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elfxx-sparc.c revision 1.7
      1  1.1  christos /* SPARC-specific support for ELF
      2  1.7  christos    Copyright (C) 2005-2020 Free Software Foundation, Inc.
      3  1.1  christos 
      4  1.1  christos    This file is part of BFD, the Binary File Descriptor library.
      5  1.1  christos 
      6  1.1  christos    This program is free software; you can redistribute it and/or modify
      7  1.1  christos    it under the terms of the GNU General Public License as published by
      8  1.1  christos    the Free Software Foundation; either version 3 of the License, or
      9  1.1  christos    (at your option) any later version.
     10  1.1  christos 
     11  1.1  christos    This program is distributed in the hope that it will be useful,
     12  1.1  christos    but WITHOUT ANY WARRANTY; without even the implied warranty of
     13  1.1  christos    MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
     14  1.1  christos    GNU General Public License for more details.
     15  1.1  christos 
     16  1.1  christos    You should have received a copy of the GNU General Public License
     17  1.1  christos    along with this program; if not, write to the Free Software
     18  1.1  christos    Foundation, Inc., 51 Franklin Street - Fifth Floor, Boston,
     19  1.1  christos    MA 02110-1301, USA.  */
     20  1.1  christos 
     21  1.1  christos 
     22  1.1  christos /* This file handles functionality common to the different SPARC ABI's.  */
     23  1.1  christos 
     24  1.1  christos #include "sysdep.h"
     25  1.1  christos #include "bfd.h"
     26  1.1  christos #include "bfdlink.h"
     27  1.1  christos #include "libbfd.h"
     28  1.1  christos #include "libiberty.h"
     29  1.1  christos #include "elf-bfd.h"
     30  1.1  christos #include "elf/sparc.h"
     31  1.1  christos #include "opcode/sparc.h"
     32  1.1  christos #include "elfxx-sparc.h"
     33  1.1  christos #include "elf-vxworks.h"
     34  1.1  christos #include "objalloc.h"
     35  1.1  christos #include "hashtab.h"
     36  1.1  christos 
     37  1.1  christos /* In case we're on a 32-bit machine, construct a 64-bit "-1" value.  */
     38  1.1  christos #define MINUS_ONE (~ (bfd_vma) 0)
     39  1.1  christos 
     40  1.1  christos #define ABI_64_P(abfd) \
     41  1.1  christos   (get_elf_backend_data (abfd)->s->elfclass == ELFCLASS64)
     42  1.1  christos 
     43  1.1  christos /* The relocation "howto" table.  */
     44  1.1  christos 
     45  1.1  christos /* Utility for performing the standard initial work of an instruction
     46  1.1  christos    relocation.
     47  1.1  christos    *PRELOCATION will contain the relocated item.
     48  1.1  christos    *PINSN will contain the instruction from the input stream.
     49  1.1  christos    If the result is `bfd_reloc_other' the caller can continue with
     50  1.1  christos    performing the relocation.  Otherwise it must stop and return the
     51  1.1  christos    value to its caller.  */
     52  1.1  christos 
     53  1.1  christos static bfd_reloc_status_type
     54  1.1  christos init_insn_reloc (bfd *abfd, arelent *reloc_entry, asymbol *symbol,
     55  1.1  christos 		 void * data, asection *input_section, bfd *output_bfd,
     56  1.1  christos 		 bfd_vma *prelocation, bfd_vma *pinsn)
     57  1.1  christos {
     58  1.1  christos   bfd_vma relocation;
     59  1.1  christos   reloc_howto_type *howto = reloc_entry->howto;
     60  1.1  christos 
     61  1.1  christos   if (output_bfd != (bfd *) NULL
     62  1.1  christos       && (symbol->flags & BSF_SECTION_SYM) == 0
     63  1.1  christos       && (! howto->partial_inplace
     64  1.1  christos 	  || reloc_entry->addend == 0))
     65  1.1  christos     {
     66  1.1  christos       reloc_entry->address += input_section->output_offset;
     67  1.1  christos       return bfd_reloc_ok;
     68  1.1  christos     }
     69  1.1  christos 
     70  1.1  christos   /* This works because partial_inplace is FALSE.  */
     71  1.1  christos   if (output_bfd != NULL)
     72  1.1  christos     return bfd_reloc_continue;
     73  1.1  christos 
     74  1.1  christos   if (reloc_entry->address > bfd_get_section_limit (abfd, input_section))
     75  1.1  christos     return bfd_reloc_outofrange;
     76  1.1  christos 
     77  1.1  christos   relocation = (symbol->value
     78  1.1  christos 		+ symbol->section->output_section->vma
     79  1.1  christos 		+ symbol->section->output_offset);
     80  1.1  christos   relocation += reloc_entry->addend;
     81  1.1  christos   if (howto->pc_relative)
     82  1.1  christos     {
     83  1.1  christos       relocation -= (input_section->output_section->vma
     84  1.1  christos 		     + input_section->output_offset);
     85  1.1  christos       relocation -= reloc_entry->address;
     86  1.1  christos     }
     87  1.1  christos 
     88  1.1  christos   *prelocation = relocation;
     89  1.1  christos   *pinsn = bfd_get_32 (abfd, (bfd_byte *) data + reloc_entry->address);
     90  1.1  christos   return bfd_reloc_other;
     91  1.1  christos }
     92  1.1  christos 
     93  1.1  christos /* For unsupported relocs.  */
     94  1.1  christos 
     95  1.1  christos static bfd_reloc_status_type
     96  1.1  christos sparc_elf_notsup_reloc (bfd *abfd ATTRIBUTE_UNUSED,
     97  1.1  christos 			arelent *reloc_entry ATTRIBUTE_UNUSED,
     98  1.1  christos 			asymbol *symbol ATTRIBUTE_UNUSED,
     99  1.1  christos 			void * data ATTRIBUTE_UNUSED,
    100  1.1  christos 			asection *input_section ATTRIBUTE_UNUSED,
    101  1.1  christos 			bfd *output_bfd ATTRIBUTE_UNUSED,
    102  1.1  christos 			char **error_message ATTRIBUTE_UNUSED)
    103  1.1  christos {
    104  1.1  christos   return bfd_reloc_notsupported;
    105  1.1  christos }
    106  1.1  christos 
    107  1.1  christos /* Handle the WDISP16 reloc.  */
    108  1.1  christos 
    109  1.1  christos static bfd_reloc_status_type
    110  1.1  christos sparc_elf_wdisp16_reloc (bfd *abfd, arelent *reloc_entry, asymbol *symbol,
    111  1.1  christos 			 void * data, asection *input_section, bfd *output_bfd,
    112  1.1  christos 			 char **error_message ATTRIBUTE_UNUSED)
    113  1.1  christos {
    114  1.1  christos   bfd_vma relocation;
    115  1.1  christos   bfd_vma insn;
    116  1.1  christos   bfd_reloc_status_type status;
    117  1.1  christos 
    118  1.1  christos   status = init_insn_reloc (abfd, reloc_entry, symbol, data,
    119  1.1  christos 			    input_section, output_bfd, &relocation, &insn);
    120  1.1  christos   if (status != bfd_reloc_other)
    121  1.1  christos     return status;
    122  1.1  christos 
    123  1.1  christos   insn &= ~ (bfd_vma) 0x303fff;
    124  1.1  christos   insn |= (((relocation >> 2) & 0xc000) << 6) | ((relocation >> 2) & 0x3fff);
    125  1.1  christos   bfd_put_32 (abfd, insn, (bfd_byte *) data + reloc_entry->address);
    126  1.1  christos 
    127  1.1  christos   if ((bfd_signed_vma) relocation < - 0x40000
    128  1.1  christos       || (bfd_signed_vma) relocation > 0x3ffff)
    129  1.1  christos     return bfd_reloc_overflow;
    130  1.1  christos   else
    131  1.1  christos     return bfd_reloc_ok;
    132  1.1  christos }
    133  1.1  christos 
    134  1.1  christos /* Handle the WDISP10 reloc.  */
    135  1.1  christos 
    136  1.1  christos static bfd_reloc_status_type
    137  1.1  christos sparc_elf_wdisp10_reloc (bfd *abfd, arelent *reloc_entry, asymbol *symbol,
    138  1.1  christos 			 void * data, asection *input_section, bfd *output_bfd,
    139  1.1  christos 			 char **error_message ATTRIBUTE_UNUSED)
    140  1.1  christos {
    141  1.1  christos   bfd_vma relocation;
    142  1.1  christos   bfd_vma insn;
    143  1.1  christos   bfd_reloc_status_type status;
    144  1.1  christos 
    145  1.1  christos   status = init_insn_reloc (abfd, reloc_entry, symbol, data,
    146  1.1  christos 			    input_section, output_bfd, &relocation, &insn);
    147  1.1  christos   if (status != bfd_reloc_other)
    148  1.1  christos     return status;
    149  1.1  christos 
    150  1.1  christos   insn &= ~ (bfd_vma) 0x181fe0;
    151  1.1  christos   insn |= (((relocation >> 2) & 0x300) << 11)
    152  1.1  christos 	  | (((relocation >> 2) & 0xff) << 5);
    153  1.1  christos   bfd_put_32 (abfd, insn, (bfd_byte *) data + reloc_entry->address);
    154  1.1  christos 
    155  1.1  christos   if ((bfd_signed_vma) relocation < - 0x1000
    156  1.1  christos       || (bfd_signed_vma) relocation > 0xfff)
    157  1.1  christos     return bfd_reloc_overflow;
    158  1.1  christos   else
    159  1.1  christos     return bfd_reloc_ok;
    160  1.1  christos }
    161  1.1  christos 
    162  1.1  christos /* Handle the HIX22 reloc.  */
    163  1.1  christos 
    164  1.1  christos static bfd_reloc_status_type
    165  1.1  christos sparc_elf_hix22_reloc (bfd *abfd, arelent *reloc_entry, asymbol *symbol,
    166  1.1  christos 		       void * data, asection *input_section, bfd *output_bfd,
    167  1.1  christos 		       char **error_message ATTRIBUTE_UNUSED)
    168  1.1  christos {
    169  1.1  christos   bfd_vma relocation;
    170  1.1  christos   bfd_vma insn;
    171  1.1  christos   bfd_reloc_status_type status;
    172  1.1  christos 
    173  1.1  christos   status = init_insn_reloc (abfd, reloc_entry, symbol, data,
    174  1.1  christos 			    input_section, output_bfd, &relocation, &insn);
    175  1.1  christos   if (status != bfd_reloc_other)
    176  1.1  christos     return status;
    177  1.1  christos 
    178  1.1  christos   relocation ^= MINUS_ONE;
    179  1.1  christos   insn = (insn &~ (bfd_vma) 0x3fffff) | ((relocation >> 10) & 0x3fffff);
    180  1.1  christos   bfd_put_32 (abfd, insn, (bfd_byte *) data + reloc_entry->address);
    181  1.1  christos 
    182  1.1  christos   if ((relocation & ~ (bfd_vma) 0xffffffff) != 0)
    183  1.1  christos     return bfd_reloc_overflow;
    184  1.1  christos   else
    185  1.1  christos     return bfd_reloc_ok;
    186  1.1  christos }
    187  1.1  christos 
    188  1.1  christos /* Handle the LOX10 reloc.  */
    189  1.1  christos 
    190  1.1  christos static bfd_reloc_status_type
    191  1.1  christos sparc_elf_lox10_reloc (bfd *abfd, arelent *reloc_entry, asymbol *symbol,
    192  1.1  christos 		       void * data, asection *input_section, bfd *output_bfd,
    193  1.1  christos 		       char **error_message ATTRIBUTE_UNUSED)
    194  1.1  christos {
    195  1.1  christos   bfd_vma relocation;
    196  1.1  christos   bfd_vma insn;
    197  1.1  christos   bfd_reloc_status_type status;
    198  1.1  christos 
    199  1.1  christos   status = init_insn_reloc (abfd, reloc_entry, symbol, data,
    200  1.1  christos 			    input_section, output_bfd, &relocation, &insn);
    201  1.1  christos   if (status != bfd_reloc_other)
    202  1.1  christos     return status;
    203  1.1  christos 
    204  1.1  christos   insn = (insn &~ (bfd_vma) 0x1fff) | 0x1c00 | (relocation & 0x3ff);
    205  1.1  christos   bfd_put_32 (abfd, insn, (bfd_byte *) data + reloc_entry->address);
    206  1.1  christos 
    207  1.1  christos   return bfd_reloc_ok;
    208  1.1  christos }
    209  1.1  christos 
    210  1.1  christos static reloc_howto_type _bfd_sparc_elf_howto_table[] =
    211  1.1  christos {
    212  1.6  christos   HOWTO(R_SPARC_NONE,	   0,3, 0,FALSE,0,complain_overflow_dont,    bfd_elf_generic_reloc,  "R_SPARC_NONE",	FALSE,0,0x00000000,TRUE),
    213  1.6  christos   HOWTO(R_SPARC_8,	   0,0, 8,FALSE,0,complain_overflow_bitfield,bfd_elf_generic_reloc,  "R_SPARC_8",	FALSE,0,0x000000ff,TRUE),
    214  1.6  christos   HOWTO(R_SPARC_16,	   0,1,16,FALSE,0,complain_overflow_bitfield,bfd_elf_generic_reloc,  "R_SPARC_16",	FALSE,0,0x0000ffff,TRUE),
    215  1.6  christos   HOWTO(R_SPARC_32,	   0,2,32,FALSE,0,complain_overflow_bitfield,bfd_elf_generic_reloc,  "R_SPARC_32",	FALSE,0,0xffffffff,TRUE),
    216  1.6  christos   HOWTO(R_SPARC_DISP8,	   0,0, 8,TRUE, 0,complain_overflow_signed,  bfd_elf_generic_reloc,  "R_SPARC_DISP8",	FALSE,0,0x000000ff,TRUE),
    217  1.6  christos   HOWTO(R_SPARC_DISP16,	   0,1,16,TRUE, 0,complain_overflow_signed,  bfd_elf_generic_reloc,  "R_SPARC_DISP16",	FALSE,0,0x0000ffff,TRUE),
    218  1.6  christos   HOWTO(R_SPARC_DISP32,	   0,2,32,TRUE, 0,complain_overflow_signed,  bfd_elf_generic_reloc,  "R_SPARC_DISP32",	FALSE,0,0xffffffff,TRUE),
    219  1.1  christos   HOWTO(R_SPARC_WDISP30,   2,2,30,TRUE, 0,complain_overflow_signed,  bfd_elf_generic_reloc,  "R_SPARC_WDISP30", FALSE,0,0x3fffffff,TRUE),
    220  1.1  christos   HOWTO(R_SPARC_WDISP22,   2,2,22,TRUE, 0,complain_overflow_signed,  bfd_elf_generic_reloc,  "R_SPARC_WDISP22", FALSE,0,0x003fffff,TRUE),
    221  1.6  christos   HOWTO(R_SPARC_HI22,	  10,2,22,FALSE,0,complain_overflow_dont,    bfd_elf_generic_reloc,  "R_SPARC_HI22",	FALSE,0,0x003fffff,TRUE),
    222  1.6  christos   HOWTO(R_SPARC_22,	   0,2,22,FALSE,0,complain_overflow_bitfield,bfd_elf_generic_reloc,  "R_SPARC_22",	FALSE,0,0x003fffff,TRUE),
    223  1.6  christos   HOWTO(R_SPARC_13,	   0,2,13,FALSE,0,complain_overflow_bitfield,bfd_elf_generic_reloc,  "R_SPARC_13",	FALSE,0,0x00001fff,TRUE),
    224  1.6  christos   HOWTO(R_SPARC_LO10,	   0,2,10,FALSE,0,complain_overflow_dont,    bfd_elf_generic_reloc,  "R_SPARC_LO10",	FALSE,0,0x000003ff,TRUE),
    225  1.6  christos   HOWTO(R_SPARC_GOT10,	   0,2,10,FALSE,0,complain_overflow_dont,    bfd_elf_generic_reloc,  "R_SPARC_GOT10",	FALSE,0,0x000003ff,TRUE),
    226  1.6  christos   HOWTO(R_SPARC_GOT13,	   0,2,13,FALSE,0,complain_overflow_signed,  bfd_elf_generic_reloc,  "R_SPARC_GOT13",	FALSE,0,0x00001fff,TRUE),
    227  1.6  christos   HOWTO(R_SPARC_GOT22,	  10,2,22,FALSE,0,complain_overflow_dont,    bfd_elf_generic_reloc,  "R_SPARC_GOT22",	FALSE,0,0x003fffff,TRUE),
    228  1.6  christos   HOWTO(R_SPARC_PC10,	   0,2,10,TRUE, 0,complain_overflow_dont,    bfd_elf_generic_reloc,  "R_SPARC_PC10",	FALSE,0,0x000003ff,TRUE),
    229  1.6  christos   HOWTO(R_SPARC_PC22,	  10,2,22,TRUE, 0,complain_overflow_bitfield,bfd_elf_generic_reloc,  "R_SPARC_PC22",	FALSE,0,0x003fffff,TRUE),
    230  1.6  christos   HOWTO(R_SPARC_WPLT30,	   2,2,30,TRUE, 0,complain_overflow_signed,  bfd_elf_generic_reloc,  "R_SPARC_WPLT30",	FALSE,0,0x3fffffff,TRUE),
    231  1.6  christos   HOWTO(R_SPARC_COPY,	   0,0,00,FALSE,0,complain_overflow_dont,    bfd_elf_generic_reloc,  "R_SPARC_COPY",	FALSE,0,0x00000000,TRUE),
    232  1.1  christos   HOWTO(R_SPARC_GLOB_DAT,  0,0,00,FALSE,0,complain_overflow_dont,    bfd_elf_generic_reloc,  "R_SPARC_GLOB_DAT",FALSE,0,0x00000000,TRUE),
    233  1.1  christos   HOWTO(R_SPARC_JMP_SLOT,  0,0,00,FALSE,0,complain_overflow_dont,    bfd_elf_generic_reloc,  "R_SPARC_JMP_SLOT",FALSE,0,0x00000000,TRUE),
    234  1.1  christos   HOWTO(R_SPARC_RELATIVE,  0,0,00,FALSE,0,complain_overflow_dont,    bfd_elf_generic_reloc,  "R_SPARC_RELATIVE",FALSE,0,0x00000000,TRUE),
    235  1.6  christos   HOWTO(R_SPARC_UA32,	   0,2,32,FALSE,0,complain_overflow_bitfield,bfd_elf_generic_reloc,  "R_SPARC_UA32",	FALSE,0,0xffffffff,TRUE),
    236  1.6  christos   HOWTO(R_SPARC_PLT32,	   0,2,32,FALSE,0,complain_overflow_bitfield,bfd_elf_generic_reloc,  "R_SPARC_PLT32",	FALSE,0,0xffffffff,TRUE),
    237  1.6  christos   HOWTO(R_SPARC_HIPLT22,   0,0,00,FALSE,0,complain_overflow_dont,    sparc_elf_notsup_reloc, "R_SPARC_HIPLT22",	 FALSE,0,0x00000000,TRUE),
    238  1.6  christos   HOWTO(R_SPARC_LOPLT10,   0,0,00,FALSE,0,complain_overflow_dont,    sparc_elf_notsup_reloc, "R_SPARC_LOPLT10",	 FALSE,0,0x00000000,TRUE),
    239  1.6  christos   HOWTO(R_SPARC_PCPLT32,   0,0,00,FALSE,0,complain_overflow_dont,    sparc_elf_notsup_reloc, "R_SPARC_PCPLT32",	 FALSE,0,0x00000000,TRUE),
    240  1.6  christos   HOWTO(R_SPARC_PCPLT22,   0,0,00,FALSE,0,complain_overflow_dont,    sparc_elf_notsup_reloc, "R_SPARC_PCPLT22",	 FALSE,0,0x00000000,TRUE),
    241  1.6  christos   HOWTO(R_SPARC_PCPLT10,   0,0,00,FALSE,0,complain_overflow_dont,    sparc_elf_notsup_reloc, "R_SPARC_PCPLT10",	 FALSE,0,0x00000000,TRUE),
    242  1.6  christos   HOWTO(R_SPARC_10,	   0,2,10,FALSE,0,complain_overflow_bitfield,bfd_elf_generic_reloc,  "R_SPARC_10",	FALSE,0,0x000003ff,TRUE),
    243  1.6  christos   HOWTO(R_SPARC_11,	   0,2,11,FALSE,0,complain_overflow_bitfield,bfd_elf_generic_reloc,  "R_SPARC_11",	FALSE,0,0x000007ff,TRUE),
    244  1.6  christos   HOWTO(R_SPARC_64,	   0,4,64,FALSE,0,complain_overflow_bitfield,bfd_elf_generic_reloc,  "R_SPARC_64",	FALSE,0,MINUS_ONE, TRUE),
    245  1.6  christos   HOWTO(R_SPARC_OLO10,	   0,2,13,FALSE,0,complain_overflow_signed,  sparc_elf_notsup_reloc, "R_SPARC_OLO10",	FALSE,0,0x00001fff,TRUE),
    246  1.6  christos   HOWTO(R_SPARC_HH22,	  42,2,22,FALSE,0,complain_overflow_unsigned,bfd_elf_generic_reloc,  "R_SPARC_HH22",	FALSE,0,0x003fffff,TRUE),
    247  1.6  christos   HOWTO(R_SPARC_HM10,	  32,2,10,FALSE,0,complain_overflow_dont,    bfd_elf_generic_reloc,  "R_SPARC_HM10",	FALSE,0,0x000003ff,TRUE),
    248  1.6  christos   HOWTO(R_SPARC_LM22,	  10,2,22,FALSE,0,complain_overflow_dont,    bfd_elf_generic_reloc,  "R_SPARC_LM22",	FALSE,0,0x003fffff,TRUE),
    249  1.6  christos   HOWTO(R_SPARC_PC_HH22,  42,2,22,TRUE, 0,complain_overflow_unsigned,bfd_elf_generic_reloc,  "R_SPARC_PC_HH22",	   FALSE,0,0x003fffff,TRUE),
    250  1.6  christos   HOWTO(R_SPARC_PC_HM10,  32,2,10,TRUE, 0,complain_overflow_dont,    bfd_elf_generic_reloc,  "R_SPARC_PC_HM10",	   FALSE,0,0x000003ff,TRUE),
    251  1.6  christos   HOWTO(R_SPARC_PC_LM22,  10,2,22,TRUE, 0,complain_overflow_dont,    bfd_elf_generic_reloc,  "R_SPARC_PC_LM22",	   FALSE,0,0x003fffff,TRUE),
    252  1.1  christos   HOWTO(R_SPARC_WDISP16,   2,2,16,TRUE, 0,complain_overflow_signed,  sparc_elf_wdisp16_reloc,"R_SPARC_WDISP16", FALSE,0,0x00000000,TRUE),
    253  1.1  christos   HOWTO(R_SPARC_WDISP19,   2,2,19,TRUE, 0,complain_overflow_signed,  bfd_elf_generic_reloc,  "R_SPARC_WDISP19", FALSE,0,0x0007ffff,TRUE),
    254  1.1  christos   HOWTO(R_SPARC_UNUSED_42, 0,0, 0,FALSE,0,complain_overflow_dont,    bfd_elf_generic_reloc,  "R_SPARC_UNUSED_42",FALSE,0,0x00000000,TRUE),
    255  1.6  christos   HOWTO(R_SPARC_7,	   0,2, 7,FALSE,0,complain_overflow_bitfield,bfd_elf_generic_reloc,  "R_SPARC_7",	FALSE,0,0x0000007f,TRUE),
    256  1.6  christos   HOWTO(R_SPARC_5,	   0,2, 5,FALSE,0,complain_overflow_bitfield,bfd_elf_generic_reloc,  "R_SPARC_5",	FALSE,0,0x0000001f,TRUE),
    257  1.6  christos   HOWTO(R_SPARC_6,	   0,2, 6,FALSE,0,complain_overflow_bitfield,bfd_elf_generic_reloc,  "R_SPARC_6",	FALSE,0,0x0000003f,TRUE),
    258  1.6  christos   HOWTO(R_SPARC_DISP64,	   0,4,64,TRUE, 0,complain_overflow_signed,  bfd_elf_generic_reloc,  "R_SPARC_DISP64",	FALSE,0,MINUS_ONE, TRUE),
    259  1.6  christos   HOWTO(R_SPARC_PLT64,	   0,4,64,FALSE,0,complain_overflow_bitfield,bfd_elf_generic_reloc,  "R_SPARC_PLT64",	FALSE,0,MINUS_ONE, TRUE),
    260  1.6  christos   HOWTO(R_SPARC_HIX22,	   0,4, 0,FALSE,0,complain_overflow_bitfield,sparc_elf_hix22_reloc,  "R_SPARC_HIX22",	FALSE,0,MINUS_ONE, FALSE),
    261  1.6  christos   HOWTO(R_SPARC_LOX10,	   0,4, 0,FALSE,0,complain_overflow_dont,    sparc_elf_lox10_reloc,  "R_SPARC_LOX10",	FALSE,0,MINUS_ONE, FALSE),
    262  1.6  christos   HOWTO(R_SPARC_H44,	  22,2,22,FALSE,0,complain_overflow_unsigned,bfd_elf_generic_reloc,  "R_SPARC_H44",	FALSE,0,0x003fffff,FALSE),
    263  1.6  christos   HOWTO(R_SPARC_M44,	  12,2,10,FALSE,0,complain_overflow_dont,    bfd_elf_generic_reloc,  "R_SPARC_M44",	FALSE,0,0x000003ff,FALSE),
    264  1.6  christos   HOWTO(R_SPARC_L44,	   0,2,13,FALSE,0,complain_overflow_dont,    bfd_elf_generic_reloc,  "R_SPARC_L44",	FALSE,0,0x00000fff,FALSE),
    265  1.1  christos   HOWTO(R_SPARC_REGISTER,  0,4, 0,FALSE,0,complain_overflow_bitfield,sparc_elf_notsup_reloc, "R_SPARC_REGISTER",FALSE,0,MINUS_ONE, FALSE),
    266  1.6  christos   HOWTO(R_SPARC_UA64,	     0,4,64,FALSE,0,complain_overflow_bitfield,bfd_elf_generic_reloc,  "R_SPARC_UA64",	    FALSE,0,MINUS_ONE, TRUE),
    267  1.6  christos   HOWTO(R_SPARC_UA16,	     0,1,16,FALSE,0,complain_overflow_bitfield,bfd_elf_generic_reloc,  "R_SPARC_UA16",	    FALSE,0,0x0000ffff,TRUE),
    268  1.1  christos   HOWTO(R_SPARC_TLS_GD_HI22,10,2,22,FALSE,0,complain_overflow_dont,  bfd_elf_generic_reloc,  "R_SPARC_TLS_GD_HI22",FALSE,0,0x003fffff,TRUE),
    269  1.1  christos   HOWTO(R_SPARC_TLS_GD_LO10,0,2,10,FALSE,0,complain_overflow_dont,   bfd_elf_generic_reloc,  "R_SPARC_TLS_GD_LO10",FALSE,0,0x000003ff,TRUE),
    270  1.1  christos   HOWTO(R_SPARC_TLS_GD_ADD,0,0, 0,FALSE,0,complain_overflow_dont,    bfd_elf_generic_reloc,  "R_SPARC_TLS_GD_ADD",FALSE,0,0x00000000,TRUE),
    271  1.1  christos   HOWTO(R_SPARC_TLS_GD_CALL,2,2,30,TRUE,0,complain_overflow_signed,  bfd_elf_generic_reloc,  "R_SPARC_TLS_GD_CALL",FALSE,0,0x3fffffff,TRUE),
    272  1.1  christos   HOWTO(R_SPARC_TLS_LDM_HI22,10,2,22,FALSE,0,complain_overflow_dont, bfd_elf_generic_reloc,  "R_SPARC_TLS_LDM_HI22",FALSE,0,0x003fffff,TRUE),
    273  1.1  christos   HOWTO(R_SPARC_TLS_LDM_LO10,0,2,10,FALSE,0,complain_overflow_dont,  bfd_elf_generic_reloc,  "R_SPARC_TLS_LDM_LO10",FALSE,0,0x000003ff,TRUE),
    274  1.1  christos   HOWTO(R_SPARC_TLS_LDM_ADD,0,0, 0,FALSE,0,complain_overflow_dont,   bfd_elf_generic_reloc,  "R_SPARC_TLS_LDM_ADD",FALSE,0,0x00000000,TRUE),
    275  1.1  christos   HOWTO(R_SPARC_TLS_LDM_CALL,2,2,30,TRUE,0,complain_overflow_signed, bfd_elf_generic_reloc,  "R_SPARC_TLS_LDM_CALL",FALSE,0,0x3fffffff,TRUE),
    276  1.1  christos   HOWTO(R_SPARC_TLS_LDO_HIX22,0,2,0,FALSE,0,complain_overflow_bitfield,sparc_elf_hix22_reloc,"R_SPARC_TLS_LDO_HIX22",FALSE,0,0x003fffff, FALSE),
    277  1.1  christos   HOWTO(R_SPARC_TLS_LDO_LOX10,0,2,0,FALSE,0,complain_overflow_dont,  sparc_elf_lox10_reloc,  "R_SPARC_TLS_LDO_LOX10",FALSE,0,0x000003ff, FALSE),
    278  1.1  christos   HOWTO(R_SPARC_TLS_LDO_ADD,0,0, 0,FALSE,0,complain_overflow_dont,   bfd_elf_generic_reloc,  "R_SPARC_TLS_LDO_ADD",FALSE,0,0x00000000,TRUE),
    279  1.1  christos   HOWTO(R_SPARC_TLS_IE_HI22,10,2,22,FALSE,0,complain_overflow_dont,  bfd_elf_generic_reloc,  "R_SPARC_TLS_IE_HI22",FALSE,0,0x003fffff,TRUE),
    280  1.1  christos   HOWTO(R_SPARC_TLS_IE_LO10,0,2,10,FALSE,0,complain_overflow_dont,   bfd_elf_generic_reloc,  "R_SPARC_TLS_IE_LO10",FALSE,0,0x000003ff,TRUE),
    281  1.1  christos   HOWTO(R_SPARC_TLS_IE_LD,0,0, 0,FALSE,0,complain_overflow_dont,     bfd_elf_generic_reloc,  "R_SPARC_TLS_IE_LD",FALSE,0,0x00000000,TRUE),
    282  1.1  christos   HOWTO(R_SPARC_TLS_IE_LDX,0,0, 0,FALSE,0,complain_overflow_dont,    bfd_elf_generic_reloc,  "R_SPARC_TLS_IE_LDX",FALSE,0,0x00000000,TRUE),
    283  1.1  christos   HOWTO(R_SPARC_TLS_IE_ADD,0,0, 0,FALSE,0,complain_overflow_dont,    bfd_elf_generic_reloc,  "R_SPARC_TLS_IE_ADD",FALSE,0,0x00000000,TRUE),
    284  1.1  christos   HOWTO(R_SPARC_TLS_LE_HIX22,0,2,0,FALSE,0,complain_overflow_bitfield,sparc_elf_hix22_reloc, "R_SPARC_TLS_LE_HIX22",FALSE,0,0x003fffff, FALSE),
    285  1.1  christos   HOWTO(R_SPARC_TLS_LE_LOX10,0,2,0,FALSE,0,complain_overflow_dont,   sparc_elf_lox10_reloc,  "R_SPARC_TLS_LE_LOX10",FALSE,0,0x000003ff, FALSE),
    286  1.1  christos   HOWTO(R_SPARC_TLS_DTPMOD32,0,0, 0,FALSE,0,complain_overflow_dont,  bfd_elf_generic_reloc,  "R_SPARC_TLS_DTPMOD32",FALSE,0,0x00000000,TRUE),
    287  1.1  christos   HOWTO(R_SPARC_TLS_DTPMOD64,0,0, 0,FALSE,0,complain_overflow_dont,  bfd_elf_generic_reloc,  "R_SPARC_TLS_DTPMOD64",FALSE,0,0x00000000,TRUE),
    288  1.1  christos   HOWTO(R_SPARC_TLS_DTPOFF32,0,2,32,FALSE,0,complain_overflow_bitfield,bfd_elf_generic_reloc,"R_SPARC_TLS_DTPOFF32",FALSE,0,0xffffffff,TRUE),
    289  1.1  christos   HOWTO(R_SPARC_TLS_DTPOFF64,0,4,64,FALSE,0,complain_overflow_bitfield,bfd_elf_generic_reloc,"R_SPARC_TLS_DTPOFF64",FALSE,0,MINUS_ONE,TRUE),
    290  1.1  christos   HOWTO(R_SPARC_TLS_TPOFF32,0,0, 0,FALSE,0,complain_overflow_dont,   bfd_elf_generic_reloc,  "R_SPARC_TLS_TPOFF32",FALSE,0,0x00000000,TRUE),
    291  1.1  christos   HOWTO(R_SPARC_TLS_TPOFF64,0,0, 0,FALSE,0,complain_overflow_dont,   bfd_elf_generic_reloc,  "R_SPARC_TLS_TPOFF64",FALSE,0,0x00000000,TRUE),
    292  1.1  christos   HOWTO(R_SPARC_GOTDATA_HIX22,0,2,0,FALSE,0,complain_overflow_bitfield,sparc_elf_hix22_reloc,"R_SPARC_GOTDATA_HIX22",FALSE,0,0x003fffff, FALSE),
    293  1.1  christos   HOWTO(R_SPARC_GOTDATA_LOX10,0,2,0,FALSE,0,complain_overflow_dont,  sparc_elf_lox10_reloc,  "R_SPARC_GOTDATA_LOX10",FALSE,0,0x000003ff, FALSE),
    294  1.1  christos   HOWTO(R_SPARC_GOTDATA_OP_HIX22,0,2,0,FALSE,0,complain_overflow_bitfield,sparc_elf_hix22_reloc,"R_SPARC_GOTDATA_OP_HIX22",FALSE,0,0x003fffff, FALSE),
    295  1.6  christos   HOWTO(R_SPARC_GOTDATA_OP_LOX10,0,2,0,FALSE,0,complain_overflow_dont,	sparc_elf_lox10_reloc,	"R_SPARC_GOTDATA_OP_LOX10",FALSE,0,0x000003ff, FALSE),
    296  1.1  christos   HOWTO(R_SPARC_GOTDATA_OP,0,0, 0,FALSE,0,complain_overflow_dont,   bfd_elf_generic_reloc,  "R_SPARC_GOTDATA_OP",FALSE,0,0x00000000,TRUE),
    297  1.1  christos   HOWTO(R_SPARC_H34,12,2,22,FALSE,0,complain_overflow_unsigned,bfd_elf_generic_reloc,"R_SPARC_H34",FALSE,0,0x003fffff,FALSE),
    298  1.1  christos   HOWTO(R_SPARC_SIZE32,0,2,32,FALSE,0,complain_overflow_bitfield,bfd_elf_generic_reloc,"R_SPARC_SIZE32",FALSE,0,0xffffffff,TRUE),
    299  1.1  christos   HOWTO(R_SPARC_SIZE64,0,4,64,FALSE,0,complain_overflow_bitfield,bfd_elf_generic_reloc,"R_SPARC_SIZE64",FALSE,0,MINUS_ONE, TRUE),
    300  1.1  christos   HOWTO(R_SPARC_WDISP10,2,2,10,TRUE, 0,complain_overflow_signed,sparc_elf_wdisp10_reloc,"R_SPARC_WDISP10",FALSE,0,0x00000000,TRUE),
    301  1.1  christos };
    302  1.1  christos static reloc_howto_type sparc_jmp_irel_howto =
    303  1.1  christos   HOWTO(R_SPARC_JMP_IREL,  0,0,00,FALSE,0,complain_overflow_dont,    bfd_elf_generic_reloc,  "R_SPARC_JMP_IREL",FALSE,0,0x00000000,TRUE);
    304  1.1  christos static reloc_howto_type sparc_irelative_howto =
    305  1.1  christos   HOWTO(R_SPARC_IRELATIVE,  0,0,00,FALSE,0,complain_overflow_dont,    bfd_elf_generic_reloc,  "R_SPARC_IRELATIVE",FALSE,0,0x00000000,TRUE);
    306  1.1  christos static reloc_howto_type sparc_vtinherit_howto =
    307  1.1  christos   HOWTO (R_SPARC_GNU_VTINHERIT, 0,2,0,FALSE,0,complain_overflow_dont, NULL, "R_SPARC_GNU_VTINHERIT", FALSE,0, 0, FALSE);
    308  1.1  christos static reloc_howto_type sparc_vtentry_howto =
    309  1.1  christos   HOWTO (R_SPARC_GNU_VTENTRY, 0,2,0,FALSE,0,complain_overflow_dont, _bfd_elf_rel_vtable_reloc_fn,"R_SPARC_GNU_VTENTRY", FALSE,0,0, FALSE);
    310  1.1  christos static reloc_howto_type sparc_rev32_howto =
    311  1.1  christos   HOWTO(R_SPARC_REV32, 0,2,32,FALSE,0,complain_overflow_bitfield,bfd_elf_generic_reloc, "R_SPARC_REV32", FALSE,0,0xffffffff,TRUE);
    312  1.1  christos 
    313  1.1  christos reloc_howto_type *
    314  1.6  christos _bfd_sparc_elf_reloc_type_lookup (bfd *abfd,
    315  1.1  christos 				  bfd_reloc_code_real_type code)
    316  1.1  christos {
    317  1.1  christos   /* We explicitly handle each relocation type in the switch
    318  1.1  christos      instead of using a lookup table for efficiency.  */
    319  1.1  christos   switch (code)
    320  1.1  christos     {
    321  1.1  christos     case BFD_RELOC_NONE:
    322  1.1  christos       return &_bfd_sparc_elf_howto_table[R_SPARC_NONE];
    323  1.1  christos 
    324  1.1  christos     case BFD_RELOC_8:
    325  1.1  christos       return &_bfd_sparc_elf_howto_table[R_SPARC_8];
    326  1.1  christos 
    327  1.1  christos     case BFD_RELOC_16:
    328  1.1  christos       return &_bfd_sparc_elf_howto_table[R_SPARC_16];
    329  1.1  christos 
    330  1.1  christos     case BFD_RELOC_32:
    331  1.1  christos       return &_bfd_sparc_elf_howto_table[R_SPARC_32];
    332  1.1  christos 
    333  1.1  christos     case BFD_RELOC_8_PCREL:
    334  1.1  christos       return &_bfd_sparc_elf_howto_table[R_SPARC_DISP8];
    335  1.1  christos 
    336  1.1  christos     case BFD_RELOC_16_PCREL:
    337  1.1  christos       return &_bfd_sparc_elf_howto_table[R_SPARC_DISP16];
    338  1.1  christos 
    339  1.1  christos     case BFD_RELOC_32_PCREL:
    340  1.1  christos       return &_bfd_sparc_elf_howto_table[R_SPARC_DISP32];
    341  1.1  christos 
    342  1.1  christos     case BFD_RELOC_32_PCREL_S2:
    343  1.1  christos       return &_bfd_sparc_elf_howto_table[R_SPARC_WDISP30];
    344  1.1  christos 
    345  1.1  christos     case BFD_RELOC_SPARC_WDISP22:
    346  1.1  christos       return &_bfd_sparc_elf_howto_table[R_SPARC_WDISP22];
    347  1.1  christos 
    348  1.1  christos     case BFD_RELOC_HI22:
    349  1.1  christos       return &_bfd_sparc_elf_howto_table[R_SPARC_HI22];
    350  1.1  christos 
    351  1.1  christos     case BFD_RELOC_SPARC22:
    352  1.1  christos       return &_bfd_sparc_elf_howto_table[R_SPARC_22];
    353  1.1  christos 
    354  1.1  christos     case BFD_RELOC_SPARC13:
    355  1.1  christos       return &_bfd_sparc_elf_howto_table[R_SPARC_13];
    356  1.1  christos 
    357  1.1  christos     case BFD_RELOC_LO10:
    358  1.1  christos       return &_bfd_sparc_elf_howto_table[R_SPARC_LO10];
    359  1.1  christos 
    360  1.1  christos     case BFD_RELOC_SPARC_GOT10:
    361  1.1  christos       return &_bfd_sparc_elf_howto_table[R_SPARC_GOT10];
    362  1.1  christos 
    363  1.1  christos     case BFD_RELOC_SPARC_GOT13:
    364  1.1  christos       return &_bfd_sparc_elf_howto_table[R_SPARC_GOT13];
    365  1.1  christos 
    366  1.1  christos     case BFD_RELOC_SPARC_GOT22:
    367  1.1  christos       return &_bfd_sparc_elf_howto_table[R_SPARC_GOT22];
    368  1.1  christos 
    369  1.1  christos     case BFD_RELOC_SPARC_PC10:
    370  1.1  christos       return &_bfd_sparc_elf_howto_table[R_SPARC_PC10];
    371  1.1  christos 
    372  1.1  christos     case BFD_RELOC_SPARC_PC22:
    373  1.1  christos       return &_bfd_sparc_elf_howto_table[R_SPARC_PC22];
    374  1.1  christos 
    375  1.1  christos     case BFD_RELOC_SPARC_WPLT30:
    376  1.1  christos       return &_bfd_sparc_elf_howto_table[R_SPARC_WPLT30];
    377  1.1  christos 
    378  1.1  christos     case BFD_RELOC_SPARC_COPY:
    379  1.1  christos       return &_bfd_sparc_elf_howto_table[R_SPARC_COPY];
    380  1.1  christos 
    381  1.1  christos     case BFD_RELOC_SPARC_GLOB_DAT:
    382  1.1  christos       return &_bfd_sparc_elf_howto_table[R_SPARC_GLOB_DAT];
    383  1.1  christos 
    384  1.1  christos     case BFD_RELOC_SPARC_JMP_SLOT:
    385  1.1  christos       return &_bfd_sparc_elf_howto_table[R_SPARC_JMP_SLOT];
    386  1.1  christos 
    387  1.1  christos     case BFD_RELOC_SPARC_RELATIVE:
    388  1.1  christos       return &_bfd_sparc_elf_howto_table[R_SPARC_RELATIVE];
    389  1.1  christos 
    390  1.1  christos     case BFD_RELOC_SPARC_UA32:
    391  1.1  christos       return &_bfd_sparc_elf_howto_table[R_SPARC_UA32];
    392  1.1  christos 
    393  1.1  christos     case BFD_RELOC_SPARC_PLT32:
    394  1.1  christos       return &_bfd_sparc_elf_howto_table[R_SPARC_PLT32];
    395  1.1  christos 
    396  1.1  christos     case BFD_RELOC_SPARC_10:
    397  1.1  christos       return &_bfd_sparc_elf_howto_table[R_SPARC_10];
    398  1.1  christos 
    399  1.1  christos     case BFD_RELOC_SPARC_11:
    400  1.1  christos       return &_bfd_sparc_elf_howto_table[R_SPARC_11];
    401  1.1  christos 
    402  1.1  christos     case BFD_RELOC_SPARC_64:
    403  1.1  christos       return &_bfd_sparc_elf_howto_table[R_SPARC_64];
    404  1.1  christos 
    405  1.1  christos     case BFD_RELOC_SPARC_OLO10:
    406  1.1  christos       return &_bfd_sparc_elf_howto_table[R_SPARC_OLO10];
    407  1.1  christos 
    408  1.1  christos     case BFD_RELOC_SPARC_HH22:
    409  1.1  christos       return &_bfd_sparc_elf_howto_table[R_SPARC_HH22];
    410  1.1  christos 
    411  1.1  christos     case BFD_RELOC_SPARC_HM10:
    412  1.1  christos       return &_bfd_sparc_elf_howto_table[R_SPARC_HM10];
    413  1.1  christos 
    414  1.1  christos     case BFD_RELOC_SPARC_LM22:
    415  1.1  christos       return &_bfd_sparc_elf_howto_table[R_SPARC_LM22];
    416  1.1  christos 
    417  1.1  christos     case BFD_RELOC_SPARC_PC_HH22:
    418  1.1  christos       return &_bfd_sparc_elf_howto_table[R_SPARC_PC_HH22];
    419  1.1  christos 
    420  1.1  christos     case BFD_RELOC_SPARC_PC_HM10:
    421  1.1  christos       return &_bfd_sparc_elf_howto_table[R_SPARC_PC_HM10];
    422  1.1  christos 
    423  1.1  christos     case BFD_RELOC_SPARC_PC_LM22:
    424  1.1  christos       return &_bfd_sparc_elf_howto_table[R_SPARC_PC_LM22];
    425  1.1  christos 
    426  1.1  christos     case BFD_RELOC_SPARC_WDISP16:
    427  1.1  christos       return &_bfd_sparc_elf_howto_table[R_SPARC_WDISP16];
    428  1.1  christos 
    429  1.1  christos     case BFD_RELOC_SPARC_WDISP19:
    430  1.1  christos       return &_bfd_sparc_elf_howto_table[R_SPARC_WDISP19];
    431  1.1  christos 
    432  1.1  christos     case BFD_RELOC_SPARC_7:
    433  1.1  christos       return &_bfd_sparc_elf_howto_table[R_SPARC_7];
    434  1.1  christos 
    435  1.1  christos     case BFD_RELOC_SPARC_5:
    436  1.1  christos       return &_bfd_sparc_elf_howto_table[R_SPARC_5];
    437  1.1  christos 
    438  1.1  christos     case BFD_RELOC_SPARC_6:
    439  1.1  christos       return &_bfd_sparc_elf_howto_table[R_SPARC_6];
    440  1.1  christos 
    441  1.1  christos     case BFD_RELOC_SPARC_DISP64:
    442  1.1  christos       return &_bfd_sparc_elf_howto_table[R_SPARC_DISP64];
    443  1.1  christos 
    444  1.1  christos     case BFD_RELOC_SPARC_PLT64:
    445  1.1  christos       return &_bfd_sparc_elf_howto_table[R_SPARC_PLT64];
    446  1.1  christos 
    447  1.1  christos     case BFD_RELOC_SPARC_HIX22:
    448  1.1  christos       return &_bfd_sparc_elf_howto_table[R_SPARC_HIX22];
    449  1.1  christos 
    450  1.1  christos     case BFD_RELOC_SPARC_LOX10:
    451  1.1  christos       return &_bfd_sparc_elf_howto_table[R_SPARC_LOX10];
    452  1.1  christos 
    453  1.1  christos     case BFD_RELOC_SPARC_H44:
    454  1.1  christos       return &_bfd_sparc_elf_howto_table[R_SPARC_H44];
    455  1.1  christos 
    456  1.1  christos     case BFD_RELOC_SPARC_M44:
    457  1.1  christos       return &_bfd_sparc_elf_howto_table[R_SPARC_M44];
    458  1.1  christos 
    459  1.1  christos     case BFD_RELOC_SPARC_L44:
    460  1.1  christos       return &_bfd_sparc_elf_howto_table[R_SPARC_L44];
    461  1.1  christos 
    462  1.1  christos     case BFD_RELOC_SPARC_REGISTER:
    463  1.1  christos       return &_bfd_sparc_elf_howto_table[R_SPARC_REGISTER];
    464  1.1  christos 
    465  1.1  christos     case BFD_RELOC_SPARC_UA64:
    466  1.1  christos       return &_bfd_sparc_elf_howto_table[R_SPARC_UA64];
    467  1.1  christos 
    468  1.1  christos     case BFD_RELOC_SPARC_UA16:
    469  1.1  christos       return &_bfd_sparc_elf_howto_table[R_SPARC_UA16];
    470  1.1  christos 
    471  1.1  christos     case BFD_RELOC_SPARC_TLS_GD_HI22:
    472  1.1  christos       return &_bfd_sparc_elf_howto_table[R_SPARC_TLS_GD_HI22];
    473  1.1  christos 
    474  1.1  christos     case BFD_RELOC_SPARC_TLS_GD_LO10:
    475  1.1  christos       return &_bfd_sparc_elf_howto_table[R_SPARC_TLS_GD_LO10];
    476  1.1  christos 
    477  1.1  christos     case BFD_RELOC_SPARC_TLS_GD_ADD:
    478  1.1  christos       return &_bfd_sparc_elf_howto_table[R_SPARC_TLS_GD_ADD];
    479  1.1  christos 
    480  1.1  christos     case BFD_RELOC_SPARC_TLS_GD_CALL:
    481  1.1  christos       return &_bfd_sparc_elf_howto_table[R_SPARC_TLS_GD_CALL];
    482  1.1  christos 
    483  1.1  christos     case BFD_RELOC_SPARC_TLS_LDM_HI22:
    484  1.1  christos       return &_bfd_sparc_elf_howto_table[R_SPARC_TLS_LDM_HI22];
    485  1.1  christos 
    486  1.1  christos     case BFD_RELOC_SPARC_TLS_LDM_LO10:
    487  1.1  christos       return &_bfd_sparc_elf_howto_table[R_SPARC_TLS_LDM_LO10];
    488  1.1  christos 
    489  1.1  christos     case BFD_RELOC_SPARC_TLS_LDM_ADD:
    490  1.1  christos       return &_bfd_sparc_elf_howto_table[R_SPARC_TLS_LDM_ADD];
    491  1.1  christos 
    492  1.1  christos     case BFD_RELOC_SPARC_TLS_LDM_CALL:
    493  1.1  christos       return &_bfd_sparc_elf_howto_table[R_SPARC_TLS_LDM_CALL];
    494  1.1  christos 
    495  1.1  christos     case BFD_RELOC_SPARC_TLS_LDO_HIX22:
    496  1.1  christos       return &_bfd_sparc_elf_howto_table[R_SPARC_TLS_LDO_HIX22];
    497  1.1  christos 
    498  1.1  christos     case BFD_RELOC_SPARC_TLS_LDO_LOX10:
    499  1.1  christos       return &_bfd_sparc_elf_howto_table[R_SPARC_TLS_LDO_LOX10];
    500  1.1  christos 
    501  1.1  christos     case BFD_RELOC_SPARC_TLS_LDO_ADD:
    502  1.1  christos       return &_bfd_sparc_elf_howto_table[R_SPARC_TLS_LDO_ADD];
    503  1.1  christos 
    504  1.1  christos     case BFD_RELOC_SPARC_TLS_IE_HI22:
    505  1.1  christos       return &_bfd_sparc_elf_howto_table[R_SPARC_TLS_IE_HI22];
    506  1.1  christos 
    507  1.1  christos     case BFD_RELOC_SPARC_TLS_IE_LO10:
    508  1.1  christos       return &_bfd_sparc_elf_howto_table[R_SPARC_TLS_IE_LO10];
    509  1.1  christos 
    510  1.1  christos     case BFD_RELOC_SPARC_TLS_IE_LD:
    511  1.1  christos       return &_bfd_sparc_elf_howto_table[R_SPARC_TLS_IE_LD];
    512  1.1  christos 
    513  1.1  christos     case BFD_RELOC_SPARC_TLS_IE_LDX:
    514  1.1  christos       return &_bfd_sparc_elf_howto_table[R_SPARC_TLS_IE_LDX];
    515  1.1  christos 
    516  1.1  christos     case BFD_RELOC_SPARC_TLS_IE_ADD:
    517  1.1  christos       return &_bfd_sparc_elf_howto_table[R_SPARC_TLS_IE_ADD];
    518  1.1  christos 
    519  1.1  christos     case BFD_RELOC_SPARC_TLS_LE_HIX22:
    520  1.1  christos       return &_bfd_sparc_elf_howto_table[R_SPARC_TLS_LE_HIX22];
    521  1.1  christos 
    522  1.1  christos     case BFD_RELOC_SPARC_TLS_LE_LOX10:
    523  1.1  christos       return &_bfd_sparc_elf_howto_table[R_SPARC_TLS_LE_LOX10];
    524  1.1  christos 
    525  1.1  christos     case BFD_RELOC_SPARC_TLS_DTPMOD32:
    526  1.1  christos       return &_bfd_sparc_elf_howto_table[R_SPARC_TLS_DTPMOD32];
    527  1.1  christos 
    528  1.1  christos     case BFD_RELOC_SPARC_TLS_DTPMOD64:
    529  1.1  christos       return &_bfd_sparc_elf_howto_table[R_SPARC_TLS_DTPMOD64];
    530  1.1  christos 
    531  1.1  christos     case BFD_RELOC_SPARC_TLS_DTPOFF32:
    532  1.1  christos       return &_bfd_sparc_elf_howto_table[R_SPARC_TLS_DTPOFF32];
    533  1.1  christos 
    534  1.1  christos     case BFD_RELOC_SPARC_TLS_DTPOFF64:
    535  1.1  christos       return &_bfd_sparc_elf_howto_table[R_SPARC_TLS_DTPOFF64];
    536  1.1  christos 
    537  1.1  christos     case BFD_RELOC_SPARC_TLS_TPOFF32:
    538  1.1  christos       return &_bfd_sparc_elf_howto_table[R_SPARC_TLS_TPOFF32];
    539  1.1  christos 
    540  1.1  christos     case BFD_RELOC_SPARC_TLS_TPOFF64:
    541  1.1  christos       return &_bfd_sparc_elf_howto_table[R_SPARC_TLS_TPOFF64];
    542  1.1  christos 
    543  1.1  christos     case BFD_RELOC_SPARC_GOTDATA_HIX22:
    544  1.1  christos       return &_bfd_sparc_elf_howto_table[R_SPARC_GOTDATA_HIX22];
    545  1.1  christos 
    546  1.1  christos     case BFD_RELOC_SPARC_GOTDATA_LOX10:
    547  1.1  christos       return &_bfd_sparc_elf_howto_table[R_SPARC_GOTDATA_LOX10];
    548  1.1  christos 
    549  1.1  christos     case BFD_RELOC_SPARC_GOTDATA_OP_HIX22:
    550  1.1  christos       return &_bfd_sparc_elf_howto_table[R_SPARC_GOTDATA_OP_HIX22];
    551  1.1  christos 
    552  1.1  christos     case BFD_RELOC_SPARC_GOTDATA_OP_LOX10:
    553  1.1  christos       return &_bfd_sparc_elf_howto_table[R_SPARC_GOTDATA_OP_LOX10];
    554  1.1  christos 
    555  1.1  christos     case BFD_RELOC_SPARC_GOTDATA_OP:
    556  1.1  christos       return &_bfd_sparc_elf_howto_table[R_SPARC_GOTDATA_OP];
    557  1.1  christos 
    558  1.1  christos     case BFD_RELOC_SPARC_H34:
    559  1.1  christos       return &_bfd_sparc_elf_howto_table[R_SPARC_H34];
    560  1.1  christos 
    561  1.1  christos     case BFD_RELOC_SPARC_SIZE32:
    562  1.1  christos       return &_bfd_sparc_elf_howto_table[R_SPARC_SIZE32];
    563  1.1  christos 
    564  1.1  christos     case BFD_RELOC_SPARC_SIZE64:
    565  1.1  christos       return &_bfd_sparc_elf_howto_table[R_SPARC_SIZE64];
    566  1.1  christos 
    567  1.1  christos     case BFD_RELOC_SPARC_WDISP10:
    568  1.1  christos       return &_bfd_sparc_elf_howto_table[R_SPARC_WDISP10];
    569  1.1  christos 
    570  1.1  christos     case BFD_RELOC_SPARC_JMP_IREL:
    571  1.1  christos       return &sparc_jmp_irel_howto;
    572  1.1  christos 
    573  1.1  christos     case BFD_RELOC_SPARC_IRELATIVE:
    574  1.1  christos       return &sparc_irelative_howto;
    575  1.1  christos 
    576  1.1  christos     case BFD_RELOC_VTABLE_INHERIT:
    577  1.1  christos       return &sparc_vtinherit_howto;
    578  1.1  christos 
    579  1.1  christos     case BFD_RELOC_VTABLE_ENTRY:
    580  1.1  christos       return &sparc_vtentry_howto;
    581  1.1  christos 
    582  1.1  christos     case BFD_RELOC_SPARC_REV32:
    583  1.1  christos       return &sparc_rev32_howto;
    584  1.1  christos 
    585  1.1  christos     default:
    586  1.1  christos       break;
    587  1.1  christos     }
    588  1.6  christos   /* xgettext:c-format */
    589  1.6  christos   _bfd_error_handler (_("%pB: unsupported relocation type %#x"), abfd, (int) code);
    590  1.6  christos   bfd_set_error (bfd_error_bad_value);
    591  1.6  christos   return NULL;
    592  1.1  christos }
    593  1.1  christos 
    594  1.1  christos reloc_howto_type *
    595  1.1  christos _bfd_sparc_elf_reloc_name_lookup (bfd *abfd ATTRIBUTE_UNUSED,
    596  1.1  christos 				  const char *r_name)
    597  1.1  christos {
    598  1.1  christos   unsigned int i;
    599  1.1  christos 
    600  1.6  christos   for (i = 0; i < ARRAY_SIZE (_bfd_sparc_elf_howto_table); i++)
    601  1.1  christos     if (_bfd_sparc_elf_howto_table[i].name != NULL
    602  1.1  christos 	&& strcasecmp (_bfd_sparc_elf_howto_table[i].name, r_name) == 0)
    603  1.1  christos       return &_bfd_sparc_elf_howto_table[i];
    604  1.1  christos 
    605  1.1  christos   if (strcasecmp (sparc_vtinherit_howto.name, r_name) == 0)
    606  1.1  christos     return &sparc_vtinherit_howto;
    607  1.1  christos   if (strcasecmp (sparc_vtentry_howto.name, r_name) == 0)
    608  1.1  christos     return &sparc_vtentry_howto;
    609  1.1  christos   if (strcasecmp (sparc_rev32_howto.name, r_name) == 0)
    610  1.1  christos     return &sparc_rev32_howto;
    611  1.1  christos 
    612  1.1  christos   return NULL;
    613  1.1  christos }
    614  1.1  christos 
    615  1.1  christos reloc_howto_type *
    616  1.6  christos _bfd_sparc_elf_info_to_howto_ptr (bfd *abfd ATTRIBUTE_UNUSED,
    617  1.6  christos 				  unsigned int r_type)
    618  1.1  christos {
    619  1.1  christos   switch (r_type)
    620  1.1  christos     {
    621  1.1  christos     case R_SPARC_JMP_IREL:
    622  1.1  christos       return &sparc_jmp_irel_howto;
    623  1.1  christos 
    624  1.1  christos     case R_SPARC_IRELATIVE:
    625  1.1  christos       return &sparc_irelative_howto;
    626  1.1  christos 
    627  1.1  christos     case R_SPARC_GNU_VTINHERIT:
    628  1.1  christos       return &sparc_vtinherit_howto;
    629  1.1  christos 
    630  1.1  christos     case R_SPARC_GNU_VTENTRY:
    631  1.1  christos       return &sparc_vtentry_howto;
    632  1.1  christos 
    633  1.1  christos     case R_SPARC_REV32:
    634  1.1  christos       return &sparc_rev32_howto;
    635  1.1  christos 
    636  1.1  christos     default:
    637  1.1  christos       if (r_type >= (unsigned int) R_SPARC_max_std)
    638  1.1  christos 	{
    639  1.6  christos 	  _bfd_error_handler (_("%pB: unsupported relocation type %#x"),
    640  1.6  christos 			      abfd, r_type);
    641  1.6  christos 	  bfd_set_error (bfd_error_bad_value);
    642  1.6  christos 	  return NULL;
    643  1.1  christos 	}
    644  1.1  christos       return &_bfd_sparc_elf_howto_table[r_type];
    645  1.1  christos     }
    646  1.1  christos }
    647  1.1  christos 
    648  1.1  christos /* Both 32-bit and 64-bit sparc encode this in an identical manner,
    649  1.1  christos    so just take advantage of that.  */
    650  1.1  christos #define SPARC_ELF_R_TYPE(r_info)	\
    651  1.1  christos 	((r_info) & 0xff)
    652  1.1  christos 
    653  1.6  christos bfd_boolean
    654  1.6  christos _bfd_sparc_elf_info_to_howto (bfd *abfd, arelent *cache_ptr,
    655  1.1  christos 			      Elf_Internal_Rela *dst)
    656  1.1  christos {
    657  1.1  christos   unsigned int r_type = SPARC_ELF_R_TYPE (dst->r_info);
    658  1.1  christos 
    659  1.6  christos   if ((cache_ptr->howto = _bfd_sparc_elf_info_to_howto_ptr (abfd, r_type)) == NULL)
    660  1.6  christos     {
    661  1.6  christos       bfd_set_error (bfd_error_bad_value);
    662  1.6  christos       return FALSE;
    663  1.6  christos     }
    664  1.6  christos   return TRUE;
    665  1.1  christos }
    666  1.1  christos 
    667  1.1  christos 
    669  1.1  christos /* The nop opcode we use.  */
    670  1.1  christos #define SPARC_NOP 0x01000000
    671  1.1  christos 
    672  1.1  christos #define SPARC_INSN_BYTES	4
    673  1.6  christos 
    674  1.6  christos /* Is an undefined weak symbol resolved to 0 ?
    675  1.6  christos    Reference to an undefined weak symbol is resolved to 0 when
    676  1.6  christos    building an executable if it isn't dynamic and
    677  1.6  christos    1. Has non-GOT/non-PLT relocations in text section.
    678  1.6  christos    Or
    679  1.6  christos    2. Has no GOT/PLT relocation.  */
    680  1.6  christos #define UNDEFINED_WEAK_RESOLVED_TO_ZERO(INFO, EH)		\
    681  1.6  christos   ((EH)->elf.root.type == bfd_link_hash_undefweak		\
    682  1.6  christos    && bfd_link_executable (INFO)				\
    683  1.6  christos    && (_bfd_sparc_elf_hash_table (INFO)->interp == NULL		\
    684  1.6  christos        || !(INFO)->dynamic_undefined_weak			\
    685  1.6  christos        || (EH)->has_non_got_reloc				\
    686  1.1  christos        || !(EH)->has_got_reloc))
    687  1.1  christos 
    688  1.1  christos /* SPARC ELF linker hash entry.  */
    689  1.1  christos 
    690  1.1  christos struct _bfd_sparc_elf_link_hash_entry
    691  1.1  christos {
    692  1.1  christos   struct elf_link_hash_entry elf;
    693  1.1  christos 
    694  1.6  christos   /* Track dynamic relocs copied for this symbol.  */
    695  1.1  christos   struct elf_dyn_relocs *dyn_relocs;
    696  1.1  christos 
    697  1.1  christos #define GOT_UNKNOWN     0
    698  1.1  christos #define GOT_NORMAL      1
    699  1.1  christos #define GOT_TLS_GD      2
    700  1.1  christos #define GOT_TLS_IE      3
    701  1.6  christos   unsigned char tls_type;
    702  1.6  christos 
    703  1.6  christos   /* Symbol has GOT or PLT relocations.  */
    704  1.6  christos   unsigned int has_got_reloc : 1;
    705  1.6  christos 
    706  1.6  christos   /* Symbol has old-style, non-relaxable GOT relocations.  */
    707  1.6  christos   unsigned int has_old_style_got_reloc : 1;
    708  1.6  christos 
    709  1.6  christos   /* Symbol has non-GOT/non-PLT relocations in text sections.  */
    710  1.6  christos   unsigned int has_non_got_reloc : 1;
    711  1.1  christos 
    712  1.1  christos };
    713  1.1  christos 
    714  1.1  christos #define _bfd_sparc_elf_hash_entry(ent) ((struct _bfd_sparc_elf_link_hash_entry *)(ent))
    715  1.1  christos 
    716  1.1  christos struct _bfd_sparc_elf_obj_tdata
    717  1.1  christos {
    718  1.1  christos   struct elf_obj_tdata root;
    719  1.1  christos 
    720  1.1  christos   /* tls_type for each local got entry.  */
    721  1.1  christos   char *local_got_tls_type;
    722  1.1  christos 
    723  1.1  christos   /* TRUE if TLS GD relocs has been seen for this object.  */
    724  1.1  christos   bfd_boolean has_tlsgd;
    725  1.1  christos };
    726  1.1  christos 
    727  1.1  christos #define _bfd_sparc_elf_tdata(abfd) \
    728  1.1  christos   ((struct _bfd_sparc_elf_obj_tdata *) (abfd)->tdata.any)
    729  1.1  christos 
    730  1.1  christos #define _bfd_sparc_elf_local_got_tls_type(abfd) \
    731  1.1  christos   (_bfd_sparc_elf_tdata (abfd)->local_got_tls_type)
    732  1.1  christos 
    733  1.1  christos #define is_sparc_elf(bfd)				\
    734  1.1  christos   (bfd_get_flavour (bfd) == bfd_target_elf_flavour	\
    735  1.1  christos    && elf_tdata (bfd) != NULL				\
    736  1.1  christos    && elf_object_id (bfd) == SPARC_ELF_DATA)
    737  1.1  christos 
    738  1.1  christos bfd_boolean
    739  1.1  christos _bfd_sparc_elf_mkobject (bfd *abfd)
    740  1.1  christos {
    741  1.1  christos   return bfd_elf_allocate_object (abfd, sizeof (struct _bfd_sparc_elf_obj_tdata),
    742  1.1  christos 				  SPARC_ELF_DATA);
    743  1.1  christos }
    744  1.1  christos 
    745  1.1  christos static void
    746  1.1  christos sparc_put_word_32 (bfd *abfd, bfd_vma val, void *ptr)
    747  1.1  christos {
    748  1.1  christos   bfd_put_32 (abfd, val, ptr);
    749  1.1  christos }
    750  1.1  christos 
    751  1.1  christos static void
    752  1.1  christos sparc_put_word_64 (bfd *abfd, bfd_vma val, void *ptr)
    753  1.1  christos {
    754  1.1  christos   bfd_put_64 (abfd, val, ptr);
    755  1.1  christos }
    756  1.1  christos 
    757  1.1  christos static void
    758  1.1  christos sparc_elf_append_rela (bfd *abfd, asection *s, Elf_Internal_Rela *rel)
    759  1.1  christos {
    760  1.1  christos   const struct elf_backend_data *bed;
    761  1.1  christos   bfd_byte *loc;
    762  1.1  christos 
    763  1.6  christos   bed = get_elf_backend_data (abfd);
    764  1.1  christos   BFD_ASSERT (s->reloc_count * bed->s->sizeof_rela < s->size);
    765  1.1  christos   loc = s->contents + (s->reloc_count++ * bed->s->sizeof_rela);
    766  1.1  christos   bed->s->swap_reloca_out (abfd, rel, loc);
    767  1.1  christos }
    768  1.1  christos 
    769  1.1  christos static bfd_vma
    770  1.1  christos sparc_elf_r_info_64 (Elf_Internal_Rela *in_rel ATTRIBUTE_UNUSED,
    771  1.1  christos 		     bfd_vma rel_index ATTRIBUTE_UNUSED,
    772  1.1  christos 		     bfd_vma type ATTRIBUTE_UNUSED)
    773  1.1  christos {
    774  1.1  christos   return ELF64_R_INFO (rel_index,
    775  1.1  christos 		       (in_rel ?
    776  1.1  christos 			ELF64_R_TYPE_INFO (ELF64_R_TYPE_DATA (in_rel->r_info),
    777  1.1  christos 					   type) : type));
    778  1.1  christos }
    779  1.1  christos 
    780  1.1  christos static bfd_vma
    781  1.1  christos sparc_elf_r_info_32 (Elf_Internal_Rela *in_rel ATTRIBUTE_UNUSED,
    782  1.1  christos 		     bfd_vma rel_index, bfd_vma type)
    783  1.1  christos {
    784  1.1  christos   return ELF32_R_INFO (rel_index, type);
    785  1.1  christos }
    786  1.1  christos 
    787  1.1  christos static bfd_vma
    788  1.1  christos sparc_elf_r_symndx_64 (bfd_vma r_info)
    789  1.1  christos {
    790  1.1  christos   bfd_vma r_symndx = ELF32_R_SYM (r_info);
    791  1.1  christos   return (r_symndx >> 24);
    792  1.1  christos }
    793  1.1  christos 
    794  1.1  christos static bfd_vma
    795  1.1  christos sparc_elf_r_symndx_32 (bfd_vma r_info)
    796  1.1  christos {
    797  1.1  christos   return ELF32_R_SYM (r_info);
    798  1.1  christos }
    799  1.1  christos 
    800  1.1  christos /* PLT/GOT stuff */
    801  1.1  christos 
    802  1.1  christos #define PLT32_ENTRY_SIZE 12
    803  1.1  christos #define PLT32_HEADER_SIZE	(4 * PLT32_ENTRY_SIZE)
    804  1.1  christos 
    805  1.1  christos /* The first four entries in a 32-bit procedure linkage table are reserved,
    806  1.1  christos    and the initial contents are unimportant (we zero them out).
    807  1.1  christos    Subsequent entries look like this.  See the SVR4 ABI SPARC
    808  1.1  christos    supplement to see how this works.  */
    809  1.1  christos 
    810  1.1  christos /* sethi %hi(.-.plt0),%g1.  We fill in the address later.  */
    811  1.1  christos #define PLT32_ENTRY_WORD0 0x03000000
    812  1.1  christos /* b,a .plt0.  We fill in the offset later.  */
    813  1.1  christos #define PLT32_ENTRY_WORD1 0x30800000
    814  1.1  christos /* nop.  */
    815  1.1  christos #define PLT32_ENTRY_WORD2 SPARC_NOP
    816  1.1  christos 
    817  1.1  christos static int
    818  1.1  christos sparc32_plt_entry_build (bfd *output_bfd, asection *splt, bfd_vma offset,
    819  1.1  christos 			 bfd_vma max ATTRIBUTE_UNUSED,
    820  1.1  christos 			 bfd_vma *r_offset)
    821  1.1  christos {
    822  1.1  christos       bfd_put_32 (output_bfd,
    823  1.1  christos 		  PLT32_ENTRY_WORD0 + offset,
    824  1.1  christos 		  splt->contents + offset);
    825  1.1  christos       bfd_put_32 (output_bfd,
    826  1.1  christos 		  (PLT32_ENTRY_WORD1
    827  1.1  christos 		   + (((- (offset + 4)) >> 2) & 0x3fffff)),
    828  1.1  christos 		  splt->contents + offset + 4);
    829  1.1  christos       bfd_put_32 (output_bfd, (bfd_vma) PLT32_ENTRY_WORD2,
    830  1.1  christos 		  splt->contents + offset + 8);
    831  1.1  christos 
    832  1.1  christos       *r_offset = offset;
    833  1.1  christos 
    834  1.1  christos       return offset / PLT32_ENTRY_SIZE - 4;
    835  1.1  christos }
    836  1.1  christos 
    837  1.1  christos /* Both the headers and the entries are icache aligned.  */
    838  1.1  christos #define PLT64_ENTRY_SIZE	32
    839  1.1  christos #define PLT64_HEADER_SIZE	(4 * PLT64_ENTRY_SIZE)
    840  1.1  christos #define PLT64_LARGE_THRESHOLD	32768
    841  1.1  christos 
    842  1.1  christos static int
    843  1.1  christos sparc64_plt_entry_build (bfd *output_bfd, asection *splt, bfd_vma offset,
    844  1.1  christos 			 bfd_vma max, bfd_vma *r_offset)
    845  1.1  christos {
    846  1.1  christos   unsigned char *entry = splt->contents + offset;
    847  1.1  christos   const unsigned int nop = SPARC_NOP;
    848  1.1  christos   int plt_index;
    849  1.1  christos 
    850  1.1  christos   if (offset < (PLT64_LARGE_THRESHOLD * PLT64_ENTRY_SIZE))
    851  1.1  christos     {
    852  1.1  christos       unsigned int sethi, ba;
    853  1.1  christos 
    854  1.1  christos       *r_offset = offset;
    855  1.1  christos 
    856  1.1  christos       plt_index = (offset / PLT64_ENTRY_SIZE);
    857  1.1  christos 
    858  1.1  christos       sethi = 0x03000000 | (plt_index * PLT64_ENTRY_SIZE);
    859  1.1  christos       ba = 0x30680000
    860  1.1  christos 	| (((splt->contents + PLT64_ENTRY_SIZE) - (entry + 4)) / 4 & 0x7ffff);
    861  1.1  christos 
    862  1.1  christos       bfd_put_32 (output_bfd, (bfd_vma) sethi, entry);
    863  1.1  christos       bfd_put_32 (output_bfd, (bfd_vma) ba,    entry + 4);
    864  1.1  christos       bfd_put_32 (output_bfd, (bfd_vma) nop,   entry + 8);
    865  1.1  christos       bfd_put_32 (output_bfd, (bfd_vma) nop,   entry + 12);
    866  1.1  christos       bfd_put_32 (output_bfd, (bfd_vma) nop,   entry + 16);
    867  1.1  christos       bfd_put_32 (output_bfd, (bfd_vma) nop,   entry + 20);
    868  1.1  christos       bfd_put_32 (output_bfd, (bfd_vma) nop,   entry + 24);
    869  1.1  christos       bfd_put_32 (output_bfd, (bfd_vma) nop,   entry + 28);
    870  1.1  christos     }
    871  1.1  christos   else
    872  1.1  christos     {
    873  1.1  christos       unsigned char *ptr;
    874  1.1  christos       unsigned int ldx;
    875  1.1  christos       int block, last_block, ofs, last_ofs, chunks_this_block;
    876  1.1  christos       const int insn_chunk_size = (6 * 4);
    877  1.1  christos       const int ptr_chunk_size = (1 * 8);
    878  1.1  christos       const int entries_per_block = 160;
    879  1.1  christos       const int block_size = entries_per_block * (insn_chunk_size
    880  1.1  christos 						  + ptr_chunk_size);
    881  1.1  christos 
    882  1.1  christos       /* Entries 32768 and higher are grouped into blocks of 160.
    883  1.1  christos 	 The blocks are further subdivided into 160 sequences of
    884  1.1  christos 	 6 instructions and 160 pointers.  If a block does not require
    885  1.1  christos 	 the full 160 entries, let's say it requires N, then there
    886  1.1  christos 	 will be N sequences of 6 instructions and N pointers.  */
    887  1.1  christos 
    888  1.1  christos       offset -= (PLT64_LARGE_THRESHOLD * PLT64_ENTRY_SIZE);
    889  1.1  christos       max -= (PLT64_LARGE_THRESHOLD * PLT64_ENTRY_SIZE);
    890  1.1  christos 
    891  1.1  christos       block = offset / block_size;
    892  1.1  christos       last_block = max / block_size;
    893  1.1  christos       if (block != last_block)
    894  1.1  christos 	{
    895  1.1  christos 	  chunks_this_block = 160;
    896  1.1  christos 	}
    897  1.1  christos       else
    898  1.1  christos 	{
    899  1.1  christos 	  last_ofs = max % block_size;
    900  1.1  christos 	  chunks_this_block = last_ofs / (insn_chunk_size + ptr_chunk_size);
    901  1.1  christos 	}
    902  1.1  christos 
    903  1.1  christos       ofs = offset % block_size;
    904  1.1  christos 
    905  1.1  christos       plt_index = (PLT64_LARGE_THRESHOLD +
    906  1.1  christos 	       (block * 160) +
    907  1.1  christos 	       (ofs / insn_chunk_size));
    908  1.1  christos 
    909  1.1  christos       ptr = splt->contents
    910  1.1  christos 	+ (PLT64_LARGE_THRESHOLD * PLT64_ENTRY_SIZE)
    911  1.1  christos 	+ (block * block_size)
    912  1.1  christos 	+ (chunks_this_block * insn_chunk_size)
    913  1.1  christos 	+ (ofs / insn_chunk_size) * ptr_chunk_size;
    914  1.1  christos 
    915  1.1  christos       *r_offset = (bfd_vma) (ptr - splt->contents);
    916  1.1  christos 
    917  1.1  christos       ldx = 0xc25be000 | ((ptr - (entry+4)) & 0x1fff);
    918  1.1  christos 
    919  1.1  christos       /* mov %o7,%g5
    920  1.1  christos 	 call .+8
    921  1.1  christos 	 nop
    922  1.1  christos 	 ldx [%o7+P],%g1
    923  1.1  christos 	 jmpl %o7+%g1,%g1
    924  1.1  christos 	 mov %g5,%o7  */
    925  1.1  christos       bfd_put_32 (output_bfd, (bfd_vma) 0x8a10000f, entry);
    926  1.1  christos       bfd_put_32 (output_bfd, (bfd_vma) 0x40000002, entry + 4);
    927  1.6  christos       bfd_put_32 (output_bfd, (bfd_vma) SPARC_NOP,  entry + 8);
    928  1.1  christos       bfd_put_32 (output_bfd, (bfd_vma) ldx,	    entry + 12);
    929  1.1  christos       bfd_put_32 (output_bfd, (bfd_vma) 0x83c3c001, entry + 16);
    930  1.1  christos       bfd_put_32 (output_bfd, (bfd_vma) 0x9e100005, entry + 20);
    931  1.1  christos 
    932  1.1  christos       bfd_put_64 (output_bfd, (bfd_vma) (splt->contents - (entry + 4)), ptr);
    933  1.1  christos     }
    934  1.1  christos 
    935  1.1  christos   return plt_index - 4;
    936  1.1  christos }
    937  1.1  christos 
    938  1.1  christos /* The format of the first PLT entry in a VxWorks executable.  */
    939  1.1  christos static const bfd_vma sparc_vxworks_exec_plt0_entry[] =
    940  1.1  christos   {
    941  1.1  christos     0x05000000,	/* sethi  %hi(_GLOBAL_OFFSET_TABLE_+8), %g2 */
    942  1.1  christos     0x8410a000,	/* or     %g2, %lo(_GLOBAL_OFFSET_TABLE_+8), %g2 */
    943  1.1  christos     0xc4008000,	/* ld     [ %g2 ], %g2 */
    944  1.1  christos     0x81c08000,	/* jmp    %g2 */
    945  1.1  christos     0x01000000	/* nop */
    946  1.1  christos   };
    947  1.1  christos 
    948  1.1  christos /* The format of subsequent PLT entries.  */
    949  1.1  christos static const bfd_vma sparc_vxworks_exec_plt_entry[] =
    950  1.1  christos   {
    951  1.1  christos     0x03000000,	/* sethi  %hi(_GLOBAL_OFFSET_TABLE_+f@got), %g1 */
    952  1.1  christos     0x82106000,	/* or     %g1, %lo(_GLOBAL_OFFSET_TABLE_+f@got), %g1 */
    953  1.1  christos     0xc2004000,	/* ld     [ %g1 ], %g1 */
    954  1.1  christos     0x81c04000,	/* jmp    %g1 */
    955  1.1  christos     0x01000000,	/* nop */
    956  1.1  christos     0x03000000,	/* sethi  %hi(f@pltindex), %g1 */
    957  1.1  christos     0x10800000,	/* b      _PLT_resolve */
    958  1.1  christos     0x82106000	/* or     %g1, %lo(f@pltindex), %g1 */
    959  1.1  christos   };
    960  1.1  christos 
    961  1.1  christos /* The format of the first PLT entry in a VxWorks shared object.  */
    962  1.1  christos static const bfd_vma sparc_vxworks_shared_plt0_entry[] =
    963  1.1  christos   {
    964  1.1  christos     0xc405e008,	/* ld     [ %l7 + 8 ], %g2 */
    965  1.1  christos     0x81c08000,	/* jmp    %g2 */
    966  1.1  christos     0x01000000	/* nop */
    967  1.1  christos   };
    968  1.1  christos 
    969  1.1  christos /* The format of subsequent PLT entries.  */
    970  1.1  christos static const bfd_vma sparc_vxworks_shared_plt_entry[] =
    971  1.1  christos   {
    972  1.1  christos     0x03000000,	/* sethi  %hi(f@got), %g1 */
    973  1.1  christos     0x82106000,	/* or     %g1, %lo(f@got), %g1 */
    974  1.1  christos     0xc205c001,	/* ld     [ %l7 + %g1 ], %g1 */
    975  1.1  christos     0x81c04000,	/* jmp    %g1 */
    976  1.1  christos     0x01000000,	/* nop */
    977  1.1  christos     0x03000000,	/* sethi  %hi(f@pltindex), %g1 */
    978  1.1  christos     0x10800000,	/* b      _PLT_resolve */
    979  1.1  christos     0x82106000	/* or     %g1, %lo(f@pltindex), %g1 */
    980  1.1  christos   };
    981  1.1  christos 
    982  1.1  christos #define SPARC_ELF_PUT_WORD(htab, bfd, val, ptr)	\
    983  1.1  christos 	htab->put_word(bfd, val, ptr)
    984  1.1  christos 
    985  1.1  christos #define SPARC_ELF_R_INFO(htab, in_rel, index, type)	\
    986  1.1  christos 	htab->r_info(in_rel, index, type)
    987  1.1  christos 
    988  1.1  christos #define SPARC_ELF_R_SYMNDX(htab, r_info)	\
    989  1.1  christos 	htab->r_symndx(r_info)
    990  1.1  christos 
    991  1.1  christos #define SPARC_ELF_WORD_BYTES(htab)	\
    992  1.1  christos 	htab->bytes_per_word
    993  1.1  christos 
    994  1.1  christos #define SPARC_ELF_RELA_BYTES(htab)	\
    995  1.1  christos 	htab->bytes_per_rela
    996  1.1  christos 
    997  1.1  christos #define SPARC_ELF_DTPOFF_RELOC(htab)	\
    998  1.1  christos 	htab->dtpoff_reloc
    999  1.1  christos 
   1000  1.1  christos #define SPARC_ELF_DTPMOD_RELOC(htab)	\
   1001  1.1  christos 	htab->dtpmod_reloc
   1002  1.1  christos 
   1003  1.1  christos #define SPARC_ELF_TPOFF_RELOC(htab)	\
   1004  1.1  christos 	htab->tpoff_reloc
   1005  1.1  christos 
   1006  1.1  christos #define SPARC_ELF_BUILD_PLT_ENTRY(htab, obfd, splt, off, max, r_off) \
   1007  1.1  christos 	htab->build_plt_entry (obfd, splt, off, max, r_off)
   1008  1.1  christos 
   1009  1.1  christos /* Create an entry in an SPARC ELF linker hash table.  */
   1010  1.1  christos 
   1011  1.1  christos static struct bfd_hash_entry *
   1012  1.1  christos link_hash_newfunc (struct bfd_hash_entry *entry,
   1013  1.1  christos 		   struct bfd_hash_table *table, const char *string)
   1014  1.1  christos {
   1015  1.1  christos   /* Allocate the structure if it has not already been allocated by a
   1016  1.1  christos      subclass.  */
   1017  1.1  christos   if (entry == NULL)
   1018  1.1  christos     {
   1019  1.1  christos       entry = bfd_hash_allocate (table,
   1020  1.1  christos 				 sizeof (struct _bfd_sparc_elf_link_hash_entry));
   1021  1.1  christos       if (entry == NULL)
   1022  1.1  christos 	return entry;
   1023  1.1  christos     }
   1024  1.1  christos 
   1025  1.1  christos   /* Call the allocation method of the superclass.  */
   1026  1.1  christos   entry = _bfd_elf_link_hash_newfunc (entry, table, string);
   1027  1.1  christos   if (entry != NULL)
   1028  1.1  christos     {
   1029  1.1  christos       struct _bfd_sparc_elf_link_hash_entry *eh;
   1030  1.1  christos 
   1031  1.1  christos       eh = (struct _bfd_sparc_elf_link_hash_entry *) entry;
   1032  1.1  christos       eh->dyn_relocs = NULL;
   1033  1.6  christos       eh->tls_type = GOT_UNKNOWN;
   1034  1.6  christos       eh->has_got_reloc = 0;
   1035  1.1  christos       eh->has_non_got_reloc = 0;
   1036  1.1  christos     }
   1037  1.1  christos 
   1038  1.1  christos   return entry;
   1039  1.1  christos }
   1040  1.1  christos 
   1041  1.1  christos /* The name of the dynamic interpreter.  This is put in the .interp
   1042  1.1  christos    section.  */
   1043  1.1  christos 
   1044  1.1  christos #define ELF32_DYNAMIC_INTERPRETER "/usr/lib/ld.so.1"
   1045  1.1  christos #define ELF64_DYNAMIC_INTERPRETER "/usr/lib/sparcv9/ld.so.1"
   1046  1.1  christos 
   1047  1.1  christos /* Compute a hash of a local hash entry.  We use elf_link_hash_entry
   1048  1.1  christos    for local symbol so that we can handle local STT_GNU_IFUNC symbols
   1049  1.1  christos    as global symbol.  We reuse indx and dynstr_index for local symbol
   1050  1.1  christos    hash since they aren't used by global symbols in this backend.  */
   1051  1.1  christos 
   1052  1.1  christos static hashval_t
   1053  1.1  christos elf_sparc_local_htab_hash (const void *ptr)
   1054  1.1  christos {
   1055  1.1  christos   struct elf_link_hash_entry *h
   1056  1.1  christos     = (struct elf_link_hash_entry *) ptr;
   1057  1.1  christos   return ELF_LOCAL_SYMBOL_HASH (h->indx, h->dynstr_index);
   1058  1.1  christos }
   1059  1.1  christos 
   1060  1.1  christos /* Compare local hash entries.  */
   1061  1.1  christos 
   1062  1.1  christos static int
   1063  1.1  christos elf_sparc_local_htab_eq (const void *ptr1, const void *ptr2)
   1064  1.1  christos {
   1065  1.1  christos   struct elf_link_hash_entry *h1
   1066  1.1  christos      = (struct elf_link_hash_entry *) ptr1;
   1067  1.1  christos   struct elf_link_hash_entry *h2
   1068  1.1  christos     = (struct elf_link_hash_entry *) ptr2;
   1069  1.1  christos 
   1070  1.1  christos   return h1->indx == h2->indx && h1->dynstr_index == h2->dynstr_index;
   1071  1.1  christos }
   1072  1.1  christos 
   1073  1.1  christos /* Find and/or create a hash entry for local symbol.  */
   1074  1.1  christos 
   1075  1.1  christos static struct elf_link_hash_entry *
   1076  1.1  christos elf_sparc_get_local_sym_hash (struct _bfd_sparc_elf_link_hash_table *htab,
   1077  1.1  christos 			      bfd *abfd, const Elf_Internal_Rela *rel,
   1078  1.1  christos 			      bfd_boolean create)
   1079  1.1  christos {
   1080  1.1  christos   struct _bfd_sparc_elf_link_hash_entry e, *ret;
   1081  1.1  christos   asection *sec = abfd->sections;
   1082  1.1  christos   unsigned long r_symndx;
   1083  1.1  christos   hashval_t h;
   1084  1.1  christos   void **slot;
   1085  1.1  christos 
   1086  1.1  christos   r_symndx = SPARC_ELF_R_SYMNDX (htab, rel->r_info);
   1087  1.1  christos   h = ELF_LOCAL_SYMBOL_HASH (sec->id, r_symndx);
   1088  1.1  christos 
   1089  1.1  christos   e.elf.indx = sec->id;
   1090  1.1  christos   e.elf.dynstr_index = r_symndx;
   1091  1.1  christos   slot = htab_find_slot_with_hash (htab->loc_hash_table, &e, h,
   1092  1.1  christos 				   create ? INSERT : NO_INSERT);
   1093  1.1  christos 
   1094  1.1  christos   if (!slot)
   1095  1.1  christos     return NULL;
   1096  1.1  christos 
   1097  1.1  christos   if (*slot)
   1098  1.1  christos     {
   1099  1.1  christos       ret = (struct _bfd_sparc_elf_link_hash_entry *) *slot;
   1100  1.1  christos       return &ret->elf;
   1101  1.1  christos     }
   1102  1.1  christos 
   1103  1.1  christos   ret = (struct _bfd_sparc_elf_link_hash_entry *)
   1104  1.1  christos 	objalloc_alloc ((struct objalloc *) htab->loc_hash_memory,
   1105  1.1  christos 			sizeof (struct _bfd_sparc_elf_link_hash_entry));
   1106  1.1  christos   if (ret)
   1107  1.1  christos     {
   1108  1.1  christos       memset (ret, 0, sizeof (*ret));
   1109  1.1  christos       ret->elf.indx = sec->id;
   1110  1.1  christos       ret->elf.dynstr_index = r_symndx;
   1111  1.1  christos       ret->elf.dynindx = -1;
   1112  1.1  christos       ret->elf.plt.offset = (bfd_vma) -1;
   1113  1.1  christos       ret->elf.got.offset = (bfd_vma) -1;
   1114  1.1  christos       *slot = ret;
   1115  1.1  christos     }
   1116  1.1  christos   return &ret->elf;
   1117  1.1  christos }
   1118  1.3  christos 
   1119  1.3  christos /* Destroy a SPARC ELF linker hash table.  */
   1120  1.3  christos 
   1121  1.3  christos static void
   1122  1.3  christos _bfd_sparc_elf_link_hash_table_free (bfd *obfd)
   1123  1.3  christos {
   1124  1.3  christos   struct _bfd_sparc_elf_link_hash_table *htab
   1125  1.3  christos     = (struct _bfd_sparc_elf_link_hash_table *) obfd->link.hash;
   1126  1.3  christos 
   1127  1.3  christos   if (htab->loc_hash_table)
   1128  1.3  christos     htab_delete (htab->loc_hash_table);
   1129  1.3  christos   if (htab->loc_hash_memory)
   1130  1.3  christos     objalloc_free ((struct objalloc *) htab->loc_hash_memory);
   1131  1.3  christos   _bfd_elf_link_hash_table_free (obfd);
   1132  1.3  christos }
   1133  1.1  christos 
   1134  1.1  christos /* Create a SPARC ELF linker hash table.  */
   1135  1.1  christos 
   1136  1.1  christos struct bfd_link_hash_table *
   1137  1.1  christos _bfd_sparc_elf_link_hash_table_create (bfd *abfd)
   1138  1.1  christos {
   1139  1.1  christos   struct _bfd_sparc_elf_link_hash_table *ret;
   1140  1.1  christos   bfd_size_type amt = sizeof (struct _bfd_sparc_elf_link_hash_table);
   1141  1.1  christos 
   1142  1.1  christos   ret = (struct _bfd_sparc_elf_link_hash_table *) bfd_zmalloc (amt);
   1143  1.1  christos   if (ret == NULL)
   1144  1.1  christos     return NULL;
   1145  1.1  christos 
   1146  1.1  christos   if (ABI_64_P (abfd))
   1147  1.1  christos     {
   1148  1.1  christos       ret->put_word = sparc_put_word_64;
   1149  1.1  christos       ret->r_info = sparc_elf_r_info_64;
   1150  1.1  christos       ret->r_symndx = sparc_elf_r_symndx_64;
   1151  1.1  christos       ret->dtpoff_reloc = R_SPARC_TLS_DTPOFF64;
   1152  1.1  christos       ret->dtpmod_reloc = R_SPARC_TLS_DTPMOD64;
   1153  1.1  christos       ret->tpoff_reloc = R_SPARC_TLS_TPOFF64;
   1154  1.1  christos       ret->word_align_power = 3;
   1155  1.1  christos       ret->align_power_max = 4;
   1156  1.1  christos       ret->bytes_per_word = 8;
   1157  1.1  christos       ret->bytes_per_rela = sizeof (Elf64_External_Rela);
   1158  1.1  christos       ret->dynamic_interpreter = ELF64_DYNAMIC_INTERPRETER;
   1159  1.1  christos       ret->dynamic_interpreter_size = sizeof ELF64_DYNAMIC_INTERPRETER;
   1160  1.1  christos 
   1161  1.1  christos       ret->build_plt_entry = sparc64_plt_entry_build;
   1162  1.1  christos       ret->plt_header_size = PLT64_HEADER_SIZE;
   1163  1.1  christos       ret->plt_entry_size = PLT64_ENTRY_SIZE;
   1164  1.1  christos     }
   1165  1.1  christos   else
   1166  1.1  christos     {
   1167  1.1  christos       ret->put_word = sparc_put_word_32;
   1168  1.1  christos       ret->r_info = sparc_elf_r_info_32;
   1169  1.1  christos       ret->r_symndx = sparc_elf_r_symndx_32;
   1170  1.1  christos       ret->dtpoff_reloc = R_SPARC_TLS_DTPOFF32;
   1171  1.1  christos       ret->dtpmod_reloc = R_SPARC_TLS_DTPMOD32;
   1172  1.1  christos       ret->tpoff_reloc = R_SPARC_TLS_TPOFF32;
   1173  1.1  christos       ret->word_align_power = 2;
   1174  1.1  christos       ret->align_power_max = 3;
   1175  1.1  christos       ret->bytes_per_word = 4;
   1176  1.1  christos       ret->bytes_per_rela = sizeof (Elf32_External_Rela);
   1177  1.1  christos       ret->dynamic_interpreter = ELF32_DYNAMIC_INTERPRETER;
   1178  1.1  christos       ret->dynamic_interpreter_size = sizeof ELF32_DYNAMIC_INTERPRETER;
   1179  1.1  christos 
   1180  1.1  christos       ret->build_plt_entry = sparc32_plt_entry_build;
   1181  1.1  christos       ret->plt_header_size = PLT32_HEADER_SIZE;
   1182  1.1  christos       ret->plt_entry_size = PLT32_ENTRY_SIZE;
   1183  1.1  christos     }
   1184  1.1  christos 
   1185  1.1  christos   if (!_bfd_elf_link_hash_table_init (&ret->elf, abfd, link_hash_newfunc,
   1186  1.1  christos 				      sizeof (struct _bfd_sparc_elf_link_hash_entry),
   1187  1.1  christos 				      SPARC_ELF_DATA))
   1188  1.1  christos     {
   1189  1.1  christos       free (ret);
   1190  1.1  christos       return NULL;
   1191  1.1  christos     }
   1192  1.1  christos 
   1193  1.1  christos   ret->loc_hash_table = htab_try_create (1024,
   1194  1.1  christos 					 elf_sparc_local_htab_hash,
   1195  1.1  christos 					 elf_sparc_local_htab_eq,
   1196  1.1  christos 					 NULL);
   1197  1.1  christos   ret->loc_hash_memory = objalloc_create ();
   1198  1.1  christos   if (!ret->loc_hash_table || !ret->loc_hash_memory)
   1199  1.3  christos     {
   1200  1.1  christos       _bfd_sparc_elf_link_hash_table_free (abfd);
   1201  1.1  christos       return NULL;
   1202  1.3  christos     }
   1203  1.1  christos   ret->elf.root.hash_table_free = _bfd_sparc_elf_link_hash_table_free;
   1204  1.1  christos 
   1205  1.1  christos   return &ret->elf.root;
   1206  1.1  christos }
   1207  1.1  christos 
   1208  1.1  christos /* Create .plt, .rela.plt, .got, .rela.got, .dynbss, and
   1209  1.1  christos    .rela.bss sections in DYNOBJ, and set up shortcuts to them in our
   1210  1.1  christos    hash table.  */
   1211  1.1  christos 
   1212  1.1  christos bfd_boolean
   1213  1.1  christos _bfd_sparc_elf_create_dynamic_sections (bfd *dynobj,
   1214  1.1  christos 					struct bfd_link_info *info)
   1215  1.1  christos {
   1216  1.1  christos   struct _bfd_sparc_elf_link_hash_table *htab;
   1217  1.1  christos 
   1218  1.1  christos   htab = _bfd_sparc_elf_hash_table (info);
   1219  1.1  christos   BFD_ASSERT (htab != NULL);
   1220  1.1  christos 
   1221  1.1  christos   if (!_bfd_elf_create_dynamic_sections (dynobj, info))
   1222  1.1  christos     return FALSE;
   1223  1.1  christos 
   1224  1.1  christos   if (htab->is_vxworks)
   1225  1.1  christos     {
   1226  1.1  christos       if (!elf_vxworks_create_dynamic_sections (dynobj, info, &htab->srelplt2))
   1227  1.3  christos 	return FALSE;
   1228  1.1  christos       if (bfd_link_pic (info))
   1229  1.1  christos 	{
   1230  1.1  christos 	  htab->plt_header_size
   1231  1.1  christos 	    = 4 * ARRAY_SIZE (sparc_vxworks_shared_plt0_entry);
   1232  1.1  christos 	  htab->plt_entry_size
   1233  1.1  christos 	    = 4 * ARRAY_SIZE (sparc_vxworks_shared_plt_entry);
   1234  1.1  christos 	}
   1235  1.1  christos       else
   1236  1.1  christos 	{
   1237  1.1  christos 	  htab->plt_header_size
   1238  1.1  christos 	    = 4 * ARRAY_SIZE (sparc_vxworks_exec_plt0_entry);
   1239  1.1  christos 	  htab->plt_entry_size
   1240  1.1  christos 	    = 4 * ARRAY_SIZE (sparc_vxworks_exec_plt_entry);
   1241  1.1  christos 	}
   1242  1.1  christos     }
   1243  1.6  christos 
   1244  1.6  christos   if (!htab->elf.splt || !htab->elf.srelplt || !htab->elf.sdynbss
   1245  1.1  christos       || (!bfd_link_pic (info) && !htab->elf.srelbss))
   1246  1.1  christos     abort ();
   1247  1.1  christos 
   1248  1.1  christos   return TRUE;
   1249  1.1  christos }
   1250  1.1  christos 
   1251  1.1  christos static bfd_boolean
   1252  1.1  christos create_ifunc_sections (bfd *abfd, struct bfd_link_info *info)
   1253  1.1  christos {
   1254  1.1  christos   const struct elf_backend_data *bed = get_elf_backend_data (abfd);
   1255  1.1  christos   struct elf_link_hash_table *htab = elf_hash_table (info);
   1256  1.1  christos   flagword flags, pltflags;
   1257  1.1  christos   asection *s;
   1258  1.1  christos 
   1259  1.1  christos   if (htab->irelifunc != NULL || htab->iplt != NULL)
   1260  1.1  christos     return TRUE;
   1261  1.1  christos 
   1262  1.1  christos   flags = bed->dynamic_sec_flags;
   1263  1.1  christos   pltflags = flags | SEC_ALLOC | SEC_CODE | SEC_LOAD;
   1264  1.1  christos 
   1265  1.1  christos   s = bfd_make_section_with_flags (abfd, ".iplt", pltflags);
   1266  1.7  christos   if (s == NULL
   1267  1.1  christos       || !bfd_set_section_alignment (s, bed->plt_alignment))
   1268  1.1  christos     return FALSE;
   1269  1.1  christos   htab->iplt = s;
   1270  1.1  christos 
   1271  1.1  christos   s = bfd_make_section_with_flags (abfd, ".rela.iplt",
   1272  1.1  christos 				   flags | SEC_READONLY);
   1273  1.7  christos   if (s == NULL
   1274  1.1  christos       || !bfd_set_section_alignment (s, bed->s->log_file_align))
   1275  1.1  christos     return FALSE;
   1276  1.1  christos   htab->irelplt = s;
   1277  1.1  christos 
   1278  1.1  christos   return TRUE;
   1279  1.1  christos }
   1280  1.1  christos 
   1281  1.1  christos /* Copy the extra info we tack onto an elf_link_hash_entry.  */
   1282  1.1  christos 
   1283  1.1  christos void
   1284  1.1  christos _bfd_sparc_elf_copy_indirect_symbol (struct bfd_link_info *info,
   1285  1.1  christos 				     struct elf_link_hash_entry *dir,
   1286  1.1  christos 				     struct elf_link_hash_entry *ind)
   1287  1.1  christos {
   1288  1.1  christos   struct _bfd_sparc_elf_link_hash_entry *edir, *eind;
   1289  1.1  christos 
   1290  1.1  christos   edir = (struct _bfd_sparc_elf_link_hash_entry *) dir;
   1291  1.1  christos   eind = (struct _bfd_sparc_elf_link_hash_entry *) ind;
   1292  1.1  christos 
   1293  1.1  christos   if (eind->dyn_relocs != NULL)
   1294  1.1  christos     {
   1295  1.1  christos       if (edir->dyn_relocs != NULL)
   1296  1.6  christos 	{
   1297  1.6  christos 	  struct elf_dyn_relocs **pp;
   1298  1.1  christos 	  struct elf_dyn_relocs *p;
   1299  1.1  christos 
   1300  1.1  christos 	  /* Add reloc counts against the indirect sym to the direct sym
   1301  1.1  christos 	     list.  Merge any entries against the same section.  */
   1302  1.1  christos 	  for (pp = &eind->dyn_relocs; (p = *pp) != NULL; )
   1303  1.6  christos 	    {
   1304  1.1  christos 	      struct elf_dyn_relocs *q;
   1305  1.1  christos 
   1306  1.1  christos 	      for (q = edir->dyn_relocs; q != NULL; q = q->next)
   1307  1.1  christos 		if (q->sec == p->sec)
   1308  1.1  christos 		  {
   1309  1.1  christos 		    q->pc_count += p->pc_count;
   1310  1.1  christos 		    q->count += p->count;
   1311  1.1  christos 		    *pp = p->next;
   1312  1.1  christos 		    break;
   1313  1.1  christos 		  }
   1314  1.1  christos 	      if (q == NULL)
   1315  1.1  christos 		pp = &p->next;
   1316  1.1  christos 	    }
   1317  1.1  christos 	  *pp = edir->dyn_relocs;
   1318  1.1  christos 	}
   1319  1.1  christos 
   1320  1.1  christos       edir->dyn_relocs = eind->dyn_relocs;
   1321  1.1  christos       eind->dyn_relocs = NULL;
   1322  1.1  christos     }
   1323  1.6  christos 
   1324  1.1  christos   if (ind->root.type == bfd_link_hash_indirect && dir->got.refcount <= 0)
   1325  1.1  christos     {
   1326  1.1  christos       edir->tls_type = eind->tls_type;
   1327  1.1  christos       eind->tls_type = GOT_UNKNOWN;
   1328  1.6  christos     }
   1329  1.6  christos 
   1330  1.6  christos   /* Copy has_got_reloc and has_non_got_reloc.  */
   1331  1.6  christos   edir->has_got_reloc |= eind->has_got_reloc;
   1332  1.6  christos   edir->has_non_got_reloc |= eind->has_non_got_reloc;
   1333  1.1  christos 
   1334  1.1  christos   _bfd_elf_link_hash_copy_indirect (info, dir, ind);
   1335  1.1  christos }
   1336  1.1  christos 
   1337  1.1  christos static int
   1338  1.1  christos sparc_elf_tls_transition (struct bfd_link_info *info, bfd *abfd,
   1339  1.1  christos 			  int r_type, int is_local)
   1340  1.1  christos {
   1341  1.1  christos   if (! ABI_64_P (abfd)
   1342  1.1  christos       && r_type == R_SPARC_TLS_GD_HI22
   1343  1.6  christos       && ! _bfd_sparc_elf_tdata (abfd)->has_tlsgd)
   1344  1.1  christos     return R_SPARC_REV32;
   1345  1.6  christos 
   1346  1.1  christos   if (!bfd_link_executable (info))
   1347  1.1  christos     return r_type;
   1348  1.1  christos 
   1349  1.1  christos   switch (r_type)
   1350  1.1  christos     {
   1351  1.6  christos     case R_SPARC_TLS_GD_HI22:
   1352  1.1  christos       return is_local ? R_SPARC_TLS_LE_HIX22 : R_SPARC_TLS_IE_HI22;
   1353  1.6  christos     case R_SPARC_TLS_GD_LO10:
   1354  1.1  christos       return is_local ? R_SPARC_TLS_LE_LOX10 : R_SPARC_TLS_IE_LO10;
   1355  1.1  christos     case R_SPARC_TLS_LDM_HI22:
   1356  1.1  christos       return R_SPARC_TLS_LE_HIX22;
   1357  1.1  christos     case R_SPARC_TLS_LDM_LO10:
   1358  1.6  christos       return R_SPARC_TLS_LE_LOX10;
   1359  1.6  christos     case R_SPARC_TLS_IE_HI22:
   1360  1.6  christos       return is_local ? R_SPARC_TLS_LE_HIX22 : r_type;
   1361  1.6  christos     case R_SPARC_TLS_IE_LO10:
   1362  1.1  christos       return is_local ? R_SPARC_TLS_LE_LOX10 : r_type;
   1363  1.1  christos     }
   1364  1.1  christos 
   1365  1.1  christos   return r_type;
   1366  1.1  christos }
   1367  1.1  christos 
   1368  1.1  christos /* Look through the relocs for a section during the first phase, and
   1370  1.1  christos    allocate space in the global offset table or procedure linkage
   1371  1.1  christos    table.  */
   1372  1.1  christos 
   1373  1.1  christos bfd_boolean
   1374  1.1  christos _bfd_sparc_elf_check_relocs (bfd *abfd, struct bfd_link_info *info,
   1375  1.1  christos 			     asection *sec, const Elf_Internal_Rela *relocs)
   1376  1.1  christos {
   1377  1.1  christos   struct _bfd_sparc_elf_link_hash_table *htab;
   1378  1.1  christos   Elf_Internal_Shdr *symtab_hdr;
   1379  1.1  christos   struct elf_link_hash_entry **sym_hashes;
   1380  1.1  christos   const Elf_Internal_Rela *rel;
   1381  1.1  christos   const Elf_Internal_Rela *rel_end;
   1382  1.1  christos   asection *sreloc;
   1383  1.1  christos   int num_relocs;
   1384  1.3  christos   bfd_boolean checked_tlsgd = FALSE;
   1385  1.1  christos 
   1386  1.1  christos   if (bfd_link_relocatable (info))
   1387  1.1  christos     return TRUE;
   1388  1.1  christos 
   1389  1.1  christos   htab = _bfd_sparc_elf_hash_table (info);
   1390  1.1  christos   BFD_ASSERT (htab != NULL);
   1391  1.1  christos   symtab_hdr = &elf_symtab_hdr (abfd);
   1392  1.1  christos   sym_hashes = elf_sym_hashes (abfd);
   1393  1.1  christos 
   1394  1.1  christos   sreloc = NULL;
   1395  1.1  christos 
   1396  1.1  christos   if (ABI_64_P (abfd))
   1397  1.1  christos     num_relocs = NUM_SHDR_ENTRIES (_bfd_elf_single_rel_hdr (sec));
   1398  1.1  christos   else
   1399  1.1  christos     num_relocs = sec->reloc_count;
   1400  1.1  christos 
   1401  1.1  christos   BFD_ASSERT (is_sparc_elf (abfd) || num_relocs == 0);
   1402  1.1  christos 
   1403  1.1  christos   if (htab->elf.dynobj == NULL)
   1404  1.1  christos     htab->elf.dynobj = abfd;
   1405  1.1  christos   if (!create_ifunc_sections (htab->elf.dynobj, info))
   1406  1.1  christos     return FALSE;
   1407  1.1  christos 
   1408  1.1  christos   rel_end = relocs + num_relocs;
   1409  1.1  christos   for (rel = relocs; rel < rel_end; rel++)
   1410  1.6  christos     {
   1411  1.1  christos       unsigned int r_type;
   1412  1.6  christos       unsigned int r_symndx;
   1413  1.1  christos       struct elf_link_hash_entry *h;
   1414  1.1  christos       struct _bfd_sparc_elf_link_hash_entry *eh;
   1415  1.1  christos       Elf_Internal_Sym *isym;
   1416  1.1  christos 
   1417  1.1  christos       r_symndx = SPARC_ELF_R_SYMNDX (htab, rel->r_info);
   1418  1.1  christos       r_type = SPARC_ELF_R_TYPE (rel->r_info);
   1419  1.1  christos 
   1420  1.6  christos       if (r_symndx >= NUM_SHDR_ENTRIES (symtab_hdr))
   1421  1.6  christos 	{
   1422  1.1  christos 	  /* xgettext:c-format */
   1423  1.1  christos 	  _bfd_error_handler (_("%pB: bad symbol index: %d"), abfd, r_symndx);
   1424  1.1  christos 	  return FALSE;
   1425  1.1  christos 	}
   1426  1.1  christos 
   1427  1.1  christos       isym = NULL;
   1428  1.1  christos       if (r_symndx < symtab_hdr->sh_info)
   1429  1.6  christos 	{
   1430  1.1  christos 	  /* A local symbol.  */
   1431  1.1  christos 	  isym = bfd_sym_from_r_symndx (&htab->sym_cache, abfd, r_symndx);
   1432  1.1  christos 	  if (isym == NULL)
   1433  1.1  christos 	    return FALSE;
   1434  1.1  christos 
   1435  1.1  christos 	  /* Check relocation against local STT_GNU_IFUNC symbol.  */
   1436  1.6  christos 	  if (ELF_ST_TYPE (isym->st_info) == STT_GNU_IFUNC)
   1437  1.1  christos 	    {
   1438  1.1  christos 	      h = elf_sparc_get_local_sym_hash (htab, abfd, rel, TRUE);
   1439  1.3  christos 	      if (h == NULL)
   1440  1.1  christos 		return FALSE;
   1441  1.1  christos 
   1442  1.1  christos 	      /* Fake a STT_GNU_IFUNC symbol.  */
   1443  1.1  christos 	      h->type = STT_GNU_IFUNC;
   1444  1.1  christos 	      h->def_regular = 1;
   1445  1.1  christos 	      h->ref_regular = 1;
   1446  1.1  christos 	      h->forced_local = 1;
   1447  1.1  christos 	      h->root.type = bfd_link_hash_defined;
   1448  1.1  christos 	    }
   1449  1.1  christos 	  else
   1450  1.1  christos 	    h = NULL;
   1451  1.1  christos 	}
   1452  1.1  christos       else
   1453  1.1  christos 	{
   1454  1.1  christos 	  h = sym_hashes[r_symndx - symtab_hdr->sh_info];
   1455  1.1  christos 	  while (h->root.type == bfd_link_hash_indirect
   1456  1.1  christos 		 || h->root.type == bfd_link_hash_warning)
   1457  1.1  christos 	    h = (struct elf_link_hash_entry *) h->root.u.i.link;
   1458  1.6  christos 	}
   1459  1.1  christos 
   1460  1.6  christos       if (h && h->type == STT_GNU_IFUNC && h->def_regular)
   1461  1.6  christos 	{
   1462  1.1  christos 	  h->ref_regular = 1;
   1463  1.1  christos 	  h->plt.refcount += 1;
   1464  1.1  christos 	}
   1465  1.1  christos 
   1466  1.1  christos       /* Compatibility with old R_SPARC_REV32 reloc conflicting
   1467  1.1  christos 	 with R_SPARC_TLS_GD_HI22.  */
   1468  1.1  christos       if (! ABI_64_P (abfd) && ! checked_tlsgd)
   1469  1.1  christos 	switch (r_type)
   1470  1.1  christos 	  {
   1471  1.1  christos 	  case R_SPARC_TLS_GD_HI22:
   1472  1.1  christos 	    {
   1473  1.1  christos 	      const Elf_Internal_Rela *relt;
   1474  1.1  christos 
   1475  1.1  christos 	      for (relt = rel + 1; relt < rel_end; relt++)
   1476  1.1  christos 		if (ELF32_R_TYPE (relt->r_info) == R_SPARC_TLS_GD_LO10
   1477  1.1  christos 		    || ELF32_R_TYPE (relt->r_info) == R_SPARC_TLS_GD_ADD
   1478  1.1  christos 		    || ELF32_R_TYPE (relt->r_info) == R_SPARC_TLS_GD_CALL)
   1479  1.1  christos 		  break;
   1480  1.1  christos 	      checked_tlsgd = TRUE;
   1481  1.1  christos 	      _bfd_sparc_elf_tdata (abfd)->has_tlsgd = relt < rel_end;
   1482  1.1  christos 	    }
   1483  1.1  christos 	    break;
   1484  1.1  christos 	  case R_SPARC_TLS_GD_LO10:
   1485  1.1  christos 	  case R_SPARC_TLS_GD_ADD:
   1486  1.1  christos 	  case R_SPARC_TLS_GD_CALL:
   1487  1.1  christos 	    checked_tlsgd = TRUE;
   1488  1.1  christos 	    _bfd_sparc_elf_tdata (abfd)->has_tlsgd = TRUE;
   1489  1.1  christos 	    break;
   1490  1.1  christos 	  }
   1491  1.6  christos 
   1492  1.6  christos       r_type = sparc_elf_tls_transition (info, abfd, r_type, h == NULL);
   1493  1.1  christos       eh = (struct _bfd_sparc_elf_link_hash_entry *) h;
   1494  1.1  christos 
   1495  1.1  christos       switch (r_type)
   1496  1.1  christos 	{
   1497  1.1  christos 	case R_SPARC_TLS_LDM_HI22:
   1498  1.6  christos 	case R_SPARC_TLS_LDM_LO10:
   1499  1.6  christos 	  htab->tls_ldm_got.refcount += 1;
   1500  1.1  christos 	  if (eh != NULL)
   1501  1.1  christos 	    eh->has_got_reloc = 1;
   1502  1.1  christos 	  break;
   1503  1.1  christos 
   1504  1.6  christos 	case R_SPARC_TLS_LE_HIX22:
   1505  1.1  christos 	case R_SPARC_TLS_LE_LOX10:
   1506  1.1  christos 	  if (!bfd_link_executable (info))
   1507  1.1  christos 	    goto r_sparc_plt32;
   1508  1.1  christos 	  break;
   1509  1.1  christos 
   1510  1.6  christos 	case R_SPARC_TLS_IE_HI22:
   1511  1.1  christos 	case R_SPARC_TLS_IE_LO10:
   1512  1.1  christos 	  if (!bfd_link_executable (info))
   1513  1.1  christos 	    info->flags |= DF_STATIC_TLS;
   1514  1.1  christos 	  /* Fall through */
   1515  1.1  christos 
   1516  1.1  christos 	case R_SPARC_GOT10:
   1517  1.1  christos 	case R_SPARC_GOT13:
   1518  1.1  christos 	case R_SPARC_GOT22:
   1519  1.1  christos 	case R_SPARC_GOTDATA_HIX22:
   1520  1.1  christos 	case R_SPARC_GOTDATA_LOX10:
   1521  1.1  christos 	case R_SPARC_GOTDATA_OP_HIX22:
   1522  1.1  christos 	case R_SPARC_GOTDATA_OP_LOX10:
   1523  1.1  christos 	case R_SPARC_TLS_GD_HI22:
   1524  1.1  christos 	case R_SPARC_TLS_GD_LO10:
   1525  1.1  christos 	  /* This symbol requires a global offset table entry.  */
   1526  1.1  christos 	  {
   1527  1.1  christos 	    int tls_type, old_tls_type;
   1528  1.1  christos 
   1529  1.1  christos 	    switch (r_type)
   1530  1.1  christos 	      {
   1531  1.1  christos 	      case R_SPARC_TLS_GD_HI22:
   1532  1.1  christos 	      case R_SPARC_TLS_GD_LO10:
   1533  1.1  christos 		tls_type = GOT_TLS_GD;
   1534  1.1  christos 		break;
   1535  1.1  christos 	      case R_SPARC_TLS_IE_HI22:
   1536  1.1  christos 	      case R_SPARC_TLS_IE_LO10:
   1537  1.6  christos 		tls_type = GOT_TLS_IE;
   1538  1.6  christos 		break;
   1539  1.6  christos 	      default:
   1540  1.1  christos 		tls_type = GOT_NORMAL;
   1541  1.1  christos 		break;
   1542  1.1  christos 	      }
   1543  1.1  christos 
   1544  1.1  christos 	    if (h != NULL)
   1545  1.1  christos 	      {
   1546  1.1  christos 		h->got.refcount += 1;
   1547  1.1  christos 		old_tls_type = _bfd_sparc_elf_hash_entry(h)->tls_type;
   1548  1.1  christos 	      }
   1549  1.1  christos 	    else
   1550  1.1  christos 	      {
   1551  1.1  christos 		bfd_signed_vma *local_got_refcounts;
   1552  1.1  christos 
   1553  1.1  christos 		/* This is a global offset table entry for a local symbol.  */
   1554  1.1  christos 		local_got_refcounts = elf_local_got_refcounts (abfd);
   1555  1.1  christos 		if (local_got_refcounts == NULL)
   1556  1.1  christos 		  {
   1557  1.1  christos 		    bfd_size_type size;
   1558  1.1  christos 
   1559  1.1  christos 		    size = symtab_hdr->sh_info;
   1560  1.1  christos 		    size *= (sizeof (bfd_signed_vma) + sizeof(char));
   1561  1.1  christos 		    local_got_refcounts = ((bfd_signed_vma *)
   1562  1.1  christos 					   bfd_zalloc (abfd, size));
   1563  1.1  christos 		    if (local_got_refcounts == NULL)
   1564  1.1  christos 		      return FALSE;
   1565  1.1  christos 		    elf_local_got_refcounts (abfd) = local_got_refcounts;
   1566  1.1  christos 		    _bfd_sparc_elf_local_got_tls_type (abfd)
   1567  1.1  christos 		      = (char *) (local_got_refcounts + symtab_hdr->sh_info);
   1568  1.6  christos 		  }
   1569  1.6  christos 
   1570  1.6  christos 		if (r_type != R_SPARC_GOTDATA_OP_HIX22
   1571  1.6  christos 		    && r_type != R_SPARC_GOTDATA_OP_LOX10)
   1572  1.6  christos 		  local_got_refcounts[r_symndx] += 1;
   1573  1.6  christos 
   1574  1.1  christos 		old_tls_type
   1575  1.1  christos 		  = _bfd_sparc_elf_local_got_tls_type (abfd) [r_symndx];
   1576  1.6  christos 	      }
   1577  1.6  christos 
   1578  1.6  christos 	    /* If a TLS symbol is accessed using IE at least once, there is no
   1579  1.1  christos 	       point in using the dynamic model for it.  */
   1580  1.6  christos 	    if (old_tls_type != tls_type)
   1581  1.6  christos 	      {
   1582  1.6  christos 		if (old_tls_type == GOT_UNKNOWN)
   1583  1.6  christos 		  ;
   1584  1.6  christos 		else if (old_tls_type == GOT_TLS_GD && tls_type == GOT_TLS_IE)
   1585  1.1  christos 		  ;
   1586  1.1  christos 		else if (old_tls_type == GOT_TLS_IE && tls_type == GOT_TLS_GD)
   1587  1.1  christos 		  tls_type = old_tls_type;
   1588  1.6  christos 		else
   1589  1.6  christos 		  {
   1590  1.6  christos 		    _bfd_error_handler
   1591  1.1  christos 		      /* xgettext:c-format */
   1592  1.1  christos 		      (_("%pB: `%s' accessed both as normal and thread local symbol"),
   1593  1.1  christos 		       abfd, h ? h->root.root.string : "<local>");
   1594  1.1  christos 		    return FALSE;
   1595  1.1  christos 		  }
   1596  1.1  christos 
   1597  1.1  christos 		if (h != NULL)
   1598  1.1  christos 		  _bfd_sparc_elf_hash_entry (h)->tls_type = tls_type;
   1599  1.1  christos 		else
   1600  1.1  christos 		  _bfd_sparc_elf_local_got_tls_type (abfd) [r_symndx] = tls_type;
   1601  1.1  christos 	      }
   1602  1.6  christos 	  }
   1603  1.6  christos 
   1604  1.6  christos 	  if (!htab->elf.sgot
   1605  1.6  christos 	      && !_bfd_elf_create_got_section (htab->elf.dynobj, info))
   1606  1.6  christos 	    return FALSE;
   1607  1.1  christos 
   1608  1.6  christos 	  if (eh != NULL)
   1609  1.6  christos 	    {
   1610  1.6  christos 	      eh->has_got_reloc = 1;
   1611  1.6  christos 	      if (r_type == R_SPARC_GOT10
   1612  1.6  christos 		  || r_type == R_SPARC_GOT13
   1613  1.1  christos 		  || r_type == R_SPARC_GOT22)
   1614  1.1  christos 		eh->has_old_style_got_reloc = 1;
   1615  1.1  christos 	    }
   1616  1.1  christos 	  break;
   1617  1.1  christos 
   1618  1.6  christos 	case R_SPARC_TLS_GD_CALL:
   1619  1.1  christos 	case R_SPARC_TLS_LDM_CALL:
   1620  1.6  christos 	  if (bfd_link_executable (info))
   1621  1.6  christos 	    break;
   1622  1.6  christos 
   1623  1.6  christos 	  /* Essentially R_SPARC_WPLT30 relocs against __tls_get_addr.  */
   1624  1.6  christos 	  h = (struct elf_link_hash_entry *)
   1625  1.6  christos 	       bfd_link_hash_lookup (info->hash, "__tls_get_addr", FALSE,
   1626  1.1  christos 				     FALSE, TRUE);
   1627  1.1  christos 	  BFD_ASSERT (h != NULL);
   1628  1.6  christos 	  /* Fall through */
   1629  1.1  christos 
   1630  1.6  christos 	case R_SPARC_WPLT30:
   1631  1.1  christos 	case R_SPARC_PLT32:
   1632  1.1  christos 	case R_SPARC_PLT64:
   1633  1.1  christos 	case R_SPARC_HIPLT22:
   1634  1.1  christos 	case R_SPARC_LOPLT10:
   1635  1.1  christos 	case R_SPARC_PCPLT32:
   1636  1.6  christos 	case R_SPARC_PCPLT22:
   1637  1.6  christos 	case R_SPARC_PCPLT10:
   1638  1.1  christos 	  /* This symbol requires a procedure linkage table entry.
   1639  1.1  christos 	     We actually build the entry in adjust_dynamic_symbol,
   1640  1.1  christos 	     because this might be a case of linking PIC code without
   1641  1.1  christos 	     linking in any dynamic objects, in which case we don't
   1642  1.1  christos 	     need to generate a procedure linkage table after all.  */
   1643  1.1  christos 
   1644  1.1  christos 	  if (h == NULL)
   1645  1.1  christos 	    {
   1646  1.1  christos 	      if (! ABI_64_P (abfd))
   1647  1.1  christos 		{
   1648  1.1  christos 		  /* The Solaris native assembler will generate a WPLT30
   1649  1.1  christos 		     reloc for a local symbol if you assemble a call from
   1650  1.6  christos 		     one section to another when using -K pic.  We treat
   1651  1.1  christos 		     it as WDISP30.  */
   1652  1.1  christos 		  if (r_type == R_SPARC_PLT32)
   1653  1.1  christos 		    goto r_sparc_plt32;
   1654  1.1  christos 		  break;
   1655  1.1  christos 		}
   1656  1.1  christos 	      /* PR 7027: We need similar behaviour for 64-bit binaries.  */
   1657  1.1  christos 	      else if (r_type == R_SPARC_WPLT30)
   1658  1.1  christos 		break;
   1659  1.6  christos 
   1660  1.1  christos 	      /* It does not make sense to have a procedure linkage
   1661  1.1  christos 		 table entry for a local symbol.  */
   1662  1.1  christos 	      bfd_set_error (bfd_error_bad_value);
   1663  1.1  christos 	      return FALSE;
   1664  1.1  christos 	    }
   1665  1.1  christos 
   1666  1.6  christos 	  h->needs_plt = 1;
   1667  1.6  christos 
   1668  1.1  christos 	  if (r_type == R_SPARC_PLT32 || r_type == R_SPARC_PLT64)
   1669  1.1  christos 	    goto r_sparc_plt32;
   1670  1.6  christos 
   1671  1.6  christos 	  h->plt.refcount += 1;
   1672  1.6  christos 
   1673  1.1  christos 	  eh = (struct _bfd_sparc_elf_link_hash_entry *) h;
   1674  1.1  christos 	  eh->has_got_reloc = 1;
   1675  1.1  christos 	  break;
   1676  1.1  christos 
   1677  1.1  christos 	case R_SPARC_PC10:
   1678  1.1  christos 	case R_SPARC_PC22:
   1679  1.1  christos 	case R_SPARC_PC_HH22:
   1680  1.1  christos 	case R_SPARC_PC_HM10:
   1681  1.1  christos 	case R_SPARC_PC_LM22:
   1682  1.1  christos 	  if (h != NULL)
   1683  1.1  christos 	    h->non_got_ref = 1;
   1684  1.1  christos 
   1685  1.1  christos 	  if (h != NULL
   1686  1.1  christos 	      && strcmp (h->root.root.string, "_GLOBAL_OFFSET_TABLE_") == 0)
   1687  1.1  christos 	    break;
   1688  1.1  christos 	  /* Fall through.  */
   1689  1.1  christos 
   1690  1.1  christos 	case R_SPARC_DISP8:
   1691  1.1  christos 	case R_SPARC_DISP16:
   1692  1.1  christos 	case R_SPARC_DISP32:
   1693  1.1  christos 	case R_SPARC_DISP64:
   1694  1.1  christos 	case R_SPARC_WDISP30:
   1695  1.1  christos 	case R_SPARC_WDISP22:
   1696  1.1  christos 	case R_SPARC_WDISP19:
   1697  1.1  christos 	case R_SPARC_WDISP16:
   1698  1.1  christos 	case R_SPARC_WDISP10:
   1699  1.1  christos 	case R_SPARC_8:
   1700  1.1  christos 	case R_SPARC_16:
   1701  1.1  christos 	case R_SPARC_32:
   1702  1.1  christos 	case R_SPARC_HI22:
   1703  1.1  christos 	case R_SPARC_22:
   1704  1.1  christos 	case R_SPARC_13:
   1705  1.1  christos 	case R_SPARC_LO10:
   1706  1.1  christos 	case R_SPARC_UA16:
   1707  1.1  christos 	case R_SPARC_UA32:
   1708  1.1  christos 	case R_SPARC_10:
   1709  1.1  christos 	case R_SPARC_11:
   1710  1.1  christos 	case R_SPARC_64:
   1711  1.1  christos 	case R_SPARC_OLO10:
   1712  1.1  christos 	case R_SPARC_HH22:
   1713  1.1  christos 	case R_SPARC_HM10:
   1714  1.1  christos 	case R_SPARC_LM22:
   1715  1.1  christos 	case R_SPARC_7:
   1716  1.1  christos 	case R_SPARC_5:
   1717  1.1  christos 	case R_SPARC_6:
   1718  1.1  christos 	case R_SPARC_HIX22:
   1719  1.1  christos 	case R_SPARC_LOX10:
   1720  1.1  christos 	case R_SPARC_H44:
   1721  1.1  christos 	case R_SPARC_M44:
   1722  1.1  christos 	case R_SPARC_L44:
   1723  1.1  christos 	case R_SPARC_H34:
   1724  1.1  christos 	case R_SPARC_UA64:
   1725  1.1  christos 	  if (h != NULL)
   1726  1.6  christos 	    h->non_got_ref = 1;
   1727  1.6  christos 
   1728  1.6  christos 	  if (eh != NULL && (sec->flags & SEC_CODE) != 0)
   1729  1.1  christos 	    eh->has_non_got_reloc = 1;
   1730  1.3  christos 
   1731  1.1  christos 	r_sparc_plt32:
   1732  1.1  christos 	  if (h != NULL && !bfd_link_pic (info))
   1733  1.1  christos 	    {
   1734  1.1  christos 	      /* We may need a .plt entry if the function this reloc
   1735  1.1  christos 		 refers to is in a shared lib.  */
   1736  1.1  christos 	      h->plt.refcount += 1;
   1737  1.1  christos 	    }
   1738  1.1  christos 
   1739  1.1  christos 	  /* If we are creating a shared library, and this is a reloc
   1740  1.1  christos 	     against a global symbol, or a non PC relative reloc
   1741  1.1  christos 	     against a local symbol, then we need to copy the reloc
   1742  1.1  christos 	     into the shared library.  However, if we are linking with
   1743  1.1  christos 	     -Bsymbolic, we do not need to copy a reloc against a
   1744  1.1  christos 	     global symbol which is defined in an object we are
   1745  1.1  christos 	     including in the link (i.e., DEF_REGULAR is set).  At
   1746  1.1  christos 	     this point we have not seen all the input files, so it is
   1747  1.1  christos 	     possible that DEF_REGULAR is not set now but will be set
   1748  1.1  christos 	     later (it is never cleared).  In case of a weak definition,
   1749  1.1  christos 	     DEF_REGULAR may be cleared later by a strong definition in
   1750  1.1  christos 	     a shared library.  We account for that possibility below by
   1751  1.1  christos 	     storing information in the relocs_copied field of the hash
   1752  1.1  christos 	     table entry.  A similar situation occurs when creating
   1753  1.1  christos 	     shared libraries and symbol visibility changes render the
   1754  1.1  christos 	     symbol local.
   1755  1.1  christos 
   1756  1.1  christos 	     If on the other hand, we are creating an executable, we
   1757  1.1  christos 	     may need to keep relocations for symbols satisfied by a
   1758  1.3  christos 	     dynamic library if we manage to avoid copy relocs for the
   1759  1.1  christos 	     symbol.  */
   1760  1.1  christos 	  if ((bfd_link_pic (info)
   1761  1.1  christos 	       && (sec->flags & SEC_ALLOC) != 0
   1762  1.1  christos 	       && (! _bfd_sparc_elf_howto_table[r_type].pc_relative
   1763  1.1  christos 		   || (h != NULL
   1764  1.1  christos 		       && (! SYMBOLIC_BIND (info, h)
   1765  1.3  christos 			   || h->root.type == bfd_link_hash_defweak
   1766  1.1  christos 			   || !h->def_regular))))
   1767  1.1  christos 	      || (!bfd_link_pic (info)
   1768  1.1  christos 		  && (sec->flags & SEC_ALLOC) != 0
   1769  1.1  christos 		  && h != NULL
   1770  1.3  christos 		  && (h->root.type == bfd_link_hash_defweak
   1771  1.1  christos 		      || !h->def_regular))
   1772  1.1  christos 	      || (!bfd_link_pic (info)
   1773  1.1  christos 		  && h != NULL
   1774  1.6  christos 		  && h->type == STT_GNU_IFUNC))
   1775  1.6  christos 	    {
   1776  1.1  christos 	      struct elf_dyn_relocs *p;
   1777  1.1  christos 	      struct elf_dyn_relocs **head;
   1778  1.1  christos 
   1779  1.1  christos 	      /* When creating a shared object, we must copy these
   1780  1.1  christos 		 relocs into the output file.  We create a reloc
   1781  1.1  christos 		 section in dynobj and make room for the reloc.  */
   1782  1.1  christos 	      if (sreloc == NULL)
   1783  1.1  christos 		{
   1784  1.1  christos 		  sreloc = _bfd_elf_make_dynamic_reloc_section
   1785  1.1  christos 		    (sec, htab->elf.dynobj, htab->word_align_power,
   1786  1.1  christos 		     abfd, /*rela?*/ TRUE);
   1787  1.1  christos 
   1788  1.1  christos 		  if (sreloc == NULL)
   1789  1.1  christos 		    return FALSE;
   1790  1.1  christos 		}
   1791  1.1  christos 
   1792  1.1  christos 	      /* If this is a global symbol, we count the number of
   1793  1.1  christos 		 relocations we need for this symbol.  */
   1794  1.1  christos 	      if (h != NULL)
   1795  1.1  christos 		head = &((struct _bfd_sparc_elf_link_hash_entry *) h)->dyn_relocs;
   1796  1.1  christos 	      else
   1797  1.1  christos 		{
   1798  1.1  christos 		  /* Track dynamic relocs needed for local syms too.
   1799  1.1  christos 		     We really need local syms available to do this
   1800  1.1  christos 		     easily.  Oh well.  */
   1801  1.1  christos 		  asection *s;
   1802  1.1  christos 		  void *vpp;
   1803  1.1  christos 
   1804  1.1  christos 		  BFD_ASSERT (isym != NULL);
   1805  1.1  christos 		  s = bfd_section_from_elf_index (abfd, isym->st_shndx);
   1806  1.1  christos 		  if (s == NULL)
   1807  1.1  christos 		    s = sec;
   1808  1.6  christos 
   1809  1.1  christos 		  vpp = &elf_section_data (s)->local_dynrel;
   1810  1.1  christos 		  head = (struct elf_dyn_relocs **) vpp;
   1811  1.1  christos 		}
   1812  1.1  christos 
   1813  1.1  christos 	      p = *head;
   1814  1.1  christos 	      if (p == NULL || p->sec != sec)
   1815  1.6  christos 		{
   1816  1.1  christos 		  bfd_size_type amt = sizeof *p;
   1817  1.1  christos 		  p = ((struct elf_dyn_relocs *)
   1818  1.1  christos 		       bfd_alloc (htab->elf.dynobj, amt));
   1819  1.1  christos 		  if (p == NULL)
   1820  1.1  christos 		    return FALSE;
   1821  1.1  christos 		  p->next = *head;
   1822  1.1  christos 		  *head = p;
   1823  1.1  christos 		  p->sec = sec;
   1824  1.1  christos 		  p->count = 0;
   1825  1.1  christos 		  p->pc_count = 0;
   1826  1.1  christos 		}
   1827  1.1  christos 
   1828  1.1  christos 	      p->count += 1;
   1829  1.1  christos 	      if (_bfd_sparc_elf_howto_table[r_type].pc_relative)
   1830  1.1  christos 		p->pc_count += 1;
   1831  1.1  christos 	    }
   1832  1.1  christos 
   1833  1.1  christos 	  break;
   1834  1.1  christos 
   1835  1.1  christos 	case R_SPARC_GNU_VTINHERIT:
   1836  1.1  christos 	  if (!bfd_elf_gc_record_vtinherit (abfd, sec, h, rel->r_offset))
   1837  1.1  christos 	    return FALSE;
   1838  1.1  christos 	  break;
   1839  1.7  christos 
   1840  1.1  christos 	case R_SPARC_GNU_VTENTRY:
   1841  1.1  christos 	  if (!bfd_elf_gc_record_vtentry (abfd, sec, h, rel->r_addend))
   1842  1.1  christos 	    return FALSE;
   1843  1.1  christos 	  break;
   1844  1.1  christos 
   1845  1.1  christos 	case R_SPARC_REGISTER:
   1846  1.1  christos 	  /* Nothing to do.  */
   1847  1.1  christos 	  break;
   1848  1.1  christos 
   1849  1.1  christos 	default:
   1850  1.1  christos 	  break;
   1851  1.1  christos 	}
   1852  1.1  christos     }
   1853  1.1  christos 
   1854  1.1  christos   return TRUE;
   1855  1.1  christos }
   1856  1.1  christos 
   1857  1.1  christos asection *
   1859  1.1  christos _bfd_sparc_elf_gc_mark_hook (asection *sec,
   1860  1.1  christos 			     struct bfd_link_info *info,
   1861  1.1  christos 			     Elf_Internal_Rela *rel,
   1862  1.1  christos 			     struct elf_link_hash_entry *h,
   1863  1.1  christos 			     Elf_Internal_Sym *sym)
   1864  1.1  christos {
   1865  1.1  christos   if (h != NULL)
   1866  1.1  christos     switch (SPARC_ELF_R_TYPE (rel->r_info))
   1867  1.1  christos       {
   1868  1.1  christos       case R_SPARC_GNU_VTINHERIT:
   1869  1.1  christos       case R_SPARC_GNU_VTENTRY:
   1870  1.6  christos 	return NULL;
   1871  1.1  christos       }
   1872  1.1  christos 
   1873  1.1  christos   if (!bfd_link_executable (info))
   1874  1.1  christos     {
   1875  1.1  christos       switch (SPARC_ELF_R_TYPE (rel->r_info))
   1876  1.1  christos 	{
   1877  1.1  christos 	case R_SPARC_TLS_GD_CALL:
   1878  1.1  christos 	case R_SPARC_TLS_LDM_CALL:
   1879  1.1  christos 	  /* This reloc implicitly references __tls_get_addr.  We know
   1880  1.1  christos 	     another reloc will reference the same symbol as the one
   1881  1.1  christos 	     on this reloc, so the real symbol and section will be
   1882  1.1  christos 	     gc marked when processing the other reloc.  That lets
   1883  1.1  christos 	     us handle __tls_get_addr here.  */
   1884  1.1  christos 	  h = elf_link_hash_lookup (elf_hash_table (info), "__tls_get_addr",
   1885  1.6  christos 				    FALSE, FALSE, TRUE);
   1886  1.6  christos 	  BFD_ASSERT (h != NULL);
   1887  1.1  christos 	  h->mark = 1;
   1888  1.1  christos 	  if (h->is_weakalias)
   1889  1.1  christos 	    weakdef (h)->mark = 1;
   1890  1.1  christos 	  sym = NULL;
   1891  1.1  christos 	}
   1892  1.1  christos     }
   1893  1.1  christos 
   1894  1.1  christos   return _bfd_elf_gc_mark_hook (sec, info, rel, h, sym);
   1895  1.1  christos }
   1896  1.1  christos 
   1897  1.1  christos static Elf_Internal_Rela *
   1898  1.1  christos sparc_elf_find_reloc_at_ofs (Elf_Internal_Rela *rel,
   1899  1.1  christos 			     Elf_Internal_Rela *relend,
   1900  1.1  christos 			     bfd_vma offset)
   1901  1.1  christos {
   1902  1.1  christos   while (rel < relend)
   1903  1.1  christos     {
   1904  1.1  christos       if (rel->r_offset == offset)
   1905  1.1  christos 	return rel;
   1906  1.1  christos       rel++;
   1907  1.1  christos     }
   1908  1.6  christos   return NULL;
   1909  1.6  christos }
   1910  1.6  christos 
   1911  1.1  christos /* Remove undefined weak symbol from the dynamic symbol table if it
   1912  1.6  christos    is resolved to 0.   */
   1913  1.6  christos 
   1914  1.1  christos bfd_boolean
   1915  1.6  christos _bfd_sparc_elf_fixup_symbol (struct bfd_link_info *info,
   1916  1.6  christos 			     struct elf_link_hash_entry *h)
   1917  1.6  christos {
   1918  1.6  christos   if (h->dynindx != -1
   1919  1.6  christos       && UNDEFINED_WEAK_RESOLVED_TO_ZERO (info,
   1920  1.6  christos 					  _bfd_sparc_elf_hash_entry (h)))
   1921  1.6  christos     {
   1922  1.6  christos       h->dynindx = -1;
   1923  1.6  christos       _bfd_elf_strtab_delref (elf_hash_table (info)->dynstr,
   1924  1.6  christos 			      h->dynstr_index);
   1925  1.1  christos     }
   1926  1.6  christos   return TRUE;
   1927  1.1  christos }
   1928  1.6  christos 
   1929  1.6  christos /* Find dynamic relocs for H that apply to read-only sections.  */
   1930  1.6  christos 
   1931  1.6  christos static asection *
   1932  1.1  christos readonly_dynrelocs (struct elf_link_hash_entry *h)
   1933  1.6  christos {
   1934  1.1  christos   struct elf_dyn_relocs *p;
   1935  1.6  christos 
   1936  1.1  christos   for (p = _bfd_sparc_elf_hash_entry (h)->dyn_relocs; p != NULL; p = p->next)
   1937  1.6  christos     {
   1938  1.6  christos       asection *s = p->sec->output_section;
   1939  1.1  christos 
   1940  1.6  christos       if (s != NULL && (s->flags & SEC_READONLY) != 0)
   1941  1.1  christos 	return p->sec;
   1942  1.1  christos     }
   1943  1.1  christos   return NULL;
   1944  1.1  christos }
   1945  1.1  christos 
   1946  1.1  christos /* Adjust a symbol defined by a dynamic object and referenced by a
   1947  1.1  christos    regular object.  The current definition is in some section of the
   1948  1.1  christos    dynamic object, but we're not including those sections.  We have to
   1949  1.1  christos    change the definition to something the rest of the link can
   1950  1.1  christos    understand.  */
   1951  1.1  christos 
   1952  1.1  christos bfd_boolean
   1953  1.1  christos _bfd_sparc_elf_adjust_dynamic_symbol (struct bfd_link_info *info,
   1954  1.6  christos 				     struct elf_link_hash_entry *h)
   1955  1.1  christos {
   1956  1.1  christos   struct _bfd_sparc_elf_link_hash_table *htab;
   1957  1.1  christos   asection *s, *srel;
   1958  1.1  christos 
   1959  1.1  christos   htab = _bfd_sparc_elf_hash_table (info);
   1960  1.1  christos   BFD_ASSERT (htab != NULL);
   1961  1.1  christos 
   1962  1.1  christos   /* Make sure we know what is going on here.  */
   1963  1.6  christos   BFD_ASSERT (htab->elf.dynobj != NULL
   1964  1.1  christos 	      && (h->needs_plt
   1965  1.1  christos 		  || h->type == STT_GNU_IFUNC
   1966  1.1  christos 		  || h->is_weakalias
   1967  1.1  christos 		  || (h->def_dynamic
   1968  1.1  christos 		      && h->ref_regular
   1969  1.1  christos 		      && !h->def_regular)));
   1970  1.1  christos 
   1971  1.1  christos   /* If this is a function, put it in the procedure linkage table.  We
   1972  1.1  christos      will fill in the contents of the procedure linkage table later
   1973  1.1  christos      (although we could actually do it here).  The STT_NOTYPE
   1974  1.1  christos      condition is a hack specifically for the Oracle libraries
   1975  1.1  christos      delivered for Solaris; for some inexplicable reason, they define
   1976  1.1  christos      some of their functions as STT_NOTYPE when they really should be
   1977  1.1  christos      STT_FUNC.  */
   1978  1.1  christos   if (h->type == STT_FUNC
   1979  1.1  christos       || h->type == STT_GNU_IFUNC
   1980  1.1  christos       || h->needs_plt
   1981  1.1  christos       || (h->type == STT_NOTYPE
   1982  1.1  christos 	  && (h->root.type == bfd_link_hash_defined
   1983  1.1  christos 	      || h->root.type == bfd_link_hash_defweak)
   1984  1.1  christos 	  && (h->root.u.def.section->flags & SEC_CODE) != 0))
   1985  1.1  christos     {
   1986  1.6  christos       if (h->plt.refcount <= 0
   1987  1.6  christos 	  || (h->type != STT_GNU_IFUNC
   1988  1.1  christos 	      && (SYMBOL_CALLS_LOCAL (info, h)
   1989  1.1  christos 		  || (h->root.type == bfd_link_hash_undefweak
   1990  1.1  christos 		      && ELF_ST_VISIBILITY (h->other) != STV_DEFAULT))))
   1991  1.1  christos 	{
   1992  1.1  christos 	  /* This case can occur if we saw a WPLT30 reloc in an input
   1993  1.1  christos 	     file, but the symbol was never referred to by a dynamic
   1994  1.1  christos 	     object, or if all references were garbage collected.  In
   1995  1.1  christos 	     such a case, we don't actually need to build a procedure
   1996  1.1  christos 	     linkage table, and we can just do a WDISP30 reloc instead.  */
   1997  1.1  christos 	  h->plt.offset = (bfd_vma) -1;
   1998  1.1  christos 	  h->needs_plt = 0;
   1999  1.1  christos 	}
   2000  1.1  christos 
   2001  1.1  christos       return TRUE;
   2002  1.1  christos     }
   2003  1.1  christos   else
   2004  1.1  christos     h->plt.offset = (bfd_vma) -1;
   2005  1.1  christos 
   2006  1.6  christos   /* If this is a weak symbol, and there is a real definition, the
   2007  1.1  christos      processor independent code will have arranged for us to see the
   2008  1.6  christos      real definition first, and we can just use the same value.  */
   2009  1.6  christos   if (h->is_weakalias)
   2010  1.6  christos     {
   2011  1.6  christos       struct elf_link_hash_entry *def = weakdef (h);
   2012  1.1  christos       BFD_ASSERT (def->root.type == bfd_link_hash_defined);
   2013  1.1  christos       h->root.u.def.section = def->root.u.def.section;
   2014  1.1  christos       h->root.u.def.value = def->root.u.def.value;
   2015  1.1  christos       return TRUE;
   2016  1.1  christos     }
   2017  1.1  christos 
   2018  1.1  christos   /* This is a reference to a symbol defined by a dynamic object which
   2019  1.1  christos      is not a function.  */
   2020  1.1  christos 
   2021  1.1  christos   /* If we are creating a shared library, we must presume that the
   2022  1.3  christos      only references to the symbol are via the global offset table.
   2023  1.1  christos      For such cases we need not do anything here; the relocations will
   2024  1.1  christos      be handled correctly by relocate_section.  */
   2025  1.1  christos   if (bfd_link_pic (info))
   2026  1.1  christos     return TRUE;
   2027  1.1  christos 
   2028  1.1  christos   /* If there are no references to this symbol that do not use the
   2029  1.1  christos      GOT, we don't need to generate a copy reloc.  */
   2030  1.1  christos   if (!h->non_got_ref)
   2031  1.1  christos     return TRUE;
   2032  1.1  christos 
   2033  1.1  christos   /* If -z nocopyreloc was given, we won't generate them either.  */
   2034  1.1  christos   if (info->nocopyreloc)
   2035  1.1  christos     {
   2036  1.1  christos       h->non_got_ref = 0;
   2037  1.6  christos       return TRUE;
   2038  1.1  christos     }
   2039  1.6  christos 
   2040  1.1  christos   /* If we don't find any dynamic relocs in read-only sections, then
   2041  1.1  christos      we'll be keeping the dynamic relocs and avoiding the copy reloc.  */
   2042  1.1  christos   if (!readonly_dynrelocs (h))
   2043  1.1  christos     {
   2044  1.1  christos       h->non_got_ref = 0;
   2045  1.1  christos       return TRUE;
   2046  1.1  christos     }
   2047  1.1  christos 
   2048  1.1  christos   /* We must allocate the symbol in our .dynbss section, which will
   2049  1.1  christos      become part of the .bss section of the executable.  There will be
   2050  1.1  christos      an entry for this symbol in the .dynsym section.  The dynamic
   2051  1.1  christos      object will contain position independent code, so all references
   2052  1.1  christos      from the dynamic object to this symbol will go through the global
   2053  1.1  christos      offset table.  The dynamic linker will use the .dynsym entry to
   2054  1.1  christos      determine the address it must put in the global offset table, so
   2055  1.1  christos      both the dynamic object and the regular object will refer to the
   2056  1.1  christos      same memory location for the variable.  */
   2057  1.1  christos 
   2058  1.1  christos   /* We must generate a R_SPARC_COPY reloc to tell the dynamic linker
   2059  1.6  christos      to copy the initial value out of the dynamic object and into the
   2060  1.6  christos      runtime process image.  We need to remember the offset into the
   2061  1.6  christos      .rel.bss section we are going to use.  */
   2062  1.6  christos   if ((h->root.u.def.section->flags & SEC_READONLY) != 0)
   2063  1.6  christos     {
   2064  1.6  christos       s = htab->elf.sdynrelro;
   2065  1.6  christos       srel = htab->elf.sreldynrelro;
   2066  1.6  christos     }
   2067  1.6  christos   else
   2068  1.6  christos     {
   2069  1.1  christos       s = htab->elf.sdynbss;
   2070  1.1  christos       srel = htab->elf.srelbss;
   2071  1.6  christos     }
   2072  1.1  christos   if ((h->root.u.def.section->flags & SEC_ALLOC) != 0 && h->size != 0)
   2073  1.1  christos     {
   2074  1.1  christos       srel->size += SPARC_ELF_RELA_BYTES (htab);
   2075  1.3  christos       h->needs_copy = 1;
   2076  1.1  christos     }
   2077  1.1  christos 
   2078  1.1  christos   return _bfd_elf_adjust_dynamic_copy (info, h, s);
   2079  1.1  christos }
   2080  1.1  christos 
   2081  1.1  christos /* Allocate space in .plt, .got and associated reloc sections for
   2082  1.1  christos    dynamic relocs.  */
   2083  1.1  christos 
   2084  1.1  christos static bfd_boolean
   2085  1.1  christos allocate_dynrelocs (struct elf_link_hash_entry *h, void * inf)
   2086  1.1  christos {
   2087  1.6  christos   struct bfd_link_info *info;
   2088  1.6  christos   struct _bfd_sparc_elf_link_hash_table *htab;
   2089  1.1  christos   struct _bfd_sparc_elf_link_hash_entry *eh;
   2090  1.1  christos   struct elf_dyn_relocs *p;
   2091  1.1  christos   bfd_boolean resolved_to_zero;
   2092  1.1  christos 
   2093  1.1  christos   if (h->root.type == bfd_link_hash_indirect)
   2094  1.1  christos     return TRUE;
   2095  1.1  christos 
   2096  1.1  christos   info = (struct bfd_link_info *) inf;
   2097  1.6  christos   htab = _bfd_sparc_elf_hash_table (info);
   2098  1.6  christos   BFD_ASSERT (htab != NULL);
   2099  1.6  christos 
   2100  1.1  christos   eh = (struct _bfd_sparc_elf_link_hash_entry *) h;
   2101  1.1  christos   resolved_to_zero = UNDEFINED_WEAK_RESOLVED_TO_ZERO (info, eh);
   2102  1.1  christos 
   2103  1.1  christos   if ((htab->elf.dynamic_sections_created
   2104  1.1  christos        && h->plt.refcount > 0)
   2105  1.1  christos       || (h->type == STT_GNU_IFUNC
   2106  1.6  christos 	  && h->def_regular
   2107  1.6  christos 	  && h->ref_regular))
   2108  1.6  christos     {
   2109  1.6  christos       /* Undefined weak syms won't yet be marked as dynamic.  */
   2110  1.1  christos       if (h->root.type == bfd_link_hash_undefweak
   2111  1.1  christos 	  && !resolved_to_zero
   2112  1.1  christos 	  && h->dynindx == -1
   2113  1.1  christos 	  && !h->forced_local)
   2114  1.1  christos 	{
   2115  1.1  christos 	  if (! bfd_elf_link_record_dynamic_symbol (info, h))
   2116  1.3  christos 	    return FALSE;
   2117  1.1  christos 	}
   2118  1.1  christos 
   2119  1.1  christos       if (WILL_CALL_FINISH_DYNAMIC_SYMBOL (1, bfd_link_pic (info), h)
   2120  1.1  christos 	  || (h->type == STT_GNU_IFUNC
   2121  1.1  christos 	      && h->def_regular))
   2122  1.1  christos 	{
   2123  1.1  christos 	  asection *s = htab->elf.splt;
   2124  1.1  christos 
   2125  1.1  christos 	  if (s == NULL)
   2126  1.1  christos 	    s = htab->elf.iplt;
   2127  1.1  christos 
   2128  1.1  christos 	  /* Allocate room for the header.  */
   2129  1.1  christos 	  if (s->size == 0)
   2130  1.1  christos 	    {
   2131  1.3  christos 	      s->size = htab->plt_header_size;
   2132  1.1  christos 
   2133  1.1  christos 	      /* Allocate space for the .rela.plt.unloaded relocations.  */
   2134  1.1  christos 	      if (htab->is_vxworks && !bfd_link_pic (info))
   2135  1.1  christos 		htab->srelplt2->size = sizeof (Elf32_External_Rela) * 2;
   2136  1.1  christos 	    }
   2137  1.1  christos 
   2138  1.1  christos 	  /* The procedure linkage table size is bounded by the magnitude
   2139  1.1  christos 	     of the offset we can describe in the entry.  */
   2140  1.1  christos 	  if (s->size >= (SPARC_ELF_WORD_BYTES(htab) == 8 ?
   2141  1.1  christos 			  (((bfd_vma)1 << 31) << 1) : 0x400000))
   2142  1.1  christos 	    {
   2143  1.1  christos 	      bfd_set_error (bfd_error_bad_value);
   2144  1.1  christos 	      return FALSE;
   2145  1.1  christos 	    }
   2146  1.1  christos 
   2147  1.1  christos 	  if (SPARC_ELF_WORD_BYTES(htab) == 8
   2148  1.1  christos 	      && s->size >= PLT64_LARGE_THRESHOLD * PLT64_ENTRY_SIZE)
   2149  1.1  christos 	    {
   2150  1.1  christos 	      bfd_vma off = s->size - PLT64_LARGE_THRESHOLD * PLT64_ENTRY_SIZE;
   2151  1.1  christos 
   2152  1.1  christos 
   2153  1.1  christos 	      off = (off % (160 * PLT64_ENTRY_SIZE)) / PLT64_ENTRY_SIZE;
   2154  1.1  christos 
   2155  1.1  christos 	      h->plt.offset = (s->size - (off * 8));
   2156  1.1  christos 	    }
   2157  1.1  christos 	  else
   2158  1.1  christos 	    h->plt.offset = s->size;
   2159  1.1  christos 
   2160  1.1  christos 	  /* If this symbol is not defined in a regular file, and we are
   2161  1.1  christos 	     not generating a shared library, then set the symbol to this
   2162  1.3  christos 	     location in the .plt.  This is required to make function
   2163  1.1  christos 	     pointers compare as equal between the normal executable and
   2164  1.1  christos 	     the shared library.  */
   2165  1.1  christos 	  if (! bfd_link_pic (info)
   2166  1.1  christos 	      && !h->def_regular)
   2167  1.1  christos 	    {
   2168  1.1  christos 	      h->root.u.def.section = s;
   2169  1.1  christos 	      h->root.u.def.value = h->plt.offset;
   2170  1.1  christos 	    }
   2171  1.1  christos 
   2172  1.6  christos 	  /* Make room for this entry.  */
   2173  1.6  christos 	  s->size += htab->plt_entry_size;
   2174  1.6  christos 
   2175  1.6  christos 	  /* There should be no PLT relocations against resolved undefined
   2176  1.6  christos 	     weak symbols in the executable.  */
   2177  1.6  christos 	  if (!resolved_to_zero)
   2178  1.6  christos 	    {
   2179  1.6  christos 	      /* We also need to make an entry in the .rela.plt section.  */
   2180  1.6  christos 	      if (s == htab->elf.splt)
   2181  1.6  christos 		htab->elf.srelplt->size += SPARC_ELF_RELA_BYTES (htab);
   2182  1.1  christos 	      else
   2183  1.1  christos 		htab->elf.irelplt->size += SPARC_ELF_RELA_BYTES (htab);
   2184  1.1  christos 	    }
   2185  1.1  christos 
   2186  1.1  christos 	  if (htab->is_vxworks)
   2187  1.1  christos 	    {
   2188  1.1  christos 	      /* Allocate space for the .got.plt entry.  */
   2189  1.3  christos 	      htab->elf.sgotplt->size += 4;
   2190  1.1  christos 
   2191  1.1  christos 	      /* ...and for the .rela.plt.unloaded relocations.  */
   2192  1.1  christos 	      if (!bfd_link_pic (info))
   2193  1.1  christos 		htab->srelplt2->size += sizeof (Elf32_External_Rela) * 3;
   2194  1.1  christos 	    }
   2195  1.1  christos 	}
   2196  1.1  christos       else
   2197  1.1  christos 	{
   2198  1.1  christos 	  h->plt.offset = (bfd_vma) -1;
   2199  1.1  christos 	  h->needs_plt = 0;
   2200  1.1  christos 	}
   2201  1.1  christos     }
   2202  1.1  christos   else
   2203  1.1  christos     {
   2204  1.1  christos       h->plt.offset = (bfd_vma) -1;
   2205  1.1  christos       h->needs_plt = 0;
   2206  1.1  christos     }
   2207  1.1  christos 
   2208  1.6  christos   /* If R_SPARC_TLS_IE_{HI22,LO10} symbol is now local to the binary,
   2209  1.1  christos      make it a R_SPARC_TLS_LE_{HI22,LO10} requiring no TLS entry.  */
   2210  1.1  christos   if (h->got.refcount > 0
   2211  1.1  christos       && bfd_link_executable (info)
   2212  1.1  christos       && h->dynindx == -1
   2213  1.1  christos       && _bfd_sparc_elf_hash_entry(h)->tls_type == GOT_TLS_IE)
   2214  1.1  christos     h->got.offset = (bfd_vma) -1;
   2215  1.1  christos   else if (h->got.refcount > 0)
   2216  1.1  christos     {
   2217  1.1  christos       asection *s;
   2218  1.6  christos       bfd_boolean dyn;
   2219  1.6  christos       int tls_type = _bfd_sparc_elf_hash_entry(h)->tls_type;
   2220  1.6  christos 
   2221  1.6  christos       /* Undefined weak syms won't yet be marked as dynamic.  */
   2222  1.1  christos       if (h->root.type == bfd_link_hash_undefweak
   2223  1.1  christos 	  && !resolved_to_zero
   2224  1.1  christos 	  && h->dynindx == -1
   2225  1.1  christos 	  && !h->forced_local)
   2226  1.1  christos 	{
   2227  1.1  christos 	  if (! bfd_elf_link_record_dynamic_symbol (info, h))
   2228  1.1  christos 	    return FALSE;
   2229  1.1  christos 	}
   2230  1.1  christos 
   2231  1.1  christos       s = htab->elf.sgot;
   2232  1.1  christos       h->got.offset = s->size;
   2233  1.1  christos       s->size += SPARC_ELF_WORD_BYTES (htab);
   2234  1.1  christos       /* R_SPARC_TLS_GD_HI{22,LO10} needs 2 consecutive GOT slots.  */
   2235  1.1  christos       if (tls_type == GOT_TLS_GD)
   2236  1.6  christos 	s->size += SPARC_ELF_WORD_BYTES (htab);
   2237  1.1  christos       dyn = htab->elf.dynamic_sections_created;
   2238  1.1  christos       /* R_SPARC_TLS_IE_{HI22,LO10} needs one dynamic relocation,
   2239  1.1  christos 	 R_SPARC_TLS_GD_{HI22,LO10} needs one if local and two if global.  */
   2240  1.1  christos       if ((tls_type == GOT_TLS_GD && h->dynindx == -1)
   2241  1.1  christos 	  || tls_type == GOT_TLS_IE
   2242  1.1  christos 	  || h->type == STT_GNU_IFUNC)
   2243  1.6  christos 	htab->elf.srelgot->size += SPARC_ELF_RELA_BYTES (htab);
   2244  1.6  christos       else if (tls_type == GOT_TLS_GD)
   2245  1.6  christos 	htab->elf.srelgot->size += 2 * SPARC_ELF_RELA_BYTES (htab);
   2246  1.6  christos       else if ((WILL_CALL_FINISH_DYNAMIC_SYMBOL (dyn, bfd_link_pic (info), h)
   2247  1.6  christos 		/* Even if the symbol isn't dynamic, we may generate a
   2248  1.6  christos 		   reloc for the dynamic linker in PIC mode.  */
   2249  1.6  christos 		|| (h->dynindx == -1
   2250  1.6  christos 		    && !h->forced_local
   2251  1.6  christos 		    && h->root.type != bfd_link_hash_undefweak
   2252  1.6  christos 		    && bfd_link_pic (info)))
   2253  1.6  christos 	       /* No dynamic relocations are needed against resolved
   2254  1.6  christos 		  undefined weak symbols in an executable.  */
   2255  1.1  christos 	       && !(h->root.type == bfd_link_hash_undefweak
   2256  1.1  christos 		    && (ELF_ST_VISIBILITY (h->other) != STV_DEFAULT
   2257  1.1  christos 			|| resolved_to_zero)))
   2258  1.1  christos 	htab->elf.srelgot->size += SPARC_ELF_RELA_BYTES (htab);
   2259  1.1  christos     }
   2260  1.1  christos   else
   2261  1.1  christos     h->got.offset = (bfd_vma) -1;
   2262  1.1  christos 
   2263  1.1  christos   if (eh->dyn_relocs == NULL)
   2264  1.1  christos     return TRUE;
   2265  1.1  christos 
   2266  1.1  christos   /* In the shared -Bsymbolic case, discard space allocated for
   2267  1.1  christos      dynamic pc-relative relocs against symbols which turn out to be
   2268  1.1  christos      defined in regular objects.  For the normal shared case, discard
   2269  1.3  christos      space for pc-relative relocs that have become local due to symbol
   2270  1.1  christos      visibility changes.  */
   2271  1.1  christos 
   2272  1.1  christos   if (bfd_link_pic (info))
   2273  1.6  christos     {
   2274  1.1  christos       if (SYMBOL_CALLS_LOCAL (info, h))
   2275  1.1  christos 	{
   2276  1.1  christos 	  struct elf_dyn_relocs **pp;
   2277  1.1  christos 
   2278  1.1  christos 	  for (pp = &eh->dyn_relocs; (p = *pp) != NULL; )
   2279  1.1  christos 	    {
   2280  1.1  christos 	      p->count -= p->pc_count;
   2281  1.1  christos 	      p->pc_count = 0;
   2282  1.1  christos 	      if (p->count == 0)
   2283  1.1  christos 		*pp = p->next;
   2284  1.1  christos 	      else
   2285  1.1  christos 		pp = &p->next;
   2286  1.1  christos 	    }
   2287  1.1  christos 	}
   2288  1.6  christos 
   2289  1.1  christos       if (htab->is_vxworks)
   2290  1.1  christos 	{
   2291  1.1  christos 	  struct elf_dyn_relocs **pp;
   2292  1.1  christos 
   2293  1.1  christos 	  for (pp = &eh->dyn_relocs; (p = *pp) != NULL; )
   2294  1.1  christos 	    {
   2295  1.1  christos 	      if (strcmp (p->sec->output_section->name, ".tls_vars") == 0)
   2296  1.1  christos 		*pp = p->next;
   2297  1.1  christos 	      else
   2298  1.1  christos 		pp = &p->next;
   2299  1.1  christos 	    }
   2300  1.6  christos 	}
   2301  1.1  christos 
   2302  1.1  christos       /* Also discard relocs on undefined weak syms with non-default
   2303  1.1  christos 	 visibility or in PIE.  */
   2304  1.6  christos       if (eh->dyn_relocs != NULL
   2305  1.6  christos 	  && h->root.type == bfd_link_hash_undefweak)
   2306  1.6  christos 	{
   2307  1.6  christos 	  /* An undefined weak symbol is never
   2308  1.6  christos 	     bound locally in a shared library.  */
   2309  1.6  christos 
   2310  1.6  christos 	  if (ELF_ST_VISIBILITY (h->other) != STV_DEFAULT
   2311  1.6  christos 	      || resolved_to_zero)
   2312  1.6  christos 	    {
   2313  1.6  christos 	      if (h->non_got_ref)
   2314  1.6  christos 		{
   2315  1.6  christos 		  /* Keep dynamic non-GOT/non-PLT relocation so that we
   2316  1.6  christos 		     can branch to 0 without PLT.  */
   2317  1.6  christos 		  struct elf_dyn_relocs **pp;
   2318  1.6  christos 
   2319  1.6  christos 		  for (pp = &eh->dyn_relocs; (p = *pp) != NULL;)
   2320  1.6  christos 		    if (p->pc_count == 0)
   2321  1.6  christos 		      *pp = p->next;
   2322  1.6  christos 		    else
   2323  1.6  christos 		      {
   2324  1.6  christos 			/* Remove other relocations.  */
   2325  1.6  christos 			p->count = p->pc_count;
   2326  1.6  christos 			pp = &p->next;
   2327  1.6  christos 		      }
   2328  1.6  christos 
   2329  1.6  christos 		  if (eh->dyn_relocs != NULL)
   2330  1.6  christos 		    {
   2331  1.6  christos 		      /* Make sure undefined weak symbols are output
   2332  1.6  christos 			 as dynamic symbols in PIEs for dynamic non-GOT
   2333  1.6  christos 			 non-PLT reloations.  */
   2334  1.6  christos 		      if (! bfd_elf_link_record_dynamic_symbol (info, h))
   2335  1.6  christos 			return FALSE;
   2336  1.6  christos 		    }
   2337  1.6  christos 		}
   2338  1.1  christos 	      else
   2339  1.1  christos 		eh->dyn_relocs = NULL;
   2340  1.1  christos 	    }
   2341  1.1  christos 
   2342  1.1  christos 	  /* Make sure undefined weak symbols are output as a dynamic
   2343  1.1  christos 	     symbol in PIEs.  */
   2344  1.1  christos 	  else if (h->dynindx == -1
   2345  1.1  christos 		   && !h->forced_local)
   2346  1.1  christos 	    {
   2347  1.1  christos 	      if (! bfd_elf_link_record_dynamic_symbol (info, h))
   2348  1.1  christos 		return FALSE;
   2349  1.1  christos 	    }
   2350  1.1  christos 	}
   2351  1.1  christos     }
   2352  1.1  christos   else
   2353  1.1  christos     {
   2354  1.1  christos       /* For the non-shared case, discard space for relocs against
   2355  1.6  christos 	 symbols which turn out to need copy relocs or are not
   2356  1.6  christos 	 dynamic.  */
   2357  1.6  christos 
   2358  1.1  christos       if ((!h->non_got_ref
   2359  1.1  christos 	   || (h->root.type == bfd_link_hash_undefweak
   2360  1.1  christos 	       && !resolved_to_zero))
   2361  1.1  christos 	  && ((h->def_dynamic
   2362  1.1  christos 	       && !h->def_regular)
   2363  1.1  christos 	      || (htab->elf.dynamic_sections_created
   2364  1.6  christos 		  && (h->root.type == bfd_link_hash_undefweak
   2365  1.6  christos 		      || h->root.type == bfd_link_hash_undefined))))
   2366  1.6  christos 	{
   2367  1.6  christos 	  /* Undefined weak syms won't yet be marked as dynamic.  */
   2368  1.1  christos 	  if (h->root.type == bfd_link_hash_undefweak
   2369  1.1  christos 	      && !resolved_to_zero
   2370  1.1  christos 	      && h->dynindx == -1
   2371  1.1  christos 	      && !h->forced_local)
   2372  1.1  christos 	    {
   2373  1.1  christos 	      if (! bfd_elf_link_record_dynamic_symbol (info, h))
   2374  1.1  christos 		return FALSE;
   2375  1.1  christos 	    }
   2376  1.1  christos 
   2377  1.1  christos 	  /* If that succeeded, we know we'll be keeping all the
   2378  1.1  christos 	     relocs.  */
   2379  1.1  christos 	  if (h->dynindx != -1)
   2380  1.1  christos 	    goto keep;
   2381  1.1  christos 	}
   2382  1.1  christos 
   2383  1.1  christos       eh->dyn_relocs = NULL;
   2384  1.1  christos 
   2385  1.1  christos     keep: ;
   2386  1.1  christos     }
   2387  1.1  christos 
   2388  1.1  christos   /* Finally, allocate space.  */
   2389  1.1  christos   for (p = eh->dyn_relocs; p != NULL; p = p->next)
   2390  1.1  christos     {
   2391  1.1  christos       asection *sreloc = elf_section_data (p->sec)->sreloc;
   2392  1.1  christos       sreloc->size += p->count * SPARC_ELF_RELA_BYTES (htab);
   2393  1.1  christos     }
   2394  1.1  christos 
   2395  1.1  christos   return TRUE;
   2396  1.1  christos }
   2397  1.1  christos 
   2398  1.1  christos /* Allocate space in .plt, .got and associated reloc sections for
   2399  1.1  christos    local dynamic relocs.  */
   2400  1.1  christos 
   2401  1.1  christos static bfd_boolean
   2402  1.1  christos allocate_local_dynrelocs (void **slot, void *inf)
   2403  1.1  christos {
   2404  1.1  christos   struct elf_link_hash_entry *h
   2405  1.1  christos     = (struct elf_link_hash_entry *) *slot;
   2406  1.1  christos 
   2407  1.1  christos   if (h->type != STT_GNU_IFUNC
   2408  1.1  christos       || !h->def_regular
   2409  1.1  christos       || !h->ref_regular
   2410  1.1  christos       || !h->forced_local
   2411  1.1  christos       || h->root.type != bfd_link_hash_defined)
   2412  1.1  christos     abort ();
   2413  1.1  christos 
   2414  1.6  christos   return allocate_dynrelocs (h, inf);
   2415  1.6  christos }
   2416  1.1  christos 
   2417  1.1  christos /* Set DF_TEXTREL if we find any dynamic relocs that apply to
   2418  1.6  christos    read-only sections.  */
   2419  1.1  christos 
   2420  1.6  christos static bfd_boolean
   2421  1.6  christos maybe_set_textrel (struct elf_link_hash_entry *h, void *info_p)
   2422  1.6  christos {
   2423  1.6  christos   asection *sec;
   2424  1.1  christos 
   2425  1.6  christos   if (h->root.type == bfd_link_hash_indirect)
   2426  1.6  christos     return TRUE;
   2427  1.1  christos 
   2428  1.6  christos   sec = readonly_dynrelocs (h);
   2429  1.1  christos   if (sec != NULL)
   2430  1.6  christos     {
   2431  1.6  christos       struct bfd_link_info *info = (struct bfd_link_info *) info_p;
   2432  1.6  christos 
   2433  1.6  christos       info->flags |= DF_TEXTREL;
   2434  1.1  christos       info->callbacks->minfo
   2435  1.6  christos 	(_("%pB: dynamic relocation against `%pT' in read-only section `%pA'\n"),
   2436  1.6  christos 	 sec->owner, h->root.root.string, sec);
   2437  1.1  christos 
   2438  1.1  christos       /* Not an error, just cut short the traversal.  */
   2439  1.1  christos       return FALSE;
   2440  1.1  christos     }
   2441  1.1  christos   return TRUE;
   2442  1.1  christos }
   2443  1.1  christos 
   2444  1.1  christos /* Return true if the dynamic symbol for a given section should be
   2445  1.1  christos    omitted when creating a shared library.  */
   2446  1.1  christos 
   2447  1.1  christos bfd_boolean
   2448  1.1  christos _bfd_sparc_elf_omit_section_dynsym (bfd *output_bfd,
   2449  1.1  christos 				    struct bfd_link_info *info,
   2450  1.1  christos 				    asection *p)
   2451  1.1  christos {
   2452  1.1  christos   /* We keep the .got section symbol so that explicit relocations
   2453  1.1  christos      against the _GLOBAL_OFFSET_TABLE_ symbol emitted in PIC mode
   2454  1.1  christos      can be turned into relocations against the .got symbol.  */
   2455  1.6  christos   if (strcmp (p->name, ".got") == 0)
   2456  1.1  christos     return FALSE;
   2457  1.1  christos 
   2458  1.1  christos   return _bfd_elf_omit_section_dynsym_default (output_bfd, info, p);
   2459  1.1  christos }
   2460  1.1  christos 
   2461  1.1  christos /* Set the sizes of the dynamic sections.  */
   2462  1.1  christos 
   2463  1.1  christos bfd_boolean
   2464  1.1  christos _bfd_sparc_elf_size_dynamic_sections (bfd *output_bfd,
   2465  1.1  christos 				      struct bfd_link_info *info)
   2466  1.1  christos {
   2467  1.1  christos   struct _bfd_sparc_elf_link_hash_table *htab;
   2468  1.1  christos   bfd *dynobj;
   2469  1.1  christos   asection *s;
   2470  1.1  christos   bfd *ibfd;
   2471  1.1  christos 
   2472  1.1  christos   htab = _bfd_sparc_elf_hash_table (info);
   2473  1.1  christos   BFD_ASSERT (htab != NULL);
   2474  1.1  christos   dynobj = htab->elf.dynobj;
   2475  1.1  christos   BFD_ASSERT (dynobj != NULL);
   2476  1.1  christos 
   2477  1.3  christos   if (elf_hash_table (info)->dynamic_sections_created)
   2478  1.1  christos     {
   2479  1.1  christos       /* Set the contents of the .interp section to the interpreter.  */
   2480  1.1  christos       if (bfd_link_executable (info) && !info->nointerp)
   2481  1.1  christos 	{
   2482  1.1  christos 	  s = bfd_get_linker_section (dynobj, ".interp");
   2483  1.6  christos 	  BFD_ASSERT (s != NULL);
   2484  1.1  christos 	  s->size = htab->dynamic_interpreter_size;
   2485  1.1  christos 	  s->contents = (unsigned char *) htab->dynamic_interpreter;
   2486  1.1  christos 	  htab->interp = s;
   2487  1.1  christos 	}
   2488  1.1  christos     }
   2489  1.3  christos 
   2490  1.1  christos   /* Set up .got offsets for local syms, and space for local dynamic
   2491  1.1  christos      relocs.  */
   2492  1.1  christos   for (ibfd = info->input_bfds; ibfd != NULL; ibfd = ibfd->link.next)
   2493  1.1  christos     {
   2494  1.1  christos       bfd_signed_vma *local_got;
   2495  1.1  christos       bfd_signed_vma *end_local_got;
   2496  1.1  christos       char *local_tls_type;
   2497  1.1  christos       bfd_size_type locsymcount;
   2498  1.1  christos       Elf_Internal_Shdr *symtab_hdr;
   2499  1.1  christos       asection *srel;
   2500  1.1  christos 
   2501  1.1  christos       if (! is_sparc_elf (ibfd))
   2502  1.1  christos 	continue;
   2503  1.6  christos 
   2504  1.1  christos       for (s = ibfd->sections; s != NULL; s = s->next)
   2505  1.1  christos 	{
   2506  1.1  christos 	  struct elf_dyn_relocs *p;
   2507  1.1  christos 
   2508  1.1  christos 	  for (p = elf_section_data (s)->local_dynrel; p != NULL; p = p->next)
   2509  1.1  christos 	    {
   2510  1.1  christos 	      if (!bfd_is_abs_section (p->sec)
   2511  1.1  christos 		  && bfd_is_abs_section (p->sec->output_section))
   2512  1.1  christos 		{
   2513  1.1  christos 		  /* Input section has been discarded, either because
   2514  1.1  christos 		     it is a copy of a linkonce section or due to
   2515  1.1  christos 		     linker script /DISCARD/, so we'll be discarding
   2516  1.1  christos 		     the relocs too.  */
   2517  1.1  christos 		}
   2518  1.1  christos 	      else if (htab->is_vxworks
   2519  1.1  christos 		       && strcmp (p->sec->output_section->name,
   2520  1.1  christos 				  ".tls_vars") == 0)
   2521  1.1  christos 		{
   2522  1.1  christos 		  /* Relocations in vxworks .tls_vars sections are
   2523  1.1  christos 		     handled specially by the loader.  */
   2524  1.1  christos 		}
   2525  1.1  christos 	      else if (p->count != 0)
   2526  1.1  christos 		{
   2527  1.1  christos 		  srel = elf_section_data (p->sec)->sreloc;
   2528  1.1  christos 		  if (!htab->elf.dynamic_sections_created)
   2529  1.3  christos 		    srel = htab->elf.irelplt;
   2530  1.3  christos 		  srel->size += p->count * SPARC_ELF_RELA_BYTES (htab);
   2531  1.6  christos 		  if ((p->sec->output_section->flags & SEC_READONLY) != 0)
   2532  1.6  christos 		    {
   2533  1.3  christos 		      info->flags |= DF_TEXTREL;
   2534  1.1  christos 		      info->callbacks->minfo (_("%pB: dynamic relocation in read-only section `%pA'\n"),
   2535  1.1  christos 					      p->sec->owner, p->sec);
   2536  1.1  christos 		    }
   2537  1.1  christos 		}
   2538  1.1  christos 	    }
   2539  1.1  christos 	}
   2540  1.1  christos 
   2541  1.1  christos       local_got = elf_local_got_refcounts (ibfd);
   2542  1.1  christos       if (!local_got)
   2543  1.1  christos 	continue;
   2544  1.1  christos 
   2545  1.1  christos       symtab_hdr = &elf_symtab_hdr (ibfd);
   2546  1.1  christos       locsymcount = symtab_hdr->sh_info;
   2547  1.1  christos       end_local_got = local_got + locsymcount;
   2548  1.1  christos       local_tls_type = _bfd_sparc_elf_local_got_tls_type (ibfd);
   2549  1.1  christos       s = htab->elf.sgot;
   2550  1.1  christos       srel = htab->elf.srelgot;
   2551  1.1  christos       for (; local_got < end_local_got; ++local_got, ++local_tls_type)
   2552  1.1  christos 	{
   2553  1.1  christos 	  if (*local_got > 0)
   2554  1.1  christos 	    {
   2555  1.1  christos 	      *local_got = s->size;
   2556  1.3  christos 	      s->size += SPARC_ELF_WORD_BYTES (htab);
   2557  1.1  christos 	      if (*local_tls_type == GOT_TLS_GD)
   2558  1.1  christos 		s->size += SPARC_ELF_WORD_BYTES (htab);
   2559  1.1  christos 	      if (bfd_link_pic (info)
   2560  1.1  christos 		  || *local_tls_type == GOT_TLS_GD
   2561  1.1  christos 		  || *local_tls_type == GOT_TLS_IE)
   2562  1.1  christos 		srel->size += SPARC_ELF_RELA_BYTES (htab);
   2563  1.1  christos 	    }
   2564  1.1  christos 	  else
   2565  1.1  christos 	    *local_got = (bfd_vma) -1;
   2566  1.1  christos 	}
   2567  1.1  christos     }
   2568  1.1  christos 
   2569  1.1  christos   if (htab->tls_ldm_got.refcount > 0)
   2570  1.1  christos     {
   2571  1.1  christos       /* Allocate 2 got entries and 1 dynamic reloc for
   2572  1.1  christos 	 R_SPARC_TLS_LDM_{HI22,LO10} relocs.  */
   2573  1.1  christos       htab->tls_ldm_got.offset = htab->elf.sgot->size;
   2574  1.1  christos       htab->elf.sgot->size += (2 * SPARC_ELF_WORD_BYTES (htab));
   2575  1.1  christos       htab->elf.srelgot->size += SPARC_ELF_RELA_BYTES (htab);
   2576  1.1  christos     }
   2577  1.1  christos   else
   2578  1.1  christos     htab->tls_ldm_got.offset = -1;
   2579  1.1  christos 
   2580  1.1  christos   /* Allocate global sym .plt and .got entries, and space for global
   2581  1.1  christos      sym dynamic relocs.  */
   2582  1.1  christos   elf_link_hash_traverse (&htab->elf, allocate_dynrelocs, info);
   2583  1.1  christos 
   2584  1.1  christos   /* Allocate .plt and .got entries, and space for local symbols.  */
   2585  1.1  christos   htab_traverse (htab->loc_hash_table, allocate_local_dynrelocs, info);
   2586  1.1  christos 
   2587  1.1  christos   if (! ABI_64_P (output_bfd)
   2588  1.1  christos       && !htab->is_vxworks
   2589  1.1  christos       && elf_hash_table (info)->dynamic_sections_created)
   2590  1.1  christos     {
   2591  1.1  christos       /* Make space for the trailing nop in .plt.  */
   2592  1.1  christos       if (htab->elf.splt->size > 0)
   2593  1.1  christos 	htab->elf.splt->size += 1 * SPARC_INSN_BYTES;
   2594  1.1  christos 
   2595  1.1  christos       /* If the .got section is more than 0x1000 bytes, we add
   2596  1.1  christos 	 0x1000 to the value of _GLOBAL_OFFSET_TABLE_, so that 13
   2597  1.1  christos 	 bit relocations have a greater chance of working.
   2598  1.1  christos 
   2599  1.1  christos 	 FIXME: Make this optimization work for 64-bit too.  */
   2600  1.1  christos       if (htab->elf.sgot->size >= 0x1000
   2601  1.1  christos 	  && elf_hash_table (info)->hgot->root.u.def.value == 0)
   2602  1.1  christos 	elf_hash_table (info)->hgot->root.u.def.value = 0x1000;
   2603  1.1  christos     }
   2604  1.1  christos 
   2605  1.1  christos   /* The check_relocs and adjust_dynamic_symbol entry points have
   2606  1.1  christos      determined the sizes of the various dynamic sections.  Allocate
   2607  1.1  christos      memory for them.  */
   2608  1.1  christos   for (s = dynobj->sections; s != NULL; s = s->next)
   2609  1.1  christos     {
   2610  1.1  christos       if ((s->flags & SEC_LINKER_CREATED) == 0)
   2611  1.1  christos 	continue;
   2612  1.6  christos 
   2613  1.6  christos       if (s == htab->elf.splt
   2614  1.1  christos 	  || s == htab->elf.sgot
   2615  1.1  christos 	  || s == htab->elf.sdynbss
   2616  1.1  christos 	  || s == htab->elf.sdynrelro
   2617  1.1  christos 	  || s == htab->elf.iplt
   2618  1.1  christos 	  || s == htab->elf.sgotplt)
   2619  1.1  christos 	{
   2620  1.1  christos 	  /* Strip this section if we don't need it; see the
   2621  1.1  christos 	     comment below.  */
   2622  1.1  christos 	}
   2623  1.1  christos       else if (CONST_STRNEQ (s->name, ".rela"))
   2624  1.1  christos 	{
   2625  1.1  christos 	  if (s->size != 0)
   2626  1.1  christos 	    {
   2627  1.1  christos 	      /* We use the reloc_count field as a counter if we need
   2628  1.1  christos 		 to copy relocs into the output file.  */
   2629  1.1  christos 	      s->reloc_count = 0;
   2630  1.1  christos 	    }
   2631  1.1  christos 	}
   2632  1.1  christos       else
   2633  1.1  christos 	{
   2634  1.1  christos 	  /* It's not one of our sections.  */
   2635  1.1  christos 	  continue;
   2636  1.1  christos 	}
   2637  1.1  christos 
   2638  1.1  christos       if (s->size == 0)
   2639  1.1  christos 	{
   2640  1.1  christos 	  /* If we don't need this section, strip it from the
   2641  1.1  christos 	     output file.  This is mostly to handle .rela.bss and
   2642  1.1  christos 	     .rela.plt.  We must create both sections in
   2643  1.1  christos 	     create_dynamic_sections, because they must be created
   2644  1.1  christos 	     before the linker maps input sections to output
   2645  1.1  christos 	     sections.  The linker does that before
   2646  1.1  christos 	     adjust_dynamic_symbol is called, and it is that
   2647  1.1  christos 	     function which decides whether anything needs to go
   2648  1.1  christos 	     into these sections.  */
   2649  1.1  christos 	  s->flags |= SEC_EXCLUDE;
   2650  1.1  christos 	  continue;
   2651  1.1  christos 	}
   2652  1.1  christos 
   2653  1.1  christos       if ((s->flags & SEC_HAS_CONTENTS) == 0)
   2654  1.1  christos 	continue;
   2655  1.1  christos 
   2656  1.1  christos       /* Allocate memory for the section contents.  Zero the memory
   2657  1.1  christos 	 for the benefit of .rela.plt, which has 4 unused entries
   2658  1.1  christos 	 at the beginning, and we don't want garbage.  */
   2659  1.1  christos       s->contents = (bfd_byte *) bfd_zalloc (dynobj, s->size);
   2660  1.1  christos       if (s->contents == NULL)
   2661  1.1  christos 	return FALSE;
   2662  1.1  christos     }
   2663  1.1  christos 
   2664  1.1  christos   if (elf_hash_table (info)->dynamic_sections_created)
   2665  1.1  christos     {
   2666  1.1  christos       /* Add some entries to the .dynamic section.  We fill in the
   2667  1.1  christos 	 values later, in _bfd_sparc_elf_finish_dynamic_sections, but we
   2668  1.1  christos 	 must add the entries now so that we get the correct size for
   2669  1.1  christos 	 the .dynamic section.  The DT_DEBUG entry is filled in by the
   2670  1.1  christos 	 dynamic linker and used by the debugger.  */
   2671  1.3  christos #define add_dynamic_entry(TAG, VAL) \
   2672  1.1  christos   _bfd_elf_add_dynamic_entry (info, TAG, VAL)
   2673  1.1  christos 
   2674  1.1  christos       if (bfd_link_executable (info))
   2675  1.1  christos 	{
   2676  1.1  christos 	  if (!add_dynamic_entry (DT_DEBUG, 0))
   2677  1.1  christos 	    return FALSE;
   2678  1.1  christos 	}
   2679  1.1  christos 
   2680  1.1  christos       if (htab->elf.srelplt->size != 0)
   2681  1.1  christos 	{
   2682  1.1  christos 	  if (!add_dynamic_entry (DT_PLTGOT, 0)
   2683  1.1  christos 	      || !add_dynamic_entry (DT_PLTRELSZ, 0)
   2684  1.1  christos 	      || !add_dynamic_entry (DT_PLTREL, DT_RELA)
   2685  1.1  christos 	      || !add_dynamic_entry (DT_JMPREL, 0))
   2686  1.1  christos 	    return FALSE;
   2687  1.1  christos 	}
   2688  1.1  christos 
   2689  1.1  christos       if (!add_dynamic_entry (DT_RELA, 0)
   2690  1.1  christos 	  || !add_dynamic_entry (DT_RELASZ, 0)
   2691  1.1  christos 	  || !add_dynamic_entry (DT_RELAENT,
   2692  1.1  christos 				 SPARC_ELF_RELA_BYTES (htab)))
   2693  1.1  christos 	return FALSE;
   2694  1.1  christos 
   2695  1.6  christos       /* If any dynamic relocs apply to a read-only section,
   2696  1.1  christos 	 then we need a DT_TEXTREL entry.  */
   2697  1.1  christos       if ((info->flags & DF_TEXTREL) == 0)
   2698  1.1  christos 	elf_link_hash_traverse (&htab->elf, maybe_set_textrel, info);
   2699  1.1  christos 
   2700  1.1  christos       if (info->flags & DF_TEXTREL)
   2701  1.1  christos 	{
   2702  1.1  christos 	  if (!add_dynamic_entry (DT_TEXTREL, 0))
   2703  1.1  christos 	    return FALSE;
   2704  1.1  christos 	}
   2705  1.1  christos 
   2706  1.1  christos       if (ABI_64_P (output_bfd))
   2707  1.1  christos 	{
   2708  1.1  christos 	  int reg;
   2709  1.1  christos 	  struct _bfd_sparc_elf_app_reg * app_regs;
   2710  1.1  christos 	  struct elf_strtab_hash *dynstr;
   2711  1.1  christos 	  struct elf_link_hash_table *eht = elf_hash_table (info);
   2712  1.1  christos 
   2713  1.1  christos 	  /* Add dynamic STT_REGISTER symbols and corresponding DT_SPARC_REGISTER
   2714  1.1  christos 	     entries if needed.  */
   2715  1.1  christos 	  app_regs = _bfd_sparc_elf_hash_table (info)->app_regs;
   2716  1.1  christos 	  dynstr = eht->dynstr;
   2717  1.1  christos 
   2718  1.1  christos 	  for (reg = 0; reg < 4; reg++)
   2719  1.1  christos 	    if (app_regs [reg].name != NULL)
   2720  1.1  christos 	      {
   2721  1.1  christos 		struct elf_link_local_dynamic_entry *entry, *e;
   2722  1.1  christos 
   2723  1.1  christos 		if (!add_dynamic_entry (DT_SPARC_REGISTER, 0))
   2724  1.1  christos 		  return FALSE;
   2725  1.1  christos 
   2726  1.1  christos 		entry = (struct elf_link_local_dynamic_entry *)
   2727  1.1  christos 		  bfd_hash_allocate (&info->hash->table, sizeof (*entry));
   2728  1.1  christos 		if (entry == NULL)
   2729  1.1  christos 		  return FALSE;
   2730  1.1  christos 
   2731  1.1  christos 		/* We cheat here a little bit: the symbol will not be local, so we
   2732  1.1  christos 		   put it at the end of the dynlocal linked list.  We will fix it
   2733  1.1  christos 		   later on, as we have to fix other fields anyway.  */
   2734  1.1  christos 		entry->isym.st_value = reg < 2 ? reg + 2 : reg + 4;
   2735  1.1  christos 		entry->isym.st_size = 0;
   2736  1.1  christos 		if (*app_regs [reg].name != '\0')
   2737  1.1  christos 		  entry->isym.st_name
   2738  1.1  christos 		    = _bfd_elf_strtab_add (dynstr, app_regs[reg].name, FALSE);
   2739  1.1  christos 		else
   2740  1.1  christos 		  entry->isym.st_name = 0;
   2741  1.1  christos 		entry->isym.st_other = 0;
   2742  1.1  christos 		entry->isym.st_info = ELF_ST_INFO (app_regs [reg].bind,
   2743  1.1  christos 						   STT_REGISTER);
   2744  1.1  christos 		entry->isym.st_shndx = app_regs [reg].shndx;
   2745  1.1  christos 		entry->isym.st_target_internal = 0;
   2746  1.1  christos 		entry->next = NULL;
   2747  1.1  christos 		entry->input_bfd = output_bfd;
   2748  1.1  christos 		entry->input_indx = -1;
   2749  1.1  christos 
   2750  1.1  christos 		if (eht->dynlocal == NULL)
   2751  1.1  christos 		  eht->dynlocal = entry;
   2752  1.1  christos 		else
   2753  1.1  christos 		  {
   2754  1.1  christos 		    for (e = eht->dynlocal; e->next; e = e->next)
   2755  1.1  christos 		      ;
   2756  1.1  christos 		    e->next = entry;
   2757  1.1  christos 		  }
   2758  1.1  christos 		eht->dynsymcount++;
   2759  1.1  christos 	      }
   2760  1.1  christos 	}
   2761  1.1  christos       if (htab->is_vxworks
   2762  1.1  christos 	  && !elf_vxworks_add_dynamic_entries (output_bfd, info))
   2763  1.1  christos 	return FALSE;
   2764  1.1  christos     }
   2765  1.1  christos #undef add_dynamic_entry
   2766  1.1  christos 
   2767  1.1  christos   return TRUE;
   2768  1.1  christos }
   2769  1.1  christos 
   2770  1.1  christos bfd_boolean
   2772  1.1  christos _bfd_sparc_elf_new_section_hook (bfd *abfd, asection *sec)
   2773  1.1  christos {
   2774  1.1  christos   if (!sec->used_by_bfd)
   2775  1.1  christos     {
   2776  1.1  christos       struct _bfd_sparc_elf_section_data *sdata;
   2777  1.1  christos       bfd_size_type amt = sizeof (*sdata);
   2778  1.1  christos 
   2779  1.1  christos       sdata = bfd_zalloc (abfd, amt);
   2780  1.1  christos       if (sdata == NULL)
   2781  1.1  christos 	return FALSE;
   2782  1.1  christos       sec->used_by_bfd = sdata;
   2783  1.1  christos     }
   2784  1.1  christos 
   2785  1.1  christos   return _bfd_elf_new_section_hook (abfd, sec);
   2786  1.1  christos }
   2787  1.1  christos 
   2788  1.1  christos bfd_boolean
   2789  1.1  christos _bfd_sparc_elf_relax_section (bfd *abfd ATTRIBUTE_UNUSED,
   2790  1.3  christos 			      struct bfd_section *section,
   2791  1.1  christos 			      struct bfd_link_info *link_info ATTRIBUTE_UNUSED,
   2792  1.1  christos 			      bfd_boolean *again)
   2793  1.1  christos {
   2794  1.1  christos   if (bfd_link_relocatable (link_info))
   2795  1.1  christos     (*link_info->callbacks->einfo)
   2796  1.1  christos       (_("%P%F: --relax and -r may not be used together\n"));
   2797  1.1  christos 
   2798  1.1  christos   *again = FALSE;
   2799  1.1  christos   sec_do_relax (section) = 1;
   2800  1.1  christos   return TRUE;
   2801  1.1  christos }
   2802  1.1  christos 
   2803  1.1  christos /* Return the base VMA address which should be subtracted from real addresses
   2805  1.1  christos    when resolving @dtpoff relocation.
   2806  1.1  christos    This is PT_TLS segment p_vaddr.  */
   2807  1.1  christos 
   2808  1.1  christos static bfd_vma
   2809  1.1  christos dtpoff_base (struct bfd_link_info *info)
   2810  1.1  christos {
   2811  1.1  christos   /* If tls_sec is NULL, we should have signalled an error already.  */
   2812  1.1  christos   if (elf_hash_table (info)->tls_sec == NULL)
   2813  1.1  christos     return 0;
   2814  1.1  christos   return elf_hash_table (info)->tls_sec->vma;
   2815  1.1  christos }
   2816  1.1  christos 
   2817  1.1  christos /* Return the relocation value for @tpoff relocation
   2818  1.1  christos    if STT_TLS virtual address is ADDRESS.  */
   2819  1.1  christos 
   2820  1.1  christos static bfd_vma
   2821  1.1  christos tpoff (struct bfd_link_info *info, bfd_vma address)
   2822  1.1  christos {
   2823  1.1  christos   struct elf_link_hash_table *htab = elf_hash_table (info);
   2824  1.1  christos   const struct elf_backend_data *bed = get_elf_backend_data (info->output_bfd);
   2825  1.1  christos   bfd_vma static_tls_size;
   2826  1.1  christos 
   2827  1.1  christos   /* If tls_sec is NULL, we should have signalled an error already.  */
   2828  1.1  christos   if (htab->tls_sec == NULL)
   2829  1.1  christos     return 0;
   2830  1.1  christos 
   2831  1.1  christos   /* Consider special static TLS alignment requirements.  */
   2832  1.1  christos   static_tls_size = BFD_ALIGN (htab->tls_size, bed->static_tls_alignment);
   2833  1.1  christos   return address - static_tls_size - htab->tls_sec->vma;
   2834  1.1  christos }
   2835  1.1  christos 
   2836  1.1  christos /* Return the relocation value for a %gdop relocation.  */
   2837  1.1  christos 
   2838  1.1  christos static bfd_vma
   2839  1.1  christos gdopoff (struct bfd_link_info *info, bfd_vma address)
   2840  1.1  christos {
   2841  1.1  christos   struct elf_link_hash_table *htab = elf_hash_table (info);
   2842  1.1  christos   bfd_vma got_base;
   2843  1.1  christos 
   2844  1.1  christos   got_base = (htab->hgot->root.u.def.value
   2845  1.1  christos 	      + htab->hgot->root.u.def.section->output_offset
   2846  1.6  christos 	      + htab->hgot->root.u.def.section->output_section->vma);
   2847  1.6  christos 
   2848  1.6  christos   return address - got_base;
   2849  1.6  christos }
   2850  1.6  christos 
   2851  1.6  christos /* Return whether H is local and its ADDRESS is within 4G of
   2852  1.6  christos    _GLOBAL_OFFSET_TABLE_ and thus the offset may be calculated by a
   2853  1.6  christos    sethi, xor sequence.  */
   2854  1.6  christos 
   2855  1.6  christos static bfd_boolean
   2856  1.6  christos gdop_relative_offset_ok (struct bfd_link_info *info,
   2857  1.6  christos 			 struct elf_link_hash_entry *h,
   2858  1.6  christos 			 bfd_vma address ATTRIBUTE_UNUSED)
   2859  1.6  christos {
   2860  1.6  christos   if (!SYMBOL_REFERENCES_LOCAL (info, h))
   2861  1.6  christos     return FALSE;
   2862  1.6  christos   /* If H is undefined, ADDRESS will be zero.  We can't allow a
   2863  1.6  christos      relative offset to "zero" when producing PIEs or shared libs.
   2864  1.6  christos      Note that to get here with an undefined symbol it must also be
   2865  1.6  christos      hidden or internal visibility.  */
   2866  1.6  christos   if (bfd_link_pic (info)
   2867  1.6  christos       && h != NULL
   2868  1.6  christos       && (h->root.type == bfd_link_hash_undefweak
   2869  1.6  christos 	  || h->root.type == bfd_link_hash_undefined))
   2870  1.6  christos     return FALSE;
   2871  1.6  christos #ifdef BFD64
   2872  1.6  christos   return gdopoff (info, address) + ((bfd_vma) 1 << 32) < (bfd_vma) 2 << 32;
   2873  1.1  christos #else
   2874  1.1  christos   return TRUE;
   2875  1.1  christos #endif
   2876  1.1  christos }
   2877  1.1  christos 
   2878  1.1  christos /* Relocate a SPARC ELF section.  */
   2879  1.1  christos 
   2880  1.1  christos bfd_boolean
   2881  1.1  christos _bfd_sparc_elf_relocate_section (bfd *output_bfd,
   2882  1.1  christos 				 struct bfd_link_info *info,
   2883  1.1  christos 				 bfd *input_bfd,
   2884  1.1  christos 				 asection *input_section,
   2885  1.1  christos 				 bfd_byte *contents,
   2886  1.1  christos 				 Elf_Internal_Rela *relocs,
   2887  1.1  christos 				 Elf_Internal_Sym *local_syms,
   2888  1.1  christos 				 asection **local_sections)
   2889  1.1  christos {
   2890  1.1  christos   struct _bfd_sparc_elf_link_hash_table *htab;
   2891  1.1  christos   Elf_Internal_Shdr *symtab_hdr;
   2892  1.1  christos   struct elf_link_hash_entry **sym_hashes;
   2893  1.1  christos   bfd_vma *local_got_offsets;
   2894  1.1  christos   bfd_vma got_base;
   2895  1.1  christos   asection *sreloc;
   2896  1.1  christos   Elf_Internal_Rela *rel;
   2897  1.1  christos   Elf_Internal_Rela *relend;
   2898  1.1  christos   int num_relocs;
   2899  1.1  christos   bfd_boolean is_vxworks_tls;
   2900  1.1  christos 
   2901  1.1  christos   htab = _bfd_sparc_elf_hash_table (info);
   2902  1.1  christos   BFD_ASSERT (htab != NULL);
   2903  1.1  christos   symtab_hdr = &elf_symtab_hdr (input_bfd);
   2904  1.1  christos   sym_hashes = elf_sym_hashes (input_bfd);
   2905  1.1  christos   local_got_offsets = elf_local_got_offsets (input_bfd);
   2906  1.1  christos 
   2907  1.1  christos   if (elf_hash_table (info)->hgot == NULL)
   2908  1.1  christos     got_base = 0;
   2909  1.1  christos   else
   2910  1.3  christos     got_base = elf_hash_table (info)->hgot->root.u.def.value;
   2911  1.1  christos 
   2912  1.1  christos   sreloc = elf_section_data (input_section)->sreloc;
   2913  1.1  christos   /* We have to handle relocations in vxworks .tls_vars sections
   2914  1.1  christos      specially, because the dynamic loader is 'weird'.  */
   2915  1.1  christos   is_vxworks_tls = (htab->is_vxworks && bfd_link_pic (info)
   2916  1.1  christos 		    && !strcmp (input_section->output_section->name,
   2917  1.1  christos 				".tls_vars"));
   2918  1.1  christos 
   2919  1.1  christos   rel = relocs;
   2920  1.1  christos   if (ABI_64_P (output_bfd))
   2921  1.1  christos     num_relocs = NUM_SHDR_ENTRIES (_bfd_elf_single_rel_hdr (input_section));
   2922  1.1  christos   else
   2923  1.1  christos     num_relocs = input_section->reloc_count;
   2924  1.1  christos   relend = relocs + num_relocs;
   2925  1.1  christos   for (; rel < relend; rel++)
   2926  1.6  christos     {
   2927  1.1  christos       int r_type, tls_type;
   2928  1.1  christos       reloc_howto_type *howto;
   2929  1.1  christos       unsigned long r_symndx;
   2930  1.1  christos       struct elf_link_hash_entry *h;
   2931  1.1  christos       struct _bfd_sparc_elf_link_hash_entry *eh;
   2932  1.1  christos       Elf_Internal_Sym *sym;
   2933  1.6  christos       asection *sec;
   2934  1.6  christos       bfd_vma relocation, off;
   2935  1.1  christos       bfd_reloc_status_type r;
   2936  1.1  christos       bfd_boolean is_plt = FALSE;
   2937  1.1  christos       bfd_boolean unresolved_reloc;
   2938  1.1  christos       bfd_boolean resolved_to_zero;
   2939  1.1  christos       bfd_boolean relative_reloc;
   2940  1.1  christos 
   2941  1.1  christos       r_type = SPARC_ELF_R_TYPE (rel->r_info);
   2942  1.1  christos       if (r_type == R_SPARC_GNU_VTINHERIT
   2943  1.1  christos 	  || r_type == R_SPARC_GNU_VTENTRY)
   2944  1.1  christos 	continue;
   2945  1.1  christos 
   2946  1.6  christos       if (r_type < 0 || r_type >= (int) R_SPARC_max_std)
   2947  1.1  christos 	{
   2948  1.1  christos 	  bfd_set_error (bfd_error_bad_value);
   2949  1.1  christos 	  return FALSE;
   2950  1.1  christos 	}
   2951  1.1  christos 
   2952  1.1  christos       howto = _bfd_sparc_elf_howto_table + r_type;
   2953  1.1  christos       r_symndx = SPARC_ELF_R_SYMNDX (htab, rel->r_info);
   2954  1.1  christos       h = NULL;
   2955  1.1  christos       sym = NULL;
   2956  1.1  christos       sec = NULL;
   2957  1.1  christos       unresolved_reloc = FALSE;
   2958  1.1  christos       if (r_symndx < symtab_hdr->sh_info)
   2959  1.3  christos 	{
   2960  1.1  christos 	  sym = local_syms + r_symndx;
   2961  1.1  christos 	  sec = local_sections[r_symndx];
   2962  1.1  christos 	  relocation = _bfd_elf_rela_local_sym (output_bfd, sym, &sec, rel);
   2963  1.1  christos 
   2964  1.1  christos 	  if (!bfd_link_relocatable (info)
   2965  1.1  christos 	      && ELF_ST_TYPE (sym->st_info) == STT_GNU_IFUNC)
   2966  1.1  christos 	    {
   2967  1.1  christos 	      /* Relocate against local STT_GNU_IFUNC symbol.  */
   2968  1.3  christos 	      h = elf_sparc_get_local_sym_hash (htab, input_bfd,
   2969  1.1  christos 						rel, FALSE);
   2970  1.1  christos 	      if (h == NULL)
   2971  1.1  christos 		abort ();
   2972  1.1  christos 
   2973  1.1  christos 	      /* Set STT_GNU_IFUNC symbol value.  */
   2974  1.1  christos 	      h->root.u.def.value = sym->st_value;
   2975  1.3  christos 	      h->root.u.def.section = sec;
   2976  1.1  christos 	    }
   2977  1.1  christos 	}
   2978  1.1  christos       else
   2979  1.1  christos 	{
   2980  1.3  christos 	  bfd_boolean warned, ignored;
   2981  1.1  christos 
   2982  1.1  christos 	  RELOC_FOR_GLOBAL_SYMBOL (info, input_bfd, input_section, rel,
   2983  1.1  christos 				   r_symndx, symtab_hdr, sym_hashes,
   2984  1.1  christos 				   h, sec, relocation,
   2985  1.1  christos 				   unresolved_reloc, warned, ignored);
   2986  1.1  christos 	  if (warned)
   2987  1.1  christos 	    {
   2988  1.1  christos 	      /* To avoid generating warning messages about truncated
   2989  1.1  christos 		 relocations, set the relocation's address to be the same as
   2990  1.1  christos 		 the start of this section.  */
   2991  1.1  christos 	      if (input_section->output_section != NULL)
   2992  1.1  christos 		relocation = input_section->output_section->vma;
   2993  1.1  christos 	      else
   2994  1.1  christos 		relocation = 0;
   2995  1.1  christos 	    }
   2996  1.1  christos 	}
   2997  1.3  christos 
   2998  1.1  christos       if (sec != NULL && discarded_section (sec))
   2999  1.1  christos 	RELOC_AGAINST_DISCARDED_SECTION (info, input_bfd, input_section,
   3000  1.1  christos 					 rel, 1, relend, howto, 0, contents);
   3001  1.1  christos 
   3002  1.1  christos       if (bfd_link_relocatable (info))
   3003  1.1  christos 	continue;
   3004  1.1  christos 
   3005  1.1  christos       if (h != NULL
   3006  1.1  christos 	  && h->type == STT_GNU_IFUNC
   3007  1.1  christos 	  && h->def_regular)
   3008  1.1  christos 	{
   3009  1.6  christos 	  asection *plt_sec;
   3010  1.6  christos 	  const char *name;
   3011  1.6  christos 
   3012  1.6  christos 	  if ((input_section->flags & SEC_ALLOC) == 0
   3013  1.6  christos 	      || h->plt.offset == (bfd_vma) -1)
   3014  1.6  christos 	    {
   3015  1.6  christos 	      /* If this is a SHT_NOTE section without SHF_ALLOC, treat
   3016  1.1  christos 	         STT_GNU_IFUNC symbol as STT_FUNC.  */
   3017  1.1  christos 	      if (elf_section_type (input_section) == SHT_NOTE)
   3018  1.1  christos 		goto skip_ifunc;
   3019  1.1  christos 	      abort ();
   3020  1.1  christos 	    }
   3021  1.1  christos 
   3022  1.1  christos 	  plt_sec = htab->elf.splt;
   3023  1.1  christos 	  if (! plt_sec)
   3024  1.1  christos 	    plt_sec =htab->elf.iplt;
   3025  1.1  christos 
   3026  1.1  christos 	  switch (r_type)
   3027  1.1  christos 	    {
   3028  1.1  christos 	    case R_SPARC_GOTDATA_OP:
   3029  1.1  christos 	      continue;
   3030  1.1  christos 
   3031  1.1  christos 	    case R_SPARC_GOTDATA_OP_HIX22:
   3032  1.1  christos 	    case R_SPARC_GOTDATA_OP_LOX10:
   3033  1.1  christos 	      r_type = (r_type == R_SPARC_GOTDATA_OP_HIX22
   3034  1.1  christos 			? R_SPARC_GOT22
   3035  1.1  christos 			: R_SPARC_GOT10);
   3036  1.1  christos 	      howto = _bfd_sparc_elf_howto_table + r_type;
   3037  1.1  christos 	      /* Fall through.  */
   3038  1.1  christos 
   3039  1.1  christos 	    case R_SPARC_GOT10:
   3040  1.1  christos 	    case R_SPARC_GOT13:
   3041  1.1  christos 	    case R_SPARC_GOT22:
   3042  1.1  christos 	      if (htab->elf.sgot == NULL)
   3043  1.1  christos 		abort ();
   3044  1.1  christos 	      off = h->got.offset;
   3045  1.1  christos 	      if (off == (bfd_vma) -1)
   3046  1.1  christos 		abort();
   3047  1.1  christos 	      relocation = htab->elf.sgot->output_offset + off - got_base;
   3048  1.1  christos 	      goto do_relocation;
   3049  1.1  christos 
   3050  1.1  christos 	    case R_SPARC_WPLT30:
   3051  1.1  christos 	    case R_SPARC_WDISP30:
   3052  1.1  christos 	      relocation = (plt_sec->output_section->vma
   3053  1.3  christos 			    + plt_sec->output_offset + h->plt.offset);
   3054  1.1  christos 	      goto do_relocation;
   3055  1.1  christos 
   3056  1.1  christos 	    case R_SPARC_32:
   3057  1.1  christos 	    case R_SPARC_64:
   3058  1.1  christos 	      if (bfd_link_pic (info) && h->non_got_ref)
   3059  1.1  christos 		{
   3060  1.1  christos 		  Elf_Internal_Rela outrel;
   3061  1.1  christos 		  bfd_vma offset;
   3062  1.1  christos 
   3063  1.1  christos 		  offset = _bfd_elf_section_offset (output_bfd, info,
   3064  1.1  christos 						    input_section,
   3065  1.1  christos 						    rel->r_offset);
   3066  1.1  christos 		  if (offset == (bfd_vma) -1
   3067  1.1  christos 		      || offset == (bfd_vma) -2)
   3068  1.1  christos 		    abort();
   3069  1.1  christos 
   3070  1.1  christos 		  outrel.r_offset = (input_section->output_section->vma
   3071  1.3  christos 				     + input_section->output_offset
   3072  1.1  christos 				     + offset);
   3073  1.1  christos 
   3074  1.1  christos 		  if (h->dynindx == -1
   3075  1.1  christos 		      || h->forced_local
   3076  1.1  christos 		      || bfd_link_executable (info))
   3077  1.1  christos 		    {
   3078  1.1  christos 		      outrel.r_info = SPARC_ELF_R_INFO (htab, NULL,
   3079  1.1  christos 							0, R_SPARC_IRELATIVE);
   3080  1.1  christos 		      outrel.r_addend = relocation + rel->r_addend;
   3081  1.1  christos 		    }
   3082  1.1  christos 		  else
   3083  1.1  christos 		    {
   3084  1.1  christos 		      if (h->dynindx == -1)
   3085  1.1  christos 			abort();
   3086  1.1  christos 		      outrel.r_info = SPARC_ELF_R_INFO (htab, rel, h->dynindx, r_type);
   3087  1.1  christos 		      outrel.r_addend = rel->r_addend;
   3088  1.1  christos 		    }
   3089  1.1  christos 
   3090  1.1  christos 		  sparc_elf_append_rela (output_bfd, sreloc, &outrel);
   3091  1.1  christos 		  continue;
   3092  1.1  christos 		}
   3093  1.1  christos 
   3094  1.1  christos 	      relocation = (plt_sec->output_section->vma
   3095  1.1  christos 			    + plt_sec->output_offset + h->plt.offset);
   3096  1.3  christos 	      goto do_relocation;
   3097  1.1  christos 
   3098  1.1  christos 	    case R_SPARC_HI22:
   3099  1.1  christos 	    case R_SPARC_LO10:
   3100  1.1  christos 	      /* We should only see such relocs in static links.  */
   3101  1.1  christos 	      if (bfd_link_pic (info))
   3102  1.1  christos 		abort();
   3103  1.1  christos 	      relocation = (plt_sec->output_section->vma
   3104  1.1  christos 			    + plt_sec->output_offset + h->plt.offset);
   3105  1.1  christos 	      goto do_relocation;
   3106  1.1  christos 
   3107  1.1  christos 	    default:
   3108  1.6  christos 	      if (h->root.root.string)
   3109  1.6  christos 		name = h->root.root.string;
   3110  1.6  christos 	      else
   3111  1.1  christos 		name = bfd_elf_sym_name (input_bfd, symtab_hdr, sym,
   3112  1.1  christos 					 NULL);
   3113  1.1  christos 	      _bfd_error_handler
   3114  1.1  christos 		/* xgettext:c-format */
   3115  1.1  christos 		(_("%pB: relocation %s against STT_GNU_IFUNC "
   3116  1.1  christos 		   "symbol `%s' isn't handled by %s"), input_bfd,
   3117  1.1  christos 		 _bfd_sparc_elf_howto_table[r_type].name,
   3118  1.1  christos 		 name, __FUNCTION__);
   3119  1.6  christos 	      bfd_set_error (bfd_error_bad_value);
   3120  1.6  christos 	      return FALSE;
   3121  1.6  christos 	    }
   3122  1.6  christos 	}
   3123  1.1  christos 
   3124  1.1  christos     skip_ifunc:
   3125  1.1  christos       eh = (struct _bfd_sparc_elf_link_hash_entry *) h;
   3126  1.1  christos       resolved_to_zero = eh && UNDEFINED_WEAK_RESOLVED_TO_ZERO (info, eh);
   3127  1.6  christos 
   3128  1.6  christos       switch (r_type)
   3129  1.6  christos 	{
   3130  1.6  christos 	case R_SPARC_GOTDATA_OP_HIX22:
   3131  1.6  christos 	case R_SPARC_GOTDATA_OP_LOX10:
   3132  1.6  christos 	  if (gdop_relative_offset_ok (info, h, relocation))
   3133  1.6  christos 	    {
   3134  1.1  christos 	      r_type = (r_type == R_SPARC_GOTDATA_OP_HIX22
   3135  1.1  christos 			? R_SPARC_GOTDATA_HIX22
   3136  1.1  christos 			: R_SPARC_GOTDATA_LOX10);
   3137  1.6  christos 	      howto = _bfd_sparc_elf_howto_table + r_type;
   3138  1.1  christos 	    }
   3139  1.1  christos 	  break;
   3140  1.1  christos 
   3141  1.1  christos 	case R_SPARC_GOTDATA_OP:
   3142  1.1  christos 	  if (gdop_relative_offset_ok (info, h, relocation))
   3143  1.1  christos 	    {
   3144  1.6  christos 	      bfd_vma insn = bfd_get_32 (input_bfd, contents + rel->r_offset);
   3145  1.6  christos 
   3146  1.6  christos 	      /* {ld,ldx} [%rs1 + %rs2], %rd --> add %rs1, %rs2, %rd */
   3147  1.6  christos 	      relocation = 0x80000000 | (insn & 0x3e07c01f);
   3148  1.6  christos 	      bfd_put_32 (output_bfd, relocation, contents + rel->r_offset);
   3149  1.6  christos 
   3150  1.6  christos 	      /* If the symbol is global but not dynamic, an .rela.* slot has
   3151  1.6  christos 		 been allocated for it in the GOT so output R_SPARC_NONE here,
   3152  1.6  christos 		 if it isn't also subject to another, old-style GOT relocation.
   3153  1.6  christos 		 See also the handling of these GOT relocations just below.  */
   3154  1.6  christos 	      if (h != NULL
   3155  1.6  christos 		  && h->dynindx == -1
   3156  1.6  christos 		  && !h->forced_local
   3157  1.6  christos 		  && h->root.type != bfd_link_hash_undefweak
   3158  1.6  christos 		  && !eh->has_old_style_got_reloc
   3159  1.6  christos 		  && (h->got.offset & 1) == 0
   3160  1.6  christos 		  && bfd_link_pic (info))
   3161  1.6  christos 		{
   3162  1.6  christos 		  asection *s = htab->elf.srelgot;
   3163  1.6  christos 		  Elf_Internal_Rela outrel;
   3164  1.6  christos 
   3165  1.6  christos 		  BFD_ASSERT (s != NULL);
   3166  1.1  christos 
   3167  1.1  christos 		  memset (&outrel, 0, sizeof outrel);
   3168  1.1  christos 		  sparc_elf_append_rela (output_bfd, s, &outrel);
   3169  1.1  christos 		  h->got.offset |= 1;
   3170  1.1  christos 		}
   3171  1.1  christos 	    }
   3172  1.1  christos 	  continue;
   3173  1.1  christos 	}
   3174  1.1  christos 
   3175  1.1  christos       switch (r_type)
   3176  1.1  christos 	{
   3177  1.6  christos 	case R_SPARC_GOTDATA_HIX22:
   3178  1.6  christos 	case R_SPARC_GOTDATA_LOX10:
   3179  1.1  christos 	  relocation = gdopoff (info, relocation);
   3180  1.1  christos 	  break;
   3181  1.1  christos 
   3182  1.1  christos 	case R_SPARC_GOTDATA_OP_HIX22:
   3183  1.1  christos 	case R_SPARC_GOTDATA_OP_LOX10:
   3184  1.1  christos 	case R_SPARC_GOT10:
   3185  1.1  christos 	case R_SPARC_GOT13:
   3186  1.1  christos 	case R_SPARC_GOT22:
   3187  1.6  christos 	  /* Relocation is to the entry for this symbol in the global
   3188  1.1  christos 	     offset table.  */
   3189  1.1  christos 	  if (htab->elf.sgot == NULL)
   3190  1.1  christos 	    abort ();
   3191  1.1  christos 
   3192  1.1  christos 	  relative_reloc = FALSE;
   3193  1.1  christos 	  if (h != NULL)
   3194  1.1  christos 	    {
   3195  1.1  christos 	      bfd_boolean dyn;
   3196  1.3  christos 
   3197  1.3  christos 	      off = h->got.offset;
   3198  1.3  christos 	      BFD_ASSERT (off != (bfd_vma) -1);
   3199  1.3  christos 	      dyn = elf_hash_table (info)->dynamic_sections_created;
   3200  1.1  christos 
   3201  1.1  christos 	      if (! WILL_CALL_FINISH_DYNAMIC_SYMBOL (dyn,
   3202  1.1  christos 						     bfd_link_pic (info),
   3203  1.1  christos 						     h)
   3204  1.1  christos 		  || (bfd_link_pic (info)
   3205  1.1  christos 		      && SYMBOL_REFERENCES_LOCAL (info, h)))
   3206  1.1  christos 		{
   3207  1.1  christos 		  /* This is actually a static link, or it is a
   3208  1.1  christos 		     -Bsymbolic link and the symbol is defined
   3209  1.1  christos 		     locally, or the symbol was forced to be local
   3210  1.1  christos 		     because of a version file.  We must initialize
   3211  1.1  christos 		     this entry in the global offset table.  Since the
   3212  1.1  christos 		     offset must always be a multiple of 8 for 64-bit
   3213  1.1  christos 		     and 4 for 32-bit, we use the least significant bit
   3214  1.1  christos 		     to record whether we have initialized it already.
   3215  1.1  christos 
   3216  1.1  christos 		     When doing a dynamic link, we create a .rela.got
   3217  1.1  christos 		     relocation entry to initialize the value.  This
   3218  1.6  christos 		     is done in the finish_dynamic_symbol routine.  */
   3219  1.6  christos 		  if ((off & 1) != 0)
   3220  1.6  christos 		    off &= ~1;
   3221  1.6  christos 		  else
   3222  1.6  christos 		    {
   3223  1.6  christos 		      /* If this symbol isn't dynamic in PIC mode, treat it
   3224  1.6  christos 			 like a local symbol in PIC mode below.  */
   3225  1.6  christos 		      if (h->dynindx == -1
   3226  1.6  christos 			  && !h->forced_local
   3227  1.6  christos 			  && h->root.type != bfd_link_hash_undefweak
   3228  1.1  christos 			  && bfd_link_pic (info))
   3229  1.1  christos 			relative_reloc = TRUE;
   3230  1.1  christos 		      else
   3231  1.1  christos 			SPARC_ELF_PUT_WORD (htab, output_bfd, relocation,
   3232  1.1  christos 					    htab->elf.sgot->contents + off);
   3233  1.1  christos 		      h->got.offset |= 1;
   3234  1.1  christos 		    }
   3235  1.1  christos 		}
   3236  1.1  christos 	      else
   3237  1.1  christos 		unresolved_reloc = FALSE;
   3238  1.1  christos 	    }
   3239  1.1  christos 	  else
   3240  1.1  christos 	    {
   3241  1.1  christos 	      BFD_ASSERT (local_got_offsets != NULL
   3242  1.1  christos 			  && local_got_offsets[r_symndx] != (bfd_vma) -1);
   3243  1.1  christos 
   3244  1.1  christos 	      off = local_got_offsets[r_symndx];
   3245  1.1  christos 
   3246  1.1  christos 	      /* The offset must always be a multiple of 8 on 64-bit and
   3247  1.1  christos 		 4 on 32-bit.  We use the least significant bit to record
   3248  1.6  christos 		 whether we have already processed this entry.  */
   3249  1.6  christos 	      if ((off & 1) != 0)
   3250  1.6  christos 		off &= ~1;
   3251  1.6  christos 	      else
   3252  1.6  christos 		{
   3253  1.6  christos 		  /* For a local symbol in PIC mode, we need to generate a
   3254  1.6  christos 		     R_SPARC_RELATIVE reloc for the dynamic linker.  */
   3255  1.6  christos 		  if (bfd_link_pic (info))
   3256  1.6  christos 		    relative_reloc = TRUE;
   3257  1.6  christos 		  else
   3258  1.1  christos 		    SPARC_ELF_PUT_WORD (htab, output_bfd, relocation,
   3259  1.6  christos 					htab->elf.sgot->contents + off);
   3260  1.6  christos 		  local_got_offsets[r_symndx] |= 1;
   3261  1.6  christos 		}
   3262  1.6  christos 	    }
   3263  1.1  christos 
   3264  1.6  christos 	  if (relative_reloc)
   3265  1.1  christos 	    {
   3266  1.6  christos 	      asection *s = htab->elf.srelgot;
   3267  1.6  christos 	      Elf_Internal_Rela outrel;
   3268  1.6  christos 
   3269  1.6  christos 	      BFD_ASSERT (s != NULL);
   3270  1.6  christos 
   3271  1.6  christos 	      outrel.r_offset = (htab->elf.sgot->output_section->vma
   3272  1.6  christos 				 + htab->elf.sgot->output_offset
   3273  1.6  christos 				 + off);
   3274  1.6  christos 	      outrel.r_info = SPARC_ELF_R_INFO (htab, NULL,
   3275  1.6  christos 						0, R_SPARC_RELATIVE);
   3276  1.6  christos 	      outrel.r_addend = relocation;
   3277  1.6  christos 	      sparc_elf_append_rela (output_bfd, s, &outrel);
   3278  1.6  christos 	      /* Versions of glibc ld.so at least up to 2.26 wrongly
   3279  1.6  christos 		 add the section contents to the value calculated for
   3280  1.1  christos 		 a RELATIVE reloc.  Zero the contents to work around
   3281  1.6  christos 		 this bug.  */
   3282  1.1  christos 	      relocation = 0;
   3283  1.1  christos 	      SPARC_ELF_PUT_WORD (htab, output_bfd, relocation,
   3284  1.1  christos 				  htab->elf.sgot->contents + off);
   3285  1.1  christos 	    }
   3286  1.1  christos 
   3287  1.1  christos 	  relocation = htab->elf.sgot->output_offset + off - got_base;
   3288  1.1  christos 	  break;
   3289  1.1  christos 
   3290  1.1  christos 	case R_SPARC_PLT32:
   3291  1.1  christos 	case R_SPARC_PLT64:
   3292  1.1  christos 	  if (h == NULL || h->plt.offset == (bfd_vma) -1)
   3293  1.1  christos 	    {
   3294  1.1  christos 	      r_type = (r_type == R_SPARC_PLT32) ? R_SPARC_32 : R_SPARC_64;
   3295  1.1  christos 	      goto r_sparc_plt32;
   3296  1.1  christos 	    }
   3297  1.1  christos 	  /* Fall through.  */
   3298  1.1  christos 
   3299  1.1  christos 	case R_SPARC_WPLT30:
   3300  1.1  christos 	case R_SPARC_HIPLT22:
   3301  1.1  christos 	case R_SPARC_LOPLT10:
   3302  1.1  christos 	case R_SPARC_PCPLT32:
   3303  1.1  christos 	case R_SPARC_PCPLT22:
   3304  1.1  christos 	case R_SPARC_PCPLT10:
   3305  1.1  christos 	r_sparc_wplt30:
   3306  1.1  christos 	  /* Relocation is to the entry for this symbol in the
   3307  1.1  christos 	     procedure linkage table.  */
   3308  1.1  christos 
   3309  1.1  christos 	  if (! ABI_64_P (output_bfd))
   3310  1.1  christos 	    {
   3311  1.1  christos 	      /* The Solaris native assembler will generate a WPLT30 reloc
   3312  1.1  christos 		 for a local symbol if you assemble a call from one
   3313  1.3  christos 		 section to another when using -K pic.  We treat it as
   3314  1.1  christos 		 WDISP30.  */
   3315  1.1  christos 	      if (h == NULL)
   3316  1.1  christos 		break;
   3317  1.1  christos 	    }
   3318  1.1  christos 	  /* PR 7027: We need similar behaviour for 64-bit binaries.  */
   3319  1.1  christos 	  else if (r_type == R_SPARC_WPLT30 && h == NULL)
   3320  1.1  christos 	    break;
   3321  1.1  christos 	  else
   3322  1.1  christos 	    {
   3323  1.1  christos 	      BFD_ASSERT (h != NULL);
   3324  1.1  christos 	    }
   3325  1.1  christos 
   3326  1.1  christos 	  if (h->plt.offset == (bfd_vma) -1 || htab->elf.splt == NULL)
   3327  1.1  christos 	    {
   3328  1.1  christos 	      /* We didn't make a PLT entry for this symbol.  This
   3329  1.1  christos 		 happens when statically linking PIC code, or when
   3330  1.1  christos 		 using -Bsymbolic.  */
   3331  1.1  christos 	      break;
   3332  1.1  christos 	    }
   3333  1.1  christos 
   3334  1.1  christos 	  relocation = (htab->elf.splt->output_section->vma
   3335  1.1  christos 			+ htab->elf.splt->output_offset
   3336  1.1  christos 			+ h->plt.offset);
   3337  1.1  christos 	  unresolved_reloc = FALSE;
   3338  1.1  christos 	  if (r_type == R_SPARC_PLT32 || r_type == R_SPARC_PLT64)
   3339  1.1  christos 	    {
   3340  1.1  christos 	      r_type = r_type == R_SPARC_PLT32 ? R_SPARC_32 : R_SPARC_64;
   3341  1.1  christos 	      is_plt = TRUE;
   3342  1.1  christos 	      goto r_sparc_plt32;
   3343  1.1  christos 	    }
   3344  1.1  christos 	  break;
   3345  1.1  christos 
   3346  1.1  christos 	case R_SPARC_PC10:
   3347  1.1  christos 	case R_SPARC_PC22:
   3348  1.1  christos 	case R_SPARC_PC_HH22:
   3349  1.1  christos 	case R_SPARC_PC_HM10:
   3350  1.1  christos 	case R_SPARC_PC_LM22:
   3351  1.1  christos 	  if (h != NULL
   3352  1.1  christos 	      && strcmp (h->root.root.string, "_GLOBAL_OFFSET_TABLE_") == 0)
   3353  1.1  christos 	    break;
   3354  1.1  christos 	  /* Fall through.  */
   3355  1.1  christos 	case R_SPARC_DISP8:
   3356  1.1  christos 	case R_SPARC_DISP16:
   3357  1.1  christos 	case R_SPARC_DISP32:
   3358  1.1  christos 	case R_SPARC_DISP64:
   3359  1.1  christos 	case R_SPARC_WDISP30:
   3360  1.1  christos 	case R_SPARC_WDISP22:
   3361  1.1  christos 	case R_SPARC_WDISP19:
   3362  1.1  christos 	case R_SPARC_WDISP16:
   3363  1.1  christos 	case R_SPARC_WDISP10:
   3364  1.1  christos 	case R_SPARC_8:
   3365  1.1  christos 	case R_SPARC_16:
   3366  1.1  christos 	case R_SPARC_32:
   3367  1.1  christos 	case R_SPARC_HI22:
   3368  1.1  christos 	case R_SPARC_22:
   3369  1.1  christos 	case R_SPARC_13:
   3370  1.1  christos 	case R_SPARC_LO10:
   3371  1.1  christos 	case R_SPARC_UA16:
   3372  1.1  christos 	case R_SPARC_UA32:
   3373  1.1  christos 	case R_SPARC_10:
   3374  1.1  christos 	case R_SPARC_11:
   3375  1.1  christos 	case R_SPARC_64:
   3376  1.1  christos 	case R_SPARC_OLO10:
   3377  1.1  christos 	case R_SPARC_HH22:
   3378  1.1  christos 	case R_SPARC_HM10:
   3379  1.1  christos 	case R_SPARC_LM22:
   3380  1.1  christos 	case R_SPARC_7:
   3381  1.1  christos 	case R_SPARC_5:
   3382  1.1  christos 	case R_SPARC_6:
   3383  1.1  christos 	case R_SPARC_HIX22:
   3384  1.1  christos 	case R_SPARC_LOX10:
   3385  1.1  christos 	case R_SPARC_H44:
   3386  1.6  christos 	case R_SPARC_M44:
   3387  1.1  christos 	case R_SPARC_L44:
   3388  1.1  christos 	case R_SPARC_H34:
   3389  1.6  christos 	case R_SPARC_UA64:
   3390  1.6  christos 	r_sparc_plt32:
   3391  1.6  christos 	  if ((input_section->flags & SEC_ALLOC) == 0 || is_vxworks_tls)
   3392  1.3  christos 	    break;
   3393  1.1  christos 
   3394  1.6  christos 	  /* Copy dynamic function pointer relocations.  Don't generate
   3395  1.6  christos 	     dynamic relocations against resolved undefined weak symbols
   3396  1.6  christos 	     in PIE.  */
   3397  1.1  christos 	  if ((bfd_link_pic (info)
   3398  1.1  christos 	       && (h == NULL
   3399  1.3  christos 		   || !(h->root.type == bfd_link_hash_undefweak
   3400  1.1  christos 			&& (ELF_ST_VISIBILITY (h->other) != STV_DEFAULT
   3401  1.1  christos 			    || resolved_to_zero)))
   3402  1.1  christos 	       && (! howto->pc_relative
   3403  1.1  christos 		   || !SYMBOL_CALLS_LOCAL (info, h)))
   3404  1.1  christos 	      || (!bfd_link_pic (info)
   3405  1.6  christos 		  && h != NULL
   3406  1.6  christos 		  && h->dynindx != -1
   3407  1.1  christos 		  && !h->non_got_ref
   3408  1.1  christos 		  && ((h->def_dynamic
   3409  1.1  christos 		       && !h->def_regular)
   3410  1.1  christos 		      || (h->root.type == bfd_link_hash_undefweak
   3411  1.1  christos 			  && !resolved_to_zero)
   3412  1.1  christos 		      || h->root.type == bfd_link_hash_undefined)))
   3413  1.1  christos 	    {
   3414  1.1  christos 	      Elf_Internal_Rela outrel;
   3415  1.1  christos 	      bfd_boolean skip, relocate = FALSE;
   3416  1.1  christos 
   3417  1.1  christos 	      /* When generating a shared object, these relocations
   3418  1.1  christos 		 are copied into the output file to be resolved at run
   3419  1.1  christos 		 time.  */
   3420  1.1  christos 
   3421  1.1  christos 	      BFD_ASSERT (sreloc != NULL);
   3422  1.1  christos 
   3423  1.1  christos 	      skip = FALSE;
   3424  1.1  christos 
   3425  1.1  christos 	      outrel.r_offset =
   3426  1.1  christos 		_bfd_elf_section_offset (output_bfd, info, input_section,
   3427  1.1  christos 					 rel->r_offset);
   3428  1.1  christos 	      if (outrel.r_offset == (bfd_vma) -1)
   3429  1.1  christos 		skip = TRUE;
   3430  1.1  christos 	      else if (outrel.r_offset == (bfd_vma) -2)
   3431  1.1  christos 		skip = TRUE, relocate = TRUE;
   3432  1.1  christos 	      outrel.r_offset += (input_section->output_section->vma
   3433  1.1  christos 				  + input_section->output_offset);
   3434  1.1  christos 
   3435  1.1  christos 	      /* Optimize unaligned reloc usage now that we know where
   3436  1.1  christos 		 it finally resides.  */
   3437  1.1  christos 	      switch (r_type)
   3438  1.1  christos 		{
   3439  1.1  christos 		case R_SPARC_16:
   3440  1.1  christos 		  if (outrel.r_offset & 1)
   3441  1.1  christos 		    r_type = R_SPARC_UA16;
   3442  1.1  christos 		  break;
   3443  1.1  christos 		case R_SPARC_UA16:
   3444  1.1  christos 		  if (!(outrel.r_offset & 1))
   3445  1.1  christos 		    r_type = R_SPARC_16;
   3446  1.1  christos 		  break;
   3447  1.1  christos 		case R_SPARC_32:
   3448  1.1  christos 		  if (outrel.r_offset & 3)
   3449  1.1  christos 		    r_type = R_SPARC_UA32;
   3450  1.1  christos 		  break;
   3451  1.1  christos 		case R_SPARC_UA32:
   3452  1.1  christos 		  if (!(outrel.r_offset & 3))
   3453  1.1  christos 		    r_type = R_SPARC_32;
   3454  1.1  christos 		  break;
   3455  1.1  christos 		case R_SPARC_64:
   3456  1.1  christos 		  if (outrel.r_offset & 7)
   3457  1.1  christos 		    r_type = R_SPARC_UA64;
   3458  1.6  christos 		  break;
   3459  1.1  christos 		case R_SPARC_UA64:
   3460  1.6  christos 		  if (!(outrel.r_offset & 7))
   3461  1.6  christos 		    r_type = R_SPARC_64;
   3462  1.1  christos 		  break;
   3463  1.1  christos 		case R_SPARC_DISP8:
   3464  1.1  christos 		case R_SPARC_DISP16:
   3465  1.1  christos 		case R_SPARC_DISP32:
   3466  1.1  christos 		case R_SPARC_DISP64:
   3467  1.1  christos 		  /* If the symbol is not dynamic, we should not keep
   3468  1.1  christos 		     a dynamic relocation.  But an .rela.* slot has been
   3469  1.1  christos 		     allocated for it, output R_SPARC_NONE.
   3470  1.1  christos 		     FIXME: Add code tracking needed dynamic relocs as
   3471  1.1  christos 		     e.g. i386 has.  */
   3472  1.1  christos 		  if (h->dynindx == -1)
   3473  1.1  christos 		    skip = TRUE, relocate = TRUE;
   3474  1.1  christos 		  break;
   3475  1.1  christos 		}
   3476  1.3  christos 
   3477  1.3  christos 	      if (skip)
   3478  1.3  christos 		memset (&outrel, 0, sizeof outrel);
   3479  1.3  christos 	      /* h->dynindx may be -1 if the symbol was marked to
   3480  1.1  christos 		 become local.  */
   3481  1.1  christos 	      else if (h != NULL
   3482  1.1  christos 		       && h->dynindx != -1
   3483  1.1  christos 		       && (_bfd_sparc_elf_howto_table[r_type].pc_relative
   3484  1.1  christos 			   || !bfd_link_pic (info)
   3485  1.1  christos 			   || !SYMBOLIC_BIND (info, h)
   3486  1.1  christos 			   || !h->def_regular))
   3487  1.1  christos 		{
   3488  1.5  christos 		  outrel.r_info = SPARC_ELF_R_INFO (htab, rel, h->dynindx, r_type);
   3489  1.5  christos 		  outrel.r_addend = rel->r_addend;
   3490  1.1  christos 		}
   3491  1.1  christos 	      else
   3492  1.1  christos 		{
   3493  1.1  christos 		  if (  (!ABI_64_P (output_bfd) && r_type == R_SPARC_32)
   3494  1.1  christos 		      || (ABI_64_P (output_bfd) && r_type == R_SPARC_64))
   3495  1.1  christos 		    {
   3496  1.1  christos 		      outrel.r_info = SPARC_ELF_R_INFO (htab, NULL,
   3497  1.1  christos 							0, R_SPARC_RELATIVE);
   3498  1.1  christos 		      outrel.r_addend = relocation + rel->r_addend;
   3499  1.1  christos 		    }
   3500  1.1  christos 		  else
   3501  1.1  christos 		    {
   3502  1.1  christos 		      long indx;
   3503  1.1  christos 
   3504  1.1  christos 		      outrel.r_addend = relocation + rel->r_addend;
   3505  1.1  christos 
   3506  1.1  christos 		      if (is_plt)
   3507  1.1  christos 			sec = htab->elf.splt;
   3508  1.1  christos 
   3509  1.1  christos 		      if (bfd_is_abs_section (sec))
   3510  1.1  christos 			indx = 0;
   3511  1.1  christos 		      else if (sec == NULL || sec->owner == NULL)
   3512  1.1  christos 			{
   3513  1.1  christos 			  bfd_set_error (bfd_error_bad_value);
   3514  1.1  christos 			  return FALSE;
   3515  1.1  christos 			}
   3516  1.1  christos 		      else
   3517  1.1  christos 			{
   3518  1.1  christos 			  asection *osec;
   3519  1.1  christos 
   3520  1.1  christos 			  /* We are turning this relocation into one
   3521  1.1  christos 			     against a section symbol.  It would be
   3522  1.1  christos 			     proper to subtract the symbol's value,
   3523  1.1  christos 			     osec->vma, from the emitted reloc addend,
   3524  1.1  christos 			     but ld.so expects buggy relocs.  */
   3525  1.1  christos 			  osec = sec->output_section;
   3526  1.1  christos 			  indx = elf_section_data (osec)->dynindx;
   3527  1.1  christos 
   3528  1.1  christos 			  if (indx == 0)
   3529  1.1  christos 			    {
   3530  1.1  christos 			      osec = htab->elf.text_index_section;
   3531  1.1  christos 			      indx = elf_section_data (osec)->dynindx;
   3532  1.1  christos 			    }
   3533  1.1  christos 
   3534  1.6  christos 			  /* FIXME: we really should be able to link non-pic
   3535  1.6  christos 			     shared libraries.  */
   3536  1.1  christos 			  if (indx == 0)
   3537  1.1  christos 			    {
   3538  1.1  christos 			      BFD_FAIL ();
   3539  1.1  christos 			      _bfd_error_handler
   3540  1.1  christos 				(_("%pB: probably compiled without -fPIC?"),
   3541  1.1  christos 				 input_bfd);
   3542  1.1  christos 			      bfd_set_error (bfd_error_bad_value);
   3543  1.1  christos 			      return FALSE;
   3544  1.1  christos 			    }
   3545  1.1  christos 			}
   3546  1.1  christos 
   3547  1.1  christos 		      outrel.r_info = SPARC_ELF_R_INFO (htab, rel, indx,
   3548  1.1  christos 							r_type);
   3549  1.1  christos 		    }
   3550  1.1  christos 		}
   3551  1.1  christos 
   3552  1.1  christos 	      sparc_elf_append_rela (output_bfd, sreloc, &outrel);
   3553  1.1  christos 
   3554  1.1  christos 	      /* This reloc will be computed at runtime, so there's no
   3555  1.1  christos 		 need to do anything now.  */
   3556  1.1  christos 	      if (! relocate)
   3557  1.1  christos 		continue;
   3558  1.1  christos 	    }
   3559  1.1  christos 	  break;
   3560  1.6  christos 
   3561  1.6  christos 	case R_SPARC_TLS_GD_HI22:
   3562  1.6  christos 	case R_SPARC_TLS_GD_LO10:
   3563  1.6  christos 	case R_SPARC_TLS_IE_HI22:
   3564  1.6  christos 	case R_SPARC_TLS_IE_LO10:
   3565  1.6  christos 	  r_type = sparc_elf_tls_transition (info, input_bfd, r_type,
   3566  1.6  christos 					     h == NULL || h->dynindx == -1);
   3567  1.1  christos 	  if (r_type == R_SPARC_REV32)
   3568  1.1  christos 	    break;
   3569  1.1  christos 	  if (h != NULL)
   3570  1.1  christos 	    tls_type = _bfd_sparc_elf_hash_entry (h)->tls_type;
   3571  1.5  christos 	  else if (local_got_offsets)
   3572  1.3  christos 	    tls_type = _bfd_sparc_elf_local_got_tls_type (input_bfd) [r_symndx];
   3573  1.3  christos 	  else if (h != NULL)
   3574  1.1  christos 	    {
   3575  1.1  christos 	      tls_type = _bfd_sparc_elf_hash_entry(h)->tls_type;
   3576  1.1  christos 	      if (!bfd_link_dll (info)
   3577  1.1  christos 		  && h->dynindx == -1
   3578  1.1  christos 		  && tls_type == GOT_TLS_IE)
   3579  1.1  christos 		switch (SPARC_ELF_R_TYPE (rel->r_info))
   3580  1.1  christos 		  {
   3581  1.1  christos 		  case R_SPARC_TLS_GD_HI22:
   3582  1.1  christos 		  case R_SPARC_TLS_IE_HI22:
   3583  1.1  christos 		    r_type = R_SPARC_TLS_LE_HIX22;
   3584  1.1  christos 		    break;
   3585  1.6  christos 		  default:
   3586  1.6  christos 		    r_type = R_SPARC_TLS_LE_LOX10;
   3587  1.1  christos 		    break;
   3588  1.1  christos 		  }
   3589  1.1  christos 	    }
   3590  1.1  christos 	  else
   3591  1.1  christos 	    tls_type = GOT_UNKNOWN;
   3592  1.1  christos 	  if (tls_type == GOT_TLS_IE)
   3593  1.1  christos 	    switch (r_type)
   3594  1.1  christos 	      {
   3595  1.1  christos 	      case R_SPARC_TLS_GD_HI22:
   3596  1.1  christos 		r_type = R_SPARC_TLS_IE_HI22;
   3597  1.1  christos 		break;
   3598  1.1  christos 	      case R_SPARC_TLS_GD_LO10:
   3599  1.1  christos 		r_type = R_SPARC_TLS_IE_LO10;
   3600  1.1  christos 		break;
   3601  1.1  christos 	      }
   3602  1.1  christos 
   3603  1.1  christos 	  if (r_type == R_SPARC_TLS_LE_HIX22)
   3604  1.1  christos 	    {
   3605  1.1  christos 	      relocation = tpoff (info, relocation);
   3606  1.1  christos 	      break;
   3607  1.1  christos 	    }
   3608  1.1  christos 	  if (r_type == R_SPARC_TLS_LE_LOX10)
   3609  1.1  christos 	    {
   3610  1.1  christos 	      /* Change add into xor.  */
   3611  1.1  christos 	      relocation = tpoff (info, relocation);
   3612  1.1  christos 	      bfd_put_32 (output_bfd, (bfd_get_32 (input_bfd,
   3613  1.1  christos 						   contents + rel->r_offset)
   3614  1.1  christos 				       | 0x80182000), contents + rel->r_offset);
   3615  1.1  christos 	      break;
   3616  1.1  christos 	    }
   3617  1.1  christos 
   3618  1.1  christos 	  if (h != NULL)
   3619  1.1  christos 	    {
   3620  1.1  christos 	      off = h->got.offset;
   3621  1.1  christos 	      h->got.offset |= 1;
   3622  1.1  christos 	    }
   3623  1.1  christos 	  else
   3624  1.1  christos 	    {
   3625  1.1  christos 	      BFD_ASSERT (local_got_offsets != NULL);
   3626  1.1  christos 	      off = local_got_offsets[r_symndx];
   3627  1.1  christos 	      local_got_offsets[r_symndx] |= 1;
   3628  1.1  christos 	    }
   3629  1.1  christos 
   3630  1.1  christos 	r_sparc_tlsldm:
   3631  1.1  christos 	  if (htab->elf.sgot == NULL)
   3632  1.1  christos 	    abort ();
   3633  1.1  christos 
   3634  1.1  christos 	  if ((off & 1) != 0)
   3635  1.1  christos 	    off &= ~1;
   3636  1.1  christos 	  else
   3637  1.1  christos 	    {
   3638  1.1  christos 	      Elf_Internal_Rela outrel;
   3639  1.1  christos 	      int dr_type, indx;
   3640  1.1  christos 
   3641  1.1  christos 	      if (htab->elf.srelgot == NULL)
   3642  1.1  christos 		abort ();
   3643  1.1  christos 
   3644  1.1  christos 	      SPARC_ELF_PUT_WORD (htab, output_bfd, 0,
   3645  1.1  christos 				  htab->elf.sgot->contents + off);
   3646  1.1  christos 	      outrel.r_offset = (htab->elf.sgot->output_section->vma
   3647  1.1  christos 				 + htab->elf.sgot->output_offset + off);
   3648  1.1  christos 	      indx = h && h->dynindx != -1 ? h->dynindx : 0;
   3649  1.1  christos 	      if (r_type == R_SPARC_TLS_IE_HI22
   3650  1.1  christos 		  || r_type == R_SPARC_TLS_IE_LO10)
   3651  1.1  christos 		dr_type = SPARC_ELF_TPOFF_RELOC (htab);
   3652  1.1  christos 	      else
   3653  1.1  christos 		dr_type = SPARC_ELF_DTPMOD_RELOC (htab);
   3654  1.1  christos 	      if (dr_type == SPARC_ELF_TPOFF_RELOC (htab) && indx == 0)
   3655  1.1  christos 		outrel.r_addend = relocation - dtpoff_base (info);
   3656  1.1  christos 	      else
   3657  1.1  christos 		outrel.r_addend = 0;
   3658  1.1  christos 	      outrel.r_info = SPARC_ELF_R_INFO (htab, NULL, indx, dr_type);
   3659  1.1  christos 	      sparc_elf_append_rela (output_bfd, htab->elf.srelgot, &outrel);
   3660  1.1  christos 
   3661  1.6  christos 	      if (r_type == R_SPARC_TLS_GD_HI22
   3662  1.1  christos 		  || r_type == R_SPARC_TLS_GD_LO10)
   3663  1.1  christos 		{
   3664  1.1  christos 		  if (indx == 0)
   3665  1.1  christos 		    {
   3666  1.1  christos 		      BFD_ASSERT (! unresolved_reloc);
   3667  1.1  christos 		      SPARC_ELF_PUT_WORD (htab, output_bfd,
   3668  1.1  christos 					  relocation - dtpoff_base (info),
   3669  1.1  christos 					  (htab->elf.sgot->contents + off
   3670  1.1  christos 					   + SPARC_ELF_WORD_BYTES (htab)));
   3671  1.1  christos 		    }
   3672  1.1  christos 		  else
   3673  1.1  christos 		    {
   3674  1.1  christos 		      SPARC_ELF_PUT_WORD (htab, output_bfd, 0,
   3675  1.1  christos 					  (htab->elf.sgot->contents + off
   3676  1.1  christos 					   + SPARC_ELF_WORD_BYTES (htab)));
   3677  1.1  christos 		      outrel.r_info = SPARC_ELF_R_INFO (htab, NULL, indx,
   3678  1.1  christos 							SPARC_ELF_DTPOFF_RELOC (htab));
   3679  1.1  christos 		      outrel.r_offset += SPARC_ELF_WORD_BYTES (htab);
   3680  1.1  christos 		      sparc_elf_append_rela (output_bfd, htab->elf.srelgot,
   3681  1.1  christos 					     &outrel);
   3682  1.1  christos 		    }
   3683  1.1  christos 		}
   3684  1.1  christos 	      else if (dr_type == SPARC_ELF_DTPMOD_RELOC (htab))
   3685  1.1  christos 		{
   3686  1.1  christos 		  SPARC_ELF_PUT_WORD (htab, output_bfd, 0,
   3687  1.1  christos 				      (htab->elf.sgot->contents + off
   3688  1.1  christos 				       + SPARC_ELF_WORD_BYTES (htab)));
   3689  1.1  christos 		}
   3690  1.1  christos 	    }
   3691  1.1  christos 
   3692  1.1  christos 	  if (off >= (bfd_vma) -2)
   3693  1.1  christos 	    abort ();
   3694  1.1  christos 
   3695  1.1  christos 	  relocation = htab->elf.sgot->output_offset + off - got_base;
   3696  1.1  christos 	  unresolved_reloc = FALSE;
   3697  1.6  christos 	  howto = _bfd_sparc_elf_howto_table + r_type;
   3698  1.6  christos 	  break;
   3699  1.1  christos 
   3700  1.1  christos 	case R_SPARC_TLS_LDM_HI22:
   3701  1.1  christos 	case R_SPARC_TLS_LDM_LO10:
   3702  1.1  christos 	  /* LD -> LE */
   3703  1.1  christos 	  if (bfd_link_executable (info))
   3704  1.1  christos 	    {
   3705  1.1  christos 	      bfd_put_32 (output_bfd, SPARC_NOP, contents + rel->r_offset);
   3706  1.1  christos 	      continue;
   3707  1.1  christos 	    }
   3708  1.1  christos 	  off = htab->tls_ldm_got.offset;
   3709  1.6  christos 	  htab->tls_ldm_got.offset |= 1;
   3710  1.6  christos 	  goto r_sparc_tlsldm;
   3711  1.6  christos 
   3712  1.6  christos 	case R_SPARC_TLS_LDO_HIX22:
   3713  1.6  christos 	case R_SPARC_TLS_LDO_LOX10:
   3714  1.6  christos 	  /* LD -> LE */
   3715  1.6  christos 	  if (bfd_link_executable (info))
   3716  1.6  christos 	    {
   3717  1.6  christos 	      if (r_type == R_SPARC_TLS_LDO_HIX22)
   3718  1.1  christos 		r_type = R_SPARC_TLS_LE_HIX22;
   3719  1.1  christos 	      else
   3720  1.1  christos 		r_type = R_SPARC_TLS_LE_LOX10;
   3721  1.1  christos 	    }
   3722  1.1  christos 	  else
   3723  1.1  christos 	    {
   3724  1.1  christos 	      relocation -= dtpoff_base (info);
   3725  1.1  christos 	      break;
   3726  1.6  christos 	    }
   3727  1.1  christos 	  /* Fall through.  */
   3728  1.1  christos 
   3729  1.6  christos 	case R_SPARC_TLS_LE_HIX22:
   3730  1.6  christos 	case R_SPARC_TLS_LE_LOX10:
   3731  1.6  christos 	  if (!bfd_link_executable (info))
   3732  1.6  christos 	    {
   3733  1.1  christos 	      Elf_Internal_Rela outrel;
   3734  1.1  christos 	      bfd_vma offset
   3735  1.1  christos 		= _bfd_elf_section_offset (output_bfd, info, input_section,
   3736  1.6  christos 					   rel->r_offset);
   3737  1.6  christos 	      if (offset == (bfd_vma) -1 || offset == (bfd_vma) -2)
   3738  1.6  christos 		memset (&outrel, 0, sizeof outrel);
   3739  1.1  christos 	      else
   3740  1.6  christos 		{
   3741  1.6  christos 		  outrel.r_offset = offset
   3742  1.1  christos 				    + input_section->output_section->vma
   3743  1.1  christos 				    + input_section->output_offset;
   3744  1.6  christos 		  outrel.r_info = SPARC_ELF_R_INFO (htab, NULL, 0, r_type);
   3745  1.1  christos 		  outrel.r_addend
   3746  1.1  christos 		    = relocation - dtpoff_base (info) + rel->r_addend;
   3747  1.1  christos 		}
   3748  1.1  christos 
   3749  1.1  christos 	      BFD_ASSERT (sreloc != NULL);
   3750  1.1  christos 	      sparc_elf_append_rela (output_bfd, sreloc, &outrel);
   3751  1.1  christos 	      continue;
   3752  1.6  christos 	    }
   3753  1.6  christos 	  relocation = tpoff (info, relocation);
   3754  1.1  christos 	  break;
   3755  1.1  christos 
   3756  1.1  christos 	case R_SPARC_TLS_LDM_CALL:
   3757  1.1  christos 	  /* LD -> LE */
   3758  1.1  christos 	  if (bfd_link_executable (info))
   3759  1.1  christos 	    {
   3760  1.1  christos 	      /* mov %g0, %o0 */
   3761  1.1  christos 	      bfd_put_32 (output_bfd, 0x90100000, contents + rel->r_offset);
   3762  1.6  christos 	      continue;
   3763  1.6  christos 	    }
   3764  1.6  christos 	  /* Fall through */
   3765  1.1  christos 
   3766  1.1  christos 	case R_SPARC_TLS_GD_CALL:
   3767  1.1  christos 	  if (h != NULL)
   3768  1.6  christos 	    tls_type = _bfd_sparc_elf_hash_entry (h)->tls_type;
   3769  1.6  christos 	  else if (local_got_offsets)
   3770  1.6  christos 	    tls_type = _bfd_sparc_elf_local_got_tls_type (input_bfd) [r_symndx];
   3771  1.6  christos 	  else if (h != NULL)
   3772  1.1  christos 	    tls_type = _bfd_sparc_elf_hash_entry(h)->tls_type;
   3773  1.1  christos 	  else
   3774  1.1  christos 	    tls_type = GOT_UNKNOWN;
   3775  1.1  christos 	  /* GD -> IE or LE */
   3776  1.1  christos 	  if (bfd_link_executable (info)
   3777  1.6  christos 	      || (r_type == R_SPARC_TLS_GD_CALL && tls_type == GOT_TLS_IE))
   3778  1.6  christos 	    {
   3779  1.1  christos 	      Elf_Internal_Rela *rel2;
   3780  1.1  christos 	      bfd_vma insn;
   3781  1.1  christos 
   3782  1.1  christos 	      /* GD -> LE */
   3783  1.1  christos 	      if (bfd_link_executable (info) && (h == NULL || h->dynindx == -1))
   3784  1.1  christos 		{
   3785  1.1  christos 		  bfd_put_32 (output_bfd, SPARC_NOP, contents + rel->r_offset);
   3786  1.1  christos 		  continue;
   3787  1.1  christos 		}
   3788  1.1  christos 
   3789  1.1  christos 	      /* GD -> IE */
   3790  1.1  christos 	      if (rel + 1 < relend
   3791  1.1  christos 		  && SPARC_ELF_R_TYPE (rel[1].r_info) == R_SPARC_TLS_GD_ADD
   3792  1.1  christos 		  && rel[1].r_offset == rel->r_offset + 4
   3793  1.1  christos 		  && SPARC_ELF_R_SYMNDX (htab, rel[1].r_info) == r_symndx
   3794  1.1  christos 		  && (((insn = bfd_get_32 (input_bfd,
   3795  1.1  christos 					   contents + rel[1].r_offset))
   3796  1.1  christos 		       >> 25) & 0x1f) == 8)
   3797  1.1  christos 		{
   3798  1.1  christos 		  /* We have
   3799  1.1  christos 		     call __tls_get_addr, %tgd_call(foo)
   3800  1.1  christos 		      add %reg1, %reg2, %o0, %tgd_add(foo)
   3801  1.1  christos 		     and change it into IE:
   3802  1.1  christos 		     {ld,ldx} [%reg1 + %reg2], %o0, %tie_ldx(foo)
   3803  1.1  christos 		     add %g7, %o0, %o0, %tie_add(foo).
   3804  1.1  christos 		     add is 0x80000000 | (rd << 25) | (rs1 << 14) | rs2,
   3805  1.1  christos 		     ld is 0xc0000000 | (rd << 25) | (rs1 << 14) | rs2,
   3806  1.1  christos 		     ldx is 0xc0580000 | (rd << 25) | (rs1 << 14) | rs2.  */
   3807  1.1  christos 		  bfd_put_32 (output_bfd, insn | (ABI_64_P (output_bfd) ? 0xc0580000 : 0xc0000000),
   3808  1.1  christos 			      contents + rel->r_offset);
   3809  1.1  christos 		  bfd_put_32 (output_bfd, 0x9001c008,
   3810  1.1  christos 			      contents + rel->r_offset + 4);
   3811  1.1  christos 		  rel++;
   3812  1.1  christos 		  continue;
   3813  1.1  christos 		}
   3814  1.1  christos 
   3815  1.1  christos 	      /* We cannot just overwrite the delay slot instruction,
   3816  1.1  christos 		 as it might be what puts the %o0 argument to
   3817  1.1  christos 		 __tls_get_addr into place.  So we have to transpose
   3818  1.1  christos 		 the delay slot with the add we patch in.  */
   3819  1.1  christos 	      insn = bfd_get_32 (input_bfd, contents + rel->r_offset + 4);
   3820  1.1  christos 	      bfd_put_32 (output_bfd, insn,
   3821  1.1  christos 			  contents + rel->r_offset);
   3822  1.1  christos 	      bfd_put_32 (output_bfd, 0x9001c008,
   3823  1.1  christos 			  contents + rel->r_offset + 4);
   3824  1.1  christos 
   3825  1.1  christos 	      rel2 = rel;
   3826  1.1  christos 	      while ((rel2 = sparc_elf_find_reloc_at_ofs (rel2 + 1, relend,
   3827  1.1  christos 							  rel->r_offset + 4))
   3828  1.1  christos 		     != NULL)
   3829  1.1  christos 		{
   3830  1.1  christos 		  /* If the instruction we moved has a relocation attached to
   3831  1.1  christos 		     it, adjust the offset so that it will apply to the correct
   3832  1.1  christos 		     instruction.  */
   3833  1.1  christos 		  rel2->r_offset -= 4;
   3834  1.1  christos 		}
   3835  1.1  christos 	      continue;
   3836  1.1  christos 	    }
   3837  1.1  christos 
   3838  1.1  christos 	  h = (struct elf_link_hash_entry *)
   3839  1.1  christos 	      bfd_link_hash_lookup (info->hash, "__tls_get_addr", FALSE,
   3840  1.1  christos 				    FALSE, TRUE);
   3841  1.1  christos 	  BFD_ASSERT (h != NULL);
   3842  1.6  christos 	  r_type = R_SPARC_WPLT30;
   3843  1.6  christos 	  howto = _bfd_sparc_elf_howto_table + r_type;
   3844  1.6  christos 	  goto r_sparc_wplt30;
   3845  1.1  christos 
   3846  1.6  christos 	case R_SPARC_TLS_GD_ADD:
   3847  1.6  christos 	  if (h != NULL)
   3848  1.6  christos 	    tls_type = _bfd_sparc_elf_hash_entry (h)->tls_type;
   3849  1.6  christos 	  else if (local_got_offsets)
   3850  1.1  christos 	    tls_type = _bfd_sparc_elf_local_got_tls_type (input_bfd) [r_symndx];
   3851  1.1  christos 	  else
   3852  1.1  christos 	    tls_type = GOT_UNKNOWN;
   3853  1.1  christos 	  /* GD -> IE or LE */
   3854  1.1  christos 	  if (bfd_link_executable (info) || tls_type == GOT_TLS_IE)
   3855  1.1  christos 	    {
   3856  1.1  christos 	      /* add %reg1, %reg2, %reg3, %tgd_add(foo)
   3857  1.6  christos 		 changed into IE:
   3858  1.6  christos 		 {ld,ldx} [%reg1 + %reg2], %reg3, %tie_ldx(foo)
   3859  1.6  christos 		 or LE:
   3860  1.1  christos 		 add %g7, %reg2, %reg3.  */
   3861  1.1  christos 	      bfd_vma insn = bfd_get_32 (input_bfd, contents + rel->r_offset);
   3862  1.1  christos 	      if (bfd_link_executable (info) && (h == NULL || h->dynindx == -1))
   3863  1.1  christos 		relocation = (insn & ~0x7c000) | 0x1c000;
   3864  1.1  christos 	      else
   3865  1.1  christos 		relocation = insn | (ABI_64_P (output_bfd) ? 0xc0580000 : 0xc0000000);
   3866  1.6  christos 	      bfd_put_32 (output_bfd, relocation, contents + rel->r_offset);
   3867  1.6  christos 	    }
   3868  1.1  christos 	  continue;
   3869  1.1  christos 
   3870  1.1  christos 	case R_SPARC_TLS_LDM_ADD:
   3871  1.1  christos 	  /* LD -> LE */
   3872  1.6  christos 	  if (bfd_link_executable (info))
   3873  1.6  christos 	    bfd_put_32 (output_bfd, SPARC_NOP, contents + rel->r_offset);
   3874  1.1  christos 	  continue;
   3875  1.1  christos 
   3876  1.1  christos 	case R_SPARC_TLS_LDO_ADD:
   3877  1.1  christos 	  /* LD -> LE */
   3878  1.1  christos 	  if (bfd_link_executable (info))
   3879  1.1  christos 	    {
   3880  1.1  christos 	      /* Change rs1 into %g7.  */
   3881  1.1  christos 	      bfd_vma insn = bfd_get_32 (input_bfd, contents + rel->r_offset);
   3882  1.1  christos 	      insn = (insn & ~0x7c000) | 0x1c000;
   3883  1.1  christos 	      bfd_put_32 (output_bfd, insn, contents + rel->r_offset);
   3884  1.6  christos 	    }
   3885  1.6  christos 	  continue;
   3886  1.1  christos 
   3887  1.1  christos 	case R_SPARC_TLS_IE_LD:
   3888  1.1  christos 	case R_SPARC_TLS_IE_LDX:
   3889  1.1  christos 	  /* IE -> LE */
   3890  1.1  christos 	  if (bfd_link_executable (info) && (h == NULL || h->dynindx == -1))
   3891  1.1  christos 	    {
   3892  1.1  christos 	      bfd_vma insn = bfd_get_32 (input_bfd, contents + rel->r_offset);
   3893  1.1  christos 	      int rs2 = insn & 0x1f;
   3894  1.1  christos 	      int rd = (insn >> 25) & 0x1f;
   3895  1.1  christos 
   3896  1.1  christos 	      if (rs2 == rd)
   3897  1.1  christos 		relocation = SPARC_NOP;
   3898  1.1  christos 	      else
   3899  1.1  christos 		relocation = 0x80100000 | (insn & 0x3e00001f);
   3900  1.1  christos 	      bfd_put_32 (output_bfd, relocation, contents + rel->r_offset);
   3901  1.1  christos 	    }
   3902  1.1  christos 	  continue;
   3903  1.1  christos 
   3904  1.1  christos 	case R_SPARC_TLS_IE_ADD:
   3905  1.1  christos 	  /* Totally useless relocation.  */
   3906  1.1  christos 	  continue;
   3907  1.1  christos 
   3908  1.1  christos 	case R_SPARC_TLS_DTPOFF32:
   3909  1.1  christos 	case R_SPARC_TLS_DTPOFF64:
   3910  1.1  christos 	  relocation -= dtpoff_base (info);
   3911  1.1  christos 	  break;
   3912  1.1  christos 
   3913  1.1  christos 	default:
   3914  1.1  christos 	  break;
   3915  1.1  christos 	}
   3916  1.1  christos 
   3917  1.1  christos       /* Dynamic relocs are not propagated for SEC_DEBUGGING sections
   3918  1.1  christos 	 because such sections are not SEC_ALLOC and thus ld.so will
   3919  1.1  christos 	 not process them.  */
   3920  1.6  christos       if (unresolved_reloc
   3921  1.6  christos 	  && !((input_section->flags & SEC_DEBUGGING) != 0
   3922  1.6  christos 	       && h->def_dynamic)
   3923  1.6  christos 	  && _bfd_elf_section_offset (output_bfd, info, input_section,
   3924  1.1  christos 				      rel->r_offset) != (bfd_vma) -1)
   3925  1.1  christos 	_bfd_error_handler
   3926  1.6  christos 	  /* xgettext:c-format */
   3927  1.1  christos 	  (_("%pB(%pA+%#" PRIx64 "): "
   3928  1.1  christos 	     "unresolvable %s relocation against symbol `%s'"),
   3929  1.1  christos 	   input_bfd,
   3930  1.1  christos 	   input_section,
   3931  1.1  christos 	   (uint64_t) rel->r_offset,
   3932  1.1  christos 	   howto->name,
   3933  1.1  christos 	   h->root.root.string);
   3934  1.1  christos 
   3935  1.1  christos       r = bfd_reloc_continue;
   3936  1.1  christos       if (r_type == R_SPARC_OLO10)
   3937  1.1  christos 	{
   3938  1.1  christos 	    bfd_vma x;
   3939  1.1  christos 
   3940  1.1  christos 	    if (! ABI_64_P (output_bfd))
   3941  1.1  christos 	      abort ();
   3942  1.1  christos 
   3943  1.1  christos 	    relocation += rel->r_addend;
   3944  1.1  christos 	    relocation = (relocation & 0x3ff) + ELF64_R_TYPE_DATA (rel->r_info);
   3945  1.1  christos 
   3946  1.1  christos 	    x = bfd_get_32 (input_bfd, contents + rel->r_offset);
   3947  1.1  christos 	    x = (x & ~(bfd_vma) 0x1fff) | (relocation & 0x1fff);
   3948  1.1  christos 	    bfd_put_32 (input_bfd, x, contents + rel->r_offset);
   3949  1.1  christos 
   3950  1.1  christos 	    r = bfd_check_overflow (howto->complain_on_overflow,
   3951  1.1  christos 				    howto->bitsize, howto->rightshift,
   3952  1.1  christos 				    bfd_arch_bits_per_address (input_bfd),
   3953  1.1  christos 				    relocation);
   3954  1.1  christos 	}
   3955  1.1  christos       else if (r_type == R_SPARC_WDISP16)
   3956  1.1  christos 	{
   3957  1.1  christos 	  bfd_vma x;
   3958  1.1  christos 
   3959  1.1  christos 	  relocation += rel->r_addend;
   3960  1.1  christos 	  relocation -= (input_section->output_section->vma
   3961  1.1  christos 			 + input_section->output_offset);
   3962  1.1  christos 	  relocation -= rel->r_offset;
   3963  1.1  christos 
   3964  1.1  christos 	  x = bfd_get_32 (input_bfd, contents + rel->r_offset);
   3965  1.1  christos 	  x |= ((((relocation >> 2) & 0xc000) << 6)
   3966  1.1  christos 		| ((relocation >> 2) & 0x3fff));
   3967  1.1  christos 	  bfd_put_32 (input_bfd, x, contents + rel->r_offset);
   3968  1.1  christos 
   3969  1.1  christos 	  r = bfd_check_overflow (howto->complain_on_overflow,
   3970  1.1  christos 				  howto->bitsize, howto->rightshift,
   3971  1.1  christos 				  bfd_arch_bits_per_address (input_bfd),
   3972  1.1  christos 				  relocation);
   3973  1.1  christos 	}
   3974  1.1  christos       else if (r_type == R_SPARC_WDISP10)
   3975  1.1  christos 	{
   3976  1.1  christos 	  bfd_vma x;
   3977  1.1  christos 
   3978  1.1  christos 	  relocation += rel->r_addend;
   3979  1.1  christos 	  relocation -= (input_section->output_section->vma
   3980  1.1  christos 			 + input_section->output_offset);
   3981  1.1  christos 	  relocation -= rel->r_offset;
   3982  1.1  christos 
   3983  1.1  christos 	  x = bfd_get_32 (input_bfd, contents + rel->r_offset);
   3984  1.1  christos 	  x |= ((((relocation >> 2) & 0x300) << 11)
   3985  1.1  christos 		| (((relocation >> 2) & 0xff) << 5));
   3986  1.1  christos 	  bfd_put_32 (input_bfd, x, contents + rel->r_offset);
   3987  1.1  christos 
   3988  1.1  christos 	  r = bfd_check_overflow (howto->complain_on_overflow,
   3989  1.1  christos 				  howto->bitsize, howto->rightshift,
   3990  1.1  christos 				  bfd_arch_bits_per_address (input_bfd),
   3991  1.1  christos 				  relocation);
   3992  1.1  christos 	}
   3993  1.1  christos       else if (r_type == R_SPARC_REV32)
   3994  1.1  christos 	{
   3995  1.1  christos 	  bfd_vma x;
   3996  1.1  christos 
   3997  1.1  christos 	  relocation = relocation + rel->r_addend;
   3998  1.1  christos 
   3999  1.1  christos 	  x = bfd_get_32 (input_bfd, contents + rel->r_offset);
   4000  1.1  christos 	  x = x + relocation;
   4001  1.1  christos 	  bfd_putl32 (/*input_bfd,*/ x, contents + rel->r_offset);
   4002  1.1  christos 	  r = bfd_reloc_ok;
   4003  1.1  christos 	}
   4004  1.1  christos       else if (r_type == R_SPARC_TLS_LDO_HIX22
   4005  1.1  christos 	       || r_type == R_SPARC_TLS_LE_HIX22)
   4006  1.1  christos 	{
   4007  1.1  christos 	  bfd_vma x;
   4008  1.1  christos 
   4009  1.1  christos 	  relocation += rel->r_addend;
   4010  1.1  christos 	  if (r_type == R_SPARC_TLS_LE_HIX22)
   4011  1.1  christos 	    relocation ^= MINUS_ONE;
   4012  1.1  christos 
   4013  1.1  christos 	  x = bfd_get_32 (input_bfd, contents + rel->r_offset);
   4014  1.1  christos 	  x = (x & ~(bfd_vma) 0x3fffff) | ((relocation >> 10) & 0x3fffff);
   4015  1.1  christos 	  bfd_put_32 (input_bfd, x, contents + rel->r_offset);
   4016  1.1  christos 	  r = bfd_reloc_ok;
   4017  1.1  christos 	}
   4018  1.1  christos       else if (r_type == R_SPARC_TLS_LDO_LOX10
   4019  1.1  christos 	       || r_type == R_SPARC_TLS_LE_LOX10)
   4020  1.1  christos 	{
   4021  1.1  christos 	  bfd_vma x;
   4022  1.1  christos 
   4023  1.1  christos 	  relocation += rel->r_addend;
   4024  1.1  christos 	  relocation &= 0x3ff;
   4025  1.1  christos 	  if (r_type == R_SPARC_TLS_LE_LOX10)
   4026  1.1  christos 	    relocation |= 0x1c00;
   4027  1.1  christos 
   4028  1.1  christos 	  x = bfd_get_32 (input_bfd, contents + rel->r_offset);
   4029  1.1  christos 	  x = (x & ~(bfd_vma) 0x1fff) | relocation;
   4030  1.6  christos 	  bfd_put_32 (input_bfd, x, contents + rel->r_offset);
   4031  1.6  christos 
   4032  1.1  christos 	  r = bfd_reloc_ok;
   4033  1.1  christos 	}
   4034  1.1  christos       else if (r_type == R_SPARC_HIX22
   4035  1.1  christos 	       || r_type == R_SPARC_GOTDATA_HIX22
   4036  1.1  christos 	       || r_type == R_SPARC_GOTDATA_OP_HIX22)
   4037  1.1  christos 	{
   4038  1.1  christos 	  bfd_vma x;
   4039  1.1  christos 
   4040  1.1  christos 	  relocation += rel->r_addend;
   4041  1.1  christos 	  if (r_type == R_SPARC_HIX22
   4042  1.1  christos 	      || (bfd_signed_vma) relocation < 0)
   4043  1.1  christos 	    relocation = relocation ^ MINUS_ONE;
   4044  1.1  christos 
   4045  1.1  christos 	  x = bfd_get_32 (input_bfd, contents + rel->r_offset);
   4046  1.1  christos 	  x = (x & ~(bfd_vma) 0x3fffff) | ((relocation >> 10) & 0x3fffff);
   4047  1.1  christos 	  bfd_put_32 (input_bfd, x, contents + rel->r_offset);
   4048  1.1  christos 
   4049  1.1  christos 	  r = bfd_check_overflow (howto->complain_on_overflow,
   4050  1.6  christos 				  howto->bitsize, howto->rightshift,
   4051  1.6  christos 				  bfd_arch_bits_per_address (input_bfd),
   4052  1.1  christos 				  relocation);
   4053  1.1  christos 	}
   4054  1.1  christos       else if (r_type == R_SPARC_LOX10
   4055  1.1  christos 	       || r_type == R_SPARC_GOTDATA_LOX10
   4056  1.1  christos 	       || r_type == R_SPARC_GOTDATA_OP_LOX10)
   4057  1.1  christos 	{
   4058  1.1  christos 	  bfd_vma x;
   4059  1.1  christos 
   4060  1.1  christos 	  relocation += rel->r_addend;
   4061  1.1  christos 	  if (r_type == R_SPARC_LOX10
   4062  1.1  christos 	      || (bfd_signed_vma) relocation < 0)
   4063  1.1  christos 	    relocation = (relocation & 0x3ff) | 0x1c00;
   4064  1.1  christos 	  else
   4065  1.1  christos 	    relocation = (relocation & 0x3ff);
   4066  1.1  christos 
   4067  1.1  christos 	  x = bfd_get_32 (input_bfd, contents + rel->r_offset);
   4068  1.1  christos 	  x = (x & ~(bfd_vma) 0x1fff) | relocation;
   4069  1.1  christos 	  bfd_put_32 (input_bfd, x, contents + rel->r_offset);
   4070  1.1  christos 
   4071  1.1  christos 	  r = bfd_reloc_ok;
   4072  1.1  christos 	}
   4073  1.1  christos       else if ((r_type == R_SPARC_WDISP30 || r_type == R_SPARC_WPLT30)
   4074  1.1  christos 	       && sec_do_relax (input_section)
   4075  1.1  christos 	       && rel->r_offset + 4 < input_section->size)
   4076  1.1  christos 	{
   4077  1.1  christos #define G0		0
   4078  1.1  christos #define O7		15
   4079  1.1  christos #define XCC		(2 << 20)
   4080  1.1  christos #define COND(x)		(((x)&0xf)<<25)
   4081  1.1  christos #define CONDA		COND(0x8)
   4082  1.1  christos #define INSN_BPA	(F2(0,1) | CONDA | BPRED | XCC)
   4083  1.1  christos #define INSN_BA		(F2(0,2) | CONDA)
   4084  1.1  christos #define INSN_OR		F3(2, 0x2, 0)
   4085  1.1  christos #define INSN_NOP	F2(0,4)
   4086  1.1  christos 
   4087  1.1  christos 	  bfd_vma x, y;
   4088  1.1  christos 
   4089  1.1  christos 	  /* If the instruction is a call with either:
   4090  1.1  christos 	     restore
   4091  1.1  christos 	     arithmetic instruction with rd == %o7
   4092  1.1  christos 	     where rs1 != %o7 and rs2 if it is register != %o7
   4093  1.1  christos 	     then we can optimize if the call destination is near
   4094  1.1  christos 	     by changing the call into a branch always.  */
   4095  1.1  christos 	  x = bfd_get_32 (input_bfd, contents + rel->r_offset);
   4096  1.1  christos 	  y = bfd_get_32 (input_bfd, contents + rel->r_offset + 4);
   4097  1.1  christos 	  if ((x & OP(~0)) == OP(1) && (y & OP(~0)) == OP(2))
   4098  1.1  christos 	    {
   4099  1.1  christos 	      if (((y & OP3(~0)) == OP3(0x3d) /* restore */
   4100  1.1  christos 		   || ((y & OP3(0x28)) == 0 /* arithmetic */
   4101  1.1  christos 		       && (y & RD(~0)) == RD(O7)))
   4102  1.1  christos 		  && (y & RS1(~0)) != RS1(O7)
   4103  1.1  christos 		  && ((y & F3I(~0))
   4104  1.1  christos 		      || (y & RS2(~0)) != RS2(O7)))
   4105  1.1  christos 		{
   4106  1.1  christos 		  bfd_vma reloc;
   4107  1.1  christos 
   4108  1.1  christos 		  reloc = relocation + rel->r_addend - rel->r_offset;
   4109  1.1  christos 		  reloc -= (input_section->output_section->vma
   4110  1.1  christos 			    + input_section->output_offset);
   4111  1.1  christos 
   4112  1.1  christos 		  /* Ensure the branch fits into simm22.  */
   4113  1.1  christos 		  if ((reloc & 3) == 0
   4114  1.1  christos 		      && ((reloc & ~(bfd_vma)0x7fffff) == 0
   4115  1.1  christos 			  || ((reloc | 0x7fffff) == ~(bfd_vma)0)))
   4116  1.1  christos 		    {
   4117  1.1  christos 		      reloc >>= 2;
   4118  1.1  christos 
   4119  1.1  christos 		      /* Check whether it fits into simm19.  */
   4120  1.1  christos 		      if (((reloc & 0x3c0000) == 0
   4121  1.1  christos 			   || (reloc & 0x3c0000) == 0x3c0000)
   4122  1.1  christos 			  && (ABI_64_P (output_bfd)
   4123  1.1  christos 			      || elf_elfheader (output_bfd)->e_flags & EF_SPARC_32PLUS))
   4124  1.1  christos 			x = INSN_BPA | (reloc & 0x7ffff); /* ba,pt %xcc */
   4125  1.1  christos 		      else
   4126  1.1  christos 			x = INSN_BA | (reloc & 0x3fffff); /* ba */
   4127  1.1  christos 		      bfd_put_32 (input_bfd, x, contents + rel->r_offset);
   4128  1.1  christos 		      r = bfd_reloc_ok;
   4129  1.1  christos 		      if (rel->r_offset >= 4
   4130  1.1  christos 			  && (y & (0xffffffff ^ RS1(~0)))
   4131  1.1  christos 			     == (INSN_OR | RD(O7) | RS2(G0)))
   4132  1.1  christos 			{
   4133  1.1  christos 			  bfd_vma z;
   4134  1.1  christos 			  unsigned int reg;
   4135  1.6  christos 
   4136  1.1  christos 			  z = bfd_get_32 (input_bfd,
   4137  1.1  christos 					  contents + rel->r_offset - 4);
   4138  1.1  christos 			  if ((z & (0xffffffff ^ RD(~0)))
   4139  1.1  christos 			      != (INSN_OR | RS1(O7) | RS2(G0)))
   4140  1.1  christos 			    continue;
   4141  1.1  christos 
   4142  1.1  christos 			  /* The sequence was
   4143  1.1  christos 			     or %o7, %g0, %rN
   4144  1.1  christos 			     call foo
   4145  1.1  christos 			     or %rN, %g0, %o7
   4146  1.1  christos 
   4147  1.1  christos 			     If call foo was replaced with ba, replace
   4148  1.6  christos 			     or %rN, %g0, %o7 with nop.  */
   4149  1.1  christos 
   4150  1.1  christos 			  reg = (y & RS1(~0)) >> 14;
   4151  1.1  christos 			  if (reg != ((z & RD(~0)) >> 25)
   4152  1.1  christos 			      || reg == G0 || reg == O7)
   4153  1.1  christos 			    continue;
   4154  1.1  christos 
   4155  1.1  christos 			  bfd_put_32 (input_bfd, (bfd_vma) INSN_NOP,
   4156  1.1  christos 				      contents + rel->r_offset + 4);
   4157  1.1  christos 			}
   4158  1.1  christos 
   4159  1.1  christos 		    }
   4160  1.1  christos 		}
   4161  1.1  christos 	    }
   4162  1.1  christos 	}
   4163  1.1  christos 
   4164  1.1  christos       if (r == bfd_reloc_continue)
   4165  1.1  christos 	{
   4166  1.1  christos do_relocation:
   4167  1.1  christos 	  r = _bfd_final_link_relocate (howto, input_bfd, input_section,
   4168  1.1  christos 					contents, rel->r_offset,
   4169  1.1  christos 					relocation, rel->r_addend);
   4170  1.1  christos 	}
   4171  1.1  christos       if (r != bfd_reloc_ok)
   4172  1.1  christos 	{
   4173  1.1  christos 	  switch (r)
   4174  1.1  christos 	    {
   4175  1.1  christos 	    default:
   4176  1.1  christos 	    case bfd_reloc_outofrange:
   4177  1.3  christos 	      abort ();
   4178  1.1  christos 	    case bfd_reloc_overflow:
   4179  1.1  christos 	      {
   4180  1.1  christos 		const char *name;
   4181  1.1  christos 
   4182  1.1  christos 		/* The Solaris native linker silently disregards overflows.
   4183  1.1  christos 		   We don't, but this breaks stabs debugging info, whose
   4184  1.1  christos 		   relocations are only 32-bits wide.  Ignore overflows in
   4185  1.7  christos 		   this case and also for discarded entries.  */
   4186  1.1  christos 		if ((r_type == R_SPARC_32
   4187  1.1  christos 		     || r_type == R_SPARC_UA32
   4188  1.1  christos 		     || r_type == R_SPARC_DISP32)
   4189  1.1  christos 		    && (((input_section->flags & SEC_DEBUGGING) != 0
   4190  1.1  christos 			 && strcmp (bfd_section_name (input_section),
   4191  1.1  christos 				    ".stab") == 0)
   4192  1.1  christos 			|| _bfd_elf_section_offset (output_bfd, info,
   4193  1.1  christos 						    input_section,
   4194  1.1  christos 						    rel->r_offset)
   4195  1.1  christos 			     == (bfd_vma)-1))
   4196  1.1  christos 		  break;
   4197  1.1  christos 
   4198  1.1  christos 		if (h != NULL)
   4199  1.1  christos 		  {
   4200  1.1  christos 		    /* Assume this is a call protected by other code that
   4201  1.1  christos 		       detect the symbol is undefined.  If this is the case,
   4202  1.1  christos 		       we can safely ignore the overflow.  If not, the
   4203  1.1  christos 		       program is hosed anyway, and a little warning isn't
   4204  1.6  christos 		       going to help.  */
   4205  1.1  christos 		    if (h->root.type == bfd_link_hash_undefweak
   4206  1.1  christos 			&& howto->pc_relative)
   4207  1.1  christos 		      break;
   4208  1.1  christos 
   4209  1.1  christos 		    name = NULL;
   4210  1.1  christos 		  }
   4211  1.1  christos 		else
   4212  1.1  christos 		  {
   4213  1.1  christos 		    name = bfd_elf_string_from_elf_section (input_bfd,
   4214  1.7  christos 							    symtab_hdr->sh_link,
   4215  1.1  christos 							    sym->st_name);
   4216  1.5  christos 		    if (name == NULL)
   4217  1.5  christos 		      return FALSE;
   4218  1.5  christos 		    if (*name == '\0')
   4219  1.1  christos 		      name = bfd_section_name (sec);
   4220  1.1  christos 		  }
   4221  1.1  christos 		(*info->callbacks->reloc_overflow)
   4222  1.1  christos 		  (info, (h ? &h->root : NULL), name, howto->name,
   4223  1.1  christos 		   (bfd_vma) 0, input_bfd, input_section, rel->r_offset);
   4224  1.1  christos 	      }
   4225  1.1  christos 	      break;
   4226  1.1  christos 	    }
   4227  1.1  christos 	}
   4228  1.1  christos     }
   4229  1.1  christos 
   4230  1.1  christos   return TRUE;
   4231  1.1  christos }
   4232  1.1  christos 
   4233  1.1  christos /* Build a VxWorks PLT entry.  PLT_INDEX is the index of the PLT entry
   4234  1.1  christos    and PLT_OFFSET is the byte offset from the start of .plt.  GOT_OFFSET
   4235  1.1  christos    is the offset of the associated .got.plt entry from
   4236  1.1  christos    _GLOBAL_OFFSET_TABLE_.  */
   4237  1.1  christos 
   4238  1.1  christos static void
   4239  1.1  christos sparc_vxworks_build_plt_entry (bfd *output_bfd, struct bfd_link_info *info,
   4240  1.1  christos 			       bfd_vma plt_offset, bfd_vma plt_index,
   4241  1.1  christos 			       bfd_vma got_offset)
   4242  1.1  christos {
   4243  1.1  christos   bfd_vma got_base;
   4244  1.1  christos   const bfd_vma *plt_entry;
   4245  1.1  christos   struct _bfd_sparc_elf_link_hash_table *htab;
   4246  1.1  christos   bfd_byte *loc;
   4247  1.3  christos   Elf_Internal_Rela rela;
   4248  1.1  christos 
   4249  1.1  christos   htab = _bfd_sparc_elf_hash_table (info);
   4250  1.1  christos   BFD_ASSERT (htab != NULL);
   4251  1.1  christos 
   4252  1.1  christos   if (bfd_link_pic (info))
   4253  1.1  christos     {
   4254  1.1  christos       plt_entry = sparc_vxworks_shared_plt_entry;
   4255  1.1  christos       got_base = 0;
   4256  1.1  christos     }
   4257  1.1  christos   else
   4258  1.1  christos     {
   4259  1.1  christos       plt_entry = sparc_vxworks_exec_plt_entry;
   4260  1.1  christos       got_base = (htab->elf.hgot->root.u.def.value
   4261  1.1  christos 		  + htab->elf.hgot->root.u.def.section->output_offset
   4262  1.1  christos 		  + htab->elf.hgot->root.u.def.section->output_section->vma);
   4263  1.1  christos     }
   4264  1.1  christos 
   4265  1.1  christos   /* Fill in the entry in the procedure linkage table.  */
   4266  1.1  christos   bfd_put_32 (output_bfd, plt_entry[0] + ((got_base + got_offset) >> 10),
   4267  1.1  christos 	      htab->elf.splt->contents + plt_offset);
   4268  1.1  christos   bfd_put_32 (output_bfd, plt_entry[1] + ((got_base + got_offset) & 0x3ff),
   4269  1.1  christos 	      htab->elf.splt->contents + plt_offset + 4);
   4270  1.1  christos   bfd_put_32 (output_bfd, plt_entry[2],
   4271  1.1  christos 	      htab->elf.splt->contents + plt_offset + 8);
   4272  1.1  christos   bfd_put_32 (output_bfd, plt_entry[3],
   4273  1.1  christos 	      htab->elf.splt->contents + plt_offset + 12);
   4274  1.1  christos   bfd_put_32 (output_bfd, plt_entry[4],
   4275  1.1  christos 	      htab->elf.splt->contents + plt_offset + 16);
   4276  1.1  christos   bfd_put_32 (output_bfd, plt_entry[5] + (plt_index >> 10),
   4277  1.1  christos 	      htab->elf.splt->contents + plt_offset + 20);
   4278  1.1  christos   /* PC-relative displacement for a branch to the start of
   4279  1.1  christos      the PLT section.  */
   4280  1.1  christos   bfd_put_32 (output_bfd, plt_entry[6] + (((-plt_offset - 24) >> 2)
   4281  1.1  christos 					  & 0x003fffff),
   4282  1.1  christos 	      htab->elf.splt->contents + plt_offset + 24);
   4283  1.1  christos   bfd_put_32 (output_bfd, plt_entry[7] + (plt_index & 0x3ff),
   4284  1.1  christos 	      htab->elf.splt->contents + plt_offset + 28);
   4285  1.1  christos 
   4286  1.1  christos   /* Fill in the .got.plt entry, pointing initially at the
   4287  1.1  christos      second half of the PLT entry.  */
   4288  1.1  christos   BFD_ASSERT (htab->elf.sgotplt != NULL);
   4289  1.1  christos   bfd_put_32 (output_bfd,
   4290  1.1  christos 	      htab->elf.splt->output_section->vma
   4291  1.3  christos 	      + htab->elf.splt->output_offset
   4292  1.1  christos 	      + plt_offset + 20,
   4293  1.1  christos 	      htab->elf.sgotplt->contents + got_offset);
   4294  1.1  christos 
   4295  1.1  christos   /* Add relocations to .rela.plt.unloaded.  */
   4296  1.1  christos   if (!bfd_link_pic (info))
   4297  1.1  christos     {
   4298  1.1  christos       loc = (htab->srelplt2->contents
   4299  1.1  christos 	     + (2 + 3 * plt_index) * sizeof (Elf32_External_Rela));
   4300  1.1  christos 
   4301  1.1  christos       /* Relocate the initial sethi.  */
   4302  1.1  christos       rela.r_offset = (htab->elf.splt->output_section->vma
   4303  1.1  christos 		       + htab->elf.splt->output_offset
   4304  1.1  christos 		       + plt_offset);
   4305  1.1  christos       rela.r_info = ELF32_R_INFO (htab->elf.hgot->indx, R_SPARC_HI22);
   4306  1.1  christos       rela.r_addend = got_offset;
   4307  1.1  christos       bfd_elf32_swap_reloca_out (output_bfd, &rela, loc);
   4308  1.1  christos       loc += sizeof (Elf32_External_Rela);
   4309  1.1  christos 
   4310  1.1  christos       /* Likewise the following or.  */
   4311  1.1  christos       rela.r_offset += 4;
   4312  1.1  christos       rela.r_info = ELF32_R_INFO (htab->elf.hgot->indx, R_SPARC_LO10);
   4313  1.1  christos       bfd_elf32_swap_reloca_out (output_bfd, &rela, loc);
   4314  1.1  christos       loc += sizeof (Elf32_External_Rela);
   4315  1.1  christos 
   4316  1.1  christos       /* Relocate the .got.plt entry.  */
   4317  1.1  christos       rela.r_offset = (htab->elf.sgotplt->output_section->vma
   4318  1.1  christos 		       + htab->elf.sgotplt->output_offset
   4319  1.1  christos 		       + got_offset);
   4320  1.1  christos       rela.r_info = ELF32_R_INFO (htab->elf.hplt->indx, R_SPARC_32);
   4321  1.1  christos       rela.r_addend = plt_offset + 20;
   4322  1.1  christos       bfd_elf32_swap_reloca_out (output_bfd, &rela, loc);
   4323  1.1  christos     }
   4324  1.1  christos }
   4325  1.1  christos 
   4326  1.1  christos /* Finish up dynamic symbol handling.  We set the contents of various
   4327  1.1  christos    dynamic sections here.  */
   4328  1.1  christos 
   4329  1.1  christos bfd_boolean
   4330  1.1  christos _bfd_sparc_elf_finish_dynamic_symbol (bfd *output_bfd,
   4331  1.1  christos 				      struct bfd_link_info *info,
   4332  1.6  christos 				      struct elf_link_hash_entry *h,
   4333  1.6  christos 				      Elf_Internal_Sym *sym)
   4334  1.1  christos {
   4335  1.1  christos   struct _bfd_sparc_elf_link_hash_table *htab;
   4336  1.1  christos   const struct elf_backend_data *bed;
   4337  1.1  christos   struct _bfd_sparc_elf_link_hash_entry  *eh;
   4338  1.1  christos   bfd_boolean resolved_to_zero;
   4339  1.6  christos 
   4340  1.6  christos   htab = _bfd_sparc_elf_hash_table (info);
   4341  1.6  christos   BFD_ASSERT (htab != NULL);
   4342  1.6  christos   bed = get_elf_backend_data (output_bfd);
   4343  1.6  christos 
   4344  1.6  christos   eh = (struct _bfd_sparc_elf_link_hash_entry *) h;
   4345  1.6  christos 
   4346  1.1  christos   /* We keep PLT/GOT entries without dynamic PLT/GOT relocations for
   4347  1.1  christos      resolved undefined weak symbols in executable so that their
   4348  1.1  christos      references have value 0 at run-time.  */
   4349  1.1  christos   resolved_to_zero = UNDEFINED_WEAK_RESOLVED_TO_ZERO (info, eh);
   4350  1.1  christos 
   4351  1.1  christos   if (h->plt.offset != (bfd_vma) -1)
   4352  1.1  christos     {
   4353  1.1  christos       asection *splt;
   4354  1.1  christos       asection *srela;
   4355  1.1  christos       Elf_Internal_Rela rela;
   4356  1.1  christos       bfd_byte *loc;
   4357  1.1  christos       bfd_vma r_offset, got_offset;
   4358  1.1  christos       int rela_index;
   4359  1.1  christos 
   4360  1.1  christos       /* When building a static executable, use .iplt and
   4361  1.1  christos 	 .rela.iplt sections for STT_GNU_IFUNC symbols.  */
   4362  1.1  christos       if (htab->elf.splt != NULL)
   4363  1.1  christos 	{
   4364  1.1  christos 	  splt = htab->elf.splt;
   4365  1.1  christos 	  srela = htab->elf.srelplt;
   4366  1.1  christos 	}
   4367  1.1  christos       else
   4368  1.1  christos 	{
   4369  1.1  christos 	  splt = htab->elf.iplt;
   4370  1.1  christos 	  srela = htab->elf.irelplt;
   4371  1.1  christos 	}
   4372  1.1  christos 
   4373  1.1  christos       if (splt == NULL || srela == NULL)
   4374  1.1  christos 	abort ();
   4375  1.1  christos 
   4376  1.1  christos       /* Fill in the entry in the .rela.plt section.  */
   4377  1.1  christos       if (htab->is_vxworks)
   4378  1.1  christos 	{
   4379  1.1  christos 	  /* Work out the index of this PLT entry.  */
   4380  1.1  christos 	  rela_index = ((h->plt.offset - htab->plt_header_size)
   4381  1.1  christos 			/ htab->plt_entry_size);
   4382  1.1  christos 
   4383  1.1  christos 	  /* Calculate the offset of the associated .got.plt entry.
   4384  1.1  christos 	     The first three entries are reserved.  */
   4385  1.1  christos 	  got_offset = (rela_index + 3) * 4;
   4386  1.1  christos 
   4387  1.1  christos 	  sparc_vxworks_build_plt_entry (output_bfd, info, h->plt.offset,
   4388  1.1  christos 					 rela_index, got_offset);
   4389  1.1  christos 
   4390  1.1  christos 
   4391  1.1  christos 	  /* On VxWorks, the relocation points to the .got.plt entry,
   4392  1.1  christos 	     not the .plt entry.  */
   4393  1.1  christos 	  rela.r_offset = (htab->elf.sgotplt->output_section->vma
   4394  1.1  christos 			   + htab->elf.sgotplt->output_offset
   4395  1.1  christos 			   + got_offset);
   4396  1.1  christos 	  rela.r_addend = 0;
   4397  1.1  christos 	  rela.r_info = SPARC_ELF_R_INFO (htab, NULL, h->dynindx,
   4398  1.1  christos 					  R_SPARC_JMP_SLOT);
   4399  1.1  christos 	}
   4400  1.1  christos       else
   4401  1.1  christos 	{
   4402  1.1  christos 	  bfd_boolean ifunc = FALSE;
   4403  1.1  christos 
   4404  1.1  christos 	  /* Fill in the entry in the procedure linkage table.  */
   4405  1.1  christos 	  rela_index = SPARC_ELF_BUILD_PLT_ENTRY (htab, output_bfd, splt,
   4406  1.3  christos 						  h->plt.offset, splt->size,
   4407  1.1  christos 						  &r_offset);
   4408  1.1  christos 
   4409  1.1  christos 	  if (h == NULL
   4410  1.1  christos 	      || h->dynindx == -1
   4411  1.1  christos 	      || ((bfd_link_executable (info)
   4412  1.1  christos 		   || ELF_ST_VISIBILITY (h->other) != STV_DEFAULT)
   4413  1.1  christos 		  && h->def_regular
   4414  1.1  christos 		  && h->type == STT_GNU_IFUNC))
   4415  1.1  christos 	    {
   4416  1.1  christos 	      ifunc = TRUE;
   4417  1.1  christos 	      BFD_ASSERT (h == NULL
   4418  1.1  christos 			  || (h->type == STT_GNU_IFUNC
   4419  1.1  christos 			      && h->def_regular
   4420  1.1  christos 			      && (h->root.type == bfd_link_hash_defined
   4421  1.1  christos 				  || h->root.type == bfd_link_hash_defweak)));
   4422  1.1  christos 	    }
   4423  1.1  christos 
   4424  1.1  christos 	  rela.r_offset = r_offset
   4425  1.1  christos 	    + (splt->output_section->vma + splt->output_offset);
   4426  1.1  christos 	  if (ABI_64_P (output_bfd)
   4427  1.1  christos 	      && h->plt.offset >= (PLT64_LARGE_THRESHOLD * PLT64_ENTRY_SIZE))
   4428  1.1  christos 	    {
   4429  1.1  christos 	      if (ifunc)
   4430  1.1  christos 		{
   4431  1.1  christos 		  rela.r_addend = (h->root.u.def.section->output_section->vma
   4432  1.1  christos 				   + h->root.u.def.section->output_offset
   4433  1.1  christos 				   + h->root.u.def.value);
   4434  1.1  christos 		  rela.r_info = SPARC_ELF_R_INFO (htab, NULL, 0,
   4435  1.1  christos 						  R_SPARC_IRELATIVE);
   4436  1.1  christos 		}
   4437  1.1  christos 	      else
   4438  1.1  christos 		{
   4439  1.1  christos 		  rela.r_addend = (-(h->plt.offset + 4)
   4440  1.1  christos 				   - splt->output_section->vma
   4441  1.1  christos 				   - splt->output_offset);
   4442  1.1  christos 		  rela.r_info = SPARC_ELF_R_INFO (htab, NULL, h->dynindx,
   4443  1.1  christos 						  R_SPARC_JMP_SLOT);
   4444  1.1  christos 		}
   4445  1.1  christos 	    }
   4446  1.1  christos 	  else
   4447  1.1  christos 	    {
   4448  1.1  christos 	      if (ifunc)
   4449  1.1  christos 		{
   4450  1.1  christos 		  rela.r_addend = (h->root.u.def.section->output_section->vma
   4451  1.1  christos 				   + h->root.u.def.section->output_offset
   4452  1.1  christos 				   + h->root.u.def.value);
   4453  1.1  christos 		  rela.r_info = SPARC_ELF_R_INFO (htab, NULL, 0,
   4454  1.1  christos 						  R_SPARC_JMP_IREL);
   4455  1.1  christos 		}
   4456  1.1  christos 	      else
   4457  1.1  christos 		{
   4458  1.1  christos 		  rela.r_addend = 0;
   4459  1.1  christos 		  rela.r_info = SPARC_ELF_R_INFO (htab, NULL, h->dynindx,
   4460  1.1  christos 						  R_SPARC_JMP_SLOT);
   4461  1.1  christos 		}
   4462  1.1  christos 	    }
   4463  1.1  christos 	}
   4464  1.1  christos 
   4465  1.1  christos       /* Adjust for the first 4 reserved elements in the .plt section
   4466  1.1  christos 	 when setting the offset in the .rela.plt section.
   4467  1.1  christos 	 Sun forgot to read their own ABI and copied elf32-sparc behaviour,
   4468  1.1  christos 	 thus .plt[4] has corresponding .rela.plt[0] and so on.  */
   4469  1.6  christos 
   4470  1.1  christos       loc = srela->contents;
   4471  1.1  christos       loc += rela_index * bed->s->sizeof_rela;
   4472  1.1  christos       bed->s->swap_reloca_out (output_bfd, &rela, loc);
   4473  1.1  christos 
   4474  1.1  christos       if (!resolved_to_zero && !h->def_regular)
   4475  1.1  christos 	{
   4476  1.1  christos 	  /* Mark the symbol as undefined, rather than as defined in
   4477  1.1  christos 	     the .plt section.  Leave the value alone.  */
   4478  1.1  christos 	  sym->st_shndx = SHN_UNDEF;
   4479  1.1  christos 	  /* If the symbol is weak, we do need to clear the value.
   4480  1.1  christos 	     Otherwise, the PLT entry would provide a definition for
   4481  1.1  christos 	     the symbol even if the symbol wasn't defined anywhere,
   4482  1.1  christos 	     and so the symbol would never be NULL.  */
   4483  1.6  christos 	  if (!h->ref_regular_nonweak)
   4484  1.6  christos 	    sym->st_value = 0;
   4485  1.1  christos 	}
   4486  1.1  christos     }
   4487  1.6  christos 
   4488  1.6  christos   /* Don't generate dynamic GOT relocation against resolved undefined weak
   4489  1.6  christos      symbols in an executable.  */
   4490  1.6  christos   if (h->got.offset != (bfd_vma) -1
   4491  1.1  christos       && _bfd_sparc_elf_hash_entry(h)->tls_type != GOT_TLS_GD
   4492  1.1  christos       && _bfd_sparc_elf_hash_entry(h)->tls_type != GOT_TLS_IE
   4493  1.1  christos       && !(h->root.type == bfd_link_hash_undefweak
   4494  1.1  christos 	   && (ELF_ST_VISIBILITY (h->other) != STV_DEFAULT
   4495  1.1  christos 	       || resolved_to_zero)))
   4496  1.1  christos     {
   4497  1.1  christos       asection *sgot;
   4498  1.1  christos       asection *srela;
   4499  1.1  christos       Elf_Internal_Rela rela;
   4500  1.1  christos 
   4501  1.1  christos       /* This symbol has an entry in the GOT.  Set it up.  */
   4502  1.1  christos 
   4503  1.1  christos       sgot = htab->elf.sgot;
   4504  1.1  christos       srela = htab->elf.srelgot;
   4505  1.1  christos       BFD_ASSERT (sgot != NULL && srela != NULL);
   4506  1.1  christos 
   4507  1.1  christos       rela.r_offset = (sgot->output_section->vma
   4508  1.1  christos 		       + sgot->output_offset
   4509  1.1  christos 		       + (h->got.offset &~ (bfd_vma) 1));
   4510  1.1  christos 
   4511  1.3  christos       /* If this is a -Bsymbolic link, and the symbol is defined
   4512  1.1  christos 	 locally, we just want to emit a RELATIVE reloc.  Likewise if
   4513  1.1  christos 	 the symbol was forced to be local because of a version file.
   4514  1.1  christos 	 The entry in the global offset table will already have been
   4515  1.1  christos 	 initialized in the relocate_section function.  */
   4516  1.1  christos       if (! bfd_link_pic (info)
   4517  1.1  christos 	  && h->type == STT_GNU_IFUNC
   4518  1.1  christos 	  && h->def_regular)
   4519  1.1  christos 	{
   4520  1.1  christos 	  asection *plt;
   4521  1.1  christos 
   4522  1.1  christos 	  /* We load the GOT entry with the PLT entry.  */
   4523  1.1  christos 	  plt = htab->elf.splt ? htab->elf.splt : htab->elf.iplt;
   4524  1.1  christos 	  SPARC_ELF_PUT_WORD (htab, output_bfd,
   4525  1.1  christos 			      (plt->output_section->vma
   4526  1.6  christos 			       + plt->output_offset + h->plt.offset),
   4527  1.6  christos 			      htab->elf.sgot->contents
   4528  1.1  christos 			      + (h->got.offset & ~(bfd_vma) 1));
   4529  1.1  christos 	  return TRUE;
   4530  1.1  christos 	}
   4531  1.1  christos 
   4532  1.1  christos       if (bfd_link_pic (info) && SYMBOL_REFERENCES_LOCAL (info, h))
   4533  1.1  christos 	{
   4534  1.1  christos 	  asection *sec = h->root.u.def.section;
   4535  1.1  christos 	  if (h->type == STT_GNU_IFUNC)
   4536  1.1  christos 	    rela.r_info = SPARC_ELF_R_INFO (htab, NULL, 0, R_SPARC_IRELATIVE);
   4537  1.1  christos 	  else
   4538  1.1  christos 	    rela.r_info = SPARC_ELF_R_INFO (htab, NULL, 0, R_SPARC_RELATIVE);
   4539  1.1  christos 	  rela.r_addend = (h->root.u.def.value
   4540  1.1  christos 			   + sec->output_section->vma
   4541  1.1  christos 			   + sec->output_offset);
   4542  1.1  christos 	}
   4543  1.1  christos       else
   4544  1.1  christos 	{
   4545  1.1  christos 	  rela.r_info = SPARC_ELF_R_INFO (htab, NULL, h->dynindx, R_SPARC_GLOB_DAT);
   4546  1.1  christos 	  rela.r_addend = 0;
   4547  1.1  christos 	}
   4548  1.1  christos 
   4549  1.1  christos       SPARC_ELF_PUT_WORD (htab, output_bfd, 0,
   4550  1.1  christos 			  sgot->contents + (h->got.offset & ~(bfd_vma) 1));
   4551  1.1  christos       sparc_elf_append_rela (output_bfd, srela, &rela);
   4552  1.1  christos     }
   4553  1.1  christos 
   4554  1.1  christos   if (h->needs_copy)
   4555  1.1  christos     {
   4556  1.1  christos       asection *s;
   4557  1.1  christos       Elf_Internal_Rela rela;
   4558  1.1  christos 
   4559  1.1  christos       /* This symbols needs a copy reloc.  Set it up.  */
   4560  1.1  christos       BFD_ASSERT (h->dynindx != -1);
   4561  1.1  christos 
   4562  1.6  christos       rela.r_offset = (h->root.u.def.value
   4563  1.6  christos 		       + h->root.u.def.section->output_section->vma
   4564  1.6  christos 		       + h->root.u.def.section->output_offset);
   4565  1.6  christos       rela.r_info = SPARC_ELF_R_INFO (htab, NULL, h->dynindx, R_SPARC_COPY);
   4566  1.1  christos       rela.r_addend = 0;
   4567  1.1  christos       if (h->root.u.def.section == htab->elf.sdynrelro)
   4568  1.1  christos 	s = htab->elf.sreldynrelro;
   4569  1.1  christos       else
   4570  1.1  christos 	s = htab->elf.srelbss;
   4571  1.1  christos       sparc_elf_append_rela (output_bfd, s, &rela);
   4572  1.1  christos     }
   4573  1.3  christos 
   4574  1.1  christos   /* Mark some specially defined symbols as absolute.  On VxWorks,
   4575  1.1  christos      _GLOBAL_OFFSET_TABLE_ is not absolute: it is relative to the
   4576  1.1  christos      ".got" section.  Likewise _PROCEDURE_LINKAGE_TABLE_ and ".plt".  */
   4577  1.1  christos   if (sym != NULL
   4578  1.1  christos       && (h == htab->elf.hdynamic
   4579  1.1  christos 	  || (!htab->is_vxworks
   4580  1.1  christos 	      && (h == htab->elf.hgot || h == htab->elf.hplt))))
   4581  1.1  christos     sym->st_shndx = SHN_ABS;
   4582  1.1  christos 
   4583  1.1  christos   return TRUE;
   4584  1.1  christos }
   4585  1.1  christos 
   4586  1.1  christos /* Finish up the dynamic sections.  */
   4587  1.1  christos 
   4588  1.1  christos static bfd_boolean
   4589  1.1  christos sparc_finish_dyn (bfd *output_bfd, struct bfd_link_info *info,
   4590  1.1  christos 		  bfd *dynobj, asection *sdyn,
   4591  1.1  christos 		  asection *splt ATTRIBUTE_UNUSED)
   4592  1.1  christos {
   4593  1.1  christos   struct _bfd_sparc_elf_link_hash_table *htab;
   4594  1.1  christos   const struct elf_backend_data *bed;
   4595  1.1  christos   bfd_byte *dyncon, *dynconend;
   4596  1.1  christos   size_t dynsize;
   4597  1.1  christos   int stt_regidx = -1;
   4598  1.1  christos   bfd_boolean abi_64_p;
   4599  1.1  christos 
   4600  1.1  christos   htab = _bfd_sparc_elf_hash_table (info);
   4601  1.1  christos   BFD_ASSERT (htab != NULL);
   4602  1.1  christos   bed = get_elf_backend_data (output_bfd);
   4603  1.1  christos   dynsize = bed->s->sizeof_dyn;
   4604  1.1  christos   dynconend = sdyn->contents + sdyn->size;
   4605  1.1  christos   abi_64_p = ABI_64_P (output_bfd);
   4606  1.1  christos   for (dyncon = sdyn->contents; dyncon < dynconend; dyncon += dynsize)
   4607  1.1  christos     {
   4608  1.6  christos       Elf_Internal_Dyn dyn;
   4609  1.1  christos       bfd_boolean size;
   4610  1.1  christos 
   4611  1.1  christos       bed->s->swap_dyn_in (dynobj, dyncon, &dyn);
   4612  1.1  christos 
   4613  1.1  christos       if (htab->is_vxworks && dyn.d_tag == DT_PLTGOT)
   4614  1.1  christos 	{
   4615  1.1  christos 	  /* On VxWorks, DT_PLTGOT should point to the start of the GOT,
   4616  1.1  christos 	     not to the start of the PLT.  */
   4617  1.1  christos 	  if (htab->elf.sgotplt)
   4618  1.1  christos 	    {
   4619  1.1  christos 	      dyn.d_un.d_val = (htab->elf.sgotplt->output_section->vma
   4620  1.1  christos 				+ htab->elf.sgotplt->output_offset);
   4621  1.1  christos 	      bed->s->swap_dyn_out (output_bfd, &dyn, dyncon);
   4622  1.1  christos 	    }
   4623  1.1  christos 	}
   4624  1.1  christos       else if (htab->is_vxworks
   4625  1.1  christos 	       && elf_vxworks_finish_dynamic_entry (output_bfd, &dyn))
   4626  1.1  christos 	bed->s->swap_dyn_out (output_bfd, &dyn, dyncon);
   4627  1.1  christos       else if (abi_64_p && dyn.d_tag == DT_SPARC_REGISTER)
   4628  1.1  christos 	{
   4629  1.1  christos 	  if (stt_regidx == -1)
   4630  1.1  christos 	    {
   4631  1.1  christos 	      stt_regidx =
   4632  1.1  christos 		_bfd_elf_link_lookup_local_dynindx (info, output_bfd, -1);
   4633  1.1  christos 	      if (stt_regidx == -1)
   4634  1.1  christos 		return FALSE;
   4635  1.1  christos 	    }
   4636  1.6  christos 	  dyn.d_un.d_val = stt_regidx++;
   4637  1.6  christos 	  bed->s->swap_dyn_out (output_bfd, &dyn, dyncon);
   4638  1.1  christos 	}
   4639  1.1  christos       else
   4640  1.6  christos 	{
   4641  1.6  christos 	  asection *s;
   4642  1.6  christos 
   4643  1.6  christos 	  switch (dyn.d_tag)
   4644  1.6  christos 	    {
   4645  1.6  christos 	    case DT_PLTGOT:
   4646  1.6  christos 	      s = htab->elf.splt;
   4647  1.6  christos 	      size = FALSE;
   4648  1.6  christos 	      break;
   4649  1.6  christos 	    case DT_PLTRELSZ:
   4650  1.6  christos 	      s = htab->elf.srelplt;
   4651  1.6  christos 	      size = TRUE;
   4652  1.6  christos 	      break;
   4653  1.6  christos 	    case DT_JMPREL:
   4654  1.1  christos 	      s = htab->elf.srelplt;
   4655  1.1  christos 	      size = FALSE;
   4656  1.6  christos 	      break;
   4657  1.6  christos 	    default:
   4658  1.6  christos 	      continue;
   4659  1.1  christos 	    }
   4660  1.6  christos 
   4661  1.6  christos 	  if (s == NULL)
   4662  1.1  christos 	    dyn.d_un.d_val = 0;
   4663  1.6  christos 	  else
   4664  1.1  christos 	    {
   4665  1.6  christos 	      if (!size)
   4666  1.1  christos 		dyn.d_un.d_ptr = s->output_section->vma + s->output_offset;
   4667  1.1  christos 	      else
   4668  1.1  christos 		dyn.d_un.d_val = s->size;
   4669  1.1  christos 	    }
   4670  1.1  christos 	  bed->s->swap_dyn_out (output_bfd, &dyn, dyncon);
   4671  1.1  christos 	}
   4672  1.1  christos     }
   4673  1.1  christos   return TRUE;
   4674  1.1  christos }
   4675  1.1  christos 
   4676  1.1  christos /* Install the first PLT entry in a VxWorks executable and make sure that
   4677  1.1  christos    .rela.plt.unloaded relocations have the correct symbol indexes.  */
   4678  1.1  christos 
   4679  1.1  christos static void
   4680  1.1  christos sparc_vxworks_finish_exec_plt (bfd *output_bfd, struct bfd_link_info *info)
   4681  1.1  christos {
   4682  1.1  christos   struct _bfd_sparc_elf_link_hash_table *htab;
   4683  1.1  christos   Elf_Internal_Rela rela;
   4684  1.1  christos   bfd_vma got_base;
   4685  1.1  christos   bfd_byte *loc;
   4686  1.1  christos 
   4687  1.1  christos   htab = _bfd_sparc_elf_hash_table (info);
   4688  1.1  christos   BFD_ASSERT (htab != NULL);
   4689  1.1  christos 
   4690  1.1  christos   /* Calculate the absolute value of _GLOBAL_OFFSET_TABLE_.  */
   4691  1.1  christos   got_base = (htab->elf.hgot->root.u.def.section->output_section->vma
   4692  1.1  christos 	      + htab->elf.hgot->root.u.def.section->output_offset
   4693  1.1  christos 	      + htab->elf.hgot->root.u.def.value);
   4694  1.1  christos 
   4695  1.1  christos   /* Install the initial PLT entry.  */
   4696  1.1  christos   bfd_put_32 (output_bfd,
   4697  1.1  christos 	      sparc_vxworks_exec_plt0_entry[0] + ((got_base + 8) >> 10),
   4698  1.1  christos 	      htab->elf.splt->contents);
   4699  1.1  christos   bfd_put_32 (output_bfd,
   4700  1.1  christos 	      sparc_vxworks_exec_plt0_entry[1] + ((got_base + 8) & 0x3ff),
   4701  1.1  christos 	      htab->elf.splt->contents + 4);
   4702  1.1  christos   bfd_put_32 (output_bfd,
   4703  1.1  christos 	      sparc_vxworks_exec_plt0_entry[2],
   4704  1.1  christos 	      htab->elf.splt->contents + 8);
   4705  1.1  christos   bfd_put_32 (output_bfd,
   4706  1.1  christos 	      sparc_vxworks_exec_plt0_entry[3],
   4707  1.1  christos 	      htab->elf.splt->contents + 12);
   4708  1.1  christos   bfd_put_32 (output_bfd,
   4709  1.1  christos 	      sparc_vxworks_exec_plt0_entry[4],
   4710  1.1  christos 	      htab->elf.splt->contents + 16);
   4711  1.1  christos 
   4712  1.1  christos   loc = htab->srelplt2->contents;
   4713  1.1  christos 
   4714  1.1  christos   /* Add an unloaded relocation for the initial entry's "sethi".  */
   4715  1.1  christos   rela.r_offset = (htab->elf.splt->output_section->vma
   4716  1.1  christos 		   + htab->elf.splt->output_offset);
   4717  1.1  christos   rela.r_info = ELF32_R_INFO (htab->elf.hgot->indx, R_SPARC_HI22);
   4718  1.1  christos   rela.r_addend = 8;
   4719  1.1  christos   bfd_elf32_swap_reloca_out (output_bfd, &rela, loc);
   4720  1.1  christos   loc += sizeof (Elf32_External_Rela);
   4721  1.1  christos 
   4722  1.1  christos   /* Likewise the following "or".  */
   4723  1.1  christos   rela.r_offset += 4;
   4724  1.1  christos   rela.r_info = ELF32_R_INFO (htab->elf.hgot->indx, R_SPARC_LO10);
   4725  1.1  christos   bfd_elf32_swap_reloca_out (output_bfd, &rela, loc);
   4726  1.1  christos   loc += sizeof (Elf32_External_Rela);
   4727  1.1  christos 
   4728  1.1  christos   /* Fix up the remaining .rela.plt.unloaded relocations.  They may have
   4729  1.1  christos      the wrong symbol index for _G_O_T_ or _P_L_T_ depending on the order
   4730  1.1  christos      in which symbols were output.  */
   4731  1.1  christos   while (loc < htab->srelplt2->contents + htab->srelplt2->size)
   4732  1.1  christos     {
   4733  1.1  christos       Elf_Internal_Rela rel;
   4734  1.1  christos 
   4735  1.1  christos       /* The entry's initial "sethi" (against _G_O_T_).  */
   4736  1.1  christos       bfd_elf32_swap_reloc_in (output_bfd, loc, &rel);
   4737  1.1  christos       rel.r_info = ELF32_R_INFO (htab->elf.hgot->indx, R_SPARC_HI22);
   4738  1.1  christos       bfd_elf32_swap_reloc_out (output_bfd, &rel, loc);
   4739  1.1  christos       loc += sizeof (Elf32_External_Rela);
   4740  1.1  christos 
   4741  1.1  christos       /* The following "or" (also against _G_O_T_).  */
   4742  1.1  christos       bfd_elf32_swap_reloc_in (output_bfd, loc, &rel);
   4743  1.1  christos       rel.r_info = ELF32_R_INFO (htab->elf.hgot->indx, R_SPARC_LO10);
   4744  1.1  christos       bfd_elf32_swap_reloc_out (output_bfd, &rel, loc);
   4745  1.1  christos       loc += sizeof (Elf32_External_Rela);
   4746  1.1  christos 
   4747  1.1  christos       /* The .got.plt entry (against _P_L_T_).  */
   4748  1.1  christos       bfd_elf32_swap_reloc_in (output_bfd, loc, &rel);
   4749  1.1  christos       rel.r_info = ELF32_R_INFO (htab->elf.hplt->indx, R_SPARC_32);
   4750  1.1  christos       bfd_elf32_swap_reloc_out (output_bfd, &rel, loc);
   4751  1.1  christos       loc += sizeof (Elf32_External_Rela);
   4752  1.1  christos     }
   4753  1.1  christos }
   4754  1.1  christos 
   4755  1.1  christos /* Install the first PLT entry in a VxWorks shared object.  */
   4756  1.1  christos 
   4757  1.1  christos static void
   4758  1.1  christos sparc_vxworks_finish_shared_plt (bfd *output_bfd, struct bfd_link_info *info)
   4759  1.1  christos {
   4760  1.1  christos   struct _bfd_sparc_elf_link_hash_table *htab;
   4761  1.1  christos   unsigned int i;
   4762  1.1  christos 
   4763  1.1  christos   htab = _bfd_sparc_elf_hash_table (info);
   4764  1.1  christos   BFD_ASSERT (htab != NULL);
   4765  1.1  christos 
   4766  1.1  christos   for (i = 0; i < ARRAY_SIZE (sparc_vxworks_shared_plt0_entry); i++)
   4767  1.1  christos     bfd_put_32 (output_bfd, sparc_vxworks_shared_plt0_entry[i],
   4768  1.1  christos 		htab->elf.splt->contents + i * 4);
   4769  1.1  christos }
   4770  1.1  christos 
   4771  1.1  christos /* Finish up local dynamic symbol handling.  We set the contents of
   4772  1.1  christos    various dynamic sections here.  */
   4773  1.1  christos 
   4774  1.1  christos static bfd_boolean
   4775  1.3  christos finish_local_dynamic_symbol (void **slot, void *inf)
   4776  1.1  christos {
   4777  1.1  christos   struct elf_link_hash_entry *h
   4778  1.1  christos     = (struct elf_link_hash_entry *) *slot;
   4779  1.1  christos   struct bfd_link_info *info
   4780  1.1  christos     = (struct bfd_link_info *) inf;
   4781  1.6  christos 
   4782  1.6  christos   return _bfd_sparc_elf_finish_dynamic_symbol (info->output_bfd, info,
   4783  1.6  christos 					       h, NULL);
   4784  1.6  christos }
   4785  1.6  christos 
   4786  1.6  christos /* Finish up undefined weak symbol handling in PIE.  Fill its PLT entry
   4787  1.6  christos    here since undefined weak symbol may not be dynamic and may not be
   4788  1.6  christos    called for _bfd_sparc_elf_finish_dynamic_symbol.  */
   4789  1.6  christos 
   4790  1.6  christos static bfd_boolean
   4791  1.6  christos pie_finish_undefweak_symbol (struct bfd_hash_entry *bh,
   4792  1.6  christos 			     void *inf)
   4793  1.6  christos {
   4794  1.6  christos   struct elf_link_hash_entry *h = (struct elf_link_hash_entry *) bh;
   4795  1.6  christos   struct bfd_link_info *info = (struct bfd_link_info *) inf;
   4796  1.6  christos 
   4797  1.6  christos   if (h->root.type != bfd_link_hash_undefweak
   4798  1.6  christos       || h->dynindx != -1)
   4799  1.6  christos     return TRUE;
   4800  1.1  christos 
   4801  1.1  christos   return _bfd_sparc_elf_finish_dynamic_symbol (info->output_bfd, info,
   4802  1.1  christos 					       h, NULL);
   4803  1.1  christos }
   4804  1.1  christos 
   4805  1.1  christos bfd_boolean
   4806  1.1  christos _bfd_sparc_elf_finish_dynamic_sections (bfd *output_bfd, struct bfd_link_info *info)
   4807  1.1  christos {
   4808  1.1  christos   bfd *dynobj;
   4809  1.1  christos   asection *sdyn;
   4810  1.1  christos   struct _bfd_sparc_elf_link_hash_table *htab;
   4811  1.7  christos 
   4812  1.7  christos   htab = _bfd_sparc_elf_hash_table (info);
   4813  1.7  christos   BFD_ASSERT (htab != NULL);
   4814  1.7  christos   dynobj = htab->elf.dynobj;
   4815  1.7  christos 
   4816  1.7  christos   /* We arranged in size_dynamic_sections to put the STT_REGISTER
   4817  1.7  christos      entries at the end of the dynlocal list, so they came at the end
   4818  1.7  christos      of the local symbols in the symtab.  Except that they aren't
   4819  1.7  christos      STB_LOCAL, so we need to back up symtab->sh_info.  */
   4820  1.7  christos   if (ABI_64_P (output_bfd)
   4821  1.7  christos       && elf_hash_table (info)->dynlocal)
   4822  1.7  christos     {
   4823  1.7  christos       asection *dynsymsec = bfd_get_linker_section (dynobj, ".dynsym");
   4824  1.7  christos       struct elf_link_local_dynamic_entry *e;
   4825  1.7  christos 
   4826  1.7  christos       for (e = elf_hash_table (info)->dynlocal; e ; e = e->next)
   4827  1.7  christos 	if (e->input_indx == -1)
   4828  1.7  christos 	  break;
   4829  1.1  christos       if (e)
   4830  1.1  christos 	elf_section_data (dynsymsec->output_section)->this_hdr.sh_info
   4831  1.1  christos 	  = e->dynindx;
   4832  1.1  christos     }
   4833  1.1  christos 
   4834  1.1  christos   sdyn = bfd_get_linker_section (dynobj, ".dynamic");
   4835  1.1  christos 
   4836  1.1  christos   if (elf_hash_table (info)->dynamic_sections_created)
   4837  1.1  christos     {
   4838  1.1  christos       asection *splt;
   4839  1.1  christos 
   4840  1.1  christos       splt = htab->elf.splt;
   4841  1.1  christos       BFD_ASSERT (splt != NULL && sdyn != NULL);
   4842  1.1  christos 
   4843  1.1  christos       if (!sparc_finish_dyn (output_bfd, info, dynobj, sdyn, splt))
   4844  1.1  christos 	return FALSE;
   4845  1.1  christos 
   4846  1.3  christos       /* Initialize the contents of the .plt section.  */
   4847  1.1  christos       if (splt->size > 0)
   4848  1.1  christos 	{
   4849  1.1  christos 	  if (htab->is_vxworks)
   4850  1.1  christos 	    {
   4851  1.1  christos 	      if (bfd_link_pic (info))
   4852  1.1  christos 		sparc_vxworks_finish_shared_plt (output_bfd, info);
   4853  1.1  christos 	      else
   4854  1.1  christos 		sparc_vxworks_finish_exec_plt (output_bfd, info);
   4855  1.1  christos 	    }
   4856  1.1  christos 	  else
   4857  1.1  christos 	    {
   4858  1.1  christos 	      memset (splt->contents, 0, htab->plt_header_size);
   4859  1.1  christos 	      if (!ABI_64_P (output_bfd))
   4860  1.3  christos 		bfd_put_32 (output_bfd, (bfd_vma) SPARC_NOP,
   4861  1.6  christos 			    splt->contents + splt->size - 4);
   4862  1.6  christos 	    }
   4863  1.6  christos 	}
   4864  1.1  christos 
   4865  1.1  christos       if (elf_section_data (splt->output_section) != NULL)
   4866  1.1  christos 	elf_section_data (splt->output_section)->this_hdr.sh_entsize
   4867  1.1  christos 	  = ((htab->is_vxworks || !ABI_64_P (output_bfd))
   4868  1.1  christos 	     ? 0 : htab->plt_entry_size);
   4869  1.1  christos     }
   4870  1.1  christos 
   4871  1.1  christos   /* Set the first entry in the global offset table to the address of
   4872  1.1  christos      the dynamic section.  */
   4873  1.1  christos   if (htab->elf.sgot && htab->elf.sgot->size > 0)
   4874  1.1  christos     {
   4875  1.1  christos       bfd_vma val = (sdyn ?
   4876  1.1  christos 		     sdyn->output_section->vma + sdyn->output_offset :
   4877  1.1  christos 		     0);
   4878  1.1  christos 
   4879  1.1  christos       SPARC_ELF_PUT_WORD (htab, output_bfd, val, htab->elf.sgot->contents);
   4880  1.1  christos     }
   4881  1.1  christos 
   4882  1.1  christos   if (htab->elf.sgot)
   4883  1.1  christos     elf_section_data (htab->elf.sgot->output_section)->this_hdr.sh_entsize =
   4884  1.6  christos       SPARC_ELF_WORD_BYTES (htab);
   4885  1.6  christos 
   4886  1.6  christos   /* Fill PLT and GOT entries for local STT_GNU_IFUNC symbols.  */
   4887  1.6  christos   htab_traverse (htab->loc_hash_table, finish_local_dynamic_symbol, info);
   4888  1.6  christos 
   4889  1.1  christos   /* Fill PLT entries for undefined weak symbols in PIE.  */
   4890  1.1  christos   if (bfd_link_pie (info))
   4891  1.1  christos     bfd_hash_traverse (&info->hash->table,
   4892  1.1  christos 		       pie_finish_undefweak_symbol,
   4893  1.1  christos 		       info);
   4894  1.1  christos   return TRUE;
   4895  1.1  christos }
   4896  1.1  christos 
   4897  1.1  christos 
   4898  1.5  christos /* Set the right machine number for a SPARC ELF file.  */
   4900  1.5  christos 
   4901  1.5  christos bfd_boolean
   4902  1.5  christos _bfd_sparc_elf_object_p (bfd *abfd)
   4903  1.5  christos {
   4904  1.6  christos   obj_attribute *attrs = elf_known_obj_attributes (abfd)[OBJ_ATTR_GNU];
   4905  1.6  christos   obj_attribute *hwcaps = &attrs[Tag_GNU_Sparc_HWCAPS];
   4906  1.5  christos   obj_attribute *hwcaps2 = &attrs[Tag_GNU_Sparc_HWCAPS2];
   4907  1.6  christos 
   4908  1.6  christos   unsigned int v9c_hwcaps_mask = ELF_SPARC_HWCAP_ASI_BLK_INIT;
   4909  1.6  christos   unsigned int v9d_hwcaps_mask = (ELF_SPARC_HWCAP_FMAF
   4910  1.6  christos 				  | ELF_SPARC_HWCAP_VIS3
   4911  1.6  christos 				  | ELF_SPARC_HWCAP_HPC);
   4912  1.6  christos   unsigned int v9e_hwcaps_mask = (ELF_SPARC_HWCAP_AES
   4913  1.6  christos 				  | ELF_SPARC_HWCAP_DES
   4914  1.6  christos 				  | ELF_SPARC_HWCAP_KASUMI
   4915  1.6  christos 				  | ELF_SPARC_HWCAP_CAMELLIA
   4916  1.6  christos 				  | ELF_SPARC_HWCAP_MD5
   4917  1.6  christos 				  | ELF_SPARC_HWCAP_SHA1
   4918  1.6  christos 				  | ELF_SPARC_HWCAP_SHA256
   4919  1.5  christos 				  | ELF_SPARC_HWCAP_SHA512
   4920  1.6  christos 				  | ELF_SPARC_HWCAP_MPMUL
   4921  1.5  christos 				  | ELF_SPARC_HWCAP_MONT
   4922  1.6  christos 				  | ELF_SPARC_HWCAP_CRC32C
   4923  1.6  christos 				  | ELF_SPARC_HWCAP_CBCOND
   4924  1.6  christos 				  | ELF_SPARC_HWCAP_PAUSE);
   4925  1.6  christos   unsigned int v9v_hwcaps_mask = (ELF_SPARC_HWCAP_FJFMAU
   4926  1.6  christos 				 | ELF_SPARC_HWCAP_IMA);
   4927  1.6  christos   unsigned int v9m_hwcaps2_mask = (ELF_SPARC_HWCAP2_SPARC5
   4928  1.6  christos 				   | ELF_SPARC_HWCAP2_MWAIT
   4929  1.6  christos 				   | ELF_SPARC_HWCAP2_XMPMUL
   4930  1.6  christos 				   | ELF_SPARC_HWCAP2_XMONT);
   4931  1.6  christos   unsigned int m8_hwcaps2_mask = (ELF_SPARC_HWCAP2_SPARC6
   4932  1.6  christos 				  | ELF_SPARC_HWCAP2_ONADDSUB
   4933  1.5  christos 				  | ELF_SPARC_HWCAP2_ONMUL
   4934  1.1  christos 				  | ELF_SPARC_HWCAP2_ONDIV
   4935  1.1  christos 				  | ELF_SPARC_HWCAP2_DICTUNP
   4936  1.1  christos 				  | ELF_SPARC_HWCAP2_FPCMPSHL
   4937  1.1  christos 				  | ELF_SPARC_HWCAP2_RLE
   4938  1.6  christos 				  | ELF_SPARC_HWCAP2_SHA3);
   4939  1.6  christos 
   4940  1.6  christos   if (ABI_64_P (abfd))
   4941  1.6  christos     {
   4942  1.5  christos       unsigned long mach = bfd_mach_sparc_v9;
   4943  1.6  christos 
   4944  1.5  christos       if (hwcaps2->i & m8_hwcaps2_mask)
   4945  1.6  christos 	mach = bfd_mach_sparc_v9m8;
   4946  1.5  christos       else if (hwcaps2->i & v9m_hwcaps2_mask)
   4947  1.6  christos 	mach = bfd_mach_sparc_v9m;
   4948  1.5  christos       else if (hwcaps->i & v9v_hwcaps_mask)
   4949  1.6  christos 	mach = bfd_mach_sparc_v9v;
   4950  1.5  christos       else if (hwcaps->i & v9e_hwcaps_mask)
   4951  1.1  christos 	mach = bfd_mach_sparc_v9e;
   4952  1.1  christos       else if (hwcaps->i & v9d_hwcaps_mask)
   4953  1.1  christos 	mach = bfd_mach_sparc_v9d;
   4954  1.1  christos       else if (hwcaps->i & v9c_hwcaps_mask)
   4955  1.1  christos 	mach = bfd_mach_sparc_v9c;
   4956  1.1  christos       else if (elf_elfheader (abfd)->e_flags & EF_SPARC_SUN_US3)
   4957  1.1  christos 	mach = bfd_mach_sparc_v9b;
   4958  1.1  christos       else if (elf_elfheader (abfd)->e_flags & EF_SPARC_SUN_US1)
   4959  1.1  christos 	mach = bfd_mach_sparc_v9a;
   4960  1.6  christos       return bfd_default_set_arch_mach (abfd, bfd_arch_sparc, mach);
   4961  1.6  christos     }
   4962  1.6  christos   else
   4963  1.6  christos     {
   4964  1.5  christos       if (elf_elfheader (abfd)->e_machine == EM_SPARC32PLUS)
   4965  1.5  christos 	{
   4966  1.6  christos 	  if (hwcaps2->i & m8_hwcaps2_mask)
   4967  1.6  christos 	    return bfd_default_set_arch_mach (abfd, bfd_arch_sparc,
   4968  1.5  christos 					      bfd_mach_sparc_v8plusm8);
   4969  1.6  christos 	  else if (hwcaps2->i & v9m_hwcaps2_mask)
   4970  1.6  christos 	    return bfd_default_set_arch_mach (abfd, bfd_arch_sparc,
   4971  1.5  christos 					      bfd_mach_sparc_v8plusm);
   4972  1.6  christos 	  else if (hwcaps->i & v9v_hwcaps_mask)
   4973  1.6  christos 	    return bfd_default_set_arch_mach (abfd, bfd_arch_sparc,
   4974  1.5  christos 					      bfd_mach_sparc_v8plusv);
   4975  1.6  christos 	  else if (hwcaps->i & v9e_hwcaps_mask)
   4976  1.6  christos 	    return bfd_default_set_arch_mach (abfd, bfd_arch_sparc,
   4977  1.5  christos 					      bfd_mach_sparc_v8pluse);
   4978  1.5  christos 	  else if (hwcaps->i & v9d_hwcaps_mask)
   4979  1.1  christos 	    return bfd_default_set_arch_mach (abfd, bfd_arch_sparc,
   4980  1.1  christos 					      bfd_mach_sparc_v8plusd);
   4981  1.1  christos 	  else if (hwcaps->i & v9c_hwcaps_mask)
   4982  1.1  christos 	    return bfd_default_set_arch_mach (abfd, bfd_arch_sparc,
   4983  1.1  christos 					      bfd_mach_sparc_v8plusc);
   4984  1.1  christos 	  else if (elf_elfheader (abfd)->e_flags & EF_SPARC_SUN_US3)
   4985  1.1  christos 	    return bfd_default_set_arch_mach (abfd, bfd_arch_sparc,
   4986  1.1  christos 					      bfd_mach_sparc_v8plusb);
   4987  1.1  christos 	  else if (elf_elfheader (abfd)->e_flags & EF_SPARC_SUN_US1)
   4988  1.1  christos 	    return bfd_default_set_arch_mach (abfd, bfd_arch_sparc,
   4989  1.1  christos 					      bfd_mach_sparc_v8plusa);
   4990  1.1  christos 	  else if (elf_elfheader (abfd)->e_flags & EF_SPARC_32PLUS)
   4991  1.1  christos 	    return bfd_default_set_arch_mach (abfd, bfd_arch_sparc,
   4992  1.1  christos 					      bfd_mach_sparc_v8plus);
   4993  1.1  christos 	  else
   4994  1.1  christos 	    return FALSE;
   4995  1.1  christos 	}
   4996  1.1  christos       else if (elf_elfheader (abfd)->e_flags & EF_SPARC_LEDATA)
   4997  1.1  christos 	return bfd_default_set_arch_mach (abfd, bfd_arch_sparc,
   4998  1.1  christos 					  bfd_mach_sparc_sparclite_le);
   4999  1.1  christos       else
   5000  1.1  christos 	return bfd_default_set_arch_mach (abfd, bfd_arch_sparc, bfd_mach_sparc);
   5001  1.1  christos     }
   5002  1.1  christos }
   5003  1.1  christos 
   5004  1.1  christos /* Return address for Ith PLT stub in section PLT, for relocation REL
   5005  1.1  christos    or (bfd_vma) -1 if it should not be included.  */
   5006  1.1  christos 
   5007  1.1  christos bfd_vma
   5008  1.1  christos _bfd_sparc_elf_plt_sym_val (bfd_vma i, const asection *plt, const arelent *rel)
   5009  1.1  christos {
   5010  1.1  christos   if (ABI_64_P (plt->owner))
   5011  1.1  christos     {
   5012  1.1  christos       bfd_vma j;
   5013  1.1  christos 
   5014  1.1  christos       i += PLT64_HEADER_SIZE / PLT64_ENTRY_SIZE;
   5015  1.1  christos       if (i < PLT64_LARGE_THRESHOLD)
   5016  1.1  christos 	return plt->vma + i * PLT64_ENTRY_SIZE;
   5017  1.1  christos 
   5018  1.1  christos       j = (i - PLT64_LARGE_THRESHOLD) % 160;
   5019  1.1  christos       i -= j;
   5020  1.1  christos       return plt->vma + i * PLT64_ENTRY_SIZE + j * 4 * 6;
   5021  1.1  christos     }
   5022  1.1  christos   else
   5023  1.1  christos     return rel->address;
   5024  1.6  christos }
   5025  1.1  christos 
   5026  1.6  christos /* Merge backend specific data from an object file to the output
   5027  1.1  christos    object file when linking.  */
   5028  1.1  christos 
   5029  1.1  christos bfd_boolean
   5030  1.1  christos _bfd_sparc_elf_merge_private_bfd_data (bfd *ibfd, struct bfd_link_info *info)
   5031  1.1  christos {
   5032  1.1  christos   bfd *obfd = info->output_bfd;
   5033  1.1  christos   obj_attribute *in_attr, *in_attrs;
   5034  1.1  christos   obj_attribute *out_attr, *out_attrs;
   5035  1.1  christos 
   5036  1.1  christos   if (!elf_known_obj_attributes_proc (obfd)[0].i)
   5037  1.1  christos     {
   5038  1.1  christos       /* This is the first object.  Copy the attributes.  */
   5039  1.1  christos       _bfd_elf_copy_obj_attributes (ibfd, obfd);
   5040  1.1  christos 
   5041  1.1  christos       /* Use the Tag_null value to indicate the attributes have been
   5042  1.1  christos 	 initialized.  */
   5043  1.1  christos       elf_known_obj_attributes_proc (obfd)[0].i = 1;
   5044  1.1  christos 
   5045  1.1  christos       return TRUE;
   5046  1.1  christos     }
   5047  1.1  christos 
   5048  1.1  christos   in_attrs = elf_known_obj_attributes (ibfd)[OBJ_ATTR_GNU];
   5049  1.3  christos   out_attrs = elf_known_obj_attributes (obfd)[OBJ_ATTR_GNU];
   5050  1.3  christos 
   5051  1.3  christos   in_attr = &in_attrs[Tag_GNU_Sparc_HWCAPS];
   5052  1.3  christos   out_attr = &out_attrs[Tag_GNU_Sparc_HWCAPS];
   5053  1.3  christos 
   5054  1.3  christos   out_attr->i |= in_attr->i;
   5055  1.3  christos   out_attr->type = 1;
   5056  1.3  christos 
   5057  1.1  christos   in_attr = &in_attrs[Tag_GNU_Sparc_HWCAPS2];
   5058  1.6  christos   out_attr = &out_attrs[Tag_GNU_Sparc_HWCAPS2];
   5059  1.1  christos 
   5060  1.1  christos   out_attr->i |= in_attr->i;
   5061  1.1  christos   out_attr->type = 1;
   5062                
   5063                  /* Merge Tag_compatibility attributes and any common GNU ones.  */
   5064                  _bfd_elf_merge_object_attributes (ibfd, info);
   5065                
   5066                  return TRUE;
   5067                }
   5068