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      1   1.1  christos /* IA-64 support for 64-bit ELF
      2  1.10  christos    Copyright (C) 1998-2025 Free Software Foundation, Inc.
      3   1.1  christos    Contributed by David Mosberger-Tang <davidm (at) hpl.hp.com>
      4   1.1  christos 
      5   1.1  christos    This file is part of BFD, the Binary File Descriptor library.
      6   1.1  christos 
      7   1.1  christos    This program is free software; you can redistribute it and/or modify
      8   1.1  christos    it under the terms of the GNU General Public License as published by
      9   1.1  christos    the Free Software Foundation; either version 3 of the License, or
     10   1.1  christos    (at your option) any later version.
     11   1.1  christos 
     12   1.1  christos    This program is distributed in the hope that it will be useful,
     13   1.1  christos    but WITHOUT ANY WARRANTY; without even the implied warranty of
     14   1.1  christos    MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
     15   1.1  christos    GNU General Public License for more details.
     16   1.1  christos 
     17   1.1  christos    You should have received a copy of the GNU General Public License
     18   1.1  christos    along with this program; if not, write to the Free Software
     19   1.1  christos    Foundation, Inc., 51 Franklin Street - Fifth Floor, Boston,
     20   1.1  christos    MA 02110-1301, USA.  */
     21   1.1  christos 
     22   1.1  christos #include "sysdep.h"
     23   1.1  christos #include "bfd.h"
     24   1.1  christos #include "libbfd.h"
     25   1.1  christos #include "elf-bfd.h"
     26   1.1  christos #include "opcode/ia64.h"
     27   1.1  christos #include "elf/ia64.h"
     28   1.1  christos #include "objalloc.h"
     29   1.1  christos #include "hashtab.h"
     30   1.1  christos #include "elfxx-ia64.h"
     31   1.1  christos 
     32   1.1  christos #define ARCH_SIZE	NN
     33   1.1  christos 
     34   1.1  christos #if ARCH_SIZE == 64
     35   1.1  christos #define	LOG_SECTION_ALIGN	3
     36   1.1  christos #endif
     37   1.1  christos 
     38   1.1  christos #if ARCH_SIZE == 32
     39   1.1  christos #define	LOG_SECTION_ALIGN	2
     40   1.1  christos #endif
     41   1.1  christos 
     42   1.7  christos #define is_ia64_elf(bfd)			   \
     43   1.7  christos   (bfd_get_flavour (bfd) == bfd_target_elf_flavour \
     44   1.7  christos    && elf_object_id (bfd) == IA64_ELF_DATA)
     45   1.7  christos 
     46   1.1  christos typedef struct bfd_hash_entry *(*new_hash_entry_func)
     47   1.1  christos   (struct bfd_hash_entry *, struct bfd_hash_table *, const char *);
     48   1.1  christos 
     49   1.1  christos /* In dynamically (linker-) created sections, we generally need to keep track
     50   1.1  christos    of the place a symbol or expression got allocated to. This is done via hash
     51   1.1  christos    tables that store entries of the following type.  */
     52   1.1  christos 
     53   1.1  christos struct elfNN_ia64_dyn_sym_info
     54   1.1  christos {
     55   1.1  christos   /* The addend for which this entry is relevant.  */
     56   1.1  christos   bfd_vma addend;
     57   1.1  christos 
     58   1.1  christos   bfd_vma got_offset;
     59   1.1  christos   bfd_vma fptr_offset;
     60   1.1  christos   bfd_vma pltoff_offset;
     61   1.1  christos   bfd_vma plt_offset;
     62   1.1  christos   bfd_vma plt2_offset;
     63   1.1  christos   bfd_vma tprel_offset;
     64   1.1  christos   bfd_vma dtpmod_offset;
     65   1.1  christos   bfd_vma dtprel_offset;
     66   1.1  christos 
     67   1.1  christos   /* The symbol table entry, if any, that this was derived from.  */
     68   1.1  christos   struct elf_link_hash_entry *h;
     69   1.1  christos 
     70   1.1  christos   /* Used to count non-got, non-plt relocations for delayed sizing
     71   1.1  christos      of relocation sections.  */
     72   1.1  christos   struct elfNN_ia64_dyn_reloc_entry
     73   1.1  christos   {
     74   1.1  christos     struct elfNN_ia64_dyn_reloc_entry *next;
     75   1.1  christos     asection *srel;
     76   1.1  christos     int type;
     77   1.1  christos     int count;
     78   1.1  christos 
     79   1.1  christos     /* Is this reloc against readonly section? */
     80   1.8  christos     bool reltext;
     81   1.1  christos   } *reloc_entries;
     82   1.1  christos 
     83   1.1  christos   /* TRUE when the section contents have been updated.  */
     84   1.1  christos   unsigned got_done : 1;
     85   1.1  christos   unsigned fptr_done : 1;
     86   1.1  christos   unsigned pltoff_done : 1;
     87   1.1  christos   unsigned tprel_done : 1;
     88   1.1  christos   unsigned dtpmod_done : 1;
     89   1.1  christos   unsigned dtprel_done : 1;
     90   1.1  christos 
     91   1.1  christos   /* TRUE for the different kinds of linker data we want created.  */
     92   1.1  christos   unsigned want_got : 1;
     93   1.1  christos   unsigned want_gotx : 1;
     94   1.1  christos   unsigned want_fptr : 1;
     95   1.1  christos   unsigned want_ltoff_fptr : 1;
     96   1.1  christos   unsigned want_plt : 1;
     97   1.1  christos   unsigned want_plt2 : 1;
     98   1.1  christos   unsigned want_pltoff : 1;
     99   1.1  christos   unsigned want_tprel : 1;
    100   1.1  christos   unsigned want_dtpmod : 1;
    101   1.1  christos   unsigned want_dtprel : 1;
    102   1.1  christos };
    103   1.1  christos 
    104   1.1  christos struct elfNN_ia64_local_hash_entry
    105   1.1  christos {
    106   1.1  christos   int id;
    107   1.1  christos   unsigned int r_sym;
    108   1.1  christos   /* The number of elements in elfNN_ia64_dyn_sym_info array.  */
    109   1.1  christos   unsigned int count;
    110   1.1  christos   /* The number of sorted elements in elfNN_ia64_dyn_sym_info array.  */
    111   1.1  christos   unsigned int sorted_count;
    112   1.1  christos   /* The size of elfNN_ia64_dyn_sym_info array.  */
    113   1.1  christos   unsigned int size;
    114   1.1  christos   /* The array of elfNN_ia64_dyn_sym_info.  */
    115   1.1  christos   struct elfNN_ia64_dyn_sym_info *info;
    116   1.1  christos 
    117   1.1  christos   /* TRUE if this hash entry's addends was translated for
    118   1.1  christos      SHF_MERGE optimization.  */
    119   1.1  christos   unsigned sec_merge_done : 1;
    120   1.1  christos };
    121   1.1  christos 
    122   1.1  christos struct elfNN_ia64_link_hash_entry
    123   1.1  christos {
    124   1.1  christos   struct elf_link_hash_entry root;
    125   1.1  christos   /* The number of elements in elfNN_ia64_dyn_sym_info array.  */
    126   1.1  christos   unsigned int count;
    127   1.1  christos   /* The number of sorted elements in elfNN_ia64_dyn_sym_info array.  */
    128   1.1  christos   unsigned int sorted_count;
    129   1.1  christos   /* The size of elfNN_ia64_dyn_sym_info array.  */
    130   1.1  christos   unsigned int size;
    131   1.1  christos   /* The array of elfNN_ia64_dyn_sym_info.  */
    132   1.1  christos   struct elfNN_ia64_dyn_sym_info *info;
    133   1.1  christos };
    134   1.1  christos 
    135   1.1  christos struct elfNN_ia64_link_hash_table
    136   1.1  christos {
    137   1.1  christos   /* The main hash table.  */
    138   1.1  christos   struct elf_link_hash_table root;
    139   1.1  christos 
    140   1.1  christos   asection *fptr_sec;		/* Function descriptor table (or NULL).  */
    141   1.1  christos   asection *rel_fptr_sec;	/* Dynamic relocation section for same.  */
    142   1.1  christos   asection *pltoff_sec;		/* Private descriptors for plt (or NULL).  */
    143   1.1  christos   asection *rel_pltoff_sec;	/* Dynamic relocation section for same.  */
    144   1.1  christos 
    145   1.1  christos   bfd_size_type minplt_entries;	/* Number of minplt entries.  */
    146   1.1  christos   unsigned self_dtpmod_done : 1;/* Has self DTPMOD entry been finished?  */
    147   1.1  christos   bfd_vma self_dtpmod_offset;	/* .got offset to self DTPMOD entry.  */
    148   1.1  christos   /* There are maybe R_IA64_GPREL22 relocations, including those
    149   1.1  christos      optimized from R_IA64_LTOFF22X, against non-SHF_IA_64_SHORT
    150   1.1  christos      sections.  We need to record those sections so that we can choose
    151   1.1  christos      a proper GP to cover all R_IA64_GPREL22 relocations.  */
    152   1.1  christos   asection *max_short_sec;	/* Maximum short output section.  */
    153   1.1  christos   bfd_vma max_short_offset;	/* Maximum short offset.  */
    154   1.1  christos   asection *min_short_sec;	/* Minimum short output section.  */
    155   1.1  christos   bfd_vma min_short_offset;	/* Minimum short offset.  */
    156   1.1  christos 
    157   1.1  christos   htab_t loc_hash_table;
    158   1.1  christos   void *loc_hash_memory;
    159   1.1  christos };
    160   1.1  christos 
    161   1.1  christos struct elfNN_ia64_allocate_data
    162   1.1  christos {
    163   1.1  christos   struct bfd_link_info *info;
    164   1.1  christos   bfd_size_type ofs;
    165   1.8  christos   bool only_got;
    166   1.1  christos };
    167   1.1  christos 
    168   1.1  christos #define elfNN_ia64_hash_table(p) \
    169   1.8  christos   ((is_elf_hash_table ((p)->hash)					\
    170   1.8  christos     && elf_hash_table_id (elf_hash_table (p)) == IA64_ELF_DATA)		\
    171   1.8  christos    ? (struct elfNN_ia64_link_hash_table *) (p)->hash : NULL)
    172   1.1  christos 
    173   1.1  christos static struct elfNN_ia64_dyn_sym_info * get_dyn_sym_info
    174   1.1  christos   (struct elfNN_ia64_link_hash_table *ia64_info,
    175   1.1  christos    struct elf_link_hash_entry *h,
    176   1.8  christos    bfd *abfd, const Elf_Internal_Rela *rel, bool create);
    177   1.8  christos static bool elfNN_ia64_dynamic_symbol_p
    178   1.1  christos   (struct elf_link_hash_entry *h, struct bfd_link_info *info, int);
    179   1.8  christos static bool elfNN_ia64_choose_gp
    180   1.8  christos   (bfd *abfd, struct bfd_link_info *info, bool final);
    181   1.1  christos static void elfNN_ia64_dyn_sym_traverse
    182   1.1  christos   (struct elfNN_ia64_link_hash_table *ia64_info,
    183   1.8  christos    bool (*func) (struct elfNN_ia64_dyn_sym_info *, void *),
    184   1.1  christos    void * info);
    185   1.8  christos static bool allocate_global_data_got
    186   1.1  christos   (struct elfNN_ia64_dyn_sym_info *dyn_i, void * data);
    187   1.8  christos static bool allocate_global_fptr_got
    188   1.1  christos   (struct elfNN_ia64_dyn_sym_info *dyn_i, void * data);
    189   1.8  christos static bool allocate_local_got
    190   1.1  christos   (struct elfNN_ia64_dyn_sym_info *dyn_i, void * data);
    191   1.8  christos static bool elfNN_ia64_hpux_vec
    192   1.1  christos   (const bfd_target *vec);
    193   1.8  christos static bool allocate_dynrel_entries
    194   1.1  christos   (struct elfNN_ia64_dyn_sym_info *dyn_i, void * data);
    195   1.1  christos static asection *get_pltoff
    196   1.1  christos   (bfd *abfd, struct bfd_link_info *info,
    197   1.1  christos    struct elfNN_ia64_link_hash_table *ia64_info);
    198   1.1  christos 
    199   1.1  christos /* ia64-specific relocation.  */
    201   1.1  christos 
    202   1.1  christos /* Given a ELF reloc, return the matching HOWTO structure.  */
    203   1.8  christos 
    204   1.1  christos static bool
    205   1.1  christos elfNN_ia64_info_to_howto (bfd *abfd ATTRIBUTE_UNUSED,
    206   1.1  christos 			  arelent *bfd_reloc,
    207   1.1  christos 			  Elf_Internal_Rela *elf_reloc)
    208   1.6  christos {
    209   1.6  christos   unsigned int r_type = ELF32_R_TYPE (elf_reloc->r_info);
    210   1.6  christos 
    211   1.6  christos   bfd_reloc->howto = ia64_elf_lookup_howto (r_type);
    212   1.6  christos   if (bfd_reloc->howto == NULL)
    213   1.6  christos     {
    214   1.6  christos       /* xgettext:c-format */
    215   1.6  christos       _bfd_error_handler (_("%pB: unsupported relocation type %#x"),
    216   1.6  christos 			  abfd, r_type);
    217   1.8  christos       bfd_set_error (bfd_error_bad_value);
    218   1.6  christos       return false;
    219   1.6  christos     }
    220   1.8  christos 
    221   1.1  christos   return true;
    222   1.1  christos }
    223   1.1  christos 
    224   1.1  christos #define PLT_HEADER_SIZE		(3 * 16)
    226   1.1  christos #define PLT_MIN_ENTRY_SIZE	(1 * 16)
    227   1.1  christos #define PLT_FULL_ENTRY_SIZE	(2 * 16)
    228   1.1  christos #define PLT_RESERVED_WORDS	3
    229   1.1  christos 
    230   1.6  christos static const bfd_byte plt_header[PLT_HEADER_SIZE] =
    231   1.6  christos {
    232   1.6  christos   0x0b, 0x10, 0x00, 0x1c, 0x00, 0x21,  /*   [MMI]	mov r2=r14;;	   */
    233   1.6  christos   0xe0, 0x00, 0x08, 0x00, 0x48, 0x00,  /*		addl r14=0,r2	   */
    234   1.6  christos   0x00, 0x00, 0x04, 0x00,	       /*		nop.i 0x0;;	   */
    235   1.6  christos   0x0b, 0x80, 0x20, 0x1c, 0x18, 0x14,  /*   [MMI]	ld8 r16=[r14],8;;  */
    236   1.6  christos   0x10, 0x41, 0x38, 0x30, 0x28, 0x00,  /*		ld8 r17=[r14],8	   */
    237   1.6  christos   0x00, 0x00, 0x04, 0x00,	       /*		nop.i 0x0;;	   */
    238   1.6  christos   0x11, 0x08, 0x00, 0x1c, 0x18, 0x10,  /*   [MIB]	ld8 r1=[r14]	   */
    239   1.1  christos   0x60, 0x88, 0x04, 0x80, 0x03, 0x00,  /*		mov b6=r17	   */
    240   1.1  christos   0x60, 0x00, 0x80, 0x00	       /*		br.few b6;;	   */
    241   1.1  christos };
    242   1.1  christos 
    243   1.6  christos static const bfd_byte plt_min_entry[PLT_MIN_ENTRY_SIZE] =
    244   1.6  christos {
    245   1.6  christos   0x11, 0x78, 0x00, 0x00, 0x00, 0x24,  /*   [MIB]	mov r15=0	   */
    246   1.1  christos   0x00, 0x00, 0x00, 0x02, 0x00, 0x00,  /*		nop.i 0x0	   */
    247   1.1  christos   0x00, 0x00, 0x00, 0x40	       /*		br.few 0 <PLT0>;;  */
    248   1.1  christos };
    249   1.1  christos 
    250   1.6  christos static const bfd_byte plt_full_entry[PLT_FULL_ENTRY_SIZE] =
    251   1.6  christos {
    252   1.6  christos   0x0b, 0x78, 0x00, 0x02, 0x00, 0x24,  /*   [MMI]	addl r15=0,r1;;	   */
    253   1.6  christos   0x00, 0x41, 0x3c, 0x70, 0x29, 0xc0,  /*		ld8.acq r16=[r15],8*/
    254   1.6  christos   0x01, 0x08, 0x00, 0x84,	       /*		mov r14=r1;;	   */
    255   1.6  christos   0x11, 0x08, 0x00, 0x1e, 0x18, 0x10,  /*   [MIB]	ld8 r1=[r15]	   */
    256   1.1  christos   0x60, 0x80, 0x04, 0x80, 0x03, 0x00,  /*		mov b6=r16	   */
    257   1.1  christos   0x60, 0x00, 0x80, 0x00	       /*		br.few b6;;	   */
    258   1.1  christos };
    259   1.1  christos 
    260   1.1  christos #define ELF_DYNAMIC_INTERPRETER "/usr/lib/ld.so.1"
    261   1.1  christos 
    262   1.6  christos static const bfd_byte oor_brl[16] =
    263   1.6  christos {
    264   1.1  christos   0x05, 0x00, 0x00, 0x00, 0x01, 0x00,  /*  [MLX]	nop.m 0		   */
    265   1.1  christos   0x00, 0x00, 0x00, 0x00, 0x00, 0x00,  /*		brl.sptk.few tgt;; */
    266   1.1  christos   0x00, 0x00, 0x00, 0xc0
    267   1.1  christos };
    268   1.1  christos 
    269   1.6  christos static const bfd_byte oor_ip[48] =
    270   1.6  christos {
    271   1.1  christos   0x04, 0x00, 0x00, 0x00, 0x01, 0x00,  /*  [MLX]	nop.m 0		   */
    272   1.6  christos   0x00, 0x00, 0x00, 0x00, 0x00, 0xe0,  /*		movl r15=0	   */
    273   1.6  christos   0x01, 0x00, 0x00, 0x60,
    274   1.6  christos   0x03, 0x00, 0x00, 0x00, 0x01, 0x00,  /*  [MII]	nop.m 0		   */
    275   1.6  christos   0x00, 0x01, 0x00, 0x60, 0x00, 0x00,  /*		mov r16=ip;;	   */
    276   1.6  christos   0xf2, 0x80, 0x00, 0x80,	       /*		add r16=r15,r16;;  */
    277   1.6  christos   0x11, 0x00, 0x00, 0x00, 0x01, 0x00,  /*  [MIB]	nop.m 0		   */
    278   1.1  christos   0x60, 0x80, 0x04, 0x80, 0x03, 0x00,  /*		mov b6=r16	   */
    279   1.1  christos   0x60, 0x00, 0x80, 0x00	       /*		br b6;;		   */
    280   1.1  christos };
    281   1.1  christos 
    282   1.1  christos static size_t oor_branch_size = sizeof (oor_brl);
    283   1.1  christos 
    284   1.1  christos void
    285   1.1  christos bfd_elfNN_ia64_after_parse (int itanium)
    286   1.1  christos {
    287   1.1  christos   oor_branch_size = itanium ? sizeof (oor_ip) : sizeof (oor_brl);
    288   1.1  christos }
    289   1.1  christos 
    290   1.1  christos 
    292   1.1  christos /* Rename some of the generic section flags to better document how they
    293   1.1  christos    are used here.  */
    294   1.1  christos #define skip_relax_pass_0 sec_flg0
    295   1.1  christos #define skip_relax_pass_1 sec_flg1
    296   1.1  christos 
    297   1.1  christos /* These functions do relaxation for IA-64 ELF.  */
    298   1.1  christos 
    299   1.1  christos static void
    300   1.1  christos elfNN_ia64_update_short_info (asection *sec, bfd_vma offset,
    301   1.1  christos 			      struct elfNN_ia64_link_hash_table *ia64_info)
    302   1.1  christos {
    303   1.1  christos   /* Skip ABS and SHF_IA_64_SHORT sections.  */
    304   1.1  christos   if (sec == bfd_abs_section_ptr
    305   1.1  christos       || (sec->flags & SEC_SMALL_DATA) != 0)
    306   1.1  christos     return;
    307   1.1  christos 
    308   1.1  christos   if (!ia64_info->min_short_sec)
    309   1.1  christos     {
    310   1.1  christos       ia64_info->max_short_sec = sec;
    311   1.1  christos       ia64_info->max_short_offset = offset;
    312   1.1  christos       ia64_info->min_short_sec = sec;
    313   1.1  christos       ia64_info->min_short_offset = offset;
    314   1.1  christos     }
    315   1.1  christos   else if (sec == ia64_info->max_short_sec
    316   1.1  christos 	   && offset > ia64_info->max_short_offset)
    317   1.1  christos     ia64_info->max_short_offset = offset;
    318   1.1  christos   else if (sec == ia64_info->min_short_sec
    319   1.1  christos 	   && offset < ia64_info->min_short_offset)
    320   1.1  christos     ia64_info->min_short_offset = offset;
    321   1.1  christos   else if (sec->output_section->vma
    322   1.1  christos 	   > ia64_info->max_short_sec->vma)
    323   1.1  christos     {
    324   1.1  christos       ia64_info->max_short_sec = sec;
    325   1.1  christos       ia64_info->max_short_offset = offset;
    326   1.1  christos     }
    327   1.1  christos   else if (sec->output_section->vma
    328   1.1  christos 	   < ia64_info->min_short_sec->vma)
    329   1.1  christos     {
    330   1.1  christos       ia64_info->min_short_sec = sec;
    331   1.1  christos       ia64_info->min_short_offset = offset;
    332   1.8  christos     }
    333   1.1  christos }
    334   1.1  christos 
    335   1.8  christos static bool
    336   1.1  christos elfNN_ia64_relax_section (bfd *abfd, asection *sec,
    337   1.1  christos 			  struct bfd_link_info *link_info,
    338   1.1  christos 			  bool *again)
    339   1.1  christos {
    340   1.1  christos   struct one_fixup
    341   1.1  christos     {
    342   1.1  christos       struct one_fixup *next;
    343   1.1  christos       asection *tsec;
    344   1.1  christos       bfd_vma toff;
    345   1.1  christos       bfd_vma trampoff;
    346   1.1  christos     };
    347   1.1  christos 
    348   1.1  christos   Elf_Internal_Shdr *symtab_hdr;
    349   1.1  christos   Elf_Internal_Rela *internal_relocs;
    350   1.1  christos   Elf_Internal_Rela *irel, *irelend;
    351   1.1  christos   bfd_byte *contents;
    352   1.8  christos   Elf_Internal_Sym *isymbuf = NULL;
    353   1.8  christos   struct elfNN_ia64_link_hash_table *ia64_info;
    354   1.8  christos   struct one_fixup *fixups = NULL;
    355   1.8  christos   bool changed_contents = false;
    356   1.8  christos   bool changed_relocs = false;
    357   1.1  christos   bool changed_got = false;
    358   1.1  christos   bool skip_relax_pass_0 = true;
    359   1.1  christos   bool skip_relax_pass_1 = true;
    360   1.1  christos   bfd_vma gp = 0;
    361   1.8  christos 
    362   1.1  christos   /* Assume we're not going to change any sizes, and we'll only need
    363   1.3  christos      one pass.  */
    364  1.10  christos   *again = false;
    365  1.10  christos 
    366   1.1  christos   if (bfd_link_relocatable (link_info))
    367   1.1  christos     link_info->callbacks->fatal
    368   1.1  christos       (_("%P: --relax and -r may not be used together\n"));
    369   1.8  christos 
    370   1.1  christos   /* Don't even try to relax for non-ELF outputs.  */
    371   1.1  christos   if (!is_elf_hash_table (link_info->hash))
    372   1.1  christos     return false;
    373   1.9  christos 
    374   1.9  christos   /* Nothing to do if there are no relocations or there is no need for
    375   1.9  christos      the current pass.  */
    376   1.1  christos   if (sec->reloc_count == 0
    377   1.1  christos       || (sec->flags & SEC_RELOC) == 0
    378   1.8  christos       || (sec->flags & SEC_HAS_CONTENTS) == 0
    379   1.1  christos       || (link_info->relax_pass == 0 && sec->skip_relax_pass_0)
    380   1.1  christos       || (link_info->relax_pass == 1 && sec->skip_relax_pass_1))
    381   1.1  christos     return true;
    382   1.8  christos 
    383   1.1  christos   ia64_info = elfNN_ia64_hash_table (link_info);
    384   1.1  christos   if (ia64_info == NULL)
    385   1.1  christos     return false;
    386   1.1  christos 
    387   1.1  christos   symtab_hdr = &elf_tdata (abfd)->symtab_hdr;
    388   1.1  christos 
    389   1.1  christos   /* Load the relocations for this section.  */
    390   1.1  christos   internal_relocs = (_bfd_elf_link_read_relocs
    391   1.8  christos 		     (abfd, sec, NULL, (Elf_Internal_Rela *) NULL,
    392   1.1  christos 		      link_info->keep_memory));
    393   1.1  christos   if (internal_relocs == NULL)
    394   1.1  christos     return false;
    395   1.1  christos 
    396   1.1  christos   irelend = internal_relocs + sec->reloc_count;
    397   1.1  christos 
    398   1.1  christos   /* Get the section contents.  */
    399   1.1  christos   if (elf_section_data (sec)->this_hdr.contents != NULL)
    400   1.1  christos     contents = elf_section_data (sec)->this_hdr.contents;
    401   1.1  christos   else
    402   1.1  christos     {
    403   1.1  christos       if (!bfd_malloc_and_get_section (abfd, sec, &contents))
    404   1.1  christos 	goto error_return;
    405   1.1  christos     }
    406   1.1  christos 
    407   1.1  christos   for (irel = internal_relocs; irel < irelend; irel++)
    408   1.1  christos     {
    409   1.1  christos       unsigned long r_type = ELFNN_R_TYPE (irel->r_info);
    410   1.1  christos       bfd_vma symaddr, reladdr, trampoff, toff, roff;
    411   1.8  christos       asection *tsec;
    412   1.1  christos       struct one_fixup *f;
    413   1.1  christos       bfd_size_type amt;
    414   1.1  christos       bool is_branch;
    415   1.1  christos       struct elfNN_ia64_dyn_sym_info *dyn_i;
    416   1.1  christos       char symtype;
    417   1.1  christos 
    418   1.1  christos       switch (r_type)
    419   1.1  christos 	{
    420   1.1  christos 	case R_IA64_PCREL21B:
    421   1.1  christos 	case R_IA64_PCREL21BI:
    422   1.1  christos 	case R_IA64_PCREL21M:
    423   1.1  christos 	case R_IA64_PCREL21F:
    424   1.8  christos 	  /* In pass 1, all br relaxations are done. We can skip it. */
    425   1.8  christos 	  if (link_info->relax_pass == 1)
    426   1.1  christos 	    continue;
    427   1.1  christos 	  skip_relax_pass_0 = false;
    428   1.1  christos 	  is_branch = true;
    429   1.1  christos 	  break;
    430   1.1  christos 
    431   1.1  christos 	case R_IA64_PCREL60B:
    432   1.1  christos 	  /* We can't optimize brl to br in pass 0 since br relaxations
    433   1.8  christos 	     will increase the code size. Defer it to pass 1.  */
    434   1.1  christos 	  if (link_info->relax_pass == 0)
    435   1.1  christos 	    {
    436   1.8  christos 	      skip_relax_pass_1 = false;
    437   1.1  christos 	      continue;
    438   1.1  christos 	    }
    439   1.1  christos 	  is_branch = true;
    440   1.1  christos 	  break;
    441   1.1  christos 
    442   1.1  christos 	case R_IA64_GPREL22:
    443   1.1  christos 	  /* Update max_short_sec/min_short_sec.  */
    444   1.1  christos 
    445   1.1  christos 	case R_IA64_LTOFF22X:
    446   1.1  christos 	case R_IA64_LDXMOV:
    447   1.1  christos 	  /* We can't relax ldx/mov in pass 0 since br relaxations will
    448   1.8  christos 	     increase the code size. Defer it to pass 1.  */
    449   1.1  christos 	  if (link_info->relax_pass == 0)
    450   1.1  christos 	    {
    451   1.8  christos 	      skip_relax_pass_1 = false;
    452   1.1  christos 	      continue;
    453   1.1  christos 	    }
    454   1.1  christos 	  is_branch = false;
    455   1.1  christos 	  break;
    456   1.1  christos 
    457   1.1  christos 	default:
    458   1.1  christos 	  continue;
    459   1.1  christos 	}
    460   1.1  christos 
    461   1.1  christos       /* Get the value of the symbol referred to by the reloc.  */
    462   1.1  christos       if (ELFNN_R_SYM (irel->r_info) < symtab_hdr->sh_info)
    463   1.1  christos 	{
    464   1.1  christos 	  /* A local symbol.  */
    465   1.1  christos 	  Elf_Internal_Sym *isym;
    466   1.1  christos 
    467   1.1  christos 	  /* Read this BFD's local symbols.  */
    468   1.1  christos 	  if (isymbuf == NULL)
    469   1.1  christos 	    {
    470   1.1  christos 	      isymbuf = (Elf_Internal_Sym *) symtab_hdr->contents;
    471   1.1  christos 	      if (isymbuf == NULL)
    472   1.1  christos 		isymbuf = bfd_elf_get_elf_syms (abfd, symtab_hdr,
    473   1.1  christos 						symtab_hdr->sh_info, 0,
    474   1.1  christos 						NULL, NULL, NULL);
    475   1.1  christos 	      if (isymbuf == 0)
    476   1.1  christos 		goto error_return;
    477   1.1  christos 	    }
    478   1.1  christos 
    479   1.1  christos 	  isym = isymbuf + ELFNN_R_SYM (irel->r_info);
    480   1.1  christos 	  if (isym->st_shndx == SHN_UNDEF)
    481   1.1  christos 	    continue;	/* We can't do anything with undefined symbols.  */
    482   1.1  christos 	  else if (isym->st_shndx == SHN_ABS)
    483   1.1  christos 	    tsec = bfd_abs_section_ptr;
    484   1.1  christos 	  else if (isym->st_shndx == SHN_COMMON)
    485   1.1  christos 	    tsec = bfd_com_section_ptr;
    486   1.1  christos 	  else if (isym->st_shndx == SHN_IA_64_ANSI_COMMON)
    487   1.1  christos 	    tsec = bfd_com_section_ptr;
    488   1.1  christos 	  else
    489   1.8  christos 	    tsec = bfd_section_from_elf_index (abfd, isym->st_shndx);
    490   1.1  christos 
    491   1.1  christos 	  toff = isym->st_value;
    492   1.1  christos 	  dyn_i = get_dyn_sym_info (ia64_info, NULL, abfd, irel, false);
    493   1.1  christos 	  symtype = ELF_ST_TYPE (isym->st_info);
    494   1.1  christos 	}
    495   1.1  christos       else
    496   1.1  christos 	{
    497   1.1  christos 	  unsigned long indx;
    498   1.1  christos 	  struct elf_link_hash_entry *h;
    499   1.1  christos 
    500   1.1  christos 	  indx = ELFNN_R_SYM (irel->r_info) - symtab_hdr->sh_info;
    501   1.1  christos 	  h = elf_sym_hashes (abfd)[indx];
    502   1.1  christos 	  BFD_ASSERT (h != NULL);
    503   1.1  christos 
    504   1.1  christos 	  while (h->root.type == bfd_link_hash_indirect
    505   1.8  christos 		 || h->root.type == bfd_link_hash_warning)
    506   1.1  christos 	    h = (struct elf_link_hash_entry *) h->root.u.i.link;
    507   1.1  christos 
    508   1.1  christos 	  dyn_i = get_dyn_sym_info (ia64_info, h, abfd, irel, false);
    509   1.1  christos 
    510   1.1  christos 	  /* For branches to dynamic symbols, we're interested instead
    511   1.1  christos 	     in a branch to the PLT entry.  */
    512   1.1  christos 	  if (is_branch && dyn_i && dyn_i->want_plt2)
    513   1.1  christos 	    {
    514   1.1  christos 	      /* Internal branches shouldn't be sent to the PLT.
    515   1.1  christos 		 Leave this for now and we'll give an error later.  */
    516   1.1  christos 	      if (r_type != R_IA64_PCREL21B)
    517   1.1  christos 		continue;
    518   1.1  christos 
    519   1.1  christos 	      tsec = ia64_info->root.splt;
    520   1.1  christos 	      toff = dyn_i->plt2_offset;
    521   1.1  christos 	      BFD_ASSERT (irel->r_addend == 0);
    522   1.1  christos 	    }
    523   1.1  christos 
    524   1.1  christos 	  /* Can't do anything else with dynamic symbols.  */
    525   1.1  christos 	  else if (elfNN_ia64_dynamic_symbol_p (h, link_info, r_type))
    526   1.1  christos 	    continue;
    527   1.1  christos 
    528   1.1  christos 	  else
    529   1.1  christos 	    {
    530   1.1  christos 	      /* We can't do anything with undefined symbols.  */
    531   1.1  christos 	      if (h->root.type == bfd_link_hash_undefined
    532   1.1  christos 		  || h->root.type == bfd_link_hash_undefweak)
    533   1.1  christos 		continue;
    534   1.1  christos 
    535   1.1  christos 	      tsec = h->root.u.def.section;
    536   1.1  christos 	      toff = h->root.u.def.value;
    537   1.1  christos 	    }
    538   1.1  christos 
    539   1.1  christos 	  symtype = h->type;
    540   1.1  christos 	}
    541   1.1  christos 
    542   1.1  christos       if (tsec->sec_info_type == SEC_INFO_TYPE_MERGE)
    543   1.1  christos 	{
    544   1.1  christos 	  /* At this stage in linking, no SEC_MERGE symbol has been
    545   1.1  christos 	     adjusted, so all references to such symbols need to be
    546   1.1  christos 	     passed through _bfd_merged_section_offset.  (Later, in
    547   1.1  christos 	     relocate_section, all SEC_MERGE symbols *except* for
    548   1.1  christos 	     section symbols have been adjusted.)
    549   1.1  christos 
    550   1.1  christos 	     gas may reduce relocations against symbols in SEC_MERGE
    551   1.1  christos 	     sections to a relocation against the section symbol when
    552   1.1  christos 	     the original addend was zero.  When the reloc is against
    553   1.1  christos 	     a section symbol we should include the addend in the
    554   1.1  christos 	     offset passed to _bfd_merged_section_offset, since the
    555   1.1  christos 	     location of interest is the original symbol.  On the
    556   1.1  christos 	     other hand, an access to "sym+addend" where "sym" is not
    557   1.1  christos 	     a section symbol should not include the addend;  Such an
    558   1.1  christos 	     access is presumed to be an offset from "sym";  The
    559   1.1  christos 	     location of interest is just "sym".  */
    560   1.1  christos 	   if (symtype == STT_SECTION)
    561   1.1  christos 	     toff += irel->r_addend;
    562   1.1  christos 
    563   1.1  christos 	   toff = _bfd_merged_section_offset (abfd, &tsec,
    564   1.1  christos 					      elf_section_data (tsec)->sec_info,
    565   1.1  christos 					      toff);
    566   1.1  christos 
    567   1.1  christos 	   if (symtype != STT_SECTION)
    568   1.1  christos 	     toff += irel->r_addend;
    569   1.1  christos 	}
    570   1.1  christos       else
    571   1.1  christos 	toff += irel->r_addend;
    572   1.1  christos 
    573   1.1  christos       symaddr = tsec->output_section->vma + tsec->output_offset + toff;
    574   1.1  christos 
    575   1.1  christos       roff = irel->r_offset;
    576   1.1  christos 
    577   1.1  christos       if (is_branch)
    578   1.1  christos 	{
    579   1.1  christos 	  bfd_signed_vma offset;
    580   1.1  christos 
    581   1.1  christos 	  reladdr = (sec->output_section->vma
    582   1.1  christos 		     + sec->output_offset
    583   1.1  christos 		     + roff) & (bfd_vma) -4;
    584   1.1  christos 
    585   1.1  christos 	  /* The .plt section is aligned at 32byte and the .text section
    586   1.1  christos 	     is aligned at 64byte. The .text section is right after the
    587   1.3  christos 	     .plt section.  After the first relaxation pass, linker may
    588   1.1  christos 	     increase the gap between the .plt and .text sections up
    589   1.1  christos 	     to 32byte.  We assume linker will always insert 32byte
    590   1.1  christos 	     between the .plt and .text sections after the first
    591   1.1  christos 	     relaxation pass.  */
    592   1.1  christos 	  if (tsec == ia64_info->root.splt)
    593   1.1  christos 	    offset = -0x1000000 + 32;
    594   1.1  christos 	  else
    595   1.1  christos 	    offset = -0x1000000;
    596   1.1  christos 
    597   1.1  christos 	  /* If the branch is in range, no need to do anything.  */
    598   1.1  christos 	  if ((bfd_signed_vma) (symaddr - reladdr) >= offset
    599   1.1  christos 	      && (bfd_signed_vma) (symaddr - reladdr) <= 0x0FFFFF0)
    600   1.1  christos 	    {
    601   1.1  christos 	      /* If the 60-bit branch is in 21-bit range, optimize it. */
    602   1.1  christos 	      if (r_type == R_IA64_PCREL60B)
    603   1.1  christos 		{
    604   1.1  christos 		  ia64_elf_relax_brl (contents, roff);
    605   1.1  christos 
    606   1.1  christos 		  irel->r_info
    607   1.1  christos 		    = ELFNN_R_INFO (ELFNN_R_SYM (irel->r_info),
    608   1.1  christos 				    R_IA64_PCREL21B);
    609   1.1  christos 
    610   1.1  christos 		  /* If the original relocation offset points to slot
    611   1.6  christos 		     1, change it to slot 2.  */
    612   1.8  christos 		  if ((irel->r_offset & 3) == 1)
    613   1.8  christos 		    irel->r_offset += 1;
    614   1.1  christos 
    615   1.1  christos 		  changed_contents = true;
    616   1.1  christos 		  changed_relocs = true;
    617   1.1  christos 		}
    618   1.1  christos 
    619   1.1  christos 	      continue;
    620   1.1  christos 	    }
    621   1.1  christos 	  else if (r_type == R_IA64_PCREL60B)
    622   1.1  christos 	    continue;
    623   1.1  christos 	  else if (ia64_elf_relax_br (contents, roff))
    624   1.1  christos 	    {
    625   1.1  christos 	      irel->r_info
    626   1.1  christos 		= ELFNN_R_INFO (ELFNN_R_SYM (irel->r_info),
    627   1.1  christos 				R_IA64_PCREL60B);
    628   1.6  christos 
    629   1.8  christos 	      /* Make the relocation offset point to slot 1.  */
    630   1.8  christos 	      irel->r_offset = (irel->r_offset & ~((bfd_vma) 0x3)) + 1;
    631   1.1  christos 
    632   1.1  christos 	      changed_contents = true;
    633   1.1  christos 	      changed_relocs = true;
    634   1.1  christos 	      continue;
    635   1.1  christos 	    }
    636   1.1  christos 
    637   1.1  christos 	  /* We can't put a trampoline in a .init/.fini section. Issue
    638   1.1  christos 	     an error.  */
    639   1.6  christos 	  if (strcmp (sec->output_section->name, ".init") == 0
    640   1.6  christos 	      || strcmp (sec->output_section->name, ".fini") == 0)
    641   1.6  christos 	    {
    642   1.6  christos 	      _bfd_error_handler
    643   1.6  christos 		/* xgettext:c-format */
    644   1.1  christos 		(_("%pB: can't relax br at %#" PRIx64 " in section `%pA';"
    645   1.1  christos 		   " please use brl or indirect branch"),
    646   1.1  christos 		 sec->owner, (uint64_t) roff, sec);
    647   1.1  christos 	      bfd_set_error (bfd_error_bad_value);
    648   1.1  christos 	      goto error_return;
    649   1.1  christos 	    }
    650   1.1  christos 
    651   1.1  christos 	  /* If the branch and target are in the same section, you've
    652   1.1  christos 	     got one honking big section and we can't help you unless
    653   1.1  christos 	     you are branching backwards.  You'll get an error message
    654   1.1  christos 	     later.  */
    655   1.1  christos 	  if (tsec == sec && toff > roff)
    656   1.1  christos 	    continue;
    657   1.1  christos 
    658   1.1  christos 	  /* Look for an existing fixup to this address.  */
    659   1.1  christos 	  for (f = fixups; f ; f = f->next)
    660   1.1  christos 	    if (f->tsec == tsec && f->toff == toff)
    661   1.1  christos 	      break;
    662   1.1  christos 
    663   1.1  christos 	  if (f == NULL)
    664   1.1  christos 	    {
    665   1.1  christos 	      /* Two alternatives: If it's a branch to a PLT entry, we can
    666   1.1  christos 		 make a copy of the FULL_PLT entry.  Otherwise, we'll have
    667   1.1  christos 		 to use a `brl' insn to get where we're going.  */
    668   1.1  christos 
    669   1.1  christos 	      size_t size;
    670   1.1  christos 
    671   1.1  christos 	      if (tsec == ia64_info->root.splt)
    672   1.1  christos 		size = sizeof (plt_full_entry);
    673   1.1  christos 	      else
    674   1.1  christos 		size = oor_branch_size;
    675   1.1  christos 
    676   1.1  christos 	      /* Resize the current section to make room for the new branch. */
    677   1.1  christos 	      trampoff = (sec->size + 15) & (bfd_vma) -16;
    678   1.1  christos 
    679   1.1  christos 	      /* If trampoline is out of range, there is nothing we
    680   1.1  christos 		 can do.  */
    681   1.1  christos 	      offset = trampoff - (roff & (bfd_vma) -4);
    682   1.1  christos 	      if (offset < -0x1000000 || offset > 0x0FFFFF0)
    683   1.1  christos 		continue;
    684   1.1  christos 
    685   1.1  christos 	      amt = trampoff + size;
    686   1.1  christos 	      contents = (bfd_byte *) bfd_realloc (contents, amt);
    687   1.1  christos 	      if (contents == NULL)
    688   1.1  christos 		goto error_return;
    689   1.1  christos 	      sec->size = amt;
    690   1.1  christos 
    691   1.1  christos 	      if (tsec == ia64_info->root.splt)
    692   1.1  christos 		{
    693   1.1  christos 		  memcpy (contents + trampoff, plt_full_entry, size);
    694   1.1  christos 
    695   1.1  christos 		  /* Hijack the old relocation for use as the PLTOFF reloc.  */
    696   1.1  christos 		  irel->r_info = ELFNN_R_INFO (ELFNN_R_SYM (irel->r_info),
    697   1.1  christos 					       R_IA64_PLTOFF22);
    698   1.1  christos 		  irel->r_offset = trampoff;
    699   1.1  christos 		}
    700   1.1  christos 	      else
    701   1.1  christos 		{
    702   1.1  christos 		  if (size == sizeof (oor_ip))
    703   1.1  christos 		    {
    704   1.1  christos 		      memcpy (contents + trampoff, oor_ip, size);
    705   1.1  christos 		      irel->r_info = ELFNN_R_INFO (ELFNN_R_SYM (irel->r_info),
    706   1.1  christos 						   R_IA64_PCREL64I);
    707   1.1  christos 		      irel->r_addend -= 16;
    708   1.1  christos 		      irel->r_offset = trampoff + 2;
    709   1.1  christos 		    }
    710   1.1  christos 		  else
    711   1.1  christos 		    {
    712   1.1  christos 		      memcpy (contents + trampoff, oor_brl, size);
    713   1.1  christos 		      irel->r_info = ELFNN_R_INFO (ELFNN_R_SYM (irel->r_info),
    714   1.1  christos 						   R_IA64_PCREL60B);
    715   1.1  christos 		      irel->r_offset = trampoff + 2;
    716   1.1  christos 		    }
    717   1.1  christos 
    718   1.1  christos 		}
    719   1.1  christos 
    720   1.1  christos 	      /* Record the fixup so we don't do it again this section.  */
    721   1.1  christos 	      f = (struct one_fixup *)
    722   1.1  christos 		bfd_malloc ((bfd_size_type) sizeof (*f));
    723   1.1  christos 	      f->next = fixups;
    724   1.1  christos 	      f->tsec = tsec;
    725   1.1  christos 	      f->toff = toff;
    726   1.1  christos 	      f->trampoff = trampoff;
    727   1.1  christos 	      fixups = f;
    728   1.1  christos 	    }
    729   1.1  christos 	  else
    730   1.1  christos 	    {
    731   1.1  christos 	      /* If trampoline is out of range, there is nothing we
    732   1.1  christos 		 can do.  */
    733   1.1  christos 	      offset = f->trampoff - (roff & (bfd_vma) -4);
    734   1.1  christos 	      if (offset < -0x1000000 || offset > 0x0FFFFF0)
    735   1.1  christos 		continue;
    736   1.1  christos 
    737   1.1  christos 	      /* Nop out the reloc, since we're finalizing things here.  */
    738   1.1  christos 	      irel->r_info = ELFNN_R_INFO (0, R_IA64_NONE);
    739   1.1  christos 	    }
    740   1.1  christos 
    741   1.1  christos 	  /* Fix up the existing branch to hit the trampoline.  */
    742   1.1  christos 	  if (ia64_elf_install_value (contents + roff, offset, r_type)
    743   1.8  christos 	      != bfd_reloc_ok)
    744   1.8  christos 	    goto error_return;
    745   1.1  christos 
    746   1.1  christos 	  changed_contents = true;
    747   1.1  christos 	  changed_relocs = true;
    748   1.1  christos 	}
    749   1.1  christos       else
    750   1.1  christos 	{
    751   1.1  christos 	  /* Fetch the gp.  */
    752   1.1  christos 	  if (gp == 0)
    753   1.1  christos 	    {
    754   1.1  christos 	      bfd *obfd = sec->output_section->owner;
    755   1.8  christos 	      gp = _bfd_get_gp_value (obfd);
    756   1.1  christos 	      if (gp == 0)
    757   1.1  christos 		{
    758   1.1  christos 		  if (!elfNN_ia64_choose_gp (obfd, link_info, false))
    759   1.1  christos 		    goto error_return;
    760   1.1  christos 		  gp = _bfd_get_gp_value (obfd);
    761   1.1  christos 		}
    762   1.1  christos 	    }
    763   1.1  christos 
    764   1.1  christos 	  /* If the data is out of range, do nothing.  */
    765   1.1  christos 	  if ((bfd_signed_vma) (symaddr - gp) >= 0x200000
    766   1.1  christos 	      ||(bfd_signed_vma) (symaddr - gp) < -0x200000)
    767   1.1  christos 	    continue;
    768   1.1  christos 
    769   1.1  christos 	  if (r_type == R_IA64_GPREL22)
    770   1.1  christos 	    elfNN_ia64_update_short_info (tsec->output_section,
    771   1.1  christos 					  tsec->output_offset + toff,
    772   1.1  christos 					  ia64_info);
    773   1.1  christos 	  else if (r_type == R_IA64_LTOFF22X)
    774   1.8  christos 	    {
    775   1.1  christos 	      irel->r_info = ELFNN_R_INFO (ELFNN_R_SYM (irel->r_info),
    776   1.1  christos 					   R_IA64_GPREL22);
    777   1.1  christos 	      changed_relocs = true;
    778   1.1  christos 	      if (dyn_i->want_gotx)
    779   1.1  christos 		{
    780   1.1  christos 		  dyn_i->want_gotx = 0;
    781   1.1  christos 		  changed_got |= !dyn_i->want_got;
    782   1.1  christos 		}
    783   1.1  christos 
    784   1.1  christos 	      elfNN_ia64_update_short_info (tsec->output_section,
    785   1.1  christos 					    tsec->output_offset + toff,
    786   1.1  christos 					    ia64_info);
    787   1.1  christos 	    }
    788   1.1  christos 	  else
    789   1.8  christos 	    {
    790   1.8  christos 	      ia64_elf_relax_ldxmov (contents, roff);
    791   1.1  christos 	      irel->r_info = ELFNN_R_INFO (0, R_IA64_NONE);
    792   1.1  christos 	      changed_contents = true;
    793   1.1  christos 	      changed_relocs = true;
    794   1.1  christos 	    }
    795   1.1  christos 	}
    796   1.1  christos     }
    797   1.1  christos 
    798   1.1  christos   /* ??? If we created fixups, this may push the code segment large
    799   1.1  christos      enough that the data segment moves, which will change the GP.
    800   1.1  christos      Reset the GP so that we re-calculate next round.  We need to
    801   1.1  christos      do this at the _beginning_ of the next round; now will not do.  */
    802   1.1  christos 
    803   1.1  christos   /* Clean up and go home.  */
    804   1.1  christos   while (fixups)
    805   1.1  christos     {
    806   1.1  christos       struct one_fixup *f = fixups;
    807   1.1  christos       fixups = fixups->next;
    808   1.1  christos       free (f);
    809   1.1  christos     }
    810   1.1  christos 
    811   1.1  christos   if (isymbuf != NULL
    812   1.1  christos       && symtab_hdr->contents != (unsigned char *) isymbuf)
    813   1.1  christos     {
    814   1.1  christos       if (! link_info->keep_memory)
    815   1.1  christos 	free (isymbuf);
    816   1.1  christos       else
    817   1.1  christos 	{
    818   1.1  christos 	  /* Cache the symbols for elf_link_input_bfd.  */
    819   1.1  christos 	  symtab_hdr->contents = (unsigned char *) isymbuf;
    820   1.1  christos 	}
    821   1.1  christos     }
    822   1.1  christos 
    823   1.1  christos   if (contents != NULL
    824   1.1  christos       && elf_section_data (sec)->this_hdr.contents != contents)
    825   1.1  christos     {
    826   1.1  christos       if (!changed_contents && !link_info->keep_memory)
    827   1.1  christos 	free (contents);
    828   1.1  christos       else
    829   1.1  christos 	{
    830   1.1  christos 	  /* Cache the section contents for elf_link_input_bfd.  */
    831   1.1  christos 	  elf_section_data (sec)->this_hdr.contents = contents;
    832   1.1  christos 	}
    833   1.1  christos     }
    834   1.1  christos 
    835   1.1  christos   if (elf_section_data (sec)->relocs != internal_relocs)
    836   1.1  christos     {
    837   1.1  christos       if (!changed_relocs)
    838   1.1  christos 	free (internal_relocs);
    839   1.1  christos       else
    840   1.1  christos 	elf_section_data (sec)->relocs = internal_relocs;
    841   1.1  christos     }
    842   1.1  christos 
    843   1.1  christos   if (changed_got)
    844   1.1  christos     {
    845   1.1  christos       struct elfNN_ia64_allocate_data data;
    846   1.1  christos       data.info = link_info;
    847   1.1  christos       data.ofs = 0;
    848   1.1  christos       ia64_info->self_dtpmod_offset = (bfd_vma) -1;
    849   1.1  christos 
    850   1.1  christos       elfNN_ia64_dyn_sym_traverse (ia64_info, allocate_global_data_got, &data);
    851   1.1  christos       elfNN_ia64_dyn_sym_traverse (ia64_info, allocate_global_fptr_got, &data);
    852   1.1  christos       elfNN_ia64_dyn_sym_traverse (ia64_info, allocate_local_got, &data);
    853   1.1  christos       ia64_info->root.sgot->size = data.ofs;
    854   1.1  christos 
    855   1.1  christos       if (ia64_info->root.dynamic_sections_created
    856   1.1  christos 	  && ia64_info->root.srelgot != NULL)
    857   1.3  christos 	{
    858   1.1  christos 	  /* Resize .rela.got.  */
    859   1.1  christos 	  ia64_info->root.srelgot->size = 0;
    860   1.8  christos 	  if (bfd_link_pic (link_info)
    861   1.1  christos 	      && ia64_info->self_dtpmod_offset != (bfd_vma) -1)
    862   1.1  christos 	    ia64_info->root.srelgot->size += sizeof (ElfNN_External_Rela);
    863   1.1  christos 	  data.only_got = true;
    864   1.1  christos 	  elfNN_ia64_dyn_sym_traverse (ia64_info, allocate_dynrel_entries,
    865   1.1  christos 				       &data);
    866   1.1  christos 	}
    867   1.1  christos     }
    868   1.1  christos 
    869   1.1  christos   if (link_info->relax_pass == 0)
    870   1.1  christos     {
    871   1.1  christos       /* Pass 0 is only needed to relax br.  */
    872   1.1  christos       sec->skip_relax_pass_0 = skip_relax_pass_0;
    873   1.1  christos       sec->skip_relax_pass_1 = skip_relax_pass_1;
    874   1.8  christos     }
    875   1.1  christos 
    876   1.1  christos   *again = changed_contents || changed_relocs;
    877   1.8  christos   return true;
    878   1.1  christos 
    879   1.8  christos  error_return:
    880   1.1  christos   if ((unsigned char *) isymbuf != symtab_hdr->contents)
    881   1.8  christos     free (isymbuf);
    882   1.1  christos   if (elf_section_data (sec)->this_hdr.contents != contents)
    883   1.8  christos     free (contents);
    884   1.1  christos   if (elf_section_data (sec)->relocs != internal_relocs)
    885   1.1  christos     free (internal_relocs);
    886   1.1  christos   return false;
    887   1.1  christos }
    888   1.1  christos #undef skip_relax_pass_0
    889   1.1  christos #undef skip_relax_pass_1
    890   1.8  christos 
    891   1.1  christos /* Return TRUE if NAME is an unwind table section name.  */
    893   1.1  christos 
    894   1.1  christos static inline bool
    895   1.8  christos is_unwind_section_name (bfd *abfd, const char *name)
    896   1.1  christos {
    897   1.8  christos   if (elfNN_ia64_hpux_vec (abfd->xvec)
    898   1.8  christos       && !strcmp (name, ELF_STRING_ia64_unwind_hdr))
    899   1.8  christos     return false;
    900   1.1  christos 
    901   1.1  christos   return ((startswith (name, ELF_STRING_ia64_unwind)
    902   1.1  christos 	   && ! startswith (name, ELF_STRING_ia64_unwind_info))
    903   1.1  christos 	  || startswith (name, ELF_STRING_ia64_unwind_once));
    904   1.1  christos }
    905   1.1  christos 
    906   1.8  christos /* Handle an IA-64 specific section when reading an object file.  This
    907   1.1  christos    is called when bfd_section_from_shdr finds a section with an unknown
    908   1.1  christos    type.  */
    909   1.1  christos 
    910   1.1  christos static bool
    911   1.1  christos elfNN_ia64_section_from_shdr (bfd *abfd,
    912   1.1  christos 			      Elf_Internal_Shdr *hdr,
    913   1.1  christos 			      const char *name,
    914   1.1  christos 			      int shindex)
    915   1.1  christos {
    916   1.1  christos   /* There ought to be a place to keep ELF backend specific flags, but
    917   1.1  christos      at the moment there isn't one.  We just keep track of the
    918   1.1  christos      sections by their name, instead.  Fortunately, the ABI gives
    919   1.1  christos      suggested names for all the MIPS specific sections, so we will
    920   1.1  christos      probably get away with this.  */
    921   1.1  christos   switch (hdr->sh_type)
    922   1.1  christos     {
    923   1.1  christos     case SHT_IA_64_UNWIND:
    924   1.1  christos     case SHT_IA_64_HP_OPT_ANOT:
    925   1.8  christos       break;
    926   1.1  christos 
    927   1.1  christos     case SHT_IA_64_EXT:
    928   1.1  christos       if (strcmp (name, ELF_STRING_ia64_archext) != 0)
    929   1.8  christos 	return false;
    930   1.1  christos       break;
    931   1.1  christos 
    932   1.1  christos     default:
    933   1.8  christos       return false;
    934   1.1  christos     }
    935   1.8  christos 
    936   1.1  christos   if (! _bfd_elf_make_section_from_shdr (abfd, hdr, name, shindex))
    937   1.1  christos     return false;
    938   1.1  christos 
    939   1.1  christos   return true;
    940   1.1  christos }
    941   1.1  christos 
    942   1.1  christos /* Convert IA-64 specific section flags to bfd internal section flags.  */
    943   1.8  christos 
    944   1.8  christos /* ??? There is no bfd internal flag equivalent to the SHF_IA_64_NORECOV
    945   1.1  christos    flag.  */
    946   1.1  christos 
    947   1.8  christos static bool
    948   1.1  christos elfNN_ia64_section_flags (const Elf_Internal_Shdr *hdr)
    949   1.8  christos {
    950   1.1  christos   if (hdr->sh_flags & SHF_IA_64_SHORT)
    951   1.1  christos     hdr->bfd_section->flags |= SEC_SMALL_DATA;
    952   1.1  christos 
    953   1.1  christos   return true;
    954   1.1  christos }
    955   1.8  christos 
    956   1.1  christos /* Set the correct type for an IA-64 ELF section.  We do this by the
    957   1.1  christos    section name, which is a hack, but ought to work.  */
    958   1.1  christos 
    959   1.1  christos static bool
    960   1.1  christos elfNN_ia64_fake_sections (bfd *abfd, Elf_Internal_Shdr *hdr,
    961   1.7  christos 			  asection *sec)
    962   1.1  christos {
    963   1.1  christos   const char *name;
    964   1.1  christos 
    965   1.1  christos   name = bfd_section_name (sec);
    966   1.1  christos 
    967   1.1  christos   if (is_unwind_section_name (abfd, name))
    968   1.1  christos     {
    969   1.1  christos       /* We don't have the sections numbered at this point, so sh_info
    970   1.1  christos 	 is set later, in elfNN_ia64_final_write_processing.  */
    971   1.1  christos       hdr->sh_type = SHT_IA_64_UNWIND;
    972   1.1  christos       hdr->sh_flags |= SHF_LINK_ORDER;
    973   1.1  christos     }
    974   1.1  christos   else if (strcmp (name, ELF_STRING_ia64_archext) == 0)
    975   1.1  christos     hdr->sh_type = SHT_IA_64_EXT;
    976   1.1  christos   else if (strcmp (name, ".HP.opt_annot") == 0)
    977   1.1  christos     hdr->sh_type = SHT_IA_64_HP_OPT_ANOT;
    978   1.1  christos   else if (strcmp (name, ".reloc") == 0)
    979   1.1  christos     /* This is an ugly, but unfortunately necessary hack that is
    980   1.1  christos        needed when producing EFI binaries on IA-64. It tells
    981   1.1  christos        elf.c:elf_fake_sections() not to consider ".reloc" as a section
    982   1.1  christos        containing ELF relocation info.  We need this hack in order to
    983   1.1  christos        be able to generate ELF binaries that can be translated into
    984   1.1  christos        EFI applications (which are essentially COFF objects).  Those
    985   1.1  christos        files contain a COFF ".reloc" section inside an ELFNN object,
    986   1.1  christos        which would normally cause BFD to segfault because it would
    987   1.1  christos        attempt to interpret this section as containing relocation
    988   1.1  christos        entries for section "oc".  With this hack enabled, ".reloc"
    989   1.1  christos        will be treated as a normal data section, which will avoid the
    990   1.1  christos        segfault.  However, you won't be able to create an ELFNN binary
    991   1.1  christos        with a section named "oc" that needs relocations, but that's
    992   1.1  christos        the kind of ugly side-effects you get when detecting section
    993   1.1  christos        types based on their names...  In practice, this limitation is
    994   1.1  christos        unlikely to bite.  */
    995   1.1  christos     hdr->sh_type = SHT_PROGBITS;
    996   1.1  christos 
    997   1.1  christos   if (sec->flags & SEC_SMALL_DATA)
    998   1.1  christos     hdr->sh_flags |= SHF_IA_64_SHORT;
    999   1.1  christos 
   1000   1.1  christos   /* Some HP linkers look for the SHF_IA_64_HP_TLS flag instead of SHF_TLS. */
   1001   1.8  christos 
   1002   1.1  christos   if (elfNN_ia64_hpux_vec (abfd->xvec) && (sec->flags & SHF_TLS))
   1003   1.1  christos     hdr->sh_flags |= SHF_IA_64_HP_TLS;
   1004   1.1  christos 
   1005   1.1  christos   return true;
   1006   1.1  christos }
   1007   1.8  christos 
   1008   1.7  christos /* The final processing done just before writing out an IA-64 ELF
   1009   1.1  christos    object file.  */
   1010   1.1  christos 
   1011   1.1  christos static bool
   1012   1.1  christos elfNN_ia64_final_write_processing (bfd *abfd)
   1013   1.1  christos {
   1014   1.1  christos   Elf_Internal_Shdr *hdr;
   1015   1.1  christos   asection *s;
   1016   1.1  christos 
   1017   1.1  christos   for (s = abfd->sections; s; s = s->next)
   1018   1.1  christos     {
   1019   1.1  christos       hdr = &elf_section_data (s)->this_hdr;
   1020   1.1  christos       switch (hdr->sh_type)
   1021   1.1  christos 	{
   1022   1.1  christos 	case SHT_IA_64_UNWIND:
   1023   1.1  christos 	  /* The IA-64 processor-specific ABI requires setting sh_link
   1024   1.1  christos 	     to the unwind section, whereas HP-UX requires sh_info to
   1025   1.1  christos 	     do so.  For maximum compatibility, we'll set both for
   1026   1.1  christos 	     now... */
   1027   1.1  christos 	  hdr->sh_info = hdr->sh_link;
   1028   1.1  christos 	  break;
   1029   1.1  christos 	}
   1030   1.1  christos     }
   1031   1.1  christos 
   1032   1.1  christos   if (! elf_flags_init (abfd))
   1033   1.1  christos     {
   1034   1.1  christos       unsigned long flags = 0;
   1035   1.1  christos 
   1036   1.1  christos       if (abfd->xvec->byteorder == BFD_ENDIAN_BIG)
   1037   1.1  christos 	flags |= EF_IA_64_BE;
   1038   1.8  christos       if (bfd_get_mach (abfd) == bfd_mach_ia64_elf64)
   1039   1.1  christos 	flags |= EF_IA_64_ABI64;
   1040   1.7  christos 
   1041   1.1  christos       elf_elfheader(abfd)->e_flags = flags;
   1042   1.1  christos       elf_flags_init (abfd) = true;
   1043   1.1  christos     }
   1044   1.1  christos   return _bfd_elf_final_write_processing (abfd);
   1045   1.1  christos }
   1046   1.8  christos 
   1047   1.1  christos /* Hook called by the linker routine which adds symbols from an object
   1048   1.1  christos    file.  We use it to put .comm items in .sbss, and not .bss.  */
   1049   1.1  christos 
   1050   1.1  christos static bool
   1051   1.1  christos elfNN_ia64_add_symbol_hook (bfd *abfd,
   1052   1.1  christos 			    struct bfd_link_info *info,
   1053   1.1  christos 			    Elf_Internal_Sym *sym,
   1054   1.1  christos 			    const char **namep ATTRIBUTE_UNUSED,
   1055   1.1  christos 			    flagword *flagsp ATTRIBUTE_UNUSED,
   1056   1.3  christos 			    asection **secp,
   1057   1.1  christos 			    bfd_vma *valp)
   1058   1.1  christos {
   1059   1.1  christos   if (sym->st_shndx == SHN_COMMON
   1060   1.1  christos       && !bfd_link_relocatable (info)
   1061   1.1  christos       && sym->st_size <= elf_gp_size (abfd))
   1062   1.1  christos     {
   1063   1.1  christos       /* Common symbols less than or equal to -G nn bytes are
   1064   1.1  christos 	 automatically put into .sbss.  */
   1065   1.1  christos 
   1066   1.1  christos       asection *scomm = bfd_get_section_by_name (abfd, ".scommon");
   1067   1.1  christos 
   1068   1.1  christos       if (scomm == NULL)
   1069   1.8  christos 	{
   1070   1.1  christos 	  scomm = bfd_make_section_with_flags (abfd, ".scommon",
   1071   1.1  christos 					       (SEC_ALLOC
   1072   1.8  christos 						| SEC_IS_COMMON
   1073   1.1  christos 						| SEC_SMALL_DATA
   1074   1.1  christos 						| SEC_LINKER_CREATED));
   1075   1.1  christos 	  if (scomm == NULL)
   1076   1.1  christos 	    return false;
   1077   1.1  christos 	}
   1078   1.1  christos 
   1079   1.8  christos       *secp = scomm;
   1080   1.1  christos       *valp = sym->st_size;
   1081   1.1  christos     }
   1082   1.1  christos 
   1083   1.1  christos   return true;
   1084   1.1  christos }
   1085   1.1  christos 
   1086   1.1  christos /* Return the number of additional phdrs we will need.  */
   1087   1.1  christos 
   1088   1.1  christos static int
   1089   1.1  christos elfNN_ia64_additional_program_headers (bfd *abfd,
   1090   1.1  christos 				       struct bfd_link_info *info ATTRIBUTE_UNUSED)
   1091   1.1  christos {
   1092   1.1  christos   asection *s;
   1093   1.1  christos   int ret = 0;
   1094   1.1  christos 
   1095   1.1  christos   /* See if we need a PT_IA_64_ARCHEXT segment.  */
   1096   1.1  christos   s = bfd_get_section_by_name (abfd, ELF_STRING_ia64_archext);
   1097   1.1  christos   if (s && (s->flags & SEC_LOAD))
   1098   1.1  christos     ++ret;
   1099   1.1  christos 
   1100   1.1  christos   /* Count how many PT_IA_64_UNWIND segments we need.  */
   1101   1.1  christos   for (s = abfd->sections; s; s = s->next)
   1102   1.1  christos     if (is_unwind_section_name (abfd, s->name) && (s->flags & SEC_LOAD))
   1103   1.1  christos       ++ret;
   1104   1.8  christos 
   1105   1.1  christos   return ret;
   1106   1.1  christos }
   1107   1.1  christos 
   1108   1.1  christos static bool
   1109   1.1  christos elfNN_ia64_modify_segment_map (bfd *abfd,
   1110   1.1  christos 			       struct bfd_link_info *info ATTRIBUTE_UNUSED)
   1111   1.1  christos {
   1112   1.1  christos   struct elf_segment_map *m, **pm;
   1113   1.1  christos   Elf_Internal_Shdr *hdr;
   1114   1.1  christos   asection *s;
   1115   1.1  christos 
   1116   1.1  christos   /* If we need a PT_IA_64_ARCHEXT segment, it must come before
   1117   1.3  christos      all PT_LOAD segments.  */
   1118   1.1  christos   s = bfd_get_section_by_name (abfd, ELF_STRING_ia64_archext);
   1119   1.1  christos   if (s && (s->flags & SEC_LOAD))
   1120   1.1  christos     {
   1121   1.1  christos       for (m = elf_seg_map (abfd); m != NULL; m = m->next)
   1122   1.1  christos 	if (m->p_type == PT_IA_64_ARCHEXT)
   1123   1.1  christos 	  break;
   1124   1.1  christos       if (m == NULL)
   1125   1.8  christos 	{
   1126   1.1  christos 	  m = ((struct elf_segment_map *)
   1127   1.1  christos 	       bfd_zalloc (abfd, (bfd_size_type) sizeof *m));
   1128   1.1  christos 	  if (m == NULL)
   1129   1.1  christos 	    return false;
   1130   1.1  christos 
   1131   1.1  christos 	  m->p_type = PT_IA_64_ARCHEXT;
   1132   1.3  christos 	  m->count = 1;
   1133   1.1  christos 	  m->sections[0] = s;
   1134   1.1  christos 
   1135   1.1  christos 	  /* We want to put it after the PHDR and INTERP segments.  */
   1136   1.1  christos 	  pm = &elf_seg_map (abfd);
   1137   1.1  christos 	  while (*pm != NULL
   1138   1.1  christos 		 && ((*pm)->p_type == PT_PHDR
   1139   1.1  christos 		     || (*pm)->p_type == PT_INTERP))
   1140   1.1  christos 	    pm = &(*pm)->next;
   1141   1.1  christos 
   1142   1.1  christos 	  m->next = *pm;
   1143   1.1  christos 	  *pm = m;
   1144   1.1  christos 	}
   1145   1.1  christos     }
   1146   1.1  christos 
   1147   1.1  christos   /* Install PT_IA_64_UNWIND segments, if needed.  */
   1148   1.1  christos   for (s = abfd->sections; s; s = s->next)
   1149   1.1  christos     {
   1150   1.1  christos       hdr = &elf_section_data (s)->this_hdr;
   1151   1.1  christos       if (hdr->sh_type != SHT_IA_64_UNWIND)
   1152   1.3  christos 	continue;
   1153   1.1  christos 
   1154   1.1  christos       if (s && (s->flags & SEC_LOAD))
   1155   1.1  christos 	{
   1156   1.1  christos 	  for (m = elf_seg_map (abfd); m != NULL; m = m->next)
   1157   1.1  christos 	    if (m->p_type == PT_IA_64_UNWIND)
   1158   1.1  christos 	      {
   1159   1.1  christos 		int i;
   1160   1.1  christos 
   1161   1.1  christos 		/* Look through all sections in the unwind segment
   1162   1.1  christos 		   for a match since there may be multiple sections
   1163   1.1  christos 		   to a segment.  */
   1164   1.1  christos 		for (i = m->count - 1; i >= 0; --i)
   1165   1.1  christos 		  if (m->sections[i] == s)
   1166   1.1  christos 		    break;
   1167   1.1  christos 
   1168   1.1  christos 		if (i >= 0)
   1169   1.1  christos 		  break;
   1170   1.1  christos 	      }
   1171   1.1  christos 
   1172   1.1  christos 	  if (m == NULL)
   1173   1.8  christos 	    {
   1174   1.1  christos 	      m = ((struct elf_segment_map *)
   1175   1.1  christos 		   bfd_zalloc (abfd, (bfd_size_type) sizeof *m));
   1176   1.1  christos 	      if (m == NULL)
   1177   1.1  christos 		return false;
   1178   1.1  christos 
   1179   1.1  christos 	      m->p_type = PT_IA_64_UNWIND;
   1180   1.1  christos 	      m->count = 1;
   1181   1.3  christos 	      m->sections[0] = s;
   1182   1.1  christos 	      m->next = NULL;
   1183   1.1  christos 
   1184   1.1  christos 	      /* We want to put it last.  */
   1185   1.1  christos 	      pm = &elf_seg_map (abfd);
   1186   1.1  christos 	      while (*pm != NULL)
   1187   1.1  christos 		pm = &(*pm)->next;
   1188   1.1  christos 	      *pm = m;
   1189   1.8  christos 	    }
   1190   1.1  christos 	}
   1191   1.1  christos     }
   1192   1.1  christos 
   1193   1.1  christos   return true;
   1194   1.1  christos }
   1195   1.1  christos 
   1196   1.8  christos /* Turn on PF_IA_64_NORECOV if needed.  This involves traversing all of
   1197   1.7  christos    the input sections for each output section in the segment and testing
   1198   1.1  christos    for SHF_IA_64_NORECOV on each.  */
   1199   1.1  christos 
   1200   1.1  christos static bool
   1201   1.1  christos elfNN_ia64_modify_headers (bfd *abfd, struct bfd_link_info *info)
   1202   1.1  christos {
   1203   1.3  christos   struct elf_obj_tdata *tdata = elf_tdata (abfd);
   1204   1.1  christos   struct elf_segment_map *m;
   1205   1.1  christos   Elf_Internal_Phdr *p;
   1206   1.1  christos 
   1207   1.1  christos   for (p = tdata->phdr, m = elf_seg_map (abfd); m != NULL; m = m->next, p++)
   1208   1.1  christos     if (m->p_type == PT_LOAD)
   1209   1.1  christos       {
   1210   1.1  christos 	int i;
   1211   1.1  christos 	for (i = m->count - 1; i >= 0; --i)
   1212   1.1  christos 	  {
   1213   1.1  christos 	    struct bfd_link_order *order = m->sections[i]->map_head.link_order;
   1214   1.1  christos 
   1215   1.1  christos 	    while (order != NULL)
   1216   1.1  christos 	      {
   1217   1.1  christos 		if (order->type == bfd_indirect_link_order)
   1218   1.1  christos 		  {
   1219   1.1  christos 		    asection *is = order->u.indirect.section;
   1220   1.1  christos 		    bfd_vma flags = elf_section_data(is)->this_hdr.sh_flags;
   1221   1.1  christos 		    if (flags & SHF_IA_64_NORECOV)
   1222   1.1  christos 		      {
   1223   1.1  christos 			p->p_flags |= PF_IA_64_NORECOV;
   1224   1.1  christos 			goto found;
   1225   1.1  christos 		      }
   1226   1.1  christos 		  }
   1227   1.1  christos 		order = order->next;
   1228   1.1  christos 	      }
   1229   1.7  christos 	  }
   1230   1.1  christos       found:;
   1231   1.1  christos       }
   1232   1.1  christos 
   1233   1.1  christos   return _bfd_elf_modify_headers (abfd, info);
   1234   1.1  christos }
   1235   1.8  christos 
   1236   1.1  christos /* According to the Tahoe assembler spec, all labels starting with a
   1237   1.1  christos    '.' are local.  */
   1238   1.1  christos 
   1239   1.1  christos static bool
   1240   1.1  christos elfNN_ia64_is_local_label_name (bfd *abfd ATTRIBUTE_UNUSED,
   1241   1.1  christos 				const char *name)
   1242   1.1  christos {
   1243   1.1  christos   return name[0] == '.';
   1244   1.8  christos }
   1245   1.1  christos 
   1246   1.1  christos /* Should we do dynamic things to this symbol?  */
   1247   1.1  christos 
   1248   1.8  christos static bool
   1249   1.1  christos elfNN_ia64_dynamic_symbol_p (struct elf_link_hash_entry *h,
   1250   1.1  christos 			     struct bfd_link_info *info, int r_type)
   1251   1.1  christos {
   1252   1.1  christos   bool ignore_protected
   1253   1.1  christos     = ((r_type & 0xf8) == 0x40		/* FPTR relocs */
   1254   1.1  christos        || (r_type & 0xf8) == 0x50);	/* LTOFF_FPTR relocs */
   1255   1.1  christos 
   1256   1.1  christos   return _bfd_elf_dynamic_symbol_p (h, info, ignore_protected);
   1257   1.1  christos }
   1258   1.1  christos 
   1259   1.1  christos static struct bfd_hash_entry*
   1261   1.1  christos elfNN_ia64_new_elf_hash_entry (struct bfd_hash_entry *entry,
   1262   1.1  christos 			       struct bfd_hash_table *table,
   1263   1.1  christos 			       const char *string)
   1264   1.1  christos {
   1265   1.1  christos   struct elfNN_ia64_link_hash_entry *ret;
   1266   1.1  christos   ret = (struct elfNN_ia64_link_hash_entry *) entry;
   1267   1.1  christos 
   1268   1.1  christos   /* Allocate the structure if it has not already been allocated by a
   1269   1.1  christos      subclass.  */
   1270   1.1  christos   if (!ret)
   1271   1.1  christos     ret = bfd_hash_allocate (table, sizeof (*ret));
   1272   1.1  christos 
   1273   1.1  christos   if (!ret)
   1274   1.1  christos     return 0;
   1275   1.1  christos 
   1276   1.1  christos   /* Call the allocation method of the superclass.  */
   1277   1.1  christos   ret = ((struct elfNN_ia64_link_hash_entry *)
   1278   1.1  christos 	 _bfd_elf_link_hash_newfunc ((struct bfd_hash_entry *) ret,
   1279   1.1  christos 				     table, string));
   1280   1.1  christos 
   1281   1.1  christos   ret->info = NULL;
   1282   1.1  christos   ret->count = 0;
   1283   1.1  christos   ret->sorted_count = 0;
   1284   1.1  christos   ret->size = 0;
   1285   1.1  christos   return (struct bfd_hash_entry *) ret;
   1286   1.1  christos }
   1287   1.1  christos 
   1288   1.1  christos static void
   1289   1.1  christos elfNN_ia64_hash_copy_indirect (struct bfd_link_info *info,
   1290   1.1  christos 			       struct elf_link_hash_entry *xdir,
   1291   1.1  christos 			       struct elf_link_hash_entry *xind)
   1292   1.1  christos {
   1293   1.1  christos   struct elfNN_ia64_link_hash_entry *dir, *ind;
   1294   1.1  christos 
   1295   1.1  christos   dir = (struct elfNN_ia64_link_hash_entry *) xdir;
   1296   1.6  christos   ind = (struct elfNN_ia64_link_hash_entry *) xind;
   1297   1.6  christos 
   1298   1.1  christos   /* Copy down any references that we may have already seen to the
   1299   1.1  christos      symbol which just became indirect.  */
   1300   1.1  christos 
   1301   1.1  christos   if (dir->root.versioned != versioned_hidden)
   1302   1.1  christos     dir->root.ref_dynamic |= ind->root.ref_dynamic;
   1303   1.1  christos   dir->root.ref_regular |= ind->root.ref_regular;
   1304   1.1  christos   dir->root.ref_regular_nonweak |= ind->root.ref_regular_nonweak;
   1305   1.1  christos   dir->root.needs_plt |= ind->root.needs_plt;
   1306   1.1  christos 
   1307   1.1  christos   if (ind->root.root.type != bfd_link_hash_indirect)
   1308   1.1  christos     return;
   1309   1.1  christos 
   1310   1.1  christos   /* Copy over the got and plt data.  This would have been done
   1311   1.1  christos      by check_relocs.  */
   1312   1.1  christos 
   1313   1.8  christos   if (ind->info != NULL)
   1314   1.1  christos     {
   1315   1.1  christos       struct elfNN_ia64_dyn_sym_info *dyn_i;
   1316   1.1  christos       unsigned int count;
   1317   1.1  christos 
   1318   1.1  christos       free (dir->info);
   1319   1.1  christos 
   1320   1.1  christos       dir->info = ind->info;
   1321   1.1  christos       dir->count = ind->count;
   1322   1.1  christos       dir->sorted_count = ind->sorted_count;
   1323   1.1  christos       dir->size = ind->size;
   1324   1.1  christos 
   1325   1.1  christos       ind->info = NULL;
   1326   1.1  christos       ind->count = 0;
   1327   1.1  christos       ind->sorted_count = 0;
   1328   1.1  christos       ind->size = 0;
   1329   1.1  christos 
   1330   1.1  christos       /* Fix up the dyn_sym_info pointers to the global symbol.  */
   1331   1.1  christos       for (count = dir->count, dyn_i = dir->info;
   1332   1.1  christos 	   count != 0;
   1333   1.1  christos 	   count--, dyn_i++)
   1334   1.1  christos 	dyn_i->h = &dir->root;
   1335   1.1  christos     }
   1336   1.1  christos 
   1337   1.1  christos   /* Copy over the dynindx.  */
   1338   1.1  christos 
   1339   1.1  christos   if (ind->root.dynindx != -1)
   1340   1.1  christos     {
   1341   1.1  christos       if (dir->root.dynindx != -1)
   1342   1.1  christos 	_bfd_elf_strtab_delref (elf_hash_table (info)->dynstr,
   1343   1.1  christos 				dir->root.dynstr_index);
   1344   1.1  christos       dir->root.dynindx = ind->root.dynindx;
   1345   1.1  christos       dir->root.dynstr_index = ind->root.dynstr_index;
   1346   1.1  christos       ind->root.dynindx = -1;
   1347   1.1  christos       ind->root.dynstr_index = 0;
   1348   1.1  christos     }
   1349   1.8  christos }
   1350   1.1  christos 
   1351   1.1  christos static void
   1352   1.1  christos elfNN_ia64_hash_hide_symbol (struct bfd_link_info *info,
   1353   1.1  christos 			     struct elf_link_hash_entry *xh,
   1354   1.1  christos 			     bool force_local)
   1355   1.1  christos {
   1356   1.1  christos   struct elfNN_ia64_link_hash_entry *h;
   1357   1.1  christos   struct elfNN_ia64_dyn_sym_info *dyn_i;
   1358   1.1  christos   unsigned int count;
   1359   1.1  christos 
   1360   1.1  christos   h = (struct elfNN_ia64_link_hash_entry *)xh;
   1361   1.1  christos 
   1362   1.1  christos   _bfd_elf_link_hash_hide_symbol (info, &h->root, force_local);
   1363   1.1  christos 
   1364   1.1  christos   for (count = h->count, dyn_i = h->info;
   1365   1.1  christos        count != 0;
   1366   1.1  christos        count--, dyn_i++)
   1367   1.1  christos     {
   1368   1.1  christos       dyn_i->want_plt2 = 0;
   1369   1.1  christos       dyn_i->want_plt = 0;
   1370   1.1  christos     }
   1371   1.1  christos }
   1372   1.1  christos 
   1373   1.1  christos /* Compute a hash of a local hash entry.  */
   1374   1.1  christos 
   1375   1.1  christos static hashval_t
   1376   1.1  christos elfNN_ia64_local_htab_hash (const void *ptr)
   1377   1.1  christos {
   1378   1.1  christos   struct elfNN_ia64_local_hash_entry *entry
   1379   1.1  christos     = (struct elfNN_ia64_local_hash_entry *) ptr;
   1380   1.1  christos 
   1381   1.1  christos   return ELF_LOCAL_SYMBOL_HASH (entry->id, entry->r_sym);
   1382   1.1  christos }
   1383   1.1  christos 
   1384   1.1  christos /* Compare local hash entries.  */
   1385   1.1  christos 
   1386   1.1  christos static int
   1387   1.1  christos elfNN_ia64_local_htab_eq (const void *ptr1, const void *ptr2)
   1388   1.1  christos {
   1389   1.1  christos   struct elfNN_ia64_local_hash_entry *entry1
   1390   1.1  christos     = (struct elfNN_ia64_local_hash_entry *) ptr1;
   1391   1.1  christos   struct elfNN_ia64_local_hash_entry *entry2
   1392   1.1  christos     = (struct elfNN_ia64_local_hash_entry *) ptr2;
   1393   1.1  christos 
   1394   1.8  christos   return entry1->id == entry2->id && entry1->r_sym == entry2->r_sym;
   1395   1.8  christos }
   1396   1.8  christos 
   1397   1.1  christos /* Free the global elfNN_ia64_dyn_sym_info array.  */
   1398   1.1  christos 
   1399   1.1  christos static bool
   1400   1.1  christos elfNN_ia64_global_dyn_info_free (struct elf_link_hash_entry *xentry,
   1401   1.8  christos 				 void *unused ATTRIBUTE_UNUSED)
   1402   1.8  christos {
   1403   1.8  christos   struct elfNN_ia64_link_hash_entry *entry
   1404   1.8  christos     = (struct elfNN_ia64_link_hash_entry *) xentry;
   1405   1.8  christos 
   1406   1.1  christos   free (entry->info);
   1407   1.8  christos   entry->info = NULL;
   1408   1.1  christos   entry->count = 0;
   1409   1.1  christos   entry->sorted_count = 0;
   1410   1.1  christos   entry->size = 0;
   1411   1.1  christos 
   1412   1.8  christos   return true;
   1413   1.1  christos }
   1414   1.1  christos 
   1415   1.1  christos /* Free the local elfNN_ia64_dyn_sym_info array.  */
   1416   1.1  christos 
   1417   1.1  christos static int
   1418   1.1  christos elfNN_ia64_local_dyn_info_free (void **slot,
   1419   1.8  christos 				void * unused ATTRIBUTE_UNUSED)
   1420   1.8  christos {
   1421   1.8  christos   struct elfNN_ia64_local_hash_entry *entry
   1422   1.8  christos     = (struct elfNN_ia64_local_hash_entry *) *slot;
   1423   1.8  christos 
   1424   1.1  christos   free (entry->info);
   1425   1.8  christos   entry->info = NULL;
   1426   1.1  christos   entry->count = 0;
   1427   1.1  christos   entry->sorted_count = 0;
   1428   1.1  christos   entry->size = 0;
   1429   1.1  christos 
   1430   1.1  christos   return true;
   1431   1.3  christos }
   1432   1.1  christos 
   1433   1.1  christos /* Destroy IA-64 linker hash table.  */
   1434   1.3  christos 
   1435   1.1  christos static void
   1436   1.1  christos elfNN_ia64_link_hash_table_free (bfd *obfd)
   1437   1.1  christos {
   1438   1.1  christos   struct elfNN_ia64_link_hash_table *ia64_info
   1439   1.1  christos     = (struct elfNN_ia64_link_hash_table *) obfd->link.hash;
   1440   1.1  christos   if (ia64_info->loc_hash_table)
   1441   1.1  christos     {
   1442   1.1  christos       htab_traverse (ia64_info->loc_hash_table,
   1443   1.1  christos 		     elfNN_ia64_local_dyn_info_free, NULL);
   1444   1.1  christos       htab_delete (ia64_info->loc_hash_table);
   1445   1.3  christos     }
   1446   1.3  christos   if (ia64_info->loc_hash_memory)
   1447   1.3  christos     objalloc_free ((struct objalloc *) ia64_info->loc_hash_memory);
   1448   1.3  christos   elf_link_hash_traverse (&ia64_info->root,
   1449   1.3  christos 			  elfNN_ia64_global_dyn_info_free, NULL);
   1450   1.3  christos   _bfd_elf_link_hash_table_free (obfd);
   1451   1.3  christos }
   1452   1.3  christos 
   1453   1.3  christos /* Create the derived linker hash table.  The IA-64 ELF port uses this
   1454   1.3  christos    derived hash table to keep information specific to the IA-64 ElF
   1455   1.3  christos    linker (without using static variables).  */
   1456   1.3  christos 
   1457   1.3  christos static struct bfd_link_hash_table *
   1458   1.3  christos elfNN_ia64_hash_table_create (bfd *abfd)
   1459   1.3  christos {
   1460   1.3  christos   struct elfNN_ia64_link_hash_table *ret;
   1461   1.3  christos 
   1462   1.3  christos   ret = bfd_zmalloc ((bfd_size_type) sizeof (*ret));
   1463  1.10  christos   if (!ret)
   1464   1.3  christos     return NULL;
   1465   1.3  christos 
   1466   1.3  christos   if (!_bfd_elf_link_hash_table_init (&ret->root, abfd,
   1467   1.3  christos 				      elfNN_ia64_new_elf_hash_entry,
   1468   1.3  christos 				      sizeof (struct elfNN_ia64_link_hash_entry)))
   1469   1.3  christos     {
   1470   1.3  christos       free (ret);
   1471   1.3  christos       return NULL;
   1472   1.3  christos     }
   1473   1.3  christos 
   1474   1.3  christos   ret->loc_hash_table = htab_try_create (1024, elfNN_ia64_local_htab_hash,
   1475   1.3  christos 					 elfNN_ia64_local_htab_eq, NULL);
   1476   1.3  christos   ret->loc_hash_memory = objalloc_create ();
   1477   1.3  christos   if (!ret->loc_hash_table || !ret->loc_hash_memory)
   1478   1.8  christos     {
   1479   1.3  christos       elfNN_ia64_link_hash_table_free (abfd);
   1480   1.3  christos       return NULL;
   1481   1.1  christos     }
   1482   1.1  christos   ret->root.root.hash_table_free = elfNN_ia64_link_hash_table_free;
   1483   1.1  christos   ret->root.dt_pltgot_required = true;
   1484   1.1  christos 
   1485   1.1  christos   return &ret->root.root;
   1486   1.1  christos }
   1487   1.8  christos 
   1488   1.1  christos /* Traverse both local and global hash tables.  */
   1489   1.1  christos 
   1490   1.1  christos struct elfNN_ia64_dyn_sym_traverse_data
   1491   1.8  christos {
   1492   1.8  christos   bool (*func) (struct elfNN_ia64_dyn_sym_info *, void *);
   1493   1.1  christos   void * data;
   1494   1.1  christos };
   1495   1.1  christos 
   1496   1.1  christos static bool
   1497   1.1  christos elfNN_ia64_global_dyn_sym_thunk (struct elf_link_hash_entry *xentry,
   1498   1.1  christos 				 void * xdata)
   1499   1.1  christos {
   1500   1.1  christos   struct elfNN_ia64_link_hash_entry *entry
   1501   1.1  christos     = (struct elfNN_ia64_link_hash_entry *) xentry;
   1502   1.1  christos   struct elfNN_ia64_dyn_sym_traverse_data *data
   1503   1.1  christos     = (struct elfNN_ia64_dyn_sym_traverse_data *) xdata;
   1504   1.1  christos   struct elfNN_ia64_dyn_sym_info *dyn_i;
   1505   1.1  christos   unsigned int count;
   1506   1.8  christos 
   1507   1.8  christos   for (count = entry->count, dyn_i = entry->info;
   1508   1.1  christos        count != 0;
   1509   1.1  christos        count--, dyn_i++)
   1510   1.8  christos     if (! (*data->func) (dyn_i, data->data))
   1511   1.1  christos       return false;
   1512   1.1  christos   return true;
   1513   1.1  christos }
   1514   1.1  christos 
   1515   1.1  christos static int
   1516   1.1  christos elfNN_ia64_local_dyn_sym_thunk (void **slot, void * xdata)
   1517   1.1  christos {
   1518   1.1  christos   struct elfNN_ia64_local_hash_entry *entry
   1519   1.1  christos     = (struct elfNN_ia64_local_hash_entry *) *slot;
   1520   1.1  christos   struct elfNN_ia64_dyn_sym_traverse_data *data
   1521   1.1  christos     = (struct elfNN_ia64_dyn_sym_traverse_data *) xdata;
   1522   1.1  christos   struct elfNN_ia64_dyn_sym_info *dyn_i;
   1523   1.1  christos   unsigned int count;
   1524   1.8  christos 
   1525   1.8  christos   for (count = entry->count, dyn_i = entry->info;
   1526   1.1  christos        count != 0;
   1527   1.1  christos        count--, dyn_i++)
   1528   1.1  christos     if (! (*data->func) (dyn_i, data->data))
   1529   1.1  christos       return false;
   1530   1.8  christos   return true;
   1531   1.8  christos }
   1532   1.1  christos 
   1533   1.1  christos static void
   1534   1.1  christos elfNN_ia64_dyn_sym_traverse (struct elfNN_ia64_link_hash_table *ia64_info,
   1535   1.1  christos 			     bool (*func) (struct elfNN_ia64_dyn_sym_info *,
   1536   1.1  christos 					   void *),
   1537   1.1  christos 			     void * data)
   1538   1.1  christos {
   1539   1.1  christos   struct elfNN_ia64_dyn_sym_traverse_data xdata;
   1540   1.1  christos 
   1541   1.1  christos   xdata.func = func;
   1542   1.1  christos   xdata.data = data;
   1543   1.1  christos 
   1544   1.1  christos   elf_link_hash_traverse (&ia64_info->root,
   1545   1.8  christos 			  elfNN_ia64_global_dyn_sym_thunk, &xdata);
   1546   1.1  christos   htab_traverse (ia64_info->loc_hash_table,
   1547   1.1  christos 		 elfNN_ia64_local_dyn_sym_thunk, &xdata);
   1548   1.1  christos }
   1549   1.1  christos 
   1550   1.1  christos static bool
   1552   1.1  christos elfNN_ia64_create_dynamic_sections (bfd *abfd,
   1553   1.8  christos 				    struct bfd_link_info *info)
   1554   1.1  christos {
   1555   1.1  christos   struct elfNN_ia64_link_hash_table *ia64_info;
   1556   1.1  christos   asection *s;
   1557   1.8  christos 
   1558   1.1  christos   if (! _bfd_elf_create_dynamic_sections (abfd, info))
   1559   1.1  christos     return false;
   1560   1.7  christos 
   1561   1.7  christos   ia64_info = elfNN_ia64_hash_table (info);
   1562   1.1  christos   if (ia64_info == NULL)
   1563   1.7  christos     return false;
   1564   1.8  christos 
   1565   1.1  christos   {
   1566   1.1  christos     flagword flags = bfd_section_flags (ia64_info->root.sgot);
   1567   1.1  christos     bfd_set_section_flags (ia64_info->root.sgot, SEC_SMALL_DATA | flags);
   1568   1.8  christos     /* The .got section is always aligned at 8 bytes.  */
   1569   1.1  christos     if (!bfd_set_section_alignment (ia64_info->root.sgot, 3))
   1570   1.1  christos       return false;
   1571   1.1  christos   }
   1572   1.1  christos 
   1573   1.1  christos   if (!get_pltoff (abfd, info, ia64_info))
   1574   1.1  christos     return false;
   1575   1.1  christos 
   1576   1.1  christos   s = bfd_make_section_anyway_with_flags (abfd, ".rela.IA_64.pltoff",
   1577   1.7  christos 					  (SEC_ALLOC | SEC_LOAD
   1578   1.8  christos 					   | SEC_HAS_CONTENTS
   1579   1.1  christos 					   | SEC_IN_MEMORY
   1580   1.1  christos 					   | SEC_LINKER_CREATED
   1581   1.8  christos 					   | SEC_READONLY));
   1582   1.1  christos   if (s == NULL
   1583   1.1  christos       || !bfd_set_section_alignment (s, LOG_SECTION_ALIGN))
   1584   1.1  christos     return false;
   1585   1.1  christos   ia64_info->rel_pltoff_sec = s;
   1586   1.1  christos 
   1587   1.1  christos   return true;
   1588   1.8  christos }
   1589   1.1  christos 
   1590   1.1  christos /* Find and/or create a hash entry for local symbol.  */
   1591   1.1  christos static struct elfNN_ia64_local_hash_entry *
   1592   1.1  christos get_local_sym_hash (struct elfNN_ia64_link_hash_table *ia64_info,
   1593   1.1  christos 		    bfd *abfd, const Elf_Internal_Rela *rel,
   1594   1.1  christos 		    bool create)
   1595   1.1  christos {
   1596   1.1  christos   struct elfNN_ia64_local_hash_entry e, *ret;
   1597   1.1  christos   asection *sec = abfd->sections;
   1598   1.1  christos   hashval_t h = ELF_LOCAL_SYMBOL_HASH (sec->id,
   1599   1.1  christos 				       ELFNN_R_SYM (rel->r_info));
   1600   1.1  christos   void **slot;
   1601   1.1  christos 
   1602   1.1  christos   e.id = sec->id;
   1603   1.1  christos   e.r_sym = ELFNN_R_SYM (rel->r_info);
   1604   1.1  christos   slot = htab_find_slot_with_hash (ia64_info->loc_hash_table, &e, h,
   1605   1.1  christos 				   create ? INSERT : NO_INSERT);
   1606   1.1  christos 
   1607   1.1  christos   if (!slot)
   1608   1.1  christos     return NULL;
   1609   1.1  christos 
   1610   1.1  christos   if (*slot)
   1611   1.1  christos     return (struct elfNN_ia64_local_hash_entry *) *slot;
   1612   1.1  christos 
   1613   1.1  christos   ret = (struct elfNN_ia64_local_hash_entry *)
   1614   1.1  christos 	objalloc_alloc ((struct objalloc *) ia64_info->loc_hash_memory,
   1615   1.1  christos 			sizeof (struct elfNN_ia64_local_hash_entry));
   1616   1.1  christos   if (ret)
   1617   1.1  christos     {
   1618   1.1  christos       memset (ret, 0, sizeof (*ret));
   1619   1.1  christos       ret->id = sec->id;
   1620   1.1  christos       ret->r_sym = ELFNN_R_SYM (rel->r_info);
   1621   1.1  christos       *slot = ret;
   1622   1.1  christos     }
   1623   1.1  christos   return ret;
   1624   1.1  christos }
   1625   1.1  christos 
   1626   1.1  christos /* Used to sort elfNN_ia64_dyn_sym_info array.  */
   1627   1.1  christos 
   1628   1.1  christos static int
   1629   1.1  christos addend_compare (const void *xp, const void *yp)
   1630   1.1  christos {
   1631   1.1  christos   const struct elfNN_ia64_dyn_sym_info *x
   1632   1.1  christos     = (const struct elfNN_ia64_dyn_sym_info *) xp;
   1633   1.1  christos   const struct elfNN_ia64_dyn_sym_info *y
   1634   1.1  christos     = (const struct elfNN_ia64_dyn_sym_info *) yp;
   1635   1.1  christos 
   1636   1.1  christos   return x->addend < y->addend ? -1 : x->addend > y->addend ? 1 : 0;
   1637   1.1  christos }
   1638   1.1  christos 
   1639   1.1  christos /* Sort elfNN_ia64_dyn_sym_info array and remove duplicates.  */
   1640   1.1  christos 
   1641   1.1  christos static unsigned int
   1642   1.1  christos sort_dyn_sym_info (struct elfNN_ia64_dyn_sym_info *info,
   1643   1.1  christos 		   unsigned int count)
   1644   1.1  christos {
   1645   1.1  christos   bfd_vma curr, prev, got_offset;
   1646   1.1  christos   unsigned int i, kept, dupes, diff, dest, src, len;
   1647   1.1  christos 
   1648   1.1  christos   qsort (info, count, sizeof (*info), addend_compare);
   1649   1.1  christos 
   1650   1.1  christos   /* Find the first duplicate.  */
   1651   1.1  christos   prev = info [0].addend;
   1652   1.1  christos   got_offset = info [0].got_offset;
   1653   1.1  christos   for (i = 1; i < count; i++)
   1654   1.1  christos     {
   1655   1.1  christos       curr = info [i].addend;
   1656   1.1  christos       if (curr == prev)
   1657   1.1  christos 	{
   1658   1.1  christos 	  /* For duplicates, make sure that GOT_OFFSET is valid.  */
   1659   1.1  christos 	  if (got_offset == (bfd_vma) -1)
   1660   1.1  christos 	    got_offset = info [i].got_offset;
   1661   1.1  christos 	  break;
   1662   1.1  christos 	}
   1663   1.1  christos       got_offset = info [i].got_offset;
   1664   1.1  christos       prev = curr;
   1665   1.1  christos     }
   1666   1.1  christos 
   1667   1.1  christos   /* We may move a block of elements to here.  */
   1668   1.1  christos   dest = i++;
   1669   1.1  christos 
   1670   1.1  christos   /* Remove duplicates.  */
   1671   1.1  christos   if (i < count)
   1672   1.1  christos     {
   1673   1.1  christos       while (i < count)
   1674   1.1  christos 	{
   1675   1.1  christos 	  /* For duplicates, make sure that the kept one has a valid
   1676   1.1  christos 	     got_offset.  */
   1677   1.1  christos 	  kept = dest - 1;
   1678   1.1  christos 	  if (got_offset != (bfd_vma) -1)
   1679   1.1  christos 	    info [kept].got_offset = got_offset;
   1680   1.1  christos 
   1681   1.1  christos 	  curr = info [i].addend;
   1682   1.1  christos 	  got_offset = info [i].got_offset;
   1683   1.1  christos 
   1684   1.1  christos 	  /* Move a block of elements whose first one is different from
   1685   1.1  christos 	     the previous.  */
   1686   1.1  christos 	  if (curr == prev)
   1687   1.1  christos 	    {
   1688   1.1  christos 	      for (src = i + 1; src < count; src++)
   1689   1.1  christos 		{
   1690   1.1  christos 		  if (info [src].addend != curr)
   1691   1.1  christos 		    break;
   1692   1.1  christos 		  /* For duplicates, make sure that GOT_OFFSET is
   1693   1.1  christos 		     valid.  */
   1694   1.1  christos 		  if (got_offset == (bfd_vma) -1)
   1695   1.1  christos 		    got_offset = info [src].got_offset;
   1696   1.1  christos 		}
   1697   1.1  christos 
   1698   1.1  christos 	      /* Make sure that the kept one has a valid got_offset.  */
   1699   1.1  christos 	      if (got_offset != (bfd_vma) -1)
   1700   1.1  christos 		info [kept].got_offset = got_offset;
   1701   1.1  christos 	    }
   1702   1.1  christos 	  else
   1703   1.1  christos 	    src = i;
   1704   1.1  christos 
   1705   1.1  christos 	  if (src >= count)
   1706   1.1  christos 	    break;
   1707   1.1  christos 
   1708   1.1  christos 	  /* Find the next duplicate.  SRC will be kept.  */
   1709   1.1  christos 	  prev = info [src].addend;
   1710   1.1  christos 	  got_offset = info [src].got_offset;
   1711   1.1  christos 	  for (dupes = src + 1; dupes < count; dupes ++)
   1712   1.1  christos 	    {
   1713   1.1  christos 	      curr = info [dupes].addend;
   1714   1.1  christos 	      if (curr == prev)
   1715   1.1  christos 		{
   1716   1.1  christos 		  /* Make sure that got_offset is valid.  */
   1717   1.1  christos 		  if (got_offset == (bfd_vma) -1)
   1718   1.1  christos 		    got_offset = info [dupes].got_offset;
   1719   1.1  christos 
   1720   1.1  christos 		  /* For duplicates, make sure that the kept one has
   1721   1.1  christos 		     a valid got_offset.  */
   1722   1.1  christos 		  if (got_offset != (bfd_vma) -1)
   1723   1.1  christos 		    info [dupes - 1].got_offset = got_offset;
   1724   1.1  christos 		  break;
   1725   1.1  christos 		}
   1726   1.1  christos 	      got_offset = info [dupes].got_offset;
   1727   1.1  christos 	      prev = curr;
   1728   1.1  christos 	    }
   1729   1.1  christos 
   1730   1.1  christos 	  /* How much to move.  */
   1731   1.1  christos 	  len = dupes - src;
   1732   1.1  christos 	  i = dupes + 1;
   1733   1.1  christos 
   1734   1.1  christos 	  if (len == 1 && dupes < count)
   1735   1.1  christos 	    {
   1736   1.1  christos 	      /* If we only move 1 element, we combine it with the next
   1737   1.1  christos 		 one.  There must be at least a duplicate.  Find the
   1738   1.1  christos 		 next different one.  */
   1739   1.1  christos 	      for (diff = dupes + 1, src++; diff < count; diff++, src++)
   1740   1.1  christos 		{
   1741   1.1  christos 		  if (info [diff].addend != curr)
   1742   1.1  christos 		    break;
   1743   1.1  christos 		  /* Make sure that got_offset is valid.  */
   1744   1.1  christos 		  if (got_offset == (bfd_vma) -1)
   1745   1.1  christos 		    got_offset = info [diff].got_offset;
   1746   1.1  christos 		}
   1747   1.1  christos 
   1748   1.1  christos 	      /* Makre sure that the last duplicated one has an valid
   1749   1.1  christos 		 offset.  */
   1750   1.1  christos 	      BFD_ASSERT (curr == prev);
   1751   1.1  christos 	      if (got_offset != (bfd_vma) -1)
   1752   1.1  christos 		info [diff - 1].got_offset = got_offset;
   1753   1.1  christos 
   1754   1.1  christos 	      if (diff < count)
   1755   1.1  christos 		{
   1756   1.1  christos 		  /* Find the next duplicate.  Track the current valid
   1757   1.1  christos 		     offset.  */
   1758   1.1  christos 		  prev = info [diff].addend;
   1759   1.1  christos 		  got_offset = info [diff].got_offset;
   1760   1.1  christos 		  for (dupes = diff + 1; dupes < count; dupes ++)
   1761   1.1  christos 		    {
   1762   1.1  christos 		      curr = info [dupes].addend;
   1763   1.1  christos 		      if (curr == prev)
   1764   1.1  christos 			{
   1765   1.1  christos 			  /* For duplicates, make sure that GOT_OFFSET
   1766   1.1  christos 			     is valid.  */
   1767   1.1  christos 			  if (got_offset == (bfd_vma) -1)
   1768   1.1  christos 			    got_offset = info [dupes].got_offset;
   1769   1.1  christos 			  break;
   1770   1.1  christos 			}
   1771   1.1  christos 		      got_offset = info [dupes].got_offset;
   1772   1.1  christos 		      prev = curr;
   1773   1.1  christos 		      diff++;
   1774   1.1  christos 		    }
   1775   1.1  christos 
   1776   1.1  christos 		  len = diff - src + 1;
   1777   1.1  christos 		  i = diff + 1;
   1778   1.1  christos 		}
   1779   1.1  christos 	    }
   1780   1.1  christos 
   1781   1.1  christos 	  memmove (&info [dest], &info [src], len * sizeof (*info));
   1782   1.1  christos 
   1783   1.1  christos 	  dest += len;
   1784   1.1  christos 	}
   1785   1.1  christos 
   1786   1.1  christos       count = dest;
   1787   1.1  christos     }
   1788   1.1  christos   else
   1789   1.1  christos     {
   1790   1.1  christos       /* When we get here, either there is no duplicate at all or
   1791   1.1  christos 	 the only duplicate is the last element.  */
   1792   1.1  christos       if (dest < count)
   1793   1.1  christos 	{
   1794   1.1  christos 	  /* If the last element is a duplicate, make sure that the
   1795   1.1  christos 	     kept one has a valid got_offset.  We also update count.  */
   1796   1.1  christos 	  if (got_offset != (bfd_vma) -1)
   1797   1.1  christos 	    info [dest - 1].got_offset = got_offset;
   1798   1.1  christos 	  count = dest;
   1799   1.1  christos 	}
   1800   1.1  christos     }
   1801   1.1  christos 
   1802   1.1  christos   return count;
   1803   1.1  christos }
   1804   1.1  christos 
   1805   1.1  christos /* Find and/or create a descriptor for dynamic symbol info.  This will
   1806   1.1  christos    vary based on global or local symbol, and the addend to the reloc.
   1807   1.1  christos 
   1808   1.1  christos    We don't sort when inserting.  Also, we sort and eliminate
   1809   1.1  christos    duplicates if there is an unsorted section.  Typically, this will
   1810   1.1  christos    only happen once, because we do all insertions before lookups.  We
   1811   1.1  christos    then use bsearch to do a lookup.  This also allows lookups to be
   1812   1.1  christos    fast.  So we have fast insertion (O(log N) due to duplicate check),
   1813   1.1  christos    fast lookup (O(log N)) and one sort (O(N log N) expected time).
   1814   1.1  christos    Previously, all lookups were O(N) because of the use of the linked
   1815   1.1  christos    list and also all insertions were O(N) because of the check for
   1816   1.1  christos    duplicates.  There are some complications here because the array
   1817   1.1  christos    size grows occasionally, which may add an O(N) factor, but this
   1818   1.8  christos    should be rare.  Also,  we free the excess array allocation, which
   1819   1.1  christos    requires a copy which is O(N), but this only happens once.  */
   1820   1.1  christos 
   1821   1.1  christos static struct elfNN_ia64_dyn_sym_info *
   1822   1.1  christos get_dyn_sym_info (struct elfNN_ia64_link_hash_table *ia64_info,
   1823   1.1  christos 		  struct elf_link_hash_entry *h, bfd *abfd,
   1824   1.1  christos 		  const Elf_Internal_Rela *rel, bool create)
   1825   1.1  christos {
   1826   1.1  christos   struct elfNN_ia64_dyn_sym_info **info_p, *info, *dyn_i, key;
   1827   1.1  christos   unsigned int *count_p, *sorted_count_p, *size_p;
   1828   1.1  christos   unsigned int count, sorted_count, size;
   1829   1.1  christos   bfd_vma addend = rel ? rel->r_addend : 0;
   1830   1.1  christos   bfd_size_type amt;
   1831   1.1  christos 
   1832   1.1  christos   if (h)
   1833   1.1  christos     {
   1834   1.1  christos       struct elfNN_ia64_link_hash_entry *global_h;
   1835   1.1  christos 
   1836   1.1  christos       global_h = (struct elfNN_ia64_link_hash_entry *) h;
   1837   1.1  christos       info_p = &global_h->info;
   1838   1.1  christos       count_p = &global_h->count;
   1839   1.1  christos       sorted_count_p = &global_h->sorted_count;
   1840   1.1  christos       size_p = &global_h->size;
   1841   1.1  christos     }
   1842   1.1  christos   else
   1843   1.1  christos     {
   1844   1.1  christos       struct elfNN_ia64_local_hash_entry *loc_h;
   1845   1.1  christos 
   1846   1.1  christos       loc_h = get_local_sym_hash (ia64_info, abfd, rel, create);
   1847   1.1  christos       if (!loc_h)
   1848   1.1  christos 	{
   1849   1.1  christos 	  BFD_ASSERT (!create);
   1850   1.1  christos 	  return NULL;
   1851   1.1  christos 	}
   1852   1.1  christos 
   1853   1.1  christos       info_p = &loc_h->info;
   1854   1.1  christos       count_p = &loc_h->count;
   1855   1.1  christos       sorted_count_p = &loc_h->sorted_count;
   1856   1.1  christos       size_p = &loc_h->size;
   1857   1.1  christos     }
   1858   1.1  christos 
   1859   1.1  christos   count = *count_p;
   1860   1.6  christos   sorted_count = *sorted_count_p;
   1861   1.1  christos   size = *size_p;
   1862   1.1  christos   info = *info_p;
   1863   1.1  christos   if (create)
   1864   1.1  christos     {
   1865   1.1  christos       /* When we create the array, we don't check for duplicates,
   1866   1.1  christos 	 except in the previously sorted section if one exists, and
   1867   1.1  christos 	 against the last inserted entry.  This allows insertions to
   1868   1.1  christos 	 be fast.  */
   1869   1.1  christos       if (info)
   1870   1.1  christos 	{
   1871   1.1  christos 	  if (sorted_count)
   1872   1.8  christos 	    {
   1873   1.1  christos 	      /* Try bsearch first on the sorted section.  */
   1874   1.1  christos 	      key.addend = addend;
   1875   1.8  christos 	      dyn_i = bsearch (&key, info, sorted_count,
   1876   1.1  christos 			       sizeof (*info), addend_compare);
   1877   1.8  christos 	      if (dyn_i)
   1878   1.8  christos 		return dyn_i;
   1879   1.8  christos 	    }
   1880   1.8  christos 
   1881   1.1  christos 	  if (count != 0)
   1882   1.1  christos 	    {
   1883   1.1  christos 	      /* Do a quick check for the last inserted entry.  */
   1884   1.1  christos 	      dyn_i = info + count - 1;
   1885   1.1  christos 	      if (dyn_i->addend == addend)
   1886   1.1  christos 		return dyn_i;
   1887   1.1  christos 	    }
   1888   1.1  christos 	}
   1889   1.1  christos 
   1890   1.1  christos       if (size == 0)
   1891   1.1  christos 	{
   1892   1.1  christos 	  /* It is the very first element. We create the array of size
   1893   1.1  christos 	     1.  */
   1894   1.1  christos 	  size = 1;
   1895   1.1  christos 	  amt = size * sizeof (*info);
   1896   1.1  christos 	  info = bfd_malloc (amt);
   1897   1.1  christos 	}
   1898   1.1  christos       else if (size <= count)
   1899   1.1  christos 	{
   1900   1.1  christos 	  /* We double the array size every time when we reach the
   1901   1.1  christos 	     size limit.  */
   1902   1.1  christos 	  size += size;
   1903   1.1  christos 	  amt = size * sizeof (*info);
   1904   1.1  christos 	  info = bfd_realloc (info, amt);
   1905   1.1  christos 	}
   1906   1.1  christos       else
   1907   1.1  christos 	goto has_space;
   1908   1.8  christos 
   1909   1.1  christos       if (info == NULL)
   1910   1.1  christos 	return NULL;
   1911   1.1  christos       *size_p = size;
   1912   1.1  christos       *info_p = info;
   1913   1.1  christos 
   1914   1.1  christos     has_space:
   1915   1.1  christos       /* Append the new one to the array.  */
   1916   1.1  christos       dyn_i = info + count;
   1917   1.1  christos       memset (dyn_i, 0, sizeof (*dyn_i));
   1918   1.1  christos       dyn_i->got_offset = (bfd_vma) -1;
   1919   1.1  christos       dyn_i->addend = addend;
   1920   1.1  christos 
   1921   1.1  christos       /* We increment count only since the new ones are unsorted and
   1922   1.1  christos 	 may have duplicate.  */
   1923   1.1  christos       (*count_p)++;
   1924   1.1  christos     }
   1925   1.1  christos   else
   1926   1.1  christos     {
   1927   1.1  christos       /* It is a lookup without insertion.  Sort array if part of the
   1928   1.1  christos 	 array isn't sorted.  */
   1929   1.1  christos       if (count != sorted_count)
   1930   1.1  christos 	{
   1931   1.1  christos 	  count = sort_dyn_sym_info (info, count);
   1932   1.1  christos 	  *count_p = count;
   1933   1.1  christos 	  *sorted_count_p = count;
   1934   1.8  christos 	}
   1935   1.8  christos 
   1936   1.8  christos       /* Free unused memory.  */
   1937   1.8  christos       if (size != count)
   1938   1.8  christos 	{
   1939   1.8  christos 	  amt = count * sizeof (*info);
   1940   1.8  christos 	  info = bfd_realloc (info, amt);
   1941   1.8  christos 	  *size_p = count;
   1942   1.1  christos 	  if (info == NULL && count != 0)
   1943   1.1  christos 	    /* realloc should never fail since we are reducing size here,
   1944   1.8  christos 	       but if it does use the old array.  */
   1945   1.8  christos 	    info = *info_p;
   1946   1.8  christos 	  else
   1947   1.8  christos 	    *info_p = info;
   1948   1.8  christos 	}
   1949   1.8  christos 
   1950   1.8  christos       if (count == 0)
   1951   1.1  christos 	dyn_i = NULL;
   1952   1.1  christos       else
   1953   1.1  christos 	{
   1954   1.1  christos 	  key.addend = addend;
   1955   1.1  christos 	  dyn_i = bsearch (&key, info, count, sizeof (*info), addend_compare);
   1956   1.1  christos 	}
   1957   1.1  christos     }
   1958   1.1  christos 
   1959   1.1  christos   return dyn_i;
   1960   1.1  christos }
   1961   1.1  christos 
   1962   1.1  christos static asection *
   1963   1.1  christos get_got (bfd *abfd, struct bfd_link_info *info,
   1964   1.1  christos 	 struct elfNN_ia64_link_hash_table *ia64_info)
   1965   1.1  christos {
   1966   1.1  christos   asection *got;
   1967   1.1  christos   bfd *dynobj;
   1968   1.1  christos 
   1969   1.1  christos   got = ia64_info->root.sgot;
   1970   1.1  christos   if (!got)
   1971   1.1  christos     {
   1972   1.3  christos       flagword flags;
   1973   1.1  christos 
   1974   1.1  christos       dynobj = ia64_info->root.dynobj;
   1975   1.1  christos       if (!dynobj)
   1976   1.1  christos 	ia64_info->root.dynobj = dynobj = abfd;
   1977   1.7  christos       if (!_bfd_elf_create_got_section (dynobj, info))
   1978   1.3  christos 	return NULL;
   1979   1.1  christos 
   1980   1.7  christos       got = ia64_info->root.sgot;
   1981   1.7  christos 
   1982   1.3  christos       /* The .got section is always aligned at 8 bytes.  */
   1983   1.1  christos       if (!bfd_set_section_alignment (got, 3))
   1984   1.1  christos 	return NULL;
   1985   1.1  christos 
   1986   1.1  christos       flags = bfd_section_flags (got);
   1987   1.1  christos       if (!bfd_set_section_flags (got, SEC_SMALL_DATA | flags))
   1988   1.1  christos 	return NULL;
   1989   1.1  christos     }
   1990   1.1  christos 
   1991   1.1  christos   return got;
   1992   1.1  christos }
   1993   1.1  christos 
   1994   1.1  christos /* Create function descriptor section (.opd).  This section is called .opd
   1995   1.1  christos    because it contains "official procedure descriptors".  The "official"
   1996   1.1  christos    refers to the fact that these descriptors are used when taking the address
   1997   1.1  christos    of a procedure, thus ensuring a unique address for each procedure.  */
   1998   1.1  christos 
   1999   1.1  christos static asection *
   2000   1.1  christos get_fptr (bfd *abfd, struct bfd_link_info *info,
   2001   1.1  christos 	  struct elfNN_ia64_link_hash_table *ia64_info)
   2002   1.1  christos {
   2003   1.1  christos   asection *fptr;
   2004   1.1  christos   bfd *dynobj;
   2005   1.1  christos 
   2006   1.1  christos   fptr = ia64_info->fptr_sec;
   2007   1.1  christos   if (!fptr)
   2008   1.1  christos     {
   2009   1.1  christos       dynobj = ia64_info->root.dynobj;
   2010   1.1  christos       if (!dynobj)
   2011   1.1  christos 	ia64_info->root.dynobj = dynobj = abfd;
   2012   1.3  christos 
   2013   1.3  christos       fptr = bfd_make_section_anyway_with_flags (dynobj, ".opd",
   2014   1.1  christos 						 (SEC_ALLOC
   2015   1.1  christos 						  | SEC_LOAD
   2016   1.7  christos 						  | SEC_HAS_CONTENTS
   2017   1.1  christos 						  | SEC_IN_MEMORY
   2018   1.1  christos 						  | (bfd_link_pie (info)
   2019   1.1  christos 						     ? 0 : SEC_READONLY)
   2020   1.1  christos 						  | SEC_LINKER_CREATED));
   2021   1.1  christos       if (!fptr
   2022   1.1  christos 	  || !bfd_set_section_alignment (fptr, 4))
   2023   1.1  christos 	{
   2024   1.3  christos 	  BFD_ASSERT (0);
   2025   1.1  christos 	  return NULL;
   2026   1.1  christos 	}
   2027   1.1  christos 
   2028   1.1  christos       ia64_info->fptr_sec = fptr;
   2029   1.1  christos 
   2030   1.1  christos       if (bfd_link_pie (info))
   2031   1.1  christos 	{
   2032   1.1  christos 	  asection *fptr_rel;
   2033   1.1  christos 	  fptr_rel = bfd_make_section_anyway_with_flags (dynobj, ".rela.opd",
   2034   1.7  christos 							 (SEC_ALLOC | SEC_LOAD
   2035   1.1  christos 							  | SEC_HAS_CONTENTS
   2036   1.1  christos 							  | SEC_IN_MEMORY
   2037   1.1  christos 							  | SEC_LINKER_CREATED
   2038   1.1  christos 							  | SEC_READONLY));
   2039   1.1  christos 	  if (fptr_rel == NULL
   2040   1.1  christos 	      || !bfd_set_section_alignment (fptr_rel, LOG_SECTION_ALIGN))
   2041   1.1  christos 	    {
   2042   1.1  christos 	      BFD_ASSERT (0);
   2043   1.1  christos 	      return NULL;
   2044   1.1  christos 	    }
   2045   1.1  christos 
   2046   1.1  christos 	  ia64_info->rel_fptr_sec = fptr_rel;
   2047   1.1  christos 	}
   2048   1.1  christos     }
   2049   1.1  christos 
   2050   1.1  christos   return fptr;
   2051   1.1  christos }
   2052   1.1  christos 
   2053   1.1  christos static asection *
   2054   1.1  christos get_pltoff (bfd *abfd, struct bfd_link_info *info ATTRIBUTE_UNUSED,
   2055   1.1  christos 	    struct elfNN_ia64_link_hash_table *ia64_info)
   2056   1.1  christos {
   2057   1.1  christos   asection *pltoff;
   2058   1.1  christos   bfd *dynobj;
   2059   1.1  christos 
   2060   1.1  christos   pltoff = ia64_info->pltoff_sec;
   2061   1.1  christos   if (!pltoff)
   2062   1.1  christos     {
   2063   1.1  christos       dynobj = ia64_info->root.dynobj;
   2064   1.1  christos       if (!dynobj)
   2065   1.1  christos 	ia64_info->root.dynobj = dynobj = abfd;
   2066   1.1  christos 
   2067   1.1  christos       pltoff = bfd_make_section_anyway_with_flags (dynobj,
   2068   1.1  christos 						   ELF_STRING_ia64_pltoff,
   2069   1.1  christos 						   (SEC_ALLOC
   2070   1.7  christos 						    | SEC_LOAD
   2071   1.1  christos 						    | SEC_HAS_CONTENTS
   2072   1.1  christos 						    | SEC_IN_MEMORY
   2073   1.1  christos 						    | SEC_SMALL_DATA
   2074   1.1  christos 						    | SEC_LINKER_CREATED));
   2075   1.1  christos       if (!pltoff
   2076   1.1  christos 	  || !bfd_set_section_alignment (pltoff, 4))
   2077   1.1  christos 	{
   2078   1.1  christos 	  BFD_ASSERT (0);
   2079   1.1  christos 	  return NULL;
   2080   1.1  christos 	}
   2081   1.1  christos 
   2082   1.1  christos       ia64_info->pltoff_sec = pltoff;
   2083   1.1  christos     }
   2084   1.1  christos 
   2085   1.8  christos   return pltoff;
   2086   1.1  christos }
   2087   1.1  christos 
   2088   1.1  christos static asection *
   2089   1.1  christos get_reloc_section (bfd *abfd,
   2090   1.1  christos 		   struct elfNN_ia64_link_hash_table *ia64_info,
   2091   1.1  christos 		   asection *sec, bool create)
   2092   1.1  christos {
   2093   1.1  christos   const char *srel_name;
   2094   1.1  christos   asection *srel;
   2095   1.1  christos   bfd *dynobj;
   2096   1.1  christos 
   2097   1.1  christos   srel_name = (bfd_elf_string_from_elf_section
   2098   1.1  christos 	       (abfd, elf_elfheader(abfd)->e_shstrndx,
   2099   1.1  christos 		_bfd_elf_single_rel_hdr (sec)->sh_name));
   2100   1.1  christos   if (srel_name == NULL)
   2101   1.1  christos     return NULL;
   2102   1.1  christos 
   2103   1.1  christos   dynobj = ia64_info->root.dynobj;
   2104   1.1  christos   if (!dynobj)
   2105   1.1  christos     ia64_info->root.dynobj = dynobj = abfd;
   2106   1.1  christos 
   2107   1.1  christos   srel = bfd_get_linker_section (dynobj, srel_name);
   2108   1.1  christos   if (srel == NULL && create)
   2109   1.1  christos     {
   2110   1.1  christos       srel = bfd_make_section_anyway_with_flags (dynobj, srel_name,
   2111   1.7  christos 						 (SEC_ALLOC | SEC_LOAD
   2112   1.1  christos 						  | SEC_HAS_CONTENTS
   2113   1.1  christos 						  | SEC_IN_MEMORY
   2114   1.1  christos 						  | SEC_LINKER_CREATED
   2115   1.1  christos 						  | SEC_READONLY));
   2116   1.1  christos       if (srel == NULL
   2117   1.1  christos 	  || !bfd_set_section_alignment (srel, LOG_SECTION_ALIGN))
   2118   1.8  christos 	return NULL;
   2119   1.1  christos     }
   2120   1.8  christos 
   2121   1.1  christos   return srel;
   2122   1.1  christos }
   2123   1.1  christos 
   2124   1.1  christos static bool
   2125   1.1  christos count_dyn_reloc (bfd *abfd, struct elfNN_ia64_dyn_sym_info *dyn_i,
   2126   1.1  christos 		 asection *srel, int type, bool reltext)
   2127   1.1  christos {
   2128   1.1  christos   struct elfNN_ia64_dyn_reloc_entry *rent;
   2129   1.1  christos 
   2130   1.1  christos   for (rent = dyn_i->reloc_entries; rent; rent = rent->next)
   2131   1.1  christos     if (rent->srel == srel && rent->type == type)
   2132   1.1  christos       break;
   2133   1.8  christos 
   2134   1.1  christos   if (!rent)
   2135   1.1  christos     {
   2136   1.1  christos       rent = ((struct elfNN_ia64_dyn_reloc_entry *)
   2137   1.1  christos 	      bfd_alloc (abfd, (bfd_size_type) sizeof (*rent)));
   2138   1.1  christos       if (!rent)
   2139   1.1  christos 	return false;
   2140   1.1  christos 
   2141   1.1  christos       rent->next = dyn_i->reloc_entries;
   2142   1.1  christos       rent->srel = srel;
   2143   1.1  christos       rent->type = type;
   2144   1.8  christos       rent->count = 0;
   2145   1.1  christos       dyn_i->reloc_entries = rent;
   2146   1.1  christos     }
   2147   1.8  christos   rent->reltext = reltext;
   2148   1.1  christos   rent->count++;
   2149   1.1  christos 
   2150   1.1  christos   return true;
   2151   1.1  christos }
   2152   1.1  christos 
   2153   1.1  christos static bool
   2154   1.1  christos elfNN_ia64_check_relocs (bfd *abfd, struct bfd_link_info *info,
   2155   1.1  christos 			 asection *sec,
   2156   1.1  christos 			 const Elf_Internal_Rela *relocs)
   2157   1.1  christos {
   2158   1.1  christos   struct elfNN_ia64_link_hash_table *ia64_info;
   2159   1.1  christos   const Elf_Internal_Rela *relend;
   2160   1.1  christos   Elf_Internal_Shdr *symtab_hdr;
   2161   1.1  christos   const Elf_Internal_Rela *rel;
   2162   1.1  christos   asection *got, *fptr, *srel, *pltoff;
   2163   1.1  christos   enum {
   2164   1.1  christos     NEED_GOT = 1,
   2165   1.1  christos     NEED_GOTX = 2,
   2166   1.1  christos     NEED_FPTR = 4,
   2167   1.1  christos     NEED_PLTOFF = 8,
   2168   1.1  christos     NEED_MIN_PLT = 16,
   2169   1.1  christos     NEED_FULL_PLT = 32,
   2170   1.1  christos     NEED_DYNREL = 64,
   2171   1.1  christos     NEED_LTOFF_FPTR = 128,
   2172   1.1  christos     NEED_TPREL = 256,
   2173   1.8  christos     NEED_DTPMOD = 512,
   2174   1.1  christos     NEED_DTPREL = 1024
   2175   1.3  christos   };
   2176   1.8  christos   int need_entry;
   2177   1.1  christos   struct elf_link_hash_entry *h;
   2178   1.1  christos   unsigned long r_symndx;
   2179   1.1  christos   bool maybe_dynamic;
   2180   1.1  christos 
   2181   1.8  christos   if (bfd_link_relocatable (info))
   2182   1.1  christos     return true;
   2183   1.1  christos 
   2184   1.1  christos   symtab_hdr = &elf_tdata (abfd)->symtab_hdr;
   2185   1.1  christos   ia64_info = elfNN_ia64_hash_table (info);
   2186   1.1  christos   if (ia64_info == NULL)
   2187   1.1  christos     return false;
   2188   1.1  christos 
   2189   1.1  christos   got = fptr = srel = pltoff = NULL;
   2190   1.1  christos 
   2191   1.1  christos   relend = relocs + sec->reloc_count;
   2192   1.1  christos 
   2193   1.1  christos   /* We scan relocations first to create dynamic relocation arrays.  We
   2194   1.1  christos      modified get_dyn_sym_info to allow fast insertion and support fast
   2195   1.1  christos      lookup in the next loop.  */
   2196   1.1  christos   for (rel = relocs; rel < relend; ++rel)
   2197   1.1  christos     {
   2198   1.1  christos       r_symndx = ELFNN_R_SYM (rel->r_info);
   2199   1.1  christos       if (r_symndx >= symtab_hdr->sh_info)
   2200   1.1  christos 	{
   2201   1.1  christos 	  long indx = r_symndx - symtab_hdr->sh_info;
   2202   1.1  christos 	  h = elf_sym_hashes (abfd)[indx];
   2203   1.1  christos 	  while (h->root.type == bfd_link_hash_indirect
   2204   1.1  christos 		 || h->root.type == bfd_link_hash_warning)
   2205   1.1  christos 	    h = (struct elf_link_hash_entry *) h->root.u.i.link;
   2206   1.1  christos 	}
   2207   1.1  christos       else
   2208   1.3  christos 	h = NULL;
   2209   1.1  christos 
   2210   1.1  christos       /* We can only get preliminary data on whether a symbol is
   2211   1.1  christos 	 locally or externally defined, as not all of the input files
   2212   1.1  christos 	 have yet been processed.  Do something with what we know, as
   2213   1.1  christos 	 this may help reduce memory usage and processing time later.  */
   2214   1.1  christos       maybe_dynamic = (h && ((!bfd_link_executable (info)
   2215   1.1  christos 			      && (!SYMBOLIC_BIND (info, h)
   2216   1.1  christos 				  || info->unresolved_syms_in_shared_libs == RM_IGNORE))
   2217   1.1  christos 			     || !h->def_regular
   2218   1.1  christos 			     || h->root.type == bfd_link_hash_defweak));
   2219   1.3  christos 
   2220   1.1  christos       need_entry = 0;
   2221   1.1  christos       switch (ELFNN_R_TYPE (rel->r_info))
   2222   1.1  christos 	{
   2223   1.1  christos 	case R_IA64_TPREL64MSB:
   2224   1.1  christos 	case R_IA64_TPREL64LSB:
   2225   1.3  christos 	  if (bfd_link_pic (info) || maybe_dynamic)
   2226   1.1  christos 	    need_entry = NEED_DYNREL;
   2227   1.1  christos 	  break;
   2228   1.1  christos 
   2229   1.1  christos 	case R_IA64_LTOFF_TPREL22:
   2230   1.1  christos 	  need_entry = NEED_TPREL;
   2231   1.1  christos 	  if (bfd_link_pic (info))
   2232   1.1  christos 	    info->flags |= DF_STATIC_TLS;
   2233   1.3  christos 	  break;
   2234   1.1  christos 
   2235   1.1  christos 	case R_IA64_DTPREL32MSB:
   2236   1.1  christos 	case R_IA64_DTPREL32LSB:
   2237   1.1  christos 	case R_IA64_DTPREL64MSB:
   2238   1.1  christos 	case R_IA64_DTPREL64LSB:
   2239   1.1  christos 	  if (bfd_link_pic (info) || maybe_dynamic)
   2240   1.1  christos 	    need_entry = NEED_DYNREL;
   2241   1.1  christos 	  break;
   2242   1.1  christos 
   2243   1.3  christos 	case R_IA64_LTOFF_DTPREL22:
   2244   1.1  christos 	  need_entry = NEED_DTPREL;
   2245   1.1  christos 	  break;
   2246   1.1  christos 
   2247   1.1  christos 	case R_IA64_DTPMOD64MSB:
   2248   1.1  christos 	case R_IA64_DTPMOD64LSB:
   2249   1.1  christos 	  if (bfd_link_pic (info) || maybe_dynamic)
   2250   1.1  christos 	    need_entry = NEED_DYNREL;
   2251   1.1  christos 	  break;
   2252   1.1  christos 
   2253   1.1  christos 	case R_IA64_LTOFF_DTPMOD22:
   2254   1.1  christos 	  need_entry = NEED_DTPMOD;
   2255   1.1  christos 	  break;
   2256   1.1  christos 
   2257   1.1  christos 	case R_IA64_LTOFF_FPTR22:
   2258   1.1  christos 	case R_IA64_LTOFF_FPTR64I:
   2259   1.1  christos 	case R_IA64_LTOFF_FPTR32MSB:
   2260   1.1  christos 	case R_IA64_LTOFF_FPTR32LSB:
   2261   1.1  christos 	case R_IA64_LTOFF_FPTR64MSB:
   2262   1.1  christos 	case R_IA64_LTOFF_FPTR64LSB:
   2263   1.1  christos 	  need_entry = NEED_FPTR | NEED_GOT | NEED_LTOFF_FPTR;
   2264   1.1  christos 	  break;
   2265   1.3  christos 
   2266   1.1  christos 	case R_IA64_FPTR64I:
   2267   1.1  christos 	case R_IA64_FPTR32MSB:
   2268   1.1  christos 	case R_IA64_FPTR32LSB:
   2269   1.1  christos 	case R_IA64_FPTR64MSB:
   2270   1.1  christos 	case R_IA64_FPTR64LSB:
   2271   1.1  christos 	  if (bfd_link_pic (info) || h)
   2272   1.1  christos 	    need_entry = NEED_FPTR | NEED_DYNREL;
   2273   1.1  christos 	  else
   2274   1.1  christos 	    need_entry = NEED_FPTR;
   2275   1.1  christos 	  break;
   2276   1.1  christos 
   2277   1.1  christos 	case R_IA64_LTOFF22:
   2278   1.1  christos 	case R_IA64_LTOFF64I:
   2279   1.1  christos 	  need_entry = NEED_GOT;
   2280   1.1  christos 	  break;
   2281   1.1  christos 
   2282   1.1  christos 	case R_IA64_LTOFF22X:
   2283   1.1  christos 	  need_entry = NEED_GOTX;
   2284   1.1  christos 	  break;
   2285   1.1  christos 
   2286   1.1  christos 	case R_IA64_PLTOFF22:
   2287   1.1  christos 	case R_IA64_PLTOFF64I:
   2288   1.1  christos 	case R_IA64_PLTOFF64MSB:
   2289   1.1  christos 	case R_IA64_PLTOFF64LSB:
   2290   1.1  christos 	  need_entry = NEED_PLTOFF;
   2291   1.1  christos 	  if (h)
   2292   1.1  christos 	    {
   2293   1.1  christos 	      if (maybe_dynamic)
   2294   1.1  christos 		need_entry |= NEED_MIN_PLT;
   2295   1.1  christos 	    }
   2296   1.1  christos 	  else
   2297   1.1  christos 	    {
   2298   1.1  christos 	      (*info->callbacks->warning)
   2299   1.6  christos 		(info, _("@pltoff reloc against local symbol"), 0,
   2300   1.1  christos 		 abfd, 0, (bfd_vma) 0);
   2301   1.1  christos 	    }
   2302   1.1  christos 	  break;
   2303   1.1  christos 
   2304   1.1  christos 	case R_IA64_PCREL21B:
   2305   1.1  christos 	case R_IA64_PCREL60B:
   2306   1.1  christos 	  /* Depending on where this symbol is defined, we may or may not
   2307   1.1  christos 	     need a full plt entry.  Only skip if we know we'll not need
   2308   1.1  christos 	     the entry -- static or symbolic, and the symbol definition
   2309   1.1  christos 	     has already been seen.  */
   2310   1.1  christos 	  if (maybe_dynamic && rel->r_addend == 0)
   2311   1.1  christos 	    need_entry = NEED_FULL_PLT;
   2312   1.1  christos 	  break;
   2313   1.1  christos 
   2314   1.1  christos 	case R_IA64_IMM14:
   2315   1.1  christos 	case R_IA64_IMM22:
   2316   1.3  christos 	case R_IA64_IMM64:
   2317   1.1  christos 	case R_IA64_DIR32MSB:
   2318   1.1  christos 	case R_IA64_DIR32LSB:
   2319   1.1  christos 	case R_IA64_DIR64MSB:
   2320   1.1  christos 	case R_IA64_DIR64LSB:
   2321   1.1  christos 	  /* Shared objects will always need at least a REL relocation.  */
   2322   1.1  christos 	  if (bfd_link_pic (info) || maybe_dynamic)
   2323   1.3  christos 	    need_entry = NEED_DYNREL;
   2324   1.1  christos 	  break;
   2325   1.1  christos 
   2326   1.1  christos 	case R_IA64_IPLTMSB:
   2327   1.1  christos 	case R_IA64_IPLTLSB:
   2328   1.1  christos 	  /* Shared objects will always need at least a REL relocation.  */
   2329   1.1  christos 	  if (bfd_link_pic (info) || maybe_dynamic)
   2330   1.1  christos 	    need_entry = NEED_DYNREL;
   2331   1.1  christos 	  break;
   2332   1.1  christos 
   2333   1.1  christos 	case R_IA64_PCREL22:
   2334   1.1  christos 	case R_IA64_PCREL64I:
   2335   1.1  christos 	case R_IA64_PCREL32MSB:
   2336   1.1  christos 	case R_IA64_PCREL32LSB:
   2337   1.1  christos 	case R_IA64_PCREL64MSB:
   2338   1.1  christos 	case R_IA64_PCREL64LSB:
   2339   1.1  christos 	  if (maybe_dynamic)
   2340   1.1  christos 	    need_entry = NEED_DYNREL;
   2341   1.1  christos 	  break;
   2342   1.1  christos 	}
   2343   1.1  christos 
   2344   1.1  christos       if (!need_entry)
   2345   1.1  christos 	continue;
   2346   1.1  christos 
   2347   1.1  christos       if ((need_entry & NEED_FPTR) != 0
   2348   1.1  christos 	  && rel->r_addend)
   2349   1.8  christos 	{
   2350   1.8  christos 	  (*info->callbacks->warning)
   2351   1.1  christos 	    (info, _("non-zero addend in @fptr reloc"), 0,
   2352   1.1  christos 	     abfd, 0, (bfd_vma) 0);
   2353   1.1  christos 	}
   2354   1.1  christos 
   2355   1.1  christos       if (get_dyn_sym_info (ia64_info, h, abfd, rel, true) == NULL)
   2356   1.1  christos 	return false;
   2357   1.1  christos     }
   2358   1.1  christos 
   2359   1.1  christos   /* Now, we only do lookup without insertion, which is very fast
   2360   1.1  christos      with the modified get_dyn_sym_info.  */
   2361   1.1  christos   for (rel = relocs; rel < relend; ++rel)
   2362   1.1  christos     {
   2363   1.1  christos       struct elfNN_ia64_dyn_sym_info *dyn_i;
   2364   1.1  christos       int dynrel_type = R_IA64_NONE;
   2365   1.1  christos 
   2366   1.1  christos       r_symndx = ELFNN_R_SYM (rel->r_info);
   2367   1.1  christos       if (r_symndx >= symtab_hdr->sh_info)
   2368   1.1  christos 	{
   2369   1.1  christos 	  /* We're dealing with a global symbol -- find its hash entry
   2370   1.1  christos 	     and mark it as being referenced.  */
   2371   1.3  christos 	  long indx = r_symndx - symtab_hdr->sh_info;
   2372   1.3  christos 	  h = elf_sym_hashes (abfd)[indx];
   2373   1.1  christos 	  while (h->root.type == bfd_link_hash_indirect
   2374   1.1  christos 		 || h->root.type == bfd_link_hash_warning)
   2375   1.1  christos 	    h = (struct elf_link_hash_entry *) h->root.u.i.link;
   2376   1.1  christos 
   2377   1.1  christos 	  /* PR15323, ref flags aren't set for references in the same
   2378   1.1  christos 	     object.  */
   2379   1.1  christos 	  h->ref_regular = 1;
   2380   1.1  christos 	}
   2381   1.1  christos       else
   2382   1.3  christos 	h = NULL;
   2383   1.1  christos 
   2384   1.1  christos       /* We can only get preliminary data on whether a symbol is
   2385   1.1  christos 	 locally or externally defined, as not all of the input files
   2386   1.1  christos 	 have yet been processed.  Do something with what we know, as
   2387   1.1  christos 	 this may help reduce memory usage and processing time later.  */
   2388   1.1  christos       maybe_dynamic = (h && ((!bfd_link_executable (info)
   2389   1.1  christos 			      && (!SYMBOLIC_BIND (info, h)
   2390   1.1  christos 				  || info->unresolved_syms_in_shared_libs == RM_IGNORE))
   2391   1.1  christos 			     || !h->def_regular
   2392   1.1  christos 			     || h->root.type == bfd_link_hash_defweak));
   2393   1.3  christos 
   2394   1.1  christos       need_entry = 0;
   2395   1.1  christos       switch (ELFNN_R_TYPE (rel->r_info))
   2396   1.3  christos 	{
   2397   1.1  christos 	case R_IA64_TPREL64MSB:
   2398   1.1  christos 	case R_IA64_TPREL64LSB:
   2399   1.1  christos 	  if (bfd_link_pic (info) || maybe_dynamic)
   2400   1.1  christos 	    need_entry = NEED_DYNREL;
   2401   1.1  christos 	  dynrel_type = R_IA64_TPREL64LSB;
   2402   1.3  christos 	  if (bfd_link_pic (info))
   2403   1.1  christos 	    info->flags |= DF_STATIC_TLS;
   2404   1.1  christos 	  break;
   2405   1.1  christos 
   2406   1.1  christos 	case R_IA64_LTOFF_TPREL22:
   2407   1.1  christos 	  need_entry = NEED_TPREL;
   2408   1.1  christos 	  if (bfd_link_pic (info))
   2409   1.1  christos 	    info->flags |= DF_STATIC_TLS;
   2410   1.3  christos 	  break;
   2411   1.1  christos 
   2412   1.1  christos 	case R_IA64_DTPREL32MSB:
   2413   1.1  christos 	case R_IA64_DTPREL32LSB:
   2414   1.1  christos 	case R_IA64_DTPREL64MSB:
   2415   1.1  christos 	case R_IA64_DTPREL64LSB:
   2416   1.1  christos 	  if (bfd_link_pic (info) || maybe_dynamic)
   2417   1.1  christos 	    need_entry = NEED_DYNREL;
   2418   1.1  christos 	  dynrel_type = R_IA64_DTPRELNNLSB;
   2419   1.1  christos 	  break;
   2420   1.1  christos 
   2421   1.3  christos 	case R_IA64_LTOFF_DTPREL22:
   2422   1.1  christos 	  need_entry = NEED_DTPREL;
   2423   1.1  christos 	  break;
   2424   1.1  christos 
   2425   1.1  christos 	case R_IA64_DTPMOD64MSB:
   2426   1.1  christos 	case R_IA64_DTPMOD64LSB:
   2427   1.1  christos 	  if (bfd_link_pic (info) || maybe_dynamic)
   2428   1.1  christos 	    need_entry = NEED_DYNREL;
   2429   1.1  christos 	  dynrel_type = R_IA64_DTPMOD64LSB;
   2430   1.1  christos 	  break;
   2431   1.1  christos 
   2432   1.1  christos 	case R_IA64_LTOFF_DTPMOD22:
   2433   1.1  christos 	  need_entry = NEED_DTPMOD;
   2434   1.1  christos 	  break;
   2435   1.1  christos 
   2436   1.1  christos 	case R_IA64_LTOFF_FPTR22:
   2437   1.1  christos 	case R_IA64_LTOFF_FPTR64I:
   2438   1.1  christos 	case R_IA64_LTOFF_FPTR32MSB:
   2439   1.1  christos 	case R_IA64_LTOFF_FPTR32LSB:
   2440   1.1  christos 	case R_IA64_LTOFF_FPTR64MSB:
   2441   1.1  christos 	case R_IA64_LTOFF_FPTR64LSB:
   2442   1.1  christos 	  need_entry = NEED_FPTR | NEED_GOT | NEED_LTOFF_FPTR;
   2443   1.1  christos 	  break;
   2444   1.3  christos 
   2445   1.1  christos 	case R_IA64_FPTR64I:
   2446   1.1  christos 	case R_IA64_FPTR32MSB:
   2447   1.1  christos 	case R_IA64_FPTR32LSB:
   2448   1.1  christos 	case R_IA64_FPTR64MSB:
   2449   1.1  christos 	case R_IA64_FPTR64LSB:
   2450   1.1  christos 	  if (bfd_link_pic (info) || h)
   2451   1.1  christos 	    need_entry = NEED_FPTR | NEED_DYNREL;
   2452   1.1  christos 	  else
   2453   1.1  christos 	    need_entry = NEED_FPTR;
   2454   1.1  christos 	  dynrel_type = R_IA64_FPTRNNLSB;
   2455   1.1  christos 	  break;
   2456   1.1  christos 
   2457   1.1  christos 	case R_IA64_LTOFF22:
   2458   1.1  christos 	case R_IA64_LTOFF64I:
   2459   1.1  christos 	  need_entry = NEED_GOT;
   2460   1.1  christos 	  break;
   2461   1.1  christos 
   2462   1.1  christos 	case R_IA64_LTOFF22X:
   2463   1.1  christos 	  need_entry = NEED_GOTX;
   2464   1.1  christos 	  break;
   2465   1.1  christos 
   2466   1.1  christos 	case R_IA64_PLTOFF22:
   2467   1.1  christos 	case R_IA64_PLTOFF64I:
   2468   1.1  christos 	case R_IA64_PLTOFF64MSB:
   2469   1.1  christos 	case R_IA64_PLTOFF64LSB:
   2470   1.1  christos 	  need_entry = NEED_PLTOFF;
   2471   1.1  christos 	  if (h)
   2472   1.1  christos 	    {
   2473   1.6  christos 	      if (maybe_dynamic)
   2474   1.1  christos 		need_entry |= NEED_MIN_PLT;
   2475   1.1  christos 	    }
   2476   1.1  christos 	  break;
   2477   1.1  christos 
   2478   1.1  christos 	case R_IA64_PCREL21B:
   2479   1.1  christos 	case R_IA64_PCREL60B:
   2480   1.1  christos 	  /* Depending on where this symbol is defined, we may or may not
   2481   1.1  christos 	     need a full plt entry.  Only skip if we know we'll not need
   2482   1.1  christos 	     the entry -- static or symbolic, and the symbol definition
   2483   1.1  christos 	     has already been seen.  */
   2484   1.1  christos 	  if (maybe_dynamic && rel->r_addend == 0)
   2485   1.1  christos 	    need_entry = NEED_FULL_PLT;
   2486   1.1  christos 	  break;
   2487   1.1  christos 
   2488   1.1  christos 	case R_IA64_IMM14:
   2489   1.1  christos 	case R_IA64_IMM22:
   2490   1.3  christos 	case R_IA64_IMM64:
   2491   1.1  christos 	case R_IA64_DIR32MSB:
   2492   1.1  christos 	case R_IA64_DIR32LSB:
   2493   1.1  christos 	case R_IA64_DIR64MSB:
   2494   1.1  christos 	case R_IA64_DIR64LSB:
   2495   1.1  christos 	  /* Shared objects will always need at least a REL relocation.  */
   2496   1.1  christos 	  if (bfd_link_pic (info) || maybe_dynamic)
   2497   1.1  christos 	    need_entry = NEED_DYNREL;
   2498   1.3  christos 	  dynrel_type = R_IA64_DIRNNLSB;
   2499   1.1  christos 	  break;
   2500   1.1  christos 
   2501   1.1  christos 	case R_IA64_IPLTMSB:
   2502   1.1  christos 	case R_IA64_IPLTLSB:
   2503   1.1  christos 	  /* Shared objects will always need at least a REL relocation.  */
   2504   1.1  christos 	  if (bfd_link_pic (info) || maybe_dynamic)
   2505   1.1  christos 	    need_entry = NEED_DYNREL;
   2506   1.1  christos 	  dynrel_type = R_IA64_IPLTLSB;
   2507   1.1  christos 	  break;
   2508   1.1  christos 
   2509   1.1  christos 	case R_IA64_PCREL22:
   2510   1.1  christos 	case R_IA64_PCREL64I:
   2511   1.1  christos 	case R_IA64_PCREL32MSB:
   2512   1.1  christos 	case R_IA64_PCREL32LSB:
   2513   1.1  christos 	case R_IA64_PCREL64MSB:
   2514   1.1  christos 	case R_IA64_PCREL64LSB:
   2515   1.1  christos 	  if (maybe_dynamic)
   2516   1.1  christos 	    need_entry = NEED_DYNREL;
   2517   1.1  christos 	  dynrel_type = R_IA64_PCRELNNLSB;
   2518   1.8  christos 	  break;
   2519   1.1  christos 	}
   2520   1.1  christos 
   2521   1.1  christos       if (!need_entry)
   2522   1.1  christos 	continue;
   2523   1.1  christos 
   2524   1.1  christos       dyn_i = get_dyn_sym_info (ia64_info, h, abfd, rel, false);
   2525   1.1  christos 
   2526   1.1  christos       /* Record whether or not this is a local symbol.  */
   2527   1.1  christos       dyn_i->h = h;
   2528   1.1  christos 
   2529   1.1  christos       /* Create what's needed.  */
   2530   1.1  christos       if (need_entry & (NEED_GOT | NEED_GOTX | NEED_TPREL
   2531   1.8  christos 			| NEED_DTPMOD | NEED_DTPREL))
   2532   1.1  christos 	{
   2533   1.1  christos 	  if (!got)
   2534   1.1  christos 	    {
   2535   1.1  christos 	      got = get_got (abfd, info, ia64_info);
   2536   1.1  christos 	      if (!got)
   2537   1.1  christos 		return false;
   2538   1.1  christos 	    }
   2539   1.1  christos 	  if (need_entry & NEED_GOT)
   2540   1.1  christos 	    dyn_i->want_got = 1;
   2541   1.1  christos 	  if (need_entry & NEED_GOTX)
   2542   1.1  christos 	    dyn_i->want_gotx = 1;
   2543   1.1  christos 	  if (need_entry & NEED_TPREL)
   2544   1.1  christos 	    dyn_i->want_tprel = 1;
   2545   1.1  christos 	  if (need_entry & NEED_DTPMOD)
   2546   1.1  christos 	    dyn_i->want_dtpmod = 1;
   2547   1.1  christos 	  if (need_entry & NEED_DTPREL)
   2548   1.1  christos 	    dyn_i->want_dtprel = 1;
   2549   1.1  christos 	}
   2550   1.8  christos       if (need_entry & NEED_FPTR)
   2551   1.1  christos 	{
   2552   1.1  christos 	  if (!fptr)
   2553   1.1  christos 	    {
   2554   1.1  christos 	      fptr = get_fptr (abfd, info, ia64_info);
   2555   1.1  christos 	      if (!fptr)
   2556   1.3  christos 		return false;
   2557   1.1  christos 	    }
   2558   1.1  christos 
   2559   1.1  christos 	  /* FPTRs for shared libraries are allocated by the dynamic
   2560   1.8  christos 	     linker.  Make sure this local symbol will appear in the
   2561   1.1  christos 	     dynamic symbol table.  */
   2562   1.1  christos 	  if (!h && bfd_link_pic (info))
   2563   1.1  christos 	    {
   2564   1.1  christos 	      if (! (bfd_elf_link_record_local_dynamic_symbol
   2565   1.1  christos 		     (info, abfd, (long) r_symndx)))
   2566   1.1  christos 		return false;
   2567   1.1  christos 	    }
   2568   1.1  christos 
   2569   1.6  christos 	  dyn_i->want_fptr = 1;
   2570   1.1  christos 	}
   2571   1.1  christos       if (need_entry & NEED_LTOFF_FPTR)
   2572   1.1  christos 	dyn_i->want_ltoff_fptr = 1;
   2573   1.1  christos       if (need_entry & (NEED_MIN_PLT | NEED_FULL_PLT))
   2574   1.1  christos 	{
   2575   1.1  christos 	  if (!ia64_info->root.dynobj)
   2576   1.1  christos 	    ia64_info->root.dynobj = abfd;
   2577   1.1  christos 	  h->needs_plt = 1;
   2578   1.1  christos 	  dyn_i->want_plt = 1;
   2579   1.1  christos 	}
   2580   1.1  christos       if (need_entry & NEED_FULL_PLT)
   2581   1.1  christos 	dyn_i->want_plt2 = 1;
   2582   1.1  christos       if (need_entry & NEED_PLTOFF)
   2583   1.1  christos 	{
   2584   1.8  christos 	  /* This is needed here, in case @pltoff is used in a non-shared
   2585   1.1  christos 	     link.  */
   2586   1.1  christos 	  if (!pltoff)
   2587   1.1  christos 	    {
   2588   1.1  christos 	      pltoff = get_pltoff (abfd, info, ia64_info);
   2589   1.1  christos 	      if (!pltoff)
   2590   1.1  christos 		return false;
   2591   1.1  christos 	    }
   2592   1.1  christos 
   2593   1.8  christos 	  dyn_i->want_pltoff = 1;
   2594   1.1  christos 	}
   2595   1.8  christos       if ((need_entry & NEED_DYNREL) && (sec->flags & SEC_ALLOC))
   2596   1.1  christos 	{
   2597   1.1  christos 	  if (!srel)
   2598   1.1  christos 	    {
   2599   1.8  christos 	      srel = get_reloc_section (abfd, ia64_info, sec, true);
   2600   1.1  christos 	      if (!srel)
   2601   1.1  christos 		return false;
   2602   1.1  christos 	    }
   2603   1.8  christos 	  if (!count_dyn_reloc (abfd, dyn_i, srel, dynrel_type,
   2604   1.1  christos 				(sec->flags & SEC_READONLY) != 0))
   2605   1.1  christos 	    return false;
   2606   1.1  christos 	}
   2607   1.1  christos     }
   2608   1.1  christos 
   2609   1.8  christos   return true;
   2610   1.1  christos }
   2611   1.1  christos 
   2612   1.1  christos /* For cleanliness, and potentially faster dynamic loading, allocate
   2613   1.1  christos    external GOT entries first.  */
   2614   1.1  christos 
   2615   1.1  christos static bool
   2616   1.1  christos allocate_global_data_got (struct elfNN_ia64_dyn_sym_info *dyn_i,
   2617   1.1  christos 			  void * data)
   2618   1.1  christos {
   2619   1.1  christos   struct elfNN_ia64_allocate_data *x = (struct elfNN_ia64_allocate_data *)data;
   2620   1.1  christos 
   2621   1.1  christos   if ((dyn_i->want_got || dyn_i->want_gotx)
   2622   1.1  christos       && ! dyn_i->want_fptr
   2623   1.1  christos       && elfNN_ia64_dynamic_symbol_p (dyn_i->h, x->info, 0))
   2624   1.1  christos      {
   2625   1.1  christos        dyn_i->got_offset = x->ofs;
   2626   1.1  christos        x->ofs += 8;
   2627   1.1  christos      }
   2628   1.1  christos   if (dyn_i->want_tprel)
   2629   1.1  christos     {
   2630   1.1  christos       dyn_i->tprel_offset = x->ofs;
   2631   1.1  christos       x->ofs += 8;
   2632   1.1  christos     }
   2633   1.1  christos   if (dyn_i->want_dtpmod)
   2634   1.1  christos     {
   2635   1.1  christos       if (elfNN_ia64_dynamic_symbol_p (dyn_i->h, x->info, 0))
   2636   1.1  christos 	{
   2637   1.1  christos 	  dyn_i->dtpmod_offset = x->ofs;
   2638   1.1  christos 	  x->ofs += 8;
   2639   1.1  christos 	}
   2640   1.8  christos       else
   2641   1.1  christos 	{
   2642   1.1  christos 	  struct elfNN_ia64_link_hash_table *ia64_info;
   2643   1.1  christos 
   2644   1.1  christos 	  ia64_info = elfNN_ia64_hash_table (x->info);
   2645   1.1  christos 	  if (ia64_info == NULL)
   2646   1.1  christos 	    return false;
   2647   1.1  christos 
   2648   1.1  christos 	  if (ia64_info->self_dtpmod_offset == (bfd_vma) -1)
   2649   1.1  christos 	    {
   2650   1.1  christos 	      ia64_info->self_dtpmod_offset = x->ofs;
   2651   1.1  christos 	      x->ofs += 8;
   2652   1.1  christos 	    }
   2653   1.1  christos 	  dyn_i->dtpmod_offset = ia64_info->self_dtpmod_offset;
   2654   1.1  christos 	}
   2655   1.8  christos     }
   2656   1.1  christos   if (dyn_i->want_dtprel)
   2657   1.1  christos     {
   2658   1.1  christos       dyn_i->dtprel_offset = x->ofs;
   2659   1.1  christos       x->ofs += 8;
   2660   1.8  christos     }
   2661   1.1  christos   return true;
   2662   1.1  christos }
   2663   1.1  christos 
   2664   1.1  christos /* Next, allocate all the GOT entries used by LTOFF_FPTR relocs.  */
   2665   1.1  christos 
   2666   1.1  christos static bool
   2667   1.1  christos allocate_global_fptr_got (struct elfNN_ia64_dyn_sym_info *dyn_i,
   2668   1.1  christos 			  void * data)
   2669   1.1  christos {
   2670   1.1  christos   struct elfNN_ia64_allocate_data *x = (struct elfNN_ia64_allocate_data *)data;
   2671   1.1  christos 
   2672   1.1  christos   if (dyn_i->want_got
   2673   1.8  christos       && dyn_i->want_fptr
   2674   1.1  christos       && elfNN_ia64_dynamic_symbol_p (dyn_i->h, x->info, R_IA64_FPTRNNLSB))
   2675   1.1  christos     {
   2676   1.1  christos       dyn_i->got_offset = x->ofs;
   2677   1.1  christos       x->ofs += 8;
   2678   1.8  christos     }
   2679   1.1  christos   return true;
   2680   1.1  christos }
   2681   1.1  christos 
   2682   1.1  christos /* Lastly, allocate all the GOT entries for local data.  */
   2683   1.1  christos 
   2684   1.1  christos static bool
   2685   1.1  christos allocate_local_got (struct elfNN_ia64_dyn_sym_info *dyn_i,
   2686   1.1  christos 		    void * data)
   2687   1.1  christos {
   2688   1.1  christos   struct elfNN_ia64_allocate_data *x = (struct elfNN_ia64_allocate_data *)data;
   2689   1.1  christos 
   2690   1.8  christos   if ((dyn_i->want_got || dyn_i->want_gotx)
   2691   1.1  christos       && !elfNN_ia64_dynamic_symbol_p (dyn_i->h, x->info, 0))
   2692   1.1  christos     {
   2693   1.1  christos       dyn_i->got_offset = x->ofs;
   2694   1.1  christos       x->ofs += 8;
   2695   1.1  christos     }
   2696   1.1  christos   return true;
   2697   1.1  christos }
   2698   1.1  christos 
   2699   1.1  christos /* Search for the index of a global symbol in it's defining object file.  */
   2700   1.1  christos 
   2701   1.1  christos static long
   2702   1.1  christos global_sym_index (struct elf_link_hash_entry *h)
   2703   1.1  christos {
   2704   1.1  christos   struct elf_link_hash_entry **p;
   2705   1.1  christos   bfd *obj;
   2706   1.1  christos 
   2707   1.1  christos   BFD_ASSERT (h->root.type == bfd_link_hash_defined
   2708   1.1  christos 	      || h->root.type == bfd_link_hash_defweak);
   2709   1.1  christos 
   2710   1.1  christos   obj = h->root.u.def.section->owner;
   2711   1.1  christos   for (p = elf_sym_hashes (obj); *p != h; ++p)
   2712   1.1  christos     continue;
   2713   1.1  christos 
   2714   1.8  christos   return p - elf_sym_hashes (obj) + elf_tdata (obj)->symtab_hdr.sh_info;
   2715   1.1  christos }
   2716   1.1  christos 
   2717   1.1  christos /* Allocate function descriptors.  We can do these for every function
   2718   1.1  christos    in a main executable that is not exported.  */
   2719   1.1  christos 
   2720   1.1  christos static bool
   2721   1.1  christos allocate_fptr (struct elfNN_ia64_dyn_sym_info *dyn_i, void * data)
   2722   1.1  christos {
   2723   1.1  christos   struct elfNN_ia64_allocate_data *x = (struct elfNN_ia64_allocate_data *)data;
   2724   1.1  christos 
   2725   1.1  christos   if (dyn_i->want_fptr)
   2726   1.1  christos     {
   2727   1.1  christos       struct elf_link_hash_entry *h = dyn_i->h;
   2728   1.3  christos 
   2729   1.1  christos       if (h)
   2730   1.8  christos 	while (h->root.type == bfd_link_hash_indirect
   2731   1.1  christos 	       || h->root.type == bfd_link_hash_warning)
   2732   1.1  christos 	  h = (struct elf_link_hash_entry *) h->root.u.i.link;
   2733   1.1  christos 
   2734   1.1  christos       if (!bfd_link_executable (x->info)
   2735   1.1  christos 	  && (!h
   2736   1.1  christos 	      || ELF_ST_VISIBILITY (h->other) == STV_DEFAULT
   2737   1.1  christos 	      || (h->root.type != bfd_link_hash_undefweak
   2738   1.1  christos 		  && h->root.type != bfd_link_hash_undefined)))
   2739   1.1  christos 	{
   2740   1.1  christos 	  if (h && h->dynindx == -1)
   2741   1.1  christos 	    {
   2742   1.8  christos 	      BFD_ASSERT ((h->root.type == bfd_link_hash_defined)
   2743   1.1  christos 			  || (h->root.type == bfd_link_hash_defweak));
   2744   1.1  christos 
   2745   1.1  christos 	      if (!bfd_elf_link_record_local_dynamic_symbol
   2746   1.1  christos 		    (x->info, h->root.u.def.section->owner,
   2747   1.1  christos 		     global_sym_index (h)))
   2748   1.1  christos 		return false;
   2749   1.1  christos 	    }
   2750   1.1  christos 
   2751   1.1  christos 	  dyn_i->want_fptr = 0;
   2752   1.1  christos 	}
   2753   1.1  christos       else if (h == NULL || h->dynindx == -1)
   2754   1.1  christos 	{
   2755   1.8  christos 	  dyn_i->fptr_offset = x->ofs;
   2756   1.1  christos 	  x->ofs += 16;
   2757   1.1  christos 	}
   2758   1.1  christos       else
   2759   1.1  christos 	dyn_i->want_fptr = 0;
   2760   1.8  christos     }
   2761   1.1  christos   return true;
   2762   1.1  christos }
   2763   1.1  christos 
   2764   1.1  christos /* Allocate all the minimal PLT entries.  */
   2765   1.1  christos 
   2766   1.1  christos static bool
   2767   1.1  christos allocate_plt_entries (struct elfNN_ia64_dyn_sym_info *dyn_i,
   2768   1.1  christos 		      void * data)
   2769   1.1  christos {
   2770   1.1  christos   struct elfNN_ia64_allocate_data *x = (struct elfNN_ia64_allocate_data *)data;
   2771   1.1  christos 
   2772   1.1  christos   if (dyn_i->want_plt)
   2773   1.1  christos     {
   2774   1.1  christos       struct elf_link_hash_entry *h = dyn_i->h;
   2775   1.1  christos 
   2776   1.1  christos       if (h)
   2777   1.1  christos 	while (h->root.type == bfd_link_hash_indirect
   2778   1.1  christos 	       || h->root.type == bfd_link_hash_warning)
   2779   1.1  christos 	  h = (struct elf_link_hash_entry *) h->root.u.i.link;
   2780   1.1  christos 
   2781   1.1  christos       /* ??? Versioned symbols seem to lose NEEDS_PLT.  */
   2782   1.1  christos       if (elfNN_ia64_dynamic_symbol_p (h, x->info, 0))
   2783   1.1  christos 	{
   2784   1.1  christos 	  bfd_size_type offset = x->ofs;
   2785   1.1  christos 	  if (offset == 0)
   2786   1.1  christos 	    offset = PLT_HEADER_SIZE;
   2787   1.1  christos 	  dyn_i->plt_offset = offset;
   2788   1.1  christos 	  x->ofs = offset + PLT_MIN_ENTRY_SIZE;
   2789   1.1  christos 
   2790   1.1  christos 	  dyn_i->want_pltoff = 1;
   2791   1.1  christos 	}
   2792   1.8  christos       else
   2793   1.1  christos 	{
   2794   1.1  christos 	  dyn_i->want_plt = 0;
   2795   1.1  christos 	  dyn_i->want_plt2 = 0;
   2796   1.1  christos 	}
   2797   1.8  christos     }
   2798   1.1  christos   return true;
   2799   1.1  christos }
   2800   1.1  christos 
   2801   1.1  christos /* Allocate all the full PLT entries.  */
   2802   1.1  christos 
   2803   1.1  christos static bool
   2804   1.1  christos allocate_plt2_entries (struct elfNN_ia64_dyn_sym_info *dyn_i,
   2805   1.1  christos 		       void * data)
   2806   1.1  christos {
   2807   1.1  christos   struct elfNN_ia64_allocate_data *x = (struct elfNN_ia64_allocate_data *)data;
   2808   1.1  christos 
   2809   1.1  christos   if (dyn_i->want_plt2)
   2810   1.1  christos     {
   2811   1.1  christos       struct elf_link_hash_entry *h = dyn_i->h;
   2812   1.1  christos       bfd_size_type ofs = x->ofs;
   2813   1.1  christos 
   2814   1.1  christos       dyn_i->plt2_offset = ofs;
   2815   1.1  christos       x->ofs = ofs + PLT_FULL_ENTRY_SIZE;
   2816   1.8  christos 
   2817   1.1  christos       while (h->root.type == bfd_link_hash_indirect
   2818   1.1  christos 	     || h->root.type == bfd_link_hash_warning)
   2819   1.1  christos 	h = (struct elf_link_hash_entry *) h->root.u.i.link;
   2820   1.1  christos       dyn_i->h->plt.offset = ofs;
   2821   1.1  christos     }
   2822   1.1  christos   return true;
   2823   1.1  christos }
   2824   1.8  christos 
   2825   1.1  christos /* Allocate all the PLTOFF entries requested by relocations and
   2826   1.1  christos    plt entries.  We can't share space with allocated FPTR entries,
   2827   1.1  christos    because the latter are not necessarily addressable by the GP.
   2828   1.1  christos    ??? Relaxation might be able to determine that they are.  */
   2829   1.1  christos 
   2830   1.1  christos static bool
   2831   1.1  christos allocate_pltoff_entries (struct elfNN_ia64_dyn_sym_info *dyn_i,
   2832   1.1  christos 			 void * data)
   2833   1.1  christos {
   2834   1.1  christos   struct elfNN_ia64_allocate_data *x = (struct elfNN_ia64_allocate_data *)data;
   2835   1.8  christos 
   2836   1.1  christos   if (dyn_i->want_pltoff)
   2837   1.1  christos     {
   2838   1.1  christos       dyn_i->pltoff_offset = x->ofs;
   2839   1.1  christos       x->ofs += 16;
   2840   1.1  christos     }
   2841   1.8  christos   return true;
   2842   1.1  christos }
   2843   1.1  christos 
   2844   1.1  christos /* Allocate dynamic relocations for those symbols that turned out
   2845   1.1  christos    to be dynamic.  */
   2846   1.1  christos 
   2847   1.1  christos static bool
   2848   1.8  christos allocate_dynrel_entries (struct elfNN_ia64_dyn_sym_info *dyn_i,
   2849   1.1  christos 			 void * data)
   2850   1.1  christos {
   2851   1.1  christos   struct elfNN_ia64_allocate_data *x = (struct elfNN_ia64_allocate_data *)data;
   2852   1.8  christos   struct elfNN_ia64_link_hash_table *ia64_info;
   2853   1.1  christos   struct elfNN_ia64_dyn_reloc_entry *rent;
   2854   1.1  christos   bool dynamic_symbol, shared, resolved_zero;
   2855   1.1  christos 
   2856   1.1  christos   ia64_info = elfNN_ia64_hash_table (x->info);
   2857   1.3  christos   if (ia64_info == NULL)
   2858   1.1  christos     return false;
   2859   1.8  christos 
   2860   1.8  christos   /* Note that this can't be used in relation to FPTR relocs below.  */
   2861   1.1  christos   dynamic_symbol = elfNN_ia64_dynamic_symbol_p (dyn_i->h, x->info, 0);
   2862   1.1  christos 
   2863   1.1  christos   shared = bfd_link_pic (x->info);
   2864   1.1  christos   resolved_zero = (dyn_i->h
   2865   1.1  christos 		   && ELF_ST_VISIBILITY (dyn_i->h->other)
   2866   1.1  christos 		   && dyn_i->h->root.type == bfd_link_hash_undefweak);
   2867   1.1  christos 
   2868   1.1  christos   /* Take care of the GOT and PLT relocations.  */
   2869   1.1  christos 
   2870   1.1  christos   if ((!resolved_zero
   2871   1.1  christos        && (dynamic_symbol || shared)
   2872   1.3  christos        && (dyn_i->want_got || dyn_i->want_gotx))
   2873   1.1  christos       || (dyn_i->want_ltoff_fptr
   2874   1.1  christos 	  && dyn_i->h
   2875   1.1  christos 	  && dyn_i->h->dynindx != -1))
   2876   1.1  christos     {
   2877   1.1  christos       if (!dyn_i->want_ltoff_fptr
   2878   1.1  christos 	  || !bfd_link_pie (x->info)
   2879   1.1  christos 	  || dyn_i->h == NULL
   2880   1.1  christos 	  || dyn_i->h->root.type != bfd_link_hash_undefweak)
   2881   1.1  christos 	ia64_info->root.srelgot->size += sizeof (ElfNN_External_Rela);
   2882   1.1  christos     }
   2883   1.1  christos   if ((dynamic_symbol || shared) && dyn_i->want_tprel)
   2884   1.1  christos     ia64_info->root.srelgot->size += sizeof (ElfNN_External_Rela);
   2885   1.8  christos   if (dynamic_symbol && dyn_i->want_dtpmod)
   2886   1.1  christos     ia64_info->root.srelgot->size += sizeof (ElfNN_External_Rela);
   2887   1.1  christos   if (dynamic_symbol && dyn_i->want_dtprel)
   2888   1.1  christos     ia64_info->root.srelgot->size += sizeof (ElfNN_External_Rela);
   2889   1.1  christos 
   2890   1.1  christos   if (x->only_got)
   2891   1.1  christos     return true;
   2892   1.1  christos 
   2893   1.1  christos   if (ia64_info->rel_fptr_sec && dyn_i->want_fptr)
   2894   1.1  christos     {
   2895   1.1  christos       if (dyn_i->h == NULL || dyn_i->h->root.type != bfd_link_hash_undefweak)
   2896   1.1  christos 	ia64_info->rel_fptr_sec->size += sizeof (ElfNN_External_Rela);
   2897   1.1  christos     }
   2898   1.1  christos 
   2899   1.1  christos   if (!resolved_zero && dyn_i->want_pltoff)
   2900   1.1  christos     {
   2901   1.1  christos       bfd_size_type t = 0;
   2902   1.1  christos 
   2903   1.1  christos       /* Dynamic symbols get one IPLT relocation.  Local symbols in
   2904   1.1  christos 	 shared libraries get two REL relocations.  Local symbols in
   2905   1.1  christos 	 main applications get nothing.  */
   2906   1.1  christos       if (dynamic_symbol)
   2907   1.1  christos 	t = sizeof (ElfNN_External_Rela);
   2908   1.1  christos       else if (shared)
   2909   1.1  christos 	t = 2 * sizeof (ElfNN_External_Rela);
   2910   1.1  christos 
   2911   1.1  christos       ia64_info->rel_pltoff_sec->size += t;
   2912   1.1  christos     }
   2913   1.1  christos 
   2914   1.1  christos   /* Take care of the normal data relocations.  */
   2915   1.1  christos 
   2916   1.1  christos   for (rent = dyn_i->reloc_entries; rent; rent = rent->next)
   2917   1.1  christos     {
   2918   1.1  christos       int count = rent->count;
   2919   1.1  christos 
   2920   1.1  christos       switch (rent->type)
   2921   1.1  christos 	{
   2922   1.3  christos 	case R_IA64_FPTR32LSB:
   2923   1.1  christos 	case R_IA64_FPTR64LSB:
   2924   1.1  christos 	  /* Allocate one iff !want_fptr and not PIE, which by this point
   2925   1.1  christos 	     will be true only if we're actually allocating one statically
   2926   1.1  christos 	     in the main executable.  Position independent executables
   2927   1.1  christos 	     need a relative reloc.  */
   2928   1.1  christos 	  if (dyn_i->want_fptr && !bfd_link_pie (x->info))
   2929   1.1  christos 	    continue;
   2930   1.1  christos 	  break;
   2931   1.1  christos 	case R_IA64_PCREL32LSB:
   2932   1.1  christos 	case R_IA64_PCREL64LSB:
   2933   1.1  christos 	  if (!dynamic_symbol)
   2934   1.1  christos 	    continue;
   2935   1.1  christos 	  break;
   2936   1.1  christos 	case R_IA64_DIR32LSB:
   2937   1.1  christos 	case R_IA64_DIR64LSB:
   2938   1.1  christos 	  if (!dynamic_symbol && !shared)
   2939   1.1  christos 	    continue;
   2940   1.1  christos 	  break;
   2941   1.1  christos 	case R_IA64_IPLTLSB:
   2942   1.1  christos 	  if (!dynamic_symbol && !shared)
   2943   1.1  christos 	    continue;
   2944   1.1  christos 	  /* Use two REL relocations for IPLT relocations
   2945   1.1  christos 	     against local symbols.  */
   2946   1.1  christos 	  if (!dynamic_symbol)
   2947   1.1  christos 	    count *= 2;
   2948   1.1  christos 	  break;
   2949   1.1  christos 	case R_IA64_DTPREL32LSB:
   2950   1.1  christos 	case R_IA64_TPREL64LSB:
   2951   1.1  christos 	case R_IA64_DTPREL64LSB:
   2952   1.8  christos 	case R_IA64_DTPMOD64LSB:
   2953   1.1  christos 	  break;
   2954   1.1  christos 	default:
   2955   1.1  christos 	  abort ();
   2956   1.8  christos 	}
   2957   1.1  christos       if (rent->reltext)
   2958   1.1  christos 	x->info->flags |= DF_TEXTREL;
   2959   1.8  christos       rent->srel->size += sizeof (ElfNN_External_Rela) * count;
   2960   1.1  christos     }
   2961   1.1  christos 
   2962   1.1  christos   return true;
   2963   1.1  christos }
   2964   1.1  christos 
   2965   1.1  christos static bool
   2966   1.1  christos elfNN_ia64_adjust_dynamic_symbol (struct bfd_link_info *info ATTRIBUTE_UNUSED,
   2967   1.1  christos 				  struct elf_link_hash_entry *h)
   2968   1.1  christos {
   2969   1.6  christos   /* ??? Undefined symbols with PLT entries should be re-defined
   2970   1.1  christos      to be the PLT entry.  */
   2971   1.6  christos 
   2972   1.6  christos   /* If this is a weak symbol, and there is a real definition, the
   2973   1.6  christos      processor independent code will have arranged for us to see the
   2974   1.6  christos      real definition first, and we can just use the same value.  */
   2975   1.8  christos   if (h->is_weakalias)
   2976   1.1  christos     {
   2977   1.1  christos       struct elf_link_hash_entry *def = weakdef (h);
   2978   1.1  christos       BFD_ASSERT (def->root.type == bfd_link_hash_defined);
   2979   1.1  christos       h->root.u.def.section = def->root.u.def.section;
   2980   1.1  christos       h->root.u.def.value = def->root.u.def.value;
   2981   1.1  christos       return true;
   2982   1.1  christos     }
   2983   1.1  christos 
   2984   1.1  christos   /* If this is a reference to a symbol defined by a dynamic object which
   2985   1.8  christos      is not a function, we might allocate the symbol in our .dynbss section
   2986   1.1  christos      and allocate a COPY dynamic relocation.
   2987   1.1  christos 
   2988   1.8  christos      But IA-64 code is canonically PIC, so as a rule we can avoid this sort
   2989  1.10  christos      of hackery.  */
   2990  1.10  christos 
   2991   1.1  christos   return true;
   2992   1.1  christos }
   2993   1.1  christos 
   2994   1.1  christos static bool
   2995   1.1  christos elfNN_ia64_late_size_sections (bfd *output_bfd ATTRIBUTE_UNUSED,
   2996   1.1  christos 			       struct bfd_link_info *info)
   2997   1.1  christos {
   2998   1.1  christos   struct elfNN_ia64_allocate_data data;
   2999   1.8  christos   struct elfNN_ia64_link_hash_table *ia64_info;
   3000   1.6  christos   asection *sec;
   3001  1.10  christos   bfd *dynobj;
   3002  1.10  christos 
   3003   1.1  christos   ia64_info = elfNN_ia64_hash_table (info);
   3004   1.1  christos   if (ia64_info == NULL)
   3005   1.1  christos     return false;
   3006   1.1  christos   dynobj = ia64_info->root.dynobj;
   3007   1.1  christos   if (dynobj == NULL)
   3008   1.3  christos     return true;
   3009   1.1  christos   ia64_info->self_dtpmod_offset = (bfd_vma) -1;
   3010   1.1  christos   data.info = info;
   3011   1.1  christos 
   3012   1.1  christos   /* Set the contents of the .interp section to the interpreter.  */
   3013  1.10  christos   if (ia64_info->root.dynamic_sections_created
   3014   1.1  christos       && bfd_link_executable (info) && !info->nointerp)
   3015   1.1  christos     {
   3016   1.1  christos       sec = bfd_get_linker_section (dynobj, ".interp");
   3017   1.1  christos       BFD_ASSERT (sec != NULL);
   3018   1.1  christos       sec->contents = (bfd_byte *) ELF_DYNAMIC_INTERPRETER;
   3019   1.1  christos       sec->alloced = 1;
   3020   1.1  christos       sec->size = strlen (ELF_DYNAMIC_INTERPRETER) + 1;
   3021   1.1  christos     }
   3022   1.1  christos 
   3023   1.1  christos   /* Allocate the GOT entries.  */
   3024   1.1  christos 
   3025   1.1  christos   if (ia64_info->root.sgot)
   3026   1.1  christos     {
   3027   1.1  christos       data.ofs = 0;
   3028   1.1  christos       elfNN_ia64_dyn_sym_traverse (ia64_info, allocate_global_data_got, &data);
   3029   1.1  christos       elfNN_ia64_dyn_sym_traverse (ia64_info, allocate_global_fptr_got, &data);
   3030   1.1  christos       elfNN_ia64_dyn_sym_traverse (ia64_info, allocate_local_got, &data);
   3031   1.1  christos       ia64_info->root.sgot->size = data.ofs;
   3032   1.1  christos     }
   3033   1.1  christos 
   3034   1.1  christos   /* Allocate the FPTR entries.  */
   3035   1.1  christos 
   3036   1.1  christos   if (ia64_info->fptr_sec)
   3037   1.1  christos     {
   3038   1.1  christos       data.ofs = 0;
   3039   1.1  christos       elfNN_ia64_dyn_sym_traverse (ia64_info, allocate_fptr, &data);
   3040   1.1  christos       ia64_info->fptr_sec->size = data.ofs;
   3041   1.1  christos     }
   3042   1.1  christos 
   3043   1.1  christos   /* Now that we've seen all of the input files, we can decide which
   3044   1.1  christos      symbols need plt entries.  Allocate the minimal PLT entries first.
   3045   1.1  christos      We do this even though dynamic_sections_created may be FALSE, because
   3046   1.1  christos      this has the side-effect of clearing want_plt and want_plt2.  */
   3047   1.1  christos 
   3048   1.1  christos   data.ofs = 0;
   3049   1.1  christos   elfNN_ia64_dyn_sym_traverse (ia64_info, allocate_plt_entries, &data);
   3050   1.1  christos 
   3051   1.1  christos   ia64_info->minplt_entries = 0;
   3052   1.1  christos   if (data.ofs)
   3053   1.1  christos     {
   3054   1.1  christos       ia64_info->minplt_entries
   3055   1.1  christos 	= (data.ofs - PLT_HEADER_SIZE) / PLT_MIN_ENTRY_SIZE;
   3056   1.1  christos     }
   3057   1.1  christos 
   3058   1.1  christos   /* Align the pointer for the plt2 entries.  */
   3059   1.1  christos   data.ofs = (data.ofs + 31) & (bfd_vma) -32;
   3060   1.1  christos 
   3061   1.1  christos   elfNN_ia64_dyn_sym_traverse (ia64_info, allocate_plt2_entries, &data);
   3062   1.1  christos   if (data.ofs != 0 || ia64_info->root.dynamic_sections_created)
   3063   1.1  christos     {
   3064   1.1  christos       /* FIXME: we always reserve the memory for dynamic linker even if
   3065   1.1  christos 	 there are no PLT entries since dynamic linker may assume the
   3066   1.1  christos 	 reserved memory always exists.  */
   3067   1.1  christos 
   3068   1.6  christos       BFD_ASSERT (ia64_info->root.dynamic_sections_created);
   3069   1.1  christos 
   3070   1.1  christos       ia64_info->root.splt->size = data.ofs;
   3071   1.1  christos 
   3072   1.1  christos       /* If we've got a .plt, we need some extra memory for the dynamic
   3073   1.1  christos 	 linker.  We stuff these in .got.plt.  */
   3074   1.1  christos       ia64_info->root.sgotplt->size = 8 * PLT_RESERVED_WORDS;
   3075   1.1  christos     }
   3076   1.1  christos 
   3077   1.1  christos   /* Allocate the PLTOFF entries.  */
   3078   1.1  christos 
   3079   1.1  christos   if (ia64_info->pltoff_sec)
   3080   1.1  christos     {
   3081   1.1  christos       data.ofs = 0;
   3082   1.1  christos       elfNN_ia64_dyn_sym_traverse (ia64_info, allocate_pltoff_entries, &data);
   3083   1.1  christos       ia64_info->pltoff_sec->size = data.ofs;
   3084   1.1  christos     }
   3085   1.3  christos 
   3086   1.1  christos   if (ia64_info->root.dynamic_sections_created)
   3087   1.8  christos     {
   3088   1.1  christos       /* Allocate space for the dynamic relocations that turned out to be
   3089   1.1  christos 	 required.  */
   3090   1.1  christos 
   3091   1.1  christos       if (bfd_link_pic (info) && ia64_info->self_dtpmod_offset != (bfd_vma) -1)
   3092   1.1  christos 	ia64_info->root.srelgot->size += sizeof (ElfNN_External_Rela);
   3093   1.1  christos       data.only_got = false;
   3094   1.1  christos       elfNN_ia64_dyn_sym_traverse (ia64_info, allocate_dynrel_entries, &data);
   3095   1.8  christos     }
   3096   1.1  christos 
   3097   1.1  christos   /* We have now determined the sizes of the various dynamic sections.
   3098   1.1  christos      Allocate memory for them.  */
   3099   1.1  christos   for (sec = dynobj->sections; sec != NULL; sec = sec->next)
   3100   1.1  christos     {
   3101   1.1  christos       bool strip;
   3102   1.1  christos 
   3103   1.1  christos       if (!(sec->flags & SEC_LINKER_CREATED))
   3104   1.1  christos 	continue;
   3105   1.1  christos 
   3106   1.1  christos       /* If we don't need this section, strip it from the output file.
   3107   1.1  christos 	 There were several sections primarily related to dynamic
   3108   1.1  christos 	 linking that must be create before the linker maps input
   3109   1.1  christos 	 sections to output sections.  The linker does that before
   3110   1.1  christos 	 bfd_elf_size_dynamic_sections is called, and it is that
   3111   1.8  christos 	 function which decides whether anything needs to go into
   3112   1.1  christos 	 these sections.  */
   3113   1.1  christos 
   3114   1.1  christos       strip = (sec->size == 0);
   3115   1.1  christos 
   3116   1.1  christos       if (sec == ia64_info->root.sgot)
   3117   1.1  christos 	strip = false;
   3118   1.1  christos       else if (sec == ia64_info->root.srelgot)
   3119   1.1  christos 	{
   3120   1.1  christos 	  if (strip)
   3121   1.1  christos 	    ia64_info->root.srelgot = NULL;
   3122   1.1  christos 	  else
   3123   1.1  christos 	    /* We use the reloc_count field as a counter if we need to
   3124   1.1  christos 	       copy relocs into the output file.  */
   3125   1.1  christos 	    sec->reloc_count = 0;
   3126   1.1  christos 	}
   3127   1.1  christos       else if (sec == ia64_info->fptr_sec)
   3128   1.1  christos 	{
   3129   1.1  christos 	  if (strip)
   3130   1.1  christos 	    ia64_info->fptr_sec = NULL;
   3131   1.1  christos 	}
   3132   1.1  christos       else if (sec == ia64_info->rel_fptr_sec)
   3133   1.1  christos 	{
   3134   1.1  christos 	  if (strip)
   3135   1.1  christos 	    ia64_info->rel_fptr_sec = NULL;
   3136   1.1  christos 	  else
   3137   1.1  christos 	    /* We use the reloc_count field as a counter if we need to
   3138   1.1  christos 	       copy relocs into the output file.  */
   3139   1.1  christos 	    sec->reloc_count = 0;
   3140   1.1  christos 	}
   3141   1.1  christos       else if (sec == ia64_info->root.splt)
   3142   1.1  christos 	{
   3143   1.1  christos 	  if (strip)
   3144   1.1  christos 	    ia64_info->root.splt = NULL;
   3145   1.1  christos 	}
   3146   1.1  christos       else if (sec == ia64_info->pltoff_sec)
   3147   1.1  christos 	{
   3148   1.1  christos 	  if (strip)
   3149   1.1  christos 	    ia64_info->pltoff_sec = NULL;
   3150   1.1  christos 	}
   3151   1.8  christos       else if (sec == ia64_info->rel_pltoff_sec)
   3152   1.1  christos 	{
   3153   1.1  christos 	  if (strip)
   3154   1.1  christos 	    ia64_info->rel_pltoff_sec = NULL;
   3155   1.1  christos 	  else
   3156   1.1  christos 	    {
   3157   1.1  christos 	      ia64_info->root.dt_jmprel_required = true;
   3158   1.1  christos 	      /* We use the reloc_count field as a counter if we need to
   3159   1.1  christos 		 copy relocs into the output file.  */
   3160   1.1  christos 	      sec->reloc_count = 0;
   3161   1.1  christos 	    }
   3162   1.1  christos 	}
   3163   1.7  christos       else
   3164   1.1  christos 	{
   3165   1.1  christos 	  const char *name;
   3166   1.8  christos 
   3167   1.8  christos 	  /* It's OK to base decisions on the section name, because none
   3168   1.1  christos 	     of the dynobj section names depend upon the input files.  */
   3169   1.1  christos 	  name = bfd_section_name (sec);
   3170   1.1  christos 
   3171   1.1  christos 	  if (strcmp (name, ".got.plt") == 0)
   3172   1.1  christos 	    strip = false;
   3173   1.1  christos 	  else if (startswith (name, ".rel"))
   3174   1.1  christos 	    {
   3175   1.1  christos 	      if (!strip)
   3176   1.1  christos 		{
   3177   1.1  christos 		  /* We use the reloc_count field as a counter if we need to
   3178   1.1  christos 		     copy relocs into the output file.  */
   3179   1.1  christos 		  sec->reloc_count = 0;
   3180   1.1  christos 		}
   3181   1.1  christos 	    }
   3182   1.1  christos 	  else
   3183   1.1  christos 	    continue;
   3184   1.1  christos 	}
   3185   1.1  christos 
   3186   1.1  christos       if (strip)
   3187   1.8  christos 	sec->flags |= SEC_EXCLUDE;
   3188  1.10  christos       else
   3189   1.1  christos 	{
   3190   1.1  christos 	  /* Allocate memory for the section contents.  */
   3191   1.1  christos 	  sec->contents = (bfd_byte *) bfd_zalloc (dynobj, sec->size);
   3192   1.6  christos 	  if (sec->contents == NULL && sec->size != 0)
   3193   1.1  christos 	    return false;
   3194   1.1  christos 	  sec->alloced = 1;
   3195   1.1  christos 	}
   3196   1.1  christos     }
   3197   1.1  christos 
   3198   1.1  christos   if (ia64_info->root.dynamic_sections_created)
   3199   1.1  christos     {
   3200   1.1  christos       /* Add some entries to the .dynamic section.  We fill in the values
   3201   1.8  christos 	 later (in finish_dynamic_sections) but we must add the entries now
   3202   1.8  christos 	 so that we get the correct size for the .dynamic section.  */
   3203   1.1  christos 
   3204   1.1  christos #define add_dynamic_entry(TAG, VAL) \
   3205   1.8  christos   _bfd_elf_add_dynamic_entry (info, TAG, VAL)
   3206   1.1  christos 
   3207   1.1  christos       if (!_bfd_elf_add_dynamic_tags (output_bfd, info, true))
   3208   1.1  christos 	return false;
   3209   1.1  christos 
   3210   1.8  christos       if (!add_dynamic_entry (DT_IA_64_PLT_RESERVE, 0))
   3211   1.1  christos 	return false;
   3212   1.1  christos     }
   3213   1.1  christos 
   3214   1.1  christos   /* ??? Perhaps force __gp local.  */
   3215   1.1  christos 
   3216   1.1  christos   return true;
   3217   1.1  christos }
   3218   1.1  christos 
   3219   1.1  christos static void
   3220   1.1  christos elfNN_ia64_install_dyn_reloc (bfd *abfd, struct bfd_link_info *info,
   3221   1.1  christos 			      asection *sec, asection *srel,
   3222   1.1  christos 			      bfd_vma offset, unsigned int type,
   3223   1.1  christos 			      long dynindx, bfd_vma addend)
   3224   1.1  christos {
   3225   1.1  christos   Elf_Internal_Rela outrel;
   3226   1.1  christos   bfd_byte *loc;
   3227   1.1  christos 
   3228   1.1  christos   BFD_ASSERT (dynindx != -1);
   3229   1.1  christos   outrel.r_info = ELFNN_R_INFO (dynindx, type);
   3230   1.1  christos   outrel.r_addend = addend;
   3231   1.1  christos   outrel.r_offset = _bfd_elf_section_offset (abfd, info, sec, offset);
   3232   1.1  christos   if (outrel.r_offset >= (bfd_vma) -2)
   3233   1.1  christos     {
   3234   1.1  christos       /* Run for the hills.  We shouldn't be outputting a relocation
   3235   1.1  christos 	 for this.  So do what everyone else does and output a no-op.  */
   3236   1.1  christos       outrel.r_info = ELFNN_R_INFO (0, R_IA64_NONE);
   3237   1.1  christos       outrel.r_addend = 0;
   3238   1.1  christos       outrel.r_offset = 0;
   3239   1.1  christos     }
   3240   1.1  christos   else
   3241   1.1  christos     outrel.r_offset += sec->output_section->vma + sec->output_offset;
   3242   1.1  christos 
   3243   1.1  christos   loc = srel->contents;
   3244   1.1  christos   loc += srel->reloc_count++ * sizeof (ElfNN_External_Rela);
   3245   1.1  christos   bfd_elfNN_swap_reloca_out (abfd, &outrel, loc);
   3246   1.1  christos   BFD_ASSERT (sizeof (ElfNN_External_Rela) * srel->reloc_count <= srel->size);
   3247   1.1  christos }
   3248   1.1  christos 
   3249   1.1  christos /* Store an entry for target address TARGET_ADDR in the linkage table
   3250   1.1  christos    and return the gp-relative address of the linkage table entry.  */
   3251   1.1  christos 
   3252   1.1  christos static bfd_vma
   3253   1.1  christos set_got_entry (bfd *abfd, struct bfd_link_info *info,
   3254   1.8  christos 	       struct elfNN_ia64_dyn_sym_info *dyn_i,
   3255   1.1  christos 	       long dynindx, bfd_vma addend, bfd_vma value,
   3256   1.1  christos 	       unsigned int dyn_r_type)
   3257   1.1  christos {
   3258   1.1  christos   struct elfNN_ia64_link_hash_table *ia64_info;
   3259   1.1  christos   asection *got_sec;
   3260   1.1  christos   bool done;
   3261   1.1  christos   bfd_vma got_offset;
   3262   1.1  christos 
   3263   1.1  christos   ia64_info = elfNN_ia64_hash_table (info);
   3264   1.1  christos   if (ia64_info == NULL)
   3265   1.1  christos     return 0;
   3266   1.1  christos 
   3267   1.8  christos   got_sec = ia64_info->root.sgot;
   3268   1.1  christos 
   3269   1.1  christos   switch (dyn_r_type)
   3270   1.1  christos     {
   3271   1.1  christos     case R_IA64_TPREL64LSB:
   3272   1.1  christos       done = dyn_i->tprel_done;
   3273   1.1  christos       dyn_i->tprel_done = true;
   3274   1.8  christos       got_offset = dyn_i->tprel_offset;
   3275   1.1  christos       break;
   3276   1.1  christos     case R_IA64_DTPMOD64LSB:
   3277   1.1  christos       if (dyn_i->dtpmod_offset != ia64_info->self_dtpmod_offset)
   3278   1.1  christos 	{
   3279   1.8  christos 	  done = dyn_i->dtpmod_done;
   3280   1.1  christos 	  dyn_i->dtpmod_done = true;
   3281   1.1  christos 	}
   3282   1.1  christos       else
   3283   1.1  christos 	{
   3284   1.1  christos 	  done = ia64_info->self_dtpmod_done;
   3285   1.1  christos 	  ia64_info->self_dtpmod_done = true;
   3286   1.1  christos 	  dynindx = 0;
   3287   1.8  christos 	}
   3288   1.1  christos       got_offset = dyn_i->dtpmod_offset;
   3289   1.1  christos       break;
   3290   1.1  christos     case R_IA64_DTPREL32LSB:
   3291   1.1  christos     case R_IA64_DTPREL64LSB:
   3292   1.8  christos       done = dyn_i->dtprel_done;
   3293   1.1  christos       dyn_i->dtprel_done = true;
   3294   1.1  christos       got_offset = dyn_i->dtprel_offset;
   3295   1.1  christos       break;
   3296   1.1  christos     default:
   3297   1.1  christos       done = dyn_i->got_done;
   3298   1.1  christos       dyn_i->got_done = true;
   3299   1.1  christos       got_offset = dyn_i->got_offset;
   3300   1.1  christos       break;
   3301   1.1  christos     }
   3302   1.1  christos 
   3303   1.1  christos   BFD_ASSERT ((got_offset & 7) == 0);
   3304   1.1  christos 
   3305   1.3  christos   if (! done)
   3306   1.1  christos     {
   3307   1.8  christos       /* Store the target address in the linkage table entry.  */
   3308   1.1  christos       bfd_put_64 (abfd, value, got_sec->contents + got_offset);
   3309   1.1  christos 
   3310   1.1  christos       /* Install a dynamic relocation if needed.  */
   3311   1.6  christos       if (((bfd_link_pic (info)
   3312   1.1  christos 	    && (!dyn_i->h
   3313   1.1  christos 		|| ELF_ST_VISIBILITY (dyn_i->h->other) == STV_DEFAULT
   3314   1.1  christos 		|| dyn_i->h->root.type != bfd_link_hash_undefweak)
   3315   1.1  christos 	    && dyn_r_type != R_IA64_DTPREL32LSB
   3316   1.3  christos 	    && dyn_r_type != R_IA64_DTPREL64LSB)
   3317   1.1  christos 	   || elfNN_ia64_dynamic_symbol_p (dyn_i->h, info, dyn_r_type)
   3318   1.1  christos 	   || (dynindx != -1
   3319   1.1  christos 	       && (dyn_r_type == R_IA64_FPTR32LSB
   3320   1.1  christos 		   || dyn_r_type == R_IA64_FPTR64LSB)))
   3321   1.1  christos 	  && (!dyn_i->want_ltoff_fptr
   3322   1.1  christos 	      || !bfd_link_pie (info)
   3323   1.1  christos 	      || !dyn_i->h
   3324   1.1  christos 	      || dyn_i->h->root.type != bfd_link_hash_undefweak))
   3325   1.1  christos 	{
   3326   1.1  christos 	  if (dynindx == -1
   3327   1.1  christos 	      && dyn_r_type != R_IA64_TPREL64LSB
   3328   1.1  christos 	      && dyn_r_type != R_IA64_DTPMOD64LSB
   3329   1.1  christos 	      && dyn_r_type != R_IA64_DTPREL32LSB
   3330   1.1  christos 	      && dyn_r_type != R_IA64_DTPREL64LSB)
   3331   1.1  christos 	    {
   3332   1.1  christos 	      dyn_r_type = R_IA64_RELNNLSB;
   3333   1.1  christos 	      dynindx = 0;
   3334   1.1  christos 	      addend = value;
   3335   1.1  christos 	    }
   3336   1.1  christos 
   3337   1.1  christos 	  if (bfd_big_endian (abfd))
   3338   1.1  christos 	    {
   3339   1.1  christos 	      switch (dyn_r_type)
   3340   1.1  christos 		{
   3341   1.1  christos 		case R_IA64_REL32LSB:
   3342   1.1  christos 		  dyn_r_type = R_IA64_REL32MSB;
   3343   1.1  christos 		  break;
   3344   1.1  christos 		case R_IA64_DIR32LSB:
   3345   1.1  christos 		  dyn_r_type = R_IA64_DIR32MSB;
   3346   1.1  christos 		  break;
   3347   1.1  christos 		case R_IA64_FPTR32LSB:
   3348   1.1  christos 		  dyn_r_type = R_IA64_FPTR32MSB;
   3349   1.1  christos 		  break;
   3350   1.1  christos 		case R_IA64_DTPREL32LSB:
   3351   1.1  christos 		  dyn_r_type = R_IA64_DTPREL32MSB;
   3352   1.1  christos 		  break;
   3353   1.1  christos 		case R_IA64_REL64LSB:
   3354   1.1  christos 		  dyn_r_type = R_IA64_REL64MSB;
   3355   1.1  christos 		  break;
   3356   1.1  christos 		case R_IA64_DIR64LSB:
   3357   1.1  christos 		  dyn_r_type = R_IA64_DIR64MSB;
   3358   1.1  christos 		  break;
   3359   1.1  christos 		case R_IA64_FPTR64LSB:
   3360   1.1  christos 		  dyn_r_type = R_IA64_FPTR64MSB;
   3361   1.1  christos 		  break;
   3362   1.1  christos 		case R_IA64_TPREL64LSB:
   3363   1.1  christos 		  dyn_r_type = R_IA64_TPREL64MSB;
   3364   1.1  christos 		  break;
   3365   1.1  christos 		case R_IA64_DTPMOD64LSB:
   3366   1.8  christos 		  dyn_r_type = R_IA64_DTPMOD64MSB;
   3367   1.1  christos 		  break;
   3368   1.1  christos 		case R_IA64_DTPREL64LSB:
   3369   1.1  christos 		  dyn_r_type = R_IA64_DTPREL64MSB;
   3370   1.1  christos 		  break;
   3371   1.1  christos 		default:
   3372   1.1  christos 		  BFD_ASSERT (false);
   3373   1.1  christos 		  break;
   3374   1.1  christos 		}
   3375   1.1  christos 	    }
   3376   1.1  christos 
   3377   1.1  christos 	  elfNN_ia64_install_dyn_reloc (abfd, NULL, got_sec,
   3378   1.1  christos 					ia64_info->root.srelgot,
   3379   1.1  christos 					got_offset, dyn_r_type,
   3380   1.1  christos 					dynindx, addend);
   3381   1.1  christos 	}
   3382   1.1  christos     }
   3383   1.1  christos 
   3384   1.1  christos   /* Return the address of the linkage table entry.  */
   3385   1.1  christos   value = (got_sec->output_section->vma
   3386   1.1  christos 	   + got_sec->output_offset
   3387   1.1  christos 	   + got_offset);
   3388   1.1  christos 
   3389   1.1  christos   return value;
   3390   1.1  christos }
   3391   1.1  christos 
   3392   1.1  christos /* Fill in a function descriptor consisting of the function's code
   3393   1.1  christos    address and its global pointer.  Return the descriptor's address.  */
   3394   1.1  christos 
   3395   1.1  christos static bfd_vma
   3396   1.1  christos set_fptr_entry (bfd *abfd, struct bfd_link_info *info,
   3397   1.1  christos 		struct elfNN_ia64_dyn_sym_info *dyn_i,
   3398   1.1  christos 		bfd_vma value)
   3399   1.1  christos {
   3400   1.1  christos   struct elfNN_ia64_link_hash_table *ia64_info;
   3401   1.1  christos   asection *fptr_sec;
   3402   1.1  christos 
   3403   1.1  christos   ia64_info = elfNN_ia64_hash_table (info);
   3404   1.1  christos   if (ia64_info == NULL)
   3405   1.1  christos     return 0;
   3406   1.1  christos 
   3407   1.1  christos   fptr_sec = ia64_info->fptr_sec;
   3408   1.1  christos 
   3409   1.1  christos   if (!dyn_i->fptr_done)
   3410   1.1  christos     {
   3411   1.1  christos       dyn_i->fptr_done = 1;
   3412   1.1  christos 
   3413   1.1  christos       /* Fill in the function descriptor.  */
   3414   1.1  christos       bfd_put_64 (abfd, value, fptr_sec->contents + dyn_i->fptr_offset);
   3415   1.1  christos       bfd_put_64 (abfd, _bfd_get_gp_value (abfd),
   3416   1.1  christos 		  fptr_sec->contents + dyn_i->fptr_offset + 8);
   3417   1.1  christos       if (ia64_info->rel_fptr_sec)
   3418   1.1  christos 	{
   3419   1.1  christos 	  Elf_Internal_Rela outrel;
   3420   1.1  christos 	  bfd_byte *loc;
   3421   1.1  christos 
   3422   1.1  christos 	  if (bfd_little_endian (abfd))
   3423   1.1  christos 	    outrel.r_info = ELFNN_R_INFO (0, R_IA64_IPLTLSB);
   3424   1.1  christos 	  else
   3425   1.1  christos 	    outrel.r_info = ELFNN_R_INFO (0, R_IA64_IPLTMSB);
   3426   1.1  christos 	  outrel.r_addend = value;
   3427   1.1  christos 	  outrel.r_offset = (fptr_sec->output_section->vma
   3428   1.1  christos 			     + fptr_sec->output_offset
   3429   1.1  christos 			     + dyn_i->fptr_offset);
   3430   1.1  christos 	  loc = ia64_info->rel_fptr_sec->contents;
   3431   1.1  christos 	  loc += ia64_info->rel_fptr_sec->reloc_count++
   3432   1.1  christos 		 * sizeof (ElfNN_External_Rela);
   3433   1.1  christos 	  bfd_elfNN_swap_reloca_out (abfd, &outrel, loc);
   3434   1.1  christos 	}
   3435   1.1  christos     }
   3436   1.1  christos 
   3437   1.1  christos   /* Return the descriptor's address.  */
   3438   1.1  christos   value = (fptr_sec->output_section->vma
   3439   1.1  christos 	   + fptr_sec->output_offset
   3440   1.1  christos 	   + dyn_i->fptr_offset);
   3441   1.1  christos 
   3442   1.1  christos   return value;
   3443   1.1  christos }
   3444   1.1  christos 
   3445   1.8  christos /* Fill in a PLTOFF entry consisting of the function's code address
   3446   1.1  christos    and its global pointer.  Return the descriptor's address.  */
   3447   1.1  christos 
   3448   1.1  christos static bfd_vma
   3449   1.1  christos set_pltoff_entry (bfd *abfd, struct bfd_link_info *info,
   3450   1.1  christos 		  struct elfNN_ia64_dyn_sym_info *dyn_i,
   3451   1.1  christos 		  bfd_vma value, bool is_plt)
   3452   1.1  christos {
   3453   1.1  christos   struct elfNN_ia64_link_hash_table *ia64_info;
   3454   1.1  christos   asection *pltoff_sec;
   3455   1.1  christos 
   3456   1.1  christos   ia64_info = elfNN_ia64_hash_table (info);
   3457   1.1  christos   if (ia64_info == NULL)
   3458   1.1  christos     return 0;
   3459   1.1  christos 
   3460   1.1  christos   pltoff_sec = ia64_info->pltoff_sec;
   3461   1.1  christos 
   3462   1.1  christos   /* Don't do anything if this symbol uses a real PLT entry.  In
   3463   1.1  christos      that case, we'll fill this in during finish_dynamic_symbol.  */
   3464   1.1  christos   if ((! dyn_i->want_plt || is_plt)
   3465   1.1  christos       && !dyn_i->pltoff_done)
   3466   1.1  christos     {
   3467   1.1  christos       bfd_vma gp = _bfd_get_gp_value (abfd);
   3468   1.1  christos 
   3469   1.3  christos       /* Fill in the function descriptor.  */
   3470   1.1  christos       bfd_put_64 (abfd, value, pltoff_sec->contents + dyn_i->pltoff_offset);
   3471   1.8  christos       bfd_put_64 (abfd, gp, pltoff_sec->contents + dyn_i->pltoff_offset + 8);
   3472   1.1  christos 
   3473   1.1  christos       /* Install dynamic relocations if needed.  */
   3474   1.1  christos       if (!is_plt
   3475   1.1  christos 	  && bfd_link_pic (info)
   3476   1.1  christos 	  && (!dyn_i->h
   3477   1.1  christos 	      || ELF_ST_VISIBILITY (dyn_i->h->other) == STV_DEFAULT
   3478   1.1  christos 	      || dyn_i->h->root.type != bfd_link_hash_undefweak))
   3479   1.1  christos 	{
   3480   1.1  christos 	  unsigned int dyn_r_type;
   3481   1.1  christos 
   3482   1.1  christos 	  if (bfd_big_endian (abfd))
   3483   1.1  christos 	    dyn_r_type = R_IA64_RELNNMSB;
   3484   1.1  christos 	  else
   3485   1.1  christos 	    dyn_r_type = R_IA64_RELNNLSB;
   3486   1.1  christos 
   3487   1.1  christos 	  elfNN_ia64_install_dyn_reloc (abfd, NULL, pltoff_sec,
   3488   1.1  christos 					ia64_info->rel_pltoff_sec,
   3489   1.1  christos 					dyn_i->pltoff_offset,
   3490   1.1  christos 					dyn_r_type, 0, value);
   3491   1.1  christos 	  elfNN_ia64_install_dyn_reloc (abfd, NULL, pltoff_sec,
   3492   1.1  christos 					ia64_info->rel_pltoff_sec,
   3493   1.1  christos 					dyn_i->pltoff_offset + ARCH_SIZE / 8,
   3494   1.1  christos 					dyn_r_type, 0, gp);
   3495   1.1  christos 	}
   3496   1.1  christos 
   3497   1.1  christos       dyn_i->pltoff_done = 1;
   3498   1.1  christos     }
   3499   1.1  christos 
   3500   1.1  christos   /* Return the descriptor's address.  */
   3501   1.1  christos   value = (pltoff_sec->output_section->vma
   3502   1.1  christos 	   + pltoff_sec->output_offset
   3503   1.1  christos 	   + dyn_i->pltoff_offset);
   3504   1.1  christos 
   3505   1.1  christos   return value;
   3506   1.1  christos }
   3507   1.1  christos 
   3508   1.1  christos /* Return the base VMA address which should be subtracted from real addresses
   3509   1.1  christos    when resolving @tprel() relocation.
   3510   1.1  christos    Main program TLS (whose template starts at PT_TLS p_vaddr)
   3511   1.1  christos    is assigned offset round(2 * size of pointer, PT_TLS p_align).  */
   3512   1.1  christos 
   3513   1.1  christos static bfd_vma
   3514   1.1  christos elfNN_ia64_tprel_base (struct bfd_link_info *info)
   3515   1.1  christos {
   3516   1.1  christos   asection *tls_sec = elf_hash_table (info)->tls_sec;
   3517   1.1  christos   return tls_sec->vma - align_power ((bfd_vma) ARCH_SIZE / 4,
   3518   1.1  christos 				     tls_sec->alignment_power);
   3519   1.1  christos }
   3520   1.1  christos 
   3521   1.1  christos /* Return the base VMA address which should be subtracted from real addresses
   3522   1.1  christos    when resolving @dtprel() relocation.
   3523   1.1  christos    This is PT_TLS segment p_vaddr.  */
   3524   1.1  christos 
   3525   1.1  christos static bfd_vma
   3526   1.1  christos elfNN_ia64_dtprel_base (struct bfd_link_info *info)
   3527   1.1  christos {
   3528   1.1  christos   return elf_hash_table (info)->tls_sec->vma;
   3529   1.1  christos }
   3530   1.1  christos 
   3531   1.1  christos /* Called through qsort to sort the .IA_64.unwind section during a
   3532   1.1  christos    non-relocatable link.  Set elfNN_ia64_unwind_entry_compare_bfd
   3533   1.1  christos    to the output bfd so we can do proper endianness frobbing.  */
   3534   1.1  christos 
   3535   1.1  christos static bfd *elfNN_ia64_unwind_entry_compare_bfd;
   3536   1.1  christos 
   3537   1.1  christos static int
   3538   1.1  christos elfNN_ia64_unwind_entry_compare (const void * a, const void * b)
   3539   1.1  christos {
   3540   1.1  christos   bfd_vma av, bv;
   3541   1.1  christos 
   3542   1.1  christos   av = bfd_get_64 (elfNN_ia64_unwind_entry_compare_bfd, a);
   3543   1.8  christos   bv = bfd_get_64 (elfNN_ia64_unwind_entry_compare_bfd, b);
   3544   1.8  christos 
   3545   1.1  christos   return (av < bv ? -1 : av > bv ? 1 : 0);
   3546   1.1  christos }
   3547   1.1  christos 
   3548   1.1  christos /* Make sure we've got ourselves a nice fat __gp value.  */
   3549   1.1  christos static bool
   3550   1.1  christos elfNN_ia64_choose_gp (bfd *abfd, struct bfd_link_info *info, bool final)
   3551   1.1  christos {
   3552   1.1  christos   bfd_vma min_vma = (bfd_vma) -1, max_vma = 0;
   3553   1.1  christos   bfd_vma min_short_vma = min_vma, max_short_vma = 0;
   3554   1.1  christos   struct elf_link_hash_entry *gp;
   3555   1.8  christos   bfd_vma gp_val;
   3556   1.1  christos   asection *os;
   3557   1.1  christos   struct elfNN_ia64_link_hash_table *ia64_info;
   3558   1.1  christos 
   3559   1.1  christos   ia64_info = elfNN_ia64_hash_table (info);
   3560   1.1  christos   if (ia64_info == NULL)
   3561   1.1  christos     return false;
   3562   1.1  christos 
   3563   1.1  christos   /* Find the min and max vma of all sections marked short.  Also collect
   3564   1.1  christos      min and max vma of any type, for use in selecting a nice gp.  */
   3565   1.1  christos   for (os = abfd->sections; os ; os = os->next)
   3566   1.1  christos     {
   3567   1.1  christos       bfd_vma lo, hi;
   3568   1.1  christos 
   3569   1.1  christos       if ((os->flags & SEC_ALLOC) == 0)
   3570   1.1  christos 	continue;
   3571   1.1  christos 
   3572   1.1  christos       lo = os->vma;
   3573   1.1  christos       /* When this function is called from elfNN_ia64_final_link
   3574   1.1  christos 	 the correct value to use is os->size.  When called from
   3575   1.1  christos 	 elfNN_ia64_relax_section we are in the middle of section
   3576   1.1  christos 	 sizing; some sections will already have os->size set, others
   3577   1.1  christos 	 will have os->size zero and os->rawsize the previous size.  */
   3578   1.1  christos       hi = os->vma + (!final && os->rawsize ? os->rawsize : os->size);
   3579   1.1  christos       if (hi < lo)
   3580   1.1  christos 	hi = (bfd_vma) -1;
   3581   1.1  christos 
   3582   1.1  christos       if (min_vma > lo)
   3583   1.1  christos 	min_vma = lo;
   3584   1.1  christos       if (max_vma < hi)
   3585   1.1  christos 	max_vma = hi;
   3586   1.1  christos       if (os->flags & SEC_SMALL_DATA)
   3587   1.1  christos 	{
   3588   1.1  christos 	  if (min_short_vma > lo)
   3589   1.1  christos 	    min_short_vma = lo;
   3590   1.1  christos 	  if (max_short_vma < hi)
   3591   1.1  christos 	    max_short_vma = hi;
   3592   1.1  christos 	}
   3593   1.1  christos     }
   3594   1.1  christos 
   3595   1.1  christos   if (ia64_info->min_short_sec)
   3596   1.1  christos     {
   3597   1.1  christos       if (min_short_vma
   3598   1.1  christos 	  > (ia64_info->min_short_sec->vma
   3599   1.1  christos 	     + ia64_info->min_short_offset))
   3600   1.1  christos 	min_short_vma = (ia64_info->min_short_sec->vma
   3601   1.1  christos 			 + ia64_info->min_short_offset);
   3602   1.1  christos       if (max_short_vma
   3603   1.1  christos 	  < (ia64_info->max_short_sec->vma
   3604   1.8  christos 	     + ia64_info->max_short_offset))
   3605   1.8  christos 	max_short_vma = (ia64_info->max_short_sec->vma
   3606   1.1  christos 			 + ia64_info->max_short_offset);
   3607   1.1  christos     }
   3608   1.1  christos 
   3609   1.1  christos   /* See if the user wants to force a value.  */
   3610   1.1  christos   gp = elf_link_hash_lookup (elf_hash_table (info), "__gp", false,
   3611   1.1  christos 			     false, false);
   3612   1.1  christos 
   3613   1.1  christos   if (gp
   3614   1.1  christos       && (gp->root.type == bfd_link_hash_defined
   3615   1.1  christos 	  || gp->root.type == bfd_link_hash_defweak))
   3616   1.1  christos     {
   3617   1.1  christos       asection *gp_sec = gp->root.u.def.section;
   3618   1.1  christos       gp_val = (gp->root.u.def.value
   3619   1.1  christos 		+ gp_sec->output_section->vma
   3620   1.1  christos 		+ gp_sec->output_offset);
   3621   1.1  christos     }
   3622   1.1  christos   else
   3623   1.1  christos     {
   3624   1.1  christos       /* Pick a sensible value.  */
   3625   1.1  christos 
   3626   1.1  christos       if (ia64_info->min_short_sec)
   3627   1.1  christos 	{
   3628   1.1  christos 	  bfd_vma short_range = max_short_vma - min_short_vma;
   3629   1.1  christos 
   3630   1.1  christos 	  /* If min_short_sec is set, pick one in the middle bewteen
   3631   1.1  christos 	     min_short_vma and max_short_vma.  */
   3632   1.1  christos 	  if (short_range >= 0x400000)
   3633   1.1  christos 	    goto overflow;
   3634   1.1  christos 	  gp_val = min_short_vma + short_range / 2;
   3635   1.1  christos 	}
   3636   1.1  christos       else
   3637   1.1  christos 	{
   3638   1.1  christos 	  asection *got_sec = ia64_info->root.sgot;
   3639   1.1  christos 
   3640   1.1  christos 	  /* Start with just the address of the .got.  */
   3641   1.1  christos 	  if (got_sec)
   3642   1.1  christos 	    gp_val = got_sec->output_section->vma;
   3643   1.1  christos 	  else if (max_short_vma != 0)
   3644   1.1  christos 	    gp_val = min_short_vma;
   3645   1.1  christos 	  else if (max_vma - min_vma < 0x200000)
   3646   1.1  christos 	    gp_val = min_vma;
   3647   1.1  christos 	  else
   3648   1.1  christos 	    gp_val = max_vma - 0x200000 + 8;
   3649   1.1  christos 	}
   3650   1.1  christos 
   3651   1.1  christos       /* If it is possible to address the entire image, but we
   3652   1.1  christos 	 don't with the choice above, adjust.  */
   3653   1.1  christos       if (max_vma - min_vma < 0x400000
   3654   1.1  christos 	  && (max_vma - gp_val >= 0x200000
   3655   1.1  christos 	      || gp_val - min_vma > 0x200000))
   3656   1.1  christos 	gp_val = min_vma + 0x200000;
   3657   1.1  christos       else if (max_short_vma != 0)
   3658   1.1  christos 	{
   3659   1.1  christos 	  /* If we don't cover all the short data, adjust.  */
   3660   1.1  christos 	  if (max_short_vma - gp_val >= 0x200000)
   3661   1.1  christos 	    gp_val = min_short_vma + 0x200000;
   3662   1.1  christos 
   3663   1.1  christos 	  /* If we're addressing stuff past the end, adjust back.  */
   3664   1.1  christos 	  if (gp_val > max_vma)
   3665   1.1  christos 	    gp_val = max_vma - 0x200000 + 8;
   3666   1.1  christos 	}
   3667   1.1  christos     }
   3668   1.1  christos 
   3669   1.1  christos   /* Validate whether all SHF_IA_64_SHORT sections are within
   3670   1.8  christos      range of the chosen GP.  */
   3671   1.6  christos 
   3672   1.6  christos   if (max_short_vma != 0)
   3673   1.6  christos     {
   3674   1.6  christos       if (max_short_vma - min_short_vma >= 0x400000)
   3675   1.8  christos 	{
   3676   1.1  christos 	overflow:
   3677   1.1  christos 	  _bfd_error_handler
   3678   1.1  christos 	    /* xgettext:c-format */
   3679   1.1  christos 	    (_("%pB: short data segment overflowed (%#" PRIx64 " >= 0x400000)"),
   3680   1.1  christos 	     abfd, (uint64_t) (max_short_vma - min_short_vma));
   3681   1.1  christos 	  return false;
   3682   1.6  christos 	}
   3683   1.6  christos       else if ((gp_val > min_short_vma
   3684   1.8  christos 		&& gp_val - min_short_vma > 0x200000)
   3685   1.1  christos 	       || (gp_val < max_short_vma
   3686   1.1  christos 		   && max_short_vma - gp_val >= 0x200000))
   3687   1.1  christos 	{
   3688   1.1  christos 	  _bfd_error_handler
   3689   1.1  christos 	    (_("%pB: __gp does not cover short data segment"), abfd);
   3690   1.8  christos 	  return false;
   3691   1.1  christos 	}
   3692   1.1  christos     }
   3693   1.8  christos 
   3694   1.1  christos   _bfd_set_gp_value (abfd, gp_val);
   3695   1.1  christos 
   3696   1.1  christos   return true;
   3697   1.1  christos }
   3698   1.1  christos 
   3699   1.1  christos static bool
   3700   1.1  christos elfNN_ia64_final_link (bfd *abfd, struct bfd_link_info *info)
   3701   1.8  christos {
   3702   1.1  christos   struct elfNN_ia64_link_hash_table *ia64_info;
   3703   1.1  christos   asection *unwind_output_sec;
   3704   1.3  christos 
   3705   1.1  christos   ia64_info = elfNN_ia64_hash_table (info);
   3706   1.1  christos   if (ia64_info == NULL)
   3707   1.1  christos     return false;
   3708   1.1  christos 
   3709   1.1  christos   /* Make sure we've got ourselves a nice fat __gp value.  */
   3710   1.1  christos   if (!bfd_link_relocatable (info))
   3711   1.1  christos     {
   3712   1.8  christos       bfd_vma gp_val;
   3713   1.8  christos       struct elf_link_hash_entry *gp;
   3714   1.1  christos 
   3715   1.1  christos       /* We assume after gp is set, section size will only decrease. We
   3716   1.8  christos 	 need to adjust gp for it.  */
   3717   1.8  christos       _bfd_set_gp_value (abfd, 0);
   3718   1.1  christos       if (! elfNN_ia64_choose_gp (abfd, info, true))
   3719   1.1  christos 	return false;
   3720   1.1  christos       gp_val = _bfd_get_gp_value (abfd);
   3721   1.1  christos 
   3722   1.1  christos       gp = elf_link_hash_lookup (elf_hash_table (info), "__gp", false,
   3723   1.1  christos 				 false, false);
   3724   1.1  christos       if (gp)
   3725   1.1  christos 	{
   3726   1.1  christos 	  gp->root.type = bfd_link_hash_defined;
   3727   1.1  christos 	  gp->root.u.def.value = gp_val;
   3728   1.1  christos 	  gp->root.u.def.section = bfd_abs_section_ptr;
   3729   1.1  christos 	}
   3730   1.3  christos     }
   3731   1.1  christos 
   3732   1.1  christos   /* If we're producing a final executable, we need to sort the contents
   3733   1.1  christos      of the .IA_64.unwind section.  Force this section to be relocated
   3734   1.1  christos      into memory rather than written immediately to the output file.  */
   3735   1.1  christos   unwind_output_sec = NULL;
   3736   1.1  christos   if (!bfd_link_relocatable (info))
   3737   1.1  christos     {
   3738   1.1  christos       asection *s = bfd_get_section_by_name (abfd, ELF_STRING_ia64_unwind);
   3739   1.8  christos       if (s)
   3740   1.1  christos 	{
   3741   1.1  christos 	  unwind_output_sec = s->output_section;
   3742   1.1  christos 	  unwind_output_sec->contents
   3743   1.1  christos 	    = bfd_malloc (unwind_output_sec->size);
   3744   1.1  christos 	  if (unwind_output_sec->contents == NULL)
   3745   1.8  christos 	    return false;
   3746   1.1  christos 	}
   3747   1.1  christos     }
   3748   1.1  christos 
   3749   1.1  christos   /* Invoke the regular ELF backend linker to do all the work.  */
   3750   1.1  christos   if (!bfd_elf_final_link (abfd, info))
   3751   1.1  christos     return false;
   3752   1.1  christos 
   3753   1.1  christos   if (unwind_output_sec)
   3754   1.1  christos     {
   3755   1.1  christos       elfNN_ia64_unwind_entry_compare_bfd = abfd;
   3756   1.1  christos       qsort (unwind_output_sec->contents,
   3757   1.1  christos 	     (size_t) (unwind_output_sec->size / 24),
   3758   1.8  christos 	     24,
   3759   1.1  christos 	     elfNN_ia64_unwind_entry_compare);
   3760   1.1  christos 
   3761   1.8  christos       if (! bfd_set_section_contents (abfd, unwind_output_sec,
   3762   1.1  christos 				      unwind_output_sec->contents, (bfd_vma) 0,
   3763   1.1  christos 				      unwind_output_sec->size))
   3764   1.8  christos 	return false;
   3765   1.1  christos     }
   3766   1.1  christos 
   3767   1.1  christos   return true;
   3768   1.1  christos }
   3769   1.1  christos 
   3770   1.1  christos static int
   3771   1.1  christos elfNN_ia64_relocate_section (bfd *output_bfd,
   3772   1.1  christos 			     struct bfd_link_info *info,
   3773   1.1  christos 			     bfd *input_bfd,
   3774   1.1  christos 			     asection *input_section,
   3775   1.1  christos 			     bfd_byte *contents,
   3776   1.1  christos 			     Elf_Internal_Rela *relocs,
   3777   1.1  christos 			     Elf_Internal_Sym *local_syms,
   3778   1.1  christos 			     asection **local_sections)
   3779   1.8  christos {
   3780   1.1  christos   struct elfNN_ia64_link_hash_table *ia64_info;
   3781   1.1  christos   Elf_Internal_Shdr *symtab_hdr;
   3782   1.1  christos   Elf_Internal_Rela *rel;
   3783   1.1  christos   Elf_Internal_Rela *relend;
   3784   1.1  christos   asection *srel;
   3785   1.8  christos   bool ret_val = true;	/* for non-fatal errors */
   3786   1.1  christos   bfd_vma gp_val;
   3787   1.1  christos 
   3788   1.3  christos   symtab_hdr = &elf_tdata (input_bfd)->symtab_hdr;
   3789   1.1  christos   ia64_info = elfNN_ia64_hash_table (info);
   3790   1.1  christos   if (ia64_info == NULL)
   3791   1.1  christos     return false;
   3792   1.1  christos 
   3793   1.1  christos   /* Infect various flags from the input section to the output section.  */
   3794   1.1  christos   if (bfd_link_relocatable (info))
   3795   1.1  christos     {
   3796   1.1  christos       bfd_vma flags;
   3797   1.1  christos 
   3798   1.1  christos       flags = elf_section_data(input_section)->this_hdr.sh_flags;
   3799   1.1  christos       flags &= SHF_IA_64_NORECOV;
   3800   1.8  christos 
   3801   1.1  christos       elf_section_data(input_section->output_section)
   3802   1.1  christos 	->this_hdr.sh_flags |= flags;
   3803   1.1  christos     }
   3804   1.1  christos 
   3805   1.1  christos   gp_val = _bfd_get_gp_value (output_bfd);
   3806   1.1  christos   srel = get_reloc_section (input_bfd, ia64_info, input_section, false);
   3807   1.1  christos 
   3808   1.1  christos   rel = relocs;
   3809   1.1  christos   relend = relocs + input_section->reloc_count;
   3810   1.1  christos   for (; rel < relend; ++rel)
   3811   1.1  christos     {
   3812   1.1  christos       struct elf_link_hash_entry *h;
   3813   1.1  christos       struct elfNN_ia64_dyn_sym_info *dyn_i;
   3814   1.1  christos       bfd_reloc_status_type r;
   3815   1.1  christos       reloc_howto_type *howto;
   3816   1.8  christos       unsigned long r_symndx;
   3817   1.8  christos       Elf_Internal_Sym *sym;
   3818   1.1  christos       unsigned int r_type;
   3819   1.1  christos       bfd_vma value;
   3820   1.1  christos       asection *sym_sec;
   3821   1.1  christos       bfd_byte *hit_addr;
   3822   1.6  christos       bool dynamic_symbol_p;
   3823   1.6  christos       bool undef_weak_ref;
   3824   1.6  christos 
   3825   1.1  christos       r_type = ELFNN_R_TYPE (rel->r_info);
   3826   1.8  christos       if (r_type > R_IA64_MAX_RELOC_CODE)
   3827   1.1  christos 	{
   3828   1.1  christos 	  /* xgettext:c-format */
   3829   1.1  christos 	  _bfd_error_handler (_("%pB: unsupported relocation type %#x"),
   3830   1.1  christos 			      input_bfd, (int) r_type);
   3831   1.6  christos 	  bfd_set_error (bfd_error_bad_value);
   3832   1.6  christos 	  ret_val = false;
   3833   1.8  christos 	  continue;
   3834   1.6  christos 	}
   3835   1.6  christos 
   3836   1.7  christos       howto = ia64_elf_lookup_howto (r_type);
   3837   1.1  christos       if (howto == NULL)
   3838   1.1  christos 	{
   3839   1.1  christos 	  ret_val = false;
   3840   1.1  christos 	  continue;
   3841   1.8  christos 	}
   3842   1.1  christos 
   3843   1.1  christos       r_symndx = ELFNN_R_SYM (rel->r_info);
   3844   1.1  christos       h = NULL;
   3845   1.1  christos       sym = NULL;
   3846   1.1  christos       sym_sec = NULL;
   3847   1.1  christos       undef_weak_ref = false;
   3848   1.1  christos 
   3849   1.1  christos       if (r_symndx < symtab_hdr->sh_info)
   3850   1.1  christos 	{
   3851   1.3  christos 	  /* Reloc against local symbol.  */
   3852   1.1  christos 	  asection *msec;
   3853   1.1  christos 	  sym = local_syms + r_symndx;
   3854   1.1  christos 	  sym_sec = local_sections[r_symndx];
   3855   1.1  christos 	  msec = sym_sec;
   3856   1.1  christos 	  value = _bfd_elf_rela_local_sym (output_bfd, sym, &msec, rel);
   3857   1.1  christos 	  if (!bfd_link_relocatable (info)
   3858   1.8  christos 	      && (sym_sec->flags & SEC_MERGE) != 0
   3859   1.1  christos 	      && ELF_ST_TYPE (sym->st_info) == STT_SECTION
   3860   1.1  christos 	      && sym_sec->sec_info_type == SEC_INFO_TYPE_MERGE)
   3861   1.1  christos 	    {
   3862   1.1  christos 	      struct elfNN_ia64_local_hash_entry *loc_h;
   3863   1.1  christos 
   3864   1.1  christos 	      loc_h = get_local_sym_hash (ia64_info, input_bfd, rel, false);
   3865   1.1  christos 	      if (loc_h && ! loc_h->sec_merge_done)
   3866   1.1  christos 		{
   3867   1.1  christos 		  struct elfNN_ia64_dyn_sym_info *dynent;
   3868   1.1  christos 		  unsigned int count;
   3869   1.1  christos 
   3870   1.1  christos 		  for (count = loc_h->count, dynent = loc_h->info;
   3871   1.1  christos 		       count != 0;
   3872   1.1  christos 		       count--, dynent++)
   3873   1.1  christos 		    {
   3874   1.1  christos 		      msec = sym_sec;
   3875   1.1  christos 		      dynent->addend =
   3876   1.1  christos 			_bfd_merged_section_offset (output_bfd, &msec,
   3877   1.1  christos 						    elf_section_data (msec)->
   3878   1.1  christos 						    sec_info,
   3879   1.1  christos 						    sym->st_value
   3880   1.1  christos 						    + dynent->addend);
   3881   1.1  christos 		      dynent->addend -= sym->st_value;
   3882   1.1  christos 		      dynent->addend += msec->output_section->vma
   3883   1.1  christos 					+ msec->output_offset
   3884   1.1  christos 					- sym_sec->output_section->vma
   3885   1.1  christos 					- sym_sec->output_offset;
   3886   1.1  christos 		    }
   3887   1.1  christos 
   3888   1.1  christos 		  /* We may have introduced duplicated entries. We need
   3889   1.1  christos 		     to remove them properly.  */
   3890   1.1  christos 		  count = sort_dyn_sym_info (loc_h->info, loc_h->count);
   3891   1.1  christos 		  if (count != loc_h->count)
   3892   1.1  christos 		    {
   3893   1.1  christos 		      loc_h->count = count;
   3894   1.1  christos 		      loc_h->sorted_count = count;
   3895   1.1  christos 		    }
   3896   1.1  christos 
   3897   1.8  christos 		  loc_h->sec_merge_done = 1;
   3898   1.8  christos 		}
   3899   1.1  christos 	    }
   3900   1.1  christos 	}
   3901   1.1  christos       else
   3902   1.1  christos 	{
   3903   1.1  christos 	  bool unresolved_reloc;
   3904   1.3  christos 	  bool warned, ignored;
   3905   1.1  christos 	  struct elf_link_hash_entry **sym_hashes = elf_sym_hashes (input_bfd);
   3906   1.1  christos 
   3907   1.8  christos 	  RELOC_FOR_GLOBAL_SYMBOL (info, input_bfd, input_section, rel,
   3908   1.3  christos 				   r_symndx, symtab_hdr, sym_hashes,
   3909   1.1  christos 				   h, sym_sec, value,
   3910   1.1  christos 				   unresolved_reloc, warned, ignored);
   3911   1.1  christos 
   3912   1.1  christos 	  if (h->root.type == bfd_link_hash_undefweak)
   3913   1.1  christos 	    undef_weak_ref = true;
   3914   1.1  christos 	  else if (warned || (ignored && bfd_link_executable (info)))
   3915   1.1  christos 	    continue;
   3916   1.3  christos 	}
   3917   1.1  christos 
   3918   1.1  christos       if (sym_sec != NULL && discarded_section (sym_sec))
   3919   1.1  christos 	RELOC_AGAINST_DISCARDED_SECTION (info, input_bfd, input_section,
   3920   1.1  christos 					 rel, 1, relend, howto, 0, contents);
   3921   1.1  christos 
   3922   1.1  christos       if (bfd_link_relocatable (info))
   3923   1.1  christos 	continue;
   3924   1.1  christos 
   3925   1.1  christos       hit_addr = contents + rel->r_offset;
   3926   1.1  christos       value += rel->r_addend;
   3927   1.1  christos       dynamic_symbol_p = elfNN_ia64_dynamic_symbol_p (h, info, r_type);
   3928   1.1  christos 
   3929   1.1  christos       switch (r_type)
   3930   1.1  christos 	{
   3931   1.1  christos 	case R_IA64_NONE:
   3932   1.1  christos 	case R_IA64_LDXMOV:
   3933   1.1  christos 	  continue;
   3934   1.1  christos 
   3935   1.1  christos 	case R_IA64_IMM14:
   3936   1.1  christos 	case R_IA64_IMM22:
   3937   1.3  christos 	case R_IA64_IMM64:
   3938   1.1  christos 	case R_IA64_DIR32MSB:
   3939   1.1  christos 	case R_IA64_DIR32LSB:
   3940   1.1  christos 	case R_IA64_DIR64MSB:
   3941   1.1  christos 	case R_IA64_DIR64LSB:
   3942   1.1  christos 	  /* Install a dynamic relocation for this reloc.  */
   3943   1.1  christos 	  if ((dynamic_symbol_p || bfd_link_pic (info))
   3944   1.1  christos 	      && r_symndx != STN_UNDEF
   3945   1.1  christos 	      && (input_section->flags & SEC_ALLOC) != 0)
   3946   1.1  christos 	    {
   3947   1.1  christos 	      unsigned int dyn_r_type;
   3948   1.1  christos 	      long dynindx;
   3949   1.1  christos 	      bfd_vma addend;
   3950   1.1  christos 
   3951   1.1  christos 	      BFD_ASSERT (srel != NULL);
   3952   1.1  christos 
   3953   1.1  christos 	      switch (r_type)
   3954   1.6  christos 		{
   3955   1.6  christos 		case R_IA64_IMM14:
   3956   1.6  christos 		case R_IA64_IMM22:
   3957   1.1  christos 		case R_IA64_IMM64:
   3958   1.1  christos 		  /* ??? People shouldn't be doing non-pic code in
   3959   1.1  christos 		     shared libraries nor dynamic executables.  */
   3960   1.1  christos 		  _bfd_error_handler
   3961   1.8  christos 		    /* xgettext:c-format */
   3962   1.1  christos 		    (_("%pB: non-pic code with imm relocation against dynamic symbol `%s'"),
   3963   1.1  christos 		     input_bfd,
   3964   1.1  christos 		     h ? h->root.root.string
   3965   1.1  christos 		       : bfd_elf_sym_name (input_bfd, symtab_hdr, sym,
   3966   1.1  christos 					   sym_sec));
   3967   1.1  christos 		  ret_val = false;
   3968   1.1  christos 		  continue;
   3969   1.1  christos 
   3970   1.1  christos 		default:
   3971   1.1  christos 		  break;
   3972   1.1  christos 		}
   3973   1.1  christos 
   3974   1.1  christos 	      /* If we don't need dynamic symbol lookup, find a
   3975   1.1  christos 		 matching RELATIVE relocation.  */
   3976   1.1  christos 	      dyn_r_type = r_type;
   3977   1.1  christos 	      if (dynamic_symbol_p)
   3978   1.1  christos 		{
   3979   1.1  christos 		  dynindx = h->dynindx;
   3980   1.1  christos 		  addend = rel->r_addend;
   3981   1.1  christos 		  value = 0;
   3982   1.1  christos 		}
   3983   1.1  christos 	      else
   3984   1.1  christos 		{
   3985   1.1  christos 		  switch (r_type)
   3986   1.1  christos 		    {
   3987   1.1  christos 		    case R_IA64_DIR32MSB:
   3988   1.1  christos 		      dyn_r_type = R_IA64_REL32MSB;
   3989   1.1  christos 		      break;
   3990   1.1  christos 		    case R_IA64_DIR32LSB:
   3991   1.1  christos 		      dyn_r_type = R_IA64_REL32LSB;
   3992   1.1  christos 		      break;
   3993   1.1  christos 		    case R_IA64_DIR64MSB:
   3994   1.1  christos 		      dyn_r_type = R_IA64_REL64MSB;
   3995   1.1  christos 		      break;
   3996   1.1  christos 		    case R_IA64_DIR64LSB:
   3997   1.1  christos 		      dyn_r_type = R_IA64_REL64LSB;
   3998   1.1  christos 		      break;
   3999   1.1  christos 
   4000   1.1  christos 		    default:
   4001   1.1  christos 		      break;
   4002   1.1  christos 		    }
   4003   1.1  christos 		  dynindx = 0;
   4004   1.1  christos 		  addend = value;
   4005   1.1  christos 		}
   4006   1.1  christos 
   4007   1.1  christos 	      elfNN_ia64_install_dyn_reloc (output_bfd, info, input_section,
   4008   1.1  christos 					    srel, rel->r_offset, dyn_r_type,
   4009   1.1  christos 					    dynindx, addend);
   4010   1.1  christos 	    }
   4011   1.1  christos 	  /* Fall through.  */
   4012   1.1  christos 
   4013   1.1  christos 	case R_IA64_LTV32MSB:
   4014   1.1  christos 	case R_IA64_LTV32LSB:
   4015   1.1  christos 	case R_IA64_LTV64MSB:
   4016   1.1  christos 	case R_IA64_LTV64LSB:
   4017   1.1  christos 	  r = ia64_elf_install_value (hit_addr, value, r_type);
   4018   1.1  christos 	  break;
   4019   1.1  christos 
   4020   1.1  christos 	case R_IA64_GPREL22:
   4021   1.1  christos 	case R_IA64_GPREL64I:
   4022   1.6  christos 	case R_IA64_GPREL32MSB:
   4023   1.6  christos 	case R_IA64_GPREL32LSB:
   4024   1.6  christos 	case R_IA64_GPREL64MSB:
   4025   1.1  christos 	case R_IA64_GPREL64LSB:
   4026   1.1  christos 	  if (dynamic_symbol_p)
   4027   1.1  christos 	    {
   4028   1.1  christos 	      _bfd_error_handler
   4029   1.8  christos 		/* xgettext:c-format */
   4030   1.1  christos 		(_("%pB: @gprel relocation against dynamic symbol %s"),
   4031   1.1  christos 		 input_bfd,
   4032   1.1  christos 		 h ? h->root.root.string
   4033   1.1  christos 		   : bfd_elf_sym_name (input_bfd, symtab_hdr, sym,
   4034   1.1  christos 				       sym_sec));
   4035   1.1  christos 	      ret_val = false;
   4036   1.1  christos 	      continue;
   4037   1.1  christos 	    }
   4038   1.1  christos 	  value -= gp_val;
   4039   1.8  christos 	  r = ia64_elf_install_value (hit_addr, value, r_type);
   4040   1.1  christos 	  break;
   4041   1.1  christos 
   4042   1.1  christos 	case R_IA64_LTOFF22:
   4043   1.1  christos 	case R_IA64_LTOFF22X:
   4044   1.1  christos 	case R_IA64_LTOFF64I:
   4045   1.1  christos 	  dyn_i = get_dyn_sym_info (ia64_info, h, input_bfd, rel, false);
   4046   1.1  christos 	  value = set_got_entry (input_bfd, info, dyn_i, (h ? h->dynindx : -1),
   4047   1.1  christos 				 rel->r_addend, value, R_IA64_DIRNNLSB);
   4048   1.1  christos 	  value -= gp_val;
   4049   1.1  christos 	  r = ia64_elf_install_value (hit_addr, value, r_type);
   4050   1.8  christos 	  break;
   4051   1.8  christos 
   4052   1.1  christos 	case R_IA64_PLTOFF22:
   4053   1.1  christos 	case R_IA64_PLTOFF64I:
   4054   1.1  christos 	case R_IA64_PLTOFF64MSB:
   4055   1.1  christos 	case R_IA64_PLTOFF64LSB:
   4056   1.1  christos 	  dyn_i = get_dyn_sym_info (ia64_info, h, input_bfd, rel, false);
   4057   1.1  christos 	  value = set_pltoff_entry (output_bfd, info, dyn_i, value, false);
   4058   1.1  christos 	  value -= gp_val;
   4059   1.1  christos 	  r = ia64_elf_install_value (hit_addr, value, r_type);
   4060   1.1  christos 	  break;
   4061   1.8  christos 
   4062   1.1  christos 	case R_IA64_FPTR64I:
   4063   1.1  christos 	case R_IA64_FPTR32MSB:
   4064   1.1  christos 	case R_IA64_FPTR32LSB:
   4065   1.1  christos 	case R_IA64_FPTR64MSB:
   4066   1.1  christos 	case R_IA64_FPTR64LSB:
   4067   1.3  christos 	  dyn_i = get_dyn_sym_info (ia64_info, h, input_bfd, rel, false);
   4068   1.1  christos 	  if (dyn_i->want_fptr)
   4069   1.1  christos 	    {
   4070   1.1  christos 	      if (!undef_weak_ref)
   4071   1.1  christos 		value = set_fptr_entry (output_bfd, info, dyn_i, value);
   4072   1.1  christos 	    }
   4073   1.1  christos 	  if (!dyn_i->want_fptr || bfd_link_pie (info))
   4074   1.1  christos 	    {
   4075   1.1  christos 	      long dynindx;
   4076   1.1  christos 	      unsigned int dyn_r_type = r_type;
   4077   1.1  christos 	      bfd_vma addend = rel->r_addend;
   4078   1.1  christos 
   4079   1.1  christos 	      /* Otherwise, we expect the dynamic linker to create
   4080   1.1  christos 		 the entry.  */
   4081   1.1  christos 
   4082   1.1  christos 	      if (dyn_i->want_fptr)
   4083   1.1  christos 		{
   4084   1.1  christos 		  if (r_type == R_IA64_FPTR64I)
   4085   1.1  christos 		    {
   4086   1.6  christos 		      /* We can't represent this without a dynamic symbol.
   4087   1.6  christos 			 Adjust the relocation to be against an output
   4088   1.1  christos 			 section symbol, which are always present in the
   4089   1.8  christos 			 dynamic symbol table.  */
   4090   1.1  christos 		      /* ??? People shouldn't be doing non-pic code in
   4091   1.1  christos 			 shared libraries.  Hork.  */
   4092   1.1  christos 		      _bfd_error_handler
   4093   1.1  christos 			(_("%pB: linking non-pic code in a position independent executable"),
   4094   1.1  christos 			 input_bfd);
   4095   1.1  christos 		      ret_val = false;
   4096   1.1  christos 		      continue;
   4097   1.1  christos 		    }
   4098   1.1  christos 		  dynindx = 0;
   4099   1.1  christos 		  addend = value;
   4100   1.1  christos 		  dyn_r_type = r_type + R_IA64_RELNNLSB - R_IA64_FPTRNNLSB;
   4101   1.1  christos 		}
   4102   1.1  christos 	      else if (h)
   4103   1.1  christos 		{
   4104   1.1  christos 		  if (h->dynindx != -1)
   4105   1.1  christos 		    dynindx = h->dynindx;
   4106   1.1  christos 		  else
   4107   1.1  christos 		    dynindx = (_bfd_elf_link_lookup_local_dynindx
   4108   1.1  christos 			       (info, h->root.u.def.section->owner,
   4109   1.1  christos 				global_sym_index (h)));
   4110   1.1  christos 		  value = 0;
   4111   1.1  christos 		}
   4112   1.1  christos 	      else
   4113   1.1  christos 		{
   4114   1.1  christos 		  dynindx = (_bfd_elf_link_lookup_local_dynindx
   4115   1.1  christos 			     (info, input_bfd, (long) r_symndx));
   4116   1.1  christos 		  value = 0;
   4117   1.1  christos 		}
   4118   1.1  christos 
   4119   1.1  christos 	      elfNN_ia64_install_dyn_reloc (output_bfd, info, input_section,
   4120   1.1  christos 					    srel, rel->r_offset, dyn_r_type,
   4121   1.1  christos 					    dynindx, addend);
   4122   1.1  christos 	    }
   4123   1.1  christos 
   4124   1.1  christos 	  r = ia64_elf_install_value (hit_addr, value, r_type);
   4125   1.1  christos 	  break;
   4126   1.1  christos 
   4127   1.1  christos 	case R_IA64_LTOFF_FPTR22:
   4128   1.1  christos 	case R_IA64_LTOFF_FPTR64I:
   4129   1.1  christos 	case R_IA64_LTOFF_FPTR32MSB:
   4130   1.8  christos 	case R_IA64_LTOFF_FPTR32LSB:
   4131   1.1  christos 	case R_IA64_LTOFF_FPTR64MSB:
   4132   1.1  christos 	case R_IA64_LTOFF_FPTR64LSB:
   4133   1.1  christos 	  {
   4134   1.6  christos 	    long dynindx;
   4135   1.6  christos 
   4136   1.1  christos 	    dyn_i = get_dyn_sym_info (ia64_info, h, input_bfd, rel, false);
   4137   1.1  christos 	    if (dyn_i->want_fptr)
   4138   1.1  christos 	      {
   4139   1.1  christos 		BFD_ASSERT (h == NULL || h->dynindx == -1);
   4140   1.6  christos 		if (!undef_weak_ref)
   4141   1.1  christos 		  value = set_fptr_entry (output_bfd, info, dyn_i, value);
   4142   1.6  christos 		dynindx = -1;
   4143   1.1  christos 	      }
   4144   1.1  christos 	    else
   4145   1.1  christos 	      {
   4146   1.1  christos 		/* Otherwise, we expect the dynamic linker to create
   4147   1.1  christos 		   the entry.  */
   4148   1.1  christos 		if (h)
   4149   1.1  christos 		  {
   4150   1.1  christos 		    if (h->dynindx != -1)
   4151   1.1  christos 		      dynindx = h->dynindx;
   4152   1.1  christos 		    else
   4153   1.1  christos 		      dynindx = (_bfd_elf_link_lookup_local_dynindx
   4154   1.1  christos 				 (info, h->root.u.def.section->owner,
   4155   1.1  christos 				  global_sym_index (h)));
   4156   1.1  christos 		  }
   4157   1.1  christos 		else
   4158   1.1  christos 		  dynindx = (_bfd_elf_link_lookup_local_dynindx
   4159   1.1  christos 			     (info, input_bfd, (long) r_symndx));
   4160   1.1  christos 		value = 0;
   4161   1.1  christos 	      }
   4162   1.1  christos 
   4163   1.1  christos 	    value = set_got_entry (output_bfd, info, dyn_i, dynindx,
   4164   1.1  christos 				   rel->r_addend, value, R_IA64_FPTRNNLSB);
   4165   1.1  christos 	    value -= gp_val;
   4166   1.1  christos 	    r = ia64_elf_install_value (hit_addr, value, r_type);
   4167   1.1  christos 	  }
   4168   1.1  christos 	  break;
   4169   1.1  christos 
   4170   1.1  christos 	case R_IA64_PCREL32MSB:
   4171   1.1  christos 	case R_IA64_PCREL32LSB:
   4172   1.1  christos 	case R_IA64_PCREL64MSB:
   4173   1.1  christos 	case R_IA64_PCREL64LSB:
   4174   1.1  christos 	  /* Install a dynamic relocation for this reloc.  */
   4175   1.1  christos 	  if (dynamic_symbol_p && r_symndx != STN_UNDEF)
   4176   1.1  christos 	    {
   4177   1.1  christos 	      BFD_ASSERT (srel != NULL);
   4178   1.1  christos 
   4179   1.1  christos 	      elfNN_ia64_install_dyn_reloc (output_bfd, info, input_section,
   4180   1.1  christos 					    srel, rel->r_offset, r_type,
   4181   1.1  christos 					    h->dynindx, rel->r_addend);
   4182   1.1  christos 	    }
   4183   1.1  christos 	  goto finish_pcrel;
   4184   1.8  christos 
   4185   1.1  christos 	case R_IA64_PCREL21B:
   4186   1.1  christos 	case R_IA64_PCREL60B:
   4187   1.1  christos 	  /* We should have created a PLT entry for any dynamic symbol.  */
   4188   1.1  christos 	  dyn_i = NULL;
   4189   1.1  christos 	  if (h)
   4190   1.1  christos 	    dyn_i = get_dyn_sym_info (ia64_info, h, NULL, NULL, false);
   4191   1.1  christos 
   4192   1.1  christos 	  if (dyn_i && dyn_i->want_plt2)
   4193   1.1  christos 	    {
   4194   1.1  christos 	      /* Should have caught this earlier.  */
   4195   1.1  christos 	      BFD_ASSERT (rel->r_addend == 0);
   4196   1.1  christos 
   4197   1.1  christos 	      value = (ia64_info->root.splt->output_section->vma
   4198   1.1  christos 		       + ia64_info->root.splt->output_offset
   4199   1.1  christos 		       + dyn_i->plt2_offset);
   4200   1.1  christos 	    }
   4201   1.1  christos 	  else
   4202   1.1  christos 	    {
   4203   1.1  christos 	      /* Since there's no PLT entry, Validate that this is
   4204   1.1  christos 		 locally defined.  */
   4205   1.1  christos 	      BFD_ASSERT (undef_weak_ref || sym_sec->output_section != NULL);
   4206   1.1  christos 
   4207   1.1  christos 	      /* If the symbol is undef_weak, we shouldn't be trying
   4208   1.1  christos 		 to call it.  There's every chance that we'd wind up
   4209   1.1  christos 		 with an out-of-range fixup here.  Don't bother setting
   4210   1.1  christos 		 any value at all.  */
   4211   1.1  christos 	      if (undef_weak_ref)
   4212   1.1  christos 		continue;
   4213   1.1  christos 	    }
   4214   1.1  christos 	  goto finish_pcrel;
   4215   1.1  christos 
   4216   1.1  christos 	case R_IA64_PCREL21BI:
   4217   1.1  christos 	case R_IA64_PCREL21F:
   4218   1.1  christos 	case R_IA64_PCREL21M:
   4219   1.1  christos 	case R_IA64_PCREL22:
   4220   1.1  christos 	case R_IA64_PCREL64I:
   4221   1.1  christos 	  /* The PCREL21BI reloc is specifically not intended for use with
   4222   1.1  christos 	     dynamic relocs.  PCREL21F and PCREL21M are used for speculation
   4223   1.1  christos 	     fixup code, and thus probably ought not be dynamic.  The
   4224   1.6  christos 	     PCREL22 and PCREL64I relocs aren't emitted as dynamic relocs.  */
   4225   1.6  christos 	  if (dynamic_symbol_p)
   4226   1.1  christos 	    {
   4227   1.6  christos 	      const char *msg;
   4228   1.6  christos 
   4229   1.1  christos 	      if (r_type == R_IA64_PCREL21BI)
   4230   1.6  christos 		/* xgettext:c-format */
   4231   1.6  christos 		msg = _("%pB: @internal branch to dynamic symbol %s");
   4232   1.6  christos 	      else if (r_type == R_IA64_PCREL21F || r_type == R_IA64_PCREL21M)
   4233   1.6  christos 		/* xgettext:c-format */
   4234   1.6  christos 		msg = _("%pB: speculation fixup to dynamic symbol %s");
   4235   1.6  christos 	      else
   4236   1.6  christos 		/* xgettext:c-format */
   4237   1.6  christos 		msg = _("%pB: @pcrel relocation against dynamic symbol %s");
   4238   1.8  christos 	      _bfd_error_handler (msg, input_bfd,
   4239   1.1  christos 				  h ? h->root.root.string
   4240   1.1  christos 				  : bfd_elf_sym_name (input_bfd,
   4241   1.1  christos 						      symtab_hdr,
   4242   1.1  christos 						      sym,
   4243   1.1  christos 						      sym_sec));
   4244   1.1  christos 	      ret_val = false;
   4245   1.1  christos 	      continue;
   4246   1.1  christos 	    }
   4247   1.1  christos 	  goto finish_pcrel;
   4248   1.1  christos 
   4249   1.1  christos 	finish_pcrel:
   4250   1.1  christos 	  /* Make pc-relative.  */
   4251   1.1  christos 	  value -= (input_section->output_section->vma
   4252   1.1  christos 		    + input_section->output_offset
   4253   1.1  christos 		    + rel->r_offset) & ~ (bfd_vma) 0x3;
   4254   1.1  christos 	  r = ia64_elf_install_value (hit_addr, value, r_type);
   4255   1.1  christos 	  break;
   4256   1.1  christos 
   4257   1.1  christos 	case R_IA64_SEGREL32MSB:
   4258   1.1  christos 	case R_IA64_SEGREL32LSB:
   4259   1.1  christos 	case R_IA64_SEGREL64MSB:
   4260   1.1  christos 	case R_IA64_SEGREL64LSB:
   4261   1.1  christos 	    {
   4262   1.1  christos 	      /* Find the segment that contains the output_section.  */
   4263   1.1  christos 	      Elf_Internal_Phdr *p = _bfd_elf_find_segment_containing_section
   4264   1.1  christos 		(output_bfd, input_section->output_section);
   4265   1.1  christos 
   4266   1.1  christos 	      if (p == NULL)
   4267   1.1  christos 		{
   4268   1.1  christos 		  r = bfd_reloc_notsupported;
   4269   1.1  christos 		}
   4270   1.1  christos 	      else
   4271   1.1  christos 		{
   4272   1.1  christos 		  /* The VMA of the segment is the vaddr of the associated
   4273   1.1  christos 		     program header.  */
   4274   1.1  christos 		  if (value > p->p_vaddr)
   4275   1.1  christos 		    value -= p->p_vaddr;
   4276   1.1  christos 		  else
   4277   1.1  christos 		    value = 0;
   4278   1.1  christos 		  r = ia64_elf_install_value (hit_addr, value, r_type);
   4279   1.1  christos 		}
   4280   1.1  christos 	      break;
   4281   1.1  christos 	    }
   4282   1.1  christos 
   4283   1.1  christos 	case R_IA64_SECREL32MSB:
   4284   1.1  christos 	case R_IA64_SECREL32LSB:
   4285   1.1  christos 	case R_IA64_SECREL64MSB:
   4286   1.1  christos 	case R_IA64_SECREL64LSB:
   4287   1.1  christos 	  /* Make output-section relative to section where the symbol
   4288   1.1  christos 	     is defined. PR 475  */
   4289   1.1  christos 	  if (sym_sec)
   4290   1.1  christos 	    value -= sym_sec->output_section->vma;
   4291   1.3  christos 	  r = ia64_elf_install_value (hit_addr, value, r_type);
   4292   1.1  christos 	  break;
   4293   1.1  christos 
   4294   1.1  christos 	case R_IA64_IPLTMSB:
   4295   1.1  christos 	case R_IA64_IPLTLSB:
   4296   1.1  christos 	  /* Install a dynamic relocation for this reloc.  */
   4297   1.1  christos 	  if ((dynamic_symbol_p || bfd_link_pic (info))
   4298   1.1  christos 	      && (input_section->flags & SEC_ALLOC) != 0)
   4299   1.1  christos 	    {
   4300   1.1  christos 	      BFD_ASSERT (srel != NULL);
   4301   1.1  christos 
   4302   1.1  christos 	      /* If we don't need dynamic symbol lookup, install two
   4303   1.1  christos 		 RELATIVE relocations.  */
   4304   1.1  christos 	      if (!dynamic_symbol_p)
   4305   1.1  christos 		{
   4306   1.1  christos 		  unsigned int dyn_r_type;
   4307   1.1  christos 
   4308   1.1  christos 		  if (r_type == R_IA64_IPLTMSB)
   4309   1.1  christos 		    dyn_r_type = R_IA64_REL64MSB;
   4310   1.1  christos 		  else
   4311   1.1  christos 		    dyn_r_type = R_IA64_REL64LSB;
   4312   1.1  christos 
   4313   1.1  christos 		  elfNN_ia64_install_dyn_reloc (output_bfd, info,
   4314   1.1  christos 						input_section,
   4315   1.1  christos 						srel, rel->r_offset,
   4316   1.1  christos 						dyn_r_type, 0, value);
   4317   1.1  christos 		  elfNN_ia64_install_dyn_reloc (output_bfd, info,
   4318   1.1  christos 						input_section,
   4319   1.1  christos 						srel, rel->r_offset + 8,
   4320   1.1  christos 						dyn_r_type, 0, gp_val);
   4321   1.1  christos 		}
   4322   1.1  christos 	      else
   4323   1.1  christos 		elfNN_ia64_install_dyn_reloc (output_bfd, info, input_section,
   4324   1.1  christos 					      srel, rel->r_offset, r_type,
   4325   1.1  christos 					      h->dynindx, rel->r_addend);
   4326   1.1  christos 	    }
   4327   1.1  christos 
   4328   1.1  christos 	  if (r_type == R_IA64_IPLTMSB)
   4329   1.1  christos 	    r_type = R_IA64_DIR64MSB;
   4330   1.1  christos 	  else
   4331   1.1  christos 	    r_type = R_IA64_DIR64LSB;
   4332   1.1  christos 	  ia64_elf_install_value (hit_addr, value, r_type);
   4333   1.1  christos 	  r = ia64_elf_install_value (hit_addr + 8, gp_val, r_type);
   4334   1.1  christos 	  break;
   4335   1.1  christos 
   4336   1.1  christos 	case R_IA64_TPREL14:
   4337   1.1  christos 	case R_IA64_TPREL22:
   4338   1.1  christos 	case R_IA64_TPREL64I:
   4339   1.1  christos 	  if (elf_hash_table (info)->tls_sec == NULL)
   4340   1.1  christos 	    goto missing_tls_sec;
   4341   1.1  christos 	  value -= elfNN_ia64_tprel_base (info);
   4342   1.1  christos 	  r = ia64_elf_install_value (hit_addr, value, r_type);
   4343   1.1  christos 	  break;
   4344   1.1  christos 
   4345   1.1  christos 	case R_IA64_DTPREL14:
   4346   1.1  christos 	case R_IA64_DTPREL22:
   4347   1.1  christos 	case R_IA64_DTPREL64I:
   4348   1.1  christos 	case R_IA64_DTPREL32LSB:
   4349   1.1  christos 	case R_IA64_DTPREL32MSB:
   4350   1.1  christos 	case R_IA64_DTPREL64LSB:
   4351   1.1  christos 	case R_IA64_DTPREL64MSB:
   4352   1.1  christos 	  if (elf_hash_table (info)->tls_sec == NULL)
   4353   1.1  christos 	    goto missing_tls_sec;
   4354   1.1  christos 	  value -= elfNN_ia64_dtprel_base (info);
   4355   1.1  christos 	  r = ia64_elf_install_value (hit_addr, value, r_type);
   4356   1.1  christos 	  break;
   4357   1.1  christos 
   4358   1.1  christos 	case R_IA64_LTOFF_TPREL22:
   4359   1.1  christos 	case R_IA64_LTOFF_DTPMOD22:
   4360   1.1  christos 	case R_IA64_LTOFF_DTPREL22:
   4361   1.1  christos 	  {
   4362   1.1  christos 	    int got_r_type;
   4363   1.1  christos 	    long dynindx = h ? h->dynindx : -1;
   4364   1.1  christos 	    bfd_vma r_addend = rel->r_addend;
   4365   1.1  christos 
   4366   1.1  christos 	    switch (r_type)
   4367   1.1  christos 	      {
   4368   1.3  christos 	      default:
   4369   1.1  christos 	      case R_IA64_LTOFF_TPREL22:
   4370   1.1  christos 		if (!dynamic_symbol_p)
   4371   1.1  christos 		  {
   4372   1.1  christos 		    if (elf_hash_table (info)->tls_sec == NULL)
   4373   1.1  christos 		      goto missing_tls_sec;
   4374   1.1  christos 		    if (!bfd_link_pic (info))
   4375   1.1  christos 		      value -= elfNN_ia64_tprel_base (info);
   4376   1.1  christos 		    else
   4377   1.1  christos 		      {
   4378   1.1  christos 			r_addend += value - elfNN_ia64_dtprel_base (info);
   4379   1.3  christos 			dynindx = 0;
   4380   1.1  christos 		      }
   4381   1.1  christos 		  }
   4382   1.1  christos 		got_r_type = R_IA64_TPREL64LSB;
   4383   1.1  christos 		break;
   4384   1.1  christos 	      case R_IA64_LTOFF_DTPMOD22:
   4385   1.1  christos 		if (!dynamic_symbol_p && !bfd_link_pic (info))
   4386   1.1  christos 		  value = 1;
   4387   1.1  christos 		got_r_type = R_IA64_DTPMOD64LSB;
   4388   1.1  christos 		break;
   4389   1.1  christos 	      case R_IA64_LTOFF_DTPREL22:
   4390   1.1  christos 		if (!dynamic_symbol_p)
   4391   1.1  christos 		  {
   4392   1.1  christos 		    if (elf_hash_table (info)->tls_sec == NULL)
   4393   1.8  christos 		      goto missing_tls_sec;
   4394   1.1  christos 		    value -= elfNN_ia64_dtprel_base (info);
   4395   1.1  christos 		  }
   4396   1.1  christos 		got_r_type = R_IA64_DTPRELNNLSB;
   4397   1.1  christos 		break;
   4398   1.1  christos 	      }
   4399   1.1  christos 	    dyn_i = get_dyn_sym_info (ia64_info, h, input_bfd, rel, false);
   4400   1.1  christos 	    value = set_got_entry (input_bfd, info, dyn_i, dynindx, r_addend,
   4401   1.1  christos 				   value, got_r_type);
   4402   1.1  christos 	    value -= gp_val;
   4403   1.1  christos 	    r = ia64_elf_install_value (hit_addr, value, r_type);
   4404   1.1  christos 	  }
   4405   1.1  christos 	  break;
   4406   1.1  christos 
   4407   1.1  christos 	default:
   4408   1.1  christos 	  r = bfd_reloc_notsupported;
   4409   1.1  christos 	  break;
   4410   1.1  christos 	}
   4411   1.1  christos 
   4412   1.1  christos       switch (r)
   4413   1.1  christos 	{
   4414   1.1  christos 	case bfd_reloc_ok:
   4415   1.1  christos 	  break;
   4416   1.1  christos 
   4417   1.8  christos 	case bfd_reloc_undefined:
   4418   1.1  christos 	  /* This can happen for global table relative relocs if
   4419   1.1  christos 	     __gp is undefined.  This is a panic situation so we
   4420   1.1  christos 	     don't try to continue.  */
   4421   1.1  christos 	  (*info->callbacks->undefined_symbol)
   4422   1.1  christos 	    (info, "__gp", input_bfd, input_section, rel->r_offset, 1);
   4423   1.1  christos 	  return false;
   4424   1.1  christos 
   4425   1.1  christos 	case bfd_reloc_notsupported:
   4426   1.1  christos 	  {
   4427   1.1  christos 	    const char *name;
   4428   1.5  christos 
   4429   1.5  christos 	    if (h)
   4430   1.5  christos 	      name = h->root.root.string;
   4431   1.8  christos 	    else
   4432   1.1  christos 	      name = bfd_elf_sym_name (input_bfd, symtab_hdr, sym,
   4433   1.1  christos 				       sym_sec);
   4434   1.1  christos 	    (*info->callbacks->warning) (info, _("unsupported reloc"),
   4435   1.1  christos 					 name, input_bfd,
   4436   1.1  christos 					 input_section, rel->r_offset);
   4437   1.1  christos 	    ret_val = false;
   4438   1.1  christos 	  }
   4439   1.8  christos 	  break;
   4440   1.1  christos 
   4441   1.1  christos 	case bfd_reloc_dangerous:
   4442   1.1  christos 	case bfd_reloc_outofrange:
   4443   1.1  christos 	case bfd_reloc_overflow:
   4444   1.1  christos 	default:
   4445   1.1  christos 	missing_tls_sec:
   4446   1.1  christos 	  {
   4447   1.1  christos 	    const char *name;
   4448   1.1  christos 
   4449   1.1  christos 	    if (h)
   4450   1.1  christos 	      name = h->root.root.string;
   4451   1.1  christos 	    else
   4452   1.1  christos 	      name = bfd_elf_sym_name (input_bfd, symtab_hdr, sym,
   4453   1.1  christos 				       sym_sec);
   4454   1.1  christos 
   4455   1.1  christos 	    switch (r_type)
   4456   1.1  christos 	      {
   4457   1.1  christos 	      case R_IA64_TPREL14:
   4458   1.1  christos 	      case R_IA64_TPREL22:
   4459   1.1  christos 	      case R_IA64_TPREL64I:
   4460   1.1  christos 	      case R_IA64_DTPREL14:
   4461   1.1  christos 	      case R_IA64_DTPREL22:
   4462   1.1  christos 	      case R_IA64_DTPREL64I:
   4463   1.1  christos 	      case R_IA64_DTPREL32LSB:
   4464   1.6  christos 	      case R_IA64_DTPREL32MSB:
   4465   1.6  christos 	      case R_IA64_DTPREL64LSB:
   4466   1.6  christos 	      case R_IA64_DTPREL64MSB:
   4467   1.6  christos 	      case R_IA64_LTOFF_TPREL22:
   4468   1.6  christos 	      case R_IA64_LTOFF_DTPMOD22:
   4469   1.6  christos 	      case R_IA64_LTOFF_DTPREL22:
   4470   1.1  christos 		_bfd_error_handler
   4471   1.1  christos 		  /* xgettext:c-format */
   4472   1.1  christos 		  (_("%pB: missing TLS section for relocation %s against `%s'"
   4473   1.1  christos 		     " at %#" PRIx64 " in section `%pA'."),
   4474   1.1  christos 		   input_bfd, howto->name, name,
   4475   1.1  christos 		   (uint64_t) rel->r_offset, input_section);
   4476   1.1  christos 		break;
   4477   1.1  christos 
   4478   1.1  christos 	      case R_IA64_PCREL21B:
   4479   1.1  christos 	      case R_IA64_PCREL21BI:
   4480   1.1  christos 	      case R_IA64_PCREL21M:
   4481   1.6  christos 	      case R_IA64_PCREL21F:
   4482   1.6  christos 		if (is_elf_hash_table (info->hash))
   4483   1.6  christos 		  {
   4484   1.6  christos 		    /* Relaxtion is always performed for ELF output.
   4485   1.6  christos 		       Overflow failures for those relocations mean
   4486   1.6  christos 		       that the section is too big to relax.  */
   4487   1.6  christos 		    _bfd_error_handler
   4488   1.1  christos 		      /* xgettext:c-format */
   4489   1.1  christos 		      (_("%pB: Can't relax br (%s) to `%s' at %#" PRIx64
   4490   1.6  christos 			 " in section `%pA' with size %#" PRIx64
   4491   1.1  christos 			 " (> 0x1000000)."),
   4492   1.5  christos 		       input_bfd, howto->name, name, (uint64_t) rel->r_offset,
   4493   1.5  christos 		       input_section, (uint64_t) input_section->size);
   4494   1.5  christos 		    break;
   4495   1.5  christos 		  }
   4496   1.5  christos 		/* Fall through.  */
   4497   1.5  christos 	      default:
   4498   1.5  christos 		(*info->callbacks->reloc_overflow) (info,
   4499   1.5  christos 						    &h->root,
   4500   1.1  christos 						    name,
   4501   1.1  christos 						    howto->name,
   4502   1.1  christos 						    (bfd_vma) 0,
   4503   1.8  christos 						    input_bfd,
   4504   1.1  christos 						    input_section,
   4505   1.1  christos 						    rel->r_offset);
   4506   1.1  christos 		break;
   4507   1.1  christos 	      }
   4508   1.1  christos 
   4509   1.1  christos 	    ret_val = false;
   4510   1.1  christos 	  }
   4511   1.1  christos 	  break;
   4512   1.8  christos 	}
   4513   1.1  christos     }
   4514   1.1  christos 
   4515   1.1  christos   return ret_val;
   4516   1.1  christos }
   4517   1.1  christos 
   4518   1.1  christos static bool
   4519   1.1  christos elfNN_ia64_finish_dynamic_symbol (bfd *output_bfd,
   4520   1.1  christos 				  struct bfd_link_info *info,
   4521   1.1  christos 				  struct elf_link_hash_entry *h,
   4522   1.1  christos 				  Elf_Internal_Sym *sym)
   4523   1.8  christos {
   4524   1.1  christos   struct elfNN_ia64_link_hash_table *ia64_info;
   4525   1.1  christos   struct elfNN_ia64_dyn_sym_info *dyn_i;
   4526   1.1  christos 
   4527   1.1  christos   ia64_info = elfNN_ia64_hash_table (info);
   4528   1.1  christos 
   4529   1.1  christos   dyn_i = get_dyn_sym_info (ia64_info, h, NULL, NULL, false);
   4530   1.1  christos 
   4531   1.1  christos   /* Fill in the PLT data, if required.  */
   4532   1.1  christos   if (dyn_i && dyn_i->want_plt)
   4533   1.1  christos     {
   4534   1.1  christos       Elf_Internal_Rela outrel;
   4535   1.1  christos       bfd_byte *loc;
   4536   1.1  christos       asection *plt_sec;
   4537   1.1  christos       bfd_vma plt_addr, pltoff_addr, gp_val, plt_index;
   4538   1.1  christos 
   4539   1.1  christos       gp_val = _bfd_get_gp_value (output_bfd);
   4540   1.1  christos 
   4541   1.1  christos       /* Initialize the minimal PLT entry.  */
   4542   1.1  christos 
   4543   1.1  christos       plt_index = (dyn_i->plt_offset - PLT_HEADER_SIZE) / PLT_MIN_ENTRY_SIZE;
   4544   1.1  christos       plt_sec = ia64_info->root.splt;
   4545   1.1  christos       loc = plt_sec->contents + dyn_i->plt_offset;
   4546   1.1  christos 
   4547   1.1  christos       memcpy (loc, plt_min_entry, PLT_MIN_ENTRY_SIZE);
   4548   1.8  christos       ia64_elf_install_value (loc, plt_index, R_IA64_IMM22);
   4549   1.1  christos       ia64_elf_install_value (loc+2, -dyn_i->plt_offset, R_IA64_PCREL21B);
   4550   1.1  christos 
   4551   1.1  christos       plt_addr = (plt_sec->output_section->vma
   4552   1.1  christos 		  + plt_sec->output_offset
   4553   1.1  christos 		  + dyn_i->plt_offset);
   4554   1.1  christos       pltoff_addr = set_pltoff_entry (output_bfd, info, dyn_i, plt_addr, true);
   4555   1.1  christos 
   4556   1.1  christos       /* Initialize the FULL PLT entry, if needed.  */
   4557   1.1  christos       if (dyn_i->want_plt2)
   4558   1.1  christos 	{
   4559   1.1  christos 	  loc = plt_sec->contents + dyn_i->plt2_offset;
   4560   1.1  christos 
   4561   1.1  christos 	  memcpy (loc, plt_full_entry, PLT_FULL_ENTRY_SIZE);
   4562   1.1  christos 	  ia64_elf_install_value (loc, pltoff_addr - gp_val, R_IA64_IMM22);
   4563   1.1  christos 
   4564   1.1  christos 	  /* Mark the symbol as undefined, rather than as defined in the
   4565   1.1  christos 	     plt section.  Leave the value alone.  */
   4566   1.1  christos 	  /* ??? We didn't redefine it in adjust_dynamic_symbol in the
   4567   1.1  christos 	     first place.  But perhaps elflink.c did some for us.  */
   4568   1.1  christos 	  if (!h->def_regular)
   4569   1.1  christos 	    sym->st_shndx = SHN_UNDEF;
   4570   1.1  christos 	}
   4571   1.1  christos 
   4572   1.1  christos       /* Create the dynamic relocation.  */
   4573   1.1  christos       outrel.r_offset = pltoff_addr;
   4574   1.1  christos       if (bfd_little_endian (output_bfd))
   4575   1.1  christos 	outrel.r_info = ELFNN_R_INFO (h->dynindx, R_IA64_IPLTLSB);
   4576   1.1  christos       else
   4577   1.1  christos 	outrel.r_info = ELFNN_R_INFO (h->dynindx, R_IA64_IPLTMSB);
   4578   1.1  christos       outrel.r_addend = 0;
   4579   1.1  christos 
   4580   1.1  christos       /* This is fun.  In the .IA_64.pltoff section, we've got entries
   4581   1.1  christos 	 that correspond both to real PLT entries, and those that
   4582   1.1  christos 	 happened to resolve to local symbols but need to be created
   4583   1.1  christos 	 to satisfy @pltoff relocations.  The .rela.IA_64.pltoff
   4584   1.1  christos 	 relocations for the real PLT should come at the end of the
   4585   1.1  christos 	 section, so that they can be indexed by plt entry at runtime.
   4586   1.1  christos 
   4587   1.1  christos 	 We emitted all of the relocations for the non-PLT @pltoff
   4588   1.1  christos 	 entries during relocate_section.  So we can consider the
   4589   1.1  christos 	 existing sec->reloc_count to be the base of the array of
   4590   1.1  christos 	 PLT relocations.  */
   4591   1.1  christos 
   4592   1.1  christos       loc = ia64_info->rel_pltoff_sec->contents;
   4593   1.3  christos       loc += ((ia64_info->rel_pltoff_sec->reloc_count + plt_index)
   4594   1.1  christos 	      * sizeof (ElfNN_External_Rela));
   4595   1.1  christos       bfd_elfNN_swap_reloca_out (output_bfd, &outrel, loc);
   4596   1.1  christos     }
   4597   1.1  christos 
   4598   1.8  christos   /* Mark some specially defined symbols as absolute.  */
   4599   1.1  christos   if (h == ia64_info->root.hdynamic
   4600   1.1  christos       || h == ia64_info->root.hgot
   4601   1.8  christos       || h == ia64_info->root.hplt)
   4602   1.1  christos     sym->st_shndx = SHN_ABS;
   4603   1.1  christos 
   4604   1.1  christos   return true;
   4605   1.1  christos }
   4606   1.1  christos 
   4607   1.1  christos static bool
   4608   1.1  christos elfNN_ia64_finish_dynamic_sections (bfd *abfd,
   4609   1.1  christos 				    struct bfd_link_info *info)
   4610   1.8  christos {
   4611   1.1  christos   struct elfNN_ia64_link_hash_table *ia64_info;
   4612   1.1  christos   bfd *dynobj;
   4613   1.1  christos 
   4614   1.6  christos   ia64_info = elfNN_ia64_hash_table (info);
   4615   1.1  christos   if (ia64_info == NULL)
   4616   1.1  christos     return false;
   4617   1.1  christos 
   4618   1.1  christos   dynobj = ia64_info->root.dynobj;
   4619   1.1  christos 
   4620   1.1  christos   if (ia64_info->root.dynamic_sections_created)
   4621   1.6  christos     {
   4622   1.1  christos       ElfNN_External_Dyn *dyncon, *dynconend;
   4623   1.1  christos       asection *sdyn, *sgotplt;
   4624   1.1  christos       bfd_vma gp_val;
   4625   1.1  christos 
   4626   1.1  christos       sdyn = bfd_get_linker_section (dynobj, ".dynamic");
   4627   1.1  christos       sgotplt = ia64_info->root.sgotplt;
   4628   1.1  christos       BFD_ASSERT (sdyn != NULL);
   4629   1.1  christos       dyncon = (ElfNN_External_Dyn *) sdyn->contents;
   4630   1.1  christos       dynconend = (ElfNN_External_Dyn *) (sdyn->contents + sdyn->size);
   4631   1.1  christos 
   4632   1.1  christos       gp_val = _bfd_get_gp_value (abfd);
   4633   1.1  christos 
   4634   1.1  christos       for (; dyncon < dynconend; dyncon++)
   4635   1.1  christos 	{
   4636   1.1  christos 	  Elf_Internal_Dyn dyn;
   4637   1.1  christos 
   4638   1.1  christos 	  bfd_elfNN_swap_dyn_in (dynobj, dyncon, &dyn);
   4639   1.1  christos 
   4640   1.1  christos 	  switch (dyn.d_tag)
   4641   1.1  christos 	    {
   4642   1.1  christos 	    case DT_PLTGOT:
   4643   1.1  christos 	      dyn.d_un.d_ptr = gp_val;
   4644   1.1  christos 	      break;
   4645   1.1  christos 
   4646   1.1  christos 	    case DT_PLTRELSZ:
   4647   1.1  christos 	      dyn.d_un.d_val = (ia64_info->minplt_entries
   4648   1.1  christos 				* sizeof (ElfNN_External_Rela));
   4649   1.1  christos 	      break;
   4650   1.1  christos 
   4651   1.1  christos 	    case DT_JMPREL:
   4652   1.1  christos 	      /* See the comment above in finish_dynamic_symbol.  */
   4653   1.1  christos 	      dyn.d_un.d_ptr = (ia64_info->rel_pltoff_sec->output_section->vma
   4654   1.1  christos 				+ ia64_info->rel_pltoff_sec->output_offset
   4655   1.1  christos 				+ (ia64_info->rel_pltoff_sec->reloc_count
   4656   1.1  christos 				   * sizeof (ElfNN_External_Rela)));
   4657   1.1  christos 	      break;
   4658   1.1  christos 
   4659   1.1  christos 	    case DT_IA_64_PLT_RESERVE:
   4660   1.1  christos 	      dyn.d_un.d_ptr = (sgotplt->output_section->vma
   4661   1.1  christos 				+ sgotplt->output_offset);
   4662   1.1  christos 	      break;
   4663   1.1  christos 	    }
   4664   1.1  christos 
   4665   1.1  christos 	  bfd_elfNN_swap_dyn_out (abfd, &dyn, dyncon);
   4666   1.1  christos 	}
   4667   1.1  christos 
   4668   1.1  christos       /* Initialize the PLT0 entry.  */
   4669   1.1  christos       if (ia64_info->root.splt)
   4670   1.1  christos 	{
   4671   1.1  christos 	  bfd_byte *loc = ia64_info->root.splt->contents;
   4672   1.1  christos 	  bfd_vma pltres;
   4673   1.1  christos 
   4674   1.1  christos 	  memcpy (loc, plt_header, PLT_HEADER_SIZE);
   4675   1.1  christos 
   4676   1.1  christos 	  pltres = (sgotplt->output_section->vma
   4677   1.1  christos 		    + sgotplt->output_offset
   4678   1.8  christos 		    - gp_val);
   4679   1.1  christos 
   4680   1.1  christos 	  ia64_elf_install_value (loc+1, pltres, R_IA64_GPREL22);
   4681   1.1  christos 	}
   4682   1.1  christos     }
   4683   1.1  christos 
   4684   1.8  christos   return true;
   4685   1.1  christos }
   4686   1.1  christos 
   4687   1.1  christos /* ELF file flag handling:  */
   4689   1.1  christos 
   4690   1.1  christos /* Function to keep IA-64 specific file flags.  */
   4691   1.8  christos static bool
   4692   1.8  christos elfNN_ia64_set_private_flags (bfd *abfd, flagword flags)
   4693   1.1  christos {
   4694   1.1  christos   BFD_ASSERT (!elf_flags_init (abfd)
   4695   1.1  christos 	      || elf_elfheader (abfd)->e_flags == flags);
   4696   1.1  christos 
   4697   1.7  christos   elf_elfheader (abfd)->e_flags = flags;
   4698   1.8  christos   elf_flags_init (abfd) = true;
   4699   1.6  christos   return true;
   4700   1.1  christos }
   4701   1.6  christos 
   4702   1.1  christos /* Merge backend specific data from an object file to the output
   4703   1.1  christos    object file when linking.  */
   4704   1.8  christos 
   4705   1.8  christos static bool
   4706   1.8  christos elfNN_ia64_merge_private_bfd_data (bfd *ibfd, struct bfd_link_info *info)
   4707   1.8  christos {
   4708   1.8  christos   bfd *obfd = info->output_bfd;
   4709   1.1  christos   flagword out_flags;
   4710   1.7  christos   flagword in_flags;
   4711   1.8  christos   bool ok = true;
   4712   1.1  christos 
   4713   1.1  christos   /* FIXME: What should be checked when linking shared libraries?  */
   4714   1.1  christos   if ((ibfd->flags & DYNAMIC) != 0)
   4715   1.1  christos     return true;
   4716   1.1  christos 
   4717   1.1  christos   if (!is_ia64_elf (ibfd) || !is_ia64_elf (obfd))
   4718   1.8  christos     return true;
   4719   1.1  christos 
   4720   1.1  christos   in_flags  = elf_elfheader (ibfd)->e_flags;
   4721   1.1  christos   out_flags = elf_elfheader (obfd)->e_flags;
   4722   1.1  christos 
   4723   1.1  christos   if (! elf_flags_init (obfd))
   4724   1.1  christos     {
   4725   1.1  christos       elf_flags_init (obfd) = true;
   4726   1.1  christos       elf_elfheader (obfd)->e_flags = in_flags;
   4727   1.1  christos 
   4728   1.8  christos       if (bfd_get_arch (obfd) == bfd_get_arch (ibfd)
   4729   1.1  christos 	  && bfd_get_arch_info (obfd)->the_default)
   4730   1.1  christos 	{
   4731   1.1  christos 	  return bfd_set_arch_mach (obfd, bfd_get_arch (ibfd),
   4732   1.1  christos 				    bfd_get_mach (ibfd));
   4733   1.8  christos 	}
   4734   1.1  christos 
   4735   1.1  christos       return true;
   4736   1.1  christos     }
   4737   1.1  christos 
   4738   1.1  christos   /* Check flag compatibility.  */
   4739   1.1  christos   if (in_flags == out_flags)
   4740   1.1  christos     return true;
   4741   1.6  christos 
   4742   1.6  christos   /* Output has EF_IA_64_REDUCEDFP set only if all inputs have it set.  */
   4743   1.1  christos   if (!(in_flags & EF_IA_64_REDUCEDFP) && (out_flags & EF_IA_64_REDUCEDFP))
   4744   1.1  christos     elf_elfheader (obfd)->e_flags &= ~EF_IA_64_REDUCEDFP;
   4745   1.1  christos 
   4746   1.8  christos   if ((in_flags & EF_IA_64_TRAPNIL) != (out_flags & EF_IA_64_TRAPNIL))
   4747   1.1  christos     {
   4748   1.1  christos       _bfd_error_handler
   4749   1.1  christos 	(_("%pB: linking trap-on-NULL-dereference with non-trapping files"),
   4750   1.6  christos 	 ibfd);
   4751   1.6  christos 
   4752   1.1  christos       bfd_set_error (bfd_error_bad_value);
   4753   1.1  christos       ok = false;
   4754   1.1  christos     }
   4755   1.8  christos   if ((in_flags & EF_IA_64_BE) != (out_flags & EF_IA_64_BE))
   4756   1.1  christos     {
   4757   1.1  christos       _bfd_error_handler
   4758   1.1  christos 	(_("%pB: linking big-endian files with little-endian files"),
   4759   1.6  christos 	 ibfd);
   4760   1.6  christos 
   4761   1.1  christos       bfd_set_error (bfd_error_bad_value);
   4762   1.1  christos       ok = false;
   4763   1.1  christos     }
   4764   1.8  christos   if ((in_flags & EF_IA_64_ABI64) != (out_flags & EF_IA_64_ABI64))
   4765   1.1  christos     {
   4766   1.1  christos       _bfd_error_handler
   4767   1.1  christos 	(_("%pB: linking 64-bit files with 32-bit files"),
   4768   1.6  christos 	 ibfd);
   4769   1.6  christos 
   4770   1.1  christos       bfd_set_error (bfd_error_bad_value);
   4771   1.1  christos       ok = false;
   4772   1.1  christos     }
   4773   1.8  christos   if ((in_flags & EF_IA_64_CONS_GP) != (out_flags & EF_IA_64_CONS_GP))
   4774   1.1  christos     {
   4775   1.1  christos       _bfd_error_handler
   4776   1.1  christos 	(_("%pB: linking constant-gp files with non-constant-gp files"),
   4777   1.1  christos 	 ibfd);
   4778   1.6  christos 
   4779   1.6  christos       bfd_set_error (bfd_error_bad_value);
   4780   1.1  christos       ok = false;
   4781   1.1  christos     }
   4782   1.1  christos   if ((in_flags & EF_IA_64_NOFUNCDESC_CONS_GP)
   4783   1.8  christos       != (out_flags & EF_IA_64_NOFUNCDESC_CONS_GP))
   4784   1.1  christos     {
   4785   1.1  christos       _bfd_error_handler
   4786   1.1  christos 	(_("%pB: linking auto-pic files with non-auto-pic files"),
   4787   1.1  christos 	 ibfd);
   4788   1.1  christos 
   4789   1.8  christos       bfd_set_error (bfd_error_bad_value);
   4790   1.1  christos       ok = false;
   4791   1.1  christos     }
   4792   1.1  christos 
   4793   1.1  christos   return ok;
   4794   1.1  christos }
   4795   1.1  christos 
   4796   1.1  christos static bool
   4797   1.1  christos elfNN_ia64_print_private_bfd_data (bfd *abfd, void * ptr)
   4798   1.1  christos {
   4799   1.1  christos   FILE *file = (FILE *) ptr;
   4800   1.1  christos   flagword flags = elf_elfheader (abfd)->e_flags;
   4801   1.1  christos 
   4802   1.1  christos   BFD_ASSERT (abfd != NULL && ptr != NULL);
   4803   1.1  christos 
   4804   1.1  christos   fprintf (file, "private flags = %s%s%s%s%s%s%s%s\n",
   4805   1.1  christos 	   (flags & EF_IA_64_TRAPNIL) ? "TRAPNIL, " : "",
   4806   1.1  christos 	   (flags & EF_IA_64_EXT) ? "EXT, " : "",
   4807   1.1  christos 	   (flags & EF_IA_64_BE) ? "BE, " : "LE, ",
   4808   1.8  christos 	   (flags & EF_IA_64_REDUCEDFP) ? "REDUCEDFP, " : "",
   4809   1.1  christos 	   (flags & EF_IA_64_CONS_GP) ? "CONS_GP, " : "",
   4810   1.1  christos 	   (flags & EF_IA_64_NOFUNCDESC_CONS_GP) ? "NOFUNCDESC_CONS_GP, " : "",
   4811   1.1  christos 	   (flags & EF_IA_64_ABSOLUTE) ? "ABSOLUTE, " : "",
   4812   1.3  christos 	   (flags & EF_IA_64_ABI64) ? "ABI64" : "ABI32");
   4813   1.3  christos 
   4814   1.3  christos   _bfd_elf_print_private_bfd_data (abfd, ptr);
   4815   1.1  christos   return true;
   4816   1.1  christos }
   4817   1.1  christos 
   4818   1.1  christos static enum elf_reloc_type_class
   4819   1.1  christos elfNN_ia64_reloc_type_class (const struct bfd_link_info *info ATTRIBUTE_UNUSED,
   4820   1.1  christos 			     const asection *rel_sec ATTRIBUTE_UNUSED,
   4821   1.1  christos 			     const Elf_Internal_Rela *rela)
   4822   1.1  christos {
   4823   1.1  christos   switch ((int) ELFNN_R_TYPE (rela->r_info))
   4824   1.1  christos     {
   4825   1.1  christos     case R_IA64_REL32MSB:
   4826   1.1  christos     case R_IA64_REL32LSB:
   4827   1.1  christos     case R_IA64_REL64MSB:
   4828   1.1  christos     case R_IA64_REL64LSB:
   4829   1.1  christos       return reloc_class_relative;
   4830   1.1  christos     case R_IA64_IPLTMSB:
   4831   1.1  christos     case R_IA64_IPLTLSB:
   4832   1.1  christos       return reloc_class_plt;
   4833   1.1  christos     case R_IA64_COPY:
   4834   1.1  christos       return reloc_class_copy;
   4835   1.6  christos     default:
   4836   1.1  christos       return reloc_class_normal;
   4837   1.6  christos     }
   4838   1.1  christos }
   4839   1.1  christos 
   4840   1.8  christos static const struct bfd_elf_special_section elfNN_ia64_special_sections[] =
   4841   1.1  christos {
   4842   1.1  christos   { STRING_COMMA_LEN (".sbss"),	 -1, SHT_NOBITS,   SHF_ALLOC + SHF_WRITE + SHF_IA_64_SHORT },
   4843   1.1  christos   { STRING_COMMA_LEN (".sdata"), -1, SHT_PROGBITS, SHF_ALLOC + SHF_WRITE + SHF_IA_64_SHORT },
   4844   1.1  christos   { NULL,		     0,	  0, 0,		   0 }
   4845   1.1  christos };
   4846   1.1  christos 
   4847   1.1  christos static bool
   4848   1.8  christos elfNN_ia64_object_p (bfd *abfd)
   4849   1.1  christos {
   4850   1.1  christos   asection *sec;
   4851   1.8  christos   asection *group, *unwi, *unw;
   4852   1.1  christos   flagword flags;
   4853   1.1  christos   const char *name;
   4854   1.1  christos   char *unwi_name, *unw_name;
   4855   1.1  christos   size_t amt;
   4856   1.1  christos 
   4857   1.1  christos   if (abfd->flags & DYNAMIC)
   4858   1.1  christos     return true;
   4859   1.1  christos 
   4860   1.1  christos   /* Flags for fake group section.  */
   4861   1.1  christos   flags = (SEC_LINKER_CREATED | SEC_GROUP | SEC_LINK_ONCE
   4862   1.1  christos 	   | SEC_EXCLUDE);
   4863   1.1  christos 
   4864   1.8  christos   /* We add a fake section group for each .gnu.linkonce.t.* section,
   4865   1.1  christos      which isn't in a section group, and its unwind sections.  */
   4866   1.1  christos   for (sec = abfd->sections; sec != NULL; sec = sec->next)
   4867   1.1  christos     {
   4868   1.1  christos       if (elf_sec_group (sec) == NULL
   4869   1.1  christos 	  && ((sec->flags & (SEC_LINK_ONCE | SEC_CODE | SEC_GROUP))
   4870   1.1  christos 	      == (SEC_LINK_ONCE | SEC_CODE))
   4871   1.8  christos 	  && startswith (sec->name, ".gnu.linkonce.t."))
   4872   1.1  christos 	{
   4873   1.1  christos 	  name = sec->name + 16;
   4874   1.1  christos 
   4875   1.1  christos 	  amt = strlen (name) + sizeof (".gnu.linkonce.ia64unwi.");
   4876   1.1  christos 	  unwi_name = bfd_alloc (abfd, amt);
   4877   1.1  christos 	  if (!unwi_name)
   4878   1.1  christos 	    return false;
   4879   1.8  christos 
   4880   1.1  christos 	  strcpy (stpcpy (unwi_name, ".gnu.linkonce.ia64unwi."), name);
   4881   1.1  christos 	  unwi = bfd_get_section_by_name (abfd, unwi_name);
   4882   1.1  christos 
   4883   1.1  christos 	  amt = strlen (name) + sizeof (".gnu.linkonce.ia64unw.");
   4884   1.1  christos 	  unw_name = bfd_alloc (abfd, amt);
   4885   1.1  christos 	  if (!unw_name)
   4886   1.1  christos 	    return false;
   4887   1.1  christos 
   4888   1.1  christos 	  strcpy (stpcpy (unw_name, ".gnu.linkonce.ia64unw."), name);
   4889   1.8  christos 	  unw = bfd_get_section_by_name (abfd, unw_name);
   4890   1.1  christos 
   4891   1.1  christos 	  /* We need to create a fake group section for it and its
   4892   1.1  christos 	     unwind sections.  */
   4893   1.1  christos 	  group = bfd_make_section_anyway_with_flags (abfd, name,
   4894   1.1  christos 						      flags);
   4895   1.1  christos 	  if (group == NULL)
   4896   1.1  christos 	    return false;
   4897   1.1  christos 
   4898   1.1  christos 	  /* Move the fake group section to the beginning.  */
   4899   1.1  christos 	  bfd_section_list_remove (abfd, group);
   4900   1.1  christos 	  bfd_section_list_prepend (abfd, group);
   4901   1.1  christos 
   4902   1.1  christos 	  elf_next_in_group (group) = sec;
   4903   1.1  christos 
   4904   1.1  christos 	  elf_group_name (sec) = name;
   4905   1.1  christos 	  elf_next_in_group (sec) = sec;
   4906   1.1  christos 	  elf_sec_group (sec) = group;
   4907   1.1  christos 
   4908   1.1  christos 	  if (unwi)
   4909   1.1  christos 	    {
   4910   1.1  christos 	      elf_group_name (unwi) = name;
   4911   1.1  christos 	      elf_next_in_group (unwi) = sec;
   4912   1.1  christos 	      elf_next_in_group (sec) = unwi;
   4913   1.1  christos 	      elf_sec_group (unwi) = group;
   4914   1.1  christos 	    }
   4915   1.1  christos 
   4916   1.1  christos 	   if (unw)
   4917   1.1  christos 	     {
   4918   1.1  christos 	       elf_group_name (unw) = name;
   4919   1.1  christos 	       if (unwi)
   4920   1.1  christos 		 {
   4921   1.1  christos 		   elf_next_in_group (unw) = elf_next_in_group (unwi);
   4922   1.1  christos 		   elf_next_in_group (unwi) = unw;
   4923   1.1  christos 		 }
   4924   1.1  christos 	       else
   4925   1.1  christos 		 {
   4926   1.1  christos 		   elf_next_in_group (unw) = sec;
   4927   1.1  christos 		   elf_next_in_group (sec) = unw;
   4928   1.1  christos 		 }
   4929   1.1  christos 	       elf_sec_group (unw) = group;
   4930   1.8  christos 	     }
   4931   1.1  christos 
   4932   1.1  christos 	   /* Fake SHT_GROUP section header.  */
   4933   1.8  christos 	  elf_section_data (group)->this_hdr.bfd_section = group;
   4934   1.1  christos 	  elf_section_data (group)->this_hdr.sh_type = SHT_GROUP;
   4935   1.1  christos 	}
   4936   1.3  christos     }
   4937   1.3  christos   return true;
   4938   1.1  christos }
   4939   1.1  christos 
   4940   1.8  christos static bool
   4941   1.7  christos elfNN_ia64_hpux_vec (const bfd_target *vec)
   4942   1.1  christos {
   4943   1.7  christos   extern const bfd_target ia64_elfNN_hpux_be_vec;
   4944   1.1  christos   return (vec == &ia64_elfNN_hpux_be_vec);
   4945   1.7  christos }
   4946   1.8  christos 
   4947   1.7  christos static bool
   4948   1.7  christos elfNN_hpux_init_file_header (bfd *abfd, struct bfd_link_info *info)
   4949   1.1  christos {
   4950   1.1  christos   Elf_Internal_Ehdr *i_ehdrp;
   4951   1.8  christos 
   4952   1.1  christos   if (!_bfd_elf_init_file_header (abfd, info))
   4953   1.1  christos     return false;
   4954   1.8  christos 
   4955   1.1  christos   i_ehdrp = elf_elfheader (abfd);
   4956   1.1  christos   i_ehdrp->e_ident[EI_OSABI] = get_elf_backend_data (abfd)->elf_osabi;
   4957   1.1  christos   i_ehdrp->e_ident[EI_ABIVERSION] = 1;
   4958   1.1  christos   return true;
   4959   1.1  christos }
   4960   1.1  christos 
   4961   1.8  christos static bool
   4962   1.1  christos elfNN_hpux_backend_section_from_bfd_section (bfd *abfd ATTRIBUTE_UNUSED,
   4963   1.8  christos 					     asection *sec, int *retval)
   4964   1.1  christos {
   4965   1.1  christos   if (bfd_is_com_section (sec))
   4966   1.1  christos     {
   4967   1.1  christos       *retval = SHN_IA_64_ANSI_COMMON;
   4968   1.1  christos       return true;
   4969   1.1  christos     }
   4970   1.1  christos   return false;
   4971   1.1  christos }
   4972   1.1  christos 
   4973   1.1  christos static void
   4974   1.1  christos elfNN_hpux_backend_symbol_processing (bfd *abfd ATTRIBUTE_UNUSED,
   4975   1.1  christos 				      asymbol *asym)
   4976   1.1  christos {
   4977   1.1  christos   elf_symbol_type *elfsym = (elf_symbol_type *) asym;
   4978   1.1  christos 
   4979   1.1  christos   switch (elfsym->internal_elf_sym.st_shndx)
   4980   1.1  christos     {
   4981   1.8  christos     case SHN_IA_64_ANSI_COMMON:
   4982   1.8  christos       asym->section = bfd_com_section_ptr;
   4983   1.8  christos       asym->value = elfsym->internal_elf_sym.st_size;
   4984   1.8  christos       asym->flags &= ~BSF_GLOBAL;
   4985   1.8  christos       break;
   4986   1.1  christos     }
   4987   1.3  christos }
   4988   1.1  christos 
   4989   1.3  christos static void
   4990   1.1  christos ignore_errors (const char *fmt ATTRIBUTE_UNUSED, ...)
   4991   1.1  christos {
   4992   1.1  christos }
   4993   1.1  christos 
   4994   1.1  christos #define TARGET_LITTLE_SYM		ia64_elfNN_le_vec
   4996   1.1  christos #define TARGET_LITTLE_NAME		"elfNN-ia64-little"
   4997   1.1  christos #define TARGET_BIG_SYM			ia64_elfNN_be_vec
   4998   1.1  christos #define TARGET_BIG_NAME			"elfNN-ia64-big"
   4999   1.1  christos #define ELF_ARCH			bfd_arch_ia64
   5000   1.1  christos #define ELF_TARGET_ID			IA64_ELF_DATA
   5001   1.1  christos #define ELF_MACHINE_CODE		EM_IA_64
   5002   1.1  christos #define ELF_MACHINE_ALT1		1999	/* EAS2.3 */
   5003   1.1  christos #define ELF_MACHINE_ALT2		1998	/* EAS2.2 */
   5004   1.1  christos #define ELF_MAXPAGESIZE			0x10000	/* 64KB */
   5005   1.1  christos #define ELF_COMMONPAGESIZE		0x4000	/* 16KB */
   5006   1.1  christos 
   5007   1.1  christos #define elf_backend_section_from_shdr \
   5008   1.1  christos 	elfNN_ia64_section_from_shdr
   5009   1.1  christos #define elf_backend_section_flags \
   5010   1.1  christos 	elfNN_ia64_section_flags
   5011   1.1  christos #define elf_backend_fake_sections \
   5012   1.1  christos 	elfNN_ia64_fake_sections
   5013   1.7  christos #define elf_backend_final_write_processing \
   5014   1.7  christos 	elfNN_ia64_final_write_processing
   5015   1.1  christos #define elf_backend_add_symbol_hook \
   5016   1.1  christos 	elfNN_ia64_add_symbol_hook
   5017   1.1  christos #define elf_backend_additional_program_headers \
   5018   1.1  christos 	elfNN_ia64_additional_program_headers
   5019   1.1  christos #define elf_backend_modify_segment_map \
   5020   1.1  christos 	elfNN_ia64_modify_segment_map
   5021   1.1  christos #define elf_backend_modify_headers \
   5022   1.1  christos 	elfNN_ia64_modify_headers
   5023   1.1  christos #define elf_info_to_howto \
   5024   1.1  christos 	elfNN_ia64_info_to_howto
   5025   1.1  christos 
   5026   1.1  christos #define bfd_elfNN_bfd_reloc_type_lookup \
   5027   1.1  christos 	ia64_elf_reloc_type_lookup
   5028   1.1  christos #define bfd_elfNN_bfd_reloc_name_lookup \
   5029   1.1  christos 	ia64_elf_reloc_name_lookup
   5030   1.1  christos #define bfd_elfNN_bfd_is_local_label_name \
   5031   1.1  christos 	elfNN_ia64_is_local_label_name
   5032   1.1  christos #define bfd_elfNN_bfd_relax_section \
   5033   1.1  christos 	elfNN_ia64_relax_section
   5034   1.1  christos 
   5035   1.1  christos #define elf_backend_object_p \
   5036   1.1  christos 	elfNN_ia64_object_p
   5037   1.1  christos 
   5038   1.1  christos /* Stuff for the BFD linker: */
   5039  1.10  christos #define bfd_elfNN_bfd_link_hash_table_create \
   5040  1.10  christos 	elfNN_ia64_hash_table_create
   5041   1.1  christos #define elf_backend_create_dynamic_sections \
   5042   1.6  christos 	elfNN_ia64_create_dynamic_sections
   5043   1.1  christos #define elf_backend_check_relocs \
   5044   1.1  christos 	elfNN_ia64_check_relocs
   5045   1.1  christos #define elf_backend_adjust_dynamic_symbol \
   5046   1.1  christos 	elfNN_ia64_adjust_dynamic_symbol
   5047   1.1  christos #define elf_backend_late_size_sections \
   5048   1.1  christos 	elfNN_ia64_late_size_sections
   5049   1.1  christos #define elf_backend_omit_section_dynsym \
   5050   1.1  christos 	_bfd_elf_omit_section_dynsym_all
   5051   1.1  christos #define elf_backend_relocate_section \
   5052   1.1  christos 	elfNN_ia64_relocate_section
   5053   1.1  christos #define elf_backend_finish_dynamic_symbol \
   5054   1.1  christos 	elfNN_ia64_finish_dynamic_symbol
   5055   1.1  christos #define elf_backend_finish_dynamic_sections \
   5056   1.1  christos 	elfNN_ia64_finish_dynamic_sections
   5057   1.1  christos #define bfd_elfNN_bfd_final_link \
   5058   1.1  christos 	elfNN_ia64_final_link
   5059   1.1  christos 
   5060   1.6  christos #define bfd_elfNN_bfd_merge_private_bfd_data \
   5061   1.1  christos 	elfNN_ia64_merge_private_bfd_data
   5062   1.1  christos #define bfd_elfNN_bfd_set_private_flags \
   5063   1.1  christos 	elfNN_ia64_set_private_flags
   5064   1.1  christos #define bfd_elfNN_bfd_print_private_bfd_data \
   5065   1.1  christos 	elfNN_ia64_print_private_bfd_data
   5066   1.1  christos 
   5067   1.1  christos #define elf_backend_plt_readonly	1
   5068   1.1  christos #define elf_backend_can_gc_sections	1
   5069   1.1  christos #define elf_backend_want_plt_sym	0
   5070   1.1  christos #define elf_backend_plt_alignment	5
   5071   1.1  christos #define elf_backend_got_header_size	0
   5072   1.1  christos #define elf_backend_want_got_plt	1
   5073   1.1  christos #define elf_backend_may_use_rel_p	1
   5074   1.6  christos #define elf_backend_may_use_rela_p	1
   5075   1.1  christos #define elf_backend_default_use_rela_p	1
   5076   1.1  christos #define elf_backend_want_dynbss		0
   5077   1.1  christos #define elf_backend_copy_indirect_symbol elfNN_ia64_hash_copy_indirect
   5078   1.1  christos #define elf_backend_hide_symbol		elfNN_ia64_hash_hide_symbol
   5079   1.1  christos #define elf_backend_fixup_symbol	_bfd_elf_link_hash_fixup_symbol
   5080   1.1  christos #define elf_backend_reloc_type_class	elfNN_ia64_reloc_type_class
   5081   1.1  christos #define elf_backend_rela_normal		1
   5082   1.1  christos #define elf_backend_dtrel_excludes_plt	1
   5083   1.8  christos #define elf_backend_special_sections	elfNN_ia64_special_sections
   5084   1.1  christos #define elf_backend_default_execstack	0
   5085   1.1  christos 
   5086   1.1  christos /* FIXME: PR 290: The Intel C compiler generates SHT_IA_64_UNWIND with
   5087   1.1  christos    SHF_LINK_ORDER. But it doesn't set the sh_link or sh_info fields.
   5088   1.1  christos    We don't want to flood users with so many error messages. We turn
   5089   1.1  christos    off the warning for now. It will be turned on later when the Intel
   5090   1.1  christos    compiler is fixed.   */
   5091   1.1  christos #define elf_backend_link_order_error_handler ignore_errors
   5092   1.6  christos 
   5093   1.6  christos #include "elfNN-target.h"
   5094   1.6  christos 
   5095   1.1  christos /* HPUX-specific vectors.  */
   5096   1.1  christos 
   5097   1.1  christos #undef  TARGET_LITTLE_SYM
   5098   1.7  christos #undef  TARGET_LITTLE_NAME
   5099   1.7  christos #undef  TARGET_BIG_SYM
   5100   1.1  christos #define TARGET_BIG_SYM			ia64_elfNN_hpux_be_vec
   5101   1.1  christos #undef	TARGET_BIG_NAME
   5102   1.1  christos #define TARGET_BIG_NAME			"elfNN-ia64-hpux-big"
   5103   1.1  christos 
   5104   1.1  christos /* These are HP-UX specific functions.  */
   5105   1.1  christos 
   5106   1.1  christos #undef  elf_backend_init_file_header
   5107   1.1  christos #define elf_backend_init_file_header elfNN_hpux_init_file_header
   5108   1.1  christos 
   5109   1.1  christos #undef  elf_backend_section_from_bfd_section
   5110   1.1  christos #define elf_backend_section_from_bfd_section elfNN_hpux_backend_section_from_bfd_section
   5111   1.1  christos 
   5112   1.1  christos #undef elf_backend_symbol_processing
   5113   1.1  christos #define elf_backend_symbol_processing elfNN_hpux_backend_symbol_processing
   5114   1.1  christos 
   5115   1.1  christos #undef  elf_backend_want_p_paddr_set_to_zero
   5116   1.1  christos #define elf_backend_want_p_paddr_set_to_zero 1
   5117   1.1  christos 
   5118                 #undef ELF_COMMONPAGESIZE
   5119                 #undef ELF_OSABI
   5120                 #define ELF_OSABI			ELFOSABI_HPUX
   5121                 
   5122                 #undef  elfNN_bed
   5123                 #define elfNN_bed elfNN_ia64_hpux_bed
   5124                 
   5125                 #include "elfNN-target.h"
   5126