elfxx-sparc.c revision 1.13 1 1.1 skrll /* SPARC-specific support for ELF
2 1.13 christos Copyright (C) 2005-2018 Free Software Foundation, Inc.
3 1.1 skrll
4 1.1 skrll This file is part of BFD, the Binary File Descriptor library.
5 1.1 skrll
6 1.1 skrll This program is free software; you can redistribute it and/or modify
7 1.1 skrll it under the terms of the GNU General Public License as published by
8 1.1 skrll the Free Software Foundation; either version 3 of the License, or
9 1.1 skrll (at your option) any later version.
10 1.1 skrll
11 1.1 skrll This program is distributed in the hope that it will be useful,
12 1.1 skrll but WITHOUT ANY WARRANTY; without even the implied warranty of
13 1.1 skrll MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
14 1.1 skrll GNU General Public License for more details.
15 1.1 skrll
16 1.1 skrll You should have received a copy of the GNU General Public License
17 1.1 skrll along with this program; if not, write to the Free Software
18 1.1 skrll Foundation, Inc., 51 Franklin Street - Fifth Floor, Boston,
19 1.1 skrll MA 02110-1301, USA. */
20 1.1 skrll
21 1.1 skrll
22 1.1 skrll /* This file handles functionality common to the different SPARC ABI's. */
23 1.1 skrll
24 1.1 skrll #include "sysdep.h"
25 1.1 skrll #include "bfd.h"
26 1.1 skrll #include "bfdlink.h"
27 1.1 skrll #include "libbfd.h"
28 1.1 skrll #include "libiberty.h"
29 1.1 skrll #include "elf-bfd.h"
30 1.1 skrll #include "elf/sparc.h"
31 1.1 skrll #include "opcode/sparc.h"
32 1.1 skrll #include "elfxx-sparc.h"
33 1.1 skrll #include "elf-vxworks.h"
34 1.3 christos #include "objalloc.h"
35 1.3 christos #include "hashtab.h"
36 1.1 skrll
37 1.1 skrll /* In case we're on a 32-bit machine, construct a 64-bit "-1" value. */
38 1.1 skrll #define MINUS_ONE (~ (bfd_vma) 0)
39 1.1 skrll
40 1.1 skrll #define ABI_64_P(abfd) \
41 1.1 skrll (get_elf_backend_data (abfd)->s->elfclass == ELFCLASS64)
42 1.1 skrll
43 1.1 skrll /* The relocation "howto" table. */
44 1.1 skrll
45 1.1 skrll /* Utility for performing the standard initial work of an instruction
46 1.1 skrll relocation.
47 1.1 skrll *PRELOCATION will contain the relocated item.
48 1.1 skrll *PINSN will contain the instruction from the input stream.
49 1.1 skrll If the result is `bfd_reloc_other' the caller can continue with
50 1.1 skrll performing the relocation. Otherwise it must stop and return the
51 1.1 skrll value to its caller. */
52 1.1 skrll
53 1.1 skrll static bfd_reloc_status_type
54 1.1 skrll init_insn_reloc (bfd *abfd, arelent *reloc_entry, asymbol *symbol,
55 1.6 christos void * data, asection *input_section, bfd *output_bfd,
56 1.1 skrll bfd_vma *prelocation, bfd_vma *pinsn)
57 1.1 skrll {
58 1.1 skrll bfd_vma relocation;
59 1.1 skrll reloc_howto_type *howto = reloc_entry->howto;
60 1.1 skrll
61 1.1 skrll if (output_bfd != (bfd *) NULL
62 1.1 skrll && (symbol->flags & BSF_SECTION_SYM) == 0
63 1.1 skrll && (! howto->partial_inplace
64 1.1 skrll || reloc_entry->addend == 0))
65 1.1 skrll {
66 1.1 skrll reloc_entry->address += input_section->output_offset;
67 1.1 skrll return bfd_reloc_ok;
68 1.1 skrll }
69 1.1 skrll
70 1.1 skrll /* This works because partial_inplace is FALSE. */
71 1.1 skrll if (output_bfd != NULL)
72 1.1 skrll return bfd_reloc_continue;
73 1.1 skrll
74 1.1 skrll if (reloc_entry->address > bfd_get_section_limit (abfd, input_section))
75 1.1 skrll return bfd_reloc_outofrange;
76 1.1 skrll
77 1.1 skrll relocation = (symbol->value
78 1.1 skrll + symbol->section->output_section->vma
79 1.1 skrll + symbol->section->output_offset);
80 1.1 skrll relocation += reloc_entry->addend;
81 1.1 skrll if (howto->pc_relative)
82 1.1 skrll {
83 1.1 skrll relocation -= (input_section->output_section->vma
84 1.1 skrll + input_section->output_offset);
85 1.1 skrll relocation -= reloc_entry->address;
86 1.1 skrll }
87 1.1 skrll
88 1.1 skrll *prelocation = relocation;
89 1.1 skrll *pinsn = bfd_get_32 (abfd, (bfd_byte *) data + reloc_entry->address);
90 1.1 skrll return bfd_reloc_other;
91 1.1 skrll }
92 1.1 skrll
93 1.1 skrll /* For unsupported relocs. */
94 1.1 skrll
95 1.1 skrll static bfd_reloc_status_type
96 1.1 skrll sparc_elf_notsup_reloc (bfd *abfd ATTRIBUTE_UNUSED,
97 1.1 skrll arelent *reloc_entry ATTRIBUTE_UNUSED,
98 1.1 skrll asymbol *symbol ATTRIBUTE_UNUSED,
99 1.6 christos void * data ATTRIBUTE_UNUSED,
100 1.1 skrll asection *input_section ATTRIBUTE_UNUSED,
101 1.1 skrll bfd *output_bfd ATTRIBUTE_UNUSED,
102 1.1 skrll char **error_message ATTRIBUTE_UNUSED)
103 1.1 skrll {
104 1.1 skrll return bfd_reloc_notsupported;
105 1.1 skrll }
106 1.1 skrll
107 1.1 skrll /* Handle the WDISP16 reloc. */
108 1.1 skrll
109 1.1 skrll static bfd_reloc_status_type
110 1.1 skrll sparc_elf_wdisp16_reloc (bfd *abfd, arelent *reloc_entry, asymbol *symbol,
111 1.6 christos void * data, asection *input_section, bfd *output_bfd,
112 1.1 skrll char **error_message ATTRIBUTE_UNUSED)
113 1.1 skrll {
114 1.1 skrll bfd_vma relocation;
115 1.1 skrll bfd_vma insn;
116 1.1 skrll bfd_reloc_status_type status;
117 1.1 skrll
118 1.1 skrll status = init_insn_reloc (abfd, reloc_entry, symbol, data,
119 1.1 skrll input_section, output_bfd, &relocation, &insn);
120 1.1 skrll if (status != bfd_reloc_other)
121 1.1 skrll return status;
122 1.1 skrll
123 1.1 skrll insn &= ~ (bfd_vma) 0x303fff;
124 1.1 skrll insn |= (((relocation >> 2) & 0xc000) << 6) | ((relocation >> 2) & 0x3fff);
125 1.1 skrll bfd_put_32 (abfd, insn, (bfd_byte *) data + reloc_entry->address);
126 1.1 skrll
127 1.1 skrll if ((bfd_signed_vma) relocation < - 0x40000
128 1.1 skrll || (bfd_signed_vma) relocation > 0x3ffff)
129 1.1 skrll return bfd_reloc_overflow;
130 1.1 skrll else
131 1.1 skrll return bfd_reloc_ok;
132 1.1 skrll }
133 1.1 skrll
134 1.6 christos /* Handle the WDISP10 reloc. */
135 1.6 christos
136 1.6 christos static bfd_reloc_status_type
137 1.6 christos sparc_elf_wdisp10_reloc (bfd *abfd, arelent *reloc_entry, asymbol *symbol,
138 1.6 christos void * data, asection *input_section, bfd *output_bfd,
139 1.6 christos char **error_message ATTRIBUTE_UNUSED)
140 1.6 christos {
141 1.6 christos bfd_vma relocation;
142 1.6 christos bfd_vma insn;
143 1.6 christos bfd_reloc_status_type status;
144 1.6 christos
145 1.6 christos status = init_insn_reloc (abfd, reloc_entry, symbol, data,
146 1.6 christos input_section, output_bfd, &relocation, &insn);
147 1.6 christos if (status != bfd_reloc_other)
148 1.6 christos return status;
149 1.6 christos
150 1.6 christos insn &= ~ (bfd_vma) 0x181fe0;
151 1.6 christos insn |= (((relocation >> 2) & 0x300) << 11)
152 1.6 christos | (((relocation >> 2) & 0xff) << 5);
153 1.6 christos bfd_put_32 (abfd, insn, (bfd_byte *) data + reloc_entry->address);
154 1.6 christos
155 1.6 christos if ((bfd_signed_vma) relocation < - 0x1000
156 1.6 christos || (bfd_signed_vma) relocation > 0xfff)
157 1.6 christos return bfd_reloc_overflow;
158 1.6 christos else
159 1.6 christos return bfd_reloc_ok;
160 1.6 christos }
161 1.6 christos
162 1.1 skrll /* Handle the HIX22 reloc. */
163 1.1 skrll
164 1.1 skrll static bfd_reloc_status_type
165 1.1 skrll sparc_elf_hix22_reloc (bfd *abfd, arelent *reloc_entry, asymbol *symbol,
166 1.6 christos void * data, asection *input_section, bfd *output_bfd,
167 1.1 skrll char **error_message ATTRIBUTE_UNUSED)
168 1.1 skrll {
169 1.1 skrll bfd_vma relocation;
170 1.1 skrll bfd_vma insn;
171 1.1 skrll bfd_reloc_status_type status;
172 1.1 skrll
173 1.1 skrll status = init_insn_reloc (abfd, reloc_entry, symbol, data,
174 1.1 skrll input_section, output_bfd, &relocation, &insn);
175 1.1 skrll if (status != bfd_reloc_other)
176 1.1 skrll return status;
177 1.1 skrll
178 1.1 skrll relocation ^= MINUS_ONE;
179 1.1 skrll insn = (insn &~ (bfd_vma) 0x3fffff) | ((relocation >> 10) & 0x3fffff);
180 1.1 skrll bfd_put_32 (abfd, insn, (bfd_byte *) data + reloc_entry->address);
181 1.1 skrll
182 1.1 skrll if ((relocation & ~ (bfd_vma) 0xffffffff) != 0)
183 1.1 skrll return bfd_reloc_overflow;
184 1.1 skrll else
185 1.1 skrll return bfd_reloc_ok;
186 1.1 skrll }
187 1.1 skrll
188 1.1 skrll /* Handle the LOX10 reloc. */
189 1.1 skrll
190 1.1 skrll static bfd_reloc_status_type
191 1.1 skrll sparc_elf_lox10_reloc (bfd *abfd, arelent *reloc_entry, asymbol *symbol,
192 1.6 christos void * data, asection *input_section, bfd *output_bfd,
193 1.1 skrll char **error_message ATTRIBUTE_UNUSED)
194 1.1 skrll {
195 1.1 skrll bfd_vma relocation;
196 1.1 skrll bfd_vma insn;
197 1.1 skrll bfd_reloc_status_type status;
198 1.1 skrll
199 1.1 skrll status = init_insn_reloc (abfd, reloc_entry, symbol, data,
200 1.1 skrll input_section, output_bfd, &relocation, &insn);
201 1.1 skrll if (status != bfd_reloc_other)
202 1.1 skrll return status;
203 1.1 skrll
204 1.1 skrll insn = (insn &~ (bfd_vma) 0x1fff) | 0x1c00 | (relocation & 0x3ff);
205 1.1 skrll bfd_put_32 (abfd, insn, (bfd_byte *) data + reloc_entry->address);
206 1.1 skrll
207 1.1 skrll return bfd_reloc_ok;
208 1.1 skrll }
209 1.1 skrll
210 1.1 skrll static reloc_howto_type _bfd_sparc_elf_howto_table[] =
211 1.1 skrll {
212 1.13 christos HOWTO(R_SPARC_NONE, 0,3, 0,FALSE,0,complain_overflow_dont, bfd_elf_generic_reloc, "R_SPARC_NONE", FALSE,0,0x00000000,TRUE),
213 1.13 christos HOWTO(R_SPARC_8, 0,0, 8,FALSE,0,complain_overflow_bitfield,bfd_elf_generic_reloc, "R_SPARC_8", FALSE,0,0x000000ff,TRUE),
214 1.13 christos HOWTO(R_SPARC_16, 0,1,16,FALSE,0,complain_overflow_bitfield,bfd_elf_generic_reloc, "R_SPARC_16", FALSE,0,0x0000ffff,TRUE),
215 1.13 christos HOWTO(R_SPARC_32, 0,2,32,FALSE,0,complain_overflow_bitfield,bfd_elf_generic_reloc, "R_SPARC_32", FALSE,0,0xffffffff,TRUE),
216 1.13 christos HOWTO(R_SPARC_DISP8, 0,0, 8,TRUE, 0,complain_overflow_signed, bfd_elf_generic_reloc, "R_SPARC_DISP8", FALSE,0,0x000000ff,TRUE),
217 1.13 christos HOWTO(R_SPARC_DISP16, 0,1,16,TRUE, 0,complain_overflow_signed, bfd_elf_generic_reloc, "R_SPARC_DISP16", FALSE,0,0x0000ffff,TRUE),
218 1.13 christos HOWTO(R_SPARC_DISP32, 0,2,32,TRUE, 0,complain_overflow_signed, bfd_elf_generic_reloc, "R_SPARC_DISP32", FALSE,0,0xffffffff,TRUE),
219 1.1 skrll HOWTO(R_SPARC_WDISP30, 2,2,30,TRUE, 0,complain_overflow_signed, bfd_elf_generic_reloc, "R_SPARC_WDISP30", FALSE,0,0x3fffffff,TRUE),
220 1.1 skrll HOWTO(R_SPARC_WDISP22, 2,2,22,TRUE, 0,complain_overflow_signed, bfd_elf_generic_reloc, "R_SPARC_WDISP22", FALSE,0,0x003fffff,TRUE),
221 1.13 christos HOWTO(R_SPARC_HI22, 10,2,22,FALSE,0,complain_overflow_dont, bfd_elf_generic_reloc, "R_SPARC_HI22", FALSE,0,0x003fffff,TRUE),
222 1.13 christos HOWTO(R_SPARC_22, 0,2,22,FALSE,0,complain_overflow_bitfield,bfd_elf_generic_reloc, "R_SPARC_22", FALSE,0,0x003fffff,TRUE),
223 1.13 christos HOWTO(R_SPARC_13, 0,2,13,FALSE,0,complain_overflow_bitfield,bfd_elf_generic_reloc, "R_SPARC_13", FALSE,0,0x00001fff,TRUE),
224 1.13 christos HOWTO(R_SPARC_LO10, 0,2,10,FALSE,0,complain_overflow_dont, bfd_elf_generic_reloc, "R_SPARC_LO10", FALSE,0,0x000003ff,TRUE),
225 1.13 christos HOWTO(R_SPARC_GOT10, 0,2,10,FALSE,0,complain_overflow_dont, bfd_elf_generic_reloc, "R_SPARC_GOT10", FALSE,0,0x000003ff,TRUE),
226 1.13 christos HOWTO(R_SPARC_GOT13, 0,2,13,FALSE,0,complain_overflow_signed, bfd_elf_generic_reloc, "R_SPARC_GOT13", FALSE,0,0x00001fff,TRUE),
227 1.13 christos HOWTO(R_SPARC_GOT22, 10,2,22,FALSE,0,complain_overflow_dont, bfd_elf_generic_reloc, "R_SPARC_GOT22", FALSE,0,0x003fffff,TRUE),
228 1.13 christos HOWTO(R_SPARC_PC10, 0,2,10,TRUE, 0,complain_overflow_dont, bfd_elf_generic_reloc, "R_SPARC_PC10", FALSE,0,0x000003ff,TRUE),
229 1.13 christos HOWTO(R_SPARC_PC22, 10,2,22,TRUE, 0,complain_overflow_bitfield,bfd_elf_generic_reloc, "R_SPARC_PC22", FALSE,0,0x003fffff,TRUE),
230 1.13 christos HOWTO(R_SPARC_WPLT30, 2,2,30,TRUE, 0,complain_overflow_signed, bfd_elf_generic_reloc, "R_SPARC_WPLT30", FALSE,0,0x3fffffff,TRUE),
231 1.13 christos HOWTO(R_SPARC_COPY, 0,0,00,FALSE,0,complain_overflow_dont, bfd_elf_generic_reloc, "R_SPARC_COPY", FALSE,0,0x00000000,TRUE),
232 1.1 skrll HOWTO(R_SPARC_GLOB_DAT, 0,0,00,FALSE,0,complain_overflow_dont, bfd_elf_generic_reloc, "R_SPARC_GLOB_DAT",FALSE,0,0x00000000,TRUE),
233 1.1 skrll HOWTO(R_SPARC_JMP_SLOT, 0,0,00,FALSE,0,complain_overflow_dont, bfd_elf_generic_reloc, "R_SPARC_JMP_SLOT",FALSE,0,0x00000000,TRUE),
234 1.1 skrll HOWTO(R_SPARC_RELATIVE, 0,0,00,FALSE,0,complain_overflow_dont, bfd_elf_generic_reloc, "R_SPARC_RELATIVE",FALSE,0,0x00000000,TRUE),
235 1.13 christos HOWTO(R_SPARC_UA32, 0,2,32,FALSE,0,complain_overflow_bitfield,bfd_elf_generic_reloc, "R_SPARC_UA32", FALSE,0,0xffffffff,TRUE),
236 1.13 christos HOWTO(R_SPARC_PLT32, 0,2,32,FALSE,0,complain_overflow_bitfield,bfd_elf_generic_reloc, "R_SPARC_PLT32", FALSE,0,0xffffffff,TRUE),
237 1.13 christos HOWTO(R_SPARC_HIPLT22, 0,0,00,FALSE,0,complain_overflow_dont, sparc_elf_notsup_reloc, "R_SPARC_HIPLT22", FALSE,0,0x00000000,TRUE),
238 1.13 christos HOWTO(R_SPARC_LOPLT10, 0,0,00,FALSE,0,complain_overflow_dont, sparc_elf_notsup_reloc, "R_SPARC_LOPLT10", FALSE,0,0x00000000,TRUE),
239 1.13 christos HOWTO(R_SPARC_PCPLT32, 0,0,00,FALSE,0,complain_overflow_dont, sparc_elf_notsup_reloc, "R_SPARC_PCPLT32", FALSE,0,0x00000000,TRUE),
240 1.13 christos HOWTO(R_SPARC_PCPLT22, 0,0,00,FALSE,0,complain_overflow_dont, sparc_elf_notsup_reloc, "R_SPARC_PCPLT22", FALSE,0,0x00000000,TRUE),
241 1.13 christos HOWTO(R_SPARC_PCPLT10, 0,0,00,FALSE,0,complain_overflow_dont, sparc_elf_notsup_reloc, "R_SPARC_PCPLT10", FALSE,0,0x00000000,TRUE),
242 1.13 christos HOWTO(R_SPARC_10, 0,2,10,FALSE,0,complain_overflow_bitfield,bfd_elf_generic_reloc, "R_SPARC_10", FALSE,0,0x000003ff,TRUE),
243 1.13 christos HOWTO(R_SPARC_11, 0,2,11,FALSE,0,complain_overflow_bitfield,bfd_elf_generic_reloc, "R_SPARC_11", FALSE,0,0x000007ff,TRUE),
244 1.13 christos HOWTO(R_SPARC_64, 0,4,64,FALSE,0,complain_overflow_bitfield,bfd_elf_generic_reloc, "R_SPARC_64", FALSE,0,MINUS_ONE, TRUE),
245 1.13 christos HOWTO(R_SPARC_OLO10, 0,2,13,FALSE,0,complain_overflow_signed, sparc_elf_notsup_reloc, "R_SPARC_OLO10", FALSE,0,0x00001fff,TRUE),
246 1.13 christos HOWTO(R_SPARC_HH22, 42,2,22,FALSE,0,complain_overflow_unsigned,bfd_elf_generic_reloc, "R_SPARC_HH22", FALSE,0,0x003fffff,TRUE),
247 1.13 christos HOWTO(R_SPARC_HM10, 32,2,10,FALSE,0,complain_overflow_dont, bfd_elf_generic_reloc, "R_SPARC_HM10", FALSE,0,0x000003ff,TRUE),
248 1.13 christos HOWTO(R_SPARC_LM22, 10,2,22,FALSE,0,complain_overflow_dont, bfd_elf_generic_reloc, "R_SPARC_LM22", FALSE,0,0x003fffff,TRUE),
249 1.13 christos HOWTO(R_SPARC_PC_HH22, 42,2,22,TRUE, 0,complain_overflow_unsigned,bfd_elf_generic_reloc, "R_SPARC_PC_HH22", FALSE,0,0x003fffff,TRUE),
250 1.13 christos HOWTO(R_SPARC_PC_HM10, 32,2,10,TRUE, 0,complain_overflow_dont, bfd_elf_generic_reloc, "R_SPARC_PC_HM10", FALSE,0,0x000003ff,TRUE),
251 1.13 christos HOWTO(R_SPARC_PC_LM22, 10,2,22,TRUE, 0,complain_overflow_dont, bfd_elf_generic_reloc, "R_SPARC_PC_LM22", FALSE,0,0x003fffff,TRUE),
252 1.1 skrll HOWTO(R_SPARC_WDISP16, 2,2,16,TRUE, 0,complain_overflow_signed, sparc_elf_wdisp16_reloc,"R_SPARC_WDISP16", FALSE,0,0x00000000,TRUE),
253 1.1 skrll HOWTO(R_SPARC_WDISP19, 2,2,19,TRUE, 0,complain_overflow_signed, bfd_elf_generic_reloc, "R_SPARC_WDISP19", FALSE,0,0x0007ffff,TRUE),
254 1.1 skrll HOWTO(R_SPARC_UNUSED_42, 0,0, 0,FALSE,0,complain_overflow_dont, bfd_elf_generic_reloc, "R_SPARC_UNUSED_42",FALSE,0,0x00000000,TRUE),
255 1.13 christos HOWTO(R_SPARC_7, 0,2, 7,FALSE,0,complain_overflow_bitfield,bfd_elf_generic_reloc, "R_SPARC_7", FALSE,0,0x0000007f,TRUE),
256 1.13 christos HOWTO(R_SPARC_5, 0,2, 5,FALSE,0,complain_overflow_bitfield,bfd_elf_generic_reloc, "R_SPARC_5", FALSE,0,0x0000001f,TRUE),
257 1.13 christos HOWTO(R_SPARC_6, 0,2, 6,FALSE,0,complain_overflow_bitfield,bfd_elf_generic_reloc, "R_SPARC_6", FALSE,0,0x0000003f,TRUE),
258 1.13 christos HOWTO(R_SPARC_DISP64, 0,4,64,TRUE, 0,complain_overflow_signed, bfd_elf_generic_reloc, "R_SPARC_DISP64", FALSE,0,MINUS_ONE, TRUE),
259 1.13 christos HOWTO(R_SPARC_PLT64, 0,4,64,FALSE,0,complain_overflow_bitfield,bfd_elf_generic_reloc, "R_SPARC_PLT64", FALSE,0,MINUS_ONE, TRUE),
260 1.13 christos HOWTO(R_SPARC_HIX22, 0,4, 0,FALSE,0,complain_overflow_bitfield,sparc_elf_hix22_reloc, "R_SPARC_HIX22", FALSE,0,MINUS_ONE, FALSE),
261 1.13 christos HOWTO(R_SPARC_LOX10, 0,4, 0,FALSE,0,complain_overflow_dont, sparc_elf_lox10_reloc, "R_SPARC_LOX10", FALSE,0,MINUS_ONE, FALSE),
262 1.13 christos HOWTO(R_SPARC_H44, 22,2,22,FALSE,0,complain_overflow_unsigned,bfd_elf_generic_reloc, "R_SPARC_H44", FALSE,0,0x003fffff,FALSE),
263 1.13 christos HOWTO(R_SPARC_M44, 12,2,10,FALSE,0,complain_overflow_dont, bfd_elf_generic_reloc, "R_SPARC_M44", FALSE,0,0x000003ff,FALSE),
264 1.13 christos HOWTO(R_SPARC_L44, 0,2,13,FALSE,0,complain_overflow_dont, bfd_elf_generic_reloc, "R_SPARC_L44", FALSE,0,0x00000fff,FALSE),
265 1.1 skrll HOWTO(R_SPARC_REGISTER, 0,4, 0,FALSE,0,complain_overflow_bitfield,sparc_elf_notsup_reloc, "R_SPARC_REGISTER",FALSE,0,MINUS_ONE, FALSE),
266 1.13 christos HOWTO(R_SPARC_UA64, 0,4,64,FALSE,0,complain_overflow_bitfield,bfd_elf_generic_reloc, "R_SPARC_UA64", FALSE,0,MINUS_ONE, TRUE),
267 1.13 christos HOWTO(R_SPARC_UA16, 0,1,16,FALSE,0,complain_overflow_bitfield,bfd_elf_generic_reloc, "R_SPARC_UA16", FALSE,0,0x0000ffff,TRUE),
268 1.1 skrll HOWTO(R_SPARC_TLS_GD_HI22,10,2,22,FALSE,0,complain_overflow_dont, bfd_elf_generic_reloc, "R_SPARC_TLS_GD_HI22",FALSE,0,0x003fffff,TRUE),
269 1.1 skrll HOWTO(R_SPARC_TLS_GD_LO10,0,2,10,FALSE,0,complain_overflow_dont, bfd_elf_generic_reloc, "R_SPARC_TLS_GD_LO10",FALSE,0,0x000003ff,TRUE),
270 1.1 skrll HOWTO(R_SPARC_TLS_GD_ADD,0,0, 0,FALSE,0,complain_overflow_dont, bfd_elf_generic_reloc, "R_SPARC_TLS_GD_ADD",FALSE,0,0x00000000,TRUE),
271 1.1 skrll HOWTO(R_SPARC_TLS_GD_CALL,2,2,30,TRUE,0,complain_overflow_signed, bfd_elf_generic_reloc, "R_SPARC_TLS_GD_CALL",FALSE,0,0x3fffffff,TRUE),
272 1.1 skrll HOWTO(R_SPARC_TLS_LDM_HI22,10,2,22,FALSE,0,complain_overflow_dont, bfd_elf_generic_reloc, "R_SPARC_TLS_LDM_HI22",FALSE,0,0x003fffff,TRUE),
273 1.1 skrll HOWTO(R_SPARC_TLS_LDM_LO10,0,2,10,FALSE,0,complain_overflow_dont, bfd_elf_generic_reloc, "R_SPARC_TLS_LDM_LO10",FALSE,0,0x000003ff,TRUE),
274 1.1 skrll HOWTO(R_SPARC_TLS_LDM_ADD,0,0, 0,FALSE,0,complain_overflow_dont, bfd_elf_generic_reloc, "R_SPARC_TLS_LDM_ADD",FALSE,0,0x00000000,TRUE),
275 1.1 skrll HOWTO(R_SPARC_TLS_LDM_CALL,2,2,30,TRUE,0,complain_overflow_signed, bfd_elf_generic_reloc, "R_SPARC_TLS_LDM_CALL",FALSE,0,0x3fffffff,TRUE),
276 1.1 skrll HOWTO(R_SPARC_TLS_LDO_HIX22,0,2,0,FALSE,0,complain_overflow_bitfield,sparc_elf_hix22_reloc,"R_SPARC_TLS_LDO_HIX22",FALSE,0,0x003fffff, FALSE),
277 1.1 skrll HOWTO(R_SPARC_TLS_LDO_LOX10,0,2,0,FALSE,0,complain_overflow_dont, sparc_elf_lox10_reloc, "R_SPARC_TLS_LDO_LOX10",FALSE,0,0x000003ff, FALSE),
278 1.1 skrll HOWTO(R_SPARC_TLS_LDO_ADD,0,0, 0,FALSE,0,complain_overflow_dont, bfd_elf_generic_reloc, "R_SPARC_TLS_LDO_ADD",FALSE,0,0x00000000,TRUE),
279 1.1 skrll HOWTO(R_SPARC_TLS_IE_HI22,10,2,22,FALSE,0,complain_overflow_dont, bfd_elf_generic_reloc, "R_SPARC_TLS_IE_HI22",FALSE,0,0x003fffff,TRUE),
280 1.1 skrll HOWTO(R_SPARC_TLS_IE_LO10,0,2,10,FALSE,0,complain_overflow_dont, bfd_elf_generic_reloc, "R_SPARC_TLS_IE_LO10",FALSE,0,0x000003ff,TRUE),
281 1.1 skrll HOWTO(R_SPARC_TLS_IE_LD,0,0, 0,FALSE,0,complain_overflow_dont, bfd_elf_generic_reloc, "R_SPARC_TLS_IE_LD",FALSE,0,0x00000000,TRUE),
282 1.1 skrll HOWTO(R_SPARC_TLS_IE_LDX,0,0, 0,FALSE,0,complain_overflow_dont, bfd_elf_generic_reloc, "R_SPARC_TLS_IE_LDX",FALSE,0,0x00000000,TRUE),
283 1.1 skrll HOWTO(R_SPARC_TLS_IE_ADD,0,0, 0,FALSE,0,complain_overflow_dont, bfd_elf_generic_reloc, "R_SPARC_TLS_IE_ADD",FALSE,0,0x00000000,TRUE),
284 1.1 skrll HOWTO(R_SPARC_TLS_LE_HIX22,0,2,0,FALSE,0,complain_overflow_bitfield,sparc_elf_hix22_reloc, "R_SPARC_TLS_LE_HIX22",FALSE,0,0x003fffff, FALSE),
285 1.1 skrll HOWTO(R_SPARC_TLS_LE_LOX10,0,2,0,FALSE,0,complain_overflow_dont, sparc_elf_lox10_reloc, "R_SPARC_TLS_LE_LOX10",FALSE,0,0x000003ff, FALSE),
286 1.1 skrll HOWTO(R_SPARC_TLS_DTPMOD32,0,0, 0,FALSE,0,complain_overflow_dont, bfd_elf_generic_reloc, "R_SPARC_TLS_DTPMOD32",FALSE,0,0x00000000,TRUE),
287 1.1 skrll HOWTO(R_SPARC_TLS_DTPMOD64,0,0, 0,FALSE,0,complain_overflow_dont, bfd_elf_generic_reloc, "R_SPARC_TLS_DTPMOD64",FALSE,0,0x00000000,TRUE),
288 1.1 skrll HOWTO(R_SPARC_TLS_DTPOFF32,0,2,32,FALSE,0,complain_overflow_bitfield,bfd_elf_generic_reloc,"R_SPARC_TLS_DTPOFF32",FALSE,0,0xffffffff,TRUE),
289 1.1 skrll HOWTO(R_SPARC_TLS_DTPOFF64,0,4,64,FALSE,0,complain_overflow_bitfield,bfd_elf_generic_reloc,"R_SPARC_TLS_DTPOFF64",FALSE,0,MINUS_ONE,TRUE),
290 1.1 skrll HOWTO(R_SPARC_TLS_TPOFF32,0,0, 0,FALSE,0,complain_overflow_dont, bfd_elf_generic_reloc, "R_SPARC_TLS_TPOFF32",FALSE,0,0x00000000,TRUE),
291 1.1 skrll HOWTO(R_SPARC_TLS_TPOFF64,0,0, 0,FALSE,0,complain_overflow_dont, bfd_elf_generic_reloc, "R_SPARC_TLS_TPOFF64",FALSE,0,0x00000000,TRUE),
292 1.1 skrll HOWTO(R_SPARC_GOTDATA_HIX22,0,2,0,FALSE,0,complain_overflow_bitfield,sparc_elf_hix22_reloc,"R_SPARC_GOTDATA_HIX22",FALSE,0,0x003fffff, FALSE),
293 1.1 skrll HOWTO(R_SPARC_GOTDATA_LOX10,0,2,0,FALSE,0,complain_overflow_dont, sparc_elf_lox10_reloc, "R_SPARC_GOTDATA_LOX10",FALSE,0,0x000003ff, FALSE),
294 1.1 skrll HOWTO(R_SPARC_GOTDATA_OP_HIX22,0,2,0,FALSE,0,complain_overflow_bitfield,sparc_elf_hix22_reloc,"R_SPARC_GOTDATA_OP_HIX22",FALSE,0,0x003fffff, FALSE),
295 1.13 christos HOWTO(R_SPARC_GOTDATA_OP_LOX10,0,2,0,FALSE,0,complain_overflow_dont, sparc_elf_lox10_reloc, "R_SPARC_GOTDATA_OP_LOX10",FALSE,0,0x000003ff, FALSE),
296 1.1 skrll HOWTO(R_SPARC_GOTDATA_OP,0,0, 0,FALSE,0,complain_overflow_dont, bfd_elf_generic_reloc, "R_SPARC_GOTDATA_OP",FALSE,0,0x00000000,TRUE),
297 1.6 christos HOWTO(R_SPARC_H34,12,2,22,FALSE,0,complain_overflow_unsigned,bfd_elf_generic_reloc,"R_SPARC_H34",FALSE,0,0x003fffff,FALSE),
298 1.6 christos HOWTO(R_SPARC_SIZE32,0,2,32,FALSE,0,complain_overflow_bitfield,bfd_elf_generic_reloc,"R_SPARC_SIZE32",FALSE,0,0xffffffff,TRUE),
299 1.6 christos HOWTO(R_SPARC_SIZE64,0,4,64,FALSE,0,complain_overflow_bitfield,bfd_elf_generic_reloc,"R_SPARC_SIZE64",FALSE,0,MINUS_ONE, TRUE),
300 1.6 christos HOWTO(R_SPARC_WDISP10,2,2,10,TRUE, 0,complain_overflow_signed,sparc_elf_wdisp10_reloc,"R_SPARC_WDISP10",FALSE,0,0x00000000,TRUE),
301 1.1 skrll };
302 1.3 christos static reloc_howto_type sparc_jmp_irel_howto =
303 1.3 christos HOWTO(R_SPARC_JMP_IREL, 0,0,00,FALSE,0,complain_overflow_dont, bfd_elf_generic_reloc, "R_SPARC_JMP_IREL",FALSE,0,0x00000000,TRUE);
304 1.3 christos static reloc_howto_type sparc_irelative_howto =
305 1.3 christos HOWTO(R_SPARC_IRELATIVE, 0,0,00,FALSE,0,complain_overflow_dont, bfd_elf_generic_reloc, "R_SPARC_IRELATIVE",FALSE,0,0x00000000,TRUE);
306 1.1 skrll static reloc_howto_type sparc_vtinherit_howto =
307 1.1 skrll HOWTO (R_SPARC_GNU_VTINHERIT, 0,2,0,FALSE,0,complain_overflow_dont, NULL, "R_SPARC_GNU_VTINHERIT", FALSE,0, 0, FALSE);
308 1.1 skrll static reloc_howto_type sparc_vtentry_howto =
309 1.1 skrll HOWTO (R_SPARC_GNU_VTENTRY, 0,2,0,FALSE,0,complain_overflow_dont, _bfd_elf_rel_vtable_reloc_fn,"R_SPARC_GNU_VTENTRY", FALSE,0,0, FALSE);
310 1.1 skrll static reloc_howto_type sparc_rev32_howto =
311 1.1 skrll HOWTO(R_SPARC_REV32, 0,2,32,FALSE,0,complain_overflow_bitfield,bfd_elf_generic_reloc, "R_SPARC_REV32", FALSE,0,0xffffffff,TRUE);
312 1.1 skrll
313 1.1 skrll reloc_howto_type *
314 1.1 skrll _bfd_sparc_elf_reloc_type_lookup (bfd *abfd ATTRIBUTE_UNUSED,
315 1.1 skrll bfd_reloc_code_real_type code)
316 1.1 skrll {
317 1.3 christos /* We explicitly handle each relocation type in the switch
318 1.3 christos instead of using a lookup table for efficiency. */
319 1.1 skrll switch (code)
320 1.1 skrll {
321 1.3 christos case BFD_RELOC_NONE:
322 1.3 christos return &_bfd_sparc_elf_howto_table[R_SPARC_NONE];
323 1.3 christos
324 1.3 christos case BFD_RELOC_8:
325 1.3 christos return &_bfd_sparc_elf_howto_table[R_SPARC_8];
326 1.3 christos
327 1.3 christos case BFD_RELOC_16:
328 1.3 christos return &_bfd_sparc_elf_howto_table[R_SPARC_16];
329 1.3 christos
330 1.3 christos case BFD_RELOC_32:
331 1.3 christos return &_bfd_sparc_elf_howto_table[R_SPARC_32];
332 1.3 christos
333 1.3 christos case BFD_RELOC_8_PCREL:
334 1.3 christos return &_bfd_sparc_elf_howto_table[R_SPARC_DISP8];
335 1.3 christos
336 1.3 christos case BFD_RELOC_16_PCREL:
337 1.3 christos return &_bfd_sparc_elf_howto_table[R_SPARC_DISP16];
338 1.3 christos
339 1.3 christos case BFD_RELOC_32_PCREL:
340 1.3 christos return &_bfd_sparc_elf_howto_table[R_SPARC_DISP32];
341 1.3 christos
342 1.3 christos case BFD_RELOC_32_PCREL_S2:
343 1.3 christos return &_bfd_sparc_elf_howto_table[R_SPARC_WDISP30];
344 1.3 christos
345 1.3 christos case BFD_RELOC_SPARC_WDISP22:
346 1.3 christos return &_bfd_sparc_elf_howto_table[R_SPARC_WDISP22];
347 1.3 christos
348 1.3 christos case BFD_RELOC_HI22:
349 1.3 christos return &_bfd_sparc_elf_howto_table[R_SPARC_HI22];
350 1.3 christos
351 1.3 christos case BFD_RELOC_SPARC22:
352 1.3 christos return &_bfd_sparc_elf_howto_table[R_SPARC_22];
353 1.3 christos
354 1.3 christos case BFD_RELOC_SPARC13:
355 1.3 christos return &_bfd_sparc_elf_howto_table[R_SPARC_13];
356 1.3 christos
357 1.3 christos case BFD_RELOC_LO10:
358 1.3 christos return &_bfd_sparc_elf_howto_table[R_SPARC_LO10];
359 1.3 christos
360 1.3 christos case BFD_RELOC_SPARC_GOT10:
361 1.3 christos return &_bfd_sparc_elf_howto_table[R_SPARC_GOT10];
362 1.3 christos
363 1.3 christos case BFD_RELOC_SPARC_GOT13:
364 1.3 christos return &_bfd_sparc_elf_howto_table[R_SPARC_GOT13];
365 1.3 christos
366 1.3 christos case BFD_RELOC_SPARC_GOT22:
367 1.3 christos return &_bfd_sparc_elf_howto_table[R_SPARC_GOT22];
368 1.3 christos
369 1.3 christos case BFD_RELOC_SPARC_PC10:
370 1.3 christos return &_bfd_sparc_elf_howto_table[R_SPARC_PC10];
371 1.3 christos
372 1.3 christos case BFD_RELOC_SPARC_PC22:
373 1.3 christos return &_bfd_sparc_elf_howto_table[R_SPARC_PC22];
374 1.3 christos
375 1.3 christos case BFD_RELOC_SPARC_WPLT30:
376 1.3 christos return &_bfd_sparc_elf_howto_table[R_SPARC_WPLT30];
377 1.3 christos
378 1.3 christos case BFD_RELOC_SPARC_COPY:
379 1.3 christos return &_bfd_sparc_elf_howto_table[R_SPARC_COPY];
380 1.3 christos
381 1.3 christos case BFD_RELOC_SPARC_GLOB_DAT:
382 1.3 christos return &_bfd_sparc_elf_howto_table[R_SPARC_GLOB_DAT];
383 1.3 christos
384 1.3 christos case BFD_RELOC_SPARC_JMP_SLOT:
385 1.3 christos return &_bfd_sparc_elf_howto_table[R_SPARC_JMP_SLOT];
386 1.3 christos
387 1.3 christos case BFD_RELOC_SPARC_RELATIVE:
388 1.3 christos return &_bfd_sparc_elf_howto_table[R_SPARC_RELATIVE];
389 1.3 christos
390 1.3 christos case BFD_RELOC_SPARC_UA32:
391 1.3 christos return &_bfd_sparc_elf_howto_table[R_SPARC_UA32];
392 1.3 christos
393 1.3 christos case BFD_RELOC_SPARC_PLT32:
394 1.3 christos return &_bfd_sparc_elf_howto_table[R_SPARC_PLT32];
395 1.3 christos
396 1.3 christos case BFD_RELOC_SPARC_10:
397 1.3 christos return &_bfd_sparc_elf_howto_table[R_SPARC_10];
398 1.3 christos
399 1.3 christos case BFD_RELOC_SPARC_11:
400 1.3 christos return &_bfd_sparc_elf_howto_table[R_SPARC_11];
401 1.3 christos
402 1.3 christos case BFD_RELOC_SPARC_64:
403 1.3 christos return &_bfd_sparc_elf_howto_table[R_SPARC_64];
404 1.3 christos
405 1.3 christos case BFD_RELOC_SPARC_OLO10:
406 1.3 christos return &_bfd_sparc_elf_howto_table[R_SPARC_OLO10];
407 1.3 christos
408 1.3 christos case BFD_RELOC_SPARC_HH22:
409 1.3 christos return &_bfd_sparc_elf_howto_table[R_SPARC_HH22];
410 1.3 christos
411 1.3 christos case BFD_RELOC_SPARC_HM10:
412 1.3 christos return &_bfd_sparc_elf_howto_table[R_SPARC_HM10];
413 1.3 christos
414 1.3 christos case BFD_RELOC_SPARC_LM22:
415 1.3 christos return &_bfd_sparc_elf_howto_table[R_SPARC_LM22];
416 1.3 christos
417 1.3 christos case BFD_RELOC_SPARC_PC_HH22:
418 1.3 christos return &_bfd_sparc_elf_howto_table[R_SPARC_PC_HH22];
419 1.3 christos
420 1.3 christos case BFD_RELOC_SPARC_PC_HM10:
421 1.3 christos return &_bfd_sparc_elf_howto_table[R_SPARC_PC_HM10];
422 1.3 christos
423 1.3 christos case BFD_RELOC_SPARC_PC_LM22:
424 1.3 christos return &_bfd_sparc_elf_howto_table[R_SPARC_PC_LM22];
425 1.3 christos
426 1.3 christos case BFD_RELOC_SPARC_WDISP16:
427 1.3 christos return &_bfd_sparc_elf_howto_table[R_SPARC_WDISP16];
428 1.3 christos
429 1.3 christos case BFD_RELOC_SPARC_WDISP19:
430 1.3 christos return &_bfd_sparc_elf_howto_table[R_SPARC_WDISP19];
431 1.3 christos
432 1.3 christos case BFD_RELOC_SPARC_7:
433 1.3 christos return &_bfd_sparc_elf_howto_table[R_SPARC_7];
434 1.3 christos
435 1.3 christos case BFD_RELOC_SPARC_5:
436 1.3 christos return &_bfd_sparc_elf_howto_table[R_SPARC_5];
437 1.3 christos
438 1.3 christos case BFD_RELOC_SPARC_6:
439 1.3 christos return &_bfd_sparc_elf_howto_table[R_SPARC_6];
440 1.3 christos
441 1.3 christos case BFD_RELOC_SPARC_DISP64:
442 1.3 christos return &_bfd_sparc_elf_howto_table[R_SPARC_DISP64];
443 1.3 christos
444 1.3 christos case BFD_RELOC_SPARC_PLT64:
445 1.3 christos return &_bfd_sparc_elf_howto_table[R_SPARC_PLT64];
446 1.3 christos
447 1.3 christos case BFD_RELOC_SPARC_HIX22:
448 1.3 christos return &_bfd_sparc_elf_howto_table[R_SPARC_HIX22];
449 1.3 christos
450 1.3 christos case BFD_RELOC_SPARC_LOX10:
451 1.3 christos return &_bfd_sparc_elf_howto_table[R_SPARC_LOX10];
452 1.3 christos
453 1.3 christos case BFD_RELOC_SPARC_H44:
454 1.3 christos return &_bfd_sparc_elf_howto_table[R_SPARC_H44];
455 1.3 christos
456 1.3 christos case BFD_RELOC_SPARC_M44:
457 1.3 christos return &_bfd_sparc_elf_howto_table[R_SPARC_M44];
458 1.3 christos
459 1.3 christos case BFD_RELOC_SPARC_L44:
460 1.3 christos return &_bfd_sparc_elf_howto_table[R_SPARC_L44];
461 1.3 christos
462 1.3 christos case BFD_RELOC_SPARC_REGISTER:
463 1.3 christos return &_bfd_sparc_elf_howto_table[R_SPARC_REGISTER];
464 1.3 christos
465 1.3 christos case BFD_RELOC_SPARC_UA64:
466 1.3 christos return &_bfd_sparc_elf_howto_table[R_SPARC_UA64];
467 1.3 christos
468 1.3 christos case BFD_RELOC_SPARC_UA16:
469 1.3 christos return &_bfd_sparc_elf_howto_table[R_SPARC_UA16];
470 1.3 christos
471 1.3 christos case BFD_RELOC_SPARC_TLS_GD_HI22:
472 1.3 christos return &_bfd_sparc_elf_howto_table[R_SPARC_TLS_GD_HI22];
473 1.3 christos
474 1.3 christos case BFD_RELOC_SPARC_TLS_GD_LO10:
475 1.3 christos return &_bfd_sparc_elf_howto_table[R_SPARC_TLS_GD_LO10];
476 1.3 christos
477 1.3 christos case BFD_RELOC_SPARC_TLS_GD_ADD:
478 1.3 christos return &_bfd_sparc_elf_howto_table[R_SPARC_TLS_GD_ADD];
479 1.3 christos
480 1.3 christos case BFD_RELOC_SPARC_TLS_GD_CALL:
481 1.3 christos return &_bfd_sparc_elf_howto_table[R_SPARC_TLS_GD_CALL];
482 1.3 christos
483 1.3 christos case BFD_RELOC_SPARC_TLS_LDM_HI22:
484 1.3 christos return &_bfd_sparc_elf_howto_table[R_SPARC_TLS_LDM_HI22];
485 1.3 christos
486 1.3 christos case BFD_RELOC_SPARC_TLS_LDM_LO10:
487 1.3 christos return &_bfd_sparc_elf_howto_table[R_SPARC_TLS_LDM_LO10];
488 1.3 christos
489 1.3 christos case BFD_RELOC_SPARC_TLS_LDM_ADD:
490 1.3 christos return &_bfd_sparc_elf_howto_table[R_SPARC_TLS_LDM_ADD];
491 1.3 christos
492 1.3 christos case BFD_RELOC_SPARC_TLS_LDM_CALL:
493 1.3 christos return &_bfd_sparc_elf_howto_table[R_SPARC_TLS_LDM_CALL];
494 1.3 christos
495 1.3 christos case BFD_RELOC_SPARC_TLS_LDO_HIX22:
496 1.3 christos return &_bfd_sparc_elf_howto_table[R_SPARC_TLS_LDO_HIX22];
497 1.3 christos
498 1.3 christos case BFD_RELOC_SPARC_TLS_LDO_LOX10:
499 1.3 christos return &_bfd_sparc_elf_howto_table[R_SPARC_TLS_LDO_LOX10];
500 1.3 christos
501 1.3 christos case BFD_RELOC_SPARC_TLS_LDO_ADD:
502 1.3 christos return &_bfd_sparc_elf_howto_table[R_SPARC_TLS_LDO_ADD];
503 1.3 christos
504 1.3 christos case BFD_RELOC_SPARC_TLS_IE_HI22:
505 1.3 christos return &_bfd_sparc_elf_howto_table[R_SPARC_TLS_IE_HI22];
506 1.3 christos
507 1.3 christos case BFD_RELOC_SPARC_TLS_IE_LO10:
508 1.3 christos return &_bfd_sparc_elf_howto_table[R_SPARC_TLS_IE_LO10];
509 1.3 christos
510 1.3 christos case BFD_RELOC_SPARC_TLS_IE_LD:
511 1.3 christos return &_bfd_sparc_elf_howto_table[R_SPARC_TLS_IE_LD];
512 1.3 christos
513 1.3 christos case BFD_RELOC_SPARC_TLS_IE_LDX:
514 1.3 christos return &_bfd_sparc_elf_howto_table[R_SPARC_TLS_IE_LDX];
515 1.3 christos
516 1.3 christos case BFD_RELOC_SPARC_TLS_IE_ADD:
517 1.3 christos return &_bfd_sparc_elf_howto_table[R_SPARC_TLS_IE_ADD];
518 1.3 christos
519 1.3 christos case BFD_RELOC_SPARC_TLS_LE_HIX22:
520 1.3 christos return &_bfd_sparc_elf_howto_table[R_SPARC_TLS_LE_HIX22];
521 1.3 christos
522 1.3 christos case BFD_RELOC_SPARC_TLS_LE_LOX10:
523 1.3 christos return &_bfd_sparc_elf_howto_table[R_SPARC_TLS_LE_LOX10];
524 1.3 christos
525 1.3 christos case BFD_RELOC_SPARC_TLS_DTPMOD32:
526 1.3 christos return &_bfd_sparc_elf_howto_table[R_SPARC_TLS_DTPMOD32];
527 1.3 christos
528 1.3 christos case BFD_RELOC_SPARC_TLS_DTPMOD64:
529 1.3 christos return &_bfd_sparc_elf_howto_table[R_SPARC_TLS_DTPMOD64];
530 1.3 christos
531 1.3 christos case BFD_RELOC_SPARC_TLS_DTPOFF32:
532 1.3 christos return &_bfd_sparc_elf_howto_table[R_SPARC_TLS_DTPOFF32];
533 1.3 christos
534 1.3 christos case BFD_RELOC_SPARC_TLS_DTPOFF64:
535 1.3 christos return &_bfd_sparc_elf_howto_table[R_SPARC_TLS_DTPOFF64];
536 1.3 christos
537 1.3 christos case BFD_RELOC_SPARC_TLS_TPOFF32:
538 1.3 christos return &_bfd_sparc_elf_howto_table[R_SPARC_TLS_TPOFF32];
539 1.3 christos
540 1.3 christos case BFD_RELOC_SPARC_TLS_TPOFF64:
541 1.3 christos return &_bfd_sparc_elf_howto_table[R_SPARC_TLS_TPOFF64];
542 1.3 christos
543 1.3 christos case BFD_RELOC_SPARC_GOTDATA_HIX22:
544 1.3 christos return &_bfd_sparc_elf_howto_table[R_SPARC_GOTDATA_HIX22];
545 1.3 christos
546 1.3 christos case BFD_RELOC_SPARC_GOTDATA_LOX10:
547 1.3 christos return &_bfd_sparc_elf_howto_table[R_SPARC_GOTDATA_LOX10];
548 1.3 christos
549 1.3 christos case BFD_RELOC_SPARC_GOTDATA_OP_HIX22:
550 1.3 christos return &_bfd_sparc_elf_howto_table[R_SPARC_GOTDATA_OP_HIX22];
551 1.3 christos
552 1.3 christos case BFD_RELOC_SPARC_GOTDATA_OP_LOX10:
553 1.3 christos return &_bfd_sparc_elf_howto_table[R_SPARC_GOTDATA_OP_LOX10];
554 1.3 christos
555 1.3 christos case BFD_RELOC_SPARC_GOTDATA_OP:
556 1.3 christos return &_bfd_sparc_elf_howto_table[R_SPARC_GOTDATA_OP];
557 1.3 christos
558 1.6 christos case BFD_RELOC_SPARC_H34:
559 1.6 christos return &_bfd_sparc_elf_howto_table[R_SPARC_H34];
560 1.6 christos
561 1.6 christos case BFD_RELOC_SPARC_SIZE32:
562 1.6 christos return &_bfd_sparc_elf_howto_table[R_SPARC_SIZE32];
563 1.6 christos
564 1.6 christos case BFD_RELOC_SPARC_SIZE64:
565 1.6 christos return &_bfd_sparc_elf_howto_table[R_SPARC_SIZE64];
566 1.6 christos
567 1.6 christos case BFD_RELOC_SPARC_WDISP10:
568 1.6 christos return &_bfd_sparc_elf_howto_table[R_SPARC_WDISP10];
569 1.6 christos
570 1.3 christos case BFD_RELOC_SPARC_JMP_IREL:
571 1.3 christos return &sparc_jmp_irel_howto;
572 1.3 christos
573 1.3 christos case BFD_RELOC_SPARC_IRELATIVE:
574 1.3 christos return &sparc_irelative_howto;
575 1.3 christos
576 1.1 skrll case BFD_RELOC_VTABLE_INHERIT:
577 1.1 skrll return &sparc_vtinherit_howto;
578 1.1 skrll
579 1.1 skrll case BFD_RELOC_VTABLE_ENTRY:
580 1.1 skrll return &sparc_vtentry_howto;
581 1.1 skrll
582 1.1 skrll case BFD_RELOC_SPARC_REV32:
583 1.1 skrll return &sparc_rev32_howto;
584 1.1 skrll
585 1.1 skrll default:
586 1.3 christos break;
587 1.1 skrll }
588 1.1 skrll bfd_set_error (bfd_error_bad_value);
589 1.1 skrll return NULL;
590 1.1 skrll }
591 1.1 skrll
592 1.1 skrll reloc_howto_type *
593 1.1 skrll _bfd_sparc_elf_reloc_name_lookup (bfd *abfd ATTRIBUTE_UNUSED,
594 1.1 skrll const char *r_name)
595 1.1 skrll {
596 1.1 skrll unsigned int i;
597 1.1 skrll
598 1.1 skrll for (i = 0;
599 1.1 skrll i < (sizeof (_bfd_sparc_elf_howto_table)
600 1.1 skrll / sizeof (_bfd_sparc_elf_howto_table[0]));
601 1.1 skrll i++)
602 1.1 skrll if (_bfd_sparc_elf_howto_table[i].name != NULL
603 1.1 skrll && strcasecmp (_bfd_sparc_elf_howto_table[i].name, r_name) == 0)
604 1.1 skrll return &_bfd_sparc_elf_howto_table[i];
605 1.1 skrll
606 1.1 skrll if (strcasecmp (sparc_vtinherit_howto.name, r_name) == 0)
607 1.1 skrll return &sparc_vtinherit_howto;
608 1.1 skrll if (strcasecmp (sparc_vtentry_howto.name, r_name) == 0)
609 1.1 skrll return &sparc_vtentry_howto;
610 1.1 skrll if (strcasecmp (sparc_rev32_howto.name, r_name) == 0)
611 1.1 skrll return &sparc_rev32_howto;
612 1.1 skrll
613 1.1 skrll return NULL;
614 1.1 skrll }
615 1.1 skrll
616 1.1 skrll reloc_howto_type *
617 1.1 skrll _bfd_sparc_elf_info_to_howto_ptr (unsigned int r_type)
618 1.1 skrll {
619 1.1 skrll switch (r_type)
620 1.1 skrll {
621 1.3 christos case R_SPARC_JMP_IREL:
622 1.3 christos return &sparc_jmp_irel_howto;
623 1.3 christos
624 1.3 christos case R_SPARC_IRELATIVE:
625 1.3 christos return &sparc_irelative_howto;
626 1.3 christos
627 1.1 skrll case R_SPARC_GNU_VTINHERIT:
628 1.1 skrll return &sparc_vtinherit_howto;
629 1.1 skrll
630 1.1 skrll case R_SPARC_GNU_VTENTRY:
631 1.1 skrll return &sparc_vtentry_howto;
632 1.1 skrll
633 1.1 skrll case R_SPARC_REV32:
634 1.1 skrll return &sparc_rev32_howto;
635 1.1 skrll
636 1.1 skrll default:
637 1.1 skrll if (r_type >= (unsigned int) R_SPARC_max_std)
638 1.1 skrll {
639 1.13 christos _bfd_error_handler (_("invalid relocation type %d"), (int) r_type);
640 1.1 skrll r_type = R_SPARC_NONE;
641 1.1 skrll }
642 1.1 skrll return &_bfd_sparc_elf_howto_table[r_type];
643 1.1 skrll }
644 1.1 skrll }
645 1.1 skrll
646 1.1 skrll /* Both 32-bit and 64-bit sparc encode this in an identical manner,
647 1.1 skrll so just take advantage of that. */
648 1.1 skrll #define SPARC_ELF_R_TYPE(r_info) \
649 1.1 skrll ((r_info) & 0xff)
650 1.1 skrll
651 1.1 skrll void
652 1.1 skrll _bfd_sparc_elf_info_to_howto (bfd *abfd ATTRIBUTE_UNUSED, arelent *cache_ptr,
653 1.1 skrll Elf_Internal_Rela *dst)
654 1.1 skrll {
655 1.1 skrll unsigned int r_type = SPARC_ELF_R_TYPE (dst->r_info);
656 1.1 skrll
657 1.1 skrll cache_ptr->howto = _bfd_sparc_elf_info_to_howto_ptr (r_type);
658 1.1 skrll }
659 1.1 skrll
660 1.1 skrll
662 1.1 skrll /* The nop opcode we use. */
663 1.1 skrll #define SPARC_NOP 0x01000000
664 1.1 skrll
665 1.1 skrll #define SPARC_INSN_BYTES 4
666 1.13 christos
667 1.13 christos /* Is an undefined weak symbol resolved to 0 ?
668 1.13 christos Reference to an undefined weak symbol is resolved to 0 when
669 1.13 christos building an executable if it isn't dynamic and
670 1.13 christos 1. Has non-GOT/non-PLT relocations in text section.
671 1.13 christos Or
672 1.13 christos 2. Has no GOT/PLT relocation. */
673 1.13 christos #define UNDEFINED_WEAK_RESOLVED_TO_ZERO(INFO, EH) \
674 1.13 christos ((EH)->elf.root.type == bfd_link_hash_undefweak \
675 1.13 christos && bfd_link_executable (INFO) \
676 1.13 christos && (_bfd_sparc_elf_hash_table (INFO)->interp == NULL \
677 1.13 christos || !(EH)->has_got_reloc \
678 1.13 christos || (EH)->has_non_got_reloc \
679 1.1 skrll || !(INFO)->dynamic_undefined_weak))
680 1.1 skrll
681 1.1 skrll /* SPARC ELF linker hash entry. */
682 1.1 skrll
683 1.1 skrll struct _bfd_sparc_elf_link_hash_entry
684 1.1 skrll {
685 1.1 skrll struct elf_link_hash_entry elf;
686 1.1 skrll
687 1.13 christos /* Track dynamic relocs copied for this symbol. */
688 1.1 skrll struct elf_dyn_relocs *dyn_relocs;
689 1.1 skrll
690 1.1 skrll #define GOT_UNKNOWN 0
691 1.1 skrll #define GOT_NORMAL 1
692 1.1 skrll #define GOT_TLS_GD 2
693 1.1 skrll #define GOT_TLS_IE 3
694 1.13 christos unsigned char tls_type;
695 1.13 christos
696 1.13 christos /* Symbol has GOT or PLT relocations. */
697 1.13 christos unsigned int has_got_reloc : 1;
698 1.13 christos
699 1.13 christos /* Symbol has non-GOT/non-PLT relocations in text sections. */
700 1.13 christos unsigned int has_non_got_reloc : 1;
701 1.1 skrll
702 1.1 skrll };
703 1.1 skrll
704 1.1 skrll #define _bfd_sparc_elf_hash_entry(ent) ((struct _bfd_sparc_elf_link_hash_entry *)(ent))
705 1.1 skrll
706 1.1 skrll struct _bfd_sparc_elf_obj_tdata
707 1.1 skrll {
708 1.1 skrll struct elf_obj_tdata root;
709 1.1 skrll
710 1.1 skrll /* tls_type for each local got entry. */
711 1.1 skrll char *local_got_tls_type;
712 1.1 skrll
713 1.1 skrll /* TRUE if TLS GD relocs has been seen for this object. */
714 1.1 skrll bfd_boolean has_tlsgd;
715 1.1 skrll };
716 1.1 skrll
717 1.1 skrll #define _bfd_sparc_elf_tdata(abfd) \
718 1.1 skrll ((struct _bfd_sparc_elf_obj_tdata *) (abfd)->tdata.any)
719 1.1 skrll
720 1.1 skrll #define _bfd_sparc_elf_local_got_tls_type(abfd) \
721 1.1 skrll (_bfd_sparc_elf_tdata (abfd)->local_got_tls_type)
722 1.1 skrll
723 1.1 skrll #define is_sparc_elf(bfd) \
724 1.1 skrll (bfd_get_flavour (bfd) == bfd_target_elf_flavour \
725 1.3 christos && elf_tdata (bfd) != NULL \
726 1.1 skrll && elf_object_id (bfd) == SPARC_ELF_DATA)
727 1.1 skrll
728 1.1 skrll bfd_boolean
729 1.1 skrll _bfd_sparc_elf_mkobject (bfd *abfd)
730 1.1 skrll {
731 1.3 christos return bfd_elf_allocate_object (abfd, sizeof (struct _bfd_sparc_elf_obj_tdata),
732 1.1 skrll SPARC_ELF_DATA);
733 1.1 skrll }
734 1.1 skrll
735 1.3 christos static void
736 1.1 skrll sparc_put_word_32 (bfd *abfd, bfd_vma val, void *ptr)
737 1.3 christos {
738 1.1 skrll bfd_put_32 (abfd, val, ptr);
739 1.1 skrll }
740 1.1 skrll
741 1.3 christos static void
742 1.1 skrll sparc_put_word_64 (bfd *abfd, bfd_vma val, void *ptr)
743 1.3 christos {
744 1.1 skrll bfd_put_64 (abfd, val, ptr);
745 1.1 skrll }
746 1.1 skrll
747 1.1 skrll static void
748 1.1 skrll sparc_elf_append_rela (bfd *abfd, asection *s, Elf_Internal_Rela *rel)
749 1.1 skrll {
750 1.1 skrll const struct elf_backend_data *bed;
751 1.1 skrll bfd_byte *loc;
752 1.1 skrll
753 1.1 skrll bed = get_elf_backend_data (abfd);
754 1.1 skrll loc = s->contents + (s->reloc_count++ * bed->s->sizeof_rela);
755 1.1 skrll bed->s->swap_reloca_out (abfd, rel, loc);
756 1.1 skrll }
757 1.1 skrll
758 1.1 skrll static bfd_vma
759 1.3 christos sparc_elf_r_info_64 (Elf_Internal_Rela *in_rel ATTRIBUTE_UNUSED,
760 1.1 skrll bfd_vma rel_index ATTRIBUTE_UNUSED,
761 1.1 skrll bfd_vma type ATTRIBUTE_UNUSED)
762 1.3 christos {
763 1.1 skrll return ELF64_R_INFO (rel_index,
764 1.1 skrll (in_rel ?
765 1.1 skrll ELF64_R_TYPE_INFO (ELF64_R_TYPE_DATA (in_rel->r_info),
766 1.1 skrll type) : type));
767 1.1 skrll }
768 1.1 skrll
769 1.1 skrll static bfd_vma
770 1.3 christos sparc_elf_r_info_32 (Elf_Internal_Rela *in_rel ATTRIBUTE_UNUSED,
771 1.1 skrll bfd_vma rel_index, bfd_vma type)
772 1.3 christos {
773 1.1 skrll return ELF32_R_INFO (rel_index, type);
774 1.1 skrll }
775 1.1 skrll
776 1.1 skrll static bfd_vma
777 1.1 skrll sparc_elf_r_symndx_64 (bfd_vma r_info)
778 1.1 skrll {
779 1.1 skrll bfd_vma r_symndx = ELF32_R_SYM (r_info);
780 1.1 skrll return (r_symndx >> 24);
781 1.1 skrll }
782 1.1 skrll
783 1.1 skrll static bfd_vma
784 1.1 skrll sparc_elf_r_symndx_32 (bfd_vma r_info)
785 1.1 skrll {
786 1.1 skrll return ELF32_R_SYM (r_info);
787 1.1 skrll }
788 1.1 skrll
789 1.1 skrll /* PLT/GOT stuff */
790 1.1 skrll
791 1.1 skrll #define PLT32_ENTRY_SIZE 12
792 1.1 skrll #define PLT32_HEADER_SIZE (4 * PLT32_ENTRY_SIZE)
793 1.1 skrll
794 1.1 skrll /* The first four entries in a 32-bit procedure linkage table are reserved,
795 1.1 skrll and the initial contents are unimportant (we zero them out).
796 1.1 skrll Subsequent entries look like this. See the SVR4 ABI SPARC
797 1.1 skrll supplement to see how this works. */
798 1.1 skrll
799 1.1 skrll /* sethi %hi(.-.plt0),%g1. We fill in the address later. */
800 1.1 skrll #define PLT32_ENTRY_WORD0 0x03000000
801 1.1 skrll /* b,a .plt0. We fill in the offset later. */
802 1.1 skrll #define PLT32_ENTRY_WORD1 0x30800000
803 1.1 skrll /* nop. */
804 1.1 skrll #define PLT32_ENTRY_WORD2 SPARC_NOP
805 1.1 skrll
806 1.1 skrll static int
807 1.1 skrll sparc32_plt_entry_build (bfd *output_bfd, asection *splt, bfd_vma offset,
808 1.1 skrll bfd_vma max ATTRIBUTE_UNUSED,
809 1.1 skrll bfd_vma *r_offset)
810 1.1 skrll {
811 1.1 skrll bfd_put_32 (output_bfd,
812 1.1 skrll PLT32_ENTRY_WORD0 + offset,
813 1.1 skrll splt->contents + offset);
814 1.1 skrll bfd_put_32 (output_bfd,
815 1.1 skrll (PLT32_ENTRY_WORD1
816 1.1 skrll + (((- (offset + 4)) >> 2) & 0x3fffff)),
817 1.1 skrll splt->contents + offset + 4);
818 1.1 skrll bfd_put_32 (output_bfd, (bfd_vma) PLT32_ENTRY_WORD2,
819 1.1 skrll splt->contents + offset + 8);
820 1.1 skrll
821 1.1 skrll *r_offset = offset;
822 1.1 skrll
823 1.1 skrll return offset / PLT32_ENTRY_SIZE - 4;
824 1.1 skrll }
825 1.1 skrll
826 1.1 skrll /* Both the headers and the entries are icache aligned. */
827 1.1 skrll #define PLT64_ENTRY_SIZE 32
828 1.1 skrll #define PLT64_HEADER_SIZE (4 * PLT64_ENTRY_SIZE)
829 1.1 skrll #define PLT64_LARGE_THRESHOLD 32768
830 1.1 skrll
831 1.1 skrll static int
832 1.1 skrll sparc64_plt_entry_build (bfd *output_bfd, asection *splt, bfd_vma offset,
833 1.1 skrll bfd_vma max, bfd_vma *r_offset)
834 1.1 skrll {
835 1.1 skrll unsigned char *entry = splt->contents + offset;
836 1.3 christos const unsigned int nop = SPARC_NOP;
837 1.1 skrll int plt_index;
838 1.1 skrll
839 1.1 skrll if (offset < (PLT64_LARGE_THRESHOLD * PLT64_ENTRY_SIZE))
840 1.1 skrll {
841 1.1 skrll unsigned int sethi, ba;
842 1.1 skrll
843 1.1 skrll *r_offset = offset;
844 1.3 christos
845 1.1 skrll plt_index = (offset / PLT64_ENTRY_SIZE);
846 1.3 christos
847 1.1 skrll sethi = 0x03000000 | (plt_index * PLT64_ENTRY_SIZE);
848 1.1 skrll ba = 0x30680000
849 1.1 skrll | (((splt->contents + PLT64_ENTRY_SIZE) - (entry + 4)) / 4 & 0x7ffff);
850 1.1 skrll
851 1.1 skrll bfd_put_32 (output_bfd, (bfd_vma) sethi, entry);
852 1.1 skrll bfd_put_32 (output_bfd, (bfd_vma) ba, entry + 4);
853 1.1 skrll bfd_put_32 (output_bfd, (bfd_vma) nop, entry + 8);
854 1.1 skrll bfd_put_32 (output_bfd, (bfd_vma) nop, entry + 12);
855 1.1 skrll bfd_put_32 (output_bfd, (bfd_vma) nop, entry + 16);
856 1.1 skrll bfd_put_32 (output_bfd, (bfd_vma) nop, entry + 20);
857 1.1 skrll bfd_put_32 (output_bfd, (bfd_vma) nop, entry + 24);
858 1.1 skrll bfd_put_32 (output_bfd, (bfd_vma) nop, entry + 28);
859 1.1 skrll }
860 1.1 skrll else
861 1.1 skrll {
862 1.1 skrll unsigned char *ptr;
863 1.1 skrll unsigned int ldx;
864 1.1 skrll int block, last_block, ofs, last_ofs, chunks_this_block;
865 1.1 skrll const int insn_chunk_size = (6 * 4);
866 1.1 skrll const int ptr_chunk_size = (1 * 8);
867 1.1 skrll const int entries_per_block = 160;
868 1.1 skrll const int block_size = entries_per_block * (insn_chunk_size
869 1.1 skrll + ptr_chunk_size);
870 1.1 skrll
871 1.1 skrll /* Entries 32768 and higher are grouped into blocks of 160.
872 1.1 skrll The blocks are further subdivided into 160 sequences of
873 1.1 skrll 6 instructions and 160 pointers. If a block does not require
874 1.1 skrll the full 160 entries, let's say it requires N, then there
875 1.1 skrll will be N sequences of 6 instructions and N pointers. */
876 1.1 skrll
877 1.1 skrll offset -= (PLT64_LARGE_THRESHOLD * PLT64_ENTRY_SIZE);
878 1.1 skrll max -= (PLT64_LARGE_THRESHOLD * PLT64_ENTRY_SIZE);
879 1.1 skrll
880 1.1 skrll block = offset / block_size;
881 1.1 skrll last_block = max / block_size;
882 1.1 skrll if (block != last_block)
883 1.1 skrll {
884 1.1 skrll chunks_this_block = 160;
885 1.1 skrll }
886 1.1 skrll else
887 1.1 skrll {
888 1.1 skrll last_ofs = max % block_size;
889 1.1 skrll chunks_this_block = last_ofs / (insn_chunk_size + ptr_chunk_size);
890 1.1 skrll }
891 1.1 skrll
892 1.1 skrll ofs = offset % block_size;
893 1.3 christos
894 1.1 skrll plt_index = (PLT64_LARGE_THRESHOLD +
895 1.1 skrll (block * 160) +
896 1.1 skrll (ofs / insn_chunk_size));
897 1.1 skrll
898 1.1 skrll ptr = splt->contents
899 1.1 skrll + (PLT64_LARGE_THRESHOLD * PLT64_ENTRY_SIZE)
900 1.1 skrll + (block * block_size)
901 1.1 skrll + (chunks_this_block * insn_chunk_size)
902 1.1 skrll + (ofs / insn_chunk_size) * ptr_chunk_size;
903 1.1 skrll
904 1.1 skrll *r_offset = (bfd_vma) (ptr - splt->contents);
905 1.1 skrll
906 1.1 skrll ldx = 0xc25be000 | ((ptr - (entry+4)) & 0x1fff);
907 1.1 skrll
908 1.1 skrll /* mov %o7,%g5
909 1.1 skrll call .+8
910 1.1 skrll nop
911 1.1 skrll ldx [%o7+P],%g1
912 1.1 skrll jmpl %o7+%g1,%g1
913 1.1 skrll mov %g5,%o7 */
914 1.1 skrll bfd_put_32 (output_bfd, (bfd_vma) 0x8a10000f, entry);
915 1.1 skrll bfd_put_32 (output_bfd, (bfd_vma) 0x40000002, entry + 4);
916 1.13 christos bfd_put_32 (output_bfd, (bfd_vma) SPARC_NOP, entry + 8);
917 1.1 skrll bfd_put_32 (output_bfd, (bfd_vma) ldx, entry + 12);
918 1.1 skrll bfd_put_32 (output_bfd, (bfd_vma) 0x83c3c001, entry + 16);
919 1.1 skrll bfd_put_32 (output_bfd, (bfd_vma) 0x9e100005, entry + 20);
920 1.1 skrll
921 1.1 skrll bfd_put_64 (output_bfd, (bfd_vma) (splt->contents - (entry + 4)), ptr);
922 1.1 skrll }
923 1.3 christos
924 1.1 skrll return plt_index - 4;
925 1.1 skrll }
926 1.1 skrll
927 1.1 skrll /* The format of the first PLT entry in a VxWorks executable. */
928 1.1 skrll static const bfd_vma sparc_vxworks_exec_plt0_entry[] =
929 1.1 skrll {
930 1.1 skrll 0x05000000, /* sethi %hi(_GLOBAL_OFFSET_TABLE_+8), %g2 */
931 1.1 skrll 0x8410a000, /* or %g2, %lo(_GLOBAL_OFFSET_TABLE_+8), %g2 */
932 1.1 skrll 0xc4008000, /* ld [ %g2 ], %g2 */
933 1.1 skrll 0x81c08000, /* jmp %g2 */
934 1.1 skrll 0x01000000 /* nop */
935 1.1 skrll };
936 1.1 skrll
937 1.1 skrll /* The format of subsequent PLT entries. */
938 1.1 skrll static const bfd_vma sparc_vxworks_exec_plt_entry[] =
939 1.1 skrll {
940 1.1 skrll 0x03000000, /* sethi %hi(_GLOBAL_OFFSET_TABLE_+f@got), %g1 */
941 1.1 skrll 0x82106000, /* or %g1, %lo(_GLOBAL_OFFSET_TABLE_+f@got), %g1 */
942 1.1 skrll 0xc2004000, /* ld [ %g1 ], %g1 */
943 1.1 skrll 0x81c04000, /* jmp %g1 */
944 1.1 skrll 0x01000000, /* nop */
945 1.1 skrll 0x03000000, /* sethi %hi(f@pltindex), %g1 */
946 1.1 skrll 0x10800000, /* b _PLT_resolve */
947 1.1 skrll 0x82106000 /* or %g1, %lo(f@pltindex), %g1 */
948 1.1 skrll };
949 1.1 skrll
950 1.1 skrll /* The format of the first PLT entry in a VxWorks shared object. */
951 1.1 skrll static const bfd_vma sparc_vxworks_shared_plt0_entry[] =
952 1.1 skrll {
953 1.1 skrll 0xc405e008, /* ld [ %l7 + 8 ], %g2 */
954 1.1 skrll 0x81c08000, /* jmp %g2 */
955 1.1 skrll 0x01000000 /* nop */
956 1.1 skrll };
957 1.1 skrll
958 1.1 skrll /* The format of subsequent PLT entries. */
959 1.1 skrll static const bfd_vma sparc_vxworks_shared_plt_entry[] =
960 1.1 skrll {
961 1.1 skrll 0x03000000, /* sethi %hi(f@got), %g1 */
962 1.1 skrll 0x82106000, /* or %g1, %lo(f@got), %g1 */
963 1.1 skrll 0xc205c001, /* ld [ %l7 + %g1 ], %g1 */
964 1.1 skrll 0x81c04000, /* jmp %g1 */
965 1.1 skrll 0x01000000, /* nop */
966 1.1 skrll 0x03000000, /* sethi %hi(f@pltindex), %g1 */
967 1.1 skrll 0x10800000, /* b _PLT_resolve */
968 1.1 skrll 0x82106000 /* or %g1, %lo(f@pltindex), %g1 */
969 1.1 skrll };
970 1.1 skrll
971 1.1 skrll #define SPARC_ELF_PUT_WORD(htab, bfd, val, ptr) \
972 1.1 skrll htab->put_word(bfd, val, ptr)
973 1.1 skrll
974 1.1 skrll #define SPARC_ELF_R_INFO(htab, in_rel, index, type) \
975 1.1 skrll htab->r_info(in_rel, index, type)
976 1.1 skrll
977 1.1 skrll #define SPARC_ELF_R_SYMNDX(htab, r_info) \
978 1.1 skrll htab->r_symndx(r_info)
979 1.1 skrll
980 1.1 skrll #define SPARC_ELF_WORD_BYTES(htab) \
981 1.1 skrll htab->bytes_per_word
982 1.1 skrll
983 1.1 skrll #define SPARC_ELF_RELA_BYTES(htab) \
984 1.1 skrll htab->bytes_per_rela
985 1.1 skrll
986 1.1 skrll #define SPARC_ELF_DTPOFF_RELOC(htab) \
987 1.1 skrll htab->dtpoff_reloc
988 1.1 skrll
989 1.1 skrll #define SPARC_ELF_DTPMOD_RELOC(htab) \
990 1.1 skrll htab->dtpmod_reloc
991 1.1 skrll
992 1.1 skrll #define SPARC_ELF_TPOFF_RELOC(htab) \
993 1.1 skrll htab->tpoff_reloc
994 1.1 skrll
995 1.1 skrll #define SPARC_ELF_BUILD_PLT_ENTRY(htab, obfd, splt, off, max, r_off) \
996 1.1 skrll htab->build_plt_entry (obfd, splt, off, max, r_off)
997 1.1 skrll
998 1.1 skrll /* Create an entry in an SPARC ELF linker hash table. */
999 1.1 skrll
1000 1.1 skrll static struct bfd_hash_entry *
1001 1.1 skrll link_hash_newfunc (struct bfd_hash_entry *entry,
1002 1.1 skrll struct bfd_hash_table *table, const char *string)
1003 1.1 skrll {
1004 1.1 skrll /* Allocate the structure if it has not already been allocated by a
1005 1.1 skrll subclass. */
1006 1.1 skrll if (entry == NULL)
1007 1.1 skrll {
1008 1.1 skrll entry = bfd_hash_allocate (table,
1009 1.1 skrll sizeof (struct _bfd_sparc_elf_link_hash_entry));
1010 1.1 skrll if (entry == NULL)
1011 1.1 skrll return entry;
1012 1.1 skrll }
1013 1.1 skrll
1014 1.1 skrll /* Call the allocation method of the superclass. */
1015 1.1 skrll entry = _bfd_elf_link_hash_newfunc (entry, table, string);
1016 1.1 skrll if (entry != NULL)
1017 1.1 skrll {
1018 1.1 skrll struct _bfd_sparc_elf_link_hash_entry *eh;
1019 1.1 skrll
1020 1.1 skrll eh = (struct _bfd_sparc_elf_link_hash_entry *) entry;
1021 1.1 skrll eh->dyn_relocs = NULL;
1022 1.13 christos eh->tls_type = GOT_UNKNOWN;
1023 1.13 christos eh->has_got_reloc = 0;
1024 1.1 skrll eh->has_non_got_reloc = 0;
1025 1.1 skrll }
1026 1.1 skrll
1027 1.1 skrll return entry;
1028 1.1 skrll }
1029 1.1 skrll
1030 1.1 skrll /* The name of the dynamic interpreter. This is put in the .interp
1031 1.1 skrll section. */
1032 1.1 skrll
1033 1.1 skrll #define ELF32_DYNAMIC_INTERPRETER "/usr/lib/ld.so.1"
1034 1.1 skrll #define ELF64_DYNAMIC_INTERPRETER "/usr/lib/sparcv9/ld.so.1"
1035 1.3 christos
1036 1.3 christos /* Compute a hash of a local hash entry. We use elf_link_hash_entry
1037 1.3 christos for local symbol so that we can handle local STT_GNU_IFUNC symbols
1038 1.3 christos as global symbol. We reuse indx and dynstr_index for local symbol
1039 1.3 christos hash since they aren't used by global symbols in this backend. */
1040 1.3 christos
1041 1.3 christos static hashval_t
1042 1.3 christos elf_sparc_local_htab_hash (const void *ptr)
1043 1.3 christos {
1044 1.3 christos struct elf_link_hash_entry *h
1045 1.3 christos = (struct elf_link_hash_entry *) ptr;
1046 1.3 christos return ELF_LOCAL_SYMBOL_HASH (h->indx, h->dynstr_index);
1047 1.3 christos }
1048 1.3 christos
1049 1.3 christos /* Compare local hash entries. */
1050 1.3 christos
1051 1.3 christos static int
1052 1.3 christos elf_sparc_local_htab_eq (const void *ptr1, const void *ptr2)
1053 1.3 christos {
1054 1.3 christos struct elf_link_hash_entry *h1
1055 1.3 christos = (struct elf_link_hash_entry *) ptr1;
1056 1.3 christos struct elf_link_hash_entry *h2
1057 1.3 christos = (struct elf_link_hash_entry *) ptr2;
1058 1.3 christos
1059 1.3 christos return h1->indx == h2->indx && h1->dynstr_index == h2->dynstr_index;
1060 1.3 christos }
1061 1.3 christos
1062 1.3 christos /* Find and/or create a hash entry for local symbol. */
1063 1.3 christos
1064 1.3 christos static struct elf_link_hash_entry *
1065 1.3 christos elf_sparc_get_local_sym_hash (struct _bfd_sparc_elf_link_hash_table *htab,
1066 1.3 christos bfd *abfd, const Elf_Internal_Rela *rel,
1067 1.3 christos bfd_boolean create)
1068 1.3 christos {
1069 1.3 christos struct _bfd_sparc_elf_link_hash_entry e, *ret;
1070 1.3 christos asection *sec = abfd->sections;
1071 1.3 christos unsigned long r_symndx;
1072 1.3 christos hashval_t h;
1073 1.3 christos void **slot;
1074 1.3 christos
1075 1.3 christos r_symndx = SPARC_ELF_R_SYMNDX (htab, rel->r_info);
1076 1.3 christos h = ELF_LOCAL_SYMBOL_HASH (sec->id, r_symndx);
1077 1.3 christos
1078 1.3 christos e.elf.indx = sec->id;
1079 1.3 christos e.elf.dynstr_index = r_symndx;
1080 1.3 christos slot = htab_find_slot_with_hash (htab->loc_hash_table, &e, h,
1081 1.3 christos create ? INSERT : NO_INSERT);
1082 1.3 christos
1083 1.3 christos if (!slot)
1084 1.3 christos return NULL;
1085 1.3 christos
1086 1.3 christos if (*slot)
1087 1.3 christos {
1088 1.3 christos ret = (struct _bfd_sparc_elf_link_hash_entry *) *slot;
1089 1.3 christos return &ret->elf;
1090 1.3 christos }
1091 1.3 christos
1092 1.3 christos ret = (struct _bfd_sparc_elf_link_hash_entry *)
1093 1.3 christos objalloc_alloc ((struct objalloc *) htab->loc_hash_memory,
1094 1.3 christos sizeof (struct _bfd_sparc_elf_link_hash_entry));
1095 1.3 christos if (ret)
1096 1.3 christos {
1097 1.3 christos memset (ret, 0, sizeof (*ret));
1098 1.3 christos ret->elf.indx = sec->id;
1099 1.3 christos ret->elf.dynstr_index = r_symndx;
1100 1.3 christos ret->elf.dynindx = -1;
1101 1.3 christos ret->elf.plt.offset = (bfd_vma) -1;
1102 1.3 christos ret->elf.got.offset = (bfd_vma) -1;
1103 1.3 christos *slot = ret;
1104 1.3 christos }
1105 1.3 christos return &ret->elf;
1106 1.3 christos }
1107 1.7 christos
1108 1.7 christos /* Destroy a SPARC ELF linker hash table. */
1109 1.7 christos
1110 1.7 christos static void
1111 1.7 christos _bfd_sparc_elf_link_hash_table_free (bfd *obfd)
1112 1.7 christos {
1113 1.7 christos struct _bfd_sparc_elf_link_hash_table *htab
1114 1.7 christos = (struct _bfd_sparc_elf_link_hash_table *) obfd->link.hash;
1115 1.7 christos
1116 1.7 christos if (htab->loc_hash_table)
1117 1.7 christos htab_delete (htab->loc_hash_table);
1118 1.7 christos if (htab->loc_hash_memory)
1119 1.7 christos objalloc_free ((struct objalloc *) htab->loc_hash_memory);
1120 1.7 christos _bfd_elf_link_hash_table_free (obfd);
1121 1.7 christos }
1122 1.1 skrll
1123 1.1 skrll /* Create a SPARC ELF linker hash table. */
1124 1.1 skrll
1125 1.1 skrll struct bfd_link_hash_table *
1126 1.1 skrll _bfd_sparc_elf_link_hash_table_create (bfd *abfd)
1127 1.1 skrll {
1128 1.1 skrll struct _bfd_sparc_elf_link_hash_table *ret;
1129 1.1 skrll bfd_size_type amt = sizeof (struct _bfd_sparc_elf_link_hash_table);
1130 1.1 skrll
1131 1.1 skrll ret = (struct _bfd_sparc_elf_link_hash_table *) bfd_zmalloc (amt);
1132 1.1 skrll if (ret == NULL)
1133 1.1 skrll return NULL;
1134 1.1 skrll
1135 1.1 skrll if (ABI_64_P (abfd))
1136 1.1 skrll {
1137 1.1 skrll ret->put_word = sparc_put_word_64;
1138 1.1 skrll ret->r_info = sparc_elf_r_info_64;
1139 1.1 skrll ret->r_symndx = sparc_elf_r_symndx_64;
1140 1.1 skrll ret->dtpoff_reloc = R_SPARC_TLS_DTPOFF64;
1141 1.1 skrll ret->dtpmod_reloc = R_SPARC_TLS_DTPMOD64;
1142 1.1 skrll ret->tpoff_reloc = R_SPARC_TLS_TPOFF64;
1143 1.1 skrll ret->word_align_power = 3;
1144 1.1 skrll ret->align_power_max = 4;
1145 1.1 skrll ret->bytes_per_word = 8;
1146 1.1 skrll ret->bytes_per_rela = sizeof (Elf64_External_Rela);
1147 1.1 skrll ret->dynamic_interpreter = ELF64_DYNAMIC_INTERPRETER;
1148 1.3 christos ret->dynamic_interpreter_size = sizeof ELF64_DYNAMIC_INTERPRETER;
1149 1.3 christos
1150 1.3 christos ret->build_plt_entry = sparc64_plt_entry_build;
1151 1.3 christos ret->plt_header_size = PLT64_HEADER_SIZE;
1152 1.1 skrll ret->plt_entry_size = PLT64_ENTRY_SIZE;
1153 1.1 skrll }
1154 1.1 skrll else
1155 1.1 skrll {
1156 1.1 skrll ret->put_word = sparc_put_word_32;
1157 1.1 skrll ret->r_info = sparc_elf_r_info_32;
1158 1.1 skrll ret->r_symndx = sparc_elf_r_symndx_32;
1159 1.1 skrll ret->dtpoff_reloc = R_SPARC_TLS_DTPOFF32;
1160 1.1 skrll ret->dtpmod_reloc = R_SPARC_TLS_DTPMOD32;
1161 1.1 skrll ret->tpoff_reloc = R_SPARC_TLS_TPOFF32;
1162 1.1 skrll ret->word_align_power = 2;
1163 1.1 skrll ret->align_power_max = 3;
1164 1.1 skrll ret->bytes_per_word = 4;
1165 1.1 skrll ret->bytes_per_rela = sizeof (Elf32_External_Rela);
1166 1.1 skrll ret->dynamic_interpreter = ELF32_DYNAMIC_INTERPRETER;
1167 1.3 christos ret->dynamic_interpreter_size = sizeof ELF32_DYNAMIC_INTERPRETER;
1168 1.3 christos
1169 1.3 christos ret->build_plt_entry = sparc32_plt_entry_build;
1170 1.3 christos ret->plt_header_size = PLT32_HEADER_SIZE;
1171 1.1 skrll ret->plt_entry_size = PLT32_ENTRY_SIZE;
1172 1.1 skrll }
1173 1.1 skrll
1174 1.3 christos if (!_bfd_elf_link_hash_table_init (&ret->elf, abfd, link_hash_newfunc,
1175 1.3 christos sizeof (struct _bfd_sparc_elf_link_hash_entry),
1176 1.3 christos SPARC_ELF_DATA))
1177 1.3 christos {
1178 1.3 christos free (ret);
1179 1.3 christos return NULL;
1180 1.3 christos }
1181 1.3 christos
1182 1.3 christos ret->loc_hash_table = htab_try_create (1024,
1183 1.3 christos elf_sparc_local_htab_hash,
1184 1.3 christos elf_sparc_local_htab_eq,
1185 1.3 christos NULL);
1186 1.3 christos ret->loc_hash_memory = objalloc_create ();
1187 1.1 skrll if (!ret->loc_hash_table || !ret->loc_hash_memory)
1188 1.7 christos {
1189 1.1 skrll _bfd_sparc_elf_link_hash_table_free (abfd);
1190 1.1 skrll return NULL;
1191 1.7 christos }
1192 1.1 skrll ret->elf.root.hash_table_free = _bfd_sparc_elf_link_hash_table_free;
1193 1.1 skrll
1194 1.1 skrll return &ret->elf.root;
1195 1.1 skrll }
1196 1.1 skrll
1197 1.1 skrll /* Create .plt, .rela.plt, .got, .rela.got, .dynbss, and
1198 1.1 skrll .rela.bss sections in DYNOBJ, and set up shortcuts to them in our
1199 1.1 skrll hash table. */
1200 1.1 skrll
1201 1.1 skrll bfd_boolean
1202 1.1 skrll _bfd_sparc_elf_create_dynamic_sections (bfd *dynobj,
1203 1.1 skrll struct bfd_link_info *info)
1204 1.1 skrll {
1205 1.1 skrll struct _bfd_sparc_elf_link_hash_table *htab;
1206 1.1 skrll
1207 1.3 christos htab = _bfd_sparc_elf_hash_table (info);
1208 1.1 skrll BFD_ASSERT (htab != NULL);
1209 1.1 skrll
1210 1.1 skrll if (!_bfd_elf_create_dynamic_sections (dynobj, info))
1211 1.1 skrll return FALSE;
1212 1.1 skrll
1213 1.1 skrll if (htab->is_vxworks)
1214 1.1 skrll {
1215 1.1 skrll if (!elf_vxworks_create_dynamic_sections (dynobj, info, &htab->srelplt2))
1216 1.7 christos return FALSE;
1217 1.1 skrll if (bfd_link_pic (info))
1218 1.1 skrll {
1219 1.1 skrll htab->plt_header_size
1220 1.1 skrll = 4 * ARRAY_SIZE (sparc_vxworks_shared_plt0_entry);
1221 1.1 skrll htab->plt_entry_size
1222 1.1 skrll = 4 * ARRAY_SIZE (sparc_vxworks_shared_plt_entry);
1223 1.1 skrll }
1224 1.1 skrll else
1225 1.1 skrll {
1226 1.1 skrll htab->plt_header_size
1227 1.1 skrll = 4 * ARRAY_SIZE (sparc_vxworks_exec_plt0_entry);
1228 1.1 skrll htab->plt_entry_size
1229 1.1 skrll = 4 * ARRAY_SIZE (sparc_vxworks_exec_plt_entry);
1230 1.1 skrll }
1231 1.1 skrll }
1232 1.13 christos
1233 1.13 christos if (!htab->elf.splt || !htab->elf.srelplt || !htab->elf.sdynbss
1234 1.1 skrll || (!bfd_link_pic (info) && !htab->elf.srelbss))
1235 1.1 skrll abort ();
1236 1.1 skrll
1237 1.1 skrll return TRUE;
1238 1.1 skrll }
1239 1.3 christos
1240 1.3 christos static bfd_boolean
1241 1.3 christos create_ifunc_sections (bfd *abfd, struct bfd_link_info *info)
1242 1.3 christos {
1243 1.3 christos const struct elf_backend_data *bed = get_elf_backend_data (abfd);
1244 1.3 christos struct elf_link_hash_table *htab = elf_hash_table (info);
1245 1.3 christos flagword flags, pltflags;
1246 1.3 christos asection *s;
1247 1.3 christos
1248 1.3 christos if (htab->irelifunc != NULL || htab->iplt != NULL)
1249 1.3 christos return TRUE;
1250 1.3 christos
1251 1.3 christos flags = bed->dynamic_sec_flags;
1252 1.3 christos pltflags = flags | SEC_ALLOC | SEC_CODE | SEC_LOAD;
1253 1.3 christos
1254 1.3 christos s = bfd_make_section_with_flags (abfd, ".iplt", pltflags);
1255 1.3 christos if (s == NULL
1256 1.3 christos || ! bfd_set_section_alignment (abfd, s, bed->plt_alignment))
1257 1.3 christos return FALSE;
1258 1.3 christos htab->iplt = s;
1259 1.3 christos
1260 1.3 christos s = bfd_make_section_with_flags (abfd, ".rela.iplt",
1261 1.3 christos flags | SEC_READONLY);
1262 1.3 christos if (s == NULL
1263 1.3 christos || ! bfd_set_section_alignment (abfd, s,
1264 1.3 christos bed->s->log_file_align))
1265 1.3 christos return FALSE;
1266 1.3 christos htab->irelplt = s;
1267 1.3 christos
1268 1.3 christos return TRUE;
1269 1.3 christos }
1270 1.1 skrll
1271 1.1 skrll /* Copy the extra info we tack onto an elf_link_hash_entry. */
1272 1.1 skrll
1273 1.1 skrll void
1274 1.1 skrll _bfd_sparc_elf_copy_indirect_symbol (struct bfd_link_info *info,
1275 1.1 skrll struct elf_link_hash_entry *dir,
1276 1.1 skrll struct elf_link_hash_entry *ind)
1277 1.1 skrll {
1278 1.1 skrll struct _bfd_sparc_elf_link_hash_entry *edir, *eind;
1279 1.1 skrll
1280 1.1 skrll edir = (struct _bfd_sparc_elf_link_hash_entry *) dir;
1281 1.1 skrll eind = (struct _bfd_sparc_elf_link_hash_entry *) ind;
1282 1.1 skrll
1283 1.1 skrll if (eind->dyn_relocs != NULL)
1284 1.1 skrll {
1285 1.1 skrll if (edir->dyn_relocs != NULL)
1286 1.13 christos {
1287 1.13 christos struct elf_dyn_relocs **pp;
1288 1.1 skrll struct elf_dyn_relocs *p;
1289 1.1 skrll
1290 1.1 skrll /* Add reloc counts against the indirect sym to the direct sym
1291 1.1 skrll list. Merge any entries against the same section. */
1292 1.1 skrll for (pp = &eind->dyn_relocs; (p = *pp) != NULL; )
1293 1.13 christos {
1294 1.1 skrll struct elf_dyn_relocs *q;
1295 1.1 skrll
1296 1.1 skrll for (q = edir->dyn_relocs; q != NULL; q = q->next)
1297 1.1 skrll if (q->sec == p->sec)
1298 1.1 skrll {
1299 1.1 skrll q->pc_count += p->pc_count;
1300 1.1 skrll q->count += p->count;
1301 1.1 skrll *pp = p->next;
1302 1.1 skrll break;
1303 1.1 skrll }
1304 1.1 skrll if (q == NULL)
1305 1.1 skrll pp = &p->next;
1306 1.1 skrll }
1307 1.1 skrll *pp = edir->dyn_relocs;
1308 1.1 skrll }
1309 1.1 skrll
1310 1.1 skrll edir->dyn_relocs = eind->dyn_relocs;
1311 1.1 skrll eind->dyn_relocs = NULL;
1312 1.1 skrll }
1313 1.1 skrll
1314 1.1 skrll if (ind->root.type == bfd_link_hash_indirect
1315 1.1 skrll && dir->got.refcount <= 0)
1316 1.1 skrll {
1317 1.1 skrll edir->tls_type = eind->tls_type;
1318 1.1 skrll eind->tls_type = GOT_UNKNOWN;
1319 1.13 christos }
1320 1.13 christos
1321 1.13 christos /* Copy has_got_reloc and has_non_got_reloc. */
1322 1.13 christos edir->has_got_reloc |= eind->has_got_reloc;
1323 1.13 christos edir->has_non_got_reloc |= eind->has_non_got_reloc;
1324 1.1 skrll
1325 1.1 skrll _bfd_elf_link_hash_copy_indirect (info, dir, ind);
1326 1.1 skrll }
1327 1.1 skrll
1328 1.1 skrll static int
1329 1.1 skrll sparc_elf_tls_transition (struct bfd_link_info *info, bfd *abfd,
1330 1.1 skrll int r_type, int is_local)
1331 1.1 skrll {
1332 1.1 skrll if (! ABI_64_P (abfd)
1333 1.1 skrll && r_type == R_SPARC_TLS_GD_HI22
1334 1.1 skrll && ! _bfd_sparc_elf_tdata (abfd)->has_tlsgd)
1335 1.1 skrll r_type = R_SPARC_REV32;
1336 1.12 joerg
1337 1.1 skrll if (bfd_link_dll (info))
1338 1.1 skrll return r_type;
1339 1.1 skrll
1340 1.1 skrll switch (r_type)
1341 1.1 skrll {
1342 1.1 skrll case R_SPARC_TLS_GD_HI22:
1343 1.1 skrll if (is_local)
1344 1.1 skrll return R_SPARC_TLS_LE_HIX22;
1345 1.1 skrll return R_SPARC_TLS_IE_HI22;
1346 1.1 skrll case R_SPARC_TLS_GD_LO10:
1347 1.1 skrll if (is_local)
1348 1.1 skrll return R_SPARC_TLS_LE_LOX10;
1349 1.1 skrll return R_SPARC_TLS_IE_LO10;
1350 1.1 skrll case R_SPARC_TLS_IE_HI22:
1351 1.1 skrll if (is_local)
1352 1.1 skrll return R_SPARC_TLS_LE_HIX22;
1353 1.1 skrll return r_type;
1354 1.1 skrll case R_SPARC_TLS_IE_LO10:
1355 1.1 skrll if (is_local)
1356 1.1 skrll return R_SPARC_TLS_LE_LOX10;
1357 1.1 skrll return r_type;
1358 1.1 skrll case R_SPARC_TLS_LDM_HI22:
1359 1.1 skrll return R_SPARC_TLS_LE_HIX22;
1360 1.1 skrll case R_SPARC_TLS_LDM_LO10:
1361 1.1 skrll return R_SPARC_TLS_LE_LOX10;
1362 1.1 skrll }
1363 1.1 skrll
1364 1.1 skrll return r_type;
1365 1.1 skrll }
1366 1.1 skrll
1367 1.1 skrll /* Look through the relocs for a section during the first phase, and
1369 1.1 skrll allocate space in the global offset table or procedure linkage
1370 1.1 skrll table. */
1371 1.1 skrll
1372 1.1 skrll bfd_boolean
1373 1.1 skrll _bfd_sparc_elf_check_relocs (bfd *abfd, struct bfd_link_info *info,
1374 1.1 skrll asection *sec, const Elf_Internal_Rela *relocs)
1375 1.1 skrll {
1376 1.1 skrll struct _bfd_sparc_elf_link_hash_table *htab;
1377 1.1 skrll Elf_Internal_Shdr *symtab_hdr;
1378 1.1 skrll struct elf_link_hash_entry **sym_hashes;
1379 1.1 skrll const Elf_Internal_Rela *rel;
1380 1.1 skrll const Elf_Internal_Rela *rel_end;
1381 1.1 skrll asection *sreloc;
1382 1.1 skrll int num_relocs;
1383 1.7 christos bfd_boolean checked_tlsgd = FALSE;
1384 1.1 skrll
1385 1.1 skrll if (bfd_link_relocatable (info))
1386 1.1 skrll return TRUE;
1387 1.3 christos
1388 1.1 skrll htab = _bfd_sparc_elf_hash_table (info);
1389 1.1 skrll BFD_ASSERT (htab != NULL);
1390 1.1 skrll symtab_hdr = &elf_symtab_hdr (abfd);
1391 1.1 skrll sym_hashes = elf_sym_hashes (abfd);
1392 1.1 skrll
1393 1.1 skrll sreloc = NULL;
1394 1.3 christos
1395 1.1 skrll if (ABI_64_P (abfd))
1396 1.1 skrll num_relocs = NUM_SHDR_ENTRIES (_bfd_elf_single_rel_hdr (sec));
1397 1.1 skrll else
1398 1.1 skrll num_relocs = sec->reloc_count;
1399 1.1 skrll
1400 1.3 christos BFD_ASSERT (is_sparc_elf (abfd) || num_relocs == 0);
1401 1.3 christos
1402 1.3 christos if (htab->elf.dynobj == NULL)
1403 1.3 christos htab->elf.dynobj = abfd;
1404 1.3 christos if (!create_ifunc_sections (htab->elf.dynobj, info))
1405 1.1 skrll return FALSE;
1406 1.1 skrll
1407 1.1 skrll rel_end = relocs + num_relocs;
1408 1.1 skrll for (rel = relocs; rel < rel_end; rel++)
1409 1.13 christos {
1410 1.1 skrll unsigned int r_type;
1411 1.13 christos unsigned int r_symndx;
1412 1.3 christos struct elf_link_hash_entry *h;
1413 1.1 skrll struct _bfd_sparc_elf_link_hash_entry *eh;
1414 1.1 skrll Elf_Internal_Sym *isym;
1415 1.1 skrll
1416 1.1 skrll r_symndx = SPARC_ELF_R_SYMNDX (htab, rel->r_info);
1417 1.1 skrll r_type = SPARC_ELF_R_TYPE (rel->r_info);
1418 1.1 skrll
1419 1.13 christos if (r_symndx >= NUM_SHDR_ENTRIES (symtab_hdr))
1420 1.13 christos {
1421 1.1 skrll /* xgettext:c-format */
1422 1.1 skrll _bfd_error_handler (_("%B: bad symbol index: %d"), abfd, r_symndx);
1423 1.1 skrll return FALSE;
1424 1.3 christos }
1425 1.1 skrll
1426 1.3 christos isym = NULL;
1427 1.3 christos if (r_symndx < symtab_hdr->sh_info)
1428 1.3 christos {
1429 1.3 christos /* A local symbol. */
1430 1.3 christos isym = bfd_sym_from_r_symndx (&htab->sym_cache,
1431 1.3 christos abfd, r_symndx);
1432 1.3 christos if (isym == NULL)
1433 1.3 christos return FALSE;
1434 1.3 christos
1435 1.3 christos /* Check relocation against local STT_GNU_IFUNC symbol. */
1436 1.3 christos if (ELF_ST_TYPE (isym->st_info) == STT_GNU_IFUNC)
1437 1.3 christos {
1438 1.3 christos h = elf_sparc_get_local_sym_hash (htab, abfd, rel,
1439 1.3 christos TRUE);
1440 1.7 christos if (h == NULL)
1441 1.3 christos return FALSE;
1442 1.3 christos
1443 1.3 christos /* Fake a STT_GNU_IFUNC symbol. */
1444 1.3 christos h->type = STT_GNU_IFUNC;
1445 1.3 christos h->def_regular = 1;
1446 1.3 christos h->ref_regular = 1;
1447 1.3 christos h->forced_local = 1;
1448 1.3 christos h->root.type = bfd_link_hash_defined;
1449 1.3 christos }
1450 1.3 christos else
1451 1.1 skrll h = NULL;
1452 1.1 skrll }
1453 1.1 skrll else
1454 1.1 skrll {
1455 1.1 skrll h = sym_hashes[r_symndx - symtab_hdr->sh_info];
1456 1.1 skrll while (h->root.type == bfd_link_hash_indirect
1457 1.1 skrll || h->root.type == bfd_link_hash_warning)
1458 1.1 skrll h = (struct elf_link_hash_entry *) h->root.u.i.link;
1459 1.3 christos }
1460 1.3 christos
1461 1.3 christos if (h && h->type == STT_GNU_IFUNC)
1462 1.3 christos {
1463 1.3 christos if (h->def_regular)
1464 1.3 christos {
1465 1.3 christos h->ref_regular = 1;
1466 1.3 christos h->plt.refcount += 1;
1467 1.3 christos }
1468 1.1 skrll }
1469 1.1 skrll
1470 1.1 skrll /* Compatibility with old R_SPARC_REV32 reloc conflicting
1471 1.1 skrll with R_SPARC_TLS_GD_HI22. */
1472 1.1 skrll if (! ABI_64_P (abfd) && ! checked_tlsgd)
1473 1.1 skrll switch (r_type)
1474 1.1 skrll {
1475 1.1 skrll case R_SPARC_TLS_GD_HI22:
1476 1.1 skrll {
1477 1.1 skrll const Elf_Internal_Rela *relt;
1478 1.1 skrll
1479 1.1 skrll for (relt = rel + 1; relt < rel_end; relt++)
1480 1.1 skrll if (ELF32_R_TYPE (relt->r_info) == R_SPARC_TLS_GD_LO10
1481 1.1 skrll || ELF32_R_TYPE (relt->r_info) == R_SPARC_TLS_GD_ADD
1482 1.1 skrll || ELF32_R_TYPE (relt->r_info) == R_SPARC_TLS_GD_CALL)
1483 1.1 skrll break;
1484 1.1 skrll checked_tlsgd = TRUE;
1485 1.1 skrll _bfd_sparc_elf_tdata (abfd)->has_tlsgd = relt < rel_end;
1486 1.1 skrll }
1487 1.1 skrll break;
1488 1.1 skrll case R_SPARC_TLS_GD_LO10:
1489 1.1 skrll case R_SPARC_TLS_GD_ADD:
1490 1.1 skrll case R_SPARC_TLS_GD_CALL:
1491 1.1 skrll checked_tlsgd = TRUE;
1492 1.1 skrll _bfd_sparc_elf_tdata (abfd)->has_tlsgd = TRUE;
1493 1.1 skrll break;
1494 1.1 skrll }
1495 1.13 christos
1496 1.13 christos r_type = sparc_elf_tls_transition (info, abfd, r_type, h == NULL);
1497 1.1 skrll eh = (struct _bfd_sparc_elf_link_hash_entry *) h;
1498 1.1 skrll
1499 1.1 skrll switch (r_type)
1500 1.1 skrll {
1501 1.1 skrll case R_SPARC_TLS_LDM_HI22:
1502 1.13 christos case R_SPARC_TLS_LDM_LO10:
1503 1.13 christos htab->tls_ldm_got.refcount += 1;
1504 1.1 skrll if (eh != NULL)
1505 1.1 skrll eh->has_got_reloc = 1;
1506 1.1 skrll break;
1507 1.1 skrll
1508 1.12 joerg case R_SPARC_TLS_LE_HIX22:
1509 1.1 skrll case R_SPARC_TLS_LE_LOX10:
1510 1.1 skrll if (bfd_link_dll (info))
1511 1.1 skrll goto r_sparc_plt32;
1512 1.1 skrll break;
1513 1.1 skrll
1514 1.12 joerg case R_SPARC_TLS_IE_HI22:
1515 1.1 skrll case R_SPARC_TLS_IE_LO10:
1516 1.1 skrll if (bfd_link_dll (info))
1517 1.1 skrll info->flags |= DF_STATIC_TLS;
1518 1.1 skrll /* Fall through */
1519 1.1 skrll
1520 1.1 skrll case R_SPARC_GOT10:
1521 1.1 skrll case R_SPARC_GOT13:
1522 1.1 skrll case R_SPARC_GOT22:
1523 1.1 skrll case R_SPARC_GOTDATA_HIX22:
1524 1.1 skrll case R_SPARC_GOTDATA_LOX10:
1525 1.1 skrll case R_SPARC_GOTDATA_OP_HIX22:
1526 1.1 skrll case R_SPARC_GOTDATA_OP_LOX10:
1527 1.1 skrll case R_SPARC_TLS_GD_HI22:
1528 1.1 skrll case R_SPARC_TLS_GD_LO10:
1529 1.1 skrll /* This symbol requires a global offset table entry. */
1530 1.1 skrll {
1531 1.1 skrll int tls_type, old_tls_type;
1532 1.1 skrll
1533 1.1 skrll switch (r_type)
1534 1.1 skrll {
1535 1.1 skrll default:
1536 1.1 skrll case R_SPARC_GOT10:
1537 1.1 skrll case R_SPARC_GOT13:
1538 1.1 skrll case R_SPARC_GOT22:
1539 1.1 skrll case R_SPARC_GOTDATA_OP_HIX22:
1540 1.1 skrll case R_SPARC_GOTDATA_OP_LOX10:
1541 1.1 skrll tls_type = GOT_NORMAL;
1542 1.1 skrll break;
1543 1.1 skrll case R_SPARC_TLS_GD_HI22:
1544 1.1 skrll case R_SPARC_TLS_GD_LO10:
1545 1.1 skrll tls_type = GOT_TLS_GD;
1546 1.1 skrll break;
1547 1.1 skrll case R_SPARC_TLS_IE_HI22:
1548 1.1 skrll case R_SPARC_TLS_IE_LO10:
1549 1.1 skrll tls_type = GOT_TLS_IE;
1550 1.1 skrll break;
1551 1.1 skrll }
1552 1.1 skrll
1553 1.1 skrll if (h != NULL)
1554 1.1 skrll {
1555 1.1 skrll h->got.refcount += 1;
1556 1.1 skrll old_tls_type = _bfd_sparc_elf_hash_entry(h)->tls_type;
1557 1.1 skrll }
1558 1.1 skrll else
1559 1.1 skrll {
1560 1.1 skrll bfd_signed_vma *local_got_refcounts;
1561 1.1 skrll
1562 1.1 skrll /* This is a global offset table entry for a local symbol. */
1563 1.1 skrll local_got_refcounts = elf_local_got_refcounts (abfd);
1564 1.1 skrll if (local_got_refcounts == NULL)
1565 1.1 skrll {
1566 1.1 skrll bfd_size_type size;
1567 1.1 skrll
1568 1.1 skrll size = symtab_hdr->sh_info;
1569 1.1 skrll size *= (sizeof (bfd_signed_vma) + sizeof(char));
1570 1.1 skrll local_got_refcounts = ((bfd_signed_vma *)
1571 1.1 skrll bfd_zalloc (abfd, size));
1572 1.1 skrll if (local_got_refcounts == NULL)
1573 1.1 skrll return FALSE;
1574 1.1 skrll elf_local_got_refcounts (abfd) = local_got_refcounts;
1575 1.1 skrll _bfd_sparc_elf_local_got_tls_type (abfd)
1576 1.3 christos = (char *) (local_got_refcounts + symtab_hdr->sh_info);
1577 1.3 christos }
1578 1.3 christos switch (r_type)
1579 1.3 christos {
1580 1.3 christos case R_SPARC_GOTDATA_OP_HIX22:
1581 1.3 christos case R_SPARC_GOTDATA_OP_LOX10:
1582 1.3 christos break;
1583 1.3 christos
1584 1.3 christos default:
1585 1.3 christos local_got_refcounts[r_symndx] += 1;
1586 1.1 skrll break;
1587 1.1 skrll }
1588 1.1 skrll old_tls_type = _bfd_sparc_elf_local_got_tls_type (abfd) [r_symndx];
1589 1.1 skrll }
1590 1.1 skrll
1591 1.1 skrll /* If a TLS symbol is accessed using IE at least once,
1592 1.1 skrll there is no point to use dynamic model for it. */
1593 1.1 skrll if (old_tls_type != tls_type && old_tls_type != GOT_UNKNOWN
1594 1.1 skrll && (old_tls_type != GOT_TLS_GD
1595 1.1 skrll || tls_type != GOT_TLS_IE))
1596 1.1 skrll {
1597 1.1 skrll if (old_tls_type == GOT_TLS_IE && tls_type == GOT_TLS_GD)
1598 1.1 skrll tls_type = old_tls_type;
1599 1.13 christos else
1600 1.13 christos {
1601 1.1 skrll _bfd_error_handler
1602 1.1 skrll /* xgettext:c-format */
1603 1.1 skrll (_("%B: `%s' accessed both as normal and thread local symbol"),
1604 1.1 skrll abfd, h ? h->root.root.string : "<local>");
1605 1.1 skrll return FALSE;
1606 1.1 skrll }
1607 1.1 skrll }
1608 1.1 skrll
1609 1.1 skrll if (old_tls_type != tls_type)
1610 1.1 skrll {
1611 1.1 skrll if (h != NULL)
1612 1.1 skrll _bfd_sparc_elf_hash_entry (h)->tls_type = tls_type;
1613 1.1 skrll else
1614 1.1 skrll _bfd_sparc_elf_local_got_tls_type (abfd) [r_symndx] = tls_type;
1615 1.1 skrll }
1616 1.3 christos }
1617 1.1 skrll
1618 1.3 christos if (htab->elf.sgot == NULL)
1619 1.1 skrll {
1620 1.1 skrll if (!_bfd_elf_create_got_section (htab->elf.dynobj, info))
1621 1.13 christos return FALSE;
1622 1.13 christos }
1623 1.13 christos
1624 1.1 skrll if (eh != NULL)
1625 1.1 skrll eh->has_got_reloc = 1;
1626 1.1 skrll break;
1627 1.1 skrll
1628 1.7 christos case R_SPARC_TLS_GD_CALL:
1629 1.1 skrll case R_SPARC_TLS_LDM_CALL:
1630 1.1 skrll if (bfd_link_pic (info))
1631 1.1 skrll {
1632 1.13 christos /* These are basically R_SPARC_TLS_WPLT30 relocs against
1633 1.13 christos __tls_get_addr. */
1634 1.13 christos h = (struct elf_link_hash_entry *)
1635 1.1 skrll bfd_link_hash_lookup (info->hash, "__tls_get_addr", TRUE,
1636 1.1 skrll FALSE, TRUE);
1637 1.1 skrll }
1638 1.1 skrll else
1639 1.1 skrll break;
1640 1.1 skrll /* Fall through */
1641 1.1 skrll
1642 1.1 skrll case R_SPARC_PLT32:
1643 1.1 skrll case R_SPARC_WPLT30:
1644 1.1 skrll case R_SPARC_HIPLT22:
1645 1.1 skrll case R_SPARC_LOPLT10:
1646 1.1 skrll case R_SPARC_PCPLT32:
1647 1.1 skrll case R_SPARC_PCPLT22:
1648 1.1 skrll case R_SPARC_PCPLT10:
1649 1.1 skrll case R_SPARC_PLT64:
1650 1.1 skrll /* This symbol requires a procedure linkage table entry. We
1651 1.1 skrll actually build the entry in adjust_dynamic_symbol,
1652 1.1 skrll because this might be a case of linking PIC code without
1653 1.1 skrll linking in any dynamic objects, in which case we don't
1654 1.1 skrll need to generate a procedure linkage table after all. */
1655 1.1 skrll
1656 1.1 skrll if (h == NULL)
1657 1.1 skrll {
1658 1.1 skrll if (! ABI_64_P (abfd))
1659 1.1 skrll {
1660 1.1 skrll /* The Solaris native assembler will generate a WPLT30
1661 1.1 skrll reloc for a local symbol if you assemble a call from
1662 1.1 skrll one section to another when using -K pic. We treat
1663 1.1 skrll it as WDISP30. */
1664 1.1 skrll if (ELF32_R_TYPE (rel->r_info) == R_SPARC_PLT32)
1665 1.1 skrll goto r_sparc_plt32;
1666 1.3 christos break;
1667 1.3 christos }
1668 1.3 christos /* PR 7027: We need similar behaviour for 64-bit binaries. */
1669 1.1 skrll else if (r_type == R_SPARC_WPLT30)
1670 1.1 skrll break;
1671 1.13 christos
1672 1.1 skrll /* It does not make sense to have a procedure linkage
1673 1.1 skrll table entry for a local symbol. */
1674 1.1 skrll bfd_set_error (bfd_error_bad_value);
1675 1.1 skrll return FALSE;
1676 1.1 skrll }
1677 1.1 skrll
1678 1.1 skrll h->needs_plt = 1;
1679 1.1 skrll
1680 1.1 skrll {
1681 1.1 skrll int this_r_type;
1682 1.1 skrll
1683 1.1 skrll this_r_type = SPARC_ELF_R_TYPE (rel->r_info);
1684 1.1 skrll if (this_r_type == R_SPARC_PLT32
1685 1.1 skrll || this_r_type == R_SPARC_PLT64)
1686 1.1 skrll goto r_sparc_plt32;
1687 1.13 christos }
1688 1.13 christos h->plt.refcount += 1;
1689 1.13 christos
1690 1.1 skrll eh = (struct _bfd_sparc_elf_link_hash_entry *) h;
1691 1.1 skrll eh->has_got_reloc = 1;
1692 1.1 skrll break;
1693 1.1 skrll
1694 1.1 skrll case R_SPARC_PC10:
1695 1.1 skrll case R_SPARC_PC22:
1696 1.1 skrll case R_SPARC_PC_HH22:
1697 1.1 skrll case R_SPARC_PC_HM10:
1698 1.1 skrll case R_SPARC_PC_LM22:
1699 1.1 skrll if (h != NULL)
1700 1.1 skrll h->non_got_ref = 1;
1701 1.1 skrll
1702 1.1 skrll if (h != NULL
1703 1.1 skrll && strcmp (h->root.root.string, "_GLOBAL_OFFSET_TABLE_") == 0)
1704 1.1 skrll break;
1705 1.1 skrll /* Fall through. */
1706 1.1 skrll
1707 1.1 skrll case R_SPARC_DISP8:
1708 1.1 skrll case R_SPARC_DISP16:
1709 1.1 skrll case R_SPARC_DISP32:
1710 1.1 skrll case R_SPARC_DISP64:
1711 1.1 skrll case R_SPARC_WDISP30:
1712 1.1 skrll case R_SPARC_WDISP22:
1713 1.6 christos case R_SPARC_WDISP19:
1714 1.1 skrll case R_SPARC_WDISP16:
1715 1.1 skrll case R_SPARC_WDISP10:
1716 1.1 skrll case R_SPARC_8:
1717 1.1 skrll case R_SPARC_16:
1718 1.1 skrll case R_SPARC_32:
1719 1.1 skrll case R_SPARC_HI22:
1720 1.1 skrll case R_SPARC_22:
1721 1.1 skrll case R_SPARC_13:
1722 1.1 skrll case R_SPARC_LO10:
1723 1.1 skrll case R_SPARC_UA16:
1724 1.1 skrll case R_SPARC_UA32:
1725 1.1 skrll case R_SPARC_10:
1726 1.1 skrll case R_SPARC_11:
1727 1.1 skrll case R_SPARC_64:
1728 1.1 skrll case R_SPARC_OLO10:
1729 1.1 skrll case R_SPARC_HH22:
1730 1.1 skrll case R_SPARC_HM10:
1731 1.1 skrll case R_SPARC_LM22:
1732 1.1 skrll case R_SPARC_7:
1733 1.1 skrll case R_SPARC_5:
1734 1.1 skrll case R_SPARC_6:
1735 1.1 skrll case R_SPARC_HIX22:
1736 1.1 skrll case R_SPARC_LOX10:
1737 1.1 skrll case R_SPARC_H44:
1738 1.6 christos case R_SPARC_M44:
1739 1.1 skrll case R_SPARC_L44:
1740 1.1 skrll case R_SPARC_H34:
1741 1.1 skrll case R_SPARC_UA64:
1742 1.1 skrll if (h != NULL)
1743 1.13 christos h->non_got_ref = 1;
1744 1.13 christos
1745 1.13 christos if (eh != NULL && (sec->flags & SEC_CODE) != 0)
1746 1.1 skrll eh->has_non_got_reloc = 1;
1747 1.7 christos
1748 1.1 skrll r_sparc_plt32:
1749 1.1 skrll if (h != NULL && !bfd_link_pic (info))
1750 1.1 skrll {
1751 1.1 skrll /* We may need a .plt entry if the function this reloc
1752 1.1 skrll refers to is in a shared lib. */
1753 1.1 skrll h->plt.refcount += 1;
1754 1.1 skrll }
1755 1.1 skrll
1756 1.1 skrll /* If we are creating a shared library, and this is a reloc
1757 1.1 skrll against a global symbol, or a non PC relative reloc
1758 1.1 skrll against a local symbol, then we need to copy the reloc
1759 1.1 skrll into the shared library. However, if we are linking with
1760 1.1 skrll -Bsymbolic, we do not need to copy a reloc against a
1761 1.1 skrll global symbol which is defined in an object we are
1762 1.1 skrll including in the link (i.e., DEF_REGULAR is set). At
1763 1.1 skrll this point we have not seen all the input files, so it is
1764 1.1 skrll possible that DEF_REGULAR is not set now but will be set
1765 1.1 skrll later (it is never cleared). In case of a weak definition,
1766 1.1 skrll DEF_REGULAR may be cleared later by a strong definition in
1767 1.1 skrll a shared library. We account for that possibility below by
1768 1.1 skrll storing information in the relocs_copied field of the hash
1769 1.1 skrll table entry. A similar situation occurs when creating
1770 1.1 skrll shared libraries and symbol visibility changes render the
1771 1.1 skrll symbol local.
1772 1.1 skrll
1773 1.1 skrll If on the other hand, we are creating an executable, we
1774 1.1 skrll may need to keep relocations for symbols satisfied by a
1775 1.7 christos dynamic library if we manage to avoid copy relocs for the
1776 1.1 skrll symbol. */
1777 1.1 skrll if ((bfd_link_pic (info)
1778 1.1 skrll && (sec->flags & SEC_ALLOC) != 0
1779 1.3 christos && (! _bfd_sparc_elf_howto_table[r_type].pc_relative
1780 1.1 skrll || (h != NULL
1781 1.1 skrll && (! SYMBOLIC_BIND (info, h)
1782 1.7 christos || h->root.type == bfd_link_hash_defweak
1783 1.1 skrll || !h->def_regular))))
1784 1.1 skrll || (!bfd_link_pic (info)
1785 1.1 skrll && (sec->flags & SEC_ALLOC) != 0
1786 1.3 christos && h != NULL
1787 1.7 christos && (h->root.type == bfd_link_hash_defweak
1788 1.3 christos || !h->def_regular))
1789 1.3 christos || (!bfd_link_pic (info)
1790 1.1 skrll && h != NULL
1791 1.13 christos && h->type == STT_GNU_IFUNC))
1792 1.13 christos {
1793 1.1 skrll struct elf_dyn_relocs *p;
1794 1.1 skrll struct elf_dyn_relocs **head;
1795 1.1 skrll
1796 1.1 skrll /* When creating a shared object, we must copy these
1797 1.1 skrll relocs into the output file. We create a reloc
1798 1.1 skrll section in dynobj and make room for the reloc. */
1799 1.3 christos if (sreloc == NULL)
1800 1.3 christos {
1801 1.3 christos sreloc = _bfd_elf_make_dynamic_reloc_section
1802 1.1 skrll (sec, htab->elf.dynobj, htab->word_align_power,
1803 1.3 christos abfd, /*rela?*/ TRUE);
1804 1.1 skrll
1805 1.1 skrll if (sreloc == NULL)
1806 1.1 skrll return FALSE;
1807 1.1 skrll }
1808 1.1 skrll
1809 1.1 skrll /* If this is a global symbol, we count the number of
1810 1.1 skrll relocations we need for this symbol. */
1811 1.1 skrll if (h != NULL)
1812 1.1 skrll head = &((struct _bfd_sparc_elf_link_hash_entry *) h)->dyn_relocs;
1813 1.1 skrll else
1814 1.1 skrll {
1815 1.1 skrll /* Track dynamic relocs needed for local syms too.
1816 1.1 skrll We really need local syms available to do this
1817 1.1 skrll easily. Oh well. */
1818 1.1 skrll asection *s;
1819 1.3 christos void *vpp;
1820 1.3 christos
1821 1.1 skrll BFD_ASSERT (isym != NULL);
1822 1.3 christos s = bfd_section_from_elf_index (abfd, isym->st_shndx);
1823 1.1 skrll if (s == NULL)
1824 1.1 skrll s = sec;
1825 1.13 christos
1826 1.1 skrll vpp = &elf_section_data (s)->local_dynrel;
1827 1.1 skrll head = (struct elf_dyn_relocs **) vpp;
1828 1.1 skrll }
1829 1.1 skrll
1830 1.1 skrll p = *head;
1831 1.1 skrll if (p == NULL || p->sec != sec)
1832 1.13 christos {
1833 1.1 skrll bfd_size_type amt = sizeof *p;
1834 1.1 skrll p = ((struct elf_dyn_relocs *)
1835 1.1 skrll bfd_alloc (htab->elf.dynobj, amt));
1836 1.1 skrll if (p == NULL)
1837 1.1 skrll return FALSE;
1838 1.1 skrll p->next = *head;
1839 1.1 skrll *head = p;
1840 1.1 skrll p->sec = sec;
1841 1.1 skrll p->count = 0;
1842 1.1 skrll p->pc_count = 0;
1843 1.1 skrll }
1844 1.1 skrll
1845 1.1 skrll p->count += 1;
1846 1.1 skrll if (_bfd_sparc_elf_howto_table[r_type].pc_relative)
1847 1.1 skrll p->pc_count += 1;
1848 1.1 skrll }
1849 1.1 skrll
1850 1.1 skrll break;
1851 1.1 skrll
1852 1.1 skrll case R_SPARC_GNU_VTINHERIT:
1853 1.1 skrll if (!bfd_elf_gc_record_vtinherit (abfd, sec, h, rel->r_offset))
1854 1.1 skrll return FALSE;
1855 1.1 skrll break;
1856 1.1 skrll
1857 1.1 skrll case R_SPARC_GNU_VTENTRY:
1858 1.1 skrll BFD_ASSERT (h != NULL);
1859 1.1 skrll if (h != NULL
1860 1.1 skrll && !bfd_elf_gc_record_vtentry (abfd, sec, h, rel->r_addend))
1861 1.1 skrll return FALSE;
1862 1.1 skrll break;
1863 1.1 skrll
1864 1.1 skrll case R_SPARC_REGISTER:
1865 1.1 skrll /* Nothing to do. */
1866 1.1 skrll break;
1867 1.1 skrll
1868 1.1 skrll default:
1869 1.1 skrll break;
1870 1.1 skrll }
1871 1.1 skrll }
1872 1.1 skrll
1873 1.1 skrll return TRUE;
1874 1.1 skrll }
1875 1.1 skrll
1876 1.1 skrll asection *
1878 1.1 skrll _bfd_sparc_elf_gc_mark_hook (asection *sec,
1879 1.1 skrll struct bfd_link_info *info,
1880 1.1 skrll Elf_Internal_Rela *rel,
1881 1.1 skrll struct elf_link_hash_entry *h,
1882 1.1 skrll Elf_Internal_Sym *sym)
1883 1.1 skrll {
1884 1.1 skrll if (h != NULL)
1885 1.1 skrll switch (SPARC_ELF_R_TYPE (rel->r_info))
1886 1.1 skrll {
1887 1.1 skrll case R_SPARC_GNU_VTINHERIT:
1888 1.1 skrll case R_SPARC_GNU_VTENTRY:
1889 1.6 christos return NULL;
1890 1.7 christos }
1891 1.7 christos
1892 1.6 christos /* FIXME: The test here, in check_relocs and in relocate_section
1893 1.6 christos dealing with TLS optimization, ought to be !bfd_link_executable (info). */
1894 1.6 christos if (bfd_link_pic (info))
1895 1.6 christos {
1896 1.6 christos switch (SPARC_ELF_R_TYPE (rel->r_info))
1897 1.6 christos {
1898 1.6 christos case R_SPARC_TLS_GD_CALL:
1899 1.6 christos case R_SPARC_TLS_LDM_CALL:
1900 1.6 christos /* This reloc implicitly references __tls_get_addr. We know
1901 1.6 christos another reloc will reference the same symbol as the one
1902 1.6 christos on this reloc, so the real symbol and section will be
1903 1.6 christos gc marked when processing the other reloc. That lets
1904 1.6 christos us handle __tls_get_addr here. */
1905 1.6 christos h = elf_link_hash_lookup (elf_hash_table (info), "__tls_get_addr",
1906 1.13 christos FALSE, FALSE, TRUE);
1907 1.13 christos BFD_ASSERT (h != NULL);
1908 1.6 christos h->mark = 1;
1909 1.6 christos if (h->is_weakalias)
1910 1.6 christos weakdef (h)->mark = 1;
1911 1.6 christos sym = NULL;
1912 1.1 skrll }
1913 1.1 skrll }
1914 1.1 skrll
1915 1.6 christos return _bfd_elf_gc_mark_hook (sec, info, rel, h, sym);
1916 1.6 christos }
1917 1.6 christos
1918 1.6 christos static Elf_Internal_Rela *
1919 1.6 christos sparc_elf_find_reloc_at_ofs (Elf_Internal_Rela *rel,
1920 1.6 christos Elf_Internal_Rela *relend,
1921 1.6 christos bfd_vma offset)
1922 1.6 christos {
1923 1.6 christos while (rel < relend)
1924 1.6 christos {
1925 1.6 christos if (rel->r_offset == offset)
1926 1.6 christos return rel;
1927 1.6 christos rel++;
1928 1.6 christos }
1929 1.13 christos return NULL;
1930 1.13 christos }
1931 1.13 christos
1932 1.1 skrll /* Remove undefined weak symbol from the dynamic symbol table if it
1933 1.13 christos is resolved to 0. */
1934 1.13 christos
1935 1.1 skrll bfd_boolean
1936 1.13 christos _bfd_sparc_elf_fixup_symbol (struct bfd_link_info *info,
1937 1.13 christos struct elf_link_hash_entry *h)
1938 1.13 christos {
1939 1.13 christos if (h->dynindx != -1
1940 1.13 christos && UNDEFINED_WEAK_RESOLVED_TO_ZERO (info,
1941 1.13 christos _bfd_sparc_elf_hash_entry (h)))
1942 1.13 christos {
1943 1.13 christos h->dynindx = -1;
1944 1.13 christos _bfd_elf_strtab_delref (elf_hash_table (info)->dynstr,
1945 1.13 christos h->dynstr_index);
1946 1.1 skrll }
1947 1.13 christos return TRUE;
1948 1.1 skrll }
1949 1.13 christos
1950 1.13 christos /* Find dynamic relocs for H that apply to read-only sections. */
1951 1.13 christos
1952 1.13 christos static asection *
1953 1.1 skrll readonly_dynrelocs (struct elf_link_hash_entry *h)
1954 1.13 christos {
1955 1.1 skrll struct elf_dyn_relocs *p;
1956 1.13 christos
1957 1.1 skrll for (p = _bfd_sparc_elf_hash_entry (h)->dyn_relocs; p != NULL; p = p->next)
1958 1.13 christos {
1959 1.13 christos asection *s = p->sec->output_section;
1960 1.1 skrll
1961 1.13 christos if (s != NULL && (s->flags & SEC_READONLY) != 0)
1962 1.1 skrll return p->sec;
1963 1.1 skrll }
1964 1.1 skrll return NULL;
1965 1.1 skrll }
1966 1.1 skrll
1967 1.1 skrll /* Adjust a symbol defined by a dynamic object and referenced by a
1968 1.1 skrll regular object. The current definition is in some section of the
1969 1.1 skrll dynamic object, but we're not including those sections. We have to
1970 1.1 skrll change the definition to something the rest of the link can
1971 1.1 skrll understand. */
1972 1.1 skrll
1973 1.1 skrll bfd_boolean
1974 1.1 skrll _bfd_sparc_elf_adjust_dynamic_symbol (struct bfd_link_info *info,
1975 1.13 christos struct elf_link_hash_entry *h)
1976 1.1 skrll {
1977 1.1 skrll struct _bfd_sparc_elf_link_hash_table *htab;
1978 1.3 christos asection *s, *srel;
1979 1.1 skrll
1980 1.1 skrll htab = _bfd_sparc_elf_hash_table (info);
1981 1.1 skrll BFD_ASSERT (htab != NULL);
1982 1.1 skrll
1983 1.3 christos /* Make sure we know what is going on here. */
1984 1.13 christos BFD_ASSERT (htab->elf.dynobj != NULL
1985 1.1 skrll && (h->needs_plt
1986 1.1 skrll || h->type == STT_GNU_IFUNC
1987 1.1 skrll || h->is_weakalias
1988 1.1 skrll || (h->def_dynamic
1989 1.1 skrll && h->ref_regular
1990 1.1 skrll && !h->def_regular)));
1991 1.1 skrll
1992 1.1 skrll /* If this is a function, put it in the procedure linkage table. We
1993 1.1 skrll will fill in the contents of the procedure linkage table later
1994 1.1 skrll (although we could actually do it here). The STT_NOTYPE
1995 1.1 skrll condition is a hack specifically for the Oracle libraries
1996 1.1 skrll delivered for Solaris; for some inexplicable reason, they define
1997 1.3 christos some of their functions as STT_NOTYPE when they really should be
1998 1.1 skrll STT_FUNC. */
1999 1.1 skrll if (h->type == STT_FUNC
2000 1.1 skrll || h->type == STT_GNU_IFUNC
2001 1.1 skrll || h->needs_plt
2002 1.1 skrll || (h->type == STT_NOTYPE
2003 1.1 skrll && (h->root.type == bfd_link_hash_defined
2004 1.1 skrll || h->root.type == bfd_link_hash_defweak)
2005 1.3 christos && (h->root.u.def.section->flags & SEC_CODE) != 0))
2006 1.3 christos {
2007 1.3 christos if (h->plt.refcount <= 0
2008 1.3 christos || (h->type != STT_GNU_IFUNC
2009 1.1 skrll && (SYMBOL_CALLS_LOCAL (info, h)
2010 1.1 skrll || (ELF_ST_VISIBILITY (h->other) != STV_DEFAULT
2011 1.1 skrll && h->root.type == bfd_link_hash_undefweak))))
2012 1.1 skrll {
2013 1.1 skrll /* This case can occur if we saw a WPLT30 reloc in an input
2014 1.1 skrll file, but the symbol was never referred to by a dynamic
2015 1.1 skrll object, or if all references were garbage collected. In
2016 1.1 skrll such a case, we don't actually need to build a procedure
2017 1.1 skrll linkage table, and we can just do a WDISP30 reloc instead. */
2018 1.1 skrll h->plt.offset = (bfd_vma) -1;
2019 1.1 skrll h->needs_plt = 0;
2020 1.1 skrll }
2021 1.1 skrll
2022 1.1 skrll return TRUE;
2023 1.1 skrll }
2024 1.1 skrll else
2025 1.1 skrll h->plt.offset = (bfd_vma) -1;
2026 1.1 skrll
2027 1.13 christos /* If this is a weak symbol, and there is a real definition, the
2028 1.1 skrll processor independent code will have arranged for us to see the
2029 1.13 christos real definition first, and we can just use the same value. */
2030 1.13 christos if (h->is_weakalias)
2031 1.13 christos {
2032 1.13 christos struct elf_link_hash_entry *def = weakdef (h);
2033 1.1 skrll BFD_ASSERT (def->root.type == bfd_link_hash_defined);
2034 1.1 skrll h->root.u.def.section = def->root.u.def.section;
2035 1.1 skrll h->root.u.def.value = def->root.u.def.value;
2036 1.1 skrll return TRUE;
2037 1.1 skrll }
2038 1.1 skrll
2039 1.1 skrll /* This is a reference to a symbol defined by a dynamic object which
2040 1.1 skrll is not a function. */
2041 1.1 skrll
2042 1.1 skrll /* If we are creating a shared library, we must presume that the
2043 1.7 christos only references to the symbol are via the global offset table.
2044 1.1 skrll For such cases we need not do anything here; the relocations will
2045 1.1 skrll be handled correctly by relocate_section. */
2046 1.1 skrll if (bfd_link_pic (info))
2047 1.1 skrll return TRUE;
2048 1.1 skrll
2049 1.1 skrll /* If there are no references to this symbol that do not use the
2050 1.1 skrll GOT, we don't need to generate a copy reloc. */
2051 1.3 christos if (!h->non_got_ref)
2052 1.3 christos return TRUE;
2053 1.3 christos
2054 1.3 christos /* If -z nocopyreloc was given, we won't generate them either. */
2055 1.3 christos if (info->nocopyreloc)
2056 1.3 christos {
2057 1.3 christos h->non_got_ref = 0;
2058 1.13 christos return TRUE;
2059 1.1 skrll }
2060 1.13 christos
2061 1.1 skrll /* If we don't find any dynamic relocs in read-only sections, then
2062 1.1 skrll we'll be keeping the dynamic relocs and avoiding the copy reloc. */
2063 1.1 skrll if (!readonly_dynrelocs (h))
2064 1.1 skrll {
2065 1.1 skrll h->non_got_ref = 0;
2066 1.1 skrll return TRUE;
2067 1.1 skrll }
2068 1.1 skrll
2069 1.1 skrll /* We must allocate the symbol in our .dynbss section, which will
2070 1.1 skrll become part of the .bss section of the executable. There will be
2071 1.1 skrll an entry for this symbol in the .dynsym section. The dynamic
2072 1.1 skrll object will contain position independent code, so all references
2073 1.1 skrll from the dynamic object to this symbol will go through the global
2074 1.1 skrll offset table. The dynamic linker will use the .dynsym entry to
2075 1.1 skrll determine the address it must put in the global offset table, so
2076 1.1 skrll both the dynamic object and the regular object will refer to the
2077 1.1 skrll same memory location for the variable. */
2078 1.1 skrll
2079 1.1 skrll /* We must generate a R_SPARC_COPY reloc to tell the dynamic linker
2080 1.13 christos to copy the initial value out of the dynamic object and into the
2081 1.13 christos runtime process image. We need to remember the offset into the
2082 1.13 christos .rel.bss section we are going to use. */
2083 1.13 christos if ((h->root.u.def.section->flags & SEC_READONLY) != 0)
2084 1.13 christos {
2085 1.13 christos s = htab->elf.sdynrelro;
2086 1.13 christos srel = htab->elf.sreldynrelro;
2087 1.13 christos }
2088 1.13 christos else
2089 1.13 christos {
2090 1.6 christos s = htab->elf.sdynbss;
2091 1.1 skrll srel = htab->elf.srelbss;
2092 1.13 christos }
2093 1.1 skrll if ((h->root.u.def.section->flags & SEC_ALLOC) != 0 && h->size != 0)
2094 1.1 skrll {
2095 1.1 skrll srel->size += SPARC_ELF_RELA_BYTES (htab);
2096 1.7 christos h->needs_copy = 1;
2097 1.1 skrll }
2098 1.1 skrll
2099 1.1 skrll return _bfd_elf_adjust_dynamic_copy (info, h, s);
2100 1.1 skrll }
2101 1.1 skrll
2102 1.1 skrll /* Allocate space in .plt, .got and associated reloc sections for
2103 1.6 christos dynamic relocs. */
2104 1.1 skrll
2105 1.1 skrll static bfd_boolean
2106 1.1 skrll allocate_dynrelocs (struct elf_link_hash_entry *h, void * inf)
2107 1.1 skrll {
2108 1.13 christos struct bfd_link_info *info;
2109 1.13 christos struct _bfd_sparc_elf_link_hash_table *htab;
2110 1.1 skrll struct _bfd_sparc_elf_link_hash_entry *eh;
2111 1.1 skrll struct elf_dyn_relocs *p;
2112 1.1 skrll bfd_boolean resolved_to_zero;
2113 1.1 skrll
2114 1.1 skrll if (h->root.type == bfd_link_hash_indirect)
2115 1.1 skrll return TRUE;
2116 1.3 christos
2117 1.1 skrll info = (struct bfd_link_info *) inf;
2118 1.13 christos htab = _bfd_sparc_elf_hash_table (info);
2119 1.13 christos BFD_ASSERT (htab != NULL);
2120 1.13 christos
2121 1.3 christos eh = (struct _bfd_sparc_elf_link_hash_entry *) h;
2122 1.3 christos resolved_to_zero = UNDEFINED_WEAK_RESOLVED_TO_ZERO (info, eh);
2123 1.3 christos
2124 1.3 christos if ((htab->elf.dynamic_sections_created
2125 1.3 christos && h->plt.refcount > 0)
2126 1.1 skrll || (h->type == STT_GNU_IFUNC
2127 1.1 skrll && h->def_regular
2128 1.1 skrll && h->ref_regular))
2129 1.1 skrll {
2130 1.13 christos /* Make sure this symbol is output as a dynamic symbol.
2131 1.13 christos Undefined weak syms won't yet be marked as dynamic. */
2132 1.13 christos if (h->dynindx == -1
2133 1.1 skrll && !h->forced_local
2134 1.1 skrll && !resolved_to_zero
2135 1.1 skrll && h->root.type == bfd_link_hash_undefweak)
2136 1.1 skrll {
2137 1.1 skrll if (! bfd_elf_link_record_dynamic_symbol (info, h))
2138 1.7 christos return FALSE;
2139 1.3 christos }
2140 1.3 christos
2141 1.1 skrll if (WILL_CALL_FINISH_DYNAMIC_SYMBOL (1, bfd_link_pic (info), h)
2142 1.3 christos || (h->type == STT_GNU_IFUNC
2143 1.3 christos && h->def_regular))
2144 1.3 christos {
2145 1.3 christos asection *s = htab->elf.splt;
2146 1.1 skrll
2147 1.1 skrll if (s == NULL)
2148 1.1 skrll s = htab->elf.iplt;
2149 1.1 skrll
2150 1.1 skrll /* Allocate room for the header. */
2151 1.1 skrll if (s->size == 0)
2152 1.1 skrll {
2153 1.7 christos s->size = htab->plt_header_size;
2154 1.1 skrll
2155 1.1 skrll /* Allocate space for the .rela.plt.unloaded relocations. */
2156 1.1 skrll if (htab->is_vxworks && !bfd_link_pic (info))
2157 1.1 skrll htab->srelplt2->size = sizeof (Elf32_External_Rela) * 2;
2158 1.1 skrll }
2159 1.1 skrll
2160 1.1 skrll /* The procedure linkage table size is bounded by the magnitude
2161 1.1 skrll of the offset we can describe in the entry. */
2162 1.1 skrll if (s->size >= (SPARC_ELF_WORD_BYTES(htab) == 8 ?
2163 1.1 skrll (((bfd_vma)1 << 31) << 1) : 0x400000))
2164 1.1 skrll {
2165 1.1 skrll bfd_set_error (bfd_error_bad_value);
2166 1.1 skrll return FALSE;
2167 1.1 skrll }
2168 1.1 skrll
2169 1.1 skrll if (SPARC_ELF_WORD_BYTES(htab) == 8
2170 1.1 skrll && s->size >= PLT64_LARGE_THRESHOLD * PLT64_ENTRY_SIZE)
2171 1.1 skrll {
2172 1.1 skrll bfd_vma off = s->size - PLT64_LARGE_THRESHOLD * PLT64_ENTRY_SIZE;
2173 1.1 skrll
2174 1.1 skrll
2175 1.1 skrll off = (off % (160 * PLT64_ENTRY_SIZE)) / PLT64_ENTRY_SIZE;
2176 1.1 skrll
2177 1.1 skrll h->plt.offset = (s->size - (off * 8));
2178 1.1 skrll }
2179 1.1 skrll else
2180 1.1 skrll h->plt.offset = s->size;
2181 1.1 skrll
2182 1.1 skrll /* If this symbol is not defined in a regular file, and we are
2183 1.1 skrll not generating a shared library, then set the symbol to this
2184 1.7 christos location in the .plt. This is required to make function
2185 1.1 skrll pointers compare as equal between the normal executable and
2186 1.1 skrll the shared library. */
2187 1.1 skrll if (! bfd_link_pic (info)
2188 1.1 skrll && !h->def_regular)
2189 1.1 skrll {
2190 1.1 skrll h->root.u.def.section = s;
2191 1.1 skrll h->root.u.def.value = h->plt.offset;
2192 1.1 skrll }
2193 1.1 skrll
2194 1.13 christos /* Make room for this entry. */
2195 1.13 christos s->size += htab->plt_entry_size;
2196 1.13 christos
2197 1.13 christos /* There should be no PLT relocations against resolved undefined
2198 1.13 christos weak symbols in the executable. */
2199 1.13 christos if (!resolved_to_zero)
2200 1.13 christos {
2201 1.13 christos /* We also need to make an entry in the .rela.plt section. */
2202 1.13 christos if (s == htab->elf.splt)
2203 1.13 christos htab->elf.srelplt->size += SPARC_ELF_RELA_BYTES (htab);
2204 1.1 skrll else
2205 1.1 skrll htab->elf.irelplt->size += SPARC_ELF_RELA_BYTES (htab);
2206 1.1 skrll }
2207 1.1 skrll
2208 1.3 christos if (htab->is_vxworks)
2209 1.1 skrll {
2210 1.1 skrll /* Allocate space for the .got.plt entry. */
2211 1.7 christos htab->elf.sgotplt->size += 4;
2212 1.1 skrll
2213 1.1 skrll /* ...and for the .rela.plt.unloaded relocations. */
2214 1.1 skrll if (!bfd_link_pic (info))
2215 1.1 skrll htab->srelplt2->size += sizeof (Elf32_External_Rela) * 3;
2216 1.1 skrll }
2217 1.1 skrll }
2218 1.1 skrll else
2219 1.1 skrll {
2220 1.1 skrll h->plt.offset = (bfd_vma) -1;
2221 1.1 skrll h->needs_plt = 0;
2222 1.1 skrll }
2223 1.1 skrll }
2224 1.1 skrll else
2225 1.1 skrll {
2226 1.1 skrll h->plt.offset = (bfd_vma) -1;
2227 1.1 skrll h->needs_plt = 0;
2228 1.1 skrll }
2229 1.1 skrll
2230 1.12 joerg /* If R_SPARC_TLS_IE_{HI22,LO10} symbol is now local to the binary,
2231 1.1 skrll make it a R_SPARC_TLS_LE_{HI22,LO10} requiring no TLS entry. */
2232 1.1 skrll if (h->got.refcount > 0
2233 1.1 skrll && !bfd_link_dll (info)
2234 1.1 skrll && h->dynindx == -1
2235 1.1 skrll && _bfd_sparc_elf_hash_entry(h)->tls_type == GOT_TLS_IE)
2236 1.1 skrll h->got.offset = (bfd_vma) -1;
2237 1.1 skrll else if (h->got.refcount > 0)
2238 1.1 skrll {
2239 1.1 skrll asection *s;
2240 1.1 skrll bfd_boolean dyn;
2241 1.1 skrll int tls_type = _bfd_sparc_elf_hash_entry(h)->tls_type;
2242 1.1 skrll
2243 1.13 christos /* Make sure this symbol is output as a dynamic symbol.
2244 1.13 christos Undefined weak syms won't yet be marked as dynamic. */
2245 1.13 christos if (h->dynindx == -1
2246 1.1 skrll && !h->forced_local
2247 1.1 skrll && !resolved_to_zero
2248 1.1 skrll && h->root.type == bfd_link_hash_undefweak)
2249 1.1 skrll {
2250 1.1 skrll if (! bfd_elf_link_record_dynamic_symbol (info, h))
2251 1.3 christos return FALSE;
2252 1.1 skrll }
2253 1.1 skrll
2254 1.1 skrll s = htab->elf.sgot;
2255 1.1 skrll h->got.offset = s->size;
2256 1.1 skrll s->size += SPARC_ELF_WORD_BYTES (htab);
2257 1.1 skrll /* R_SPARC_TLS_GD_HI{22,LO10} needs 2 consecutive GOT slots. */
2258 1.1 skrll if (tls_type == GOT_TLS_GD)
2259 1.1 skrll s->size += SPARC_ELF_WORD_BYTES (htab);
2260 1.13 christos dyn = htab->elf.dynamic_sections_created;
2261 1.13 christos /* R_SPARC_TLS_IE_{HI22,LO10} needs one dynamic relocation,
2262 1.1 skrll R_SPARC_TLS_GD_{HI22,LO10} needs one if local symbol and two if
2263 1.3 christos global. No dynamic relocations are needed against resolved
2264 1.3 christos undefined weak symbols in an executable. */
2265 1.3 christos if ((tls_type == GOT_TLS_GD && h->dynindx == -1)
2266 1.1 skrll || tls_type == GOT_TLS_IE
2267 1.3 christos || h->type == STT_GNU_IFUNC)
2268 1.13 christos htab->elf.srelgot->size += SPARC_ELF_RELA_BYTES (htab);
2269 1.13 christos else if (tls_type == GOT_TLS_GD)
2270 1.13 christos htab->elf.srelgot->size += 2 * SPARC_ELF_RELA_BYTES (htab);
2271 1.13 christos else if (((ELF_ST_VISIBILITY (h->other) == STV_DEFAULT
2272 1.13 christos && !resolved_to_zero)
2273 1.13 christos || h->root.type != bfd_link_hash_undefweak)
2274 1.3 christos && WILL_CALL_FINISH_DYNAMIC_SYMBOL (dyn,
2275 1.1 skrll bfd_link_pic (info),
2276 1.1 skrll h))
2277 1.1 skrll htab->elf.srelgot->size += SPARC_ELF_RELA_BYTES (htab);
2278 1.1 skrll }
2279 1.1 skrll else
2280 1.1 skrll h->got.offset = (bfd_vma) -1;
2281 1.1 skrll
2282 1.1 skrll if (eh->dyn_relocs == NULL)
2283 1.1 skrll return TRUE;
2284 1.1 skrll
2285 1.1 skrll /* In the shared -Bsymbolic case, discard space allocated for
2286 1.1 skrll dynamic pc-relative relocs against symbols which turn out to be
2287 1.1 skrll defined in regular objects. For the normal shared case, discard
2288 1.7 christos space for pc-relative relocs that have become local due to symbol
2289 1.1 skrll visibility changes. */
2290 1.3 christos
2291 1.1 skrll if (bfd_link_pic (info))
2292 1.13 christos {
2293 1.1 skrll if (SYMBOL_CALLS_LOCAL (info, h))
2294 1.1 skrll {
2295 1.1 skrll struct elf_dyn_relocs **pp;
2296 1.1 skrll
2297 1.1 skrll for (pp = &eh->dyn_relocs; (p = *pp) != NULL; )
2298 1.1 skrll {
2299 1.1 skrll p->count -= p->pc_count;
2300 1.1 skrll p->pc_count = 0;
2301 1.1 skrll if (p->count == 0)
2302 1.1 skrll *pp = p->next;
2303 1.1 skrll else
2304 1.1 skrll pp = &p->next;
2305 1.1 skrll }
2306 1.1 skrll }
2307 1.13 christos
2308 1.1 skrll if (htab->is_vxworks)
2309 1.1 skrll {
2310 1.1 skrll struct elf_dyn_relocs **pp;
2311 1.1 skrll
2312 1.1 skrll for (pp = &eh->dyn_relocs; (p = *pp) != NULL; )
2313 1.1 skrll {
2314 1.1 skrll if (strcmp (p->sec->output_section->name, ".tls_vars") == 0)
2315 1.1 skrll *pp = p->next;
2316 1.1 skrll else
2317 1.1 skrll pp = &p->next;
2318 1.1 skrll }
2319 1.13 christos }
2320 1.1 skrll
2321 1.1 skrll /* Also discard relocs on undefined weak syms with non-default
2322 1.1 skrll visibility or in PIE. */
2323 1.13 christos if (eh->dyn_relocs != NULL
2324 1.13 christos && h->root.type == bfd_link_hash_undefweak)
2325 1.13 christos {
2326 1.13 christos /* An undefined weak symbol is never
2327 1.13 christos bound locally in a shared library. */
2328 1.13 christos
2329 1.13 christos if (ELF_ST_VISIBILITY (h->other) != STV_DEFAULT
2330 1.13 christos || resolved_to_zero)
2331 1.13 christos {
2332 1.13 christos if (h->non_got_ref)
2333 1.13 christos {
2334 1.13 christos /* Keep dynamic non-GOT/non-PLT relocation so that we
2335 1.13 christos can branch to 0 without PLT. */
2336 1.13 christos struct elf_dyn_relocs **pp;
2337 1.13 christos
2338 1.13 christos for (pp = &eh->dyn_relocs; (p = *pp) != NULL;)
2339 1.13 christos if (p->pc_count == 0)
2340 1.13 christos *pp = p->next;
2341 1.13 christos else
2342 1.13 christos {
2343 1.13 christos /* Remove other relocations. */
2344 1.13 christos p->count = p->pc_count;
2345 1.13 christos pp = &p->next;
2346 1.13 christos }
2347 1.13 christos
2348 1.13 christos if (eh->dyn_relocs != NULL)
2349 1.13 christos {
2350 1.13 christos /* Make sure undefined weak symbols are output
2351 1.13 christos as dynamic symbols in PIEs for dynamic non-GOT
2352 1.13 christos non-PLT reloations. */
2353 1.13 christos if (! bfd_elf_link_record_dynamic_symbol (info, h))
2354 1.13 christos return FALSE;
2355 1.13 christos }
2356 1.13 christos }
2357 1.1 skrll else
2358 1.1 skrll eh->dyn_relocs = NULL;
2359 1.1 skrll }
2360 1.1 skrll
2361 1.1 skrll /* Make sure undefined weak symbols are output as a dynamic
2362 1.1 skrll symbol in PIEs. */
2363 1.1 skrll else if (h->dynindx == -1
2364 1.1 skrll && !h->forced_local)
2365 1.1 skrll {
2366 1.1 skrll if (! bfd_elf_link_record_dynamic_symbol (info, h))
2367 1.1 skrll return FALSE;
2368 1.1 skrll }
2369 1.1 skrll }
2370 1.1 skrll }
2371 1.1 skrll else
2372 1.1 skrll {
2373 1.1 skrll /* For the non-shared case, discard space for relocs against
2374 1.13 christos symbols which turn out to need copy relocs or are not
2375 1.13 christos dynamic. */
2376 1.13 christos
2377 1.1 skrll if ((!h->non_got_ref
2378 1.1 skrll || (h->root.type == bfd_link_hash_undefweak
2379 1.1 skrll && !resolved_to_zero))
2380 1.1 skrll && ((h->def_dynamic
2381 1.1 skrll && !h->def_regular)
2382 1.1 skrll || (htab->elf.dynamic_sections_created
2383 1.1 skrll && (h->root.type == bfd_link_hash_undefweak
2384 1.1 skrll || h->root.type == bfd_link_hash_undefined))))
2385 1.1 skrll {
2386 1.13 christos /* Make sure this symbol is output as a dynamic symbol.
2387 1.13 christos Undefined weak syms won't yet be marked as dynamic. */
2388 1.13 christos if (h->dynindx == -1
2389 1.1 skrll && !h->forced_local
2390 1.1 skrll && !resolved_to_zero
2391 1.1 skrll && h->root.type == bfd_link_hash_undefweak)
2392 1.1 skrll {
2393 1.1 skrll if (! bfd_elf_link_record_dynamic_symbol (info, h))
2394 1.1 skrll return FALSE;
2395 1.1 skrll }
2396 1.1 skrll
2397 1.1 skrll /* If that succeeded, we know we'll be keeping all the
2398 1.1 skrll relocs. */
2399 1.1 skrll if (h->dynindx != -1)
2400 1.1 skrll goto keep;
2401 1.1 skrll }
2402 1.1 skrll
2403 1.1 skrll eh->dyn_relocs = NULL;
2404 1.1 skrll
2405 1.1 skrll keep: ;
2406 1.1 skrll }
2407 1.1 skrll
2408 1.1 skrll /* Finally, allocate space. */
2409 1.1 skrll for (p = eh->dyn_relocs; p != NULL; p = p->next)
2410 1.1 skrll {
2411 1.1 skrll asection *sreloc = elf_section_data (p->sec)->sreloc;
2412 1.1 skrll sreloc->size += p->count * SPARC_ELF_RELA_BYTES (htab);
2413 1.1 skrll }
2414 1.1 skrll
2415 1.3 christos return TRUE;
2416 1.3 christos }
2417 1.3 christos
2418 1.3 christos /* Allocate space in .plt, .got and associated reloc sections for
2419 1.3 christos local dynamic relocs. */
2420 1.3 christos
2421 1.3 christos static bfd_boolean
2422 1.3 christos allocate_local_dynrelocs (void **slot, void *inf)
2423 1.3 christos {
2424 1.3 christos struct elf_link_hash_entry *h
2425 1.3 christos = (struct elf_link_hash_entry *) *slot;
2426 1.3 christos
2427 1.3 christos if (h->type != STT_GNU_IFUNC
2428 1.3 christos || !h->def_regular
2429 1.3 christos || !h->ref_regular
2430 1.3 christos || !h->forced_local
2431 1.3 christos || h->root.type != bfd_link_hash_defined)
2432 1.3 christos abort ();
2433 1.3 christos
2434 1.13 christos return allocate_dynrelocs (h, inf);
2435 1.13 christos }
2436 1.1 skrll
2437 1.1 skrll /* Set DF_TEXTREL if we find any dynamic relocs that apply to
2438 1.13 christos read-only sections. */
2439 1.1 skrll
2440 1.13 christos static bfd_boolean
2441 1.13 christos maybe_set_textrel (struct elf_link_hash_entry *h, void *info_p)
2442 1.13 christos {
2443 1.13 christos asection *sec;
2444 1.1 skrll
2445 1.13 christos if (h->root.type == bfd_link_hash_indirect)
2446 1.13 christos return TRUE;
2447 1.1 skrll
2448 1.13 christos sec = readonly_dynrelocs (h);
2449 1.1 skrll if (sec != NULL)
2450 1.13 christos {
2451 1.13 christos struct bfd_link_info *info = (struct bfd_link_info *) info_p;
2452 1.13 christos
2453 1.13 christos info->flags |= DF_TEXTREL;
2454 1.1 skrll info->callbacks->minfo
2455 1.13 christos (_("%B: dynamic relocation against `%T' in read-only section `%A'\n"),
2456 1.13 christos sec->owner, h->root.root.string, sec);
2457 1.1 skrll
2458 1.1 skrll /* Not an error, just cut short the traversal. */
2459 1.1 skrll return FALSE;
2460 1.1 skrll }
2461 1.1 skrll return TRUE;
2462 1.1 skrll }
2463 1.1 skrll
2464 1.1 skrll /* Return true if the dynamic symbol for a given section should be
2465 1.1 skrll omitted when creating a shared library. */
2466 1.1 skrll
2467 1.1 skrll bfd_boolean
2468 1.1 skrll _bfd_sparc_elf_omit_section_dynsym (bfd *output_bfd,
2469 1.1 skrll struct bfd_link_info *info,
2470 1.1 skrll asection *p)
2471 1.1 skrll {
2472 1.1 skrll /* We keep the .got section symbol so that explicit relocations
2473 1.1 skrll against the _GLOBAL_OFFSET_TABLE_ symbol emitted in PIC mode
2474 1.1 skrll can be turned into relocations against the .got symbol. */
2475 1.1 skrll if (strcmp (p->name, ".got") == 0)
2476 1.1 skrll return FALSE;
2477 1.1 skrll
2478 1.1 skrll return _bfd_elf_link_omit_section_dynsym (output_bfd, info, p);
2479 1.1 skrll }
2480 1.1 skrll
2481 1.1 skrll /* Set the sizes of the dynamic sections. */
2482 1.1 skrll
2483 1.1 skrll bfd_boolean
2484 1.1 skrll _bfd_sparc_elf_size_dynamic_sections (bfd *output_bfd,
2485 1.1 skrll struct bfd_link_info *info)
2486 1.1 skrll {
2487 1.1 skrll struct _bfd_sparc_elf_link_hash_table *htab;
2488 1.1 skrll bfd *dynobj;
2489 1.1 skrll asection *s;
2490 1.3 christos bfd *ibfd;
2491 1.1 skrll
2492 1.1 skrll htab = _bfd_sparc_elf_hash_table (info);
2493 1.1 skrll BFD_ASSERT (htab != NULL);
2494 1.1 skrll dynobj = htab->elf.dynobj;
2495 1.1 skrll BFD_ASSERT (dynobj != NULL);
2496 1.1 skrll
2497 1.7 christos if (elf_hash_table (info)->dynamic_sections_created)
2498 1.1 skrll {
2499 1.6 christos /* Set the contents of the .interp section to the interpreter. */
2500 1.1 skrll if (bfd_link_executable (info) && !info->nointerp)
2501 1.1 skrll {
2502 1.1 skrll s = bfd_get_linker_section (dynobj, ".interp");
2503 1.13 christos BFD_ASSERT (s != NULL);
2504 1.1 skrll s->size = htab->dynamic_interpreter_size;
2505 1.1 skrll s->contents = (unsigned char *) htab->dynamic_interpreter;
2506 1.1 skrll htab->interp = s;
2507 1.1 skrll }
2508 1.1 skrll }
2509 1.7 christos
2510 1.1 skrll /* Set up .got offsets for local syms, and space for local dynamic
2511 1.1 skrll relocs. */
2512 1.1 skrll for (ibfd = info->input_bfds; ibfd != NULL; ibfd = ibfd->link.next)
2513 1.1 skrll {
2514 1.1 skrll bfd_signed_vma *local_got;
2515 1.1 skrll bfd_signed_vma *end_local_got;
2516 1.1 skrll char *local_tls_type;
2517 1.1 skrll bfd_size_type locsymcount;
2518 1.1 skrll Elf_Internal_Shdr *symtab_hdr;
2519 1.1 skrll asection *srel;
2520 1.1 skrll
2521 1.1 skrll if (! is_sparc_elf (ibfd))
2522 1.1 skrll continue;
2523 1.13 christos
2524 1.1 skrll for (s = ibfd->sections; s != NULL; s = s->next)
2525 1.1 skrll {
2526 1.1 skrll struct elf_dyn_relocs *p;
2527 1.1 skrll
2528 1.1 skrll for (p = elf_section_data (s)->local_dynrel; p != NULL; p = p->next)
2529 1.1 skrll {
2530 1.1 skrll if (!bfd_is_abs_section (p->sec)
2531 1.1 skrll && bfd_is_abs_section (p->sec->output_section))
2532 1.1 skrll {
2533 1.1 skrll /* Input section has been discarded, either because
2534 1.1 skrll it is a copy of a linkonce section or due to
2535 1.1 skrll linker script /DISCARD/, so we'll be discarding
2536 1.1 skrll the relocs too. */
2537 1.1 skrll }
2538 1.1 skrll else if (htab->is_vxworks
2539 1.1 skrll && strcmp (p->sec->output_section->name,
2540 1.1 skrll ".tls_vars") == 0)
2541 1.1 skrll {
2542 1.1 skrll /* Relocations in vxworks .tls_vars sections are
2543 1.1 skrll handled specially by the loader. */
2544 1.1 skrll }
2545 1.3 christos else if (p->count != 0)
2546 1.3 christos {
2547 1.1 skrll srel = elf_section_data (p->sec)->sreloc;
2548 1.1 skrll if (!htab->elf.dynamic_sections_created)
2549 1.10 christos srel = htab->elf.irelplt;
2550 1.10 christos srel->size += p->count * SPARC_ELF_RELA_BYTES (htab);
2551 1.13 christos if ((p->sec->output_section->flags & SEC_READONLY) != 0)
2552 1.13 christos {
2553 1.10 christos info->flags |= DF_TEXTREL;
2554 1.1 skrll info->callbacks->minfo (_("%B: dynamic relocation in read-only section `%A'\n"),
2555 1.1 skrll p->sec->owner, p->sec);
2556 1.1 skrll }
2557 1.1 skrll }
2558 1.1 skrll }
2559 1.1 skrll }
2560 1.1 skrll
2561 1.1 skrll local_got = elf_local_got_refcounts (ibfd);
2562 1.1 skrll if (!local_got)
2563 1.1 skrll continue;
2564 1.1 skrll
2565 1.1 skrll symtab_hdr = &elf_symtab_hdr (ibfd);
2566 1.3 christos locsymcount = symtab_hdr->sh_info;
2567 1.3 christos end_local_got = local_got + locsymcount;
2568 1.1 skrll local_tls_type = _bfd_sparc_elf_local_got_tls_type (ibfd);
2569 1.1 skrll s = htab->elf.sgot;
2570 1.1 skrll srel = htab->elf.srelgot;
2571 1.1 skrll for (; local_got < end_local_got; ++local_got, ++local_tls_type)
2572 1.1 skrll {
2573 1.1 skrll if (*local_got > 0)
2574 1.1 skrll {
2575 1.1 skrll *local_got = s->size;
2576 1.7 christos s->size += SPARC_ELF_WORD_BYTES (htab);
2577 1.1 skrll if (*local_tls_type == GOT_TLS_GD)
2578 1.1 skrll s->size += SPARC_ELF_WORD_BYTES (htab);
2579 1.1 skrll if (bfd_link_pic (info)
2580 1.1 skrll || *local_tls_type == GOT_TLS_GD
2581 1.1 skrll || *local_tls_type == GOT_TLS_IE)
2582 1.1 skrll srel->size += SPARC_ELF_RELA_BYTES (htab);
2583 1.1 skrll }
2584 1.1 skrll else
2585 1.1 skrll *local_got = (bfd_vma) -1;
2586 1.1 skrll }
2587 1.1 skrll }
2588 1.1 skrll
2589 1.1 skrll if (htab->tls_ldm_got.refcount > 0)
2590 1.3 christos {
2591 1.3 christos /* Allocate 2 got entries and 1 dynamic reloc for
2592 1.3 christos R_SPARC_TLS_LDM_{HI22,LO10} relocs. */
2593 1.1 skrll htab->tls_ldm_got.offset = htab->elf.sgot->size;
2594 1.1 skrll htab->elf.sgot->size += (2 * SPARC_ELF_WORD_BYTES (htab));
2595 1.1 skrll htab->elf.srelgot->size += SPARC_ELF_RELA_BYTES (htab);
2596 1.1 skrll }
2597 1.1 skrll else
2598 1.1 skrll htab->tls_ldm_got.offset = -1;
2599 1.6 christos
2600 1.1 skrll /* Allocate global sym .plt and .got entries, and space for global
2601 1.3 christos sym dynamic relocs. */
2602 1.3 christos elf_link_hash_traverse (&htab->elf, allocate_dynrelocs, info);
2603 1.3 christos
2604 1.1 skrll /* Allocate .plt and .got entries, and space for local symbols. */
2605 1.1 skrll htab_traverse (htab->loc_hash_table, allocate_local_dynrelocs, info);
2606 1.1 skrll
2607 1.1 skrll if (! ABI_64_P (output_bfd)
2608 1.1 skrll && !htab->is_vxworks
2609 1.3 christos && elf_hash_table (info)->dynamic_sections_created)
2610 1.3 christos {
2611 1.1 skrll /* Make space for the trailing nop in .plt. */
2612 1.1 skrll if (htab->elf.splt->size > 0)
2613 1.1 skrll htab->elf.splt->size += 1 * SPARC_INSN_BYTES;
2614 1.1 skrll
2615 1.1 skrll /* If the .got section is more than 0x1000 bytes, we add
2616 1.1 skrll 0x1000 to the value of _GLOBAL_OFFSET_TABLE_, so that 13
2617 1.3 christos bit relocations have a greater chance of working.
2618 1.1 skrll
2619 1.1 skrll FIXME: Make this optimization work for 64-bit too. */
2620 1.1 skrll if (htab->elf.sgot->size >= 0x1000
2621 1.1 skrll && elf_hash_table (info)->hgot->root.u.def.value == 0)
2622 1.1 skrll elf_hash_table (info)->hgot->root.u.def.value = 0x1000;
2623 1.1 skrll }
2624 1.1 skrll
2625 1.1 skrll /* The check_relocs and adjust_dynamic_symbol entry points have
2626 1.1 skrll determined the sizes of the various dynamic sections. Allocate
2627 1.1 skrll memory for them. */
2628 1.1 skrll for (s = dynobj->sections; s != NULL; s = s->next)
2629 1.1 skrll {
2630 1.3 christos if ((s->flags & SEC_LINKER_CREATED) == 0)
2631 1.3 christos continue;
2632 1.13 christos
2633 1.13 christos if (s == htab->elf.splt
2634 1.3 christos || s == htab->elf.sgot
2635 1.3 christos || s == htab->elf.sdynbss
2636 1.1 skrll || s == htab->elf.sdynrelro
2637 1.1 skrll || s == htab->elf.iplt
2638 1.1 skrll || s == htab->elf.sgotplt)
2639 1.1 skrll {
2640 1.1 skrll /* Strip this section if we don't need it; see the
2641 1.1 skrll comment below. */
2642 1.1 skrll }
2643 1.1 skrll else if (CONST_STRNEQ (s->name, ".rela"))
2644 1.1 skrll {
2645 1.1 skrll if (s->size != 0)
2646 1.1 skrll {
2647 1.1 skrll /* We use the reloc_count field as a counter if we need
2648 1.1 skrll to copy relocs into the output file. */
2649 1.1 skrll s->reloc_count = 0;
2650 1.1 skrll }
2651 1.1 skrll }
2652 1.1 skrll else
2653 1.1 skrll {
2654 1.1 skrll /* It's not one of our sections. */
2655 1.1 skrll continue;
2656 1.1 skrll }
2657 1.1 skrll
2658 1.1 skrll if (s->size == 0)
2659 1.1 skrll {
2660 1.1 skrll /* If we don't need this section, strip it from the
2661 1.1 skrll output file. This is mostly to handle .rela.bss and
2662 1.1 skrll .rela.plt. We must create both sections in
2663 1.1 skrll create_dynamic_sections, because they must be created
2664 1.1 skrll before the linker maps input sections to output
2665 1.1 skrll sections. The linker does that before
2666 1.1 skrll adjust_dynamic_symbol is called, and it is that
2667 1.1 skrll function which decides whether anything needs to go
2668 1.1 skrll into these sections. */
2669 1.1 skrll s->flags |= SEC_EXCLUDE;
2670 1.1 skrll continue;
2671 1.1 skrll }
2672 1.1 skrll
2673 1.1 skrll if ((s->flags & SEC_HAS_CONTENTS) == 0)
2674 1.1 skrll continue;
2675 1.1 skrll
2676 1.1 skrll /* Allocate memory for the section contents. Zero the memory
2677 1.1 skrll for the benefit of .rela.plt, which has 4 unused entries
2678 1.1 skrll at the beginning, and we don't want garbage. */
2679 1.1 skrll s->contents = (bfd_byte *) bfd_zalloc (dynobj, s->size);
2680 1.1 skrll if (s->contents == NULL)
2681 1.1 skrll return FALSE;
2682 1.1 skrll }
2683 1.1 skrll
2684 1.1 skrll if (elf_hash_table (info)->dynamic_sections_created)
2685 1.1 skrll {
2686 1.1 skrll /* Add some entries to the .dynamic section. We fill in the
2687 1.1 skrll values later, in _bfd_sparc_elf_finish_dynamic_sections, but we
2688 1.1 skrll must add the entries now so that we get the correct size for
2689 1.1 skrll the .dynamic section. The DT_DEBUG entry is filled in by the
2690 1.1 skrll dynamic linker and used by the debugger. */
2691 1.7 christos #define add_dynamic_entry(TAG, VAL) \
2692 1.1 skrll _bfd_elf_add_dynamic_entry (info, TAG, VAL)
2693 1.1 skrll
2694 1.1 skrll if (bfd_link_executable (info))
2695 1.1 skrll {
2696 1.1 skrll if (!add_dynamic_entry (DT_DEBUG, 0))
2697 1.3 christos return FALSE;
2698 1.1 skrll }
2699 1.1 skrll
2700 1.1 skrll if (htab->elf.srelplt->size != 0)
2701 1.1 skrll {
2702 1.1 skrll if (!add_dynamic_entry (DT_PLTGOT, 0)
2703 1.1 skrll || !add_dynamic_entry (DT_PLTRELSZ, 0)
2704 1.1 skrll || !add_dynamic_entry (DT_PLTREL, DT_RELA)
2705 1.1 skrll || !add_dynamic_entry (DT_JMPREL, 0))
2706 1.1 skrll return FALSE;
2707 1.1 skrll }
2708 1.1 skrll
2709 1.1 skrll if (!add_dynamic_entry (DT_RELA, 0)
2710 1.1 skrll || !add_dynamic_entry (DT_RELASZ, 0)
2711 1.1 skrll || !add_dynamic_entry (DT_RELAENT,
2712 1.1 skrll SPARC_ELF_RELA_BYTES (htab)))
2713 1.1 skrll return FALSE;
2714 1.1 skrll
2715 1.13 christos /* If any dynamic relocs apply to a read-only section,
2716 1.1 skrll then we need a DT_TEXTREL entry. */
2717 1.1 skrll if ((info->flags & DF_TEXTREL) == 0)
2718 1.1 skrll elf_link_hash_traverse (&htab->elf, maybe_set_textrel, info);
2719 1.1 skrll
2720 1.1 skrll if (info->flags & DF_TEXTREL)
2721 1.1 skrll {
2722 1.1 skrll if (!add_dynamic_entry (DT_TEXTREL, 0))
2723 1.1 skrll return FALSE;
2724 1.1 skrll }
2725 1.1 skrll
2726 1.1 skrll if (ABI_64_P (output_bfd))
2727 1.1 skrll {
2728 1.1 skrll int reg;
2729 1.1 skrll struct _bfd_sparc_elf_app_reg * app_regs;
2730 1.1 skrll struct elf_strtab_hash *dynstr;
2731 1.1 skrll struct elf_link_hash_table *eht = elf_hash_table (info);
2732 1.1 skrll
2733 1.1 skrll /* Add dynamic STT_REGISTER symbols and corresponding DT_SPARC_REGISTER
2734 1.1 skrll entries if needed. */
2735 1.1 skrll app_regs = _bfd_sparc_elf_hash_table (info)->app_regs;
2736 1.1 skrll dynstr = eht->dynstr;
2737 1.1 skrll
2738 1.1 skrll for (reg = 0; reg < 4; reg++)
2739 1.1 skrll if (app_regs [reg].name != NULL)
2740 1.1 skrll {
2741 1.1 skrll struct elf_link_local_dynamic_entry *entry, *e;
2742 1.1 skrll
2743 1.1 skrll if (!add_dynamic_entry (DT_SPARC_REGISTER, 0))
2744 1.1 skrll return FALSE;
2745 1.1 skrll
2746 1.1 skrll entry = (struct elf_link_local_dynamic_entry *)
2747 1.1 skrll bfd_hash_allocate (&info->hash->table, sizeof (*entry));
2748 1.1 skrll if (entry == NULL)
2749 1.1 skrll return FALSE;
2750 1.1 skrll
2751 1.1 skrll /* We cheat here a little bit: the symbol will not be local, so we
2752 1.1 skrll put it at the end of the dynlocal linked list. We will fix it
2753 1.1 skrll later on, as we have to fix other fields anyway. */
2754 1.1 skrll entry->isym.st_value = reg < 2 ? reg + 2 : reg + 4;
2755 1.1 skrll entry->isym.st_size = 0;
2756 1.1 skrll if (*app_regs [reg].name != '\0')
2757 1.1 skrll entry->isym.st_name
2758 1.1 skrll = _bfd_elf_strtab_add (dynstr, app_regs[reg].name, FALSE);
2759 1.1 skrll else
2760 1.1 skrll entry->isym.st_name = 0;
2761 1.1 skrll entry->isym.st_other = 0;
2762 1.6 christos entry->isym.st_info = ELF_ST_INFO (app_regs [reg].bind,
2763 1.1 skrll STT_REGISTER);
2764 1.1 skrll entry->isym.st_shndx = app_regs [reg].shndx;
2765 1.1 skrll entry->isym.st_target_internal = 0;
2766 1.1 skrll entry->next = NULL;
2767 1.1 skrll entry->input_bfd = output_bfd;
2768 1.1 skrll entry->input_indx = -1;
2769 1.1 skrll
2770 1.1 skrll if (eht->dynlocal == NULL)
2771 1.1 skrll eht->dynlocal = entry;
2772 1.1 skrll else
2773 1.1 skrll {
2774 1.1 skrll for (e = eht->dynlocal; e->next; e = e->next)
2775 1.1 skrll ;
2776 1.1 skrll e->next = entry;
2777 1.1 skrll }
2778 1.1 skrll eht->dynsymcount++;
2779 1.1 skrll }
2780 1.1 skrll }
2781 1.1 skrll if (htab->is_vxworks
2782 1.1 skrll && !elf_vxworks_add_dynamic_entries (output_bfd, info))
2783 1.1 skrll return FALSE;
2784 1.1 skrll }
2785 1.1 skrll #undef add_dynamic_entry
2786 1.1 skrll
2787 1.1 skrll return TRUE;
2788 1.1 skrll }
2789 1.1 skrll
2790 1.1 skrll bfd_boolean
2792 1.1 skrll _bfd_sparc_elf_new_section_hook (bfd *abfd, asection *sec)
2793 1.1 skrll {
2794 1.1 skrll if (!sec->used_by_bfd)
2795 1.1 skrll {
2796 1.1 skrll struct _bfd_sparc_elf_section_data *sdata;
2797 1.1 skrll bfd_size_type amt = sizeof (*sdata);
2798 1.1 skrll
2799 1.1 skrll sdata = bfd_zalloc (abfd, amt);
2800 1.1 skrll if (sdata == NULL)
2801 1.1 skrll return FALSE;
2802 1.1 skrll sec->used_by_bfd = sdata;
2803 1.1 skrll }
2804 1.1 skrll
2805 1.1 skrll return _bfd_elf_new_section_hook (abfd, sec);
2806 1.1 skrll }
2807 1.1 skrll
2808 1.1 skrll bfd_boolean
2809 1.1 skrll _bfd_sparc_elf_relax_section (bfd *abfd ATTRIBUTE_UNUSED,
2810 1.7 christos struct bfd_section *section,
2811 1.3 christos struct bfd_link_info *link_info ATTRIBUTE_UNUSED,
2812 1.3 christos bfd_boolean *again)
2813 1.3 christos {
2814 1.1 skrll if (bfd_link_relocatable (link_info))
2815 1.1 skrll (*link_info->callbacks->einfo)
2816 1.1 skrll (_("%P%F: --relax and -r may not be used together\n"));
2817 1.1 skrll
2818 1.1 skrll *again = FALSE;
2819 1.1 skrll sec_do_relax (section) = 1;
2820 1.1 skrll return TRUE;
2821 1.1 skrll }
2822 1.1 skrll
2823 1.1 skrll /* Return the base VMA address which should be subtracted from real addresses
2825 1.1 skrll when resolving @dtpoff relocation.
2826 1.1 skrll This is PT_TLS segment p_vaddr. */
2827 1.1 skrll
2828 1.1 skrll static bfd_vma
2829 1.1 skrll dtpoff_base (struct bfd_link_info *info)
2830 1.1 skrll {
2831 1.1 skrll /* If tls_sec is NULL, we should have signalled an error already. */
2832 1.1 skrll if (elf_hash_table (info)->tls_sec == NULL)
2833 1.1 skrll return 0;
2834 1.1 skrll return elf_hash_table (info)->tls_sec->vma;
2835 1.1 skrll }
2836 1.1 skrll
2837 1.1 skrll /* Return the relocation value for @tpoff relocation
2838 1.1 skrll if STT_TLS virtual address is ADDRESS. */
2839 1.3 christos
2840 1.3 christos static bfd_vma
2841 1.1 skrll tpoff (struct bfd_link_info *info, bfd_vma address)
2842 1.1 skrll {
2843 1.1 skrll struct elf_link_hash_table *htab = elf_hash_table (info);
2844 1.1 skrll const struct elf_backend_data *bed = get_elf_backend_data (info->output_bfd);
2845 1.3 christos bfd_vma static_tls_size;
2846 1.3 christos
2847 1.3 christos /* If tls_sec is NULL, we should have signalled an error already. */
2848 1.3 christos if (htab->tls_sec == NULL)
2849 1.3 christos return 0;
2850 1.3 christos
2851 1.3 christos /* Consider special static TLS alignment requirements. */
2852 1.3 christos static_tls_size = BFD_ALIGN (htab->tls_size, bed->static_tls_alignment);
2853 1.3 christos return address - static_tls_size - htab->tls_sec->vma;
2854 1.3 christos }
2855 1.3 christos
2856 1.3 christos /* Return the relocation value for a %gdop relocation. */
2857 1.3 christos
2858 1.3 christos static bfd_vma
2859 1.3 christos gdopoff (struct bfd_link_info *info, bfd_vma address)
2860 1.3 christos {
2861 1.3 christos struct elf_link_hash_table *htab = elf_hash_table (info);
2862 1.3 christos bfd_vma got_base;
2863 1.3 christos
2864 1.1 skrll got_base = (htab->hgot->root.u.def.value
2865 1.1 skrll + htab->hgot->root.u.def.section->output_offset
2866 1.13 christos + htab->hgot->root.u.def.section->output_section->vma);
2867 1.13 christos
2868 1.13 christos return address - got_base;
2869 1.13 christos }
2870 1.13 christos
2871 1.13 christos /* Return whether H is local and its ADDRESS is within 4G of
2872 1.13 christos _GLOBAL_OFFSET_TABLE_ and thus the offset may be calculated by a
2873 1.13 christos sethi, xor sequence. */
2874 1.13 christos
2875 1.13 christos static bfd_boolean
2876 1.13 christos gdop_relative_offset_ok (struct bfd_link_info *info,
2877 1.13 christos struct elf_link_hash_entry *h,
2878 1.13 christos bfd_vma address ATTRIBUTE_UNUSED)
2879 1.13 christos {
2880 1.13 christos if (!SYMBOL_REFERENCES_LOCAL (info, h))
2881 1.13 christos return FALSE;
2882 1.13 christos /* If H is undefined, ADDRESS will be zero. We can't allow a
2883 1.13 christos relative offset to "zero" when producing PIEs or shared libs.
2884 1.13 christos Note that to get here with an undefined symbol it must also be
2885 1.13 christos hidden or internal visibility. */
2886 1.13 christos if (bfd_link_pic (info)
2887 1.13 christos && h != NULL
2888 1.13 christos && (h->root.type == bfd_link_hash_undefweak
2889 1.13 christos || h->root.type == bfd_link_hash_undefined))
2890 1.13 christos return FALSE;
2891 1.13 christos #ifdef BFD64
2892 1.13 christos return gdopoff (info, address) + ((bfd_vma) 1 << 32) < (bfd_vma) 2 << 32;
2893 1.1 skrll #else
2894 1.1 skrll return TRUE;
2895 1.1 skrll #endif
2896 1.1 skrll }
2897 1.1 skrll
2898 1.1 skrll /* Relocate a SPARC ELF section. */
2899 1.1 skrll
2900 1.1 skrll bfd_boolean
2901 1.1 skrll _bfd_sparc_elf_relocate_section (bfd *output_bfd,
2902 1.1 skrll struct bfd_link_info *info,
2903 1.1 skrll bfd *input_bfd,
2904 1.1 skrll asection *input_section,
2905 1.1 skrll bfd_byte *contents,
2906 1.1 skrll Elf_Internal_Rela *relocs,
2907 1.1 skrll Elf_Internal_Sym *local_syms,
2908 1.1 skrll asection **local_sections)
2909 1.1 skrll {
2910 1.1 skrll struct _bfd_sparc_elf_link_hash_table *htab;
2911 1.1 skrll Elf_Internal_Shdr *symtab_hdr;
2912 1.1 skrll struct elf_link_hash_entry **sym_hashes;
2913 1.1 skrll bfd_vma *local_got_offsets;
2914 1.1 skrll bfd_vma got_base;
2915 1.1 skrll asection *sreloc;
2916 1.1 skrll Elf_Internal_Rela *rel;
2917 1.3 christos Elf_Internal_Rela *relend;
2918 1.1 skrll int num_relocs;
2919 1.1 skrll bfd_boolean is_vxworks_tls;
2920 1.1 skrll
2921 1.1 skrll htab = _bfd_sparc_elf_hash_table (info);
2922 1.1 skrll BFD_ASSERT (htab != NULL);
2923 1.1 skrll symtab_hdr = &elf_symtab_hdr (input_bfd);
2924 1.1 skrll sym_hashes = elf_sym_hashes (input_bfd);
2925 1.1 skrll local_got_offsets = elf_local_got_offsets (input_bfd);
2926 1.1 skrll
2927 1.1 skrll if (elf_hash_table (info)->hgot == NULL)
2928 1.1 skrll got_base = 0;
2929 1.1 skrll else
2930 1.7 christos got_base = elf_hash_table (info)->hgot->root.u.def.value;
2931 1.1 skrll
2932 1.1 skrll sreloc = elf_section_data (input_section)->sreloc;
2933 1.1 skrll /* We have to handle relocations in vxworks .tls_vars sections
2934 1.1 skrll specially, because the dynamic loader is 'weird'. */
2935 1.1 skrll is_vxworks_tls = (htab->is_vxworks && bfd_link_pic (info)
2936 1.3 christos && !strcmp (input_section->output_section->name,
2937 1.1 skrll ".tls_vars"));
2938 1.1 skrll
2939 1.1 skrll rel = relocs;
2940 1.1 skrll if (ABI_64_P (output_bfd))
2941 1.1 skrll num_relocs = NUM_SHDR_ENTRIES (_bfd_elf_single_rel_hdr (input_section));
2942 1.1 skrll else
2943 1.1 skrll num_relocs = input_section->reloc_count;
2944 1.1 skrll relend = relocs + num_relocs;
2945 1.1 skrll for (; rel < relend; rel++)
2946 1.13 christos {
2947 1.1 skrll int r_type, tls_type;
2948 1.1 skrll reloc_howto_type *howto;
2949 1.1 skrll unsigned long r_symndx;
2950 1.1 skrll struct elf_link_hash_entry *h;
2951 1.1 skrll struct _bfd_sparc_elf_link_hash_entry *eh;
2952 1.1 skrll Elf_Internal_Sym *sym;
2953 1.13 christos asection *sec;
2954 1.13 christos bfd_vma relocation, off;
2955 1.1 skrll bfd_reloc_status_type r;
2956 1.1 skrll bfd_boolean is_plt = FALSE;
2957 1.1 skrll bfd_boolean unresolved_reloc;
2958 1.1 skrll bfd_boolean resolved_to_zero;
2959 1.1 skrll bfd_boolean relative_reloc;
2960 1.1 skrll
2961 1.1 skrll r_type = SPARC_ELF_R_TYPE (rel->r_info);
2962 1.1 skrll if (r_type == R_SPARC_GNU_VTINHERIT
2963 1.1 skrll || r_type == R_SPARC_GNU_VTENTRY)
2964 1.1 skrll continue;
2965 1.1 skrll
2966 1.1 skrll if (r_type < 0 || r_type >= (int) R_SPARC_max_std)
2967 1.1 skrll {
2968 1.1 skrll bfd_set_error (bfd_error_bad_value);
2969 1.1 skrll return FALSE;
2970 1.1 skrll }
2971 1.1 skrll howto = _bfd_sparc_elf_howto_table + r_type;
2972 1.1 skrll
2973 1.1 skrll r_symndx = SPARC_ELF_R_SYMNDX (htab, rel->r_info);
2974 1.1 skrll h = NULL;
2975 1.1 skrll sym = NULL;
2976 1.1 skrll sec = NULL;
2977 1.1 skrll unresolved_reloc = FALSE;
2978 1.3 christos if (r_symndx < symtab_hdr->sh_info)
2979 1.7 christos {
2980 1.3 christos sym = local_syms + r_symndx;
2981 1.3 christos sec = local_sections[r_symndx];
2982 1.3 christos relocation = _bfd_elf_rela_local_sym (output_bfd, sym, &sec, rel);
2983 1.3 christos
2984 1.3 christos if (!bfd_link_relocatable (info)
2985 1.3 christos && ELF_ST_TYPE (sym->st_info) == STT_GNU_IFUNC)
2986 1.3 christos {
2987 1.3 christos /* Relocate against local STT_GNU_IFUNC symbol. */
2988 1.7 christos h = elf_sparc_get_local_sym_hash (htab, input_bfd,
2989 1.3 christos rel, FALSE);
2990 1.3 christos if (h == NULL)
2991 1.3 christos abort ();
2992 1.1 skrll
2993 1.1 skrll /* Set STT_GNU_IFUNC symbol value. */
2994 1.1 skrll h->root.u.def.value = sym->st_value;
2995 1.7 christos h->root.u.def.section = sec;
2996 1.1 skrll }
2997 1.1 skrll }
2998 1.1 skrll else
2999 1.1 skrll {
3000 1.7 christos bfd_boolean warned, ignored;
3001 1.1 skrll
3002 1.1 skrll RELOC_FOR_GLOBAL_SYMBOL (info, input_bfd, input_section, rel,
3003 1.1 skrll r_symndx, symtab_hdr, sym_hashes,
3004 1.1 skrll h, sec, relocation,
3005 1.1 skrll unresolved_reloc, warned, ignored);
3006 1.1 skrll if (warned)
3007 1.1 skrll {
3008 1.1 skrll /* To avoid generating warning messages about truncated
3009 1.1 skrll relocations, set the relocation's address to be the same as
3010 1.1 skrll the start of this section. */
3011 1.1 skrll if (input_section->output_section != NULL)
3012 1.1 skrll relocation = input_section->output_section->vma;
3013 1.6 christos else
3014 1.3 christos relocation = 0;
3015 1.6 christos }
3016 1.1 skrll }
3017 1.7 christos
3018 1.1 skrll if (sec != NULL && discarded_section (sec))
3019 1.1 skrll RELOC_AGAINST_DISCARDED_SECTION (info, input_bfd, input_section,
3020 1.3 christos rel, 1, relend, howto, 0, contents);
3021 1.3 christos
3022 1.3 christos if (bfd_link_relocatable (info))
3023 1.3 christos continue;
3024 1.3 christos
3025 1.3 christos if (h != NULL
3026 1.3 christos && h->type == STT_GNU_IFUNC
3027 1.3 christos && h->def_regular)
3028 1.3 christos {
3029 1.3 christos asection *plt_sec;
3030 1.3 christos const char *name;
3031 1.3 christos
3032 1.3 christos if ((input_section->flags & SEC_ALLOC) == 0
3033 1.3 christos || h->plt.offset == (bfd_vma) -1)
3034 1.3 christos abort ();
3035 1.3 christos
3036 1.3 christos plt_sec = htab->elf.splt;
3037 1.3 christos if (! plt_sec)
3038 1.3 christos plt_sec =htab->elf.iplt;
3039 1.3 christos
3040 1.3 christos switch (r_type)
3041 1.3 christos {
3042 1.3 christos case R_SPARC_GOTDATA_OP:
3043 1.3 christos continue;
3044 1.3 christos
3045 1.3 christos case R_SPARC_GOTDATA_OP_HIX22:
3046 1.3 christos case R_SPARC_GOTDATA_OP_LOX10:
3047 1.3 christos r_type = (r_type == R_SPARC_GOTDATA_OP_HIX22
3048 1.3 christos ? R_SPARC_GOT22
3049 1.3 christos : R_SPARC_GOT10);
3050 1.3 christos howto = _bfd_sparc_elf_howto_table + r_type;
3051 1.3 christos /* Fall through. */
3052 1.3 christos
3053 1.3 christos case R_SPARC_GOT10:
3054 1.3 christos case R_SPARC_GOT13:
3055 1.3 christos case R_SPARC_GOT22:
3056 1.3 christos if (htab->elf.sgot == NULL)
3057 1.3 christos abort ();
3058 1.3 christos off = h->got.offset;
3059 1.3 christos if (off == (bfd_vma) -1)
3060 1.3 christos abort();
3061 1.3 christos relocation = htab->elf.sgot->output_offset + off - got_base;
3062 1.3 christos goto do_relocation;
3063 1.3 christos
3064 1.3 christos case R_SPARC_WPLT30:
3065 1.3 christos case R_SPARC_WDISP30:
3066 1.3 christos relocation = (plt_sec->output_section->vma
3067 1.7 christos + plt_sec->output_offset + h->plt.offset);
3068 1.3 christos goto do_relocation;
3069 1.3 christos
3070 1.3 christos case R_SPARC_32:
3071 1.3 christos case R_SPARC_64:
3072 1.3 christos if (bfd_link_pic (info) && h->non_got_ref)
3073 1.3 christos {
3074 1.3 christos Elf_Internal_Rela outrel;
3075 1.3 christos bfd_vma offset;
3076 1.3 christos
3077 1.3 christos offset = _bfd_elf_section_offset (output_bfd, info,
3078 1.3 christos input_section,
3079 1.3 christos rel->r_offset);
3080 1.3 christos if (offset == (bfd_vma) -1
3081 1.3 christos || offset == (bfd_vma) -2)
3082 1.3 christos abort();
3083 1.3 christos
3084 1.3 christos outrel.r_offset = (input_section->output_section->vma
3085 1.7 christos + input_section->output_offset
3086 1.3 christos + offset);
3087 1.3 christos
3088 1.3 christos if (h->dynindx == -1
3089 1.3 christos || h->forced_local
3090 1.3 christos || bfd_link_executable (info))
3091 1.3 christos {
3092 1.3 christos outrel.r_info = SPARC_ELF_R_INFO (htab, NULL,
3093 1.3 christos 0, R_SPARC_IRELATIVE);
3094 1.3 christos outrel.r_addend = relocation + rel->r_addend;
3095 1.3 christos }
3096 1.3 christos else
3097 1.3 christos {
3098 1.3 christos if (h->dynindx == -1)
3099 1.3 christos abort();
3100 1.3 christos outrel.r_info = SPARC_ELF_R_INFO (htab, rel, h->dynindx, r_type);
3101 1.3 christos outrel.r_addend = rel->r_addend;
3102 1.3 christos }
3103 1.3 christos
3104 1.3 christos sparc_elf_append_rela (output_bfd, sreloc, &outrel);
3105 1.3 christos continue;
3106 1.3 christos }
3107 1.3 christos
3108 1.3 christos relocation = (plt_sec->output_section->vma
3109 1.3 christos + plt_sec->output_offset + h->plt.offset);
3110 1.7 christos goto do_relocation;
3111 1.3 christos
3112 1.3 christos case R_SPARC_HI22:
3113 1.3 christos case R_SPARC_LO10:
3114 1.3 christos /* We should only see such relocs in static links. */
3115 1.3 christos if (bfd_link_pic (info))
3116 1.3 christos abort();
3117 1.3 christos relocation = (plt_sec->output_section->vma
3118 1.3 christos + plt_sec->output_offset + h->plt.offset);
3119 1.3 christos goto do_relocation;
3120 1.3 christos
3121 1.3 christos default:
3122 1.13 christos if (h->root.root.string)
3123 1.13 christos name = h->root.root.string;
3124 1.3 christos else
3125 1.3 christos name = bfd_elf_sym_name (input_bfd, symtab_hdr, sym,
3126 1.3 christos NULL);
3127 1.3 christos _bfd_error_handler
3128 1.3 christos /* xgettext:c-format */
3129 1.3 christos (_("%B: relocation %s against STT_GNU_IFUNC "
3130 1.3 christos "symbol `%s' isn't handled by %s"), input_bfd,
3131 1.3 christos _bfd_sparc_elf_howto_table[r_type].name,
3132 1.3 christos name, __FUNCTION__);
3133 1.13 christos bfd_set_error (bfd_error_bad_value);
3134 1.13 christos return FALSE;
3135 1.13 christos }
3136 1.13 christos }
3137 1.1 skrll
3138 1.1 skrll eh = (struct _bfd_sparc_elf_link_hash_entry *) h;
3139 1.1 skrll resolved_to_zero = (eh != NULL
3140 1.1 skrll && UNDEFINED_WEAK_RESOLVED_TO_ZERO (info, eh));
3141 1.13 christos
3142 1.13 christos switch (r_type)
3143 1.13 christos {
3144 1.13 christos case R_SPARC_GOTDATA_OP_HIX22:
3145 1.13 christos case R_SPARC_GOTDATA_OP_LOX10:
3146 1.13 christos if (gdop_relative_offset_ok (info, h, relocation))
3147 1.13 christos {
3148 1.3 christos r_type = (r_type == R_SPARC_GOTDATA_OP_HIX22
3149 1.3 christos ? R_SPARC_GOTDATA_HIX22
3150 1.3 christos : R_SPARC_GOTDATA_LOX10);
3151 1.13 christos howto = _bfd_sparc_elf_howto_table + r_type;
3152 1.3 christos }
3153 1.3 christos break;
3154 1.3 christos
3155 1.3 christos case R_SPARC_GOTDATA_OP:
3156 1.3 christos if (gdop_relative_offset_ok (info, h, relocation))
3157 1.3 christos {
3158 1.3 christos bfd_vma insn = bfd_get_32 (input_bfd, contents + rel->r_offset);
3159 1.3 christos
3160 1.3 christos /* {ld,ldx} [%rs1 + %rs2], %rd --> add %rs1, %rs2, %rd */
3161 1.3 christos relocation = 0x80000000 | (insn & 0x3e07c01f);
3162 1.3 christos bfd_put_32 (output_bfd, relocation, contents + rel->r_offset);
3163 1.3 christos }
3164 1.3 christos continue;
3165 1.3 christos }
3166 1.3 christos
3167 1.3 christos switch (r_type)
3168 1.1 skrll {
3169 1.13 christos case R_SPARC_GOTDATA_HIX22:
3170 1.13 christos case R_SPARC_GOTDATA_LOX10:
3171 1.1 skrll relocation = gdopoff (info, relocation);
3172 1.1 skrll break;
3173 1.1 skrll
3174 1.1 skrll case R_SPARC_GOTDATA_OP_HIX22:
3175 1.1 skrll case R_SPARC_GOTDATA_OP_LOX10:
3176 1.3 christos case R_SPARC_GOT10:
3177 1.1 skrll case R_SPARC_GOT13:
3178 1.1 skrll case R_SPARC_GOT22:
3179 1.13 christos /* Relocation is to the entry for this symbol in the global
3180 1.1 skrll offset table. */
3181 1.1 skrll if (htab->elf.sgot == NULL)
3182 1.1 skrll abort ();
3183 1.1 skrll
3184 1.1 skrll relative_reloc = FALSE;
3185 1.1 skrll if (h != NULL)
3186 1.1 skrll {
3187 1.1 skrll bfd_boolean dyn;
3188 1.7 christos
3189 1.7 christos off = h->got.offset;
3190 1.7 christos BFD_ASSERT (off != (bfd_vma) -1);
3191 1.7 christos dyn = elf_hash_table (info)->dynamic_sections_created;
3192 1.3 christos
3193 1.1 skrll if (! WILL_CALL_FINISH_DYNAMIC_SYMBOL (dyn,
3194 1.1 skrll bfd_link_pic (info),
3195 1.1 skrll h)
3196 1.1 skrll || (bfd_link_pic (info)
3197 1.1 skrll && SYMBOL_REFERENCES_LOCAL (info, h)))
3198 1.1 skrll {
3199 1.1 skrll /* This is actually a static link, or it is a
3200 1.1 skrll -Bsymbolic link and the symbol is defined
3201 1.1 skrll locally, or the symbol was forced to be local
3202 1.1 skrll because of a version file. We must initialize
3203 1.1 skrll this entry in the global offset table. Since the
3204 1.1 skrll offset must always be a multiple of 8 for 64-bit
3205 1.1 skrll and 4 for 32-bit, we use the least significant bit
3206 1.1 skrll to record whether we have initialized it already.
3207 1.1 skrll
3208 1.1 skrll When doing a dynamic link, we create a .rela.got
3209 1.1 skrll relocation entry to initialize the value. This
3210 1.13 christos is done in the finish_dynamic_symbol routine. */
3211 1.13 christos if ((off & 1) != 0)
3212 1.13 christos off &= ~1;
3213 1.13 christos else
3214 1.13 christos {
3215 1.13 christos if (h->dynindx == -1
3216 1.13 christos && !h->forced_local
3217 1.13 christos && h->root.type != bfd_link_hash_undefweak
3218 1.13 christos && bfd_link_pic (info))
3219 1.13 christos {
3220 1.13 christos /* If this symbol isn't dynamic in PIC
3221 1.13 christos generate R_SPARC_RELATIVE here. */
3222 1.1 skrll relative_reloc = TRUE;
3223 1.1 skrll }
3224 1.1 skrll else
3225 1.1 skrll SPARC_ELF_PUT_WORD (htab, output_bfd, relocation,
3226 1.1 skrll htab->elf.sgot->contents + off);
3227 1.1 skrll h->got.offset |= 1;
3228 1.1 skrll }
3229 1.1 skrll }
3230 1.1 skrll else
3231 1.1 skrll unresolved_reloc = FALSE;
3232 1.1 skrll }
3233 1.1 skrll else
3234 1.1 skrll {
3235 1.1 skrll BFD_ASSERT (local_got_offsets != NULL
3236 1.1 skrll && local_got_offsets[r_symndx] != (bfd_vma) -1);
3237 1.1 skrll
3238 1.1 skrll off = local_got_offsets[r_symndx];
3239 1.1 skrll
3240 1.1 skrll /* The offset must always be a multiple of 8 on 64-bit and
3241 1.1 skrll 4 on 32-bit. We use the least significant bit to record
3242 1.13 christos whether we have already processed this entry. */
3243 1.13 christos if ((off & 1) != 0)
3244 1.13 christos off &= ~1;
3245 1.13 christos else
3246 1.13 christos {
3247 1.13 christos if (bfd_link_pic (info))
3248 1.13 christos relative_reloc = TRUE;
3249 1.13 christos else
3250 1.1 skrll SPARC_ELF_PUT_WORD (htab, output_bfd, relocation,
3251 1.13 christos htab->elf.sgot->contents + off);
3252 1.13 christos local_got_offsets[r_symndx] |= 1;
3253 1.13 christos }
3254 1.13 christos }
3255 1.1 skrll
3256 1.13 christos if (relative_reloc)
3257 1.13 christos {
3258 1.13 christos asection *s;
3259 1.13 christos Elf_Internal_Rela outrel;
3260 1.1 skrll
3261 1.13 christos /* We need to generate a R_SPARC_RELATIVE reloc
3262 1.13 christos for the dynamic linker. */
3263 1.13 christos s = htab->elf.srelgot;
3264 1.13 christos BFD_ASSERT (s != NULL);
3265 1.13 christos
3266 1.13 christos outrel.r_offset = (htab->elf.sgot->output_section->vma
3267 1.13 christos + htab->elf.sgot->output_offset
3268 1.13 christos + off);
3269 1.13 christos outrel.r_info = SPARC_ELF_R_INFO (htab, NULL,
3270 1.13 christos 0, R_SPARC_RELATIVE);
3271 1.13 christos outrel.r_addend = relocation;
3272 1.13 christos sparc_elf_append_rela (output_bfd, s, &outrel);
3273 1.13 christos /* Versions of glibc ld.so at least up to 2.26 wrongly
3274 1.13 christos add the section contents to the value calculated for
3275 1.1 skrll a RELATIVE reloc. Zero the contents to work around
3276 1.13 christos this bug. */
3277 1.3 christos relocation = 0;
3278 1.1 skrll SPARC_ELF_PUT_WORD (htab, output_bfd, relocation,
3279 1.1 skrll htab->elf.sgot->contents + off);
3280 1.1 skrll }
3281 1.1 skrll
3282 1.1 skrll relocation = htab->elf.sgot->output_offset + off - got_base;
3283 1.1 skrll break;
3284 1.1 skrll
3285 1.1 skrll case R_SPARC_PLT32:
3286 1.1 skrll case R_SPARC_PLT64:
3287 1.1 skrll if (h == NULL || h->plt.offset == (bfd_vma) -1)
3288 1.1 skrll {
3289 1.1 skrll r_type = (r_type == R_SPARC_PLT32) ? R_SPARC_32 : R_SPARC_64;
3290 1.1 skrll goto r_sparc_plt32;
3291 1.1 skrll }
3292 1.1 skrll /* Fall through. */
3293 1.1 skrll
3294 1.1 skrll case R_SPARC_WPLT30:
3295 1.1 skrll case R_SPARC_HIPLT22:
3296 1.1 skrll case R_SPARC_LOPLT10:
3297 1.1 skrll case R_SPARC_PCPLT32:
3298 1.1 skrll case R_SPARC_PCPLT22:
3299 1.1 skrll case R_SPARC_PCPLT10:
3300 1.1 skrll r_sparc_wplt30:
3301 1.1 skrll /* Relocation is to the entry for this symbol in the
3302 1.1 skrll procedure linkage table. */
3303 1.1 skrll
3304 1.1 skrll if (! ABI_64_P (output_bfd))
3305 1.1 skrll {
3306 1.1 skrll /* The Solaris native assembler will generate a WPLT30 reloc
3307 1.1 skrll for a local symbol if you assemble a call from one
3308 1.7 christos section to another when using -K pic. We treat it as
3309 1.3 christos WDISP30. */
3310 1.3 christos if (h == NULL)
3311 1.1 skrll break;
3312 1.1 skrll }
3313 1.1 skrll /* PR 7027: We need similar behaviour for 64-bit binaries. */
3314 1.1 skrll else if (r_type == R_SPARC_WPLT30 && h == NULL)
3315 1.1 skrll break;
3316 1.3 christos else
3317 1.1 skrll {
3318 1.1 skrll BFD_ASSERT (h != NULL);
3319 1.1 skrll }
3320 1.1 skrll
3321 1.1 skrll if (h->plt.offset == (bfd_vma) -1 || htab->elf.splt == NULL)
3322 1.1 skrll {
3323 1.1 skrll /* We didn't make a PLT entry for this symbol. This
3324 1.3 christos happens when statically linking PIC code, or when
3325 1.3 christos using -Bsymbolic. */
3326 1.1 skrll break;
3327 1.1 skrll }
3328 1.1 skrll
3329 1.1 skrll relocation = (htab->elf.splt->output_section->vma
3330 1.1 skrll + htab->elf.splt->output_offset
3331 1.1 skrll + h->plt.offset);
3332 1.1 skrll unresolved_reloc = FALSE;
3333 1.1 skrll if (r_type == R_SPARC_PLT32 || r_type == R_SPARC_PLT64)
3334 1.1 skrll {
3335 1.1 skrll r_type = r_type == R_SPARC_PLT32 ? R_SPARC_32 : R_SPARC_64;
3336 1.1 skrll is_plt = TRUE;
3337 1.1 skrll goto r_sparc_plt32;
3338 1.1 skrll }
3339 1.1 skrll break;
3340 1.1 skrll
3341 1.1 skrll case R_SPARC_PC10:
3342 1.1 skrll case R_SPARC_PC22:
3343 1.1 skrll case R_SPARC_PC_HH22:
3344 1.1 skrll case R_SPARC_PC_HM10:
3345 1.1 skrll case R_SPARC_PC_LM22:
3346 1.1 skrll if (h != NULL
3347 1.1 skrll && strcmp (h->root.root.string, "_GLOBAL_OFFSET_TABLE_") == 0)
3348 1.1 skrll break;
3349 1.1 skrll /* Fall through. */
3350 1.1 skrll case R_SPARC_DISP8:
3351 1.1 skrll case R_SPARC_DISP16:
3352 1.1 skrll case R_SPARC_DISP32:
3353 1.6 christos case R_SPARC_DISP64:
3354 1.1 skrll case R_SPARC_WDISP30:
3355 1.1 skrll case R_SPARC_WDISP22:
3356 1.1 skrll case R_SPARC_WDISP19:
3357 1.1 skrll case R_SPARC_WDISP16:
3358 1.1 skrll case R_SPARC_WDISP10:
3359 1.1 skrll case R_SPARC_8:
3360 1.1 skrll case R_SPARC_16:
3361 1.1 skrll case R_SPARC_32:
3362 1.1 skrll case R_SPARC_HI22:
3363 1.1 skrll case R_SPARC_22:
3364 1.1 skrll case R_SPARC_13:
3365 1.1 skrll case R_SPARC_LO10:
3366 1.1 skrll case R_SPARC_UA16:
3367 1.1 skrll case R_SPARC_UA32:
3368 1.1 skrll case R_SPARC_10:
3369 1.1 skrll case R_SPARC_11:
3370 1.1 skrll case R_SPARC_64:
3371 1.1 skrll case R_SPARC_OLO10:
3372 1.1 skrll case R_SPARC_HH22:
3373 1.1 skrll case R_SPARC_HM10:
3374 1.1 skrll case R_SPARC_LM22:
3375 1.1 skrll case R_SPARC_7:
3376 1.1 skrll case R_SPARC_5:
3377 1.1 skrll case R_SPARC_6:
3378 1.6 christos case R_SPARC_HIX22:
3379 1.1 skrll case R_SPARC_LOX10:
3380 1.1 skrll case R_SPARC_H44:
3381 1.1 skrll case R_SPARC_M44:
3382 1.1 skrll case R_SPARC_L44:
3383 1.1 skrll case R_SPARC_H34:
3384 1.1 skrll case R_SPARC_UA64:
3385 1.13 christos r_sparc_plt32:
3386 1.13 christos if ((input_section->flags & SEC_ALLOC) == 0
3387 1.13 christos || is_vxworks_tls)
3388 1.7 christos break;
3389 1.1 skrll
3390 1.13 christos /* Copy dynamic function pointer relocations. Don't generate
3391 1.13 christos dynamic relocations against resolved undefined weak symbols
3392 1.13 christos in PIE. */
3393 1.1 skrll if ((bfd_link_pic (info)
3394 1.3 christos && (h == NULL
3395 1.7 christos || ((ELF_ST_VISIBILITY (h->other) == STV_DEFAULT
3396 1.1 skrll && !resolved_to_zero)
3397 1.1 skrll || h->root.type != bfd_link_hash_undefweak))
3398 1.1 skrll && (! howto->pc_relative
3399 1.1 skrll || !SYMBOL_CALLS_LOCAL (info, h)))
3400 1.1 skrll || (!bfd_link_pic (info)
3401 1.13 christos && h != NULL
3402 1.13 christos && h->dynindx != -1
3403 1.1 skrll && !h->non_got_ref
3404 1.1 skrll && ((h->def_dynamic
3405 1.1 skrll && !h->def_regular)
3406 1.1 skrll || (h->root.type == bfd_link_hash_undefweak
3407 1.1 skrll && !resolved_to_zero)
3408 1.1 skrll || h->root.type == bfd_link_hash_undefined)))
3409 1.1 skrll {
3410 1.1 skrll Elf_Internal_Rela outrel;
3411 1.1 skrll bfd_boolean skip, relocate = FALSE;
3412 1.1 skrll
3413 1.1 skrll /* When generating a shared object, these relocations
3414 1.1 skrll are copied into the output file to be resolved at run
3415 1.1 skrll time. */
3416 1.1 skrll
3417 1.1 skrll BFD_ASSERT (sreloc != NULL);
3418 1.1 skrll
3419 1.1 skrll skip = FALSE;
3420 1.1 skrll
3421 1.1 skrll outrel.r_offset =
3422 1.1 skrll _bfd_elf_section_offset (output_bfd, info, input_section,
3423 1.1 skrll rel->r_offset);
3424 1.1 skrll if (outrel.r_offset == (bfd_vma) -1)
3425 1.1 skrll skip = TRUE;
3426 1.1 skrll else if (outrel.r_offset == (bfd_vma) -2)
3427 1.1 skrll skip = TRUE, relocate = TRUE;
3428 1.1 skrll outrel.r_offset += (input_section->output_section->vma
3429 1.1 skrll + input_section->output_offset);
3430 1.1 skrll
3431 1.1 skrll /* Optimize unaligned reloc usage now that we know where
3432 1.1 skrll it finally resides. */
3433 1.1 skrll switch (r_type)
3434 1.1 skrll {
3435 1.1 skrll case R_SPARC_16:
3436 1.1 skrll if (outrel.r_offset & 1)
3437 1.1 skrll r_type = R_SPARC_UA16;
3438 1.1 skrll break;
3439 1.1 skrll case R_SPARC_UA16:
3440 1.1 skrll if (!(outrel.r_offset & 1))
3441 1.1 skrll r_type = R_SPARC_16;
3442 1.1 skrll break;
3443 1.1 skrll case R_SPARC_32:
3444 1.1 skrll if (outrel.r_offset & 3)
3445 1.1 skrll r_type = R_SPARC_UA32;
3446 1.1 skrll break;
3447 1.1 skrll case R_SPARC_UA32:
3448 1.1 skrll if (!(outrel.r_offset & 3))
3449 1.1 skrll r_type = R_SPARC_32;
3450 1.1 skrll break;
3451 1.1 skrll case R_SPARC_64:
3452 1.1 skrll if (outrel.r_offset & 7)
3453 1.1 skrll r_type = R_SPARC_UA64;
3454 1.13 christos break;
3455 1.1 skrll case R_SPARC_UA64:
3456 1.13 christos if (!(outrel.r_offset & 7))
3457 1.13 christos r_type = R_SPARC_64;
3458 1.1 skrll break;
3459 1.1 skrll case R_SPARC_DISP8:
3460 1.1 skrll case R_SPARC_DISP16:
3461 1.1 skrll case R_SPARC_DISP32:
3462 1.1 skrll case R_SPARC_DISP64:
3463 1.1 skrll /* If the symbol is not dynamic, we should not keep
3464 1.1 skrll a dynamic relocation. But an .rela.* slot has been
3465 1.1 skrll allocated for it, output R_SPARC_NONE.
3466 1.1 skrll FIXME: Add code tracking needed dynamic relocs as
3467 1.1 skrll e.g. i386 has. */
3468 1.1 skrll if (h->dynindx == -1)
3469 1.1 skrll skip = TRUE, relocate = TRUE;
3470 1.1 skrll break;
3471 1.1 skrll }
3472 1.7 christos
3473 1.7 christos if (skip)
3474 1.7 christos memset (&outrel, 0, sizeof outrel);
3475 1.7 christos /* h->dynindx may be -1 if the symbol was marked to
3476 1.5 christos become local. */
3477 1.5 christos else if (h != NULL
3478 1.1 skrll && h->dynindx != -1
3479 1.1 skrll && (_bfd_sparc_elf_howto_table[r_type].pc_relative
3480 1.1 skrll || !bfd_link_pic (info)
3481 1.1 skrll || !SYMBOLIC_BIND (info, h)
3482 1.1 skrll || !h->def_regular))
3483 1.1 skrll {
3484 1.1 skrll BFD_ASSERT (h->dynindx != -1);
3485 1.11 christos outrel.r_info = SPARC_ELF_R_INFO (htab, rel, h->dynindx, r_type);
3486 1.11 christos outrel.r_addend = rel->r_addend;
3487 1.1 skrll }
3488 1.1 skrll else
3489 1.1 skrll {
3490 1.1 skrll if ( (!ABI_64_P (output_bfd) && r_type == R_SPARC_32)
3491 1.1 skrll || (ABI_64_P (output_bfd) && r_type == R_SPARC_64))
3492 1.1 skrll {
3493 1.1 skrll outrel.r_info = SPARC_ELF_R_INFO (htab, NULL,
3494 1.1 skrll 0, R_SPARC_RELATIVE);
3495 1.1 skrll outrel.r_addend = relocation + rel->r_addend;
3496 1.1 skrll }
3497 1.1 skrll else
3498 1.1 skrll {
3499 1.3 christos long indx;
3500 1.1 skrll
3501 1.1 skrll outrel.r_addend = relocation + rel->r_addend;
3502 1.1 skrll
3503 1.1 skrll if (is_plt)
3504 1.1 skrll sec = htab->elf.splt;
3505 1.1 skrll
3506 1.1 skrll if (bfd_is_abs_section (sec))
3507 1.1 skrll indx = 0;
3508 1.1 skrll else if (sec == NULL || sec->owner == NULL)
3509 1.1 skrll {
3510 1.1 skrll bfd_set_error (bfd_error_bad_value);
3511 1.1 skrll return FALSE;
3512 1.1 skrll }
3513 1.1 skrll else
3514 1.1 skrll {
3515 1.1 skrll asection *osec;
3516 1.1 skrll
3517 1.1 skrll /* We are turning this relocation into one
3518 1.1 skrll against a section symbol. It would be
3519 1.1 skrll proper to subtract the symbol's value,
3520 1.1 skrll osec->vma, from the emitted reloc addend,
3521 1.1 skrll but ld.so expects buggy relocs. */
3522 1.1 skrll osec = sec->output_section;
3523 1.1 skrll indx = elf_section_data (osec)->dynindx;
3524 1.1 skrll
3525 1.1 skrll if (indx == 0)
3526 1.1 skrll {
3527 1.1 skrll osec = htab->elf.text_index_section;
3528 1.1 skrll indx = elf_section_data (osec)->dynindx;
3529 1.1 skrll }
3530 1.1 skrll
3531 1.13 christos /* FIXME: we really should be able to link non-pic
3532 1.1 skrll shared libraries. */
3533 1.1 skrll if (indx == 0)
3534 1.1 skrll {
3535 1.1 skrll BFD_FAIL ();
3536 1.1 skrll _bfd_error_handler
3537 1.1 skrll (_("%B: probably compiled without -fPIC?"),
3538 1.1 skrll input_bfd);
3539 1.1 skrll bfd_set_error (bfd_error_bad_value);
3540 1.1 skrll return FALSE;
3541 1.1 skrll }
3542 1.1 skrll }
3543 1.1 skrll
3544 1.1 skrll outrel.r_info = SPARC_ELF_R_INFO (htab, rel, indx,
3545 1.1 skrll r_type);
3546 1.1 skrll }
3547 1.1 skrll }
3548 1.1 skrll
3549 1.1 skrll sparc_elf_append_rela (output_bfd, sreloc, &outrel);
3550 1.1 skrll
3551 1.1 skrll /* This reloc will be computed at runtime, so there's no
3552 1.1 skrll need to do anything now. */
3553 1.1 skrll if (! relocate)
3554 1.1 skrll continue;
3555 1.1 skrll }
3556 1.1 skrll break;
3557 1.1 skrll
3558 1.1 skrll case R_SPARC_TLS_GD_HI22:
3559 1.1 skrll if (! ABI_64_P (input_bfd)
3560 1.1 skrll && ! _bfd_sparc_elf_tdata (input_bfd)->has_tlsgd)
3561 1.1 skrll {
3562 1.1 skrll /* R_SPARC_REV32 used the same reloc number as
3563 1.1 skrll R_SPARC_TLS_GD_HI22. */
3564 1.1 skrll r_type = R_SPARC_REV32;
3565 1.1 skrll break;
3566 1.1 skrll }
3567 1.1 skrll /* Fall through */
3568 1.1 skrll
3569 1.1 skrll case R_SPARC_TLS_GD_LO10:
3570 1.1 skrll case R_SPARC_TLS_IE_HI22:
3571 1.1 skrll case R_SPARC_TLS_IE_LO10:
3572 1.1 skrll r_type = sparc_elf_tls_transition (info, input_bfd, r_type, h == NULL);
3573 1.1 skrll tls_type = GOT_UNKNOWN;
3574 1.12 joerg if (h == NULL && local_got_offsets)
3575 1.7 christos tls_type = _bfd_sparc_elf_local_got_tls_type (input_bfd) [r_symndx];
3576 1.7 christos else if (h != NULL)
3577 1.1 skrll {
3578 1.1 skrll tls_type = _bfd_sparc_elf_hash_entry(h)->tls_type;
3579 1.1 skrll if (!bfd_link_dll (info)
3580 1.1 skrll && h->dynindx == -1
3581 1.1 skrll && tls_type == GOT_TLS_IE)
3582 1.1 skrll switch (SPARC_ELF_R_TYPE (rel->r_info))
3583 1.1 skrll {
3584 1.1 skrll case R_SPARC_TLS_GD_HI22:
3585 1.1 skrll case R_SPARC_TLS_IE_HI22:
3586 1.1 skrll r_type = R_SPARC_TLS_LE_HIX22;
3587 1.1 skrll break;
3588 1.1 skrll default:
3589 1.1 skrll r_type = R_SPARC_TLS_LE_LOX10;
3590 1.1 skrll break;
3591 1.1 skrll }
3592 1.1 skrll }
3593 1.1 skrll if (tls_type == GOT_TLS_IE)
3594 1.1 skrll switch (r_type)
3595 1.1 skrll {
3596 1.1 skrll case R_SPARC_TLS_GD_HI22:
3597 1.1 skrll r_type = R_SPARC_TLS_IE_HI22;
3598 1.1 skrll break;
3599 1.1 skrll case R_SPARC_TLS_GD_LO10:
3600 1.1 skrll r_type = R_SPARC_TLS_IE_LO10;
3601 1.1 skrll break;
3602 1.1 skrll }
3603 1.1 skrll
3604 1.1 skrll if (r_type == R_SPARC_TLS_LE_HIX22)
3605 1.1 skrll {
3606 1.1 skrll relocation = tpoff (info, relocation);
3607 1.1 skrll break;
3608 1.1 skrll }
3609 1.1 skrll if (r_type == R_SPARC_TLS_LE_LOX10)
3610 1.1 skrll {
3611 1.1 skrll /* Change add into xor. */
3612 1.1 skrll relocation = tpoff (info, relocation);
3613 1.1 skrll bfd_put_32 (output_bfd, (bfd_get_32 (input_bfd,
3614 1.1 skrll contents + rel->r_offset)
3615 1.1 skrll | 0x80182000), contents + rel->r_offset);
3616 1.1 skrll break;
3617 1.1 skrll }
3618 1.1 skrll
3619 1.1 skrll if (h != NULL)
3620 1.1 skrll {
3621 1.1 skrll off = h->got.offset;
3622 1.1 skrll h->got.offset |= 1;
3623 1.1 skrll }
3624 1.1 skrll else
3625 1.1 skrll {
3626 1.1 skrll BFD_ASSERT (local_got_offsets != NULL);
3627 1.3 christos off = local_got_offsets[r_symndx];
3628 1.1 skrll local_got_offsets[r_symndx] |= 1;
3629 1.1 skrll }
3630 1.1 skrll
3631 1.1 skrll r_sparc_tlsldm:
3632 1.1 skrll if (htab->elf.sgot == NULL)
3633 1.1 skrll abort ();
3634 1.1 skrll
3635 1.1 skrll if ((off & 1) != 0)
3636 1.1 skrll off &= ~1;
3637 1.3 christos else
3638 1.1 skrll {
3639 1.1 skrll Elf_Internal_Rela outrel;
3640 1.3 christos int dr_type, indx;
3641 1.3 christos
3642 1.3 christos if (htab->elf.srelgot == NULL)
3643 1.3 christos abort ();
3644 1.1 skrll
3645 1.1 skrll SPARC_ELF_PUT_WORD (htab, output_bfd, 0,
3646 1.1 skrll htab->elf.sgot->contents + off);
3647 1.1 skrll outrel.r_offset = (htab->elf.sgot->output_section->vma
3648 1.1 skrll + htab->elf.sgot->output_offset + off);
3649 1.1 skrll indx = h && h->dynindx != -1 ? h->dynindx : 0;
3650 1.1 skrll if (r_type == R_SPARC_TLS_IE_HI22
3651 1.1 skrll || r_type == R_SPARC_TLS_IE_LO10)
3652 1.1 skrll dr_type = SPARC_ELF_TPOFF_RELOC (htab);
3653 1.1 skrll else
3654 1.1 skrll dr_type = SPARC_ELF_DTPMOD_RELOC (htab);
3655 1.3 christos if (dr_type == SPARC_ELF_TPOFF_RELOC (htab) && indx == 0)
3656 1.1 skrll outrel.r_addend = relocation - dtpoff_base (info);
3657 1.1 skrll else
3658 1.1 skrll outrel.r_addend = 0;
3659 1.1 skrll outrel.r_info = SPARC_ELF_R_INFO (htab, NULL, indx, dr_type);
3660 1.1 skrll sparc_elf_append_rela (output_bfd, htab->elf.srelgot, &outrel);
3661 1.1 skrll
3662 1.13 christos if (r_type == R_SPARC_TLS_GD_HI22
3663 1.1 skrll || r_type == R_SPARC_TLS_GD_LO10)
3664 1.1 skrll {
3665 1.3 christos if (indx == 0)
3666 1.1 skrll {
3667 1.1 skrll BFD_ASSERT (! unresolved_reloc);
3668 1.1 skrll SPARC_ELF_PUT_WORD (htab, output_bfd,
3669 1.1 skrll relocation - dtpoff_base (info),
3670 1.1 skrll (htab->elf.sgot->contents + off
3671 1.3 christos + SPARC_ELF_WORD_BYTES (htab)));
3672 1.1 skrll }
3673 1.1 skrll else
3674 1.1 skrll {
3675 1.1 skrll SPARC_ELF_PUT_WORD (htab, output_bfd, 0,
3676 1.3 christos (htab->elf.sgot->contents + off
3677 1.1 skrll + SPARC_ELF_WORD_BYTES (htab)));
3678 1.1 skrll outrel.r_info = SPARC_ELF_R_INFO (htab, NULL, indx,
3679 1.1 skrll SPARC_ELF_DTPOFF_RELOC (htab));
3680 1.1 skrll outrel.r_offset += SPARC_ELF_WORD_BYTES (htab);
3681 1.1 skrll sparc_elf_append_rela (output_bfd, htab->elf.srelgot,
3682 1.1 skrll &outrel);
3683 1.3 christos }
3684 1.1 skrll }
3685 1.1 skrll else if (dr_type == SPARC_ELF_DTPMOD_RELOC (htab))
3686 1.1 skrll {
3687 1.1 skrll SPARC_ELF_PUT_WORD (htab, output_bfd, 0,
3688 1.1 skrll (htab->elf.sgot->contents + off
3689 1.1 skrll + SPARC_ELF_WORD_BYTES (htab)));
3690 1.1 skrll }
3691 1.3 christos }
3692 1.1 skrll
3693 1.1 skrll if (off >= (bfd_vma) -2)
3694 1.1 skrll abort ();
3695 1.1 skrll
3696 1.1 skrll relocation = htab->elf.sgot->output_offset + off - got_base;
3697 1.1 skrll unresolved_reloc = FALSE;
3698 1.12 joerg howto = _bfd_sparc_elf_howto_table + r_type;
3699 1.1 skrll break;
3700 1.1 skrll
3701 1.1 skrll case R_SPARC_TLS_LDM_HI22:
3702 1.1 skrll case R_SPARC_TLS_LDM_LO10:
3703 1.1 skrll if (! bfd_link_dll (info))
3704 1.1 skrll {
3705 1.1 skrll bfd_put_32 (output_bfd, SPARC_NOP, contents + rel->r_offset);
3706 1.1 skrll continue;
3707 1.1 skrll }
3708 1.1 skrll off = htab->tls_ldm_got.offset;
3709 1.12 joerg htab->tls_ldm_got.offset |= 1;
3710 1.1 skrll goto r_sparc_tlsldm;
3711 1.1 skrll
3712 1.1 skrll case R_SPARC_TLS_LDO_HIX22:
3713 1.1 skrll case R_SPARC_TLS_LDO_LOX10:
3714 1.1 skrll if (bfd_link_dll (info))
3715 1.1 skrll {
3716 1.1 skrll relocation -= dtpoff_base (info);
3717 1.1 skrll break;
3718 1.1 skrll }
3719 1.1 skrll
3720 1.1 skrll r_type = (r_type == R_SPARC_TLS_LDO_HIX22
3721 1.12 joerg ? R_SPARC_TLS_LE_HIX22 : R_SPARC_TLS_LE_LOX10);
3722 1.1 skrll /* Fall through. */
3723 1.1 skrll
3724 1.3 christos case R_SPARC_TLS_LE_HIX22:
3725 1.1 skrll case R_SPARC_TLS_LE_LOX10:
3726 1.1 skrll if (bfd_link_dll (info))
3727 1.1 skrll {
3728 1.1 skrll Elf_Internal_Rela outrel;
3729 1.1 skrll bfd_boolean skip;
3730 1.1 skrll
3731 1.1 skrll BFD_ASSERT (sreloc != NULL);
3732 1.1 skrll skip = FALSE;
3733 1.1 skrll outrel.r_offset =
3734 1.3 christos _bfd_elf_section_offset (output_bfd, info, input_section,
3735 1.1 skrll rel->r_offset);
3736 1.1 skrll if (outrel.r_offset == (bfd_vma) -1)
3737 1.1 skrll skip = TRUE;
3738 1.1 skrll else if (outrel.r_offset == (bfd_vma) -2)
3739 1.1 skrll skip = TRUE;
3740 1.1 skrll outrel.r_offset += (input_section->output_section->vma
3741 1.1 skrll + input_section->output_offset);
3742 1.1 skrll if (skip)
3743 1.1 skrll memset (&outrel, 0, sizeof outrel);
3744 1.1 skrll else
3745 1.1 skrll {
3746 1.1 skrll outrel.r_info = SPARC_ELF_R_INFO (htab, NULL, 0, r_type);
3747 1.1 skrll outrel.r_addend = relocation - dtpoff_base (info)
3748 1.1 skrll + rel->r_addend;
3749 1.1 skrll }
3750 1.1 skrll
3751 1.1 skrll sparc_elf_append_rela (output_bfd, sreloc, &outrel);
3752 1.1 skrll continue;
3753 1.12 joerg }
3754 1.1 skrll relocation = tpoff (info, relocation);
3755 1.1 skrll break;
3756 1.1 skrll
3757 1.1 skrll case R_SPARC_TLS_LDM_CALL:
3758 1.1 skrll if (! bfd_link_dll (info))
3759 1.1 skrll {
3760 1.1 skrll /* mov %g0, %o0 */
3761 1.1 skrll bfd_put_32 (output_bfd, 0x90100000, contents + rel->r_offset);
3762 1.1 skrll continue;
3763 1.1 skrll }
3764 1.1 skrll /* Fall through */
3765 1.1 skrll
3766 1.1 skrll case R_SPARC_TLS_GD_CALL:
3767 1.12 joerg tls_type = GOT_UNKNOWN;
3768 1.1 skrll if (h == NULL && local_got_offsets)
3769 1.1 skrll tls_type = _bfd_sparc_elf_local_got_tls_type (input_bfd) [r_symndx];
3770 1.6 christos else if (h != NULL)
3771 1.1 skrll tls_type = _bfd_sparc_elf_hash_entry(h)->tls_type;
3772 1.1 skrll if (! bfd_link_dll (info)
3773 1.12 joerg || (r_type == R_SPARC_TLS_GD_CALL && tls_type == GOT_TLS_IE))
3774 1.1 skrll {
3775 1.1 skrll Elf_Internal_Rela *rel2;
3776 1.1 skrll bfd_vma insn;
3777 1.1 skrll
3778 1.1 skrll if (!bfd_link_dll (info) && (h == NULL || h->dynindx == -1))
3779 1.1 skrll {
3780 1.1 skrll /* GD -> LE */
3781 1.1 skrll bfd_put_32 (output_bfd, SPARC_NOP, contents + rel->r_offset);
3782 1.1 skrll continue;
3783 1.1 skrll }
3784 1.1 skrll
3785 1.1 skrll /* GD -> IE */
3786 1.1 skrll if (rel + 1 < relend
3787 1.1 skrll && SPARC_ELF_R_TYPE (rel[1].r_info) == R_SPARC_TLS_GD_ADD
3788 1.1 skrll && rel[1].r_offset == rel->r_offset + 4
3789 1.1 skrll && SPARC_ELF_R_SYMNDX (htab, rel[1].r_info) == r_symndx
3790 1.1 skrll && (((insn = bfd_get_32 (input_bfd,
3791 1.1 skrll contents + rel[1].r_offset))
3792 1.1 skrll >> 25) & 0x1f) == 8)
3793 1.1 skrll {
3794 1.1 skrll /* We have
3795 1.1 skrll call __tls_get_addr, %tgd_call(foo)
3796 1.1 skrll add %reg1, %reg2, %o0, %tgd_add(foo)
3797 1.1 skrll and change it into IE:
3798 1.1 skrll {ld,ldx} [%reg1 + %reg2], %o0, %tie_ldx(foo)
3799 1.1 skrll add %g7, %o0, %o0, %tie_add(foo).
3800 1.1 skrll add is 0x80000000 | (rd << 25) | (rs1 << 14) | rs2,
3801 1.1 skrll ld is 0xc0000000 | (rd << 25) | (rs1 << 14) | rs2,
3802 1.1 skrll ldx is 0xc0580000 | (rd << 25) | (rs1 << 14) | rs2. */
3803 1.1 skrll bfd_put_32 (output_bfd, insn | (ABI_64_P (output_bfd) ? 0xc0580000 : 0xc0000000),
3804 1.1 skrll contents + rel->r_offset);
3805 1.1 skrll bfd_put_32 (output_bfd, 0x9001c008,
3806 1.6 christos contents + rel->r_offset + 4);
3807 1.6 christos rel++;
3808 1.6 christos continue;
3809 1.6 christos }
3810 1.6 christos
3811 1.6 christos /* We cannot just overwrite the delay slot instruction,
3812 1.6 christos as it might be what puts the %o0 argument to
3813 1.6 christos __tls_get_addr into place. So we have to transpose
3814 1.6 christos the delay slot with the add we patch in. */
3815 1.6 christos insn = bfd_get_32 (input_bfd, contents + rel->r_offset + 4);
3816 1.6 christos bfd_put_32 (output_bfd, insn,
3817 1.6 christos contents + rel->r_offset);
3818 1.6 christos bfd_put_32 (output_bfd, 0x9001c008,
3819 1.6 christos contents + rel->r_offset + 4);
3820 1.6 christos
3821 1.6 christos rel2 = rel;
3822 1.6 christos while ((rel2 = sparc_elf_find_reloc_at_ofs (rel2 + 1, relend,
3823 1.6 christos rel->r_offset + 4))
3824 1.6 christos != NULL)
3825 1.6 christos {
3826 1.1 skrll /* If the instruction we moved has a relocation attached to
3827 1.1 skrll it, adjust the offset so that it will apply to the correct
3828 1.1 skrll instruction. */
3829 1.1 skrll rel2->r_offset -= 4;
3830 1.1 skrll }
3831 1.1 skrll continue;
3832 1.1 skrll }
3833 1.1 skrll
3834 1.1 skrll h = (struct elf_link_hash_entry *)
3835 1.1 skrll bfd_link_hash_lookup (info->hash, "__tls_get_addr", FALSE,
3836 1.1 skrll FALSE, TRUE);
3837 1.1 skrll BFD_ASSERT (h != NULL);
3838 1.1 skrll r_type = R_SPARC_WPLT30;
3839 1.1 skrll howto = _bfd_sparc_elf_howto_table + r_type;
3840 1.1 skrll goto r_sparc_wplt30;
3841 1.1 skrll
3842 1.1 skrll case R_SPARC_TLS_GD_ADD:
3843 1.7 christos tls_type = GOT_UNKNOWN;
3844 1.1 skrll if (h == NULL && local_got_offsets)
3845 1.1 skrll tls_type = _bfd_sparc_elf_local_got_tls_type (input_bfd) [r_symndx];
3846 1.1 skrll else if (h != NULL)
3847 1.1 skrll tls_type = _bfd_sparc_elf_hash_entry(h)->tls_type;
3848 1.1 skrll if (! bfd_link_pic (info) || tls_type == GOT_TLS_IE)
3849 1.1 skrll {
3850 1.1 skrll /* add %reg1, %reg2, %reg3, %tgd_add(foo)
3851 1.7 christos changed into IE:
3852 1.1 skrll {ld,ldx} [%reg1 + %reg2], %reg3, %tie_ldx(foo)
3853 1.1 skrll or LE:
3854 1.1 skrll add %g7, %reg2, %reg3. */
3855 1.1 skrll bfd_vma insn = bfd_get_32 (input_bfd, contents + rel->r_offset);
3856 1.1 skrll if ((h != NULL && h->dynindx != -1) || bfd_link_pic (info))
3857 1.1 skrll relocation = insn | (ABI_64_P (output_bfd) ? 0xc0580000 : 0xc0000000);
3858 1.1 skrll else
3859 1.1 skrll relocation = (insn & ~0x7c000) | 0x1c000;
3860 1.12 joerg bfd_put_32 (output_bfd, relocation, contents + rel->r_offset);
3861 1.1 skrll }
3862 1.1 skrll continue;
3863 1.1 skrll
3864 1.1 skrll case R_SPARC_TLS_LDM_ADD:
3865 1.12 joerg if (! bfd_link_dll (info))
3866 1.1 skrll bfd_put_32 (output_bfd, SPARC_NOP, contents + rel->r_offset);
3867 1.1 skrll continue;
3868 1.1 skrll
3869 1.1 skrll case R_SPARC_TLS_LDO_ADD:
3870 1.1 skrll if (! bfd_link_dll (info))
3871 1.1 skrll {
3872 1.1 skrll /* Change rs1 into %g7. */
3873 1.1 skrll bfd_vma insn = bfd_get_32 (input_bfd, contents + rel->r_offset);
3874 1.1 skrll insn = (insn & ~0x7c000) | 0x1c000;
3875 1.1 skrll bfd_put_32 (output_bfd, insn, contents + rel->r_offset);
3876 1.12 joerg }
3877 1.1 skrll continue;
3878 1.1 skrll
3879 1.1 skrll case R_SPARC_TLS_IE_LD:
3880 1.1 skrll case R_SPARC_TLS_IE_LDX:
3881 1.1 skrll if (! bfd_link_dll (info) && (h == NULL || h->dynindx == -1))
3882 1.1 skrll {
3883 1.1 skrll bfd_vma insn = bfd_get_32 (input_bfd, contents + rel->r_offset);
3884 1.1 skrll int rs2 = insn & 0x1f;
3885 1.1 skrll int rd = (insn >> 25) & 0x1f;
3886 1.1 skrll
3887 1.1 skrll if (rs2 == rd)
3888 1.1 skrll relocation = SPARC_NOP;
3889 1.1 skrll else
3890 1.1 skrll relocation = 0x80100000 | (insn & 0x3e00001f);
3891 1.1 skrll bfd_put_32 (output_bfd, relocation, contents + rel->r_offset);
3892 1.1 skrll }
3893 1.1 skrll continue;
3894 1.1 skrll
3895 1.1 skrll case R_SPARC_TLS_IE_ADD:
3896 1.1 skrll /* Totally useless relocation. */
3897 1.1 skrll continue;
3898 1.1 skrll
3899 1.1 skrll case R_SPARC_TLS_DTPOFF32:
3900 1.1 skrll case R_SPARC_TLS_DTPOFF64:
3901 1.1 skrll relocation -= dtpoff_base (info);
3902 1.1 skrll break;
3903 1.1 skrll
3904 1.1 skrll default:
3905 1.1 skrll break;
3906 1.1 skrll }
3907 1.1 skrll
3908 1.6 christos /* Dynamic relocs are not propagated for SEC_DEBUGGING sections
3909 1.6 christos because such sections are not SEC_ALLOC and thus ld.so will
3910 1.6 christos not process them. */
3911 1.13 christos if (unresolved_reloc
3912 1.13 christos && !((input_section->flags & SEC_DEBUGGING) != 0
3913 1.13 christos && h->def_dynamic)
3914 1.1 skrll && _bfd_elf_section_offset (output_bfd, info, input_section,
3915 1.1 skrll rel->r_offset) != (bfd_vma) -1)
3916 1.13 christos _bfd_error_handler
3917 1.1 skrll /* xgettext:c-format */
3918 1.1 skrll (_("%B(%A+%#Lx): unresolvable %s relocation against symbol `%s'"),
3919 1.1 skrll input_bfd,
3920 1.1 skrll input_section,
3921 1.1 skrll rel->r_offset,
3922 1.1 skrll howto->name,
3923 1.1 skrll h->root.root.string);
3924 1.1 skrll
3925 1.1 skrll r = bfd_reloc_continue;
3926 1.1 skrll if (r_type == R_SPARC_OLO10)
3927 1.1 skrll {
3928 1.1 skrll bfd_vma x;
3929 1.1 skrll
3930 1.1 skrll if (! ABI_64_P (output_bfd))
3931 1.1 skrll abort ();
3932 1.1 skrll
3933 1.1 skrll relocation += rel->r_addend;
3934 1.1 skrll relocation = (relocation & 0x3ff) + ELF64_R_TYPE_DATA (rel->r_info);
3935 1.1 skrll
3936 1.1 skrll x = bfd_get_32 (input_bfd, contents + rel->r_offset);
3937 1.1 skrll x = (x & ~(bfd_vma) 0x1fff) | (relocation & 0x1fff);
3938 1.1 skrll bfd_put_32 (input_bfd, x, contents + rel->r_offset);
3939 1.1 skrll
3940 1.1 skrll r = bfd_check_overflow (howto->complain_on_overflow,
3941 1.1 skrll howto->bitsize, howto->rightshift,
3942 1.1 skrll bfd_arch_bits_per_address (input_bfd),
3943 1.1 skrll relocation);
3944 1.1 skrll }
3945 1.1 skrll else if (r_type == R_SPARC_WDISP16)
3946 1.1 skrll {
3947 1.1 skrll bfd_vma x;
3948 1.1 skrll
3949 1.1 skrll relocation += rel->r_addend;
3950 1.1 skrll relocation -= (input_section->output_section->vma
3951 1.1 skrll + input_section->output_offset);
3952 1.1 skrll relocation -= rel->r_offset;
3953 1.1 skrll
3954 1.1 skrll x = bfd_get_32 (input_bfd, contents + rel->r_offset);
3955 1.1 skrll x |= ((((relocation >> 2) & 0xc000) << 6)
3956 1.1 skrll | ((relocation >> 2) & 0x3fff));
3957 1.1 skrll bfd_put_32 (input_bfd, x, contents + rel->r_offset);
3958 1.1 skrll
3959 1.6 christos r = bfd_check_overflow (howto->complain_on_overflow,
3960 1.6 christos howto->bitsize, howto->rightshift,
3961 1.6 christos bfd_arch_bits_per_address (input_bfd),
3962 1.6 christos relocation);
3963 1.6 christos }
3964 1.6 christos else if (r_type == R_SPARC_WDISP10)
3965 1.6 christos {
3966 1.6 christos bfd_vma x;
3967 1.6 christos
3968 1.6 christos relocation += rel->r_addend;
3969 1.6 christos relocation -= (input_section->output_section->vma
3970 1.6 christos + input_section->output_offset);
3971 1.6 christos relocation -= rel->r_offset;
3972 1.6 christos
3973 1.6 christos x = bfd_get_32 (input_bfd, contents + rel->r_offset);
3974 1.6 christos x |= ((((relocation >> 2) & 0x300) << 11)
3975 1.6 christos | (((relocation >> 2) & 0xff) << 5));
3976 1.6 christos bfd_put_32 (input_bfd, x, contents + rel->r_offset);
3977 1.6 christos
3978 1.1 skrll r = bfd_check_overflow (howto->complain_on_overflow,
3979 1.1 skrll howto->bitsize, howto->rightshift,
3980 1.1 skrll bfd_arch_bits_per_address (input_bfd),
3981 1.1 skrll relocation);
3982 1.1 skrll }
3983 1.1 skrll else if (r_type == R_SPARC_REV32)
3984 1.1 skrll {
3985 1.1 skrll bfd_vma x;
3986 1.1 skrll
3987 1.1 skrll relocation = relocation + rel->r_addend;
3988 1.1 skrll
3989 1.1 skrll x = bfd_get_32 (input_bfd, contents + rel->r_offset);
3990 1.1 skrll x = x + relocation;
3991 1.1 skrll bfd_putl32 (/*input_bfd,*/ x, contents + rel->r_offset);
3992 1.1 skrll r = bfd_reloc_ok;
3993 1.1 skrll }
3994 1.1 skrll else if (r_type == R_SPARC_TLS_LDO_HIX22
3995 1.1 skrll || r_type == R_SPARC_TLS_LE_HIX22)
3996 1.1 skrll {
3997 1.1 skrll bfd_vma x;
3998 1.1 skrll
3999 1.1 skrll relocation += rel->r_addend;
4000 1.1 skrll if (r_type == R_SPARC_TLS_LE_HIX22)
4001 1.1 skrll relocation ^= MINUS_ONE;
4002 1.1 skrll
4003 1.1 skrll x = bfd_get_32 (input_bfd, contents + rel->r_offset);
4004 1.1 skrll x = (x & ~(bfd_vma) 0x3fffff) | ((relocation >> 10) & 0x3fffff);
4005 1.1 skrll bfd_put_32 (input_bfd, x, contents + rel->r_offset);
4006 1.1 skrll r = bfd_reloc_ok;
4007 1.1 skrll }
4008 1.1 skrll else if (r_type == R_SPARC_TLS_LDO_LOX10
4009 1.1 skrll || r_type == R_SPARC_TLS_LE_LOX10)
4010 1.1 skrll {
4011 1.1 skrll bfd_vma x;
4012 1.1 skrll
4013 1.1 skrll relocation += rel->r_addend;
4014 1.1 skrll relocation &= 0x3ff;
4015 1.1 skrll if (r_type == R_SPARC_TLS_LE_LOX10)
4016 1.1 skrll relocation |= 0x1c00;
4017 1.1 skrll
4018 1.1 skrll x = bfd_get_32 (input_bfd, contents + rel->r_offset);
4019 1.3 christos x = (x & ~(bfd_vma) 0x1fff) | relocation;
4020 1.13 christos bfd_put_32 (input_bfd, x, contents + rel->r_offset);
4021 1.13 christos
4022 1.1 skrll r = bfd_reloc_ok;
4023 1.1 skrll }
4024 1.1 skrll else if (r_type == R_SPARC_HIX22
4025 1.1 skrll || r_type == R_SPARC_GOTDATA_HIX22
4026 1.3 christos || r_type == R_SPARC_GOTDATA_OP_HIX22)
4027 1.3 christos {
4028 1.3 christos bfd_vma x;
4029 1.1 skrll
4030 1.1 skrll relocation += rel->r_addend;
4031 1.1 skrll if (r_type == R_SPARC_HIX22
4032 1.1 skrll || (bfd_signed_vma) relocation < 0)
4033 1.1 skrll relocation = relocation ^ MINUS_ONE;
4034 1.1 skrll
4035 1.1 skrll x = bfd_get_32 (input_bfd, contents + rel->r_offset);
4036 1.1 skrll x = (x & ~(bfd_vma) 0x3fffff) | ((relocation >> 10) & 0x3fffff);
4037 1.1 skrll bfd_put_32 (input_bfd, x, contents + rel->r_offset);
4038 1.1 skrll
4039 1.3 christos r = bfd_check_overflow (howto->complain_on_overflow,
4040 1.13 christos howto->bitsize, howto->rightshift,
4041 1.13 christos bfd_arch_bits_per_address (input_bfd),
4042 1.1 skrll relocation);
4043 1.1 skrll }
4044 1.1 skrll else if (r_type == R_SPARC_LOX10
4045 1.1 skrll || r_type == R_SPARC_GOTDATA_LOX10
4046 1.3 christos || r_type == R_SPARC_GOTDATA_OP_LOX10)
4047 1.3 christos {
4048 1.3 christos bfd_vma x;
4049 1.3 christos
4050 1.3 christos relocation += rel->r_addend;
4051 1.1 skrll if (r_type == R_SPARC_LOX10
4052 1.1 skrll || (bfd_signed_vma) relocation < 0)
4053 1.1 skrll relocation = (relocation & 0x3ff) | 0x1c00;
4054 1.1 skrll else
4055 1.1 skrll relocation = (relocation & 0x3ff);
4056 1.1 skrll
4057 1.1 skrll x = bfd_get_32 (input_bfd, contents + rel->r_offset);
4058 1.1 skrll x = (x & ~(bfd_vma) 0x1fff) | relocation;
4059 1.1 skrll bfd_put_32 (input_bfd, x, contents + rel->r_offset);
4060 1.1 skrll
4061 1.1 skrll r = bfd_reloc_ok;
4062 1.1 skrll }
4063 1.1 skrll else if ((r_type == R_SPARC_WDISP30 || r_type == R_SPARC_WPLT30)
4064 1.1 skrll && sec_do_relax (input_section)
4065 1.1 skrll && rel->r_offset + 4 < input_section->size)
4066 1.1 skrll {
4067 1.1 skrll #define G0 0
4068 1.1 skrll #define O7 15
4069 1.1 skrll #define XCC (2 << 20)
4070 1.1 skrll #define COND(x) (((x)&0xf)<<25)
4071 1.1 skrll #define CONDA COND(0x8)
4072 1.1 skrll #define INSN_BPA (F2(0,1) | CONDA | BPRED | XCC)
4073 1.1 skrll #define INSN_BA (F2(0,2) | CONDA)
4074 1.1 skrll #define INSN_OR F3(2, 0x2, 0)
4075 1.1 skrll #define INSN_NOP F2(0,4)
4076 1.1 skrll
4077 1.1 skrll bfd_vma x, y;
4078 1.1 skrll
4079 1.1 skrll /* If the instruction is a call with either:
4080 1.1 skrll restore
4081 1.1 skrll arithmetic instruction with rd == %o7
4082 1.1 skrll where rs1 != %o7 and rs2 if it is register != %o7
4083 1.1 skrll then we can optimize if the call destination is near
4084 1.1 skrll by changing the call into a branch always. */
4085 1.1 skrll x = bfd_get_32 (input_bfd, contents + rel->r_offset);
4086 1.1 skrll y = bfd_get_32 (input_bfd, contents + rel->r_offset + 4);
4087 1.1 skrll if ((x & OP(~0)) == OP(1) && (y & OP(~0)) == OP(2))
4088 1.1 skrll {
4089 1.1 skrll if (((y & OP3(~0)) == OP3(0x3d) /* restore */
4090 1.1 skrll || ((y & OP3(0x28)) == 0 /* arithmetic */
4091 1.1 skrll && (y & RD(~0)) == RD(O7)))
4092 1.1 skrll && (y & RS1(~0)) != RS1(O7)
4093 1.1 skrll && ((y & F3I(~0))
4094 1.1 skrll || (y & RS2(~0)) != RS2(O7)))
4095 1.1 skrll {
4096 1.1 skrll bfd_vma reloc;
4097 1.1 skrll
4098 1.1 skrll reloc = relocation + rel->r_addend - rel->r_offset;
4099 1.1 skrll reloc -= (input_section->output_section->vma
4100 1.1 skrll + input_section->output_offset);
4101 1.1 skrll
4102 1.1 skrll /* Ensure the branch fits into simm22. */
4103 1.1 skrll if ((reloc & 3) == 0
4104 1.1 skrll && ((reloc & ~(bfd_vma)0x7fffff) == 0
4105 1.1 skrll || ((reloc | 0x7fffff) == ~(bfd_vma)0)))
4106 1.1 skrll {
4107 1.1 skrll reloc >>= 2;
4108 1.1 skrll
4109 1.1 skrll /* Check whether it fits into simm19. */
4110 1.1 skrll if (((reloc & 0x3c0000) == 0
4111 1.1 skrll || (reloc & 0x3c0000) == 0x3c0000)
4112 1.1 skrll && (ABI_64_P (output_bfd)
4113 1.1 skrll || elf_elfheader (output_bfd)->e_flags & EF_SPARC_32PLUS))
4114 1.1 skrll x = INSN_BPA | (reloc & 0x7ffff); /* ba,pt %xcc */
4115 1.1 skrll else
4116 1.1 skrll x = INSN_BA | (reloc & 0x3fffff); /* ba */
4117 1.1 skrll bfd_put_32 (input_bfd, x, contents + rel->r_offset);
4118 1.1 skrll r = bfd_reloc_ok;
4119 1.1 skrll if (rel->r_offset >= 4
4120 1.1 skrll && (y & (0xffffffff ^ RS1(~0)))
4121 1.1 skrll == (INSN_OR | RD(O7) | RS2(G0)))
4122 1.1 skrll {
4123 1.1 skrll bfd_vma z;
4124 1.1 skrll unsigned int reg;
4125 1.13 christos
4126 1.1 skrll z = bfd_get_32 (input_bfd,
4127 1.1 skrll contents + rel->r_offset - 4);
4128 1.1 skrll if ((z & (0xffffffff ^ RD(~0)))
4129 1.1 skrll != (INSN_OR | RS1(O7) | RS2(G0)))
4130 1.1 skrll continue;
4131 1.1 skrll
4132 1.1 skrll /* The sequence was
4133 1.1 skrll or %o7, %g0, %rN
4134 1.1 skrll call foo
4135 1.1 skrll or %rN, %g0, %o7
4136 1.1 skrll
4137 1.1 skrll If call foo was replaced with ba, replace
4138 1.13 christos or %rN, %g0, %o7 with nop. */
4139 1.1 skrll
4140 1.1 skrll reg = (y & RS1(~0)) >> 14;
4141 1.1 skrll if (reg != ((z & RD(~0)) >> 25)
4142 1.1 skrll || reg == G0 || reg == O7)
4143 1.1 skrll continue;
4144 1.1 skrll
4145 1.1 skrll bfd_put_32 (input_bfd, (bfd_vma) INSN_NOP,
4146 1.1 skrll contents + rel->r_offset + 4);
4147 1.1 skrll }
4148 1.1 skrll
4149 1.1 skrll }
4150 1.3 christos }
4151 1.3 christos }
4152 1.3 christos }
4153 1.3 christos
4154 1.3 christos if (r == bfd_reloc_continue)
4155 1.3 christos {
4156 1.1 skrll do_relocation:
4157 1.1 skrll r = _bfd_final_link_relocate (howto, input_bfd, input_section,
4158 1.1 skrll contents, rel->r_offset,
4159 1.1 skrll relocation, rel->r_addend);
4160 1.1 skrll }
4161 1.1 skrll if (r != bfd_reloc_ok)
4162 1.1 skrll {
4163 1.1 skrll switch (r)
4164 1.1 skrll {
4165 1.1 skrll default:
4166 1.1 skrll case bfd_reloc_outofrange:
4167 1.7 christos abort ();
4168 1.1 skrll case bfd_reloc_overflow:
4169 1.1 skrll {
4170 1.1 skrll const char *name;
4171 1.6 christos
4172 1.6 christos /* The Solaris native linker silently disregards overflows.
4173 1.6 christos We don't, but this breaks stabs debugging info, whose
4174 1.1 skrll relocations are only 32-bits wide. Ignore overflows in
4175 1.1 skrll this case and also for discarded entries. */
4176 1.1 skrll if ((r_type == R_SPARC_32
4177 1.1 skrll || r_type == R_SPARC_UA32
4178 1.1 skrll || r_type == R_SPARC_DISP32)
4179 1.1 skrll && (((input_section->flags & SEC_DEBUGGING) != 0
4180 1.1 skrll && strcmp (bfd_section_name (input_bfd,
4181 1.1 skrll input_section),
4182 1.1 skrll ".stab") == 0)
4183 1.1 skrll || _bfd_elf_section_offset (output_bfd, info,
4184 1.1 skrll input_section,
4185 1.1 skrll rel->r_offset)
4186 1.1 skrll == (bfd_vma)-1))
4187 1.1 skrll break;
4188 1.1 skrll
4189 1.1 skrll if (h != NULL)
4190 1.1 skrll {
4191 1.1 skrll /* Assume this is a call protected by other code that
4192 1.1 skrll detect the symbol is undefined. If this is the case,
4193 1.1 skrll we can safely ignore the overflow. If not, the
4194 1.1 skrll program is hosed anyway, and a little warning isn't
4195 1.13 christos going to help. */
4196 1.1 skrll if (h->root.type == bfd_link_hash_undefweak
4197 1.1 skrll && howto->pc_relative)
4198 1.1 skrll break;
4199 1.1 skrll
4200 1.1 skrll name = NULL;
4201 1.1 skrll }
4202 1.1 skrll else
4203 1.1 skrll {
4204 1.1 skrll name = bfd_elf_string_from_elf_section (input_bfd,
4205 1.1 skrll symtab_hdr->sh_link,
4206 1.1 skrll sym->st_name);
4207 1.11 christos if (name == NULL)
4208 1.11 christos return FALSE;
4209 1.11 christos if (*name == '\0')
4210 1.1 skrll name = bfd_section_name (input_bfd, sec);
4211 1.1 skrll }
4212 1.1 skrll (*info->callbacks->reloc_overflow)
4213 1.1 skrll (info, (h ? &h->root : NULL), name, howto->name,
4214 1.1 skrll (bfd_vma) 0, input_bfd, input_section, rel->r_offset);
4215 1.1 skrll }
4216 1.1 skrll break;
4217 1.1 skrll }
4218 1.1 skrll }
4219 1.1 skrll }
4220 1.1 skrll
4221 1.1 skrll return TRUE;
4222 1.1 skrll }
4223 1.1 skrll
4224 1.1 skrll /* Build a VxWorks PLT entry. PLT_INDEX is the index of the PLT entry
4225 1.1 skrll and PLT_OFFSET is the byte offset from the start of .plt. GOT_OFFSET
4226 1.1 skrll is the offset of the associated .got.plt entry from
4227 1.1 skrll _GLOBAL_OFFSET_TABLE_. */
4228 1.1 skrll
4229 1.1 skrll static void
4230 1.1 skrll sparc_vxworks_build_plt_entry (bfd *output_bfd, struct bfd_link_info *info,
4231 1.1 skrll bfd_vma plt_offset, bfd_vma plt_index,
4232 1.1 skrll bfd_vma got_offset)
4233 1.1 skrll {
4234 1.1 skrll bfd_vma got_base;
4235 1.1 skrll const bfd_vma *plt_entry;
4236 1.3 christos struct _bfd_sparc_elf_link_hash_table *htab;
4237 1.3 christos bfd_byte *loc;
4238 1.7 christos Elf_Internal_Rela rela;
4239 1.1 skrll
4240 1.1 skrll htab = _bfd_sparc_elf_hash_table (info);
4241 1.1 skrll BFD_ASSERT (htab != NULL);
4242 1.1 skrll
4243 1.1 skrll if (bfd_link_pic (info))
4244 1.1 skrll {
4245 1.1 skrll plt_entry = sparc_vxworks_shared_plt_entry;
4246 1.1 skrll got_base = 0;
4247 1.1 skrll }
4248 1.1 skrll else
4249 1.1 skrll {
4250 1.1 skrll plt_entry = sparc_vxworks_exec_plt_entry;
4251 1.1 skrll got_base = (htab->elf.hgot->root.u.def.value
4252 1.1 skrll + htab->elf.hgot->root.u.def.section->output_offset
4253 1.3 christos + htab->elf.hgot->root.u.def.section->output_section->vma);
4254 1.1 skrll }
4255 1.3 christos
4256 1.1 skrll /* Fill in the entry in the procedure linkage table. */
4257 1.3 christos bfd_put_32 (output_bfd, plt_entry[0] + ((got_base + got_offset) >> 10),
4258 1.1 skrll htab->elf.splt->contents + plt_offset);
4259 1.3 christos bfd_put_32 (output_bfd, plt_entry[1] + ((got_base + got_offset) & 0x3ff),
4260 1.1 skrll htab->elf.splt->contents + plt_offset + 4);
4261 1.3 christos bfd_put_32 (output_bfd, plt_entry[2],
4262 1.1 skrll htab->elf.splt->contents + plt_offset + 8);
4263 1.3 christos bfd_put_32 (output_bfd, plt_entry[3],
4264 1.1 skrll htab->elf.splt->contents + plt_offset + 12);
4265 1.1 skrll bfd_put_32 (output_bfd, plt_entry[4],
4266 1.1 skrll htab->elf.splt->contents + plt_offset + 16);
4267 1.1 skrll bfd_put_32 (output_bfd, plt_entry[5] + (plt_index >> 10),
4268 1.3 christos htab->elf.splt->contents + plt_offset + 20);
4269 1.1 skrll /* PC-relative displacement for a branch to the start of
4270 1.3 christos the PLT section. */
4271 1.1 skrll bfd_put_32 (output_bfd, plt_entry[6] + (((-plt_offset - 24) >> 2)
4272 1.1 skrll & 0x003fffff),
4273 1.1 skrll htab->elf.splt->contents + plt_offset + 24);
4274 1.3 christos bfd_put_32 (output_bfd, plt_entry[7] + (plt_index & 0x3ff),
4275 1.1 skrll htab->elf.splt->contents + plt_offset + 28);
4276 1.3 christos
4277 1.3 christos /* Fill in the .got.plt entry, pointing initially at the
4278 1.1 skrll second half of the PLT entry. */
4279 1.3 christos BFD_ASSERT (htab->elf.sgotplt != NULL);
4280 1.1 skrll bfd_put_32 (output_bfd,
4281 1.1 skrll htab->elf.splt->output_section->vma
4282 1.7 christos + htab->elf.splt->output_offset
4283 1.1 skrll + plt_offset + 20,
4284 1.1 skrll htab->elf.sgotplt->contents + got_offset);
4285 1.1 skrll
4286 1.1 skrll /* Add relocations to .rela.plt.unloaded. */
4287 1.1 skrll if (!bfd_link_pic (info))
4288 1.3 christos {
4289 1.3 christos loc = (htab->srelplt2->contents
4290 1.1 skrll + (2 + 3 * plt_index) * sizeof (Elf32_External_Rela));
4291 1.1 skrll
4292 1.1 skrll /* Relocate the initial sethi. */
4293 1.1 skrll rela.r_offset = (htab->elf.splt->output_section->vma
4294 1.1 skrll + htab->elf.splt->output_offset
4295 1.1 skrll + plt_offset);
4296 1.1 skrll rela.r_info = ELF32_R_INFO (htab->elf.hgot->indx, R_SPARC_HI22);
4297 1.1 skrll rela.r_addend = got_offset;
4298 1.1 skrll bfd_elf32_swap_reloca_out (output_bfd, &rela, loc);
4299 1.1 skrll loc += sizeof (Elf32_External_Rela);
4300 1.1 skrll
4301 1.1 skrll /* Likewise the following or. */
4302 1.1 skrll rela.r_offset += 4;
4303 1.3 christos rela.r_info = ELF32_R_INFO (htab->elf.hgot->indx, R_SPARC_LO10);
4304 1.3 christos bfd_elf32_swap_reloca_out (output_bfd, &rela, loc);
4305 1.1 skrll loc += sizeof (Elf32_External_Rela);
4306 1.1 skrll
4307 1.1 skrll /* Relocate the .got.plt entry. */
4308 1.1 skrll rela.r_offset = (htab->elf.sgotplt->output_section->vma
4309 1.1 skrll + htab->elf.sgotplt->output_offset
4310 1.1 skrll + got_offset);
4311 1.1 skrll rela.r_info = ELF32_R_INFO (htab->elf.hplt->indx, R_SPARC_32);
4312 1.1 skrll rela.r_addend = plt_offset + 20;
4313 1.1 skrll bfd_elf32_swap_reloca_out (output_bfd, &rela, loc);
4314 1.1 skrll }
4315 1.1 skrll }
4316 1.1 skrll
4317 1.1 skrll /* Finish up dynamic symbol handling. We set the contents of various
4318 1.1 skrll dynamic sections here. */
4319 1.1 skrll
4320 1.1 skrll bfd_boolean
4321 1.1 skrll _bfd_sparc_elf_finish_dynamic_symbol (bfd *output_bfd,
4322 1.1 skrll struct bfd_link_info *info,
4323 1.13 christos struct elf_link_hash_entry *h,
4324 1.13 christos Elf_Internal_Sym *sym)
4325 1.1 skrll {
4326 1.1 skrll struct _bfd_sparc_elf_link_hash_table *htab;
4327 1.3 christos const struct elf_backend_data *bed;
4328 1.1 skrll struct _bfd_sparc_elf_link_hash_entry *eh;
4329 1.1 skrll bfd_boolean local_undefweak;
4330 1.13 christos
4331 1.13 christos htab = _bfd_sparc_elf_hash_table (info);
4332 1.13 christos BFD_ASSERT (htab != NULL);
4333 1.13 christos bed = get_elf_backend_data (output_bfd);
4334 1.13 christos
4335 1.13 christos eh = (struct _bfd_sparc_elf_link_hash_entry *) h;
4336 1.13 christos
4337 1.1 skrll /* We keep PLT/GOT entries without dynamic PLT/GOT relocations for
4338 1.1 skrll resolved undefined weak symbols in executable so that their
4339 1.1 skrll references have value 0 at run-time. */
4340 1.1 skrll local_undefweak = UNDEFINED_WEAK_RESOLVED_TO_ZERO (info, eh);
4341 1.1 skrll
4342 1.1 skrll if (h->plt.offset != (bfd_vma) -1)
4343 1.1 skrll {
4344 1.1 skrll asection *splt;
4345 1.1 skrll asection *srela;
4346 1.3 christos Elf_Internal_Rela rela;
4347 1.3 christos bfd_byte *loc;
4348 1.3 christos bfd_vma r_offset, got_offset;
4349 1.3 christos int rela_index;
4350 1.3 christos
4351 1.3 christos /* When building a static executable, use .iplt and
4352 1.3 christos .rela.iplt sections for STT_GNU_IFUNC symbols. */
4353 1.3 christos if (htab->elf.splt != NULL)
4354 1.3 christos {
4355 1.3 christos splt = htab->elf.splt;
4356 1.3 christos srela = htab->elf.srelplt;
4357 1.3 christos }
4358 1.1 skrll else
4359 1.3 christos {
4360 1.3 christos splt = htab->elf.iplt;
4361 1.1 skrll srela = htab->elf.irelplt;
4362 1.1 skrll }
4363 1.1 skrll
4364 1.1 skrll if (splt == NULL || srela == NULL)
4365 1.1 skrll abort ();
4366 1.1 skrll
4367 1.1 skrll /* Fill in the entry in the .rela.plt section. */
4368 1.1 skrll if (htab->is_vxworks)
4369 1.1 skrll {
4370 1.1 skrll /* Work out the index of this PLT entry. */
4371 1.1 skrll rela_index = ((h->plt.offset - htab->plt_header_size)
4372 1.1 skrll / htab->plt_entry_size);
4373 1.1 skrll
4374 1.1 skrll /* Calculate the offset of the associated .got.plt entry.
4375 1.1 skrll The first three entries are reserved. */
4376 1.1 skrll got_offset = (rela_index + 3) * 4;
4377 1.1 skrll
4378 1.1 skrll sparc_vxworks_build_plt_entry (output_bfd, info, h->plt.offset,
4379 1.3 christos rela_index, got_offset);
4380 1.3 christos
4381 1.1 skrll
4382 1.1 skrll /* On VxWorks, the relocation points to the .got.plt entry,
4383 1.3 christos not the .plt entry. */
4384 1.3 christos rela.r_offset = (htab->elf.sgotplt->output_section->vma
4385 1.1 skrll + htab->elf.sgotplt->output_offset
4386 1.1 skrll + got_offset);
4387 1.1 skrll rela.r_addend = 0;
4388 1.3 christos rela.r_info = SPARC_ELF_R_INFO (htab, NULL, h->dynindx,
4389 1.3 christos R_SPARC_JMP_SLOT);
4390 1.1 skrll }
4391 1.1 skrll else
4392 1.1 skrll {
4393 1.1 skrll bfd_boolean ifunc = FALSE;
4394 1.1 skrll
4395 1.3 christos /* Fill in the entry in the procedure linkage table. */
4396 1.3 christos rela_index = SPARC_ELF_BUILD_PLT_ENTRY (htab, output_bfd, splt,
4397 1.7 christos h->plt.offset, splt->size,
4398 1.3 christos &r_offset);
4399 1.3 christos
4400 1.3 christos if (h == NULL
4401 1.3 christos || h->dynindx == -1
4402 1.3 christos || ((bfd_link_executable (info)
4403 1.3 christos || ELF_ST_VISIBILITY (h->other) != STV_DEFAULT)
4404 1.3 christos && h->def_regular
4405 1.3 christos && h->type == STT_GNU_IFUNC))
4406 1.3 christos {
4407 1.3 christos ifunc = TRUE;
4408 1.3 christos BFD_ASSERT (h == NULL
4409 1.3 christos || (h->type == STT_GNU_IFUNC
4410 1.1 skrll && h->def_regular
4411 1.1 skrll && (h->root.type == bfd_link_hash_defined
4412 1.3 christos || h->root.type == bfd_link_hash_defweak)));
4413 1.3 christos }
4414 1.1 skrll
4415 1.3 christos rela.r_offset = r_offset
4416 1.3 christos + (splt->output_section->vma + splt->output_offset);
4417 1.3 christos if (ABI_64_P (output_bfd)
4418 1.3 christos && h->plt.offset >= (PLT64_LARGE_THRESHOLD * PLT64_ENTRY_SIZE))
4419 1.3 christos {
4420 1.3 christos if (ifunc)
4421 1.3 christos {
4422 1.3 christos rela.r_addend = (h->root.u.def.section->output_section->vma
4423 1.3 christos + h->root.u.def.section->output_offset
4424 1.3 christos + h->root.u.def.value);
4425 1.3 christos rela.r_info = SPARC_ELF_R_INFO (htab, NULL, 0,
4426 1.3 christos R_SPARC_IRELATIVE);
4427 1.3 christos }
4428 1.3 christos else
4429 1.3 christos {
4430 1.3 christos rela.r_addend = (-(h->plt.offset + 4)
4431 1.1 skrll - splt->output_section->vma
4432 1.1 skrll - splt->output_offset);
4433 1.1 skrll rela.r_info = SPARC_ELF_R_INFO (htab, NULL, h->dynindx,
4434 1.3 christos R_SPARC_JMP_SLOT);
4435 1.3 christos }
4436 1.3 christos }
4437 1.3 christos else
4438 1.3 christos {
4439 1.3 christos if (ifunc)
4440 1.3 christos {
4441 1.3 christos rela.r_addend = (h->root.u.def.section->output_section->vma
4442 1.3 christos + h->root.u.def.section->output_offset
4443 1.3 christos + h->root.u.def.value);
4444 1.3 christos rela.r_info = SPARC_ELF_R_INFO (htab, NULL, 0,
4445 1.3 christos R_SPARC_JMP_IREL);
4446 1.3 christos }
4447 1.3 christos else
4448 1.1 skrll {
4449 1.1 skrll rela.r_addend = 0;
4450 1.1 skrll rela.r_info = SPARC_ELF_R_INFO (htab, NULL, h->dynindx,
4451 1.1 skrll R_SPARC_JMP_SLOT);
4452 1.1 skrll }
4453 1.1 skrll }
4454 1.1 skrll }
4455 1.1 skrll
4456 1.1 skrll /* Adjust for the first 4 reserved elements in the .plt section
4457 1.1 skrll when setting the offset in the .rela.plt section.
4458 1.1 skrll Sun forgot to read their own ABI and copied elf32-sparc behaviour,
4459 1.1 skrll thus .plt[4] has corresponding .rela.plt[0] and so on. */
4460 1.13 christos
4461 1.13 christos loc = srela->contents;
4462 1.1 skrll loc += rela_index * bed->s->sizeof_rela;
4463 1.1 skrll bed->s->swap_reloca_out (output_bfd, &rela, loc);
4464 1.1 skrll
4465 1.1 skrll if (!local_undefweak
4466 1.1 skrll && !h->def_regular)
4467 1.1 skrll {
4468 1.1 skrll /* Mark the symbol as undefined, rather than as defined in
4469 1.1 skrll the .plt section. Leave the value alone. */
4470 1.1 skrll sym->st_shndx = SHN_UNDEF;
4471 1.1 skrll /* If the symbol is weak, we do need to clear the value.
4472 1.1 skrll Otherwise, the PLT entry would provide a definition for
4473 1.1 skrll the symbol even if the symbol wasn't defined anywhere,
4474 1.1 skrll and so the symbol would never be NULL. */
4475 1.13 christos if (!h->ref_regular_nonweak)
4476 1.13 christos sym->st_value = 0;
4477 1.1 skrll }
4478 1.1 skrll }
4479 1.13 christos
4480 1.13 christos /* Don't generate dynamic GOT relocation against undefined weak
4481 1.1 skrll symbol in executable. */
4482 1.1 skrll if (h->got.offset != (bfd_vma) -1
4483 1.1 skrll && _bfd_sparc_elf_hash_entry(h)->tls_type != GOT_TLS_GD
4484 1.1 skrll && _bfd_sparc_elf_hash_entry(h)->tls_type != GOT_TLS_IE
4485 1.1 skrll && !local_undefweak)
4486 1.1 skrll {
4487 1.1 skrll asection *sgot;
4488 1.3 christos asection *srela;
4489 1.3 christos Elf_Internal_Rela rela;
4490 1.1 skrll
4491 1.1 skrll /* This symbol has an entry in the GOT. Set it up. */
4492 1.1 skrll
4493 1.1 skrll sgot = htab->elf.sgot;
4494 1.1 skrll srela = htab->elf.srelgot;
4495 1.1 skrll BFD_ASSERT (sgot != NULL && srela != NULL);
4496 1.1 skrll
4497 1.1 skrll rela.r_offset = (sgot->output_section->vma
4498 1.1 skrll + sgot->output_offset
4499 1.1 skrll + (h->got.offset &~ (bfd_vma) 1));
4500 1.1 skrll
4501 1.7 christos /* If this is a -Bsymbolic link, and the symbol is defined
4502 1.3 christos locally, we just want to emit a RELATIVE reloc. Likewise if
4503 1.1 skrll the symbol was forced to be local because of a version file.
4504 1.1 skrll The entry in the global offset table will already have been
4505 1.3 christos initialized in the relocate_section function. */
4506 1.3 christos if (! bfd_link_pic (info)
4507 1.3 christos && h->type == STT_GNU_IFUNC
4508 1.3 christos && h->def_regular)
4509 1.3 christos {
4510 1.3 christos asection *plt;
4511 1.3 christos
4512 1.3 christos /* We load the GOT entry with the PLT entry. */
4513 1.3 christos plt = htab->elf.splt ? htab->elf.splt : htab->elf.iplt;
4514 1.3 christos SPARC_ELF_PUT_WORD (htab, output_bfd,
4515 1.3 christos (plt->output_section->vma
4516 1.7 christos + plt->output_offset + h->plt.offset),
4517 1.3 christos htab->elf.sgot->contents
4518 1.3 christos + (h->got.offset & ~(bfd_vma) 1));
4519 1.1 skrll return TRUE;
4520 1.3 christos }
4521 1.3 christos else if (bfd_link_pic (info)
4522 1.3 christos && SYMBOL_REFERENCES_LOCAL (info, h))
4523 1.3 christos {
4524 1.1 skrll asection *sec = h->root.u.def.section;
4525 1.1 skrll if (h->type == STT_GNU_IFUNC)
4526 1.1 skrll rela.r_info = SPARC_ELF_R_INFO (htab, NULL, 0, R_SPARC_IRELATIVE);
4527 1.1 skrll else
4528 1.1 skrll rela.r_info = SPARC_ELF_R_INFO (htab, NULL, 0, R_SPARC_RELATIVE);
4529 1.1 skrll rela.r_addend = (h->root.u.def.value
4530 1.1 skrll + sec->output_section->vma
4531 1.1 skrll + sec->output_offset);
4532 1.1 skrll }
4533 1.1 skrll else
4534 1.1 skrll {
4535 1.1 skrll rela.r_info = SPARC_ELF_R_INFO (htab, NULL, h->dynindx, R_SPARC_GLOB_DAT);
4536 1.1 skrll rela.r_addend = 0;
4537 1.1 skrll }
4538 1.1 skrll
4539 1.1 skrll SPARC_ELF_PUT_WORD (htab, output_bfd, 0,
4540 1.1 skrll sgot->contents + (h->got.offset & ~(bfd_vma) 1));
4541 1.1 skrll sparc_elf_append_rela (output_bfd, srela, &rela);
4542 1.1 skrll }
4543 1.1 skrll
4544 1.1 skrll if (h->needs_copy)
4545 1.1 skrll {
4546 1.1 skrll asection *s;
4547 1.1 skrll Elf_Internal_Rela rela;
4548 1.1 skrll
4549 1.1 skrll /* This symbols needs a copy reloc. Set it up. */
4550 1.1 skrll BFD_ASSERT (h->dynindx != -1);
4551 1.1 skrll
4552 1.13 christos rela.r_offset = (h->root.u.def.value
4553 1.13 christos + h->root.u.def.section->output_section->vma
4554 1.13 christos + h->root.u.def.section->output_offset);
4555 1.13 christos rela.r_info = SPARC_ELF_R_INFO (htab, NULL, h->dynindx, R_SPARC_COPY);
4556 1.1 skrll rela.r_addend = 0;
4557 1.1 skrll if (h->root.u.def.section == htab->elf.sdynrelro)
4558 1.1 skrll s = htab->elf.sreldynrelro;
4559 1.1 skrll else
4560 1.1 skrll s = htab->elf.srelbss;
4561 1.1 skrll sparc_elf_append_rela (output_bfd, s, &rela);
4562 1.3 christos }
4563 1.7 christos
4564 1.3 christos /* Mark some specially defined symbols as absolute. On VxWorks,
4565 1.3 christos _GLOBAL_OFFSET_TABLE_ is not absolute: it is relative to the
4566 1.1 skrll ".got" section. Likewise _PROCEDURE_LINKAGE_TABLE_ and ".plt". */
4567 1.1 skrll if (sym != NULL
4568 1.1 skrll && (h == htab->elf.hdynamic
4569 1.1 skrll || (!htab->is_vxworks
4570 1.1 skrll && (h == htab->elf.hgot || h == htab->elf.hplt))))
4571 1.1 skrll sym->st_shndx = SHN_ABS;
4572 1.1 skrll
4573 1.1 skrll return TRUE;
4574 1.1 skrll }
4575 1.1 skrll
4576 1.1 skrll /* Finish up the dynamic sections. */
4577 1.1 skrll
4578 1.1 skrll static bfd_boolean
4579 1.1 skrll sparc_finish_dyn (bfd *output_bfd, struct bfd_link_info *info,
4580 1.1 skrll bfd *dynobj, asection *sdyn,
4581 1.1 skrll asection *splt ATTRIBUTE_UNUSED)
4582 1.1 skrll {
4583 1.1 skrll struct _bfd_sparc_elf_link_hash_table *htab;
4584 1.1 skrll const struct elf_backend_data *bed;
4585 1.1 skrll bfd_byte *dyncon, *dynconend;
4586 1.3 christos size_t dynsize;
4587 1.1 skrll int stt_regidx = -1;
4588 1.1 skrll bfd_boolean abi_64_p;
4589 1.1 skrll
4590 1.1 skrll htab = _bfd_sparc_elf_hash_table (info);
4591 1.1 skrll BFD_ASSERT (htab != NULL);
4592 1.1 skrll bed = get_elf_backend_data (output_bfd);
4593 1.1 skrll dynsize = bed->s->sizeof_dyn;
4594 1.1 skrll dynconend = sdyn->contents + sdyn->size;
4595 1.1 skrll abi_64_p = ABI_64_P (output_bfd);
4596 1.1 skrll for (dyncon = sdyn->contents; dyncon < dynconend; dyncon += dynsize)
4597 1.1 skrll {
4598 1.13 christos Elf_Internal_Dyn dyn;
4599 1.1 skrll bfd_boolean size;
4600 1.1 skrll
4601 1.1 skrll bed->s->swap_dyn_in (dynobj, dyncon, &dyn);
4602 1.3 christos
4603 1.1 skrll if (htab->is_vxworks && dyn.d_tag == DT_PLTGOT)
4604 1.3 christos {
4605 1.3 christos /* On VxWorks, DT_PLTGOT should point to the start of the GOT,
4606 1.1 skrll not to the start of the PLT. */
4607 1.1 skrll if (htab->elf.sgotplt)
4608 1.1 skrll {
4609 1.1 skrll dyn.d_un.d_val = (htab->elf.sgotplt->output_section->vma
4610 1.1 skrll + htab->elf.sgotplt->output_offset);
4611 1.1 skrll bed->s->swap_dyn_out (output_bfd, &dyn, dyncon);
4612 1.1 skrll }
4613 1.1 skrll }
4614 1.1 skrll else if (htab->is_vxworks
4615 1.1 skrll && elf_vxworks_finish_dynamic_entry (output_bfd, &dyn))
4616 1.1 skrll bed->s->swap_dyn_out (output_bfd, &dyn, dyncon);
4617 1.1 skrll else if (abi_64_p && dyn.d_tag == DT_SPARC_REGISTER)
4618 1.1 skrll {
4619 1.1 skrll if (stt_regidx == -1)
4620 1.1 skrll {
4621 1.1 skrll stt_regidx =
4622 1.1 skrll _bfd_elf_link_lookup_local_dynindx (info, output_bfd, -1);
4623 1.1 skrll if (stt_regidx == -1)
4624 1.1 skrll return FALSE;
4625 1.1 skrll }
4626 1.13 christos dyn.d_un.d_val = stt_regidx++;
4627 1.13 christos bed->s->swap_dyn_out (output_bfd, &dyn, dyncon);
4628 1.1 skrll }
4629 1.1 skrll else
4630 1.13 christos {
4631 1.13 christos asection *s;
4632 1.13 christos
4633 1.13 christos switch (dyn.d_tag)
4634 1.13 christos {
4635 1.13 christos case DT_PLTGOT:
4636 1.13 christos s = htab->elf.splt;
4637 1.13 christos size = FALSE;
4638 1.13 christos break;
4639 1.13 christos case DT_PLTRELSZ:
4640 1.13 christos s = htab->elf.srelplt;
4641 1.13 christos size = TRUE;
4642 1.13 christos break;
4643 1.13 christos case DT_JMPREL:
4644 1.1 skrll s = htab->elf.srelplt;
4645 1.1 skrll size = FALSE;
4646 1.13 christos break;
4647 1.13 christos default:
4648 1.13 christos continue;
4649 1.1 skrll }
4650 1.13 christos
4651 1.13 christos if (s == NULL)
4652 1.1 skrll dyn.d_un.d_val = 0;
4653 1.13 christos else
4654 1.1 skrll {
4655 1.13 christos if (!size)
4656 1.1 skrll dyn.d_un.d_ptr = s->output_section->vma + s->output_offset;
4657 1.1 skrll else
4658 1.1 skrll dyn.d_un.d_val = s->size;
4659 1.1 skrll }
4660 1.1 skrll bed->s->swap_dyn_out (output_bfd, &dyn, dyncon);
4661 1.1 skrll }
4662 1.1 skrll }
4663 1.1 skrll return TRUE;
4664 1.1 skrll }
4665 1.1 skrll
4666 1.1 skrll /* Install the first PLT entry in a VxWorks executable and make sure that
4667 1.1 skrll .rela.plt.unloaded relocations have the correct symbol indexes. */
4668 1.1 skrll
4669 1.1 skrll static void
4670 1.1 skrll sparc_vxworks_finish_exec_plt (bfd *output_bfd, struct bfd_link_info *info)
4671 1.1 skrll {
4672 1.1 skrll struct _bfd_sparc_elf_link_hash_table *htab;
4673 1.3 christos Elf_Internal_Rela rela;
4674 1.1 skrll bfd_vma got_base;
4675 1.1 skrll bfd_byte *loc;
4676 1.1 skrll
4677 1.1 skrll htab = _bfd_sparc_elf_hash_table (info);
4678 1.1 skrll BFD_ASSERT (htab != NULL);
4679 1.1 skrll
4680 1.1 skrll /* Calculate the absolute value of _GLOBAL_OFFSET_TABLE_. */
4681 1.1 skrll got_base = (htab->elf.hgot->root.u.def.section->output_section->vma
4682 1.1 skrll + htab->elf.hgot->root.u.def.section->output_offset
4683 1.3 christos + htab->elf.hgot->root.u.def.value);
4684 1.1 skrll
4685 1.1 skrll /* Install the initial PLT entry. */
4686 1.3 christos bfd_put_32 (output_bfd,
4687 1.1 skrll sparc_vxworks_exec_plt0_entry[0] + ((got_base + 8) >> 10),
4688 1.1 skrll htab->elf.splt->contents);
4689 1.3 christos bfd_put_32 (output_bfd,
4690 1.1 skrll sparc_vxworks_exec_plt0_entry[1] + ((got_base + 8) & 0x3ff),
4691 1.1 skrll htab->elf.splt->contents + 4);
4692 1.3 christos bfd_put_32 (output_bfd,
4693 1.1 skrll sparc_vxworks_exec_plt0_entry[2],
4694 1.1 skrll htab->elf.splt->contents + 8);
4695 1.3 christos bfd_put_32 (output_bfd,
4696 1.1 skrll sparc_vxworks_exec_plt0_entry[3],
4697 1.1 skrll htab->elf.splt->contents + 12);
4698 1.1 skrll bfd_put_32 (output_bfd,
4699 1.1 skrll sparc_vxworks_exec_plt0_entry[4],
4700 1.3 christos htab->elf.splt->contents + 16);
4701 1.3 christos
4702 1.1 skrll loc = htab->srelplt2->contents;
4703 1.1 skrll
4704 1.1 skrll /* Add an unloaded relocation for the initial entry's "sethi". */
4705 1.1 skrll rela.r_offset = (htab->elf.splt->output_section->vma
4706 1.1 skrll + htab->elf.splt->output_offset);
4707 1.1 skrll rela.r_info = ELF32_R_INFO (htab->elf.hgot->indx, R_SPARC_HI22);
4708 1.1 skrll rela.r_addend = 8;
4709 1.1 skrll bfd_elf32_swap_reloca_out (output_bfd, &rela, loc);
4710 1.1 skrll loc += sizeof (Elf32_External_Rela);
4711 1.1 skrll
4712 1.1 skrll /* Likewise the following "or". */
4713 1.1 skrll rela.r_offset += 4;
4714 1.1 skrll rela.r_info = ELF32_R_INFO (htab->elf.hgot->indx, R_SPARC_LO10);
4715 1.1 skrll bfd_elf32_swap_reloca_out (output_bfd, &rela, loc);
4716 1.1 skrll loc += sizeof (Elf32_External_Rela);
4717 1.1 skrll
4718 1.1 skrll /* Fix up the remaining .rela.plt.unloaded relocations. They may have
4719 1.1 skrll the wrong symbol index for _G_O_T_ or _P_L_T_ depending on the order
4720 1.1 skrll in which symbols were output. */
4721 1.1 skrll while (loc < htab->srelplt2->contents + htab->srelplt2->size)
4722 1.1 skrll {
4723 1.1 skrll Elf_Internal_Rela rel;
4724 1.1 skrll
4725 1.1 skrll /* The entry's initial "sethi" (against _G_O_T_). */
4726 1.1 skrll bfd_elf32_swap_reloc_in (output_bfd, loc, &rel);
4727 1.1 skrll rel.r_info = ELF32_R_INFO (htab->elf.hgot->indx, R_SPARC_HI22);
4728 1.1 skrll bfd_elf32_swap_reloc_out (output_bfd, &rel, loc);
4729 1.1 skrll loc += sizeof (Elf32_External_Rela);
4730 1.1 skrll
4731 1.1 skrll /* The following "or" (also against _G_O_T_). */
4732 1.1 skrll bfd_elf32_swap_reloc_in (output_bfd, loc, &rel);
4733 1.1 skrll rel.r_info = ELF32_R_INFO (htab->elf.hgot->indx, R_SPARC_LO10);
4734 1.1 skrll bfd_elf32_swap_reloc_out (output_bfd, &rel, loc);
4735 1.1 skrll loc += sizeof (Elf32_External_Rela);
4736 1.1 skrll
4737 1.1 skrll /* The .got.plt entry (against _P_L_T_). */
4738 1.1 skrll bfd_elf32_swap_reloc_in (output_bfd, loc, &rel);
4739 1.1 skrll rel.r_info = ELF32_R_INFO (htab->elf.hplt->indx, R_SPARC_32);
4740 1.1 skrll bfd_elf32_swap_reloc_out (output_bfd, &rel, loc);
4741 1.1 skrll loc += sizeof (Elf32_External_Rela);
4742 1.1 skrll }
4743 1.1 skrll }
4744 1.1 skrll
4745 1.1 skrll /* Install the first PLT entry in a VxWorks shared object. */
4746 1.1 skrll
4747 1.1 skrll static void
4748 1.1 skrll sparc_vxworks_finish_shared_plt (bfd *output_bfd, struct bfd_link_info *info)
4749 1.3 christos {
4750 1.3 christos struct _bfd_sparc_elf_link_hash_table *htab;
4751 1.1 skrll unsigned int i;
4752 1.1 skrll
4753 1.3 christos htab = _bfd_sparc_elf_hash_table (info);
4754 1.3 christos BFD_ASSERT (htab != NULL);
4755 1.3 christos
4756 1.3 christos for (i = 0; i < ARRAY_SIZE (sparc_vxworks_shared_plt0_entry); i++)
4757 1.3 christos bfd_put_32 (output_bfd, sparc_vxworks_shared_plt0_entry[i],
4758 1.3 christos htab->elf.splt->contents + i * 4);
4759 1.3 christos }
4760 1.3 christos
4761 1.3 christos /* Finish up local dynamic symbol handling. We set the contents of
4762 1.3 christos various dynamic sections here. */
4763 1.3 christos
4764 1.3 christos static bfd_boolean
4765 1.7 christos finish_local_dynamic_symbol (void **slot, void *inf)
4766 1.3 christos {
4767 1.3 christos struct elf_link_hash_entry *h
4768 1.3 christos = (struct elf_link_hash_entry *) *slot;
4769 1.1 skrll struct bfd_link_info *info
4770 1.1 skrll = (struct bfd_link_info *) inf;
4771 1.13 christos
4772 1.13 christos return _bfd_sparc_elf_finish_dynamic_symbol (info->output_bfd, info,
4773 1.13 christos h, NULL);
4774 1.13 christos }
4775 1.13 christos
4776 1.13 christos /* Finish up undefined weak symbol handling in PIE. Fill its PLT entry
4777 1.13 christos here since undefined weak symbol may not be dynamic and may not be
4778 1.13 christos called for _bfd_sparc_elf_finish_dynamic_symbol. */
4779 1.13 christos
4780 1.13 christos static bfd_boolean
4781 1.13 christos pie_finish_undefweak_symbol (struct bfd_hash_entry *bh,
4782 1.13 christos void *inf)
4783 1.13 christos {
4784 1.13 christos struct elf_link_hash_entry *h = (struct elf_link_hash_entry *) bh;
4785 1.13 christos struct bfd_link_info *info = (struct bfd_link_info *) inf;
4786 1.13 christos
4787 1.13 christos if (h->root.type != bfd_link_hash_undefweak
4788 1.13 christos || h->dynindx != -1)
4789 1.13 christos return TRUE;
4790 1.1 skrll
4791 1.1 skrll return _bfd_sparc_elf_finish_dynamic_symbol (info->output_bfd, info,
4792 1.1 skrll h, NULL);
4793 1.1 skrll }
4794 1.1 skrll
4795 1.1 skrll bfd_boolean
4796 1.1 skrll _bfd_sparc_elf_finish_dynamic_sections (bfd *output_bfd, struct bfd_link_info *info)
4797 1.1 skrll {
4798 1.3 christos bfd *dynobj;
4799 1.1 skrll asection *sdyn;
4800 1.1 skrll struct _bfd_sparc_elf_link_hash_table *htab;
4801 1.6 christos
4802 1.1 skrll htab = _bfd_sparc_elf_hash_table (info);
4803 1.1 skrll BFD_ASSERT (htab != NULL);
4804 1.1 skrll dynobj = htab->elf.dynobj;
4805 1.1 skrll
4806 1.1 skrll sdyn = bfd_get_linker_section (dynobj, ".dynamic");
4807 1.6 christos
4808 1.1 skrll if (elf_hash_table (info)->dynamic_sections_created)
4809 1.1 skrll {
4810 1.1 skrll asection *splt;
4811 1.1 skrll
4812 1.1 skrll splt = htab->elf.splt;
4813 1.1 skrll BFD_ASSERT (splt != NULL && sdyn != NULL);
4814 1.1 skrll
4815 1.1 skrll if (!sparc_finish_dyn (output_bfd, info, dynobj, sdyn, splt))
4816 1.1 skrll return FALSE;
4817 1.1 skrll
4818 1.7 christos /* Initialize the contents of the .plt section. */
4819 1.1 skrll if (splt->size > 0)
4820 1.1 skrll {
4821 1.1 skrll if (htab->is_vxworks)
4822 1.1 skrll {
4823 1.1 skrll if (bfd_link_pic (info))
4824 1.1 skrll sparc_vxworks_finish_shared_plt (output_bfd, info);
4825 1.1 skrll else
4826 1.1 skrll sparc_vxworks_finish_exec_plt (output_bfd, info);
4827 1.1 skrll }
4828 1.1 skrll else
4829 1.1 skrll {
4830 1.1 skrll memset (splt->contents, 0, htab->plt_header_size);
4831 1.1 skrll if (!ABI_64_P (output_bfd))
4832 1.7 christos bfd_put_32 (output_bfd, (bfd_vma) SPARC_NOP,
4833 1.13 christos splt->contents + splt->size - 4);
4834 1.13 christos }
4835 1.13 christos }
4836 1.1 skrll
4837 1.1 skrll if (elf_section_data (splt->output_section) != NULL)
4838 1.1 skrll elf_section_data (splt->output_section)->this_hdr.sh_entsize
4839 1.1 skrll = ((htab->is_vxworks || !ABI_64_P (output_bfd))
4840 1.3 christos ? 0 : htab->plt_entry_size);
4841 1.1 skrll }
4842 1.1 skrll
4843 1.1 skrll /* Set the first entry in the global offset table to the address of
4844 1.1 skrll the dynamic section. */
4845 1.1 skrll if (htab->elf.sgot && htab->elf.sgot->size > 0)
4846 1.3 christos {
4847 1.1 skrll bfd_vma val = (sdyn ?
4848 1.1 skrll sdyn->output_section->vma + sdyn->output_offset :
4849 1.3 christos 0);
4850 1.3 christos
4851 1.1 skrll SPARC_ELF_PUT_WORD (htab, output_bfd, val, htab->elf.sgot->contents);
4852 1.1 skrll }
4853 1.3 christos
4854 1.3 christos if (htab->elf.sgot)
4855 1.3 christos elf_section_data (htab->elf.sgot->output_section)->this_hdr.sh_entsize =
4856 1.13 christos SPARC_ELF_WORD_BYTES (htab);
4857 1.13 christos
4858 1.13 christos /* Fill PLT and GOT entries for local STT_GNU_IFUNC symbols. */
4859 1.13 christos htab_traverse (htab->loc_hash_table, finish_local_dynamic_symbol, info);
4860 1.13 christos
4861 1.1 skrll /* Fill PLT entries for undefined weak symbols in PIE. */
4862 1.1 skrll if (bfd_link_pie (info))
4863 1.1 skrll bfd_hash_traverse (&info->hash->table,
4864 1.1 skrll pie_finish_undefweak_symbol,
4865 1.1 skrll info);
4866 1.1 skrll return TRUE;
4867 1.1 skrll }
4868 1.1 skrll
4869 1.1 skrll
4870 1.11 christos /* Set the right machine number for a SPARC ELF file. */
4872 1.11 christos
4873 1.11 christos bfd_boolean
4874 1.11 christos _bfd_sparc_elf_object_p (bfd *abfd)
4875 1.11 christos {
4876 1.13 christos obj_attribute *attrs = elf_known_obj_attributes (abfd)[OBJ_ATTR_GNU];
4877 1.13 christos obj_attribute *hwcaps = &attrs[Tag_GNU_Sparc_HWCAPS];
4878 1.11 christos obj_attribute *hwcaps2 = &attrs[Tag_GNU_Sparc_HWCAPS2];
4879 1.13 christos
4880 1.13 christos unsigned int v9c_hwcaps_mask = ELF_SPARC_HWCAP_ASI_BLK_INIT;
4881 1.13 christos unsigned int v9d_hwcaps_mask = (ELF_SPARC_HWCAP_FMAF
4882 1.13 christos | ELF_SPARC_HWCAP_VIS3
4883 1.13 christos | ELF_SPARC_HWCAP_HPC);
4884 1.13 christos unsigned int v9e_hwcaps_mask = (ELF_SPARC_HWCAP_AES
4885 1.13 christos | ELF_SPARC_HWCAP_DES
4886 1.13 christos | ELF_SPARC_HWCAP_KASUMI
4887 1.13 christos | ELF_SPARC_HWCAP_CAMELLIA
4888 1.13 christos | ELF_SPARC_HWCAP_MD5
4889 1.13 christos | ELF_SPARC_HWCAP_SHA1
4890 1.13 christos | ELF_SPARC_HWCAP_SHA256
4891 1.11 christos | ELF_SPARC_HWCAP_SHA512
4892 1.13 christos | ELF_SPARC_HWCAP_MPMUL
4893 1.11 christos | ELF_SPARC_HWCAP_MONT
4894 1.13 christos | ELF_SPARC_HWCAP_CRC32C
4895 1.13 christos | ELF_SPARC_HWCAP_CBCOND
4896 1.13 christos | ELF_SPARC_HWCAP_PAUSE);
4897 1.13 christos unsigned int v9v_hwcaps_mask = (ELF_SPARC_HWCAP_FJFMAU
4898 1.13 christos | ELF_SPARC_HWCAP_IMA);
4899 1.13 christos unsigned int v9m_hwcaps2_mask = (ELF_SPARC_HWCAP2_SPARC5
4900 1.13 christos | ELF_SPARC_HWCAP2_MWAIT
4901 1.13 christos | ELF_SPARC_HWCAP2_XMPMUL
4902 1.13 christos | ELF_SPARC_HWCAP2_XMONT);
4903 1.13 christos unsigned int m8_hwcaps2_mask = (ELF_SPARC_HWCAP2_SPARC6
4904 1.13 christos | ELF_SPARC_HWCAP2_ONADDSUB
4905 1.11 christos | ELF_SPARC_HWCAP2_ONMUL
4906 1.1 skrll | ELF_SPARC_HWCAP2_ONDIV
4907 1.1 skrll | ELF_SPARC_HWCAP2_DICTUNP
4908 1.1 skrll | ELF_SPARC_HWCAP2_FPCMPSHL
4909 1.1 skrll | ELF_SPARC_HWCAP2_RLE
4910 1.13 christos | ELF_SPARC_HWCAP2_SHA3);
4911 1.13 christos
4912 1.13 christos if (ABI_64_P (abfd))
4913 1.13 christos {
4914 1.11 christos unsigned long mach = bfd_mach_sparc_v9;
4915 1.13 christos
4916 1.11 christos if (hwcaps2->i & m8_hwcaps2_mask)
4917 1.13 christos mach = bfd_mach_sparc_v9m8;
4918 1.11 christos else if (hwcaps2->i & v9m_hwcaps2_mask)
4919 1.13 christos mach = bfd_mach_sparc_v9m;
4920 1.11 christos else if (hwcaps->i & v9v_hwcaps_mask)
4921 1.13 christos mach = bfd_mach_sparc_v9v;
4922 1.11 christos else if (hwcaps->i & v9e_hwcaps_mask)
4923 1.1 skrll mach = bfd_mach_sparc_v9e;
4924 1.1 skrll else if (hwcaps->i & v9d_hwcaps_mask)
4925 1.1 skrll mach = bfd_mach_sparc_v9d;
4926 1.1 skrll else if (hwcaps->i & v9c_hwcaps_mask)
4927 1.1 skrll mach = bfd_mach_sparc_v9c;
4928 1.1 skrll else if (elf_elfheader (abfd)->e_flags & EF_SPARC_SUN_US3)
4929 1.1 skrll mach = bfd_mach_sparc_v9b;
4930 1.1 skrll else if (elf_elfheader (abfd)->e_flags & EF_SPARC_SUN_US1)
4931 1.1 skrll mach = bfd_mach_sparc_v9a;
4932 1.13 christos return bfd_default_set_arch_mach (abfd, bfd_arch_sparc, mach);
4933 1.13 christos }
4934 1.13 christos else
4935 1.13 christos {
4936 1.11 christos if (elf_elfheader (abfd)->e_machine == EM_SPARC32PLUS)
4937 1.11 christos {
4938 1.13 christos if (hwcaps2->i & m8_hwcaps2_mask)
4939 1.13 christos return bfd_default_set_arch_mach (abfd, bfd_arch_sparc,
4940 1.11 christos bfd_mach_sparc_v8plusm8);
4941 1.13 christos else if (hwcaps2->i & v9m_hwcaps2_mask)
4942 1.13 christos return bfd_default_set_arch_mach (abfd, bfd_arch_sparc,
4943 1.11 christos bfd_mach_sparc_v8plusm);
4944 1.13 christos else if (hwcaps->i & v9v_hwcaps_mask)
4945 1.13 christos return bfd_default_set_arch_mach (abfd, bfd_arch_sparc,
4946 1.11 christos bfd_mach_sparc_v8plusv);
4947 1.13 christos else if (hwcaps->i & v9e_hwcaps_mask)
4948 1.13 christos return bfd_default_set_arch_mach (abfd, bfd_arch_sparc,
4949 1.11 christos bfd_mach_sparc_v8pluse);
4950 1.11 christos else if (hwcaps->i & v9d_hwcaps_mask)
4951 1.1 skrll return bfd_default_set_arch_mach (abfd, bfd_arch_sparc,
4952 1.1 skrll bfd_mach_sparc_v8plusd);
4953 1.1 skrll else if (hwcaps->i & v9c_hwcaps_mask)
4954 1.1 skrll return bfd_default_set_arch_mach (abfd, bfd_arch_sparc,
4955 1.1 skrll bfd_mach_sparc_v8plusc);
4956 1.1 skrll else if (elf_elfheader (abfd)->e_flags & EF_SPARC_SUN_US3)
4957 1.1 skrll return bfd_default_set_arch_mach (abfd, bfd_arch_sparc,
4958 1.1 skrll bfd_mach_sparc_v8plusb);
4959 1.1 skrll else if (elf_elfheader (abfd)->e_flags & EF_SPARC_SUN_US1)
4960 1.1 skrll return bfd_default_set_arch_mach (abfd, bfd_arch_sparc,
4961 1.1 skrll bfd_mach_sparc_v8plusa);
4962 1.1 skrll else if (elf_elfheader (abfd)->e_flags & EF_SPARC_32PLUS)
4963 1.1 skrll return bfd_default_set_arch_mach (abfd, bfd_arch_sparc,
4964 1.1 skrll bfd_mach_sparc_v8plus);
4965 1.1 skrll else
4966 1.1 skrll return FALSE;
4967 1.1 skrll }
4968 1.1 skrll else if (elf_elfheader (abfd)->e_flags & EF_SPARC_LEDATA)
4969 1.1 skrll return bfd_default_set_arch_mach (abfd, bfd_arch_sparc,
4970 1.1 skrll bfd_mach_sparc_sparclite_le);
4971 1.1 skrll else
4972 1.1 skrll return bfd_default_set_arch_mach (abfd, bfd_arch_sparc, bfd_mach_sparc);
4973 1.1 skrll }
4974 1.1 skrll }
4975 1.1 skrll
4976 1.1 skrll /* Return address for Ith PLT stub in section PLT, for relocation REL
4977 1.1 skrll or (bfd_vma) -1 if it should not be included. */
4978 1.1 skrll
4979 1.1 skrll bfd_vma
4980 1.1 skrll _bfd_sparc_elf_plt_sym_val (bfd_vma i, const asection *plt, const arelent *rel)
4981 1.1 skrll {
4982 1.1 skrll if (ABI_64_P (plt->owner))
4983 1.1 skrll {
4984 1.1 skrll bfd_vma j;
4985 1.1 skrll
4986 1.1 skrll i += PLT64_HEADER_SIZE / PLT64_ENTRY_SIZE;
4987 1.1 skrll if (i < PLT64_LARGE_THRESHOLD)
4988 1.1 skrll return plt->vma + i * PLT64_ENTRY_SIZE;
4989 1.1 skrll
4990 1.1 skrll j = (i - PLT64_LARGE_THRESHOLD) % 160;
4991 1.6 christos i -= j;
4992 1.6 christos return plt->vma + i * PLT64_ENTRY_SIZE + j * 4 * 6;
4993 1.6 christos }
4994 1.6 christos else
4995 1.6 christos return rel->address;
4996 1.13 christos }
4997 1.6 christos
4998 1.13 christos /* Merge backend specific data from an object file to the output
4999 1.6 christos object file when linking. */
5000 1.6 christos
5001 1.6 christos bfd_boolean
5002 1.6 christos _bfd_sparc_elf_merge_private_bfd_data (bfd *ibfd, struct bfd_link_info *info)
5003 1.6 christos {
5004 1.6 christos bfd *obfd = info->output_bfd;
5005 1.6 christos obj_attribute *in_attr, *in_attrs;
5006 1.6 christos obj_attribute *out_attr, *out_attrs;
5007 1.6 christos
5008 1.6 christos if (!elf_known_obj_attributes_proc (obfd)[0].i)
5009 1.6 christos {
5010 1.6 christos /* This is the first object. Copy the attributes. */
5011 1.6 christos _bfd_elf_copy_obj_attributes (ibfd, obfd);
5012 1.6 christos
5013 1.6 christos /* Use the Tag_null value to indicate the attributes have been
5014 1.6 christos initialized. */
5015 1.6 christos elf_known_obj_attributes_proc (obfd)[0].i = 1;
5016 1.6 christos
5017 1.6 christos return TRUE;
5018 1.6 christos }
5019 1.6 christos
5020 1.6 christos in_attrs = elf_known_obj_attributes (ibfd)[OBJ_ATTR_GNU];
5021 1.7 christos out_attrs = elf_known_obj_attributes (obfd)[OBJ_ATTR_GNU];
5022 1.7 christos
5023 1.7 christos in_attr = &in_attrs[Tag_GNU_Sparc_HWCAPS];
5024 1.7 christos out_attr = &out_attrs[Tag_GNU_Sparc_HWCAPS];
5025 1.7 christos
5026 1.7 christos out_attr->i |= in_attr->i;
5027 1.7 christos out_attr->type = 1;
5028 1.7 christos
5029 1.6 christos in_attr = &in_attrs[Tag_GNU_Sparc_HWCAPS2];
5030 1.13 christos out_attr = &out_attrs[Tag_GNU_Sparc_HWCAPS2];
5031 1.6 christos
5032 1.6 christos out_attr->i |= in_attr->i;
5033 1.6 christos out_attr->type = 1;
5034
5035 /* Merge Tag_compatibility attributes and any common GNU ones. */
5036 _bfd_elf_merge_object_attributes (ibfd, info);
5037
5038 return TRUE;
5039 }
5040