Commit | Line | Data |
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90ace9e9 | 1 | /* VAX series support for 32-bit ELF |
250d07de | 2 | Copyright (C) 1993-2021 Free Software Foundation, Inc. |
90ace9e9 JT |
3 | Contributed by Matt Thomas <matt@3am-software.com>. |
4 | ||
ae9a127f | 5 | This file is part of BFD, the Binary File Descriptor library. |
90ace9e9 | 6 | |
ae9a127f NC |
7 | This program is free software; you can redistribute it and/or modify |
8 | it under the terms of the GNU General Public License as published by | |
cd123cb7 | 9 | the Free Software Foundation; either version 3 of the License, or |
ae9a127f | 10 | (at your option) any later version. |
90ace9e9 | 11 | |
ae9a127f NC |
12 | This program is distributed in the hope that it will be useful, |
13 | but WITHOUT ANY WARRANTY; without even the implied warranty of | |
14 | MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the | |
15 | GNU General Public License for more details. | |
90ace9e9 | 16 | |
ae9a127f NC |
17 | You should have received a copy of the GNU General Public License |
18 | along with this program; if not, write to the Free Software | |
cd123cb7 NC |
19 | Foundation, Inc., 51 Franklin Street - Fifth Floor, Boston, |
20 | MA 02110-1301, USA. */ | |
90ace9e9 | 21 | |
90ace9e9 | 22 | #include "sysdep.h" |
3db64b00 | 23 | #include "bfd.h" |
90ace9e9 JT |
24 | #include "bfdlink.h" |
25 | #include "libbfd.h" | |
26 | #include "elf-bfd.h" | |
27 | #include "elf/vax.h" | |
28 | ||
ce71b576 | 29 | static reloc_howto_type *reloc_type_lookup (bfd *, bfd_reloc_code_real_type); |
0a1b45a2 | 30 | static bool rtype_to_howto (bfd *, arelent *, Elf_Internal_Rela *); |
ce71b576 NC |
31 | static struct bfd_hash_entry *elf_vax_link_hash_newfunc (struct bfd_hash_entry *, |
32 | struct bfd_hash_table *, | |
33 | const char *); | |
34 | static struct bfd_link_hash_table *elf_vax_link_hash_table_create (bfd *); | |
0a1b45a2 AM |
35 | static bool elf_vax_check_relocs (bfd *, struct bfd_link_info *, |
36 | asection *, const Elf_Internal_Rela *); | |
37 | static bool elf_vax_adjust_dynamic_symbol (struct bfd_link_info *, | |
38 | struct elf_link_hash_entry *); | |
39 | static bool elf_vax_size_dynamic_sections (bfd *, struct bfd_link_info *); | |
0f684201 AM |
40 | static int elf_vax_relocate_section (bfd *, struct bfd_link_info *, |
41 | bfd *, asection *, bfd_byte *, | |
42 | Elf_Internal_Rela *, | |
43 | Elf_Internal_Sym *, asection **); | |
0a1b45a2 AM |
44 | static bool elf_vax_finish_dynamic_symbol (bfd *, struct bfd_link_info *, |
45 | struct elf_link_hash_entry *, | |
46 | Elf_Internal_Sym *); | |
47 | static bool elf_vax_finish_dynamic_sections (bfd *, struct bfd_link_info *); | |
6db7e006 MR |
48 | static bfd_vma elf_vax_plt_sym_val (bfd_vma, const asection *, |
49 | const arelent *); | |
ce71b576 | 50 | |
0a1b45a2 AM |
51 | static bool elf32_vax_set_private_flags (bfd *, flagword); |
52 | static bool elf32_vax_print_private_bfd_data (bfd *, void *); | |
90ace9e9 JT |
53 | |
54 | static reloc_howto_type howto_table[] = { | |
55 | HOWTO (R_VAX_NONE, /* type */ | |
56 | 0, /* rightshift */ | |
6346d5ca | 57 | 3, /* size (0 = byte, 1 = short, 2 = long) */ |
90ace9e9 | 58 | 0, /* bitsize */ |
0a1b45a2 | 59 | false, /* pc_relative */ |
90ace9e9 JT |
60 | 0, /* bitpos */ |
61 | complain_overflow_dont, /* complain_on_overflow */ | |
62 | bfd_elf_generic_reloc, /* special_function */ | |
63 | "R_VAX_NONE", /* name */ | |
0a1b45a2 | 64 | false, /* partial_inplace */ |
90ace9e9 JT |
65 | 0, /* src_mask */ |
66 | 0x00000000, /* dst_mask */ | |
0a1b45a2 | 67 | false), /* pcrel_offset */ |
90ace9e9 JT |
68 | |
69 | HOWTO (R_VAX_32, /* type */ | |
70 | 0, /* rightshift */ | |
71 | 2, /* size (0 = byte, 1 = short, 2 = long) */ | |
72 | 32, /* bitsize */ | |
0a1b45a2 | 73 | false, /* pc_relative */ |
90ace9e9 JT |
74 | 0, /* bitpos */ |
75 | complain_overflow_bitfield, /* complain_on_overflow */ | |
76 | bfd_elf_generic_reloc, /* special_function */ | |
77 | "R_VAX_32", /* name */ | |
0a1b45a2 | 78 | false, /* partial_inplace */ |
90ace9e9 JT |
79 | 0, /* src_mask */ |
80 | 0xffffffff, /* dst_mask */ | |
0a1b45a2 | 81 | false), /* pcrel_offset */ |
90ace9e9 JT |
82 | |
83 | HOWTO (R_VAX_16, /* type */ | |
84 | 0, /* rightshift */ | |
85 | 1, /* size (0 = byte, 1 = short, 2 = long) */ | |
86 | 16, /* bitsize */ | |
0a1b45a2 | 87 | false, /* pc_relative */ |
90ace9e9 JT |
88 | 0, /* bitpos */ |
89 | complain_overflow_bitfield, /* complain_on_overflow */ | |
90 | bfd_elf_generic_reloc, /* special_function */ | |
91 | "R_VAX_16", /* name */ | |
0a1b45a2 | 92 | false, /* partial_inplace */ |
90ace9e9 JT |
93 | 0, /* src_mask */ |
94 | 0x0000ffff, /* dst_mask */ | |
0a1b45a2 | 95 | false), /* pcrel_offset */ |
90ace9e9 JT |
96 | |
97 | HOWTO (R_VAX_8, /* type */ | |
98 | 0, /* rightshift */ | |
99 | 0, /* size (0 = byte, 1 = short, 2 = long) */ | |
100 | 8, /* bitsize */ | |
0a1b45a2 | 101 | false, /* pc_relative */ |
90ace9e9 JT |
102 | 0, /* bitpos */ |
103 | complain_overflow_bitfield, /* complain_on_overflow */ | |
104 | bfd_elf_generic_reloc, /* special_function */ | |
105 | "R_VAX_8", /* name */ | |
0a1b45a2 | 106 | false, /* partial_inplace */ |
90ace9e9 JT |
107 | 0, /* src_mask */ |
108 | 0x000000ff, /* dst_mask */ | |
0a1b45a2 | 109 | false), /* pcrel_offset */ |
90ace9e9 JT |
110 | |
111 | HOWTO (R_VAX_PC32, /* type */ | |
112 | 0, /* rightshift */ | |
113 | 2, /* size (0 = byte, 1 = short, 2 = long) */ | |
114 | 32, /* bitsize */ | |
0a1b45a2 | 115 | true, /* pc_relative */ |
90ace9e9 JT |
116 | 0, /* bitpos */ |
117 | complain_overflow_bitfield, /* complain_on_overflow */ | |
118 | bfd_elf_generic_reloc, /* special_function */ | |
119 | "R_VAX_PC32", /* name */ | |
0a1b45a2 | 120 | false, /* partial_inplace */ |
90ace9e9 JT |
121 | 0, /* src_mask */ |
122 | 0xffffffff, /* dst_mask */ | |
0a1b45a2 | 123 | true), /* pcrel_offset */ |
90ace9e9 JT |
124 | |
125 | HOWTO (R_VAX_PC16, /* type */ | |
126 | 0, /* rightshift */ | |
127 | 1, /* size (0 = byte, 1 = short, 2 = long) */ | |
128 | 16, /* bitsize */ | |
0a1b45a2 | 129 | true, /* pc_relative */ |
90ace9e9 JT |
130 | 0, /* bitpos */ |
131 | complain_overflow_signed, /* complain_on_overflow */ | |
132 | bfd_elf_generic_reloc, /* special_function */ | |
133 | "R_VAX_PC16", /* name */ | |
0a1b45a2 | 134 | false, /* partial_inplace */ |
90ace9e9 JT |
135 | 0, /* src_mask */ |
136 | 0x0000ffff, /* dst_mask */ | |
0a1b45a2 | 137 | true), /* pcrel_offset */ |
90ace9e9 JT |
138 | |
139 | HOWTO (R_VAX_PC8, /* type */ | |
140 | 0, /* rightshift */ | |
141 | 0, /* size (0 = byte, 1 = short, 2 = long) */ | |
142 | 8, /* bitsize */ | |
0a1b45a2 | 143 | true, /* pc_relative */ |
90ace9e9 JT |
144 | 0, /* bitpos */ |
145 | complain_overflow_signed, /* complain_on_overflow */ | |
146 | bfd_elf_generic_reloc, /* special_function */ | |
147 | "R_VAX_PC8", /* name */ | |
0a1b45a2 | 148 | false, /* partial_inplace */ |
90ace9e9 JT |
149 | 0, /* src_mask */ |
150 | 0x000000ff, /* dst_mask */ | |
0a1b45a2 | 151 | true), /* pcrel_offset */ |
90ace9e9 JT |
152 | |
153 | HOWTO (R_VAX_GOT32, /* type */ | |
154 | 0, /* rightshift */ | |
155 | 2, /* size (0 = byte, 1 = short, 2 = long) */ | |
156 | 32, /* bitsize */ | |
0a1b45a2 | 157 | true, /* pc_relative */ |
90ace9e9 JT |
158 | 0, /* bitpos */ |
159 | complain_overflow_bitfield, /* complain_on_overflow */ | |
160 | bfd_elf_generic_reloc, /* special_function */ | |
161 | "R_VAX_GOT32", /* name */ | |
0a1b45a2 | 162 | false, /* partial_inplace */ |
90ace9e9 JT |
163 | 0, /* src_mask */ |
164 | 0xffffffff, /* dst_mask */ | |
0a1b45a2 | 165 | true), /* pcrel_offset */ |
90ace9e9 JT |
166 | |
167 | EMPTY_HOWTO (-1), | |
168 | EMPTY_HOWTO (-1), | |
169 | EMPTY_HOWTO (-1), | |
170 | EMPTY_HOWTO (-1), | |
171 | EMPTY_HOWTO (-1), | |
172 | ||
173 | HOWTO (R_VAX_PLT32, /* type */ | |
174 | 0, /* rightshift */ | |
175 | 2, /* size (0 = byte, 1 = short, 2 = long) */ | |
176 | 32, /* bitsize */ | |
0a1b45a2 | 177 | true, /* pc_relative */ |
90ace9e9 JT |
178 | 0, /* bitpos */ |
179 | complain_overflow_bitfield, /* complain_on_overflow */ | |
180 | bfd_elf_generic_reloc, /* special_function */ | |
181 | "R_VAX_PLT32", /* name */ | |
0a1b45a2 | 182 | false, /* partial_inplace */ |
90ace9e9 JT |
183 | 0, /* src_mask */ |
184 | 0xffffffff, /* dst_mask */ | |
0a1b45a2 | 185 | true), /* pcrel_offset */ |
90ace9e9 JT |
186 | |
187 | EMPTY_HOWTO (-1), | |
188 | EMPTY_HOWTO (-1), | |
189 | EMPTY_HOWTO (-1), | |
190 | EMPTY_HOWTO (-1), | |
191 | EMPTY_HOWTO (-1), | |
192 | ||
193 | HOWTO (R_VAX_COPY, /* type */ | |
194 | 0, /* rightshift */ | |
195 | 0, /* size (0 = byte, 1 = short, 2 = long) */ | |
196 | 0, /* bitsize */ | |
0a1b45a2 | 197 | false, /* pc_relative */ |
90ace9e9 JT |
198 | 0, /* bitpos */ |
199 | complain_overflow_dont, /* complain_on_overflow */ | |
200 | bfd_elf_generic_reloc, /* special_function */ | |
201 | "R_VAX_COPY", /* name */ | |
0a1b45a2 | 202 | false, /* partial_inplace */ |
90ace9e9 JT |
203 | 0, /* src_mask */ |
204 | 0xffffffff, /* dst_mask */ | |
0a1b45a2 | 205 | false), /* pcrel_offset */ |
90ace9e9 JT |
206 | |
207 | HOWTO (R_VAX_GLOB_DAT, /* type */ | |
208 | 0, /* rightshift */ | |
209 | 2, /* size (0 = byte, 1 = short, 2 = long) */ | |
210 | 32, /* bitsize */ | |
0a1b45a2 | 211 | false, /* pc_relative */ |
90ace9e9 JT |
212 | 0, /* bitpos */ |
213 | complain_overflow_dont, /* complain_on_overflow */ | |
214 | bfd_elf_generic_reloc, /* special_function */ | |
215 | "R_VAX_GLOB_DAT", /* name */ | |
0a1b45a2 | 216 | false, /* partial_inplace */ |
90ace9e9 JT |
217 | 0, /* src_mask */ |
218 | 0xffffffff, /* dst_mask */ | |
0a1b45a2 | 219 | false), /* pcrel_offset */ |
90ace9e9 JT |
220 | |
221 | HOWTO (R_VAX_JMP_SLOT, /* type */ | |
222 | 0, /* rightshift */ | |
223 | 2, /* size (0 = byte, 1 = short, 2 = long) */ | |
224 | 32, /* bitsize */ | |
0a1b45a2 | 225 | false, /* pc_relative */ |
90ace9e9 JT |
226 | 0, /* bitpos */ |
227 | complain_overflow_dont, /* complain_on_overflow */ | |
228 | bfd_elf_generic_reloc, /* special_function */ | |
229 | "R_VAX_JMP_SLOT", /* name */ | |
0a1b45a2 | 230 | false, /* partial_inplace */ |
90ace9e9 JT |
231 | 0, /* src_mask */ |
232 | 0xffffffff, /* dst_mask */ | |
0a1b45a2 | 233 | false), /* pcrel_offset */ |
90ace9e9 JT |
234 | |
235 | HOWTO (R_VAX_RELATIVE, /* type */ | |
236 | 0, /* rightshift */ | |
237 | 2, /* size (0 = byte, 1 = short, 2 = long) */ | |
238 | 32, /* bitsize */ | |
0a1b45a2 | 239 | false, /* pc_relative */ |
90ace9e9 JT |
240 | 0, /* bitpos */ |
241 | complain_overflow_dont, /* complain_on_overflow */ | |
242 | bfd_elf_generic_reloc, /* special_function */ | |
243 | "R_VAX_RELATIVE", /* name */ | |
0a1b45a2 | 244 | false, /* partial_inplace */ |
90ace9e9 JT |
245 | 0, /* src_mask */ |
246 | 0xffffffff, /* dst_mask */ | |
0a1b45a2 | 247 | false), /* pcrel_offset */ |
90ace9e9 JT |
248 | |
249 | /* GNU extension to record C++ vtable hierarchy */ | |
250 | HOWTO (R_VAX_GNU_VTINHERIT, /* type */ | |
251 | 0, /* rightshift */ | |
252 | 2, /* size (0 = byte, 1 = short, 2 = long) */ | |
253 | 0, /* bitsize */ | |
0a1b45a2 | 254 | false, /* pc_relative */ |
90ace9e9 JT |
255 | 0, /* bitpos */ |
256 | complain_overflow_dont, /* complain_on_overflow */ | |
257 | NULL, /* special_function */ | |
258 | "R_VAX_GNU_VTINHERIT", /* name */ | |
0a1b45a2 | 259 | false, /* partial_inplace */ |
90ace9e9 JT |
260 | 0, /* src_mask */ |
261 | 0, /* dst_mask */ | |
0a1b45a2 | 262 | false), /* pcrel_offset */ |
90ace9e9 JT |
263 | |
264 | /* GNU extension to record C++ vtable member usage */ | |
265 | HOWTO (R_VAX_GNU_VTENTRY, /* type */ | |
266 | 0, /* rightshift */ | |
267 | 2, /* size (0 = byte, 1 = short, 2 = long) */ | |
268 | 0, /* bitsize */ | |
0a1b45a2 | 269 | false, /* pc_relative */ |
90ace9e9 JT |
270 | 0, /* bitpos */ |
271 | complain_overflow_dont, /* complain_on_overflow */ | |
272 | _bfd_elf_rel_vtable_reloc_fn, /* special_function */ | |
273 | "R_VAX_GNU_VTENTRY", /* name */ | |
0a1b45a2 | 274 | false, /* partial_inplace */ |
90ace9e9 JT |
275 | 0, /* src_mask */ |
276 | 0, /* dst_mask */ | |
0a1b45a2 | 277 | false), /* pcrel_offset */ |
90ace9e9 JT |
278 | }; |
279 | ||
0a1b45a2 | 280 | static bool |
64d29018 | 281 | rtype_to_howto (bfd *abfd, arelent *cache_ptr, Elf_Internal_Rela *dst) |
90ace9e9 | 282 | { |
cd21f5da NC |
283 | unsigned int r_type; |
284 | ||
285 | r_type = ELF32_R_TYPE (dst->r_info); | |
286 | if (r_type >= R_VAX_max) | |
287 | { | |
695344c0 | 288 | /* xgettext:c-format */ |
0aa13fee | 289 | _bfd_error_handler (_("%pB: unsupported relocation type %#x"), |
4eca0228 | 290 | abfd, r_type); |
cd21f5da | 291 | bfd_set_error (bfd_error_bad_value); |
0a1b45a2 | 292 | return false; |
cd21f5da NC |
293 | } |
294 | cache_ptr->howto = &howto_table[r_type]; | |
0a1b45a2 | 295 | return true; |
90ace9e9 JT |
296 | } |
297 | ||
298 | #define elf_info_to_howto rtype_to_howto | |
299 | ||
300 | static const struct | |
301 | { | |
302 | bfd_reloc_code_real_type bfd_val; | |
303 | int elf_val; | |
304 | } reloc_map[] = { | |
305 | { BFD_RELOC_NONE, R_VAX_NONE }, | |
306 | { BFD_RELOC_32, R_VAX_32 }, | |
307 | { BFD_RELOC_16, R_VAX_16 }, | |
308 | { BFD_RELOC_8, R_VAX_8 }, | |
309 | { BFD_RELOC_32_PCREL, R_VAX_PC32 }, | |
310 | { BFD_RELOC_16_PCREL, R_VAX_PC16 }, | |
311 | { BFD_RELOC_8_PCREL, R_VAX_PC8 }, | |
312 | { BFD_RELOC_32_GOT_PCREL, R_VAX_GOT32 }, | |
313 | { BFD_RELOC_32_PLT_PCREL, R_VAX_PLT32 }, | |
314 | { BFD_RELOC_NONE, R_VAX_COPY }, | |
315 | { BFD_RELOC_VAX_GLOB_DAT, R_VAX_GLOB_DAT }, | |
316 | { BFD_RELOC_VAX_JMP_SLOT, R_VAX_JMP_SLOT }, | |
317 | { BFD_RELOC_VAX_RELATIVE, R_VAX_RELATIVE }, | |
318 | { BFD_RELOC_CTOR, R_VAX_32 }, | |
319 | { BFD_RELOC_VTABLE_INHERIT, R_VAX_GNU_VTINHERIT }, | |
320 | { BFD_RELOC_VTABLE_ENTRY, R_VAX_GNU_VTENTRY }, | |
321 | }; | |
322 | ||
323 | static reloc_howto_type * | |
ce71b576 | 324 | reloc_type_lookup (bfd *abfd ATTRIBUTE_UNUSED, bfd_reloc_code_real_type code) |
90ace9e9 JT |
325 | { |
326 | unsigned int i; | |
327 | for (i = 0; i < sizeof (reloc_map) / sizeof (reloc_map[0]); i++) | |
328 | { | |
329 | if (reloc_map[i].bfd_val == code) | |
330 | return &howto_table[reloc_map[i].elf_val]; | |
331 | } | |
332 | return 0; | |
333 | } | |
334 | ||
157090f7 AM |
335 | static reloc_howto_type * |
336 | reloc_name_lookup (bfd *abfd ATTRIBUTE_UNUSED, | |
337 | const char *r_name) | |
338 | { | |
339 | unsigned int i; | |
340 | ||
341 | for (i = 0; i < sizeof (howto_table) / sizeof (howto_table[0]); i++) | |
342 | if (howto_table[i].name != NULL | |
343 | && strcasecmp (howto_table[i].name, r_name) == 0) | |
344 | return &howto_table[i]; | |
345 | ||
346 | return NULL; | |
347 | } | |
348 | ||
90ace9e9 | 349 | #define bfd_elf32_bfd_reloc_type_lookup reloc_type_lookup |
157090f7 | 350 | #define bfd_elf32_bfd_reloc_name_lookup reloc_name_lookup |
90ace9e9 JT |
351 | #define ELF_ARCH bfd_arch_vax |
352 | /* end code generated by elf.el */ | |
90ace9e9 JT |
353 | \f |
354 | /* Functions for the VAX ELF linker. */ | |
355 | ||
356 | /* The name of the dynamic interpreter. This is put in the .interp | |
357 | section. */ | |
358 | ||
359 | #define ELF_DYNAMIC_INTERPRETER "/usr/libexec/ld.elf_so" | |
360 | ||
361 | /* The size in bytes of an entry in the procedure linkage table. */ | |
362 | ||
363 | #define PLT_ENTRY_SIZE 12 | |
364 | ||
365 | /* The first entry in a procedure linkage table looks like this. See | |
366 | the SVR4 ABI VAX supplement to see how this works. */ | |
367 | ||
368 | static const bfd_byte elf_vax_plt0_entry[PLT_ENTRY_SIZE] = | |
369 | { | |
370 | 0xdd, 0xef, /* pushl l^ */ | |
371 | 0, 0, 0, 0, /* offset to .plt.got + 4 */ | |
372 | 0x17, 0xff, /* jmp @L^(pc) */ | |
373 | 0, 0, 0, 0, /* offset to .plt.got + 8 */ | |
374 | }; | |
375 | ||
376 | /* Subsequent entries in a procedure linkage table look like this. */ | |
377 | ||
378 | static const bfd_byte elf_vax_plt_entry[PLT_ENTRY_SIZE] = | |
379 | { | |
6c4fb25a | 380 | 0xfc, 0x0f, /* .word ^M<r11:r2> */ |
71f136d6 | 381 | 0x16, 0xef, /* jsb L^(pc) */ |
90ace9e9 JT |
382 | 0, 0, 0, 0, /* replaced with offset to start of .plt */ |
383 | 0, 0, 0, 0, /* index into .rela.plt */ | |
384 | }; | |
385 | ||
386 | /* The VAX linker needs to keep track of the number of relocs that it | |
387 | decides to copy in check_relocs for each symbol. This is so that it | |
388 | can discard PC relative relocs if it doesn't need them when linking | |
389 | with -Bsymbolic. We store the information in a field extending the | |
390 | regular ELF linker hash table. */ | |
391 | ||
392 | /* This structure keeps track of the number of PC relative relocs we have | |
393 | copied for a given symbol. */ | |
394 | ||
395 | struct elf_vax_pcrel_relocs_copied | |
396 | { | |
397 | /* Next section. */ | |
398 | struct elf_vax_pcrel_relocs_copied *next; | |
399 | /* A section in dynobj. */ | |
400 | asection *section; | |
401 | /* Number of relocs copied in this section. */ | |
402 | bfd_size_type count; | |
403 | }; | |
404 | ||
405 | /* VAX ELF linker hash entry. */ | |
406 | ||
407 | struct elf_vax_link_hash_entry | |
408 | { | |
409 | struct elf_link_hash_entry root; | |
410 | ||
411 | /* Number of PC relative relocs copied for this symbol. */ | |
412 | struct elf_vax_pcrel_relocs_copied *pcrel_relocs_copied; | |
413 | ||
414 | bfd_vma got_addend; | |
415 | }; | |
416 | ||
90ace9e9 JT |
417 | /* Declare this now that the above structures are defined. */ |
418 | ||
0a1b45a2 AM |
419 | static bool elf_vax_discard_copies (struct elf_vax_link_hash_entry *, |
420 | void *); | |
90ace9e9 | 421 | |
b29635ba JT |
422 | /* Declare this now that the above structures are defined. */ |
423 | ||
0a1b45a2 AM |
424 | static bool elf_vax_instantiate_got_entries (struct elf_link_hash_entry *, |
425 | void *); | |
b29635ba | 426 | |
90ace9e9 JT |
427 | /* Traverse an VAX ELF linker hash table. */ |
428 | ||
429 | #define elf_vax_link_hash_traverse(table, func, info) \ | |
430 | (elf_link_hash_traverse \ | |
4dfe6ac6 | 431 | ((table), \ |
0a1b45a2 | 432 | (bool (*) (struct elf_link_hash_entry *, void *)) (func), \ |
90ace9e9 JT |
433 | (info))) |
434 | ||
90ace9e9 JT |
435 | /* Create an entry in an VAX ELF linker hash table. */ |
436 | ||
437 | static struct bfd_hash_entry * | |
ce71b576 NC |
438 | elf_vax_link_hash_newfunc (struct bfd_hash_entry *entry, |
439 | struct bfd_hash_table *table, | |
440 | const char *string) | |
90ace9e9 JT |
441 | { |
442 | struct elf_vax_link_hash_entry *ret = | |
443 | (struct elf_vax_link_hash_entry *) entry; | |
444 | ||
445 | /* Allocate the structure if it has not already been allocated by a | |
446 | subclass. */ | |
ce71b576 | 447 | if (ret == NULL) |
90ace9e9 JT |
448 | ret = ((struct elf_vax_link_hash_entry *) |
449 | bfd_hash_allocate (table, | |
450 | sizeof (struct elf_vax_link_hash_entry))); | |
ce71b576 | 451 | if (ret == NULL) |
90ace9e9 JT |
452 | return (struct bfd_hash_entry *) ret; |
453 | ||
454 | /* Call the allocation method of the superclass. */ | |
455 | ret = ((struct elf_vax_link_hash_entry *) | |
456 | _bfd_elf_link_hash_newfunc ((struct bfd_hash_entry *) ret, | |
457 | table, string)); | |
ce71b576 | 458 | if (ret != NULL) |
90ace9e9 JT |
459 | { |
460 | ret->pcrel_relocs_copied = NULL; | |
461 | } | |
462 | ||
463 | return (struct bfd_hash_entry *) ret; | |
464 | } | |
465 | ||
466 | /* Create an VAX ELF linker hash table. */ | |
467 | ||
468 | static struct bfd_link_hash_table * | |
ce71b576 | 469 | elf_vax_link_hash_table_create (bfd *abfd) |
90ace9e9 | 470 | { |
4dfe6ac6 | 471 | struct elf_link_hash_table *ret; |
986f0783 | 472 | size_t amt = sizeof (struct elf_link_hash_table); |
90ace9e9 | 473 | |
7bf52ea2 | 474 | ret = bfd_zmalloc (amt); |
ce71b576 | 475 | if (ret == NULL) |
90ace9e9 JT |
476 | return NULL; |
477 | ||
4dfe6ac6 | 478 | if (!_bfd_elf_link_hash_table_init (ret, abfd, |
66eb6687 | 479 | elf_vax_link_hash_newfunc, |
4dfe6ac6 NC |
480 | sizeof (struct elf_vax_link_hash_entry), |
481 | GENERIC_ELF_DATA)) | |
90ace9e9 JT |
482 | { |
483 | free (ret); | |
484 | return NULL; | |
485 | } | |
486 | ||
4dfe6ac6 | 487 | return &ret->root; |
90ace9e9 JT |
488 | } |
489 | ||
490 | /* Keep vax-specific flags in the ELF header */ | |
0a1b45a2 | 491 | static bool |
ce71b576 | 492 | elf32_vax_set_private_flags (bfd *abfd, flagword flags) |
90ace9e9 JT |
493 | { |
494 | elf_elfheader (abfd)->e_flags = flags; | |
0a1b45a2 AM |
495 | elf_flags_init (abfd) = true; |
496 | return true; | |
90ace9e9 JT |
497 | } |
498 | ||
499 | /* Merge backend specific data from an object file to the output | |
500 | object file when linking. */ | |
0a1b45a2 | 501 | static bool |
50e03d47 | 502 | elf32_vax_merge_private_bfd_data (bfd *ibfd, struct bfd_link_info *info) |
90ace9e9 | 503 | { |
50e03d47 | 504 | bfd *obfd = info->output_bfd; |
90ace9e9 JT |
505 | flagword in_flags; |
506 | ||
507 | if ( bfd_get_flavour (ibfd) != bfd_target_elf_flavour | |
508 | || bfd_get_flavour (obfd) != bfd_target_elf_flavour) | |
0a1b45a2 | 509 | return true; |
90ace9e9 JT |
510 | |
511 | in_flags = elf_elfheader (ibfd)->e_flags; | |
90ace9e9 JT |
512 | |
513 | if (!elf_flags_init (obfd)) | |
514 | { | |
0a1b45a2 | 515 | elf_flags_init (obfd) = true; |
90ace9e9 JT |
516 | elf_elfheader (obfd)->e_flags = in_flags; |
517 | } | |
518 | ||
0a1b45a2 | 519 | return true; |
90ace9e9 JT |
520 | } |
521 | ||
522 | /* Display the flags field */ | |
0a1b45a2 | 523 | static bool |
2c3fc389 | 524 | elf32_vax_print_private_bfd_data (bfd *abfd, void * ptr) |
90ace9e9 JT |
525 | { |
526 | FILE *file = (FILE *) ptr; | |
527 | ||
528 | BFD_ASSERT (abfd != NULL && ptr != NULL); | |
529 | ||
530 | /* Print normal ELF private data. */ | |
531 | _bfd_elf_print_private_bfd_data (abfd, ptr); | |
532 | ||
533 | /* Ignore init flag - it may not be set, despite the flags field containing valid data. */ | |
534 | ||
535 | /* xgettext:c-format */ | |
536 | fprintf (file, _("private flags = %lx:"), elf_elfheader (abfd)->e_flags); | |
537 | ||
179d3252 | 538 | if (elf_elfheader (abfd)->e_flags & EF_VAX_NONPIC) |
90ace9e9 JT |
539 | fprintf (file, _(" [nonpic]")); |
540 | ||
179d3252 | 541 | if (elf_elfheader (abfd)->e_flags & EF_VAX_DFLOAT) |
90ace9e9 JT |
542 | fprintf (file, _(" [d-float]")); |
543 | ||
179d3252 | 544 | if (elf_elfheader (abfd)->e_flags & EF_VAX_GFLOAT) |
90ace9e9 JT |
545 | fprintf (file, _(" [g-float]")); |
546 | ||
547 | fputc ('\n', file); | |
548 | ||
0a1b45a2 | 549 | return true; |
90ace9e9 JT |
550 | } |
551 | /* Look through the relocs for a section during the first phase, and | |
552 | allocate space in the global offset table or procedure linkage | |
553 | table. */ | |
554 | ||
0a1b45a2 | 555 | static bool |
ce71b576 NC |
556 | elf_vax_check_relocs (bfd *abfd, struct bfd_link_info *info, asection *sec, |
557 | const Elf_Internal_Rela *relocs) | |
90ace9e9 JT |
558 | { |
559 | bfd *dynobj; | |
560 | Elf_Internal_Shdr *symtab_hdr; | |
561 | struct elf_link_hash_entry **sym_hashes; | |
90ace9e9 JT |
562 | const Elf_Internal_Rela *rel; |
563 | const Elf_Internal_Rela *rel_end; | |
90ace9e9 JT |
564 | asection *sreloc; |
565 | ||
0e1862bb | 566 | if (bfd_link_relocatable (info)) |
0a1b45a2 | 567 | return true; |
90ace9e9 JT |
568 | |
569 | dynobj = elf_hash_table (info)->dynobj; | |
570 | symtab_hdr = &elf_tdata (abfd)->symtab_hdr; | |
571 | sym_hashes = elf_sym_hashes (abfd); | |
90ace9e9 | 572 | |
90ace9e9 JT |
573 | sreloc = NULL; |
574 | ||
575 | rel_end = relocs + sec->reloc_count; | |
576 | for (rel = relocs; rel < rel_end; rel++) | |
577 | { | |
578 | unsigned long r_symndx; | |
579 | struct elf_link_hash_entry *h; | |
580 | ||
581 | r_symndx = ELF32_R_SYM (rel->r_info); | |
582 | ||
583 | if (r_symndx < symtab_hdr->sh_info) | |
584 | h = NULL; | |
585 | else | |
973a3492 L |
586 | { |
587 | h = sym_hashes[r_symndx - symtab_hdr->sh_info]; | |
588 | while (h->root.type == bfd_link_hash_indirect | |
589 | || h->root.type == bfd_link_hash_warning) | |
590 | h = (struct elf_link_hash_entry *) h->root.u.i.link; | |
591 | } | |
90ace9e9 JT |
592 | |
593 | switch (ELF32_R_TYPE (rel->r_info)) | |
594 | { | |
595 | case R_VAX_GOT32: | |
fe723c87 | 596 | BFD_ASSERT (h != NULL); |
90ace9e9 | 597 | |
7b6021f1 MR |
598 | /* If this is a local symbol, we resolve it directly without |
599 | creating a global offset table entry. */ | |
0fcf331b | 600 | if (SYMBOL_REFERENCES_LOCAL (info, h) |
125b5bac MR |
601 | || h == elf_hash_table (info)->hgot |
602 | || h == elf_hash_table (info)->hplt) | |
7b6021f1 MR |
603 | break; |
604 | ||
90ace9e9 JT |
605 | /* This symbol requires a global offset table entry. */ |
606 | ||
607 | if (dynobj == NULL) | |
608 | { | |
609 | /* Create the .got section. */ | |
610 | elf_hash_table (info)->dynobj = dynobj = abfd; | |
611 | if (!_bfd_elf_create_got_section (dynobj, info)) | |
0a1b45a2 | 612 | return false; |
90ace9e9 JT |
613 | } |
614 | ||
90ace9e9 JT |
615 | if (h != NULL) |
616 | { | |
617 | struct elf_vax_link_hash_entry *eh; | |
618 | ||
619 | eh = (struct elf_vax_link_hash_entry *) h; | |
620 | if (h->got.refcount == -1) | |
621 | { | |
622 | h->got.refcount = 1; | |
623 | eh->got_addend = rel->r_addend; | |
90ace9e9 JT |
624 | } |
625 | else | |
626 | { | |
627 | h->got.refcount++; | |
628 | if (eh->got_addend != (bfd_vma) rel->r_addend) | |
4eca0228 | 629 | _bfd_error_handler |
695344c0 | 630 | /* xgettext:c-format */ |
2dcf00ce AM |
631 | (_("%pB: warning: GOT addend of %" PRId64 " to `%s' does" |
632 | " not match previous GOT addend of %" PRId64), | |
633 | abfd, (int64_t) rel->r_addend, h->root.root.string, | |
634 | (int64_t) eh->got_addend); | |
cedb70c5 | 635 | |
90ace9e9 JT |
636 | } |
637 | } | |
638 | break; | |
639 | ||
640 | case R_VAX_PLT32: | |
641 | /* This symbol requires a procedure linkage table entry. We | |
642 | actually build the entry in adjust_dynamic_symbol, | |
07d6d2b8 AM |
643 | because this might be a case of linking PIC code which is |
644 | never referenced by a dynamic object, in which case we | |
645 | don't need to generate a procedure linkage table entry | |
646 | after all. */ | |
125b5bac | 647 | BFD_ASSERT (h != NULL); |
90ace9e9 JT |
648 | |
649 | /* If this is a local symbol, we resolve it directly without | |
650 | creating a procedure linkage table entry. */ | |
125b5bac | 651 | if (h->forced_local) |
fe723c87 | 652 | break; |
90ace9e9 | 653 | |
f5385ebf | 654 | h->needs_plt = 1; |
90ace9e9 JT |
655 | if (h->plt.refcount == -1) |
656 | h->plt.refcount = 1; | |
657 | else | |
658 | h->plt.refcount++; | |
659 | break; | |
660 | ||
661 | case R_VAX_PC8: | |
662 | case R_VAX_PC16: | |
663 | case R_VAX_PC32: | |
664 | /* If we are creating a shared library and this is not a local | |
665 | symbol, we need to copy the reloc into the shared library. | |
666 | However when linking with -Bsymbolic and this is a global | |
667 | symbol which is defined in an object we are including in the | |
668 | link (i.e., DEF_REGULAR is set), then we can resolve the | |
669 | reloc directly. At this point we have not seen all the input | |
670 | files, so it is possible that DEF_REGULAR is not set now but | |
671 | will be set later (it is never cleared). We account for that | |
672 | possibility below by storing information in the | |
673 | pcrel_relocs_copied field of the hash table entry. */ | |
0e1862bb | 674 | if (!(bfd_link_pic (info) |
90ace9e9 JT |
675 | && (sec->flags & SEC_ALLOC) != 0 |
676 | && h != NULL | |
677 | && (!info->symbolic | |
f5385ebf | 678 | || !h->def_regular))) |
90ace9e9 | 679 | { |
7b6021f1 MR |
680 | if (h != NULL |
681 | && ELF_ST_VISIBILITY (h->other) == STV_DEFAULT | |
682 | && !h->forced_local) | |
90ace9e9 JT |
683 | { |
684 | /* Make sure a plt entry is created for this symbol if | |
685 | it turns out to be a function defined by a dynamic | |
686 | object. */ | |
687 | if (h->plt.refcount == -1) | |
688 | h->plt.refcount = 1; | |
689 | else | |
690 | h->plt.refcount++; | |
691 | } | |
692 | break; | |
693 | } | |
7b6021f1 MR |
694 | /* If this is a local symbol, we can resolve it directly. */ |
695 | if (h != NULL | |
696 | && (ELF_ST_VISIBILITY (h->other) != STV_DEFAULT | |
697 | || h->forced_local)) | |
fe723c87 MT |
698 | break; |
699 | ||
90ace9e9 JT |
700 | /* Fall through. */ |
701 | case R_VAX_8: | |
702 | case R_VAX_16: | |
703 | case R_VAX_32: | |
7b6021f1 | 704 | if (h != NULL && ELF_ST_VISIBILITY (h->other) == STV_DEFAULT) |
90ace9e9 JT |
705 | { |
706 | /* Make sure a plt entry is created for this symbol if it | |
707 | turns out to be a function defined by a dynamic object. */ | |
708 | if (h->plt.refcount == -1) | |
709 | h->plt.refcount = 1; | |
710 | else | |
711 | h->plt.refcount++; | |
712 | } | |
713 | ||
c4b126b8 L |
714 | /* Non-GOT reference may need a copy reloc in executable or |
715 | a dynamic reloc in shared library. */ | |
716 | if (h != NULL) | |
717 | h->non_got_ref = 1; | |
718 | ||
90ace9e9 JT |
719 | /* If we are creating a shared library, we need to copy the |
720 | reloc into the shared library. */ | |
0e1862bb | 721 | if (bfd_link_pic (info) |
90ace9e9 JT |
722 | && (sec->flags & SEC_ALLOC) != 0) |
723 | { | |
724 | /* When creating a shared object, we must copy these | |
725 | reloc types into the output file. We create a reloc | |
726 | section in dynobj and make room for this reloc. */ | |
727 | if (sreloc == NULL) | |
728 | { | |
83bac4b0 | 729 | sreloc = _bfd_elf_make_dynamic_reloc_section |
0a1b45a2 | 730 | (sec, dynobj, 2, abfd, /*rela?*/ true); |
90ace9e9 | 731 | |
83bac4b0 | 732 | if (sreloc == NULL) |
0a1b45a2 | 733 | return false; |
90ace9e9 | 734 | |
90ace9e9 JT |
735 | if (sec->flags & SEC_READONLY) |
736 | info->flags |= DF_TEXTREL; | |
737 | } | |
738 | ||
eea6121a | 739 | sreloc->size += sizeof (Elf32_External_Rela); |
90ace9e9 JT |
740 | |
741 | /* If we are linking with -Bsymbolic, we count the number of | |
742 | PC relative relocations we have entered for this symbol, | |
743 | so that we can discard them again if the symbol is later | |
744 | defined by a regular object. Note that this function is | |
19852a2a | 745 | only called if we are using a vaxelf linker hash table, |
90ace9e9 JT |
746 | which means that h is really a pointer to an |
747 | elf_vax_link_hash_entry. */ | |
748 | if ((ELF32_R_TYPE (rel->r_info) == R_VAX_PC8 | |
ce71b576 NC |
749 | || ELF32_R_TYPE (rel->r_info) == R_VAX_PC16 |
750 | || ELF32_R_TYPE (rel->r_info) == R_VAX_PC32) | |
90ace9e9 JT |
751 | && info->symbolic) |
752 | { | |
753 | struct elf_vax_link_hash_entry *eh; | |
754 | struct elf_vax_pcrel_relocs_copied *p; | |
755 | ||
756 | eh = (struct elf_vax_link_hash_entry *) h; | |
757 | ||
758 | for (p = eh->pcrel_relocs_copied; p != NULL; p = p->next) | |
759 | if (p->section == sreloc) | |
760 | break; | |
761 | ||
762 | if (p == NULL) | |
763 | { | |
764 | p = ((struct elf_vax_pcrel_relocs_copied *) | |
765 | bfd_alloc (dynobj, (bfd_size_type) sizeof *p)); | |
766 | if (p == NULL) | |
0a1b45a2 | 767 | return false; |
90ace9e9 JT |
768 | p->next = eh->pcrel_relocs_copied; |
769 | eh->pcrel_relocs_copied = p; | |
770 | p->section = sreloc; | |
771 | p->count = 0; | |
772 | } | |
773 | ||
774 | ++p->count; | |
775 | } | |
776 | } | |
777 | ||
778 | break; | |
779 | ||
780 | /* This relocation describes the C++ object vtable hierarchy. | |
781 | Reconstruct it for later use during GC. */ | |
782 | case R_VAX_GNU_VTINHERIT: | |
c152c796 | 783 | if (!bfd_elf_gc_record_vtinherit (abfd, sec, h, rel->r_offset)) |
0a1b45a2 | 784 | return false; |
90ace9e9 JT |
785 | break; |
786 | ||
787 | /* This relocation describes which C++ vtable entries are actually | |
788 | used. Record for later use during GC. */ | |
789 | case R_VAX_GNU_VTENTRY: | |
a0ea3a14 | 790 | if (!bfd_elf_gc_record_vtentry (abfd, sec, h, rel->r_addend)) |
0a1b45a2 | 791 | return false; |
90ace9e9 JT |
792 | break; |
793 | ||
794 | default: | |
795 | break; | |
796 | } | |
797 | } | |
798 | ||
0a1b45a2 | 799 | return true; |
90ace9e9 JT |
800 | } |
801 | ||
802 | /* Return the section that should be marked against GC for a given | |
803 | relocation. */ | |
804 | ||
805 | static asection * | |
ce71b576 | 806 | elf_vax_gc_mark_hook (asection *sec, |
07adf181 | 807 | struct bfd_link_info *info, |
ce71b576 NC |
808 | Elf_Internal_Rela *rel, |
809 | struct elf_link_hash_entry *h, | |
810 | Elf_Internal_Sym *sym) | |
90ace9e9 JT |
811 | { |
812 | if (h != NULL) | |
07adf181 AM |
813 | switch (ELF32_R_TYPE (rel->r_info)) |
814 | { | |
815 | case R_VAX_GNU_VTINHERIT: | |
816 | case R_VAX_GNU_VTENTRY: | |
817 | return NULL; | |
818 | } | |
819 | ||
820 | return _bfd_elf_gc_mark_hook (sec, info, rel, h, sym); | |
90ace9e9 JT |
821 | } |
822 | ||
90ace9e9 JT |
823 | /* Adjust a symbol defined by a dynamic object and referenced by a |
824 | regular object. The current definition is in some section of the | |
825 | dynamic object, but we're not including those sections. We have to | |
826 | change the definition to something the rest of the link can | |
827 | understand. */ | |
828 | ||
0a1b45a2 | 829 | static bool |
a0f0eb1e MR |
830 | elf_vax_adjust_dynamic_symbol (struct bfd_link_info *info, |
831 | struct elf_link_hash_entry *h) | |
90ace9e9 JT |
832 | { |
833 | bfd *dynobj; | |
834 | asection *s; | |
90ace9e9 JT |
835 | |
836 | dynobj = elf_hash_table (info)->dynobj; | |
837 | ||
838 | /* Make sure we know what is going on here. */ | |
839 | BFD_ASSERT (dynobj != NULL | |
f5385ebf | 840 | && (h->needs_plt |
60d67dc8 | 841 | || h->is_weakalias |
f5385ebf AM |
842 | || (h->def_dynamic |
843 | && h->ref_regular | |
844 | && !h->def_regular))); | |
90ace9e9 JT |
845 | |
846 | /* If this is a function, put it in the procedure linkage table. We | |
847 | will fill in the contents of the procedure linkage table later, | |
848 | when we know the address of the .got section. */ | |
849 | if (h->type == STT_FUNC | |
f5385ebf | 850 | || h->needs_plt) |
90ace9e9 | 851 | { |
a22a8039 MR |
852 | if (h->plt.refcount <= 0 |
853 | || SYMBOL_CALLS_LOCAL (info, h) | |
854 | || (ELF_ST_VISIBILITY (h->other) != STV_DEFAULT | |
855 | && h->root.type == bfd_link_hash_undefweak)) | |
90ace9e9 JT |
856 | { |
857 | /* This case can occur if we saw a PLTxx reloc in an input | |
858 | file, but the symbol was never referred to by a dynamic | |
a22a8039 MR |
859 | object, or if all references were garbage collected. In |
860 | such a case, we don't actually need to build a procedure | |
861 | linkage table, and we can just do a PCxx reloc instead. */ | |
90ace9e9 | 862 | h->plt.offset = (bfd_vma) -1; |
f5385ebf | 863 | h->needs_plt = 0; |
0a1b45a2 | 864 | return true; |
90ace9e9 JT |
865 | } |
866 | ||
ce558b89 | 867 | s = elf_hash_table (info)->splt; |
90ace9e9 JT |
868 | BFD_ASSERT (s != NULL); |
869 | ||
870 | /* If this is the first .plt entry, make room for the special | |
871 | first entry. */ | |
eea6121a | 872 | if (s->size == 0) |
90ace9e9 | 873 | { |
eea6121a | 874 | s->size += PLT_ENTRY_SIZE; |
90ace9e9 JT |
875 | } |
876 | ||
877 | /* If this symbol is not defined in a regular file, and we are | |
878 | not generating a shared library, then set the symbol to this | |
879 | location in the .plt. This is required to make function | |
880 | pointers compare as equal between the normal executable and | |
881 | the shared library. */ | |
0e1862bb | 882 | if (!bfd_link_pic (info) |
f5385ebf | 883 | && !h->def_regular) |
90ace9e9 JT |
884 | { |
885 | h->root.u.def.section = s; | |
eea6121a | 886 | h->root.u.def.value = s->size; |
90ace9e9 JT |
887 | } |
888 | ||
eea6121a | 889 | h->plt.offset = s->size; |
90ace9e9 JT |
890 | |
891 | /* Make room for this entry. */ | |
eea6121a | 892 | s->size += PLT_ENTRY_SIZE; |
90ace9e9 JT |
893 | |
894 | /* We also need to make an entry in the .got.plt section, which | |
895 | will be placed in the .got section by the linker script. */ | |
896 | ||
ce558b89 | 897 | s = elf_hash_table (info)->sgotplt; |
90ace9e9 | 898 | BFD_ASSERT (s != NULL); |
eea6121a | 899 | s->size += 4; |
90ace9e9 JT |
900 | |
901 | /* We also need to make an entry in the .rela.plt section. */ | |
902 | ||
ce558b89 | 903 | s = elf_hash_table (info)->srelplt; |
90ace9e9 | 904 | BFD_ASSERT (s != NULL); |
eea6121a | 905 | s->size += sizeof (Elf32_External_Rela); |
90ace9e9 | 906 | |
0a1b45a2 | 907 | return true; |
90ace9e9 JT |
908 | } |
909 | ||
910 | /* Reinitialize the plt offset now that it is not used as a reference | |
911 | count any more. */ | |
912 | h->plt.offset = (bfd_vma) -1; | |
913 | ||
914 | /* If this is a weak symbol, and there is a real definition, the | |
915 | processor independent code will have arranged for us to see the | |
916 | real definition first, and we can just use the same value. */ | |
60d67dc8 | 917 | if (h->is_weakalias) |
90ace9e9 | 918 | { |
60d67dc8 AM |
919 | struct elf_link_hash_entry *def = weakdef (h); |
920 | BFD_ASSERT (def->root.type == bfd_link_hash_defined); | |
921 | h->root.u.def.section = def->root.u.def.section; | |
922 | h->root.u.def.value = def->root.u.def.value; | |
0a1b45a2 | 923 | return true; |
90ace9e9 JT |
924 | } |
925 | ||
926 | /* This is a reference to a symbol defined by a dynamic object which | |
927 | is not a function. */ | |
928 | ||
929 | /* If we are creating a shared library, we must presume that the | |
930 | only references to the symbol are via the global offset table. | |
931 | For such cases we need not do anything here; the relocations will | |
932 | be handled correctly by relocate_section. */ | |
0e1862bb | 933 | if (bfd_link_pic (info)) |
0a1b45a2 | 934 | return true; |
90ace9e9 | 935 | |
c4b126b8 L |
936 | /* If there are no references to this symbol that do not use the |
937 | GOT relocation, we don't need to generate a copy reloc. */ | |
938 | if (!h->non_got_ref) | |
0a1b45a2 | 939 | return true; |
c4b126b8 | 940 | |
90ace9e9 JT |
941 | /* We must allocate the symbol in our .dynbss section, which will |
942 | become part of the .bss section of the executable. There will be | |
943 | an entry for this symbol in the .dynsym section. The dynamic | |
944 | object will contain position independent code, so all references | |
945 | from the dynamic object to this symbol will go through the global | |
946 | offset table. The dynamic linker will use the .dynsym entry to | |
947 | determine the address it must put in the global offset table, so | |
948 | both the dynamic object and the regular object will refer to the | |
949 | same memory location for the variable. */ | |
950 | ||
3d4d4302 | 951 | s = bfd_get_linker_section (dynobj, ".dynbss"); |
90ace9e9 JT |
952 | BFD_ASSERT (s != NULL); |
953 | ||
954 | /* We must generate a R_VAX_COPY reloc to tell the dynamic linker to | |
955 | copy the initial value out of the dynamic object and into the | |
956 | runtime process image. We need to remember the offset into the | |
957 | .rela.bss section we are going to use. */ | |
1d7e9d18 | 958 | if ((h->root.u.def.section->flags & SEC_ALLOC) != 0 && h->size != 0) |
90ace9e9 JT |
959 | { |
960 | asection *srel; | |
961 | ||
3d4d4302 | 962 | srel = bfd_get_linker_section (dynobj, ".rela.bss"); |
90ace9e9 | 963 | BFD_ASSERT (srel != NULL); |
eea6121a | 964 | srel->size += sizeof (Elf32_External_Rela); |
f5385ebf | 965 | h->needs_copy = 1; |
90ace9e9 JT |
966 | } |
967 | ||
6cabe1ea | 968 | return _bfd_elf_adjust_dynamic_copy (info, h, s); |
90ace9e9 JT |
969 | } |
970 | ||
fac3d241 MR |
971 | /* This function is called via elf_link_hash_traverse. It resets GOT |
972 | and PLT (.GOT) reference counts back to -1 so normal PC32 relocation | |
973 | will be done. */ | |
974 | ||
0a1b45a2 | 975 | static bool |
fac3d241 MR |
976 | elf_vax_discard_got_entries (struct elf_link_hash_entry *h, |
977 | void *infoptr ATTRIBUTE_UNUSED) | |
978 | { | |
979 | h->got.refcount = -1; | |
980 | h->plt.refcount = -1; | |
981 | ||
0a1b45a2 | 982 | return true; |
fac3d241 MR |
983 | } |
984 | ||
985 | /* Discard unused dynamic data if this is a static link. */ | |
986 | ||
0a1b45a2 | 987 | static bool |
fac3d241 MR |
988 | elf_vax_always_size_sections (bfd *output_bfd ATTRIBUTE_UNUSED, |
989 | struct bfd_link_info *info) | |
990 | { | |
991 | bfd *dynobj; | |
992 | asection *s; | |
993 | ||
994 | dynobj = elf_hash_table (info)->dynobj; | |
995 | ||
996 | if (dynobj && !elf_hash_table (info)->dynamic_sections_created) | |
997 | { | |
998 | /* We may have created entries in the .rela.got and .got sections. | |
999 | However, if we are not creating the dynamic sections, we will | |
1000 | not actually use these entries. Reset the size of .rela.got | |
49d01bf6 | 1001 | and .got, which will cause them to get stripped from the output |
fac3d241 | 1002 | file below. */ |
ce558b89 | 1003 | s = elf_hash_table (info)->srelgot; |
fac3d241 MR |
1004 | if (s != NULL) |
1005 | s->size = 0; | |
ce558b89 | 1006 | s = elf_hash_table (info)->sgotplt; |
fac3d241 MR |
1007 | if (s != NULL) |
1008 | s->size = 0; | |
ce558b89 | 1009 | s = elf_hash_table (info)->sgot; |
fac3d241 MR |
1010 | if (s != NULL) |
1011 | s->size = 0; | |
1012 | } | |
1013 | ||
1014 | /* If this is a static link, we need to discard all the got entries we've | |
1015 | recorded. */ | |
1016 | if (!dynobj || !elf_hash_table (info)->dynamic_sections_created) | |
1017 | elf_link_hash_traverse (elf_hash_table (info), | |
1018 | elf_vax_discard_got_entries, | |
1019 | info); | |
1020 | ||
0a1b45a2 | 1021 | return true; |
fac3d241 MR |
1022 | } |
1023 | ||
90ace9e9 JT |
1024 | /* Set the sizes of the dynamic sections. */ |
1025 | ||
0a1b45a2 | 1026 | static bool |
ce71b576 | 1027 | elf_vax_size_dynamic_sections (bfd *output_bfd, struct bfd_link_info *info) |
90ace9e9 JT |
1028 | { |
1029 | bfd *dynobj; | |
1030 | asection *s; | |
0a1b45a2 | 1031 | bool relocs; |
90ace9e9 JT |
1032 | |
1033 | dynobj = elf_hash_table (info)->dynobj; | |
1034 | BFD_ASSERT (dynobj != NULL); | |
1035 | ||
1036 | if (elf_hash_table (info)->dynamic_sections_created) | |
1037 | { | |
1038 | /* Set the contents of the .interp section to the interpreter. */ | |
9b8b325a | 1039 | if (bfd_link_executable (info) && !info->nointerp) |
90ace9e9 | 1040 | { |
3d4d4302 | 1041 | s = bfd_get_linker_section (dynobj, ".interp"); |
90ace9e9 | 1042 | BFD_ASSERT (s != NULL); |
eea6121a | 1043 | s->size = sizeof ELF_DYNAMIC_INTERPRETER; |
90ace9e9 JT |
1044 | s->contents = (unsigned char *) ELF_DYNAMIC_INTERPRETER; |
1045 | } | |
1046 | } | |
90ace9e9 JT |
1047 | |
1048 | /* If this is a -Bsymbolic shared link, then we need to discard all PC | |
1049 | relative relocs against symbols defined in a regular object. We | |
1050 | allocated space for them in the check_relocs routine, but we will not | |
1051 | fill them in in the relocate_section routine. */ | |
0e1862bb | 1052 | if (bfd_link_pic (info) && info->symbolic) |
4dfe6ac6 | 1053 | elf_vax_link_hash_traverse (elf_hash_table (info), |
b29635ba | 1054 | elf_vax_discard_copies, |
ce71b576 | 1055 | NULL); |
b29635ba | 1056 | |
fac3d241 MR |
1057 | /* If this is a -Bsymbolic shared link, we need to discard all the got |
1058 | entries we've recorded. Otherwise, we need to instantiate (allocate | |
1059 | space for them). */ | |
b29635ba JT |
1060 | elf_link_hash_traverse (elf_hash_table (info), |
1061 | elf_vax_instantiate_got_entries, | |
2c3fc389 | 1062 | info); |
90ace9e9 JT |
1063 | |
1064 | /* The check_relocs and adjust_dynamic_symbol entry points have | |
1065 | determined the sizes of the various dynamic sections. Allocate | |
1066 | memory for them. */ | |
0a1b45a2 | 1067 | relocs = false; |
90ace9e9 JT |
1068 | for (s = dynobj->sections; s != NULL; s = s->next) |
1069 | { | |
1070 | const char *name; | |
90ace9e9 JT |
1071 | |
1072 | if ((s->flags & SEC_LINKER_CREATED) == 0) | |
1073 | continue; | |
1074 | ||
1075 | /* It's OK to base decisions on the section name, because none | |
1076 | of the dynobj section names depend upon the input files. */ | |
fd361982 | 1077 | name = bfd_section_name (s); |
90ace9e9 | 1078 | |
90ace9e9 JT |
1079 | if (strcmp (name, ".plt") == 0) |
1080 | { | |
c456f082 | 1081 | /* Remember whether there is a PLT. */ |
3084d7a2 | 1082 | ; |
90ace9e9 | 1083 | } |
08dedd66 | 1084 | else if (startswith (name, ".rela")) |
90ace9e9 | 1085 | { |
c456f082 | 1086 | if (s->size != 0) |
90ace9e9 | 1087 | { |
90ace9e9 | 1088 | if (strcmp (name, ".rela.plt") != 0) |
0a1b45a2 | 1089 | relocs = true; |
90ace9e9 JT |
1090 | |
1091 | /* We use the reloc_count field as a counter if we need | |
1092 | to copy relocs into the output file. */ | |
1093 | s->reloc_count = 0; | |
1094 | } | |
1095 | } | |
08dedd66 | 1096 | else if (! startswith (name, ".got") |
c456f082 | 1097 | && strcmp (name, ".dynbss") != 0) |
90ace9e9 JT |
1098 | { |
1099 | /* It's not one of our sections, so don't allocate space. */ | |
1100 | continue; | |
1101 | } | |
1102 | ||
c456f082 | 1103 | if (s->size == 0) |
90ace9e9 | 1104 | { |
c456f082 AM |
1105 | /* If we don't need this section, strip it from the |
1106 | output file. This is mostly to handle .rela.bss and | |
1107 | .rela.plt. We must create both sections in | |
1108 | create_dynamic_sections, because they must be created | |
1109 | before the linker maps input sections to output | |
1110 | sections. The linker does that before | |
1111 | adjust_dynamic_symbol is called, and it is that | |
1112 | function which decides whether anything needs to go | |
1113 | into these sections. */ | |
8423293d | 1114 | s->flags |= SEC_EXCLUDE; |
90ace9e9 JT |
1115 | continue; |
1116 | } | |
1117 | ||
c456f082 AM |
1118 | if ((s->flags & SEC_HAS_CONTENTS) == 0) |
1119 | continue; | |
1120 | ||
90ace9e9 | 1121 | /* Allocate memory for the section contents. */ |
eb9a5ecf | 1122 | s->contents = (bfd_byte *) bfd_zalloc (dynobj, s->size); |
c456f082 | 1123 | if (s->contents == NULL) |
0a1b45a2 | 1124 | return false; |
90ace9e9 JT |
1125 | } |
1126 | ||
3084d7a2 | 1127 | return _bfd_elf_add_dynamic_tags (output_bfd, info, relocs); |
90ace9e9 JT |
1128 | } |
1129 | ||
1130 | /* This function is called via elf_vax_link_hash_traverse if we are | |
1131 | creating a shared object with -Bsymbolic. It discards the space | |
1132 | allocated to copy PC relative relocs against symbols which are defined | |
1133 | in regular objects. We allocated space for them in the check_relocs | |
1134 | routine, but we won't fill them in in the relocate_section routine. */ | |
1135 | ||
0a1b45a2 | 1136 | static bool |
ce71b576 | 1137 | elf_vax_discard_copies (struct elf_vax_link_hash_entry *h, |
2c3fc389 | 1138 | void * ignore ATTRIBUTE_UNUSED) |
90ace9e9 JT |
1139 | { |
1140 | struct elf_vax_pcrel_relocs_copied *s; | |
1141 | ||
90ace9e9 | 1142 | /* We only discard relocs for symbols defined in a regular object. */ |
f5385ebf | 1143 | if (!h->root.def_regular) |
0a1b45a2 | 1144 | return true; |
90ace9e9 JT |
1145 | |
1146 | for (s = h->pcrel_relocs_copied; s != NULL; s = s->next) | |
eea6121a | 1147 | s->section->size -= s->count * sizeof (Elf32_External_Rela); |
90ace9e9 | 1148 | |
0a1b45a2 | 1149 | return true; |
90ace9e9 JT |
1150 | } |
1151 | ||
fac3d241 MR |
1152 | /* This function is called via elf_link_hash_traverse. It looks for |
1153 | entries that have GOT or PLT (.GOT) references. If creating a shared | |
1154 | object with -Bsymbolic, or the symbol has been forced local, then it | |
1155 | resets the reference count back to -1 so normal PC32 relocation will | |
1156 | be done. Otherwise space in the .got and .rela.got will be reserved | |
1157 | for the symbol. */ | |
b29635ba | 1158 | |
0a1b45a2 | 1159 | static bool |
2c3fc389 | 1160 | elf_vax_instantiate_got_entries (struct elf_link_hash_entry *h, void * infoptr) |
b29635ba JT |
1161 | { |
1162 | struct bfd_link_info *info = (struct bfd_link_info *) infoptr; | |
1163 | bfd *dynobj; | |
1164 | asection *sgot; | |
1165 | asection *srelgot; | |
b34976b6 | 1166 | |
b29635ba JT |
1167 | /* We don't care about non-GOT (and non-PLT) entries. */ |
1168 | if (h->got.refcount <= 0 && h->plt.refcount <= 0) | |
0a1b45a2 | 1169 | return true; |
b29635ba JT |
1170 | |
1171 | dynobj = elf_hash_table (info)->dynobj; | |
fac3d241 | 1172 | BFD_ASSERT (dynobj != NULL); |
b29635ba | 1173 | |
ce558b89 AM |
1174 | sgot = elf_hash_table (info)->sgot; |
1175 | srelgot = elf_hash_table (info)->srelgot; | |
b29635ba | 1176 | |
125b5bac | 1177 | if (SYMBOL_REFERENCES_LOCAL (info, h)) |
b29635ba | 1178 | { |
8be65dd3 MR |
1179 | h->got.refcount = -1; |
1180 | h->plt.refcount = -1; | |
b29635ba JT |
1181 | } |
1182 | else if (h->got.refcount > 0) | |
1183 | { | |
1184 | /* Make sure this symbol is output as a dynamic symbol. */ | |
1185 | if (h->dynindx == -1) | |
1186 | { | |
c152c796 | 1187 | if (!bfd_elf_link_record_dynamic_symbol (info, h)) |
0a1b45a2 | 1188 | return false; |
b29635ba JT |
1189 | } |
1190 | ||
1191 | /* Allocate space in the .got and .rela.got sections. */ | |
125b5bac MR |
1192 | sgot->size += 4; |
1193 | srelgot->size += sizeof (Elf32_External_Rela); | |
b29635ba JT |
1194 | } |
1195 | ||
0a1b45a2 | 1196 | return true; |
b29635ba JT |
1197 | } |
1198 | ||
90ace9e9 JT |
1199 | /* Relocate an VAX ELF section. */ |
1200 | ||
0f684201 | 1201 | static int |
ce71b576 NC |
1202 | elf_vax_relocate_section (bfd *output_bfd, |
1203 | struct bfd_link_info *info, | |
1204 | bfd *input_bfd, | |
1205 | asection *input_section, | |
1206 | bfd_byte *contents, | |
1207 | Elf_Internal_Rela *relocs, | |
1208 | Elf_Internal_Sym *local_syms, | |
1209 | asection **local_sections) | |
90ace9e9 | 1210 | { |
90ace9e9 JT |
1211 | Elf_Internal_Shdr *symtab_hdr; |
1212 | struct elf_link_hash_entry **sym_hashes; | |
90ace9e9 JT |
1213 | bfd_vma plt_index; |
1214 | bfd_vma got_offset; | |
1215 | asection *sgot; | |
1216 | asection *splt; | |
1217 | asection *sgotplt; | |
1218 | asection *sreloc; | |
1219 | Elf_Internal_Rela *rel; | |
1220 | Elf_Internal_Rela *relend; | |
1221 | ||
90ace9e9 JT |
1222 | symtab_hdr = &elf_tdata (input_bfd)->symtab_hdr; |
1223 | sym_hashes = elf_sym_hashes (input_bfd); | |
90ace9e9 JT |
1224 | |
1225 | sgot = NULL; | |
1226 | splt = NULL; | |
1227 | sgotplt = NULL; | |
1228 | sreloc = NULL; | |
1229 | ||
1230 | rel = relocs; | |
1231 | relend = relocs + input_section->reloc_count; | |
1232 | for (; rel < relend; rel++) | |
1233 | { | |
1234 | int r_type; | |
1235 | reloc_howto_type *howto; | |
1236 | unsigned long r_symndx; | |
1237 | struct elf_link_hash_entry *h; | |
1238 | Elf_Internal_Sym *sym; | |
1239 | asection *sec; | |
1240 | bfd_vma relocation; | |
1241 | bfd_reloc_status_type r; | |
1242 | ||
1243 | r_type = ELF32_R_TYPE (rel->r_info); | |
1244 | if (r_type < 0 || r_type >= (int) R_VAX_max) | |
1245 | { | |
1246 | bfd_set_error (bfd_error_bad_value); | |
0a1b45a2 | 1247 | return false; |
90ace9e9 JT |
1248 | } |
1249 | howto = howto_table + r_type; | |
1250 | ||
f0fe0e16 | 1251 | r_symndx = ELF32_R_SYM (rel->r_info); |
90ace9e9 JT |
1252 | h = NULL; |
1253 | sym = NULL; | |
1254 | sec = NULL; | |
1255 | if (r_symndx < symtab_hdr->sh_info) | |
1256 | { | |
1257 | sym = local_syms + r_symndx; | |
1258 | sec = local_sections[r_symndx]; | |
8517fae7 | 1259 | relocation = _bfd_elf_rela_local_sym (output_bfd, sym, &sec, rel); |
90ace9e9 JT |
1260 | } |
1261 | else | |
1262 | { | |
0a1b45a2 AM |
1263 | bool unresolved_reloc; |
1264 | bool warned, ignored; | |
560e09e9 | 1265 | |
b2a8e766 AM |
1266 | RELOC_FOR_GLOBAL_SYMBOL (info, input_bfd, input_section, rel, |
1267 | r_symndx, symtab_hdr, sym_hashes, | |
1268 | h, sec, relocation, | |
62d887d4 | 1269 | unresolved_reloc, warned, ignored); |
ce71b576 | 1270 | |
560e09e9 | 1271 | if ((h->root.type == bfd_link_hash_defined |
90ace9e9 | 1272 | || h->root.type == bfd_link_hash_defweak) |
560e09e9 | 1273 | && ((r_type == R_VAX_PLT32 |
90ace9e9 | 1274 | && h->plt.offset != (bfd_vma) -1 |
fe723c87 | 1275 | && !h->forced_local |
90ace9e9 JT |
1276 | && elf_hash_table (info)->dynamic_sections_created) |
1277 | || (r_type == R_VAX_GOT32 | |
fe723c87 MT |
1278 | && h->got.offset != (bfd_vma) -1 |
1279 | && !h->forced_local | |
90ace9e9 | 1280 | && elf_hash_table (info)->dynamic_sections_created |
0e1862bb | 1281 | && (! bfd_link_pic (info) |
90ace9e9 | 1282 | || (! info->symbolic && h->dynindx != -1) |
f5385ebf | 1283 | || !h->def_regular)) |
0e1862bb | 1284 | || (bfd_link_pic (info) |
90ace9e9 | 1285 | && ((! info->symbolic && h->dynindx != -1) |
f5385ebf | 1286 | || !h->def_regular) |
90ace9e9 JT |
1287 | && ((input_section->flags & SEC_ALLOC) != 0 |
1288 | /* DWARF will emit R_VAX_32 relocations in its | |
1289 | sections against symbols defined externally | |
1290 | in shared libraries. We can't do anything | |
1291 | with them here. */ | |
1292 | ||
1293 | || ((input_section->flags & SEC_DEBUGGING) != 0 | |
f5385ebf | 1294 | && h->def_dynamic)) |
90ace9e9 JT |
1295 | && (r_type == R_VAX_8 |
1296 | || r_type == R_VAX_16 | |
fe723c87 | 1297 | || r_type == R_VAX_32)))) |
560e09e9 NC |
1298 | /* In these cases, we don't need the relocation |
1299 | value. We check specially because in some | |
1300 | obscure cases sec->output_section will be NULL. */ | |
90ace9e9 | 1301 | relocation = 0; |
90ace9e9 JT |
1302 | } |
1303 | ||
dbaa2011 | 1304 | if (sec != NULL && discarded_section (sec)) |
e4067dbb | 1305 | RELOC_AGAINST_DISCARDED_SECTION (info, input_bfd, input_section, |
545fd46b | 1306 | rel, 1, relend, howto, 0, contents); |
ab96bf03 | 1307 | |
0e1862bb | 1308 | if (bfd_link_relocatable (info)) |
ab96bf03 AM |
1309 | continue; |
1310 | ||
90ace9e9 JT |
1311 | switch (r_type) |
1312 | { | |
1313 | case R_VAX_GOT32: | |
1314 | /* Relocation is to the address of the entry for this symbol | |
1315 | in the global offset table. */ | |
125b5bac MR |
1316 | |
1317 | /* Resolve a GOTxx reloc against a local symbol directly, | |
1318 | without using the global offset table. */ | |
7b6021f1 | 1319 | if (h == NULL |
125b5bac | 1320 | || h->got.offset == (bfd_vma) -1) |
90ace9e9 JT |
1321 | break; |
1322 | ||
90ace9e9 JT |
1323 | { |
1324 | bfd_vma off; | |
1325 | ||
ce558b89 AM |
1326 | sgot = elf_hash_table (info)->sgot; |
1327 | BFD_ASSERT (sgot != NULL); | |
90ace9e9 | 1328 | |
90ace9e9 | 1329 | off = h->got.offset; |
eea6121a | 1330 | BFD_ASSERT (off < sgot->size); |
90ace9e9 | 1331 | |
125b5bac | 1332 | bfd_put_32 (output_bfd, rel->r_addend, sgot->contents + off); |
90ace9e9 JT |
1333 | |
1334 | relocation = sgot->output_offset + off; | |
b29635ba | 1335 | /* The GOT relocation uses the addend. */ |
90ace9e9 JT |
1336 | rel->r_addend = 0; |
1337 | ||
b29635ba JT |
1338 | /* Change the reference to be indirect. */ |
1339 | contents[rel->r_offset - 1] |= 0x10; | |
1340 | relocation += sgot->output_section->vma; | |
90ace9e9 JT |
1341 | } |
1342 | break; | |
1343 | ||
04981bc1 MR |
1344 | case R_VAX_PC32: |
1345 | /* If we are creating an executable and the function this | |
1346 | reloc refers to is in a shared lib, then we made a PLT | |
1347 | entry for this symbol and need to handle the reloc like | |
1348 | a PLT reloc. */ | |
0e1862bb | 1349 | if (bfd_link_pic (info)) |
04981bc1 MR |
1350 | goto r_vax_pc32_shared; |
1351 | /* Fall through. */ | |
90ace9e9 JT |
1352 | case R_VAX_PLT32: |
1353 | /* Relocation is to the entry for this symbol in the | |
1354 | procedure linkage table. */ | |
1355 | ||
1356 | /* Resolve a PLTxx reloc against a local symbol directly, | |
1357 | without using the procedure linkage table. */ | |
7b6021f1 | 1358 | if (h == NULL |
125b5bac | 1359 | || h->plt.offset == (bfd_vma) -1) |
90ace9e9 JT |
1360 | break; |
1361 | ||
ce558b89 AM |
1362 | splt = elf_hash_table (info)->splt; |
1363 | BFD_ASSERT (splt != NULL); | |
90ace9e9 | 1364 | |
ce558b89 AM |
1365 | sgotplt = elf_hash_table (info)->sgotplt; |
1366 | BFD_ASSERT (sgotplt != NULL); | |
90ace9e9 JT |
1367 | |
1368 | plt_index = h->plt.offset / PLT_ENTRY_SIZE - 1; | |
1369 | ||
1370 | /* Get the offset into the .got table of the entry that | |
1371 | corresponds to this function. Each .got entry is 4 bytes. | |
1372 | The first two are reserved. */ | |
1373 | got_offset = (plt_index + 3) * 4; | |
1374 | ||
9e86195c | 1375 | /* We want the relocation to point into the .got.plt instead |
cedb70c5 | 1376 | of the plt itself. */ |
90ace9e9 JT |
1377 | relocation = (sgotplt->output_section->vma |
1378 | + sgotplt->output_offset | |
1379 | + got_offset); | |
1380 | contents[rel->r_offset-1] |= 0x10; /* make indirect */ | |
1381 | if (rel->r_addend == 2) | |
1382 | { | |
1383 | h->plt.offset |= 1; | |
1384 | } | |
1385 | else if (rel->r_addend != 0) | |
4eca0228 | 1386 | _bfd_error_handler |
695344c0 | 1387 | /* xgettext:c-format */ |
2dcf00ce | 1388 | (_("%pB: warning: PLT addend of %" PRId64 " to `%s'" |
871b3ab2 | 1389 | " from %pA section ignored"), |
2dcf00ce AM |
1390 | input_bfd, (int64_t) rel->r_addend, h->root.root.string, |
1391 | input_section); | |
90ace9e9 JT |
1392 | rel->r_addend = 0; |
1393 | ||
1394 | break; | |
1395 | ||
1396 | case R_VAX_PC8: | |
1397 | case R_VAX_PC16: | |
04981bc1 | 1398 | r_vax_pc32_shared: |
7b6021f1 MR |
1399 | if (h == NULL |
1400 | || ELF_ST_VISIBILITY (h->other) != STV_DEFAULT | |
1401 | || h->forced_local) | |
90ace9e9 JT |
1402 | break; |
1403 | /* Fall through. */ | |
1404 | case R_VAX_8: | |
1405 | case R_VAX_16: | |
1406 | case R_VAX_32: | |
0e1862bb | 1407 | if (bfd_link_pic (info) |
cf35638d | 1408 | && r_symndx != STN_UNDEF |
90ace9e9 JT |
1409 | && (input_section->flags & SEC_ALLOC) != 0 |
1410 | && ((r_type != R_VAX_PC8 | |
1411 | && r_type != R_VAX_PC16 | |
1412 | && r_type != R_VAX_PC32) | |
da6bcfca MT |
1413 | || ((input_section->flags & SEC_CODE) |
1414 | && (!info->symbolic | |
1415 | || (!h->def_regular && h->type != STT_SECTION))))) | |
90ace9e9 JT |
1416 | { |
1417 | Elf_Internal_Rela outrel; | |
947216bf | 1418 | bfd_byte *loc; |
0a1b45a2 | 1419 | bool skip, relocate; |
90ace9e9 JT |
1420 | |
1421 | /* When generating a shared object, these relocations | |
1422 | are copied into the output file to be resolved at run | |
1423 | time. */ | |
90ace9e9 JT |
1424 | if (sreloc == NULL) |
1425 | { | |
83bac4b0 | 1426 | sreloc = _bfd_elf_get_dynamic_reloc_section |
0a1b45a2 | 1427 | (input_bfd, input_section, /*rela?*/ true); |
83bac4b0 | 1428 | if (sreloc == NULL) |
0a1b45a2 | 1429 | return false; |
90ace9e9 JT |
1430 | } |
1431 | ||
0a1b45a2 AM |
1432 | skip = false; |
1433 | relocate = false; | |
90ace9e9 JT |
1434 | |
1435 | outrel.r_offset = | |
1436 | _bfd_elf_section_offset (output_bfd, info, input_section, | |
1437 | rel->r_offset); | |
1438 | if (outrel.r_offset == (bfd_vma) -1) | |
0a1b45a2 | 1439 | skip = true; |
90ace9e9 | 1440 | if (outrel.r_offset == (bfd_vma) -2) |
0a1b45a2 | 1441 | skip = true, relocate = true; |
90ace9e9 JT |
1442 | outrel.r_offset += (input_section->output_section->vma |
1443 | + input_section->output_offset); | |
1444 | ||
1445 | if (skip) | |
1446 | memset (&outrel, 0, sizeof outrel); | |
1447 | /* h->dynindx may be -1 if the symbol was marked to | |
07d6d2b8 | 1448 | become local. */ |
90ace9e9 JT |
1449 | else if (h != NULL |
1450 | && ((! info->symbolic && h->dynindx != -1) | |
f5385ebf | 1451 | || !h->def_regular)) |
90ace9e9 JT |
1452 | { |
1453 | BFD_ASSERT (h->dynindx != -1); | |
1454 | outrel.r_info = ELF32_R_INFO (h->dynindx, r_type); | |
1455 | outrel.r_addend = relocation + rel->r_addend; | |
1456 | } | |
1457 | else | |
1458 | { | |
1459 | if (r_type == R_VAX_32) | |
1460 | { | |
0a1b45a2 | 1461 | relocate = true; |
90ace9e9 JT |
1462 | outrel.r_info = ELF32_R_INFO (0, R_VAX_RELATIVE); |
1463 | BFD_ASSERT (bfd_get_signed_32 (input_bfd, | |
1464 | &contents[rel->r_offset]) == 0); | |
1465 | outrel.r_addend = relocation + rel->r_addend; | |
1466 | } | |
1467 | else | |
1468 | { | |
1469 | long indx; | |
1470 | ||
8517fae7 | 1471 | if (bfd_is_abs_section (sec)) |
90ace9e9 JT |
1472 | indx = 0; |
1473 | else if (sec == NULL || sec->owner == NULL) | |
1474 | { | |
1475 | bfd_set_error (bfd_error_bad_value); | |
0a1b45a2 | 1476 | return false; |
90ace9e9 JT |
1477 | } |
1478 | else | |
1479 | { | |
1480 | asection *osec; | |
1481 | ||
74541ad4 AM |
1482 | /* We are turning this relocation into one |
1483 | against a section symbol. It would be | |
1484 | proper to subtract the symbol's value, | |
1485 | osec->vma, from the emitted reloc addend, | |
1486 | but ld.so expects buggy relocs. */ | |
90ace9e9 JT |
1487 | osec = sec->output_section; |
1488 | indx = elf_section_data (osec)->dynindx; | |
74541ad4 AM |
1489 | if (indx == 0) |
1490 | { | |
1491 | struct elf_link_hash_table *htab; | |
1492 | htab = elf_hash_table (info); | |
1493 | osec = htab->text_index_section; | |
1494 | indx = elf_section_data (osec)->dynindx; | |
1495 | } | |
1496 | BFD_ASSERT (indx != 0); | |
90ace9e9 JT |
1497 | } |
1498 | ||
1499 | outrel.r_info = ELF32_R_INFO (indx, r_type); | |
1500 | outrel.r_addend = relocation + rel->r_addend; | |
1501 | } | |
1502 | } | |
1503 | ||
ddd74d3c | 1504 | if ((input_section->flags & SEC_CODE) != 0 |
751c1fe7 | 1505 | || (ELF32_R_TYPE (outrel.r_info) != R_VAX_32 |
ddd74d3c MR |
1506 | && ELF32_R_TYPE (outrel.r_info) != R_VAX_RELATIVE |
1507 | && ELF32_R_TYPE (outrel.r_info) != R_VAX_COPY | |
1508 | && ELF32_R_TYPE (outrel.r_info) != R_VAX_JMP_SLOT | |
1509 | && ELF32_R_TYPE (outrel.r_info) != R_VAX_GLOB_DAT)) | |
90ace9e9 JT |
1510 | { |
1511 | if (h != NULL) | |
4eca0228 | 1512 | _bfd_error_handler |
695344c0 | 1513 | /* xgettext:c-format */ |
871b3ab2 AM |
1514 | (_("%pB: warning: %s relocation against symbol `%s'" |
1515 | " from %pA section"), | |
dae82561 AM |
1516 | input_bfd, howto->name, h->root.root.string, |
1517 | input_section); | |
90ace9e9 | 1518 | else |
4eca0228 | 1519 | _bfd_error_handler |
695344c0 | 1520 | /* xgettext:c-format */ |
2dcf00ce AM |
1521 | (_("%pB: warning: %s relocation to %#" PRIx64 |
1522 | " from %pA section"), | |
1523 | input_bfd, howto->name, (uint64_t) outrel.r_addend, | |
dae82561 | 1524 | input_section); |
90ace9e9 | 1525 | } |
947216bf AM |
1526 | loc = sreloc->contents; |
1527 | loc += sreloc->reloc_count++ * sizeof (Elf32_External_Rela); | |
1528 | bfd_elf32_swap_reloca_out (output_bfd, &outrel, loc); | |
90ace9e9 JT |
1529 | |
1530 | /* This reloc will be computed at runtime, so there's no | |
07d6d2b8 AM |
1531 | need to do anything now, except for R_VAX_32 |
1532 | relocations that have been turned into | |
1533 | R_VAX_RELATIVE. */ | |
90ace9e9 JT |
1534 | if (!relocate) |
1535 | continue; | |
1536 | } | |
1537 | ||
1538 | break; | |
1539 | ||
1540 | case R_VAX_GNU_VTINHERIT: | |
1541 | case R_VAX_GNU_VTENTRY: | |
1542 | /* These are no-ops in the end. */ | |
1543 | continue; | |
1544 | ||
1545 | default: | |
1546 | break; | |
1547 | } | |
1548 | ||
b34976b6 | 1549 | /* VAX PCREL relocations are from the end of relocation, not the start. |
07d6d2b8 AM |
1550 | So subtract the difference from the relocation amount since we can't |
1551 | add it to the offset. */ | |
90ace9e9 | 1552 | if (howto->pc_relative && howto->pcrel_offset) |
b29635ba | 1553 | relocation -= bfd_get_reloc_size(howto); |
90ace9e9 JT |
1554 | |
1555 | r = _bfd_final_link_relocate (howto, input_bfd, input_section, | |
1556 | contents, rel->r_offset, | |
1557 | relocation, rel->r_addend); | |
1558 | ||
1559 | if (r != bfd_reloc_ok) | |
1560 | { | |
1561 | switch (r) | |
1562 | { | |
1563 | default: | |
1564 | case bfd_reloc_outofrange: | |
1565 | abort (); | |
1566 | case bfd_reloc_overflow: | |
1567 | { | |
1568 | const char *name; | |
1569 | ||
1570 | if (h != NULL) | |
dfeffb9f | 1571 | name = NULL; |
90ace9e9 JT |
1572 | else |
1573 | { | |
1574 | name = bfd_elf_string_from_elf_section (input_bfd, | |
1575 | symtab_hdr->sh_link, | |
1576 | sym->st_name); | |
1577 | if (name == NULL) | |
0a1b45a2 | 1578 | return false; |
90ace9e9 | 1579 | if (*name == '\0') |
fd361982 | 1580 | name = bfd_section_name (sec); |
90ace9e9 | 1581 | } |
1a72702b AM |
1582 | info->callbacks->reloc_overflow |
1583 | (info, (h ? &h->root : NULL), name, howto->name, | |
1584 | (bfd_vma) 0, input_bfd, input_section, rel->r_offset); | |
90ace9e9 JT |
1585 | } |
1586 | break; | |
1587 | } | |
1588 | } | |
1589 | } | |
1590 | ||
0a1b45a2 | 1591 | return true; |
90ace9e9 JT |
1592 | } |
1593 | ||
1594 | /* Finish up dynamic symbol handling. We set the contents of various | |
1595 | dynamic sections here. */ | |
1596 | ||
0a1b45a2 | 1597 | static bool |
ce71b576 NC |
1598 | elf_vax_finish_dynamic_symbol (bfd *output_bfd, struct bfd_link_info *info, |
1599 | struct elf_link_hash_entry *h, | |
1600 | Elf_Internal_Sym *sym) | |
90ace9e9 JT |
1601 | { |
1602 | bfd *dynobj; | |
1603 | ||
1604 | dynobj = elf_hash_table (info)->dynobj; | |
1605 | ||
1606 | if (h->plt.offset != (bfd_vma) -1) | |
1607 | { | |
1608 | asection *splt; | |
1609 | asection *sgot; | |
1610 | asection *srela; | |
1611 | bfd_vma plt_index; | |
1612 | bfd_vma got_offset; | |
1613 | bfd_vma addend; | |
1614 | Elf_Internal_Rela rela; | |
947216bf | 1615 | bfd_byte *loc; |
90ace9e9 JT |
1616 | |
1617 | /* This symbol has an entry in the procedure linkage table. Set | |
1618 | it up. */ | |
90ace9e9 JT |
1619 | BFD_ASSERT (h->dynindx != -1); |
1620 | ||
ce558b89 AM |
1621 | splt = elf_hash_table (info)->splt; |
1622 | sgot = elf_hash_table (info)->sgotplt; | |
1623 | srela = elf_hash_table (info)->srelplt; | |
90ace9e9 JT |
1624 | BFD_ASSERT (splt != NULL && sgot != NULL && srela != NULL); |
1625 | ||
1626 | addend = 2 * (h->plt.offset & 1); | |
1627 | h->plt.offset &= ~1; | |
1628 | ||
1629 | /* Get the index in the procedure linkage table which | |
1630 | corresponds to this symbol. This is the index of this symbol | |
1631 | in all the symbols for which we are making plt entries. The | |
1632 | first entry in the procedure linkage table is reserved. */ | |
1633 | plt_index = h->plt.offset / PLT_ENTRY_SIZE - 1; | |
1634 | ||
1635 | /* Get the offset into the .got table of the entry that | |
1636 | corresponds to this function. Each .got entry is 4 bytes. | |
1637 | The first two are reserved. */ | |
1638 | got_offset = (plt_index + 3) * 4; | |
1639 | ||
1640 | /* Fill in the entry in the procedure linkage table. */ | |
1641 | memcpy (splt->contents + h->plt.offset, elf_vax_plt_entry, | |
07d6d2b8 | 1642 | PLT_ENTRY_SIZE); |
90ace9e9 JT |
1643 | |
1644 | /* The offset is relative to the first extension word. */ | |
1645 | bfd_put_32 (output_bfd, | |
1646 | -(h->plt.offset + 8), | |
1647 | splt->contents + h->plt.offset + 4); | |
1648 | ||
1649 | bfd_put_32 (output_bfd, plt_index * sizeof (Elf32_External_Rela), | |
1650 | splt->contents + h->plt.offset + 8); | |
1651 | ||
1652 | /* Fill in the entry in the global offset table. */ | |
1653 | bfd_put_32 (output_bfd, | |
1654 | (splt->output_section->vma | |
1655 | + splt->output_offset | |
1656 | + h->plt.offset) + addend, | |
1657 | sgot->contents + got_offset); | |
1658 | ||
1659 | /* Fill in the entry in the .rela.plt section. */ | |
1660 | rela.r_offset = (sgot->output_section->vma | |
1661 | + sgot->output_offset | |
1662 | + got_offset); | |
1663 | rela.r_info = ELF32_R_INFO (h->dynindx, R_VAX_JMP_SLOT); | |
1664 | rela.r_addend = addend; | |
947216bf AM |
1665 | loc = srela->contents + plt_index * sizeof (Elf32_External_Rela); |
1666 | bfd_elf32_swap_reloca_out (output_bfd, &rela, loc); | |
90ace9e9 | 1667 | |
f5385ebf | 1668 | if (!h->def_regular) |
90ace9e9 JT |
1669 | { |
1670 | /* Mark the symbol as undefined, rather than as defined in | |
1671 | the .plt section. Leave the value alone. */ | |
1672 | sym->st_shndx = SHN_UNDEF; | |
1673 | } | |
1674 | } | |
1675 | ||
1676 | if (h->got.offset != (bfd_vma) -1) | |
1677 | { | |
1678 | asection *sgot; | |
1679 | asection *srela; | |
1680 | Elf_Internal_Rela rela; | |
947216bf | 1681 | bfd_byte *loc; |
90ace9e9 JT |
1682 | |
1683 | /* This symbol has an entry in the global offset table. Set it | |
1684 | up. */ | |
ce558b89 AM |
1685 | sgot = elf_hash_table (info)->sgot; |
1686 | srela = elf_hash_table (info)->srelgot; | |
90ace9e9 JT |
1687 | BFD_ASSERT (sgot != NULL && srela != NULL); |
1688 | ||
1689 | rela.r_offset = (sgot->output_section->vma | |
1690 | + sgot->output_offset | |
125b5bac MR |
1691 | + h->got.offset); |
1692 | rela.r_info = ELF32_R_INFO (h->dynindx, R_VAX_GLOB_DAT); | |
90ace9e9 | 1693 | rela.r_addend = bfd_get_signed_32 (output_bfd, |
125b5bac | 1694 | sgot->contents + h->got.offset); |
90ace9e9 | 1695 | |
947216bf AM |
1696 | loc = srela->contents; |
1697 | loc += srela->reloc_count++ * sizeof (Elf32_External_Rela); | |
1698 | bfd_elf32_swap_reloca_out (output_bfd, &rela, loc); | |
90ace9e9 JT |
1699 | } |
1700 | ||
f5385ebf | 1701 | if (h->needs_copy) |
90ace9e9 JT |
1702 | { |
1703 | asection *s; | |
1704 | Elf_Internal_Rela rela; | |
947216bf | 1705 | bfd_byte *loc; |
90ace9e9 JT |
1706 | |
1707 | /* This symbol needs a copy reloc. Set it up. */ | |
90ace9e9 JT |
1708 | BFD_ASSERT (h->dynindx != -1 |
1709 | && (h->root.type == bfd_link_hash_defined | |
1710 | || h->root.type == bfd_link_hash_defweak)); | |
1711 | ||
3d4d4302 | 1712 | s = bfd_get_linker_section (dynobj, ".rela.bss"); |
90ace9e9 JT |
1713 | BFD_ASSERT (s != NULL); |
1714 | ||
1715 | rela.r_offset = (h->root.u.def.value | |
1716 | + h->root.u.def.section->output_section->vma | |
1717 | + h->root.u.def.section->output_offset); | |
1718 | rela.r_info = ELF32_R_INFO (h->dynindx, R_VAX_COPY); | |
1719 | rela.r_addend = 0; | |
947216bf AM |
1720 | loc = s->contents + s->reloc_count++ * sizeof (Elf32_External_Rela); |
1721 | bfd_elf32_swap_reloca_out (output_bfd, &rela, loc); | |
90ace9e9 JT |
1722 | } |
1723 | ||
1724 | /* Mark _DYNAMIC and _GLOBAL_OFFSET_TABLE_ as absolute. */ | |
9637f6ef | 1725 | if (h == elf_hash_table (info)->hdynamic |
22edb2f1 | 1726 | || h == elf_hash_table (info)->hgot) |
90ace9e9 JT |
1727 | sym->st_shndx = SHN_ABS; |
1728 | ||
0a1b45a2 | 1729 | return true; |
90ace9e9 JT |
1730 | } |
1731 | ||
1732 | /* Finish up the dynamic sections. */ | |
1733 | ||
0a1b45a2 | 1734 | static bool |
ce71b576 | 1735 | elf_vax_finish_dynamic_sections (bfd *output_bfd, struct bfd_link_info *info) |
90ace9e9 JT |
1736 | { |
1737 | bfd *dynobj; | |
1738 | asection *sgot; | |
1739 | asection *sdyn; | |
1740 | ||
1741 | dynobj = elf_hash_table (info)->dynobj; | |
1742 | ||
ce558b89 | 1743 | sgot = elf_hash_table (info)->sgotplt; |
90ace9e9 | 1744 | BFD_ASSERT (sgot != NULL); |
3d4d4302 | 1745 | sdyn = bfd_get_linker_section (dynobj, ".dynamic"); |
90ace9e9 JT |
1746 | |
1747 | if (elf_hash_table (info)->dynamic_sections_created) | |
1748 | { | |
1749 | asection *splt; | |
1750 | Elf32_External_Dyn *dyncon, *dynconend; | |
1751 | ||
ce558b89 | 1752 | splt = elf_hash_table (info)->splt; |
90ace9e9 JT |
1753 | BFD_ASSERT (splt != NULL && sdyn != NULL); |
1754 | ||
1755 | dyncon = (Elf32_External_Dyn *) sdyn->contents; | |
eea6121a | 1756 | dynconend = (Elf32_External_Dyn *) (sdyn->contents + sdyn->size); |
90ace9e9 JT |
1757 | for (; dyncon < dynconend; dyncon++) |
1758 | { | |
1759 | Elf_Internal_Dyn dyn; | |
90ace9e9 JT |
1760 | asection *s; |
1761 | ||
1762 | bfd_elf32_swap_dyn_in (dynobj, dyncon, &dyn); | |
1763 | ||
1764 | switch (dyn.d_tag) | |
1765 | { | |
1766 | default: | |
1767 | break; | |
1768 | ||
1769 | case DT_PLTGOT: | |
ce558b89 | 1770 | s = elf_hash_table (info)->sgotplt; |
90ace9e9 JT |
1771 | goto get_vma; |
1772 | case DT_JMPREL: | |
ce558b89 | 1773 | s = elf_hash_table (info)->srelplt; |
90ace9e9 | 1774 | get_vma: |
4ade44b7 | 1775 | dyn.d_un.d_ptr = s->output_section->vma + s->output_offset; |
90ace9e9 JT |
1776 | bfd_elf32_swap_dyn_out (output_bfd, &dyn, dyncon); |
1777 | break; | |
1778 | ||
1779 | case DT_PLTRELSZ: | |
ce558b89 | 1780 | s = elf_hash_table (info)->srelplt; |
eea6121a | 1781 | dyn.d_un.d_val = s->size; |
90ace9e9 JT |
1782 | bfd_elf32_swap_dyn_out (output_bfd, &dyn, dyncon); |
1783 | break; | |
90ace9e9 JT |
1784 | } |
1785 | } | |
1786 | ||
1787 | /* Fill in the first entry in the procedure linkage table. */ | |
eea6121a | 1788 | if (splt->size > 0) |
90ace9e9 JT |
1789 | { |
1790 | memcpy (splt->contents, elf_vax_plt0_entry, PLT_ENTRY_SIZE); | |
1791 | bfd_put_32 (output_bfd, | |
07d6d2b8 AM |
1792 | (sgot->output_section->vma |
1793 | + sgot->output_offset + 4 | |
1794 | - (splt->output_section->vma + 6)), | |
1795 | splt->contents + 2); | |
90ace9e9 | 1796 | bfd_put_32 (output_bfd, |
07d6d2b8 AM |
1797 | (sgot->output_section->vma |
1798 | + sgot->output_offset + 8 | |
1799 | - (splt->output_section->vma + 12)), | |
1800 | splt->contents + 8); | |
1801 | elf_section_data (splt->output_section)->this_hdr.sh_entsize | |
1802 | = PLT_ENTRY_SIZE; | |
90ace9e9 JT |
1803 | } |
1804 | } | |
1805 | ||
1806 | /* Fill in the first three entries in the global offset table. */ | |
eea6121a | 1807 | if (sgot->size > 0) |
90ace9e9 JT |
1808 | { |
1809 | if (sdyn == NULL) | |
1810 | bfd_put_32 (output_bfd, (bfd_vma) 0, sgot->contents); | |
1811 | else | |
1812 | bfd_put_32 (output_bfd, | |
1813 | sdyn->output_section->vma + sdyn->output_offset, | |
1814 | sgot->contents); | |
1815 | bfd_put_32 (output_bfd, (bfd_vma) 0, sgot->contents + 4); | |
1816 | bfd_put_32 (output_bfd, (bfd_vma) 0, sgot->contents + 8); | |
1817 | } | |
1818 | ||
f6518c48 MR |
1819 | if (elf_section_data (sgot->output_section) != NULL) |
1820 | elf_section_data (sgot->output_section)->this_hdr.sh_entsize = 4; | |
90ace9e9 | 1821 | |
0a1b45a2 | 1822 | return true; |
90ace9e9 JT |
1823 | } |
1824 | ||
9b90d8fd | 1825 | static enum elf_reloc_type_class |
7e612e98 AM |
1826 | elf_vax_reloc_type_class (const struct bfd_link_info *info ATTRIBUTE_UNUSED, |
1827 | const asection *rel_sec ATTRIBUTE_UNUSED, | |
1828 | const Elf_Internal_Rela *rela) | |
9b90d8fd MR |
1829 | { |
1830 | switch ((int) ELF32_R_TYPE (rela->r_info)) | |
1831 | { | |
1832 | case R_VAX_RELATIVE: | |
1833 | return reloc_class_relative; | |
1834 | case R_VAX_JMP_SLOT: | |
1835 | return reloc_class_plt; | |
1836 | case R_VAX_COPY: | |
1837 | return reloc_class_copy; | |
1838 | default: | |
1839 | return reloc_class_normal; | |
1840 | } | |
1841 | } | |
1842 | ||
6db7e006 MR |
1843 | static bfd_vma |
1844 | elf_vax_plt_sym_val (bfd_vma i, const asection *plt, | |
1845 | const arelent *rel ATTRIBUTE_UNUSED) | |
1846 | { | |
1847 | return plt->vma + (i + 1) * PLT_ENTRY_SIZE; | |
1848 | } | |
1849 | ||
6d00b590 | 1850 | #define TARGET_LITTLE_SYM vax_elf32_vec |
90ace9e9 JT |
1851 | #define TARGET_LITTLE_NAME "elf32-vax" |
1852 | #define ELF_MACHINE_CODE EM_VAX | |
1853 | #define ELF_MAXPAGESIZE 0x1000 | |
1854 | ||
1855 | #define elf_backend_create_dynamic_sections \ | |
1856 | _bfd_elf_create_dynamic_sections | |
1857 | #define bfd_elf32_bfd_link_hash_table_create \ | |
1858 | elf_vax_link_hash_table_create | |
c152c796 | 1859 | #define bfd_elf32_bfd_final_link bfd_elf_gc_common_final_link |
90ace9e9 JT |
1860 | |
1861 | #define elf_backend_check_relocs elf_vax_check_relocs | |
1862 | #define elf_backend_adjust_dynamic_symbol \ | |
1863 | elf_vax_adjust_dynamic_symbol | |
fac3d241 MR |
1864 | #define elf_backend_always_size_sections \ |
1865 | elf_vax_always_size_sections | |
90ace9e9 JT |
1866 | #define elf_backend_size_dynamic_sections \ |
1867 | elf_vax_size_dynamic_sections | |
74541ad4 | 1868 | #define elf_backend_init_index_section _bfd_elf_init_1_index_section |
90ace9e9 JT |
1869 | #define elf_backend_relocate_section elf_vax_relocate_section |
1870 | #define elf_backend_finish_dynamic_symbol \ | |
1871 | elf_vax_finish_dynamic_symbol | |
1872 | #define elf_backend_finish_dynamic_sections \ | |
1873 | elf_vax_finish_dynamic_sections | |
9b90d8fd | 1874 | #define elf_backend_reloc_type_class elf_vax_reloc_type_class |
90ace9e9 | 1875 | #define elf_backend_gc_mark_hook elf_vax_gc_mark_hook |
6db7e006 | 1876 | #define elf_backend_plt_sym_val elf_vax_plt_sym_val |
90ace9e9 | 1877 | #define bfd_elf32_bfd_merge_private_bfd_data \ |
07d6d2b8 | 1878 | elf32_vax_merge_private_bfd_data |
90ace9e9 | 1879 | #define bfd_elf32_bfd_set_private_flags \ |
07d6d2b8 | 1880 | elf32_vax_set_private_flags |
90ace9e9 | 1881 | #define bfd_elf32_bfd_print_private_bfd_data \ |
07d6d2b8 | 1882 | elf32_vax_print_private_bfd_data |
90ace9e9 JT |
1883 | |
1884 | #define elf_backend_can_gc_sections 1 | |
1885 | #define elf_backend_want_got_plt 1 | |
1886 | #define elf_backend_plt_readonly 1 | |
1887 | #define elf_backend_want_plt_sym 0 | |
1888 | #define elf_backend_got_header_size 16 | |
f0fe0e16 | 1889 | #define elf_backend_rela_normal 1 |
64f52338 | 1890 | #define elf_backend_dtrel_excludes_plt 1 |
90ace9e9 JT |
1891 | |
1892 | #include "elf32-target.h" |