]> Git Repo - binutils.git/blame - bfd/elf32-ppc.c
projects / binutils.git / blame
? search:
summary | shortlog | log | commit | commitdiff | tree
blob | blame (incremental) | history | HEAD
* elf64-alpha.c (struct alpha_relax_info): Add tsec & elfsym members.
[binutils.git] / bfd / elf32-ppc.c
CommitLineData
bcbe2c71 1/* PowerPC-specific support for 32-bit ELF
9950f925 2 Copyright 1994, 1995, 1996, 1997 Free Software Foundation, Inc.
bcbe2c71
MM		 3 Written by Ian Lance Taylor, Cygnus Support.
4
5This file is part of BFD, the Binary File Descriptor library.
6
7This program is free software; you can redistribute it and/or modify
8it under the terms of the GNU General Public License as published by
9the Free Software Foundation; either version 2 of the License, or
10(at your option) any later version.
11
12This program is distributed in the hope that it will be useful,
13but WITHOUT ANY WARRANTY; without even the implied warranty of
14MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
15GNU General Public License for more details.
16
17You should have received a copy of the GNU General Public License
18along with this program; if not, write to the Free Software
dd82c578 19Foundation, Inc., 59 Temple Place - Suite 330, Boston, MA 02111-1307, USA. */
bcbe2c71
MM		 20
21/* This file is based on a preliminary PowerPC ELF ABI. The
22 information may not match the final PowerPC ELF ABI. It includes
23 suggestions from the in-progress Embedded PowerPC ABI, and that
24 information may also not match. */
25
26#include "bfd.h"
27#include "sysdep.h"
ede4eed4 28#include "bfdlink.h"
bcbe2c71 29#include "libbfd.h"
08556813 30#include "elf-bfd.h"
ede4eed4 31#include "elf/ppc.h"
bcbe2c71 32
08556813
MM		 33#define USE_RELA /* we want RELA relocations, not REL */
34
35/* PowerPC relocations defined by the ABIs */
36enum ppc_reloc_type
37{
38 R_PPC_NONE = 0,
39 R_PPC_ADDR32 = 1,
40 R_PPC_ADDR24 = 2,
41 R_PPC_ADDR16 = 3,
42 R_PPC_ADDR16_LO = 4,
43 R_PPC_ADDR16_HI = 5,
44 R_PPC_ADDR16_HA = 6,
45 R_PPC_ADDR14 = 7,
46 R_PPC_ADDR14_BRTAKEN = 8,
47 R_PPC_ADDR14_BRNTAKEN = 9,
48 R_PPC_REL24 = 10,
49 R_PPC_REL14 = 11,
50 R_PPC_REL14_BRTAKEN = 12,
51 R_PPC_REL14_BRNTAKEN = 13,
52 R_PPC_GOT16 = 14,
53 R_PPC_GOT16_LO = 15,
54 R_PPC_GOT16_HI = 16,
55 R_PPC_GOT16_HA = 17,
56 R_PPC_PLTREL24 = 18,
57 R_PPC_COPY = 19,
58 R_PPC_GLOB_DAT = 20,
59 R_PPC_JMP_SLOT = 21,
60 R_PPC_RELATIVE = 22,
61 R_PPC_LOCAL24PC = 23,
62 R_PPC_UADDR32 = 24,
63 R_PPC_UADDR16 = 25,
64 R_PPC_REL32 = 26,
65 R_PPC_PLT32 = 27,
66 R_PPC_PLTREL32 = 28,
67 R_PPC_PLT16_LO = 29,
68 R_PPC_PLT16_HI = 30,
69 R_PPC_PLT16_HA = 31,
70 R_PPC_SDAREL16 = 32,
71 R_PPC_SECTOFF = 33,
72 R_PPC_SECTOFF_LO = 34,
73 R_PPC_SECTOFF_HI = 35,
74 R_PPC_SECTOFF_HA = 36,
75
76 /* The remaining relocs are from the Embedded ELF ABI, and are not
77 in the SVR4 ELF ABI. */
78 R_PPC_EMB_NADDR32 = 101,
79 R_PPC_EMB_NADDR16 = 102,
80 R_PPC_EMB_NADDR16_LO = 103,
81 R_PPC_EMB_NADDR16_HI = 104,
82 R_PPC_EMB_NADDR16_HA = 105,
83 R_PPC_EMB_SDAI16 = 106,
84 R_PPC_EMB_SDA2I16 = 107,
85 R_PPC_EMB_SDA2REL = 108,
86 R_PPC_EMB_SDA21 = 109,
87 R_PPC_EMB_MRKREF = 110,
88 R_PPC_EMB_RELSEC16 = 111,
89 R_PPC_EMB_RELST_LO = 112,
90 R_PPC_EMB_RELST_HI = 113,
91 R_PPC_EMB_RELST_HA = 114,
92 R_PPC_EMB_BIT_FLD = 115,
93 R_PPC_EMB_RELSDA = 116,
94
95 /* This is a phony reloc to handle any old fashioned TOC16 references
96 that may still be in object files. */
97 R_PPC_TOC16 = 255,
98
99 R_PPC_max
100};
101
ede4eed4 102static reloc_howto_type *ppc_elf_reloc_type_lookup
bcbe2c71 103 PARAMS ((bfd *abfd, bfd_reloc_code_real_type code));
ede4eed4 104static void ppc_elf_info_to_howto
bcbe2c71 105 PARAMS ((bfd *abfd, arelent *cache_ptr, Elf32_Internal_Rela *dst));
ede4eed4 106static void ppc_elf_howto_init PARAMS ((void));
dab45734
ILT		 107static bfd_reloc_status_type ppc_elf_addr16_ha_reloc
108 PARAMS ((bfd *, arelent *, asymbol *, PTR, asection *, bfd *, char **));
ede4eed4
KR		 109static boolean ppc_elf_set_private_flags PARAMS ((bfd *, flagword));
110static boolean ppc_elf_copy_private_bfd_data PARAMS ((bfd *, bfd *));
111static boolean ppc_elf_merge_private_bfd_data PARAMS ((bfd *, bfd *));
112
3f7ca26b
MM		 113static int ppc_elf_additional_program_headers PARAMS ((bfd *));
114static boolean ppc_elf_modify_segment_map PARAMS ((bfd *));
115
83f4323e
MM		 116static boolean ppc_elf_section_from_shdr PARAMS ((bfd *,
117 Elf32_Internal_Shdr *,
118 char *));
6717fb0d
ILT		 119static boolean ppc_elf_fake_sections
120 PARAMS ((bfd *, Elf32_Internal_Shdr *, asection *));
83f4323e 121
3b3753b8
MM		 122static elf_linker_section_t *ppc_elf_create_linker_section
123 PARAMS ((bfd *abfd,
124 struct bfd_link_info *info,
125 enum elf_linker_section_enum));
1c3a295b 126
08556813
MM		 127static boolean ppc_elf_check_relocs PARAMS ((bfd *,
128 struct bfd_link_info *,
129 asection *,
130 const Elf_Internal_Rela *));
131
132static boolean ppc_elf_adjust_dynamic_symbol PARAMS ((struct bfd_link_info *,
133 struct elf_link_hash_entry *));
134
135static boolean ppc_elf_adjust_dynindx PARAMS ((struct elf_link_hash_entry *, PTR));
136
137static boolean ppc_elf_size_dynamic_sections PARAMS ((bfd *, struct bfd_link_info *));
138
ede4eed4
KR		 139static boolean ppc_elf_relocate_section PARAMS ((bfd *,
140 struct bfd_link_info *info,
141 bfd *,
142 asection *,
143 bfd_byte *,
144 Elf_Internal_Rela *relocs,
145 Elf_Internal_Sym *local_syms,
146 asection **));
bcbe2c71 147
9d621c7d
MM		 148static boolean ppc_elf_add_symbol_hook PARAMS ((bfd *,
149 struct bfd_link_info *,
150 const Elf_Internal_Sym *,
151 const char **,
152 flagword *,
153 asection **,
154 bfd_vma *));
155
08556813
MM		 156static boolean ppc_elf_finish_dynamic_symbol PARAMS ((bfd *,
157 struct bfd_link_info *,
158 struct elf_link_hash_entry *,
159 Elf_Internal_Sym *));
bcbe2c71 160
08556813 161static boolean ppc_elf_finish_dynamic_sections PARAMS ((bfd *, struct bfd_link_info *));
bcbe2c71 162
d8fd85ad
MM		 163#define BRANCH_PREDICT_BIT 0x200000 /* branch prediction bit for branch taken relocs */
164#define RA_REGISTER_MASK 0x001f0000 /* mask to set RA in memory instructions */
165#define RA_REGISTER_SHIFT 16 /* value to shift register by to insert RA */
08556813
MM		 166
167/* The name of the dynamic interpreter. This is put in the .interp
168 section. */
169
170#define ELF_DYNAMIC_INTERPRETER "/usr/lib/ld.so.1"
bcbe2c71 171
3f7ca26b
MM		 172/* The size in bytes of an entry in the procedure linkage table, and of the initial size
173 of the plt reserved for the dynamic linker. */
174
175#define PLT_ENTRY_SIZE 12
176#define PLT_INITIAL_ENTRY_SIZE 72
177
ede4eed4
KR		 178\f
179static reloc_howto_type *ppc_elf_howto_table[ (int)R_PPC_max ];
180
181static reloc_howto_type ppc_elf_howto_raw[] =
bcbe2c71
MM		 182{
183 /* This reloc does nothing. */
08556813
MM		 184 HOWTO (R_PPC_NONE, /* type */
185 0, /* rightshift */
186 2, /* size (0 = byte, 1 = short, 2 = long) */
187 32, /* bitsize */
188 false, /* pc_relative */
189 0, /* bitpos */
bcbe2c71 190 complain_overflow_bitfield, /* complain_on_overflow */
bd2d10c0 191 bfd_elf_generic_reloc, /* special_function */
08556813
MM		 192 "R_PPC_NONE", /* name */
193 false, /* partial_inplace */
194 0, /* src_mask */
195 0, /* dst_mask */
196 false), /* pcrel_offset */
bcbe2c71
MM		 197
198 /* A standard 32 bit relocation. */
08556813
MM		 199 HOWTO (R_PPC_ADDR32, /* type */
200 0, /* rightshift */
201 2, /* size (0 = byte, 1 = short, 2 = long) */
202 32, /* bitsize */
203 false, /* pc_relative */
204 0, /* bitpos */
bcbe2c71 205 complain_overflow_bitfield, /* complain_on_overflow */
bd2d10c0 206 bfd_elf_generic_reloc, /* special_function */
bcbe2c71 207 "R_PPC_ADDR32", /* name */
08556813
MM		 208 false, /* partial_inplace */
209 0, /* src_mask */
210 0xffffffff, /* dst_mask */
211 false), /* pcrel_offset */
bcbe2c71
MM		 212
213 /* An absolute 26 bit branch; the lower two bits must be zero.
214 FIXME: we don't check that, we just clear them. */
08556813
MM		 215 HOWTO (R_PPC_ADDR24, /* type */
216 0, /* rightshift */
217 2, /* size (0 = byte, 1 = short, 2 = long) */
218 26, /* bitsize */
219 false, /* pc_relative */
220 0, /* bitpos */
bcbe2c71 221 complain_overflow_bitfield, /* complain_on_overflow */
bd2d10c0 222 bfd_elf_generic_reloc, /* special_function */
bcbe2c71 223 "R_PPC_ADDR24", /* name */
08556813
MM		 224 false, /* partial_inplace */
225 0, /* src_mask */
226 0x3fffffc, /* dst_mask */
227 false), /* pcrel_offset */
bcbe2c71
MM		 228
229 /* A standard 16 bit relocation. */
08556813
MM		 230 HOWTO (R_PPC_ADDR16, /* type */
231 0, /* rightshift */
232 1, /* size (0 = byte, 1 = short, 2 = long) */
233 16, /* bitsize */
234 false, /* pc_relative */
235 0, /* bitpos */
bcbe2c71 236 complain_overflow_bitfield, /* complain_on_overflow */
bd2d10c0 237 bfd_elf_generic_reloc, /* special_function */
bcbe2c71 238 "R_PPC_ADDR16", /* name */
08556813
MM		 239 false, /* partial_inplace */
240 0, /* src_mask */
241 0xffff, /* dst_mask */
242 false), /* pcrel_offset */
bcbe2c71
MM		 243
244 /* A 16 bit relocation without overflow. */
08556813
MM		 245 HOWTO (R_PPC_ADDR16_LO, /* type */
246 0, /* rightshift */
247 1, /* size (0 = byte, 1 = short, 2 = long) */
248 16, /* bitsize */
249 false, /* pc_relative */
250 0, /* bitpos */
bcbe2c71 251 complain_overflow_dont,/* complain_on_overflow */
bd2d10c0 252 bfd_elf_generic_reloc, /* special_function */
bcbe2c71 253 "R_PPC_ADDR16_LO", /* name */
08556813
MM		 254 false, /* partial_inplace */
255 0, /* src_mask */
256 0xffff, /* dst_mask */
257 false), /* pcrel_offset */
bcbe2c71
MM		 258
259 /* The high order 16 bits of an address. */
08556813
MM		 260 HOWTO (R_PPC_ADDR16_HI, /* type */
261 16, /* rightshift */
262 1, /* size (0 = byte, 1 = short, 2 = long) */
263 16, /* bitsize */
264 false, /* pc_relative */
265 0, /* bitpos */
bcbe2c71 266 complain_overflow_dont, /* complain_on_overflow */
bd2d10c0 267 bfd_elf_generic_reloc, /* special_function */
bcbe2c71 268 "R_PPC_ADDR16_HI", /* name */
08556813
MM		 269 false, /* partial_inplace */
270 0, /* src_mask */
271 0xffff, /* dst_mask */
272 false), /* pcrel_offset */
bcbe2c71
MM		 273
274 /* The high order 16 bits of an address, plus 1 if the contents of
08556813
MM		 275 the low 16 bits, treated as a signed number, is negative. */
276 HOWTO (R_PPC_ADDR16_HA, /* type */
277 16, /* rightshift */
278 1, /* size (0 = byte, 1 = short, 2 = long) */
279 16, /* bitsize */
280 false, /* pc_relative */
281 0, /* bitpos */
bcbe2c71 282 complain_overflow_dont, /* complain_on_overflow */
dab45734 283 ppc_elf_addr16_ha_reloc, /* special_function */
bcbe2c71 284 "R_PPC_ADDR16_HA", /* name */
08556813
MM		 285 false, /* partial_inplace */
286 0, /* src_mask */
287 0xffff, /* dst_mask */
288 false), /* pcrel_offset */
bcbe2c71
MM		 289
290 /* An absolute 16 bit branch; the lower two bits must be zero.
291 FIXME: we don't check that, we just clear them. */
08556813
MM		 292 HOWTO (R_PPC_ADDR14, /* type */
293 0, /* rightshift */
294 2, /* size (0 = byte, 1 = short, 2 = long) */
295 16, /* bitsize */
296 false, /* pc_relative */
297 0, /* bitpos */
bcbe2c71 298 complain_overflow_bitfield, /* complain_on_overflow */
bd2d10c0 299 bfd_elf_generic_reloc, /* special_function */
bcbe2c71 300 "R_PPC_ADDR14", /* name */
08556813
MM		 301 false, /* partial_inplace */
302 0, /* src_mask */
303 0xfffc, /* dst_mask */
304 false), /* pcrel_offset */
bcbe2c71
MM		 305
306 /* An absolute 16 bit branch, for which bit 10 should be set to
08556813
MM		 307 indicate that the branch is expected to be taken. The lower two
308 bits must be zero. */
309 HOWTO (R_PPC_ADDR14_BRTAKEN, /* type */
310 0, /* rightshift */
311 2, /* size (0 = byte, 1 = short, 2 = long) */
312 16, /* bitsize */
313 false, /* pc_relative */
314 0, /* bitpos */
bcbe2c71 315 complain_overflow_bitfield, /* complain_on_overflow */
07a159db 316 bfd_elf_generic_reloc, /* special_function */
bcbe2c71 317 "R_PPC_ADDR14_BRTAKEN",/* name */
08556813
MM		 318 false, /* partial_inplace */
319 0, /* src_mask */
320 0xfffc, /* dst_mask */
321 false), /* pcrel_offset */
bcbe2c71
MM		 322
323 /* An absolute 16 bit branch, for which bit 10 should be set to
324 indicate that the branch is not expected to be taken. The lower
325 two bits must be zero. */
326 HOWTO (R_PPC_ADDR14_BRNTAKEN, /* type */
08556813
MM		 327 0, /* rightshift */
328 2, /* size (0 = byte, 1 = short, 2 = long) */
329 16, /* bitsize */
330 false, /* pc_relative */
331 0, /* bitpos */
bcbe2c71 332 complain_overflow_bitfield, /* complain_on_overflow */
07a159db 333 bfd_elf_generic_reloc, /* special_function */
bcbe2c71 334 "R_PPC_ADDR14_BRNTAKEN",/* name */
08556813
MM		 335 false, /* partial_inplace */
336 0, /* src_mask */
337 0xfffc, /* dst_mask */
338 false), /* pcrel_offset */
339
340 /* A relative 26 bit branch; the lower two bits must be zero. */
341 HOWTO (R_PPC_REL24, /* type */
342 0, /* rightshift */
343 2, /* size (0 = byte, 1 = short, 2 = long) */
344 26, /* bitsize */
345 true, /* pc_relative */
346 0, /* bitpos */
bcbe2c71 347 complain_overflow_signed, /* complain_on_overflow */
bd2d10c0 348 bfd_elf_generic_reloc, /* special_function */
bcbe2c71 349 "R_PPC_REL24", /* name */
08556813
MM		 350 false, /* partial_inplace */
351 0, /* src_mask */
352 0x3fffffc, /* dst_mask */
353 true), /* pcrel_offset */
354
355 /* A relative 16 bit branch; the lower two bits must be zero. */
356 HOWTO (R_PPC_REL14, /* type */
357 0, /* rightshift */
358 2, /* size (0 = byte, 1 = short, 2 = long) */
359 16, /* bitsize */
360 true, /* pc_relative */
361 0, /* bitpos */
bcbe2c71 362 complain_overflow_signed, /* complain_on_overflow */
bd2d10c0 363 bfd_elf_generic_reloc, /* special_function */
bcbe2c71 364 "R_PPC_REL14", /* name */
08556813
MM		 365 false, /* partial_inplace */
366 0, /* src_mask */
367 0xfffc, /* dst_mask */
368 true), /* pcrel_offset */
bcbe2c71 369
08556813 370 /* A relative 16 bit branch. Bit 10 should be set to indicate that
bcbe2c71
MM		 371 the branch is expected to be taken. The lower two bits must be
372 zero. */
08556813
MM		 373 HOWTO (R_PPC_REL14_BRTAKEN, /* type */
374 0, /* rightshift */
375 2, /* size (0 = byte, 1 = short, 2 = long) */
376 16, /* bitsize */
377 true, /* pc_relative */
378 0, /* bitpos */
bcbe2c71 379 complain_overflow_signed, /* complain_on_overflow */
07a159db 380 bfd_elf_generic_reloc, /* special_function */
bcbe2c71 381 "R_PPC_REL14_BRTAKEN", /* name */
08556813
MM		 382 false, /* partial_inplace */
383 0, /* src_mask */
384 0xfffc, /* dst_mask */
385 true), /* pcrel_offset */
bcbe2c71 386
08556813 387 /* A relative 16 bit branch. Bit 10 should be set to indicate that
bcbe2c71
MM		 388 the branch is not expected to be taken. The lower two bits must
389 be zero. */
08556813
MM		 390 HOWTO (R_PPC_REL14_BRNTAKEN, /* type */
391 0, /* rightshift */
392 2, /* size (0 = byte, 1 = short, 2 = long) */
393 16, /* bitsize */
394 true, /* pc_relative */
395 0, /* bitpos */
bcbe2c71 396 complain_overflow_signed, /* complain_on_overflow */
07a159db 397 bfd_elf_generic_reloc, /* special_function */
bcbe2c71 398 "R_PPC_REL14_BRNTAKEN",/* name */
08556813
MM		 399 false, /* partial_inplace */
400 0, /* src_mask */
401 0xfffc, /* dst_mask */
402 true), /* pcrel_offset */
bcbe2c71
MM		 403
404 /* Like R_PPC_ADDR16, but referring to the GOT table entry for the
405 symbol. */
08556813
MM		 406 HOWTO (R_PPC_GOT16, /* type */
407 0, /* rightshift */
408 1, /* size (0 = byte, 1 = short, 2 = long) */
409 16, /* bitsize */
410 false, /* pc_relative */
411 0, /* bitpos */
ede4eed4 412 complain_overflow_signed, /* complain_on_overflow */
07a159db 413 bfd_elf_generic_reloc, /* special_function */
bcbe2c71 414 "R_PPC_GOT16", /* name */
08556813
MM		 415 false, /* partial_inplace */
416 0, /* src_mask */
417 0xffff, /* dst_mask */
418 false), /* pcrel_offset */
bcbe2c71
MM		 419
420 /* Like R_PPC_ADDR16_LO, but referring to the GOT table entry for
421 the symbol. */
08556813
MM		 422 HOWTO (R_PPC_GOT16_LO, /* type */
423 0, /* rightshift */
424 1, /* size (0 = byte, 1 = short, 2 = long) */
425 16, /* bitsize */
426 false, /* pc_relative */
427 0, /* bitpos */
bcbe2c71 428 complain_overflow_bitfield, /* complain_on_overflow */
07a159db 429 bfd_elf_generic_reloc, /* special_function */
bcbe2c71 430 "R_PPC_GOT16_LO", /* name */
08556813
MM		 431 false, /* partial_inplace */
432 0, /* src_mask */
433 0xffff, /* dst_mask */
434 false), /* pcrel_offset */
bcbe2c71
MM		 435
436 /* Like R_PPC_ADDR16_HI, but referring to the GOT table entry for
437 the symbol. */
08556813
MM		 438 HOWTO (R_PPC_GOT16_HI, /* type */
439 16, /* rightshift */
440 1, /* size (0 = byte, 1 = short, 2 = long) */
441 16, /* bitsize */
442 false, /* pc_relative */
443 0, /* bitpos */
bcbe2c71 444 complain_overflow_bitfield, /* complain_on_overflow */
07a159db 445 bfd_elf_generic_reloc, /* special_function */
bcbe2c71 446 "R_PPC_GOT16_HI", /* name */
08556813
MM		 447 false, /* partial_inplace */
448 0, /* src_mask */
449 0xffff, /* dst_mask */
450 false), /* pcrel_offset */
bcbe2c71
MM		 451
452 /* Like R_PPC_ADDR16_HA, but referring to the GOT table entry for
cf5138e3 453 the symbol. */
08556813 454 HOWTO (R_PPC_GOT16_HA, /* type */
b6eb341b 455 16, /* rightshift */
08556813
MM		 456 1, /* size (0 = byte, 1 = short, 2 = long) */
457 16, /* bitsize */
458 false, /* pc_relative */
459 0, /* bitpos */
bcbe2c71 460 complain_overflow_bitfield, /* complain_on_overflow */
b6eb341b 461 ppc_elf_addr16_ha_reloc, /* special_function */
bcbe2c71 462 "R_PPC_GOT16_HA", /* name */
08556813
MM		 463 false, /* partial_inplace */
464 0, /* src_mask */
465 0xffff, /* dst_mask */
466 false), /* pcrel_offset */
bcbe2c71
MM		 467
468 /* Like R_PPC_REL24, but referring to the procedure linkage table
469 entry for the symbol. FIXME: Not supported. */
02f85cda 470 HOWTO (R_PPC_PLTREL24, /* type */
08556813
MM		 471 0, /* rightshift */
472 2, /* size (0 = byte, 1 = short, 2 = long) */
473 26, /* bitsize */
474 true, /* pc_relative */
475 0, /* bitpos */
476 complain_overflow_signed, /* complain_on_overflow */
bd2d10c0 477 bfd_elf_generic_reloc, /* special_function */
02f85cda 478 "R_PPC_PLTREL24", /* name */
08556813
MM		 479 false, /* partial_inplace */
480 0, /* src_mask */
481 0x3fffffc, /* dst_mask */
482 true), /* pcrel_offset */
bcbe2c71
MM		 483
484 /* This is used only by the dynamic linker. The symbol should exist
485 both in the object being run and in some shared library. The
486 dynamic linker copies the data addressed by the symbol from the
487 shared library into the object. I have no idea what the purpose
488 of this is. */
08556813
MM		 489 HOWTO (R_PPC_COPY, /* type */
490 0, /* rightshift */
491 2, /* size (0 = byte, 1 = short, 2 = long) */
492 32, /* bitsize */
493 false, /* pc_relative */
494 0, /* bitpos */
bcbe2c71 495 complain_overflow_bitfield, /* complain_on_overflow */
bd2d10c0 496 bfd_elf_generic_reloc, /* special_function */
bcbe2c71 497 "R_PPC_COPY", /* name */
08556813
MM		 498 false, /* partial_inplace */
499 0, /* src_mask */
500 0, /* dst_mask */
501 false), /* pcrel_offset */
bcbe2c71
MM		 502
503 /* Like R_PPC_ADDR32, but used when setting global offset table
504 entries. */
08556813
MM		 505 HOWTO (R_PPC_GLOB_DAT, /* type */
506 0, /* rightshift */
507 2, /* size (0 = byte, 1 = short, 2 = long) */
508 32, /* bitsize */
509 false, /* pc_relative */
510 0, /* bitpos */
bcbe2c71 511 complain_overflow_bitfield, /* complain_on_overflow */
bd2d10c0 512 bfd_elf_generic_reloc, /* special_function */
bcbe2c71 513 "R_PPC_GLOB_DAT", /* name */
08556813
MM		 514 false, /* partial_inplace */
515 0, /* src_mask */
516 0xffffffff, /* dst_mask */
517 false), /* pcrel_offset */
bcbe2c71
MM		 518
519 /* Marks a procedure linkage table entry for a symbol. */
08556813
MM		 520 HOWTO (R_PPC_JMP_SLOT, /* type */
521 0, /* rightshift */
522 2, /* size (0 = byte, 1 = short, 2 = long) */
523 32, /* bitsize */
524 false, /* pc_relative */
525 0, /* bitpos */
bcbe2c71 526 complain_overflow_bitfield, /* complain_on_overflow */
bd2d10c0 527 bfd_elf_generic_reloc, /* special_function */
bcbe2c71 528 "R_PPC_JMP_SLOT", /* name */
08556813
MM		 529 false, /* partial_inplace */
530 0, /* src_mask */
531 0, /* dst_mask */
532 false), /* pcrel_offset */
bcbe2c71
MM		 533
534 /* Used only by the dynamic linker. When the object is run, this
535 longword is set to the load address of the object, plus the
536 addend. */
08556813
MM		 537 HOWTO (R_PPC_RELATIVE, /* type */
538 0, /* rightshift */
539 2, /* size (0 = byte, 1 = short, 2 = long) */
540 32, /* bitsize */
541 false, /* pc_relative */
542 0, /* bitpos */
bcbe2c71 543 complain_overflow_bitfield, /* complain_on_overflow */
bd2d10c0 544 bfd_elf_generic_reloc, /* special_function */
bcbe2c71 545 "R_PPC_RELATIVE", /* name */
08556813
MM		 546 false, /* partial_inplace */
547 0, /* src_mask */
548 0xffffffff, /* dst_mask */
549 false), /* pcrel_offset */
bcbe2c71
MM		 550
551 /* Like R_PPC_REL24, but uses the value of the symbol within the
552 object rather than the final value. Normally used for
553 _GLOBAL_OFFSET_TABLE_. FIXME: Not supported. */
08556813
MM		 554 HOWTO (R_PPC_LOCAL24PC, /* type */
555 0, /* rightshift */
556 2, /* size (0 = byte, 1 = short, 2 = long) */
557 26, /* bitsize */
558 true, /* pc_relative */
559 0, /* bitpos */
bcbe2c71 560 complain_overflow_signed, /* complain_on_overflow */
bd2d10c0 561 bfd_elf_generic_reloc, /* special_function */
bcbe2c71 562 "R_PPC_LOCAL24PC", /* name */
08556813
MM		 563 false, /* partial_inplace */
564 0, /* src_mask */
565 0x3fffffc, /* dst_mask */
566 true), /* pcrel_offset */
bcbe2c71
MM		 567
568 /* Like R_PPC_ADDR32, but may be unaligned. */
08556813
MM		 569 HOWTO (R_PPC_UADDR32, /* type */
570 0, /* rightshift */
571 2, /* size (0 = byte, 1 = short, 2 = long) */
572 32, /* bitsize */
573 false, /* pc_relative */
574 0, /* bitpos */
bcbe2c71 575 complain_overflow_bitfield, /* complain_on_overflow */
bd2d10c0 576 bfd_elf_generic_reloc, /* special_function */
bcbe2c71 577 "R_PPC_UADDR32", /* name */
08556813
MM		 578 false, /* partial_inplace */
579 0, /* src_mask */
580 0xffffffff, /* dst_mask */
581 false), /* pcrel_offset */
bcbe2c71
MM		 582
583 /* Like R_PPC_ADDR16, but may be unaligned. */
08556813
MM		 584 HOWTO (R_PPC_UADDR16, /* type */
585 0, /* rightshift */
586 1, /* size (0 = byte, 1 = short, 2 = long) */
587 16, /* bitsize */
588 false, /* pc_relative */
589 0, /* bitpos */
bcbe2c71 590 complain_overflow_bitfield, /* complain_on_overflow */
bd2d10c0 591 bfd_elf_generic_reloc, /* special_function */
bcbe2c71 592 "R_PPC_UADDR16", /* name */
08556813
MM		 593 false, /* partial_inplace */
594 0, /* src_mask */
595 0xffff, /* dst_mask */
596 false), /* pcrel_offset */
bcbe2c71
MM		 597
598 /* 32-bit PC relative */
599 HOWTO (R_PPC_REL32, /* type */
08556813
MM		 600 0, /* rightshift */
601 2, /* size (0 = byte, 1 = short, 2 = long) */
602 32, /* bitsize */
603 true, /* pc_relative */
604 0, /* bitpos */
bcbe2c71 605 complain_overflow_bitfield, /* complain_on_overflow */
bd2d10c0 606 bfd_elf_generic_reloc, /* special_function */
bcbe2c71 607 "R_PPC_REL32", /* name */
08556813
MM		 608 false, /* partial_inplace */
609 0, /* src_mask */
610 0xffffffff, /* dst_mask */
bcbe2c71
MM		 611 true), /* pcrel_offset */
612
613 /* 32-bit relocation to the symbol's procedure linkage table.
614 FIXEME: not supported. */
615 HOWTO (R_PPC_PLT32, /* type */
08556813
MM		 616 0, /* rightshift */
617 2, /* size (0 = byte, 1 = short, 2 = long) */
618 32, /* bitsize */
619 false, /* pc_relative */
620 0, /* bitpos */
bcbe2c71 621 complain_overflow_bitfield, /* complain_on_overflow */
bd2d10c0 622 bfd_elf_generic_reloc, /* special_function */
bcbe2c71 623 "R_PPC_PLT32", /* name */
08556813
MM		 624 false, /* partial_inplace */
625 0, /* src_mask */
626 0, /* dst_mask */
627 false), /* pcrel_offset */
bcbe2c71
MM		 628
629 /* 32-bit PC relative relocation to the symbol's procedure linkage table.
630 FIXEME: not supported. */
631 HOWTO (R_PPC_PLTREL32, /* type */
08556813
MM		 632 0, /* rightshift */
633 2, /* size (0 = byte, 1 = short, 2 = long) */
634 32, /* bitsize */
635 true, /* pc_relative */
636 0, /* bitpos */
bcbe2c71 637 complain_overflow_bitfield, /* complain_on_overflow */
bd2d10c0 638 bfd_elf_generic_reloc, /* special_function */
bcbe2c71 639 "R_PPC_PLTREL32", /* name */
08556813
MM		 640 false, /* partial_inplace */
641 0, /* src_mask */
642 0, /* dst_mask */
bcbe2c71
MM		 643 true), /* pcrel_offset */
644
645 /* Like R_PPC_ADDR16_LO, but referring to the PLT table entry for
646 the symbol. */
08556813
MM		 647 HOWTO (R_PPC_PLT16_LO, /* type */
648 0, /* rightshift */
649 1, /* size (0 = byte, 1 = short, 2 = long) */
650 16, /* bitsize */
651 false, /* pc_relative */
652 0, /* bitpos */
bcbe2c71 653 complain_overflow_bitfield, /* complain_on_overflow */
bd2d10c0 654 bfd_elf_generic_reloc, /* special_function */
bcbe2c71 655 "R_PPC_PLT16_LO", /* name */
08556813
MM		 656 false, /* partial_inplace */
657 0, /* src_mask */
658 0xffff, /* dst_mask */
659 false), /* pcrel_offset */
bcbe2c71
MM		 660
661 /* Like R_PPC_ADDR16_HI, but referring to the PLT table entry for
662 the symbol. */
08556813
MM		 663 HOWTO (R_PPC_PLT16_HI, /* type */
664 16, /* rightshift */
665 1, /* size (0 = byte, 1 = short, 2 = long) */
666 16, /* bitsize */
667 false, /* pc_relative */
668 0, /* bitpos */
bcbe2c71 669 complain_overflow_bitfield, /* complain_on_overflow */
bd2d10c0 670 bfd_elf_generic_reloc, /* special_function */
bcbe2c71 671 "R_PPC_PLT16_HI", /* name */
08556813
MM		 672 false, /* partial_inplace */
673 0, /* src_mask */
674 0xffff, /* dst_mask */
675 false), /* pcrel_offset */
bcbe2c71
MM		 676
677 /* Like R_PPC_ADDR16_HA, but referring to the PLT table entry for
08556813
MM		 678 the symbol. FIXME: Not supported. */
679 HOWTO (R_PPC_PLT16_HA, /* type */
680 0, /* rightshift */
681 1, /* size (0 = byte, 1 = short, 2 = long) */
682 16, /* bitsize */
683 false, /* pc_relative */
684 0, /* bitpos */
bcbe2c71 685 complain_overflow_bitfield, /* complain_on_overflow */
bd2d10c0 686 bfd_elf_generic_reloc, /* special_function */
bcbe2c71 687 "R_PPC_PLT16_HA", /* name */
08556813
MM		 688 false, /* partial_inplace */
689 0, /* src_mask */
690 0xffff, /* dst_mask */
691 false), /* pcrel_offset */
bcbe2c71 692
4500a112 693 /* A sign-extended 16 bit value relative to _SDA_BASE_, for use with
cf5138e3 694 small data items. */
02f85cda 695 HOWTO (R_PPC_SDAREL16, /* type */
08556813
MM		 696 0, /* rightshift */
697 1, /* size (0 = byte, 1 = short, 2 = long) */
698 16, /* bitsize */
699 false, /* pc_relative */
700 0, /* bitpos */
dd82c578 701 complain_overflow_signed, /* complain_on_overflow */
07a159db 702 bfd_elf_generic_reloc, /* special_function */
02f85cda 703 "R_PPC_SDAREL16", /* name */
08556813
MM		 704 false, /* partial_inplace */
705 0, /* src_mask */
706 0xffff, /* dst_mask */
707 false), /* pcrel_offset */
bcbe2c71 708
cf5138e3 709 /* 32-bit section relative relocation. */
bcbe2c71 710 HOWTO (R_PPC_SECTOFF, /* type */
08556813
MM		 711 0, /* rightshift */
712 2, /* size (0 = byte, 1 = short, 2 = long) */
713 32, /* bitsize */
714 true, /* pc_relative */
715 0, /* bitpos */
bcbe2c71 716 complain_overflow_bitfield, /* complain_on_overflow */
bd2d10c0 717 bfd_elf_generic_reloc, /* special_function */
bcbe2c71 718 "R_PPC_SECTOFF", /* name */
08556813
MM		 719 false, /* partial_inplace */
720 0, /* src_mask */
721 0, /* dst_mask */
bcbe2c71
MM		 722 true), /* pcrel_offset */
723
cf5138e3 724 /* 16-bit lower half section relative relocation. */
08556813
MM		 725 HOWTO (R_PPC_SECTOFF_LO, /* type */
726 0, /* rightshift */
727 1, /* size (0 = byte, 1 = short, 2 = long) */
728 16, /* bitsize */
729 false, /* pc_relative */
730 0, /* bitpos */
bcbe2c71 731 complain_overflow_bitfield, /* complain_on_overflow */
bd2d10c0 732 bfd_elf_generic_reloc, /* special_function */
bcbe2c71 733 "R_PPC_SECTOFF_LO", /* name */
08556813
MM		 734 false, /* partial_inplace */
735 0, /* src_mask */
736 0xffff, /* dst_mask */
737 false), /* pcrel_offset */
bcbe2c71 738
cf5138e3 739 /* 16-bit upper half section relative relocation. */
bcbe2c71 740 HOWTO (R_PPC_SECTOFF_HI, /* type */
08556813
MM		 741 16, /* rightshift */
742 1, /* size (0 = byte, 1 = short, 2 = long) */
743 16, /* bitsize */
744 false, /* pc_relative */
745 0, /* bitpos */
bcbe2c71 746 complain_overflow_bitfield, /* complain_on_overflow */
bd2d10c0 747 bfd_elf_generic_reloc, /* special_function */
bcbe2c71 748 "R_PPC_SECTOFF_HI", /* name */
08556813
MM		 749 false, /* partial_inplace */
750 0, /* src_mask */
751 0xffff, /* dst_mask */
752 false), /* pcrel_offset */
bcbe2c71 753
cf5138e3 754 /* 16-bit upper half adjusted section relative relocation. */
bcbe2c71 755 HOWTO (R_PPC_SECTOFF_HA, /* type */
08556813
MM		 756 0, /* rightshift */
757 1, /* size (0 = byte, 1 = short, 2 = long) */
758 16, /* bitsize */
759 false, /* pc_relative */
760 0, /* bitpos */
bcbe2c71 761 complain_overflow_bitfield, /* complain_on_overflow */
bd2d10c0 762 bfd_elf_generic_reloc, /* special_function */
bcbe2c71 763 "R_PPC_SECTOFF_HA", /* name */
08556813
MM		 764 false, /* partial_inplace */
765 0, /* src_mask */
766 0xffff, /* dst_mask */
767 false), /* pcrel_offset */
bcbe2c71
MM		 768
769 /* The remaining relocs are from the Embedded ELF ABI, and are not
770 in the SVR4 ELF ABI. */
771
772 /* 32 bit value resulting from the addend minus the symbol */
773 HOWTO (R_PPC_EMB_NADDR32, /* type */
08556813
MM		 774 0, /* rightshift */
775 2, /* size (0 = byte, 1 = short, 2 = long) */
776 32, /* bitsize */
777 false, /* pc_relative */
778 0, /* bitpos */
bcbe2c71 779 complain_overflow_bitfield, /* complain_on_overflow */
bd2d10c0 780 bfd_elf_generic_reloc, /* special_function */
bcbe2c71 781 "R_PPC_EMB_NADDR32", /* name */
08556813
MM		 782 false, /* partial_inplace */
783 0, /* src_mask */
784 0xffffffff, /* dst_mask */
785 false), /* pcrel_offset */
bcbe2c71 786
4500a112 787 /* 16 bit value resulting from the addend minus the symbol */
bcbe2c71 788 HOWTO (R_PPC_EMB_NADDR16, /* type */
08556813
MM		 789 0, /* rightshift */
790 1, /* size (0 = byte, 1 = short, 2 = long) */
791 16, /* bitsize */
792 false, /* pc_relative */
793 0, /* bitpos */
bcbe2c71 794 complain_overflow_bitfield, /* complain_on_overflow */
bd2d10c0 795 bfd_elf_generic_reloc, /* special_function */
bcbe2c71 796 "R_PPC_EMB_NADDR16", /* name */
08556813
MM		 797 false, /* partial_inplace */
798 0, /* src_mask */
799 0xffff, /* dst_mask */
800 false), /* pcrel_offset */
bcbe2c71
MM		 801
802 /* 16 bit value resulting from the addend minus the symbol */
803 HOWTO (R_PPC_EMB_NADDR16_LO, /* type */
08556813
MM		 804 0, /* rightshift */
805 1, /* size (0 = byte, 1 = short, 2 = long) */
806 16, /* bitsize */
807 false, /* pc_relative */
808 0, /* bitpos */
bcbe2c71 809 complain_overflow_dont,/* complain_on_overflow */
bd2d10c0 810 bfd_elf_generic_reloc, /* special_function */
bcbe2c71 811 "R_PPC_EMB_ADDR16_LO", /* name */
08556813
MM		 812 false, /* partial_inplace */
813 0, /* src_mask */
814 0xffff, /* dst_mask */
815 false), /* pcrel_offset */
bcbe2c71
MM		 816
817 /* The high order 16 bits of the addend minus the symbol */
818 HOWTO (R_PPC_EMB_NADDR16_HI, /* type */
08556813
MM		 819 16, /* rightshift */
820 1, /* size (0 = byte, 1 = short, 2 = long) */
821 16, /* bitsize */
822 false, /* pc_relative */
823 0, /* bitpos */
bcbe2c71 824 complain_overflow_dont, /* complain_on_overflow */
bd2d10c0 825 bfd_elf_generic_reloc, /* special_function */
bcbe2c71 826 "R_PPC_EMB_NADDR16_HI", /* name */
08556813
MM		 827 false, /* partial_inplace */
828 0, /* src_mask */
829 0xffff, /* dst_mask */
830 false), /* pcrel_offset */
bcbe2c71
MM		 831
832 /* The high order 16 bits of the result of the addend minus the address,
833 plus 1 if the contents of the low 16 bits, treated as a signed number,
834 is negative. */
835 HOWTO (R_PPC_EMB_NADDR16_HA, /* type */
08556813
MM		 836 16, /* rightshift */
837 1, /* size (0 = byte, 1 = short, 2 = long) */
838 16, /* bitsize */
839 false, /* pc_relative */
840 0, /* bitpos */
bcbe2c71 841 complain_overflow_dont, /* complain_on_overflow */
bd2d10c0 842 bfd_elf_generic_reloc, /* special_function */
bcbe2c71 843 "R_PPC_EMB_NADDR16_HA", /* name */
08556813
MM		 844 false, /* partial_inplace */
845 0, /* src_mask */
846 0xffff, /* dst_mask */
847 false), /* pcrel_offset */
848
4500a112
MM		 849 /* 16 bit value resulting from allocating a 4 byte word to hold an
850 address in the .sdata section, and returning the offset from
851 _SDA_BASE_ for that relocation */
852 HOWTO (R_PPC_EMB_SDAI16, /* type */
853 0, /* rightshift */
854 1, /* size (0 = byte, 1 = short, 2 = long) */
855 16, /* bitsize */
856 false, /* pc_relative */
857 0, /* bitpos */
858 complain_overflow_bitfield, /* complain_on_overflow */
859 bfd_elf_generic_reloc, /* special_function */
860 "R_PPC_EMB_SDAI16", /* name */
861 false, /* partial_inplace */
862 0, /* src_mask */
863 0xffff, /* dst_mask */
864 false), /* pcrel_offset */
865
866 /* 16 bit value resulting from allocating a 4 byte word to hold an
867 address in the .sdata2 section, and returning the offset from
868 _SDA2_BASE_ for that relocation */
869 HOWTO (R_PPC_EMB_SDA2I16, /* type */
870 0, /* rightshift */
871 1, /* size (0 = byte, 1 = short, 2 = long) */
872 16, /* bitsize */
873 false, /* pc_relative */
874 0, /* bitpos */
875 complain_overflow_bitfield, /* complain_on_overflow */
876 bfd_elf_generic_reloc, /* special_function */
877 "R_PPC_EMB_SDA2I16", /* name */
878 false, /* partial_inplace */
879 0, /* src_mask */
880 0xffff, /* dst_mask */
881 false), /* pcrel_offset */
882
883 /* A sign-extended 16 bit value relative to _SDA2_BASE_, for use with
cf5138e3 884 small data items. */
4500a112
MM		 885 HOWTO (R_PPC_EMB_SDA2REL, /* type */
886 0, /* rightshift */
887 1, /* size (0 = byte, 1 = short, 2 = long) */
888 16, /* bitsize */
889 false, /* pc_relative */
890 0, /* bitpos */
891 complain_overflow_signed, /* complain_on_overflow */
892 bfd_elf_generic_reloc, /* special_function */
893 "R_PPC_EMB_SDA2REL", /* name */
894 false, /* partial_inplace */
895 0, /* src_mask */
896 0xffff, /* dst_mask */
897 false), /* pcrel_offset */
898
899 /* Relocate against either _SDA_BASE_ or _SDA2_BASE_, filling in the 16 bit
900 signed offset from the appropriate base, and filling in the register
901 field with the appropriate register (0, 2, or 13). */
902 HOWTO (R_PPC_EMB_SDA21, /* type */
903 0, /* rightshift */
cf5138e3 904 2, /* size (0 = byte, 1 = short, 2 = long) */
4500a112
MM		 905 16, /* bitsize */
906 false, /* pc_relative */
907 0, /* bitpos */
908 complain_overflow_signed, /* complain_on_overflow */
909 bfd_elf_generic_reloc, /* special_function */
910 "R_PPC_EMB_SDA21", /* name */
911 false, /* partial_inplace */
912 0, /* src_mask */
913 0xffff, /* dst_mask */
914 false), /* pcrel_offset */
915
916 /* Relocation not handled: R_PPC_EMB_MRKREF */
917 /* Relocation not handled: R_PPC_EMB_RELSEC16 */
918 /* Relocation not handled: R_PPC_EMB_RELST_LO */
919 /* Relocation not handled: R_PPC_EMB_RELST_HI */
920 /* Relocation not handled: R_PPC_EMB_RELST_HA */
921 /* Relocation not handled: R_PPC_EMB_BIT_FLD */
922
923 /* PC relative relocation against either _SDA_BASE_ or _SDA2_BASE_, filling
924 in the 16 bit signed offset from the appropriate base, and filling in the
925 register field with the appropriate register (0, 2, or 13). */
926 HOWTO (R_PPC_EMB_RELSDA, /* type */
927 0, /* rightshift */
928 1, /* size (0 = byte, 1 = short, 2 = long) */
929 16, /* bitsize */
930 true, /* pc_relative */
931 0, /* bitpos */
932 complain_overflow_signed, /* complain_on_overflow */
933 bfd_elf_generic_reloc, /* special_function */
934 "R_PPC_EMB_RELSDA", /* name */
935 false, /* partial_inplace */
936 0, /* src_mask */
937 0xffff, /* dst_mask */
938 false), /* pcrel_offset */
939
08556813
MM		 940 /* Phony reloc to handle AIX style TOC entries */
941 HOWTO (R_PPC_TOC16, /* type */
942 0, /* rightshift */
943 1, /* size (0 = byte, 1 = short, 2 = long) */
944 16, /* bitsize */
945 false, /* pc_relative */
946 0, /* bitpos */
947 complain_overflow_signed, /* complain_on_overflow */
07a159db 948 bfd_elf_generic_reloc, /* special_function */
08556813
MM		 949 "R_PPC_TOC16", /* name */
950 false, /* partial_inplace */
951 0, /* src_mask */
952 0xffff, /* dst_mask */
953 false), /* pcrel_offset */
bcbe2c71
MM		 954};
955
ede4eed4
KR		 956\f
957/* Initialize the ppc_elf_howto_table, so that linear accesses can be done. */
958
959static void
960ppc_elf_howto_init ()
961{
962 unsigned int i, type;
963
964 for (i = 0; i < sizeof (ppc_elf_howto_raw) / sizeof (ppc_elf_howto_raw[0]); i++)
965 {
966 type = ppc_elf_howto_raw[i].type;
967 BFD_ASSERT (type < sizeof(ppc_elf_howto_table) / sizeof(ppc_elf_howto_table[0]));
968 ppc_elf_howto_table[type] = &ppc_elf_howto_raw[i];
969 }
970}
971
972\f
973static reloc_howto_type *
974ppc_elf_reloc_type_lookup (abfd, code)
975 bfd *abfd;
976 bfd_reloc_code_real_type code;
977{
08556813 978 enum ppc_reloc_type ppc_reloc = R_PPC_NONE;
02f85cda 979
ede4eed4
KR		 980 if (!ppc_elf_howto_table[ R_PPC_ADDR32 ]) /* Initialize howto table if needed */
981 ppc_elf_howto_init ();
982
983 switch ((int)code)
984 {
02f85cda
MM		 985 default:
986 return (reloc_howto_type *)NULL;
987
988 case BFD_RELOC_NONE: ppc_reloc = R_PPC_NONE; break;
989 case BFD_RELOC_32: ppc_reloc = R_PPC_ADDR32; break;
990 case BFD_RELOC_PPC_BA26: ppc_reloc = R_PPC_ADDR24; break;
991 case BFD_RELOC_16: ppc_reloc = R_PPC_ADDR16; break;
992 case BFD_RELOC_LO16: ppc_reloc = R_PPC_ADDR16_LO; break;
993 case BFD_RELOC_HI16: ppc_reloc = R_PPC_ADDR16_HI; break;
994 case BFD_RELOC_HI16_S: ppc_reloc = R_PPC_ADDR16_HA; break;
995 case BFD_RELOC_PPC_BA16: ppc_reloc = R_PPC_ADDR14; break;
996 case BFD_RELOC_PPC_BA16_BRTAKEN: ppc_reloc = R_PPC_ADDR14_BRTAKEN; break;
997 case BFD_RELOC_PPC_BA16_BRNTAKEN: ppc_reloc = R_PPC_ADDR14_BRNTAKEN; break;
998 case BFD_RELOC_PPC_B26: ppc_reloc = R_PPC_REL24; break;
999 case BFD_RELOC_PPC_B16: ppc_reloc = R_PPC_REL14; break;
1000 case BFD_RELOC_PPC_B16_BRTAKEN: ppc_reloc = R_PPC_REL14_BRTAKEN; break;
1001 case BFD_RELOC_PPC_B16_BRNTAKEN: ppc_reloc = R_PPC_REL14_BRNTAKEN; break;
08556813 1002 case BFD_RELOC_16_GOTOFF: ppc_reloc = R_PPC_GOT16; break;
02f85cda
MM		 1003 case BFD_RELOC_LO16_GOTOFF: ppc_reloc = R_PPC_GOT16_LO; break;
1004 case BFD_RELOC_HI16_GOTOFF: ppc_reloc = R_PPC_GOT16_HI; break;
1005 case BFD_RELOC_HI16_S_GOTOFF: ppc_reloc = R_PPC_GOT16_HA; break;
1006 case BFD_RELOC_24_PLT_PCREL: ppc_reloc = R_PPC_PLTREL24; break;
1007 case BFD_RELOC_PPC_COPY: ppc_reloc = R_PPC_COPY; break;
1008 case BFD_RELOC_PPC_GLOB_DAT: ppc_reloc = R_PPC_GLOB_DAT; break;
1009 case BFD_RELOC_PPC_LOCAL24PC: ppc_reloc = R_PPC_LOCAL24PC; break;
1010 case BFD_RELOC_32_PCREL: ppc_reloc = R_PPC_REL32; break;
1011 case BFD_RELOC_32_PLTOFF: ppc_reloc = R_PPC_PLT32; break;
1012 case BFD_RELOC_32_PLT_PCREL: ppc_reloc = R_PPC_PLTREL32; break;
1013 case BFD_RELOC_LO16_PLTOFF: ppc_reloc = R_PPC_PLT16_LO; break;
1014 case BFD_RELOC_HI16_PLTOFF: ppc_reloc = R_PPC_PLT16_HI; break;
1015 case BFD_RELOC_HI16_S_PLTOFF: ppc_reloc = R_PPC_PLT16_HA; break;
1016 case BFD_RELOC_GPREL16: ppc_reloc = R_PPC_SDAREL16; break;
1017 case BFD_RELOC_32_BASEREL: ppc_reloc = R_PPC_SECTOFF; break;
1018 case BFD_RELOC_LO16_BASEREL: ppc_reloc = R_PPC_SECTOFF_LO; break;
1019 case BFD_RELOC_HI16_BASEREL: ppc_reloc = R_PPC_SECTOFF_HI; break;
1020 case BFD_RELOC_HI16_S_BASEREL: ppc_reloc = R_PPC_SECTOFF_HA; break;
1021 case BFD_RELOC_CTOR: ppc_reloc = R_PPC_ADDR32; break;
08556813 1022 case BFD_RELOC_PPC_TOC16: ppc_reloc = R_PPC_TOC16; break;
4500a112
MM		 1023 case BFD_RELOC_PPC_EMB_NADDR32: ppc_reloc = R_PPC_EMB_NADDR32; break;
1024 case BFD_RELOC_PPC_EMB_NADDR16: ppc_reloc = R_PPC_EMB_NADDR16; break;
1025 case BFD_RELOC_PPC_EMB_NADDR16_LO: ppc_reloc = R_PPC_EMB_NADDR16_LO; break;
1026 case BFD_RELOC_PPC_EMB_NADDR16_HI: ppc_reloc = R_PPC_EMB_NADDR16_HI; break;
1027 case BFD_RELOC_PPC_EMB_NADDR16_HA: ppc_reloc = R_PPC_EMB_NADDR16_HA; break;
1028 case BFD_RELOC_PPC_EMB_SDAI16: ppc_reloc = R_PPC_EMB_SDAI16; break;
1029 case BFD_RELOC_PPC_EMB_SDA2I16: ppc_reloc = R_PPC_EMB_SDA2I16; break;
1030 case BFD_RELOC_PPC_EMB_SDA2REL: ppc_reloc = R_PPC_EMB_SDA2REL; break;
1031 case BFD_RELOC_PPC_EMB_SDA21: ppc_reloc = R_PPC_EMB_SDA21; break;
1032 case BFD_RELOC_PPC_EMB_MRKREF: ppc_reloc = R_PPC_EMB_MRKREF; break;
1033 case BFD_RELOC_PPC_EMB_RELSEC16: ppc_reloc = R_PPC_EMB_RELSEC16; break;
1034 case BFD_RELOC_PPC_EMB_RELST_LO: ppc_reloc = R_PPC_EMB_RELST_LO; break;
1035 case BFD_RELOC_PPC_EMB_RELST_HI: ppc_reloc = R_PPC_EMB_RELST_HI; break;
1036 case BFD_RELOC_PPC_EMB_RELST_HA: ppc_reloc = R_PPC_EMB_RELST_HA; break;
1037 case BFD_RELOC_PPC_EMB_BIT_FLD: ppc_reloc = R_PPC_EMB_BIT_FLD; break;
1038 case BFD_RELOC_PPC_EMB_RELSDA: ppc_reloc = R_PPC_EMB_RELSDA; break;
ede4eed4
KR		 1039 }
1040
02f85cda 1041 return ppc_elf_howto_table[ (int)ppc_reloc ];
ede4eed4
KR		 1042};
1043
1044/* Set the howto pointer for a PowerPC ELF reloc. */
1045
1046static void
1047ppc_elf_info_to_howto (abfd, cache_ptr, dst)
1048 bfd *abfd;
1049 arelent *cache_ptr;
1050 Elf32_Internal_Rela *dst;
1051{
1052 if (!ppc_elf_howto_table[ R_PPC_ADDR32 ]) /* Initialize howto table if needed */
1053 ppc_elf_howto_init ();
1054
1055 BFD_ASSERT (ELF32_R_TYPE (dst->r_info) < (unsigned int) R_PPC_max);
1056 cache_ptr->howto = ppc_elf_howto_table[ELF32_R_TYPE (dst->r_info)];
1057}
1058
dab45734
ILT		 1059/* Handle the R_PPC_ADDR16_HA reloc. */
1060
1061static bfd_reloc_status_type
1062ppc_elf_addr16_ha_reloc (abfd, reloc_entry, symbol, data, input_section,
1063 output_bfd, error_message)
1064 bfd *abfd;
1065 arelent *reloc_entry;
1066 asymbol *symbol;
1067 PTR data;
1068 asection *input_section;
1069 bfd *output_bfd;
1070 char **error_message;
1071{
1072 bfd_vma relocation;
1073
1074 if (output_bfd != NULL)
1075 {
1076 reloc_entry->address += input_section->output_offset;
1077 return bfd_reloc_ok;
1078 }
1079
1080 if (reloc_entry->address > input_section->_cooked_size)
1081 return bfd_reloc_outofrange;
1082
1083 if (bfd_is_com_section (symbol->section))
1084 relocation = 0;
1085 else
1086 relocation = symbol->value;
1087
1088 relocation += symbol->section->output_section->vma;
1089 relocation += symbol->section->output_offset;
1090 relocation += reloc_entry->addend;
1091
1092 reloc_entry->addend += (relocation & 0x8000) << 1;
1093
1094 return bfd_reloc_continue;
1095}
1096
ede4eed4
KR		 1097/* Function to set whether a module needs the -mrelocatable bit set. */
1098
1099static boolean
1100ppc_elf_set_private_flags (abfd, flags)
1101 bfd *abfd;
1102 flagword flags;
1103{
761f377f 1104 BFD_ASSERT (!elf_flags_init (abfd)
ede4eed4
KR		 1105 || elf_elfheader (abfd)->e_flags == flags);
1106
1107 elf_elfheader (abfd)->e_flags = flags;
761f377f 1108 elf_flags_init (abfd) = true;
ede4eed4
KR		 1109 return true;
1110}
1111
1112/* Copy backend specific data from one object module to another */
1113static boolean
1114ppc_elf_copy_private_bfd_data (ibfd, obfd)
1115 bfd *ibfd;
1116 bfd *obfd;
1117{
e7bab9df
MM		 1118 if (bfd_get_flavour (ibfd) != bfd_target_elf_flavour
1119 || bfd_get_flavour (obfd) != bfd_target_elf_flavour)
ede4eed4
KR		 1120 return true;
1121
761f377f 1122 BFD_ASSERT (!elf_flags_init (obfd)
ede4eed4
KR		 1123 || elf_elfheader (obfd)->e_flags == elf_elfheader (ibfd)->e_flags);
1124
1125 elf_elfheader (obfd)->e_flags = elf_elfheader (ibfd)->e_flags;
761f377f 1126 elf_flags_init (obfd) = true;
ede4eed4
KR		 1127 return true;
1128}
1129
1130/* Merge backend specific data from an object file to the output
1131 object file when linking */
1132static boolean
1133ppc_elf_merge_private_bfd_data (ibfd, obfd)
1134 bfd *ibfd;
1135 bfd *obfd;
1136{
1137 flagword old_flags;
1138 flagword new_flags;
08556813 1139 boolean error;
ede4eed4
KR		 1140
1141 /* Check if we have the same endianess */
07a159db
MM		 1142 if (ibfd->xvec->byteorder != obfd->xvec->byteorder
1143 && obfd->xvec->byteorder != BFD_ENDIAN_UNKNOWN)
ede4eed4 1144 {
7a7fbffb 1145 (*_bfd_error_handler)
07a159db 1146 ("%s: compiled for a %s endian system and target is %s endian",
7a7fbffb 1147 bfd_get_filename (ibfd),
08556813
MM		 1148 bfd_big_endian (ibfd) ? "big" : "little",
1149 bfd_big_endian (obfd) ? "big" : "little");
ede4eed4
KR		 1150
1151 bfd_set_error (bfd_error_wrong_format);
1152 return false;
1153 }
1154
e7bab9df
MM		 1155 if (bfd_get_flavour (ibfd) != bfd_target_elf_flavour
1156 || bfd_get_flavour (obfd) != bfd_target_elf_flavour)
ede4eed4
KR		 1157 return true;
1158
1159 new_flags = elf_elfheader (ibfd)->e_flags;
1160 old_flags = elf_elfheader (obfd)->e_flags;
761f377f 1161 if (!elf_flags_init (obfd)) /* First call, no flags set */
ede4eed4 1162 {
761f377f 1163 elf_flags_init (obfd) = true;
ede4eed4
KR		 1164 elf_elfheader (obfd)->e_flags = new_flags;
1165 }
1166
1167 else if (new_flags == old_flags) /* Compatible flags are ok */
1168 ;
1169
1170 else /* Incompatible flags */
1171 {
dd82c578
MM		 1172 /* Warn about -mrelocatable mismatch. Allow -mrelocatable-lib to be linked
1173 with either. */
08556813 1174 error = false;
dd82c578
MM		 1175 if ((new_flags & EF_PPC_RELOCATABLE) != 0
1176 && (old_flags & (EF_PPC_RELOCATABLE | EF_PPC_RELOCATABLE_LIB)) == 0)
ede4eed4 1177 {
08556813 1178 error = true;
7a7fbffb 1179 (*_bfd_error_handler)
07a159db 1180 ("%s: compiled with -mrelocatable and linked with modules compiled normally",
7a7fbffb 1181 bfd_get_filename (ibfd));
ede4eed4 1182 }
08eb30b6 1183 else if ((new_flags & (EF_PPC_RELOCATABLE | EF_PPC_RELOCATABLE_LIB)) == 0
dd82c578 1184 && (old_flags & EF_PPC_RELOCATABLE) != 0)
ede4eed4 1185 {
08556813 1186 error = true;
7a7fbffb 1187 (*_bfd_error_handler)
07a159db 1188 ("%s: compiled normally and linked with modules compiled with -mrelocatable",
7a7fbffb 1189 bfd_get_filename (ibfd));
ede4eed4 1190 }
e7bab9df
MM		 1191 /* If -mrelocatable-lib is linked with an object without -mrelocatable-lib, turn off
1192 the -mrelocatable-lib, since at least one module isn't relocatable. */
1193 else if ((old_flags & EF_PPC_RELOCATABLE_LIB) != 0
1194 && (new_flags & EF_PPC_RELOCATABLE_LIB) == 0)
1195 elf_elfheader (obfd)->e_flags &= ~EF_PPC_RELOCATABLE_LIB;
dd82c578 1196
ede4eed4 1197
3cbe19d2
MM		 1198 /* Do not warn about eabi vs. V.4 mismatch, just or in the bit if any module uses it */
1199 elf_elfheader (obfd)->e_flags |= (new_flags & EF_PPC_EMB);
1200
1201 new_flags &= ~ (EF_PPC_RELOCATABLE | EF_PPC_RELOCATABLE_LIB | EF_PPC_EMB);
1202 old_flags &= ~ (EF_PPC_RELOCATABLE | EF_PPC_RELOCATABLE_LIB | EF_PPC_EMB);
ede4eed4
KR		 1203
1204 /* Warn about any other mismatches */
1205 if (new_flags != old_flags)
08556813
MM		 1206 {
1207 error = true;
1208 (*_bfd_error_handler)
07a159db 1209 ("%s: uses different e_flags (0x%lx) fields than previous modules (0x%lx)",
08556813
MM		 1210 bfd_get_filename (ibfd), (long)new_flags, (long)old_flags);
1211 }
ede4eed4 1212
08556813
MM		 1213 if (error)
1214 {
1215 bfd_set_error (bfd_error_bad_value);
1216 return false;
1217 }
ede4eed4
KR		 1218 }
1219
1220 return true;
1221}
1222
83f4323e
MM		 1223\f
1224/* Handle a PowerPC specific section when reading an object file. This
1225 is called when elfcode.h finds a section with an unknown type. */
1226
1227static boolean
1228ppc_elf_section_from_shdr (abfd, hdr, name)
1229 bfd *abfd;
1230 Elf32_Internal_Shdr *hdr;
1231 char *name;
1232{
1233 asection *newsect;
1234 flagword flags;
1235
1236 if (! _bfd_elf_make_section_from_shdr (abfd, hdr, name))
1237 return false;
1238
1239 newsect = hdr->bfd_section;
1240 flags = bfd_get_section_flags (abfd, newsect);
1241 if (hdr->sh_flags & SHF_EXCLUDE)
1242 flags |= SEC_EXCLUDE;
1243
1244 if (hdr->sh_type == SHT_ORDERED)
1245 flags |= SEC_SORT_ENTRIES;
1246
1247 bfd_set_section_flags (abfd, newsect, flags);
1248 return true;
1249}
1250
57081126
MM		 1251\f
1252/* Set up any other section flags and such that may be necessary. */
1253
6717fb0d 1254static boolean
57081126
MM		 1255ppc_elf_fake_sections (abfd, shdr, asect)
1256 bfd *abfd;
1257 Elf32_Internal_Shdr *shdr;
1258 asection *asect;
1259{
1260 if ((asect->flags & SEC_EXCLUDE) != 0)
1261 shdr->sh_flags |= SHF_EXCLUDE;
1262
1263 if ((asect->flags & SEC_SORT_ENTRIES) != 0)
1264 shdr->sh_type = SHT_ORDERED;
3f7ca26b
MM		 1265
1266 return true;
57081126
MM		 1267}
1268
1c3a295b 1269\f
3b3753b8
MM		 1270/* Create a special linker section */
1271static elf_linker_section_t *
1272ppc_elf_create_linker_section (abfd, info, which)
1c3a295b
MM		 1273 bfd *abfd;
1274 struct bfd_link_info *info;
3b3753b8 1275 enum elf_linker_section_enum which;
1c3a295b 1276{
3b3753b8
MM		 1277 bfd *dynobj = elf_hash_table (info)->dynobj;
1278 elf_linker_section_t *lsect;
1c3a295b 1279
3b3753b8
MM		 1280 /* Record the first bfd section that needs the special section */
1281 if (!dynobj)
1282 dynobj = elf_hash_table (info)->dynobj = abfd;
1c3a295b 1283
3b3753b8
MM		 1284 /* If this is the first time, create the section */
1285 lsect = elf_linker_section (dynobj, which);
1286 if (!lsect)
1c3a295b 1287 {
3b3753b8
MM		 1288 elf_linker_section_t defaults;
1289 static elf_linker_section_t zero_section;
1290
1291 defaults = zero_section;
1292 defaults.which = which;
1293 defaults.hole_written_p = false;
1294 defaults.alignment = 2;
ff12f303
ILT		 1295 defaults.flags = (SEC_ALLOC | SEC_LOAD | SEC_HAS_CONTENTS
1296 | SEC_IN_MEMORY | SEC_LINKER_CREATED);
3b3753b8
MM		 1297
1298 switch (which)
1299 {
1300 default:
1301 (*_bfd_error_handler) ("%s: Unknown special linker type %d",
1302 bfd_get_filename (abfd),
1303 (int)which);
1304
1305 bfd_set_error (bfd_error_bad_value);
1306 return (elf_linker_section_t *)0;
1307
3b3753b8
MM		 1308 case LINKER_SECTION_SDATA: /* .sdata/.sbss section */
1309 defaults.name = ".sdata";
1310 defaults.rel_name = ".rela.sdata";
1311 defaults.bss_name = ".sbss";
1312 defaults.sym_name = "_SDA_BASE_";
05f927dd 1313 defaults.sym_offset = 32768;
3b3753b8
MM		 1314 break;
1315
1316 case LINKER_SECTION_SDATA2: /* .sdata2/.sbss2 section */
1317 defaults.name = ".sdata2";
1318 defaults.rel_name = ".rela.sdata2";
1319 defaults.bss_name = ".sbss2";
1320 defaults.sym_name = "_SDA2_BASE_";
05f927dd 1321 defaults.sym_offset = 32768;
3f7ca26b 1322 defaults.flags |= SEC_READONLY;
3b3753b8
MM		 1323 break;
1324 }
1325
1326 lsect = _bfd_elf_create_linker_section (abfd, info, which, &defaults);
1c3a295b
MM		 1327 }
1328
3b3753b8 1329 return lsect;
1c3a295b
MM		 1330}
1331
3f7ca26b
MM		 1332\f
1333/* If we have a non-zero sized .sbss2 or .PPC.EMB.sbss0 sections, we need to bump up
1334 the number of section headers. */
1335
1336static int
1337ppc_elf_additional_program_headers (abfd)
1338 bfd *abfd;
1339{
1340 asection *s;
1341 int ret;
1342
1343 ret = 0;
1344
1345 s = bfd_get_section_by_name (abfd, ".interp");
1346 if (s != NULL)
1347 ++ret;
1348
1349 s = bfd_get_section_by_name (abfd, ".sbss2");
1350 if (s != NULL && (s->flags & SEC_LOAD) != 0 && s->_raw_size > 0)
1351 ++ret;
1352
1353 s = bfd_get_section_by_name (abfd, ".PPC.EMB.sbss0");
1354 if (s != NULL && (s->flags & SEC_LOAD) != 0 && s->_raw_size > 0)
1355 ++ret;
1356
1357 return ret;
1358}
1359
1360/* Modify the segment map if needed */
1361
1362static boolean
1363ppc_elf_modify_segment_map (abfd)
1364 bfd *abfd;
1365{
1366 return true;
1367}
08556813
MM		 1368\f
1369/* Adjust a symbol defined by a dynamic object and referenced by a
1370 regular object. The current definition is in some section of the
1371 dynamic object, but we're not including those sections. We have to
1372 change the definition to something the rest of the link can
1373 understand. */
1374
1375static boolean
1376ppc_elf_adjust_dynamic_symbol (info, h)
1377 struct bfd_link_info *info;
1378 struct elf_link_hash_entry *h;
1379{
3f7ca26b
MM		 1380 bfd *dynobj = elf_hash_table (info)->dynobj;
1381 asection *s;
1382 unsigned int power_of_two;
1383 bfd_vma plt_offset;
1384
08556813 1385#ifdef DEBUG
3f7ca26b 1386 fprintf (stderr, "ppc_elf_adjust_dynamic_symbol called for %s\n", h->root.root.string);
08556813 1387#endif
3f7ca26b
MM		 1388
1389 /* Make sure we know what is going on here. */
1390 BFD_ASSERT (dynobj != NULL
1391 && ((h->elf_link_hash_flags & ELF_LINK_HASH_NEEDS_PLT)
1392 || h->weakdef != NULL
1393 || ((h->elf_link_hash_flags
1394 & ELF_LINK_HASH_DEF_DYNAMIC) != 0
1395 && (h->elf_link_hash_flags
1396 & ELF_LINK_HASH_REF_REGULAR) != 0
1397 && (h->elf_link_hash_flags
1398 & ELF_LINK_HASH_DEF_REGULAR) == 0)));
1399
1400
1401 /* If this is a function, put it in the procedure linkage table. We
1402 will fill in the contents of the procedure linkage table later,
1403 when we know the address of the .got section. */
1404 if (h->type == STT_FUNC
1405 || (h->elf_link_hash_flags & ELF_LINK_HASH_NEEDS_PLT) != 0)
1406 {
1407 if (! info->shared
1408 && (h->elf_link_hash_flags & ELF_LINK_HASH_DEF_DYNAMIC) == 0
1409 && (h->elf_link_hash_flags & ELF_LINK_HASH_REF_DYNAMIC) == 0)
1410 {
1411 /* This case can occur if we saw a PLT32 reloc in an input
1412 file, but the symbol was never referred to by a dynamic
1413 object. In such a case, we don't actually need to build
1414 a procedure linkage table, and we can just do a PC32
1415 reloc instead. */
1416 BFD_ASSERT ((h->elf_link_hash_flags & ELF_LINK_HASH_NEEDS_PLT) != 0);
1417 return true;
1418 }
1419
1420 /* Make sure this symbol is output as a dynamic symbol. */
1421 if (h->dynindx == -1)
1422 {
1423 if (! bfd_elf32_link_record_dynamic_symbol (info, h))
1424 return false;
1425 }
1426
1427 s = bfd_get_section_by_name (dynobj, ".plt");
1428 BFD_ASSERT (s != NULL);
1429
1430 /* If this is the first .plt entry, make room for the special
1431 first entry. */
1432 if (s->_raw_size == 0)
1433 s->_raw_size += PLT_INITIAL_ENTRY_SIZE;
1434
1435 /* The PowerPC PLT is actually composed of two parts, the first part
1436 is 2 words (for a load and a jump), and then there is a remaining
1437 word available at the end. */
1438 plt_offset = (PLT_INITIAL_ENTRY_SIZE
1439 + 8 * ((s->_raw_size - PLT_INITIAL_ENTRY_SIZE) / PLT_ENTRY_SIZE));
1440
1441 /* If this symbol is not defined in a regular file, and we are
1442 not generating a shared library, then set the symbol to this
1443 location in the .plt. This is required to make function
1444 pointers compare as equal between the normal executable and
1445 the shared library. */
1446 if (! info->shared
1447 && (h->elf_link_hash_flags & ELF_LINK_HASH_DEF_REGULAR) == 0)
1448 {
1449 h->root.u.def.section = s;
1450 h->root.u.def.value = plt_offset;
1451 }
1452
1453 h->plt_offset = plt_offset;
1454
1455 /* Make room for this entry. */
1456 s->_raw_size += PLT_ENTRY_SIZE;
1457
1458 /* We also need to make an entry in the .rela.plt section. */
3f7ca26b
MM		 1459 s = bfd_get_section_by_name (dynobj, ".rela.plt");
1460 BFD_ASSERT (s != NULL);
1461 s->_raw_size += sizeof (Elf32_External_Rela);
1462
1463 return true;
1464 }
1465
1466 /* If this is a weak symbol, and there is a real definition, the
1467 processor independent code will have arranged for us to see the
1468 real definition first, and we can just use the same value. */
1469 if (h->weakdef != NULL)
1470 {
1471 BFD_ASSERT (h->weakdef->root.type == bfd_link_hash_defined
1472 || h->weakdef->root.type == bfd_link_hash_defweak);
1473 h->root.u.def.section = h->weakdef->root.u.def.section;
1474 h->root.u.def.value = h->weakdef->root.u.def.value;
1475 return true;
1476 }
1477
1478 /* This is a reference to a symbol defined by a dynamic object which
1479 is not a function. */
1480
1481 /* If we are creating a shared library, we must presume that the
1482 only references to the symbol are via the global offset table.
1483 For such cases we need not do anything here; the relocations will
1484 be handled correctly by relocate_section. */
1485 if (info->shared)
1486 return true;
1487
1488 /* We must allocate the symbol in our .dynbss section, which will
1489 become part of the .bss section of the executable. There will be
1490 an entry for this symbol in the .dynsym section. The dynamic
1491 object will contain position independent code, so all references
1492 from the dynamic object to this symbol will go through the global
1493 offset table. The dynamic linker will use the .dynsym entry to
1494 determine the address it must put in the global offset table, so
1495 both the dynamic object and the regular object will refer to the
1496 same memory location for the variable. */
1497
1498 s = bfd_get_section_by_name (dynobj, ".dynbss");
1499 BFD_ASSERT (s != NULL);
1500
acba322e
MM		 1501 /* We must generate a R_PPC_COPY reloc to tell the dynamic linker to
1502 copy the initial value out of the dynamic object and into the
1503 runtime process image. We need to remember the offset into the
1504 .rela.bss section we are going to use. */
1505 if ((h->root.u.def.section->flags & SEC_ALLOC) != 0)
3f7ca26b
MM		 1506 {
1507 asection *srel;
1508
1509 srel = bfd_get_section_by_name (dynobj, ".rela.bss");
1510 BFD_ASSERT (srel != NULL);
b6eb341b 1511 srel->_raw_size += sizeof (Elf32_External_Rela);
3f7ca26b
MM		 1512 h->elf_link_hash_flags |= ELF_LINK_HASH_NEEDS_COPY;
1513 }
1514
1515 /* We need to figure out the alignment required for this symbol. I
1516 have no idea how ELF linkers handle this. */
1517 power_of_two = bfd_log2 (h->size);
1518 if (power_of_two > 3)
1519 power_of_two = 3;
1520
1521 /* Apply the required alignment. */
1522 s->_raw_size = BFD_ALIGN (s->_raw_size,
1523 (bfd_size_type) (1 << power_of_two));
1524 if (power_of_two > bfd_get_section_alignment (dynobj, s))
1525 {
1526 if (! bfd_set_section_alignment (dynobj, s, power_of_two))
1527 return false;
1528 }
1529
1530 /* Define the symbol as being at this point in the section. */
1531 h->root.u.def.section = s;
1532 h->root.u.def.value = s->_raw_size;
1533
1534 /* Increment the section size to make room for the symbol. */
1535 s->_raw_size += h->size;
1536
08556813
MM		 1537 return true;
1538}
1539
1540\f
1541/* Increment the index of a dynamic symbol by a given amount. Called
1542 via elf_link_hash_traverse. */
1543
1544static boolean
1545ppc_elf_adjust_dynindx (h, cparg)
1546 struct elf_link_hash_entry *h;
1547 PTR cparg;
1548{
1549 int *cp = (int *) cparg;
1550
1551#ifdef DEBUG
1552 fprintf (stderr, "ppc_elf_adjust_dynindx called, h->dynindx = %d, *cp = %d\n", h->dynindx, *cp);
1553#endif
1554
1555 if (h->dynindx != -1)
1556 h->dynindx += *cp;
1557
1558 return true;
1559}
1560
1561\f
1562/* Set the sizes of the dynamic sections. */
1563
1564static boolean
1565ppc_elf_size_dynamic_sections (output_bfd, info)
1566 bfd *output_bfd;
1567 struct bfd_link_info *info;
1568{
1569 bfd *dynobj;
1570 asection *s;
3f7ca26b
MM		 1571 boolean plt;
1572 boolean relocs;
08556813 1573 boolean reltext;
08556813
MM		 1574
1575#ifdef DEBUG
1576 fprintf (stderr, "ppc_elf_size_dynamic_sections called\n");
1577#endif
1578
1579 dynobj = elf_hash_table (info)->dynobj;
1580 BFD_ASSERT (dynobj != NULL);
1581
1582 if (elf_hash_table (info)->dynamic_sections_created)
1583 {
1584 /* Set the contents of the .interp section to the interpreter. */
1585 if (! info->shared)
1586 {
1587 s = bfd_get_section_by_name (dynobj, ".interp");
1588 BFD_ASSERT (s != NULL);
1589 s->_raw_size = sizeof ELF_DYNAMIC_INTERPRETER;
1590 s->contents = (unsigned char *) ELF_DYNAMIC_INTERPRETER;
1591 }
08556813
MM		 1592 }
1593 else
1594 {
3b3753b8 1595 /* We may have created entries in the .rela.got, .rela.sdata, and
e7bab9df 1596 .rela.sdata2 sections. However, if we are not creating the
3b3753b8
MM		 1597 dynamic sections, we will not actually use these entries. Reset
1598 the size of .rela.got, et al, which will cause it to get
1599 stripped from the output file below. */
1600 static char *rela_sections[] = { ".rela.got", ".rela.sdata", ".rela.sdata", (char *)0 };
1601 char **p;
1602
1603 for (p = rela_sections; *p != (char *)0; p++)
1604 {
1605 s = bfd_get_section_by_name (dynobj, *p);
1606 if (s != NULL)
1607 s->_raw_size = 0;
1608 }
08556813
MM		 1609 }
1610
1611 /* The check_relocs and adjust_dynamic_symbol entry points have
1612 determined the sizes of the various dynamic sections. Allocate
1613 memory for them. */
3f7ca26b
MM		 1614 plt = false;
1615 relocs = false;
08556813 1616 reltext = false;
08556813
MM		 1617 for (s = dynobj->sections; s != NULL; s = s->next)
1618 {
1619 const char *name;
1620 boolean strip;
1621
ff12f303 1622 if ((s->flags & SEC_LINKER_CREATED) == 0)
08556813
MM		 1623 continue;
1624
1625 /* It's OK to base decisions on the section name, because none
1626 of the dynobj section names depend upon the input files. */
1627 name = bfd_get_section_name (dynobj, s);
1628
1629 strip = false;
1630
3f7ca26b
MM		 1631 if (strcmp (name, ".plt") == 0)
1632 {
1633 if (s->_raw_size == 0)
1634 {
1635 /* Strip this section if we don't need it; see the
1636 comment below. */
1637 strip = true;
1638 }
1639 else
1640 {
1641 /* Remember whether there is a PLT. */
1642 plt = true;
1643 }
1644 }
1645 else if (strncmp (name, ".rela", 5) == 0)
08556813
MM		 1646 {
1647 if (s->_raw_size == 0)
1648 {
1649 /* If we don't need this section, strip it from the
3f7ca26b
MM		 1650 output file. This is mostly to handle .rela.bss and
1651 .rela.plt. We must create both sections in
1652 create_dynamic_sections, because they must be created
08556813
MM		 1653 before the linker maps input sections to output
1654 sections. The linker does that before
1655 adjust_dynamic_symbol is called, and it is that
1656 function which decides whether anything needs to go
1657 into these sections. */
1658 strip = true;
1659 }
1660 else
1661 {
1662 asection *target;
b6eb341b 1663 const char *outname;
08556813 1664
b6eb341b
ILT		 1665 /* Remember whether there are any relocation sections. */
1666 relocs = true;
1667
1668 /* If this relocation section applies to a read only
1669 section, then we probably need a DT_TEXTREL entry. */
1670 outname = bfd_get_section_name (output_bfd,
1671 s->output_section);
1672 target = bfd_get_section_by_name (output_bfd, outname + 5);
1673 if (target != NULL
1674 && (target->flags & SEC_READONLY) != 0)
1675 reltext = true;
08556813
MM		 1676
1677 /* We use the reloc_count field as a counter if we need
1678 to copy relocs into the output file. */
1679 s->reloc_count = 0;
1680 }
1681 }
3f7ca26b
MM		 1682 else if (strcmp (name, ".got") != 0
1683 && strcmp (name, ".sdata") != 0
1684 && strcmp (name, ".sdata2") != 0)
08556813
MM		 1685 {
1686 /* It's not one of our sections, so don't allocate space. */
1687 continue;
1688 }
1689
1690 if (strip)
1691 {
1692 asection **spp;
1693
1694 for (spp = &s->output_section->owner->sections;
1695 *spp != s->output_section;
1696 spp = &(*spp)->next)
1697 ;
1698 *spp = s->output_section->next;
1699 --s->output_section->owner->section_count;
1700
1701 continue;
1702 }
1703
1704 /* Allocate memory for the section contents. */
eb82bc60 1705 s->contents = (bfd_byte *) bfd_zalloc (dynobj, s->_raw_size);
08556813
MM		 1706 if (s->contents == NULL && s->_raw_size != 0)
1707 return false;
1708 }
1709
1710 if (elf_hash_table (info)->dynamic_sections_created)
1711 {
1712 /* Add some entries to the .dynamic section. We fill in the
1713 values later, in ppc_elf_finish_dynamic_sections, but we
1714 must add the entries now so that we get the correct size for
1715 the .dynamic section. The DT_DEBUG entry is filled in by the
1716 dynamic linker and used by the debugger. */
1717 if (! info->shared)
1718 {
1719 if (! bfd_elf32_add_dynamic_entry (info, DT_DEBUG, 0))
1720 return false;
1721 }
1722
3f7ca26b 1723 if (plt)
08556813 1724 {
3f7ca26b
MM		 1725 if (! bfd_elf32_add_dynamic_entry (info, DT_PLTGOT, 0)
1726 || ! bfd_elf32_add_dynamic_entry (info, DT_PLTRELSZ, 0)
b6eb341b 1727 || ! bfd_elf32_add_dynamic_entry (info, DT_PLTREL, DT_RELA)
08556813
MM		 1728 || ! bfd_elf32_add_dynamic_entry (info, DT_JMPREL, 0))
1729 return false;
1730 }
1731
3f7ca26b
MM		 1732 if (relocs)
1733 {
1734 if (! bfd_elf32_add_dynamic_entry (info, DT_RELA, 0)
b6eb341b
ILT		 1735 || ! bfd_elf32_add_dynamic_entry (info, DT_RELASZ, 0)
1736 || ! bfd_elf32_add_dynamic_entry (info, DT_RELAENT,
3f7ca26b
MM		 1737 sizeof (Elf32_External_Rela)))
1738 return false;
1739 }
08556813
MM		 1740
1741 if (reltext)
1742 {
1743 if (! bfd_elf32_add_dynamic_entry (info, DT_TEXTREL, 0))
1744 return false;
1745 }
1746 }
1747
1748 /* If we are generating a shared library, we generate a section
1749 symbol for each output section. These are local symbols, which
1750 means that they must come first in the dynamic symbol table.
1751 That means we must increment the dynamic symbol index of every
b6eb341b
ILT		 1752 other dynamic symbol.
1753
1754 FIXME: We assume that there will never be relocations to
1755 locations in linker-created sections that do not have
1756 externally-visible names. Instead, we should work out precisely
1757 which sections relocations are targetted at. */
08556813
MM		 1758 if (info->shared)
1759 {
1760 int c, i;
1761
b6eb341b
ILT		 1762 for (c = 0, s = output_bfd->sections; s != NULL; s = s->next)
1763 {
1764 if ((s->flags & SEC_LINKER_CREATED) != 0)
1765 continue;
1766 c++;
1767 }
1768
08556813
MM		 1769 elf_link_hash_traverse (elf_hash_table (info),
1770 ppc_elf_adjust_dynindx,
1771 (PTR) &c);
1772 elf_hash_table (info)->dynsymcount += c;
1773
b6eb341b 1774 for (i = 1, s = output_bfd->sections; s != NULL; s = s->next)
08556813 1775 {
b6eb341b
ILT		 1776 if ((s->flags & SEC_LINKER_CREATED) != 0)
1777 elf_section_data (s)->dynindx = -1;
1778 else
1779 {
1780 elf_section_data (s)->dynindx = i;
1781 /* These symbols will have no names, so we don't need to
1782 fiddle with dynstr_index. */
1783 i++;
1784 }
08556813 1785 }
b6eb341b
ILT		 1786
1787 BFD_ASSERT(i == c + 1);
08556813
MM		 1788 }
1789
1790 return true;
1791}
1792
1793\f
1794/* Look through the relocs for a section during the first phase, and
1795 allocate space in the global offset table or procedure linkage
1796 table. */
1797
1798static boolean
1799ppc_elf_check_relocs (abfd, info, sec, relocs)
1800 bfd *abfd;
1801 struct bfd_link_info *info;
1802 asection *sec;
1803 const Elf_Internal_Rela *relocs;
1804{
e25a7988 1805 boolean ret = true;
08556813
MM		 1806 bfd *dynobj;
1807 Elf_Internal_Shdr *symtab_hdr;
1808 struct elf_link_hash_entry **sym_hashes;
08556813
MM		 1809 const Elf_Internal_Rela *rel;
1810 const Elf_Internal_Rela *rel_end;
e7bab9df 1811 bfd_vma *local_got_offsets;
3b3753b8
MM		 1812 elf_linker_section_t *sdata;
1813 elf_linker_section_t *sdata2;
08556813 1814 asection *sreloc;
b6eb341b
ILT		 1815 asection *sgot;
1816 asection *srelgot = NULL;
08556813
MM		 1817
1818 if (info->relocateable)
1819 return true;
1820
1821#ifdef DEBUG
3f7ca26b
MM		 1822 fprintf (stderr, "ppc_elf_check_relocs called for section %s in %s\n",
1823 bfd_get_section_name (abfd, sec),
1824 bfd_get_filename (abfd));
08556813
MM		 1825#endif
1826
acba322e 1827 /* Create the linker generated sections all the time so that the
b6eb341b 1828 special symbols are created. */
3f7ca26b 1829
3b3753b8
MM		 1830 if ((sdata = elf_linker_section (abfd, LINKER_SECTION_SDATA)) == NULL)
1831 {
1832 sdata = ppc_elf_create_linker_section (abfd, info, LINKER_SECTION_SDATA);
1833 if (!sdata)
e25a7988 1834 ret = false;
3b3753b8
MM		 1835 }
1836
1837
1838 if ((sdata2 = elf_linker_section (abfd, LINKER_SECTION_SDATA2)) == NULL)
1839 {
1840 sdata2 = ppc_elf_create_linker_section (abfd, info, LINKER_SECTION_SDATA2);
1841 if (!sdata2)
e25a7988 1842 ret = false;
3b3753b8
MM		 1843 }
1844
08556813
MM		 1845 dynobj = elf_hash_table (info)->dynobj;
1846 symtab_hdr = &elf_tdata (abfd)->symtab_hdr;
1847 sym_hashes = elf_sym_hashes (abfd);
e7bab9df 1848 local_got_offsets = elf_local_got_offsets (abfd);
08556813 1849
b6eb341b
ILT		 1850 /* FIXME: We should only create the .got section if we need it.
1851 Otherwise we waste space in a statically linked executable. */
1852
1853 if (! _bfd_elf_create_got_section (dynobj, info))
1854 return false;
1855 sgot = bfd_get_section_by_name (dynobj, ".got");
1856 BFD_ASSERT (sgot != NULL);
1857
08556813
MM		 1858 sreloc = NULL;
1859
1860 rel_end = relocs + sec->reloc_count;
1861 for (rel = relocs; rel < rel_end; rel++)
1862 {
1863 unsigned long r_symndx;
1864 struct elf_link_hash_entry *h;
1865
1866 r_symndx = ELF32_R_SYM (rel->r_info);
1867 if (r_symndx < symtab_hdr->sh_info)
1868 h = NULL;
1869 else
1870 h = sym_hashes[r_symndx - symtab_hdr->sh_info];
1871
1872 switch (ELF32_R_TYPE (rel->r_info))
1873 {
3b3753b8 1874 /* GOT16 relocations */
08556813
MM		 1875 case R_PPC_GOT16:
1876 case R_PPC_GOT16_LO:
1877 case R_PPC_GOT16_HI:
1878 case R_PPC_GOT16_HA:
b6eb341b
ILT		 1879 if (srelgot == NULL
1880 && (h != NULL || info->shared))
e25a7988 1881 {
b6eb341b
ILT		 1882 srelgot = bfd_get_section_by_name (dynobj, ".rela.got");
1883 if (srelgot == NULL)
1884 {
1885 srelgot = bfd_make_section (dynobj, ".rela.got");
1886 if (srelgot == NULL
1887 || ! bfd_set_section_flags (dynobj, srelgot,
1888 (SEC_ALLOC
1889 | SEC_LOAD
1890 | SEC_HAS_CONTENTS
1891 | SEC_IN_MEMORY
1892 | SEC_LINKER_CREATED
1893 | SEC_READONLY))
1894 || ! bfd_set_section_alignment (dynobj, srelgot, 2))
1895 return false;
1896 }
e25a7988 1897 }
1c3a295b 1898
b6eb341b
ILT		 1899 if (h != NULL)
1900 {
1901 if (h->got_offset != (bfd_vma) -1)
1902 {
1903 /* We have already allocated space in the .got. */
1904 break;
1905 }
1906 h->got_offset = sgot->_raw_size;
1907
1908 /* Make sure this symbol is output as a dynamic symbol. */
1909 if (h->dynindx == -1)
1910 {
1911 if (! bfd_elf32_link_record_dynamic_symbol (info, h))
1912 return false;
1913 }
1914
1915 srelgot->_raw_size += sizeof (Elf32_External_Rela);
1916 }
1917 else
1918 {
1919 /* This is a global offset table entry for a local
1920 symbol. */
1921 if (local_got_offsets == NULL)
1922 {
1923 size_t size;
1924 register unsigned int i;
1925
1926 size = symtab_hdr->sh_info * sizeof (bfd_vma);
1927 local_got_offsets = (bfd_vma *) bfd_alloc (abfd, size);
1928 if (local_got_offsets == NULL)
1929 return false;
1930 elf_local_got_offsets (abfd) = local_got_offsets;
1931 for (i = 0; i < symtab_hdr->sh_info; i++)
1932 local_got_offsets[i] = (bfd_vma) -1;
1933 }
1934 if (local_got_offsets[r_symndx] != (bfd_vma) -1)
1935 {
1936 /* We have already allocated space in the .got. */
1937 break;
1938 }
1939 local_got_offsets[r_symndx] = sgot->_raw_size;
1940
1941 if (info->shared)
1942 {
1943 /* If we are generating a shared object, we need to
1944 output a R_PPC_RELATIVE reloc so that the
1945 dynamic linker can adjust this GOT entry. */
1946 srelgot->_raw_size += sizeof (Elf32_External_Rela);
1947 }
1948 }
1949
1950 sgot->_raw_size += 4;
08556813 1951
3b3753b8 1952 break;
08556813 1953
3b3753b8
MM		 1954 /* Indirect .sdata relocation */
1955 case R_PPC_EMB_SDAI16:
e25a7988
MM		 1956 if (info->shared)
1957 {
1958 (*_bfd_error_handler) ("%s: relocation %s cannot be used when making a shared object",
1959 bfd_get_filename (abfd),
1960 "R_PPC_EMB_SDAI16");
1961 ret = false;
1962 break;
1963 }
1964
b6eb341b
ILT		 1965 if (srelgot == NULL
1966 && (h != NULL || info->shared))
acba322e 1967 {
b6eb341b
ILT		 1968 srelgot = bfd_get_section_by_name (dynobj, ".rela.got");
1969 if (srelgot == NULL)
acba322e 1970 {
b6eb341b
ILT		 1971 srelgot = bfd_make_section (dynobj, ".rela.got");
1972 if (srelgot == NULL
1973 || ! bfd_set_section_flags (dynobj, srelgot,
1974 (SEC_ALLOC
1975 | SEC_LOAD
1976 | SEC_HAS_CONTENTS
1977 | SEC_IN_MEMORY
1978 | SEC_LINKER_CREATED
1979 | SEC_READONLY))
1980 || ! bfd_set_section_alignment (dynobj, srelgot, 2))
1981 return false;
acba322e
MM		 1982 }
1983 }
1984
3b3753b8 1985 if (!bfd_elf32_create_pointer_linker_section (abfd, info, sdata, h, rel))
e25a7988 1986 ret = false;
08556813 1987
3b3753b8 1988 break;
08556813 1989
3b3753b8
MM		 1990 /* Indirect .sdata2 relocation */
1991 case R_PPC_EMB_SDA2I16:
e25a7988
MM		 1992 if (info->shared)
1993 {
1994 (*_bfd_error_handler) ("%s: relocation %s cannot be used when making a shared object",
1995 bfd_get_filename (abfd),
1996 "R_PPC_EMB_SDA2I16");
1997 ret = false;
1998 break;
1999 }
2000
b6eb341b
ILT		 2001 if (srelgot == NULL
2002 && (h != NULL || info->shared))
acba322e 2003 {
b6eb341b
ILT		 2004 srelgot = bfd_get_section_by_name (dynobj, ".rela.got");
2005 if (srelgot == NULL)
acba322e 2006 {
b6eb341b
ILT		 2007 srelgot = bfd_make_section (dynobj, ".rela.got");
2008 if (srelgot == NULL
2009 || ! bfd_set_section_flags (dynobj, srelgot,
2010 (SEC_ALLOC
2011 | SEC_LOAD
2012 | SEC_HAS_CONTENTS
2013 | SEC_IN_MEMORY
2014 | SEC_LINKER_CREATED
2015 | SEC_READONLY))
2016 || ! bfd_set_section_alignment (dynobj, srelgot, 2))
2017 return false;
acba322e
MM		 2018 }
2019 }
2020
3b3753b8
MM		 2021 if (!bfd_elf32_create_pointer_linker_section (abfd, info, sdata2, h, rel))
2022 return false;
08556813
MM		 2023
2024 break;
2025
e25a7988
MM		 2026 case R_PPC_SDAREL16:
2027 case R_PPC_EMB_SDA2REL:
2028 case R_PPC_EMB_SDA21:
2029 if (info->shared)
2030 {
2031 (*_bfd_error_handler) ("%s: relocation %s cannot be used when making a shared object",
2032 bfd_get_filename (abfd),
2033 ppc_elf_howto_table[(int)ELF32_R_TYPE (rel->r_info)]->name);
2034 ret = false;
2035 }
2036 break;
2037
08556813
MM		 2038 case R_PPC_PLT32:
2039 case R_PPC_PLTREL24:
2040 case R_PPC_PLT16_LO:
2041 case R_PPC_PLT16_HI:
2042 case R_PPC_PLT16_HA:
2043#ifdef DEBUG
2044 fprintf (stderr, "Reloc requires a PLT entry\n");
2045#endif
2046 /* This symbol requires a procedure linkage table entry. We
2047 actually build the entry in adjust_dynamic_symbol,
2048 because this might be a case of linking PIC code without
2049 linking in any dynamic objects, in which case we don't
2050 need to generate a procedure linkage table after all. */
2051
2052 if (h == NULL)
2053 {
2054 /* It does not make sense to have a procedure linkage
2055 table entry for a local symbol. */
2056 bfd_set_error (bfd_error_bad_value);
e25a7988
MM		 2057 ret = false;
2058 break;
08556813
MM		 2059 }
2060
2061 /* Make sure this symbol is output as a dynamic symbol. */
2062 if (h->dynindx == -1)
2063 {
2064 if (! bfd_elf32_link_record_dynamic_symbol (info, h))
e25a7988
MM		 2065 {
2066 ret = false;
2067 break;
2068 }
08556813
MM		 2069 }
2070
2071 h->elf_link_hash_flags |= ELF_LINK_HASH_NEEDS_PLT;
2072 break;
2073
b6eb341b
ILT		 2074 /* The following relocations don't need to propagate the
2075 relocation if linking a shared object since they are
2076 section relative. */
e25a7988
MM		 2077 case R_PPC_SECTOFF:
2078 case R_PPC_SECTOFF_LO:
2079 case R_PPC_SECTOFF_HI:
2080 case R_PPC_SECTOFF_HA:
2081 break;
2082
e7bab9df
MM		 2083 /* This refers only to functions defined in the shared library */
2084 case R_PPC_LOCAL24PC:
2085 break;
2086
e25a7988
MM		 2087 /* When creating a shared object, we must copy these
2088 relocs into the output file. We create a reloc
2089 section in dynobj and make room for the reloc. */
2090 case R_PPC_REL24:
08556813
MM		 2091 if (h != NULL
2092 && strcmp (h->root.root.string, "_GLOBAL_OFFSET_TABLE_") == 0)
2093 break;
0293d5b0 2094 /* fall through */
e25a7988
MM		 2095
2096 case R_PPC_REL14:
2097 case R_PPC_REL14_BRTAKEN:
2098 case R_PPC_REL14_BRNTAKEN:
08556813
MM		 2099 if (h == NULL)
2100 break;
0293d5b0 2101 /* fall through */
e25a7988
MM		 2102
2103 default:
b6eb341b 2104 if (info->shared)
08556813 2105 {
e7bab9df
MM		 2106#ifdef DEBUG
2107 fprintf (stderr, "ppc_elf_check_relocs need to create relocation for %s\n",
2108 (h && h->root.root.string) ? h->root.root.string : "<unknown>");
2109#endif
08556813
MM		 2110 if (sreloc == NULL)
2111 {
2112 const char *name;
2113
2114 name = (bfd_elf_string_from_elf_section
2115 (abfd,
2116 elf_elfheader (abfd)->e_shstrndx,
2117 elf_section_data (sec)->rel_hdr.sh_name));
2118 if (name == NULL)
e25a7988
MM		 2119 {
2120 ret = false;
2121 break;
2122 }
08556813
MM		 2123
2124 BFD_ASSERT (strncmp (name, ".rela", 5) == 0
2125 && strcmp (bfd_get_section_name (abfd, sec),
2126 name + 5) == 0);
2127
2128 sreloc = bfd_get_section_by_name (dynobj, name);
2129 if (sreloc == NULL)
2130 {
2131 sreloc = bfd_make_section (dynobj, name);
2132 if (sreloc == NULL
2133 || ! bfd_set_section_flags (dynobj, sreloc,
2134 (SEC_ALLOC
2135 | SEC_LOAD
2136 | SEC_HAS_CONTENTS
2137 | SEC_IN_MEMORY
ff12f303 2138 | SEC_LINKER_CREATED
08556813
MM		 2139 | SEC_READONLY))
2140 || ! bfd_set_section_alignment (dynobj, sreloc, 2))
e25a7988
MM		 2141 {
2142 ret = false;
2143 break;
2144 }
08556813
MM		 2145 }
2146 }
2147
2148 sreloc->_raw_size += sizeof (Elf32_External_Rela);
2149 }
2150
2151 break;
08556813
MM		 2152 }
2153 }
2154
e25a7988 2155 return ret;
08556813
MM		 2156}
2157
9d621c7d
MM		 2158\f
2159/* Hook called by the linker routine which adds symbols from an object
2160 file. We use it to put .comm items in .sbss, and not .bss. */
2161
2162/*ARGSUSED*/
2163static boolean
2164ppc_elf_add_symbol_hook (abfd, info, sym, namep, flagsp, secp, valp)
2165 bfd *abfd;
2166 struct bfd_link_info *info;
2167 const Elf_Internal_Sym *sym;
2168 const char **namep;
2169 flagword *flagsp;
2170 asection **secp;
2171 bfd_vma *valp;
2172{
0293d5b0 2173 if (sym->st_shndx == SHN_COMMON && !info->relocateable && sym->st_size <= bfd_get_gp_size (abfd))
9d621c7d 2174 {
eb82bc60 2175 /* Common symbols less than or equal to -G nn bytes are automatically
9d621c7d 2176 put into .sdata. */
3f7ca26b 2177 elf_linker_section_t *sdata = ppc_elf_create_linker_section (abfd, info, LINKER_SECTION_SDATA);
9d621c7d 2178 if (!sdata->bss_section)
3f7ca26b 2179 {
e7bab9df
MM		 2180 /* We don't go through bfd_make_section, because we don't
2181 want to attach this common section to DYNOBJ. The linker
2182 will move the symbols to the appropriate output section
2183 when it defines common symbols. */
2184 sdata->bss_section = ((asection *)
2185 bfd_zalloc (abfd, sizeof (asection)));
2186 if (sdata->bss_section == NULL)
2187 return false;
2188 sdata->bss_section->name = sdata->bss_name;
2189 sdata->bss_section->flags = SEC_IS_COMMON;
2190 sdata->bss_section->output_section = sdata->bss_section;
2191 sdata->bss_section->symbol =
2192 (asymbol *) bfd_zalloc (abfd, sizeof (asymbol));
2193 sdata->bss_section->symbol_ptr_ptr =
2194 (asymbol **) bfd_zalloc (abfd, sizeof (asymbol *));
2195 if (sdata->bss_section->symbol == NULL
2196 || sdata->bss_section->symbol_ptr_ptr == NULL)
2197 return false;
2198 sdata->bss_section->symbol->name = sdata->bss_name;
2199 sdata->bss_section->symbol->flags = BSF_SECTION_SYM;
2200 sdata->bss_section->symbol->section = sdata->bss_section;
2201 *sdata->bss_section->symbol_ptr_ptr = sdata->bss_section->symbol;
3f7ca26b
MM		 2202 }
2203
9d621c7d 2204 *secp = sdata->bss_section;
9d621c7d
MM		 2205 *valp = sym->st_size;
2206 }
2207
2208 return true;
2209}
2210
08556813
MM		 2211\f
2212/* Finish up dynamic symbol handling. We set the contents of various
2213 dynamic sections here. */
2214
2215static boolean
2216ppc_elf_finish_dynamic_symbol (output_bfd, info, h, sym)
2217 bfd *output_bfd;
2218 struct bfd_link_info *info;
2219 struct elf_link_hash_entry *h;
2220 Elf_Internal_Sym *sym;
2221{
2222 bfd *dynobj;
2223
2224#ifdef DEBUG
3f7ca26b 2225 fprintf (stderr, "ppc_elf_finish_dynamic_symbol called for %s", h->root.root.string);
08556813
MM		 2226#endif
2227
2228 dynobj = elf_hash_table (info)->dynobj;
3b3753b8 2229 BFD_ASSERT (dynobj != NULL);
08556813
MM		 2230
2231 if (h->plt_offset != (bfd_vma) -1)
2232 {
2233 asection *splt;
2234 asection *srela;
2235 Elf_Internal_Rela rela;
2236
3f7ca26b
MM		 2237#ifdef DEBUG
2238 fprintf (stderr, ", plt_offset = %d", h->plt_offset);
2239#endif
2240
08556813
MM		 2241 /* This symbol has an entry in the procedure linkage table. Set
2242 it up. */
2243
2244 BFD_ASSERT (h->dynindx != -1);
2245
2246 splt = bfd_get_section_by_name (dynobj, ".plt");
2247 srela = bfd_get_section_by_name (dynobj, ".rela.plt");
2248 BFD_ASSERT (splt != NULL && srela != NULL);
2249
b6eb341b
ILT		 2250 /* We don't need to fill in the .plt. The ppc dynamic linker
2251 will fill it in. */
08556813
MM		 2252
2253 /* Fill in the entry in the .rela.plt section. */
2254 rela.r_offset = (splt->output_section->vma
2255 + splt->output_offset
2256 + h->plt_offset);
3f7ca26b 2257 rela.r_info = ELF32_R_INFO (h->dynindx, R_PPC_JMP_SLOT);
08556813
MM		 2258 rela.r_addend = 0;
2259 bfd_elf32_swap_reloca_out (output_bfd, &rela,
2260 ((Elf32_External_Rela *) srela->contents
3f7ca26b 2261 + ((h->plt_offset - PLT_INITIAL_ENTRY_SIZE) / 8)));
08556813
MM		 2262
2263 if ((h->elf_link_hash_flags & ELF_LINK_HASH_DEF_REGULAR) == 0)
2264 {
2265 /* Mark the symbol as undefined, rather than as defined in
2266 the .plt section. Leave the value alone. */
2267 sym->st_shndx = SHN_UNDEF;
2268 }
2269 }
2270
b6eb341b
ILT		 2271 if (h->got_offset != (bfd_vma) -1)
2272 {
2273 asection *sgot;
2274 asection *srela;
2275 Elf_Internal_Rela rela;
2276
2277 /* This symbol has an entry in the global offset table. Set it
2278 up. */
2279
2280 BFD_ASSERT (h->dynindx != -1);
2281
2282 sgot = bfd_get_section_by_name (dynobj, ".got");
2283 srela = bfd_get_section_by_name (dynobj, ".rela.got");
2284 BFD_ASSERT (sgot != NULL && srela != NULL);
2285
2286 rela.r_offset = (sgot->output_section->vma
2287 + sgot->output_offset
2288 + (h->got_offset &~ 1));
2289
2290 /* If this is a -Bsymbolic link, and the symbol is defined
2291 locally, we just want to emit a RELATIVE reloc. The entry in
2292 the global offset table will already have been initialized in
2293 the relocate_section function. */
2294 if (info->shared
2295 && info->symbolic
2296 && (h->elf_link_hash_flags & ELF_LINK_HASH_DEF_REGULAR))
2297 rela.r_info = ELF32_R_INFO (0, R_PPC_RELATIVE);
2298 else
2299 {
2300 bfd_put_32 (output_bfd, (bfd_vma) 0, sgot->contents + h->got_offset);
2301 rela.r_info = ELF32_R_INFO (h->dynindx, R_PPC_GLOB_DAT);
2302 }
2303
2304 rela.r_addend = 0;
2305 bfd_elf32_swap_reloca_out (output_bfd, &rela,
2306 ((Elf32_External_Rela *) srela->contents
2307 + srela->reloc_count));
2308 ++srela->reloc_count;
2309 }
2310
08556813
MM		 2311 if ((h->elf_link_hash_flags & ELF_LINK_HASH_NEEDS_COPY) != 0)
2312 {
2313 asection *s;
2314 Elf_Internal_Rela rela;
2315
2316 /* This symbols needs a copy reloc. Set it up. */
2317
3f7ca26b
MM		 2318#ifdef DEBUG
2319 fprintf (stderr, ", copy");
2320#endif
2321
08556813
MM		 2322 BFD_ASSERT (h->dynindx != -1);
2323
2324 s = bfd_get_section_by_name (h->root.u.def.section->owner,
2325 ".rela.bss");
2326 BFD_ASSERT (s != NULL);
2327
2328 rela.r_offset = (h->root.u.def.value
2329 + h->root.u.def.section->output_section->vma
2330 + h->root.u.def.section->output_offset);
2331 rela.r_info = ELF32_R_INFO (h->dynindx, R_PPC_COPY);
2332 rela.r_addend = 0;
2333 bfd_elf32_swap_reloca_out (output_bfd, &rela,
2334 ((Elf32_External_Rela *) s->contents
2335 + s->reloc_count));
2336 ++s->reloc_count;
2337 }
2338
3f7ca26b
MM		 2339#ifdef DEBUG
2340 fprintf (stderr, "\n");
2341#endif
2342
08556813
MM		 2343 /* Mark some specially defined symbols as absolute. */
2344 if (strcmp (h->root.root.string, "_DYNAMIC") == 0
2345 || strcmp (h->root.root.string, "_GLOBAL_OFFSET_TABLE_") == 0
2346 || strcmp (h->root.root.string, "_PROCEDURE_LINKAGE_TABLE_") == 0)
2347 sym->st_shndx = SHN_ABS;
2348
2349 return true;
2350}
2351
2352\f
2353/* Finish up the dynamic sections. */
2354
2355static boolean
2356ppc_elf_finish_dynamic_sections (output_bfd, info)
2357 bfd *output_bfd;
2358 struct bfd_link_info *info;
2359{
08556813 2360 asection *sdyn;
3b3753b8 2361 bfd *dynobj = elf_hash_table (info)->dynobj;
b6eb341b 2362 asection *sgot = bfd_get_section_by_name (dynobj, ".got");
08556813
MM		 2363
2364#ifdef DEBUG
2365 fprintf (stderr, "ppc_elf_finish_dynamic_sections called\n");
2366#endif
2367
08556813
MM		 2368 sdyn = bfd_get_section_by_name (dynobj, ".dynamic");
2369
2370 if (elf_hash_table (info)->dynamic_sections_created)
2371 {
2372 asection *splt;
2373 Elf32_External_Dyn *dyncon, *dynconend;
2374
2375 splt = bfd_get_section_by_name (dynobj, ".plt");
2376 BFD_ASSERT (splt != NULL && sdyn != NULL);
2377
2378 dyncon = (Elf32_External_Dyn *) sdyn->contents;
2379 dynconend = (Elf32_External_Dyn *) (sdyn->contents + sdyn->_raw_size);
2380 for (; dyncon < dynconend; dyncon++)
2381 {
2382 Elf_Internal_Dyn dyn;
2383 const char *name;
2384 boolean size;
2385
2386 bfd_elf32_swap_dyn_in (dynobj, dyncon, &dyn);
2387
2388 switch (dyn.d_tag)
2389 {
3f7ca26b
MM		 2390 case DT_PLTGOT: name = ".plt"; size = false; break;
2391 case DT_PLTRELSZ: name = ".rela.plt"; size = true; break;
08556813 2392 case DT_JMPREL: name = ".rela.plt"; size = false; break;
3f7ca26b 2393 default: name = NULL; size = false; break;
08556813
MM		 2394 }
2395
2396 if (name != NULL)
2397 {
2398 asection *s;
2399
2400 s = bfd_get_section_by_name (output_bfd, name);
2401 if (s == NULL)
2402 dyn.d_un.d_val = 0;
2403 else
2404 {
2405 if (! size)
2406 dyn.d_un.d_ptr = s->vma;
2407 else
2408 {
2409 if (s->_cooked_size != 0)
2410 dyn.d_un.d_val = s->_cooked_size;
2411 else
2412 dyn.d_un.d_val = s->_raw_size;
2413 }
2414 }
2415 bfd_elf32_swap_dyn_out (output_bfd, &dyn, dyncon);
2416 }
2417 }
08556813
MM		 2418 }
2419
3b3753b8
MM		 2420 /* Add a blrl instruction at _GLOBAL_OFFSET_TABLE_-4 so that a function can
2421 easily find the address of the _GLOBAL_OFFSET_TABLE_. */
b6eb341b 2422 if (sgot)
08556813 2423 {
b6eb341b 2424 unsigned char *contents = sgot->contents;
3b3753b8
MM		 2425 bfd_put_32 (output_bfd, 0x4e800021 /* blrl */, contents);
2426
08556813 2427 if (sdyn == NULL)
3b3753b8 2428 bfd_put_32 (output_bfd, (bfd_vma) 0, contents+4);
08556813
MM		 2429 else
2430 bfd_put_32 (output_bfd,
2431 sdyn->output_section->vma + sdyn->output_offset,
3b3753b8 2432 contents+4);
08556813 2433
b6eb341b 2434 elf_section_data (sgot->output_section)->this_hdr.sh_entsize = 4;
3b3753b8 2435 }
08556813
MM		 2436
2437 if (info->shared)
2438 {
2439 asection *sdynsym;
2440 asection *s;
2441 Elf_Internal_Sym sym;
b6eb341b 2442 int maxdindx = 0;
08556813
MM		 2443
2444 /* Set up the section symbols for the output sections. */
2445
2446 sdynsym = bfd_get_section_by_name (dynobj, ".dynsym");
2447 BFD_ASSERT (sdynsym != NULL);
2448
2449 sym.st_size = 0;
2450 sym.st_name = 0;
2451 sym.st_info = ELF_ST_INFO (STB_LOCAL, STT_SECTION);
2452 sym.st_other = 0;
2453
2454 for (s = output_bfd->sections; s != NULL; s = s->next)
2455 {
b6eb341b 2456 int indx, dindx;
08556813
MM		 2457
2458 sym.st_value = s->vma;
2459
2460 indx = elf_section_data (s)->this_idx;
b6eb341b
ILT		 2461 dindx = elf_section_data (s)->dynindx;
2462 if (dindx != -1)
2463 {
2464 BFD_ASSERT(indx > 0);
2465 BFD_ASSERT(dindx > 0);
2466
2467 if (dindx > maxdindx)
2468 maxdindx = dindx;
2469
2470 sym.st_shndx = indx;
2471
2472 bfd_elf32_swap_symbol_out (output_bfd, &sym,
2473 (PTR) (((Elf32_External_Sym *)
2474 sdynsym->contents)
2475 + dindx));
2476 }
08556813
MM		 2477 }
2478
2479 /* Set the sh_info field of the output .dynsym section to the
2480 index of the first global symbol. */
2481 elf_section_data (sdynsym->output_section)->this_hdr.sh_info =
b6eb341b 2482 maxdindx + 1;
08556813
MM		 2483 }
2484
2485 return true;
2486}
2487
ede4eed4
KR		 2488\f
2489/* The RELOCATE_SECTION function is called by the ELF backend linker
2490 to handle the relocations for a section.
bcbe2c71 2491
ede4eed4
KR		 2492 The relocs are always passed as Rela structures; if the section
2493 actually uses Rel structures, the r_addend field will always be
2494 zero.
bcbe2c71 2495
ede4eed4
KR		 2496 This function is responsible for adjust the section contents as
2497 necessary, and (if using Rela relocs and generating a
2498 relocateable output file) adjusting the reloc addend as
2499 necessary.
bcbe2c71 2500
ede4eed4
KR		 2501 This function does not have to worry about setting the reloc
2502 address or the reloc symbol index.
2503
2504 LOCAL_SYMS is a pointer to the swapped in local symbols.
2505
2506 LOCAL_SECTIONS is an array giving the section in the input file
2507 corresponding to the st_shndx field of each local symbol.
2508
2509 The global hash table entry for the global symbols can be found
2510 via elf_sym_hashes (input_bfd).
2511
2512 When generating relocateable output, this function must handle
2513 STB_LOCAL/STT_SECTION symbols specially. The output symbol is
2514 going to be the section symbol corresponding to the output
2515 section, which means that the addend must be adjusted
2516 accordingly. */
2517
2518static boolean
2519ppc_elf_relocate_section (output_bfd, info, input_bfd, input_section,
2520 contents, relocs, local_syms, local_sections)
2521 bfd *output_bfd;
2522 struct bfd_link_info *info;
2523 bfd *input_bfd;
2524 asection *input_section;
2525 bfd_byte *contents;
2526 Elf_Internal_Rela *relocs;
2527 Elf_Internal_Sym *local_syms;
2528 asection **local_sections;
bcbe2c71 2529{
08556813 2530 Elf_Internal_Shdr *symtab_hdr = &elf_tdata (input_bfd)->symtab_hdr;
ede4eed4 2531 struct elf_link_hash_entry **sym_hashes = elf_sym_hashes (input_bfd);
08556813 2532 bfd *dynobj = elf_hash_table (info)->dynobj;
3f7ca26b
MM		 2533 elf_linker_section_t *sdata = (dynobj) ? elf_linker_section (dynobj, LINKER_SECTION_SDATA) : NULL;
2534 elf_linker_section_t *sdata2 = (dynobj) ? elf_linker_section (dynobj, LINKER_SECTION_SDATA2) : NULL;
07a159db
MM		 2535 Elf_Internal_Rela *rel = relocs;
2536 Elf_Internal_Rela *relend = relocs + input_section->reloc_count;
e7bab9df 2537 asection *sreloc = NULL;
b6eb341b
ILT		 2538 asection *splt = NULL;
2539 asection *sgot = NULL;
2540 bfd_vma *local_got_offsets;
07a159db 2541 boolean ret = true;
08556813 2542 long insn;
ede4eed4
KR		 2543
2544#ifdef DEBUG
2545 fprintf (stderr, "ppc_elf_relocate_section called for %s section %s, %ld relocations%s\n",
2546 bfd_get_filename (input_bfd),
2547 bfd_section_name(input_bfd, input_section),
2548 (long)input_section->reloc_count,
2549 (info->relocateable) ? " (relocatable)" : "");
2550#endif
2551
2552 if (!ppc_elf_howto_table[ R_PPC_ADDR32 ]) /* Initialize howto table if needed */
2553 ppc_elf_howto_init ();
bcbe2c71 2554
b6eb341b
ILT		 2555 local_got_offsets = elf_local_got_offsets (input_bfd);
2556
ede4eed4 2557 for (; rel < relend; rel++)
bcbe2c71 2558 {
07a159db
MM		 2559 enum ppc_reloc_type r_type = (enum ppc_reloc_type)ELF32_R_TYPE (rel->r_info);
2560 bfd_vma offset = rel->r_offset;
2561 bfd_vma addend = rel->r_addend;
2562 bfd_reloc_status_type r = bfd_reloc_other;
2563 Elf_Internal_Sym *sym = (Elf_Internal_Sym *)0;
2564 asection *sec = (asection *)0;
2565 struct elf_link_hash_entry *h = (struct elf_link_hash_entry *)0;
c1e65e24 2566 const char *sym_name = (const char *)0;
ede4eed4
KR		 2567 reloc_howto_type *howto;
2568 unsigned long r_symndx;
2569 bfd_vma relocation;
2570
2571 /* Unknown relocation handling */
2572 if ((unsigned)r_type >= (unsigned)R_PPC_max || !ppc_elf_howto_table[(int)r_type])
2573 {
1c3a295b
MM		 2574 (*_bfd_error_handler) ("%s: unknown relocation type %d",
2575 bfd_get_filename (input_bfd),
2576 (int)r_type);
ede4eed4
KR		 2577
2578 bfd_set_error (bfd_error_bad_value);
2579 ret = false;
2580 continue;
2581 }
2582
2583 howto = ppc_elf_howto_table[(int)r_type];
2584 r_symndx = ELF32_R_SYM (rel->r_info);
2585
2586 if (info->relocateable)
2587 {
2588 /* This is a relocateable link. We don't have to change
2589 anything, unless the reloc is against a section symbol,
2590 in which case we have to adjust according to where the
2591 section symbol winds up in the output section. */
2592 if (r_symndx < symtab_hdr->sh_info)
2593 {
2594 sym = local_syms + r_symndx;
2595 if ((unsigned)ELF_ST_TYPE (sym->st_info) == STT_SECTION)
2596 {
2597 sec = local_sections[r_symndx];
2598 addend = rel->r_addend += sec->output_offset + sym->st_value;
2599 }
2600 }
2601
2602#ifdef DEBUG
2603 fprintf (stderr, "\ttype = %s (%d), symbol index = %ld, offset = %ld, addend = %ld\n",
2604 howto->name,
2605 (int)r_type,
2606 r_symndx,
2607 (long)offset,
2608 (long)addend);
2609#endif
2610 continue;
2611 }
2612
2613 /* This is a final link. */
ede4eed4
KR		 2614 if (r_symndx < symtab_hdr->sh_info)
2615 {
2616 sym = local_syms + r_symndx;
2617 sec = local_sections[r_symndx];
c1e65e24
MM		 2618 sym_name = "<local symbol>";
2619
ede4eed4
KR		 2620 relocation = (sec->output_section->vma
2621 + sec->output_offset
2622 + sym->st_value);
2623 }
2624 else
2625 {
2626 h = sym_hashes[r_symndx - symtab_hdr->sh_info];
cf5138e3
ILT		 2627 while (h->root.type == bfd_link_hash_indirect
2628 || h->root.type == bfd_link_hash_warning)
2629 h = (struct elf_link_hash_entry *) h->root.u.i.link;
c1e65e24 2630 sym_name = h->root.root.string;
ede4eed4
KR		 2631 if (h->root.type == bfd_link_hash_defined
2632 || h->root.type == bfd_link_hash_defweak)
2633 {
2634 sec = h->root.u.def.section;
e7bab9df
MM		 2635 if ((r_type == R_PPC_PLT32
2636 && h->plt_offset != (bfd_vma) -1)
2637 || ((r_type == R_PPC_GOT16
2638 || r_type == R_PPC_GOT16_LO
2639 || r_type == R_PPC_GOT16_HI
2640 || r_type == R_PPC_GOT16_HA)
2641 && elf_hash_table (info)->dynamic_sections_created
2642 && (! info->shared
2643 || ! info->symbolic
2644 || (h->elf_link_hash_flags
2645 & ELF_LINK_HASH_DEF_REGULAR) == 0))
2646 || (info->shared
2647 && (! info->symbolic
2648 || (h->elf_link_hash_flags
2649 & ELF_LINK_HASH_DEF_REGULAR) == 0)
2650 && (input_section->flags & SEC_ALLOC) != 0
2651 && (r_type == R_PPC_ADDR32
2652 || r_type == R_PPC_ADDR24
2653 || r_type == R_PPC_ADDR16
2654 || r_type == R_PPC_ADDR16_LO
2655 || r_type == R_PPC_ADDR16_HI
2656 || r_type == R_PPC_ADDR16_HA
2657 || r_type == R_PPC_ADDR14
2658 || r_type == R_PPC_ADDR14_BRTAKEN
2659 || r_type == R_PPC_ADDR14_BRNTAKEN
2660 || r_type == R_PPC_PLTREL24
2661 || r_type == R_PPC_COPY
2662 || r_type == R_PPC_GLOB_DAT
2663 || r_type == R_PPC_JMP_SLOT
2664 || r_type == R_PPC_UADDR32
2665 || r_type == R_PPC_UADDR16
2666 || r_type == R_PPC_REL32
2667 || r_type == R_PPC_SDAREL16
2668 || r_type == R_PPC_EMB_NADDR32
2669 || r_type == R_PPC_EMB_NADDR16
2670 || r_type == R_PPC_EMB_NADDR16_LO
2671 || r_type == R_PPC_EMB_NADDR16_HI
2672 || r_type == R_PPC_EMB_NADDR16_HA
2673 || r_type == R_PPC_EMB_SDAI16
2674 || r_type == R_PPC_EMB_SDA2I16
2675 || r_type == R_PPC_EMB_SDA2REL
2676 || r_type == R_PPC_EMB_SDA21
2677 || r_type == R_PPC_EMB_MRKREF
2678 || r_type == R_PPC_EMB_BIT_FLD
2679 || r_type == R_PPC_EMB_RELSDA
2680 || ((r_type == R_PPC_REL24
2681 || r_type == R_PPC_REL14
2682 || r_type == R_PPC_REL14_BRTAKEN
2683 || r_type == R_PPC_REL14_BRNTAKEN
2684 || r_type == R_PPC_RELATIVE)
2685 && strcmp (h->root.root.string,
2686 "_GLOBAL_OFFSET_TABLE_") != 0))))
3f7ca26b 2687 {
e7bab9df
MM		 2688 /* In these cases, we don't need the relocation
2689 value. We check specially because in some
2690 obscure cases sec->output_section will be NULL. */
3f7ca26b
MM		 2691 relocation = 0;
2692 }
2693 else
2694 relocation = (h->root.u.def.value
2695 + sec->output_section->vma
2696 + sec->output_offset);
ede4eed4
KR		 2697 }
2698 else if (h->root.type == bfd_link_hash_undefweak)
2699 relocation = 0;
2700 else if (info->shared)
2701 relocation = 0;
2702 else
2703 {
2704 (*info->callbacks->undefined_symbol)(info,
2705 h->root.root.string,
2706 input_bfd,
2707 input_section,
2708 rel->r_offset);
2709 ret = false;
2710 continue;
2711 }
2712 }
2713
2714 switch ((int)r_type)
2715 {
2716 default:
c1e65e24 2717 (*_bfd_error_handler) ("%s: unknown relocation type %d for symbol %s",
1c3a295b 2718 bfd_get_filename (input_bfd),
c1e65e24 2719 (int)r_type, sym_name);
1c3a295b
MM		 2720
2721 bfd_set_error (bfd_error_bad_value);
2722 ret = false;
2723 continue;
2724
3b3753b8 2725 /* relocations that need no special processing */
e7bab9df
MM		 2726 case (int)R_PPC_LOCAL24PC:
2727 break;
2728
2729 case (int)R_PPC_REL24:
2730 case (int)R_PPC_REL14:
b6eb341b
ILT		 2731 if (h == NULL
2732 || strcmp (h->root.root.string, "_GLOBAL_OFFSET_TABLE_") == 0)
e7bab9df
MM		 2733 break;
2734 /* fall through */
2735
b6eb341b
ILT		 2736 /* Relocations that need to be propagated if this is a shared
2737 object. */
3b3753b8
MM		 2738 case (int)R_PPC_NONE:
2739 case (int)R_PPC_ADDR32:
2740 case (int)R_PPC_ADDR24:
2741 case (int)R_PPC_ADDR16:
2742 case (int)R_PPC_ADDR16_LO:
2743 case (int)R_PPC_ADDR16_HI:
b6eb341b 2744 case (int)R_PPC_ADDR16_HA:
3b3753b8 2745 case (int)R_PPC_ADDR14:
3b3753b8
MM		 2746 case (int)R_PPC_UADDR32:
2747 case (int)R_PPC_UADDR16:
2748 case (int)R_PPC_REL32:
b6eb341b 2749 if (info->shared)
e7bab9df
MM		 2750 {
2751 Elf_Internal_Rela outrel;
6717fb0d 2752 boolean skip;
e7bab9df
MM		 2753
2754#ifdef DEBUG
2755 fprintf (stderr, "ppc_elf_relocate_section need to create relocation for %s\n",
2756 (h && h->root.root.string) ? h->root.root.string : "<unknown>");
2757#endif
2758
2759 /* When generating a shared object, these relocations
2760 are copied into the output file to be resolved at run
2761 time. */
2762
2763 if (sreloc == NULL)
2764 {
2765 const char *name;
2766
2767 name = (bfd_elf_string_from_elf_section
2768 (input_bfd,
2769 elf_elfheader (input_bfd)->e_shstrndx,
2770 elf_section_data (input_section)->rel_hdr.sh_name));
2771 if (name == NULL)
2772 return false;
2773
2774 BFD_ASSERT (strncmp (name, ".rela", 5) == 0
2775 && strcmp (bfd_get_section_name (input_bfd,
2776 input_section),
2777 name + 5) == 0);
2778
2779 sreloc = bfd_get_section_by_name (dynobj, name);
2780 BFD_ASSERT (sreloc != NULL);
2781 }
2782
6717fb0d
ILT		 2783 skip = false;
2784
2785 if (elf_section_data (input_section)->stab_info == NULL)
2786 outrel.r_offset = rel->r_offset;
2787 else
2788 {
2789 bfd_vma off;
2790
2791 off = (_bfd_stab_section_offset
2792 (output_bfd, &elf_hash_table (info)->stab_info,
2793 input_section,
2794 &elf_section_data (input_section)->stab_info,
2795 rel->r_offset));
2796 if (off == (bfd_vma) -1)
2797 skip = true;
2798 outrel.r_offset = off;
2799 }
2800
2801 outrel.r_offset += (input_section->output_section->vma
2802 + input_section->output_offset);
2803
2804 if (skip)
2805 memset (&outrel, 0, sizeof outrel);
2806 /* h->dynindx may be -1 if this symbol was marked to
2807 become local. */
2808 else if (h != NULL
2809 && ((! info->symbolic && h->dynindx != -1)
2810 || (h->elf_link_hash_flags
2811 & ELF_LINK_HASH_DEF_REGULAR) == 0))
e7bab9df
MM		 2812 {
2813 BFD_ASSERT (h->dynindx != -1);
2814 outrel.r_info = ELF32_R_INFO (h->dynindx, r_type);
2815 outrel.r_addend = rel->r_addend;
2816 }
2817 else
2818 {
2819 if (r_type == R_PPC_ADDR32)
2820 {
2821 outrel.r_info = ELF32_R_INFO (0, R_PPC_RELATIVE);
2822 outrel.r_addend = relocation + rel->r_addend;
2823 }
2824 else
2825 {
2826 long indx;
2827
2828 if (h == NULL)
2829 sec = local_sections[r_symndx];
2830 else
2831 {
2832 BFD_ASSERT (h->root.type == bfd_link_hash_defined
2833 || (h->root.type
2834 == bfd_link_hash_defweak));
2835 sec = h->root.u.def.section;
2836 }
2837 if (sec != NULL && bfd_is_abs_section (sec))
2838 indx = 0;
2839 else if (sec == NULL || sec->owner == NULL)
2840 {
2841 bfd_set_error (bfd_error_bad_value);
2842 return false;
2843 }
2844 else
2845 {
2846 asection *osec;
2847
2848 osec = sec->output_section;
2849 indx = elf_section_data (osec)->dynindx;
b6eb341b 2850 BFD_ASSERT(indx > 0);
e7bab9df
MM		 2851 }
2852
2853 outrel.r_info = ELF32_R_INFO (indx, r_type);
2854 outrel.r_addend = relocation + rel->r_addend;
2855 }
2856 }
2857
2858 bfd_elf32_swap_reloca_out (output_bfd, &outrel,
2859 (((Elf32_External_Rela *)
2860 sreloc->contents)
2861 + sreloc->reloc_count));
2862 ++sreloc->reloc_count;
2863
2864 /* This reloc will be computed at runtime, so there's no
b6eb341b
ILT		 2865 need to do anything now, unless this is a RELATIVE
2866 reloc in an unallocated section. */
2867 if (skip
2868 || (input_section->flags & SEC_ALLOC) != 0
2869 || ELF32_R_TYPE (outrel.r_info) != R_PPC_RELATIVE)
2870 continue;
2871 }
2872
2873 /* Arithmetic adjust relocations that aren't going into a
2874 shared object. */
2875 if (r_type == R_PPC_ADDR16_HA
2876 /* It's just possible that this symbol is a weak symbol
2877 that's not actually defined anywhere. In that case,
2878 'sec' would be NULL, and we should leave the symbol
2879 alone (it will be set to zero elsewhere in the link). */
2880 && sec != NULL)
2881 {
2882 addend += ((relocation + addend) & 0x8000) << 1;
e7bab9df 2883 }
ede4eed4
KR		 2884 break;
2885
3b3753b8
MM		 2886 /* branch taken prediction relocations */
2887 case (int)R_PPC_ADDR14_BRTAKEN:
08556813 2888 case (int)R_PPC_REL14_BRTAKEN:
07a159db
MM		 2889 insn = bfd_get_32 (output_bfd, contents + offset);
2890 if ((relocation - offset) & 0x8000)
2891 insn &= ~BRANCH_PREDICT_BIT;
2892 else
2893 insn |= BRANCH_PREDICT_BIT;
2894 bfd_put_32 (output_bfd, insn, contents + offset);
2895 break;
2896
3b3753b8
MM		 2897 /* branch not taken predicition relocations */
2898 case (int)R_PPC_ADDR14_BRNTAKEN:
08556813 2899 case (int)R_PPC_REL14_BRNTAKEN:
08556813 2900 insn = bfd_get_32 (output_bfd, contents + offset);
07a159db
MM		 2901 if ((relocation - offset) & 0x8000)
2902 insn |= BRANCH_PREDICT_BIT;
2903 else
2904 insn &= ~BRANCH_PREDICT_BIT;
08556813
MM		 2905 bfd_put_32 (output_bfd, insn, contents + offset);
2906 break;
2907
3b3753b8
MM		 2908 /* GOT16 relocations */
2909 case (int)R_PPC_GOT16:
ede4eed4
KR		 2910 case (int)R_PPC_GOT16_LO:
2911 case (int)R_PPC_GOT16_HI:
1c3a295b 2912 case (int)R_PPC_GOT16_HA:
b6eb341b
ILT		 2913 /* Relocation is to the entry for this symbol in the global
2914 offset table. */
2915 if (sgot == NULL)
2916 {
2917 sgot = bfd_get_section_by_name (dynobj, ".got");
2918 BFD_ASSERT (sgot != NULL);
2919 }
2920
2921 if (h != NULL)
2922 {
2923 bfd_vma off;
2924
2925 off = h->got_offset;
2926 BFD_ASSERT (off != (bfd_vma) -1);
2927
2928 if (! elf_hash_table (info)->dynamic_sections_created
2929 || (info->shared
2930 && info->symbolic
2931 && (h->elf_link_hash_flags & ELF_LINK_HASH_DEF_REGULAR)))
2932 {
2933 /* This is actually a static link, or it is a
2934 -Bsymbolic link and the symbol is defined
2935 locally. We must initialize this entry in the
2936 global offset table. Since the offset must
2937 always be a multiple of 4, we use the least
2938 significant bit to record whether we have
2939 initialized it already.
2940
2941 When doing a dynamic link, we create a .rela.got
2942 relocation entry to initialize the value. This
2943 is done in the finish_dynamic_symbol routine. */
2944 if ((off & 1) != 0)
2945 off &= ~1;
2946 else
2947 {
2948 bfd_put_32 (output_bfd, relocation + addend,
2949 sgot->contents + off);
2950 h->got_offset |= 1;
2951 }
2952 }
2953
2954 relocation = sgot->output_offset + off - 4;
2955 addend = 0;
2956 }
2957 else
2958 {
2959 bfd_vma off;
2960
2961 BFD_ASSERT (local_got_offsets != NULL
2962 && local_got_offsets[r_symndx] != (bfd_vma) -1);
2963
2964 off = local_got_offsets[r_symndx];
2965
2966 /* The offset must always be a multiple of 4. We use
2967 the least significant bit to record whether we have
2968 already processed this entry. */
2969 if ((off & 1) != 0)
2970 off &= ~1;
2971 else
2972 {
2973 bfd_put_32 (output_bfd, relocation, sgot->contents + off);
2974
2975 if (info->shared)
2976 {
2977 asection *srelgot;
2978 Elf_Internal_Rela outrel;
2979
2980 /* We need to generate a R_PPC_RELATIVE reloc
2981 for the dynamic linker. */
2982 srelgot = bfd_get_section_by_name (dynobj, ".rela.got");
2983 BFD_ASSERT (srelgot != NULL);
2984
2985 outrel.r_offset = (sgot->output_section->vma
2986 + sgot->output_offset
2987 + off);
2988 outrel.r_info = ELF32_R_INFO (0, R_PPC_RELATIVE);
2989 outrel.r_addend = relocation + addend;
2990 bfd_elf32_swap_reloca_out (output_bfd, &outrel,
2991 (((Elf32_External_Rela *)
2992 srelgot->contents)
2993 + srelgot->reloc_count));
2994 ++srelgot->reloc_count;
2995 }
2996
2997 local_got_offsets[r_symndx] |= 1;
2998 }
2999
3000 relocation = sgot->output_offset + off - 4;
3001 addend = 0;
3002 }
3003
3b3753b8 3004 break;
07a159db 3005
3b3753b8
MM		 3006 /* Indirect .sdata relocation */
3007 case (int)R_PPC_EMB_SDAI16:
3008 BFD_ASSERT (sdata != NULL);
3009 relocation = bfd_elf32_finish_pointer_linker_section (output_bfd, input_bfd, info,
3010 sdata, h, relocation, rel,
3011 R_PPC_RELATIVE);
3012 break;
07a159db 3013
3b3753b8
MM		 3014 /* Indirect .sdata2 relocation */
3015 case (int)R_PPC_EMB_SDA2I16:
3016 BFD_ASSERT (sdata2 != NULL);
3017 relocation = bfd_elf32_finish_pointer_linker_section (output_bfd, input_bfd, info,
3018 sdata2, h, relocation, rel,
3019 R_PPC_RELATIVE);
ede4eed4
KR		 3020 break;
3021
07a159db
MM		 3022 /* Handle the TOC16 reloc. We want to use the offset within the .got
3023 section, not the actual VMA. This is appropriate when generating
3024 an embedded ELF object, for which the .got section acts like the
3025 AIX .toc section. */
08556813
MM		 3026 case (int)R_PPC_TOC16: /* phony GOT16 relocations */
3027 BFD_ASSERT (sec != (asection *)0);
07a159db
MM		 3028 BFD_ASSERT (bfd_is_und_section (sec)
3029 || strcmp (bfd_get_section_name (abfd, sec), ".got") == 0
bd2d10c0 3030 || strcmp (bfd_get_section_name (abfd, sec), ".cgot") == 0)
07a159db 3031
eb82bc60 3032 addend -= sec->output_section->vma + sec->output_offset + 0x8000;
08556813
MM		 3033 break;
3034
b6eb341b
ILT		 3035 case (int)R_PPC_PLTREL24:
3036 /* Relocation is to the entry for this symbol in the
3037 procedure linkage table. */
3038 BFD_ASSERT (h != NULL);
3039
3040 if (h->plt_offset == (bfd_vma) -1)
3041 {
3042 /* We didn't make a PLT entry for this symbol. This
3043 happens when statically linking PIC code, or when
3044 using -Bsymbolic. */
3045 break;
3046 }
1c3a295b 3047
b6eb341b
ILT		 3048 if (splt == NULL)
3049 {
3050 splt = bfd_get_section_by_name (dynobj, ".plt");
3051 BFD_ASSERT (splt != NULL);
3052 }
3053
3054 relocation = (splt->output_section->vma
3055 + splt->output_offset
3056 + h->plt_offset);
3057 break;
3058
3b3753b8
MM		 3059 /* relocate against _SDA_BASE_ */
3060 case (int)R_PPC_SDAREL16:
bd2d10c0
MM		 3061 BFD_ASSERT (sec != (asection *)0);
3062 if (strcmp (bfd_get_section_name (abfd, sec), ".sdata") != 0
3063 && strcmp (bfd_get_section_name (abfd, sec), ".sbss") != 0)
3064 {
c1e65e24 3065 (*_bfd_error_handler) ("%s: The target (%s) of a %s relocation is in the wrong section (%s)",
bd2d10c0 3066 bfd_get_filename (input_bfd),
c1e65e24 3067 sym_name,
3b3753b8 3068 ppc_elf_howto_table[ (int)r_type ]->name,
bd2d10c0
MM		 3069 bfd_get_section_name (abfd, sec));
3070
3071 bfd_set_error (bfd_error_bad_value);
3072 ret = false;
3073 continue;
3074 }
9d621c7d 3075 addend -= (sdata->sym_hash->root.u.def.value
eb82bc60
MM		 3076 + sdata->sym_hash->root.u.def.section->output_section->vma
3077 + sdata->sym_hash->root.u.def.section->output_offset);
3b3753b8 3078 break;
bd2d10c0 3079
05f927dd 3080
3b3753b8
MM		 3081 /* relocate against _SDA2_BASE_ */
3082 case (int)R_PPC_EMB_SDA2REL:
bd2d10c0
MM		 3083 BFD_ASSERT (sec != (asection *)0);
3084 if (strcmp (bfd_get_section_name (abfd, sec), ".sdata2") != 0
3085 && strcmp (bfd_get_section_name (abfd, sec), ".sbss2") != 0)
3086 {
c1e65e24 3087 (*_bfd_error_handler) ("%s: The target (%s) of a %s relocation is in the wrong section (%s)",
bd2d10c0 3088 bfd_get_filename (input_bfd),
c1e65e24 3089 sym_name,
3b3753b8 3090 ppc_elf_howto_table[ (int)r_type ]->name,
bd2d10c0
MM		 3091 bfd_get_section_name (abfd, sec));
3092
3093 bfd_set_error (bfd_error_bad_value);
3094 ret = false;
3095 continue;
3096 }
9d621c7d 3097 addend -= (sdata2->sym_hash->root.u.def.value
eb82bc60
MM		 3098 + sdata2->sym_hash->root.u.def.section->output_section->vma
3099 + sdata2->sym_hash->root.u.def.section->output_offset);
3b3753b8 3100 break;
bd2d10c0
MM		 3101
3102
3b3753b8
MM		 3103 /* relocate against either _SDA_BASE_, _SDA2_BASE_, or 0 */
3104 case (int)R_PPC_EMB_SDA21:
3105 case (int)R_PPC_EMB_RELSDA:
3106 {
3107 const char *name = bfd_get_section_name (abfd, sec);
3108 int reg;
3109
3110 BFD_ASSERT (sec != (asection *)0);
3111 if (strcmp (name, ".sdata") == 0 || strcmp (name, ".sbss") == 0)
3112 {
3113 reg = 13;
9d621c7d 3114 addend -= (sdata->sym_hash->root.u.def.value
eb82bc60
MM		 3115 + sdata->sym_hash->root.u.def.section->output_section->vma
3116 + sdata->sym_hash->root.u.def.section->output_offset);
3b3753b8
MM		 3117 }
3118
3119 else if (strcmp (name, ".sdata2") == 0 || strcmp (name, ".sbss2") == 0)
3120 {
3121 reg = 2;
9d621c7d 3122 addend -= (sdata2->sym_hash->root.u.def.value
eb82bc60
MM		 3123 + sdata2->sym_hash->root.u.def.section->output_section->vma
3124 + sdata2->sym_hash->root.u.def.section->output_offset);
3b3753b8
MM		 3125 }
3126
3127 else if (strcmp (name, ".PPC.EMB.sdata0") == 0 || strcmp (name, ".PPC.EMB.sbss0") == 0)
3128 {
3129 reg = 0;
3130 }
3131
3132 else
3133 {
c1e65e24 3134 (*_bfd_error_handler) ("%s: The target (%s) of a %s relocation is in the wrong section (%s)",
3b3753b8 3135 bfd_get_filename (input_bfd),
c1e65e24 3136 sym_name,
3b3753b8
MM		 3137 ppc_elf_howto_table[ (int)r_type ]->name,
3138 bfd_get_section_name (abfd, sec));
3139
3140 bfd_set_error (bfd_error_bad_value);
3141 ret = false;
3142 continue;
3143 }
d8fd85ad
MM		 3144
3145 if (r_type == R_PPC_EMB_SDA21)
3146 { /* fill in register field */
cf5138e3 3147 insn = bfd_get_32 (output_bfd, contents + offset);
d8fd85ad 3148 insn = (insn & ~RA_REGISTER_MASK) | (reg << RA_REGISTER_SHIFT);
cf5138e3 3149 bfd_put_32 (output_bfd, insn, contents + offset);
d8fd85ad 3150 }
3b3753b8 3151 }
d8fd85ad 3152 break;
3b3753b8 3153
eb82bc60
MM		 3154 /* Relocate against the beginning of the section */
3155 case (int)R_PPC_SECTOFF:
3156 case (int)R_PPC_SECTOFF_LO:
3157 case (int)R_PPC_SECTOFF_HI:
3158 BFD_ASSERT (sec != (asection *)0);
3159 addend -= sec->output_section->vma;
3160 break;
3161
3162 case (int)R_PPC_SECTOFF_HA:
3163 BFD_ASSERT (sec != (asection *)0);
3164 addend -= sec->output_section->vma;
3165 addend += ((relocation + addend) & 0x8000) << 1;
3166 break;
3167
3168 /* Negative relocations */
3169 case (int)R_PPC_EMB_NADDR32:
3170 case (int)R_PPC_EMB_NADDR16:
3171 case (int)R_PPC_EMB_NADDR16_LO:
3172 case (int)R_PPC_EMB_NADDR16_HI:
3173 addend -= 2*relocation;
3174 break;
3175
3176 case (int)R_PPC_EMB_NADDR16_HA:
3177 addend -= 2*relocation;
3178 addend += ((relocation + addend) & 0x8000) << 1;
3179 break;
3180
3181 /* NOP relocation that prevents garbage collecting linkers from omitting a
3182 reference. */
3183 case (int)R_PPC_EMB_MRKREF:
3184 continue;
3185
3b3753b8
MM		 3186 case (int)R_PPC_COPY:
3187 case (int)R_PPC_GLOB_DAT:
3188 case (int)R_PPC_JMP_SLOT:
3189 case (int)R_PPC_RELATIVE:
3b3753b8
MM		 3190 case (int)R_PPC_PLT32:
3191 case (int)R_PPC_PLTREL32:
3192 case (int)R_PPC_PLT16_LO:
3193 case (int)R_PPC_PLT16_HI:
3194 case (int)R_PPC_PLT16_HA:
3b3753b8
MM		 3195 case (int)R_PPC_EMB_RELSEC16:
3196 case (int)R_PPC_EMB_RELST_LO:
3197 case (int)R_PPC_EMB_RELST_HI:
3198 case (int)R_PPC_EMB_RELST_HA:
3199 case (int)R_PPC_EMB_BIT_FLD:
c1e65e24 3200 (*_bfd_error_handler) ("%s: Relocation %s is not yet supported for symbol %s.",
1c3a295b 3201 bfd_get_filename (input_bfd),
c1e65e24
MM		 3202 ppc_elf_howto_table[ (int)r_type ]->name,
3203 sym_name);
1c3a295b 3204
3b3753b8 3205 bfd_set_error (bfd_error_invalid_operation);
1c3a295b
MM		 3206 ret = false;
3207 continue;
ede4eed4
KR		 3208 }
3209
3210
3211#ifdef DEBUG
c1e65e24 3212 fprintf (stderr, "\ttype = %s (%d), name = %s, symbol index = %ld, offset = %ld, addend = %ld\n",
ede4eed4
KR		 3213 howto->name,
3214 (int)r_type,
c1e65e24 3215 sym_name,
ede4eed4
KR		 3216 r_symndx,
3217 (long)offset,
3218 (long)addend);
3219#endif
3220
3221 r = _bfd_final_link_relocate (howto,
3222 input_bfd,
3223 input_section,
3224 contents,
3225 offset,
3226 relocation,
3227 addend);
3228
3229 if (r != bfd_reloc_ok)
3230 {
3231 ret = false;
3232 switch (r)
3233 {
3234 default:
3235 break;
3236
3237 case bfd_reloc_overflow:
3238 {
3239 const char *name;
3240
3241 if (h != NULL)
3242 name = h->root.root.string;
3243 else
3244 {
3245 name = bfd_elf_string_from_elf_section (input_bfd,
3246 symtab_hdr->sh_link,
3247 sym->st_name);
3248 if (name == NULL)
3249 break;
3250
3251 if (*name == '\0')
3252 name = bfd_section_name (input_bfd, sec);
3253 }
3254
3255 (*info->callbacks->reloc_overflow)(info,
3256 name,
3257 howto->name,
3258 (bfd_vma) 0,
3259 input_bfd,
3260 input_section,
3261 offset);
3262 }
3263 break;
3264
3265 }
3266 }
bcbe2c71
MM		 3267 }
3268
bcbe2c71 3269
ede4eed4
KR		 3270#ifdef DEBUG
3271 fprintf (stderr, "\n");
3272#endif
bcbe2c71 3273
ede4eed4 3274 return ret;
bcbe2c71
MM		 3275}
3276
57081126 3277\f
ede4eed4
KR		 3278#define TARGET_LITTLE_SYM bfd_elf32_powerpcle_vec
3279#define TARGET_LITTLE_NAME "elf32-powerpcle"
bcbe2c71
MM		 3280#define TARGET_BIG_SYM bfd_elf32_powerpc_vec
3281#define TARGET_BIG_NAME "elf32-powerpc"
3282#define ELF_ARCH bfd_arch_powerpc
3283#define ELF_MACHINE_CODE EM_PPC
3284#define ELF_MAXPAGESIZE 0x10000
ede4eed4 3285#define elf_info_to_howto ppc_elf_info_to_howto
bcbe2c71
MM		 3286
3287#ifdef EM_CYGNUS_POWERPC
3288#define ELF_MACHINE_ALT1 EM_CYGNUS_POWERPC
3289#endif
3290
3291#ifdef EM_PPC_OLD
3292#define ELF_MACHINE_ALT2 EM_PPC_OLD
3293#endif
3294
b6eb341b
ILT		 3295#define elf_backend_plt_not_loaded 1
3296#define elf_backend_got_symbol_offset 4
3297
ede4eed4
KR		 3298#define bfd_elf32_bfd_copy_private_bfd_data ppc_elf_copy_private_bfd_data
3299#define bfd_elf32_bfd_merge_private_bfd_data ppc_elf_merge_private_bfd_data
3300#define bfd_elf32_bfd_set_private_flags ppc_elf_set_private_flags
3301#define bfd_elf32_bfd_reloc_type_lookup ppc_elf_reloc_type_lookup
83f4323e 3302#define elf_backend_section_from_shdr ppc_elf_section_from_shdr
ede4eed4 3303#define elf_backend_relocate_section ppc_elf_relocate_section
08556813
MM		 3304#define elf_backend_create_dynamic_sections _bfd_elf_create_dynamic_sections
3305#define elf_backend_check_relocs ppc_elf_check_relocs
3306#define elf_backend_adjust_dynamic_symbol ppc_elf_adjust_dynamic_symbol
9d621c7d 3307#define elf_backend_add_symbol_hook ppc_elf_add_symbol_hook
08556813
MM		 3308#define elf_backend_size_dynamic_sections ppc_elf_size_dynamic_sections
3309#define elf_backend_finish_dynamic_symbol ppc_elf_finish_dynamic_symbol
3310#define elf_backend_finish_dynamic_sections ppc_elf_finish_dynamic_sections
57081126 3311#define elf_backend_fake_sections ppc_elf_fake_sections
3f7ca26b
MM		 3312#define elf_backend_additional_program_headers ppc_elf_additional_program_headers
3313#define elf_backend_modify_segment_map ppc_elf_modify_segment_map
ede4eed4 3314
bcbe2c71 3315#include "elf32-target.h"
Empty description
This page took 0.688073 seconds and 4 git commands to generate.