Commit | Line | Data |
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252b5132 | 1 | /* PowerPC-specific support for 32-bit ELF |
86bbe32f | 2 | Copyright 1994, 1995, 1996, 1997, 1998, 1999, 2000, 2001, 2002, 2003 |
7898deda | 3 | Free Software Foundation, Inc. |
252b5132 RH |
4 | Written by Ian Lance Taylor, Cygnus Support. |
5 | ||
ae9a127f | 6 | This file is part of BFD, the Binary File Descriptor library. |
252b5132 | 7 | |
ae9a127f NC |
8 | This program is free software; you can redistribute it and/or modify |
9 | it under the terms of the GNU General Public License as published by | |
10 | the Free Software Foundation; either version 2 of the License, or | |
11 | (at your option) any later version. | |
252b5132 | 12 | |
ae9a127f NC |
13 | This program is distributed in the hope that it will be useful, |
14 | but WITHOUT ANY WARRANTY; without even the implied warranty of | |
15 | MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the | |
16 | GNU General Public License for more details. | |
252b5132 | 17 | |
ae9a127f | 18 | You should have received a copy of the GNU General Public License |
fc0bffd6 AM |
19 | along with this program; if not, write to the |
20 | Free Software Foundation, Inc., 59 Temple Place - Suite 330, | |
21 | Boston, MA 02111-1307, USA. */ | |
252b5132 RH |
22 | |
23 | /* This file is based on a preliminary PowerPC ELF ABI. The | |
24 | information may not match the final PowerPC ELF ABI. It includes | |
25 | suggestions from the in-progress Embedded PowerPC ABI, and that | |
26 | information may also not match. */ | |
27 | ||
28 | #include "bfd.h" | |
29 | #include "sysdep.h" | |
30 | #include "bfdlink.h" | |
31 | #include "libbfd.h" | |
32 | #include "elf-bfd.h" | |
33 | #include "elf/ppc.h" | |
7619e7c7 | 34 | #include "elf32-ppc.h" |
252b5132 | 35 | |
f0fe0e16 | 36 | /* RELA relocations are used here. */ |
252b5132 | 37 | |
7fce784e AS |
38 | static struct bfd_hash_entry *ppc_elf_link_hash_newfunc |
39 | PARAMS ((struct bfd_hash_entry *entry, struct bfd_hash_table *table, | |
40 | const char *string)); | |
41 | static struct bfd_link_hash_table *ppc_elf_link_hash_table_create | |
42 | PARAMS ((bfd *abfd)); | |
43 | static void ppc_elf_copy_indirect_symbol | |
44 | PARAMS ((struct elf_backend_data *bed, struct elf_link_hash_entry *dir, | |
45 | struct elf_link_hash_entry *ind)); | |
252b5132 RH |
46 | static reloc_howto_type *ppc_elf_reloc_type_lookup |
47 | PARAMS ((bfd *abfd, bfd_reloc_code_real_type code)); | |
48 | static void ppc_elf_info_to_howto | |
947216bf | 49 | PARAMS ((bfd *abfd, arelent *cache_ptr, Elf_Internal_Rela *dst)); |
b34976b6 AM |
50 | static void ppc_elf_howto_init |
51 | PARAMS ((void)); | |
52 | static int ppc_elf_sort_rela | |
53 | PARAMS ((const PTR, const PTR)); | |
54 | static bfd_boolean ppc_elf_relax_section | |
55 | PARAMS ((bfd *, asection *, struct bfd_link_info *, bfd_boolean *)); | |
252b5132 RH |
56 | static bfd_reloc_status_type ppc_elf_addr16_ha_reloc |
57 | PARAMS ((bfd *, arelent *, asymbol *, PTR, asection *, bfd *, char **)); | |
7619e7c7 AM |
58 | static bfd_reloc_status_type ppc_elf_unhandled_reloc |
59 | PARAMS ((bfd *, arelent *, asymbol *, PTR, asection *, bfd *, char **)); | |
b34976b6 AM |
60 | static bfd_boolean ppc_elf_object_p |
61 | PARAMS ((bfd *)); | |
62 | static bfd_boolean ppc_elf_set_private_flags | |
63 | PARAMS ((bfd *, flagword)); | |
64 | static bfd_boolean ppc_elf_merge_private_bfd_data | |
65 | PARAMS ((bfd *, bfd *)); | |
66 | static int ppc_elf_additional_program_headers | |
67 | PARAMS ((bfd *)); | |
68 | static bfd_boolean ppc_elf_modify_segment_map | |
69 | PARAMS ((bfd *)); | |
7619e7c7 | 70 | static bfd_boolean ppc_elf_create_got |
41fcb14e | 71 | PARAMS ((bfd *, struct bfd_link_info *)); |
b34976b6 | 72 | static bfd_boolean ppc_elf_create_dynamic_sections |
252b5132 | 73 | PARAMS ((bfd *, struct bfd_link_info *)); |
b34976b6 AM |
74 | static bfd_boolean ppc_elf_section_from_shdr |
75 | PARAMS ((bfd *, Elf_Internal_Shdr *, const char *)); | |
76 | static bfd_boolean ppc_elf_fake_sections | |
947216bf | 77 | PARAMS ((bfd *, Elf_Internal_Shdr *, asection *)); |
252b5132 | 78 | static elf_linker_section_t *ppc_elf_create_linker_section |
b34976b6 | 79 | PARAMS ((bfd *abfd, struct bfd_link_info *info, |
252b5132 | 80 | enum elf_linker_section_enum)); |
7619e7c7 AM |
81 | static bfd_boolean update_local_sym_info |
82 | PARAMS ((bfd *, Elf_Internal_Shdr *, unsigned long, int)); | |
83 | static void bad_shared_reloc | |
84 | PARAMS ((bfd *, enum elf_ppc_reloc_type)); | |
b34976b6 AM |
85 | static bfd_boolean ppc_elf_check_relocs |
86 | PARAMS ((bfd *, struct bfd_link_info *, asection *, | |
87 | const Elf_Internal_Rela *)); | |
70bccea4 | 88 | static asection *ppc_elf_gc_mark_hook |
b34976b6 AM |
89 | PARAMS ((asection *sec, struct bfd_link_info *info, Elf_Internal_Rela *rel, |
90 | struct elf_link_hash_entry *h, Elf_Internal_Sym *sym)); | |
91 | static bfd_boolean ppc_elf_gc_sweep_hook | |
92 | PARAMS ((bfd *abfd, struct bfd_link_info *info, asection *sec, | |
93 | const Elf_Internal_Rela *relocs)); | |
94 | static bfd_boolean ppc_elf_adjust_dynamic_symbol | |
95 | PARAMS ((struct bfd_link_info *, struct elf_link_hash_entry *)); | |
7fce784e AS |
96 | static bfd_boolean allocate_dynrelocs |
97 | PARAMS ((struct elf_link_hash_entry *, PTR)); | |
98 | static bfd_boolean readonly_dynrelocs | |
99 | PARAMS ((struct elf_link_hash_entry *, PTR)); | |
b34976b6 AM |
100 | static bfd_boolean ppc_elf_size_dynamic_sections |
101 | PARAMS ((bfd *, struct bfd_link_info *)); | |
102 | static bfd_boolean ppc_elf_relocate_section | |
103 | PARAMS ((bfd *, struct bfd_link_info *info, bfd *, asection *, bfd_byte *, | |
104 | Elf_Internal_Rela *relocs, Elf_Internal_Sym *local_syms, | |
105 | asection **)); | |
106 | static bfd_boolean ppc_elf_add_symbol_hook | |
107 | PARAMS ((bfd *, struct bfd_link_info *, const Elf_Internal_Sym *, | |
108 | const char **, flagword *, asection **, bfd_vma *)); | |
109 | static bfd_boolean ppc_elf_finish_dynamic_symbol | |
110 | PARAMS ((bfd *, struct bfd_link_info *, struct elf_link_hash_entry *, | |
111 | Elf_Internal_Sym *)); | |
112 | static bfd_boolean ppc_elf_finish_dynamic_sections | |
113 | PARAMS ((bfd *, struct bfd_link_info *)); | |
f51e552e AM |
114 | static enum elf_reloc_type_class ppc_elf_reloc_type_class |
115 | PARAMS ((const Elf_Internal_Rela *)); | |
b34976b6 | 116 | static bfd_boolean ppc_elf_grok_prstatus |
2e67030c | 117 | PARAMS ((bfd *abfd, Elf_Internal_Note *note)); |
b34976b6 | 118 | static bfd_boolean ppc_elf_grok_psinfo |
2e67030c | 119 | PARAMS ((bfd *abfd, Elf_Internal_Note *note)); |
252b5132 | 120 | |
70bccea4 AM |
121 | /* Branch prediction bit for branch taken relocs. */ |
122 | #define BRANCH_PREDICT_BIT 0x200000 | |
123 | /* Mask to set RA in memory instructions. */ | |
124 | #define RA_REGISTER_MASK 0x001f0000 | |
125 | /* Value to shift register by to insert RA. */ | |
126 | #define RA_REGISTER_SHIFT 16 | |
252b5132 RH |
127 | |
128 | /* The name of the dynamic interpreter. This is put in the .interp | |
129 | section. */ | |
252b5132 RH |
130 | #define ELF_DYNAMIC_INTERPRETER "/usr/lib/ld.so.1" |
131 | ||
132 | /* The size in bytes of an entry in the procedure linkage table. */ | |
133 | #define PLT_ENTRY_SIZE 12 | |
134 | /* The initial size of the plt reserved for the dynamic linker. */ | |
135 | #define PLT_INITIAL_ENTRY_SIZE 72 | |
136 | /* The size of the gap between entries in the PLT. */ | |
137 | #define PLT_SLOT_SIZE 8 | |
138 | /* The number of single-slot PLT entries (the rest use two slots). */ | |
139 | #define PLT_NUM_SINGLE_ENTRIES 8192 | |
140 | ||
7619e7c7 AM |
141 | /* Some nop instructions. */ |
142 | #define NOP 0x60000000 | |
143 | #define CROR_151515 0x4def7b82 | |
144 | #define CROR_313131 0x4ffffb82 | |
145 | ||
146 | /* Offset of tp and dtp pointers from start of TLS block. */ | |
147 | #define TP_OFFSET 0x7000 | |
148 | #define DTP_OFFSET 0x8000 | |
149 | ||
e1e0340b | 150 | /* Will references to this symbol always reference the symbol |
c8b21ee5 AM |
151 | in this object? STV_PROTECTED is excluded from the visibility test |
152 | here so that function pointer comparisons work properly. Since | |
153 | function symbols not defined in an app are set to their .plt entry, | |
154 | it's necessary for shared libs to also reference the .plt even | |
155 | though the symbol is really local to the shared lib. */ | |
fc0bffd6 | 156 | #define SYMBOL_REFERENCES_LOCAL(INFO, H) \ |
e1e0340b GK |
157 | ((! INFO->shared \ |
158 | || INFO->symbolic \ | |
159 | || H->dynindx == -1 \ | |
160 | || ELF_ST_VISIBILITY (H->other) == STV_INTERNAL \ | |
161 | || ELF_ST_VISIBILITY (H->other) == STV_HIDDEN) \ | |
162 | && (H->elf_link_hash_flags & ELF_LINK_HASH_DEF_REGULAR) != 0) | |
163 | ||
164 | /* Will _calls_ to this symbol always call the version in this object? */ | |
fc0bffd6 | 165 | #define SYMBOL_CALLS_LOCAL(INFO, H) \ |
e1e0340b GK |
166 | ((! INFO->shared \ |
167 | || INFO->symbolic \ | |
168 | || H->dynindx == -1 \ | |
169 | || ELF_ST_VISIBILITY (H->other) != STV_DEFAULT) \ | |
170 | && (H->elf_link_hash_flags & ELF_LINK_HASH_DEF_REGULAR) != 0) | |
252b5132 | 171 | \f |
7fce784e AS |
172 | /* The PPC linker needs to keep track of the number of relocs that it |
173 | decides to copy as dynamic relocs in check_relocs for each symbol. | |
174 | This is so that it can later discard them if they are found to be | |
175 | unnecessary. We store the information in a field extending the | |
176 | regular ELF linker hash table. */ | |
177 | ||
178 | struct ppc_elf_dyn_relocs | |
179 | { | |
180 | struct ppc_elf_dyn_relocs *next; | |
181 | ||
182 | /* The input section of the reloc. */ | |
183 | asection *sec; | |
184 | ||
185 | /* Total number of relocs copied for the input section. */ | |
186 | bfd_size_type count; | |
ee05f2fe AM |
187 | |
188 | /* Number of pc-relative relocs copied for the input section. */ | |
189 | bfd_size_type pc_count; | |
7fce784e AS |
190 | }; |
191 | ||
192 | /* PPC ELF linker hash entry. */ | |
193 | ||
194 | struct ppc_elf_link_hash_entry | |
195 | { | |
7619e7c7 | 196 | struct elf_link_hash_entry elf; |
7fce784e AS |
197 | |
198 | /* Track dynamic relocs copied for this symbol. */ | |
199 | struct ppc_elf_dyn_relocs *dyn_relocs; | |
7619e7c7 AM |
200 | |
201 | /* Contexts in which symbol is used in the GOT (or TOC). | |
fc0bffd6 | 202 | TLS_GD .. TLS_TLS bits are or'd into the mask as the |
7619e7c7 AM |
203 | corresponding relocs are encountered during check_relocs. |
204 | tls_optimize clears TLS_GD .. TLS_TPREL when optimizing to | |
205 | indicate the corresponding GOT entry type is not needed. */ | |
206 | #define TLS_GD 1 /* GD reloc. */ | |
207 | #define TLS_LD 2 /* LD reloc. */ | |
208 | #define TLS_TPREL 4 /* TPREL reloc, => IE. */ | |
209 | #define TLS_DTPREL 8 /* DTPREL reloc, => LD. */ | |
210 | #define TLS_TLS 16 /* Any TLS reloc. */ | |
211 | #define TLS_TPRELGD 32 /* TPREL reloc resulting from GD->IE. */ | |
212 | char tls_mask; | |
7fce784e AS |
213 | }; |
214 | ||
215 | #define ppc_elf_hash_entry(ent) ((struct ppc_elf_link_hash_entry *) (ent)) | |
216 | ||
217 | /* PPC ELF linker hash table. */ | |
218 | ||
219 | struct ppc_elf_link_hash_table | |
220 | { | |
7619e7c7 AM |
221 | struct elf_link_hash_table elf; |
222 | ||
223 | /* Short-cuts to get to dynamic linker sections. */ | |
224 | asection *got; | |
225 | asection *relgot; | |
226 | asection *plt; | |
227 | asection *relplt; | |
228 | asection *dynbss; | |
229 | asection *relbss; | |
230 | asection *dynsbss; | |
231 | asection *relsbss; | |
232 | elf_linker_section_t *sdata; | |
233 | elf_linker_section_t *sdata2; | |
234 | ||
235 | /* Short-cut to first output tls section. */ | |
236 | asection *tls_sec; | |
237 | ||
238 | /* Shortcut to .__tls_get_addr. */ | |
239 | struct elf_link_hash_entry *tls_get_addr; | |
240 | ||
241 | /* TLS local dynamic got entry handling. */ | |
242 | union { | |
243 | bfd_signed_vma refcount; | |
244 | bfd_vma offset; | |
245 | } tlsld_got; | |
7fce784e AS |
246 | |
247 | /* Small local sym to section mapping cache. */ | |
248 | struct sym_sec_cache sym_sec; | |
249 | }; | |
250 | ||
251 | /* Get the PPC ELF linker hash table from a link_info structure. */ | |
252 | ||
253 | #define ppc_elf_hash_table(p) \ | |
254 | ((struct ppc_elf_link_hash_table *) (p)->hash) | |
255 | ||
256 | /* Create an entry in a PPC ELF linker hash table. */ | |
257 | ||
258 | static struct bfd_hash_entry * | |
259 | ppc_elf_link_hash_newfunc (entry, table, string) | |
260 | struct bfd_hash_entry *entry; | |
261 | struct bfd_hash_table *table; | |
262 | const char *string; | |
263 | { | |
264 | /* Allocate the structure if it has not already been allocated by a | |
265 | subclass. */ | |
266 | if (entry == NULL) | |
267 | { | |
268 | entry = bfd_hash_allocate (table, | |
269 | sizeof (struct ppc_elf_link_hash_entry)); | |
270 | if (entry == NULL) | |
271 | return entry; | |
272 | } | |
273 | ||
274 | /* Call the allocation method of the superclass. */ | |
275 | entry = _bfd_elf_link_hash_newfunc (entry, table, string); | |
276 | if (entry != NULL) | |
7619e7c7 AM |
277 | { |
278 | ppc_elf_hash_entry (entry)->dyn_relocs = NULL; | |
279 | ppc_elf_hash_entry (entry)->tls_mask = 0; | |
280 | } | |
7fce784e AS |
281 | |
282 | return entry; | |
283 | } | |
284 | ||
285 | /* Create a PPC ELF linker hash table. */ | |
286 | ||
287 | static struct bfd_link_hash_table * | |
288 | ppc_elf_link_hash_table_create (abfd) | |
289 | bfd *abfd; | |
290 | { | |
291 | struct ppc_elf_link_hash_table *ret; | |
292 | ||
293 | ret = ((struct ppc_elf_link_hash_table *) | |
294 | bfd_malloc (sizeof (struct ppc_elf_link_hash_table))); | |
295 | if (ret == NULL) | |
296 | return NULL; | |
297 | ||
7619e7c7 | 298 | if (! _bfd_elf_link_hash_table_init (&ret->elf, abfd, |
7fce784e AS |
299 | ppc_elf_link_hash_newfunc)) |
300 | { | |
301 | free (ret); | |
302 | return NULL; | |
303 | } | |
304 | ||
7619e7c7 AM |
305 | ret->got = NULL; |
306 | ret->relgot = NULL; | |
307 | ret->plt = NULL; | |
308 | ret->relplt = NULL; | |
309 | ret->dynbss = NULL; | |
310 | ret->relbss = NULL; | |
311 | ret->dynsbss = NULL; | |
312 | ret->relsbss = NULL; | |
313 | ret->sdata = NULL; | |
314 | ret->sdata2 = NULL; | |
315 | ret->tls_sec = NULL; | |
316 | ret->tls_get_addr = NULL; | |
317 | ret->tlsld_got.refcount = 0; | |
7fce784e AS |
318 | ret->sym_sec.abfd = NULL; |
319 | ||
7619e7c7 | 320 | return &ret->elf.root; |
7fce784e AS |
321 | } |
322 | ||
fc0bffd6 AM |
323 | /* If ELIMINATE_COPY_RELOCS is non-zero, the linker will try to avoid |
324 | copying dynamic variables from a shared lib into an app's dynbss | |
325 | section, and instead use a dynamic relocation to point into the | |
326 | shared lib. */ | |
327 | #define ELIMINATE_COPY_RELOCS 1 | |
328 | ||
7fce784e AS |
329 | /* Copy the extra info we tack onto an elf_link_hash_entry. */ |
330 | ||
331 | static void | |
332 | ppc_elf_copy_indirect_symbol (bed, dir, ind) | |
333 | struct elf_backend_data *bed; | |
334 | struct elf_link_hash_entry *dir, *ind; | |
335 | { | |
336 | struct ppc_elf_link_hash_entry *edir, *eind; | |
337 | ||
338 | edir = (struct ppc_elf_link_hash_entry *) dir; | |
339 | eind = (struct ppc_elf_link_hash_entry *) ind; | |
340 | ||
341 | if (eind->dyn_relocs != NULL) | |
342 | { | |
343 | if (edir->dyn_relocs != NULL) | |
344 | { | |
345 | struct ppc_elf_dyn_relocs **pp; | |
346 | struct ppc_elf_dyn_relocs *p; | |
347 | ||
348 | if (ind->root.type == bfd_link_hash_indirect) | |
349 | abort (); | |
350 | ||
351 | /* Add reloc counts against the weak sym to the strong sym | |
352 | list. Merge any entries against the same section. */ | |
353 | for (pp = &eind->dyn_relocs; (p = *pp) != NULL; ) | |
354 | { | |
355 | struct ppc_elf_dyn_relocs *q; | |
356 | ||
357 | for (q = edir->dyn_relocs; q != NULL; q = q->next) | |
358 | if (q->sec == p->sec) | |
359 | { | |
ee05f2fe | 360 | q->pc_count += p->pc_count; |
7fce784e AS |
361 | q->count += p->count; |
362 | *pp = p->next; | |
363 | break; | |
364 | } | |
365 | if (q == NULL) | |
366 | pp = &p->next; | |
367 | } | |
368 | *pp = edir->dyn_relocs; | |
369 | } | |
370 | ||
371 | edir->dyn_relocs = eind->dyn_relocs; | |
372 | eind->dyn_relocs = NULL; | |
373 | } | |
374 | ||
7619e7c7 AM |
375 | edir->tls_mask |= eind->tls_mask; |
376 | ||
81848ca0 AM |
377 | if (ELIMINATE_COPY_RELOCS |
378 | && ind->root.type != bfd_link_hash_indirect | |
379 | && (dir->elf_link_hash_flags & ELF_LINK_HASH_DYNAMIC_ADJUSTED) != 0) | |
fc0bffd6 AM |
380 | /* If called to transfer flags for a weakdef during processing |
381 | of elf_adjust_dynamic_symbol, don't copy ELF_LINK_NON_GOT_REF. | |
382 | We clear it ourselves for ELIMINATE_COPY_RELOCS. */ | |
383 | dir->elf_link_hash_flags |= | |
384 | (ind->elf_link_hash_flags & (ELF_LINK_HASH_REF_DYNAMIC | |
385 | | ELF_LINK_HASH_REF_REGULAR | |
386 | | ELF_LINK_HASH_REF_REGULAR_NONWEAK)); | |
387 | else | |
388 | _bfd_elf_link_hash_copy_indirect (bed, dir, ind); | |
7fce784e AS |
389 | } |
390 | \f | |
8da6118f | 391 | static reloc_howto_type *ppc_elf_howto_table[(int) R_PPC_max]; |
252b5132 | 392 | |
8da6118f | 393 | static reloc_howto_type ppc_elf_howto_raw[] = { |
252b5132 RH |
394 | /* This reloc does nothing. */ |
395 | HOWTO (R_PPC_NONE, /* type */ | |
396 | 0, /* rightshift */ | |
397 | 2, /* size (0 = byte, 1 = short, 2 = long) */ | |
398 | 32, /* bitsize */ | |
b34976b6 | 399 | FALSE, /* pc_relative */ |
252b5132 RH |
400 | 0, /* bitpos */ |
401 | complain_overflow_bitfield, /* complain_on_overflow */ | |
402 | bfd_elf_generic_reloc, /* special_function */ | |
403 | "R_PPC_NONE", /* name */ | |
b34976b6 | 404 | FALSE, /* partial_inplace */ |
252b5132 RH |
405 | 0, /* src_mask */ |
406 | 0, /* dst_mask */ | |
b34976b6 | 407 | FALSE), /* pcrel_offset */ |
252b5132 RH |
408 | |
409 | /* A standard 32 bit relocation. */ | |
410 | HOWTO (R_PPC_ADDR32, /* type */ | |
411 | 0, /* rightshift */ | |
412 | 2, /* size (0 = byte, 1 = short, 2 = long) */ | |
413 | 32, /* bitsize */ | |
b34976b6 | 414 | FALSE, /* pc_relative */ |
252b5132 RH |
415 | 0, /* bitpos */ |
416 | complain_overflow_bitfield, /* complain_on_overflow */ | |
417 | bfd_elf_generic_reloc, /* special_function */ | |
418 | "R_PPC_ADDR32", /* name */ | |
b34976b6 | 419 | FALSE, /* partial_inplace */ |
252b5132 RH |
420 | 0, /* src_mask */ |
421 | 0xffffffff, /* dst_mask */ | |
b34976b6 | 422 | FALSE), /* pcrel_offset */ |
252b5132 RH |
423 | |
424 | /* An absolute 26 bit branch; the lower two bits must be zero. | |
425 | FIXME: we don't check that, we just clear them. */ | |
426 | HOWTO (R_PPC_ADDR24, /* type */ | |
427 | 0, /* rightshift */ | |
428 | 2, /* size (0 = byte, 1 = short, 2 = long) */ | |
429 | 26, /* bitsize */ | |
b34976b6 | 430 | FALSE, /* pc_relative */ |
252b5132 RH |
431 | 0, /* bitpos */ |
432 | complain_overflow_bitfield, /* complain_on_overflow */ | |
433 | bfd_elf_generic_reloc, /* special_function */ | |
434 | "R_PPC_ADDR24", /* name */ | |
b34976b6 | 435 | FALSE, /* partial_inplace */ |
252b5132 RH |
436 | 0, /* src_mask */ |
437 | 0x3fffffc, /* dst_mask */ | |
b34976b6 | 438 | FALSE), /* pcrel_offset */ |
252b5132 RH |
439 | |
440 | /* A standard 16 bit relocation. */ | |
441 | HOWTO (R_PPC_ADDR16, /* type */ | |
442 | 0, /* rightshift */ | |
443 | 1, /* size (0 = byte, 1 = short, 2 = long) */ | |
444 | 16, /* bitsize */ | |
b34976b6 | 445 | FALSE, /* pc_relative */ |
252b5132 RH |
446 | 0, /* bitpos */ |
447 | complain_overflow_bitfield, /* complain_on_overflow */ | |
448 | bfd_elf_generic_reloc, /* special_function */ | |
449 | "R_PPC_ADDR16", /* name */ | |
b34976b6 | 450 | FALSE, /* partial_inplace */ |
252b5132 RH |
451 | 0, /* src_mask */ |
452 | 0xffff, /* dst_mask */ | |
b34976b6 | 453 | FALSE), /* pcrel_offset */ |
252b5132 RH |
454 | |
455 | /* A 16 bit relocation without overflow. */ | |
456 | HOWTO (R_PPC_ADDR16_LO, /* type */ | |
457 | 0, /* rightshift */ | |
458 | 1, /* size (0 = byte, 1 = short, 2 = long) */ | |
459 | 16, /* bitsize */ | |
b34976b6 | 460 | FALSE, /* pc_relative */ |
252b5132 RH |
461 | 0, /* bitpos */ |
462 | complain_overflow_dont,/* complain_on_overflow */ | |
463 | bfd_elf_generic_reloc, /* special_function */ | |
464 | "R_PPC_ADDR16_LO", /* name */ | |
b34976b6 | 465 | FALSE, /* partial_inplace */ |
252b5132 RH |
466 | 0, /* src_mask */ |
467 | 0xffff, /* dst_mask */ | |
b34976b6 | 468 | FALSE), /* pcrel_offset */ |
252b5132 RH |
469 | |
470 | /* The high order 16 bits of an address. */ | |
471 | HOWTO (R_PPC_ADDR16_HI, /* type */ | |
472 | 16, /* rightshift */ | |
473 | 1, /* size (0 = byte, 1 = short, 2 = long) */ | |
474 | 16, /* bitsize */ | |
b34976b6 | 475 | FALSE, /* pc_relative */ |
252b5132 RH |
476 | 0, /* bitpos */ |
477 | complain_overflow_dont, /* complain_on_overflow */ | |
478 | bfd_elf_generic_reloc, /* special_function */ | |
479 | "R_PPC_ADDR16_HI", /* name */ | |
b34976b6 | 480 | FALSE, /* partial_inplace */ |
252b5132 RH |
481 | 0, /* src_mask */ |
482 | 0xffff, /* dst_mask */ | |
b34976b6 | 483 | FALSE), /* pcrel_offset */ |
252b5132 RH |
484 | |
485 | /* The high order 16 bits of an address, plus 1 if the contents of | |
8da6118f | 486 | the low 16 bits, treated as a signed number, is negative. */ |
252b5132 RH |
487 | HOWTO (R_PPC_ADDR16_HA, /* type */ |
488 | 16, /* rightshift */ | |
489 | 1, /* size (0 = byte, 1 = short, 2 = long) */ | |
490 | 16, /* bitsize */ | |
b34976b6 | 491 | FALSE, /* pc_relative */ |
252b5132 RH |
492 | 0, /* bitpos */ |
493 | complain_overflow_dont, /* complain_on_overflow */ | |
494 | ppc_elf_addr16_ha_reloc, /* special_function */ | |
495 | "R_PPC_ADDR16_HA", /* name */ | |
b34976b6 | 496 | FALSE, /* partial_inplace */ |
252b5132 RH |
497 | 0, /* src_mask */ |
498 | 0xffff, /* dst_mask */ | |
b34976b6 | 499 | FALSE), /* pcrel_offset */ |
252b5132 RH |
500 | |
501 | /* An absolute 16 bit branch; the lower two bits must be zero. | |
502 | FIXME: we don't check that, we just clear them. */ | |
503 | HOWTO (R_PPC_ADDR14, /* type */ | |
504 | 0, /* rightshift */ | |
505 | 2, /* size (0 = byte, 1 = short, 2 = long) */ | |
506 | 16, /* bitsize */ | |
b34976b6 | 507 | FALSE, /* pc_relative */ |
252b5132 RH |
508 | 0, /* bitpos */ |
509 | complain_overflow_bitfield, /* complain_on_overflow */ | |
510 | bfd_elf_generic_reloc, /* special_function */ | |
511 | "R_PPC_ADDR14", /* name */ | |
b34976b6 | 512 | FALSE, /* partial_inplace */ |
252b5132 RH |
513 | 0, /* src_mask */ |
514 | 0xfffc, /* dst_mask */ | |
b34976b6 | 515 | FALSE), /* pcrel_offset */ |
252b5132 RH |
516 | |
517 | /* An absolute 16 bit branch, for which bit 10 should be set to | |
518 | indicate that the branch is expected to be taken. The lower two | |
8da6118f | 519 | bits must be zero. */ |
252b5132 RH |
520 | HOWTO (R_PPC_ADDR14_BRTAKEN, /* type */ |
521 | 0, /* rightshift */ | |
522 | 2, /* size (0 = byte, 1 = short, 2 = long) */ | |
523 | 16, /* bitsize */ | |
b34976b6 | 524 | FALSE, /* pc_relative */ |
252b5132 RH |
525 | 0, /* bitpos */ |
526 | complain_overflow_bitfield, /* complain_on_overflow */ | |
527 | bfd_elf_generic_reloc, /* special_function */ | |
528 | "R_PPC_ADDR14_BRTAKEN",/* name */ | |
b34976b6 | 529 | FALSE, /* partial_inplace */ |
252b5132 RH |
530 | 0, /* src_mask */ |
531 | 0xfffc, /* dst_mask */ | |
b34976b6 | 532 | FALSE), /* pcrel_offset */ |
252b5132 RH |
533 | |
534 | /* An absolute 16 bit branch, for which bit 10 should be set to | |
535 | indicate that the branch is not expected to be taken. The lower | |
536 | two bits must be zero. */ | |
537 | HOWTO (R_PPC_ADDR14_BRNTAKEN, /* type */ | |
538 | 0, /* rightshift */ | |
539 | 2, /* size (0 = byte, 1 = short, 2 = long) */ | |
540 | 16, /* bitsize */ | |
b34976b6 | 541 | FALSE, /* pc_relative */ |
252b5132 RH |
542 | 0, /* bitpos */ |
543 | complain_overflow_bitfield, /* complain_on_overflow */ | |
544 | bfd_elf_generic_reloc, /* special_function */ | |
545 | "R_PPC_ADDR14_BRNTAKEN",/* name */ | |
b34976b6 | 546 | FALSE, /* partial_inplace */ |
252b5132 RH |
547 | 0, /* src_mask */ |
548 | 0xfffc, /* dst_mask */ | |
b34976b6 | 549 | FALSE), /* pcrel_offset */ |
252b5132 | 550 | |
8da6118f | 551 | /* A relative 26 bit branch; the lower two bits must be zero. */ |
252b5132 RH |
552 | HOWTO (R_PPC_REL24, /* type */ |
553 | 0, /* rightshift */ | |
554 | 2, /* size (0 = byte, 1 = short, 2 = long) */ | |
555 | 26, /* bitsize */ | |
b34976b6 | 556 | TRUE, /* pc_relative */ |
252b5132 RH |
557 | 0, /* bitpos */ |
558 | complain_overflow_signed, /* complain_on_overflow */ | |
559 | bfd_elf_generic_reloc, /* special_function */ | |
560 | "R_PPC_REL24", /* name */ | |
b34976b6 | 561 | FALSE, /* partial_inplace */ |
252b5132 RH |
562 | 0, /* src_mask */ |
563 | 0x3fffffc, /* dst_mask */ | |
b34976b6 | 564 | TRUE), /* pcrel_offset */ |
252b5132 | 565 | |
8da6118f | 566 | /* A relative 16 bit branch; the lower two bits must be zero. */ |
252b5132 RH |
567 | HOWTO (R_PPC_REL14, /* type */ |
568 | 0, /* rightshift */ | |
569 | 2, /* size (0 = byte, 1 = short, 2 = long) */ | |
570 | 16, /* bitsize */ | |
b34976b6 | 571 | TRUE, /* pc_relative */ |
252b5132 RH |
572 | 0, /* bitpos */ |
573 | complain_overflow_signed, /* complain_on_overflow */ | |
574 | bfd_elf_generic_reloc, /* special_function */ | |
575 | "R_PPC_REL14", /* name */ | |
b34976b6 | 576 | FALSE, /* partial_inplace */ |
252b5132 RH |
577 | 0, /* src_mask */ |
578 | 0xfffc, /* dst_mask */ | |
b34976b6 | 579 | TRUE), /* pcrel_offset */ |
252b5132 | 580 | |
8da6118f | 581 | /* A relative 16 bit branch. Bit 10 should be set to indicate that |
252b5132 RH |
582 | the branch is expected to be taken. The lower two bits must be |
583 | zero. */ | |
584 | HOWTO (R_PPC_REL14_BRTAKEN, /* type */ | |
585 | 0, /* rightshift */ | |
586 | 2, /* size (0 = byte, 1 = short, 2 = long) */ | |
587 | 16, /* bitsize */ | |
b34976b6 | 588 | TRUE, /* pc_relative */ |
252b5132 RH |
589 | 0, /* bitpos */ |
590 | complain_overflow_signed, /* complain_on_overflow */ | |
591 | bfd_elf_generic_reloc, /* special_function */ | |
592 | "R_PPC_REL14_BRTAKEN", /* name */ | |
b34976b6 | 593 | FALSE, /* partial_inplace */ |
252b5132 RH |
594 | 0, /* src_mask */ |
595 | 0xfffc, /* dst_mask */ | |
b34976b6 | 596 | TRUE), /* pcrel_offset */ |
252b5132 | 597 | |
8da6118f | 598 | /* A relative 16 bit branch. Bit 10 should be set to indicate that |
252b5132 RH |
599 | the branch is not expected to be taken. The lower two bits must |
600 | be zero. */ | |
601 | HOWTO (R_PPC_REL14_BRNTAKEN, /* type */ | |
602 | 0, /* rightshift */ | |
603 | 2, /* size (0 = byte, 1 = short, 2 = long) */ | |
604 | 16, /* bitsize */ | |
b34976b6 | 605 | TRUE, /* pc_relative */ |
252b5132 RH |
606 | 0, /* bitpos */ |
607 | complain_overflow_signed, /* complain_on_overflow */ | |
608 | bfd_elf_generic_reloc, /* special_function */ | |
609 | "R_PPC_REL14_BRNTAKEN",/* name */ | |
b34976b6 | 610 | FALSE, /* partial_inplace */ |
252b5132 RH |
611 | 0, /* src_mask */ |
612 | 0xfffc, /* dst_mask */ | |
b34976b6 | 613 | TRUE), /* pcrel_offset */ |
252b5132 RH |
614 | |
615 | /* Like R_PPC_ADDR16, but referring to the GOT table entry for the | |
616 | symbol. */ | |
617 | HOWTO (R_PPC_GOT16, /* type */ | |
618 | 0, /* rightshift */ | |
619 | 1, /* size (0 = byte, 1 = short, 2 = long) */ | |
620 | 16, /* bitsize */ | |
b34976b6 | 621 | FALSE, /* pc_relative */ |
252b5132 RH |
622 | 0, /* bitpos */ |
623 | complain_overflow_signed, /* complain_on_overflow */ | |
624 | bfd_elf_generic_reloc, /* special_function */ | |
625 | "R_PPC_GOT16", /* name */ | |
b34976b6 | 626 | FALSE, /* partial_inplace */ |
252b5132 RH |
627 | 0, /* src_mask */ |
628 | 0xffff, /* dst_mask */ | |
b34976b6 | 629 | FALSE), /* pcrel_offset */ |
252b5132 RH |
630 | |
631 | /* Like R_PPC_ADDR16_LO, but referring to the GOT table entry for | |
632 | the symbol. */ | |
633 | HOWTO (R_PPC_GOT16_LO, /* type */ | |
634 | 0, /* rightshift */ | |
635 | 1, /* size (0 = byte, 1 = short, 2 = long) */ | |
636 | 16, /* bitsize */ | |
b34976b6 | 637 | FALSE, /* pc_relative */ |
252b5132 RH |
638 | 0, /* bitpos */ |
639 | complain_overflow_dont, /* complain_on_overflow */ | |
640 | bfd_elf_generic_reloc, /* special_function */ | |
641 | "R_PPC_GOT16_LO", /* name */ | |
b34976b6 | 642 | FALSE, /* partial_inplace */ |
252b5132 RH |
643 | 0, /* src_mask */ |
644 | 0xffff, /* dst_mask */ | |
b34976b6 | 645 | FALSE), /* pcrel_offset */ |
252b5132 RH |
646 | |
647 | /* Like R_PPC_ADDR16_HI, but referring to the GOT table entry for | |
648 | the symbol. */ | |
649 | HOWTO (R_PPC_GOT16_HI, /* type */ | |
650 | 16, /* rightshift */ | |
651 | 1, /* size (0 = byte, 1 = short, 2 = long) */ | |
652 | 16, /* bitsize */ | |
b34976b6 | 653 | FALSE, /* pc_relative */ |
252b5132 RH |
654 | 0, /* bitpos */ |
655 | complain_overflow_bitfield, /* complain_on_overflow */ | |
656 | bfd_elf_generic_reloc, /* special_function */ | |
657 | "R_PPC_GOT16_HI", /* name */ | |
b34976b6 | 658 | FALSE, /* partial_inplace */ |
252b5132 RH |
659 | 0, /* src_mask */ |
660 | 0xffff, /* dst_mask */ | |
b34976b6 | 661 | FALSE), /* pcrel_offset */ |
252b5132 RH |
662 | |
663 | /* Like R_PPC_ADDR16_HA, but referring to the GOT table entry for | |
664 | the symbol. */ | |
665 | HOWTO (R_PPC_GOT16_HA, /* type */ | |
666 | 16, /* rightshift */ | |
667 | 1, /* size (0 = byte, 1 = short, 2 = long) */ | |
668 | 16, /* bitsize */ | |
b34976b6 | 669 | FALSE, /* pc_relative */ |
252b5132 RH |
670 | 0, /* bitpos */ |
671 | complain_overflow_bitfield, /* complain_on_overflow */ | |
672 | ppc_elf_addr16_ha_reloc, /* special_function */ | |
673 | "R_PPC_GOT16_HA", /* name */ | |
b34976b6 | 674 | FALSE, /* partial_inplace */ |
252b5132 RH |
675 | 0, /* src_mask */ |
676 | 0xffff, /* dst_mask */ | |
b34976b6 | 677 | FALSE), /* pcrel_offset */ |
252b5132 RH |
678 | |
679 | /* Like R_PPC_REL24, but referring to the procedure linkage table | |
680 | entry for the symbol. */ | |
681 | HOWTO (R_PPC_PLTREL24, /* type */ | |
682 | 0, /* rightshift */ | |
683 | 2, /* size (0 = byte, 1 = short, 2 = long) */ | |
684 | 26, /* bitsize */ | |
b34976b6 | 685 | TRUE, /* pc_relative */ |
252b5132 RH |
686 | 0, /* bitpos */ |
687 | complain_overflow_signed, /* complain_on_overflow */ | |
688 | bfd_elf_generic_reloc, /* special_function */ | |
689 | "R_PPC_PLTREL24", /* name */ | |
b34976b6 | 690 | FALSE, /* partial_inplace */ |
252b5132 RH |
691 | 0, /* src_mask */ |
692 | 0x3fffffc, /* dst_mask */ | |
b34976b6 | 693 | TRUE), /* pcrel_offset */ |
252b5132 RH |
694 | |
695 | /* This is used only by the dynamic linker. The symbol should exist | |
696 | both in the object being run and in some shared library. The | |
697 | dynamic linker copies the data addressed by the symbol from the | |
698 | shared library into the object, because the object being | |
699 | run has to have the data at some particular address. */ | |
700 | HOWTO (R_PPC_COPY, /* type */ | |
701 | 0, /* rightshift */ | |
702 | 2, /* size (0 = byte, 1 = short, 2 = long) */ | |
703 | 32, /* bitsize */ | |
b34976b6 | 704 | FALSE, /* pc_relative */ |
252b5132 RH |
705 | 0, /* bitpos */ |
706 | complain_overflow_bitfield, /* complain_on_overflow */ | |
707 | bfd_elf_generic_reloc, /* special_function */ | |
708 | "R_PPC_COPY", /* name */ | |
b34976b6 | 709 | FALSE, /* partial_inplace */ |
252b5132 RH |
710 | 0, /* src_mask */ |
711 | 0, /* dst_mask */ | |
b34976b6 | 712 | FALSE), /* pcrel_offset */ |
252b5132 RH |
713 | |
714 | /* Like R_PPC_ADDR32, but used when setting global offset table | |
715 | entries. */ | |
716 | HOWTO (R_PPC_GLOB_DAT, /* type */ | |
717 | 0, /* rightshift */ | |
718 | 2, /* size (0 = byte, 1 = short, 2 = long) */ | |
719 | 32, /* bitsize */ | |
b34976b6 | 720 | FALSE, /* pc_relative */ |
252b5132 RH |
721 | 0, /* bitpos */ |
722 | complain_overflow_bitfield, /* complain_on_overflow */ | |
723 | bfd_elf_generic_reloc, /* special_function */ | |
724 | "R_PPC_GLOB_DAT", /* name */ | |
b34976b6 | 725 | FALSE, /* partial_inplace */ |
252b5132 RH |
726 | 0, /* src_mask */ |
727 | 0xffffffff, /* dst_mask */ | |
b34976b6 | 728 | FALSE), /* pcrel_offset */ |
252b5132 RH |
729 | |
730 | /* Marks a procedure linkage table entry for a symbol. */ | |
731 | HOWTO (R_PPC_JMP_SLOT, /* type */ | |
732 | 0, /* rightshift */ | |
733 | 2, /* size (0 = byte, 1 = short, 2 = long) */ | |
734 | 32, /* bitsize */ | |
b34976b6 | 735 | FALSE, /* pc_relative */ |
252b5132 RH |
736 | 0, /* bitpos */ |
737 | complain_overflow_bitfield, /* complain_on_overflow */ | |
738 | bfd_elf_generic_reloc, /* special_function */ | |
739 | "R_PPC_JMP_SLOT", /* name */ | |
b34976b6 | 740 | FALSE, /* partial_inplace */ |
252b5132 RH |
741 | 0, /* src_mask */ |
742 | 0, /* dst_mask */ | |
b34976b6 | 743 | FALSE), /* pcrel_offset */ |
252b5132 RH |
744 | |
745 | /* Used only by the dynamic linker. When the object is run, this | |
746 | longword is set to the load address of the object, plus the | |
747 | addend. */ | |
748 | HOWTO (R_PPC_RELATIVE, /* type */ | |
749 | 0, /* rightshift */ | |
750 | 2, /* size (0 = byte, 1 = short, 2 = long) */ | |
751 | 32, /* bitsize */ | |
b34976b6 | 752 | FALSE, /* pc_relative */ |
252b5132 RH |
753 | 0, /* bitpos */ |
754 | complain_overflow_bitfield, /* complain_on_overflow */ | |
755 | bfd_elf_generic_reloc, /* special_function */ | |
756 | "R_PPC_RELATIVE", /* name */ | |
b34976b6 | 757 | FALSE, /* partial_inplace */ |
252b5132 RH |
758 | 0, /* src_mask */ |
759 | 0xffffffff, /* dst_mask */ | |
b34976b6 | 760 | FALSE), /* pcrel_offset */ |
252b5132 RH |
761 | |
762 | /* Like R_PPC_REL24, but uses the value of the symbol within the | |
763 | object rather than the final value. Normally used for | |
764 | _GLOBAL_OFFSET_TABLE_. */ | |
765 | HOWTO (R_PPC_LOCAL24PC, /* type */ | |
766 | 0, /* rightshift */ | |
767 | 2, /* size (0 = byte, 1 = short, 2 = long) */ | |
768 | 26, /* bitsize */ | |
b34976b6 | 769 | TRUE, /* pc_relative */ |
252b5132 RH |
770 | 0, /* bitpos */ |
771 | complain_overflow_signed, /* complain_on_overflow */ | |
772 | bfd_elf_generic_reloc, /* special_function */ | |
773 | "R_PPC_LOCAL24PC", /* name */ | |
b34976b6 | 774 | FALSE, /* partial_inplace */ |
252b5132 RH |
775 | 0, /* src_mask */ |
776 | 0x3fffffc, /* dst_mask */ | |
b34976b6 | 777 | TRUE), /* pcrel_offset */ |
252b5132 RH |
778 | |
779 | /* Like R_PPC_ADDR32, but may be unaligned. */ | |
780 | HOWTO (R_PPC_UADDR32, /* type */ | |
781 | 0, /* rightshift */ | |
782 | 2, /* size (0 = byte, 1 = short, 2 = long) */ | |
783 | 32, /* bitsize */ | |
b34976b6 | 784 | FALSE, /* pc_relative */ |
252b5132 RH |
785 | 0, /* bitpos */ |
786 | complain_overflow_bitfield, /* complain_on_overflow */ | |
787 | bfd_elf_generic_reloc, /* special_function */ | |
788 | "R_PPC_UADDR32", /* name */ | |
b34976b6 | 789 | FALSE, /* partial_inplace */ |
252b5132 RH |
790 | 0, /* src_mask */ |
791 | 0xffffffff, /* dst_mask */ | |
b34976b6 | 792 | FALSE), /* pcrel_offset */ |
252b5132 RH |
793 | |
794 | /* Like R_PPC_ADDR16, but may be unaligned. */ | |
795 | HOWTO (R_PPC_UADDR16, /* type */ | |
796 | 0, /* rightshift */ | |
797 | 1, /* size (0 = byte, 1 = short, 2 = long) */ | |
798 | 16, /* bitsize */ | |
b34976b6 | 799 | FALSE, /* pc_relative */ |
252b5132 RH |
800 | 0, /* bitpos */ |
801 | complain_overflow_bitfield, /* complain_on_overflow */ | |
802 | bfd_elf_generic_reloc, /* special_function */ | |
803 | "R_PPC_UADDR16", /* name */ | |
b34976b6 | 804 | FALSE, /* partial_inplace */ |
252b5132 RH |
805 | 0, /* src_mask */ |
806 | 0xffff, /* dst_mask */ | |
b34976b6 | 807 | FALSE), /* pcrel_offset */ |
252b5132 RH |
808 | |
809 | /* 32-bit PC relative */ | |
810 | HOWTO (R_PPC_REL32, /* type */ | |
811 | 0, /* rightshift */ | |
812 | 2, /* size (0 = byte, 1 = short, 2 = long) */ | |
813 | 32, /* bitsize */ | |
b34976b6 | 814 | TRUE, /* pc_relative */ |
252b5132 RH |
815 | 0, /* bitpos */ |
816 | complain_overflow_bitfield, /* complain_on_overflow */ | |
817 | bfd_elf_generic_reloc, /* special_function */ | |
818 | "R_PPC_REL32", /* name */ | |
b34976b6 | 819 | FALSE, /* partial_inplace */ |
252b5132 RH |
820 | 0, /* src_mask */ |
821 | 0xffffffff, /* dst_mask */ | |
b34976b6 | 822 | TRUE), /* pcrel_offset */ |
252b5132 RH |
823 | |
824 | /* 32-bit relocation to the symbol's procedure linkage table. | |
c3668558 | 825 | FIXME: not supported. */ |
252b5132 RH |
826 | HOWTO (R_PPC_PLT32, /* type */ |
827 | 0, /* rightshift */ | |
828 | 2, /* size (0 = byte, 1 = short, 2 = long) */ | |
829 | 32, /* bitsize */ | |
b34976b6 | 830 | FALSE, /* pc_relative */ |
252b5132 RH |
831 | 0, /* bitpos */ |
832 | complain_overflow_bitfield, /* complain_on_overflow */ | |
833 | bfd_elf_generic_reloc, /* special_function */ | |
834 | "R_PPC_PLT32", /* name */ | |
b34976b6 | 835 | FALSE, /* partial_inplace */ |
252b5132 RH |
836 | 0, /* src_mask */ |
837 | 0, /* dst_mask */ | |
b34976b6 | 838 | FALSE), /* pcrel_offset */ |
252b5132 RH |
839 | |
840 | /* 32-bit PC relative relocation to the symbol's procedure linkage table. | |
c3668558 | 841 | FIXME: not supported. */ |
252b5132 RH |
842 | HOWTO (R_PPC_PLTREL32, /* type */ |
843 | 0, /* rightshift */ | |
844 | 2, /* size (0 = byte, 1 = short, 2 = long) */ | |
845 | 32, /* bitsize */ | |
b34976b6 | 846 | TRUE, /* pc_relative */ |
252b5132 RH |
847 | 0, /* bitpos */ |
848 | complain_overflow_bitfield, /* complain_on_overflow */ | |
849 | bfd_elf_generic_reloc, /* special_function */ | |
850 | "R_PPC_PLTREL32", /* name */ | |
b34976b6 | 851 | FALSE, /* partial_inplace */ |
252b5132 RH |
852 | 0, /* src_mask */ |
853 | 0, /* dst_mask */ | |
b34976b6 | 854 | TRUE), /* pcrel_offset */ |
252b5132 RH |
855 | |
856 | /* Like R_PPC_ADDR16_LO, but referring to the PLT table entry for | |
857 | the symbol. */ | |
858 | HOWTO (R_PPC_PLT16_LO, /* type */ | |
859 | 0, /* rightshift */ | |
860 | 1, /* size (0 = byte, 1 = short, 2 = long) */ | |
861 | 16, /* bitsize */ | |
b34976b6 | 862 | FALSE, /* pc_relative */ |
252b5132 RH |
863 | 0, /* bitpos */ |
864 | complain_overflow_dont, /* complain_on_overflow */ | |
865 | bfd_elf_generic_reloc, /* special_function */ | |
866 | "R_PPC_PLT16_LO", /* name */ | |
b34976b6 | 867 | FALSE, /* partial_inplace */ |
252b5132 RH |
868 | 0, /* src_mask */ |
869 | 0xffff, /* dst_mask */ | |
b34976b6 | 870 | FALSE), /* pcrel_offset */ |
252b5132 RH |
871 | |
872 | /* Like R_PPC_ADDR16_HI, but referring to the PLT table entry for | |
873 | the symbol. */ | |
874 | HOWTO (R_PPC_PLT16_HI, /* type */ | |
875 | 16, /* rightshift */ | |
876 | 1, /* size (0 = byte, 1 = short, 2 = long) */ | |
877 | 16, /* bitsize */ | |
b34976b6 | 878 | FALSE, /* pc_relative */ |
252b5132 RH |
879 | 0, /* bitpos */ |
880 | complain_overflow_bitfield, /* complain_on_overflow */ | |
881 | bfd_elf_generic_reloc, /* special_function */ | |
882 | "R_PPC_PLT16_HI", /* name */ | |
b34976b6 | 883 | FALSE, /* partial_inplace */ |
252b5132 RH |
884 | 0, /* src_mask */ |
885 | 0xffff, /* dst_mask */ | |
b34976b6 | 886 | FALSE), /* pcrel_offset */ |
252b5132 RH |
887 | |
888 | /* Like R_PPC_ADDR16_HA, but referring to the PLT table entry for | |
889 | the symbol. */ | |
890 | HOWTO (R_PPC_PLT16_HA, /* type */ | |
891 | 16, /* rightshift */ | |
892 | 1, /* size (0 = byte, 1 = short, 2 = long) */ | |
893 | 16, /* bitsize */ | |
b34976b6 | 894 | FALSE, /* pc_relative */ |
252b5132 RH |
895 | 0, /* bitpos */ |
896 | complain_overflow_bitfield, /* complain_on_overflow */ | |
897 | ppc_elf_addr16_ha_reloc, /* special_function */ | |
898 | "R_PPC_PLT16_HA", /* name */ | |
b34976b6 | 899 | FALSE, /* partial_inplace */ |
252b5132 RH |
900 | 0, /* src_mask */ |
901 | 0xffff, /* dst_mask */ | |
b34976b6 | 902 | FALSE), /* pcrel_offset */ |
252b5132 RH |
903 | |
904 | /* A sign-extended 16 bit value relative to _SDA_BASE_, for use with | |
905 | small data items. */ | |
906 | HOWTO (R_PPC_SDAREL16, /* type */ | |
907 | 0, /* rightshift */ | |
908 | 1, /* size (0 = byte, 1 = short, 2 = long) */ | |
909 | 16, /* bitsize */ | |
b34976b6 | 910 | FALSE, /* pc_relative */ |
252b5132 RH |
911 | 0, /* bitpos */ |
912 | complain_overflow_signed, /* complain_on_overflow */ | |
913 | bfd_elf_generic_reloc, /* special_function */ | |
914 | "R_PPC_SDAREL16", /* name */ | |
b34976b6 | 915 | FALSE, /* partial_inplace */ |
252b5132 RH |
916 | 0, /* src_mask */ |
917 | 0xffff, /* dst_mask */ | |
b34976b6 | 918 | FALSE), /* pcrel_offset */ |
252b5132 | 919 | |
c061c2d8 | 920 | /* 16-bit section relative relocation. */ |
252b5132 RH |
921 | HOWTO (R_PPC_SECTOFF, /* type */ |
922 | 0, /* rightshift */ | |
c061c2d8 AM |
923 | 1, /* size (0 = byte, 1 = short, 2 = long) */ |
924 | 16, /* bitsize */ | |
b34976b6 | 925 | FALSE, /* pc_relative */ |
252b5132 RH |
926 | 0, /* bitpos */ |
927 | complain_overflow_bitfield, /* complain_on_overflow */ | |
928 | bfd_elf_generic_reloc, /* special_function */ | |
929 | "R_PPC_SECTOFF", /* name */ | |
b34976b6 | 930 | FALSE, /* partial_inplace */ |
252b5132 | 931 | 0, /* src_mask */ |
c061c2d8 | 932 | 0xffff, /* dst_mask */ |
b34976b6 | 933 | FALSE), /* pcrel_offset */ |
252b5132 | 934 | |
c3668558 | 935 | /* 16-bit lower half section relative relocation. */ |
252b5132 RH |
936 | HOWTO (R_PPC_SECTOFF_LO, /* type */ |
937 | 0, /* rightshift */ | |
938 | 1, /* size (0 = byte, 1 = short, 2 = long) */ | |
939 | 16, /* bitsize */ | |
b34976b6 | 940 | FALSE, /* pc_relative */ |
252b5132 RH |
941 | 0, /* bitpos */ |
942 | complain_overflow_dont, /* complain_on_overflow */ | |
943 | bfd_elf_generic_reloc, /* special_function */ | |
944 | "R_PPC_SECTOFF_LO", /* name */ | |
b34976b6 | 945 | FALSE, /* partial_inplace */ |
252b5132 RH |
946 | 0, /* src_mask */ |
947 | 0xffff, /* dst_mask */ | |
b34976b6 | 948 | FALSE), /* pcrel_offset */ |
252b5132 | 949 | |
c3668558 | 950 | /* 16-bit upper half section relative relocation. */ |
252b5132 RH |
951 | HOWTO (R_PPC_SECTOFF_HI, /* type */ |
952 | 16, /* rightshift */ | |
953 | 1, /* size (0 = byte, 1 = short, 2 = long) */ | |
954 | 16, /* bitsize */ | |
b34976b6 | 955 | FALSE, /* pc_relative */ |
252b5132 RH |
956 | 0, /* bitpos */ |
957 | complain_overflow_bitfield, /* complain_on_overflow */ | |
958 | bfd_elf_generic_reloc, /* special_function */ | |
959 | "R_PPC_SECTOFF_HI", /* name */ | |
b34976b6 | 960 | FALSE, /* partial_inplace */ |
252b5132 RH |
961 | 0, /* src_mask */ |
962 | 0xffff, /* dst_mask */ | |
b34976b6 | 963 | FALSE), /* pcrel_offset */ |
252b5132 | 964 | |
c3668558 | 965 | /* 16-bit upper half adjusted section relative relocation. */ |
252b5132 RH |
966 | HOWTO (R_PPC_SECTOFF_HA, /* type */ |
967 | 16, /* rightshift */ | |
968 | 1, /* size (0 = byte, 1 = short, 2 = long) */ | |
969 | 16, /* bitsize */ | |
b34976b6 | 970 | FALSE, /* pc_relative */ |
252b5132 RH |
971 | 0, /* bitpos */ |
972 | complain_overflow_bitfield, /* complain_on_overflow */ | |
973 | ppc_elf_addr16_ha_reloc, /* special_function */ | |
974 | "R_PPC_SECTOFF_HA", /* name */ | |
b34976b6 | 975 | FALSE, /* partial_inplace */ |
252b5132 RH |
976 | 0, /* src_mask */ |
977 | 0xffff, /* dst_mask */ | |
b34976b6 | 978 | FALSE), /* pcrel_offset */ |
252b5132 | 979 | |
7619e7c7 AM |
980 | /* Marker reloc for TLS. */ |
981 | HOWTO (R_PPC_TLS, | |
252b5132 RH |
982 | 0, /* rightshift */ |
983 | 2, /* size (0 = byte, 1 = short, 2 = long) */ | |
984 | 32, /* bitsize */ | |
b34976b6 | 985 | FALSE, /* pc_relative */ |
252b5132 | 986 | 0, /* bitpos */ |
7619e7c7 | 987 | complain_overflow_dont, /* complain_on_overflow */ |
252b5132 | 988 | bfd_elf_generic_reloc, /* special_function */ |
7619e7c7 AM |
989 | "R_PPC_TLS", /* name */ |
990 | FALSE, /* partial_inplace */ | |
991 | 0, /* src_mask */ | |
992 | 0, /* dst_mask */ | |
993 | FALSE), /* pcrel_offset */ | |
994 | ||
995 | /* Computes the load module index of the load module that contains the | |
996 | definition of its TLS sym. */ | |
997 | HOWTO (R_PPC_DTPMOD32, | |
998 | 0, /* rightshift */ | |
999 | 2, /* size (0 = byte, 1 = short, 2 = long) */ | |
1000 | 32, /* bitsize */ | |
1001 | FALSE, /* pc_relative */ | |
1002 | 0, /* bitpos */ | |
1003 | complain_overflow_dont, /* complain_on_overflow */ | |
1004 | ppc_elf_unhandled_reloc, /* special_function */ | |
1005 | "R_PPC_DTPMOD32", /* name */ | |
b34976b6 | 1006 | FALSE, /* partial_inplace */ |
252b5132 RH |
1007 | 0, /* src_mask */ |
1008 | 0xffffffff, /* dst_mask */ | |
b34976b6 | 1009 | FALSE), /* pcrel_offset */ |
252b5132 | 1010 | |
7619e7c7 AM |
1011 | /* Computes a dtv-relative displacement, the difference between the value |
1012 | of sym+add and the base address of the thread-local storage block that | |
1013 | contains the definition of sym, minus 0x8000. */ | |
1014 | HOWTO (R_PPC_DTPREL32, | |
1015 | 0, /* rightshift */ | |
1016 | 2, /* size (0 = byte, 1 = short, 2 = long) */ | |
1017 | 32, /* bitsize */ | |
1018 | FALSE, /* pc_relative */ | |
1019 | 0, /* bitpos */ | |
1020 | complain_overflow_dont, /* complain_on_overflow */ | |
1021 | ppc_elf_unhandled_reloc, /* special_function */ | |
1022 | "R_PPC_DTPREL32", /* name */ | |
1023 | FALSE, /* partial_inplace */ | |
1024 | 0, /* src_mask */ | |
1025 | 0xffffffff, /* dst_mask */ | |
1026 | FALSE), /* pcrel_offset */ | |
1027 | ||
1028 | /* A 16 bit dtprel reloc. */ | |
1029 | HOWTO (R_PPC_DTPREL16, | |
252b5132 RH |
1030 | 0, /* rightshift */ |
1031 | 1, /* size (0 = byte, 1 = short, 2 = long) */ | |
1032 | 16, /* bitsize */ | |
b34976b6 | 1033 | FALSE, /* pc_relative */ |
252b5132 | 1034 | 0, /* bitpos */ |
7619e7c7 AM |
1035 | complain_overflow_signed, /* complain_on_overflow */ |
1036 | ppc_elf_unhandled_reloc, /* special_function */ | |
1037 | "R_PPC_DTPREL16", /* name */ | |
b34976b6 | 1038 | FALSE, /* partial_inplace */ |
252b5132 RH |
1039 | 0, /* src_mask */ |
1040 | 0xffff, /* dst_mask */ | |
b34976b6 | 1041 | FALSE), /* pcrel_offset */ |
252b5132 | 1042 | |
7619e7c7 AM |
1043 | /* Like DTPREL16, but no overflow. */ |
1044 | HOWTO (R_PPC_DTPREL16_LO, | |
252b5132 RH |
1045 | 0, /* rightshift */ |
1046 | 1, /* size (0 = byte, 1 = short, 2 = long) */ | |
1047 | 16, /* bitsize */ | |
b34976b6 | 1048 | FALSE, /* pc_relative */ |
252b5132 | 1049 | 0, /* bitpos */ |
7619e7c7 AM |
1050 | complain_overflow_dont, /* complain_on_overflow */ |
1051 | ppc_elf_unhandled_reloc, /* special_function */ | |
1052 | "R_PPC_DTPREL16_LO", /* name */ | |
b34976b6 | 1053 | FALSE, /* partial_inplace */ |
252b5132 RH |
1054 | 0, /* src_mask */ |
1055 | 0xffff, /* dst_mask */ | |
b34976b6 | 1056 | FALSE), /* pcrel_offset */ |
252b5132 | 1057 | |
7619e7c7 AM |
1058 | /* Like DTPREL16_LO, but next higher group of 16 bits. */ |
1059 | HOWTO (R_PPC_DTPREL16_HI, | |
252b5132 RH |
1060 | 16, /* rightshift */ |
1061 | 1, /* size (0 = byte, 1 = short, 2 = long) */ | |
1062 | 16, /* bitsize */ | |
b34976b6 | 1063 | FALSE, /* pc_relative */ |
252b5132 RH |
1064 | 0, /* bitpos */ |
1065 | complain_overflow_dont, /* complain_on_overflow */ | |
7619e7c7 AM |
1066 | ppc_elf_unhandled_reloc, /* special_function */ |
1067 | "R_PPC_DTPREL16_HI", /* name */ | |
b34976b6 | 1068 | FALSE, /* partial_inplace */ |
252b5132 RH |
1069 | 0, /* src_mask */ |
1070 | 0xffff, /* dst_mask */ | |
b34976b6 | 1071 | FALSE), /* pcrel_offset */ |
252b5132 | 1072 | |
7619e7c7 AM |
1073 | /* Like DTPREL16_HI, but adjust for low 16 bits. */ |
1074 | HOWTO (R_PPC_DTPREL16_HA, | |
252b5132 RH |
1075 | 16, /* rightshift */ |
1076 | 1, /* size (0 = byte, 1 = short, 2 = long) */ | |
1077 | 16, /* bitsize */ | |
b34976b6 | 1078 | FALSE, /* pc_relative */ |
252b5132 RH |
1079 | 0, /* bitpos */ |
1080 | complain_overflow_dont, /* complain_on_overflow */ | |
7619e7c7 AM |
1081 | ppc_elf_unhandled_reloc, /* special_function */ |
1082 | "R_PPC_DTPREL16_HA", /* name */ | |
b34976b6 | 1083 | FALSE, /* partial_inplace */ |
252b5132 RH |
1084 | 0, /* src_mask */ |
1085 | 0xffff, /* dst_mask */ | |
b34976b6 | 1086 | FALSE), /* pcrel_offset */ |
252b5132 | 1087 | |
7619e7c7 AM |
1088 | /* Computes a tp-relative displacement, the difference between the value of |
1089 | sym+add and the value of the thread pointer (r13). */ | |
1090 | HOWTO (R_PPC_TPREL32, | |
1091 | 0, /* rightshift */ | |
1092 | 2, /* size (0 = byte, 1 = short, 2 = long) */ | |
1093 | 32, /* bitsize */ | |
1094 | FALSE, /* pc_relative */ | |
1095 | 0, /* bitpos */ | |
1096 | complain_overflow_dont, /* complain_on_overflow */ | |
1097 | ppc_elf_unhandled_reloc, /* special_function */ | |
1098 | "R_PPC_TPREL32", /* name */ | |
1099 | FALSE, /* partial_inplace */ | |
1100 | 0, /* src_mask */ | |
1101 | 0xffffffff, /* dst_mask */ | |
1102 | FALSE), /* pcrel_offset */ | |
1103 | ||
1104 | /* A 16 bit tprel reloc. */ | |
1105 | HOWTO (R_PPC_TPREL16, | |
252b5132 RH |
1106 | 0, /* rightshift */ |
1107 | 1, /* size (0 = byte, 1 = short, 2 = long) */ | |
1108 | 16, /* bitsize */ | |
b34976b6 | 1109 | FALSE, /* pc_relative */ |
252b5132 | 1110 | 0, /* bitpos */ |
7619e7c7 AM |
1111 | complain_overflow_signed, /* complain_on_overflow */ |
1112 | ppc_elf_unhandled_reloc, /* special_function */ | |
1113 | "R_PPC_TPREL16", /* name */ | |
b34976b6 | 1114 | FALSE, /* partial_inplace */ |
252b5132 RH |
1115 | 0, /* src_mask */ |
1116 | 0xffff, /* dst_mask */ | |
b34976b6 | 1117 | FALSE), /* pcrel_offset */ |
252b5132 | 1118 | |
7619e7c7 AM |
1119 | /* Like TPREL16, but no overflow. */ |
1120 | HOWTO (R_PPC_TPREL16_LO, | |
252b5132 RH |
1121 | 0, /* rightshift */ |
1122 | 1, /* size (0 = byte, 1 = short, 2 = long) */ | |
1123 | 16, /* bitsize */ | |
b34976b6 | 1124 | FALSE, /* pc_relative */ |
252b5132 | 1125 | 0, /* bitpos */ |
7619e7c7 AM |
1126 | complain_overflow_dont, /* complain_on_overflow */ |
1127 | ppc_elf_unhandled_reloc, /* special_function */ | |
1128 | "R_PPC_TPREL16_LO", /* name */ | |
b34976b6 | 1129 | FALSE, /* partial_inplace */ |
252b5132 RH |
1130 | 0, /* src_mask */ |
1131 | 0xffff, /* dst_mask */ | |
b34976b6 | 1132 | FALSE), /* pcrel_offset */ |
252b5132 | 1133 | |
7619e7c7 AM |
1134 | /* Like TPREL16_LO, but next higher group of 16 bits. */ |
1135 | HOWTO (R_PPC_TPREL16_HI, | |
1136 | 16, /* rightshift */ | |
1137 | 1, /* size (0 = byte, 1 = short, 2 = long) */ | |
1138 | 16, /* bitsize */ | |
1139 | FALSE, /* pc_relative */ | |
1140 | 0, /* bitpos */ | |
1141 | complain_overflow_dont, /* complain_on_overflow */ | |
1142 | ppc_elf_unhandled_reloc, /* special_function */ | |
1143 | "R_PPC_TPREL16_HI", /* name */ | |
1144 | FALSE, /* partial_inplace */ | |
1145 | 0, /* src_mask */ | |
1146 | 0xffff, /* dst_mask */ | |
1147 | FALSE), /* pcrel_offset */ | |
1148 | ||
1149 | /* Like TPREL16_HI, but adjust for low 16 bits. */ | |
1150 | HOWTO (R_PPC_TPREL16_HA, | |
1151 | 16, /* rightshift */ | |
1152 | 1, /* size (0 = byte, 1 = short, 2 = long) */ | |
1153 | 16, /* bitsize */ | |
1154 | FALSE, /* pc_relative */ | |
1155 | 0, /* bitpos */ | |
1156 | complain_overflow_dont, /* complain_on_overflow */ | |
1157 | ppc_elf_unhandled_reloc, /* special_function */ | |
1158 | "R_PPC_TPREL16_HA", /* name */ | |
1159 | FALSE, /* partial_inplace */ | |
1160 | 0, /* src_mask */ | |
1161 | 0xffff, /* dst_mask */ | |
1162 | FALSE), /* pcrel_offset */ | |
1163 | ||
1164 | /* Allocates two contiguous entries in the GOT to hold a tls_index structure, | |
1165 | with values (sym+add)@dtpmod and (sym+add)@dtprel, and computes the offset | |
1166 | to the first entry. */ | |
1167 | HOWTO (R_PPC_GOT_TLSGD16, | |
252b5132 RH |
1168 | 0, /* rightshift */ |
1169 | 1, /* size (0 = byte, 1 = short, 2 = long) */ | |
1170 | 16, /* bitsize */ | |
b34976b6 | 1171 | FALSE, /* pc_relative */ |
252b5132 RH |
1172 | 0, /* bitpos */ |
1173 | complain_overflow_signed, /* complain_on_overflow */ | |
7619e7c7 AM |
1174 | ppc_elf_unhandled_reloc, /* special_function */ |
1175 | "R_PPC_GOT_TLSGD16", /* name */ | |
b34976b6 | 1176 | FALSE, /* partial_inplace */ |
252b5132 RH |
1177 | 0, /* src_mask */ |
1178 | 0xffff, /* dst_mask */ | |
b34976b6 | 1179 | FALSE), /* pcrel_offset */ |
252b5132 | 1180 | |
7619e7c7 AM |
1181 | /* Like GOT_TLSGD16, but no overflow. */ |
1182 | HOWTO (R_PPC_GOT_TLSGD16_LO, | |
252b5132 | 1183 | 0, /* rightshift */ |
7619e7c7 | 1184 | 1, /* size (0 = byte, 1 = short, 2 = long) */ |
252b5132 | 1185 | 16, /* bitsize */ |
b34976b6 | 1186 | FALSE, /* pc_relative */ |
252b5132 | 1187 | 0, /* bitpos */ |
7619e7c7 AM |
1188 | complain_overflow_dont, /* complain_on_overflow */ |
1189 | ppc_elf_unhandled_reloc, /* special_function */ | |
1190 | "R_PPC_GOT_TLSGD16_LO", /* name */ | |
b34976b6 | 1191 | FALSE, /* partial_inplace */ |
252b5132 RH |
1192 | 0, /* src_mask */ |
1193 | 0xffff, /* dst_mask */ | |
b34976b6 | 1194 | FALSE), /* pcrel_offset */ |
252b5132 | 1195 | |
7619e7c7 AM |
1196 | /* Like GOT_TLSGD16_LO, but next higher group of 16 bits. */ |
1197 | HOWTO (R_PPC_GOT_TLSGD16_HI, | |
1198 | 16, /* rightshift */ | |
1199 | 1, /* size (0 = byte, 1 = short, 2 = long) */ | |
1200 | 16, /* bitsize */ | |
1201 | FALSE, /* pc_relative */ | |
1202 | 0, /* bitpos */ | |
1203 | complain_overflow_dont, /* complain_on_overflow */ | |
1204 | ppc_elf_unhandled_reloc, /* special_function */ | |
1205 | "R_PPC_GOT_TLSGD16_HI", /* name */ | |
1206 | FALSE, /* partial_inplace */ | |
1207 | 0, /* src_mask */ | |
1208 | 0xffff, /* dst_mask */ | |
1209 | FALSE), /* pcrel_offset */ | |
252b5132 | 1210 | |
7619e7c7 AM |
1211 | /* Like GOT_TLSGD16_HI, but adjust for low 16 bits. */ |
1212 | HOWTO (R_PPC_GOT_TLSGD16_HA, | |
1213 | 16, /* rightshift */ | |
1214 | 1, /* size (0 = byte, 1 = short, 2 = long) */ | |
1215 | 16, /* bitsize */ | |
1216 | FALSE, /* pc_relative */ | |
1217 | 0, /* bitpos */ | |
1218 | complain_overflow_dont, /* complain_on_overflow */ | |
1219 | ppc_elf_unhandled_reloc, /* special_function */ | |
1220 | "R_PPC_GOT_TLSGD16_HA", /* name */ | |
1221 | FALSE, /* partial_inplace */ | |
1222 | 0, /* src_mask */ | |
1223 | 0xffff, /* dst_mask */ | |
1224 | FALSE), /* pcrel_offset */ | |
1225 | ||
1226 | /* Allocates two contiguous entries in the GOT to hold a tls_index structure, | |
1227 | with values (sym+add)@dtpmod and zero, and computes the offset to the | |
1228 | first entry. */ | |
1229 | HOWTO (R_PPC_GOT_TLSLD16, | |
252b5132 RH |
1230 | 0, /* rightshift */ |
1231 | 1, /* size (0 = byte, 1 = short, 2 = long) */ | |
1232 | 16, /* bitsize */ | |
7619e7c7 | 1233 | FALSE, /* pc_relative */ |
252b5132 RH |
1234 | 0, /* bitpos */ |
1235 | complain_overflow_signed, /* complain_on_overflow */ | |
7619e7c7 AM |
1236 | ppc_elf_unhandled_reloc, /* special_function */ |
1237 | "R_PPC_GOT_TLSLD16", /* name */ | |
b34976b6 | 1238 | FALSE, /* partial_inplace */ |
252b5132 RH |
1239 | 0, /* src_mask */ |
1240 | 0xffff, /* dst_mask */ | |
b34976b6 | 1241 | FALSE), /* pcrel_offset */ |
252b5132 | 1242 | |
7619e7c7 AM |
1243 | /* Like GOT_TLSLD16, but no overflow. */ |
1244 | HOWTO (R_PPC_GOT_TLSLD16_LO, | |
252b5132 | 1245 | 0, /* rightshift */ |
7619e7c7 AM |
1246 | 1, /* size (0 = byte, 1 = short, 2 = long) */ |
1247 | 16, /* bitsize */ | |
b34976b6 | 1248 | FALSE, /* pc_relative */ |
252b5132 RH |
1249 | 0, /* bitpos */ |
1250 | complain_overflow_dont, /* complain_on_overflow */ | |
7619e7c7 AM |
1251 | ppc_elf_unhandled_reloc, /* special_function */ |
1252 | "R_PPC_GOT_TLSLD16_LO", /* name */ | |
b34976b6 | 1253 | FALSE, /* partial_inplace */ |
252b5132 | 1254 | 0, /* src_mask */ |
7619e7c7 | 1255 | 0xffff, /* dst_mask */ |
b34976b6 | 1256 | FALSE), /* pcrel_offset */ |
252b5132 | 1257 | |
7619e7c7 AM |
1258 | /* Like GOT_TLSLD16_LO, but next higher group of 16 bits. */ |
1259 | HOWTO (R_PPC_GOT_TLSLD16_HI, | |
1260 | 16, /* rightshift */ | |
1261 | 1, /* size (0 = byte, 1 = short, 2 = long) */ | |
1262 | 16, /* bitsize */ | |
b34976b6 | 1263 | FALSE, /* pc_relative */ |
252b5132 RH |
1264 | 0, /* bitpos */ |
1265 | complain_overflow_dont, /* complain_on_overflow */ | |
7619e7c7 AM |
1266 | ppc_elf_unhandled_reloc, /* special_function */ |
1267 | "R_PPC_GOT_TLSLD16_HI", /* name */ | |
b34976b6 | 1268 | FALSE, /* partial_inplace */ |
252b5132 | 1269 | 0, /* src_mask */ |
7619e7c7 | 1270 | 0xffff, /* dst_mask */ |
b34976b6 | 1271 | FALSE), /* pcrel_offset */ |
252b5132 | 1272 | |
7619e7c7 AM |
1273 | /* Like GOT_TLSLD16_HI, but adjust for low 16 bits. */ |
1274 | HOWTO (R_PPC_GOT_TLSLD16_HA, | |
1275 | 16, /* rightshift */ | |
1276 | 1, /* size (0 = byte, 1 = short, 2 = long) */ | |
1277 | 16, /* bitsize */ | |
1278 | FALSE, /* pc_relative */ | |
1279 | 0, /* bitpos */ | |
1280 | complain_overflow_dont, /* complain_on_overflow */ | |
1281 | ppc_elf_unhandled_reloc, /* special_function */ | |
1282 | "R_PPC_GOT_TLSLD16_HA", /* name */ | |
1283 | FALSE, /* partial_inplace */ | |
1284 | 0, /* src_mask */ | |
1285 | 0xffff, /* dst_mask */ | |
1286 | FALSE), /* pcrel_offset */ | |
1287 | ||
1288 | /* Allocates an entry in the GOT with value (sym+add)@dtprel, and computes | |
1289 | the offset to the entry. */ | |
1290 | HOWTO (R_PPC_GOT_DTPREL16, | |
252b5132 RH |
1291 | 0, /* rightshift */ |
1292 | 1, /* size (0 = byte, 1 = short, 2 = long) */ | |
1293 | 16, /* bitsize */ | |
b34976b6 | 1294 | FALSE, /* pc_relative */ |
252b5132 RH |
1295 | 0, /* bitpos */ |
1296 | complain_overflow_signed, /* complain_on_overflow */ | |
7619e7c7 AM |
1297 | ppc_elf_unhandled_reloc, /* special_function */ |
1298 | "R_PPC_GOT_DTPREL16", /* name */ | |
b34976b6 | 1299 | FALSE, /* partial_inplace */ |
252b5132 RH |
1300 | 0, /* src_mask */ |
1301 | 0xffff, /* dst_mask */ | |
b34976b6 | 1302 | FALSE), /* pcrel_offset */ |
252b5132 | 1303 | |
7619e7c7 AM |
1304 | /* Like GOT_DTPREL16, but no overflow. */ |
1305 | HOWTO (R_PPC_GOT_DTPREL16_LO, | |
1306 | 0, /* rightshift */ | |
1307 | 1, /* size (0 = byte, 1 = short, 2 = long) */ | |
1308 | 16, /* bitsize */ | |
1309 | FALSE, /* pc_relative */ | |
1310 | 0, /* bitpos */ | |
1311 | complain_overflow_dont, /* complain_on_overflow */ | |
1312 | ppc_elf_unhandled_reloc, /* special_function */ | |
1313 | "R_PPC_GOT_DTPREL16_LO", /* name */ | |
1314 | FALSE, /* partial_inplace */ | |
1315 | 0, /* src_mask */ | |
1316 | 0xffff, /* dst_mask */ | |
1317 | FALSE), /* pcrel_offset */ | |
252b5132 | 1318 | |
7619e7c7 AM |
1319 | /* Like GOT_DTPREL16_LO, but next higher group of 16 bits. */ |
1320 | HOWTO (R_PPC_GOT_DTPREL16_HI, | |
1321 | 16, /* rightshift */ | |
1322 | 1, /* size (0 = byte, 1 = short, 2 = long) */ | |
1323 | 16, /* bitsize */ | |
1324 | FALSE, /* pc_relative */ | |
1325 | 0, /* bitpos */ | |
1326 | complain_overflow_dont, /* complain_on_overflow */ | |
1327 | ppc_elf_unhandled_reloc, /* special_function */ | |
1328 | "R_PPC_GOT_DTPREL16_HI", /* name */ | |
1329 | FALSE, /* partial_inplace */ | |
1330 | 0, /* src_mask */ | |
1331 | 0xffff, /* dst_mask */ | |
1332 | FALSE), /* pcrel_offset */ | |
252b5132 | 1333 | |
7619e7c7 AM |
1334 | /* Like GOT_DTPREL16_HI, but adjust for low 16 bits. */ |
1335 | HOWTO (R_PPC_GOT_DTPREL16_HA, | |
1336 | 16, /* rightshift */ | |
1337 | 1, /* size (0 = byte, 1 = short, 2 = long) */ | |
1338 | 16, /* bitsize */ | |
1339 | FALSE, /* pc_relative */ | |
1340 | 0, /* bitpos */ | |
1341 | complain_overflow_dont, /* complain_on_overflow */ | |
1342 | ppc_elf_unhandled_reloc, /* special_function */ | |
1343 | "R_PPC_GOT_DTPREL16_HA", /* name */ | |
1344 | FALSE, /* partial_inplace */ | |
1345 | 0, /* src_mask */ | |
1346 | 0xffff, /* dst_mask */ | |
1347 | FALSE), /* pcrel_offset */ | |
c3668558 | 1348 | |
7619e7c7 AM |
1349 | /* Allocates an entry in the GOT with value (sym+add)@tprel, and computes the |
1350 | offset to the entry. */ | |
1351 | HOWTO (R_PPC_GOT_TPREL16, | |
1352 | 0, /* rightshift */ | |
1353 | 1, /* size (0 = byte, 1 = short, 2 = long) */ | |
1354 | 16, /* bitsize */ | |
1355 | FALSE, /* pc_relative */ | |
1356 | 0, /* bitpos */ | |
1357 | complain_overflow_signed, /* complain_on_overflow */ | |
1358 | ppc_elf_unhandled_reloc, /* special_function */ | |
1359 | "R_PPC_GOT_TPREL16", /* name */ | |
1360 | FALSE, /* partial_inplace */ | |
1361 | 0, /* src_mask */ | |
1362 | 0xffff, /* dst_mask */ | |
1363 | FALSE), /* pcrel_offset */ | |
1364 | ||
1365 | /* Like GOT_TPREL16, but no overflow. */ | |
1366 | HOWTO (R_PPC_GOT_TPREL16_LO, | |
1367 | 0, /* rightshift */ | |
1368 | 1, /* size (0 = byte, 1 = short, 2 = long) */ | |
1369 | 16, /* bitsize */ | |
1370 | FALSE, /* pc_relative */ | |
1371 | 0, /* bitpos */ | |
1372 | complain_overflow_dont, /* complain_on_overflow */ | |
1373 | ppc_elf_unhandled_reloc, /* special_function */ | |
1374 | "R_PPC_GOT_TPREL16_LO", /* name */ | |
1375 | FALSE, /* partial_inplace */ | |
1376 | 0, /* src_mask */ | |
1377 | 0xffff, /* dst_mask */ | |
1378 | FALSE), /* pcrel_offset */ | |
1379 | ||
1380 | /* Like GOT_TPREL16_LO, but next higher group of 16 bits. */ | |
1381 | HOWTO (R_PPC_GOT_TPREL16_HI, | |
1382 | 16, /* rightshift */ | |
1383 | 1, /* size (0 = byte, 1 = short, 2 = long) */ | |
1384 | 16, /* bitsize */ | |
1385 | FALSE, /* pc_relative */ | |
1386 | 0, /* bitpos */ | |
1387 | complain_overflow_dont, /* complain_on_overflow */ | |
1388 | ppc_elf_unhandled_reloc, /* special_function */ | |
1389 | "R_PPC_GOT_TPREL16_HI", /* name */ | |
1390 | FALSE, /* partial_inplace */ | |
1391 | 0, /* src_mask */ | |
1392 | 0xffff, /* dst_mask */ | |
1393 | FALSE), /* pcrel_offset */ | |
1394 | ||
1395 | /* Like GOT_TPREL16_HI, but adjust for low 16 bits. */ | |
1396 | HOWTO (R_PPC_GOT_TPREL16_HA, | |
1397 | 16, /* rightshift */ | |
1398 | 1, /* size (0 = byte, 1 = short, 2 = long) */ | |
1399 | 16, /* bitsize */ | |
1400 | FALSE, /* pc_relative */ | |
1401 | 0, /* bitpos */ | |
1402 | complain_overflow_dont, /* complain_on_overflow */ | |
1403 | ppc_elf_unhandled_reloc, /* special_function */ | |
1404 | "R_PPC_GOT_TPREL16_HA", /* name */ | |
1405 | FALSE, /* partial_inplace */ | |
1406 | 0, /* src_mask */ | |
1407 | 0xffff, /* dst_mask */ | |
1408 | FALSE), /* pcrel_offset */ | |
1409 | ||
1410 | /* The remaining relocs are from the Embedded ELF ABI, and are not | |
1411 | in the SVR4 ELF ABI. */ | |
1412 | ||
1413 | /* 32 bit value resulting from the addend minus the symbol. */ | |
1414 | HOWTO (R_PPC_EMB_NADDR32, /* type */ | |
1415 | 0, /* rightshift */ | |
1416 | 2, /* size (0 = byte, 1 = short, 2 = long) */ | |
1417 | 32, /* bitsize */ | |
1418 | FALSE, /* pc_relative */ | |
1419 | 0, /* bitpos */ | |
1420 | complain_overflow_bitfield, /* complain_on_overflow */ | |
1421 | bfd_elf_generic_reloc, /* special_function */ | |
1422 | "R_PPC_EMB_NADDR32", /* name */ | |
1423 | FALSE, /* partial_inplace */ | |
1424 | 0, /* src_mask */ | |
1425 | 0xffffffff, /* dst_mask */ | |
1426 | FALSE), /* pcrel_offset */ | |
1427 | ||
1428 | /* 16 bit value resulting from the addend minus the symbol. */ | |
1429 | HOWTO (R_PPC_EMB_NADDR16, /* type */ | |
1430 | 0, /* rightshift */ | |
1431 | 1, /* size (0 = byte, 1 = short, 2 = long) */ | |
1432 | 16, /* bitsize */ | |
1433 | FALSE, /* pc_relative */ | |
1434 | 0, /* bitpos */ | |
1435 | complain_overflow_bitfield, /* complain_on_overflow */ | |
1436 | bfd_elf_generic_reloc, /* special_function */ | |
1437 | "R_PPC_EMB_NADDR16", /* name */ | |
1438 | FALSE, /* partial_inplace */ | |
1439 | 0, /* src_mask */ | |
1440 | 0xffff, /* dst_mask */ | |
1441 | FALSE), /* pcrel_offset */ | |
1442 | ||
1443 | /* 16 bit value resulting from the addend minus the symbol. */ | |
1444 | HOWTO (R_PPC_EMB_NADDR16_LO, /* type */ | |
1445 | 0, /* rightshift */ | |
1446 | 1, /* size (0 = byte, 1 = short, 2 = long) */ | |
1447 | 16, /* bitsize */ | |
1448 | FALSE, /* pc_relative */ | |
1449 | 0, /* bitpos */ | |
1450 | complain_overflow_dont,/* complain_on_overflow */ | |
1451 | bfd_elf_generic_reloc, /* special_function */ | |
1452 | "R_PPC_EMB_ADDR16_LO", /* name */ | |
1453 | FALSE, /* partial_inplace */ | |
1454 | 0, /* src_mask */ | |
1455 | 0xffff, /* dst_mask */ | |
1456 | FALSE), /* pcrel_offset */ | |
1457 | ||
1458 | /* The high order 16 bits of the addend minus the symbol. */ | |
1459 | HOWTO (R_PPC_EMB_NADDR16_HI, /* type */ | |
1460 | 16, /* rightshift */ | |
1461 | 1, /* size (0 = byte, 1 = short, 2 = long) */ | |
1462 | 16, /* bitsize */ | |
1463 | FALSE, /* pc_relative */ | |
1464 | 0, /* bitpos */ | |
1465 | complain_overflow_dont, /* complain_on_overflow */ | |
1466 | bfd_elf_generic_reloc, /* special_function */ | |
1467 | "R_PPC_EMB_NADDR16_HI", /* name */ | |
1468 | FALSE, /* partial_inplace */ | |
1469 | 0, /* src_mask */ | |
1470 | 0xffff, /* dst_mask */ | |
1471 | FALSE), /* pcrel_offset */ | |
1472 | ||
1473 | /* The high order 16 bits of the result of the addend minus the address, | |
1474 | plus 1 if the contents of the low 16 bits, treated as a signed number, | |
1475 | is negative. */ | |
1476 | HOWTO (R_PPC_EMB_NADDR16_HA, /* type */ | |
1477 | 16, /* rightshift */ | |
1478 | 1, /* size (0 = byte, 1 = short, 2 = long) */ | |
1479 | 16, /* bitsize */ | |
1480 | FALSE, /* pc_relative */ | |
1481 | 0, /* bitpos */ | |
1482 | complain_overflow_dont, /* complain_on_overflow */ | |
1483 | ppc_elf_addr16_ha_reloc, /* special_function */ | |
1484 | "R_PPC_EMB_NADDR16_HA", /* name */ | |
1485 | FALSE, /* partial_inplace */ | |
1486 | 0, /* src_mask */ | |
1487 | 0xffff, /* dst_mask */ | |
1488 | FALSE), /* pcrel_offset */ | |
1489 | ||
1490 | /* 16 bit value resulting from allocating a 4 byte word to hold an | |
1491 | address in the .sdata section, and returning the offset from | |
1492 | _SDA_BASE_ for that relocation. */ | |
1493 | HOWTO (R_PPC_EMB_SDAI16, /* type */ | |
1494 | 0, /* rightshift */ | |
1495 | 1, /* size (0 = byte, 1 = short, 2 = long) */ | |
1496 | 16, /* bitsize */ | |
1497 | FALSE, /* pc_relative */ | |
1498 | 0, /* bitpos */ | |
1499 | complain_overflow_bitfield, /* complain_on_overflow */ | |
1500 | bfd_elf_generic_reloc, /* special_function */ | |
1501 | "R_PPC_EMB_SDAI16", /* name */ | |
1502 | FALSE, /* partial_inplace */ | |
1503 | 0, /* src_mask */ | |
1504 | 0xffff, /* dst_mask */ | |
1505 | FALSE), /* pcrel_offset */ | |
1506 | ||
1507 | /* 16 bit value resulting from allocating a 4 byte word to hold an | |
1508 | address in the .sdata2 section, and returning the offset from | |
1509 | _SDA2_BASE_ for that relocation. */ | |
1510 | HOWTO (R_PPC_EMB_SDA2I16, /* type */ | |
1511 | 0, /* rightshift */ | |
1512 | 1, /* size (0 = byte, 1 = short, 2 = long) */ | |
1513 | 16, /* bitsize */ | |
1514 | FALSE, /* pc_relative */ | |
1515 | 0, /* bitpos */ | |
1516 | complain_overflow_bitfield, /* complain_on_overflow */ | |
1517 | bfd_elf_generic_reloc, /* special_function */ | |
1518 | "R_PPC_EMB_SDA2I16", /* name */ | |
1519 | FALSE, /* partial_inplace */ | |
1520 | 0, /* src_mask */ | |
1521 | 0xffff, /* dst_mask */ | |
1522 | FALSE), /* pcrel_offset */ | |
1523 | ||
1524 | /* A sign-extended 16 bit value relative to _SDA2_BASE_, for use with | |
1525 | small data items. */ | |
1526 | HOWTO (R_PPC_EMB_SDA2REL, /* type */ | |
1527 | 0, /* rightshift */ | |
1528 | 1, /* size (0 = byte, 1 = short, 2 = long) */ | |
1529 | 16, /* bitsize */ | |
1530 | FALSE, /* pc_relative */ | |
1531 | 0, /* bitpos */ | |
1532 | complain_overflow_signed, /* complain_on_overflow */ | |
1533 | bfd_elf_generic_reloc, /* special_function */ | |
1534 | "R_PPC_EMB_SDA2REL", /* name */ | |
1535 | FALSE, /* partial_inplace */ | |
1536 | 0, /* src_mask */ | |
1537 | 0xffff, /* dst_mask */ | |
1538 | FALSE), /* pcrel_offset */ | |
1539 | ||
1540 | /* Relocate against either _SDA_BASE_ or _SDA2_BASE_, filling in the 16 bit | |
1541 | signed offset from the appropriate base, and filling in the register | |
1542 | field with the appropriate register (0, 2, or 13). */ | |
1543 | HOWTO (R_PPC_EMB_SDA21, /* type */ | |
1544 | 0, /* rightshift */ | |
1545 | 2, /* size (0 = byte, 1 = short, 2 = long) */ | |
1546 | 16, /* bitsize */ | |
1547 | FALSE, /* pc_relative */ | |
1548 | 0, /* bitpos */ | |
1549 | complain_overflow_signed, /* complain_on_overflow */ | |
1550 | bfd_elf_generic_reloc, /* special_function */ | |
1551 | "R_PPC_EMB_SDA21", /* name */ | |
1552 | FALSE, /* partial_inplace */ | |
1553 | 0, /* src_mask */ | |
1554 | 0xffff, /* dst_mask */ | |
1555 | FALSE), /* pcrel_offset */ | |
1556 | ||
1557 | /* Relocation not handled: R_PPC_EMB_MRKREF */ | |
1558 | /* Relocation not handled: R_PPC_EMB_RELSEC16 */ | |
1559 | /* Relocation not handled: R_PPC_EMB_RELST_LO */ | |
1560 | /* Relocation not handled: R_PPC_EMB_RELST_HI */ | |
1561 | /* Relocation not handled: R_PPC_EMB_RELST_HA */ | |
1562 | /* Relocation not handled: R_PPC_EMB_BIT_FLD */ | |
1563 | ||
1564 | /* PC relative relocation against either _SDA_BASE_ or _SDA2_BASE_, filling | |
1565 | in the 16 bit signed offset from the appropriate base, and filling in the | |
1566 | register field with the appropriate register (0, 2, or 13). */ | |
1567 | HOWTO (R_PPC_EMB_RELSDA, /* type */ | |
1568 | 0, /* rightshift */ | |
1569 | 1, /* size (0 = byte, 1 = short, 2 = long) */ | |
1570 | 16, /* bitsize */ | |
1571 | TRUE, /* pc_relative */ | |
1572 | 0, /* bitpos */ | |
1573 | complain_overflow_signed, /* complain_on_overflow */ | |
1574 | bfd_elf_generic_reloc, /* special_function */ | |
1575 | "R_PPC_EMB_RELSDA", /* name */ | |
1576 | FALSE, /* partial_inplace */ | |
1577 | 0, /* src_mask */ | |
1578 | 0xffff, /* dst_mask */ | |
1579 | FALSE), /* pcrel_offset */ | |
1580 | ||
1581 | /* GNU extension to record C++ vtable hierarchy. */ | |
1582 | HOWTO (R_PPC_GNU_VTINHERIT, /* type */ | |
1583 | 0, /* rightshift */ | |
1584 | 0, /* size (0 = byte, 1 = short, 2 = long) */ | |
1585 | 0, /* bitsize */ | |
1586 | FALSE, /* pc_relative */ | |
1587 | 0, /* bitpos */ | |
1588 | complain_overflow_dont, /* complain_on_overflow */ | |
1589 | NULL, /* special_function */ | |
1590 | "R_PPC_GNU_VTINHERIT", /* name */ | |
1591 | FALSE, /* partial_inplace */ | |
1592 | 0, /* src_mask */ | |
1593 | 0, /* dst_mask */ | |
1594 | FALSE), /* pcrel_offset */ | |
1595 | ||
1596 | /* GNU extension to record C++ vtable member usage. */ | |
1597 | HOWTO (R_PPC_GNU_VTENTRY, /* type */ | |
1598 | 0, /* rightshift */ | |
1599 | 0, /* size (0 = byte, 1 = short, 2 = long) */ | |
1600 | 0, /* bitsize */ | |
1601 | FALSE, /* pc_relative */ | |
1602 | 0, /* bitpos */ | |
1603 | complain_overflow_dont, /* complain_on_overflow */ | |
1604 | NULL, /* special_function */ | |
1605 | "R_PPC_GNU_VTENTRY", /* name */ | |
1606 | FALSE, /* partial_inplace */ | |
1607 | 0, /* src_mask */ | |
1608 | 0, /* dst_mask */ | |
1609 | FALSE), /* pcrel_offset */ | |
1610 | ||
1611 | /* Phony reloc to handle AIX style TOC entries. */ | |
1612 | HOWTO (R_PPC_TOC16, /* type */ | |
1613 | 0, /* rightshift */ | |
1614 | 1, /* size (0 = byte, 1 = short, 2 = long) */ | |
1615 | 16, /* bitsize */ | |
1616 | FALSE, /* pc_relative */ | |
1617 | 0, /* bitpos */ | |
1618 | complain_overflow_signed, /* complain_on_overflow */ | |
1619 | bfd_elf_generic_reloc, /* special_function */ | |
1620 | "R_PPC_TOC16", /* name */ | |
1621 | FALSE, /* partial_inplace */ | |
1622 | 0, /* src_mask */ | |
1623 | 0xffff, /* dst_mask */ | |
1624 | FALSE), /* pcrel_offset */ | |
1625 | }; | |
1626 | \f | |
1627 | /* Initialize the ppc_elf_howto_table, so that linear accesses can be done. */ | |
1628 | ||
1629 | static void | |
1630 | ppc_elf_howto_init () | |
1631 | { | |
1632 | unsigned int i, type; | |
1633 | ||
fc0bffd6 AM |
1634 | for (i = 0; |
1635 | i < sizeof (ppc_elf_howto_raw) / sizeof (ppc_elf_howto_raw[0]); | |
1636 | i++) | |
7619e7c7 AM |
1637 | { |
1638 | type = ppc_elf_howto_raw[i].type; | |
fc0bffd6 AM |
1639 | if (type >= (sizeof (ppc_elf_howto_table) |
1640 | / sizeof (ppc_elf_howto_table[0]))) | |
1641 | abort (); | |
7619e7c7 AM |
1642 | ppc_elf_howto_table[type] = &ppc_elf_howto_raw[i]; |
1643 | } | |
1644 | } | |
1645 | \f | |
1646 | /* This function handles relaxing for the PPC with option --mpc860c0[=<n>]. | |
1647 | ||
1648 | The MPC860, revision C0 or earlier contains a bug in the die. | |
1649 | If all of the following conditions are true, the next instruction | |
1650 | to be executed *may* be treated as a no-op. | |
1651 | 1/ A forward branch is executed. | |
1652 | 2/ The branch is predicted as not taken. | |
1653 | 3/ The branch is taken. | |
1654 | 4/ The branch is located in the last 5 words of a page. | |
fc0bffd6 AM |
1655 | (The EOP limit is 5 by default but may be specified as any value |
1656 | from 1-10.) | |
7619e7c7 AM |
1657 | |
1658 | Our software solution is to detect these problematic branches in a | |
1659 | linker pass and modify them as follows: | |
1660 | 1/ Unconditional branches - Since these are always predicted taken, | |
252b5132 RH |
1661 | there is no problem and no action is required. |
1662 | 2/ Conditional backward branches - No problem, no action required. | |
1663 | 3/ Conditional forward branches - Ensure that the "inverse prediction | |
1664 | bit" is set (ensure it is predicted taken). | |
1665 | 4/ Conditional register branches - Ensure that the "y bit" is set | |
ae9a127f | 1666 | (ensure it is predicted taken). */ |
252b5132 RH |
1667 | |
1668 | /* Sort sections by address. */ | |
1669 | ||
1670 | static int | |
1671 | ppc_elf_sort_rela (arg1, arg2) | |
a7b97311 AM |
1672 | const PTR arg1; |
1673 | const PTR arg2; | |
252b5132 RH |
1674 | { |
1675 | const Elf_Internal_Rela **rela1 = (const Elf_Internal_Rela**) arg1; | |
1676 | const Elf_Internal_Rela **rela2 = (const Elf_Internal_Rela**) arg2; | |
1677 | ||
c3668558 | 1678 | /* Sort by offset. */ |
252b5132 RH |
1679 | return ((*rela1)->r_offset - (*rela2)->r_offset); |
1680 | } | |
1681 | ||
b34976b6 | 1682 | static bfd_boolean |
252b5132 | 1683 | ppc_elf_relax_section (abfd, isec, link_info, again) |
8da6118f KH |
1684 | bfd *abfd; |
1685 | asection *isec; | |
1686 | struct bfd_link_info *link_info; | |
b34976b6 | 1687 | bfd_boolean *again; |
252b5132 RH |
1688 | { |
1689 | #define PAGESIZE 0x1000 | |
1690 | ||
1691 | bfd_byte *contents = NULL; | |
1692 | bfd_byte *free_contents = NULL; | |
1693 | Elf_Internal_Rela *internal_relocs = NULL; | |
1694 | Elf_Internal_Rela *free_relocs = NULL; | |
1695 | Elf_Internal_Rela **rela_comb = NULL; | |
1696 | int comb_curr, comb_count; | |
1697 | ||
c3668558 | 1698 | /* We never have to do this more than once per input section. */ |
b34976b6 | 1699 | *again = FALSE; |
252b5132 RH |
1700 | |
1701 | /* If needed, initialize this section's cooked size. */ | |
1702 | if (isec->_cooked_size == 0) | |
70bccea4 | 1703 | isec->_cooked_size = isec->_raw_size; |
252b5132 RH |
1704 | |
1705 | /* We're only interested in text sections which overlap the | |
8da6118f | 1706 | troublesome area at the end of a page. */ |
252b5132 RH |
1707 | if (link_info->mpc860c0 && (isec->flags & SEC_CODE) && isec->_cooked_size) |
1708 | { | |
1709 | bfd_vma dot, end_page, end_section; | |
b34976b6 | 1710 | bfd_boolean section_modified; |
252b5132 | 1711 | |
c3668558 | 1712 | /* Get the section contents. */ |
252b5132 RH |
1713 | /* Get cached copy if it exists. */ |
1714 | if (elf_section_data (isec)->this_hdr.contents != NULL) | |
70bccea4 | 1715 | contents = elf_section_data (isec)->this_hdr.contents; |
252b5132 RH |
1716 | else |
1717 | { | |
1718 | /* Go get them off disk. */ | |
1719 | contents = (bfd_byte *) bfd_malloc (isec->_raw_size); | |
1720 | if (contents == NULL) | |
8da6118f | 1721 | goto error_return; |
252b5132 RH |
1722 | free_contents = contents; |
1723 | ||
1724 | if (! bfd_get_section_contents (abfd, isec, contents, | |
1725 | (file_ptr) 0, isec->_raw_size)) | |
8da6118f | 1726 | goto error_return; |
252b5132 RH |
1727 | } |
1728 | ||
1729 | comb_curr = 0; | |
1730 | comb_count = 0; | |
1731 | if (isec->reloc_count) | |
8da6118f | 1732 | { |
70bccea4 | 1733 | unsigned n; |
dc810e39 | 1734 | bfd_size_type amt; |
252b5132 | 1735 | |
70bccea4 AM |
1736 | /* Get a copy of the native relocations. */ |
1737 | internal_relocs | |
1738 | = _bfd_elf32_link_read_relocs (abfd, isec, (PTR) NULL, | |
1739 | (Elf_Internal_Rela *) NULL, | |
1740 | link_info->keep_memory); | |
1741 | if (internal_relocs == NULL) | |
1742 | goto error_return; | |
1743 | if (! link_info->keep_memory) | |
1744 | free_relocs = internal_relocs; | |
c3668558 | 1745 | |
70bccea4 | 1746 | /* Setup a faster access method for the reloc info we need. */ |
dc810e39 AM |
1747 | amt = isec->reloc_count; |
1748 | amt *= sizeof (Elf_Internal_Rela*); | |
70bccea4 AM |
1749 | rela_comb = (Elf_Internal_Rela**) bfd_malloc (amt); |
1750 | if (rela_comb == NULL) | |
1751 | goto error_return; | |
1752 | for (n = 0; n < isec->reloc_count; ++n) | |
1753 | { | |
1754 | long r_type; | |
1755 | ||
1756 | r_type = ELF32_R_TYPE (internal_relocs[n].r_info); | |
1757 | if (r_type < 0 || r_type >= (int) R_PPC_max) | |
1758 | goto error_return; | |
1759 | ||
1760 | /* Prologue constants are sometimes present in the ".text" | |
1761 | sections and they can be identified by their associated | |
1762 | relocation. We don't want to process those words and | |
1763 | some others which can also be identified by their | |
1764 | relocations. However, not all conditional branches will | |
1765 | have a relocation so we will only ignore words that | |
1766 | 1) have a reloc, and 2) the reloc is not applicable to a | |
1767 | conditional branch. The array rela_comb is built here | |
1768 | for use in the EOP scan loop. */ | |
1769 | switch (r_type) | |
1770 | { | |
1771 | case R_PPC_ADDR14_BRNTAKEN: | |
1772 | case R_PPC_REL14: | |
1773 | case R_PPC_REL14_BRNTAKEN: | |
1774 | /* We should check the instruction. */ | |
1775 | break; | |
1776 | default: | |
1777 | /* The word is not a conditional branch - ignore it. */ | |
1778 | rela_comb[comb_count++] = &internal_relocs[n]; | |
1779 | break; | |
1780 | } | |
1781 | } | |
1782 | if (comb_count > 1) | |
1783 | qsort (rela_comb, (size_t) comb_count, sizeof (int), | |
1784 | ppc_elf_sort_rela); | |
8da6118f | 1785 | } |
252b5132 | 1786 | |
c3668558 | 1787 | /* Enumerate each EOP region that overlaps this section. */ |
252b5132 RH |
1788 | end_section = isec->vma + isec->_cooked_size; |
1789 | dot = end_page = (isec->vma | (PAGESIZE - 1)) + 1; | |
1790 | dot -= link_info->mpc860c0; | |
b34976b6 | 1791 | section_modified = FALSE; |
70bccea4 AM |
1792 | /* Increment the start position if this section begins in the |
1793 | middle of its first EOP region. */ | |
1794 | if (dot < isec->vma) | |
1795 | dot = isec->vma; | |
252b5132 | 1796 | for (; |
70bccea4 AM |
1797 | dot < end_section; |
1798 | dot += PAGESIZE, end_page += PAGESIZE) | |
1799 | { | |
1800 | /* Check each word in this EOP region. */ | |
1801 | for (; dot < end_page; dot += 4) | |
1802 | { | |
1803 | bfd_vma isec_offset; | |
1804 | unsigned long insn; | |
1805 | bfd_boolean skip, modified; | |
1806 | ||
1807 | /* Don't process this word if there is a relocation for it | |
1808 | and the relocation indicates the word is not a | |
1809 | conditional branch. */ | |
1810 | skip = FALSE; | |
1811 | isec_offset = dot - isec->vma; | |
1812 | for (; comb_curr<comb_count; ++comb_curr) | |
1813 | { | |
1814 | bfd_vma r_offset; | |
1815 | ||
1816 | r_offset = rela_comb[comb_curr]->r_offset; | |
1817 | if (r_offset >= isec_offset) | |
1818 | { | |
1819 | if (r_offset == isec_offset) skip = TRUE; | |
1820 | break; | |
1821 | } | |
1822 | } | |
1823 | if (skip) continue; | |
1824 | ||
1825 | /* Check the current word for a problematic conditional | |
1826 | branch. */ | |
252b5132 RH |
1827 | #define BO0(insn) ((insn) & 0x02000000) |
1828 | #define BO2(insn) ((insn) & 0x00800000) | |
1829 | #define BO4(insn) ((insn) & 0x00200000) | |
70bccea4 AM |
1830 | insn = (unsigned long) bfd_get_32 (abfd, contents + isec_offset); |
1831 | modified = FALSE; | |
1832 | if ((insn & 0xFc000000) == 0x40000000) | |
1833 | { | |
1834 | /* Instruction is BCx */ | |
1835 | if ((!BO0(insn) || !BO2(insn)) && !BO4(insn)) | |
1836 | { | |
1837 | bfd_vma target; | |
252b5132 | 1838 | |
70bccea4 AM |
1839 | /* This branch is predicted as "normal". |
1840 | If this is a forward branch, it is problematic. */ | |
1841 | target = insn & 0x0000Fffc; | |
1842 | target = (target ^ 0x8000) - 0x8000; | |
1843 | if ((insn & 0x00000002) == 0) | |
1844 | /* Convert to abs. */ | |
1845 | target += dot; | |
1846 | if (target > dot) | |
1847 | { | |
1848 | /* Set the prediction bit. */ | |
1849 | insn |= 0x00200000; | |
1850 | modified = TRUE; | |
1851 | } | |
1852 | } | |
1853 | } | |
1854 | else if ((insn & 0xFc00Fffe) == 0x4c000420) | |
1855 | { | |
1856 | /* Instruction is BCCTRx. */ | |
1857 | if ((!BO0(insn) || !BO2(insn)) && !BO4(insn)) | |
252b5132 RH |
1858 | { |
1859 | /* This branch is predicted as not-taken. | |
ae9a127f | 1860 | If this is a forward branch, it is problematic. |
70bccea4 AM |
1861 | Since we can't tell statically if it will branch |
1862 | forward, always set the prediction bit. */ | |
1863 | insn |= 0x00200000; | |
1864 | modified = TRUE; | |
252b5132 | 1865 | } |
70bccea4 AM |
1866 | } |
1867 | else if ((insn & 0xFc00Fffe) == 0x4c000020) | |
1868 | { | |
1869 | /* Instruction is BCLRx */ | |
1870 | if ((!BO0(insn) || !BO2(insn)) && !BO4(insn)) | |
252b5132 RH |
1871 | { |
1872 | /* This branch is predicted as not-taken. | |
ae9a127f | 1873 | If this is a forward branch, it is problematic. |
70bccea4 AM |
1874 | Since we can't tell statically if it will branch |
1875 | forward, always set the prediction bit. */ | |
1876 | insn |= 0x00200000; | |
1877 | modified = TRUE; | |
252b5132 | 1878 | } |
70bccea4 | 1879 | } |
252b5132 RH |
1880 | #undef BO0 |
1881 | #undef BO2 | |
1882 | #undef BO4 | |
70bccea4 AM |
1883 | if (modified) |
1884 | { | |
1885 | bfd_put_32 (abfd, (bfd_vma) insn, contents + isec_offset); | |
b34976b6 | 1886 | section_modified = TRUE; |
70bccea4 AM |
1887 | } |
1888 | } | |
1889 | } | |
252b5132 RH |
1890 | if (section_modified) |
1891 | { | |
1892 | elf_section_data (isec)->this_hdr.contents = contents; | |
1893 | free_contents = NULL; | |
1894 | } | |
1895 | } | |
1896 | ||
1897 | if (rela_comb != NULL) | |
1898 | { | |
1899 | free (rela_comb); | |
1900 | rela_comb = NULL; | |
1901 | } | |
1902 | ||
1903 | if (free_relocs != NULL) | |
1904 | { | |
1905 | free (free_relocs); | |
1906 | free_relocs = NULL; | |
1907 | } | |
1908 | ||
1909 | if (free_contents != NULL) | |
1910 | { | |
1911 | if (! link_info->keep_memory) | |
1912 | free (free_contents); | |
1913 | else | |
1914 | { | |
1915 | /* Cache the section contents for elf_link_input_bfd. */ | |
1916 | elf_section_data (isec)->this_hdr.contents = contents; | |
1917 | } | |
1918 | free_contents = NULL; | |
1919 | } | |
1920 | ||
b34976b6 | 1921 | return TRUE; |
252b5132 | 1922 | |
70bccea4 | 1923 | error_return: |
252b5132 RH |
1924 | if (rela_comb != NULL) |
1925 | free (rela_comb); | |
1926 | if (free_relocs != NULL) | |
1927 | free (free_relocs); | |
1928 | if (free_contents != NULL) | |
1929 | free (free_contents); | |
b34976b6 | 1930 | return FALSE; |
252b5132 | 1931 | } |
252b5132 RH |
1932 | \f |
1933 | static reloc_howto_type * | |
1934 | ppc_elf_reloc_type_lookup (abfd, code) | |
5f771d47 | 1935 | bfd *abfd ATTRIBUTE_UNUSED; |
252b5132 RH |
1936 | bfd_reloc_code_real_type code; |
1937 | { | |
7619e7c7 | 1938 | enum elf_ppc_reloc_type r; |
252b5132 RH |
1939 | |
1940 | if (!ppc_elf_howto_table[R_PPC_ADDR32]) | |
8da6118f | 1941 | /* Initialize howto table if needed. */ |
252b5132 RH |
1942 | ppc_elf_howto_init (); |
1943 | ||
8da6118f | 1944 | switch ((int) code) |
252b5132 RH |
1945 | { |
1946 | default: | |
8da6118f | 1947 | return (reloc_howto_type *) NULL; |
252b5132 | 1948 | |
7619e7c7 AM |
1949 | case BFD_RELOC_NONE: r = R_PPC_NONE; break; |
1950 | case BFD_RELOC_32: r = R_PPC_ADDR32; break; | |
1951 | case BFD_RELOC_PPC_BA26: r = R_PPC_ADDR24; break; | |
1952 | case BFD_RELOC_16: r = R_PPC_ADDR16; break; | |
1953 | case BFD_RELOC_LO16: r = R_PPC_ADDR16_LO; break; | |
1954 | case BFD_RELOC_HI16: r = R_PPC_ADDR16_HI; break; | |
1955 | case BFD_RELOC_HI16_S: r = R_PPC_ADDR16_HA; break; | |
1956 | case BFD_RELOC_PPC_BA16: r = R_PPC_ADDR14; break; | |
1957 | case BFD_RELOC_PPC_BA16_BRTAKEN: r = R_PPC_ADDR14_BRTAKEN; break; | |
1958 | case BFD_RELOC_PPC_BA16_BRNTAKEN: r = R_PPC_ADDR14_BRNTAKEN; break; | |
1959 | case BFD_RELOC_PPC_B26: r = R_PPC_REL24; break; | |
1960 | case BFD_RELOC_PPC_B16: r = R_PPC_REL14; break; | |
1961 | case BFD_RELOC_PPC_B16_BRTAKEN: r = R_PPC_REL14_BRTAKEN; break; | |
1962 | case BFD_RELOC_PPC_B16_BRNTAKEN: r = R_PPC_REL14_BRNTAKEN; break; | |
1963 | case BFD_RELOC_16_GOTOFF: r = R_PPC_GOT16; break; | |
1964 | case BFD_RELOC_LO16_GOTOFF: r = R_PPC_GOT16_LO; break; | |
1965 | case BFD_RELOC_HI16_GOTOFF: r = R_PPC_GOT16_HI; break; | |
1966 | case BFD_RELOC_HI16_S_GOTOFF: r = R_PPC_GOT16_HA; break; | |
1967 | case BFD_RELOC_24_PLT_PCREL: r = R_PPC_PLTREL24; break; | |
1968 | case BFD_RELOC_PPC_COPY: r = R_PPC_COPY; break; | |
1969 | case BFD_RELOC_PPC_GLOB_DAT: r = R_PPC_GLOB_DAT; break; | |
1970 | case BFD_RELOC_PPC_LOCAL24PC: r = R_PPC_LOCAL24PC; break; | |
1971 | case BFD_RELOC_32_PCREL: r = R_PPC_REL32; break; | |
1972 | case BFD_RELOC_32_PLTOFF: r = R_PPC_PLT32; break; | |
1973 | case BFD_RELOC_32_PLT_PCREL: r = R_PPC_PLTREL32; break; | |
1974 | case BFD_RELOC_LO16_PLTOFF: r = R_PPC_PLT16_LO; break; | |
1975 | case BFD_RELOC_HI16_PLTOFF: r = R_PPC_PLT16_HI; break; | |
1976 | case BFD_RELOC_HI16_S_PLTOFF: r = R_PPC_PLT16_HA; break; | |
1977 | case BFD_RELOC_GPREL16: r = R_PPC_SDAREL16; break; | |
1978 | case BFD_RELOC_16_BASEREL: r = R_PPC_SECTOFF; break; | |
1979 | case BFD_RELOC_LO16_BASEREL: r = R_PPC_SECTOFF_LO; break; | |
1980 | case BFD_RELOC_HI16_BASEREL: r = R_PPC_SECTOFF_HI; break; | |
1981 | case BFD_RELOC_HI16_S_BASEREL: r = R_PPC_SECTOFF_HA; break; | |
1982 | case BFD_RELOC_CTOR: r = R_PPC_ADDR32; break; | |
1983 | case BFD_RELOC_PPC_TOC16: r = R_PPC_TOC16; break; | |
1984 | case BFD_RELOC_PPC_TLS: r = R_PPC_TLS; break; | |
1985 | case BFD_RELOC_PPC_DTPMOD: r = R_PPC_DTPMOD32; break; | |
1986 | case BFD_RELOC_PPC_TPREL16: r = R_PPC_TPREL16; break; | |
1987 | case BFD_RELOC_PPC_TPREL16_LO: r = R_PPC_TPREL16_LO; break; | |
1988 | case BFD_RELOC_PPC_TPREL16_HI: r = R_PPC_TPREL16_HI; break; | |
1989 | case BFD_RELOC_PPC_TPREL16_HA: r = R_PPC_TPREL16_HA; break; | |
1990 | case BFD_RELOC_PPC_TPREL: r = R_PPC_TPREL32; break; | |
1991 | case BFD_RELOC_PPC_DTPREL16: r = R_PPC_DTPREL16; break; | |
1992 | case BFD_RELOC_PPC_DTPREL16_LO: r = R_PPC_DTPREL16_LO; break; | |
1993 | case BFD_RELOC_PPC_DTPREL16_HI: r = R_PPC_DTPREL16_HI; break; | |
1994 | case BFD_RELOC_PPC_DTPREL16_HA: r = R_PPC_DTPREL16_HA; break; | |
1995 | case BFD_RELOC_PPC_DTPREL: r = R_PPC_DTPREL32; break; | |
1996 | case BFD_RELOC_PPC_GOT_TLSGD16: r = R_PPC_GOT_TLSGD16; break; | |
1997 | case BFD_RELOC_PPC_GOT_TLSGD16_LO: r = R_PPC_GOT_TLSGD16_LO; break; | |
1998 | case BFD_RELOC_PPC_GOT_TLSGD16_HI: r = R_PPC_GOT_TLSGD16_HI; break; | |
1999 | case BFD_RELOC_PPC_GOT_TLSGD16_HA: r = R_PPC_GOT_TLSGD16_HA; break; | |
2000 | case BFD_RELOC_PPC_GOT_TLSLD16: r = R_PPC_GOT_TLSLD16; break; | |
2001 | case BFD_RELOC_PPC_GOT_TLSLD16_LO: r = R_PPC_GOT_TLSLD16_LO; break; | |
2002 | case BFD_RELOC_PPC_GOT_TLSLD16_HI: r = R_PPC_GOT_TLSLD16_HI; break; | |
2003 | case BFD_RELOC_PPC_GOT_TLSLD16_HA: r = R_PPC_GOT_TLSLD16_HA; break; | |
2004 | case BFD_RELOC_PPC_GOT_TPREL16: r = R_PPC_GOT_TPREL16; break; | |
2005 | case BFD_RELOC_PPC_GOT_TPREL16_LO: r = R_PPC_GOT_TPREL16_LO; break; | |
2006 | case BFD_RELOC_PPC_GOT_TPREL16_HI: r = R_PPC_GOT_TPREL16_HI; break; | |
2007 | case BFD_RELOC_PPC_GOT_TPREL16_HA: r = R_PPC_GOT_TPREL16_HA; break; | |
2008 | case BFD_RELOC_PPC_GOT_DTPREL16: r = R_PPC_GOT_DTPREL16; break; | |
2009 | case BFD_RELOC_PPC_GOT_DTPREL16_LO: r = R_PPC_GOT_DTPREL16_LO; break; | |
2010 | case BFD_RELOC_PPC_GOT_DTPREL16_HI: r = R_PPC_GOT_DTPREL16_HI; break; | |
2011 | case BFD_RELOC_PPC_GOT_DTPREL16_HA: r = R_PPC_GOT_DTPREL16_HA; break; | |
2012 | case BFD_RELOC_PPC_EMB_NADDR32: r = R_PPC_EMB_NADDR32; break; | |
2013 | case BFD_RELOC_PPC_EMB_NADDR16: r = R_PPC_EMB_NADDR16; break; | |
2014 | case BFD_RELOC_PPC_EMB_NADDR16_LO: r = R_PPC_EMB_NADDR16_LO; break; | |
2015 | case BFD_RELOC_PPC_EMB_NADDR16_HI: r = R_PPC_EMB_NADDR16_HI; break; | |
2016 | case BFD_RELOC_PPC_EMB_NADDR16_HA: r = R_PPC_EMB_NADDR16_HA; break; | |
2017 | case BFD_RELOC_PPC_EMB_SDAI16: r = R_PPC_EMB_SDAI16; break; | |
2018 | case BFD_RELOC_PPC_EMB_SDA2I16: r = R_PPC_EMB_SDA2I16; break; | |
2019 | case BFD_RELOC_PPC_EMB_SDA2REL: r = R_PPC_EMB_SDA2REL; break; | |
2020 | case BFD_RELOC_PPC_EMB_SDA21: r = R_PPC_EMB_SDA21; break; | |
2021 | case BFD_RELOC_PPC_EMB_MRKREF: r = R_PPC_EMB_MRKREF; break; | |
2022 | case BFD_RELOC_PPC_EMB_RELSEC16: r = R_PPC_EMB_RELSEC16; break; | |
2023 | case BFD_RELOC_PPC_EMB_RELST_LO: r = R_PPC_EMB_RELST_LO; break; | |
2024 | case BFD_RELOC_PPC_EMB_RELST_HI: r = R_PPC_EMB_RELST_HI; break; | |
2025 | case BFD_RELOC_PPC_EMB_RELST_HA: r = R_PPC_EMB_RELST_HA; break; | |
2026 | case BFD_RELOC_PPC_EMB_BIT_FLD: r = R_PPC_EMB_BIT_FLD; break; | |
2027 | case BFD_RELOC_PPC_EMB_RELSDA: r = R_PPC_EMB_RELSDA; break; | |
2028 | case BFD_RELOC_VTABLE_INHERIT: r = R_PPC_GNU_VTINHERIT; break; | |
2029 | case BFD_RELOC_VTABLE_ENTRY: r = R_PPC_GNU_VTENTRY; break; | |
252b5132 RH |
2030 | } |
2031 | ||
7619e7c7 | 2032 | return ppc_elf_howto_table[(int) r]; |
252b5132 RH |
2033 | }; |
2034 | ||
2035 | /* Set the howto pointer for a PowerPC ELF reloc. */ | |
2036 | ||
2037 | static void | |
2038 | ppc_elf_info_to_howto (abfd, cache_ptr, dst) | |
5f771d47 | 2039 | bfd *abfd ATTRIBUTE_UNUSED; |
252b5132 | 2040 | arelent *cache_ptr; |
947216bf | 2041 | Elf_Internal_Rela *dst; |
252b5132 | 2042 | { |
8da6118f KH |
2043 | if (!ppc_elf_howto_table[R_PPC_ADDR32]) |
2044 | /* Initialize howto table if needed. */ | |
252b5132 RH |
2045 | ppc_elf_howto_init (); |
2046 | ||
2047 | BFD_ASSERT (ELF32_R_TYPE (dst->r_info) < (unsigned int) R_PPC_max); | |
2048 | cache_ptr->howto = ppc_elf_howto_table[ELF32_R_TYPE (dst->r_info)]; | |
2049 | } | |
2050 | ||
2051 | /* Handle the R_PPC_ADDR16_HA reloc. */ | |
2052 | ||
2053 | static bfd_reloc_status_type | |
2054 | ppc_elf_addr16_ha_reloc (abfd, reloc_entry, symbol, data, input_section, | |
2055 | output_bfd, error_message) | |
5f771d47 | 2056 | bfd *abfd ATTRIBUTE_UNUSED; |
252b5132 RH |
2057 | arelent *reloc_entry; |
2058 | asymbol *symbol; | |
5f771d47 | 2059 | PTR data ATTRIBUTE_UNUSED; |
252b5132 RH |
2060 | asection *input_section; |
2061 | bfd *output_bfd; | |
5f771d47 | 2062 | char **error_message ATTRIBUTE_UNUSED; |
252b5132 RH |
2063 | { |
2064 | bfd_vma relocation; | |
2065 | ||
2066 | if (output_bfd != NULL) | |
2067 | { | |
2068 | reloc_entry->address += input_section->output_offset; | |
2069 | return bfd_reloc_ok; | |
2070 | } | |
2071 | ||
2072 | if (reloc_entry->address > input_section->_cooked_size) | |
2073 | return bfd_reloc_outofrange; | |
2074 | ||
2075 | if (bfd_is_com_section (symbol->section)) | |
2076 | relocation = 0; | |
2077 | else | |
2078 | relocation = symbol->value; | |
2079 | ||
2080 | relocation += symbol->section->output_section->vma; | |
2081 | relocation += symbol->section->output_offset; | |
2082 | relocation += reloc_entry->addend; | |
2083 | ||
2084 | reloc_entry->addend += (relocation & 0x8000) << 1; | |
2085 | ||
2086 | return bfd_reloc_continue; | |
2087 | } | |
2088 | ||
7619e7c7 AM |
2089 | static bfd_reloc_status_type |
2090 | ppc_elf_unhandled_reloc (abfd, reloc_entry, symbol, data, | |
2091 | input_section, output_bfd, error_message) | |
2092 | bfd *abfd; | |
2093 | arelent *reloc_entry; | |
2094 | asymbol *symbol; | |
2095 | PTR data; | |
2096 | asection *input_section; | |
2097 | bfd *output_bfd; | |
2098 | char **error_message; | |
2099 | { | |
2100 | /* If this is a relocatable link (output_bfd test tells us), just | |
2101 | call the generic function. Any adjustment will be done at final | |
2102 | link time. */ | |
2103 | if (output_bfd != NULL) | |
2104 | return bfd_elf_generic_reloc (abfd, reloc_entry, symbol, data, | |
2105 | input_section, output_bfd, error_message); | |
2106 | ||
2107 | if (error_message != NULL) | |
2108 | { | |
2109 | static char buf[60]; | |
2110 | sprintf (buf, "generic linker can't handle %s", | |
2111 | reloc_entry->howto->name); | |
2112 | *error_message = buf; | |
2113 | } | |
2114 | return bfd_reloc_dangerous; | |
2115 | } | |
2116 | ||
feee612b AM |
2117 | /* Fix bad default arch selected for a 32 bit input bfd when the |
2118 | default is 64 bit. */ | |
2119 | ||
b34976b6 | 2120 | static bfd_boolean |
feee612b AM |
2121 | ppc_elf_object_p (abfd) |
2122 | bfd *abfd; | |
2123 | { | |
2124 | if (abfd->arch_info->the_default && abfd->arch_info->bits_per_word == 64) | |
2125 | { | |
2126 | Elf_Internal_Ehdr *i_ehdr = elf_elfheader (abfd); | |
2127 | ||
2128 | if (i_ehdr->e_ident[EI_CLASS] == ELFCLASS32) | |
2129 | { | |
2130 | /* Relies on arch after 64 bit default being 32 bit default. */ | |
2131 | abfd->arch_info = abfd->arch_info->next; | |
2132 | BFD_ASSERT (abfd->arch_info->bits_per_word == 32); | |
2133 | } | |
2134 | } | |
b34976b6 | 2135 | return TRUE; |
feee612b AM |
2136 | } |
2137 | ||
c3668558 | 2138 | /* Function to set whether a module needs the -mrelocatable bit set. */ |
252b5132 | 2139 | |
b34976b6 | 2140 | static bfd_boolean |
252b5132 RH |
2141 | ppc_elf_set_private_flags (abfd, flags) |
2142 | bfd *abfd; | |
2143 | flagword flags; | |
2144 | { | |
2145 | BFD_ASSERT (!elf_flags_init (abfd) | |
2146 | || elf_elfheader (abfd)->e_flags == flags); | |
2147 | ||
2148 | elf_elfheader (abfd)->e_flags = flags; | |
b34976b6 AM |
2149 | elf_flags_init (abfd) = TRUE; |
2150 | return TRUE; | |
252b5132 RH |
2151 | } |
2152 | ||
252b5132 | 2153 | /* Merge backend specific data from an object file to the output |
ae9a127f NC |
2154 | object file when linking. */ |
2155 | ||
b34976b6 | 2156 | static bfd_boolean |
252b5132 RH |
2157 | ppc_elf_merge_private_bfd_data (ibfd, obfd) |
2158 | bfd *ibfd; | |
2159 | bfd *obfd; | |
2160 | { | |
2161 | flagword old_flags; | |
2162 | flagword new_flags; | |
b34976b6 | 2163 | bfd_boolean error; |
252b5132 | 2164 | |
ae9a127f | 2165 | /* Check if we have the same endianess. */ |
82e51918 | 2166 | if (! _bfd_generic_verify_endian_match (ibfd, obfd)) |
b34976b6 | 2167 | return FALSE; |
252b5132 RH |
2168 | |
2169 | if (bfd_get_flavour (ibfd) != bfd_target_elf_flavour | |
2170 | || bfd_get_flavour (obfd) != bfd_target_elf_flavour) | |
b34976b6 | 2171 | return TRUE; |
252b5132 RH |
2172 | |
2173 | new_flags = elf_elfheader (ibfd)->e_flags; | |
2174 | old_flags = elf_elfheader (obfd)->e_flags; | |
70bccea4 | 2175 | if (!elf_flags_init (obfd)) |
252b5132 | 2176 | { |
70bccea4 | 2177 | /* First call, no flags set. */ |
b34976b6 | 2178 | elf_flags_init (obfd) = TRUE; |
252b5132 RH |
2179 | elf_elfheader (obfd)->e_flags = new_flags; |
2180 | } | |
2181 | ||
70bccea4 AM |
2182 | /* Compatible flags are ok. */ |
2183 | else if (new_flags == old_flags) | |
252b5132 RH |
2184 | ; |
2185 | ||
70bccea4 AM |
2186 | /* Incompatible flags. */ |
2187 | else | |
252b5132 | 2188 | { |
70bccea4 AM |
2189 | /* Warn about -mrelocatable mismatch. Allow -mrelocatable-lib |
2190 | to be linked with either. */ | |
b34976b6 | 2191 | error = FALSE; |
252b5132 RH |
2192 | if ((new_flags & EF_PPC_RELOCATABLE) != 0 |
2193 | && (old_flags & (EF_PPC_RELOCATABLE | EF_PPC_RELOCATABLE_LIB)) == 0) | |
2194 | { | |
b34976b6 | 2195 | error = TRUE; |
252b5132 RH |
2196 | (*_bfd_error_handler) |
2197 | (_("%s: compiled with -mrelocatable and linked with modules compiled normally"), | |
8f615d07 | 2198 | bfd_archive_filename (ibfd)); |
252b5132 RH |
2199 | } |
2200 | else if ((new_flags & (EF_PPC_RELOCATABLE | EF_PPC_RELOCATABLE_LIB)) == 0 | |
2201 | && (old_flags & EF_PPC_RELOCATABLE) != 0) | |
2202 | { | |
b34976b6 | 2203 | error = TRUE; |
252b5132 RH |
2204 | (*_bfd_error_handler) |
2205 | (_("%s: compiled normally and linked with modules compiled with -mrelocatable"), | |
8f615d07 | 2206 | bfd_archive_filename (ibfd)); |
252b5132 RH |
2207 | } |
2208 | ||
2209 | /* The output is -mrelocatable-lib iff both the input files are. */ | |
2210 | if (! (new_flags & EF_PPC_RELOCATABLE_LIB)) | |
2211 | elf_elfheader (obfd)->e_flags &= ~EF_PPC_RELOCATABLE_LIB; | |
2212 | ||
2213 | /* The output is -mrelocatable iff it can't be -mrelocatable-lib, | |
70bccea4 | 2214 | but each input file is either -mrelocatable or -mrelocatable-lib. */ |
252b5132 RH |
2215 | if (! (elf_elfheader (obfd)->e_flags & EF_PPC_RELOCATABLE_LIB) |
2216 | && (new_flags & (EF_PPC_RELOCATABLE_LIB | EF_PPC_RELOCATABLE)) | |
2217 | && (old_flags & (EF_PPC_RELOCATABLE_LIB | EF_PPC_RELOCATABLE))) | |
2218 | elf_elfheader (obfd)->e_flags |= EF_PPC_RELOCATABLE; | |
2219 | ||
70bccea4 AM |
2220 | /* Do not warn about eabi vs. V.4 mismatch, just or in the bit if |
2221 | any module uses it. */ | |
252b5132 RH |
2222 | elf_elfheader (obfd)->e_flags |= (new_flags & EF_PPC_EMB); |
2223 | ||
70bccea4 AM |
2224 | new_flags &= ~(EF_PPC_RELOCATABLE | EF_PPC_RELOCATABLE_LIB | EF_PPC_EMB); |
2225 | old_flags &= ~(EF_PPC_RELOCATABLE | EF_PPC_RELOCATABLE_LIB | EF_PPC_EMB); | |
252b5132 | 2226 | |
ae9a127f | 2227 | /* Warn about any other mismatches. */ |
252b5132 RH |
2228 | if (new_flags != old_flags) |
2229 | { | |
b34976b6 | 2230 | error = TRUE; |
252b5132 RH |
2231 | (*_bfd_error_handler) |
2232 | (_("%s: uses different e_flags (0x%lx) fields than previous modules (0x%lx)"), | |
8f615d07 | 2233 | bfd_archive_filename (ibfd), (long) new_flags, (long) old_flags); |
252b5132 RH |
2234 | } |
2235 | ||
2236 | if (error) | |
2237 | { | |
2238 | bfd_set_error (bfd_error_bad_value); | |
b34976b6 | 2239 | return FALSE; |
252b5132 RH |
2240 | } |
2241 | } | |
2242 | ||
b34976b6 | 2243 | return TRUE; |
252b5132 | 2244 | } |
252b5132 RH |
2245 | \f |
2246 | /* Handle a PowerPC specific section when reading an object file. This | |
2247 | is called when elfcode.h finds a section with an unknown type. */ | |
2248 | ||
b34976b6 | 2249 | static bfd_boolean |
252b5132 RH |
2250 | ppc_elf_section_from_shdr (abfd, hdr, name) |
2251 | bfd *abfd; | |
947216bf | 2252 | Elf_Internal_Shdr *hdr; |
90937f86 | 2253 | const char *name; |
252b5132 RH |
2254 | { |
2255 | asection *newsect; | |
2256 | flagword flags; | |
2257 | ||
2258 | if (! _bfd_elf_make_section_from_shdr (abfd, hdr, name)) | |
b34976b6 | 2259 | return FALSE; |
252b5132 RH |
2260 | |
2261 | newsect = hdr->bfd_section; | |
2262 | flags = bfd_get_section_flags (abfd, newsect); | |
2263 | if (hdr->sh_flags & SHF_EXCLUDE) | |
2264 | flags |= SEC_EXCLUDE; | |
2265 | ||
2266 | if (hdr->sh_type == SHT_ORDERED) | |
2267 | flags |= SEC_SORT_ENTRIES; | |
2268 | ||
2269 | bfd_set_section_flags (abfd, newsect, flags); | |
b34976b6 | 2270 | return TRUE; |
252b5132 | 2271 | } |
252b5132 RH |
2272 | \f |
2273 | /* Set up any other section flags and such that may be necessary. */ | |
2274 | ||
b34976b6 | 2275 | static bfd_boolean |
252b5132 | 2276 | ppc_elf_fake_sections (abfd, shdr, asect) |
5f771d47 | 2277 | bfd *abfd ATTRIBUTE_UNUSED; |
947216bf | 2278 | Elf_Internal_Shdr *shdr; |
252b5132 RH |
2279 | asection *asect; |
2280 | { | |
2281 | if ((asect->flags & SEC_EXCLUDE) != 0) | |
2282 | shdr->sh_flags |= SHF_EXCLUDE; | |
2283 | ||
2284 | if ((asect->flags & SEC_SORT_ENTRIES) != 0) | |
2285 | shdr->sh_type = SHT_ORDERED; | |
2286 | ||
b34976b6 | 2287 | return TRUE; |
252b5132 | 2288 | } |
252b5132 RH |
2289 | \f |
2290 | /* Create a special linker section */ | |
2291 | static elf_linker_section_t * | |
2292 | ppc_elf_create_linker_section (abfd, info, which) | |
2293 | bfd *abfd; | |
2294 | struct bfd_link_info *info; | |
2295 | enum elf_linker_section_enum which; | |
2296 | { | |
2297 | bfd *dynobj = elf_hash_table (info)->dynobj; | |
2298 | elf_linker_section_t *lsect; | |
2299 | ||
ae9a127f | 2300 | /* Record the first bfd section that needs the special section. */ |
252b5132 RH |
2301 | if (!dynobj) |
2302 | dynobj = elf_hash_table (info)->dynobj = abfd; | |
2303 | ||
ae9a127f | 2304 | /* If this is the first time, create the section. */ |
252b5132 RH |
2305 | lsect = elf_linker_section (dynobj, which); |
2306 | if (!lsect) | |
2307 | { | |
2308 | elf_linker_section_t defaults; | |
2309 | static elf_linker_section_t zero_section; | |
2310 | ||
2311 | defaults = zero_section; | |
2312 | defaults.which = which; | |
b34976b6 | 2313 | defaults.hole_written_p = FALSE; |
252b5132 RH |
2314 | defaults.alignment = 2; |
2315 | ||
2316 | /* Both of these sections are (technically) created by the user | |
2317 | putting data in them, so they shouldn't be marked | |
2318 | SEC_LINKER_CREATED. | |
2319 | ||
2320 | The linker creates them so it has somewhere to attach their | |
2321 | respective symbols. In fact, if they were empty it would | |
2322 | be OK to leave the symbol set to 0 (or any random number), because | |
2323 | the appropriate register should never be used. */ | |
2324 | defaults.flags = (SEC_ALLOC | SEC_LOAD | SEC_HAS_CONTENTS | |
2325 | | SEC_IN_MEMORY); | |
2326 | ||
2327 | switch (which) | |
2328 | { | |
2329 | default: | |
7b609f53 | 2330 | (*_bfd_error_handler) (_("%s: unknown special linker type %d"), |
252b5132 | 2331 | bfd_get_filename (abfd), |
8da6118f | 2332 | (int) which); |
252b5132 RH |
2333 | |
2334 | bfd_set_error (bfd_error_bad_value); | |
8da6118f | 2335 | return (elf_linker_section_t *) 0; |
252b5132 RH |
2336 | |
2337 | case LINKER_SECTION_SDATA: /* .sdata/.sbss section */ | |
2338 | defaults.name = ".sdata"; | |
2339 | defaults.rel_name = ".rela.sdata"; | |
2340 | defaults.bss_name = ".sbss"; | |
2341 | defaults.sym_name = "_SDA_BASE_"; | |
2342 | defaults.sym_offset = 32768; | |
2343 | break; | |
2344 | ||
2345 | case LINKER_SECTION_SDATA2: /* .sdata2/.sbss2 section */ | |
2346 | defaults.name = ".sdata2"; | |
2347 | defaults.rel_name = ".rela.sdata2"; | |
2348 | defaults.bss_name = ".sbss2"; | |
2349 | defaults.sym_name = "_SDA2_BASE_"; | |
2350 | defaults.sym_offset = 32768; | |
2351 | defaults.flags |= SEC_READONLY; | |
2352 | break; | |
2353 | } | |
2354 | ||
2355 | lsect = _bfd_elf_create_linker_section (abfd, info, which, &defaults); | |
2356 | } | |
2357 | ||
2358 | return lsect; | |
2359 | } | |
252b5132 | 2360 | \f |
8da6118f KH |
2361 | /* If we have a non-zero sized .sbss2 or .PPC.EMB.sbss0 sections, we |
2362 | need to bump up the number of section headers. */ | |
252b5132 RH |
2363 | |
2364 | static int | |
2365 | ppc_elf_additional_program_headers (abfd) | |
2366 | bfd *abfd; | |
2367 | { | |
2368 | asection *s; | |
2369 | int ret; | |
2370 | ||
2371 | ret = 0; | |
2372 | ||
2373 | s = bfd_get_section_by_name (abfd, ".interp"); | |
2374 | if (s != NULL) | |
2375 | ++ret; | |
2376 | ||
2377 | s = bfd_get_section_by_name (abfd, ".sbss2"); | |
2378 | if (s != NULL && (s->flags & SEC_LOAD) != 0 && s->_raw_size > 0) | |
2379 | ++ret; | |
2380 | ||
2381 | s = bfd_get_section_by_name (abfd, ".PPC.EMB.sbss0"); | |
2382 | if (s != NULL && (s->flags & SEC_LOAD) != 0 && s->_raw_size > 0) | |
2383 | ++ret; | |
2384 | ||
2385 | return ret; | |
2386 | } | |
2387 | ||
8da6118f | 2388 | /* Modify the segment map if needed. */ |
252b5132 | 2389 | |
b34976b6 | 2390 | static bfd_boolean |
252b5132 | 2391 | ppc_elf_modify_segment_map (abfd) |
5f771d47 | 2392 | bfd *abfd ATTRIBUTE_UNUSED; |
252b5132 | 2393 | { |
b34976b6 | 2394 | return TRUE; |
252b5132 RH |
2395 | } |
2396 | \f | |
41fcb14e AM |
2397 | /* The powerpc .got has a blrl instruction in it. Mark it executable. */ |
2398 | ||
7619e7c7 | 2399 | static bfd_boolean |
41fcb14e AM |
2400 | ppc_elf_create_got (abfd, info) |
2401 | bfd *abfd; | |
2402 | struct bfd_link_info *info; | |
2403 | { | |
7619e7c7 AM |
2404 | struct ppc_elf_link_hash_table *htab; |
2405 | asection *s; | |
41fcb14e AM |
2406 | flagword flags; |
2407 | ||
2408 | if (!_bfd_elf_create_got_section (abfd, info)) | |
7619e7c7 | 2409 | return FALSE; |
41fcb14e | 2410 | |
7619e7c7 AM |
2411 | htab = ppc_elf_hash_table (info); |
2412 | htab->got = s = bfd_get_section_by_name (abfd, ".got"); | |
41fcb14e AM |
2413 | if (s == NULL) |
2414 | abort (); | |
2415 | ||
2416 | flags = (SEC_ALLOC | SEC_LOAD | SEC_CODE | SEC_HAS_CONTENTS | SEC_IN_MEMORY | |
2417 | | SEC_LINKER_CREATED); | |
2418 | if (!bfd_set_section_flags (abfd, s, flags)) | |
7619e7c7 AM |
2419 | return FALSE; |
2420 | ||
2421 | htab->relgot = bfd_make_section (abfd, ".rela.got"); | |
2422 | if (!htab->relgot | |
2423 | || ! bfd_set_section_flags (abfd, htab->relgot, | |
2424 | (SEC_ALLOC | SEC_LOAD | SEC_HAS_CONTENTS | |
2425 | | SEC_IN_MEMORY | SEC_LINKER_CREATED | |
2426 | | SEC_READONLY)) | |
2427 | || ! bfd_set_section_alignment (abfd, htab->relgot, 2)) | |
2428 | return FALSE; | |
2429 | ||
2430 | return TRUE; | |
41fcb14e AM |
2431 | } |
2432 | ||
252b5132 RH |
2433 | /* We have to create .dynsbss and .rela.sbss here so that they get mapped |
2434 | to output sections (just like _bfd_elf_create_dynamic_sections has | |
2435 | to create .dynbss and .rela.bss). */ | |
2436 | ||
b34976b6 | 2437 | static bfd_boolean |
252b5132 RH |
2438 | ppc_elf_create_dynamic_sections (abfd, info) |
2439 | bfd *abfd; | |
2440 | struct bfd_link_info *info; | |
2441 | { | |
7619e7c7 AM |
2442 | struct ppc_elf_link_hash_table *htab; |
2443 | asection *s; | |
252b5132 RH |
2444 | flagword flags; |
2445 | ||
41fcb14e | 2446 | if (!ppc_elf_create_got (abfd, info)) |
b34976b6 | 2447 | return FALSE; |
41fcb14e | 2448 | |
8da6118f | 2449 | if (!_bfd_elf_create_dynamic_sections (abfd, info)) |
b34976b6 | 2450 | return FALSE; |
252b5132 RH |
2451 | |
2452 | flags = (SEC_ALLOC | SEC_LOAD | SEC_HAS_CONTENTS | SEC_IN_MEMORY | |
2453 | | SEC_LINKER_CREATED); | |
2454 | ||
7619e7c7 AM |
2455 | htab = ppc_elf_hash_table (info); |
2456 | htab->dynbss = bfd_get_section_by_name (abfd, ".dynbss"); | |
2457 | htab->dynsbss = s = bfd_make_section (abfd, ".dynsbss"); | |
252b5132 RH |
2458 | if (s == NULL |
2459 | || ! bfd_set_section_flags (abfd, s, SEC_ALLOC)) | |
b34976b6 | 2460 | return FALSE; |
252b5132 RH |
2461 | |
2462 | if (! info->shared) | |
2463 | { | |
7619e7c7 AM |
2464 | htab->relbss = bfd_get_section_by_name (abfd, ".rela.bss"); |
2465 | htab->relsbss = s = bfd_make_section (abfd, ".rela.sbss"); | |
252b5132 RH |
2466 | if (s == NULL |
2467 | || ! bfd_set_section_flags (abfd, s, flags | SEC_READONLY) | |
2468 | || ! bfd_set_section_alignment (abfd, s, 2)) | |
b34976b6 | 2469 | return FALSE; |
252b5132 | 2470 | } |
41fcb14e | 2471 | |
7619e7c7 AM |
2472 | htab->relplt = bfd_get_section_by_name (abfd, ".rela.plt"); |
2473 | htab->plt = s = bfd_get_section_by_name (abfd, ".plt"); | |
41fcb14e AM |
2474 | if (s == NULL) |
2475 | abort (); | |
2476 | ||
2477 | flags = SEC_ALLOC | SEC_CODE | SEC_IN_MEMORY | SEC_LINKER_CREATED; | |
2478 | return bfd_set_section_flags (abfd, s, flags); | |
252b5132 RH |
2479 | } |
2480 | ||
2481 | /* Adjust a symbol defined by a dynamic object and referenced by a | |
2482 | regular object. The current definition is in some section of the | |
2483 | dynamic object, but we're not including those sections. We have to | |
2484 | change the definition to something the rest of the link can | |
2485 | understand. */ | |
2486 | ||
b34976b6 | 2487 | static bfd_boolean |
252b5132 RH |
2488 | ppc_elf_adjust_dynamic_symbol (info, h) |
2489 | struct bfd_link_info *info; | |
2490 | struct elf_link_hash_entry *h; | |
2491 | { | |
7619e7c7 | 2492 | struct ppc_elf_link_hash_table *htab; |
252b5132 RH |
2493 | asection *s; |
2494 | unsigned int power_of_two; | |
252b5132 RH |
2495 | |
2496 | #ifdef DEBUG | |
70bccea4 AM |
2497 | fprintf (stderr, "ppc_elf_adjust_dynamic_symbol called for %s\n", |
2498 | h->root.root.string); | |
252b5132 RH |
2499 | #endif |
2500 | ||
2501 | /* Make sure we know what is going on here. */ | |
7619e7c7 AM |
2502 | htab = ppc_elf_hash_table (info); |
2503 | BFD_ASSERT (htab->elf.dynobj != NULL | |
252b5132 RH |
2504 | && ((h->elf_link_hash_flags & ELF_LINK_HASH_NEEDS_PLT) |
2505 | || h->weakdef != NULL | |
2506 | || ((h->elf_link_hash_flags | |
2507 | & ELF_LINK_HASH_DEF_DYNAMIC) != 0 | |
2508 | && (h->elf_link_hash_flags | |
2509 | & ELF_LINK_HASH_REF_REGULAR) != 0 | |
2510 | && (h->elf_link_hash_flags | |
2511 | & ELF_LINK_HASH_DEF_REGULAR) == 0))); | |
2512 | ||
7619e7c7 | 2513 | /* Deal with function syms. */ |
252b5132 RH |
2514 | if (h->type == STT_FUNC |
2515 | || (h->elf_link_hash_flags & ELF_LINK_HASH_NEEDS_PLT) != 0) | |
2516 | { | |
7619e7c7 AM |
2517 | /* Clear procedure linkage table information for any symbol that |
2518 | won't need a .plt entry. */ | |
2519 | if (! htab->elf.dynamic_sections_created | |
fc0bffd6 | 2520 | || SYMBOL_CALLS_LOCAL (info, h) |
7619e7c7 | 2521 | || h->plt.refcount <= 0) |
252b5132 RH |
2522 | { |
2523 | /* A PLT entry is not required/allowed when: | |
2524 | ||
70bccea4 AM |
2525 | 1. We are not using ld.so; because then the PLT entry |
2526 | can't be set up, so we can't use one. | |
252b5132 | 2527 | |
70bccea4 AM |
2528 | 2. We know for certain that a call to this symbol |
2529 | will go to this object. | |
252b5132 | 2530 | |
70bccea4 | 2531 | 3. GC has rendered the entry unused. */ |
252b5132 RH |
2532 | h->plt.offset = (bfd_vma) -1; |
2533 | h->elf_link_hash_flags &= ~ELF_LINK_HASH_NEEDS_PLT; | |
252b5132 | 2534 | } |
b34976b6 | 2535 | return TRUE; |
252b5132 | 2536 | } |
bbd7ec4a AM |
2537 | else |
2538 | h->plt.offset = (bfd_vma) -1; | |
252b5132 RH |
2539 | |
2540 | /* If this is a weak symbol, and there is a real definition, the | |
2541 | processor independent code will have arranged for us to see the | |
2542 | real definition first, and we can just use the same value. */ | |
2543 | if (h->weakdef != NULL) | |
2544 | { | |
2545 | BFD_ASSERT (h->weakdef->root.type == bfd_link_hash_defined | |
2546 | || h->weakdef->root.type == bfd_link_hash_defweak); | |
2547 | h->root.u.def.section = h->weakdef->root.u.def.section; | |
2548 | h->root.u.def.value = h->weakdef->root.u.def.value; | |
a23b6845 AM |
2549 | if (ELIMINATE_COPY_RELOCS) |
2550 | h->elf_link_hash_flags | |
2551 | = ((h->elf_link_hash_flags & ~ELF_LINK_NON_GOT_REF) | |
2552 | | (h->weakdef->elf_link_hash_flags & ELF_LINK_NON_GOT_REF)); | |
b34976b6 | 2553 | return TRUE; |
252b5132 RH |
2554 | } |
2555 | ||
2556 | /* This is a reference to a symbol defined by a dynamic object which | |
2557 | is not a function. */ | |
2558 | ||
2559 | /* If we are creating a shared library, we must presume that the | |
2560 | only references to the symbol are via the global offset table. | |
2561 | For such cases we need not do anything here; the relocations will | |
2562 | be handled correctly by relocate_section. */ | |
2563 | if (info->shared) | |
b34976b6 | 2564 | return TRUE; |
252b5132 | 2565 | |
7619e7c7 AM |
2566 | /* If there are no references to this symbol that do not use the |
2567 | GOT, we don't need to generate a copy reloc. */ | |
2568 | if ((h->elf_link_hash_flags & ELF_LINK_NON_GOT_REF) == 0) | |
2569 | return TRUE; | |
2570 | ||
ee05f2fe AM |
2571 | if (ELIMINATE_COPY_RELOCS) |
2572 | { | |
2573 | struct ppc_elf_dyn_relocs *p; | |
2574 | for (p = ppc_elf_hash_entry (h)->dyn_relocs; p != NULL; p = p->next) | |
2575 | { | |
2576 | s = p->sec->output_section; | |
2577 | if (s != NULL && (s->flags & SEC_READONLY) != 0) | |
2578 | break; | |
2579 | } | |
2580 | ||
2581 | /* If we didn't find any dynamic relocs in read-only sections, then | |
2582 | we'll be keeping the dynamic relocs and avoiding the copy reloc. */ | |
2583 | if (p == NULL) | |
2584 | { | |
2585 | h->elf_link_hash_flags &= ~ELF_LINK_NON_GOT_REF; | |
2586 | return TRUE; | |
2587 | } | |
2588 | } | |
2589 | ||
252b5132 RH |
2590 | /* We must allocate the symbol in our .dynbss section, which will |
2591 | become part of the .bss section of the executable. There will be | |
2592 | an entry for this symbol in the .dynsym section. The dynamic | |
2593 | object will contain position independent code, so all references | |
2594 | from the dynamic object to this symbol will go through the global | |
2595 | offset table. The dynamic linker will use the .dynsym entry to | |
2596 | determine the address it must put in the global offset table, so | |
2597 | both the dynamic object and the regular object will refer to the | |
2598 | same memory location for the variable. | |
2599 | ||
2600 | Of course, if the symbol is sufficiently small, we must instead | |
2601 | allocate it in .sbss. FIXME: It would be better to do this if and | |
2602 | only if there were actually SDAREL relocs for that symbol. */ | |
2603 | ||
7619e7c7 AM |
2604 | if (h->size <= elf_gp_size (htab->elf.dynobj)) |
2605 | s = htab->dynsbss; | |
252b5132 | 2606 | else |
7619e7c7 | 2607 | s = htab->dynbss; |
252b5132 RH |
2608 | BFD_ASSERT (s != NULL); |
2609 | ||
2610 | /* We must generate a R_PPC_COPY reloc to tell the dynamic linker to | |
2611 | copy the initial value out of the dynamic object and into the | |
2612 | runtime process image. We need to remember the offset into the | |
2613 | .rela.bss section we are going to use. */ | |
2614 | if ((h->root.u.def.section->flags & SEC_ALLOC) != 0) | |
2615 | { | |
2616 | asection *srel; | |
2617 | ||
7619e7c7 AM |
2618 | if (h->size <= elf_gp_size (htab->elf.dynobj)) |
2619 | srel = htab->relsbss; | |
252b5132 | 2620 | else |
7619e7c7 | 2621 | srel = htab->relbss; |
252b5132 RH |
2622 | BFD_ASSERT (srel != NULL); |
2623 | srel->_raw_size += sizeof (Elf32_External_Rela); | |
2624 | h->elf_link_hash_flags |= ELF_LINK_HASH_NEEDS_COPY; | |
2625 | } | |
2626 | ||
2627 | /* We need to figure out the alignment required for this symbol. I | |
2628 | have no idea how ELF linkers handle this. */ | |
2629 | power_of_two = bfd_log2 (h->size); | |
2630 | if (power_of_two > 4) | |
2631 | power_of_two = 4; | |
2632 | ||
2633 | /* Apply the required alignment. */ | |
2634 | s->_raw_size = BFD_ALIGN (s->_raw_size, | |
2635 | (bfd_size_type) (1 << power_of_two)); | |
7619e7c7 | 2636 | if (power_of_two > bfd_get_section_alignment (htab->elf.dynobj, s)) |
252b5132 | 2637 | { |
7619e7c7 | 2638 | if (! bfd_set_section_alignment (htab->elf.dynobj, s, power_of_two)) |
b34976b6 | 2639 | return FALSE; |
252b5132 RH |
2640 | } |
2641 | ||
2642 | /* Define the symbol as being at this point in the section. */ | |
2643 | h->root.u.def.section = s; | |
2644 | h->root.u.def.value = s->_raw_size; | |
2645 | ||
2646 | /* Increment the section size to make room for the symbol. */ | |
2647 | s->_raw_size += h->size; | |
2648 | ||
b34976b6 | 2649 | return TRUE; |
252b5132 | 2650 | } |
252b5132 | 2651 | \f |
7619e7c7 AM |
2652 | /* This is the condition under which finish_dynamic_symbol will be |
2653 | called from elflink.h. If elflink.h doesn't call our | |
2654 | finish_dynamic_symbol routine, we'll need to do something about | |
2655 | initializing any .plt and .got entries in relocate_section. */ | |
ee05f2fe | 2656 | #define WILL_CALL_FINISH_DYNAMIC_SYMBOL(DYN, SHARED, H) \ |
7619e7c7 | 2657 | ((DYN) \ |
ee05f2fe | 2658 | && ((SHARED) \ |
7619e7c7 AM |
2659 | || ((H)->elf_link_hash_flags & ELF_LINK_FORCED_LOCAL) == 0) \ |
2660 | && ((H)->dynindx != -1 \ | |
2661 | || ((H)->elf_link_hash_flags & ELF_LINK_FORCED_LOCAL) != 0)) | |
2662 | ||
ee05f2fe AM |
2663 | /* Of those relocs that might be copied as dynamic relocs, this macro |
2664 | selects those that must be copied when linking a shared library, | |
2665 | even when the symbol is local. */ | |
2666 | ||
2667 | #define MUST_BE_DYN_RELOC(RTYPE) \ | |
2668 | ((RTYPE) != R_PPC_REL24 \ | |
2669 | && (RTYPE) != R_PPC_REL14 \ | |
2670 | && (RTYPE) != R_PPC_REL14_BRTAKEN \ | |
2671 | && (RTYPE) != R_PPC_REL14_BRNTAKEN \ | |
2672 | && (RTYPE) != R_PPC_REL32) | |
2673 | ||
7fce784e AS |
2674 | /* Allocate space in associated reloc sections for dynamic relocs. */ |
2675 | ||
7619e7c7 AM |
2676 | static bfd_boolean |
2677 | allocate_dynrelocs (h, inf) | |
2678 | struct elf_link_hash_entry *h; | |
2679 | PTR inf; | |
2680 | { | |
2681 | struct bfd_link_info *info = (struct bfd_link_info *) inf; | |
2682 | struct ppc_elf_link_hash_entry *eh; | |
2683 | struct ppc_elf_link_hash_table *htab; | |
2684 | struct ppc_elf_dyn_relocs *p; | |
2685 | ||
2686 | if (h->root.type == bfd_link_hash_indirect) | |
2687 | return TRUE; | |
2688 | ||
2689 | if (h->root.type == bfd_link_hash_warning) | |
2690 | /* When warning symbols are created, they **replace** the "real" | |
2691 | entry in the hash table, thus we never get to see the real | |
2692 | symbol in a hash traversal. So look at it now. */ | |
2693 | h = (struct elf_link_hash_entry *) h->root.u.i.link; | |
2694 | ||
2695 | htab = ppc_elf_hash_table (info); | |
2696 | if (htab->elf.dynamic_sections_created | |
2697 | && h->plt.refcount > 0) | |
2698 | { | |
2699 | /* Make sure this symbol is output as a dynamic symbol. */ | |
2700 | if (h->dynindx == -1 | |
2701 | && (h->elf_link_hash_flags & ELF_LINK_FORCED_LOCAL) == 0) | |
2702 | { | |
2703 | if (! bfd_elf32_link_record_dynamic_symbol (info, h)) | |
2704 | return FALSE; | |
2705 | } | |
2706 | ||
ee05f2fe AM |
2707 | if (info->shared |
2708 | || WILL_CALL_FINISH_DYNAMIC_SYMBOL (1, 0, h)) | |
7619e7c7 AM |
2709 | { |
2710 | asection *s = htab->plt; | |
2711 | ||
2712 | /* If this is the first .plt entry, make room for the special | |
2713 | first entry. */ | |
2714 | if (s->_raw_size == 0) | |
2715 | s->_raw_size += PLT_INITIAL_ENTRY_SIZE; | |
2716 | ||
2717 | /* The PowerPC PLT is actually composed of two parts, the | |
2718 | first part is 2 words (for a load and a jump), and then | |
2719 | there is a remaining word available at the end. */ | |
2720 | h->plt.offset = (PLT_INITIAL_ENTRY_SIZE | |
2721 | + (PLT_SLOT_SIZE | |
2722 | * ((s->_raw_size - PLT_INITIAL_ENTRY_SIZE) | |
2723 | / PLT_ENTRY_SIZE))); | |
2724 | ||
2725 | /* If this symbol is not defined in a regular file, and we | |
2726 | are not generating a shared library, then set the symbol | |
2727 | to this location in the .plt. This is required to make | |
2728 | function pointers compare as equal between the normal | |
2729 | executable and the shared library. */ | |
2730 | if (! info->shared | |
2731 | && (h->elf_link_hash_flags & ELF_LINK_HASH_DEF_REGULAR) == 0) | |
2732 | { | |
2733 | h->root.u.def.section = s; | |
2734 | h->root.u.def.value = h->plt.offset; | |
2735 | } | |
2736 | ||
2737 | /* Make room for this entry. After the 8192nd entry, room | |
2738 | for two entries is allocated. */ | |
2739 | s->_raw_size += PLT_ENTRY_SIZE; | |
2740 | if ((s->_raw_size - PLT_INITIAL_ENTRY_SIZE) / PLT_ENTRY_SIZE | |
2741 | >= PLT_NUM_SINGLE_ENTRIES) | |
2742 | s->_raw_size += PLT_ENTRY_SIZE; | |
2743 | ||
2744 | /* We also need to make an entry in the .rela.plt section. */ | |
2745 | htab->relplt->_raw_size += sizeof (Elf32_External_Rela); | |
2746 | } | |
2747 | else | |
2748 | { | |
2749 | h->plt.offset = (bfd_vma) -1; | |
2750 | h->elf_link_hash_flags &= ~ELF_LINK_HASH_NEEDS_PLT; | |
2751 | } | |
2752 | } | |
2753 | else | |
2754 | { | |
2755 | h->plt.offset = (bfd_vma) -1; | |
2756 | h->elf_link_hash_flags &= ~ELF_LINK_HASH_NEEDS_PLT; | |
2757 | } | |
7fce784e | 2758 | |
7619e7c7 AM |
2759 | eh = (struct ppc_elf_link_hash_entry *) h; |
2760 | if (eh->elf.got.refcount > 0) | |
2761 | { | |
2762 | /* Make sure this symbol is output as a dynamic symbol. */ | |
2763 | if (eh->elf.dynindx == -1 | |
2764 | && (eh->elf.elf_link_hash_flags & ELF_LINK_FORCED_LOCAL) == 0) | |
2765 | { | |
2766 | if (!bfd_elf32_link_record_dynamic_symbol (info, &eh->elf)) | |
2767 | return FALSE; | |
2768 | } | |
7fce784e | 2769 | |
7619e7c7 AM |
2770 | if (eh->tls_mask == (TLS_TLS | TLS_LD) |
2771 | && !(eh->elf.elf_link_hash_flags & ELF_LINK_HASH_DEF_DYNAMIC)) | |
2772 | /* If just an LD reloc, we'll just use htab->tlsld_got.offset. */ | |
2773 | eh->elf.got.offset = (bfd_vma) -1; | |
2774 | else | |
2775 | { | |
2776 | bfd_boolean dyn; | |
2777 | eh->elf.got.offset = htab->got->_raw_size; | |
2778 | if ((eh->tls_mask & TLS_TLS) != 0) | |
2779 | { | |
70bccea4 AM |
2780 | if ((eh->tls_mask & TLS_LD) != 0) |
2781 | htab->got->_raw_size += 8; | |
2782 | if ((eh->tls_mask & TLS_GD) != 0) | |
7619e7c7 AM |
2783 | htab->got->_raw_size += 8; |
2784 | if ((eh->tls_mask & (TLS_TPREL | TLS_TPRELGD)) != 0) | |
2785 | htab->got->_raw_size += 4; | |
2786 | if ((eh->tls_mask & TLS_DTPREL) != 0) | |
2787 | htab->got->_raw_size += 4; | |
2788 | } | |
2789 | else | |
2790 | htab->got->_raw_size += 4; | |
2791 | dyn = htab->elf.dynamic_sections_created; | |
ee05f2fe AM |
2792 | if (info->shared |
2793 | || WILL_CALL_FINISH_DYNAMIC_SYMBOL (dyn, 0, &eh->elf)) | |
7619e7c7 AM |
2794 | { |
2795 | /* All the entries we allocated need relocs. */ | |
2796 | htab->relgot->_raw_size | |
2797 | += ((htab->got->_raw_size - eh->elf.got.offset) / 4 | |
2798 | * sizeof (Elf32_External_Rela)); | |
2799 | /* Except LD only needs one. */ | |
2800 | if ((eh->tls_mask & TLS_LD) != 0) | |
2801 | htab->relgot->_raw_size -= sizeof (Elf32_External_Rela); | |
2802 | } | |
2803 | } | |
2804 | } | |
2805 | else | |
2806 | eh->elf.got.offset = (bfd_vma) -1; | |
7fce784e | 2807 | |
ee05f2fe AM |
2808 | if (eh->dyn_relocs == NULL) |
2809 | return TRUE; | |
2810 | ||
2811 | /* In the shared -Bsymbolic case, discard space allocated for | |
2812 | dynamic pc-relative relocs against symbols which turn out to be | |
2813 | defined in regular objects. For the normal shared case, discard | |
2814 | space for relocs that have become local due to symbol visibility | |
2815 | changes. */ | |
2816 | if (info->shared) | |
2817 | { | |
2818 | if ((h->elf_link_hash_flags & ELF_LINK_HASH_DEF_REGULAR) != 0 | |
2819 | && ((h->elf_link_hash_flags & ELF_LINK_FORCED_LOCAL) != 0 | |
2820 | || info->symbolic)) | |
2821 | { | |
2822 | struct ppc_elf_dyn_relocs **pp; | |
2823 | ||
2824 | for (pp = &eh->dyn_relocs; (p = *pp) != NULL; ) | |
2825 | { | |
2826 | p->count -= p->pc_count; | |
2827 | p->pc_count = 0; | |
2828 | if (p->count == 0) | |
2829 | *pp = p->next; | |
2830 | else | |
2831 | pp = &p->next; | |
2832 | } | |
2833 | } | |
2834 | } | |
2835 | else if (ELIMINATE_COPY_RELOCS) | |
2836 | { | |
2837 | /* For the non-shared case, discard space for relocs against | |
2838 | symbols which turn out to need copy relocs or are not | |
2839 | dynamic. */ | |
2840 | ||
2841 | if ((h->elf_link_hash_flags & ELF_LINK_NON_GOT_REF) == 0 | |
2842 | && (h->elf_link_hash_flags & ELF_LINK_HASH_DEF_DYNAMIC) != 0 | |
2843 | && (h->elf_link_hash_flags & ELF_LINK_HASH_DEF_REGULAR) == 0) | |
2844 | { | |
2845 | /* Make sure this symbol is output as a dynamic symbol. | |
2846 | Undefined weak syms won't yet be marked as dynamic. */ | |
2847 | if (h->dynindx == -1 | |
2848 | && (h->elf_link_hash_flags & ELF_LINK_FORCED_LOCAL) == 0) | |
2849 | { | |
2850 | if (! bfd_elf64_link_record_dynamic_symbol (info, h)) | |
2851 | return FALSE; | |
2852 | } | |
2853 | ||
2854 | /* If that succeeded, we know we'll be keeping all the | |
2855 | relocs. */ | |
2856 | if (h->dynindx != -1) | |
2857 | goto keep; | |
2858 | } | |
2859 | ||
2860 | eh->dyn_relocs = NULL; | |
2861 | ||
2862 | keep: ; | |
2863 | } | |
2864 | ||
2865 | /* Finally, allocate space. */ | |
7619e7c7 | 2866 | for (p = eh->dyn_relocs; p != NULL; p = p->next) |
7fce784e AS |
2867 | { |
2868 | asection *sreloc = elf_section_data (p->sec)->sreloc; | |
2869 | sreloc->_raw_size += p->count * sizeof (Elf32_External_Rela); | |
2870 | } | |
2871 | ||
2872 | return TRUE; | |
2873 | } | |
2874 | ||
2875 | /* Find any dynamic relocs that apply to read-only sections. */ | |
2876 | ||
2877 | static bfd_boolean | |
2878 | readonly_dynrelocs (h, info) | |
2879 | struct elf_link_hash_entry *h; | |
2880 | PTR info; | |
2881 | { | |
2882 | struct ppc_elf_dyn_relocs *p; | |
2883 | ||
2884 | if (h->root.type == bfd_link_hash_indirect) | |
2885 | return TRUE; | |
2886 | ||
2887 | if (h->root.type == bfd_link_hash_warning) | |
2888 | h = (struct elf_link_hash_entry *) h->root.u.i.link; | |
2889 | ||
2890 | for (p = ppc_elf_hash_entry (h)->dyn_relocs; p != NULL; p = p->next) | |
2891 | { | |
2892 | asection *s = p->sec->output_section; | |
2893 | ||
2894 | if (s != NULL | |
2895 | && ((s->flags & (SEC_READONLY | SEC_ALLOC)) | |
2896 | == (SEC_READONLY | SEC_ALLOC))) | |
2897 | { | |
2898 | ((struct bfd_link_info *) info)->flags |= DF_TEXTREL; | |
2899 | ||
2900 | /* Not an error, just cut short the traversal. */ | |
2901 | return FALSE; | |
2902 | } | |
2903 | } | |
2904 | return TRUE; | |
2905 | } | |
2906 | ||
252b5132 RH |
2907 | /* Set the sizes of the dynamic sections. */ |
2908 | ||
b34976b6 | 2909 | static bfd_boolean |
252b5132 | 2910 | ppc_elf_size_dynamic_sections (output_bfd, info) |
29c2fb7c | 2911 | bfd *output_bfd ATTRIBUTE_UNUSED; |
252b5132 RH |
2912 | struct bfd_link_info *info; |
2913 | { | |
7619e7c7 | 2914 | struct ppc_elf_link_hash_table *htab; |
252b5132 | 2915 | asection *s; |
b34976b6 | 2916 | bfd_boolean relocs; |
7fce784e | 2917 | bfd *ibfd; |
252b5132 RH |
2918 | |
2919 | #ifdef DEBUG | |
2920 | fprintf (stderr, "ppc_elf_size_dynamic_sections called\n"); | |
2921 | #endif | |
2922 | ||
7619e7c7 AM |
2923 | htab = ppc_elf_hash_table (info); |
2924 | BFD_ASSERT (htab->elf.dynobj != NULL); | |
252b5132 RH |
2925 | |
2926 | if (elf_hash_table (info)->dynamic_sections_created) | |
2927 | { | |
2928 | /* Set the contents of the .interp section to the interpreter. */ | |
2929 | if (! info->shared) | |
2930 | { | |
7619e7c7 | 2931 | s = bfd_get_section_by_name (htab->elf.dynobj, ".interp"); |
252b5132 RH |
2932 | BFD_ASSERT (s != NULL); |
2933 | s->_raw_size = sizeof ELF_DYNAMIC_INTERPRETER; | |
2934 | s->contents = (unsigned char *) ELF_DYNAMIC_INTERPRETER; | |
2935 | } | |
2936 | } | |
7619e7c7 AM |
2937 | |
2938 | if (htab->tlsld_got.refcount > 0) | |
252b5132 | 2939 | { |
7619e7c7 AM |
2940 | htab->tlsld_got.offset = htab->got->_raw_size; |
2941 | htab->got->_raw_size += 8; | |
2942 | if (info->shared) | |
2943 | htab->relgot->_raw_size += sizeof (Elf32_External_Rela); | |
252b5132 | 2944 | } |
7619e7c7 AM |
2945 | else |
2946 | htab->tlsld_got.offset = (bfd_vma) -1; | |
252b5132 | 2947 | |
7619e7c7 AM |
2948 | /* Set up .got offsets for local syms, and space for local dynamic |
2949 | relocs. */ | |
7fce784e AS |
2950 | for (ibfd = info->input_bfds; ibfd != NULL; ibfd = ibfd->link_next) |
2951 | { | |
7619e7c7 AM |
2952 | bfd_signed_vma *local_got; |
2953 | bfd_signed_vma *end_local_got; | |
2954 | char *lgot_masks; | |
2955 | bfd_size_type locsymcount; | |
2956 | Elf_Internal_Shdr *symtab_hdr; | |
2957 | asection *srel; | |
2958 | ||
7fce784e AS |
2959 | if (bfd_get_flavour (ibfd) != bfd_target_elf_flavour) |
2960 | continue; | |
2961 | ||
2962 | for (s = ibfd->sections; s != NULL; s = s->next) | |
2963 | { | |
2964 | struct ppc_elf_dyn_relocs *p; | |
2965 | ||
2966 | for (p = ((struct ppc_elf_dyn_relocs *) | |
70bccea4 AM |
2967 | elf_section_data (s)->local_dynrel); |
2968 | p != NULL; | |
2969 | p = p->next) | |
7fce784e AS |
2970 | { |
2971 | if (!bfd_is_abs_section (p->sec) | |
2972 | && bfd_is_abs_section (p->sec->output_section)) | |
2973 | { | |
2974 | /* Input section has been discarded, either because | |
2975 | it is a copy of a linkonce section or due to | |
2976 | linker script /DISCARD/, so we'll be discarding | |
2977 | the relocs too. */ | |
2978 | } | |
2979 | else if (p->count != 0) | |
2980 | { | |
2981 | elf_section_data (p->sec)->sreloc->_raw_size | |
2982 | += p->count * sizeof (Elf32_External_Rela); | |
2983 | if ((p->sec->output_section->flags | |
2984 | & (SEC_READONLY | SEC_ALLOC)) | |
2985 | == (SEC_READONLY | SEC_ALLOC)) | |
2986 | info->flags |= DF_TEXTREL; | |
2987 | } | |
2988 | } | |
2989 | } | |
7619e7c7 AM |
2990 | |
2991 | local_got = elf_local_got_refcounts (ibfd); | |
2992 | if (!local_got) | |
2993 | continue; | |
2994 | ||
2995 | symtab_hdr = &elf_tdata (ibfd)->symtab_hdr; | |
2996 | locsymcount = symtab_hdr->sh_info; | |
2997 | end_local_got = local_got + locsymcount; | |
2998 | lgot_masks = (char *) end_local_got; | |
2999 | s = htab->got; | |
3000 | srel = htab->relgot; | |
3001 | for (; local_got < end_local_got; ++local_got, ++lgot_masks) | |
3002 | if (*local_got > 0) | |
3003 | { | |
3004 | if (*lgot_masks == (TLS_TLS | TLS_LD)) | |
3005 | { | |
3006 | /* If just an LD reloc, we'll just use | |
3007 | htab->tlsld_got.offset. */ | |
3008 | if (htab->tlsld_got.offset == (bfd_vma) -1) | |
3009 | { | |
3010 | htab->tlsld_got.offset = s->_raw_size; | |
3011 | s->_raw_size += 8; | |
3012 | if (info->shared) | |
3013 | srel->_raw_size += sizeof (Elf32_External_Rela); | |
3014 | } | |
3015 | *local_got = (bfd_vma) -1; | |
3016 | } | |
3017 | else | |
3018 | { | |
3019 | *local_got = s->_raw_size; | |
3020 | if ((*lgot_masks & TLS_TLS) != 0) | |
3021 | { | |
3022 | if ((*lgot_masks & TLS_GD) != 0) | |
3023 | s->_raw_size += 8; | |
3024 | if ((*lgot_masks & (TLS_TPREL | TLS_TPRELGD)) != 0) | |
3025 | s->_raw_size += 4; | |
3026 | if ((*lgot_masks & TLS_DTPREL) != 0) | |
3027 | s->_raw_size += 4; | |
3028 | } | |
3029 | else | |
3030 | s->_raw_size += 4; | |
3031 | if (info->shared) | |
3032 | srel->_raw_size += ((s->_raw_size - *local_got) / 4 | |
3033 | * sizeof (Elf32_External_Rela)); | |
3034 | } | |
3035 | } | |
3036 | else | |
3037 | *local_got = (bfd_vma) -1; | |
7fce784e AS |
3038 | } |
3039 | ||
3040 | /* Allocate space for global sym dynamic relocs. */ | |
7619e7c7 | 3041 | elf_link_hash_traverse (elf_hash_table (info), allocate_dynrelocs, info); |
7fce784e | 3042 | |
7619e7c7 AM |
3043 | /* We've now determined the sizes of the various dynamic sections. |
3044 | Allocate memory for them. */ | |
b34976b6 | 3045 | relocs = FALSE; |
7619e7c7 | 3046 | for (s = htab->elf.dynobj->sections; s != NULL; s = s->next) |
252b5132 | 3047 | { |
252b5132 RH |
3048 | if ((s->flags & SEC_LINKER_CREATED) == 0) |
3049 | continue; | |
3050 | ||
7619e7c7 AM |
3051 | if (s == htab->plt |
3052 | || s == htab->got | |
3053 | || (htab->sdata != NULL && s == htab->sdata->section) | |
3054 | || (htab->sdata2 != NULL && s == htab->sdata2->section)) | |
252b5132 | 3055 | { |
7619e7c7 AM |
3056 | /* Strip this section if we don't need it; see the |
3057 | comment below. */ | |
252b5132 | 3058 | } |
7619e7c7 | 3059 | else if (strncmp (bfd_get_section_name (dynobj, s), ".rela", 5) == 0) |
252b5132 RH |
3060 | { |
3061 | if (s->_raw_size == 0) | |
3062 | { | |
3063 | /* If we don't need this section, strip it from the | |
3064 | output file. This is mostly to handle .rela.bss and | |
3065 | .rela.plt. We must create both sections in | |
3066 | create_dynamic_sections, because they must be created | |
3067 | before the linker maps input sections to output | |
3068 | sections. The linker does that before | |
3069 | adjust_dynamic_symbol is called, and it is that | |
3070 | function which decides whether anything needs to go | |
3071 | into these sections. */ | |
252b5132 RH |
3072 | } |
3073 | else | |
3074 | { | |
c3668558 | 3075 | /* Remember whether there are any relocation sections. */ |
b34976b6 | 3076 | relocs = TRUE; |
252b5132 | 3077 | |
252b5132 RH |
3078 | /* We use the reloc_count field as a counter if we need |
3079 | to copy relocs into the output file. */ | |
3080 | s->reloc_count = 0; | |
3081 | } | |
3082 | } | |
7619e7c7 | 3083 | else |
252b5132 RH |
3084 | { |
3085 | /* It's not one of our sections, so don't allocate space. */ | |
3086 | continue; | |
3087 | } | |
3088 | ||
7619e7c7 | 3089 | if (s->_raw_size == 0) |
252b5132 | 3090 | { |
7f8d5fc9 | 3091 | _bfd_strip_section_from_output (info, s); |
252b5132 RH |
3092 | continue; |
3093 | } | |
3094 | ||
3095 | /* Allocate memory for the section contents. */ | |
7619e7c7 AM |
3096 | s->contents = (bfd_byte *) bfd_zalloc (htab->elf.dynobj, s->_raw_size); |
3097 | if (s->contents == NULL) | |
b34976b6 | 3098 | return FALSE; |
252b5132 RH |
3099 | } |
3100 | ||
7619e7c7 | 3101 | if (htab->elf.dynamic_sections_created) |
252b5132 RH |
3102 | { |
3103 | /* Add some entries to the .dynamic section. We fill in the | |
3104 | values later, in ppc_elf_finish_dynamic_sections, but we | |
3105 | must add the entries now so that we get the correct size for | |
3106 | the .dynamic section. The DT_DEBUG entry is filled in by the | |
3107 | dynamic linker and used by the debugger. */ | |
dc810e39 AM |
3108 | #define add_dynamic_entry(TAG, VAL) \ |
3109 | bfd_elf32_add_dynamic_entry (info, (bfd_vma) (TAG), (bfd_vma) (VAL)) | |
3110 | ||
3111 | if (!info->shared) | |
252b5132 | 3112 | { |
dc810e39 | 3113 | if (!add_dynamic_entry (DT_DEBUG, 0)) |
b34976b6 | 3114 | return FALSE; |
252b5132 RH |
3115 | } |
3116 | ||
7619e7c7 | 3117 | if (htab->plt != NULL && htab->plt->_raw_size != 0) |
252b5132 | 3118 | { |
dc810e39 AM |
3119 | if (!add_dynamic_entry (DT_PLTGOT, 0) |
3120 | || !add_dynamic_entry (DT_PLTRELSZ, 0) | |
3121 | || !add_dynamic_entry (DT_PLTREL, DT_RELA) | |
3122 | || !add_dynamic_entry (DT_JMPREL, 0)) | |
b34976b6 | 3123 | return FALSE; |
252b5132 RH |
3124 | } |
3125 | ||
3126 | if (relocs) | |
3127 | { | |
dc810e39 AM |
3128 | if (!add_dynamic_entry (DT_RELA, 0) |
3129 | || !add_dynamic_entry (DT_RELASZ, 0) | |
3130 | || !add_dynamic_entry (DT_RELAENT, sizeof (Elf32_External_Rela))) | |
b34976b6 | 3131 | return FALSE; |
252b5132 RH |
3132 | } |
3133 | ||
7fce784e AS |
3134 | /* If any dynamic relocs apply to a read-only section, then we |
3135 | need a DT_TEXTREL entry. */ | |
3136 | if ((info->flags & DF_TEXTREL) == 0) | |
3137 | elf_link_hash_traverse (elf_hash_table (info), readonly_dynrelocs, | |
3138 | (PTR) info); | |
3139 | ||
29c2fb7c | 3140 | if ((info->flags & DF_TEXTREL) != 0) |
252b5132 | 3141 | { |
dc810e39 | 3142 | if (!add_dynamic_entry (DT_TEXTREL, 0)) |
b34976b6 | 3143 | return FALSE; |
252b5132 RH |
3144 | } |
3145 | } | |
dc810e39 | 3146 | #undef add_dynamic_entry |
252b5132 | 3147 | |
b34976b6 | 3148 | return TRUE; |
252b5132 | 3149 | } |
252b5132 | 3150 | \f |
7619e7c7 AM |
3151 | static bfd_boolean |
3152 | update_local_sym_info (abfd, symtab_hdr, r_symndx, tls_type) | |
3153 | bfd *abfd; | |
3154 | Elf_Internal_Shdr *symtab_hdr; | |
3155 | unsigned long r_symndx; | |
3156 | int tls_type; | |
3157 | { | |
3158 | bfd_signed_vma *local_got_refcounts = elf_local_got_refcounts (abfd); | |
3159 | char *local_got_tls_masks; | |
3160 | ||
3161 | if (local_got_refcounts == NULL) | |
3162 | { | |
3163 | bfd_size_type size = symtab_hdr->sh_info; | |
3164 | ||
3165 | size *= sizeof (*local_got_refcounts) + sizeof (*local_got_tls_masks); | |
3166 | local_got_refcounts = (bfd_signed_vma *) bfd_zalloc (abfd, size); | |
3167 | if (local_got_refcounts == NULL) | |
3168 | return FALSE; | |
3169 | elf_local_got_refcounts (abfd) = local_got_refcounts; | |
3170 | } | |
3171 | ||
3172 | local_got_refcounts[r_symndx] += 1; | |
3173 | local_got_tls_masks = (char *) (local_got_refcounts + symtab_hdr->sh_info); | |
3174 | local_got_tls_masks[r_symndx] |= tls_type; | |
3175 | return TRUE; | |
3176 | } | |
3177 | ||
3178 | static void | |
3179 | bad_shared_reloc (abfd, r_type) | |
3180 | bfd *abfd; | |
3181 | enum elf_ppc_reloc_type r_type; | |
3182 | { | |
3183 | (*_bfd_error_handler) | |
3184 | (_("%s: relocation %s cannot be used when making a shared object"), | |
3185 | bfd_archive_filename (abfd), | |
3186 | ppc_elf_howto_table[(int) r_type]->name); | |
3187 | bfd_set_error (bfd_error_bad_value); | |
3188 | } | |
3189 | ||
252b5132 RH |
3190 | /* Look through the relocs for a section during the first phase, and |
3191 | allocate space in the global offset table or procedure linkage | |
3192 | table. */ | |
3193 | ||
b34976b6 | 3194 | static bfd_boolean |
252b5132 RH |
3195 | ppc_elf_check_relocs (abfd, info, sec, relocs) |
3196 | bfd *abfd; | |
3197 | struct bfd_link_info *info; | |
3198 | asection *sec; | |
3199 | const Elf_Internal_Rela *relocs; | |
3200 | { | |
7619e7c7 | 3201 | struct ppc_elf_link_hash_table *htab; |
252b5132 | 3202 | Elf_Internal_Shdr *symtab_hdr; |
7619e7c7 | 3203 | struct elf_link_hash_entry **sym_hashes; |
252b5132 RH |
3204 | const Elf_Internal_Rela *rel; |
3205 | const Elf_Internal_Rela *rel_end; | |
252b5132 | 3206 | asection *sreloc; |
252b5132 RH |
3207 | |
3208 | if (info->relocateable) | |
b34976b6 | 3209 | return TRUE; |
252b5132 RH |
3210 | |
3211 | #ifdef DEBUG | |
3212 | fprintf (stderr, "ppc_elf_check_relocs called for section %s in %s\n", | |
3213 | bfd_get_section_name (abfd, sec), | |
8f615d07 | 3214 | bfd_archive_filename (abfd)); |
252b5132 RH |
3215 | #endif |
3216 | ||
3217 | /* Create the linker generated sections all the time so that the | |
3218 | special symbols are created. */ | |
3219 | ||
7619e7c7 AM |
3220 | htab = ppc_elf_hash_table (info); |
3221 | if (htab->sdata == NULL) | |
252b5132 | 3222 | { |
7619e7c7 AM |
3223 | htab->sdata = elf_linker_section (abfd, LINKER_SECTION_SDATA); |
3224 | if (htab->sdata == NULL) | |
3225 | htab->sdata = ppc_elf_create_linker_section (abfd, info, | |
3226 | LINKER_SECTION_SDATA); | |
3227 | if (htab->sdata == NULL) | |
b34976b6 | 3228 | return FALSE; |
252b5132 RH |
3229 | } |
3230 | ||
7619e7c7 | 3231 | if (htab->sdata2 == NULL) |
252b5132 | 3232 | { |
7619e7c7 AM |
3233 | htab->sdata2 = elf_linker_section (abfd, LINKER_SECTION_SDATA2); |
3234 | if (htab->sdata2 == NULL) | |
3235 | htab->sdata2 = ppc_elf_create_linker_section (abfd, info, | |
3236 | LINKER_SECTION_SDATA2); | |
3237 | if (htab->sdata2 == NULL) | |
b34976b6 | 3238 | return FALSE; |
252b5132 RH |
3239 | } |
3240 | ||
252b5132 | 3241 | symtab_hdr = &elf_tdata (abfd)->symtab_hdr; |
252b5132 | 3242 | sym_hashes = elf_sym_hashes (abfd); |
252b5132 RH |
3243 | sreloc = NULL; |
3244 | ||
3245 | rel_end = relocs + sec->reloc_count; | |
3246 | for (rel = relocs; rel < rel_end; rel++) | |
3247 | { | |
3248 | unsigned long r_symndx; | |
7619e7c7 | 3249 | enum elf_ppc_reloc_type r_type; |
252b5132 | 3250 | struct elf_link_hash_entry *h; |
7619e7c7 | 3251 | int tls_type = 0; |
252b5132 RH |
3252 | |
3253 | r_symndx = ELF32_R_SYM (rel->r_info); | |
3254 | if (r_symndx < symtab_hdr->sh_info) | |
3255 | h = NULL; | |
3256 | else | |
3257 | h = sym_hashes[r_symndx - symtab_hdr->sh_info]; | |
3258 | ||
3259 | /* If a relocation refers to _GLOBAL_OFFSET_TABLE_, create the .got. | |
3260 | This shows up in particular in an R_PPC_ADDR32 in the eabi | |
3261 | startup code. */ | |
3262 | if (h && strcmp (h->root.root.string, "_GLOBAL_OFFSET_TABLE_") == 0) | |
3263 | { | |
7619e7c7 | 3264 | if (htab->got == NULL) |
252b5132 | 3265 | { |
7619e7c7 AM |
3266 | if (htab->elf.dynobj == NULL) |
3267 | htab->elf.dynobj = abfd; | |
3268 | if (!ppc_elf_create_got (htab->elf.dynobj, info)) | |
b34976b6 | 3269 | return FALSE; |
252b5132 RH |
3270 | } |
3271 | } | |
3272 | ||
7619e7c7 AM |
3273 | r_type = (enum elf_ppc_reloc_type) ELF32_R_TYPE (rel->r_info); |
3274 | switch (r_type) | |
252b5132 | 3275 | { |
7619e7c7 AM |
3276 | case R_PPC_GOT_TLSLD16: |
3277 | case R_PPC_GOT_TLSLD16_LO: | |
3278 | case R_PPC_GOT_TLSLD16_HI: | |
3279 | case R_PPC_GOT_TLSLD16_HA: | |
3280 | htab->tlsld_got.refcount += 1; | |
3281 | tls_type = TLS_TLS | TLS_LD; | |
3282 | goto dogottls; | |
3283 | ||
3284 | case R_PPC_GOT_TLSGD16: | |
3285 | case R_PPC_GOT_TLSGD16_LO: | |
3286 | case R_PPC_GOT_TLSGD16_HI: | |
3287 | case R_PPC_GOT_TLSGD16_HA: | |
3288 | tls_type = TLS_TLS | TLS_GD; | |
3289 | goto dogottls; | |
3290 | ||
3291 | case R_PPC_GOT_TPREL16: | |
3292 | case R_PPC_GOT_TPREL16_LO: | |
3293 | case R_PPC_GOT_TPREL16_HI: | |
3294 | case R_PPC_GOT_TPREL16_HA: | |
3295 | if (info->shared) | |
3296 | info->flags |= DF_STATIC_TLS; | |
3297 | tls_type = TLS_TLS | TLS_TPREL; | |
3298 | goto dogottls; | |
3299 | ||
3300 | case R_PPC_GOT_DTPREL16: | |
3301 | case R_PPC_GOT_DTPREL16_LO: | |
3302 | case R_PPC_GOT_DTPREL16_HI: | |
3303 | case R_PPC_GOT_DTPREL16_HA: | |
3304 | tls_type = TLS_TLS | TLS_DTPREL; | |
3305 | dogottls: | |
3306 | sec->has_tls_reloc = 1; | |
3307 | /* Fall thru */ | |
3308 | ||
70bccea4 | 3309 | /* GOT16 relocations */ |
252b5132 RH |
3310 | case R_PPC_GOT16: |
3311 | case R_PPC_GOT16_LO: | |
3312 | case R_PPC_GOT16_HI: | |
3313 | case R_PPC_GOT16_HA: | |
3314 | /* This symbol requires a global offset table entry. */ | |
7619e7c7 | 3315 | if (htab->got == NULL) |
252b5132 | 3316 | { |
7619e7c7 AM |
3317 | if (htab->elf.dynobj == NULL) |
3318 | htab->elf.dynobj = abfd; | |
3319 | if (!ppc_elf_create_got (htab->elf.dynobj, info)) | |
b34976b6 | 3320 | return FALSE; |
252b5132 | 3321 | } |
252b5132 RH |
3322 | if (h != NULL) |
3323 | { | |
7619e7c7 AM |
3324 | h->got.refcount += 1; |
3325 | ppc_elf_hash_entry (h)->tls_mask |= tls_type; | |
252b5132 RH |
3326 | } |
3327 | else | |
7619e7c7 AM |
3328 | /* This is a global offset table entry for a local symbol. */ |
3329 | if (!update_local_sym_info (abfd, symtab_hdr, r_symndx, tls_type)) | |
3330 | return FALSE; | |
252b5132 RH |
3331 | break; |
3332 | ||
70bccea4 | 3333 | /* Indirect .sdata relocation. */ |
252b5132 RH |
3334 | case R_PPC_EMB_SDAI16: |
3335 | if (info->shared) | |
3336 | { | |
7619e7c7 | 3337 | bad_shared_reloc (abfd, r_type); |
b34976b6 | 3338 | return FALSE; |
252b5132 | 3339 | } |
7619e7c7 AM |
3340 | if (!bfd_elf32_create_pointer_linker_section (abfd, info, |
3341 | htab->sdata, h, rel)) | |
b34976b6 | 3342 | return FALSE; |
252b5132 RH |
3343 | break; |
3344 | ||
70bccea4 | 3345 | /* Indirect .sdata2 relocation. */ |
252b5132 RH |
3346 | case R_PPC_EMB_SDA2I16: |
3347 | if (info->shared) | |
3348 | { | |
7619e7c7 | 3349 | bad_shared_reloc (abfd, r_type); |
b34976b6 | 3350 | return FALSE; |
252b5132 | 3351 | } |
7619e7c7 AM |
3352 | if (!bfd_elf32_create_pointer_linker_section (abfd, info, |
3353 | htab->sdata2, h, rel)) | |
b34976b6 | 3354 | return FALSE; |
252b5132 RH |
3355 | break; |
3356 | ||
3357 | case R_PPC_SDAREL16: | |
3358 | case R_PPC_EMB_SDA2REL: | |
3359 | case R_PPC_EMB_SDA21: | |
7619e7c7 AM |
3360 | case R_PPC_EMB_RELSDA: |
3361 | case R_PPC_EMB_NADDR32: | |
3362 | case R_PPC_EMB_NADDR16: | |
3363 | case R_PPC_EMB_NADDR16_LO: | |
3364 | case R_PPC_EMB_NADDR16_HI: | |
3365 | case R_PPC_EMB_NADDR16_HA: | |
252b5132 RH |
3366 | if (info->shared) |
3367 | { | |
7619e7c7 | 3368 | bad_shared_reloc (abfd, r_type); |
b34976b6 | 3369 | return FALSE; |
252b5132 RH |
3370 | } |
3371 | break; | |
3372 | ||
3373 | case R_PPC_PLT32: | |
3374 | case R_PPC_PLTREL24: | |
7619e7c7 | 3375 | case R_PPC_PLTREL32: |
252b5132 RH |
3376 | case R_PPC_PLT16_LO: |
3377 | case R_PPC_PLT16_HI: | |
3378 | case R_PPC_PLT16_HA: | |
3379 | #ifdef DEBUG | |
3380 | fprintf (stderr, "Reloc requires a PLT entry\n"); | |
3381 | #endif | |
3382 | /* This symbol requires a procedure linkage table entry. We | |
70bccea4 AM |
3383 | actually build the entry in finish_dynamic_symbol, |
3384 | because this might be a case of linking PIC code without | |
3385 | linking in any dynamic objects, in which case we don't | |
3386 | need to generate a procedure linkage table after all. */ | |
252b5132 RH |
3387 | |
3388 | if (h == NULL) | |
3389 | { | |
3390 | /* It does not make sense to have a procedure linkage | |
70bccea4 | 3391 | table entry for a local symbol. */ |
252b5132 | 3392 | bfd_set_error (bfd_error_bad_value); |
b34976b6 | 3393 | return FALSE; |
252b5132 RH |
3394 | } |
3395 | ||
51b64d56 AM |
3396 | h->elf_link_hash_flags |= ELF_LINK_HASH_NEEDS_PLT; |
3397 | h->plt.refcount++; | |
252b5132 RH |
3398 | break; |
3399 | ||
3400 | /* The following relocations don't need to propagate the | |
3401 | relocation if linking a shared object since they are | |
3402 | section relative. */ | |
3403 | case R_PPC_SECTOFF: | |
3404 | case R_PPC_SECTOFF_LO: | |
3405 | case R_PPC_SECTOFF_HI: | |
3406 | case R_PPC_SECTOFF_HA: | |
7619e7c7 AM |
3407 | case R_PPC_DTPREL16: |
3408 | case R_PPC_DTPREL16_LO: | |
3409 | case R_PPC_DTPREL16_HI: | |
3410 | case R_PPC_DTPREL16_HA: | |
3411 | case R_PPC_TOC16: | |
3412 | break; | |
3413 | ||
3414 | /* This are just markers. */ | |
3415 | case R_PPC_TLS: | |
3416 | case R_PPC_EMB_MRKREF: | |
3417 | case R_PPC_NONE: | |
3418 | case R_PPC_max: | |
3419 | break; | |
3420 | ||
3421 | /* These should only appear in dynamic objects. */ | |
3422 | case R_PPC_COPY: | |
3423 | case R_PPC_GLOB_DAT: | |
3424 | case R_PPC_JMP_SLOT: | |
3425 | case R_PPC_RELATIVE: | |
3426 | break; | |
3427 | ||
3428 | /* These aren't handled yet. We'll report an error later. */ | |
3429 | case R_PPC_ADDR30: | |
3430 | case R_PPC_EMB_RELSEC16: | |
3431 | case R_PPC_EMB_RELST_LO: | |
3432 | case R_PPC_EMB_RELST_HI: | |
3433 | case R_PPC_EMB_RELST_HA: | |
3434 | case R_PPC_EMB_BIT_FLD: | |
252b5132 RH |
3435 | break; |
3436 | ||
ae9a127f | 3437 | /* This refers only to functions defined in the shared library. */ |
252b5132 RH |
3438 | case R_PPC_LOCAL24PC: |
3439 | break; | |
3440 | ||
3441 | /* This relocation describes the C++ object vtable hierarchy. | |
3442 | Reconstruct it for later use during GC. */ | |
3443 | case R_PPC_GNU_VTINHERIT: | |
3444 | if (!_bfd_elf32_gc_record_vtinherit (abfd, sec, h, rel->r_offset)) | |
b34976b6 | 3445 | return FALSE; |
252b5132 RH |
3446 | break; |
3447 | ||
3448 | /* This relocation describes which C++ vtable entries are actually | |
3449 | used. Record for later use during GC. */ | |
3450 | case R_PPC_GNU_VTENTRY: | |
3451 | if (!_bfd_elf32_gc_record_vtentry (abfd, sec, h, rel->r_addend)) | |
b34976b6 | 3452 | return FALSE; |
252b5132 RH |
3453 | break; |
3454 | ||
7619e7c7 AM |
3455 | /* We shouldn't really be seeing these. */ |
3456 | case R_PPC_TPREL32: | |
3457 | if (info->shared) | |
3458 | info->flags |= DF_STATIC_TLS; | |
3459 | goto dodyn; | |
3460 | ||
3461 | /* Nor these. */ | |
3462 | case R_PPC_DTPMOD32: | |
3463 | case R_PPC_DTPREL32: | |
3464 | goto dodyn; | |
3465 | ||
3466 | case R_PPC_TPREL16: | |
3467 | case R_PPC_TPREL16_LO: | |
3468 | case R_PPC_TPREL16_HI: | |
3469 | case R_PPC_TPREL16_HA: | |
3470 | if (info->shared) | |
3471 | info->flags |= DF_STATIC_TLS; | |
3472 | goto dodyn; | |
3473 | ||
252b5132 RH |
3474 | /* When creating a shared object, we must copy these |
3475 | relocs into the output file. We create a reloc | |
3476 | section in dynobj and make room for the reloc. */ | |
3477 | case R_PPC_REL24: | |
3478 | case R_PPC_REL14: | |
3479 | case R_PPC_REL14_BRTAKEN: | |
3480 | case R_PPC_REL14_BRNTAKEN: | |
3481 | case R_PPC_REL32: | |
3482 | if (h == NULL | |
2b98e6c0 | 3483 | || strcmp (h->root.root.string, "_GLOBAL_OFFSET_TABLE_") == 0) |
252b5132 RH |
3484 | break; |
3485 | /* fall through */ | |
3486 | ||
7619e7c7 AM |
3487 | case R_PPC_ADDR32: |
3488 | case R_PPC_ADDR24: | |
3489 | case R_PPC_ADDR16: | |
3490 | case R_PPC_ADDR16_LO: | |
3491 | case R_PPC_ADDR16_HI: | |
3492 | case R_PPC_ADDR16_HA: | |
3493 | case R_PPC_ADDR14: | |
3494 | case R_PPC_ADDR14_BRTAKEN: | |
3495 | case R_PPC_ADDR14_BRNTAKEN: | |
3496 | case R_PPC_UADDR32: | |
3497 | case R_PPC_UADDR16: | |
3498 | if (h != NULL && !info->shared) | |
3499 | { | |
3500 | /* We may need a plt entry if the symbol turns out to be | |
3501 | a function defined in a dynamic object. */ | |
3502 | h->plt.refcount++; | |
3503 | ||
3504 | /* We may need a copy reloc too. */ | |
3505 | h->elf_link_hash_flags |= ELF_LINK_NON_GOT_REF; | |
3506 | } | |
ee05f2fe | 3507 | |
7619e7c7 | 3508 | dodyn: |
ee05f2fe AM |
3509 | /* If we are creating a shared library, and this is a reloc |
3510 | against a global symbol, or a non PC relative reloc | |
3511 | against a local symbol, then we need to copy the reloc | |
3512 | into the shared library. However, if we are linking with | |
3513 | -Bsymbolic, we do not need to copy a reloc against a | |
3514 | global symbol which is defined in an object we are | |
3515 | including in the link (i.e., DEF_REGULAR is set). At | |
3516 | this point we have not seen all the input files, so it is | |
3517 | possible that DEF_REGULAR is not set now but will be set | |
3518 | later (it is never cleared). In case of a weak definition, | |
3519 | DEF_REGULAR may be cleared later by a strong definition in | |
3520 | a shared library. We account for that possibility below by | |
3521 | storing information in the dyn_relocs field of the hash | |
3522 | table entry. A similar situation occurs when creating | |
3523 | shared libraries and symbol visibility changes render the | |
3524 | symbol local. | |
3525 | ||
3526 | If on the other hand, we are creating an executable, we | |
3527 | may need to keep relocations for symbols satisfied by a | |
3528 | dynamic library if we manage to avoid copy relocs for the | |
3529 | symbol. */ | |
3530 | if ((info->shared | |
3531 | && (MUST_BE_DYN_RELOC (r_type) | |
3532 | || (h != NULL | |
3533 | && (! info->symbolic | |
3534 | || h->root.type == bfd_link_hash_defweak | |
3535 | || (h->elf_link_hash_flags | |
3536 | & ELF_LINK_HASH_DEF_REGULAR) == 0)))) | |
3537 | || (ELIMINATE_COPY_RELOCS | |
3538 | && !info->shared | |
3539 | && (sec->flags & SEC_ALLOC) != 0 | |
3540 | && h != NULL | |
3541 | && (h->root.type == bfd_link_hash_defweak | |
3542 | || (h->elf_link_hash_flags | |
3543 | & ELF_LINK_HASH_DEF_REGULAR) == 0))) | |
252b5132 | 3544 | { |
7fce784e AS |
3545 | struct ppc_elf_dyn_relocs *p; |
3546 | struct ppc_elf_dyn_relocs **head; | |
3547 | ||
252b5132 RH |
3548 | #ifdef DEBUG |
3549 | fprintf (stderr, "ppc_elf_check_relocs need to create relocation for %s\n", | |
70bccea4 AM |
3550 | (h && h->root.root.string |
3551 | ? h->root.root.string : "<unknown>")); | |
252b5132 RH |
3552 | #endif |
3553 | if (sreloc == NULL) | |
3554 | { | |
3555 | const char *name; | |
3556 | ||
3557 | name = (bfd_elf_string_from_elf_section | |
3558 | (abfd, | |
3559 | elf_elfheader (abfd)->e_shstrndx, | |
3560 | elf_section_data (sec)->rel_hdr.sh_name)); | |
3561 | if (name == NULL) | |
b34976b6 | 3562 | return FALSE; |
252b5132 RH |
3563 | |
3564 | BFD_ASSERT (strncmp (name, ".rela", 5) == 0 | |
3565 | && strcmp (bfd_get_section_name (abfd, sec), | |
3566 | name + 5) == 0); | |
3567 | ||
7619e7c7 | 3568 | sreloc = bfd_get_section_by_name (htab->elf.dynobj, name); |
252b5132 RH |
3569 | if (sreloc == NULL) |
3570 | { | |
3571 | flagword flags; | |
3572 | ||
7619e7c7 | 3573 | sreloc = bfd_make_section (htab->elf.dynobj, name); |
252b5132 RH |
3574 | flags = (SEC_HAS_CONTENTS | SEC_READONLY |
3575 | | SEC_IN_MEMORY | SEC_LINKER_CREATED); | |
3576 | if ((sec->flags & SEC_ALLOC) != 0) | |
3577 | flags |= SEC_ALLOC | SEC_LOAD; | |
3578 | if (sreloc == NULL | |
7619e7c7 AM |
3579 | || ! bfd_set_section_flags (htab->elf.dynobj, |
3580 | sreloc, flags) | |
3581 | || ! bfd_set_section_alignment (htab->elf.dynobj, | |
3582 | sreloc, 2)) | |
b34976b6 | 3583 | return FALSE; |
252b5132 | 3584 | } |
7fce784e AS |
3585 | elf_section_data (sec)->sreloc = sreloc; |
3586 | } | |
3587 | ||
3588 | /* If this is a global symbol, we count the number of | |
3589 | relocations we need for this symbol. */ | |
3590 | if (h != NULL) | |
3591 | { | |
3592 | head = &ppc_elf_hash_entry (h)->dyn_relocs; | |
252b5132 | 3593 | } |
7fce784e AS |
3594 | else |
3595 | { | |
3596 | /* Track dynamic relocs needed for local syms too. | |
3597 | We really need local syms available to do this | |
3598 | easily. Oh well. */ | |
3599 | ||
3600 | asection *s; | |
ee05f2fe AM |
3601 | s = bfd_section_from_r_symndx (abfd, &htab->sym_sec, |
3602 | sec, r_symndx); | |
7fce784e AS |
3603 | if (s == NULL) |
3604 | return FALSE; | |
252b5132 | 3605 | |
7fce784e AS |
3606 | head = ((struct ppc_elf_dyn_relocs **) |
3607 | &elf_section_data (s)->local_dynrel); | |
3608 | } | |
252b5132 | 3609 | |
7fce784e AS |
3610 | p = *head; |
3611 | if (p == NULL || p->sec != sec) | |
3612 | { | |
3613 | p = ((struct ppc_elf_dyn_relocs *) | |
7619e7c7 | 3614 | bfd_alloc (htab->elf.dynobj, sizeof *p)); |
7fce784e AS |
3615 | if (p == NULL) |
3616 | return FALSE; | |
3617 | p->next = *head; | |
3618 | *head = p; | |
3619 | p->sec = sec; | |
3620 | p->count = 0; | |
ee05f2fe | 3621 | p->pc_count = 0; |
7fce784e AS |
3622 | } |
3623 | ||
ee05f2fe AM |
3624 | p->count += 1; |
3625 | if (!MUST_BE_DYN_RELOC (r_type)) | |
3626 | p->pc_count += 1; | |
252b5132 RH |
3627 | } |
3628 | ||
3629 | break; | |
3630 | } | |
3631 | } | |
3632 | ||
b34976b6 | 3633 | return TRUE; |
252b5132 RH |
3634 | } |
3635 | ||
3636 | /* Return the section that should be marked against GC for a given | |
3637 | relocation. */ | |
3638 | ||
3639 | static asection * | |
1e2f5b6e AM |
3640 | ppc_elf_gc_mark_hook (sec, info, rel, h, sym) |
3641 | asection *sec; | |
5f771d47 | 3642 | struct bfd_link_info *info ATTRIBUTE_UNUSED; |
252b5132 RH |
3643 | Elf_Internal_Rela *rel; |
3644 | struct elf_link_hash_entry *h; | |
3645 | Elf_Internal_Sym *sym; | |
3646 | { | |
3647 | if (h != NULL) | |
3648 | { | |
3649 | switch (ELF32_R_TYPE (rel->r_info)) | |
3650 | { | |
3651 | case R_PPC_GNU_VTINHERIT: | |
3652 | case R_PPC_GNU_VTENTRY: | |
3653 | break; | |
3654 | ||
3655 | default: | |
3656 | switch (h->root.type) | |
3657 | { | |
3658 | case bfd_link_hash_defined: | |
3659 | case bfd_link_hash_defweak: | |
3660 | return h->root.u.def.section; | |
3661 | ||
3662 | case bfd_link_hash_common: | |
3663 | return h->root.u.c.p->section; | |
3664 | ||
3665 | default: | |
3666 | break; | |
3667 | } | |
3668 | } | |
3669 | } | |
3670 | else | |
1e2f5b6e | 3671 | return bfd_section_from_elf_index (sec->owner, sym->st_shndx); |
252b5132 RH |
3672 | |
3673 | return NULL; | |
3674 | } | |
3675 | ||
7619e7c7 AM |
3676 | /* Update the got, plt and dynamic reloc reference counts for the |
3677 | section being removed. */ | |
252b5132 | 3678 | |
b34976b6 | 3679 | static bfd_boolean |
252b5132 RH |
3680 | ppc_elf_gc_sweep_hook (abfd, info, sec, relocs) |
3681 | bfd *abfd; | |
7619e7c7 | 3682 | struct bfd_link_info *info; |
252b5132 RH |
3683 | asection *sec; |
3684 | const Elf_Internal_Rela *relocs; | |
3685 | { | |
7619e7c7 | 3686 | struct ppc_elf_link_hash_table *htab; |
252b5132 RH |
3687 | Elf_Internal_Shdr *symtab_hdr; |
3688 | struct elf_link_hash_entry **sym_hashes; | |
3689 | bfd_signed_vma *local_got_refcounts; | |
3690 | const Elf_Internal_Rela *rel, *relend; | |
252b5132 | 3691 | |
7fce784e AS |
3692 | elf_section_data (sec)->local_dynrel = NULL; |
3693 | ||
7619e7c7 | 3694 | htab = ppc_elf_hash_table (info); |
252b5132 RH |
3695 | symtab_hdr = &elf_tdata (abfd)->symtab_hdr; |
3696 | sym_hashes = elf_sym_hashes (abfd); | |
3697 | local_got_refcounts = elf_local_got_refcounts (abfd); | |
3698 | ||
3699 | relend = relocs + sec->reloc_count; | |
3700 | for (rel = relocs; rel < relend; rel++) | |
7619e7c7 AM |
3701 | { |
3702 | unsigned long r_symndx; | |
3703 | enum elf_ppc_reloc_type r_type; | |
3704 | struct elf_link_hash_entry *h = NULL; | |
252b5132 | 3705 | |
7619e7c7 AM |
3706 | r_symndx = ELF32_R_SYM (rel->r_info); |
3707 | if (r_symndx >= symtab_hdr->sh_info) | |
3708 | { | |
3709 | struct ppc_elf_dyn_relocs **pp, *p; | |
3710 | struct ppc_elf_link_hash_entry *eh; | |
3711 | ||
3712 | h = sym_hashes[r_symndx - symtab_hdr->sh_info]; | |
3713 | eh = (struct ppc_elf_link_hash_entry *) h; | |
3714 | ||
3715 | for (pp = &eh->dyn_relocs; (p = *pp) != NULL; pp = &p->next) | |
3716 | if (p->sec == sec) | |
3717 | { | |
3718 | /* Everything must go for SEC. */ | |
3719 | *pp = p->next; | |
3720 | break; | |
3721 | } | |
3722 | } | |
3723 | ||
3724 | r_type = (enum elf_ppc_reloc_type) ELF32_R_TYPE (rel->r_info); | |
3725 | switch (r_type) | |
3726 | { | |
3727 | case R_PPC_GOT_TLSLD16: | |
3728 | case R_PPC_GOT_TLSLD16_LO: | |
3729 | case R_PPC_GOT_TLSLD16_HI: | |
3730 | case R_PPC_GOT_TLSLD16_HA: | |
3731 | htab->tlsld_got.refcount -= 1; | |
3732 | /* Fall thru */ | |
3733 | ||
3734 | case R_PPC_GOT_TLSGD16: | |
3735 | case R_PPC_GOT_TLSGD16_LO: | |
3736 | case R_PPC_GOT_TLSGD16_HI: | |
3737 | case R_PPC_GOT_TLSGD16_HA: | |
3738 | case R_PPC_GOT_TPREL16: | |
3739 | case R_PPC_GOT_TPREL16_LO: | |
3740 | case R_PPC_GOT_TPREL16_HI: | |
3741 | case R_PPC_GOT_TPREL16_HA: | |
3742 | case R_PPC_GOT_DTPREL16: | |
3743 | case R_PPC_GOT_DTPREL16_LO: | |
3744 | case R_PPC_GOT_DTPREL16_HI: | |
3745 | case R_PPC_GOT_DTPREL16_HA: | |
3746 | case R_PPC_GOT16: | |
3747 | case R_PPC_GOT16_LO: | |
3748 | case R_PPC_GOT16_HI: | |
3749 | case R_PPC_GOT16_HA: | |
3750 | if (h != NULL) | |
3751 | { | |
3752 | if (h->got.refcount > 0) | |
3753 | h->got.refcount--; | |
3754 | } | |
3755 | else if (local_got_refcounts != NULL) | |
3756 | { | |
3757 | if (local_got_refcounts[r_symndx] > 0) | |
3758 | local_got_refcounts[r_symndx]--; | |
3759 | } | |
3760 | break; | |
3761 | ||
3762 | case R_PPC_REL24: | |
3763 | case R_PPC_REL14: | |
3764 | case R_PPC_REL14_BRTAKEN: | |
3765 | case R_PPC_REL14_BRNTAKEN: | |
3766 | case R_PPC_REL32: | |
3767 | if (h == NULL | |
2b98e6c0 | 3768 | || strcmp (h->root.root.string, "_GLOBAL_OFFSET_TABLE_") == 0) |
7619e7c7 AM |
3769 | break; |
3770 | /* Fall thru */ | |
3771 | ||
3772 | case R_PPC_ADDR32: | |
3773 | case R_PPC_ADDR24: | |
3774 | case R_PPC_ADDR16: | |
3775 | case R_PPC_ADDR16_LO: | |
3776 | case R_PPC_ADDR16_HI: | |
3777 | case R_PPC_ADDR16_HA: | |
3778 | case R_PPC_ADDR14: | |
3779 | case R_PPC_ADDR14_BRTAKEN: | |
3780 | case R_PPC_ADDR14_BRNTAKEN: | |
3781 | case R_PPC_UADDR32: | |
3782 | case R_PPC_UADDR16: | |
3783 | case R_PPC_PLT32: | |
3784 | case R_PPC_PLTREL24: | |
3785 | case R_PPC_PLT16_LO: | |
3786 | case R_PPC_PLT16_HI: | |
3787 | case R_PPC_PLT16_HA: | |
3788 | if (h != NULL) | |
3789 | { | |
3790 | if (h->plt.refcount > 0) | |
3791 | h->plt.refcount--; | |
3792 | } | |
3793 | break; | |
3794 | ||
3795 | default: | |
3796 | break; | |
3797 | } | |
3798 | } | |
3799 | return TRUE; | |
3800 | } | |
3801 | ||
3802 | /* Set htab->tls_sec and htab->tls_get_addr. */ | |
3803 | ||
3804 | bfd_boolean | |
3805 | ppc_elf_tls_setup (obfd, info) | |
3806 | bfd *obfd; | |
3807 | struct bfd_link_info *info; | |
3808 | { | |
3809 | asection *tls; | |
3810 | struct ppc_elf_link_hash_table *htab; | |
3811 | ||
3812 | htab = ppc_elf_hash_table (info); | |
3813 | htab->tls_get_addr = elf_link_hash_lookup (&htab->elf, "__tls_get_addr", | |
3814 | FALSE, FALSE, TRUE); | |
3815 | ||
3816 | for (tls = obfd->sections; tls != NULL; tls = tls->next) | |
3817 | if ((tls->flags & (SEC_THREAD_LOCAL | SEC_LOAD)) | |
3818 | == (SEC_THREAD_LOCAL | SEC_LOAD)) | |
3819 | break; | |
3820 | htab->tls_sec = tls; | |
3821 | ||
3822 | return tls != NULL; | |
3823 | } | |
3824 | ||
3825 | /* Run through all the TLS relocs looking for optimization | |
3826 | opportunities. */ | |
3827 | ||
3828 | bfd_boolean | |
3829 | ppc_elf_tls_optimize (obfd, info) | |
3830 | bfd *obfd ATTRIBUTE_UNUSED; | |
3831 | struct bfd_link_info *info; | |
3832 | { | |
3833 | bfd *ibfd; | |
3834 | asection *sec; | |
3835 | struct ppc_elf_link_hash_table *htab; | |
3836 | ||
3837 | if (info->relocateable || info->shared) | |
3838 | return TRUE; | |
3839 | ||
3840 | htab = ppc_elf_hash_table (info); | |
3841 | for (ibfd = info->input_bfds; ibfd != NULL; ibfd = ibfd->link_next) | |
3842 | { | |
3843 | Elf_Internal_Sym *locsyms = NULL; | |
3844 | Elf_Internal_Shdr *symtab_hdr = &elf_tdata (ibfd)->symtab_hdr; | |
3845 | ||
3846 | for (sec = ibfd->sections; sec != NULL; sec = sec->next) | |
3847 | if (sec->has_tls_reloc && !bfd_is_abs_section (sec->output_section)) | |
7fce784e | 3848 | { |
7619e7c7 AM |
3849 | Elf_Internal_Rela *relstart, *rel, *relend; |
3850 | int expecting_tls_get_addr; | |
3851 | ||
3852 | /* Read the relocations. */ | |
3853 | relstart = _bfd_elf32_link_read_relocs (ibfd, sec, (PTR) NULL, | |
3854 | (Elf_Internal_Rela *) NULL, | |
3855 | info->keep_memory); | |
3856 | if (relstart == NULL) | |
3857 | return FALSE; | |
3858 | ||
3859 | expecting_tls_get_addr = 0; | |
3860 | relend = relstart + sec->reloc_count; | |
3861 | for (rel = relstart; rel < relend; rel++) | |
3862 | { | |
3863 | enum elf_ppc_reloc_type r_type; | |
3864 | unsigned long r_symndx; | |
3865 | struct elf_link_hash_entry *h = NULL; | |
3866 | char *tls_mask; | |
3867 | char tls_set, tls_clear; | |
3868 | bfd_boolean is_local; | |
3869 | ||
3870 | r_symndx = ELF32_R_SYM (rel->r_info); | |
3871 | if (r_symndx >= symtab_hdr->sh_info) | |
3872 | { | |
3873 | struct elf_link_hash_entry **sym_hashes; | |
7fce784e | 3874 | |
7619e7c7 AM |
3875 | sym_hashes = elf_sym_hashes (ibfd); |
3876 | h = sym_hashes[r_symndx - symtab_hdr->sh_info]; | |
3877 | while (h->root.type == bfd_link_hash_indirect | |
3878 | || h->root.type == bfd_link_hash_warning) | |
3879 | h = (struct elf_link_hash_entry *) h->root.u.i.link; | |
3880 | } | |
7fce784e | 3881 | |
7619e7c7 AM |
3882 | is_local = FALSE; |
3883 | if (h == NULL | |
3884 | || !(h->elf_link_hash_flags & ELF_LINK_HASH_DEF_DYNAMIC)) | |
3885 | is_local = TRUE; | |
3886 | ||
3887 | r_type = (enum elf_ppc_reloc_type) ELF32_R_TYPE (rel->r_info); | |
3888 | switch (r_type) | |
3889 | { | |
3890 | case R_PPC_GOT_TLSLD16: | |
3891 | case R_PPC_GOT_TLSLD16_LO: | |
3892 | case R_PPC_GOT_TLSLD16_HI: | |
3893 | case R_PPC_GOT_TLSLD16_HA: | |
3894 | /* These relocs should never be against a symbol | |
3895 | defined in a shared lib. Leave them alone if | |
3896 | that turns out to be the case. */ | |
3897 | expecting_tls_get_addr = 0; | |
3898 | htab->tlsld_got.refcount -= 1; | |
3899 | if (!is_local) | |
3900 | continue; | |
3901 | ||
3902 | /* LD -> LE */ | |
3903 | tls_set = 0; | |
3904 | tls_clear = TLS_LD; | |
3905 | expecting_tls_get_addr = 1; | |
3906 | break; | |
3907 | ||
3908 | case R_PPC_GOT_TLSGD16: | |
3909 | case R_PPC_GOT_TLSGD16_LO: | |
3910 | case R_PPC_GOT_TLSGD16_HI: | |
3911 | case R_PPC_GOT_TLSGD16_HA: | |
3912 | if (is_local) | |
3913 | /* GD -> LE */ | |
3914 | tls_set = 0; | |
3915 | else | |
3916 | /* GD -> IE */ | |
3917 | tls_set = TLS_TLS | TLS_TPRELGD; | |
3918 | tls_clear = TLS_GD; | |
3919 | expecting_tls_get_addr = 1; | |
3920 | break; | |
3921 | ||
3922 | case R_PPC_GOT_TPREL16: | |
3923 | case R_PPC_GOT_TPREL16_LO: | |
3924 | case R_PPC_GOT_TPREL16_HI: | |
3925 | case R_PPC_GOT_TPREL16_HA: | |
3926 | expecting_tls_get_addr = 0; | |
3927 | if (is_local) | |
3928 | { | |
3929 | /* IE -> LE */ | |
3930 | tls_set = 0; | |
3931 | tls_clear = TLS_TPREL; | |
3932 | break; | |
3933 | } | |
3934 | else | |
3935 | continue; | |
3936 | ||
3937 | case R_PPC_REL14: | |
3938 | case R_PPC_REL14_BRTAKEN: | |
3939 | case R_PPC_REL14_BRNTAKEN: | |
3940 | case R_PPC_REL24: | |
3941 | if (expecting_tls_get_addr | |
3942 | && h != NULL | |
3943 | && h == htab->tls_get_addr) | |
3944 | { | |
3945 | if (h->plt.refcount > 0) | |
3946 | h->plt.refcount -= 1; | |
3947 | } | |
3948 | expecting_tls_get_addr = 0; | |
3949 | continue; | |
3950 | ||
3951 | default: | |
3952 | expecting_tls_get_addr = 0; | |
3953 | continue; | |
3954 | } | |
3955 | ||
3956 | if (h != NULL) | |
3957 | { | |
3958 | if (tls_set == 0) | |
3959 | { | |
3960 | /* We managed to get rid of a got entry. */ | |
3961 | if (h->got.refcount > 0) | |
3962 | h->got.refcount -= 1; | |
3963 | } | |
3964 | tls_mask = &ppc_elf_hash_entry (h)->tls_mask; | |
3965 | } | |
3966 | else | |
3967 | { | |
3968 | Elf_Internal_Sym *sym; | |
3969 | bfd_signed_vma *lgot_refs; | |
3970 | char *lgot_masks; | |
3971 | ||
3972 | if (locsyms == NULL) | |
3973 | { | |
3974 | locsyms = (Elf_Internal_Sym *) symtab_hdr->contents; | |
3975 | if (locsyms == NULL) | |
3976 | locsyms = bfd_elf_get_elf_syms (ibfd, symtab_hdr, | |
3977 | symtab_hdr->sh_info, | |
3978 | 0, NULL, NULL, NULL); | |
3979 | if (locsyms == NULL) | |
3980 | { | |
3981 | if (elf_section_data (sec)->relocs != relstart) | |
3982 | free (relstart); | |
3983 | return FALSE; | |
3984 | } | |
3985 | } | |
3986 | sym = locsyms + r_symndx; | |
3987 | lgot_refs = elf_local_got_refcounts (ibfd); | |
3988 | if (lgot_refs == NULL) | |
3989 | abort (); | |
3990 | if (tls_set == 0) | |
3991 | { | |
3992 | /* We managed to get rid of a got entry. */ | |
3993 | if (lgot_refs[r_symndx] > 0) | |
3994 | lgot_refs[r_symndx] -= 1; | |
3995 | } | |
3996 | lgot_masks = (char *) (lgot_refs + symtab_hdr->sh_info); | |
3997 | tls_mask = &lgot_masks[r_symndx]; | |
3998 | } | |
3999 | ||
4000 | *tls_mask |= tls_set; | |
4001 | *tls_mask &= ~tls_clear; | |
4002 | } | |
4003 | ||
4004 | if (elf_section_data (sec)->relocs != relstart) | |
4005 | free (relstart); | |
7fce784e | 4006 | } |
252b5132 | 4007 | |
7619e7c7 AM |
4008 | if (locsyms != NULL |
4009 | && (symtab_hdr->contents != (unsigned char *) locsyms)) | |
4010 | { | |
4011 | if (!info->keep_memory) | |
4012 | free (locsyms); | |
4013 | else | |
4014 | symtab_hdr->contents = (unsigned char *) locsyms; | |
4015 | } | |
4016 | } | |
b34976b6 | 4017 | return TRUE; |
252b5132 RH |
4018 | } |
4019 | \f | |
4020 | /* Hook called by the linker routine which adds symbols from an object | |
4021 | file. We use it to put .comm items in .sbss, and not .bss. */ | |
4022 | ||
b34976b6 | 4023 | static bfd_boolean |
252b5132 RH |
4024 | ppc_elf_add_symbol_hook (abfd, info, sym, namep, flagsp, secp, valp) |
4025 | bfd *abfd; | |
4026 | struct bfd_link_info *info; | |
4027 | const Elf_Internal_Sym *sym; | |
5f771d47 ILT |
4028 | const char **namep ATTRIBUTE_UNUSED; |
4029 | flagword *flagsp ATTRIBUTE_UNUSED; | |
252b5132 RH |
4030 | asection **secp; |
4031 | bfd_vma *valp; | |
4032 | { | |
4033 | if (sym->st_shndx == SHN_COMMON | |
4034 | && !info->relocateable | |
27242387 AM |
4035 | && sym->st_size <= elf_gp_size (abfd) |
4036 | && info->hash->creator->flavour == bfd_target_elf_flavour) | |
252b5132 RH |
4037 | { |
4038 | /* Common symbols less than or equal to -G nn bytes are automatically | |
4039 | put into .sdata. */ | |
4040 | elf_linker_section_t *sdata | |
4041 | = ppc_elf_create_linker_section (abfd, info, LINKER_SECTION_SDATA); | |
4042 | ||
4043 | if (!sdata->bss_section) | |
4044 | { | |
dc810e39 AM |
4045 | bfd_size_type amt; |
4046 | ||
252b5132 | 4047 | /* We don't go through bfd_make_section, because we don't |
70bccea4 AM |
4048 | want to attach this common section to DYNOBJ. The linker |
4049 | will move the symbols to the appropriate output section | |
4050 | when it defines common symbols. */ | |
dc810e39 AM |
4051 | amt = sizeof (asection); |
4052 | sdata->bss_section = (asection *) bfd_zalloc (abfd, amt); | |
252b5132 | 4053 | if (sdata->bss_section == NULL) |
b34976b6 | 4054 | return FALSE; |
252b5132 RH |
4055 | sdata->bss_section->name = sdata->bss_name; |
4056 | sdata->bss_section->flags = SEC_IS_COMMON; | |
4057 | sdata->bss_section->output_section = sdata->bss_section; | |
dc810e39 AM |
4058 | amt = sizeof (asymbol); |
4059 | sdata->bss_section->symbol = (asymbol *) bfd_zalloc (abfd, amt); | |
4060 | amt = sizeof (asymbol *); | |
252b5132 | 4061 | sdata->bss_section->symbol_ptr_ptr = |
dc810e39 | 4062 | (asymbol **) bfd_zalloc (abfd, amt); |
252b5132 RH |
4063 | if (sdata->bss_section->symbol == NULL |
4064 | || sdata->bss_section->symbol_ptr_ptr == NULL) | |
b34976b6 | 4065 | return FALSE; |
252b5132 RH |
4066 | sdata->bss_section->symbol->name = sdata->bss_name; |
4067 | sdata->bss_section->symbol->flags = BSF_SECTION_SYM; | |
4068 | sdata->bss_section->symbol->section = sdata->bss_section; | |
4069 | *sdata->bss_section->symbol_ptr_ptr = sdata->bss_section->symbol; | |
4070 | } | |
4071 | ||
4072 | *secp = sdata->bss_section; | |
4073 | *valp = sym->st_size; | |
4074 | } | |
4075 | ||
b34976b6 | 4076 | return TRUE; |
252b5132 | 4077 | } |
252b5132 RH |
4078 | \f |
4079 | /* Finish up dynamic symbol handling. We set the contents of various | |
4080 | dynamic sections here. */ | |
4081 | ||
b34976b6 | 4082 | static bfd_boolean |
252b5132 RH |
4083 | ppc_elf_finish_dynamic_symbol (output_bfd, info, h, sym) |
4084 | bfd *output_bfd; | |
4085 | struct bfd_link_info *info; | |
4086 | struct elf_link_hash_entry *h; | |
4087 | Elf_Internal_Sym *sym; | |
4088 | { | |
7619e7c7 | 4089 | struct ppc_elf_link_hash_table *htab; |
252b5132 RH |
4090 | |
4091 | #ifdef DEBUG | |
4092 | fprintf (stderr, "ppc_elf_finish_dynamic_symbol called for %s", | |
4093 | h->root.root.string); | |
4094 | #endif | |
4095 | ||
7619e7c7 AM |
4096 | htab = ppc_elf_hash_table (info); |
4097 | BFD_ASSERT (htab->elf.dynobj != NULL); | |
252b5132 RH |
4098 | |
4099 | if (h->plt.offset != (bfd_vma) -1) | |
4100 | { | |
252b5132 | 4101 | Elf_Internal_Rela rela; |
947216bf | 4102 | bfd_byte *loc; |
252b5132 RH |
4103 | bfd_vma reloc_index; |
4104 | ||
4105 | #ifdef DEBUG | |
4106 | fprintf (stderr, ", plt_offset = %d", h->plt.offset); | |
4107 | #endif | |
4108 | ||
4109 | /* This symbol has an entry in the procedure linkage table. Set | |
70bccea4 | 4110 | it up. */ |
252b5132 RH |
4111 | |
4112 | BFD_ASSERT (h->dynindx != -1); | |
7619e7c7 | 4113 | BFD_ASSERT (htab->plt != NULL && htab->relplt != NULL); |
252b5132 RH |
4114 | |
4115 | /* We don't need to fill in the .plt. The ppc dynamic linker | |
4116 | will fill it in. */ | |
4117 | ||
4118 | /* Fill in the entry in the .rela.plt section. */ | |
7619e7c7 AM |
4119 | rela.r_offset = (htab->plt->output_section->vma |
4120 | + htab->plt->output_offset | |
252b5132 RH |
4121 | + h->plt.offset); |
4122 | rela.r_info = ELF32_R_INFO (h->dynindx, R_PPC_JMP_SLOT); | |
4123 | rela.r_addend = 0; | |
4124 | ||
4125 | reloc_index = (h->plt.offset - PLT_INITIAL_ENTRY_SIZE) / PLT_SLOT_SIZE; | |
4126 | if (reloc_index > PLT_NUM_SINGLE_ENTRIES) | |
4127 | reloc_index -= (reloc_index - PLT_NUM_SINGLE_ENTRIES) / 2; | |
7619e7c7 AM |
4128 | loc = (htab->relplt->contents |
4129 | + reloc_index * sizeof (Elf32_External_Rela)); | |
947216bf | 4130 | bfd_elf32_swap_reloca_out (output_bfd, &rela, loc); |
252b5132 RH |
4131 | |
4132 | if ((h->elf_link_hash_flags & ELF_LINK_HASH_DEF_REGULAR) == 0) | |
4133 | { | |
4134 | /* Mark the symbol as undefined, rather than as defined in | |
4135 | the .plt section. Leave the value alone. */ | |
4136 | sym->st_shndx = SHN_UNDEF; | |
a4b120e1 GK |
4137 | /* If the symbol is weak, we do need to clear the value. |
4138 | Otherwise, the PLT entry would provide a definition for | |
4139 | the symbol even if the symbol wasn't defined anywhere, | |
4140 | and so the symbol would never be NULL. */ | |
c3668558 | 4141 | if ((h->elf_link_hash_flags & ELF_LINK_HASH_REF_REGULAR_NONWEAK) |
a4b120e1 GK |
4142 | == 0) |
4143 | sym->st_value = 0; | |
252b5132 RH |
4144 | } |
4145 | } | |
4146 | ||
252b5132 RH |
4147 | if ((h->elf_link_hash_flags & ELF_LINK_HASH_NEEDS_COPY) != 0) |
4148 | { | |
4149 | asection *s; | |
4150 | Elf_Internal_Rela rela; | |
947216bf | 4151 | bfd_byte *loc; |
252b5132 RH |
4152 | |
4153 | /* This symbols needs a copy reloc. Set it up. */ | |
4154 | ||
4155 | #ifdef DEBUG | |
4156 | fprintf (stderr, ", copy"); | |
4157 | #endif | |
4158 | ||
4159 | BFD_ASSERT (h->dynindx != -1); | |
4160 | ||
7619e7c7 AM |
4161 | if (h->size <= elf_gp_size (htab->elf.dynobj)) |
4162 | s = htab->relsbss; | |
252b5132 | 4163 | else |
7619e7c7 | 4164 | s = htab->relbss; |
252b5132 RH |
4165 | BFD_ASSERT (s != NULL); |
4166 | ||
4167 | rela.r_offset = (h->root.u.def.value | |
4168 | + h->root.u.def.section->output_section->vma | |
4169 | + h->root.u.def.section->output_offset); | |
4170 | rela.r_info = ELF32_R_INFO (h->dynindx, R_PPC_COPY); | |
4171 | rela.r_addend = 0; | |
947216bf AM |
4172 | loc = s->contents + s->reloc_count++ * sizeof (Elf32_External_Rela); |
4173 | bfd_elf32_swap_reloca_out (output_bfd, &rela, loc); | |
252b5132 RH |
4174 | } |
4175 | ||
4176 | #ifdef DEBUG | |
4177 | fprintf (stderr, "\n"); | |
4178 | #endif | |
4179 | ||
4180 | /* Mark some specially defined symbols as absolute. */ | |
4181 | if (strcmp (h->root.root.string, "_DYNAMIC") == 0 | |
4182 | || strcmp (h->root.root.string, "_GLOBAL_OFFSET_TABLE_") == 0 | |
4183 | || strcmp (h->root.root.string, "_PROCEDURE_LINKAGE_TABLE_") == 0) | |
4184 | sym->st_shndx = SHN_ABS; | |
4185 | ||
b34976b6 | 4186 | return TRUE; |
252b5132 | 4187 | } |
252b5132 RH |
4188 | \f |
4189 | /* Finish up the dynamic sections. */ | |
4190 | ||
b34976b6 | 4191 | static bfd_boolean |
252b5132 RH |
4192 | ppc_elf_finish_dynamic_sections (output_bfd, info) |
4193 | bfd *output_bfd; | |
4194 | struct bfd_link_info *info; | |
4195 | { | |
4196 | asection *sdyn; | |
7619e7c7 | 4197 | struct ppc_elf_link_hash_table *htab; |
252b5132 RH |
4198 | |
4199 | #ifdef DEBUG | |
4200 | fprintf (stderr, "ppc_elf_finish_dynamic_sections called\n"); | |
4201 | #endif | |
4202 | ||
7619e7c7 AM |
4203 | htab = ppc_elf_hash_table (info); |
4204 | sdyn = bfd_get_section_by_name (htab->elf.dynobj, ".dynamic"); | |
252b5132 | 4205 | |
7619e7c7 | 4206 | if (htab->elf.dynamic_sections_created) |
252b5132 | 4207 | { |
252b5132 RH |
4208 | Elf32_External_Dyn *dyncon, *dynconend; |
4209 | ||
7619e7c7 | 4210 | BFD_ASSERT (htab->plt != NULL && sdyn != NULL); |
252b5132 RH |
4211 | |
4212 | dyncon = (Elf32_External_Dyn *) sdyn->contents; | |
4213 | dynconend = (Elf32_External_Dyn *) (sdyn->contents + sdyn->_raw_size); | |
4214 | for (; dyncon < dynconend; dyncon++) | |
4215 | { | |
4216 | Elf_Internal_Dyn dyn; | |
7619e7c7 | 4217 | asection *s; |
252b5132 | 4218 | |
7619e7c7 | 4219 | bfd_elf32_swap_dyn_in (htab->elf.dynobj, dyncon, &dyn); |
252b5132 RH |
4220 | |
4221 | switch (dyn.d_tag) | |
4222 | { | |
7619e7c7 AM |
4223 | case DT_PLTGOT: |
4224 | s = htab->plt; | |
4225 | dyn.d_un.d_ptr = s->output_section->vma + s->output_offset; | |
4226 | break; | |
252b5132 | 4227 | |
7619e7c7 AM |
4228 | case DT_PLTRELSZ: |
4229 | dyn.d_un.d_val = htab->relplt->_raw_size; | |
4230 | break; | |
252b5132 | 4231 | |
7619e7c7 AM |
4232 | case DT_JMPREL: |
4233 | s = htab->relplt; | |
4234 | dyn.d_un.d_ptr = s->output_section->vma + s->output_offset; | |
4235 | break; | |
4236 | ||
4237 | default: | |
4238 | continue; | |
252b5132 | 4239 | } |
7619e7c7 AM |
4240 | |
4241 | bfd_elf32_swap_dyn_out (output_bfd, &dyn, dyncon); | |
252b5132 RH |
4242 | } |
4243 | } | |
4244 | ||
4245 | /* Add a blrl instruction at _GLOBAL_OFFSET_TABLE_-4 so that a function can | |
4246 | easily find the address of the _GLOBAL_OFFSET_TABLE_. */ | |
7619e7c7 | 4247 | if (htab->got) |
252b5132 | 4248 | { |
7619e7c7 | 4249 | unsigned char *contents = htab->got->contents; |
dc810e39 | 4250 | bfd_put_32 (output_bfd, (bfd_vma) 0x4e800021 /* blrl */, contents); |
252b5132 RH |
4251 | |
4252 | if (sdyn == NULL) | |
7619e7c7 | 4253 | bfd_put_32 (output_bfd, (bfd_vma) 0, contents + 4); |
252b5132 RH |
4254 | else |
4255 | bfd_put_32 (output_bfd, | |
4256 | sdyn->output_section->vma + sdyn->output_offset, | |
7619e7c7 | 4257 | contents + 4); |
252b5132 | 4258 | |
7619e7c7 | 4259 | elf_section_data (htab->got->output_section)->this_hdr.sh_entsize = 4; |
252b5132 RH |
4260 | } |
4261 | ||
b34976b6 | 4262 | return TRUE; |
252b5132 | 4263 | } |
252b5132 RH |
4264 | \f |
4265 | /* The RELOCATE_SECTION function is called by the ELF backend linker | |
4266 | to handle the relocations for a section. | |
4267 | ||
4268 | The relocs are always passed as Rela structures; if the section | |
4269 | actually uses Rel structures, the r_addend field will always be | |
4270 | zero. | |
4271 | ||
4272 | This function is responsible for adjust the section contents as | |
4273 | necessary, and (if using Rela relocs and generating a | |
4274 | relocateable output file) adjusting the reloc addend as | |
4275 | necessary. | |
4276 | ||
4277 | This function does not have to worry about setting the reloc | |
4278 | address or the reloc symbol index. | |
4279 | ||
4280 | LOCAL_SYMS is a pointer to the swapped in local symbols. | |
4281 | ||
4282 | LOCAL_SECTIONS is an array giving the section in the input file | |
4283 | corresponding to the st_shndx field of each local symbol. | |
4284 | ||
4285 | The global hash table entry for the global symbols can be found | |
4286 | via elf_sym_hashes (input_bfd). | |
4287 | ||
4288 | When generating relocateable output, this function must handle | |
4289 | STB_LOCAL/STT_SECTION symbols specially. The output symbol is | |
4290 | going to be the section symbol corresponding to the output | |
4291 | section, which means that the addend must be adjusted | |
4292 | accordingly. */ | |
4293 | ||
b34976b6 | 4294 | static bfd_boolean |
252b5132 RH |
4295 | ppc_elf_relocate_section (output_bfd, info, input_bfd, input_section, |
4296 | contents, relocs, local_syms, local_sections) | |
4297 | bfd *output_bfd; | |
4298 | struct bfd_link_info *info; | |
4299 | bfd *input_bfd; | |
4300 | asection *input_section; | |
4301 | bfd_byte *contents; | |
4302 | Elf_Internal_Rela *relocs; | |
4303 | Elf_Internal_Sym *local_syms; | |
4304 | asection **local_sections; | |
4305 | { | |
7619e7c7 AM |
4306 | Elf_Internal_Shdr *symtab_hdr; |
4307 | struct elf_link_hash_entry **sym_hashes; | |
4308 | struct ppc_elf_link_hash_table *htab; | |
4309 | Elf_Internal_Rela *rel; | |
4310 | Elf_Internal_Rela *relend; | |
4311 | Elf_Internal_Rela outrel; | |
4312 | bfd_byte *loc; | |
b34976b6 | 4313 | asection *sreloc = NULL; |
252b5132 | 4314 | bfd_vma *local_got_offsets; |
b34976b6 | 4315 | bfd_boolean ret = TRUE; |
b34976b6 | 4316 | |
252b5132 RH |
4317 | #ifdef DEBUG |
4318 | fprintf (stderr, "ppc_elf_relocate_section called for %s section %s, %ld relocations%s\n", | |
8f615d07 | 4319 | bfd_archive_filename (input_bfd), |
252b5132 | 4320 | bfd_section_name(input_bfd, input_section), |
8da6118f | 4321 | (long) input_section->reloc_count, |
252b5132 RH |
4322 | (info->relocateable) ? " (relocatable)" : ""); |
4323 | #endif | |
4324 | ||
b491616a | 4325 | if (info->relocateable) |
b34976b6 | 4326 | return TRUE; |
b491616a | 4327 | |
8da6118f KH |
4328 | if (!ppc_elf_howto_table[R_PPC_ADDR32]) |
4329 | /* Initialize howto table if needed. */ | |
252b5132 RH |
4330 | ppc_elf_howto_init (); |
4331 | ||
7619e7c7 | 4332 | htab = ppc_elf_hash_table (info); |
252b5132 | 4333 | local_got_offsets = elf_local_got_offsets (input_bfd); |
7619e7c7 AM |
4334 | symtab_hdr = &elf_tdata (input_bfd)->symtab_hdr; |
4335 | sym_hashes = elf_sym_hashes (input_bfd); | |
4336 | rel = relocs; | |
4337 | relend = relocs + input_section->reloc_count; | |
252b5132 RH |
4338 | for (; rel < relend; rel++) |
4339 | { | |
7619e7c7 AM |
4340 | enum elf_ppc_reloc_type r_type; |
4341 | bfd_vma addend; | |
4342 | bfd_reloc_status_type r; | |
4343 | Elf_Internal_Sym *sym; | |
4344 | asection *sec; | |
4345 | struct elf_link_hash_entry *h; | |
4346 | const char *sym_name; | |
252b5132 RH |
4347 | reloc_howto_type *howto; |
4348 | unsigned long r_symndx; | |
4349 | bfd_vma relocation; | |
7619e7c7 | 4350 | bfd_vma branch_bit, insn, from; |
7619e7c7 AM |
4351 | bfd_boolean unresolved_reloc; |
4352 | bfd_boolean warned; | |
4353 | unsigned int tls_type, tls_mask, tls_gd; | |
4354 | ||
4355 | r_type = (enum elf_ppc_reloc_type)ELF32_R_TYPE (rel->r_info); | |
4356 | sym = (Elf_Internal_Sym *) 0; | |
4357 | sec = (asection *) 0; | |
4358 | h = (struct elf_link_hash_entry *) 0; | |
4359 | unresolved_reloc = FALSE; | |
4360 | warned = FALSE; | |
252b5132 | 4361 | r_symndx = ELF32_R_SYM (rel->r_info); |
252b5132 RH |
4362 | if (r_symndx < symtab_hdr->sh_info) |
4363 | { | |
4364 | sym = local_syms + r_symndx; | |
4365 | sec = local_sections[r_symndx]; | |
7619e7c7 | 4366 | sym_name = bfd_elf_local_sym_name (input_bfd, sym); |
252b5132 | 4367 | |
f8df10f4 | 4368 | relocation = _bfd_elf_rela_local_sym (output_bfd, sym, sec, rel); |
252b5132 RH |
4369 | } |
4370 | else | |
4371 | { | |
4372 | h = sym_hashes[r_symndx - symtab_hdr->sh_info]; | |
4373 | while (h->root.type == bfd_link_hash_indirect | |
4374 | || h->root.type == bfd_link_hash_warning) | |
4375 | h = (struct elf_link_hash_entry *) h->root.u.i.link; | |
4376 | sym_name = h->root.root.string; | |
e1e0340b | 4377 | |
7619e7c7 | 4378 | relocation = 0; |
252b5132 RH |
4379 | if (h->root.type == bfd_link_hash_defined |
4380 | || h->root.type == bfd_link_hash_defweak) | |
4381 | { | |
4382 | sec = h->root.u.def.section; | |
70bccea4 AM |
4383 | /* Set a flag that will be cleared later if we find a |
4384 | relocation value for this symbol. output_section | |
4385 | is typically NULL for symbols satisfied by a shared | |
4386 | library. */ | |
7619e7c7 AM |
4387 | if (sec->output_section == NULL) |
4388 | unresolved_reloc = TRUE; | |
252b5132 RH |
4389 | else |
4390 | relocation = (h->root.u.def.value | |
4391 | + sec->output_section->vma | |
4392 | + sec->output_offset); | |
4393 | } | |
4394 | else if (h->root.type == bfd_link_hash_undefweak) | |
7619e7c7 | 4395 | ; |
671bae9c | 4396 | else if (info->shared |
671bae9c | 4397 | && !info->no_undefined |
3a27a730 | 4398 | && ELF_ST_VISIBILITY (h->other) == STV_DEFAULT) |
7619e7c7 | 4399 | ; |
252b5132 RH |
4400 | else |
4401 | { | |
7619e7c7 AM |
4402 | if (! ((*info->callbacks->undefined_symbol) |
4403 | (info, h->root.root.string, input_bfd, input_section, | |
4404 | rel->r_offset, (!info->shared | |
4405 | || info->no_undefined | |
4406 | || ELF_ST_VISIBILITY (h->other))))) | |
b34976b6 | 4407 | return FALSE; |
7619e7c7 AM |
4408 | warned = TRUE; |
4409 | } | |
4410 | } | |
4411 | ||
4412 | /* TLS optimizations. Replace instruction sequences and relocs | |
4413 | based on information we collected in tls_optimize. We edit | |
4414 | RELOCS so that --emit-relocs will output something sensible | |
4415 | for the final instruction stream. */ | |
4416 | tls_mask = 0; | |
4417 | tls_gd = 0; | |
4418 | if (IS_PPC_TLS_RELOC (r_type)) | |
4419 | { | |
4420 | if (h != NULL) | |
4421 | tls_mask = ((struct ppc_elf_link_hash_entry *) h)->tls_mask; | |
4422 | else if (local_got_offsets != NULL) | |
4423 | { | |
4424 | char *lgot_masks; | |
4425 | lgot_masks = (char *) (local_got_offsets + symtab_hdr->sh_info); | |
4426 | tls_mask = lgot_masks[r_symndx]; | |
4427 | } | |
4428 | } | |
4429 | ||
4430 | /* Ensure reloc mapping code below stays sane. */ | |
4431 | if ((R_PPC_GOT_TLSLD16 & 3) != (R_PPC_GOT_TLSGD16 & 3) | |
4432 | || (R_PPC_GOT_TLSLD16_LO & 3) != (R_PPC_GOT_TLSGD16_LO & 3) | |
4433 | || (R_PPC_GOT_TLSLD16_HI & 3) != (R_PPC_GOT_TLSGD16_HI & 3) | |
4434 | || (R_PPC_GOT_TLSLD16_HA & 3) != (R_PPC_GOT_TLSGD16_HA & 3) | |
4435 | || (R_PPC_GOT_TLSLD16 & 3) != (R_PPC_GOT_TPREL16 & 3) | |
4436 | || (R_PPC_GOT_TLSLD16_LO & 3) != (R_PPC_GOT_TPREL16_LO & 3) | |
4437 | || (R_PPC_GOT_TLSLD16_HI & 3) != (R_PPC_GOT_TPREL16_HI & 3) | |
4438 | || (R_PPC_GOT_TLSLD16_HA & 3) != (R_PPC_GOT_TPREL16_HA & 3)) | |
4439 | abort (); | |
4440 | switch (r_type) | |
4441 | { | |
4442 | default: | |
4443 | break; | |
4444 | ||
4445 | case R_PPC_GOT_TPREL16: | |
4446 | case R_PPC_GOT_TPREL16_LO: | |
4447 | if (tls_mask != 0 | |
4448 | && (tls_mask & TLS_TPREL) == 0) | |
4449 | { | |
4450 | bfd_vma insn; | |
4451 | insn = bfd_get_32 (output_bfd, contents + rel->r_offset - 2); | |
4452 | insn &= 31 << 21; | |
4453 | insn |= 0x3c020000; /* addis 0,2,0 */ | |
4454 | bfd_put_32 (output_bfd, insn, contents + rel->r_offset - 2); | |
4455 | r_type = R_PPC_TPREL16_HA; | |
4456 | rel->r_info = ELF32_R_INFO (r_symndx, r_type); | |
4457 | } | |
4458 | break; | |
4459 | ||
4460 | case R_PPC_TLS: | |
4461 | if (tls_mask != 0 | |
4462 | && (tls_mask & TLS_TPREL) == 0) | |
4463 | { | |
4464 | bfd_vma insn, rtra; | |
4465 | insn = bfd_get_32 (output_bfd, contents + rel->r_offset); | |
4466 | if ((insn & ((31 << 26) | (31 << 11))) | |
4467 | == ((31 << 26) | (2 << 11))) | |
4468 | rtra = insn & ((1 << 26) - (1 << 16)); | |
4469 | else if ((insn & ((31 << 26) | (31 << 16))) | |
4470 | == ((31 << 26) | (2 << 16))) | |
4471 | rtra = (insn & (31 << 21)) | ((insn & (31 << 11)) << 5); | |
4472 | else | |
4473 | abort (); | |
4474 | if ((insn & ((1 << 11) - (1 << 1))) == 266 << 1) | |
4475 | /* add -> addi. */ | |
4476 | insn = 14 << 26; | |
4477 | else if ((insn & (31 << 1)) == 23 << 1 | |
4478 | && ((insn & (31 << 6)) < 14 << 6 | |
4479 | || ((insn & (31 << 6)) >= 16 << 6 | |
4480 | && (insn & (31 << 6)) < 24 << 6))) | |
4481 | /* load and store indexed -> dform. */ | |
4482 | insn = (32 | ((insn >> 6) & 31)) << 26; | |
4483 | else if ((insn & (31 << 1)) == 21 << 1 | |
4484 | && (insn & (0x1a << 6)) == 0) | |
4485 | /* ldx, ldux, stdx, stdux -> ld, ldu, std, stdu. */ | |
4486 | insn = (((58 | ((insn >> 6) & 4)) << 26) | |
4487 | | ((insn >> 6) & 1)); | |
4488 | else if ((insn & (31 << 1)) == 21 << 1 | |
4489 | && (insn & ((1 << 11) - (1 << 1))) == 341 << 1) | |
4490 | /* lwax -> lwa. */ | |
4491 | insn = (58 << 26) | 2; | |
4492 | else | |
4493 | abort (); | |
4494 | insn |= rtra; | |
4495 | bfd_put_32 (output_bfd, insn, contents + rel->r_offset); | |
4496 | r_type = R_PPC_TPREL16_LO; | |
4497 | rel->r_info = ELF32_R_INFO (r_symndx, r_type); | |
4498 | /* Was PPC_TLS which sits on insn boundary, now | |
4499 | PPC_TPREL16_LO which is at insn+2. */ | |
4500 | rel->r_offset += 2; | |
4501 | } | |
4502 | break; | |
4503 | ||
4504 | case R_PPC_GOT_TLSGD16_HI: | |
4505 | case R_PPC_GOT_TLSGD16_HA: | |
4506 | tls_gd = TLS_TPRELGD; | |
4507 | if (tls_mask != 0 && (tls_mask & TLS_GD) == 0) | |
4508 | goto tls_gdld_hi; | |
4509 | break; | |
4510 | ||
4511 | case R_PPC_GOT_TLSLD16_HI: | |
4512 | case R_PPC_GOT_TLSLD16_HA: | |
4513 | if (tls_mask != 0 && (tls_mask & TLS_LD) == 0) | |
4514 | { | |
4515 | tls_gdld_hi: | |
4516 | if ((tls_mask & tls_gd) != 0) | |
4517 | r_type = (((r_type - (R_PPC_GOT_TLSGD16 & 3)) & 3) | |
4518 | + R_PPC_GOT_TPREL16); | |
4519 | else | |
4520 | { | |
4521 | bfd_put_32 (output_bfd, NOP, contents + rel->r_offset); | |
4522 | rel->r_offset -= 2; | |
4523 | r_type = R_PPC_NONE; | |
4524 | } | |
4525 | rel->r_info = ELF32_R_INFO (r_symndx, r_type); | |
4526 | } | |
4527 | break; | |
4528 | ||
4529 | case R_PPC_GOT_TLSGD16: | |
4530 | case R_PPC_GOT_TLSGD16_LO: | |
4531 | tls_gd = TLS_TPRELGD; | |
4532 | if (tls_mask != 0 && (tls_mask & TLS_GD) == 0) | |
4533 | goto tls_get_addr_check; | |
4534 | break; | |
4535 | ||
4536 | case R_PPC_GOT_TLSLD16: | |
4537 | case R_PPC_GOT_TLSLD16_LO: | |
4538 | if (tls_mask != 0 && (tls_mask & TLS_LD) == 0) | |
4539 | { | |
4540 | tls_get_addr_check: | |
4541 | if (rel + 1 < relend) | |
4542 | { | |
4543 | enum elf_ppc_reloc_type r_type2; | |
4544 | unsigned long r_symndx2; | |
4545 | struct elf_link_hash_entry *h2; | |
87d243f1 | 4546 | bfd_vma insn1, insn2; |
7619e7c7 AM |
4547 | bfd_vma offset; |
4548 | ||
4549 | /* The next instruction should be a call to | |
4550 | __tls_get_addr. Peek at the reloc to be sure. */ | |
4551 | r_type2 | |
4552 | = (enum elf_ppc_reloc_type) ELF32_R_TYPE (rel[1].r_info); | |
4553 | r_symndx2 = ELF32_R_SYM (rel[1].r_info); | |
4554 | if (r_symndx2 < symtab_hdr->sh_info | |
4555 | || (r_type2 != R_PPC_REL14 | |
4556 | && r_type2 != R_PPC_REL14_BRTAKEN | |
4557 | && r_type2 != R_PPC_REL14_BRNTAKEN | |
4558 | && r_type2 != R_PPC_REL24 | |
4559 | && r_type2 != R_PPC_PLTREL24)) | |
4560 | break; | |
4561 | ||
4562 | h2 = sym_hashes[r_symndx2 - symtab_hdr->sh_info]; | |
4563 | while (h2->root.type == bfd_link_hash_indirect | |
4564 | || h2->root.type == bfd_link_hash_warning) | |
4565 | h2 = (struct elf_link_hash_entry *) h2->root.u.i.link; | |
4566 | if (h2 == NULL || h2 != htab->tls_get_addr) | |
4567 | break; | |
4568 | ||
4569 | /* OK, it checks out. Replace the call. */ | |
4570 | offset = rel[1].r_offset; | |
4571 | insn1 = bfd_get_32 (output_bfd, | |
4572 | contents + rel->r_offset - 2); | |
7619e7c7 AM |
4573 | if ((tls_mask & tls_gd) != 0) |
4574 | { | |
4575 | /* IE */ | |
4576 | insn1 &= (1 << 26) - 1; | |
4577 | insn1 |= 32 << 26; /* lwz */ | |
4578 | insn2 = 0x7c631214; /* add 3,3,2 */ | |
4579 | rel[1].r_info = ELF32_R_INFO (r_symndx2, R_PPC_NONE); | |
4580 | r_type = (((r_type - (R_PPC_GOT_TLSGD16 & 3)) & 3) | |
4581 | + R_PPC_GOT_TPREL16); | |
4582 | rel->r_info = ELF32_R_INFO (r_symndx, r_type); | |
4583 | } | |
4584 | else | |
4585 | { | |
4586 | /* LE */ | |
4587 | insn1 = 0x3c620000; /* addis 3,2,0 */ | |
4588 | insn2 = 0x38630000; /* addi 3,3,0 */ | |
4589 | if (tls_gd == 0) | |
4590 | { | |
4591 | /* Was an LD reloc. */ | |
4592 | r_symndx = 0; | |
4593 | rel->r_addend = htab->tls_sec->vma + DTP_OFFSET; | |
4594 | rel[1].r_addend = htab->tls_sec->vma + DTP_OFFSET; | |
4595 | } | |
4596 | r_type = R_PPC_TPREL16_HA; | |
4597 | rel->r_info = ELF32_R_INFO (r_symndx, r_type); | |
4598 | rel[1].r_info = ELF32_R_INFO (r_symndx, | |
4599 | R_PPC_TPREL16_LO); | |
4600 | rel[1].r_offset += 2; | |
4601 | } | |
7619e7c7 AM |
4602 | bfd_put_32 (output_bfd, insn1, contents + rel->r_offset - 2); |
4603 | bfd_put_32 (output_bfd, insn2, contents + offset); | |
7619e7c7 AM |
4604 | if (tls_gd == 0) |
4605 | { | |
4606 | /* We changed the symbol on an LD reloc. Start over | |
70bccea4 | 4607 | in order to get h, sym, sec etc. right. */ |
7619e7c7 AM |
4608 | rel--; |
4609 | continue; | |
4610 | } | |
4611 | } | |
252b5132 | 4612 | } |
7619e7c7 AM |
4613 | break; |
4614 | } | |
4615 | ||
4616 | /* Handle other relocations that tweak non-addend part of insn. */ | |
4617 | branch_bit = 0; | |
4618 | switch (r_type) | |
4619 | { | |
4620 | default: | |
4621 | break; | |
4622 | ||
4623 | /* Branch taken prediction relocations. */ | |
4624 | case R_PPC_ADDR14_BRTAKEN: | |
4625 | case R_PPC_REL14_BRTAKEN: | |
4626 | branch_bit = BRANCH_PREDICT_BIT; | |
4627 | /* Fall thru */ | |
4628 | ||
4629 | /* Branch not taken predicition relocations. */ | |
4630 | case R_PPC_ADDR14_BRNTAKEN: | |
4631 | case R_PPC_REL14_BRNTAKEN: | |
4632 | insn = bfd_get_32 (output_bfd, contents + rel->r_offset); | |
4633 | insn &= ~BRANCH_PREDICT_BIT; | |
4634 | insn |= branch_bit; | |
4635 | ||
4636 | from = (rel->r_offset | |
4637 | + input_section->output_offset | |
4638 | + input_section->output_section->vma); | |
4639 | ||
4640 | /* Invert 'y' bit if not the default. */ | |
4641 | if ((bfd_signed_vma) (relocation + rel->r_addend - from) < 0) | |
4642 | insn ^= BRANCH_PREDICT_BIT; | |
4643 | ||
4644 | bfd_put_32 (output_bfd, insn, contents + rel->r_offset); | |
4645 | break; | |
252b5132 RH |
4646 | } |
4647 | ||
7619e7c7 AM |
4648 | addend = rel->r_addend; |
4649 | tls_type = 0; | |
4650 | howto = NULL; | |
4651 | if ((unsigned) r_type < (unsigned) R_PPC_max) | |
4652 | howto = ppc_elf_howto_table[(int) r_type]; | |
4653 | switch (r_type) | |
252b5132 RH |
4654 | { |
4655 | default: | |
7619e7c7 AM |
4656 | (*_bfd_error_handler) |
4657 | (_("%s: unknown relocation type %d for symbol %s"), | |
4658 | bfd_archive_filename (input_bfd), (int) r_type, sym_name); | |
252b5132 RH |
4659 | |
4660 | bfd_set_error (bfd_error_bad_value); | |
b34976b6 | 4661 | ret = FALSE; |
252b5132 RH |
4662 | continue; |
4663 | ||
7619e7c7 AM |
4664 | case R_PPC_NONE: |
4665 | case R_PPC_TLS: | |
4666 | case R_PPC_EMB_MRKREF: | |
4667 | case R_PPC_GNU_VTINHERIT: | |
4668 | case R_PPC_GNU_VTENTRY: | |
7595d193 L |
4669 | continue; |
4670 | ||
7619e7c7 AM |
4671 | /* GOT16 relocations. Like an ADDR16 using the symbol's |
4672 | address in the GOT as relocation value instead of the | |
4673 | symbol's value itself. Also, create a GOT entry for the | |
4674 | symbol and put the symbol value there. */ | |
4675 | case R_PPC_GOT_TLSGD16: | |
4676 | case R_PPC_GOT_TLSGD16_LO: | |
4677 | case R_PPC_GOT_TLSGD16_HI: | |
4678 | case R_PPC_GOT_TLSGD16_HA: | |
4679 | tls_type = TLS_TLS | TLS_GD; | |
4680 | goto dogot; | |
4681 | ||
4682 | case R_PPC_GOT_TLSLD16: | |
4683 | case R_PPC_GOT_TLSLD16_LO: | |
4684 | case R_PPC_GOT_TLSLD16_HI: | |
4685 | case R_PPC_GOT_TLSLD16_HA: | |
4686 | tls_type = TLS_TLS | TLS_LD; | |
4687 | goto dogot; | |
4688 | ||
4689 | case R_PPC_GOT_TPREL16: | |
4690 | case R_PPC_GOT_TPREL16_LO: | |
4691 | case R_PPC_GOT_TPREL16_HI: | |
4692 | case R_PPC_GOT_TPREL16_HA: | |
4693 | tls_type = TLS_TLS | TLS_TPREL; | |
4694 | goto dogot; | |
4695 | ||
4696 | case R_PPC_GOT_DTPREL16: | |
4697 | case R_PPC_GOT_DTPREL16_LO: | |
4698 | case R_PPC_GOT_DTPREL16_HI: | |
4699 | case R_PPC_GOT_DTPREL16_HA: | |
4700 | tls_type = TLS_TLS | TLS_DTPREL; | |
4701 | goto dogot; | |
4702 | ||
4703 | case R_PPC_GOT16: | |
4704 | case R_PPC_GOT16_LO: | |
4705 | case R_PPC_GOT16_HI: | |
4706 | case R_PPC_GOT16_HA: | |
4707 | dogot: | |
4708 | { | |
4709 | /* Relocation is to the entry for this symbol in the global | |
4710 | offset table. */ | |
4711 | bfd_vma off; | |
4712 | bfd_vma *offp; | |
4713 | unsigned long indx; | |
4714 | ||
4715 | if (htab->got == NULL) | |
4716 | abort (); | |
4717 | ||
4718 | indx = 0; | |
4719 | if (tls_type == (TLS_TLS | TLS_LD) | |
d881513a | 4720 | && (h == NULL |
7619e7c7 AM |
4721 | || !(h->elf_link_hash_flags & ELF_LINK_HASH_DEF_DYNAMIC))) |
4722 | offp = &htab->tlsld_got.offset; | |
4723 | else if (h != NULL) | |
4724 | { | |
4725 | bfd_boolean dyn; | |
4726 | dyn = htab->elf.dynamic_sections_created; | |
ee05f2fe | 4727 | if (! WILL_CALL_FINISH_DYNAMIC_SYMBOL (dyn, info->shared, h) |
7619e7c7 AM |
4728 | || (info->shared |
4729 | && SYMBOL_REFERENCES_LOCAL (info, h))) | |
4730 | /* This is actually a static link, or it is a | |
4731 | -Bsymbolic link and the symbol is defined | |
4732 | locally, or the symbol was forced to be local | |
4733 | because of a version file. */ | |
4734 | ; | |
4735 | else | |
4736 | { | |
4737 | indx = h->dynindx; | |
4738 | unresolved_reloc = FALSE; | |
4739 | } | |
4740 | offp = &h->got.offset; | |
4741 | } | |
4742 | else | |
4743 | { | |
4744 | if (local_got_offsets == NULL) | |
4745 | abort (); | |
4746 | offp = &local_got_offsets[r_symndx]; | |
4747 | } | |
4748 | ||
4749 | /* The offset must always be a multiple of 4. We use the | |
4750 | least significant bit to record whether we have already | |
4751 | processed this entry. */ | |
4752 | off = *offp; | |
4753 | if ((off & 1) != 0) | |
4754 | off &= ~1; | |
4755 | else | |
4756 | { | |
70bccea4 AM |
4757 | unsigned int tls_m = (tls_mask |
4758 | & (TLS_LD | TLS_GD | TLS_DTPREL | |
4759 | | TLS_TPREL | TLS_TPRELGD)); | |
4760 | ||
4761 | if (offp == &htab->tlsld_got.offset) | |
4762 | tls_m = TLS_LD; | |
4763 | else if (h == NULL | |
4764 | || !(h->elf_link_hash_flags | |
4765 | & ELF_LINK_HASH_DEF_DYNAMIC)) | |
4766 | tls_m &= ~TLS_LD; | |
4767 | ||
4768 | /* We might have multiple got entries for this sym. | |
4769 | Initialize them all. */ | |
4770 | do | |
7619e7c7 | 4771 | { |
70bccea4 AM |
4772 | int tls_ty = 0; |
4773 | ||
4774 | if ((tls_m & TLS_LD) != 0) | |
7619e7c7 | 4775 | { |
70bccea4 AM |
4776 | tls_ty = TLS_TLS | TLS_LD; |
4777 | tls_m &= ~TLS_LD; | |
4778 | } | |
4779 | else if ((tls_m & TLS_GD) != 0) | |
4780 | { | |
4781 | tls_ty = TLS_TLS | TLS_GD; | |
4782 | tls_m &= ~TLS_GD; | |
4783 | } | |
4784 | else if ((tls_m & TLS_DTPREL) != 0) | |
4785 | { | |
4786 | tls_ty = TLS_TLS | TLS_DTPREL; | |
4787 | tls_m &= ~TLS_DTPREL; | |
4788 | } | |
4789 | else if ((tls_m & (TLS_TPREL | TLS_TPRELGD)) != 0) | |
4790 | { | |
4791 | tls_ty = TLS_TLS | TLS_TPREL; | |
4792 | tls_m = 0; | |
7619e7c7 | 4793 | } |
7619e7c7 | 4794 | |
70bccea4 AM |
4795 | /* Generate relocs for the dynamic linker. */ |
4796 | if (info->shared || indx != 0) | |
7619e7c7 | 4797 | { |
70bccea4 AM |
4798 | outrel.r_offset = (htab->got->output_section->vma |
4799 | + htab->got->output_offset | |
4800 | + off); | |
e515b051 | 4801 | outrel.r_addend = 0; |
70bccea4 AM |
4802 | if (tls_ty & (TLS_LD | TLS_GD)) |
4803 | { | |
4804 | outrel.r_info = ELF32_R_INFO (indx, R_PPC_DTPMOD32); | |
70bccea4 AM |
4805 | if (tls_ty == (TLS_TLS | TLS_GD)) |
4806 | { | |
4807 | loc = htab->relgot->contents; | |
4808 | loc += (htab->relgot->reloc_count++ | |
4809 | * sizeof (Elf32_External_Rela)); | |
4810 | bfd_elf32_swap_reloca_out (output_bfd, | |
4811 | &outrel, loc); | |
e515b051 | 4812 | outrel.r_offset += 4; |
70bccea4 AM |
4813 | outrel.r_info |
4814 | = ELF32_R_INFO (indx, R_PPC_DTPREL32); | |
70bccea4 AM |
4815 | } |
4816 | } | |
4817 | else if (tls_ty == (TLS_TLS | TLS_DTPREL)) | |
4818 | outrel.r_info = ELF32_R_INFO (indx, R_PPC_DTPREL32); | |
4819 | else if (tls_ty == (TLS_TLS | TLS_TPREL)) | |
4820 | outrel.r_info = ELF32_R_INFO (indx, R_PPC_TPREL32); | |
4821 | else if (indx == 0) | |
4822 | outrel.r_info = ELF32_R_INFO (indx, R_PPC_RELATIVE); | |
4823 | else | |
4824 | outrel.r_info = ELF32_R_INFO (indx, R_PPC_GLOB_DAT); | |
70bccea4 | 4825 | if (indx == 0) |
e515b051 AM |
4826 | { |
4827 | outrel.r_addend += relocation; | |
4828 | if (tls_ty & (TLS_GD | TLS_DTPREL | TLS_TPREL)) | |
4829 | outrel.r_addend -= htab->tls_sec->vma; | |
4830 | } | |
70bccea4 AM |
4831 | loc = htab->relgot->contents; |
4832 | loc += (htab->relgot->reloc_count++ | |
4833 | * sizeof (Elf32_External_Rela)); | |
4834 | bfd_elf32_swap_reloca_out (output_bfd, &outrel, loc); | |
7619e7c7 AM |
4835 | } |
4836 | ||
70bccea4 AM |
4837 | /* Init the .got section contents if we're not |
4838 | emitting a reloc. */ | |
4839 | else | |
7619e7c7 | 4840 | { |
70bccea4 AM |
4841 | bfd_vma value = relocation; |
4842 | ||
7b609f53 AM |
4843 | if (tls_ty == (TLS_TLS | TLS_LD)) |
4844 | value = 1; | |
4845 | else if (tls_ty != 0) | |
70bccea4 AM |
4846 | { |
4847 | value -= htab->tls_sec->vma + DTP_OFFSET; | |
7b609f53 | 4848 | if (tls_ty == (TLS_TLS | TLS_TPREL)) |
70bccea4 | 4849 | value += DTP_OFFSET - TP_OFFSET; |
70bccea4 | 4850 | |
7b609f53 AM |
4851 | if (tls_ty == (TLS_TLS | TLS_GD)) |
4852 | { | |
4853 | bfd_put_32 (output_bfd, value, | |
4854 | htab->got->contents + off + 4); | |
4855 | value = 1; | |
4856 | } | |
70bccea4 | 4857 | } |
70bccea4 AM |
4858 | bfd_put_32 (output_bfd, value, |
4859 | htab->got->contents + off); | |
7619e7c7 | 4860 | } |
70bccea4 AM |
4861 | |
4862 | off += 4; | |
4863 | if (tls_ty & (TLS_LD | TLS_GD)) | |
4864 | off += 4; | |
7619e7c7 | 4865 | } |
70bccea4 AM |
4866 | while (tls_m != 0); |
4867 | ||
4868 | off = *offp; | |
4869 | *offp = off | 1; | |
7619e7c7 AM |
4870 | } |
4871 | ||
4872 | if (off >= (bfd_vma) -2) | |
4873 | abort (); | |
4874 | ||
70bccea4 AM |
4875 | if ((tls_type & TLS_TLS) != 0) |
4876 | { | |
4877 | if (tls_type != (TLS_TLS | TLS_LD)) | |
4878 | { | |
4879 | if ((tls_mask & TLS_LD) != 0 | |
4880 | && !(h == NULL | |
4881 | || !(h->elf_link_hash_flags | |
4882 | & ELF_LINK_HASH_DEF_DYNAMIC))) | |
4883 | off += 8; | |
4884 | if (tls_type != (TLS_TLS | TLS_GD)) | |
4885 | { | |
4886 | if ((tls_mask & TLS_GD) != 0) | |
4887 | off += 8; | |
4888 | if (tls_type != (TLS_TLS | TLS_DTPREL)) | |
4889 | { | |
4890 | if ((tls_mask & TLS_DTPREL) != 0) | |
4891 | off += 4; | |
4892 | } | |
4893 | } | |
4894 | } | |
4895 | } | |
4896 | ||
7619e7c7 AM |
4897 | relocation = htab->got->output_offset + off - 4; |
4898 | ||
4899 | /* Addends on got relocations don't make much sense. | |
4900 | x+off@got is actually x@got+off, and since the got is | |
4901 | generated by a hash table traversal, the value in the | |
4902 | got at entry m+n bears little relation to the entry m. */ | |
4903 | if (addend != 0) | |
4904 | (*_bfd_error_handler) | |
7b609f53 | 4905 | (_("%s(%s+0x%lx): non-zero addend on %s reloc against `%s'"), |
7619e7c7 AM |
4906 | bfd_archive_filename (input_bfd), |
4907 | bfd_get_section_name (input_bfd, input_section), | |
4908 | (long) rel->r_offset, | |
7b609f53 | 4909 | howto->name, |
7619e7c7 AM |
4910 | sym_name); |
4911 | } | |
70bccea4 | 4912 | break; |
7619e7c7 | 4913 | |
252b5132 | 4914 | /* Relocations that need no special processing. */ |
7619e7c7 | 4915 | case R_PPC_LOCAL24PC: |
252b5132 RH |
4916 | /* It makes no sense to point a local relocation |
4917 | at a symbol not in this object. */ | |
7b609f53 | 4918 | if (unresolved_reloc) |
252b5132 | 4919 | { |
464e1740 ILT |
4920 | if (! (*info->callbacks->undefined_symbol) (info, |
4921 | h->root.root.string, | |
4922 | input_bfd, | |
4923 | input_section, | |
5cc7c785 | 4924 | rel->r_offset, |
b34976b6 AM |
4925 | TRUE)) |
4926 | return FALSE; | |
252b5132 RH |
4927 | continue; |
4928 | } | |
4929 | break; | |
4930 | ||
7619e7c7 AM |
4931 | case R_PPC_DTPREL16: |
4932 | case R_PPC_DTPREL16_LO: | |
4933 | case R_PPC_DTPREL16_HI: | |
4934 | case R_PPC_DTPREL16_HA: | |
4935 | addend -= htab->tls_sec->vma + DTP_OFFSET; | |
4936 | break; | |
4937 | ||
70bccea4 AM |
4938 | /* Relocations that may need to be propagated if this is a shared |
4939 | object. */ | |
7619e7c7 AM |
4940 | case R_PPC_TPREL16: |
4941 | case R_PPC_TPREL16_LO: | |
4942 | case R_PPC_TPREL16_HI: | |
4943 | case R_PPC_TPREL16_HA: | |
4944 | addend -= htab->tls_sec->vma + TP_OFFSET; | |
4945 | /* The TPREL16 relocs shouldn't really be used in shared | |
4946 | libs as they will result in DT_TEXTREL being set, but | |
4947 | support them anyway. */ | |
4948 | goto dodyn; | |
4949 | ||
4950 | case R_PPC_TPREL32: | |
4951 | addend -= htab->tls_sec->vma + TP_OFFSET; | |
4952 | goto dodyn; | |
4953 | ||
4954 | case R_PPC_DTPREL32: | |
4955 | addend -= htab->tls_sec->vma + DTP_OFFSET; | |
4956 | goto dodyn; | |
4957 | ||
e515b051 AM |
4958 | case R_PPC_DTPMOD32: |
4959 | relocation = 1; | |
4960 | addend = 0; | |
4961 | goto dodyn; | |
4962 | ||
7619e7c7 AM |
4963 | case R_PPC_REL24: |
4964 | case R_PPC_REL32: | |
4965 | case R_PPC_REL14: | |
4966 | case R_PPC_REL14_BRTAKEN: | |
4967 | case R_PPC_REL14_BRNTAKEN: | |
252b5132 RH |
4968 | /* If these relocations are not to a named symbol, they can be |
4969 | handled right here, no need to bother the dynamic linker. */ | |
4970 | if (h == NULL | |
e1e0340b GK |
4971 | || strcmp (h->root.root.string, "_GLOBAL_OFFSET_TABLE_") == 0 |
4972 | || SYMBOL_REFERENCES_LOCAL (info, h)) | |
252b5132 | 4973 | break; |
70bccea4 | 4974 | /* fall through */ |
252b5132 | 4975 | |
70bccea4 AM |
4976 | /* Relocations that always need to be propagated if this is a shared |
4977 | object. */ | |
7619e7c7 AM |
4978 | case R_PPC_ADDR32: |
4979 | case R_PPC_ADDR24: | |
4980 | case R_PPC_ADDR16: | |
4981 | case R_PPC_ADDR16_LO: | |
4982 | case R_PPC_ADDR16_HI: | |
4983 | case R_PPC_ADDR16_HA: | |
4984 | case R_PPC_ADDR14: | |
4985 | case R_PPC_ADDR14_BRTAKEN: | |
4986 | case R_PPC_ADDR14_BRNTAKEN: | |
4987 | case R_PPC_UADDR32: | |
4988 | case R_PPC_UADDR16: | |
ee05f2fe AM |
4989 | /* r_symndx will be zero only for relocs against symbols |
4990 | from removed linkonce sections, or sections discarded by | |
4991 | a linker script. */ | |
7619e7c7 | 4992 | dodyn: |
ee05f2fe AM |
4993 | if (r_symndx == 0) |
4994 | break; | |
4995 | /* Fall thru. */ | |
4996 | ||
4997 | if ((info->shared | |
4998 | && (MUST_BE_DYN_RELOC (r_type) | |
4999 | || (h != NULL | |
5000 | && h->dynindx != -1 | |
5001 | && (!info->symbolic | |
5002 | || (h->elf_link_hash_flags | |
5003 | & ELF_LINK_HASH_DEF_REGULAR) == 0)))) | |
5004 | || (ELIMINATE_COPY_RELOCS | |
5005 | && !info->shared | |
5006 | && (input_section->flags & SEC_ALLOC) != 0 | |
5007 | && h != NULL | |
5008 | && h->dynindx != -1 | |
5009 | && (h->elf_link_hash_flags & ELF_LINK_NON_GOT_REF) == 0 | |
5010 | && (h->elf_link_hash_flags & ELF_LINK_HASH_DEF_DYNAMIC) != 0 | |
5011 | && (h->elf_link_hash_flags & ELF_LINK_HASH_DEF_REGULAR) == 0)) | |
252b5132 | 5012 | { |
0bb2d96a | 5013 | int skip; |
252b5132 RH |
5014 | |
5015 | #ifdef DEBUG | |
5016 | fprintf (stderr, "ppc_elf_relocate_section need to create relocation for %s\n", | |
70bccea4 AM |
5017 | (h && h->root.root.string |
5018 | ? h->root.root.string : "<unknown>")); | |
252b5132 RH |
5019 | #endif |
5020 | ||
5021 | /* When generating a shared object, these relocations | |
70bccea4 AM |
5022 | are copied into the output file to be resolved at run |
5023 | time. */ | |
252b5132 RH |
5024 | if (sreloc == NULL) |
5025 | { | |
5026 | const char *name; | |
5027 | ||
5028 | name = (bfd_elf_string_from_elf_section | |
5029 | (input_bfd, | |
5030 | elf_elfheader (input_bfd)->e_shstrndx, | |
5031 | elf_section_data (input_section)->rel_hdr.sh_name)); | |
5032 | if (name == NULL) | |
b34976b6 | 5033 | return FALSE; |
252b5132 RH |
5034 | |
5035 | BFD_ASSERT (strncmp (name, ".rela", 5) == 0 | |
5036 | && strcmp (bfd_get_section_name (input_bfd, | |
5037 | input_section), | |
5038 | name + 5) == 0); | |
5039 | ||
7619e7c7 | 5040 | sreloc = bfd_get_section_by_name (htab->elf.dynobj, name); |
252b5132 RH |
5041 | BFD_ASSERT (sreloc != NULL); |
5042 | } | |
5043 | ||
0bb2d96a | 5044 | skip = 0; |
252b5132 | 5045 | |
c629eae0 JJ |
5046 | outrel.r_offset = |
5047 | _bfd_elf_section_offset (output_bfd, info, input_section, | |
5048 | rel->r_offset); | |
0bb2d96a JJ |
5049 | if (outrel.r_offset == (bfd_vma) -1 |
5050 | || outrel.r_offset == (bfd_vma) -2) | |
5051 | skip = (int) outrel.r_offset; | |
252b5132 RH |
5052 | outrel.r_offset += (input_section->output_section->vma |
5053 | + input_section->output_offset); | |
5054 | ||
5055 | if (skip) | |
5056 | memset (&outrel, 0, sizeof outrel); | |
ee05f2fe AM |
5057 | else if (h != NULL |
5058 | && !SYMBOL_REFERENCES_LOCAL (info, h)) | |
252b5132 | 5059 | { |
7619e7c7 | 5060 | unresolved_reloc = FALSE; |
252b5132 RH |
5061 | outrel.r_info = ELF32_R_INFO (h->dynindx, r_type); |
5062 | outrel.r_addend = rel->r_addend; | |
5063 | } | |
5064 | else | |
5065 | { | |
47388f4c AM |
5066 | outrel.r_addend = relocation + rel->r_addend; |
5067 | ||
252b5132 | 5068 | if (r_type == R_PPC_ADDR32) |
47388f4c | 5069 | outrel.r_info = ELF32_R_INFO (0, R_PPC_RELATIVE); |
252b5132 RH |
5070 | else |
5071 | { | |
5072 | long indx; | |
5073 | ||
47388f4c | 5074 | if (bfd_is_abs_section (sec)) |
252b5132 RH |
5075 | indx = 0; |
5076 | else if (sec == NULL || sec->owner == NULL) | |
5077 | { | |
5078 | bfd_set_error (bfd_error_bad_value); | |
b34976b6 | 5079 | return FALSE; |
252b5132 RH |
5080 | } |
5081 | else | |
5082 | { | |
5083 | asection *osec; | |
5084 | ||
47388f4c AM |
5085 | /* We are turning this relocation into one |
5086 | against a section symbol. It would be | |
5087 | proper to subtract the symbol's value, | |
5088 | osec->vma, from the emitted reloc addend, | |
5089 | but ld.so expects buggy relocs. */ | |
252b5132 RH |
5090 | osec = sec->output_section; |
5091 | indx = elf_section_data (osec)->dynindx; | |
8da6118f | 5092 | BFD_ASSERT (indx > 0); |
252b5132 RH |
5093 | #ifdef DEBUG |
5094 | if (indx <= 0) | |
5095 | { | |
c3668558 | 5096 | printf ("indx=%d section=%s flags=%08x name=%s\n", |
70bccea4 AM |
5097 | indx, osec->name, osec->flags, |
5098 | h->root.root.string); | |
252b5132 RH |
5099 | } |
5100 | #endif | |
5101 | } | |
5102 | ||
5103 | outrel.r_info = ELF32_R_INFO (indx, r_type); | |
252b5132 RH |
5104 | } |
5105 | } | |
5106 | ||
947216bf AM |
5107 | loc = sreloc->contents; |
5108 | loc += sreloc->reloc_count++ * sizeof (Elf32_External_Rela); | |
5109 | bfd_elf32_swap_reloca_out (output_bfd, &outrel, loc); | |
252b5132 | 5110 | |
2243deae | 5111 | if (skip == -1) |
252b5132 | 5112 | continue; |
2243deae L |
5113 | |
5114 | /* This reloc will be computed at runtime. We clear the memory | |
5115 | so that it contains predictable value. */ | |
5116 | if (! skip | |
5117 | && ((input_section->flags & SEC_ALLOC) != 0 | |
5118 | || ELF32_R_TYPE (outrel.r_info) != R_PPC_RELATIVE)) | |
5119 | { | |
5120 | relocation = howto->pc_relative ? outrel.r_offset : 0; | |
5121 | addend = 0; | |
5122 | break; | |
5123 | } | |
252b5132 | 5124 | } |
252b5132 RH |
5125 | break; |
5126 | ||
70bccea4 | 5127 | /* Indirect .sdata relocation. */ |
7619e7c7 AM |
5128 | case R_PPC_EMB_SDAI16: |
5129 | BFD_ASSERT (htab->sdata != NULL); | |
5130 | relocation | |
5131 | = bfd_elf32_finish_pointer_linker_section (output_bfd, input_bfd, | |
5132 | info, htab->sdata, h, | |
5133 | relocation, rel, | |
5134 | R_PPC_RELATIVE); | |
252b5132 RH |
5135 | break; |
5136 | ||
70bccea4 | 5137 | /* Indirect .sdata2 relocation. */ |
7619e7c7 AM |
5138 | case R_PPC_EMB_SDA2I16: |
5139 | BFD_ASSERT (htab->sdata2 != NULL); | |
5140 | relocation | |
5141 | = bfd_elf32_finish_pointer_linker_section (output_bfd, input_bfd, | |
5142 | info, htab->sdata2, h, | |
5143 | relocation, rel, | |
5144 | R_PPC_RELATIVE); | |
252b5132 RH |
5145 | break; |
5146 | ||
70bccea4 AM |
5147 | /* Handle the TOC16 reloc. We want to use the offset within the .got |
5148 | section, not the actual VMA. This is appropriate when generating | |
5149 | an embedded ELF object, for which the .got section acts like the | |
5150 | AIX .toc section. */ | |
7619e7c7 | 5151 | case R_PPC_TOC16: /* phony GOT16 relocations */ |
8da6118f | 5152 | BFD_ASSERT (sec != (asection *) 0); |
252b5132 RH |
5153 | BFD_ASSERT (bfd_is_und_section (sec) |
5154 | || strcmp (bfd_get_section_name (abfd, sec), ".got") == 0 | |
5155 | || strcmp (bfd_get_section_name (abfd, sec), ".cgot") == 0) | |
5156 | ||
70bccea4 | 5157 | addend -= sec->output_section->vma + sec->output_offset + 0x8000; |
252b5132 RH |
5158 | break; |
5159 | ||
7619e7c7 | 5160 | case R_PPC_PLTREL24: |
252b5132 | 5161 | /* Relocation is to the entry for this symbol in the |
70bccea4 | 5162 | procedure linkage table. */ |
252b5132 RH |
5163 | BFD_ASSERT (h != NULL); |
5164 | ||
5165 | if (h->plt.offset == (bfd_vma) -1 | |
7619e7c7 | 5166 | || htab->plt == NULL) |
252b5132 RH |
5167 | { |
5168 | /* We didn't make a PLT entry for this symbol. This | |
70bccea4 AM |
5169 | happens when statically linking PIC code, or when |
5170 | using -Bsymbolic. */ | |
252b5132 RH |
5171 | break; |
5172 | } | |
5173 | ||
7619e7c7 AM |
5174 | unresolved_reloc = FALSE; |
5175 | relocation = (htab->plt->output_section->vma | |
5176 | + htab->plt->output_offset | |
252b5132 | 5177 | + h->plt.offset); |
8da6118f | 5178 | break; |
252b5132 | 5179 | |
70bccea4 | 5180 | /* Relocate against _SDA_BASE_. */ |
7619e7c7 | 5181 | case R_PPC_SDAREL16: |
252b5132 RH |
5182 | { |
5183 | const char *name; | |
7619e7c7 | 5184 | const struct elf_link_hash_entry *sh; |
252b5132 | 5185 | |
8da6118f | 5186 | BFD_ASSERT (sec != (asection *) 0); |
252b5132 | 5187 | name = bfd_get_section_name (abfd, sec->output_section); |
5f819128 AM |
5188 | if (! ((strncmp (name, ".sdata", 6) == 0 |
5189 | && (name[6] == 0 || name[6] == '.')) | |
5190 | || (strncmp (name, ".sbss", 5) == 0 | |
5191 | && (name[5] == 0 || name[5] == '.')))) | |
252b5132 | 5192 | { |
7b609f53 | 5193 | (*_bfd_error_handler) (_("%s: the target (%s) of a %s relocation is in the wrong output section (%s)"), |
8f615d07 | 5194 | bfd_archive_filename (input_bfd), |
252b5132 | 5195 | sym_name, |
7619e7c7 | 5196 | howto->name, |
252b5132 RH |
5197 | name); |
5198 | } | |
7619e7c7 AM |
5199 | sh = htab->sdata->sym_hash; |
5200 | addend -= (sh->root.u.def.value | |
5201 | + sh->root.u.def.section->output_section->vma | |
5202 | + sh->root.u.def.section->output_offset); | |
252b5132 RH |
5203 | } |
5204 | break; | |
5205 | ||
70bccea4 | 5206 | /* Relocate against _SDA2_BASE_. */ |
7619e7c7 | 5207 | case R_PPC_EMB_SDA2REL: |
252b5132 RH |
5208 | { |
5209 | const char *name; | |
7619e7c7 | 5210 | const struct elf_link_hash_entry *sh; |
252b5132 | 5211 | |
8da6118f | 5212 | BFD_ASSERT (sec != (asection *) 0); |
252b5132 | 5213 | name = bfd_get_section_name (abfd, sec->output_section); |
5f819128 AM |
5214 | if (! (strncmp (name, ".sdata2", 7) == 0 |
5215 | || strncmp (name, ".sbss2", 6) == 0)) | |
252b5132 | 5216 | { |
7b609f53 | 5217 | (*_bfd_error_handler) (_("%s: the target (%s) of a %s relocation is in the wrong output section (%s)"), |
8f615d07 | 5218 | bfd_archive_filename (input_bfd), |
252b5132 | 5219 | sym_name, |
7619e7c7 | 5220 | howto->name, |
252b5132 | 5221 | name); |
c3668558 | 5222 | |
252b5132 | 5223 | bfd_set_error (bfd_error_bad_value); |
b34976b6 | 5224 | ret = FALSE; |
252b5132 RH |
5225 | continue; |
5226 | } | |
7619e7c7 AM |
5227 | sh = htab->sdata2->sym_hash; |
5228 | addend -= (sh->root.u.def.value | |
5229 | + sh->root.u.def.section->output_section->vma | |
5230 | + sh->root.u.def.section->output_offset); | |
252b5132 RH |
5231 | } |
5232 | break; | |
5233 | ||
70bccea4 | 5234 | /* Relocate against either _SDA_BASE_, _SDA2_BASE_, or 0. */ |
7619e7c7 AM |
5235 | case R_PPC_EMB_SDA21: |
5236 | case R_PPC_EMB_RELSDA: | |
252b5132 RH |
5237 | { |
5238 | const char *name; | |
7619e7c7 | 5239 | const struct elf_link_hash_entry *sh; |
252b5132 RH |
5240 | int reg; |
5241 | ||
8da6118f | 5242 | BFD_ASSERT (sec != (asection *) 0); |
252b5132 | 5243 | name = bfd_get_section_name (abfd, sec->output_section); |
b34976b6 | 5244 | if (((strncmp (name, ".sdata", 6) == 0 |
5f819128 AM |
5245 | && (name[6] == 0 || name[6] == '.')) |
5246 | || (strncmp (name, ".sbss", 5) == 0 | |
5247 | && (name[5] == 0 || name[5] == '.')))) | |
252b5132 RH |
5248 | { |
5249 | reg = 13; | |
7619e7c7 AM |
5250 | sh = htab->sdata->sym_hash; |
5251 | addend -= (sh->root.u.def.value | |
5252 | + sh->root.u.def.section->output_section->vma | |
5253 | + sh->root.u.def.section->output_offset); | |
252b5132 RH |
5254 | } |
5255 | ||
5f819128 AM |
5256 | else if (strncmp (name, ".sdata2", 7) == 0 |
5257 | || strncmp (name, ".sbss2", 6) == 0) | |
252b5132 RH |
5258 | { |
5259 | reg = 2; | |
7619e7c7 AM |
5260 | sh = htab->sdata2->sym_hash; |
5261 | addend -= (sh->root.u.def.value | |
5262 | + sh->root.u.def.section->output_section->vma | |
5263 | + sh->root.u.def.section->output_offset); | |
252b5132 RH |
5264 | } |
5265 | ||
8da6118f KH |
5266 | else if (strcmp (name, ".PPC.EMB.sdata0") == 0 |
5267 | || strcmp (name, ".PPC.EMB.sbss0") == 0) | |
252b5132 RH |
5268 | { |
5269 | reg = 0; | |
5270 | } | |
5271 | ||
5272 | else | |
5273 | { | |
7b609f53 | 5274 | (*_bfd_error_handler) (_("%s: the target (%s) of a %s relocation is in the wrong output section (%s)"), |
8f615d07 | 5275 | bfd_archive_filename (input_bfd), |
252b5132 | 5276 | sym_name, |
7619e7c7 | 5277 | howto->name, |
252b5132 RH |
5278 | name); |
5279 | ||
5280 | bfd_set_error (bfd_error_bad_value); | |
b34976b6 | 5281 | ret = FALSE; |
252b5132 RH |
5282 | continue; |
5283 | } | |
5284 | ||
5285 | if (r_type == R_PPC_EMB_SDA21) | |
5286 | { /* fill in register field */ | |
7619e7c7 | 5287 | insn = bfd_get_32 (output_bfd, contents + rel->r_offset); |
252b5132 | 5288 | insn = (insn & ~RA_REGISTER_MASK) | (reg << RA_REGISTER_SHIFT); |
7619e7c7 | 5289 | bfd_put_32 (output_bfd, insn, contents + rel->r_offset); |
252b5132 RH |
5290 | } |
5291 | } | |
5292 | break; | |
5293 | ||
70bccea4 | 5294 | /* Relocate against the beginning of the section. */ |
7619e7c7 AM |
5295 | case R_PPC_SECTOFF: |
5296 | case R_PPC_SECTOFF_LO: | |
5297 | case R_PPC_SECTOFF_HI: | |
5298 | case R_PPC_SECTOFF_HA: | |
8da6118f | 5299 | BFD_ASSERT (sec != (asection *) 0); |
252b5132 | 5300 | addend -= sec->output_section->vma; |
252b5132 RH |
5301 | break; |
5302 | ||
70bccea4 | 5303 | /* Negative relocations. */ |
7619e7c7 AM |
5304 | case R_PPC_EMB_NADDR32: |
5305 | case R_PPC_EMB_NADDR16: | |
5306 | case R_PPC_EMB_NADDR16_LO: | |
5307 | case R_PPC_EMB_NADDR16_HI: | |
5308 | case R_PPC_EMB_NADDR16_HA: | |
8da6118f | 5309 | addend -= 2 * relocation; |
252b5132 RH |
5310 | break; |
5311 | ||
7619e7c7 AM |
5312 | case R_PPC_COPY: |
5313 | case R_PPC_GLOB_DAT: | |
5314 | case R_PPC_JMP_SLOT: | |
5315 | case R_PPC_RELATIVE: | |
5316 | case R_PPC_PLT32: | |
5317 | case R_PPC_PLTREL32: | |
5318 | case R_PPC_PLT16_LO: | |
5319 | case R_PPC_PLT16_HI: | |
5320 | case R_PPC_PLT16_HA: | |
5321 | case R_PPC_ADDR30: | |
5322 | case R_PPC_EMB_RELSEC16: | |
5323 | case R_PPC_EMB_RELST_LO: | |
5324 | case R_PPC_EMB_RELST_HI: | |
5325 | case R_PPC_EMB_RELST_HA: | |
5326 | case R_PPC_EMB_BIT_FLD: | |
5327 | (*_bfd_error_handler) | |
7b609f53 | 5328 | (_("%s: relocation %s is not yet supported for symbol %s."), |
7619e7c7 AM |
5329 | bfd_archive_filename (input_bfd), |
5330 | howto->name, | |
5331 | sym_name); | |
252b5132 RH |
5332 | |
5333 | bfd_set_error (bfd_error_invalid_operation); | |
b34976b6 | 5334 | ret = FALSE; |
252b5132 | 5335 | continue; |
7619e7c7 | 5336 | } |
252b5132 | 5337 | |
7619e7c7 AM |
5338 | /* Do any further special processing. */ |
5339 | switch (r_type) | |
5340 | { | |
5341 | default: | |
5342 | break; | |
5343 | ||
5344 | case R_PPC_ADDR16_HA: | |
5345 | case R_PPC_GOT16_HA: | |
5346 | case R_PPC_PLT16_HA: | |
5347 | case R_PPC_SECTOFF_HA: | |
5348 | case R_PPC_TPREL16_HA: | |
5349 | case R_PPC_DTPREL16_HA: | |
5350 | case R_PPC_GOT_TLSGD16_HA: | |
5351 | case R_PPC_GOT_TLSLD16_HA: | |
5352 | case R_PPC_GOT_TPREL16_HA: | |
5353 | case R_PPC_GOT_DTPREL16_HA: | |
5354 | case R_PPC_EMB_NADDR16_HA: | |
5355 | case R_PPC_EMB_RELST_HA: | |
5356 | /* It's just possible that this symbol is a weak symbol | |
7b609f53 | 5357 | that's not actually defined anywhere. In that case, |
7619e7c7 AM |
5358 | 'sec' would be NULL, and we should leave the symbol |
5359 | alone (it will be set to zero elsewhere in the link). */ | |
5360 | if (sec != NULL) | |
e515b051 AM |
5361 | /* Add 0x10000 if sign bit in 0:15 is set. |
5362 | Bits 0:15 are not used. */ | |
5363 | addend += 0x8000; | |
7619e7c7 | 5364 | break; |
252b5132 RH |
5365 | } |
5366 | ||
252b5132 RH |
5367 | #ifdef DEBUG |
5368 | fprintf (stderr, "\ttype = %s (%d), name = %s, symbol index = %ld, offset = %ld, addend = %ld\n", | |
5369 | howto->name, | |
8da6118f | 5370 | (int) r_type, |
252b5132 RH |
5371 | sym_name, |
5372 | r_symndx, | |
7619e7c7 | 5373 | (long) rel->r_offset, |
8da6118f | 5374 | (long) addend); |
252b5132 RH |
5375 | #endif |
5376 | ||
7619e7c7 AM |
5377 | if (unresolved_reloc |
5378 | && !((input_section->flags & SEC_DEBUGGING) != 0 | |
5379 | && (h->elf_link_hash_flags & ELF_LINK_HASH_DEF_DYNAMIC) != 0)) | |
5380 | { | |
5381 | (*_bfd_error_handler) | |
7b609f53 | 5382 | (_("%s(%s+0x%lx): unresolvable %s relocation against symbol `%s'"), |
7619e7c7 AM |
5383 | bfd_archive_filename (input_bfd), |
5384 | bfd_get_section_name (input_bfd, input_section), | |
5385 | (long) rel->r_offset, | |
7b609f53 | 5386 | howto->name, |
7619e7c7 AM |
5387 | sym_name); |
5388 | ret = FALSE; | |
5389 | } | |
5390 | ||
252b5132 RH |
5391 | r = _bfd_final_link_relocate (howto, |
5392 | input_bfd, | |
5393 | input_section, | |
5394 | contents, | |
7619e7c7 | 5395 | rel->r_offset, |
252b5132 RH |
5396 | relocation, |
5397 | addend); | |
5398 | ||
7619e7c7 | 5399 | if (r != bfd_reloc_ok) |
252b5132 | 5400 | { |
7619e7c7 AM |
5401 | if (sym_name == NULL) |
5402 | sym_name = "(null)"; | |
5403 | if (r == bfd_reloc_overflow) | |
252b5132 | 5404 | { |
7619e7c7 AM |
5405 | if (warned) |
5406 | continue; | |
5407 | if (h != NULL | |
5408 | && h->root.type == bfd_link_hash_undefweak | |
dc1bc0c9 RH |
5409 | && howto->pc_relative) |
5410 | { | |
5411 | /* Assume this is a call protected by other code that | |
5412 | detect the symbol is undefined. If this is the case, | |
5413 | we can safely ignore the overflow. If not, the | |
5414 | program is hosed anyway, and a little warning isn't | |
5415 | going to help. */ | |
252b5132 | 5416 | |
dc1bc0c9 RH |
5417 | continue; |
5418 | } | |
252b5132 | 5419 | |
7619e7c7 AM |
5420 | if (! (*info->callbacks->reloc_overflow) (info, |
5421 | sym_name, | |
5422 | howto->name, | |
5423 | rel->r_addend, | |
5424 | input_bfd, | |
5425 | input_section, | |
5426 | rel->r_offset)) | |
5427 | return FALSE; | |
dc1bc0c9 RH |
5428 | } |
5429 | else | |
5430 | { | |
7619e7c7 | 5431 | (*_bfd_error_handler) |
7b609f53 | 5432 | (_("%s(%s+0x%lx): %s reloc against `%s': error %d"), |
7619e7c7 AM |
5433 | bfd_archive_filename (input_bfd), |
5434 | bfd_get_section_name (input_bfd, input_section), | |
7b609f53 | 5435 | (long) rel->r_offset, howto->name, sym_name, (int) r); |
7619e7c7 | 5436 | ret = FALSE; |
252b5132 RH |
5437 | } |
5438 | } | |
5439 | } | |
5440 | ||
252b5132 RH |
5441 | #ifdef DEBUG |
5442 | fprintf (stderr, "\n"); | |
5443 | #endif | |
5444 | ||
5445 | return ret; | |
5446 | } | |
29c2fb7c AJ |
5447 | |
5448 | static enum elf_reloc_type_class | |
f51e552e AM |
5449 | ppc_elf_reloc_type_class (rela) |
5450 | const Elf_Internal_Rela *rela; | |
29c2fb7c | 5451 | { |
f51e552e | 5452 | switch ((int) ELF32_R_TYPE (rela->r_info)) |
29c2fb7c AJ |
5453 | { |
5454 | case R_PPC_RELATIVE: | |
5455 | return reloc_class_relative; | |
5456 | case R_PPC_REL24: | |
5457 | case R_PPC_ADDR24: | |
5458 | case R_PPC_JMP_SLOT: | |
5459 | return reloc_class_plt; | |
5460 | case R_PPC_COPY: | |
5461 | return reloc_class_copy; | |
5462 | default: | |
5463 | return reloc_class_normal; | |
5464 | } | |
5465 | } | |
252b5132 | 5466 | \f |
ae9a127f NC |
5467 | /* Support for core dump NOTE sections. */ |
5468 | ||
b34976b6 | 5469 | static bfd_boolean |
c5fccbec DJ |
5470 | ppc_elf_grok_prstatus (abfd, note) |
5471 | bfd *abfd; | |
5472 | Elf_Internal_Note *note; | |
5473 | { | |
5474 | int offset; | |
dc810e39 | 5475 | unsigned int raw_size; |
c5fccbec DJ |
5476 | |
5477 | switch (note->descsz) | |
5478 | { | |
70bccea4 AM |
5479 | default: |
5480 | return FALSE; | |
c5fccbec | 5481 | |
70bccea4 AM |
5482 | case 268: /* Linux/PPC. */ |
5483 | /* pr_cursig */ | |
5484 | elf_tdata (abfd)->core_signal = bfd_get_16 (abfd, note->descdata + 12); | |
c5fccbec | 5485 | |
70bccea4 AM |
5486 | /* pr_pid */ |
5487 | elf_tdata (abfd)->core_pid = bfd_get_32 (abfd, note->descdata + 24); | |
c5fccbec | 5488 | |
70bccea4 AM |
5489 | /* pr_reg */ |
5490 | offset = 72; | |
5491 | raw_size = 192; | |
c5fccbec | 5492 | |
70bccea4 | 5493 | break; |
c5fccbec DJ |
5494 | } |
5495 | ||
5496 | /* Make a ".reg/999" section. */ | |
5497 | return _bfd_elfcore_make_pseudosection (abfd, ".reg", | |
5498 | raw_size, note->descpos + offset); | |
5499 | } | |
5500 | ||
b34976b6 | 5501 | static bfd_boolean |
c5fccbec DJ |
5502 | ppc_elf_grok_psinfo (abfd, note) |
5503 | bfd *abfd; | |
5504 | Elf_Internal_Note *note; | |
5505 | { | |
5506 | switch (note->descsz) | |
5507 | { | |
70bccea4 AM |
5508 | default: |
5509 | return FALSE; | |
c5fccbec | 5510 | |
70bccea4 AM |
5511 | case 128: /* Linux/PPC elf_prpsinfo. */ |
5512 | elf_tdata (abfd)->core_program | |
5513 | = _bfd_elfcore_strndup (abfd, note->descdata + 32, 16); | |
5514 | elf_tdata (abfd)->core_command | |
5515 | = _bfd_elfcore_strndup (abfd, note->descdata + 48, 80); | |
c5fccbec DJ |
5516 | } |
5517 | ||
5518 | /* Note that for some reason, a spurious space is tacked | |
5519 | onto the end of the args in some (at least one anyway) | |
5520 | implementations, so strip it off if it exists. */ | |
5521 | ||
5522 | { | |
5523 | char *command = elf_tdata (abfd)->core_command; | |
5524 | int n = strlen (command); | |
5525 | ||
5526 | if (0 < n && command[n - 1] == ' ') | |
5527 | command[n - 1] = '\0'; | |
5528 | } | |
5529 | ||
b34976b6 | 5530 | return TRUE; |
c5fccbec DJ |
5531 | } |
5532 | \f | |
e1a9cb8e NC |
5533 | /* Very simple linked list structure for recording apuinfo values. */ |
5534 | typedef struct apuinfo_list | |
5535 | { | |
70bccea4 AM |
5536 | struct apuinfo_list *next; |
5537 | unsigned long value; | |
e1a9cb8e NC |
5538 | } |
5539 | apuinfo_list; | |
5540 | ||
5541 | static apuinfo_list * head; | |
5542 | ||
70bccea4 AM |
5543 | static void apuinfo_list_init PARAMS ((void)); |
5544 | static void apuinfo_list_add PARAMS ((unsigned long)); | |
5545 | static unsigned apuinfo_list_length PARAMS ((void)); | |
e1a9cb8e | 5546 | static unsigned long apuinfo_list_element PARAMS ((unsigned long)); |
70bccea4 | 5547 | static void apuinfo_list_finish PARAMS ((void)); |
e1a9cb8e | 5548 | |
70bccea4 | 5549 | extern void ppc_elf_begin_write_processing |
e1a9cb8e | 5550 | PARAMS ((bfd *, struct bfd_link_info *)); |
70bccea4 | 5551 | extern void ppc_elf_final_write_processing |
e1a9cb8e | 5552 | PARAMS ((bfd *, bfd_boolean)); |
70bccea4 | 5553 | extern bfd_boolean ppc_elf_write_section |
e1a9cb8e NC |
5554 | PARAMS ((bfd *, asection *, bfd_byte *)); |
5555 | ||
5556 | ||
e1a9cb8e NC |
5557 | static void |
5558 | apuinfo_list_init PARAMS ((void)) | |
5559 | { | |
5560 | head = NULL; | |
5561 | } | |
5562 | ||
5563 | static void | |
5564 | apuinfo_list_add (value) | |
5565 | unsigned long value; | |
5566 | { | |
70bccea4 | 5567 | apuinfo_list *entry = head; |
e1a9cb8e NC |
5568 | |
5569 | while (entry != NULL) | |
5570 | { | |
5571 | if (entry->value == value) | |
5572 | return; | |
5573 | entry = entry->next; | |
5574 | } | |
5575 | ||
5576 | entry = bfd_malloc (sizeof (* entry)); | |
5577 | if (entry == NULL) | |
5578 | return; | |
5579 | ||
5580 | entry->value = value; | |
5581 | entry->next = head; | |
5582 | head = entry; | |
5583 | } | |
5584 | ||
5585 | static unsigned | |
5586 | apuinfo_list_length PARAMS ((void)) | |
5587 | { | |
70bccea4 | 5588 | apuinfo_list *entry; |
e1a9cb8e NC |
5589 | unsigned long count; |
5590 | ||
5591 | for (entry = head, count = 0; | |
5592 | entry; | |
5593 | entry = entry->next) | |
5594 | ++ count; | |
5595 | ||
5596 | return count; | |
5597 | } | |
5598 | ||
5599 | static inline unsigned long | |
5600 | apuinfo_list_element (number) | |
5601 | unsigned long number; | |
5602 | { | |
5603 | apuinfo_list * entry; | |
5604 | ||
5605 | for (entry = head; | |
5606 | entry && number --; | |
5607 | entry = entry->next) | |
5608 | ; | |
5609 | ||
5610 | return entry ? entry->value : 0; | |
5611 | } | |
5612 | ||
5613 | static void | |
5614 | apuinfo_list_finish PARAMS ((void)) | |
5615 | { | |
70bccea4 | 5616 | apuinfo_list *entry; |
e1a9cb8e NC |
5617 | |
5618 | for (entry = head; entry;) | |
5619 | { | |
70bccea4 | 5620 | apuinfo_list *next = entry->next; |
e1a9cb8e NC |
5621 | free (entry); |
5622 | entry = next; | |
5623 | } | |
5624 | ||
5625 | head = NULL; | |
5626 | } | |
5627 | ||
70bccea4 AM |
5628 | #define APUINFO_SECTION_NAME ".PPC.EMB.apuinfo" |
5629 | #define APUINFO_LABEL "APUinfo" | |
e1a9cb8e NC |
5630 | |
5631 | /* Scan the input BFDs and create a linked list of | |
5632 | the APUinfo values that will need to be emitted. */ | |
5633 | ||
5634 | void | |
5635 | ppc_elf_begin_write_processing (abfd, link_info) | |
5636 | bfd *abfd; | |
5637 | struct bfd_link_info *link_info; | |
5638 | { | |
70bccea4 AM |
5639 | bfd *ibfd; |
5640 | asection *asec; | |
5641 | char *buffer; | |
5642 | unsigned num_input_sections; | |
e1a9cb8e | 5643 | bfd_size_type output_section_size; |
70bccea4 AM |
5644 | unsigned i; |
5645 | unsigned num_entries; | |
e1a9cb8e NC |
5646 | unsigned long offset; |
5647 | unsigned long length; | |
70bccea4 | 5648 | const char *error_message = NULL; |
e1a9cb8e | 5649 | |
6b0817e5 NC |
5650 | if (link_info == NULL) |
5651 | return; | |
5652 | ||
e1a9cb8e NC |
5653 | /* Scan the input bfds, looking for apuinfo sections. */ |
5654 | num_input_sections = 0; | |
5655 | output_section_size = 0; | |
5656 | ||
5657 | for (ibfd = link_info->input_bfds; ibfd; ibfd = ibfd->link_next) | |
5658 | { | |
5659 | asec = bfd_get_section_by_name (ibfd, APUINFO_SECTION_NAME); | |
5660 | if (asec) | |
5661 | { | |
5662 | ++ num_input_sections; | |
5663 | output_section_size += asec->_raw_size; | |
5664 | } | |
5665 | } | |
5666 | ||
5667 | /* We need at least one input sections | |
5668 | in order to make merging worthwhile. */ | |
5669 | if (num_input_sections < 1) | |
5670 | return; | |
5671 | ||
5672 | /* Just make sure that the output section exists as well. */ | |
5673 | asec = bfd_get_section_by_name (abfd, APUINFO_SECTION_NAME); | |
5674 | if (asec == NULL) | |
5675 | return; | |
5676 | ||
5677 | /* Allocate a buffer for the contents of the input sections. */ | |
5678 | buffer = bfd_malloc (output_section_size); | |
5679 | if (buffer == NULL) | |
5680 | return; | |
5681 | ||
5682 | offset = 0; | |
5683 | apuinfo_list_init (); | |
5684 | ||
5685 | /* Read in the input sections contents. */ | |
5686 | for (ibfd = link_info->input_bfds; ibfd; ibfd = ibfd->link_next) | |
5687 | { | |
70bccea4 AM |
5688 | unsigned long datum; |
5689 | char *ptr; | |
86bbe32f | 5690 | |
e1a9cb8e NC |
5691 | asec = bfd_get_section_by_name (ibfd, APUINFO_SECTION_NAME); |
5692 | if (asec == NULL) | |
5693 | continue; | |
5694 | ||
5695 | length = asec->_raw_size; | |
5696 | if (length < 24) | |
5697 | { | |
5698 | error_message = _("corrupt or empty %s section in %s"); | |
5699 | goto fail; | |
5700 | } | |
86bbe32f | 5701 | |
e1a9cb8e NC |
5702 | if (bfd_seek (ibfd, asec->filepos, SEEK_SET) != 0 |
5703 | || (bfd_bread (buffer + offset, length, ibfd) != length)) | |
5704 | { | |
5705 | error_message = _("unable to read in %s section from %s"); | |
5706 | goto fail; | |
5707 | } | |
5708 | ||
5709 | /* Process the contents of the section. */ | |
5710 | ptr = buffer + offset; | |
5711 | error_message = _("corrupt %s section in %s"); | |
5712 | ||
5713 | /* Verify the contents of the header. Note - we have to | |
5714 | extract the values this way in order to allow for a | |
5715 | host whose endian-ness is different from the target. */ | |
5716 | datum = bfd_get_32 (ibfd, ptr); | |
5717 | if (datum != sizeof APUINFO_LABEL) | |
5718 | goto fail; | |
5719 | ||
5720 | datum = bfd_get_32 (ibfd, ptr + 8); | |
5721 | if (datum != 0x2) | |
5722 | goto fail; | |
5723 | ||
5724 | if (strcmp (ptr + 12, APUINFO_LABEL) != 0) | |
5725 | goto fail; | |
5726 | ||
5727 | /* Get the number of apuinfo entries. */ | |
5728 | datum = bfd_get_32 (ibfd, ptr + 4); | |
5729 | if ((datum * 4 + 20) != length) | |
5730 | goto fail; | |
5731 | ||
5732 | /* Make sure that we do not run off the end of the section. */ | |
5733 | if (offset + length > output_section_size) | |
5734 | goto fail; | |
5735 | ||
5736 | /* Scan the apuinfo section, building a list of apuinfo numbers. */ | |
5737 | for (i = 0; i < datum; i++) | |
5738 | apuinfo_list_add (bfd_get_32 (ibfd, ptr + 20 + (i * 4))); | |
5739 | ||
5740 | /* Update the offset. */ | |
5741 | offset += length; | |
5742 | } | |
5743 | ||
5744 | error_message = NULL; | |
5745 | ||
5746 | /* Compute the size of the output section. */ | |
5747 | num_entries = apuinfo_list_length (); | |
5748 | output_section_size = 20 + num_entries * 4; | |
5749 | ||
5750 | asec = bfd_get_section_by_name (abfd, APUINFO_SECTION_NAME); | |
5751 | ||
70bccea4 | 5752 | if (! bfd_set_section_size (abfd, asec, output_section_size)) |
e1a9cb8e NC |
5753 | ibfd = abfd, |
5754 | error_message = _("warning: unable to set size of %s section in %s"); | |
86bbe32f | 5755 | |
e1a9cb8e NC |
5756 | fail: |
5757 | free (buffer); | |
5758 | ||
5759 | if (error_message) | |
70bccea4 AM |
5760 | (*_bfd_error_handler) (error_message, APUINFO_SECTION_NAME, |
5761 | bfd_archive_filename (ibfd)); | |
e1a9cb8e NC |
5762 | } |
5763 | ||
5764 | ||
5765 | /* Prevent the output section from accumulating the input sections' | |
5766 | contents. We have already stored this in our linked list structure. */ | |
5767 | ||
5768 | bfd_boolean | |
5769 | ppc_elf_write_section (abfd, asec, contents) | |
70bccea4 AM |
5770 | bfd *abfd ATTRIBUTE_UNUSED; |
5771 | asection *asec; | |
5772 | bfd_byte *contents ATTRIBUTE_UNUSED; | |
e1a9cb8e | 5773 | { |
70bccea4 AM |
5774 | return (apuinfo_list_length () |
5775 | && strcmp (asec->name, APUINFO_SECTION_NAME) == 0); | |
e1a9cb8e NC |
5776 | } |
5777 | ||
5778 | ||
5779 | /* Finally we can generate the output section. */ | |
5780 | ||
5781 | void | |
5782 | ppc_elf_final_write_processing (abfd, linker) | |
70bccea4 | 5783 | bfd *abfd; |
e1a9cb8e NC |
5784 | bfd_boolean linker ATTRIBUTE_UNUSED; |
5785 | { | |
70bccea4 AM |
5786 | bfd_byte *buffer; |
5787 | asection *asec; | |
5788 | unsigned i; | |
5789 | unsigned num_entries; | |
e1a9cb8e NC |
5790 | bfd_size_type length; |
5791 | ||
5792 | asec = bfd_get_section_by_name (abfd, APUINFO_SECTION_NAME); | |
5793 | if (asec == NULL) | |
5794 | return; | |
5795 | ||
6b0817e5 NC |
5796 | if (apuinfo_list_length () == 0) |
5797 | return; | |
5798 | ||
e1a9cb8e NC |
5799 | length = asec->_raw_size; |
5800 | if (length < 20) | |
5801 | return; | |
5802 | ||
5803 | buffer = bfd_malloc (length); | |
5804 | if (buffer == NULL) | |
5805 | { | |
70bccea4 AM |
5806 | (*_bfd_error_handler) |
5807 | (_("failed to allocate space for new APUinfo section.")); | |
e1a9cb8e NC |
5808 | return; |
5809 | } | |
5810 | ||
5811 | /* Create the apuinfo header. */ | |
5812 | num_entries = apuinfo_list_length (); | |
5813 | bfd_put_32 (abfd, sizeof APUINFO_LABEL, buffer); | |
5814 | bfd_put_32 (abfd, num_entries, buffer + 4); | |
5815 | bfd_put_32 (abfd, 0x2, buffer + 8); | |
5816 | strcpy (buffer + 12, APUINFO_LABEL); | |
86bbe32f | 5817 | |
e1a9cb8e NC |
5818 | length = 20; |
5819 | for (i = 0; i < num_entries; i++) | |
5820 | { | |
5821 | bfd_put_32 (abfd, apuinfo_list_element (i), buffer + length); | |
5822 | length += 4; | |
5823 | } | |
5824 | ||
5825 | if (length != asec->_raw_size) | |
70bccea4 | 5826 | (*_bfd_error_handler) (_("failed to compute new APUinfo section.")); |
86bbe32f | 5827 | |
e1a9cb8e | 5828 | if (! bfd_set_section_contents (abfd, asec, buffer, (file_ptr) 0, length)) |
70bccea4 | 5829 | (*_bfd_error_handler) (_("failed to install new APUinfo section.")); |
86bbe32f | 5830 | |
e1a9cb8e NC |
5831 | free (buffer); |
5832 | ||
5833 | apuinfo_list_finish (); | |
5834 | } | |
5835 | \f | |
252b5132 RH |
5836 | #define TARGET_LITTLE_SYM bfd_elf32_powerpcle_vec |
5837 | #define TARGET_LITTLE_NAME "elf32-powerpcle" | |
5838 | #define TARGET_BIG_SYM bfd_elf32_powerpc_vec | |
5839 | #define TARGET_BIG_NAME "elf32-powerpc" | |
5840 | #define ELF_ARCH bfd_arch_powerpc | |
5841 | #define ELF_MACHINE_CODE EM_PPC | |
5842 | #define ELF_MAXPAGESIZE 0x10000 | |
5843 | #define elf_info_to_howto ppc_elf_info_to_howto | |
5844 | ||
5845 | #ifdef EM_CYGNUS_POWERPC | |
5846 | #define ELF_MACHINE_ALT1 EM_CYGNUS_POWERPC | |
5847 | #endif | |
5848 | ||
5849 | #ifdef EM_PPC_OLD | |
5850 | #define ELF_MACHINE_ALT2 EM_PPC_OLD | |
5851 | #endif | |
5852 | ||
5853 | #define elf_backend_plt_not_loaded 1 | |
5854 | #define elf_backend_got_symbol_offset 4 | |
5855 | #define elf_backend_can_gc_sections 1 | |
51b64d56 | 5856 | #define elf_backend_can_refcount 1 |
252b5132 RH |
5857 | #define elf_backend_got_header_size 12 |
5858 | #define elf_backend_plt_header_size PLT_INITIAL_ENTRY_SIZE | |
b491616a | 5859 | #define elf_backend_rela_normal 1 |
252b5132 | 5860 | |
252b5132 | 5861 | #define bfd_elf32_bfd_merge_private_bfd_data ppc_elf_merge_private_bfd_data |
70bccea4 | 5862 | #define bfd_elf32_bfd_relax_section ppc_elf_relax_section |
252b5132 RH |
5863 | #define bfd_elf32_bfd_reloc_type_lookup ppc_elf_reloc_type_lookup |
5864 | #define bfd_elf32_bfd_set_private_flags ppc_elf_set_private_flags | |
70bccea4 | 5865 | #define bfd_elf32_bfd_link_hash_table_create ppc_elf_link_hash_table_create |
252b5132 | 5866 | |
feee612b | 5867 | #define elf_backend_object_p ppc_elf_object_p |
252b5132 RH |
5868 | #define elf_backend_gc_mark_hook ppc_elf_gc_mark_hook |
5869 | #define elf_backend_gc_sweep_hook ppc_elf_gc_sweep_hook | |
5870 | #define elf_backend_section_from_shdr ppc_elf_section_from_shdr | |
5871 | #define elf_backend_relocate_section ppc_elf_relocate_section | |
5872 | #define elf_backend_create_dynamic_sections ppc_elf_create_dynamic_sections | |
5873 | #define elf_backend_check_relocs ppc_elf_check_relocs | |
7fce784e | 5874 | #define elf_backend_copy_indirect_symbol ppc_elf_copy_indirect_symbol |
252b5132 RH |
5875 | #define elf_backend_adjust_dynamic_symbol ppc_elf_adjust_dynamic_symbol |
5876 | #define elf_backend_add_symbol_hook ppc_elf_add_symbol_hook | |
5877 | #define elf_backend_size_dynamic_sections ppc_elf_size_dynamic_sections | |
5878 | #define elf_backend_finish_dynamic_symbol ppc_elf_finish_dynamic_symbol | |
5879 | #define elf_backend_finish_dynamic_sections ppc_elf_finish_dynamic_sections | |
5880 | #define elf_backend_fake_sections ppc_elf_fake_sections | |
5881 | #define elf_backend_additional_program_headers ppc_elf_additional_program_headers | |
5882 | #define elf_backend_modify_segment_map ppc_elf_modify_segment_map | |
c5fccbec DJ |
5883 | #define elf_backend_grok_prstatus ppc_elf_grok_prstatus |
5884 | #define elf_backend_grok_psinfo ppc_elf_grok_psinfo | |
29c2fb7c | 5885 | #define elf_backend_reloc_type_class ppc_elf_reloc_type_class |
70bccea4 AM |
5886 | #define elf_backend_begin_write_processing ppc_elf_begin_write_processing |
5887 | #define elf_backend_final_write_processing ppc_elf_final_write_processing | |
5888 | #define elf_backend_write_section ppc_elf_write_section | |
252b5132 RH |
5889 | |
5890 | #include "elf32-target.h" |