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