Commit | Line | Data |
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252b5132 | 1 | /* Generic ECOFF (Extended-COFF) routines. |
250d07de | 2 | Copyright (C) 1990-2021 Free Software Foundation, Inc. |
252b5132 RH |
3 | Original version by Per Bothner. |
4 | Full support added by Ian Lance Taylor, ian@cygnus.com. | |
5 | ||
b0ac09d2 | 6 | This file is part of BFD, the Binary File Descriptor library. |
252b5132 | 7 | |
b0ac09d2 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 | |
cd123cb7 | 10 | the Free Software Foundation; either version 3 of the License, or |
b0ac09d2 | 11 | (at your option) any later version. |
252b5132 | 12 | |
b0ac09d2 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 | |
b0ac09d2 NC |
18 | You should have received a copy of the GNU General Public License |
19 | along with this program; if not, write to the Free Software | |
cd123cb7 NC |
20 | Foundation, Inc., 51 Franklin Street - Fifth Floor, Boston, |
21 | MA 02110-1301, USA. */ | |
252b5132 | 22 | |
252b5132 | 23 | #include "sysdep.h" |
3db64b00 | 24 | #include "bfd.h" |
252b5132 RH |
25 | #include "bfdlink.h" |
26 | #include "libbfd.h" | |
0ba9378a | 27 | #include "ecoff-bfd.h" |
252b5132 | 28 | #include "aout/ar.h" |
252b5132 RH |
29 | #include "aout/stab_gnu.h" |
30 | ||
31 | /* FIXME: We need the definitions of N_SET[ADTB], but aout64.h defines | |
32 | some other stuff which we don't want and which conflicts with stuff | |
33 | we do want. */ | |
34 | #include "libaout.h" | |
35 | #include "aout/aout64.h" | |
36 | #undef N_ABS | |
37 | #undef exec_hdr | |
38 | #undef obj_sym_filepos | |
39 | ||
40 | #include "coff/internal.h" | |
41 | #include "coff/sym.h" | |
42 | #include "coff/symconst.h" | |
43 | #include "coff/ecoff.h" | |
44 | #include "libcoff.h" | |
45 | #include "libecoff.h" | |
3b5d3310 NC |
46 | #include "libiberty.h" |
47 | ||
48 | #define streq(a, b) (strcmp ((a), (b)) == 0) | |
3b5d3310 | 49 | |
252b5132 RH |
50 | \f |
51 | /* This stuff is somewhat copied from coffcode.h. */ | |
5f771d47 | 52 | static asection bfd_debug_section = |
7f3a18cf | 53 | BFD_FAKE_SECTION (bfd_debug_section, NULL, "*DEBUG*", 0, 0); |
252b5132 RH |
54 | |
55 | /* Create an ECOFF object. */ | |
56 | ||
0a1b45a2 | 57 | bool |
3b5d3310 | 58 | _bfd_ecoff_mkobject (bfd *abfd) |
252b5132 | 59 | { |
986f0783 | 60 | size_t amt = sizeof (ecoff_data_type); |
b0ac09d2 | 61 | |
21d799b5 | 62 | abfd->tdata.ecoff_obj_data = (struct ecoff_tdata *) bfd_zalloc (abfd, amt); |
252b5132 | 63 | if (abfd->tdata.ecoff_obj_data == NULL) |
0a1b45a2 | 64 | return false; |
252b5132 | 65 | |
0a1b45a2 | 66 | return true; |
252b5132 RH |
67 | } |
68 | ||
69 | /* This is a hook called by coff_real_object_p to create any backend | |
70 | specific information. */ | |
71 | ||
3b5d3310 NC |
72 | void * |
73 | _bfd_ecoff_mkobject_hook (bfd *abfd, void * filehdr, void * aouthdr) | |
252b5132 RH |
74 | { |
75 | struct internal_filehdr *internal_f = (struct internal_filehdr *) filehdr; | |
76 | struct internal_aouthdr *internal_a = (struct internal_aouthdr *) aouthdr; | |
77 | ecoff_data_type *ecoff; | |
78 | ||
82e51918 | 79 | if (! _bfd_ecoff_mkobject (abfd)) |
252b5132 RH |
80 | return NULL; |
81 | ||
82 | ecoff = ecoff_data (abfd); | |
83 | ecoff->gp_size = 8; | |
84 | ecoff->sym_filepos = internal_f->f_symptr; | |
85 | ||
3b5d3310 | 86 | if (internal_a != NULL) |
252b5132 RH |
87 | { |
88 | int i; | |
89 | ||
90 | ecoff->text_start = internal_a->text_start; | |
91 | ecoff->text_end = internal_a->text_start + internal_a->tsize; | |
92 | ecoff->gp = internal_a->gp_value; | |
93 | ecoff->gprmask = internal_a->gprmask; | |
94 | for (i = 0; i < 4; i++) | |
95 | ecoff->cprmask[i] = internal_a->cprmask[i]; | |
96 | ecoff->fprmask = internal_a->fprmask; | |
97 | if (internal_a->magic == ECOFF_AOUT_ZMAGIC) | |
98 | abfd->flags |= D_PAGED; | |
99 | else | |
100 | abfd->flags &=~ D_PAGED; | |
101 | } | |
102 | ||
103 | /* It turns out that no special action is required by the MIPS or | |
104 | Alpha ECOFF backends. They have different information in the | |
105 | a.out header, but we just copy it all (e.g., gprmask, cprmask and | |
106 | fprmask) and let the swapping routines ensure that only relevant | |
107 | information is written out. */ | |
108 | ||
3b5d3310 | 109 | return (void *) ecoff; |
252b5132 RH |
110 | } |
111 | ||
112 | /* Initialize a new section. */ | |
113 | ||
0a1b45a2 | 114 | bool |
f592407e | 115 | _bfd_ecoff_new_section_hook (bfd *abfd, asection *section) |
252b5132 | 116 | { |
3b5d3310 NC |
117 | unsigned int i; |
118 | static struct | |
119 | { | |
120 | const char * name; | |
121 | flagword flags; | |
122 | } | |
123 | section_flags [] = | |
124 | { | |
125 | { _TEXT, SEC_ALLOC | SEC_CODE | SEC_LOAD }, | |
126 | { _INIT, SEC_ALLOC | SEC_CODE | SEC_LOAD }, | |
127 | { _FINI, SEC_ALLOC | SEC_CODE | SEC_LOAD }, | |
128 | { _DATA, SEC_ALLOC | SEC_DATA | SEC_LOAD }, | |
a4dd6c97 | 129 | { _SDATA, SEC_ALLOC | SEC_DATA | SEC_LOAD | SEC_SMALL_DATA }, |
3b5d3310 | 130 | { _RDATA, SEC_ALLOC | SEC_DATA | SEC_LOAD | SEC_READONLY}, |
a4dd6c97 AM |
131 | { _LIT8, SEC_ALLOC | SEC_DATA | SEC_LOAD | SEC_READONLY | SEC_SMALL_DATA}, |
132 | { _LIT4, SEC_ALLOC | SEC_DATA | SEC_LOAD | SEC_READONLY | SEC_SMALL_DATA}, | |
3b5d3310 NC |
133 | { _RCONST, SEC_ALLOC | SEC_DATA | SEC_LOAD | SEC_READONLY}, |
134 | { _PDATA, SEC_ALLOC | SEC_DATA | SEC_LOAD | SEC_READONLY}, | |
135 | { _BSS, SEC_ALLOC}, | |
a4dd6c97 | 136 | { _SBSS, SEC_ALLOC | SEC_SMALL_DATA}, |
3b5d3310 NC |
137 | /* An Irix 4 shared libary. */ |
138 | { _LIB, SEC_COFF_SHARED_LIBRARY} | |
139 | }; | |
140 | ||
252b5132 RH |
141 | section->alignment_power = 4; |
142 | ||
3b5d3310 NC |
143 | for (i = 0; i < ARRAY_SIZE (section_flags); i++) |
144 | if (streq (section->name, section_flags[i].name)) | |
145 | { | |
146 | section->flags |= section_flags[i].flags; | |
147 | break; | |
148 | } | |
149 | ||
252b5132 RH |
150 | |
151 | /* Probably any other section name is SEC_NEVER_LOAD, but I'm | |
152 | uncertain about .init on some systems and I don't know how shared | |
153 | libraries work. */ | |
154 | ||
f592407e | 155 | return _bfd_generic_new_section_hook (abfd, section); |
252b5132 RH |
156 | } |
157 | ||
d00dd7dc AM |
158 | void |
159 | _bfd_ecoff_set_alignment_hook (bfd *abfd ATTRIBUTE_UNUSED, | |
160 | asection *section ATTRIBUTE_UNUSED, | |
161 | void *scnhdr ATTRIBUTE_UNUSED) | |
162 | { | |
163 | } | |
164 | ||
252b5132 RH |
165 | /* Determine the machine architecture and type. This is called from |
166 | the generic COFF routines. It is the inverse of ecoff_get_magic, | |
167 | below. This could be an ECOFF backend routine, with one version | |
168 | for each target, but there aren't all that many ECOFF targets. */ | |
169 | ||
0a1b45a2 | 170 | bool |
3b5d3310 | 171 | _bfd_ecoff_set_arch_mach_hook (bfd *abfd, void * filehdr) |
252b5132 | 172 | { |
21d799b5 | 173 | struct internal_filehdr *internal_f = (struct internal_filehdr *) filehdr; |
252b5132 RH |
174 | enum bfd_architecture arch; |
175 | unsigned long mach; | |
176 | ||
177 | switch (internal_f->f_magic) | |
178 | { | |
179 | case MIPS_MAGIC_1: | |
180 | case MIPS_MAGIC_LITTLE: | |
181 | case MIPS_MAGIC_BIG: | |
182 | arch = bfd_arch_mips; | |
250d94fd | 183 | mach = bfd_mach_mips3000; |
252b5132 RH |
184 | break; |
185 | ||
186 | case MIPS_MAGIC_LITTLE2: | |
187 | case MIPS_MAGIC_BIG2: | |
b0ac09d2 | 188 | /* MIPS ISA level 2: the r6000. */ |
252b5132 | 189 | arch = bfd_arch_mips; |
250d94fd | 190 | mach = bfd_mach_mips6000; |
252b5132 RH |
191 | break; |
192 | ||
193 | case MIPS_MAGIC_LITTLE3: | |
194 | case MIPS_MAGIC_BIG3: | |
b0ac09d2 | 195 | /* MIPS ISA level 3: the r4000. */ |
252b5132 | 196 | arch = bfd_arch_mips; |
250d94fd | 197 | mach = bfd_mach_mips4000; |
252b5132 RH |
198 | break; |
199 | ||
200 | case ALPHA_MAGIC: | |
201 | arch = bfd_arch_alpha; | |
202 | mach = 0; | |
203 | break; | |
204 | ||
205 | default: | |
206 | arch = bfd_arch_obscure; | |
207 | mach = 0; | |
208 | break; | |
209 | } | |
210 | ||
211 | return bfd_default_set_arch_mach (abfd, arch, mach); | |
212 | } | |
213 | ||
0a1b45a2 | 214 | bool |
2c3fc389 | 215 | _bfd_ecoff_no_long_sections (bfd *abfd, int enable) |
88183869 DK |
216 | { |
217 | (void) abfd; | |
218 | (void) enable; | |
0a1b45a2 | 219 | return false; |
88183869 DK |
220 | } |
221 | ||
252b5132 RH |
222 | /* Get the magic number to use based on the architecture and machine. |
223 | This is the inverse of _bfd_ecoff_set_arch_mach_hook, above. */ | |
224 | ||
225 | static int | |
3b5d3310 | 226 | ecoff_get_magic (bfd *abfd) |
252b5132 RH |
227 | { |
228 | int big, little; | |
229 | ||
230 | switch (bfd_get_arch (abfd)) | |
231 | { | |
232 | case bfd_arch_mips: | |
233 | switch (bfd_get_mach (abfd)) | |
234 | { | |
235 | default: | |
236 | case 0: | |
250d94fd | 237 | case bfd_mach_mips3000: |
252b5132 RH |
238 | big = MIPS_MAGIC_BIG; |
239 | little = MIPS_MAGIC_LITTLE; | |
240 | break; | |
241 | ||
250d94fd | 242 | case bfd_mach_mips6000: |
252b5132 RH |
243 | big = MIPS_MAGIC_BIG2; |
244 | little = MIPS_MAGIC_LITTLE2; | |
245 | break; | |
246 | ||
250d94fd | 247 | case bfd_mach_mips4000: |
252b5132 RH |
248 | big = MIPS_MAGIC_BIG3; |
249 | little = MIPS_MAGIC_LITTLE3; | |
250 | break; | |
251 | } | |
252 | ||
253 | return bfd_big_endian (abfd) ? big : little; | |
254 | ||
255 | case bfd_arch_alpha: | |
256 | return ALPHA_MAGIC; | |
257 | ||
258 | default: | |
259 | abort (); | |
260 | return 0; | |
261 | } | |
262 | } | |
263 | ||
264 | /* Get the section s_flags to use for a section. */ | |
265 | ||
266 | static long | |
3b5d3310 | 267 | ecoff_sec_to_styp_flags (const char *name, flagword flags) |
252b5132 | 268 | { |
3b5d3310 NC |
269 | unsigned int i; |
270 | static struct | |
271 | { | |
272 | const char * name; | |
273 | long flags; | |
274 | } | |
275 | styp_flags [] = | |
276 | { | |
07d6d2b8 AM |
277 | { _TEXT, STYP_TEXT }, |
278 | { _DATA, STYP_DATA }, | |
279 | { _SDATA, STYP_SDATA }, | |
280 | { _RDATA, STYP_RDATA }, | |
281 | { _LITA, STYP_LITA }, | |
282 | { _LIT8, STYP_LIT8 }, | |
283 | { _LIT4, STYP_LIT4 }, | |
284 | { _BSS, STYP_BSS }, | |
285 | { _SBSS, STYP_SBSS }, | |
286 | { _INIT, STYP_ECOFF_INIT }, | |
287 | { _FINI, STYP_ECOFF_FINI }, | |
288 | { _PDATA, STYP_PDATA }, | |
289 | { _XDATA, STYP_XDATA }, | |
290 | { _LIB, STYP_ECOFF_LIB }, | |
291 | { _GOT, STYP_GOT }, | |
292 | { _HASH, STYP_HASH }, | |
293 | { _DYNAMIC, STYP_DYNAMIC }, | |
294 | { _LIBLIST, STYP_LIBLIST }, | |
295 | { _RELDYN, STYP_RELDYN }, | |
296 | { _CONFLIC, STYP_CONFLIC }, | |
297 | { _DYNSTR, STYP_DYNSTR }, | |
298 | { _DYNSYM, STYP_DYNSYM }, | |
299 | { _RCONST, STYP_RCONST } | |
3b5d3310 NC |
300 | }; |
301 | long styp = 0; | |
302 | ||
303 | for (i = 0; i < ARRAY_SIZE (styp_flags); i++) | |
304 | if (streq (name, styp_flags[i].name)) | |
305 | { | |
306 | styp = styp_flags[i].flags; | |
307 | break; | |
308 | } | |
309 | ||
310 | if (styp == 0) | |
252b5132 | 311 | { |
3b5d3310 NC |
312 | if (streq (name, _COMMENT)) |
313 | { | |
314 | styp = STYP_COMMENT; | |
315 | flags &=~ SEC_NEVER_LOAD; | |
316 | } | |
317 | else if (flags & SEC_CODE) | |
318 | styp = STYP_TEXT; | |
319 | else if (flags & SEC_DATA) | |
320 | styp = STYP_DATA; | |
321 | else if (flags & SEC_READONLY) | |
322 | styp = STYP_RDATA; | |
323 | else if (flags & SEC_LOAD) | |
324 | styp = STYP_REG; | |
325 | else | |
326 | styp = STYP_BSS; | |
252b5132 | 327 | } |
252b5132 RH |
328 | |
329 | if (flags & SEC_NEVER_LOAD) | |
330 | styp |= STYP_NOLOAD; | |
331 | ||
332 | return styp; | |
333 | } | |
334 | ||
335 | /* Get the BFD flags to use for a section. */ | |
336 | ||
0a1b45a2 | 337 | bool |
3b5d3310 NC |
338 | _bfd_ecoff_styp_to_sec_flags (bfd *abfd ATTRIBUTE_UNUSED, |
339 | void * hdr, | |
340 | const char *name ATTRIBUTE_UNUSED, | |
341 | asection *section ATTRIBUTE_UNUSED, | |
342 | flagword * flags_ptr) | |
252b5132 | 343 | { |
21d799b5 | 344 | struct internal_scnhdr *internal_s = (struct internal_scnhdr *) hdr; |
252b5132 | 345 | long styp_flags = internal_s->s_flags; |
7c8ca0e4 | 346 | flagword sec_flags = 0; |
252b5132 RH |
347 | |
348 | if (styp_flags & STYP_NOLOAD) | |
349 | sec_flags |= SEC_NEVER_LOAD; | |
350 | ||
351 | /* For 386 COFF, at least, an unloadable text or data section is | |
352 | actually a shared library section. */ | |
353 | if ((styp_flags & STYP_TEXT) | |
354 | || (styp_flags & STYP_ECOFF_INIT) | |
355 | || (styp_flags & STYP_ECOFF_FINI) | |
356 | || (styp_flags & STYP_DYNAMIC) | |
357 | || (styp_flags & STYP_LIBLIST) | |
358 | || (styp_flags & STYP_RELDYN) | |
359 | || styp_flags == STYP_CONFLIC | |
360 | || (styp_flags & STYP_DYNSTR) | |
361 | || (styp_flags & STYP_DYNSYM) | |
362 | || (styp_flags & STYP_HASH)) | |
363 | { | |
364 | if (sec_flags & SEC_NEVER_LOAD) | |
365 | sec_flags |= SEC_CODE | SEC_COFF_SHARED_LIBRARY; | |
366 | else | |
367 | sec_flags |= SEC_CODE | SEC_LOAD | SEC_ALLOC; | |
368 | } | |
369 | else if ((styp_flags & STYP_DATA) | |
370 | || (styp_flags & STYP_RDATA) | |
371 | || (styp_flags & STYP_SDATA) | |
372 | || styp_flags == STYP_PDATA | |
373 | || styp_flags == STYP_XDATA | |
374 | || (styp_flags & STYP_GOT) | |
375 | || styp_flags == STYP_RCONST) | |
376 | { | |
377 | if (sec_flags & SEC_NEVER_LOAD) | |
378 | sec_flags |= SEC_DATA | SEC_COFF_SHARED_LIBRARY; | |
379 | else | |
380 | sec_flags |= SEC_DATA | SEC_LOAD | SEC_ALLOC; | |
381 | if ((styp_flags & STYP_RDATA) | |
382 | || styp_flags == STYP_PDATA | |
383 | || styp_flags == STYP_RCONST) | |
384 | sec_flags |= SEC_READONLY; | |
a4dd6c97 AM |
385 | if (styp_flags & STYP_SDATA) |
386 | sec_flags |= SEC_SMALL_DATA; | |
252b5132 | 387 | } |
a4dd6c97 AM |
388 | else if (styp_flags & STYP_SBSS) |
389 | sec_flags |= SEC_ALLOC | SEC_SMALL_DATA; | |
390 | else if (styp_flags & STYP_BSS) | |
7c8ca0e4 | 391 | sec_flags |= SEC_ALLOC; |
252b5132 | 392 | else if ((styp_flags & STYP_INFO) || styp_flags == STYP_COMMENT) |
7c8ca0e4 | 393 | sec_flags |= SEC_NEVER_LOAD; |
252b5132 RH |
394 | else if ((styp_flags & STYP_LITA) |
395 | || (styp_flags & STYP_LIT8) | |
396 | || (styp_flags & STYP_LIT4)) | |
a4dd6c97 | 397 | sec_flags |= SEC_DATA |SEC_SMALL_DATA | SEC_LOAD | SEC_ALLOC | SEC_READONLY; |
252b5132 | 398 | else if (styp_flags & STYP_ECOFF_LIB) |
7c8ca0e4 | 399 | sec_flags |= SEC_COFF_SHARED_LIBRARY; |
252b5132 | 400 | else |
7c8ca0e4 | 401 | sec_flags |= SEC_ALLOC | SEC_LOAD; |
252b5132 | 402 | |
7c8ca0e4 | 403 | * flags_ptr = sec_flags; |
0a1b45a2 | 404 | return true; |
252b5132 RH |
405 | } |
406 | \f | |
407 | /* Read in the symbolic header for an ECOFF object file. */ | |
408 | ||
0a1b45a2 | 409 | static bool |
3b5d3310 | 410 | ecoff_slurp_symbolic_header (bfd *abfd) |
252b5132 RH |
411 | { |
412 | const struct ecoff_backend_data * const backend = ecoff_backend (abfd); | |
413 | bfd_size_type external_hdr_size; | |
3b5d3310 | 414 | void * raw = NULL; |
252b5132 RH |
415 | HDRR *internal_symhdr; |
416 | ||
417 | /* See if we've already read it in. */ | |
1abaf976 | 418 | if (ecoff_data (abfd)->debug_info.symbolic_header.magic == |
252b5132 | 419 | backend->debug_swap.sym_magic) |
0a1b45a2 | 420 | return true; |
252b5132 RH |
421 | |
422 | /* See whether there is a symbolic header. */ | |
423 | if (ecoff_data (abfd)->sym_filepos == 0) | |
424 | { | |
ed48ec2e | 425 | abfd->symcount = 0; |
0a1b45a2 | 426 | return true; |
252b5132 RH |
427 | } |
428 | ||
429 | /* At this point bfd_get_symcount (abfd) holds the number of symbols | |
430 | as read from the file header, but on ECOFF this is always the | |
431 | size of the symbolic information header. It would be cleaner to | |
432 | handle this when we first read the file in coffgen.c. */ | |
433 | external_hdr_size = backend->debug_swap.external_hdr_size; | |
434 | if (bfd_get_symcount (abfd) != external_hdr_size) | |
435 | { | |
436 | bfd_set_error (bfd_error_bad_value); | |
0a1b45a2 | 437 | return false; |
252b5132 RH |
438 | } |
439 | ||
440 | /* Read the symbolic information header. */ | |
2bb3687b AM |
441 | if (bfd_seek (abfd, ecoff_data (abfd)->sym_filepos, SEEK_SET) != 0) |
442 | goto error_return; | |
443 | raw = _bfd_malloc_and_read (abfd, external_hdr_size, external_hdr_size); | |
252b5132 RH |
444 | if (raw == NULL) |
445 | goto error_return; | |
446 | ||
252b5132 RH |
447 | internal_symhdr = &ecoff_data (abfd)->debug_info.symbolic_header; |
448 | (*backend->debug_swap.swap_hdr_in) (abfd, raw, internal_symhdr); | |
449 | ||
450 | if (internal_symhdr->magic != backend->debug_swap.sym_magic) | |
451 | { | |
452 | bfd_set_error (bfd_error_bad_value); | |
453 | goto error_return; | |
454 | } | |
455 | ||
456 | /* Now we can get the correct number of symbols. */ | |
ed48ec2e | 457 | abfd->symcount = internal_symhdr->isymMax + internal_symhdr->iextMax; |
252b5132 | 458 | |
c9594989 | 459 | free (raw); |
0a1b45a2 | 460 | return true; |
252b5132 | 461 | error_return: |
c9594989 | 462 | free (raw); |
0a1b45a2 | 463 | return false; |
252b5132 RH |
464 | } |
465 | ||
466 | /* Read in and swap the important symbolic information for an ECOFF | |
467 | object file. This is called by gdb via the read_debug_info entry | |
468 | point in the backend structure. */ | |
469 | ||
0a1b45a2 | 470 | bool |
3b5d3310 NC |
471 | _bfd_ecoff_slurp_symbolic_info (bfd *abfd, |
472 | asection *ignore ATTRIBUTE_UNUSED, | |
473 | struct ecoff_debug_info *debug) | |
252b5132 RH |
474 | { |
475 | const struct ecoff_backend_data * const backend = ecoff_backend (abfd); | |
476 | HDRR *internal_symhdr; | |
477 | bfd_size_type raw_base; | |
478 | bfd_size_type raw_size; | |
3b5d3310 | 479 | void * raw; |
252b5132 RH |
480 | bfd_size_type external_fdr_size; |
481 | char *fraw_src; | |
482 | char *fraw_end; | |
483 | struct fdr *fdr_ptr; | |
484 | bfd_size_type raw_end; | |
485 | bfd_size_type cb_end; | |
dc810e39 | 486 | file_ptr pos; |
1f4361a7 | 487 | size_t amt; |
252b5132 RH |
488 | |
489 | BFD_ASSERT (debug == &ecoff_data (abfd)->debug_info); | |
490 | ||
491 | /* Check whether we've already gotten it, and whether there's any to | |
492 | get. */ | |
3b5d3310 | 493 | if (ecoff_data (abfd)->raw_syments != NULL) |
0a1b45a2 | 494 | return true; |
252b5132 RH |
495 | if (ecoff_data (abfd)->sym_filepos == 0) |
496 | { | |
ed48ec2e | 497 | abfd->symcount = 0; |
0a1b45a2 | 498 | return true; |
252b5132 RH |
499 | } |
500 | ||
501 | if (! ecoff_slurp_symbolic_header (abfd)) | |
0a1b45a2 | 502 | return false; |
252b5132 RH |
503 | |
504 | internal_symhdr = &debug->symbolic_header; | |
505 | ||
506 | /* Read all the symbolic information at once. */ | |
507 | raw_base = (ecoff_data (abfd)->sym_filepos | |
508 | + backend->debug_swap.external_hdr_size); | |
509 | ||
510 | /* Alpha ecoff makes the determination of raw_size difficult. It has | |
511 | an undocumented debug data section between the symhdr and the first | |
512 | documented section. And the ordering of the sections varies between | |
513 | statically and dynamically linked executables. | |
514 | If bfd supports SEEK_END someday, this code could be simplified. */ | |
252b5132 RH |
515 | raw_end = 0; |
516 | ||
517 | #define UPDATE_RAW_END(start, count, size) \ | |
518 | cb_end = internal_symhdr->start + internal_symhdr->count * (size); \ | |
519 | if (cb_end > raw_end) \ | |
520 | raw_end = cb_end | |
521 | ||
522 | UPDATE_RAW_END (cbLineOffset, cbLine, sizeof (unsigned char)); | |
523 | UPDATE_RAW_END (cbDnOffset, idnMax, backend->debug_swap.external_dnr_size); | |
524 | UPDATE_RAW_END (cbPdOffset, ipdMax, backend->debug_swap.external_pdr_size); | |
525 | UPDATE_RAW_END (cbSymOffset, isymMax, backend->debug_swap.external_sym_size); | |
0e327d91 | 526 | /* eraxxon@alumni.rice.edu: ioptMax refers to the size of the |
3b5d3310 | 527 | optimization symtab, not the number of entries. */ |
0e327d91 | 528 | UPDATE_RAW_END (cbOptOffset, ioptMax, sizeof (char)); |
252b5132 RH |
529 | UPDATE_RAW_END (cbAuxOffset, iauxMax, sizeof (union aux_ext)); |
530 | UPDATE_RAW_END (cbSsOffset, issMax, sizeof (char)); | |
531 | UPDATE_RAW_END (cbSsExtOffset, issExtMax, sizeof (char)); | |
532 | UPDATE_RAW_END (cbFdOffset, ifdMax, backend->debug_swap.external_fdr_size); | |
533 | UPDATE_RAW_END (cbRfdOffset, crfd, backend->debug_swap.external_rfd_size); | |
534 | UPDATE_RAW_END (cbExtOffset, iextMax, backend->debug_swap.external_ext_size); | |
535 | ||
536 | #undef UPDATE_RAW_END | |
537 | ||
538 | raw_size = raw_end - raw_base; | |
539 | if (raw_size == 0) | |
540 | { | |
541 | ecoff_data (abfd)->sym_filepos = 0; | |
0a1b45a2 | 542 | return true; |
252b5132 | 543 | } |
dc810e39 AM |
544 | pos = ecoff_data (abfd)->sym_filepos; |
545 | pos += backend->debug_swap.external_hdr_size; | |
2bb3687b | 546 | if (bfd_seek (abfd, pos, SEEK_SET) != 0) |
0a1b45a2 | 547 | return false; |
2bb3687b AM |
548 | raw = _bfd_alloc_and_read (abfd, raw_size, raw_size); |
549 | if (raw == NULL) | |
0a1b45a2 | 550 | return false; |
252b5132 RH |
551 | |
552 | ecoff_data (abfd)->raw_syments = raw; | |
553 | ||
554 | /* Get pointers for the numeric offsets in the HDRR structure. */ | |
3b5d3310 NC |
555 | #define FIX(off1, off2, type) \ |
556 | if (internal_symhdr->off1 == 0) \ | |
557 | debug->off2 = NULL; \ | |
558 | else \ | |
559 | debug->off2 = (type) ((char *) raw \ | |
560 | + (internal_symhdr->off1 \ | |
252b5132 | 561 | - raw_base)) |
b0ac09d2 | 562 | |
252b5132 | 563 | FIX (cbLineOffset, line, unsigned char *); |
3b5d3310 NC |
564 | FIX (cbDnOffset, external_dnr, void *); |
565 | FIX (cbPdOffset, external_pdr, void *); | |
566 | FIX (cbSymOffset, external_sym, void *); | |
567 | FIX (cbOptOffset, external_opt, void *); | |
252b5132 RH |
568 | FIX (cbAuxOffset, external_aux, union aux_ext *); |
569 | FIX (cbSsOffset, ss, char *); | |
570 | FIX (cbSsExtOffset, ssext, char *); | |
3b5d3310 NC |
571 | FIX (cbFdOffset, external_fdr, void *); |
572 | FIX (cbRfdOffset, external_rfd, void *); | |
573 | FIX (cbExtOffset, external_ext, void *); | |
252b5132 RH |
574 | #undef FIX |
575 | ||
576 | /* I don't want to always swap all the data, because it will just | |
577 | waste time and most programs will never look at it. The only | |
578 | time the linker needs most of the debugging information swapped | |
579 | is when linking big-endian and little-endian MIPS object files | |
580 | together, which is not a common occurrence. | |
581 | ||
582 | We need to look at the fdr to deal with a lot of information in | |
583 | the symbols, so we swap them here. */ | |
1f4361a7 AM |
584 | if (_bfd_mul_overflow ((unsigned long) internal_symhdr->ifdMax, |
585 | sizeof (struct fdr), &amt)) | |
586 | { | |
587 | bfd_set_error (bfd_error_file_too_big); | |
0a1b45a2 | 588 | return false; |
1f4361a7 AM |
589 | } |
590 | debug->fdr = (FDR *) bfd_alloc (abfd, amt); | |
252b5132 | 591 | if (debug->fdr == NULL) |
0a1b45a2 | 592 | return false; |
252b5132 RH |
593 | external_fdr_size = backend->debug_swap.external_fdr_size; |
594 | fdr_ptr = debug->fdr; | |
595 | fraw_src = (char *) debug->external_fdr; | |
a1165289 NC |
596 | /* PR 17512: file: 3372-1243-0.004. */ |
597 | if (fraw_src == NULL && internal_symhdr->ifdMax > 0) | |
0a1b45a2 | 598 | return false; |
252b5132 RH |
599 | fraw_end = fraw_src + internal_symhdr->ifdMax * external_fdr_size; |
600 | for (; fraw_src < fraw_end; fraw_src += external_fdr_size, fdr_ptr++) | |
3b5d3310 | 601 | (*backend->debug_swap.swap_fdr_in) (abfd, (void *) fraw_src, fdr_ptr); |
252b5132 | 602 | |
0a1b45a2 | 603 | return true; |
252b5132 RH |
604 | } |
605 | \f | |
606 | /* ECOFF symbol table routines. The ECOFF symbol table is described | |
607 | in gcc/mips-tfile.c. */ | |
608 | ||
609 | /* ECOFF uses two common sections. One is the usual one, and the | |
610 | other is for small objects. All the small objects are kept | |
611 | together, and then referenced via the gp pointer, which yields | |
612 | faster assembler code. This is what we use for the small common | |
613 | section. */ | |
614 | static asection ecoff_scom_section; | |
7f3a18cf AM |
615 | static const asymbol ecoff_scom_symbol = |
616 | GLOBAL_SYM_INIT (SCOMMON, &ecoff_scom_section); | |
617 | static asection ecoff_scom_section = | |
618 | BFD_FAKE_SECTION (ecoff_scom_section, &ecoff_scom_symbol, | |
619 | SCOMMON, 0, SEC_IS_COMMON | SEC_SMALL_DATA); | |
252b5132 RH |
620 | |
621 | /* Create an empty symbol. */ | |
622 | ||
623 | asymbol * | |
3b5d3310 | 624 | _bfd_ecoff_make_empty_symbol (bfd *abfd) |
252b5132 | 625 | { |
d3ce72d0 | 626 | ecoff_symbol_type *new_symbol; |
986f0783 | 627 | size_t amt = sizeof (ecoff_symbol_type); |
252b5132 | 628 | |
d3ce72d0 NC |
629 | new_symbol = (ecoff_symbol_type *) bfd_zalloc (abfd, amt); |
630 | if (new_symbol == NULL) | |
3b5d3310 | 631 | return NULL; |
d3ce72d0 NC |
632 | new_symbol->symbol.section = NULL; |
633 | new_symbol->fdr = NULL; | |
0a1b45a2 | 634 | new_symbol->local = false; |
d3ce72d0 NC |
635 | new_symbol->native = NULL; |
636 | new_symbol->symbol.the_bfd = abfd; | |
637 | return &new_symbol->symbol; | |
252b5132 RH |
638 | } |
639 | ||
640 | /* Set the BFD flags and section for an ECOFF symbol. */ | |
641 | ||
0a1b45a2 | 642 | static bool |
3b5d3310 NC |
643 | ecoff_set_symbol_info (bfd *abfd, |
644 | SYMR *ecoff_sym, | |
645 | asymbol *asym, | |
646 | int ext, | |
647 | int weak) | |
252b5132 RH |
648 | { |
649 | asym->the_bfd = abfd; | |
650 | asym->value = ecoff_sym->value; | |
651 | asym->section = &bfd_debug_section; | |
652 | asym->udata.i = 0; | |
653 | ||
654 | /* Most symbol types are just for debugging. */ | |
655 | switch (ecoff_sym->st) | |
656 | { | |
657 | case stGlobal: | |
658 | case stStatic: | |
659 | case stLabel: | |
660 | case stProc: | |
661 | case stStaticProc: | |
662 | break; | |
663 | case stNil: | |
664 | if (ECOFF_IS_STAB (ecoff_sym)) | |
665 | { | |
666 | asym->flags = BSF_DEBUGGING; | |
0a1b45a2 | 667 | return true; |
252b5132 RH |
668 | } |
669 | break; | |
670 | default: | |
671 | asym->flags = BSF_DEBUGGING; | |
0a1b45a2 | 672 | return true; |
252b5132 RH |
673 | } |
674 | ||
675 | if (weak) | |
676 | asym->flags = BSF_EXPORT | BSF_WEAK; | |
677 | else if (ext) | |
678 | asym->flags = BSF_EXPORT | BSF_GLOBAL; | |
679 | else | |
680 | { | |
681 | asym->flags = BSF_LOCAL; | |
682 | /* Normally, a local stProc symbol will have a corresponding | |
07d6d2b8 AM |
683 | external symbol. We mark the local symbol as a debugging |
684 | symbol, in order to prevent nm from printing both out. | |
685 | Similarly, we mark stLabel and stabs symbols as debugging | |
686 | symbols. In both cases, we do want to set the value | |
687 | correctly based on the symbol class. */ | |
252b5132 RH |
688 | if (ecoff_sym->st == stProc |
689 | || ecoff_sym->st == stLabel | |
690 | || ECOFF_IS_STAB (ecoff_sym)) | |
691 | asym->flags |= BSF_DEBUGGING; | |
692 | } | |
b0ac09d2 NC |
693 | |
694 | if (ecoff_sym->st == stProc || ecoff_sym->st == stStaticProc) | |
695 | asym->flags |= BSF_FUNCTION; | |
696 | ||
252b5132 RH |
697 | switch (ecoff_sym->sc) |
698 | { | |
699 | case scNil: | |
700 | /* Used for compiler generated labels. Leave them in the | |
701 | debugging section, and mark them as local. If BSF_DEBUGGING | |
702 | is set, then nm does not display them for some reason. If no | |
703 | flags are set then the linker whines about them. */ | |
704 | asym->flags = BSF_LOCAL; | |
705 | break; | |
706 | case scText: | |
3b5d3310 | 707 | asym->section = bfd_make_section_old_way (abfd, _TEXT); |
252b5132 RH |
708 | asym->value -= asym->section->vma; |
709 | break; | |
710 | case scData: | |
3b5d3310 | 711 | asym->section = bfd_make_section_old_way (abfd, _DATA); |
252b5132 RH |
712 | asym->value -= asym->section->vma; |
713 | break; | |
714 | case scBss: | |
3b5d3310 | 715 | asym->section = bfd_make_section_old_way (abfd, _BSS); |
252b5132 RH |
716 | asym->value -= asym->section->vma; |
717 | break; | |
718 | case scRegister: | |
719 | asym->flags = BSF_DEBUGGING; | |
720 | break; | |
721 | case scAbs: | |
722 | asym->section = bfd_abs_section_ptr; | |
723 | break; | |
724 | case scUndefined: | |
725 | asym->section = bfd_und_section_ptr; | |
726 | asym->flags = 0; | |
727 | asym->value = 0; | |
728 | break; | |
729 | case scCdbLocal: | |
730 | case scBits: | |
731 | case scCdbSystem: | |
732 | case scRegImage: | |
733 | case scInfo: | |
734 | case scUserStruct: | |
735 | asym->flags = BSF_DEBUGGING; | |
736 | break; | |
737 | case scSData: | |
738 | asym->section = bfd_make_section_old_way (abfd, ".sdata"); | |
739 | asym->value -= asym->section->vma; | |
740 | break; | |
741 | case scSBss: | |
742 | asym->section = bfd_make_section_old_way (abfd, ".sbss"); | |
743 | asym->value -= asym->section->vma; | |
744 | break; | |
745 | case scRData: | |
746 | asym->section = bfd_make_section_old_way (abfd, ".rdata"); | |
747 | asym->value -= asym->section->vma; | |
748 | break; | |
749 | case scVar: | |
750 | asym->flags = BSF_DEBUGGING; | |
751 | break; | |
752 | case scCommon: | |
753 | if (asym->value > ecoff_data (abfd)->gp_size) | |
754 | { | |
755 | asym->section = bfd_com_section_ptr; | |
756 | asym->flags = 0; | |
757 | break; | |
758 | } | |
759 | /* Fall through. */ | |
760 | case scSCommon: | |
252b5132 RH |
761 | asym->section = &ecoff_scom_section; |
762 | asym->flags = 0; | |
763 | break; | |
764 | case scVarRegister: | |
765 | case scVariant: | |
766 | asym->flags = BSF_DEBUGGING; | |
767 | break; | |
768 | case scSUndefined: | |
769 | asym->section = bfd_und_section_ptr; | |
770 | asym->flags = 0; | |
771 | asym->value = 0; | |
772 | break; | |
773 | case scInit: | |
774 | asym->section = bfd_make_section_old_way (abfd, ".init"); | |
775 | asym->value -= asym->section->vma; | |
776 | break; | |
777 | case scBasedVar: | |
778 | case scXData: | |
779 | case scPData: | |
780 | asym->flags = BSF_DEBUGGING; | |
781 | break; | |
782 | case scFini: | |
783 | asym->section = bfd_make_section_old_way (abfd, ".fini"); | |
784 | asym->value -= asym->section->vma; | |
785 | break; | |
786 | case scRConst: | |
787 | asym->section = bfd_make_section_old_way (abfd, ".rconst"); | |
788 | asym->value -= asym->section->vma; | |
789 | break; | |
790 | default: | |
791 | break; | |
792 | } | |
793 | ||
794 | /* Look for special constructors symbols and make relocation entries | |
795 | in a special construction section. These are produced by the | |
796 | -fgnu-linker argument to g++. */ | |
797 | if (ECOFF_IS_STAB (ecoff_sym)) | |
798 | { | |
799 | switch (ECOFF_UNMARK_STAB (ecoff_sym->index)) | |
800 | { | |
801 | default: | |
802 | break; | |
803 | ||
804 | case N_SETA: | |
805 | case N_SETT: | |
806 | case N_SETD: | |
807 | case N_SETB: | |
3b5d3310 NC |
808 | /* Mark the symbol as a constructor. */ |
809 | asym->flags |= BSF_CONSTRUCTOR; | |
252b5132 RH |
810 | break; |
811 | } | |
812 | } | |
0a1b45a2 | 813 | return true; |
252b5132 RH |
814 | } |
815 | ||
816 | /* Read an ECOFF symbol table. */ | |
817 | ||
0a1b45a2 | 818 | bool |
3b5d3310 | 819 | _bfd_ecoff_slurp_symbol_table (bfd *abfd) |
252b5132 RH |
820 | { |
821 | const struct ecoff_backend_data * const backend = ecoff_backend (abfd); | |
822 | const bfd_size_type external_ext_size | |
823 | = backend->debug_swap.external_ext_size; | |
824 | const bfd_size_type external_sym_size | |
825 | = backend->debug_swap.external_sym_size; | |
3b5d3310 | 826 | void (* const swap_ext_in) (bfd *, void *, EXTR *) |
252b5132 | 827 | = backend->debug_swap.swap_ext_in; |
3b5d3310 | 828 | void (* const swap_sym_in) (bfd *, void *, SYMR *) |
252b5132 | 829 | = backend->debug_swap.swap_sym_in; |
252b5132 RH |
830 | ecoff_symbol_type *internal; |
831 | ecoff_symbol_type *internal_ptr; | |
832 | char *eraw_src; | |
833 | char *eraw_end; | |
834 | FDR *fdr_ptr; | |
835 | FDR *fdr_end; | |
1f4361a7 | 836 | size_t amt; |
252b5132 RH |
837 | |
838 | /* If we've already read in the symbol table, do nothing. */ | |
839 | if (ecoff_data (abfd)->canonical_symbols != NULL) | |
0a1b45a2 | 840 | return true; |
252b5132 RH |
841 | |
842 | /* Get the symbolic information. */ | |
3b5d3310 | 843 | if (! _bfd_ecoff_slurp_symbolic_info (abfd, NULL, |
252b5132 | 844 | &ecoff_data (abfd)->debug_info)) |
0a1b45a2 | 845 | return false; |
252b5132 | 846 | if (bfd_get_symcount (abfd) == 0) |
0a1b45a2 | 847 | return true; |
252b5132 | 848 | |
1f4361a7 AM |
849 | if (_bfd_mul_overflow (bfd_get_symcount (abfd), |
850 | sizeof (ecoff_symbol_type), &amt)) | |
851 | { | |
852 | bfd_set_error (bfd_error_file_too_big); | |
0a1b45a2 | 853 | return false; |
1f4361a7 AM |
854 | } |
855 | internal = (ecoff_symbol_type *) bfd_alloc (abfd, amt); | |
252b5132 | 856 | if (internal == NULL) |
0a1b45a2 | 857 | return false; |
252b5132 RH |
858 | |
859 | internal_ptr = internal; | |
860 | eraw_src = (char *) ecoff_data (abfd)->debug_info.external_ext; | |
861 | eraw_end = (eraw_src | |
862 | + (ecoff_data (abfd)->debug_info.symbolic_header.iextMax | |
863 | * external_ext_size)); | |
864 | for (; eraw_src < eraw_end; eraw_src += external_ext_size, internal_ptr++) | |
865 | { | |
866 | EXTR internal_esym; | |
867 | ||
3b5d3310 | 868 | (*swap_ext_in) (abfd, (void *) eraw_src, &internal_esym); |
a1165289 NC |
869 | |
870 | /* PR 17512: file: 3372-1000-0.004. */ | |
64d29018 NC |
871 | if (internal_esym.asym.iss >= ecoff_data (abfd)->debug_info.symbolic_header.issExtMax |
872 | || internal_esym.asym.iss < 0) | |
0a1b45a2 | 873 | return false; |
a1165289 | 874 | |
252b5132 RH |
875 | internal_ptr->symbol.name = (ecoff_data (abfd)->debug_info.ssext |
876 | + internal_esym.asym.iss); | |
64d29018 | 877 | |
252b5132 RH |
878 | if (!ecoff_set_symbol_info (abfd, &internal_esym.asym, |
879 | &internal_ptr->symbol, 1, | |
880 | internal_esym.weakext)) | |
0a1b45a2 | 881 | return false; |
64d29018 | 882 | |
252b5132 RH |
883 | /* The alpha uses a negative ifd field for section symbols. */ |
884 | if (internal_esym.ifd >= 0) | |
64d29018 NC |
885 | { |
886 | /* PR 17512: file: 3372-1983-0.004. */ | |
887 | if (internal_esym.ifd >= ecoff_data (abfd)->debug_info.symbolic_header.ifdMax) | |
888 | internal_ptr->fdr = NULL; | |
889 | else | |
890 | internal_ptr->fdr = (ecoff_data (abfd)->debug_info.fdr | |
891 | + internal_esym.ifd); | |
892 | } | |
252b5132 RH |
893 | else |
894 | internal_ptr->fdr = NULL; | |
0a1b45a2 | 895 | internal_ptr->local = false; |
3b5d3310 | 896 | internal_ptr->native = (void *) eraw_src; |
252b5132 RH |
897 | } |
898 | ||
899 | /* The local symbols must be accessed via the fdr's, because the | |
900 | string and aux indices are relative to the fdr information. */ | |
901 | fdr_ptr = ecoff_data (abfd)->debug_info.fdr; | |
902 | fdr_end = fdr_ptr + ecoff_data (abfd)->debug_info.symbolic_header.ifdMax; | |
903 | for (; fdr_ptr < fdr_end; fdr_ptr++) | |
904 | { | |
905 | char *lraw_src; | |
906 | char *lraw_end; | |
907 | ||
908 | lraw_src = ((char *) ecoff_data (abfd)->debug_info.external_sym | |
909 | + fdr_ptr->isymBase * external_sym_size); | |
910 | lraw_end = lraw_src + fdr_ptr->csym * external_sym_size; | |
911 | for (; | |
912 | lraw_src < lraw_end; | |
913 | lraw_src += external_sym_size, internal_ptr++) | |
914 | { | |
915 | SYMR internal_sym; | |
916 | ||
3b5d3310 | 917 | (*swap_sym_in) (abfd, (void *) lraw_src, &internal_sym); |
252b5132 RH |
918 | internal_ptr->symbol.name = (ecoff_data (abfd)->debug_info.ss |
919 | + fdr_ptr->issBase | |
920 | + internal_sym.iss); | |
921 | if (!ecoff_set_symbol_info (abfd, &internal_sym, | |
922 | &internal_ptr->symbol, 0, 0)) | |
0a1b45a2 | 923 | return false; |
252b5132 | 924 | internal_ptr->fdr = fdr_ptr; |
0a1b45a2 | 925 | internal_ptr->local = true; |
3b5d3310 | 926 | internal_ptr->native = (void *) lraw_src; |
252b5132 RH |
927 | } |
928 | } | |
929 | ||
1036838a NC |
930 | /* PR 17512: file: 3372-3080-0.004. |
931 | A discrepancy between ecoff_data (abfd)->debug_info.symbolic_header.isymMax | |
932 | and ecoff_data (abfd)->debug_info.symbolic_header.ifdMax can mean that | |
933 | we have fewer symbols than we were expecting. Allow for this by updating | |
934 | the symbol count and warning the user. */ | |
238309aa | 935 | if (internal_ptr - internal < (ptrdiff_t) bfd_get_symcount (abfd)) |
1036838a | 936 | { |
ed48ec2e | 937 | abfd->symcount = internal_ptr - internal; |
4eca0228 | 938 | _bfd_error_handler |
695344c0 | 939 | /* xgettext:c-format */ |
871b3ab2 | 940 | (_("%pB: warning: isymMax (%ld) is greater than ifdMax (%ld)"), |
1036838a NC |
941 | abfd, ecoff_data (abfd)->debug_info.symbolic_header.isymMax, |
942 | ecoff_data (abfd)->debug_info.symbolic_header.ifdMax); | |
943 | } | |
944 | ||
252b5132 RH |
945 | ecoff_data (abfd)->canonical_symbols = internal; |
946 | ||
0a1b45a2 | 947 | return true; |
252b5132 RH |
948 | } |
949 | ||
950 | /* Return the amount of space needed for the canonical symbols. */ | |
951 | ||
952 | long | |
3b5d3310 | 953 | _bfd_ecoff_get_symtab_upper_bound (bfd *abfd) |
252b5132 | 954 | { |
3b5d3310 | 955 | if (! _bfd_ecoff_slurp_symbolic_info (abfd, NULL, |
252b5132 RH |
956 | &ecoff_data (abfd)->debug_info)) |
957 | return -1; | |
958 | ||
959 | if (bfd_get_symcount (abfd) == 0) | |
960 | return 0; | |
961 | ||
962 | return (bfd_get_symcount (abfd) + 1) * (sizeof (ecoff_symbol_type *)); | |
963 | } | |
964 | ||
965 | /* Get the canonical symbols. */ | |
966 | ||
967 | long | |
3b5d3310 | 968 | _bfd_ecoff_canonicalize_symtab (bfd *abfd, asymbol **alocation) |
252b5132 RH |
969 | { |
970 | unsigned int counter = 0; | |
971 | ecoff_symbol_type *symbase; | |
972 | ecoff_symbol_type **location = (ecoff_symbol_type **) alocation; | |
973 | ||
82e51918 | 974 | if (! _bfd_ecoff_slurp_symbol_table (abfd)) |
252b5132 RH |
975 | return -1; |
976 | if (bfd_get_symcount (abfd) == 0) | |
977 | return 0; | |
978 | ||
979 | symbase = ecoff_data (abfd)->canonical_symbols; | |
980 | while (counter < bfd_get_symcount (abfd)) | |
981 | { | |
982 | *(location++) = symbase++; | |
983 | counter++; | |
984 | } | |
3b5d3310 | 985 | *location++ = NULL; |
252b5132 RH |
986 | return bfd_get_symcount (abfd); |
987 | } | |
988 | ||
989 | /* Turn ECOFF type information into a printable string. | |
990 | ecoff_emit_aggregate and ecoff_type_to_string are from | |
991 | gcc/mips-tdump.c, with swapping added and used_ptr removed. */ | |
992 | ||
993 | /* Write aggregate information to a string. */ | |
994 | ||
995 | static void | |
3b5d3310 NC |
996 | ecoff_emit_aggregate (bfd *abfd, |
997 | FDR *fdr, | |
998 | char *string, | |
999 | RNDXR *rndx, | |
1000 | long isym, | |
1001 | const char *which) | |
252b5132 RH |
1002 | { |
1003 | const struct ecoff_debug_swap * const debug_swap = | |
1004 | &ecoff_backend (abfd)->debug_swap; | |
1005 | struct ecoff_debug_info * const debug_info = &ecoff_data (abfd)->debug_info; | |
1006 | unsigned int ifd = rndx->rfd; | |
1007 | unsigned int indx = rndx->index; | |
1008 | const char *name; | |
1abaf976 | 1009 | |
252b5132 RH |
1010 | if (ifd == 0xfff) |
1011 | ifd = isym; | |
1012 | ||
1013 | /* An ifd of -1 is an opaque type. An escaped index of 0 is a | |
1014 | struct return type of a procedure compiled without -g. */ | |
1015 | if (ifd == 0xffffffff | |
1016 | || (rndx->rfd == 0xfff && indx == 0)) | |
1017 | name = "<undefined>"; | |
1018 | else if (indx == indexNil) | |
1019 | name = "<no name>"; | |
1020 | else | |
1021 | { | |
1022 | SYMR sym; | |
1023 | ||
1024 | if (debug_info->external_rfd == NULL) | |
1025 | fdr = debug_info->fdr + ifd; | |
1026 | else | |
1027 | { | |
1028 | RFDT rfd; | |
1029 | ||
1030 | (*debug_swap->swap_rfd_in) (abfd, | |
1031 | ((char *) debug_info->external_rfd | |
1032 | + ((fdr->rfdBase + ifd) | |
1033 | * debug_swap->external_rfd_size)), | |
1034 | &rfd); | |
1035 | fdr = debug_info->fdr + rfd; | |
1036 | } | |
1037 | ||
1038 | indx += fdr->isymBase; | |
1039 | ||
1040 | (*debug_swap->swap_sym_in) (abfd, | |
1041 | ((char *) debug_info->external_sym | |
1042 | + indx * debug_swap->external_sym_size), | |
1043 | &sym); | |
1044 | ||
1045 | name = debug_info->ss + fdr->issBase + sym.iss; | |
1046 | } | |
1047 | ||
1048 | sprintf (string, | |
1049 | "%s %s { ifd = %u, index = %lu }", | |
1050 | which, name, ifd, | |
0af1713e | 1051 | ((unsigned long) indx |
252b5132 RH |
1052 | + debug_info->symbolic_header.iextMax)); |
1053 | } | |
1054 | ||
1055 | /* Convert the type information to string format. */ | |
1056 | ||
1057 | static char * | |
7fbd5f4e | 1058 | ecoff_type_to_string (bfd *abfd, FDR *fdr, unsigned int indx, char *buff) |
252b5132 RH |
1059 | { |
1060 | union aux_ext *aux_ptr; | |
1061 | int bigendian; | |
1062 | AUXU u; | |
3b5d3310 NC |
1063 | struct qual |
1064 | { | |
252b5132 RH |
1065 | unsigned int type; |
1066 | int low_bound; | |
1067 | int high_bound; | |
1068 | int stride; | |
1069 | } qualifiers[7]; | |
1070 | unsigned int basic_type; | |
1071 | int i; | |
1072 | char buffer1[1024]; | |
252b5132 | 1073 | char *p1 = buffer1; |
7fbd5f4e | 1074 | char *p2 = buff; |
252b5132 RH |
1075 | RNDXR rndx; |
1076 | ||
1077 | aux_ptr = ecoff_data (abfd)->debug_info.external_aux + fdr->iauxBase; | |
1078 | bigendian = fdr->fBigendian; | |
1079 | ||
1080 | for (i = 0; i < 7; i++) | |
1081 | { | |
1082 | qualifiers[i].low_bound = 0; | |
1083 | qualifiers[i].high_bound = 0; | |
1084 | qualifiers[i].stride = 0; | |
1085 | } | |
1086 | ||
1087 | if (AUX_GET_ISYM (bigendian, &aux_ptr[indx]) == (bfd_vma) -1) | |
1088 | return "-1 (no type)"; | |
1089 | _bfd_ecoff_swap_tir_in (bigendian, &aux_ptr[indx++].a_ti, &u.ti); | |
1090 | ||
1091 | basic_type = u.ti.bt; | |
1092 | qualifiers[0].type = u.ti.tq0; | |
1093 | qualifiers[1].type = u.ti.tq1; | |
1094 | qualifiers[2].type = u.ti.tq2; | |
1095 | qualifiers[3].type = u.ti.tq3; | |
1096 | qualifiers[4].type = u.ti.tq4; | |
1097 | qualifiers[5].type = u.ti.tq5; | |
1098 | qualifiers[6].type = tqNil; | |
1099 | ||
b0ac09d2 | 1100 | /* Go get the basic type. */ |
252b5132 RH |
1101 | switch (basic_type) |
1102 | { | |
b0ac09d2 | 1103 | case btNil: /* Undefined. */ |
252b5132 RH |
1104 | strcpy (p1, "nil"); |
1105 | break; | |
1106 | ||
b0ac09d2 | 1107 | case btAdr: /* Address - integer same size as pointer. */ |
252b5132 RH |
1108 | strcpy (p1, "address"); |
1109 | break; | |
1110 | ||
b0ac09d2 | 1111 | case btChar: /* Character. */ |
252b5132 RH |
1112 | strcpy (p1, "char"); |
1113 | break; | |
1114 | ||
b0ac09d2 | 1115 | case btUChar: /* Unsigned character. */ |
252b5132 RH |
1116 | strcpy (p1, "unsigned char"); |
1117 | break; | |
1118 | ||
b0ac09d2 | 1119 | case btShort: /* Short. */ |
252b5132 RH |
1120 | strcpy (p1, "short"); |
1121 | break; | |
1122 | ||
b0ac09d2 | 1123 | case btUShort: /* Unsigned short. */ |
252b5132 RH |
1124 | strcpy (p1, "unsigned short"); |
1125 | break; | |
1126 | ||
b0ac09d2 | 1127 | case btInt: /* Int. */ |
252b5132 RH |
1128 | strcpy (p1, "int"); |
1129 | break; | |
1130 | ||
b0ac09d2 | 1131 | case btUInt: /* Unsigned int. */ |
252b5132 RH |
1132 | strcpy (p1, "unsigned int"); |
1133 | break; | |
1134 | ||
b0ac09d2 | 1135 | case btLong: /* Long. */ |
252b5132 RH |
1136 | strcpy (p1, "long"); |
1137 | break; | |
1138 | ||
b0ac09d2 | 1139 | case btULong: /* Unsigned long. */ |
252b5132 RH |
1140 | strcpy (p1, "unsigned long"); |
1141 | break; | |
1142 | ||
b0ac09d2 | 1143 | case btFloat: /* Float (real). */ |
252b5132 RH |
1144 | strcpy (p1, "float"); |
1145 | break; | |
1146 | ||
b0ac09d2 | 1147 | case btDouble: /* Double (real). */ |
252b5132 RH |
1148 | strcpy (p1, "double"); |
1149 | break; | |
1150 | ||
1151 | /* Structures add 1-2 aux words: | |
1152 | 1st word is [ST_RFDESCAPE, offset] pointer to struct def; | |
1153 | 2nd word is file index if 1st word rfd is ST_RFDESCAPE. */ | |
1154 | ||
b0ac09d2 | 1155 | case btStruct: /* Structure (Record). */ |
252b5132 RH |
1156 | _bfd_ecoff_swap_rndx_in (bigendian, &aux_ptr[indx].a_rndx, &rndx); |
1157 | ecoff_emit_aggregate (abfd, fdr, p1, &rndx, | |
1158 | (long) AUX_GET_ISYM (bigendian, &aux_ptr[indx+1]), | |
1159 | "struct"); | |
b0ac09d2 | 1160 | indx++; /* Skip aux words. */ |
252b5132 RH |
1161 | break; |
1162 | ||
1163 | /* Unions add 1-2 aux words: | |
1164 | 1st word is [ST_RFDESCAPE, offset] pointer to union def; | |
1165 | 2nd word is file index if 1st word rfd is ST_RFDESCAPE. */ | |
1166 | ||
b0ac09d2 | 1167 | case btUnion: /* Union. */ |
252b5132 RH |
1168 | _bfd_ecoff_swap_rndx_in (bigendian, &aux_ptr[indx].a_rndx, &rndx); |
1169 | ecoff_emit_aggregate (abfd, fdr, p1, &rndx, | |
1170 | (long) AUX_GET_ISYM (bigendian, &aux_ptr[indx+1]), | |
1171 | "union"); | |
b0ac09d2 | 1172 | indx++; /* Skip aux words. */ |
252b5132 RH |
1173 | break; |
1174 | ||
1175 | /* Enumerations add 1-2 aux words: | |
1176 | 1st word is [ST_RFDESCAPE, offset] pointer to enum def; | |
1177 | 2nd word is file index if 1st word rfd is ST_RFDESCAPE. */ | |
1178 | ||
b0ac09d2 | 1179 | case btEnum: /* Enumeration. */ |
252b5132 RH |
1180 | _bfd_ecoff_swap_rndx_in (bigendian, &aux_ptr[indx].a_rndx, &rndx); |
1181 | ecoff_emit_aggregate (abfd, fdr, p1, &rndx, | |
1182 | (long) AUX_GET_ISYM (bigendian, &aux_ptr[indx+1]), | |
1183 | "enum"); | |
b0ac09d2 | 1184 | indx++; /* Skip aux words. */ |
252b5132 RH |
1185 | break; |
1186 | ||
b0ac09d2 | 1187 | case btTypedef: /* Defined via a typedef, isymRef points. */ |
252b5132 RH |
1188 | strcpy (p1, "typedef"); |
1189 | break; | |
1190 | ||
b0ac09d2 | 1191 | case btRange: /* Subrange of int. */ |
252b5132 RH |
1192 | strcpy (p1, "subrange"); |
1193 | break; | |
1194 | ||
b0ac09d2 | 1195 | case btSet: /* Pascal sets. */ |
252b5132 RH |
1196 | strcpy (p1, "set"); |
1197 | break; | |
1198 | ||
b0ac09d2 | 1199 | case btComplex: /* Fortran complex. */ |
252b5132 RH |
1200 | strcpy (p1, "complex"); |
1201 | break; | |
1202 | ||
b0ac09d2 | 1203 | case btDComplex: /* Fortran double complex. */ |
252b5132 RH |
1204 | strcpy (p1, "double complex"); |
1205 | break; | |
1206 | ||
b0ac09d2 | 1207 | case btIndirect: /* Forward or unnamed typedef. */ |
252b5132 RH |
1208 | strcpy (p1, "forward/unamed typedef"); |
1209 | break; | |
1210 | ||
b0ac09d2 | 1211 | case btFixedDec: /* Fixed Decimal. */ |
252b5132 RH |
1212 | strcpy (p1, "fixed decimal"); |
1213 | break; | |
1214 | ||
b0ac09d2 | 1215 | case btFloatDec: /* Float Decimal. */ |
252b5132 RH |
1216 | strcpy (p1, "float decimal"); |
1217 | break; | |
1218 | ||
b0ac09d2 | 1219 | case btString: /* Varying Length Character String. */ |
252b5132 RH |
1220 | strcpy (p1, "string"); |
1221 | break; | |
1222 | ||
b0ac09d2 | 1223 | case btBit: /* Aligned Bit String. */ |
252b5132 RH |
1224 | strcpy (p1, "bit"); |
1225 | break; | |
1226 | ||
b0ac09d2 | 1227 | case btPicture: /* Picture. */ |
252b5132 RH |
1228 | strcpy (p1, "picture"); |
1229 | break; | |
1230 | ||
b0ac09d2 | 1231 | case btVoid: /* Void. */ |
252b5132 RH |
1232 | strcpy (p1, "void"); |
1233 | break; | |
1234 | ||
1235 | default: | |
59d08d6c | 1236 | sprintf (p1, _("unknown basic type %d"), (int) basic_type); |
252b5132 RH |
1237 | break; |
1238 | } | |
1239 | ||
7fbd5f4e | 1240 | p1 += strlen (p1); |
252b5132 | 1241 | |
b0ac09d2 | 1242 | /* If this is a bitfield, get the bitsize. */ |
252b5132 RH |
1243 | if (u.ti.fBitfield) |
1244 | { | |
1245 | int bitsize; | |
1246 | ||
1247 | bitsize = AUX_GET_WIDTH (bigendian, &aux_ptr[indx++]); | |
1248 | sprintf (p1, " : %d", bitsize); | |
252b5132 RH |
1249 | } |
1250 | ||
b0ac09d2 | 1251 | /* Deal with any qualifiers. */ |
252b5132 RH |
1252 | if (qualifiers[0].type != tqNil) |
1253 | { | |
b0ac09d2 | 1254 | /* Snarf up any array bounds in the correct order. Arrays |
07d6d2b8 AM |
1255 | store 5 successive words in the aux. table: |
1256 | word 0 RNDXR to type of the bounds (ie, int) | |
1257 | word 1 Current file descriptor index | |
1258 | word 2 low bound | |
1259 | word 3 high bound (or -1 if []) | |
1260 | word 4 stride size in bits. */ | |
252b5132 RH |
1261 | for (i = 0; i < 7; i++) |
1262 | { | |
1263 | if (qualifiers[i].type == tqArray) | |
1264 | { | |
1265 | qualifiers[i].low_bound = | |
1266 | AUX_GET_DNLOW (bigendian, &aux_ptr[indx+2]); | |
1267 | qualifiers[i].high_bound = | |
1268 | AUX_GET_DNHIGH (bigendian, &aux_ptr[indx+3]); | |
1269 | qualifiers[i].stride = | |
1270 | AUX_GET_WIDTH (bigendian, &aux_ptr[indx+4]); | |
1271 | indx += 5; | |
1272 | } | |
1273 | } | |
1274 | ||
b0ac09d2 | 1275 | /* Now print out the qualifiers. */ |
252b5132 RH |
1276 | for (i = 0; i < 6; i++) |
1277 | { | |
1278 | switch (qualifiers[i].type) | |
1279 | { | |
1280 | case tqNil: | |
1281 | case tqMax: | |
1282 | break; | |
1283 | ||
1284 | case tqPtr: | |
1285 | strcpy (p2, "ptr to "); | |
1286 | p2 += sizeof ("ptr to ")-1; | |
1287 | break; | |
1288 | ||
1289 | case tqVol: | |
1290 | strcpy (p2, "volatile "); | |
1291 | p2 += sizeof ("volatile ")-1; | |
1292 | break; | |
1293 | ||
1294 | case tqFar: | |
1295 | strcpy (p2, "far "); | |
1296 | p2 += sizeof ("far ")-1; | |
1297 | break; | |
1298 | ||
1299 | case tqProc: | |
1300 | strcpy (p2, "func. ret. "); | |
1301 | p2 += sizeof ("func. ret. "); | |
1302 | break; | |
1303 | ||
1304 | case tqArray: | |
1305 | { | |
1306 | int first_array = i; | |
1307 | int j; | |
1308 | ||
1309 | /* Print array bounds reversed (ie, in the order the C | |
1abaf976 | 1310 | programmer writes them). C is such a fun language.... */ |
252b5132 RH |
1311 | while (i < 5 && qualifiers[i+1].type == tqArray) |
1312 | i++; | |
1313 | ||
1314 | for (j = i; j >= first_array; j--) | |
1315 | { | |
1316 | strcpy (p2, "array ["); | |
1317 | p2 += sizeof ("array [")-1; | |
1318 | if (qualifiers[j].low_bound != 0) | |
1319 | sprintf (p2, | |
1320 | "%ld:%ld {%ld bits}", | |
1321 | (long) qualifiers[j].low_bound, | |
1322 | (long) qualifiers[j].high_bound, | |
1323 | (long) qualifiers[j].stride); | |
1324 | ||
1325 | else if (qualifiers[j].high_bound != -1) | |
1326 | sprintf (p2, | |
1327 | "%ld {%ld bits}", | |
1328 | (long) (qualifiers[j].high_bound + 1), | |
1329 | (long) (qualifiers[j].stride)); | |
1330 | ||
1331 | else | |
7fbd5f4e | 1332 | sprintf (p2, " {%ld bits}", (long) qualifiers[j].stride); |
252b5132 RH |
1333 | |
1334 | p2 += strlen (p2); | |
1335 | strcpy (p2, "] of "); | |
1336 | p2 += sizeof ("] of ")-1; | |
1337 | } | |
1338 | } | |
1339 | break; | |
1340 | } | |
1341 | } | |
1342 | } | |
1343 | ||
1344 | strcpy (p2, buffer1); | |
7fbd5f4e | 1345 | return buff; |
252b5132 RH |
1346 | } |
1347 | ||
1348 | /* Return information about ECOFF symbol SYMBOL in RET. */ | |
1349 | ||
252b5132 | 1350 | void |
3b5d3310 NC |
1351 | _bfd_ecoff_get_symbol_info (bfd *abfd ATTRIBUTE_UNUSED, |
1352 | asymbol *symbol, | |
1353 | symbol_info *ret) | |
252b5132 RH |
1354 | { |
1355 | bfd_symbol_info (symbol, ret); | |
1356 | } | |
1357 | ||
1358 | /* Return whether this is a local label. */ | |
1359 | ||
0a1b45a2 | 1360 | bool |
3b5d3310 NC |
1361 | _bfd_ecoff_bfd_is_local_label_name (bfd *abfd ATTRIBUTE_UNUSED, |
1362 | const char *name) | |
252b5132 RH |
1363 | { |
1364 | return name[0] == '$'; | |
1365 | } | |
1366 | ||
1367 | /* Print information about an ECOFF symbol. */ | |
1368 | ||
1369 | void | |
3b5d3310 NC |
1370 | _bfd_ecoff_print_symbol (bfd *abfd, |
1371 | void * filep, | |
1372 | asymbol *symbol, | |
1373 | bfd_print_symbol_type how) | |
252b5132 RH |
1374 | { |
1375 | const struct ecoff_debug_swap * const debug_swap | |
1376 | = &ecoff_backend (abfd)->debug_swap; | |
1377 | FILE *file = (FILE *)filep; | |
1378 | ||
1379 | switch (how) | |
1380 | { | |
1381 | case bfd_print_symbol_name: | |
1382 | fprintf (file, "%s", symbol->name); | |
1383 | break; | |
1384 | case bfd_print_symbol_more: | |
1385 | if (ecoffsymbol (symbol)->local) | |
1386 | { | |
1387 | SYMR ecoff_sym; | |
1abaf976 | 1388 | |
252b5132 RH |
1389 | (*debug_swap->swap_sym_in) (abfd, ecoffsymbol (symbol)->native, |
1390 | &ecoff_sym); | |
1391 | fprintf (file, "ecoff local "); | |
1392 | fprintf_vma (file, (bfd_vma) ecoff_sym.value); | |
1393 | fprintf (file, " %x %x", (unsigned) ecoff_sym.st, | |
1394 | (unsigned) ecoff_sym.sc); | |
1395 | } | |
1396 | else | |
1397 | { | |
1398 | EXTR ecoff_ext; | |
1399 | ||
1400 | (*debug_swap->swap_ext_in) (abfd, ecoffsymbol (symbol)->native, | |
1401 | &ecoff_ext); | |
1402 | fprintf (file, "ecoff extern "); | |
1403 | fprintf_vma (file, (bfd_vma) ecoff_ext.asym.value); | |
1404 | fprintf (file, " %x %x", (unsigned) ecoff_ext.asym.st, | |
1405 | (unsigned) ecoff_ext.asym.sc); | |
1406 | } | |
1407 | break; | |
1408 | case bfd_print_symbol_all: | |
b0ac09d2 | 1409 | /* Print out the symbols in a reasonable way. */ |
252b5132 RH |
1410 | { |
1411 | char type; | |
1412 | int pos; | |
1413 | EXTR ecoff_ext; | |
1414 | char jmptbl; | |
1415 | char cobol_main; | |
1416 | char weakext; | |
1417 | ||
1418 | if (ecoffsymbol (symbol)->local) | |
1419 | { | |
1420 | (*debug_swap->swap_sym_in) (abfd, ecoffsymbol (symbol)->native, | |
1421 | &ecoff_ext.asym); | |
1422 | type = 'l'; | |
1423 | pos = ((((char *) ecoffsymbol (symbol)->native | |
1424 | - (char *) ecoff_data (abfd)->debug_info.external_sym) | |
1425 | / debug_swap->external_sym_size) | |
1426 | + ecoff_data (abfd)->debug_info.symbolic_header.iextMax); | |
1427 | jmptbl = ' '; | |
1428 | cobol_main = ' '; | |
1429 | weakext = ' '; | |
1430 | } | |
1431 | else | |
1432 | { | |
1433 | (*debug_swap->swap_ext_in) (abfd, ecoffsymbol (symbol)->native, | |
1434 | &ecoff_ext); | |
1435 | type = 'e'; | |
1436 | pos = (((char *) ecoffsymbol (symbol)->native | |
1437 | - (char *) ecoff_data (abfd)->debug_info.external_ext) | |
1438 | / debug_swap->external_ext_size); | |
1439 | jmptbl = ecoff_ext.jmptbl ? 'j' : ' '; | |
1440 | cobol_main = ecoff_ext.cobol_main ? 'c' : ' '; | |
1441 | weakext = ecoff_ext.weakext ? 'w' : ' '; | |
1442 | } | |
1443 | ||
1444 | fprintf (file, "[%3d] %c ", | |
1445 | pos, type); | |
1446 | fprintf_vma (file, (bfd_vma) ecoff_ext.asym.value); | |
1447 | fprintf (file, " st %x sc %x indx %x %c%c%c %s", | |
1448 | (unsigned) ecoff_ext.asym.st, | |
1449 | (unsigned) ecoff_ext.asym.sc, | |
1450 | (unsigned) ecoff_ext.asym.index, | |
1451 | jmptbl, cobol_main, weakext, | |
1452 | symbol->name); | |
1453 | ||
1454 | if (ecoffsymbol (symbol)->fdr != NULL | |
1455 | && ecoff_ext.asym.index != indexNil) | |
1456 | { | |
1457 | FDR *fdr; | |
1458 | unsigned int indx; | |
1459 | int bigendian; | |
1460 | bfd_size_type sym_base; | |
1461 | union aux_ext *aux_base; | |
1462 | ||
1463 | fdr = ecoffsymbol (symbol)->fdr; | |
1464 | indx = ecoff_ext.asym.index; | |
1465 | ||
1466 | /* sym_base is used to map the fdr relative indices which | |
1467 | appear in the file to the position number which we are | |
1468 | using. */ | |
1469 | sym_base = fdr->isymBase; | |
1470 | if (ecoffsymbol (symbol)->local) | |
1471 | sym_base += | |
1472 | ecoff_data (abfd)->debug_info.symbolic_header.iextMax; | |
1473 | ||
1474 | /* aux_base is the start of the aux entries for this file; | |
1475 | asym.index is an offset from this. */ | |
1476 | aux_base = (ecoff_data (abfd)->debug_info.external_aux | |
1477 | + fdr->iauxBase); | |
1478 | ||
1479 | /* The aux entries are stored in host byte order; the | |
1480 | order is indicated by a bit in the fdr. */ | |
1481 | bigendian = fdr->fBigendian; | |
1482 | ||
b0ac09d2 | 1483 | /* This switch is basically from gcc/mips-tdump.c. */ |
252b5132 RH |
1484 | switch (ecoff_ext.asym.st) |
1485 | { | |
1486 | case stNil: | |
1487 | case stLabel: | |
1488 | break; | |
1489 | ||
1490 | case stFile: | |
1491 | case stBlock: | |
1492 | fprintf (file, _("\n End+1 symbol: %ld"), | |
1493 | (long) (indx + sym_base)); | |
1494 | break; | |
1495 | ||
1496 | case stEnd: | |
1497 | if (ecoff_ext.asym.sc == scText | |
1498 | || ecoff_ext.asym.sc == scInfo) | |
1499 | fprintf (file, _("\n First symbol: %ld"), | |
1500 | (long) (indx + sym_base)); | |
1501 | else | |
1abaf976 | 1502 | fprintf (file, _("\n First symbol: %ld"), |
252b5132 RH |
1503 | ((long) |
1504 | (AUX_GET_ISYM (bigendian, | |
1505 | &aux_base[ecoff_ext.asym.index]) | |
1506 | + sym_base))); | |
1507 | break; | |
1508 | ||
1509 | case stProc: | |
1510 | case stStaticProc: | |
1511 | if (ECOFF_IS_STAB (&ecoff_ext.asym)) | |
1512 | ; | |
1513 | else if (ecoffsymbol (symbol)->local) | |
7fbd5f4e AM |
1514 | { |
1515 | char buff[1024]; | |
1516 | /* xgettext:c-format */ | |
1517 | fprintf (file, _("\n End+1 symbol: %-7ld Type: %s"), | |
1518 | ((long) | |
1519 | (AUX_GET_ISYM (bigendian, | |
1520 | &aux_base[ecoff_ext.asym.index]) | |
1521 | + sym_base)), | |
1522 | ecoff_type_to_string (abfd, fdr, indx + 1, buff)); | |
1523 | } | |
252b5132 RH |
1524 | else |
1525 | fprintf (file, _("\n Local symbol: %ld"), | |
1526 | ((long) indx | |
1527 | + (long) sym_base | |
1528 | + (ecoff_data (abfd) | |
1529 | ->debug_info.symbolic_header.iextMax))); | |
1530 | break; | |
1531 | ||
1532 | case stStruct: | |
1533 | fprintf (file, _("\n struct; End+1 symbol: %ld"), | |
1534 | (long) (indx + sym_base)); | |
1535 | break; | |
1536 | ||
1537 | case stUnion: | |
1538 | fprintf (file, _("\n union; End+1 symbol: %ld"), | |
1539 | (long) (indx + sym_base)); | |
1540 | break; | |
1541 | ||
1542 | case stEnum: | |
1543 | fprintf (file, _("\n enum; End+1 symbol: %ld"), | |
1544 | (long) (indx + sym_base)); | |
1545 | break; | |
1546 | ||
1547 | default: | |
1548 | if (! ECOFF_IS_STAB (&ecoff_ext.asym)) | |
7fbd5f4e AM |
1549 | { |
1550 | char buff[1024]; | |
1551 | fprintf (file, _("\n Type: %s"), | |
1552 | ecoff_type_to_string (abfd, fdr, indx, buff)); | |
1553 | } | |
252b5132 RH |
1554 | break; |
1555 | } | |
1556 | } | |
1557 | } | |
1558 | break; | |
1559 | } | |
1560 | } | |
1561 | \f | |
1562 | /* Read in the relocs for a section. */ | |
1563 | ||
0a1b45a2 | 1564 | static bool |
3b5d3310 NC |
1565 | ecoff_slurp_reloc_table (bfd *abfd, |
1566 | asection *section, | |
1567 | asymbol **symbols) | |
252b5132 RH |
1568 | { |
1569 | const struct ecoff_backend_data * const backend = ecoff_backend (abfd); | |
1570 | arelent *internal_relocs; | |
1571 | bfd_size_type external_reloc_size; | |
dc810e39 | 1572 | bfd_size_type amt; |
2bb3687b | 1573 | bfd_byte *external_relocs; |
252b5132 RH |
1574 | arelent *rptr; |
1575 | unsigned int i; | |
1576 | ||
3b5d3310 | 1577 | if (section->relocation != NULL |
252b5132 RH |
1578 | || section->reloc_count == 0 |
1579 | || (section->flags & SEC_CONSTRUCTOR) != 0) | |
0a1b45a2 | 1580 | return true; |
252b5132 | 1581 | |
82e51918 | 1582 | if (! _bfd_ecoff_slurp_symbol_table (abfd)) |
0a1b45a2 | 1583 | return false; |
1abaf976 | 1584 | |
252b5132 | 1585 | external_reloc_size = backend->external_reloc_size; |
dc810e39 | 1586 | amt = external_reloc_size * section->reloc_count; |
252b5132 | 1587 | if (bfd_seek (abfd, section->rel_filepos, SEEK_SET) != 0) |
0a1b45a2 | 1588 | return false; |
7a87e9c8 | 1589 | external_relocs = _bfd_malloc_and_read (abfd, amt, amt); |
2bb3687b | 1590 | if (external_relocs == NULL) |
0a1b45a2 | 1591 | return false; |
252b5132 | 1592 | |
806470a2 AM |
1593 | amt = section->reloc_count; |
1594 | amt *= sizeof (arelent); | |
1595 | internal_relocs = (arelent *) bfd_alloc (abfd, amt); | |
1596 | if (internal_relocs == NULL) | |
1597 | { | |
7a87e9c8 | 1598 | free (external_relocs); |
0a1b45a2 | 1599 | return false; |
806470a2 AM |
1600 | } |
1601 | ||
252b5132 RH |
1602 | for (i = 0, rptr = internal_relocs; i < section->reloc_count; i++, rptr++) |
1603 | { | |
1604 | struct internal_reloc intern; | |
1605 | ||
1606 | (*backend->swap_reloc_in) (abfd, | |
1607 | external_relocs + i * external_reloc_size, | |
1608 | &intern); | |
1609 | ||
1610 | if (intern.r_extern) | |
1611 | { | |
1612 | /* r_symndx is an index into the external symbols. */ | |
1613 | BFD_ASSERT (intern.r_symndx >= 0 | |
1614 | && (intern.r_symndx | |
1615 | < (ecoff_data (abfd) | |
1616 | ->debug_info.symbolic_header.iextMax))); | |
1617 | rptr->sym_ptr_ptr = symbols + intern.r_symndx; | |
1618 | rptr->addend = 0; | |
1619 | } | |
1620 | else if (intern.r_symndx == RELOC_SECTION_NONE | |
1621 | || intern.r_symndx == RELOC_SECTION_ABS) | |
1622 | { | |
1623 | rptr->sym_ptr_ptr = bfd_abs_section_ptr->symbol_ptr_ptr; | |
1624 | rptr->addend = 0; | |
1625 | } | |
1626 | else | |
1627 | { | |
dc810e39 | 1628 | const char *sec_name; |
252b5132 RH |
1629 | asection *sec; |
1630 | ||
1631 | /* r_symndx is a section key. */ | |
1632 | switch (intern.r_symndx) | |
1633 | { | |
3b5d3310 NC |
1634 | case RELOC_SECTION_TEXT: sec_name = _TEXT; break; |
1635 | case RELOC_SECTION_RDATA: sec_name = _RDATA; break; | |
1636 | case RELOC_SECTION_DATA: sec_name = _DATA; break; | |
1637 | case RELOC_SECTION_SDATA: sec_name = _SDATA; break; | |
1638 | case RELOC_SECTION_SBSS: sec_name = _SBSS; break; | |
1639 | case RELOC_SECTION_BSS: sec_name = _BSS; break; | |
1640 | case RELOC_SECTION_INIT: sec_name = _INIT; break; | |
1641 | case RELOC_SECTION_LIT8: sec_name = _LIT8; break; | |
1642 | case RELOC_SECTION_LIT4: sec_name = _LIT4; break; | |
1643 | case RELOC_SECTION_XDATA: sec_name = _XDATA; break; | |
1644 | case RELOC_SECTION_PDATA: sec_name = _PDATA; break; | |
1645 | case RELOC_SECTION_FINI: sec_name = _FINI; break; | |
1646 | case RELOC_SECTION_LITA: sec_name = _LITA; break; | |
1647 | case RELOC_SECTION_RCONST: sec_name = _RCONST; break; | |
252b5132 RH |
1648 | default: abort (); |
1649 | } | |
1650 | ||
1651 | sec = bfd_get_section_by_name (abfd, sec_name); | |
3b5d3310 | 1652 | if (sec == NULL) |
252b5132 RH |
1653 | abort (); |
1654 | rptr->sym_ptr_ptr = sec->symbol_ptr_ptr; | |
1655 | ||
fd361982 | 1656 | rptr->addend = - bfd_section_vma (sec); |
252b5132 RH |
1657 | } |
1658 | ||
fd361982 | 1659 | rptr->address = intern.r_vaddr - bfd_section_vma (section); |
252b5132 RH |
1660 | |
1661 | /* Let the backend select the howto field and do any other | |
1662 | required processing. */ | |
1663 | (*backend->adjust_reloc_in) (abfd, &intern, rptr); | |
1664 | } | |
1665 | ||
7a87e9c8 | 1666 | free (external_relocs); |
252b5132 RH |
1667 | |
1668 | section->relocation = internal_relocs; | |
1669 | ||
0a1b45a2 | 1670 | return true; |
252b5132 RH |
1671 | } |
1672 | ||
1673 | /* Get a canonical list of relocs. */ | |
1674 | ||
1675 | long | |
3b5d3310 NC |
1676 | _bfd_ecoff_canonicalize_reloc (bfd *abfd, |
1677 | asection *section, | |
1678 | arelent **relptr, | |
1679 | asymbol **symbols) | |
252b5132 RH |
1680 | { |
1681 | unsigned int count; | |
1682 | ||
1abaf976 | 1683 | if (section->flags & SEC_CONSTRUCTOR) |
252b5132 RH |
1684 | { |
1685 | arelent_chain *chain; | |
1686 | ||
1687 | /* This section has relocs made up by us, not the file, so take | |
1688 | them out of their chain and place them into the data area | |
1689 | provided. */ | |
1690 | for (count = 0, chain = section->constructor_chain; | |
1691 | count < section->reloc_count; | |
1692 | count++, chain = chain->next) | |
1693 | *relptr++ = &chain->relent; | |
1694 | } | |
1695 | else | |
1abaf976 | 1696 | { |
252b5132 RH |
1697 | arelent *tblptr; |
1698 | ||
82e51918 | 1699 | if (! ecoff_slurp_reloc_table (abfd, section, symbols)) |
252b5132 RH |
1700 | return -1; |
1701 | ||
1702 | tblptr = section->relocation; | |
1703 | ||
1704 | for (count = 0; count < section->reloc_count; count++) | |
1705 | *relptr++ = tblptr++; | |
1706 | } | |
1707 | ||
3b5d3310 | 1708 | *relptr = NULL; |
252b5132 RH |
1709 | |
1710 | return section->reloc_count; | |
1711 | } | |
1712 | \f | |
1713 | /* Provided a BFD, a section and an offset into the section, calculate | |
1714 | and return the name of the source file and the line nearest to the | |
1715 | wanted location. */ | |
1716 | ||
0a1b45a2 | 1717 | bool |
3b5d3310 | 1718 | _bfd_ecoff_find_nearest_line (bfd *abfd, |
fb167eb2 | 1719 | asymbol **symbols ATTRIBUTE_UNUSED, |
3b5d3310 | 1720 | asection *section, |
3b5d3310 NC |
1721 | bfd_vma offset, |
1722 | const char **filename_ptr, | |
1723 | const char **functionname_ptr, | |
fb167eb2 AM |
1724 | unsigned int *retline_ptr, |
1725 | unsigned int *discriminator_ptr) | |
252b5132 RH |
1726 | { |
1727 | const struct ecoff_debug_swap * const debug_swap | |
1728 | = &ecoff_backend (abfd)->debug_swap; | |
1729 | struct ecoff_debug_info * const debug_info = &ecoff_data (abfd)->debug_info; | |
1730 | struct ecoff_find_line *line_info; | |
1731 | ||
1732 | /* Make sure we have the FDR's. */ | |
3b5d3310 | 1733 | if (! _bfd_ecoff_slurp_symbolic_info (abfd, NULL, debug_info) |
252b5132 | 1734 | || bfd_get_symcount (abfd) == 0) |
0a1b45a2 | 1735 | return false; |
252b5132 RH |
1736 | |
1737 | if (ecoff_data (abfd)->find_line_info == NULL) | |
1738 | { | |
986f0783 | 1739 | size_t amt = sizeof (struct ecoff_find_line); |
3b5d3310 | 1740 | |
21d799b5 | 1741 | ecoff_data (abfd)->find_line_info = |
07d6d2b8 | 1742 | (struct ecoff_find_line *) bfd_zalloc (abfd, amt); |
252b5132 | 1743 | if (ecoff_data (abfd)->find_line_info == NULL) |
0a1b45a2 | 1744 | return false; |
252b5132 | 1745 | } |
252b5132 | 1746 | |
fb167eb2 AM |
1747 | if (discriminator_ptr) |
1748 | *discriminator_ptr = 0; | |
1749 | line_info = ecoff_data (abfd)->find_line_info; | |
252b5132 RH |
1750 | return _bfd_ecoff_locate_line (abfd, section, offset, debug_info, |
1751 | debug_swap, line_info, filename_ptr, | |
1752 | functionname_ptr, retline_ptr); | |
1753 | } | |
1754 | \f | |
1755 | /* Copy private BFD data. This is called by objcopy and strip. We | |
1756 | use it to copy the ECOFF debugging information from one BFD to the | |
1757 | other. It would be theoretically possible to represent the ECOFF | |
1758 | debugging information in the symbol table. However, it would be a | |
1759 | lot of work, and there would be little gain (gas, gdb, and ld | |
1760 | already access the ECOFF debugging information via the | |
1761 | ecoff_debug_info structure, and that structure would have to be | |
1762 | retained in order to support ECOFF debugging in MIPS ELF). | |
1763 | ||
1764 | The debugging information for the ECOFF external symbols comes from | |
1765 | the symbol table, so this function only handles the other debugging | |
1766 | information. */ | |
1767 | ||
0a1b45a2 | 1768 | bool |
3b5d3310 | 1769 | _bfd_ecoff_bfd_copy_private_bfd_data (bfd *ibfd, bfd *obfd) |
252b5132 RH |
1770 | { |
1771 | struct ecoff_debug_info *iinfo = &ecoff_data (ibfd)->debug_info; | |
1772 | struct ecoff_debug_info *oinfo = &ecoff_data (obfd)->debug_info; | |
3b5d3310 | 1773 | int i; |
252b5132 RH |
1774 | asymbol **sym_ptr_ptr; |
1775 | size_t c; | |
0a1b45a2 | 1776 | bool local; |
252b5132 RH |
1777 | |
1778 | /* We only want to copy information over if both BFD's use ECOFF | |
1779 | format. */ | |
1780 | if (bfd_get_flavour (ibfd) != bfd_target_ecoff_flavour | |
1781 | || bfd_get_flavour (obfd) != bfd_target_ecoff_flavour) | |
0a1b45a2 | 1782 | return true; |
252b5132 RH |
1783 | |
1784 | /* Copy the GP value and the register masks. */ | |
1785 | ecoff_data (obfd)->gp = ecoff_data (ibfd)->gp; | |
1786 | ecoff_data (obfd)->gprmask = ecoff_data (ibfd)->gprmask; | |
1787 | ecoff_data (obfd)->fprmask = ecoff_data (ibfd)->fprmask; | |
1788 | for (i = 0; i < 3; i++) | |
1789 | ecoff_data (obfd)->cprmask[i] = ecoff_data (ibfd)->cprmask[i]; | |
1790 | ||
1791 | /* Copy the version stamp. */ | |
1792 | oinfo->symbolic_header.vstamp = iinfo->symbolic_header.vstamp; | |
1793 | ||
1794 | /* If there are no symbols, don't copy any debugging information. */ | |
1795 | c = bfd_get_symcount (obfd); | |
1796 | sym_ptr_ptr = bfd_get_outsymbols (obfd); | |
3b5d3310 | 1797 | if (c == 0 || sym_ptr_ptr == NULL) |
0a1b45a2 | 1798 | return true; |
252b5132 RH |
1799 | |
1800 | /* See if there are any local symbols. */ | |
0a1b45a2 | 1801 | local = false; |
252b5132 RH |
1802 | for (; c > 0; c--, sym_ptr_ptr++) |
1803 | { | |
1804 | if (ecoffsymbol (*sym_ptr_ptr)->local) | |
1805 | { | |
0a1b45a2 | 1806 | local = true; |
252b5132 RH |
1807 | break; |
1808 | } | |
1809 | } | |
1810 | ||
1811 | if (local) | |
1812 | { | |
1813 | /* There are some local symbols. We just bring over all the | |
1814 | debugging information. FIXME: This is not quite the right | |
1815 | thing to do. If the user has asked us to discard all | |
1816 | debugging information, then we are probably going to wind up | |
1817 | keeping it because there will probably be some local symbol | |
1818 | which objcopy did not discard. We should actually break | |
1819 | apart the debugging information and only keep that which | |
1820 | applies to the symbols we want to keep. */ | |
1821 | oinfo->symbolic_header.ilineMax = iinfo->symbolic_header.ilineMax; | |
1822 | oinfo->symbolic_header.cbLine = iinfo->symbolic_header.cbLine; | |
1823 | oinfo->line = iinfo->line; | |
1824 | ||
1825 | oinfo->symbolic_header.idnMax = iinfo->symbolic_header.idnMax; | |
1826 | oinfo->external_dnr = iinfo->external_dnr; | |
1827 | ||
1828 | oinfo->symbolic_header.ipdMax = iinfo->symbolic_header.ipdMax; | |
1829 | oinfo->external_pdr = iinfo->external_pdr; | |
1830 | ||
1831 | oinfo->symbolic_header.isymMax = iinfo->symbolic_header.isymMax; | |
1832 | oinfo->external_sym = iinfo->external_sym; | |
1833 | ||
1834 | oinfo->symbolic_header.ioptMax = iinfo->symbolic_header.ioptMax; | |
1835 | oinfo->external_opt = iinfo->external_opt; | |
1836 | ||
1837 | oinfo->symbolic_header.iauxMax = iinfo->symbolic_header.iauxMax; | |
1838 | oinfo->external_aux = iinfo->external_aux; | |
1839 | ||
1840 | oinfo->symbolic_header.issMax = iinfo->symbolic_header.issMax; | |
1841 | oinfo->ss = iinfo->ss; | |
1842 | ||
1843 | oinfo->symbolic_header.ifdMax = iinfo->symbolic_header.ifdMax; | |
1844 | oinfo->external_fdr = iinfo->external_fdr; | |
1845 | ||
1846 | oinfo->symbolic_header.crfd = iinfo->symbolic_header.crfd; | |
1847 | oinfo->external_rfd = iinfo->external_rfd; | |
1848 | } | |
1849 | else | |
1850 | { | |
1851 | /* We are discarding all the local symbol information. Look | |
1852 | through the external symbols and remove all references to FDR | |
1853 | or aux information. */ | |
1854 | c = bfd_get_symcount (obfd); | |
1855 | sym_ptr_ptr = bfd_get_outsymbols (obfd); | |
1856 | for (; c > 0; c--, sym_ptr_ptr++) | |
1857 | { | |
1858 | EXTR esym; | |
1859 | ||
1860 | (*(ecoff_backend (obfd)->debug_swap.swap_ext_in)) | |
1861 | (obfd, ecoffsymbol (*sym_ptr_ptr)->native, &esym); | |
1862 | esym.ifd = ifdNil; | |
1863 | esym.asym.index = indexNil; | |
1864 | (*(ecoff_backend (obfd)->debug_swap.swap_ext_out)) | |
1865 | (obfd, &esym, ecoffsymbol (*sym_ptr_ptr)->native); | |
1866 | } | |
1867 | } | |
1868 | ||
0a1b45a2 | 1869 | return true; |
252b5132 RH |
1870 | } |
1871 | \f | |
1872 | /* Set the architecture. The supported architecture is stored in the | |
1873 | backend pointer. We always set the architecture anyhow, since many | |
1874 | callers ignore the return value. */ | |
1875 | ||
0a1b45a2 | 1876 | bool |
3b5d3310 NC |
1877 | _bfd_ecoff_set_arch_mach (bfd *abfd, |
1878 | enum bfd_architecture arch, | |
1879 | unsigned long machine) | |
252b5132 RH |
1880 | { |
1881 | bfd_default_set_arch_mach (abfd, arch, machine); | |
1882 | return arch == ecoff_backend (abfd)->arch; | |
1883 | } | |
1884 | ||
1885 | /* Get the size of the section headers. */ | |
1886 | ||
252b5132 | 1887 | int |
a6b96beb AM |
1888 | _bfd_ecoff_sizeof_headers (bfd *abfd, |
1889 | struct bfd_link_info *info ATTRIBUTE_UNUSED) | |
252b5132 RH |
1890 | { |
1891 | asection *current; | |
1892 | int c; | |
1893 | int ret; | |
1894 | ||
1895 | c = 0; | |
1896 | for (current = abfd->sections; | |
3b5d3310 | 1897 | current != NULL; |
1abaf976 | 1898 | current = current->next) |
252b5132 RH |
1899 | ++c; |
1900 | ||
1901 | ret = (bfd_coff_filhsz (abfd) | |
1902 | + bfd_coff_aoutsz (abfd) | |
1903 | + c * bfd_coff_scnhsz (abfd)); | |
544008aa | 1904 | return (int) BFD_ALIGN (ret, 16); |
252b5132 RH |
1905 | } |
1906 | ||
1907 | /* Get the contents of a section. */ | |
1908 | ||
0a1b45a2 | 1909 | bool |
3b5d3310 NC |
1910 | _bfd_ecoff_get_section_contents (bfd *abfd, |
1911 | asection *section, | |
1912 | void * location, | |
1913 | file_ptr offset, | |
1914 | bfd_size_type count) | |
252b5132 RH |
1915 | { |
1916 | return _bfd_generic_get_section_contents (abfd, section, location, | |
1917 | offset, count); | |
1918 | } | |
1919 | ||
1920 | /* Sort sections by VMA, but put SEC_ALLOC sections first. This is | |
1921 | called via qsort. */ | |
1922 | ||
1923 | static int | |
3b5d3310 | 1924 | ecoff_sort_hdrs (const void * arg1, const void * arg2) |
252b5132 RH |
1925 | { |
1926 | const asection *hdr1 = *(const asection **) arg1; | |
1927 | const asection *hdr2 = *(const asection **) arg2; | |
1928 | ||
1929 | if ((hdr1->flags & SEC_ALLOC) != 0) | |
1930 | { | |
1931 | if ((hdr2->flags & SEC_ALLOC) == 0) | |
1932 | return -1; | |
1933 | } | |
1934 | else | |
1935 | { | |
1936 | if ((hdr2->flags & SEC_ALLOC) != 0) | |
1937 | return 1; | |
1938 | } | |
1939 | if (hdr1->vma < hdr2->vma) | |
1940 | return -1; | |
1941 | else if (hdr1->vma > hdr2->vma) | |
1942 | return 1; | |
1943 | else | |
1944 | return 0; | |
1945 | } | |
1946 | ||
1947 | /* Calculate the file position for each section, and set | |
1948 | reloc_filepos. */ | |
1949 | ||
0a1b45a2 | 1950 | static bool |
3b5d3310 | 1951 | ecoff_compute_section_file_positions (bfd *abfd) |
252b5132 RH |
1952 | { |
1953 | file_ptr sofar, file_sofar; | |
1954 | asection **sorted_hdrs; | |
1955 | asection *current; | |
1956 | unsigned int i; | |
1957 | file_ptr old_sofar; | |
0a1b45a2 AM |
1958 | bool rdata_in_text; |
1959 | bool first_data, first_nonalloc; | |
252b5132 | 1960 | const bfd_vma round = ecoff_backend (abfd)->round; |
dc810e39 | 1961 | bfd_size_type amt; |
252b5132 | 1962 | |
a6b96beb | 1963 | sofar = _bfd_ecoff_sizeof_headers (abfd, NULL); |
252b5132 RH |
1964 | file_sofar = sofar; |
1965 | ||
1966 | /* Sort the sections by VMA. */ | |
dc810e39 AM |
1967 | amt = abfd->section_count; |
1968 | amt *= sizeof (asection *); | |
21d799b5 | 1969 | sorted_hdrs = (asection **) bfd_malloc (amt); |
252b5132 | 1970 | if (sorted_hdrs == NULL) |
0a1b45a2 | 1971 | return false; |
252b5132 RH |
1972 | for (current = abfd->sections, i = 0; |
1973 | current != NULL; | |
1974 | current = current->next, i++) | |
1975 | sorted_hdrs[i] = current; | |
1976 | BFD_ASSERT (i == abfd->section_count); | |
1977 | ||
1978 | qsort (sorted_hdrs, abfd->section_count, sizeof (asection *), | |
1979 | ecoff_sort_hdrs); | |
1980 | ||
1981 | /* Some versions of the OSF linker put the .rdata section in the | |
1982 | text segment, and some do not. */ | |
1983 | rdata_in_text = ecoff_backend (abfd)->rdata_in_text; | |
1984 | if (rdata_in_text) | |
1985 | { | |
1986 | for (i = 0; i < abfd->section_count; i++) | |
1987 | { | |
1988 | current = sorted_hdrs[i]; | |
3b5d3310 | 1989 | if (streq (current->name, _RDATA)) |
252b5132 RH |
1990 | break; |
1991 | if ((current->flags & SEC_CODE) == 0 | |
3b5d3310 NC |
1992 | && ! streq (current->name, _PDATA) |
1993 | && ! streq (current->name, _RCONST)) | |
252b5132 | 1994 | { |
0a1b45a2 | 1995 | rdata_in_text = false; |
252b5132 RH |
1996 | break; |
1997 | } | |
1998 | } | |
1999 | } | |
2000 | ecoff_data (abfd)->rdata_in_text = rdata_in_text; | |
2001 | ||
0a1b45a2 AM |
2002 | first_data = true; |
2003 | first_nonalloc = true; | |
252b5132 RH |
2004 | for (i = 0; i < abfd->section_count; i++) |
2005 | { | |
2006 | unsigned int alignment_power; | |
2007 | ||
2008 | current = sorted_hdrs[i]; | |
2009 | ||
2010 | /* For the Alpha ECOFF .pdata section the lnnoptr field is | |
2011 | supposed to indicate the number of .pdata entries that are | |
2012 | really in the section. Each entry is 8 bytes. We store this | |
2013 | away in line_filepos before increasing the section size. */ | |
3b5d3310 | 2014 | if (streq (current->name, _PDATA)) |
eea6121a | 2015 | current->line_filepos = current->size / 8; |
252b5132 RH |
2016 | |
2017 | alignment_power = current->alignment_power; | |
2018 | ||
2019 | /* On Ultrix, the data sections in an executable file must be | |
2020 | aligned to a page boundary within the file. This does not | |
2021 | affect the section size, though. FIXME: Does this work for | |
2022 | other platforms? It requires some modification for the | |
2023 | Alpha, because .rdata on the Alpha goes with the text, not | |
2024 | the data. */ | |
2025 | if ((abfd->flags & EXEC_P) != 0 | |
2026 | && (abfd->flags & D_PAGED) != 0 | |
2027 | && ! first_data | |
2028 | && (current->flags & SEC_CODE) == 0 | |
2029 | && (! rdata_in_text | |
3b5d3310 NC |
2030 | || ! streq (current->name, _RDATA)) |
2031 | && ! streq (current->name, _PDATA) | |
2032 | && ! streq (current->name, _RCONST)) | |
252b5132 RH |
2033 | { |
2034 | sofar = (sofar + round - 1) &~ (round - 1); | |
2035 | file_sofar = (file_sofar + round - 1) &~ (round - 1); | |
0a1b45a2 | 2036 | first_data = false; |
252b5132 | 2037 | } |
3b5d3310 | 2038 | else if (streq (current->name, _LIB)) |
252b5132 RH |
2039 | { |
2040 | /* On Irix 4, the location of contents of the .lib section | |
2041 | from a shared library section is also rounded up to a | |
2042 | page boundary. */ | |
2043 | ||
2044 | sofar = (sofar + round - 1) &~ (round - 1); | |
2045 | file_sofar = (file_sofar + round - 1) &~ (round - 1); | |
2046 | } | |
2047 | else if (first_nonalloc | |
2048 | && (current->flags & SEC_ALLOC) == 0 | |
2049 | && (abfd->flags & D_PAGED) != 0) | |
2050 | { | |
2051 | /* Skip up to the next page for an unallocated section, such | |
07d6d2b8 AM |
2052 | as the .comment section on the Alpha. This leaves room |
2053 | for the .bss section. */ | |
0a1b45a2 | 2054 | first_nonalloc = false; |
252b5132 RH |
2055 | sofar = (sofar + round - 1) &~ (round - 1); |
2056 | file_sofar = (file_sofar + round - 1) &~ (round - 1); | |
2057 | } | |
2058 | ||
2059 | /* Align the sections in the file to the same boundary on | |
2060 | which they are aligned in virtual memory. */ | |
2061 | sofar = BFD_ALIGN (sofar, 1 << alignment_power); | |
2062 | if ((current->flags & SEC_HAS_CONTENTS) != 0) | |
2063 | file_sofar = BFD_ALIGN (file_sofar, 1 << alignment_power); | |
2064 | ||
2065 | if ((abfd->flags & D_PAGED) != 0 | |
2066 | && (current->flags & SEC_ALLOC) != 0) | |
2067 | { | |
2068 | sofar += (current->vma - sofar) % round; | |
2069 | if ((current->flags & SEC_HAS_CONTENTS) != 0) | |
2070 | file_sofar += (current->vma - file_sofar) % round; | |
2071 | } | |
2072 | ||
2073 | if ((current->flags & (SEC_HAS_CONTENTS | SEC_LOAD)) != 0) | |
2074 | current->filepos = file_sofar; | |
2075 | ||
eea6121a | 2076 | sofar += current->size; |
252b5132 | 2077 | if ((current->flags & SEC_HAS_CONTENTS) != 0) |
eea6121a | 2078 | file_sofar += current->size; |
252b5132 | 2079 | |
b0ac09d2 | 2080 | /* Make sure that this section is of the right size too. */ |
252b5132 RH |
2081 | old_sofar = sofar; |
2082 | sofar = BFD_ALIGN (sofar, 1 << alignment_power); | |
2083 | if ((current->flags & SEC_HAS_CONTENTS) != 0) | |
2084 | file_sofar = BFD_ALIGN (file_sofar, 1 << alignment_power); | |
eea6121a | 2085 | current->size += sofar - old_sofar; |
252b5132 RH |
2086 | } |
2087 | ||
2088 | free (sorted_hdrs); | |
2089 | sorted_hdrs = NULL; | |
2090 | ||
2091 | ecoff_data (abfd)->reloc_filepos = file_sofar; | |
2092 | ||
0a1b45a2 | 2093 | return true; |
252b5132 RH |
2094 | } |
2095 | ||
2096 | /* Determine the location of the relocs for all the sections in the | |
2097 | output file, as well as the location of the symbolic debugging | |
2098 | information. */ | |
2099 | ||
2100 | static bfd_size_type | |
3b5d3310 | 2101 | ecoff_compute_reloc_file_positions (bfd *abfd) |
252b5132 RH |
2102 | { |
2103 | const bfd_size_type external_reloc_size = | |
2104 | ecoff_backend (abfd)->external_reloc_size; | |
2105 | file_ptr reloc_base; | |
2106 | bfd_size_type reloc_size; | |
2107 | asection *current; | |
2108 | file_ptr sym_base; | |
2109 | ||
2110 | if (! abfd->output_has_begun) | |
2111 | { | |
2112 | if (! ecoff_compute_section_file_positions (abfd)) | |
2113 | abort (); | |
0a1b45a2 | 2114 | abfd->output_has_begun = true; |
252b5132 | 2115 | } |
1abaf976 | 2116 | |
252b5132 RH |
2117 | reloc_base = ecoff_data (abfd)->reloc_filepos; |
2118 | ||
2119 | reloc_size = 0; | |
2120 | for (current = abfd->sections; | |
3b5d3310 | 2121 | current != NULL; |
1abaf976 | 2122 | current = current->next) |
252b5132 RH |
2123 | { |
2124 | if (current->reloc_count == 0) | |
2125 | current->rel_filepos = 0; | |
2126 | else | |
2127 | { | |
2128 | bfd_size_type relsize; | |
2129 | ||
2130 | current->rel_filepos = reloc_base; | |
2131 | relsize = current->reloc_count * external_reloc_size; | |
2132 | reloc_size += relsize; | |
2133 | reloc_base += relsize; | |
2134 | } | |
2135 | } | |
2136 | ||
2137 | sym_base = ecoff_data (abfd)->reloc_filepos + reloc_size; | |
2138 | ||
2139 | /* At least on Ultrix, the symbol table of an executable file must | |
2140 | be aligned to a page boundary. FIXME: Is this true on other | |
2141 | platforms? */ | |
2142 | if ((abfd->flags & EXEC_P) != 0 | |
2143 | && (abfd->flags & D_PAGED) != 0) | |
2144 | sym_base = ((sym_base + ecoff_backend (abfd)->round - 1) | |
2145 | &~ (ecoff_backend (abfd)->round - 1)); | |
2146 | ||
2147 | ecoff_data (abfd)->sym_filepos = sym_base; | |
2148 | ||
2149 | return reloc_size; | |
2150 | } | |
2151 | ||
2152 | /* Set the contents of a section. */ | |
2153 | ||
0a1b45a2 | 2154 | bool |
3b5d3310 NC |
2155 | _bfd_ecoff_set_section_contents (bfd *abfd, |
2156 | asection *section, | |
2157 | const void * location, | |
2158 | file_ptr offset, | |
2159 | bfd_size_type count) | |
252b5132 | 2160 | { |
dc810e39 AM |
2161 | file_ptr pos; |
2162 | ||
252b5132 | 2163 | /* This must be done first, because bfd_set_section_contents is |
b34976b6 | 2164 | going to set output_has_begun to TRUE. */ |
3b5d3310 NC |
2165 | if (! abfd->output_has_begun |
2166 | && ! ecoff_compute_section_file_positions (abfd)) | |
0a1b45a2 | 2167 | return false; |
252b5132 RH |
2168 | |
2169 | /* Handle the .lib section specially so that Irix 4 shared libraries | |
2170 | work out. See coff_set_section_contents in coffcode.h. */ | |
3b5d3310 | 2171 | if (streq (section->name, _LIB)) |
252b5132 RH |
2172 | { |
2173 | bfd_byte *rec, *recend; | |
2174 | ||
2175 | rec = (bfd_byte *) location; | |
2176 | recend = rec + count; | |
2177 | while (rec < recend) | |
2178 | { | |
2179 | ++section->lma; | |
2180 | rec += bfd_get_32 (abfd, rec) * 4; | |
2181 | } | |
2182 | ||
2183 | BFD_ASSERT (rec == recend); | |
2184 | } | |
2185 | ||
2186 | if (count == 0) | |
0a1b45a2 | 2187 | return true; |
252b5132 | 2188 | |
dc810e39 AM |
2189 | pos = section->filepos + offset; |
2190 | if (bfd_seek (abfd, pos, SEEK_SET) != 0 | |
2191 | || bfd_bwrite (location, count, abfd) != count) | |
0a1b45a2 | 2192 | return false; |
252b5132 | 2193 | |
0a1b45a2 | 2194 | return true; |
252b5132 RH |
2195 | } |
2196 | ||
252b5132 RH |
2197 | /* Set the GP value for an ECOFF file. This is a hook used by the |
2198 | assembler. */ | |
2199 | ||
0a1b45a2 | 2200 | bool |
3b5d3310 | 2201 | bfd_ecoff_set_gp_value (bfd *abfd, bfd_vma gp_value) |
252b5132 RH |
2202 | { |
2203 | if (bfd_get_flavour (abfd) != bfd_target_ecoff_flavour | |
2204 | || bfd_get_format (abfd) != bfd_object) | |
2205 | { | |
2206 | bfd_set_error (bfd_error_invalid_operation); | |
0a1b45a2 | 2207 | return false; |
252b5132 RH |
2208 | } |
2209 | ||
2210 | ecoff_data (abfd)->gp = gp_value; | |
2211 | ||
0a1b45a2 | 2212 | return true; |
252b5132 RH |
2213 | } |
2214 | ||
2215 | /* Set the register masks for an ECOFF file. This is a hook used by | |
2216 | the assembler. */ | |
2217 | ||
0a1b45a2 | 2218 | bool |
3b5d3310 NC |
2219 | bfd_ecoff_set_regmasks (bfd *abfd, |
2220 | unsigned long gprmask, | |
2221 | unsigned long fprmask, | |
2222 | unsigned long *cprmask) | |
252b5132 RH |
2223 | { |
2224 | ecoff_data_type *tdata; | |
2225 | ||
2226 | if (bfd_get_flavour (abfd) != bfd_target_ecoff_flavour | |
2227 | || bfd_get_format (abfd) != bfd_object) | |
2228 | { | |
2229 | bfd_set_error (bfd_error_invalid_operation); | |
0a1b45a2 | 2230 | return false; |
252b5132 RH |
2231 | } |
2232 | ||
2233 | tdata = ecoff_data (abfd); | |
2234 | tdata->gprmask = gprmask; | |
2235 | tdata->fprmask = fprmask; | |
3b5d3310 | 2236 | if (cprmask != NULL) |
252b5132 | 2237 | { |
b0ac09d2 | 2238 | int i; |
252b5132 RH |
2239 | |
2240 | for (i = 0; i < 3; i++) | |
2241 | tdata->cprmask[i] = cprmask[i]; | |
2242 | } | |
2243 | ||
0a1b45a2 | 2244 | return true; |
252b5132 RH |
2245 | } |
2246 | ||
2247 | /* Get ECOFF EXTR information for an external symbol. This function | |
2248 | is passed to bfd_ecoff_debug_externals. */ | |
2249 | ||
0a1b45a2 | 2250 | static bool |
3b5d3310 | 2251 | ecoff_get_extr (asymbol *sym, EXTR *esym) |
252b5132 RH |
2252 | { |
2253 | ecoff_symbol_type *ecoff_sym_ptr; | |
2254 | bfd *input_bfd; | |
2255 | ||
2256 | if (bfd_asymbol_flavour (sym) != bfd_target_ecoff_flavour | |
2257 | || ecoffsymbol (sym)->native == NULL) | |
2258 | { | |
2259 | /* Don't include debugging, local, or section symbols. */ | |
2260 | if ((sym->flags & BSF_DEBUGGING) != 0 | |
2261 | || (sym->flags & BSF_LOCAL) != 0 | |
2262 | || (sym->flags & BSF_SECTION_SYM) != 0) | |
0a1b45a2 | 2263 | return false; |
252b5132 RH |
2264 | |
2265 | esym->jmptbl = 0; | |
2266 | esym->cobol_main = 0; | |
2267 | esym->weakext = (sym->flags & BSF_WEAK) != 0; | |
2268 | esym->reserved = 0; | |
2269 | esym->ifd = ifdNil; | |
2270 | /* FIXME: we can do better than this for st and sc. */ | |
2271 | esym->asym.st = stGlobal; | |
2272 | esym->asym.sc = scAbs; | |
2273 | esym->asym.reserved = 0; | |
2274 | esym->asym.index = indexNil; | |
0a1b45a2 | 2275 | return true; |
252b5132 RH |
2276 | } |
2277 | ||
2278 | ecoff_sym_ptr = ecoffsymbol (sym); | |
2279 | ||
2280 | if (ecoff_sym_ptr->local) | |
0a1b45a2 | 2281 | return false; |
252b5132 RH |
2282 | |
2283 | input_bfd = bfd_asymbol_bfd (sym); | |
2284 | (*(ecoff_backend (input_bfd)->debug_swap.swap_ext_in)) | |
2285 | (input_bfd, ecoff_sym_ptr->native, esym); | |
2286 | ||
2287 | /* If the symbol was defined by the linker, then esym will be | |
2288 | undefined but sym will not be. Get a better class for such a | |
2289 | symbol. */ | |
2290 | if ((esym->asym.sc == scUndefined | |
2291 | || esym->asym.sc == scSUndefined) | |
e6f7f6d1 | 2292 | && ! bfd_is_und_section (bfd_asymbol_section (sym))) |
252b5132 RH |
2293 | esym->asym.sc = scAbs; |
2294 | ||
2295 | /* Adjust the FDR index for the symbol by that used for the input | |
2296 | BFD. */ | |
2297 | if (esym->ifd != -1) | |
2298 | { | |
2299 | struct ecoff_debug_info *input_debug; | |
2300 | ||
2301 | input_debug = &ecoff_data (input_bfd)->debug_info; | |
2302 | BFD_ASSERT (esym->ifd < input_debug->symbolic_header.ifdMax); | |
3b5d3310 | 2303 | if (input_debug->ifdmap != NULL) |
252b5132 RH |
2304 | esym->ifd = input_debug->ifdmap[esym->ifd]; |
2305 | } | |
2306 | ||
0a1b45a2 | 2307 | return true; |
252b5132 RH |
2308 | } |
2309 | ||
2310 | /* Set the external symbol index. This routine is passed to | |
2311 | bfd_ecoff_debug_externals. */ | |
2312 | ||
2313 | static void | |
3b5d3310 | 2314 | ecoff_set_index (asymbol *sym, bfd_size_type indx) |
252b5132 RH |
2315 | { |
2316 | ecoff_set_sym_index (sym, indx); | |
2317 | } | |
2318 | ||
2319 | /* Write out an ECOFF file. */ | |
2320 | ||
0a1b45a2 | 2321 | bool |
3b5d3310 | 2322 | _bfd_ecoff_write_object_contents (bfd *abfd) |
252b5132 RH |
2323 | { |
2324 | const struct ecoff_backend_data * const backend = ecoff_backend (abfd); | |
2325 | const bfd_vma round = backend->round; | |
2326 | const bfd_size_type filhsz = bfd_coff_filhsz (abfd); | |
2327 | const bfd_size_type aoutsz = bfd_coff_aoutsz (abfd); | |
2328 | const bfd_size_type scnhsz = bfd_coff_scnhsz (abfd); | |
2329 | const bfd_size_type external_hdr_size | |
2330 | = backend->debug_swap.external_hdr_size; | |
2331 | const bfd_size_type external_reloc_size = backend->external_reloc_size; | |
3b5d3310 | 2332 | void (* const adjust_reloc_out) (bfd *, const arelent *, struct internal_reloc *) |
252b5132 | 2333 | = backend->adjust_reloc_out; |
3b5d3310 | 2334 | void (* const swap_reloc_out) (bfd *, const struct internal_reloc *, void *) |
252b5132 RH |
2335 | = backend->swap_reloc_out; |
2336 | struct ecoff_debug_info * const debug = &ecoff_data (abfd)->debug_info; | |
2337 | HDRR * const symhdr = &debug->symbolic_header; | |
2338 | asection *current; | |
2339 | unsigned int count; | |
2340 | bfd_size_type reloc_size; | |
2341 | bfd_size_type text_size; | |
2342 | bfd_vma text_start; | |
0a1b45a2 | 2343 | bool set_text_start; |
252b5132 RH |
2344 | bfd_size_type data_size; |
2345 | bfd_vma data_start; | |
0a1b45a2 | 2346 | bool set_data_start; |
252b5132 | 2347 | bfd_size_type bss_size; |
3b5d3310 NC |
2348 | void * buff = NULL; |
2349 | void * reloc_buff = NULL; | |
252b5132 RH |
2350 | struct internal_filehdr internal_f; |
2351 | struct internal_aouthdr internal_a; | |
2352 | int i; | |
2353 | ||
2354 | /* Determine where the sections and relocs will go in the output | |
2355 | file. */ | |
2356 | reloc_size = ecoff_compute_reloc_file_positions (abfd); | |
2357 | ||
2358 | count = 1; | |
2359 | for (current = abfd->sections; | |
3b5d3310 | 2360 | current != NULL; |
1abaf976 | 2361 | current = current->next) |
252b5132 RH |
2362 | { |
2363 | current->target_index = count; | |
2364 | ++count; | |
2365 | } | |
2366 | ||
2367 | if ((abfd->flags & D_PAGED) != 0) | |
a6b96beb | 2368 | text_size = _bfd_ecoff_sizeof_headers (abfd, NULL); |
252b5132 RH |
2369 | else |
2370 | text_size = 0; | |
2371 | text_start = 0; | |
0a1b45a2 | 2372 | set_text_start = false; |
252b5132 RH |
2373 | data_size = 0; |
2374 | data_start = 0; | |
0a1b45a2 | 2375 | set_data_start = false; |
252b5132 RH |
2376 | bss_size = 0; |
2377 | ||
2378 | /* Write section headers to the file. */ | |
2379 | ||
2380 | /* Allocate buff big enough to hold a section header, | |
2381 | file header, or a.out header. */ | |
2382 | { | |
2383 | bfd_size_type siz; | |
3b5d3310 | 2384 | |
252b5132 RH |
2385 | siz = scnhsz; |
2386 | if (siz < filhsz) | |
2387 | siz = filhsz; | |
2388 | if (siz < aoutsz) | |
2389 | siz = aoutsz; | |
3b5d3310 | 2390 | buff = bfd_malloc (siz); |
252b5132 RH |
2391 | if (buff == NULL) |
2392 | goto error_return; | |
2393 | } | |
2394 | ||
2395 | internal_f.f_nscns = 0; | |
2396 | if (bfd_seek (abfd, (file_ptr) (filhsz + aoutsz), SEEK_SET) != 0) | |
2397 | goto error_return; | |
3b5d3310 | 2398 | |
252b5132 | 2399 | for (current = abfd->sections; |
3b5d3310 | 2400 | current != NULL; |
252b5132 RH |
2401 | current = current->next) |
2402 | { | |
2403 | struct internal_scnhdr section; | |
2404 | bfd_vma vma; | |
2405 | ||
2406 | ++internal_f.f_nscns; | |
2407 | ||
2408 | strncpy (section.s_name, current->name, sizeof section.s_name); | |
2409 | ||
2410 | /* This seems to be correct for Irix 4 shared libraries. */ | |
fd361982 | 2411 | vma = bfd_section_vma (current); |
3b5d3310 | 2412 | if (streq (current->name, _LIB)) |
252b5132 RH |
2413 | section.s_vaddr = 0; |
2414 | else | |
2415 | section.s_vaddr = vma; | |
2416 | ||
2417 | section.s_paddr = current->lma; | |
eea6121a | 2418 | section.s_size = current->size; |
252b5132 RH |
2419 | |
2420 | /* If this section is unloadable then the scnptr will be 0. */ | |
2421 | if ((current->flags & (SEC_LOAD | SEC_HAS_CONTENTS)) == 0) | |
2422 | section.s_scnptr = 0; | |
2423 | else | |
2424 | section.s_scnptr = current->filepos; | |
2425 | section.s_relptr = current->rel_filepos; | |
2426 | ||
2427 | /* FIXME: the lnnoptr of the .sbss or .sdata section of an | |
2428 | object file produced by the assembler is supposed to point to | |
2429 | information about how much room is required by objects of | |
2430 | various different sizes. I think this only matters if we | |
2431 | want the linker to compute the best size to use, or | |
2432 | something. I don't know what happens if the information is | |
2433 | not present. */ | |
3b5d3310 | 2434 | if (! streq (current->name, _PDATA)) |
252b5132 RH |
2435 | section.s_lnnoptr = 0; |
2436 | else | |
2437 | { | |
2438 | /* The Alpha ECOFF .pdata section uses the lnnoptr field to | |
2439 | hold the number of entries in the section (each entry is | |
2440 | 8 bytes). We stored this in the line_filepos field in | |
2441 | ecoff_compute_section_file_positions. */ | |
2442 | section.s_lnnoptr = current->line_filepos; | |
2443 | } | |
2444 | ||
2445 | section.s_nreloc = current->reloc_count; | |
2446 | section.s_nlnno = 0; | |
2447 | section.s_flags = ecoff_sec_to_styp_flags (current->name, | |
2448 | current->flags); | |
2449 | ||
3b5d3310 | 2450 | if (bfd_coff_swap_scnhdr_out (abfd, (void *) §ion, buff) == 0 |
dc810e39 | 2451 | || bfd_bwrite (buff, scnhsz, abfd) != scnhsz) |
252b5132 RH |
2452 | goto error_return; |
2453 | ||
2454 | if ((section.s_flags & STYP_TEXT) != 0 | |
2455 | || ((section.s_flags & STYP_RDATA) != 0 | |
2456 | && ecoff_data (abfd)->rdata_in_text) | |
2457 | || section.s_flags == STYP_PDATA | |
2458 | || (section.s_flags & STYP_DYNAMIC) != 0 | |
2459 | || (section.s_flags & STYP_LIBLIST) != 0 | |
2460 | || (section.s_flags & STYP_RELDYN) != 0 | |
2461 | || section.s_flags == STYP_CONFLIC | |
2462 | || (section.s_flags & STYP_DYNSTR) != 0 | |
2463 | || (section.s_flags & STYP_DYNSYM) != 0 | |
2464 | || (section.s_flags & STYP_HASH) != 0 | |
2465 | || (section.s_flags & STYP_ECOFF_INIT) != 0 | |
2466 | || (section.s_flags & STYP_ECOFF_FINI) != 0 | |
2467 | || section.s_flags == STYP_RCONST) | |
2468 | { | |
eea6121a | 2469 | text_size += current->size; |
252b5132 RH |
2470 | if (! set_text_start || text_start > vma) |
2471 | { | |
2472 | text_start = vma; | |
0a1b45a2 | 2473 | set_text_start = true; |
252b5132 RH |
2474 | } |
2475 | } | |
2476 | else if ((section.s_flags & STYP_RDATA) != 0 | |
2477 | || (section.s_flags & STYP_DATA) != 0 | |
2478 | || (section.s_flags & STYP_LITA) != 0 | |
2479 | || (section.s_flags & STYP_LIT8) != 0 | |
2480 | || (section.s_flags & STYP_LIT4) != 0 | |
2481 | || (section.s_flags & STYP_SDATA) != 0 | |
2482 | || section.s_flags == STYP_XDATA | |
2483 | || (section.s_flags & STYP_GOT) != 0) | |
2484 | { | |
eea6121a | 2485 | data_size += current->size; |
252b5132 RH |
2486 | if (! set_data_start || data_start > vma) |
2487 | { | |
2488 | data_start = vma; | |
0a1b45a2 | 2489 | set_data_start = true; |
252b5132 RH |
2490 | } |
2491 | } | |
2492 | else if ((section.s_flags & STYP_BSS) != 0 | |
2493 | || (section.s_flags & STYP_SBSS) != 0) | |
eea6121a | 2494 | bss_size += current->size; |
252b5132 RH |
2495 | else if (section.s_flags == 0 |
2496 | || (section.s_flags & STYP_ECOFF_LIB) != 0 | |
2497 | || section.s_flags == STYP_COMMENT) | |
b0ac09d2 | 2498 | /* Do nothing. */ ; |
252b5132 RH |
2499 | else |
2500 | abort (); | |
1abaf976 | 2501 | } |
252b5132 RH |
2502 | |
2503 | /* Set up the file header. */ | |
252b5132 RH |
2504 | internal_f.f_magic = ecoff_get_magic (abfd); |
2505 | ||
2506 | /* We will NOT put a fucking timestamp in the header here. Every | |
2507 | time you put it back, I will come in and take it out again. I'm | |
2508 | sorry. This field does not belong here. We fill it with a 0 so | |
2509 | it compares the same but is not a reasonable time. -- | |
2510 | gnu@cygnus.com. */ | |
2511 | internal_f.f_timdat = 0; | |
2512 | ||
2513 | if (bfd_get_symcount (abfd) != 0) | |
2514 | { | |
2515 | /* The ECOFF f_nsyms field is not actually the number of | |
2516 | symbols, it's the size of symbolic information header. */ | |
2517 | internal_f.f_nsyms = external_hdr_size; | |
2518 | internal_f.f_symptr = ecoff_data (abfd)->sym_filepos; | |
2519 | } | |
2520 | else | |
2521 | { | |
2522 | internal_f.f_nsyms = 0; | |
2523 | internal_f.f_symptr = 0; | |
2524 | } | |
2525 | ||
2526 | internal_f.f_opthdr = aoutsz; | |
2527 | ||
2528 | internal_f.f_flags = F_LNNO; | |
2529 | if (reloc_size == 0) | |
2530 | internal_f.f_flags |= F_RELFLG; | |
2531 | if (bfd_get_symcount (abfd) == 0) | |
2532 | internal_f.f_flags |= F_LSYMS; | |
2533 | if (abfd->flags & EXEC_P) | |
2534 | internal_f.f_flags |= F_EXEC; | |
2535 | ||
2536 | if (bfd_little_endian (abfd)) | |
2537 | internal_f.f_flags |= F_AR32WR; | |
2538 | else | |
2539 | internal_f.f_flags |= F_AR32W; | |
2540 | ||
2541 | /* Set up the ``optional'' header. */ | |
2542 | if ((abfd->flags & D_PAGED) != 0) | |
2543 | internal_a.magic = ECOFF_AOUT_ZMAGIC; | |
2544 | else | |
2545 | internal_a.magic = ECOFF_AOUT_OMAGIC; | |
2546 | ||
2547 | /* FIXME: Is this really correct? */ | |
2548 | internal_a.vstamp = symhdr->vstamp; | |
2549 | ||
2550 | /* At least on Ultrix, these have to be rounded to page boundaries. | |
2551 | FIXME: Is this true on other platforms? */ | |
2552 | if ((abfd->flags & D_PAGED) != 0) | |
2553 | { | |
2554 | internal_a.tsize = (text_size + round - 1) &~ (round - 1); | |
2555 | internal_a.text_start = text_start &~ (round - 1); | |
2556 | internal_a.dsize = (data_size + round - 1) &~ (round - 1); | |
2557 | internal_a.data_start = data_start &~ (round - 1); | |
2558 | } | |
2559 | else | |
2560 | { | |
2561 | internal_a.tsize = text_size; | |
2562 | internal_a.text_start = text_start; | |
2563 | internal_a.dsize = data_size; | |
2564 | internal_a.data_start = data_start; | |
2565 | } | |
2566 | ||
2567 | /* On Ultrix, the initial portions of the .sbss and .bss segments | |
2568 | are at the end of the data section. The bsize field in the | |
2569 | optional header records how many bss bytes are required beyond | |
2570 | those in the data section. The value is not rounded to a page | |
2571 | boundary. */ | |
2572 | if (bss_size < internal_a.dsize - data_size) | |
2573 | bss_size = 0; | |
2574 | else | |
2575 | bss_size -= internal_a.dsize - data_size; | |
2576 | internal_a.bsize = bss_size; | |
2577 | internal_a.bss_start = internal_a.data_start + internal_a.dsize; | |
2578 | ||
2579 | internal_a.entry = bfd_get_start_address (abfd); | |
2580 | ||
2581 | internal_a.gp_value = ecoff_data (abfd)->gp; | |
2582 | ||
2583 | internal_a.gprmask = ecoff_data (abfd)->gprmask; | |
2584 | internal_a.fprmask = ecoff_data (abfd)->fprmask; | |
2585 | for (i = 0; i < 4; i++) | |
2586 | internal_a.cprmask[i] = ecoff_data (abfd)->cprmask[i]; | |
2587 | ||
2588 | /* Let the backend adjust the headers if necessary. */ | |
2589 | if (backend->adjust_headers) | |
2590 | { | |
2591 | if (! (*backend->adjust_headers) (abfd, &internal_f, &internal_a)) | |
2592 | goto error_return; | |
2593 | } | |
2594 | ||
2595 | /* Write out the file header and the optional header. */ | |
252b5132 RH |
2596 | if (bfd_seek (abfd, (file_ptr) 0, SEEK_SET) != 0) |
2597 | goto error_return; | |
2598 | ||
3b5d3310 | 2599 | bfd_coff_swap_filehdr_out (abfd, (void *) &internal_f, buff); |
dc810e39 | 2600 | if (bfd_bwrite (buff, filhsz, abfd) != filhsz) |
252b5132 RH |
2601 | goto error_return; |
2602 | ||
3b5d3310 | 2603 | bfd_coff_swap_aouthdr_out (abfd, (void *) &internal_a, buff); |
dc810e39 | 2604 | if (bfd_bwrite (buff, aoutsz, abfd) != aoutsz) |
252b5132 RH |
2605 | goto error_return; |
2606 | ||
2607 | /* Build the external symbol information. This must be done before | |
2608 | writing out the relocs so that we know the symbol indices. We | |
2609 | don't do this if this BFD was created by the backend linker, | |
2610 | since it will have already handled the symbols and relocs. */ | |
2611 | if (! ecoff_data (abfd)->linker) | |
2612 | { | |
2613 | symhdr->iextMax = 0; | |
2614 | symhdr->issExtMax = 0; | |
2615 | debug->external_ext = debug->external_ext_end = NULL; | |
2616 | debug->ssext = debug->ssext_end = NULL; | |
82e51918 AM |
2617 | if (! bfd_ecoff_debug_externals (abfd, debug, &backend->debug_swap, |
2618 | (abfd->flags & EXEC_P) == 0, | |
2619 | ecoff_get_extr, ecoff_set_index)) | |
252b5132 RH |
2620 | goto error_return; |
2621 | ||
2622 | /* Write out the relocs. */ | |
2623 | for (current = abfd->sections; | |
3b5d3310 | 2624 | current != NULL; |
252b5132 RH |
2625 | current = current->next) |
2626 | { | |
2627 | arelent **reloc_ptr_ptr; | |
2628 | arelent **reloc_end; | |
2629 | char *out_ptr; | |
dc810e39 | 2630 | bfd_size_type amt; |
252b5132 RH |
2631 | |
2632 | if (current->reloc_count == 0) | |
2633 | continue; | |
2634 | ||
dc810e39 AM |
2635 | amt = current->reloc_count * external_reloc_size; |
2636 | reloc_buff = bfd_alloc (abfd, amt); | |
252b5132 RH |
2637 | if (reloc_buff == NULL) |
2638 | goto error_return; | |
2639 | ||
2640 | reloc_ptr_ptr = current->orelocation; | |
2641 | reloc_end = reloc_ptr_ptr + current->reloc_count; | |
2642 | out_ptr = (char *) reloc_buff; | |
0adc9281 | 2643 | |
252b5132 RH |
2644 | for (; |
2645 | reloc_ptr_ptr < reloc_end; | |
2646 | reloc_ptr_ptr++, out_ptr += external_reloc_size) | |
2647 | { | |
2648 | arelent *reloc; | |
2649 | asymbol *sym; | |
2650 | struct internal_reloc in; | |
1abaf976 | 2651 | |
3b5d3310 | 2652 | memset ((void *) &in, 0, sizeof in); |
252b5132 RH |
2653 | |
2654 | reloc = *reloc_ptr_ptr; | |
2655 | sym = *reloc->sym_ptr_ptr; | |
2656 | ||
0adc9281 NC |
2657 | /* If the howto field has not been initialised then skip this reloc. |
2658 | This assumes that an error message has been issued elsewhere. */ | |
2659 | if (reloc->howto == NULL) | |
2660 | continue; | |
2661 | ||
fd361982 | 2662 | in.r_vaddr = reloc->address + bfd_section_vma (current); |
252b5132 RH |
2663 | in.r_type = reloc->howto->type; |
2664 | ||
2665 | if ((sym->flags & BSF_SECTION_SYM) == 0) | |
2666 | { | |
2667 | in.r_symndx = ecoff_get_sym_index (*reloc->sym_ptr_ptr); | |
2668 | in.r_extern = 1; | |
2669 | } | |
2670 | else | |
2671 | { | |
dc810e39 | 2672 | const char *name; |
91d6fa6a | 2673 | unsigned int j; |
3b5d3310 NC |
2674 | static struct |
2675 | { | |
2676 | const char * name; | |
2677 | long r_symndx; | |
2678 | } | |
2679 | section_symndx [] = | |
2680 | { | |
2681 | { _TEXT, RELOC_SECTION_TEXT }, | |
2682 | { _RDATA, RELOC_SECTION_RDATA }, | |
2683 | { _DATA, RELOC_SECTION_DATA }, | |
2684 | { _SDATA, RELOC_SECTION_SDATA }, | |
2685 | { _SBSS, RELOC_SECTION_SBSS }, | |
2686 | { _BSS, RELOC_SECTION_BSS }, | |
2687 | { _INIT, RELOC_SECTION_INIT }, | |
2688 | { _LIT8, RELOC_SECTION_LIT8 }, | |
2689 | { _LIT4, RELOC_SECTION_LIT4 }, | |
2690 | { _XDATA, RELOC_SECTION_XDATA }, | |
2691 | { _PDATA, RELOC_SECTION_PDATA }, | |
2692 | { _FINI, RELOC_SECTION_FINI }, | |
2693 | { _LITA, RELOC_SECTION_LITA }, | |
2694 | { "*ABS*", RELOC_SECTION_ABS }, | |
2695 | { _RCONST, RELOC_SECTION_RCONST } | |
2696 | }; | |
252b5132 | 2697 | |
fd361982 | 2698 | name = bfd_section_name (bfd_asymbol_section (sym)); |
3b5d3310 | 2699 | |
91d6fa6a NC |
2700 | for (j = 0; j < ARRAY_SIZE (section_symndx); j++) |
2701 | if (streq (name, section_symndx[j].name)) | |
3b5d3310 | 2702 | { |
91d6fa6a | 2703 | in.r_symndx = section_symndx[j].r_symndx; |
3b5d3310 NC |
2704 | break; |
2705 | } | |
2706 | ||
91d6fa6a | 2707 | if (j == ARRAY_SIZE (section_symndx)) |
252b5132 RH |
2708 | abort (); |
2709 | in.r_extern = 0; | |
2710 | } | |
2711 | ||
2712 | (*adjust_reloc_out) (abfd, reloc, &in); | |
2713 | ||
3b5d3310 | 2714 | (*swap_reloc_out) (abfd, &in, (void *) out_ptr); |
252b5132 RH |
2715 | } |
2716 | ||
2717 | if (bfd_seek (abfd, current->rel_filepos, SEEK_SET) != 0) | |
2718 | goto error_return; | |
dc810e39 AM |
2719 | amt = current->reloc_count * external_reloc_size; |
2720 | if (bfd_bwrite (reloc_buff, amt, abfd) != amt) | |
252b5132 RH |
2721 | goto error_return; |
2722 | bfd_release (abfd, reloc_buff); | |
2723 | reloc_buff = NULL; | |
2724 | } | |
2725 | ||
2726 | /* Write out the symbolic debugging information. */ | |
2727 | if (bfd_get_symcount (abfd) > 0) | |
2728 | { | |
2729 | /* Write out the debugging information. */ | |
82e51918 AM |
2730 | if (! bfd_ecoff_write_debug (abfd, debug, &backend->debug_swap, |
2731 | ecoff_data (abfd)->sym_filepos)) | |
252b5132 RH |
2732 | goto error_return; |
2733 | } | |
2734 | } | |
2735 | ||
2736 | /* The .bss section of a demand paged executable must receive an | |
2737 | entire page. If there are symbols, the symbols will start on the | |
2738 | next page. If there are no symbols, we must fill out the page by | |
2739 | hand. */ | |
2740 | if (bfd_get_symcount (abfd) == 0 | |
2741 | && (abfd->flags & EXEC_P) != 0 | |
2742 | && (abfd->flags & D_PAGED) != 0) | |
2743 | { | |
2744 | char c; | |
2745 | ||
2746 | if (bfd_seek (abfd, (file_ptr) ecoff_data (abfd)->sym_filepos - 1, | |
2747 | SEEK_SET) != 0) | |
2748 | goto error_return; | |
dc810e39 | 2749 | if (bfd_bread (&c, (bfd_size_type) 1, abfd) == 0) |
252b5132 RH |
2750 | c = 0; |
2751 | if (bfd_seek (abfd, (file_ptr) ecoff_data (abfd)->sym_filepos - 1, | |
2752 | SEEK_SET) != 0) | |
2753 | goto error_return; | |
dc810e39 | 2754 | if (bfd_bwrite (&c, (bfd_size_type) 1, abfd) != 1) |
252b5132 RH |
2755 | goto error_return; |
2756 | } | |
2757 | ||
2758 | if (reloc_buff != NULL) | |
2759 | bfd_release (abfd, reloc_buff); | |
c9594989 | 2760 | free (buff); |
0a1b45a2 | 2761 | return true; |
252b5132 RH |
2762 | error_return: |
2763 | if (reloc_buff != NULL) | |
2764 | bfd_release (abfd, reloc_buff); | |
c9594989 | 2765 | free (buff); |
0a1b45a2 | 2766 | return false; |
252b5132 RH |
2767 | } |
2768 | \f | |
2769 | /* Archive handling. ECOFF uses what appears to be a unique type of | |
2770 | archive header (armap). The byte ordering of the armap and the | |
2771 | contents are encoded in the name of the armap itself. At least for | |
2772 | now, we only support archives with the same byte ordering in the | |
2773 | armap and the contents. | |
2774 | ||
2775 | The first four bytes in the armap are the number of symbol | |
2776 | definitions. This is always a power of two. | |
2777 | ||
2778 | This is followed by the symbol definitions. Each symbol definition | |
2779 | occupies 8 bytes. The first four bytes are the offset from the | |
2780 | start of the armap strings to the null-terminated string naming | |
2781 | this symbol. The second four bytes are the file offset to the | |
2782 | archive member which defines this symbol. If the second four bytes | |
2783 | are 0, then this is not actually a symbol definition, and it should | |
2784 | be ignored. | |
2785 | ||
2786 | The symbols are hashed into the armap with a closed hashing scheme. | |
2787 | See the functions below for the details of the algorithm. | |
2788 | ||
2789 | After the symbol definitions comes four bytes holding the size of | |
2790 | the string table, followed by the string table itself. */ | |
2791 | ||
2792 | /* The name of an archive headers looks like this: | |
2793 | __________E[BL]E[BL]_ (with a trailing space). | |
2794 | The trailing space is changed to an X if the archive is changed to | |
2795 | indicate that the armap is out of date. | |
2796 | ||
2797 | The Alpha seems to use ________64E[BL]E[BL]_. */ | |
2798 | ||
07d6d2b8 AM |
2799 | #define ARMAP_BIG_ENDIAN 'B' |
2800 | #define ARMAP_LITTLE_ENDIAN 'L' | |
2801 | #define ARMAP_MARKER 'E' | |
2802 | #define ARMAP_START_LENGTH 10 | |
3b5d3310 | 2803 | #define ARMAP_HEADER_MARKER_INDEX 10 |
07d6d2b8 AM |
2804 | #define ARMAP_HEADER_ENDIAN_INDEX 11 |
2805 | #define ARMAP_OBJECT_MARKER_INDEX 12 | |
2806 | #define ARMAP_OBJECT_ENDIAN_INDEX 13 | |
2807 | #define ARMAP_END_INDEX 14 | |
2808 | #define ARMAP_END "_ " | |
252b5132 RH |
2809 | |
2810 | /* This is a magic number used in the hashing algorithm. */ | |
07d6d2b8 | 2811 | #define ARMAP_HASH_MAGIC 0x9dd68ab5 |
252b5132 RH |
2812 | |
2813 | /* This returns the hash value to use for a string. It also sets | |
2814 | *REHASH to the rehash adjustment if the first slot is taken. SIZE | |
2815 | is the number of entries in the hash table, and HLOG is the log | |
2816 | base 2 of SIZE. */ | |
2817 | ||
2818 | static unsigned int | |
3b5d3310 NC |
2819 | ecoff_armap_hash (const char *s, |
2820 | unsigned int *rehash, | |
2821 | unsigned int size, | |
2822 | unsigned int hlog) | |
252b5132 RH |
2823 | { |
2824 | unsigned int hash; | |
2825 | ||
2826 | if (hlog == 0) | |
2827 | return 0; | |
2828 | hash = *s++; | |
2829 | while (*s != '\0') | |
2830 | hash = ((hash >> 27) | (hash << 5)) + *s++; | |
2831 | hash *= ARMAP_HASH_MAGIC; | |
2832 | *rehash = (hash & (size - 1)) | 1; | |
2833 | return hash >> (32 - hlog); | |
2834 | } | |
2835 | ||
2836 | /* Read in the armap. */ | |
2837 | ||
0a1b45a2 | 2838 | bool |
3b5d3310 | 2839 | _bfd_ecoff_slurp_armap (bfd *abfd) |
252b5132 RH |
2840 | { |
2841 | char nextname[17]; | |
2842 | unsigned int i; | |
2843 | struct areltdata *mapdata; | |
cf28cfef | 2844 | bfd_size_type parsed_size, stringsize; |
252b5132 RH |
2845 | char *raw_armap; |
2846 | struct artdata *ardata; | |
2847 | unsigned int count; | |
2848 | char *raw_ptr; | |
c6a3cf87 | 2849 | carsym *symdef_ptr; |
252b5132 | 2850 | char *stringbase; |
dc810e39 | 2851 | bfd_size_type amt; |
1abaf976 | 2852 | |
252b5132 | 2853 | /* Get the name of the first element. */ |
3b5d3310 | 2854 | i = bfd_bread ((void *) nextname, (bfd_size_type) 16, abfd); |
252b5132 | 2855 | if (i == 0) |
0a1b45a2 | 2856 | return true; |
252b5132 | 2857 | if (i != 16) |
0a1b45a2 | 2858 | return false; |
252b5132 RH |
2859 | |
2860 | if (bfd_seek (abfd, (file_ptr) -16, SEEK_CUR) != 0) | |
0a1b45a2 | 2861 | return false; |
252b5132 RH |
2862 | |
2863 | /* Irix 4.0.5F apparently can use either an ECOFF armap or a | |
2864 | standard COFF armap. We could move the ECOFF armap stuff into | |
2865 | bfd_slurp_armap, but that seems inappropriate since no other | |
2866 | target uses this format. Instead, we check directly for a COFF | |
2867 | armap. */ | |
08dedd66 | 2868 | if (startswith (nextname, "/ ")) |
252b5132 RH |
2869 | return bfd_slurp_armap (abfd); |
2870 | ||
2871 | /* See if the first element is an armap. */ | |
e9b095a5 | 2872 | if (strncmp (nextname, ecoff_backend (abfd)->armap_start, ARMAP_START_LENGTH) != 0 |
252b5132 RH |
2873 | || nextname[ARMAP_HEADER_MARKER_INDEX] != ARMAP_MARKER |
2874 | || (nextname[ARMAP_HEADER_ENDIAN_INDEX] != ARMAP_BIG_ENDIAN | |
2875 | && nextname[ARMAP_HEADER_ENDIAN_INDEX] != ARMAP_LITTLE_ENDIAN) | |
2876 | || nextname[ARMAP_OBJECT_MARKER_INDEX] != ARMAP_MARKER | |
2877 | || (nextname[ARMAP_OBJECT_ENDIAN_INDEX] != ARMAP_BIG_ENDIAN | |
2878 | && nextname[ARMAP_OBJECT_ENDIAN_INDEX] != ARMAP_LITTLE_ENDIAN) | |
e9b095a5 | 2879 | || strncmp (nextname + ARMAP_END_INDEX, ARMAP_END, sizeof ARMAP_END - 1) != 0) |
252b5132 | 2880 | { |
0a1b45a2 AM |
2881 | abfd->has_armap = false; |
2882 | return true; | |
252b5132 RH |
2883 | } |
2884 | ||
2885 | /* Make sure we have the right byte ordering. */ | |
2886 | if (((nextname[ARMAP_HEADER_ENDIAN_INDEX] == ARMAP_BIG_ENDIAN) | |
2887 | ^ (bfd_header_big_endian (abfd))) | |
2888 | || ((nextname[ARMAP_OBJECT_ENDIAN_INDEX] == ARMAP_BIG_ENDIAN) | |
2889 | ^ (bfd_big_endian (abfd)))) | |
2890 | { | |
2891 | bfd_set_error (bfd_error_wrong_format); | |
0a1b45a2 | 2892 | return false; |
252b5132 RH |
2893 | } |
2894 | ||
2895 | /* Read in the armap. */ | |
2896 | ardata = bfd_ardata (abfd); | |
2897 | mapdata = (struct areltdata *) _bfd_read_ar_hdr (abfd); | |
3b5d3310 | 2898 | if (mapdata == NULL) |
0a1b45a2 | 2899 | return false; |
252b5132 | 2900 | parsed_size = mapdata->parsed_size; |
06e7acd7 | 2901 | free (mapdata); |
1abaf976 | 2902 | |
cf28cfef | 2903 | if (parsed_size + 1 < 9) |
252b5132 | 2904 | { |
cf28cfef | 2905 | bfd_set_error (bfd_error_malformed_archive); |
0a1b45a2 | 2906 | return false; |
252b5132 | 2907 | } |
1abaf976 | 2908 | |
cf28cfef AM |
2909 | raw_armap = (char *) _bfd_alloc_and_read (abfd, parsed_size + 1, parsed_size); |
2910 | if (raw_armap == NULL) | |
0a1b45a2 | 2911 | return false; |
cf28cfef AM |
2912 | raw_armap[parsed_size] = 0; |
2913 | ||
3b5d3310 | 2914 | ardata->tdata = (void *) raw_armap; |
252b5132 | 2915 | |
dc810e39 | 2916 | count = H_GET_32 (abfd, raw_armap); |
cf28cfef AM |
2917 | if ((parsed_size - 8) / 8 < count) |
2918 | goto error_malformed; | |
252b5132 RH |
2919 | |
2920 | ardata->symdef_count = 0; | |
3b5d3310 | 2921 | ardata->cache = NULL; |
252b5132 RH |
2922 | |
2923 | /* This code used to overlay the symdefs over the raw archive data, | |
2924 | but that doesn't work on a 64 bit host. */ | |
252b5132 | 2925 | stringbase = raw_armap + count * 8 + 8; |
cf28cfef | 2926 | stringsize = parsed_size - (count * 8 + 8); |
252b5132 RH |
2927 | |
2928 | #ifdef CHECK_ARMAP_HASH | |
2929 | { | |
2930 | unsigned int hlog; | |
2931 | ||
2932 | /* Double check that I have the hashing algorithm right by making | |
2933 | sure that every symbol can be looked up successfully. */ | |
2934 | hlog = 0; | |
2935 | for (i = 1; i < count; i <<= 1) | |
2936 | hlog++; | |
2937 | BFD_ASSERT (i == count); | |
2938 | ||
2939 | raw_ptr = raw_armap + 4; | |
2940 | for (i = 0; i < count; i++, raw_ptr += 8) | |
2941 | { | |
2942 | unsigned int name_offset, file_offset; | |
2943 | unsigned int hash, rehash, srch; | |
1abaf976 | 2944 | |
dc810e39 AM |
2945 | name_offset = H_GET_32 (abfd, raw_ptr); |
2946 | file_offset = H_GET_32 (abfd, (raw_ptr + 4)); | |
252b5132 RH |
2947 | if (file_offset == 0) |
2948 | continue; | |
2949 | hash = ecoff_armap_hash (stringbase + name_offset, &rehash, count, | |
2950 | hlog); | |
2951 | if (hash == i) | |
2952 | continue; | |
2953 | ||
2954 | /* See if we can rehash to this location. */ | |
2955 | for (srch = (hash + rehash) & (count - 1); | |
2956 | srch != hash && srch != i; | |
2957 | srch = (srch + rehash) & (count - 1)) | |
dc810e39 | 2958 | BFD_ASSERT (H_GET_32 (abfd, (raw_armap + 8 + srch * 8)) != 0); |
252b5132 RH |
2959 | BFD_ASSERT (srch == i); |
2960 | } | |
2961 | } | |
2962 | ||
2963 | #endif /* CHECK_ARMAP_HASH */ | |
2964 | ||
2965 | raw_ptr = raw_armap + 4; | |
2966 | for (i = 0; i < count; i++, raw_ptr += 8) | |
dc810e39 | 2967 | if (H_GET_32 (abfd, (raw_ptr + 4)) != 0) |
252b5132 RH |
2968 | ++ardata->symdef_count; |
2969 | ||
dc810e39 | 2970 | amt = ardata->symdef_count; |
c6a3cf87 AM |
2971 | amt *= sizeof (carsym); |
2972 | symdef_ptr = (carsym *) bfd_alloc (abfd, amt); | |
252b5132 | 2973 | if (!symdef_ptr) |
cf28cfef | 2974 | goto error_exit; |
252b5132 | 2975 | |
c6a3cf87 | 2976 | ardata->symdefs = symdef_ptr; |
252b5132 RH |
2977 | |
2978 | raw_ptr = raw_armap + 4; | |
2979 | for (i = 0; i < count; i++, raw_ptr += 8) | |
2980 | { | |
2981 | unsigned int name_offset, file_offset; | |
2982 | ||
dc810e39 | 2983 | file_offset = H_GET_32 (abfd, (raw_ptr + 4)); |
252b5132 RH |
2984 | if (file_offset == 0) |
2985 | continue; | |
dc810e39 | 2986 | name_offset = H_GET_32 (abfd, raw_ptr); |
cf28cfef AM |
2987 | if (name_offset > stringsize) |
2988 | goto error_malformed; | |
c6a3cf87 | 2989 | symdef_ptr->name = stringbase + name_offset; |
252b5132 RH |
2990 | symdef_ptr->file_offset = file_offset; |
2991 | ++symdef_ptr; | |
2992 | } | |
2993 | ||
2994 | ardata->first_file_filepos = bfd_tell (abfd); | |
2995 | /* Pad to an even boundary. */ | |
2996 | ardata->first_file_filepos += ardata->first_file_filepos % 2; | |
0a1b45a2 AM |
2997 | abfd->has_armap = true; |
2998 | return true; | |
cf28cfef AM |
2999 | |
3000 | error_malformed: | |
3001 | bfd_set_error (bfd_error_malformed_archive); | |
3002 | error_exit: | |
3003 | ardata->symdef_count = 0; | |
3004 | ardata->symdefs = NULL; | |
3005 | ardata->tdata = NULL; | |
3006 | bfd_release (abfd, raw_armap); | |
0a1b45a2 | 3007 | return false; |
252b5132 RH |
3008 | } |
3009 | ||
3010 | /* Write out an armap. */ | |
3011 | ||
0a1b45a2 | 3012 | bool |
3b5d3310 NC |
3013 | _bfd_ecoff_write_armap (bfd *abfd, |
3014 | unsigned int elength, | |
3015 | struct orl *map, | |
3016 | unsigned int orl_count, | |
3017 | int stridx) | |
252b5132 RH |
3018 | { |
3019 | unsigned int hashsize, hashlog; | |
dc810e39 | 3020 | bfd_size_type symdefsize; |
252b5132 RH |
3021 | int padit; |
3022 | unsigned int stringsize; | |
3023 | unsigned int mapsize; | |
3024 | file_ptr firstreal; | |
3025 | struct ar_hdr hdr; | |
3026 | struct stat statbuf; | |
3027 | unsigned int i; | |
3028 | bfd_byte temp[4]; | |
3029 | bfd_byte *hashtable; | |
3030 | bfd *current; | |
3031 | bfd *last_elt; | |
3032 | ||
3033 | /* Ultrix appears to use as a hash table size the least power of two | |
3034 | greater than twice the number of entries. */ | |
3035 | for (hashlog = 0; ((unsigned int) 1 << hashlog) <= 2 * orl_count; hashlog++) | |
3036 | ; | |
3037 | hashsize = 1 << hashlog; | |
3038 | ||
3039 | symdefsize = hashsize * 8; | |
3040 | padit = stridx % 2; | |
3041 | stringsize = stridx + padit; | |
3042 | ||
1abaf976 | 3043 | /* Include 8 bytes to store symdefsize and stringsize in output. */ |
252b5132 RH |
3044 | mapsize = symdefsize + stringsize + 8; |
3045 | ||
3046 | firstreal = SARMAG + sizeof (struct ar_hdr) + mapsize + elength; | |
3047 | ||
3b5d3310 | 3048 | memset ((void *) &hdr, 0, sizeof hdr); |
252b5132 RH |
3049 | |
3050 | /* Work out the ECOFF armap name. */ | |
3051 | strcpy (hdr.ar_name, ecoff_backend (abfd)->armap_start); | |
3052 | hdr.ar_name[ARMAP_HEADER_MARKER_INDEX] = ARMAP_MARKER; | |
3053 | hdr.ar_name[ARMAP_HEADER_ENDIAN_INDEX] = | |
3054 | (bfd_header_big_endian (abfd) | |
3055 | ? ARMAP_BIG_ENDIAN | |
3056 | : ARMAP_LITTLE_ENDIAN); | |
3057 | hdr.ar_name[ARMAP_OBJECT_MARKER_INDEX] = ARMAP_MARKER; | |
3058 | hdr.ar_name[ARMAP_OBJECT_ENDIAN_INDEX] = | |
3059 | bfd_big_endian (abfd) ? ARMAP_BIG_ENDIAN : ARMAP_LITTLE_ENDIAN; | |
3060 | memcpy (hdr.ar_name + ARMAP_END_INDEX, ARMAP_END, sizeof ARMAP_END - 1); | |
3061 | ||
3062 | /* Write the timestamp of the archive header to be just a little bit | |
3063 | later than the timestamp of the file, otherwise the linker will | |
3064 | complain that the index is out of date. Actually, the Ultrix | |
3065 | linker just checks the archive name; the GNU linker may check the | |
3066 | date. */ | |
765cf5f6 | 3067 | stat (bfd_get_filename (abfd), &statbuf); |
c6a3cf87 AM |
3068 | _bfd_ar_spacepad (hdr.ar_date, sizeof (hdr.ar_date), "%ld", |
3069 | (long) (statbuf.st_mtime + 60)); | |
252b5132 RH |
3070 | |
3071 | /* The DECstation uses zeroes for the uid, gid and mode of the | |
3072 | armap. */ | |
3073 | hdr.ar_uid[0] = '0'; | |
3074 | hdr.ar_gid[0] = '0'; | |
1abaf976 | 3075 | /* Building gcc ends up extracting the armap as a file - twice. */ |
ec0ef80e DD |
3076 | hdr.ar_mode[0] = '6'; |
3077 | hdr.ar_mode[1] = '4'; | |
3078 | hdr.ar_mode[2] = '4'; | |
252b5132 | 3079 | |
c6a3cf87 | 3080 | _bfd_ar_spacepad (hdr.ar_size, sizeof (hdr.ar_size), "%-10ld", mapsize); |
252b5132 RH |
3081 | |
3082 | hdr.ar_fmag[0] = '`'; | |
3083 | hdr.ar_fmag[1] = '\012'; | |
3084 | ||
3085 | /* Turn all null bytes in the header into spaces. */ | |
3086 | for (i = 0; i < sizeof (struct ar_hdr); i++) | |
1abaf976 KH |
3087 | if (((char *) (&hdr))[i] == '\0') |
3088 | (((char *) (&hdr))[i]) = ' '; | |
252b5132 | 3089 | |
3b5d3310 | 3090 | if (bfd_bwrite ((void *) &hdr, (bfd_size_type) sizeof (struct ar_hdr), abfd) |
252b5132 | 3091 | != sizeof (struct ar_hdr)) |
0a1b45a2 | 3092 | return false; |
252b5132 | 3093 | |
dc810e39 | 3094 | H_PUT_32 (abfd, hashsize, temp); |
3b5d3310 | 3095 | if (bfd_bwrite ((void *) temp, (bfd_size_type) 4, abfd) != 4) |
0a1b45a2 | 3096 | return false; |
1abaf976 | 3097 | |
21d799b5 | 3098 | hashtable = (bfd_byte *) bfd_zalloc (abfd, symdefsize); |
252b5132 | 3099 | if (!hashtable) |
0a1b45a2 | 3100 | return false; |
252b5132 RH |
3101 | |
3102 | current = abfd->archive_head; | |
3103 | last_elt = current; | |
3104 | for (i = 0; i < orl_count; i++) | |
3105 | { | |
1b0b5b1b | 3106 | unsigned int hash, rehash = 0; |
252b5132 RH |
3107 | |
3108 | /* Advance firstreal to the file position of this archive | |
3109 | element. */ | |
dc810e39 | 3110 | if (map[i].u.abfd != last_elt) |
252b5132 RH |
3111 | { |
3112 | do | |
3113 | { | |
3114 | firstreal += arelt_size (current) + sizeof (struct ar_hdr); | |
3115 | firstreal += firstreal % 2; | |
cc481421 | 3116 | current = current->archive_next; |
252b5132 | 3117 | } |
dc810e39 | 3118 | while (current != map[i].u.abfd); |
252b5132 RH |
3119 | } |
3120 | ||
3121 | last_elt = current; | |
3122 | ||
3123 | hash = ecoff_armap_hash (*map[i].name, &rehash, hashsize, hashlog); | |
dc810e39 | 3124 | if (H_GET_32 (abfd, (hashtable + (hash * 8) + 4)) != 0) |
252b5132 RH |
3125 | { |
3126 | unsigned int srch; | |
3127 | ||
3128 | /* The desired slot is already taken. */ | |
3129 | for (srch = (hash + rehash) & (hashsize - 1); | |
3130 | srch != hash; | |
3131 | srch = (srch + rehash) & (hashsize - 1)) | |
dc810e39 | 3132 | if (H_GET_32 (abfd, (hashtable + (srch * 8) + 4)) == 0) |
252b5132 RH |
3133 | break; |
3134 | ||
3135 | BFD_ASSERT (srch != hash); | |
3136 | ||
3137 | hash = srch; | |
3138 | } | |
1abaf976 | 3139 | |
dc810e39 AM |
3140 | H_PUT_32 (abfd, map[i].namidx, (hashtable + hash * 8)); |
3141 | H_PUT_32 (abfd, firstreal, (hashtable + hash * 8 + 4)); | |
252b5132 RH |
3142 | } |
3143 | ||
3b5d3310 | 3144 | if (bfd_bwrite ((void *) hashtable, symdefsize, abfd) != symdefsize) |
0a1b45a2 | 3145 | return false; |
252b5132 RH |
3146 | |
3147 | bfd_release (abfd, hashtable); | |
3148 | ||
3149 | /* Now write the strings. */ | |
dc810e39 | 3150 | H_PUT_32 (abfd, stringsize, temp); |
3b5d3310 | 3151 | if (bfd_bwrite ((void *) temp, (bfd_size_type) 4, abfd) != 4) |
0a1b45a2 | 3152 | return false; |
252b5132 RH |
3153 | for (i = 0; i < orl_count; i++) |
3154 | { | |
3155 | bfd_size_type len; | |
3156 | ||
3157 | len = strlen (*map[i].name) + 1; | |
3b5d3310 | 3158 | if (bfd_bwrite ((void *) (*map[i].name), len, abfd) != len) |
0a1b45a2 | 3159 | return false; |
252b5132 RH |
3160 | } |
3161 | ||
3162 | /* The spec sez this should be a newline. But in order to be | |
3163 | bug-compatible for DECstation ar we use a null. */ | |
3164 | if (padit) | |
3165 | { | |
dc810e39 | 3166 | if (bfd_bwrite ("", (bfd_size_type) 1, abfd) != 1) |
0a1b45a2 | 3167 | return false; |
252b5132 RH |
3168 | } |
3169 | ||
0a1b45a2 | 3170 | return true; |
252b5132 | 3171 | } |
252b5132 RH |
3172 | \f |
3173 | /* ECOFF linker code. */ | |
3174 | ||
252b5132 RH |
3175 | /* Routine to create an entry in an ECOFF link hash table. */ |
3176 | ||
3177 | static struct bfd_hash_entry * | |
3b5d3310 NC |
3178 | ecoff_link_hash_newfunc (struct bfd_hash_entry *entry, |
3179 | struct bfd_hash_table *table, | |
3180 | const char *string) | |
252b5132 RH |
3181 | { |
3182 | struct ecoff_link_hash_entry *ret = (struct ecoff_link_hash_entry *) entry; | |
3183 | ||
3184 | /* Allocate the structure if it has not already been allocated by a | |
3185 | subclass. */ | |
3b5d3310 | 3186 | if (ret == NULL) |
252b5132 RH |
3187 | ret = ((struct ecoff_link_hash_entry *) |
3188 | bfd_hash_allocate (table, sizeof (struct ecoff_link_hash_entry))); | |
3b5d3310 | 3189 | if (ret == NULL) |
252b5132 RH |
3190 | return NULL; |
3191 | ||
3192 | /* Call the allocation method of the superclass. */ | |
3193 | ret = ((struct ecoff_link_hash_entry *) | |
3194 | _bfd_link_hash_newfunc ((struct bfd_hash_entry *) ret, | |
3195 | table, string)); | |
3196 | ||
3197 | if (ret) | |
3198 | { | |
3199 | /* Set local fields. */ | |
3200 | ret->indx = -1; | |
3201 | ret->abfd = NULL; | |
3202 | ret->written = 0; | |
3203 | ret->small = 0; | |
3204 | } | |
3b5d3310 | 3205 | memset ((void *) &ret->esym, 0, sizeof ret->esym); |
252b5132 RH |
3206 | |
3207 | return (struct bfd_hash_entry *) ret; | |
3208 | } | |
3209 | ||
3210 | /* Create an ECOFF link hash table. */ | |
3211 | ||
3212 | struct bfd_link_hash_table * | |
3b5d3310 | 3213 | _bfd_ecoff_bfd_link_hash_table_create (bfd *abfd) |
252b5132 RH |
3214 | { |
3215 | struct ecoff_link_hash_table *ret; | |
986f0783 | 3216 | size_t amt = sizeof (struct ecoff_link_hash_table); |
252b5132 | 3217 | |
21d799b5 | 3218 | ret = (struct ecoff_link_hash_table *) bfd_malloc (amt); |
252b5132 RH |
3219 | if (ret == NULL) |
3220 | return NULL; | |
66eb6687 AM |
3221 | if (!_bfd_link_hash_table_init (&ret->root, abfd, |
3222 | ecoff_link_hash_newfunc, | |
3223 | sizeof (struct ecoff_link_hash_entry))) | |
252b5132 RH |
3224 | { |
3225 | free (ret); | |
3b5d3310 | 3226 | return NULL; |
252b5132 RH |
3227 | } |
3228 | return &ret->root; | |
3229 | } | |
3230 | ||
3231 | /* Look up an entry in an ECOFF link hash table. */ | |
3232 | ||
3233 | #define ecoff_link_hash_lookup(table, string, create, copy, follow) \ | |
3234 | ((struct ecoff_link_hash_entry *) \ | |
3235 | bfd_link_hash_lookup (&(table)->root, (string), (create), (copy), (follow))) | |
3236 | ||
252b5132 RH |
3237 | /* Get the ECOFF link hash table from the info structure. This is |
3238 | just a cast. */ | |
3239 | ||
3240 | #define ecoff_hash_table(p) ((struct ecoff_link_hash_table *) ((p)->hash)) | |
3241 | ||
3b5d3310 NC |
3242 | /* Add the external symbols of an object file to the global linker |
3243 | hash table. The external symbols and strings we are passed are | |
3244 | just allocated on the stack, and will be discarded. We must | |
3245 | explicitly save any information we may need later on in the link. | |
3246 | We do not want to read the external symbol information again. */ | |
252b5132 | 3247 | |
0a1b45a2 | 3248 | static bool |
3b5d3310 NC |
3249 | ecoff_link_add_externals (bfd *abfd, |
3250 | struct bfd_link_info *info, | |
3251 | void * external_ext, | |
3252 | char *ssext) | |
252b5132 RH |
3253 | { |
3254 | const struct ecoff_backend_data * const backend = ecoff_backend (abfd); | |
3b5d3310 NC |
3255 | void (* const swap_ext_in) (bfd *, void *, EXTR *) |
3256 | = backend->debug_swap.swap_ext_in; | |
3257 | bfd_size_type external_ext_size = backend->debug_swap.external_ext_size; | |
3258 | unsigned long ext_count; | |
3259 | struct bfd_link_hash_entry **sym_hash; | |
3260 | char *ext_ptr; | |
3261 | char *ext_end; | |
3262 | bfd_size_type amt; | |
252b5132 | 3263 | |
3b5d3310 | 3264 | ext_count = ecoff_data (abfd)->debug_info.symbolic_header.iextMax; |
252b5132 | 3265 | |
3b5d3310 NC |
3266 | amt = ext_count; |
3267 | amt *= sizeof (struct bfd_link_hash_entry *); | |
21d799b5 | 3268 | sym_hash = (struct bfd_link_hash_entry **) bfd_alloc (abfd, amt); |
3b5d3310 | 3269 | if (!sym_hash) |
0a1b45a2 | 3270 | return false; |
3b5d3310 | 3271 | ecoff_data (abfd)->sym_hashes = (struct ecoff_link_hash_entry **) sym_hash; |
252b5132 | 3272 | |
3b5d3310 NC |
3273 | ext_ptr = (char *) external_ext; |
3274 | ext_end = ext_ptr + ext_count * external_ext_size; | |
3275 | for (; ext_ptr < ext_end; ext_ptr += external_ext_size, sym_hash++) | |
252b5132 | 3276 | { |
3b5d3310 | 3277 | EXTR esym; |
0a1b45a2 | 3278 | bool skip; |
3b5d3310 NC |
3279 | bfd_vma value; |
3280 | asection *section; | |
252b5132 | 3281 | const char *name; |
3b5d3310 | 3282 | struct ecoff_link_hash_entry *h; |
252b5132 | 3283 | |
3b5d3310 | 3284 | *sym_hash = NULL; |
252b5132 | 3285 | |
3b5d3310 | 3286 | (*swap_ext_in) (abfd, (void *) ext_ptr, &esym); |
252b5132 | 3287 | |
3b5d3310 | 3288 | /* Skip debugging symbols. */ |
0a1b45a2 | 3289 | skip = false; |
3b5d3310 | 3290 | switch (esym.asym.st) |
252b5132 | 3291 | { |
3b5d3310 NC |
3292 | case stGlobal: |
3293 | case stStatic: | |
3294 | case stLabel: | |
3295 | case stProc: | |
3296 | case stStaticProc: | |
3297 | break; | |
3298 | default: | |
0a1b45a2 | 3299 | skip = true; |
3b5d3310 | 3300 | break; |
252b5132 RH |
3301 | } |
3302 | ||
3b5d3310 NC |
3303 | if (skip) |
3304 | continue; | |
252b5132 | 3305 | |
3b5d3310 NC |
3306 | /* Get the information for this symbol. */ |
3307 | value = esym.asym.value; | |
3308 | switch (esym.asym.sc) | |
252b5132 | 3309 | { |
3b5d3310 NC |
3310 | default: |
3311 | case scNil: | |
3312 | case scRegister: | |
3313 | case scCdbLocal: | |
3314 | case scBits: | |
3315 | case scCdbSystem: | |
3316 | case scRegImage: | |
3317 | case scInfo: | |
3318 | case scUserStruct: | |
3319 | case scVar: | |
3320 | case scVarRegister: | |
3321 | case scVariant: | |
3322 | case scBasedVar: | |
3323 | case scXData: | |
3324 | case scPData: | |
3325 | section = NULL; | |
3326 | break; | |
3327 | case scText: | |
3328 | section = bfd_make_section_old_way (abfd, _TEXT); | |
3329 | value -= section->vma; | |
3330 | break; | |
3331 | case scData: | |
3332 | section = bfd_make_section_old_way (abfd, _DATA); | |
3333 | value -= section->vma; | |
3334 | break; | |
3335 | case scBss: | |
3336 | section = bfd_make_section_old_way (abfd, _BSS); | |
3337 | value -= section->vma; | |
3338 | break; | |
3339 | case scAbs: | |
3340 | section = bfd_abs_section_ptr; | |
3341 | break; | |
3342 | case scUndefined: | |
3343 | section = bfd_und_section_ptr; | |
3344 | break; | |
3345 | case scSData: | |
3346 | section = bfd_make_section_old_way (abfd, _SDATA); | |
3347 | value -= section->vma; | |
3348 | break; | |
3349 | case scSBss: | |
3350 | section = bfd_make_section_old_way (abfd, _SBSS); | |
3351 | value -= section->vma; | |
3352 | break; | |
3353 | case scRData: | |
3354 | section = bfd_make_section_old_way (abfd, _RDATA); | |
3355 | value -= section->vma; | |
3356 | break; | |
3357 | case scCommon: | |
3358 | if (value > ecoff_data (abfd)->gp_size) | |
252b5132 | 3359 | { |
3b5d3310 NC |
3360 | section = bfd_com_section_ptr; |
3361 | break; | |
252b5132 | 3362 | } |
3b5d3310 NC |
3363 | /* Fall through. */ |
3364 | case scSCommon: | |
3b5d3310 NC |
3365 | section = &ecoff_scom_section; |
3366 | break; | |
3367 | case scSUndefined: | |
3368 | section = bfd_und_section_ptr; | |
3369 | break; | |
3370 | case scInit: | |
3371 | section = bfd_make_section_old_way (abfd, _INIT); | |
3372 | value -= section->vma; | |
3373 | break; | |
3374 | case scFini: | |
3375 | section = bfd_make_section_old_way (abfd, _FINI); | |
3376 | value -= section->vma; | |
3377 | break; | |
3378 | case scRConst: | |
3379 | section = bfd_make_section_old_way (abfd, _RCONST); | |
3380 | value -= section->vma; | |
3381 | break; | |
252b5132 RH |
3382 | } |
3383 | ||
3b5d3310 NC |
3384 | if (section == NULL) |
3385 | continue; | |
252b5132 | 3386 | |
3b5d3310 | 3387 | name = ssext + esym.asym.iss; |
252b5132 | 3388 | |
3b5d3310 NC |
3389 | if (! (_bfd_generic_link_add_one_symbol |
3390 | (info, abfd, name, | |
3391 | (flagword) (esym.weakext ? BSF_WEAK : BSF_GLOBAL), | |
0a1b45a2 AM |
3392 | section, value, NULL, true, true, sym_hash))) |
3393 | return false; | |
252b5132 | 3394 | |
3b5d3310 NC |
3395 | h = (struct ecoff_link_hash_entry *) *sym_hash; |
3396 | ||
3397 | /* If we are building an ECOFF hash table, save the external | |
3398 | symbol information. */ | |
f13a99db | 3399 | if (bfd_get_flavour (info->output_bfd) == bfd_get_flavour (abfd)) |
3b5d3310 NC |
3400 | { |
3401 | if (h->abfd == NULL | |
3402 | || (! bfd_is_und_section (section) | |
3403 | && (! bfd_is_com_section (section) | |
3404 | || (h->root.type != bfd_link_hash_defined | |
3405 | && h->root.type != bfd_link_hash_defweak)))) | |
3406 | { | |
3407 | h->abfd = abfd; | |
3408 | h->esym = esym; | |
3409 | } | |
3410 | ||
3411 | /* Remember whether this symbol was small undefined. */ | |
3412 | if (esym.asym.sc == scSUndefined) | |
3413 | h->small = 1; | |
3414 | ||
3415 | /* If this symbol was ever small undefined, it needs to wind | |
3416 | up in a GP relative section. We can't control the | |
3417 | section of a defined symbol, but we can control the | |
3418 | section of a common symbol. This case is actually needed | |
3419 | on Ultrix 4.2 to handle the symbol cred in -lckrb. */ | |
3420 | if (h->small | |
3421 | && h->root.type == bfd_link_hash_common | |
3422 | && streq (h->root.u.c.p->section->name, SCOMMON)) | |
3423 | { | |
3424 | h->root.u.c.p->section = bfd_make_section_old_way (abfd, | |
3425 | SCOMMON); | |
3426 | h->root.u.c.p->section->flags = SEC_ALLOC; | |
3427 | if (h->esym.asym.sc == scCommon) | |
3428 | h->esym.asym.sc = scSCommon; | |
3429 | } | |
3430 | } | |
252b5132 RH |
3431 | } |
3432 | ||
0a1b45a2 | 3433 | return true; |
252b5132 RH |
3434 | } |
3435 | ||
3b5d3310 NC |
3436 | /* Add symbols from an ECOFF object file to the global linker hash |
3437 | table. */ | |
3438 | ||
0a1b45a2 | 3439 | static bool |
3b5d3310 NC |
3440 | ecoff_link_add_object_symbols (bfd *abfd, struct bfd_link_info *info) |
3441 | { | |
3442 | HDRR *symhdr; | |
3443 | bfd_size_type external_ext_size; | |
3444 | void * external_ext = NULL; | |
3445 | bfd_size_type esize; | |
3446 | char *ssext = NULL; | |
0a1b45a2 | 3447 | bool result; |
3b5d3310 NC |
3448 | |
3449 | if (! ecoff_slurp_symbolic_header (abfd)) | |
0a1b45a2 | 3450 | return false; |
3b5d3310 NC |
3451 | |
3452 | /* If there are no symbols, we don't want it. */ | |
3453 | if (bfd_get_symcount (abfd) == 0) | |
0a1b45a2 | 3454 | return true; |
3b5d3310 NC |
3455 | |
3456 | symhdr = &ecoff_data (abfd)->debug_info.symbolic_header; | |
3457 | ||
3458 | /* Read in the external symbols and external strings. */ | |
2bb3687b | 3459 | if (bfd_seek (abfd, symhdr->cbExtOffset, SEEK_SET) != 0) |
0a1b45a2 | 3460 | return false; |
3b5d3310 NC |
3461 | external_ext_size = ecoff_backend (abfd)->debug_swap.external_ext_size; |
3462 | esize = symhdr->iextMax * external_ext_size; | |
2bb3687b | 3463 | external_ext = _bfd_malloc_and_read (abfd, esize, esize); |
3b5d3310 NC |
3464 | if (external_ext == NULL && esize != 0) |
3465 | goto error_return; | |
3466 | ||
2bb3687b | 3467 | if (bfd_seek (abfd, symhdr->cbSsExtOffset, SEEK_SET) != 0) |
3b5d3310 | 3468 | goto error_return; |
2bb3687b AM |
3469 | ssext = (char *) _bfd_malloc_and_read (abfd, symhdr->issExtMax, |
3470 | symhdr->issExtMax); | |
3b5d3310 NC |
3471 | if (ssext == NULL && symhdr->issExtMax != 0) |
3472 | goto error_return; | |
3473 | ||
3b5d3310 NC |
3474 | result = ecoff_link_add_externals (abfd, info, external_ext, ssext); |
3475 | ||
c9594989 AM |
3476 | free (ssext); |
3477 | free (external_ext); | |
3b5d3310 NC |
3478 | return result; |
3479 | ||
3480 | error_return: | |
c9594989 AM |
3481 | free (ssext); |
3482 | free (external_ext); | |
0a1b45a2 | 3483 | return false; |
3b5d3310 NC |
3484 | } |
3485 | ||
252b5132 RH |
3486 | /* This is called if we used _bfd_generic_link_add_archive_symbols |
3487 | because we were not dealing with an ECOFF archive. */ | |
3488 | ||
0a1b45a2 | 3489 | static bool |
3b5d3310 NC |
3490 | ecoff_link_check_archive_element (bfd *abfd, |
3491 | struct bfd_link_info *info, | |
13e570f8 AM |
3492 | struct bfd_link_hash_entry *h, |
3493 | const char *name, | |
0a1b45a2 | 3494 | bool *pneeded) |
252b5132 | 3495 | { |
0a1b45a2 | 3496 | *pneeded = false; |
252b5132 | 3497 | |
13e570f8 AM |
3498 | /* Unlike the generic linker, we do not pull in elements because |
3499 | of common symbols. */ | |
3500 | if (h->type != bfd_link_hash_undefined) | |
0a1b45a2 | 3501 | return true; |
252b5132 | 3502 | |
b95a0a31 | 3503 | /* Include this element? */ |
13e570f8 | 3504 | if (!(*info->callbacks->add_archive_element) (info, abfd, name, &abfd)) |
0a1b45a2 AM |
3505 | return true; |
3506 | *pneeded = true; | |
252b5132 | 3507 | |
13e570f8 | 3508 | return ecoff_link_add_object_symbols (abfd, info); |
252b5132 RH |
3509 | } |
3510 | ||
3b5d3310 NC |
3511 | /* Add the symbols from an archive file to the global hash table. |
3512 | This looks through the undefined symbols, looks each one up in the | |
3513 | archive hash table, and adds any associated object file. We do not | |
3514 | use _bfd_generic_link_add_archive_symbols because ECOFF archives | |
3515 | already have a hash table, so there is no reason to construct | |
3516 | another one. */ | |
252b5132 | 3517 | |
0a1b45a2 | 3518 | static bool |
3b5d3310 | 3519 | ecoff_link_add_archive_symbols (bfd *abfd, struct bfd_link_info *info) |
252b5132 | 3520 | { |
3b5d3310 NC |
3521 | const struct ecoff_backend_data * const backend = ecoff_backend (abfd); |
3522 | const bfd_byte *raw_armap; | |
3523 | struct bfd_link_hash_entry **pundef; | |
3524 | unsigned int armap_count; | |
3525 | unsigned int armap_log; | |
3526 | unsigned int i; | |
3527 | const bfd_byte *hashtable; | |
3528 | const char *stringbase; | |
252b5132 | 3529 | |
3b5d3310 NC |
3530 | if (! bfd_has_map (abfd)) |
3531 | { | |
3532 | /* An empty archive is a special case. */ | |
3533 | if (bfd_openr_next_archived_file (abfd, NULL) == NULL) | |
0a1b45a2 | 3534 | return true; |
3b5d3310 | 3535 | bfd_set_error (bfd_error_no_armap); |
0a1b45a2 | 3536 | return false; |
3b5d3310 | 3537 | } |
252b5132 | 3538 | |
3b5d3310 NC |
3539 | /* If we don't have any raw data for this archive, as can happen on |
3540 | Irix 4.0.5F, we call the generic routine. | |
3541 | FIXME: We should be more clever about this, since someday tdata | |
3542 | may get to something for a generic archive. */ | |
3543 | raw_armap = (const bfd_byte *) bfd_ardata (abfd)->tdata; | |
3544 | if (raw_armap == NULL) | |
3545 | return (_bfd_generic_link_add_archive_symbols | |
3546 | (abfd, info, ecoff_link_check_archive_element)); | |
252b5132 | 3547 | |
3b5d3310 | 3548 | armap_count = H_GET_32 (abfd, raw_armap); |
252b5132 | 3549 | |
3b5d3310 NC |
3550 | armap_log = 0; |
3551 | for (i = 1; i < armap_count; i <<= 1) | |
3552 | armap_log++; | |
3553 | BFD_ASSERT (i == armap_count); | |
252b5132 | 3554 | |
3b5d3310 NC |
3555 | hashtable = raw_armap + 4; |
3556 | stringbase = (const char *) raw_armap + armap_count * 8 + 8; | |
252b5132 | 3557 | |
3b5d3310 NC |
3558 | /* Look through the list of undefined symbols. */ |
3559 | pundef = &info->hash->undefs; | |
3560 | while (*pundef != NULL) | |
3561 | { | |
3562 | struct bfd_link_hash_entry *h; | |
1b0b5b1b | 3563 | unsigned int hash, rehash = 0; |
3b5d3310 NC |
3564 | unsigned int file_offset; |
3565 | const char *name; | |
3566 | bfd *element; | |
252b5132 | 3567 | |
3b5d3310 | 3568 | h = *pundef; |
252b5132 | 3569 | |
3b5d3310 NC |
3570 | /* When a symbol is defined, it is not necessarily removed from |
3571 | the list. */ | |
3572 | if (h->type != bfd_link_hash_undefined | |
3573 | && h->type != bfd_link_hash_common) | |
3574 | { | |
3575 | /* Remove this entry from the list, for general cleanliness | |
3576 | and because we are going to look through the list again | |
3577 | if we search any more libraries. We can't remove the | |
3578 | entry if it is the tail, because that would lose any | |
3579 | entries we add to the list later on. */ | |
3580 | if (*pundef != info->hash->undefs_tail) | |
3581 | *pundef = (*pundef)->u.undef.next; | |
3582 | else | |
3583 | pundef = &(*pundef)->u.undef.next; | |
3584 | continue; | |
3585 | } | |
252b5132 | 3586 | |
3b5d3310 NC |
3587 | /* Native ECOFF linkers do not pull in archive elements merely |
3588 | to satisfy common definitions, so neither do we. We leave | |
3589 | them on the list, though, in case we are linking against some | |
3590 | other object format. */ | |
3591 | if (h->type != bfd_link_hash_undefined) | |
3592 | { | |
3593 | pundef = &(*pundef)->u.undef.next; | |
3594 | continue; | |
3595 | } | |
252b5132 | 3596 | |
3b5d3310 NC |
3597 | /* Look for this symbol in the archive hash table. */ |
3598 | hash = ecoff_armap_hash (h->root.string, &rehash, armap_count, | |
3599 | armap_log); | |
252b5132 | 3600 | |
3b5d3310 NC |
3601 | file_offset = H_GET_32 (abfd, hashtable + (hash * 8) + 4); |
3602 | if (file_offset == 0) | |
252b5132 | 3603 | { |
3b5d3310 NC |
3604 | /* Nothing in this slot. */ |
3605 | pundef = &(*pundef)->u.undef.next; | |
3606 | continue; | |
252b5132 RH |
3607 | } |
3608 | ||
3b5d3310 NC |
3609 | name = stringbase + H_GET_32 (abfd, hashtable + (hash * 8)); |
3610 | if (name[0] != h->root.string[0] | |
3611 | || ! streq (name, h->root.string)) | |
252b5132 | 3612 | { |
3b5d3310 | 3613 | unsigned int srch; |
0a1b45a2 | 3614 | bool found; |
3b5d3310 NC |
3615 | |
3616 | /* That was the wrong symbol. Try rehashing. */ | |
0a1b45a2 | 3617 | found = false; |
3b5d3310 NC |
3618 | for (srch = (hash + rehash) & (armap_count - 1); |
3619 | srch != hash; | |
3620 | srch = (srch + rehash) & (armap_count - 1)) | |
252b5132 | 3621 | { |
3b5d3310 NC |
3622 | file_offset = H_GET_32 (abfd, hashtable + (srch * 8) + 4); |
3623 | if (file_offset == 0) | |
3624 | break; | |
3625 | name = stringbase + H_GET_32 (abfd, hashtable + (srch * 8)); | |
3626 | if (name[0] == h->root.string[0] | |
3627 | && streq (name, h->root.string)) | |
3628 | { | |
0a1b45a2 | 3629 | found = true; |
3b5d3310 NC |
3630 | break; |
3631 | } | |
252b5132 | 3632 | } |
3b5d3310 NC |
3633 | |
3634 | if (! found) | |
252b5132 | 3635 | { |
3b5d3310 NC |
3636 | pundef = &(*pundef)->u.undef.next; |
3637 | continue; | |
252b5132 | 3638 | } |
3b5d3310 NC |
3639 | |
3640 | hash = srch; | |
252b5132 RH |
3641 | } |
3642 | ||
3b5d3310 NC |
3643 | element = (*backend->get_elt_at_filepos) (abfd, (file_ptr) file_offset); |
3644 | if (element == NULL) | |
0a1b45a2 | 3645 | return false; |
252b5132 | 3646 | |
3b5d3310 | 3647 | if (! bfd_check_format (element, bfd_object)) |
0a1b45a2 | 3648 | return false; |
252b5132 | 3649 | |
3b5d3310 NC |
3650 | /* Unlike the generic linker, we know that this element provides |
3651 | a definition for an undefined symbol and we know that we want | |
3652 | to include it. We don't need to check anything. */ | |
0e144ba7 AM |
3653 | if (!(*info->callbacks |
3654 | ->add_archive_element) (info, element, name, &element)) | |
0a1b45a2 | 3655 | return false; |
0e144ba7 | 3656 | if (! ecoff_link_add_object_symbols (element, info)) |
0a1b45a2 | 3657 | return false; |
252b5132 | 3658 | |
3b5d3310 NC |
3659 | pundef = &(*pundef)->u.undef.next; |
3660 | } | |
252b5132 | 3661 | |
0a1b45a2 | 3662 | return true; |
3b5d3310 | 3663 | } |
252b5132 | 3664 | |
3b5d3310 NC |
3665 | /* Given an ECOFF BFD, add symbols to the global hash table as |
3666 | appropriate. */ | |
252b5132 | 3667 | |
0a1b45a2 | 3668 | bool |
3b5d3310 NC |
3669 | _bfd_ecoff_bfd_link_add_symbols (bfd *abfd, struct bfd_link_info *info) |
3670 | { | |
3671 | switch (bfd_get_format (abfd)) | |
3672 | { | |
3673 | case bfd_object: | |
3674 | return ecoff_link_add_object_symbols (abfd, info); | |
3675 | case bfd_archive: | |
3676 | return ecoff_link_add_archive_symbols (abfd, info); | |
3677 | default: | |
3678 | bfd_set_error (bfd_error_wrong_format); | |
0a1b45a2 | 3679 | return false; |
252b5132 | 3680 | } |
252b5132 | 3681 | } |
3b5d3310 | 3682 | |
252b5132 RH |
3683 | \f |
3684 | /* ECOFF final link routines. */ | |
3685 | ||
252b5132 RH |
3686 | /* Structure used to pass information to ecoff_link_write_external. */ |
3687 | ||
3688 | struct extsym_info | |
3689 | { | |
3690 | bfd *abfd; | |
3691 | struct bfd_link_info *info; | |
3692 | }; | |
3693 | ||
3b5d3310 NC |
3694 | /* Accumulate the debugging information for an input BFD into the |
3695 | output BFD. This must read in the symbolic information of the | |
3696 | input BFD. */ | |
252b5132 | 3697 | |
0a1b45a2 | 3698 | static bool |
3b5d3310 NC |
3699 | ecoff_final_link_debug_accumulate (bfd *output_bfd, |
3700 | bfd *input_bfd, | |
3701 | struct bfd_link_info *info, | |
3702 | void * handle) | |
252b5132 | 3703 | { |
3b5d3310 NC |
3704 | struct ecoff_debug_info * const debug = &ecoff_data (input_bfd)->debug_info; |
3705 | const struct ecoff_debug_swap * const swap = | |
3706 | &ecoff_backend (input_bfd)->debug_swap; | |
3707 | HDRR *symhdr = &debug->symbolic_header; | |
0a1b45a2 | 3708 | bool ret; |
252b5132 | 3709 | |
1f4361a7 AM |
3710 | #define READ(ptr, offset, count, size, type) \ |
3711 | do \ | |
3712 | { \ | |
3713 | size_t amt; \ | |
3714 | debug->ptr = NULL; \ | |
3715 | if (symhdr->count == 0) \ | |
3716 | break; \ | |
3717 | if (_bfd_mul_overflow (size, symhdr->count, &amt)) \ | |
3718 | { \ | |
3719 | bfd_set_error (bfd_error_file_too_big); \ | |
0a1b45a2 | 3720 | ret = false; \ |
1f4361a7 AM |
3721 | goto return_something; \ |
3722 | } \ | |
2bb3687b | 3723 | if (bfd_seek (input_bfd, symhdr->offset, SEEK_SET) != 0) \ |
1f4361a7 | 3724 | { \ |
0a1b45a2 | 3725 | ret = false; \ |
1f4361a7 AM |
3726 | goto return_something; \ |
3727 | } \ | |
2bb3687b AM |
3728 | debug->ptr = (type) _bfd_malloc_and_read (input_bfd, amt, amt); \ |
3729 | if (debug->ptr == NULL) \ | |
1f4361a7 | 3730 | { \ |
0a1b45a2 | 3731 | ret = false; \ |
1f4361a7 AM |
3732 | goto return_something; \ |
3733 | } \ | |
3734 | } while (0) | |
252b5132 | 3735 | |
3b5d3310 NC |
3736 | /* If raw_syments is not NULL, then the data was already by read by |
3737 | _bfd_ecoff_slurp_symbolic_info. */ | |
3738 | if (ecoff_data (input_bfd)->raw_syments == NULL) | |
3739 | { | |
3740 | READ (line, cbLineOffset, cbLine, sizeof (unsigned char), | |
3741 | unsigned char *); | |
3742 | READ (external_dnr, cbDnOffset, idnMax, swap->external_dnr_size, void *); | |
3743 | READ (external_pdr, cbPdOffset, ipdMax, swap->external_pdr_size, void *); | |
3744 | READ (external_sym, cbSymOffset, isymMax, swap->external_sym_size, void *); | |
3745 | READ (external_opt, cbOptOffset, ioptMax, swap->external_opt_size, void *); | |
3746 | READ (external_aux, cbAuxOffset, iauxMax, sizeof (union aux_ext), | |
3747 | union aux_ext *); | |
3748 | READ (ss, cbSsOffset, issMax, sizeof (char), char *); | |
3749 | READ (external_fdr, cbFdOffset, ifdMax, swap->external_fdr_size, void *); | |
3750 | READ (external_rfd, cbRfdOffset, crfd, swap->external_rfd_size, void *); | |
3751 | } | |
3752 | #undef READ | |
252b5132 | 3753 | |
3b5d3310 | 3754 | /* We do not read the external strings or the external symbols. */ |
252b5132 | 3755 | |
3b5d3310 NC |
3756 | ret = (bfd_ecoff_debug_accumulate |
3757 | (handle, output_bfd, &ecoff_data (output_bfd)->debug_info, | |
3758 | &ecoff_backend (output_bfd)->debug_swap, | |
3759 | input_bfd, debug, swap, info)); | |
252b5132 | 3760 | |
3b5d3310 NC |
3761 | return_something: |
3762 | if (ecoff_data (input_bfd)->raw_syments == NULL) | |
3763 | { | |
c9594989 AM |
3764 | free (debug->line); |
3765 | free (debug->external_dnr); | |
3766 | free (debug->external_pdr); | |
3767 | free (debug->external_sym); | |
3768 | free (debug->external_opt); | |
3769 | free (debug->external_aux); | |
3770 | free (debug->ss); | |
3771 | free (debug->external_fdr); | |
3772 | free (debug->external_rfd); | |
252b5132 | 3773 | |
3b5d3310 NC |
3774 | /* Make sure we don't accidentally follow one of these pointers |
3775 | into freed memory. */ | |
3776 | debug->line = NULL; | |
3777 | debug->external_dnr = NULL; | |
3778 | debug->external_pdr = NULL; | |
3779 | debug->external_sym = NULL; | |
3780 | debug->external_opt = NULL; | |
3781 | debug->external_aux = NULL; | |
3782 | debug->ss = NULL; | |
3783 | debug->external_fdr = NULL; | |
3784 | debug->external_rfd = NULL; | |
252b5132 RH |
3785 | } |
3786 | ||
3b5d3310 NC |
3787 | return ret; |
3788 | } | |
3789 | ||
3790 | /* Relocate and write an ECOFF section into an ECOFF output file. */ | |
3791 | ||
0a1b45a2 | 3792 | static bool |
3b5d3310 NC |
3793 | ecoff_indirect_link_order (bfd *output_bfd, |
3794 | struct bfd_link_info *info, | |
3795 | asection *output_section, | |
3796 | struct bfd_link_order *link_order) | |
3797 | { | |
3798 | asection *input_section; | |
3799 | bfd *input_bfd; | |
3800 | bfd_byte *contents = NULL; | |
3801 | bfd_size_type external_reloc_size; | |
3802 | bfd_size_type external_relocs_size; | |
3803 | void * external_relocs = NULL; | |
3804 | ||
3805 | BFD_ASSERT ((output_section->flags & SEC_HAS_CONTENTS) != 0); | |
3806 | ||
3b5d3310 NC |
3807 | input_section = link_order->u.indirect.section; |
3808 | input_bfd = input_section->owner; | |
44da2da1 | 3809 | if (input_section->size == 0) |
0a1b45a2 | 3810 | return true; |
3b5d3310 NC |
3811 | |
3812 | BFD_ASSERT (input_section->output_section == output_section); | |
3813 | BFD_ASSERT (input_section->output_offset == link_order->offset); | |
3814 | BFD_ASSERT (input_section->size == link_order->size); | |
3815 | ||
3816 | /* Get the section contents. */ | |
3817 | if (!bfd_malloc_and_get_section (input_bfd, input_section, &contents)) | |
3818 | goto error_return; | |
3819 | ||
3820 | /* Get the relocs. If we are relaxing MIPS code, they will already | |
3821 | have been read in. Otherwise, we read them in now. */ | |
3822 | external_reloc_size = ecoff_backend (input_bfd)->external_reloc_size; | |
3823 | external_relocs_size = external_reloc_size * input_section->reloc_count; | |
3824 | ||
2bb3687b | 3825 | if (bfd_seek (input_bfd, input_section->rel_filepos, SEEK_SET) != 0) |
3b5d3310 | 3826 | goto error_return; |
2bb3687b AM |
3827 | external_relocs = _bfd_malloc_and_read (input_bfd, external_relocs_size, |
3828 | external_relocs_size); | |
3829 | if (external_relocs == NULL && external_relocs_size != 0) | |
3b5d3310 NC |
3830 | goto error_return; |
3831 | ||
3832 | /* Relocate the section contents. */ | |
3833 | if (! ((*ecoff_backend (input_bfd)->relocate_section) | |
3834 | (output_bfd, info, input_bfd, input_section, contents, | |
3835 | external_relocs))) | |
3836 | goto error_return; | |
3837 | ||
3838 | /* Write out the relocated section. */ | |
3839 | if (! bfd_set_section_contents (output_bfd, | |
3840 | output_section, | |
3841 | contents, | |
3842 | input_section->output_offset, | |
3843 | input_section->size)) | |
3844 | goto error_return; | |
252b5132 | 3845 | |
3b5d3310 NC |
3846 | /* If we are producing relocatable output, the relocs were |
3847 | modified, and we write them out now. We use the reloc_count | |
3848 | field of output_section to keep track of the number of relocs we | |
3849 | have output so far. */ | |
0e1862bb | 3850 | if (bfd_link_relocatable (info)) |
252b5132 | 3851 | { |
3b5d3310 NC |
3852 | file_ptr pos = (output_section->rel_filepos |
3853 | + output_section->reloc_count * external_reloc_size); | |
3854 | if (bfd_seek (output_bfd, pos, SEEK_SET) != 0 | |
3855 | || (bfd_bwrite (external_relocs, external_relocs_size, output_bfd) | |
3856 | != external_relocs_size)) | |
3857 | goto error_return; | |
3858 | output_section->reloc_count += input_section->reloc_count; | |
252b5132 RH |
3859 | } |
3860 | ||
c9594989 AM |
3861 | free (contents); |
3862 | free (external_relocs); | |
0a1b45a2 | 3863 | return true; |
252b5132 | 3864 | |
3b5d3310 | 3865 | error_return: |
c9594989 AM |
3866 | free (contents); |
3867 | free (external_relocs); | |
0a1b45a2 | 3868 | return false; |
3b5d3310 | 3869 | } |
252b5132 | 3870 | |
3b5d3310 NC |
3871 | /* Generate a reloc when linking an ECOFF file. This is a reloc |
3872 | requested by the linker, and does come from any input file. This | |
3873 | is used to build constructor and destructor tables when linking | |
3874 | with -Ur. */ | |
252b5132 | 3875 | |
0a1b45a2 | 3876 | static bool |
3b5d3310 NC |
3877 | ecoff_reloc_link_order (bfd *output_bfd, |
3878 | struct bfd_link_info *info, | |
3879 | asection *output_section, | |
3880 | struct bfd_link_order *link_order) | |
3881 | { | |
3882 | enum bfd_link_order_type type; | |
3883 | asection *section; | |
3884 | bfd_vma addend; | |
3885 | arelent rel; | |
3886 | struct internal_reloc in; | |
3887 | bfd_size_type external_reloc_size; | |
3888 | bfd_byte *rbuf; | |
0a1b45a2 | 3889 | bool ok; |
3b5d3310 NC |
3890 | file_ptr pos; |
3891 | ||
3892 | type = link_order->type; | |
3893 | section = NULL; | |
3894 | addend = link_order->u.reloc.p->addend; | |
3895 | ||
3896 | /* We set up an arelent to pass to the backend adjust_reloc_out | |
3897 | routine. */ | |
3898 | rel.address = link_order->offset; | |
3899 | ||
3900 | rel.howto = bfd_reloc_type_lookup (output_bfd, link_order->u.reloc.p->reloc); | |
3901 | if (rel.howto == 0) | |
252b5132 | 3902 | { |
3b5d3310 | 3903 | bfd_set_error (bfd_error_bad_value); |
0a1b45a2 | 3904 | return false; |
252b5132 RH |
3905 | } |
3906 | ||
3b5d3310 NC |
3907 | if (type == bfd_section_reloc_link_order) |
3908 | { | |
3909 | section = link_order->u.reloc.p->u.section; | |
3910 | rel.sym_ptr_ptr = section->symbol_ptr_ptr; | |
3911 | } | |
3912 | else | |
252b5132 RH |
3913 | { |
3914 | struct bfd_link_hash_entry *h; | |
3915 | ||
3b5d3310 | 3916 | /* Treat a reloc against a defined symbol as though it were |
07d6d2b8 | 3917 | actually against the section. */ |
3b5d3310 NC |
3918 | h = bfd_wrapped_link_hash_lookup (output_bfd, info, |
3919 | link_order->u.reloc.p->u.name, | |
0a1b45a2 | 3920 | false, false, false); |
3b5d3310 NC |
3921 | if (h != NULL |
3922 | && (h->type == bfd_link_hash_defined | |
3923 | || h->type == bfd_link_hash_defweak)) | |
252b5132 | 3924 | { |
3b5d3310 NC |
3925 | type = bfd_section_reloc_link_order; |
3926 | section = h->u.def.section->output_section; | |
3927 | /* It seems that we ought to add the symbol value to the | |
07d6d2b8 AM |
3928 | addend here, but in practice it has already been added |
3929 | because it was passed to constructor_callback. */ | |
3b5d3310 | 3930 | addend += section->vma + h->u.def.section->output_offset; |
252b5132 RH |
3931 | } |
3932 | else | |
3933 | { | |
3b5d3310 NC |
3934 | /* We can't set up a reloc against a symbol correctly, |
3935 | because we have no asymbol structure. Currently no | |
3936 | adjust_reloc_out routine cares. */ | |
3937 | rel.sym_ptr_ptr = NULL; | |
3938 | } | |
3939 | } | |
3940 | ||
3941 | /* All ECOFF relocs are in-place. Put the addend into the object | |
3942 | file. */ | |
3943 | ||
3944 | BFD_ASSERT (rel.howto->partial_inplace); | |
3945 | if (addend != 0) | |
3946 | { | |
3947 | bfd_size_type size; | |
3948 | bfd_reloc_status_type rstat; | |
3949 | bfd_byte *buf; | |
3950 | ||
3951 | size = bfd_get_reloc_size (rel.howto); | |
21d799b5 | 3952 | buf = (bfd_byte *) bfd_zmalloc (size); |
6346d5ca | 3953 | if (buf == NULL && size != 0) |
0a1b45a2 | 3954 | return false; |
3b5d3310 NC |
3955 | rstat = _bfd_relocate_contents (rel.howto, output_bfd, |
3956 | (bfd_vma) addend, buf); | |
3957 | switch (rstat) | |
3958 | { | |
3959 | case bfd_reloc_ok: | |
3960 | break; | |
3961 | default: | |
3962 | case bfd_reloc_outofrange: | |
3963 | abort (); | |
3964 | case bfd_reloc_overflow: | |
1a72702b AM |
3965 | (*info->callbacks->reloc_overflow) |
3966 | (info, NULL, | |
3967 | (link_order->type == bfd_section_reloc_link_order | |
fd361982 | 3968 | ? bfd_section_name (section) |
1a72702b AM |
3969 | : link_order->u.reloc.p->u.name), |
3970 | rel.howto->name, addend, NULL, NULL, (bfd_vma) 0); | |
3b5d3310 | 3971 | break; |
252b5132 | 3972 | } |
3b5d3310 NC |
3973 | ok = bfd_set_section_contents (output_bfd, output_section, (void *) buf, |
3974 | (file_ptr) link_order->offset, size); | |
3975 | free (buf); | |
3976 | if (! ok) | |
0a1b45a2 | 3977 | return false; |
252b5132 RH |
3978 | } |
3979 | ||
3b5d3310 NC |
3980 | rel.addend = 0; |
3981 | ||
3982 | /* Move the information into an internal_reloc structure. */ | |
fd361982 | 3983 | in.r_vaddr = rel.address + bfd_section_vma (output_section); |
3b5d3310 NC |
3984 | in.r_type = rel.howto->type; |
3985 | ||
3986 | if (type == bfd_symbol_reloc_link_order) | |
252b5132 | 3987 | { |
3b5d3310 NC |
3988 | struct ecoff_link_hash_entry *h; |
3989 | ||
3990 | h = ((struct ecoff_link_hash_entry *) | |
3991 | bfd_wrapped_link_hash_lookup (output_bfd, info, | |
3992 | link_order->u.reloc.p->u.name, | |
0a1b45a2 | 3993 | false, false, true)); |
3b5d3310 NC |
3994 | if (h != NULL |
3995 | && h->indx != -1) | |
3996 | in.r_symndx = h->indx; | |
3997 | else | |
252b5132 | 3998 | { |
1a72702b AM |
3999 | (*info->callbacks->unattached_reloc) |
4000 | (info, link_order->u.reloc.p->u.name, NULL, NULL, (bfd_vma) 0); | |
3b5d3310 | 4001 | in.r_symndx = 0; |
252b5132 | 4002 | } |
3b5d3310 | 4003 | in.r_extern = 1; |
252b5132 | 4004 | } |
3b5d3310 NC |
4005 | else |
4006 | { | |
4007 | const char *name; | |
4008 | unsigned int i; | |
4009 | static struct | |
4010 | { | |
4011 | const char * name; | |
4012 | long r_symndx; | |
4013 | } | |
4014 | section_symndx [] = | |
4015 | { | |
4016 | { _TEXT, RELOC_SECTION_TEXT }, | |
4017 | { _RDATA, RELOC_SECTION_RDATA }, | |
4018 | { _DATA, RELOC_SECTION_DATA }, | |
4019 | { _SDATA, RELOC_SECTION_SDATA }, | |
4020 | { _SBSS, RELOC_SECTION_SBSS }, | |
4021 | { _BSS, RELOC_SECTION_BSS }, | |
4022 | { _INIT, RELOC_SECTION_INIT }, | |
4023 | { _LIT8, RELOC_SECTION_LIT8 }, | |
4024 | { _LIT4, RELOC_SECTION_LIT4 }, | |
4025 | { _XDATA, RELOC_SECTION_XDATA }, | |
4026 | { _PDATA, RELOC_SECTION_PDATA }, | |
4027 | { _FINI, RELOC_SECTION_FINI }, | |
4028 | { _LITA, RELOC_SECTION_LITA }, | |
4029 | { "*ABS*", RELOC_SECTION_ABS }, | |
4030 | { _RCONST, RELOC_SECTION_RCONST } | |
4031 | }; | |
252b5132 | 4032 | |
fd361982 | 4033 | name = bfd_section_name (section); |
252b5132 | 4034 | |
3b5d3310 NC |
4035 | for (i = 0; i < ARRAY_SIZE (section_symndx); i++) |
4036 | if (streq (name, section_symndx[i].name)) | |
4037 | { | |
4038 | in.r_symndx = section_symndx[i].r_symndx; | |
4039 | break; | |
4040 | } | |
252b5132 | 4041 | |
3b5d3310 NC |
4042 | if (i == ARRAY_SIZE (section_symndx)) |
4043 | abort (); | |
252b5132 | 4044 | |
3b5d3310 | 4045 | in.r_extern = 0; |
252b5132 RH |
4046 | } |
4047 | ||
3b5d3310 NC |
4048 | /* Let the BFD backend adjust the reloc. */ |
4049 | (*ecoff_backend (output_bfd)->adjust_reloc_out) (output_bfd, &rel, &in); | |
252b5132 | 4050 | |
3b5d3310 NC |
4051 | /* Get some memory and swap out the reloc. */ |
4052 | external_reloc_size = ecoff_backend (output_bfd)->external_reloc_size; | |
21d799b5 | 4053 | rbuf = (bfd_byte *) bfd_malloc (external_reloc_size); |
3b5d3310 | 4054 | if (rbuf == NULL) |
0a1b45a2 | 4055 | return false; |
252b5132 | 4056 | |
3b5d3310 | 4057 | (*ecoff_backend (output_bfd)->swap_reloc_out) (output_bfd, &in, (void *) rbuf); |
252b5132 | 4058 | |
3b5d3310 NC |
4059 | pos = (output_section->rel_filepos |
4060 | + output_section->reloc_count * external_reloc_size); | |
4061 | ok = (bfd_seek (output_bfd, pos, SEEK_SET) == 0 | |
4062 | && (bfd_bwrite ((void *) rbuf, external_reloc_size, output_bfd) | |
4063 | == external_reloc_size)); | |
252b5132 | 4064 | |
3b5d3310 NC |
4065 | if (ok) |
4066 | ++output_section->reloc_count; | |
252b5132 | 4067 | |
3b5d3310 NC |
4068 | free (rbuf); |
4069 | ||
4070 | return ok; | |
252b5132 RH |
4071 | } |
4072 | ||
4073 | /* Put out information for an external symbol. These come only from | |
4074 | the hash table. */ | |
4075 | ||
0a1b45a2 | 4076 | static bool |
7686d77d | 4077 | ecoff_link_write_external (struct bfd_hash_entry *bh, void * data) |
252b5132 | 4078 | { |
7686d77d | 4079 | struct ecoff_link_hash_entry *h = (struct ecoff_link_hash_entry *) bh; |
252b5132 RH |
4080 | struct extsym_info *einfo = (struct extsym_info *) data; |
4081 | bfd *output_bfd = einfo->abfd; | |
0a1b45a2 | 4082 | bool strip; |
252b5132 | 4083 | |
e92d460e AM |
4084 | if (h->root.type == bfd_link_hash_warning) |
4085 | { | |
4086 | h = (struct ecoff_link_hash_entry *) h->root.u.i.link; | |
4087 | if (h->root.type == bfd_link_hash_new) | |
0a1b45a2 | 4088 | return true; |
e92d460e AM |
4089 | } |
4090 | ||
1abaf976 | 4091 | /* We need to check if this symbol is being stripped. */ |
252b5132 RH |
4092 | if (h->root.type == bfd_link_hash_undefined |
4093 | || h->root.type == bfd_link_hash_undefweak) | |
0a1b45a2 | 4094 | strip = false; |
252b5132 RH |
4095 | else if (einfo->info->strip == strip_all |
4096 | || (einfo->info->strip == strip_some | |
4097 | && bfd_hash_lookup (einfo->info->keep_hash, | |
4098 | h->root.root.string, | |
0a1b45a2 AM |
4099 | false, false) == NULL)) |
4100 | strip = true; | |
252b5132 | 4101 | else |
0a1b45a2 | 4102 | strip = false; |
252b5132 RH |
4103 | |
4104 | if (strip || h->written) | |
0a1b45a2 | 4105 | return true; |
252b5132 | 4106 | |
3b5d3310 | 4107 | if (h->abfd == NULL) |
252b5132 RH |
4108 | { |
4109 | h->esym.jmptbl = 0; | |
4110 | h->esym.cobol_main = 0; | |
4111 | h->esym.weakext = 0; | |
4112 | h->esym.reserved = 0; | |
4113 | h->esym.ifd = ifdNil; | |
4114 | h->esym.asym.value = 0; | |
4115 | h->esym.asym.st = stGlobal; | |
4116 | ||
4117 | if (h->root.type != bfd_link_hash_defined | |
4118 | && h->root.type != bfd_link_hash_defweak) | |
4119 | h->esym.asym.sc = scAbs; | |
4120 | else | |
4121 | { | |
4122 | asection *output_section; | |
4123 | const char *name; | |
3b5d3310 NC |
4124 | unsigned int i; |
4125 | static struct | |
4126 | { | |
4127 | const char * name; | |
4128 | int sc; | |
4129 | } | |
4130 | section_storage_classes [] = | |
4131 | { | |
4132 | { _TEXT, scText }, | |
4133 | { _DATA, scData }, | |
4134 | { _SDATA, scSData }, | |
4135 | { _RDATA, scRData }, | |
4136 | { _BSS, scBss }, | |
4137 | { _SBSS, scSBss }, | |
4138 | { _INIT, scInit }, | |
4139 | { _FINI, scFini }, | |
4140 | { _PDATA, scPData }, | |
4141 | { _XDATA, scXData }, | |
4142 | { _RCONST, scRConst } | |
4143 | }; | |
252b5132 RH |
4144 | |
4145 | output_section = h->root.u.def.section->output_section; | |
fd361982 | 4146 | name = bfd_section_name (output_section); |
1abaf976 | 4147 | |
3b5d3310 NC |
4148 | for (i = 0; i < ARRAY_SIZE (section_storage_classes); i++) |
4149 | if (streq (name, section_storage_classes[i].name)) | |
4150 | { | |
4151 | h->esym.asym.sc = section_storage_classes[i].sc; | |
4152 | break; | |
4153 | } | |
4154 | ||
4155 | if (i == ARRAY_SIZE (section_storage_classes)) | |
252b5132 RH |
4156 | h->esym.asym.sc = scAbs; |
4157 | } | |
4158 | ||
4159 | h->esym.asym.reserved = 0; | |
4160 | h->esym.asym.index = indexNil; | |
4161 | } | |
4162 | else if (h->esym.ifd != -1) | |
4163 | { | |
4164 | struct ecoff_debug_info *debug; | |
4165 | ||
4166 | /* Adjust the FDR index for the symbol by that used for the | |
4167 | input BFD. */ | |
4168 | debug = &ecoff_data (h->abfd)->debug_info; | |
4169 | BFD_ASSERT (h->esym.ifd >= 0 | |
4170 | && h->esym.ifd < debug->symbolic_header.ifdMax); | |
4171 | h->esym.ifd = debug->ifdmap[h->esym.ifd]; | |
4172 | } | |
4173 | ||
4174 | switch (h->root.type) | |
4175 | { | |
4176 | default: | |
e92d460e | 4177 | case bfd_link_hash_warning: |
252b5132 RH |
4178 | case bfd_link_hash_new: |
4179 | abort (); | |
4180 | case bfd_link_hash_undefined: | |
4181 | case bfd_link_hash_undefweak: | |
4182 | if (h->esym.asym.sc != scUndefined | |
4183 | && h->esym.asym.sc != scSUndefined) | |
4184 | h->esym.asym.sc = scUndefined; | |
4185 | break; | |
4186 | case bfd_link_hash_defined: | |
4187 | case bfd_link_hash_defweak: | |
4188 | if (h->esym.asym.sc == scUndefined | |
4189 | || h->esym.asym.sc == scSUndefined) | |
4190 | h->esym.asym.sc = scAbs; | |
4191 | else if (h->esym.asym.sc == scCommon) | |
4192 | h->esym.asym.sc = scBss; | |
4193 | else if (h->esym.asym.sc == scSCommon) | |
4194 | h->esym.asym.sc = scSBss; | |
4195 | h->esym.asym.value = (h->root.u.def.value | |
4196 | + h->root.u.def.section->output_section->vma | |
4197 | + h->root.u.def.section->output_offset); | |
4198 | break; | |
4199 | case bfd_link_hash_common: | |
4200 | if (h->esym.asym.sc != scCommon | |
4201 | && h->esym.asym.sc != scSCommon) | |
4202 | h->esym.asym.sc = scCommon; | |
4203 | h->esym.asym.value = h->root.u.c.size; | |
4204 | break; | |
4205 | case bfd_link_hash_indirect: | |
e92d460e AM |
4206 | /* We ignore these symbols, since the indirected symbol is |
4207 | already in the hash table. */ | |
0a1b45a2 | 4208 | return true; |
252b5132 RH |
4209 | } |
4210 | ||
4211 | /* bfd_ecoff_debug_one_external uses iextMax to keep track of the | |
4212 | symbol number. */ | |
4213 | h->indx = ecoff_data (output_bfd)->debug_info.symbolic_header.iextMax; | |
4214 | h->written = 1; | |
4215 | ||
4216 | return (bfd_ecoff_debug_one_external | |
4217 | (output_bfd, &ecoff_data (output_bfd)->debug_info, | |
4218 | &ecoff_backend (output_bfd)->debug_swap, h->root.root.string, | |
4219 | &h->esym)); | |
4220 | } | |
4221 | ||
3b5d3310 NC |
4222 | /* ECOFF final link routine. This looks through all the input BFDs |
4223 | and gathers together all the debugging information, and then | |
4224 | processes all the link order information. This may cause it to | |
4225 | close and reopen some input BFDs; I'll see how bad this is. */ | |
252b5132 | 4226 | |
0a1b45a2 | 4227 | bool |
3b5d3310 | 4228 | _bfd_ecoff_bfd_final_link (bfd *abfd, struct bfd_link_info *info) |
252b5132 | 4229 | { |
3b5d3310 NC |
4230 | const struct ecoff_backend_data * const backend = ecoff_backend (abfd); |
4231 | struct ecoff_debug_info * const debug = &ecoff_data (abfd)->debug_info; | |
4232 | HDRR *symhdr; | |
4233 | void * handle; | |
252b5132 | 4234 | bfd *input_bfd; |
3b5d3310 NC |
4235 | asection *o; |
4236 | struct bfd_link_order *p; | |
4237 | struct extsym_info einfo; | |
252b5132 | 4238 | |
3b5d3310 NC |
4239 | /* We accumulate the debugging information counts in the symbolic |
4240 | header. */ | |
4241 | symhdr = &debug->symbolic_header; | |
4242 | symhdr->vstamp = 0; | |
4243 | symhdr->ilineMax = 0; | |
4244 | symhdr->cbLine = 0; | |
4245 | symhdr->idnMax = 0; | |
4246 | symhdr->ipdMax = 0; | |
4247 | symhdr->isymMax = 0; | |
4248 | symhdr->ioptMax = 0; | |
4249 | symhdr->iauxMax = 0; | |
4250 | symhdr->issMax = 0; | |
4251 | symhdr->issExtMax = 0; | |
4252 | symhdr->ifdMax = 0; | |
4253 | symhdr->crfd = 0; | |
4254 | symhdr->iextMax = 0; | |
252b5132 | 4255 | |
3b5d3310 NC |
4256 | /* We accumulate the debugging information itself in the debug_info |
4257 | structure. */ | |
4258 | debug->line = NULL; | |
4259 | debug->external_dnr = NULL; | |
4260 | debug->external_pdr = NULL; | |
4261 | debug->external_sym = NULL; | |
4262 | debug->external_opt = NULL; | |
4263 | debug->external_aux = NULL; | |
4264 | debug->ss = NULL; | |
4265 | debug->ssext = debug->ssext_end = NULL; | |
4266 | debug->external_fdr = NULL; | |
4267 | debug->external_rfd = NULL; | |
4268 | debug->external_ext = debug->external_ext_end = NULL; | |
252b5132 | 4269 | |
3b5d3310 NC |
4270 | handle = bfd_ecoff_debug_init (abfd, debug, &backend->debug_swap, info); |
4271 | if (handle == NULL) | |
0a1b45a2 | 4272 | return false; |
252b5132 | 4273 | |
3b5d3310 NC |
4274 | /* Accumulate the debugging symbols from each input BFD. */ |
4275 | for (input_bfd = info->input_bfds; | |
4276 | input_bfd != NULL; | |
c72f2fb2 | 4277 | input_bfd = input_bfd->link.next) |
3b5d3310 | 4278 | { |
0a1b45a2 | 4279 | bool ret; |
252b5132 | 4280 | |
3b5d3310 NC |
4281 | if (bfd_get_flavour (input_bfd) == bfd_target_ecoff_flavour) |
4282 | { | |
4283 | /* Arbitrarily set the symbolic header vstamp to the vstamp | |
4284 | of the first object file in the link. */ | |
4285 | if (symhdr->vstamp == 0) | |
4286 | symhdr->vstamp | |
4287 | = ecoff_data (input_bfd)->debug_info.symbolic_header.vstamp; | |
4288 | ret = ecoff_final_link_debug_accumulate (abfd, input_bfd, info, | |
4289 | handle); | |
4290 | } | |
4291 | else | |
4292 | ret = bfd_ecoff_debug_accumulate_other (handle, abfd, | |
4293 | debug, &backend->debug_swap, | |
4294 | input_bfd, info); | |
4295 | if (! ret) | |
0a1b45a2 | 4296 | return false; |
252b5132 | 4297 | |
3b5d3310 NC |
4298 | /* Combine the register masks. */ |
4299 | ecoff_data (abfd)->gprmask |= ecoff_data (input_bfd)->gprmask; | |
4300 | ecoff_data (abfd)->fprmask |= ecoff_data (input_bfd)->fprmask; | |
4301 | ecoff_data (abfd)->cprmask[0] |= ecoff_data (input_bfd)->cprmask[0]; | |
4302 | ecoff_data (abfd)->cprmask[1] |= ecoff_data (input_bfd)->cprmask[1]; | |
4303 | ecoff_data (abfd)->cprmask[2] |= ecoff_data (input_bfd)->cprmask[2]; | |
4304 | ecoff_data (abfd)->cprmask[3] |= ecoff_data (input_bfd)->cprmask[3]; | |
4305 | } | |
252b5132 | 4306 | |
3b5d3310 NC |
4307 | /* Write out the external symbols. */ |
4308 | einfo.abfd = abfd; | |
4309 | einfo.info = info; | |
7686d77d | 4310 | bfd_hash_traverse (&info->hash->table, ecoff_link_write_external, &einfo); |
252b5132 | 4311 | |
0e1862bb | 4312 | if (bfd_link_relocatable (info)) |
252b5132 | 4313 | { |
3b5d3310 NC |
4314 | /* We need to make a pass over the link_orders to count up the |
4315 | number of relocations we will need to output, so that we know | |
4316 | how much space they will take up. */ | |
4317 | for (o = abfd->sections; o != NULL; o = o->next) | |
4318 | { | |
4319 | o->reloc_count = 0; | |
8423293d | 4320 | for (p = o->map_head.link_order; |
3b5d3310 NC |
4321 | p != NULL; |
4322 | p = p->next) | |
4323 | if (p->type == bfd_indirect_link_order) | |
4324 | o->reloc_count += p->u.indirect.section->reloc_count; | |
4325 | else if (p->type == bfd_section_reloc_link_order | |
4326 | || p->type == bfd_symbol_reloc_link_order) | |
4327 | ++o->reloc_count; | |
4328 | } | |
252b5132 RH |
4329 | } |
4330 | ||
3b5d3310 NC |
4331 | /* Compute the reloc and symbol file positions. */ |
4332 | ecoff_compute_reloc_file_positions (abfd); | |
252b5132 | 4333 | |
3b5d3310 NC |
4334 | /* Write out the debugging information. */ |
4335 | if (! bfd_ecoff_write_accumulated_debug (handle, abfd, debug, | |
4336 | &backend->debug_swap, info, | |
4337 | ecoff_data (abfd)->sym_filepos)) | |
0a1b45a2 | 4338 | return false; |
252b5132 | 4339 | |
3b5d3310 | 4340 | bfd_ecoff_debug_free (handle, abfd, debug, &backend->debug_swap, info); |
252b5132 | 4341 | |
0e1862bb | 4342 | if (bfd_link_relocatable (info)) |
252b5132 | 4343 | { |
3b5d3310 NC |
4344 | /* Now reset the reloc_count field of the sections in the output |
4345 | BFD to 0, so that we can use them to keep track of how many | |
4346 | relocs we have output thus far. */ | |
4347 | for (o = abfd->sections; o != NULL; o = o->next) | |
4348 | o->reloc_count = 0; | |
252b5132 RH |
4349 | } |
4350 | ||
3b5d3310 NC |
4351 | /* Get a value for the GP register. */ |
4352 | if (ecoff_data (abfd)->gp == 0) | |
252b5132 RH |
4353 | { |
4354 | struct bfd_link_hash_entry *h; | |
4355 | ||
0a1b45a2 | 4356 | h = bfd_link_hash_lookup (info->hash, "_gp", false, false, true); |
252b5132 | 4357 | if (h != NULL |
3b5d3310 NC |
4358 | && h->type == bfd_link_hash_defined) |
4359 | ecoff_data (abfd)->gp = (h->u.def.value | |
4360 | + h->u.def.section->output_section->vma | |
4361 | + h->u.def.section->output_offset); | |
0e1862bb | 4362 | else if (bfd_link_relocatable (info)) |
252b5132 | 4363 | { |
3b5d3310 NC |
4364 | bfd_vma lo; |
4365 | ||
4366 | /* Make up a value. */ | |
4367 | lo = (bfd_vma) -1; | |
4368 | for (o = abfd->sections; o != NULL; o = o->next) | |
4369 | { | |
4370 | if (o->vma < lo | |
4371 | && (streq (o->name, _SBSS) | |
4372 | || streq (o->name, _SDATA) | |
4373 | || streq (o->name, _LIT4) | |
4374 | || streq (o->name, _LIT8) | |
4375 | || streq (o->name, _LITA))) | |
4376 | lo = o->vma; | |
4377 | } | |
4378 | ecoff_data (abfd)->gp = lo + 0x8000; | |
252b5132 RH |
4379 | } |
4380 | else | |
4381 | { | |
3b5d3310 NC |
4382 | /* If the relocate_section function needs to do a reloc |
4383 | involving the GP value, it should make a reloc_dangerous | |
4384 | callback to warn that GP is not defined. */ | |
252b5132 RH |
4385 | } |
4386 | } | |
4387 | ||
3b5d3310 | 4388 | for (o = abfd->sections; o != NULL; o = o->next) |
252b5132 | 4389 | { |
8423293d | 4390 | for (p = o->map_head.link_order; |
3b5d3310 NC |
4391 | p != NULL; |
4392 | p = p->next) | |
252b5132 | 4393 | { |
3b5d3310 NC |
4394 | if (p->type == bfd_indirect_link_order |
4395 | && (bfd_get_flavour (p->u.indirect.section->owner) | |
4396 | == bfd_target_ecoff_flavour)) | |
252b5132 | 4397 | { |
3b5d3310 | 4398 | if (! ecoff_indirect_link_order (abfd, info, o, p)) |
0a1b45a2 | 4399 | return false; |
3b5d3310 NC |
4400 | } |
4401 | else if (p->type == bfd_section_reloc_link_order | |
4402 | || p->type == bfd_symbol_reloc_link_order) | |
4403 | { | |
4404 | if (! ecoff_reloc_link_order (abfd, info, o, p)) | |
0a1b45a2 | 4405 | return false; |
3b5d3310 NC |
4406 | } |
4407 | else | |
4408 | { | |
4409 | if (! _bfd_default_link_order (abfd, info, o, p)) | |
0a1b45a2 | 4410 | return false; |
252b5132 | 4411 | } |
252b5132 | 4412 | } |
252b5132 RH |
4413 | } |
4414 | ||
ed48ec2e | 4415 | abfd->symcount = symhdr->iextMax + symhdr->isymMax; |
252b5132 | 4416 | |
0a1b45a2 | 4417 | ecoff_data (abfd)->linker = true; |
252b5132 | 4418 | |
0a1b45a2 | 4419 | return true; |
252b5132 | 4420 | } |