Commit | Line | Data |
---|---|---|
252b5132 | 1 | /* Generic ECOFF (Extended-COFF) routines. |
544008aa | 2 | Copyright 1990-2013 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" | |
27 | #include "aout/ar.h" | |
252b5132 RH |
28 | #include "aout/stab_gnu.h" |
29 | ||
30 | /* FIXME: We need the definitions of N_SET[ADTB], but aout64.h defines | |
31 | some other stuff which we don't want and which conflicts with stuff | |
32 | we do want. */ | |
33 | #include "libaout.h" | |
34 | #include "aout/aout64.h" | |
35 | #undef N_ABS | |
36 | #undef exec_hdr | |
37 | #undef obj_sym_filepos | |
38 | ||
39 | #include "coff/internal.h" | |
40 | #include "coff/sym.h" | |
41 | #include "coff/symconst.h" | |
42 | #include "coff/ecoff.h" | |
43 | #include "libcoff.h" | |
44 | #include "libecoff.h" | |
3b5d3310 NC |
45 | #include "libiberty.h" |
46 | ||
47 | #define streq(a, b) (strcmp ((a), (b)) == 0) | |
48 | #define strneq(a, b, n) (strncmp ((a), (b), (n)) == 0) | |
49 | ||
252b5132 RH |
50 | \f |
51 | /* This stuff is somewhat copied from coffcode.h. */ | |
5f771d47 ILT |
52 | static asection bfd_debug_section = |
53 | { | |
5daa8fe7 L |
54 | /* name, id, index, next, prev, flags, user_set_vma, */ |
55 | "*DEBUG*", 0, 0, NULL, NULL, 0, 0, | |
4a114e3e | 56 | /* linker_mark, linker_has_input, gc_mark, compress_status, */ |
b0dddeec | 57 | 0, 0, 1, 0, |
4a114e3e L |
58 | /* segment_mark, sec_info_type, use_rela_p, */ |
59 | 0, 0, 0, | |
b0dddeec AM |
60 | /* sec_flg0, sec_flg1, sec_flg2, sec_flg3, sec_flg4, sec_flg5, */ |
61 | 0, 0, 0, 0, 0, 0, | |
4a114e3e L |
62 | /* vma, lma, size, rawsize, compressed_size, relax, relax_count, */ |
63 | 0, 0, 0, 0, 0, 0, 0, | |
d1778b88 AM |
64 | /* output_offset, output_section, alignment_power, */ |
65 | 0, NULL, 0, | |
51d7ee16 | 66 | /* relocation, orelocation, reloc_count, filepos, rel_filepos, */ |
062e2358 | 67 | NULL, NULL, 0, 0, 0, |
51d7ee16 NC |
68 | /* line_filepos, userdata, contents, lineno, lineno_count, */ |
69 | 0, NULL, NULL, NULL, 0, | |
39c2f51b | 70 | /* entsize, kept_section, moving_line_filepos, */ |
082b7297 | 71 | 0, NULL, 0, |
062e2358 AM |
72 | /* target_index, used_by_bfd, constructor_chain, owner, */ |
73 | 0, NULL, NULL, NULL, | |
51d7ee16 | 74 | /* symbol, */ |
3b5d3310 | 75 | NULL, |
51d7ee16 | 76 | /* symbol_ptr_ptr, */ |
3b5d3310 | 77 | NULL, |
8423293d AM |
78 | /* map_head, map_tail */ |
79 | { NULL }, { NULL } | |
5f771d47 | 80 | }; |
252b5132 RH |
81 | |
82 | /* Create an ECOFF object. */ | |
83 | ||
b34976b6 | 84 | bfd_boolean |
3b5d3310 | 85 | _bfd_ecoff_mkobject (bfd *abfd) |
252b5132 | 86 | { |
dc810e39 | 87 | bfd_size_type amt = sizeof (ecoff_data_type); |
b0ac09d2 | 88 | |
21d799b5 | 89 | abfd->tdata.ecoff_obj_data = (struct ecoff_tdata *) bfd_zalloc (abfd, amt); |
252b5132 | 90 | if (abfd->tdata.ecoff_obj_data == NULL) |
b34976b6 | 91 | return FALSE; |
252b5132 | 92 | |
b34976b6 | 93 | return TRUE; |
252b5132 RH |
94 | } |
95 | ||
96 | /* This is a hook called by coff_real_object_p to create any backend | |
97 | specific information. */ | |
98 | ||
3b5d3310 NC |
99 | void * |
100 | _bfd_ecoff_mkobject_hook (bfd *abfd, void * filehdr, void * aouthdr) | |
252b5132 RH |
101 | { |
102 | struct internal_filehdr *internal_f = (struct internal_filehdr *) filehdr; | |
103 | struct internal_aouthdr *internal_a = (struct internal_aouthdr *) aouthdr; | |
104 | ecoff_data_type *ecoff; | |
105 | ||
82e51918 | 106 | if (! _bfd_ecoff_mkobject (abfd)) |
252b5132 RH |
107 | return NULL; |
108 | ||
109 | ecoff = ecoff_data (abfd); | |
110 | ecoff->gp_size = 8; | |
111 | ecoff->sym_filepos = internal_f->f_symptr; | |
112 | ||
3b5d3310 | 113 | if (internal_a != NULL) |
252b5132 RH |
114 | { |
115 | int i; | |
116 | ||
117 | ecoff->text_start = internal_a->text_start; | |
118 | ecoff->text_end = internal_a->text_start + internal_a->tsize; | |
119 | ecoff->gp = internal_a->gp_value; | |
120 | ecoff->gprmask = internal_a->gprmask; | |
121 | for (i = 0; i < 4; i++) | |
122 | ecoff->cprmask[i] = internal_a->cprmask[i]; | |
123 | ecoff->fprmask = internal_a->fprmask; | |
124 | if (internal_a->magic == ECOFF_AOUT_ZMAGIC) | |
125 | abfd->flags |= D_PAGED; | |
126 | else | |
127 | abfd->flags &=~ D_PAGED; | |
128 | } | |
129 | ||
130 | /* It turns out that no special action is required by the MIPS or | |
131 | Alpha ECOFF backends. They have different information in the | |
132 | a.out header, but we just copy it all (e.g., gprmask, cprmask and | |
133 | fprmask) and let the swapping routines ensure that only relevant | |
134 | information is written out. */ | |
135 | ||
3b5d3310 | 136 | return (void *) ecoff; |
252b5132 RH |
137 | } |
138 | ||
139 | /* Initialize a new section. */ | |
140 | ||
b34976b6 | 141 | bfd_boolean |
f592407e | 142 | _bfd_ecoff_new_section_hook (bfd *abfd, asection *section) |
252b5132 | 143 | { |
3b5d3310 NC |
144 | unsigned int i; |
145 | static struct | |
146 | { | |
147 | const char * name; | |
148 | flagword flags; | |
149 | } | |
150 | section_flags [] = | |
151 | { | |
152 | { _TEXT, SEC_ALLOC | SEC_CODE | SEC_LOAD }, | |
153 | { _INIT, SEC_ALLOC | SEC_CODE | SEC_LOAD }, | |
154 | { _FINI, SEC_ALLOC | SEC_CODE | SEC_LOAD }, | |
155 | { _DATA, SEC_ALLOC | SEC_DATA | SEC_LOAD }, | |
156 | { _SDATA, SEC_ALLOC | SEC_DATA | SEC_LOAD }, | |
157 | { _RDATA, SEC_ALLOC | SEC_DATA | SEC_LOAD | SEC_READONLY}, | |
158 | { _LIT8, SEC_ALLOC | SEC_DATA | SEC_LOAD | SEC_READONLY}, | |
159 | { _LIT4, SEC_ALLOC | SEC_DATA | SEC_LOAD | SEC_READONLY}, | |
160 | { _RCONST, SEC_ALLOC | SEC_DATA | SEC_LOAD | SEC_READONLY}, | |
161 | { _PDATA, SEC_ALLOC | SEC_DATA | SEC_LOAD | SEC_READONLY}, | |
162 | { _BSS, SEC_ALLOC}, | |
163 | { _SBSS, SEC_ALLOC}, | |
164 | /* An Irix 4 shared libary. */ | |
165 | { _LIB, SEC_COFF_SHARED_LIBRARY} | |
166 | }; | |
167 | ||
252b5132 RH |
168 | section->alignment_power = 4; |
169 | ||
3b5d3310 NC |
170 | for (i = 0; i < ARRAY_SIZE (section_flags); i++) |
171 | if (streq (section->name, section_flags[i].name)) | |
172 | { | |
173 | section->flags |= section_flags[i].flags; | |
174 | break; | |
175 | } | |
176 | ||
252b5132 RH |
177 | |
178 | /* Probably any other section name is SEC_NEVER_LOAD, but I'm | |
179 | uncertain about .init on some systems and I don't know how shared | |
180 | libraries work. */ | |
181 | ||
f592407e | 182 | return _bfd_generic_new_section_hook (abfd, section); |
252b5132 RH |
183 | } |
184 | ||
185 | /* Determine the machine architecture and type. This is called from | |
186 | the generic COFF routines. It is the inverse of ecoff_get_magic, | |
187 | below. This could be an ECOFF backend routine, with one version | |
188 | for each target, but there aren't all that many ECOFF targets. */ | |
189 | ||
b34976b6 | 190 | bfd_boolean |
3b5d3310 | 191 | _bfd_ecoff_set_arch_mach_hook (bfd *abfd, void * filehdr) |
252b5132 | 192 | { |
21d799b5 | 193 | struct internal_filehdr *internal_f = (struct internal_filehdr *) filehdr; |
252b5132 RH |
194 | enum bfd_architecture arch; |
195 | unsigned long mach; | |
196 | ||
197 | switch (internal_f->f_magic) | |
198 | { | |
199 | case MIPS_MAGIC_1: | |
200 | case MIPS_MAGIC_LITTLE: | |
201 | case MIPS_MAGIC_BIG: | |
202 | arch = bfd_arch_mips; | |
250d94fd | 203 | mach = bfd_mach_mips3000; |
252b5132 RH |
204 | break; |
205 | ||
206 | case MIPS_MAGIC_LITTLE2: | |
207 | case MIPS_MAGIC_BIG2: | |
b0ac09d2 | 208 | /* MIPS ISA level 2: the r6000. */ |
252b5132 | 209 | arch = bfd_arch_mips; |
250d94fd | 210 | mach = bfd_mach_mips6000; |
252b5132 RH |
211 | break; |
212 | ||
213 | case MIPS_MAGIC_LITTLE3: | |
214 | case MIPS_MAGIC_BIG3: | |
b0ac09d2 | 215 | /* MIPS ISA level 3: the r4000. */ |
252b5132 | 216 | arch = bfd_arch_mips; |
250d94fd | 217 | mach = bfd_mach_mips4000; |
252b5132 RH |
218 | break; |
219 | ||
220 | case ALPHA_MAGIC: | |
221 | arch = bfd_arch_alpha; | |
222 | mach = 0; | |
223 | break; | |
224 | ||
225 | default: | |
226 | arch = bfd_arch_obscure; | |
227 | mach = 0; | |
228 | break; | |
229 | } | |
230 | ||
231 | return bfd_default_set_arch_mach (abfd, arch, mach); | |
232 | } | |
233 | ||
88183869 | 234 | bfd_boolean |
2c3fc389 | 235 | _bfd_ecoff_no_long_sections (bfd *abfd, int enable) |
88183869 DK |
236 | { |
237 | (void) abfd; | |
238 | (void) enable; | |
239 | return FALSE; | |
240 | } | |
241 | ||
252b5132 RH |
242 | /* Get the magic number to use based on the architecture and machine. |
243 | This is the inverse of _bfd_ecoff_set_arch_mach_hook, above. */ | |
244 | ||
245 | static int | |
3b5d3310 | 246 | ecoff_get_magic (bfd *abfd) |
252b5132 RH |
247 | { |
248 | int big, little; | |
249 | ||
250 | switch (bfd_get_arch (abfd)) | |
251 | { | |
252 | case bfd_arch_mips: | |
253 | switch (bfd_get_mach (abfd)) | |
254 | { | |
255 | default: | |
256 | case 0: | |
250d94fd | 257 | case bfd_mach_mips3000: |
252b5132 RH |
258 | big = MIPS_MAGIC_BIG; |
259 | little = MIPS_MAGIC_LITTLE; | |
260 | break; | |
261 | ||
250d94fd | 262 | case bfd_mach_mips6000: |
252b5132 RH |
263 | big = MIPS_MAGIC_BIG2; |
264 | little = MIPS_MAGIC_LITTLE2; | |
265 | break; | |
266 | ||
250d94fd | 267 | case bfd_mach_mips4000: |
252b5132 RH |
268 | big = MIPS_MAGIC_BIG3; |
269 | little = MIPS_MAGIC_LITTLE3; | |
270 | break; | |
271 | } | |
272 | ||
273 | return bfd_big_endian (abfd) ? big : little; | |
274 | ||
275 | case bfd_arch_alpha: | |
276 | return ALPHA_MAGIC; | |
277 | ||
278 | default: | |
279 | abort (); | |
280 | return 0; | |
281 | } | |
282 | } | |
283 | ||
284 | /* Get the section s_flags to use for a section. */ | |
285 | ||
286 | static long | |
3b5d3310 | 287 | ecoff_sec_to_styp_flags (const char *name, flagword flags) |
252b5132 | 288 | { |
3b5d3310 NC |
289 | unsigned int i; |
290 | static struct | |
291 | { | |
292 | const char * name; | |
293 | long flags; | |
294 | } | |
295 | styp_flags [] = | |
296 | { | |
297 | { _TEXT, STYP_TEXT }, | |
298 | { _DATA, STYP_DATA }, | |
299 | { _SDATA, STYP_SDATA }, | |
300 | { _RDATA, STYP_RDATA }, | |
301 | { _LITA, STYP_LITA }, | |
302 | { _LIT8, STYP_LIT8 }, | |
303 | { _LIT4, STYP_LIT4 }, | |
304 | { _BSS, STYP_BSS }, | |
305 | { _SBSS, STYP_SBSS }, | |
306 | { _INIT, STYP_ECOFF_INIT }, | |
307 | { _FINI, STYP_ECOFF_FINI }, | |
308 | { _PDATA, STYP_PDATA }, | |
309 | { _XDATA, STYP_XDATA }, | |
310 | { _LIB, STYP_ECOFF_LIB }, | |
311 | { _GOT, STYP_GOT }, | |
312 | { _HASH, STYP_HASH }, | |
313 | { _DYNAMIC, STYP_DYNAMIC }, | |
314 | { _LIBLIST, STYP_LIBLIST }, | |
315 | { _RELDYN, STYP_RELDYN }, | |
316 | { _CONFLIC, STYP_CONFLIC }, | |
317 | { _DYNSTR, STYP_DYNSTR }, | |
318 | { _DYNSYM, STYP_DYNSYM }, | |
319 | { _RCONST, STYP_RCONST } | |
320 | }; | |
321 | long styp = 0; | |
322 | ||
323 | for (i = 0; i < ARRAY_SIZE (styp_flags); i++) | |
324 | if (streq (name, styp_flags[i].name)) | |
325 | { | |
326 | styp = styp_flags[i].flags; | |
327 | break; | |
328 | } | |
329 | ||
330 | if (styp == 0) | |
252b5132 | 331 | { |
3b5d3310 NC |
332 | if (streq (name, _COMMENT)) |
333 | { | |
334 | styp = STYP_COMMENT; | |
335 | flags &=~ SEC_NEVER_LOAD; | |
336 | } | |
337 | else if (flags & SEC_CODE) | |
338 | styp = STYP_TEXT; | |
339 | else if (flags & SEC_DATA) | |
340 | styp = STYP_DATA; | |
341 | else if (flags & SEC_READONLY) | |
342 | styp = STYP_RDATA; | |
343 | else if (flags & SEC_LOAD) | |
344 | styp = STYP_REG; | |
345 | else | |
346 | styp = STYP_BSS; | |
252b5132 | 347 | } |
252b5132 RH |
348 | |
349 | if (flags & SEC_NEVER_LOAD) | |
350 | styp |= STYP_NOLOAD; | |
351 | ||
352 | return styp; | |
353 | } | |
354 | ||
355 | /* Get the BFD flags to use for a section. */ | |
356 | ||
b34976b6 | 357 | bfd_boolean |
3b5d3310 NC |
358 | _bfd_ecoff_styp_to_sec_flags (bfd *abfd ATTRIBUTE_UNUSED, |
359 | void * hdr, | |
360 | const char *name ATTRIBUTE_UNUSED, | |
361 | asection *section ATTRIBUTE_UNUSED, | |
362 | flagword * flags_ptr) | |
252b5132 | 363 | { |
21d799b5 | 364 | struct internal_scnhdr *internal_s = (struct internal_scnhdr *) hdr; |
252b5132 | 365 | long styp_flags = internal_s->s_flags; |
7c8ca0e4 | 366 | flagword sec_flags = 0; |
252b5132 RH |
367 | |
368 | if (styp_flags & STYP_NOLOAD) | |
369 | sec_flags |= SEC_NEVER_LOAD; | |
370 | ||
371 | /* For 386 COFF, at least, an unloadable text or data section is | |
372 | actually a shared library section. */ | |
373 | if ((styp_flags & STYP_TEXT) | |
374 | || (styp_flags & STYP_ECOFF_INIT) | |
375 | || (styp_flags & STYP_ECOFF_FINI) | |
376 | || (styp_flags & STYP_DYNAMIC) | |
377 | || (styp_flags & STYP_LIBLIST) | |
378 | || (styp_flags & STYP_RELDYN) | |
379 | || styp_flags == STYP_CONFLIC | |
380 | || (styp_flags & STYP_DYNSTR) | |
381 | || (styp_flags & STYP_DYNSYM) | |
382 | || (styp_flags & STYP_HASH)) | |
383 | { | |
384 | if (sec_flags & SEC_NEVER_LOAD) | |
385 | sec_flags |= SEC_CODE | SEC_COFF_SHARED_LIBRARY; | |
386 | else | |
387 | sec_flags |= SEC_CODE | SEC_LOAD | SEC_ALLOC; | |
388 | } | |
389 | else if ((styp_flags & STYP_DATA) | |
390 | || (styp_flags & STYP_RDATA) | |
391 | || (styp_flags & STYP_SDATA) | |
392 | || styp_flags == STYP_PDATA | |
393 | || styp_flags == STYP_XDATA | |
394 | || (styp_flags & STYP_GOT) | |
395 | || styp_flags == STYP_RCONST) | |
396 | { | |
397 | if (sec_flags & SEC_NEVER_LOAD) | |
398 | sec_flags |= SEC_DATA | SEC_COFF_SHARED_LIBRARY; | |
399 | else | |
400 | sec_flags |= SEC_DATA | SEC_LOAD | SEC_ALLOC; | |
401 | if ((styp_flags & STYP_RDATA) | |
402 | || styp_flags == STYP_PDATA | |
403 | || styp_flags == STYP_RCONST) | |
404 | sec_flags |= SEC_READONLY; | |
405 | } | |
406 | else if ((styp_flags & STYP_BSS) | |
407 | || (styp_flags & STYP_SBSS)) | |
7c8ca0e4 | 408 | sec_flags |= SEC_ALLOC; |
252b5132 | 409 | else if ((styp_flags & STYP_INFO) || styp_flags == STYP_COMMENT) |
7c8ca0e4 | 410 | sec_flags |= SEC_NEVER_LOAD; |
252b5132 RH |
411 | else if ((styp_flags & STYP_LITA) |
412 | || (styp_flags & STYP_LIT8) | |
413 | || (styp_flags & STYP_LIT4)) | |
7c8ca0e4 | 414 | sec_flags |= SEC_DATA | SEC_LOAD | SEC_ALLOC | SEC_READONLY; |
252b5132 | 415 | else if (styp_flags & STYP_ECOFF_LIB) |
7c8ca0e4 | 416 | sec_flags |= SEC_COFF_SHARED_LIBRARY; |
252b5132 | 417 | else |
7c8ca0e4 | 418 | sec_flags |= SEC_ALLOC | SEC_LOAD; |
252b5132 | 419 | |
7c8ca0e4 | 420 | * flags_ptr = sec_flags; |
b34976b6 | 421 | return TRUE; |
252b5132 RH |
422 | } |
423 | \f | |
424 | /* Read in the symbolic header for an ECOFF object file. */ | |
425 | ||
b34976b6 | 426 | static bfd_boolean |
3b5d3310 | 427 | ecoff_slurp_symbolic_header (bfd *abfd) |
252b5132 RH |
428 | { |
429 | const struct ecoff_backend_data * const backend = ecoff_backend (abfd); | |
430 | bfd_size_type external_hdr_size; | |
3b5d3310 | 431 | void * raw = NULL; |
252b5132 RH |
432 | HDRR *internal_symhdr; |
433 | ||
434 | /* See if we've already read it in. */ | |
1abaf976 | 435 | if (ecoff_data (abfd)->debug_info.symbolic_header.magic == |
252b5132 | 436 | backend->debug_swap.sym_magic) |
b34976b6 | 437 | return TRUE; |
252b5132 RH |
438 | |
439 | /* See whether there is a symbolic header. */ | |
440 | if (ecoff_data (abfd)->sym_filepos == 0) | |
441 | { | |
442 | bfd_get_symcount (abfd) = 0; | |
b34976b6 | 443 | return TRUE; |
252b5132 RH |
444 | } |
445 | ||
446 | /* At this point bfd_get_symcount (abfd) holds the number of symbols | |
447 | as read from the file header, but on ECOFF this is always the | |
448 | size of the symbolic information header. It would be cleaner to | |
449 | handle this when we first read the file in coffgen.c. */ | |
450 | external_hdr_size = backend->debug_swap.external_hdr_size; | |
451 | if (bfd_get_symcount (abfd) != external_hdr_size) | |
452 | { | |
453 | bfd_set_error (bfd_error_bad_value); | |
b34976b6 | 454 | return FALSE; |
252b5132 RH |
455 | } |
456 | ||
457 | /* Read the symbolic information header. */ | |
3b5d3310 | 458 | raw = bfd_malloc (external_hdr_size); |
252b5132 RH |
459 | if (raw == NULL) |
460 | goto error_return; | |
461 | ||
dc810e39 AM |
462 | if (bfd_seek (abfd, ecoff_data (abfd)->sym_filepos, SEEK_SET) != 0 |
463 | || bfd_bread (raw, external_hdr_size, abfd) != external_hdr_size) | |
252b5132 RH |
464 | goto error_return; |
465 | internal_symhdr = &ecoff_data (abfd)->debug_info.symbolic_header; | |
466 | (*backend->debug_swap.swap_hdr_in) (abfd, raw, internal_symhdr); | |
467 | ||
468 | if (internal_symhdr->magic != backend->debug_swap.sym_magic) | |
469 | { | |
470 | bfd_set_error (bfd_error_bad_value); | |
471 | goto error_return; | |
472 | } | |
473 | ||
474 | /* Now we can get the correct number of symbols. */ | |
475 | bfd_get_symcount (abfd) = (internal_symhdr->isymMax | |
476 | + internal_symhdr->iextMax); | |
477 | ||
478 | if (raw != NULL) | |
479 | free (raw); | |
b34976b6 | 480 | return TRUE; |
252b5132 RH |
481 | error_return: |
482 | if (raw != NULL) | |
483 | free (raw); | |
b34976b6 | 484 | return FALSE; |
252b5132 RH |
485 | } |
486 | ||
487 | /* Read in and swap the important symbolic information for an ECOFF | |
488 | object file. This is called by gdb via the read_debug_info entry | |
489 | point in the backend structure. */ | |
490 | ||
b34976b6 | 491 | bfd_boolean |
3b5d3310 NC |
492 | _bfd_ecoff_slurp_symbolic_info (bfd *abfd, |
493 | asection *ignore ATTRIBUTE_UNUSED, | |
494 | struct ecoff_debug_info *debug) | |
252b5132 RH |
495 | { |
496 | const struct ecoff_backend_data * const backend = ecoff_backend (abfd); | |
497 | HDRR *internal_symhdr; | |
498 | bfd_size_type raw_base; | |
499 | bfd_size_type raw_size; | |
3b5d3310 | 500 | void * raw; |
252b5132 RH |
501 | bfd_size_type external_fdr_size; |
502 | char *fraw_src; | |
503 | char *fraw_end; | |
504 | struct fdr *fdr_ptr; | |
505 | bfd_size_type raw_end; | |
506 | bfd_size_type cb_end; | |
dc810e39 AM |
507 | bfd_size_type amt; |
508 | file_ptr pos; | |
252b5132 RH |
509 | |
510 | BFD_ASSERT (debug == &ecoff_data (abfd)->debug_info); | |
511 | ||
512 | /* Check whether we've already gotten it, and whether there's any to | |
513 | get. */ | |
3b5d3310 | 514 | if (ecoff_data (abfd)->raw_syments != NULL) |
b34976b6 | 515 | return TRUE; |
252b5132 RH |
516 | if (ecoff_data (abfd)->sym_filepos == 0) |
517 | { | |
518 | bfd_get_symcount (abfd) = 0; | |
b34976b6 | 519 | return TRUE; |
252b5132 RH |
520 | } |
521 | ||
522 | if (! ecoff_slurp_symbolic_header (abfd)) | |
b34976b6 | 523 | return FALSE; |
252b5132 RH |
524 | |
525 | internal_symhdr = &debug->symbolic_header; | |
526 | ||
527 | /* Read all the symbolic information at once. */ | |
528 | raw_base = (ecoff_data (abfd)->sym_filepos | |
529 | + backend->debug_swap.external_hdr_size); | |
530 | ||
531 | /* Alpha ecoff makes the determination of raw_size difficult. It has | |
532 | an undocumented debug data section between the symhdr and the first | |
533 | documented section. And the ordering of the sections varies between | |
534 | statically and dynamically linked executables. | |
535 | If bfd supports SEEK_END someday, this code could be simplified. */ | |
252b5132 RH |
536 | raw_end = 0; |
537 | ||
538 | #define UPDATE_RAW_END(start, count, size) \ | |
539 | cb_end = internal_symhdr->start + internal_symhdr->count * (size); \ | |
540 | if (cb_end > raw_end) \ | |
541 | raw_end = cb_end | |
542 | ||
543 | UPDATE_RAW_END (cbLineOffset, cbLine, sizeof (unsigned char)); | |
544 | UPDATE_RAW_END (cbDnOffset, idnMax, backend->debug_swap.external_dnr_size); | |
545 | UPDATE_RAW_END (cbPdOffset, ipdMax, backend->debug_swap.external_pdr_size); | |
546 | UPDATE_RAW_END (cbSymOffset, isymMax, backend->debug_swap.external_sym_size); | |
0e327d91 | 547 | /* eraxxon@alumni.rice.edu: ioptMax refers to the size of the |
3b5d3310 | 548 | optimization symtab, not the number of entries. */ |
0e327d91 | 549 | UPDATE_RAW_END (cbOptOffset, ioptMax, sizeof (char)); |
252b5132 RH |
550 | UPDATE_RAW_END (cbAuxOffset, iauxMax, sizeof (union aux_ext)); |
551 | UPDATE_RAW_END (cbSsOffset, issMax, sizeof (char)); | |
552 | UPDATE_RAW_END (cbSsExtOffset, issExtMax, sizeof (char)); | |
553 | UPDATE_RAW_END (cbFdOffset, ifdMax, backend->debug_swap.external_fdr_size); | |
554 | UPDATE_RAW_END (cbRfdOffset, crfd, backend->debug_swap.external_rfd_size); | |
555 | UPDATE_RAW_END (cbExtOffset, iextMax, backend->debug_swap.external_ext_size); | |
556 | ||
557 | #undef UPDATE_RAW_END | |
558 | ||
559 | raw_size = raw_end - raw_base; | |
560 | if (raw_size == 0) | |
561 | { | |
562 | ecoff_data (abfd)->sym_filepos = 0; | |
b34976b6 | 563 | return TRUE; |
252b5132 | 564 | } |
3b5d3310 | 565 | raw = bfd_alloc (abfd, raw_size); |
252b5132 | 566 | if (raw == NULL) |
b34976b6 | 567 | return FALSE; |
dc810e39 AM |
568 | |
569 | pos = ecoff_data (abfd)->sym_filepos; | |
570 | pos += backend->debug_swap.external_hdr_size; | |
571 | if (bfd_seek (abfd, pos, SEEK_SET) != 0 | |
572 | || bfd_bread (raw, raw_size, abfd) != raw_size) | |
252b5132 RH |
573 | { |
574 | bfd_release (abfd, raw); | |
b34976b6 | 575 | return FALSE; |
252b5132 RH |
576 | } |
577 | ||
578 | ecoff_data (abfd)->raw_syments = raw; | |
579 | ||
580 | /* Get pointers for the numeric offsets in the HDRR structure. */ | |
3b5d3310 NC |
581 | #define FIX(off1, off2, type) \ |
582 | if (internal_symhdr->off1 == 0) \ | |
583 | debug->off2 = NULL; \ | |
584 | else \ | |
585 | debug->off2 = (type) ((char *) raw \ | |
586 | + (internal_symhdr->off1 \ | |
252b5132 | 587 | - raw_base)) |
b0ac09d2 | 588 | |
252b5132 | 589 | FIX (cbLineOffset, line, unsigned char *); |
3b5d3310 NC |
590 | FIX (cbDnOffset, external_dnr, void *); |
591 | FIX (cbPdOffset, external_pdr, void *); | |
592 | FIX (cbSymOffset, external_sym, void *); | |
593 | FIX (cbOptOffset, external_opt, void *); | |
252b5132 RH |
594 | FIX (cbAuxOffset, external_aux, union aux_ext *); |
595 | FIX (cbSsOffset, ss, char *); | |
596 | FIX (cbSsExtOffset, ssext, char *); | |
3b5d3310 NC |
597 | FIX (cbFdOffset, external_fdr, void *); |
598 | FIX (cbRfdOffset, external_rfd, void *); | |
599 | FIX (cbExtOffset, external_ext, void *); | |
252b5132 RH |
600 | #undef FIX |
601 | ||
602 | /* I don't want to always swap all the data, because it will just | |
603 | waste time and most programs will never look at it. The only | |
604 | time the linker needs most of the debugging information swapped | |
605 | is when linking big-endian and little-endian MIPS object files | |
606 | together, which is not a common occurrence. | |
607 | ||
608 | We need to look at the fdr to deal with a lot of information in | |
609 | the symbols, so we swap them here. */ | |
dc810e39 AM |
610 | amt = internal_symhdr->ifdMax; |
611 | amt *= sizeof (struct fdr); | |
21d799b5 | 612 | debug->fdr = (FDR *) bfd_alloc (abfd, amt); |
252b5132 | 613 | if (debug->fdr == NULL) |
b34976b6 | 614 | return FALSE; |
252b5132 RH |
615 | external_fdr_size = backend->debug_swap.external_fdr_size; |
616 | fdr_ptr = debug->fdr; | |
617 | fraw_src = (char *) debug->external_fdr; | |
618 | fraw_end = fraw_src + internal_symhdr->ifdMax * external_fdr_size; | |
619 | for (; fraw_src < fraw_end; fraw_src += external_fdr_size, fdr_ptr++) | |
3b5d3310 | 620 | (*backend->debug_swap.swap_fdr_in) (abfd, (void *) fraw_src, fdr_ptr); |
252b5132 | 621 | |
b34976b6 | 622 | return TRUE; |
252b5132 RH |
623 | } |
624 | \f | |
625 | /* ECOFF symbol table routines. The ECOFF symbol table is described | |
626 | in gcc/mips-tfile.c. */ | |
627 | ||
628 | /* ECOFF uses two common sections. One is the usual one, and the | |
629 | other is for small objects. All the small objects are kept | |
630 | together, and then referenced via the gp pointer, which yields | |
631 | faster assembler code. This is what we use for the small common | |
632 | section. */ | |
633 | static asection ecoff_scom_section; | |
634 | static asymbol ecoff_scom_symbol; | |
635 | static asymbol *ecoff_scom_symbol_ptr; | |
636 | ||
637 | /* Create an empty symbol. */ | |
638 | ||
639 | asymbol * | |
3b5d3310 | 640 | _bfd_ecoff_make_empty_symbol (bfd *abfd) |
252b5132 | 641 | { |
d3ce72d0 | 642 | ecoff_symbol_type *new_symbol; |
dc810e39 | 643 | bfd_size_type amt = sizeof (ecoff_symbol_type); |
252b5132 | 644 | |
d3ce72d0 NC |
645 | new_symbol = (ecoff_symbol_type *) bfd_zalloc (abfd, amt); |
646 | if (new_symbol == NULL) | |
3b5d3310 | 647 | return NULL; |
d3ce72d0 NC |
648 | new_symbol->symbol.section = NULL; |
649 | new_symbol->fdr = NULL; | |
650 | new_symbol->local = FALSE; | |
651 | new_symbol->native = NULL; | |
652 | new_symbol->symbol.the_bfd = abfd; | |
653 | return &new_symbol->symbol; | |
252b5132 RH |
654 | } |
655 | ||
656 | /* Set the BFD flags and section for an ECOFF symbol. */ | |
657 | ||
b34976b6 | 658 | static bfd_boolean |
3b5d3310 NC |
659 | ecoff_set_symbol_info (bfd *abfd, |
660 | SYMR *ecoff_sym, | |
661 | asymbol *asym, | |
662 | int ext, | |
663 | int weak) | |
252b5132 RH |
664 | { |
665 | asym->the_bfd = abfd; | |
666 | asym->value = ecoff_sym->value; | |
667 | asym->section = &bfd_debug_section; | |
668 | asym->udata.i = 0; | |
669 | ||
670 | /* Most symbol types are just for debugging. */ | |
671 | switch (ecoff_sym->st) | |
672 | { | |
673 | case stGlobal: | |
674 | case stStatic: | |
675 | case stLabel: | |
676 | case stProc: | |
677 | case stStaticProc: | |
678 | break; | |
679 | case stNil: | |
680 | if (ECOFF_IS_STAB (ecoff_sym)) | |
681 | { | |
682 | asym->flags = BSF_DEBUGGING; | |
b34976b6 | 683 | return TRUE; |
252b5132 RH |
684 | } |
685 | break; | |
686 | default: | |
687 | asym->flags = BSF_DEBUGGING; | |
b34976b6 | 688 | return TRUE; |
252b5132 RH |
689 | } |
690 | ||
691 | if (weak) | |
692 | asym->flags = BSF_EXPORT | BSF_WEAK; | |
693 | else if (ext) | |
694 | asym->flags = BSF_EXPORT | BSF_GLOBAL; | |
695 | else | |
696 | { | |
697 | asym->flags = BSF_LOCAL; | |
698 | /* Normally, a local stProc symbol will have a corresponding | |
699 | external symbol. We mark the local symbol as a debugging | |
700 | symbol, in order to prevent nm from printing both out. | |
701 | Similarly, we mark stLabel and stabs symbols as debugging | |
702 | symbols. In both cases, we do want to set the value | |
703 | correctly based on the symbol class. */ | |
704 | if (ecoff_sym->st == stProc | |
705 | || ecoff_sym->st == stLabel | |
706 | || ECOFF_IS_STAB (ecoff_sym)) | |
707 | asym->flags |= BSF_DEBUGGING; | |
708 | } | |
b0ac09d2 NC |
709 | |
710 | if (ecoff_sym->st == stProc || ecoff_sym->st == stStaticProc) | |
711 | asym->flags |= BSF_FUNCTION; | |
712 | ||
252b5132 RH |
713 | switch (ecoff_sym->sc) |
714 | { | |
715 | case scNil: | |
716 | /* Used for compiler generated labels. Leave them in the | |
717 | debugging section, and mark them as local. If BSF_DEBUGGING | |
718 | is set, then nm does not display them for some reason. If no | |
719 | flags are set then the linker whines about them. */ | |
720 | asym->flags = BSF_LOCAL; | |
721 | break; | |
722 | case scText: | |
3b5d3310 | 723 | asym->section = bfd_make_section_old_way (abfd, _TEXT); |
252b5132 RH |
724 | asym->value -= asym->section->vma; |
725 | break; | |
726 | case scData: | |
3b5d3310 | 727 | asym->section = bfd_make_section_old_way (abfd, _DATA); |
252b5132 RH |
728 | asym->value -= asym->section->vma; |
729 | break; | |
730 | case scBss: | |
3b5d3310 | 731 | asym->section = bfd_make_section_old_way (abfd, _BSS); |
252b5132 RH |
732 | asym->value -= asym->section->vma; |
733 | break; | |
734 | case scRegister: | |
735 | asym->flags = BSF_DEBUGGING; | |
736 | break; | |
737 | case scAbs: | |
738 | asym->section = bfd_abs_section_ptr; | |
739 | break; | |
740 | case scUndefined: | |
741 | asym->section = bfd_und_section_ptr; | |
742 | asym->flags = 0; | |
743 | asym->value = 0; | |
744 | break; | |
745 | case scCdbLocal: | |
746 | case scBits: | |
747 | case scCdbSystem: | |
748 | case scRegImage: | |
749 | case scInfo: | |
750 | case scUserStruct: | |
751 | asym->flags = BSF_DEBUGGING; | |
752 | break; | |
753 | case scSData: | |
754 | asym->section = bfd_make_section_old_way (abfd, ".sdata"); | |
755 | asym->value -= asym->section->vma; | |
756 | break; | |
757 | case scSBss: | |
758 | asym->section = bfd_make_section_old_way (abfd, ".sbss"); | |
759 | asym->value -= asym->section->vma; | |
760 | break; | |
761 | case scRData: | |
762 | asym->section = bfd_make_section_old_way (abfd, ".rdata"); | |
763 | asym->value -= asym->section->vma; | |
764 | break; | |
765 | case scVar: | |
766 | asym->flags = BSF_DEBUGGING; | |
767 | break; | |
768 | case scCommon: | |
769 | if (asym->value > ecoff_data (abfd)->gp_size) | |
770 | { | |
771 | asym->section = bfd_com_section_ptr; | |
772 | asym->flags = 0; | |
773 | break; | |
774 | } | |
775 | /* Fall through. */ | |
776 | case scSCommon: | |
777 | if (ecoff_scom_section.name == NULL) | |
778 | { | |
779 | /* Initialize the small common section. */ | |
780 | ecoff_scom_section.name = SCOMMON; | |
781 | ecoff_scom_section.flags = SEC_IS_COMMON; | |
782 | ecoff_scom_section.output_section = &ecoff_scom_section; | |
783 | ecoff_scom_section.symbol = &ecoff_scom_symbol; | |
784 | ecoff_scom_section.symbol_ptr_ptr = &ecoff_scom_symbol_ptr; | |
785 | ecoff_scom_symbol.name = SCOMMON; | |
786 | ecoff_scom_symbol.flags = BSF_SECTION_SYM; | |
787 | ecoff_scom_symbol.section = &ecoff_scom_section; | |
788 | ecoff_scom_symbol_ptr = &ecoff_scom_symbol; | |
789 | } | |
790 | asym->section = &ecoff_scom_section; | |
791 | asym->flags = 0; | |
792 | break; | |
793 | case scVarRegister: | |
794 | case scVariant: | |
795 | asym->flags = BSF_DEBUGGING; | |
796 | break; | |
797 | case scSUndefined: | |
798 | asym->section = bfd_und_section_ptr; | |
799 | asym->flags = 0; | |
800 | asym->value = 0; | |
801 | break; | |
802 | case scInit: | |
803 | asym->section = bfd_make_section_old_way (abfd, ".init"); | |
804 | asym->value -= asym->section->vma; | |
805 | break; | |
806 | case scBasedVar: | |
807 | case scXData: | |
808 | case scPData: | |
809 | asym->flags = BSF_DEBUGGING; | |
810 | break; | |
811 | case scFini: | |
812 | asym->section = bfd_make_section_old_way (abfd, ".fini"); | |
813 | asym->value -= asym->section->vma; | |
814 | break; | |
815 | case scRConst: | |
816 | asym->section = bfd_make_section_old_way (abfd, ".rconst"); | |
817 | asym->value -= asym->section->vma; | |
818 | break; | |
819 | default: | |
820 | break; | |
821 | } | |
822 | ||
823 | /* Look for special constructors symbols and make relocation entries | |
824 | in a special construction section. These are produced by the | |
825 | -fgnu-linker argument to g++. */ | |
826 | if (ECOFF_IS_STAB (ecoff_sym)) | |
827 | { | |
828 | switch (ECOFF_UNMARK_STAB (ecoff_sym->index)) | |
829 | { | |
830 | default: | |
831 | break; | |
832 | ||
833 | case N_SETA: | |
834 | case N_SETT: | |
835 | case N_SETD: | |
836 | case N_SETB: | |
3b5d3310 NC |
837 | /* Mark the symbol as a constructor. */ |
838 | asym->flags |= BSF_CONSTRUCTOR; | |
252b5132 RH |
839 | break; |
840 | } | |
841 | } | |
b34976b6 | 842 | return TRUE; |
252b5132 RH |
843 | } |
844 | ||
845 | /* Read an ECOFF symbol table. */ | |
846 | ||
b34976b6 | 847 | bfd_boolean |
3b5d3310 | 848 | _bfd_ecoff_slurp_symbol_table (bfd *abfd) |
252b5132 RH |
849 | { |
850 | const struct ecoff_backend_data * const backend = ecoff_backend (abfd); | |
851 | const bfd_size_type external_ext_size | |
852 | = backend->debug_swap.external_ext_size; | |
853 | const bfd_size_type external_sym_size | |
854 | = backend->debug_swap.external_sym_size; | |
3b5d3310 | 855 | void (* const swap_ext_in) (bfd *, void *, EXTR *) |
252b5132 | 856 | = backend->debug_swap.swap_ext_in; |
3b5d3310 | 857 | void (* const swap_sym_in) (bfd *, void *, SYMR *) |
252b5132 RH |
858 | = backend->debug_swap.swap_sym_in; |
859 | bfd_size_type internal_size; | |
860 | ecoff_symbol_type *internal; | |
861 | ecoff_symbol_type *internal_ptr; | |
862 | char *eraw_src; | |
863 | char *eraw_end; | |
864 | FDR *fdr_ptr; | |
865 | FDR *fdr_end; | |
866 | ||
867 | /* If we've already read in the symbol table, do nothing. */ | |
868 | if (ecoff_data (abfd)->canonical_symbols != NULL) | |
b34976b6 | 869 | return TRUE; |
252b5132 RH |
870 | |
871 | /* Get the symbolic information. */ | |
3b5d3310 | 872 | if (! _bfd_ecoff_slurp_symbolic_info (abfd, NULL, |
252b5132 | 873 | &ecoff_data (abfd)->debug_info)) |
b34976b6 | 874 | return FALSE; |
252b5132 | 875 | if (bfd_get_symcount (abfd) == 0) |
b34976b6 | 876 | return TRUE; |
252b5132 | 877 | |
dc810e39 AM |
878 | internal_size = bfd_get_symcount (abfd); |
879 | internal_size *= sizeof (ecoff_symbol_type); | |
21d799b5 | 880 | internal = (ecoff_symbol_type *) bfd_alloc (abfd, internal_size); |
252b5132 | 881 | if (internal == NULL) |
b34976b6 | 882 | return FALSE; |
252b5132 RH |
883 | |
884 | internal_ptr = internal; | |
885 | eraw_src = (char *) ecoff_data (abfd)->debug_info.external_ext; | |
886 | eraw_end = (eraw_src | |
887 | + (ecoff_data (abfd)->debug_info.symbolic_header.iextMax | |
888 | * external_ext_size)); | |
889 | for (; eraw_src < eraw_end; eraw_src += external_ext_size, internal_ptr++) | |
890 | { | |
891 | EXTR internal_esym; | |
892 | ||
3b5d3310 | 893 | (*swap_ext_in) (abfd, (void *) eraw_src, &internal_esym); |
252b5132 RH |
894 | internal_ptr->symbol.name = (ecoff_data (abfd)->debug_info.ssext |
895 | + internal_esym.asym.iss); | |
896 | if (!ecoff_set_symbol_info (abfd, &internal_esym.asym, | |
897 | &internal_ptr->symbol, 1, | |
898 | internal_esym.weakext)) | |
b34976b6 | 899 | return FALSE; |
252b5132 RH |
900 | /* The alpha uses a negative ifd field for section symbols. */ |
901 | if (internal_esym.ifd >= 0) | |
902 | internal_ptr->fdr = (ecoff_data (abfd)->debug_info.fdr | |
903 | + internal_esym.ifd); | |
904 | else | |
905 | internal_ptr->fdr = NULL; | |
b34976b6 | 906 | internal_ptr->local = FALSE; |
3b5d3310 | 907 | internal_ptr->native = (void *) eraw_src; |
252b5132 RH |
908 | } |
909 | ||
910 | /* The local symbols must be accessed via the fdr's, because the | |
911 | string and aux indices are relative to the fdr information. */ | |
912 | fdr_ptr = ecoff_data (abfd)->debug_info.fdr; | |
913 | fdr_end = fdr_ptr + ecoff_data (abfd)->debug_info.symbolic_header.ifdMax; | |
914 | for (; fdr_ptr < fdr_end; fdr_ptr++) | |
915 | { | |
916 | char *lraw_src; | |
917 | char *lraw_end; | |
918 | ||
919 | lraw_src = ((char *) ecoff_data (abfd)->debug_info.external_sym | |
920 | + fdr_ptr->isymBase * external_sym_size); | |
921 | lraw_end = lraw_src + fdr_ptr->csym * external_sym_size; | |
922 | for (; | |
923 | lraw_src < lraw_end; | |
924 | lraw_src += external_sym_size, internal_ptr++) | |
925 | { | |
926 | SYMR internal_sym; | |
927 | ||
3b5d3310 | 928 | (*swap_sym_in) (abfd, (void *) lraw_src, &internal_sym); |
252b5132 RH |
929 | internal_ptr->symbol.name = (ecoff_data (abfd)->debug_info.ss |
930 | + fdr_ptr->issBase | |
931 | + internal_sym.iss); | |
932 | if (!ecoff_set_symbol_info (abfd, &internal_sym, | |
933 | &internal_ptr->symbol, 0, 0)) | |
b34976b6 | 934 | return FALSE; |
252b5132 | 935 | internal_ptr->fdr = fdr_ptr; |
b34976b6 | 936 | internal_ptr->local = TRUE; |
3b5d3310 | 937 | internal_ptr->native = (void *) lraw_src; |
252b5132 RH |
938 | } |
939 | } | |
940 | ||
941 | ecoff_data (abfd)->canonical_symbols = internal; | |
942 | ||
b34976b6 | 943 | return TRUE; |
252b5132 RH |
944 | } |
945 | ||
946 | /* Return the amount of space needed for the canonical symbols. */ | |
947 | ||
948 | long | |
3b5d3310 | 949 | _bfd_ecoff_get_symtab_upper_bound (bfd *abfd) |
252b5132 | 950 | { |
3b5d3310 | 951 | if (! _bfd_ecoff_slurp_symbolic_info (abfd, NULL, |
252b5132 RH |
952 | &ecoff_data (abfd)->debug_info)) |
953 | return -1; | |
954 | ||
955 | if (bfd_get_symcount (abfd) == 0) | |
956 | return 0; | |
957 | ||
958 | return (bfd_get_symcount (abfd) + 1) * (sizeof (ecoff_symbol_type *)); | |
959 | } | |
960 | ||
961 | /* Get the canonical symbols. */ | |
962 | ||
963 | long | |
3b5d3310 | 964 | _bfd_ecoff_canonicalize_symtab (bfd *abfd, asymbol **alocation) |
252b5132 RH |
965 | { |
966 | unsigned int counter = 0; | |
967 | ecoff_symbol_type *symbase; | |
968 | ecoff_symbol_type **location = (ecoff_symbol_type **) alocation; | |
969 | ||
82e51918 | 970 | if (! _bfd_ecoff_slurp_symbol_table (abfd)) |
252b5132 RH |
971 | return -1; |
972 | if (bfd_get_symcount (abfd) == 0) | |
973 | return 0; | |
974 | ||
975 | symbase = ecoff_data (abfd)->canonical_symbols; | |
976 | while (counter < bfd_get_symcount (abfd)) | |
977 | { | |
978 | *(location++) = symbase++; | |
979 | counter++; | |
980 | } | |
3b5d3310 | 981 | *location++ = NULL; |
252b5132 RH |
982 | return bfd_get_symcount (abfd); |
983 | } | |
984 | ||
985 | /* Turn ECOFF type information into a printable string. | |
986 | ecoff_emit_aggregate and ecoff_type_to_string are from | |
987 | gcc/mips-tdump.c, with swapping added and used_ptr removed. */ | |
988 | ||
989 | /* Write aggregate information to a string. */ | |
990 | ||
991 | static void | |
3b5d3310 NC |
992 | ecoff_emit_aggregate (bfd *abfd, |
993 | FDR *fdr, | |
994 | char *string, | |
995 | RNDXR *rndx, | |
996 | long isym, | |
997 | const char *which) | |
252b5132 RH |
998 | { |
999 | const struct ecoff_debug_swap * const debug_swap = | |
1000 | &ecoff_backend (abfd)->debug_swap; | |
1001 | struct ecoff_debug_info * const debug_info = &ecoff_data (abfd)->debug_info; | |
1002 | unsigned int ifd = rndx->rfd; | |
1003 | unsigned int indx = rndx->index; | |
1004 | const char *name; | |
1abaf976 | 1005 | |
252b5132 RH |
1006 | if (ifd == 0xfff) |
1007 | ifd = isym; | |
1008 | ||
1009 | /* An ifd of -1 is an opaque type. An escaped index of 0 is a | |
1010 | struct return type of a procedure compiled without -g. */ | |
1011 | if (ifd == 0xffffffff | |
1012 | || (rndx->rfd == 0xfff && indx == 0)) | |
1013 | name = "<undefined>"; | |
1014 | else if (indx == indexNil) | |
1015 | name = "<no name>"; | |
1016 | else | |
1017 | { | |
1018 | SYMR sym; | |
1019 | ||
1020 | if (debug_info->external_rfd == NULL) | |
1021 | fdr = debug_info->fdr + ifd; | |
1022 | else | |
1023 | { | |
1024 | RFDT rfd; | |
1025 | ||
1026 | (*debug_swap->swap_rfd_in) (abfd, | |
1027 | ((char *) debug_info->external_rfd | |
1028 | + ((fdr->rfdBase + ifd) | |
1029 | * debug_swap->external_rfd_size)), | |
1030 | &rfd); | |
1031 | fdr = debug_info->fdr + rfd; | |
1032 | } | |
1033 | ||
1034 | indx += fdr->isymBase; | |
1035 | ||
1036 | (*debug_swap->swap_sym_in) (abfd, | |
1037 | ((char *) debug_info->external_sym | |
1038 | + indx * debug_swap->external_sym_size), | |
1039 | &sym); | |
1040 | ||
1041 | name = debug_info->ss + fdr->issBase + sym.iss; | |
1042 | } | |
1043 | ||
1044 | sprintf (string, | |
1045 | "%s %s { ifd = %u, index = %lu }", | |
1046 | which, name, ifd, | |
0af1713e | 1047 | ((unsigned long) indx |
252b5132 RH |
1048 | + debug_info->symbolic_header.iextMax)); |
1049 | } | |
1050 | ||
1051 | /* Convert the type information to string format. */ | |
1052 | ||
1053 | static char * | |
3b5d3310 | 1054 | ecoff_type_to_string (bfd *abfd, FDR *fdr, unsigned int indx) |
252b5132 RH |
1055 | { |
1056 | union aux_ext *aux_ptr; | |
1057 | int bigendian; | |
1058 | AUXU u; | |
3b5d3310 NC |
1059 | struct qual |
1060 | { | |
252b5132 RH |
1061 | unsigned int type; |
1062 | int low_bound; | |
1063 | int high_bound; | |
1064 | int stride; | |
1065 | } qualifiers[7]; | |
1066 | unsigned int basic_type; | |
1067 | int i; | |
1068 | char buffer1[1024]; | |
1069 | static char buffer2[1024]; | |
1070 | char *p1 = buffer1; | |
1071 | char *p2 = buffer2; | |
1072 | RNDXR rndx; | |
1073 | ||
1074 | aux_ptr = ecoff_data (abfd)->debug_info.external_aux + fdr->iauxBase; | |
1075 | bigendian = fdr->fBigendian; | |
1076 | ||
1077 | for (i = 0; i < 7; i++) | |
1078 | { | |
1079 | qualifiers[i].low_bound = 0; | |
1080 | qualifiers[i].high_bound = 0; | |
1081 | qualifiers[i].stride = 0; | |
1082 | } | |
1083 | ||
1084 | if (AUX_GET_ISYM (bigendian, &aux_ptr[indx]) == (bfd_vma) -1) | |
1085 | return "-1 (no type)"; | |
1086 | _bfd_ecoff_swap_tir_in (bigendian, &aux_ptr[indx++].a_ti, &u.ti); | |
1087 | ||
1088 | basic_type = u.ti.bt; | |
1089 | qualifiers[0].type = u.ti.tq0; | |
1090 | qualifiers[1].type = u.ti.tq1; | |
1091 | qualifiers[2].type = u.ti.tq2; | |
1092 | qualifiers[3].type = u.ti.tq3; | |
1093 | qualifiers[4].type = u.ti.tq4; | |
1094 | qualifiers[5].type = u.ti.tq5; | |
1095 | qualifiers[6].type = tqNil; | |
1096 | ||
b0ac09d2 | 1097 | /* Go get the basic type. */ |
252b5132 RH |
1098 | switch (basic_type) |
1099 | { | |
b0ac09d2 | 1100 | case btNil: /* Undefined. */ |
252b5132 RH |
1101 | strcpy (p1, "nil"); |
1102 | break; | |
1103 | ||
b0ac09d2 | 1104 | case btAdr: /* Address - integer same size as pointer. */ |
252b5132 RH |
1105 | strcpy (p1, "address"); |
1106 | break; | |
1107 | ||
b0ac09d2 | 1108 | case btChar: /* Character. */ |
252b5132 RH |
1109 | strcpy (p1, "char"); |
1110 | break; | |
1111 | ||
b0ac09d2 | 1112 | case btUChar: /* Unsigned character. */ |
252b5132 RH |
1113 | strcpy (p1, "unsigned char"); |
1114 | break; | |
1115 | ||
b0ac09d2 | 1116 | case btShort: /* Short. */ |
252b5132 RH |
1117 | strcpy (p1, "short"); |
1118 | break; | |
1119 | ||
b0ac09d2 | 1120 | case btUShort: /* Unsigned short. */ |
252b5132 RH |
1121 | strcpy (p1, "unsigned short"); |
1122 | break; | |
1123 | ||
b0ac09d2 | 1124 | case btInt: /* Int. */ |
252b5132 RH |
1125 | strcpy (p1, "int"); |
1126 | break; | |
1127 | ||
b0ac09d2 | 1128 | case btUInt: /* Unsigned int. */ |
252b5132 RH |
1129 | strcpy (p1, "unsigned int"); |
1130 | break; | |
1131 | ||
b0ac09d2 | 1132 | case btLong: /* Long. */ |
252b5132 RH |
1133 | strcpy (p1, "long"); |
1134 | break; | |
1135 | ||
b0ac09d2 | 1136 | case btULong: /* Unsigned long. */ |
252b5132 RH |
1137 | strcpy (p1, "unsigned long"); |
1138 | break; | |
1139 | ||
b0ac09d2 | 1140 | case btFloat: /* Float (real). */ |
252b5132 RH |
1141 | strcpy (p1, "float"); |
1142 | break; | |
1143 | ||
b0ac09d2 | 1144 | case btDouble: /* Double (real). */ |
252b5132 RH |
1145 | strcpy (p1, "double"); |
1146 | break; | |
1147 | ||
1148 | /* Structures add 1-2 aux words: | |
1149 | 1st word is [ST_RFDESCAPE, offset] pointer to struct def; | |
1150 | 2nd word is file index if 1st word rfd is ST_RFDESCAPE. */ | |
1151 | ||
b0ac09d2 | 1152 | case btStruct: /* Structure (Record). */ |
252b5132 RH |
1153 | _bfd_ecoff_swap_rndx_in (bigendian, &aux_ptr[indx].a_rndx, &rndx); |
1154 | ecoff_emit_aggregate (abfd, fdr, p1, &rndx, | |
1155 | (long) AUX_GET_ISYM (bigendian, &aux_ptr[indx+1]), | |
1156 | "struct"); | |
b0ac09d2 | 1157 | indx++; /* Skip aux words. */ |
252b5132 RH |
1158 | break; |
1159 | ||
1160 | /* Unions add 1-2 aux words: | |
1161 | 1st word is [ST_RFDESCAPE, offset] pointer to union def; | |
1162 | 2nd word is file index if 1st word rfd is ST_RFDESCAPE. */ | |
1163 | ||
b0ac09d2 | 1164 | case btUnion: /* Union. */ |
252b5132 RH |
1165 | _bfd_ecoff_swap_rndx_in (bigendian, &aux_ptr[indx].a_rndx, &rndx); |
1166 | ecoff_emit_aggregate (abfd, fdr, p1, &rndx, | |
1167 | (long) AUX_GET_ISYM (bigendian, &aux_ptr[indx+1]), | |
1168 | "union"); | |
b0ac09d2 | 1169 | indx++; /* Skip aux words. */ |
252b5132 RH |
1170 | break; |
1171 | ||
1172 | /* Enumerations add 1-2 aux words: | |
1173 | 1st word is [ST_RFDESCAPE, offset] pointer to enum def; | |
1174 | 2nd word is file index if 1st word rfd is ST_RFDESCAPE. */ | |
1175 | ||
b0ac09d2 | 1176 | case btEnum: /* Enumeration. */ |
252b5132 RH |
1177 | _bfd_ecoff_swap_rndx_in (bigendian, &aux_ptr[indx].a_rndx, &rndx); |
1178 | ecoff_emit_aggregate (abfd, fdr, p1, &rndx, | |
1179 | (long) AUX_GET_ISYM (bigendian, &aux_ptr[indx+1]), | |
1180 | "enum"); | |
b0ac09d2 | 1181 | indx++; /* Skip aux words. */ |
252b5132 RH |
1182 | break; |
1183 | ||
b0ac09d2 | 1184 | case btTypedef: /* Defined via a typedef, isymRef points. */ |
252b5132 RH |
1185 | strcpy (p1, "typedef"); |
1186 | break; | |
1187 | ||
b0ac09d2 | 1188 | case btRange: /* Subrange of int. */ |
252b5132 RH |
1189 | strcpy (p1, "subrange"); |
1190 | break; | |
1191 | ||
b0ac09d2 | 1192 | case btSet: /* Pascal sets. */ |
252b5132 RH |
1193 | strcpy (p1, "set"); |
1194 | break; | |
1195 | ||
b0ac09d2 | 1196 | case btComplex: /* Fortran complex. */ |
252b5132 RH |
1197 | strcpy (p1, "complex"); |
1198 | break; | |
1199 | ||
b0ac09d2 | 1200 | case btDComplex: /* Fortran double complex. */ |
252b5132 RH |
1201 | strcpy (p1, "double complex"); |
1202 | break; | |
1203 | ||
b0ac09d2 | 1204 | case btIndirect: /* Forward or unnamed typedef. */ |
252b5132 RH |
1205 | strcpy (p1, "forward/unamed typedef"); |
1206 | break; | |
1207 | ||
b0ac09d2 | 1208 | case btFixedDec: /* Fixed Decimal. */ |
252b5132 RH |
1209 | strcpy (p1, "fixed decimal"); |
1210 | break; | |
1211 | ||
b0ac09d2 | 1212 | case btFloatDec: /* Float Decimal. */ |
252b5132 RH |
1213 | strcpy (p1, "float decimal"); |
1214 | break; | |
1215 | ||
b0ac09d2 | 1216 | case btString: /* Varying Length Character String. */ |
252b5132 RH |
1217 | strcpy (p1, "string"); |
1218 | break; | |
1219 | ||
b0ac09d2 | 1220 | case btBit: /* Aligned Bit String. */ |
252b5132 RH |
1221 | strcpy (p1, "bit"); |
1222 | break; | |
1223 | ||
b0ac09d2 | 1224 | case btPicture: /* Picture. */ |
252b5132 RH |
1225 | strcpy (p1, "picture"); |
1226 | break; | |
1227 | ||
b0ac09d2 | 1228 | case btVoid: /* Void. */ |
252b5132 RH |
1229 | strcpy (p1, "void"); |
1230 | break; | |
1231 | ||
1232 | default: | |
1233 | sprintf (p1, _("Unknown basic type %d"), (int) basic_type); | |
1234 | break; | |
1235 | } | |
1236 | ||
1237 | p1 += strlen (buffer1); | |
1238 | ||
b0ac09d2 | 1239 | /* If this is a bitfield, get the bitsize. */ |
252b5132 RH |
1240 | if (u.ti.fBitfield) |
1241 | { | |
1242 | int bitsize; | |
1243 | ||
1244 | bitsize = AUX_GET_WIDTH (bigendian, &aux_ptr[indx++]); | |
1245 | sprintf (p1, " : %d", bitsize); | |
1246 | p1 += strlen (buffer1); | |
1247 | } | |
1248 | ||
b0ac09d2 | 1249 | /* Deal with any qualifiers. */ |
252b5132 RH |
1250 | if (qualifiers[0].type != tqNil) |
1251 | { | |
b0ac09d2 NC |
1252 | /* Snarf up any array bounds in the correct order. Arrays |
1253 | store 5 successive words in the aux. table: | |
1254 | word 0 RNDXR to type of the bounds (ie, int) | |
1255 | word 1 Current file descriptor index | |
1256 | word 2 low bound | |
1257 | word 3 high bound (or -1 if []) | |
1258 | word 4 stride size in bits. */ | |
252b5132 RH |
1259 | for (i = 0; i < 7; i++) |
1260 | { | |
1261 | if (qualifiers[i].type == tqArray) | |
1262 | { | |
1263 | qualifiers[i].low_bound = | |
1264 | AUX_GET_DNLOW (bigendian, &aux_ptr[indx+2]); | |
1265 | qualifiers[i].high_bound = | |
1266 | AUX_GET_DNHIGH (bigendian, &aux_ptr[indx+3]); | |
1267 | qualifiers[i].stride = | |
1268 | AUX_GET_WIDTH (bigendian, &aux_ptr[indx+4]); | |
1269 | indx += 5; | |
1270 | } | |
1271 | } | |
1272 | ||
b0ac09d2 | 1273 | /* Now print out the qualifiers. */ |
252b5132 RH |
1274 | for (i = 0; i < 6; i++) |
1275 | { | |
1276 | switch (qualifiers[i].type) | |
1277 | { | |
1278 | case tqNil: | |
1279 | case tqMax: | |
1280 | break; | |
1281 | ||
1282 | case tqPtr: | |
1283 | strcpy (p2, "ptr to "); | |
1284 | p2 += sizeof ("ptr to ")-1; | |
1285 | break; | |
1286 | ||
1287 | case tqVol: | |
1288 | strcpy (p2, "volatile "); | |
1289 | p2 += sizeof ("volatile ")-1; | |
1290 | break; | |
1291 | ||
1292 | case tqFar: | |
1293 | strcpy (p2, "far "); | |
1294 | p2 += sizeof ("far ")-1; | |
1295 | break; | |
1296 | ||
1297 | case tqProc: | |
1298 | strcpy (p2, "func. ret. "); | |
1299 | p2 += sizeof ("func. ret. "); | |
1300 | break; | |
1301 | ||
1302 | case tqArray: | |
1303 | { | |
1304 | int first_array = i; | |
1305 | int j; | |
1306 | ||
1307 | /* Print array bounds reversed (ie, in the order the C | |
1abaf976 | 1308 | programmer writes them). C is such a fun language.... */ |
252b5132 RH |
1309 | while (i < 5 && qualifiers[i+1].type == tqArray) |
1310 | i++; | |
1311 | ||
1312 | for (j = i; j >= first_array; j--) | |
1313 | { | |
1314 | strcpy (p2, "array ["); | |
1315 | p2 += sizeof ("array [")-1; | |
1316 | if (qualifiers[j].low_bound != 0) | |
1317 | sprintf (p2, | |
1318 | "%ld:%ld {%ld bits}", | |
1319 | (long) qualifiers[j].low_bound, | |
1320 | (long) qualifiers[j].high_bound, | |
1321 | (long) qualifiers[j].stride); | |
1322 | ||
1323 | else if (qualifiers[j].high_bound != -1) | |
1324 | sprintf (p2, | |
1325 | "%ld {%ld bits}", | |
1326 | (long) (qualifiers[j].high_bound + 1), | |
1327 | (long) (qualifiers[j].stride)); | |
1328 | ||
1329 | else | |
1330 | sprintf (p2, " {%ld bits}", (long) (qualifiers[j].stride)); | |
1331 | ||
1332 | p2 += strlen (p2); | |
1333 | strcpy (p2, "] of "); | |
1334 | p2 += sizeof ("] of ")-1; | |
1335 | } | |
1336 | } | |
1337 | break; | |
1338 | } | |
1339 | } | |
1340 | } | |
1341 | ||
1342 | strcpy (p2, buffer1); | |
1343 | return buffer2; | |
1344 | } | |
1345 | ||
1346 | /* Return information about ECOFF symbol SYMBOL in RET. */ | |
1347 | ||
252b5132 | 1348 | void |
3b5d3310 NC |
1349 | _bfd_ecoff_get_symbol_info (bfd *abfd ATTRIBUTE_UNUSED, |
1350 | asymbol *symbol, | |
1351 | symbol_info *ret) | |
252b5132 RH |
1352 | { |
1353 | bfd_symbol_info (symbol, ret); | |
1354 | } | |
1355 | ||
1356 | /* Return whether this is a local label. */ | |
1357 | ||
b34976b6 | 1358 | bfd_boolean |
3b5d3310 NC |
1359 | _bfd_ecoff_bfd_is_local_label_name (bfd *abfd ATTRIBUTE_UNUSED, |
1360 | const char *name) | |
252b5132 RH |
1361 | { |
1362 | return name[0] == '$'; | |
1363 | } | |
1364 | ||
1365 | /* Print information about an ECOFF symbol. */ | |
1366 | ||
1367 | void | |
3b5d3310 NC |
1368 | _bfd_ecoff_print_symbol (bfd *abfd, |
1369 | void * filep, | |
1370 | asymbol *symbol, | |
1371 | bfd_print_symbol_type how) | |
252b5132 RH |
1372 | { |
1373 | const struct ecoff_debug_swap * const debug_swap | |
1374 | = &ecoff_backend (abfd)->debug_swap; | |
1375 | FILE *file = (FILE *)filep; | |
1376 | ||
1377 | switch (how) | |
1378 | { | |
1379 | case bfd_print_symbol_name: | |
1380 | fprintf (file, "%s", symbol->name); | |
1381 | break; | |
1382 | case bfd_print_symbol_more: | |
1383 | if (ecoffsymbol (symbol)->local) | |
1384 | { | |
1385 | SYMR ecoff_sym; | |
1abaf976 | 1386 | |
252b5132 RH |
1387 | (*debug_swap->swap_sym_in) (abfd, ecoffsymbol (symbol)->native, |
1388 | &ecoff_sym); | |
1389 | fprintf (file, "ecoff local "); | |
1390 | fprintf_vma (file, (bfd_vma) ecoff_sym.value); | |
1391 | fprintf (file, " %x %x", (unsigned) ecoff_sym.st, | |
1392 | (unsigned) ecoff_sym.sc); | |
1393 | } | |
1394 | else | |
1395 | { | |
1396 | EXTR ecoff_ext; | |
1397 | ||
1398 | (*debug_swap->swap_ext_in) (abfd, ecoffsymbol (symbol)->native, | |
1399 | &ecoff_ext); | |
1400 | fprintf (file, "ecoff extern "); | |
1401 | fprintf_vma (file, (bfd_vma) ecoff_ext.asym.value); | |
1402 | fprintf (file, " %x %x", (unsigned) ecoff_ext.asym.st, | |
1403 | (unsigned) ecoff_ext.asym.sc); | |
1404 | } | |
1405 | break; | |
1406 | case bfd_print_symbol_all: | |
b0ac09d2 | 1407 | /* Print out the symbols in a reasonable way. */ |
252b5132 RH |
1408 | { |
1409 | char type; | |
1410 | int pos; | |
1411 | EXTR ecoff_ext; | |
1412 | char jmptbl; | |
1413 | char cobol_main; | |
1414 | char weakext; | |
1415 | ||
1416 | if (ecoffsymbol (symbol)->local) | |
1417 | { | |
1418 | (*debug_swap->swap_sym_in) (abfd, ecoffsymbol (symbol)->native, | |
1419 | &ecoff_ext.asym); | |
1420 | type = 'l'; | |
1421 | pos = ((((char *) ecoffsymbol (symbol)->native | |
1422 | - (char *) ecoff_data (abfd)->debug_info.external_sym) | |
1423 | / debug_swap->external_sym_size) | |
1424 | + ecoff_data (abfd)->debug_info.symbolic_header.iextMax); | |
1425 | jmptbl = ' '; | |
1426 | cobol_main = ' '; | |
1427 | weakext = ' '; | |
1428 | } | |
1429 | else | |
1430 | { | |
1431 | (*debug_swap->swap_ext_in) (abfd, ecoffsymbol (symbol)->native, | |
1432 | &ecoff_ext); | |
1433 | type = 'e'; | |
1434 | pos = (((char *) ecoffsymbol (symbol)->native | |
1435 | - (char *) ecoff_data (abfd)->debug_info.external_ext) | |
1436 | / debug_swap->external_ext_size); | |
1437 | jmptbl = ecoff_ext.jmptbl ? 'j' : ' '; | |
1438 | cobol_main = ecoff_ext.cobol_main ? 'c' : ' '; | |
1439 | weakext = ecoff_ext.weakext ? 'w' : ' '; | |
1440 | } | |
1441 | ||
1442 | fprintf (file, "[%3d] %c ", | |
1443 | pos, type); | |
1444 | fprintf_vma (file, (bfd_vma) ecoff_ext.asym.value); | |
1445 | fprintf (file, " st %x sc %x indx %x %c%c%c %s", | |
1446 | (unsigned) ecoff_ext.asym.st, | |
1447 | (unsigned) ecoff_ext.asym.sc, | |
1448 | (unsigned) ecoff_ext.asym.index, | |
1449 | jmptbl, cobol_main, weakext, | |
1450 | symbol->name); | |
1451 | ||
1452 | if (ecoffsymbol (symbol)->fdr != NULL | |
1453 | && ecoff_ext.asym.index != indexNil) | |
1454 | { | |
1455 | FDR *fdr; | |
1456 | unsigned int indx; | |
1457 | int bigendian; | |
1458 | bfd_size_type sym_base; | |
1459 | union aux_ext *aux_base; | |
1460 | ||
1461 | fdr = ecoffsymbol (symbol)->fdr; | |
1462 | indx = ecoff_ext.asym.index; | |
1463 | ||
1464 | /* sym_base is used to map the fdr relative indices which | |
1465 | appear in the file to the position number which we are | |
1466 | using. */ | |
1467 | sym_base = fdr->isymBase; | |
1468 | if (ecoffsymbol (symbol)->local) | |
1469 | sym_base += | |
1470 | ecoff_data (abfd)->debug_info.symbolic_header.iextMax; | |
1471 | ||
1472 | /* aux_base is the start of the aux entries for this file; | |
1473 | asym.index is an offset from this. */ | |
1474 | aux_base = (ecoff_data (abfd)->debug_info.external_aux | |
1475 | + fdr->iauxBase); | |
1476 | ||
1477 | /* The aux entries are stored in host byte order; the | |
1478 | order is indicated by a bit in the fdr. */ | |
1479 | bigendian = fdr->fBigendian; | |
1480 | ||
b0ac09d2 | 1481 | /* This switch is basically from gcc/mips-tdump.c. */ |
252b5132 RH |
1482 | switch (ecoff_ext.asym.st) |
1483 | { | |
1484 | case stNil: | |
1485 | case stLabel: | |
1486 | break; | |
1487 | ||
1488 | case stFile: | |
1489 | case stBlock: | |
1490 | fprintf (file, _("\n End+1 symbol: %ld"), | |
1491 | (long) (indx + sym_base)); | |
1492 | break; | |
1493 | ||
1494 | case stEnd: | |
1495 | if (ecoff_ext.asym.sc == scText | |
1496 | || ecoff_ext.asym.sc == scInfo) | |
1497 | fprintf (file, _("\n First symbol: %ld"), | |
1498 | (long) (indx + sym_base)); | |
1499 | else | |
1abaf976 | 1500 | fprintf (file, _("\n First symbol: %ld"), |
252b5132 RH |
1501 | ((long) |
1502 | (AUX_GET_ISYM (bigendian, | |
1503 | &aux_base[ecoff_ext.asym.index]) | |
1504 | + sym_base))); | |
1505 | break; | |
1506 | ||
1507 | case stProc: | |
1508 | case stStaticProc: | |
1509 | if (ECOFF_IS_STAB (&ecoff_ext.asym)) | |
1510 | ; | |
1511 | else if (ecoffsymbol (symbol)->local) | |
1512 | fprintf (file, _("\n End+1 symbol: %-7ld Type: %s"), | |
1513 | ((long) | |
1514 | (AUX_GET_ISYM (bigendian, | |
1515 | &aux_base[ecoff_ext.asym.index]) | |
1516 | + sym_base)), | |
1517 | ecoff_type_to_string (abfd, fdr, indx + 1)); | |
1518 | else | |
1519 | fprintf (file, _("\n Local symbol: %ld"), | |
1520 | ((long) indx | |
1521 | + (long) sym_base | |
1522 | + (ecoff_data (abfd) | |
1523 | ->debug_info.symbolic_header.iextMax))); | |
1524 | break; | |
1525 | ||
1526 | case stStruct: | |
1527 | fprintf (file, _("\n struct; End+1 symbol: %ld"), | |
1528 | (long) (indx + sym_base)); | |
1529 | break; | |
1530 | ||
1531 | case stUnion: | |
1532 | fprintf (file, _("\n union; End+1 symbol: %ld"), | |
1533 | (long) (indx + sym_base)); | |
1534 | break; | |
1535 | ||
1536 | case stEnum: | |
1537 | fprintf (file, _("\n enum; End+1 symbol: %ld"), | |
1538 | (long) (indx + sym_base)); | |
1539 | break; | |
1540 | ||
1541 | default: | |
1542 | if (! ECOFF_IS_STAB (&ecoff_ext.asym)) | |
1543 | fprintf (file, _("\n Type: %s"), | |
1544 | ecoff_type_to_string (abfd, fdr, indx)); | |
1545 | break; | |
1546 | } | |
1547 | } | |
1548 | } | |
1549 | break; | |
1550 | } | |
1551 | } | |
1552 | \f | |
1553 | /* Read in the relocs for a section. */ | |
1554 | ||
b34976b6 | 1555 | static bfd_boolean |
3b5d3310 NC |
1556 | ecoff_slurp_reloc_table (bfd *abfd, |
1557 | asection *section, | |
1558 | asymbol **symbols) | |
252b5132 RH |
1559 | { |
1560 | const struct ecoff_backend_data * const backend = ecoff_backend (abfd); | |
1561 | arelent *internal_relocs; | |
1562 | bfd_size_type external_reloc_size; | |
dc810e39 | 1563 | bfd_size_type amt; |
252b5132 RH |
1564 | char *external_relocs; |
1565 | arelent *rptr; | |
1566 | unsigned int i; | |
1567 | ||
3b5d3310 | 1568 | if (section->relocation != NULL |
252b5132 RH |
1569 | || section->reloc_count == 0 |
1570 | || (section->flags & SEC_CONSTRUCTOR) != 0) | |
b34976b6 | 1571 | return TRUE; |
252b5132 | 1572 | |
82e51918 | 1573 | if (! _bfd_ecoff_slurp_symbol_table (abfd)) |
b34976b6 | 1574 | return FALSE; |
1abaf976 | 1575 | |
dc810e39 AM |
1576 | amt = section->reloc_count; |
1577 | amt *= sizeof (arelent); | |
21d799b5 | 1578 | internal_relocs = (arelent *) bfd_alloc (abfd, amt); |
dc810e39 | 1579 | |
252b5132 | 1580 | external_reloc_size = backend->external_reloc_size; |
dc810e39 | 1581 | amt = external_reloc_size * section->reloc_count; |
21d799b5 | 1582 | external_relocs = (char *) bfd_alloc (abfd, amt); |
3b5d3310 | 1583 | if (internal_relocs == NULL || external_relocs == NULL) |
b34976b6 | 1584 | return FALSE; |
252b5132 | 1585 | if (bfd_seek (abfd, section->rel_filepos, SEEK_SET) != 0) |
b34976b6 | 1586 | return FALSE; |
dc810e39 | 1587 | if (bfd_bread (external_relocs, amt, abfd) != amt) |
b34976b6 | 1588 | return FALSE; |
252b5132 RH |
1589 | |
1590 | for (i = 0, rptr = internal_relocs; i < section->reloc_count; i++, rptr++) | |
1591 | { | |
1592 | struct internal_reloc intern; | |
1593 | ||
1594 | (*backend->swap_reloc_in) (abfd, | |
1595 | external_relocs + i * external_reloc_size, | |
1596 | &intern); | |
1597 | ||
1598 | if (intern.r_extern) | |
1599 | { | |
1600 | /* r_symndx is an index into the external symbols. */ | |
1601 | BFD_ASSERT (intern.r_symndx >= 0 | |
1602 | && (intern.r_symndx | |
1603 | < (ecoff_data (abfd) | |
1604 | ->debug_info.symbolic_header.iextMax))); | |
1605 | rptr->sym_ptr_ptr = symbols + intern.r_symndx; | |
1606 | rptr->addend = 0; | |
1607 | } | |
1608 | else if (intern.r_symndx == RELOC_SECTION_NONE | |
1609 | || intern.r_symndx == RELOC_SECTION_ABS) | |
1610 | { | |
1611 | rptr->sym_ptr_ptr = bfd_abs_section_ptr->symbol_ptr_ptr; | |
1612 | rptr->addend = 0; | |
1613 | } | |
1614 | else | |
1615 | { | |
dc810e39 | 1616 | const char *sec_name; |
252b5132 RH |
1617 | asection *sec; |
1618 | ||
1619 | /* r_symndx is a section key. */ | |
1620 | switch (intern.r_symndx) | |
1621 | { | |
3b5d3310 NC |
1622 | case RELOC_SECTION_TEXT: sec_name = _TEXT; break; |
1623 | case RELOC_SECTION_RDATA: sec_name = _RDATA; break; | |
1624 | case RELOC_SECTION_DATA: sec_name = _DATA; break; | |
1625 | case RELOC_SECTION_SDATA: sec_name = _SDATA; break; | |
1626 | case RELOC_SECTION_SBSS: sec_name = _SBSS; break; | |
1627 | case RELOC_SECTION_BSS: sec_name = _BSS; break; | |
1628 | case RELOC_SECTION_INIT: sec_name = _INIT; break; | |
1629 | case RELOC_SECTION_LIT8: sec_name = _LIT8; break; | |
1630 | case RELOC_SECTION_LIT4: sec_name = _LIT4; break; | |
1631 | case RELOC_SECTION_XDATA: sec_name = _XDATA; break; | |
1632 | case RELOC_SECTION_PDATA: sec_name = _PDATA; break; | |
1633 | case RELOC_SECTION_FINI: sec_name = _FINI; break; | |
1634 | case RELOC_SECTION_LITA: sec_name = _LITA; break; | |
1635 | case RELOC_SECTION_RCONST: sec_name = _RCONST; break; | |
252b5132 RH |
1636 | default: abort (); |
1637 | } | |
1638 | ||
1639 | sec = bfd_get_section_by_name (abfd, sec_name); | |
3b5d3310 | 1640 | if (sec == NULL) |
252b5132 RH |
1641 | abort (); |
1642 | rptr->sym_ptr_ptr = sec->symbol_ptr_ptr; | |
1643 | ||
1644 | rptr->addend = - bfd_get_section_vma (abfd, sec); | |
1645 | } | |
1646 | ||
1647 | rptr->address = intern.r_vaddr - bfd_get_section_vma (abfd, section); | |
1648 | ||
1649 | /* Let the backend select the howto field and do any other | |
1650 | required processing. */ | |
1651 | (*backend->adjust_reloc_in) (abfd, &intern, rptr); | |
1652 | } | |
1653 | ||
1654 | bfd_release (abfd, external_relocs); | |
1655 | ||
1656 | section->relocation = internal_relocs; | |
1657 | ||
b34976b6 | 1658 | return TRUE; |
252b5132 RH |
1659 | } |
1660 | ||
1661 | /* Get a canonical list of relocs. */ | |
1662 | ||
1663 | long | |
3b5d3310 NC |
1664 | _bfd_ecoff_canonicalize_reloc (bfd *abfd, |
1665 | asection *section, | |
1666 | arelent **relptr, | |
1667 | asymbol **symbols) | |
252b5132 RH |
1668 | { |
1669 | unsigned int count; | |
1670 | ||
1abaf976 | 1671 | if (section->flags & SEC_CONSTRUCTOR) |
252b5132 RH |
1672 | { |
1673 | arelent_chain *chain; | |
1674 | ||
1675 | /* This section has relocs made up by us, not the file, so take | |
1676 | them out of their chain and place them into the data area | |
1677 | provided. */ | |
1678 | for (count = 0, chain = section->constructor_chain; | |
1679 | count < section->reloc_count; | |
1680 | count++, chain = chain->next) | |
1681 | *relptr++ = &chain->relent; | |
1682 | } | |
1683 | else | |
1abaf976 | 1684 | { |
252b5132 RH |
1685 | arelent *tblptr; |
1686 | ||
82e51918 | 1687 | if (! ecoff_slurp_reloc_table (abfd, section, symbols)) |
252b5132 RH |
1688 | return -1; |
1689 | ||
1690 | tblptr = section->relocation; | |
1691 | ||
1692 | for (count = 0; count < section->reloc_count; count++) | |
1693 | *relptr++ = tblptr++; | |
1694 | } | |
1695 | ||
3b5d3310 | 1696 | *relptr = NULL; |
252b5132 RH |
1697 | |
1698 | return section->reloc_count; | |
1699 | } | |
1700 | \f | |
1701 | /* Provided a BFD, a section and an offset into the section, calculate | |
1702 | and return the name of the source file and the line nearest to the | |
1703 | wanted location. */ | |
1704 | ||
b34976b6 | 1705 | bfd_boolean |
3b5d3310 NC |
1706 | _bfd_ecoff_find_nearest_line (bfd *abfd, |
1707 | asection *section, | |
1708 | asymbol **ignore_symbols ATTRIBUTE_UNUSED, | |
1709 | bfd_vma offset, | |
1710 | const char **filename_ptr, | |
1711 | const char **functionname_ptr, | |
1712 | unsigned int *retline_ptr) | |
252b5132 RH |
1713 | { |
1714 | const struct ecoff_debug_swap * const debug_swap | |
1715 | = &ecoff_backend (abfd)->debug_swap; | |
1716 | struct ecoff_debug_info * const debug_info = &ecoff_data (abfd)->debug_info; | |
1717 | struct ecoff_find_line *line_info; | |
1718 | ||
1719 | /* Make sure we have the FDR's. */ | |
3b5d3310 | 1720 | if (! _bfd_ecoff_slurp_symbolic_info (abfd, NULL, debug_info) |
252b5132 | 1721 | || bfd_get_symcount (abfd) == 0) |
b34976b6 | 1722 | return FALSE; |
252b5132 RH |
1723 | |
1724 | if (ecoff_data (abfd)->find_line_info == NULL) | |
1725 | { | |
dc810e39 | 1726 | bfd_size_type amt = sizeof (struct ecoff_find_line); |
3b5d3310 | 1727 | |
21d799b5 NC |
1728 | ecoff_data (abfd)->find_line_info = |
1729 | (struct ecoff_find_line *) bfd_zalloc (abfd, amt); | |
252b5132 | 1730 | if (ecoff_data (abfd)->find_line_info == NULL) |
b34976b6 | 1731 | return FALSE; |
252b5132 RH |
1732 | } |
1733 | line_info = ecoff_data (abfd)->find_line_info; | |
1734 | ||
1735 | return _bfd_ecoff_locate_line (abfd, section, offset, debug_info, | |
1736 | debug_swap, line_info, filename_ptr, | |
1737 | functionname_ptr, retline_ptr); | |
1738 | } | |
1739 | \f | |
1740 | /* Copy private BFD data. This is called by objcopy and strip. We | |
1741 | use it to copy the ECOFF debugging information from one BFD to the | |
1742 | other. It would be theoretically possible to represent the ECOFF | |
1743 | debugging information in the symbol table. However, it would be a | |
1744 | lot of work, and there would be little gain (gas, gdb, and ld | |
1745 | already access the ECOFF debugging information via the | |
1746 | ecoff_debug_info structure, and that structure would have to be | |
1747 | retained in order to support ECOFF debugging in MIPS ELF). | |
1748 | ||
1749 | The debugging information for the ECOFF external symbols comes from | |
1750 | the symbol table, so this function only handles the other debugging | |
1751 | information. */ | |
1752 | ||
b34976b6 | 1753 | bfd_boolean |
3b5d3310 | 1754 | _bfd_ecoff_bfd_copy_private_bfd_data (bfd *ibfd, bfd *obfd) |
252b5132 RH |
1755 | { |
1756 | struct ecoff_debug_info *iinfo = &ecoff_data (ibfd)->debug_info; | |
1757 | struct ecoff_debug_info *oinfo = &ecoff_data (obfd)->debug_info; | |
3b5d3310 | 1758 | int i; |
252b5132 RH |
1759 | asymbol **sym_ptr_ptr; |
1760 | size_t c; | |
b34976b6 | 1761 | bfd_boolean local; |
252b5132 RH |
1762 | |
1763 | /* We only want to copy information over if both BFD's use ECOFF | |
1764 | format. */ | |
1765 | if (bfd_get_flavour (ibfd) != bfd_target_ecoff_flavour | |
1766 | || bfd_get_flavour (obfd) != bfd_target_ecoff_flavour) | |
b34976b6 | 1767 | return TRUE; |
252b5132 RH |
1768 | |
1769 | /* Copy the GP value and the register masks. */ | |
1770 | ecoff_data (obfd)->gp = ecoff_data (ibfd)->gp; | |
1771 | ecoff_data (obfd)->gprmask = ecoff_data (ibfd)->gprmask; | |
1772 | ecoff_data (obfd)->fprmask = ecoff_data (ibfd)->fprmask; | |
1773 | for (i = 0; i < 3; i++) | |
1774 | ecoff_data (obfd)->cprmask[i] = ecoff_data (ibfd)->cprmask[i]; | |
1775 | ||
1776 | /* Copy the version stamp. */ | |
1777 | oinfo->symbolic_header.vstamp = iinfo->symbolic_header.vstamp; | |
1778 | ||
1779 | /* If there are no symbols, don't copy any debugging information. */ | |
1780 | c = bfd_get_symcount (obfd); | |
1781 | sym_ptr_ptr = bfd_get_outsymbols (obfd); | |
3b5d3310 | 1782 | if (c == 0 || sym_ptr_ptr == NULL) |
b34976b6 | 1783 | return TRUE; |
252b5132 RH |
1784 | |
1785 | /* See if there are any local symbols. */ | |
b34976b6 | 1786 | local = FALSE; |
252b5132 RH |
1787 | for (; c > 0; c--, sym_ptr_ptr++) |
1788 | { | |
1789 | if (ecoffsymbol (*sym_ptr_ptr)->local) | |
1790 | { | |
b34976b6 | 1791 | local = TRUE; |
252b5132 RH |
1792 | break; |
1793 | } | |
1794 | } | |
1795 | ||
1796 | if (local) | |
1797 | { | |
1798 | /* There are some local symbols. We just bring over all the | |
1799 | debugging information. FIXME: This is not quite the right | |
1800 | thing to do. If the user has asked us to discard all | |
1801 | debugging information, then we are probably going to wind up | |
1802 | keeping it because there will probably be some local symbol | |
1803 | which objcopy did not discard. We should actually break | |
1804 | apart the debugging information and only keep that which | |
1805 | applies to the symbols we want to keep. */ | |
1806 | oinfo->symbolic_header.ilineMax = iinfo->symbolic_header.ilineMax; | |
1807 | oinfo->symbolic_header.cbLine = iinfo->symbolic_header.cbLine; | |
1808 | oinfo->line = iinfo->line; | |
1809 | ||
1810 | oinfo->symbolic_header.idnMax = iinfo->symbolic_header.idnMax; | |
1811 | oinfo->external_dnr = iinfo->external_dnr; | |
1812 | ||
1813 | oinfo->symbolic_header.ipdMax = iinfo->symbolic_header.ipdMax; | |
1814 | oinfo->external_pdr = iinfo->external_pdr; | |
1815 | ||
1816 | oinfo->symbolic_header.isymMax = iinfo->symbolic_header.isymMax; | |
1817 | oinfo->external_sym = iinfo->external_sym; | |
1818 | ||
1819 | oinfo->symbolic_header.ioptMax = iinfo->symbolic_header.ioptMax; | |
1820 | oinfo->external_opt = iinfo->external_opt; | |
1821 | ||
1822 | oinfo->symbolic_header.iauxMax = iinfo->symbolic_header.iauxMax; | |
1823 | oinfo->external_aux = iinfo->external_aux; | |
1824 | ||
1825 | oinfo->symbolic_header.issMax = iinfo->symbolic_header.issMax; | |
1826 | oinfo->ss = iinfo->ss; | |
1827 | ||
1828 | oinfo->symbolic_header.ifdMax = iinfo->symbolic_header.ifdMax; | |
1829 | oinfo->external_fdr = iinfo->external_fdr; | |
1830 | ||
1831 | oinfo->symbolic_header.crfd = iinfo->symbolic_header.crfd; | |
1832 | oinfo->external_rfd = iinfo->external_rfd; | |
1833 | } | |
1834 | else | |
1835 | { | |
1836 | /* We are discarding all the local symbol information. Look | |
1837 | through the external symbols and remove all references to FDR | |
1838 | or aux information. */ | |
1839 | c = bfd_get_symcount (obfd); | |
1840 | sym_ptr_ptr = bfd_get_outsymbols (obfd); | |
1841 | for (; c > 0; c--, sym_ptr_ptr++) | |
1842 | { | |
1843 | EXTR esym; | |
1844 | ||
1845 | (*(ecoff_backend (obfd)->debug_swap.swap_ext_in)) | |
1846 | (obfd, ecoffsymbol (*sym_ptr_ptr)->native, &esym); | |
1847 | esym.ifd = ifdNil; | |
1848 | esym.asym.index = indexNil; | |
1849 | (*(ecoff_backend (obfd)->debug_swap.swap_ext_out)) | |
1850 | (obfd, &esym, ecoffsymbol (*sym_ptr_ptr)->native); | |
1851 | } | |
1852 | } | |
1853 | ||
b34976b6 | 1854 | return TRUE; |
252b5132 RH |
1855 | } |
1856 | \f | |
1857 | /* Set the architecture. The supported architecture is stored in the | |
1858 | backend pointer. We always set the architecture anyhow, since many | |
1859 | callers ignore the return value. */ | |
1860 | ||
b34976b6 | 1861 | bfd_boolean |
3b5d3310 NC |
1862 | _bfd_ecoff_set_arch_mach (bfd *abfd, |
1863 | enum bfd_architecture arch, | |
1864 | unsigned long machine) | |
252b5132 RH |
1865 | { |
1866 | bfd_default_set_arch_mach (abfd, arch, machine); | |
1867 | return arch == ecoff_backend (abfd)->arch; | |
1868 | } | |
1869 | ||
1870 | /* Get the size of the section headers. */ | |
1871 | ||
252b5132 | 1872 | int |
a6b96beb AM |
1873 | _bfd_ecoff_sizeof_headers (bfd *abfd, |
1874 | struct bfd_link_info *info ATTRIBUTE_UNUSED) | |
252b5132 RH |
1875 | { |
1876 | asection *current; | |
1877 | int c; | |
1878 | int ret; | |
1879 | ||
1880 | c = 0; | |
1881 | for (current = abfd->sections; | |
3b5d3310 | 1882 | current != NULL; |
1abaf976 | 1883 | current = current->next) |
252b5132 RH |
1884 | ++c; |
1885 | ||
1886 | ret = (bfd_coff_filhsz (abfd) | |
1887 | + bfd_coff_aoutsz (abfd) | |
1888 | + c * bfd_coff_scnhsz (abfd)); | |
544008aa | 1889 | return (int) BFD_ALIGN (ret, 16); |
252b5132 RH |
1890 | } |
1891 | ||
1892 | /* Get the contents of a section. */ | |
1893 | ||
b34976b6 | 1894 | bfd_boolean |
3b5d3310 NC |
1895 | _bfd_ecoff_get_section_contents (bfd *abfd, |
1896 | asection *section, | |
1897 | void * location, | |
1898 | file_ptr offset, | |
1899 | bfd_size_type count) | |
252b5132 RH |
1900 | { |
1901 | return _bfd_generic_get_section_contents (abfd, section, location, | |
1902 | offset, count); | |
1903 | } | |
1904 | ||
1905 | /* Sort sections by VMA, but put SEC_ALLOC sections first. This is | |
1906 | called via qsort. */ | |
1907 | ||
1908 | static int | |
3b5d3310 | 1909 | ecoff_sort_hdrs (const void * arg1, const void * arg2) |
252b5132 RH |
1910 | { |
1911 | const asection *hdr1 = *(const asection **) arg1; | |
1912 | const asection *hdr2 = *(const asection **) arg2; | |
1913 | ||
1914 | if ((hdr1->flags & SEC_ALLOC) != 0) | |
1915 | { | |
1916 | if ((hdr2->flags & SEC_ALLOC) == 0) | |
1917 | return -1; | |
1918 | } | |
1919 | else | |
1920 | { | |
1921 | if ((hdr2->flags & SEC_ALLOC) != 0) | |
1922 | return 1; | |
1923 | } | |
1924 | if (hdr1->vma < hdr2->vma) | |
1925 | return -1; | |
1926 | else if (hdr1->vma > hdr2->vma) | |
1927 | return 1; | |
1928 | else | |
1929 | return 0; | |
1930 | } | |
1931 | ||
1932 | /* Calculate the file position for each section, and set | |
1933 | reloc_filepos. */ | |
1934 | ||
b34976b6 | 1935 | static bfd_boolean |
3b5d3310 | 1936 | ecoff_compute_section_file_positions (bfd *abfd) |
252b5132 RH |
1937 | { |
1938 | file_ptr sofar, file_sofar; | |
1939 | asection **sorted_hdrs; | |
1940 | asection *current; | |
1941 | unsigned int i; | |
1942 | file_ptr old_sofar; | |
b34976b6 AM |
1943 | bfd_boolean rdata_in_text; |
1944 | bfd_boolean first_data, first_nonalloc; | |
252b5132 | 1945 | const bfd_vma round = ecoff_backend (abfd)->round; |
dc810e39 | 1946 | bfd_size_type amt; |
252b5132 | 1947 | |
a6b96beb | 1948 | sofar = _bfd_ecoff_sizeof_headers (abfd, NULL); |
252b5132 RH |
1949 | file_sofar = sofar; |
1950 | ||
1951 | /* Sort the sections by VMA. */ | |
dc810e39 AM |
1952 | amt = abfd->section_count; |
1953 | amt *= sizeof (asection *); | |
21d799b5 | 1954 | sorted_hdrs = (asection **) bfd_malloc (amt); |
252b5132 | 1955 | if (sorted_hdrs == NULL) |
b34976b6 | 1956 | return FALSE; |
252b5132 RH |
1957 | for (current = abfd->sections, i = 0; |
1958 | current != NULL; | |
1959 | current = current->next, i++) | |
1960 | sorted_hdrs[i] = current; | |
1961 | BFD_ASSERT (i == abfd->section_count); | |
1962 | ||
1963 | qsort (sorted_hdrs, abfd->section_count, sizeof (asection *), | |
1964 | ecoff_sort_hdrs); | |
1965 | ||
1966 | /* Some versions of the OSF linker put the .rdata section in the | |
1967 | text segment, and some do not. */ | |
1968 | rdata_in_text = ecoff_backend (abfd)->rdata_in_text; | |
1969 | if (rdata_in_text) | |
1970 | { | |
1971 | for (i = 0; i < abfd->section_count; i++) | |
1972 | { | |
1973 | current = sorted_hdrs[i]; | |
3b5d3310 | 1974 | if (streq (current->name, _RDATA)) |
252b5132 RH |
1975 | break; |
1976 | if ((current->flags & SEC_CODE) == 0 | |
3b5d3310 NC |
1977 | && ! streq (current->name, _PDATA) |
1978 | && ! streq (current->name, _RCONST)) | |
252b5132 | 1979 | { |
b34976b6 | 1980 | rdata_in_text = FALSE; |
252b5132 RH |
1981 | break; |
1982 | } | |
1983 | } | |
1984 | } | |
1985 | ecoff_data (abfd)->rdata_in_text = rdata_in_text; | |
1986 | ||
b34976b6 AM |
1987 | first_data = TRUE; |
1988 | first_nonalloc = TRUE; | |
252b5132 RH |
1989 | for (i = 0; i < abfd->section_count; i++) |
1990 | { | |
1991 | unsigned int alignment_power; | |
1992 | ||
1993 | current = sorted_hdrs[i]; | |
1994 | ||
1995 | /* For the Alpha ECOFF .pdata section the lnnoptr field is | |
1996 | supposed to indicate the number of .pdata entries that are | |
1997 | really in the section. Each entry is 8 bytes. We store this | |
1998 | away in line_filepos before increasing the section size. */ | |
3b5d3310 | 1999 | if (streq (current->name, _PDATA)) |
eea6121a | 2000 | current->line_filepos = current->size / 8; |
252b5132 RH |
2001 | |
2002 | alignment_power = current->alignment_power; | |
2003 | ||
2004 | /* On Ultrix, the data sections in an executable file must be | |
2005 | aligned to a page boundary within the file. This does not | |
2006 | affect the section size, though. FIXME: Does this work for | |
2007 | other platforms? It requires some modification for the | |
2008 | Alpha, because .rdata on the Alpha goes with the text, not | |
2009 | the data. */ | |
2010 | if ((abfd->flags & EXEC_P) != 0 | |
2011 | && (abfd->flags & D_PAGED) != 0 | |
2012 | && ! first_data | |
2013 | && (current->flags & SEC_CODE) == 0 | |
2014 | && (! rdata_in_text | |
3b5d3310 NC |
2015 | || ! streq (current->name, _RDATA)) |
2016 | && ! streq (current->name, _PDATA) | |
2017 | && ! streq (current->name, _RCONST)) | |
252b5132 RH |
2018 | { |
2019 | sofar = (sofar + round - 1) &~ (round - 1); | |
2020 | file_sofar = (file_sofar + round - 1) &~ (round - 1); | |
b34976b6 | 2021 | first_data = FALSE; |
252b5132 | 2022 | } |
3b5d3310 | 2023 | else if (streq (current->name, _LIB)) |
252b5132 RH |
2024 | { |
2025 | /* On Irix 4, the location of contents of the .lib section | |
2026 | from a shared library section is also rounded up to a | |
2027 | page boundary. */ | |
2028 | ||
2029 | sofar = (sofar + round - 1) &~ (round - 1); | |
2030 | file_sofar = (file_sofar + round - 1) &~ (round - 1); | |
2031 | } | |
2032 | else if (first_nonalloc | |
2033 | && (current->flags & SEC_ALLOC) == 0 | |
2034 | && (abfd->flags & D_PAGED) != 0) | |
2035 | { | |
2036 | /* Skip up to the next page for an unallocated section, such | |
2037 | as the .comment section on the Alpha. This leaves room | |
2038 | for the .bss section. */ | |
b34976b6 | 2039 | first_nonalloc = FALSE; |
252b5132 RH |
2040 | sofar = (sofar + round - 1) &~ (round - 1); |
2041 | file_sofar = (file_sofar + round - 1) &~ (round - 1); | |
2042 | } | |
2043 | ||
2044 | /* Align the sections in the file to the same boundary on | |
2045 | which they are aligned in virtual memory. */ | |
2046 | sofar = BFD_ALIGN (sofar, 1 << alignment_power); | |
2047 | if ((current->flags & SEC_HAS_CONTENTS) != 0) | |
2048 | file_sofar = BFD_ALIGN (file_sofar, 1 << alignment_power); | |
2049 | ||
2050 | if ((abfd->flags & D_PAGED) != 0 | |
2051 | && (current->flags & SEC_ALLOC) != 0) | |
2052 | { | |
2053 | sofar += (current->vma - sofar) % round; | |
2054 | if ((current->flags & SEC_HAS_CONTENTS) != 0) | |
2055 | file_sofar += (current->vma - file_sofar) % round; | |
2056 | } | |
2057 | ||
2058 | if ((current->flags & (SEC_HAS_CONTENTS | SEC_LOAD)) != 0) | |
2059 | current->filepos = file_sofar; | |
2060 | ||
eea6121a | 2061 | sofar += current->size; |
252b5132 | 2062 | if ((current->flags & SEC_HAS_CONTENTS) != 0) |
eea6121a | 2063 | file_sofar += current->size; |
252b5132 | 2064 | |
b0ac09d2 | 2065 | /* Make sure that this section is of the right size too. */ |
252b5132 RH |
2066 | old_sofar = sofar; |
2067 | sofar = BFD_ALIGN (sofar, 1 << alignment_power); | |
2068 | if ((current->flags & SEC_HAS_CONTENTS) != 0) | |
2069 | file_sofar = BFD_ALIGN (file_sofar, 1 << alignment_power); | |
eea6121a | 2070 | current->size += sofar - old_sofar; |
252b5132 RH |
2071 | } |
2072 | ||
2073 | free (sorted_hdrs); | |
2074 | sorted_hdrs = NULL; | |
2075 | ||
2076 | ecoff_data (abfd)->reloc_filepos = file_sofar; | |
2077 | ||
b34976b6 | 2078 | return TRUE; |
252b5132 RH |
2079 | } |
2080 | ||
2081 | /* Determine the location of the relocs for all the sections in the | |
2082 | output file, as well as the location of the symbolic debugging | |
2083 | information. */ | |
2084 | ||
2085 | static bfd_size_type | |
3b5d3310 | 2086 | ecoff_compute_reloc_file_positions (bfd *abfd) |
252b5132 RH |
2087 | { |
2088 | const bfd_size_type external_reloc_size = | |
2089 | ecoff_backend (abfd)->external_reloc_size; | |
2090 | file_ptr reloc_base; | |
2091 | bfd_size_type reloc_size; | |
2092 | asection *current; | |
2093 | file_ptr sym_base; | |
2094 | ||
2095 | if (! abfd->output_has_begun) | |
2096 | { | |
2097 | if (! ecoff_compute_section_file_positions (abfd)) | |
2098 | abort (); | |
b34976b6 | 2099 | abfd->output_has_begun = TRUE; |
252b5132 | 2100 | } |
1abaf976 | 2101 | |
252b5132 RH |
2102 | reloc_base = ecoff_data (abfd)->reloc_filepos; |
2103 | ||
2104 | reloc_size = 0; | |
2105 | for (current = abfd->sections; | |
3b5d3310 | 2106 | current != NULL; |
1abaf976 | 2107 | current = current->next) |
252b5132 RH |
2108 | { |
2109 | if (current->reloc_count == 0) | |
2110 | current->rel_filepos = 0; | |
2111 | else | |
2112 | { | |
2113 | bfd_size_type relsize; | |
2114 | ||
2115 | current->rel_filepos = reloc_base; | |
2116 | relsize = current->reloc_count * external_reloc_size; | |
2117 | reloc_size += relsize; | |
2118 | reloc_base += relsize; | |
2119 | } | |
2120 | } | |
2121 | ||
2122 | sym_base = ecoff_data (abfd)->reloc_filepos + reloc_size; | |
2123 | ||
2124 | /* At least on Ultrix, the symbol table of an executable file must | |
2125 | be aligned to a page boundary. FIXME: Is this true on other | |
2126 | platforms? */ | |
2127 | if ((abfd->flags & EXEC_P) != 0 | |
2128 | && (abfd->flags & D_PAGED) != 0) | |
2129 | sym_base = ((sym_base + ecoff_backend (abfd)->round - 1) | |
2130 | &~ (ecoff_backend (abfd)->round - 1)); | |
2131 | ||
2132 | ecoff_data (abfd)->sym_filepos = sym_base; | |
2133 | ||
2134 | return reloc_size; | |
2135 | } | |
2136 | ||
2137 | /* Set the contents of a section. */ | |
2138 | ||
b34976b6 | 2139 | bfd_boolean |
3b5d3310 NC |
2140 | _bfd_ecoff_set_section_contents (bfd *abfd, |
2141 | asection *section, | |
2142 | const void * location, | |
2143 | file_ptr offset, | |
2144 | bfd_size_type count) | |
252b5132 | 2145 | { |
dc810e39 AM |
2146 | file_ptr pos; |
2147 | ||
252b5132 | 2148 | /* This must be done first, because bfd_set_section_contents is |
b34976b6 | 2149 | going to set output_has_begun to TRUE. */ |
3b5d3310 NC |
2150 | if (! abfd->output_has_begun |
2151 | && ! ecoff_compute_section_file_positions (abfd)) | |
2152 | return FALSE; | |
252b5132 RH |
2153 | |
2154 | /* Handle the .lib section specially so that Irix 4 shared libraries | |
2155 | work out. See coff_set_section_contents in coffcode.h. */ | |
3b5d3310 | 2156 | if (streq (section->name, _LIB)) |
252b5132 RH |
2157 | { |
2158 | bfd_byte *rec, *recend; | |
2159 | ||
2160 | rec = (bfd_byte *) location; | |
2161 | recend = rec + count; | |
2162 | while (rec < recend) | |
2163 | { | |
2164 | ++section->lma; | |
2165 | rec += bfd_get_32 (abfd, rec) * 4; | |
2166 | } | |
2167 | ||
2168 | BFD_ASSERT (rec == recend); | |
2169 | } | |
2170 | ||
2171 | if (count == 0) | |
b34976b6 | 2172 | return TRUE; |
252b5132 | 2173 | |
dc810e39 AM |
2174 | pos = section->filepos + offset; |
2175 | if (bfd_seek (abfd, pos, SEEK_SET) != 0 | |
2176 | || bfd_bwrite (location, count, abfd) != count) | |
b34976b6 | 2177 | return FALSE; |
252b5132 | 2178 | |
b34976b6 | 2179 | return TRUE; |
252b5132 RH |
2180 | } |
2181 | ||
2182 | /* Get the GP value for an ECOFF file. This is a hook used by | |
2183 | nlmconv. */ | |
2184 | ||
2185 | bfd_vma | |
3b5d3310 | 2186 | bfd_ecoff_get_gp_value (bfd *abfd) |
252b5132 RH |
2187 | { |
2188 | if (bfd_get_flavour (abfd) != bfd_target_ecoff_flavour | |
2189 | || bfd_get_format (abfd) != bfd_object) | |
2190 | { | |
2191 | bfd_set_error (bfd_error_invalid_operation); | |
2192 | return 0; | |
2193 | } | |
1abaf976 | 2194 | |
252b5132 RH |
2195 | return ecoff_data (abfd)->gp; |
2196 | } | |
2197 | ||
2198 | /* Set the GP value for an ECOFF file. This is a hook used by the | |
2199 | assembler. */ | |
2200 | ||
b34976b6 | 2201 | bfd_boolean |
3b5d3310 | 2202 | bfd_ecoff_set_gp_value (bfd *abfd, bfd_vma gp_value) |
252b5132 RH |
2203 | { |
2204 | if (bfd_get_flavour (abfd) != bfd_target_ecoff_flavour | |
2205 | || bfd_get_format (abfd) != bfd_object) | |
2206 | { | |
2207 | bfd_set_error (bfd_error_invalid_operation); | |
b34976b6 | 2208 | return FALSE; |
252b5132 RH |
2209 | } |
2210 | ||
2211 | ecoff_data (abfd)->gp = gp_value; | |
2212 | ||
b34976b6 | 2213 | return TRUE; |
252b5132 RH |
2214 | } |
2215 | ||
2216 | /* Set the register masks for an ECOFF file. This is a hook used by | |
2217 | the assembler. */ | |
2218 | ||
b34976b6 | 2219 | bfd_boolean |
3b5d3310 NC |
2220 | bfd_ecoff_set_regmasks (bfd *abfd, |
2221 | unsigned long gprmask, | |
2222 | unsigned long fprmask, | |
2223 | unsigned long *cprmask) | |
252b5132 RH |
2224 | { |
2225 | ecoff_data_type *tdata; | |
2226 | ||
2227 | if (bfd_get_flavour (abfd) != bfd_target_ecoff_flavour | |
2228 | || bfd_get_format (abfd) != bfd_object) | |
2229 | { | |
2230 | bfd_set_error (bfd_error_invalid_operation); | |
b34976b6 | 2231 | return FALSE; |
252b5132 RH |
2232 | } |
2233 | ||
2234 | tdata = ecoff_data (abfd); | |
2235 | tdata->gprmask = gprmask; | |
2236 | tdata->fprmask = fprmask; | |
3b5d3310 | 2237 | if (cprmask != NULL) |
252b5132 | 2238 | { |
b0ac09d2 | 2239 | int i; |
252b5132 RH |
2240 | |
2241 | for (i = 0; i < 3; i++) | |
2242 | tdata->cprmask[i] = cprmask[i]; | |
2243 | } | |
2244 | ||
b34976b6 | 2245 | return TRUE; |
252b5132 RH |
2246 | } |
2247 | ||
2248 | /* Get ECOFF EXTR information for an external symbol. This function | |
2249 | is passed to bfd_ecoff_debug_externals. */ | |
2250 | ||
b34976b6 | 2251 | static bfd_boolean |
3b5d3310 | 2252 | ecoff_get_extr (asymbol *sym, EXTR *esym) |
252b5132 RH |
2253 | { |
2254 | ecoff_symbol_type *ecoff_sym_ptr; | |
2255 | bfd *input_bfd; | |
2256 | ||
2257 | if (bfd_asymbol_flavour (sym) != bfd_target_ecoff_flavour | |
2258 | || ecoffsymbol (sym)->native == NULL) | |
2259 | { | |
2260 | /* Don't include debugging, local, or section symbols. */ | |
2261 | if ((sym->flags & BSF_DEBUGGING) != 0 | |
2262 | || (sym->flags & BSF_LOCAL) != 0 | |
2263 | || (sym->flags & BSF_SECTION_SYM) != 0) | |
b34976b6 | 2264 | return FALSE; |
252b5132 RH |
2265 | |
2266 | esym->jmptbl = 0; | |
2267 | esym->cobol_main = 0; | |
2268 | esym->weakext = (sym->flags & BSF_WEAK) != 0; | |
2269 | esym->reserved = 0; | |
2270 | esym->ifd = ifdNil; | |
2271 | /* FIXME: we can do better than this for st and sc. */ | |
2272 | esym->asym.st = stGlobal; | |
2273 | esym->asym.sc = scAbs; | |
2274 | esym->asym.reserved = 0; | |
2275 | esym->asym.index = indexNil; | |
b34976b6 | 2276 | return TRUE; |
252b5132 RH |
2277 | } |
2278 | ||
2279 | ecoff_sym_ptr = ecoffsymbol (sym); | |
2280 | ||
2281 | if (ecoff_sym_ptr->local) | |
b34976b6 | 2282 | return FALSE; |
252b5132 RH |
2283 | |
2284 | input_bfd = bfd_asymbol_bfd (sym); | |
2285 | (*(ecoff_backend (input_bfd)->debug_swap.swap_ext_in)) | |
2286 | (input_bfd, ecoff_sym_ptr->native, esym); | |
2287 | ||
2288 | /* If the symbol was defined by the linker, then esym will be | |
2289 | undefined but sym will not be. Get a better class for such a | |
2290 | symbol. */ | |
2291 | if ((esym->asym.sc == scUndefined | |
2292 | || esym->asym.sc == scSUndefined) | |
2293 | && ! bfd_is_und_section (bfd_get_section (sym))) | |
2294 | esym->asym.sc = scAbs; | |
2295 | ||
2296 | /* Adjust the FDR index for the symbol by that used for the input | |
2297 | BFD. */ | |
2298 | if (esym->ifd != -1) | |
2299 | { | |
2300 | struct ecoff_debug_info *input_debug; | |
2301 | ||
2302 | input_debug = &ecoff_data (input_bfd)->debug_info; | |
2303 | BFD_ASSERT (esym->ifd < input_debug->symbolic_header.ifdMax); | |
3b5d3310 | 2304 | if (input_debug->ifdmap != NULL) |
252b5132 RH |
2305 | esym->ifd = input_debug->ifdmap[esym->ifd]; |
2306 | } | |
2307 | ||
b34976b6 | 2308 | return TRUE; |
252b5132 RH |
2309 | } |
2310 | ||
2311 | /* Set the external symbol index. This routine is passed to | |
2312 | bfd_ecoff_debug_externals. */ | |
2313 | ||
2314 | static void | |
3b5d3310 | 2315 | ecoff_set_index (asymbol *sym, bfd_size_type indx) |
252b5132 RH |
2316 | { |
2317 | ecoff_set_sym_index (sym, indx); | |
2318 | } | |
2319 | ||
2320 | /* Write out an ECOFF file. */ | |
2321 | ||
b34976b6 | 2322 | bfd_boolean |
3b5d3310 | 2323 | _bfd_ecoff_write_object_contents (bfd *abfd) |
252b5132 RH |
2324 | { |
2325 | const struct ecoff_backend_data * const backend = ecoff_backend (abfd); | |
2326 | const bfd_vma round = backend->round; | |
2327 | const bfd_size_type filhsz = bfd_coff_filhsz (abfd); | |
2328 | const bfd_size_type aoutsz = bfd_coff_aoutsz (abfd); | |
2329 | const bfd_size_type scnhsz = bfd_coff_scnhsz (abfd); | |
2330 | const bfd_size_type external_hdr_size | |
2331 | = backend->debug_swap.external_hdr_size; | |
2332 | const bfd_size_type external_reloc_size = backend->external_reloc_size; | |
3b5d3310 | 2333 | void (* const adjust_reloc_out) (bfd *, const arelent *, struct internal_reloc *) |
252b5132 | 2334 | = backend->adjust_reloc_out; |
3b5d3310 | 2335 | void (* const swap_reloc_out) (bfd *, const struct internal_reloc *, void *) |
252b5132 RH |
2336 | = backend->swap_reloc_out; |
2337 | struct ecoff_debug_info * const debug = &ecoff_data (abfd)->debug_info; | |
2338 | HDRR * const symhdr = &debug->symbolic_header; | |
2339 | asection *current; | |
2340 | unsigned int count; | |
2341 | bfd_size_type reloc_size; | |
2342 | bfd_size_type text_size; | |
2343 | bfd_vma text_start; | |
b34976b6 | 2344 | bfd_boolean set_text_start; |
252b5132 RH |
2345 | bfd_size_type data_size; |
2346 | bfd_vma data_start; | |
b34976b6 | 2347 | bfd_boolean set_data_start; |
252b5132 | 2348 | bfd_size_type bss_size; |
3b5d3310 NC |
2349 | void * buff = NULL; |
2350 | void * reloc_buff = NULL; | |
252b5132 RH |
2351 | struct internal_filehdr internal_f; |
2352 | struct internal_aouthdr internal_a; | |
2353 | int i; | |
2354 | ||
2355 | /* Determine where the sections and relocs will go in the output | |
2356 | file. */ | |
2357 | reloc_size = ecoff_compute_reloc_file_positions (abfd); | |
2358 | ||
2359 | count = 1; | |
2360 | for (current = abfd->sections; | |
3b5d3310 | 2361 | current != NULL; |
1abaf976 | 2362 | current = current->next) |
252b5132 RH |
2363 | { |
2364 | current->target_index = count; | |
2365 | ++count; | |
2366 | } | |
2367 | ||
2368 | if ((abfd->flags & D_PAGED) != 0) | |
a6b96beb | 2369 | text_size = _bfd_ecoff_sizeof_headers (abfd, NULL); |
252b5132 RH |
2370 | else |
2371 | text_size = 0; | |
2372 | text_start = 0; | |
b34976b6 | 2373 | set_text_start = FALSE; |
252b5132 RH |
2374 | data_size = 0; |
2375 | data_start = 0; | |
b34976b6 | 2376 | set_data_start = FALSE; |
252b5132 RH |
2377 | bss_size = 0; |
2378 | ||
2379 | /* Write section headers to the file. */ | |
2380 | ||
2381 | /* Allocate buff big enough to hold a section header, | |
2382 | file header, or a.out header. */ | |
2383 | { | |
2384 | bfd_size_type siz; | |
3b5d3310 | 2385 | |
252b5132 RH |
2386 | siz = scnhsz; |
2387 | if (siz < filhsz) | |
2388 | siz = filhsz; | |
2389 | if (siz < aoutsz) | |
2390 | siz = aoutsz; | |
3b5d3310 | 2391 | buff = bfd_malloc (siz); |
252b5132 RH |
2392 | if (buff == NULL) |
2393 | goto error_return; | |
2394 | } | |
2395 | ||
2396 | internal_f.f_nscns = 0; | |
2397 | if (bfd_seek (abfd, (file_ptr) (filhsz + aoutsz), SEEK_SET) != 0) | |
2398 | goto error_return; | |
3b5d3310 | 2399 | |
252b5132 | 2400 | for (current = abfd->sections; |
3b5d3310 | 2401 | current != NULL; |
252b5132 RH |
2402 | current = current->next) |
2403 | { | |
2404 | struct internal_scnhdr section; | |
2405 | bfd_vma vma; | |
2406 | ||
2407 | ++internal_f.f_nscns; | |
2408 | ||
2409 | strncpy (section.s_name, current->name, sizeof section.s_name); | |
2410 | ||
2411 | /* This seems to be correct for Irix 4 shared libraries. */ | |
2412 | vma = bfd_get_section_vma (abfd, current); | |
3b5d3310 | 2413 | if (streq (current->name, _LIB)) |
252b5132 RH |
2414 | section.s_vaddr = 0; |
2415 | else | |
2416 | section.s_vaddr = vma; | |
2417 | ||
2418 | section.s_paddr = current->lma; | |
eea6121a | 2419 | section.s_size = current->size; |
252b5132 RH |
2420 | |
2421 | /* If this section is unloadable then the scnptr will be 0. */ | |
2422 | if ((current->flags & (SEC_LOAD | SEC_HAS_CONTENTS)) == 0) | |
2423 | section.s_scnptr = 0; | |
2424 | else | |
2425 | section.s_scnptr = current->filepos; | |
2426 | section.s_relptr = current->rel_filepos; | |
2427 | ||
2428 | /* FIXME: the lnnoptr of the .sbss or .sdata section of an | |
2429 | object file produced by the assembler is supposed to point to | |
2430 | information about how much room is required by objects of | |
2431 | various different sizes. I think this only matters if we | |
2432 | want the linker to compute the best size to use, or | |
2433 | something. I don't know what happens if the information is | |
2434 | not present. */ | |
3b5d3310 | 2435 | if (! streq (current->name, _PDATA)) |
252b5132 RH |
2436 | section.s_lnnoptr = 0; |
2437 | else | |
2438 | { | |
2439 | /* The Alpha ECOFF .pdata section uses the lnnoptr field to | |
2440 | hold the number of entries in the section (each entry is | |
2441 | 8 bytes). We stored this in the line_filepos field in | |
2442 | ecoff_compute_section_file_positions. */ | |
2443 | section.s_lnnoptr = current->line_filepos; | |
2444 | } | |
2445 | ||
2446 | section.s_nreloc = current->reloc_count; | |
2447 | section.s_nlnno = 0; | |
2448 | section.s_flags = ecoff_sec_to_styp_flags (current->name, | |
2449 | current->flags); | |
2450 | ||
3b5d3310 | 2451 | if (bfd_coff_swap_scnhdr_out (abfd, (void *) §ion, buff) == 0 |
dc810e39 | 2452 | || bfd_bwrite (buff, scnhsz, abfd) != scnhsz) |
252b5132 RH |
2453 | goto error_return; |
2454 | ||
2455 | if ((section.s_flags & STYP_TEXT) != 0 | |
2456 | || ((section.s_flags & STYP_RDATA) != 0 | |
2457 | && ecoff_data (abfd)->rdata_in_text) | |
2458 | || section.s_flags == STYP_PDATA | |
2459 | || (section.s_flags & STYP_DYNAMIC) != 0 | |
2460 | || (section.s_flags & STYP_LIBLIST) != 0 | |
2461 | || (section.s_flags & STYP_RELDYN) != 0 | |
2462 | || section.s_flags == STYP_CONFLIC | |
2463 | || (section.s_flags & STYP_DYNSTR) != 0 | |
2464 | || (section.s_flags & STYP_DYNSYM) != 0 | |
2465 | || (section.s_flags & STYP_HASH) != 0 | |
2466 | || (section.s_flags & STYP_ECOFF_INIT) != 0 | |
2467 | || (section.s_flags & STYP_ECOFF_FINI) != 0 | |
2468 | || section.s_flags == STYP_RCONST) | |
2469 | { | |
eea6121a | 2470 | text_size += current->size; |
252b5132 RH |
2471 | if (! set_text_start || text_start > vma) |
2472 | { | |
2473 | text_start = vma; | |
b34976b6 | 2474 | set_text_start = TRUE; |
252b5132 RH |
2475 | } |
2476 | } | |
2477 | else if ((section.s_flags & STYP_RDATA) != 0 | |
2478 | || (section.s_flags & STYP_DATA) != 0 | |
2479 | || (section.s_flags & STYP_LITA) != 0 | |
2480 | || (section.s_flags & STYP_LIT8) != 0 | |
2481 | || (section.s_flags & STYP_LIT4) != 0 | |
2482 | || (section.s_flags & STYP_SDATA) != 0 | |
2483 | || section.s_flags == STYP_XDATA | |
2484 | || (section.s_flags & STYP_GOT) != 0) | |
2485 | { | |
eea6121a | 2486 | data_size += current->size; |
252b5132 RH |
2487 | if (! set_data_start || data_start > vma) |
2488 | { | |
2489 | data_start = vma; | |
b34976b6 | 2490 | set_data_start = TRUE; |
252b5132 RH |
2491 | } |
2492 | } | |
2493 | else if ((section.s_flags & STYP_BSS) != 0 | |
2494 | || (section.s_flags & STYP_SBSS) != 0) | |
eea6121a | 2495 | bss_size += current->size; |
252b5132 RH |
2496 | else if (section.s_flags == 0 |
2497 | || (section.s_flags & STYP_ECOFF_LIB) != 0 | |
2498 | || section.s_flags == STYP_COMMENT) | |
b0ac09d2 | 2499 | /* Do nothing. */ ; |
252b5132 RH |
2500 | else |
2501 | abort (); | |
1abaf976 | 2502 | } |
252b5132 RH |
2503 | |
2504 | /* Set up the file header. */ | |
252b5132 RH |
2505 | internal_f.f_magic = ecoff_get_magic (abfd); |
2506 | ||
2507 | /* We will NOT put a fucking timestamp in the header here. Every | |
2508 | time you put it back, I will come in and take it out again. I'm | |
2509 | sorry. This field does not belong here. We fill it with a 0 so | |
2510 | it compares the same but is not a reasonable time. -- | |
2511 | gnu@cygnus.com. */ | |
2512 | internal_f.f_timdat = 0; | |
2513 | ||
2514 | if (bfd_get_symcount (abfd) != 0) | |
2515 | { | |
2516 | /* The ECOFF f_nsyms field is not actually the number of | |
2517 | symbols, it's the size of symbolic information header. */ | |
2518 | internal_f.f_nsyms = external_hdr_size; | |
2519 | internal_f.f_symptr = ecoff_data (abfd)->sym_filepos; | |
2520 | } | |
2521 | else | |
2522 | { | |
2523 | internal_f.f_nsyms = 0; | |
2524 | internal_f.f_symptr = 0; | |
2525 | } | |
2526 | ||
2527 | internal_f.f_opthdr = aoutsz; | |
2528 | ||
2529 | internal_f.f_flags = F_LNNO; | |
2530 | if (reloc_size == 0) | |
2531 | internal_f.f_flags |= F_RELFLG; | |
2532 | if (bfd_get_symcount (abfd) == 0) | |
2533 | internal_f.f_flags |= F_LSYMS; | |
2534 | if (abfd->flags & EXEC_P) | |
2535 | internal_f.f_flags |= F_EXEC; | |
2536 | ||
2537 | if (bfd_little_endian (abfd)) | |
2538 | internal_f.f_flags |= F_AR32WR; | |
2539 | else | |
2540 | internal_f.f_flags |= F_AR32W; | |
2541 | ||
2542 | /* Set up the ``optional'' header. */ | |
2543 | if ((abfd->flags & D_PAGED) != 0) | |
2544 | internal_a.magic = ECOFF_AOUT_ZMAGIC; | |
2545 | else | |
2546 | internal_a.magic = ECOFF_AOUT_OMAGIC; | |
2547 | ||
2548 | /* FIXME: Is this really correct? */ | |
2549 | internal_a.vstamp = symhdr->vstamp; | |
2550 | ||
2551 | /* At least on Ultrix, these have to be rounded to page boundaries. | |
2552 | FIXME: Is this true on other platforms? */ | |
2553 | if ((abfd->flags & D_PAGED) != 0) | |
2554 | { | |
2555 | internal_a.tsize = (text_size + round - 1) &~ (round - 1); | |
2556 | internal_a.text_start = text_start &~ (round - 1); | |
2557 | internal_a.dsize = (data_size + round - 1) &~ (round - 1); | |
2558 | internal_a.data_start = data_start &~ (round - 1); | |
2559 | } | |
2560 | else | |
2561 | { | |
2562 | internal_a.tsize = text_size; | |
2563 | internal_a.text_start = text_start; | |
2564 | internal_a.dsize = data_size; | |
2565 | internal_a.data_start = data_start; | |
2566 | } | |
2567 | ||
2568 | /* On Ultrix, the initial portions of the .sbss and .bss segments | |
2569 | are at the end of the data section. The bsize field in the | |
2570 | optional header records how many bss bytes are required beyond | |
2571 | those in the data section. The value is not rounded to a page | |
2572 | boundary. */ | |
2573 | if (bss_size < internal_a.dsize - data_size) | |
2574 | bss_size = 0; | |
2575 | else | |
2576 | bss_size -= internal_a.dsize - data_size; | |
2577 | internal_a.bsize = bss_size; | |
2578 | internal_a.bss_start = internal_a.data_start + internal_a.dsize; | |
2579 | ||
2580 | internal_a.entry = bfd_get_start_address (abfd); | |
2581 | ||
2582 | internal_a.gp_value = ecoff_data (abfd)->gp; | |
2583 | ||
2584 | internal_a.gprmask = ecoff_data (abfd)->gprmask; | |
2585 | internal_a.fprmask = ecoff_data (abfd)->fprmask; | |
2586 | for (i = 0; i < 4; i++) | |
2587 | internal_a.cprmask[i] = ecoff_data (abfd)->cprmask[i]; | |
2588 | ||
2589 | /* Let the backend adjust the headers if necessary. */ | |
2590 | if (backend->adjust_headers) | |
2591 | { | |
2592 | if (! (*backend->adjust_headers) (abfd, &internal_f, &internal_a)) | |
2593 | goto error_return; | |
2594 | } | |
2595 | ||
2596 | /* Write out the file header and the optional header. */ | |
252b5132 RH |
2597 | if (bfd_seek (abfd, (file_ptr) 0, SEEK_SET) != 0) |
2598 | goto error_return; | |
2599 | ||
3b5d3310 | 2600 | bfd_coff_swap_filehdr_out (abfd, (void *) &internal_f, buff); |
dc810e39 | 2601 | if (bfd_bwrite (buff, filhsz, abfd) != filhsz) |
252b5132 RH |
2602 | goto error_return; |
2603 | ||
3b5d3310 | 2604 | bfd_coff_swap_aouthdr_out (abfd, (void *) &internal_a, buff); |
dc810e39 | 2605 | if (bfd_bwrite (buff, aoutsz, abfd) != aoutsz) |
252b5132 RH |
2606 | goto error_return; |
2607 | ||
2608 | /* Build the external symbol information. This must be done before | |
2609 | writing out the relocs so that we know the symbol indices. We | |
2610 | don't do this if this BFD was created by the backend linker, | |
2611 | since it will have already handled the symbols and relocs. */ | |
2612 | if (! ecoff_data (abfd)->linker) | |
2613 | { | |
2614 | symhdr->iextMax = 0; | |
2615 | symhdr->issExtMax = 0; | |
2616 | debug->external_ext = debug->external_ext_end = NULL; | |
2617 | debug->ssext = debug->ssext_end = NULL; | |
82e51918 AM |
2618 | if (! bfd_ecoff_debug_externals (abfd, debug, &backend->debug_swap, |
2619 | (abfd->flags & EXEC_P) == 0, | |
2620 | ecoff_get_extr, ecoff_set_index)) | |
252b5132 RH |
2621 | goto error_return; |
2622 | ||
2623 | /* Write out the relocs. */ | |
2624 | for (current = abfd->sections; | |
3b5d3310 | 2625 | current != NULL; |
252b5132 RH |
2626 | current = current->next) |
2627 | { | |
2628 | arelent **reloc_ptr_ptr; | |
2629 | arelent **reloc_end; | |
2630 | char *out_ptr; | |
dc810e39 | 2631 | bfd_size_type amt; |
252b5132 RH |
2632 | |
2633 | if (current->reloc_count == 0) | |
2634 | continue; | |
2635 | ||
dc810e39 AM |
2636 | amt = current->reloc_count * external_reloc_size; |
2637 | reloc_buff = bfd_alloc (abfd, amt); | |
252b5132 RH |
2638 | if (reloc_buff == NULL) |
2639 | goto error_return; | |
2640 | ||
2641 | reloc_ptr_ptr = current->orelocation; | |
2642 | reloc_end = reloc_ptr_ptr + current->reloc_count; | |
2643 | out_ptr = (char *) reloc_buff; | |
0adc9281 | 2644 | |
252b5132 RH |
2645 | for (; |
2646 | reloc_ptr_ptr < reloc_end; | |
2647 | reloc_ptr_ptr++, out_ptr += external_reloc_size) | |
2648 | { | |
2649 | arelent *reloc; | |
2650 | asymbol *sym; | |
2651 | struct internal_reloc in; | |
1abaf976 | 2652 | |
3b5d3310 | 2653 | memset ((void *) &in, 0, sizeof in); |
252b5132 RH |
2654 | |
2655 | reloc = *reloc_ptr_ptr; | |
2656 | sym = *reloc->sym_ptr_ptr; | |
2657 | ||
0adc9281 NC |
2658 | /* If the howto field has not been initialised then skip this reloc. |
2659 | This assumes that an error message has been issued elsewhere. */ | |
2660 | if (reloc->howto == NULL) | |
2661 | continue; | |
2662 | ||
252b5132 RH |
2663 | in.r_vaddr = (reloc->address |
2664 | + bfd_get_section_vma (abfd, current)); | |
2665 | in.r_type = reloc->howto->type; | |
2666 | ||
2667 | if ((sym->flags & BSF_SECTION_SYM) == 0) | |
2668 | { | |
2669 | in.r_symndx = ecoff_get_sym_index (*reloc->sym_ptr_ptr); | |
2670 | in.r_extern = 1; | |
2671 | } | |
2672 | else | |
2673 | { | |
dc810e39 | 2674 | const char *name; |
91d6fa6a | 2675 | unsigned int j; |
3b5d3310 NC |
2676 | static struct |
2677 | { | |
2678 | const char * name; | |
2679 | long r_symndx; | |
2680 | } | |
2681 | section_symndx [] = | |
2682 | { | |
2683 | { _TEXT, RELOC_SECTION_TEXT }, | |
2684 | { _RDATA, RELOC_SECTION_RDATA }, | |
2685 | { _DATA, RELOC_SECTION_DATA }, | |
2686 | { _SDATA, RELOC_SECTION_SDATA }, | |
2687 | { _SBSS, RELOC_SECTION_SBSS }, | |
2688 | { _BSS, RELOC_SECTION_BSS }, | |
2689 | { _INIT, RELOC_SECTION_INIT }, | |
2690 | { _LIT8, RELOC_SECTION_LIT8 }, | |
2691 | { _LIT4, RELOC_SECTION_LIT4 }, | |
2692 | { _XDATA, RELOC_SECTION_XDATA }, | |
2693 | { _PDATA, RELOC_SECTION_PDATA }, | |
2694 | { _FINI, RELOC_SECTION_FINI }, | |
2695 | { _LITA, RELOC_SECTION_LITA }, | |
2696 | { "*ABS*", RELOC_SECTION_ABS }, | |
2697 | { _RCONST, RELOC_SECTION_RCONST } | |
2698 | }; | |
252b5132 RH |
2699 | |
2700 | name = bfd_get_section_name (abfd, bfd_get_section (sym)); | |
3b5d3310 | 2701 | |
91d6fa6a NC |
2702 | for (j = 0; j < ARRAY_SIZE (section_symndx); j++) |
2703 | if (streq (name, section_symndx[j].name)) | |
3b5d3310 | 2704 | { |
91d6fa6a | 2705 | in.r_symndx = section_symndx[j].r_symndx; |
3b5d3310 NC |
2706 | break; |
2707 | } | |
2708 | ||
91d6fa6a | 2709 | if (j == ARRAY_SIZE (section_symndx)) |
252b5132 RH |
2710 | abort (); |
2711 | in.r_extern = 0; | |
2712 | } | |
2713 | ||
2714 | (*adjust_reloc_out) (abfd, reloc, &in); | |
2715 | ||
3b5d3310 | 2716 | (*swap_reloc_out) (abfd, &in, (void *) out_ptr); |
252b5132 RH |
2717 | } |
2718 | ||
2719 | if (bfd_seek (abfd, current->rel_filepos, SEEK_SET) != 0) | |
2720 | goto error_return; | |
dc810e39 AM |
2721 | amt = current->reloc_count * external_reloc_size; |
2722 | if (bfd_bwrite (reloc_buff, amt, abfd) != amt) | |
252b5132 RH |
2723 | goto error_return; |
2724 | bfd_release (abfd, reloc_buff); | |
2725 | reloc_buff = NULL; | |
2726 | } | |
2727 | ||
2728 | /* Write out the symbolic debugging information. */ | |
2729 | if (bfd_get_symcount (abfd) > 0) | |
2730 | { | |
2731 | /* Write out the debugging information. */ | |
82e51918 AM |
2732 | if (! bfd_ecoff_write_debug (abfd, debug, &backend->debug_swap, |
2733 | ecoff_data (abfd)->sym_filepos)) | |
252b5132 RH |
2734 | goto error_return; |
2735 | } | |
2736 | } | |
2737 | ||
2738 | /* The .bss section of a demand paged executable must receive an | |
2739 | entire page. If there are symbols, the symbols will start on the | |
2740 | next page. If there are no symbols, we must fill out the page by | |
2741 | hand. */ | |
2742 | if (bfd_get_symcount (abfd) == 0 | |
2743 | && (abfd->flags & EXEC_P) != 0 | |
2744 | && (abfd->flags & D_PAGED) != 0) | |
2745 | { | |
2746 | char c; | |
2747 | ||
2748 | if (bfd_seek (abfd, (file_ptr) ecoff_data (abfd)->sym_filepos - 1, | |
2749 | SEEK_SET) != 0) | |
2750 | goto error_return; | |
dc810e39 | 2751 | if (bfd_bread (&c, (bfd_size_type) 1, abfd) == 0) |
252b5132 RH |
2752 | c = 0; |
2753 | if (bfd_seek (abfd, (file_ptr) ecoff_data (abfd)->sym_filepos - 1, | |
2754 | SEEK_SET) != 0) | |
2755 | goto error_return; | |
dc810e39 | 2756 | if (bfd_bwrite (&c, (bfd_size_type) 1, abfd) != 1) |
252b5132 RH |
2757 | goto error_return; |
2758 | } | |
2759 | ||
2760 | if (reloc_buff != NULL) | |
2761 | bfd_release (abfd, reloc_buff); | |
2762 | if (buff != NULL) | |
2763 | free (buff); | |
b34976b6 | 2764 | return TRUE; |
252b5132 RH |
2765 | error_return: |
2766 | if (reloc_buff != NULL) | |
2767 | bfd_release (abfd, reloc_buff); | |
2768 | if (buff != NULL) | |
2769 | free (buff); | |
b34976b6 | 2770 | return FALSE; |
252b5132 RH |
2771 | } |
2772 | \f | |
2773 | /* Archive handling. ECOFF uses what appears to be a unique type of | |
2774 | archive header (armap). The byte ordering of the armap and the | |
2775 | contents are encoded in the name of the armap itself. At least for | |
2776 | now, we only support archives with the same byte ordering in the | |
2777 | armap and the contents. | |
2778 | ||
2779 | The first four bytes in the armap are the number of symbol | |
2780 | definitions. This is always a power of two. | |
2781 | ||
2782 | This is followed by the symbol definitions. Each symbol definition | |
2783 | occupies 8 bytes. The first four bytes are the offset from the | |
2784 | start of the armap strings to the null-terminated string naming | |
2785 | this symbol. The second four bytes are the file offset to the | |
2786 | archive member which defines this symbol. If the second four bytes | |
2787 | are 0, then this is not actually a symbol definition, and it should | |
2788 | be ignored. | |
2789 | ||
2790 | The symbols are hashed into the armap with a closed hashing scheme. | |
2791 | See the functions below for the details of the algorithm. | |
2792 | ||
2793 | After the symbol definitions comes four bytes holding the size of | |
2794 | the string table, followed by the string table itself. */ | |
2795 | ||
2796 | /* The name of an archive headers looks like this: | |
2797 | __________E[BL]E[BL]_ (with a trailing space). | |
2798 | The trailing space is changed to an X if the archive is changed to | |
2799 | indicate that the armap is out of date. | |
2800 | ||
2801 | The Alpha seems to use ________64E[BL]E[BL]_. */ | |
2802 | ||
3b5d3310 NC |
2803 | #define ARMAP_BIG_ENDIAN 'B' |
2804 | #define ARMAP_LITTLE_ENDIAN 'L' | |
2805 | #define ARMAP_MARKER 'E' | |
2806 | #define ARMAP_START_LENGTH 10 | |
2807 | #define ARMAP_HEADER_MARKER_INDEX 10 | |
2808 | #define ARMAP_HEADER_ENDIAN_INDEX 11 | |
2809 | #define ARMAP_OBJECT_MARKER_INDEX 12 | |
2810 | #define ARMAP_OBJECT_ENDIAN_INDEX 13 | |
2811 | #define ARMAP_END_INDEX 14 | |
2812 | #define ARMAP_END "_ " | |
252b5132 RH |
2813 | |
2814 | /* This is a magic number used in the hashing algorithm. */ | |
3b5d3310 | 2815 | #define ARMAP_HASH_MAGIC 0x9dd68ab5 |
252b5132 RH |
2816 | |
2817 | /* This returns the hash value to use for a string. It also sets | |
2818 | *REHASH to the rehash adjustment if the first slot is taken. SIZE | |
2819 | is the number of entries in the hash table, and HLOG is the log | |
2820 | base 2 of SIZE. */ | |
2821 | ||
2822 | static unsigned int | |
3b5d3310 NC |
2823 | ecoff_armap_hash (const char *s, |
2824 | unsigned int *rehash, | |
2825 | unsigned int size, | |
2826 | unsigned int hlog) | |
252b5132 RH |
2827 | { |
2828 | unsigned int hash; | |
2829 | ||
2830 | if (hlog == 0) | |
2831 | return 0; | |
2832 | hash = *s++; | |
2833 | while (*s != '\0') | |
2834 | hash = ((hash >> 27) | (hash << 5)) + *s++; | |
2835 | hash *= ARMAP_HASH_MAGIC; | |
2836 | *rehash = (hash & (size - 1)) | 1; | |
2837 | return hash >> (32 - hlog); | |
2838 | } | |
2839 | ||
2840 | /* Read in the armap. */ | |
2841 | ||
b34976b6 | 2842 | bfd_boolean |
3b5d3310 | 2843 | _bfd_ecoff_slurp_armap (bfd *abfd) |
252b5132 RH |
2844 | { |
2845 | char nextname[17]; | |
2846 | unsigned int i; | |
2847 | struct areltdata *mapdata; | |
2848 | bfd_size_type parsed_size; | |
2849 | char *raw_armap; | |
2850 | struct artdata *ardata; | |
2851 | unsigned int count; | |
2852 | char *raw_ptr; | |
c6a3cf87 | 2853 | carsym *symdef_ptr; |
252b5132 | 2854 | char *stringbase; |
dc810e39 | 2855 | bfd_size_type amt; |
1abaf976 | 2856 | |
252b5132 | 2857 | /* Get the name of the first element. */ |
3b5d3310 | 2858 | i = bfd_bread ((void *) nextname, (bfd_size_type) 16, abfd); |
252b5132 | 2859 | if (i == 0) |
b34976b6 | 2860 | return TRUE; |
252b5132 | 2861 | if (i != 16) |
b34976b6 | 2862 | return FALSE; |
252b5132 RH |
2863 | |
2864 | if (bfd_seek (abfd, (file_ptr) -16, SEEK_CUR) != 0) | |
b34976b6 | 2865 | return FALSE; |
252b5132 RH |
2866 | |
2867 | /* Irix 4.0.5F apparently can use either an ECOFF armap or a | |
2868 | standard COFF armap. We could move the ECOFF armap stuff into | |
2869 | bfd_slurp_armap, but that seems inappropriate since no other | |
2870 | target uses this format. Instead, we check directly for a COFF | |
2871 | armap. */ | |
0112cd26 | 2872 | if (CONST_STRNEQ (nextname, "/ ")) |
252b5132 RH |
2873 | return bfd_slurp_armap (abfd); |
2874 | ||
2875 | /* See if the first element is an armap. */ | |
3b5d3310 | 2876 | if (! strneq (nextname, ecoff_backend (abfd)->armap_start, ARMAP_START_LENGTH) |
252b5132 RH |
2877 | || nextname[ARMAP_HEADER_MARKER_INDEX] != ARMAP_MARKER |
2878 | || (nextname[ARMAP_HEADER_ENDIAN_INDEX] != ARMAP_BIG_ENDIAN | |
2879 | && nextname[ARMAP_HEADER_ENDIAN_INDEX] != ARMAP_LITTLE_ENDIAN) | |
2880 | || nextname[ARMAP_OBJECT_MARKER_INDEX] != ARMAP_MARKER | |
2881 | || (nextname[ARMAP_OBJECT_ENDIAN_INDEX] != ARMAP_BIG_ENDIAN | |
2882 | && nextname[ARMAP_OBJECT_ENDIAN_INDEX] != ARMAP_LITTLE_ENDIAN) | |
3b5d3310 | 2883 | || ! strneq (nextname + ARMAP_END_INDEX, ARMAP_END, sizeof ARMAP_END - 1)) |
252b5132 | 2884 | { |
b34976b6 AM |
2885 | bfd_has_map (abfd) = FALSE; |
2886 | return TRUE; | |
252b5132 RH |
2887 | } |
2888 | ||
2889 | /* Make sure we have the right byte ordering. */ | |
2890 | if (((nextname[ARMAP_HEADER_ENDIAN_INDEX] == ARMAP_BIG_ENDIAN) | |
2891 | ^ (bfd_header_big_endian (abfd))) | |
2892 | || ((nextname[ARMAP_OBJECT_ENDIAN_INDEX] == ARMAP_BIG_ENDIAN) | |
2893 | ^ (bfd_big_endian (abfd)))) | |
2894 | { | |
2895 | bfd_set_error (bfd_error_wrong_format); | |
b34976b6 | 2896 | return FALSE; |
252b5132 RH |
2897 | } |
2898 | ||
2899 | /* Read in the armap. */ | |
2900 | ardata = bfd_ardata (abfd); | |
2901 | mapdata = (struct areltdata *) _bfd_read_ar_hdr (abfd); | |
3b5d3310 | 2902 | if (mapdata == NULL) |
b34976b6 | 2903 | return FALSE; |
252b5132 | 2904 | parsed_size = mapdata->parsed_size; |
06e7acd7 | 2905 | free (mapdata); |
1abaf976 | 2906 | |
21d799b5 | 2907 | raw_armap = (char *) bfd_alloc (abfd, parsed_size); |
3b5d3310 | 2908 | if (raw_armap == NULL) |
b34976b6 | 2909 | return FALSE; |
1abaf976 | 2910 | |
3b5d3310 | 2911 | if (bfd_bread ((void *) raw_armap, parsed_size, abfd) != parsed_size) |
252b5132 RH |
2912 | { |
2913 | if (bfd_get_error () != bfd_error_system_call) | |
2914 | bfd_set_error (bfd_error_malformed_archive); | |
3b5d3310 | 2915 | bfd_release (abfd, (void *) raw_armap); |
b34976b6 | 2916 | return FALSE; |
252b5132 | 2917 | } |
1abaf976 | 2918 | |
3b5d3310 | 2919 | ardata->tdata = (void *) raw_armap; |
252b5132 | 2920 | |
dc810e39 | 2921 | count = H_GET_32 (abfd, raw_armap); |
252b5132 RH |
2922 | |
2923 | ardata->symdef_count = 0; | |
3b5d3310 | 2924 | ardata->cache = NULL; |
252b5132 RH |
2925 | |
2926 | /* This code used to overlay the symdefs over the raw archive data, | |
2927 | but that doesn't work on a 64 bit host. */ | |
252b5132 RH |
2928 | stringbase = raw_armap + count * 8 + 8; |
2929 | ||
2930 | #ifdef CHECK_ARMAP_HASH | |
2931 | { | |
2932 | unsigned int hlog; | |
2933 | ||
2934 | /* Double check that I have the hashing algorithm right by making | |
2935 | sure that every symbol can be looked up successfully. */ | |
2936 | hlog = 0; | |
2937 | for (i = 1; i < count; i <<= 1) | |
2938 | hlog++; | |
2939 | BFD_ASSERT (i == count); | |
2940 | ||
2941 | raw_ptr = raw_armap + 4; | |
2942 | for (i = 0; i < count; i++, raw_ptr += 8) | |
2943 | { | |
2944 | unsigned int name_offset, file_offset; | |
2945 | unsigned int hash, rehash, srch; | |
1abaf976 | 2946 | |
dc810e39 AM |
2947 | name_offset = H_GET_32 (abfd, raw_ptr); |
2948 | file_offset = H_GET_32 (abfd, (raw_ptr + 4)); | |
252b5132 RH |
2949 | if (file_offset == 0) |
2950 | continue; | |
2951 | hash = ecoff_armap_hash (stringbase + name_offset, &rehash, count, | |
2952 | hlog); | |
2953 | if (hash == i) | |
2954 | continue; | |
2955 | ||
2956 | /* See if we can rehash to this location. */ | |
2957 | for (srch = (hash + rehash) & (count - 1); | |
2958 | srch != hash && srch != i; | |
2959 | srch = (srch + rehash) & (count - 1)) | |
dc810e39 | 2960 | BFD_ASSERT (H_GET_32 (abfd, (raw_armap + 8 + srch * 8)) != 0); |
252b5132 RH |
2961 | BFD_ASSERT (srch == i); |
2962 | } | |
2963 | } | |
2964 | ||
2965 | #endif /* CHECK_ARMAP_HASH */ | |
2966 | ||
2967 | raw_ptr = raw_armap + 4; | |
2968 | for (i = 0; i < count; i++, raw_ptr += 8) | |
dc810e39 | 2969 | if (H_GET_32 (abfd, (raw_ptr + 4)) != 0) |
252b5132 RH |
2970 | ++ardata->symdef_count; |
2971 | ||
dc810e39 | 2972 | amt = ardata->symdef_count; |
c6a3cf87 AM |
2973 | amt *= sizeof (carsym); |
2974 | symdef_ptr = (carsym *) bfd_alloc (abfd, amt); | |
252b5132 | 2975 | if (!symdef_ptr) |
b34976b6 | 2976 | return FALSE; |
252b5132 | 2977 | |
c6a3cf87 | 2978 | ardata->symdefs = symdef_ptr; |
252b5132 RH |
2979 | |
2980 | raw_ptr = raw_armap + 4; | |
2981 | for (i = 0; i < count; i++, raw_ptr += 8) | |
2982 | { | |
2983 | unsigned int name_offset, file_offset; | |
2984 | ||
dc810e39 | 2985 | file_offset = H_GET_32 (abfd, (raw_ptr + 4)); |
252b5132 RH |
2986 | if (file_offset == 0) |
2987 | continue; | |
dc810e39 | 2988 | name_offset = H_GET_32 (abfd, raw_ptr); |
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; | |
2997 | ||
b34976b6 | 2998 | bfd_has_map (abfd) = TRUE; |
252b5132 | 2999 | |
b34976b6 | 3000 | return TRUE; |
252b5132 RH |
3001 | } |
3002 | ||
3003 | /* Write out an armap. */ | |
3004 | ||
b34976b6 | 3005 | bfd_boolean |
3b5d3310 NC |
3006 | _bfd_ecoff_write_armap (bfd *abfd, |
3007 | unsigned int elength, | |
3008 | struct orl *map, | |
3009 | unsigned int orl_count, | |
3010 | int stridx) | |
252b5132 RH |
3011 | { |
3012 | unsigned int hashsize, hashlog; | |
dc810e39 | 3013 | bfd_size_type symdefsize; |
252b5132 RH |
3014 | int padit; |
3015 | unsigned int stringsize; | |
3016 | unsigned int mapsize; | |
3017 | file_ptr firstreal; | |
3018 | struct ar_hdr hdr; | |
3019 | struct stat statbuf; | |
3020 | unsigned int i; | |
3021 | bfd_byte temp[4]; | |
3022 | bfd_byte *hashtable; | |
3023 | bfd *current; | |
3024 | bfd *last_elt; | |
3025 | ||
3026 | /* Ultrix appears to use as a hash table size the least power of two | |
3027 | greater than twice the number of entries. */ | |
3028 | for (hashlog = 0; ((unsigned int) 1 << hashlog) <= 2 * orl_count; hashlog++) | |
3029 | ; | |
3030 | hashsize = 1 << hashlog; | |
3031 | ||
3032 | symdefsize = hashsize * 8; | |
3033 | padit = stridx % 2; | |
3034 | stringsize = stridx + padit; | |
3035 | ||
1abaf976 | 3036 | /* Include 8 bytes to store symdefsize and stringsize in output. */ |
252b5132 RH |
3037 | mapsize = symdefsize + stringsize + 8; |
3038 | ||
3039 | firstreal = SARMAG + sizeof (struct ar_hdr) + mapsize + elength; | |
3040 | ||
3b5d3310 | 3041 | memset ((void *) &hdr, 0, sizeof hdr); |
252b5132 RH |
3042 | |
3043 | /* Work out the ECOFF armap name. */ | |
3044 | strcpy (hdr.ar_name, ecoff_backend (abfd)->armap_start); | |
3045 | hdr.ar_name[ARMAP_HEADER_MARKER_INDEX] = ARMAP_MARKER; | |
3046 | hdr.ar_name[ARMAP_HEADER_ENDIAN_INDEX] = | |
3047 | (bfd_header_big_endian (abfd) | |
3048 | ? ARMAP_BIG_ENDIAN | |
3049 | : ARMAP_LITTLE_ENDIAN); | |
3050 | hdr.ar_name[ARMAP_OBJECT_MARKER_INDEX] = ARMAP_MARKER; | |
3051 | hdr.ar_name[ARMAP_OBJECT_ENDIAN_INDEX] = | |
3052 | bfd_big_endian (abfd) ? ARMAP_BIG_ENDIAN : ARMAP_LITTLE_ENDIAN; | |
3053 | memcpy (hdr.ar_name + ARMAP_END_INDEX, ARMAP_END, sizeof ARMAP_END - 1); | |
3054 | ||
3055 | /* Write the timestamp of the archive header to be just a little bit | |
3056 | later than the timestamp of the file, otherwise the linker will | |
3057 | complain that the index is out of date. Actually, the Ultrix | |
3058 | linker just checks the archive name; the GNU linker may check the | |
3059 | date. */ | |
3060 | stat (abfd->filename, &statbuf); | |
c6a3cf87 AM |
3061 | _bfd_ar_spacepad (hdr.ar_date, sizeof (hdr.ar_date), "%ld", |
3062 | (long) (statbuf.st_mtime + 60)); | |
252b5132 RH |
3063 | |
3064 | /* The DECstation uses zeroes for the uid, gid and mode of the | |
3065 | armap. */ | |
3066 | hdr.ar_uid[0] = '0'; | |
3067 | hdr.ar_gid[0] = '0'; | |
1abaf976 | 3068 | /* Building gcc ends up extracting the armap as a file - twice. */ |
ec0ef80e DD |
3069 | hdr.ar_mode[0] = '6'; |
3070 | hdr.ar_mode[1] = '4'; | |
3071 | hdr.ar_mode[2] = '4'; | |
252b5132 | 3072 | |
c6a3cf87 | 3073 | _bfd_ar_spacepad (hdr.ar_size, sizeof (hdr.ar_size), "%-10ld", mapsize); |
252b5132 RH |
3074 | |
3075 | hdr.ar_fmag[0] = '`'; | |
3076 | hdr.ar_fmag[1] = '\012'; | |
3077 | ||
3078 | /* Turn all null bytes in the header into spaces. */ | |
3079 | for (i = 0; i < sizeof (struct ar_hdr); i++) | |
1abaf976 KH |
3080 | if (((char *) (&hdr))[i] == '\0') |
3081 | (((char *) (&hdr))[i]) = ' '; | |
252b5132 | 3082 | |
3b5d3310 | 3083 | if (bfd_bwrite ((void *) &hdr, (bfd_size_type) sizeof (struct ar_hdr), abfd) |
252b5132 | 3084 | != sizeof (struct ar_hdr)) |
b34976b6 | 3085 | return FALSE; |
252b5132 | 3086 | |
dc810e39 | 3087 | H_PUT_32 (abfd, hashsize, temp); |
3b5d3310 | 3088 | if (bfd_bwrite ((void *) temp, (bfd_size_type) 4, abfd) != 4) |
b34976b6 | 3089 | return FALSE; |
1abaf976 | 3090 | |
21d799b5 | 3091 | hashtable = (bfd_byte *) bfd_zalloc (abfd, symdefsize); |
252b5132 | 3092 | if (!hashtable) |
b34976b6 | 3093 | return FALSE; |
252b5132 RH |
3094 | |
3095 | current = abfd->archive_head; | |
3096 | last_elt = current; | |
3097 | for (i = 0; i < orl_count; i++) | |
3098 | { | |
1b0b5b1b | 3099 | unsigned int hash, rehash = 0; |
252b5132 RH |
3100 | |
3101 | /* Advance firstreal to the file position of this archive | |
3102 | element. */ | |
dc810e39 | 3103 | if (map[i].u.abfd != last_elt) |
252b5132 RH |
3104 | { |
3105 | do | |
3106 | { | |
3107 | firstreal += arelt_size (current) + sizeof (struct ar_hdr); | |
3108 | firstreal += firstreal % 2; | |
cc481421 | 3109 | current = current->archive_next; |
252b5132 | 3110 | } |
dc810e39 | 3111 | while (current != map[i].u.abfd); |
252b5132 RH |
3112 | } |
3113 | ||
3114 | last_elt = current; | |
3115 | ||
3116 | hash = ecoff_armap_hash (*map[i].name, &rehash, hashsize, hashlog); | |
dc810e39 | 3117 | if (H_GET_32 (abfd, (hashtable + (hash * 8) + 4)) != 0) |
252b5132 RH |
3118 | { |
3119 | unsigned int srch; | |
3120 | ||
3121 | /* The desired slot is already taken. */ | |
3122 | for (srch = (hash + rehash) & (hashsize - 1); | |
3123 | srch != hash; | |
3124 | srch = (srch + rehash) & (hashsize - 1)) | |
dc810e39 | 3125 | if (H_GET_32 (abfd, (hashtable + (srch * 8) + 4)) == 0) |
252b5132 RH |
3126 | break; |
3127 | ||
3128 | BFD_ASSERT (srch != hash); | |
3129 | ||
3130 | hash = srch; | |
3131 | } | |
1abaf976 | 3132 | |
dc810e39 AM |
3133 | H_PUT_32 (abfd, map[i].namidx, (hashtable + hash * 8)); |
3134 | H_PUT_32 (abfd, firstreal, (hashtable + hash * 8 + 4)); | |
252b5132 RH |
3135 | } |
3136 | ||
3b5d3310 | 3137 | if (bfd_bwrite ((void *) hashtable, symdefsize, abfd) != symdefsize) |
b34976b6 | 3138 | return FALSE; |
252b5132 RH |
3139 | |
3140 | bfd_release (abfd, hashtable); | |
3141 | ||
3142 | /* Now write the strings. */ | |
dc810e39 | 3143 | H_PUT_32 (abfd, stringsize, temp); |
3b5d3310 | 3144 | if (bfd_bwrite ((void *) temp, (bfd_size_type) 4, abfd) != 4) |
b34976b6 | 3145 | return FALSE; |
252b5132 RH |
3146 | for (i = 0; i < orl_count; i++) |
3147 | { | |
3148 | bfd_size_type len; | |
3149 | ||
3150 | len = strlen (*map[i].name) + 1; | |
3b5d3310 | 3151 | if (bfd_bwrite ((void *) (*map[i].name), len, abfd) != len) |
b34976b6 | 3152 | return FALSE; |
252b5132 RH |
3153 | } |
3154 | ||
3155 | /* The spec sez this should be a newline. But in order to be | |
3156 | bug-compatible for DECstation ar we use a null. */ | |
3157 | if (padit) | |
3158 | { | |
dc810e39 | 3159 | if (bfd_bwrite ("", (bfd_size_type) 1, abfd) != 1) |
b34976b6 | 3160 | return FALSE; |
252b5132 RH |
3161 | } |
3162 | ||
b34976b6 | 3163 | return TRUE; |
252b5132 | 3164 | } |
252b5132 RH |
3165 | \f |
3166 | /* ECOFF linker code. */ | |
3167 | ||
252b5132 RH |
3168 | /* Routine to create an entry in an ECOFF link hash table. */ |
3169 | ||
3170 | static struct bfd_hash_entry * | |
3b5d3310 NC |
3171 | ecoff_link_hash_newfunc (struct bfd_hash_entry *entry, |
3172 | struct bfd_hash_table *table, | |
3173 | const char *string) | |
252b5132 RH |
3174 | { |
3175 | struct ecoff_link_hash_entry *ret = (struct ecoff_link_hash_entry *) entry; | |
3176 | ||
3177 | /* Allocate the structure if it has not already been allocated by a | |
3178 | subclass. */ | |
3b5d3310 | 3179 | if (ret == NULL) |
252b5132 RH |
3180 | ret = ((struct ecoff_link_hash_entry *) |
3181 | bfd_hash_allocate (table, sizeof (struct ecoff_link_hash_entry))); | |
3b5d3310 | 3182 | if (ret == NULL) |
252b5132 RH |
3183 | return NULL; |
3184 | ||
3185 | /* Call the allocation method of the superclass. */ | |
3186 | ret = ((struct ecoff_link_hash_entry *) | |
3187 | _bfd_link_hash_newfunc ((struct bfd_hash_entry *) ret, | |
3188 | table, string)); | |
3189 | ||
3190 | if (ret) | |
3191 | { | |
3192 | /* Set local fields. */ | |
3193 | ret->indx = -1; | |
3194 | ret->abfd = NULL; | |
3195 | ret->written = 0; | |
3196 | ret->small = 0; | |
3197 | } | |
3b5d3310 | 3198 | memset ((void *) &ret->esym, 0, sizeof ret->esym); |
252b5132 RH |
3199 | |
3200 | return (struct bfd_hash_entry *) ret; | |
3201 | } | |
3202 | ||
3203 | /* Create an ECOFF link hash table. */ | |
3204 | ||
3205 | struct bfd_link_hash_table * | |
3b5d3310 | 3206 | _bfd_ecoff_bfd_link_hash_table_create (bfd *abfd) |
252b5132 RH |
3207 | { |
3208 | struct ecoff_link_hash_table *ret; | |
dc810e39 | 3209 | bfd_size_type amt = sizeof (struct ecoff_link_hash_table); |
252b5132 | 3210 | |
21d799b5 | 3211 | ret = (struct ecoff_link_hash_table *) bfd_malloc (amt); |
252b5132 RH |
3212 | if (ret == NULL) |
3213 | return NULL; | |
66eb6687 AM |
3214 | if (!_bfd_link_hash_table_init (&ret->root, abfd, |
3215 | ecoff_link_hash_newfunc, | |
3216 | sizeof (struct ecoff_link_hash_entry))) | |
252b5132 RH |
3217 | { |
3218 | free (ret); | |
3b5d3310 | 3219 | return NULL; |
252b5132 RH |
3220 | } |
3221 | return &ret->root; | |
3222 | } | |
3223 | ||
3224 | /* Look up an entry in an ECOFF link hash table. */ | |
3225 | ||
3226 | #define ecoff_link_hash_lookup(table, string, create, copy, follow) \ | |
3227 | ((struct ecoff_link_hash_entry *) \ | |
3228 | bfd_link_hash_lookup (&(table)->root, (string), (create), (copy), (follow))) | |
3229 | ||
252b5132 RH |
3230 | /* Get the ECOFF link hash table from the info structure. This is |
3231 | just a cast. */ | |
3232 | ||
3233 | #define ecoff_hash_table(p) ((struct ecoff_link_hash_table *) ((p)->hash)) | |
3234 | ||
3b5d3310 NC |
3235 | /* Add the external symbols of an object file to the global linker |
3236 | hash table. The external symbols and strings we are passed are | |
3237 | just allocated on the stack, and will be discarded. We must | |
3238 | explicitly save any information we may need later on in the link. | |
3239 | We do not want to read the external symbol information again. */ | |
252b5132 | 3240 | |
b34976b6 | 3241 | static bfd_boolean |
3b5d3310 NC |
3242 | ecoff_link_add_externals (bfd *abfd, |
3243 | struct bfd_link_info *info, | |
3244 | void * external_ext, | |
3245 | char *ssext) | |
252b5132 RH |
3246 | { |
3247 | const struct ecoff_backend_data * const backend = ecoff_backend (abfd); | |
3b5d3310 NC |
3248 | void (* const swap_ext_in) (bfd *, void *, EXTR *) |
3249 | = backend->debug_swap.swap_ext_in; | |
3250 | bfd_size_type external_ext_size = backend->debug_swap.external_ext_size; | |
3251 | unsigned long ext_count; | |
3252 | struct bfd_link_hash_entry **sym_hash; | |
3253 | char *ext_ptr; | |
3254 | char *ext_end; | |
3255 | bfd_size_type amt; | |
252b5132 | 3256 | |
3b5d3310 | 3257 | ext_count = ecoff_data (abfd)->debug_info.symbolic_header.iextMax; |
252b5132 | 3258 | |
3b5d3310 NC |
3259 | amt = ext_count; |
3260 | amt *= sizeof (struct bfd_link_hash_entry *); | |
21d799b5 | 3261 | sym_hash = (struct bfd_link_hash_entry **) bfd_alloc (abfd, amt); |
3b5d3310 NC |
3262 | if (!sym_hash) |
3263 | return FALSE; | |
3264 | ecoff_data (abfd)->sym_hashes = (struct ecoff_link_hash_entry **) sym_hash; | |
252b5132 | 3265 | |
3b5d3310 NC |
3266 | ext_ptr = (char *) external_ext; |
3267 | ext_end = ext_ptr + ext_count * external_ext_size; | |
3268 | for (; ext_ptr < ext_end; ext_ptr += external_ext_size, sym_hash++) | |
252b5132 | 3269 | { |
3b5d3310 NC |
3270 | EXTR esym; |
3271 | bfd_boolean skip; | |
3272 | bfd_vma value; | |
3273 | asection *section; | |
252b5132 | 3274 | const char *name; |
3b5d3310 | 3275 | struct ecoff_link_hash_entry *h; |
252b5132 | 3276 | |
3b5d3310 | 3277 | *sym_hash = NULL; |
252b5132 | 3278 | |
3b5d3310 | 3279 | (*swap_ext_in) (abfd, (void *) ext_ptr, &esym); |
252b5132 | 3280 | |
3b5d3310 NC |
3281 | /* Skip debugging symbols. */ |
3282 | skip = FALSE; | |
3283 | switch (esym.asym.st) | |
252b5132 | 3284 | { |
3b5d3310 NC |
3285 | case stGlobal: |
3286 | case stStatic: | |
3287 | case stLabel: | |
3288 | case stProc: | |
3289 | case stStaticProc: | |
3290 | break; | |
3291 | default: | |
3292 | skip = TRUE; | |
3293 | break; | |
252b5132 RH |
3294 | } |
3295 | ||
3b5d3310 NC |
3296 | if (skip) |
3297 | continue; | |
252b5132 | 3298 | |
3b5d3310 NC |
3299 | /* Get the information for this symbol. */ |
3300 | value = esym.asym.value; | |
3301 | switch (esym.asym.sc) | |
252b5132 | 3302 | { |
3b5d3310 NC |
3303 | default: |
3304 | case scNil: | |
3305 | case scRegister: | |
3306 | case scCdbLocal: | |
3307 | case scBits: | |
3308 | case scCdbSystem: | |
3309 | case scRegImage: | |
3310 | case scInfo: | |
3311 | case scUserStruct: | |
3312 | case scVar: | |
3313 | case scVarRegister: | |
3314 | case scVariant: | |
3315 | case scBasedVar: | |
3316 | case scXData: | |
3317 | case scPData: | |
3318 | section = NULL; | |
3319 | break; | |
3320 | case scText: | |
3321 | section = bfd_make_section_old_way (abfd, _TEXT); | |
3322 | value -= section->vma; | |
3323 | break; | |
3324 | case scData: | |
3325 | section = bfd_make_section_old_way (abfd, _DATA); | |
3326 | value -= section->vma; | |
3327 | break; | |
3328 | case scBss: | |
3329 | section = bfd_make_section_old_way (abfd, _BSS); | |
3330 | value -= section->vma; | |
3331 | break; | |
3332 | case scAbs: | |
3333 | section = bfd_abs_section_ptr; | |
3334 | break; | |
3335 | case scUndefined: | |
3336 | section = bfd_und_section_ptr; | |
3337 | break; | |
3338 | case scSData: | |
3339 | section = bfd_make_section_old_way (abfd, _SDATA); | |
3340 | value -= section->vma; | |
3341 | break; | |
3342 | case scSBss: | |
3343 | section = bfd_make_section_old_way (abfd, _SBSS); | |
3344 | value -= section->vma; | |
3345 | break; | |
3346 | case scRData: | |
3347 | section = bfd_make_section_old_way (abfd, _RDATA); | |
3348 | value -= section->vma; | |
3349 | break; | |
3350 | case scCommon: | |
3351 | if (value > ecoff_data (abfd)->gp_size) | |
252b5132 | 3352 | { |
3b5d3310 NC |
3353 | section = bfd_com_section_ptr; |
3354 | break; | |
252b5132 | 3355 | } |
3b5d3310 NC |
3356 | /* Fall through. */ |
3357 | case scSCommon: | |
3358 | if (ecoff_scom_section.name == NULL) | |
252b5132 | 3359 | { |
3b5d3310 NC |
3360 | /* Initialize the small common section. */ |
3361 | ecoff_scom_section.name = SCOMMON; | |
3362 | ecoff_scom_section.flags = SEC_IS_COMMON; | |
3363 | ecoff_scom_section.output_section = &ecoff_scom_section; | |
3364 | ecoff_scom_section.symbol = &ecoff_scom_symbol; | |
3365 | ecoff_scom_section.symbol_ptr_ptr = &ecoff_scom_symbol_ptr; | |
3366 | ecoff_scom_symbol.name = SCOMMON; | |
3367 | ecoff_scom_symbol.flags = BSF_SECTION_SYM; | |
3368 | ecoff_scom_symbol.section = &ecoff_scom_section; | |
3369 | ecoff_scom_symbol_ptr = &ecoff_scom_symbol; | |
252b5132 | 3370 | } |
3b5d3310 NC |
3371 | section = &ecoff_scom_section; |
3372 | break; | |
3373 | case scSUndefined: | |
3374 | section = bfd_und_section_ptr; | |
3375 | break; | |
3376 | case scInit: | |
3377 | section = bfd_make_section_old_way (abfd, _INIT); | |
3378 | value -= section->vma; | |
3379 | break; | |
3380 | case scFini: | |
3381 | section = bfd_make_section_old_way (abfd, _FINI); | |
3382 | value -= section->vma; | |
3383 | break; | |
3384 | case scRConst: | |
3385 | section = bfd_make_section_old_way (abfd, _RCONST); | |
3386 | value -= section->vma; | |
3387 | break; | |
252b5132 RH |
3388 | } |
3389 | ||
3b5d3310 NC |
3390 | if (section == NULL) |
3391 | continue; | |
252b5132 | 3392 | |
3b5d3310 | 3393 | name = ssext + esym.asym.iss; |
252b5132 | 3394 | |
3b5d3310 NC |
3395 | if (! (_bfd_generic_link_add_one_symbol |
3396 | (info, abfd, name, | |
3397 | (flagword) (esym.weakext ? BSF_WEAK : BSF_GLOBAL), | |
3398 | section, value, NULL, TRUE, TRUE, sym_hash))) | |
b34976b6 | 3399 | return FALSE; |
252b5132 | 3400 | |
3b5d3310 NC |
3401 | h = (struct ecoff_link_hash_entry *) *sym_hash; |
3402 | ||
3403 | /* If we are building an ECOFF hash table, save the external | |
3404 | symbol information. */ | |
f13a99db | 3405 | if (bfd_get_flavour (info->output_bfd) == bfd_get_flavour (abfd)) |
3b5d3310 NC |
3406 | { |
3407 | if (h->abfd == NULL | |
3408 | || (! bfd_is_und_section (section) | |
3409 | && (! bfd_is_com_section (section) | |
3410 | || (h->root.type != bfd_link_hash_defined | |
3411 | && h->root.type != bfd_link_hash_defweak)))) | |
3412 | { | |
3413 | h->abfd = abfd; | |
3414 | h->esym = esym; | |
3415 | } | |
3416 | ||
3417 | /* Remember whether this symbol was small undefined. */ | |
3418 | if (esym.asym.sc == scSUndefined) | |
3419 | h->small = 1; | |
3420 | ||
3421 | /* If this symbol was ever small undefined, it needs to wind | |
3422 | up in a GP relative section. We can't control the | |
3423 | section of a defined symbol, but we can control the | |
3424 | section of a common symbol. This case is actually needed | |
3425 | on Ultrix 4.2 to handle the symbol cred in -lckrb. */ | |
3426 | if (h->small | |
3427 | && h->root.type == bfd_link_hash_common | |
3428 | && streq (h->root.u.c.p->section->name, SCOMMON)) | |
3429 | { | |
3430 | h->root.u.c.p->section = bfd_make_section_old_way (abfd, | |
3431 | SCOMMON); | |
3432 | h->root.u.c.p->section->flags = SEC_ALLOC; | |
3433 | if (h->esym.asym.sc == scCommon) | |
3434 | h->esym.asym.sc = scSCommon; | |
3435 | } | |
3436 | } | |
252b5132 RH |
3437 | } |
3438 | ||
b34976b6 | 3439 | return TRUE; |
252b5132 RH |
3440 | } |
3441 | ||
3b5d3310 NC |
3442 | /* Add symbols from an ECOFF object file to the global linker hash |
3443 | table. */ | |
3444 | ||
3445 | static bfd_boolean | |
3446 | ecoff_link_add_object_symbols (bfd *abfd, struct bfd_link_info *info) | |
3447 | { | |
3448 | HDRR *symhdr; | |
3449 | bfd_size_type external_ext_size; | |
3450 | void * external_ext = NULL; | |
3451 | bfd_size_type esize; | |
3452 | char *ssext = NULL; | |
3453 | bfd_boolean result; | |
3454 | ||
3455 | if (! ecoff_slurp_symbolic_header (abfd)) | |
3456 | return FALSE; | |
3457 | ||
3458 | /* If there are no symbols, we don't want it. */ | |
3459 | if (bfd_get_symcount (abfd) == 0) | |
3460 | return TRUE; | |
3461 | ||
3462 | symhdr = &ecoff_data (abfd)->debug_info.symbolic_header; | |
3463 | ||
3464 | /* Read in the external symbols and external strings. */ | |
3465 | external_ext_size = ecoff_backend (abfd)->debug_swap.external_ext_size; | |
3466 | esize = symhdr->iextMax * external_ext_size; | |
3467 | external_ext = bfd_malloc (esize); | |
3468 | if (external_ext == NULL && esize != 0) | |
3469 | goto error_return; | |
3470 | ||
3471 | if (bfd_seek (abfd, (file_ptr) symhdr->cbExtOffset, SEEK_SET) != 0 | |
3472 | || bfd_bread (external_ext, esize, abfd) != esize) | |
3473 | goto error_return; | |
3474 | ||
21d799b5 | 3475 | ssext = (char *) bfd_malloc ((bfd_size_type) symhdr->issExtMax); |
3b5d3310 NC |
3476 | if (ssext == NULL && symhdr->issExtMax != 0) |
3477 | goto error_return; | |
3478 | ||
3479 | if (bfd_seek (abfd, (file_ptr) symhdr->cbSsExtOffset, SEEK_SET) != 0 | |
3480 | || (bfd_bread (ssext, (bfd_size_type) symhdr->issExtMax, abfd) | |
3481 | != (bfd_size_type) symhdr->issExtMax)) | |
3482 | goto error_return; | |
3483 | ||
3484 | result = ecoff_link_add_externals (abfd, info, external_ext, ssext); | |
3485 | ||
3486 | if (ssext != NULL) | |
3487 | free (ssext); | |
3488 | if (external_ext != NULL) | |
3489 | free (external_ext); | |
3490 | return result; | |
3491 | ||
3492 | error_return: | |
3493 | if (ssext != NULL) | |
3494 | free (ssext); | |
3495 | if (external_ext != NULL) | |
3496 | free (external_ext); | |
3497 | return FALSE; | |
3498 | } | |
3499 | ||
5d3236ee DK |
3500 | /* Factored out from ecoff_link_check_archive_element. */ |
3501 | ||
3502 | static bfd_boolean | |
3503 | read_ext_syms_and_strs (HDRR **symhdr, bfd_size_type *external_ext_size, | |
3504 | bfd_size_type *esize, void **external_ext, char **ssext, bfd *abfd, | |
3505 | const struct ecoff_backend_data * const backend) | |
3506 | { | |
3507 | if (! ecoff_slurp_symbolic_header (abfd)) | |
3508 | return FALSE; | |
3509 | ||
3510 | /* If there are no symbols, we don't want it. */ | |
3511 | if (bfd_get_symcount (abfd) == 0) | |
3512 | return TRUE; | |
3513 | ||
3514 | *symhdr = &ecoff_data (abfd)->debug_info.symbolic_header; | |
3515 | ||
3516 | *external_ext_size = backend->debug_swap.external_ext_size; | |
3517 | *esize = (*symhdr)->iextMax * *external_ext_size; | |
3518 | *external_ext = bfd_malloc (*esize); | |
3519 | if (*external_ext == NULL && *esize != 0) | |
3520 | return FALSE; | |
3521 | ||
3522 | if (bfd_seek (abfd, (file_ptr) (*symhdr)->cbExtOffset, SEEK_SET) != 0 | |
3523 | || bfd_bread (*external_ext, *esize, abfd) != *esize) | |
3524 | return FALSE; | |
3525 | ||
3526 | *ssext = (char *) bfd_malloc ((bfd_size_type) (*symhdr)->issExtMax); | |
3527 | if (*ssext == NULL && (*symhdr)->issExtMax != 0) | |
3528 | return FALSE; | |
3529 | ||
3530 | if (bfd_seek (abfd, (file_ptr) (*symhdr)->cbSsExtOffset, SEEK_SET) != 0 | |
3531 | || (bfd_bread (*ssext, (bfd_size_type) (*symhdr)->issExtMax, abfd) | |
3532 | != (bfd_size_type) (*symhdr)->issExtMax)) | |
3533 | return FALSE; | |
3534 | return TRUE; | |
3535 | } | |
3536 | ||
3537 | static bfd_boolean | |
3538 | reread_ext_syms_and_strs (HDRR **symhdr, bfd_size_type *external_ext_size, | |
3539 | bfd_size_type *esize, void **external_ext, char **ssext, bfd *abfd, | |
3540 | const struct ecoff_backend_data * const backend) | |
3541 | { | |
3542 | if (*external_ext != NULL) | |
3543 | free (*external_ext); | |
3544 | *external_ext = NULL; | |
3545 | if (*ssext != NULL) | |
3546 | free (*ssext); | |
3547 | *ssext = NULL; | |
3548 | return read_ext_syms_and_strs (symhdr, external_ext_size, esize, | |
3549 | external_ext, ssext, abfd, backend); | |
3550 | } | |
3551 | ||
252b5132 RH |
3552 | /* This is called if we used _bfd_generic_link_add_archive_symbols |
3553 | because we were not dealing with an ECOFF archive. */ | |
3554 | ||
b34976b6 | 3555 | static bfd_boolean |
3b5d3310 NC |
3556 | ecoff_link_check_archive_element (bfd *abfd, |
3557 | struct bfd_link_info *info, | |
3558 | bfd_boolean *pneeded) | |
252b5132 RH |
3559 | { |
3560 | const struct ecoff_backend_data * const backend = ecoff_backend (abfd); | |
3b5d3310 | 3561 | void (* const swap_ext_in) (bfd *, void *, EXTR *) |
252b5132 RH |
3562 | = backend->debug_swap.swap_ext_in; |
3563 | HDRR *symhdr; | |
af65e588 | 3564 | bfd_size_type external_ext_size = 0; |
3b5d3310 | 3565 | void * external_ext = NULL; |
af65e588 | 3566 | bfd_size_type esize = 0; |
252b5132 RH |
3567 | char *ssext = NULL; |
3568 | char *ext_ptr; | |
3569 | char *ext_end; | |
3570 | ||
b34976b6 | 3571 | *pneeded = FALSE; |
252b5132 | 3572 | |
5d3236ee DK |
3573 | /* Read in the external symbols and external strings. */ |
3574 | if (!read_ext_syms_and_strs (&symhdr, &external_ext_size, &esize, | |
3575 | &external_ext, &ssext, abfd, backend)) | |
252b5132 RH |
3576 | goto error_return; |
3577 | ||
3578 | /* If there are no symbols, we don't want it. */ | |
3579 | if (bfd_get_symcount (abfd) == 0) | |
3580 | goto successful_return; | |
3581 | ||
252b5132 RH |
3582 | /* Look through the external symbols to see if they define some |
3583 | symbol that is currently undefined. */ | |
3584 | ext_ptr = (char *) external_ext; | |
3585 | ext_end = ext_ptr + esize; | |
3586 | for (; ext_ptr < ext_end; ext_ptr += external_ext_size) | |
3587 | { | |
3588 | EXTR esym; | |
b34976b6 | 3589 | bfd_boolean def; |
252b5132 | 3590 | const char *name; |
0e144ba7 | 3591 | bfd *oldbfd; |
252b5132 RH |
3592 | struct bfd_link_hash_entry *h; |
3593 | ||
3b5d3310 | 3594 | (*swap_ext_in) (abfd, (void *) ext_ptr, &esym); |
252b5132 RH |
3595 | |
3596 | /* See if this symbol defines something. */ | |
3597 | if (esym.asym.st != stGlobal | |
3598 | && esym.asym.st != stLabel | |
3599 | && esym.asym.st != stProc) | |
3600 | continue; | |
3601 | ||
3602 | switch (esym.asym.sc) | |
3603 | { | |
3604 | case scText: | |
3605 | case scData: | |
3606 | case scBss: | |
3607 | case scAbs: | |
3608 | case scSData: | |
3609 | case scSBss: | |
3610 | case scRData: | |
3611 | case scCommon: | |
3612 | case scSCommon: | |
3613 | case scInit: | |
3614 | case scFini: | |
3615 | case scRConst: | |
b34976b6 | 3616 | def = TRUE; |
252b5132 RH |
3617 | break; |
3618 | default: | |
b34976b6 | 3619 | def = FALSE; |
252b5132 RH |
3620 | break; |
3621 | } | |
3622 | ||
3623 | if (! def) | |
3624 | continue; | |
3625 | ||
3626 | name = ssext + esym.asym.iss; | |
b34976b6 | 3627 | h = bfd_link_hash_lookup (info->hash, name, FALSE, FALSE, TRUE); |
252b5132 RH |
3628 | |
3629 | /* Unlike the generic linker, we do not pull in elements because | |
3630 | of common symbols. */ | |
3b5d3310 | 3631 | if (h == NULL |
252b5132 RH |
3632 | || h->type != bfd_link_hash_undefined) |
3633 | continue; | |
3634 | ||
3635 | /* Include this element. */ | |
0e144ba7 AM |
3636 | oldbfd = abfd; |
3637 | if (!(*info->callbacks | |
3638 | ->add_archive_element) (info, abfd, name, &abfd)) | |
5d3236ee DK |
3639 | goto error_return; |
3640 | /* Potentially, the add_archive_element hook may have set a | |
3641 | substitute BFD for us. */ | |
0e144ba7 | 3642 | if (abfd != oldbfd |
5d3236ee | 3643 | && !reread_ext_syms_and_strs (&symhdr, &external_ext_size, &esize, |
0e144ba7 | 3644 | &external_ext, &ssext, abfd, backend)) |
252b5132 | 3645 | goto error_return; |
0e144ba7 | 3646 | if (! ecoff_link_add_externals (abfd, info, external_ext, ssext)) |
252b5132 RH |
3647 | goto error_return; |
3648 | ||
b34976b6 | 3649 | *pneeded = TRUE; |
252b5132 RH |
3650 | goto successful_return; |
3651 | } | |
3652 | ||
3653 | successful_return: | |
3654 | if (external_ext != NULL) | |
3655 | free (external_ext); | |
3656 | if (ssext != NULL) | |
3657 | free (ssext); | |
b34976b6 | 3658 | return TRUE; |
252b5132 RH |
3659 | error_return: |
3660 | if (external_ext != NULL) | |
3661 | free (external_ext); | |
3662 | if (ssext != NULL) | |
3663 | free (ssext); | |
b34976b6 | 3664 | return FALSE; |
252b5132 RH |
3665 | } |
3666 | ||
3b5d3310 NC |
3667 | /* Add the symbols from an archive file to the global hash table. |
3668 | This looks through the undefined symbols, looks each one up in the | |
3669 | archive hash table, and adds any associated object file. We do not | |
3670 | use _bfd_generic_link_add_archive_symbols because ECOFF archives | |
3671 | already have a hash table, so there is no reason to construct | |
3672 | another one. */ | |
252b5132 | 3673 | |
b34976b6 | 3674 | static bfd_boolean |
3b5d3310 | 3675 | ecoff_link_add_archive_symbols (bfd *abfd, struct bfd_link_info *info) |
252b5132 | 3676 | { |
3b5d3310 NC |
3677 | const struct ecoff_backend_data * const backend = ecoff_backend (abfd); |
3678 | const bfd_byte *raw_armap; | |
3679 | struct bfd_link_hash_entry **pundef; | |
3680 | unsigned int armap_count; | |
3681 | unsigned int armap_log; | |
3682 | unsigned int i; | |
3683 | const bfd_byte *hashtable; | |
3684 | const char *stringbase; | |
252b5132 | 3685 | |
3b5d3310 NC |
3686 | if (! bfd_has_map (abfd)) |
3687 | { | |
3688 | /* An empty archive is a special case. */ | |
3689 | if (bfd_openr_next_archived_file (abfd, NULL) == NULL) | |
3690 | return TRUE; | |
3691 | bfd_set_error (bfd_error_no_armap); | |
3692 | return FALSE; | |
3693 | } | |
252b5132 | 3694 | |
3b5d3310 NC |
3695 | /* If we don't have any raw data for this archive, as can happen on |
3696 | Irix 4.0.5F, we call the generic routine. | |
3697 | FIXME: We should be more clever about this, since someday tdata | |
3698 | may get to something for a generic archive. */ | |
3699 | raw_armap = (const bfd_byte *) bfd_ardata (abfd)->tdata; | |
3700 | if (raw_armap == NULL) | |
3701 | return (_bfd_generic_link_add_archive_symbols | |
3702 | (abfd, info, ecoff_link_check_archive_element)); | |
252b5132 | 3703 | |
3b5d3310 | 3704 | armap_count = H_GET_32 (abfd, raw_armap); |
252b5132 | 3705 | |
3b5d3310 NC |
3706 | armap_log = 0; |
3707 | for (i = 1; i < armap_count; i <<= 1) | |
3708 | armap_log++; | |
3709 | BFD_ASSERT (i == armap_count); | |
252b5132 | 3710 | |
3b5d3310 NC |
3711 | hashtable = raw_armap + 4; |
3712 | stringbase = (const char *) raw_armap + armap_count * 8 + 8; | |
252b5132 | 3713 | |
3b5d3310 NC |
3714 | /* Look through the list of undefined symbols. */ |
3715 | pundef = &info->hash->undefs; | |
3716 | while (*pundef != NULL) | |
3717 | { | |
3718 | struct bfd_link_hash_entry *h; | |
1b0b5b1b | 3719 | unsigned int hash, rehash = 0; |
3b5d3310 NC |
3720 | unsigned int file_offset; |
3721 | const char *name; | |
3722 | bfd *element; | |
252b5132 | 3723 | |
3b5d3310 | 3724 | h = *pundef; |
252b5132 | 3725 | |
3b5d3310 NC |
3726 | /* When a symbol is defined, it is not necessarily removed from |
3727 | the list. */ | |
3728 | if (h->type != bfd_link_hash_undefined | |
3729 | && h->type != bfd_link_hash_common) | |
3730 | { | |
3731 | /* Remove this entry from the list, for general cleanliness | |
3732 | and because we are going to look through the list again | |
3733 | if we search any more libraries. We can't remove the | |
3734 | entry if it is the tail, because that would lose any | |
3735 | entries we add to the list later on. */ | |
3736 | if (*pundef != info->hash->undefs_tail) | |
3737 | *pundef = (*pundef)->u.undef.next; | |
3738 | else | |
3739 | pundef = &(*pundef)->u.undef.next; | |
3740 | continue; | |
3741 | } | |
252b5132 | 3742 | |
3b5d3310 NC |
3743 | /* Native ECOFF linkers do not pull in archive elements merely |
3744 | to satisfy common definitions, so neither do we. We leave | |
3745 | them on the list, though, in case we are linking against some | |
3746 | other object format. */ | |
3747 | if (h->type != bfd_link_hash_undefined) | |
3748 | { | |
3749 | pundef = &(*pundef)->u.undef.next; | |
3750 | continue; | |
3751 | } | |
252b5132 | 3752 | |
3b5d3310 NC |
3753 | /* Look for this symbol in the archive hash table. */ |
3754 | hash = ecoff_armap_hash (h->root.string, &rehash, armap_count, | |
3755 | armap_log); | |
252b5132 | 3756 | |
3b5d3310 NC |
3757 | file_offset = H_GET_32 (abfd, hashtable + (hash * 8) + 4); |
3758 | if (file_offset == 0) | |
252b5132 | 3759 | { |
3b5d3310 NC |
3760 | /* Nothing in this slot. */ |
3761 | pundef = &(*pundef)->u.undef.next; | |
3762 | continue; | |
252b5132 RH |
3763 | } |
3764 | ||
3b5d3310 NC |
3765 | name = stringbase + H_GET_32 (abfd, hashtable + (hash * 8)); |
3766 | if (name[0] != h->root.string[0] | |
3767 | || ! streq (name, h->root.string)) | |
252b5132 | 3768 | { |
3b5d3310 NC |
3769 | unsigned int srch; |
3770 | bfd_boolean found; | |
3771 | ||
3772 | /* That was the wrong symbol. Try rehashing. */ | |
3773 | found = FALSE; | |
3774 | for (srch = (hash + rehash) & (armap_count - 1); | |
3775 | srch != hash; | |
3776 | srch = (srch + rehash) & (armap_count - 1)) | |
252b5132 | 3777 | { |
3b5d3310 NC |
3778 | file_offset = H_GET_32 (abfd, hashtable + (srch * 8) + 4); |
3779 | if (file_offset == 0) | |
3780 | break; | |
3781 | name = stringbase + H_GET_32 (abfd, hashtable + (srch * 8)); | |
3782 | if (name[0] == h->root.string[0] | |
3783 | && streq (name, h->root.string)) | |
3784 | { | |
3785 | found = TRUE; | |
3786 | break; | |
3787 | } | |
252b5132 | 3788 | } |
3b5d3310 NC |
3789 | |
3790 | if (! found) | |
252b5132 | 3791 | { |
3b5d3310 NC |
3792 | pundef = &(*pundef)->u.undef.next; |
3793 | continue; | |
252b5132 | 3794 | } |
3b5d3310 NC |
3795 | |
3796 | hash = srch; | |
252b5132 RH |
3797 | } |
3798 | ||
3b5d3310 NC |
3799 | element = (*backend->get_elt_at_filepos) (abfd, (file_ptr) file_offset); |
3800 | if (element == NULL) | |
3801 | return FALSE; | |
252b5132 | 3802 | |
3b5d3310 NC |
3803 | if (! bfd_check_format (element, bfd_object)) |
3804 | return FALSE; | |
252b5132 | 3805 | |
3b5d3310 NC |
3806 | /* Unlike the generic linker, we know that this element provides |
3807 | a definition for an undefined symbol and we know that we want | |
3808 | to include it. We don't need to check anything. */ | |
0e144ba7 AM |
3809 | if (!(*info->callbacks |
3810 | ->add_archive_element) (info, element, name, &element)) | |
3b5d3310 | 3811 | return FALSE; |
0e144ba7 | 3812 | if (! ecoff_link_add_object_symbols (element, info)) |
b34976b6 | 3813 | return FALSE; |
252b5132 | 3814 | |
3b5d3310 NC |
3815 | pundef = &(*pundef)->u.undef.next; |
3816 | } | |
252b5132 | 3817 | |
3b5d3310 NC |
3818 | return TRUE; |
3819 | } | |
252b5132 | 3820 | |
3b5d3310 NC |
3821 | /* Given an ECOFF BFD, add symbols to the global hash table as |
3822 | appropriate. */ | |
252b5132 | 3823 | |
3b5d3310 NC |
3824 | bfd_boolean |
3825 | _bfd_ecoff_bfd_link_add_symbols (bfd *abfd, struct bfd_link_info *info) | |
3826 | { | |
3827 | switch (bfd_get_format (abfd)) | |
3828 | { | |
3829 | case bfd_object: | |
3830 | return ecoff_link_add_object_symbols (abfd, info); | |
3831 | case bfd_archive: | |
3832 | return ecoff_link_add_archive_symbols (abfd, info); | |
3833 | default: | |
3834 | bfd_set_error (bfd_error_wrong_format); | |
3835 | return FALSE; | |
252b5132 | 3836 | } |
252b5132 | 3837 | } |
3b5d3310 | 3838 | |
252b5132 RH |
3839 | \f |
3840 | /* ECOFF final link routines. */ | |
3841 | ||
252b5132 RH |
3842 | /* Structure used to pass information to ecoff_link_write_external. */ |
3843 | ||
3844 | struct extsym_info | |
3845 | { | |
3846 | bfd *abfd; | |
3847 | struct bfd_link_info *info; | |
3848 | }; | |
3849 | ||
3b5d3310 NC |
3850 | /* Accumulate the debugging information for an input BFD into the |
3851 | output BFD. This must read in the symbolic information of the | |
3852 | input BFD. */ | |
252b5132 | 3853 | |
3b5d3310 NC |
3854 | static bfd_boolean |
3855 | ecoff_final_link_debug_accumulate (bfd *output_bfd, | |
3856 | bfd *input_bfd, | |
3857 | struct bfd_link_info *info, | |
3858 | void * handle) | |
252b5132 | 3859 | { |
3b5d3310 NC |
3860 | struct ecoff_debug_info * const debug = &ecoff_data (input_bfd)->debug_info; |
3861 | const struct ecoff_debug_swap * const swap = | |
3862 | &ecoff_backend (input_bfd)->debug_swap; | |
3863 | HDRR *symhdr = &debug->symbolic_header; | |
3864 | bfd_boolean ret; | |
252b5132 | 3865 | |
3b5d3310 NC |
3866 | #define READ(ptr, offset, count, size, type) \ |
3867 | if (symhdr->count == 0) \ | |
3868 | debug->ptr = NULL; \ | |
3869 | else \ | |
3870 | { \ | |
3871 | bfd_size_type amt = (bfd_size_type) size * symhdr->count; \ | |
21d799b5 | 3872 | debug->ptr = (type) bfd_malloc (amt); \ |
3b5d3310 NC |
3873 | if (debug->ptr == NULL) \ |
3874 | { \ | |
3875 | ret = FALSE; \ | |
3876 | goto return_something; \ | |
3877 | } \ | |
3878 | if (bfd_seek (input_bfd, (file_ptr) symhdr->offset, SEEK_SET) != 0 \ | |
3879 | || bfd_bread (debug->ptr, amt, input_bfd) != amt) \ | |
3880 | { \ | |
3881 | ret = FALSE; \ | |
3882 | goto return_something; \ | |
3883 | } \ | |
3884 | } | |
252b5132 | 3885 | |
3b5d3310 NC |
3886 | /* If raw_syments is not NULL, then the data was already by read by |
3887 | _bfd_ecoff_slurp_symbolic_info. */ | |
3888 | if (ecoff_data (input_bfd)->raw_syments == NULL) | |
3889 | { | |
3890 | READ (line, cbLineOffset, cbLine, sizeof (unsigned char), | |
3891 | unsigned char *); | |
3892 | READ (external_dnr, cbDnOffset, idnMax, swap->external_dnr_size, void *); | |
3893 | READ (external_pdr, cbPdOffset, ipdMax, swap->external_pdr_size, void *); | |
3894 | READ (external_sym, cbSymOffset, isymMax, swap->external_sym_size, void *); | |
3895 | READ (external_opt, cbOptOffset, ioptMax, swap->external_opt_size, void *); | |
3896 | READ (external_aux, cbAuxOffset, iauxMax, sizeof (union aux_ext), | |
3897 | union aux_ext *); | |
3898 | READ (ss, cbSsOffset, issMax, sizeof (char), char *); | |
3899 | READ (external_fdr, cbFdOffset, ifdMax, swap->external_fdr_size, void *); | |
3900 | READ (external_rfd, cbRfdOffset, crfd, swap->external_rfd_size, void *); | |
3901 | } | |
3902 | #undef READ | |
252b5132 | 3903 | |
3b5d3310 | 3904 | /* We do not read the external strings or the external symbols. */ |
252b5132 | 3905 | |
3b5d3310 NC |
3906 | ret = (bfd_ecoff_debug_accumulate |
3907 | (handle, output_bfd, &ecoff_data (output_bfd)->debug_info, | |
3908 | &ecoff_backend (output_bfd)->debug_swap, | |
3909 | input_bfd, debug, swap, info)); | |
252b5132 | 3910 | |
3b5d3310 NC |
3911 | return_something: |
3912 | if (ecoff_data (input_bfd)->raw_syments == NULL) | |
3913 | { | |
3914 | if (debug->line != NULL) | |
3915 | free (debug->line); | |
3916 | if (debug->external_dnr != NULL) | |
3917 | free (debug->external_dnr); | |
3918 | if (debug->external_pdr != NULL) | |
3919 | free (debug->external_pdr); | |
3920 | if (debug->external_sym != NULL) | |
3921 | free (debug->external_sym); | |
3922 | if (debug->external_opt != NULL) | |
3923 | free (debug->external_opt); | |
3924 | if (debug->external_aux != NULL) | |
3925 | free (debug->external_aux); | |
3926 | if (debug->ss != NULL) | |
3927 | free (debug->ss); | |
3928 | if (debug->external_fdr != NULL) | |
3929 | free (debug->external_fdr); | |
3930 | if (debug->external_rfd != NULL) | |
3931 | free (debug->external_rfd); | |
252b5132 | 3932 | |
3b5d3310 NC |
3933 | /* Make sure we don't accidentally follow one of these pointers |
3934 | into freed memory. */ | |
3935 | debug->line = NULL; | |
3936 | debug->external_dnr = NULL; | |
3937 | debug->external_pdr = NULL; | |
3938 | debug->external_sym = NULL; | |
3939 | debug->external_opt = NULL; | |
3940 | debug->external_aux = NULL; | |
3941 | debug->ss = NULL; | |
3942 | debug->external_fdr = NULL; | |
3943 | debug->external_rfd = NULL; | |
252b5132 RH |
3944 | } |
3945 | ||
3b5d3310 NC |
3946 | return ret; |
3947 | } | |
3948 | ||
3949 | /* Relocate and write an ECOFF section into an ECOFF output file. */ | |
3950 | ||
3951 | static bfd_boolean | |
3952 | ecoff_indirect_link_order (bfd *output_bfd, | |
3953 | struct bfd_link_info *info, | |
3954 | asection *output_section, | |
3955 | struct bfd_link_order *link_order) | |
3956 | { | |
3957 | asection *input_section; | |
3958 | bfd *input_bfd; | |
3959 | bfd_byte *contents = NULL; | |
3960 | bfd_size_type external_reloc_size; | |
3961 | bfd_size_type external_relocs_size; | |
3962 | void * external_relocs = NULL; | |
3963 | ||
3964 | BFD_ASSERT ((output_section->flags & SEC_HAS_CONTENTS) != 0); | |
3965 | ||
3b5d3310 NC |
3966 | input_section = link_order->u.indirect.section; |
3967 | input_bfd = input_section->owner; | |
44da2da1 AM |
3968 | if (input_section->size == 0) |
3969 | return TRUE; | |
3b5d3310 NC |
3970 | |
3971 | BFD_ASSERT (input_section->output_section == output_section); | |
3972 | BFD_ASSERT (input_section->output_offset == link_order->offset); | |
3973 | BFD_ASSERT (input_section->size == link_order->size); | |
3974 | ||
3975 | /* Get the section contents. */ | |
3976 | if (!bfd_malloc_and_get_section (input_bfd, input_section, &contents)) | |
3977 | goto error_return; | |
3978 | ||
3979 | /* Get the relocs. If we are relaxing MIPS code, they will already | |
3980 | have been read in. Otherwise, we read them in now. */ | |
3981 | external_reloc_size = ecoff_backend (input_bfd)->external_reloc_size; | |
3982 | external_relocs_size = external_reloc_size * input_section->reloc_count; | |
3983 | ||
3984 | external_relocs = bfd_malloc (external_relocs_size); | |
3985 | if (external_relocs == NULL && external_relocs_size != 0) | |
3986 | goto error_return; | |
3987 | ||
3988 | if (bfd_seek (input_bfd, input_section->rel_filepos, SEEK_SET) != 0 | |
3989 | || (bfd_bread (external_relocs, external_relocs_size, input_bfd) | |
3990 | != external_relocs_size)) | |
3991 | goto error_return; | |
3992 | ||
3993 | /* Relocate the section contents. */ | |
3994 | if (! ((*ecoff_backend (input_bfd)->relocate_section) | |
3995 | (output_bfd, info, input_bfd, input_section, contents, | |
3996 | external_relocs))) | |
3997 | goto error_return; | |
3998 | ||
3999 | /* Write out the relocated section. */ | |
4000 | if (! bfd_set_section_contents (output_bfd, | |
4001 | output_section, | |
4002 | contents, | |
4003 | input_section->output_offset, | |
4004 | input_section->size)) | |
4005 | goto error_return; | |
252b5132 | 4006 | |
3b5d3310 NC |
4007 | /* If we are producing relocatable output, the relocs were |
4008 | modified, and we write them out now. We use the reloc_count | |
4009 | field of output_section to keep track of the number of relocs we | |
4010 | have output so far. */ | |
1049f94e | 4011 | if (info->relocatable) |
252b5132 | 4012 | { |
3b5d3310 NC |
4013 | file_ptr pos = (output_section->rel_filepos |
4014 | + output_section->reloc_count * external_reloc_size); | |
4015 | if (bfd_seek (output_bfd, pos, SEEK_SET) != 0 | |
4016 | || (bfd_bwrite (external_relocs, external_relocs_size, output_bfd) | |
4017 | != external_relocs_size)) | |
4018 | goto error_return; | |
4019 | output_section->reloc_count += input_section->reloc_count; | |
252b5132 RH |
4020 | } |
4021 | ||
3b5d3310 NC |
4022 | if (contents != NULL) |
4023 | free (contents); | |
4024 | if (external_relocs != NULL) | |
4025 | free (external_relocs); | |
4026 | return TRUE; | |
252b5132 | 4027 | |
3b5d3310 NC |
4028 | error_return: |
4029 | if (contents != NULL) | |
4030 | free (contents); | |
4031 | if (external_relocs != NULL) | |
4032 | free (external_relocs); | |
4033 | return FALSE; | |
4034 | } | |
252b5132 | 4035 | |
3b5d3310 NC |
4036 | /* Generate a reloc when linking an ECOFF file. This is a reloc |
4037 | requested by the linker, and does come from any input file. This | |
4038 | is used to build constructor and destructor tables when linking | |
4039 | with -Ur. */ | |
252b5132 | 4040 | |
3b5d3310 NC |
4041 | static bfd_boolean |
4042 | ecoff_reloc_link_order (bfd *output_bfd, | |
4043 | struct bfd_link_info *info, | |
4044 | asection *output_section, | |
4045 | struct bfd_link_order *link_order) | |
4046 | { | |
4047 | enum bfd_link_order_type type; | |
4048 | asection *section; | |
4049 | bfd_vma addend; | |
4050 | arelent rel; | |
4051 | struct internal_reloc in; | |
4052 | bfd_size_type external_reloc_size; | |
4053 | bfd_byte *rbuf; | |
4054 | bfd_boolean ok; | |
4055 | file_ptr pos; | |
4056 | ||
4057 | type = link_order->type; | |
4058 | section = NULL; | |
4059 | addend = link_order->u.reloc.p->addend; | |
4060 | ||
4061 | /* We set up an arelent to pass to the backend adjust_reloc_out | |
4062 | routine. */ | |
4063 | rel.address = link_order->offset; | |
4064 | ||
4065 | rel.howto = bfd_reloc_type_lookup (output_bfd, link_order->u.reloc.p->reloc); | |
4066 | if (rel.howto == 0) | |
252b5132 | 4067 | { |
3b5d3310 NC |
4068 | bfd_set_error (bfd_error_bad_value); |
4069 | return FALSE; | |
252b5132 RH |
4070 | } |
4071 | ||
3b5d3310 NC |
4072 | if (type == bfd_section_reloc_link_order) |
4073 | { | |
4074 | section = link_order->u.reloc.p->u.section; | |
4075 | rel.sym_ptr_ptr = section->symbol_ptr_ptr; | |
4076 | } | |
4077 | else | |
252b5132 RH |
4078 | { |
4079 | struct bfd_link_hash_entry *h; | |
4080 | ||
3b5d3310 NC |
4081 | /* Treat a reloc against a defined symbol as though it were |
4082 | actually against the section. */ | |
4083 | h = bfd_wrapped_link_hash_lookup (output_bfd, info, | |
4084 | link_order->u.reloc.p->u.name, | |
4085 | FALSE, FALSE, FALSE); | |
4086 | if (h != NULL | |
4087 | && (h->type == bfd_link_hash_defined | |
4088 | || h->type == bfd_link_hash_defweak)) | |
252b5132 | 4089 | { |
3b5d3310 NC |
4090 | type = bfd_section_reloc_link_order; |
4091 | section = h->u.def.section->output_section; | |
4092 | /* It seems that we ought to add the symbol value to the | |
4093 | addend here, but in practice it has already been added | |
4094 | because it was passed to constructor_callback. */ | |
4095 | addend += section->vma + h->u.def.section->output_offset; | |
252b5132 RH |
4096 | } |
4097 | else | |
4098 | { | |
3b5d3310 NC |
4099 | /* We can't set up a reloc against a symbol correctly, |
4100 | because we have no asymbol structure. Currently no | |
4101 | adjust_reloc_out routine cares. */ | |
4102 | rel.sym_ptr_ptr = NULL; | |
4103 | } | |
4104 | } | |
4105 | ||
4106 | /* All ECOFF relocs are in-place. Put the addend into the object | |
4107 | file. */ | |
4108 | ||
4109 | BFD_ASSERT (rel.howto->partial_inplace); | |
4110 | if (addend != 0) | |
4111 | { | |
4112 | bfd_size_type size; | |
4113 | bfd_reloc_status_type rstat; | |
4114 | bfd_byte *buf; | |
4115 | ||
4116 | size = bfd_get_reloc_size (rel.howto); | |
21d799b5 | 4117 | buf = (bfd_byte *) bfd_zmalloc (size); |
3b5d3310 NC |
4118 | if (buf == NULL) |
4119 | return FALSE; | |
4120 | rstat = _bfd_relocate_contents (rel.howto, output_bfd, | |
4121 | (bfd_vma) addend, buf); | |
4122 | switch (rstat) | |
4123 | { | |
4124 | case bfd_reloc_ok: | |
4125 | break; | |
4126 | default: | |
4127 | case bfd_reloc_outofrange: | |
4128 | abort (); | |
4129 | case bfd_reloc_overflow: | |
4130 | if (! ((*info->callbacks->reloc_overflow) | |
4131 | (info, NULL, | |
4132 | (link_order->type == bfd_section_reloc_link_order | |
4133 | ? bfd_section_name (output_bfd, section) | |
4134 | : link_order->u.reloc.p->u.name), | |
4135 | rel.howto->name, addend, NULL, | |
4136 | NULL, (bfd_vma) 0))) | |
4137 | { | |
4138 | free (buf); | |
4139 | return FALSE; | |
4140 | } | |
4141 | break; | |
252b5132 | 4142 | } |
3b5d3310 NC |
4143 | ok = bfd_set_section_contents (output_bfd, output_section, (void *) buf, |
4144 | (file_ptr) link_order->offset, size); | |
4145 | free (buf); | |
4146 | if (! ok) | |
4147 | return FALSE; | |
252b5132 RH |
4148 | } |
4149 | ||
3b5d3310 NC |
4150 | rel.addend = 0; |
4151 | ||
4152 | /* Move the information into an internal_reloc structure. */ | |
4153 | in.r_vaddr = (rel.address | |
4154 | + bfd_get_section_vma (output_bfd, output_section)); | |
4155 | in.r_type = rel.howto->type; | |
4156 | ||
4157 | if (type == bfd_symbol_reloc_link_order) | |
252b5132 | 4158 | { |
3b5d3310 NC |
4159 | struct ecoff_link_hash_entry *h; |
4160 | ||
4161 | h = ((struct ecoff_link_hash_entry *) | |
4162 | bfd_wrapped_link_hash_lookup (output_bfd, info, | |
4163 | link_order->u.reloc.p->u.name, | |
4164 | FALSE, FALSE, TRUE)); | |
4165 | if (h != NULL | |
4166 | && h->indx != -1) | |
4167 | in.r_symndx = h->indx; | |
4168 | else | |
252b5132 | 4169 | { |
3b5d3310 NC |
4170 | if (! ((*info->callbacks->unattached_reloc) |
4171 | (info, link_order->u.reloc.p->u.name, NULL, | |
4172 | NULL, (bfd_vma) 0))) | |
4173 | return FALSE; | |
4174 | in.r_symndx = 0; | |
252b5132 | 4175 | } |
3b5d3310 | 4176 | in.r_extern = 1; |
252b5132 | 4177 | } |
3b5d3310 NC |
4178 | else |
4179 | { | |
4180 | const char *name; | |
4181 | unsigned int i; | |
4182 | static struct | |
4183 | { | |
4184 | const char * name; | |
4185 | long r_symndx; | |
4186 | } | |
4187 | section_symndx [] = | |
4188 | { | |
4189 | { _TEXT, RELOC_SECTION_TEXT }, | |
4190 | { _RDATA, RELOC_SECTION_RDATA }, | |
4191 | { _DATA, RELOC_SECTION_DATA }, | |
4192 | { _SDATA, RELOC_SECTION_SDATA }, | |
4193 | { _SBSS, RELOC_SECTION_SBSS }, | |
4194 | { _BSS, RELOC_SECTION_BSS }, | |
4195 | { _INIT, RELOC_SECTION_INIT }, | |
4196 | { _LIT8, RELOC_SECTION_LIT8 }, | |
4197 | { _LIT4, RELOC_SECTION_LIT4 }, | |
4198 | { _XDATA, RELOC_SECTION_XDATA }, | |
4199 | { _PDATA, RELOC_SECTION_PDATA }, | |
4200 | { _FINI, RELOC_SECTION_FINI }, | |
4201 | { _LITA, RELOC_SECTION_LITA }, | |
4202 | { "*ABS*", RELOC_SECTION_ABS }, | |
4203 | { _RCONST, RELOC_SECTION_RCONST } | |
4204 | }; | |
252b5132 | 4205 | |
3b5d3310 | 4206 | name = bfd_get_section_name (output_bfd, section); |
252b5132 | 4207 | |
3b5d3310 NC |
4208 | for (i = 0; i < ARRAY_SIZE (section_symndx); i++) |
4209 | if (streq (name, section_symndx[i].name)) | |
4210 | { | |
4211 | in.r_symndx = section_symndx[i].r_symndx; | |
4212 | break; | |
4213 | } | |
252b5132 | 4214 | |
3b5d3310 NC |
4215 | if (i == ARRAY_SIZE (section_symndx)) |
4216 | abort (); | |
252b5132 | 4217 | |
3b5d3310 | 4218 | in.r_extern = 0; |
252b5132 RH |
4219 | } |
4220 | ||
3b5d3310 NC |
4221 | /* Let the BFD backend adjust the reloc. */ |
4222 | (*ecoff_backend (output_bfd)->adjust_reloc_out) (output_bfd, &rel, &in); | |
252b5132 | 4223 | |
3b5d3310 NC |
4224 | /* Get some memory and swap out the reloc. */ |
4225 | external_reloc_size = ecoff_backend (output_bfd)->external_reloc_size; | |
21d799b5 | 4226 | rbuf = (bfd_byte *) bfd_malloc (external_reloc_size); |
3b5d3310 NC |
4227 | if (rbuf == NULL) |
4228 | return FALSE; | |
252b5132 | 4229 | |
3b5d3310 | 4230 | (*ecoff_backend (output_bfd)->swap_reloc_out) (output_bfd, &in, (void *) rbuf); |
252b5132 | 4231 | |
3b5d3310 NC |
4232 | pos = (output_section->rel_filepos |
4233 | + output_section->reloc_count * external_reloc_size); | |
4234 | ok = (bfd_seek (output_bfd, pos, SEEK_SET) == 0 | |
4235 | && (bfd_bwrite ((void *) rbuf, external_reloc_size, output_bfd) | |
4236 | == external_reloc_size)); | |
252b5132 | 4237 | |
3b5d3310 NC |
4238 | if (ok) |
4239 | ++output_section->reloc_count; | |
252b5132 | 4240 | |
3b5d3310 NC |
4241 | free (rbuf); |
4242 | ||
4243 | return ok; | |
252b5132 RH |
4244 | } |
4245 | ||
4246 | /* Put out information for an external symbol. These come only from | |
4247 | the hash table. */ | |
4248 | ||
b34976b6 | 4249 | static bfd_boolean |
7686d77d | 4250 | ecoff_link_write_external (struct bfd_hash_entry *bh, void * data) |
252b5132 | 4251 | { |
7686d77d | 4252 | struct ecoff_link_hash_entry *h = (struct ecoff_link_hash_entry *) bh; |
252b5132 RH |
4253 | struct extsym_info *einfo = (struct extsym_info *) data; |
4254 | bfd *output_bfd = einfo->abfd; | |
b34976b6 | 4255 | bfd_boolean strip; |
252b5132 | 4256 | |
e92d460e AM |
4257 | if (h->root.type == bfd_link_hash_warning) |
4258 | { | |
4259 | h = (struct ecoff_link_hash_entry *) h->root.u.i.link; | |
4260 | if (h->root.type == bfd_link_hash_new) | |
b34976b6 | 4261 | return TRUE; |
e92d460e AM |
4262 | } |
4263 | ||
1abaf976 | 4264 | /* We need to check if this symbol is being stripped. */ |
252b5132 RH |
4265 | if (h->root.type == bfd_link_hash_undefined |
4266 | || h->root.type == bfd_link_hash_undefweak) | |
b34976b6 | 4267 | strip = FALSE; |
252b5132 RH |
4268 | else if (einfo->info->strip == strip_all |
4269 | || (einfo->info->strip == strip_some | |
4270 | && bfd_hash_lookup (einfo->info->keep_hash, | |
4271 | h->root.root.string, | |
b34976b6 AM |
4272 | FALSE, FALSE) == NULL)) |
4273 | strip = TRUE; | |
252b5132 | 4274 | else |
b34976b6 | 4275 | strip = FALSE; |
252b5132 RH |
4276 | |
4277 | if (strip || h->written) | |
b34976b6 | 4278 | return TRUE; |
252b5132 | 4279 | |
3b5d3310 | 4280 | if (h->abfd == NULL) |
252b5132 RH |
4281 | { |
4282 | h->esym.jmptbl = 0; | |
4283 | h->esym.cobol_main = 0; | |
4284 | h->esym.weakext = 0; | |
4285 | h->esym.reserved = 0; | |
4286 | h->esym.ifd = ifdNil; | |
4287 | h->esym.asym.value = 0; | |
4288 | h->esym.asym.st = stGlobal; | |
4289 | ||
4290 | if (h->root.type != bfd_link_hash_defined | |
4291 | && h->root.type != bfd_link_hash_defweak) | |
4292 | h->esym.asym.sc = scAbs; | |
4293 | else | |
4294 | { | |
4295 | asection *output_section; | |
4296 | const char *name; | |
3b5d3310 NC |
4297 | unsigned int i; |
4298 | static struct | |
4299 | { | |
4300 | const char * name; | |
4301 | int sc; | |
4302 | } | |
4303 | section_storage_classes [] = | |
4304 | { | |
4305 | { _TEXT, scText }, | |
4306 | { _DATA, scData }, | |
4307 | { _SDATA, scSData }, | |
4308 | { _RDATA, scRData }, | |
4309 | { _BSS, scBss }, | |
4310 | { _SBSS, scSBss }, | |
4311 | { _INIT, scInit }, | |
4312 | { _FINI, scFini }, | |
4313 | { _PDATA, scPData }, | |
4314 | { _XDATA, scXData }, | |
4315 | { _RCONST, scRConst } | |
4316 | }; | |
252b5132 RH |
4317 | |
4318 | output_section = h->root.u.def.section->output_section; | |
4319 | name = bfd_section_name (output_section->owner, output_section); | |
1abaf976 | 4320 | |
3b5d3310 NC |
4321 | for (i = 0; i < ARRAY_SIZE (section_storage_classes); i++) |
4322 | if (streq (name, section_storage_classes[i].name)) | |
4323 | { | |
4324 | h->esym.asym.sc = section_storage_classes[i].sc; | |
4325 | break; | |
4326 | } | |
4327 | ||
4328 | if (i == ARRAY_SIZE (section_storage_classes)) | |
252b5132 RH |
4329 | h->esym.asym.sc = scAbs; |
4330 | } | |
4331 | ||
4332 | h->esym.asym.reserved = 0; | |
4333 | h->esym.asym.index = indexNil; | |
4334 | } | |
4335 | else if (h->esym.ifd != -1) | |
4336 | { | |
4337 | struct ecoff_debug_info *debug; | |
4338 | ||
4339 | /* Adjust the FDR index for the symbol by that used for the | |
4340 | input BFD. */ | |
4341 | debug = &ecoff_data (h->abfd)->debug_info; | |
4342 | BFD_ASSERT (h->esym.ifd >= 0 | |
4343 | && h->esym.ifd < debug->symbolic_header.ifdMax); | |
4344 | h->esym.ifd = debug->ifdmap[h->esym.ifd]; | |
4345 | } | |
4346 | ||
4347 | switch (h->root.type) | |
4348 | { | |
4349 | default: | |
e92d460e | 4350 | case bfd_link_hash_warning: |
252b5132 RH |
4351 | case bfd_link_hash_new: |
4352 | abort (); | |
4353 | case bfd_link_hash_undefined: | |
4354 | case bfd_link_hash_undefweak: | |
4355 | if (h->esym.asym.sc != scUndefined | |
4356 | && h->esym.asym.sc != scSUndefined) | |
4357 | h->esym.asym.sc = scUndefined; | |
4358 | break; | |
4359 | case bfd_link_hash_defined: | |
4360 | case bfd_link_hash_defweak: | |
4361 | if (h->esym.asym.sc == scUndefined | |
4362 | || h->esym.asym.sc == scSUndefined) | |
4363 | h->esym.asym.sc = scAbs; | |
4364 | else if (h->esym.asym.sc == scCommon) | |
4365 | h->esym.asym.sc = scBss; | |
4366 | else if (h->esym.asym.sc == scSCommon) | |
4367 | h->esym.asym.sc = scSBss; | |
4368 | h->esym.asym.value = (h->root.u.def.value | |
4369 | + h->root.u.def.section->output_section->vma | |
4370 | + h->root.u.def.section->output_offset); | |
4371 | break; | |
4372 | case bfd_link_hash_common: | |
4373 | if (h->esym.asym.sc != scCommon | |
4374 | && h->esym.asym.sc != scSCommon) | |
4375 | h->esym.asym.sc = scCommon; | |
4376 | h->esym.asym.value = h->root.u.c.size; | |
4377 | break; | |
4378 | case bfd_link_hash_indirect: | |
e92d460e AM |
4379 | /* We ignore these symbols, since the indirected symbol is |
4380 | already in the hash table. */ | |
b34976b6 | 4381 | return TRUE; |
252b5132 RH |
4382 | } |
4383 | ||
4384 | /* bfd_ecoff_debug_one_external uses iextMax to keep track of the | |
4385 | symbol number. */ | |
4386 | h->indx = ecoff_data (output_bfd)->debug_info.symbolic_header.iextMax; | |
4387 | h->written = 1; | |
4388 | ||
4389 | return (bfd_ecoff_debug_one_external | |
4390 | (output_bfd, &ecoff_data (output_bfd)->debug_info, | |
4391 | &ecoff_backend (output_bfd)->debug_swap, h->root.root.string, | |
4392 | &h->esym)); | |
4393 | } | |
4394 | ||
3b5d3310 NC |
4395 | /* ECOFF final link routine. This looks through all the input BFDs |
4396 | and gathers together all the debugging information, and then | |
4397 | processes all the link order information. This may cause it to | |
4398 | close and reopen some input BFDs; I'll see how bad this is. */ | |
252b5132 | 4399 | |
3b5d3310 NC |
4400 | bfd_boolean |
4401 | _bfd_ecoff_bfd_final_link (bfd *abfd, struct bfd_link_info *info) | |
252b5132 | 4402 | { |
3b5d3310 NC |
4403 | const struct ecoff_backend_data * const backend = ecoff_backend (abfd); |
4404 | struct ecoff_debug_info * const debug = &ecoff_data (abfd)->debug_info; | |
4405 | HDRR *symhdr; | |
4406 | void * handle; | |
252b5132 | 4407 | bfd *input_bfd; |
3b5d3310 NC |
4408 | asection *o; |
4409 | struct bfd_link_order *p; | |
4410 | struct extsym_info einfo; | |
252b5132 | 4411 | |
3b5d3310 NC |
4412 | /* We accumulate the debugging information counts in the symbolic |
4413 | header. */ | |
4414 | symhdr = &debug->symbolic_header; | |
4415 | symhdr->vstamp = 0; | |
4416 | symhdr->ilineMax = 0; | |
4417 | symhdr->cbLine = 0; | |
4418 | symhdr->idnMax = 0; | |
4419 | symhdr->ipdMax = 0; | |
4420 | symhdr->isymMax = 0; | |
4421 | symhdr->ioptMax = 0; | |
4422 | symhdr->iauxMax = 0; | |
4423 | symhdr->issMax = 0; | |
4424 | symhdr->issExtMax = 0; | |
4425 | symhdr->ifdMax = 0; | |
4426 | symhdr->crfd = 0; | |
4427 | symhdr->iextMax = 0; | |
252b5132 | 4428 | |
3b5d3310 NC |
4429 | /* We accumulate the debugging information itself in the debug_info |
4430 | structure. */ | |
4431 | debug->line = NULL; | |
4432 | debug->external_dnr = NULL; | |
4433 | debug->external_pdr = NULL; | |
4434 | debug->external_sym = NULL; | |
4435 | debug->external_opt = NULL; | |
4436 | debug->external_aux = NULL; | |
4437 | debug->ss = NULL; | |
4438 | debug->ssext = debug->ssext_end = NULL; | |
4439 | debug->external_fdr = NULL; | |
4440 | debug->external_rfd = NULL; | |
4441 | debug->external_ext = debug->external_ext_end = NULL; | |
252b5132 | 4442 | |
3b5d3310 NC |
4443 | handle = bfd_ecoff_debug_init (abfd, debug, &backend->debug_swap, info); |
4444 | if (handle == NULL) | |
4445 | return FALSE; | |
252b5132 | 4446 | |
3b5d3310 NC |
4447 | /* Accumulate the debugging symbols from each input BFD. */ |
4448 | for (input_bfd = info->input_bfds; | |
4449 | input_bfd != NULL; | |
4450 | input_bfd = input_bfd->link_next) | |
4451 | { | |
4452 | bfd_boolean ret; | |
252b5132 | 4453 | |
3b5d3310 NC |
4454 | if (bfd_get_flavour (input_bfd) == bfd_target_ecoff_flavour) |
4455 | { | |
4456 | /* Arbitrarily set the symbolic header vstamp to the vstamp | |
4457 | of the first object file in the link. */ | |
4458 | if (symhdr->vstamp == 0) | |
4459 | symhdr->vstamp | |
4460 | = ecoff_data (input_bfd)->debug_info.symbolic_header.vstamp; | |
4461 | ret = ecoff_final_link_debug_accumulate (abfd, input_bfd, info, | |
4462 | handle); | |
4463 | } | |
4464 | else | |
4465 | ret = bfd_ecoff_debug_accumulate_other (handle, abfd, | |
4466 | debug, &backend->debug_swap, | |
4467 | input_bfd, info); | |
4468 | if (! ret) | |
4469 | return FALSE; | |
252b5132 | 4470 | |
3b5d3310 NC |
4471 | /* Combine the register masks. */ |
4472 | ecoff_data (abfd)->gprmask |= ecoff_data (input_bfd)->gprmask; | |
4473 | ecoff_data (abfd)->fprmask |= ecoff_data (input_bfd)->fprmask; | |
4474 | ecoff_data (abfd)->cprmask[0] |= ecoff_data (input_bfd)->cprmask[0]; | |
4475 | ecoff_data (abfd)->cprmask[1] |= ecoff_data (input_bfd)->cprmask[1]; | |
4476 | ecoff_data (abfd)->cprmask[2] |= ecoff_data (input_bfd)->cprmask[2]; | |
4477 | ecoff_data (abfd)->cprmask[3] |= ecoff_data (input_bfd)->cprmask[3]; | |
4478 | } | |
252b5132 | 4479 | |
3b5d3310 NC |
4480 | /* Write out the external symbols. */ |
4481 | einfo.abfd = abfd; | |
4482 | einfo.info = info; | |
7686d77d | 4483 | bfd_hash_traverse (&info->hash->table, ecoff_link_write_external, &einfo); |
252b5132 | 4484 | |
1049f94e | 4485 | if (info->relocatable) |
252b5132 | 4486 | { |
3b5d3310 NC |
4487 | /* We need to make a pass over the link_orders to count up the |
4488 | number of relocations we will need to output, so that we know | |
4489 | how much space they will take up. */ | |
4490 | for (o = abfd->sections; o != NULL; o = o->next) | |
4491 | { | |
4492 | o->reloc_count = 0; | |
8423293d | 4493 | for (p = o->map_head.link_order; |
3b5d3310 NC |
4494 | p != NULL; |
4495 | p = p->next) | |
4496 | if (p->type == bfd_indirect_link_order) | |
4497 | o->reloc_count += p->u.indirect.section->reloc_count; | |
4498 | else if (p->type == bfd_section_reloc_link_order | |
4499 | || p->type == bfd_symbol_reloc_link_order) | |
4500 | ++o->reloc_count; | |
4501 | } | |
252b5132 RH |
4502 | } |
4503 | ||
3b5d3310 NC |
4504 | /* Compute the reloc and symbol file positions. */ |
4505 | ecoff_compute_reloc_file_positions (abfd); | |
252b5132 | 4506 | |
3b5d3310 NC |
4507 | /* Write out the debugging information. */ |
4508 | if (! bfd_ecoff_write_accumulated_debug (handle, abfd, debug, | |
4509 | &backend->debug_swap, info, | |
4510 | ecoff_data (abfd)->sym_filepos)) | |
4511 | return FALSE; | |
252b5132 | 4512 | |
3b5d3310 | 4513 | bfd_ecoff_debug_free (handle, abfd, debug, &backend->debug_swap, info); |
252b5132 | 4514 | |
3b5d3310 | 4515 | if (info->relocatable) |
252b5132 | 4516 | { |
3b5d3310 NC |
4517 | /* Now reset the reloc_count field of the sections in the output |
4518 | BFD to 0, so that we can use them to keep track of how many | |
4519 | relocs we have output thus far. */ | |
4520 | for (o = abfd->sections; o != NULL; o = o->next) | |
4521 | o->reloc_count = 0; | |
252b5132 RH |
4522 | } |
4523 | ||
3b5d3310 NC |
4524 | /* Get a value for the GP register. */ |
4525 | if (ecoff_data (abfd)->gp == 0) | |
252b5132 RH |
4526 | { |
4527 | struct bfd_link_hash_entry *h; | |
4528 | ||
3b5d3310 | 4529 | h = bfd_link_hash_lookup (info->hash, "_gp", FALSE, FALSE, TRUE); |
252b5132 | 4530 | if (h != NULL |
3b5d3310 NC |
4531 | && h->type == bfd_link_hash_defined) |
4532 | ecoff_data (abfd)->gp = (h->u.def.value | |
4533 | + h->u.def.section->output_section->vma | |
4534 | + h->u.def.section->output_offset); | |
4535 | else if (info->relocatable) | |
252b5132 | 4536 | { |
3b5d3310 NC |
4537 | bfd_vma lo; |
4538 | ||
4539 | /* Make up a value. */ | |
4540 | lo = (bfd_vma) -1; | |
4541 | for (o = abfd->sections; o != NULL; o = o->next) | |
4542 | { | |
4543 | if (o->vma < lo | |
4544 | && (streq (o->name, _SBSS) | |
4545 | || streq (o->name, _SDATA) | |
4546 | || streq (o->name, _LIT4) | |
4547 | || streq (o->name, _LIT8) | |
4548 | || streq (o->name, _LITA))) | |
4549 | lo = o->vma; | |
4550 | } | |
4551 | ecoff_data (abfd)->gp = lo + 0x8000; | |
252b5132 RH |
4552 | } |
4553 | else | |
4554 | { | |
3b5d3310 NC |
4555 | /* If the relocate_section function needs to do a reloc |
4556 | involving the GP value, it should make a reloc_dangerous | |
4557 | callback to warn that GP is not defined. */ | |
252b5132 RH |
4558 | } |
4559 | } | |
4560 | ||
3b5d3310 | 4561 | for (o = abfd->sections; o != NULL; o = o->next) |
252b5132 | 4562 | { |
8423293d | 4563 | for (p = o->map_head.link_order; |
3b5d3310 NC |
4564 | p != NULL; |
4565 | p = p->next) | |
252b5132 | 4566 | { |
3b5d3310 NC |
4567 | if (p->type == bfd_indirect_link_order |
4568 | && (bfd_get_flavour (p->u.indirect.section->owner) | |
4569 | == bfd_target_ecoff_flavour)) | |
252b5132 | 4570 | { |
3b5d3310 NC |
4571 | if (! ecoff_indirect_link_order (abfd, info, o, p)) |
4572 | return FALSE; | |
4573 | } | |
4574 | else if (p->type == bfd_section_reloc_link_order | |
4575 | || p->type == bfd_symbol_reloc_link_order) | |
4576 | { | |
4577 | if (! ecoff_reloc_link_order (abfd, info, o, p)) | |
4578 | return FALSE; | |
4579 | } | |
4580 | else | |
4581 | { | |
4582 | if (! _bfd_default_link_order (abfd, info, o, p)) | |
4583 | return FALSE; | |
252b5132 | 4584 | } |
252b5132 | 4585 | } |
252b5132 RH |
4586 | } |
4587 | ||
3b5d3310 | 4588 | bfd_get_symcount (abfd) = symhdr->iextMax + symhdr->isymMax; |
252b5132 | 4589 | |
3b5d3310 | 4590 | ecoff_data (abfd)->linker = TRUE; |
252b5132 | 4591 | |
3b5d3310 | 4592 | return TRUE; |
252b5132 | 4593 | } |