Commit | Line | Data |
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dae31cf5 | 1 | /* Generic ECOFF (Extended-COFF) routines. |
6c97aedf | 2 | Copyright 1990, 1991, 1992, 1993, 1994, 1995 Free Software Foundation, Inc. |
dae31cf5 ILT |
3 | Original version by Per Bothner. |
4 | Full support added by Ian Lance Taylor, ian@cygnus.com. | |
5 | ||
6 | This file is part of BFD, the Binary File Descriptor library. | |
7 | ||
8 | This program is free software; you can redistribute it and/or modify | |
9 | it under the terms of the GNU General Public License as published by | |
10 | the Free Software Foundation; either version 2 of the License, or | |
11 | (at your option) any later version. | |
12 | ||
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. | |
17 | ||
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 | |
943fbd5b | 20 | Foundation, Inc., 59 Temple Place - Suite 330, Boston, MA 02111-1307, USA. */ |
dae31cf5 ILT |
21 | |
22 | #include "bfd.h" | |
23 | #include "sysdep.h" | |
4c3721d5 | 24 | #include "bfdlink.h" |
dae31cf5 | 25 | #include "libbfd.h" |
dae31cf5 ILT |
26 | #include "aout/ar.h" |
27 | #include "aout/ranlib.h" | |
7b18561f | 28 | #include "aout/stab_gnu.h" |
dae31cf5 ILT |
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" | |
45 | \f | |
46 | /* Prototypes for static functions. */ | |
47 | ||
a7853216 | 48 | static int ecoff_get_magic PARAMS ((bfd *abfd)); |
75f3ef7a ILT |
49 | static long ecoff_sec_to_styp_flags PARAMS ((const char *name, |
50 | flagword flags)); | |
966e0a16 | 51 | static boolean ecoff_slurp_symbolic_header PARAMS ((bfd *abfd)); |
9783e04a | 52 | static boolean ecoff_set_symbol_info PARAMS ((bfd *abfd, SYMR *ecoff_sym, |
0652d579 | 53 | asymbol *asym, int ext, int weak)); |
2ec2e6a9 ILT |
54 | static void ecoff_emit_aggregate PARAMS ((bfd *abfd, FDR *fdr, |
55 | char *string, | |
dae31cf5 | 56 | RNDXR *rndx, long isym, |
2ec2e6a9 ILT |
57 | const char *which)); |
58 | static char *ecoff_type_to_string PARAMS ((bfd *abfd, FDR *fdr, | |
59 | unsigned int indx)); | |
dae31cf5 ILT |
60 | static boolean ecoff_slurp_reloc_table PARAMS ((bfd *abfd, asection *section, |
61 | asymbol **symbols)); | |
aca73687 ILT |
62 | static int ecoff_sort_hdrs PARAMS ((const PTR, const PTR)); |
63 | static boolean ecoff_compute_section_file_positions PARAMS ((bfd *abfd)); | |
966e0a16 | 64 | static bfd_size_type ecoff_compute_reloc_file_positions PARAMS ((bfd *abfd)); |
8d12f138 ILT |
65 | static boolean ecoff_get_extr PARAMS ((asymbol *, EXTR *)); |
66 | static void ecoff_set_index PARAMS ((asymbol *, bfd_size_type)); | |
dae31cf5 ILT |
67 | static unsigned int ecoff_armap_hash PARAMS ((CONST char *s, |
68 | unsigned int *rehash, | |
69 | unsigned int size, | |
70 | unsigned int hlog)); | |
71 | \f | |
dae31cf5 ILT |
72 | /* This stuff is somewhat copied from coffcode.h. */ |
73 | ||
74 | static asection bfd_debug_section = { "*DEBUG*" }; | |
75 | ||
48edba81 ILT |
76 | /* Create an ECOFF object. */ |
77 | ||
78 | boolean | |
75f3ef7a | 79 | _bfd_ecoff_mkobject (abfd) |
48edba81 ILT |
80 | bfd *abfd; |
81 | { | |
82 | abfd->tdata.ecoff_obj_data = ((struct ecoff_tdata *) | |
83 | bfd_zalloc (abfd, sizeof (ecoff_data_type))); | |
84 | if (abfd->tdata.ecoff_obj_data == NULL) | |
a9713b91 | 85 | return false; |
48edba81 | 86 | |
48edba81 ILT |
87 | return true; |
88 | } | |
89 | ||
a7853216 ILT |
90 | /* This is a hook called by coff_real_object_p to create any backend |
91 | specific information. */ | |
92 | ||
93 | PTR | |
75f3ef7a | 94 | _bfd_ecoff_mkobject_hook (abfd, filehdr, aouthdr) |
a7853216 ILT |
95 | bfd *abfd; |
96 | PTR filehdr; | |
97 | PTR aouthdr; | |
98 | { | |
99 | struct internal_filehdr *internal_f = (struct internal_filehdr *) filehdr; | |
100 | struct internal_aouthdr *internal_a = (struct internal_aouthdr *) aouthdr; | |
101 | ecoff_data_type *ecoff; | |
a7853216 | 102 | |
75f3ef7a | 103 | if (_bfd_ecoff_mkobject (abfd) == false) |
a7853216 ILT |
104 | return NULL; |
105 | ||
106 | ecoff = ecoff_data (abfd); | |
107 | ecoff->gp_size = 8; | |
108 | ecoff->sym_filepos = internal_f->f_symptr; | |
109 | ||
a7853216 ILT |
110 | if (internal_a != (struct internal_aouthdr *) NULL) |
111 | { | |
112 | int i; | |
113 | ||
114 | ecoff->text_start = internal_a->text_start; | |
115 | ecoff->text_end = internal_a->text_start + internal_a->tsize; | |
116 | ecoff->gp = internal_a->gp_value; | |
117 | ecoff->gprmask = internal_a->gprmask; | |
118 | for (i = 0; i < 4; i++) | |
119 | ecoff->cprmask[i] = internal_a->cprmask[i]; | |
120 | ecoff->fprmask = internal_a->fprmask; | |
121 | if (internal_a->magic == ECOFF_AOUT_ZMAGIC) | |
122 | abfd->flags |= D_PAGED; | |
9675c281 ILT |
123 | else |
124 | abfd->flags &=~ D_PAGED; | |
a7853216 ILT |
125 | } |
126 | ||
127 | /* It turns out that no special action is required by the MIPS or | |
128 | Alpha ECOFF backends. They have different information in the | |
129 | a.out header, but we just copy it all (e.g., gprmask, cprmask and | |
130 | fprmask) and let the swapping routines ensure that only relevant | |
131 | information is written out. */ | |
132 | ||
133 | return (PTR) ecoff; | |
134 | } | |
135 | ||
dae31cf5 ILT |
136 | /* Initialize a new section. */ |
137 | ||
138 | boolean | |
75f3ef7a | 139 | _bfd_ecoff_new_section_hook (abfd, section) |
dae31cf5 ILT |
140 | bfd *abfd; |
141 | asection *section; | |
142 | { | |
3f048f7f | 143 | /* For the .pdata section, which has a special meaning on the Alpha, |
7b18561f | 144 | we set the alignment power to 3. We correct this later in |
3f048f7f ILT |
145 | ecoff_compute_section_file_positions. We do this hackery because |
146 | we need to know the exact unaligned size of the .pdata section in | |
7b18561f ILT |
147 | order to set the lnnoptr field correctly. For every other |
148 | section we use an alignment power of 4; this could be made target | |
149 | dependent by adding a field to ecoff_backend_data, but 4 appears | |
150 | to be correct for both the MIPS and the Alpha. */ | |
3f048f7f ILT |
151 | if (strcmp (section->name, _PDATA) == 0) |
152 | section->alignment_power = 3; | |
153 | else | |
7b18561f | 154 | section->alignment_power = 4; |
dae31cf5 ILT |
155 | |
156 | if (strcmp (section->name, _TEXT) == 0) | |
157 | section->flags |= SEC_CODE | SEC_LOAD | SEC_ALLOC; | |
158 | else if (strcmp (section->name, _DATA) == 0 | |
159 | || strcmp (section->name, _SDATA) == 0) | |
160 | section->flags |= SEC_DATA | SEC_LOAD | SEC_ALLOC; | |
161 | else if (strcmp (section->name, _RDATA) == 0 | |
162 | || strcmp (section->name, _LIT8) == 0 | |
a877f591 ILT |
163 | || strcmp (section->name, _LIT4) == 0 |
164 | || strcmp (section->name, _RCONST) == 0) | |
dae31cf5 ILT |
165 | section->flags |= SEC_DATA | SEC_LOAD | SEC_ALLOC | SEC_READONLY; |
166 | else if (strcmp (section->name, _BSS) == 0 | |
167 | || strcmp (section->name, _SBSS) == 0) | |
168 | section->flags |= SEC_ALLOC; | |
f8ee1ebb ILT |
169 | else if (strcmp (section->name, _LIB) == 0) |
170 | { | |
171 | /* An Irix 4 shared libary. */ | |
c16313f0 | 172 | section->flags |= SEC_COFF_SHARED_LIBRARY; |
f8ee1ebb | 173 | } |
dae31cf5 ILT |
174 | |
175 | /* Probably any other section name is SEC_NEVER_LOAD, but I'm | |
176 | uncertain about .init on some systems and I don't know how shared | |
177 | libraries work. */ | |
178 | ||
179 | return true; | |
180 | } | |
181 | ||
a7853216 ILT |
182 | /* Determine the machine architecture and type. This is called from |
183 | the generic COFF routines. It is the inverse of ecoff_get_magic, | |
184 | below. This could be an ECOFF backend routine, with one version | |
185 | for each target, but there aren't all that many ECOFF targets. */ | |
dae31cf5 ILT |
186 | |
187 | boolean | |
75f3ef7a | 188 | _bfd_ecoff_set_arch_mach_hook (abfd, filehdr) |
dae31cf5 ILT |
189 | bfd *abfd; |
190 | PTR filehdr; | |
191 | { | |
192 | struct internal_filehdr *internal_f = (struct internal_filehdr *) filehdr; | |
193 | enum bfd_architecture arch; | |
a7853216 | 194 | unsigned long mach; |
dae31cf5 ILT |
195 | |
196 | switch (internal_f->f_magic) | |
197 | { | |
198 | case MIPS_MAGIC_1: | |
199 | case MIPS_MAGIC_LITTLE: | |
200 | case MIPS_MAGIC_BIG: | |
201 | arch = bfd_arch_mips; | |
a7853216 ILT |
202 | mach = 3000; |
203 | break; | |
204 | ||
205 | case MIPS_MAGIC_LITTLE2: | |
206 | case MIPS_MAGIC_BIG2: | |
207 | /* MIPS ISA level 2: the r6000 */ | |
208 | arch = bfd_arch_mips; | |
209 | mach = 6000; | |
210 | break; | |
211 | ||
212 | case MIPS_MAGIC_LITTLE3: | |
213 | case MIPS_MAGIC_BIG3: | |
214 | /* MIPS ISA level 3: the r4000 */ | |
215 | arch = bfd_arch_mips; | |
216 | mach = 4000; | |
dae31cf5 ILT |
217 | break; |
218 | ||
219 | case ALPHA_MAGIC: | |
220 | arch = bfd_arch_alpha; | |
a7853216 | 221 | mach = 0; |
dae31cf5 ILT |
222 | break; |
223 | ||
224 | default: | |
225 | arch = bfd_arch_obscure; | |
a7853216 | 226 | mach = 0; |
dae31cf5 ILT |
227 | break; |
228 | } | |
229 | ||
a7853216 ILT |
230 | return bfd_default_set_arch_mach (abfd, arch, mach); |
231 | } | |
dae31cf5 | 232 | |
a7853216 | 233 | /* Get the magic number to use based on the architecture and machine. |
75f3ef7a | 234 | This is the inverse of _bfd_ecoff_set_arch_mach_hook, above. */ |
a7853216 ILT |
235 | |
236 | static int | |
237 | ecoff_get_magic (abfd) | |
238 | bfd *abfd; | |
239 | { | |
240 | int big, little; | |
241 | ||
242 | switch (bfd_get_arch (abfd)) | |
243 | { | |
244 | case bfd_arch_mips: | |
245 | switch (bfd_get_mach (abfd)) | |
246 | { | |
247 | default: | |
248 | case 0: | |
249 | case 3000: | |
250 | big = MIPS_MAGIC_BIG; | |
251 | little = MIPS_MAGIC_LITTLE; | |
252 | break; | |
253 | ||
254 | case 6000: | |
255 | big = MIPS_MAGIC_BIG2; | |
256 | little = MIPS_MAGIC_LITTLE2; | |
257 | break; | |
258 | ||
259 | case 4000: | |
260 | big = MIPS_MAGIC_BIG3; | |
261 | little = MIPS_MAGIC_LITTLE3; | |
262 | break; | |
263 | } | |
264 | ||
265 | return abfd->xvec->byteorder_big_p ? big : little; | |
266 | ||
267 | case bfd_arch_alpha: | |
268 | return ALPHA_MAGIC; | |
269 | ||
270 | default: | |
271 | abort (); | |
272 | return 0; | |
273 | } | |
dae31cf5 ILT |
274 | } |
275 | ||
276 | /* Get the section s_flags to use for a section. */ | |
277 | ||
75f3ef7a | 278 | static long |
dae31cf5 | 279 | ecoff_sec_to_styp_flags (name, flags) |
75f3ef7a | 280 | const char *name; |
dae31cf5 ILT |
281 | flagword flags; |
282 | { | |
283 | long styp; | |
284 | ||
285 | styp = 0; | |
286 | ||
287 | if (strcmp (name, _TEXT) == 0) | |
288 | styp = STYP_TEXT; | |
289 | else if (strcmp (name, _DATA) == 0) | |
290 | styp = STYP_DATA; | |
291 | else if (strcmp (name, _SDATA) == 0) | |
292 | styp = STYP_SDATA; | |
293 | else if (strcmp (name, _RDATA) == 0) | |
294 | styp = STYP_RDATA; | |
c9668c58 ILT |
295 | else if (strcmp (name, _LITA) == 0) |
296 | styp = STYP_LITA; | |
dae31cf5 ILT |
297 | else if (strcmp (name, _LIT8) == 0) |
298 | styp = STYP_LIT8; | |
299 | else if (strcmp (name, _LIT4) == 0) | |
300 | styp = STYP_LIT4; | |
301 | else if (strcmp (name, _BSS) == 0) | |
302 | styp = STYP_BSS; | |
303 | else if (strcmp (name, _SBSS) == 0) | |
304 | styp = STYP_SBSS; | |
305 | else if (strcmp (name, _INIT) == 0) | |
306 | styp = STYP_ECOFF_INIT; | |
a7853216 ILT |
307 | else if (strcmp (name, _FINI) == 0) |
308 | styp = STYP_ECOFF_FINI; | |
966e0a16 ILT |
309 | else if (strcmp (name, _PDATA) == 0) |
310 | styp = STYP_PDATA; | |
311 | else if (strcmp (name, _XDATA) == 0) | |
312 | styp = STYP_XDATA; | |
f8ee1ebb ILT |
313 | else if (strcmp (name, _LIB) == 0) |
314 | styp = STYP_ECOFF_LIB; | |
aca73687 ILT |
315 | else if (strcmp (name, _GOT) == 0) |
316 | styp = STYP_GOT; | |
317 | else if (strcmp (name, _HASH) == 0) | |
318 | styp = STYP_HASH; | |
319 | else if (strcmp (name, _DYNAMIC) == 0) | |
320 | styp = STYP_DYNAMIC; | |
321 | else if (strcmp (name, _LIBLIST) == 0) | |
322 | styp = STYP_LIBLIST; | |
323 | else if (strcmp (name, _RELDYN) == 0) | |
324 | styp = STYP_RELDYN; | |
325 | else if (strcmp (name, _CONFLIC) == 0) | |
326 | styp = STYP_CONFLIC; | |
327 | else if (strcmp (name, _DYNSTR) == 0) | |
328 | styp = STYP_DYNSTR; | |
329 | else if (strcmp (name, _DYNSYM) == 0) | |
330 | styp = STYP_DYNSYM; | |
331 | else if (strcmp (name, _COMMENT) == 0) | |
332 | { | |
333 | styp = STYP_COMMENT; | |
334 | flags &=~ SEC_NEVER_LOAD; | |
335 | } | |
a877f591 ILT |
336 | else if (strcmp (name, _RCONST) == 0) |
337 | styp = STYP_RCONST; | |
dae31cf5 ILT |
338 | else if (flags & SEC_CODE) |
339 | styp = STYP_TEXT; | |
340 | else if (flags & SEC_DATA) | |
341 | styp = STYP_DATA; | |
342 | else if (flags & SEC_READONLY) | |
343 | styp = STYP_RDATA; | |
344 | else if (flags & SEC_LOAD) | |
345 | styp = STYP_REG; | |
346 | else | |
347 | styp = STYP_BSS; | |
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 | ||
728472f1 | 357 | /*ARGSUSED*/ |
dae31cf5 | 358 | flagword |
7b18561f | 359 | _bfd_ecoff_styp_to_sec_flags (abfd, hdr, name) |
dae31cf5 ILT |
360 | bfd *abfd; |
361 | PTR hdr; | |
7b18561f | 362 | const char *name; |
dae31cf5 ILT |
363 | { |
364 | struct internal_scnhdr *internal_s = (struct internal_scnhdr *) hdr; | |
365 | long styp_flags = internal_s->s_flags; | |
366 | flagword sec_flags=0; | |
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) | |
a7853216 | 374 | || (styp_flags & STYP_ECOFF_INIT) |
aca73687 ILT |
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)) | |
dae31cf5 ILT |
383 | { |
384 | if (sec_flags & SEC_NEVER_LOAD) | |
c16313f0 | 385 | sec_flags |= SEC_CODE | SEC_COFF_SHARED_LIBRARY; |
dae31cf5 ILT |
386 | else |
387 | sec_flags |= SEC_CODE | SEC_LOAD | SEC_ALLOC; | |
388 | } | |
389 | else if ((styp_flags & STYP_DATA) | |
390 | || (styp_flags & STYP_RDATA) | |
a3a33af3 ILT |
391 | || (styp_flags & STYP_SDATA) |
392 | || styp_flags == STYP_PDATA | |
aca73687 | 393 | || styp_flags == STYP_XDATA |
a877f591 ILT |
394 | || (styp_flags & STYP_GOT) |
395 | || styp_flags == STYP_RCONST) | |
dae31cf5 ILT |
396 | { |
397 | if (sec_flags & SEC_NEVER_LOAD) | |
c16313f0 | 398 | sec_flags |= SEC_DATA | SEC_COFF_SHARED_LIBRARY; |
dae31cf5 ILT |
399 | else |
400 | sec_flags |= SEC_DATA | SEC_LOAD | SEC_ALLOC; | |
a3a33af3 | 401 | if ((styp_flags & STYP_RDATA) |
a877f591 ILT |
402 | || styp_flags == STYP_PDATA |
403 | || styp_flags == STYP_RCONST) | |
dae31cf5 ILT |
404 | sec_flags |= SEC_READONLY; |
405 | } | |
406 | else if ((styp_flags & STYP_BSS) | |
407 | || (styp_flags & STYP_SBSS)) | |
408 | { | |
409 | sec_flags |= SEC_ALLOC; | |
410 | } | |
a3a33af3 | 411 | else if ((styp_flags & STYP_INFO) || styp_flags == STYP_COMMENT) |
dae31cf5 ILT |
412 | { |
413 | sec_flags |= SEC_NEVER_LOAD; | |
414 | } | |
c9668c58 ILT |
415 | else if ((styp_flags & STYP_LITA) |
416 | || (styp_flags & STYP_LIT8) | |
dae31cf5 ILT |
417 | || (styp_flags & STYP_LIT4)) |
418 | { | |
419 | sec_flags |= SEC_DATA | SEC_LOAD | SEC_ALLOC | SEC_READONLY; | |
420 | } | |
f8ee1ebb ILT |
421 | else if (styp_flags & STYP_ECOFF_LIB) |
422 | { | |
c16313f0 | 423 | sec_flags |= SEC_COFF_SHARED_LIBRARY; |
f8ee1ebb | 424 | } |
dae31cf5 ILT |
425 | else |
426 | { | |
427 | sec_flags |= SEC_ALLOC | SEC_LOAD; | |
428 | } | |
429 | ||
430 | return sec_flags; | |
431 | } | |
432 | \f | |
966e0a16 | 433 | /* Read in the symbolic header for an ECOFF object file. */ |
dae31cf5 | 434 | |
966e0a16 ILT |
435 | static boolean |
436 | ecoff_slurp_symbolic_header (abfd) | |
dae31cf5 ILT |
437 | bfd *abfd; |
438 | { | |
439 | const struct ecoff_backend_data * const backend = ecoff_backend (abfd); | |
440 | bfd_size_type external_hdr_size; | |
80425e6c | 441 | PTR raw = NULL; |
966e0a16 | 442 | HDRR *internal_symhdr; |
dae31cf5 | 443 | |
966e0a16 ILT |
444 | /* See if we've already read it in. */ |
445 | if (ecoff_data (abfd)->debug_info.symbolic_header.magic == | |
446 | backend->debug_swap.sym_magic) | |
dae31cf5 | 447 | return true; |
966e0a16 ILT |
448 | |
449 | /* See whether there is a symbolic header. */ | |
dae31cf5 ILT |
450 | if (ecoff_data (abfd)->sym_filepos == 0) |
451 | { | |
452 | bfd_get_symcount (abfd) = 0; | |
453 | return true; | |
454 | } | |
455 | ||
456 | /* At this point bfd_get_symcount (abfd) holds the number of symbols | |
457 | as read from the file header, but on ECOFF this is always the | |
458 | size of the symbolic information header. It would be cleaner to | |
459 | handle this when we first read the file in coffgen.c. */ | |
c9668c58 | 460 | external_hdr_size = backend->debug_swap.external_hdr_size; |
dae31cf5 ILT |
461 | if (bfd_get_symcount (abfd) != external_hdr_size) |
462 | { | |
d1ad85a6 | 463 | bfd_set_error (bfd_error_bad_value); |
dae31cf5 ILT |
464 | return false; |
465 | } | |
466 | ||
467 | /* Read the symbolic information header. */ | |
58142f10 | 468 | raw = (PTR) bfd_malloc ((size_t) external_hdr_size); |
80425e6c | 469 | if (raw == NULL) |
58142f10 | 470 | goto error_return; |
80425e6c | 471 | |
dae31cf5 ILT |
472 | if (bfd_seek (abfd, ecoff_data (abfd)->sym_filepos, SEEK_SET) == -1 |
473 | || (bfd_read (raw, external_hdr_size, 1, abfd) | |
474 | != external_hdr_size)) | |
25057836 | 475 | goto error_return; |
c9668c58 ILT |
476 | internal_symhdr = &ecoff_data (abfd)->debug_info.symbolic_header; |
477 | (*backend->debug_swap.swap_hdr_in) (abfd, raw, internal_symhdr); | |
dae31cf5 | 478 | |
c9668c58 | 479 | if (internal_symhdr->magic != backend->debug_swap.sym_magic) |
dae31cf5 | 480 | { |
d1ad85a6 | 481 | bfd_set_error (bfd_error_bad_value); |
80425e6c | 482 | goto error_return; |
dae31cf5 ILT |
483 | } |
484 | ||
485 | /* Now we can get the correct number of symbols. */ | |
486 | bfd_get_symcount (abfd) = (internal_symhdr->isymMax | |
487 | + internal_symhdr->iextMax); | |
488 | ||
80425e6c JK |
489 | if (raw != NULL) |
490 | free (raw); | |
966e0a16 | 491 | return true; |
80425e6c JK |
492 | error_return: |
493 | if (raw != NULL) | |
494 | free (raw); | |
495 | return false; | |
966e0a16 ILT |
496 | } |
497 | ||
498 | /* Read in and swap the important symbolic information for an ECOFF | |
aac6b32f ILT |
499 | object file. This is called by gdb via the read_debug_info entry |
500 | point in the backend structure. */ | |
966e0a16 | 501 | |
aac6b32f | 502 | /*ARGSUSED*/ |
966e0a16 | 503 | boolean |
75f3ef7a | 504 | _bfd_ecoff_slurp_symbolic_info (abfd, ignore, debug) |
966e0a16 | 505 | bfd *abfd; |
aac6b32f ILT |
506 | asection *ignore; |
507 | struct ecoff_debug_info *debug; | |
966e0a16 ILT |
508 | { |
509 | const struct ecoff_backend_data * const backend = ecoff_backend (abfd); | |
510 | HDRR *internal_symhdr; | |
511 | bfd_size_type raw_base; | |
512 | bfd_size_type raw_size; | |
513 | PTR raw; | |
514 | bfd_size_type external_fdr_size; | |
515 | char *fraw_src; | |
516 | char *fraw_end; | |
517 | struct fdr *fdr_ptr; | |
518 | bfd_size_type raw_end; | |
519 | bfd_size_type cb_end; | |
520 | ||
aac6b32f ILT |
521 | BFD_ASSERT (debug == &ecoff_data (abfd)->debug_info); |
522 | ||
966e0a16 ILT |
523 | /* Check whether we've already gotten it, and whether there's any to |
524 | get. */ | |
525 | if (ecoff_data (abfd)->raw_syments != (PTR) NULL) | |
526 | return true; | |
527 | if (ecoff_data (abfd)->sym_filepos == 0) | |
528 | { | |
529 | bfd_get_symcount (abfd) = 0; | |
530 | return true; | |
531 | } | |
532 | ||
533 | if (! ecoff_slurp_symbolic_header (abfd)) | |
534 | return false; | |
535 | ||
aac6b32f | 536 | internal_symhdr = &debug->symbolic_header; |
966e0a16 | 537 | |
dae31cf5 | 538 | /* Read all the symbolic information at once. */ |
966e0a16 ILT |
539 | raw_base = (ecoff_data (abfd)->sym_filepos |
540 | + backend->debug_swap.external_hdr_size); | |
dae31cf5 | 541 | |
a7853216 ILT |
542 | /* Alpha ecoff makes the determination of raw_size difficult. It has |
543 | an undocumented debug data section between the symhdr and the first | |
544 | documented section. And the ordering of the sections varies between | |
545 | statically and dynamically linked executables. | |
546 | If bfd supports SEEK_END someday, this code could be simplified. */ | |
547 | ||
548 | raw_end = 0; | |
549 | ||
550 | #define UPDATE_RAW_END(start, count, size) \ | |
551 | cb_end = internal_symhdr->start + internal_symhdr->count * (size); \ | |
552 | if (cb_end > raw_end) \ | |
553 | raw_end = cb_end | |
554 | ||
555 | UPDATE_RAW_END (cbLineOffset, cbLine, sizeof (unsigned char)); | |
c9668c58 ILT |
556 | UPDATE_RAW_END (cbDnOffset, idnMax, backend->debug_swap.external_dnr_size); |
557 | UPDATE_RAW_END (cbPdOffset, ipdMax, backend->debug_swap.external_pdr_size); | |
558 | UPDATE_RAW_END (cbSymOffset, isymMax, backend->debug_swap.external_sym_size); | |
559 | UPDATE_RAW_END (cbOptOffset, ioptMax, backend->debug_swap.external_opt_size); | |
a7853216 ILT |
560 | UPDATE_RAW_END (cbAuxOffset, iauxMax, sizeof (union aux_ext)); |
561 | UPDATE_RAW_END (cbSsOffset, issMax, sizeof (char)); | |
562 | UPDATE_RAW_END (cbSsExtOffset, issExtMax, sizeof (char)); | |
c9668c58 ILT |
563 | UPDATE_RAW_END (cbFdOffset, ifdMax, backend->debug_swap.external_fdr_size); |
564 | UPDATE_RAW_END (cbRfdOffset, crfd, backend->debug_swap.external_rfd_size); | |
565 | UPDATE_RAW_END (cbExtOffset, iextMax, backend->debug_swap.external_ext_size); | |
a7853216 ILT |
566 | |
567 | #undef UPDATE_RAW_END | |
568 | ||
569 | raw_size = raw_end - raw_base; | |
dae31cf5 ILT |
570 | if (raw_size == 0) |
571 | { | |
572 | ecoff_data (abfd)->sym_filepos = 0; | |
573 | return true; | |
574 | } | |
575 | raw = (PTR) bfd_alloc (abfd, raw_size); | |
576 | if (raw == NULL) | |
a9713b91 | 577 | return false; |
966e0a16 ILT |
578 | if (bfd_seek (abfd, |
579 | (ecoff_data (abfd)->sym_filepos | |
580 | + backend->debug_swap.external_hdr_size), | |
581 | SEEK_SET) != 0 | |
582 | || bfd_read (raw, raw_size, 1, abfd) != raw_size) | |
dae31cf5 | 583 | { |
dae31cf5 ILT |
584 | bfd_release (abfd, raw); |
585 | return false; | |
586 | } | |
587 | ||
dae31cf5 ILT |
588 | ecoff_data (abfd)->raw_syments = raw; |
589 | ||
590 | /* Get pointers for the numeric offsets in the HDRR structure. */ | |
591 | #define FIX(off1, off2, type) \ | |
592 | if (internal_symhdr->off1 == 0) \ | |
aac6b32f | 593 | debug->off2 = (type) NULL; \ |
dae31cf5 | 594 | else \ |
aac6b32f | 595 | debug->off2 = (type) ((char *) raw \ |
ae115e51 ILT |
596 | + (internal_symhdr->off1 \ |
597 | - raw_base)) | |
dae31cf5 ILT |
598 | FIX (cbLineOffset, line, unsigned char *); |
599 | FIX (cbDnOffset, external_dnr, PTR); | |
600 | FIX (cbPdOffset, external_pdr, PTR); | |
601 | FIX (cbSymOffset, external_sym, PTR); | |
602 | FIX (cbOptOffset, external_opt, PTR); | |
603 | FIX (cbAuxOffset, external_aux, union aux_ext *); | |
604 | FIX (cbSsOffset, ss, char *); | |
605 | FIX (cbSsExtOffset, ssext, char *); | |
606 | FIX (cbFdOffset, external_fdr, PTR); | |
607 | FIX (cbRfdOffset, external_rfd, PTR); | |
608 | FIX (cbExtOffset, external_ext, PTR); | |
609 | #undef FIX | |
610 | ||
611 | /* I don't want to always swap all the data, because it will just | |
612 | waste time and most programs will never look at it. The only | |
613 | time the linker needs most of the debugging information swapped | |
614 | is when linking big-endian and little-endian MIPS object files | |
615 | together, which is not a common occurrence. | |
616 | ||
617 | We need to look at the fdr to deal with a lot of information in | |
618 | the symbols, so we swap them here. */ | |
aac6b32f ILT |
619 | debug->fdr = (struct fdr *) bfd_alloc (abfd, |
620 | (internal_symhdr->ifdMax * | |
621 | sizeof (struct fdr))); | |
622 | if (debug->fdr == NULL) | |
a9713b91 | 623 | return false; |
c9668c58 | 624 | external_fdr_size = backend->debug_swap.external_fdr_size; |
aac6b32f ILT |
625 | fdr_ptr = debug->fdr; |
626 | fraw_src = (char *) debug->external_fdr; | |
dae31cf5 ILT |
627 | fraw_end = fraw_src + internal_symhdr->ifdMax * external_fdr_size; |
628 | for (; fraw_src < fraw_end; fraw_src += external_fdr_size, fdr_ptr++) | |
c9668c58 | 629 | (*backend->debug_swap.swap_fdr_in) (abfd, (PTR) fraw_src, fdr_ptr); |
dae31cf5 ILT |
630 | |
631 | return true; | |
632 | } | |
633 | \f | |
634 | /* ECOFF symbol table routines. The ECOFF symbol table is described | |
635 | in gcc/mips-tfile.c. */ | |
636 | ||
637 | /* ECOFF uses two common sections. One is the usual one, and the | |
638 | other is for small objects. All the small objects are kept | |
639 | together, and then referenced via the gp pointer, which yields | |
640 | faster assembler code. This is what we use for the small common | |
641 | section. */ | |
642 | static asection ecoff_scom_section; | |
643 | static asymbol ecoff_scom_symbol; | |
644 | static asymbol *ecoff_scom_symbol_ptr; | |
645 | ||
646 | /* Create an empty symbol. */ | |
647 | ||
648 | asymbol * | |
75f3ef7a | 649 | _bfd_ecoff_make_empty_symbol (abfd) |
dae31cf5 ILT |
650 | bfd *abfd; |
651 | { | |
652 | ecoff_symbol_type *new; | |
653 | ||
654 | new = (ecoff_symbol_type *) bfd_alloc (abfd, sizeof (ecoff_symbol_type)); | |
655 | if (new == (ecoff_symbol_type *) NULL) | |
a9713b91 | 656 | return (asymbol *) NULL; |
68241b2b | 657 | memset ((PTR) new, 0, sizeof *new); |
dae31cf5 ILT |
658 | new->symbol.section = (asection *) NULL; |
659 | new->fdr = (FDR *) NULL; | |
660 | new->local = false; | |
661 | new->native = NULL; | |
662 | new->symbol.the_bfd = abfd; | |
663 | return &new->symbol; | |
664 | } | |
665 | ||
666 | /* Set the BFD flags and section for an ECOFF symbol. */ | |
667 | ||
9783e04a | 668 | static boolean |
0652d579 | 669 | ecoff_set_symbol_info (abfd, ecoff_sym, asym, ext, weak) |
dae31cf5 ILT |
670 | bfd *abfd; |
671 | SYMR *ecoff_sym; | |
672 | asymbol *asym; | |
673 | int ext; | |
0652d579 | 674 | int weak; |
dae31cf5 ILT |
675 | { |
676 | asym->the_bfd = abfd; | |
677 | asym->value = ecoff_sym->value; | |
678 | asym->section = &bfd_debug_section; | |
a56f23ae | 679 | asym->udata.i = 0; |
dae31cf5 | 680 | |
dae31cf5 ILT |
681 | /* Most symbol types are just for debugging. */ |
682 | switch (ecoff_sym->st) | |
683 | { | |
684 | case stGlobal: | |
685 | case stStatic: | |
686 | case stLabel: | |
687 | case stProc: | |
688 | case stStaticProc: | |
689 | break; | |
690 | case stNil: | |
691 | if (ECOFF_IS_STAB (ecoff_sym)) | |
692 | { | |
693 | asym->flags = BSF_DEBUGGING; | |
9783e04a | 694 | return true; |
dae31cf5 ILT |
695 | } |
696 | break; | |
697 | default: | |
698 | asym->flags = BSF_DEBUGGING; | |
9783e04a | 699 | return true; |
dae31cf5 ILT |
700 | } |
701 | ||
0652d579 ILT |
702 | if (weak) |
703 | asym->flags = BSF_EXPORT | BSF_WEAK; | |
704 | else if (ext) | |
dae31cf5 ILT |
705 | asym->flags = BSF_EXPORT | BSF_GLOBAL; |
706 | else | |
7b18561f ILT |
707 | { |
708 | asym->flags = BSF_LOCAL; | |
709 | /* Normally, a local stProc symbol will have a corresponding | |
710 | external symbol. We mark the local symbol as a debugging | |
711 | symbol, in order to prevent nm from printing both out. | |
a56f23ae ILT |
712 | Similarly, we mark stLabel and stabs symbols as debugging |
713 | symbols. In both cases, we do want to set the value | |
714 | correctly based on the symbol class. */ | |
7b18561f | 715 | if (ecoff_sym->st == stProc |
a56f23ae ILT |
716 | || ecoff_sym->st == stLabel |
717 | || ECOFF_IS_STAB (ecoff_sym)) | |
7b18561f ILT |
718 | asym->flags |= BSF_DEBUGGING; |
719 | } | |
dae31cf5 ILT |
720 | switch (ecoff_sym->sc) |
721 | { | |
722 | case scNil: | |
723 | /* Used for compiler generated labels. Leave them in the | |
724 | debugging section, and mark them as local. If BSF_DEBUGGING | |
725 | is set, then nm does not display them for some reason. If no | |
726 | flags are set then the linker whines about them. */ | |
727 | asym->flags = BSF_LOCAL; | |
728 | break; | |
729 | case scText: | |
730 | asym->section = bfd_make_section_old_way (abfd, ".text"); | |
731 | asym->value -= asym->section->vma; | |
732 | break; | |
733 | case scData: | |
734 | asym->section = bfd_make_section_old_way (abfd, ".data"); | |
735 | asym->value -= asym->section->vma; | |
736 | break; | |
737 | case scBss: | |
70bec8b8 ILT |
738 | asym->section = bfd_make_section_old_way (abfd, ".bss"); |
739 | asym->value -= asym->section->vma; | |
dae31cf5 ILT |
740 | break; |
741 | case scRegister: | |
742 | asym->flags = BSF_DEBUGGING; | |
743 | break; | |
744 | case scAbs: | |
7b18561f | 745 | asym->section = bfd_abs_section_ptr; |
dae31cf5 ILT |
746 | break; |
747 | case scUndefined: | |
7b18561f | 748 | asym->section = bfd_und_section_ptr; |
dae31cf5 ILT |
749 | asym->flags = 0; |
750 | asym->value = 0; | |
751 | break; | |
752 | case scCdbLocal: | |
753 | case scBits: | |
754 | case scCdbSystem: | |
755 | case scRegImage: | |
756 | case scInfo: | |
757 | case scUserStruct: | |
758 | asym->flags = BSF_DEBUGGING; | |
759 | break; | |
760 | case scSData: | |
761 | asym->section = bfd_make_section_old_way (abfd, ".sdata"); | |
762 | asym->value -= asym->section->vma; | |
763 | break; | |
764 | case scSBss: | |
765 | asym->section = bfd_make_section_old_way (abfd, ".sbss"); | |
70bec8b8 | 766 | asym->value -= asym->section->vma; |
dae31cf5 ILT |
767 | break; |
768 | case scRData: | |
769 | asym->section = bfd_make_section_old_way (abfd, ".rdata"); | |
770 | asym->value -= asym->section->vma; | |
771 | break; | |
772 | case scVar: | |
773 | asym->flags = BSF_DEBUGGING; | |
774 | break; | |
775 | case scCommon: | |
776 | if (asym->value > ecoff_data (abfd)->gp_size) | |
777 | { | |
7b18561f | 778 | asym->section = bfd_com_section_ptr; |
dae31cf5 ILT |
779 | asym->flags = 0; |
780 | break; | |
781 | } | |
782 | /* Fall through. */ | |
783 | case scSCommon: | |
784 | if (ecoff_scom_section.name == NULL) | |
785 | { | |
786 | /* Initialize the small common section. */ | |
787 | ecoff_scom_section.name = SCOMMON; | |
788 | ecoff_scom_section.flags = SEC_IS_COMMON; | |
789 | ecoff_scom_section.output_section = &ecoff_scom_section; | |
790 | ecoff_scom_section.symbol = &ecoff_scom_symbol; | |
791 | ecoff_scom_section.symbol_ptr_ptr = &ecoff_scom_symbol_ptr; | |
792 | ecoff_scom_symbol.name = SCOMMON; | |
793 | ecoff_scom_symbol.flags = BSF_SECTION_SYM; | |
794 | ecoff_scom_symbol.section = &ecoff_scom_section; | |
795 | ecoff_scom_symbol_ptr = &ecoff_scom_symbol; | |
796 | } | |
797 | asym->section = &ecoff_scom_section; | |
798 | asym->flags = 0; | |
799 | break; | |
800 | case scVarRegister: | |
801 | case scVariant: | |
802 | asym->flags = BSF_DEBUGGING; | |
803 | break; | |
804 | case scSUndefined: | |
7b18561f | 805 | asym->section = bfd_und_section_ptr; |
dae31cf5 ILT |
806 | asym->flags = 0; |
807 | asym->value = 0; | |
808 | break; | |
809 | case scInit: | |
810 | asym->section = bfd_make_section_old_way (abfd, ".init"); | |
811 | asym->value -= asym->section->vma; | |
812 | break; | |
813 | case scBasedVar: | |
814 | case scXData: | |
815 | case scPData: | |
816 | asym->flags = BSF_DEBUGGING; | |
817 | break; | |
818 | case scFini: | |
819 | asym->section = bfd_make_section_old_way (abfd, ".fini"); | |
820 | asym->value -= asym->section->vma; | |
821 | break; | |
a877f591 ILT |
822 | case scRConst: |
823 | asym->section = bfd_make_section_old_way (abfd, ".rconst"); | |
824 | asym->value -= asym->section->vma; | |
825 | break; | |
dae31cf5 ILT |
826 | default: |
827 | break; | |
828 | } | |
829 | ||
830 | /* Look for special constructors symbols and make relocation entries | |
831 | in a special construction section. These are produced by the | |
832 | -fgnu-linker argument to g++. */ | |
833 | if (ECOFF_IS_STAB (ecoff_sym)) | |
834 | { | |
835 | switch (ECOFF_UNMARK_STAB (ecoff_sym->index)) | |
836 | { | |
837 | default: | |
838 | break; | |
839 | ||
840 | case N_SETA: | |
841 | case N_SETT: | |
842 | case N_SETD: | |
843 | case N_SETB: | |
844 | { | |
845 | const char *name; | |
846 | asection *section; | |
847 | arelent_chain *reloc_chain; | |
848 | unsigned int bitsize; | |
dae31cf5 ILT |
849 | |
850 | /* Get a section with the same name as the symbol (usually | |
851 | __CTOR_LIST__ or __DTOR_LIST__). FIXME: gcc uses the | |
852 | name ___CTOR_LIST (three underscores). We need | |
853 | __CTOR_LIST (two underscores), since ECOFF doesn't use | |
854 | a leading underscore. This should be handled by gcc, | |
855 | but instead we do it here. Actually, this should all | |
856 | be done differently anyhow. */ | |
857 | name = bfd_asymbol_name (asym); | |
858 | if (name[0] == '_' && name[1] == '_' && name[2] == '_') | |
859 | { | |
860 | ++name; | |
861 | asym->name = name; | |
862 | } | |
863 | section = bfd_get_section_by_name (abfd, name); | |
864 | if (section == (asection *) NULL) | |
865 | { | |
866 | char *copy; | |
867 | ||
868 | copy = (char *) bfd_alloc (abfd, strlen (name) + 1); | |
9783e04a | 869 | if (!copy) |
a9713b91 | 870 | return false; |
dae31cf5 ILT |
871 | strcpy (copy, name); |
872 | section = bfd_make_section (abfd, copy); | |
873 | } | |
874 | ||
875 | /* Build a reloc pointing to this constructor. */ | |
876 | reloc_chain = | |
877 | (arelent_chain *) bfd_alloc (abfd, sizeof (arelent_chain)); | |
9783e04a | 878 | if (!reloc_chain) |
a9713b91 | 879 | return false; |
dae31cf5 ILT |
880 | reloc_chain->relent.sym_ptr_ptr = |
881 | bfd_get_section (asym)->symbol_ptr_ptr; | |
882 | reloc_chain->relent.address = section->_raw_size; | |
883 | reloc_chain->relent.addend = asym->value; | |
8f46bac8 ILT |
884 | reloc_chain->relent.howto = |
885 | ecoff_backend (abfd)->constructor_reloc; | |
dae31cf5 ILT |
886 | |
887 | /* Set up the constructor section to hold the reloc. */ | |
888 | section->flags = SEC_CONSTRUCTOR; | |
889 | ++section->reloc_count; | |
890 | ||
891 | /* Constructor sections must be rounded to a boundary | |
892 | based on the bitsize. These are not real sections-- | |
893 | they are handled specially by the linker--so the ECOFF | |
894 | 16 byte alignment restriction does not apply. */ | |
8f46bac8 | 895 | bitsize = ecoff_backend (abfd)->constructor_bitsize; |
dae31cf5 ILT |
896 | section->alignment_power = 1; |
897 | while ((1 << section->alignment_power) < bitsize / 8) | |
898 | ++section->alignment_power; | |
899 | ||
900 | reloc_chain->next = section->constructor_chain; | |
901 | section->constructor_chain = reloc_chain; | |
902 | section->_raw_size += bitsize / 8; | |
903 | ||
904 | /* Mark the symbol as a constructor. */ | |
905 | asym->flags |= BSF_CONSTRUCTOR; | |
906 | } | |
907 | break; | |
908 | } | |
909 | } | |
9783e04a | 910 | return true; |
dae31cf5 ILT |
911 | } |
912 | ||
913 | /* Read an ECOFF symbol table. */ | |
914 | ||
915 | boolean | |
75f3ef7a | 916 | _bfd_ecoff_slurp_symbol_table (abfd) |
dae31cf5 ILT |
917 | bfd *abfd; |
918 | { | |
919 | const struct ecoff_backend_data * const backend = ecoff_backend (abfd); | |
c9668c58 ILT |
920 | const bfd_size_type external_ext_size |
921 | = backend->debug_swap.external_ext_size; | |
922 | const bfd_size_type external_sym_size | |
923 | = backend->debug_swap.external_sym_size; | |
dae31cf5 | 924 | void (* const swap_ext_in) PARAMS ((bfd *, PTR, EXTR *)) |
c9668c58 | 925 | = backend->debug_swap.swap_ext_in; |
dae31cf5 | 926 | void (* const swap_sym_in) PARAMS ((bfd *, PTR, SYMR *)) |
c9668c58 | 927 | = backend->debug_swap.swap_sym_in; |
dae31cf5 ILT |
928 | bfd_size_type internal_size; |
929 | ecoff_symbol_type *internal; | |
930 | ecoff_symbol_type *internal_ptr; | |
dae31cf5 ILT |
931 | char *eraw_src; |
932 | char *eraw_end; | |
933 | FDR *fdr_ptr; | |
934 | FDR *fdr_end; | |
935 | ||
936 | /* If we've already read in the symbol table, do nothing. */ | |
937 | if (ecoff_data (abfd)->canonical_symbols != NULL) | |
938 | return true; | |
939 | ||
940 | /* Get the symbolic information. */ | |
75f3ef7a ILT |
941 | if (! _bfd_ecoff_slurp_symbolic_info (abfd, (asection *) NULL, |
942 | &ecoff_data (abfd)->debug_info)) | |
dae31cf5 ILT |
943 | return false; |
944 | if (bfd_get_symcount (abfd) == 0) | |
945 | return true; | |
946 | ||
947 | internal_size = bfd_get_symcount (abfd) * sizeof (ecoff_symbol_type); | |
948 | internal = (ecoff_symbol_type *) bfd_alloc (abfd, internal_size); | |
949 | if (internal == NULL) | |
a9713b91 | 950 | return false; |
dae31cf5 ILT |
951 | |
952 | internal_ptr = internal; | |
c9668c58 | 953 | eraw_src = (char *) ecoff_data (abfd)->debug_info.external_ext; |
dae31cf5 | 954 | eraw_end = (eraw_src |
c9668c58 | 955 | + (ecoff_data (abfd)->debug_info.symbolic_header.iextMax |
dae31cf5 ILT |
956 | * external_ext_size)); |
957 | for (; eraw_src < eraw_end; eraw_src += external_ext_size, internal_ptr++) | |
958 | { | |
959 | EXTR internal_esym; | |
960 | ||
961 | (*swap_ext_in) (abfd, (PTR) eraw_src, &internal_esym); | |
c9668c58 | 962 | internal_ptr->symbol.name = (ecoff_data (abfd)->debug_info.ssext |
dae31cf5 | 963 | + internal_esym.asym.iss); |
9783e04a | 964 | if (!ecoff_set_symbol_info (abfd, &internal_esym.asym, |
0652d579 ILT |
965 | &internal_ptr->symbol, 1, |
966 | internal_esym.weakext)) | |
9783e04a | 967 | return false; |
48edba81 ILT |
968 | /* The alpha uses a negative ifd field for section symbols. */ |
969 | if (internal_esym.ifd >= 0) | |
c9668c58 ILT |
970 | internal_ptr->fdr = (ecoff_data (abfd)->debug_info.fdr |
971 | + internal_esym.ifd); | |
48edba81 ILT |
972 | else |
973 | internal_ptr->fdr = NULL; | |
dae31cf5 ILT |
974 | internal_ptr->local = false; |
975 | internal_ptr->native = (PTR) eraw_src; | |
976 | } | |
dae31cf5 ILT |
977 | |
978 | /* The local symbols must be accessed via the fdr's, because the | |
979 | string and aux indices are relative to the fdr information. */ | |
c9668c58 ILT |
980 | fdr_ptr = ecoff_data (abfd)->debug_info.fdr; |
981 | fdr_end = fdr_ptr + ecoff_data (abfd)->debug_info.symbolic_header.ifdMax; | |
dae31cf5 ILT |
982 | for (; fdr_ptr < fdr_end; fdr_ptr++) |
983 | { | |
984 | char *lraw_src; | |
985 | char *lraw_end; | |
986 | ||
c9668c58 | 987 | lraw_src = ((char *) ecoff_data (abfd)->debug_info.external_sym |
dae31cf5 ILT |
988 | + fdr_ptr->isymBase * external_sym_size); |
989 | lraw_end = lraw_src + fdr_ptr->csym * external_sym_size; | |
990 | for (; | |
991 | lraw_src < lraw_end; | |
992 | lraw_src += external_sym_size, internal_ptr++) | |
993 | { | |
994 | SYMR internal_sym; | |
995 | ||
996 | (*swap_sym_in) (abfd, (PTR) lraw_src, &internal_sym); | |
c9668c58 | 997 | internal_ptr->symbol.name = (ecoff_data (abfd)->debug_info.ss |
dae31cf5 ILT |
998 | + fdr_ptr->issBase |
999 | + internal_sym.iss); | |
9783e04a | 1000 | if (!ecoff_set_symbol_info (abfd, &internal_sym, |
0652d579 | 1001 | &internal_ptr->symbol, 0, 0)) |
9783e04a | 1002 | return false; |
dae31cf5 ILT |
1003 | internal_ptr->fdr = fdr_ptr; |
1004 | internal_ptr->local = true; | |
1005 | internal_ptr->native = (PTR) lraw_src; | |
1006 | } | |
1007 | } | |
dae31cf5 ILT |
1008 | |
1009 | ecoff_data (abfd)->canonical_symbols = internal; | |
1010 | ||
1011 | return true; | |
1012 | } | |
1013 | ||
1014 | /* Return the amount of space needed for the canonical symbols. */ | |
1015 | ||
326e32d7 | 1016 | long |
75f3ef7a | 1017 | _bfd_ecoff_get_symtab_upper_bound (abfd) |
dae31cf5 ILT |
1018 | bfd *abfd; |
1019 | { | |
75f3ef7a ILT |
1020 | if (! _bfd_ecoff_slurp_symbolic_info (abfd, (asection *) NULL, |
1021 | &ecoff_data (abfd)->debug_info)) | |
326e32d7 ILT |
1022 | return -1; |
1023 | ||
1024 | if (bfd_get_symcount (abfd) == 0) | |
dae31cf5 ILT |
1025 | return 0; |
1026 | ||
1027 | return (bfd_get_symcount (abfd) + 1) * (sizeof (ecoff_symbol_type *)); | |
1028 | } | |
1029 | ||
b59f0276 | 1030 | /* Get the canonical symbols. */ |
dae31cf5 | 1031 | |
326e32d7 | 1032 | long |
75f3ef7a | 1033 | _bfd_ecoff_get_symtab (abfd, alocation) |
dae31cf5 ILT |
1034 | bfd *abfd; |
1035 | asymbol **alocation; | |
1036 | { | |
1037 | unsigned int counter = 0; | |
1038 | ecoff_symbol_type *symbase; | |
1039 | ecoff_symbol_type **location = (ecoff_symbol_type **) alocation; | |
1040 | ||
75f3ef7a | 1041 | if (_bfd_ecoff_slurp_symbol_table (abfd) == false) |
326e32d7 ILT |
1042 | return -1; |
1043 | if (bfd_get_symcount (abfd) == 0) | |
dae31cf5 ILT |
1044 | return 0; |
1045 | ||
1046 | symbase = ecoff_data (abfd)->canonical_symbols; | |
1047 | while (counter < bfd_get_symcount (abfd)) | |
1048 | { | |
1049 | *(location++) = symbase++; | |
1050 | counter++; | |
1051 | } | |
1052 | *location++ = (ecoff_symbol_type *) NULL; | |
1053 | return bfd_get_symcount (abfd); | |
1054 | } | |
1055 | ||
1056 | /* Turn ECOFF type information into a printable string. | |
1057 | ecoff_emit_aggregate and ecoff_type_to_string are from | |
1058 | gcc/mips-tdump.c, with swapping added and used_ptr removed. */ | |
1059 | ||
1060 | /* Write aggregate information to a string. */ | |
1061 | ||
1062 | static void | |
2ec2e6a9 | 1063 | ecoff_emit_aggregate (abfd, fdr, string, rndx, isym, which) |
dae31cf5 | 1064 | bfd *abfd; |
2ec2e6a9 | 1065 | FDR *fdr; |
dae31cf5 ILT |
1066 | char *string; |
1067 | RNDXR *rndx; | |
1068 | long isym; | |
2ec2e6a9 | 1069 | const char *which; |
dae31cf5 | 1070 | { |
2ec2e6a9 ILT |
1071 | const struct ecoff_debug_swap * const debug_swap = |
1072 | &ecoff_backend (abfd)->debug_swap; | |
1073 | struct ecoff_debug_info * const debug_info = &ecoff_data (abfd)->debug_info; | |
1074 | unsigned int ifd = rndx->rfd; | |
1075 | unsigned int indx = rndx->index; | |
1076 | const char *name; | |
dae31cf5 ILT |
1077 | |
1078 | if (ifd == 0xfff) | |
1079 | ifd = isym; | |
1080 | ||
2ec2e6a9 ILT |
1081 | /* An ifd of -1 is an opaque type. An escaped index of 0 is a |
1082 | struct return type of a procedure compiled without -g. */ | |
1083 | if (ifd == 0xffffffff | |
1084 | || (rndx->rfd == 0xfff && indx == 0)) | |
1085 | name = "<undefined>"; | |
1086 | else if (indx == indexNil) | |
1087 | name = "<no name>"; | |
dae31cf5 ILT |
1088 | else |
1089 | { | |
dae31cf5 ILT |
1090 | SYMR sym; |
1091 | ||
2ec2e6a9 ILT |
1092 | if (debug_info->external_rfd == NULL) |
1093 | fdr = debug_info->fdr + ifd; | |
1094 | else | |
1095 | { | |
1096 | RFDT rfd; | |
1097 | ||
1098 | (*debug_swap->swap_rfd_in) (abfd, | |
1099 | ((char *) debug_info->external_rfd | |
1100 | + ((fdr->rfdBase + ifd) | |
1101 | * debug_swap->external_rfd_size)), | |
1102 | &rfd); | |
1103 | fdr = debug_info->fdr + rfd; | |
1104 | } | |
1105 | ||
1106 | indx += fdr->isymBase; | |
1107 | ||
1108 | (*debug_swap->swap_sym_in) (abfd, | |
1109 | ((char *) debug_info->external_sym | |
1110 | + indx * debug_swap->external_sym_size), | |
1111 | &sym); | |
1112 | ||
1113 | name = debug_info->ss + fdr->issBase + sym.iss; | |
dae31cf5 ILT |
1114 | } |
1115 | ||
1116 | sprintf (string, | |
2ec2e6a9 | 1117 | "%s %s { ifd = %u, index = %lu }", |
dae31cf5 | 1118 | which, name, ifd, |
c9668c58 | 1119 | ((long) indx |
2ec2e6a9 | 1120 | + debug_info->symbolic_header.iextMax)); |
dae31cf5 ILT |
1121 | } |
1122 | ||
1123 | /* Convert the type information to string format. */ | |
1124 | ||
1125 | static char * | |
2ec2e6a9 | 1126 | ecoff_type_to_string (abfd, fdr, indx) |
dae31cf5 | 1127 | bfd *abfd; |
2ec2e6a9 | 1128 | FDR *fdr; |
dae31cf5 | 1129 | unsigned int indx; |
dae31cf5 | 1130 | { |
2ec2e6a9 ILT |
1131 | union aux_ext *aux_ptr; |
1132 | int bigendian; | |
dae31cf5 ILT |
1133 | AUXU u; |
1134 | struct qual { | |
1135 | unsigned int type; | |
1136 | int low_bound; | |
1137 | int high_bound; | |
1138 | int stride; | |
1139 | } qualifiers[7]; | |
dae31cf5 ILT |
1140 | unsigned int basic_type; |
1141 | int i; | |
6c97aedf | 1142 | char buffer1[1024]; |
dae31cf5 ILT |
1143 | static char buffer2[1024]; |
1144 | char *p1 = buffer1; | |
1145 | char *p2 = buffer2; | |
1146 | RNDXR rndx; | |
1147 | ||
2ec2e6a9 ILT |
1148 | aux_ptr = ecoff_data (abfd)->debug_info.external_aux + fdr->iauxBase; |
1149 | bigendian = fdr->fBigendian; | |
1150 | ||
dae31cf5 ILT |
1151 | for (i = 0; i < 7; i++) |
1152 | { | |
1153 | qualifiers[i].low_bound = 0; | |
1154 | qualifiers[i].high_bound = 0; | |
1155 | qualifiers[i].stride = 0; | |
1156 | } | |
1157 | ||
ae115e51 | 1158 | if (AUX_GET_ISYM (bigendian, &aux_ptr[indx]) == (bfd_vma) -1) |
dae31cf5 | 1159 | return "-1 (no type)"; |
75f3ef7a | 1160 | _bfd_ecoff_swap_tir_in (bigendian, &aux_ptr[indx++].a_ti, &u.ti); |
dae31cf5 ILT |
1161 | |
1162 | basic_type = u.ti.bt; | |
1163 | qualifiers[0].type = u.ti.tq0; | |
1164 | qualifiers[1].type = u.ti.tq1; | |
1165 | qualifiers[2].type = u.ti.tq2; | |
1166 | qualifiers[3].type = u.ti.tq3; | |
1167 | qualifiers[4].type = u.ti.tq4; | |
1168 | qualifiers[5].type = u.ti.tq5; | |
1169 | qualifiers[6].type = tqNil; | |
1170 | ||
1171 | /* | |
1172 | * Go get the basic type. | |
1173 | */ | |
1174 | switch (basic_type) | |
1175 | { | |
1176 | case btNil: /* undefined */ | |
1177 | strcpy (p1, "nil"); | |
1178 | break; | |
1179 | ||
1180 | case btAdr: /* address - integer same size as pointer */ | |
1181 | strcpy (p1, "address"); | |
1182 | break; | |
1183 | ||
1184 | case btChar: /* character */ | |
1185 | strcpy (p1, "char"); | |
1186 | break; | |
1187 | ||
1188 | case btUChar: /* unsigned character */ | |
1189 | strcpy (p1, "unsigned char"); | |
1190 | break; | |
1191 | ||
1192 | case btShort: /* short */ | |
1193 | strcpy (p1, "short"); | |
1194 | break; | |
1195 | ||
1196 | case btUShort: /* unsigned short */ | |
1197 | strcpy (p1, "unsigned short"); | |
1198 | break; | |
1199 | ||
1200 | case btInt: /* int */ | |
1201 | strcpy (p1, "int"); | |
1202 | break; | |
1203 | ||
1204 | case btUInt: /* unsigned int */ | |
1205 | strcpy (p1, "unsigned int"); | |
1206 | break; | |
1207 | ||
1208 | case btLong: /* long */ | |
1209 | strcpy (p1, "long"); | |
1210 | break; | |
1211 | ||
1212 | case btULong: /* unsigned long */ | |
1213 | strcpy (p1, "unsigned long"); | |
1214 | break; | |
1215 | ||
1216 | case btFloat: /* float (real) */ | |
1217 | strcpy (p1, "float"); | |
1218 | break; | |
1219 | ||
1220 | case btDouble: /* Double (real) */ | |
1221 | strcpy (p1, "double"); | |
1222 | break; | |
1223 | ||
1224 | /* Structures add 1-2 aux words: | |
1225 | 1st word is [ST_RFDESCAPE, offset] pointer to struct def; | |
1226 | 2nd word is file index if 1st word rfd is ST_RFDESCAPE. */ | |
1227 | ||
1228 | case btStruct: /* Structure (Record) */ | |
75f3ef7a | 1229 | _bfd_ecoff_swap_rndx_in (bigendian, &aux_ptr[indx].a_rndx, &rndx); |
2ec2e6a9 | 1230 | ecoff_emit_aggregate (abfd, fdr, p1, &rndx, |
4c3721d5 | 1231 | (long) AUX_GET_ISYM (bigendian, &aux_ptr[indx+1]), |
dae31cf5 ILT |
1232 | "struct"); |
1233 | indx++; /* skip aux words */ | |
1234 | break; | |
1235 | ||
1236 | /* Unions add 1-2 aux words: | |
1237 | 1st word is [ST_RFDESCAPE, offset] pointer to union def; | |
1238 | 2nd word is file index if 1st word rfd is ST_RFDESCAPE. */ | |
1239 | ||
1240 | case btUnion: /* Union */ | |
75f3ef7a | 1241 | _bfd_ecoff_swap_rndx_in (bigendian, &aux_ptr[indx].a_rndx, &rndx); |
2ec2e6a9 | 1242 | ecoff_emit_aggregate (abfd, fdr, p1, &rndx, |
4c3721d5 | 1243 | (long) AUX_GET_ISYM (bigendian, &aux_ptr[indx+1]), |
dae31cf5 ILT |
1244 | "union"); |
1245 | indx++; /* skip aux words */ | |
1246 | break; | |
1247 | ||
1248 | /* Enumerations add 1-2 aux words: | |
1249 | 1st word is [ST_RFDESCAPE, offset] pointer to enum def; | |
1250 | 2nd word is file index if 1st word rfd is ST_RFDESCAPE. */ | |
1251 | ||
1252 | case btEnum: /* Enumeration */ | |
75f3ef7a | 1253 | _bfd_ecoff_swap_rndx_in (bigendian, &aux_ptr[indx].a_rndx, &rndx); |
2ec2e6a9 | 1254 | ecoff_emit_aggregate (abfd, fdr, p1, &rndx, |
4c3721d5 | 1255 | (long) AUX_GET_ISYM (bigendian, &aux_ptr[indx+1]), |
dae31cf5 ILT |
1256 | "enum"); |
1257 | indx++; /* skip aux words */ | |
1258 | break; | |
1259 | ||
1260 | case btTypedef: /* defined via a typedef, isymRef points */ | |
1261 | strcpy (p1, "typedef"); | |
1262 | break; | |
1263 | ||
1264 | case btRange: /* subrange of int */ | |
1265 | strcpy (p1, "subrange"); | |
1266 | break; | |
1267 | ||
1268 | case btSet: /* pascal sets */ | |
1269 | strcpy (p1, "set"); | |
1270 | break; | |
1271 | ||
1272 | case btComplex: /* fortran complex */ | |
1273 | strcpy (p1, "complex"); | |
1274 | break; | |
1275 | ||
1276 | case btDComplex: /* fortran double complex */ | |
1277 | strcpy (p1, "double complex"); | |
1278 | break; | |
1279 | ||
1280 | case btIndirect: /* forward or unnamed typedef */ | |
1281 | strcpy (p1, "forward/unamed typedef"); | |
1282 | break; | |
1283 | ||
1284 | case btFixedDec: /* Fixed Decimal */ | |
1285 | strcpy (p1, "fixed decimal"); | |
1286 | break; | |
1287 | ||
1288 | case btFloatDec: /* Float Decimal */ | |
1289 | strcpy (p1, "float decimal"); | |
1290 | break; | |
1291 | ||
1292 | case btString: /* Varying Length Character String */ | |
1293 | strcpy (p1, "string"); | |
1294 | break; | |
1295 | ||
1296 | case btBit: /* Aligned Bit String */ | |
1297 | strcpy (p1, "bit"); | |
1298 | break; | |
1299 | ||
1300 | case btPicture: /* Picture */ | |
1301 | strcpy (p1, "picture"); | |
1302 | break; | |
1303 | ||
1304 | case btVoid: /* Void */ | |
1305 | strcpy (p1, "void"); | |
1306 | break; | |
1307 | ||
1308 | default: | |
1309 | sprintf (p1, "Unknown basic type %d", (int) basic_type); | |
1310 | break; | |
1311 | } | |
1312 | ||
1313 | p1 += strlen (buffer1); | |
1314 | ||
1315 | /* | |
1316 | * If this is a bitfield, get the bitsize. | |
1317 | */ | |
1318 | if (u.ti.fBitfield) | |
1319 | { | |
1320 | int bitsize; | |
1321 | ||
1322 | bitsize = AUX_GET_WIDTH (bigendian, &aux_ptr[indx++]); | |
1323 | sprintf (p1, " : %d", bitsize); | |
1324 | p1 += strlen (buffer1); | |
1325 | } | |
1326 | ||
1327 | ||
1328 | /* | |
1329 | * Deal with any qualifiers. | |
1330 | */ | |
1331 | if (qualifiers[0].type != tqNil) | |
1332 | { | |
1333 | /* | |
1334 | * Snarf up any array bounds in the correct order. Arrays | |
1335 | * store 5 successive words in the aux. table: | |
1336 | * word 0 RNDXR to type of the bounds (ie, int) | |
1337 | * word 1 Current file descriptor index | |
1338 | * word 2 low bound | |
1339 | * word 3 high bound (or -1 if []) | |
1340 | * word 4 stride size in bits | |
1341 | */ | |
1342 | for (i = 0; i < 7; i++) | |
1343 | { | |
1344 | if (qualifiers[i].type == tqArray) | |
1345 | { | |
1346 | qualifiers[i].low_bound = | |
1347 | AUX_GET_DNLOW (bigendian, &aux_ptr[indx+2]); | |
1348 | qualifiers[i].high_bound = | |
1349 | AUX_GET_DNHIGH (bigendian, &aux_ptr[indx+3]); | |
1350 | qualifiers[i].stride = | |
1351 | AUX_GET_WIDTH (bigendian, &aux_ptr[indx+4]); | |
1352 | indx += 5; | |
1353 | } | |
1354 | } | |
1355 | ||
1356 | /* | |
1357 | * Now print out the qualifiers. | |
1358 | */ | |
1359 | for (i = 0; i < 6; i++) | |
1360 | { | |
1361 | switch (qualifiers[i].type) | |
1362 | { | |
1363 | case tqNil: | |
1364 | case tqMax: | |
1365 | break; | |
1366 | ||
1367 | case tqPtr: | |
1368 | strcpy (p2, "ptr to "); | |
1369 | p2 += sizeof ("ptr to ")-1; | |
1370 | break; | |
1371 | ||
1372 | case tqVol: | |
1373 | strcpy (p2, "volatile "); | |
1374 | p2 += sizeof ("volatile ")-1; | |
1375 | break; | |
1376 | ||
1377 | case tqFar: | |
1378 | strcpy (p2, "far "); | |
1379 | p2 += sizeof ("far ")-1; | |
1380 | break; | |
1381 | ||
1382 | case tqProc: | |
1383 | strcpy (p2, "func. ret. "); | |
1384 | p2 += sizeof ("func. ret. "); | |
1385 | break; | |
1386 | ||
1387 | case tqArray: | |
1388 | { | |
1389 | int first_array = i; | |
1390 | int j; | |
1391 | ||
1392 | /* Print array bounds reversed (ie, in the order the C | |
1393 | programmer writes them). C is such a fun language.... */ | |
1394 | ||
1395 | while (i < 5 && qualifiers[i+1].type == tqArray) | |
1396 | i++; | |
1397 | ||
1398 | for (j = i; j >= first_array; j--) | |
1399 | { | |
1400 | strcpy (p2, "array ["); | |
1401 | p2 += sizeof ("array [")-1; | |
1402 | if (qualifiers[j].low_bound != 0) | |
1403 | sprintf (p2, | |
1404 | "%ld:%ld {%ld bits}", | |
1405 | (long) qualifiers[j].low_bound, | |
1406 | (long) qualifiers[j].high_bound, | |
1407 | (long) qualifiers[j].stride); | |
1408 | ||
1409 | else if (qualifiers[j].high_bound != -1) | |
1410 | sprintf (p2, | |
1411 | "%ld {%ld bits}", | |
1412 | (long) (qualifiers[j].high_bound + 1), | |
1413 | (long) (qualifiers[j].stride)); | |
1414 | ||
1415 | else | |
1416 | sprintf (p2, " {%ld bits}", (long) (qualifiers[j].stride)); | |
1417 | ||
1418 | p2 += strlen (p2); | |
1419 | strcpy (p2, "] of "); | |
1420 | p2 += sizeof ("] of ")-1; | |
1421 | } | |
1422 | } | |
1423 | break; | |
1424 | } | |
1425 | } | |
1426 | } | |
1427 | ||
1428 | strcpy (p2, buffer1); | |
1429 | return buffer2; | |
1430 | } | |
1431 | ||
1432 | /* Return information about ECOFF symbol SYMBOL in RET. */ | |
1433 | ||
728472f1 | 1434 | /*ARGSUSED*/ |
dae31cf5 | 1435 | void |
75f3ef7a | 1436 | _bfd_ecoff_get_symbol_info (abfd, symbol, ret) |
dae31cf5 ILT |
1437 | bfd *abfd; /* Ignored. */ |
1438 | asymbol *symbol; | |
1439 | symbol_info *ret; | |
1440 | { | |
1441 | bfd_symbol_info (symbol, ret); | |
1442 | } | |
1443 | ||
a2546fce ILT |
1444 | /* Return whether this is a local label. */ |
1445 | ||
1446 | /*ARGSUSED*/ | |
1447 | boolean | |
1448 | _bfd_ecoff_bfd_is_local_label (abfd, symbol) | |
1449 | bfd *abfd; | |
1450 | asymbol *symbol; | |
1451 | { | |
1452 | return symbol->name[0] == '$'; | |
1453 | } | |
1454 | ||
dae31cf5 ILT |
1455 | /* Print information about an ECOFF symbol. */ |
1456 | ||
1457 | void | |
75f3ef7a | 1458 | _bfd_ecoff_print_symbol (abfd, filep, symbol, how) |
dae31cf5 ILT |
1459 | bfd *abfd; |
1460 | PTR filep; | |
1461 | asymbol *symbol; | |
1462 | bfd_print_symbol_type how; | |
1463 | { | |
c9668c58 ILT |
1464 | const struct ecoff_debug_swap * const debug_swap |
1465 | = &ecoff_backend (abfd)->debug_swap; | |
dae31cf5 ILT |
1466 | FILE *file = (FILE *)filep; |
1467 | ||
1468 | switch (how) | |
1469 | { | |
1470 | case bfd_print_symbol_name: | |
1471 | fprintf (file, "%s", symbol->name); | |
1472 | break; | |
1473 | case bfd_print_symbol_more: | |
1474 | if (ecoffsymbol (symbol)->local) | |
1475 | { | |
1476 | SYMR ecoff_sym; | |
1477 | ||
c9668c58 ILT |
1478 | (*debug_swap->swap_sym_in) (abfd, ecoffsymbol (symbol)->native, |
1479 | &ecoff_sym); | |
dae31cf5 ILT |
1480 | fprintf (file, "ecoff local "); |
1481 | fprintf_vma (file, (bfd_vma) ecoff_sym.value); | |
1482 | fprintf (file, " %x %x", (unsigned) ecoff_sym.st, | |
1483 | (unsigned) ecoff_sym.sc); | |
1484 | } | |
1485 | else | |
1486 | { | |
1487 | EXTR ecoff_ext; | |
1488 | ||
c9668c58 ILT |
1489 | (*debug_swap->swap_ext_in) (abfd, ecoffsymbol (symbol)->native, |
1490 | &ecoff_ext); | |
dae31cf5 ILT |
1491 | fprintf (file, "ecoff extern "); |
1492 | fprintf_vma (file, (bfd_vma) ecoff_ext.asym.value); | |
1493 | fprintf (file, " %x %x", (unsigned) ecoff_ext.asym.st, | |
1494 | (unsigned) ecoff_ext.asym.sc); | |
1495 | } | |
1496 | break; | |
1497 | case bfd_print_symbol_all: | |
1498 | /* Print out the symbols in a reasonable way */ | |
1499 | { | |
1500 | char type; | |
1501 | int pos; | |
1502 | EXTR ecoff_ext; | |
1503 | char jmptbl; | |
1504 | char cobol_main; | |
1505 | char weakext; | |
1506 | ||
1507 | if (ecoffsymbol (symbol)->local) | |
1508 | { | |
c9668c58 ILT |
1509 | (*debug_swap->swap_sym_in) (abfd, ecoffsymbol (symbol)->native, |
1510 | &ecoff_ext.asym); | |
dae31cf5 ILT |
1511 | type = 'l'; |
1512 | pos = ((((char *) ecoffsymbol (symbol)->native | |
c9668c58 ILT |
1513 | - (char *) ecoff_data (abfd)->debug_info.external_sym) |
1514 | / debug_swap->external_sym_size) | |
1515 | + ecoff_data (abfd)->debug_info.symbolic_header.iextMax); | |
dae31cf5 ILT |
1516 | jmptbl = ' '; |
1517 | cobol_main = ' '; | |
1518 | weakext = ' '; | |
1519 | } | |
1520 | else | |
1521 | { | |
c9668c58 ILT |
1522 | (*debug_swap->swap_ext_in) (abfd, ecoffsymbol (symbol)->native, |
1523 | &ecoff_ext); | |
dae31cf5 ILT |
1524 | type = 'e'; |
1525 | pos = (((char *) ecoffsymbol (symbol)->native | |
c9668c58 ILT |
1526 | - (char *) ecoff_data (abfd)->debug_info.external_ext) |
1527 | / debug_swap->external_ext_size); | |
dae31cf5 ILT |
1528 | jmptbl = ecoff_ext.jmptbl ? 'j' : ' '; |
1529 | cobol_main = ecoff_ext.cobol_main ? 'c' : ' '; | |
1530 | weakext = ecoff_ext.weakext ? 'w' : ' '; | |
1531 | } | |
1532 | ||
1533 | fprintf (file, "[%3d] %c ", | |
1534 | pos, type); | |
1535 | fprintf_vma (file, (bfd_vma) ecoff_ext.asym.value); | |
1536 | fprintf (file, " st %x sc %x indx %x %c%c%c %s", | |
1537 | (unsigned) ecoff_ext.asym.st, | |
1538 | (unsigned) ecoff_ext.asym.sc, | |
1539 | (unsigned) ecoff_ext.asym.index, | |
1540 | jmptbl, cobol_main, weakext, | |
1541 | symbol->name); | |
1542 | ||
1543 | if (ecoffsymbol (symbol)->fdr != NULL | |
1544 | && ecoff_ext.asym.index != indexNil) | |
1545 | { | |
2ec2e6a9 | 1546 | FDR *fdr; |
dae31cf5 ILT |
1547 | unsigned int indx; |
1548 | int bigendian; | |
1549 | bfd_size_type sym_base; | |
1550 | union aux_ext *aux_base; | |
1551 | ||
2ec2e6a9 | 1552 | fdr = ecoffsymbol (symbol)->fdr; |
dae31cf5 ILT |
1553 | indx = ecoff_ext.asym.index; |
1554 | ||
1555 | /* sym_base is used to map the fdr relative indices which | |
1556 | appear in the file to the position number which we are | |
1557 | using. */ | |
2ec2e6a9 | 1558 | sym_base = fdr->isymBase; |
dae31cf5 | 1559 | if (ecoffsymbol (symbol)->local) |
c9668c58 ILT |
1560 | sym_base += |
1561 | ecoff_data (abfd)->debug_info.symbolic_header.iextMax; | |
dae31cf5 ILT |
1562 | |
1563 | /* aux_base is the start of the aux entries for this file; | |
1564 | asym.index is an offset from this. */ | |
c9668c58 | 1565 | aux_base = (ecoff_data (abfd)->debug_info.external_aux |
2ec2e6a9 | 1566 | + fdr->iauxBase); |
dae31cf5 ILT |
1567 | |
1568 | /* The aux entries are stored in host byte order; the | |
1569 | order is indicated by a bit in the fdr. */ | |
2ec2e6a9 | 1570 | bigendian = fdr->fBigendian; |
dae31cf5 ILT |
1571 | |
1572 | /* This switch is basically from gcc/mips-tdump.c */ | |
1573 | switch (ecoff_ext.asym.st) | |
1574 | { | |
1575 | case stNil: | |
1576 | case stLabel: | |
1577 | break; | |
1578 | ||
1579 | case stFile: | |
1580 | case stBlock: | |
1581 | fprintf (file, "\n End+1 symbol: %ld", | |
1582 | (long) (indx + sym_base)); | |
1583 | break; | |
1584 | ||
1585 | case stEnd: | |
1586 | if (ecoff_ext.asym.sc == scText | |
1587 | || ecoff_ext.asym.sc == scInfo) | |
1588 | fprintf (file, "\n First symbol: %ld", | |
1589 | (long) (indx + sym_base)); | |
1590 | else | |
1591 | fprintf (file, "\n First symbol: %ld", | |
2ec2e6a9 ILT |
1592 | ((long) |
1593 | (AUX_GET_ISYM (bigendian, | |
1594 | &aux_base[ecoff_ext.asym.index]) | |
1595 | + sym_base))); | |
dae31cf5 ILT |
1596 | break; |
1597 | ||
1598 | case stProc: | |
1599 | case stStaticProc: | |
1600 | if (ECOFF_IS_STAB (&ecoff_ext.asym)) | |
1601 | ; | |
1602 | else if (ecoffsymbol (symbol)->local) | |
1603 | fprintf (file, "\n End+1 symbol: %-7ld Type: %s", | |
2ec2e6a9 ILT |
1604 | ((long) |
1605 | (AUX_GET_ISYM (bigendian, | |
1606 | &aux_base[ecoff_ext.asym.index]) | |
1607 | + sym_base)), | |
1608 | ecoff_type_to_string (abfd, fdr, indx + 1)); | |
dae31cf5 | 1609 | else |
c9668c58 ILT |
1610 | fprintf (file, "\n Local symbol: %ld", |
1611 | ((long) indx | |
1612 | + (long) sym_base | |
1613 | + (ecoff_data (abfd) | |
1614 | ->debug_info.symbolic_header.iextMax))); | |
dae31cf5 ILT |
1615 | break; |
1616 | ||
2ec2e6a9 ILT |
1617 | case stStruct: |
1618 | fprintf (file, "\n struct; End+1 symbol: %ld", | |
1619 | (long) (indx + sym_base)); | |
1620 | break; | |
1621 | ||
1622 | case stUnion: | |
1623 | fprintf (file, "\n union; End+1 symbol: %ld", | |
1624 | (long) (indx + sym_base)); | |
1625 | break; | |
1626 | ||
1627 | case stEnum: | |
1628 | fprintf (file, "\n enum; End+1 symbol: %ld", | |
1629 | (long) (indx + sym_base)); | |
1630 | break; | |
1631 | ||
dae31cf5 ILT |
1632 | default: |
1633 | if (! ECOFF_IS_STAB (&ecoff_ext.asym)) | |
1634 | fprintf (file, "\n Type: %s", | |
2ec2e6a9 | 1635 | ecoff_type_to_string (abfd, fdr, indx)); |
dae31cf5 ILT |
1636 | break; |
1637 | } | |
1638 | } | |
1639 | } | |
1640 | break; | |
1641 | } | |
1642 | } | |
1643 | \f | |
dae31cf5 ILT |
1644 | /* Read in the relocs for a section. */ |
1645 | ||
1646 | static boolean | |
1647 | ecoff_slurp_reloc_table (abfd, section, symbols) | |
1648 | bfd *abfd; | |
1649 | asection *section; | |
1650 | asymbol **symbols; | |
1651 | { | |
1652 | const struct ecoff_backend_data * const backend = ecoff_backend (abfd); | |
1653 | arelent *internal_relocs; | |
1654 | bfd_size_type external_reloc_size; | |
1655 | bfd_size_type external_relocs_size; | |
1656 | char *external_relocs; | |
1657 | arelent *rptr; | |
1658 | unsigned int i; | |
1659 | ||
1660 | if (section->relocation != (arelent *) NULL | |
1661 | || section->reloc_count == 0 | |
1662 | || (section->flags & SEC_CONSTRUCTOR) != 0) | |
1663 | return true; | |
1664 | ||
75f3ef7a | 1665 | if (_bfd_ecoff_slurp_symbol_table (abfd) == false) |
dae31cf5 ILT |
1666 | return false; |
1667 | ||
1668 | internal_relocs = (arelent *) bfd_alloc (abfd, | |
1669 | (sizeof (arelent) | |
1670 | * section->reloc_count)); | |
1671 | external_reloc_size = backend->external_reloc_size; | |
1672 | external_relocs_size = external_reloc_size * section->reloc_count; | |
1673 | external_relocs = (char *) bfd_alloc (abfd, external_relocs_size); | |
1674 | if (internal_relocs == (arelent *) NULL | |
1675 | || external_relocs == (char *) NULL) | |
a9713b91 | 1676 | return false; |
dae31cf5 ILT |
1677 | if (bfd_seek (abfd, section->rel_filepos, SEEK_SET) != 0) |
1678 | return false; | |
1679 | if (bfd_read (external_relocs, 1, external_relocs_size, abfd) | |
1680 | != external_relocs_size) | |
25057836 | 1681 | return false; |
dae31cf5 ILT |
1682 | |
1683 | for (i = 0, rptr = internal_relocs; i < section->reloc_count; i++, rptr++) | |
1684 | { | |
1685 | struct internal_reloc intern; | |
1686 | ||
1687 | (*backend->swap_reloc_in) (abfd, | |
1688 | external_relocs + i * external_reloc_size, | |
1689 | &intern); | |
1690 | ||
dae31cf5 ILT |
1691 | if (intern.r_extern) |
1692 | { | |
1693 | /* r_symndx is an index into the external symbols. */ | |
1694 | BFD_ASSERT (intern.r_symndx >= 0 | |
1695 | && (intern.r_symndx | |
c9668c58 ILT |
1696 | < (ecoff_data (abfd) |
1697 | ->debug_info.symbolic_header.iextMax))); | |
dae31cf5 ILT |
1698 | rptr->sym_ptr_ptr = symbols + intern.r_symndx; |
1699 | rptr->addend = 0; | |
1700 | } | |
e544ed4f ILT |
1701 | else if (intern.r_symndx == RELOC_SECTION_NONE |
1702 | || intern.r_symndx == RELOC_SECTION_ABS) | |
1703 | { | |
7b18561f | 1704 | rptr->sym_ptr_ptr = bfd_abs_section_ptr->symbol_ptr_ptr; |
e544ed4f ILT |
1705 | rptr->addend = 0; |
1706 | } | |
dae31cf5 ILT |
1707 | else |
1708 | { | |
1709 | CONST char *sec_name; | |
1710 | asection *sec; | |
1711 | ||
1712 | /* r_symndx is a section key. */ | |
1713 | switch (intern.r_symndx) | |
1714 | { | |
1715 | case RELOC_SECTION_TEXT: sec_name = ".text"; break; | |
1716 | case RELOC_SECTION_RDATA: sec_name = ".rdata"; break; | |
1717 | case RELOC_SECTION_DATA: sec_name = ".data"; break; | |
1718 | case RELOC_SECTION_SDATA: sec_name = ".sdata"; break; | |
1719 | case RELOC_SECTION_SBSS: sec_name = ".sbss"; break; | |
1720 | case RELOC_SECTION_BSS: sec_name = ".bss"; break; | |
1721 | case RELOC_SECTION_INIT: sec_name = ".init"; break; | |
1722 | case RELOC_SECTION_LIT8: sec_name = ".lit8"; break; | |
1723 | case RELOC_SECTION_LIT4: sec_name = ".lit4"; break; | |
8f46bac8 ILT |
1724 | case RELOC_SECTION_XDATA: sec_name = ".xdata"; break; |
1725 | case RELOC_SECTION_PDATA: sec_name = ".pdata"; break; | |
c9668c58 | 1726 | case RELOC_SECTION_FINI: sec_name = ".fini"; break; |
8f46bac8 | 1727 | case RELOC_SECTION_LITA: sec_name = ".lita"; break; |
a877f591 | 1728 | case RELOC_SECTION_RCONST: sec_name = ".rconst"; break; |
dae31cf5 ILT |
1729 | default: abort (); |
1730 | } | |
1731 | ||
1732 | sec = bfd_get_section_by_name (abfd, sec_name); | |
1733 | if (sec == (asection *) NULL) | |
e544ed4f | 1734 | abort (); |
dae31cf5 ILT |
1735 | rptr->sym_ptr_ptr = sec->symbol_ptr_ptr; |
1736 | ||
1737 | rptr->addend = - bfd_get_section_vma (abfd, sec); | |
dae31cf5 ILT |
1738 | } |
1739 | ||
1740 | rptr->address = intern.r_vaddr - bfd_get_section_vma (abfd, section); | |
dae31cf5 | 1741 | |
8f46bac8 ILT |
1742 | /* Let the backend select the howto field and do any other |
1743 | required processing. */ | |
c9668c58 | 1744 | (*backend->adjust_reloc_in) (abfd, &intern, rptr); |
dae31cf5 ILT |
1745 | } |
1746 | ||
1747 | bfd_release (abfd, external_relocs); | |
1748 | ||
1749 | section->relocation = internal_relocs; | |
1750 | ||
1751 | return true; | |
1752 | } | |
1753 | ||
1754 | /* Get a canonical list of relocs. */ | |
1755 | ||
326e32d7 | 1756 | long |
75f3ef7a | 1757 | _bfd_ecoff_canonicalize_reloc (abfd, section, relptr, symbols) |
dae31cf5 ILT |
1758 | bfd *abfd; |
1759 | asection *section; | |
1760 | arelent **relptr; | |
1761 | asymbol **symbols; | |
1762 | { | |
1763 | unsigned int count; | |
1764 | ||
1765 | if (section->flags & SEC_CONSTRUCTOR) | |
1766 | { | |
1767 | arelent_chain *chain; | |
1768 | ||
1769 | /* This section has relocs made up by us, not the file, so take | |
1770 | them out of their chain and place them into the data area | |
1771 | provided. */ | |
1772 | for (count = 0, chain = section->constructor_chain; | |
1773 | count < section->reloc_count; | |
1774 | count++, chain = chain->next) | |
1775 | *relptr++ = &chain->relent; | |
1776 | } | |
1777 | else | |
1778 | { | |
1779 | arelent *tblptr; | |
1780 | ||
1781 | if (ecoff_slurp_reloc_table (abfd, section, symbols) == false) | |
326e32d7 | 1782 | return -1; |
dae31cf5 ILT |
1783 | |
1784 | tblptr = section->relocation; | |
dae31cf5 ILT |
1785 | |
1786 | for (count = 0; count < section->reloc_count; count++) | |
1787 | *relptr++ = tblptr++; | |
1788 | } | |
1789 | ||
1790 | *relptr = (arelent *) NULL; | |
1791 | ||
1792 | return section->reloc_count; | |
1793 | } | |
dae31cf5 ILT |
1794 | \f |
1795 | /* Provided a BFD, a section and an offset into the section, calculate | |
1796 | and return the name of the source file and the line nearest to the | |
1797 | wanted location. */ | |
1798 | ||
728472f1 | 1799 | /*ARGSUSED*/ |
dae31cf5 | 1800 | boolean |
75f3ef7a ILT |
1801 | _bfd_ecoff_find_nearest_line (abfd, section, ignore_symbols, offset, |
1802 | filename_ptr, functionname_ptr, retline_ptr) | |
dae31cf5 ILT |
1803 | bfd *abfd; |
1804 | asection *section; | |
1805 | asymbol **ignore_symbols; | |
1806 | bfd_vma offset; | |
1807 | CONST char **filename_ptr; | |
1808 | CONST char **functionname_ptr; | |
1809 | unsigned int *retline_ptr; | |
1810 | { | |
c9668c58 ILT |
1811 | const struct ecoff_debug_swap * const debug_swap |
1812 | = &ecoff_backend (abfd)->debug_swap; | |
7b18561f | 1813 | struct ecoff_debug_info * const debug_info = &ecoff_data (abfd)->debug_info; |
9675c281 | 1814 | struct ecoff_find_line *line_info; |
dae31cf5 | 1815 | |
2559e014 KR |
1816 | /* If we're not in the .text section, we don't have any line |
1817 | numbers. */ | |
dae31cf5 | 1818 | if (strcmp (section->name, _TEXT) != 0 |
0652d579 | 1819 | || offset >= bfd_section_size (abfd, section)) |
dae31cf5 | 1820 | return false; |
dae31cf5 | 1821 | |
9675c281 ILT |
1822 | /* Make sure we have the FDR's. */ |
1823 | if (! _bfd_ecoff_slurp_symbolic_info (abfd, (asection *) NULL, debug_info) | |
1824 | || bfd_get_symcount (abfd) == 0) | |
1825 | return false; | |
dae31cf5 | 1826 | |
9675c281 | 1827 | if (ecoff_data (abfd)->find_line_info == NULL) |
dae31cf5 | 1828 | { |
9675c281 ILT |
1829 | ecoff_data (abfd)->find_line_info = |
1830 | ((struct ecoff_find_line *) | |
1831 | bfd_alloc (abfd, sizeof (struct ecoff_find_line))); | |
1832 | if (ecoff_data (abfd)->find_line_info == NULL) | |
a9713b91 | 1833 | return false; |
194fc935 ILT |
1834 | ecoff_data (abfd)->find_line_info->find_buffer = NULL; |
1835 | ecoff_data (abfd)->find_line_info->fdrtab_len = 0; | |
3a6eecd4 | 1836 | ecoff_data (abfd)->find_line_info->fdrtab = NULL; |
dae31cf5 | 1837 | } |
9675c281 | 1838 | line_info = ecoff_data (abfd)->find_line_info; |
7b18561f | 1839 | |
9675c281 ILT |
1840 | return _bfd_ecoff_locate_line (abfd, section, offset, debug_info, |
1841 | debug_swap, line_info, filename_ptr, | |
1842 | functionname_ptr, retline_ptr); | |
dae31cf5 ILT |
1843 | } |
1844 | \f | |
1bb42b1f ILT |
1845 | /* Copy private BFD data. This is called by objcopy and strip. We |
1846 | use it to copy the ECOFF debugging information from one BFD to the | |
1847 | other. It would be theoretically possible to represent the ECOFF | |
1848 | debugging information in the symbol table. However, it would be a | |
1849 | lot of work, and there would be little gain (gas, gdb, and ld | |
1850 | already access the ECOFF debugging information via the | |
1851 | ecoff_debug_info structure, and that structure would have to be | |
1852 | retained in order to support ECOFF debugging in MIPS ELF). | |
1853 | ||
1854 | The debugging information for the ECOFF external symbols comes from | |
1855 | the symbol table, so this function only handles the other debugging | |
1856 | information. */ | |
1857 | ||
1858 | boolean | |
75f3ef7a | 1859 | _bfd_ecoff_bfd_copy_private_bfd_data (ibfd, obfd) |
1bb42b1f ILT |
1860 | bfd *ibfd; |
1861 | bfd *obfd; | |
1862 | { | |
1863 | struct ecoff_debug_info *iinfo = &ecoff_data (ibfd)->debug_info; | |
1864 | struct ecoff_debug_info *oinfo = &ecoff_data (obfd)->debug_info; | |
8e5090ce | 1865 | register int i; |
1bb42b1f ILT |
1866 | asymbol **sym_ptr_ptr; |
1867 | size_t c; | |
1868 | boolean local; | |
1869 | ||
30f34d07 ILT |
1870 | /* This function is selected based on the input vector. We only |
1871 | want to copy information over if the output BFD also uses ECOFF | |
1872 | format. */ | |
1873 | if (bfd_get_flavour (obfd) != bfd_target_ecoff_flavour) | |
1874 | return true; | |
1bb42b1f | 1875 | |
8e5090ce ILT |
1876 | /* Copy the GP value and the register masks. */ |
1877 | ecoff_data (obfd)->gp = ecoff_data (ibfd)->gp; | |
1878 | ecoff_data (obfd)->gprmask = ecoff_data (ibfd)->gprmask; | |
1879 | ecoff_data (obfd)->fprmask = ecoff_data (ibfd)->fprmask; | |
1880 | for (i = 0; i < 3; i++) | |
1881 | ecoff_data (obfd)->cprmask[i] = ecoff_data (ibfd)->cprmask[i]; | |
1882 | ||
1883 | /* Copy the version stamp. */ | |
1bb42b1f ILT |
1884 | oinfo->symbolic_header.vstamp = iinfo->symbolic_header.vstamp; |
1885 | ||
1886 | /* If there are no symbols, don't copy any debugging information. */ | |
1887 | c = bfd_get_symcount (obfd); | |
1888 | sym_ptr_ptr = bfd_get_outsymbols (obfd); | |
1889 | if (c == 0 || sym_ptr_ptr == (asymbol **) NULL) | |
1890 | return true; | |
1891 | ||
1892 | /* See if there are any local symbols. */ | |
1893 | local = false; | |
1894 | for (; c > 0; c--, sym_ptr_ptr++) | |
1895 | { | |
1896 | if (ecoffsymbol (*sym_ptr_ptr)->local) | |
1897 | { | |
1898 | local = true; | |
1899 | break; | |
1900 | } | |
1901 | } | |
1902 | ||
1903 | if (local) | |
1904 | { | |
1905 | /* There are some local symbols. We just bring over all the | |
1906 | debugging information. FIXME: This is not quite the right | |
1907 | thing to do. If the user has asked us to discard all | |
1908 | debugging information, then we are probably going to wind up | |
1909 | keeping it because there will probably be some local symbol | |
1910 | which objcopy did not discard. We should actually break | |
1911 | apart the debugging information and only keep that which | |
1912 | applies to the symbols we want to keep. */ | |
1913 | oinfo->symbolic_header.ilineMax = iinfo->symbolic_header.ilineMax; | |
1914 | oinfo->symbolic_header.cbLine = iinfo->symbolic_header.cbLine; | |
1915 | oinfo->line = iinfo->line; | |
1916 | ||
1917 | oinfo->symbolic_header.idnMax = iinfo->symbolic_header.idnMax; | |
1918 | oinfo->external_dnr = iinfo->external_dnr; | |
1919 | ||
1920 | oinfo->symbolic_header.ipdMax = iinfo->symbolic_header.ipdMax; | |
1921 | oinfo->external_pdr = iinfo->external_pdr; | |
1922 | ||
1923 | oinfo->symbolic_header.isymMax = iinfo->symbolic_header.isymMax; | |
1924 | oinfo->external_sym = iinfo->external_sym; | |
1925 | ||
1926 | oinfo->symbolic_header.ioptMax = iinfo->symbolic_header.ioptMax; | |
1927 | oinfo->external_opt = iinfo->external_opt; | |
1928 | ||
1929 | oinfo->symbolic_header.iauxMax = iinfo->symbolic_header.iauxMax; | |
1930 | oinfo->external_aux = iinfo->external_aux; | |
1931 | ||
1932 | oinfo->symbolic_header.issMax = iinfo->symbolic_header.issMax; | |
1933 | oinfo->ss = iinfo->ss; | |
1934 | ||
1935 | oinfo->symbolic_header.ifdMax = iinfo->symbolic_header.ifdMax; | |
1936 | oinfo->external_fdr = iinfo->external_fdr; | |
1937 | ||
1938 | oinfo->symbolic_header.crfd = iinfo->symbolic_header.crfd; | |
1939 | oinfo->external_rfd = iinfo->external_rfd; | |
1940 | } | |
1941 | else | |
1942 | { | |
1943 | /* We are discarding all the local symbol information. Look | |
1944 | through the external symbols and remove all references to FDR | |
1945 | or aux information. */ | |
1946 | c = bfd_get_symcount (obfd); | |
1947 | sym_ptr_ptr = bfd_get_outsymbols (obfd); | |
1948 | for (; c > 0; c--, sym_ptr_ptr++) | |
1949 | { | |
1950 | EXTR esym; | |
1951 | ||
1952 | (*(ecoff_backend (obfd)->debug_swap.swap_ext_in)) | |
1953 | (obfd, ecoffsymbol (*sym_ptr_ptr)->native, &esym); | |
1954 | esym.ifd = ifdNil; | |
1955 | esym.asym.index = indexNil; | |
1956 | (*(ecoff_backend (obfd)->debug_swap.swap_ext_out)) | |
1957 | (obfd, &esym, ecoffsymbol (*sym_ptr_ptr)->native); | |
1958 | } | |
1959 | } | |
1960 | ||
1961 | return true; | |
1962 | } | |
1963 | \f | |
dae31cf5 ILT |
1964 | /* Set the architecture. The supported architecture is stored in the |
1965 | backend pointer. We always set the architecture anyhow, since many | |
1966 | callers ignore the return value. */ | |
1967 | ||
1968 | boolean | |
75f3ef7a | 1969 | _bfd_ecoff_set_arch_mach (abfd, arch, machine) |
dae31cf5 ILT |
1970 | bfd *abfd; |
1971 | enum bfd_architecture arch; | |
1972 | unsigned long machine; | |
1973 | { | |
1974 | bfd_default_set_arch_mach (abfd, arch, machine); | |
1975 | return arch == ecoff_backend (abfd)->arch; | |
1976 | } | |
1977 | ||
8e5090ce | 1978 | /* Get the size of the section headers. */ |
dae31cf5 | 1979 | |
728472f1 | 1980 | /*ARGSUSED*/ |
dae31cf5 | 1981 | int |
75f3ef7a | 1982 | _bfd_ecoff_sizeof_headers (abfd, reloc) |
dae31cf5 ILT |
1983 | bfd *abfd; |
1984 | boolean reloc; | |
1985 | { | |
a7853216 ILT |
1986 | asection *current; |
1987 | int c; | |
d6074cdd | 1988 | int ret; |
a7853216 ILT |
1989 | |
1990 | c = 0; | |
1991 | for (current = abfd->sections; | |
1992 | current != (asection *)NULL; | |
1993 | current = current->next) | |
8e5090ce | 1994 | ++c; |
a7853216 | 1995 | |
626f883f ILT |
1996 | ret = (bfd_coff_filhsz (abfd) |
1997 | + bfd_coff_aoutsz (abfd) | |
1998 | + c * bfd_coff_scnhsz (abfd)); | |
1999 | return BFD_ALIGN (ret, 16); | |
a7853216 ILT |
2000 | } |
2001 | ||
8e5090ce | 2002 | /* Get the contents of a section. */ |
a7853216 ILT |
2003 | |
2004 | boolean | |
75f3ef7a | 2005 | _bfd_ecoff_get_section_contents (abfd, section, location, offset, count) |
a7853216 ILT |
2006 | bfd *abfd; |
2007 | asection *section; | |
2008 | PTR location; | |
2009 | file_ptr offset; | |
2010 | bfd_size_type count; | |
2011 | { | |
8e5090ce ILT |
2012 | return _bfd_generic_get_section_contents (abfd, section, location, |
2013 | offset, count); | |
dae31cf5 ILT |
2014 | } |
2015 | ||
aca73687 ILT |
2016 | /* Sort sections by VMA, but put SEC_ALLOC sections first. This is |
2017 | called via qsort. */ | |
2018 | ||
2019 | static int | |
2020 | ecoff_sort_hdrs (arg1, arg2) | |
2021 | const PTR arg1; | |
2022 | const PTR arg2; | |
2023 | { | |
2024 | const asection *hdr1 = *(const asection **) arg1; | |
2025 | const asection *hdr2 = *(const asection **) arg2; | |
2026 | ||
2027 | if ((hdr1->flags & SEC_ALLOC) != 0) | |
2028 | { | |
2029 | if ((hdr2->flags & SEC_ALLOC) == 0) | |
2030 | return -1; | |
2031 | } | |
2032 | else | |
2033 | { | |
2034 | if ((hdr2->flags & SEC_ALLOC) != 0) | |
2035 | return 1; | |
2036 | } | |
2037 | if (hdr1->vma < hdr2->vma) | |
2038 | return -1; | |
2039 | else if (hdr1->vma > hdr2->vma) | |
2040 | return 1; | |
2041 | else | |
2042 | return 0; | |
2043 | } | |
2044 | ||
dae31cf5 ILT |
2045 | /* Calculate the file position for each section, and set |
2046 | reloc_filepos. */ | |
2047 | ||
aca73687 | 2048 | static boolean |
dae31cf5 ILT |
2049 | ecoff_compute_section_file_positions (abfd) |
2050 | bfd *abfd; | |
2051 | { | |
dae31cf5 | 2052 | file_ptr sofar; |
aca73687 ILT |
2053 | asection **sorted_hdrs; |
2054 | asection *current; | |
2055 | unsigned int i; | |
dae31cf5 | 2056 | file_ptr old_sofar; |
aca73687 ILT |
2057 | boolean first_data, first_nonalloc; |
2058 | const bfd_vma round = ecoff_backend (abfd)->round; | |
dae31cf5 | 2059 | |
75f3ef7a | 2060 | sofar = _bfd_ecoff_sizeof_headers (abfd, false); |
dae31cf5 | 2061 | |
aca73687 | 2062 | /* Sort the sections by VMA. */ |
58142f10 ILT |
2063 | sorted_hdrs = (asection **) bfd_malloc (abfd->section_count |
2064 | * sizeof (asection *)); | |
aca73687 | 2065 | if (sorted_hdrs == NULL) |
58142f10 | 2066 | return false; |
aca73687 ILT |
2067 | for (current = abfd->sections, i = 0; |
2068 | current != NULL; | |
2069 | current = current->next, i++) | |
2070 | sorted_hdrs[i] = current; | |
2071 | BFD_ASSERT (i == abfd->section_count); | |
2072 | ||
2073 | qsort (sorted_hdrs, abfd->section_count, sizeof (asection *), | |
2074 | ecoff_sort_hdrs); | |
2075 | ||
dae31cf5 | 2076 | first_data = true; |
aca73687 ILT |
2077 | first_nonalloc = true; |
2078 | for (i = 0; i < abfd->section_count; i++) | |
dae31cf5 | 2079 | { |
3f048f7f ILT |
2080 | unsigned int alignment_power; |
2081 | ||
aca73687 ILT |
2082 | current = sorted_hdrs[i]; |
2083 | ||
dae31cf5 | 2084 | /* Only deal with sections which have contents */ |
8e5090ce | 2085 | if ((current->flags & (SEC_HAS_CONTENTS | SEC_LOAD)) == 0) |
dae31cf5 ILT |
2086 | continue; |
2087 | ||
3f048f7f ILT |
2088 | /* For the Alpha ECOFF .pdata section the lnnoptr field is |
2089 | supposed to indicate the number of .pdata entries that are | |
2090 | really in the section. Each entry is 8 bytes. We store this | |
2091 | away in line_filepos before increasing the section size. */ | |
2092 | if (strcmp (current->name, _PDATA) != 0) | |
2093 | alignment_power = current->alignment_power; | |
2094 | else | |
2095 | { | |
2096 | current->line_filepos = current->_raw_size / 8; | |
2097 | alignment_power = 4; | |
2098 | } | |
2099 | ||
dae31cf5 ILT |
2100 | /* On Ultrix, the data sections in an executable file must be |
2101 | aligned to a page boundary within the file. This does not | |
2102 | affect the section size, though. FIXME: Does this work for | |
c9668c58 ILT |
2103 | other platforms? It requires some modification for the |
2104 | Alpha, because .rdata on the Alpha goes with the text, not | |
2105 | the data. */ | |
dae31cf5 ILT |
2106 | if ((abfd->flags & EXEC_P) != 0 |
2107 | && (abfd->flags & D_PAGED) != 0 | |
a877f591 | 2108 | && ! first_data |
c9668c58 ILT |
2109 | && (current->flags & SEC_CODE) == 0 |
2110 | && (! ecoff_backend (abfd)->rdata_in_text | |
2111 | || strcmp (current->name, _RDATA) != 0) | |
a877f591 ILT |
2112 | && strcmp (current->name, _PDATA) != 0 |
2113 | && strcmp (current->name, _RCONST) != 0) | |
dae31cf5 | 2114 | { |
dae31cf5 ILT |
2115 | sofar = (sofar + round - 1) &~ (round - 1); |
2116 | first_data = false; | |
2117 | } | |
f8ee1ebb ILT |
2118 | else if (strcmp (current->name, _LIB) == 0) |
2119 | { | |
f8ee1ebb ILT |
2120 | /* On Irix 4, the location of contents of the .lib section |
2121 | from a shared library section is also rounded up to a | |
2122 | page boundary. */ | |
2123 | ||
2124 | sofar = (sofar + round - 1) &~ (round - 1); | |
2125 | } | |
aca73687 ILT |
2126 | else if (first_nonalloc |
2127 | && (current->flags & SEC_ALLOC) == 0 | |
2128 | && (abfd->flags & D_PAGED) != 0) | |
2129 | { | |
2130 | /* Skip up to the next page for an unallocated section, such | |
2131 | as the .comment section on the Alpha. This leaves room | |
2132 | for the .bss section. */ | |
2133 | first_nonalloc = false; | |
2134 | sofar = (sofar + round - 1) &~ (round - 1); | |
2135 | } | |
dae31cf5 ILT |
2136 | |
2137 | /* Align the sections in the file to the same boundary on | |
2138 | which they are aligned in virtual memory. */ | |
2139 | old_sofar = sofar; | |
3f048f7f | 2140 | sofar = BFD_ALIGN (sofar, 1 << alignment_power); |
dae31cf5 | 2141 | |
aca73687 ILT |
2142 | if ((abfd->flags & D_PAGED) != 0 |
2143 | && (current->flags & SEC_ALLOC) != 0) | |
2144 | sofar += (current->vma - sofar) % round; | |
2145 | ||
dae31cf5 ILT |
2146 | current->filepos = sofar; |
2147 | ||
2148 | sofar += current->_raw_size; | |
2149 | ||
2150 | /* make sure that this section is of the right size too */ | |
2151 | old_sofar = sofar; | |
3f048f7f | 2152 | sofar = BFD_ALIGN (sofar, 1 << alignment_power); |
dae31cf5 ILT |
2153 | current->_raw_size += sofar - old_sofar; |
2154 | } | |
2155 | ||
aca73687 ILT |
2156 | free (sorted_hdrs); |
2157 | sorted_hdrs = NULL; | |
2158 | ||
dae31cf5 | 2159 | ecoff_data (abfd)->reloc_filepos = sofar; |
aca73687 ILT |
2160 | |
2161 | return true; | |
dae31cf5 ILT |
2162 | } |
2163 | ||
966e0a16 | 2164 | /* Determine the location of the relocs for all the sections in the |
3f048f7f ILT |
2165 | output file, as well as the location of the symbolic debugging |
2166 | information. */ | |
966e0a16 ILT |
2167 | |
2168 | static bfd_size_type | |
2169 | ecoff_compute_reloc_file_positions (abfd) | |
2170 | bfd *abfd; | |
2171 | { | |
2172 | const bfd_size_type external_reloc_size = | |
2173 | ecoff_backend (abfd)->external_reloc_size; | |
2174 | file_ptr reloc_base; | |
2175 | bfd_size_type reloc_size; | |
2176 | asection *current; | |
3f048f7f | 2177 | file_ptr sym_base; |
966e0a16 ILT |
2178 | |
2179 | if (! abfd->output_has_begun) | |
3f048f7f | 2180 | { |
aca73687 ILT |
2181 | if (! ecoff_compute_section_file_positions (abfd)) |
2182 | abort (); | |
3f048f7f ILT |
2183 | abfd->output_has_begun = true; |
2184 | } | |
966e0a16 ILT |
2185 | |
2186 | reloc_base = ecoff_data (abfd)->reloc_filepos; | |
2187 | ||
2188 | reloc_size = 0; | |
2189 | for (current = abfd->sections; | |
2190 | current != (asection *)NULL; | |
2191 | current = current->next) | |
2192 | { | |
966e0a16 ILT |
2193 | if (current->reloc_count == 0) |
2194 | current->rel_filepos = 0; | |
2195 | else | |
2196 | { | |
2197 | bfd_size_type relsize; | |
2198 | ||
2199 | current->rel_filepos = reloc_base; | |
2200 | relsize = current->reloc_count * external_reloc_size; | |
2201 | reloc_size += relsize; | |
2202 | reloc_base += relsize; | |
2203 | } | |
2204 | } | |
2205 | ||
3f048f7f ILT |
2206 | sym_base = ecoff_data (abfd)->reloc_filepos + reloc_size; |
2207 | ||
2208 | /* At least on Ultrix, the symbol table of an executable file must | |
2209 | be aligned to a page boundary. FIXME: Is this true on other | |
2210 | platforms? */ | |
2211 | if ((abfd->flags & EXEC_P) != 0 | |
2212 | && (abfd->flags & D_PAGED) != 0) | |
2213 | sym_base = ((sym_base + ecoff_backend (abfd)->round - 1) | |
2214 | &~ (ecoff_backend (abfd)->round - 1)); | |
2215 | ||
2216 | ecoff_data (abfd)->sym_filepos = sym_base; | |
2217 | ||
966e0a16 ILT |
2218 | return reloc_size; |
2219 | } | |
2220 | ||
8e5090ce | 2221 | /* Set the contents of a section. */ |
dae31cf5 ILT |
2222 | |
2223 | boolean | |
75f3ef7a | 2224 | _bfd_ecoff_set_section_contents (abfd, section, location, offset, count) |
dae31cf5 ILT |
2225 | bfd *abfd; |
2226 | asection *section; | |
2227 | PTR location; | |
2228 | file_ptr offset; | |
2229 | bfd_size_type count; | |
2230 | { | |
966e0a16 ILT |
2231 | /* This must be done first, because bfd_set_section_contents is |
2232 | going to set output_has_begun to true. */ | |
dae31cf5 | 2233 | if (abfd->output_has_begun == false) |
aca73687 ILT |
2234 | { |
2235 | if (! ecoff_compute_section_file_positions (abfd)) | |
2236 | return false; | |
2237 | } | |
dae31cf5 | 2238 | |
f8ee1ebb ILT |
2239 | /* If this is a .lib section, bump the vma address so that it winds |
2240 | up being the number of .lib sections output. This is right for | |
2241 | Irix 4. Ian Taylor <ian@cygnus.com>. */ | |
2242 | if (strcmp (section->name, _LIB) == 0) | |
2243 | ++section->vma; | |
2244 | ||
966e0a16 ILT |
2245 | if (count == 0) |
2246 | return true; | |
2247 | ||
8e5090ce ILT |
2248 | if (bfd_seek (abfd, (file_ptr) (section->filepos + offset), SEEK_SET) != 0 |
2249 | || bfd_write (location, 1, count, abfd) != count) | |
2250 | return false; | |
2251 | ||
2252 | return true; | |
2253 | } | |
2254 | ||
2255 | /* Get the GP value for an ECOFF file. This is a hook used by | |
2256 | nlmconv. */ | |
2257 | ||
2258 | bfd_vma | |
2259 | bfd_ecoff_get_gp_value (abfd) | |
2260 | bfd *abfd; | |
2261 | { | |
2262 | if (bfd_get_flavour (abfd) != bfd_target_ecoff_flavour | |
2263 | || bfd_get_format (abfd) != bfd_object) | |
a7853216 | 2264 | { |
8e5090ce ILT |
2265 | bfd_set_error (bfd_error_invalid_operation); |
2266 | return 0; | |
2267 | } | |
2268 | ||
2269 | return ecoff_data (abfd)->gp; | |
2270 | } | |
a7853216 | 2271 | |
8e5090ce ILT |
2272 | /* Set the GP value for an ECOFF file. This is a hook used by the |
2273 | assembler. */ | |
2274 | ||
2275 | boolean | |
2276 | bfd_ecoff_set_gp_value (abfd, gp_value) | |
2277 | bfd *abfd; | |
2278 | bfd_vma gp_value; | |
2279 | { | |
2280 | if (bfd_get_flavour (abfd) != bfd_target_ecoff_flavour | |
2281 | || bfd_get_format (abfd) != bfd_object) | |
2282 | { | |
2283 | bfd_set_error (bfd_error_invalid_operation); | |
2284 | return false; | |
2285 | } | |
a7853216 | 2286 | |
8e5090ce | 2287 | ecoff_data (abfd)->gp = gp_value; |
a7853216 | 2288 | |
8e5090ce ILT |
2289 | return true; |
2290 | } | |
a7853216 | 2291 | |
8e5090ce ILT |
2292 | /* Set the register masks for an ECOFF file. This is a hook used by |
2293 | the assembler. */ | |
2294 | ||
2295 | boolean | |
2296 | bfd_ecoff_set_regmasks (abfd, gprmask, fprmask, cprmask) | |
2297 | bfd *abfd; | |
2298 | unsigned long gprmask; | |
2299 | unsigned long fprmask; | |
2300 | unsigned long *cprmask; | |
2301 | { | |
2302 | ecoff_data_type *tdata; | |
2303 | ||
2304 | if (bfd_get_flavour (abfd) != bfd_target_ecoff_flavour | |
2305 | || bfd_get_format (abfd) != bfd_object) | |
2306 | { | |
2307 | bfd_set_error (bfd_error_invalid_operation); | |
2308 | return false; | |
a7853216 ILT |
2309 | } |
2310 | ||
8e5090ce ILT |
2311 | tdata = ecoff_data (abfd); |
2312 | tdata->gprmask = gprmask; | |
2313 | tdata->fprmask = fprmask; | |
2314 | if (cprmask != (unsigned long *) NULL) | |
2315 | { | |
2316 | register int i; | |
2317 | ||
2318 | for (i = 0; i < 3; i++) | |
2319 | tdata->cprmask[i] = cprmask[i]; | |
2320 | } | |
dae31cf5 ILT |
2321 | |
2322 | return true; | |
2323 | } | |
2324 | ||
966e0a16 ILT |
2325 | /* Get ECOFF EXTR information for an external symbol. This function |
2326 | is passed to bfd_ecoff_debug_externals. */ | |
dae31cf5 | 2327 | |
966e0a16 ILT |
2328 | static boolean |
2329 | ecoff_get_extr (sym, esym) | |
2330 | asymbol *sym; | |
2331 | EXTR *esym; | |
dae31cf5 | 2332 | { |
966e0a16 ILT |
2333 | ecoff_symbol_type *ecoff_sym_ptr; |
2334 | bfd *input_bfd; | |
2335 | ||
966e0a16 ILT |
2336 | if (bfd_asymbol_flavour (sym) != bfd_target_ecoff_flavour |
2337 | || ecoffsymbol (sym)->native == NULL) | |
2338 | { | |
1bb42b1f ILT |
2339 | /* Don't include debugging, local, or section symbols. */ |
2340 | if ((sym->flags & BSF_DEBUGGING) != 0 | |
2341 | || (sym->flags & BSF_LOCAL) != 0 | |
2342 | || (sym->flags & BSF_SECTION_SYM) != 0) | |
2343 | return false; | |
2344 | ||
966e0a16 ILT |
2345 | esym->jmptbl = 0; |
2346 | esym->cobol_main = 0; | |
0652d579 | 2347 | esym->weakext = (sym->flags & BSF_WEAK) != 0; |
966e0a16 ILT |
2348 | esym->reserved = 0; |
2349 | esym->ifd = ifdNil; | |
2350 | /* FIXME: we can do better than this for st and sc. */ | |
2351 | esym->asym.st = stGlobal; | |
2352 | esym->asym.sc = scAbs; | |
2353 | esym->asym.reserved = 0; | |
2354 | esym->asym.index = indexNil; | |
2355 | return true; | |
2356 | } | |
2357 | ||
2358 | ecoff_sym_ptr = ecoffsymbol (sym); | |
2359 | ||
2360 | if (ecoff_sym_ptr->local) | |
1bb42b1f | 2361 | return false; |
966e0a16 ILT |
2362 | |
2363 | input_bfd = bfd_asymbol_bfd (sym); | |
2364 | (*(ecoff_backend (input_bfd)->debug_swap.swap_ext_in)) | |
2365 | (input_bfd, ecoff_sym_ptr->native, esym); | |
2366 | ||
2367 | /* If the symbol was defined by the linker, then esym will be | |
2368 | undefined but sym will not be. Get a better class for such a | |
2369 | symbol. */ | |
2370 | if ((esym->asym.sc == scUndefined | |
2371 | || esym->asym.sc == scSUndefined) | |
7b18561f | 2372 | && ! bfd_is_und_section (bfd_get_section (sym))) |
966e0a16 ILT |
2373 | esym->asym.sc = scAbs; |
2374 | ||
2375 | /* Adjust the FDR index for the symbol by that used for the input | |
2376 | BFD. */ | |
3f048f7f ILT |
2377 | if (esym->ifd != -1) |
2378 | { | |
2379 | struct ecoff_debug_info *input_debug; | |
2380 | ||
2381 | input_debug = &ecoff_data (input_bfd)->debug_info; | |
2382 | BFD_ASSERT (esym->ifd < input_debug->symbolic_header.ifdMax); | |
2383 | if (input_debug->ifdmap != (RFDT *) NULL) | |
2384 | esym->ifd = input_debug->ifdmap[esym->ifd]; | |
2385 | } | |
966e0a16 ILT |
2386 | |
2387 | return true; | |
2388 | } | |
2389 | ||
2390 | /* Set the external symbol index. This routine is passed to | |
2391 | bfd_ecoff_debug_externals. */ | |
2392 | ||
2393 | static void | |
2394 | ecoff_set_index (sym, indx) | |
2395 | asymbol *sym; | |
2396 | bfd_size_type indx; | |
2397 | { | |
2398 | ecoff_set_sym_index (sym, indx); | |
2399 | } | |
2400 | ||
2401 | /* Write out an ECOFF file. */ | |
2402 | ||
2403 | boolean | |
75f3ef7a | 2404 | _bfd_ecoff_write_object_contents (abfd) |
966e0a16 ILT |
2405 | bfd *abfd; |
2406 | { | |
2407 | const struct ecoff_backend_data * const backend = ecoff_backend (abfd); | |
2408 | const bfd_vma round = backend->round; | |
2409 | const bfd_size_type filhsz = bfd_coff_filhsz (abfd); | |
2410 | const bfd_size_type aoutsz = bfd_coff_aoutsz (abfd); | |
2411 | const bfd_size_type scnhsz = bfd_coff_scnhsz (abfd); | |
2412 | const bfd_size_type external_hdr_size | |
2413 | = backend->debug_swap.external_hdr_size; | |
2414 | const bfd_size_type external_reloc_size = backend->external_reloc_size; | |
2415 | void (* const adjust_reloc_out) PARAMS ((bfd *, | |
2416 | const arelent *, | |
2417 | struct internal_reloc *)) | |
c9668c58 | 2418 | = backend->adjust_reloc_out; |
dae31cf5 ILT |
2419 | void (* const swap_reloc_out) PARAMS ((bfd *, |
2420 | const struct internal_reloc *, | |
2421 | PTR)) | |
2422 | = backend->swap_reloc_out; | |
8d12f138 ILT |
2423 | struct ecoff_debug_info * const debug = &ecoff_data (abfd)->debug_info; |
2424 | HDRR * const symhdr = &debug->symbolic_header; | |
dae31cf5 ILT |
2425 | asection *current; |
2426 | unsigned int count; | |
966e0a16 | 2427 | bfd_size_type reloc_size; |
22a71fef ILT |
2428 | bfd_size_type text_size; |
2429 | bfd_vma text_start; | |
1788b1bd | 2430 | boolean set_text_start; |
22a71fef ILT |
2431 | bfd_size_type data_size; |
2432 | bfd_vma data_start; | |
1788b1bd | 2433 | boolean set_data_start; |
22a71fef | 2434 | bfd_size_type bss_size; |
80425e6c JK |
2435 | PTR buff = NULL; |
2436 | PTR reloc_buff = NULL; | |
dae31cf5 ILT |
2437 | struct internal_filehdr internal_f; |
2438 | struct internal_aouthdr internal_a; | |
2439 | int i; | |
2440 | ||
966e0a16 ILT |
2441 | /* Determine where the sections and relocs will go in the output |
2442 | file. */ | |
2443 | reloc_size = ecoff_compute_reloc_file_positions (abfd); | |
dae31cf5 ILT |
2444 | |
2445 | count = 1; | |
dae31cf5 ILT |
2446 | for (current = abfd->sections; |
2447 | current != (asection *)NULL; | |
2448 | current = current->next) | |
2449 | { | |
dae31cf5 ILT |
2450 | current->target_index = count; |
2451 | ++count; | |
dae31cf5 ILT |
2452 | } |
2453 | ||
dae31cf5 | 2454 | if ((abfd->flags & D_PAGED) != 0) |
75f3ef7a | 2455 | text_size = _bfd_ecoff_sizeof_headers (abfd, false); |
dae31cf5 ILT |
2456 | else |
2457 | text_size = 0; | |
2458 | text_start = 0; | |
1788b1bd | 2459 | set_text_start = false; |
dae31cf5 ILT |
2460 | data_size = 0; |
2461 | data_start = 0; | |
1788b1bd | 2462 | set_data_start = false; |
dae31cf5 ILT |
2463 | bss_size = 0; |
2464 | ||
2465 | /* Write section headers to the file. */ | |
2466 | ||
80425e6c JK |
2467 | /* Allocate buff big enough to hold a section header, |
2468 | file header, or a.out header. */ | |
2469 | { | |
2470 | bfd_size_type siz; | |
2471 | siz = scnhsz; | |
2472 | if (siz < filhsz) | |
2473 | siz = filhsz; | |
2474 | if (siz < aoutsz) | |
2475 | siz = aoutsz; | |
58142f10 | 2476 | buff = (PTR) bfd_malloc ((size_t) siz); |
80425e6c | 2477 | if (buff == NULL) |
58142f10 | 2478 | goto error_return; |
80425e6c JK |
2479 | } |
2480 | ||
dae31cf5 ILT |
2481 | internal_f.f_nscns = 0; |
2482 | if (bfd_seek (abfd, (file_ptr) (filhsz + aoutsz), SEEK_SET) != 0) | |
80425e6c | 2483 | goto error_return; |
dae31cf5 ILT |
2484 | for (current = abfd->sections; |
2485 | current != (asection *) NULL; | |
2486 | current = current->next) | |
2487 | { | |
2488 | struct internal_scnhdr section; | |
2489 | bfd_vma vma; | |
2490 | ||
dae31cf5 ILT |
2491 | ++internal_f.f_nscns; |
2492 | ||
2493 | strncpy (section.s_name, current->name, sizeof section.s_name); | |
2494 | ||
f8ee1ebb | 2495 | /* This seems to be correct for Irix 4 shared libraries. */ |
dae31cf5 ILT |
2496 | vma = bfd_get_section_vma (abfd, current); |
2497 | if (strcmp (current->name, _LIB) == 0) | |
2498 | section.s_vaddr = 0; | |
2499 | else | |
2500 | section.s_vaddr = vma; | |
2501 | ||
2502 | section.s_paddr = vma; | |
2503 | section.s_size = bfd_get_section_size_before_reloc (current); | |
2504 | ||
e544ed4f ILT |
2505 | /* If this section is unloadable then the scnptr will be 0. */ |
2506 | if ((current->flags & (SEC_LOAD | SEC_HAS_CONTENTS)) == 0) | |
dae31cf5 ILT |
2507 | section.s_scnptr = 0; |
2508 | else | |
2509 | section.s_scnptr = current->filepos; | |
2510 | section.s_relptr = current->rel_filepos; | |
2511 | ||
2512 | /* FIXME: the lnnoptr of the .sbss or .sdata section of an | |
2513 | object file produced by the assembler is supposed to point to | |
2514 | information about how much room is required by objects of | |
2515 | various different sizes. I think this only matters if we | |
2516 | want the linker to compute the best size to use, or | |
2517 | something. I don't know what happens if the information is | |
2518 | not present. */ | |
3f048f7f ILT |
2519 | if (strcmp (current->name, _PDATA) != 0) |
2520 | section.s_lnnoptr = 0; | |
2521 | else | |
2522 | { | |
2523 | /* The Alpha ECOFF .pdata section uses the lnnoptr field to | |
2524 | hold the number of entries in the section (each entry is | |
2525 | 8 bytes). We stored this in the line_filepos field in | |
2526 | ecoff_compute_section_file_positions. */ | |
2527 | section.s_lnnoptr = current->line_filepos; | |
2528 | } | |
dae31cf5 ILT |
2529 | |
2530 | section.s_nreloc = current->reloc_count; | |
2531 | section.s_nlnno = 0; | |
2532 | section.s_flags = ecoff_sec_to_styp_flags (current->name, | |
2533 | current->flags); | |
2534 | ||
9675c281 ILT |
2535 | if (bfd_coff_swap_scnhdr_out (abfd, (PTR) §ion, buff) == 0 |
2536 | || bfd_write (buff, 1, scnhsz, abfd) != scnhsz) | |
80425e6c | 2537 | goto error_return; |
dae31cf5 | 2538 | |
c9668c58 ILT |
2539 | if ((section.s_flags & STYP_TEXT) != 0 |
2540 | || ((section.s_flags & STYP_RDATA) != 0 | |
2541 | && backend->rdata_in_text) | |
aca73687 ILT |
2542 | || section.s_flags == STYP_PDATA |
2543 | || (section.s_flags & STYP_DYNAMIC) != 0 | |
2544 | || (section.s_flags & STYP_LIBLIST) != 0 | |
2545 | || (section.s_flags & STYP_RELDYN) != 0 | |
2546 | || section.s_flags == STYP_CONFLIC | |
2547 | || (section.s_flags & STYP_DYNSTR) != 0 | |
2548 | || (section.s_flags & STYP_DYNSYM) != 0 | |
2549 | || (section.s_flags & STYP_HASH) != 0 | |
2550 | || (section.s_flags & STYP_ECOFF_INIT) != 0 | |
a877f591 ILT |
2551 | || (section.s_flags & STYP_ECOFF_FINI) != 0 |
2552 | || section.s_flags == STYP_RCONST) | |
dae31cf5 ILT |
2553 | { |
2554 | text_size += bfd_get_section_size_before_reloc (current); | |
1788b1bd ILT |
2555 | if (! set_text_start || text_start > vma) |
2556 | { | |
2557 | text_start = vma; | |
2558 | set_text_start = true; | |
2559 | } | |
dae31cf5 ILT |
2560 | } |
2561 | else if ((section.s_flags & STYP_RDATA) != 0 | |
2562 | || (section.s_flags & STYP_DATA) != 0 | |
c9668c58 | 2563 | || (section.s_flags & STYP_LITA) != 0 |
dae31cf5 ILT |
2564 | || (section.s_flags & STYP_LIT8) != 0 |
2565 | || (section.s_flags & STYP_LIT4) != 0 | |
966e0a16 | 2566 | || (section.s_flags & STYP_SDATA) != 0 |
aca73687 ILT |
2567 | || section.s_flags == STYP_XDATA |
2568 | || (section.s_flags & STYP_GOT) != 0) | |
dae31cf5 ILT |
2569 | { |
2570 | data_size += bfd_get_section_size_before_reloc (current); | |
1788b1bd ILT |
2571 | if (! set_data_start || data_start > vma) |
2572 | { | |
2573 | data_start = vma; | |
2574 | set_data_start = true; | |
2575 | } | |
dae31cf5 ILT |
2576 | } |
2577 | else if ((section.s_flags & STYP_BSS) != 0 | |
2578 | || (section.s_flags & STYP_SBSS) != 0) | |
2579 | bss_size += bfd_get_section_size_before_reloc (current); | |
aca73687 ILT |
2580 | else if (section.s_flags == 0 |
2581 | || (section.s_flags & STYP_ECOFF_LIB) != 0 | |
2582 | || section.s_flags == STYP_COMMENT) | |
f8ee1ebb | 2583 | /* Do nothing */ ; |
966e0a16 ILT |
2584 | else |
2585 | abort (); | |
dae31cf5 ILT |
2586 | } |
2587 | ||
2588 | /* Set up the file header. */ | |
2589 | ||
a7853216 | 2590 | internal_f.f_magic = ecoff_get_magic (abfd); |
dae31cf5 ILT |
2591 | |
2592 | /* We will NOT put a fucking timestamp in the header here. Every | |
2593 | time you put it back, I will come in and take it out again. I'm | |
2594 | sorry. This field does not belong here. We fill it with a 0 so | |
2595 | it compares the same but is not a reasonable time. -- | |
2596 | gnu@cygnus.com. */ | |
2597 | internal_f.f_timdat = 0; | |
2598 | ||
2599 | if (bfd_get_symcount (abfd) != 0) | |
2600 | { | |
2601 | /* The ECOFF f_nsyms field is not actually the number of | |
2602 | symbols, it's the size of symbolic information header. */ | |
2603 | internal_f.f_nsyms = external_hdr_size; | |
3f048f7f | 2604 | internal_f.f_symptr = ecoff_data (abfd)->sym_filepos; |
dae31cf5 ILT |
2605 | } |
2606 | else | |
2607 | { | |
2608 | internal_f.f_nsyms = 0; | |
2609 | internal_f.f_symptr = 0; | |
2610 | } | |
2611 | ||
2612 | internal_f.f_opthdr = aoutsz; | |
2613 | ||
2614 | internal_f.f_flags = F_LNNO; | |
2615 | if (reloc_size == 0) | |
2616 | internal_f.f_flags |= F_RELFLG; | |
2617 | if (bfd_get_symcount (abfd) == 0) | |
2618 | internal_f.f_flags |= F_LSYMS; | |
2619 | if (abfd->flags & EXEC_P) | |
2620 | internal_f.f_flags |= F_EXEC; | |
2621 | ||
2622 | if (! abfd->xvec->byteorder_big_p) | |
2623 | internal_f.f_flags |= F_AR32WR; | |
2624 | else | |
2625 | internal_f.f_flags |= F_AR32W; | |
2626 | ||
2627 | /* Set up the ``optional'' header. */ | |
2628 | if ((abfd->flags & D_PAGED) != 0) | |
2629 | internal_a.magic = ECOFF_AOUT_ZMAGIC; | |
2630 | else | |
2631 | internal_a.magic = ECOFF_AOUT_OMAGIC; | |
2632 | ||
3f048f7f ILT |
2633 | /* FIXME: Is this really correct? */ |
2634 | internal_a.vstamp = symhdr->vstamp; | |
dae31cf5 ILT |
2635 | |
2636 | /* At least on Ultrix, these have to be rounded to page boundaries. | |
2637 | FIXME: Is this true on other platforms? */ | |
2638 | if ((abfd->flags & D_PAGED) != 0) | |
2639 | { | |
2640 | internal_a.tsize = (text_size + round - 1) &~ (round - 1); | |
2641 | internal_a.text_start = text_start &~ (round - 1); | |
2642 | internal_a.dsize = (data_size + round - 1) &~ (round - 1); | |
2643 | internal_a.data_start = data_start &~ (round - 1); | |
2644 | } | |
2645 | else | |
2646 | { | |
2647 | internal_a.tsize = text_size; | |
2648 | internal_a.text_start = text_start; | |
2649 | internal_a.dsize = data_size; | |
2650 | internal_a.data_start = data_start; | |
2651 | } | |
2652 | ||
2653 | /* On Ultrix, the initial portions of the .sbss and .bss segments | |
2654 | are at the end of the data section. The bsize field in the | |
2655 | optional header records how many bss bytes are required beyond | |
2656 | those in the data section. The value is not rounded to a page | |
2657 | boundary. */ | |
2658 | if (bss_size < internal_a.dsize - data_size) | |
2659 | bss_size = 0; | |
2660 | else | |
2661 | bss_size -= internal_a.dsize - data_size; | |
2662 | internal_a.bsize = bss_size; | |
2663 | internal_a.bss_start = internal_a.data_start + internal_a.dsize; | |
2664 | ||
2665 | internal_a.entry = bfd_get_start_address (abfd); | |
2666 | ||
2667 | internal_a.gp_value = ecoff_data (abfd)->gp; | |
2668 | ||
2669 | internal_a.gprmask = ecoff_data (abfd)->gprmask; | |
48edba81 | 2670 | internal_a.fprmask = ecoff_data (abfd)->fprmask; |
dae31cf5 ILT |
2671 | for (i = 0; i < 4; i++) |
2672 | internal_a.cprmask[i] = ecoff_data (abfd)->cprmask[i]; | |
2673 | ||
aca73687 ILT |
2674 | /* Let the backend adjust the headers if necessary. */ |
2675 | if (backend->adjust_headers) | |
2676 | { | |
2677 | if (! (*backend->adjust_headers) (abfd, &internal_f, &internal_a)) | |
2678 | goto error_return; | |
2679 | } | |
2680 | ||
dae31cf5 ILT |
2681 | /* Write out the file header and the optional header. */ |
2682 | ||
2683 | if (bfd_seek (abfd, (file_ptr) 0, SEEK_SET) != 0) | |
80425e6c | 2684 | goto error_return; |
dae31cf5 | 2685 | |
dae31cf5 ILT |
2686 | bfd_coff_swap_filehdr_out (abfd, (PTR) &internal_f, buff); |
2687 | if (bfd_write (buff, 1, filhsz, abfd) != filhsz) | |
80425e6c | 2688 | goto error_return; |
dae31cf5 | 2689 | |
dae31cf5 ILT |
2690 | bfd_coff_swap_aouthdr_out (abfd, (PTR) &internal_a, buff); |
2691 | if (bfd_write (buff, 1, aoutsz, abfd) != aoutsz) | |
80425e6c | 2692 | goto error_return; |
dae31cf5 | 2693 | |
8d12f138 | 2694 | /* Build the external symbol information. This must be done before |
469984d1 ILT |
2695 | writing out the relocs so that we know the symbol indices. We |
2696 | don't do this if this BFD was created by the backend linker, | |
2697 | since it will have already handled the symbols and relocs. */ | |
2698 | if (! ecoff_data (abfd)->linker) | |
dae31cf5 | 2699 | { |
966e0a16 ILT |
2700 | symhdr->iextMax = 0; |
2701 | symhdr->issExtMax = 0; | |
2702 | debug->external_ext = debug->external_ext_end = NULL; | |
2703 | debug->ssext = debug->ssext_end = NULL; | |
2704 | if (bfd_ecoff_debug_externals (abfd, debug, &backend->debug_swap, | |
2705 | (((abfd->flags & EXEC_P) == 0) | |
2706 | ? true : false), | |
2707 | ecoff_get_extr, ecoff_set_index) | |
2708 | == false) | |
80425e6c | 2709 | goto error_return; |
dae31cf5 | 2710 | |
966e0a16 ILT |
2711 | /* Write out the relocs. */ |
2712 | for (current = abfd->sections; | |
2713 | current != (asection *) NULL; | |
2714 | current = current->next) | |
dae31cf5 | 2715 | { |
966e0a16 ILT |
2716 | arelent **reloc_ptr_ptr; |
2717 | arelent **reloc_end; | |
2718 | char *out_ptr; | |
dae31cf5 | 2719 | |
966e0a16 ILT |
2720 | if (current->reloc_count == 0) |
2721 | continue; | |
dae31cf5 | 2722 | |
80425e6c JK |
2723 | reloc_buff = |
2724 | bfd_alloc (abfd, current->reloc_count * external_reloc_size); | |
2725 | if (reloc_buff == NULL) | |
a9713b91 | 2726 | goto error_return; |
966e0a16 ILT |
2727 | |
2728 | reloc_ptr_ptr = current->orelocation; | |
2729 | reloc_end = reloc_ptr_ptr + current->reloc_count; | |
80425e6c | 2730 | out_ptr = (char *) reloc_buff; |
966e0a16 ILT |
2731 | for (; |
2732 | reloc_ptr_ptr < reloc_end; | |
2733 | reloc_ptr_ptr++, out_ptr += external_reloc_size) | |
dae31cf5 | 2734 | { |
966e0a16 ILT |
2735 | arelent *reloc; |
2736 | asymbol *sym; | |
2737 | struct internal_reloc in; | |
2738 | ||
68241b2b | 2739 | memset ((PTR) &in, 0, sizeof in); |
966e0a16 ILT |
2740 | |
2741 | reloc = *reloc_ptr_ptr; | |
2742 | sym = *reloc->sym_ptr_ptr; | |
2743 | ||
2744 | in.r_vaddr = (reloc->address | |
2745 | + bfd_get_section_vma (abfd, current)); | |
2746 | in.r_type = reloc->howto->type; | |
2747 | ||
2748 | if ((sym->flags & BSF_SECTION_SYM) == 0) | |
2749 | { | |
2750 | in.r_symndx = ecoff_get_sym_index (*reloc->sym_ptr_ptr); | |
2751 | in.r_extern = 1; | |
2752 | } | |
dae31cf5 | 2753 | else |
966e0a16 ILT |
2754 | { |
2755 | CONST char *name; | |
2756 | ||
2757 | name = bfd_get_section_name (abfd, bfd_get_section (sym)); | |
2758 | if (strcmp (name, ".text") == 0) | |
2759 | in.r_symndx = RELOC_SECTION_TEXT; | |
2760 | else if (strcmp (name, ".rdata") == 0) | |
2761 | in.r_symndx = RELOC_SECTION_RDATA; | |
2762 | else if (strcmp (name, ".data") == 0) | |
2763 | in.r_symndx = RELOC_SECTION_DATA; | |
2764 | else if (strcmp (name, ".sdata") == 0) | |
2765 | in.r_symndx = RELOC_SECTION_SDATA; | |
2766 | else if (strcmp (name, ".sbss") == 0) | |
2767 | in.r_symndx = RELOC_SECTION_SBSS; | |
2768 | else if (strcmp (name, ".bss") == 0) | |
2769 | in.r_symndx = RELOC_SECTION_BSS; | |
2770 | else if (strcmp (name, ".init") == 0) | |
2771 | in.r_symndx = RELOC_SECTION_INIT; | |
2772 | else if (strcmp (name, ".lit8") == 0) | |
2773 | in.r_symndx = RELOC_SECTION_LIT8; | |
2774 | else if (strcmp (name, ".lit4") == 0) | |
2775 | in.r_symndx = RELOC_SECTION_LIT4; | |
2776 | else if (strcmp (name, ".xdata") == 0) | |
2777 | in.r_symndx = RELOC_SECTION_XDATA; | |
2778 | else if (strcmp (name, ".pdata") == 0) | |
2779 | in.r_symndx = RELOC_SECTION_PDATA; | |
2780 | else if (strcmp (name, ".fini") == 0) | |
2781 | in.r_symndx = RELOC_SECTION_FINI; | |
2782 | else if (strcmp (name, ".lita") == 0) | |
2783 | in.r_symndx = RELOC_SECTION_LITA; | |
2784 | else if (strcmp (name, "*ABS*") == 0) | |
2785 | in.r_symndx = RELOC_SECTION_ABS; | |
a877f591 ILT |
2786 | else if (strcmp (name, ".rconst") == 0) |
2787 | in.r_symndx = RELOC_SECTION_RCONST; | |
966e0a16 ILT |
2788 | else |
2789 | abort (); | |
2790 | in.r_extern = 0; | |
2791 | } | |
2792 | ||
2793 | (*adjust_reloc_out) (abfd, reloc, &in); | |
2794 | ||
2795 | (*swap_reloc_out) (abfd, &in, (PTR) out_ptr); | |
dae31cf5 ILT |
2796 | } |
2797 | ||
966e0a16 | 2798 | if (bfd_seek (abfd, current->rel_filepos, SEEK_SET) != 0) |
80425e6c JK |
2799 | goto error_return; |
2800 | if (bfd_write (reloc_buff, | |
2801 | external_reloc_size, current->reloc_count, abfd) | |
966e0a16 | 2802 | != external_reloc_size * current->reloc_count) |
80425e6c JK |
2803 | goto error_return; |
2804 | bfd_release (abfd, reloc_buff); | |
2805 | reloc_buff = NULL; | |
dae31cf5 | 2806 | } |
dae31cf5 | 2807 | |
3f048f7f ILT |
2808 | /* Write out the symbolic debugging information. */ |
2809 | if (bfd_get_symcount (abfd) > 0) | |
2810 | { | |
2811 | /* Write out the debugging information. */ | |
2812 | if (bfd_ecoff_write_debug (abfd, debug, &backend->debug_swap, | |
2813 | ecoff_data (abfd)->sym_filepos) | |
2814 | == false) | |
80425e6c | 2815 | goto error_return; |
3f048f7f | 2816 | } |
626f883f | 2817 | } |
dae31cf5 | 2818 | |
626f883f ILT |
2819 | /* The .bss section of a demand paged executable must receive an |
2820 | entire page. If there are symbols, the symbols will start on the | |
2821 | next page. If there are no symbols, we must fill out the page by | |
2822 | hand. */ | |
2823 | if (bfd_get_symcount (abfd) == 0 | |
2824 | && (abfd->flags & EXEC_P) != 0 | |
2825 | && (abfd->flags & D_PAGED) != 0) | |
2826 | { | |
2827 | char c; | |
2828 | ||
2829 | if (bfd_seek (abfd, (file_ptr) ecoff_data (abfd)->sym_filepos - 1, | |
2830 | SEEK_SET) != 0) | |
80425e6c | 2831 | goto error_return; |
626f883f ILT |
2832 | if (bfd_read (&c, 1, 1, abfd) == 0) |
2833 | c = 0; | |
2834 | if (bfd_seek (abfd, (file_ptr) ecoff_data (abfd)->sym_filepos - 1, | |
2835 | SEEK_SET) != 0) | |
80425e6c | 2836 | goto error_return; |
626f883f | 2837 | if (bfd_write (&c, 1, 1, abfd) != 1) |
80425e6c | 2838 | goto error_return; |
dae31cf5 ILT |
2839 | } |
2840 | ||
80425e6c JK |
2841 | if (reloc_buff != NULL) |
2842 | bfd_release (abfd, reloc_buff); | |
2843 | if (buff != NULL) | |
2844 | free (buff); | |
dae31cf5 | 2845 | return true; |
80425e6c JK |
2846 | error_return: |
2847 | if (reloc_buff != NULL) | |
2848 | bfd_release (abfd, reloc_buff); | |
2849 | if (buff != NULL) | |
2850 | free (buff); | |
2851 | return false; | |
dae31cf5 ILT |
2852 | } |
2853 | \f | |
2854 | /* Archive handling. ECOFF uses what appears to be a unique type of | |
b59f0276 ILT |
2855 | archive header (armap). The byte ordering of the armap and the |
2856 | contents are encoded in the name of the armap itself. At least for | |
2857 | now, we only support archives with the same byte ordering in the | |
2858 | armap and the contents. | |
dae31cf5 ILT |
2859 | |
2860 | The first four bytes in the armap are the number of symbol | |
2861 | definitions. This is always a power of two. | |
2862 | ||
2863 | This is followed by the symbol definitions. Each symbol definition | |
2864 | occupies 8 bytes. The first four bytes are the offset from the | |
2865 | start of the armap strings to the null-terminated string naming | |
2866 | this symbol. The second four bytes are the file offset to the | |
2867 | archive member which defines this symbol. If the second four bytes | |
2868 | are 0, then this is not actually a symbol definition, and it should | |
2869 | be ignored. | |
2870 | ||
2871 | The symbols are hashed into the armap with a closed hashing scheme. | |
2872 | See the functions below for the details of the algorithm. | |
2873 | ||
dae31cf5 ILT |
2874 | After the symbol definitions comes four bytes holding the size of |
2875 | the string table, followed by the string table itself. */ | |
2876 | ||
2877 | /* The name of an archive headers looks like this: | |
2878 | __________E[BL]E[BL]_ (with a trailing space). | |
2879 | The trailing space is changed to an X if the archive is changed to | |
48edba81 ILT |
2880 | indicate that the armap is out of date. |
2881 | ||
2882 | The Alpha seems to use ________64E[BL]E[BL]_. */ | |
dae31cf5 ILT |
2883 | |
2884 | #define ARMAP_BIG_ENDIAN 'B' | |
2885 | #define ARMAP_LITTLE_ENDIAN 'L' | |
2886 | #define ARMAP_MARKER 'E' | |
48edba81 | 2887 | #define ARMAP_START_LENGTH 10 |
dae31cf5 ILT |
2888 | #define ARMAP_HEADER_MARKER_INDEX 10 |
2889 | #define ARMAP_HEADER_ENDIAN_INDEX 11 | |
2890 | #define ARMAP_OBJECT_MARKER_INDEX 12 | |
2891 | #define ARMAP_OBJECT_ENDIAN_INDEX 13 | |
2892 | #define ARMAP_END_INDEX 14 | |
2893 | #define ARMAP_END "_ " | |
2894 | ||
2895 | /* This is a magic number used in the hashing algorithm. */ | |
2896 | #define ARMAP_HASH_MAGIC 0x9dd68ab5 | |
2897 | ||
2898 | /* This returns the hash value to use for a string. It also sets | |
2899 | *REHASH to the rehash adjustment if the first slot is taken. SIZE | |
2900 | is the number of entries in the hash table, and HLOG is the log | |
2901 | base 2 of SIZE. */ | |
2902 | ||
2903 | static unsigned int | |
2904 | ecoff_armap_hash (s, rehash, size, hlog) | |
2905 | CONST char *s; | |
2906 | unsigned int *rehash; | |
2907 | unsigned int size; | |
2908 | unsigned int hlog; | |
2909 | { | |
2910 | unsigned int hash; | |
2911 | ||
2912 | hash = *s++; | |
2913 | while (*s != '\0') | |
2914 | hash = ((hash >> 27) | (hash << 5)) + *s++; | |
2915 | hash *= ARMAP_HASH_MAGIC; | |
2916 | *rehash = (hash & (size - 1)) | 1; | |
2917 | return hash >> (32 - hlog); | |
2918 | } | |
2919 | ||
2920 | /* Read in the armap. */ | |
2921 | ||
2922 | boolean | |
75f3ef7a | 2923 | _bfd_ecoff_slurp_armap (abfd) |
dae31cf5 ILT |
2924 | bfd *abfd; |
2925 | { | |
2926 | char nextname[17]; | |
2927 | unsigned int i; | |
2928 | struct areltdata *mapdata; | |
2929 | bfd_size_type parsed_size; | |
2930 | char *raw_armap; | |
2931 | struct artdata *ardata; | |
2932 | unsigned int count; | |
2933 | char *raw_ptr; | |
2934 | struct symdef *symdef_ptr; | |
2935 | char *stringbase; | |
2936 | ||
2937 | /* Get the name of the first element. */ | |
2938 | i = bfd_read ((PTR) nextname, 1, 16, abfd); | |
2939 | if (i == 0) | |
2940 | return true; | |
2941 | if (i != 16) | |
2942 | return false; | |
2943 | ||
4002f18a ILT |
2944 | if (bfd_seek (abfd, (file_ptr) -16, SEEK_CUR) != 0) |
2945 | return false; | |
dae31cf5 | 2946 | |
8c11363a ILT |
2947 | /* Irix 4.0.5F apparently can use either an ECOFF armap or a |
2948 | standard COFF armap. We could move the ECOFF armap stuff into | |
2949 | bfd_slurp_armap, but that seems inappropriate since no other | |
2950 | target uses this format. Instead, we check directly for a COFF | |
2951 | armap. */ | |
2952 | if (strncmp (nextname, "/ ", 16) == 0) | |
2953 | return bfd_slurp_armap (abfd); | |
2954 | ||
dae31cf5 | 2955 | /* See if the first element is an armap. */ |
48edba81 ILT |
2956 | if (strncmp (nextname, ecoff_backend (abfd)->armap_start, |
2957 | ARMAP_START_LENGTH) != 0 | |
dae31cf5 ILT |
2958 | || nextname[ARMAP_HEADER_MARKER_INDEX] != ARMAP_MARKER |
2959 | || (nextname[ARMAP_HEADER_ENDIAN_INDEX] != ARMAP_BIG_ENDIAN | |
2960 | && nextname[ARMAP_HEADER_ENDIAN_INDEX] != ARMAP_LITTLE_ENDIAN) | |
2961 | || nextname[ARMAP_OBJECT_MARKER_INDEX] != ARMAP_MARKER | |
2962 | || (nextname[ARMAP_OBJECT_ENDIAN_INDEX] != ARMAP_BIG_ENDIAN | |
2963 | && nextname[ARMAP_OBJECT_ENDIAN_INDEX] != ARMAP_LITTLE_ENDIAN) | |
2964 | || strncmp (nextname + ARMAP_END_INDEX, | |
2965 | ARMAP_END, sizeof ARMAP_END - 1) != 0) | |
2966 | { | |
2967 | bfd_has_map (abfd) = false; | |
2968 | return true; | |
2969 | } | |
2970 | ||
2971 | /* Make sure we have the right byte ordering. */ | |
2972 | if (((nextname[ARMAP_HEADER_ENDIAN_INDEX] == ARMAP_BIG_ENDIAN) | |
2973 | ^ (abfd->xvec->header_byteorder_big_p != false)) | |
2974 | || ((nextname[ARMAP_OBJECT_ENDIAN_INDEX] == ARMAP_BIG_ENDIAN) | |
2975 | ^ (abfd->xvec->byteorder_big_p != false))) | |
2976 | { | |
d1ad85a6 | 2977 | bfd_set_error (bfd_error_wrong_format); |
dae31cf5 ILT |
2978 | return false; |
2979 | } | |
2980 | ||
2981 | /* Read in the armap. */ | |
2982 | ardata = bfd_ardata (abfd); | |
a877f591 | 2983 | mapdata = (struct areltdata *) _bfd_read_ar_hdr (abfd); |
dae31cf5 ILT |
2984 | if (mapdata == (struct areltdata *) NULL) |
2985 | return false; | |
2986 | parsed_size = mapdata->parsed_size; | |
2987 | bfd_release (abfd, (PTR) mapdata); | |
2988 | ||
2989 | raw_armap = (char *) bfd_alloc (abfd, parsed_size); | |
2990 | if (raw_armap == (char *) NULL) | |
a9713b91 | 2991 | return false; |
dae31cf5 ILT |
2992 | |
2993 | if (bfd_read ((PTR) raw_armap, 1, parsed_size, abfd) != parsed_size) | |
2994 | { | |
4002f18a ILT |
2995 | if (bfd_get_error () != bfd_error_system_call) |
2996 | bfd_set_error (bfd_error_malformed_archive); | |
dae31cf5 ILT |
2997 | bfd_release (abfd, (PTR) raw_armap); |
2998 | return false; | |
2999 | } | |
3000 | ||
b59f0276 ILT |
3001 | ardata->tdata = (PTR) raw_armap; |
3002 | ||
dae31cf5 ILT |
3003 | count = bfd_h_get_32 (abfd, (PTR) raw_armap); |
3004 | ||
3005 | ardata->symdef_count = 0; | |
3006 | ardata->cache = (struct ar_cache *) NULL; | |
3007 | ||
48edba81 ILT |
3008 | /* This code used to overlay the symdefs over the raw archive data, |
3009 | but that doesn't work on a 64 bit host. */ | |
3010 | ||
e544ed4f | 3011 | stringbase = raw_armap + count * 8 + 8; |
dae31cf5 ILT |
3012 | |
3013 | #ifdef CHECK_ARMAP_HASH | |
3014 | { | |
3015 | unsigned int hlog; | |
3016 | ||
3017 | /* Double check that I have the hashing algorithm right by making | |
3018 | sure that every symbol can be looked up successfully. */ | |
3019 | hlog = 0; | |
3020 | for (i = 1; i < count; i <<= 1) | |
3021 | hlog++; | |
3022 | BFD_ASSERT (i == count); | |
3023 | ||
e544ed4f ILT |
3024 | raw_ptr = raw_armap + 4; |
3025 | for (i = 0; i < count; i++, raw_ptr += 8) | |
dae31cf5 ILT |
3026 | { |
3027 | unsigned int name_offset, file_offset; | |
3028 | unsigned int hash, rehash, srch; | |
3029 | ||
3030 | name_offset = bfd_h_get_32 (abfd, (PTR) raw_ptr); | |
e544ed4f | 3031 | file_offset = bfd_h_get_32 (abfd, (PTR) (raw_ptr + 4)); |
dae31cf5 ILT |
3032 | if (file_offset == 0) |
3033 | continue; | |
3034 | hash = ecoff_armap_hash (stringbase + name_offset, &rehash, count, | |
3035 | hlog); | |
3036 | if (hash == i) | |
3037 | continue; | |
3038 | ||
3039 | /* See if we can rehash to this location. */ | |
3040 | for (srch = (hash + rehash) & (count - 1); | |
3041 | srch != hash && srch != i; | |
3042 | srch = (srch + rehash) & (count - 1)) | |
e544ed4f | 3043 | BFD_ASSERT (bfd_h_get_32 (abfd, (PTR) (raw_armap + 8 + srch * 8)) |
dae31cf5 ILT |
3044 | != 0); |
3045 | BFD_ASSERT (srch == i); | |
3046 | } | |
3047 | } | |
3048 | ||
dae31cf5 ILT |
3049 | #endif /* CHECK_ARMAP_HASH */ |
3050 | ||
e544ed4f ILT |
3051 | raw_ptr = raw_armap + 4; |
3052 | for (i = 0; i < count; i++, raw_ptr += 8) | |
3053 | if (bfd_h_get_32 (abfd, (PTR) (raw_ptr + 4)) != 0) | |
48edba81 ILT |
3054 | ++ardata->symdef_count; |
3055 | ||
3056 | symdef_ptr = ((struct symdef *) | |
3057 | bfd_alloc (abfd, | |
3058 | ardata->symdef_count * sizeof (struct symdef))); | |
9783e04a | 3059 | if (!symdef_ptr) |
a9713b91 | 3060 | return false; |
9783e04a | 3061 | |
48edba81 ILT |
3062 | ardata->symdefs = (carsym *) symdef_ptr; |
3063 | ||
e544ed4f ILT |
3064 | raw_ptr = raw_armap + 4; |
3065 | for (i = 0; i < count; i++, raw_ptr += 8) | |
dae31cf5 ILT |
3066 | { |
3067 | unsigned int name_offset, file_offset; | |
3068 | ||
e544ed4f | 3069 | file_offset = bfd_h_get_32 (abfd, (PTR) (raw_ptr + 4)); |
dae31cf5 ILT |
3070 | if (file_offset == 0) |
3071 | continue; | |
48edba81 | 3072 | name_offset = bfd_h_get_32 (abfd, (PTR) raw_ptr); |
dae31cf5 ILT |
3073 | symdef_ptr->s.name = stringbase + name_offset; |
3074 | symdef_ptr->file_offset = file_offset; | |
3075 | ++symdef_ptr; | |
dae31cf5 ILT |
3076 | } |
3077 | ||
3078 | ardata->first_file_filepos = bfd_tell (abfd); | |
3079 | /* Pad to an even boundary. */ | |
3080 | ardata->first_file_filepos += ardata->first_file_filepos % 2; | |
3081 | ||
3082 | bfd_has_map (abfd) = true; | |
3083 | ||
3084 | return true; | |
3085 | } | |
3086 | ||
3087 | /* Write out an armap. */ | |
3088 | ||
3089 | boolean | |
75f3ef7a | 3090 | _bfd_ecoff_write_armap (abfd, elength, map, orl_count, stridx) |
dae31cf5 ILT |
3091 | bfd *abfd; |
3092 | unsigned int elength; | |
3093 | struct orl *map; | |
3094 | unsigned int orl_count; | |
3095 | int stridx; | |
3096 | { | |
3097 | unsigned int hashsize, hashlog; | |
3098 | unsigned int symdefsize; | |
3099 | int padit; | |
3100 | unsigned int stringsize; | |
3101 | unsigned int mapsize; | |
3102 | file_ptr firstreal; | |
3103 | struct ar_hdr hdr; | |
3104 | struct stat statbuf; | |
3105 | unsigned int i; | |
e544ed4f | 3106 | bfd_byte temp[4]; |
dae31cf5 ILT |
3107 | bfd_byte *hashtable; |
3108 | bfd *current; | |
3109 | bfd *last_elt; | |
3110 | ||
3111 | /* Ultrix appears to use as a hash table size the least power of two | |
3112 | greater than twice the number of entries. */ | |
3113 | for (hashlog = 0; (1 << hashlog) <= 2 * orl_count; hashlog++) | |
3114 | ; | |
3115 | hashsize = 1 << hashlog; | |
3116 | ||
e544ed4f | 3117 | symdefsize = hashsize * 8; |
dae31cf5 ILT |
3118 | padit = stridx % 2; |
3119 | stringsize = stridx + padit; | |
3120 | ||
3121 | /* Include 8 bytes to store symdefsize and stringsize in output. */ | |
e544ed4f | 3122 | mapsize = symdefsize + stringsize + 8; |
dae31cf5 ILT |
3123 | |
3124 | firstreal = SARMAG + sizeof (struct ar_hdr) + mapsize + elength; | |
3125 | ||
3126 | memset ((PTR) &hdr, 0, sizeof hdr); | |
3127 | ||
3128 | /* Work out the ECOFF armap name. */ | |
48edba81 | 3129 | strcpy (hdr.ar_name, ecoff_backend (abfd)->armap_start); |
dae31cf5 ILT |
3130 | hdr.ar_name[ARMAP_HEADER_MARKER_INDEX] = ARMAP_MARKER; |
3131 | hdr.ar_name[ARMAP_HEADER_ENDIAN_INDEX] = | |
3132 | (abfd->xvec->header_byteorder_big_p | |
3133 | ? ARMAP_BIG_ENDIAN | |
3134 | : ARMAP_LITTLE_ENDIAN); | |
3135 | hdr.ar_name[ARMAP_OBJECT_MARKER_INDEX] = ARMAP_MARKER; | |
3136 | hdr.ar_name[ARMAP_OBJECT_ENDIAN_INDEX] = | |
3137 | abfd->xvec->byteorder_big_p ? ARMAP_BIG_ENDIAN : ARMAP_LITTLE_ENDIAN; | |
3138 | memcpy (hdr.ar_name + ARMAP_END_INDEX, ARMAP_END, sizeof ARMAP_END - 1); | |
3139 | ||
3140 | /* Write the timestamp of the archive header to be just a little bit | |
3141 | later than the timestamp of the file, otherwise the linker will | |
3142 | complain that the index is out of date. Actually, the Ultrix | |
3143 | linker just checks the archive name; the GNU linker may check the | |
3144 | date. */ | |
3145 | stat (abfd->filename, &statbuf); | |
3146 | sprintf (hdr.ar_date, "%ld", (long) (statbuf.st_mtime + 60)); | |
3147 | ||
3148 | /* The DECstation uses zeroes for the uid, gid and mode of the | |
3149 | armap. */ | |
3150 | hdr.ar_uid[0] = '0'; | |
3151 | hdr.ar_gid[0] = '0'; | |
3152 | hdr.ar_mode[0] = '0'; | |
3153 | ||
3154 | sprintf (hdr.ar_size, "%-10d", (int) mapsize); | |
3155 | ||
3156 | hdr.ar_fmag[0] = '`'; | |
9a793780 | 3157 | hdr.ar_fmag[1] = '\012'; |
dae31cf5 ILT |
3158 | |
3159 | /* Turn all null bytes in the header into spaces. */ | |
3160 | for (i = 0; i < sizeof (struct ar_hdr); i++) | |
3161 | if (((char *)(&hdr))[i] == '\0') | |
3162 | (((char *)(&hdr))[i]) = ' '; | |
3163 | ||
3164 | if (bfd_write ((PTR) &hdr, 1, sizeof (struct ar_hdr), abfd) | |
3165 | != sizeof (struct ar_hdr)) | |
3166 | return false; | |
3167 | ||
4c3721d5 | 3168 | bfd_h_put_32 (abfd, (bfd_vma) hashsize, temp); |
728472f1 | 3169 | if (bfd_write ((PTR) temp, 1, 4, abfd) != 4) |
dae31cf5 ILT |
3170 | return false; |
3171 | ||
3172 | hashtable = (bfd_byte *) bfd_zalloc (abfd, symdefsize); | |
9783e04a | 3173 | if (!hashtable) |
a9713b91 | 3174 | return false; |
dae31cf5 ILT |
3175 | |
3176 | current = abfd->archive_head; | |
3177 | last_elt = current; | |
3178 | for (i = 0; i < orl_count; i++) | |
3179 | { | |
3180 | unsigned int hash, rehash; | |
3181 | ||
3182 | /* Advance firstreal to the file position of this archive | |
3183 | element. */ | |
3184 | if (((bfd *) map[i].pos) != last_elt) | |
3185 | { | |
3186 | do | |
3187 | { | |
3188 | firstreal += arelt_size (current) + sizeof (struct ar_hdr); | |
3189 | firstreal += firstreal % 2; | |
3190 | current = current->next; | |
3191 | } | |
3192 | while (current != (bfd *) map[i].pos); | |
3193 | } | |
3194 | ||
3195 | last_elt = current; | |
3196 | ||
3197 | hash = ecoff_armap_hash (*map[i].name, &rehash, hashsize, hashlog); | |
e544ed4f | 3198 | if (bfd_h_get_32 (abfd, (PTR) (hashtable + (hash * 8) + 4)) != 0) |
dae31cf5 ILT |
3199 | { |
3200 | unsigned int srch; | |
3201 | ||
3202 | /* The desired slot is already taken. */ | |
3203 | for (srch = (hash + rehash) & (hashsize - 1); | |
3204 | srch != hash; | |
3205 | srch = (srch + rehash) & (hashsize - 1)) | |
e544ed4f | 3206 | if (bfd_h_get_32 (abfd, (PTR) (hashtable + (srch * 8) + 4)) == 0) |
dae31cf5 ILT |
3207 | break; |
3208 | ||
3209 | BFD_ASSERT (srch != hash); | |
3210 | ||
3211 | hash = srch; | |
3212 | } | |
3213 | ||
4c3721d5 ILT |
3214 | bfd_h_put_32 (abfd, (bfd_vma) map[i].namidx, |
3215 | (PTR) (hashtable + hash * 8)); | |
3216 | bfd_h_put_32 (abfd, (bfd_vma) firstreal, | |
3217 | (PTR) (hashtable + hash * 8 + 4)); | |
dae31cf5 ILT |
3218 | } |
3219 | ||
728472f1 | 3220 | if (bfd_write ((PTR) hashtable, 1, symdefsize, abfd) != symdefsize) |
dae31cf5 ILT |
3221 | return false; |
3222 | ||
3223 | bfd_release (abfd, hashtable); | |
3224 | ||
3225 | /* Now write the strings. */ | |
4c3721d5 | 3226 | bfd_h_put_32 (abfd, (bfd_vma) stringsize, temp); |
728472f1 | 3227 | if (bfd_write ((PTR) temp, 1, 4, abfd) != 4) |
dae31cf5 ILT |
3228 | return false; |
3229 | for (i = 0; i < orl_count; i++) | |
3230 | { | |
3231 | bfd_size_type len; | |
3232 | ||
3233 | len = strlen (*map[i].name) + 1; | |
3234 | if (bfd_write ((PTR) (*map[i].name), 1, len, abfd) != len) | |
3235 | return false; | |
3236 | } | |
3237 | ||
3238 | /* The spec sez this should be a newline. But in order to be | |
3239 | bug-compatible for DECstation ar we use a null. */ | |
3240 | if (padit) | |
3241 | { | |
728472f1 | 3242 | if (bfd_write ("", 1, 1, abfd) != 1) |
dae31cf5 ILT |
3243 | return false; |
3244 | } | |
3245 | ||
3246 | return true; | |
3247 | } | |
3248 | ||
3249 | /* See whether this BFD is an archive. If it is, read in the armap | |
3250 | and the extended name table. */ | |
3251 | ||
2f3508ad | 3252 | const bfd_target * |
75f3ef7a | 3253 | _bfd_ecoff_archive_p (abfd) |
dae31cf5 ILT |
3254 | bfd *abfd; |
3255 | { | |
3256 | char armag[SARMAG + 1]; | |
3257 | ||
3258 | if (bfd_read ((PTR) armag, 1, SARMAG, abfd) != SARMAG | |
3259 | || strncmp (armag, ARMAG, SARMAG) != 0) | |
3260 | { | |
4002f18a ILT |
3261 | if (bfd_get_error () != bfd_error_system_call) |
3262 | bfd_set_error (bfd_error_wrong_format); | |
2f3508ad | 3263 | return (const bfd_target *) NULL; |
dae31cf5 ILT |
3264 | } |
3265 | ||
3266 | /* We are setting bfd_ardata(abfd) here, but since bfd_ardata | |
3267 | involves a cast, we can't do it as the left operand of | |
3268 | assignment. */ | |
3269 | abfd->tdata.aout_ar_data = | |
3270 | (struct artdata *) bfd_zalloc (abfd, sizeof (struct artdata)); | |
3271 | ||
3272 | if (bfd_ardata (abfd) == (struct artdata *) NULL) | |
a9713b91 | 3273 | return (const bfd_target *) NULL; |
dae31cf5 ILT |
3274 | |
3275 | bfd_ardata (abfd)->first_file_filepos = SARMAG; | |
b59f0276 ILT |
3276 | bfd_ardata (abfd)->cache = NULL; |
3277 | bfd_ardata (abfd)->archive_head = NULL; | |
3278 | bfd_ardata (abfd)->symdefs = NULL; | |
3279 | bfd_ardata (abfd)->extended_names = NULL; | |
3280 | bfd_ardata (abfd)->tdata = NULL; | |
dae31cf5 | 3281 | |
75f3ef7a ILT |
3282 | if (_bfd_ecoff_slurp_armap (abfd) == false |
3283 | || _bfd_ecoff_slurp_extended_name_table (abfd) == false) | |
dae31cf5 ILT |
3284 | { |
3285 | bfd_release (abfd, bfd_ardata (abfd)); | |
3286 | abfd->tdata.aout_ar_data = (struct artdata *) NULL; | |
2f3508ad | 3287 | return (const bfd_target *) NULL; |
dae31cf5 ILT |
3288 | } |
3289 | ||
3290 | return abfd->xvec; | |
3291 | } | |
966e0a16 ILT |
3292 | \f |
3293 | /* ECOFF linker code. */ | |
3294 | ||
3295 | static struct bfd_hash_entry *ecoff_link_hash_newfunc | |
3296 | PARAMS ((struct bfd_hash_entry *entry, | |
3297 | struct bfd_hash_table *table, | |
3298 | const char *string)); | |
3299 | static boolean ecoff_link_add_archive_symbols | |
3300 | PARAMS ((bfd *, struct bfd_link_info *)); | |
3301 | static boolean ecoff_link_check_archive_element | |
3302 | PARAMS ((bfd *, struct bfd_link_info *, boolean *pneeded)); | |
3303 | static boolean ecoff_link_add_object_symbols | |
3304 | PARAMS ((bfd *, struct bfd_link_info *)); | |
3305 | static boolean ecoff_link_add_externals | |
3306 | PARAMS ((bfd *, struct bfd_link_info *, PTR, char *)); | |
3307 | ||
3308 | /* Routine to create an entry in an ECOFF link hash table. */ | |
3309 | ||
3310 | static struct bfd_hash_entry * | |
3311 | ecoff_link_hash_newfunc (entry, table, string) | |
3312 | struct bfd_hash_entry *entry; | |
3313 | struct bfd_hash_table *table; | |
3314 | const char *string; | |
3315 | { | |
3316 | struct ecoff_link_hash_entry *ret = (struct ecoff_link_hash_entry *) entry; | |
3317 | ||
3318 | /* Allocate the structure if it has not already been allocated by a | |
3319 | subclass. */ | |
3320 | if (ret == (struct ecoff_link_hash_entry *) NULL) | |
3321 | ret = ((struct ecoff_link_hash_entry *) | |
3322 | bfd_hash_allocate (table, sizeof (struct ecoff_link_hash_entry))); | |
9783e04a | 3323 | if (ret == (struct ecoff_link_hash_entry *) NULL) |
a9713b91 | 3324 | return NULL; |
966e0a16 ILT |
3325 | |
3326 | /* Call the allocation method of the superclass. */ | |
3327 | ret = ((struct ecoff_link_hash_entry *) | |
3328 | _bfd_link_hash_newfunc ((struct bfd_hash_entry *) ret, | |
3329 | table, string)); | |
3330 | ||
9783e04a DM |
3331 | if (ret) |
3332 | { | |
3333 | /* Set local fields. */ | |
3334 | ret->indx = -1; | |
3335 | ret->abfd = NULL; | |
ac9ed096 ILT |
3336 | ret->written = 0; |
3337 | ret->small = 0; | |
9783e04a | 3338 | } |
68241b2b | 3339 | memset ((PTR) &ret->esym, 0, sizeof ret->esym); |
966e0a16 ILT |
3340 | |
3341 | return (struct bfd_hash_entry *) ret; | |
3342 | } | |
3343 | ||
3344 | /* Create an ECOFF link hash table. */ | |
3345 | ||
3346 | struct bfd_link_hash_table * | |
75f3ef7a | 3347 | _bfd_ecoff_bfd_link_hash_table_create (abfd) |
966e0a16 ILT |
3348 | bfd *abfd; |
3349 | { | |
3350 | struct ecoff_link_hash_table *ret; | |
3351 | ||
3352 | ret = ((struct ecoff_link_hash_table *) | |
ae115e51 ILT |
3353 | bfd_alloc (abfd, sizeof (struct ecoff_link_hash_table))); |
3354 | if (ret == NULL) | |
a9713b91 | 3355 | return NULL; |
966e0a16 ILT |
3356 | if (! _bfd_link_hash_table_init (&ret->root, abfd, |
3357 | ecoff_link_hash_newfunc)) | |
3358 | { | |
3359 | free (ret); | |
3360 | return (struct bfd_link_hash_table *) NULL; | |
3361 | } | |
3362 | return &ret->root; | |
3363 | } | |
3364 | ||
3365 | /* Look up an entry in an ECOFF link hash table. */ | |
3366 | ||
3367 | #define ecoff_link_hash_lookup(table, string, create, copy, follow) \ | |
3368 | ((struct ecoff_link_hash_entry *) \ | |
3369 | bfd_link_hash_lookup (&(table)->root, (string), (create), (copy), (follow))) | |
3370 | ||
3371 | /* Traverse an ECOFF link hash table. */ | |
3372 | ||
3373 | #define ecoff_link_hash_traverse(table, func, info) \ | |
3374 | (bfd_link_hash_traverse \ | |
3375 | (&(table)->root, \ | |
3376 | (boolean (*) PARAMS ((struct bfd_link_hash_entry *, PTR))) (func), \ | |
3377 | (info))) | |
3378 | ||
3379 | /* Get the ECOFF link hash table from the info structure. This is | |
3380 | just a cast. */ | |
3381 | ||
3382 | #define ecoff_hash_table(p) ((struct ecoff_link_hash_table *) ((p)->hash)) | |
3383 | ||
3384 | /* Given an ECOFF BFD, add symbols to the global hash table as | |
3385 | appropriate. */ | |
3386 | ||
3387 | boolean | |
75f3ef7a | 3388 | _bfd_ecoff_bfd_link_add_symbols (abfd, info) |
966e0a16 ILT |
3389 | bfd *abfd; |
3390 | struct bfd_link_info *info; | |
3391 | { | |
3392 | switch (bfd_get_format (abfd)) | |
3393 | { | |
3394 | case bfd_object: | |
3395 | return ecoff_link_add_object_symbols (abfd, info); | |
3396 | case bfd_archive: | |
3397 | return ecoff_link_add_archive_symbols (abfd, info); | |
3398 | default: | |
d1ad85a6 | 3399 | bfd_set_error (bfd_error_wrong_format); |
966e0a16 ILT |
3400 | return false; |
3401 | } | |
3402 | } | |
3403 | ||
3404 | /* Add the symbols from an archive file to the global hash table. | |
3405 | This looks through the undefined symbols, looks each one up in the | |
3406 | archive hash table, and adds any associated object file. We do not | |
3407 | use _bfd_generic_link_add_archive_symbols because ECOFF archives | |
3408 | already have a hash table, so there is no reason to construct | |
3409 | another one. */ | |
3410 | ||
3411 | static boolean | |
3412 | ecoff_link_add_archive_symbols (abfd, info) | |
3413 | bfd *abfd; | |
3414 | struct bfd_link_info *info; | |
3415 | { | |
3416 | const bfd_byte *raw_armap; | |
3417 | struct bfd_link_hash_entry **pundef; | |
3418 | unsigned int armap_count; | |
3419 | unsigned int armap_log; | |
3420 | unsigned int i; | |
3421 | const bfd_byte *hashtable; | |
3422 | const char *stringbase; | |
3423 | ||
3424 | if (! bfd_has_map (abfd)) | |
3425 | { | |
6c97aedf ILT |
3426 | /* An empty archive is a special case. */ |
3427 | if (bfd_openr_next_archived_file (abfd, (bfd *) NULL) == NULL) | |
3428 | return true; | |
9675c281 | 3429 | bfd_set_error (bfd_error_no_armap); |
966e0a16 ILT |
3430 | return false; |
3431 | } | |
3432 | ||
3433 | /* If we don't have any raw data for this archive, as can happen on | |
3434 | Irix 4.0.5F, we call the generic routine. | |
3435 | FIXME: We should be more clever about this, since someday tdata | |
3436 | may get to something for a generic archive. */ | |
3437 | raw_armap = (const bfd_byte *) bfd_ardata (abfd)->tdata; | |
3438 | if (raw_armap == (bfd_byte *) NULL) | |
3439 | return (_bfd_generic_link_add_archive_symbols | |
3440 | (abfd, info, ecoff_link_check_archive_element)); | |
3441 | ||
3442 | armap_count = bfd_h_get_32 (abfd, raw_armap); | |
3443 | ||
3444 | armap_log = 0; | |
3445 | for (i = 1; i < armap_count; i <<= 1) | |
3446 | armap_log++; | |
3447 | BFD_ASSERT (i == armap_count); | |
3448 | ||
3449 | hashtable = raw_armap + 4; | |
3450 | stringbase = (const char *) raw_armap + armap_count * 8 + 8; | |
3451 | ||
3452 | /* Look through the list of undefined symbols. */ | |
3453 | pundef = &info->hash->undefs; | |
3454 | while (*pundef != (struct bfd_link_hash_entry *) NULL) | |
3455 | { | |
3456 | struct bfd_link_hash_entry *h; | |
3457 | unsigned int hash, rehash; | |
3458 | unsigned int file_offset; | |
3459 | const char *name; | |
3460 | bfd *element; | |
3461 | ||
3462 | h = *pundef; | |
3463 | ||
3464 | /* When a symbol is defined, it is not necessarily removed from | |
3465 | the list. */ | |
3466 | if (h->type != bfd_link_hash_undefined | |
3467 | && h->type != bfd_link_hash_common) | |
3468 | { | |
3469 | /* Remove this entry from the list, for general cleanliness | |
3470 | and because we are going to look through the list again | |
3471 | if we search any more libraries. We can't remove the | |
3472 | entry if it is the tail, because that would lose any | |
3473 | entries we add to the list later on. */ | |
3474 | if (*pundef != info->hash->undefs_tail) | |
3475 | *pundef = (*pundef)->next; | |
3476 | else | |
3477 | pundef = &(*pundef)->next; | |
3478 | continue; | |
3479 | } | |
3480 | ||
3481 | /* Native ECOFF linkers do not pull in archive elements merely | |
3482 | to satisfy common definitions, so neither do we. We leave | |
3483 | them on the list, though, in case we are linking against some | |
3484 | other object format. */ | |
3485 | if (h->type != bfd_link_hash_undefined) | |
3486 | { | |
3487 | pundef = &(*pundef)->next; | |
3488 | continue; | |
3489 | } | |
3490 | ||
3491 | /* Look for this symbol in the archive hash table. */ | |
3492 | hash = ecoff_armap_hash (h->root.string, &rehash, armap_count, | |
3493 | armap_log); | |
3494 | ||
3495 | file_offset = bfd_h_get_32 (abfd, hashtable + (hash * 8) + 4); | |
3496 | if (file_offset == 0) | |
3497 | { | |
3498 | /* Nothing in this slot. */ | |
3499 | pundef = &(*pundef)->next; | |
3500 | continue; | |
3501 | } | |
3502 | ||
3503 | name = stringbase + bfd_h_get_32 (abfd, hashtable + (hash * 8)); | |
3504 | if (name[0] != h->root.string[0] | |
3505 | || strcmp (name, h->root.string) != 0) | |
3506 | { | |
3507 | unsigned int srch; | |
3508 | boolean found; | |
3509 | ||
3510 | /* That was the wrong symbol. Try rehashing. */ | |
3511 | found = false; | |
3512 | for (srch = (hash + rehash) & (armap_count - 1); | |
3513 | srch != hash; | |
3514 | srch = (srch + rehash) & (armap_count - 1)) | |
3515 | { | |
3516 | file_offset = bfd_h_get_32 (abfd, hashtable + (srch * 8) + 4); | |
3517 | if (file_offset == 0) | |
3518 | break; | |
3519 | name = stringbase + bfd_h_get_32 (abfd, hashtable + (srch * 8)); | |
3520 | if (name[0] == h->root.string[0] | |
3521 | && strcmp (name, h->root.string) == 0) | |
3522 | { | |
3523 | found = true; | |
3524 | break; | |
3525 | } | |
3526 | } | |
3527 | ||
3528 | if (! found) | |
3529 | { | |
3530 | pundef = &(*pundef)->next; | |
3531 | continue; | |
3532 | } | |
3533 | ||
3534 | hash = srch; | |
3535 | } | |
3536 | ||
3537 | element = _bfd_get_elt_at_filepos (abfd, file_offset); | |
3538 | if (element == (bfd *) NULL) | |
3539 | return false; | |
3540 | ||
3541 | if (! bfd_check_format (element, bfd_object)) | |
3542 | return false; | |
3543 | ||
3544 | /* Unlike the generic linker, we know that this element provides | |
3545 | a definition for an undefined symbol and we know that we want | |
3546 | to include it. We don't need to check anything. */ | |
3547 | if (! (*info->callbacks->add_archive_element) (info, element, name)) | |
3548 | return false; | |
3549 | if (! ecoff_link_add_object_symbols (element, info)) | |
3550 | return false; | |
3551 | ||
3552 | pundef = &(*pundef)->next; | |
3553 | } | |
3554 | ||
3555 | return true; | |
3556 | } | |
3557 | ||
3558 | /* This is called if we used _bfd_generic_link_add_archive_symbols | |
3559 | because we were not dealing with an ECOFF archive. */ | |
3560 | ||
3561 | static boolean | |
3562 | ecoff_link_check_archive_element (abfd, info, pneeded) | |
3563 | bfd *abfd; | |
3564 | struct bfd_link_info *info; | |
3565 | boolean *pneeded; | |
3566 | { | |
3567 | const struct ecoff_backend_data * const backend = ecoff_backend (abfd); | |
3568 | void (* const swap_ext_in) PARAMS ((bfd *, PTR, EXTR *)) | |
3569 | = backend->debug_swap.swap_ext_in; | |
3570 | HDRR *symhdr; | |
3571 | bfd_size_type external_ext_size; | |
80425e6c | 3572 | PTR external_ext = NULL; |
966e0a16 | 3573 | size_t esize; |
80425e6c | 3574 | char *ssext = NULL; |
966e0a16 ILT |
3575 | char *ext_ptr; |
3576 | char *ext_end; | |
3577 | ||
3578 | *pneeded = false; | |
3579 | ||
3580 | if (! ecoff_slurp_symbolic_header (abfd)) | |
80425e6c | 3581 | goto error_return; |
966e0a16 ILT |
3582 | |
3583 | /* If there are no symbols, we don't want it. */ | |
3584 | if (bfd_get_symcount (abfd) == 0) | |
80425e6c | 3585 | goto successful_return; |
966e0a16 ILT |
3586 | |
3587 | symhdr = &ecoff_data (abfd)->debug_info.symbolic_header; | |
3588 | ||
3589 | /* Read in the external symbols and external strings. */ | |
3590 | external_ext_size = backend->debug_swap.external_ext_size; | |
3591 | esize = symhdr->iextMax * external_ext_size; | |
58142f10 | 3592 | external_ext = (PTR) bfd_malloc (esize); |
a3a33af3 | 3593 | if (external_ext == NULL && esize != 0) |
58142f10 | 3594 | goto error_return; |
80425e6c | 3595 | |
966e0a16 ILT |
3596 | if (bfd_seek (abfd, symhdr->cbExtOffset, SEEK_SET) != 0 |
3597 | || bfd_read (external_ext, 1, esize, abfd) != esize) | |
80425e6c JK |
3598 | goto error_return; |
3599 | ||
58142f10 | 3600 | ssext = (char *) bfd_malloc (symhdr->issExtMax); |
a3a33af3 | 3601 | if (ssext == NULL && symhdr->issExtMax != 0) |
58142f10 | 3602 | goto error_return; |
966e0a16 | 3603 | |
966e0a16 | 3604 | if (bfd_seek (abfd, symhdr->cbSsExtOffset, SEEK_SET) != 0 |
ae115e51 ILT |
3605 | || (bfd_read (ssext, 1, symhdr->issExtMax, abfd) != |
3606 | (bfd_size_type) symhdr->issExtMax)) | |
80425e6c | 3607 | goto error_return; |
966e0a16 ILT |
3608 | |
3609 | /* Look through the external symbols to see if they define some | |
3610 | symbol that is currently undefined. */ | |
3611 | ext_ptr = (char *) external_ext; | |
3612 | ext_end = ext_ptr + esize; | |
3613 | for (; ext_ptr < ext_end; ext_ptr += external_ext_size) | |
3614 | { | |
3615 | EXTR esym; | |
3616 | boolean def; | |
3617 | const char *name; | |
3618 | struct bfd_link_hash_entry *h; | |
3619 | ||
3620 | (*swap_ext_in) (abfd, (PTR) ext_ptr, &esym); | |
3621 | ||
3622 | /* See if this symbol defines something. */ | |
3623 | if (esym.asym.st != stGlobal | |
3624 | && esym.asym.st != stLabel | |
3625 | && esym.asym.st != stProc) | |
3626 | continue; | |
3627 | ||
3628 | switch (esym.asym.sc) | |
3629 | { | |
3630 | case scText: | |
3631 | case scData: | |
3632 | case scBss: | |
3633 | case scAbs: | |
3634 | case scSData: | |
3635 | case scSBss: | |
3636 | case scRData: | |
3637 | case scCommon: | |
3638 | case scSCommon: | |
3639 | case scInit: | |
3640 | case scFini: | |
a877f591 | 3641 | case scRConst: |
966e0a16 ILT |
3642 | def = true; |
3643 | break; | |
3644 | default: | |
3645 | def = false; | |
3646 | break; | |
3647 | } | |
3648 | ||
3649 | if (! def) | |
3650 | continue; | |
3651 | ||
3652 | name = ssext + esym.asym.iss; | |
3653 | h = bfd_link_hash_lookup (info->hash, name, false, false, true); | |
3654 | ||
3655 | /* Unlike the generic linker, we do not pull in elements because | |
3656 | of common symbols. */ | |
3657 | if (h == (struct bfd_link_hash_entry *) NULL | |
3658 | || h->type != bfd_link_hash_undefined) | |
3659 | continue; | |
3660 | ||
3661 | /* Include this element. */ | |
3662 | if (! (*info->callbacks->add_archive_element) (info, abfd, name)) | |
80425e6c | 3663 | goto error_return; |
966e0a16 | 3664 | if (! ecoff_link_add_externals (abfd, info, external_ext, ssext)) |
80425e6c | 3665 | goto error_return; |
966e0a16 ILT |
3666 | |
3667 | *pneeded = true; | |
80425e6c | 3668 | goto successful_return; |
966e0a16 ILT |
3669 | } |
3670 | ||
80425e6c JK |
3671 | successful_return: |
3672 | if (external_ext != NULL) | |
3673 | free (external_ext); | |
3674 | if (ssext != NULL) | |
3675 | free (ssext); | |
966e0a16 | 3676 | return true; |
80425e6c JK |
3677 | error_return: |
3678 | if (external_ext != NULL) | |
3679 | free (external_ext); | |
3680 | if (ssext != NULL) | |
3681 | free (ssext); | |
3682 | return false; | |
966e0a16 ILT |
3683 | } |
3684 | ||
3685 | /* Add symbols from an ECOFF object file to the global linker hash | |
3686 | table. */ | |
3687 | ||
3688 | static boolean | |
3689 | ecoff_link_add_object_symbols (abfd, info) | |
3690 | bfd *abfd; | |
3691 | struct bfd_link_info *info; | |
3692 | { | |
3693 | HDRR *symhdr; | |
3694 | bfd_size_type external_ext_size; | |
80425e6c | 3695 | PTR external_ext = NULL; |
966e0a16 | 3696 | size_t esize; |
80425e6c JK |
3697 | char *ssext = NULL; |
3698 | boolean result; | |
966e0a16 ILT |
3699 | |
3700 | if (! ecoff_slurp_symbolic_header (abfd)) | |
3701 | return false; | |
3702 | ||
3703 | /* If there are no symbols, we don't want it. */ | |
3704 | if (bfd_get_symcount (abfd) == 0) | |
3705 | return true; | |
3706 | ||
3707 | symhdr = &ecoff_data (abfd)->debug_info.symbolic_header; | |
3708 | ||
3709 | /* Read in the external symbols and external strings. */ | |
3710 | external_ext_size = ecoff_backend (abfd)->debug_swap.external_ext_size; | |
3711 | esize = symhdr->iextMax * external_ext_size; | |
58142f10 | 3712 | external_ext = (PTR) bfd_malloc (esize); |
a3a33af3 | 3713 | if (external_ext == NULL && esize != 0) |
58142f10 | 3714 | goto error_return; |
80425e6c | 3715 | |
966e0a16 ILT |
3716 | if (bfd_seek (abfd, symhdr->cbExtOffset, SEEK_SET) != 0 |
3717 | || bfd_read (external_ext, 1, esize, abfd) != esize) | |
80425e6c JK |
3718 | goto error_return; |
3719 | ||
58142f10 | 3720 | ssext = (char *) bfd_malloc (symhdr->issExtMax); |
a3a33af3 | 3721 | if (ssext == NULL && symhdr->issExtMax != 0) |
58142f10 | 3722 | goto error_return; |
966e0a16 | 3723 | |
966e0a16 | 3724 | if (bfd_seek (abfd, symhdr->cbSsExtOffset, SEEK_SET) != 0 |
ae115e51 ILT |
3725 | || (bfd_read (ssext, 1, symhdr->issExtMax, abfd) |
3726 | != (bfd_size_type) symhdr->issExtMax)) | |
80425e6c JK |
3727 | goto error_return; |
3728 | ||
3729 | result = ecoff_link_add_externals (abfd, info, external_ext, ssext); | |
3730 | ||
3731 | if (ssext != NULL) | |
3732 | free (ssext); | |
3733 | if (external_ext != NULL) | |
3734 | free (external_ext); | |
3735 | return result; | |
3736 | ||
3737 | error_return: | |
3738 | if (ssext != NULL) | |
3739 | free (ssext); | |
3740 | if (external_ext != NULL) | |
3741 | free (external_ext); | |
3742 | return false; | |
966e0a16 ILT |
3743 | } |
3744 | ||
3745 | /* Add the external symbols of an object file to the global linker | |
3746 | hash table. The external symbols and strings we are passed are | |
3747 | just allocated on the stack, and will be discarded. We must | |
3748 | explicitly save any information we may need later on in the link. | |
3749 | We do not want to read the external symbol information again. */ | |
3750 | ||
3751 | static boolean | |
3752 | ecoff_link_add_externals (abfd, info, external_ext, ssext) | |
3753 | bfd *abfd; | |
3754 | struct bfd_link_info *info; | |
3755 | PTR external_ext; | |
3756 | char *ssext; | |
3757 | { | |
3758 | const struct ecoff_backend_data * const backend = ecoff_backend (abfd); | |
3759 | void (* const swap_ext_in) PARAMS ((bfd *, PTR, EXTR *)) | |
3760 | = backend->debug_swap.swap_ext_in; | |
3761 | bfd_size_type external_ext_size = backend->debug_swap.external_ext_size; | |
3762 | unsigned long ext_count; | |
3763 | struct ecoff_link_hash_entry **sym_hash; | |
3764 | char *ext_ptr; | |
3765 | char *ext_end; | |
3766 | ||
3767 | ext_count = ecoff_data (abfd)->debug_info.symbolic_header.iextMax; | |
3768 | ||
3769 | sym_hash = ((struct ecoff_link_hash_entry **) | |
3770 | bfd_alloc (abfd, | |
3771 | ext_count * sizeof (struct bfd_link_hash_entry *))); | |
9783e04a | 3772 | if (!sym_hash) |
a9713b91 | 3773 | return false; |
966e0a16 ILT |
3774 | ecoff_data (abfd)->sym_hashes = sym_hash; |
3775 | ||
3776 | ext_ptr = (char *) external_ext; | |
3777 | ext_end = ext_ptr + ext_count * external_ext_size; | |
3778 | for (; ext_ptr < ext_end; ext_ptr += external_ext_size, sym_hash++) | |
3779 | { | |
3780 | EXTR esym; | |
3781 | boolean skip; | |
3782 | bfd_vma value; | |
3783 | asection *section; | |
3784 | const char *name; | |
3785 | struct ecoff_link_hash_entry *h; | |
3786 | ||
3787 | *sym_hash = NULL; | |
3788 | ||
3789 | (*swap_ext_in) (abfd, (PTR) ext_ptr, &esym); | |
3790 | ||
3791 | /* Skip debugging symbols. */ | |
3792 | skip = false; | |
3793 | switch (esym.asym.st) | |
3794 | { | |
3795 | case stGlobal: | |
3796 | case stStatic: | |
3797 | case stLabel: | |
3798 | case stProc: | |
3799 | case stStaticProc: | |
3800 | break; | |
3801 | default: | |
3802 | skip = true; | |
3803 | break; | |
3804 | } | |
3805 | ||
3806 | if (skip) | |
3807 | continue; | |
3808 | ||
3809 | /* Get the information for this symbol. */ | |
3810 | value = esym.asym.value; | |
3811 | switch (esym.asym.sc) | |
3812 | { | |
3813 | default: | |
3814 | case scNil: | |
3815 | case scRegister: | |
3816 | case scCdbLocal: | |
3817 | case scBits: | |
3818 | case scCdbSystem: | |
3819 | case scRegImage: | |
3820 | case scInfo: | |
3821 | case scUserStruct: | |
3822 | case scVar: | |
3823 | case scVarRegister: | |
3824 | case scVariant: | |
3825 | case scBasedVar: | |
3826 | case scXData: | |
3827 | case scPData: | |
3828 | section = NULL; | |
3829 | break; | |
3830 | case scText: | |
3831 | section = bfd_make_section_old_way (abfd, ".text"); | |
3832 | value -= section->vma; | |
3833 | break; | |
3834 | case scData: | |
3835 | section = bfd_make_section_old_way (abfd, ".data"); | |
3836 | value -= section->vma; | |
3837 | break; | |
3838 | case scBss: | |
3839 | section = bfd_make_section_old_way (abfd, ".bss"); | |
3840 | value -= section->vma; | |
3841 | break; | |
3842 | case scAbs: | |
7b18561f | 3843 | section = bfd_abs_section_ptr; |
966e0a16 ILT |
3844 | break; |
3845 | case scUndefined: | |
7b18561f | 3846 | section = bfd_und_section_ptr; |
966e0a16 ILT |
3847 | break; |
3848 | case scSData: | |
3849 | section = bfd_make_section_old_way (abfd, ".sdata"); | |
3850 | value -= section->vma; | |
3851 | break; | |
3852 | case scSBss: | |
3853 | section = bfd_make_section_old_way (abfd, ".sbss"); | |
3854 | value -= section->vma; | |
3855 | break; | |
3856 | case scRData: | |
3857 | section = bfd_make_section_old_way (abfd, ".rdata"); | |
3858 | value -= section->vma; | |
3859 | break; | |
3860 | case scCommon: | |
3861 | if (value > ecoff_data (abfd)->gp_size) | |
3862 | { | |
7b18561f | 3863 | section = bfd_com_section_ptr; |
966e0a16 ILT |
3864 | break; |
3865 | } | |
3866 | /* Fall through. */ | |
3867 | case scSCommon: | |
3868 | if (ecoff_scom_section.name == NULL) | |
3869 | { | |
3870 | /* Initialize the small common section. */ | |
3871 | ecoff_scom_section.name = SCOMMON; | |
3872 | ecoff_scom_section.flags = SEC_IS_COMMON; | |
3873 | ecoff_scom_section.output_section = &ecoff_scom_section; | |
3874 | ecoff_scom_section.symbol = &ecoff_scom_symbol; | |
3875 | ecoff_scom_section.symbol_ptr_ptr = &ecoff_scom_symbol_ptr; | |
3876 | ecoff_scom_symbol.name = SCOMMON; | |
3877 | ecoff_scom_symbol.flags = BSF_SECTION_SYM; | |
3878 | ecoff_scom_symbol.section = &ecoff_scom_section; | |
3879 | ecoff_scom_symbol_ptr = &ecoff_scom_symbol; | |
3880 | } | |
3881 | section = &ecoff_scom_section; | |
3882 | break; | |
3883 | case scSUndefined: | |
7b18561f | 3884 | section = bfd_und_section_ptr; |
966e0a16 ILT |
3885 | break; |
3886 | case scInit: | |
3887 | section = bfd_make_section_old_way (abfd, ".init"); | |
3888 | value -= section->vma; | |
3889 | break; | |
3890 | case scFini: | |
3891 | section = bfd_make_section_old_way (abfd, ".fini"); | |
3892 | value -= section->vma; | |
3893 | break; | |
a877f591 ILT |
3894 | case scRConst: |
3895 | section = bfd_make_section_old_way (abfd, ".rconst"); | |
3896 | value -= section->vma; | |
3897 | break; | |
966e0a16 ILT |
3898 | } |
3899 | ||
3900 | if (section == (asection *) NULL) | |
3901 | continue; | |
3902 | ||
3903 | name = ssext + esym.asym.iss; | |
3904 | ||
8e5090ce | 3905 | h = NULL; |
966e0a16 | 3906 | if (! (_bfd_generic_link_add_one_symbol |
0652d579 ILT |
3907 | (info, abfd, name, |
3908 | esym.weakext ? BSF_WEAK : BSF_GLOBAL, | |
3909 | section, value, (const char *) NULL, true, true, | |
966e0a16 ILT |
3910 | (struct bfd_link_hash_entry **) &h))) |
3911 | return false; | |
3912 | ||
3913 | *sym_hash = h; | |
3914 | ||
3915 | /* If we are building an ECOFF hash table, save the external | |
3916 | symbol information. */ | |
3917 | if (info->hash->creator->flavour == bfd_get_flavour (abfd)) | |
3918 | { | |
3919 | if (h->abfd == (bfd *) NULL | |
7b18561f | 3920 | || (! bfd_is_und_section (section) |
966e0a16 | 3921 | && (! bfd_is_com_section (section) |
6c97aedf ILT |
3922 | || (h->root.type != bfd_link_hash_defined |
3923 | && h->root.type != bfd_link_hash_defweak)))) | |
966e0a16 ILT |
3924 | { |
3925 | h->abfd = abfd; | |
3926 | h->esym = esym; | |
3927 | } | |
ac9ed096 ILT |
3928 | |
3929 | /* Remember whether this symbol was small undefined. */ | |
3930 | if (esym.asym.sc == scSUndefined) | |
3931 | h->small = 1; | |
3932 | ||
3933 | /* If this symbol was ever small undefined, it needs to wind | |
3934 | up in a GP relative section. We can't control the | |
3935 | section of a defined symbol, but we can control the | |
3936 | section of a common symbol. This case is actually needed | |
3937 | on Ultrix 4.2 to handle the symbol cred in -lckrb. */ | |
3938 | if (h->small | |
3939 | && h->root.type == bfd_link_hash_common | |
9675c281 | 3940 | && strcmp (h->root.u.c.p->section->name, SCOMMON) != 0) |
ac9ed096 | 3941 | { |
9675c281 ILT |
3942 | h->root.u.c.p->section = bfd_make_section_old_way (abfd, |
3943 | SCOMMON); | |
3944 | h->root.u.c.p->section->flags = SEC_ALLOC; | |
ac9ed096 ILT |
3945 | if (h->esym.asym.sc == scCommon) |
3946 | h->esym.asym.sc = scSCommon; | |
3947 | } | |
966e0a16 ILT |
3948 | } |
3949 | } | |
3950 | ||
3951 | return true; | |
3952 | } | |
3953 | \f | |
3954 | /* ECOFF final link routines. */ | |
3955 | ||
3956 | static boolean ecoff_final_link_debug_accumulate | |
3f048f7f ILT |
3957 | PARAMS ((bfd *output_bfd, bfd *input_bfd, struct bfd_link_info *, |
3958 | PTR handle)); | |
966e0a16 ILT |
3959 | static boolean ecoff_link_write_external |
3960 | PARAMS ((struct ecoff_link_hash_entry *, PTR)); | |
3961 | static boolean ecoff_indirect_link_order | |
3962 | PARAMS ((bfd *, struct bfd_link_info *, asection *, | |
3963 | struct bfd_link_order *)); | |
a3a33af3 ILT |
3964 | static boolean ecoff_reloc_link_order |
3965 | PARAMS ((bfd *, struct bfd_link_info *, asection *, | |
3966 | struct bfd_link_order *)); | |
966e0a16 ILT |
3967 | |
3968 | /* ECOFF final link routine. This looks through all the input BFDs | |
3969 | and gathers together all the debugging information, and then | |
3970 | processes all the link order information. This may cause it to | |
3971 | close and reopen some input BFDs; I'll see how bad this is. */ | |
3972 | ||
3973 | boolean | |
75f3ef7a | 3974 | _bfd_ecoff_bfd_final_link (abfd, info) |
966e0a16 ILT |
3975 | bfd *abfd; |
3976 | struct bfd_link_info *info; | |
3977 | { | |
3978 | const struct ecoff_backend_data * const backend = ecoff_backend (abfd); | |
3979 | struct ecoff_debug_info * const debug = &ecoff_data (abfd)->debug_info; | |
3980 | HDRR *symhdr; | |
3f048f7f | 3981 | PTR handle; |
966e0a16 ILT |
3982 | register bfd *input_bfd; |
3983 | asection *o; | |
3984 | struct bfd_link_order *p; | |
3985 | ||
3986 | /* We accumulate the debugging information counts in the symbolic | |
3987 | header. */ | |
3988 | symhdr = &debug->symbolic_header; | |
966e0a16 ILT |
3989 | symhdr->vstamp = 0; |
3990 | symhdr->ilineMax = 0; | |
3991 | symhdr->cbLine = 0; | |
3992 | symhdr->idnMax = 0; | |
3993 | symhdr->ipdMax = 0; | |
3994 | symhdr->isymMax = 0; | |
3995 | symhdr->ioptMax = 0; | |
3996 | symhdr->iauxMax = 0; | |
3997 | symhdr->issMax = 0; | |
3998 | symhdr->issExtMax = 0; | |
3999 | symhdr->ifdMax = 0; | |
4000 | symhdr->crfd = 0; | |
4001 | symhdr->iextMax = 0; | |
4002 | ||
4003 | /* We accumulate the debugging information itself in the debug_info | |
4004 | structure. */ | |
3f048f7f ILT |
4005 | debug->line = NULL; |
4006 | debug->external_dnr = NULL; | |
4007 | debug->external_pdr = NULL; | |
4008 | debug->external_sym = NULL; | |
4009 | debug->external_opt = NULL; | |
4010 | debug->external_aux = NULL; | |
4011 | debug->ss = NULL; | |
966e0a16 | 4012 | debug->ssext = debug->ssext_end = NULL; |
3f048f7f ILT |
4013 | debug->external_fdr = NULL; |
4014 | debug->external_rfd = NULL; | |
966e0a16 ILT |
4015 | debug->external_ext = debug->external_ext_end = NULL; |
4016 | ||
3f048f7f ILT |
4017 | handle = bfd_ecoff_debug_init (abfd, debug, &backend->debug_swap, info); |
4018 | if (handle == (PTR) NULL) | |
4019 | return false; | |
4020 | ||
966e0a16 ILT |
4021 | /* Accumulate the debugging symbols from each input BFD. */ |
4022 | for (input_bfd = info->input_bfds; | |
4023 | input_bfd != (bfd *) NULL; | |
4024 | input_bfd = input_bfd->link_next) | |
4025 | { | |
4026 | boolean ret; | |
4027 | ||
966e0a16 | 4028 | if (bfd_get_flavour (input_bfd) == bfd_target_ecoff_flavour) |
3f048f7f ILT |
4029 | { |
4030 | /* Abitrarily set the symbolic header vstamp to the vstamp | |
4031 | of the first object file in the link. */ | |
4032 | if (symhdr->vstamp == 0) | |
4033 | symhdr->vstamp | |
4034 | = ecoff_data (input_bfd)->debug_info.symbolic_header.vstamp; | |
4035 | ret = ecoff_final_link_debug_accumulate (abfd, input_bfd, info, | |
4036 | handle); | |
4037 | } | |
966e0a16 | 4038 | else |
3f048f7f ILT |
4039 | ret = bfd_ecoff_debug_accumulate_other (handle, abfd, |
4040 | debug, &backend->debug_swap, | |
4041 | input_bfd, info); | |
966e0a16 ILT |
4042 | if (! ret) |
4043 | return false; | |
4044 | ||
4045 | /* Combine the register masks. */ | |
4046 | ecoff_data (abfd)->gprmask |= ecoff_data (input_bfd)->gprmask; | |
4047 | ecoff_data (abfd)->fprmask |= ecoff_data (input_bfd)->fprmask; | |
4048 | ecoff_data (abfd)->cprmask[0] |= ecoff_data (input_bfd)->cprmask[0]; | |
4049 | ecoff_data (abfd)->cprmask[1] |= ecoff_data (input_bfd)->cprmask[1]; | |
4050 | ecoff_data (abfd)->cprmask[2] |= ecoff_data (input_bfd)->cprmask[2]; | |
4051 | ecoff_data (abfd)->cprmask[3] |= ecoff_data (input_bfd)->cprmask[3]; | |
4052 | } | |
4053 | ||
4054 | /* Write out the external symbols. */ | |
4055 | ecoff_link_hash_traverse (ecoff_hash_table (info), | |
4056 | ecoff_link_write_external, | |
4057 | (PTR) abfd); | |
4058 | ||
4059 | if (info->relocateable) | |
4060 | { | |
4061 | /* We need to make a pass over the link_orders to count up the | |
4062 | number of relocations we will need to output, so that we know | |
4063 | how much space they will take up. */ | |
4064 | for (o = abfd->sections; o != (asection *) NULL; o = o->next) | |
4065 | { | |
4066 | o->reloc_count = 0; | |
4067 | for (p = o->link_order_head; | |
4068 | p != (struct bfd_link_order *) NULL; | |
4069 | p = p->next) | |
4070 | if (p->type == bfd_indirect_link_order) | |
4071 | o->reloc_count += p->u.indirect.section->reloc_count; | |
a3a33af3 ILT |
4072 | else if (p->type == bfd_section_reloc_link_order |
4073 | || p->type == bfd_symbol_reloc_link_order) | |
4074 | ++o->reloc_count; | |
966e0a16 | 4075 | } |
3f048f7f ILT |
4076 | } |
4077 | ||
4078 | /* Compute the reloc and symbol file positions. */ | |
4079 | ecoff_compute_reloc_file_positions (abfd); | |
4080 | ||
4081 | /* Write out the debugging information. */ | |
4082 | if (! bfd_ecoff_write_accumulated_debug (handle, abfd, debug, | |
4083 | &backend->debug_swap, info, | |
4084 | ecoff_data (abfd)->sym_filepos)) | |
4085 | return false; | |
966e0a16 | 4086 | |
3f048f7f | 4087 | bfd_ecoff_debug_free (handle, abfd, debug, &backend->debug_swap, info); |
966e0a16 | 4088 | |
3f048f7f ILT |
4089 | if (info->relocateable) |
4090 | { | |
966e0a16 ILT |
4091 | /* Now reset the reloc_count field of the sections in the output |
4092 | BFD to 0, so that we can use them to keep track of how many | |
4093 | relocs we have output thus far. */ | |
4094 | for (o = abfd->sections; o != (asection *) NULL; o = o->next) | |
4095 | o->reloc_count = 0; | |
4096 | } | |
4097 | ||
4098 | /* Get a value for the GP register. */ | |
4099 | if (ecoff_data (abfd)->gp == 0) | |
4100 | { | |
4101 | struct bfd_link_hash_entry *h; | |
4102 | ||
4103 | h = bfd_link_hash_lookup (info->hash, "_gp", false, false, true); | |
4104 | if (h != (struct bfd_link_hash_entry *) NULL | |
4105 | && h->type == bfd_link_hash_defined) | |
4106 | ecoff_data (abfd)->gp = (h->u.def.value | |
4107 | + h->u.def.section->output_section->vma | |
4108 | + h->u.def.section->output_offset); | |
4109 | else if (info->relocateable) | |
4110 | { | |
4111 | bfd_vma lo; | |
4112 | ||
4113 | /* Make up a value. */ | |
4114 | lo = (bfd_vma) -1; | |
4115 | for (o = abfd->sections; o != (asection *) NULL; o = o->next) | |
4116 | { | |
4117 | if (o->vma < lo | |
4118 | && (strcmp (o->name, _SBSS) == 0 | |
4119 | || strcmp (o->name, _SDATA) == 0 | |
4120 | || strcmp (o->name, _LIT4) == 0 | |
4121 | || strcmp (o->name, _LIT8) == 0 | |
4122 | || strcmp (o->name, _LITA) == 0)) | |
4123 | lo = o->vma; | |
4124 | } | |
4125 | ecoff_data (abfd)->gp = lo + 0x8000; | |
4126 | } | |
4127 | else | |
4128 | { | |
4129 | /* If the relocate_section function needs to do a reloc | |
4130 | involving the GP value, it should make a reloc_dangerous | |
4131 | callback to warn that GP is not defined. */ | |
4132 | } | |
4133 | } | |
4134 | ||
4135 | for (o = abfd->sections; o != (asection *) NULL; o = o->next) | |
4136 | { | |
966e0a16 ILT |
4137 | for (p = o->link_order_head; |
4138 | p != (struct bfd_link_order *) NULL; | |
4139 | p = p->next) | |
4140 | { | |
966e0a16 ILT |
4141 | if (p->type == bfd_indirect_link_order |
4142 | && (bfd_get_flavour (p->u.indirect.section->owner) | |
4143 | == bfd_target_ecoff_flavour)) | |
4144 | { | |
4145 | if (! ecoff_indirect_link_order (abfd, info, o, p)) | |
4146 | return false; | |
4147 | } | |
a3a33af3 ILT |
4148 | else if (p->type == bfd_section_reloc_link_order |
4149 | || p->type == bfd_symbol_reloc_link_order) | |
4150 | { | |
4151 | if (! ecoff_reloc_link_order (abfd, info, o, p)) | |
4152 | return false; | |
4153 | } | |
966e0a16 ILT |
4154 | else |
4155 | { | |
4156 | if (! _bfd_default_link_order (abfd, info, o, p)) | |
4157 | return false; | |
4158 | } | |
4159 | } | |
4160 | } | |
4161 | ||
4162 | bfd_get_symcount (abfd) = symhdr->iextMax + symhdr->isymMax; | |
4163 | ||
469984d1 ILT |
4164 | ecoff_data (abfd)->linker = true; |
4165 | ||
966e0a16 ILT |
4166 | return true; |
4167 | } | |
4168 | ||
4169 | /* Accumulate the debugging information for an input BFD into the | |
4170 | output BFD. This must read in the symbolic information of the | |
4171 | input BFD. */ | |
4172 | ||
4173 | static boolean | |
3f048f7f | 4174 | ecoff_final_link_debug_accumulate (output_bfd, input_bfd, info, handle) |
966e0a16 ILT |
4175 | bfd *output_bfd; |
4176 | bfd *input_bfd; | |
4177 | struct bfd_link_info *info; | |
3f048f7f | 4178 | PTR handle; |
966e0a16 ILT |
4179 | { |
4180 | struct ecoff_debug_info * const debug = &ecoff_data (input_bfd)->debug_info; | |
4181 | const struct ecoff_debug_swap * const swap = | |
4182 | &ecoff_backend (input_bfd)->debug_swap; | |
4183 | HDRR *symhdr = &debug->symbolic_header; | |
4184 | boolean ret; | |
4185 | ||
4186 | #define READ(ptr, offset, count, size, type) \ | |
4187 | if (symhdr->count == 0) \ | |
4188 | debug->ptr = NULL; \ | |
4189 | else \ | |
4190 | { \ | |
58142f10 | 4191 | debug->ptr = (type) bfd_malloc ((size_t) (size * symhdr->count)); \ |
80425e6c JK |
4192 | if (debug->ptr == NULL) \ |
4193 | { \ | |
80425e6c JK |
4194 | ret = false; \ |
4195 | goto return_something; \ | |
4196 | } \ | |
966e0a16 ILT |
4197 | if ((bfd_seek (input_bfd, (file_ptr) symhdr->offset, SEEK_SET) \ |
4198 | != 0) \ | |
4199 | || (bfd_read (debug->ptr, size, symhdr->count, \ | |
4200 | input_bfd) != size * symhdr->count)) \ | |
80425e6c JK |
4201 | { \ |
4202 | ret = false; \ | |
4203 | goto return_something; \ | |
4204 | } \ | |
966e0a16 ILT |
4205 | } |
4206 | ||
a3a33af3 | 4207 | /* If raw_syments is not NULL, then the data was already by read by |
75f3ef7a | 4208 | _bfd_ecoff_slurp_symbolic_info. */ |
a3a33af3 ILT |
4209 | if (ecoff_data (input_bfd)->raw_syments == NULL) |
4210 | { | |
4211 | READ (line, cbLineOffset, cbLine, sizeof (unsigned char), | |
4212 | unsigned char *); | |
4213 | READ (external_dnr, cbDnOffset, idnMax, swap->external_dnr_size, PTR); | |
4214 | READ (external_pdr, cbPdOffset, ipdMax, swap->external_pdr_size, PTR); | |
4215 | READ (external_sym, cbSymOffset, isymMax, swap->external_sym_size, PTR); | |
4216 | READ (external_opt, cbOptOffset, ioptMax, swap->external_opt_size, PTR); | |
4217 | READ (external_aux, cbAuxOffset, iauxMax, sizeof (union aux_ext), | |
4218 | union aux_ext *); | |
4219 | READ (ss, cbSsOffset, issMax, sizeof (char), char *); | |
4220 | READ (external_fdr, cbFdOffset, ifdMax, swap->external_fdr_size, PTR); | |
4221 | READ (external_rfd, cbRfdOffset, crfd, swap->external_rfd_size, PTR); | |
4222 | } | |
966e0a16 ILT |
4223 | #undef READ |
4224 | ||
4225 | /* We do not read the external strings or the external symbols. */ | |
4226 | ||
4227 | ret = (bfd_ecoff_debug_accumulate | |
3f048f7f | 4228 | (handle, output_bfd, &ecoff_data (output_bfd)->debug_info, |
966e0a16 | 4229 | &ecoff_backend (output_bfd)->debug_swap, |
3f048f7f | 4230 | input_bfd, debug, swap, info)); |
966e0a16 | 4231 | |
80425e6c | 4232 | return_something: |
a3a33af3 ILT |
4233 | if (ecoff_data (input_bfd)->raw_syments == NULL) |
4234 | { | |
4235 | if (debug->line != NULL) | |
4236 | free (debug->line); | |
4237 | if (debug->external_dnr != NULL) | |
4238 | free (debug->external_dnr); | |
4239 | if (debug->external_pdr != NULL) | |
4240 | free (debug->external_pdr); | |
4241 | if (debug->external_sym != NULL) | |
4242 | free (debug->external_sym); | |
4243 | if (debug->external_opt != NULL) | |
4244 | free (debug->external_opt); | |
4245 | if (debug->external_aux != NULL) | |
4246 | free (debug->external_aux); | |
4247 | if (debug->ss != NULL) | |
4248 | free (debug->ss); | |
4249 | if (debug->external_fdr != NULL) | |
4250 | free (debug->external_fdr); | |
4251 | if (debug->external_rfd != NULL) | |
4252 | free (debug->external_rfd); | |
4253 | ||
4254 | /* Make sure we don't accidentally follow one of these pointers | |
4255 | into freed memory. */ | |
4256 | debug->line = NULL; | |
4257 | debug->external_dnr = NULL; | |
4258 | debug->external_pdr = NULL; | |
4259 | debug->external_sym = NULL; | |
4260 | debug->external_opt = NULL; | |
4261 | debug->external_aux = NULL; | |
4262 | debug->ss = NULL; | |
4263 | debug->external_fdr = NULL; | |
4264 | debug->external_rfd = NULL; | |
4265 | } | |
966e0a16 ILT |
4266 | |
4267 | return ret; | |
4268 | } | |
4269 | ||
4270 | /* Put out information for an external symbol. These come only from | |
4271 | the hash table. */ | |
4272 | ||
4273 | static boolean | |
4274 | ecoff_link_write_external (h, data) | |
4275 | struct ecoff_link_hash_entry *h; | |
4276 | PTR data; | |
4277 | { | |
4278 | bfd *output_bfd = (bfd *) data; | |
4279 | ||
4280 | /* FIXME: We should check if this symbol is being stripped. */ | |
4281 | ||
ac9ed096 | 4282 | if (h->written) |
966e0a16 ILT |
4283 | return true; |
4284 | ||
4285 | if (h->abfd == (bfd *) NULL) | |
4286 | { | |
4287 | h->esym.jmptbl = 0; | |
4288 | h->esym.cobol_main = 0; | |
4289 | h->esym.weakext = 0; | |
4290 | h->esym.reserved = 0; | |
4291 | h->esym.ifd = ifdNil; | |
4292 | h->esym.asym.value = 0; | |
966e0a16 | 4293 | h->esym.asym.st = stGlobal; |
a3a33af3 | 4294 | |
6c97aedf ILT |
4295 | if (h->root.type != bfd_link_hash_defined |
4296 | && h->root.type != bfd_link_hash_defweak) | |
a3a33af3 ILT |
4297 | h->esym.asym.sc = scAbs; |
4298 | else | |
4299 | { | |
4300 | asection *output_section; | |
4301 | const char *name; | |
4302 | ||
4303 | output_section = h->root.u.def.section->output_section; | |
4304 | name = bfd_section_name (output_section->owner, output_section); | |
4305 | ||
4306 | if (strcmp (name, _TEXT) == 0) | |
4307 | h->esym.asym.sc = scText; | |
4308 | else if (strcmp (name, _DATA) == 0) | |
4309 | h->esym.asym.sc = scData; | |
4310 | else if (strcmp (name, _SDATA) == 0) | |
4311 | h->esym.asym.sc = scSData; | |
4312 | else if (strcmp (name, _RDATA) == 0) | |
4313 | h->esym.asym.sc = scRData; | |
4314 | else if (strcmp (name, _BSS) == 0) | |
4315 | h->esym.asym.sc = scBss; | |
4316 | else if (strcmp (name, _SBSS) == 0) | |
4317 | h->esym.asym.sc = scSBss; | |
4318 | else if (strcmp (name, _INIT) == 0) | |
4319 | h->esym.asym.sc = scInit; | |
4320 | else if (strcmp (name, _FINI) == 0) | |
4321 | h->esym.asym.sc = scFini; | |
4322 | else if (strcmp (name, _PDATA) == 0) | |
4323 | h->esym.asym.sc = scPData; | |
4324 | else if (strcmp (name, _XDATA) == 0) | |
4325 | h->esym.asym.sc = scXData; | |
a877f591 ILT |
4326 | else if (strcmp (name, _RCONST) == 0) |
4327 | h->esym.asym.sc = scRConst; | |
a3a33af3 ILT |
4328 | else |
4329 | h->esym.asym.sc = scAbs; | |
4330 | } | |
4331 | ||
966e0a16 ILT |
4332 | h->esym.asym.reserved = 0; |
4333 | h->esym.asym.index = indexNil; | |
4334 | } | |
3f048f7f | 4335 | else if (h->esym.ifd != -1) |
966e0a16 | 4336 | { |
3f048f7f ILT |
4337 | struct ecoff_debug_info *debug; |
4338 | ||
966e0a16 ILT |
4339 | /* Adjust the FDR index for the symbol by that used for the |
4340 | input BFD. */ | |
3f048f7f ILT |
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]; | |
966e0a16 ILT |
4345 | } |
4346 | ||
4347 | switch (h->root.type) | |
4348 | { | |
4349 | default: | |
4350 | case bfd_link_hash_new: | |
4351 | abort (); | |
4352 | case bfd_link_hash_undefined: | |
6c97aedf | 4353 | case bfd_link_hash_undefweak: |
a3a33af3 ILT |
4354 | if (h->esym.asym.sc != scUndefined |
4355 | && h->esym.asym.sc != scSUndefined) | |
4356 | h->esym.asym.sc = scUndefined; | |
966e0a16 ILT |
4357 | break; |
4358 | case bfd_link_hash_defined: | |
6c97aedf | 4359 | case bfd_link_hash_defweak: |
966e0a16 ILT |
4360 | if (h->esym.asym.sc == scUndefined |
4361 | || h->esym.asym.sc == scSUndefined) | |
4362 | h->esym.asym.sc = scAbs; | |
4363 | else if (h->esym.asym.sc == scCommon) | |
4364 | h->esym.asym.sc = scBss; | |
4365 | else if (h->esym.asym.sc == scSCommon) | |
4366 | h->esym.asym.sc = scSBss; | |
4367 | h->esym.asym.value = (h->root.u.def.value | |
4368 | + h->root.u.def.section->output_section->vma | |
4369 | + h->root.u.def.section->output_offset); | |
4370 | break; | |
4371 | case bfd_link_hash_common: | |
4372 | if (h->esym.asym.sc != scCommon | |
4373 | && h->esym.asym.sc != scSCommon) | |
4374 | h->esym.asym.sc = scCommon; | |
4375 | h->esym.asym.value = h->root.u.c.size; | |
4376 | break; | |
4377 | case bfd_link_hash_indirect: | |
4378 | case bfd_link_hash_warning: | |
4379 | /* FIXME: Ignore these for now. The circumstances under which | |
4380 | they should be written out are not clear to me. */ | |
4381 | return true; | |
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; | |
ac9ed096 | 4387 | h->written = 1; |
966e0a16 ILT |
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 | ||
4395 | /* Relocate and write an ECOFF section into an ECOFF output file. */ | |
4396 | ||
4397 | static boolean | |
4398 | ecoff_indirect_link_order (output_bfd, info, output_section, link_order) | |
4399 | bfd *output_bfd; | |
4400 | struct bfd_link_info *info; | |
4401 | asection *output_section; | |
4402 | struct bfd_link_order *link_order; | |
4403 | { | |
4404 | asection *input_section; | |
4405 | bfd *input_bfd; | |
a3a33af3 ILT |
4406 | struct ecoff_section_tdata *section_tdata; |
4407 | bfd_size_type raw_size; | |
4408 | bfd_size_type cooked_size; | |
80425e6c | 4409 | bfd_byte *contents = NULL; |
966e0a16 ILT |
4410 | bfd_size_type external_reloc_size; |
4411 | bfd_size_type external_relocs_size; | |
80425e6c | 4412 | PTR external_relocs = NULL; |
966e0a16 ILT |
4413 | |
4414 | BFD_ASSERT ((output_section->flags & SEC_HAS_CONTENTS) != 0); | |
4415 | ||
4416 | if (link_order->size == 0) | |
4417 | return true; | |
4418 | ||
4419 | input_section = link_order->u.indirect.section; | |
4420 | input_bfd = input_section->owner; | |
a3a33af3 ILT |
4421 | section_tdata = ecoff_section_data (input_bfd, input_section); |
4422 | ||
4423 | raw_size = input_section->_raw_size; | |
4424 | cooked_size = input_section->_cooked_size; | |
4425 | if (cooked_size == 0) | |
4426 | cooked_size = raw_size; | |
966e0a16 ILT |
4427 | |
4428 | BFD_ASSERT (input_section->output_section == output_section); | |
4429 | BFD_ASSERT (input_section->output_offset == link_order->offset); | |
a3a33af3 ILT |
4430 | BFD_ASSERT (cooked_size == link_order->size); |
4431 | ||
4432 | /* Get the section contents. We allocate memory for the larger of | |
4433 | the size before relocating and the size after relocating. */ | |
58142f10 ILT |
4434 | contents = (bfd_byte *) bfd_malloc (raw_size >= cooked_size |
4435 | ? (size_t) raw_size | |
4436 | : (size_t) cooked_size); | |
a3a33af3 | 4437 | if (contents == NULL && raw_size != 0) |
58142f10 | 4438 | goto error_return; |
966e0a16 | 4439 | |
a3a33af3 ILT |
4440 | /* If we are relaxing, the contents may have already been read into |
4441 | memory, in which case we copy them into our new buffer. We don't | |
4442 | simply reuse the old buffer in case cooked_size > raw_size. */ | |
4443 | if (section_tdata != (struct ecoff_section_tdata *) NULL | |
4444 | && section_tdata->contents != (bfd_byte *) NULL) | |
ae115e51 | 4445 | memcpy (contents, section_tdata->contents, (size_t) raw_size); |
a3a33af3 ILT |
4446 | else |
4447 | { | |
4448 | if (! bfd_get_section_contents (input_bfd, input_section, | |
4449 | (PTR) contents, | |
4450 | (file_ptr) 0, raw_size)) | |
4451 | goto error_return; | |
4452 | } | |
4453 | ||
4454 | /* Get the relocs. If we are relaxing MIPS code, they will already | |
4455 | have been read in. Otherwise, we read them in now. */ | |
966e0a16 ILT |
4456 | external_reloc_size = ecoff_backend (input_bfd)->external_reloc_size; |
4457 | external_relocs_size = external_reloc_size * input_section->reloc_count; | |
a3a33af3 | 4458 | |
0652d579 ILT |
4459 | if (section_tdata != (struct ecoff_section_tdata *) NULL |
4460 | && section_tdata->external_relocs != NULL) | |
a3a33af3 ILT |
4461 | external_relocs = section_tdata->external_relocs; |
4462 | else | |
80425e6c | 4463 | { |
58142f10 | 4464 | external_relocs = (PTR) bfd_malloc ((size_t) external_relocs_size); |
a3a33af3 | 4465 | if (external_relocs == NULL && external_relocs_size != 0) |
58142f10 | 4466 | goto error_return; |
80425e6c | 4467 | |
a3a33af3 ILT |
4468 | if (bfd_seek (input_bfd, input_section->rel_filepos, SEEK_SET) != 0 |
4469 | || (bfd_read (external_relocs, 1, external_relocs_size, input_bfd) | |
4470 | != external_relocs_size)) | |
4471 | goto error_return; | |
4472 | } | |
966e0a16 ILT |
4473 | |
4474 | /* Relocate the section contents. */ | |
4475 | if (! ((*ecoff_backend (input_bfd)->relocate_section) | |
4476 | (output_bfd, info, input_bfd, input_section, contents, | |
4477 | external_relocs))) | |
80425e6c | 4478 | goto error_return; |
966e0a16 ILT |
4479 | |
4480 | /* Write out the relocated section. */ | |
4481 | if (! bfd_set_section_contents (output_bfd, | |
4482 | output_section, | |
4483 | (PTR) contents, | |
4484 | input_section->output_offset, | |
a3a33af3 | 4485 | cooked_size)) |
80425e6c | 4486 | goto error_return; |
966e0a16 ILT |
4487 | |
4488 | /* If we are producing relocateable output, the relocs were | |
4489 | modified, and we write them out now. We use the reloc_count | |
4490 | field of output_section to keep track of the number of relocs we | |
4491 | have output so far. */ | |
4492 | if (info->relocateable) | |
4493 | { | |
4494 | if (bfd_seek (output_bfd, | |
4495 | (output_section->rel_filepos + | |
4496 | output_section->reloc_count * external_reloc_size), | |
4497 | SEEK_SET) != 0 | |
4498 | || (bfd_write (external_relocs, 1, external_relocs_size, output_bfd) | |
4499 | != external_relocs_size)) | |
80425e6c | 4500 | goto error_return; |
966e0a16 ILT |
4501 | output_section->reloc_count += input_section->reloc_count; |
4502 | } | |
4503 | ||
80425e6c JK |
4504 | if (contents != NULL) |
4505 | free (contents); | |
a3a33af3 | 4506 | if (external_relocs != NULL && section_tdata == NULL) |
80425e6c | 4507 | free (external_relocs); |
966e0a16 | 4508 | return true; |
80425e6c JK |
4509 | |
4510 | error_return: | |
4511 | if (contents != NULL) | |
4512 | free (contents); | |
a3a33af3 | 4513 | if (external_relocs != NULL && section_tdata == NULL) |
80425e6c JK |
4514 | free (external_relocs); |
4515 | return false; | |
966e0a16 | 4516 | } |
a3a33af3 ILT |
4517 | |
4518 | /* Generate a reloc when linking an ECOFF file. This is a reloc | |
4519 | requested by the linker, and does come from any input file. This | |
4520 | is used to build constructor and destructor tables when linking | |
4521 | with -Ur. */ | |
4522 | ||
4523 | static boolean | |
4524 | ecoff_reloc_link_order (output_bfd, info, output_section, link_order) | |
4525 | bfd *output_bfd; | |
4526 | struct bfd_link_info *info; | |
4527 | asection *output_section; | |
4528 | struct bfd_link_order *link_order; | |
4529 | { | |
a877f591 ILT |
4530 | enum bfd_link_order_type type; |
4531 | asection *section; | |
4532 | bfd_vma addend; | |
a3a33af3 ILT |
4533 | arelent rel; |
4534 | struct internal_reloc in; | |
4535 | bfd_size_type external_reloc_size; | |
4536 | bfd_byte *rbuf; | |
4537 | boolean ok; | |
4538 | ||
a877f591 ILT |
4539 | type = link_order->type; |
4540 | section = NULL; | |
4541 | addend = link_order->u.reloc.p->addend; | |
4542 | ||
a3a33af3 ILT |
4543 | /* We set up an arelent to pass to the backend adjust_reloc_out |
4544 | routine. */ | |
4545 | rel.address = link_order->offset; | |
4546 | ||
4547 | rel.howto = bfd_reloc_type_lookup (output_bfd, link_order->u.reloc.p->reloc); | |
6c97aedf | 4548 | if (rel.howto == 0) |
a3a33af3 ILT |
4549 | { |
4550 | bfd_set_error (bfd_error_bad_value); | |
4551 | return false; | |
4552 | } | |
4553 | ||
a877f591 ILT |
4554 | if (type == bfd_section_reloc_link_order) |
4555 | { | |
4556 | section = link_order->u.reloc.p->u.section; | |
4557 | rel.sym_ptr_ptr = section->symbol_ptr_ptr; | |
4558 | } | |
a3a33af3 ILT |
4559 | else |
4560 | { | |
a877f591 ILT |
4561 | struct bfd_link_hash_entry *h; |
4562 | ||
4563 | /* Treat a reloc against a defined symbol as though it were | |
4564 | actually against the section. */ | |
4565 | h = bfd_link_hash_lookup (info->hash, link_order->u.reloc.p->u.name, | |
4566 | false, false, false); | |
4567 | if (h != NULL | |
4568 | && (h->type == bfd_link_hash_defined | |
4569 | || h->type == bfd_link_hash_defweak)) | |
4570 | { | |
4571 | type = bfd_section_reloc_link_order; | |
4572 | section = h->u.def.section->output_section; | |
4573 | /* It seems that we ought to add the symbol value to the | |
4574 | addend here, but in practice it has already been added | |
4575 | because it was passed to constructor_callback. */ | |
4576 | addend += section->vma + h->u.def.section->output_offset; | |
4577 | } | |
4578 | else | |
4579 | { | |
4580 | /* We can't set up a reloc against a symbol correctly, | |
4581 | because we have no asymbol structure. Currently no | |
4582 | adjust_reloc_out routine cares. */ | |
4583 | rel.sym_ptr_ptr = (asymbol **) NULL; | |
4584 | } | |
a3a33af3 ILT |
4585 | } |
4586 | ||
4587 | /* All ECOFF relocs are in-place. Put the addend into the object | |
4588 | file. */ | |
4589 | ||
4590 | BFD_ASSERT (rel.howto->partial_inplace); | |
a877f591 | 4591 | if (addend != 0) |
a3a33af3 ILT |
4592 | { |
4593 | bfd_size_type size; | |
4594 | bfd_reloc_status_type rstat; | |
4595 | bfd_byte *buf; | |
4596 | boolean ok; | |
4597 | ||
4598 | size = bfd_get_reloc_size (rel.howto); | |
4599 | buf = (bfd_byte *) bfd_zmalloc (size); | |
4600 | if (buf == (bfd_byte *) NULL) | |
a9713b91 | 4601 | return false; |
a877f591 | 4602 | rstat = _bfd_relocate_contents (rel.howto, output_bfd, addend, buf); |
a3a33af3 ILT |
4603 | switch (rstat) |
4604 | { | |
4605 | case bfd_reloc_ok: | |
4606 | break; | |
4607 | default: | |
4608 | case bfd_reloc_outofrange: | |
4609 | abort (); | |
4610 | case bfd_reloc_overflow: | |
4611 | if (! ((*info->callbacks->reloc_overflow) | |
4612 | (info, | |
4613 | (link_order->type == bfd_section_reloc_link_order | |
a877f591 | 4614 | ? bfd_section_name (output_bfd, section) |
a3a33af3 | 4615 | : link_order->u.reloc.p->u.name), |
a877f591 ILT |
4616 | rel.howto->name, addend, (bfd *) NULL, |
4617 | (asection *) NULL, (bfd_vma) 0))) | |
a3a33af3 ILT |
4618 | { |
4619 | free (buf); | |
4620 | return false; | |
4621 | } | |
4622 | break; | |
4623 | } | |
4624 | ok = bfd_set_section_contents (output_bfd, output_section, (PTR) buf, | |
4625 | (file_ptr) link_order->offset, size); | |
4626 | free (buf); | |
4627 | if (! ok) | |
4628 | return false; | |
4629 | } | |
4630 | ||
4631 | rel.addend = 0; | |
4632 | ||
4633 | /* Move the information into a internal_reloc structure. */ | |
4634 | in.r_vaddr = (rel.address | |
4635 | + bfd_get_section_vma (output_bfd, output_section)); | |
4636 | in.r_type = rel.howto->type; | |
4637 | ||
a877f591 | 4638 | if (type == bfd_symbol_reloc_link_order) |
a3a33af3 ILT |
4639 | { |
4640 | struct ecoff_link_hash_entry *h; | |
4641 | ||
4642 | h = ecoff_link_hash_lookup (ecoff_hash_table (info), | |
4643 | link_order->u.reloc.p->u.name, | |
4644 | false, false, true); | |
4645 | if (h != (struct ecoff_link_hash_entry *) NULL | |
4646 | && h->indx != -1) | |
4647 | in.r_symndx = h->indx; | |
4648 | else | |
4649 | { | |
4650 | if (! ((*info->callbacks->unattached_reloc) | |
4651 | (info, link_order->u.reloc.p->u.name, (bfd *) NULL, | |
4652 | (asection *) NULL, (bfd_vma) 0))) | |
4653 | return false; | |
4654 | in.r_symndx = 0; | |
4655 | } | |
4656 | in.r_extern = 1; | |
4657 | } | |
4658 | else | |
4659 | { | |
4660 | CONST char *name; | |
4661 | ||
a877f591 | 4662 | name = bfd_get_section_name (output_bfd, section); |
a3a33af3 ILT |
4663 | if (strcmp (name, ".text") == 0) |
4664 | in.r_symndx = RELOC_SECTION_TEXT; | |
4665 | else if (strcmp (name, ".rdata") == 0) | |
4666 | in.r_symndx = RELOC_SECTION_RDATA; | |
4667 | else if (strcmp (name, ".data") == 0) | |
4668 | in.r_symndx = RELOC_SECTION_DATA; | |
4669 | else if (strcmp (name, ".sdata") == 0) | |
4670 | in.r_symndx = RELOC_SECTION_SDATA; | |
4671 | else if (strcmp (name, ".sbss") == 0) | |
4672 | in.r_symndx = RELOC_SECTION_SBSS; | |
4673 | else if (strcmp (name, ".bss") == 0) | |
4674 | in.r_symndx = RELOC_SECTION_BSS; | |
4675 | else if (strcmp (name, ".init") == 0) | |
4676 | in.r_symndx = RELOC_SECTION_INIT; | |
4677 | else if (strcmp (name, ".lit8") == 0) | |
4678 | in.r_symndx = RELOC_SECTION_LIT8; | |
4679 | else if (strcmp (name, ".lit4") == 0) | |
4680 | in.r_symndx = RELOC_SECTION_LIT4; | |
4681 | else if (strcmp (name, ".xdata") == 0) | |
4682 | in.r_symndx = RELOC_SECTION_XDATA; | |
4683 | else if (strcmp (name, ".pdata") == 0) | |
4684 | in.r_symndx = RELOC_SECTION_PDATA; | |
4685 | else if (strcmp (name, ".fini") == 0) | |
4686 | in.r_symndx = RELOC_SECTION_FINI; | |
4687 | else if (strcmp (name, ".lita") == 0) | |
4688 | in.r_symndx = RELOC_SECTION_LITA; | |
4689 | else if (strcmp (name, "*ABS*") == 0) | |
4690 | in.r_symndx = RELOC_SECTION_ABS; | |
a877f591 ILT |
4691 | else if (strcmp (name, ".rconst") == 0) |
4692 | in.r_symndx = RELOC_SECTION_RCONST; | |
a3a33af3 ILT |
4693 | else |
4694 | abort (); | |
4695 | in.r_extern = 0; | |
4696 | } | |
4697 | ||
4698 | /* Let the BFD backend adjust the reloc. */ | |
4699 | (*ecoff_backend (output_bfd)->adjust_reloc_out) (output_bfd, &rel, &in); | |
4700 | ||
4701 | /* Get some memory and swap out the reloc. */ | |
4702 | external_reloc_size = ecoff_backend (output_bfd)->external_reloc_size; | |
58142f10 | 4703 | rbuf = (bfd_byte *) bfd_malloc ((size_t) external_reloc_size); |
a3a33af3 | 4704 | if (rbuf == (bfd_byte *) NULL) |
58142f10 | 4705 | return false; |
a3a33af3 ILT |
4706 | |
4707 | (*ecoff_backend (output_bfd)->swap_reloc_out) (output_bfd, &in, (PTR) rbuf); | |
4708 | ||
4709 | ok = (bfd_seek (output_bfd, | |
4710 | (output_section->rel_filepos + | |
4711 | output_section->reloc_count * external_reloc_size), | |
4712 | SEEK_SET) == 0 | |
4713 | && (bfd_write ((PTR) rbuf, 1, external_reloc_size, output_bfd) | |
4714 | == external_reloc_size)); | |
4715 | ||
4716 | if (ok) | |
4717 | ++output_section->reloc_count; | |
4718 | ||
4719 | free (rbuf); | |
4720 | ||
4721 | return ok; | |
4722 | } |