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. */ | |
80425e6c JK |
468 | raw = (PTR) malloc ((size_t) external_hdr_size); |
469 | if (raw == NULL) | |
470 | { | |
471 | bfd_set_error (bfd_error_no_memory); | |
472 | goto error_return; | |
473 | } | |
474 | ||
dae31cf5 ILT |
475 | if (bfd_seek (abfd, ecoff_data (abfd)->sym_filepos, SEEK_SET) == -1 |
476 | || (bfd_read (raw, external_hdr_size, 1, abfd) | |
477 | != external_hdr_size)) | |
25057836 | 478 | goto error_return; |
c9668c58 ILT |
479 | internal_symhdr = &ecoff_data (abfd)->debug_info.symbolic_header; |
480 | (*backend->debug_swap.swap_hdr_in) (abfd, raw, internal_symhdr); | |
dae31cf5 | 481 | |
c9668c58 | 482 | if (internal_symhdr->magic != backend->debug_swap.sym_magic) |
dae31cf5 | 483 | { |
d1ad85a6 | 484 | bfd_set_error (bfd_error_bad_value); |
80425e6c | 485 | goto error_return; |
dae31cf5 ILT |
486 | } |
487 | ||
488 | /* Now we can get the correct number of symbols. */ | |
489 | bfd_get_symcount (abfd) = (internal_symhdr->isymMax | |
490 | + internal_symhdr->iextMax); | |
491 | ||
80425e6c JK |
492 | if (raw != NULL) |
493 | free (raw); | |
966e0a16 | 494 | return true; |
80425e6c JK |
495 | error_return: |
496 | if (raw != NULL) | |
497 | free (raw); | |
498 | return false; | |
966e0a16 ILT |
499 | } |
500 | ||
501 | /* Read in and swap the important symbolic information for an ECOFF | |
aac6b32f ILT |
502 | object file. This is called by gdb via the read_debug_info entry |
503 | point in the backend structure. */ | |
966e0a16 | 504 | |
aac6b32f | 505 | /*ARGSUSED*/ |
966e0a16 | 506 | boolean |
75f3ef7a | 507 | _bfd_ecoff_slurp_symbolic_info (abfd, ignore, debug) |
966e0a16 | 508 | bfd *abfd; |
aac6b32f ILT |
509 | asection *ignore; |
510 | struct ecoff_debug_info *debug; | |
966e0a16 ILT |
511 | { |
512 | const struct ecoff_backend_data * const backend = ecoff_backend (abfd); | |
513 | HDRR *internal_symhdr; | |
514 | bfd_size_type raw_base; | |
515 | bfd_size_type raw_size; | |
516 | PTR raw; | |
517 | bfd_size_type external_fdr_size; | |
518 | char *fraw_src; | |
519 | char *fraw_end; | |
520 | struct fdr *fdr_ptr; | |
521 | bfd_size_type raw_end; | |
522 | bfd_size_type cb_end; | |
523 | ||
aac6b32f ILT |
524 | BFD_ASSERT (debug == &ecoff_data (abfd)->debug_info); |
525 | ||
966e0a16 ILT |
526 | /* Check whether we've already gotten it, and whether there's any to |
527 | get. */ | |
528 | if (ecoff_data (abfd)->raw_syments != (PTR) NULL) | |
529 | return true; | |
530 | if (ecoff_data (abfd)->sym_filepos == 0) | |
531 | { | |
532 | bfd_get_symcount (abfd) = 0; | |
533 | return true; | |
534 | } | |
535 | ||
536 | if (! ecoff_slurp_symbolic_header (abfd)) | |
537 | return false; | |
538 | ||
aac6b32f | 539 | internal_symhdr = &debug->symbolic_header; |
966e0a16 | 540 | |
dae31cf5 | 541 | /* Read all the symbolic information at once. */ |
966e0a16 ILT |
542 | raw_base = (ecoff_data (abfd)->sym_filepos |
543 | + backend->debug_swap.external_hdr_size); | |
dae31cf5 | 544 | |
a7853216 ILT |
545 | /* Alpha ecoff makes the determination of raw_size difficult. It has |
546 | an undocumented debug data section between the symhdr and the first | |
547 | documented section. And the ordering of the sections varies between | |
548 | statically and dynamically linked executables. | |
549 | If bfd supports SEEK_END someday, this code could be simplified. */ | |
550 | ||
551 | raw_end = 0; | |
552 | ||
553 | #define UPDATE_RAW_END(start, count, size) \ | |
554 | cb_end = internal_symhdr->start + internal_symhdr->count * (size); \ | |
555 | if (cb_end > raw_end) \ | |
556 | raw_end = cb_end | |
557 | ||
558 | UPDATE_RAW_END (cbLineOffset, cbLine, sizeof (unsigned char)); | |
c9668c58 ILT |
559 | UPDATE_RAW_END (cbDnOffset, idnMax, backend->debug_swap.external_dnr_size); |
560 | UPDATE_RAW_END (cbPdOffset, ipdMax, backend->debug_swap.external_pdr_size); | |
561 | UPDATE_RAW_END (cbSymOffset, isymMax, backend->debug_swap.external_sym_size); | |
562 | UPDATE_RAW_END (cbOptOffset, ioptMax, backend->debug_swap.external_opt_size); | |
a7853216 ILT |
563 | UPDATE_RAW_END (cbAuxOffset, iauxMax, sizeof (union aux_ext)); |
564 | UPDATE_RAW_END (cbSsOffset, issMax, sizeof (char)); | |
565 | UPDATE_RAW_END (cbSsExtOffset, issExtMax, sizeof (char)); | |
c9668c58 ILT |
566 | UPDATE_RAW_END (cbFdOffset, ifdMax, backend->debug_swap.external_fdr_size); |
567 | UPDATE_RAW_END (cbRfdOffset, crfd, backend->debug_swap.external_rfd_size); | |
568 | UPDATE_RAW_END (cbExtOffset, iextMax, backend->debug_swap.external_ext_size); | |
a7853216 ILT |
569 | |
570 | #undef UPDATE_RAW_END | |
571 | ||
572 | raw_size = raw_end - raw_base; | |
dae31cf5 ILT |
573 | if (raw_size == 0) |
574 | { | |
575 | ecoff_data (abfd)->sym_filepos = 0; | |
576 | return true; | |
577 | } | |
578 | raw = (PTR) bfd_alloc (abfd, raw_size); | |
579 | if (raw == NULL) | |
a9713b91 | 580 | return false; |
966e0a16 ILT |
581 | if (bfd_seek (abfd, |
582 | (ecoff_data (abfd)->sym_filepos | |
583 | + backend->debug_swap.external_hdr_size), | |
584 | SEEK_SET) != 0 | |
585 | || bfd_read (raw, raw_size, 1, abfd) != raw_size) | |
dae31cf5 | 586 | { |
dae31cf5 ILT |
587 | bfd_release (abfd, raw); |
588 | return false; | |
589 | } | |
590 | ||
dae31cf5 ILT |
591 | ecoff_data (abfd)->raw_syments = raw; |
592 | ||
593 | /* Get pointers for the numeric offsets in the HDRR structure. */ | |
594 | #define FIX(off1, off2, type) \ | |
595 | if (internal_symhdr->off1 == 0) \ | |
aac6b32f | 596 | debug->off2 = (type) NULL; \ |
dae31cf5 | 597 | else \ |
aac6b32f | 598 | debug->off2 = (type) ((char *) raw \ |
ae115e51 ILT |
599 | + (internal_symhdr->off1 \ |
600 | - raw_base)) | |
dae31cf5 ILT |
601 | FIX (cbLineOffset, line, unsigned char *); |
602 | FIX (cbDnOffset, external_dnr, PTR); | |
603 | FIX (cbPdOffset, external_pdr, PTR); | |
604 | FIX (cbSymOffset, external_sym, PTR); | |
605 | FIX (cbOptOffset, external_opt, PTR); | |
606 | FIX (cbAuxOffset, external_aux, union aux_ext *); | |
607 | FIX (cbSsOffset, ss, char *); | |
608 | FIX (cbSsExtOffset, ssext, char *); | |
609 | FIX (cbFdOffset, external_fdr, PTR); | |
610 | FIX (cbRfdOffset, external_rfd, PTR); | |
611 | FIX (cbExtOffset, external_ext, PTR); | |
612 | #undef FIX | |
613 | ||
614 | /* I don't want to always swap all the data, because it will just | |
615 | waste time and most programs will never look at it. The only | |
616 | time the linker needs most of the debugging information swapped | |
617 | is when linking big-endian and little-endian MIPS object files | |
618 | together, which is not a common occurrence. | |
619 | ||
620 | We need to look at the fdr to deal with a lot of information in | |
621 | the symbols, so we swap them here. */ | |
aac6b32f ILT |
622 | debug->fdr = (struct fdr *) bfd_alloc (abfd, |
623 | (internal_symhdr->ifdMax * | |
624 | sizeof (struct fdr))); | |
625 | if (debug->fdr == NULL) | |
a9713b91 | 626 | return false; |
c9668c58 | 627 | external_fdr_size = backend->debug_swap.external_fdr_size; |
aac6b32f ILT |
628 | fdr_ptr = debug->fdr; |
629 | fraw_src = (char *) debug->external_fdr; | |
dae31cf5 ILT |
630 | fraw_end = fraw_src + internal_symhdr->ifdMax * external_fdr_size; |
631 | for (; fraw_src < fraw_end; fraw_src += external_fdr_size, fdr_ptr++) | |
c9668c58 | 632 | (*backend->debug_swap.swap_fdr_in) (abfd, (PTR) fraw_src, fdr_ptr); |
dae31cf5 ILT |
633 | |
634 | return true; | |
635 | } | |
636 | \f | |
637 | /* ECOFF symbol table routines. The ECOFF symbol table is described | |
638 | in gcc/mips-tfile.c. */ | |
639 | ||
640 | /* ECOFF uses two common sections. One is the usual one, and the | |
641 | other is for small objects. All the small objects are kept | |
642 | together, and then referenced via the gp pointer, which yields | |
643 | faster assembler code. This is what we use for the small common | |
644 | section. */ | |
645 | static asection ecoff_scom_section; | |
646 | static asymbol ecoff_scom_symbol; | |
647 | static asymbol *ecoff_scom_symbol_ptr; | |
648 | ||
649 | /* Create an empty symbol. */ | |
650 | ||
651 | asymbol * | |
75f3ef7a | 652 | _bfd_ecoff_make_empty_symbol (abfd) |
dae31cf5 ILT |
653 | bfd *abfd; |
654 | { | |
655 | ecoff_symbol_type *new; | |
656 | ||
657 | new = (ecoff_symbol_type *) bfd_alloc (abfd, sizeof (ecoff_symbol_type)); | |
658 | if (new == (ecoff_symbol_type *) NULL) | |
a9713b91 | 659 | return (asymbol *) NULL; |
68241b2b | 660 | memset ((PTR) new, 0, sizeof *new); |
dae31cf5 ILT |
661 | new->symbol.section = (asection *) NULL; |
662 | new->fdr = (FDR *) NULL; | |
663 | new->local = false; | |
664 | new->native = NULL; | |
665 | new->symbol.the_bfd = abfd; | |
666 | return &new->symbol; | |
667 | } | |
668 | ||
669 | /* Set the BFD flags and section for an ECOFF symbol. */ | |
670 | ||
9783e04a | 671 | static boolean |
0652d579 | 672 | ecoff_set_symbol_info (abfd, ecoff_sym, asym, ext, weak) |
dae31cf5 ILT |
673 | bfd *abfd; |
674 | SYMR *ecoff_sym; | |
675 | asymbol *asym; | |
676 | int ext; | |
0652d579 | 677 | int weak; |
dae31cf5 ILT |
678 | { |
679 | asym->the_bfd = abfd; | |
680 | asym->value = ecoff_sym->value; | |
681 | asym->section = &bfd_debug_section; | |
a56f23ae | 682 | asym->udata.i = 0; |
dae31cf5 | 683 | |
dae31cf5 ILT |
684 | /* Most symbol types are just for debugging. */ |
685 | switch (ecoff_sym->st) | |
686 | { | |
687 | case stGlobal: | |
688 | case stStatic: | |
689 | case stLabel: | |
690 | case stProc: | |
691 | case stStaticProc: | |
692 | break; | |
693 | case stNil: | |
694 | if (ECOFF_IS_STAB (ecoff_sym)) | |
695 | { | |
696 | asym->flags = BSF_DEBUGGING; | |
9783e04a | 697 | return true; |
dae31cf5 ILT |
698 | } |
699 | break; | |
700 | default: | |
701 | asym->flags = BSF_DEBUGGING; | |
9783e04a | 702 | return true; |
dae31cf5 ILT |
703 | } |
704 | ||
0652d579 ILT |
705 | if (weak) |
706 | asym->flags = BSF_EXPORT | BSF_WEAK; | |
707 | else if (ext) | |
dae31cf5 ILT |
708 | asym->flags = BSF_EXPORT | BSF_GLOBAL; |
709 | else | |
7b18561f ILT |
710 | { |
711 | asym->flags = BSF_LOCAL; | |
712 | /* Normally, a local stProc symbol will have a corresponding | |
713 | external symbol. We mark the local symbol as a debugging | |
714 | symbol, in order to prevent nm from printing both out. | |
a56f23ae ILT |
715 | Similarly, we mark stLabel and stabs symbols as debugging |
716 | symbols. In both cases, we do want to set the value | |
717 | correctly based on the symbol class. */ | |
7b18561f | 718 | if (ecoff_sym->st == stProc |
a56f23ae ILT |
719 | || ecoff_sym->st == stLabel |
720 | || ECOFF_IS_STAB (ecoff_sym)) | |
7b18561f ILT |
721 | asym->flags |= BSF_DEBUGGING; |
722 | } | |
dae31cf5 ILT |
723 | switch (ecoff_sym->sc) |
724 | { | |
725 | case scNil: | |
726 | /* Used for compiler generated labels. Leave them in the | |
727 | debugging section, and mark them as local. If BSF_DEBUGGING | |
728 | is set, then nm does not display them for some reason. If no | |
729 | flags are set then the linker whines about them. */ | |
730 | asym->flags = BSF_LOCAL; | |
731 | break; | |
732 | case scText: | |
733 | asym->section = bfd_make_section_old_way (abfd, ".text"); | |
734 | asym->value -= asym->section->vma; | |
735 | break; | |
736 | case scData: | |
737 | asym->section = bfd_make_section_old_way (abfd, ".data"); | |
738 | asym->value -= asym->section->vma; | |
739 | break; | |
740 | case scBss: | |
70bec8b8 ILT |
741 | asym->section = bfd_make_section_old_way (abfd, ".bss"); |
742 | asym->value -= asym->section->vma; | |
dae31cf5 ILT |
743 | break; |
744 | case scRegister: | |
745 | asym->flags = BSF_DEBUGGING; | |
746 | break; | |
747 | case scAbs: | |
7b18561f | 748 | asym->section = bfd_abs_section_ptr; |
dae31cf5 ILT |
749 | break; |
750 | case scUndefined: | |
7b18561f | 751 | asym->section = bfd_und_section_ptr; |
dae31cf5 ILT |
752 | asym->flags = 0; |
753 | asym->value = 0; | |
754 | break; | |
755 | case scCdbLocal: | |
756 | case scBits: | |
757 | case scCdbSystem: | |
758 | case scRegImage: | |
759 | case scInfo: | |
760 | case scUserStruct: | |
761 | asym->flags = BSF_DEBUGGING; | |
762 | break; | |
763 | case scSData: | |
764 | asym->section = bfd_make_section_old_way (abfd, ".sdata"); | |
765 | asym->value -= asym->section->vma; | |
766 | break; | |
767 | case scSBss: | |
768 | asym->section = bfd_make_section_old_way (abfd, ".sbss"); | |
70bec8b8 | 769 | asym->value -= asym->section->vma; |
dae31cf5 ILT |
770 | break; |
771 | case scRData: | |
772 | asym->section = bfd_make_section_old_way (abfd, ".rdata"); | |
773 | asym->value -= asym->section->vma; | |
774 | break; | |
775 | case scVar: | |
776 | asym->flags = BSF_DEBUGGING; | |
777 | break; | |
778 | case scCommon: | |
779 | if (asym->value > ecoff_data (abfd)->gp_size) | |
780 | { | |
7b18561f | 781 | asym->section = bfd_com_section_ptr; |
dae31cf5 ILT |
782 | asym->flags = 0; |
783 | break; | |
784 | } | |
785 | /* Fall through. */ | |
786 | case scSCommon: | |
787 | if (ecoff_scom_section.name == NULL) | |
788 | { | |
789 | /* Initialize the small common section. */ | |
790 | ecoff_scom_section.name = SCOMMON; | |
791 | ecoff_scom_section.flags = SEC_IS_COMMON; | |
792 | ecoff_scom_section.output_section = &ecoff_scom_section; | |
793 | ecoff_scom_section.symbol = &ecoff_scom_symbol; | |
794 | ecoff_scom_section.symbol_ptr_ptr = &ecoff_scom_symbol_ptr; | |
795 | ecoff_scom_symbol.name = SCOMMON; | |
796 | ecoff_scom_symbol.flags = BSF_SECTION_SYM; | |
797 | ecoff_scom_symbol.section = &ecoff_scom_section; | |
798 | ecoff_scom_symbol_ptr = &ecoff_scom_symbol; | |
799 | } | |
800 | asym->section = &ecoff_scom_section; | |
801 | asym->flags = 0; | |
802 | break; | |
803 | case scVarRegister: | |
804 | case scVariant: | |
805 | asym->flags = BSF_DEBUGGING; | |
806 | break; | |
807 | case scSUndefined: | |
7b18561f | 808 | asym->section = bfd_und_section_ptr; |
dae31cf5 ILT |
809 | asym->flags = 0; |
810 | asym->value = 0; | |
811 | break; | |
812 | case scInit: | |
813 | asym->section = bfd_make_section_old_way (abfd, ".init"); | |
814 | asym->value -= asym->section->vma; | |
815 | break; | |
816 | case scBasedVar: | |
817 | case scXData: | |
818 | case scPData: | |
819 | asym->flags = BSF_DEBUGGING; | |
820 | break; | |
821 | case scFini: | |
822 | asym->section = bfd_make_section_old_way (abfd, ".fini"); | |
823 | asym->value -= asym->section->vma; | |
824 | break; | |
a877f591 ILT |
825 | case scRConst: |
826 | asym->section = bfd_make_section_old_way (abfd, ".rconst"); | |
827 | asym->value -= asym->section->vma; | |
828 | break; | |
dae31cf5 ILT |
829 | default: |
830 | break; | |
831 | } | |
832 | ||
833 | /* Look for special constructors symbols and make relocation entries | |
834 | in a special construction section. These are produced by the | |
835 | -fgnu-linker argument to g++. */ | |
836 | if (ECOFF_IS_STAB (ecoff_sym)) | |
837 | { | |
838 | switch (ECOFF_UNMARK_STAB (ecoff_sym->index)) | |
839 | { | |
840 | default: | |
841 | break; | |
842 | ||
843 | case N_SETA: | |
844 | case N_SETT: | |
845 | case N_SETD: | |
846 | case N_SETB: | |
847 | { | |
848 | const char *name; | |
849 | asection *section; | |
850 | arelent_chain *reloc_chain; | |
851 | unsigned int bitsize; | |
dae31cf5 ILT |
852 | |
853 | /* Get a section with the same name as the symbol (usually | |
854 | __CTOR_LIST__ or __DTOR_LIST__). FIXME: gcc uses the | |
855 | name ___CTOR_LIST (three underscores). We need | |
856 | __CTOR_LIST (two underscores), since ECOFF doesn't use | |
857 | a leading underscore. This should be handled by gcc, | |
858 | but instead we do it here. Actually, this should all | |
859 | be done differently anyhow. */ | |
860 | name = bfd_asymbol_name (asym); | |
861 | if (name[0] == '_' && name[1] == '_' && name[2] == '_') | |
862 | { | |
863 | ++name; | |
864 | asym->name = name; | |
865 | } | |
866 | section = bfd_get_section_by_name (abfd, name); | |
867 | if (section == (asection *) NULL) | |
868 | { | |
869 | char *copy; | |
870 | ||
871 | copy = (char *) bfd_alloc (abfd, strlen (name) + 1); | |
9783e04a | 872 | if (!copy) |
a9713b91 | 873 | return false; |
dae31cf5 ILT |
874 | strcpy (copy, name); |
875 | section = bfd_make_section (abfd, copy); | |
876 | } | |
877 | ||
878 | /* Build a reloc pointing to this constructor. */ | |
879 | reloc_chain = | |
880 | (arelent_chain *) bfd_alloc (abfd, sizeof (arelent_chain)); | |
9783e04a | 881 | if (!reloc_chain) |
a9713b91 | 882 | return false; |
dae31cf5 ILT |
883 | reloc_chain->relent.sym_ptr_ptr = |
884 | bfd_get_section (asym)->symbol_ptr_ptr; | |
885 | reloc_chain->relent.address = section->_raw_size; | |
886 | reloc_chain->relent.addend = asym->value; | |
8f46bac8 ILT |
887 | reloc_chain->relent.howto = |
888 | ecoff_backend (abfd)->constructor_reloc; | |
dae31cf5 ILT |
889 | |
890 | /* Set up the constructor section to hold the reloc. */ | |
891 | section->flags = SEC_CONSTRUCTOR; | |
892 | ++section->reloc_count; | |
893 | ||
894 | /* Constructor sections must be rounded to a boundary | |
895 | based on the bitsize. These are not real sections-- | |
896 | they are handled specially by the linker--so the ECOFF | |
897 | 16 byte alignment restriction does not apply. */ | |
8f46bac8 | 898 | bitsize = ecoff_backend (abfd)->constructor_bitsize; |
dae31cf5 ILT |
899 | section->alignment_power = 1; |
900 | while ((1 << section->alignment_power) < bitsize / 8) | |
901 | ++section->alignment_power; | |
902 | ||
903 | reloc_chain->next = section->constructor_chain; | |
904 | section->constructor_chain = reloc_chain; | |
905 | section->_raw_size += bitsize / 8; | |
906 | ||
907 | /* Mark the symbol as a constructor. */ | |
908 | asym->flags |= BSF_CONSTRUCTOR; | |
909 | } | |
910 | break; | |
911 | } | |
912 | } | |
9783e04a | 913 | return true; |
dae31cf5 ILT |
914 | } |
915 | ||
916 | /* Read an ECOFF symbol table. */ | |
917 | ||
918 | boolean | |
75f3ef7a | 919 | _bfd_ecoff_slurp_symbol_table (abfd) |
dae31cf5 ILT |
920 | bfd *abfd; |
921 | { | |
922 | const struct ecoff_backend_data * const backend = ecoff_backend (abfd); | |
c9668c58 ILT |
923 | const bfd_size_type external_ext_size |
924 | = backend->debug_swap.external_ext_size; | |
925 | const bfd_size_type external_sym_size | |
926 | = backend->debug_swap.external_sym_size; | |
dae31cf5 | 927 | void (* const swap_ext_in) PARAMS ((bfd *, PTR, EXTR *)) |
c9668c58 | 928 | = backend->debug_swap.swap_ext_in; |
dae31cf5 | 929 | void (* const swap_sym_in) PARAMS ((bfd *, PTR, SYMR *)) |
c9668c58 | 930 | = backend->debug_swap.swap_sym_in; |
dae31cf5 ILT |
931 | bfd_size_type internal_size; |
932 | ecoff_symbol_type *internal; | |
933 | ecoff_symbol_type *internal_ptr; | |
dae31cf5 ILT |
934 | char *eraw_src; |
935 | char *eraw_end; | |
936 | FDR *fdr_ptr; | |
937 | FDR *fdr_end; | |
938 | ||
939 | /* If we've already read in the symbol table, do nothing. */ | |
940 | if (ecoff_data (abfd)->canonical_symbols != NULL) | |
941 | return true; | |
942 | ||
943 | /* Get the symbolic information. */ | |
75f3ef7a ILT |
944 | if (! _bfd_ecoff_slurp_symbolic_info (abfd, (asection *) NULL, |
945 | &ecoff_data (abfd)->debug_info)) | |
dae31cf5 ILT |
946 | return false; |
947 | if (bfd_get_symcount (abfd) == 0) | |
948 | return true; | |
949 | ||
950 | internal_size = bfd_get_symcount (abfd) * sizeof (ecoff_symbol_type); | |
951 | internal = (ecoff_symbol_type *) bfd_alloc (abfd, internal_size); | |
952 | if (internal == NULL) | |
a9713b91 | 953 | return false; |
dae31cf5 ILT |
954 | |
955 | internal_ptr = internal; | |
c9668c58 | 956 | eraw_src = (char *) ecoff_data (abfd)->debug_info.external_ext; |
dae31cf5 | 957 | eraw_end = (eraw_src |
c9668c58 | 958 | + (ecoff_data (abfd)->debug_info.symbolic_header.iextMax |
dae31cf5 ILT |
959 | * external_ext_size)); |
960 | for (; eraw_src < eraw_end; eraw_src += external_ext_size, internal_ptr++) | |
961 | { | |
962 | EXTR internal_esym; | |
963 | ||
964 | (*swap_ext_in) (abfd, (PTR) eraw_src, &internal_esym); | |
c9668c58 | 965 | internal_ptr->symbol.name = (ecoff_data (abfd)->debug_info.ssext |
dae31cf5 | 966 | + internal_esym.asym.iss); |
9783e04a | 967 | if (!ecoff_set_symbol_info (abfd, &internal_esym.asym, |
0652d579 ILT |
968 | &internal_ptr->symbol, 1, |
969 | internal_esym.weakext)) | |
9783e04a | 970 | return false; |
48edba81 ILT |
971 | /* The alpha uses a negative ifd field for section symbols. */ |
972 | if (internal_esym.ifd >= 0) | |
c9668c58 ILT |
973 | internal_ptr->fdr = (ecoff_data (abfd)->debug_info.fdr |
974 | + internal_esym.ifd); | |
48edba81 ILT |
975 | else |
976 | internal_ptr->fdr = NULL; | |
dae31cf5 ILT |
977 | internal_ptr->local = false; |
978 | internal_ptr->native = (PTR) eraw_src; | |
979 | } | |
dae31cf5 ILT |
980 | |
981 | /* The local symbols must be accessed via the fdr's, because the | |
982 | string and aux indices are relative to the fdr information. */ | |
c9668c58 ILT |
983 | fdr_ptr = ecoff_data (abfd)->debug_info.fdr; |
984 | fdr_end = fdr_ptr + ecoff_data (abfd)->debug_info.symbolic_header.ifdMax; | |
dae31cf5 ILT |
985 | for (; fdr_ptr < fdr_end; fdr_ptr++) |
986 | { | |
987 | char *lraw_src; | |
988 | char *lraw_end; | |
989 | ||
c9668c58 | 990 | lraw_src = ((char *) ecoff_data (abfd)->debug_info.external_sym |
dae31cf5 ILT |
991 | + fdr_ptr->isymBase * external_sym_size); |
992 | lraw_end = lraw_src + fdr_ptr->csym * external_sym_size; | |
993 | for (; | |
994 | lraw_src < lraw_end; | |
995 | lraw_src += external_sym_size, internal_ptr++) | |
996 | { | |
997 | SYMR internal_sym; | |
998 | ||
999 | (*swap_sym_in) (abfd, (PTR) lraw_src, &internal_sym); | |
c9668c58 | 1000 | internal_ptr->symbol.name = (ecoff_data (abfd)->debug_info.ss |
dae31cf5 ILT |
1001 | + fdr_ptr->issBase |
1002 | + internal_sym.iss); | |
9783e04a | 1003 | if (!ecoff_set_symbol_info (abfd, &internal_sym, |
0652d579 | 1004 | &internal_ptr->symbol, 0, 0)) |
9783e04a | 1005 | return false; |
dae31cf5 ILT |
1006 | internal_ptr->fdr = fdr_ptr; |
1007 | internal_ptr->local = true; | |
1008 | internal_ptr->native = (PTR) lraw_src; | |
1009 | } | |
1010 | } | |
dae31cf5 ILT |
1011 | |
1012 | ecoff_data (abfd)->canonical_symbols = internal; | |
1013 | ||
1014 | return true; | |
1015 | } | |
1016 | ||
1017 | /* Return the amount of space needed for the canonical symbols. */ | |
1018 | ||
326e32d7 | 1019 | long |
75f3ef7a | 1020 | _bfd_ecoff_get_symtab_upper_bound (abfd) |
dae31cf5 ILT |
1021 | bfd *abfd; |
1022 | { | |
75f3ef7a ILT |
1023 | if (! _bfd_ecoff_slurp_symbolic_info (abfd, (asection *) NULL, |
1024 | &ecoff_data (abfd)->debug_info)) | |
326e32d7 ILT |
1025 | return -1; |
1026 | ||
1027 | if (bfd_get_symcount (abfd) == 0) | |
dae31cf5 ILT |
1028 | return 0; |
1029 | ||
1030 | return (bfd_get_symcount (abfd) + 1) * (sizeof (ecoff_symbol_type *)); | |
1031 | } | |
1032 | ||
b59f0276 | 1033 | /* Get the canonical symbols. */ |
dae31cf5 | 1034 | |
326e32d7 | 1035 | long |
75f3ef7a | 1036 | _bfd_ecoff_get_symtab (abfd, alocation) |
dae31cf5 ILT |
1037 | bfd *abfd; |
1038 | asymbol **alocation; | |
1039 | { | |
1040 | unsigned int counter = 0; | |
1041 | ecoff_symbol_type *symbase; | |
1042 | ecoff_symbol_type **location = (ecoff_symbol_type **) alocation; | |
1043 | ||
75f3ef7a | 1044 | if (_bfd_ecoff_slurp_symbol_table (abfd) == false) |
326e32d7 ILT |
1045 | return -1; |
1046 | if (bfd_get_symcount (abfd) == 0) | |
dae31cf5 ILT |
1047 | return 0; |
1048 | ||
1049 | symbase = ecoff_data (abfd)->canonical_symbols; | |
1050 | while (counter < bfd_get_symcount (abfd)) | |
1051 | { | |
1052 | *(location++) = symbase++; | |
1053 | counter++; | |
1054 | } | |
1055 | *location++ = (ecoff_symbol_type *) NULL; | |
1056 | return bfd_get_symcount (abfd); | |
1057 | } | |
1058 | ||
1059 | /* Turn ECOFF type information into a printable string. | |
1060 | ecoff_emit_aggregate and ecoff_type_to_string are from | |
1061 | gcc/mips-tdump.c, with swapping added and used_ptr removed. */ | |
1062 | ||
1063 | /* Write aggregate information to a string. */ | |
1064 | ||
1065 | static void | |
2ec2e6a9 | 1066 | ecoff_emit_aggregate (abfd, fdr, string, rndx, isym, which) |
dae31cf5 | 1067 | bfd *abfd; |
2ec2e6a9 | 1068 | FDR *fdr; |
dae31cf5 ILT |
1069 | char *string; |
1070 | RNDXR *rndx; | |
1071 | long isym; | |
2ec2e6a9 | 1072 | const char *which; |
dae31cf5 | 1073 | { |
2ec2e6a9 ILT |
1074 | const struct ecoff_debug_swap * const debug_swap = |
1075 | &ecoff_backend (abfd)->debug_swap; | |
1076 | struct ecoff_debug_info * const debug_info = &ecoff_data (abfd)->debug_info; | |
1077 | unsigned int ifd = rndx->rfd; | |
1078 | unsigned int indx = rndx->index; | |
1079 | const char *name; | |
dae31cf5 ILT |
1080 | |
1081 | if (ifd == 0xfff) | |
1082 | ifd = isym; | |
1083 | ||
2ec2e6a9 ILT |
1084 | /* An ifd of -1 is an opaque type. An escaped index of 0 is a |
1085 | struct return type of a procedure compiled without -g. */ | |
1086 | if (ifd == 0xffffffff | |
1087 | || (rndx->rfd == 0xfff && indx == 0)) | |
1088 | name = "<undefined>"; | |
1089 | else if (indx == indexNil) | |
1090 | name = "<no name>"; | |
dae31cf5 ILT |
1091 | else |
1092 | { | |
dae31cf5 ILT |
1093 | SYMR sym; |
1094 | ||
2ec2e6a9 ILT |
1095 | if (debug_info->external_rfd == NULL) |
1096 | fdr = debug_info->fdr + ifd; | |
1097 | else | |
1098 | { | |
1099 | RFDT rfd; | |
1100 | ||
1101 | (*debug_swap->swap_rfd_in) (abfd, | |
1102 | ((char *) debug_info->external_rfd | |
1103 | + ((fdr->rfdBase + ifd) | |
1104 | * debug_swap->external_rfd_size)), | |
1105 | &rfd); | |
1106 | fdr = debug_info->fdr + rfd; | |
1107 | } | |
1108 | ||
1109 | indx += fdr->isymBase; | |
1110 | ||
1111 | (*debug_swap->swap_sym_in) (abfd, | |
1112 | ((char *) debug_info->external_sym | |
1113 | + indx * debug_swap->external_sym_size), | |
1114 | &sym); | |
1115 | ||
1116 | name = debug_info->ss + fdr->issBase + sym.iss; | |
dae31cf5 ILT |
1117 | } |
1118 | ||
1119 | sprintf (string, | |
2ec2e6a9 | 1120 | "%s %s { ifd = %u, index = %lu }", |
dae31cf5 | 1121 | which, name, ifd, |
c9668c58 | 1122 | ((long) indx |
2ec2e6a9 | 1123 | + debug_info->symbolic_header.iextMax)); |
dae31cf5 ILT |
1124 | } |
1125 | ||
1126 | /* Convert the type information to string format. */ | |
1127 | ||
1128 | static char * | |
2ec2e6a9 | 1129 | ecoff_type_to_string (abfd, fdr, indx) |
dae31cf5 | 1130 | bfd *abfd; |
2ec2e6a9 | 1131 | FDR *fdr; |
dae31cf5 | 1132 | unsigned int indx; |
dae31cf5 | 1133 | { |
2ec2e6a9 ILT |
1134 | union aux_ext *aux_ptr; |
1135 | int bigendian; | |
dae31cf5 ILT |
1136 | AUXU u; |
1137 | struct qual { | |
1138 | unsigned int type; | |
1139 | int low_bound; | |
1140 | int high_bound; | |
1141 | int stride; | |
1142 | } qualifiers[7]; | |
dae31cf5 ILT |
1143 | unsigned int basic_type; |
1144 | int i; | |
6c97aedf | 1145 | char buffer1[1024]; |
dae31cf5 ILT |
1146 | static char buffer2[1024]; |
1147 | char *p1 = buffer1; | |
1148 | char *p2 = buffer2; | |
1149 | RNDXR rndx; | |
1150 | ||
2ec2e6a9 ILT |
1151 | aux_ptr = ecoff_data (abfd)->debug_info.external_aux + fdr->iauxBase; |
1152 | bigendian = fdr->fBigendian; | |
1153 | ||
dae31cf5 ILT |
1154 | for (i = 0; i < 7; i++) |
1155 | { | |
1156 | qualifiers[i].low_bound = 0; | |
1157 | qualifiers[i].high_bound = 0; | |
1158 | qualifiers[i].stride = 0; | |
1159 | } | |
1160 | ||
ae115e51 | 1161 | if (AUX_GET_ISYM (bigendian, &aux_ptr[indx]) == (bfd_vma) -1) |
dae31cf5 | 1162 | return "-1 (no type)"; |
75f3ef7a | 1163 | _bfd_ecoff_swap_tir_in (bigendian, &aux_ptr[indx++].a_ti, &u.ti); |
dae31cf5 ILT |
1164 | |
1165 | basic_type = u.ti.bt; | |
1166 | qualifiers[0].type = u.ti.tq0; | |
1167 | qualifiers[1].type = u.ti.tq1; | |
1168 | qualifiers[2].type = u.ti.tq2; | |
1169 | qualifiers[3].type = u.ti.tq3; | |
1170 | qualifiers[4].type = u.ti.tq4; | |
1171 | qualifiers[5].type = u.ti.tq5; | |
1172 | qualifiers[6].type = tqNil; | |
1173 | ||
1174 | /* | |
1175 | * Go get the basic type. | |
1176 | */ | |
1177 | switch (basic_type) | |
1178 | { | |
1179 | case btNil: /* undefined */ | |
1180 | strcpy (p1, "nil"); | |
1181 | break; | |
1182 | ||
1183 | case btAdr: /* address - integer same size as pointer */ | |
1184 | strcpy (p1, "address"); | |
1185 | break; | |
1186 | ||
1187 | case btChar: /* character */ | |
1188 | strcpy (p1, "char"); | |
1189 | break; | |
1190 | ||
1191 | case btUChar: /* unsigned character */ | |
1192 | strcpy (p1, "unsigned char"); | |
1193 | break; | |
1194 | ||
1195 | case btShort: /* short */ | |
1196 | strcpy (p1, "short"); | |
1197 | break; | |
1198 | ||
1199 | case btUShort: /* unsigned short */ | |
1200 | strcpy (p1, "unsigned short"); | |
1201 | break; | |
1202 | ||
1203 | case btInt: /* int */ | |
1204 | strcpy (p1, "int"); | |
1205 | break; | |
1206 | ||
1207 | case btUInt: /* unsigned int */ | |
1208 | strcpy (p1, "unsigned int"); | |
1209 | break; | |
1210 | ||
1211 | case btLong: /* long */ | |
1212 | strcpy (p1, "long"); | |
1213 | break; | |
1214 | ||
1215 | case btULong: /* unsigned long */ | |
1216 | strcpy (p1, "unsigned long"); | |
1217 | break; | |
1218 | ||
1219 | case btFloat: /* float (real) */ | |
1220 | strcpy (p1, "float"); | |
1221 | break; | |
1222 | ||
1223 | case btDouble: /* Double (real) */ | |
1224 | strcpy (p1, "double"); | |
1225 | break; | |
1226 | ||
1227 | /* Structures add 1-2 aux words: | |
1228 | 1st word is [ST_RFDESCAPE, offset] pointer to struct def; | |
1229 | 2nd word is file index if 1st word rfd is ST_RFDESCAPE. */ | |
1230 | ||
1231 | case btStruct: /* Structure (Record) */ | |
75f3ef7a | 1232 | _bfd_ecoff_swap_rndx_in (bigendian, &aux_ptr[indx].a_rndx, &rndx); |
2ec2e6a9 | 1233 | ecoff_emit_aggregate (abfd, fdr, p1, &rndx, |
4c3721d5 | 1234 | (long) AUX_GET_ISYM (bigendian, &aux_ptr[indx+1]), |
dae31cf5 ILT |
1235 | "struct"); |
1236 | indx++; /* skip aux words */ | |
1237 | break; | |
1238 | ||
1239 | /* Unions add 1-2 aux words: | |
1240 | 1st word is [ST_RFDESCAPE, offset] pointer to union def; | |
1241 | 2nd word is file index if 1st word rfd is ST_RFDESCAPE. */ | |
1242 | ||
1243 | case btUnion: /* Union */ | |
75f3ef7a | 1244 | _bfd_ecoff_swap_rndx_in (bigendian, &aux_ptr[indx].a_rndx, &rndx); |
2ec2e6a9 | 1245 | ecoff_emit_aggregate (abfd, fdr, p1, &rndx, |
4c3721d5 | 1246 | (long) AUX_GET_ISYM (bigendian, &aux_ptr[indx+1]), |
dae31cf5 ILT |
1247 | "union"); |
1248 | indx++; /* skip aux words */ | |
1249 | break; | |
1250 | ||
1251 | /* Enumerations add 1-2 aux words: | |
1252 | 1st word is [ST_RFDESCAPE, offset] pointer to enum def; | |
1253 | 2nd word is file index if 1st word rfd is ST_RFDESCAPE. */ | |
1254 | ||
1255 | case btEnum: /* Enumeration */ | |
75f3ef7a | 1256 | _bfd_ecoff_swap_rndx_in (bigendian, &aux_ptr[indx].a_rndx, &rndx); |
2ec2e6a9 | 1257 | ecoff_emit_aggregate (abfd, fdr, p1, &rndx, |
4c3721d5 | 1258 | (long) AUX_GET_ISYM (bigendian, &aux_ptr[indx+1]), |
dae31cf5 ILT |
1259 | "enum"); |
1260 | indx++; /* skip aux words */ | |
1261 | break; | |
1262 | ||
1263 | case btTypedef: /* defined via a typedef, isymRef points */ | |
1264 | strcpy (p1, "typedef"); | |
1265 | break; | |
1266 | ||
1267 | case btRange: /* subrange of int */ | |
1268 | strcpy (p1, "subrange"); | |
1269 | break; | |
1270 | ||
1271 | case btSet: /* pascal sets */ | |
1272 | strcpy (p1, "set"); | |
1273 | break; | |
1274 | ||
1275 | case btComplex: /* fortran complex */ | |
1276 | strcpy (p1, "complex"); | |
1277 | break; | |
1278 | ||
1279 | case btDComplex: /* fortran double complex */ | |
1280 | strcpy (p1, "double complex"); | |
1281 | break; | |
1282 | ||
1283 | case btIndirect: /* forward or unnamed typedef */ | |
1284 | strcpy (p1, "forward/unamed typedef"); | |
1285 | break; | |
1286 | ||
1287 | case btFixedDec: /* Fixed Decimal */ | |
1288 | strcpy (p1, "fixed decimal"); | |
1289 | break; | |
1290 | ||
1291 | case btFloatDec: /* Float Decimal */ | |
1292 | strcpy (p1, "float decimal"); | |
1293 | break; | |
1294 | ||
1295 | case btString: /* Varying Length Character String */ | |
1296 | strcpy (p1, "string"); | |
1297 | break; | |
1298 | ||
1299 | case btBit: /* Aligned Bit String */ | |
1300 | strcpy (p1, "bit"); | |
1301 | break; | |
1302 | ||
1303 | case btPicture: /* Picture */ | |
1304 | strcpy (p1, "picture"); | |
1305 | break; | |
1306 | ||
1307 | case btVoid: /* Void */ | |
1308 | strcpy (p1, "void"); | |
1309 | break; | |
1310 | ||
1311 | default: | |
1312 | sprintf (p1, "Unknown basic type %d", (int) basic_type); | |
1313 | break; | |
1314 | } | |
1315 | ||
1316 | p1 += strlen (buffer1); | |
1317 | ||
1318 | /* | |
1319 | * If this is a bitfield, get the bitsize. | |
1320 | */ | |
1321 | if (u.ti.fBitfield) | |
1322 | { | |
1323 | int bitsize; | |
1324 | ||
1325 | bitsize = AUX_GET_WIDTH (bigendian, &aux_ptr[indx++]); | |
1326 | sprintf (p1, " : %d", bitsize); | |
1327 | p1 += strlen (buffer1); | |
1328 | } | |
1329 | ||
1330 | ||
1331 | /* | |
1332 | * Deal with any qualifiers. | |
1333 | */ | |
1334 | if (qualifiers[0].type != tqNil) | |
1335 | { | |
1336 | /* | |
1337 | * Snarf up any array bounds in the correct order. Arrays | |
1338 | * store 5 successive words in the aux. table: | |
1339 | * word 0 RNDXR to type of the bounds (ie, int) | |
1340 | * word 1 Current file descriptor index | |
1341 | * word 2 low bound | |
1342 | * word 3 high bound (or -1 if []) | |
1343 | * word 4 stride size in bits | |
1344 | */ | |
1345 | for (i = 0; i < 7; i++) | |
1346 | { | |
1347 | if (qualifiers[i].type == tqArray) | |
1348 | { | |
1349 | qualifiers[i].low_bound = | |
1350 | AUX_GET_DNLOW (bigendian, &aux_ptr[indx+2]); | |
1351 | qualifiers[i].high_bound = | |
1352 | AUX_GET_DNHIGH (bigendian, &aux_ptr[indx+3]); | |
1353 | qualifiers[i].stride = | |
1354 | AUX_GET_WIDTH (bigendian, &aux_ptr[indx+4]); | |
1355 | indx += 5; | |
1356 | } | |
1357 | } | |
1358 | ||
1359 | /* | |
1360 | * Now print out the qualifiers. | |
1361 | */ | |
1362 | for (i = 0; i < 6; i++) | |
1363 | { | |
1364 | switch (qualifiers[i].type) | |
1365 | { | |
1366 | case tqNil: | |
1367 | case tqMax: | |
1368 | break; | |
1369 | ||
1370 | case tqPtr: | |
1371 | strcpy (p2, "ptr to "); | |
1372 | p2 += sizeof ("ptr to ")-1; | |
1373 | break; | |
1374 | ||
1375 | case tqVol: | |
1376 | strcpy (p2, "volatile "); | |
1377 | p2 += sizeof ("volatile ")-1; | |
1378 | break; | |
1379 | ||
1380 | case tqFar: | |
1381 | strcpy (p2, "far "); | |
1382 | p2 += sizeof ("far ")-1; | |
1383 | break; | |
1384 | ||
1385 | case tqProc: | |
1386 | strcpy (p2, "func. ret. "); | |
1387 | p2 += sizeof ("func. ret. "); | |
1388 | break; | |
1389 | ||
1390 | case tqArray: | |
1391 | { | |
1392 | int first_array = i; | |
1393 | int j; | |
1394 | ||
1395 | /* Print array bounds reversed (ie, in the order the C | |
1396 | programmer writes them). C is such a fun language.... */ | |
1397 | ||
1398 | while (i < 5 && qualifiers[i+1].type == tqArray) | |
1399 | i++; | |
1400 | ||
1401 | for (j = i; j >= first_array; j--) | |
1402 | { | |
1403 | strcpy (p2, "array ["); | |
1404 | p2 += sizeof ("array [")-1; | |
1405 | if (qualifiers[j].low_bound != 0) | |
1406 | sprintf (p2, | |
1407 | "%ld:%ld {%ld bits}", | |
1408 | (long) qualifiers[j].low_bound, | |
1409 | (long) qualifiers[j].high_bound, | |
1410 | (long) qualifiers[j].stride); | |
1411 | ||
1412 | else if (qualifiers[j].high_bound != -1) | |
1413 | sprintf (p2, | |
1414 | "%ld {%ld bits}", | |
1415 | (long) (qualifiers[j].high_bound + 1), | |
1416 | (long) (qualifiers[j].stride)); | |
1417 | ||
1418 | else | |
1419 | sprintf (p2, " {%ld bits}", (long) (qualifiers[j].stride)); | |
1420 | ||
1421 | p2 += strlen (p2); | |
1422 | strcpy (p2, "] of "); | |
1423 | p2 += sizeof ("] of ")-1; | |
1424 | } | |
1425 | } | |
1426 | break; | |
1427 | } | |
1428 | } | |
1429 | } | |
1430 | ||
1431 | strcpy (p2, buffer1); | |
1432 | return buffer2; | |
1433 | } | |
1434 | ||
1435 | /* Return information about ECOFF symbol SYMBOL in RET. */ | |
1436 | ||
728472f1 | 1437 | /*ARGSUSED*/ |
dae31cf5 | 1438 | void |
75f3ef7a | 1439 | _bfd_ecoff_get_symbol_info (abfd, symbol, ret) |
dae31cf5 ILT |
1440 | bfd *abfd; /* Ignored. */ |
1441 | asymbol *symbol; | |
1442 | symbol_info *ret; | |
1443 | { | |
1444 | bfd_symbol_info (symbol, ret); | |
1445 | } | |
1446 | ||
a2546fce ILT |
1447 | /* Return whether this is a local label. */ |
1448 | ||
1449 | /*ARGSUSED*/ | |
1450 | boolean | |
1451 | _bfd_ecoff_bfd_is_local_label (abfd, symbol) | |
1452 | bfd *abfd; | |
1453 | asymbol *symbol; | |
1454 | { | |
1455 | return symbol->name[0] == '$'; | |
1456 | } | |
1457 | ||
dae31cf5 ILT |
1458 | /* Print information about an ECOFF symbol. */ |
1459 | ||
1460 | void | |
75f3ef7a | 1461 | _bfd_ecoff_print_symbol (abfd, filep, symbol, how) |
dae31cf5 ILT |
1462 | bfd *abfd; |
1463 | PTR filep; | |
1464 | asymbol *symbol; | |
1465 | bfd_print_symbol_type how; | |
1466 | { | |
c9668c58 ILT |
1467 | const struct ecoff_debug_swap * const debug_swap |
1468 | = &ecoff_backend (abfd)->debug_swap; | |
dae31cf5 ILT |
1469 | FILE *file = (FILE *)filep; |
1470 | ||
1471 | switch (how) | |
1472 | { | |
1473 | case bfd_print_symbol_name: | |
1474 | fprintf (file, "%s", symbol->name); | |
1475 | break; | |
1476 | case bfd_print_symbol_more: | |
1477 | if (ecoffsymbol (symbol)->local) | |
1478 | { | |
1479 | SYMR ecoff_sym; | |
1480 | ||
c9668c58 ILT |
1481 | (*debug_swap->swap_sym_in) (abfd, ecoffsymbol (symbol)->native, |
1482 | &ecoff_sym); | |
dae31cf5 ILT |
1483 | fprintf (file, "ecoff local "); |
1484 | fprintf_vma (file, (bfd_vma) ecoff_sym.value); | |
1485 | fprintf (file, " %x %x", (unsigned) ecoff_sym.st, | |
1486 | (unsigned) ecoff_sym.sc); | |
1487 | } | |
1488 | else | |
1489 | { | |
1490 | EXTR ecoff_ext; | |
1491 | ||
c9668c58 ILT |
1492 | (*debug_swap->swap_ext_in) (abfd, ecoffsymbol (symbol)->native, |
1493 | &ecoff_ext); | |
dae31cf5 ILT |
1494 | fprintf (file, "ecoff extern "); |
1495 | fprintf_vma (file, (bfd_vma) ecoff_ext.asym.value); | |
1496 | fprintf (file, " %x %x", (unsigned) ecoff_ext.asym.st, | |
1497 | (unsigned) ecoff_ext.asym.sc); | |
1498 | } | |
1499 | break; | |
1500 | case bfd_print_symbol_all: | |
1501 | /* Print out the symbols in a reasonable way */ | |
1502 | { | |
1503 | char type; | |
1504 | int pos; | |
1505 | EXTR ecoff_ext; | |
1506 | char jmptbl; | |
1507 | char cobol_main; | |
1508 | char weakext; | |
1509 | ||
1510 | if (ecoffsymbol (symbol)->local) | |
1511 | { | |
c9668c58 ILT |
1512 | (*debug_swap->swap_sym_in) (abfd, ecoffsymbol (symbol)->native, |
1513 | &ecoff_ext.asym); | |
dae31cf5 ILT |
1514 | type = 'l'; |
1515 | pos = ((((char *) ecoffsymbol (symbol)->native | |
c9668c58 ILT |
1516 | - (char *) ecoff_data (abfd)->debug_info.external_sym) |
1517 | / debug_swap->external_sym_size) | |
1518 | + ecoff_data (abfd)->debug_info.symbolic_header.iextMax); | |
dae31cf5 ILT |
1519 | jmptbl = ' '; |
1520 | cobol_main = ' '; | |
1521 | weakext = ' '; | |
1522 | } | |
1523 | else | |
1524 | { | |
c9668c58 ILT |
1525 | (*debug_swap->swap_ext_in) (abfd, ecoffsymbol (symbol)->native, |
1526 | &ecoff_ext); | |
dae31cf5 ILT |
1527 | type = 'e'; |
1528 | pos = (((char *) ecoffsymbol (symbol)->native | |
c9668c58 ILT |
1529 | - (char *) ecoff_data (abfd)->debug_info.external_ext) |
1530 | / debug_swap->external_ext_size); | |
dae31cf5 ILT |
1531 | jmptbl = ecoff_ext.jmptbl ? 'j' : ' '; |
1532 | cobol_main = ecoff_ext.cobol_main ? 'c' : ' '; | |
1533 | weakext = ecoff_ext.weakext ? 'w' : ' '; | |
1534 | } | |
1535 | ||
1536 | fprintf (file, "[%3d] %c ", | |
1537 | pos, type); | |
1538 | fprintf_vma (file, (bfd_vma) ecoff_ext.asym.value); | |
1539 | fprintf (file, " st %x sc %x indx %x %c%c%c %s", | |
1540 | (unsigned) ecoff_ext.asym.st, | |
1541 | (unsigned) ecoff_ext.asym.sc, | |
1542 | (unsigned) ecoff_ext.asym.index, | |
1543 | jmptbl, cobol_main, weakext, | |
1544 | symbol->name); | |
1545 | ||
1546 | if (ecoffsymbol (symbol)->fdr != NULL | |
1547 | && ecoff_ext.asym.index != indexNil) | |
1548 | { | |
2ec2e6a9 | 1549 | FDR *fdr; |
dae31cf5 ILT |
1550 | unsigned int indx; |
1551 | int bigendian; | |
1552 | bfd_size_type sym_base; | |
1553 | union aux_ext *aux_base; | |
1554 | ||
2ec2e6a9 | 1555 | fdr = ecoffsymbol (symbol)->fdr; |
dae31cf5 ILT |
1556 | indx = ecoff_ext.asym.index; |
1557 | ||
1558 | /* sym_base is used to map the fdr relative indices which | |
1559 | appear in the file to the position number which we are | |
1560 | using. */ | |
2ec2e6a9 | 1561 | sym_base = fdr->isymBase; |
dae31cf5 | 1562 | if (ecoffsymbol (symbol)->local) |
c9668c58 ILT |
1563 | sym_base += |
1564 | ecoff_data (abfd)->debug_info.symbolic_header.iextMax; | |
dae31cf5 ILT |
1565 | |
1566 | /* aux_base is the start of the aux entries for this file; | |
1567 | asym.index is an offset from this. */ | |
c9668c58 | 1568 | aux_base = (ecoff_data (abfd)->debug_info.external_aux |
2ec2e6a9 | 1569 | + fdr->iauxBase); |
dae31cf5 ILT |
1570 | |
1571 | /* The aux entries are stored in host byte order; the | |
1572 | order is indicated by a bit in the fdr. */ | |
2ec2e6a9 | 1573 | bigendian = fdr->fBigendian; |
dae31cf5 ILT |
1574 | |
1575 | /* This switch is basically from gcc/mips-tdump.c */ | |
1576 | switch (ecoff_ext.asym.st) | |
1577 | { | |
1578 | case stNil: | |
1579 | case stLabel: | |
1580 | break; | |
1581 | ||
1582 | case stFile: | |
1583 | case stBlock: | |
1584 | fprintf (file, "\n End+1 symbol: %ld", | |
1585 | (long) (indx + sym_base)); | |
1586 | break; | |
1587 | ||
1588 | case stEnd: | |
1589 | if (ecoff_ext.asym.sc == scText | |
1590 | || ecoff_ext.asym.sc == scInfo) | |
1591 | fprintf (file, "\n First symbol: %ld", | |
1592 | (long) (indx + sym_base)); | |
1593 | else | |
1594 | fprintf (file, "\n First symbol: %ld", | |
2ec2e6a9 ILT |
1595 | ((long) |
1596 | (AUX_GET_ISYM (bigendian, | |
1597 | &aux_base[ecoff_ext.asym.index]) | |
1598 | + sym_base))); | |
dae31cf5 ILT |
1599 | break; |
1600 | ||
1601 | case stProc: | |
1602 | case stStaticProc: | |
1603 | if (ECOFF_IS_STAB (&ecoff_ext.asym)) | |
1604 | ; | |
1605 | else if (ecoffsymbol (symbol)->local) | |
1606 | fprintf (file, "\n End+1 symbol: %-7ld Type: %s", | |
2ec2e6a9 ILT |
1607 | ((long) |
1608 | (AUX_GET_ISYM (bigendian, | |
1609 | &aux_base[ecoff_ext.asym.index]) | |
1610 | + sym_base)), | |
1611 | ecoff_type_to_string (abfd, fdr, indx + 1)); | |
dae31cf5 | 1612 | else |
c9668c58 ILT |
1613 | fprintf (file, "\n Local symbol: %ld", |
1614 | ((long) indx | |
1615 | + (long) sym_base | |
1616 | + (ecoff_data (abfd) | |
1617 | ->debug_info.symbolic_header.iextMax))); | |
dae31cf5 ILT |
1618 | break; |
1619 | ||
2ec2e6a9 ILT |
1620 | case stStruct: |
1621 | fprintf (file, "\n struct; End+1 symbol: %ld", | |
1622 | (long) (indx + sym_base)); | |
1623 | break; | |
1624 | ||
1625 | case stUnion: | |
1626 | fprintf (file, "\n union; End+1 symbol: %ld", | |
1627 | (long) (indx + sym_base)); | |
1628 | break; | |
1629 | ||
1630 | case stEnum: | |
1631 | fprintf (file, "\n enum; End+1 symbol: %ld", | |
1632 | (long) (indx + sym_base)); | |
1633 | break; | |
1634 | ||
dae31cf5 ILT |
1635 | default: |
1636 | if (! ECOFF_IS_STAB (&ecoff_ext.asym)) | |
1637 | fprintf (file, "\n Type: %s", | |
2ec2e6a9 | 1638 | ecoff_type_to_string (abfd, fdr, indx)); |
dae31cf5 ILT |
1639 | break; |
1640 | } | |
1641 | } | |
1642 | } | |
1643 | break; | |
1644 | } | |
1645 | } | |
1646 | \f | |
dae31cf5 ILT |
1647 | /* Read in the relocs for a section. */ |
1648 | ||
1649 | static boolean | |
1650 | ecoff_slurp_reloc_table (abfd, section, symbols) | |
1651 | bfd *abfd; | |
1652 | asection *section; | |
1653 | asymbol **symbols; | |
1654 | { | |
1655 | const struct ecoff_backend_data * const backend = ecoff_backend (abfd); | |
1656 | arelent *internal_relocs; | |
1657 | bfd_size_type external_reloc_size; | |
1658 | bfd_size_type external_relocs_size; | |
1659 | char *external_relocs; | |
1660 | arelent *rptr; | |
1661 | unsigned int i; | |
1662 | ||
1663 | if (section->relocation != (arelent *) NULL | |
1664 | || section->reloc_count == 0 | |
1665 | || (section->flags & SEC_CONSTRUCTOR) != 0) | |
1666 | return true; | |
1667 | ||
75f3ef7a | 1668 | if (_bfd_ecoff_slurp_symbol_table (abfd) == false) |
dae31cf5 ILT |
1669 | return false; |
1670 | ||
1671 | internal_relocs = (arelent *) bfd_alloc (abfd, | |
1672 | (sizeof (arelent) | |
1673 | * section->reloc_count)); | |
1674 | external_reloc_size = backend->external_reloc_size; | |
1675 | external_relocs_size = external_reloc_size * section->reloc_count; | |
1676 | external_relocs = (char *) bfd_alloc (abfd, external_relocs_size); | |
1677 | if (internal_relocs == (arelent *) NULL | |
1678 | || external_relocs == (char *) NULL) | |
a9713b91 | 1679 | return false; |
dae31cf5 ILT |
1680 | if (bfd_seek (abfd, section->rel_filepos, SEEK_SET) != 0) |
1681 | return false; | |
1682 | if (bfd_read (external_relocs, 1, external_relocs_size, abfd) | |
1683 | != external_relocs_size) | |
25057836 | 1684 | return false; |
dae31cf5 ILT |
1685 | |
1686 | for (i = 0, rptr = internal_relocs; i < section->reloc_count; i++, rptr++) | |
1687 | { | |
1688 | struct internal_reloc intern; | |
1689 | ||
1690 | (*backend->swap_reloc_in) (abfd, | |
1691 | external_relocs + i * external_reloc_size, | |
1692 | &intern); | |
1693 | ||
dae31cf5 ILT |
1694 | if (intern.r_extern) |
1695 | { | |
1696 | /* r_symndx is an index into the external symbols. */ | |
1697 | BFD_ASSERT (intern.r_symndx >= 0 | |
1698 | && (intern.r_symndx | |
c9668c58 ILT |
1699 | < (ecoff_data (abfd) |
1700 | ->debug_info.symbolic_header.iextMax))); | |
dae31cf5 ILT |
1701 | rptr->sym_ptr_ptr = symbols + intern.r_symndx; |
1702 | rptr->addend = 0; | |
1703 | } | |
e544ed4f ILT |
1704 | else if (intern.r_symndx == RELOC_SECTION_NONE |
1705 | || intern.r_symndx == RELOC_SECTION_ABS) | |
1706 | { | |
7b18561f | 1707 | rptr->sym_ptr_ptr = bfd_abs_section_ptr->symbol_ptr_ptr; |
e544ed4f ILT |
1708 | rptr->addend = 0; |
1709 | } | |
dae31cf5 ILT |
1710 | else |
1711 | { | |
1712 | CONST char *sec_name; | |
1713 | asection *sec; | |
1714 | ||
1715 | /* r_symndx is a section key. */ | |
1716 | switch (intern.r_symndx) | |
1717 | { | |
1718 | case RELOC_SECTION_TEXT: sec_name = ".text"; break; | |
1719 | case RELOC_SECTION_RDATA: sec_name = ".rdata"; break; | |
1720 | case RELOC_SECTION_DATA: sec_name = ".data"; break; | |
1721 | case RELOC_SECTION_SDATA: sec_name = ".sdata"; break; | |
1722 | case RELOC_SECTION_SBSS: sec_name = ".sbss"; break; | |
1723 | case RELOC_SECTION_BSS: sec_name = ".bss"; break; | |
1724 | case RELOC_SECTION_INIT: sec_name = ".init"; break; | |
1725 | case RELOC_SECTION_LIT8: sec_name = ".lit8"; break; | |
1726 | case RELOC_SECTION_LIT4: sec_name = ".lit4"; break; | |
8f46bac8 ILT |
1727 | case RELOC_SECTION_XDATA: sec_name = ".xdata"; break; |
1728 | case RELOC_SECTION_PDATA: sec_name = ".pdata"; break; | |
c9668c58 | 1729 | case RELOC_SECTION_FINI: sec_name = ".fini"; break; |
8f46bac8 | 1730 | case RELOC_SECTION_LITA: sec_name = ".lita"; break; |
a877f591 | 1731 | case RELOC_SECTION_RCONST: sec_name = ".rconst"; break; |
dae31cf5 ILT |
1732 | default: abort (); |
1733 | } | |
1734 | ||
1735 | sec = bfd_get_section_by_name (abfd, sec_name); | |
1736 | if (sec == (asection *) NULL) | |
e544ed4f | 1737 | abort (); |
dae31cf5 ILT |
1738 | rptr->sym_ptr_ptr = sec->symbol_ptr_ptr; |
1739 | ||
1740 | rptr->addend = - bfd_get_section_vma (abfd, sec); | |
dae31cf5 ILT |
1741 | } |
1742 | ||
1743 | rptr->address = intern.r_vaddr - bfd_get_section_vma (abfd, section); | |
dae31cf5 | 1744 | |
8f46bac8 ILT |
1745 | /* Let the backend select the howto field and do any other |
1746 | required processing. */ | |
c9668c58 | 1747 | (*backend->adjust_reloc_in) (abfd, &intern, rptr); |
dae31cf5 ILT |
1748 | } |
1749 | ||
1750 | bfd_release (abfd, external_relocs); | |
1751 | ||
1752 | section->relocation = internal_relocs; | |
1753 | ||
1754 | return true; | |
1755 | } | |
1756 | ||
1757 | /* Get a canonical list of relocs. */ | |
1758 | ||
326e32d7 | 1759 | long |
75f3ef7a | 1760 | _bfd_ecoff_canonicalize_reloc (abfd, section, relptr, symbols) |
dae31cf5 ILT |
1761 | bfd *abfd; |
1762 | asection *section; | |
1763 | arelent **relptr; | |
1764 | asymbol **symbols; | |
1765 | { | |
1766 | unsigned int count; | |
1767 | ||
1768 | if (section->flags & SEC_CONSTRUCTOR) | |
1769 | { | |
1770 | arelent_chain *chain; | |
1771 | ||
1772 | /* This section has relocs made up by us, not the file, so take | |
1773 | them out of their chain and place them into the data area | |
1774 | provided. */ | |
1775 | for (count = 0, chain = section->constructor_chain; | |
1776 | count < section->reloc_count; | |
1777 | count++, chain = chain->next) | |
1778 | *relptr++ = &chain->relent; | |
1779 | } | |
1780 | else | |
1781 | { | |
1782 | arelent *tblptr; | |
1783 | ||
1784 | if (ecoff_slurp_reloc_table (abfd, section, symbols) == false) | |
326e32d7 | 1785 | return -1; |
dae31cf5 ILT |
1786 | |
1787 | tblptr = section->relocation; | |
dae31cf5 ILT |
1788 | |
1789 | for (count = 0; count < section->reloc_count; count++) | |
1790 | *relptr++ = tblptr++; | |
1791 | } | |
1792 | ||
1793 | *relptr = (arelent *) NULL; | |
1794 | ||
1795 | return section->reloc_count; | |
1796 | } | |
dae31cf5 ILT |
1797 | \f |
1798 | /* Provided a BFD, a section and an offset into the section, calculate | |
1799 | and return the name of the source file and the line nearest to the | |
1800 | wanted location. */ | |
1801 | ||
728472f1 | 1802 | /*ARGSUSED*/ |
dae31cf5 | 1803 | boolean |
75f3ef7a ILT |
1804 | _bfd_ecoff_find_nearest_line (abfd, section, ignore_symbols, offset, |
1805 | filename_ptr, functionname_ptr, retline_ptr) | |
dae31cf5 ILT |
1806 | bfd *abfd; |
1807 | asection *section; | |
1808 | asymbol **ignore_symbols; | |
1809 | bfd_vma offset; | |
1810 | CONST char **filename_ptr; | |
1811 | CONST char **functionname_ptr; | |
1812 | unsigned int *retline_ptr; | |
1813 | { | |
c9668c58 ILT |
1814 | const struct ecoff_debug_swap * const debug_swap |
1815 | = &ecoff_backend (abfd)->debug_swap; | |
7b18561f | 1816 | struct ecoff_debug_info * const debug_info = &ecoff_data (abfd)->debug_info; |
9675c281 | 1817 | struct ecoff_find_line *line_info; |
dae31cf5 | 1818 | |
2559e014 KR |
1819 | /* If we're not in the .text section, we don't have any line |
1820 | numbers. */ | |
dae31cf5 | 1821 | if (strcmp (section->name, _TEXT) != 0 |
0652d579 | 1822 | || offset >= bfd_section_size (abfd, section)) |
dae31cf5 | 1823 | return false; |
dae31cf5 | 1824 | |
9675c281 ILT |
1825 | /* Make sure we have the FDR's. */ |
1826 | if (! _bfd_ecoff_slurp_symbolic_info (abfd, (asection *) NULL, debug_info) | |
1827 | || bfd_get_symcount (abfd) == 0) | |
1828 | return false; | |
dae31cf5 | 1829 | |
9675c281 | 1830 | if (ecoff_data (abfd)->find_line_info == NULL) |
dae31cf5 | 1831 | { |
9675c281 ILT |
1832 | ecoff_data (abfd)->find_line_info = |
1833 | ((struct ecoff_find_line *) | |
1834 | bfd_alloc (abfd, sizeof (struct ecoff_find_line))); | |
1835 | if (ecoff_data (abfd)->find_line_info == NULL) | |
a9713b91 | 1836 | return false; |
194fc935 ILT |
1837 | ecoff_data (abfd)->find_line_info->find_buffer = NULL; |
1838 | ecoff_data (abfd)->find_line_info->fdrtab_len = 0; | |
3a6eecd4 | 1839 | ecoff_data (abfd)->find_line_info->fdrtab = NULL; |
dae31cf5 | 1840 | } |
9675c281 | 1841 | line_info = ecoff_data (abfd)->find_line_info; |
7b18561f | 1842 | |
9675c281 ILT |
1843 | return _bfd_ecoff_locate_line (abfd, section, offset, debug_info, |
1844 | debug_swap, line_info, filename_ptr, | |
1845 | functionname_ptr, retline_ptr); | |
dae31cf5 ILT |
1846 | } |
1847 | \f | |
1bb42b1f ILT |
1848 | /* Copy private BFD data. This is called by objcopy and strip. We |
1849 | use it to copy the ECOFF debugging information from one BFD to the | |
1850 | other. It would be theoretically possible to represent the ECOFF | |
1851 | debugging information in the symbol table. However, it would be a | |
1852 | lot of work, and there would be little gain (gas, gdb, and ld | |
1853 | already access the ECOFF debugging information via the | |
1854 | ecoff_debug_info structure, and that structure would have to be | |
1855 | retained in order to support ECOFF debugging in MIPS ELF). | |
1856 | ||
1857 | The debugging information for the ECOFF external symbols comes from | |
1858 | the symbol table, so this function only handles the other debugging | |
1859 | information. */ | |
1860 | ||
1861 | boolean | |
75f3ef7a | 1862 | _bfd_ecoff_bfd_copy_private_bfd_data (ibfd, obfd) |
1bb42b1f ILT |
1863 | bfd *ibfd; |
1864 | bfd *obfd; | |
1865 | { | |
1866 | struct ecoff_debug_info *iinfo = &ecoff_data (ibfd)->debug_info; | |
1867 | struct ecoff_debug_info *oinfo = &ecoff_data (obfd)->debug_info; | |
8e5090ce | 1868 | register int i; |
1bb42b1f ILT |
1869 | asymbol **sym_ptr_ptr; |
1870 | size_t c; | |
1871 | boolean local; | |
1872 | ||
30f34d07 ILT |
1873 | /* This function is selected based on the input vector. We only |
1874 | want to copy information over if the output BFD also uses ECOFF | |
1875 | format. */ | |
1876 | if (bfd_get_flavour (obfd) != bfd_target_ecoff_flavour) | |
1877 | return true; | |
1bb42b1f | 1878 | |
8e5090ce ILT |
1879 | /* Copy the GP value and the register masks. */ |
1880 | ecoff_data (obfd)->gp = ecoff_data (ibfd)->gp; | |
1881 | ecoff_data (obfd)->gprmask = ecoff_data (ibfd)->gprmask; | |
1882 | ecoff_data (obfd)->fprmask = ecoff_data (ibfd)->fprmask; | |
1883 | for (i = 0; i < 3; i++) | |
1884 | ecoff_data (obfd)->cprmask[i] = ecoff_data (ibfd)->cprmask[i]; | |
1885 | ||
1886 | /* Copy the version stamp. */ | |
1bb42b1f ILT |
1887 | oinfo->symbolic_header.vstamp = iinfo->symbolic_header.vstamp; |
1888 | ||
1889 | /* If there are no symbols, don't copy any debugging information. */ | |
1890 | c = bfd_get_symcount (obfd); | |
1891 | sym_ptr_ptr = bfd_get_outsymbols (obfd); | |
1892 | if (c == 0 || sym_ptr_ptr == (asymbol **) NULL) | |
1893 | return true; | |
1894 | ||
1895 | /* See if there are any local symbols. */ | |
1896 | local = false; | |
1897 | for (; c > 0; c--, sym_ptr_ptr++) | |
1898 | { | |
1899 | if (ecoffsymbol (*sym_ptr_ptr)->local) | |
1900 | { | |
1901 | local = true; | |
1902 | break; | |
1903 | } | |
1904 | } | |
1905 | ||
1906 | if (local) | |
1907 | { | |
1908 | /* There are some local symbols. We just bring over all the | |
1909 | debugging information. FIXME: This is not quite the right | |
1910 | thing to do. If the user has asked us to discard all | |
1911 | debugging information, then we are probably going to wind up | |
1912 | keeping it because there will probably be some local symbol | |
1913 | which objcopy did not discard. We should actually break | |
1914 | apart the debugging information and only keep that which | |
1915 | applies to the symbols we want to keep. */ | |
1916 | oinfo->symbolic_header.ilineMax = iinfo->symbolic_header.ilineMax; | |
1917 | oinfo->symbolic_header.cbLine = iinfo->symbolic_header.cbLine; | |
1918 | oinfo->line = iinfo->line; | |
1919 | ||
1920 | oinfo->symbolic_header.idnMax = iinfo->symbolic_header.idnMax; | |
1921 | oinfo->external_dnr = iinfo->external_dnr; | |
1922 | ||
1923 | oinfo->symbolic_header.ipdMax = iinfo->symbolic_header.ipdMax; | |
1924 | oinfo->external_pdr = iinfo->external_pdr; | |
1925 | ||
1926 | oinfo->symbolic_header.isymMax = iinfo->symbolic_header.isymMax; | |
1927 | oinfo->external_sym = iinfo->external_sym; | |
1928 | ||
1929 | oinfo->symbolic_header.ioptMax = iinfo->symbolic_header.ioptMax; | |
1930 | oinfo->external_opt = iinfo->external_opt; | |
1931 | ||
1932 | oinfo->symbolic_header.iauxMax = iinfo->symbolic_header.iauxMax; | |
1933 | oinfo->external_aux = iinfo->external_aux; | |
1934 | ||
1935 | oinfo->symbolic_header.issMax = iinfo->symbolic_header.issMax; | |
1936 | oinfo->ss = iinfo->ss; | |
1937 | ||
1938 | oinfo->symbolic_header.ifdMax = iinfo->symbolic_header.ifdMax; | |
1939 | oinfo->external_fdr = iinfo->external_fdr; | |
1940 | ||
1941 | oinfo->symbolic_header.crfd = iinfo->symbolic_header.crfd; | |
1942 | oinfo->external_rfd = iinfo->external_rfd; | |
1943 | } | |
1944 | else | |
1945 | { | |
1946 | /* We are discarding all the local symbol information. Look | |
1947 | through the external symbols and remove all references to FDR | |
1948 | or aux information. */ | |
1949 | c = bfd_get_symcount (obfd); | |
1950 | sym_ptr_ptr = bfd_get_outsymbols (obfd); | |
1951 | for (; c > 0; c--, sym_ptr_ptr++) | |
1952 | { | |
1953 | EXTR esym; | |
1954 | ||
1955 | (*(ecoff_backend (obfd)->debug_swap.swap_ext_in)) | |
1956 | (obfd, ecoffsymbol (*sym_ptr_ptr)->native, &esym); | |
1957 | esym.ifd = ifdNil; | |
1958 | esym.asym.index = indexNil; | |
1959 | (*(ecoff_backend (obfd)->debug_swap.swap_ext_out)) | |
1960 | (obfd, &esym, ecoffsymbol (*sym_ptr_ptr)->native); | |
1961 | } | |
1962 | } | |
1963 | ||
1964 | return true; | |
1965 | } | |
1966 | \f | |
dae31cf5 ILT |
1967 | /* Set the architecture. The supported architecture is stored in the |
1968 | backend pointer. We always set the architecture anyhow, since many | |
1969 | callers ignore the return value. */ | |
1970 | ||
1971 | boolean | |
75f3ef7a | 1972 | _bfd_ecoff_set_arch_mach (abfd, arch, machine) |
dae31cf5 ILT |
1973 | bfd *abfd; |
1974 | enum bfd_architecture arch; | |
1975 | unsigned long machine; | |
1976 | { | |
1977 | bfd_default_set_arch_mach (abfd, arch, machine); | |
1978 | return arch == ecoff_backend (abfd)->arch; | |
1979 | } | |
1980 | ||
8e5090ce | 1981 | /* Get the size of the section headers. */ |
dae31cf5 | 1982 | |
728472f1 | 1983 | /*ARGSUSED*/ |
dae31cf5 | 1984 | int |
75f3ef7a | 1985 | _bfd_ecoff_sizeof_headers (abfd, reloc) |
dae31cf5 ILT |
1986 | bfd *abfd; |
1987 | boolean reloc; | |
1988 | { | |
a7853216 ILT |
1989 | asection *current; |
1990 | int c; | |
d6074cdd | 1991 | int ret; |
a7853216 ILT |
1992 | |
1993 | c = 0; | |
1994 | for (current = abfd->sections; | |
1995 | current != (asection *)NULL; | |
1996 | current = current->next) | |
8e5090ce | 1997 | ++c; |
a7853216 | 1998 | |
626f883f ILT |
1999 | ret = (bfd_coff_filhsz (abfd) |
2000 | + bfd_coff_aoutsz (abfd) | |
2001 | + c * bfd_coff_scnhsz (abfd)); | |
2002 | return BFD_ALIGN (ret, 16); | |
a7853216 ILT |
2003 | } |
2004 | ||
8e5090ce | 2005 | /* Get the contents of a section. */ |
a7853216 ILT |
2006 | |
2007 | boolean | |
75f3ef7a | 2008 | _bfd_ecoff_get_section_contents (abfd, section, location, offset, count) |
a7853216 ILT |
2009 | bfd *abfd; |
2010 | asection *section; | |
2011 | PTR location; | |
2012 | file_ptr offset; | |
2013 | bfd_size_type count; | |
2014 | { | |
8e5090ce ILT |
2015 | return _bfd_generic_get_section_contents (abfd, section, location, |
2016 | offset, count); | |
dae31cf5 ILT |
2017 | } |
2018 | ||
aca73687 ILT |
2019 | /* Sort sections by VMA, but put SEC_ALLOC sections first. This is |
2020 | called via qsort. */ | |
2021 | ||
2022 | static int | |
2023 | ecoff_sort_hdrs (arg1, arg2) | |
2024 | const PTR arg1; | |
2025 | const PTR arg2; | |
2026 | { | |
2027 | const asection *hdr1 = *(const asection **) arg1; | |
2028 | const asection *hdr2 = *(const asection **) arg2; | |
2029 | ||
2030 | if ((hdr1->flags & SEC_ALLOC) != 0) | |
2031 | { | |
2032 | if ((hdr2->flags & SEC_ALLOC) == 0) | |
2033 | return -1; | |
2034 | } | |
2035 | else | |
2036 | { | |
2037 | if ((hdr2->flags & SEC_ALLOC) != 0) | |
2038 | return 1; | |
2039 | } | |
2040 | if (hdr1->vma < hdr2->vma) | |
2041 | return -1; | |
2042 | else if (hdr1->vma > hdr2->vma) | |
2043 | return 1; | |
2044 | else | |
2045 | return 0; | |
2046 | } | |
2047 | ||
dae31cf5 ILT |
2048 | /* Calculate the file position for each section, and set |
2049 | reloc_filepos. */ | |
2050 | ||
aca73687 | 2051 | static boolean |
dae31cf5 ILT |
2052 | ecoff_compute_section_file_positions (abfd) |
2053 | bfd *abfd; | |
2054 | { | |
dae31cf5 | 2055 | file_ptr sofar; |
aca73687 ILT |
2056 | asection **sorted_hdrs; |
2057 | asection *current; | |
2058 | unsigned int i; | |
dae31cf5 | 2059 | file_ptr old_sofar; |
aca73687 ILT |
2060 | boolean first_data, first_nonalloc; |
2061 | const bfd_vma round = ecoff_backend (abfd)->round; | |
dae31cf5 | 2062 | |
75f3ef7a | 2063 | sofar = _bfd_ecoff_sizeof_headers (abfd, false); |
dae31cf5 | 2064 | |
aca73687 ILT |
2065 | /* Sort the sections by VMA. */ |
2066 | sorted_hdrs = (asection **) malloc (abfd->section_count | |
2067 | * sizeof (asection *)); | |
2068 | if (sorted_hdrs == NULL) | |
2069 | { | |
2070 | bfd_set_error (bfd_error_no_memory); | |
2071 | return false; | |
2072 | } | |
2073 | for (current = abfd->sections, i = 0; | |
2074 | current != NULL; | |
2075 | current = current->next, i++) | |
2076 | sorted_hdrs[i] = current; | |
2077 | BFD_ASSERT (i == abfd->section_count); | |
2078 | ||
2079 | qsort (sorted_hdrs, abfd->section_count, sizeof (asection *), | |
2080 | ecoff_sort_hdrs); | |
2081 | ||
dae31cf5 | 2082 | first_data = true; |
aca73687 ILT |
2083 | first_nonalloc = true; |
2084 | for (i = 0; i < abfd->section_count; i++) | |
dae31cf5 | 2085 | { |
3f048f7f ILT |
2086 | unsigned int alignment_power; |
2087 | ||
aca73687 ILT |
2088 | current = sorted_hdrs[i]; |
2089 | ||
dae31cf5 | 2090 | /* Only deal with sections which have contents */ |
8e5090ce | 2091 | if ((current->flags & (SEC_HAS_CONTENTS | SEC_LOAD)) == 0) |
dae31cf5 ILT |
2092 | continue; |
2093 | ||
3f048f7f ILT |
2094 | /* For the Alpha ECOFF .pdata section the lnnoptr field is |
2095 | supposed to indicate the number of .pdata entries that are | |
2096 | really in the section. Each entry is 8 bytes. We store this | |
2097 | away in line_filepos before increasing the section size. */ | |
2098 | if (strcmp (current->name, _PDATA) != 0) | |
2099 | alignment_power = current->alignment_power; | |
2100 | else | |
2101 | { | |
2102 | current->line_filepos = current->_raw_size / 8; | |
2103 | alignment_power = 4; | |
2104 | } | |
2105 | ||
dae31cf5 ILT |
2106 | /* On Ultrix, the data sections in an executable file must be |
2107 | aligned to a page boundary within the file. This does not | |
2108 | affect the section size, though. FIXME: Does this work for | |
c9668c58 ILT |
2109 | other platforms? It requires some modification for the |
2110 | Alpha, because .rdata on the Alpha goes with the text, not | |
2111 | the data. */ | |
dae31cf5 ILT |
2112 | if ((abfd->flags & EXEC_P) != 0 |
2113 | && (abfd->flags & D_PAGED) != 0 | |
a877f591 | 2114 | && ! first_data |
c9668c58 ILT |
2115 | && (current->flags & SEC_CODE) == 0 |
2116 | && (! ecoff_backend (abfd)->rdata_in_text | |
2117 | || strcmp (current->name, _RDATA) != 0) | |
a877f591 ILT |
2118 | && strcmp (current->name, _PDATA) != 0 |
2119 | && strcmp (current->name, _RCONST) != 0) | |
dae31cf5 | 2120 | { |
dae31cf5 ILT |
2121 | sofar = (sofar + round - 1) &~ (round - 1); |
2122 | first_data = false; | |
2123 | } | |
f8ee1ebb ILT |
2124 | else if (strcmp (current->name, _LIB) == 0) |
2125 | { | |
f8ee1ebb ILT |
2126 | /* On Irix 4, the location of contents of the .lib section |
2127 | from a shared library section is also rounded up to a | |
2128 | page boundary. */ | |
2129 | ||
2130 | sofar = (sofar + round - 1) &~ (round - 1); | |
2131 | } | |
aca73687 ILT |
2132 | else if (first_nonalloc |
2133 | && (current->flags & SEC_ALLOC) == 0 | |
2134 | && (abfd->flags & D_PAGED) != 0) | |
2135 | { | |
2136 | /* Skip up to the next page for an unallocated section, such | |
2137 | as the .comment section on the Alpha. This leaves room | |
2138 | for the .bss section. */ | |
2139 | first_nonalloc = false; | |
2140 | sofar = (sofar + round - 1) &~ (round - 1); | |
2141 | } | |
dae31cf5 ILT |
2142 | |
2143 | /* Align the sections in the file to the same boundary on | |
2144 | which they are aligned in virtual memory. */ | |
2145 | old_sofar = sofar; | |
3f048f7f | 2146 | sofar = BFD_ALIGN (sofar, 1 << alignment_power); |
dae31cf5 | 2147 | |
aca73687 ILT |
2148 | if ((abfd->flags & D_PAGED) != 0 |
2149 | && (current->flags & SEC_ALLOC) != 0) | |
2150 | sofar += (current->vma - sofar) % round; | |
2151 | ||
dae31cf5 ILT |
2152 | current->filepos = sofar; |
2153 | ||
2154 | sofar += current->_raw_size; | |
2155 | ||
2156 | /* make sure that this section is of the right size too */ | |
2157 | old_sofar = sofar; | |
3f048f7f | 2158 | sofar = BFD_ALIGN (sofar, 1 << alignment_power); |
dae31cf5 ILT |
2159 | current->_raw_size += sofar - old_sofar; |
2160 | } | |
2161 | ||
aca73687 ILT |
2162 | free (sorted_hdrs); |
2163 | sorted_hdrs = NULL; | |
2164 | ||
dae31cf5 | 2165 | ecoff_data (abfd)->reloc_filepos = sofar; |
aca73687 ILT |
2166 | |
2167 | return true; | |
dae31cf5 ILT |
2168 | } |
2169 | ||
966e0a16 | 2170 | /* Determine the location of the relocs for all the sections in the |
3f048f7f ILT |
2171 | output file, as well as the location of the symbolic debugging |
2172 | information. */ | |
966e0a16 ILT |
2173 | |
2174 | static bfd_size_type | |
2175 | ecoff_compute_reloc_file_positions (abfd) | |
2176 | bfd *abfd; | |
2177 | { | |
2178 | const bfd_size_type external_reloc_size = | |
2179 | ecoff_backend (abfd)->external_reloc_size; | |
2180 | file_ptr reloc_base; | |
2181 | bfd_size_type reloc_size; | |
2182 | asection *current; | |
3f048f7f | 2183 | file_ptr sym_base; |
966e0a16 ILT |
2184 | |
2185 | if (! abfd->output_has_begun) | |
3f048f7f | 2186 | { |
aca73687 ILT |
2187 | if (! ecoff_compute_section_file_positions (abfd)) |
2188 | abort (); | |
3f048f7f ILT |
2189 | abfd->output_has_begun = true; |
2190 | } | |
966e0a16 ILT |
2191 | |
2192 | reloc_base = ecoff_data (abfd)->reloc_filepos; | |
2193 | ||
2194 | reloc_size = 0; | |
2195 | for (current = abfd->sections; | |
2196 | current != (asection *)NULL; | |
2197 | current = current->next) | |
2198 | { | |
966e0a16 ILT |
2199 | if (current->reloc_count == 0) |
2200 | current->rel_filepos = 0; | |
2201 | else | |
2202 | { | |
2203 | bfd_size_type relsize; | |
2204 | ||
2205 | current->rel_filepos = reloc_base; | |
2206 | relsize = current->reloc_count * external_reloc_size; | |
2207 | reloc_size += relsize; | |
2208 | reloc_base += relsize; | |
2209 | } | |
2210 | } | |
2211 | ||
3f048f7f ILT |
2212 | sym_base = ecoff_data (abfd)->reloc_filepos + reloc_size; |
2213 | ||
2214 | /* At least on Ultrix, the symbol table of an executable file must | |
2215 | be aligned to a page boundary. FIXME: Is this true on other | |
2216 | platforms? */ | |
2217 | if ((abfd->flags & EXEC_P) != 0 | |
2218 | && (abfd->flags & D_PAGED) != 0) | |
2219 | sym_base = ((sym_base + ecoff_backend (abfd)->round - 1) | |
2220 | &~ (ecoff_backend (abfd)->round - 1)); | |
2221 | ||
2222 | ecoff_data (abfd)->sym_filepos = sym_base; | |
2223 | ||
966e0a16 ILT |
2224 | return reloc_size; |
2225 | } | |
2226 | ||
8e5090ce | 2227 | /* Set the contents of a section. */ |
dae31cf5 ILT |
2228 | |
2229 | boolean | |
75f3ef7a | 2230 | _bfd_ecoff_set_section_contents (abfd, section, location, offset, count) |
dae31cf5 ILT |
2231 | bfd *abfd; |
2232 | asection *section; | |
2233 | PTR location; | |
2234 | file_ptr offset; | |
2235 | bfd_size_type count; | |
2236 | { | |
966e0a16 ILT |
2237 | /* This must be done first, because bfd_set_section_contents is |
2238 | going to set output_has_begun to true. */ | |
dae31cf5 | 2239 | if (abfd->output_has_begun == false) |
aca73687 ILT |
2240 | { |
2241 | if (! ecoff_compute_section_file_positions (abfd)) | |
2242 | return false; | |
2243 | } | |
dae31cf5 | 2244 | |
f8ee1ebb ILT |
2245 | /* If this is a .lib section, bump the vma address so that it winds |
2246 | up being the number of .lib sections output. This is right for | |
2247 | Irix 4. Ian Taylor <ian@cygnus.com>. */ | |
2248 | if (strcmp (section->name, _LIB) == 0) | |
2249 | ++section->vma; | |
2250 | ||
966e0a16 ILT |
2251 | if (count == 0) |
2252 | return true; | |
2253 | ||
8e5090ce ILT |
2254 | if (bfd_seek (abfd, (file_ptr) (section->filepos + offset), SEEK_SET) != 0 |
2255 | || bfd_write (location, 1, count, abfd) != count) | |
2256 | return false; | |
2257 | ||
2258 | return true; | |
2259 | } | |
2260 | ||
2261 | /* Get the GP value for an ECOFF file. This is a hook used by | |
2262 | nlmconv. */ | |
2263 | ||
2264 | bfd_vma | |
2265 | bfd_ecoff_get_gp_value (abfd) | |
2266 | bfd *abfd; | |
2267 | { | |
2268 | if (bfd_get_flavour (abfd) != bfd_target_ecoff_flavour | |
2269 | || bfd_get_format (abfd) != bfd_object) | |
a7853216 | 2270 | { |
8e5090ce ILT |
2271 | bfd_set_error (bfd_error_invalid_operation); |
2272 | return 0; | |
2273 | } | |
2274 | ||
2275 | return ecoff_data (abfd)->gp; | |
2276 | } | |
a7853216 | 2277 | |
8e5090ce ILT |
2278 | /* Set the GP value for an ECOFF file. This is a hook used by the |
2279 | assembler. */ | |
2280 | ||
2281 | boolean | |
2282 | bfd_ecoff_set_gp_value (abfd, gp_value) | |
2283 | bfd *abfd; | |
2284 | bfd_vma gp_value; | |
2285 | { | |
2286 | if (bfd_get_flavour (abfd) != bfd_target_ecoff_flavour | |
2287 | || bfd_get_format (abfd) != bfd_object) | |
2288 | { | |
2289 | bfd_set_error (bfd_error_invalid_operation); | |
2290 | return false; | |
2291 | } | |
a7853216 | 2292 | |
8e5090ce | 2293 | ecoff_data (abfd)->gp = gp_value; |
a7853216 | 2294 | |
8e5090ce ILT |
2295 | return true; |
2296 | } | |
a7853216 | 2297 | |
8e5090ce ILT |
2298 | /* Set the register masks for an ECOFF file. This is a hook used by |
2299 | the assembler. */ | |
2300 | ||
2301 | boolean | |
2302 | bfd_ecoff_set_regmasks (abfd, gprmask, fprmask, cprmask) | |
2303 | bfd *abfd; | |
2304 | unsigned long gprmask; | |
2305 | unsigned long fprmask; | |
2306 | unsigned long *cprmask; | |
2307 | { | |
2308 | ecoff_data_type *tdata; | |
2309 | ||
2310 | if (bfd_get_flavour (abfd) != bfd_target_ecoff_flavour | |
2311 | || bfd_get_format (abfd) != bfd_object) | |
2312 | { | |
2313 | bfd_set_error (bfd_error_invalid_operation); | |
2314 | return false; | |
a7853216 ILT |
2315 | } |
2316 | ||
8e5090ce ILT |
2317 | tdata = ecoff_data (abfd); |
2318 | tdata->gprmask = gprmask; | |
2319 | tdata->fprmask = fprmask; | |
2320 | if (cprmask != (unsigned long *) NULL) | |
2321 | { | |
2322 | register int i; | |
2323 | ||
2324 | for (i = 0; i < 3; i++) | |
2325 | tdata->cprmask[i] = cprmask[i]; | |
2326 | } | |
dae31cf5 ILT |
2327 | |
2328 | return true; | |
2329 | } | |
2330 | ||
966e0a16 ILT |
2331 | /* Get ECOFF EXTR information for an external symbol. This function |
2332 | is passed to bfd_ecoff_debug_externals. */ | |
dae31cf5 | 2333 | |
966e0a16 ILT |
2334 | static boolean |
2335 | ecoff_get_extr (sym, esym) | |
2336 | asymbol *sym; | |
2337 | EXTR *esym; | |
dae31cf5 | 2338 | { |
966e0a16 ILT |
2339 | ecoff_symbol_type *ecoff_sym_ptr; |
2340 | bfd *input_bfd; | |
2341 | ||
966e0a16 ILT |
2342 | if (bfd_asymbol_flavour (sym) != bfd_target_ecoff_flavour |
2343 | || ecoffsymbol (sym)->native == NULL) | |
2344 | { | |
1bb42b1f ILT |
2345 | /* Don't include debugging, local, or section symbols. */ |
2346 | if ((sym->flags & BSF_DEBUGGING) != 0 | |
2347 | || (sym->flags & BSF_LOCAL) != 0 | |
2348 | || (sym->flags & BSF_SECTION_SYM) != 0) | |
2349 | return false; | |
2350 | ||
966e0a16 ILT |
2351 | esym->jmptbl = 0; |
2352 | esym->cobol_main = 0; | |
0652d579 | 2353 | esym->weakext = (sym->flags & BSF_WEAK) != 0; |
966e0a16 ILT |
2354 | esym->reserved = 0; |
2355 | esym->ifd = ifdNil; | |
2356 | /* FIXME: we can do better than this for st and sc. */ | |
2357 | esym->asym.st = stGlobal; | |
2358 | esym->asym.sc = scAbs; | |
2359 | esym->asym.reserved = 0; | |
2360 | esym->asym.index = indexNil; | |
2361 | return true; | |
2362 | } | |
2363 | ||
2364 | ecoff_sym_ptr = ecoffsymbol (sym); | |
2365 | ||
2366 | if (ecoff_sym_ptr->local) | |
1bb42b1f | 2367 | return false; |
966e0a16 ILT |
2368 | |
2369 | input_bfd = bfd_asymbol_bfd (sym); | |
2370 | (*(ecoff_backend (input_bfd)->debug_swap.swap_ext_in)) | |
2371 | (input_bfd, ecoff_sym_ptr->native, esym); | |
2372 | ||
2373 | /* If the symbol was defined by the linker, then esym will be | |
2374 | undefined but sym will not be. Get a better class for such a | |
2375 | symbol. */ | |
2376 | if ((esym->asym.sc == scUndefined | |
2377 | || esym->asym.sc == scSUndefined) | |
7b18561f | 2378 | && ! bfd_is_und_section (bfd_get_section (sym))) |
966e0a16 ILT |
2379 | esym->asym.sc = scAbs; |
2380 | ||
2381 | /* Adjust the FDR index for the symbol by that used for the input | |
2382 | BFD. */ | |
3f048f7f ILT |
2383 | if (esym->ifd != -1) |
2384 | { | |
2385 | struct ecoff_debug_info *input_debug; | |
2386 | ||
2387 | input_debug = &ecoff_data (input_bfd)->debug_info; | |
2388 | BFD_ASSERT (esym->ifd < input_debug->symbolic_header.ifdMax); | |
2389 | if (input_debug->ifdmap != (RFDT *) NULL) | |
2390 | esym->ifd = input_debug->ifdmap[esym->ifd]; | |
2391 | } | |
966e0a16 ILT |
2392 | |
2393 | return true; | |
2394 | } | |
2395 | ||
2396 | /* Set the external symbol index. This routine is passed to | |
2397 | bfd_ecoff_debug_externals. */ | |
2398 | ||
2399 | static void | |
2400 | ecoff_set_index (sym, indx) | |
2401 | asymbol *sym; | |
2402 | bfd_size_type indx; | |
2403 | { | |
2404 | ecoff_set_sym_index (sym, indx); | |
2405 | } | |
2406 | ||
2407 | /* Write out an ECOFF file. */ | |
2408 | ||
2409 | boolean | |
75f3ef7a | 2410 | _bfd_ecoff_write_object_contents (abfd) |
966e0a16 ILT |
2411 | bfd *abfd; |
2412 | { | |
2413 | const struct ecoff_backend_data * const backend = ecoff_backend (abfd); | |
2414 | const bfd_vma round = backend->round; | |
2415 | const bfd_size_type filhsz = bfd_coff_filhsz (abfd); | |
2416 | const bfd_size_type aoutsz = bfd_coff_aoutsz (abfd); | |
2417 | const bfd_size_type scnhsz = bfd_coff_scnhsz (abfd); | |
2418 | const bfd_size_type external_hdr_size | |
2419 | = backend->debug_swap.external_hdr_size; | |
2420 | const bfd_size_type external_reloc_size = backend->external_reloc_size; | |
2421 | void (* const adjust_reloc_out) PARAMS ((bfd *, | |
2422 | const arelent *, | |
2423 | struct internal_reloc *)) | |
c9668c58 | 2424 | = backend->adjust_reloc_out; |
dae31cf5 ILT |
2425 | void (* const swap_reloc_out) PARAMS ((bfd *, |
2426 | const struct internal_reloc *, | |
2427 | PTR)) | |
2428 | = backend->swap_reloc_out; | |
8d12f138 ILT |
2429 | struct ecoff_debug_info * const debug = &ecoff_data (abfd)->debug_info; |
2430 | HDRR * const symhdr = &debug->symbolic_header; | |
dae31cf5 ILT |
2431 | asection *current; |
2432 | unsigned int count; | |
966e0a16 | 2433 | bfd_size_type reloc_size; |
22a71fef ILT |
2434 | bfd_size_type text_size; |
2435 | bfd_vma text_start; | |
1788b1bd | 2436 | boolean set_text_start; |
22a71fef ILT |
2437 | bfd_size_type data_size; |
2438 | bfd_vma data_start; | |
1788b1bd | 2439 | boolean set_data_start; |
22a71fef | 2440 | bfd_size_type bss_size; |
80425e6c JK |
2441 | PTR buff = NULL; |
2442 | PTR reloc_buff = NULL; | |
dae31cf5 ILT |
2443 | struct internal_filehdr internal_f; |
2444 | struct internal_aouthdr internal_a; | |
2445 | int i; | |
2446 | ||
966e0a16 ILT |
2447 | /* Determine where the sections and relocs will go in the output |
2448 | file. */ | |
2449 | reloc_size = ecoff_compute_reloc_file_positions (abfd); | |
dae31cf5 ILT |
2450 | |
2451 | count = 1; | |
dae31cf5 ILT |
2452 | for (current = abfd->sections; |
2453 | current != (asection *)NULL; | |
2454 | current = current->next) | |
2455 | { | |
dae31cf5 ILT |
2456 | current->target_index = count; |
2457 | ++count; | |
dae31cf5 ILT |
2458 | } |
2459 | ||
dae31cf5 | 2460 | if ((abfd->flags & D_PAGED) != 0) |
75f3ef7a | 2461 | text_size = _bfd_ecoff_sizeof_headers (abfd, false); |
dae31cf5 ILT |
2462 | else |
2463 | text_size = 0; | |
2464 | text_start = 0; | |
1788b1bd | 2465 | set_text_start = false; |
dae31cf5 ILT |
2466 | data_size = 0; |
2467 | data_start = 0; | |
1788b1bd | 2468 | set_data_start = false; |
dae31cf5 ILT |
2469 | bss_size = 0; |
2470 | ||
2471 | /* Write section headers to the file. */ | |
2472 | ||
80425e6c JK |
2473 | /* Allocate buff big enough to hold a section header, |
2474 | file header, or a.out header. */ | |
2475 | { | |
2476 | bfd_size_type siz; | |
2477 | siz = scnhsz; | |
2478 | if (siz < filhsz) | |
2479 | siz = filhsz; | |
2480 | if (siz < aoutsz) | |
2481 | siz = aoutsz; | |
ae115e51 | 2482 | buff = (PTR) malloc ((size_t) siz); |
80425e6c JK |
2483 | if (buff == NULL) |
2484 | { | |
2485 | bfd_set_error (bfd_error_no_memory); | |
2486 | goto error_return; | |
2487 | } | |
2488 | } | |
2489 | ||
dae31cf5 ILT |
2490 | internal_f.f_nscns = 0; |
2491 | if (bfd_seek (abfd, (file_ptr) (filhsz + aoutsz), SEEK_SET) != 0) | |
80425e6c | 2492 | goto error_return; |
dae31cf5 ILT |
2493 | for (current = abfd->sections; |
2494 | current != (asection *) NULL; | |
2495 | current = current->next) | |
2496 | { | |
2497 | struct internal_scnhdr section; | |
2498 | bfd_vma vma; | |
2499 | ||
dae31cf5 ILT |
2500 | ++internal_f.f_nscns; |
2501 | ||
2502 | strncpy (section.s_name, current->name, sizeof section.s_name); | |
2503 | ||
f8ee1ebb | 2504 | /* This seems to be correct for Irix 4 shared libraries. */ |
dae31cf5 ILT |
2505 | vma = bfd_get_section_vma (abfd, current); |
2506 | if (strcmp (current->name, _LIB) == 0) | |
2507 | section.s_vaddr = 0; | |
2508 | else | |
2509 | section.s_vaddr = vma; | |
2510 | ||
2511 | section.s_paddr = vma; | |
2512 | section.s_size = bfd_get_section_size_before_reloc (current); | |
2513 | ||
e544ed4f ILT |
2514 | /* If this section is unloadable then the scnptr will be 0. */ |
2515 | if ((current->flags & (SEC_LOAD | SEC_HAS_CONTENTS)) == 0) | |
dae31cf5 ILT |
2516 | section.s_scnptr = 0; |
2517 | else | |
2518 | section.s_scnptr = current->filepos; | |
2519 | section.s_relptr = current->rel_filepos; | |
2520 | ||
2521 | /* FIXME: the lnnoptr of the .sbss or .sdata section of an | |
2522 | object file produced by the assembler is supposed to point to | |
2523 | information about how much room is required by objects of | |
2524 | various different sizes. I think this only matters if we | |
2525 | want the linker to compute the best size to use, or | |
2526 | something. I don't know what happens if the information is | |
2527 | not present. */ | |
3f048f7f ILT |
2528 | if (strcmp (current->name, _PDATA) != 0) |
2529 | section.s_lnnoptr = 0; | |
2530 | else | |
2531 | { | |
2532 | /* The Alpha ECOFF .pdata section uses the lnnoptr field to | |
2533 | hold the number of entries in the section (each entry is | |
2534 | 8 bytes). We stored this in the line_filepos field in | |
2535 | ecoff_compute_section_file_positions. */ | |
2536 | section.s_lnnoptr = current->line_filepos; | |
2537 | } | |
dae31cf5 ILT |
2538 | |
2539 | section.s_nreloc = current->reloc_count; | |
2540 | section.s_nlnno = 0; | |
2541 | section.s_flags = ecoff_sec_to_styp_flags (current->name, | |
2542 | current->flags); | |
2543 | ||
9675c281 ILT |
2544 | if (bfd_coff_swap_scnhdr_out (abfd, (PTR) §ion, buff) == 0 |
2545 | || bfd_write (buff, 1, scnhsz, abfd) != scnhsz) | |
80425e6c | 2546 | goto error_return; |
dae31cf5 | 2547 | |
c9668c58 ILT |
2548 | if ((section.s_flags & STYP_TEXT) != 0 |
2549 | || ((section.s_flags & STYP_RDATA) != 0 | |
2550 | && backend->rdata_in_text) | |
aca73687 ILT |
2551 | || section.s_flags == STYP_PDATA |
2552 | || (section.s_flags & STYP_DYNAMIC) != 0 | |
2553 | || (section.s_flags & STYP_LIBLIST) != 0 | |
2554 | || (section.s_flags & STYP_RELDYN) != 0 | |
2555 | || section.s_flags == STYP_CONFLIC | |
2556 | || (section.s_flags & STYP_DYNSTR) != 0 | |
2557 | || (section.s_flags & STYP_DYNSYM) != 0 | |
2558 | || (section.s_flags & STYP_HASH) != 0 | |
2559 | || (section.s_flags & STYP_ECOFF_INIT) != 0 | |
a877f591 ILT |
2560 | || (section.s_flags & STYP_ECOFF_FINI) != 0 |
2561 | || section.s_flags == STYP_RCONST) | |
dae31cf5 ILT |
2562 | { |
2563 | text_size += bfd_get_section_size_before_reloc (current); | |
1788b1bd ILT |
2564 | if (! set_text_start || text_start > vma) |
2565 | { | |
2566 | text_start = vma; | |
2567 | set_text_start = true; | |
2568 | } | |
dae31cf5 ILT |
2569 | } |
2570 | else if ((section.s_flags & STYP_RDATA) != 0 | |
2571 | || (section.s_flags & STYP_DATA) != 0 | |
c9668c58 | 2572 | || (section.s_flags & STYP_LITA) != 0 |
dae31cf5 ILT |
2573 | || (section.s_flags & STYP_LIT8) != 0 |
2574 | || (section.s_flags & STYP_LIT4) != 0 | |
966e0a16 | 2575 | || (section.s_flags & STYP_SDATA) != 0 |
aca73687 ILT |
2576 | || section.s_flags == STYP_XDATA |
2577 | || (section.s_flags & STYP_GOT) != 0) | |
dae31cf5 ILT |
2578 | { |
2579 | data_size += bfd_get_section_size_before_reloc (current); | |
1788b1bd ILT |
2580 | if (! set_data_start || data_start > vma) |
2581 | { | |
2582 | data_start = vma; | |
2583 | set_data_start = true; | |
2584 | } | |
dae31cf5 ILT |
2585 | } |
2586 | else if ((section.s_flags & STYP_BSS) != 0 | |
2587 | || (section.s_flags & STYP_SBSS) != 0) | |
2588 | bss_size += bfd_get_section_size_before_reloc (current); | |
aca73687 ILT |
2589 | else if (section.s_flags == 0 |
2590 | || (section.s_flags & STYP_ECOFF_LIB) != 0 | |
2591 | || section.s_flags == STYP_COMMENT) | |
f8ee1ebb | 2592 | /* Do nothing */ ; |
966e0a16 ILT |
2593 | else |
2594 | abort (); | |
dae31cf5 ILT |
2595 | } |
2596 | ||
2597 | /* Set up the file header. */ | |
2598 | ||
a7853216 | 2599 | internal_f.f_magic = ecoff_get_magic (abfd); |
dae31cf5 ILT |
2600 | |
2601 | /* We will NOT put a fucking timestamp in the header here. Every | |
2602 | time you put it back, I will come in and take it out again. I'm | |
2603 | sorry. This field does not belong here. We fill it with a 0 so | |
2604 | it compares the same but is not a reasonable time. -- | |
2605 | gnu@cygnus.com. */ | |
2606 | internal_f.f_timdat = 0; | |
2607 | ||
2608 | if (bfd_get_symcount (abfd) != 0) | |
2609 | { | |
2610 | /* The ECOFF f_nsyms field is not actually the number of | |
2611 | symbols, it's the size of symbolic information header. */ | |
2612 | internal_f.f_nsyms = external_hdr_size; | |
3f048f7f | 2613 | internal_f.f_symptr = ecoff_data (abfd)->sym_filepos; |
dae31cf5 ILT |
2614 | } |
2615 | else | |
2616 | { | |
2617 | internal_f.f_nsyms = 0; | |
2618 | internal_f.f_symptr = 0; | |
2619 | } | |
2620 | ||
2621 | internal_f.f_opthdr = aoutsz; | |
2622 | ||
2623 | internal_f.f_flags = F_LNNO; | |
2624 | if (reloc_size == 0) | |
2625 | internal_f.f_flags |= F_RELFLG; | |
2626 | if (bfd_get_symcount (abfd) == 0) | |
2627 | internal_f.f_flags |= F_LSYMS; | |
2628 | if (abfd->flags & EXEC_P) | |
2629 | internal_f.f_flags |= F_EXEC; | |
2630 | ||
2631 | if (! abfd->xvec->byteorder_big_p) | |
2632 | internal_f.f_flags |= F_AR32WR; | |
2633 | else | |
2634 | internal_f.f_flags |= F_AR32W; | |
2635 | ||
2636 | /* Set up the ``optional'' header. */ | |
2637 | if ((abfd->flags & D_PAGED) != 0) | |
2638 | internal_a.magic = ECOFF_AOUT_ZMAGIC; | |
2639 | else | |
2640 | internal_a.magic = ECOFF_AOUT_OMAGIC; | |
2641 | ||
3f048f7f ILT |
2642 | /* FIXME: Is this really correct? */ |
2643 | internal_a.vstamp = symhdr->vstamp; | |
dae31cf5 ILT |
2644 | |
2645 | /* At least on Ultrix, these have to be rounded to page boundaries. | |
2646 | FIXME: Is this true on other platforms? */ | |
2647 | if ((abfd->flags & D_PAGED) != 0) | |
2648 | { | |
2649 | internal_a.tsize = (text_size + round - 1) &~ (round - 1); | |
2650 | internal_a.text_start = text_start &~ (round - 1); | |
2651 | internal_a.dsize = (data_size + round - 1) &~ (round - 1); | |
2652 | internal_a.data_start = data_start &~ (round - 1); | |
2653 | } | |
2654 | else | |
2655 | { | |
2656 | internal_a.tsize = text_size; | |
2657 | internal_a.text_start = text_start; | |
2658 | internal_a.dsize = data_size; | |
2659 | internal_a.data_start = data_start; | |
2660 | } | |
2661 | ||
2662 | /* On Ultrix, the initial portions of the .sbss and .bss segments | |
2663 | are at the end of the data section. The bsize field in the | |
2664 | optional header records how many bss bytes are required beyond | |
2665 | those in the data section. The value is not rounded to a page | |
2666 | boundary. */ | |
2667 | if (bss_size < internal_a.dsize - data_size) | |
2668 | bss_size = 0; | |
2669 | else | |
2670 | bss_size -= internal_a.dsize - data_size; | |
2671 | internal_a.bsize = bss_size; | |
2672 | internal_a.bss_start = internal_a.data_start + internal_a.dsize; | |
2673 | ||
2674 | internal_a.entry = bfd_get_start_address (abfd); | |
2675 | ||
2676 | internal_a.gp_value = ecoff_data (abfd)->gp; | |
2677 | ||
2678 | internal_a.gprmask = ecoff_data (abfd)->gprmask; | |
48edba81 | 2679 | internal_a.fprmask = ecoff_data (abfd)->fprmask; |
dae31cf5 ILT |
2680 | for (i = 0; i < 4; i++) |
2681 | internal_a.cprmask[i] = ecoff_data (abfd)->cprmask[i]; | |
2682 | ||
aca73687 ILT |
2683 | /* Let the backend adjust the headers if necessary. */ |
2684 | if (backend->adjust_headers) | |
2685 | { | |
2686 | if (! (*backend->adjust_headers) (abfd, &internal_f, &internal_a)) | |
2687 | goto error_return; | |
2688 | } | |
2689 | ||
dae31cf5 ILT |
2690 | /* Write out the file header and the optional header. */ |
2691 | ||
2692 | if (bfd_seek (abfd, (file_ptr) 0, SEEK_SET) != 0) | |
80425e6c | 2693 | goto error_return; |
dae31cf5 | 2694 | |
dae31cf5 ILT |
2695 | bfd_coff_swap_filehdr_out (abfd, (PTR) &internal_f, buff); |
2696 | if (bfd_write (buff, 1, filhsz, abfd) != filhsz) | |
80425e6c | 2697 | goto error_return; |
dae31cf5 | 2698 | |
dae31cf5 ILT |
2699 | bfd_coff_swap_aouthdr_out (abfd, (PTR) &internal_a, buff); |
2700 | if (bfd_write (buff, 1, aoutsz, abfd) != aoutsz) | |
80425e6c | 2701 | goto error_return; |
dae31cf5 | 2702 | |
8d12f138 | 2703 | /* Build the external symbol information. This must be done before |
469984d1 ILT |
2704 | writing out the relocs so that we know the symbol indices. We |
2705 | don't do this if this BFD was created by the backend linker, | |
2706 | since it will have already handled the symbols and relocs. */ | |
2707 | if (! ecoff_data (abfd)->linker) | |
dae31cf5 | 2708 | { |
966e0a16 ILT |
2709 | symhdr->iextMax = 0; |
2710 | symhdr->issExtMax = 0; | |
2711 | debug->external_ext = debug->external_ext_end = NULL; | |
2712 | debug->ssext = debug->ssext_end = NULL; | |
2713 | if (bfd_ecoff_debug_externals (abfd, debug, &backend->debug_swap, | |
2714 | (((abfd->flags & EXEC_P) == 0) | |
2715 | ? true : false), | |
2716 | ecoff_get_extr, ecoff_set_index) | |
2717 | == false) | |
80425e6c | 2718 | goto error_return; |
dae31cf5 | 2719 | |
966e0a16 ILT |
2720 | /* Write out the relocs. */ |
2721 | for (current = abfd->sections; | |
2722 | current != (asection *) NULL; | |
2723 | current = current->next) | |
dae31cf5 | 2724 | { |
966e0a16 ILT |
2725 | arelent **reloc_ptr_ptr; |
2726 | arelent **reloc_end; | |
2727 | char *out_ptr; | |
dae31cf5 | 2728 | |
966e0a16 ILT |
2729 | if (current->reloc_count == 0) |
2730 | continue; | |
dae31cf5 | 2731 | |
80425e6c JK |
2732 | reloc_buff = |
2733 | bfd_alloc (abfd, current->reloc_count * external_reloc_size); | |
2734 | if (reloc_buff == NULL) | |
a9713b91 | 2735 | goto error_return; |
966e0a16 ILT |
2736 | |
2737 | reloc_ptr_ptr = current->orelocation; | |
2738 | reloc_end = reloc_ptr_ptr + current->reloc_count; | |
80425e6c | 2739 | out_ptr = (char *) reloc_buff; |
966e0a16 ILT |
2740 | for (; |
2741 | reloc_ptr_ptr < reloc_end; | |
2742 | reloc_ptr_ptr++, out_ptr += external_reloc_size) | |
dae31cf5 | 2743 | { |
966e0a16 ILT |
2744 | arelent *reloc; |
2745 | asymbol *sym; | |
2746 | struct internal_reloc in; | |
2747 | ||
68241b2b | 2748 | memset ((PTR) &in, 0, sizeof in); |
966e0a16 ILT |
2749 | |
2750 | reloc = *reloc_ptr_ptr; | |
2751 | sym = *reloc->sym_ptr_ptr; | |
2752 | ||
2753 | in.r_vaddr = (reloc->address | |
2754 | + bfd_get_section_vma (abfd, current)); | |
2755 | in.r_type = reloc->howto->type; | |
2756 | ||
2757 | if ((sym->flags & BSF_SECTION_SYM) == 0) | |
2758 | { | |
2759 | in.r_symndx = ecoff_get_sym_index (*reloc->sym_ptr_ptr); | |
2760 | in.r_extern = 1; | |
2761 | } | |
dae31cf5 | 2762 | else |
966e0a16 ILT |
2763 | { |
2764 | CONST char *name; | |
2765 | ||
2766 | name = bfd_get_section_name (abfd, bfd_get_section (sym)); | |
2767 | if (strcmp (name, ".text") == 0) | |
2768 | in.r_symndx = RELOC_SECTION_TEXT; | |
2769 | else if (strcmp (name, ".rdata") == 0) | |
2770 | in.r_symndx = RELOC_SECTION_RDATA; | |
2771 | else if (strcmp (name, ".data") == 0) | |
2772 | in.r_symndx = RELOC_SECTION_DATA; | |
2773 | else if (strcmp (name, ".sdata") == 0) | |
2774 | in.r_symndx = RELOC_SECTION_SDATA; | |
2775 | else if (strcmp (name, ".sbss") == 0) | |
2776 | in.r_symndx = RELOC_SECTION_SBSS; | |
2777 | else if (strcmp (name, ".bss") == 0) | |
2778 | in.r_symndx = RELOC_SECTION_BSS; | |
2779 | else if (strcmp (name, ".init") == 0) | |
2780 | in.r_symndx = RELOC_SECTION_INIT; | |
2781 | else if (strcmp (name, ".lit8") == 0) | |
2782 | in.r_symndx = RELOC_SECTION_LIT8; | |
2783 | else if (strcmp (name, ".lit4") == 0) | |
2784 | in.r_symndx = RELOC_SECTION_LIT4; | |
2785 | else if (strcmp (name, ".xdata") == 0) | |
2786 | in.r_symndx = RELOC_SECTION_XDATA; | |
2787 | else if (strcmp (name, ".pdata") == 0) | |
2788 | in.r_symndx = RELOC_SECTION_PDATA; | |
2789 | else if (strcmp (name, ".fini") == 0) | |
2790 | in.r_symndx = RELOC_SECTION_FINI; | |
2791 | else if (strcmp (name, ".lita") == 0) | |
2792 | in.r_symndx = RELOC_SECTION_LITA; | |
2793 | else if (strcmp (name, "*ABS*") == 0) | |
2794 | in.r_symndx = RELOC_SECTION_ABS; | |
a877f591 ILT |
2795 | else if (strcmp (name, ".rconst") == 0) |
2796 | in.r_symndx = RELOC_SECTION_RCONST; | |
966e0a16 ILT |
2797 | else |
2798 | abort (); | |
2799 | in.r_extern = 0; | |
2800 | } | |
2801 | ||
2802 | (*adjust_reloc_out) (abfd, reloc, &in); | |
2803 | ||
2804 | (*swap_reloc_out) (abfd, &in, (PTR) out_ptr); | |
dae31cf5 ILT |
2805 | } |
2806 | ||
966e0a16 | 2807 | if (bfd_seek (abfd, current->rel_filepos, SEEK_SET) != 0) |
80425e6c JK |
2808 | goto error_return; |
2809 | if (bfd_write (reloc_buff, | |
2810 | external_reloc_size, current->reloc_count, abfd) | |
966e0a16 | 2811 | != external_reloc_size * current->reloc_count) |
80425e6c JK |
2812 | goto error_return; |
2813 | bfd_release (abfd, reloc_buff); | |
2814 | reloc_buff = NULL; | |
dae31cf5 | 2815 | } |
dae31cf5 | 2816 | |
3f048f7f ILT |
2817 | /* Write out the symbolic debugging information. */ |
2818 | if (bfd_get_symcount (abfd) > 0) | |
2819 | { | |
2820 | /* Write out the debugging information. */ | |
2821 | if (bfd_ecoff_write_debug (abfd, debug, &backend->debug_swap, | |
2822 | ecoff_data (abfd)->sym_filepos) | |
2823 | == false) | |
80425e6c | 2824 | goto error_return; |
3f048f7f | 2825 | } |
626f883f | 2826 | } |
dae31cf5 | 2827 | |
626f883f ILT |
2828 | /* The .bss section of a demand paged executable must receive an |
2829 | entire page. If there are symbols, the symbols will start on the | |
2830 | next page. If there are no symbols, we must fill out the page by | |
2831 | hand. */ | |
2832 | if (bfd_get_symcount (abfd) == 0 | |
2833 | && (abfd->flags & EXEC_P) != 0 | |
2834 | && (abfd->flags & D_PAGED) != 0) | |
2835 | { | |
2836 | char c; | |
2837 | ||
2838 | if (bfd_seek (abfd, (file_ptr) ecoff_data (abfd)->sym_filepos - 1, | |
2839 | SEEK_SET) != 0) | |
80425e6c | 2840 | goto error_return; |
626f883f ILT |
2841 | if (bfd_read (&c, 1, 1, abfd) == 0) |
2842 | c = 0; | |
2843 | if (bfd_seek (abfd, (file_ptr) ecoff_data (abfd)->sym_filepos - 1, | |
2844 | SEEK_SET) != 0) | |
80425e6c | 2845 | goto error_return; |
626f883f | 2846 | if (bfd_write (&c, 1, 1, abfd) != 1) |
80425e6c | 2847 | goto error_return; |
dae31cf5 ILT |
2848 | } |
2849 | ||
80425e6c JK |
2850 | if (reloc_buff != NULL) |
2851 | bfd_release (abfd, reloc_buff); | |
2852 | if (buff != NULL) | |
2853 | free (buff); | |
dae31cf5 | 2854 | return true; |
80425e6c JK |
2855 | error_return: |
2856 | if (reloc_buff != NULL) | |
2857 | bfd_release (abfd, reloc_buff); | |
2858 | if (buff != NULL) | |
2859 | free (buff); | |
2860 | return false; | |
dae31cf5 ILT |
2861 | } |
2862 | \f | |
2863 | /* Archive handling. ECOFF uses what appears to be a unique type of | |
b59f0276 ILT |
2864 | archive header (armap). The byte ordering of the armap and the |
2865 | contents are encoded in the name of the armap itself. At least for | |
2866 | now, we only support archives with the same byte ordering in the | |
2867 | armap and the contents. | |
dae31cf5 ILT |
2868 | |
2869 | The first four bytes in the armap are the number of symbol | |
2870 | definitions. This is always a power of two. | |
2871 | ||
2872 | This is followed by the symbol definitions. Each symbol definition | |
2873 | occupies 8 bytes. The first four bytes are the offset from the | |
2874 | start of the armap strings to the null-terminated string naming | |
2875 | this symbol. The second four bytes are the file offset to the | |
2876 | archive member which defines this symbol. If the second four bytes | |
2877 | are 0, then this is not actually a symbol definition, and it should | |
2878 | be ignored. | |
2879 | ||
2880 | The symbols are hashed into the armap with a closed hashing scheme. | |
2881 | See the functions below for the details of the algorithm. | |
2882 | ||
dae31cf5 ILT |
2883 | After the symbol definitions comes four bytes holding the size of |
2884 | the string table, followed by the string table itself. */ | |
2885 | ||
2886 | /* The name of an archive headers looks like this: | |
2887 | __________E[BL]E[BL]_ (with a trailing space). | |
2888 | The trailing space is changed to an X if the archive is changed to | |
48edba81 ILT |
2889 | indicate that the armap is out of date. |
2890 | ||
2891 | The Alpha seems to use ________64E[BL]E[BL]_. */ | |
dae31cf5 ILT |
2892 | |
2893 | #define ARMAP_BIG_ENDIAN 'B' | |
2894 | #define ARMAP_LITTLE_ENDIAN 'L' | |
2895 | #define ARMAP_MARKER 'E' | |
48edba81 | 2896 | #define ARMAP_START_LENGTH 10 |
dae31cf5 ILT |
2897 | #define ARMAP_HEADER_MARKER_INDEX 10 |
2898 | #define ARMAP_HEADER_ENDIAN_INDEX 11 | |
2899 | #define ARMAP_OBJECT_MARKER_INDEX 12 | |
2900 | #define ARMAP_OBJECT_ENDIAN_INDEX 13 | |
2901 | #define ARMAP_END_INDEX 14 | |
2902 | #define ARMAP_END "_ " | |
2903 | ||
2904 | /* This is a magic number used in the hashing algorithm. */ | |
2905 | #define ARMAP_HASH_MAGIC 0x9dd68ab5 | |
2906 | ||
2907 | /* This returns the hash value to use for a string. It also sets | |
2908 | *REHASH to the rehash adjustment if the first slot is taken. SIZE | |
2909 | is the number of entries in the hash table, and HLOG is the log | |
2910 | base 2 of SIZE. */ | |
2911 | ||
2912 | static unsigned int | |
2913 | ecoff_armap_hash (s, rehash, size, hlog) | |
2914 | CONST char *s; | |
2915 | unsigned int *rehash; | |
2916 | unsigned int size; | |
2917 | unsigned int hlog; | |
2918 | { | |
2919 | unsigned int hash; | |
2920 | ||
2921 | hash = *s++; | |
2922 | while (*s != '\0') | |
2923 | hash = ((hash >> 27) | (hash << 5)) + *s++; | |
2924 | hash *= ARMAP_HASH_MAGIC; | |
2925 | *rehash = (hash & (size - 1)) | 1; | |
2926 | return hash >> (32 - hlog); | |
2927 | } | |
2928 | ||
2929 | /* Read in the armap. */ | |
2930 | ||
2931 | boolean | |
75f3ef7a | 2932 | _bfd_ecoff_slurp_armap (abfd) |
dae31cf5 ILT |
2933 | bfd *abfd; |
2934 | { | |
2935 | char nextname[17]; | |
2936 | unsigned int i; | |
2937 | struct areltdata *mapdata; | |
2938 | bfd_size_type parsed_size; | |
2939 | char *raw_armap; | |
2940 | struct artdata *ardata; | |
2941 | unsigned int count; | |
2942 | char *raw_ptr; | |
2943 | struct symdef *symdef_ptr; | |
2944 | char *stringbase; | |
2945 | ||
2946 | /* Get the name of the first element. */ | |
2947 | i = bfd_read ((PTR) nextname, 1, 16, abfd); | |
2948 | if (i == 0) | |
2949 | return true; | |
2950 | if (i != 16) | |
2951 | return false; | |
2952 | ||
4002f18a ILT |
2953 | if (bfd_seek (abfd, (file_ptr) -16, SEEK_CUR) != 0) |
2954 | return false; | |
dae31cf5 | 2955 | |
8c11363a ILT |
2956 | /* Irix 4.0.5F apparently can use either an ECOFF armap or a |
2957 | standard COFF armap. We could move the ECOFF armap stuff into | |
2958 | bfd_slurp_armap, but that seems inappropriate since no other | |
2959 | target uses this format. Instead, we check directly for a COFF | |
2960 | armap. */ | |
2961 | if (strncmp (nextname, "/ ", 16) == 0) | |
2962 | return bfd_slurp_armap (abfd); | |
2963 | ||
dae31cf5 | 2964 | /* See if the first element is an armap. */ |
48edba81 ILT |
2965 | if (strncmp (nextname, ecoff_backend (abfd)->armap_start, |
2966 | ARMAP_START_LENGTH) != 0 | |
dae31cf5 ILT |
2967 | || nextname[ARMAP_HEADER_MARKER_INDEX] != ARMAP_MARKER |
2968 | || (nextname[ARMAP_HEADER_ENDIAN_INDEX] != ARMAP_BIG_ENDIAN | |
2969 | && nextname[ARMAP_HEADER_ENDIAN_INDEX] != ARMAP_LITTLE_ENDIAN) | |
2970 | || nextname[ARMAP_OBJECT_MARKER_INDEX] != ARMAP_MARKER | |
2971 | || (nextname[ARMAP_OBJECT_ENDIAN_INDEX] != ARMAP_BIG_ENDIAN | |
2972 | && nextname[ARMAP_OBJECT_ENDIAN_INDEX] != ARMAP_LITTLE_ENDIAN) | |
2973 | || strncmp (nextname + ARMAP_END_INDEX, | |
2974 | ARMAP_END, sizeof ARMAP_END - 1) != 0) | |
2975 | { | |
2976 | bfd_has_map (abfd) = false; | |
2977 | return true; | |
2978 | } | |
2979 | ||
2980 | /* Make sure we have the right byte ordering. */ | |
2981 | if (((nextname[ARMAP_HEADER_ENDIAN_INDEX] == ARMAP_BIG_ENDIAN) | |
2982 | ^ (abfd->xvec->header_byteorder_big_p != false)) | |
2983 | || ((nextname[ARMAP_OBJECT_ENDIAN_INDEX] == ARMAP_BIG_ENDIAN) | |
2984 | ^ (abfd->xvec->byteorder_big_p != false))) | |
2985 | { | |
d1ad85a6 | 2986 | bfd_set_error (bfd_error_wrong_format); |
dae31cf5 ILT |
2987 | return false; |
2988 | } | |
2989 | ||
2990 | /* Read in the armap. */ | |
2991 | ardata = bfd_ardata (abfd); | |
a877f591 | 2992 | mapdata = (struct areltdata *) _bfd_read_ar_hdr (abfd); |
dae31cf5 ILT |
2993 | if (mapdata == (struct areltdata *) NULL) |
2994 | return false; | |
2995 | parsed_size = mapdata->parsed_size; | |
2996 | bfd_release (abfd, (PTR) mapdata); | |
2997 | ||
2998 | raw_armap = (char *) bfd_alloc (abfd, parsed_size); | |
2999 | if (raw_armap == (char *) NULL) | |
a9713b91 | 3000 | return false; |
dae31cf5 ILT |
3001 | |
3002 | if (bfd_read ((PTR) raw_armap, 1, parsed_size, abfd) != parsed_size) | |
3003 | { | |
4002f18a ILT |
3004 | if (bfd_get_error () != bfd_error_system_call) |
3005 | bfd_set_error (bfd_error_malformed_archive); | |
dae31cf5 ILT |
3006 | bfd_release (abfd, (PTR) raw_armap); |
3007 | return false; | |
3008 | } | |
3009 | ||
b59f0276 ILT |
3010 | ardata->tdata = (PTR) raw_armap; |
3011 | ||
dae31cf5 ILT |
3012 | count = bfd_h_get_32 (abfd, (PTR) raw_armap); |
3013 | ||
3014 | ardata->symdef_count = 0; | |
3015 | ardata->cache = (struct ar_cache *) NULL; | |
3016 | ||
48edba81 ILT |
3017 | /* This code used to overlay the symdefs over the raw archive data, |
3018 | but that doesn't work on a 64 bit host. */ | |
3019 | ||
e544ed4f | 3020 | stringbase = raw_armap + count * 8 + 8; |
dae31cf5 ILT |
3021 | |
3022 | #ifdef CHECK_ARMAP_HASH | |
3023 | { | |
3024 | unsigned int hlog; | |
3025 | ||
3026 | /* Double check that I have the hashing algorithm right by making | |
3027 | sure that every symbol can be looked up successfully. */ | |
3028 | hlog = 0; | |
3029 | for (i = 1; i < count; i <<= 1) | |
3030 | hlog++; | |
3031 | BFD_ASSERT (i == count); | |
3032 | ||
e544ed4f ILT |
3033 | raw_ptr = raw_armap + 4; |
3034 | for (i = 0; i < count; i++, raw_ptr += 8) | |
dae31cf5 ILT |
3035 | { |
3036 | unsigned int name_offset, file_offset; | |
3037 | unsigned int hash, rehash, srch; | |
3038 | ||
3039 | name_offset = bfd_h_get_32 (abfd, (PTR) raw_ptr); | |
e544ed4f | 3040 | file_offset = bfd_h_get_32 (abfd, (PTR) (raw_ptr + 4)); |
dae31cf5 ILT |
3041 | if (file_offset == 0) |
3042 | continue; | |
3043 | hash = ecoff_armap_hash (stringbase + name_offset, &rehash, count, | |
3044 | hlog); | |
3045 | if (hash == i) | |
3046 | continue; | |
3047 | ||
3048 | /* See if we can rehash to this location. */ | |
3049 | for (srch = (hash + rehash) & (count - 1); | |
3050 | srch != hash && srch != i; | |
3051 | srch = (srch + rehash) & (count - 1)) | |
e544ed4f | 3052 | BFD_ASSERT (bfd_h_get_32 (abfd, (PTR) (raw_armap + 8 + srch * 8)) |
dae31cf5 ILT |
3053 | != 0); |
3054 | BFD_ASSERT (srch == i); | |
3055 | } | |
3056 | } | |
3057 | ||
dae31cf5 ILT |
3058 | #endif /* CHECK_ARMAP_HASH */ |
3059 | ||
e544ed4f ILT |
3060 | raw_ptr = raw_armap + 4; |
3061 | for (i = 0; i < count; i++, raw_ptr += 8) | |
3062 | if (bfd_h_get_32 (abfd, (PTR) (raw_ptr + 4)) != 0) | |
48edba81 ILT |
3063 | ++ardata->symdef_count; |
3064 | ||
3065 | symdef_ptr = ((struct symdef *) | |
3066 | bfd_alloc (abfd, | |
3067 | ardata->symdef_count * sizeof (struct symdef))); | |
9783e04a | 3068 | if (!symdef_ptr) |
a9713b91 | 3069 | return false; |
9783e04a | 3070 | |
48edba81 ILT |
3071 | ardata->symdefs = (carsym *) symdef_ptr; |
3072 | ||
e544ed4f ILT |
3073 | raw_ptr = raw_armap + 4; |
3074 | for (i = 0; i < count; i++, raw_ptr += 8) | |
dae31cf5 ILT |
3075 | { |
3076 | unsigned int name_offset, file_offset; | |
3077 | ||
e544ed4f | 3078 | file_offset = bfd_h_get_32 (abfd, (PTR) (raw_ptr + 4)); |
dae31cf5 ILT |
3079 | if (file_offset == 0) |
3080 | continue; | |
48edba81 | 3081 | name_offset = bfd_h_get_32 (abfd, (PTR) raw_ptr); |
dae31cf5 ILT |
3082 | symdef_ptr->s.name = stringbase + name_offset; |
3083 | symdef_ptr->file_offset = file_offset; | |
3084 | ++symdef_ptr; | |
dae31cf5 ILT |
3085 | } |
3086 | ||
3087 | ardata->first_file_filepos = bfd_tell (abfd); | |
3088 | /* Pad to an even boundary. */ | |
3089 | ardata->first_file_filepos += ardata->first_file_filepos % 2; | |
3090 | ||
3091 | bfd_has_map (abfd) = true; | |
3092 | ||
3093 | return true; | |
3094 | } | |
3095 | ||
3096 | /* Write out an armap. */ | |
3097 | ||
3098 | boolean | |
75f3ef7a | 3099 | _bfd_ecoff_write_armap (abfd, elength, map, orl_count, stridx) |
dae31cf5 ILT |
3100 | bfd *abfd; |
3101 | unsigned int elength; | |
3102 | struct orl *map; | |
3103 | unsigned int orl_count; | |
3104 | int stridx; | |
3105 | { | |
3106 | unsigned int hashsize, hashlog; | |
3107 | unsigned int symdefsize; | |
3108 | int padit; | |
3109 | unsigned int stringsize; | |
3110 | unsigned int mapsize; | |
3111 | file_ptr firstreal; | |
3112 | struct ar_hdr hdr; | |
3113 | struct stat statbuf; | |
3114 | unsigned int i; | |
e544ed4f | 3115 | bfd_byte temp[4]; |
dae31cf5 ILT |
3116 | bfd_byte *hashtable; |
3117 | bfd *current; | |
3118 | bfd *last_elt; | |
3119 | ||
3120 | /* Ultrix appears to use as a hash table size the least power of two | |
3121 | greater than twice the number of entries. */ | |
3122 | for (hashlog = 0; (1 << hashlog) <= 2 * orl_count; hashlog++) | |
3123 | ; | |
3124 | hashsize = 1 << hashlog; | |
3125 | ||
e544ed4f | 3126 | symdefsize = hashsize * 8; |
dae31cf5 ILT |
3127 | padit = stridx % 2; |
3128 | stringsize = stridx + padit; | |
3129 | ||
3130 | /* Include 8 bytes to store symdefsize and stringsize in output. */ | |
e544ed4f | 3131 | mapsize = symdefsize + stringsize + 8; |
dae31cf5 ILT |
3132 | |
3133 | firstreal = SARMAG + sizeof (struct ar_hdr) + mapsize + elength; | |
3134 | ||
3135 | memset ((PTR) &hdr, 0, sizeof hdr); | |
3136 | ||
3137 | /* Work out the ECOFF armap name. */ | |
48edba81 | 3138 | strcpy (hdr.ar_name, ecoff_backend (abfd)->armap_start); |
dae31cf5 ILT |
3139 | hdr.ar_name[ARMAP_HEADER_MARKER_INDEX] = ARMAP_MARKER; |
3140 | hdr.ar_name[ARMAP_HEADER_ENDIAN_INDEX] = | |
3141 | (abfd->xvec->header_byteorder_big_p | |
3142 | ? ARMAP_BIG_ENDIAN | |
3143 | : ARMAP_LITTLE_ENDIAN); | |
3144 | hdr.ar_name[ARMAP_OBJECT_MARKER_INDEX] = ARMAP_MARKER; | |
3145 | hdr.ar_name[ARMAP_OBJECT_ENDIAN_INDEX] = | |
3146 | abfd->xvec->byteorder_big_p ? ARMAP_BIG_ENDIAN : ARMAP_LITTLE_ENDIAN; | |
3147 | memcpy (hdr.ar_name + ARMAP_END_INDEX, ARMAP_END, sizeof ARMAP_END - 1); | |
3148 | ||
3149 | /* Write the timestamp of the archive header to be just a little bit | |
3150 | later than the timestamp of the file, otherwise the linker will | |
3151 | complain that the index is out of date. Actually, the Ultrix | |
3152 | linker just checks the archive name; the GNU linker may check the | |
3153 | date. */ | |
3154 | stat (abfd->filename, &statbuf); | |
3155 | sprintf (hdr.ar_date, "%ld", (long) (statbuf.st_mtime + 60)); | |
3156 | ||
3157 | /* The DECstation uses zeroes for the uid, gid and mode of the | |
3158 | armap. */ | |
3159 | hdr.ar_uid[0] = '0'; | |
3160 | hdr.ar_gid[0] = '0'; | |
3161 | hdr.ar_mode[0] = '0'; | |
3162 | ||
3163 | sprintf (hdr.ar_size, "%-10d", (int) mapsize); | |
3164 | ||
3165 | hdr.ar_fmag[0] = '`'; | |
9a793780 | 3166 | hdr.ar_fmag[1] = '\012'; |
dae31cf5 ILT |
3167 | |
3168 | /* Turn all null bytes in the header into spaces. */ | |
3169 | for (i = 0; i < sizeof (struct ar_hdr); i++) | |
3170 | if (((char *)(&hdr))[i] == '\0') | |
3171 | (((char *)(&hdr))[i]) = ' '; | |
3172 | ||
3173 | if (bfd_write ((PTR) &hdr, 1, sizeof (struct ar_hdr), abfd) | |
3174 | != sizeof (struct ar_hdr)) | |
3175 | return false; | |
3176 | ||
4c3721d5 | 3177 | bfd_h_put_32 (abfd, (bfd_vma) hashsize, temp); |
728472f1 | 3178 | if (bfd_write ((PTR) temp, 1, 4, abfd) != 4) |
dae31cf5 ILT |
3179 | return false; |
3180 | ||
3181 | hashtable = (bfd_byte *) bfd_zalloc (abfd, symdefsize); | |
9783e04a | 3182 | if (!hashtable) |
a9713b91 | 3183 | return false; |
dae31cf5 ILT |
3184 | |
3185 | current = abfd->archive_head; | |
3186 | last_elt = current; | |
3187 | for (i = 0; i < orl_count; i++) | |
3188 | { | |
3189 | unsigned int hash, rehash; | |
3190 | ||
3191 | /* Advance firstreal to the file position of this archive | |
3192 | element. */ | |
3193 | if (((bfd *) map[i].pos) != last_elt) | |
3194 | { | |
3195 | do | |
3196 | { | |
3197 | firstreal += arelt_size (current) + sizeof (struct ar_hdr); | |
3198 | firstreal += firstreal % 2; | |
3199 | current = current->next; | |
3200 | } | |
3201 | while (current != (bfd *) map[i].pos); | |
3202 | } | |
3203 | ||
3204 | last_elt = current; | |
3205 | ||
3206 | hash = ecoff_armap_hash (*map[i].name, &rehash, hashsize, hashlog); | |
e544ed4f | 3207 | if (bfd_h_get_32 (abfd, (PTR) (hashtable + (hash * 8) + 4)) != 0) |
dae31cf5 ILT |
3208 | { |
3209 | unsigned int srch; | |
3210 | ||
3211 | /* The desired slot is already taken. */ | |
3212 | for (srch = (hash + rehash) & (hashsize - 1); | |
3213 | srch != hash; | |
3214 | srch = (srch + rehash) & (hashsize - 1)) | |
e544ed4f | 3215 | if (bfd_h_get_32 (abfd, (PTR) (hashtable + (srch * 8) + 4)) == 0) |
dae31cf5 ILT |
3216 | break; |
3217 | ||
3218 | BFD_ASSERT (srch != hash); | |
3219 | ||
3220 | hash = srch; | |
3221 | } | |
3222 | ||
4c3721d5 ILT |
3223 | bfd_h_put_32 (abfd, (bfd_vma) map[i].namidx, |
3224 | (PTR) (hashtable + hash * 8)); | |
3225 | bfd_h_put_32 (abfd, (bfd_vma) firstreal, | |
3226 | (PTR) (hashtable + hash * 8 + 4)); | |
dae31cf5 ILT |
3227 | } |
3228 | ||
728472f1 | 3229 | if (bfd_write ((PTR) hashtable, 1, symdefsize, abfd) != symdefsize) |
dae31cf5 ILT |
3230 | return false; |
3231 | ||
3232 | bfd_release (abfd, hashtable); | |
3233 | ||
3234 | /* Now write the strings. */ | |
4c3721d5 | 3235 | bfd_h_put_32 (abfd, (bfd_vma) stringsize, temp); |
728472f1 | 3236 | if (bfd_write ((PTR) temp, 1, 4, abfd) != 4) |
dae31cf5 ILT |
3237 | return false; |
3238 | for (i = 0; i < orl_count; i++) | |
3239 | { | |
3240 | bfd_size_type len; | |
3241 | ||
3242 | len = strlen (*map[i].name) + 1; | |
3243 | if (bfd_write ((PTR) (*map[i].name), 1, len, abfd) != len) | |
3244 | return false; | |
3245 | } | |
3246 | ||
3247 | /* The spec sez this should be a newline. But in order to be | |
3248 | bug-compatible for DECstation ar we use a null. */ | |
3249 | if (padit) | |
3250 | { | |
728472f1 | 3251 | if (bfd_write ("", 1, 1, abfd) != 1) |
dae31cf5 ILT |
3252 | return false; |
3253 | } | |
3254 | ||
3255 | return true; | |
3256 | } | |
3257 | ||
3258 | /* See whether this BFD is an archive. If it is, read in the armap | |
3259 | and the extended name table. */ | |
3260 | ||
2f3508ad | 3261 | const bfd_target * |
75f3ef7a | 3262 | _bfd_ecoff_archive_p (abfd) |
dae31cf5 ILT |
3263 | bfd *abfd; |
3264 | { | |
3265 | char armag[SARMAG + 1]; | |
3266 | ||
3267 | if (bfd_read ((PTR) armag, 1, SARMAG, abfd) != SARMAG | |
3268 | || strncmp (armag, ARMAG, SARMAG) != 0) | |
3269 | { | |
4002f18a ILT |
3270 | if (bfd_get_error () != bfd_error_system_call) |
3271 | bfd_set_error (bfd_error_wrong_format); | |
2f3508ad | 3272 | return (const bfd_target *) NULL; |
dae31cf5 ILT |
3273 | } |
3274 | ||
3275 | /* We are setting bfd_ardata(abfd) here, but since bfd_ardata | |
3276 | involves a cast, we can't do it as the left operand of | |
3277 | assignment. */ | |
3278 | abfd->tdata.aout_ar_data = | |
3279 | (struct artdata *) bfd_zalloc (abfd, sizeof (struct artdata)); | |
3280 | ||
3281 | if (bfd_ardata (abfd) == (struct artdata *) NULL) | |
a9713b91 | 3282 | return (const bfd_target *) NULL; |
dae31cf5 ILT |
3283 | |
3284 | bfd_ardata (abfd)->first_file_filepos = SARMAG; | |
b59f0276 ILT |
3285 | bfd_ardata (abfd)->cache = NULL; |
3286 | bfd_ardata (abfd)->archive_head = NULL; | |
3287 | bfd_ardata (abfd)->symdefs = NULL; | |
3288 | bfd_ardata (abfd)->extended_names = NULL; | |
3289 | bfd_ardata (abfd)->tdata = NULL; | |
dae31cf5 | 3290 | |
75f3ef7a ILT |
3291 | if (_bfd_ecoff_slurp_armap (abfd) == false |
3292 | || _bfd_ecoff_slurp_extended_name_table (abfd) == false) | |
dae31cf5 ILT |
3293 | { |
3294 | bfd_release (abfd, bfd_ardata (abfd)); | |
3295 | abfd->tdata.aout_ar_data = (struct artdata *) NULL; | |
2f3508ad | 3296 | return (const bfd_target *) NULL; |
dae31cf5 ILT |
3297 | } |
3298 | ||
3299 | return abfd->xvec; | |
3300 | } | |
966e0a16 ILT |
3301 | \f |
3302 | /* ECOFF linker code. */ | |
3303 | ||
3304 | static struct bfd_hash_entry *ecoff_link_hash_newfunc | |
3305 | PARAMS ((struct bfd_hash_entry *entry, | |
3306 | struct bfd_hash_table *table, | |
3307 | const char *string)); | |
3308 | static boolean ecoff_link_add_archive_symbols | |
3309 | PARAMS ((bfd *, struct bfd_link_info *)); | |
3310 | static boolean ecoff_link_check_archive_element | |
3311 | PARAMS ((bfd *, struct bfd_link_info *, boolean *pneeded)); | |
3312 | static boolean ecoff_link_add_object_symbols | |
3313 | PARAMS ((bfd *, struct bfd_link_info *)); | |
3314 | static boolean ecoff_link_add_externals | |
3315 | PARAMS ((bfd *, struct bfd_link_info *, PTR, char *)); | |
3316 | ||
3317 | /* Routine to create an entry in an ECOFF link hash table. */ | |
3318 | ||
3319 | static struct bfd_hash_entry * | |
3320 | ecoff_link_hash_newfunc (entry, table, string) | |
3321 | struct bfd_hash_entry *entry; | |
3322 | struct bfd_hash_table *table; | |
3323 | const char *string; | |
3324 | { | |
3325 | struct ecoff_link_hash_entry *ret = (struct ecoff_link_hash_entry *) entry; | |
3326 | ||
3327 | /* Allocate the structure if it has not already been allocated by a | |
3328 | subclass. */ | |
3329 | if (ret == (struct ecoff_link_hash_entry *) NULL) | |
3330 | ret = ((struct ecoff_link_hash_entry *) | |
3331 | bfd_hash_allocate (table, sizeof (struct ecoff_link_hash_entry))); | |
9783e04a | 3332 | if (ret == (struct ecoff_link_hash_entry *) NULL) |
a9713b91 | 3333 | return NULL; |
966e0a16 ILT |
3334 | |
3335 | /* Call the allocation method of the superclass. */ | |
3336 | ret = ((struct ecoff_link_hash_entry *) | |
3337 | _bfd_link_hash_newfunc ((struct bfd_hash_entry *) ret, | |
3338 | table, string)); | |
3339 | ||
9783e04a DM |
3340 | if (ret) |
3341 | { | |
3342 | /* Set local fields. */ | |
3343 | ret->indx = -1; | |
3344 | ret->abfd = NULL; | |
ac9ed096 ILT |
3345 | ret->written = 0; |
3346 | ret->small = 0; | |
9783e04a | 3347 | } |
68241b2b | 3348 | memset ((PTR) &ret->esym, 0, sizeof ret->esym); |
966e0a16 ILT |
3349 | |
3350 | return (struct bfd_hash_entry *) ret; | |
3351 | } | |
3352 | ||
3353 | /* Create an ECOFF link hash table. */ | |
3354 | ||
3355 | struct bfd_link_hash_table * | |
75f3ef7a | 3356 | _bfd_ecoff_bfd_link_hash_table_create (abfd) |
966e0a16 ILT |
3357 | bfd *abfd; |
3358 | { | |
3359 | struct ecoff_link_hash_table *ret; | |
3360 | ||
3361 | ret = ((struct ecoff_link_hash_table *) | |
ae115e51 ILT |
3362 | bfd_alloc (abfd, sizeof (struct ecoff_link_hash_table))); |
3363 | if (ret == NULL) | |
a9713b91 | 3364 | return NULL; |
966e0a16 ILT |
3365 | if (! _bfd_link_hash_table_init (&ret->root, abfd, |
3366 | ecoff_link_hash_newfunc)) | |
3367 | { | |
3368 | free (ret); | |
3369 | return (struct bfd_link_hash_table *) NULL; | |
3370 | } | |
3371 | return &ret->root; | |
3372 | } | |
3373 | ||
3374 | /* Look up an entry in an ECOFF link hash table. */ | |
3375 | ||
3376 | #define ecoff_link_hash_lookup(table, string, create, copy, follow) \ | |
3377 | ((struct ecoff_link_hash_entry *) \ | |
3378 | bfd_link_hash_lookup (&(table)->root, (string), (create), (copy), (follow))) | |
3379 | ||
3380 | /* Traverse an ECOFF link hash table. */ | |
3381 | ||
3382 | #define ecoff_link_hash_traverse(table, func, info) \ | |
3383 | (bfd_link_hash_traverse \ | |
3384 | (&(table)->root, \ | |
3385 | (boolean (*) PARAMS ((struct bfd_link_hash_entry *, PTR))) (func), \ | |
3386 | (info))) | |
3387 | ||
3388 | /* Get the ECOFF link hash table from the info structure. This is | |
3389 | just a cast. */ | |
3390 | ||
3391 | #define ecoff_hash_table(p) ((struct ecoff_link_hash_table *) ((p)->hash)) | |
3392 | ||
3393 | /* Given an ECOFF BFD, add symbols to the global hash table as | |
3394 | appropriate. */ | |
3395 | ||
3396 | boolean | |
75f3ef7a | 3397 | _bfd_ecoff_bfd_link_add_symbols (abfd, info) |
966e0a16 ILT |
3398 | bfd *abfd; |
3399 | struct bfd_link_info *info; | |
3400 | { | |
3401 | switch (bfd_get_format (abfd)) | |
3402 | { | |
3403 | case bfd_object: | |
3404 | return ecoff_link_add_object_symbols (abfd, info); | |
3405 | case bfd_archive: | |
3406 | return ecoff_link_add_archive_symbols (abfd, info); | |
3407 | default: | |
d1ad85a6 | 3408 | bfd_set_error (bfd_error_wrong_format); |
966e0a16 ILT |
3409 | return false; |
3410 | } | |
3411 | } | |
3412 | ||
3413 | /* Add the symbols from an archive file to the global hash table. | |
3414 | This looks through the undefined symbols, looks each one up in the | |
3415 | archive hash table, and adds any associated object file. We do not | |
3416 | use _bfd_generic_link_add_archive_symbols because ECOFF archives | |
3417 | already have a hash table, so there is no reason to construct | |
3418 | another one. */ | |
3419 | ||
3420 | static boolean | |
3421 | ecoff_link_add_archive_symbols (abfd, info) | |
3422 | bfd *abfd; | |
3423 | struct bfd_link_info *info; | |
3424 | { | |
3425 | const bfd_byte *raw_armap; | |
3426 | struct bfd_link_hash_entry **pundef; | |
3427 | unsigned int armap_count; | |
3428 | unsigned int armap_log; | |
3429 | unsigned int i; | |
3430 | const bfd_byte *hashtable; | |
3431 | const char *stringbase; | |
3432 | ||
3433 | if (! bfd_has_map (abfd)) | |
3434 | { | |
6c97aedf ILT |
3435 | /* An empty archive is a special case. */ |
3436 | if (bfd_openr_next_archived_file (abfd, (bfd *) NULL) == NULL) | |
3437 | return true; | |
9675c281 | 3438 | bfd_set_error (bfd_error_no_armap); |
966e0a16 ILT |
3439 | return false; |
3440 | } | |
3441 | ||
3442 | /* If we don't have any raw data for this archive, as can happen on | |
3443 | Irix 4.0.5F, we call the generic routine. | |
3444 | FIXME: We should be more clever about this, since someday tdata | |
3445 | may get to something for a generic archive. */ | |
3446 | raw_armap = (const bfd_byte *) bfd_ardata (abfd)->tdata; | |
3447 | if (raw_armap == (bfd_byte *) NULL) | |
3448 | return (_bfd_generic_link_add_archive_symbols | |
3449 | (abfd, info, ecoff_link_check_archive_element)); | |
3450 | ||
3451 | armap_count = bfd_h_get_32 (abfd, raw_armap); | |
3452 | ||
3453 | armap_log = 0; | |
3454 | for (i = 1; i < armap_count; i <<= 1) | |
3455 | armap_log++; | |
3456 | BFD_ASSERT (i == armap_count); | |
3457 | ||
3458 | hashtable = raw_armap + 4; | |
3459 | stringbase = (const char *) raw_armap + armap_count * 8 + 8; | |
3460 | ||
3461 | /* Look through the list of undefined symbols. */ | |
3462 | pundef = &info->hash->undefs; | |
3463 | while (*pundef != (struct bfd_link_hash_entry *) NULL) | |
3464 | { | |
3465 | struct bfd_link_hash_entry *h; | |
3466 | unsigned int hash, rehash; | |
3467 | unsigned int file_offset; | |
3468 | const char *name; | |
3469 | bfd *element; | |
3470 | ||
3471 | h = *pundef; | |
3472 | ||
3473 | /* When a symbol is defined, it is not necessarily removed from | |
3474 | the list. */ | |
3475 | if (h->type != bfd_link_hash_undefined | |
3476 | && h->type != bfd_link_hash_common) | |
3477 | { | |
3478 | /* Remove this entry from the list, for general cleanliness | |
3479 | and because we are going to look through the list again | |
3480 | if we search any more libraries. We can't remove the | |
3481 | entry if it is the tail, because that would lose any | |
3482 | entries we add to the list later on. */ | |
3483 | if (*pundef != info->hash->undefs_tail) | |
3484 | *pundef = (*pundef)->next; | |
3485 | else | |
3486 | pundef = &(*pundef)->next; | |
3487 | continue; | |
3488 | } | |
3489 | ||
3490 | /* Native ECOFF linkers do not pull in archive elements merely | |
3491 | to satisfy common definitions, so neither do we. We leave | |
3492 | them on the list, though, in case we are linking against some | |
3493 | other object format. */ | |
3494 | if (h->type != bfd_link_hash_undefined) | |
3495 | { | |
3496 | pundef = &(*pundef)->next; | |
3497 | continue; | |
3498 | } | |
3499 | ||
3500 | /* Look for this symbol in the archive hash table. */ | |
3501 | hash = ecoff_armap_hash (h->root.string, &rehash, armap_count, | |
3502 | armap_log); | |
3503 | ||
3504 | file_offset = bfd_h_get_32 (abfd, hashtable + (hash * 8) + 4); | |
3505 | if (file_offset == 0) | |
3506 | { | |
3507 | /* Nothing in this slot. */ | |
3508 | pundef = &(*pundef)->next; | |
3509 | continue; | |
3510 | } | |
3511 | ||
3512 | name = stringbase + bfd_h_get_32 (abfd, hashtable + (hash * 8)); | |
3513 | if (name[0] != h->root.string[0] | |
3514 | || strcmp (name, h->root.string) != 0) | |
3515 | { | |
3516 | unsigned int srch; | |
3517 | boolean found; | |
3518 | ||
3519 | /* That was the wrong symbol. Try rehashing. */ | |
3520 | found = false; | |
3521 | for (srch = (hash + rehash) & (armap_count - 1); | |
3522 | srch != hash; | |
3523 | srch = (srch + rehash) & (armap_count - 1)) | |
3524 | { | |
3525 | file_offset = bfd_h_get_32 (abfd, hashtable + (srch * 8) + 4); | |
3526 | if (file_offset == 0) | |
3527 | break; | |
3528 | name = stringbase + bfd_h_get_32 (abfd, hashtable + (srch * 8)); | |
3529 | if (name[0] == h->root.string[0] | |
3530 | && strcmp (name, h->root.string) == 0) | |
3531 | { | |
3532 | found = true; | |
3533 | break; | |
3534 | } | |
3535 | } | |
3536 | ||
3537 | if (! found) | |
3538 | { | |
3539 | pundef = &(*pundef)->next; | |
3540 | continue; | |
3541 | } | |
3542 | ||
3543 | hash = srch; | |
3544 | } | |
3545 | ||
3546 | element = _bfd_get_elt_at_filepos (abfd, file_offset); | |
3547 | if (element == (bfd *) NULL) | |
3548 | return false; | |
3549 | ||
3550 | if (! bfd_check_format (element, bfd_object)) | |
3551 | return false; | |
3552 | ||
3553 | /* Unlike the generic linker, we know that this element provides | |
3554 | a definition for an undefined symbol and we know that we want | |
3555 | to include it. We don't need to check anything. */ | |
3556 | if (! (*info->callbacks->add_archive_element) (info, element, name)) | |
3557 | return false; | |
3558 | if (! ecoff_link_add_object_symbols (element, info)) | |
3559 | return false; | |
3560 | ||
3561 | pundef = &(*pundef)->next; | |
3562 | } | |
3563 | ||
3564 | return true; | |
3565 | } | |
3566 | ||
3567 | /* This is called if we used _bfd_generic_link_add_archive_symbols | |
3568 | because we were not dealing with an ECOFF archive. */ | |
3569 | ||
3570 | static boolean | |
3571 | ecoff_link_check_archive_element (abfd, info, pneeded) | |
3572 | bfd *abfd; | |
3573 | struct bfd_link_info *info; | |
3574 | boolean *pneeded; | |
3575 | { | |
3576 | const struct ecoff_backend_data * const backend = ecoff_backend (abfd); | |
3577 | void (* const swap_ext_in) PARAMS ((bfd *, PTR, EXTR *)) | |
3578 | = backend->debug_swap.swap_ext_in; | |
3579 | HDRR *symhdr; | |
3580 | bfd_size_type external_ext_size; | |
80425e6c | 3581 | PTR external_ext = NULL; |
966e0a16 | 3582 | size_t esize; |
80425e6c | 3583 | char *ssext = NULL; |
966e0a16 ILT |
3584 | char *ext_ptr; |
3585 | char *ext_end; | |
3586 | ||
3587 | *pneeded = false; | |
3588 | ||
3589 | if (! ecoff_slurp_symbolic_header (abfd)) | |
80425e6c | 3590 | goto error_return; |
966e0a16 ILT |
3591 | |
3592 | /* If there are no symbols, we don't want it. */ | |
3593 | if (bfd_get_symcount (abfd) == 0) | |
80425e6c | 3594 | goto successful_return; |
966e0a16 ILT |
3595 | |
3596 | symhdr = &ecoff_data (abfd)->debug_info.symbolic_header; | |
3597 | ||
3598 | /* Read in the external symbols and external strings. */ | |
3599 | external_ext_size = backend->debug_swap.external_ext_size; | |
3600 | esize = symhdr->iextMax * external_ext_size; | |
80425e6c | 3601 | external_ext = (PTR) malloc (esize); |
a3a33af3 | 3602 | if (external_ext == NULL && esize != 0) |
80425e6c JK |
3603 | { |
3604 | bfd_set_error (bfd_error_no_memory); | |
3605 | goto error_return; | |
3606 | } | |
3607 | ||
966e0a16 ILT |
3608 | if (bfd_seek (abfd, symhdr->cbExtOffset, SEEK_SET) != 0 |
3609 | || bfd_read (external_ext, 1, esize, abfd) != esize) | |
80425e6c JK |
3610 | goto error_return; |
3611 | ||
3612 | ssext = (char *) malloc (symhdr->issExtMax); | |
a3a33af3 | 3613 | if (ssext == NULL && symhdr->issExtMax != 0) |
80425e6c JK |
3614 | { |
3615 | bfd_set_error (bfd_error_no_memory); | |
3616 | goto error_return; | |
3617 | } | |
966e0a16 | 3618 | |
966e0a16 | 3619 | if (bfd_seek (abfd, symhdr->cbSsExtOffset, SEEK_SET) != 0 |
ae115e51 ILT |
3620 | || (bfd_read (ssext, 1, symhdr->issExtMax, abfd) != |
3621 | (bfd_size_type) symhdr->issExtMax)) | |
80425e6c | 3622 | goto error_return; |
966e0a16 ILT |
3623 | |
3624 | /* Look through the external symbols to see if they define some | |
3625 | symbol that is currently undefined. */ | |
3626 | ext_ptr = (char *) external_ext; | |
3627 | ext_end = ext_ptr + esize; | |
3628 | for (; ext_ptr < ext_end; ext_ptr += external_ext_size) | |
3629 | { | |
3630 | EXTR esym; | |
3631 | boolean def; | |
3632 | const char *name; | |
3633 | struct bfd_link_hash_entry *h; | |
3634 | ||
3635 | (*swap_ext_in) (abfd, (PTR) ext_ptr, &esym); | |
3636 | ||
3637 | /* See if this symbol defines something. */ | |
3638 | if (esym.asym.st != stGlobal | |
3639 | && esym.asym.st != stLabel | |
3640 | && esym.asym.st != stProc) | |
3641 | continue; | |
3642 | ||
3643 | switch (esym.asym.sc) | |
3644 | { | |
3645 | case scText: | |
3646 | case scData: | |
3647 | case scBss: | |
3648 | case scAbs: | |
3649 | case scSData: | |
3650 | case scSBss: | |
3651 | case scRData: | |
3652 | case scCommon: | |
3653 | case scSCommon: | |
3654 | case scInit: | |
3655 | case scFini: | |
a877f591 | 3656 | case scRConst: |
966e0a16 ILT |
3657 | def = true; |
3658 | break; | |
3659 | default: | |
3660 | def = false; | |
3661 | break; | |
3662 | } | |
3663 | ||
3664 | if (! def) | |
3665 | continue; | |
3666 | ||
3667 | name = ssext + esym.asym.iss; | |
3668 | h = bfd_link_hash_lookup (info->hash, name, false, false, true); | |
3669 | ||
3670 | /* Unlike the generic linker, we do not pull in elements because | |
3671 | of common symbols. */ | |
3672 | if (h == (struct bfd_link_hash_entry *) NULL | |
3673 | || h->type != bfd_link_hash_undefined) | |
3674 | continue; | |
3675 | ||
3676 | /* Include this element. */ | |
3677 | if (! (*info->callbacks->add_archive_element) (info, abfd, name)) | |
80425e6c | 3678 | goto error_return; |
966e0a16 | 3679 | if (! ecoff_link_add_externals (abfd, info, external_ext, ssext)) |
80425e6c | 3680 | goto error_return; |
966e0a16 ILT |
3681 | |
3682 | *pneeded = true; | |
80425e6c | 3683 | goto successful_return; |
966e0a16 ILT |
3684 | } |
3685 | ||
80425e6c JK |
3686 | successful_return: |
3687 | if (external_ext != NULL) | |
3688 | free (external_ext); | |
3689 | if (ssext != NULL) | |
3690 | free (ssext); | |
966e0a16 | 3691 | return true; |
80425e6c JK |
3692 | error_return: |
3693 | if (external_ext != NULL) | |
3694 | free (external_ext); | |
3695 | if (ssext != NULL) | |
3696 | free (ssext); | |
3697 | return false; | |
966e0a16 ILT |
3698 | } |
3699 | ||
3700 | /* Add symbols from an ECOFF object file to the global linker hash | |
3701 | table. */ | |
3702 | ||
3703 | static boolean | |
3704 | ecoff_link_add_object_symbols (abfd, info) | |
3705 | bfd *abfd; | |
3706 | struct bfd_link_info *info; | |
3707 | { | |
3708 | HDRR *symhdr; | |
3709 | bfd_size_type external_ext_size; | |
80425e6c | 3710 | PTR external_ext = NULL; |
966e0a16 | 3711 | size_t esize; |
80425e6c JK |
3712 | char *ssext = NULL; |
3713 | boolean result; | |
966e0a16 ILT |
3714 | |
3715 | if (! ecoff_slurp_symbolic_header (abfd)) | |
3716 | return false; | |
3717 | ||
3718 | /* If there are no symbols, we don't want it. */ | |
3719 | if (bfd_get_symcount (abfd) == 0) | |
3720 | return true; | |
3721 | ||
3722 | symhdr = &ecoff_data (abfd)->debug_info.symbolic_header; | |
3723 | ||
3724 | /* Read in the external symbols and external strings. */ | |
3725 | external_ext_size = ecoff_backend (abfd)->debug_swap.external_ext_size; | |
3726 | esize = symhdr->iextMax * external_ext_size; | |
80425e6c | 3727 | external_ext = (PTR) malloc (esize); |
a3a33af3 | 3728 | if (external_ext == NULL && esize != 0) |
80425e6c JK |
3729 | { |
3730 | bfd_set_error (bfd_error_no_memory); | |
3731 | goto error_return; | |
3732 | } | |
3733 | ||
966e0a16 ILT |
3734 | if (bfd_seek (abfd, symhdr->cbExtOffset, SEEK_SET) != 0 |
3735 | || bfd_read (external_ext, 1, esize, abfd) != esize) | |
80425e6c JK |
3736 | goto error_return; |
3737 | ||
3738 | ssext = (char *) malloc (symhdr->issExtMax); | |
a3a33af3 | 3739 | if (ssext == NULL && symhdr->issExtMax != 0) |
80425e6c JK |
3740 | { |
3741 | bfd_set_error (bfd_error_no_memory); | |
3742 | goto error_return; | |
3743 | } | |
966e0a16 | 3744 | |
966e0a16 | 3745 | if (bfd_seek (abfd, symhdr->cbSsExtOffset, SEEK_SET) != 0 |
ae115e51 ILT |
3746 | || (bfd_read (ssext, 1, symhdr->issExtMax, abfd) |
3747 | != (bfd_size_type) symhdr->issExtMax)) | |
80425e6c JK |
3748 | goto error_return; |
3749 | ||
3750 | result = ecoff_link_add_externals (abfd, info, external_ext, ssext); | |
3751 | ||
3752 | if (ssext != NULL) | |
3753 | free (ssext); | |
3754 | if (external_ext != NULL) | |
3755 | free (external_ext); | |
3756 | return result; | |
3757 | ||
3758 | error_return: | |
3759 | if (ssext != NULL) | |
3760 | free (ssext); | |
3761 | if (external_ext != NULL) | |
3762 | free (external_ext); | |
3763 | return false; | |
966e0a16 ILT |
3764 | } |
3765 | ||
3766 | /* Add the external symbols of an object file to the global linker | |
3767 | hash table. The external symbols and strings we are passed are | |
3768 | just allocated on the stack, and will be discarded. We must | |
3769 | explicitly save any information we may need later on in the link. | |
3770 | We do not want to read the external symbol information again. */ | |
3771 | ||
3772 | static boolean | |
3773 | ecoff_link_add_externals (abfd, info, external_ext, ssext) | |
3774 | bfd *abfd; | |
3775 | struct bfd_link_info *info; | |
3776 | PTR external_ext; | |
3777 | char *ssext; | |
3778 | { | |
3779 | const struct ecoff_backend_data * const backend = ecoff_backend (abfd); | |
3780 | void (* const swap_ext_in) PARAMS ((bfd *, PTR, EXTR *)) | |
3781 | = backend->debug_swap.swap_ext_in; | |
3782 | bfd_size_type external_ext_size = backend->debug_swap.external_ext_size; | |
3783 | unsigned long ext_count; | |
3784 | struct ecoff_link_hash_entry **sym_hash; | |
3785 | char *ext_ptr; | |
3786 | char *ext_end; | |
3787 | ||
3788 | ext_count = ecoff_data (abfd)->debug_info.symbolic_header.iextMax; | |
3789 | ||
3790 | sym_hash = ((struct ecoff_link_hash_entry **) | |
3791 | bfd_alloc (abfd, | |
3792 | ext_count * sizeof (struct bfd_link_hash_entry *))); | |
9783e04a | 3793 | if (!sym_hash) |
a9713b91 | 3794 | return false; |
966e0a16 ILT |
3795 | ecoff_data (abfd)->sym_hashes = sym_hash; |
3796 | ||
3797 | ext_ptr = (char *) external_ext; | |
3798 | ext_end = ext_ptr + ext_count * external_ext_size; | |
3799 | for (; ext_ptr < ext_end; ext_ptr += external_ext_size, sym_hash++) | |
3800 | { | |
3801 | EXTR esym; | |
3802 | boolean skip; | |
3803 | bfd_vma value; | |
3804 | asection *section; | |
3805 | const char *name; | |
3806 | struct ecoff_link_hash_entry *h; | |
3807 | ||
3808 | *sym_hash = NULL; | |
3809 | ||
3810 | (*swap_ext_in) (abfd, (PTR) ext_ptr, &esym); | |
3811 | ||
3812 | /* Skip debugging symbols. */ | |
3813 | skip = false; | |
3814 | switch (esym.asym.st) | |
3815 | { | |
3816 | case stGlobal: | |
3817 | case stStatic: | |
3818 | case stLabel: | |
3819 | case stProc: | |
3820 | case stStaticProc: | |
3821 | break; | |
3822 | default: | |
3823 | skip = true; | |
3824 | break; | |
3825 | } | |
3826 | ||
3827 | if (skip) | |
3828 | continue; | |
3829 | ||
3830 | /* Get the information for this symbol. */ | |
3831 | value = esym.asym.value; | |
3832 | switch (esym.asym.sc) | |
3833 | { | |
3834 | default: | |
3835 | case scNil: | |
3836 | case scRegister: | |
3837 | case scCdbLocal: | |
3838 | case scBits: | |
3839 | case scCdbSystem: | |
3840 | case scRegImage: | |
3841 | case scInfo: | |
3842 | case scUserStruct: | |
3843 | case scVar: | |
3844 | case scVarRegister: | |
3845 | case scVariant: | |
3846 | case scBasedVar: | |
3847 | case scXData: | |
3848 | case scPData: | |
3849 | section = NULL; | |
3850 | break; | |
3851 | case scText: | |
3852 | section = bfd_make_section_old_way (abfd, ".text"); | |
3853 | value -= section->vma; | |
3854 | break; | |
3855 | case scData: | |
3856 | section = bfd_make_section_old_way (abfd, ".data"); | |
3857 | value -= section->vma; | |
3858 | break; | |
3859 | case scBss: | |
3860 | section = bfd_make_section_old_way (abfd, ".bss"); | |
3861 | value -= section->vma; | |
3862 | break; | |
3863 | case scAbs: | |
7b18561f | 3864 | section = bfd_abs_section_ptr; |
966e0a16 ILT |
3865 | break; |
3866 | case scUndefined: | |
7b18561f | 3867 | section = bfd_und_section_ptr; |
966e0a16 ILT |
3868 | break; |
3869 | case scSData: | |
3870 | section = bfd_make_section_old_way (abfd, ".sdata"); | |
3871 | value -= section->vma; | |
3872 | break; | |
3873 | case scSBss: | |
3874 | section = bfd_make_section_old_way (abfd, ".sbss"); | |
3875 | value -= section->vma; | |
3876 | break; | |
3877 | case scRData: | |
3878 | section = bfd_make_section_old_way (abfd, ".rdata"); | |
3879 | value -= section->vma; | |
3880 | break; | |
3881 | case scCommon: | |
3882 | if (value > ecoff_data (abfd)->gp_size) | |
3883 | { | |
7b18561f | 3884 | section = bfd_com_section_ptr; |
966e0a16 ILT |
3885 | break; |
3886 | } | |
3887 | /* Fall through. */ | |
3888 | case scSCommon: | |
3889 | if (ecoff_scom_section.name == NULL) | |
3890 | { | |
3891 | /* Initialize the small common section. */ | |
3892 | ecoff_scom_section.name = SCOMMON; | |
3893 | ecoff_scom_section.flags = SEC_IS_COMMON; | |
3894 | ecoff_scom_section.output_section = &ecoff_scom_section; | |
3895 | ecoff_scom_section.symbol = &ecoff_scom_symbol; | |
3896 | ecoff_scom_section.symbol_ptr_ptr = &ecoff_scom_symbol_ptr; | |
3897 | ecoff_scom_symbol.name = SCOMMON; | |
3898 | ecoff_scom_symbol.flags = BSF_SECTION_SYM; | |
3899 | ecoff_scom_symbol.section = &ecoff_scom_section; | |
3900 | ecoff_scom_symbol_ptr = &ecoff_scom_symbol; | |
3901 | } | |
3902 | section = &ecoff_scom_section; | |
3903 | break; | |
3904 | case scSUndefined: | |
7b18561f | 3905 | section = bfd_und_section_ptr; |
966e0a16 ILT |
3906 | break; |
3907 | case scInit: | |
3908 | section = bfd_make_section_old_way (abfd, ".init"); | |
3909 | value -= section->vma; | |
3910 | break; | |
3911 | case scFini: | |
3912 | section = bfd_make_section_old_way (abfd, ".fini"); | |
3913 | value -= section->vma; | |
3914 | break; | |
a877f591 ILT |
3915 | case scRConst: |
3916 | section = bfd_make_section_old_way (abfd, ".rconst"); | |
3917 | value -= section->vma; | |
3918 | break; | |
966e0a16 ILT |
3919 | } |
3920 | ||
3921 | if (section == (asection *) NULL) | |
3922 | continue; | |
3923 | ||
3924 | name = ssext + esym.asym.iss; | |
3925 | ||
8e5090ce | 3926 | h = NULL; |
966e0a16 | 3927 | if (! (_bfd_generic_link_add_one_symbol |
0652d579 ILT |
3928 | (info, abfd, name, |
3929 | esym.weakext ? BSF_WEAK : BSF_GLOBAL, | |
3930 | section, value, (const char *) NULL, true, true, | |
966e0a16 ILT |
3931 | (struct bfd_link_hash_entry **) &h))) |
3932 | return false; | |
3933 | ||
3934 | *sym_hash = h; | |
3935 | ||
3936 | /* If we are building an ECOFF hash table, save the external | |
3937 | symbol information. */ | |
3938 | if (info->hash->creator->flavour == bfd_get_flavour (abfd)) | |
3939 | { | |
3940 | if (h->abfd == (bfd *) NULL | |
7b18561f | 3941 | || (! bfd_is_und_section (section) |
966e0a16 | 3942 | && (! bfd_is_com_section (section) |
6c97aedf ILT |
3943 | || (h->root.type != bfd_link_hash_defined |
3944 | && h->root.type != bfd_link_hash_defweak)))) | |
966e0a16 ILT |
3945 | { |
3946 | h->abfd = abfd; | |
3947 | h->esym = esym; | |
3948 | } | |
ac9ed096 ILT |
3949 | |
3950 | /* Remember whether this symbol was small undefined. */ | |
3951 | if (esym.asym.sc == scSUndefined) | |
3952 | h->small = 1; | |
3953 | ||
3954 | /* If this symbol was ever small undefined, it needs to wind | |
3955 | up in a GP relative section. We can't control the | |
3956 | section of a defined symbol, but we can control the | |
3957 | section of a common symbol. This case is actually needed | |
3958 | on Ultrix 4.2 to handle the symbol cred in -lckrb. */ | |
3959 | if (h->small | |
3960 | && h->root.type == bfd_link_hash_common | |
9675c281 | 3961 | && strcmp (h->root.u.c.p->section->name, SCOMMON) != 0) |
ac9ed096 | 3962 | { |
9675c281 ILT |
3963 | h->root.u.c.p->section = bfd_make_section_old_way (abfd, |
3964 | SCOMMON); | |
3965 | h->root.u.c.p->section->flags = SEC_ALLOC; | |
ac9ed096 ILT |
3966 | if (h->esym.asym.sc == scCommon) |
3967 | h->esym.asym.sc = scSCommon; | |
3968 | } | |
966e0a16 ILT |
3969 | } |
3970 | } | |
3971 | ||
3972 | return true; | |
3973 | } | |
3974 | \f | |
3975 | /* ECOFF final link routines. */ | |
3976 | ||
3977 | static boolean ecoff_final_link_debug_accumulate | |
3f048f7f ILT |
3978 | PARAMS ((bfd *output_bfd, bfd *input_bfd, struct bfd_link_info *, |
3979 | PTR handle)); | |
966e0a16 ILT |
3980 | static boolean ecoff_link_write_external |
3981 | PARAMS ((struct ecoff_link_hash_entry *, PTR)); | |
3982 | static boolean ecoff_indirect_link_order | |
3983 | PARAMS ((bfd *, struct bfd_link_info *, asection *, | |
3984 | struct bfd_link_order *)); | |
a3a33af3 ILT |
3985 | static boolean ecoff_reloc_link_order |
3986 | PARAMS ((bfd *, struct bfd_link_info *, asection *, | |
3987 | struct bfd_link_order *)); | |
966e0a16 ILT |
3988 | |
3989 | /* ECOFF final link routine. This looks through all the input BFDs | |
3990 | and gathers together all the debugging information, and then | |
3991 | processes all the link order information. This may cause it to | |
3992 | close and reopen some input BFDs; I'll see how bad this is. */ | |
3993 | ||
3994 | boolean | |
75f3ef7a | 3995 | _bfd_ecoff_bfd_final_link (abfd, info) |
966e0a16 ILT |
3996 | bfd *abfd; |
3997 | struct bfd_link_info *info; | |
3998 | { | |
3999 | const struct ecoff_backend_data * const backend = ecoff_backend (abfd); | |
4000 | struct ecoff_debug_info * const debug = &ecoff_data (abfd)->debug_info; | |
4001 | HDRR *symhdr; | |
3f048f7f | 4002 | PTR handle; |
966e0a16 ILT |
4003 | register bfd *input_bfd; |
4004 | asection *o; | |
4005 | struct bfd_link_order *p; | |
4006 | ||
4007 | /* We accumulate the debugging information counts in the symbolic | |
4008 | header. */ | |
4009 | symhdr = &debug->symbolic_header; | |
966e0a16 ILT |
4010 | symhdr->vstamp = 0; |
4011 | symhdr->ilineMax = 0; | |
4012 | symhdr->cbLine = 0; | |
4013 | symhdr->idnMax = 0; | |
4014 | symhdr->ipdMax = 0; | |
4015 | symhdr->isymMax = 0; | |
4016 | symhdr->ioptMax = 0; | |
4017 | symhdr->iauxMax = 0; | |
4018 | symhdr->issMax = 0; | |
4019 | symhdr->issExtMax = 0; | |
4020 | symhdr->ifdMax = 0; | |
4021 | symhdr->crfd = 0; | |
4022 | symhdr->iextMax = 0; | |
4023 | ||
4024 | /* We accumulate the debugging information itself in the debug_info | |
4025 | structure. */ | |
3f048f7f ILT |
4026 | debug->line = NULL; |
4027 | debug->external_dnr = NULL; | |
4028 | debug->external_pdr = NULL; | |
4029 | debug->external_sym = NULL; | |
4030 | debug->external_opt = NULL; | |
4031 | debug->external_aux = NULL; | |
4032 | debug->ss = NULL; | |
966e0a16 | 4033 | debug->ssext = debug->ssext_end = NULL; |
3f048f7f ILT |
4034 | debug->external_fdr = NULL; |
4035 | debug->external_rfd = NULL; | |
966e0a16 ILT |
4036 | debug->external_ext = debug->external_ext_end = NULL; |
4037 | ||
3f048f7f ILT |
4038 | handle = bfd_ecoff_debug_init (abfd, debug, &backend->debug_swap, info); |
4039 | if (handle == (PTR) NULL) | |
4040 | return false; | |
4041 | ||
966e0a16 ILT |
4042 | /* Accumulate the debugging symbols from each input BFD. */ |
4043 | for (input_bfd = info->input_bfds; | |
4044 | input_bfd != (bfd *) NULL; | |
4045 | input_bfd = input_bfd->link_next) | |
4046 | { | |
4047 | boolean ret; | |
4048 | ||
966e0a16 | 4049 | if (bfd_get_flavour (input_bfd) == bfd_target_ecoff_flavour) |
3f048f7f ILT |
4050 | { |
4051 | /* Abitrarily set the symbolic header vstamp to the vstamp | |
4052 | of the first object file in the link. */ | |
4053 | if (symhdr->vstamp == 0) | |
4054 | symhdr->vstamp | |
4055 | = ecoff_data (input_bfd)->debug_info.symbolic_header.vstamp; | |
4056 | ret = ecoff_final_link_debug_accumulate (abfd, input_bfd, info, | |
4057 | handle); | |
4058 | } | |
966e0a16 | 4059 | else |
3f048f7f ILT |
4060 | ret = bfd_ecoff_debug_accumulate_other (handle, abfd, |
4061 | debug, &backend->debug_swap, | |
4062 | input_bfd, info); | |
966e0a16 ILT |
4063 | if (! ret) |
4064 | return false; | |
4065 | ||
4066 | /* Combine the register masks. */ | |
4067 | ecoff_data (abfd)->gprmask |= ecoff_data (input_bfd)->gprmask; | |
4068 | ecoff_data (abfd)->fprmask |= ecoff_data (input_bfd)->fprmask; | |
4069 | ecoff_data (abfd)->cprmask[0] |= ecoff_data (input_bfd)->cprmask[0]; | |
4070 | ecoff_data (abfd)->cprmask[1] |= ecoff_data (input_bfd)->cprmask[1]; | |
4071 | ecoff_data (abfd)->cprmask[2] |= ecoff_data (input_bfd)->cprmask[2]; | |
4072 | ecoff_data (abfd)->cprmask[3] |= ecoff_data (input_bfd)->cprmask[3]; | |
4073 | } | |
4074 | ||
4075 | /* Write out the external symbols. */ | |
4076 | ecoff_link_hash_traverse (ecoff_hash_table (info), | |
4077 | ecoff_link_write_external, | |
4078 | (PTR) abfd); | |
4079 | ||
4080 | if (info->relocateable) | |
4081 | { | |
4082 | /* We need to make a pass over the link_orders to count up the | |
4083 | number of relocations we will need to output, so that we know | |
4084 | how much space they will take up. */ | |
4085 | for (o = abfd->sections; o != (asection *) NULL; o = o->next) | |
4086 | { | |
4087 | o->reloc_count = 0; | |
4088 | for (p = o->link_order_head; | |
4089 | p != (struct bfd_link_order *) NULL; | |
4090 | p = p->next) | |
4091 | if (p->type == bfd_indirect_link_order) | |
4092 | o->reloc_count += p->u.indirect.section->reloc_count; | |
a3a33af3 ILT |
4093 | else if (p->type == bfd_section_reloc_link_order |
4094 | || p->type == bfd_symbol_reloc_link_order) | |
4095 | ++o->reloc_count; | |
966e0a16 | 4096 | } |
3f048f7f ILT |
4097 | } |
4098 | ||
4099 | /* Compute the reloc and symbol file positions. */ | |
4100 | ecoff_compute_reloc_file_positions (abfd); | |
4101 | ||
4102 | /* Write out the debugging information. */ | |
4103 | if (! bfd_ecoff_write_accumulated_debug (handle, abfd, debug, | |
4104 | &backend->debug_swap, info, | |
4105 | ecoff_data (abfd)->sym_filepos)) | |
4106 | return false; | |
966e0a16 | 4107 | |
3f048f7f | 4108 | bfd_ecoff_debug_free (handle, abfd, debug, &backend->debug_swap, info); |
966e0a16 | 4109 | |
3f048f7f ILT |
4110 | if (info->relocateable) |
4111 | { | |
966e0a16 ILT |
4112 | /* Now reset the reloc_count field of the sections in the output |
4113 | BFD to 0, so that we can use them to keep track of how many | |
4114 | relocs we have output thus far. */ | |
4115 | for (o = abfd->sections; o != (asection *) NULL; o = o->next) | |
4116 | o->reloc_count = 0; | |
4117 | } | |
4118 | ||
4119 | /* Get a value for the GP register. */ | |
4120 | if (ecoff_data (abfd)->gp == 0) | |
4121 | { | |
4122 | struct bfd_link_hash_entry *h; | |
4123 | ||
4124 | h = bfd_link_hash_lookup (info->hash, "_gp", false, false, true); | |
4125 | if (h != (struct bfd_link_hash_entry *) NULL | |
4126 | && h->type == bfd_link_hash_defined) | |
4127 | ecoff_data (abfd)->gp = (h->u.def.value | |
4128 | + h->u.def.section->output_section->vma | |
4129 | + h->u.def.section->output_offset); | |
4130 | else if (info->relocateable) | |
4131 | { | |
4132 | bfd_vma lo; | |
4133 | ||
4134 | /* Make up a value. */ | |
4135 | lo = (bfd_vma) -1; | |
4136 | for (o = abfd->sections; o != (asection *) NULL; o = o->next) | |
4137 | { | |
4138 | if (o->vma < lo | |
4139 | && (strcmp (o->name, _SBSS) == 0 | |
4140 | || strcmp (o->name, _SDATA) == 0 | |
4141 | || strcmp (o->name, _LIT4) == 0 | |
4142 | || strcmp (o->name, _LIT8) == 0 | |
4143 | || strcmp (o->name, _LITA) == 0)) | |
4144 | lo = o->vma; | |
4145 | } | |
4146 | ecoff_data (abfd)->gp = lo + 0x8000; | |
4147 | } | |
4148 | else | |
4149 | { | |
4150 | /* If the relocate_section function needs to do a reloc | |
4151 | involving the GP value, it should make a reloc_dangerous | |
4152 | callback to warn that GP is not defined. */ | |
4153 | } | |
4154 | } | |
4155 | ||
4156 | for (o = abfd->sections; o != (asection *) NULL; o = o->next) | |
4157 | { | |
966e0a16 ILT |
4158 | for (p = o->link_order_head; |
4159 | p != (struct bfd_link_order *) NULL; | |
4160 | p = p->next) | |
4161 | { | |
966e0a16 ILT |
4162 | if (p->type == bfd_indirect_link_order |
4163 | && (bfd_get_flavour (p->u.indirect.section->owner) | |
4164 | == bfd_target_ecoff_flavour)) | |
4165 | { | |
4166 | if (! ecoff_indirect_link_order (abfd, info, o, p)) | |
4167 | return false; | |
4168 | } | |
a3a33af3 ILT |
4169 | else if (p->type == bfd_section_reloc_link_order |
4170 | || p->type == bfd_symbol_reloc_link_order) | |
4171 | { | |
4172 | if (! ecoff_reloc_link_order (abfd, info, o, p)) | |
4173 | return false; | |
4174 | } | |
966e0a16 ILT |
4175 | else |
4176 | { | |
4177 | if (! _bfd_default_link_order (abfd, info, o, p)) | |
4178 | return false; | |
4179 | } | |
4180 | } | |
4181 | } | |
4182 | ||
4183 | bfd_get_symcount (abfd) = symhdr->iextMax + symhdr->isymMax; | |
4184 | ||
469984d1 ILT |
4185 | ecoff_data (abfd)->linker = true; |
4186 | ||
966e0a16 ILT |
4187 | return true; |
4188 | } | |
4189 | ||
4190 | /* Accumulate the debugging information for an input BFD into the | |
4191 | output BFD. This must read in the symbolic information of the | |
4192 | input BFD. */ | |
4193 | ||
4194 | static boolean | |
3f048f7f | 4195 | ecoff_final_link_debug_accumulate (output_bfd, input_bfd, info, handle) |
966e0a16 ILT |
4196 | bfd *output_bfd; |
4197 | bfd *input_bfd; | |
4198 | struct bfd_link_info *info; | |
3f048f7f | 4199 | PTR handle; |
966e0a16 ILT |
4200 | { |
4201 | struct ecoff_debug_info * const debug = &ecoff_data (input_bfd)->debug_info; | |
4202 | const struct ecoff_debug_swap * const swap = | |
4203 | &ecoff_backend (input_bfd)->debug_swap; | |
4204 | HDRR *symhdr = &debug->symbolic_header; | |
4205 | boolean ret; | |
4206 | ||
4207 | #define READ(ptr, offset, count, size, type) \ | |
4208 | if (symhdr->count == 0) \ | |
4209 | debug->ptr = NULL; \ | |
4210 | else \ | |
4211 | { \ | |
ae115e51 | 4212 | debug->ptr = (type) malloc ((size_t) (size * symhdr->count)); \ |
80425e6c JK |
4213 | if (debug->ptr == NULL) \ |
4214 | { \ | |
4215 | bfd_set_error (bfd_error_no_memory); \ | |
4216 | ret = false; \ | |
4217 | goto return_something; \ | |
4218 | } \ | |
966e0a16 ILT |
4219 | if ((bfd_seek (input_bfd, (file_ptr) symhdr->offset, SEEK_SET) \ |
4220 | != 0) \ | |
4221 | || (bfd_read (debug->ptr, size, symhdr->count, \ | |
4222 | input_bfd) != size * symhdr->count)) \ | |
80425e6c JK |
4223 | { \ |
4224 | ret = false; \ | |
4225 | goto return_something; \ | |
4226 | } \ | |
966e0a16 ILT |
4227 | } |
4228 | ||
a3a33af3 | 4229 | /* If raw_syments is not NULL, then the data was already by read by |
75f3ef7a | 4230 | _bfd_ecoff_slurp_symbolic_info. */ |
a3a33af3 ILT |
4231 | if (ecoff_data (input_bfd)->raw_syments == NULL) |
4232 | { | |
4233 | READ (line, cbLineOffset, cbLine, sizeof (unsigned char), | |
4234 | unsigned char *); | |
4235 | READ (external_dnr, cbDnOffset, idnMax, swap->external_dnr_size, PTR); | |
4236 | READ (external_pdr, cbPdOffset, ipdMax, swap->external_pdr_size, PTR); | |
4237 | READ (external_sym, cbSymOffset, isymMax, swap->external_sym_size, PTR); | |
4238 | READ (external_opt, cbOptOffset, ioptMax, swap->external_opt_size, PTR); | |
4239 | READ (external_aux, cbAuxOffset, iauxMax, sizeof (union aux_ext), | |
4240 | union aux_ext *); | |
4241 | READ (ss, cbSsOffset, issMax, sizeof (char), char *); | |
4242 | READ (external_fdr, cbFdOffset, ifdMax, swap->external_fdr_size, PTR); | |
4243 | READ (external_rfd, cbRfdOffset, crfd, swap->external_rfd_size, PTR); | |
4244 | } | |
966e0a16 ILT |
4245 | #undef READ |
4246 | ||
4247 | /* We do not read the external strings or the external symbols. */ | |
4248 | ||
4249 | ret = (bfd_ecoff_debug_accumulate | |
3f048f7f | 4250 | (handle, output_bfd, &ecoff_data (output_bfd)->debug_info, |
966e0a16 | 4251 | &ecoff_backend (output_bfd)->debug_swap, |
3f048f7f | 4252 | input_bfd, debug, swap, info)); |
966e0a16 | 4253 | |
80425e6c | 4254 | return_something: |
a3a33af3 ILT |
4255 | if (ecoff_data (input_bfd)->raw_syments == NULL) |
4256 | { | |
4257 | if (debug->line != NULL) | |
4258 | free (debug->line); | |
4259 | if (debug->external_dnr != NULL) | |
4260 | free (debug->external_dnr); | |
4261 | if (debug->external_pdr != NULL) | |
4262 | free (debug->external_pdr); | |
4263 | if (debug->external_sym != NULL) | |
4264 | free (debug->external_sym); | |
4265 | if (debug->external_opt != NULL) | |
4266 | free (debug->external_opt); | |
4267 | if (debug->external_aux != NULL) | |
4268 | free (debug->external_aux); | |
4269 | if (debug->ss != NULL) | |
4270 | free (debug->ss); | |
4271 | if (debug->external_fdr != NULL) | |
4272 | free (debug->external_fdr); | |
4273 | if (debug->external_rfd != NULL) | |
4274 | free (debug->external_rfd); | |
4275 | ||
4276 | /* Make sure we don't accidentally follow one of these pointers | |
4277 | into freed memory. */ | |
4278 | debug->line = NULL; | |
4279 | debug->external_dnr = NULL; | |
4280 | debug->external_pdr = NULL; | |
4281 | debug->external_sym = NULL; | |
4282 | debug->external_opt = NULL; | |
4283 | debug->external_aux = NULL; | |
4284 | debug->ss = NULL; | |
4285 | debug->external_fdr = NULL; | |
4286 | debug->external_rfd = NULL; | |
4287 | } | |
966e0a16 ILT |
4288 | |
4289 | return ret; | |
4290 | } | |
4291 | ||
4292 | /* Put out information for an external symbol. These come only from | |
4293 | the hash table. */ | |
4294 | ||
4295 | static boolean | |
4296 | ecoff_link_write_external (h, data) | |
4297 | struct ecoff_link_hash_entry *h; | |
4298 | PTR data; | |
4299 | { | |
4300 | bfd *output_bfd = (bfd *) data; | |
4301 | ||
4302 | /* FIXME: We should check if this symbol is being stripped. */ | |
4303 | ||
ac9ed096 | 4304 | if (h->written) |
966e0a16 ILT |
4305 | return true; |
4306 | ||
4307 | if (h->abfd == (bfd *) NULL) | |
4308 | { | |
4309 | h->esym.jmptbl = 0; | |
4310 | h->esym.cobol_main = 0; | |
4311 | h->esym.weakext = 0; | |
4312 | h->esym.reserved = 0; | |
4313 | h->esym.ifd = ifdNil; | |
4314 | h->esym.asym.value = 0; | |
966e0a16 | 4315 | h->esym.asym.st = stGlobal; |
a3a33af3 | 4316 | |
6c97aedf ILT |
4317 | if (h->root.type != bfd_link_hash_defined |
4318 | && h->root.type != bfd_link_hash_defweak) | |
a3a33af3 ILT |
4319 | h->esym.asym.sc = scAbs; |
4320 | else | |
4321 | { | |
4322 | asection *output_section; | |
4323 | const char *name; | |
4324 | ||
4325 | output_section = h->root.u.def.section->output_section; | |
4326 | name = bfd_section_name (output_section->owner, output_section); | |
4327 | ||
4328 | if (strcmp (name, _TEXT) == 0) | |
4329 | h->esym.asym.sc = scText; | |
4330 | else if (strcmp (name, _DATA) == 0) | |
4331 | h->esym.asym.sc = scData; | |
4332 | else if (strcmp (name, _SDATA) == 0) | |
4333 | h->esym.asym.sc = scSData; | |
4334 | else if (strcmp (name, _RDATA) == 0) | |
4335 | h->esym.asym.sc = scRData; | |
4336 | else if (strcmp (name, _BSS) == 0) | |
4337 | h->esym.asym.sc = scBss; | |
4338 | else if (strcmp (name, _SBSS) == 0) | |
4339 | h->esym.asym.sc = scSBss; | |
4340 | else if (strcmp (name, _INIT) == 0) | |
4341 | h->esym.asym.sc = scInit; | |
4342 | else if (strcmp (name, _FINI) == 0) | |
4343 | h->esym.asym.sc = scFini; | |
4344 | else if (strcmp (name, _PDATA) == 0) | |
4345 | h->esym.asym.sc = scPData; | |
4346 | else if (strcmp (name, _XDATA) == 0) | |
4347 | h->esym.asym.sc = scXData; | |
a877f591 ILT |
4348 | else if (strcmp (name, _RCONST) == 0) |
4349 | h->esym.asym.sc = scRConst; | |
a3a33af3 ILT |
4350 | else |
4351 | h->esym.asym.sc = scAbs; | |
4352 | } | |
4353 | ||
966e0a16 ILT |
4354 | h->esym.asym.reserved = 0; |
4355 | h->esym.asym.index = indexNil; | |
4356 | } | |
3f048f7f | 4357 | else if (h->esym.ifd != -1) |
966e0a16 | 4358 | { |
3f048f7f ILT |
4359 | struct ecoff_debug_info *debug; |
4360 | ||
966e0a16 ILT |
4361 | /* Adjust the FDR index for the symbol by that used for the |
4362 | input BFD. */ | |
3f048f7f ILT |
4363 | debug = &ecoff_data (h->abfd)->debug_info; |
4364 | BFD_ASSERT (h->esym.ifd >= 0 | |
4365 | && h->esym.ifd < debug->symbolic_header.ifdMax); | |
4366 | h->esym.ifd = debug->ifdmap[h->esym.ifd]; | |
966e0a16 ILT |
4367 | } |
4368 | ||
4369 | switch (h->root.type) | |
4370 | { | |
4371 | default: | |
4372 | case bfd_link_hash_new: | |
4373 | abort (); | |
4374 | case bfd_link_hash_undefined: | |
6c97aedf | 4375 | case bfd_link_hash_undefweak: |
a3a33af3 ILT |
4376 | if (h->esym.asym.sc != scUndefined |
4377 | && h->esym.asym.sc != scSUndefined) | |
4378 | h->esym.asym.sc = scUndefined; | |
966e0a16 ILT |
4379 | break; |
4380 | case bfd_link_hash_defined: | |
6c97aedf | 4381 | case bfd_link_hash_defweak: |
966e0a16 ILT |
4382 | if (h->esym.asym.sc == scUndefined |
4383 | || h->esym.asym.sc == scSUndefined) | |
4384 | h->esym.asym.sc = scAbs; | |
4385 | else if (h->esym.asym.sc == scCommon) | |
4386 | h->esym.asym.sc = scBss; | |
4387 | else if (h->esym.asym.sc == scSCommon) | |
4388 | h->esym.asym.sc = scSBss; | |
4389 | h->esym.asym.value = (h->root.u.def.value | |
4390 | + h->root.u.def.section->output_section->vma | |
4391 | + h->root.u.def.section->output_offset); | |
4392 | break; | |
4393 | case bfd_link_hash_common: | |
4394 | if (h->esym.asym.sc != scCommon | |
4395 | && h->esym.asym.sc != scSCommon) | |
4396 | h->esym.asym.sc = scCommon; | |
4397 | h->esym.asym.value = h->root.u.c.size; | |
4398 | break; | |
4399 | case bfd_link_hash_indirect: | |
4400 | case bfd_link_hash_warning: | |
4401 | /* FIXME: Ignore these for now. The circumstances under which | |
4402 | they should be written out are not clear to me. */ | |
4403 | return true; | |
4404 | } | |
4405 | ||
4406 | /* bfd_ecoff_debug_one_external uses iextMax to keep track of the | |
4407 | symbol number. */ | |
4408 | h->indx = ecoff_data (output_bfd)->debug_info.symbolic_header.iextMax; | |
ac9ed096 | 4409 | h->written = 1; |
966e0a16 ILT |
4410 | |
4411 | return (bfd_ecoff_debug_one_external | |
4412 | (output_bfd, &ecoff_data (output_bfd)->debug_info, | |
4413 | &ecoff_backend (output_bfd)->debug_swap, h->root.root.string, | |
4414 | &h->esym)); | |
4415 | } | |
4416 | ||
4417 | /* Relocate and write an ECOFF section into an ECOFF output file. */ | |
4418 | ||
4419 | static boolean | |
4420 | ecoff_indirect_link_order (output_bfd, info, output_section, link_order) | |
4421 | bfd *output_bfd; | |
4422 | struct bfd_link_info *info; | |
4423 | asection *output_section; | |
4424 | struct bfd_link_order *link_order; | |
4425 | { | |
4426 | asection *input_section; | |
4427 | bfd *input_bfd; | |
a3a33af3 ILT |
4428 | struct ecoff_section_tdata *section_tdata; |
4429 | bfd_size_type raw_size; | |
4430 | bfd_size_type cooked_size; | |
80425e6c | 4431 | bfd_byte *contents = NULL; |
966e0a16 ILT |
4432 | bfd_size_type external_reloc_size; |
4433 | bfd_size_type external_relocs_size; | |
80425e6c | 4434 | PTR external_relocs = NULL; |
966e0a16 ILT |
4435 | |
4436 | BFD_ASSERT ((output_section->flags & SEC_HAS_CONTENTS) != 0); | |
4437 | ||
4438 | if (link_order->size == 0) | |
4439 | return true; | |
4440 | ||
4441 | input_section = link_order->u.indirect.section; | |
4442 | input_bfd = input_section->owner; | |
a3a33af3 ILT |
4443 | section_tdata = ecoff_section_data (input_bfd, input_section); |
4444 | ||
4445 | raw_size = input_section->_raw_size; | |
4446 | cooked_size = input_section->_cooked_size; | |
4447 | if (cooked_size == 0) | |
4448 | cooked_size = raw_size; | |
966e0a16 ILT |
4449 | |
4450 | BFD_ASSERT (input_section->output_section == output_section); | |
4451 | BFD_ASSERT (input_section->output_offset == link_order->offset); | |
a3a33af3 ILT |
4452 | BFD_ASSERT (cooked_size == link_order->size); |
4453 | ||
4454 | /* Get the section contents. We allocate memory for the larger of | |
4455 | the size before relocating and the size after relocating. */ | |
4456 | contents = (bfd_byte *) malloc (raw_size >= cooked_size | |
ae115e51 ILT |
4457 | ? (size_t) raw_size |
4458 | : (size_t) cooked_size); | |
a3a33af3 | 4459 | if (contents == NULL && raw_size != 0) |
80425e6c JK |
4460 | { |
4461 | bfd_set_error (bfd_error_no_memory); | |
4462 | goto error_return; | |
4463 | } | |
966e0a16 | 4464 | |
a3a33af3 ILT |
4465 | /* If we are relaxing, the contents may have already been read into |
4466 | memory, in which case we copy them into our new buffer. We don't | |
4467 | simply reuse the old buffer in case cooked_size > raw_size. */ | |
4468 | if (section_tdata != (struct ecoff_section_tdata *) NULL | |
4469 | && section_tdata->contents != (bfd_byte *) NULL) | |
ae115e51 | 4470 | memcpy (contents, section_tdata->contents, (size_t) raw_size); |
a3a33af3 ILT |
4471 | else |
4472 | { | |
4473 | if (! bfd_get_section_contents (input_bfd, input_section, | |
4474 | (PTR) contents, | |
4475 | (file_ptr) 0, raw_size)) | |
4476 | goto error_return; | |
4477 | } | |
4478 | ||
4479 | /* Get the relocs. If we are relaxing MIPS code, they will already | |
4480 | have been read in. Otherwise, we read them in now. */ | |
966e0a16 ILT |
4481 | external_reloc_size = ecoff_backend (input_bfd)->external_reloc_size; |
4482 | external_relocs_size = external_reloc_size * input_section->reloc_count; | |
a3a33af3 | 4483 | |
0652d579 ILT |
4484 | if (section_tdata != (struct ecoff_section_tdata *) NULL |
4485 | && section_tdata->external_relocs != NULL) | |
a3a33af3 ILT |
4486 | external_relocs = section_tdata->external_relocs; |
4487 | else | |
80425e6c | 4488 | { |
ae115e51 | 4489 | external_relocs = (PTR) malloc ((size_t) external_relocs_size); |
a3a33af3 ILT |
4490 | if (external_relocs == NULL && external_relocs_size != 0) |
4491 | { | |
4492 | bfd_set_error (bfd_error_no_memory); | |
4493 | goto error_return; | |
4494 | } | |
80425e6c | 4495 | |
a3a33af3 ILT |
4496 | if (bfd_seek (input_bfd, input_section->rel_filepos, SEEK_SET) != 0 |
4497 | || (bfd_read (external_relocs, 1, external_relocs_size, input_bfd) | |
4498 | != external_relocs_size)) | |
4499 | goto error_return; | |
4500 | } | |
966e0a16 ILT |
4501 | |
4502 | /* Relocate the section contents. */ | |
4503 | if (! ((*ecoff_backend (input_bfd)->relocate_section) | |
4504 | (output_bfd, info, input_bfd, input_section, contents, | |
4505 | external_relocs))) | |
80425e6c | 4506 | goto error_return; |
966e0a16 ILT |
4507 | |
4508 | /* Write out the relocated section. */ | |
4509 | if (! bfd_set_section_contents (output_bfd, | |
4510 | output_section, | |
4511 | (PTR) contents, | |
4512 | input_section->output_offset, | |
a3a33af3 | 4513 | cooked_size)) |
80425e6c | 4514 | goto error_return; |
966e0a16 ILT |
4515 | |
4516 | /* If we are producing relocateable output, the relocs were | |
4517 | modified, and we write them out now. We use the reloc_count | |
4518 | field of output_section to keep track of the number of relocs we | |
4519 | have output so far. */ | |
4520 | if (info->relocateable) | |
4521 | { | |
4522 | if (bfd_seek (output_bfd, | |
4523 | (output_section->rel_filepos + | |
4524 | output_section->reloc_count * external_reloc_size), | |
4525 | SEEK_SET) != 0 | |
4526 | || (bfd_write (external_relocs, 1, external_relocs_size, output_bfd) | |
4527 | != external_relocs_size)) | |
80425e6c | 4528 | goto error_return; |
966e0a16 ILT |
4529 | output_section->reloc_count += input_section->reloc_count; |
4530 | } | |
4531 | ||
80425e6c JK |
4532 | if (contents != NULL) |
4533 | free (contents); | |
a3a33af3 | 4534 | if (external_relocs != NULL && section_tdata == NULL) |
80425e6c | 4535 | free (external_relocs); |
966e0a16 | 4536 | return true; |
80425e6c JK |
4537 | |
4538 | error_return: | |
4539 | if (contents != NULL) | |
4540 | free (contents); | |
a3a33af3 | 4541 | if (external_relocs != NULL && section_tdata == NULL) |
80425e6c JK |
4542 | free (external_relocs); |
4543 | return false; | |
966e0a16 | 4544 | } |
a3a33af3 ILT |
4545 | |
4546 | /* Generate a reloc when linking an ECOFF file. This is a reloc | |
4547 | requested by the linker, and does come from any input file. This | |
4548 | is used to build constructor and destructor tables when linking | |
4549 | with -Ur. */ | |
4550 | ||
4551 | static boolean | |
4552 | ecoff_reloc_link_order (output_bfd, info, output_section, link_order) | |
4553 | bfd *output_bfd; | |
4554 | struct bfd_link_info *info; | |
4555 | asection *output_section; | |
4556 | struct bfd_link_order *link_order; | |
4557 | { | |
a877f591 ILT |
4558 | enum bfd_link_order_type type; |
4559 | asection *section; | |
4560 | bfd_vma addend; | |
a3a33af3 ILT |
4561 | arelent rel; |
4562 | struct internal_reloc in; | |
4563 | bfd_size_type external_reloc_size; | |
4564 | bfd_byte *rbuf; | |
4565 | boolean ok; | |
4566 | ||
a877f591 ILT |
4567 | type = link_order->type; |
4568 | section = NULL; | |
4569 | addend = link_order->u.reloc.p->addend; | |
4570 | ||
a3a33af3 ILT |
4571 | /* We set up an arelent to pass to the backend adjust_reloc_out |
4572 | routine. */ | |
4573 | rel.address = link_order->offset; | |
4574 | ||
4575 | rel.howto = bfd_reloc_type_lookup (output_bfd, link_order->u.reloc.p->reloc); | |
6c97aedf | 4576 | if (rel.howto == 0) |
a3a33af3 ILT |
4577 | { |
4578 | bfd_set_error (bfd_error_bad_value); | |
4579 | return false; | |
4580 | } | |
4581 | ||
a877f591 ILT |
4582 | if (type == bfd_section_reloc_link_order) |
4583 | { | |
4584 | section = link_order->u.reloc.p->u.section; | |
4585 | rel.sym_ptr_ptr = section->symbol_ptr_ptr; | |
4586 | } | |
a3a33af3 ILT |
4587 | else |
4588 | { | |
a877f591 ILT |
4589 | struct bfd_link_hash_entry *h; |
4590 | ||
4591 | /* Treat a reloc against a defined symbol as though it were | |
4592 | actually against the section. */ | |
4593 | h = bfd_link_hash_lookup (info->hash, link_order->u.reloc.p->u.name, | |
4594 | false, false, false); | |
4595 | if (h != NULL | |
4596 | && (h->type == bfd_link_hash_defined | |
4597 | || h->type == bfd_link_hash_defweak)) | |
4598 | { | |
4599 | type = bfd_section_reloc_link_order; | |
4600 | section = h->u.def.section->output_section; | |
4601 | /* It seems that we ought to add the symbol value to the | |
4602 | addend here, but in practice it has already been added | |
4603 | because it was passed to constructor_callback. */ | |
4604 | addend += section->vma + h->u.def.section->output_offset; | |
4605 | } | |
4606 | else | |
4607 | { | |
4608 | /* We can't set up a reloc against a symbol correctly, | |
4609 | because we have no asymbol structure. Currently no | |
4610 | adjust_reloc_out routine cares. */ | |
4611 | rel.sym_ptr_ptr = (asymbol **) NULL; | |
4612 | } | |
a3a33af3 ILT |
4613 | } |
4614 | ||
4615 | /* All ECOFF relocs are in-place. Put the addend into the object | |
4616 | file. */ | |
4617 | ||
4618 | BFD_ASSERT (rel.howto->partial_inplace); | |
a877f591 | 4619 | if (addend != 0) |
a3a33af3 ILT |
4620 | { |
4621 | bfd_size_type size; | |
4622 | bfd_reloc_status_type rstat; | |
4623 | bfd_byte *buf; | |
4624 | boolean ok; | |
4625 | ||
4626 | size = bfd_get_reloc_size (rel.howto); | |
4627 | buf = (bfd_byte *) bfd_zmalloc (size); | |
4628 | if (buf == (bfd_byte *) NULL) | |
a9713b91 | 4629 | return false; |
a877f591 | 4630 | rstat = _bfd_relocate_contents (rel.howto, output_bfd, addend, buf); |
a3a33af3 ILT |
4631 | switch (rstat) |
4632 | { | |
4633 | case bfd_reloc_ok: | |
4634 | break; | |
4635 | default: | |
4636 | case bfd_reloc_outofrange: | |
4637 | abort (); | |
4638 | case bfd_reloc_overflow: | |
4639 | if (! ((*info->callbacks->reloc_overflow) | |
4640 | (info, | |
4641 | (link_order->type == bfd_section_reloc_link_order | |
a877f591 | 4642 | ? bfd_section_name (output_bfd, section) |
a3a33af3 | 4643 | : link_order->u.reloc.p->u.name), |
a877f591 ILT |
4644 | rel.howto->name, addend, (bfd *) NULL, |
4645 | (asection *) NULL, (bfd_vma) 0))) | |
a3a33af3 ILT |
4646 | { |
4647 | free (buf); | |
4648 | return false; | |
4649 | } | |
4650 | break; | |
4651 | } | |
4652 | ok = bfd_set_section_contents (output_bfd, output_section, (PTR) buf, | |
4653 | (file_ptr) link_order->offset, size); | |
4654 | free (buf); | |
4655 | if (! ok) | |
4656 | return false; | |
4657 | } | |
4658 | ||
4659 | rel.addend = 0; | |
4660 | ||
4661 | /* Move the information into a internal_reloc structure. */ | |
4662 | in.r_vaddr = (rel.address | |
4663 | + bfd_get_section_vma (output_bfd, output_section)); | |
4664 | in.r_type = rel.howto->type; | |
4665 | ||
a877f591 | 4666 | if (type == bfd_symbol_reloc_link_order) |
a3a33af3 ILT |
4667 | { |
4668 | struct ecoff_link_hash_entry *h; | |
4669 | ||
4670 | h = ecoff_link_hash_lookup (ecoff_hash_table (info), | |
4671 | link_order->u.reloc.p->u.name, | |
4672 | false, false, true); | |
4673 | if (h != (struct ecoff_link_hash_entry *) NULL | |
4674 | && h->indx != -1) | |
4675 | in.r_symndx = h->indx; | |
4676 | else | |
4677 | { | |
4678 | if (! ((*info->callbacks->unattached_reloc) | |
4679 | (info, link_order->u.reloc.p->u.name, (bfd *) NULL, | |
4680 | (asection *) NULL, (bfd_vma) 0))) | |
4681 | return false; | |
4682 | in.r_symndx = 0; | |
4683 | } | |
4684 | in.r_extern = 1; | |
4685 | } | |
4686 | else | |
4687 | { | |
4688 | CONST char *name; | |
4689 | ||
a877f591 | 4690 | name = bfd_get_section_name (output_bfd, section); |
a3a33af3 ILT |
4691 | if (strcmp (name, ".text") == 0) |
4692 | in.r_symndx = RELOC_SECTION_TEXT; | |
4693 | else if (strcmp (name, ".rdata") == 0) | |
4694 | in.r_symndx = RELOC_SECTION_RDATA; | |
4695 | else if (strcmp (name, ".data") == 0) | |
4696 | in.r_symndx = RELOC_SECTION_DATA; | |
4697 | else if (strcmp (name, ".sdata") == 0) | |
4698 | in.r_symndx = RELOC_SECTION_SDATA; | |
4699 | else if (strcmp (name, ".sbss") == 0) | |
4700 | in.r_symndx = RELOC_SECTION_SBSS; | |
4701 | else if (strcmp (name, ".bss") == 0) | |
4702 | in.r_symndx = RELOC_SECTION_BSS; | |
4703 | else if (strcmp (name, ".init") == 0) | |
4704 | in.r_symndx = RELOC_SECTION_INIT; | |
4705 | else if (strcmp (name, ".lit8") == 0) | |
4706 | in.r_symndx = RELOC_SECTION_LIT8; | |
4707 | else if (strcmp (name, ".lit4") == 0) | |
4708 | in.r_symndx = RELOC_SECTION_LIT4; | |
4709 | else if (strcmp (name, ".xdata") == 0) | |
4710 | in.r_symndx = RELOC_SECTION_XDATA; | |
4711 | else if (strcmp (name, ".pdata") == 0) | |
4712 | in.r_symndx = RELOC_SECTION_PDATA; | |
4713 | else if (strcmp (name, ".fini") == 0) | |
4714 | in.r_symndx = RELOC_SECTION_FINI; | |
4715 | else if (strcmp (name, ".lita") == 0) | |
4716 | in.r_symndx = RELOC_SECTION_LITA; | |
4717 | else if (strcmp (name, "*ABS*") == 0) | |
4718 | in.r_symndx = RELOC_SECTION_ABS; | |
a877f591 ILT |
4719 | else if (strcmp (name, ".rconst") == 0) |
4720 | in.r_symndx = RELOC_SECTION_RCONST; | |
a3a33af3 ILT |
4721 | else |
4722 | abort (); | |
4723 | in.r_extern = 0; | |
4724 | } | |
4725 | ||
4726 | /* Let the BFD backend adjust the reloc. */ | |
4727 | (*ecoff_backend (output_bfd)->adjust_reloc_out) (output_bfd, &rel, &in); | |
4728 | ||
4729 | /* Get some memory and swap out the reloc. */ | |
4730 | external_reloc_size = ecoff_backend (output_bfd)->external_reloc_size; | |
ae115e51 | 4731 | rbuf = (bfd_byte *) malloc ((size_t) external_reloc_size); |
a3a33af3 ILT |
4732 | if (rbuf == (bfd_byte *) NULL) |
4733 | { | |
4734 | bfd_set_error (bfd_error_no_memory); | |
4735 | return false; | |
4736 | } | |
4737 | ||
4738 | (*ecoff_backend (output_bfd)->swap_reloc_out) (output_bfd, &in, (PTR) rbuf); | |
4739 | ||
4740 | ok = (bfd_seek (output_bfd, | |
4741 | (output_section->rel_filepos + | |
4742 | output_section->reloc_count * external_reloc_size), | |
4743 | SEEK_SET) == 0 | |
4744 | && (bfd_write ((PTR) rbuf, 1, external_reloc_size, output_bfd) | |
4745 | == external_reloc_size)); | |
4746 | ||
4747 | if (ok) | |
4748 | ++output_section->reloc_count; | |
4749 | ||
4750 | free (rbuf); | |
4751 | ||
4752 | return ok; | |
4753 | } |