Commit | Line | Data |
---|---|---|
1f29e30b | 1 | /* BFD back-end for MIPS Extended-Coff files. |
f6409552 | 2 | Copyright 1990, 1991, 1992, 1993 Free Software Foundation, Inc. |
8fa0d3a0 | 3 | Original version by Per Bothner. |
f6409552 | 4 | Full support added by Ian Lance Taylor, ian@cygnus.com. |
1327fb29 | 5 | |
68b70212 | 6 | This file is part of BFD, the Binary File Descriptor library. |
23b0b558 | 7 | |
68b70212 | 8 | This program is free software; you can redistribute it and/or modify |
23b0b558 | 9 | it under the terms of the GNU General Public License as published by |
68b70212 JG |
10 | the Free Software Foundation; either version 2 of the License, or |
11 | (at your option) any later version. | |
23b0b558 | 12 | |
68b70212 | 13 | This program is distributed in the hope that it will be useful, |
23b0b558 JG |
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 | |
68b70212 JG |
19 | along with this program; if not, write to the Free Software |
20 | Foundation, Inc., 675 Mass Ave, Cambridge, MA 02139, USA. */ | |
1327fb29 | 21 | |
23b0b558 | 22 | #include "bfd.h" |
dd4646ca | 23 | #include "sysdep.h" |
1327fb29 | 24 | #include "libbfd.h" |
8fa0d3a0 | 25 | #include "seclet.h" |
c3fe0c41 ILT |
26 | #include "aout/ar.h" |
27 | #include "aout/ranlib.h" | |
294eaca4 SC |
28 | #include "coff/mips.h" |
29 | #include "coff/internal.h" | |
515c4292 ILT |
30 | #include "coff/sym.h" |
31 | #include "coff/symconst.h" | |
32 | #include "coff/ecoff-ext.h" | |
33 | #include "libcoff.h" | |
20f10b59 | 34 | #include "libecoff.h" |
515c4292 ILT |
35 | |
36 | /* Each canonical asymbol really looks like this. */ | |
37 | ||
38 | typedef struct ecoff_symbol_struct | |
39 | { | |
40 | /* The actual symbol which the rest of BFD works with */ | |
41 | asymbol symbol; | |
42 | ||
43 | /* The fdr for this symbol. */ | |
44 | FDR *fdr; | |
45 | ||
46 | /* true if this is a local symbol rather than an external one. */ | |
47 | boolean local; | |
48 | ||
49 | /* A pointer to the unswapped hidden information for this symbol */ | |
50 | union | |
51 | { | |
52 | struct sym_ext *lnative; | |
53 | struct ext_ext *enative; | |
54 | } | |
55 | native; | |
56 | } ecoff_symbol_type; | |
57 | ||
58 | /* We take the address of the first element of a asymbol to ensure that the | |
59 | macro is only ever applied to an asymbol. */ | |
60 | #define ecoffsymbol(asymbol) ((ecoff_symbol_type *) (&((asymbol)->the_bfd))) | |
61 | ||
c3fe0c41 ILT |
62 | /* This is a hack borrowed from coffcode.h; we need to save the index |
63 | of a symbol when we write it out so that can set the symbol index | |
64 | correctly when we write out the relocs. */ | |
65 | #define ecoff_get_sym_index(symbol) ((unsigned long) (symbol)->udata) | |
66 | #define ecoff_set_sym_index(symbol, idx) ((symbol)->udata = (PTR) (idx)) | |
67 | ||
68 | /* The page boundary used to align sections in the executable file. */ | |
69 | #define PAGE_SIZE 0x2000 | |
70 | ||
5e462ed9 ILT |
71 | /* The linker needs a section to hold small common variables while |
72 | linking. There is no convenient way to create it when the linker | |
73 | needs it, so we always create one for each BFD. We then avoid | |
74 | writing it out. */ | |
75 | #define SCOMMON ".scommon" | |
76 | ||
515c4292 ILT |
77 | /* MIPS ECOFF has COFF sections, but the debugging information is |
78 | stored in a completely different format. This files uses the some | |
79 | of the swapping routines from coffswap.h, and some of the generic | |
80 | COFF routines in coffgen.c, but, unlike the real COFF targets, does | |
81 | not use coffcode.h itself. */ | |
f6409552 ILT |
82 | \f |
83 | /* Prototypes for static functions. */ | |
84 | ||
85 | static boolean ecoff_bad_format_hook PARAMS ((bfd *abfd, PTR filehdr)); | |
86 | static asection *ecoff_make_section_hook PARAMS ((bfd *abfd, char *name)); | |
87 | static boolean ecoff_new_section_hook PARAMS ((bfd *abfd, asection *section)); | |
88 | static boolean ecoff_mkobject PARAMS ((bfd *abfd)); | |
89 | static PTR ecoff_mkobject_hook PARAMS ((bfd *abfd, PTR filehdr, PTR aouthdr)); | |
90 | static boolean ecoff_set_arch_mach_hook PARAMS ((bfd *abfd, PTR filehdr)); | |
91 | static long ecoff_sec_to_styp_flags PARAMS ((CONST char *name, | |
92 | flagword flags)); | |
93 | static flagword ecoff_styp_to_sec_flags PARAMS ((bfd *abfd, PTR hdr)); | |
f6409552 ILT |
94 | static asymbol *ecoff_make_empty_symbol PARAMS ((bfd *abfd)); |
95 | static void ecoff_set_symbol_info PARAMS ((bfd *abfd, SYMR *ecoff_sym, | |
96 | asymbol *asym, int ext)); | |
97 | static boolean ecoff_slurp_symbol_table PARAMS ((bfd *abfd)); | |
98 | static unsigned int ecoff_get_symtab_upper_bound PARAMS ((bfd *abfd)); | |
99 | static unsigned int ecoff_get_symtab PARAMS ((bfd *abfd, | |
100 | asymbol **alocation)); | |
101 | static void ecoff_emit_aggregate PARAMS ((bfd *abfd, char *string, | |
102 | RNDXR *rndx, long isym, | |
103 | CONST char *which)); | |
104 | static char *ecoff_type_to_string PARAMS ((bfd *abfd, union aux_ext *aux_ptr, | |
105 | int indx, int bigendian)); | |
106 | static void ecoff_print_symbol PARAMS ((bfd *abfd, PTR filep, | |
107 | asymbol *symbol, | |
108 | bfd_print_symbol_type how)); | |
109 | static void ecoff_swap_reloc_in PARAMS ((bfd *abfd, RELOC *ext, | |
110 | struct internal_reloc *intern)); | |
111 | static unsigned int ecoff_swap_reloc_out PARAMS ((bfd *abfd, PTR src, | |
112 | PTR dst)); | |
113 | static bfd_reloc_status_type ecoff_generic_reloc PARAMS ((bfd *abfd, | |
114 | arelent *reloc, | |
115 | asymbol *symbol, | |
116 | PTR data, | |
117 | asection *section, | |
118 | bfd *output_bfd)); | |
119 | static bfd_reloc_status_type ecoff_refhi_reloc PARAMS ((bfd *abfd, | |
120 | arelent *reloc, | |
121 | asymbol *symbol, | |
122 | PTR data, | |
123 | asection *section, | |
124 | bfd *output_bfd)); | |
125 | static bfd_reloc_status_type ecoff_gprel_reloc PARAMS ((bfd *abfd, | |
126 | arelent *reloc, | |
127 | asymbol *symbol, | |
128 | PTR data, | |
129 | asection *section, | |
130 | bfd *output_bfd)); | |
131 | static boolean ecoff_slurp_reloc_table PARAMS ((bfd *abfd, asection *section, | |
132 | asymbol **symbols)); | |
133 | static unsigned int ecoff_canonicalize_reloc PARAMS ((bfd *abfd, | |
134 | asection *section, | |
135 | arelent **relptr, | |
136 | asymbol **symbols)); | |
137 | static boolean ecoff_find_nearest_line PARAMS ((bfd *abfd, | |
138 | asection *section, | |
139 | asymbol **symbols, | |
140 | bfd_vma offset, | |
141 | CONST char **filename_ptr, | |
142 | CONST char **fnname_ptr, | |
143 | unsigned int *retline_ptr)); | |
144 | static void ecoff_clear_output_flags PARAMS ((bfd *abfd)); | |
145 | static boolean ecoff_rel PARAMS ((bfd *output_bfd, bfd_seclet_type *seclet, | |
146 | asection *output_section, PTR data, | |
147 | boolean relocateable)); | |
148 | static boolean ecoff_dump_seclet PARAMS ((bfd *abfd, bfd_seclet_type *seclet, | |
149 | asection *section, PTR data, | |
150 | boolean relocateable)); | |
151 | static long ecoff_add_string PARAMS ((bfd *output_bfd, FDR *fdr, | |
152 | CONST char *string, boolean external)); | |
153 | static boolean ecoff_get_debug PARAMS ((bfd *output_bfd, | |
154 | bfd_seclet_type *seclet, | |
155 | asection *section, | |
156 | boolean relocateable)); | |
157 | static boolean ecoff_bfd_seclet_link PARAMS ((bfd *abfd, PTR data, | |
158 | boolean relocateable)); | |
159 | static boolean ecoff_set_arch_mach PARAMS ((bfd *abfd, | |
160 | enum bfd_architecture arch, | |
161 | unsigned long machine)); | |
162 | static int ecoff_sizeof_headers PARAMS ((bfd *abfd, boolean reloc)); | |
163 | static void ecoff_compute_section_file_positions PARAMS ((bfd *abfd)); | |
164 | static boolean ecoff_set_section_contents PARAMS ((bfd *abfd, | |
165 | asection *section, | |
166 | PTR location, | |
167 | file_ptr offset, | |
168 | bfd_size_type count)); | |
169 | static boolean ecoff_write_object_contents PARAMS ((bfd *abfd)); | |
170 | static unsigned int ecoff_armap_hash PARAMS ((CONST char *s, | |
171 | unsigned int *rehash, | |
172 | unsigned int size, | |
173 | unsigned int hlog)); | |
174 | static boolean ecoff_slurp_armap PARAMS ((bfd *abfd)); | |
175 | static boolean ecoff_write_armap PARAMS ((bfd *abfd, unsigned int elength, | |
176 | struct orl *map, | |
177 | unsigned int orl_count, | |
178 | int stridx)); | |
179 | static bfd_target *ecoff_archive_p PARAMS ((bfd *abfd)); | |
180 | \f | |
8fa0d3a0 ILT |
181 | /* Get the generic COFF swapping routines, except for the reloc, |
182 | symbol, and lineno ones. Give them ecoff names. */ | |
c3fe0c41 | 183 | #define MIPSECOFF |
8fa0d3a0 | 184 | #define NO_COFF_RELOCS |
515c4292 ILT |
185 | #define NO_COFF_SYMBOLS |
186 | #define NO_COFF_LINENOS | |
515c4292 ILT |
187 | #define coff_swap_filehdr_in ecoff_swap_filehdr_in |
188 | #define coff_swap_filehdr_out ecoff_swap_filehdr_out | |
189 | #define coff_swap_aouthdr_in ecoff_swap_aouthdr_in | |
190 | #define coff_swap_aouthdr_out ecoff_swap_aouthdr_out | |
191 | #define coff_swap_scnhdr_in ecoff_swap_scnhdr_in | |
192 | #define coff_swap_scnhdr_out ecoff_swap_scnhdr_out | |
193 | #include "coffswap.h" | |
194 | \f | |
195 | /* This stuff is somewhat copied from coffcode.h. */ | |
196 | ||
197 | static asection bfd_debug_section = { "*DEBUG*" }; | |
198 | ||
199 | /* See whether the magic number matches. */ | |
200 | ||
201 | static boolean | |
f6409552 ILT |
202 | ecoff_bad_format_hook (abfd, filehdr) |
203 | bfd *abfd; | |
204 | PTR filehdr; | |
515c4292 ILT |
205 | { |
206 | struct internal_filehdr *internal_f = (struct internal_filehdr *) filehdr; | |
207 | ||
208 | if (ECOFFBADMAG (*internal_f)) | |
209 | return false; | |
210 | ||
211 | return true; | |
212 | } | |
213 | ||
214 | /* This is a hook needed by SCO COFF, but we have nothing to do. */ | |
215 | ||
216 | static asection * | |
f6409552 ILT |
217 | ecoff_make_section_hook (abfd, name) |
218 | bfd *abfd; | |
219 | char *name; | |
515c4292 ILT |
220 | { |
221 | return (asection *) NULL; | |
222 | } | |
223 | ||
224 | /* Initialize a new section. */ | |
225 | ||
226 | static boolean | |
f6409552 ILT |
227 | ecoff_new_section_hook (abfd, section) |
228 | bfd *abfd; | |
229 | asection *section; | |
515c4292 ILT |
230 | { |
231 | section->alignment_power = abfd->xvec->align_power_min; | |
8fa0d3a0 ILT |
232 | |
233 | if (strcmp (section->name, _TEXT) == 0) | |
234 | section->flags |= SEC_CODE | SEC_LOAD | SEC_ALLOC; | |
235 | else if (strcmp (section->name, _DATA) == 0 | |
236 | || strcmp (section->name, _SDATA) == 0) | |
237 | section->flags |= SEC_DATA | SEC_LOAD | SEC_ALLOC; | |
238 | else if (strcmp (section->name, _RDATA) == 0 | |
239 | || strcmp (section->name, _LIT8) == 0 | |
240 | || strcmp (section->name, _LIT4) == 0) | |
241 | section->flags |= SEC_DATA | SEC_LOAD | SEC_ALLOC | SEC_READONLY; | |
242 | else if (strcmp (section->name, _BSS) == 0 | |
243 | || strcmp (section->name, _SBSS) == 0) | |
bf4b84bc | 244 | section->flags |= SEC_ALLOC; |
8fa0d3a0 ILT |
245 | |
246 | /* Probably any other section name is SEC_NEVER_LOAD, but I'm | |
247 | uncertain about .init on some systems and I don't know how shared | |
248 | libraries work. */ | |
249 | ||
515c4292 ILT |
250 | return true; |
251 | } | |
252 | ||
f6409552 ILT |
253 | /* Set the alignment of a section; we have nothing to do. */ |
254 | ||
515c4292 ILT |
255 | #define ecoff_set_alignment_hook \ |
256 | ((void (*) PARAMS ((bfd *, asection *, PTR))) bfd_void) | |
257 | ||
f6409552 ILT |
258 | /* Create an ECOFF object. */ |
259 | ||
515c4292 | 260 | static boolean |
f6409552 ILT |
261 | ecoff_mkobject (abfd) |
262 | bfd *abfd; | |
515c4292 ILT |
263 | { |
264 | abfd->tdata.ecoff_obj_data = ((struct ecoff_tdata *) | |
265 | bfd_zalloc (abfd, sizeof(ecoff_data_type))); | |
266 | if (abfd->tdata.ecoff_obj_data == NULL) | |
267 | { | |
268 | bfd_error = no_memory; | |
269 | return false; | |
270 | } | |
271 | ||
5e462ed9 ILT |
272 | /* Always create a .scommon section for every BFD. This is a hack so |
273 | that the linker has something to attach scSCommon symbols to. */ | |
274 | bfd_make_section (abfd, SCOMMON); | |
275 | ||
515c4292 ILT |
276 | return true; |
277 | } | |
278 | ||
f6409552 | 279 | /* Create the ECOFF backend specific information. */ |
515c4292 | 280 | |
c3fe0c41 ILT |
281 | static PTR |
282 | ecoff_mkobject_hook (abfd, filehdr, aouthdr) | |
283 | bfd *abfd; | |
284 | PTR filehdr; | |
285 | PTR aouthdr; | |
515c4292 ILT |
286 | { |
287 | struct internal_filehdr *internal_f = (struct internal_filehdr *) filehdr; | |
c3fe0c41 | 288 | struct internal_aouthdr *internal_a = (struct internal_aouthdr *) aouthdr; |
515c4292 ILT |
289 | ecoff_data_type *ecoff; |
290 | ||
291 | if (ecoff_mkobject (abfd) == false) | |
292 | return NULL; | |
293 | ||
294 | ecoff = ecoff_data (abfd); | |
295 | ecoff->sym_filepos = internal_f->f_symptr; | |
c3fe0c41 ILT |
296 | |
297 | if (internal_a != (struct internal_aouthdr *) NULL) | |
298 | { | |
299 | int i; | |
300 | ||
6d18a99d ILT |
301 | ecoff->text_start = internal_a->text_start; |
302 | ecoff->text_end = internal_a->text_start + internal_a->tsize; | |
c3fe0c41 ILT |
303 | ecoff->gp = internal_a->gp_value; |
304 | ecoff->gprmask = internal_a->gprmask; | |
5e462ed9 | 305 | for (i = 0; i < 4; i++) |
c3fe0c41 ILT |
306 | ecoff->cprmask[i] = internal_a->cprmask[i]; |
307 | } | |
308 | ||
515c4292 ILT |
309 | return (PTR) ecoff; |
310 | } | |
311 | ||
312 | /* Determine the machine architecture and type. */ | |
f6409552 | 313 | |
515c4292 | 314 | static boolean |
f6409552 ILT |
315 | ecoff_set_arch_mach_hook (abfd, filehdr) |
316 | bfd *abfd; | |
317 | PTR filehdr; | |
515c4292 | 318 | { |
515c4292 | 319 | struct internal_filehdr *internal_f = (struct internal_filehdr *) filehdr; |
f6409552 | 320 | enum bfd_architecture arch; |
515c4292 | 321 | |
f6409552 ILT |
322 | switch (internal_f->f_magic) |
323 | { | |
324 | case MIPS_MAGIC_1: | |
6d18a99d ILT |
325 | case MIPS_MAGIC_LITTLE: |
326 | case MIPS_MAGIC_BIG: | |
f6409552 ILT |
327 | arch = bfd_arch_mips; |
328 | break; | |
329 | ||
330 | default: | |
331 | arch = bfd_arch_obscure; | |
332 | break; | |
333 | } | |
334 | ||
335 | bfd_default_set_arch_mach (abfd, arch, (unsigned long) 0); | |
515c4292 | 336 | |
515c4292 ILT |
337 | return true; |
338 | } | |
339 | ||
8fa0d3a0 ILT |
340 | /* Get the section s_flags to use for a section. */ |
341 | ||
342 | static long | |
f6409552 ILT |
343 | ecoff_sec_to_styp_flags (name, flags) |
344 | CONST char *name; | |
345 | flagword flags; | |
8fa0d3a0 ILT |
346 | { |
347 | long styp; | |
348 | ||
349 | styp = 0; | |
350 | ||
351 | if (strcmp (name, _TEXT) == 0) | |
352 | styp = STYP_TEXT; | |
353 | else if (strcmp (name, _DATA) == 0) | |
c3fe0c41 | 354 | styp = STYP_DATA; |
8fa0d3a0 | 355 | else if (strcmp (name, _SDATA) == 0) |
c3fe0c41 | 356 | styp = STYP_SDATA; |
8fa0d3a0 ILT |
357 | else if (strcmp (name, _RDATA) == 0) |
358 | styp = STYP_RDATA; | |
359 | else if (strcmp (name, _LIT8) == 0) | |
360 | styp = STYP_LIT8; | |
361 | else if (strcmp (name, _LIT4) == 0) | |
362 | styp = STYP_LIT4; | |
363 | else if (strcmp (name, _BSS) == 0) | |
364 | styp = STYP_BSS; | |
365 | else if (strcmp (name, _SBSS) == 0) | |
366 | styp = STYP_SBSS; | |
367 | else if (flags & SEC_CODE) | |
368 | styp = STYP_TEXT; | |
369 | else if (flags & SEC_DATA) | |
370 | styp = STYP_DATA; | |
371 | else if (flags & SEC_READONLY) | |
372 | styp = STYP_RDATA; | |
373 | else if (flags & SEC_LOAD) | |
374 | styp = STYP_TEXT; | |
375 | else | |
376 | styp = STYP_BSS; | |
377 | ||
378 | if (flags & SEC_NEVER_LOAD) | |
379 | styp |= STYP_NOLOAD; | |
380 | ||
381 | return styp; | |
382 | } | |
383 | ||
515c4292 ILT |
384 | /* Get the BFD flags to use for a section. */ |
385 | ||
386 | static flagword | |
f6409552 ILT |
387 | ecoff_styp_to_sec_flags (abfd, hdr) |
388 | bfd *abfd; | |
389 | PTR hdr; | |
515c4292 ILT |
390 | { |
391 | struct internal_scnhdr *internal_s = (struct internal_scnhdr *) hdr; | |
392 | long styp_flags = internal_s->s_flags; | |
393 | flagword sec_flags=0; | |
394 | ||
395 | if (styp_flags & STYP_NOLOAD) | |
396 | sec_flags |= SEC_NEVER_LOAD; | |
397 | ||
398 | /* For 386 COFF, at least, an unloadable text or data section is | |
399 | actually a shared library section. */ | |
400 | if (styp_flags & STYP_TEXT) | |
401 | { | |
402 | if (sec_flags & SEC_NEVER_LOAD) | |
403 | sec_flags |= SEC_CODE | SEC_SHARED_LIBRARY; | |
404 | else | |
405 | sec_flags |= SEC_CODE | SEC_LOAD | SEC_ALLOC; | |
406 | } | |
407 | else if ((styp_flags & STYP_DATA) | |
408 | || (styp_flags & STYP_RDATA) | |
409 | || (styp_flags & STYP_SDATA)) | |
410 | { | |
411 | if (sec_flags & SEC_NEVER_LOAD) | |
412 | sec_flags |= SEC_DATA | SEC_SHARED_LIBRARY; | |
413 | else | |
414 | sec_flags |= SEC_DATA | SEC_LOAD | SEC_ALLOC; | |
415 | if (styp_flags & STYP_RDATA) | |
416 | sec_flags |= SEC_READONLY; | |
417 | } | |
418 | else if ((styp_flags & STYP_BSS) | |
419 | || (styp_flags & STYP_SBSS)) | |
420 | { | |
421 | sec_flags |= SEC_ALLOC; | |
422 | } | |
423 | else if (styp_flags & STYP_INFO) | |
424 | { | |
425 | sec_flags |= SEC_NEVER_LOAD; | |
426 | } | |
427 | else if ((styp_flags & STYP_LIT8) | |
428 | || (styp_flags & STYP_LIT4)) | |
429 | { | |
430 | sec_flags |= SEC_DATA | SEC_LOAD | SEC_ALLOC | SEC_READONLY; | |
431 | } | |
432 | else | |
433 | { | |
434 | sec_flags |= SEC_ALLOC | SEC_LOAD; | |
435 | } | |
436 | ||
437 | return sec_flags; | |
438 | } | |
439 | \f | |
8fa0d3a0 | 440 | /* Read in and swap the important symbolic information for an ECOFF |
20f10b59 ILT |
441 | object file. FIXME: This is called by gdb. If there is ever |
442 | another ECOFF target, it should be moved into some sort of target | |
443 | specific structure. */ | |
8fa0d3a0 | 444 | |
20f10b59 | 445 | boolean |
f6409552 ILT |
446 | ecoff_slurp_symbolic_info (abfd) |
447 | bfd *abfd; | |
8fa0d3a0 ILT |
448 | { |
449 | struct hdr_ext external_symhdr; | |
450 | HDRR *internal_symhdr; | |
451 | bfd_size_type raw_base; | |
452 | bfd_size_type raw_size; | |
453 | PTR raw; | |
454 | struct fdr_ext *fraw_src; | |
455 | struct fdr_ext *fraw_end; | |
456 | struct fdr *fdr_ptr; | |
457 | ||
458 | /* Check whether we've already gotten it, and whether there's any to | |
459 | get. */ | |
460 | if (ecoff_data (abfd)->raw_syments != (PTR) NULL) | |
461 | return true; | |
462 | if (ecoff_data (abfd)->sym_filepos == 0) | |
463 | { | |
464 | bfd_get_symcount (abfd) = 0; | |
465 | return true; | |
466 | } | |
467 | ||
468 | /* At this point bfd_get_symcount (abfd) holds the number of symbols | |
469 | as read from the file header, but on ECOFF this is always the | |
470 | size of the symbolic information header. It would be cleaner to | |
471 | handle this when we first read the file in coffgen.c. */ | |
472 | if (bfd_get_symcount (abfd) != sizeof (external_symhdr)) | |
473 | { | |
474 | bfd_error = bad_value; | |
475 | return false; | |
476 | } | |
477 | ||
478 | /* Read the symbolic information header. */ | |
479 | if (bfd_seek (abfd, ecoff_data (abfd)->sym_filepos, SEEK_SET) == -1 | |
480 | || (bfd_read ((PTR) &external_symhdr, sizeof (external_symhdr), 1, abfd) | |
481 | != sizeof (external_symhdr))) | |
482 | { | |
483 | bfd_error = system_call_error; | |
484 | return false; | |
485 | } | |
486 | internal_symhdr = &ecoff_data (abfd)->symbolic_header; | |
487 | ecoff_swap_hdr_in (abfd, &external_symhdr, internal_symhdr); | |
488 | ||
489 | if (internal_symhdr->magic != magicSym) | |
490 | { | |
491 | bfd_error = bad_value; | |
492 | return false; | |
493 | } | |
494 | ||
495 | /* Now we can get the correct number of symbols. */ | |
496 | bfd_get_symcount (abfd) = (internal_symhdr->isymMax | |
497 | + internal_symhdr->iextMax); | |
498 | ||
c3fe0c41 | 499 | /* Read all the symbolic information at once. */ |
23ba15b7 ILT |
500 | raw_base = ecoff_data (abfd)->sym_filepos + sizeof (struct hdr_ext); |
501 | ||
502 | if (internal_symhdr->cbExtOffset != 0) | |
503 | raw_size = (internal_symhdr->cbExtOffset | |
504 | - raw_base | |
505 | + internal_symhdr->iextMax * sizeof (struct ext_ext)); | |
506 | else | |
507 | { | |
508 | long cbline, issmax, issextmax; | |
509 | ||
6d18a99d ILT |
510 | cbline = (internal_symhdr->cbLine + 3) &~ 3; |
511 | issmax = (internal_symhdr->issMax + 3) &~ 3; | |
512 | issextmax = (internal_symhdr->issExtMax + 3) &~ 3; | |
23ba15b7 ILT |
513 | raw_size = (cbline * sizeof (unsigned char) |
514 | + internal_symhdr->idnMax * sizeof (struct dnr_ext) | |
515 | + internal_symhdr->ipdMax * sizeof (struct pdr_ext) | |
516 | + internal_symhdr->isymMax * sizeof (struct sym_ext) | |
517 | + internal_symhdr->ioptMax * sizeof (struct opt_ext) | |
518 | + internal_symhdr->iauxMax * sizeof (union aux_ext) | |
519 | + issmax * sizeof (char) | |
520 | + issextmax * sizeof (char) | |
521 | + internal_symhdr->ifdMax * sizeof (struct fdr_ext) | |
522 | + internal_symhdr->crfd * sizeof (struct rfd_ext) | |
523 | + internal_symhdr->iextMax * sizeof (struct ext_ext)); | |
524 | } | |
525 | ||
c3fe0c41 ILT |
526 | if (raw_size == 0) |
527 | { | |
528 | ecoff_data (abfd)->sym_filepos = 0; | |
529 | return true; | |
530 | } | |
8fa0d3a0 ILT |
531 | raw = (PTR) bfd_alloc (abfd, raw_size); |
532 | if (raw == NULL) | |
533 | { | |
534 | bfd_error = no_memory; | |
535 | return false; | |
536 | } | |
537 | if (bfd_read (raw, raw_size, 1, abfd) != raw_size) | |
538 | { | |
539 | bfd_error = system_call_error; | |
540 | bfd_release (abfd, raw); | |
541 | return false; | |
542 | } | |
543 | ||
544 | ecoff_data (abfd)->raw_size = raw_size; | |
545 | ecoff_data (abfd)->raw_syments = raw; | |
546 | ||
547 | /* Get pointers for the numeric offsets in the HDRR structure. */ | |
548 | #define FIX(off1, off2, type) \ | |
549 | if (internal_symhdr->off1 == 0) \ | |
550 | ecoff_data (abfd)->off2 = (type *) NULL; \ | |
551 | else \ | |
552 | ecoff_data (abfd)->off2 = (type *) ((char *) raw \ | |
553 | + internal_symhdr->off1 \ | |
554 | - raw_base) | |
555 | FIX (cbLineOffset, line, unsigned char); | |
556 | FIX (cbDnOffset, external_dnr, struct dnr_ext); | |
557 | FIX (cbPdOffset, external_pdr, struct pdr_ext); | |
558 | FIX (cbSymOffset, external_sym, struct sym_ext); | |
559 | FIX (cbOptOffset, external_opt, struct opt_ext); | |
560 | FIX (cbAuxOffset, external_aux, union aux_ext); | |
561 | FIX (cbSsOffset, ss, char); | |
562 | FIX (cbSsExtOffset, ssext, char); | |
563 | FIX (cbFdOffset, external_fdr, struct fdr_ext); | |
564 | FIX (cbRfdOffset, external_rfd, struct rfd_ext); | |
565 | FIX (cbExtOffset, external_ext, struct ext_ext); | |
566 | #undef FIX | |
567 | ||
568 | /* I don't want to always swap all the data, because it will just | |
569 | waste time and most programs will never look at it. The only | |
570 | time the linker needs most of the debugging information swapped | |
571 | is when linking big-endian and little-endian MIPS object files | |
572 | together, which is not a common occurrence. | |
573 | ||
574 | We need to look at the fdr to deal with a lot of information in | |
575 | the symbols, so we swap them here. */ | |
576 | ecoff_data (abfd)->fdr = (struct fdr *) bfd_alloc (abfd, | |
577 | (internal_symhdr->ifdMax * | |
578 | sizeof (struct fdr))); | |
579 | if (ecoff_data (abfd)->fdr == NULL) | |
580 | { | |
581 | bfd_error = no_memory; | |
582 | return false; | |
583 | } | |
584 | fdr_ptr = ecoff_data (abfd)->fdr; | |
585 | fraw_src = ecoff_data (abfd)->external_fdr; | |
586 | fraw_end = fraw_src + internal_symhdr->ifdMax; | |
587 | for (; fraw_src < fraw_end; fraw_src++, fdr_ptr++) | |
588 | ecoff_swap_fdr_in (abfd, fraw_src, fdr_ptr); | |
589 | ||
590 | return true; | |
591 | } | |
592 | \f | |
515c4292 ILT |
593 | /* ECOFF symbol table routines. The ECOFF symbol table is described |
594 | in gcc/mips-tfile.c. */ | |
595 | ||
bf4b84bc ILT |
596 | /* ECOFF uses two common sections. One is the usual one, and the |
597 | other is for small objects. All the small objects are kept | |
598 | together, and then referenced via the gp pointer, which yields | |
599 | faster assembler code. This is what we use for the small common | |
600 | section. */ | |
601 | static asection ecoff_scom_section; | |
602 | static asymbol ecoff_scom_symbol; | |
603 | static asymbol *ecoff_scom_symbol_ptr; | |
604 | ||
515c4292 ILT |
605 | /* Create an empty symbol. */ |
606 | ||
607 | static asymbol * | |
f6409552 ILT |
608 | ecoff_make_empty_symbol (abfd) |
609 | bfd *abfd; | |
515c4292 ILT |
610 | { |
611 | ecoff_symbol_type *new; | |
612 | ||
613 | new = (ecoff_symbol_type *) bfd_alloc (abfd, sizeof (ecoff_symbol_type)); | |
614 | if (new == (ecoff_symbol_type *) NULL) | |
615 | { | |
616 | bfd_error = no_memory; | |
617 | return (asymbol *) NULL; | |
618 | } | |
619 | new->symbol.section = (asection *) NULL; | |
620 | new->fdr = (FDR *) NULL; | |
621 | new->local = false; | |
622 | new->native.lnative = (struct sym_ext *) NULL; | |
623 | new->symbol.the_bfd = abfd; | |
624 | return &new->symbol; | |
625 | } | |
626 | ||
627 | /* Set the BFD flags and section for an ECOFF symbol. */ | |
628 | ||
629 | static void | |
f6409552 ILT |
630 | ecoff_set_symbol_info (abfd, ecoff_sym, asym, ext) |
631 | bfd *abfd; | |
632 | SYMR *ecoff_sym; | |
633 | asymbol *asym; | |
634 | int ext; | |
515c4292 ILT |
635 | { |
636 | asym->the_bfd = abfd; | |
637 | asym->value = ecoff_sym->value; | |
638 | asym->section = &bfd_debug_section; | |
639 | asym->udata = NULL; | |
c3fe0c41 ILT |
640 | |
641 | /* Most symbol types are just for debugging. */ | |
642 | switch (ecoff_sym->st) | |
643 | { | |
644 | case stGlobal: | |
645 | case stStatic: | |
646 | case stLabel: | |
647 | case stProc: | |
648 | case stStaticProc: | |
23ba15b7 | 649 | case stNil: |
c3fe0c41 ILT |
650 | break; |
651 | default: | |
652 | asym->flags = BSF_DEBUGGING; | |
653 | return; | |
654 | } | |
655 | ||
515c4292 ILT |
656 | if (ext) |
657 | asym->flags = BSF_EXPORT | BSF_GLOBAL; | |
658 | else | |
659 | asym->flags = BSF_LOCAL; | |
660 | switch (ecoff_sym->sc) | |
661 | { | |
662 | case scNil: | |
23ba15b7 ILT |
663 | /* Used for compiler generated labels. Leave them in the |
664 | debugging section, and mark them as local. If BSF_DEBUGGING | |
665 | is set, then nm does not display them for some reason. If no | |
666 | flags are set then the linker whines about them. */ | |
667 | asym->flags = BSF_LOCAL; | |
515c4292 ILT |
668 | break; |
669 | case scText: | |
670 | asym->section = bfd_make_section_old_way (abfd, ".text"); | |
671 | asym->value -= asym->section->vma; | |
672 | break; | |
673 | case scData: | |
674 | asym->section = bfd_make_section_old_way (abfd, ".data"); | |
675 | asym->value -= asym->section->vma; | |
676 | break; | |
677 | case scBss: | |
c3fe0c41 | 678 | if (ext) |
23ba15b7 ILT |
679 | { |
680 | asym->section = &bfd_com_section; | |
681 | asym->flags = 0; | |
682 | } | |
c3fe0c41 ILT |
683 | else |
684 | { | |
685 | asym->section = bfd_make_section_old_way (abfd, ".bss"); | |
686 | asym->value -= asym->section->vma; | |
687 | } | |
515c4292 ILT |
688 | break; |
689 | case scRegister: | |
690 | asym->flags = BSF_DEBUGGING; | |
691 | break; | |
692 | case scAbs: | |
693 | asym->section = &bfd_abs_section; | |
515c4292 ILT |
694 | break; |
695 | case scUndefined: | |
696 | asym->section = &bfd_und_section; | |
23ba15b7 ILT |
697 | asym->flags = 0; |
698 | asym->value = 0; | |
515c4292 ILT |
699 | break; |
700 | case scCdbLocal: | |
701 | case scBits: | |
702 | case scCdbSystem: | |
703 | case scRegImage: | |
704 | case scInfo: | |
705 | case scUserStruct: | |
706 | asym->flags = BSF_DEBUGGING; | |
707 | break; | |
708 | case scSData: | |
709 | asym->section = bfd_make_section_old_way (abfd, ".sdata"); | |
710 | asym->value -= asym->section->vma; | |
711 | break; | |
712 | case scSBss: | |
382f2a3d | 713 | asym->section = bfd_make_section_old_way (abfd, ".sbss"); |
bf4b84bc ILT |
714 | if (! ext) |
715 | asym->value -= asym->section->vma; | |
515c4292 ILT |
716 | break; |
717 | case scRData: | |
718 | asym->section = bfd_make_section_old_way (abfd, ".rdata"); | |
719 | asym->value -= asym->section->vma; | |
720 | break; | |
721 | case scVar: | |
722 | asym->flags = BSF_DEBUGGING; | |
723 | break; | |
724 | case scCommon: | |
5e462ed9 ILT |
725 | /* FIXME: We should take a -G argument, which gives the maximum |
726 | size of objects to be put in the small common section. Until | |
727 | we do, we put objects of sizes up to 8 in the small common | |
728 | section. The assembler should do this for us, but the native | |
729 | assembler seems to get confused. */ | |
730 | if (asym->value > 8) | |
731 | { | |
732 | asym->section = &bfd_com_section; | |
733 | break; | |
734 | } | |
735 | /* Fall through. */ | |
382f2a3d | 736 | case scSCommon: |
bf4b84bc ILT |
737 | if (ecoff_scom_section.name == NULL) |
738 | { | |
739 | /* Initialize the small common section. */ | |
5e462ed9 | 740 | ecoff_scom_section.name = SCOMMON; |
bf4b84bc ILT |
741 | ecoff_scom_section.flags = SEC_IS_COMMON; |
742 | ecoff_scom_section.output_section = &ecoff_scom_section; | |
743 | ecoff_scom_section.symbol = &ecoff_scom_symbol; | |
744 | ecoff_scom_section.symbol_ptr_ptr = &ecoff_scom_symbol_ptr; | |
5e462ed9 | 745 | ecoff_scom_symbol.name = SCOMMON; |
bf4b84bc ILT |
746 | ecoff_scom_symbol.flags = BSF_SECTION_SYM; |
747 | ecoff_scom_symbol.section = &ecoff_scom_section; | |
748 | ecoff_scom_symbol_ptr = &ecoff_scom_symbol; | |
749 | } | |
750 | asym->section = &ecoff_scom_section; | |
23ba15b7 | 751 | asym->flags = 0; |
382f2a3d | 752 | break; |
515c4292 ILT |
753 | case scVarRegister: |
754 | case scVariant: | |
755 | asym->flags = BSF_DEBUGGING; | |
756 | break; | |
757 | case scSUndefined: | |
758 | asym->section = &bfd_und_section; | |
23ba15b7 ILT |
759 | asym->flags = 0; |
760 | asym->value = 0; | |
515c4292 ILT |
761 | break; |
762 | case scInit: | |
763 | asym->section = bfd_make_section_old_way (abfd, ".init"); | |
764 | asym->value -= asym->section->vma; | |
765 | break; | |
766 | case scBasedVar: | |
767 | case scXData: | |
768 | case scPData: | |
769 | asym->flags = BSF_DEBUGGING; | |
770 | break; | |
771 | case scFini: | |
772 | asym->section = bfd_make_section_old_way (abfd, ".fini"); | |
773 | asym->value -= asym->section->vma; | |
774 | break; | |
775 | default: | |
515c4292 ILT |
776 | break; |
777 | } | |
778 | } | |
779 | ||
780 | /* Read an ECOFF symbol table. */ | |
781 | ||
782 | static boolean | |
f6409552 ILT |
783 | ecoff_slurp_symbol_table (abfd) |
784 | bfd *abfd; | |
515c4292 | 785 | { |
515c4292 | 786 | bfd_size_type internal_size; |
515c4292 ILT |
787 | ecoff_symbol_type *internal; |
788 | ecoff_symbol_type *internal_ptr; | |
789 | struct ext_ext *eraw_src; | |
790 | struct ext_ext *eraw_end; | |
8fa0d3a0 ILT |
791 | FDR *fdr_ptr; |
792 | FDR *fdr_end; | |
515c4292 ILT |
793 | |
794 | /* If we've already read in the symbol table, do nothing. */ | |
795 | if (ecoff_data (abfd)->canonical_symbols != NULL) | |
796 | return true; | |
797 | ||
8fa0d3a0 ILT |
798 | /* Get the symbolic information. */ |
799 | if (ecoff_slurp_symbolic_info (abfd) == false) | |
800 | return false; | |
801 | if (bfd_get_symcount (abfd) == 0) | |
802 | return true; | |
515c4292 ILT |
803 | |
804 | internal_size = bfd_get_symcount (abfd) * sizeof (ecoff_symbol_type); | |
805 | internal = (ecoff_symbol_type *) bfd_alloc (abfd, internal_size); | |
806 | if (internal == NULL) | |
807 | { | |
808 | bfd_error = no_memory; | |
809 | return false; | |
810 | } | |
811 | ||
812 | internal_ptr = internal; | |
813 | eraw_src = ecoff_data (abfd)->external_ext; | |
8fa0d3a0 | 814 | eraw_end = eraw_src + ecoff_data (abfd)->symbolic_header.iextMax; |
515c4292 ILT |
815 | for (; eraw_src < eraw_end; eraw_src++, internal_ptr++) |
816 | { | |
817 | EXTR internal_esym; | |
818 | ||
819 | ecoff_swap_ext_in (abfd, eraw_src, &internal_esym); | |
820 | internal_ptr->symbol.name = (ecoff_data (abfd)->ssext | |
821 | + internal_esym.asym.iss); | |
822 | ecoff_set_symbol_info (abfd, &internal_esym.asym, | |
823 | &internal_ptr->symbol, 1); | |
824 | internal_ptr->fdr = ecoff_data (abfd)->fdr + internal_esym.ifd; | |
825 | internal_ptr->local = false; | |
826 | internal_ptr->native.enative = eraw_src; | |
827 | } | |
828 | ||
829 | /* The local symbols must be accessed via the fdr's, because the | |
830 | string and aux indices are relative to the fdr information. */ | |
831 | fdr_ptr = ecoff_data (abfd)->fdr; | |
8fa0d3a0 | 832 | fdr_end = fdr_ptr + ecoff_data (abfd)->symbolic_header.ifdMax; |
515c4292 ILT |
833 | for (; fdr_ptr < fdr_end; fdr_ptr++) |
834 | { | |
835 | struct sym_ext *lraw_src; | |
836 | struct sym_ext *lraw_end; | |
837 | ||
838 | lraw_src = ecoff_data (abfd)->external_sym + fdr_ptr->isymBase; | |
839 | lraw_end = lraw_src + fdr_ptr->csym; | |
840 | for (; lraw_src < lraw_end; lraw_src++, internal_ptr++) | |
841 | { | |
842 | SYMR internal_sym; | |
843 | ||
844 | ecoff_swap_sym_in (abfd, lraw_src, &internal_sym); | |
845 | internal_ptr->symbol.name = (ecoff_data (abfd)->ss | |
846 | + fdr_ptr->issBase | |
847 | + internal_sym.iss); | |
848 | ecoff_set_symbol_info (abfd, &internal_sym, | |
849 | &internal_ptr->symbol, 0); | |
850 | internal_ptr->fdr = fdr_ptr; | |
851 | internal_ptr->local = true; | |
852 | internal_ptr->native.lnative = lraw_src; | |
853 | } | |
854 | } | |
855 | ||
856 | ecoff_data (abfd)->canonical_symbols = internal; | |
857 | ||
858 | return true; | |
859 | } | |
860 | ||
861 | static unsigned int | |
f6409552 ILT |
862 | ecoff_get_symtab_upper_bound (abfd) |
863 | bfd *abfd; | |
515c4292 | 864 | { |
8fa0d3a0 ILT |
865 | if (ecoff_slurp_symbolic_info (abfd) == false |
866 | || bfd_get_symcount (abfd) == 0) | |
515c4292 ILT |
867 | return 0; |
868 | ||
869 | return (bfd_get_symcount (abfd) + 1) * (sizeof (ecoff_symbol_type *)); | |
870 | } | |
871 | ||
872 | static unsigned int | |
f6409552 ILT |
873 | ecoff_get_symtab (abfd, alocation) |
874 | bfd *abfd; | |
875 | asymbol **alocation; | |
515c4292 ILT |
876 | { |
877 | unsigned int counter = 0; | |
878 | ecoff_symbol_type *symbase; | |
879 | ecoff_symbol_type **location = (ecoff_symbol_type **) alocation; | |
880 | ||
8fa0d3a0 ILT |
881 | if (ecoff_slurp_symbol_table (abfd) == false |
882 | || bfd_get_symcount (abfd) == 0) | |
515c4292 ILT |
883 | return 0; |
884 | ||
885 | symbase = ecoff_data (abfd)->canonical_symbols; | |
886 | while (counter < bfd_get_symcount (abfd)) | |
887 | { | |
888 | *(location++) = symbase++; | |
889 | counter++; | |
890 | } | |
891 | *location++ = (ecoff_symbol_type *) NULL; | |
892 | return bfd_get_symcount (abfd); | |
893 | } | |
894 | ||
895 | /* Turn ECOFF type information into a printable string. | |
f6409552 ILT |
896 | ecoff_emit_aggregate and ecoff_type_to_string are from |
897 | gcc/mips-tdump.c, with swapping added and used_ptr removed. */ | |
515c4292 ILT |
898 | |
899 | /* Write aggregate information to a string. */ | |
900 | ||
901 | static void | |
f6409552 ILT |
902 | ecoff_emit_aggregate (abfd, string, rndx, isym, which) |
903 | bfd *abfd; | |
904 | char *string; | |
905 | RNDXR *rndx; | |
906 | long isym; | |
907 | CONST char *which; | |
515c4292 ILT |
908 | { |
909 | int ifd = rndx->rfd; | |
910 | int indx = rndx->index; | |
911 | int sym_base, ss_base; | |
912 | CONST char *name; | |
913 | ||
914 | if (ifd == 0xfff) | |
915 | ifd = isym; | |
916 | ||
917 | sym_base = ecoff_data (abfd)->fdr[ifd].isymBase; | |
918 | ss_base = ecoff_data (abfd)->fdr[ifd].issBase; | |
919 | ||
920 | if (indx == indexNil) | |
921 | name = "/* no name */"; | |
922 | else | |
923 | { | |
924 | SYMR sym; | |
925 | ||
926 | indx += sym_base; | |
927 | ecoff_swap_sym_in (abfd, | |
928 | ecoff_data (abfd)->external_sym + indx, | |
929 | &sym); | |
930 | name = ecoff_data (abfd)->ss + ss_base + sym.iss; | |
931 | } | |
932 | ||
933 | sprintf (string, | |
934 | "%s %s { ifd = %d, index = %d }", | |
935 | which, name, ifd, | |
936 | indx + ecoff_data (abfd)->symbolic_header.iextMax); | |
937 | } | |
938 | ||
939 | /* Convert the type information to string format. */ | |
940 | ||
941 | static char * | |
f6409552 ILT |
942 | ecoff_type_to_string (abfd, aux_ptr, indx, bigendian) |
943 | bfd *abfd; | |
944 | union aux_ext *aux_ptr; | |
945 | int indx; | |
946 | int bigendian; | |
515c4292 ILT |
947 | { |
948 | AUXU u; | |
949 | struct qual { | |
950 | unsigned int type; | |
951 | int low_bound; | |
952 | int high_bound; | |
953 | int stride; | |
954 | } qualifiers[7]; | |
955 | ||
956 | unsigned int basic_type; | |
957 | int i; | |
958 | static char buffer1[1024]; | |
959 | static char buffer2[1024]; | |
960 | char *p1 = buffer1; | |
961 | char *p2 = buffer2; | |
962 | RNDXR rndx; | |
963 | ||
964 | for (i = 0; i < 7; i++) | |
965 | { | |
966 | qualifiers[i].low_bound = 0; | |
967 | qualifiers[i].high_bound = 0; | |
968 | qualifiers[i].stride = 0; | |
969 | } | |
970 | ||
971 | if (AUX_GET_ISYM (bigendian, &aux_ptr[indx]) == -1) | |
972 | return "-1 (no type)"; | |
973 | ecoff_swap_tir_in (bigendian, &aux_ptr[indx++].a_ti, &u.ti); | |
974 | ||
975 | basic_type = u.ti.bt; | |
976 | qualifiers[0].type = u.ti.tq0; | |
977 | qualifiers[1].type = u.ti.tq1; | |
978 | qualifiers[2].type = u.ti.tq2; | |
979 | qualifiers[3].type = u.ti.tq3; | |
980 | qualifiers[4].type = u.ti.tq4; | |
981 | qualifiers[5].type = u.ti.tq5; | |
982 | qualifiers[6].type = tqNil; | |
983 | ||
984 | /* | |
985 | * Go get the basic type. | |
986 | */ | |
987 | switch (basic_type) | |
988 | { | |
989 | case btNil: /* undefined */ | |
990 | strcpy (p1, "nil"); | |
991 | break; | |
992 | ||
993 | case btAdr: /* address - integer same size as pointer */ | |
994 | strcpy (p1, "address"); | |
995 | break; | |
996 | ||
997 | case btChar: /* character */ | |
998 | strcpy (p1, "char"); | |
999 | break; | |
1000 | ||
1001 | case btUChar: /* unsigned character */ | |
1002 | strcpy (p1, "unsigned char"); | |
1003 | break; | |
1004 | ||
1005 | case btShort: /* short */ | |
1006 | strcpy (p1, "short"); | |
1007 | break; | |
1008 | ||
1009 | case btUShort: /* unsigned short */ | |
1010 | strcpy (p1, "unsigned short"); | |
1011 | break; | |
1012 | ||
1013 | case btInt: /* int */ | |
1014 | strcpy (p1, "int"); | |
1015 | break; | |
1016 | ||
1017 | case btUInt: /* unsigned int */ | |
1018 | strcpy (p1, "unsigned int"); | |
1019 | break; | |
1020 | ||
1021 | case btLong: /* long */ | |
1022 | strcpy (p1, "long"); | |
1023 | break; | |
1024 | ||
1025 | case btULong: /* unsigned long */ | |
1026 | strcpy (p1, "unsigned long"); | |
1027 | break; | |
1028 | ||
1029 | case btFloat: /* float (real) */ | |
1030 | strcpy (p1, "float"); | |
1031 | break; | |
1032 | ||
1033 | case btDouble: /* Double (real) */ | |
1034 | strcpy (p1, "double"); | |
1035 | break; | |
1036 | ||
1037 | /* Structures add 1-2 aux words: | |
1038 | 1st word is [ST_RFDESCAPE, offset] pointer to struct def; | |
1039 | 2nd word is file index if 1st word rfd is ST_RFDESCAPE. */ | |
1040 | ||
1041 | case btStruct: /* Structure (Record) */ | |
1042 | ecoff_swap_rndx_in (bigendian, &aux_ptr[indx].a_rndx, &rndx); | |
f6409552 ILT |
1043 | ecoff_emit_aggregate (abfd, p1, &rndx, |
1044 | AUX_GET_ISYM (bigendian, &aux_ptr[indx+1]), | |
1045 | "struct"); | |
515c4292 ILT |
1046 | indx++; /* skip aux words */ |
1047 | break; | |
1048 | ||
1049 | /* Unions add 1-2 aux words: | |
1050 | 1st word is [ST_RFDESCAPE, offset] pointer to union def; | |
1051 | 2nd word is file index if 1st word rfd is ST_RFDESCAPE. */ | |
1052 | ||
1053 | case btUnion: /* Union */ | |
1054 | ecoff_swap_rndx_in (bigendian, &aux_ptr[indx].a_rndx, &rndx); | |
f6409552 ILT |
1055 | ecoff_emit_aggregate (abfd, p1, &rndx, |
1056 | AUX_GET_ISYM (bigendian, &aux_ptr[indx+1]), | |
1057 | "union"); | |
515c4292 ILT |
1058 | indx++; /* skip aux words */ |
1059 | break; | |
1060 | ||
1061 | /* Enumerations add 1-2 aux words: | |
1062 | 1st word is [ST_RFDESCAPE, offset] pointer to enum def; | |
1063 | 2nd word is file index if 1st word rfd is ST_RFDESCAPE. */ | |
1064 | ||
1065 | case btEnum: /* Enumeration */ | |
1066 | ecoff_swap_rndx_in (bigendian, &aux_ptr[indx].a_rndx, &rndx); | |
f6409552 ILT |
1067 | ecoff_emit_aggregate (abfd, p1, &rndx, |
1068 | AUX_GET_ISYM (bigendian, &aux_ptr[indx+1]), | |
1069 | "enum"); | |
515c4292 ILT |
1070 | indx++; /* skip aux words */ |
1071 | break; | |
1072 | ||
1073 | case btTypedef: /* defined via a typedef, isymRef points */ | |
1074 | strcpy (p1, "typedef"); | |
1075 | break; | |
1076 | ||
1077 | case btRange: /* subrange of int */ | |
1078 | strcpy (p1, "subrange"); | |
1079 | break; | |
1080 | ||
1081 | case btSet: /* pascal sets */ | |
1082 | strcpy (p1, "set"); | |
1083 | break; | |
1084 | ||
1085 | case btComplex: /* fortran complex */ | |
1086 | strcpy (p1, "complex"); | |
1087 | break; | |
1088 | ||
1089 | case btDComplex: /* fortran double complex */ | |
1090 | strcpy (p1, "double complex"); | |
1091 | break; | |
1092 | ||
1093 | case btIndirect: /* forward or unnamed typedef */ | |
1094 | strcpy (p1, "forward/unamed typedef"); | |
1095 | break; | |
1096 | ||
1097 | case btFixedDec: /* Fixed Decimal */ | |
1098 | strcpy (p1, "fixed decimal"); | |
1099 | break; | |
1100 | ||
1101 | case btFloatDec: /* Float Decimal */ | |
1102 | strcpy (p1, "float decimal"); | |
1103 | break; | |
1104 | ||
1105 | case btString: /* Varying Length Character String */ | |
1106 | strcpy (p1, "string"); | |
1107 | break; | |
1108 | ||
1109 | case btBit: /* Aligned Bit String */ | |
1110 | strcpy (p1, "bit"); | |
1111 | break; | |
1112 | ||
1113 | case btPicture: /* Picture */ | |
1114 | strcpy (p1, "picture"); | |
1115 | break; | |
1116 | ||
1117 | case btVoid: /* Void */ | |
1118 | strcpy (p1, "void"); | |
1119 | break; | |
1120 | ||
1121 | default: | |
1122 | sprintf (p1, "Unknown basic type %d", (int) basic_type); | |
1123 | break; | |
1124 | } | |
1125 | ||
1126 | p1 += strlen (buffer1); | |
1127 | ||
1128 | /* | |
1129 | * If this is a bitfield, get the bitsize. | |
1130 | */ | |
1131 | if (u.ti.fBitfield) | |
1132 | { | |
1133 | int bitsize; | |
1134 | ||
1135 | bitsize = AUX_GET_WIDTH (bigendian, &aux_ptr[indx++]); | |
1136 | sprintf (p1, " : %d", bitsize); | |
1137 | p1 += strlen (buffer1); | |
1138 | } | |
1139 | ||
1140 | ||
1141 | /* | |
1142 | * Deal with any qualifiers. | |
1143 | */ | |
1144 | if (qualifiers[0].type != tqNil) | |
1145 | { | |
1146 | /* | |
1147 | * Snarf up any array bounds in the correct order. Arrays | |
1148 | * store 5 successive words in the aux. table: | |
1149 | * word 0 RNDXR to type of the bounds (ie, int) | |
1150 | * word 1 Current file descriptor index | |
1151 | * word 2 low bound | |
1152 | * word 3 high bound (or -1 if []) | |
1153 | * word 4 stride size in bits | |
1154 | */ | |
1155 | for (i = 0; i < 7; i++) | |
1156 | { | |
1157 | if (qualifiers[i].type == tqArray) | |
1158 | { | |
1159 | qualifiers[i].low_bound = | |
1160 | AUX_GET_DNLOW (bigendian, &aux_ptr[indx+2]); | |
1161 | qualifiers[i].high_bound = | |
1162 | AUX_GET_DNHIGH (bigendian, &aux_ptr[indx+3]); | |
1163 | qualifiers[i].stride = | |
1164 | AUX_GET_WIDTH (bigendian, &aux_ptr[indx+4]); | |
1165 | indx += 5; | |
1166 | } | |
1167 | } | |
1168 | ||
1169 | /* | |
1170 | * Now print out the qualifiers. | |
1171 | */ | |
1172 | for (i = 0; i < 6; i++) | |
1173 | { | |
1174 | switch (qualifiers[i].type) | |
1175 | { | |
1176 | case tqNil: | |
1177 | case tqMax: | |
1178 | break; | |
1179 | ||
1180 | case tqPtr: | |
1181 | strcpy (p2, "ptr to "); | |
1182 | p2 += sizeof ("ptr to ")-1; | |
1183 | break; | |
1184 | ||
1185 | case tqVol: | |
1186 | strcpy (p2, "volatile "); | |
1187 | p2 += sizeof ("volatile ")-1; | |
1188 | break; | |
1189 | ||
1190 | case tqFar: | |
1191 | strcpy (p2, "far "); | |
1192 | p2 += sizeof ("far ")-1; | |
1193 | break; | |
1194 | ||
1195 | case tqProc: | |
1196 | strcpy (p2, "func. ret. "); | |
1197 | p2 += sizeof ("func. ret. "); | |
1198 | break; | |
1199 | ||
1200 | case tqArray: | |
1201 | { | |
1202 | int first_array = i; | |
1203 | int j; | |
1204 | ||
1205 | /* Print array bounds reversed (ie, in the order the C | |
1206 | programmer writes them). C is such a fun language.... */ | |
1207 | ||
1208 | while (i < 5 && qualifiers[i+1].type == tqArray) | |
1209 | i++; | |
1210 | ||
1211 | for (j = i; j >= first_array; j--) | |
1212 | { | |
1213 | strcpy (p2, "array ["); | |
1214 | p2 += sizeof ("array [")-1; | |
1215 | if (qualifiers[j].low_bound != 0) | |
1216 | sprintf (p2, | |
1217 | "%ld:%ld {%ld bits}", | |
1218 | (long) qualifiers[j].low_bound, | |
1219 | (long) qualifiers[j].high_bound, | |
1220 | (long) qualifiers[j].stride); | |
1221 | ||
1222 | else if (qualifiers[j].high_bound != -1) | |
1223 | sprintf (p2, | |
1224 | "%ld {%ld bits}", | |
1225 | (long) (qualifiers[j].high_bound + 1), | |
1226 | (long) (qualifiers[j].stride)); | |
1227 | ||
1228 | else | |
1229 | sprintf (p2, " {%ld bits}", (long) (qualifiers[j].stride)); | |
1230 | ||
1231 | p2 += strlen (p2); | |
1232 | strcpy (p2, "] of "); | |
1233 | p2 += sizeof ("] of ")-1; | |
1234 | } | |
1235 | } | |
1236 | break; | |
1237 | } | |
1238 | } | |
1239 | } | |
1240 | ||
1241 | strcpy (p2, buffer1); | |
1242 | return buffer2; | |
1243 | } | |
1244 | ||
1245 | /* Print information about an ECOFF symbol. */ | |
1246 | ||
1247 | static void | |
f6409552 ILT |
1248 | ecoff_print_symbol (abfd, filep, symbol, how) |
1249 | bfd *abfd; | |
1250 | PTR filep; | |
1251 | asymbol *symbol; | |
1252 | bfd_print_symbol_type how; | |
515c4292 ILT |
1253 | { |
1254 | FILE *file = (FILE *)filep; | |
1255 | ||
1256 | switch (how) | |
1257 | { | |
1258 | case bfd_print_symbol_name: | |
1259 | fprintf (file, "%s", symbol->name); | |
1260 | break; | |
1261 | case bfd_print_symbol_more: | |
1262 | if (ecoffsymbol (symbol)->local) | |
1263 | { | |
1264 | SYMR ecoff_sym; | |
1265 | ||
1266 | ecoff_swap_sym_in (abfd, ecoffsymbol (symbol)->native.lnative, | |
1267 | &ecoff_sym); | |
1268 | fprintf (file, "ecoff local %lx %x %x", | |
1269 | (unsigned long) ecoff_sym.value, | |
1270 | (unsigned) ecoff_sym.st, (unsigned) ecoff_sym.sc); | |
1271 | } | |
1272 | else | |
1273 | { | |
1274 | EXTR ecoff_ext; | |
1275 | ||
1276 | ecoff_swap_ext_in (abfd, ecoffsymbol (symbol)->native.enative, | |
1277 | &ecoff_ext); | |
1278 | fprintf (file, "ecoff extern %lx %x %x", | |
1279 | (unsigned long) ecoff_ext.asym.value, | |
1280 | (unsigned) ecoff_ext.asym.st, | |
1281 | (unsigned) ecoff_ext.asym.sc); | |
1282 | } | |
1283 | break; | |
1284 | case bfd_print_symbol_nm: | |
1285 | { | |
1286 | CONST char *section_name = symbol->section->name; | |
1287 | ||
1288 | bfd_print_symbol_vandf ((PTR) file, symbol); | |
1289 | fprintf (file, " %-5s %s %s", | |
1290 | section_name, | |
1291 | ecoffsymbol (symbol)->local ? "l" : "e", | |
1292 | symbol->name); | |
1293 | } | |
1294 | break; | |
1295 | case bfd_print_symbol_all: | |
1296 | /* Print out the symbols in a reasonable way */ | |
1297 | { | |
515c4292 ILT |
1298 | char type; |
1299 | int pos; | |
1300 | EXTR ecoff_ext; | |
1301 | char jmptbl; | |
1302 | char cobol_main; | |
1303 | char weakext; | |
1304 | ||
1305 | if (ecoffsymbol (symbol)->local) | |
1306 | { | |
1307 | ecoff_swap_sym_in (abfd, ecoffsymbol (symbol)->native.lnative, | |
1308 | &ecoff_ext.asym); | |
1309 | type = 'l'; | |
1310 | pos = (ecoffsymbol (symbol)->native.lnative | |
1311 | - ecoff_data (abfd)->external_sym | |
1312 | + ecoff_data (abfd)->symbolic_header.iextMax); | |
1313 | jmptbl = ' '; | |
1314 | cobol_main = ' '; | |
1315 | weakext = ' '; | |
1316 | } | |
1317 | else | |
1318 | { | |
1319 | ecoff_swap_ext_in (abfd, ecoffsymbol (symbol)->native.enative, | |
1320 | &ecoff_ext); | |
1321 | type = 'e'; | |
1322 | pos = (ecoffsymbol (symbol)->native.enative | |
1323 | - ecoff_data (abfd)->external_ext); | |
1324 | jmptbl = ecoff_ext.jmptbl ? 'j' : ' '; | |
1325 | cobol_main = ecoff_ext.cobol_main ? 'c' : ' '; | |
1326 | weakext = ecoff_ext.weakext ? 'w' : ' '; | |
1327 | } | |
1328 | ||
1329 | fprintf (file, "[%3d] %c %lx st %x sc %x indx %x %c%c%c %s", | |
1330 | pos, type, (unsigned long) ecoff_ext.asym.value, | |
1331 | (unsigned) ecoff_ext.asym.st, | |
1332 | (unsigned) ecoff_ext.asym.sc, | |
1333 | (unsigned) ecoff_ext.asym.index, | |
1334 | jmptbl, cobol_main, weakext, | |
1335 | symbol->name); | |
1336 | ||
1337 | if (ecoffsymbol (symbol)->fdr != NULL | |
1338 | && ecoff_ext.asym.index != indexNil) | |
1339 | { | |
1340 | unsigned indx; | |
1341 | int bigendian; | |
1342 | long sym_base; | |
1343 | union aux_ext *aux_base; | |
1344 | ||
1345 | indx = ecoff_ext.asym.index; | |
1346 | ||
1347 | /* sym_base is used to map the fdr relative indices which | |
1348 | appear in the file to the position number which we are | |
1349 | using. */ | |
1350 | sym_base = ecoffsymbol (symbol)->fdr->isymBase; | |
1351 | if (ecoffsymbol (symbol)->local) | |
1352 | sym_base += ecoff_data (abfd)->symbolic_header.iextMax; | |
1353 | ||
1354 | /* aux_base is the start of the aux entries for this file; | |
1355 | asym.index is an offset from this. */ | |
1356 | aux_base = (ecoff_data (abfd)->external_aux | |
1357 | + ecoffsymbol (symbol)->fdr->iauxBase); | |
1358 | ||
1359 | /* The aux entries are stored in host byte order; the | |
1360 | order is indicated by a bit in the fdr. */ | |
1361 | bigendian = ecoffsymbol (symbol)->fdr->fBigendian; | |
1362 | ||
1363 | /* This switch is basically from gcc/mips-tdump.c */ | |
1364 | switch (ecoff_ext.asym.st) | |
1365 | { | |
1366 | case stNil: | |
1367 | case stLabel: | |
1368 | break; | |
1369 | ||
1370 | case stFile: | |
1371 | case stBlock: | |
1372 | printf ("\n End+1 symbol: %ld", indx + sym_base); | |
1373 | break; | |
1374 | ||
1375 | case stEnd: | |
1376 | if (ecoff_ext.asym.sc == scText | |
1377 | || ecoff_ext.asym.sc == scInfo) | |
1378 | printf ("\n First symbol: %ld", indx + sym_base); | |
1379 | else | |
1380 | printf ("\n First symbol: %ld", | |
1381 | (AUX_GET_ISYM (bigendian, | |
1382 | &aux_base[ecoff_ext.asym.index]) | |
1383 | + sym_base)); | |
1384 | break; | |
1385 | ||
1386 | case stProc: | |
1387 | case stStaticProc: | |
1388 | if (MIPS_IS_STAB (&ecoff_ext.asym)) | |
1389 | ; | |
1390 | else if (ecoffsymbol (symbol)->local) | |
1391 | printf ("\n End+1 symbol: %-7ld Type: %s", | |
1392 | (AUX_GET_ISYM (bigendian, | |
1393 | &aux_base[ecoff_ext.asym.index]) | |
1394 | + sym_base), | |
f6409552 ILT |
1395 | ecoff_type_to_string (abfd, aux_base, indx + 1, |
1396 | bigendian)); | |
515c4292 | 1397 | else |
b6bef862 ILT |
1398 | printf ("\n Local symbol: %d", |
1399 | (indx | |
1400 | + sym_base | |
1401 | + ecoff_data (abfd)->symbolic_header.iextMax)); | |
515c4292 ILT |
1402 | break; |
1403 | ||
1404 | default: | |
1405 | if (!MIPS_IS_STAB (&ecoff_ext.asym)) | |
1406 | printf ("\n Type: %s", | |
f6409552 ILT |
1407 | ecoff_type_to_string (abfd, aux_base, indx, |
1408 | bigendian)); | |
515c4292 ILT |
1409 | break; |
1410 | } | |
1411 | } | |
1412 | } | |
1413 | break; | |
1414 | } | |
1415 | } | |
1416 | \f | |
b6bef862 ILT |
1417 | /* Reloc handling. MIPS ECOFF relocs are packed into 8 bytes in |
1418 | external form. They use a bit which indicates whether the symbol | |
1419 | is external. */ | |
1420 | ||
1421 | /* Swap a reloc in. */ | |
1422 | ||
1423 | static void | |
f6409552 ILT |
1424 | ecoff_swap_reloc_in (abfd, ext, intern) |
1425 | bfd *abfd; | |
1426 | RELOC *ext; | |
1427 | struct internal_reloc *intern; | |
b6bef862 ILT |
1428 | { |
1429 | intern->r_vaddr = bfd_h_get_32 (abfd, (bfd_byte *) ext->r_vaddr); | |
1430 | if (abfd->xvec->header_byteorder_big_p != false) | |
1431 | { | |
c3fe0c41 | 1432 | intern->r_symndx = (((int) ext->r_bits[0] |
b6bef862 | 1433 | << RELOC_BITS0_SYMNDX_SH_LEFT_BIG) |
c3fe0c41 | 1434 | | ((int) ext->r_bits[1] |
b6bef862 | 1435 | << RELOC_BITS1_SYMNDX_SH_LEFT_BIG) |
c3fe0c41 | 1436 | | ((int) ext->r_bits[2] |
b6bef862 ILT |
1437 | << RELOC_BITS2_SYMNDX_SH_LEFT_BIG)); |
1438 | intern->r_type = ((ext->r_bits[3] & RELOC_BITS3_TYPE_BIG) | |
1439 | >> RELOC_BITS3_TYPE_SH_BIG); | |
1440 | intern->r_extern = (ext->r_bits[3] & RELOC_BITS3_EXTERN_BIG) != 0; | |
1441 | } | |
1442 | else | |
1443 | { | |
c3fe0c41 | 1444 | intern->r_symndx = (((int) ext->r_bits[0] |
b6bef862 | 1445 | << RELOC_BITS0_SYMNDX_SH_LEFT_LITTLE) |
c3fe0c41 | 1446 | | ((int) ext->r_bits[1] |
b6bef862 | 1447 | << RELOC_BITS1_SYMNDX_SH_LEFT_LITTLE) |
c3fe0c41 | 1448 | | ((int) ext->r_bits[2] |
b6bef862 ILT |
1449 | << RELOC_BITS2_SYMNDX_SH_LEFT_LITTLE)); |
1450 | intern->r_type = ((ext->r_bits[3] & RELOC_BITS3_TYPE_LITTLE) | |
1451 | >> RELOC_BITS3_TYPE_SH_LITTLE); | |
1452 | intern->r_extern = (ext->r_bits[3] & RELOC_BITS3_EXTERN_LITTLE) != 0; | |
1453 | } | |
1454 | } | |
1455 | ||
1456 | /* Swap a reloc out. */ | |
1457 | ||
1458 | static unsigned int | |
f6409552 ILT |
1459 | ecoff_swap_reloc_out (abfd, src, dst) |
1460 | bfd *abfd; | |
1461 | PTR src; | |
1462 | PTR dst; | |
b6bef862 ILT |
1463 | { |
1464 | struct internal_reloc *intern = (struct internal_reloc *) src; | |
1465 | RELOC *ext = (RELOC *) dst; | |
1466 | ||
1467 | bfd_h_put_32 (abfd, intern->r_vaddr, (bfd_byte *) ext->r_vaddr); | |
1468 | if (abfd->xvec->header_byteorder_big_p != false) | |
1469 | { | |
1470 | ext->r_bits[0] = intern->r_symndx >> RELOC_BITS0_SYMNDX_SH_LEFT_BIG; | |
1471 | ext->r_bits[1] = intern->r_symndx >> RELOC_BITS1_SYMNDX_SH_LEFT_BIG; | |
1472 | ext->r_bits[2] = intern->r_symndx >> RELOC_BITS2_SYMNDX_SH_LEFT_BIG; | |
1473 | ext->r_bits[3] = (((intern->r_type << RELOC_BITS3_TYPE_SH_BIG) | |
1474 | & RELOC_BITS3_TYPE_BIG) | |
1475 | | (intern->r_extern ? RELOC_BITS3_EXTERN_BIG : 0)); | |
1476 | } | |
1477 | else | |
1478 | { | |
1479 | ext->r_bits[0] = intern->r_symndx >> RELOC_BITS0_SYMNDX_SH_LEFT_LITTLE; | |
1480 | ext->r_bits[1] = intern->r_symndx >> RELOC_BITS1_SYMNDX_SH_LEFT_LITTLE; | |
1481 | ext->r_bits[2] = intern->r_symndx >> RELOC_BITS2_SYMNDX_SH_LEFT_LITTLE; | |
1482 | ext->r_bits[3] = (((intern->r_type << RELOC_BITS3_TYPE_SH_LITTLE) | |
1483 | & RELOC_BITS3_TYPE_LITTLE) | |
1484 | | (intern->r_extern ? RELOC_BITS3_EXTERN_LITTLE : 0)); | |
1485 | } | |
1486 | ||
1487 | return RELSZ; | |
1488 | } | |
1489 | ||
bf4b84bc ILT |
1490 | /* ECOFF relocs are either against external symbols, or against |
1491 | sections. If we are producing relocateable output, and the reloc | |
1492 | is against an external symbol, the resulting reloc will also be | |
1493 | against the same symbol. In such a case, we don't want to change | |
1494 | anything about the way the reloc is handled, since it will all be | |
1495 | done at final link time. Rather than put special case code into | |
1496 | bfd_perform_relocation, all the reloc types use this howto | |
1497 | function. It just short circuits the reloc if producing | |
1498 | relocateable output against an external symbol. */ | |
1499 | ||
1500 | static bfd_reloc_status_type | |
1501 | ecoff_generic_reloc (abfd, | |
1502 | reloc_entry, | |
1503 | symbol, | |
1504 | data, | |
1505 | input_section, | |
1506 | output_bfd) | |
1507 | bfd *abfd; | |
1508 | arelent *reloc_entry; | |
1509 | asymbol *symbol; | |
1510 | PTR data; | |
1511 | asection *input_section; | |
1512 | bfd *output_bfd; | |
1513 | { | |
1514 | if (output_bfd != (bfd *) NULL | |
1515 | && (symbol->flags & BSF_SECTION_SYM) == 0) | |
1516 | { | |
1517 | reloc_entry->address += input_section->output_offset; | |
1518 | return bfd_reloc_ok; | |
1519 | } | |
1520 | ||
1521 | return bfd_reloc_continue; | |
1522 | } | |
1523 | ||
b6bef862 ILT |
1524 | /* Do a REFHI relocation. The next reloc must be the corresponding |
1525 | REFLO. This has to be done in a function so that carry is handled | |
1526 | correctly. */ | |
1527 | ||
1528 | static bfd_reloc_status_type | |
bf4b84bc ILT |
1529 | ecoff_refhi_reloc (abfd, |
1530 | reloc_entry, | |
1531 | symbol, | |
1532 | data, | |
1533 | input_section, | |
1534 | output_bfd) | |
1535 | bfd *abfd; | |
1536 | arelent *reloc_entry; | |
1537 | asymbol *symbol; | |
1538 | PTR data; | |
1539 | asection *input_section; | |
1540 | bfd *output_bfd; | |
b6bef862 ILT |
1541 | { |
1542 | bfd_reloc_status_type ret; | |
1543 | arelent *rello; | |
1544 | bfd_vma relocation; | |
b6bef862 | 1545 | unsigned long insn; |
c3fe0c41 ILT |
1546 | unsigned long val; |
1547 | unsigned long vallo; | |
b6bef862 | 1548 | |
bf4b84bc ILT |
1549 | /* If we're relocating, and this an external symbol, we don't want |
1550 | to change anything. */ | |
1551 | if (output_bfd != (bfd *) NULL | |
1552 | && (symbol->flags & BSF_SECTION_SYM) == 0) | |
1553 | { | |
1554 | reloc_entry->address += input_section->output_offset; | |
1555 | return bfd_reloc_ok; | |
1556 | } | |
1557 | ||
b6bef862 ILT |
1558 | ret = bfd_reloc_ok; |
1559 | if (symbol->section == &bfd_und_section | |
1560 | && output_bfd == (bfd *) NULL) | |
1561 | ret = bfd_reloc_undefined; | |
1562 | ||
1563 | rello = reloc_entry + 1; | |
1564 | BFD_ASSERT (rello->howto->type == ECOFF_R_REFLO | |
1565 | && *rello->sym_ptr_ptr == *reloc_entry->sym_ptr_ptr); | |
1566 | ||
382f2a3d | 1567 | if (bfd_is_com_section (symbol->section)) |
b6bef862 ILT |
1568 | relocation = 0; |
1569 | else | |
1570 | relocation = symbol->value; | |
1571 | ||
bf4b84bc ILT |
1572 | relocation += symbol->section->output_section->vma; |
1573 | relocation += symbol->section->output_offset; | |
c3fe0c41 | 1574 | relocation += reloc_entry->addend; |
b6bef862 ILT |
1575 | |
1576 | if (reloc_entry->address > input_section->_cooked_size) | |
1577 | return bfd_reloc_outofrange; | |
1578 | ||
b6bef862 | 1579 | insn = bfd_get_32 (abfd, (bfd_byte *) data + reloc_entry->address); |
c3fe0c41 ILT |
1580 | vallo = bfd_get_32 (abfd, (bfd_byte *) data + rello->address) & 0xffff; |
1581 | val = ((insn & 0xffff) << 16) + vallo; | |
1582 | val += relocation; | |
1583 | ||
1584 | /* The low order 16 bits are always treated as a signed value. | |
1585 | Therefore, a negative value in the low order bits requires an | |
1586 | adjustment in the high order bits. We need to make this | |
1587 | adjustment in two ways: once for the bits we took from the data, | |
1588 | and once for the bits we are putting back in to the data. */ | |
1589 | if ((vallo & 0x8000) != 0) | |
1590 | val -= 0x10000; | |
1591 | if ((val & 0x8000) != 0) | |
1592 | val += 0x10000; | |
1593 | ||
1594 | insn = (insn &~ 0xffff) | ((val >> 16) & 0xffff); | |
b6bef862 ILT |
1595 | bfd_put_32 (abfd, insn, (bfd_byte *) data + reloc_entry->address); |
1596 | ||
c3fe0c41 ILT |
1597 | if (output_bfd != (bfd *) NULL) |
1598 | reloc_entry->address += input_section->output_offset; | |
1599 | ||
b6bef862 ILT |
1600 | return ret; |
1601 | } | |
1602 | ||
1603 | /* Do a GPREL relocation. This is a 16 bit value which must become | |
1604 | the offset from the gp register. */ | |
1605 | ||
1606 | static bfd_reloc_status_type | |
bf4b84bc ILT |
1607 | ecoff_gprel_reloc (abfd, |
1608 | reloc_entry, | |
1609 | symbol, | |
1610 | data, | |
1611 | input_section, | |
1612 | output_bfd) | |
1613 | bfd *abfd; | |
1614 | arelent *reloc_entry; | |
1615 | asymbol *symbol; | |
1616 | PTR data; | |
1617 | asection *input_section; | |
1618 | bfd *output_bfd; | |
b6bef862 | 1619 | { |
c3fe0c41 | 1620 | boolean relocateable; |
b6bef862 ILT |
1621 | bfd_vma relocation; |
1622 | unsigned long val; | |
1623 | unsigned long insn; | |
1624 | ||
bf4b84bc ILT |
1625 | /* If we're relocating, and this an external symbol, we don't want |
1626 | to change anything. */ | |
1627 | if (output_bfd != (bfd *) NULL | |
1628 | && (symbol->flags & BSF_SECTION_SYM) == 0) | |
1629 | { | |
1630 | reloc_entry->address += input_section->output_offset; | |
1631 | return bfd_reloc_ok; | |
1632 | } | |
1633 | ||
b6bef862 | 1634 | if (output_bfd != (bfd *) NULL) |
c3fe0c41 ILT |
1635 | relocateable = true; |
1636 | else | |
1637 | { | |
1638 | relocateable = false; | |
1639 | output_bfd = symbol->section->output_section->owner; | |
1640 | } | |
b6bef862 | 1641 | |
c3fe0c41 ILT |
1642 | if (symbol->section == &bfd_und_section |
1643 | && relocateable == false) | |
1644 | return bfd_reloc_undefined; | |
b6bef862 | 1645 | |
c3fe0c41 ILT |
1646 | /* We have to figure out the gp value, so that we can adjust the |
1647 | symbol value correctly. We look up the symbol _gp in the output | |
1648 | BFD. If we can't find it, we're stuck. We cache it in the ECOFF | |
1649 | target data. */ | |
b6bef862 ILT |
1650 | if (ecoff_data (output_bfd)->gp == 0) |
1651 | { | |
bf4b84bc | 1652 | if (relocateable != false) |
c3fe0c41 ILT |
1653 | { |
1654 | /* Make up a value. */ | |
1655 | ecoff_data (output_bfd)->gp = | |
1656 | symbol->section->output_section->vma + 0x4000; | |
1657 | } | |
1658 | else | |
1659 | { | |
1660 | unsigned int count; | |
1661 | asymbol **sym; | |
1662 | unsigned int i; | |
b6bef862 | 1663 | |
c3fe0c41 ILT |
1664 | count = bfd_get_symcount (output_bfd); |
1665 | sym = bfd_get_outsymbols (output_bfd); | |
b6bef862 | 1666 | |
c3fe0c41 ILT |
1667 | /* We should do something more friendly here, but we don't |
1668 | have a good reloc status to return. */ | |
1669 | if (sym == (asymbol **) NULL) | |
1670 | abort (); | |
b6bef862 | 1671 | |
c3fe0c41 | 1672 | for (i = 0; i < count; i++, sym++) |
b6bef862 | 1673 | { |
c3fe0c41 ILT |
1674 | register CONST char *name; |
1675 | ||
1676 | name = bfd_asymbol_name (*sym); | |
1677 | if (*name == '_' && strcmp (name, "_gp") == 0) | |
1678 | { | |
1679 | ecoff_data (output_bfd)->gp = bfd_asymbol_value (*sym); | |
1680 | break; | |
1681 | } | |
b6bef862 | 1682 | } |
b6bef862 | 1683 | |
c3fe0c41 ILT |
1684 | /* We should do something more friendly here, but we don't have |
1685 | a good reloc status to return. */ | |
1686 | if (i >= count) | |
1687 | abort (); | |
1688 | } | |
b6bef862 ILT |
1689 | } |
1690 | ||
382f2a3d | 1691 | if (bfd_is_com_section (symbol->section)) |
b6bef862 ILT |
1692 | relocation = 0; |
1693 | else | |
1694 | relocation = symbol->value; | |
1695 | ||
1696 | relocation += symbol->section->output_section->vma; | |
1697 | relocation += symbol->section->output_offset; | |
1698 | ||
1699 | if (reloc_entry->address > input_section->_cooked_size) | |
1700 | return bfd_reloc_outofrange; | |
1701 | ||
1702 | insn = bfd_get_32 (abfd, (bfd_byte *) data + reloc_entry->address); | |
c3fe0c41 ILT |
1703 | |
1704 | /* Set val to the offset into the section (if we are relocating | |
1705 | against an external symbol, insn & 0xffff will be zero and so | |
1706 | will reloc_entry->addend). */ | |
1707 | val = ((insn & 0xffff) + reloc_entry->addend) & 0xffff; | |
1708 | if (val & 0x8000) | |
b6bef862 | 1709 | val -= 0x10000; |
c3fe0c41 ILT |
1710 | |
1711 | /* Adjust val for the final section location and GP value. */ | |
1712 | val += (relocation - ecoff_data (output_bfd)->gp); | |
1713 | ||
b6bef862 ILT |
1714 | insn = (insn &~ 0xffff) | (val & 0xffff); |
1715 | bfd_put_32 (abfd, insn, (bfd_byte *) data + reloc_entry->address); | |
1716 | ||
bf4b84bc | 1717 | if (relocateable != false) |
c3fe0c41 ILT |
1718 | reloc_entry->address += input_section->output_offset; |
1719 | ||
1720 | /* Make sure it fit in 16 bits. */ | |
1721 | if (val >= 0x8000 && val < 0xffff8000) | |
1722 | return bfd_reloc_outofrange; | |
1723 | ||
1724 | return bfd_reloc_ok; | |
b6bef862 ILT |
1725 | } |
1726 | ||
1727 | /* How to process the various relocs types. */ | |
1728 | ||
1729 | static reloc_howto_type ecoff_howto_table[] = | |
1730 | { | |
1731 | /* Reloc type 0 is ignored. The reloc reading code ensures that | |
1732 | this is a reference to the .abs section, which will cause | |
1733 | bfd_perform_relocation to do nothing. */ | |
1734 | HOWTO (ECOFF_R_IGNORE, /* type */ | |
1735 | 0, /* rightshift */ | |
1736 | 0, /* size (0 = byte, 1 = short, 2 = long) */ | |
1737 | 8, /* bitsize (obsolete) */ | |
1738 | false, /* pc_relative */ | |
1739 | 0, /* bitpos */ | |
1740 | false, /* absolute (obsolete) */ | |
1741 | false, /* complain_on_overflow */ | |
1742 | 0, /* special_function */ | |
1743 | "IGNORE", /* name */ | |
1744 | false, /* partial_inplace */ | |
1745 | 0, /* src_mask */ | |
1746 | 0, /* dst_mask */ | |
1747 | false), /* pcrel_offset */ | |
1748 | ||
1749 | /* A 16 bit reference to a symbol, normally from a data section. */ | |
1750 | HOWTO (ECOFF_R_REFHALF, /* type */ | |
1751 | 0, /* rightshift */ | |
1752 | 1, /* size (0 = byte, 1 = short, 2 = long) */ | |
1753 | 16, /* bitsize (obsolete) */ | |
1754 | false, /* pc_relative */ | |
1755 | 0, /* bitpos */ | |
1756 | false, /* absolute (obsolete) */ | |
1757 | true, /* complain_on_overflow */ | |
bf4b84bc | 1758 | ecoff_generic_reloc, /* special_function */ |
b6bef862 ILT |
1759 | "REFHALF", /* name */ |
1760 | true, /* partial_inplace */ | |
1761 | 0xffff, /* src_mask */ | |
1762 | 0xffff, /* dst_mask */ | |
1763 | false), /* pcrel_offset */ | |
1764 | ||
1765 | /* A 32 bit reference to a symbol, normally from a data section. */ | |
1766 | HOWTO (ECOFF_R_REFWORD, /* type */ | |
1767 | 0, /* rightshift */ | |
1768 | 2, /* size (0 = byte, 1 = short, 2 = long) */ | |
1769 | 32, /* bitsize (obsolete) */ | |
1770 | false, /* pc_relative */ | |
1771 | 0, /* bitpos */ | |
1772 | false, /* absolute (obsolete) */ | |
1773 | true, /* complain_on_overflow */ | |
bf4b84bc | 1774 | ecoff_generic_reloc, /* special_function */ |
b6bef862 ILT |
1775 | "REFWORD", /* name */ |
1776 | true, /* partial_inplace */ | |
1777 | 0xffffffff, /* src_mask */ | |
1778 | 0xffffffff, /* dst_mask */ | |
1779 | false), /* pcrel_offset */ | |
1780 | ||
1781 | /* A 26 bit absolute jump address. */ | |
1782 | HOWTO (ECOFF_R_JMPADDR, /* type */ | |
1783 | 2, /* rightshift */ | |
1784 | 2, /* size (0 = byte, 1 = short, 2 = long) */ | |
1785 | 32, /* bitsize (obsolete) */ | |
1786 | false, /* pc_relative */ | |
1787 | 0, /* bitpos */ | |
1788 | false, /* absolute (obsolete) */ | |
1789 | true, /* complain_on_overflow */ | |
bf4b84bc | 1790 | ecoff_generic_reloc, /* special_function */ |
b6bef862 ILT |
1791 | "JMPADDR", /* name */ |
1792 | true, /* partial_inplace */ | |
1793 | 0x3ffffff, /* src_mask */ | |
1794 | 0x3ffffff, /* dst_mask */ | |
1795 | false), /* pcrel_offset */ | |
1796 | ||
1797 | /* The high 16 bits of a symbol value. Handled by the function | |
1798 | ecoff_refhi_reloc. */ | |
1799 | HOWTO (ECOFF_R_REFHI, /* type */ | |
1800 | 16, /* rightshift */ | |
1801 | 2, /* size (0 = byte, 1 = short, 2 = long) */ | |
1802 | 32, /* bitsize (obsolete) */ | |
1803 | false, /* pc_relative */ | |
1804 | 0, /* bitpos */ | |
1805 | false, /* absolute (obsolete) */ | |
1806 | true, /* complain_on_overflow */ | |
1807 | ecoff_refhi_reloc, /* special_function */ | |
1808 | "REFHI", /* name */ | |
1809 | true, /* partial_inplace */ | |
1810 | 0xffff, /* src_mask */ | |
1811 | 0xffff, /* dst_mask */ | |
1812 | false), /* pcrel_offset */ | |
1813 | ||
1814 | /* The low 16 bits of a symbol value. */ | |
1815 | HOWTO (ECOFF_R_REFLO, /* type */ | |
1816 | 0, /* rightshift */ | |
1817 | 2, /* size (0 = byte, 1 = short, 2 = long) */ | |
1818 | 32, /* bitsize (obsolete) */ | |
1819 | false, /* pc_relative */ | |
1820 | 0, /* bitpos */ | |
1821 | false, /* absolute (obsolete) */ | |
1822 | true, /* complain_on_overflow */ | |
bf4b84bc | 1823 | ecoff_generic_reloc, /* special_function */ |
b6bef862 ILT |
1824 | "REFLO", /* name */ |
1825 | true, /* partial_inplace */ | |
1826 | 0xffff, /* src_mask */ | |
1827 | 0xffff, /* dst_mask */ | |
1828 | false), /* pcrel_offset */ | |
1829 | ||
1830 | /* A reference to an offset from the gp register. Handled by the | |
1831 | function ecoff_gprel_reloc. */ | |
1832 | HOWTO (ECOFF_R_GPREL, /* type */ | |
1833 | 0, /* rightshift */ | |
1834 | 2, /* size (0 = byte, 1 = short, 2 = long) */ | |
1835 | 32, /* bitsize (obsolete) */ | |
1836 | false, /* pc_relative */ | |
1837 | 0, /* bitpos */ | |
1838 | false, /* absolute (obsolete) */ | |
1839 | true, /* complain_on_overflow */ | |
1840 | ecoff_gprel_reloc, /* special_function */ | |
1841 | "GPREL", /* name */ | |
1842 | true, /* partial_inplace */ | |
1843 | 0xffff, /* src_mask */ | |
1844 | 0xffff, /* dst_mask */ | |
1845 | false), /* pcrel_offset */ | |
1846 | ||
1847 | /* A reference to a literal using an offset from the gp register. | |
1848 | Handled by the function ecoff_gprel_reloc. */ | |
1849 | HOWTO (ECOFF_R_LITERAL, /* type */ | |
1850 | 0, /* rightshift */ | |
1851 | 2, /* size (0 = byte, 1 = short, 2 = long) */ | |
1852 | 32, /* bitsize (obsolete) */ | |
1853 | false, /* pc_relative */ | |
1854 | 0, /* bitpos */ | |
1855 | false, /* absolute (obsolete) */ | |
1856 | true, /* complain_on_overflow */ | |
1857 | ecoff_gprel_reloc, /* special_function */ | |
1858 | "LITERAL", /* name */ | |
1859 | true, /* partial_inplace */ | |
1860 | 0xffff, /* src_mask */ | |
1861 | 0xffff, /* dst_mask */ | |
1862 | false) /* pcrel_offset */ | |
1863 | }; | |
1864 | ||
1865 | /* Read in the relocs for a section. */ | |
1866 | ||
1867 | static boolean | |
f6409552 ILT |
1868 | ecoff_slurp_reloc_table (abfd, section, symbols) |
1869 | bfd *abfd; | |
1870 | asection *section; | |
1871 | asymbol **symbols; | |
b6bef862 ILT |
1872 | { |
1873 | RELOC *external_relocs; | |
1874 | arelent *internal_relocs; | |
1875 | arelent *rptr; | |
1876 | unsigned int i; | |
1877 | ||
1878 | if (section->relocation != (arelent *) NULL | |
1879 | || section->reloc_count == 0 | |
1880 | || (section->flags & SEC_CONSTRUCTOR) != 0) | |
1881 | return true; | |
1882 | ||
1883 | if (ecoff_slurp_symbol_table (abfd) == false) | |
1884 | return false; | |
1885 | ||
1886 | internal_relocs = (arelent *) bfd_alloc (abfd, | |
1887 | (sizeof (arelent) | |
1888 | * section->reloc_count)); | |
1889 | external_relocs = (RELOC *) bfd_alloc (abfd, RELSZ * section->reloc_count); | |
1890 | if (internal_relocs == (arelent *) NULL | |
1891 | || external_relocs == (RELOC *) NULL) | |
1892 | { | |
1893 | bfd_error = no_memory; | |
1894 | return false; | |
1895 | } | |
1896 | if (bfd_seek (abfd, section->rel_filepos, SEEK_SET) != 0) | |
1897 | return false; | |
1898 | if (bfd_read (external_relocs, 1, RELSZ * section->reloc_count, abfd) | |
1899 | != RELSZ * section->reloc_count) | |
1900 | { | |
1901 | bfd_error = system_call_error; | |
1902 | return false; | |
1903 | } | |
1904 | ||
1905 | for (i = 0, rptr = internal_relocs; i < section->reloc_count; i++, rptr++) | |
1906 | { | |
1907 | struct internal_reloc intern; | |
1908 | ||
1909 | ecoff_swap_reloc_in (abfd, external_relocs + i, &intern); | |
1910 | ||
c3fe0c41 | 1911 | if (intern.r_type > ECOFF_R_LITERAL) |
b6bef862 ILT |
1912 | abort (); |
1913 | ||
1914 | if (intern.r_extern) | |
1915 | { | |
1916 | /* r_symndx is an index into the external symbols. */ | |
1917 | BFD_ASSERT (intern.r_symndx >= 0 | |
1918 | && (intern.r_symndx | |
1919 | < ecoff_data (abfd)->symbolic_header.iextMax)); | |
1920 | rptr->sym_ptr_ptr = symbols + intern.r_symndx; | |
c3fe0c41 | 1921 | rptr->addend = 0; |
b6bef862 ILT |
1922 | } |
1923 | else | |
1924 | { | |
1925 | CONST char *sec_name; | |
1926 | asection *sec; | |
1927 | ||
1928 | /* r_symndx is a section key. */ | |
1929 | switch (intern.r_symndx) | |
1930 | { | |
1931 | case RELOC_SECTION_TEXT: sec_name = ".text"; break; | |
1932 | case RELOC_SECTION_RDATA: sec_name = ".rdata"; break; | |
1933 | case RELOC_SECTION_DATA: sec_name = ".data"; break; | |
1934 | case RELOC_SECTION_SDATA: sec_name = ".sdata"; break; | |
1935 | case RELOC_SECTION_SBSS: sec_name = ".sbss"; break; | |
1936 | case RELOC_SECTION_BSS: sec_name = ".bss"; break; | |
1937 | case RELOC_SECTION_INIT: sec_name = ".init"; break; | |
1938 | case RELOC_SECTION_LIT8: sec_name = ".lit8"; break; | |
1939 | case RELOC_SECTION_LIT4: sec_name = ".lit4"; break; | |
1940 | default: abort (); | |
1941 | } | |
1942 | ||
1943 | sec = bfd_get_section_by_name (abfd, sec_name); | |
1944 | if (sec == (asection *) NULL) | |
1945 | abort (); | |
1946 | rptr->sym_ptr_ptr = sec->symbol_ptr_ptr; | |
c3fe0c41 ILT |
1947 | |
1948 | rptr->addend = - bfd_get_section_vma (abfd, sec); | |
1949 | if (intern.r_type == ECOFF_R_GPREL | |
1950 | || intern.r_type == ECOFF_R_LITERAL) | |
1951 | rptr->addend += ecoff_data (abfd)->gp; | |
b6bef862 ILT |
1952 | } |
1953 | ||
1954 | rptr->address = intern.r_vaddr - bfd_get_section_vma (abfd, section); | |
b6bef862 ILT |
1955 | rptr->howto = &ecoff_howto_table[intern.r_type]; |
1956 | ||
1957 | /* If the type is ECOFF_R_IGNORE, make sure this is a reference | |
1958 | to the absolute section so that the reloc is ignored. */ | |
1959 | if (intern.r_type == ECOFF_R_IGNORE) | |
1960 | rptr->sym_ptr_ptr = bfd_abs_section.symbol_ptr_ptr; | |
1961 | } | |
1962 | ||
1963 | bfd_release (abfd, external_relocs); | |
1964 | ||
1965 | section->relocation = internal_relocs; | |
1966 | ||
1967 | return true; | |
1968 | } | |
1969 | ||
1970 | /* Get a canonical list of relocs. */ | |
1971 | ||
1972 | static unsigned int | |
f6409552 ILT |
1973 | ecoff_canonicalize_reloc (abfd, section, relptr, symbols) |
1974 | bfd *abfd; | |
1975 | asection *section; | |
1976 | arelent **relptr; | |
1977 | asymbol **symbols; | |
b6bef862 ILT |
1978 | { |
1979 | unsigned int count; | |
1980 | ||
1981 | if (section->flags & SEC_CONSTRUCTOR) | |
1982 | { | |
1983 | arelent_chain *chain; | |
1984 | ||
1985 | /* This section has relocs made up by us, not the file, so take | |
1986 | them out of their chain and place them into the data area | |
1987 | provided. */ | |
1988 | for (count = 0, chain = section->constructor_chain; | |
1989 | count < section->reloc_count; | |
1990 | count++, chain = chain->next) | |
1991 | *relptr++ = &chain->relent; | |
1992 | } | |
bf4b84bc | 1993 | else |
b6bef862 ILT |
1994 | { |
1995 | arelent *tblptr; | |
1996 | ||
1997 | if (ecoff_slurp_reloc_table (abfd, section, symbols) == false) | |
1998 | return 0; | |
1999 | ||
2000 | tblptr = section->relocation; | |
2001 | if (tblptr == (arelent *) NULL) | |
2002 | return 0; | |
2003 | ||
2004 | for (count = 0; count < section->reloc_count; count++) | |
2005 | *relptr++ = tblptr++; | |
2006 | } | |
2007 | ||
2008 | *relptr = (arelent *) NULL; | |
2009 | ||
2010 | return section->reloc_count; | |
2011 | } | |
2012 | \f | |
515c4292 ILT |
2013 | /* Provided a BFD, a section and an offset into the section, calculate |
2014 | and return the name of the source file and the line nearest to the | |
2015 | wanted location. */ | |
2016 | ||
2017 | static boolean | |
f6409552 ILT |
2018 | ecoff_find_nearest_line (abfd, |
2019 | section, | |
2020 | ignore_symbols, | |
2021 | offset, | |
2022 | filename_ptr, | |
2023 | functionname_ptr, | |
2024 | retline_ptr) | |
2025 | bfd *abfd; | |
2026 | asection *section; | |
2027 | asymbol **ignore_symbols; | |
2028 | bfd_vma offset; | |
2029 | CONST char **filename_ptr; | |
2030 | CONST char **functionname_ptr; | |
2031 | unsigned int *retline_ptr; | |
515c4292 ILT |
2032 | { |
2033 | FDR *fdr_ptr; | |
2034 | FDR *fdr_start; | |
2035 | FDR *fdr_end; | |
2036 | FDR *fdr_hold; | |
2037 | struct pdr_ext *pdr_ptr; | |
2038 | struct pdr_ext *pdr_end; | |
2039 | PDR pdr; | |
2040 | unsigned char *line_ptr; | |
2041 | unsigned char *line_end; | |
2042 | int lineno; | |
515c4292 ILT |
2043 | |
2044 | /* If we're not in the .text section, we don't have any line | |
2045 | numbers. */ | |
6d18a99d ILT |
2046 | if (strcmp (section->name, _TEXT) != 0 |
2047 | || offset < ecoff_data (abfd)->text_start | |
2048 | || offset >= ecoff_data (abfd)->text_end) | |
515c4292 ILT |
2049 | return false; |
2050 | ||
8fa0d3a0 ILT |
2051 | /* Make sure we have the FDR's. */ |
2052 | if (ecoff_slurp_symbolic_info (abfd) == false | |
2053 | || bfd_get_symcount (abfd) == 0) | |
2054 | return false; | |
2055 | ||
515c4292 ILT |
2056 | /* Each file descriptor (FDR) has a memory address. Here we track |
2057 | down which FDR we want. The FDR's are stored in increasing | |
2058 | memory order. If speed is ever important, this can become a | |
2059 | binary search. We must ignore FDR's with no PDR entries; they | |
2060 | will have the adr of the FDR before or after them. */ | |
2061 | fdr_start = ecoff_data (abfd)->fdr; | |
2062 | fdr_end = fdr_start + ecoff_data (abfd)->symbolic_header.ifdMax; | |
2063 | fdr_hold = (FDR *) NULL; | |
2064 | for (fdr_ptr = fdr_start; fdr_ptr < fdr_end; fdr_ptr++) | |
2065 | { | |
6d18a99d ILT |
2066 | if (fdr_ptr->cpd == 0) |
2067 | continue; | |
515c4292 ILT |
2068 | if (offset < fdr_ptr->adr) |
2069 | break; | |
6d18a99d | 2070 | fdr_hold = fdr_ptr; |
515c4292 ILT |
2071 | } |
2072 | if (fdr_hold == (FDR *) NULL) | |
2073 | return false; | |
2074 | fdr_ptr = fdr_hold; | |
2075 | ||
2076 | /* Each FDR has a list of procedure descriptors (PDR). PDR's also | |
2077 | have an address, which is relative to the FDR address, and are | |
2078 | also stored in increasing memory order. */ | |
2079 | offset -= fdr_ptr->adr; | |
2080 | pdr_ptr = ecoff_data (abfd)->external_pdr + fdr_ptr->ipdFirst; | |
2081 | pdr_end = pdr_ptr + fdr_ptr->cpd; | |
2082 | ecoff_swap_pdr_in (abfd, pdr_ptr, &pdr); | |
2083 | if (offset < pdr.adr) | |
2084 | return false; | |
2085 | for (pdr_ptr++; pdr_ptr < pdr_end; pdr_ptr++) | |
2086 | { | |
2087 | ecoff_swap_pdr_in (abfd, pdr_ptr, &pdr); | |
2088 | if (offset < pdr.adr) | |
2089 | break; | |
2090 | } | |
2091 | ||
2092 | /* Now we can look for the actual line number. The line numbers are | |
2093 | stored in a very funky format, which I won't try to describe. | |
2094 | Note that right here pdr_ptr and pdr hold the PDR *after* the one | |
2095 | we want; we need this to compute line_end. */ | |
2096 | line_end = ecoff_data (abfd)->line; | |
2097 | if (pdr_ptr == pdr_end) | |
2098 | line_end += fdr_ptr->cbLineOffset + fdr_ptr->cbLine; | |
2099 | else | |
2100 | line_end += fdr_ptr->cbLineOffset + pdr.cbLineOffset; | |
2101 | ||
2102 | /* Now change pdr and pdr_ptr to the one we want. */ | |
2103 | pdr_ptr--; | |
2104 | ecoff_swap_pdr_in (abfd, pdr_ptr, &pdr); | |
2105 | ||
2106 | offset -= pdr.adr; | |
2107 | lineno = pdr.lnLow; | |
2108 | line_ptr = (ecoff_data (abfd)->line | |
2109 | + fdr_ptr->cbLineOffset | |
2110 | + pdr.cbLineOffset); | |
2111 | while (line_ptr < line_end) | |
2112 | { | |
2113 | int delta; | |
2114 | int count; | |
2115 | ||
2116 | delta = *line_ptr >> 4; | |
2117 | if (delta >= 0x8) | |
2118 | delta -= 0x10; | |
2119 | count = (*line_ptr & 0xf) + 1; | |
2120 | ++line_ptr; | |
2121 | if (delta == -8) | |
2122 | { | |
2123 | delta = (((line_ptr[0]) & 0xff) << 8) + ((line_ptr[1]) & 0xff); | |
2124 | if (delta >= 0x8000) | |
2125 | delta -= 0x10000; | |
2126 | line_ptr += 2; | |
2127 | } | |
2128 | lineno += delta; | |
2129 | if (offset < count * 4) | |
2130 | break; | |
2131 | offset -= count * 4; | |
2132 | } | |
2133 | ||
bf4b84bc ILT |
2134 | /* If fdr_ptr->rss is -1, then this file does not have full symbols, |
2135 | at least according to gdb/mipsread.c. */ | |
2136 | if (fdr_ptr->rss == -1) | |
2137 | { | |
2138 | *filename_ptr = NULL; | |
2139 | if (pdr.isym == -1) | |
2140 | *functionname_ptr = NULL; | |
2141 | else | |
2142 | { | |
2143 | EXTR proc_ext; | |
2144 | ||
2145 | ecoff_swap_ext_in (abfd, | |
2146 | (ecoff_data (abfd)->external_ext | |
2147 | + pdr.isym), | |
2148 | &proc_ext); | |
2149 | *functionname_ptr = ecoff_data (abfd)->ssext + proc_ext.asym.iss; | |
2150 | } | |
2151 | } | |
2152 | else | |
2153 | { | |
2154 | SYMR proc_sym; | |
2155 | ||
2156 | *filename_ptr = ecoff_data (abfd)->ss + fdr_ptr->issBase + fdr_ptr->rss; | |
2157 | ecoff_swap_sym_in (abfd, | |
2158 | (ecoff_data (abfd)->external_sym | |
2159 | + fdr_ptr->isymBase | |
2160 | + pdr.isym), | |
2161 | &proc_sym); | |
2162 | *functionname_ptr = (ecoff_data (abfd)->ss | |
2163 | + fdr_ptr->issBase | |
2164 | + proc_sym.iss); | |
2165 | } | |
515c4292 ILT |
2166 | *retline_ptr = lineno; |
2167 | return true; | |
2168 | } | |
2169 | \f | |
8fa0d3a0 ILT |
2170 | /* We can't use the generic linking routines for ECOFF, because we |
2171 | have to handle all the debugging information. The generic link | |
2172 | routine just works out the section contents and attaches a list of | |
2173 | symbols. | |
2174 | ||
2175 | We link by looping over all the seclets. We make two passes. On | |
2176 | the first we set the actual section contents and determine the size | |
2177 | of the debugging information. On the second we accumulate the | |
2178 | debugging information and write it out. | |
2179 | ||
2180 | This currently always accumulates the debugging information, which | |
2181 | is incorrect, because it ignores the -s and -S options of the | |
2182 | linker. The linker needs to be modified to give us that | |
2183 | information in a more useful format (currently it just provides a | |
2184 | list of symbols which should appear in the output file). */ | |
2185 | ||
2186 | /* Clear the output_has_begun flag for all the input BFD's. We use it | |
2187 | to avoid linking in the debugging information for a BFD more than | |
2188 | once. */ | |
2189 | ||
2190 | static void | |
f6409552 ILT |
2191 | ecoff_clear_output_flags (abfd) |
2192 | bfd *abfd; | |
8fa0d3a0 ILT |
2193 | { |
2194 | register asection *o; | |
2195 | register bfd_seclet_type *p; | |
2196 | ||
2197 | for (o = abfd->sections; o != (asection *) NULL; o = o->next) | |
2198 | for (p = o->seclets_head; | |
2199 | p != (bfd_seclet_type *) NULL; | |
2200 | p = p->next) | |
2201 | if (p->type == bfd_indirect_seclet) | |
2202 | p->u.indirect.section->owner->output_has_begun = false; | |
2203 | } | |
2204 | ||
2205 | /* Handle an indirect seclet on the first pass. Set the contents of | |
2206 | the output section, and accumulate the debugging information if | |
2207 | any. */ | |
2208 | ||
2209 | static boolean | |
f6409552 ILT |
2210 | ecoff_rel (output_bfd, seclet, output_section, data, relocateable) |
2211 | bfd *output_bfd; | |
2212 | bfd_seclet_type *seclet; | |
2213 | asection *output_section; | |
2214 | PTR data; | |
2215 | boolean relocateable; | |
8fa0d3a0 ILT |
2216 | { |
2217 | bfd *input_bfd; | |
2218 | HDRR *output_symhdr; | |
2219 | HDRR *input_symhdr; | |
2220 | ||
2221 | if ((output_section->flags & SEC_HAS_CONTENTS) | |
2222 | && !(output_section->flags & SEC_NEVER_LOAD) | |
2223 | && (output_section->flags & SEC_LOAD) | |
2224 | && seclet->size) | |
2225 | { | |
2226 | data = (PTR) bfd_get_relocated_section_contents (output_bfd, | |
2227 | seclet, | |
2228 | data, | |
2229 | relocateable); | |
2230 | if (bfd_set_section_contents (output_bfd, | |
2231 | output_section, | |
2232 | data, | |
2233 | seclet->offset, | |
2234 | seclet->size) | |
2235 | == false) | |
2236 | { | |
2237 | abort(); | |
2238 | } | |
2239 | } | |
2240 | ||
2241 | input_bfd = seclet->u.indirect.section->owner; | |
2242 | ||
2243 | /* We want to figure out how much space will be required to | |
2244 | incorporate all the debugging information from input_bfd. We use | |
2245 | the output_has_begun field to avoid adding it in more than once. | |
2246 | The actual incorporation is done in the second pass, in | |
2247 | ecoff_get_debug. The code has to parallel that code in its | |
2248 | manipulations of output_symhdr. */ | |
2249 | ||
2250 | if (input_bfd->output_has_begun) | |
2251 | return true; | |
2252 | input_bfd->output_has_begun = true; | |
2253 | ||
2254 | output_symhdr = &ecoff_data (output_bfd)->symbolic_header; | |
2255 | ||
2256 | if (input_bfd->xvec->flavour != bfd_target_ecoff_flavour) | |
2257 | { | |
2258 | asymbol **symbols; | |
2259 | asymbol **sym_ptr; | |
2260 | asymbol **sym_end; | |
2261 | ||
c3fe0c41 ILT |
2262 | /* We just accumulate local symbols from a non-ECOFF BFD. The |
2263 | external symbols are handled separately. */ | |
8fa0d3a0 ILT |
2264 | |
2265 | symbols = (asymbol **) bfd_alloc (output_bfd, | |
2266 | get_symtab_upper_bound (input_bfd)); | |
2267 | if (symbols == (asymbol **) NULL) | |
2268 | { | |
2269 | bfd_error = no_memory; | |
2270 | return false; | |
2271 | } | |
2272 | sym_end = symbols + bfd_canonicalize_symtab (input_bfd, symbols); | |
2273 | ||
2274 | for (sym_ptr = symbols; sym_ptr < sym_end; sym_ptr++) | |
2275 | { | |
2276 | size_t len; | |
2277 | ||
2278 | len = strlen ((*sym_ptr)->name); | |
2279 | if (((*sym_ptr)->flags & BSF_EXPORT) == 0) | |
2280 | { | |
2281 | ++output_symhdr->isymMax; | |
2282 | output_symhdr->issMax += len + 1; | |
2283 | } | |
8fa0d3a0 ILT |
2284 | } |
2285 | ||
2286 | bfd_release (output_bfd, (PTR) symbols); | |
2287 | ||
2288 | ++output_symhdr->ifdMax; | |
2289 | ||
2290 | return true; | |
2291 | } | |
2292 | ||
2293 | /* We simply add in the information from another ECOFF BFD. First | |
2294 | we make sure we have the symbolic information. */ | |
c3fe0c41 | 2295 | if (ecoff_slurp_symbol_table (input_bfd) == false) |
8fa0d3a0 ILT |
2296 | return false; |
2297 | if (bfd_get_symcount (input_bfd) == 0) | |
2298 | return true; | |
2299 | ||
2300 | input_symhdr = &ecoff_data (input_bfd)->symbolic_header; | |
2301 | ||
c3fe0c41 ILT |
2302 | /* Figure out how much information we are going to be putting in. |
2303 | The external symbols are handled separately. */ | |
8fa0d3a0 ILT |
2304 | output_symhdr->ilineMax += input_symhdr->ilineMax; |
2305 | output_symhdr->cbLine += input_symhdr->cbLine; | |
2306 | output_symhdr->idnMax += input_symhdr->idnMax; | |
2307 | output_symhdr->ipdMax += input_symhdr->ipdMax; | |
2308 | output_symhdr->isymMax += input_symhdr->isymMax; | |
2309 | output_symhdr->ioptMax += input_symhdr->ioptMax; | |
2310 | output_symhdr->iauxMax += input_symhdr->iauxMax; | |
2311 | output_symhdr->issMax += input_symhdr->issMax; | |
8fa0d3a0 | 2312 | output_symhdr->ifdMax += input_symhdr->ifdMax; |
8fa0d3a0 ILT |
2313 | |
2314 | /* The RFD's are special, since we create them if needed. */ | |
2315 | if (input_symhdr->crfd > 0) | |
2316 | output_symhdr->crfd += input_symhdr->crfd; | |
2317 | else | |
2318 | output_symhdr->crfd += input_symhdr->ifdMax; | |
2319 | ||
2320 | return true; | |
2321 | } | |
2322 | ||
2323 | /* Handle an arbitrary seclet on the first pass. */ | |
2324 | ||
2325 | static boolean | |
f6409552 ILT |
2326 | ecoff_dump_seclet (abfd, seclet, section, data, relocateable) |
2327 | bfd *abfd; | |
2328 | bfd_seclet_type *seclet; | |
2329 | asection *section; | |
2330 | PTR data; | |
2331 | boolean relocateable; | |
8fa0d3a0 ILT |
2332 | { |
2333 | switch (seclet->type) | |
2334 | { | |
2335 | case bfd_indirect_seclet: | |
2336 | /* The contents of this section come from another one somewhere | |
2337 | else. */ | |
2338 | return ecoff_rel (abfd, seclet, section, data, relocateable); | |
2339 | ||
2340 | case bfd_fill_seclet: | |
c3fe0c41 ILT |
2341 | /* Fill in the section with fill.value. This is used to pad out |
2342 | sections, but we must avoid padding the .bss section. */ | |
2343 | if ((section->flags & SEC_HAS_CONTENTS) == 0) | |
2344 | { | |
2345 | if (seclet->u.fill.value != 0) | |
2346 | abort (); | |
2347 | } | |
2348 | else | |
2349 | { | |
2350 | char *d = (char *) bfd_alloc (abfd, seclet->size); | |
2351 | unsigned int i; | |
2352 | boolean ret; | |
2353 | ||
2354 | for (i = 0; i < seclet->size; i+=2) | |
2355 | d[i] = seclet->u.fill.value >> 8; | |
2356 | for (i = 1; i < seclet->size; i+=2) | |
2357 | d[i] = seclet->u.fill.value; | |
2358 | ret = bfd_set_section_contents (abfd, section, d, seclet->offset, | |
2359 | seclet->size); | |
2360 | bfd_release (abfd, (PTR) d); | |
2361 | return ret; | |
2362 | } | |
2363 | break; | |
8fa0d3a0 ILT |
2364 | |
2365 | default: | |
2366 | abort(); | |
2367 | } | |
2368 | ||
2369 | return true; | |
2370 | } | |
2371 | ||
2372 | /* Add a string to the debugging information we are accumulating for a | |
2373 | file. Return the offset from the fdr string base or from the | |
2374 | external string base. */ | |
2375 | ||
2376 | static long | |
f6409552 ILT |
2377 | ecoff_add_string (output_bfd, fdr, string, external) |
2378 | bfd *output_bfd; | |
2379 | FDR *fdr; | |
2380 | CONST char *string; | |
2381 | boolean external; | |
8fa0d3a0 ILT |
2382 | { |
2383 | HDRR *symhdr; | |
2384 | size_t len; | |
2385 | long ret; | |
2386 | ||
2387 | symhdr = &ecoff_data (output_bfd)->symbolic_header; | |
2388 | len = strlen (string); | |
2389 | if (external) | |
2390 | { | |
2391 | strcpy (ecoff_data (output_bfd)->ssext + symhdr->issExtMax, string); | |
2392 | ret = symhdr->issExtMax; | |
2393 | symhdr->issExtMax += len + 1; | |
2394 | } | |
2395 | else | |
2396 | { | |
2397 | strcpy (ecoff_data (output_bfd)->ss + symhdr->issMax, string); | |
2398 | ret = fdr->cbSs; | |
2399 | symhdr->issMax += len + 1; | |
2400 | fdr->cbSs += len + 1; | |
2401 | } | |
2402 | return ret; | |
2403 | } | |
2404 | ||
2405 | /* Accumulate the debugging information from an input section. */ | |
2406 | ||
2407 | static boolean | |
f6409552 ILT |
2408 | ecoff_get_debug (output_bfd, seclet, section, relocateable) |
2409 | bfd *output_bfd; | |
2410 | bfd_seclet_type *seclet; | |
2411 | asection *section; | |
2412 | boolean relocateable; | |
8fa0d3a0 ILT |
2413 | { |
2414 | bfd *input_bfd; | |
2415 | HDRR *output_symhdr; | |
2416 | HDRR *input_symhdr; | |
2417 | ecoff_data_type *output_ecoff; | |
2418 | ecoff_data_type *input_ecoff; | |
c3fe0c41 ILT |
2419 | unsigned int count; |
2420 | struct sym_ext *sym_out; | |
c3fe0c41 ILT |
2421 | ecoff_symbol_type *esym_ptr; |
2422 | ecoff_symbol_type *esym_end; | |
20f10b59 | 2423 | unsigned long pdr_off; |
8fa0d3a0 ILT |
2424 | FDR *fdr_ptr; |
2425 | FDR *fdr_end; | |
2426 | struct fdr_ext *fdr_out; | |
8fa0d3a0 ILT |
2427 | |
2428 | input_bfd = seclet->u.indirect.section->owner; | |
2429 | ||
2430 | /* Don't get the information more than once. */ | |
2431 | if (input_bfd->output_has_begun) | |
2432 | return true; | |
2433 | input_bfd->output_has_begun = true; | |
2434 | ||
2435 | output_ecoff = ecoff_data (output_bfd); | |
2436 | output_symhdr = &output_ecoff->symbolic_header; | |
2437 | ||
2438 | if (input_bfd->xvec->flavour != bfd_target_ecoff_flavour) | |
2439 | { | |
2440 | FDR fdr; | |
2441 | asymbol **symbols; | |
2442 | asymbol **sym_ptr; | |
2443 | asymbol **sym_end; | |
2444 | ||
2445 | /* This is not an ECOFF BFD. Just gather the symbols. */ | |
2446 | ||
2447 | memset (&fdr, 0, sizeof fdr); | |
2448 | ||
2449 | fdr.adr = bfd_get_section_vma (output_bfd, section) + seclet->offset; | |
2450 | fdr.issBase = output_symhdr->issMax; | |
2451 | fdr.cbSs = 0; | |
2452 | fdr.rss = ecoff_add_string (output_bfd, | |
2453 | &fdr, | |
2454 | bfd_get_filename (input_bfd), | |
2455 | false); | |
2456 | fdr.isymBase = output_symhdr->isymMax; | |
2457 | ||
c3fe0c41 | 2458 | /* Get the local symbols from the input BFD. */ |
8fa0d3a0 ILT |
2459 | symbols = (asymbol **) bfd_alloc (output_bfd, |
2460 | get_symtab_upper_bound (input_bfd)); | |
2461 | if (symbols == (asymbol **) NULL) | |
2462 | { | |
2463 | bfd_error = no_memory; | |
2464 | return false; | |
2465 | } | |
2466 | sym_end = symbols + bfd_canonicalize_symtab (input_bfd, symbols); | |
2467 | ||
c3fe0c41 ILT |
2468 | /* Handle the local symbols. Any external symbols are handled |
2469 | separately. */ | |
8fa0d3a0 ILT |
2470 | fdr.csym = 0; |
2471 | for (sym_ptr = symbols; sym_ptr != sym_end; sym_ptr++) | |
2472 | { | |
2473 | SYMR internal_sym; | |
2474 | ||
2475 | if (((*sym_ptr)->flags & BSF_EXPORT) != 0) | |
2476 | continue; | |
2477 | memset (&internal_sym, 0, sizeof internal_sym); | |
2478 | internal_sym.iss = ecoff_add_string (output_bfd, | |
2479 | &fdr, | |
2480 | (*sym_ptr)->name, | |
2481 | false); | |
5e462ed9 ILT |
2482 | |
2483 | if (bfd_is_com_section ((*sym_ptr)->section) | |
2484 | || (*sym_ptr)->section == &bfd_und_section) | |
2485 | internal_sym.value = (*sym_ptr)->value; | |
2486 | else | |
2487 | internal_sym.value = ((*sym_ptr)->value | |
2488 | + (*sym_ptr)->section->output_offset | |
2489 | + (*sym_ptr)->section->output_section->vma); | |
8fa0d3a0 ILT |
2490 | internal_sym.st = stNil; |
2491 | internal_sym.sc = scUndefined; | |
2492 | internal_sym.index = indexNil; | |
2493 | ecoff_swap_sym_out (output_bfd, &internal_sym, | |
2494 | (output_ecoff->external_sym | |
2495 | + output_symhdr->isymMax)); | |
2496 | ++fdr.csym; | |
2497 | ++output_symhdr->isymMax; | |
2498 | } | |
2499 | ||
8fa0d3a0 ILT |
2500 | bfd_release (output_bfd, (PTR) symbols); |
2501 | ||
c3fe0c41 ILT |
2502 | /* Leave everything else in the FDR zeroed out. This will cause |
2503 | the lang field to be langC. The fBigendian field will | |
2504 | indicate little endian format, but it doesn't matter because | |
2505 | it only applies to aux fields and there are none. */ | |
8fa0d3a0 ILT |
2506 | |
2507 | ecoff_swap_fdr_out (output_bfd, &fdr, | |
2508 | (output_ecoff->external_fdr | |
2509 | + output_symhdr->ifdMax)); | |
2510 | ++output_symhdr->ifdMax; | |
2511 | return true; | |
2512 | } | |
2513 | ||
2514 | /* This is an ECOFF BFD. We want to grab the information from | |
2515 | input_bfd and attach it to output_bfd. */ | |
c3fe0c41 ILT |
2516 | count = bfd_get_symcount (input_bfd); |
2517 | if (count == 0) | |
8fa0d3a0 ILT |
2518 | return true; |
2519 | input_ecoff = ecoff_data (input_bfd); | |
2520 | input_symhdr = &input_ecoff->symbolic_header; | |
2521 | ||
c3fe0c41 ILT |
2522 | /* I think that it is more efficient to simply copy the debugging |
2523 | information from the input BFD to the output BFD. Because ECOFF | |
2524 | uses relative pointers for most of the debugging information, | |
2525 | only a little of it has to be changed at all. */ | |
2526 | ||
2527 | /* Swap in the local symbols, adjust their values, and swap them out | |
2528 | again. The external symbols are handled separately. */ | |
2529 | sym_out = output_ecoff->external_sym + output_symhdr->isymMax; | |
2530 | ||
2531 | esym_ptr = ecoff_data (input_bfd)->canonical_symbols; | |
2532 | esym_end = esym_ptr + count; | |
2533 | for (; esym_ptr < esym_end; esym_ptr++) | |
2534 | { | |
2535 | if (esym_ptr->local) | |
2536 | { | |
2537 | SYMR sym; | |
2538 | ||
2539 | ecoff_swap_sym_in (input_bfd, esym_ptr->native.lnative, &sym); | |
5e462ed9 ILT |
2540 | |
2541 | /* If we're producing an executable, move common symbols | |
2542 | into bss. */ | |
2543 | if (relocateable == false) | |
2544 | { | |
2545 | if (sym.sc == scCommon) | |
2546 | sym.sc = scBss; | |
2547 | else if (sym.sc == scSCommon) | |
2548 | sym.sc = scSBss; | |
2549 | } | |
2550 | ||
382f2a3d | 2551 | if (! bfd_is_com_section (esym_ptr->symbol.section) |
c3fe0c41 ILT |
2552 | && (esym_ptr->symbol.flags & BSF_DEBUGGING) == 0 |
2553 | && esym_ptr->symbol.section != &bfd_und_section) | |
2554 | sym.value = (esym_ptr->symbol.value | |
2555 | + esym_ptr->symbol.section->output_offset | |
2556 | + esym_ptr->symbol.section->output_section->vma); | |
2557 | ecoff_swap_sym_out (output_bfd, &sym, sym_out); | |
2558 | ++sym_out; | |
2559 | } | |
2560 | } | |
2561 | ||
2562 | /* That should have accounted for all the local symbols in | |
2563 | input_bfd. */ | |
2564 | BFD_ASSERT ((sym_out - output_ecoff->external_sym) - output_symhdr->isymMax | |
2565 | == input_symhdr->isymMax); | |
2566 | ||
2567 | /* Copy the information that does not need swapping. */ | |
2568 | memcpy (output_ecoff->line + output_symhdr->cbLine, | |
8fa0d3a0 ILT |
2569 | input_ecoff->line, |
2570 | input_symhdr->cbLine * sizeof (unsigned char)); | |
2571 | memcpy (output_ecoff->external_aux + output_symhdr->iauxMax, | |
2572 | input_ecoff->external_aux, | |
2573 | input_symhdr->iauxMax * sizeof (union aux_ext)); | |
2574 | memcpy (output_ecoff->ss + output_symhdr->issMax, | |
2575 | input_ecoff->ss, | |
2576 | input_symhdr->issMax * sizeof (char)); | |
8fa0d3a0 ILT |
2577 | |
2578 | /* Some of the information may need to be swapped. */ | |
c3fe0c41 ILT |
2579 | if (output_bfd->xvec->header_byteorder_big_p |
2580 | == input_bfd->xvec->header_byteorder_big_p) | |
8fa0d3a0 ILT |
2581 | { |
2582 | /* The two BFD's have the same endianness, so memcpy will | |
2583 | suffice. */ | |
2584 | memcpy (output_ecoff->external_dnr + output_symhdr->idnMax, | |
2585 | input_ecoff->external_dnr, | |
2586 | input_symhdr->idnMax * sizeof (struct dnr_ext)); | |
2587 | memcpy (output_ecoff->external_pdr + output_symhdr->ipdMax, | |
2588 | input_ecoff->external_pdr, | |
2589 | input_symhdr->ipdMax * sizeof (struct pdr_ext)); | |
20f10b59 ILT |
2590 | if (input_symhdr->ipdMax == 0) |
2591 | pdr_off = 0; | |
2592 | else | |
2593 | { | |
2594 | PDR pdr; | |
2595 | ||
2596 | ecoff_swap_pdr_in (input_bfd, input_ecoff->external_pdr, &pdr); | |
2597 | pdr_off = pdr.adr; | |
2598 | } | |
8fa0d3a0 ILT |
2599 | memcpy (output_ecoff->external_opt + output_symhdr->ioptMax, |
2600 | input_ecoff->external_opt, | |
2601 | input_symhdr->ioptMax * sizeof (struct opt_ext)); | |
2602 | } | |
2603 | else | |
2604 | { | |
2605 | struct dnr_ext *dnr_in; | |
2606 | struct dnr_ext *dnr_end; | |
2607 | struct dnr_ext *dnr_out; | |
2608 | struct pdr_ext *pdr_in; | |
2609 | struct pdr_ext *pdr_end; | |
2610 | struct pdr_ext *pdr_out; | |
20f10b59 | 2611 | int first_pdr; |
8fa0d3a0 ILT |
2612 | struct opt_ext *opt_in; |
2613 | struct opt_ext *opt_end; | |
2614 | struct opt_ext *opt_out; | |
2615 | ||
2616 | /* The two BFD's have different endianness, so we must swap | |
2617 | everything in and out. This code would always work, but it | |
c3fe0c41 | 2618 | would be slow in the normal case. */ |
8fa0d3a0 ILT |
2619 | dnr_in = input_ecoff->external_dnr; |
2620 | dnr_end = dnr_in + input_symhdr->idnMax; | |
2621 | dnr_out = output_ecoff->external_dnr + output_symhdr->idnMax; | |
2622 | for (; dnr_in < dnr_end; dnr_in++, dnr_out++) | |
2623 | { | |
2624 | DNR dnr; | |
2625 | ||
2626 | ecoff_swap_dnr_in (input_bfd, dnr_in, &dnr); | |
2627 | ecoff_swap_dnr_out (output_bfd, &dnr, dnr_out); | |
2628 | } | |
2629 | pdr_in = input_ecoff->external_pdr; | |
2630 | pdr_end = pdr_in + input_symhdr->ipdMax; | |
2631 | pdr_out = output_ecoff->external_pdr + output_symhdr->ipdMax; | |
20f10b59 ILT |
2632 | first_pdr = 1; |
2633 | pdr_off = 0; | |
8fa0d3a0 ILT |
2634 | for (; pdr_in < pdr_end; pdr_in++, pdr_out++) |
2635 | { | |
2636 | PDR pdr; | |
2637 | ||
2638 | ecoff_swap_pdr_in (input_bfd, pdr_in, &pdr); | |
2639 | ecoff_swap_pdr_out (output_bfd, &pdr, pdr_out); | |
20f10b59 ILT |
2640 | if (first_pdr) |
2641 | { | |
2642 | pdr_off = pdr.adr; | |
2643 | first_pdr = 0; | |
2644 | } | |
8fa0d3a0 | 2645 | } |
8fa0d3a0 ILT |
2646 | opt_in = input_ecoff->external_opt; |
2647 | opt_end = opt_in + input_symhdr->ioptMax; | |
2648 | opt_out = output_ecoff->external_opt + output_symhdr->ioptMax; | |
2649 | for (; opt_in < opt_end; opt_in++, opt_out++) | |
2650 | { | |
2651 | OPTR opt; | |
2652 | ||
2653 | ecoff_swap_opt_in (input_bfd, opt_in, &opt); | |
2654 | ecoff_swap_opt_out (output_bfd, &opt, opt_out); | |
2655 | } | |
2656 | } | |
2657 | ||
c3fe0c41 ILT |
2658 | /* Set ifdbase so that the external symbols know how to adjust their |
2659 | ifd values. */ | |
2660 | input_ecoff->ifdbase = output_symhdr->ifdMax; | |
2661 | ||
8fa0d3a0 ILT |
2662 | fdr_ptr = input_ecoff->fdr; |
2663 | fdr_end = fdr_ptr + input_symhdr->ifdMax; | |
2664 | fdr_out = output_ecoff->external_fdr + output_symhdr->ifdMax; | |
2665 | for (; fdr_ptr < fdr_end; fdr_ptr++, fdr_out++) | |
2666 | { | |
2667 | FDR fdr; | |
2668 | ||
2669 | fdr = *fdr_ptr; | |
2670 | ||
2671 | /* The memory address for this fdr is the address for the seclet | |
20f10b59 ILT |
2672 | plus the offset to this fdr within input_bfd. For some |
2673 | reason the offset of the first procedure pointer is also | |
2674 | added in. */ | |
8fa0d3a0 ILT |
2675 | fdr.adr = (bfd_get_section_vma (output_bfd, section) |
2676 | + seclet->offset | |
20f10b59 ILT |
2677 | + (fdr_ptr->adr - input_ecoff->fdr->adr) |
2678 | + pdr_off); | |
8fa0d3a0 | 2679 | |
bf4b84bc ILT |
2680 | fdr.issBase += output_symhdr->issMax; |
2681 | fdr.isymBase += output_symhdr->isymMax; | |
2682 | fdr.ilineBase += output_symhdr->ilineMax; | |
2683 | fdr.ioptBase += output_symhdr->ioptMax; | |
2684 | fdr.ipdFirst += output_symhdr->ipdMax; | |
2685 | fdr.iauxBase += output_symhdr->iauxMax; | |
2686 | fdr.rfdBase += output_symhdr->crfd; | |
c3fe0c41 ILT |
2687 | |
2688 | /* If there are no RFD's, we are going to add some. We don't | |
2689 | want to adjust irfd for this, so that all the FDR's can share | |
2690 | the RFD's. */ | |
2691 | if (input_symhdr->crfd == 0) | |
2692 | fdr.crfd = input_symhdr->ifdMax; | |
2693 | ||
2694 | if (fdr.cbLine != 0) | |
bf4b84bc | 2695 | fdr.cbLineOffset += output_symhdr->cbLine; |
8fa0d3a0 ILT |
2696 | |
2697 | ecoff_swap_fdr_out (output_bfd, &fdr, fdr_out); | |
2698 | } | |
2699 | ||
2700 | if (input_symhdr->crfd > 0) | |
2701 | { | |
2702 | struct rfd_ext *rfd_in; | |
2703 | struct rfd_ext *rfd_end; | |
2704 | struct rfd_ext *rfd_out; | |
2705 | ||
2706 | /* Swap and adjust the RFD's. RFD's are only created by the | |
2707 | linker, so this will only be necessary if one of the input | |
2708 | files is the result of a partial link. Presumably all | |
2709 | necessary RFD's are present. */ | |
2710 | rfd_in = input_ecoff->external_rfd; | |
2711 | rfd_end = rfd_in + input_symhdr->crfd; | |
2712 | rfd_out = output_ecoff->external_rfd + output_symhdr->crfd; | |
2713 | for (; rfd_in < rfd_end; rfd_in++, rfd_out++) | |
2714 | { | |
2715 | RFDT rfd; | |
2716 | ||
2717 | ecoff_swap_rfd_in (input_bfd, rfd_in, &rfd); | |
2718 | rfd += output_symhdr->ifdMax; | |
2719 | ecoff_swap_rfd_out (output_bfd, &rfd, rfd_out); | |
2720 | } | |
2721 | output_symhdr->crfd += input_symhdr->crfd; | |
2722 | } | |
2723 | else | |
2724 | { | |
2725 | struct rfd_ext *rfd_out; | |
2726 | struct rfd_ext *rfd_end; | |
2727 | RFDT rfd; | |
2728 | ||
2729 | /* Create RFD's. Some of the debugging information includes | |
2730 | relative file indices. These indices are taken as indices to | |
2731 | the RFD table if there is one, or to the global table if | |
2732 | there is not. If we did not create RFD's, we would have to | |
2733 | parse and adjust all the debugging information which contains | |
2734 | file indices. */ | |
2735 | rfd = output_symhdr->ifdMax; | |
2736 | rfd_out = output_ecoff->external_rfd + output_symhdr->crfd; | |
2737 | rfd_end = rfd_out + input_symhdr->ifdMax; | |
2738 | for (; rfd_out < rfd_end; rfd_out++, rfd++) | |
2739 | ecoff_swap_rfd_out (output_bfd, &rfd, rfd_out); | |
2740 | output_symhdr->crfd += input_symhdr->ifdMax; | |
2741 | } | |
2742 | ||
c3fe0c41 ILT |
2743 | /* Combine the register masks. */ |
2744 | { | |
2745 | int i; | |
8fa0d3a0 | 2746 | |
c3fe0c41 | 2747 | output_ecoff->gprmask |= input_ecoff->gprmask; |
5e462ed9 | 2748 | for (i = 0; i < 4; i++) |
c3fe0c41 ILT |
2749 | output_ecoff->cprmask[i] |= input_ecoff->cprmask[i]; |
2750 | } | |
8fa0d3a0 ILT |
2751 | |
2752 | /* Update the counts. */ | |
2753 | output_symhdr->ilineMax += input_symhdr->ilineMax; | |
2754 | output_symhdr->cbLine += input_symhdr->cbLine; | |
2755 | output_symhdr->idnMax += input_symhdr->idnMax; | |
2756 | output_symhdr->ipdMax += input_symhdr->ipdMax; | |
2757 | output_symhdr->isymMax += input_symhdr->isymMax; | |
2758 | output_symhdr->ioptMax += input_symhdr->ioptMax; | |
2759 | output_symhdr->iauxMax += input_symhdr->iauxMax; | |
2760 | output_symhdr->issMax += input_symhdr->issMax; | |
8fa0d3a0 | 2761 | output_symhdr->ifdMax += input_symhdr->ifdMax; |
8fa0d3a0 | 2762 | |
8fa0d3a0 ILT |
2763 | return true; |
2764 | } | |
2765 | ||
2766 | /* This is the actual link routine. It makes two passes over all the | |
2767 | seclets. */ | |
2768 | ||
2769 | static boolean | |
f6409552 ILT |
2770 | ecoff_bfd_seclet_link (abfd, data, relocateable) |
2771 | bfd *abfd; | |
2772 | PTR data; | |
2773 | boolean relocateable; | |
8fa0d3a0 ILT |
2774 | { |
2775 | HDRR *symhdr; | |
2776 | int ipass; | |
2777 | register asection *o; | |
2778 | register bfd_seclet_type *p; | |
c3fe0c41 | 2779 | asymbol **sym_ptr_ptr; |
8fa0d3a0 ILT |
2780 | bfd_size_type size; |
2781 | char *raw; | |
2782 | ||
2783 | /* We accumulate the debugging information counts in the symbolic | |
2784 | header. */ | |
2785 | symhdr = &ecoff_data (abfd)->symbolic_header; | |
c3fe0c41 ILT |
2786 | symhdr->magic = magicSym; |
2787 | /* FIXME: What should the version stamp be? */ | |
2788 | symhdr->vstamp = 0; | |
8fa0d3a0 ILT |
2789 | symhdr->ilineMax = 0; |
2790 | symhdr->cbLine = 0; | |
2791 | symhdr->idnMax = 0; | |
2792 | symhdr->ipdMax = 0; | |
2793 | symhdr->isymMax = 0; | |
2794 | symhdr->ioptMax = 0; | |
2795 | symhdr->iauxMax = 0; | |
2796 | symhdr->issMax = 0; | |
2797 | symhdr->issExtMax = 0; | |
2798 | symhdr->ifdMax = 0; | |
2799 | symhdr->crfd = 0; | |
2800 | symhdr->iextMax = 0; | |
2801 | ||
c3fe0c41 ILT |
2802 | /* We need to copy over the debugging symbols from each input BFD. |
2803 | When we do this copying, we have to adjust the text address in | |
2804 | the FDR structures, so we have to know the text address used for | |
2805 | the input BFD. Since we only want to copy the symbols once per | |
2806 | input BFD, but we are going to look at each input BFD multiple | |
2807 | times (once for each section it provides), we arrange to always | |
2808 | look at the text section first. That means that when we copy the | |
2809 | debugging information, we always know the text address. So we | |
2810 | actually do each pass in two sub passes; first the text sections, | |
2811 | then the non-text sections. We use the output_has_begun flag to | |
2812 | determine whether we have copied over the debugging information | |
2813 | yet. */ | |
8fa0d3a0 ILT |
2814 | |
2815 | /* Do the first pass: set the output section contents and count the | |
2816 | debugging information. */ | |
2817 | ecoff_clear_output_flags (abfd); | |
2818 | for (ipass = 0; ipass < 2; ipass++) | |
2819 | { | |
2820 | for (o = abfd->sections; o != (asection *) NULL; o = o->next) | |
2821 | { | |
2822 | /* For SEC_CODE sections, (flags & SEC_CODE) == 0 is false, | |
2823 | so they are done on pass 0. For other sections the | |
2824 | expression is true, so they are done on pass 1. */ | |
2825 | if (((o->flags & SEC_CODE) == 0) != ipass) | |
2826 | continue; | |
2827 | ||
2828 | for (p = o->seclets_head; | |
2829 | p != (bfd_seclet_type *) NULL; | |
2830 | p = p->next) | |
2831 | { | |
2832 | if (ecoff_dump_seclet (abfd, p, o, data, relocateable) | |
2833 | == false) | |
2834 | return false; | |
2835 | } | |
2836 | } | |
2837 | } | |
2838 | ||
c3fe0c41 ILT |
2839 | /* We handle the external symbols differently. We use the ones |
2840 | attached to the output_bfd. The linker will have already | |
2841 | determined which symbols are to be attached. Here we just | |
2842 | determine how much space we will need for them. */ | |
2843 | sym_ptr_ptr = bfd_get_outsymbols (abfd); | |
2844 | if (sym_ptr_ptr != NULL) | |
2845 | { | |
2846 | asymbol **sym_end; | |
2847 | ||
2848 | sym_end = sym_ptr_ptr + bfd_get_symcount (abfd); | |
2849 | for (; sym_ptr_ptr < sym_end; sym_ptr_ptr++) | |
2850 | { | |
2851 | if (((*sym_ptr_ptr)->flags & BSF_DEBUGGING) == 0 | |
2852 | && ((*sym_ptr_ptr)->flags & BSF_LOCAL) == 0) | |
2853 | { | |
2854 | ++symhdr->iextMax; | |
2855 | symhdr->issExtMax += strlen ((*sym_ptr_ptr)->name) + 1; | |
2856 | } | |
2857 | } | |
2858 | } | |
2859 | ||
2860 | /* Adjust the counts so that structures are longword aligned. */ | |
2861 | symhdr->cbLine = (symhdr->cbLine + 3) &~ 3; | |
2862 | symhdr->issMax = (symhdr->issMax + 3) &~ 3; | |
2863 | symhdr->issExtMax = (symhdr->issExtMax + 3) &~ 3; | |
2864 | ||
8fa0d3a0 ILT |
2865 | /* Now the counts in symhdr are the correct size for the debugging |
2866 | information. We allocate the right amount of space, and reset | |
2867 | the counts so that the second pass can use them as indices. It | |
2868 | would be possible to output the debugging information directly to | |
2869 | the file in pass 2, rather than to build it in memory and then | |
2870 | write it out. Outputting to the file would require a lot of | |
2871 | seeks and small writes, though, and I think this approach is | |
2872 | faster. */ | |
2873 | size = (symhdr->cbLine * sizeof (unsigned char) | |
2874 | + symhdr->idnMax * sizeof (struct dnr_ext) | |
2875 | + symhdr->ipdMax * sizeof (struct pdr_ext) | |
2876 | + symhdr->isymMax * sizeof (struct sym_ext) | |
2877 | + symhdr->ioptMax * sizeof (struct opt_ext) | |
2878 | + symhdr->iauxMax * sizeof (union aux_ext) | |
2879 | + symhdr->issMax * sizeof (char) | |
2880 | + symhdr->issExtMax * sizeof (char) | |
2881 | + symhdr->ifdMax * sizeof (struct fdr_ext) | |
2882 | + symhdr->crfd * sizeof (struct rfd_ext) | |
2883 | + symhdr->iextMax * sizeof (struct ext_ext)); | |
2884 | raw = (char *) bfd_alloc (abfd, size); | |
2885 | if (raw == (char *) NULL) | |
2886 | { | |
2887 | bfd_error = no_memory; | |
2888 | return false; | |
2889 | } | |
2890 | ecoff_data (abfd)->raw_size = size; | |
2891 | ecoff_data (abfd)->raw_syments = (PTR) raw; | |
2892 | ||
2893 | /* Initialize the raw pointers. */ | |
2894 | #define SET(field, count, type) \ | |
2895 | ecoff_data (abfd)->field = (type *) raw; \ | |
2896 | raw += symhdr->count * sizeof (type) | |
2897 | ||
2898 | SET (line, cbLine, unsigned char); | |
2899 | SET (external_dnr, idnMax, struct dnr_ext); | |
2900 | SET (external_pdr, ipdMax, struct pdr_ext); | |
2901 | SET (external_sym, isymMax, struct sym_ext); | |
2902 | SET (external_opt, ioptMax, struct opt_ext); | |
2903 | SET (external_aux, iauxMax, union aux_ext); | |
2904 | SET (ss, issMax, char); | |
2905 | SET (ssext, issExtMax, char); | |
2906 | SET (external_fdr, ifdMax, struct fdr_ext); | |
2907 | SET (external_rfd, crfd, struct rfd_ext); | |
2908 | SET (external_ext, iextMax, struct ext_ext); | |
2909 | #undef SET | |
2910 | ||
2911 | /* Reset the counts so the second pass can use them to know how far | |
2912 | it has gotten. */ | |
2913 | symhdr->ilineMax = 0; | |
2914 | symhdr->cbLine = 0; | |
2915 | symhdr->idnMax = 0; | |
2916 | symhdr->ipdMax = 0; | |
2917 | symhdr->isymMax = 0; | |
2918 | symhdr->ioptMax = 0; | |
2919 | symhdr->iauxMax = 0; | |
2920 | symhdr->issMax = 0; | |
2921 | symhdr->issExtMax = 0; | |
2922 | symhdr->ifdMax = 0; | |
2923 | symhdr->crfd = 0; | |
2924 | symhdr->iextMax = 0; | |
2925 | ||
2926 | /* Do the second pass: accumulate the debugging information. */ | |
2927 | ecoff_clear_output_flags (abfd); | |
2928 | for (ipass = 0; ipass < 2; ipass++) | |
2929 | { | |
2930 | for (o = abfd->sections; o != (asection *) NULL; o = o->next) | |
2931 | { | |
2932 | if (((o->flags & SEC_CODE) == 0) != ipass) | |
2933 | continue; | |
2934 | for (p = o->seclets_head; | |
2935 | p != (bfd_seclet_type *) NULL; | |
2936 | p = p->next) | |
2937 | { | |
2938 | if (p->type == bfd_indirect_seclet) | |
2939 | { | |
5e462ed9 | 2940 | if (ecoff_get_debug (abfd, p, o, relocateable) == false) |
8fa0d3a0 ILT |
2941 | return false; |
2942 | } | |
2943 | } | |
2944 | } | |
2945 | } | |
2946 | ||
c3fe0c41 ILT |
2947 | /* Put in the external symbols. */ |
2948 | sym_ptr_ptr = bfd_get_outsymbols (abfd); | |
2949 | if (sym_ptr_ptr != NULL) | |
2950 | { | |
2951 | char *ssext; | |
2952 | struct ext_ext *external_ext; | |
2953 | ||
2954 | ssext = ecoff_data (abfd)->ssext; | |
2955 | external_ext = ecoff_data (abfd)->external_ext; | |
2956 | for (; *sym_ptr_ptr != NULL; sym_ptr_ptr++) | |
2957 | { | |
2958 | asymbol *sym_ptr; | |
2959 | EXTR esym; | |
2960 | ||
2961 | sym_ptr = *sym_ptr_ptr; | |
2962 | ||
2963 | if ((sym_ptr->flags & BSF_DEBUGGING) != 0 | |
2964 | || (sym_ptr->flags & BSF_LOCAL) != 0) | |
2965 | continue; | |
2966 | ||
2967 | /* The enative pointer can be NULL for a symbol created by | |
2968 | the linker via ecoff_make_empty_symbol. */ | |
2969 | if (bfd_asymbol_flavour (sym_ptr) != bfd_target_ecoff_flavour | |
2970 | || (((ecoff_symbol_type *) sym_ptr)->native.enative | |
2971 | == (struct ext_ext *) NULL)) | |
2972 | { | |
2973 | esym.jmptbl = 0; | |
2974 | esym.cobol_main = 0; | |
2975 | esym.weakext = 0; | |
2976 | esym.reserved = 0; | |
2977 | esym.ifd = ifdNil; | |
2978 | /* FIXME: we can do better than this for st and sc. */ | |
2979 | esym.asym.st = stGlobal; | |
2980 | esym.asym.sc = scAbs; | |
2981 | esym.asym.reserved = 0; | |
2982 | esym.asym.index = indexNil; | |
2983 | } | |
2984 | else | |
2985 | { | |
2986 | ecoff_symbol_type *ecoff_sym_ptr; | |
2987 | ||
2988 | ecoff_sym_ptr = (ecoff_symbol_type *) sym_ptr; | |
2989 | if (ecoff_sym_ptr->local) | |
2990 | abort (); | |
2991 | ecoff_swap_ext_in (abfd, ecoff_sym_ptr->native.enative, &esym); | |
2992 | ||
5e462ed9 ILT |
2993 | /* If we're producing an executable, move common symbols |
2994 | into bss. */ | |
2995 | if (relocateable == false) | |
2996 | { | |
2997 | if (esym.asym.sc == scCommon) | |
2998 | esym.asym.sc = scBss; | |
2999 | else if (esym.asym.sc == scSCommon) | |
3000 | esym.asym.sc = scSBss; | |
3001 | } | |
3002 | ||
c3fe0c41 ILT |
3003 | /* Adjust the FDR index for the symbol by that used for |
3004 | the input BFD. */ | |
3005 | esym.ifd += ecoff_data (bfd_asymbol_bfd (sym_ptr))->ifdbase; | |
3006 | } | |
3007 | ||
3008 | esym.asym.iss = symhdr->issExtMax; | |
3009 | ||
382f2a3d | 3010 | if (bfd_is_com_section (sym_ptr->section) |
c3fe0c41 ILT |
3011 | || sym_ptr->section == &bfd_und_section) |
3012 | esym.asym.value = sym_ptr->value; | |
3013 | else | |
3014 | esym.asym.value = (sym_ptr->value | |
3015 | + sym_ptr->section->output_offset | |
3016 | + sym_ptr->section->output_section->vma); | |
3017 | ||
3018 | ecoff_swap_ext_out (abfd, &esym, external_ext + symhdr->iextMax); | |
3019 | ||
3020 | ecoff_set_sym_index (sym_ptr, symhdr->iextMax); | |
3021 | ||
3022 | ++symhdr->iextMax; | |
3023 | ||
3024 | strcpy (ssext + symhdr->issExtMax, sym_ptr->name); | |
3025 | symhdr->issExtMax += strlen (sym_ptr->name) + 1; | |
3026 | } | |
3027 | } | |
3028 | ||
3029 | /* Adjust the counts so that structures are longword aligned. */ | |
3030 | symhdr->cbLine = (symhdr->cbLine + 3) &~ 3; | |
3031 | symhdr->issMax = (symhdr->issMax + 3) &~ 3; | |
3032 | symhdr->issExtMax = (symhdr->issExtMax + 3) &~ 3; | |
3033 | ||
8fa0d3a0 ILT |
3034 | return true; |
3035 | } | |
3036 | \f | |
3037 | /* Set the architecture. The only architecture we support here is | |
3038 | mips. We set the architecture anyhow, since many callers ignore | |
3039 | the return value. */ | |
3040 | ||
3041 | static boolean | |
f6409552 ILT |
3042 | ecoff_set_arch_mach (abfd, arch, machine) |
3043 | bfd *abfd; | |
3044 | enum bfd_architecture arch; | |
3045 | unsigned long machine; | |
8fa0d3a0 ILT |
3046 | { |
3047 | bfd_default_set_arch_mach (abfd, arch, machine); | |
3048 | return arch == bfd_arch_mips; | |
3049 | } | |
3050 | ||
5e462ed9 ILT |
3051 | /* Get the size of the section headers. We do not output the .scommon |
3052 | section which we created in ecoff_mkobject. */ | |
3053 | ||
3054 | static int | |
3055 | ecoff_sizeof_headers (abfd, reloc) | |
3056 | bfd *abfd; | |
3057 | boolean reloc; | |
3058 | { | |
3059 | return FILHSZ + AOUTSZ + (abfd->section_count - 1) * SCNHSZ; | |
3060 | } | |
3061 | ||
8fa0d3a0 ILT |
3062 | /* Calculate the file position for each section, and set |
3063 | reloc_filepos. */ | |
3064 | ||
3065 | static void | |
f6409552 ILT |
3066 | ecoff_compute_section_file_positions (abfd) |
3067 | bfd *abfd; | |
8fa0d3a0 ILT |
3068 | { |
3069 | asection *current; | |
8fa0d3a0 ILT |
3070 | file_ptr sofar; |
3071 | file_ptr old_sofar; | |
c3fe0c41 | 3072 | boolean first_data; |
8fa0d3a0 | 3073 | |
8fa0d3a0 | 3074 | if (bfd_get_start_address (abfd)) |
c3fe0c41 | 3075 | abfd->flags |= EXEC_P; |
8fa0d3a0 | 3076 | |
5e462ed9 | 3077 | sofar = ecoff_sizeof_headers (abfd, false); |
8fa0d3a0 | 3078 | |
c3fe0c41 | 3079 | first_data = true; |
8fa0d3a0 ILT |
3080 | for (current = abfd->sections; |
3081 | current != (asection *) NULL; | |
3082 | current = current->next) | |
3083 | { | |
3084 | /* Only deal with sections which have contents */ | |
5e462ed9 ILT |
3085 | if (! (current->flags & SEC_HAS_CONTENTS) |
3086 | || strcmp (current->name, SCOMMON) == 0) | |
8fa0d3a0 ILT |
3087 | continue; |
3088 | ||
c3fe0c41 ILT |
3089 | /* On Ultrix, the data sections in an executable file must be |
3090 | aligned to a page boundary within the file. This does not | |
3091 | affect the section size, though. FIXME: Does this work for | |
3092 | other platforms? */ | |
3093 | if ((abfd->flags & EXEC_P) != 0 | |
3094 | && first_data != false | |
3095 | && (current->flags & SEC_CODE) == 0) | |
3096 | { | |
3097 | sofar = (sofar + PAGE_SIZE - 1) &~ (PAGE_SIZE - 1); | |
3098 | first_data = false; | |
3099 | } | |
3100 | ||
8fa0d3a0 ILT |
3101 | /* Align the sections in the file to the same boundary on |
3102 | which they are aligned in virtual memory. */ | |
3103 | old_sofar = sofar; | |
3104 | sofar = BFD_ALIGN (sofar, 1 << current->alignment_power); | |
8fa0d3a0 ILT |
3105 | |
3106 | current->filepos = sofar; | |
3107 | ||
3108 | sofar += current->_raw_size; | |
3109 | ||
3110 | /* make sure that this section is of the right size too */ | |
3111 | old_sofar = sofar; | |
3112 | sofar = BFD_ALIGN (sofar, 1 << current->alignment_power); | |
3113 | current->_raw_size += sofar - old_sofar; | |
8fa0d3a0 ILT |
3114 | } |
3115 | ||
3116 | ecoff_data (abfd)->reloc_filepos = sofar; | |
3117 | } | |
3118 | ||
3119 | /* Set the contents of a section. */ | |
3120 | ||
3121 | static boolean | |
f6409552 ILT |
3122 | ecoff_set_section_contents (abfd, section, location, offset, count) |
3123 | bfd *abfd; | |
3124 | asection *section; | |
3125 | PTR location; | |
3126 | file_ptr offset; | |
3127 | bfd_size_type count; | |
8fa0d3a0 ILT |
3128 | { |
3129 | if (abfd->output_has_begun == false) | |
3130 | ecoff_compute_section_file_positions (abfd); | |
3131 | ||
3132 | bfd_seek (abfd, (file_ptr) (section->filepos + offset), SEEK_SET); | |
3133 | ||
3134 | if (count != 0) | |
3135 | return (bfd_write (location, 1, count, abfd) == count) ? true : false; | |
3136 | ||
3137 | return true; | |
3138 | } | |
3139 | ||
3140 | /* Write out an ECOFF file. */ | |
3141 | ||
3142 | static boolean | |
f6409552 ILT |
3143 | ecoff_write_object_contents (abfd) |
3144 | bfd *abfd; | |
8fa0d3a0 ILT |
3145 | { |
3146 | asection *current; | |
3147 | unsigned int count; | |
3148 | file_ptr scn_base; | |
3149 | file_ptr reloc_base; | |
3150 | file_ptr sym_base; | |
3151 | unsigned long reloc_size; | |
3152 | unsigned long text_size; | |
3153 | unsigned long text_start; | |
3154 | unsigned long data_size; | |
3155 | unsigned long data_start; | |
3156 | unsigned long bss_size; | |
3157 | struct internal_filehdr internal_f; | |
3158 | struct internal_aouthdr internal_a; | |
c3fe0c41 | 3159 | int i; |
8fa0d3a0 ILT |
3160 | |
3161 | bfd_error = system_call_error; | |
3162 | ||
3163 | if(abfd->output_has_begun == false) | |
3164 | ecoff_compute_section_file_positions(abfd); | |
3165 | ||
3166 | if (abfd->sections != (asection *) NULL) | |
3167 | scn_base = abfd->sections->filepos; | |
3168 | else | |
3169 | scn_base = 0; | |
3170 | reloc_base = ecoff_data (abfd)->reloc_filepos; | |
3171 | ||
3172 | count = 1; | |
3173 | reloc_size = 0; | |
3174 | for (current = abfd->sections; | |
3175 | current != (asection *)NULL; | |
3176 | current = current->next) | |
3177 | { | |
5e462ed9 ILT |
3178 | if (strcmp (current->name, SCOMMON) == 0) |
3179 | continue; | |
8fa0d3a0 ILT |
3180 | current->target_index = count; |
3181 | ++count; | |
3182 | if (current->reloc_count != 0) | |
3183 | { | |
3184 | bfd_size_type relsize; | |
3185 | ||
3186 | current->rel_filepos = reloc_base; | |
3187 | relsize = current->reloc_count * RELSZ; | |
3188 | reloc_size += relsize; | |
3189 | reloc_base += relsize; | |
3190 | } | |
3191 | else | |
3192 | current->rel_filepos = 0; | |
3193 | } | |
3194 | ||
3195 | sym_base = reloc_base + reloc_size; | |
c3fe0c41 ILT |
3196 | |
3197 | /* At least on Ultrix, the symbol table of an executable file must | |
3198 | be aligned to a page boundary. FIXME: Is this true on other | |
3199 | platforms? */ | |
3200 | if ((abfd->flags & EXEC_P) != 0) | |
3201 | sym_base = (sym_base + PAGE_SIZE - 1) &~ (PAGE_SIZE - 1); | |
3202 | ||
8fa0d3a0 ILT |
3203 | ecoff_data (abfd)->sym_filepos = sym_base; |
3204 | ||
5e462ed9 | 3205 | text_size = ecoff_sizeof_headers (abfd, false); |
8fa0d3a0 ILT |
3206 | text_start = 0; |
3207 | data_size = 0; | |
3208 | data_start = 0; | |
3209 | bss_size = 0; | |
3210 | ||
3211 | /* Write section headers to the file. */ | |
3212 | ||
3213 | internal_f.f_nscns = 0; | |
c3fe0c41 | 3214 | if (bfd_seek (abfd, (file_ptr) (FILHSZ + AOUTSZ), SEEK_SET) != 0) |
8fa0d3a0 ILT |
3215 | return false; |
3216 | for (current = abfd->sections; | |
3217 | current != (asection *) NULL; | |
3218 | current = current->next) | |
3219 | { | |
3220 | struct internal_scnhdr section; | |
3221 | bfd_vma vma; | |
3222 | ||
5e462ed9 ILT |
3223 | if (strcmp (current->name, SCOMMON) == 0) |
3224 | { | |
3225 | BFD_ASSERT (bfd_get_section_size_before_reloc (current) == 0 | |
3226 | && current->reloc_count == 0); | |
3227 | continue; | |
3228 | } | |
3229 | ||
8fa0d3a0 ILT |
3230 | ++internal_f.f_nscns; |
3231 | ||
3232 | strncpy (section.s_name, current->name, sizeof section.s_name); | |
3233 | ||
3234 | /* FIXME: is this correct for shared libraries? I think it is | |
3235 | but I have no platform to check. Ian Lance Taylor. */ | |
3236 | vma = bfd_get_section_vma (abfd, current); | |
3237 | if (strcmp (current->name, _LIB) == 0) | |
3238 | section.s_vaddr = 0; | |
3239 | else | |
3240 | section.s_vaddr = vma; | |
3241 | ||
3242 | section.s_paddr = vma; | |
3243 | section.s_size = bfd_get_section_size_before_reloc (current); | |
3244 | ||
3245 | /* If this section has no size or is unloadable then the scnptr | |
3246 | will be 0 too. */ | |
3247 | if (current->_raw_size == 0 | |
3248 | || (current->flags & (SEC_LOAD | SEC_HAS_CONTENTS)) == 0) | |
3249 | section.s_scnptr = 0; | |
3250 | else | |
3251 | section.s_scnptr = current->filepos; | |
3252 | section.s_relptr = current->rel_filepos; | |
3253 | ||
3254 | /* FIXME: the lnnoptr of the .sbss or .sdata section of an | |
3255 | object file produced by the assembler is supposed to point to | |
3256 | information about how much room is required by objects of | |
3257 | various different sizes. I think this only matters if we | |
3258 | want the linker to compute the best size to use, or | |
3259 | something. I don't know what happens if the information is | |
3260 | not present. */ | |
3261 | section.s_lnnoptr = 0; | |
3262 | ||
3263 | section.s_nreloc = current->reloc_count; | |
3264 | section.s_nlnno = 0; | |
f6409552 ILT |
3265 | section.s_flags = ecoff_sec_to_styp_flags (current->name, |
3266 | current->flags); | |
8fa0d3a0 ILT |
3267 | |
3268 | { | |
3269 | SCNHDR buff; | |
3270 | ||
3271 | ecoff_swap_scnhdr_out (abfd, (PTR) §ion, (PTR) &buff); | |
3272 | if (bfd_write ((PTR) &buff, 1, SCNHSZ, abfd) != SCNHSZ) | |
3273 | return false; | |
3274 | } | |
3275 | ||
c3fe0c41 | 3276 | if ((section.s_flags & STYP_TEXT) != 0) |
8fa0d3a0 ILT |
3277 | { |
3278 | text_size += bfd_get_section_size_before_reloc (current); | |
3279 | if (text_start == 0 || text_start > vma) | |
3280 | text_start = vma; | |
3281 | } | |
c3fe0c41 ILT |
3282 | else if ((section.s_flags & STYP_RDATA) != 0 |
3283 | || (section.s_flags & STYP_DATA) != 0 | |
3284 | || (section.s_flags & STYP_LIT8) != 0 | |
3285 | || (section.s_flags & STYP_LIT4) != 0 | |
8fa0d3a0 ILT |
3286 | || (section.s_flags & STYP_SDATA) != 0) |
3287 | { | |
3288 | data_size += bfd_get_section_size_before_reloc (current); | |
3289 | if (data_start == 0 || data_start > vma) | |
3290 | data_start = vma; | |
3291 | } | |
3292 | else if ((section.s_flags & STYP_BSS) != 0 | |
3293 | || (section.s_flags & STYP_SBSS) != 0) | |
3294 | bss_size += bfd_get_section_size_before_reloc (current); | |
3295 | } | |
3296 | ||
3297 | /* Set up the file header. */ | |
3298 | ||
6d18a99d ILT |
3299 | if (abfd->xvec->header_byteorder_big_p != false) |
3300 | internal_f.f_magic = MIPS_MAGIC_BIG; | |
3301 | else | |
3302 | internal_f.f_magic = MIPS_MAGIC_LITTLE; | |
8fa0d3a0 ILT |
3303 | |
3304 | /* | |
3305 | We will NOT put a fucking timestamp in the header here. Every time you | |
3306 | put it back, I will come in and take it out again. I'm sorry. This | |
3307 | field does not belong here. We fill it with a 0 so it compares the | |
3308 | same but is not a reasonable time. -- gnu@cygnus.com | |
3309 | */ | |
3310 | internal_f.f_timdat = 0; | |
3311 | ||
c3fe0c41 ILT |
3312 | if (bfd_get_symcount (abfd) != 0) |
3313 | { | |
3314 | /* The ECOFF f_nsyms field is not actually the number of | |
3315 | symbols, it's the size of symbolic information header. */ | |
3316 | internal_f.f_nsyms = sizeof (struct hdr_ext); | |
3317 | internal_f.f_symptr = sym_base; | |
3318 | } | |
8fa0d3a0 | 3319 | else |
c3fe0c41 ILT |
3320 | { |
3321 | internal_f.f_nsyms = 0; | |
3322 | internal_f.f_symptr = 0; | |
3323 | } | |
8fa0d3a0 | 3324 | |
c3fe0c41 | 3325 | internal_f.f_opthdr = AOUTSZ; |
8fa0d3a0 | 3326 | |
c3fe0c41 | 3327 | internal_f.f_flags = F_LNNO; |
8fa0d3a0 ILT |
3328 | if (reloc_size == 0) |
3329 | internal_f.f_flags |= F_RELFLG; | |
3330 | if (bfd_get_symcount (abfd) == 0) | |
3331 | internal_f.f_flags |= F_LSYMS; | |
3332 | if (abfd->flags & EXEC_P) | |
3333 | internal_f.f_flags |= F_EXEC; | |
3334 | ||
3335 | if (! abfd->xvec->byteorder_big_p) | |
3336 | internal_f.f_flags |= F_AR32WR; | |
3337 | else | |
3338 | internal_f.f_flags |= F_AR32W; | |
3339 | ||
c3fe0c41 ILT |
3340 | /* Set up the ``optional'' header. */ |
3341 | internal_a.magic = ZMAGIC; | |
3342 | ||
f6409552 ILT |
3343 | /* FIXME: This is what Ultrix puts in, and it makes the Ultrix |
3344 | linker happy. But, is it right? */ | |
3345 | internal_a.vstamp = 0x20a; | |
c3fe0c41 ILT |
3346 | |
3347 | /* At least on Ultrix, these have to be rounded to page boundaries. | |
3348 | FIXME: Is this true on other platforms? */ | |
3349 | internal_a.tsize = (text_size + PAGE_SIZE - 1) &~ (PAGE_SIZE - 1); | |
3350 | internal_a.text_start = text_start &~ (PAGE_SIZE - 1); | |
3351 | internal_a.dsize = (data_size + PAGE_SIZE - 1) &~ (PAGE_SIZE - 1); | |
3352 | internal_a.data_start = data_start &~ (PAGE_SIZE - 1); | |
3353 | ||
3354 | /* On Ultrix, the initial portions of the .sbss and .bss segments | |
3355 | are at the end of the data section. The bsize field in the | |
3356 | optional header records how many bss bytes are required beyond | |
3357 | those in the data section. The value is not rounded to a page | |
3358 | boundary. */ | |
3359 | if (bss_size < internal_a.dsize - data_size) | |
3360 | bss_size = 0; | |
3361 | else | |
3362 | bss_size -= internal_a.dsize - data_size; | |
3363 | internal_a.bsize = bss_size; | |
3364 | internal_a.bss_start = internal_a.data_start + internal_a.dsize; | |
8fa0d3a0 | 3365 | |
c3fe0c41 | 3366 | internal_a.entry = bfd_get_start_address (abfd); |
8fa0d3a0 | 3367 | |
c3fe0c41 | 3368 | internal_a.gp_value = ecoff_data (abfd)->gp; |
8fa0d3a0 | 3369 | |
c3fe0c41 | 3370 | internal_a.gprmask = ecoff_data (abfd)->gprmask; |
5e462ed9 | 3371 | for (i = 0; i < 4; i++) |
c3fe0c41 | 3372 | internal_a.cprmask[i] = ecoff_data (abfd)->cprmask[i]; |
8fa0d3a0 ILT |
3373 | |
3374 | /* Write out the file header and the optional header. */ | |
3375 | ||
3376 | if (bfd_seek (abfd, (file_ptr) 0, SEEK_SET) != 0) | |
3377 | return false; | |
3378 | ||
3379 | { | |
3380 | FILHDR buff; | |
3381 | ecoff_swap_filehdr_out (abfd, (PTR) &internal_f, (PTR) &buff); | |
3382 | if (bfd_write ((PTR) &buff, 1, FILHSZ, abfd) != FILHSZ) | |
3383 | return false; | |
3384 | } | |
3385 | ||
c3fe0c41 ILT |
3386 | { |
3387 | AOUTHDR buff; | |
3388 | ||
3389 | ecoff_swap_aouthdr_out (abfd, (PTR) &internal_a, (PTR) &buff); | |
3390 | if (bfd_write ((PTR) &buff, 1, AOUTSZ, abfd) != AOUTSZ) | |
3391 | return false; | |
3392 | } | |
3393 | ||
3394 | /* Write out the relocs. */ | |
3395 | for (current = abfd->sections; | |
3396 | current != (asection *) NULL; | |
3397 | current = current->next) | |
8fa0d3a0 | 3398 | { |
c3fe0c41 ILT |
3399 | RELOC *buff; |
3400 | arelent **reloc_ptr_ptr; | |
3401 | arelent **reloc_end; | |
3402 | RELOC *out_ptr; | |
3403 | ||
3404 | if (current->reloc_count == 0) | |
3405 | continue; | |
8fa0d3a0 | 3406 | |
c3fe0c41 ILT |
3407 | buff = (RELOC *) bfd_alloc (abfd, current->reloc_count * RELSZ); |
3408 | if (buff == (RELOC *) NULL) | |
3409 | { | |
3410 | bfd_error = no_memory; | |
3411 | return false; | |
3412 | } | |
3413 | ||
3414 | reloc_ptr_ptr = current->orelocation; | |
3415 | reloc_end = reloc_ptr_ptr + current->reloc_count; | |
3416 | out_ptr = buff; | |
3417 | for (; reloc_ptr_ptr < reloc_end; reloc_ptr_ptr++, out_ptr++) | |
3418 | { | |
3419 | arelent *reloc; | |
3420 | asymbol *sym; | |
3421 | struct internal_reloc in; | |
3422 | ||
3423 | memset (&in, 0, sizeof in); | |
3424 | ||
3425 | reloc = *reloc_ptr_ptr; | |
3426 | sym = *reloc->sym_ptr_ptr; | |
3427 | ||
3428 | in.r_vaddr = reloc->address + bfd_get_section_vma (abfd, current); | |
3429 | in.r_type = reloc->howto->type; | |
3430 | if ((sym->flags & BSF_SECTION_SYM) == 0) | |
3431 | { | |
3432 | in.r_symndx = ecoff_get_sym_index (*reloc->sym_ptr_ptr); | |
3433 | in.r_extern = 1; | |
3434 | } | |
3435 | else | |
3436 | { | |
3437 | CONST char *name; | |
3438 | ||
3439 | name = bfd_get_section_name (abfd, bfd_get_section (sym)); | |
3440 | if (strcmp (name, ".text") == 0) | |
3441 | in.r_symndx = RELOC_SECTION_TEXT; | |
3442 | else if (strcmp (name, ".rdata") == 0) | |
3443 | in.r_symndx = RELOC_SECTION_RDATA; | |
3444 | else if (strcmp (name, ".data") == 0) | |
3445 | in.r_symndx = RELOC_SECTION_DATA; | |
3446 | else if (strcmp (name, ".sdata") == 0) | |
3447 | in.r_symndx = RELOC_SECTION_SDATA; | |
3448 | else if (strcmp (name, ".sbss") == 0) | |
3449 | in.r_symndx = RELOC_SECTION_SBSS; | |
3450 | else if (strcmp (name, ".bss") == 0) | |
3451 | in.r_symndx = RELOC_SECTION_BSS; | |
3452 | else if (strcmp (name, ".init") == 0) | |
3453 | in.r_symndx = RELOC_SECTION_INIT; | |
3454 | else if (strcmp (name, ".lit8") == 0) | |
3455 | in.r_symndx = RELOC_SECTION_LIT8; | |
3456 | else if (strcmp (name, ".lit4") == 0) | |
3457 | in.r_symndx = RELOC_SECTION_LIT4; | |
3458 | else | |
3459 | abort (); | |
3460 | in.r_extern = 0; | |
3461 | } | |
3462 | ||
3463 | ecoff_swap_reloc_out (abfd, (PTR) &in, (PTR) out_ptr); | |
3464 | } | |
3465 | ||
3466 | if (bfd_seek (abfd, current->rel_filepos, SEEK_SET) != 0) | |
8fa0d3a0 | 3467 | return false; |
c3fe0c41 ILT |
3468 | if (bfd_write ((PTR) buff, RELSZ, current->reloc_count, abfd) |
3469 | != RELSZ * current->reloc_count) | |
3470 | return false; | |
3471 | bfd_release (abfd, (PTR) buff); | |
8fa0d3a0 ILT |
3472 | } |
3473 | ||
8fa0d3a0 ILT |
3474 | /* Write out the symbolic debugging information. */ |
3475 | if (bfd_get_symcount (abfd) > 0) | |
3476 | { | |
c3fe0c41 ILT |
3477 | HDRR *symhdr; |
3478 | unsigned long sym_offset; | |
8fa0d3a0 ILT |
3479 | struct hdr_ext buff; |
3480 | ||
c3fe0c41 ILT |
3481 | /* Set up the offsets in the symbolic header. */ |
3482 | symhdr = &ecoff_data (abfd)->symbolic_header; | |
3483 | sym_offset = ecoff_data (abfd)->sym_filepos + sizeof (struct hdr_ext); | |
3484 | ||
3485 | #define SET(offset, size, ptr) \ | |
3486 | if (symhdr->size == 0) \ | |
3487 | symhdr->offset = 0; \ | |
3488 | else \ | |
3489 | symhdr->offset = (((char *) ecoff_data (abfd)->ptr \ | |
3490 | - (char *) ecoff_data (abfd)->raw_syments) \ | |
3491 | + sym_offset); | |
3492 | ||
3493 | SET (cbLineOffset, cbLine, line); | |
3494 | SET (cbDnOffset, idnMax, external_dnr); | |
3495 | SET (cbPdOffset, ipdMax, external_pdr); | |
3496 | SET (cbSymOffset, isymMax, external_sym); | |
3497 | SET (cbOptOffset, ioptMax, external_opt); | |
3498 | SET (cbAuxOffset, iauxMax, external_aux); | |
3499 | SET (cbSsOffset, issMax, ss); | |
3500 | SET (cbSsExtOffset, issExtMax, ssext); | |
3501 | SET (cbFdOffset, ifdMax, external_fdr); | |
3502 | SET (cbRfdOffset, crfd, external_rfd); | |
3503 | SET (cbExtOffset, iextMax, external_ext); | |
3504 | #undef SET | |
3505 | ||
3506 | if (bfd_seek (abfd, (file_ptr) ecoff_data (abfd)->sym_filepos, | |
3507 | SEEK_SET) != 0) | |
3508 | return false; | |
8fa0d3a0 ILT |
3509 | ecoff_swap_hdr_out (abfd, &ecoff_data (abfd)->symbolic_header, &buff); |
3510 | if (bfd_write ((PTR) &buff, 1, sizeof buff, abfd) != sizeof buff) | |
3511 | return false; | |
3512 | if (bfd_write ((PTR) ecoff_data (abfd)->raw_syments, 1, | |
3513 | ecoff_data (abfd)->raw_size, abfd) | |
3514 | != ecoff_data (abfd)->raw_size) | |
3515 | return false; | |
3516 | } | |
3517 | ||
3518 | return true; | |
3519 | } | |
3520 | \f | |
c3fe0c41 ILT |
3521 | /* Archive handling. ECOFF uses what appears to be a unique type of |
3522 | archive header (which I call an armap). The byte ordering of the | |
3523 | armap and the contents are encoded in the name of the armap itself. | |
3524 | At least for now, we only support archives with the same byte | |
3525 | ordering in the armap and the contents. | |
3526 | ||
3527 | The first four bytes in the armap are the number of symbol | |
23ba15b7 | 3528 | definitions. This is always a power of two. |
c3fe0c41 ILT |
3529 | |
3530 | This is followed by the symbol definitions. Each symbol definition | |
3531 | occupies 8 bytes. The first four bytes are the offset from the | |
3532 | start of the armap strings to the null-terminated string naming | |
3533 | this symbol. The second four bytes are the file offset to the | |
3534 | archive member which defines this symbol. If the second four bytes | |
3535 | are 0, then this is not actually a symbol definition, and it should | |
3536 | be ignored. | |
3537 | ||
23ba15b7 ILT |
3538 | The symbols are hashed into the armap with a closed hashing scheme. |
3539 | See the functions below for the details of the algorithm. | |
3540 | ||
3541 | We could use the hash table when looking up symbols in a library. | |
3542 | This would require a new BFD target entry point to replace the | |
3543 | bfd_get_next_mapent function used by the linker. | |
3544 | ||
c3fe0c41 ILT |
3545 | After the symbol definitions comes four bytes holding the size of |
3546 | the string table, followed by the string table itself. */ | |
3547 | ||
3548 | /* The name of an archive headers looks like this: | |
23ba15b7 ILT |
3549 | __________E[BL]E[BL]_ (with a trailing space). |
3550 | The trailing space is changed to an X if the archive is changed to | |
3551 | indicate that the armap is out of date. */ | |
c3fe0c41 ILT |
3552 | |
3553 | #define ARMAP_BIG_ENDIAN 'B' | |
3554 | #define ARMAP_LITTLE_ENDIAN 'L' | |
3555 | #define ARMAP_MARKER 'E' | |
3556 | #define ARMAP_START "__________" | |
3557 | #define ARMAP_HEADER_MARKER_INDEX 10 | |
3558 | #define ARMAP_HEADER_ENDIAN_INDEX 11 | |
3559 | #define ARMAP_OBJECT_MARKER_INDEX 12 | |
3560 | #define ARMAP_OBJECT_ENDIAN_INDEX 13 | |
3561 | #define ARMAP_END_INDEX 14 | |
3562 | #define ARMAP_END "_ " | |
3563 | ||
23ba15b7 ILT |
3564 | /* This is a magic number used in the hashing algorithm. */ |
3565 | #define ARMAP_HASH_MAGIC 0x9dd68ab5 | |
3566 | ||
3567 | /* This returns the hash value to use for a string. It also sets | |
3568 | *REHASH to the rehash adjustment if the first slot is taken. SIZE | |
3569 | is the number of entries in the hash table, and HLOG is the log | |
3570 | base 2 of SIZE. */ | |
3571 | ||
3572 | static unsigned int | |
3573 | ecoff_armap_hash (s, rehash, size, hlog) | |
3574 | CONST char *s; | |
3575 | unsigned int *rehash; | |
3576 | unsigned int size; | |
3577 | unsigned int hlog; | |
3578 | { | |
3579 | unsigned int hash; | |
3580 | ||
3581 | hash = *s++; | |
3582 | while (*s != '\0') | |
3583 | hash = ((hash >> 27) | (hash << 5)) + *s++; | |
3584 | hash *= ARMAP_HASH_MAGIC; | |
3585 | *rehash = (hash & (size - 1)) | 1; | |
3586 | return hash >> (32 - hlog); | |
3587 | } | |
3588 | ||
c3fe0c41 ILT |
3589 | /* Read in the armap. */ |
3590 | ||
3591 | static boolean | |
f6409552 ILT |
3592 | ecoff_slurp_armap (abfd) |
3593 | bfd *abfd; | |
c3fe0c41 ILT |
3594 | { |
3595 | char nextname[17]; | |
3596 | unsigned int i; | |
3597 | struct areltdata *mapdata; | |
3598 | bfd_size_type parsed_size; | |
3599 | char *raw_armap; | |
3600 | struct artdata *ardata; | |
3601 | unsigned int count; | |
3602 | char *raw_ptr; | |
3603 | struct symdef *symdef_ptr; | |
3604 | char *stringbase; | |
3605 | ||
3606 | /* Get the name of the first element. */ | |
3607 | i = bfd_read ((PTR) nextname, 1, 16, abfd); | |
3608 | if (i == 0) | |
3609 | return true; | |
3610 | if (i != 16) | |
3611 | return false; | |
3612 | ||
3613 | bfd_seek (abfd, (file_ptr) -16, SEEK_CUR); | |
3614 | ||
3615 | /* See if the first element is an armap. */ | |
3616 | if (strncmp (nextname, ARMAP_START, sizeof ARMAP_START - 1) != 0 | |
3617 | || nextname[ARMAP_HEADER_MARKER_INDEX] != ARMAP_MARKER | |
3618 | || (nextname[ARMAP_HEADER_ENDIAN_INDEX] != ARMAP_BIG_ENDIAN | |
3619 | && nextname[ARMAP_HEADER_ENDIAN_INDEX] != ARMAP_LITTLE_ENDIAN) | |
3620 | || nextname[ARMAP_OBJECT_MARKER_INDEX] != ARMAP_MARKER | |
3621 | || (nextname[ARMAP_OBJECT_ENDIAN_INDEX] != ARMAP_BIG_ENDIAN | |
3622 | && nextname[ARMAP_OBJECT_ENDIAN_INDEX] != ARMAP_LITTLE_ENDIAN) | |
3623 | || strncmp (nextname + ARMAP_END_INDEX, | |
3624 | ARMAP_END, sizeof ARMAP_END - 1) != 0) | |
3625 | { | |
3626 | bfd_has_map (abfd) = false; | |
3627 | return true; | |
3628 | } | |
3629 | ||
3630 | /* Make sure we have the right byte ordering. */ | |
3631 | if (((nextname[ARMAP_HEADER_ENDIAN_INDEX] == ARMAP_BIG_ENDIAN) | |
3632 | ^ (abfd->xvec->header_byteorder_big_p != false)) | |
6d18a99d | 3633 | || ((nextname[ARMAP_OBJECT_ENDIAN_INDEX] == ARMAP_BIG_ENDIAN) |
c3fe0c41 ILT |
3634 | ^ (abfd->xvec->byteorder_big_p != false))) |
3635 | { | |
3636 | bfd_error = wrong_format; | |
3637 | return false; | |
3638 | } | |
3639 | ||
3640 | /* Read in the armap. */ | |
3641 | ardata = bfd_ardata (abfd); | |
3642 | mapdata = snarf_ar_hdr (abfd); | |
3643 | if (mapdata == (struct areltdata *) NULL) | |
3644 | return false; | |
3645 | parsed_size = mapdata->parsed_size; | |
3646 | bfd_release (abfd, (PTR) mapdata); | |
3647 | ||
3648 | raw_armap = (char *) bfd_alloc (abfd, parsed_size); | |
3649 | if (raw_armap == (char *) NULL) | |
3650 | { | |
3651 | bfd_error = no_memory; | |
3652 | return false; | |
3653 | } | |
3654 | ||
3655 | if (bfd_read ((PTR) raw_armap, 1, parsed_size, abfd) != parsed_size) | |
3656 | { | |
3657 | bfd_error = malformed_archive; | |
3658 | bfd_release (abfd, (PTR) raw_armap); | |
3659 | return false; | |
3660 | } | |
3661 | ||
3662 | count = bfd_h_get_32 (abfd, (PTR) raw_armap); | |
3663 | ||
3664 | ardata->symdef_count = 0; | |
3665 | ardata->cache = (struct ar_cache *) NULL; | |
3666 | ||
3667 | /* Hack: overlay the symdefs on top of the raw archive data. This | |
3668 | is the way do_slurp_bsd_armap works. */ | |
3669 | raw_ptr = raw_armap + LONG_SIZE; | |
3670 | symdef_ptr = (struct symdef *) raw_ptr; | |
3671 | ardata->symdefs = (carsym *) symdef_ptr; | |
3672 | stringbase = raw_ptr + count * (2 * LONG_SIZE) + LONG_SIZE; | |
3673 | ||
23ba15b7 ILT |
3674 | #ifdef CHECK_ARMAP_HASH |
3675 | { | |
3676 | unsigned int hlog; | |
3677 | ||
3678 | /* Double check that I have the hashing algorithm right by making | |
3679 | sure that every symbol can be looked up successfully. */ | |
3680 | hlog = 0; | |
3681 | for (i = 1; i < count; i <<= 1) | |
3682 | hlog++; | |
3683 | BFD_ASSERT (i == count); | |
3684 | ||
3685 | for (i = 0; i < count; i++, raw_ptr += 2 * LONG_SIZE) | |
3686 | { | |
3687 | unsigned int name_offset, file_offset; | |
3688 | unsigned int hash, rehash, srch; | |
3689 | ||
3690 | name_offset = bfd_h_get_32 (abfd, (PTR) raw_ptr); | |
3691 | file_offset = bfd_h_get_32 (abfd, (PTR) (raw_ptr + LONG_SIZE)); | |
3692 | if (file_offset == 0) | |
3693 | continue; | |
3694 | hash = ecoff_armap_hash (stringbase + name_offset, &rehash, count, | |
3695 | hlog); | |
3696 | if (hash == i) | |
3697 | continue; | |
3698 | ||
3699 | /* See if we can rehash to this location. */ | |
3700 | for (srch = (hash + rehash) & (count - 1); | |
3701 | srch != hash && srch != i; | |
3702 | srch = (srch + rehash) & (count - 1)) | |
3703 | BFD_ASSERT (bfd_h_get_32 (abfd, | |
3704 | (PTR) (raw_armap | |
3705 | + LONG_SIZE | |
3706 | + (srch * 2 * LONG_SIZE) | |
3707 | + LONG_SIZE)) | |
3708 | != 0); | |
3709 | BFD_ASSERT (srch == i); | |
3710 | } | |
3711 | } | |
3712 | ||
3713 | raw_ptr = raw_armap + LONG_SIZE; | |
3714 | #endif /* CHECK_ARMAP_HASH */ | |
3715 | ||
c3fe0c41 ILT |
3716 | for (i = 0; i < count; i++, raw_ptr += 2 * LONG_SIZE) |
3717 | { | |
23ba15b7 | 3718 | unsigned int name_offset, file_offset; |
c3fe0c41 ILT |
3719 | |
3720 | name_offset = bfd_h_get_32 (abfd, (PTR) raw_ptr); | |
3721 | file_offset = bfd_h_get_32 (abfd, (PTR) (raw_ptr + LONG_SIZE)); | |
3722 | if (file_offset == 0) | |
3723 | continue; | |
3724 | symdef_ptr->s.name = stringbase + name_offset; | |
3725 | symdef_ptr->file_offset = file_offset; | |
3726 | ++symdef_ptr; | |
3727 | ++ardata->symdef_count; | |
3728 | } | |
3729 | ||
3730 | ardata->first_file_filepos = bfd_tell (abfd); | |
3731 | /* Pad to an even boundary. */ | |
3732 | ardata->first_file_filepos += ardata->first_file_filepos % 2; | |
3733 | ||
3734 | bfd_has_map (abfd) = true; | |
3735 | ||
3736 | return true; | |
3737 | } | |
3738 | ||
3739 | /* Write out an armap. */ | |
3740 | ||
3741 | static boolean | |
f6409552 ILT |
3742 | ecoff_write_armap (abfd, elength, map, orl_count, stridx) |
3743 | bfd *abfd; | |
3744 | unsigned int elength; | |
3745 | struct orl *map; | |
3746 | unsigned int orl_count; | |
3747 | int stridx; | |
c3fe0c41 | 3748 | { |
23ba15b7 | 3749 | unsigned int hashsize, hashlog; |
c3fe0c41 ILT |
3750 | unsigned int symdefsize; |
3751 | int padit; | |
3752 | unsigned int stringsize; | |
3753 | unsigned int mapsize; | |
3754 | file_ptr firstreal; | |
3755 | struct ar_hdr hdr; | |
3756 | struct stat statbuf; | |
3757 | unsigned int i; | |
23ba15b7 ILT |
3758 | bfd_byte temp[LONG_SIZE]; |
3759 | bfd_byte *hashtable; | |
c3fe0c41 ILT |
3760 | bfd *current; |
3761 | bfd *last_elt; | |
3762 | ||
23ba15b7 ILT |
3763 | /* Ultrix appears to use as a hash table size the least power of two |
3764 | greater than twice the number of entries. */ | |
3765 | for (hashlog = 0; (1 << hashlog) <= 2 * orl_count; hashlog++) | |
3766 | ; | |
3767 | hashsize = 1 << hashlog; | |
3768 | ||
3769 | symdefsize = hashsize * 2 * LONG_SIZE; | |
c3fe0c41 ILT |
3770 | padit = stridx % 2; |
3771 | stringsize = stridx + padit; | |
3772 | ||
3773 | /* Include 8 bytes to store symdefsize and stringsize in output. */ | |
23ba15b7 | 3774 | mapsize = LONG_SIZE + symdefsize + stringsize + LONG_SIZE; |
c3fe0c41 ILT |
3775 | |
3776 | firstreal = SARMAG + sizeof (struct ar_hdr) + mapsize + elength; | |
3777 | ||
3778 | memset ((PTR) &hdr, 0, sizeof hdr); | |
3779 | ||
3780 | /* Work out the ECOFF armap name. */ | |
3781 | strcpy (hdr.ar_name, ARMAP_START); | |
3782 | hdr.ar_name[ARMAP_HEADER_MARKER_INDEX] = ARMAP_MARKER; | |
3783 | hdr.ar_name[ARMAP_HEADER_ENDIAN_INDEX] = | |
3784 | (abfd->xvec->header_byteorder_big_p | |
3785 | ? ARMAP_BIG_ENDIAN | |
3786 | : ARMAP_LITTLE_ENDIAN); | |
3787 | hdr.ar_name[ARMAP_OBJECT_MARKER_INDEX] = ARMAP_MARKER; | |
3788 | hdr.ar_name[ARMAP_OBJECT_ENDIAN_INDEX] = | |
3789 | abfd->xvec->byteorder_big_p ? ARMAP_BIG_ENDIAN : ARMAP_LITTLE_ENDIAN; | |
3790 | memcpy (hdr.ar_name + ARMAP_END_INDEX, ARMAP_END, sizeof ARMAP_END - 1); | |
3791 | ||
3792 | /* Write the timestamp of the archive header to be just a little bit | |
3793 | later than the timestamp of the file, otherwise the linker will | |
23ba15b7 ILT |
3794 | complain that the index is out of date. Actually, the Ultrix |
3795 | linker just checks the archive name; the GNU linker may check the | |
3796 | date. */ | |
f6409552 | 3797 | stat (abfd->filename, &statbuf); |
c3fe0c41 ILT |
3798 | sprintf (hdr.ar_date, "%ld", (long) (statbuf.st_mtime + 60)); |
3799 | ||
3800 | /* The DECstation uses zeroes for the uid, gid and mode of the | |
3801 | armap. */ | |
3802 | hdr.ar_uid[0] = '0'; | |
3803 | hdr.ar_gid[0] = '0'; | |
3804 | hdr.ar_mode[0] = '0'; | |
3805 | ||
3806 | sprintf (hdr.ar_size, "%-10d", (int) mapsize); | |
3807 | ||
3808 | hdr.ar_fmag[0] = '`'; | |
3809 | hdr.ar_fmag[1] = '\n'; | |
3810 | ||
3811 | /* Turn all null bytes in the header into spaces. */ | |
3812 | for (i = 0; i < sizeof (struct ar_hdr); i++) | |
3813 | if (((char *)(&hdr))[i] == '\0') | |
3814 | (((char *)(&hdr))[i]) = ' '; | |
3815 | ||
23ba15b7 ILT |
3816 | if (bfd_write ((PTR) &hdr, 1, sizeof (struct ar_hdr), abfd) |
3817 | != sizeof (struct ar_hdr)) | |
3818 | return false; | |
c3fe0c41 | 3819 | |
23ba15b7 ILT |
3820 | bfd_h_put_32 (abfd, hashsize, temp); |
3821 | if (bfd_write (temp, 1, LONG_SIZE, abfd) != LONG_SIZE) | |
3822 | return false; | |
c3fe0c41 | 3823 | |
23ba15b7 ILT |
3824 | hashtable = (bfd_byte *) bfd_zalloc (abfd, symdefsize); |
3825 | ||
c3fe0c41 ILT |
3826 | current = abfd->archive_head; |
3827 | last_elt = current; | |
3828 | for (i = 0; i < orl_count; i++) | |
3829 | { | |
23ba15b7 | 3830 | unsigned int hash, rehash; |
c3fe0c41 ILT |
3831 | |
3832 | /* Advance firstreal to the file position of this archive | |
3833 | element. */ | |
3834 | if (((bfd *) map[i].pos) != last_elt) | |
3835 | { | |
3836 | do | |
3837 | { | |
3838 | firstreal += arelt_size (current) + sizeof (struct ar_hdr); | |
3839 | firstreal += firstreal % 2; | |
3840 | current = current->next; | |
3841 | } | |
3842 | while (current != (bfd *) map[i].pos); | |
3843 | } | |
3844 | ||
3845 | last_elt = current; | |
3846 | ||
23ba15b7 ILT |
3847 | hash = ecoff_armap_hash (*map[i].name, &rehash, hashsize, hashlog); |
3848 | if (bfd_h_get_32 (abfd, (PTR) (hashtable | |
3849 | + (hash * 2 * LONG_SIZE) | |
3850 | + LONG_SIZE)) | |
3851 | != 0) | |
3852 | { | |
3853 | unsigned int srch; | |
3854 | ||
3855 | /* The desired slot is already taken. */ | |
3856 | for (srch = (hash + rehash) & (hashsize - 1); | |
3857 | srch != hash; | |
3858 | srch = (srch + rehash) & (hashsize - 1)) | |
3859 | if (bfd_h_get_32 (abfd, (PTR) (hashtable | |
3860 | + (srch * 2 * LONG_SIZE) | |
3861 | + LONG_SIZE)) | |
3862 | == 0) | |
3863 | break; | |
3864 | ||
3865 | BFD_ASSERT (srch != hash); | |
3866 | ||
3867 | hash = srch; | |
3868 | } | |
3869 | ||
3870 | bfd_h_put_32 (abfd, map[i].namidx, | |
3871 | (PTR) (hashtable + hash * 2 * LONG_SIZE)); | |
3872 | bfd_h_put_32 (abfd, firstreal, | |
3873 | (PTR) (hashtable + hash * 2 * LONG_SIZE + LONG_SIZE)); | |
c3fe0c41 ILT |
3874 | } |
3875 | ||
23ba15b7 ILT |
3876 | if (bfd_write (hashtable, 1, symdefsize, abfd) != symdefsize) |
3877 | return false; | |
3878 | ||
3879 | bfd_release (abfd, hashtable); | |
3880 | ||
c3fe0c41 ILT |
3881 | /* Now write the strings. */ |
3882 | bfd_h_put_32 (abfd, stringsize, temp); | |
23ba15b7 ILT |
3883 | if (bfd_write (temp, 1, LONG_SIZE, abfd) != LONG_SIZE) |
3884 | return false; | |
c3fe0c41 | 3885 | for (i = 0; i < orl_count; i++) |
23ba15b7 ILT |
3886 | { |
3887 | bfd_size_type len; | |
3888 | ||
3889 | len = strlen (*map[i].name) + 1; | |
3890 | if (bfd_write ((PTR) (*map[i].name), 1, len, abfd) != len) | |
3891 | return false; | |
3892 | } | |
c3fe0c41 ILT |
3893 | |
3894 | /* The spec sez this should be a newline. But in order to be | |
3895 | bug-compatible for DECstation ar we use a null. */ | |
3896 | if (padit) | |
23ba15b7 ILT |
3897 | { |
3898 | if (bfd_write ("\0", 1, 1, abfd) != 1) | |
3899 | return false; | |
3900 | } | |
c3fe0c41 ILT |
3901 | |
3902 | return true; | |
3903 | } | |
3904 | ||
3905 | /* We just use the generic extended name support. This is a GNU | |
3906 | extension. */ | |
3907 | #define ecoff_slurp_extended_name_table _bfd_slurp_extended_name_table | |
3908 | ||
3909 | /* See whether this BFD is an archive. If it is, read in the armap | |
3910 | and the extended name table. */ | |
3911 | ||
3912 | static bfd_target * | |
f6409552 ILT |
3913 | ecoff_archive_p (abfd) |
3914 | bfd *abfd; | |
c3fe0c41 ILT |
3915 | { |
3916 | char armag[SARMAG + 1]; | |
3917 | ||
3918 | if (bfd_read ((PTR) armag, 1, SARMAG, abfd) != SARMAG | |
3919 | || strncmp (armag, ARMAG, SARMAG) != 0) | |
3920 | { | |
3921 | bfd_error = wrong_format; | |
3922 | return (bfd_target *) NULL; | |
3923 | } | |
3924 | ||
3925 | /* We are setting bfd_ardata(abfd) here, but since bfd_ardata | |
3926 | involves a cast, we can't do it as the left operand of | |
3927 | assignment. */ | |
3928 | abfd->tdata.aout_ar_data = | |
3929 | (struct artdata *) bfd_zalloc (abfd, sizeof (struct artdata)); | |
3930 | ||
3931 | if (bfd_ardata (abfd) == (struct artdata *) NULL) | |
3932 | { | |
3933 | bfd_error = no_memory; | |
3934 | return (bfd_target *) NULL; | |
3935 | } | |
3936 | ||
3937 | bfd_ardata (abfd)->first_file_filepos = SARMAG; | |
3938 | ||
3939 | if (ecoff_slurp_armap (abfd) == false | |
3940 | || ecoff_slurp_extended_name_table (abfd) == false) | |
3941 | { | |
3942 | bfd_release (abfd, bfd_ardata (abfd)); | |
3943 | abfd->tdata.aout_ar_data = (struct artdata *) NULL; | |
3944 | return (bfd_target *) NULL; | |
3945 | } | |
3946 | ||
3947 | return abfd->xvec; | |
3948 | } | |
3949 | \f | |
f6409552 ILT |
3950 | /* This is the COFF backend structure. The backend_data field of the |
3951 | bfd_target structure is set to this. The section reading code in | |
3952 | coffgen.c uses this structure. */ | |
3953 | ||
515c4292 ILT |
3954 | static CONST bfd_coff_backend_data bfd_ecoff_std_swap_table = { |
3955 | (void (*) PARAMS ((bfd *,PTR,int,int,PTR))) bfd_void, /* aux_in */ | |
3956 | (void (*) PARAMS ((bfd *,PTR,PTR))) bfd_void, /* sym_in */ | |
3957 | (void (*) PARAMS ((bfd *,PTR,PTR))) bfd_void, /* lineno_in */ | |
3958 | (unsigned (*) PARAMS ((bfd *,PTR,int,int,PTR))) bfd_void, /* aux_out */ | |
3959 | (unsigned (*) PARAMS ((bfd *,PTR,PTR))) bfd_void, /* sym_out */ | |
3960 | (unsigned (*) PARAMS ((bfd *,PTR,PTR))) bfd_void, /* lineno_out */ | |
3961 | ecoff_swap_reloc_out, ecoff_swap_filehdr_out, ecoff_swap_aouthdr_out, | |
3962 | ecoff_swap_scnhdr_out, | |
3963 | FILHSZ, AOUTSZ, SCNHSZ, 0, 0, 0, true, | |
3964 | ecoff_swap_filehdr_in, ecoff_swap_aouthdr_in, ecoff_swap_scnhdr_in, | |
3965 | ecoff_bad_format_hook, ecoff_set_arch_mach_hook, ecoff_mkobject_hook, | |
f6409552 | 3966 | ecoff_styp_to_sec_flags, ecoff_make_section_hook, ecoff_set_alignment_hook, |
515c4292 ILT |
3967 | ecoff_slurp_symbol_table |
3968 | }; | |
3969 | ||
515c4292 ILT |
3970 | /* get_lineno could be written for ECOFF, but it would currently only |
3971 | be useful for linking ECOFF and COFF files together, which doesn't | |
3972 | seem too likely. */ | |
8fa0d3a0 ILT |
3973 | #define ecoff_get_lineno \ |
3974 | ((alent *(*) PARAMS ((bfd *, asymbol *))) bfd_nullvoidptr) | |
515c4292 | 3975 | |
f6409552 ILT |
3976 | /* These bfd_target functions are defined in other files. */ |
3977 | ||
515c4292 ILT |
3978 | #define ecoff_core_file_failing_command _bfd_dummy_core_file_failing_command |
3979 | #define ecoff_core_file_failing_signal _bfd_dummy_core_file_failing_signal | |
f6409552 ILT |
3980 | #define ecoff_core_file_matches_executable_p \ |
3981 | _bfd_dummy_core_file_matches_executable_p | |
515c4292 ILT |
3982 | #define ecoff_truncate_arname bfd_dont_truncate_arname |
3983 | #define ecoff_openr_next_archived_file bfd_generic_openr_next_archived_file | |
3984 | #define ecoff_generic_stat_arch_elt bfd_generic_stat_arch_elt | |
3985 | #define ecoff_get_section_contents bfd_generic_get_section_contents | |
8fa0d3a0 | 3986 | #define ecoff_get_reloc_upper_bound coff_get_reloc_upper_bound |
515c4292 | 3987 | #define ecoff_close_and_cleanup bfd_generic_close_and_cleanup |
515c4292 | 3988 | #define ecoff_bfd_debug_info_start bfd_void |
8fa0d3a0 | 3989 | #define ecoff_bfd_debug_info_end bfd_void |
515c4292 | 3990 | #define ecoff_bfd_debug_info_accumulate \ |
8fa0d3a0 | 3991 | ((void (*) PARAMS ((bfd *, struct sec *))) bfd_void) |
f6409552 ILT |
3992 | #define ecoff_bfd_get_relocated_section_contents \ |
3993 | bfd_generic_get_relocated_section_contents | |
515c4292 | 3994 | #define ecoff_bfd_relax_section bfd_generic_relax_section |
c9301d7b | 3995 | |
1327fb29 | 3996 | bfd_target ecoff_little_vec = |
294eaca4 SC |
3997 | { |
3998 | "ecoff-littlemips", /* name */ | |
515c4292 | 3999 | bfd_target_ecoff_flavour, |
294eaca4 SC |
4000 | false, /* data byte order is little */ |
4001 | false, /* header byte order is little */ | |
4002 | ||
4003 | (HAS_RELOC | EXEC_P | /* object flags */ | |
4004 | HAS_LINENO | HAS_DEBUG | | |
4005 | HAS_SYMS | HAS_LOCALS | DYNAMIC | WP_TEXT), | |
4006 | ||
4007 | (SEC_HAS_CONTENTS | SEC_ALLOC | SEC_LOAD | SEC_RELOC), /* sect | |
4008 | flags */ | |
4009 | 0, /* leading underscore */ | |
4010 | '/', /* ar_pad_char */ | |
4011 | 15, /* ar_max_namelen */ | |
4012 | 3, /* minimum alignment power */ | |
4013 | _do_getl64, _do_putl64, _do_getl32, _do_putl32, _do_getl16, _do_putl16, /* data */ | |
4014 | _do_getl64, _do_putl64, _do_getl32, _do_putl32, _do_getl16, _do_putl16, /* hdrs */ | |
4015 | ||
515c4292 | 4016 | {_bfd_dummy_target, coff_object_p, /* bfd_check_format */ |
c3fe0c41 ILT |
4017 | ecoff_archive_p, _bfd_dummy_target}, |
4018 | {bfd_false, ecoff_mkobject, _bfd_generic_mkarchive, /* bfd_set_format */ | |
4019 | bfd_false}, | |
4020 | {bfd_false, ecoff_write_object_contents, /* bfd_write_contents */ | |
4021 | _bfd_write_archive_contents, bfd_false}, | |
515c4292 ILT |
4022 | JUMP_TABLE (ecoff), |
4023 | 0, 0, | |
4024 | (PTR) &bfd_ecoff_std_swap_table | |
4025 | }; | |
1327fb29 SC |
4026 | |
4027 | bfd_target ecoff_big_vec = | |
294eaca4 SC |
4028 | { |
4029 | "ecoff-bigmips", /* name */ | |
515c4292 | 4030 | bfd_target_ecoff_flavour, |
294eaca4 SC |
4031 | true, /* data byte order is big */ |
4032 | true, /* header byte order is big */ | |
4033 | ||
4034 | (HAS_RELOC | EXEC_P | /* object flags */ | |
4035 | HAS_LINENO | HAS_DEBUG | | |
4036 | HAS_SYMS | HAS_LOCALS | DYNAMIC | WP_TEXT), | |
4037 | ||
4038 | (SEC_HAS_CONTENTS | SEC_ALLOC | SEC_LOAD | SEC_RELOC), /* sect flags */ | |
4039 | 0, /* leading underscore */ | |
4040 | ' ', /* ar_pad_char */ | |
4041 | 16, /* ar_max_namelen */ | |
4042 | 3, /* minimum alignment power */ | |
4043 | _do_getb64, _do_putb64, _do_getb32, _do_putb32, _do_getb16, _do_putb16, | |
4044 | _do_getb64, _do_putb64, _do_getb32, _do_putb32, _do_getb16, _do_putb16, | |
4045 | {_bfd_dummy_target, coff_object_p, /* bfd_check_format */ | |
c3fe0c41 ILT |
4046 | ecoff_archive_p, _bfd_dummy_target}, |
4047 | {bfd_false, ecoff_mkobject, _bfd_generic_mkarchive, /* bfd_set_format */ | |
4048 | bfd_false}, | |
515c4292 | 4049 | {bfd_false, ecoff_write_object_contents, /* bfd_write_contents */ |
c3fe0c41 | 4050 | _bfd_write_archive_contents, bfd_false}, |
515c4292 ILT |
4051 | JUMP_TABLE(ecoff), |
4052 | 0, 0, | |
4053 | (PTR) &bfd_ecoff_std_swap_table | |
4054 | /* Note that there is another bfd_target just above this one. If | |
4055 | you are adding initializers here, you should be adding them there | |
4056 | as well. */ | |
4057 | }; |