Commit | Line | Data |
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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 | 62 | /* The page boundary used to align sections in the executable file. */ |
14e3c2e4 | 63 | #define ROUND_SIZE 0x1000 |
c3fe0c41 | 64 | |
5e462ed9 ILT |
65 | /* The linker needs a section to hold small common variables while |
66 | linking. There is no convenient way to create it when the linker | |
67 | needs it, so we always create one for each BFD. We then avoid | |
68 | writing it out. */ | |
69 | #define SCOMMON ".scommon" | |
70 | ||
515c4292 ILT |
71 | /* MIPS ECOFF has COFF sections, but the debugging information is |
72 | stored in a completely different format. This files uses the some | |
73 | of the swapping routines from coffswap.h, and some of the generic | |
74 | COFF routines in coffgen.c, but, unlike the real COFF targets, does | |
75 | not use coffcode.h itself. */ | |
f6409552 ILT |
76 | \f |
77 | /* Prototypes for static functions. */ | |
78 | ||
79 | static boolean ecoff_bad_format_hook PARAMS ((bfd *abfd, PTR filehdr)); | |
80 | static asection *ecoff_make_section_hook PARAMS ((bfd *abfd, char *name)); | |
81 | static boolean ecoff_new_section_hook PARAMS ((bfd *abfd, asection *section)); | |
82 | static boolean ecoff_mkobject PARAMS ((bfd *abfd)); | |
83 | static PTR ecoff_mkobject_hook PARAMS ((bfd *abfd, PTR filehdr, PTR aouthdr)); | |
84 | static boolean ecoff_set_arch_mach_hook PARAMS ((bfd *abfd, PTR filehdr)); | |
85 | static long ecoff_sec_to_styp_flags PARAMS ((CONST char *name, | |
86 | flagword flags)); | |
87 | static flagword ecoff_styp_to_sec_flags PARAMS ((bfd *abfd, PTR hdr)); | |
f6409552 ILT |
88 | static asymbol *ecoff_make_empty_symbol PARAMS ((bfd *abfd)); |
89 | static void ecoff_set_symbol_info PARAMS ((bfd *abfd, SYMR *ecoff_sym, | |
90 | asymbol *asym, int ext)); | |
91 | static boolean ecoff_slurp_symbol_table PARAMS ((bfd *abfd)); | |
92 | static unsigned int ecoff_get_symtab_upper_bound PARAMS ((bfd *abfd)); | |
93 | static unsigned int ecoff_get_symtab PARAMS ((bfd *abfd, | |
94 | asymbol **alocation)); | |
95 | static void ecoff_emit_aggregate PARAMS ((bfd *abfd, char *string, | |
96 | RNDXR *rndx, long isym, | |
97 | CONST char *which)); | |
98 | static char *ecoff_type_to_string PARAMS ((bfd *abfd, union aux_ext *aux_ptr, | |
99 | int indx, int bigendian)); | |
100 | static void ecoff_print_symbol PARAMS ((bfd *abfd, PTR filep, | |
101 | asymbol *symbol, | |
102 | bfd_print_symbol_type how)); | |
103 | static void ecoff_swap_reloc_in PARAMS ((bfd *abfd, RELOC *ext, | |
104 | struct internal_reloc *intern)); | |
105 | static unsigned int ecoff_swap_reloc_out PARAMS ((bfd *abfd, PTR src, | |
106 | PTR dst)); | |
107 | static bfd_reloc_status_type ecoff_generic_reloc PARAMS ((bfd *abfd, | |
108 | arelent *reloc, | |
109 | asymbol *symbol, | |
110 | PTR data, | |
111 | asection *section, | |
112 | bfd *output_bfd)); | |
113 | static bfd_reloc_status_type ecoff_refhi_reloc PARAMS ((bfd *abfd, | |
114 | arelent *reloc, | |
115 | asymbol *symbol, | |
116 | PTR data, | |
117 | asection *section, | |
118 | bfd *output_bfd)); | |
46bc1bf6 ILT |
119 | static bfd_reloc_status_type ecoff_reflo_reloc PARAMS ((bfd *abfd, |
120 | arelent *reloc, | |
121 | asymbol *symbol, | |
122 | PTR data, | |
123 | asection *section, | |
124 | bfd *output_bfd)); | |
f6409552 ILT |
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)); | |
f68d8549 ILT |
137 | static CONST struct reloc_howto_struct *ecoff_bfd_reloc_type_lookup |
138 | PARAMS ((bfd *abfd, bfd_reloc_code_real_type code)); | |
f6409552 ILT |
139 | static boolean ecoff_find_nearest_line PARAMS ((bfd *abfd, |
140 | asection *section, | |
141 | asymbol **symbols, | |
142 | bfd_vma offset, | |
143 | CONST char **filename_ptr, | |
144 | CONST char **fnname_ptr, | |
145 | unsigned int *retline_ptr)); | |
146 | static void ecoff_clear_output_flags PARAMS ((bfd *abfd)); | |
147 | static boolean ecoff_rel PARAMS ((bfd *output_bfd, bfd_seclet_type *seclet, | |
148 | asection *output_section, PTR data, | |
149 | boolean relocateable)); | |
150 | static boolean ecoff_dump_seclet PARAMS ((bfd *abfd, bfd_seclet_type *seclet, | |
151 | asection *section, PTR data, | |
152 | boolean relocateable)); | |
153 | static long ecoff_add_string PARAMS ((bfd *output_bfd, FDR *fdr, | |
154 | CONST char *string, boolean external)); | |
155 | static boolean ecoff_get_debug PARAMS ((bfd *output_bfd, | |
156 | bfd_seclet_type *seclet, | |
157 | asection *section, | |
158 | boolean relocateable)); | |
159 | static boolean ecoff_bfd_seclet_link PARAMS ((bfd *abfd, PTR data, | |
160 | boolean relocateable)); | |
161 | static boolean ecoff_set_arch_mach PARAMS ((bfd *abfd, | |
162 | enum bfd_architecture arch, | |
163 | unsigned long machine)); | |
164 | static int ecoff_sizeof_headers PARAMS ((bfd *abfd, boolean reloc)); | |
165 | static void ecoff_compute_section_file_positions PARAMS ((bfd *abfd)); | |
166 | static boolean ecoff_set_section_contents PARAMS ((bfd *abfd, | |
167 | asection *section, | |
168 | PTR location, | |
169 | file_ptr offset, | |
170 | bfd_size_type count)); | |
171 | static boolean ecoff_write_object_contents PARAMS ((bfd *abfd)); | |
172 | static unsigned int ecoff_armap_hash PARAMS ((CONST char *s, | |
173 | unsigned int *rehash, | |
174 | unsigned int size, | |
175 | unsigned int hlog)); | |
176 | static boolean ecoff_slurp_armap PARAMS ((bfd *abfd)); | |
177 | static boolean ecoff_write_armap PARAMS ((bfd *abfd, unsigned int elength, | |
178 | struct orl *map, | |
179 | unsigned int orl_count, | |
180 | int stridx)); | |
181 | static bfd_target *ecoff_archive_p PARAMS ((bfd *abfd)); | |
182 | \f | |
8fa0d3a0 ILT |
183 | /* Get the generic COFF swapping routines, except for the reloc, |
184 | symbol, and lineno ones. Give them ecoff names. */ | |
c3fe0c41 | 185 | #define MIPSECOFF |
8fa0d3a0 | 186 | #define NO_COFF_RELOCS |
515c4292 ILT |
187 | #define NO_COFF_SYMBOLS |
188 | #define NO_COFF_LINENOS | |
515c4292 ILT |
189 | #define coff_swap_filehdr_in ecoff_swap_filehdr_in |
190 | #define coff_swap_filehdr_out ecoff_swap_filehdr_out | |
191 | #define coff_swap_aouthdr_in ecoff_swap_aouthdr_in | |
192 | #define coff_swap_aouthdr_out ecoff_swap_aouthdr_out | |
193 | #define coff_swap_scnhdr_in ecoff_swap_scnhdr_in | |
194 | #define coff_swap_scnhdr_out ecoff_swap_scnhdr_out | |
195 | #include "coffswap.h" | |
196 | \f | |
197 | /* This stuff is somewhat copied from coffcode.h. */ | |
198 | ||
199 | static asection bfd_debug_section = { "*DEBUG*" }; | |
200 | ||
201 | /* See whether the magic number matches. */ | |
202 | ||
203 | static boolean | |
f6409552 ILT |
204 | ecoff_bad_format_hook (abfd, filehdr) |
205 | bfd *abfd; | |
206 | PTR filehdr; | |
515c4292 ILT |
207 | { |
208 | struct internal_filehdr *internal_f = (struct internal_filehdr *) filehdr; | |
209 | ||
210 | if (ECOFFBADMAG (*internal_f)) | |
211 | return false; | |
212 | ||
213 | return true; | |
214 | } | |
215 | ||
216 | /* This is a hook needed by SCO COFF, but we have nothing to do. */ | |
217 | ||
218 | static asection * | |
f6409552 ILT |
219 | ecoff_make_section_hook (abfd, name) |
220 | bfd *abfd; | |
221 | char *name; | |
515c4292 ILT |
222 | { |
223 | return (asection *) NULL; | |
224 | } | |
225 | ||
226 | /* Initialize a new section. */ | |
227 | ||
228 | static boolean | |
f6409552 ILT |
229 | ecoff_new_section_hook (abfd, section) |
230 | bfd *abfd; | |
231 | asection *section; | |
515c4292 ILT |
232 | { |
233 | section->alignment_power = abfd->xvec->align_power_min; | |
8fa0d3a0 ILT |
234 | |
235 | if (strcmp (section->name, _TEXT) == 0) | |
236 | section->flags |= SEC_CODE | SEC_LOAD | SEC_ALLOC; | |
237 | else if (strcmp (section->name, _DATA) == 0 | |
238 | || strcmp (section->name, _SDATA) == 0) | |
239 | section->flags |= SEC_DATA | SEC_LOAD | SEC_ALLOC; | |
240 | else if (strcmp (section->name, _RDATA) == 0 | |
241 | || strcmp (section->name, _LIT8) == 0 | |
242 | || strcmp (section->name, _LIT4) == 0) | |
243 | section->flags |= SEC_DATA | SEC_LOAD | SEC_ALLOC | SEC_READONLY; | |
244 | else if (strcmp (section->name, _BSS) == 0 | |
245 | || strcmp (section->name, _SBSS) == 0) | |
bf4b84bc | 246 | section->flags |= SEC_ALLOC; |
8fa0d3a0 ILT |
247 | |
248 | /* Probably any other section name is SEC_NEVER_LOAD, but I'm | |
249 | uncertain about .init on some systems and I don't know how shared | |
250 | libraries work. */ | |
251 | ||
515c4292 ILT |
252 | return true; |
253 | } | |
254 | ||
f6409552 ILT |
255 | /* Set the alignment of a section; we have nothing to do. */ |
256 | ||
515c4292 ILT |
257 | #define ecoff_set_alignment_hook \ |
258 | ((void (*) PARAMS ((bfd *, asection *, PTR))) bfd_void) | |
259 | ||
f6409552 ILT |
260 | /* Create an ECOFF object. */ |
261 | ||
515c4292 | 262 | static boolean |
f6409552 ILT |
263 | ecoff_mkobject (abfd) |
264 | bfd *abfd; | |
515c4292 ILT |
265 | { |
266 | abfd->tdata.ecoff_obj_data = ((struct ecoff_tdata *) | |
46bc1bf6 | 267 | bfd_zalloc (abfd, sizeof (ecoff_data_type))); |
515c4292 ILT |
268 | if (abfd->tdata.ecoff_obj_data == NULL) |
269 | { | |
270 | bfd_error = no_memory; | |
271 | return false; | |
272 | } | |
273 | ||
5e462ed9 ILT |
274 | /* Always create a .scommon section for every BFD. This is a hack so |
275 | that the linker has something to attach scSCommon symbols to. */ | |
276 | bfd_make_section (abfd, SCOMMON); | |
277 | ||
515c4292 ILT |
278 | return true; |
279 | } | |
280 | ||
f6409552 | 281 | /* Create the ECOFF backend specific information. */ |
515c4292 | 282 | |
c3fe0c41 ILT |
283 | static PTR |
284 | ecoff_mkobject_hook (abfd, filehdr, aouthdr) | |
285 | bfd *abfd; | |
286 | PTR filehdr; | |
287 | PTR aouthdr; | |
515c4292 ILT |
288 | { |
289 | struct internal_filehdr *internal_f = (struct internal_filehdr *) filehdr; | |
c3fe0c41 | 290 | struct internal_aouthdr *internal_a = (struct internal_aouthdr *) aouthdr; |
515c4292 ILT |
291 | ecoff_data_type *ecoff; |
292 | ||
293 | if (ecoff_mkobject (abfd) == false) | |
294 | return NULL; | |
295 | ||
296 | ecoff = ecoff_data (abfd); | |
46bc1bf6 | 297 | ecoff->gp_size = 8; |
515c4292 | 298 | ecoff->sym_filepos = internal_f->f_symptr; |
c3fe0c41 ILT |
299 | |
300 | if (internal_a != (struct internal_aouthdr *) NULL) | |
301 | { | |
302 | int i; | |
303 | ||
6d18a99d ILT |
304 | ecoff->text_start = internal_a->text_start; |
305 | ecoff->text_end = internal_a->text_start + internal_a->tsize; | |
c3fe0c41 ILT |
306 | ecoff->gp = internal_a->gp_value; |
307 | ecoff->gprmask = internal_a->gprmask; | |
5e462ed9 | 308 | for (i = 0; i < 4; i++) |
c3fe0c41 ILT |
309 | ecoff->cprmask[i] = internal_a->cprmask[i]; |
310 | } | |
311 | ||
515c4292 ILT |
312 | return (PTR) ecoff; |
313 | } | |
314 | ||
315 | /* Determine the machine architecture and type. */ | |
f6409552 | 316 | |
515c4292 | 317 | static boolean |
f6409552 ILT |
318 | ecoff_set_arch_mach_hook (abfd, filehdr) |
319 | bfd *abfd; | |
320 | PTR filehdr; | |
515c4292 | 321 | { |
515c4292 | 322 | struct internal_filehdr *internal_f = (struct internal_filehdr *) filehdr; |
f6409552 | 323 | enum bfd_architecture arch; |
515c4292 | 324 | |
f6409552 ILT |
325 | switch (internal_f->f_magic) |
326 | { | |
327 | case MIPS_MAGIC_1: | |
6d18a99d ILT |
328 | case MIPS_MAGIC_LITTLE: |
329 | case MIPS_MAGIC_BIG: | |
f6409552 ILT |
330 | arch = bfd_arch_mips; |
331 | break; | |
332 | ||
333 | default: | |
334 | arch = bfd_arch_obscure; | |
335 | break; | |
336 | } | |
337 | ||
338 | bfd_default_set_arch_mach (abfd, arch, (unsigned long) 0); | |
515c4292 | 339 | |
515c4292 ILT |
340 | return true; |
341 | } | |
342 | ||
8fa0d3a0 ILT |
343 | /* Get the section s_flags to use for a section. */ |
344 | ||
345 | static long | |
f6409552 ILT |
346 | ecoff_sec_to_styp_flags (name, flags) |
347 | CONST char *name; | |
348 | flagword flags; | |
8fa0d3a0 ILT |
349 | { |
350 | long styp; | |
351 | ||
352 | styp = 0; | |
353 | ||
354 | if (strcmp (name, _TEXT) == 0) | |
355 | styp = STYP_TEXT; | |
356 | else if (strcmp (name, _DATA) == 0) | |
c3fe0c41 | 357 | styp = STYP_DATA; |
8fa0d3a0 | 358 | else if (strcmp (name, _SDATA) == 0) |
c3fe0c41 | 359 | styp = STYP_SDATA; |
8fa0d3a0 ILT |
360 | else if (strcmp (name, _RDATA) == 0) |
361 | styp = STYP_RDATA; | |
362 | else if (strcmp (name, _LIT8) == 0) | |
363 | styp = STYP_LIT8; | |
364 | else if (strcmp (name, _LIT4) == 0) | |
365 | styp = STYP_LIT4; | |
366 | else if (strcmp (name, _BSS) == 0) | |
367 | styp = STYP_BSS; | |
368 | else if (strcmp (name, _SBSS) == 0) | |
369 | styp = STYP_SBSS; | |
370 | else if (flags & SEC_CODE) | |
371 | styp = STYP_TEXT; | |
372 | else if (flags & SEC_DATA) | |
373 | styp = STYP_DATA; | |
374 | else if (flags & SEC_READONLY) | |
375 | styp = STYP_RDATA; | |
376 | else if (flags & SEC_LOAD) | |
377 | styp = STYP_TEXT; | |
378 | else | |
379 | styp = STYP_BSS; | |
380 | ||
381 | if (flags & SEC_NEVER_LOAD) | |
382 | styp |= STYP_NOLOAD; | |
383 | ||
384 | return styp; | |
385 | } | |
386 | ||
515c4292 ILT |
387 | /* Get the BFD flags to use for a section. */ |
388 | ||
389 | static flagword | |
f6409552 ILT |
390 | ecoff_styp_to_sec_flags (abfd, hdr) |
391 | bfd *abfd; | |
392 | PTR hdr; | |
515c4292 ILT |
393 | { |
394 | struct internal_scnhdr *internal_s = (struct internal_scnhdr *) hdr; | |
395 | long styp_flags = internal_s->s_flags; | |
396 | flagword sec_flags=0; | |
397 | ||
398 | if (styp_flags & STYP_NOLOAD) | |
399 | sec_flags |= SEC_NEVER_LOAD; | |
400 | ||
401 | /* For 386 COFF, at least, an unloadable text or data section is | |
402 | actually a shared library section. */ | |
403 | if (styp_flags & STYP_TEXT) | |
404 | { | |
405 | if (sec_flags & SEC_NEVER_LOAD) | |
406 | sec_flags |= SEC_CODE | SEC_SHARED_LIBRARY; | |
407 | else | |
408 | sec_flags |= SEC_CODE | SEC_LOAD | SEC_ALLOC; | |
409 | } | |
410 | else if ((styp_flags & STYP_DATA) | |
411 | || (styp_flags & STYP_RDATA) | |
412 | || (styp_flags & STYP_SDATA)) | |
413 | { | |
414 | if (sec_flags & SEC_NEVER_LOAD) | |
415 | sec_flags |= SEC_DATA | SEC_SHARED_LIBRARY; | |
416 | else | |
417 | sec_flags |= SEC_DATA | SEC_LOAD | SEC_ALLOC; | |
418 | if (styp_flags & STYP_RDATA) | |
419 | sec_flags |= SEC_READONLY; | |
420 | } | |
421 | else if ((styp_flags & STYP_BSS) | |
422 | || (styp_flags & STYP_SBSS)) | |
423 | { | |
424 | sec_flags |= SEC_ALLOC; | |
425 | } | |
426 | else if (styp_flags & STYP_INFO) | |
427 | { | |
428 | sec_flags |= SEC_NEVER_LOAD; | |
429 | } | |
430 | else if ((styp_flags & STYP_LIT8) | |
431 | || (styp_flags & STYP_LIT4)) | |
432 | { | |
433 | sec_flags |= SEC_DATA | SEC_LOAD | SEC_ALLOC | SEC_READONLY; | |
434 | } | |
435 | else | |
436 | { | |
437 | sec_flags |= SEC_ALLOC | SEC_LOAD; | |
438 | } | |
439 | ||
440 | return sec_flags; | |
441 | } | |
442 | \f | |
8fa0d3a0 | 443 | /* Read in and swap the important symbolic information for an ECOFF |
20f10b59 ILT |
444 | object file. FIXME: This is called by gdb. If there is ever |
445 | another ECOFF target, it should be moved into some sort of target | |
446 | specific structure. */ | |
8fa0d3a0 | 447 | |
20f10b59 | 448 | boolean |
f6409552 ILT |
449 | ecoff_slurp_symbolic_info (abfd) |
450 | bfd *abfd; | |
8fa0d3a0 ILT |
451 | { |
452 | struct hdr_ext external_symhdr; | |
453 | HDRR *internal_symhdr; | |
454 | bfd_size_type raw_base; | |
455 | bfd_size_type raw_size; | |
456 | PTR raw; | |
457 | struct fdr_ext *fraw_src; | |
458 | struct fdr_ext *fraw_end; | |
459 | struct fdr *fdr_ptr; | |
460 | ||
461 | /* Check whether we've already gotten it, and whether there's any to | |
462 | get. */ | |
463 | if (ecoff_data (abfd)->raw_syments != (PTR) NULL) | |
464 | return true; | |
465 | if (ecoff_data (abfd)->sym_filepos == 0) | |
466 | { | |
467 | bfd_get_symcount (abfd) = 0; | |
468 | return true; | |
469 | } | |
470 | ||
471 | /* At this point bfd_get_symcount (abfd) holds the number of symbols | |
472 | as read from the file header, but on ECOFF this is always the | |
473 | size of the symbolic information header. It would be cleaner to | |
474 | handle this when we first read the file in coffgen.c. */ | |
475 | if (bfd_get_symcount (abfd) != sizeof (external_symhdr)) | |
476 | { | |
477 | bfd_error = bad_value; | |
478 | return false; | |
479 | } | |
480 | ||
481 | /* Read the symbolic information header. */ | |
482 | if (bfd_seek (abfd, ecoff_data (abfd)->sym_filepos, SEEK_SET) == -1 | |
483 | || (bfd_read ((PTR) &external_symhdr, sizeof (external_symhdr), 1, abfd) | |
484 | != sizeof (external_symhdr))) | |
485 | { | |
486 | bfd_error = system_call_error; | |
487 | return false; | |
488 | } | |
489 | internal_symhdr = &ecoff_data (abfd)->symbolic_header; | |
490 | ecoff_swap_hdr_in (abfd, &external_symhdr, internal_symhdr); | |
491 | ||
492 | if (internal_symhdr->magic != magicSym) | |
493 | { | |
494 | bfd_error = bad_value; | |
495 | return false; | |
496 | } | |
497 | ||
498 | /* Now we can get the correct number of symbols. */ | |
499 | bfd_get_symcount (abfd) = (internal_symhdr->isymMax | |
500 | + internal_symhdr->iextMax); | |
501 | ||
c3fe0c41 | 502 | /* Read all the symbolic information at once. */ |
23ba15b7 ILT |
503 | raw_base = ecoff_data (abfd)->sym_filepos + sizeof (struct hdr_ext); |
504 | ||
505 | if (internal_symhdr->cbExtOffset != 0) | |
506 | raw_size = (internal_symhdr->cbExtOffset | |
507 | - raw_base | |
508 | + internal_symhdr->iextMax * sizeof (struct ext_ext)); | |
509 | else | |
510 | { | |
511 | long cbline, issmax, issextmax; | |
512 | ||
6d18a99d ILT |
513 | cbline = (internal_symhdr->cbLine + 3) &~ 3; |
514 | issmax = (internal_symhdr->issMax + 3) &~ 3; | |
515 | issextmax = (internal_symhdr->issExtMax + 3) &~ 3; | |
23ba15b7 ILT |
516 | raw_size = (cbline * sizeof (unsigned char) |
517 | + internal_symhdr->idnMax * sizeof (struct dnr_ext) | |
518 | + internal_symhdr->ipdMax * sizeof (struct pdr_ext) | |
519 | + internal_symhdr->isymMax * sizeof (struct sym_ext) | |
520 | + internal_symhdr->ioptMax * sizeof (struct opt_ext) | |
521 | + internal_symhdr->iauxMax * sizeof (union aux_ext) | |
522 | + issmax * sizeof (char) | |
523 | + issextmax * sizeof (char) | |
524 | + internal_symhdr->ifdMax * sizeof (struct fdr_ext) | |
525 | + internal_symhdr->crfd * sizeof (struct rfd_ext) | |
526 | + internal_symhdr->iextMax * sizeof (struct ext_ext)); | |
527 | } | |
528 | ||
c3fe0c41 ILT |
529 | if (raw_size == 0) |
530 | { | |
531 | ecoff_data (abfd)->sym_filepos = 0; | |
532 | return true; | |
533 | } | |
8fa0d3a0 ILT |
534 | raw = (PTR) bfd_alloc (abfd, raw_size); |
535 | if (raw == NULL) | |
536 | { | |
537 | bfd_error = no_memory; | |
538 | return false; | |
539 | } | |
540 | if (bfd_read (raw, raw_size, 1, abfd) != raw_size) | |
541 | { | |
542 | bfd_error = system_call_error; | |
543 | bfd_release (abfd, raw); | |
544 | return false; | |
545 | } | |
546 | ||
547 | ecoff_data (abfd)->raw_size = raw_size; | |
548 | ecoff_data (abfd)->raw_syments = raw; | |
549 | ||
550 | /* Get pointers for the numeric offsets in the HDRR structure. */ | |
551 | #define FIX(off1, off2, type) \ | |
552 | if (internal_symhdr->off1 == 0) \ | |
553 | ecoff_data (abfd)->off2 = (type *) NULL; \ | |
554 | else \ | |
555 | ecoff_data (abfd)->off2 = (type *) ((char *) raw \ | |
556 | + internal_symhdr->off1 \ | |
557 | - raw_base) | |
558 | FIX (cbLineOffset, line, unsigned char); | |
559 | FIX (cbDnOffset, external_dnr, struct dnr_ext); | |
560 | FIX (cbPdOffset, external_pdr, struct pdr_ext); | |
561 | FIX (cbSymOffset, external_sym, struct sym_ext); | |
562 | FIX (cbOptOffset, external_opt, struct opt_ext); | |
563 | FIX (cbAuxOffset, external_aux, union aux_ext); | |
564 | FIX (cbSsOffset, ss, char); | |
565 | FIX (cbSsExtOffset, ssext, char); | |
566 | FIX (cbFdOffset, external_fdr, struct fdr_ext); | |
567 | FIX (cbRfdOffset, external_rfd, struct rfd_ext); | |
568 | FIX (cbExtOffset, external_ext, struct ext_ext); | |
569 | #undef FIX | |
570 | ||
571 | /* I don't want to always swap all the data, because it will just | |
572 | waste time and most programs will never look at it. The only | |
573 | time the linker needs most of the debugging information swapped | |
574 | is when linking big-endian and little-endian MIPS object files | |
575 | together, which is not a common occurrence. | |
576 | ||
577 | We need to look at the fdr to deal with a lot of information in | |
578 | the symbols, so we swap them here. */ | |
579 | ecoff_data (abfd)->fdr = (struct fdr *) bfd_alloc (abfd, | |
580 | (internal_symhdr->ifdMax * | |
581 | sizeof (struct fdr))); | |
582 | if (ecoff_data (abfd)->fdr == NULL) | |
583 | { | |
584 | bfd_error = no_memory; | |
585 | return false; | |
586 | } | |
587 | fdr_ptr = ecoff_data (abfd)->fdr; | |
588 | fraw_src = ecoff_data (abfd)->external_fdr; | |
589 | fraw_end = fraw_src + internal_symhdr->ifdMax; | |
590 | for (; fraw_src < fraw_end; fraw_src++, fdr_ptr++) | |
591 | ecoff_swap_fdr_in (abfd, fraw_src, fdr_ptr); | |
592 | ||
593 | return true; | |
594 | } | |
595 | \f | |
515c4292 ILT |
596 | /* ECOFF symbol table routines. The ECOFF symbol table is described |
597 | in gcc/mips-tfile.c. */ | |
598 | ||
bf4b84bc ILT |
599 | /* ECOFF uses two common sections. One is the usual one, and the |
600 | other is for small objects. All the small objects are kept | |
601 | together, and then referenced via the gp pointer, which yields | |
602 | faster assembler code. This is what we use for the small common | |
603 | section. */ | |
604 | static asection ecoff_scom_section; | |
605 | static asymbol ecoff_scom_symbol; | |
606 | static asymbol *ecoff_scom_symbol_ptr; | |
607 | ||
515c4292 ILT |
608 | /* Create an empty symbol. */ |
609 | ||
610 | static asymbol * | |
f6409552 ILT |
611 | ecoff_make_empty_symbol (abfd) |
612 | bfd *abfd; | |
515c4292 ILT |
613 | { |
614 | ecoff_symbol_type *new; | |
615 | ||
616 | new = (ecoff_symbol_type *) bfd_alloc (abfd, sizeof (ecoff_symbol_type)); | |
617 | if (new == (ecoff_symbol_type *) NULL) | |
618 | { | |
619 | bfd_error = no_memory; | |
620 | return (asymbol *) NULL; | |
621 | } | |
46bc1bf6 | 622 | memset (new, 0, sizeof *new); |
515c4292 ILT |
623 | new->symbol.section = (asection *) NULL; |
624 | new->fdr = (FDR *) NULL; | |
625 | new->local = false; | |
626 | new->native.lnative = (struct sym_ext *) NULL; | |
627 | new->symbol.the_bfd = abfd; | |
628 | return &new->symbol; | |
629 | } | |
630 | ||
631 | /* Set the BFD flags and section for an ECOFF symbol. */ | |
632 | ||
633 | static void | |
f6409552 ILT |
634 | ecoff_set_symbol_info (abfd, ecoff_sym, asym, ext) |
635 | bfd *abfd; | |
636 | SYMR *ecoff_sym; | |
637 | asymbol *asym; | |
638 | int ext; | |
515c4292 ILT |
639 | { |
640 | asym->the_bfd = abfd; | |
641 | asym->value = ecoff_sym->value; | |
642 | asym->section = &bfd_debug_section; | |
643 | asym->udata = NULL; | |
c3fe0c41 ILT |
644 | |
645 | /* Most symbol types are just for debugging. */ | |
646 | switch (ecoff_sym->st) | |
647 | { | |
648 | case stGlobal: | |
649 | case stStatic: | |
650 | case stLabel: | |
651 | case stProc: | |
652 | case stStaticProc: | |
46bc1bf6 | 653 | break; |
23ba15b7 | 654 | case stNil: |
46bc1bf6 ILT |
655 | if (MIPS_IS_STAB (ecoff_sym)) |
656 | { | |
657 | asym->flags = BSF_DEBUGGING; | |
658 | return; | |
659 | } | |
c3fe0c41 ILT |
660 | break; |
661 | default: | |
662 | asym->flags = BSF_DEBUGGING; | |
663 | return; | |
664 | } | |
665 | ||
515c4292 ILT |
666 | if (ext) |
667 | asym->flags = BSF_EXPORT | BSF_GLOBAL; | |
668 | else | |
669 | asym->flags = BSF_LOCAL; | |
670 | switch (ecoff_sym->sc) | |
671 | { | |
672 | case scNil: | |
23ba15b7 ILT |
673 | /* Used for compiler generated labels. Leave them in the |
674 | debugging section, and mark them as local. If BSF_DEBUGGING | |
675 | is set, then nm does not display them for some reason. If no | |
676 | flags are set then the linker whines about them. */ | |
677 | asym->flags = BSF_LOCAL; | |
515c4292 ILT |
678 | break; |
679 | case scText: | |
680 | asym->section = bfd_make_section_old_way (abfd, ".text"); | |
681 | asym->value -= asym->section->vma; | |
682 | break; | |
683 | case scData: | |
684 | asym->section = bfd_make_section_old_way (abfd, ".data"); | |
685 | asym->value -= asym->section->vma; | |
686 | break; | |
687 | case scBss: | |
c3fe0c41 | 688 | if (ext) |
23ba15b7 ILT |
689 | { |
690 | asym->section = &bfd_com_section; | |
691 | asym->flags = 0; | |
692 | } | |
c3fe0c41 ILT |
693 | else |
694 | { | |
695 | asym->section = bfd_make_section_old_way (abfd, ".bss"); | |
696 | asym->value -= asym->section->vma; | |
697 | } | |
515c4292 ILT |
698 | break; |
699 | case scRegister: | |
700 | asym->flags = BSF_DEBUGGING; | |
701 | break; | |
702 | case scAbs: | |
703 | asym->section = &bfd_abs_section; | |
515c4292 ILT |
704 | break; |
705 | case scUndefined: | |
706 | asym->section = &bfd_und_section; | |
23ba15b7 ILT |
707 | asym->flags = 0; |
708 | asym->value = 0; | |
515c4292 ILT |
709 | break; |
710 | case scCdbLocal: | |
711 | case scBits: | |
712 | case scCdbSystem: | |
713 | case scRegImage: | |
714 | case scInfo: | |
715 | case scUserStruct: | |
716 | asym->flags = BSF_DEBUGGING; | |
717 | break; | |
718 | case scSData: | |
719 | asym->section = bfd_make_section_old_way (abfd, ".sdata"); | |
720 | asym->value -= asym->section->vma; | |
721 | break; | |
722 | case scSBss: | |
382f2a3d | 723 | asym->section = bfd_make_section_old_way (abfd, ".sbss"); |
bf4b84bc ILT |
724 | if (! ext) |
725 | asym->value -= asym->section->vma; | |
515c4292 ILT |
726 | break; |
727 | case scRData: | |
728 | asym->section = bfd_make_section_old_way (abfd, ".rdata"); | |
729 | asym->value -= asym->section->vma; | |
730 | break; | |
731 | case scVar: | |
732 | asym->flags = BSF_DEBUGGING; | |
733 | break; | |
734 | case scCommon: | |
46bc1bf6 | 735 | if (asym->value > ecoff_data (abfd)->gp_size) |
5e462ed9 ILT |
736 | { |
737 | asym->section = &bfd_com_section; | |
46bc1bf6 | 738 | asym->flags = 0; |
5e462ed9 ILT |
739 | break; |
740 | } | |
741 | /* Fall through. */ | |
382f2a3d | 742 | case scSCommon: |
bf4b84bc ILT |
743 | if (ecoff_scom_section.name == NULL) |
744 | { | |
745 | /* Initialize the small common section. */ | |
5e462ed9 | 746 | ecoff_scom_section.name = SCOMMON; |
bf4b84bc ILT |
747 | ecoff_scom_section.flags = SEC_IS_COMMON; |
748 | ecoff_scom_section.output_section = &ecoff_scom_section; | |
749 | ecoff_scom_section.symbol = &ecoff_scom_symbol; | |
750 | ecoff_scom_section.symbol_ptr_ptr = &ecoff_scom_symbol_ptr; | |
5e462ed9 | 751 | ecoff_scom_symbol.name = SCOMMON; |
bf4b84bc ILT |
752 | ecoff_scom_symbol.flags = BSF_SECTION_SYM; |
753 | ecoff_scom_symbol.section = &ecoff_scom_section; | |
754 | ecoff_scom_symbol_ptr = &ecoff_scom_symbol; | |
755 | } | |
756 | asym->section = &ecoff_scom_section; | |
23ba15b7 | 757 | asym->flags = 0; |
382f2a3d | 758 | break; |
515c4292 ILT |
759 | case scVarRegister: |
760 | case scVariant: | |
761 | asym->flags = BSF_DEBUGGING; | |
762 | break; | |
763 | case scSUndefined: | |
764 | asym->section = &bfd_und_section; | |
23ba15b7 ILT |
765 | asym->flags = 0; |
766 | asym->value = 0; | |
515c4292 ILT |
767 | break; |
768 | case scInit: | |
769 | asym->section = bfd_make_section_old_way (abfd, ".init"); | |
770 | asym->value -= asym->section->vma; | |
771 | break; | |
772 | case scBasedVar: | |
773 | case scXData: | |
774 | case scPData: | |
775 | asym->flags = BSF_DEBUGGING; | |
776 | break; | |
777 | case scFini: | |
778 | asym->section = bfd_make_section_old_way (abfd, ".fini"); | |
779 | asym->value -= asym->section->vma; | |
780 | break; | |
781 | default: | |
515c4292 ILT |
782 | break; |
783 | } | |
784 | } | |
785 | ||
786 | /* Read an ECOFF symbol table. */ | |
787 | ||
788 | static boolean | |
f6409552 ILT |
789 | ecoff_slurp_symbol_table (abfd) |
790 | bfd *abfd; | |
515c4292 | 791 | { |
515c4292 | 792 | bfd_size_type internal_size; |
515c4292 ILT |
793 | ecoff_symbol_type *internal; |
794 | ecoff_symbol_type *internal_ptr; | |
795 | struct ext_ext *eraw_src; | |
796 | struct ext_ext *eraw_end; | |
8fa0d3a0 ILT |
797 | FDR *fdr_ptr; |
798 | FDR *fdr_end; | |
515c4292 ILT |
799 | |
800 | /* If we've already read in the symbol table, do nothing. */ | |
801 | if (ecoff_data (abfd)->canonical_symbols != NULL) | |
802 | return true; | |
803 | ||
8fa0d3a0 ILT |
804 | /* Get the symbolic information. */ |
805 | if (ecoff_slurp_symbolic_info (abfd) == false) | |
806 | return false; | |
807 | if (bfd_get_symcount (abfd) == 0) | |
808 | return true; | |
515c4292 ILT |
809 | |
810 | internal_size = bfd_get_symcount (abfd) * sizeof (ecoff_symbol_type); | |
811 | internal = (ecoff_symbol_type *) bfd_alloc (abfd, internal_size); | |
812 | if (internal == NULL) | |
813 | { | |
814 | bfd_error = no_memory; | |
815 | return false; | |
816 | } | |
817 | ||
818 | internal_ptr = internal; | |
819 | eraw_src = ecoff_data (abfd)->external_ext; | |
8fa0d3a0 | 820 | eraw_end = eraw_src + ecoff_data (abfd)->symbolic_header.iextMax; |
515c4292 ILT |
821 | for (; eraw_src < eraw_end; eraw_src++, internal_ptr++) |
822 | { | |
823 | EXTR internal_esym; | |
824 | ||
825 | ecoff_swap_ext_in (abfd, eraw_src, &internal_esym); | |
826 | internal_ptr->symbol.name = (ecoff_data (abfd)->ssext | |
827 | + internal_esym.asym.iss); | |
828 | ecoff_set_symbol_info (abfd, &internal_esym.asym, | |
829 | &internal_ptr->symbol, 1); | |
830 | internal_ptr->fdr = ecoff_data (abfd)->fdr + internal_esym.ifd; | |
831 | internal_ptr->local = false; | |
832 | internal_ptr->native.enative = eraw_src; | |
833 | } | |
834 | ||
835 | /* The local symbols must be accessed via the fdr's, because the | |
836 | string and aux indices are relative to the fdr information. */ | |
837 | fdr_ptr = ecoff_data (abfd)->fdr; | |
8fa0d3a0 | 838 | fdr_end = fdr_ptr + ecoff_data (abfd)->symbolic_header.ifdMax; |
515c4292 ILT |
839 | for (; fdr_ptr < fdr_end; fdr_ptr++) |
840 | { | |
841 | struct sym_ext *lraw_src; | |
842 | struct sym_ext *lraw_end; | |
843 | ||
844 | lraw_src = ecoff_data (abfd)->external_sym + fdr_ptr->isymBase; | |
845 | lraw_end = lraw_src + fdr_ptr->csym; | |
846 | for (; lraw_src < lraw_end; lraw_src++, internal_ptr++) | |
847 | { | |
848 | SYMR internal_sym; | |
849 | ||
850 | ecoff_swap_sym_in (abfd, lraw_src, &internal_sym); | |
851 | internal_ptr->symbol.name = (ecoff_data (abfd)->ss | |
852 | + fdr_ptr->issBase | |
853 | + internal_sym.iss); | |
854 | ecoff_set_symbol_info (abfd, &internal_sym, | |
855 | &internal_ptr->symbol, 0); | |
856 | internal_ptr->fdr = fdr_ptr; | |
857 | internal_ptr->local = true; | |
858 | internal_ptr->native.lnative = lraw_src; | |
859 | } | |
860 | } | |
861 | ||
862 | ecoff_data (abfd)->canonical_symbols = internal; | |
863 | ||
864 | return true; | |
865 | } | |
866 | ||
867 | static unsigned int | |
f6409552 ILT |
868 | ecoff_get_symtab_upper_bound (abfd) |
869 | bfd *abfd; | |
515c4292 | 870 | { |
8fa0d3a0 ILT |
871 | if (ecoff_slurp_symbolic_info (abfd) == false |
872 | || bfd_get_symcount (abfd) == 0) | |
515c4292 ILT |
873 | return 0; |
874 | ||
875 | return (bfd_get_symcount (abfd) + 1) * (sizeof (ecoff_symbol_type *)); | |
876 | } | |
877 | ||
878 | static unsigned int | |
f6409552 ILT |
879 | ecoff_get_symtab (abfd, alocation) |
880 | bfd *abfd; | |
881 | asymbol **alocation; | |
515c4292 ILT |
882 | { |
883 | unsigned int counter = 0; | |
884 | ecoff_symbol_type *symbase; | |
885 | ecoff_symbol_type **location = (ecoff_symbol_type **) alocation; | |
886 | ||
8fa0d3a0 ILT |
887 | if (ecoff_slurp_symbol_table (abfd) == false |
888 | || bfd_get_symcount (abfd) == 0) | |
515c4292 ILT |
889 | return 0; |
890 | ||
891 | symbase = ecoff_data (abfd)->canonical_symbols; | |
892 | while (counter < bfd_get_symcount (abfd)) | |
893 | { | |
894 | *(location++) = symbase++; | |
895 | counter++; | |
896 | } | |
897 | *location++ = (ecoff_symbol_type *) NULL; | |
898 | return bfd_get_symcount (abfd); | |
899 | } | |
900 | ||
901 | /* Turn ECOFF type information into a printable string. | |
f6409552 ILT |
902 | ecoff_emit_aggregate and ecoff_type_to_string are from |
903 | gcc/mips-tdump.c, with swapping added and used_ptr removed. */ | |
515c4292 ILT |
904 | |
905 | /* Write aggregate information to a string. */ | |
906 | ||
907 | static void | |
f6409552 ILT |
908 | ecoff_emit_aggregate (abfd, string, rndx, isym, which) |
909 | bfd *abfd; | |
910 | char *string; | |
911 | RNDXR *rndx; | |
912 | long isym; | |
913 | CONST char *which; | |
515c4292 ILT |
914 | { |
915 | int ifd = rndx->rfd; | |
916 | int indx = rndx->index; | |
917 | int sym_base, ss_base; | |
918 | CONST char *name; | |
919 | ||
920 | if (ifd == 0xfff) | |
921 | ifd = isym; | |
922 | ||
923 | sym_base = ecoff_data (abfd)->fdr[ifd].isymBase; | |
924 | ss_base = ecoff_data (abfd)->fdr[ifd].issBase; | |
925 | ||
926 | if (indx == indexNil) | |
927 | name = "/* no name */"; | |
928 | else | |
929 | { | |
930 | SYMR sym; | |
931 | ||
932 | indx += sym_base; | |
933 | ecoff_swap_sym_in (abfd, | |
934 | ecoff_data (abfd)->external_sym + indx, | |
935 | &sym); | |
936 | name = ecoff_data (abfd)->ss + ss_base + sym.iss; | |
937 | } | |
938 | ||
939 | sprintf (string, | |
940 | "%s %s { ifd = %d, index = %d }", | |
941 | which, name, ifd, | |
942 | indx + ecoff_data (abfd)->symbolic_header.iextMax); | |
943 | } | |
944 | ||
945 | /* Convert the type information to string format. */ | |
946 | ||
947 | static char * | |
f6409552 ILT |
948 | ecoff_type_to_string (abfd, aux_ptr, indx, bigendian) |
949 | bfd *abfd; | |
950 | union aux_ext *aux_ptr; | |
951 | int indx; | |
952 | int bigendian; | |
515c4292 ILT |
953 | { |
954 | AUXU u; | |
955 | struct qual { | |
956 | unsigned int type; | |
957 | int low_bound; | |
958 | int high_bound; | |
959 | int stride; | |
960 | } qualifiers[7]; | |
961 | ||
962 | unsigned int basic_type; | |
963 | int i; | |
964 | static char buffer1[1024]; | |
965 | static char buffer2[1024]; | |
966 | char *p1 = buffer1; | |
967 | char *p2 = buffer2; | |
968 | RNDXR rndx; | |
969 | ||
970 | for (i = 0; i < 7; i++) | |
971 | { | |
972 | qualifiers[i].low_bound = 0; | |
973 | qualifiers[i].high_bound = 0; | |
974 | qualifiers[i].stride = 0; | |
975 | } | |
976 | ||
977 | if (AUX_GET_ISYM (bigendian, &aux_ptr[indx]) == -1) | |
978 | return "-1 (no type)"; | |
979 | ecoff_swap_tir_in (bigendian, &aux_ptr[indx++].a_ti, &u.ti); | |
980 | ||
981 | basic_type = u.ti.bt; | |
982 | qualifiers[0].type = u.ti.tq0; | |
983 | qualifiers[1].type = u.ti.tq1; | |
984 | qualifiers[2].type = u.ti.tq2; | |
985 | qualifiers[3].type = u.ti.tq3; | |
986 | qualifiers[4].type = u.ti.tq4; | |
987 | qualifiers[5].type = u.ti.tq5; | |
988 | qualifiers[6].type = tqNil; | |
989 | ||
990 | /* | |
991 | * Go get the basic type. | |
992 | */ | |
993 | switch (basic_type) | |
994 | { | |
995 | case btNil: /* undefined */ | |
996 | strcpy (p1, "nil"); | |
997 | break; | |
998 | ||
999 | case btAdr: /* address - integer same size as pointer */ | |
1000 | strcpy (p1, "address"); | |
1001 | break; | |
1002 | ||
1003 | case btChar: /* character */ | |
1004 | strcpy (p1, "char"); | |
1005 | break; | |
1006 | ||
1007 | case btUChar: /* unsigned character */ | |
1008 | strcpy (p1, "unsigned char"); | |
1009 | break; | |
1010 | ||
1011 | case btShort: /* short */ | |
1012 | strcpy (p1, "short"); | |
1013 | break; | |
1014 | ||
1015 | case btUShort: /* unsigned short */ | |
1016 | strcpy (p1, "unsigned short"); | |
1017 | break; | |
1018 | ||
1019 | case btInt: /* int */ | |
1020 | strcpy (p1, "int"); | |
1021 | break; | |
1022 | ||
1023 | case btUInt: /* unsigned int */ | |
1024 | strcpy (p1, "unsigned int"); | |
1025 | break; | |
1026 | ||
1027 | case btLong: /* long */ | |
1028 | strcpy (p1, "long"); | |
1029 | break; | |
1030 | ||
1031 | case btULong: /* unsigned long */ | |
1032 | strcpy (p1, "unsigned long"); | |
1033 | break; | |
1034 | ||
1035 | case btFloat: /* float (real) */ | |
1036 | strcpy (p1, "float"); | |
1037 | break; | |
1038 | ||
1039 | case btDouble: /* Double (real) */ | |
1040 | strcpy (p1, "double"); | |
1041 | break; | |
1042 | ||
1043 | /* Structures add 1-2 aux words: | |
1044 | 1st word is [ST_RFDESCAPE, offset] pointer to struct def; | |
1045 | 2nd word is file index if 1st word rfd is ST_RFDESCAPE. */ | |
1046 | ||
1047 | case btStruct: /* Structure (Record) */ | |
1048 | ecoff_swap_rndx_in (bigendian, &aux_ptr[indx].a_rndx, &rndx); | |
f6409552 ILT |
1049 | ecoff_emit_aggregate (abfd, p1, &rndx, |
1050 | AUX_GET_ISYM (bigendian, &aux_ptr[indx+1]), | |
1051 | "struct"); | |
515c4292 ILT |
1052 | indx++; /* skip aux words */ |
1053 | break; | |
1054 | ||
1055 | /* Unions add 1-2 aux words: | |
1056 | 1st word is [ST_RFDESCAPE, offset] pointer to union def; | |
1057 | 2nd word is file index if 1st word rfd is ST_RFDESCAPE. */ | |
1058 | ||
1059 | case btUnion: /* Union */ | |
1060 | ecoff_swap_rndx_in (bigendian, &aux_ptr[indx].a_rndx, &rndx); | |
f6409552 ILT |
1061 | ecoff_emit_aggregate (abfd, p1, &rndx, |
1062 | AUX_GET_ISYM (bigendian, &aux_ptr[indx+1]), | |
1063 | "union"); | |
515c4292 ILT |
1064 | indx++; /* skip aux words */ |
1065 | break; | |
1066 | ||
1067 | /* Enumerations add 1-2 aux words: | |
1068 | 1st word is [ST_RFDESCAPE, offset] pointer to enum def; | |
1069 | 2nd word is file index if 1st word rfd is ST_RFDESCAPE. */ | |
1070 | ||
1071 | case btEnum: /* Enumeration */ | |
1072 | ecoff_swap_rndx_in (bigendian, &aux_ptr[indx].a_rndx, &rndx); | |
f6409552 ILT |
1073 | ecoff_emit_aggregate (abfd, p1, &rndx, |
1074 | AUX_GET_ISYM (bigendian, &aux_ptr[indx+1]), | |
1075 | "enum"); | |
515c4292 ILT |
1076 | indx++; /* skip aux words */ |
1077 | break; | |
1078 | ||
1079 | case btTypedef: /* defined via a typedef, isymRef points */ | |
1080 | strcpy (p1, "typedef"); | |
1081 | break; | |
1082 | ||
1083 | case btRange: /* subrange of int */ | |
1084 | strcpy (p1, "subrange"); | |
1085 | break; | |
1086 | ||
1087 | case btSet: /* pascal sets */ | |
1088 | strcpy (p1, "set"); | |
1089 | break; | |
1090 | ||
1091 | case btComplex: /* fortran complex */ | |
1092 | strcpy (p1, "complex"); | |
1093 | break; | |
1094 | ||
1095 | case btDComplex: /* fortran double complex */ | |
1096 | strcpy (p1, "double complex"); | |
1097 | break; | |
1098 | ||
1099 | case btIndirect: /* forward or unnamed typedef */ | |
1100 | strcpy (p1, "forward/unamed typedef"); | |
1101 | break; | |
1102 | ||
1103 | case btFixedDec: /* Fixed Decimal */ | |
1104 | strcpy (p1, "fixed decimal"); | |
1105 | break; | |
1106 | ||
1107 | case btFloatDec: /* Float Decimal */ | |
1108 | strcpy (p1, "float decimal"); | |
1109 | break; | |
1110 | ||
1111 | case btString: /* Varying Length Character String */ | |
1112 | strcpy (p1, "string"); | |
1113 | break; | |
1114 | ||
1115 | case btBit: /* Aligned Bit String */ | |
1116 | strcpy (p1, "bit"); | |
1117 | break; | |
1118 | ||
1119 | case btPicture: /* Picture */ | |
1120 | strcpy (p1, "picture"); | |
1121 | break; | |
1122 | ||
1123 | case btVoid: /* Void */ | |
1124 | strcpy (p1, "void"); | |
1125 | break; | |
1126 | ||
1127 | default: | |
1128 | sprintf (p1, "Unknown basic type %d", (int) basic_type); | |
1129 | break; | |
1130 | } | |
1131 | ||
1132 | p1 += strlen (buffer1); | |
1133 | ||
1134 | /* | |
1135 | * If this is a bitfield, get the bitsize. | |
1136 | */ | |
1137 | if (u.ti.fBitfield) | |
1138 | { | |
1139 | int bitsize; | |
1140 | ||
1141 | bitsize = AUX_GET_WIDTH (bigendian, &aux_ptr[indx++]); | |
1142 | sprintf (p1, " : %d", bitsize); | |
1143 | p1 += strlen (buffer1); | |
1144 | } | |
1145 | ||
1146 | ||
1147 | /* | |
1148 | * Deal with any qualifiers. | |
1149 | */ | |
1150 | if (qualifiers[0].type != tqNil) | |
1151 | { | |
1152 | /* | |
1153 | * Snarf up any array bounds in the correct order. Arrays | |
1154 | * store 5 successive words in the aux. table: | |
1155 | * word 0 RNDXR to type of the bounds (ie, int) | |
1156 | * word 1 Current file descriptor index | |
1157 | * word 2 low bound | |
1158 | * word 3 high bound (or -1 if []) | |
1159 | * word 4 stride size in bits | |
1160 | */ | |
1161 | for (i = 0; i < 7; i++) | |
1162 | { | |
1163 | if (qualifiers[i].type == tqArray) | |
1164 | { | |
1165 | qualifiers[i].low_bound = | |
1166 | AUX_GET_DNLOW (bigendian, &aux_ptr[indx+2]); | |
1167 | qualifiers[i].high_bound = | |
1168 | AUX_GET_DNHIGH (bigendian, &aux_ptr[indx+3]); | |
1169 | qualifiers[i].stride = | |
1170 | AUX_GET_WIDTH (bigendian, &aux_ptr[indx+4]); | |
1171 | indx += 5; | |
1172 | } | |
1173 | } | |
1174 | ||
1175 | /* | |
1176 | * Now print out the qualifiers. | |
1177 | */ | |
1178 | for (i = 0; i < 6; i++) | |
1179 | { | |
1180 | switch (qualifiers[i].type) | |
1181 | { | |
1182 | case tqNil: | |
1183 | case tqMax: | |
1184 | break; | |
1185 | ||
1186 | case tqPtr: | |
1187 | strcpy (p2, "ptr to "); | |
1188 | p2 += sizeof ("ptr to ")-1; | |
1189 | break; | |
1190 | ||
1191 | case tqVol: | |
1192 | strcpy (p2, "volatile "); | |
1193 | p2 += sizeof ("volatile ")-1; | |
1194 | break; | |
1195 | ||
1196 | case tqFar: | |
1197 | strcpy (p2, "far "); | |
1198 | p2 += sizeof ("far ")-1; | |
1199 | break; | |
1200 | ||
1201 | case tqProc: | |
1202 | strcpy (p2, "func. ret. "); | |
1203 | p2 += sizeof ("func. ret. "); | |
1204 | break; | |
1205 | ||
1206 | case tqArray: | |
1207 | { | |
1208 | int first_array = i; | |
1209 | int j; | |
1210 | ||
1211 | /* Print array bounds reversed (ie, in the order the C | |
1212 | programmer writes them). C is such a fun language.... */ | |
1213 | ||
1214 | while (i < 5 && qualifiers[i+1].type == tqArray) | |
1215 | i++; | |
1216 | ||
1217 | for (j = i; j >= first_array; j--) | |
1218 | { | |
1219 | strcpy (p2, "array ["); | |
1220 | p2 += sizeof ("array [")-1; | |
1221 | if (qualifiers[j].low_bound != 0) | |
1222 | sprintf (p2, | |
1223 | "%ld:%ld {%ld bits}", | |
1224 | (long) qualifiers[j].low_bound, | |
1225 | (long) qualifiers[j].high_bound, | |
1226 | (long) qualifiers[j].stride); | |
1227 | ||
1228 | else if (qualifiers[j].high_bound != -1) | |
1229 | sprintf (p2, | |
1230 | "%ld {%ld bits}", | |
1231 | (long) (qualifiers[j].high_bound + 1), | |
1232 | (long) (qualifiers[j].stride)); | |
1233 | ||
1234 | else | |
1235 | sprintf (p2, " {%ld bits}", (long) (qualifiers[j].stride)); | |
1236 | ||
1237 | p2 += strlen (p2); | |
1238 | strcpy (p2, "] of "); | |
1239 | p2 += sizeof ("] of ")-1; | |
1240 | } | |
1241 | } | |
1242 | break; | |
1243 | } | |
1244 | } | |
1245 | } | |
1246 | ||
1247 | strcpy (p2, buffer1); | |
1248 | return buffer2; | |
1249 | } | |
1250 | ||
1251 | /* Print information about an ECOFF symbol. */ | |
1252 | ||
1253 | static void | |
f6409552 ILT |
1254 | ecoff_print_symbol (abfd, filep, symbol, how) |
1255 | bfd *abfd; | |
1256 | PTR filep; | |
1257 | asymbol *symbol; | |
1258 | bfd_print_symbol_type how; | |
515c4292 ILT |
1259 | { |
1260 | FILE *file = (FILE *)filep; | |
1261 | ||
1262 | switch (how) | |
1263 | { | |
1264 | case bfd_print_symbol_name: | |
1265 | fprintf (file, "%s", symbol->name); | |
1266 | break; | |
1267 | case bfd_print_symbol_more: | |
1268 | if (ecoffsymbol (symbol)->local) | |
1269 | { | |
1270 | SYMR ecoff_sym; | |
1271 | ||
1272 | ecoff_swap_sym_in (abfd, ecoffsymbol (symbol)->native.lnative, | |
1273 | &ecoff_sym); | |
1274 | fprintf (file, "ecoff local %lx %x %x", | |
1275 | (unsigned long) ecoff_sym.value, | |
1276 | (unsigned) ecoff_sym.st, (unsigned) ecoff_sym.sc); | |
1277 | } | |
1278 | else | |
1279 | { | |
1280 | EXTR ecoff_ext; | |
1281 | ||
1282 | ecoff_swap_ext_in (abfd, ecoffsymbol (symbol)->native.enative, | |
1283 | &ecoff_ext); | |
1284 | fprintf (file, "ecoff extern %lx %x %x", | |
1285 | (unsigned long) ecoff_ext.asym.value, | |
1286 | (unsigned) ecoff_ext.asym.st, | |
1287 | (unsigned) ecoff_ext.asym.sc); | |
1288 | } | |
1289 | break; | |
1290 | case bfd_print_symbol_nm: | |
1291 | { | |
1292 | CONST char *section_name = symbol->section->name; | |
1293 | ||
1294 | bfd_print_symbol_vandf ((PTR) file, symbol); | |
1295 | fprintf (file, " %-5s %s %s", | |
1296 | section_name, | |
1297 | ecoffsymbol (symbol)->local ? "l" : "e", | |
1298 | symbol->name); | |
1299 | } | |
1300 | break; | |
1301 | case bfd_print_symbol_all: | |
1302 | /* Print out the symbols in a reasonable way */ | |
1303 | { | |
515c4292 ILT |
1304 | char type; |
1305 | int pos; | |
1306 | EXTR ecoff_ext; | |
1307 | char jmptbl; | |
1308 | char cobol_main; | |
1309 | char weakext; | |
1310 | ||
1311 | if (ecoffsymbol (symbol)->local) | |
1312 | { | |
1313 | ecoff_swap_sym_in (abfd, ecoffsymbol (symbol)->native.lnative, | |
1314 | &ecoff_ext.asym); | |
1315 | type = 'l'; | |
1316 | pos = (ecoffsymbol (symbol)->native.lnative | |
1317 | - ecoff_data (abfd)->external_sym | |
1318 | + ecoff_data (abfd)->symbolic_header.iextMax); | |
1319 | jmptbl = ' '; | |
1320 | cobol_main = ' '; | |
1321 | weakext = ' '; | |
1322 | } | |
1323 | else | |
1324 | { | |
1325 | ecoff_swap_ext_in (abfd, ecoffsymbol (symbol)->native.enative, | |
1326 | &ecoff_ext); | |
1327 | type = 'e'; | |
1328 | pos = (ecoffsymbol (symbol)->native.enative | |
1329 | - ecoff_data (abfd)->external_ext); | |
1330 | jmptbl = ecoff_ext.jmptbl ? 'j' : ' '; | |
1331 | cobol_main = ecoff_ext.cobol_main ? 'c' : ' '; | |
1332 | weakext = ecoff_ext.weakext ? 'w' : ' '; | |
1333 | } | |
1334 | ||
1335 | fprintf (file, "[%3d] %c %lx st %x sc %x indx %x %c%c%c %s", | |
1336 | pos, type, (unsigned long) ecoff_ext.asym.value, | |
1337 | (unsigned) ecoff_ext.asym.st, | |
1338 | (unsigned) ecoff_ext.asym.sc, | |
1339 | (unsigned) ecoff_ext.asym.index, | |
1340 | jmptbl, cobol_main, weakext, | |
1341 | symbol->name); | |
1342 | ||
1343 | if (ecoffsymbol (symbol)->fdr != NULL | |
1344 | && ecoff_ext.asym.index != indexNil) | |
1345 | { | |
1346 | unsigned indx; | |
1347 | int bigendian; | |
1348 | long sym_base; | |
1349 | union aux_ext *aux_base; | |
1350 | ||
1351 | indx = ecoff_ext.asym.index; | |
1352 | ||
1353 | /* sym_base is used to map the fdr relative indices which | |
1354 | appear in the file to the position number which we are | |
1355 | using. */ | |
1356 | sym_base = ecoffsymbol (symbol)->fdr->isymBase; | |
1357 | if (ecoffsymbol (symbol)->local) | |
1358 | sym_base += ecoff_data (abfd)->symbolic_header.iextMax; | |
1359 | ||
1360 | /* aux_base is the start of the aux entries for this file; | |
1361 | asym.index is an offset from this. */ | |
1362 | aux_base = (ecoff_data (abfd)->external_aux | |
1363 | + ecoffsymbol (symbol)->fdr->iauxBase); | |
1364 | ||
1365 | /* The aux entries are stored in host byte order; the | |
1366 | order is indicated by a bit in the fdr. */ | |
1367 | bigendian = ecoffsymbol (symbol)->fdr->fBigendian; | |
1368 | ||
1369 | /* This switch is basically from gcc/mips-tdump.c */ | |
1370 | switch (ecoff_ext.asym.st) | |
1371 | { | |
1372 | case stNil: | |
1373 | case stLabel: | |
1374 | break; | |
1375 | ||
1376 | case stFile: | |
1377 | case stBlock: | |
1378 | printf ("\n End+1 symbol: %ld", indx + sym_base); | |
1379 | break; | |
1380 | ||
1381 | case stEnd: | |
1382 | if (ecoff_ext.asym.sc == scText | |
1383 | || ecoff_ext.asym.sc == scInfo) | |
1384 | printf ("\n First symbol: %ld", indx + sym_base); | |
1385 | else | |
1386 | printf ("\n First symbol: %ld", | |
1387 | (AUX_GET_ISYM (bigendian, | |
1388 | &aux_base[ecoff_ext.asym.index]) | |
1389 | + sym_base)); | |
1390 | break; | |
1391 | ||
1392 | case stProc: | |
1393 | case stStaticProc: | |
1394 | if (MIPS_IS_STAB (&ecoff_ext.asym)) | |
1395 | ; | |
1396 | else if (ecoffsymbol (symbol)->local) | |
1397 | printf ("\n End+1 symbol: %-7ld Type: %s", | |
1398 | (AUX_GET_ISYM (bigendian, | |
1399 | &aux_base[ecoff_ext.asym.index]) | |
1400 | + sym_base), | |
f6409552 ILT |
1401 | ecoff_type_to_string (abfd, aux_base, indx + 1, |
1402 | bigendian)); | |
515c4292 | 1403 | else |
b6bef862 ILT |
1404 | printf ("\n Local symbol: %d", |
1405 | (indx | |
1406 | + sym_base | |
1407 | + ecoff_data (abfd)->symbolic_header.iextMax)); | |
515c4292 ILT |
1408 | break; |
1409 | ||
1410 | default: | |
1411 | if (!MIPS_IS_STAB (&ecoff_ext.asym)) | |
1412 | printf ("\n Type: %s", | |
f6409552 ILT |
1413 | ecoff_type_to_string (abfd, aux_base, indx, |
1414 | bigendian)); | |
515c4292 ILT |
1415 | break; |
1416 | } | |
1417 | } | |
1418 | } | |
1419 | break; | |
1420 | } | |
1421 | } | |
1422 | \f | |
b6bef862 ILT |
1423 | /* Reloc handling. MIPS ECOFF relocs are packed into 8 bytes in |
1424 | external form. They use a bit which indicates whether the symbol | |
1425 | is external. */ | |
1426 | ||
1427 | /* Swap a reloc in. */ | |
1428 | ||
1429 | static void | |
f6409552 ILT |
1430 | ecoff_swap_reloc_in (abfd, ext, intern) |
1431 | bfd *abfd; | |
1432 | RELOC *ext; | |
1433 | struct internal_reloc *intern; | |
b6bef862 ILT |
1434 | { |
1435 | intern->r_vaddr = bfd_h_get_32 (abfd, (bfd_byte *) ext->r_vaddr); | |
1436 | if (abfd->xvec->header_byteorder_big_p != false) | |
1437 | { | |
c3fe0c41 | 1438 | intern->r_symndx = (((int) ext->r_bits[0] |
b6bef862 | 1439 | << RELOC_BITS0_SYMNDX_SH_LEFT_BIG) |
c3fe0c41 | 1440 | | ((int) ext->r_bits[1] |
b6bef862 | 1441 | << RELOC_BITS1_SYMNDX_SH_LEFT_BIG) |
c3fe0c41 | 1442 | | ((int) ext->r_bits[2] |
b6bef862 ILT |
1443 | << RELOC_BITS2_SYMNDX_SH_LEFT_BIG)); |
1444 | intern->r_type = ((ext->r_bits[3] & RELOC_BITS3_TYPE_BIG) | |
1445 | >> RELOC_BITS3_TYPE_SH_BIG); | |
1446 | intern->r_extern = (ext->r_bits[3] & RELOC_BITS3_EXTERN_BIG) != 0; | |
1447 | } | |
1448 | else | |
1449 | { | |
c3fe0c41 | 1450 | intern->r_symndx = (((int) ext->r_bits[0] |
b6bef862 | 1451 | << RELOC_BITS0_SYMNDX_SH_LEFT_LITTLE) |
c3fe0c41 | 1452 | | ((int) ext->r_bits[1] |
b6bef862 | 1453 | << RELOC_BITS1_SYMNDX_SH_LEFT_LITTLE) |
c3fe0c41 | 1454 | | ((int) ext->r_bits[2] |
b6bef862 ILT |
1455 | << RELOC_BITS2_SYMNDX_SH_LEFT_LITTLE)); |
1456 | intern->r_type = ((ext->r_bits[3] & RELOC_BITS3_TYPE_LITTLE) | |
1457 | >> RELOC_BITS3_TYPE_SH_LITTLE); | |
1458 | intern->r_extern = (ext->r_bits[3] & RELOC_BITS3_EXTERN_LITTLE) != 0; | |
1459 | } | |
1460 | } | |
1461 | ||
1462 | /* Swap a reloc out. */ | |
1463 | ||
1464 | static unsigned int | |
f6409552 ILT |
1465 | ecoff_swap_reloc_out (abfd, src, dst) |
1466 | bfd *abfd; | |
1467 | PTR src; | |
1468 | PTR dst; | |
b6bef862 ILT |
1469 | { |
1470 | struct internal_reloc *intern = (struct internal_reloc *) src; | |
1471 | RELOC *ext = (RELOC *) dst; | |
1472 | ||
1473 | bfd_h_put_32 (abfd, intern->r_vaddr, (bfd_byte *) ext->r_vaddr); | |
1474 | if (abfd->xvec->header_byteorder_big_p != false) | |
1475 | { | |
1476 | ext->r_bits[0] = intern->r_symndx >> RELOC_BITS0_SYMNDX_SH_LEFT_BIG; | |
1477 | ext->r_bits[1] = intern->r_symndx >> RELOC_BITS1_SYMNDX_SH_LEFT_BIG; | |
1478 | ext->r_bits[2] = intern->r_symndx >> RELOC_BITS2_SYMNDX_SH_LEFT_BIG; | |
1479 | ext->r_bits[3] = (((intern->r_type << RELOC_BITS3_TYPE_SH_BIG) | |
1480 | & RELOC_BITS3_TYPE_BIG) | |
1481 | | (intern->r_extern ? RELOC_BITS3_EXTERN_BIG : 0)); | |
1482 | } | |
1483 | else | |
1484 | { | |
1485 | ext->r_bits[0] = intern->r_symndx >> RELOC_BITS0_SYMNDX_SH_LEFT_LITTLE; | |
1486 | ext->r_bits[1] = intern->r_symndx >> RELOC_BITS1_SYMNDX_SH_LEFT_LITTLE; | |
1487 | ext->r_bits[2] = intern->r_symndx >> RELOC_BITS2_SYMNDX_SH_LEFT_LITTLE; | |
1488 | ext->r_bits[3] = (((intern->r_type << RELOC_BITS3_TYPE_SH_LITTLE) | |
1489 | & RELOC_BITS3_TYPE_LITTLE) | |
1490 | | (intern->r_extern ? RELOC_BITS3_EXTERN_LITTLE : 0)); | |
1491 | } | |
1492 | ||
1493 | return RELSZ; | |
1494 | } | |
1495 | ||
bf4b84bc ILT |
1496 | /* ECOFF relocs are either against external symbols, or against |
1497 | sections. If we are producing relocateable output, and the reloc | |
46bc1bf6 ILT |
1498 | is against an external symbol, and nothing has given us any |
1499 | additional addend, the resulting reloc will also be against the | |
1500 | same symbol. In such a case, we don't want to change anything | |
1501 | about the way the reloc is handled, since it will all be done at | |
1502 | final link time. Rather than put special case code into | |
bf4b84bc ILT |
1503 | bfd_perform_relocation, all the reloc types use this howto |
1504 | function. It just short circuits the reloc if producing | |
1505 | relocateable output against an external symbol. */ | |
1506 | ||
1507 | static bfd_reloc_status_type | |
1508 | ecoff_generic_reloc (abfd, | |
1509 | reloc_entry, | |
1510 | symbol, | |
1511 | data, | |
1512 | input_section, | |
1513 | output_bfd) | |
1514 | bfd *abfd; | |
1515 | arelent *reloc_entry; | |
1516 | asymbol *symbol; | |
1517 | PTR data; | |
1518 | asection *input_section; | |
1519 | bfd *output_bfd; | |
1520 | { | |
1521 | if (output_bfd != (bfd *) NULL | |
46bc1bf6 ILT |
1522 | && (symbol->flags & BSF_SECTION_SYM) == 0 |
1523 | && reloc_entry->addend == 0) | |
bf4b84bc ILT |
1524 | { |
1525 | reloc_entry->address += input_section->output_offset; | |
1526 | return bfd_reloc_ok; | |
1527 | } | |
1528 | ||
1529 | return bfd_reloc_continue; | |
1530 | } | |
1531 | ||
46bc1bf6 ILT |
1532 | /* Do a REFHI relocation. This has to be done in combination with a |
1533 | REFLO reloc, because there is a carry from the REFLO to the REFHI. | |
1534 | Here we just save the information we need; we do the actual | |
1535 | relocation when we see the REFLO. ECOFF requires that the REFLO | |
1536 | immediately follow the REFHI, so this ought to work. */ | |
1537 | ||
1538 | static bfd_byte *ecoff_refhi_addr; | |
1539 | static bfd_vma ecoff_refhi_addend; | |
b6bef862 ILT |
1540 | |
1541 | static bfd_reloc_status_type | |
bf4b84bc ILT |
1542 | ecoff_refhi_reloc (abfd, |
1543 | reloc_entry, | |
1544 | symbol, | |
1545 | data, | |
1546 | input_section, | |
1547 | output_bfd) | |
1548 | bfd *abfd; | |
1549 | arelent *reloc_entry; | |
1550 | asymbol *symbol; | |
1551 | PTR data; | |
1552 | asection *input_section; | |
1553 | bfd *output_bfd; | |
b6bef862 ILT |
1554 | { |
1555 | bfd_reloc_status_type ret; | |
b6bef862 | 1556 | bfd_vma relocation; |
b6bef862 | 1557 | |
bf4b84bc ILT |
1558 | /* If we're relocating, and this an external symbol, we don't want |
1559 | to change anything. */ | |
1560 | if (output_bfd != (bfd *) NULL | |
46bc1bf6 ILT |
1561 | && (symbol->flags & BSF_SECTION_SYM) == 0 |
1562 | && reloc_entry->addend == 0) | |
bf4b84bc ILT |
1563 | { |
1564 | reloc_entry->address += input_section->output_offset; | |
1565 | return bfd_reloc_ok; | |
1566 | } | |
1567 | ||
b6bef862 ILT |
1568 | ret = bfd_reloc_ok; |
1569 | if (symbol->section == &bfd_und_section | |
1570 | && output_bfd == (bfd *) NULL) | |
1571 | ret = bfd_reloc_undefined; | |
1572 | ||
382f2a3d | 1573 | if (bfd_is_com_section (symbol->section)) |
b6bef862 ILT |
1574 | relocation = 0; |
1575 | else | |
1576 | relocation = symbol->value; | |
1577 | ||
bf4b84bc ILT |
1578 | relocation += symbol->section->output_section->vma; |
1579 | relocation += symbol->section->output_offset; | |
c3fe0c41 | 1580 | relocation += reloc_entry->addend; |
b6bef862 ILT |
1581 | |
1582 | if (reloc_entry->address > input_section->_cooked_size) | |
1583 | return bfd_reloc_outofrange; | |
1584 | ||
46bc1bf6 ILT |
1585 | /* Save the information, and let REFLO do the actual relocation. */ |
1586 | ecoff_refhi_addr = (bfd_byte *) data + reloc_entry->address; | |
1587 | ecoff_refhi_addend = relocation; | |
b6bef862 | 1588 | |
46bc1bf6 | 1589 | if (output_bfd != (bfd *) NULL) |
c3fe0c41 ILT |
1590 | reloc_entry->address += input_section->output_offset; |
1591 | ||
b6bef862 ILT |
1592 | return ret; |
1593 | } | |
1594 | ||
46bc1bf6 ILT |
1595 | /* Do a REFLO relocation. This is a straightforward 16 bit inplace |
1596 | relocation; this function exists in order to do the REFHI | |
1597 | relocation described above. */ | |
1598 | ||
1599 | static bfd_reloc_status_type | |
1600 | ecoff_reflo_reloc (abfd, | |
1601 | reloc_entry, | |
1602 | symbol, | |
1603 | data, | |
1604 | input_section, | |
1605 | output_bfd) | |
1606 | bfd *abfd; | |
1607 | arelent *reloc_entry; | |
1608 | asymbol *symbol; | |
1609 | PTR data; | |
1610 | asection *input_section; | |
1611 | bfd *output_bfd; | |
1612 | { | |
1613 | if (ecoff_refhi_addr != (bfd_byte *) NULL) | |
1614 | { | |
1615 | unsigned long insn; | |
1616 | unsigned long val; | |
1617 | unsigned long vallo; | |
1618 | ||
1619 | /* Do the REFHI relocation. Note that we actually don't need to | |
1620 | know anything about the REFLO itself, except where to find | |
1621 | the low 16 bits of the addend needed by the REFHI. */ | |
1622 | insn = bfd_get_32 (abfd, ecoff_refhi_addr); | |
1623 | vallo = (bfd_get_32 (abfd, (bfd_byte *) data + reloc_entry->address) | |
1624 | & 0xffff); | |
1625 | val = ((insn & 0xffff) << 16) + vallo; | |
1626 | val += ecoff_refhi_addend; | |
1627 | ||
1628 | /* The low order 16 bits are always treated as a signed value. | |
1629 | Therefore, a negative value in the low order bits requires an | |
1630 | adjustment in the high order bits. We need to make this | |
1631 | adjustment in two ways: once for the bits we took from the | |
1632 | data, and once for the bits we are putting back in to the | |
1633 | data. */ | |
1634 | if ((vallo & 0x8000) != 0) | |
1635 | val -= 0x10000; | |
1636 | if ((val & 0x8000) != 0) | |
1637 | val += 0x10000; | |
1638 | ||
1639 | insn = (insn &~ 0xffff) | ((val >> 16) & 0xffff); | |
1640 | bfd_put_32 (abfd, insn, ecoff_refhi_addr); | |
1641 | ||
1642 | ecoff_refhi_addr = (bfd_byte *) NULL; | |
1643 | } | |
1644 | ||
1645 | /* Now do the REFLO reloc in the usual way. */ | |
1646 | return ecoff_generic_reloc (abfd, reloc_entry, symbol, data, | |
1647 | input_section, output_bfd); | |
1648 | } | |
1649 | ||
b6bef862 ILT |
1650 | /* Do a GPREL relocation. This is a 16 bit value which must become |
1651 | the offset from the gp register. */ | |
1652 | ||
1653 | static bfd_reloc_status_type | |
bf4b84bc ILT |
1654 | ecoff_gprel_reloc (abfd, |
1655 | reloc_entry, | |
1656 | symbol, | |
1657 | data, | |
1658 | input_section, | |
1659 | output_bfd) | |
1660 | bfd *abfd; | |
1661 | arelent *reloc_entry; | |
1662 | asymbol *symbol; | |
1663 | PTR data; | |
1664 | asection *input_section; | |
1665 | bfd *output_bfd; | |
b6bef862 | 1666 | { |
c3fe0c41 | 1667 | boolean relocateable; |
b6bef862 ILT |
1668 | bfd_vma relocation; |
1669 | unsigned long val; | |
1670 | unsigned long insn; | |
1671 | ||
46bc1bf6 ILT |
1672 | /* If we're relocating, and this is an external symbol with no |
1673 | addend, we don't want to change anything. We will only have an | |
1674 | addend if this is a newly created reloc, not read from an ECOFF | |
1675 | file. */ | |
bf4b84bc | 1676 | if (output_bfd != (bfd *) NULL |
46bc1bf6 ILT |
1677 | && (symbol->flags & BSF_SECTION_SYM) == 0 |
1678 | && reloc_entry->addend == 0) | |
bf4b84bc ILT |
1679 | { |
1680 | reloc_entry->address += input_section->output_offset; | |
1681 | return bfd_reloc_ok; | |
1682 | } | |
1683 | ||
b6bef862 | 1684 | if (output_bfd != (bfd *) NULL) |
c3fe0c41 ILT |
1685 | relocateable = true; |
1686 | else | |
1687 | { | |
1688 | relocateable = false; | |
1689 | output_bfd = symbol->section->output_section->owner; | |
1690 | } | |
b6bef862 | 1691 | |
c3fe0c41 ILT |
1692 | if (symbol->section == &bfd_und_section |
1693 | && relocateable == false) | |
1694 | return bfd_reloc_undefined; | |
b6bef862 | 1695 | |
c3fe0c41 ILT |
1696 | /* We have to figure out the gp value, so that we can adjust the |
1697 | symbol value correctly. We look up the symbol _gp in the output | |
1698 | BFD. If we can't find it, we're stuck. We cache it in the ECOFF | |
46bc1bf6 ILT |
1699 | target data. We don't need to adjust the symbol value for an |
1700 | external symbol if we are producing relocateable output. */ | |
1701 | if (ecoff_data (output_bfd)->gp == 0 | |
1702 | && (relocateable == false | |
1703 | || (symbol->flags & BSF_SECTION_SYM) != 0)) | |
b6bef862 | 1704 | { |
bf4b84bc | 1705 | if (relocateable != false) |
c3fe0c41 ILT |
1706 | { |
1707 | /* Make up a value. */ | |
1708 | ecoff_data (output_bfd)->gp = | |
1709 | symbol->section->output_section->vma + 0x4000; | |
1710 | } | |
1711 | else | |
1712 | { | |
1713 | unsigned int count; | |
1714 | asymbol **sym; | |
1715 | unsigned int i; | |
b6bef862 | 1716 | |
c3fe0c41 ILT |
1717 | count = bfd_get_symcount (output_bfd); |
1718 | sym = bfd_get_outsymbols (output_bfd); | |
b6bef862 | 1719 | |
c3fe0c41 ILT |
1720 | /* We should do something more friendly here, but we don't |
1721 | have a good reloc status to return. */ | |
1722 | if (sym == (asymbol **) NULL) | |
1723 | abort (); | |
b6bef862 | 1724 | |
c3fe0c41 | 1725 | for (i = 0; i < count; i++, sym++) |
b6bef862 | 1726 | { |
c3fe0c41 ILT |
1727 | register CONST char *name; |
1728 | ||
1729 | name = bfd_asymbol_name (*sym); | |
1730 | if (*name == '_' && strcmp (name, "_gp") == 0) | |
1731 | { | |
1732 | ecoff_data (output_bfd)->gp = bfd_asymbol_value (*sym); | |
1733 | break; | |
1734 | } | |
b6bef862 | 1735 | } |
b6bef862 | 1736 | |
c3fe0c41 ILT |
1737 | /* We should do something more friendly here, but we don't have |
1738 | a good reloc status to return. */ | |
1739 | if (i >= count) | |
1740 | abort (); | |
1741 | } | |
b6bef862 ILT |
1742 | } |
1743 | ||
382f2a3d | 1744 | if (bfd_is_com_section (symbol->section)) |
b6bef862 ILT |
1745 | relocation = 0; |
1746 | else | |
1747 | relocation = symbol->value; | |
1748 | ||
1749 | relocation += symbol->section->output_section->vma; | |
1750 | relocation += symbol->section->output_offset; | |
1751 | ||
1752 | if (reloc_entry->address > input_section->_cooked_size) | |
1753 | return bfd_reloc_outofrange; | |
1754 | ||
1755 | insn = bfd_get_32 (abfd, (bfd_byte *) data + reloc_entry->address); | |
c3fe0c41 | 1756 | |
46bc1bf6 | 1757 | /* Set val to the offset into the section or symbol. */ |
c3fe0c41 ILT |
1758 | val = ((insn & 0xffff) + reloc_entry->addend) & 0xffff; |
1759 | if (val & 0x8000) | |
b6bef862 | 1760 | val -= 0x10000; |
c3fe0c41 | 1761 | |
46bc1bf6 ILT |
1762 | /* Adjust val for the final section location and GP value. If we |
1763 | are producing relocateable output, we don't want to do this for | |
1764 | an external symbol. */ | |
1765 | if (relocateable == false | |
1766 | || (symbol->flags & BSF_SECTION_SYM) != 0) | |
1767 | val += relocation - ecoff_data (output_bfd)->gp; | |
c3fe0c41 | 1768 | |
b6bef862 ILT |
1769 | insn = (insn &~ 0xffff) | (val & 0xffff); |
1770 | bfd_put_32 (abfd, insn, (bfd_byte *) data + reloc_entry->address); | |
1771 | ||
bf4b84bc | 1772 | if (relocateable != false) |
c3fe0c41 ILT |
1773 | reloc_entry->address += input_section->output_offset; |
1774 | ||
1775 | /* Make sure it fit in 16 bits. */ | |
1776 | if (val >= 0x8000 && val < 0xffff8000) | |
1777 | return bfd_reloc_outofrange; | |
1778 | ||
1779 | return bfd_reloc_ok; | |
b6bef862 ILT |
1780 | } |
1781 | ||
1782 | /* How to process the various relocs types. */ | |
1783 | ||
1784 | static reloc_howto_type ecoff_howto_table[] = | |
1785 | { | |
1786 | /* Reloc type 0 is ignored. The reloc reading code ensures that | |
1787 | this is a reference to the .abs section, which will cause | |
1788 | bfd_perform_relocation to do nothing. */ | |
1789 | HOWTO (ECOFF_R_IGNORE, /* type */ | |
1790 | 0, /* rightshift */ | |
1791 | 0, /* size (0 = byte, 1 = short, 2 = long) */ | |
1792 | 8, /* bitsize (obsolete) */ | |
1793 | false, /* pc_relative */ | |
1794 | 0, /* bitpos */ | |
1795 | false, /* absolute (obsolete) */ | |
1796 | false, /* complain_on_overflow */ | |
1797 | 0, /* special_function */ | |
1798 | "IGNORE", /* name */ | |
1799 | false, /* partial_inplace */ | |
1800 | 0, /* src_mask */ | |
1801 | 0, /* dst_mask */ | |
1802 | false), /* pcrel_offset */ | |
1803 | ||
1804 | /* A 16 bit reference to a symbol, normally from a data section. */ | |
1805 | HOWTO (ECOFF_R_REFHALF, /* type */ | |
1806 | 0, /* rightshift */ | |
1807 | 1, /* size (0 = byte, 1 = short, 2 = long) */ | |
1808 | 16, /* bitsize (obsolete) */ | |
1809 | false, /* pc_relative */ | |
1810 | 0, /* bitpos */ | |
1811 | false, /* absolute (obsolete) */ | |
1812 | true, /* complain_on_overflow */ | |
bf4b84bc | 1813 | ecoff_generic_reloc, /* special_function */ |
b6bef862 ILT |
1814 | "REFHALF", /* name */ |
1815 | true, /* partial_inplace */ | |
1816 | 0xffff, /* src_mask */ | |
1817 | 0xffff, /* dst_mask */ | |
1818 | false), /* pcrel_offset */ | |
1819 | ||
1820 | /* A 32 bit reference to a symbol, normally from a data section. */ | |
1821 | HOWTO (ECOFF_R_REFWORD, /* type */ | |
1822 | 0, /* rightshift */ | |
1823 | 2, /* size (0 = byte, 1 = short, 2 = long) */ | |
1824 | 32, /* bitsize (obsolete) */ | |
1825 | false, /* pc_relative */ | |
1826 | 0, /* bitpos */ | |
1827 | false, /* absolute (obsolete) */ | |
1828 | true, /* complain_on_overflow */ | |
bf4b84bc | 1829 | ecoff_generic_reloc, /* special_function */ |
b6bef862 ILT |
1830 | "REFWORD", /* name */ |
1831 | true, /* partial_inplace */ | |
1832 | 0xffffffff, /* src_mask */ | |
1833 | 0xffffffff, /* dst_mask */ | |
1834 | false), /* pcrel_offset */ | |
1835 | ||
1836 | /* A 26 bit absolute jump address. */ | |
1837 | HOWTO (ECOFF_R_JMPADDR, /* type */ | |
1838 | 2, /* rightshift */ | |
1839 | 2, /* size (0 = byte, 1 = short, 2 = long) */ | |
1840 | 32, /* bitsize (obsolete) */ | |
1841 | false, /* pc_relative */ | |
1842 | 0, /* bitpos */ | |
1843 | false, /* absolute (obsolete) */ | |
1844 | true, /* complain_on_overflow */ | |
bf4b84bc | 1845 | ecoff_generic_reloc, /* special_function */ |
b6bef862 ILT |
1846 | "JMPADDR", /* name */ |
1847 | true, /* partial_inplace */ | |
1848 | 0x3ffffff, /* src_mask */ | |
1849 | 0x3ffffff, /* dst_mask */ | |
1850 | false), /* pcrel_offset */ | |
1851 | ||
1852 | /* The high 16 bits of a symbol value. Handled by the function | |
1853 | ecoff_refhi_reloc. */ | |
1854 | HOWTO (ECOFF_R_REFHI, /* type */ | |
1855 | 16, /* rightshift */ | |
1856 | 2, /* size (0 = byte, 1 = short, 2 = long) */ | |
1857 | 32, /* bitsize (obsolete) */ | |
1858 | false, /* pc_relative */ | |
1859 | 0, /* bitpos */ | |
1860 | false, /* absolute (obsolete) */ | |
1861 | true, /* complain_on_overflow */ | |
1862 | ecoff_refhi_reloc, /* special_function */ | |
1863 | "REFHI", /* name */ | |
1864 | true, /* partial_inplace */ | |
1865 | 0xffff, /* src_mask */ | |
1866 | 0xffff, /* dst_mask */ | |
1867 | false), /* pcrel_offset */ | |
1868 | ||
1869 | /* The low 16 bits of a symbol value. */ | |
1870 | HOWTO (ECOFF_R_REFLO, /* type */ | |
1871 | 0, /* rightshift */ | |
1872 | 2, /* size (0 = byte, 1 = short, 2 = long) */ | |
1873 | 32, /* bitsize (obsolete) */ | |
1874 | false, /* pc_relative */ | |
1875 | 0, /* bitpos */ | |
1876 | false, /* absolute (obsolete) */ | |
1877 | true, /* complain_on_overflow */ | |
46bc1bf6 | 1878 | ecoff_reflo_reloc, /* special_function */ |
b6bef862 ILT |
1879 | "REFLO", /* name */ |
1880 | true, /* partial_inplace */ | |
1881 | 0xffff, /* src_mask */ | |
1882 | 0xffff, /* dst_mask */ | |
1883 | false), /* pcrel_offset */ | |
1884 | ||
1885 | /* A reference to an offset from the gp register. Handled by the | |
1886 | function ecoff_gprel_reloc. */ | |
1887 | HOWTO (ECOFF_R_GPREL, /* type */ | |
1888 | 0, /* rightshift */ | |
1889 | 2, /* size (0 = byte, 1 = short, 2 = long) */ | |
1890 | 32, /* bitsize (obsolete) */ | |
1891 | false, /* pc_relative */ | |
1892 | 0, /* bitpos */ | |
1893 | false, /* absolute (obsolete) */ | |
1894 | true, /* complain_on_overflow */ | |
1895 | ecoff_gprel_reloc, /* special_function */ | |
1896 | "GPREL", /* name */ | |
1897 | true, /* partial_inplace */ | |
1898 | 0xffff, /* src_mask */ | |
1899 | 0xffff, /* dst_mask */ | |
1900 | false), /* pcrel_offset */ | |
1901 | ||
1902 | /* A reference to a literal using an offset from the gp register. | |
1903 | Handled by the function ecoff_gprel_reloc. */ | |
1904 | HOWTO (ECOFF_R_LITERAL, /* type */ | |
1905 | 0, /* rightshift */ | |
1906 | 2, /* size (0 = byte, 1 = short, 2 = long) */ | |
1907 | 32, /* bitsize (obsolete) */ | |
1908 | false, /* pc_relative */ | |
1909 | 0, /* bitpos */ | |
1910 | false, /* absolute (obsolete) */ | |
1911 | true, /* complain_on_overflow */ | |
1912 | ecoff_gprel_reloc, /* special_function */ | |
1913 | "LITERAL", /* name */ | |
1914 | true, /* partial_inplace */ | |
1915 | 0xffff, /* src_mask */ | |
1916 | 0xffff, /* dst_mask */ | |
1917 | false) /* pcrel_offset */ | |
1918 | }; | |
1919 | ||
f68d8549 ILT |
1920 | #define ECOFF_HOWTO_COUNT \ |
1921 | (sizeof ecoff_howto_table / sizeof ecoff_howto_table[0]) | |
1922 | ||
b6bef862 ILT |
1923 | /* Read in the relocs for a section. */ |
1924 | ||
1925 | static boolean | |
f6409552 ILT |
1926 | ecoff_slurp_reloc_table (abfd, section, symbols) |
1927 | bfd *abfd; | |
1928 | asection *section; | |
1929 | asymbol **symbols; | |
b6bef862 ILT |
1930 | { |
1931 | RELOC *external_relocs; | |
1932 | arelent *internal_relocs; | |
1933 | arelent *rptr; | |
1934 | unsigned int i; | |
1935 | ||
1936 | if (section->relocation != (arelent *) NULL | |
1937 | || section->reloc_count == 0 | |
1938 | || (section->flags & SEC_CONSTRUCTOR) != 0) | |
1939 | return true; | |
1940 | ||
1941 | if (ecoff_slurp_symbol_table (abfd) == false) | |
1942 | return false; | |
1943 | ||
1944 | internal_relocs = (arelent *) bfd_alloc (abfd, | |
1945 | (sizeof (arelent) | |
1946 | * section->reloc_count)); | |
1947 | external_relocs = (RELOC *) bfd_alloc (abfd, RELSZ * section->reloc_count); | |
1948 | if (internal_relocs == (arelent *) NULL | |
1949 | || external_relocs == (RELOC *) NULL) | |
1950 | { | |
1951 | bfd_error = no_memory; | |
1952 | return false; | |
1953 | } | |
1954 | if (bfd_seek (abfd, section->rel_filepos, SEEK_SET) != 0) | |
1955 | return false; | |
1956 | if (bfd_read (external_relocs, 1, RELSZ * section->reloc_count, abfd) | |
1957 | != RELSZ * section->reloc_count) | |
1958 | { | |
1959 | bfd_error = system_call_error; | |
1960 | return false; | |
1961 | } | |
1962 | ||
1963 | for (i = 0, rptr = internal_relocs; i < section->reloc_count; i++, rptr++) | |
1964 | { | |
1965 | struct internal_reloc intern; | |
1966 | ||
1967 | ecoff_swap_reloc_in (abfd, external_relocs + i, &intern); | |
1968 | ||
c3fe0c41 | 1969 | if (intern.r_type > ECOFF_R_LITERAL) |
b6bef862 ILT |
1970 | abort (); |
1971 | ||
1972 | if (intern.r_extern) | |
1973 | { | |
1974 | /* r_symndx is an index into the external symbols. */ | |
1975 | BFD_ASSERT (intern.r_symndx >= 0 | |
1976 | && (intern.r_symndx | |
1977 | < ecoff_data (abfd)->symbolic_header.iextMax)); | |
1978 | rptr->sym_ptr_ptr = symbols + intern.r_symndx; | |
c3fe0c41 | 1979 | rptr->addend = 0; |
b6bef862 ILT |
1980 | } |
1981 | else | |
1982 | { | |
1983 | CONST char *sec_name; | |
1984 | asection *sec; | |
1985 | ||
1986 | /* r_symndx is a section key. */ | |
1987 | switch (intern.r_symndx) | |
1988 | { | |
1989 | case RELOC_SECTION_TEXT: sec_name = ".text"; break; | |
1990 | case RELOC_SECTION_RDATA: sec_name = ".rdata"; break; | |
1991 | case RELOC_SECTION_DATA: sec_name = ".data"; break; | |
1992 | case RELOC_SECTION_SDATA: sec_name = ".sdata"; break; | |
1993 | case RELOC_SECTION_SBSS: sec_name = ".sbss"; break; | |
1994 | case RELOC_SECTION_BSS: sec_name = ".bss"; break; | |
1995 | case RELOC_SECTION_INIT: sec_name = ".init"; break; | |
1996 | case RELOC_SECTION_LIT8: sec_name = ".lit8"; break; | |
1997 | case RELOC_SECTION_LIT4: sec_name = ".lit4"; break; | |
1998 | default: abort (); | |
1999 | } | |
2000 | ||
2001 | sec = bfd_get_section_by_name (abfd, sec_name); | |
2002 | if (sec == (asection *) NULL) | |
2003 | abort (); | |
2004 | rptr->sym_ptr_ptr = sec->symbol_ptr_ptr; | |
c3fe0c41 ILT |
2005 | |
2006 | rptr->addend = - bfd_get_section_vma (abfd, sec); | |
2007 | if (intern.r_type == ECOFF_R_GPREL | |
2008 | || intern.r_type == ECOFF_R_LITERAL) | |
2009 | rptr->addend += ecoff_data (abfd)->gp; | |
b6bef862 ILT |
2010 | } |
2011 | ||
2012 | rptr->address = intern.r_vaddr - bfd_get_section_vma (abfd, section); | |
b6bef862 ILT |
2013 | rptr->howto = &ecoff_howto_table[intern.r_type]; |
2014 | ||
2015 | /* If the type is ECOFF_R_IGNORE, make sure this is a reference | |
2016 | to the absolute section so that the reloc is ignored. */ | |
2017 | if (intern.r_type == ECOFF_R_IGNORE) | |
2018 | rptr->sym_ptr_ptr = bfd_abs_section.symbol_ptr_ptr; | |
2019 | } | |
2020 | ||
2021 | bfd_release (abfd, external_relocs); | |
2022 | ||
2023 | section->relocation = internal_relocs; | |
2024 | ||
2025 | return true; | |
2026 | } | |
2027 | ||
2028 | /* Get a canonical list of relocs. */ | |
2029 | ||
2030 | static unsigned int | |
f6409552 ILT |
2031 | ecoff_canonicalize_reloc (abfd, section, relptr, symbols) |
2032 | bfd *abfd; | |
2033 | asection *section; | |
2034 | arelent **relptr; | |
2035 | asymbol **symbols; | |
b6bef862 ILT |
2036 | { |
2037 | unsigned int count; | |
2038 | ||
2039 | if (section->flags & SEC_CONSTRUCTOR) | |
2040 | { | |
2041 | arelent_chain *chain; | |
2042 | ||
2043 | /* This section has relocs made up by us, not the file, so take | |
2044 | them out of their chain and place them into the data area | |
2045 | provided. */ | |
2046 | for (count = 0, chain = section->constructor_chain; | |
2047 | count < section->reloc_count; | |
2048 | count++, chain = chain->next) | |
2049 | *relptr++ = &chain->relent; | |
2050 | } | |
bf4b84bc | 2051 | else |
b6bef862 ILT |
2052 | { |
2053 | arelent *tblptr; | |
2054 | ||
2055 | if (ecoff_slurp_reloc_table (abfd, section, symbols) == false) | |
2056 | return 0; | |
2057 | ||
2058 | tblptr = section->relocation; | |
2059 | if (tblptr == (arelent *) NULL) | |
2060 | return 0; | |
2061 | ||
2062 | for (count = 0; count < section->reloc_count; count++) | |
2063 | *relptr++ = tblptr++; | |
2064 | } | |
2065 | ||
2066 | *relptr = (arelent *) NULL; | |
2067 | ||
2068 | return section->reloc_count; | |
2069 | } | |
f68d8549 ILT |
2070 | |
2071 | /* Get the howto structure for a generic reloc type. */ | |
2072 | ||
2073 | static CONST struct reloc_howto_struct * | |
2074 | ecoff_bfd_reloc_type_lookup (abfd, code) | |
2075 | bfd *abfd; | |
2076 | bfd_reloc_code_real_type code; | |
2077 | { | |
2078 | int ecoff_type; | |
2079 | ||
2080 | switch (code) | |
2081 | { | |
2082 | case BFD_RELOC_16: | |
2083 | ecoff_type = ECOFF_R_REFHALF; | |
2084 | break; | |
2085 | case BFD_RELOC_32: | |
2086 | ecoff_type = ECOFF_R_REFWORD; | |
2087 | break; | |
2088 | case BFD_RELOC_MIPS_JMP: | |
2089 | ecoff_type = ECOFF_R_JMPADDR; | |
2090 | break; | |
2091 | case BFD_RELOC_HI16_S: | |
2092 | ecoff_type = ECOFF_R_REFHI; | |
2093 | break; | |
2094 | case BFD_RELOC_LO16: | |
2095 | ecoff_type = ECOFF_R_REFLO; | |
2096 | break; | |
46bc1bf6 ILT |
2097 | case BFD_RELOC_MIPS_GPREL: |
2098 | ecoff_type = ECOFF_R_GPREL; | |
2099 | break; | |
f68d8549 ILT |
2100 | default: |
2101 | return (CONST struct reloc_howto_struct *) NULL; | |
2102 | } | |
2103 | ||
2104 | return &ecoff_howto_table[ecoff_type]; | |
2105 | } | |
b6bef862 | 2106 | \f |
515c4292 ILT |
2107 | /* Provided a BFD, a section and an offset into the section, calculate |
2108 | and return the name of the source file and the line nearest to the | |
2109 | wanted location. */ | |
2110 | ||
2111 | static boolean | |
f6409552 ILT |
2112 | ecoff_find_nearest_line (abfd, |
2113 | section, | |
2114 | ignore_symbols, | |
2115 | offset, | |
2116 | filename_ptr, | |
2117 | functionname_ptr, | |
2118 | retline_ptr) | |
2119 | bfd *abfd; | |
2120 | asection *section; | |
2121 | asymbol **ignore_symbols; | |
2122 | bfd_vma offset; | |
2123 | CONST char **filename_ptr; | |
2124 | CONST char **functionname_ptr; | |
2125 | unsigned int *retline_ptr; | |
515c4292 ILT |
2126 | { |
2127 | FDR *fdr_ptr; | |
2128 | FDR *fdr_start; | |
2129 | FDR *fdr_end; | |
2130 | FDR *fdr_hold; | |
2131 | struct pdr_ext *pdr_ptr; | |
2132 | struct pdr_ext *pdr_end; | |
2133 | PDR pdr; | |
2134 | unsigned char *line_ptr; | |
2135 | unsigned char *line_end; | |
2136 | int lineno; | |
515c4292 ILT |
2137 | |
2138 | /* If we're not in the .text section, we don't have any line | |
2139 | numbers. */ | |
6d18a99d ILT |
2140 | if (strcmp (section->name, _TEXT) != 0 |
2141 | || offset < ecoff_data (abfd)->text_start | |
2142 | || offset >= ecoff_data (abfd)->text_end) | |
515c4292 ILT |
2143 | return false; |
2144 | ||
8fa0d3a0 ILT |
2145 | /* Make sure we have the FDR's. */ |
2146 | if (ecoff_slurp_symbolic_info (abfd) == false | |
2147 | || bfd_get_symcount (abfd) == 0) | |
2148 | return false; | |
2149 | ||
515c4292 ILT |
2150 | /* Each file descriptor (FDR) has a memory address. Here we track |
2151 | down which FDR we want. The FDR's are stored in increasing | |
2152 | memory order. If speed is ever important, this can become a | |
2153 | binary search. We must ignore FDR's with no PDR entries; they | |
2154 | will have the adr of the FDR before or after them. */ | |
2155 | fdr_start = ecoff_data (abfd)->fdr; | |
2156 | fdr_end = fdr_start + ecoff_data (abfd)->symbolic_header.ifdMax; | |
2157 | fdr_hold = (FDR *) NULL; | |
2158 | for (fdr_ptr = fdr_start; fdr_ptr < fdr_end; fdr_ptr++) | |
2159 | { | |
6d18a99d ILT |
2160 | if (fdr_ptr->cpd == 0) |
2161 | continue; | |
515c4292 ILT |
2162 | if (offset < fdr_ptr->adr) |
2163 | break; | |
6d18a99d | 2164 | fdr_hold = fdr_ptr; |
515c4292 ILT |
2165 | } |
2166 | if (fdr_hold == (FDR *) NULL) | |
2167 | return false; | |
2168 | fdr_ptr = fdr_hold; | |
2169 | ||
2170 | /* Each FDR has a list of procedure descriptors (PDR). PDR's also | |
2171 | have an address, which is relative to the FDR address, and are | |
2172 | also stored in increasing memory order. */ | |
2173 | offset -= fdr_ptr->adr; | |
2174 | pdr_ptr = ecoff_data (abfd)->external_pdr + fdr_ptr->ipdFirst; | |
2175 | pdr_end = pdr_ptr + fdr_ptr->cpd; | |
2176 | ecoff_swap_pdr_in (abfd, pdr_ptr, &pdr); | |
14e3c2e4 JK |
2177 | |
2178 | /* The address of the first PDR is an offset which applies to the | |
2179 | addresses of all the PDR's. */ | |
2180 | offset += pdr.adr; | |
2181 | ||
515c4292 ILT |
2182 | for (pdr_ptr++; pdr_ptr < pdr_end; pdr_ptr++) |
2183 | { | |
2184 | ecoff_swap_pdr_in (abfd, pdr_ptr, &pdr); | |
2185 | if (offset < pdr.adr) | |
2186 | break; | |
2187 | } | |
2188 | ||
2189 | /* Now we can look for the actual line number. The line numbers are | |
2190 | stored in a very funky format, which I won't try to describe. | |
2191 | Note that right here pdr_ptr and pdr hold the PDR *after* the one | |
2192 | we want; we need this to compute line_end. */ | |
2193 | line_end = ecoff_data (abfd)->line; | |
2194 | if (pdr_ptr == pdr_end) | |
2195 | line_end += fdr_ptr->cbLineOffset + fdr_ptr->cbLine; | |
2196 | else | |
2197 | line_end += fdr_ptr->cbLineOffset + pdr.cbLineOffset; | |
2198 | ||
2199 | /* Now change pdr and pdr_ptr to the one we want. */ | |
2200 | pdr_ptr--; | |
2201 | ecoff_swap_pdr_in (abfd, pdr_ptr, &pdr); | |
2202 | ||
2203 | offset -= pdr.adr; | |
2204 | lineno = pdr.lnLow; | |
2205 | line_ptr = (ecoff_data (abfd)->line | |
2206 | + fdr_ptr->cbLineOffset | |
2207 | + pdr.cbLineOffset); | |
2208 | while (line_ptr < line_end) | |
2209 | { | |
2210 | int delta; | |
2211 | int count; | |
2212 | ||
2213 | delta = *line_ptr >> 4; | |
2214 | if (delta >= 0x8) | |
2215 | delta -= 0x10; | |
2216 | count = (*line_ptr & 0xf) + 1; | |
2217 | ++line_ptr; | |
2218 | if (delta == -8) | |
2219 | { | |
2220 | delta = (((line_ptr[0]) & 0xff) << 8) + ((line_ptr[1]) & 0xff); | |
2221 | if (delta >= 0x8000) | |
2222 | delta -= 0x10000; | |
2223 | line_ptr += 2; | |
2224 | } | |
2225 | lineno += delta; | |
2226 | if (offset < count * 4) | |
2227 | break; | |
2228 | offset -= count * 4; | |
2229 | } | |
2230 | ||
bf4b84bc ILT |
2231 | /* If fdr_ptr->rss is -1, then this file does not have full symbols, |
2232 | at least according to gdb/mipsread.c. */ | |
2233 | if (fdr_ptr->rss == -1) | |
2234 | { | |
2235 | *filename_ptr = NULL; | |
2236 | if (pdr.isym == -1) | |
2237 | *functionname_ptr = NULL; | |
2238 | else | |
2239 | { | |
2240 | EXTR proc_ext; | |
2241 | ||
2242 | ecoff_swap_ext_in (abfd, | |
2243 | (ecoff_data (abfd)->external_ext | |
2244 | + pdr.isym), | |
2245 | &proc_ext); | |
2246 | *functionname_ptr = ecoff_data (abfd)->ssext + proc_ext.asym.iss; | |
2247 | } | |
2248 | } | |
2249 | else | |
2250 | { | |
2251 | SYMR proc_sym; | |
2252 | ||
2253 | *filename_ptr = ecoff_data (abfd)->ss + fdr_ptr->issBase + fdr_ptr->rss; | |
2254 | ecoff_swap_sym_in (abfd, | |
2255 | (ecoff_data (abfd)->external_sym | |
2256 | + fdr_ptr->isymBase | |
2257 | + pdr.isym), | |
2258 | &proc_sym); | |
2259 | *functionname_ptr = (ecoff_data (abfd)->ss | |
2260 | + fdr_ptr->issBase | |
2261 | + proc_sym.iss); | |
2262 | } | |
515c4292 ILT |
2263 | *retline_ptr = lineno; |
2264 | return true; | |
2265 | } | |
2266 | \f | |
8fa0d3a0 ILT |
2267 | /* We can't use the generic linking routines for ECOFF, because we |
2268 | have to handle all the debugging information. The generic link | |
2269 | routine just works out the section contents and attaches a list of | |
2270 | symbols. | |
2271 | ||
2272 | We link by looping over all the seclets. We make two passes. On | |
2273 | the first we set the actual section contents and determine the size | |
2274 | of the debugging information. On the second we accumulate the | |
2275 | debugging information and write it out. | |
2276 | ||
2277 | This currently always accumulates the debugging information, which | |
2278 | is incorrect, because it ignores the -s and -S options of the | |
2279 | linker. The linker needs to be modified to give us that | |
2280 | information in a more useful format (currently it just provides a | |
2281 | list of symbols which should appear in the output file). */ | |
2282 | ||
2283 | /* Clear the output_has_begun flag for all the input BFD's. We use it | |
2284 | to avoid linking in the debugging information for a BFD more than | |
2285 | once. */ | |
2286 | ||
2287 | static void | |
f6409552 ILT |
2288 | ecoff_clear_output_flags (abfd) |
2289 | bfd *abfd; | |
8fa0d3a0 ILT |
2290 | { |
2291 | register asection *o; | |
2292 | register bfd_seclet_type *p; | |
2293 | ||
2294 | for (o = abfd->sections; o != (asection *) NULL; o = o->next) | |
2295 | for (p = o->seclets_head; | |
2296 | p != (bfd_seclet_type *) NULL; | |
2297 | p = p->next) | |
2298 | if (p->type == bfd_indirect_seclet) | |
2299 | p->u.indirect.section->owner->output_has_begun = false; | |
2300 | } | |
2301 | ||
2302 | /* Handle an indirect seclet on the first pass. Set the contents of | |
2303 | the output section, and accumulate the debugging information if | |
2304 | any. */ | |
2305 | ||
2306 | static boolean | |
f6409552 ILT |
2307 | ecoff_rel (output_bfd, seclet, output_section, data, relocateable) |
2308 | bfd *output_bfd; | |
2309 | bfd_seclet_type *seclet; | |
2310 | asection *output_section; | |
2311 | PTR data; | |
2312 | boolean relocateable; | |
8fa0d3a0 ILT |
2313 | { |
2314 | bfd *input_bfd; | |
2315 | HDRR *output_symhdr; | |
2316 | HDRR *input_symhdr; | |
2317 | ||
2318 | if ((output_section->flags & SEC_HAS_CONTENTS) | |
2319 | && !(output_section->flags & SEC_NEVER_LOAD) | |
2320 | && (output_section->flags & SEC_LOAD) | |
2321 | && seclet->size) | |
2322 | { | |
2323 | data = (PTR) bfd_get_relocated_section_contents (output_bfd, | |
2324 | seclet, | |
2325 | data, | |
2326 | relocateable); | |
2327 | if (bfd_set_section_contents (output_bfd, | |
2328 | output_section, | |
2329 | data, | |
2330 | seclet->offset, | |
2331 | seclet->size) | |
2332 | == false) | |
2333 | { | |
2334 | abort(); | |
2335 | } | |
2336 | } | |
2337 | ||
2338 | input_bfd = seclet->u.indirect.section->owner; | |
2339 | ||
2340 | /* We want to figure out how much space will be required to | |
2341 | incorporate all the debugging information from input_bfd. We use | |
2342 | the output_has_begun field to avoid adding it in more than once. | |
2343 | The actual incorporation is done in the second pass, in | |
2344 | ecoff_get_debug. The code has to parallel that code in its | |
2345 | manipulations of output_symhdr. */ | |
2346 | ||
2347 | if (input_bfd->output_has_begun) | |
2348 | return true; | |
2349 | input_bfd->output_has_begun = true; | |
2350 | ||
2351 | output_symhdr = &ecoff_data (output_bfd)->symbolic_header; | |
2352 | ||
2353 | if (input_bfd->xvec->flavour != bfd_target_ecoff_flavour) | |
2354 | { | |
2355 | asymbol **symbols; | |
2356 | asymbol **sym_ptr; | |
2357 | asymbol **sym_end; | |
2358 | ||
c3fe0c41 ILT |
2359 | /* We just accumulate local symbols from a non-ECOFF BFD. The |
2360 | external symbols are handled separately. */ | |
8fa0d3a0 ILT |
2361 | |
2362 | symbols = (asymbol **) bfd_alloc (output_bfd, | |
2363 | get_symtab_upper_bound (input_bfd)); | |
2364 | if (symbols == (asymbol **) NULL) | |
2365 | { | |
2366 | bfd_error = no_memory; | |
2367 | return false; | |
2368 | } | |
2369 | sym_end = symbols + bfd_canonicalize_symtab (input_bfd, symbols); | |
2370 | ||
2371 | for (sym_ptr = symbols; sym_ptr < sym_end; sym_ptr++) | |
2372 | { | |
2373 | size_t len; | |
2374 | ||
2375 | len = strlen ((*sym_ptr)->name); | |
2376 | if (((*sym_ptr)->flags & BSF_EXPORT) == 0) | |
2377 | { | |
2378 | ++output_symhdr->isymMax; | |
2379 | output_symhdr->issMax += len + 1; | |
2380 | } | |
8fa0d3a0 ILT |
2381 | } |
2382 | ||
2383 | bfd_release (output_bfd, (PTR) symbols); | |
2384 | ||
2385 | ++output_symhdr->ifdMax; | |
2386 | ||
2387 | return true; | |
2388 | } | |
2389 | ||
2390 | /* We simply add in the information from another ECOFF BFD. First | |
2391 | we make sure we have the symbolic information. */ | |
c3fe0c41 | 2392 | if (ecoff_slurp_symbol_table (input_bfd) == false) |
8fa0d3a0 ILT |
2393 | return false; |
2394 | if (bfd_get_symcount (input_bfd) == 0) | |
2395 | return true; | |
2396 | ||
2397 | input_symhdr = &ecoff_data (input_bfd)->symbolic_header; | |
2398 | ||
c3fe0c41 ILT |
2399 | /* Figure out how much information we are going to be putting in. |
2400 | The external symbols are handled separately. */ | |
8fa0d3a0 ILT |
2401 | output_symhdr->ilineMax += input_symhdr->ilineMax; |
2402 | output_symhdr->cbLine += input_symhdr->cbLine; | |
2403 | output_symhdr->idnMax += input_symhdr->idnMax; | |
2404 | output_symhdr->ipdMax += input_symhdr->ipdMax; | |
2405 | output_symhdr->isymMax += input_symhdr->isymMax; | |
2406 | output_symhdr->ioptMax += input_symhdr->ioptMax; | |
2407 | output_symhdr->iauxMax += input_symhdr->iauxMax; | |
2408 | output_symhdr->issMax += input_symhdr->issMax; | |
8fa0d3a0 | 2409 | output_symhdr->ifdMax += input_symhdr->ifdMax; |
8fa0d3a0 ILT |
2410 | |
2411 | /* The RFD's are special, since we create them if needed. */ | |
2412 | if (input_symhdr->crfd > 0) | |
2413 | output_symhdr->crfd += input_symhdr->crfd; | |
2414 | else | |
2415 | output_symhdr->crfd += input_symhdr->ifdMax; | |
2416 | ||
2417 | return true; | |
2418 | } | |
2419 | ||
2420 | /* Handle an arbitrary seclet on the first pass. */ | |
2421 | ||
2422 | static boolean | |
f6409552 ILT |
2423 | ecoff_dump_seclet (abfd, seclet, section, data, relocateable) |
2424 | bfd *abfd; | |
2425 | bfd_seclet_type *seclet; | |
2426 | asection *section; | |
2427 | PTR data; | |
2428 | boolean relocateable; | |
8fa0d3a0 ILT |
2429 | { |
2430 | switch (seclet->type) | |
2431 | { | |
2432 | case bfd_indirect_seclet: | |
2433 | /* The contents of this section come from another one somewhere | |
2434 | else. */ | |
2435 | return ecoff_rel (abfd, seclet, section, data, relocateable); | |
2436 | ||
2437 | case bfd_fill_seclet: | |
c3fe0c41 ILT |
2438 | /* Fill in the section with fill.value. This is used to pad out |
2439 | sections, but we must avoid padding the .bss section. */ | |
2440 | if ((section->flags & SEC_HAS_CONTENTS) == 0) | |
2441 | { | |
2442 | if (seclet->u.fill.value != 0) | |
2443 | abort (); | |
2444 | } | |
2445 | else | |
2446 | { | |
2447 | char *d = (char *) bfd_alloc (abfd, seclet->size); | |
2448 | unsigned int i; | |
2449 | boolean ret; | |
2450 | ||
2451 | for (i = 0; i < seclet->size; i+=2) | |
2452 | d[i] = seclet->u.fill.value >> 8; | |
2453 | for (i = 1; i < seclet->size; i+=2) | |
2454 | d[i] = seclet->u.fill.value; | |
2455 | ret = bfd_set_section_contents (abfd, section, d, seclet->offset, | |
2456 | seclet->size); | |
2457 | bfd_release (abfd, (PTR) d); | |
2458 | return ret; | |
2459 | } | |
2460 | break; | |
8fa0d3a0 ILT |
2461 | |
2462 | default: | |
2463 | abort(); | |
2464 | } | |
2465 | ||
2466 | return true; | |
2467 | } | |
2468 | ||
2469 | /* Add a string to the debugging information we are accumulating for a | |
2470 | file. Return the offset from the fdr string base or from the | |
2471 | external string base. */ | |
2472 | ||
2473 | static long | |
f6409552 ILT |
2474 | ecoff_add_string (output_bfd, fdr, string, external) |
2475 | bfd *output_bfd; | |
2476 | FDR *fdr; | |
2477 | CONST char *string; | |
2478 | boolean external; | |
8fa0d3a0 ILT |
2479 | { |
2480 | HDRR *symhdr; | |
2481 | size_t len; | |
2482 | long ret; | |
2483 | ||
2484 | symhdr = &ecoff_data (output_bfd)->symbolic_header; | |
2485 | len = strlen (string); | |
2486 | if (external) | |
2487 | { | |
2488 | strcpy (ecoff_data (output_bfd)->ssext + symhdr->issExtMax, string); | |
2489 | ret = symhdr->issExtMax; | |
2490 | symhdr->issExtMax += len + 1; | |
2491 | } | |
2492 | else | |
2493 | { | |
2494 | strcpy (ecoff_data (output_bfd)->ss + symhdr->issMax, string); | |
2495 | ret = fdr->cbSs; | |
2496 | symhdr->issMax += len + 1; | |
2497 | fdr->cbSs += len + 1; | |
2498 | } | |
2499 | return ret; | |
2500 | } | |
2501 | ||
2502 | /* Accumulate the debugging information from an input section. */ | |
2503 | ||
2504 | static boolean | |
f6409552 ILT |
2505 | ecoff_get_debug (output_bfd, seclet, section, relocateable) |
2506 | bfd *output_bfd; | |
2507 | bfd_seclet_type *seclet; | |
2508 | asection *section; | |
2509 | boolean relocateable; | |
8fa0d3a0 ILT |
2510 | { |
2511 | bfd *input_bfd; | |
2512 | HDRR *output_symhdr; | |
2513 | HDRR *input_symhdr; | |
2514 | ecoff_data_type *output_ecoff; | |
2515 | ecoff_data_type *input_ecoff; | |
c3fe0c41 ILT |
2516 | unsigned int count; |
2517 | struct sym_ext *sym_out; | |
c3fe0c41 ILT |
2518 | ecoff_symbol_type *esym_ptr; |
2519 | ecoff_symbol_type *esym_end; | |
20f10b59 | 2520 | unsigned long pdr_off; |
8fa0d3a0 ILT |
2521 | FDR *fdr_ptr; |
2522 | FDR *fdr_end; | |
2523 | struct fdr_ext *fdr_out; | |
8fa0d3a0 ILT |
2524 | |
2525 | input_bfd = seclet->u.indirect.section->owner; | |
2526 | ||
2527 | /* Don't get the information more than once. */ | |
2528 | if (input_bfd->output_has_begun) | |
2529 | return true; | |
2530 | input_bfd->output_has_begun = true; | |
2531 | ||
2532 | output_ecoff = ecoff_data (output_bfd); | |
2533 | output_symhdr = &output_ecoff->symbolic_header; | |
2534 | ||
2535 | if (input_bfd->xvec->flavour != bfd_target_ecoff_flavour) | |
2536 | { | |
2537 | FDR fdr; | |
2538 | asymbol **symbols; | |
2539 | asymbol **sym_ptr; | |
2540 | asymbol **sym_end; | |
2541 | ||
2542 | /* This is not an ECOFF BFD. Just gather the symbols. */ | |
2543 | ||
2544 | memset (&fdr, 0, sizeof fdr); | |
2545 | ||
2546 | fdr.adr = bfd_get_section_vma (output_bfd, section) + seclet->offset; | |
2547 | fdr.issBase = output_symhdr->issMax; | |
2548 | fdr.cbSs = 0; | |
2549 | fdr.rss = ecoff_add_string (output_bfd, | |
2550 | &fdr, | |
2551 | bfd_get_filename (input_bfd), | |
2552 | false); | |
2553 | fdr.isymBase = output_symhdr->isymMax; | |
2554 | ||
c3fe0c41 | 2555 | /* Get the local symbols from the input BFD. */ |
8fa0d3a0 ILT |
2556 | symbols = (asymbol **) bfd_alloc (output_bfd, |
2557 | get_symtab_upper_bound (input_bfd)); | |
2558 | if (symbols == (asymbol **) NULL) | |
2559 | { | |
2560 | bfd_error = no_memory; | |
2561 | return false; | |
2562 | } | |
2563 | sym_end = symbols + bfd_canonicalize_symtab (input_bfd, symbols); | |
2564 | ||
c3fe0c41 ILT |
2565 | /* Handle the local symbols. Any external symbols are handled |
2566 | separately. */ | |
8fa0d3a0 ILT |
2567 | fdr.csym = 0; |
2568 | for (sym_ptr = symbols; sym_ptr != sym_end; sym_ptr++) | |
2569 | { | |
2570 | SYMR internal_sym; | |
2571 | ||
2572 | if (((*sym_ptr)->flags & BSF_EXPORT) != 0) | |
2573 | continue; | |
2574 | memset (&internal_sym, 0, sizeof internal_sym); | |
2575 | internal_sym.iss = ecoff_add_string (output_bfd, | |
2576 | &fdr, | |
2577 | (*sym_ptr)->name, | |
2578 | false); | |
5e462ed9 ILT |
2579 | |
2580 | if (bfd_is_com_section ((*sym_ptr)->section) | |
2581 | || (*sym_ptr)->section == &bfd_und_section) | |
2582 | internal_sym.value = (*sym_ptr)->value; | |
2583 | else | |
2584 | internal_sym.value = ((*sym_ptr)->value | |
2585 | + (*sym_ptr)->section->output_offset | |
2586 | + (*sym_ptr)->section->output_section->vma); | |
8fa0d3a0 ILT |
2587 | internal_sym.st = stNil; |
2588 | internal_sym.sc = scUndefined; | |
2589 | internal_sym.index = indexNil; | |
2590 | ecoff_swap_sym_out (output_bfd, &internal_sym, | |
2591 | (output_ecoff->external_sym | |
2592 | + output_symhdr->isymMax)); | |
2593 | ++fdr.csym; | |
2594 | ++output_symhdr->isymMax; | |
2595 | } | |
2596 | ||
8fa0d3a0 ILT |
2597 | bfd_release (output_bfd, (PTR) symbols); |
2598 | ||
c3fe0c41 ILT |
2599 | /* Leave everything else in the FDR zeroed out. This will cause |
2600 | the lang field to be langC. The fBigendian field will | |
2601 | indicate little endian format, but it doesn't matter because | |
2602 | it only applies to aux fields and there are none. */ | |
8fa0d3a0 ILT |
2603 | |
2604 | ecoff_swap_fdr_out (output_bfd, &fdr, | |
2605 | (output_ecoff->external_fdr | |
2606 | + output_symhdr->ifdMax)); | |
2607 | ++output_symhdr->ifdMax; | |
2608 | return true; | |
2609 | } | |
2610 | ||
2611 | /* This is an ECOFF BFD. We want to grab the information from | |
2612 | input_bfd and attach it to output_bfd. */ | |
c3fe0c41 ILT |
2613 | count = bfd_get_symcount (input_bfd); |
2614 | if (count == 0) | |
8fa0d3a0 ILT |
2615 | return true; |
2616 | input_ecoff = ecoff_data (input_bfd); | |
2617 | input_symhdr = &input_ecoff->symbolic_header; | |
2618 | ||
c3fe0c41 ILT |
2619 | /* I think that it is more efficient to simply copy the debugging |
2620 | information from the input BFD to the output BFD. Because ECOFF | |
2621 | uses relative pointers for most of the debugging information, | |
2622 | only a little of it has to be changed at all. */ | |
2623 | ||
2624 | /* Swap in the local symbols, adjust their values, and swap them out | |
2625 | again. The external symbols are handled separately. */ | |
2626 | sym_out = output_ecoff->external_sym + output_symhdr->isymMax; | |
2627 | ||
2628 | esym_ptr = ecoff_data (input_bfd)->canonical_symbols; | |
2629 | esym_end = esym_ptr + count; | |
2630 | for (; esym_ptr < esym_end; esym_ptr++) | |
2631 | { | |
2632 | if (esym_ptr->local) | |
2633 | { | |
2634 | SYMR sym; | |
2635 | ||
2636 | ecoff_swap_sym_in (input_bfd, esym_ptr->native.lnative, &sym); | |
5e462ed9 ILT |
2637 | |
2638 | /* If we're producing an executable, move common symbols | |
2639 | into bss. */ | |
2640 | if (relocateable == false) | |
2641 | { | |
2642 | if (sym.sc == scCommon) | |
2643 | sym.sc = scBss; | |
2644 | else if (sym.sc == scSCommon) | |
2645 | sym.sc = scSBss; | |
2646 | } | |
2647 | ||
382f2a3d | 2648 | if (! bfd_is_com_section (esym_ptr->symbol.section) |
c3fe0c41 ILT |
2649 | && (esym_ptr->symbol.flags & BSF_DEBUGGING) == 0 |
2650 | && esym_ptr->symbol.section != &bfd_und_section) | |
2651 | sym.value = (esym_ptr->symbol.value | |
2652 | + esym_ptr->symbol.section->output_offset | |
2653 | + esym_ptr->symbol.section->output_section->vma); | |
2654 | ecoff_swap_sym_out (output_bfd, &sym, sym_out); | |
2655 | ++sym_out; | |
2656 | } | |
2657 | } | |
2658 | ||
2659 | /* That should have accounted for all the local symbols in | |
2660 | input_bfd. */ | |
2661 | BFD_ASSERT ((sym_out - output_ecoff->external_sym) - output_symhdr->isymMax | |
2662 | == input_symhdr->isymMax); | |
2663 | ||
2664 | /* Copy the information that does not need swapping. */ | |
2665 | memcpy (output_ecoff->line + output_symhdr->cbLine, | |
8fa0d3a0 ILT |
2666 | input_ecoff->line, |
2667 | input_symhdr->cbLine * sizeof (unsigned char)); | |
2668 | memcpy (output_ecoff->external_aux + output_symhdr->iauxMax, | |
2669 | input_ecoff->external_aux, | |
2670 | input_symhdr->iauxMax * sizeof (union aux_ext)); | |
2671 | memcpy (output_ecoff->ss + output_symhdr->issMax, | |
2672 | input_ecoff->ss, | |
2673 | input_symhdr->issMax * sizeof (char)); | |
8fa0d3a0 ILT |
2674 | |
2675 | /* Some of the information may need to be swapped. */ | |
c3fe0c41 ILT |
2676 | if (output_bfd->xvec->header_byteorder_big_p |
2677 | == input_bfd->xvec->header_byteorder_big_p) | |
8fa0d3a0 ILT |
2678 | { |
2679 | /* The two BFD's have the same endianness, so memcpy will | |
2680 | suffice. */ | |
2681 | memcpy (output_ecoff->external_dnr + output_symhdr->idnMax, | |
2682 | input_ecoff->external_dnr, | |
2683 | input_symhdr->idnMax * sizeof (struct dnr_ext)); | |
2684 | memcpy (output_ecoff->external_pdr + output_symhdr->ipdMax, | |
2685 | input_ecoff->external_pdr, | |
2686 | input_symhdr->ipdMax * sizeof (struct pdr_ext)); | |
20f10b59 ILT |
2687 | if (input_symhdr->ipdMax == 0) |
2688 | pdr_off = 0; | |
2689 | else | |
2690 | { | |
2691 | PDR pdr; | |
2692 | ||
2693 | ecoff_swap_pdr_in (input_bfd, input_ecoff->external_pdr, &pdr); | |
2694 | pdr_off = pdr.adr; | |
2695 | } | |
8fa0d3a0 ILT |
2696 | memcpy (output_ecoff->external_opt + output_symhdr->ioptMax, |
2697 | input_ecoff->external_opt, | |
2698 | input_symhdr->ioptMax * sizeof (struct opt_ext)); | |
2699 | } | |
2700 | else | |
2701 | { | |
2702 | struct dnr_ext *dnr_in; | |
2703 | struct dnr_ext *dnr_end; | |
2704 | struct dnr_ext *dnr_out; | |
2705 | struct pdr_ext *pdr_in; | |
2706 | struct pdr_ext *pdr_end; | |
2707 | struct pdr_ext *pdr_out; | |
20f10b59 | 2708 | int first_pdr; |
8fa0d3a0 ILT |
2709 | struct opt_ext *opt_in; |
2710 | struct opt_ext *opt_end; | |
2711 | struct opt_ext *opt_out; | |
2712 | ||
2713 | /* The two BFD's have different endianness, so we must swap | |
2714 | everything in and out. This code would always work, but it | |
c3fe0c41 | 2715 | would be slow in the normal case. */ |
8fa0d3a0 ILT |
2716 | dnr_in = input_ecoff->external_dnr; |
2717 | dnr_end = dnr_in + input_symhdr->idnMax; | |
2718 | dnr_out = output_ecoff->external_dnr + output_symhdr->idnMax; | |
2719 | for (; dnr_in < dnr_end; dnr_in++, dnr_out++) | |
2720 | { | |
2721 | DNR dnr; | |
2722 | ||
2723 | ecoff_swap_dnr_in (input_bfd, dnr_in, &dnr); | |
2724 | ecoff_swap_dnr_out (output_bfd, &dnr, dnr_out); | |
2725 | } | |
2726 | pdr_in = input_ecoff->external_pdr; | |
2727 | pdr_end = pdr_in + input_symhdr->ipdMax; | |
2728 | pdr_out = output_ecoff->external_pdr + output_symhdr->ipdMax; | |
20f10b59 ILT |
2729 | first_pdr = 1; |
2730 | pdr_off = 0; | |
8fa0d3a0 ILT |
2731 | for (; pdr_in < pdr_end; pdr_in++, pdr_out++) |
2732 | { | |
2733 | PDR pdr; | |
2734 | ||
2735 | ecoff_swap_pdr_in (input_bfd, pdr_in, &pdr); | |
2736 | ecoff_swap_pdr_out (output_bfd, &pdr, pdr_out); | |
20f10b59 ILT |
2737 | if (first_pdr) |
2738 | { | |
2739 | pdr_off = pdr.adr; | |
2740 | first_pdr = 0; | |
2741 | } | |
8fa0d3a0 | 2742 | } |
8fa0d3a0 ILT |
2743 | opt_in = input_ecoff->external_opt; |
2744 | opt_end = opt_in + input_symhdr->ioptMax; | |
2745 | opt_out = output_ecoff->external_opt + output_symhdr->ioptMax; | |
2746 | for (; opt_in < opt_end; opt_in++, opt_out++) | |
2747 | { | |
2748 | OPTR opt; | |
2749 | ||
2750 | ecoff_swap_opt_in (input_bfd, opt_in, &opt); | |
2751 | ecoff_swap_opt_out (output_bfd, &opt, opt_out); | |
2752 | } | |
2753 | } | |
2754 | ||
c3fe0c41 ILT |
2755 | /* Set ifdbase so that the external symbols know how to adjust their |
2756 | ifd values. */ | |
2757 | input_ecoff->ifdbase = output_symhdr->ifdMax; | |
2758 | ||
8fa0d3a0 ILT |
2759 | fdr_ptr = input_ecoff->fdr; |
2760 | fdr_end = fdr_ptr + input_symhdr->ifdMax; | |
2761 | fdr_out = output_ecoff->external_fdr + output_symhdr->ifdMax; | |
2762 | for (; fdr_ptr < fdr_end; fdr_ptr++, fdr_out++) | |
2763 | { | |
2764 | FDR fdr; | |
2765 | ||
2766 | fdr = *fdr_ptr; | |
2767 | ||
2768 | /* The memory address for this fdr is the address for the seclet | |
20f10b59 ILT |
2769 | plus the offset to this fdr within input_bfd. For some |
2770 | reason the offset of the first procedure pointer is also | |
2771 | added in. */ | |
8fa0d3a0 ILT |
2772 | fdr.adr = (bfd_get_section_vma (output_bfd, section) |
2773 | + seclet->offset | |
20f10b59 ILT |
2774 | + (fdr_ptr->adr - input_ecoff->fdr->adr) |
2775 | + pdr_off); | |
8fa0d3a0 | 2776 | |
bf4b84bc ILT |
2777 | fdr.issBase += output_symhdr->issMax; |
2778 | fdr.isymBase += output_symhdr->isymMax; | |
2779 | fdr.ilineBase += output_symhdr->ilineMax; | |
2780 | fdr.ioptBase += output_symhdr->ioptMax; | |
2781 | fdr.ipdFirst += output_symhdr->ipdMax; | |
2782 | fdr.iauxBase += output_symhdr->iauxMax; | |
2783 | fdr.rfdBase += output_symhdr->crfd; | |
c3fe0c41 ILT |
2784 | |
2785 | /* If there are no RFD's, we are going to add some. We don't | |
2786 | want to adjust irfd for this, so that all the FDR's can share | |
2787 | the RFD's. */ | |
2788 | if (input_symhdr->crfd == 0) | |
2789 | fdr.crfd = input_symhdr->ifdMax; | |
2790 | ||
2791 | if (fdr.cbLine != 0) | |
bf4b84bc | 2792 | fdr.cbLineOffset += output_symhdr->cbLine; |
8fa0d3a0 ILT |
2793 | |
2794 | ecoff_swap_fdr_out (output_bfd, &fdr, fdr_out); | |
2795 | } | |
2796 | ||
2797 | if (input_symhdr->crfd > 0) | |
2798 | { | |
2799 | struct rfd_ext *rfd_in; | |
2800 | struct rfd_ext *rfd_end; | |
2801 | struct rfd_ext *rfd_out; | |
2802 | ||
2803 | /* Swap and adjust the RFD's. RFD's are only created by the | |
2804 | linker, so this will only be necessary if one of the input | |
2805 | files is the result of a partial link. Presumably all | |
2806 | necessary RFD's are present. */ | |
2807 | rfd_in = input_ecoff->external_rfd; | |
2808 | rfd_end = rfd_in + input_symhdr->crfd; | |
2809 | rfd_out = output_ecoff->external_rfd + output_symhdr->crfd; | |
2810 | for (; rfd_in < rfd_end; rfd_in++, rfd_out++) | |
2811 | { | |
2812 | RFDT rfd; | |
2813 | ||
2814 | ecoff_swap_rfd_in (input_bfd, rfd_in, &rfd); | |
2815 | rfd += output_symhdr->ifdMax; | |
2816 | ecoff_swap_rfd_out (output_bfd, &rfd, rfd_out); | |
2817 | } | |
2818 | output_symhdr->crfd += input_symhdr->crfd; | |
2819 | } | |
2820 | else | |
2821 | { | |
2822 | struct rfd_ext *rfd_out; | |
2823 | struct rfd_ext *rfd_end; | |
2824 | RFDT rfd; | |
2825 | ||
2826 | /* Create RFD's. Some of the debugging information includes | |
2827 | relative file indices. These indices are taken as indices to | |
2828 | the RFD table if there is one, or to the global table if | |
2829 | there is not. If we did not create RFD's, we would have to | |
2830 | parse and adjust all the debugging information which contains | |
2831 | file indices. */ | |
2832 | rfd = output_symhdr->ifdMax; | |
2833 | rfd_out = output_ecoff->external_rfd + output_symhdr->crfd; | |
2834 | rfd_end = rfd_out + input_symhdr->ifdMax; | |
2835 | for (; rfd_out < rfd_end; rfd_out++, rfd++) | |
2836 | ecoff_swap_rfd_out (output_bfd, &rfd, rfd_out); | |
2837 | output_symhdr->crfd += input_symhdr->ifdMax; | |
2838 | } | |
2839 | ||
c3fe0c41 ILT |
2840 | /* Combine the register masks. */ |
2841 | { | |
2842 | int i; | |
8fa0d3a0 | 2843 | |
c3fe0c41 | 2844 | output_ecoff->gprmask |= input_ecoff->gprmask; |
5e462ed9 | 2845 | for (i = 0; i < 4; i++) |
c3fe0c41 ILT |
2846 | output_ecoff->cprmask[i] |= input_ecoff->cprmask[i]; |
2847 | } | |
8fa0d3a0 ILT |
2848 | |
2849 | /* Update the counts. */ | |
2850 | output_symhdr->ilineMax += input_symhdr->ilineMax; | |
2851 | output_symhdr->cbLine += input_symhdr->cbLine; | |
2852 | output_symhdr->idnMax += input_symhdr->idnMax; | |
2853 | output_symhdr->ipdMax += input_symhdr->ipdMax; | |
2854 | output_symhdr->isymMax += input_symhdr->isymMax; | |
2855 | output_symhdr->ioptMax += input_symhdr->ioptMax; | |
2856 | output_symhdr->iauxMax += input_symhdr->iauxMax; | |
2857 | output_symhdr->issMax += input_symhdr->issMax; | |
8fa0d3a0 | 2858 | output_symhdr->ifdMax += input_symhdr->ifdMax; |
8fa0d3a0 | 2859 | |
8fa0d3a0 ILT |
2860 | return true; |
2861 | } | |
2862 | ||
2863 | /* This is the actual link routine. It makes two passes over all the | |
2864 | seclets. */ | |
2865 | ||
2866 | static boolean | |
f6409552 ILT |
2867 | ecoff_bfd_seclet_link (abfd, data, relocateable) |
2868 | bfd *abfd; | |
2869 | PTR data; | |
2870 | boolean relocateable; | |
8fa0d3a0 ILT |
2871 | { |
2872 | HDRR *symhdr; | |
2873 | int ipass; | |
2874 | register asection *o; | |
2875 | register bfd_seclet_type *p; | |
c3fe0c41 | 2876 | asymbol **sym_ptr_ptr; |
8fa0d3a0 ILT |
2877 | bfd_size_type size; |
2878 | char *raw; | |
2879 | ||
2880 | /* We accumulate the debugging information counts in the symbolic | |
2881 | header. */ | |
2882 | symhdr = &ecoff_data (abfd)->symbolic_header; | |
c3fe0c41 ILT |
2883 | symhdr->magic = magicSym; |
2884 | /* FIXME: What should the version stamp be? */ | |
2885 | symhdr->vstamp = 0; | |
8fa0d3a0 ILT |
2886 | symhdr->ilineMax = 0; |
2887 | symhdr->cbLine = 0; | |
2888 | symhdr->idnMax = 0; | |
2889 | symhdr->ipdMax = 0; | |
2890 | symhdr->isymMax = 0; | |
2891 | symhdr->ioptMax = 0; | |
2892 | symhdr->iauxMax = 0; | |
2893 | symhdr->issMax = 0; | |
2894 | symhdr->issExtMax = 0; | |
2895 | symhdr->ifdMax = 0; | |
2896 | symhdr->crfd = 0; | |
2897 | symhdr->iextMax = 0; | |
2898 | ||
c3fe0c41 ILT |
2899 | /* We need to copy over the debugging symbols from each input BFD. |
2900 | When we do this copying, we have to adjust the text address in | |
2901 | the FDR structures, so we have to know the text address used for | |
2902 | the input BFD. Since we only want to copy the symbols once per | |
2903 | input BFD, but we are going to look at each input BFD multiple | |
2904 | times (once for each section it provides), we arrange to always | |
2905 | look at the text section first. That means that when we copy the | |
2906 | debugging information, we always know the text address. So we | |
2907 | actually do each pass in two sub passes; first the text sections, | |
2908 | then the non-text sections. We use the output_has_begun flag to | |
2909 | determine whether we have copied over the debugging information | |
2910 | yet. */ | |
8fa0d3a0 ILT |
2911 | |
2912 | /* Do the first pass: set the output section contents and count the | |
2913 | debugging information. */ | |
2914 | ecoff_clear_output_flags (abfd); | |
2915 | for (ipass = 0; ipass < 2; ipass++) | |
2916 | { | |
2917 | for (o = abfd->sections; o != (asection *) NULL; o = o->next) | |
2918 | { | |
2919 | /* For SEC_CODE sections, (flags & SEC_CODE) == 0 is false, | |
2920 | so they are done on pass 0. For other sections the | |
2921 | expression is true, so they are done on pass 1. */ | |
2922 | if (((o->flags & SEC_CODE) == 0) != ipass) | |
2923 | continue; | |
2924 | ||
2925 | for (p = o->seclets_head; | |
2926 | p != (bfd_seclet_type *) NULL; | |
2927 | p = p->next) | |
2928 | { | |
2929 | if (ecoff_dump_seclet (abfd, p, o, data, relocateable) | |
2930 | == false) | |
2931 | return false; | |
2932 | } | |
2933 | } | |
2934 | } | |
2935 | ||
c3fe0c41 ILT |
2936 | /* We handle the external symbols differently. We use the ones |
2937 | attached to the output_bfd. The linker will have already | |
2938 | determined which symbols are to be attached. Here we just | |
2939 | determine how much space we will need for them. */ | |
2940 | sym_ptr_ptr = bfd_get_outsymbols (abfd); | |
2941 | if (sym_ptr_ptr != NULL) | |
2942 | { | |
2943 | asymbol **sym_end; | |
2944 | ||
2945 | sym_end = sym_ptr_ptr + bfd_get_symcount (abfd); | |
2946 | for (; sym_ptr_ptr < sym_end; sym_ptr_ptr++) | |
2947 | { | |
2948 | if (((*sym_ptr_ptr)->flags & BSF_DEBUGGING) == 0 | |
2949 | && ((*sym_ptr_ptr)->flags & BSF_LOCAL) == 0) | |
2950 | { | |
2951 | ++symhdr->iextMax; | |
2952 | symhdr->issExtMax += strlen ((*sym_ptr_ptr)->name) + 1; | |
2953 | } | |
2954 | } | |
2955 | } | |
2956 | ||
2957 | /* Adjust the counts so that structures are longword aligned. */ | |
2958 | symhdr->cbLine = (symhdr->cbLine + 3) &~ 3; | |
2959 | symhdr->issMax = (symhdr->issMax + 3) &~ 3; | |
2960 | symhdr->issExtMax = (symhdr->issExtMax + 3) &~ 3; | |
2961 | ||
8fa0d3a0 ILT |
2962 | /* Now the counts in symhdr are the correct size for the debugging |
2963 | information. We allocate the right amount of space, and reset | |
2964 | the counts so that the second pass can use them as indices. It | |
2965 | would be possible to output the debugging information directly to | |
2966 | the file in pass 2, rather than to build it in memory and then | |
2967 | write it out. Outputting to the file would require a lot of | |
2968 | seeks and small writes, though, and I think this approach is | |
2969 | faster. */ | |
2970 | size = (symhdr->cbLine * sizeof (unsigned char) | |
2971 | + symhdr->idnMax * sizeof (struct dnr_ext) | |
2972 | + symhdr->ipdMax * sizeof (struct pdr_ext) | |
2973 | + symhdr->isymMax * sizeof (struct sym_ext) | |
2974 | + symhdr->ioptMax * sizeof (struct opt_ext) | |
2975 | + symhdr->iauxMax * sizeof (union aux_ext) | |
2976 | + symhdr->issMax * sizeof (char) | |
2977 | + symhdr->issExtMax * sizeof (char) | |
2978 | + symhdr->ifdMax * sizeof (struct fdr_ext) | |
2979 | + symhdr->crfd * sizeof (struct rfd_ext) | |
2980 | + symhdr->iextMax * sizeof (struct ext_ext)); | |
2981 | raw = (char *) bfd_alloc (abfd, size); | |
2982 | if (raw == (char *) NULL) | |
2983 | { | |
2984 | bfd_error = no_memory; | |
2985 | return false; | |
2986 | } | |
2987 | ecoff_data (abfd)->raw_size = size; | |
2988 | ecoff_data (abfd)->raw_syments = (PTR) raw; | |
2989 | ||
2990 | /* Initialize the raw pointers. */ | |
2991 | #define SET(field, count, type) \ | |
2992 | ecoff_data (abfd)->field = (type *) raw; \ | |
2993 | raw += symhdr->count * sizeof (type) | |
2994 | ||
2995 | SET (line, cbLine, unsigned char); | |
2996 | SET (external_dnr, idnMax, struct dnr_ext); | |
2997 | SET (external_pdr, ipdMax, struct pdr_ext); | |
2998 | SET (external_sym, isymMax, struct sym_ext); | |
2999 | SET (external_opt, ioptMax, struct opt_ext); | |
3000 | SET (external_aux, iauxMax, union aux_ext); | |
3001 | SET (ss, issMax, char); | |
3002 | SET (ssext, issExtMax, char); | |
3003 | SET (external_fdr, ifdMax, struct fdr_ext); | |
3004 | SET (external_rfd, crfd, struct rfd_ext); | |
3005 | SET (external_ext, iextMax, struct ext_ext); | |
3006 | #undef SET | |
3007 | ||
3008 | /* Reset the counts so the second pass can use them to know how far | |
3009 | it has gotten. */ | |
3010 | symhdr->ilineMax = 0; | |
3011 | symhdr->cbLine = 0; | |
3012 | symhdr->idnMax = 0; | |
3013 | symhdr->ipdMax = 0; | |
3014 | symhdr->isymMax = 0; | |
3015 | symhdr->ioptMax = 0; | |
3016 | symhdr->iauxMax = 0; | |
3017 | symhdr->issMax = 0; | |
3018 | symhdr->issExtMax = 0; | |
3019 | symhdr->ifdMax = 0; | |
3020 | symhdr->crfd = 0; | |
3021 | symhdr->iextMax = 0; | |
3022 | ||
3023 | /* Do the second pass: accumulate the debugging information. */ | |
3024 | ecoff_clear_output_flags (abfd); | |
3025 | for (ipass = 0; ipass < 2; ipass++) | |
3026 | { | |
3027 | for (o = abfd->sections; o != (asection *) NULL; o = o->next) | |
3028 | { | |
3029 | if (((o->flags & SEC_CODE) == 0) != ipass) | |
3030 | continue; | |
3031 | for (p = o->seclets_head; | |
3032 | p != (bfd_seclet_type *) NULL; | |
3033 | p = p->next) | |
3034 | { | |
3035 | if (p->type == bfd_indirect_seclet) | |
3036 | { | |
5e462ed9 | 3037 | if (ecoff_get_debug (abfd, p, o, relocateable) == false) |
8fa0d3a0 ILT |
3038 | return false; |
3039 | } | |
3040 | } | |
3041 | } | |
3042 | } | |
3043 | ||
c3fe0c41 ILT |
3044 | /* Put in the external symbols. */ |
3045 | sym_ptr_ptr = bfd_get_outsymbols (abfd); | |
3046 | if (sym_ptr_ptr != NULL) | |
3047 | { | |
3048 | char *ssext; | |
3049 | struct ext_ext *external_ext; | |
3050 | ||
3051 | ssext = ecoff_data (abfd)->ssext; | |
3052 | external_ext = ecoff_data (abfd)->external_ext; | |
3053 | for (; *sym_ptr_ptr != NULL; sym_ptr_ptr++) | |
3054 | { | |
3055 | asymbol *sym_ptr; | |
3056 | EXTR esym; | |
3057 | ||
3058 | sym_ptr = *sym_ptr_ptr; | |
3059 | ||
3060 | if ((sym_ptr->flags & BSF_DEBUGGING) != 0 | |
3061 | || (sym_ptr->flags & BSF_LOCAL) != 0) | |
3062 | continue; | |
3063 | ||
3064 | /* The enative pointer can be NULL for a symbol created by | |
3065 | the linker via ecoff_make_empty_symbol. */ | |
3066 | if (bfd_asymbol_flavour (sym_ptr) != bfd_target_ecoff_flavour | |
3067 | || (((ecoff_symbol_type *) sym_ptr)->native.enative | |
3068 | == (struct ext_ext *) NULL)) | |
3069 | { | |
3070 | esym.jmptbl = 0; | |
3071 | esym.cobol_main = 0; | |
3072 | esym.weakext = 0; | |
3073 | esym.reserved = 0; | |
3074 | esym.ifd = ifdNil; | |
3075 | /* FIXME: we can do better than this for st and sc. */ | |
3076 | esym.asym.st = stGlobal; | |
3077 | esym.asym.sc = scAbs; | |
3078 | esym.asym.reserved = 0; | |
3079 | esym.asym.index = indexNil; | |
3080 | } | |
3081 | else | |
3082 | { | |
3083 | ecoff_symbol_type *ecoff_sym_ptr; | |
3084 | ||
3085 | ecoff_sym_ptr = (ecoff_symbol_type *) sym_ptr; | |
3086 | if (ecoff_sym_ptr->local) | |
3087 | abort (); | |
3088 | ecoff_swap_ext_in (abfd, ecoff_sym_ptr->native.enative, &esym); | |
3089 | ||
5e462ed9 ILT |
3090 | /* If we're producing an executable, move common symbols |
3091 | into bss. */ | |
3092 | if (relocateable == false) | |
3093 | { | |
3094 | if (esym.asym.sc == scCommon) | |
3095 | esym.asym.sc = scBss; | |
3096 | else if (esym.asym.sc == scSCommon) | |
3097 | esym.asym.sc = scSBss; | |
3098 | } | |
3099 | ||
c3fe0c41 ILT |
3100 | /* Adjust the FDR index for the symbol by that used for |
3101 | the input BFD. */ | |
3102 | esym.ifd += ecoff_data (bfd_asymbol_bfd (sym_ptr))->ifdbase; | |
3103 | } | |
3104 | ||
3105 | esym.asym.iss = symhdr->issExtMax; | |
3106 | ||
382f2a3d | 3107 | if (bfd_is_com_section (sym_ptr->section) |
c3fe0c41 ILT |
3108 | || sym_ptr->section == &bfd_und_section) |
3109 | esym.asym.value = sym_ptr->value; | |
3110 | else | |
3111 | esym.asym.value = (sym_ptr->value | |
3112 | + sym_ptr->section->output_offset | |
3113 | + sym_ptr->section->output_section->vma); | |
3114 | ||
3115 | ecoff_swap_ext_out (abfd, &esym, external_ext + symhdr->iextMax); | |
3116 | ||
3117 | ecoff_set_sym_index (sym_ptr, symhdr->iextMax); | |
3118 | ||
3119 | ++symhdr->iextMax; | |
3120 | ||
3121 | strcpy (ssext + symhdr->issExtMax, sym_ptr->name); | |
3122 | symhdr->issExtMax += strlen (sym_ptr->name) + 1; | |
3123 | } | |
3124 | } | |
3125 | ||
3126 | /* Adjust the counts so that structures are longword aligned. */ | |
3127 | symhdr->cbLine = (symhdr->cbLine + 3) &~ 3; | |
3128 | symhdr->issMax = (symhdr->issMax + 3) &~ 3; | |
3129 | symhdr->issExtMax = (symhdr->issExtMax + 3) &~ 3; | |
3130 | ||
8fa0d3a0 ILT |
3131 | return true; |
3132 | } | |
3133 | \f | |
3134 | /* Set the architecture. The only architecture we support here is | |
3135 | mips. We set the architecture anyhow, since many callers ignore | |
3136 | the return value. */ | |
3137 | ||
3138 | static boolean | |
f6409552 ILT |
3139 | ecoff_set_arch_mach (abfd, arch, machine) |
3140 | bfd *abfd; | |
3141 | enum bfd_architecture arch; | |
3142 | unsigned long machine; | |
8fa0d3a0 ILT |
3143 | { |
3144 | bfd_default_set_arch_mach (abfd, arch, machine); | |
3145 | return arch == bfd_arch_mips; | |
3146 | } | |
3147 | ||
5e462ed9 ILT |
3148 | /* Get the size of the section headers. We do not output the .scommon |
3149 | section which we created in ecoff_mkobject. */ | |
3150 | ||
3151 | static int | |
3152 | ecoff_sizeof_headers (abfd, reloc) | |
3153 | bfd *abfd; | |
3154 | boolean reloc; | |
3155 | { | |
3156 | return FILHSZ + AOUTSZ + (abfd->section_count - 1) * SCNHSZ; | |
3157 | } | |
3158 | ||
8fa0d3a0 ILT |
3159 | /* Calculate the file position for each section, and set |
3160 | reloc_filepos. */ | |
3161 | ||
3162 | static void | |
f6409552 ILT |
3163 | ecoff_compute_section_file_positions (abfd) |
3164 | bfd *abfd; | |
8fa0d3a0 ILT |
3165 | { |
3166 | asection *current; | |
8fa0d3a0 ILT |
3167 | file_ptr sofar; |
3168 | file_ptr old_sofar; | |
c3fe0c41 | 3169 | boolean first_data; |
8fa0d3a0 | 3170 | |
8fa0d3a0 | 3171 | if (bfd_get_start_address (abfd)) |
c3fe0c41 | 3172 | abfd->flags |= EXEC_P; |
8fa0d3a0 | 3173 | |
5e462ed9 | 3174 | sofar = ecoff_sizeof_headers (abfd, false); |
8fa0d3a0 | 3175 | |
c3fe0c41 | 3176 | first_data = true; |
8fa0d3a0 ILT |
3177 | for (current = abfd->sections; |
3178 | current != (asection *) NULL; | |
3179 | current = current->next) | |
3180 | { | |
3181 | /* Only deal with sections which have contents */ | |
5e462ed9 ILT |
3182 | if (! (current->flags & SEC_HAS_CONTENTS) |
3183 | || strcmp (current->name, SCOMMON) == 0) | |
8fa0d3a0 ILT |
3184 | continue; |
3185 | ||
c3fe0c41 ILT |
3186 | /* On Ultrix, the data sections in an executable file must be |
3187 | aligned to a page boundary within the file. This does not | |
3188 | affect the section size, though. FIXME: Does this work for | |
3189 | other platforms? */ | |
3190 | if ((abfd->flags & EXEC_P) != 0 | |
3191 | && first_data != false | |
3192 | && (current->flags & SEC_CODE) == 0) | |
3193 | { | |
14e3c2e4 | 3194 | sofar = (sofar + ROUND_SIZE - 1) &~ (ROUND_SIZE - 1); |
c3fe0c41 ILT |
3195 | first_data = false; |
3196 | } | |
3197 | ||
8fa0d3a0 ILT |
3198 | /* Align the sections in the file to the same boundary on |
3199 | which they are aligned in virtual memory. */ | |
3200 | old_sofar = sofar; | |
3201 | sofar = BFD_ALIGN (sofar, 1 << current->alignment_power); | |
8fa0d3a0 ILT |
3202 | |
3203 | current->filepos = sofar; | |
3204 | ||
3205 | sofar += current->_raw_size; | |
3206 | ||
3207 | /* make sure that this section is of the right size too */ | |
3208 | old_sofar = sofar; | |
3209 | sofar = BFD_ALIGN (sofar, 1 << current->alignment_power); | |
3210 | current->_raw_size += sofar - old_sofar; | |
8fa0d3a0 ILT |
3211 | } |
3212 | ||
3213 | ecoff_data (abfd)->reloc_filepos = sofar; | |
3214 | } | |
3215 | ||
3216 | /* Set the contents of a section. */ | |
3217 | ||
3218 | static boolean | |
f6409552 ILT |
3219 | ecoff_set_section_contents (abfd, section, location, offset, count) |
3220 | bfd *abfd; | |
3221 | asection *section; | |
3222 | PTR location; | |
3223 | file_ptr offset; | |
3224 | bfd_size_type count; | |
8fa0d3a0 ILT |
3225 | { |
3226 | if (abfd->output_has_begun == false) | |
3227 | ecoff_compute_section_file_positions (abfd); | |
3228 | ||
3229 | bfd_seek (abfd, (file_ptr) (section->filepos + offset), SEEK_SET); | |
3230 | ||
3231 | if (count != 0) | |
3232 | return (bfd_write (location, 1, count, abfd) == count) ? true : false; | |
3233 | ||
3234 | return true; | |
3235 | } | |
3236 | ||
3237 | /* Write out an ECOFF file. */ | |
3238 | ||
3239 | static boolean | |
f6409552 ILT |
3240 | ecoff_write_object_contents (abfd) |
3241 | bfd *abfd; | |
8fa0d3a0 ILT |
3242 | { |
3243 | asection *current; | |
3244 | unsigned int count; | |
3245 | file_ptr scn_base; | |
3246 | file_ptr reloc_base; | |
3247 | file_ptr sym_base; | |
3248 | unsigned long reloc_size; | |
3249 | unsigned long text_size; | |
3250 | unsigned long text_start; | |
3251 | unsigned long data_size; | |
3252 | unsigned long data_start; | |
3253 | unsigned long bss_size; | |
3254 | struct internal_filehdr internal_f; | |
3255 | struct internal_aouthdr internal_a; | |
c3fe0c41 | 3256 | int i; |
8fa0d3a0 ILT |
3257 | |
3258 | bfd_error = system_call_error; | |
3259 | ||
3260 | if(abfd->output_has_begun == false) | |
3261 | ecoff_compute_section_file_positions(abfd); | |
3262 | ||
3263 | if (abfd->sections != (asection *) NULL) | |
3264 | scn_base = abfd->sections->filepos; | |
3265 | else | |
3266 | scn_base = 0; | |
3267 | reloc_base = ecoff_data (abfd)->reloc_filepos; | |
3268 | ||
3269 | count = 1; | |
3270 | reloc_size = 0; | |
3271 | for (current = abfd->sections; | |
3272 | current != (asection *)NULL; | |
3273 | current = current->next) | |
3274 | { | |
5e462ed9 ILT |
3275 | if (strcmp (current->name, SCOMMON) == 0) |
3276 | continue; | |
8fa0d3a0 ILT |
3277 | current->target_index = count; |
3278 | ++count; | |
3279 | if (current->reloc_count != 0) | |
3280 | { | |
3281 | bfd_size_type relsize; | |
3282 | ||
3283 | current->rel_filepos = reloc_base; | |
3284 | relsize = current->reloc_count * RELSZ; | |
3285 | reloc_size += relsize; | |
3286 | reloc_base += relsize; | |
3287 | } | |
3288 | else | |
3289 | current->rel_filepos = 0; | |
3290 | } | |
3291 | ||
3292 | sym_base = reloc_base + reloc_size; | |
c3fe0c41 ILT |
3293 | |
3294 | /* At least on Ultrix, the symbol table of an executable file must | |
3295 | be aligned to a page boundary. FIXME: Is this true on other | |
3296 | platforms? */ | |
3297 | if ((abfd->flags & EXEC_P) != 0) | |
14e3c2e4 | 3298 | sym_base = (sym_base + ROUND_SIZE - 1) &~ (ROUND_SIZE - 1); |
c3fe0c41 | 3299 | |
8fa0d3a0 ILT |
3300 | ecoff_data (abfd)->sym_filepos = sym_base; |
3301 | ||
5e462ed9 | 3302 | text_size = ecoff_sizeof_headers (abfd, false); |
8fa0d3a0 ILT |
3303 | text_start = 0; |
3304 | data_size = 0; | |
3305 | data_start = 0; | |
3306 | bss_size = 0; | |
3307 | ||
3308 | /* Write section headers to the file. */ | |
3309 | ||
3310 | internal_f.f_nscns = 0; | |
c3fe0c41 | 3311 | if (bfd_seek (abfd, (file_ptr) (FILHSZ + AOUTSZ), SEEK_SET) != 0) |
8fa0d3a0 ILT |
3312 | return false; |
3313 | for (current = abfd->sections; | |
3314 | current != (asection *) NULL; | |
3315 | current = current->next) | |
3316 | { | |
3317 | struct internal_scnhdr section; | |
3318 | bfd_vma vma; | |
3319 | ||
5e462ed9 ILT |
3320 | if (strcmp (current->name, SCOMMON) == 0) |
3321 | { | |
3322 | BFD_ASSERT (bfd_get_section_size_before_reloc (current) == 0 | |
3323 | && current->reloc_count == 0); | |
3324 | continue; | |
3325 | } | |
3326 | ||
8fa0d3a0 ILT |
3327 | ++internal_f.f_nscns; |
3328 | ||
3329 | strncpy (section.s_name, current->name, sizeof section.s_name); | |
3330 | ||
3331 | /* FIXME: is this correct for shared libraries? I think it is | |
3332 | but I have no platform to check. Ian Lance Taylor. */ | |
3333 | vma = bfd_get_section_vma (abfd, current); | |
3334 | if (strcmp (current->name, _LIB) == 0) | |
3335 | section.s_vaddr = 0; | |
3336 | else | |
3337 | section.s_vaddr = vma; | |
3338 | ||
3339 | section.s_paddr = vma; | |
3340 | section.s_size = bfd_get_section_size_before_reloc (current); | |
3341 | ||
3342 | /* If this section has no size or is unloadable then the scnptr | |
3343 | will be 0 too. */ | |
3344 | if (current->_raw_size == 0 | |
3345 | || (current->flags & (SEC_LOAD | SEC_HAS_CONTENTS)) == 0) | |
3346 | section.s_scnptr = 0; | |
3347 | else | |
3348 | section.s_scnptr = current->filepos; | |
3349 | section.s_relptr = current->rel_filepos; | |
3350 | ||
3351 | /* FIXME: the lnnoptr of the .sbss or .sdata section of an | |
3352 | object file produced by the assembler is supposed to point to | |
3353 | information about how much room is required by objects of | |
3354 | various different sizes. I think this only matters if we | |
3355 | want the linker to compute the best size to use, or | |
3356 | something. I don't know what happens if the information is | |
3357 | not present. */ | |
3358 | section.s_lnnoptr = 0; | |
3359 | ||
3360 | section.s_nreloc = current->reloc_count; | |
3361 | section.s_nlnno = 0; | |
f6409552 ILT |
3362 | section.s_flags = ecoff_sec_to_styp_flags (current->name, |
3363 | current->flags); | |
8fa0d3a0 ILT |
3364 | |
3365 | { | |
3366 | SCNHDR buff; | |
3367 | ||
3368 | ecoff_swap_scnhdr_out (abfd, (PTR) §ion, (PTR) &buff); | |
3369 | if (bfd_write ((PTR) &buff, 1, SCNHSZ, abfd) != SCNHSZ) | |
3370 | return false; | |
3371 | } | |
3372 | ||
c3fe0c41 | 3373 | if ((section.s_flags & STYP_TEXT) != 0) |
8fa0d3a0 ILT |
3374 | { |
3375 | text_size += bfd_get_section_size_before_reloc (current); | |
3376 | if (text_start == 0 || text_start > vma) | |
3377 | text_start = vma; | |
3378 | } | |
c3fe0c41 ILT |
3379 | else if ((section.s_flags & STYP_RDATA) != 0 |
3380 | || (section.s_flags & STYP_DATA) != 0 | |
3381 | || (section.s_flags & STYP_LIT8) != 0 | |
3382 | || (section.s_flags & STYP_LIT4) != 0 | |
8fa0d3a0 ILT |
3383 | || (section.s_flags & STYP_SDATA) != 0) |
3384 | { | |
3385 | data_size += bfd_get_section_size_before_reloc (current); | |
3386 | if (data_start == 0 || data_start > vma) | |
3387 | data_start = vma; | |
3388 | } | |
3389 | else if ((section.s_flags & STYP_BSS) != 0 | |
3390 | || (section.s_flags & STYP_SBSS) != 0) | |
3391 | bss_size += bfd_get_section_size_before_reloc (current); | |
3392 | } | |
3393 | ||
3394 | /* Set up the file header. */ | |
3395 | ||
6d18a99d ILT |
3396 | if (abfd->xvec->header_byteorder_big_p != false) |
3397 | internal_f.f_magic = MIPS_MAGIC_BIG; | |
3398 | else | |
3399 | internal_f.f_magic = MIPS_MAGIC_LITTLE; | |
8fa0d3a0 ILT |
3400 | |
3401 | /* | |
3402 | We will NOT put a fucking timestamp in the header here. Every time you | |
3403 | put it back, I will come in and take it out again. I'm sorry. This | |
3404 | field does not belong here. We fill it with a 0 so it compares the | |
3405 | same but is not a reasonable time. -- gnu@cygnus.com | |
3406 | */ | |
3407 | internal_f.f_timdat = 0; | |
3408 | ||
c3fe0c41 ILT |
3409 | if (bfd_get_symcount (abfd) != 0) |
3410 | { | |
3411 | /* The ECOFF f_nsyms field is not actually the number of | |
3412 | symbols, it's the size of symbolic information header. */ | |
3413 | internal_f.f_nsyms = sizeof (struct hdr_ext); | |
3414 | internal_f.f_symptr = sym_base; | |
3415 | } | |
8fa0d3a0 | 3416 | else |
c3fe0c41 ILT |
3417 | { |
3418 | internal_f.f_nsyms = 0; | |
3419 | internal_f.f_symptr = 0; | |
3420 | } | |
8fa0d3a0 | 3421 | |
c3fe0c41 | 3422 | internal_f.f_opthdr = AOUTSZ; |
8fa0d3a0 | 3423 | |
c3fe0c41 | 3424 | internal_f.f_flags = F_LNNO; |
8fa0d3a0 ILT |
3425 | if (reloc_size == 0) |
3426 | internal_f.f_flags |= F_RELFLG; | |
3427 | if (bfd_get_symcount (abfd) == 0) | |
3428 | internal_f.f_flags |= F_LSYMS; | |
3429 | if (abfd->flags & EXEC_P) | |
3430 | internal_f.f_flags |= F_EXEC; | |
3431 | ||
3432 | if (! abfd->xvec->byteorder_big_p) | |
3433 | internal_f.f_flags |= F_AR32WR; | |
3434 | else | |
3435 | internal_f.f_flags |= F_AR32W; | |
3436 | ||
c3fe0c41 ILT |
3437 | /* Set up the ``optional'' header. */ |
3438 | internal_a.magic = ZMAGIC; | |
3439 | ||
f6409552 ILT |
3440 | /* FIXME: This is what Ultrix puts in, and it makes the Ultrix |
3441 | linker happy. But, is it right? */ | |
3442 | internal_a.vstamp = 0x20a; | |
c3fe0c41 ILT |
3443 | |
3444 | /* At least on Ultrix, these have to be rounded to page boundaries. | |
3445 | FIXME: Is this true on other platforms? */ | |
14e3c2e4 JK |
3446 | internal_a.tsize = (text_size + ROUND_SIZE - 1) &~ (ROUND_SIZE - 1); |
3447 | internal_a.text_start = text_start &~ (ROUND_SIZE - 1); | |
3448 | internal_a.dsize = (data_size + ROUND_SIZE - 1) &~ (ROUND_SIZE - 1); | |
3449 | internal_a.data_start = data_start &~ (ROUND_SIZE - 1); | |
c3fe0c41 ILT |
3450 | |
3451 | /* On Ultrix, the initial portions of the .sbss and .bss segments | |
3452 | are at the end of the data section. The bsize field in the | |
3453 | optional header records how many bss bytes are required beyond | |
3454 | those in the data section. The value is not rounded to a page | |
3455 | boundary. */ | |
3456 | if (bss_size < internal_a.dsize - data_size) | |
3457 | bss_size = 0; | |
3458 | else | |
3459 | bss_size -= internal_a.dsize - data_size; | |
3460 | internal_a.bsize = bss_size; | |
3461 | internal_a.bss_start = internal_a.data_start + internal_a.dsize; | |
8fa0d3a0 | 3462 | |
c3fe0c41 | 3463 | internal_a.entry = bfd_get_start_address (abfd); |
8fa0d3a0 | 3464 | |
c3fe0c41 | 3465 | internal_a.gp_value = ecoff_data (abfd)->gp; |
8fa0d3a0 | 3466 | |
c3fe0c41 | 3467 | internal_a.gprmask = ecoff_data (abfd)->gprmask; |
5e462ed9 | 3468 | for (i = 0; i < 4; i++) |
c3fe0c41 | 3469 | internal_a.cprmask[i] = ecoff_data (abfd)->cprmask[i]; |
8fa0d3a0 ILT |
3470 | |
3471 | /* Write out the file header and the optional header. */ | |
3472 | ||
3473 | if (bfd_seek (abfd, (file_ptr) 0, SEEK_SET) != 0) | |
3474 | return false; | |
3475 | ||
3476 | { | |
3477 | FILHDR buff; | |
3478 | ecoff_swap_filehdr_out (abfd, (PTR) &internal_f, (PTR) &buff); | |
3479 | if (bfd_write ((PTR) &buff, 1, FILHSZ, abfd) != FILHSZ) | |
3480 | return false; | |
3481 | } | |
3482 | ||
c3fe0c41 ILT |
3483 | { |
3484 | AOUTHDR buff; | |
3485 | ||
3486 | ecoff_swap_aouthdr_out (abfd, (PTR) &internal_a, (PTR) &buff); | |
3487 | if (bfd_write ((PTR) &buff, 1, AOUTSZ, abfd) != AOUTSZ) | |
3488 | return false; | |
3489 | } | |
3490 | ||
3491 | /* Write out the relocs. */ | |
3492 | for (current = abfd->sections; | |
3493 | current != (asection *) NULL; | |
3494 | current = current->next) | |
8fa0d3a0 | 3495 | { |
c3fe0c41 ILT |
3496 | RELOC *buff; |
3497 | arelent **reloc_ptr_ptr; | |
3498 | arelent **reloc_end; | |
3499 | RELOC *out_ptr; | |
3500 | ||
3501 | if (current->reloc_count == 0) | |
3502 | continue; | |
8fa0d3a0 | 3503 | |
c3fe0c41 ILT |
3504 | buff = (RELOC *) bfd_alloc (abfd, current->reloc_count * RELSZ); |
3505 | if (buff == (RELOC *) NULL) | |
3506 | { | |
3507 | bfd_error = no_memory; | |
3508 | return false; | |
3509 | } | |
3510 | ||
3511 | reloc_ptr_ptr = current->orelocation; | |
3512 | reloc_end = reloc_ptr_ptr + current->reloc_count; | |
3513 | out_ptr = buff; | |
3514 | for (; reloc_ptr_ptr < reloc_end; reloc_ptr_ptr++, out_ptr++) | |
3515 | { | |
3516 | arelent *reloc; | |
3517 | asymbol *sym; | |
3518 | struct internal_reloc in; | |
3519 | ||
3520 | memset (&in, 0, sizeof in); | |
3521 | ||
3522 | reloc = *reloc_ptr_ptr; | |
3523 | sym = *reloc->sym_ptr_ptr; | |
3524 | ||
f68d8549 ILT |
3525 | /* This must be an ECOFF reloc. */ |
3526 | BFD_ASSERT (reloc->howto != (reloc_howto_type *) NULL | |
3527 | && reloc->howto >= ecoff_howto_table | |
3528 | && (reloc->howto | |
3529 | < (ecoff_howto_table + ECOFF_HOWTO_COUNT))); | |
3530 | ||
c3fe0c41 ILT |
3531 | in.r_vaddr = reloc->address + bfd_get_section_vma (abfd, current); |
3532 | in.r_type = reloc->howto->type; | |
f68d8549 ILT |
3533 | |
3534 | /* If this is a REFHI reloc, the next one must be a REFLO | |
3535 | reloc for the same symbol. */ | |
3536 | BFD_ASSERT (in.r_type != ECOFF_R_REFHI | |
3537 | || (reloc_ptr_ptr < reloc_end | |
3538 | && (reloc_ptr_ptr[1]->howto | |
3539 | != (reloc_howto_type *) NULL) | |
3540 | && (reloc_ptr_ptr[1]->howto->type | |
3541 | == ECOFF_R_REFLO) | |
3542 | && (sym == *reloc_ptr_ptr[1]->sym_ptr_ptr))); | |
3543 | ||
c3fe0c41 ILT |
3544 | if ((sym->flags & BSF_SECTION_SYM) == 0) |
3545 | { | |
3546 | in.r_symndx = ecoff_get_sym_index (*reloc->sym_ptr_ptr); | |
3547 | in.r_extern = 1; | |
3548 | } | |
3549 | else | |
3550 | { | |
3551 | CONST char *name; | |
3552 | ||
3553 | name = bfd_get_section_name (abfd, bfd_get_section (sym)); | |
3554 | if (strcmp (name, ".text") == 0) | |
3555 | in.r_symndx = RELOC_SECTION_TEXT; | |
3556 | else if (strcmp (name, ".rdata") == 0) | |
3557 | in.r_symndx = RELOC_SECTION_RDATA; | |
3558 | else if (strcmp (name, ".data") == 0) | |
3559 | in.r_symndx = RELOC_SECTION_DATA; | |
3560 | else if (strcmp (name, ".sdata") == 0) | |
3561 | in.r_symndx = RELOC_SECTION_SDATA; | |
3562 | else if (strcmp (name, ".sbss") == 0) | |
3563 | in.r_symndx = RELOC_SECTION_SBSS; | |
3564 | else if (strcmp (name, ".bss") == 0) | |
3565 | in.r_symndx = RELOC_SECTION_BSS; | |
3566 | else if (strcmp (name, ".init") == 0) | |
3567 | in.r_symndx = RELOC_SECTION_INIT; | |
3568 | else if (strcmp (name, ".lit8") == 0) | |
3569 | in.r_symndx = RELOC_SECTION_LIT8; | |
3570 | else if (strcmp (name, ".lit4") == 0) | |
3571 | in.r_symndx = RELOC_SECTION_LIT4; | |
3572 | else | |
3573 | abort (); | |
3574 | in.r_extern = 0; | |
3575 | } | |
3576 | ||
3577 | ecoff_swap_reloc_out (abfd, (PTR) &in, (PTR) out_ptr); | |
3578 | } | |
3579 | ||
3580 | if (bfd_seek (abfd, current->rel_filepos, SEEK_SET) != 0) | |
8fa0d3a0 | 3581 | return false; |
c3fe0c41 ILT |
3582 | if (bfd_write ((PTR) buff, RELSZ, current->reloc_count, abfd) |
3583 | != RELSZ * current->reloc_count) | |
3584 | return false; | |
3585 | bfd_release (abfd, (PTR) buff); | |
8fa0d3a0 ILT |
3586 | } |
3587 | ||
8fa0d3a0 ILT |
3588 | /* Write out the symbolic debugging information. */ |
3589 | if (bfd_get_symcount (abfd) > 0) | |
3590 | { | |
c3fe0c41 ILT |
3591 | HDRR *symhdr; |
3592 | unsigned long sym_offset; | |
8fa0d3a0 ILT |
3593 | struct hdr_ext buff; |
3594 | ||
c3fe0c41 ILT |
3595 | /* Set up the offsets in the symbolic header. */ |
3596 | symhdr = &ecoff_data (abfd)->symbolic_header; | |
3597 | sym_offset = ecoff_data (abfd)->sym_filepos + sizeof (struct hdr_ext); | |
3598 | ||
3599 | #define SET(offset, size, ptr) \ | |
3600 | if (symhdr->size == 0) \ | |
3601 | symhdr->offset = 0; \ | |
3602 | else \ | |
3603 | symhdr->offset = (((char *) ecoff_data (abfd)->ptr \ | |
3604 | - (char *) ecoff_data (abfd)->raw_syments) \ | |
3605 | + sym_offset); | |
3606 | ||
3607 | SET (cbLineOffset, cbLine, line); | |
3608 | SET (cbDnOffset, idnMax, external_dnr); | |
3609 | SET (cbPdOffset, ipdMax, external_pdr); | |
3610 | SET (cbSymOffset, isymMax, external_sym); | |
3611 | SET (cbOptOffset, ioptMax, external_opt); | |
3612 | SET (cbAuxOffset, iauxMax, external_aux); | |
3613 | SET (cbSsOffset, issMax, ss); | |
3614 | SET (cbSsExtOffset, issExtMax, ssext); | |
3615 | SET (cbFdOffset, ifdMax, external_fdr); | |
3616 | SET (cbRfdOffset, crfd, external_rfd); | |
3617 | SET (cbExtOffset, iextMax, external_ext); | |
3618 | #undef SET | |
3619 | ||
3620 | if (bfd_seek (abfd, (file_ptr) ecoff_data (abfd)->sym_filepos, | |
3621 | SEEK_SET) != 0) | |
3622 | return false; | |
8fa0d3a0 ILT |
3623 | ecoff_swap_hdr_out (abfd, &ecoff_data (abfd)->symbolic_header, &buff); |
3624 | if (bfd_write ((PTR) &buff, 1, sizeof buff, abfd) != sizeof buff) | |
3625 | return false; | |
3626 | if (bfd_write ((PTR) ecoff_data (abfd)->raw_syments, 1, | |
3627 | ecoff_data (abfd)->raw_size, abfd) | |
3628 | != ecoff_data (abfd)->raw_size) | |
3629 | return false; | |
3630 | } | |
3631 | ||
3632 | return true; | |
3633 | } | |
3634 | \f | |
c3fe0c41 ILT |
3635 | /* Archive handling. ECOFF uses what appears to be a unique type of |
3636 | archive header (which I call an armap). The byte ordering of the | |
3637 | armap and the contents are encoded in the name of the armap itself. | |
3638 | At least for now, we only support archives with the same byte | |
3639 | ordering in the armap and the contents. | |
3640 | ||
3641 | The first four bytes in the armap are the number of symbol | |
23ba15b7 | 3642 | definitions. This is always a power of two. |
c3fe0c41 ILT |
3643 | |
3644 | This is followed by the symbol definitions. Each symbol definition | |
3645 | occupies 8 bytes. The first four bytes are the offset from the | |
3646 | start of the armap strings to the null-terminated string naming | |
3647 | this symbol. The second four bytes are the file offset to the | |
3648 | archive member which defines this symbol. If the second four bytes | |
3649 | are 0, then this is not actually a symbol definition, and it should | |
3650 | be ignored. | |
3651 | ||
23ba15b7 ILT |
3652 | The symbols are hashed into the armap with a closed hashing scheme. |
3653 | See the functions below for the details of the algorithm. | |
3654 | ||
3655 | We could use the hash table when looking up symbols in a library. | |
3656 | This would require a new BFD target entry point to replace the | |
3657 | bfd_get_next_mapent function used by the linker. | |
3658 | ||
c3fe0c41 ILT |
3659 | After the symbol definitions comes four bytes holding the size of |
3660 | the string table, followed by the string table itself. */ | |
3661 | ||
3662 | /* The name of an archive headers looks like this: | |
23ba15b7 ILT |
3663 | __________E[BL]E[BL]_ (with a trailing space). |
3664 | The trailing space is changed to an X if the archive is changed to | |
3665 | indicate that the armap is out of date. */ | |
c3fe0c41 ILT |
3666 | |
3667 | #define ARMAP_BIG_ENDIAN 'B' | |
3668 | #define ARMAP_LITTLE_ENDIAN 'L' | |
3669 | #define ARMAP_MARKER 'E' | |
3670 | #define ARMAP_START "__________" | |
3671 | #define ARMAP_HEADER_MARKER_INDEX 10 | |
3672 | #define ARMAP_HEADER_ENDIAN_INDEX 11 | |
3673 | #define ARMAP_OBJECT_MARKER_INDEX 12 | |
3674 | #define ARMAP_OBJECT_ENDIAN_INDEX 13 | |
3675 | #define ARMAP_END_INDEX 14 | |
3676 | #define ARMAP_END "_ " | |
3677 | ||
23ba15b7 ILT |
3678 | /* This is a magic number used in the hashing algorithm. */ |
3679 | #define ARMAP_HASH_MAGIC 0x9dd68ab5 | |
3680 | ||
3681 | /* This returns the hash value to use for a string. It also sets | |
3682 | *REHASH to the rehash adjustment if the first slot is taken. SIZE | |
3683 | is the number of entries in the hash table, and HLOG is the log | |
3684 | base 2 of SIZE. */ | |
3685 | ||
3686 | static unsigned int | |
3687 | ecoff_armap_hash (s, rehash, size, hlog) | |
3688 | CONST char *s; | |
3689 | unsigned int *rehash; | |
3690 | unsigned int size; | |
3691 | unsigned int hlog; | |
3692 | { | |
3693 | unsigned int hash; | |
3694 | ||
3695 | hash = *s++; | |
3696 | while (*s != '\0') | |
3697 | hash = ((hash >> 27) | (hash << 5)) + *s++; | |
3698 | hash *= ARMAP_HASH_MAGIC; | |
3699 | *rehash = (hash & (size - 1)) | 1; | |
3700 | return hash >> (32 - hlog); | |
3701 | } | |
3702 | ||
c3fe0c41 ILT |
3703 | /* Read in the armap. */ |
3704 | ||
3705 | static boolean | |
f6409552 ILT |
3706 | ecoff_slurp_armap (abfd) |
3707 | bfd *abfd; | |
c3fe0c41 ILT |
3708 | { |
3709 | char nextname[17]; | |
3710 | unsigned int i; | |
3711 | struct areltdata *mapdata; | |
3712 | bfd_size_type parsed_size; | |
3713 | char *raw_armap; | |
3714 | struct artdata *ardata; | |
3715 | unsigned int count; | |
3716 | char *raw_ptr; | |
3717 | struct symdef *symdef_ptr; | |
3718 | char *stringbase; | |
3719 | ||
3720 | /* Get the name of the first element. */ | |
3721 | i = bfd_read ((PTR) nextname, 1, 16, abfd); | |
3722 | if (i == 0) | |
3723 | return true; | |
3724 | if (i != 16) | |
3725 | return false; | |
3726 | ||
3727 | bfd_seek (abfd, (file_ptr) -16, SEEK_CUR); | |
3728 | ||
3729 | /* See if the first element is an armap. */ | |
3730 | if (strncmp (nextname, ARMAP_START, sizeof ARMAP_START - 1) != 0 | |
3731 | || nextname[ARMAP_HEADER_MARKER_INDEX] != ARMAP_MARKER | |
3732 | || (nextname[ARMAP_HEADER_ENDIAN_INDEX] != ARMAP_BIG_ENDIAN | |
3733 | && nextname[ARMAP_HEADER_ENDIAN_INDEX] != ARMAP_LITTLE_ENDIAN) | |
3734 | || nextname[ARMAP_OBJECT_MARKER_INDEX] != ARMAP_MARKER | |
3735 | || (nextname[ARMAP_OBJECT_ENDIAN_INDEX] != ARMAP_BIG_ENDIAN | |
3736 | && nextname[ARMAP_OBJECT_ENDIAN_INDEX] != ARMAP_LITTLE_ENDIAN) | |
3737 | || strncmp (nextname + ARMAP_END_INDEX, | |
3738 | ARMAP_END, sizeof ARMAP_END - 1) != 0) | |
3739 | { | |
3740 | bfd_has_map (abfd) = false; | |
3741 | return true; | |
3742 | } | |
3743 | ||
3744 | /* Make sure we have the right byte ordering. */ | |
3745 | if (((nextname[ARMAP_HEADER_ENDIAN_INDEX] == ARMAP_BIG_ENDIAN) | |
3746 | ^ (abfd->xvec->header_byteorder_big_p != false)) | |
6d18a99d | 3747 | || ((nextname[ARMAP_OBJECT_ENDIAN_INDEX] == ARMAP_BIG_ENDIAN) |
c3fe0c41 ILT |
3748 | ^ (abfd->xvec->byteorder_big_p != false))) |
3749 | { | |
3750 | bfd_error = wrong_format; | |
3751 | return false; | |
3752 | } | |
3753 | ||
3754 | /* Read in the armap. */ | |
3755 | ardata = bfd_ardata (abfd); | |
3756 | mapdata = snarf_ar_hdr (abfd); | |
3757 | if (mapdata == (struct areltdata *) NULL) | |
3758 | return false; | |
3759 | parsed_size = mapdata->parsed_size; | |
3760 | bfd_release (abfd, (PTR) mapdata); | |
3761 | ||
3762 | raw_armap = (char *) bfd_alloc (abfd, parsed_size); | |
3763 | if (raw_armap == (char *) NULL) | |
3764 | { | |
3765 | bfd_error = no_memory; | |
3766 | return false; | |
3767 | } | |
3768 | ||
3769 | if (bfd_read ((PTR) raw_armap, 1, parsed_size, abfd) != parsed_size) | |
3770 | { | |
3771 | bfd_error = malformed_archive; | |
3772 | bfd_release (abfd, (PTR) raw_armap); | |
3773 | return false; | |
3774 | } | |
3775 | ||
3776 | count = bfd_h_get_32 (abfd, (PTR) raw_armap); | |
3777 | ||
3778 | ardata->symdef_count = 0; | |
3779 | ardata->cache = (struct ar_cache *) NULL; | |
3780 | ||
3781 | /* Hack: overlay the symdefs on top of the raw archive data. This | |
3782 | is the way do_slurp_bsd_armap works. */ | |
3783 | raw_ptr = raw_armap + LONG_SIZE; | |
3784 | symdef_ptr = (struct symdef *) raw_ptr; | |
3785 | ardata->symdefs = (carsym *) symdef_ptr; | |
3786 | stringbase = raw_ptr + count * (2 * LONG_SIZE) + LONG_SIZE; | |
3787 | ||
23ba15b7 ILT |
3788 | #ifdef CHECK_ARMAP_HASH |
3789 | { | |
3790 | unsigned int hlog; | |
3791 | ||
3792 | /* Double check that I have the hashing algorithm right by making | |
3793 | sure that every symbol can be looked up successfully. */ | |
3794 | hlog = 0; | |
3795 | for (i = 1; i < count; i <<= 1) | |
3796 | hlog++; | |
3797 | BFD_ASSERT (i == count); | |
3798 | ||
3799 | for (i = 0; i < count; i++, raw_ptr += 2 * LONG_SIZE) | |
3800 | { | |
3801 | unsigned int name_offset, file_offset; | |
3802 | unsigned int hash, rehash, srch; | |
3803 | ||
3804 | name_offset = bfd_h_get_32 (abfd, (PTR) raw_ptr); | |
3805 | file_offset = bfd_h_get_32 (abfd, (PTR) (raw_ptr + LONG_SIZE)); | |
3806 | if (file_offset == 0) | |
3807 | continue; | |
3808 | hash = ecoff_armap_hash (stringbase + name_offset, &rehash, count, | |
3809 | hlog); | |
3810 | if (hash == i) | |
3811 | continue; | |
3812 | ||
3813 | /* See if we can rehash to this location. */ | |
3814 | for (srch = (hash + rehash) & (count - 1); | |
3815 | srch != hash && srch != i; | |
3816 | srch = (srch + rehash) & (count - 1)) | |
3817 | BFD_ASSERT (bfd_h_get_32 (abfd, | |
3818 | (PTR) (raw_armap | |
3819 | + LONG_SIZE | |
3820 | + (srch * 2 * LONG_SIZE) | |
3821 | + LONG_SIZE)) | |
3822 | != 0); | |
3823 | BFD_ASSERT (srch == i); | |
3824 | } | |
3825 | } | |
3826 | ||
3827 | raw_ptr = raw_armap + LONG_SIZE; | |
3828 | #endif /* CHECK_ARMAP_HASH */ | |
3829 | ||
c3fe0c41 ILT |
3830 | for (i = 0; i < count; i++, raw_ptr += 2 * LONG_SIZE) |
3831 | { | |
23ba15b7 | 3832 | unsigned int name_offset, file_offset; |
c3fe0c41 ILT |
3833 | |
3834 | name_offset = bfd_h_get_32 (abfd, (PTR) raw_ptr); | |
3835 | file_offset = bfd_h_get_32 (abfd, (PTR) (raw_ptr + LONG_SIZE)); | |
3836 | if (file_offset == 0) | |
3837 | continue; | |
3838 | symdef_ptr->s.name = stringbase + name_offset; | |
3839 | symdef_ptr->file_offset = file_offset; | |
3840 | ++symdef_ptr; | |
3841 | ++ardata->symdef_count; | |
3842 | } | |
3843 | ||
3844 | ardata->first_file_filepos = bfd_tell (abfd); | |
3845 | /* Pad to an even boundary. */ | |
3846 | ardata->first_file_filepos += ardata->first_file_filepos % 2; | |
3847 | ||
3848 | bfd_has_map (abfd) = true; | |
3849 | ||
3850 | return true; | |
3851 | } | |
3852 | ||
3853 | /* Write out an armap. */ | |
3854 | ||
3855 | static boolean | |
f6409552 ILT |
3856 | ecoff_write_armap (abfd, elength, map, orl_count, stridx) |
3857 | bfd *abfd; | |
3858 | unsigned int elength; | |
3859 | struct orl *map; | |
3860 | unsigned int orl_count; | |
3861 | int stridx; | |
c3fe0c41 | 3862 | { |
23ba15b7 | 3863 | unsigned int hashsize, hashlog; |
c3fe0c41 ILT |
3864 | unsigned int symdefsize; |
3865 | int padit; | |
3866 | unsigned int stringsize; | |
3867 | unsigned int mapsize; | |
3868 | file_ptr firstreal; | |
3869 | struct ar_hdr hdr; | |
3870 | struct stat statbuf; | |
3871 | unsigned int i; | |
23ba15b7 ILT |
3872 | bfd_byte temp[LONG_SIZE]; |
3873 | bfd_byte *hashtable; | |
c3fe0c41 ILT |
3874 | bfd *current; |
3875 | bfd *last_elt; | |
3876 | ||
23ba15b7 ILT |
3877 | /* Ultrix appears to use as a hash table size the least power of two |
3878 | greater than twice the number of entries. */ | |
3879 | for (hashlog = 0; (1 << hashlog) <= 2 * orl_count; hashlog++) | |
3880 | ; | |
3881 | hashsize = 1 << hashlog; | |
3882 | ||
3883 | symdefsize = hashsize * 2 * LONG_SIZE; | |
c3fe0c41 ILT |
3884 | padit = stridx % 2; |
3885 | stringsize = stridx + padit; | |
3886 | ||
3887 | /* Include 8 bytes to store symdefsize and stringsize in output. */ | |
23ba15b7 | 3888 | mapsize = LONG_SIZE + symdefsize + stringsize + LONG_SIZE; |
c3fe0c41 ILT |
3889 | |
3890 | firstreal = SARMAG + sizeof (struct ar_hdr) + mapsize + elength; | |
3891 | ||
3892 | memset ((PTR) &hdr, 0, sizeof hdr); | |
3893 | ||
3894 | /* Work out the ECOFF armap name. */ | |
3895 | strcpy (hdr.ar_name, ARMAP_START); | |
3896 | hdr.ar_name[ARMAP_HEADER_MARKER_INDEX] = ARMAP_MARKER; | |
3897 | hdr.ar_name[ARMAP_HEADER_ENDIAN_INDEX] = | |
3898 | (abfd->xvec->header_byteorder_big_p | |
3899 | ? ARMAP_BIG_ENDIAN | |
3900 | : ARMAP_LITTLE_ENDIAN); | |
3901 | hdr.ar_name[ARMAP_OBJECT_MARKER_INDEX] = ARMAP_MARKER; | |
3902 | hdr.ar_name[ARMAP_OBJECT_ENDIAN_INDEX] = | |
3903 | abfd->xvec->byteorder_big_p ? ARMAP_BIG_ENDIAN : ARMAP_LITTLE_ENDIAN; | |
3904 | memcpy (hdr.ar_name + ARMAP_END_INDEX, ARMAP_END, sizeof ARMAP_END - 1); | |
3905 | ||
3906 | /* Write the timestamp of the archive header to be just a little bit | |
3907 | later than the timestamp of the file, otherwise the linker will | |
23ba15b7 ILT |
3908 | complain that the index is out of date. Actually, the Ultrix |
3909 | linker just checks the archive name; the GNU linker may check the | |
3910 | date. */ | |
f6409552 | 3911 | stat (abfd->filename, &statbuf); |
c3fe0c41 ILT |
3912 | sprintf (hdr.ar_date, "%ld", (long) (statbuf.st_mtime + 60)); |
3913 | ||
3914 | /* The DECstation uses zeroes for the uid, gid and mode of the | |
3915 | armap. */ | |
3916 | hdr.ar_uid[0] = '0'; | |
3917 | hdr.ar_gid[0] = '0'; | |
3918 | hdr.ar_mode[0] = '0'; | |
3919 | ||
3920 | sprintf (hdr.ar_size, "%-10d", (int) mapsize); | |
3921 | ||
3922 | hdr.ar_fmag[0] = '`'; | |
3923 | hdr.ar_fmag[1] = '\n'; | |
3924 | ||
3925 | /* Turn all null bytes in the header into spaces. */ | |
3926 | for (i = 0; i < sizeof (struct ar_hdr); i++) | |
3927 | if (((char *)(&hdr))[i] == '\0') | |
3928 | (((char *)(&hdr))[i]) = ' '; | |
3929 | ||
23ba15b7 ILT |
3930 | if (bfd_write ((PTR) &hdr, 1, sizeof (struct ar_hdr), abfd) |
3931 | != sizeof (struct ar_hdr)) | |
3932 | return false; | |
c3fe0c41 | 3933 | |
23ba15b7 ILT |
3934 | bfd_h_put_32 (abfd, hashsize, temp); |
3935 | if (bfd_write (temp, 1, LONG_SIZE, abfd) != LONG_SIZE) | |
3936 | return false; | |
c3fe0c41 | 3937 | |
23ba15b7 ILT |
3938 | hashtable = (bfd_byte *) bfd_zalloc (abfd, symdefsize); |
3939 | ||
c3fe0c41 ILT |
3940 | current = abfd->archive_head; |
3941 | last_elt = current; | |
3942 | for (i = 0; i < orl_count; i++) | |
3943 | { | |
23ba15b7 | 3944 | unsigned int hash, rehash; |
c3fe0c41 ILT |
3945 | |
3946 | /* Advance firstreal to the file position of this archive | |
3947 | element. */ | |
3948 | if (((bfd *) map[i].pos) != last_elt) | |
3949 | { | |
3950 | do | |
3951 | { | |
3952 | firstreal += arelt_size (current) + sizeof (struct ar_hdr); | |
3953 | firstreal += firstreal % 2; | |
3954 | current = current->next; | |
3955 | } | |
3956 | while (current != (bfd *) map[i].pos); | |
3957 | } | |
3958 | ||
3959 | last_elt = current; | |
3960 | ||
23ba15b7 ILT |
3961 | hash = ecoff_armap_hash (*map[i].name, &rehash, hashsize, hashlog); |
3962 | if (bfd_h_get_32 (abfd, (PTR) (hashtable | |
3963 | + (hash * 2 * LONG_SIZE) | |
3964 | + LONG_SIZE)) | |
3965 | != 0) | |
3966 | { | |
3967 | unsigned int srch; | |
3968 | ||
3969 | /* The desired slot is already taken. */ | |
3970 | for (srch = (hash + rehash) & (hashsize - 1); | |
3971 | srch != hash; | |
3972 | srch = (srch + rehash) & (hashsize - 1)) | |
3973 | if (bfd_h_get_32 (abfd, (PTR) (hashtable | |
3974 | + (srch * 2 * LONG_SIZE) | |
3975 | + LONG_SIZE)) | |
3976 | == 0) | |
3977 | break; | |
3978 | ||
3979 | BFD_ASSERT (srch != hash); | |
3980 | ||
3981 | hash = srch; | |
3982 | } | |
3983 | ||
3984 | bfd_h_put_32 (abfd, map[i].namidx, | |
3985 | (PTR) (hashtable + hash * 2 * LONG_SIZE)); | |
3986 | bfd_h_put_32 (abfd, firstreal, | |
3987 | (PTR) (hashtable + hash * 2 * LONG_SIZE + LONG_SIZE)); | |
c3fe0c41 ILT |
3988 | } |
3989 | ||
23ba15b7 ILT |
3990 | if (bfd_write (hashtable, 1, symdefsize, abfd) != symdefsize) |
3991 | return false; | |
3992 | ||
3993 | bfd_release (abfd, hashtable); | |
3994 | ||
c3fe0c41 ILT |
3995 | /* Now write the strings. */ |
3996 | bfd_h_put_32 (abfd, stringsize, temp); | |
23ba15b7 ILT |
3997 | if (bfd_write (temp, 1, LONG_SIZE, abfd) != LONG_SIZE) |
3998 | return false; | |
c3fe0c41 | 3999 | for (i = 0; i < orl_count; i++) |
23ba15b7 ILT |
4000 | { |
4001 | bfd_size_type len; | |
4002 | ||
4003 | len = strlen (*map[i].name) + 1; | |
4004 | if (bfd_write ((PTR) (*map[i].name), 1, len, abfd) != len) | |
4005 | return false; | |
4006 | } | |
c3fe0c41 ILT |
4007 | |
4008 | /* The spec sez this should be a newline. But in order to be | |
4009 | bug-compatible for DECstation ar we use a null. */ | |
4010 | if (padit) | |
23ba15b7 ILT |
4011 | { |
4012 | if (bfd_write ("\0", 1, 1, abfd) != 1) | |
4013 | return false; | |
4014 | } | |
c3fe0c41 ILT |
4015 | |
4016 | return true; | |
4017 | } | |
4018 | ||
4019 | /* We just use the generic extended name support. This is a GNU | |
4020 | extension. */ | |
4021 | #define ecoff_slurp_extended_name_table _bfd_slurp_extended_name_table | |
4022 | ||
4023 | /* See whether this BFD is an archive. If it is, read in the armap | |
4024 | and the extended name table. */ | |
4025 | ||
4026 | static bfd_target * | |
f6409552 ILT |
4027 | ecoff_archive_p (abfd) |
4028 | bfd *abfd; | |
c3fe0c41 ILT |
4029 | { |
4030 | char armag[SARMAG + 1]; | |
4031 | ||
4032 | if (bfd_read ((PTR) armag, 1, SARMAG, abfd) != SARMAG | |
4033 | || strncmp (armag, ARMAG, SARMAG) != 0) | |
4034 | { | |
4035 | bfd_error = wrong_format; | |
4036 | return (bfd_target *) NULL; | |
4037 | } | |
4038 | ||
4039 | /* We are setting bfd_ardata(abfd) here, but since bfd_ardata | |
4040 | involves a cast, we can't do it as the left operand of | |
4041 | assignment. */ | |
4042 | abfd->tdata.aout_ar_data = | |
4043 | (struct artdata *) bfd_zalloc (abfd, sizeof (struct artdata)); | |
4044 | ||
4045 | if (bfd_ardata (abfd) == (struct artdata *) NULL) | |
4046 | { | |
4047 | bfd_error = no_memory; | |
4048 | return (bfd_target *) NULL; | |
4049 | } | |
4050 | ||
4051 | bfd_ardata (abfd)->first_file_filepos = SARMAG; | |
4052 | ||
4053 | if (ecoff_slurp_armap (abfd) == false | |
4054 | || ecoff_slurp_extended_name_table (abfd) == false) | |
4055 | { | |
4056 | bfd_release (abfd, bfd_ardata (abfd)); | |
4057 | abfd->tdata.aout_ar_data = (struct artdata *) NULL; | |
4058 | return (bfd_target *) NULL; | |
4059 | } | |
4060 | ||
4061 | return abfd->xvec; | |
4062 | } | |
4063 | \f | |
f6409552 ILT |
4064 | /* This is the COFF backend structure. The backend_data field of the |
4065 | bfd_target structure is set to this. The section reading code in | |
4066 | coffgen.c uses this structure. */ | |
4067 | ||
515c4292 ILT |
4068 | static CONST bfd_coff_backend_data bfd_ecoff_std_swap_table = { |
4069 | (void (*) PARAMS ((bfd *,PTR,int,int,PTR))) bfd_void, /* aux_in */ | |
4070 | (void (*) PARAMS ((bfd *,PTR,PTR))) bfd_void, /* sym_in */ | |
4071 | (void (*) PARAMS ((bfd *,PTR,PTR))) bfd_void, /* lineno_in */ | |
4072 | (unsigned (*) PARAMS ((bfd *,PTR,int,int,PTR))) bfd_void, /* aux_out */ | |
4073 | (unsigned (*) PARAMS ((bfd *,PTR,PTR))) bfd_void, /* sym_out */ | |
4074 | (unsigned (*) PARAMS ((bfd *,PTR,PTR))) bfd_void, /* lineno_out */ | |
4075 | ecoff_swap_reloc_out, ecoff_swap_filehdr_out, ecoff_swap_aouthdr_out, | |
4076 | ecoff_swap_scnhdr_out, | |
4077 | FILHSZ, AOUTSZ, SCNHSZ, 0, 0, 0, true, | |
4078 | ecoff_swap_filehdr_in, ecoff_swap_aouthdr_in, ecoff_swap_scnhdr_in, | |
4079 | ecoff_bad_format_hook, ecoff_set_arch_mach_hook, ecoff_mkobject_hook, | |
f6409552 | 4080 | ecoff_styp_to_sec_flags, ecoff_make_section_hook, ecoff_set_alignment_hook, |
515c4292 ILT |
4081 | ecoff_slurp_symbol_table |
4082 | }; | |
4083 | ||
515c4292 ILT |
4084 | /* get_lineno could be written for ECOFF, but it would currently only |
4085 | be useful for linking ECOFF and COFF files together, which doesn't | |
4086 | seem too likely. */ | |
8fa0d3a0 ILT |
4087 | #define ecoff_get_lineno \ |
4088 | ((alent *(*) PARAMS ((bfd *, asymbol *))) bfd_nullvoidptr) | |
515c4292 | 4089 | |
f6409552 ILT |
4090 | /* These bfd_target functions are defined in other files. */ |
4091 | ||
515c4292 ILT |
4092 | #define ecoff_core_file_failing_command _bfd_dummy_core_file_failing_command |
4093 | #define ecoff_core_file_failing_signal _bfd_dummy_core_file_failing_signal | |
f6409552 ILT |
4094 | #define ecoff_core_file_matches_executable_p \ |
4095 | _bfd_dummy_core_file_matches_executable_p | |
515c4292 ILT |
4096 | #define ecoff_truncate_arname bfd_dont_truncate_arname |
4097 | #define ecoff_openr_next_archived_file bfd_generic_openr_next_archived_file | |
4098 | #define ecoff_generic_stat_arch_elt bfd_generic_stat_arch_elt | |
4099 | #define ecoff_get_section_contents bfd_generic_get_section_contents | |
8fa0d3a0 | 4100 | #define ecoff_get_reloc_upper_bound coff_get_reloc_upper_bound |
515c4292 | 4101 | #define ecoff_close_and_cleanup bfd_generic_close_and_cleanup |
515c4292 | 4102 | #define ecoff_bfd_debug_info_start bfd_void |
8fa0d3a0 | 4103 | #define ecoff_bfd_debug_info_end bfd_void |
515c4292 | 4104 | #define ecoff_bfd_debug_info_accumulate \ |
8fa0d3a0 | 4105 | ((void (*) PARAMS ((bfd *, struct sec *))) bfd_void) |
f6409552 ILT |
4106 | #define ecoff_bfd_get_relocated_section_contents \ |
4107 | bfd_generic_get_relocated_section_contents | |
515c4292 | 4108 | #define ecoff_bfd_relax_section bfd_generic_relax_section |
f68d8549 ILT |
4109 | #define ecoff_bfd_make_debug_symbol \ |
4110 | ((asymbol *(*) PARAMS ((bfd *, void *, unsigned long))) bfd_nullvoidptr) | |
c9301d7b | 4111 | |
1327fb29 | 4112 | bfd_target ecoff_little_vec = |
294eaca4 SC |
4113 | { |
4114 | "ecoff-littlemips", /* name */ | |
515c4292 | 4115 | bfd_target_ecoff_flavour, |
294eaca4 SC |
4116 | false, /* data byte order is little */ |
4117 | false, /* header byte order is little */ | |
4118 | ||
4119 | (HAS_RELOC | EXEC_P | /* object flags */ | |
4120 | HAS_LINENO | HAS_DEBUG | | |
4121 | HAS_SYMS | HAS_LOCALS | DYNAMIC | WP_TEXT), | |
4122 | ||
4123 | (SEC_HAS_CONTENTS | SEC_ALLOC | SEC_LOAD | SEC_RELOC), /* sect | |
4124 | flags */ | |
4125 | 0, /* leading underscore */ | |
4126 | '/', /* ar_pad_char */ | |
4127 | 15, /* ar_max_namelen */ | |
4128 | 3, /* minimum alignment power */ | |
14e3c2e4 JK |
4129 | _do_getl64, _do_getl_signed_64, _do_putl64, |
4130 | _do_getl32, _do_getl_signed_32, _do_putl32, | |
4131 | _do_getl16, _do_getl_signed_16, _do_putl16, /* data */ | |
4132 | _do_getl64, _do_getl_signed_64, _do_putl64, | |
4133 | _do_getl32, _do_getl_signed_32, _do_putl32, | |
4134 | _do_getl16, _do_getl_signed_16, _do_putl16, /* hdrs */ | |
294eaca4 | 4135 | |
515c4292 | 4136 | {_bfd_dummy_target, coff_object_p, /* bfd_check_format */ |
c3fe0c41 ILT |
4137 | ecoff_archive_p, _bfd_dummy_target}, |
4138 | {bfd_false, ecoff_mkobject, _bfd_generic_mkarchive, /* bfd_set_format */ | |
4139 | bfd_false}, | |
4140 | {bfd_false, ecoff_write_object_contents, /* bfd_write_contents */ | |
4141 | _bfd_write_archive_contents, bfd_false}, | |
515c4292 | 4142 | JUMP_TABLE (ecoff), |
515c4292 ILT |
4143 | (PTR) &bfd_ecoff_std_swap_table |
4144 | }; | |
1327fb29 SC |
4145 | |
4146 | bfd_target ecoff_big_vec = | |
294eaca4 SC |
4147 | { |
4148 | "ecoff-bigmips", /* name */ | |
515c4292 | 4149 | bfd_target_ecoff_flavour, |
294eaca4 SC |
4150 | true, /* data byte order is big */ |
4151 | true, /* header byte order is big */ | |
4152 | ||
4153 | (HAS_RELOC | EXEC_P | /* object flags */ | |
4154 | HAS_LINENO | HAS_DEBUG | | |
4155 | HAS_SYMS | HAS_LOCALS | DYNAMIC | WP_TEXT), | |
4156 | ||
4157 | (SEC_HAS_CONTENTS | SEC_ALLOC | SEC_LOAD | SEC_RELOC), /* sect flags */ | |
4158 | 0, /* leading underscore */ | |
4159 | ' ', /* ar_pad_char */ | |
4160 | 16, /* ar_max_namelen */ | |
4161 | 3, /* minimum alignment power */ | |
14e3c2e4 JK |
4162 | _do_getb64, _do_getb_signed_64, _do_putb64, |
4163 | _do_getb32, _do_getb_signed_32, _do_putb32, | |
4164 | _do_getb16, _do_getb_signed_16, _do_putb16, | |
4165 | _do_getb64, _do_getb_signed_64, _do_putb64, | |
4166 | _do_getb32, _do_getb_signed_32, _do_putb32, | |
4167 | _do_getb16, _do_getb_signed_16, _do_putb16, | |
294eaca4 | 4168 | {_bfd_dummy_target, coff_object_p, /* bfd_check_format */ |
c3fe0c41 ILT |
4169 | ecoff_archive_p, _bfd_dummy_target}, |
4170 | {bfd_false, ecoff_mkobject, _bfd_generic_mkarchive, /* bfd_set_format */ | |
4171 | bfd_false}, | |
515c4292 | 4172 | {bfd_false, ecoff_write_object_contents, /* bfd_write_contents */ |
c3fe0c41 | 4173 | _bfd_write_archive_contents, bfd_false}, |
515c4292 | 4174 | JUMP_TABLE(ecoff), |
515c4292 ILT |
4175 | (PTR) &bfd_ecoff_std_swap_table |
4176 | /* Note that there is another bfd_target just above this one. If | |
4177 | you are adding initializers here, you should be adding them there | |
4178 | as well. */ | |
4179 | }; |