Commit | Line | Data |
---|---|---|
252b5132 RH |
1 | /* vms.c -- BFD back-end for VAX (openVMS/VAX) and |
2 | EVAX (openVMS/Alpha) files. | |
01fff6e2 | 3 | Copyright 1996, 97, 98, 99, 2000 Free Software Foundation, Inc. |
252b5132 RH |
4 | |
5 | Written by Klaus K"ampf (kkaempf@rmi.de) | |
6 | ||
7 | This program is free software; you can redistribute it and/or modify | |
8 | it under the terms of the GNU General Public License as published by | |
9 | the Free Software Foundation; either version 2 of the License, or | |
10 | (at your option) any later version. | |
11 | ||
12 | This program is distributed in the hope that it will be useful, | |
13 | but WITHOUT ANY WARRANTY; without even the implied warranty of | |
14 | MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the | |
15 | GNU General Public License for more details. | |
16 | ||
17 | You should have received a copy of the GNU General Public License | |
18 | along with this program; if not, write to the Free Software | |
19 | Foundation, Inc., 59 Temple Place - Suite 330, Boston, MA 02111-1307, USA. */ | |
20 | ||
21 | #include "bfd.h" | |
22 | #include "sysdep.h" | |
23 | #include "bfdlink.h" | |
24 | #include "libbfd.h" | |
25 | ||
26 | #include "vms.h" | |
27 | ||
28 | static boolean vms_initialize PARAMS ((bfd *)); | |
5f771d47 | 29 | static unsigned int priv_section_count; |
252b5132 RH |
30 | static boolean fill_section_ptr PARAMS ((struct bfd_hash_entry *, PTR)); |
31 | static boolean vms_fixup_sections PARAMS ((bfd *)); | |
32 | static boolean copy_symbols PARAMS ((struct bfd_hash_entry *, PTR)); | |
33 | static bfd_reloc_status_type reloc_nil | |
34 | PARAMS ((bfd *, arelent *, asymbol *, PTR, asection *, bfd *, char **)); | |
35 | static const struct bfd_target *vms_object_p PARAMS ((bfd *abfd)); | |
36 | static const struct bfd_target *vms_archive_p PARAMS ((bfd *abfd)); | |
37 | static boolean vms_mkobject PARAMS ((bfd *abfd)); | |
38 | static boolean vms_write_object_contents PARAMS ((bfd *abfd)); | |
39 | static boolean vms_close_and_cleanup PARAMS ((bfd *abfd)); | |
40 | static boolean vms_bfd_free_cached_info PARAMS ((bfd *abfd)); | |
41 | static boolean vms_new_section_hook PARAMS ((bfd *abfd, asection *section)); | |
42 | static boolean vms_get_section_contents | |
43 | PARAMS ((bfd *abfd, asection *section, PTR x1, file_ptr x2, | |
44 | bfd_size_type x3)); | |
45 | static boolean vms_get_section_contents_in_window | |
46 | PARAMS ((bfd *abfd, asection *section, bfd_window *w, file_ptr offset, | |
47 | bfd_size_type count)); | |
48 | static boolean vms_bfd_copy_private_bfd_data PARAMS ((bfd *src, bfd *dest)); | |
49 | static boolean vms_bfd_copy_private_section_data | |
50 | PARAMS ((bfd *srcbfd, asection *srcsec, bfd *dstbfd, asection *dstsec)); | |
51 | static boolean vms_bfd_copy_private_symbol_data | |
52 | PARAMS ((bfd *ibfd, asymbol *isym, bfd *obfd, asymbol *osym)); | |
53 | static boolean vms_bfd_print_private_bfd_data | |
54 | PARAMS ((bfd *abfd, void *file)); | |
55 | static char *vms_core_file_failing_command PARAMS ((bfd *abfd)); | |
56 | static int vms_core_file_failing_signal PARAMS ((bfd *abfd)); | |
57 | static boolean vms_core_file_matches_executable_p | |
58 | PARAMS ((bfd *abfd, bfd *bbfd)); | |
59 | static boolean vms_slurp_armap PARAMS ((bfd *abfd)); | |
60 | static boolean vms_slurp_extended_name_table PARAMS ((bfd *abfd)); | |
61 | static boolean vms_construct_extended_name_table | |
62 | PARAMS ((bfd *abfd, char **tabloc, bfd_size_type *tablen, | |
63 | const char **name)); | |
64 | static void vms_truncate_arname | |
65 | PARAMS ((bfd *abfd, CONST char *pathname, char *arhdr)); | |
66 | static boolean vms_write_armap | |
67 | PARAMS ((bfd *arch, unsigned int elength, struct orl *map, | |
68 | unsigned int orl_count, int stridx)); | |
69 | static PTR vms_read_ar_hdr PARAMS ((bfd *abfd)); | |
70 | static bfd *vms_get_elt_at_index PARAMS ((bfd *abfd, symindex index)); | |
71 | static bfd *vms_openr_next_archived_file PARAMS ((bfd *arch, bfd *prev)); | |
72 | static boolean vms_update_armap_timestamp PARAMS ((bfd *abfd)); | |
73 | static int vms_generic_stat_arch_elt PARAMS ((bfd *abfd, struct stat *stat)); | |
74 | static long vms_get_symtab_upper_bound PARAMS ((bfd *abfd)); | |
75 | static long vms_get_symtab PARAMS ((bfd *abfd, asymbol **symbols)); | |
76 | static void vms_print_symbol | |
77 | PARAMS ((bfd *abfd, PTR file, asymbol *symbol, bfd_print_symbol_type how)); | |
78 | static void vms_get_symbol_info | |
79 | PARAMS ((bfd *abfd, asymbol *symbol, symbol_info *ret)); | |
80 | static boolean vms_bfd_is_local_label_name PARAMS ((bfd *abfd, const char *)); | |
81 | static alent *vms_get_lineno PARAMS ((bfd *abfd, asymbol *symbol)); | |
82 | static boolean vms_find_nearest_line | |
83 | PARAMS ((bfd *abfd, asection *section, asymbol **symbols, bfd_vma offset, | |
84 | const char **file, const char **func, unsigned int *line)); | |
85 | static asymbol *vms_bfd_make_debug_symbol | |
86 | PARAMS ((bfd *abfd, void *ptr, unsigned long size)); | |
87 | static long vms_read_minisymbols | |
88 | PARAMS ((bfd *abfd, boolean dynamic, PTR *minisymsp, unsigned int *sizep)); | |
89 | static asymbol *vms_minisymbol_to_symbol | |
90 | PARAMS ((bfd *abfd, boolean dynamic, const PTR minisym, asymbol *sym)); | |
91 | static long vms_get_reloc_upper_bound PARAMS ((bfd *abfd, asection *sect)); | |
92 | static long vms_canonicalize_reloc | |
93 | PARAMS ((bfd *abfd, asection *srcsec, arelent **location, | |
94 | asymbol **symbols)); | |
95 | static const struct reloc_howto_struct *vms_bfd_reloc_type_lookup | |
96 | PARAMS ((bfd *abfd, bfd_reloc_code_real_type code)); | |
97 | static boolean vms_set_arch_mach | |
98 | PARAMS ((bfd *abfd, enum bfd_architecture arch, unsigned long mach)); | |
99 | static boolean vms_set_section_contents | |
100 | PARAMS ((bfd *abfd, asection *section, PTR location, file_ptr offset, | |
101 | bfd_size_type count)); | |
102 | static int vms_sizeof_headers PARAMS ((bfd *abfd, boolean reloc)); | |
103 | static bfd_byte *vms_bfd_get_relocated_section_contents | |
104 | PARAMS ((bfd *abfd, struct bfd_link_info *link_info, | |
105 | struct bfd_link_order *link_order, bfd_byte *data, | |
106 | boolean relocateable, asymbol **symbols)); | |
107 | static boolean vms_bfd_relax_section | |
108 | PARAMS ((bfd *abfd, asection *section, struct bfd_link_info *link_info, | |
109 | boolean *again)); | |
110 | static boolean vms_bfd_gc_sections | |
111 | PARAMS ((bfd *abfd, struct bfd_link_info *link_info)); | |
112 | static struct bfd_link_hash_table *vms_bfd_link_hash_table_create | |
113 | PARAMS ((bfd *abfd)); | |
114 | static boolean vms_bfd_link_add_symbols | |
115 | PARAMS ((bfd *abfd, struct bfd_link_info *link_info)); | |
116 | static boolean vms_bfd_final_link | |
117 | PARAMS ((bfd *abfd, struct bfd_link_info *link_info)); | |
118 | static boolean vms_bfd_link_split_section | |
119 | PARAMS ((bfd *abfd, asection *section)); | |
120 | static long vms_get_dynamic_symtab_upper_bound PARAMS ((bfd *abfd)); | |
121 | static long vms_canonicalize_dynamic_symtab | |
122 | PARAMS ((bfd *abfd, asymbol **symbols)); | |
123 | static long vms_get_dynamic_reloc_upper_bound PARAMS ((bfd *abfd)); | |
124 | static long vms_canonicalize_dynamic_reloc | |
125 | PARAMS ((bfd *abfd, arelent **arel, asymbol **symbols)); | |
126 | static boolean vms_bfd_merge_private_bfd_data PARAMS ((bfd *ibfd, bfd *obfd)); | |
127 | static boolean vms_bfd_set_private_flags PARAMS ((bfd *abfd, flagword flags)); | |
128 | ||
129 | #define vms_make_empty_symbol _bfd_vms_make_empty_symbol | |
130 | \f | |
131 | /*===========================================================================*/ | |
132 | ||
133 | const bfd_target vms_alpha_vec = | |
134 | { | |
252b5132 RH |
135 | "vms-alpha", /* name */ |
136 | bfd_target_evax_flavour, | |
c3c89269 NC |
137 | BFD_ENDIAN_LITTLE, /* data byte order is little */ |
138 | BFD_ENDIAN_LITTLE, /* header byte order is little */ | |
252b5132 RH |
139 | |
140 | (HAS_RELOC | HAS_SYMS | |
141 | | WP_TEXT | D_PAGED), /* object flags */ | |
142 | (SEC_ALLOC | SEC_LOAD | SEC_RELOC | |
143 | | SEC_READONLY | SEC_CODE | SEC_DATA | |
144 | | SEC_HAS_CONTENTS | SEC_IN_MEMORY), /* sect flags */ | |
145 | 0, /* symbol_leading_char */ | |
146 | ' ', /* ar_pad_char */ | |
147 | 15, /* ar_max_namelen */ | |
148 | bfd_getl64, bfd_getl_signed_64, bfd_putl64, | |
149 | bfd_getl32, bfd_getl_signed_32, bfd_putl32, | |
150 | bfd_getl16, bfd_getl_signed_16, bfd_putl16, | |
151 | bfd_getl64, bfd_getl_signed_64, bfd_putl64, | |
152 | bfd_getl32, bfd_getl_signed_32, bfd_putl32, | |
153 | bfd_getl16, bfd_getl_signed_16, bfd_putl16, | |
154 | ||
155 | {_bfd_dummy_target, vms_object_p, /* bfd_check_format */ | |
156 | vms_archive_p, _bfd_dummy_target}, | |
157 | {bfd_false, vms_mkobject, /* bfd_set_format */ | |
158 | _bfd_generic_mkarchive, bfd_false}, | |
159 | {bfd_false, vms_write_object_contents, /* bfd_write_contents */ | |
160 | _bfd_write_archive_contents, bfd_false}, | |
161 | ||
162 | BFD_JUMP_TABLE_GENERIC (vms), | |
163 | BFD_JUMP_TABLE_COPY (vms), | |
164 | BFD_JUMP_TABLE_CORE (vms), | |
165 | BFD_JUMP_TABLE_ARCHIVE (vms), | |
166 | BFD_JUMP_TABLE_SYMBOLS (vms), | |
167 | BFD_JUMP_TABLE_RELOCS (vms), | |
168 | BFD_JUMP_TABLE_WRITE (vms), | |
169 | BFD_JUMP_TABLE_LINK (vms), | |
170 | BFD_JUMP_TABLE_DYNAMIC (vms), | |
171 | ||
c3c89269 | 172 | NULL, |
55f2d5ed | 173 | |
252b5132 RH |
174 | (PTR) 0 |
175 | }; | |
176 | ||
177 | const bfd_target vms_vax_vec = | |
178 | { | |
252b5132 RH |
179 | "vms-vax", /* name */ |
180 | bfd_target_ovax_flavour, | |
c3c89269 NC |
181 | BFD_ENDIAN_LITTLE, /* data byte order is little */ |
182 | BFD_ENDIAN_LITTLE, /* header byte order is little */ | |
252b5132 RH |
183 | |
184 | (HAS_RELOC | HAS_SYMS /* object flags */ | |
185 | | WP_TEXT | D_PAGED | |
186 | | HAS_LINENO | HAS_DEBUG | HAS_LOCALS), | |
187 | ||
188 | (SEC_ALLOC | SEC_LOAD | SEC_RELOC | |
189 | | SEC_READONLY | SEC_CODE | SEC_DATA | |
190 | | SEC_HAS_CONTENTS | SEC_IN_MEMORY), /* sect flags */ | |
191 | 0, /* symbol_leading_char */ | |
192 | ' ', /* ar_pad_char */ | |
193 | 15, /* ar_max_namelen */ | |
194 | bfd_getl64, bfd_getl_signed_64, bfd_putl64, | |
195 | bfd_getl32, bfd_getl_signed_32, bfd_putl32, | |
196 | bfd_getl16, bfd_getl_signed_16, bfd_putl16, /* data */ | |
197 | bfd_getl64, bfd_getl_signed_64, bfd_putl64, | |
198 | bfd_getl32, bfd_getl_signed_32, bfd_putl32, | |
199 | bfd_getl16, bfd_getl_signed_16, bfd_putl16, /* hdrs */ | |
200 | ||
201 | {_bfd_dummy_target, vms_object_p, /* bfd_check_format */ | |
202 | vms_archive_p, _bfd_dummy_target}, | |
203 | {bfd_false, vms_mkobject, /* bfd_set_format */ | |
204 | _bfd_generic_mkarchive, bfd_false}, | |
205 | {bfd_false, vms_write_object_contents, /* bfd_write_contents */ | |
206 | _bfd_write_archive_contents, bfd_false}, | |
207 | ||
208 | BFD_JUMP_TABLE_GENERIC (vms), | |
209 | BFD_JUMP_TABLE_COPY (vms), | |
210 | BFD_JUMP_TABLE_CORE (vms), | |
211 | BFD_JUMP_TABLE_ARCHIVE (vms), | |
212 | BFD_JUMP_TABLE_SYMBOLS (vms), | |
213 | BFD_JUMP_TABLE_RELOCS (vms), | |
214 | BFD_JUMP_TABLE_WRITE (vms), | |
215 | BFD_JUMP_TABLE_LINK (vms), | |
216 | BFD_JUMP_TABLE_DYNAMIC (vms), | |
217 | ||
c3c89269 | 218 | NULL, |
55f2d5ed | 219 | |
252b5132 RH |
220 | (PTR) 0 |
221 | }; | |
222 | \f | |
223 | /*===========================================================================*/ | |
224 | ||
225 | /* Initialize private data */ | |
226 | ||
227 | static boolean | |
228 | vms_initialize (abfd) | |
229 | bfd *abfd; | |
230 | { | |
231 | int i; | |
232 | ||
233 | if (abfd->tdata.any != 0) | |
234 | return true; | |
235 | ||
236 | bfd_set_start_address (abfd, (bfd_vma)-1); | |
237 | ||
238 | abfd->tdata.any = ((struct vms_private_data_struct*) | |
239 | bfd_malloc (sizeof (struct vms_private_data_struct))); | |
240 | if (abfd->tdata.any == 0) | |
241 | return false; | |
242 | ||
243 | #ifdef __ALPHA | |
244 | PRIV(is_vax) = 0; | |
245 | #else | |
246 | PRIV(is_vax) = 1; | |
247 | #endif | |
248 | PRIV(vms_buf) = 0; | |
249 | PRIV(buf_size) = 0; | |
250 | PRIV(rec_length) = 0; | |
251 | PRIV(file_format) = FF_UNKNOWN; | |
252 | PRIV(fixup_done) = false; | |
253 | PRIV(sections) = NULL; | |
254 | ||
255 | PRIV(stack) = ((struct stack_struct *) | |
256 | bfd_malloc (sizeof (struct stack_struct) * STACKSIZE)); | |
257 | if (PRIV(stack) == 0) | |
258 | { | |
259 | vms_init_no_mem1: | |
260 | free (abfd->tdata.any); | |
261 | abfd->tdata.any = 0; | |
262 | return false; | |
263 | } | |
264 | PRIV(stackptr) = 0; | |
265 | ||
266 | PRIV(vms_symbol_table) = ((struct bfd_hash_table *) | |
267 | bfd_malloc (sizeof (struct bfd_hash_table))); | |
268 | if (PRIV(vms_symbol_table) == 0) | |
269 | { | |
270 | vms_init_no_mem2: | |
271 | free (PRIV(stack)); | |
272 | PRIV(stack) = 0; | |
273 | goto vms_init_no_mem1; | |
274 | } | |
275 | ||
276 | if (!bfd_hash_table_init (PRIV(vms_symbol_table), _bfd_vms_hash_newfunc)) | |
277 | return false; | |
278 | ||
279 | PRIV(location_stack) = ((struct location_struct *) | |
280 | bfd_malloc (sizeof (struct location_struct) | |
281 | * LOCATION_SAVE_SIZE)); | |
282 | if (PRIV(location_stack) == 0) | |
283 | { | |
284 | vms_init_no_mem3: | |
285 | free (PRIV(vms_symbol_table)); | |
286 | PRIV(vms_symbol_table) = 0; | |
287 | goto vms_init_no_mem2; | |
288 | } | |
289 | ||
290 | for (i = 0; i < VMS_SECTION_COUNT; i++) | |
291 | PRIV(vms_section_table)[i] = NULL; | |
292 | ||
293 | PRIV(output_buf) = (unsigned char *) malloc (MAX_OUTREC_SIZE); | |
294 | if (PRIV(output_buf) == 0) | |
295 | { | |
296 | free (PRIV(location_stack)); | |
297 | PRIV(location_stack) = 0; | |
298 | goto vms_init_no_mem3; | |
299 | } | |
300 | PRIV(push_level) = 0; | |
301 | PRIV(pushed_size) = 0; | |
302 | PRIV(length_pos) = 2; | |
303 | PRIV(output_size) = 0; | |
304 | PRIV(output_alignment) = 1; | |
305 | ||
306 | return true; | |
307 | } | |
308 | ||
252b5132 RH |
309 | /* Fill symbol->section with section ptr |
310 | symbol->section is filled with the section index for defined symbols | |
311 | during reading the GSD/EGSD section. But we need the pointer to the | |
312 | bfd section later. | |
313 | ||
314 | It has the correct value for referenced (undefined section) symbols | |
315 | ||
316 | called from bfd_hash_traverse in vms_fixup_sections */ | |
317 | ||
318 | static boolean | |
319 | fill_section_ptr (entry, sections) | |
320 | struct bfd_hash_entry *entry; | |
321 | PTR sections; | |
322 | { | |
323 | asection *sec; | |
324 | asymbol *sym; | |
325 | ||
326 | sym = ((vms_symbol_entry *)entry)->symbol; | |
327 | sec = sym->section; | |
328 | ||
329 | #if VMS_DEBUG | |
330 | vms_debug (6, "fill_section_ptr: sym %p, sec %p\n", sym, sec); | |
331 | #endif | |
332 | ||
333 | /* fill forward references (these contain section number, not section ptr). */ | |
334 | ||
5f771d47 | 335 | if ((unsigned int) sec < priv_section_count) |
252b5132 RH |
336 | { |
337 | sec = ((vms_symbol_entry *)entry)->symbol->section = | |
338 | ((asection **)sections)[(int)sec]; | |
339 | } | |
340 | ||
341 | if (strcmp (sym->name, sec->name) == 0) | |
342 | sym->flags |= BSF_SECTION_SYM; | |
343 | ||
344 | return true; | |
345 | } | |
346 | ||
252b5132 RH |
347 | /* Fixup sections |
348 | set up all pointers and arrays, counters and sizes are fixed now | |
349 | ||
350 | we build a private sections vector for easy access since sections | |
351 | are always referenced by an index number. | |
352 | ||
353 | alloc PRIV(sections) according to abfd->section_count | |
354 | copy abfd->sections to PRIV(sections) */ | |
355 | ||
356 | static boolean | |
357 | vms_fixup_sections (abfd) | |
358 | bfd *abfd; | |
359 | { | |
252b5132 RH |
360 | if (PRIV(fixup_done)) |
361 | return true; | |
362 | ||
363 | /* | |
364 | * traverse symbol table and fill in all section pointers | |
365 | */ | |
366 | ||
367 | /* can't provide section count as argument to fill_section_ptr(). */ | |
368 | priv_section_count = PRIV(section_count); | |
369 | bfd_hash_traverse (PRIV(vms_symbol_table), fill_section_ptr, | |
55f2d5ed | 370 | (PTR) (PRIV(sections))); |
252b5132 RH |
371 | |
372 | PRIV(fixup_done) = true; | |
373 | ||
374 | return true; | |
375 | } | |
376 | ||
377 | /*===========================================================================*/ | |
378 | ||
379 | /* Check the format for a file being read. | |
380 | Return a (bfd_target *) if it's an object file or zero if not. */ | |
381 | ||
382 | static const struct bfd_target * | |
383 | vms_object_p (abfd) | |
384 | bfd *abfd; | |
385 | { | |
386 | int err = 0; | |
387 | int prev_type; | |
388 | const struct bfd_target *target_vector = 0; | |
389 | const bfd_arch_info_type *arch = 0; | |
390 | ||
391 | #if VMS_DEBUG | |
392 | vms_debug (1, "vms_object_p(%p)\n", abfd); | |
393 | #endif | |
394 | ||
395 | if (!vms_initialize (abfd)) | |
396 | { | |
397 | fprintf (stderr, "vms_initialize () failed !!\n"); | |
398 | return 0; | |
399 | } | |
400 | ||
401 | if (bfd_seek (abfd, 0L, SEEK_SET)) | |
402 | { | |
403 | bfd_set_error (bfd_error_file_truncated); | |
404 | return 0; | |
405 | } | |
406 | ||
407 | prev_type = -1; | |
408 | ||
409 | do | |
410 | { | |
411 | #if VMS_DEBUG | |
412 | vms_debug (7, "reading at %08lx\n", bfd_tell(abfd)); | |
413 | #endif | |
414 | if (_bfd_vms_next_record (abfd) < 0) | |
415 | { | |
416 | #if VMS_DEBUG | |
55f2d5ed | 417 | vms_debug (2, "next_record failed\n"); |
252b5132 RH |
418 | #endif |
419 | bfd_set_error (bfd_error_wrong_format); | |
420 | return 0; | |
421 | } | |
422 | ||
423 | if ((prev_type == EOBJ_S_C_EGSD) | |
424 | && (PRIV(rec_type) != EOBJ_S_C_EGSD)) | |
425 | { | |
426 | if (vms_fixup_sections (abfd) == false) | |
427 | { | |
428 | #if VMS_DEBUG | |
429 | vms_debug (2, "vms_fixup_sections failed\n"); | |
430 | #endif | |
431 | bfd_set_error (bfd_error_wrong_format); | |
432 | return 0; | |
433 | } | |
434 | } | |
435 | ||
436 | prev_type = PRIV(rec_type); | |
437 | ||
438 | if (target_vector == 0) | |
439 | { | |
440 | if (prev_type <= OBJ_S_C_MAXRECTYP) | |
441 | target_vector = &vms_vax_vec; | |
442 | else | |
443 | target_vector = &vms_alpha_vec; | |
444 | } | |
445 | ||
446 | switch (prev_type) | |
447 | { | |
448 | case OBJ_S_C_HDR: | |
449 | case EOBJ_S_C_EMH: | |
450 | err = _bfd_vms_slurp_hdr (abfd, prev_type); | |
451 | break; | |
452 | case OBJ_S_C_EOM: | |
453 | case OBJ_S_C_EOMW: | |
454 | case EOBJ_S_C_EEOM: | |
455 | err = _bfd_vms_slurp_eom (abfd, prev_type); | |
456 | break; | |
457 | case OBJ_S_C_GSD: | |
458 | case EOBJ_S_C_EGSD: | |
459 | err = _bfd_vms_slurp_gsd (abfd, prev_type); | |
460 | break; | |
461 | case OBJ_S_C_TIR: | |
462 | case EOBJ_S_C_ETIR: | |
463 | err = _bfd_vms_slurp_tir (abfd, prev_type); | |
464 | break; | |
465 | case OBJ_S_C_DBG: | |
466 | case EOBJ_S_C_EDBG: | |
467 | err = _bfd_vms_slurp_dbg (abfd, prev_type); | |
468 | break; | |
469 | case OBJ_S_C_TBT: | |
470 | case EOBJ_S_C_ETBT: | |
471 | err = _bfd_vms_slurp_tbt (abfd, prev_type); | |
472 | break; | |
473 | case OBJ_S_C_LNK: | |
474 | err = _bfd_vms_slurp_lnk (abfd, prev_type); | |
475 | break; | |
476 | default: | |
477 | err = -1; | |
478 | } | |
479 | if (err != 0) | |
480 | { | |
481 | #if VMS_DEBUG | |
482 | vms_debug (2, "slurp type %d failed with %d\n", prev_type, err); | |
483 | #endif | |
484 | bfd_set_error (bfd_error_wrong_format); | |
485 | return 0; | |
486 | } | |
487 | } | |
488 | while ((prev_type != EOBJ_S_C_EEOM) && (prev_type != OBJ_S_C_EOM) && (prev_type != OBJ_S_C_EOMW)); | |
489 | ||
490 | if (target_vector == &vms_vax_vec) | |
491 | { | |
492 | if (vms_fixup_sections (abfd) == false) | |
493 | { | |
494 | #if VMS_DEBUG | |
495 | vms_debug (2, "vms_fixup_sections failed\n"); | |
496 | #endif | |
497 | bfd_set_error (bfd_error_wrong_format); | |
498 | return 0; | |
499 | } | |
500 | ||
501 | /* set arch_info to vax */ | |
55f2d5ed | 502 | |
252b5132 RH |
503 | arch = bfd_scan_arch ("vax"); |
504 | PRIV (is_vax) = 1; | |
505 | #if VMS_DEBUG | |
506 | vms_debug (2, "arch is vax\n"); | |
507 | #endif | |
508 | } | |
509 | else if (target_vector == &vms_alpha_vec) | |
510 | { | |
511 | /* set arch_info to alpha */ | |
55f2d5ed | 512 | |
252b5132 RH |
513 | arch = bfd_scan_arch ("alpha"); |
514 | PRIV (is_vax) = 0; | |
515 | #if VMS_DEBUG | |
516 | vms_debug (2, "arch is alpha\n"); | |
517 | #endif | |
518 | } | |
519 | ||
520 | if (arch == 0) | |
521 | { | |
522 | #if VMS_DEBUG | |
523 | vms_debug (2, "arch not found\n"); | |
524 | #endif | |
525 | bfd_set_error (bfd_error_wrong_format); | |
526 | return 0; | |
527 | } | |
528 | abfd->arch_info = arch; | |
529 | ||
530 | return target_vector; | |
531 | } | |
532 | ||
252b5132 RH |
533 | /* Check the format for a file being read. |
534 | Return a (bfd_target *) if it's an archive file or zero. */ | |
535 | ||
536 | static const struct bfd_target * | |
537 | vms_archive_p (abfd) | |
5f771d47 | 538 | bfd *abfd ATTRIBUTE_UNUSED; |
252b5132 RH |
539 | { |
540 | #if VMS_DEBUG | |
541 | vms_debug (1, "vms_archive_p(%p)\n", abfd); | |
542 | #endif | |
543 | ||
544 | return 0; | |
545 | } | |
546 | ||
252b5132 RH |
547 | /* Set the format of a file being written. */ |
548 | ||
549 | static boolean | |
550 | vms_mkobject (abfd) | |
551 | bfd *abfd; | |
552 | { | |
553 | #if VMS_DEBUG | |
554 | vms_debug (1, "vms_mkobject(%p)\n", abfd); | |
555 | #endif | |
556 | ||
557 | if (!vms_initialize (abfd)) | |
558 | { | |
559 | fprintf (stderr, "vms_initialize () failed !!\n"); | |
560 | return 0; | |
561 | } | |
562 | ||
563 | { | |
564 | #ifdef __VAX | |
565 | const bfd_arch_info_type *arch = bfd_scan_arch ("vax"); | |
566 | #else | |
567 | const bfd_arch_info_type *arch = bfd_scan_arch ("alpha"); | |
568 | #endif | |
569 | if (arch == 0) | |
570 | { | |
571 | bfd_set_error(bfd_error_wrong_format); | |
572 | return 0; | |
573 | } | |
574 | abfd->arch_info = arch; | |
575 | } | |
576 | ||
577 | return true; | |
578 | } | |
579 | ||
252b5132 RH |
580 | /* Write cached information into a file being written, at bfd_close. */ |
581 | ||
582 | static boolean | |
583 | vms_write_object_contents (abfd) | |
584 | bfd *abfd; | |
585 | { | |
586 | #if VMS_DEBUG | |
587 | vms_debug (1, "vms_write_object_contents(%p)\n", abfd); | |
588 | #endif | |
589 | ||
590 | if (abfd->section_count > 0) /* we have sections */ | |
591 | { | |
592 | if (PRIV(is_vax)) | |
593 | { | |
594 | if (_bfd_vms_write_hdr (abfd, OBJ_S_C_HDR) != 0) | |
595 | return false; | |
596 | if (_bfd_vms_write_gsd (abfd, OBJ_S_C_GSD) != 0) | |
597 | return false; | |
598 | if (_bfd_vms_write_tir (abfd, OBJ_S_C_TIR) != 0) | |
599 | return false; | |
600 | if (_bfd_vms_write_tbt (abfd, OBJ_S_C_TBT) != 0) | |
601 | return false; | |
602 | if (_bfd_vms_write_dbg (abfd, OBJ_S_C_DBG) != 0) | |
603 | return false; | |
604 | if (abfd->section_count > 255) | |
605 | { | |
606 | if (_bfd_vms_write_eom (abfd, OBJ_S_C_EOMW) != 0) | |
607 | return false; | |
608 | } | |
609 | else | |
610 | { | |
611 | if (_bfd_vms_write_eom (abfd, OBJ_S_C_EOM) != 0) | |
612 | return false; | |
613 | } | |
614 | } | |
615 | else | |
616 | { | |
617 | if (_bfd_vms_write_hdr (abfd, EOBJ_S_C_EMH) != 0) | |
618 | return false; | |
619 | if (_bfd_vms_write_gsd (abfd, EOBJ_S_C_EGSD) != 0) | |
620 | return false; | |
621 | if (_bfd_vms_write_tir (abfd, EOBJ_S_C_ETIR) != 0) | |
622 | return false; | |
623 | if (_bfd_vms_write_tbt (abfd, EOBJ_S_C_ETBT) != 0) | |
624 | return false; | |
625 | if (_bfd_vms_write_dbg (abfd, EOBJ_S_C_EDBG) != 0) | |
626 | return false; | |
627 | if (_bfd_vms_write_eom (abfd, EOBJ_S_C_EEOM) != 0) | |
628 | return false; | |
629 | } | |
630 | } | |
631 | return true; | |
632 | } | |
633 | ||
634 | /*-- 4.1, generic -----------------------------------------------------------*/ | |
635 | ||
636 | /* Called when the BFD is being closed to do any necessary cleanup. */ | |
637 | ||
638 | static boolean | |
639 | vms_close_and_cleanup (abfd) | |
640 | bfd *abfd; | |
641 | { | |
642 | asection *sec; | |
643 | vms_section *es, *es1; | |
252b5132 RH |
644 | int i; |
645 | ||
646 | #if VMS_DEBUG | |
647 | vms_debug (1, "vms_close_and_cleanup(%p)\n", abfd); | |
648 | #endif | |
649 | if (abfd == 0) | |
650 | return true; | |
651 | ||
652 | if (PRIV(vms_buf) != NULL) | |
653 | { | |
654 | free (PRIV(vms_buf)); | |
655 | PRIV(vms_buf) = NULL; | |
656 | } | |
657 | PRIV(buf_size) = 0; | |
658 | ||
659 | if (PRIV(output_buf) != 0) | |
660 | { | |
661 | free (PRIV(output_buf)); | |
662 | PRIV(output_buf) = 0; | |
663 | } | |
664 | ||
665 | sec = abfd->sections; | |
666 | while (sec != NULL) | |
667 | { | |
668 | if (sec->contents) | |
669 | free (sec->contents); | |
670 | sec = sec->next; | |
671 | } | |
672 | ||
673 | if (PRIV(sections) != NULL) | |
674 | { | |
675 | free (PRIV(sections)); | |
676 | PRIV(sections) = NULL; | |
677 | } | |
678 | ||
679 | if (PRIV(vms_symbol_table)) | |
680 | { | |
681 | bfd_hash_table_free (PRIV(vms_symbol_table)); | |
682 | PRIV(vms_symbol_table) = 0; | |
683 | } | |
684 | ||
685 | if (PRIV(stack)) | |
686 | { | |
687 | free (PRIV(stack)); | |
688 | PRIV(stack) = 0; | |
689 | } | |
690 | ||
691 | if (PRIV(location_stack)) | |
692 | { | |
693 | free (PRIV(location_stack)); | |
694 | PRIV(location_stack) = 0; | |
695 | } | |
696 | ||
697 | for (i = 0; i < VMS_SECTION_COUNT; i++) | |
698 | { | |
699 | es = PRIV(vms_section_table)[i]; | |
700 | while (es != NULL) | |
701 | { | |
702 | es1 = es->next; | |
703 | free (es); | |
704 | es = es1; | |
705 | } | |
706 | PRIV(vms_section_table)[i] = NULL; | |
707 | } | |
708 | ||
709 | free (abfd->tdata.any); | |
710 | abfd->tdata.any = NULL; | |
711 | ||
712 | return true; | |
713 | } | |
714 | ||
252b5132 RH |
715 | /* Ask the BFD to free all cached information. */ |
716 | static boolean | |
717 | vms_bfd_free_cached_info (abfd) | |
5f771d47 | 718 | bfd *abfd ATTRIBUTE_UNUSED; |
252b5132 RH |
719 | { |
720 | #if VMS_DEBUG | |
721 | vms_debug (1, "vms_bfd_free_cached_info(%p)\n", abfd); | |
722 | #endif | |
723 | return true; | |
724 | } | |
725 | ||
252b5132 RH |
726 | /* Called when a new section is created. */ |
727 | ||
728 | static boolean | |
729 | vms_new_section_hook (abfd, section) | |
730 | bfd *abfd; | |
731 | asection *section; | |
732 | { | |
733 | #if VMS_DEBUG | |
734 | vms_debug (1, "vms_new_section_hook (%p, [%d]%s), count %d\n", abfd, section->index, section->name, abfd->section_count); | |
735 | #endif | |
736 | bfd_set_section_alignment(abfd, section, 4); | |
737 | ||
738 | if (abfd->section_count > PRIV(section_count)) | |
739 | { | |
740 | PRIV(sections) = ((asection **) | |
741 | bfd_realloc (PRIV(sections), abfd->section_count * sizeof (asection *))); | |
742 | if (PRIV(sections) == 0) | |
743 | return false; | |
744 | PRIV(section_count) = abfd->section_count; | |
745 | } | |
746 | #if VMS_DEBUG | |
747 | vms_debug (6, "section_count: %d\n", PRIV(section_count)); | |
748 | #endif | |
749 | PRIV(sections)[section->index] = section; | |
750 | #if VMS_DEBUG | |
751 | vms_debug (7, "%d: %s\n", section->index, section->name); | |
752 | #endif | |
753 | ||
754 | return true; | |
755 | } | |
756 | ||
252b5132 RH |
757 | /* Read the contents of a section. |
758 | buf points to a buffer of buf_size bytes to be filled with | |
759 | section data (starting at offset into section) */ | |
760 | ||
761 | static boolean | |
762 | vms_get_section_contents (abfd, section, buf, offset, buf_size) | |
5f771d47 ILT |
763 | bfd *abfd ATTRIBUTE_UNUSED; |
764 | asection *section ATTRIBUTE_UNUSED; | |
765 | PTR buf ATTRIBUTE_UNUSED; | |
766 | file_ptr offset ATTRIBUTE_UNUSED; | |
767 | bfd_size_type buf_size ATTRIBUTE_UNUSED; | |
252b5132 RH |
768 | { |
769 | #if VMS_DEBUG | |
770 | vms_debug (1, "vms_get_section_contents(%p, %s, %p, off %ld, size %d)\n", | |
771 | abfd, section->name, buf, offset, (int)buf_size); | |
772 | #endif | |
773 | ||
774 | /* shouldn't be called, since all sections are IN_MEMORY */ | |
775 | ||
776 | return false; | |
777 | } | |
778 | ||
779 | /* Read the contents of a section. | |
780 | buf points to a buffer of buf_size bytes to be filled with | |
781 | section data (starting at offset into section) */ | |
782 | ||
783 | static boolean | |
784 | vms_get_section_contents_in_window (abfd, section, w, offset, count) | |
5f771d47 ILT |
785 | bfd *abfd ATTRIBUTE_UNUSED; |
786 | asection *section ATTRIBUTE_UNUSED; | |
787 | bfd_window *w ATTRIBUTE_UNUSED; | |
788 | file_ptr offset ATTRIBUTE_UNUSED; | |
789 | bfd_size_type count ATTRIBUTE_UNUSED; | |
252b5132 RH |
790 | { |
791 | #if VMS_DEBUG | |
792 | vms_debug (1, "vms_get_section_contents_in_window(%p, %s, %p, off %ld, count %d)\n", | |
793 | abfd, section->name, w, offset, (int)count); | |
794 | #endif | |
795 | ||
796 | /* shouldn't be called, since all sections are IN_MEMORY */ | |
797 | ||
798 | return false; | |
799 | } | |
800 | ||
801 | /*-- Part 4.2, copy private data --------------------------------------------*/ | |
802 | ||
803 | /* Called to copy BFD general private data from one object file | |
804 | to another. */ | |
805 | ||
806 | static boolean | |
807 | vms_bfd_copy_private_bfd_data (src, dest) | |
5f771d47 ILT |
808 | bfd *src ATTRIBUTE_UNUSED; |
809 | bfd *dest ATTRIBUTE_UNUSED; | |
252b5132 RH |
810 | { |
811 | #if VMS_DEBUG | |
812 | vms_debug (1, "vms_bfd_copy_private_bfd_data(%p, %p)\n", src, dest); | |
813 | #endif | |
814 | return true; | |
815 | } | |
816 | ||
252b5132 RH |
817 | /* Merge private BFD information from the BFD @var{ibfd} to the |
818 | the output file BFD @var{obfd} when linking. Return <<true>> | |
819 | on success, <<false>> on error. Possible error returns are: | |
820 | ||
821 | o <<bfd_error_no_memory>> - | |
822 | Not enough memory exists to create private data for @var{obfd}. */ | |
823 | ||
824 | static boolean | |
825 | vms_bfd_merge_private_bfd_data (ibfd, obfd) | |
5f771d47 ILT |
826 | bfd *ibfd ATTRIBUTE_UNUSED; |
827 | bfd *obfd ATTRIBUTE_UNUSED; | |
252b5132 RH |
828 | { |
829 | #if VMS_DEBUG | |
830 | vms_debug (1,"vms_bfd_merge_private_bfd_data(%p, %p)\n", ibfd, obfd); | |
831 | #endif | |
832 | return true; | |
833 | } | |
834 | ||
252b5132 RH |
835 | /* Set private BFD flag information in the BFD @var{abfd}. |
836 | Return <<true>> on success, <<false>> on error. Possible error | |
837 | returns are: | |
838 | ||
839 | o <<bfd_error_no_memory>> - | |
840 | Not enough memory exists to create private data for @var{obfd}. */ | |
841 | ||
842 | static boolean | |
843 | vms_bfd_set_private_flags (abfd, flags) | |
5f771d47 ILT |
844 | bfd *abfd ATTRIBUTE_UNUSED; |
845 | flagword flags ATTRIBUTE_UNUSED; | |
252b5132 RH |
846 | { |
847 | #if VMS_DEBUG | |
848 | vms_debug (1,"vms_bfd_set_private_flags(%p, %lx)\n", abfd, (long)flags); | |
849 | #endif | |
850 | return true; | |
851 | } | |
852 | ||
252b5132 RH |
853 | /* Called to copy BFD private section data from one object file |
854 | to another. */ | |
855 | ||
856 | static boolean | |
857 | vms_bfd_copy_private_section_data (srcbfd, srcsec, dstbfd, dstsec) | |
5f771d47 ILT |
858 | bfd *srcbfd ATTRIBUTE_UNUSED; |
859 | asection *srcsec ATTRIBUTE_UNUSED; | |
860 | bfd *dstbfd ATTRIBUTE_UNUSED; | |
861 | asection *dstsec ATTRIBUTE_UNUSED; | |
252b5132 RH |
862 | { |
863 | #if VMS_DEBUG | |
864 | vms_debug (1, "vms_bfd_copy_private_section_data(%p, %s, %p, %s)\n", | |
865 | srcbfd, srcsec->name, dstbfd, dstsec->name); | |
866 | #endif | |
867 | return true; | |
868 | } | |
869 | ||
870 | /* Called to copy BFD private symbol data from one object file | |
871 | to another. */ | |
872 | ||
55f2d5ed | 873 | static boolean |
252b5132 | 874 | vms_bfd_copy_private_symbol_data (ibfd, isym, obfd, osym) |
5f771d47 ILT |
875 | bfd *ibfd ATTRIBUTE_UNUSED; |
876 | asymbol *isym ATTRIBUTE_UNUSED; | |
877 | bfd *obfd ATTRIBUTE_UNUSED; | |
878 | asymbol *osym ATTRIBUTE_UNUSED; | |
252b5132 RH |
879 | { |
880 | #if VMS_DEBUG | |
881 | vms_debug (1, "vms_bfd_copy_private_symbol_data(%p, %s, %p, %s)\n", | |
882 | ibfd, isym->name, obfd, osym->name); | |
883 | #endif | |
884 | return true; | |
885 | } | |
886 | ||
887 | /*-- Part 4.3, core file ----------------------------------------------------*/ | |
888 | ||
889 | /* Return a read-only string explaining which program was running | |
890 | when it failed and produced the core file abfd. */ | |
891 | ||
892 | static char * | |
893 | vms_core_file_failing_command (abfd) | |
5f771d47 | 894 | bfd *abfd ATTRIBUTE_UNUSED; |
252b5132 RH |
895 | { |
896 | #if VMS_DEBUG | |
897 | vms_debug (1, "vms_core_file_failing_command(%p)\n", abfd); | |
898 | #endif | |
899 | return 0; | |
900 | } | |
901 | ||
252b5132 RH |
902 | /* Returns the signal number which caused the core dump which |
903 | generated the file the BFD abfd is attached to. */ | |
904 | ||
905 | static int | |
906 | vms_core_file_failing_signal (abfd) | |
5f771d47 | 907 | bfd *abfd ATTRIBUTE_UNUSED; |
252b5132 RH |
908 | { |
909 | #if VMS_DEBUG | |
910 | vms_debug (1, "vms_core_file_failing_signal(%p)\n", abfd); | |
911 | #endif | |
912 | return 0; | |
913 | } | |
914 | ||
252b5132 RH |
915 | /* Return true if the core file attached to core_bfd was generated |
916 | by a run of the executable file attached to exec_bfd, false otherwise. */ | |
917 | ||
918 | static boolean | |
919 | vms_core_file_matches_executable_p (abfd, bbfd) | |
5f771d47 ILT |
920 | bfd *abfd ATTRIBUTE_UNUSED; |
921 | bfd *bbfd ATTRIBUTE_UNUSED; | |
252b5132 RH |
922 | { |
923 | #if VMS_DEBUG | |
924 | vms_debug (1, "vms_core_file_matches_executable_p(%p, %p)\n", abfd, bbfd); | |
925 | #endif | |
926 | return false; | |
927 | } | |
928 | ||
929 | /*-- Part 4.4, archive ------------------------------------------------------*/ | |
930 | ||
931 | /* ??? do something with an archive map. | |
932 | Return false on error, true otherwise. */ | |
933 | ||
934 | static boolean | |
935 | vms_slurp_armap (abfd) | |
5f771d47 | 936 | bfd *abfd ATTRIBUTE_UNUSED; |
252b5132 RH |
937 | { |
938 | #if VMS_DEBUG | |
939 | vms_debug (1, "vms_slurp_armap(%p)\n", abfd); | |
940 | #endif | |
941 | return false; | |
942 | } | |
943 | ||
252b5132 RH |
944 | /* ??? do something with an extended name table. |
945 | Return false on error, true otherwise. */ | |
946 | ||
947 | static boolean | |
948 | vms_slurp_extended_name_table (abfd) | |
5f771d47 | 949 | bfd *abfd ATTRIBUTE_UNUSED; |
252b5132 RH |
950 | { |
951 | #if VMS_DEBUG | |
952 | vms_debug (1, "vms_slurp_extended_name_table(%p)\n", abfd); | |
953 | #endif | |
954 | return false; | |
955 | } | |
956 | ||
252b5132 RH |
957 | /* ??? do something with an extended name table. |
958 | Return false on error, true otherwise. */ | |
959 | ||
960 | static boolean | |
961 | vms_construct_extended_name_table (abfd, tabloc, tablen, name) | |
5f771d47 ILT |
962 | bfd *abfd ATTRIBUTE_UNUSED; |
963 | char **tabloc ATTRIBUTE_UNUSED; | |
964 | bfd_size_type *tablen ATTRIBUTE_UNUSED; | |
965 | const char **name ATTRIBUTE_UNUSED; | |
252b5132 RH |
966 | { |
967 | #if VMS_DEBUG | |
968 | vms_debug (1, "vms_construct_extended_name_table(%p)\n", abfd); | |
969 | #endif | |
970 | return false; | |
971 | } | |
972 | ||
252b5132 RH |
973 | /* Truncate the name of an archive to match system-dependent restrictions */ |
974 | ||
975 | static void | |
976 | vms_truncate_arname (abfd, pathname, arhdr) | |
5f771d47 ILT |
977 | bfd *abfd ATTRIBUTE_UNUSED; |
978 | CONST char *pathname ATTRIBUTE_UNUSED; | |
979 | char *arhdr ATTRIBUTE_UNUSED; | |
252b5132 RH |
980 | { |
981 | #if VMS_DEBUG | |
982 | vms_debug (1, "vms_truncate_arname(%p, %s, %s)\n", abfd, pathname, arhdr); | |
983 | #endif | |
984 | return; | |
985 | } | |
986 | ||
252b5132 RH |
987 | /* ??? write archive map */ |
988 | ||
989 | static boolean | |
990 | vms_write_armap (arch, elength, map, orl_count, stridx) | |
5f771d47 ILT |
991 | bfd *arch ATTRIBUTE_UNUSED; |
992 | unsigned int elength ATTRIBUTE_UNUSED; | |
993 | struct orl *map ATTRIBUTE_UNUSED; | |
994 | unsigned int orl_count ATTRIBUTE_UNUSED; | |
995 | int stridx ATTRIBUTE_UNUSED; | |
252b5132 RH |
996 | { |
997 | #if VMS_DEBUG | |
998 | vms_debug (1, "vms_write_armap(%p, %d, %p, %d %d)\n", | |
999 | arch, elength, map, orl_count, stridx); | |
1000 | #endif | |
1001 | return true; | |
1002 | } | |
1003 | ||
1004 | /* Read archive header ??? */ | |
1005 | ||
1006 | static PTR | |
1007 | vms_read_ar_hdr (abfd) | |
5f771d47 | 1008 | bfd * abfd ATTRIBUTE_UNUSED; |
252b5132 RH |
1009 | { |
1010 | #if VMS_DEBUG | |
1011 | vms_debug (1, "vms_read_ar_hdr(%p)\n", abfd); | |
1012 | #endif | |
1013 | return (PTR)0; | |
1014 | } | |
1015 | ||
252b5132 RH |
1016 | /* Provided a BFD, @var{archive}, containing an archive and NULL, open |
1017 | an input BFD on the first contained element and returns that. | |
1018 | Subsequent calls should pass the archive and the previous return value | |
1019 | to return a created BFD to the next contained element. | |
1020 | NULL is returned when there are no more. */ | |
1021 | ||
1022 | static bfd * | |
1023 | vms_openr_next_archived_file (arch, prev) | |
5f771d47 ILT |
1024 | bfd *arch ATTRIBUTE_UNUSED; |
1025 | bfd *prev ATTRIBUTE_UNUSED; | |
252b5132 RH |
1026 | { |
1027 | #if VMS_DEBUG | |
1028 | vms_debug (1, "vms_openr_next_archived_file(%p, %p)\n", arch, prev); | |
1029 | #endif | |
01fff6e2 | 1030 | return NULL; |
252b5132 RH |
1031 | } |
1032 | ||
252b5132 RH |
1033 | /* Return the BFD which is referenced by the symbol in ABFD indexed by |
1034 | INDEX. INDEX should have been returned by bfd_get_next_mapent. */ | |
1035 | ||
1036 | static bfd * | |
1037 | vms_get_elt_at_index (abfd, index) | |
1038 | bfd *abfd; | |
1039 | symindex index; | |
1040 | { | |
1041 | #if VMS_DEBUG | |
1042 | vms_debug (1, "vms_get_elt_at_index(%p, %p)\n", abfd, index); | |
1043 | #endif | |
1044 | return _bfd_generic_get_elt_at_index(abfd, index); | |
1045 | } | |
1046 | ||
252b5132 RH |
1047 | /* ??? |
1048 | -> bfd_generic_stat_arch_elt */ | |
1049 | ||
1050 | static int | |
1051 | vms_generic_stat_arch_elt (abfd, stat) | |
1052 | bfd *abfd; | |
1053 | struct stat *stat; | |
1054 | { | |
1055 | #if VMS_DEBUG | |
1056 | vms_debug (1, "vms_generic_stat_arch_elt(%p, %p)\n", abfd, stat); | |
1057 | #endif | |
1058 | return bfd_generic_stat_arch_elt(abfd, stat); | |
1059 | } | |
1060 | ||
252b5132 RH |
1061 | /* This is a new function in bfd 2.5 */ |
1062 | ||
1063 | static boolean | |
1064 | vms_update_armap_timestamp (abfd) | |
5f771d47 | 1065 | bfd *abfd ATTRIBUTE_UNUSED; |
252b5132 RH |
1066 | { |
1067 | #if VMS_DEBUG | |
1068 | vms_debug (1, "vms_update_armap_timestamp(%p)\n", abfd); | |
1069 | #endif | |
1070 | return true; | |
1071 | } | |
1072 | ||
1073 | /*-- Part 4.5, symbols --------------------------------------------------------*/ | |
1074 | ||
1075 | /* Return the number of bytes required to store a vector of pointers | |
1076 | to asymbols for all the symbols in the BFD abfd, including a | |
1077 | terminal NULL pointer. If there are no symbols in the BFD, | |
1078 | then return 0. If an error occurs, return -1. */ | |
1079 | ||
1080 | static long | |
1081 | vms_get_symtab_upper_bound (abfd) | |
1082 | bfd *abfd; | |
1083 | { | |
1084 | #if VMS_DEBUG | |
1085 | vms_debug (1, "vms_get_symtab_upper_bound(%p), %d symbols\n", abfd, PRIV(gsd_sym_count)); | |
1086 | #endif | |
55f2d5ed | 1087 | return (PRIV(gsd_sym_count)+1) * sizeof (asymbol *); |
252b5132 RH |
1088 | } |
1089 | ||
252b5132 RH |
1090 | /* Copy symbols from hash table to symbol vector |
1091 | ||
1092 | called from bfd_hash_traverse in vms_get_symtab | |
1093 | init counter to 0 if entry == 0 */ | |
1094 | ||
1095 | static boolean | |
1096 | copy_symbols (entry, arg) | |
1097 | struct bfd_hash_entry *entry; | |
1098 | PTR arg; | |
1099 | { | |
1100 | bfd *abfd = (bfd *) arg; | |
1101 | ||
1102 | if (entry == NULL) /* init counter */ | |
1103 | PRIV(symnum) = 0; | |
1104 | else /* fill vector, inc counter */ | |
1105 | PRIV(symcache)[PRIV(symnum)++] = ((vms_symbol_entry *)entry)->symbol; | |
1106 | ||
1107 | return true; | |
1108 | } | |
1109 | ||
252b5132 RH |
1110 | /* Read the symbols from the BFD abfd, and fills in the vector |
1111 | location with pointers to the symbols and a trailing NULL. | |
1112 | ||
1113 | return # of symbols read */ | |
1114 | ||
1115 | static long | |
1116 | vms_get_symtab (abfd, symbols) | |
1117 | bfd *abfd; | |
1118 | asymbol **symbols; | |
1119 | { | |
1120 | #if VMS_DEBUG | |
1121 | vms_debug (1, "vms_get_symtab(%p, <ret>)\n", abfd); | |
1122 | #endif | |
1123 | ||
1124 | /* init counter */ | |
1125 | (void)copy_symbols((struct bfd_hash_entry *)0, abfd); | |
1126 | ||
1127 | /* traverse table and fill symbols vector */ | |
1128 | ||
1129 | PRIV(symcache) = symbols; | |
1130 | bfd_hash_traverse(PRIV(vms_symbol_table), copy_symbols, (PTR)abfd); | |
1131 | ||
1132 | symbols[PRIV(gsd_sym_count)] = NULL; | |
1133 | ||
1134 | return PRIV(gsd_sym_count); | |
1135 | } | |
1136 | ||
252b5132 RH |
1137 | /* Create a new asymbol structure for the BFD abfd and return a pointer |
1138 | to it. | |
1139 | This routine is necessary because each back end has private information | |
1140 | surrounding the asymbol. Building your own asymbol and pointing to it | |
1141 | will not create the private information, and will cause problems later on. */ | |
1142 | ||
1143 | asymbol * | |
1144 | _bfd_vms_make_empty_symbol (abfd) | |
1145 | bfd *abfd; | |
1146 | { | |
55f2d5ed | 1147 | asymbol *symbol = (asymbol *)bfd_zalloc(abfd, sizeof (asymbol)); |
252b5132 RH |
1148 | |
1149 | #if VMS_DEBUG | |
1150 | vms_debug (1, "_bfd_vms_make_empty_symbol(%p)\n", abfd); | |
1151 | #endif | |
1152 | ||
1153 | if (symbol == 0) | |
1154 | { | |
1155 | bfd_set_error (bfd_error_no_memory); | |
1156 | return 0; | |
1157 | } | |
1158 | symbol->the_bfd = abfd; | |
1159 | ||
1160 | return symbol; | |
1161 | } | |
1162 | ||
252b5132 RH |
1163 | /* Print symbol to file according to how. how is one of |
1164 | bfd_print_symbol_name just print the name | |
1165 | bfd_print_symbol_more print more (???) | |
1166 | bfd_print_symbol_all print all we know, which is not much right now :-) */ | |
1167 | ||
1168 | static void | |
1169 | vms_print_symbol (abfd, file, symbol, how) | |
5f771d47 | 1170 | bfd *abfd ATTRIBUTE_UNUSED; |
252b5132 RH |
1171 | PTR file; |
1172 | asymbol *symbol; | |
1173 | bfd_print_symbol_type how; | |
1174 | { | |
1175 | #if VMS_DEBUG | |
1176 | vms_debug (1, "vms_print_symbol(%p, %p, %p, %d)\n", abfd, file, symbol, how); | |
1177 | #endif | |
1178 | ||
1179 | switch (how) | |
1180 | { | |
1181 | case bfd_print_symbol_name: | |
1182 | case bfd_print_symbol_more: | |
55f2d5ed | 1183 | fprintf ((FILE *)file," %s", symbol->name); |
252b5132 RH |
1184 | break; |
1185 | ||
1186 | break; | |
1187 | ||
1188 | case bfd_print_symbol_all: | |
1189 | { | |
1190 | CONST char *section_name = symbol->section->name; | |
1191 | ||
1192 | bfd_print_symbol_vandf((PTR)file,symbol); | |
1193 | ||
55f2d5ed | 1194 | fprintf ((FILE *)file," %-8s %s", section_name, symbol->name); |
252b5132 RH |
1195 | } |
1196 | break; | |
1197 | } | |
1198 | return; | |
1199 | } | |
1200 | ||
252b5132 RH |
1201 | /* Return information about symbol in ret. |
1202 | ||
1203 | fill type, value and name | |
1204 | type: | |
1205 | A absolute | |
1206 | B bss segment symbol | |
1207 | C common symbol | |
1208 | D data segment symbol | |
1209 | f filename | |
1210 | t a static function symbol | |
1211 | T text segment symbol | |
1212 | U undefined | |
1213 | - debug */ | |
1214 | ||
1215 | static void | |
1216 | vms_get_symbol_info (abfd, symbol, ret) | |
5f771d47 | 1217 | bfd *abfd ATTRIBUTE_UNUSED; |
252b5132 RH |
1218 | asymbol *symbol; |
1219 | symbol_info *ret; | |
1220 | { | |
1221 | asection *sec; | |
1222 | ||
1223 | #if VMS_DEBUG | |
1224 | vms_debug (1, "vms_get_symbol_info(%p, %p, %p)\n", abfd, symbol, ret); | |
1225 | #endif | |
1226 | ||
1227 | sec = symbol->section; | |
1228 | ||
1229 | if (ret == 0) | |
1230 | return; | |
1231 | ||
1232 | if (bfd_is_com_section (sec)) | |
1233 | ret->type = 'C'; | |
1234 | else if (bfd_is_abs_section (sec)) | |
1235 | ret->type = 'A'; | |
1236 | else if (bfd_is_und_section (sec)) | |
1237 | ret->type = 'U'; | |
1238 | else if (bfd_is_ind_section (sec)) | |
1239 | ret->type = 'I'; | |
1240 | else if (bfd_get_section_flags (abfd, sec) & SEC_CODE) | |
1241 | ret->type = 'T'; | |
1242 | else if (bfd_get_section_flags (abfd, sec) & SEC_DATA) | |
1243 | ret->type = 'D'; | |
1244 | else if (bfd_get_section_flags (abfd, sec) & SEC_ALLOC) | |
1245 | ret->type = 'B'; | |
1246 | else | |
1247 | ret->type = '-'; | |
1248 | ||
1249 | if (ret->type != 'U') | |
1250 | ret->value = symbol->value + symbol->section->vma; | |
1251 | else | |
1252 | ret->value = 0; | |
1253 | ret->name = symbol->name; | |
1254 | ||
1255 | return; | |
1256 | } | |
1257 | ||
252b5132 RH |
1258 | /* Return true if the given symbol sym in the BFD abfd is |
1259 | a compiler generated local label, else return false. */ | |
1260 | ||
1261 | static boolean | |
1262 | vms_bfd_is_local_label_name (abfd, name) | |
5f771d47 | 1263 | bfd *abfd ATTRIBUTE_UNUSED; |
252b5132 RH |
1264 | const char *name; |
1265 | { | |
1266 | #if VMS_DEBUG | |
1267 | vms_debug (1, "vms_bfd_is_local_label_name(%p, %s)\n", abfd, name); | |
1268 | #endif | |
1269 | return name[0] == '$'; | |
1270 | } | |
1271 | ||
252b5132 RH |
1272 | /* Get source line number for symbol */ |
1273 | ||
1274 | static alent * | |
1275 | vms_get_lineno (abfd, symbol) | |
5f771d47 ILT |
1276 | bfd *abfd ATTRIBUTE_UNUSED; |
1277 | asymbol *symbol ATTRIBUTE_UNUSED; | |
252b5132 RH |
1278 | { |
1279 | #if VMS_DEBUG | |
1280 | vms_debug (1, "vms_get_lineno(%p, %p)\n", abfd, symbol); | |
1281 | #endif | |
1282 | return 0; | |
1283 | } | |
1284 | ||
252b5132 RH |
1285 | /* Provided a BFD, a section and an offset into the section, calculate and |
1286 | return the name of the source file and the line nearest to the wanted | |
1287 | location. */ | |
1288 | ||
1289 | static boolean | |
1290 | vms_find_nearest_line (abfd, section, symbols, offset, file, func, line) | |
5f771d47 ILT |
1291 | bfd *abfd ATTRIBUTE_UNUSED; |
1292 | asection *section ATTRIBUTE_UNUSED; | |
1293 | asymbol **symbols ATTRIBUTE_UNUSED; | |
1294 | bfd_vma offset ATTRIBUTE_UNUSED; | |
1295 | CONST char **file ATTRIBUTE_UNUSED; | |
1296 | CONST char **func ATTRIBUTE_UNUSED; | |
1297 | unsigned int *line ATTRIBUTE_UNUSED; | |
252b5132 RH |
1298 | { |
1299 | #if VMS_DEBUG | |
1300 | vms_debug (1, "vms_find_nearest_line(%p, %s, %p, %ld, <ret>, <ret>, <ret>)\n", | |
1301 | abfd, section->name, symbols, (long int)offset); | |
1302 | #endif | |
1303 | return false; | |
1304 | } | |
1305 | ||
252b5132 RH |
1306 | /* Back-door to allow format-aware applications to create debug symbols |
1307 | while using BFD for everything else. Currently used by the assembler | |
1308 | when creating COFF files. */ | |
1309 | ||
1310 | static asymbol * | |
1311 | vms_bfd_make_debug_symbol (abfd, ptr, size) | |
5f771d47 ILT |
1312 | bfd *abfd ATTRIBUTE_UNUSED; |
1313 | void *ptr ATTRIBUTE_UNUSED; | |
1314 | unsigned long size ATTRIBUTE_UNUSED; | |
252b5132 RH |
1315 | { |
1316 | #if VMS_DEBUG | |
1317 | vms_debug (1, "vms_bfd_make_debug_symbol(%p, %p, %ld)\n", abfd, ptr, size); | |
1318 | #endif | |
1319 | return 0; | |
1320 | } | |
1321 | ||
252b5132 RH |
1322 | /* Read minisymbols. For minisymbols, we use the unmodified a.out |
1323 | symbols. The minisymbol_to_symbol function translates these into | |
1324 | BFD asymbol structures. */ | |
1325 | ||
1326 | static long | |
1327 | vms_read_minisymbols (abfd, dynamic, minisymsp, sizep) | |
1328 | bfd *abfd; | |
1329 | boolean dynamic; | |
1330 | PTR *minisymsp; | |
1331 | unsigned int *sizep; | |
1332 | { | |
1333 | #if VMS_DEBUG | |
1334 | vms_debug (1, "vms_read_minisymbols(%p, %d, %p, %d)\n", abfd, dynamic, minisymsp, *sizep); | |
1335 | #endif | |
1336 | return _bfd_generic_read_minisymbols (abfd, dynamic, minisymsp, sizep); | |
1337 | } | |
1338 | ||
1339 | /* Convert a minisymbol to a BFD asymbol. A minisymbol is just an | |
1340 | unmodified a.out symbol. The SYM argument is a structure returned | |
1341 | by bfd_make_empty_symbol, which we fill in here. */ | |
1342 | ||
1343 | static asymbol * | |
1344 | vms_minisymbol_to_symbol (abfd, dynamic, minisym, sym) | |
1345 | bfd *abfd; | |
1346 | boolean dynamic; | |
1347 | const PTR minisym; | |
1348 | asymbol *sym; | |
1349 | { | |
1350 | #if VMS_DEBUG | |
1351 | vms_debug (1, "vms_minisymbol_to_symbol(%p, %d, %p, %p)\n", abfd, dynamic, minisym, sym); | |
1352 | #endif | |
1353 | return _bfd_generic_minisymbol_to_symbol (abfd, dynamic, minisym, sym); | |
1354 | } | |
1355 | ||
1356 | /*-- Part 4.6, relocations --------------------------------------------------*/ | |
1357 | ||
1358 | /* Return the number of bytes required to store the relocation information | |
1359 | associated with section sect attached to bfd abfd. | |
1360 | If an error occurs, return -1. */ | |
1361 | ||
1362 | static long | |
1363 | vms_get_reloc_upper_bound (abfd, section) | |
5f771d47 ILT |
1364 | bfd *abfd ATTRIBUTE_UNUSED; |
1365 | asection *section ATTRIBUTE_UNUSED; | |
252b5132 RH |
1366 | { |
1367 | #if VMS_DEBUG | |
1368 | vms_debug (1, "vms_get_reloc_upper_bound(%p, %s)\n", abfd, section->name); | |
1369 | #endif | |
1370 | return -1L; | |
1371 | } | |
1372 | ||
252b5132 RH |
1373 | /* Call the back end associated with the open BFD abfd and translate the |
1374 | external form of the relocation information attached to sec into the | |
1375 | internal canonical form. Place the table into memory at loc, which has | |
1376 | been preallocated, usually by a call to bfd_get_reloc_upper_bound. | |
1377 | Returns the number of relocs, or -1 on error. */ | |
1378 | ||
1379 | static long | |
1380 | vms_canonicalize_reloc (abfd, section, location, symbols) | |
5f771d47 ILT |
1381 | bfd *abfd ATTRIBUTE_UNUSED; |
1382 | asection *section ATTRIBUTE_UNUSED; | |
1383 | arelent **location ATTRIBUTE_UNUSED; | |
1384 | asymbol **symbols ATTRIBUTE_UNUSED; | |
252b5132 RH |
1385 | { |
1386 | #if VMS_DEBUG | |
1387 | vms_debug (1, "vms_canonicalize_reloc(%p, %s, <ret>, <ret>)\n", abfd, section->name); | |
1388 | #endif | |
1389 | return false; | |
1390 | } | |
1391 | ||
1392 | /*---------------------------------------------------------------------------*/ | |
1393 | /* this is just copied from ecoff-alpha, needs to be fixed probably */ | |
1394 | ||
1395 | /* How to process the various reloc types. */ | |
1396 | ||
1397 | static bfd_reloc_status_type | |
1398 | reloc_nil (abfd, reloc, sym, data, sec, output_bfd, error_message) | |
5f771d47 ILT |
1399 | bfd *abfd ATTRIBUTE_UNUSED; |
1400 | arelent *reloc ATTRIBUTE_UNUSED; | |
1401 | asymbol *sym ATTRIBUTE_UNUSED; | |
1402 | PTR data ATTRIBUTE_UNUSED; | |
1403 | asection *sec ATTRIBUTE_UNUSED; | |
1404 | bfd *output_bfd ATTRIBUTE_UNUSED; | |
1405 | char **error_message ATTRIBUTE_UNUSED; | |
252b5132 RH |
1406 | { |
1407 | #if VMS_DEBUG | |
1408 | vms_debug (1, "reloc_nil(abfd %p, output_bfd %p)\n", abfd, output_bfd); | |
1409 | vms_debug (2, "In section %s, symbol %s\n", | |
1410 | sec->name, sym->name); | |
1411 | vms_debug (2, "reloc sym %s, addr %08lx, addend %08lx, reloc is a %s\n", | |
1412 | reloc->sym_ptr_ptr[0]->name, | |
1413 | (unsigned long)reloc->address, | |
1414 | (unsigned long)reloc->addend, reloc->howto->name); | |
1415 | vms_debug (2, "data at %p\n", data); | |
1416 | /* _bfd_hexdump (2, data, bfd_get_reloc_size(reloc->howto),0); */ | |
1417 | #endif | |
1418 | ||
1419 | return bfd_reloc_ok; | |
1420 | } | |
1421 | ||
1422 | /* In case we're on a 32-bit machine, construct a 64-bit "-1" value | |
1423 | from smaller values. Start with zero, widen, *then* decrement. */ | |
1424 | #define MINUS_ONE (((bfd_vma)0) - 1) | |
1425 | ||
1426 | static reloc_howto_type alpha_howto_table[] = | |
1427 | { | |
1428 | HOWTO (ALPHA_R_IGNORE, /* type */ | |
1429 | 0, /* rightshift */ | |
1430 | 0, /* size (0 = byte, 1 = short, 2 = long) */ | |
1431 | 8, /* bitsize */ | |
1432 | true, /* pc_relative */ | |
1433 | 0, /* bitpos */ | |
1434 | complain_overflow_dont, /* complain_on_overflow */ | |
1435 | reloc_nil, /* special_function */ | |
1436 | "IGNORE", /* name */ | |
1437 | true, /* partial_inplace */ | |
1438 | 0, /* src_mask */ | |
1439 | 0, /* dst_mask */ | |
1440 | true), /* pcrel_offset */ | |
1441 | ||
1442 | /* A 64 bit reference to a symbol. */ | |
1443 | HOWTO (ALPHA_R_REFQUAD, /* type */ | |
1444 | 0, /* rightshift */ | |
1445 | 4, /* size (0 = byte, 1 = short, 2 = long) */ | |
1446 | 64, /* bitsize */ | |
1447 | false, /* pc_relative */ | |
1448 | 0, /* bitpos */ | |
1449 | complain_overflow_bitfield, /* complain_on_overflow */ | |
1450 | reloc_nil, /* special_function */ | |
1451 | "REFQUAD", /* name */ | |
1452 | true, /* partial_inplace */ | |
1453 | MINUS_ONE, /* src_mask */ | |
1454 | MINUS_ONE, /* dst_mask */ | |
1455 | false), /* pcrel_offset */ | |
1456 | ||
1457 | /* A 21 bit branch. The native assembler generates these for | |
1458 | branches within the text segment, and also fills in the PC | |
1459 | relative offset in the instruction. */ | |
1460 | HOWTO (ALPHA_R_BRADDR, /* type */ | |
1461 | 2, /* rightshift */ | |
1462 | 2, /* size (0 = byte, 1 = short, 2 = long) */ | |
1463 | 21, /* bitsize */ | |
1464 | true, /* pc_relative */ | |
1465 | 0, /* bitpos */ | |
1466 | complain_overflow_signed, /* complain_on_overflow */ | |
1467 | reloc_nil, /* special_function */ | |
1468 | "BRADDR", /* name */ | |
1469 | true, /* partial_inplace */ | |
1470 | 0x1fffff, /* src_mask */ | |
1471 | 0x1fffff, /* dst_mask */ | |
1472 | false), /* pcrel_offset */ | |
1473 | ||
1474 | /* A hint for a jump to a register. */ | |
1475 | HOWTO (ALPHA_R_HINT, /* type */ | |
1476 | 2, /* rightshift */ | |
1477 | 1, /* size (0 = byte, 1 = short, 2 = long) */ | |
1478 | 14, /* bitsize */ | |
1479 | true, /* pc_relative */ | |
1480 | 0, /* bitpos */ | |
1481 | complain_overflow_dont, /* complain_on_overflow */ | |
1482 | reloc_nil, /* special_function */ | |
1483 | "HINT", /* name */ | |
1484 | true, /* partial_inplace */ | |
1485 | 0x3fff, /* src_mask */ | |
1486 | 0x3fff, /* dst_mask */ | |
1487 | false), /* pcrel_offset */ | |
1488 | ||
1489 | /* 16 bit PC relative offset. */ | |
1490 | HOWTO (ALPHA_R_SREL16, /* type */ | |
1491 | 0, /* rightshift */ | |
1492 | 1, /* size (0 = byte, 1 = short, 2 = long) */ | |
1493 | 16, /* bitsize */ | |
1494 | true, /* pc_relative */ | |
1495 | 0, /* bitpos */ | |
1496 | complain_overflow_signed, /* complain_on_overflow */ | |
1497 | reloc_nil, /* special_function */ | |
1498 | "SREL16", /* name */ | |
1499 | true, /* partial_inplace */ | |
1500 | 0xffff, /* src_mask */ | |
1501 | 0xffff, /* dst_mask */ | |
1502 | false), /* pcrel_offset */ | |
1503 | ||
1504 | /* 32 bit PC relative offset. */ | |
1505 | HOWTO (ALPHA_R_SREL32, /* type */ | |
1506 | 0, /* rightshift */ | |
1507 | 2, /* size (0 = byte, 1 = short, 2 = long) */ | |
1508 | 32, /* bitsize */ | |
1509 | true, /* pc_relative */ | |
1510 | 0, /* bitpos */ | |
1511 | complain_overflow_signed, /* complain_on_overflow */ | |
1512 | reloc_nil, /* special_function */ | |
1513 | "SREL32", /* name */ | |
1514 | true, /* partial_inplace */ | |
1515 | 0xffffffff, /* src_mask */ | |
1516 | 0xffffffff, /* dst_mask */ | |
1517 | false), /* pcrel_offset */ | |
1518 | ||
1519 | /* A 64 bit PC relative offset. */ | |
1520 | HOWTO (ALPHA_R_SREL64, /* type */ | |
1521 | 0, /* rightshift */ | |
1522 | 4, /* size (0 = byte, 1 = short, 2 = long) */ | |
1523 | 64, /* bitsize */ | |
1524 | true, /* pc_relative */ | |
1525 | 0, /* bitpos */ | |
1526 | complain_overflow_signed, /* complain_on_overflow */ | |
1527 | reloc_nil, /* special_function */ | |
1528 | "SREL64", /* name */ | |
1529 | true, /* partial_inplace */ | |
1530 | MINUS_ONE, /* src_mask */ | |
1531 | MINUS_ONE, /* dst_mask */ | |
1532 | false), /* pcrel_offset */ | |
1533 | ||
1534 | /* Push a value on the reloc evaluation stack. */ | |
1535 | HOWTO (ALPHA_R_OP_PUSH, /* type */ | |
1536 | 0, /* rightshift */ | |
1537 | 0, /* size (0 = byte, 1 = short, 2 = long) */ | |
1538 | 0, /* bitsize */ | |
1539 | false, /* pc_relative */ | |
1540 | 0, /* bitpos */ | |
1541 | complain_overflow_dont, /* complain_on_overflow */ | |
1542 | reloc_nil, /* special_function */ | |
1543 | "OP_PUSH", /* name */ | |
1544 | false, /* partial_inplace */ | |
1545 | 0, /* src_mask */ | |
1546 | 0, /* dst_mask */ | |
1547 | false), /* pcrel_offset */ | |
1548 | ||
1549 | /* Store the value from the stack at the given address. Store it in | |
1550 | a bitfield of size r_size starting at bit position r_offset. */ | |
1551 | HOWTO (ALPHA_R_OP_STORE, /* type */ | |
1552 | 0, /* rightshift */ | |
1553 | 4, /* size (0 = byte, 1 = short, 2 = long) */ | |
1554 | 64, /* bitsize */ | |
1555 | false, /* pc_relative */ | |
1556 | 0, /* bitpos */ | |
1557 | complain_overflow_dont, /* complain_on_overflow */ | |
1558 | reloc_nil, /* special_function */ | |
1559 | "OP_STORE", /* name */ | |
1560 | false, /* partial_inplace */ | |
1561 | 0, /* src_mask */ | |
1562 | MINUS_ONE, /* dst_mask */ | |
1563 | false), /* pcrel_offset */ | |
1564 | ||
1565 | /* Subtract the reloc address from the value on the top of the | |
1566 | relocation stack. */ | |
1567 | HOWTO (ALPHA_R_OP_PSUB, /* type */ | |
1568 | 0, /* rightshift */ | |
1569 | 0, /* size (0 = byte, 1 = short, 2 = long) */ | |
1570 | 0, /* bitsize */ | |
1571 | false, /* pc_relative */ | |
1572 | 0, /* bitpos */ | |
1573 | complain_overflow_dont, /* complain_on_overflow */ | |
1574 | reloc_nil, /* special_function */ | |
1575 | "OP_PSUB", /* name */ | |
1576 | false, /* partial_inplace */ | |
1577 | 0, /* src_mask */ | |
1578 | 0, /* dst_mask */ | |
1579 | false), /* pcrel_offset */ | |
1580 | ||
1581 | /* Shift the value on the top of the relocation stack right by the | |
1582 | given value. */ | |
1583 | HOWTO (ALPHA_R_OP_PRSHIFT, /* type */ | |
1584 | 0, /* rightshift */ | |
1585 | 0, /* size (0 = byte, 1 = short, 2 = long) */ | |
1586 | 0, /* bitsize */ | |
1587 | false, /* pc_relative */ | |
1588 | 0, /* bitpos */ | |
1589 | complain_overflow_dont, /* complain_on_overflow */ | |
1590 | reloc_nil, /* special_function */ | |
1591 | "OP_PRSHIFT", /* name */ | |
1592 | false, /* partial_inplace */ | |
1593 | 0, /* src_mask */ | |
1594 | 0, /* dst_mask */ | |
1595 | false), /* pcrel_offset */ | |
1596 | ||
1597 | /* Hack. Linkage is done by linker. */ | |
1598 | HOWTO (ALPHA_R_LINKAGE, /* type */ | |
1599 | 0, /* rightshift */ | |
1600 | 8, /* size (0 = byte, 1 = short, 2 = long) */ | |
1601 | 256, /* bitsize */ | |
1602 | false, /* pc_relative */ | |
1603 | 0, /* bitpos */ | |
1604 | complain_overflow_dont, /* complain_on_overflow */ | |
1605 | reloc_nil, /* special_function */ | |
1606 | "LINKAGE", /* name */ | |
1607 | false, /* partial_inplace */ | |
1608 | 0, /* src_mask */ | |
1609 | 0, /* dst_mask */ | |
1610 | false), /* pcrel_offset */ | |
1611 | ||
1612 | /* A 32 bit reference to a symbol. */ | |
1613 | HOWTO (ALPHA_R_REFLONG, /* type */ | |
1614 | 0, /* rightshift */ | |
1615 | 2, /* size (0 = byte, 1 = short, 2 = long) */ | |
1616 | 32, /* bitsize */ | |
1617 | false, /* pc_relative */ | |
1618 | 0, /* bitpos */ | |
1619 | complain_overflow_bitfield, /* complain_on_overflow */ | |
1620 | reloc_nil, /* special_function */ | |
1621 | "REFLONG", /* name */ | |
1622 | true, /* partial_inplace */ | |
1623 | 0xffffffff, /* src_mask */ | |
1624 | 0xffffffff, /* dst_mask */ | |
1625 | false), /* pcrel_offset */ | |
1626 | ||
1627 | /* A 64 bit reference to a procedure, written as 32 bit value. */ | |
1628 | HOWTO (ALPHA_R_CODEADDR, /* type */ | |
1629 | 0, /* rightshift */ | |
1630 | 4, /* size (0 = byte, 1 = short, 2 = long) */ | |
1631 | 64, /* bitsize */ | |
1632 | false, /* pc_relative */ | |
1633 | 0, /* bitpos */ | |
1634 | complain_overflow_signed,/* complain_on_overflow */ | |
1635 | reloc_nil, /* special_function */ | |
1636 | "CODEADDR", /* name */ | |
1637 | false, /* partial_inplace */ | |
1638 | 0xffffffff, /* src_mask */ | |
1639 | 0xffffffff, /* dst_mask */ | |
1640 | false), /* pcrel_offset */ | |
1641 | ||
1642 | }; | |
1643 | ||
1644 | /* Return a pointer to a howto structure which, when invoked, will perform | |
1645 | the relocation code on data from the architecture noted. */ | |
1646 | ||
1647 | static const struct reloc_howto_struct * | |
1648 | vms_bfd_reloc_type_lookup (abfd, code) | |
5f771d47 | 1649 | bfd *abfd ATTRIBUTE_UNUSED; |
252b5132 RH |
1650 | bfd_reloc_code_real_type code; |
1651 | { | |
1652 | int alpha_type; | |
1653 | ||
1654 | #if VMS_DEBUG | |
1655 | vms_debug (1, "vms_bfd_reloc_type_lookup(%p, %d)\t", abfd, code); | |
1656 | #endif | |
1657 | ||
1658 | switch (code) | |
1659 | { | |
1660 | case BFD_RELOC_16: alpha_type = ALPHA_R_SREL16; break; | |
1661 | case BFD_RELOC_32: alpha_type = ALPHA_R_REFLONG; break; | |
1662 | case BFD_RELOC_64: alpha_type = ALPHA_R_REFQUAD; break; | |
1663 | case BFD_RELOC_CTOR: alpha_type = ALPHA_R_REFQUAD; break; | |
1664 | case BFD_RELOC_23_PCREL_S2: alpha_type = ALPHA_R_BRADDR; break; | |
1665 | case BFD_RELOC_ALPHA_HINT: alpha_type = ALPHA_R_HINT; break; | |
1666 | case BFD_RELOC_16_PCREL: alpha_type = ALPHA_R_SREL16; break; | |
1667 | case BFD_RELOC_32_PCREL: alpha_type = ALPHA_R_SREL32; break; | |
1668 | case BFD_RELOC_64_PCREL: alpha_type = ALPHA_R_SREL64; break; | |
1669 | case BFD_RELOC_ALPHA_LINKAGE: alpha_type = ALPHA_R_LINKAGE; break; | |
1670 | case BFD_RELOC_ALPHA_CODEADDR: alpha_type = ALPHA_R_CODEADDR; break; | |
1671 | default: | |
1672 | (*_bfd_error_handler) ("reloc (%d) is *UNKNOWN*", code); | |
1673 | return (const struct reloc_howto_struct *) NULL; | |
1674 | } | |
1675 | #if VMS_DEBUG | |
1676 | vms_debug (2, "reloc is %s\n", alpha_howto_table[alpha_type].name); | |
1677 | #endif | |
1678 | return &alpha_howto_table[alpha_type]; | |
1679 | } | |
1680 | ||
252b5132 RH |
1681 | /*-- Part 4.7, writing an object file ---------------------------------------*/ |
1682 | ||
1683 | /* Set the architecture and machine type in BFD abfd to arch and mach. | |
1684 | Find the correct pointer to a structure and insert it into the arch_info | |
1685 | pointer. */ | |
1686 | ||
1687 | static boolean | |
1688 | vms_set_arch_mach (abfd, arch, mach) | |
1689 | bfd *abfd; | |
5f771d47 ILT |
1690 | enum bfd_architecture arch ATTRIBUTE_UNUSED; |
1691 | unsigned long mach ATTRIBUTE_UNUSED; | |
252b5132 RH |
1692 | { |
1693 | #if VMS_DEBUG | |
1694 | vms_debug (1, "vms_set_arch_mach(%p, %d, %ld)\n", abfd, arch, mach); | |
1695 | #endif | |
1696 | abfd->arch_info = bfd_scan_arch("alpha"); | |
1697 | ||
1698 | return true; | |
1699 | } | |
1700 | ||
252b5132 RH |
1701 | /* Sets the contents of the section section in BFD abfd to the data starting |
1702 | in memory at data. The data is written to the output section starting at | |
1703 | offset offset for count bytes. | |
1704 | ||
1705 | Normally true is returned, else false. Possible error returns are: | |
1706 | o bfd_error_no_contents - The output section does not have the | |
1707 | SEC_HAS_CONTENTS attribute, so nothing can be written to it. | |
1708 | o and some more too */ | |
1709 | ||
1710 | static boolean | |
1711 | vms_set_section_contents (abfd, section, location, offset, count) | |
1712 | bfd *abfd; | |
1713 | asection *section; | |
1714 | PTR location; | |
1715 | file_ptr offset; | |
1716 | bfd_size_type count; | |
1717 | { | |
1718 | #if VMS_DEBUG | |
1719 | vms_debug (1, "vms_set_section_contents(%p, sec %s, loc %p, off %ld, count %d)\n", | |
1720 | abfd, section->name, location, (long int)offset, (int)count); | |
1721 | vms_debug (2, "secraw %d, seccooked %d\n", (int)section->_raw_size, (int)section->_cooked_size); | |
1722 | #endif | |
1723 | return _bfd_save_vms_section(abfd, section, location, offset, count); | |
1724 | } | |
1725 | ||
252b5132 RH |
1726 | /*-- Part 4.8, linker -------------------------------------------------------*/ |
1727 | ||
1728 | /* Get the size of the section headers. */ | |
1729 | ||
1730 | static int | |
1731 | vms_sizeof_headers (abfd, reloc) | |
5f771d47 ILT |
1732 | bfd *abfd ATTRIBUTE_UNUSED; |
1733 | boolean reloc ATTRIBUTE_UNUSED; | |
252b5132 RH |
1734 | { |
1735 | #if VMS_DEBUG | |
1736 | vms_debug (1, "vms_sizeof_headers(%p, %s)\n", abfd, (reloc)?"True":"False"); | |
1737 | #endif | |
1738 | return 0; | |
1739 | } | |
1740 | ||
252b5132 RH |
1741 | /* Provides default handling of relocation effort for back ends |
1742 | which can't be bothered to do it efficiently. */ | |
1743 | ||
1744 | static bfd_byte * | |
1745 | vms_bfd_get_relocated_section_contents (abfd, link_info, link_order, data, | |
1746 | relocateable, symbols) | |
5f771d47 ILT |
1747 | bfd *abfd ATTRIBUTE_UNUSED; |
1748 | struct bfd_link_info *link_info ATTRIBUTE_UNUSED; | |
1749 | struct bfd_link_order *link_order ATTRIBUTE_UNUSED; | |
1750 | bfd_byte *data ATTRIBUTE_UNUSED; | |
1751 | boolean relocateable ATTRIBUTE_UNUSED; | |
1752 | asymbol **symbols ATTRIBUTE_UNUSED; | |
252b5132 RH |
1753 | { |
1754 | #if VMS_DEBUG | |
1755 | vms_debug (1, "vms_bfd_get_relocated_section_contents(%p, %p, %p, %p, %s, %p)\n", | |
1756 | abfd, link_info, link_order, data, (relocateable)?"True":"False", symbols); | |
1757 | #endif | |
1758 | return 0; | |
1759 | } | |
1760 | ||
252b5132 RH |
1761 | /* ??? */ |
1762 | ||
1763 | static boolean | |
1764 | vms_bfd_relax_section (abfd, section, link_info, again) | |
5f771d47 ILT |
1765 | bfd *abfd ATTRIBUTE_UNUSED; |
1766 | asection *section ATTRIBUTE_UNUSED; | |
1767 | struct bfd_link_info *link_info ATTRIBUTE_UNUSED; | |
1768 | boolean *again ATTRIBUTE_UNUSED; | |
252b5132 RH |
1769 | { |
1770 | #if VMS_DEBUG | |
1771 | vms_debug (1, "vms_bfd_relax_section(%p, %s, %p, <ret>)\n", | |
1772 | abfd, section->name, link_info); | |
1773 | #endif | |
1774 | return true; | |
1775 | } | |
1776 | ||
1777 | static boolean | |
1778 | vms_bfd_gc_sections (abfd, link_info) | |
5f771d47 ILT |
1779 | bfd *abfd ATTRIBUTE_UNUSED; |
1780 | struct bfd_link_info *link_info ATTRIBUTE_UNUSED; | |
252b5132 RH |
1781 | { |
1782 | #if VMS_DEBUG | |
1783 | vms_debug (1, "vms_bfd_gc_sections(%p, %p)\n", abfd, link_info); | |
1784 | #endif | |
1785 | return true; | |
1786 | } | |
1787 | ||
252b5132 RH |
1788 | /* Create a hash table for the linker. Different backends store |
1789 | different information in this table. */ | |
1790 | ||
1791 | static struct bfd_link_hash_table * | |
1792 | vms_bfd_link_hash_table_create (abfd) | |
5f771d47 | 1793 | bfd *abfd ATTRIBUTE_UNUSED; |
252b5132 RH |
1794 | { |
1795 | #if VMS_DEBUG | |
1796 | vms_debug (1, "vms_bfd_link_hash_table_create(%p)\n", abfd); | |
1797 | #endif | |
1798 | return 0; | |
1799 | } | |
1800 | ||
252b5132 RH |
1801 | /* Add symbols from this object file into the hash table. */ |
1802 | ||
1803 | static boolean | |
1804 | vms_bfd_link_add_symbols (abfd, link_info) | |
5f771d47 ILT |
1805 | bfd *abfd ATTRIBUTE_UNUSED; |
1806 | struct bfd_link_info *link_info ATTRIBUTE_UNUSED; | |
252b5132 RH |
1807 | { |
1808 | #if VMS_DEBUG | |
1809 | vms_debug (1, "vms_bfd_link_add_symbols(%p, %p)\n", abfd, link_info); | |
1810 | #endif | |
1811 | return false; | |
1812 | } | |
1813 | ||
252b5132 RH |
1814 | /* Do a link based on the link_order structures attached to each |
1815 | section of the BFD. */ | |
1816 | ||
1817 | static boolean | |
1818 | vms_bfd_final_link (abfd, link_info) | |
5f771d47 ILT |
1819 | bfd *abfd ATTRIBUTE_UNUSED; |
1820 | struct bfd_link_info *link_info ATTRIBUTE_UNUSED; | |
252b5132 RH |
1821 | { |
1822 | #if VMS_DEBUG | |
1823 | vms_debug (1, "vms_bfd_final_link(%p, %p)\n", abfd, link_info); | |
1824 | #endif | |
1825 | return true; | |
1826 | } | |
1827 | ||
1828 | /* Should this section be split up into smaller pieces during linking. */ | |
1829 | ||
1830 | static boolean | |
1831 | vms_bfd_link_split_section (abfd, section) | |
5f771d47 ILT |
1832 | bfd *abfd ATTRIBUTE_UNUSED; |
1833 | asection *section ATTRIBUTE_UNUSED; | |
252b5132 RH |
1834 | { |
1835 | #if VMS_DEBUG | |
1836 | vms_debug (1, "vms_bfd_link_split_section(%p, %s)\n", abfd, section->name); | |
1837 | #endif | |
1838 | return false; | |
1839 | } | |
1840 | ||
1841 | /*-- Part 4.9, dynamic symbols and relocations ------------------------------*/ | |
1842 | ||
1843 | /* Get the amount of memory required to hold the dynamic symbols. */ | |
1844 | ||
1845 | static long | |
1846 | vms_get_dynamic_symtab_upper_bound (abfd) | |
5f771d47 | 1847 | bfd *abfd ATTRIBUTE_UNUSED; |
252b5132 RH |
1848 | { |
1849 | #if VMS_DEBUG | |
1850 | vms_debug (1, "vms_get_dynamic_symtab_upper_bound(%p)\n", abfd); | |
1851 | #endif | |
1852 | return 0; | |
1853 | } | |
1854 | ||
1855 | static boolean | |
1856 | vms_bfd_print_private_bfd_data (abfd, file) | |
5f771d47 ILT |
1857 | bfd *abfd ATTRIBUTE_UNUSED; |
1858 | void *file ATTRIBUTE_UNUSED; | |
252b5132 RH |
1859 | { |
1860 | #if VMS_DEBUG | |
1861 | vms_debug (1, "vms_bfd_print_private_bfd_data(%p)\n", abfd); | |
1862 | #endif | |
1863 | return 0; | |
1864 | } | |
1865 | ||
252b5132 RH |
1866 | /* Read in the dynamic symbols. */ |
1867 | ||
1868 | static long | |
1869 | vms_canonicalize_dynamic_symtab (abfd, symbols) | |
5f771d47 ILT |
1870 | bfd *abfd ATTRIBUTE_UNUSED; |
1871 | asymbol **symbols ATTRIBUTE_UNUSED; | |
252b5132 RH |
1872 | { |
1873 | #if VMS_DEBUG | |
1874 | vms_debug (1, "vms_canonicalize_dynamic_symtab(%p, <ret>)\n", abfd); | |
1875 | #endif | |
1876 | return 0L; | |
1877 | } | |
1878 | ||
252b5132 RH |
1879 | /* Get the amount of memory required to hold the dynamic relocs. */ |
1880 | ||
1881 | static long | |
1882 | vms_get_dynamic_reloc_upper_bound (abfd) | |
5f771d47 | 1883 | bfd *abfd ATTRIBUTE_UNUSED; |
252b5132 RH |
1884 | { |
1885 | #if VMS_DEBUG | |
1886 | vms_debug (1, "vms_get_dynamic_reloc_upper_bound(%p)\n", abfd); | |
1887 | #endif | |
1888 | return 0L; | |
1889 | } | |
1890 | ||
252b5132 RH |
1891 | /* Read in the dynamic relocs. */ |
1892 | ||
1893 | static long | |
1894 | vms_canonicalize_dynamic_reloc (abfd, arel, symbols) | |
5f771d47 ILT |
1895 | bfd *abfd ATTRIBUTE_UNUSED; |
1896 | arelent **arel ATTRIBUTE_UNUSED; | |
1897 | asymbol **symbols ATTRIBUTE_UNUSED; | |
252b5132 RH |
1898 | { |
1899 | #if VMS_DEBUG | |
1900 | vms_debug (1, "vms_canonicalize_dynamic_reloc(%p)\n", abfd); | |
1901 | #endif | |
1902 | return 0L; | |
1903 | } |