Commit | Line | Data |
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252b5132 RH |
1 | /* vms.c -- BFD back-end for VAX (openVMS/VAX) and |
2 | EVAX (openVMS/Alpha) files. | |
7898deda NC |
3 | Copyright 1996, 1997, 1998, 1999, 2000, 2001 |
4 | Free Software Foundation, Inc. | |
252b5132 RH |
5 | |
6 | Written by Klaus K"ampf (kkaempf@rmi.de) | |
7 | ||
8 | This program is free software; you can redistribute it and/or modify | |
9 | it under the terms of the GNU General Public License as published by | |
10 | the Free Software Foundation; either version 2 of the License, or | |
11 | (at your option) any later version. | |
12 | ||
13 | This program is distributed in the hope that it will be useful, | |
14 | but WITHOUT ANY WARRANTY; without even the implied warranty of | |
15 | MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the | |
16 | GNU General Public License for more details. | |
17 | ||
18 | You should have received a copy of the GNU General Public License | |
19 | along with this program; if not, write to the Free Software | |
20 | Foundation, Inc., 59 Temple Place - Suite 330, Boston, MA 02111-1307, USA. */ | |
21 | ||
22 | #include "bfd.h" | |
23 | #include "sysdep.h" | |
24 | #include "bfdlink.h" | |
25 | #include "libbfd.h" | |
26 | ||
27 | #include "vms.h" | |
28 | ||
29 | static boolean vms_initialize PARAMS ((bfd *)); | |
5f771d47 | 30 | static unsigned int priv_section_count; |
252b5132 RH |
31 | static boolean fill_section_ptr PARAMS ((struct bfd_hash_entry *, PTR)); |
32 | static boolean vms_fixup_sections PARAMS ((bfd *)); | |
33 | static boolean copy_symbols PARAMS ((struct bfd_hash_entry *, PTR)); | |
34 | static bfd_reloc_status_type reloc_nil | |
35 | PARAMS ((bfd *, arelent *, asymbol *, PTR, asection *, bfd *, char **)); | |
36 | static const struct bfd_target *vms_object_p PARAMS ((bfd *abfd)); | |
37 | static const struct bfd_target *vms_archive_p PARAMS ((bfd *abfd)); | |
38 | static boolean vms_mkobject PARAMS ((bfd *abfd)); | |
39 | static boolean vms_write_object_contents PARAMS ((bfd *abfd)); | |
40 | static boolean vms_close_and_cleanup PARAMS ((bfd *abfd)); | |
41 | static boolean vms_bfd_free_cached_info PARAMS ((bfd *abfd)); | |
42 | static boolean vms_new_section_hook PARAMS ((bfd *abfd, asection *section)); | |
43 | static boolean vms_get_section_contents | |
44 | PARAMS ((bfd *abfd, asection *section, PTR x1, file_ptr x2, | |
45 | bfd_size_type x3)); | |
46 | static boolean vms_get_section_contents_in_window | |
47 | PARAMS ((bfd *abfd, asection *section, bfd_window *w, file_ptr offset, | |
48 | bfd_size_type count)); | |
49 | static boolean vms_bfd_copy_private_bfd_data PARAMS ((bfd *src, bfd *dest)); | |
50 | static boolean vms_bfd_copy_private_section_data | |
51 | PARAMS ((bfd *srcbfd, asection *srcsec, bfd *dstbfd, asection *dstsec)); | |
52 | static boolean vms_bfd_copy_private_symbol_data | |
53 | PARAMS ((bfd *ibfd, asymbol *isym, bfd *obfd, asymbol *osym)); | |
54 | static boolean vms_bfd_print_private_bfd_data | |
55 | PARAMS ((bfd *abfd, void *file)); | |
56 | static char *vms_core_file_failing_command PARAMS ((bfd *abfd)); | |
57 | static int vms_core_file_failing_signal PARAMS ((bfd *abfd)); | |
58 | static boolean vms_core_file_matches_executable_p | |
59 | PARAMS ((bfd *abfd, bfd *bbfd)); | |
60 | static boolean vms_slurp_armap PARAMS ((bfd *abfd)); | |
61 | static boolean vms_slurp_extended_name_table PARAMS ((bfd *abfd)); | |
62 | static boolean vms_construct_extended_name_table | |
63 | PARAMS ((bfd *abfd, char **tabloc, bfd_size_type *tablen, | |
64 | const char **name)); | |
65 | static void vms_truncate_arname | |
66 | PARAMS ((bfd *abfd, CONST char *pathname, char *arhdr)); | |
67 | static boolean vms_write_armap | |
68 | PARAMS ((bfd *arch, unsigned int elength, struct orl *map, | |
69 | unsigned int orl_count, int stridx)); | |
70 | static PTR vms_read_ar_hdr PARAMS ((bfd *abfd)); | |
71 | static bfd *vms_get_elt_at_index PARAMS ((bfd *abfd, symindex index)); | |
72 | static bfd *vms_openr_next_archived_file PARAMS ((bfd *arch, bfd *prev)); | |
73 | static boolean vms_update_armap_timestamp PARAMS ((bfd *abfd)); | |
74 | static int vms_generic_stat_arch_elt PARAMS ((bfd *abfd, struct stat *stat)); | |
75 | static long vms_get_symtab_upper_bound PARAMS ((bfd *abfd)); | |
76 | static long vms_get_symtab PARAMS ((bfd *abfd, asymbol **symbols)); | |
77 | static void vms_print_symbol | |
78 | PARAMS ((bfd *abfd, PTR file, asymbol *symbol, bfd_print_symbol_type how)); | |
79 | static void vms_get_symbol_info | |
80 | PARAMS ((bfd *abfd, asymbol *symbol, symbol_info *ret)); | |
81 | static boolean vms_bfd_is_local_label_name PARAMS ((bfd *abfd, const char *)); | |
82 | static alent *vms_get_lineno PARAMS ((bfd *abfd, asymbol *symbol)); | |
83 | static boolean vms_find_nearest_line | |
84 | PARAMS ((bfd *abfd, asection *section, asymbol **symbols, bfd_vma offset, | |
85 | const char **file, const char **func, unsigned int *line)); | |
86 | static asymbol *vms_bfd_make_debug_symbol | |
87 | PARAMS ((bfd *abfd, void *ptr, unsigned long size)); | |
88 | static long vms_read_minisymbols | |
89 | PARAMS ((bfd *abfd, boolean dynamic, PTR *minisymsp, unsigned int *sizep)); | |
90 | static asymbol *vms_minisymbol_to_symbol | |
91 | PARAMS ((bfd *abfd, boolean dynamic, const PTR minisym, asymbol *sym)); | |
92 | static long vms_get_reloc_upper_bound PARAMS ((bfd *abfd, asection *sect)); | |
93 | static long vms_canonicalize_reloc | |
94 | PARAMS ((bfd *abfd, asection *srcsec, arelent **location, | |
95 | asymbol **symbols)); | |
96 | static const struct reloc_howto_struct *vms_bfd_reloc_type_lookup | |
97 | PARAMS ((bfd *abfd, bfd_reloc_code_real_type code)); | |
98 | static boolean vms_set_arch_mach | |
99 | PARAMS ((bfd *abfd, enum bfd_architecture arch, unsigned long mach)); | |
100 | static boolean vms_set_section_contents | |
101 | PARAMS ((bfd *abfd, asection *section, PTR location, file_ptr offset, | |
102 | bfd_size_type count)); | |
103 | static int vms_sizeof_headers PARAMS ((bfd *abfd, boolean reloc)); | |
104 | static bfd_byte *vms_bfd_get_relocated_section_contents | |
105 | PARAMS ((bfd *abfd, struct bfd_link_info *link_info, | |
106 | struct bfd_link_order *link_order, bfd_byte *data, | |
107 | boolean relocateable, asymbol **symbols)); | |
108 | static boolean vms_bfd_relax_section | |
109 | PARAMS ((bfd *abfd, asection *section, struct bfd_link_info *link_info, | |
110 | boolean *again)); | |
111 | static boolean vms_bfd_gc_sections | |
112 | PARAMS ((bfd *abfd, struct bfd_link_info *link_info)); | |
8550eb6e JJ |
113 | static boolean vms_bfd_merge_sections |
114 | PARAMS ((bfd *abfd, struct bfd_link_info *link_info)); | |
252b5132 RH |
115 | static struct bfd_link_hash_table *vms_bfd_link_hash_table_create |
116 | PARAMS ((bfd *abfd)); | |
117 | static boolean vms_bfd_link_add_symbols | |
118 | PARAMS ((bfd *abfd, struct bfd_link_info *link_info)); | |
119 | static boolean vms_bfd_final_link | |
120 | PARAMS ((bfd *abfd, struct bfd_link_info *link_info)); | |
121 | static boolean vms_bfd_link_split_section | |
122 | PARAMS ((bfd *abfd, asection *section)); | |
123 | static long vms_get_dynamic_symtab_upper_bound PARAMS ((bfd *abfd)); | |
124 | static long vms_canonicalize_dynamic_symtab | |
125 | PARAMS ((bfd *abfd, asymbol **symbols)); | |
126 | static long vms_get_dynamic_reloc_upper_bound PARAMS ((bfd *abfd)); | |
127 | static long vms_canonicalize_dynamic_reloc | |
128 | PARAMS ((bfd *abfd, arelent **arel, asymbol **symbols)); | |
129 | static boolean vms_bfd_merge_private_bfd_data PARAMS ((bfd *ibfd, bfd *obfd)); | |
130 | static boolean vms_bfd_set_private_flags PARAMS ((bfd *abfd, flagword flags)); | |
131 | ||
132 | #define vms_make_empty_symbol _bfd_vms_make_empty_symbol | |
133 | \f | |
134 | /*===========================================================================*/ | |
135 | ||
136 | const bfd_target vms_alpha_vec = | |
137 | { | |
252b5132 RH |
138 | "vms-alpha", /* name */ |
139 | bfd_target_evax_flavour, | |
c3c89269 NC |
140 | BFD_ENDIAN_LITTLE, /* data byte order is little */ |
141 | BFD_ENDIAN_LITTLE, /* header byte order is little */ | |
252b5132 RH |
142 | |
143 | (HAS_RELOC | HAS_SYMS | |
144 | | WP_TEXT | D_PAGED), /* object flags */ | |
145 | (SEC_ALLOC | SEC_LOAD | SEC_RELOC | |
146 | | SEC_READONLY | SEC_CODE | SEC_DATA | |
147 | | SEC_HAS_CONTENTS | SEC_IN_MEMORY), /* sect flags */ | |
148 | 0, /* symbol_leading_char */ | |
149 | ' ', /* ar_pad_char */ | |
150 | 15, /* ar_max_namelen */ | |
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 | bfd_getl64, bfd_getl_signed_64, bfd_putl64, | |
155 | bfd_getl32, bfd_getl_signed_32, bfd_putl32, | |
156 | bfd_getl16, bfd_getl_signed_16, bfd_putl16, | |
157 | ||
158 | {_bfd_dummy_target, vms_object_p, /* bfd_check_format */ | |
159 | vms_archive_p, _bfd_dummy_target}, | |
160 | {bfd_false, vms_mkobject, /* bfd_set_format */ | |
161 | _bfd_generic_mkarchive, bfd_false}, | |
162 | {bfd_false, vms_write_object_contents, /* bfd_write_contents */ | |
163 | _bfd_write_archive_contents, bfd_false}, | |
164 | ||
165 | BFD_JUMP_TABLE_GENERIC (vms), | |
166 | BFD_JUMP_TABLE_COPY (vms), | |
167 | BFD_JUMP_TABLE_CORE (vms), | |
168 | BFD_JUMP_TABLE_ARCHIVE (vms), | |
169 | BFD_JUMP_TABLE_SYMBOLS (vms), | |
170 | BFD_JUMP_TABLE_RELOCS (vms), | |
171 | BFD_JUMP_TABLE_WRITE (vms), | |
172 | BFD_JUMP_TABLE_LINK (vms), | |
173 | BFD_JUMP_TABLE_DYNAMIC (vms), | |
174 | ||
c3c89269 | 175 | NULL, |
55f2d5ed | 176 | |
252b5132 RH |
177 | (PTR) 0 |
178 | }; | |
179 | ||
180 | const bfd_target vms_vax_vec = | |
181 | { | |
252b5132 RH |
182 | "vms-vax", /* name */ |
183 | bfd_target_ovax_flavour, | |
c3c89269 NC |
184 | BFD_ENDIAN_LITTLE, /* data byte order is little */ |
185 | BFD_ENDIAN_LITTLE, /* header byte order is little */ | |
252b5132 RH |
186 | |
187 | (HAS_RELOC | HAS_SYMS /* object flags */ | |
188 | | WP_TEXT | D_PAGED | |
189 | | HAS_LINENO | HAS_DEBUG | HAS_LOCALS), | |
190 | ||
191 | (SEC_ALLOC | SEC_LOAD | SEC_RELOC | |
192 | | SEC_READONLY | SEC_CODE | SEC_DATA | |
193 | | SEC_HAS_CONTENTS | SEC_IN_MEMORY), /* sect flags */ | |
194 | 0, /* symbol_leading_char */ | |
195 | ' ', /* ar_pad_char */ | |
196 | 15, /* ar_max_namelen */ | |
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, /* data */ | |
200 | bfd_getl64, bfd_getl_signed_64, bfd_putl64, | |
201 | bfd_getl32, bfd_getl_signed_32, bfd_putl32, | |
202 | bfd_getl16, bfd_getl_signed_16, bfd_putl16, /* hdrs */ | |
203 | ||
204 | {_bfd_dummy_target, vms_object_p, /* bfd_check_format */ | |
205 | vms_archive_p, _bfd_dummy_target}, | |
206 | {bfd_false, vms_mkobject, /* bfd_set_format */ | |
207 | _bfd_generic_mkarchive, bfd_false}, | |
208 | {bfd_false, vms_write_object_contents, /* bfd_write_contents */ | |
209 | _bfd_write_archive_contents, bfd_false}, | |
210 | ||
211 | BFD_JUMP_TABLE_GENERIC (vms), | |
212 | BFD_JUMP_TABLE_COPY (vms), | |
213 | BFD_JUMP_TABLE_CORE (vms), | |
214 | BFD_JUMP_TABLE_ARCHIVE (vms), | |
215 | BFD_JUMP_TABLE_SYMBOLS (vms), | |
216 | BFD_JUMP_TABLE_RELOCS (vms), | |
217 | BFD_JUMP_TABLE_WRITE (vms), | |
218 | BFD_JUMP_TABLE_LINK (vms), | |
219 | BFD_JUMP_TABLE_DYNAMIC (vms), | |
220 | ||
c3c89269 | 221 | NULL, |
55f2d5ed | 222 | |
252b5132 RH |
223 | (PTR) 0 |
224 | }; | |
225 | \f | |
226 | /*===========================================================================*/ | |
227 | ||
228 | /* Initialize private data */ | |
229 | ||
230 | static boolean | |
231 | vms_initialize (abfd) | |
232 | bfd *abfd; | |
233 | { | |
234 | int i; | |
235 | ||
236 | if (abfd->tdata.any != 0) | |
237 | return true; | |
238 | ||
239 | bfd_set_start_address (abfd, (bfd_vma)-1); | |
240 | ||
241 | abfd->tdata.any = ((struct vms_private_data_struct*) | |
242 | bfd_malloc (sizeof (struct vms_private_data_struct))); | |
243 | if (abfd->tdata.any == 0) | |
244 | return false; | |
245 | ||
246 | #ifdef __ALPHA | |
8a0c27cd | 247 | PRIV (is_vax) = 0; |
252b5132 | 248 | #else |
8a0c27cd | 249 | PRIV (is_vax) = 1; |
252b5132 | 250 | #endif |
8a0c27cd KH |
251 | PRIV (vms_buf) = 0; |
252 | PRIV (buf_size) = 0; | |
253 | PRIV (rec_length) = 0; | |
254 | PRIV (file_format) = FF_UNKNOWN; | |
255 | PRIV (fixup_done) = false; | |
256 | PRIV (sections) = NULL; | |
257 | ||
258 | PRIV (stack) = ((struct stack_struct *) | |
252b5132 | 259 | bfd_malloc (sizeof (struct stack_struct) * STACKSIZE)); |
8a0c27cd | 260 | if (PRIV (stack) == 0) |
252b5132 RH |
261 | { |
262 | vms_init_no_mem1: | |
263 | free (abfd->tdata.any); | |
264 | abfd->tdata.any = 0; | |
265 | return false; | |
266 | } | |
8a0c27cd | 267 | PRIV (stackptr) = 0; |
252b5132 | 268 | |
8a0c27cd | 269 | PRIV (vms_symbol_table) = ((struct bfd_hash_table *) |
252b5132 | 270 | bfd_malloc (sizeof (struct bfd_hash_table))); |
8a0c27cd | 271 | if (PRIV (vms_symbol_table) == 0) |
252b5132 RH |
272 | { |
273 | vms_init_no_mem2: | |
8a0c27cd KH |
274 | free (PRIV (stack)); |
275 | PRIV (stack) = 0; | |
252b5132 RH |
276 | goto vms_init_no_mem1; |
277 | } | |
278 | ||
8a0c27cd | 279 | if (!bfd_hash_table_init (PRIV (vms_symbol_table), _bfd_vms_hash_newfunc)) |
252b5132 RH |
280 | return false; |
281 | ||
8a0c27cd | 282 | PRIV (location_stack) = ((struct location_struct *) |
252b5132 RH |
283 | bfd_malloc (sizeof (struct location_struct) |
284 | * LOCATION_SAVE_SIZE)); | |
8a0c27cd | 285 | if (PRIV (location_stack) == 0) |
252b5132 RH |
286 | { |
287 | vms_init_no_mem3: | |
8a0c27cd KH |
288 | free (PRIV (vms_symbol_table)); |
289 | PRIV (vms_symbol_table) = 0; | |
252b5132 RH |
290 | goto vms_init_no_mem2; |
291 | } | |
292 | ||
293 | for (i = 0; i < VMS_SECTION_COUNT; i++) | |
8a0c27cd | 294 | PRIV (vms_section_table)[i] = NULL; |
252b5132 | 295 | |
8a0c27cd KH |
296 | PRIV (output_buf) = (unsigned char *) malloc (MAX_OUTREC_SIZE); |
297 | if (PRIV (output_buf) == 0) | |
252b5132 | 298 | { |
8a0c27cd KH |
299 | free (PRIV (location_stack)); |
300 | PRIV (location_stack) = 0; | |
252b5132 RH |
301 | goto vms_init_no_mem3; |
302 | } | |
8a0c27cd KH |
303 | PRIV (push_level) = 0; |
304 | PRIV (pushed_size) = 0; | |
305 | PRIV (length_pos) = 2; | |
306 | PRIV (output_size) = 0; | |
307 | PRIV (output_alignment) = 1; | |
252b5132 RH |
308 | |
309 | return true; | |
310 | } | |
311 | ||
252b5132 RH |
312 | /* Fill symbol->section with section ptr |
313 | symbol->section is filled with the section index for defined symbols | |
314 | during reading the GSD/EGSD section. But we need the pointer to the | |
315 | bfd section later. | |
316 | ||
317 | It has the correct value for referenced (undefined section) symbols | |
318 | ||
319 | called from bfd_hash_traverse in vms_fixup_sections */ | |
320 | ||
321 | static boolean | |
322 | fill_section_ptr (entry, sections) | |
323 | struct bfd_hash_entry *entry; | |
324 | PTR sections; | |
325 | { | |
326 | asection *sec; | |
327 | asymbol *sym; | |
328 | ||
329 | sym = ((vms_symbol_entry *)entry)->symbol; | |
330 | sec = sym->section; | |
331 | ||
332 | #if VMS_DEBUG | |
333 | vms_debug (6, "fill_section_ptr: sym %p, sec %p\n", sym, sec); | |
334 | #endif | |
335 | ||
336 | /* fill forward references (these contain section number, not section ptr). */ | |
337 | ||
5f771d47 | 338 | if ((unsigned int) sec < priv_section_count) |
252b5132 RH |
339 | { |
340 | sec = ((vms_symbol_entry *)entry)->symbol->section = | |
341 | ((asection **)sections)[(int)sec]; | |
342 | } | |
343 | ||
344 | if (strcmp (sym->name, sec->name) == 0) | |
345 | sym->flags |= BSF_SECTION_SYM; | |
346 | ||
347 | return true; | |
348 | } | |
349 | ||
252b5132 RH |
350 | /* Fixup sections |
351 | set up all pointers and arrays, counters and sizes are fixed now | |
352 | ||
353 | we build a private sections vector for easy access since sections | |
354 | are always referenced by an index number. | |
355 | ||
356 | alloc PRIV(sections) according to abfd->section_count | |
357 | copy abfd->sections to PRIV(sections) */ | |
358 | ||
359 | static boolean | |
360 | vms_fixup_sections (abfd) | |
361 | bfd *abfd; | |
362 | { | |
8a0c27cd | 363 | if (PRIV (fixup_done)) |
252b5132 RH |
364 | return true; |
365 | ||
366 | /* | |
367 | * traverse symbol table and fill in all section pointers | |
368 | */ | |
369 | ||
370 | /* can't provide section count as argument to fill_section_ptr(). */ | |
8a0c27cd KH |
371 | priv_section_count = PRIV (section_count); |
372 | bfd_hash_traverse (PRIV (vms_symbol_table), fill_section_ptr, | |
373 | (PTR) (PRIV (sections))); | |
252b5132 | 374 | |
8a0c27cd | 375 | PRIV (fixup_done) = true; |
252b5132 RH |
376 | |
377 | return true; | |
378 | } | |
379 | ||
380 | /*===========================================================================*/ | |
381 | ||
382 | /* Check the format for a file being read. | |
383 | Return a (bfd_target *) if it's an object file or zero if not. */ | |
384 | ||
385 | static const struct bfd_target * | |
386 | vms_object_p (abfd) | |
387 | bfd *abfd; | |
388 | { | |
389 | int err = 0; | |
390 | int prev_type; | |
391 | const struct bfd_target *target_vector = 0; | |
392 | const bfd_arch_info_type *arch = 0; | |
393 | ||
394 | #if VMS_DEBUG | |
395 | vms_debug (1, "vms_object_p(%p)\n", abfd); | |
396 | #endif | |
397 | ||
398 | if (!vms_initialize (abfd)) | |
399 | { | |
400 | fprintf (stderr, "vms_initialize () failed !!\n"); | |
401 | return 0; | |
402 | } | |
403 | ||
404 | if (bfd_seek (abfd, 0L, SEEK_SET)) | |
405 | { | |
406 | bfd_set_error (bfd_error_file_truncated); | |
407 | return 0; | |
408 | } | |
409 | ||
410 | prev_type = -1; | |
411 | ||
412 | do | |
413 | { | |
414 | #if VMS_DEBUG | |
415 | vms_debug (7, "reading at %08lx\n", bfd_tell(abfd)); | |
416 | #endif | |
417 | if (_bfd_vms_next_record (abfd) < 0) | |
418 | { | |
419 | #if VMS_DEBUG | |
55f2d5ed | 420 | vms_debug (2, "next_record failed\n"); |
252b5132 RH |
421 | #endif |
422 | bfd_set_error (bfd_error_wrong_format); | |
423 | return 0; | |
424 | } | |
425 | ||
426 | if ((prev_type == EOBJ_S_C_EGSD) | |
8a0c27cd | 427 | && (PRIV (rec_type) != EOBJ_S_C_EGSD)) |
252b5132 RH |
428 | { |
429 | if (vms_fixup_sections (abfd) == false) | |
430 | { | |
431 | #if VMS_DEBUG | |
432 | vms_debug (2, "vms_fixup_sections failed\n"); | |
433 | #endif | |
434 | bfd_set_error (bfd_error_wrong_format); | |
435 | return 0; | |
436 | } | |
437 | } | |
438 | ||
8a0c27cd | 439 | prev_type = PRIV (rec_type); |
252b5132 RH |
440 | |
441 | if (target_vector == 0) | |
442 | { | |
443 | if (prev_type <= OBJ_S_C_MAXRECTYP) | |
444 | target_vector = &vms_vax_vec; | |
445 | else | |
446 | target_vector = &vms_alpha_vec; | |
447 | } | |
448 | ||
449 | switch (prev_type) | |
450 | { | |
451 | case OBJ_S_C_HDR: | |
452 | case EOBJ_S_C_EMH: | |
453 | err = _bfd_vms_slurp_hdr (abfd, prev_type); | |
454 | break; | |
455 | case OBJ_S_C_EOM: | |
456 | case OBJ_S_C_EOMW: | |
457 | case EOBJ_S_C_EEOM: | |
458 | err = _bfd_vms_slurp_eom (abfd, prev_type); | |
459 | break; | |
460 | case OBJ_S_C_GSD: | |
461 | case EOBJ_S_C_EGSD: | |
462 | err = _bfd_vms_slurp_gsd (abfd, prev_type); | |
463 | break; | |
464 | case OBJ_S_C_TIR: | |
465 | case EOBJ_S_C_ETIR: | |
466 | err = _bfd_vms_slurp_tir (abfd, prev_type); | |
467 | break; | |
468 | case OBJ_S_C_DBG: | |
469 | case EOBJ_S_C_EDBG: | |
470 | err = _bfd_vms_slurp_dbg (abfd, prev_type); | |
471 | break; | |
472 | case OBJ_S_C_TBT: | |
473 | case EOBJ_S_C_ETBT: | |
474 | err = _bfd_vms_slurp_tbt (abfd, prev_type); | |
475 | break; | |
476 | case OBJ_S_C_LNK: | |
477 | err = _bfd_vms_slurp_lnk (abfd, prev_type); | |
478 | break; | |
479 | default: | |
480 | err = -1; | |
481 | } | |
482 | if (err != 0) | |
483 | { | |
484 | #if VMS_DEBUG | |
485 | vms_debug (2, "slurp type %d failed with %d\n", prev_type, err); | |
486 | #endif | |
487 | bfd_set_error (bfd_error_wrong_format); | |
488 | return 0; | |
489 | } | |
490 | } | |
491 | while ((prev_type != EOBJ_S_C_EEOM) && (prev_type != OBJ_S_C_EOM) && (prev_type != OBJ_S_C_EOMW)); | |
492 | ||
493 | if (target_vector == &vms_vax_vec) | |
494 | { | |
495 | if (vms_fixup_sections (abfd) == false) | |
496 | { | |
497 | #if VMS_DEBUG | |
498 | vms_debug (2, "vms_fixup_sections failed\n"); | |
499 | #endif | |
500 | bfd_set_error (bfd_error_wrong_format); | |
501 | return 0; | |
502 | } | |
503 | ||
504 | /* set arch_info to vax */ | |
55f2d5ed | 505 | |
252b5132 RH |
506 | arch = bfd_scan_arch ("vax"); |
507 | PRIV (is_vax) = 1; | |
508 | #if VMS_DEBUG | |
509 | vms_debug (2, "arch is vax\n"); | |
510 | #endif | |
511 | } | |
512 | else if (target_vector == &vms_alpha_vec) | |
513 | { | |
514 | /* set arch_info to alpha */ | |
55f2d5ed | 515 | |
252b5132 RH |
516 | arch = bfd_scan_arch ("alpha"); |
517 | PRIV (is_vax) = 0; | |
518 | #if VMS_DEBUG | |
519 | vms_debug (2, "arch is alpha\n"); | |
520 | #endif | |
521 | } | |
522 | ||
523 | if (arch == 0) | |
524 | { | |
525 | #if VMS_DEBUG | |
526 | vms_debug (2, "arch not found\n"); | |
527 | #endif | |
528 | bfd_set_error (bfd_error_wrong_format); | |
529 | return 0; | |
530 | } | |
531 | abfd->arch_info = arch; | |
532 | ||
533 | return target_vector; | |
534 | } | |
535 | ||
252b5132 RH |
536 | /* Check the format for a file being read. |
537 | Return a (bfd_target *) if it's an archive file or zero. */ | |
538 | ||
539 | static const struct bfd_target * | |
540 | vms_archive_p (abfd) | |
5f771d47 | 541 | bfd *abfd ATTRIBUTE_UNUSED; |
252b5132 RH |
542 | { |
543 | #if VMS_DEBUG | |
544 | vms_debug (1, "vms_archive_p(%p)\n", abfd); | |
545 | #endif | |
546 | ||
547 | return 0; | |
548 | } | |
549 | ||
252b5132 RH |
550 | /* Set the format of a file being written. */ |
551 | ||
552 | static boolean | |
553 | vms_mkobject (abfd) | |
554 | bfd *abfd; | |
555 | { | |
556 | #if VMS_DEBUG | |
557 | vms_debug (1, "vms_mkobject(%p)\n", abfd); | |
558 | #endif | |
559 | ||
560 | if (!vms_initialize (abfd)) | |
561 | { | |
562 | fprintf (stderr, "vms_initialize () failed !!\n"); | |
563 | return 0; | |
564 | } | |
565 | ||
566 | { | |
567 | #ifdef __VAX | |
568 | const bfd_arch_info_type *arch = bfd_scan_arch ("vax"); | |
569 | #else | |
570 | const bfd_arch_info_type *arch = bfd_scan_arch ("alpha"); | |
571 | #endif | |
572 | if (arch == 0) | |
573 | { | |
574 | bfd_set_error(bfd_error_wrong_format); | |
575 | return 0; | |
576 | } | |
577 | abfd->arch_info = arch; | |
578 | } | |
579 | ||
580 | return true; | |
581 | } | |
582 | ||
252b5132 RH |
583 | /* Write cached information into a file being written, at bfd_close. */ |
584 | ||
585 | static boolean | |
586 | vms_write_object_contents (abfd) | |
587 | bfd *abfd; | |
588 | { | |
589 | #if VMS_DEBUG | |
590 | vms_debug (1, "vms_write_object_contents(%p)\n", abfd); | |
591 | #endif | |
592 | ||
593 | if (abfd->section_count > 0) /* we have sections */ | |
594 | { | |
8a0c27cd | 595 | if (PRIV (is_vax)) |
252b5132 RH |
596 | { |
597 | if (_bfd_vms_write_hdr (abfd, OBJ_S_C_HDR) != 0) | |
598 | return false; | |
599 | if (_bfd_vms_write_gsd (abfd, OBJ_S_C_GSD) != 0) | |
600 | return false; | |
601 | if (_bfd_vms_write_tir (abfd, OBJ_S_C_TIR) != 0) | |
602 | return false; | |
603 | if (_bfd_vms_write_tbt (abfd, OBJ_S_C_TBT) != 0) | |
604 | return false; | |
605 | if (_bfd_vms_write_dbg (abfd, OBJ_S_C_DBG) != 0) | |
606 | return false; | |
607 | if (abfd->section_count > 255) | |
608 | { | |
609 | if (_bfd_vms_write_eom (abfd, OBJ_S_C_EOMW) != 0) | |
610 | return false; | |
611 | } | |
612 | else | |
613 | { | |
614 | if (_bfd_vms_write_eom (abfd, OBJ_S_C_EOM) != 0) | |
615 | return false; | |
616 | } | |
617 | } | |
618 | else | |
619 | { | |
620 | if (_bfd_vms_write_hdr (abfd, EOBJ_S_C_EMH) != 0) | |
621 | return false; | |
622 | if (_bfd_vms_write_gsd (abfd, EOBJ_S_C_EGSD) != 0) | |
623 | return false; | |
624 | if (_bfd_vms_write_tir (abfd, EOBJ_S_C_ETIR) != 0) | |
625 | return false; | |
626 | if (_bfd_vms_write_tbt (abfd, EOBJ_S_C_ETBT) != 0) | |
627 | return false; | |
628 | if (_bfd_vms_write_dbg (abfd, EOBJ_S_C_EDBG) != 0) | |
629 | return false; | |
630 | if (_bfd_vms_write_eom (abfd, EOBJ_S_C_EEOM) != 0) | |
631 | return false; | |
632 | } | |
633 | } | |
634 | return true; | |
635 | } | |
636 | ||
637 | /*-- 4.1, generic -----------------------------------------------------------*/ | |
638 | ||
639 | /* Called when the BFD is being closed to do any necessary cleanup. */ | |
640 | ||
641 | static boolean | |
642 | vms_close_and_cleanup (abfd) | |
643 | bfd *abfd; | |
644 | { | |
645 | asection *sec; | |
646 | vms_section *es, *es1; | |
252b5132 RH |
647 | int i; |
648 | ||
649 | #if VMS_DEBUG | |
650 | vms_debug (1, "vms_close_and_cleanup(%p)\n", abfd); | |
651 | #endif | |
652 | if (abfd == 0) | |
653 | return true; | |
654 | ||
8a0c27cd | 655 | if (PRIV (vms_buf) != NULL) |
252b5132 | 656 | { |
8a0c27cd KH |
657 | free (PRIV (vms_buf)); |
658 | PRIV (vms_buf) = NULL; | |
252b5132 | 659 | } |
8a0c27cd | 660 | PRIV (buf_size) = 0; |
252b5132 | 661 | |
8a0c27cd | 662 | if (PRIV (output_buf) != 0) |
252b5132 | 663 | { |
8a0c27cd KH |
664 | free (PRIV (output_buf)); |
665 | PRIV (output_buf) = 0; | |
252b5132 RH |
666 | } |
667 | ||
668 | sec = abfd->sections; | |
669 | while (sec != NULL) | |
670 | { | |
671 | if (sec->contents) | |
672 | free (sec->contents); | |
673 | sec = sec->next; | |
674 | } | |
675 | ||
8a0c27cd | 676 | if (PRIV (sections) != NULL) |
252b5132 | 677 | { |
8a0c27cd KH |
678 | free (PRIV (sections)); |
679 | PRIV (sections) = NULL; | |
252b5132 RH |
680 | } |
681 | ||
8a0c27cd | 682 | if (PRIV (vms_symbol_table)) |
252b5132 | 683 | { |
8a0c27cd KH |
684 | bfd_hash_table_free (PRIV (vms_symbol_table)); |
685 | PRIV (vms_symbol_table) = 0; | |
252b5132 RH |
686 | } |
687 | ||
8a0c27cd | 688 | if (PRIV (stack)) |
252b5132 | 689 | { |
8a0c27cd KH |
690 | free (PRIV (stack)); |
691 | PRIV (stack) = 0; | |
252b5132 RH |
692 | } |
693 | ||
8a0c27cd | 694 | if (PRIV (location_stack)) |
252b5132 | 695 | { |
8a0c27cd KH |
696 | free (PRIV (location_stack)); |
697 | PRIV (location_stack) = 0; | |
252b5132 RH |
698 | } |
699 | ||
700 | for (i = 0; i < VMS_SECTION_COUNT; i++) | |
701 | { | |
8a0c27cd | 702 | es = PRIV (vms_section_table)[i]; |
252b5132 RH |
703 | while (es != NULL) |
704 | { | |
705 | es1 = es->next; | |
706 | free (es); | |
707 | es = es1; | |
708 | } | |
8a0c27cd | 709 | PRIV (vms_section_table)[i] = NULL; |
252b5132 RH |
710 | } |
711 | ||
712 | free (abfd->tdata.any); | |
713 | abfd->tdata.any = NULL; | |
714 | ||
715 | return true; | |
716 | } | |
717 | ||
252b5132 RH |
718 | /* Ask the BFD to free all cached information. */ |
719 | static boolean | |
720 | vms_bfd_free_cached_info (abfd) | |
5f771d47 | 721 | bfd *abfd ATTRIBUTE_UNUSED; |
252b5132 RH |
722 | { |
723 | #if VMS_DEBUG | |
724 | vms_debug (1, "vms_bfd_free_cached_info(%p)\n", abfd); | |
725 | #endif | |
726 | return true; | |
727 | } | |
728 | ||
252b5132 RH |
729 | /* Called when a new section is created. */ |
730 | ||
731 | static boolean | |
732 | vms_new_section_hook (abfd, section) | |
733 | bfd *abfd; | |
734 | asection *section; | |
735 | { | |
736 | #if VMS_DEBUG | |
737 | vms_debug (1, "vms_new_section_hook (%p, [%d]%s), count %d\n", abfd, section->index, section->name, abfd->section_count); | |
738 | #endif | |
739 | bfd_set_section_alignment(abfd, section, 4); | |
740 | ||
8a0c27cd | 741 | if (abfd->section_count > PRIV (section_count)) |
252b5132 | 742 | { |
8a0c27cd KH |
743 | PRIV (sections) = ((asection **) |
744 | bfd_realloc (PRIV (sections), abfd->section_count * sizeof (asection *))); | |
745 | if (PRIV (sections) == 0) | |
252b5132 | 746 | return false; |
8a0c27cd | 747 | PRIV (section_count) = abfd->section_count; |
252b5132 RH |
748 | } |
749 | #if VMS_DEBUG | |
8a0c27cd | 750 | vms_debug (6, "section_count: %d\n", PRIV (section_count)); |
252b5132 | 751 | #endif |
8a0c27cd | 752 | PRIV (sections)[section->index] = section; |
252b5132 RH |
753 | #if VMS_DEBUG |
754 | vms_debug (7, "%d: %s\n", section->index, section->name); | |
755 | #endif | |
756 | ||
757 | return true; | |
758 | } | |
759 | ||
252b5132 RH |
760 | /* Read the contents of a section. |
761 | buf points to a buffer of buf_size bytes to be filled with | |
762 | section data (starting at offset into section) */ | |
763 | ||
764 | static boolean | |
765 | vms_get_section_contents (abfd, section, buf, offset, buf_size) | |
5f771d47 ILT |
766 | bfd *abfd ATTRIBUTE_UNUSED; |
767 | asection *section ATTRIBUTE_UNUSED; | |
768 | PTR buf ATTRIBUTE_UNUSED; | |
769 | file_ptr offset ATTRIBUTE_UNUSED; | |
770 | bfd_size_type buf_size ATTRIBUTE_UNUSED; | |
252b5132 RH |
771 | { |
772 | #if VMS_DEBUG | |
773 | vms_debug (1, "vms_get_section_contents(%p, %s, %p, off %ld, size %d)\n", | |
774 | abfd, section->name, buf, offset, (int)buf_size); | |
775 | #endif | |
776 | ||
777 | /* shouldn't be called, since all sections are IN_MEMORY */ | |
778 | ||
779 | return false; | |
780 | } | |
781 | ||
782 | /* Read the contents of a section. | |
783 | buf points to a buffer of buf_size bytes to be filled with | |
784 | section data (starting at offset into section) */ | |
785 | ||
786 | static boolean | |
787 | vms_get_section_contents_in_window (abfd, section, w, offset, count) | |
5f771d47 ILT |
788 | bfd *abfd ATTRIBUTE_UNUSED; |
789 | asection *section ATTRIBUTE_UNUSED; | |
790 | bfd_window *w ATTRIBUTE_UNUSED; | |
791 | file_ptr offset ATTRIBUTE_UNUSED; | |
792 | bfd_size_type count ATTRIBUTE_UNUSED; | |
252b5132 RH |
793 | { |
794 | #if VMS_DEBUG | |
795 | vms_debug (1, "vms_get_section_contents_in_window(%p, %s, %p, off %ld, count %d)\n", | |
796 | abfd, section->name, w, offset, (int)count); | |
797 | #endif | |
798 | ||
799 | /* shouldn't be called, since all sections are IN_MEMORY */ | |
800 | ||
801 | return false; | |
802 | } | |
803 | ||
804 | /*-- Part 4.2, copy private data --------------------------------------------*/ | |
805 | ||
806 | /* Called to copy BFD general private data from one object file | |
807 | to another. */ | |
808 | ||
809 | static boolean | |
810 | vms_bfd_copy_private_bfd_data (src, dest) | |
5f771d47 ILT |
811 | bfd *src ATTRIBUTE_UNUSED; |
812 | bfd *dest ATTRIBUTE_UNUSED; | |
252b5132 RH |
813 | { |
814 | #if VMS_DEBUG | |
815 | vms_debug (1, "vms_bfd_copy_private_bfd_data(%p, %p)\n", src, dest); | |
816 | #endif | |
817 | return true; | |
818 | } | |
819 | ||
252b5132 RH |
820 | /* Merge private BFD information from the BFD @var{ibfd} to the |
821 | the output file BFD @var{obfd} when linking. Return <<true>> | |
822 | on success, <<false>> on error. Possible error returns are: | |
823 | ||
824 | o <<bfd_error_no_memory>> - | |
825 | Not enough memory exists to create private data for @var{obfd}. */ | |
826 | ||
827 | static boolean | |
828 | vms_bfd_merge_private_bfd_data (ibfd, obfd) | |
5f771d47 ILT |
829 | bfd *ibfd ATTRIBUTE_UNUSED; |
830 | bfd *obfd ATTRIBUTE_UNUSED; | |
252b5132 RH |
831 | { |
832 | #if VMS_DEBUG | |
833 | vms_debug (1,"vms_bfd_merge_private_bfd_data(%p, %p)\n", ibfd, obfd); | |
834 | #endif | |
835 | return true; | |
836 | } | |
837 | ||
252b5132 RH |
838 | /* Set private BFD flag information in the BFD @var{abfd}. |
839 | Return <<true>> on success, <<false>> on error. Possible error | |
840 | returns are: | |
841 | ||
842 | o <<bfd_error_no_memory>> - | |
843 | Not enough memory exists to create private data for @var{obfd}. */ | |
844 | ||
845 | static boolean | |
846 | vms_bfd_set_private_flags (abfd, flags) | |
5f771d47 ILT |
847 | bfd *abfd ATTRIBUTE_UNUSED; |
848 | flagword flags ATTRIBUTE_UNUSED; | |
252b5132 RH |
849 | { |
850 | #if VMS_DEBUG | |
851 | vms_debug (1,"vms_bfd_set_private_flags(%p, %lx)\n", abfd, (long)flags); | |
852 | #endif | |
853 | return true; | |
854 | } | |
855 | ||
252b5132 RH |
856 | /* Called to copy BFD private section data from one object file |
857 | to another. */ | |
858 | ||
859 | static boolean | |
860 | vms_bfd_copy_private_section_data (srcbfd, srcsec, dstbfd, dstsec) | |
5f771d47 ILT |
861 | bfd *srcbfd ATTRIBUTE_UNUSED; |
862 | asection *srcsec ATTRIBUTE_UNUSED; | |
863 | bfd *dstbfd ATTRIBUTE_UNUSED; | |
864 | asection *dstsec ATTRIBUTE_UNUSED; | |
252b5132 RH |
865 | { |
866 | #if VMS_DEBUG | |
867 | vms_debug (1, "vms_bfd_copy_private_section_data(%p, %s, %p, %s)\n", | |
868 | srcbfd, srcsec->name, dstbfd, dstsec->name); | |
869 | #endif | |
870 | return true; | |
871 | } | |
872 | ||
873 | /* Called to copy BFD private symbol data from one object file | |
874 | to another. */ | |
875 | ||
55f2d5ed | 876 | static boolean |
252b5132 | 877 | vms_bfd_copy_private_symbol_data (ibfd, isym, obfd, osym) |
5f771d47 ILT |
878 | bfd *ibfd ATTRIBUTE_UNUSED; |
879 | asymbol *isym ATTRIBUTE_UNUSED; | |
880 | bfd *obfd ATTRIBUTE_UNUSED; | |
881 | asymbol *osym ATTRIBUTE_UNUSED; | |
252b5132 RH |
882 | { |
883 | #if VMS_DEBUG | |
884 | vms_debug (1, "vms_bfd_copy_private_symbol_data(%p, %s, %p, %s)\n", | |
885 | ibfd, isym->name, obfd, osym->name); | |
886 | #endif | |
887 | return true; | |
888 | } | |
889 | ||
890 | /*-- Part 4.3, core file ----------------------------------------------------*/ | |
891 | ||
892 | /* Return a read-only string explaining which program was running | |
893 | when it failed and produced the core file abfd. */ | |
894 | ||
895 | static char * | |
896 | vms_core_file_failing_command (abfd) | |
5f771d47 | 897 | bfd *abfd ATTRIBUTE_UNUSED; |
252b5132 RH |
898 | { |
899 | #if VMS_DEBUG | |
900 | vms_debug (1, "vms_core_file_failing_command(%p)\n", abfd); | |
901 | #endif | |
902 | return 0; | |
903 | } | |
904 | ||
252b5132 RH |
905 | /* Returns the signal number which caused the core dump which |
906 | generated the file the BFD abfd is attached to. */ | |
907 | ||
908 | static int | |
909 | vms_core_file_failing_signal (abfd) | |
5f771d47 | 910 | bfd *abfd ATTRIBUTE_UNUSED; |
252b5132 RH |
911 | { |
912 | #if VMS_DEBUG | |
913 | vms_debug (1, "vms_core_file_failing_signal(%p)\n", abfd); | |
914 | #endif | |
915 | return 0; | |
916 | } | |
917 | ||
252b5132 RH |
918 | /* Return true if the core file attached to core_bfd was generated |
919 | by a run of the executable file attached to exec_bfd, false otherwise. */ | |
920 | ||
921 | static boolean | |
922 | vms_core_file_matches_executable_p (abfd, bbfd) | |
5f771d47 ILT |
923 | bfd *abfd ATTRIBUTE_UNUSED; |
924 | bfd *bbfd ATTRIBUTE_UNUSED; | |
252b5132 RH |
925 | { |
926 | #if VMS_DEBUG | |
927 | vms_debug (1, "vms_core_file_matches_executable_p(%p, %p)\n", abfd, bbfd); | |
928 | #endif | |
929 | return false; | |
930 | } | |
931 | ||
932 | /*-- Part 4.4, archive ------------------------------------------------------*/ | |
933 | ||
934 | /* ??? do something with an archive map. | |
935 | Return false on error, true otherwise. */ | |
936 | ||
937 | static boolean | |
938 | vms_slurp_armap (abfd) | |
5f771d47 | 939 | bfd *abfd ATTRIBUTE_UNUSED; |
252b5132 RH |
940 | { |
941 | #if VMS_DEBUG | |
942 | vms_debug (1, "vms_slurp_armap(%p)\n", abfd); | |
943 | #endif | |
944 | return false; | |
945 | } | |
946 | ||
252b5132 RH |
947 | /* ??? do something with an extended name table. |
948 | Return false on error, true otherwise. */ | |
949 | ||
950 | static boolean | |
951 | vms_slurp_extended_name_table (abfd) | |
5f771d47 | 952 | bfd *abfd ATTRIBUTE_UNUSED; |
252b5132 RH |
953 | { |
954 | #if VMS_DEBUG | |
955 | vms_debug (1, "vms_slurp_extended_name_table(%p)\n", abfd); | |
956 | #endif | |
957 | return false; | |
958 | } | |
959 | ||
252b5132 RH |
960 | /* ??? do something with an extended name table. |
961 | Return false on error, true otherwise. */ | |
962 | ||
963 | static boolean | |
964 | vms_construct_extended_name_table (abfd, tabloc, tablen, name) | |
5f771d47 ILT |
965 | bfd *abfd ATTRIBUTE_UNUSED; |
966 | char **tabloc ATTRIBUTE_UNUSED; | |
967 | bfd_size_type *tablen ATTRIBUTE_UNUSED; | |
968 | const char **name ATTRIBUTE_UNUSED; | |
252b5132 RH |
969 | { |
970 | #if VMS_DEBUG | |
971 | vms_debug (1, "vms_construct_extended_name_table(%p)\n", abfd); | |
972 | #endif | |
973 | return false; | |
974 | } | |
975 | ||
252b5132 RH |
976 | /* Truncate the name of an archive to match system-dependent restrictions */ |
977 | ||
978 | static void | |
979 | vms_truncate_arname (abfd, pathname, arhdr) | |
5f771d47 ILT |
980 | bfd *abfd ATTRIBUTE_UNUSED; |
981 | CONST char *pathname ATTRIBUTE_UNUSED; | |
982 | char *arhdr ATTRIBUTE_UNUSED; | |
252b5132 RH |
983 | { |
984 | #if VMS_DEBUG | |
985 | vms_debug (1, "vms_truncate_arname(%p, %s, %s)\n", abfd, pathname, arhdr); | |
986 | #endif | |
987 | return; | |
988 | } | |
989 | ||
252b5132 RH |
990 | /* ??? write archive map */ |
991 | ||
992 | static boolean | |
993 | vms_write_armap (arch, elength, map, orl_count, stridx) | |
5f771d47 ILT |
994 | bfd *arch ATTRIBUTE_UNUSED; |
995 | unsigned int elength ATTRIBUTE_UNUSED; | |
996 | struct orl *map ATTRIBUTE_UNUSED; | |
997 | unsigned int orl_count ATTRIBUTE_UNUSED; | |
998 | int stridx ATTRIBUTE_UNUSED; | |
252b5132 RH |
999 | { |
1000 | #if VMS_DEBUG | |
1001 | vms_debug (1, "vms_write_armap(%p, %d, %p, %d %d)\n", | |
1002 | arch, elength, map, orl_count, stridx); | |
1003 | #endif | |
1004 | return true; | |
1005 | } | |
1006 | ||
1007 | /* Read archive header ??? */ | |
1008 | ||
1009 | static PTR | |
1010 | vms_read_ar_hdr (abfd) | |
5f771d47 | 1011 | bfd * abfd ATTRIBUTE_UNUSED; |
252b5132 RH |
1012 | { |
1013 | #if VMS_DEBUG | |
1014 | vms_debug (1, "vms_read_ar_hdr(%p)\n", abfd); | |
1015 | #endif | |
1016 | return (PTR)0; | |
1017 | } | |
1018 | ||
252b5132 RH |
1019 | /* Provided a BFD, @var{archive}, containing an archive and NULL, open |
1020 | an input BFD on the first contained element and returns that. | |
1021 | Subsequent calls should pass the archive and the previous return value | |
1022 | to return a created BFD to the next contained element. | |
1023 | NULL is returned when there are no more. */ | |
1024 | ||
1025 | static bfd * | |
1026 | vms_openr_next_archived_file (arch, prev) | |
5f771d47 ILT |
1027 | bfd *arch ATTRIBUTE_UNUSED; |
1028 | bfd *prev ATTRIBUTE_UNUSED; | |
252b5132 RH |
1029 | { |
1030 | #if VMS_DEBUG | |
1031 | vms_debug (1, "vms_openr_next_archived_file(%p, %p)\n", arch, prev); | |
1032 | #endif | |
01fff6e2 | 1033 | return NULL; |
252b5132 RH |
1034 | } |
1035 | ||
252b5132 RH |
1036 | /* Return the BFD which is referenced by the symbol in ABFD indexed by |
1037 | INDEX. INDEX should have been returned by bfd_get_next_mapent. */ | |
1038 | ||
1039 | static bfd * | |
1040 | vms_get_elt_at_index (abfd, index) | |
1041 | bfd *abfd; | |
1042 | symindex index; | |
1043 | { | |
1044 | #if VMS_DEBUG | |
1045 | vms_debug (1, "vms_get_elt_at_index(%p, %p)\n", abfd, index); | |
1046 | #endif | |
1047 | return _bfd_generic_get_elt_at_index(abfd, index); | |
1048 | } | |
1049 | ||
252b5132 RH |
1050 | /* ??? |
1051 | -> bfd_generic_stat_arch_elt */ | |
1052 | ||
1053 | static int | |
1054 | vms_generic_stat_arch_elt (abfd, stat) | |
1055 | bfd *abfd; | |
1056 | struct stat *stat; | |
1057 | { | |
1058 | #if VMS_DEBUG | |
1059 | vms_debug (1, "vms_generic_stat_arch_elt(%p, %p)\n", abfd, stat); | |
1060 | #endif | |
1061 | return bfd_generic_stat_arch_elt(abfd, stat); | |
1062 | } | |
1063 | ||
252b5132 RH |
1064 | /* This is a new function in bfd 2.5 */ |
1065 | ||
1066 | static boolean | |
1067 | vms_update_armap_timestamp (abfd) | |
5f771d47 | 1068 | bfd *abfd ATTRIBUTE_UNUSED; |
252b5132 RH |
1069 | { |
1070 | #if VMS_DEBUG | |
1071 | vms_debug (1, "vms_update_armap_timestamp(%p)\n", abfd); | |
1072 | #endif | |
1073 | return true; | |
1074 | } | |
1075 | ||
1076 | /*-- Part 4.5, symbols --------------------------------------------------------*/ | |
1077 | ||
1078 | /* Return the number of bytes required to store a vector of pointers | |
1079 | to asymbols for all the symbols in the BFD abfd, including a | |
1080 | terminal NULL pointer. If there are no symbols in the BFD, | |
1081 | then return 0. If an error occurs, return -1. */ | |
1082 | ||
1083 | static long | |
1084 | vms_get_symtab_upper_bound (abfd) | |
1085 | bfd *abfd; | |
1086 | { | |
1087 | #if VMS_DEBUG | |
8a0c27cd | 1088 | vms_debug (1, "vms_get_symtab_upper_bound(%p), %d symbols\n", abfd, PRIV (gsd_sym_count)); |
252b5132 | 1089 | #endif |
8a0c27cd | 1090 | return (PRIV (gsd_sym_count)+1) * sizeof (asymbol *); |
252b5132 RH |
1091 | } |
1092 | ||
252b5132 RH |
1093 | /* Copy symbols from hash table to symbol vector |
1094 | ||
1095 | called from bfd_hash_traverse in vms_get_symtab | |
1096 | init counter to 0 if entry == 0 */ | |
1097 | ||
1098 | static boolean | |
1099 | copy_symbols (entry, arg) | |
1100 | struct bfd_hash_entry *entry; | |
1101 | PTR arg; | |
1102 | { | |
1103 | bfd *abfd = (bfd *) arg; | |
1104 | ||
1105 | if (entry == NULL) /* init counter */ | |
8a0c27cd | 1106 | PRIV (symnum) = 0; |
252b5132 | 1107 | else /* fill vector, inc counter */ |
8a0c27cd | 1108 | PRIV (symcache)[PRIV (symnum)++] = ((vms_symbol_entry *)entry)->symbol; |
252b5132 RH |
1109 | |
1110 | return true; | |
1111 | } | |
1112 | ||
252b5132 RH |
1113 | /* Read the symbols from the BFD abfd, and fills in the vector |
1114 | location with pointers to the symbols and a trailing NULL. | |
1115 | ||
1116 | return # of symbols read */ | |
1117 | ||
1118 | static long | |
1119 | vms_get_symtab (abfd, symbols) | |
1120 | bfd *abfd; | |
1121 | asymbol **symbols; | |
1122 | { | |
1123 | #if VMS_DEBUG | |
1124 | vms_debug (1, "vms_get_symtab(%p, <ret>)\n", abfd); | |
1125 | #endif | |
1126 | ||
1127 | /* init counter */ | |
1128 | (void)copy_symbols((struct bfd_hash_entry *)0, abfd); | |
1129 | ||
1130 | /* traverse table and fill symbols vector */ | |
1131 | ||
8a0c27cd KH |
1132 | PRIV (symcache) = symbols; |
1133 | bfd_hash_traverse(PRIV (vms_symbol_table), copy_symbols, (PTR)abfd); | |
252b5132 | 1134 | |
8a0c27cd | 1135 | symbols[PRIV (gsd_sym_count)] = NULL; |
252b5132 | 1136 | |
8a0c27cd | 1137 | return PRIV (gsd_sym_count); |
252b5132 RH |
1138 | } |
1139 | ||
252b5132 RH |
1140 | /* Create a new asymbol structure for the BFD abfd and return a pointer |
1141 | to it. | |
1142 | This routine is necessary because each back end has private information | |
1143 | surrounding the asymbol. Building your own asymbol and pointing to it | |
1144 | will not create the private information, and will cause problems later on. */ | |
1145 | ||
1146 | asymbol * | |
1147 | _bfd_vms_make_empty_symbol (abfd) | |
1148 | bfd *abfd; | |
1149 | { | |
55f2d5ed | 1150 | asymbol *symbol = (asymbol *)bfd_zalloc(abfd, sizeof (asymbol)); |
252b5132 RH |
1151 | |
1152 | #if VMS_DEBUG | |
1153 | vms_debug (1, "_bfd_vms_make_empty_symbol(%p)\n", abfd); | |
1154 | #endif | |
1155 | ||
1156 | if (symbol == 0) | |
1157 | { | |
1158 | bfd_set_error (bfd_error_no_memory); | |
1159 | return 0; | |
1160 | } | |
1161 | symbol->the_bfd = abfd; | |
1162 | ||
1163 | return symbol; | |
1164 | } | |
1165 | ||
252b5132 RH |
1166 | /* Print symbol to file according to how. how is one of |
1167 | bfd_print_symbol_name just print the name | |
1168 | bfd_print_symbol_more print more (???) | |
1169 | bfd_print_symbol_all print all we know, which is not much right now :-) */ | |
1170 | ||
1171 | static void | |
1172 | vms_print_symbol (abfd, file, symbol, how) | |
60b89a18 | 1173 | bfd *abfd; |
252b5132 RH |
1174 | PTR file; |
1175 | asymbol *symbol; | |
1176 | bfd_print_symbol_type how; | |
1177 | { | |
1178 | #if VMS_DEBUG | |
1179 | vms_debug (1, "vms_print_symbol(%p, %p, %p, %d)\n", abfd, file, symbol, how); | |
1180 | #endif | |
1181 | ||
1182 | switch (how) | |
1183 | { | |
1184 | case bfd_print_symbol_name: | |
1185 | case bfd_print_symbol_more: | |
55f2d5ed | 1186 | fprintf ((FILE *)file," %s", symbol->name); |
252b5132 RH |
1187 | break; |
1188 | ||
252b5132 RH |
1189 | case bfd_print_symbol_all: |
1190 | { | |
1191 | CONST char *section_name = symbol->section->name; | |
1192 | ||
60b89a18 | 1193 | bfd_print_symbol_vandf (abfd, (PTR)file, symbol); |
252b5132 | 1194 | |
55f2d5ed | 1195 | fprintf ((FILE *)file," %-8s %s", section_name, symbol->name); |
252b5132 RH |
1196 | } |
1197 | break; | |
1198 | } | |
1199 | return; | |
1200 | } | |
1201 | ||
252b5132 RH |
1202 | /* Return information about symbol in ret. |
1203 | ||
1204 | fill type, value and name | |
1205 | type: | |
1206 | A absolute | |
1207 | B bss segment symbol | |
1208 | C common symbol | |
1209 | D data segment symbol | |
1210 | f filename | |
1211 | t a static function symbol | |
1212 | T text segment symbol | |
1213 | U undefined | |
1214 | - debug */ | |
1215 | ||
1216 | static void | |
1217 | vms_get_symbol_info (abfd, symbol, ret) | |
5f771d47 | 1218 | bfd *abfd ATTRIBUTE_UNUSED; |
252b5132 RH |
1219 | asymbol *symbol; |
1220 | symbol_info *ret; | |
1221 | { | |
1222 | asection *sec; | |
1223 | ||
1224 | #if VMS_DEBUG | |
1225 | vms_debug (1, "vms_get_symbol_info(%p, %p, %p)\n", abfd, symbol, ret); | |
1226 | #endif | |
1227 | ||
1228 | sec = symbol->section; | |
1229 | ||
1230 | if (ret == 0) | |
1231 | return; | |
1232 | ||
1233 | if (bfd_is_com_section (sec)) | |
1234 | ret->type = 'C'; | |
1235 | else if (bfd_is_abs_section (sec)) | |
1236 | ret->type = 'A'; | |
1237 | else if (bfd_is_und_section (sec)) | |
1238 | ret->type = 'U'; | |
1239 | else if (bfd_is_ind_section (sec)) | |
1240 | ret->type = 'I'; | |
1241 | else if (bfd_get_section_flags (abfd, sec) & SEC_CODE) | |
1242 | ret->type = 'T'; | |
1243 | else if (bfd_get_section_flags (abfd, sec) & SEC_DATA) | |
1244 | ret->type = 'D'; | |
1245 | else if (bfd_get_section_flags (abfd, sec) & SEC_ALLOC) | |
1246 | ret->type = 'B'; | |
1247 | else | |
1248 | ret->type = '-'; | |
1249 | ||
1250 | if (ret->type != 'U') | |
1251 | ret->value = symbol->value + symbol->section->vma; | |
1252 | else | |
1253 | ret->value = 0; | |
1254 | ret->name = symbol->name; | |
1255 | ||
1256 | return; | |
1257 | } | |
1258 | ||
252b5132 RH |
1259 | /* Return true if the given symbol sym in the BFD abfd is |
1260 | a compiler generated local label, else return false. */ | |
1261 | ||
1262 | static boolean | |
1263 | vms_bfd_is_local_label_name (abfd, name) | |
5f771d47 | 1264 | bfd *abfd ATTRIBUTE_UNUSED; |
252b5132 RH |
1265 | const char *name; |
1266 | { | |
1267 | #if VMS_DEBUG | |
1268 | vms_debug (1, "vms_bfd_is_local_label_name(%p, %s)\n", abfd, name); | |
1269 | #endif | |
1270 | return name[0] == '$'; | |
1271 | } | |
1272 | ||
252b5132 RH |
1273 | /* Get source line number for symbol */ |
1274 | ||
1275 | static alent * | |
1276 | vms_get_lineno (abfd, symbol) | |
5f771d47 ILT |
1277 | bfd *abfd ATTRIBUTE_UNUSED; |
1278 | asymbol *symbol ATTRIBUTE_UNUSED; | |
252b5132 RH |
1279 | { |
1280 | #if VMS_DEBUG | |
1281 | vms_debug (1, "vms_get_lineno(%p, %p)\n", abfd, symbol); | |
1282 | #endif | |
1283 | return 0; | |
1284 | } | |
1285 | ||
252b5132 RH |
1286 | /* Provided a BFD, a section and an offset into the section, calculate and |
1287 | return the name of the source file and the line nearest to the wanted | |
1288 | location. */ | |
1289 | ||
1290 | static boolean | |
1291 | vms_find_nearest_line (abfd, section, symbols, offset, file, func, line) | |
5f771d47 ILT |
1292 | bfd *abfd ATTRIBUTE_UNUSED; |
1293 | asection *section ATTRIBUTE_UNUSED; | |
1294 | asymbol **symbols ATTRIBUTE_UNUSED; | |
1295 | bfd_vma offset ATTRIBUTE_UNUSED; | |
1296 | CONST char **file ATTRIBUTE_UNUSED; | |
1297 | CONST char **func ATTRIBUTE_UNUSED; | |
1298 | unsigned int *line ATTRIBUTE_UNUSED; | |
252b5132 RH |
1299 | { |
1300 | #if VMS_DEBUG | |
1301 | vms_debug (1, "vms_find_nearest_line(%p, %s, %p, %ld, <ret>, <ret>, <ret>)\n", | |
1302 | abfd, section->name, symbols, (long int)offset); | |
1303 | #endif | |
1304 | return false; | |
1305 | } | |
1306 | ||
252b5132 RH |
1307 | /* Back-door to allow format-aware applications to create debug symbols |
1308 | while using BFD for everything else. Currently used by the assembler | |
1309 | when creating COFF files. */ | |
1310 | ||
1311 | static asymbol * | |
1312 | vms_bfd_make_debug_symbol (abfd, ptr, size) | |
5f771d47 ILT |
1313 | bfd *abfd ATTRIBUTE_UNUSED; |
1314 | void *ptr ATTRIBUTE_UNUSED; | |
1315 | unsigned long size ATTRIBUTE_UNUSED; | |
252b5132 RH |
1316 | { |
1317 | #if VMS_DEBUG | |
1318 | vms_debug (1, "vms_bfd_make_debug_symbol(%p, %p, %ld)\n", abfd, ptr, size); | |
1319 | #endif | |
1320 | return 0; | |
1321 | } | |
1322 | ||
252b5132 RH |
1323 | /* Read minisymbols. For minisymbols, we use the unmodified a.out |
1324 | symbols. The minisymbol_to_symbol function translates these into | |
1325 | BFD asymbol structures. */ | |
1326 | ||
1327 | static long | |
1328 | vms_read_minisymbols (abfd, dynamic, minisymsp, sizep) | |
1329 | bfd *abfd; | |
1330 | boolean dynamic; | |
1331 | PTR *minisymsp; | |
1332 | unsigned int *sizep; | |
1333 | { | |
1334 | #if VMS_DEBUG | |
1335 | vms_debug (1, "vms_read_minisymbols(%p, %d, %p, %d)\n", abfd, dynamic, minisymsp, *sizep); | |
1336 | #endif | |
1337 | return _bfd_generic_read_minisymbols (abfd, dynamic, minisymsp, sizep); | |
1338 | } | |
1339 | ||
1340 | /* Convert a minisymbol to a BFD asymbol. A minisymbol is just an | |
1341 | unmodified a.out symbol. The SYM argument is a structure returned | |
1342 | by bfd_make_empty_symbol, which we fill in here. */ | |
1343 | ||
1344 | static asymbol * | |
1345 | vms_minisymbol_to_symbol (abfd, dynamic, minisym, sym) | |
1346 | bfd *abfd; | |
1347 | boolean dynamic; | |
1348 | const PTR minisym; | |
1349 | asymbol *sym; | |
1350 | { | |
1351 | #if VMS_DEBUG | |
1352 | vms_debug (1, "vms_minisymbol_to_symbol(%p, %d, %p, %p)\n", abfd, dynamic, minisym, sym); | |
1353 | #endif | |
1354 | return _bfd_generic_minisymbol_to_symbol (abfd, dynamic, minisym, sym); | |
1355 | } | |
1356 | ||
1357 | /*-- Part 4.6, relocations --------------------------------------------------*/ | |
1358 | ||
1359 | /* Return the number of bytes required to store the relocation information | |
1360 | associated with section sect attached to bfd abfd. | |
1361 | If an error occurs, return -1. */ | |
1362 | ||
1363 | static long | |
1364 | vms_get_reloc_upper_bound (abfd, section) | |
5f771d47 ILT |
1365 | bfd *abfd ATTRIBUTE_UNUSED; |
1366 | asection *section ATTRIBUTE_UNUSED; | |
252b5132 RH |
1367 | { |
1368 | #if VMS_DEBUG | |
1369 | vms_debug (1, "vms_get_reloc_upper_bound(%p, %s)\n", abfd, section->name); | |
1370 | #endif | |
1371 | return -1L; | |
1372 | } | |
1373 | ||
252b5132 RH |
1374 | /* Call the back end associated with the open BFD abfd and translate the |
1375 | external form of the relocation information attached to sec into the | |
1376 | internal canonical form. Place the table into memory at loc, which has | |
1377 | been preallocated, usually by a call to bfd_get_reloc_upper_bound. | |
1378 | Returns the number of relocs, or -1 on error. */ | |
1379 | ||
1380 | static long | |
1381 | vms_canonicalize_reloc (abfd, section, location, symbols) | |
5f771d47 ILT |
1382 | bfd *abfd ATTRIBUTE_UNUSED; |
1383 | asection *section ATTRIBUTE_UNUSED; | |
1384 | arelent **location ATTRIBUTE_UNUSED; | |
1385 | asymbol **symbols ATTRIBUTE_UNUSED; | |
252b5132 RH |
1386 | { |
1387 | #if VMS_DEBUG | |
1388 | vms_debug (1, "vms_canonicalize_reloc(%p, %s, <ret>, <ret>)\n", abfd, section->name); | |
1389 | #endif | |
1390 | return false; | |
1391 | } | |
1392 | ||
1393 | /*---------------------------------------------------------------------------*/ | |
1394 | /* this is just copied from ecoff-alpha, needs to be fixed probably */ | |
1395 | ||
1396 | /* How to process the various reloc types. */ | |
1397 | ||
1398 | static bfd_reloc_status_type | |
1399 | reloc_nil (abfd, reloc, sym, data, sec, output_bfd, error_message) | |
5f771d47 ILT |
1400 | bfd *abfd ATTRIBUTE_UNUSED; |
1401 | arelent *reloc ATTRIBUTE_UNUSED; | |
1402 | asymbol *sym ATTRIBUTE_UNUSED; | |
1403 | PTR data ATTRIBUTE_UNUSED; | |
1404 | asection *sec ATTRIBUTE_UNUSED; | |
1405 | bfd *output_bfd ATTRIBUTE_UNUSED; | |
1406 | char **error_message ATTRIBUTE_UNUSED; | |
252b5132 RH |
1407 | { |
1408 | #if VMS_DEBUG | |
1409 | vms_debug (1, "reloc_nil(abfd %p, output_bfd %p)\n", abfd, output_bfd); | |
1410 | vms_debug (2, "In section %s, symbol %s\n", | |
1411 | sec->name, sym->name); | |
1412 | vms_debug (2, "reloc sym %s, addr %08lx, addend %08lx, reloc is a %s\n", | |
1413 | reloc->sym_ptr_ptr[0]->name, | |
1414 | (unsigned long)reloc->address, | |
1415 | (unsigned long)reloc->addend, reloc->howto->name); | |
1416 | vms_debug (2, "data at %p\n", data); | |
1417 | /* _bfd_hexdump (2, data, bfd_get_reloc_size(reloc->howto),0); */ | |
1418 | #endif | |
1419 | ||
1420 | return bfd_reloc_ok; | |
1421 | } | |
1422 | ||
1423 | /* In case we're on a 32-bit machine, construct a 64-bit "-1" value | |
1424 | from smaller values. Start with zero, widen, *then* decrement. */ | |
1425 | #define MINUS_ONE (((bfd_vma)0) - 1) | |
1426 | ||
1427 | static reloc_howto_type alpha_howto_table[] = | |
1428 | { | |
1429 | HOWTO (ALPHA_R_IGNORE, /* type */ | |
1430 | 0, /* rightshift */ | |
1431 | 0, /* size (0 = byte, 1 = short, 2 = long) */ | |
1432 | 8, /* bitsize */ | |
1433 | true, /* pc_relative */ | |
1434 | 0, /* bitpos */ | |
1435 | complain_overflow_dont, /* complain_on_overflow */ | |
1436 | reloc_nil, /* special_function */ | |
1437 | "IGNORE", /* name */ | |
1438 | true, /* partial_inplace */ | |
1439 | 0, /* src_mask */ | |
1440 | 0, /* dst_mask */ | |
1441 | true), /* pcrel_offset */ | |
1442 | ||
1443 | /* A 64 bit reference to a symbol. */ | |
1444 | HOWTO (ALPHA_R_REFQUAD, /* type */ | |
1445 | 0, /* rightshift */ | |
1446 | 4, /* size (0 = byte, 1 = short, 2 = long) */ | |
1447 | 64, /* bitsize */ | |
1448 | false, /* pc_relative */ | |
1449 | 0, /* bitpos */ | |
1450 | complain_overflow_bitfield, /* complain_on_overflow */ | |
1451 | reloc_nil, /* special_function */ | |
1452 | "REFQUAD", /* name */ | |
1453 | true, /* partial_inplace */ | |
1454 | MINUS_ONE, /* src_mask */ | |
1455 | MINUS_ONE, /* dst_mask */ | |
1456 | false), /* pcrel_offset */ | |
1457 | ||
1458 | /* A 21 bit branch. The native assembler generates these for | |
1459 | branches within the text segment, and also fills in the PC | |
1460 | relative offset in the instruction. */ | |
1461 | HOWTO (ALPHA_R_BRADDR, /* type */ | |
1462 | 2, /* rightshift */ | |
1463 | 2, /* size (0 = byte, 1 = short, 2 = long) */ | |
1464 | 21, /* bitsize */ | |
1465 | true, /* pc_relative */ | |
1466 | 0, /* bitpos */ | |
1467 | complain_overflow_signed, /* complain_on_overflow */ | |
1468 | reloc_nil, /* special_function */ | |
1469 | "BRADDR", /* name */ | |
1470 | true, /* partial_inplace */ | |
1471 | 0x1fffff, /* src_mask */ | |
1472 | 0x1fffff, /* dst_mask */ | |
1473 | false), /* pcrel_offset */ | |
1474 | ||
1475 | /* A hint for a jump to a register. */ | |
1476 | HOWTO (ALPHA_R_HINT, /* type */ | |
1477 | 2, /* rightshift */ | |
1478 | 1, /* size (0 = byte, 1 = short, 2 = long) */ | |
1479 | 14, /* bitsize */ | |
1480 | true, /* pc_relative */ | |
1481 | 0, /* bitpos */ | |
1482 | complain_overflow_dont, /* complain_on_overflow */ | |
1483 | reloc_nil, /* special_function */ | |
1484 | "HINT", /* name */ | |
1485 | true, /* partial_inplace */ | |
1486 | 0x3fff, /* src_mask */ | |
1487 | 0x3fff, /* dst_mask */ | |
1488 | false), /* pcrel_offset */ | |
1489 | ||
1490 | /* 16 bit PC relative offset. */ | |
1491 | HOWTO (ALPHA_R_SREL16, /* type */ | |
1492 | 0, /* rightshift */ | |
1493 | 1, /* size (0 = byte, 1 = short, 2 = long) */ | |
1494 | 16, /* bitsize */ | |
1495 | true, /* pc_relative */ | |
1496 | 0, /* bitpos */ | |
1497 | complain_overflow_signed, /* complain_on_overflow */ | |
1498 | reloc_nil, /* special_function */ | |
1499 | "SREL16", /* name */ | |
1500 | true, /* partial_inplace */ | |
1501 | 0xffff, /* src_mask */ | |
1502 | 0xffff, /* dst_mask */ | |
1503 | false), /* pcrel_offset */ | |
1504 | ||
1505 | /* 32 bit PC relative offset. */ | |
1506 | HOWTO (ALPHA_R_SREL32, /* type */ | |
1507 | 0, /* rightshift */ | |
1508 | 2, /* size (0 = byte, 1 = short, 2 = long) */ | |
1509 | 32, /* bitsize */ | |
1510 | true, /* pc_relative */ | |
1511 | 0, /* bitpos */ | |
1512 | complain_overflow_signed, /* complain_on_overflow */ | |
1513 | reloc_nil, /* special_function */ | |
1514 | "SREL32", /* name */ | |
1515 | true, /* partial_inplace */ | |
1516 | 0xffffffff, /* src_mask */ | |
1517 | 0xffffffff, /* dst_mask */ | |
1518 | false), /* pcrel_offset */ | |
1519 | ||
1520 | /* A 64 bit PC relative offset. */ | |
1521 | HOWTO (ALPHA_R_SREL64, /* type */ | |
1522 | 0, /* rightshift */ | |
1523 | 4, /* size (0 = byte, 1 = short, 2 = long) */ | |
1524 | 64, /* bitsize */ | |
1525 | true, /* pc_relative */ | |
1526 | 0, /* bitpos */ | |
1527 | complain_overflow_signed, /* complain_on_overflow */ | |
1528 | reloc_nil, /* special_function */ | |
1529 | "SREL64", /* name */ | |
1530 | true, /* partial_inplace */ | |
1531 | MINUS_ONE, /* src_mask */ | |
1532 | MINUS_ONE, /* dst_mask */ | |
1533 | false), /* pcrel_offset */ | |
1534 | ||
1535 | /* Push a value on the reloc evaluation stack. */ | |
1536 | HOWTO (ALPHA_R_OP_PUSH, /* type */ | |
1537 | 0, /* rightshift */ | |
1538 | 0, /* size (0 = byte, 1 = short, 2 = long) */ | |
1539 | 0, /* bitsize */ | |
1540 | false, /* pc_relative */ | |
1541 | 0, /* bitpos */ | |
1542 | complain_overflow_dont, /* complain_on_overflow */ | |
1543 | reloc_nil, /* special_function */ | |
1544 | "OP_PUSH", /* name */ | |
1545 | false, /* partial_inplace */ | |
1546 | 0, /* src_mask */ | |
1547 | 0, /* dst_mask */ | |
1548 | false), /* pcrel_offset */ | |
1549 | ||
1550 | /* Store the value from the stack at the given address. Store it in | |
1551 | a bitfield of size r_size starting at bit position r_offset. */ | |
1552 | HOWTO (ALPHA_R_OP_STORE, /* type */ | |
1553 | 0, /* rightshift */ | |
1554 | 4, /* size (0 = byte, 1 = short, 2 = long) */ | |
1555 | 64, /* bitsize */ | |
1556 | false, /* pc_relative */ | |
1557 | 0, /* bitpos */ | |
1558 | complain_overflow_dont, /* complain_on_overflow */ | |
1559 | reloc_nil, /* special_function */ | |
1560 | "OP_STORE", /* name */ | |
1561 | false, /* partial_inplace */ | |
1562 | 0, /* src_mask */ | |
1563 | MINUS_ONE, /* dst_mask */ | |
1564 | false), /* pcrel_offset */ | |
1565 | ||
1566 | /* Subtract the reloc address from the value on the top of the | |
1567 | relocation stack. */ | |
1568 | HOWTO (ALPHA_R_OP_PSUB, /* type */ | |
1569 | 0, /* rightshift */ | |
1570 | 0, /* size (0 = byte, 1 = short, 2 = long) */ | |
1571 | 0, /* bitsize */ | |
1572 | false, /* pc_relative */ | |
1573 | 0, /* bitpos */ | |
1574 | complain_overflow_dont, /* complain_on_overflow */ | |
1575 | reloc_nil, /* special_function */ | |
1576 | "OP_PSUB", /* name */ | |
1577 | false, /* partial_inplace */ | |
1578 | 0, /* src_mask */ | |
1579 | 0, /* dst_mask */ | |
1580 | false), /* pcrel_offset */ | |
1581 | ||
1582 | /* Shift the value on the top of the relocation stack right by the | |
1583 | given value. */ | |
1584 | HOWTO (ALPHA_R_OP_PRSHIFT, /* type */ | |
1585 | 0, /* rightshift */ | |
1586 | 0, /* size (0 = byte, 1 = short, 2 = long) */ | |
1587 | 0, /* bitsize */ | |
1588 | false, /* pc_relative */ | |
1589 | 0, /* bitpos */ | |
1590 | complain_overflow_dont, /* complain_on_overflow */ | |
1591 | reloc_nil, /* special_function */ | |
1592 | "OP_PRSHIFT", /* name */ | |
1593 | false, /* partial_inplace */ | |
1594 | 0, /* src_mask */ | |
1595 | 0, /* dst_mask */ | |
1596 | false), /* pcrel_offset */ | |
1597 | ||
1598 | /* Hack. Linkage is done by linker. */ | |
1599 | HOWTO (ALPHA_R_LINKAGE, /* type */ | |
1600 | 0, /* rightshift */ | |
1601 | 8, /* size (0 = byte, 1 = short, 2 = long) */ | |
1602 | 256, /* bitsize */ | |
1603 | false, /* pc_relative */ | |
1604 | 0, /* bitpos */ | |
1605 | complain_overflow_dont, /* complain_on_overflow */ | |
1606 | reloc_nil, /* special_function */ | |
1607 | "LINKAGE", /* name */ | |
1608 | false, /* partial_inplace */ | |
1609 | 0, /* src_mask */ | |
1610 | 0, /* dst_mask */ | |
1611 | false), /* pcrel_offset */ | |
1612 | ||
1613 | /* A 32 bit reference to a symbol. */ | |
1614 | HOWTO (ALPHA_R_REFLONG, /* type */ | |
1615 | 0, /* rightshift */ | |
1616 | 2, /* size (0 = byte, 1 = short, 2 = long) */ | |
1617 | 32, /* bitsize */ | |
1618 | false, /* pc_relative */ | |
1619 | 0, /* bitpos */ | |
1620 | complain_overflow_bitfield, /* complain_on_overflow */ | |
1621 | reloc_nil, /* special_function */ | |
1622 | "REFLONG", /* name */ | |
1623 | true, /* partial_inplace */ | |
1624 | 0xffffffff, /* src_mask */ | |
1625 | 0xffffffff, /* dst_mask */ | |
1626 | false), /* pcrel_offset */ | |
1627 | ||
1628 | /* A 64 bit reference to a procedure, written as 32 bit value. */ | |
1629 | HOWTO (ALPHA_R_CODEADDR, /* type */ | |
1630 | 0, /* rightshift */ | |
1631 | 4, /* size (0 = byte, 1 = short, 2 = long) */ | |
1632 | 64, /* bitsize */ | |
1633 | false, /* pc_relative */ | |
1634 | 0, /* bitpos */ | |
1635 | complain_overflow_signed,/* complain_on_overflow */ | |
1636 | reloc_nil, /* special_function */ | |
1637 | "CODEADDR", /* name */ | |
1638 | false, /* partial_inplace */ | |
1639 | 0xffffffff, /* src_mask */ | |
1640 | 0xffffffff, /* dst_mask */ | |
1641 | false), /* pcrel_offset */ | |
1642 | ||
1643 | }; | |
1644 | ||
1645 | /* Return a pointer to a howto structure which, when invoked, will perform | |
1646 | the relocation code on data from the architecture noted. */ | |
1647 | ||
1648 | static const struct reloc_howto_struct * | |
1649 | vms_bfd_reloc_type_lookup (abfd, code) | |
5f771d47 | 1650 | bfd *abfd ATTRIBUTE_UNUSED; |
252b5132 RH |
1651 | bfd_reloc_code_real_type code; |
1652 | { | |
1653 | int alpha_type; | |
1654 | ||
1655 | #if VMS_DEBUG | |
1656 | vms_debug (1, "vms_bfd_reloc_type_lookup(%p, %d)\t", abfd, code); | |
1657 | #endif | |
1658 | ||
1659 | switch (code) | |
1660 | { | |
1661 | case BFD_RELOC_16: alpha_type = ALPHA_R_SREL16; break; | |
1662 | case BFD_RELOC_32: alpha_type = ALPHA_R_REFLONG; break; | |
1663 | case BFD_RELOC_64: alpha_type = ALPHA_R_REFQUAD; break; | |
1664 | case BFD_RELOC_CTOR: alpha_type = ALPHA_R_REFQUAD; break; | |
1665 | case BFD_RELOC_23_PCREL_S2: alpha_type = ALPHA_R_BRADDR; break; | |
1666 | case BFD_RELOC_ALPHA_HINT: alpha_type = ALPHA_R_HINT; break; | |
1667 | case BFD_RELOC_16_PCREL: alpha_type = ALPHA_R_SREL16; break; | |
1668 | case BFD_RELOC_32_PCREL: alpha_type = ALPHA_R_SREL32; break; | |
1669 | case BFD_RELOC_64_PCREL: alpha_type = ALPHA_R_SREL64; break; | |
1670 | case BFD_RELOC_ALPHA_LINKAGE: alpha_type = ALPHA_R_LINKAGE; break; | |
1671 | case BFD_RELOC_ALPHA_CODEADDR: alpha_type = ALPHA_R_CODEADDR; break; | |
1672 | default: | |
1673 | (*_bfd_error_handler) ("reloc (%d) is *UNKNOWN*", code); | |
1674 | return (const struct reloc_howto_struct *) NULL; | |
1675 | } | |
1676 | #if VMS_DEBUG | |
1677 | vms_debug (2, "reloc is %s\n", alpha_howto_table[alpha_type].name); | |
1678 | #endif | |
1679 | return &alpha_howto_table[alpha_type]; | |
1680 | } | |
1681 | ||
252b5132 RH |
1682 | /*-- Part 4.7, writing an object file ---------------------------------------*/ |
1683 | ||
1684 | /* Set the architecture and machine type in BFD abfd to arch and mach. | |
1685 | Find the correct pointer to a structure and insert it into the arch_info | |
1686 | pointer. */ | |
1687 | ||
1688 | static boolean | |
1689 | vms_set_arch_mach (abfd, arch, mach) | |
1690 | bfd *abfd; | |
5f771d47 ILT |
1691 | enum bfd_architecture arch ATTRIBUTE_UNUSED; |
1692 | unsigned long mach ATTRIBUTE_UNUSED; | |
252b5132 RH |
1693 | { |
1694 | #if VMS_DEBUG | |
1695 | vms_debug (1, "vms_set_arch_mach(%p, %d, %ld)\n", abfd, arch, mach); | |
1696 | #endif | |
1697 | abfd->arch_info = bfd_scan_arch("alpha"); | |
1698 | ||
1699 | return true; | |
1700 | } | |
1701 | ||
252b5132 RH |
1702 | /* Sets the contents of the section section in BFD abfd to the data starting |
1703 | in memory at data. The data is written to the output section starting at | |
1704 | offset offset for count bytes. | |
1705 | ||
1706 | Normally true is returned, else false. Possible error returns are: | |
1707 | o bfd_error_no_contents - The output section does not have the | |
1708 | SEC_HAS_CONTENTS attribute, so nothing can be written to it. | |
1709 | o and some more too */ | |
1710 | ||
1711 | static boolean | |
1712 | vms_set_section_contents (abfd, section, location, offset, count) | |
1713 | bfd *abfd; | |
1714 | asection *section; | |
1715 | PTR location; | |
1716 | file_ptr offset; | |
1717 | bfd_size_type count; | |
1718 | { | |
1719 | #if VMS_DEBUG | |
1720 | vms_debug (1, "vms_set_section_contents(%p, sec %s, loc %p, off %ld, count %d)\n", | |
1721 | abfd, section->name, location, (long int)offset, (int)count); | |
1722 | vms_debug (2, "secraw %d, seccooked %d\n", (int)section->_raw_size, (int)section->_cooked_size); | |
1723 | #endif | |
1724 | return _bfd_save_vms_section(abfd, section, location, offset, count); | |
1725 | } | |
1726 | ||
252b5132 RH |
1727 | /*-- Part 4.8, linker -------------------------------------------------------*/ |
1728 | ||
1729 | /* Get the size of the section headers. */ | |
1730 | ||
1731 | static int | |
1732 | vms_sizeof_headers (abfd, reloc) | |
5f771d47 ILT |
1733 | bfd *abfd ATTRIBUTE_UNUSED; |
1734 | boolean reloc ATTRIBUTE_UNUSED; | |
252b5132 RH |
1735 | { |
1736 | #if VMS_DEBUG | |
1737 | vms_debug (1, "vms_sizeof_headers(%p, %s)\n", abfd, (reloc)?"True":"False"); | |
1738 | #endif | |
1739 | return 0; | |
1740 | } | |
1741 | ||
252b5132 RH |
1742 | /* Provides default handling of relocation effort for back ends |
1743 | which can't be bothered to do it efficiently. */ | |
1744 | ||
1745 | static bfd_byte * | |
1746 | vms_bfd_get_relocated_section_contents (abfd, link_info, link_order, data, | |
1747 | relocateable, symbols) | |
5f771d47 ILT |
1748 | bfd *abfd ATTRIBUTE_UNUSED; |
1749 | struct bfd_link_info *link_info ATTRIBUTE_UNUSED; | |
1750 | struct bfd_link_order *link_order ATTRIBUTE_UNUSED; | |
1751 | bfd_byte *data ATTRIBUTE_UNUSED; | |
1752 | boolean relocateable ATTRIBUTE_UNUSED; | |
1753 | asymbol **symbols ATTRIBUTE_UNUSED; | |
252b5132 RH |
1754 | { |
1755 | #if VMS_DEBUG | |
1756 | vms_debug (1, "vms_bfd_get_relocated_section_contents(%p, %p, %p, %p, %s, %p)\n", | |
1757 | abfd, link_info, link_order, data, (relocateable)?"True":"False", symbols); | |
1758 | #endif | |
1759 | return 0; | |
1760 | } | |
1761 | ||
252b5132 RH |
1762 | /* ??? */ |
1763 | ||
1764 | static boolean | |
1765 | vms_bfd_relax_section (abfd, section, link_info, again) | |
5f771d47 ILT |
1766 | bfd *abfd ATTRIBUTE_UNUSED; |
1767 | asection *section ATTRIBUTE_UNUSED; | |
1768 | struct bfd_link_info *link_info ATTRIBUTE_UNUSED; | |
1769 | boolean *again ATTRIBUTE_UNUSED; | |
252b5132 RH |
1770 | { |
1771 | #if VMS_DEBUG | |
1772 | vms_debug (1, "vms_bfd_relax_section(%p, %s, %p, <ret>)\n", | |
1773 | abfd, section->name, link_info); | |
1774 | #endif | |
1775 | return true; | |
1776 | } | |
1777 | ||
1778 | static boolean | |
1779 | vms_bfd_gc_sections (abfd, link_info) | |
5f771d47 ILT |
1780 | bfd *abfd ATTRIBUTE_UNUSED; |
1781 | struct bfd_link_info *link_info ATTRIBUTE_UNUSED; | |
252b5132 RH |
1782 | { |
1783 | #if VMS_DEBUG | |
1784 | vms_debug (1, "vms_bfd_gc_sections(%p, %p)\n", abfd, link_info); | |
1785 | #endif | |
1786 | return true; | |
1787 | } | |
1788 | ||
8550eb6e JJ |
1789 | static boolean |
1790 | vms_bfd_merge_sections (abfd, link_info) | |
1791 | bfd *abfd ATTRIBUTE_UNUSED; | |
1792 | struct bfd_link_info *link_info ATTRIBUTE_UNUSED; | |
1793 | { | |
1794 | #if VMS_DEBUG | |
1795 | vms_debug (1, "vms_bfd_merge_sections(%p, %p)\n", abfd, link_info); | |
1796 | #endif | |
1797 | return true; | |
1798 | } | |
1799 | ||
252b5132 RH |
1800 | /* Create a hash table for the linker. Different backends store |
1801 | different information in this table. */ | |
1802 | ||
1803 | static struct bfd_link_hash_table * | |
1804 | vms_bfd_link_hash_table_create (abfd) | |
5f771d47 | 1805 | bfd *abfd ATTRIBUTE_UNUSED; |
252b5132 RH |
1806 | { |
1807 | #if VMS_DEBUG | |
1808 | vms_debug (1, "vms_bfd_link_hash_table_create(%p)\n", abfd); | |
1809 | #endif | |
1810 | return 0; | |
1811 | } | |
1812 | ||
252b5132 RH |
1813 | /* Add symbols from this object file into the hash table. */ |
1814 | ||
1815 | static boolean | |
1816 | vms_bfd_link_add_symbols (abfd, link_info) | |
5f771d47 ILT |
1817 | bfd *abfd ATTRIBUTE_UNUSED; |
1818 | struct bfd_link_info *link_info ATTRIBUTE_UNUSED; | |
252b5132 RH |
1819 | { |
1820 | #if VMS_DEBUG | |
1821 | vms_debug (1, "vms_bfd_link_add_symbols(%p, %p)\n", abfd, link_info); | |
1822 | #endif | |
1823 | return false; | |
1824 | } | |
1825 | ||
252b5132 RH |
1826 | /* Do a link based on the link_order structures attached to each |
1827 | section of the BFD. */ | |
1828 | ||
1829 | static boolean | |
1830 | vms_bfd_final_link (abfd, link_info) | |
5f771d47 ILT |
1831 | bfd *abfd ATTRIBUTE_UNUSED; |
1832 | struct bfd_link_info *link_info ATTRIBUTE_UNUSED; | |
252b5132 RH |
1833 | { |
1834 | #if VMS_DEBUG | |
1835 | vms_debug (1, "vms_bfd_final_link(%p, %p)\n", abfd, link_info); | |
1836 | #endif | |
1837 | return true; | |
1838 | } | |
1839 | ||
1840 | /* Should this section be split up into smaller pieces during linking. */ | |
1841 | ||
1842 | static boolean | |
1843 | vms_bfd_link_split_section (abfd, section) | |
5f771d47 ILT |
1844 | bfd *abfd ATTRIBUTE_UNUSED; |
1845 | asection *section ATTRIBUTE_UNUSED; | |
252b5132 RH |
1846 | { |
1847 | #if VMS_DEBUG | |
1848 | vms_debug (1, "vms_bfd_link_split_section(%p, %s)\n", abfd, section->name); | |
1849 | #endif | |
1850 | return false; | |
1851 | } | |
1852 | ||
1853 | /*-- Part 4.9, dynamic symbols and relocations ------------------------------*/ | |
1854 | ||
1855 | /* Get the amount of memory required to hold the dynamic symbols. */ | |
1856 | ||
1857 | static long | |
1858 | vms_get_dynamic_symtab_upper_bound (abfd) | |
5f771d47 | 1859 | bfd *abfd ATTRIBUTE_UNUSED; |
252b5132 RH |
1860 | { |
1861 | #if VMS_DEBUG | |
1862 | vms_debug (1, "vms_get_dynamic_symtab_upper_bound(%p)\n", abfd); | |
1863 | #endif | |
1864 | return 0; | |
1865 | } | |
1866 | ||
1867 | static boolean | |
1868 | vms_bfd_print_private_bfd_data (abfd, file) | |
5f771d47 ILT |
1869 | bfd *abfd ATTRIBUTE_UNUSED; |
1870 | void *file ATTRIBUTE_UNUSED; | |
252b5132 RH |
1871 | { |
1872 | #if VMS_DEBUG | |
1873 | vms_debug (1, "vms_bfd_print_private_bfd_data(%p)\n", abfd); | |
1874 | #endif | |
1875 | return 0; | |
1876 | } | |
1877 | ||
252b5132 RH |
1878 | /* Read in the dynamic symbols. */ |
1879 | ||
1880 | static long | |
1881 | vms_canonicalize_dynamic_symtab (abfd, symbols) | |
5f771d47 ILT |
1882 | bfd *abfd ATTRIBUTE_UNUSED; |
1883 | asymbol **symbols ATTRIBUTE_UNUSED; | |
252b5132 RH |
1884 | { |
1885 | #if VMS_DEBUG | |
1886 | vms_debug (1, "vms_canonicalize_dynamic_symtab(%p, <ret>)\n", abfd); | |
1887 | #endif | |
1888 | return 0L; | |
1889 | } | |
1890 | ||
252b5132 RH |
1891 | /* Get the amount of memory required to hold the dynamic relocs. */ |
1892 | ||
1893 | static long | |
1894 | vms_get_dynamic_reloc_upper_bound (abfd) | |
5f771d47 | 1895 | bfd *abfd ATTRIBUTE_UNUSED; |
252b5132 RH |
1896 | { |
1897 | #if VMS_DEBUG | |
1898 | vms_debug (1, "vms_get_dynamic_reloc_upper_bound(%p)\n", abfd); | |
1899 | #endif | |
1900 | return 0L; | |
1901 | } | |
1902 | ||
252b5132 RH |
1903 | /* Read in the dynamic relocs. */ |
1904 | ||
1905 | static long | |
1906 | vms_canonicalize_dynamic_reloc (abfd, arel, symbols) | |
5f771d47 ILT |
1907 | bfd *abfd ATTRIBUTE_UNUSED; |
1908 | arelent **arel ATTRIBUTE_UNUSED; | |
1909 | asymbol **symbols ATTRIBUTE_UNUSED; | |
252b5132 RH |
1910 | { |
1911 | #if VMS_DEBUG | |
1912 | vms_debug (1, "vms_canonicalize_dynamic_reloc(%p)\n", abfd); | |
1913 | #endif | |
1914 | return 0L; | |
1915 | } |