Commit | Line | Data |
---|---|---|
252b5132 RH |
1 | /* vms-gsd.c -- BFD back-end for VAX (openVMS/VAX) and |
2 | EVAX (openVMS/Alpha) files. | |
3db64b00 AM |
3 | Copyright 1996, 1997, 1998, 1999, 2000, 2001, 2002, 2003, 2004, 2005, |
4 | 2007 Free Software Foundation, Inc. | |
252b5132 RH |
5 | |
6 | go and read the openVMS linker manual (esp. appendix B) | |
7 | if you don't know what's going on here :-) | |
8 | ||
9 | Written by Klaus K"ampf (kkaempf@rmi.de) | |
10 | ||
7920ce38 NC |
11 | This program is free software; you can redistribute it and/or modify |
12 | it under the terms of the GNU General Public License as published by | |
cd123cb7 | 13 | the Free Software Foundation; either version 3 of the License, or |
7920ce38 | 14 | (at your option) any later version. |
252b5132 | 15 | |
7920ce38 NC |
16 | This program is distributed in the hope that it will be useful, |
17 | but WITHOUT ANY WARRANTY; without even the implied warranty of | |
18 | MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the | |
19 | GNU General Public License for more details. | |
252b5132 | 20 | |
7920ce38 NC |
21 | You should have received a copy of the GNU General Public License |
22 | along with this program; if not, write to the Free Software | |
cd123cb7 NC |
23 | Foundation, Inc., 51 Franklin Street - Fifth Floor, Boston, |
24 | MA 02110-1301, USA. */ | |
252b5132 | 25 | |
252b5132 | 26 | #include "sysdep.h" |
3db64b00 | 27 | #include "bfd.h" |
252b5132 RH |
28 | #include "bfdlink.h" |
29 | #include "libbfd.h" | |
30 | ||
31 | #include "vms.h" | |
32 | ||
7920ce38 | 33 | /* Typical sections for vax object files. */ |
252b5132 RH |
34 | |
35 | #define VAX_CODE_NAME "$CODE" | |
36 | #define VAX_DATA_NAME "$DATA" | |
37 | #define VAX_ADDRESS_DATA_NAME "$ADDRESS_DATA" | |
38 | ||
7920ce38 | 39 | /* Typical sections for evax object files. */ |
252b5132 RH |
40 | |
41 | #define EVAX_ABS_NAME "$ABS$" | |
42 | #define EVAX_CODE_NAME "$CODE$" | |
43 | #define EVAX_LINK_NAME "$LINK$" | |
44 | #define EVAX_DATA_NAME "$DATA$" | |
45 | #define EVAX_BSS_NAME "$BSS$" | |
46 | #define EVAX_READONLYADDR_NAME "$READONLY_ADDR$" | |
47 | #define EVAX_READONLY_NAME "$READONLY$" | |
48 | #define EVAX_LITERAL_NAME "$LITERAL$" | |
49 | #define EVAX_COMMON_NAME "$COMMON$" | |
50 | #define EVAX_LOCAL_NAME "$LOCAL$" | |
51 | ||
7920ce38 NC |
52 | struct sec_flags_struct |
53 | { | |
54 | char *name; /* Name of section. */ | |
252b5132 | 55 | int vflags_always; |
7920ce38 | 56 | flagword flags_always; /* Flags we set always. */ |
252b5132 | 57 | int vflags_hassize; |
7920ce38 | 58 | flagword flags_hassize; /* Flags we set if the section has a size > 0. */ |
252b5132 RH |
59 | }; |
60 | ||
7920ce38 | 61 | /* These flags are deccrtl/vaxcrtl (openVMS 6.2 VAX) compatible. */ |
252b5132 | 62 | |
7920ce38 NC |
63 | static struct sec_flags_struct vax_section_flags[] = |
64 | { | |
65 | { VAX_CODE_NAME, | |
66 | (GPS_S_M_PIC | GPS_S_M_REL | GPS_S_M_SHR | GPS_S_M_EXE | GPS_S_M_RD), | |
67 | (SEC_CODE), | |
68 | (GPS_S_M_PIC | GPS_S_M_REL | GPS_S_M_SHR | GPS_S_M_EXE | GPS_S_M_RD), | |
69 | (SEC_IN_MEMORY | SEC_CODE | SEC_HAS_CONTENTS | SEC_ALLOC | SEC_LOAD) }, | |
70 | { VAX_DATA_NAME, | |
71 | (GPS_S_M_PIC | GPS_S_M_REL | GPS_S_M_RD | GPS_S_M_WRT), | |
72 | (SEC_DATA), | |
73 | (GPS_S_M_PIC | GPS_S_M_REL | GPS_S_M_RD | GPS_S_M_WRT), | |
74 | (SEC_IN_MEMORY | SEC_DATA | SEC_HAS_CONTENTS | SEC_ALLOC | SEC_LOAD) }, | |
75 | { VAX_ADDRESS_DATA_NAME, | |
76 | (GPS_S_M_PIC | GPS_S_M_REL | GPS_S_M_RD), | |
77 | (SEC_DATA | SEC_READONLY), | |
78 | (GPS_S_M_PIC | GPS_S_M_REL | GPS_S_M_RD), | |
79 | (SEC_IN_MEMORY | SEC_DATA | SEC_HAS_CONTENTS | SEC_ALLOC | SEC_READONLY | SEC_LOAD) }, | |
80 | { NULL, | |
81 | (GPS_S_M_PIC | GPS_S_M_OVR | GPS_S_M_REL | GPS_S_M_GBL | GPS_S_M_RD | GPS_S_M_WRT), | |
82 | (SEC_DATA), | |
83 | (GPS_S_M_PIC | GPS_S_M_OVR | GPS_S_M_REL | GPS_S_M_GBL | GPS_S_M_RD | GPS_S_M_WRT), | |
84 | (SEC_IN_MEMORY | SEC_DATA | SEC_HAS_CONTENTS | SEC_ALLOC | SEC_LOAD) } | |
85 | }; | |
86 | ||
87 | /* These flags are deccrtl/vaxcrtl (openVMS 6.2 Alpha) compatible. */ | |
252b5132 | 88 | |
7920ce38 NC |
89 | static struct sec_flags_struct evax_section_flags[] = |
90 | { | |
91 | { EVAX_ABS_NAME, | |
92 | (EGPS_S_V_SHR), | |
93 | (SEC_DATA), | |
94 | (EGPS_S_V_SHR), | |
95 | (SEC_IN_MEMORY | SEC_DATA | SEC_HAS_CONTENTS | SEC_ALLOC | SEC_LOAD) }, | |
96 | { EVAX_CODE_NAME, | |
97 | (EGPS_S_V_PIC | EGPS_S_V_REL | EGPS_S_V_SHR | EGPS_S_V_EXE), | |
98 | (SEC_CODE), | |
99 | (EGPS_S_V_PIC | EGPS_S_V_REL | EGPS_S_V_SHR | EGPS_S_V_EXE), | |
100 | (SEC_IN_MEMORY | SEC_CODE | SEC_HAS_CONTENTS | SEC_ALLOC | SEC_LOAD) }, | |
101 | { EVAX_LITERAL_NAME, | |
102 | (EGPS_S_V_PIC | EGPS_S_V_REL | EGPS_S_V_SHR | EGPS_S_V_RD | EGPS_S_V_NOMOD), | |
103 | (SEC_DATA | SEC_READONLY), | |
104 | (EGPS_S_V_PIC | EGPS_S_V_REL | EGPS_S_V_SHR | EGPS_S_V_RD), | |
105 | (SEC_IN_MEMORY | SEC_DATA | SEC_HAS_CONTENTS | SEC_ALLOC | SEC_READONLY | SEC_LOAD) }, | |
106 | { EVAX_LINK_NAME, | |
107 | (EGPS_S_V_REL | EGPS_S_V_RD), | |
108 | (SEC_DATA | SEC_READONLY), | |
109 | (EGPS_S_V_REL | EGPS_S_V_RD), | |
110 | (SEC_IN_MEMORY | SEC_DATA | SEC_HAS_CONTENTS | SEC_ALLOC | SEC_READONLY | SEC_LOAD) }, | |
111 | { EVAX_DATA_NAME, | |
112 | (EGPS_S_V_REL | EGPS_S_V_RD | EGPS_S_V_WRT | EGPS_S_V_NOMOD), | |
113 | (SEC_DATA), | |
114 | (EGPS_S_V_REL | EGPS_S_V_RD | EGPS_S_V_WRT), | |
115 | (SEC_IN_MEMORY | SEC_DATA | SEC_HAS_CONTENTS | SEC_ALLOC | SEC_LOAD) }, | |
116 | { EVAX_BSS_NAME, | |
117 | (EGPS_S_V_REL | EGPS_S_V_RD | EGPS_S_V_WRT | EGPS_S_V_NOMOD), | |
118 | (SEC_NO_FLAGS), | |
119 | (EGPS_S_V_REL | EGPS_S_V_RD | EGPS_S_V_WRT | EGPS_S_V_NOMOD), | |
120 | (SEC_IN_MEMORY | SEC_HAS_CONTENTS | SEC_ALLOC | SEC_LOAD) }, | |
121 | { EVAX_READONLYADDR_NAME, | |
122 | (EGPS_S_V_PIC | EGPS_S_V_REL | EGPS_S_V_RD), | |
123 | (SEC_DATA | SEC_READONLY), | |
124 | (EGPS_S_V_PIC | EGPS_S_V_REL | EGPS_S_V_RD), | |
125 | (SEC_IN_MEMORY | SEC_DATA | SEC_HAS_CONTENTS | SEC_ALLOC | SEC_READONLY | SEC_LOAD) }, | |
126 | { EVAX_READONLY_NAME, | |
127 | (EGPS_S_V_PIC | EGPS_S_V_REL | EGPS_S_V_SHR | EGPS_S_V_RD | EGPS_S_V_NOMOD), | |
128 | (SEC_DATA | SEC_READONLY), | |
129 | (EGPS_S_V_PIC | EGPS_S_V_REL | EGPS_S_V_SHR | EGPS_S_V_RD), | |
130 | (SEC_IN_MEMORY | SEC_DATA | SEC_HAS_CONTENTS | SEC_ALLOC | SEC_READONLY | SEC_LOAD) }, | |
131 | { EVAX_LOCAL_NAME, | |
132 | (EGPS_S_V_REL | EGPS_S_V_RD | EGPS_S_V_WRT), | |
133 | (SEC_DATA), | |
134 | (EGPS_S_V_REL | EGPS_S_V_RD | EGPS_S_V_WRT), | |
135 | (SEC_IN_MEMORY | SEC_DATA | SEC_HAS_CONTENTS | SEC_ALLOC | SEC_LOAD) }, | |
136 | { NULL, | |
137 | (EGPS_S_V_REL | EGPS_S_V_RD | EGPS_S_V_WRT), | |
138 | (SEC_DATA), | |
139 | (EGPS_S_V_REL | EGPS_S_V_RD | EGPS_S_V_WRT), | |
140 | (SEC_IN_MEMORY | SEC_DATA | SEC_HAS_CONTENTS | SEC_ALLOC | SEC_LOAD) } | |
141 | }; | |
524f76c9 | 142 | |
7920ce38 | 143 | /* Retrieve bfd section flags by name and size. */ |
252b5132 RH |
144 | |
145 | static flagword | |
7920ce38 NC |
146 | vms_secflag_by_name (bfd *abfd, |
147 | struct sec_flags_struct *section_flags, | |
148 | char *name, | |
149 | int hassize) | |
252b5132 RH |
150 | { |
151 | int i = 0; | |
152 | ||
153 | while (section_flags[i].name != NULL) | |
154 | { | |
7920ce38 NC |
155 | if ((PRIV (is_vax)? |
156 | strcasecmp (name, section_flags[i].name): | |
157 | strcmp (name, section_flags[i].name)) == 0) | |
252b5132 | 158 | { |
dc810e39 | 159 | if (hassize) |
252b5132 RH |
160 | return section_flags[i].flags_hassize; |
161 | else | |
162 | return section_flags[i].flags_always; | |
163 | } | |
164 | i++; | |
165 | } | |
dc810e39 | 166 | if (hassize) |
252b5132 RH |
167 | return section_flags[i].flags_hassize; |
168 | return section_flags[i].flags_always; | |
169 | } | |
170 | ||
7920ce38 | 171 | /* Retrieve vms section flags by name and size. */ |
252b5132 RH |
172 | |
173 | static flagword | |
7920ce38 NC |
174 | vms_esecflag_by_name (struct sec_flags_struct *section_flags, |
175 | char *name, | |
176 | int hassize) | |
252b5132 RH |
177 | { |
178 | int i = 0; | |
179 | ||
180 | while (section_flags[i].name != NULL) | |
181 | { | |
182 | if (strcmp (name, section_flags[i].name) == 0) | |
183 | { | |
dc810e39 | 184 | if (hassize) |
252b5132 RH |
185 | return section_flags[i].vflags_hassize; |
186 | else | |
187 | return section_flags[i].vflags_always; | |
188 | } | |
189 | i++; | |
190 | } | |
dc810e39 | 191 | if (hassize) |
252b5132 RH |
192 | return section_flags[i].vflags_hassize; |
193 | return section_flags[i].vflags_always; | |
194 | } | |
195 | ||
252b5132 | 196 | #if VMS_DEBUG |
252b5132 RH |
197 | |
198 | struct flagdescstruct { char *name; flagword value; }; | |
199 | ||
7920ce38 | 200 | /* Convert flag to printable string. */ |
252b5132 RH |
201 | |
202 | static char * | |
7920ce38 | 203 | flag2str (struct flagdescstruct * flagdesc, flagword flags) |
252b5132 | 204 | { |
252b5132 RH |
205 | static char res[64]; |
206 | int next = 0; | |
207 | ||
208 | res[0] = 0; | |
209 | while (flagdesc->name != NULL) | |
210 | { | |
211 | if ((flags & flagdesc->value) != 0) | |
212 | { | |
213 | if (next) | |
7920ce38 | 214 | strcat (res, ","); |
252b5132 RH |
215 | else |
216 | next = 1; | |
217 | strcat (res, flagdesc->name); | |
218 | } | |
219 | flagdesc++; | |
220 | } | |
221 | return res; | |
222 | } | |
223 | #endif | |
224 | ||
7920ce38 | 225 | /* Input routines. */ |
252b5132 RH |
226 | |
227 | /* Process GSD/EGSD record | |
7920ce38 | 228 | return 0 on success, -1 on error. */ |
252b5132 RH |
229 | |
230 | int | |
7920ce38 | 231 | _bfd_vms_slurp_gsd (bfd * abfd, int objtype) |
252b5132 RH |
232 | { |
233 | #if VMS_DEBUG | |
234 | static struct flagdescstruct gpsflagdesc[] = | |
7920ce38 NC |
235 | { |
236 | { "PIC", 0x0001 }, | |
237 | { "LIB", 0x0002 }, | |
238 | { "OVR", 0x0004 }, | |
239 | { "REL", 0x0008 }, | |
240 | { "GBL", 0x0010 }, | |
241 | { "SHR", 0x0020 }, | |
242 | { "EXE", 0x0040 }, | |
243 | { "RD", 0x0080 }, | |
244 | { "WRT", 0x0100 }, | |
245 | { "VEC", 0x0200 }, | |
246 | { "NOMOD", 0x0400 }, | |
247 | { "COM", 0x0800 }, | |
248 | { NULL, 0 } | |
249 | }; | |
252b5132 RH |
250 | |
251 | static struct flagdescstruct gsyflagdesc[] = | |
7920ce38 NC |
252 | { |
253 | { "WEAK", 0x0001 }, | |
254 | { "DEF", 0x0002 }, | |
255 | { "UNI", 0x0004 }, | |
256 | { "REL", 0x0008 }, | |
257 | { "COMM", 0x0010 }, | |
258 | { "VECEP", 0x0020 }, | |
259 | { "NORM", 0x0040 }, | |
260 | { NULL, 0 } | |
261 | }; | |
252b5132 RH |
262 | #endif |
263 | ||
264 | int gsd_type, gsd_size; | |
265 | asection *section; | |
266 | unsigned char *vms_rec; | |
267 | flagword new_flags, old_flags; | |
268 | char *name; | |
269 | asymbol *symbol; | |
270 | vms_symbol_entry *entry; | |
271 | unsigned long base_addr; | |
272 | unsigned long align_addr; | |
5f771d47 | 273 | static unsigned int psect_idx = 0; |
252b5132 RH |
274 | |
275 | #if VMS_DEBUG | |
276 | vms_debug (2, "GSD/EGSD (%d/%x)\n", objtype, objtype); | |
277 | #endif | |
278 | ||
279 | switch (objtype) | |
280 | { | |
dc810e39 | 281 | case EOBJ_S_C_EGSD: |
7920ce38 NC |
282 | PRIV (vms_rec) += 8; /* Skip type, size, l_temp. */ |
283 | PRIV (rec_size) -= 8; | |
dc810e39 AM |
284 | break; |
285 | case OBJ_S_C_GSD: | |
7920ce38 NC |
286 | PRIV (vms_rec) += 1; |
287 | PRIV (rec_size) -= 1; | |
dc810e39 AM |
288 | break; |
289 | default: | |
290 | return -1; | |
252b5132 RH |
291 | } |
292 | ||
7920ce38 | 293 | /* Calculate base address for each section. */ |
252b5132 RH |
294 | base_addr = 0L; |
295 | ||
296 | abfd->symcount = 0; | |
297 | ||
7920ce38 | 298 | while (PRIV (rec_size) > 0) |
252b5132 | 299 | { |
7920ce38 | 300 | vms_rec = PRIV (vms_rec); |
252b5132 RH |
301 | |
302 | if (objtype == OBJ_S_C_GSD) | |
7920ce38 | 303 | gsd_type = *vms_rec; |
252b5132 RH |
304 | else |
305 | { | |
306 | _bfd_vms_get_header_values (abfd, vms_rec, &gsd_type, &gsd_size); | |
307 | gsd_type += EVAX_OFFSET; | |
308 | } | |
309 | ||
310 | #if VMS_DEBUG | |
7920ce38 | 311 | vms_debug (3, "gsd_type %d\n", gsd_type); |
252b5132 RH |
312 | #endif |
313 | ||
314 | switch (gsd_type) | |
315 | { | |
7920ce38 NC |
316 | case GSD_S_C_PSC: |
317 | { | |
318 | /* Program section definition. */ | |
319 | asection *old_section = 0; | |
252b5132 RH |
320 | |
321 | #if VMS_DEBUG | |
7920ce38 | 322 | vms_debug (4, "GSD_S_C_PSC\n"); |
252b5132 | 323 | #endif |
7920ce38 NC |
324 | /* If this section isn't a bfd section. */ |
325 | if (PRIV (is_vax) && (psect_idx < (abfd->section_count-1))) | |
326 | { | |
327 | /* Check for temporary section from TIR record. */ | |
328 | if (psect_idx < PRIV (section_count)) | |
329 | old_section = PRIV (sections)[psect_idx]; | |
330 | else | |
331 | old_section = 0; | |
332 | } | |
333 | ||
334 | name = _bfd_vms_save_counted_string (vms_rec + 8); | |
335 | section = bfd_make_section (abfd, name); | |
336 | if (!section) | |
337 | { | |
338 | (*_bfd_error_handler) (_("bfd_make_section (%s) failed"), | |
339 | name); | |
340 | return -1; | |
341 | } | |
342 | old_flags = bfd_getl16 (vms_rec + 2); | |
343 | section->size = bfd_getl32 (vms_rec + 4); /* allocation */ | |
344 | new_flags = vms_secflag_by_name (abfd, vax_section_flags, name, | |
345 | section->size > 0); | |
346 | if (old_flags & EGPS_S_V_REL) | |
347 | new_flags |= SEC_RELOC; | |
348 | if (old_flags & GPS_S_M_OVR) | |
349 | new_flags |= SEC_IS_COMMON; | |
350 | if (!bfd_set_section_flags (abfd, section, new_flags)) | |
351 | { | |
352 | (*_bfd_error_handler) | |
353 | (_("bfd_set_section_flags (%s, %x) failed"), | |
354 | name, new_flags); | |
355 | return -1; | |
356 | } | |
357 | section->alignment_power = vms_rec[1]; | |
358 | align_addr = (1 << section->alignment_power); | |
359 | if ((base_addr % align_addr) != 0) | |
360 | base_addr += (align_addr - (base_addr % align_addr)); | |
361 | section->vma = (bfd_vma)base_addr; | |
362 | base_addr += section->size; | |
363 | ||
364 | /* Global section is common symbol. */ | |
365 | ||
366 | if (old_flags & GPS_S_M_GBL) | |
367 | { | |
368 | entry = _bfd_vms_enter_symbol (abfd, name); | |
369 | if (entry == NULL) | |
370 | { | |
371 | bfd_set_error (bfd_error_no_memory); | |
372 | return -1; | |
373 | } | |
374 | symbol = entry->symbol; | |
375 | ||
376 | symbol->value = 0; | |
377 | symbol->section = section; | |
378 | symbol->flags = (BSF_GLOBAL | BSF_SECTION_SYM | BSF_OLD_COMMON); | |
379 | } | |
380 | ||
381 | /* Copy saved contents if old_section set. */ | |
382 | if (old_section != 0) | |
383 | { | |
384 | section->contents = old_section->contents; | |
385 | if (section->size < old_section->size) | |
386 | { | |
387 | (*_bfd_error_handler) | |
388 | (_("Size mismatch section %s=%lx, %s=%lx"), | |
389 | old_section->name, | |
390 | (unsigned long) old_section->size, | |
391 | section->name, | |
392 | (unsigned long) section->size); | |
393 | return -1; | |
394 | } | |
395 | else if (section->size > old_section->size) | |
396 | { | |
397 | section->contents = bfd_realloc (old_section->contents, | |
398 | section->size); | |
399 | if (section->contents == NULL) | |
400 | { | |
401 | bfd_set_error (bfd_error_no_memory); | |
402 | return -1; | |
403 | } | |
404 | } | |
405 | } | |
406 | else | |
407 | { | |
408 | section->contents = bfd_zmalloc (section->size); | |
409 | if (section->contents == NULL) | |
410 | { | |
411 | bfd_set_error (bfd_error_no_memory); | |
412 | return -1; | |
413 | } | |
414 | } | |
252b5132 | 415 | #if VMS_DEBUG |
7920ce38 NC |
416 | vms_debug (4, "gsd psc %d (%s, flags %04x=%s) ", |
417 | section->index, name, old_flags, flag2str (gpsflagdesc, old_flags)); | |
418 | vms_debug (4, "%d bytes at 0x%08lx (mem %p)\n", | |
419 | section->size, section->vma, section->contents); | |
252b5132 RH |
420 | #endif |
421 | ||
7920ce38 | 422 | gsd_size = vms_rec[8] + 9; |
252b5132 | 423 | |
7920ce38 NC |
424 | psect_idx++; |
425 | } | |
252b5132 RH |
426 | break; |
427 | ||
7920ce38 NC |
428 | case GSD_S_C_EPM: |
429 | case GSD_S_C_EPMW: | |
252b5132 | 430 | #if VMS_DEBUG |
7920ce38 | 431 | vms_debug (4, "gsd epm\n"); |
252b5132 | 432 | #endif |
7920ce38 NC |
433 | /* Fall through. */ |
434 | case GSD_S_C_SYM: | |
435 | case GSD_S_C_SYMW: | |
436 | { | |
437 | int name_offset = 0, value_offset = 0; | |
252b5132 | 438 | |
7920ce38 | 439 | /* Symbol specification (definition or reference). */ |
252b5132 | 440 | #if VMS_DEBUG |
7920ce38 | 441 | vms_debug (4, "GSD_S_C_SYM(W)\n"); |
252b5132 | 442 | #endif |
7920ce38 NC |
443 | old_flags = bfd_getl16 (vms_rec + 2); |
444 | new_flags = BSF_NO_FLAGS; | |
252b5132 | 445 | |
7920ce38 NC |
446 | if (old_flags & GSY_S_M_WEAK) |
447 | new_flags |= BSF_WEAK; | |
252b5132 | 448 | |
7920ce38 NC |
449 | switch (gsd_type) |
450 | { | |
451 | case GSD_S_C_EPM: | |
452 | name_offset = 11; | |
453 | value_offset = 5; | |
454 | new_flags |= BSF_FUNCTION; | |
455 | break; | |
456 | case GSD_S_C_EPMW: | |
457 | name_offset = 12; | |
458 | value_offset = 6; | |
459 | new_flags |= BSF_FUNCTION; | |
460 | break; | |
461 | case GSD_S_C_SYM: | |
462 | if (old_flags & GSY_S_M_DEF) /* Symbol definition. */ | |
463 | name_offset = 9; | |
464 | else | |
465 | name_offset = 4; | |
466 | value_offset = 5; | |
467 | break; | |
468 | case GSD_S_C_SYMW: | |
469 | if (old_flags & GSY_S_M_DEF) /* Symbol definition. */ | |
470 | name_offset = 10; | |
471 | else | |
472 | name_offset = 5; | |
473 | value_offset = 6; | |
474 | break; | |
475 | } | |
476 | ||
477 | /* Save symbol in vms_symbol_table. */ | |
478 | entry = _bfd_vms_enter_symbol | |
479 | (abfd, _bfd_vms_save_counted_string (vms_rec + name_offset)); | |
480 | if (entry == NULL) | |
481 | { | |
482 | bfd_set_error (bfd_error_no_memory); | |
483 | return -1; | |
484 | } | |
485 | symbol = entry->symbol; | |
486 | ||
487 | if (old_flags & GSY_S_M_DEF) | |
488 | { | |
489 | /* Symbol definition. */ | |
490 | int psect; | |
491 | ||
492 | symbol->value = bfd_getl32 (vms_rec + value_offset); | |
493 | if ((gsd_type == GSD_S_C_SYMW) | |
494 | || (gsd_type == GSD_S_C_EPMW)) | |
495 | psect = bfd_getl16 (vms_rec + value_offset - 2); | |
496 | else | |
497 | psect = vms_rec[value_offset-1]; | |
498 | ||
499 | symbol->section = (asection *) (size_t) psect; | |
252b5132 | 500 | #if VMS_DEBUG |
7920ce38 NC |
501 | vms_debug (4, "gsd sym def #%d (%s, %d [%p], %04x=%s)\n", abfd->symcount, |
502 | symbol->name, (int)symbol->section, symbol->section, old_flags, flag2str (gsyflagdesc, old_flags)); | |
252b5132 | 503 | #endif |
7920ce38 NC |
504 | } |
505 | else | |
506 | { | |
507 | /* Symbol reference. */ | |
508 | symbol->section = bfd_make_section (abfd, BFD_UND_SECTION_NAME); | |
252b5132 | 509 | #if VMS_DEBUG |
7920ce38 NC |
510 | vms_debug (4, "gsd sym ref #%d (%s, %s [%p], %04x=%s)\n", |
511 | abfd->symcount, symbol->name, symbol->section->name, | |
512 | symbol->section, old_flags, flag2str (gsyflagdesc, old_flags)); | |
252b5132 | 513 | #endif |
7920ce38 | 514 | } |
252b5132 | 515 | |
7920ce38 NC |
516 | gsd_size = vms_rec[name_offset] + name_offset + 1; |
517 | symbol->flags = new_flags; | |
518 | } | |
252b5132 RH |
519 | |
520 | break; | |
521 | ||
7920ce38 NC |
522 | case GSD_S_C_PRO: |
523 | case GSD_S_C_PROW: | |
252b5132 | 524 | #if VMS_DEBUG |
7920ce38 | 525 | vms_debug (4, "gsd pro\n"); |
252b5132 RH |
526 | #endif |
527 | break; | |
7920ce38 | 528 | case GSD_S_C_IDC: |
252b5132 | 529 | #if VMS_DEBUG |
7920ce38 | 530 | vms_debug (4, "gsd idc\n"); |
252b5132 RH |
531 | #endif |
532 | break; | |
7920ce38 | 533 | case GSD_S_C_ENV: |
252b5132 | 534 | #if VMS_DEBUG |
7920ce38 | 535 | vms_debug (4, "gsd env\n"); |
252b5132 RH |
536 | #endif |
537 | break; | |
7920ce38 | 538 | case GSD_S_C_LSY: |
252b5132 | 539 | #if VMS_DEBUG |
7920ce38 | 540 | vms_debug (4, "gsd lsy\n"); |
252b5132 RH |
541 | #endif |
542 | break; | |
7920ce38 | 543 | case GSD_S_C_LEPM: |
252b5132 | 544 | #if VMS_DEBUG |
7920ce38 | 545 | vms_debug (4, "gsd lepm\n"); |
252b5132 RH |
546 | #endif |
547 | break; | |
7920ce38 | 548 | case GSD_S_C_LPRO: |
252b5132 | 549 | #if VMS_DEBUG |
7920ce38 | 550 | vms_debug (4, "gsd lpro\n"); |
252b5132 RH |
551 | #endif |
552 | break; | |
7920ce38 | 553 | case GSD_S_C_SPSC: |
252b5132 | 554 | #if VMS_DEBUG |
7920ce38 | 555 | vms_debug (4, "gsd spsc\n"); |
252b5132 RH |
556 | #endif |
557 | break; | |
7920ce38 | 558 | case GSD_S_C_SYMV: |
252b5132 | 559 | #if VMS_DEBUG |
7920ce38 | 560 | vms_debug (4, "gsd symv\n"); |
252b5132 RH |
561 | #endif |
562 | break; | |
7920ce38 | 563 | case GSD_S_C_EPMV: |
252b5132 | 564 | #if VMS_DEBUG |
7920ce38 | 565 | vms_debug (4, "gsd epmv\n"); |
252b5132 RH |
566 | #endif |
567 | break; | |
7920ce38 | 568 | case GSD_S_C_PROV: |
252b5132 | 569 | #if VMS_DEBUG |
7920ce38 | 570 | vms_debug (4, "gsd prov\n"); |
252b5132 RH |
571 | #endif |
572 | break; | |
573 | ||
574 | case EGSD_S_C_PSC + EVAX_OFFSET: | |
575 | { | |
7920ce38 NC |
576 | /* Program section definition. */ |
577 | name = _bfd_vms_save_counted_string (vms_rec + 12); | |
252b5132 RH |
578 | section = bfd_make_section (abfd, name); |
579 | if (!section) | |
580 | return -1; | |
581 | old_flags = bfd_getl16 (vms_rec + 6); | |
7920ce38 | 582 | section->size = bfd_getl32 (vms_rec + 8); /* Allocation. */ |
dc810e39 | 583 | new_flags = vms_secflag_by_name (abfd, evax_section_flags, name, |
eea6121a | 584 | section->size > 0); |
252b5132 RH |
585 | if (old_flags & EGPS_S_V_REL) |
586 | new_flags |= SEC_RELOC; | |
587 | if (!bfd_set_section_flags (abfd, section, new_flags)) | |
588 | return -1; | |
589 | section->alignment_power = vms_rec[4]; | |
590 | align_addr = (1 << section->alignment_power); | |
591 | if ((base_addr % align_addr) != 0) | |
592 | base_addr += (align_addr - (base_addr % align_addr)); | |
593 | section->vma = (bfd_vma)base_addr; | |
eea6121a | 594 | base_addr += section->size; |
7920ce38 | 595 | section->contents = bfd_zmalloc (section->size); |
252b5132 RH |
596 | if (section->contents == NULL) |
597 | return -1; | |
252b5132 | 598 | #if VMS_DEBUG |
7920ce38 NC |
599 | vms_debug (4, "egsd psc %d (%s, flags %04x=%s) ", |
600 | section->index, name, old_flags, flag2str (gpsflagdesc, old_flags)); | |
601 | vms_debug (4, "%d bytes at 0x%08lx (mem %p)\n", | |
eea6121a | 602 | section->size, section->vma, section->contents); |
252b5132 RH |
603 | #endif |
604 | } | |
605 | break; | |
606 | ||
607 | case EGSD_S_C_SYM + EVAX_OFFSET: | |
608 | { | |
7920ce38 | 609 | /* Symbol specification (definition or reference). */ |
3f3c5c34 | 610 | symbol = bfd_make_empty_symbol (abfd); |
252b5132 RH |
611 | if (symbol == 0) |
612 | return -1; | |
613 | ||
614 | old_flags = bfd_getl16 (vms_rec + 6); | |
615 | new_flags = BSF_NO_FLAGS; | |
616 | ||
617 | if (old_flags & EGSY_S_V_WEAK) | |
618 | new_flags |= BSF_WEAK; | |
619 | ||
7920ce38 | 620 | if (vms_rec[6] & EGSY_S_V_DEF) |
252b5132 | 621 | { |
7920ce38 NC |
622 | /* Symbol definition. */ |
623 | symbol->name = _bfd_vms_save_counted_string (vms_rec + 32); | |
252b5132 | 624 | if (old_flags & EGSY_S_V_NORM) |
7920ce38 NC |
625 | /* Proc def. */ |
626 | new_flags |= BSF_FUNCTION; | |
627 | ||
628 | symbol->value = bfd_getl64 (vms_rec + 8); | |
629 | symbol->section = (asection *) ((unsigned long) bfd_getl32 (vms_rec + 28)); | |
252b5132 | 630 | #if VMS_DEBUG |
7920ce38 NC |
631 | vms_debug (4, "egsd sym def #%d (%s, %d, %04x=%s)\n", abfd->symcount, |
632 | symbol->name, (int) symbol->section, old_flags, | |
633 | flag2str (gsyflagdesc, old_flags)); | |
252b5132 RH |
634 | #endif |
635 | } | |
7920ce38 | 636 | else |
252b5132 | 637 | { |
7920ce38 NC |
638 | /* Symbol reference. */ |
639 | symbol->name = _bfd_vms_save_counted_string (vms_rec + 8); | |
252b5132 | 640 | #if VMS_DEBUG |
7920ce38 NC |
641 | vms_debug (4, "egsd sym ref #%d (%s, %04x=%s)\n", abfd->symcount, |
642 | symbol->name, old_flags, flag2str (gsyflagdesc, old_flags)); | |
252b5132 | 643 | #endif |
89117aab | 644 | symbol->section = bfd_make_section (abfd, BFD_UND_SECTION_NAME); |
252b5132 RH |
645 | } |
646 | ||
647 | symbol->flags = new_flags; | |
648 | ||
7920ce38 NC |
649 | /* Save symbol in vms_symbol_table. */ |
650 | entry = (vms_symbol_entry *) bfd_hash_lookup (PRIV (vms_symbol_table), | |
b34976b6 AM |
651 | symbol->name, |
652 | TRUE, FALSE); | |
7920ce38 | 653 | if (entry == NULL) |
252b5132 RH |
654 | { |
655 | bfd_set_error (bfd_error_no_memory); | |
656 | return -1; | |
657 | } | |
7920ce38 NC |
658 | |
659 | if (entry->symbol != NULL) | |
660 | { | |
661 | /* FIXME ?, DEC C generates this. */ | |
252b5132 | 662 | #if VMS_DEBUG |
7920ce38 | 663 | vms_debug (4, "EGSD_S_C_SYM: duplicate \"%s\"\n", symbol->name); |
252b5132 RH |
664 | #endif |
665 | } | |
666 | else | |
667 | { | |
668 | entry->symbol = symbol; | |
7920ce38 | 669 | PRIV (gsd_sym_count)++; |
252b5132 RH |
670 | abfd->symcount++; |
671 | } | |
672 | } | |
673 | break; | |
674 | ||
675 | case EGSD_S_C_IDC + EVAX_OFFSET: | |
676 | break; | |
677 | ||
678 | default: | |
679 | (*_bfd_error_handler) (_("unknown gsd/egsd subtype %d"), gsd_type); | |
680 | bfd_set_error (bfd_error_bad_value); | |
681 | return -1; | |
7920ce38 | 682 | } |
252b5132 | 683 | |
7920ce38 NC |
684 | PRIV (rec_size) -= gsd_size; |
685 | PRIV (vms_rec) += gsd_size; | |
686 | } | |
252b5132 RH |
687 | |
688 | if (abfd->symcount > 0) | |
689 | abfd->flags |= HAS_SYMS; | |
690 | ||
691 | return 0; | |
692 | } | |
693 | ||
7920ce38 | 694 | /* Output routines. */ |
252b5132 | 695 | |
7920ce38 | 696 | /* Write section and symbol directory of bfd abfd. */ |
252b5132 RH |
697 | |
698 | int | |
7920ce38 | 699 | _bfd_vms_write_gsd (bfd *abfd, int objtype ATTRIBUTE_UNUSED) |
252b5132 RH |
700 | { |
701 | asection *section; | |
702 | asymbol *symbol; | |
5f771d47 | 703 | unsigned int symnum; |
252b5132 RH |
704 | int last_index = -1; |
705 | char dummy_name[10]; | |
706 | char *sname; | |
707 | flagword new_flags, old_flags; | |
252b5132 RH |
708 | |
709 | #if VMS_DEBUG | |
710 | vms_debug (2, "vms_write_gsd (%p, %d)\n", abfd, objtype); | |
711 | #endif | |
712 | ||
7920ce38 | 713 | /* Output sections. */ |
252b5132 RH |
714 | section = abfd->sections; |
715 | #if VMS_DEBUG | |
716 | vms_debug (3, "%d sections found\n", abfd->section_count); | |
717 | #endif | |
718 | ||
7920ce38 | 719 | /* Egsd is quadword aligned. */ |
252b5132 RH |
720 | _bfd_vms_output_alignment (abfd, 8); |
721 | ||
722 | _bfd_vms_output_begin (abfd, EOBJ_S_C_EGSD, -1); | |
723 | _bfd_vms_output_long (abfd, 0); | |
7920ce38 NC |
724 | /* Prepare output for subrecords. */ |
725 | _bfd_vms_output_push (abfd); | |
252b5132 RH |
726 | |
727 | while (section != 0) | |
728 | { | |
729 | #if VMS_DEBUG | |
7920ce38 | 730 | vms_debug (3, "Section #%d %s, %d bytes\n", section->index, section->name, (int)section->size); |
252b5132 RH |
731 | #endif |
732 | ||
7920ce38 | 733 | /* 13 bytes egsd, max 31 chars name -> should be 44 bytes. */ |
252b5132 RH |
734 | if (_bfd_vms_output_check (abfd, 64) < 0) |
735 | { | |
736 | _bfd_vms_output_pop (abfd); | |
737 | _bfd_vms_output_end (abfd); | |
738 | _bfd_vms_output_begin (abfd, EOBJ_S_C_EGSD, -1); | |
739 | _bfd_vms_output_long (abfd, 0); | |
7920ce38 NC |
740 | /* Prepare output for subrecords. */ |
741 | _bfd_vms_output_push (abfd); | |
252b5132 RH |
742 | } |
743 | ||
7920ce38 | 744 | /* Create dummy sections to keep consecutive indices. */ |
252b5132 RH |
745 | while (section->index - last_index > 1) |
746 | { | |
747 | #if VMS_DEBUG | |
748 | vms_debug (3, "index %d, last %d\n", section->index, last_index); | |
749 | #endif | |
750 | _bfd_vms_output_begin (abfd, EGSD_S_C_PSC, -1); | |
751 | _bfd_vms_output_short (abfd, 0); | |
752 | _bfd_vms_output_short (abfd, 0); | |
753 | _bfd_vms_output_long (abfd, 0); | |
754 | sprintf (dummy_name, ".DUMMY%02d", last_index); | |
755 | _bfd_vms_output_counted (abfd, dummy_name); | |
756 | _bfd_vms_output_flush (abfd); | |
757 | last_index++; | |
758 | } | |
759 | ||
7dee875e | 760 | /* Don't know if this is necessary for the linker but for now it keeps |
252b5132 | 761 | vms_slurp_gsd happy */ |
252b5132 RH |
762 | sname = (char *)section->name; |
763 | if (*sname == '.') | |
764 | { | |
765 | sname++; | |
766 | if ((*sname == 't') && (strcmp (sname, "text") == 0)) | |
7920ce38 | 767 | sname = PRIV (is_vax)?VAX_CODE_NAME:EVAX_CODE_NAME; |
252b5132 | 768 | else if ((*sname == 'd') && (strcmp (sname, "data") == 0)) |
7920ce38 | 769 | sname = PRIV (is_vax)?VAX_DATA_NAME:EVAX_DATA_NAME; |
252b5132 RH |
770 | else if ((*sname == 'b') && (strcmp (sname, "bss") == 0)) |
771 | sname = EVAX_BSS_NAME; | |
772 | else if ((*sname == 'l') && (strcmp (sname, "link") == 0)) | |
773 | sname = EVAX_LINK_NAME; | |
774 | else if ((*sname == 'r') && (strcmp (sname, "rdata") == 0)) | |
775 | sname = EVAX_READONLY_NAME; | |
776 | else if ((*sname == 'l') && (strcmp (sname, "literal") == 0)) | |
777 | sname = EVAX_LITERAL_NAME; | |
778 | else if ((*sname == 'c') && (strcmp (sname, "comm") == 0)) | |
779 | sname = EVAX_COMMON_NAME; | |
780 | else if ((*sname == 'l') && (strcmp (sname, "lcomm") == 0)) | |
781 | sname = EVAX_LOCAL_NAME; | |
782 | } | |
783 | else | |
784 | sname = _bfd_vms_length_hash_symbol (abfd, sname, EOBJ_S_C_SECSIZ); | |
785 | ||
786 | _bfd_vms_output_begin (abfd, EGSD_S_C_PSC, -1); | |
787 | _bfd_vms_output_short (abfd, section->alignment_power & 0xff); | |
788 | if (bfd_is_com_section (section)) | |
7920ce38 | 789 | new_flags = (EGPS_S_V_OVR | EGPS_S_V_REL | EGPS_S_V_GBL | EGPS_S_V_RD | EGPS_S_V_WRT | EGPS_S_V_NOMOD | EGPS_S_V_COM); |
252b5132 | 790 | else |
7920ce38 NC |
791 | new_flags = vms_esecflag_by_name (evax_section_flags, sname, |
792 | section->size > 0); | |
793 | ||
252b5132 | 794 | _bfd_vms_output_short (abfd, new_flags); |
eea6121a | 795 | _bfd_vms_output_long (abfd, (unsigned long) section->size); |
252b5132 RH |
796 | _bfd_vms_output_counted (abfd, sname); |
797 | _bfd_vms_output_flush (abfd); | |
798 | ||
799 | last_index = section->index; | |
800 | section = section->next; | |
801 | } | |
802 | ||
7920ce38 | 803 | /* Output symbols. */ |
252b5132 RH |
804 | #if VMS_DEBUG |
805 | vms_debug (3, "%d symbols found\n", abfd->symcount); | |
806 | #endif | |
807 | ||
7920ce38 | 808 | bfd_set_start_address (abfd, (bfd_vma) -1); |
252b5132 RH |
809 | |
810 | for (symnum = 0; symnum < abfd->symcount; symnum++) | |
811 | { | |
dc810e39 | 812 | char *hash; |
252b5132 RH |
813 | |
814 | symbol = abfd->outsymbols[symnum]; | |
815 | if (*(symbol->name) == '_') | |
816 | { | |
817 | if (strcmp (symbol->name, "__main") == 0) | |
818 | bfd_set_start_address (abfd, (bfd_vma)symbol->value); | |
819 | } | |
820 | old_flags = symbol->flags; | |
821 | ||
822 | if (old_flags & BSF_FILE) | |
823 | continue; | |
824 | ||
7920ce38 NC |
825 | if (((old_flags & (BSF_GLOBAL | BSF_WEAK)) == 0) /* Not xdef... */ |
826 | && (!bfd_is_und_section (symbol->section))) /* ...and not xref. */ | |
827 | continue; /* Dont output. */ | |
252b5132 | 828 | |
7920ce38 | 829 | /* 13 bytes egsd, max 64 chars name -> should be 77 bytes. */ |
252b5132 RH |
830 | if (_bfd_vms_output_check (abfd, 80) < 0) |
831 | { | |
832 | _bfd_vms_output_pop (abfd); | |
833 | _bfd_vms_output_end (abfd); | |
834 | _bfd_vms_output_begin (abfd, EOBJ_S_C_EGSD, -1); | |
835 | _bfd_vms_output_long (abfd, 0); | |
7920ce38 NC |
836 | /* Prepare output for subrecords. */ |
837 | _bfd_vms_output_push (abfd); | |
252b5132 RH |
838 | } |
839 | ||
840 | _bfd_vms_output_begin (abfd, EGSD_S_C_SYM, -1); | |
841 | ||
7920ce38 NC |
842 | /* Data type, alignment. */ |
843 | _bfd_vms_output_short (abfd, 0); | |
252b5132 RH |
844 | |
845 | new_flags = 0; | |
846 | ||
847 | if (old_flags & BSF_WEAK) | |
848 | new_flags |= EGSY_S_V_WEAK; | |
7920ce38 NC |
849 | if (bfd_is_com_section (symbol->section)) |
850 | new_flags |= (EGSY_S_V_WEAK | EGSY_S_V_COMM); | |
252b5132 RH |
851 | |
852 | if (old_flags & BSF_FUNCTION) | |
853 | { | |
854 | new_flags |= EGSY_S_V_NORM; | |
855 | new_flags |= EGSY_S_V_REL; | |
856 | } | |
7920ce38 | 857 | if (old_flags & (BSF_GLOBAL | BSF_WEAK)) |
252b5132 RH |
858 | { |
859 | new_flags |= EGSY_S_V_DEF; | |
860 | if (!bfd_is_abs_section (symbol->section)) | |
861 | new_flags |= EGSY_S_V_REL; | |
862 | } | |
863 | _bfd_vms_output_short (abfd, new_flags); | |
864 | ||
7920ce38 | 865 | if (old_flags & (BSF_GLOBAL | BSF_WEAK)) |
252b5132 | 866 | { |
7920ce38 | 867 | /* Symbol definition. */ |
dc810e39 AM |
868 | uquad code_address = 0; |
869 | unsigned long ca_psindx = 0; | |
870 | unsigned long psindx; | |
871 | ||
89117aab | 872 | if ((old_flags & BSF_FUNCTION) && symbol->udata.p != NULL) |
252b5132 | 873 | { |
dc810e39 AM |
874 | code_address = ((asymbol *) (symbol->udata.p))->value; |
875 | ca_psindx = ((asymbol *) (symbol->udata.p))->section->index; | |
252b5132 | 876 | } |
dc810e39 AM |
877 | psindx = symbol->section->index; |
878 | ||
879 | _bfd_vms_output_quad (abfd, symbol->value); | |
880 | _bfd_vms_output_quad (abfd, code_address); | |
881 | _bfd_vms_output_long (abfd, ca_psindx); | |
882 | _bfd_vms_output_long (abfd, psindx); | |
252b5132 | 883 | } |
dc810e39 AM |
884 | hash = _bfd_vms_length_hash_symbol (abfd, symbol->name, EOBJ_S_C_SYMSIZ); |
885 | _bfd_vms_output_counted (abfd, hash); | |
252b5132 RH |
886 | |
887 | _bfd_vms_output_flush (abfd); | |
888 | ||
889 | } | |
890 | ||
891 | _bfd_vms_output_alignment (abfd, 8); | |
892 | _bfd_vms_output_pop (abfd); | |
558e161f | 893 | _bfd_vms_output_end (abfd); |
252b5132 RH |
894 | |
895 | return 0; | |
896 | } |