Commit | Line | Data |
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3dd657b1 TR |
1 | /* Internal format of XCOFF object file data structures for BFD. |
2 | ||
f075ee0c | 3 | Copyright 1995, 1996, 1997, 1998, 1999, 2000, 2001, 2002, 2003, 2005 |
2eda3bbc | 4 | Free Software Foundation, Inc. |
3dd657b1 TR |
5 | Written by Ian Lance Taylor <ian@cygnus.com>, Cygnus Support. |
6 | ||
7 | This file is part of BFD, the Binary File Descriptor library. | |
8 | ||
9 | This program is free software; you can redistribute it and/or modify | |
10 | it under the terms of the GNU General Public License as published by | |
11 | the Free Software Foundation; either version 2 of the License, or | |
12 | (at your option) any later version. | |
13 | ||
14 | This program is distributed in the hope that it will be useful, | |
15 | but WITHOUT ANY WARRANTY; without even the implied warranty of | |
16 | MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the | |
17 | GNU General Public License for more details. | |
18 | ||
19 | You should have received a copy of the GNU General Public License | |
20 | along with this program; if not, write to the Free Software | |
e172dbf8 | 21 | Foundation, Inc., 51 Franklin Street - Fifth Floor, Boston, MA 02110-1301, USA. */ |
3dd657b1 TR |
22 | |
23 | #ifndef _INTERNAL_XCOFF_H | |
24 | #define _INTERNAL_XCOFF_H | |
25 | ||
54c95892 | 26 | /* Linker */ |
3dd657b1 | 27 | |
54c95892 | 28 | /* Names of "special" sections. */ |
3dd657b1 TR |
29 | #define _TEXT ".text" |
30 | #define _DATA ".data" | |
31 | #define _BSS ".bss" | |
32 | #define _PAD ".pad" | |
33 | #define _LOADER ".loader" | |
f94cac65 TR |
34 | #define _EXCEPT ".except" |
35 | #define _TYPCHK ".typchk" | |
3dd657b1 TR |
36 | |
37 | /* XCOFF uses a special .loader section with type STYP_LOADER. */ | |
38 | #define STYP_LOADER 0x1000 | |
39 | ||
40 | /* XCOFF uses a special .debug section with type STYP_DEBUG. */ | |
41 | #define STYP_DEBUG 0x2000 | |
42 | ||
43 | /* XCOFF handles line number or relocation overflow by creating | |
44 | another section header with STYP_OVRFLO set. */ | |
45 | #define STYP_OVRFLO 0x8000 | |
46 | ||
67fdeebe TR |
47 | /* Specifies an exception section. A section of this type provides |
48 | information to identify the reason that a trap or ececptin occured within | |
49 | and executable object program */ | |
50 | #define STYP_EXCEPT 0x0100 | |
51 | ||
52 | /* Specifies a type check section. A section of this type contains parameter | |
53 | argument type check strings used by the AIX binder. */ | |
54 | #define STYP_TYPCHK 0x4000 | |
55 | ||
3dd657b1 TR |
56 | #define RS6K_AOUTHDR_OMAGIC 0x0107 /* old: text & data writeable */ |
57 | #define RS6K_AOUTHDR_NMAGIC 0x0108 /* new: text r/o, data r/w */ | |
58 | #define RS6K_AOUTHDR_ZMAGIC 0x010B /* paged: text r/o, both page-aligned */ | |
59 | ||
3dd657b1 TR |
60 | /* XCOFF relocation types. |
61 | The relocations are described in the function | |
62 | xcoff[64]_ppc_relocate_section in coff64-rs6000.c and coff-rs6000.c */ | |
63 | ||
64 | #define R_POS (0x00) | |
65 | #define R_NEG (0x01) | |
66 | #define R_REL (0x02) | |
67 | #define R_TOC (0x03) | |
68 | #define R_RTB (0x04) | |
69 | #define R_GL (0x05) | |
70 | #define R_TCL (0x06) | |
71 | #define R_BA (0x08) | |
72 | #define R_BR (0x0a) | |
73 | #define R_RL (0x0c) | |
74 | #define R_RLA (0x0d) | |
75 | #define R_REF (0x0f) | |
76 | #define R_TRL (0x12) | |
77 | #define R_TRLA (0x13) | |
78 | #define R_RRTBI (0x14) | |
79 | #define R_RRTBA (0x15) | |
80 | #define R_CAI (0x16) | |
81 | #define R_CREL (0x17) | |
82 | #define R_RBA (0x18) | |
83 | #define R_RBAC (0x19) | |
84 | #define R_RBR (0x1a) | |
85 | #define R_RBRC (0x1b) | |
86 | ||
54c95892 TR |
87 | /* Storage class #defines, from /usr/include/storclass.h that are not already |
88 | defined in internal.h */ | |
3dd657b1 | 89 | |
54c95892 TR |
90 | /* Comment string in .info section */ |
91 | #define C_INFO 110 | |
3dd657b1 | 92 | |
54c95892 | 93 | /* Auxillary Symbol Entries */ |
3dd657b1 TR |
94 | |
95 | /* x_smtyp values: */ | |
3dd657b1 TR |
96 | #define SMTYP_ALIGN(x) ((x) >> 3) /* log2 of alignment */ |
97 | #define SMTYP_SMTYP(x) ((x) & 0x7) /* symbol type */ | |
98 | /* Symbol type values: */ | |
99 | #define XTY_ER 0 /* External reference */ | |
100 | #define XTY_SD 1 /* Csect definition */ | |
101 | #define XTY_LD 2 /* Label definition */ | |
102 | #define XTY_CM 3 /* .BSS */ | |
103 | #define XTY_EM 4 /* Error message */ | |
104 | #define XTY_US 5 /* "Reserved for internal use" */ | |
105 | ||
106 | /* x_smclas values: */ | |
3dd657b1 TR |
107 | #define XMC_PR 0 /* Read-only program code */ |
108 | #define XMC_RO 1 /* Read-only constant */ | |
109 | #define XMC_DB 2 /* Read-only debug dictionary table */ | |
110 | #define XMC_TC 3 /* Read-write general TOC entry */ | |
111 | #define XMC_UA 4 /* Read-write unclassified */ | |
112 | #define XMC_RW 5 /* Read-write data */ | |
113 | #define XMC_GL 6 /* Read-only global linkage */ | |
114 | #define XMC_XO 7 /* Read-only extended operation */ | |
115 | #define XMC_SV 8 /* Read-only supervisor call */ | |
116 | #define XMC_BS 9 /* Read-write BSS */ | |
117 | #define XMC_DS 10 /* Read-write descriptor csect */ | |
118 | #define XMC_UC 11 /* Read-write unnamed Fortran common */ | |
119 | #define XMC_TI 12 /* Read-only traceback index csect */ | |
120 | #define XMC_TB 13 /* Read-only traceback table csect */ | |
121 | /* 14 ??? */ | |
122 | #define XMC_TC0 15 /* Read-write TOC anchor */ | |
123 | #define XMC_TD 16 /* Read-write data in TOC */ | |
1fdf0249 TR |
124 | #define XMC_SV64 17 /* Read-only 64 bit supervisor call */ |
125 | #define XMC_SV3264 18 /* Read-only 32 or 64 bit supervisor call */ | |
3dd657b1 TR |
126 | |
127 | /* The ldhdr structure. This appears at the start of the .loader | |
128 | section. */ | |
129 | ||
130 | struct internal_ldhdr | |
131 | { | |
54c95892 TR |
132 | /* The version number: |
133 | 1 : 32 bit | |
134 | 2 : 64 bit */ | |
3dd657b1 | 135 | unsigned long l_version; |
54c95892 | 136 | |
3dd657b1 TR |
137 | /* The number of symbol table entries. */ |
138 | bfd_size_type l_nsyms; | |
54c95892 | 139 | |
3dd657b1 TR |
140 | /* The number of relocation table entries. */ |
141 | bfd_size_type l_nreloc; | |
54c95892 | 142 | |
3dd657b1 TR |
143 | /* The length of the import file string table. */ |
144 | bfd_size_type l_istlen; | |
54c95892 | 145 | |
3dd657b1 TR |
146 | /* The number of import files. */ |
147 | bfd_size_type l_nimpid; | |
54c95892 | 148 | |
3dd657b1 TR |
149 | /* The offset from the start of the .loader section to the first |
150 | entry in the import file table. */ | |
151 | bfd_size_type l_impoff; | |
54c95892 | 152 | |
3dd657b1 TR |
153 | /* The length of the string table. */ |
154 | bfd_size_type l_stlen; | |
54c95892 | 155 | |
3dd657b1 TR |
156 | /* The offset from the start of the .loader section to the first |
157 | entry in the string table. */ | |
158 | bfd_size_type l_stoff; | |
54c95892 | 159 | |
3dd657b1 TR |
160 | /* The offset to start of the symbol table, only in XCOFF64 */ |
161 | bfd_vma l_symoff; | |
54c95892 | 162 | |
3dd657b1 TR |
163 | /* The offset to the start of the relocation table, only in XCOFF64 */ |
164 | bfd_vma l_rldoff; | |
165 | }; | |
166 | ||
167 | /* The ldsym structure. This is used to represent a symbol in the | |
168 | .loader section. */ | |
169 | ||
170 | struct internal_ldsym | |
171 | { | |
172 | union | |
54c95892 TR |
173 | { |
174 | /* The symbol name if <= SYMNMLEN characters. */ | |
175 | char _l_name[SYMNMLEN]; | |
176 | struct | |
3dd657b1 | 177 | { |
54c95892 TR |
178 | /* Zero if the symbol name is more than SYMNMLEN characters. */ |
179 | long _l_zeroes; | |
180 | ||
181 | /* The offset in the string table if the symbol name is more | |
182 | than SYMNMLEN characters. */ | |
183 | long _l_offset; | |
184 | } | |
185 | _l_l; | |
186 | } | |
187 | _l; | |
188 | ||
3dd657b1 TR |
189 | /* The symbol value. */ |
190 | bfd_vma l_value; | |
54c95892 | 191 | |
3dd657b1 TR |
192 | /* The symbol section number. */ |
193 | short l_scnum; | |
54c95892 | 194 | |
3dd657b1 TR |
195 | /* The symbol type and flags. */ |
196 | char l_smtype; | |
54c95892 | 197 | |
3dd657b1 TR |
198 | /* The symbol storage class. */ |
199 | char l_smclas; | |
54c95892 | 200 | |
3dd657b1 TR |
201 | /* The import file ID. */ |
202 | bfd_size_type l_ifile; | |
54c95892 | 203 | |
3dd657b1 TR |
204 | /* Offset to the parameter type check string. */ |
205 | bfd_size_type l_parm; | |
206 | }; | |
207 | ||
208 | /* These flags are for the l_smtype field (the lower three bits are an | |
209 | XTY_* value). */ | |
210 | ||
211 | /* Imported symbol. */ | |
212 | #define L_IMPORT (0x40) | |
213 | /* Entry point. */ | |
214 | #define L_ENTRY (0x20) | |
215 | /* Exported symbol. */ | |
216 | #define L_EXPORT (0x10) | |
8602d4fe RS |
217 | /* Weak symbol. */ |
218 | #define L_WEAK (0x08) | |
3dd657b1 TR |
219 | |
220 | /* The ldrel structure. This is used to represent a reloc in the | |
221 | .loader section. */ | |
222 | ||
223 | struct internal_ldrel | |
224 | { | |
225 | /* The reloc address. */ | |
226 | bfd_vma l_vaddr; | |
54c95892 | 227 | |
3dd657b1 TR |
228 | /* The symbol table index in the .loader section symbol table. */ |
229 | bfd_size_type l_symndx; | |
54c95892 | 230 | |
3dd657b1 TR |
231 | /* The relocation type and size. */ |
232 | short l_rtype; | |
54c95892 | 233 | |
3dd657b1 TR |
234 | /* The section number this relocation applies to. */ |
235 | short l_rsecnm; | |
236 | }; | |
237 | ||
238 | /* An entry in the XCOFF linker hash table. */ | |
239 | struct xcoff_link_hash_entry | |
240 | { | |
241 | struct bfd_link_hash_entry root; | |
242 | ||
243 | /* Symbol index in output file. Set to -1 initially. Set to -2 if | |
244 | there is a reloc against this symbol. */ | |
245 | long indx; | |
246 | ||
247 | /* If we have created a TOC entry for this symbol, this is the .tc | |
248 | section which holds it. */ | |
249 | asection *toc_section; | |
250 | ||
251 | union | |
54c95892 TR |
252 | { |
253 | /* If we have created a TOC entry (the XCOFF_SET_TOC flag is | |
254 | set), this is the offset in toc_section. */ | |
255 | bfd_vma toc_offset; | |
256 | ||
257 | /* If the TOC entry comes from an input file, this is set to the | |
258 | symbol index of the C_HIDEXT XMC_TC or XMC_TD symbol. */ | |
259 | long toc_indx; | |
260 | } | |
261 | u; | |
3dd657b1 TR |
262 | |
263 | /* If this symbol is a function entry point which is called, this | |
264 | field holds a pointer to the function descriptor. If this symbol | |
265 | is a function descriptor, this field holds a pointer to the | |
266 | function entry point. */ | |
267 | struct xcoff_link_hash_entry *descriptor; | |
268 | ||
269 | /* The .loader symbol table entry, if there is one. */ | |
270 | struct internal_ldsym *ldsym; | |
271 | ||
272 | /* If XCOFF_BUILT_LDSYM is set, this is the .loader symbol table | |
273 | index. If XCOFF_BUILD_LDSYM is clear, and XCOFF_IMPORT is set, | |
274 | this is the l_ifile value. */ | |
275 | long ldindx; | |
276 | ||
277 | /* Some linker flags. */ | |
278 | unsigned long flags; | |
279 | ||
280 | /* The storage mapping class. */ | |
281 | unsigned char smclas; | |
282 | }; | |
283 | ||
54c95892 | 284 | /* Flags for xcoff_link_hash_entry. */ |
3dd657b1 | 285 | |
54c95892 | 286 | /* Symbol is referenced by a regular object. */ |
3dd657b1 | 287 | #define XCOFF_REF_REGULAR 0x00000001 |
54c95892 | 288 | /* Symbol is defined by a regular object. */ |
3dd657b1 | 289 | #define XCOFF_DEF_REGULAR 0x00000002 |
54c95892 | 290 | /* Symbol is defined by a dynamic object. */ |
3dd657b1 | 291 | #define XCOFF_DEF_DYNAMIC 0x00000004 |
54c95892 | 292 | /* Symbol is used in a reloc being copied into the .loader section. */ |
3dd657b1 | 293 | #define XCOFF_LDREL 0x00000008 |
54c95892 | 294 | /* Symbol is the entry point. */ |
3dd657b1 | 295 | #define XCOFF_ENTRY 0x00000010 |
858ef0ce RS |
296 | /* Symbol is for a function and is the target of a relocation. |
297 | The relocation may or may not be a branch-type relocation. */ | |
3dd657b1 | 298 | #define XCOFF_CALLED 0x00000020 |
54c95892 | 299 | /* Symbol needs the TOC entry filled in. */ |
3dd657b1 | 300 | #define XCOFF_SET_TOC 0x00000040 |
858ef0ce | 301 | /* Symbol is implicitly or explicitly imported. */ |
3dd657b1 | 302 | #define XCOFF_IMPORT 0x00000080 |
54c95892 | 303 | /* Symbol is explicitly exported. */ |
3dd657b1 | 304 | #define XCOFF_EXPORT 0x00000100 |
54c95892 | 305 | /* Symbol has been processed by xcoff_build_ldsyms. */ |
3dd657b1 | 306 | #define XCOFF_BUILT_LDSYM 0x00000200 |
54c95892 | 307 | /* Symbol is mentioned by a section which was not garbage collected. */ |
3dd657b1 | 308 | #define XCOFF_MARK 0x00000400 |
54c95892 | 309 | /* Symbol size is recorded in size_list list from hash table. */ |
3dd657b1 | 310 | #define XCOFF_HAS_SIZE 0x00000800 |
54c95892 | 311 | /* Symbol is a function descriptor. */ |
3dd657b1 | 312 | #define XCOFF_DESCRIPTOR 0x00001000 |
54c95892 | 313 | /* Multiple definitions have been for the symbol. */ |
3dd657b1 | 314 | #define XCOFF_MULTIPLY_DEFINED 0x00002000 |
54c95892 | 315 | /* Symbol is the __rtinit symbol. */ |
3dd657b1 | 316 | #define XCOFF_RTINIT 0x00004000 |
54c95892 | 317 | /* Symbol is an imported 32 bit syscall. */ |
1fdf0249 | 318 | #define XCOFF_SYSCALL32 0x00008000 |
54c95892 | 319 | /* Symbol is an imported 64 bit syscall. */ |
1fdf0249 | 320 | #define XCOFF_SYSCALL64 0x00010000 |
858ef0ce RS |
321 | /* Symbol was not explicitly defined by the time it was marked. */ |
322 | #define XCOFF_WAS_UNDEFINED 0x00020000 | |
5b49f6dc RS |
323 | /* We have assigned an output XCOFF entry to this symbol. */ |
324 | #define XCOFF_ALLOCATED 0x00040000 | |
3dd657b1 TR |
325 | |
326 | /* The XCOFF linker hash table. */ | |
327 | ||
328 | #define XCOFF_NUMBER_OF_SPECIAL_SECTIONS 6 | |
329 | #define XCOFF_SPECIAL_SECTION_TEXT 0 | |
330 | #define XCOFF_SPECIAL_SECTION_ETEXT 1 | |
331 | #define XCOFF_SPECIAL_SECTION_DATA 2 | |
332 | #define XCOFF_SPECIAL_SECTION_EDATA 3 | |
333 | #define XCOFF_SPECIAL_SECTION_END 4 | |
334 | #define XCOFF_SPECIAL_SECTION_END2 5 | |
335 | ||
336 | struct xcoff_link_hash_table | |
337 | { | |
338 | struct bfd_link_hash_table root; | |
339 | ||
340 | /* The .debug string hash table. We need to compute this while | |
341 | reading the input files, so that we know how large the .debug | |
342 | section will be before we assign section positions. */ | |
343 | struct bfd_strtab_hash *debug_strtab; | |
344 | ||
345 | /* The .debug section we will use for the final output. */ | |
346 | asection *debug_section; | |
347 | ||
348 | /* The .loader section we will use for the final output. */ | |
349 | asection *loader_section; | |
350 | ||
351 | /* A count of non TOC relative relocs which will need to be | |
352 | allocated in the .loader section. */ | |
353 | size_t ldrel_count; | |
354 | ||
355 | /* The .loader section header. */ | |
356 | struct internal_ldhdr ldhdr; | |
357 | ||
358 | /* The .gl section we use to hold global linkage code. */ | |
359 | asection *linkage_section; | |
360 | ||
361 | /* The .tc section we use to hold toc entries we build for global | |
362 | linkage code. */ | |
363 | asection *toc_section; | |
364 | ||
365 | /* The .ds section we use to hold function descriptors which we | |
366 | create for exported symbols. */ | |
367 | asection *descriptor_section; | |
368 | ||
369 | /* The list of import files. */ | |
370 | struct xcoff_import_file *imports; | |
371 | ||
372 | /* Required alignment of sections within the output file. */ | |
373 | unsigned long file_align; | |
374 | ||
375 | /* Whether the .text section must be read-only. */ | |
b34976b6 | 376 | bfd_boolean textro; |
3dd657b1 | 377 | |
858ef0ce RS |
378 | /* Whether -brtl was specified. */ |
379 | bfd_boolean rtld; | |
380 | ||
3dd657b1 | 381 | /* Whether garbage collection was done. */ |
b34976b6 | 382 | bfd_boolean gc; |
3dd657b1 TR |
383 | |
384 | /* A linked list of symbols for which we have size information. */ | |
385 | struct xcoff_link_size_list | |
54c95892 TR |
386 | { |
387 | struct xcoff_link_size_list *next; | |
388 | struct xcoff_link_hash_entry *h; | |
389 | bfd_size_type size; | |
390 | } | |
391 | *size_list; | |
3dd657b1 TR |
392 | |
393 | /* Magic sections: _text, _etext, _data, _edata, _end, end. */ | |
394 | asection *special_sections[XCOFF_NUMBER_OF_SPECIAL_SECTIONS]; | |
395 | }; | |
396 | ||
397 | ||
398 | /* This structure is used to pass information through | |
399 | xcoff_link_hash_traverse. */ | |
400 | ||
401 | struct xcoff_loader_info | |
402 | { | |
403 | /* Set if a problem occurred. */ | |
b34976b6 | 404 | bfd_boolean failed; |
54c95892 | 405 | |
3dd657b1 TR |
406 | /* Output BFD. */ |
407 | bfd *output_bfd; | |
54c95892 | 408 | |
3dd657b1 TR |
409 | /* Link information structure. */ |
410 | struct bfd_link_info *info; | |
54c95892 | 411 | |
3dd657b1 | 412 | /* Whether all defined symbols should be exported. */ |
b34976b6 | 413 | bfd_boolean export_defineds; |
54c95892 | 414 | |
3dd657b1 TR |
415 | /* Number of ldsym structures. */ |
416 | size_t ldsym_count; | |
54c95892 | 417 | |
3dd657b1 TR |
418 | /* Size of string table. */ |
419 | size_t string_size; | |
54c95892 | 420 | |
3dd657b1 | 421 | /* String table. */ |
f075ee0c | 422 | char *strings; |
54c95892 | 423 | |
3dd657b1 TR |
424 | /* Allocated size of string table. */ |
425 | size_t string_alc; | |
426 | }; | |
427 | ||
428 | /* In case we're on a 32-bit machine, construct a 64-bit "-1" value | |
429 | from smaller values. Start with zero, widen, *then* decrement. */ | |
2eda3bbc | 430 | #define MINUS_ONE (((bfd_vma) 0) - 1) |
3dd657b1 | 431 | |
54c95892 TR |
432 | /* __rtinit, from /usr/include/rtinit.h. */ |
433 | struct __rtinit | |
434 | { | |
435 | /* Pointer to runtime linker. | |
436 | XXX: Is the parameter really void? */ | |
a6f5b2c3 | 437 | int (*rtl) (void); |
54c95892 TR |
438 | |
439 | /* Offset to array of init functions, 0 if none. */ | |
440 | int init_offset; | |
441 | ||
442 | /* Offset to array of fini functions, 0 if none. */ | |
443 | int fini_offset; | |
3dd657b1 | 444 | |
54c95892 TR |
445 | /* Size of __RTINIT_DESCRIPTOR. This value should be used instead of |
446 | sizeof(__RTINIT_DESCRIPTOR). */ | |
447 | int __rtinit_descriptor_size; | |
3dd657b1 TR |
448 | }; |
449 | ||
450 | #define RTINIT_DESCRIPTOR_SIZE (12) | |
451 | ||
54c95892 TR |
452 | struct __rtinit_descriptor |
453 | { | |
454 | /* Init/fini function. */ | |
455 | int f; | |
3dd657b1 | 456 | |
54c95892 TR |
457 | /* Offset, relative to the start of the __rtinit symbol, to name of the |
458 | function. */ | |
3dd657b1 | 459 | |
54c95892 TR |
460 | int name_offset; |
461 | ||
462 | /* Flags */ | |
463 | unsigned char flags; | |
464 | }; | |
3dd657b1 | 465 | |
54c95892 | 466 | /* Archive */ |
3dd657b1 TR |
467 | |
468 | #define XCOFFARMAG "<aiaff>\012" | |
469 | #define XCOFFARMAGBIG "<bigaf>\012" | |
470 | #define SXCOFFARMAG 8 | |
471 | ||
2fff1126 TR |
472 | /* The size of the ascii archive elements */ |
473 | #define XCOFFARMAG_ELEMENT_SIZE 12 | |
474 | #define XCOFFARMAGBIG_ELEMENT_SIZE 20 | |
475 | ||
3dd657b1 TR |
476 | /* This terminates an XCOFF archive member name. */ |
477 | ||
478 | #define XCOFFARFMAG "`\012" | |
479 | #define SXCOFFARFMAG 2 | |
480 | ||
481 | /* XCOFF archives start with this (printable) structure. */ | |
482 | ||
483 | struct xcoff_ar_file_hdr | |
484 | { | |
485 | /* Magic string. */ | |
486 | char magic[SXCOFFARMAG]; | |
487 | ||
488 | /* Offset of the member table (decimal ASCII string). */ | |
2fff1126 | 489 | char memoff[XCOFFARMAG_ELEMENT_SIZE]; |
3dd657b1 TR |
490 | |
491 | /* Offset of the global symbol table (decimal ASCII string). */ | |
2fff1126 | 492 | char symoff[XCOFFARMAG_ELEMENT_SIZE]; |
3dd657b1 TR |
493 | |
494 | /* Offset of the first member in the archive (decimal ASCII string). */ | |
2fff1126 | 495 | char firstmemoff[XCOFFARMAG_ELEMENT_SIZE]; |
3dd657b1 TR |
496 | |
497 | /* Offset of the last member in the archive (decimal ASCII string). */ | |
2fff1126 | 498 | char lastmemoff[XCOFFARMAG_ELEMENT_SIZE]; |
3dd657b1 TR |
499 | |
500 | /* Offset of the first member on the free list (decimal ASCII | |
501 | string). */ | |
2fff1126 | 502 | char freeoff[XCOFFARMAG_ELEMENT_SIZE]; |
3dd657b1 TR |
503 | }; |
504 | ||
2fff1126 | 505 | #define SIZEOF_AR_FILE_HDR (SXCOFFARMAG + 5 * XCOFFARMAG_ELEMENT_SIZE) |
3dd657b1 TR |
506 | |
507 | /* This is the equivalent data structure for the big archive format. */ | |
508 | ||
509 | struct xcoff_ar_file_hdr_big | |
510 | { | |
511 | /* Magic string. */ | |
512 | char magic[SXCOFFARMAG]; | |
513 | ||
514 | /* Offset of the member table (decimal ASCII string). */ | |
2fff1126 | 515 | char memoff[XCOFFARMAGBIG_ELEMENT_SIZE]; |
3dd657b1 TR |
516 | |
517 | /* Offset of the global symbol table for 32-bit objects (decimal ASCII | |
518 | string). */ | |
2fff1126 | 519 | char symoff[XCOFFARMAGBIG_ELEMENT_SIZE]; |
3dd657b1 TR |
520 | |
521 | /* Offset of the global symbol table for 64-bit objects (decimal ASCII | |
522 | string). */ | |
2fff1126 | 523 | char symoff64[XCOFFARMAGBIG_ELEMENT_SIZE]; |
3dd657b1 TR |
524 | |
525 | /* Offset of the first member in the archive (decimal ASCII string). */ | |
2fff1126 | 526 | char firstmemoff[XCOFFARMAGBIG_ELEMENT_SIZE]; |
3dd657b1 TR |
527 | |
528 | /* Offset of the last member in the archive (decimal ASCII string). */ | |
2fff1126 | 529 | char lastmemoff[XCOFFARMAGBIG_ELEMENT_SIZE]; |
3dd657b1 TR |
530 | |
531 | /* Offset of the first member on the free list (decimal ASCII | |
532 | string). */ | |
2fff1126 | 533 | char freeoff[XCOFFARMAGBIG_ELEMENT_SIZE]; |
3dd657b1 TR |
534 | }; |
535 | ||
2fff1126 | 536 | #define SIZEOF_AR_FILE_HDR_BIG (SXCOFFARMAG + 6 * XCOFFARMAGBIG_ELEMENT_SIZE) |
3dd657b1 TR |
537 | |
538 | /* Each XCOFF archive member starts with this (printable) structure. */ | |
539 | ||
540 | struct xcoff_ar_hdr | |
541 | { | |
542 | /* File size not including the header (decimal ASCII string). */ | |
2fff1126 | 543 | char size[XCOFFARMAG_ELEMENT_SIZE]; |
3dd657b1 TR |
544 | |
545 | /* File offset of next archive member (decimal ASCII string). */ | |
2fff1126 | 546 | char nextoff[XCOFFARMAG_ELEMENT_SIZE]; |
3dd657b1 TR |
547 | |
548 | /* File offset of previous archive member (decimal ASCII string). */ | |
2fff1126 | 549 | char prevoff[XCOFFARMAG_ELEMENT_SIZE]; |
3dd657b1 TR |
550 | |
551 | /* File mtime (decimal ASCII string). */ | |
552 | char date[12]; | |
553 | ||
554 | /* File UID (decimal ASCII string). */ | |
555 | char uid[12]; | |
556 | ||
557 | /* File GID (decimal ASCII string). */ | |
558 | char gid[12]; | |
559 | ||
560 | /* File mode (octal ASCII string). */ | |
561 | char mode[12]; | |
562 | ||
563 | /* Length of file name (decimal ASCII string). */ | |
564 | char namlen[4]; | |
565 | ||
566 | /* This structure is followed by the file name. The length of the | |
567 | name is given in the namlen field. If the length of the name is | |
568 | odd, the name is followed by a null byte. The name and optional | |
569 | null byte are followed by XCOFFARFMAG, which is not included in | |
570 | namlen. The contents of the archive member follow; the number of | |
571 | bytes is given in the size field. */ | |
572 | }; | |
573 | ||
2fff1126 | 574 | #define SIZEOF_AR_HDR (3 * XCOFFARMAG_ELEMENT_SIZE + 4 * 12 + 4) |
3dd657b1 TR |
575 | |
576 | /* The equivalent for the big archive format. */ | |
577 | ||
578 | struct xcoff_ar_hdr_big | |
579 | { | |
580 | /* File size not including the header (decimal ASCII string). */ | |
2fff1126 | 581 | char size[XCOFFARMAGBIG_ELEMENT_SIZE]; |
3dd657b1 TR |
582 | |
583 | /* File offset of next archive member (decimal ASCII string). */ | |
2fff1126 | 584 | char nextoff[XCOFFARMAGBIG_ELEMENT_SIZE]; |
3dd657b1 TR |
585 | |
586 | /* File offset of previous archive member (decimal ASCII string). */ | |
2fff1126 | 587 | char prevoff[XCOFFARMAGBIG_ELEMENT_SIZE]; |
3dd657b1 TR |
588 | |
589 | /* File mtime (decimal ASCII string). */ | |
590 | char date[12]; | |
591 | ||
592 | /* File UID (decimal ASCII string). */ | |
593 | char uid[12]; | |
594 | ||
595 | /* File GID (decimal ASCII string). */ | |
596 | char gid[12]; | |
597 | ||
598 | /* File mode (octal ASCII string). */ | |
599 | char mode[12]; | |
600 | ||
601 | /* Length of file name (decimal ASCII string). */ | |
602 | char namlen[4]; | |
603 | ||
604 | /* This structure is followed by the file name. The length of the | |
605 | name is given in the namlen field. If the length of the name is | |
606 | odd, the name is followed by a null byte. The name and optional | |
607 | null byte are followed by XCOFFARFMAG, which is not included in | |
608 | namlen. The contents of the archive member follow; the number of | |
609 | bytes is given in the size field. */ | |
610 | }; | |
611 | ||
2fff1126 | 612 | #define SIZEOF_AR_HDR_BIG (3 * XCOFFARMAGBIG_ELEMENT_SIZE + 4 * 12 + 4) |
3dd657b1 TR |
613 | |
614 | /* We often have to distinguish between the old and big file format. | |
615 | Make it a bit cleaner. We can use `xcoff_ardata' here because the | |
2fff1126 | 616 | `hdr' member has the same size and position in both formats. |
b34976b6 | 617 | <bigaf> is the default format, return TRUE even when xcoff_ardata is |
2fff1126 | 618 | NULL. */ |
3e36d993 TR |
619 | #ifndef SMALL_ARCHIVE |
620 | /* Creates big archives by default */ | |
2fff1126 TR |
621 | #define xcoff_big_format_p(abfd) \ |
622 | ((NULL != bfd_ardata (abfd) && NULL == xcoff_ardata (abfd)) || \ | |
623 | ((NULL != bfd_ardata (abfd)) && \ | |
624 | (NULL != xcoff_ardata (abfd)) && \ | |
625 | (xcoff_ardata (abfd)->magic[1] == 'b'))) | |
3e36d993 TR |
626 | #else |
627 | /* Creates small archives by default. */ | |
3dd657b1 | 628 | #define xcoff_big_format_p(abfd) \ |
2fff1126 TR |
629 | (((NULL != bfd_ardata (abfd)) && \ |
630 | (NULL != xcoff_ardata (abfd)) && \ | |
3e36d993 TR |
631 | (xcoff_ardata (abfd)->magic[1] == 'b'))) |
632 | #endif | |
3dd657b1 TR |
633 | |
634 | /* We store a copy of the xcoff_ar_file_hdr in the tdata field of the | |
635 | artdata structure. Similar for the big archive. */ | |
636 | #define xcoff_ardata(abfd) \ | |
637 | ((struct xcoff_ar_file_hdr *) bfd_ardata (abfd)->tdata) | |
638 | #define xcoff_ardata_big(abfd) \ | |
639 | ((struct xcoff_ar_file_hdr_big *) bfd_ardata (abfd)->tdata) | |
640 | ||
641 | /* We store a copy of the xcoff_ar_hdr in the arelt_data field of an | |
642 | archive element. Similar for the big archive. */ | |
643 | #define arch_eltdata(bfd) ((struct areltdata *) ((bfd)->arelt_data)) | |
644 | #define arch_xhdr(bfd) \ | |
645 | ((struct xcoff_ar_hdr *) arch_eltdata (bfd)->arch_header) | |
646 | #define arch_xhdr_big(bfd) \ | |
647 | ((struct xcoff_ar_hdr_big *) arch_eltdata (bfd)->arch_header) | |
648 | ||
8602d4fe RS |
649 | /* True if symbols of class CLASS are external. */ |
650 | #define EXTERN_SYM_P(CLASS) \ | |
651 | ((CLASS) == C_EXT || (CLASS) == C_AIX_WEAKEXT) | |
652 | ||
3dd657b1 | 653 | #endif /* _INTERNAL_XCOFF_H */ |