Commit | Line | Data |
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3dd657b1 TR |
1 | /* Internal format of XCOFF object file data structures for BFD. |
2 | ||
a6f5b2c3 | 3 | Copyright 1995, 1996, 1997, 1998, 1999, 2000, 2001, 2002, 2003 |
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 | |
21 | Foundation, Inc., 59 Temple Place - Suite 330, Boston, MA 02111-1307, USA. */ | |
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) | |
217 | ||
218 | /* The ldrel structure. This is used to represent a reloc in the | |
219 | .loader section. */ | |
220 | ||
221 | struct internal_ldrel | |
222 | { | |
223 | /* The reloc address. */ | |
224 | bfd_vma l_vaddr; | |
54c95892 | 225 | |
3dd657b1 TR |
226 | /* The symbol table index in the .loader section symbol table. */ |
227 | bfd_size_type l_symndx; | |
54c95892 | 228 | |
3dd657b1 TR |
229 | /* The relocation type and size. */ |
230 | short l_rtype; | |
54c95892 | 231 | |
3dd657b1 TR |
232 | /* The section number this relocation applies to. */ |
233 | short l_rsecnm; | |
234 | }; | |
235 | ||
236 | /* An entry in the XCOFF linker hash table. */ | |
237 | struct xcoff_link_hash_entry | |
238 | { | |
239 | struct bfd_link_hash_entry root; | |
240 | ||
241 | /* Symbol index in output file. Set to -1 initially. Set to -2 if | |
242 | there is a reloc against this symbol. */ | |
243 | long indx; | |
244 | ||
245 | /* If we have created a TOC entry for this symbol, this is the .tc | |
246 | section which holds it. */ | |
247 | asection *toc_section; | |
248 | ||
249 | union | |
54c95892 TR |
250 | { |
251 | /* If we have created a TOC entry (the XCOFF_SET_TOC flag is | |
252 | set), this is the offset in toc_section. */ | |
253 | bfd_vma toc_offset; | |
254 | ||
255 | /* If the TOC entry comes from an input file, this is set to the | |
256 | symbol index of the C_HIDEXT XMC_TC or XMC_TD symbol. */ | |
257 | long toc_indx; | |
258 | } | |
259 | u; | |
3dd657b1 TR |
260 | |
261 | /* If this symbol is a function entry point which is called, this | |
262 | field holds a pointer to the function descriptor. If this symbol | |
263 | is a function descriptor, this field holds a pointer to the | |
264 | function entry point. */ | |
265 | struct xcoff_link_hash_entry *descriptor; | |
266 | ||
267 | /* The .loader symbol table entry, if there is one. */ | |
268 | struct internal_ldsym *ldsym; | |
269 | ||
270 | /* If XCOFF_BUILT_LDSYM is set, this is the .loader symbol table | |
271 | index. If XCOFF_BUILD_LDSYM is clear, and XCOFF_IMPORT is set, | |
272 | this is the l_ifile value. */ | |
273 | long ldindx; | |
274 | ||
275 | /* Some linker flags. */ | |
276 | unsigned long flags; | |
277 | ||
278 | /* The storage mapping class. */ | |
279 | unsigned char smclas; | |
280 | }; | |
281 | ||
54c95892 | 282 | /* Flags for xcoff_link_hash_entry. */ |
3dd657b1 | 283 | |
54c95892 | 284 | /* Symbol is referenced by a regular object. */ |
3dd657b1 | 285 | #define XCOFF_REF_REGULAR 0x00000001 |
54c95892 | 286 | /* Symbol is defined by a regular object. */ |
3dd657b1 | 287 | #define XCOFF_DEF_REGULAR 0x00000002 |
54c95892 | 288 | /* Symbol is defined by a dynamic object. */ |
3dd657b1 | 289 | #define XCOFF_DEF_DYNAMIC 0x00000004 |
54c95892 | 290 | /* Symbol is used in a reloc being copied into the .loader section. */ |
3dd657b1 | 291 | #define XCOFF_LDREL 0x00000008 |
54c95892 | 292 | /* Symbol is the entry point. */ |
3dd657b1 | 293 | #define XCOFF_ENTRY 0x00000010 |
54c95892 | 294 | /* Symbol is called; this is, it appears in a R_BR reloc. */ |
3dd657b1 | 295 | #define XCOFF_CALLED 0x00000020 |
54c95892 | 296 | /* Symbol needs the TOC entry filled in. */ |
3dd657b1 | 297 | #define XCOFF_SET_TOC 0x00000040 |
54c95892 | 298 | /* Symbol is explicitly imported. */ |
3dd657b1 | 299 | #define XCOFF_IMPORT 0x00000080 |
54c95892 | 300 | /* Symbol is explicitly exported. */ |
3dd657b1 | 301 | #define XCOFF_EXPORT 0x00000100 |
54c95892 | 302 | /* Symbol has been processed by xcoff_build_ldsyms. */ |
3dd657b1 | 303 | #define XCOFF_BUILT_LDSYM 0x00000200 |
54c95892 | 304 | /* Symbol is mentioned by a section which was not garbage collected. */ |
3dd657b1 | 305 | #define XCOFF_MARK 0x00000400 |
54c95892 | 306 | /* Symbol size is recorded in size_list list from hash table. */ |
3dd657b1 | 307 | #define XCOFF_HAS_SIZE 0x00000800 |
54c95892 | 308 | /* Symbol is a function descriptor. */ |
3dd657b1 | 309 | #define XCOFF_DESCRIPTOR 0x00001000 |
54c95892 | 310 | /* Multiple definitions have been for the symbol. */ |
3dd657b1 | 311 | #define XCOFF_MULTIPLY_DEFINED 0x00002000 |
54c95892 | 312 | /* Symbol is the __rtinit symbol. */ |
3dd657b1 | 313 | #define XCOFF_RTINIT 0x00004000 |
54c95892 | 314 | /* Symbol is an imported 32 bit syscall. */ |
1fdf0249 | 315 | #define XCOFF_SYSCALL32 0x00008000 |
54c95892 | 316 | /* Symbol is an imported 64 bit syscall. */ |
1fdf0249 | 317 | #define XCOFF_SYSCALL64 0x00010000 |
3dd657b1 TR |
318 | |
319 | /* The XCOFF linker hash table. */ | |
320 | ||
321 | #define XCOFF_NUMBER_OF_SPECIAL_SECTIONS 6 | |
322 | #define XCOFF_SPECIAL_SECTION_TEXT 0 | |
323 | #define XCOFF_SPECIAL_SECTION_ETEXT 1 | |
324 | #define XCOFF_SPECIAL_SECTION_DATA 2 | |
325 | #define XCOFF_SPECIAL_SECTION_EDATA 3 | |
326 | #define XCOFF_SPECIAL_SECTION_END 4 | |
327 | #define XCOFF_SPECIAL_SECTION_END2 5 | |
328 | ||
329 | struct xcoff_link_hash_table | |
330 | { | |
331 | struct bfd_link_hash_table root; | |
332 | ||
333 | /* The .debug string hash table. We need to compute this while | |
334 | reading the input files, so that we know how large the .debug | |
335 | section will be before we assign section positions. */ | |
336 | struct bfd_strtab_hash *debug_strtab; | |
337 | ||
338 | /* The .debug section we will use for the final output. */ | |
339 | asection *debug_section; | |
340 | ||
341 | /* The .loader section we will use for the final output. */ | |
342 | asection *loader_section; | |
343 | ||
344 | /* A count of non TOC relative relocs which will need to be | |
345 | allocated in the .loader section. */ | |
346 | size_t ldrel_count; | |
347 | ||
348 | /* The .loader section header. */ | |
349 | struct internal_ldhdr ldhdr; | |
350 | ||
351 | /* The .gl section we use to hold global linkage code. */ | |
352 | asection *linkage_section; | |
353 | ||
354 | /* The .tc section we use to hold toc entries we build for global | |
355 | linkage code. */ | |
356 | asection *toc_section; | |
357 | ||
358 | /* The .ds section we use to hold function descriptors which we | |
359 | create for exported symbols. */ | |
360 | asection *descriptor_section; | |
361 | ||
362 | /* The list of import files. */ | |
363 | struct xcoff_import_file *imports; | |
364 | ||
365 | /* Required alignment of sections within the output file. */ | |
366 | unsigned long file_align; | |
367 | ||
368 | /* Whether the .text section must be read-only. */ | |
b34976b6 | 369 | bfd_boolean textro; |
3dd657b1 TR |
370 | |
371 | /* Whether garbage collection was done. */ | |
b34976b6 | 372 | bfd_boolean gc; |
3dd657b1 TR |
373 | |
374 | /* A linked list of symbols for which we have size information. */ | |
375 | struct xcoff_link_size_list | |
54c95892 TR |
376 | { |
377 | struct xcoff_link_size_list *next; | |
378 | struct xcoff_link_hash_entry *h; | |
379 | bfd_size_type size; | |
380 | } | |
381 | *size_list; | |
3dd657b1 TR |
382 | |
383 | /* Magic sections: _text, _etext, _data, _edata, _end, end. */ | |
384 | asection *special_sections[XCOFF_NUMBER_OF_SPECIAL_SECTIONS]; | |
385 | }; | |
386 | ||
387 | ||
388 | /* This structure is used to pass information through | |
389 | xcoff_link_hash_traverse. */ | |
390 | ||
391 | struct xcoff_loader_info | |
392 | { | |
393 | /* Set if a problem occurred. */ | |
b34976b6 | 394 | bfd_boolean failed; |
54c95892 | 395 | |
3dd657b1 TR |
396 | /* Output BFD. */ |
397 | bfd *output_bfd; | |
54c95892 | 398 | |
3dd657b1 TR |
399 | /* Link information structure. */ |
400 | struct bfd_link_info *info; | |
54c95892 | 401 | |
3dd657b1 | 402 | /* Whether all defined symbols should be exported. */ |
b34976b6 | 403 | bfd_boolean export_defineds; |
54c95892 | 404 | |
3dd657b1 TR |
405 | /* Number of ldsym structures. */ |
406 | size_t ldsym_count; | |
54c95892 | 407 | |
3dd657b1 TR |
408 | /* Size of string table. */ |
409 | size_t string_size; | |
54c95892 | 410 | |
3dd657b1 TR |
411 | /* String table. */ |
412 | bfd_byte *strings; | |
54c95892 | 413 | |
3dd657b1 TR |
414 | /* Allocated size of string table. */ |
415 | size_t string_alc; | |
416 | }; | |
417 | ||
418 | /* In case we're on a 32-bit machine, construct a 64-bit "-1" value | |
419 | from smaller values. Start with zero, widen, *then* decrement. */ | |
2eda3bbc | 420 | #define MINUS_ONE (((bfd_vma) 0) - 1) |
3dd657b1 | 421 | |
54c95892 TR |
422 | /* __rtinit, from /usr/include/rtinit.h. */ |
423 | struct __rtinit | |
424 | { | |
425 | /* Pointer to runtime linker. | |
426 | XXX: Is the parameter really void? */ | |
a6f5b2c3 | 427 | int (*rtl) (void); |
54c95892 TR |
428 | |
429 | /* Offset to array of init functions, 0 if none. */ | |
430 | int init_offset; | |
431 | ||
432 | /* Offset to array of fini functions, 0 if none. */ | |
433 | int fini_offset; | |
3dd657b1 | 434 | |
54c95892 TR |
435 | /* Size of __RTINIT_DESCRIPTOR. This value should be used instead of |
436 | sizeof(__RTINIT_DESCRIPTOR). */ | |
437 | int __rtinit_descriptor_size; | |
3dd657b1 TR |
438 | }; |
439 | ||
440 | #define RTINIT_DESCRIPTOR_SIZE (12) | |
441 | ||
54c95892 TR |
442 | struct __rtinit_descriptor |
443 | { | |
444 | /* Init/fini function. */ | |
445 | int f; | |
3dd657b1 | 446 | |
54c95892 TR |
447 | /* Offset, relative to the start of the __rtinit symbol, to name of the |
448 | function. */ | |
3dd657b1 | 449 | |
54c95892 TR |
450 | int name_offset; |
451 | ||
452 | /* Flags */ | |
453 | unsigned char flags; | |
454 | }; | |
3dd657b1 | 455 | |
54c95892 | 456 | /* Archive */ |
3dd657b1 TR |
457 | |
458 | #define XCOFFARMAG "<aiaff>\012" | |
459 | #define XCOFFARMAGBIG "<bigaf>\012" | |
460 | #define SXCOFFARMAG 8 | |
461 | ||
2fff1126 TR |
462 | /* The size of the ascii archive elements */ |
463 | #define XCOFFARMAG_ELEMENT_SIZE 12 | |
464 | #define XCOFFARMAGBIG_ELEMENT_SIZE 20 | |
465 | ||
3dd657b1 TR |
466 | /* This terminates an XCOFF archive member name. */ |
467 | ||
468 | #define XCOFFARFMAG "`\012" | |
469 | #define SXCOFFARFMAG 2 | |
470 | ||
471 | /* XCOFF archives start with this (printable) structure. */ | |
472 | ||
473 | struct xcoff_ar_file_hdr | |
474 | { | |
475 | /* Magic string. */ | |
476 | char magic[SXCOFFARMAG]; | |
477 | ||
478 | /* Offset of the member table (decimal ASCII string). */ | |
2fff1126 | 479 | char memoff[XCOFFARMAG_ELEMENT_SIZE]; |
3dd657b1 TR |
480 | |
481 | /* Offset of the global symbol table (decimal ASCII string). */ | |
2fff1126 | 482 | char symoff[XCOFFARMAG_ELEMENT_SIZE]; |
3dd657b1 TR |
483 | |
484 | /* Offset of the first member in the archive (decimal ASCII string). */ | |
2fff1126 | 485 | char firstmemoff[XCOFFARMAG_ELEMENT_SIZE]; |
3dd657b1 TR |
486 | |
487 | /* Offset of the last member in the archive (decimal ASCII string). */ | |
2fff1126 | 488 | char lastmemoff[XCOFFARMAG_ELEMENT_SIZE]; |
3dd657b1 TR |
489 | |
490 | /* Offset of the first member on the free list (decimal ASCII | |
491 | string). */ | |
2fff1126 | 492 | char freeoff[XCOFFARMAG_ELEMENT_SIZE]; |
3dd657b1 TR |
493 | }; |
494 | ||
2fff1126 | 495 | #define SIZEOF_AR_FILE_HDR (SXCOFFARMAG + 5 * XCOFFARMAG_ELEMENT_SIZE) |
3dd657b1 TR |
496 | |
497 | /* This is the equivalent data structure for the big archive format. */ | |
498 | ||
499 | struct xcoff_ar_file_hdr_big | |
500 | { | |
501 | /* Magic string. */ | |
502 | char magic[SXCOFFARMAG]; | |
503 | ||
504 | /* Offset of the member table (decimal ASCII string). */ | |
2fff1126 | 505 | char memoff[XCOFFARMAGBIG_ELEMENT_SIZE]; |
3dd657b1 TR |
506 | |
507 | /* Offset of the global symbol table for 32-bit objects (decimal ASCII | |
508 | string). */ | |
2fff1126 | 509 | char symoff[XCOFFARMAGBIG_ELEMENT_SIZE]; |
3dd657b1 TR |
510 | |
511 | /* Offset of the global symbol table for 64-bit objects (decimal ASCII | |
512 | string). */ | |
2fff1126 | 513 | char symoff64[XCOFFARMAGBIG_ELEMENT_SIZE]; |
3dd657b1 TR |
514 | |
515 | /* Offset of the first member in the archive (decimal ASCII string). */ | |
2fff1126 | 516 | char firstmemoff[XCOFFARMAGBIG_ELEMENT_SIZE]; |
3dd657b1 TR |
517 | |
518 | /* Offset of the last member in the archive (decimal ASCII string). */ | |
2fff1126 | 519 | char lastmemoff[XCOFFARMAGBIG_ELEMENT_SIZE]; |
3dd657b1 TR |
520 | |
521 | /* Offset of the first member on the free list (decimal ASCII | |
522 | string). */ | |
2fff1126 | 523 | char freeoff[XCOFFARMAGBIG_ELEMENT_SIZE]; |
3dd657b1 TR |
524 | }; |
525 | ||
2fff1126 | 526 | #define SIZEOF_AR_FILE_HDR_BIG (SXCOFFARMAG + 6 * XCOFFARMAGBIG_ELEMENT_SIZE) |
3dd657b1 TR |
527 | |
528 | /* Each XCOFF archive member starts with this (printable) structure. */ | |
529 | ||
530 | struct xcoff_ar_hdr | |
531 | { | |
532 | /* File size not including the header (decimal ASCII string). */ | |
2fff1126 | 533 | char size[XCOFFARMAG_ELEMENT_SIZE]; |
3dd657b1 TR |
534 | |
535 | /* File offset of next archive member (decimal ASCII string). */ | |
2fff1126 | 536 | char nextoff[XCOFFARMAG_ELEMENT_SIZE]; |
3dd657b1 TR |
537 | |
538 | /* File offset of previous archive member (decimal ASCII string). */ | |
2fff1126 | 539 | char prevoff[XCOFFARMAG_ELEMENT_SIZE]; |
3dd657b1 TR |
540 | |
541 | /* File mtime (decimal ASCII string). */ | |
542 | char date[12]; | |
543 | ||
544 | /* File UID (decimal ASCII string). */ | |
545 | char uid[12]; | |
546 | ||
547 | /* File GID (decimal ASCII string). */ | |
548 | char gid[12]; | |
549 | ||
550 | /* File mode (octal ASCII string). */ | |
551 | char mode[12]; | |
552 | ||
553 | /* Length of file name (decimal ASCII string). */ | |
554 | char namlen[4]; | |
555 | ||
556 | /* This structure is followed by the file name. The length of the | |
557 | name is given in the namlen field. If the length of the name is | |
558 | odd, the name is followed by a null byte. The name and optional | |
559 | null byte are followed by XCOFFARFMAG, which is not included in | |
560 | namlen. The contents of the archive member follow; the number of | |
561 | bytes is given in the size field. */ | |
562 | }; | |
563 | ||
2fff1126 | 564 | #define SIZEOF_AR_HDR (3 * XCOFFARMAG_ELEMENT_SIZE + 4 * 12 + 4) |
3dd657b1 TR |
565 | |
566 | /* The equivalent for the big archive format. */ | |
567 | ||
568 | struct xcoff_ar_hdr_big | |
569 | { | |
570 | /* File size not including the header (decimal ASCII string). */ | |
2fff1126 | 571 | char size[XCOFFARMAGBIG_ELEMENT_SIZE]; |
3dd657b1 TR |
572 | |
573 | /* File offset of next archive member (decimal ASCII string). */ | |
2fff1126 | 574 | char nextoff[XCOFFARMAGBIG_ELEMENT_SIZE]; |
3dd657b1 TR |
575 | |
576 | /* File offset of previous archive member (decimal ASCII string). */ | |
2fff1126 | 577 | char prevoff[XCOFFARMAGBIG_ELEMENT_SIZE]; |
3dd657b1 TR |
578 | |
579 | /* File mtime (decimal ASCII string). */ | |
580 | char date[12]; | |
581 | ||
582 | /* File UID (decimal ASCII string). */ | |
583 | char uid[12]; | |
584 | ||
585 | /* File GID (decimal ASCII string). */ | |
586 | char gid[12]; | |
587 | ||
588 | /* File mode (octal ASCII string). */ | |
589 | char mode[12]; | |
590 | ||
591 | /* Length of file name (decimal ASCII string). */ | |
592 | char namlen[4]; | |
593 | ||
594 | /* This structure is followed by the file name. The length of the | |
595 | name is given in the namlen field. If the length of the name is | |
596 | odd, the name is followed by a null byte. The name and optional | |
597 | null byte are followed by XCOFFARFMAG, which is not included in | |
598 | namlen. The contents of the archive member follow; the number of | |
599 | bytes is given in the size field. */ | |
600 | }; | |
601 | ||
2fff1126 | 602 | #define SIZEOF_AR_HDR_BIG (3 * XCOFFARMAGBIG_ELEMENT_SIZE + 4 * 12 + 4) |
3dd657b1 TR |
603 | |
604 | /* We often have to distinguish between the old and big file format. | |
605 | Make it a bit cleaner. We can use `xcoff_ardata' here because the | |
2fff1126 | 606 | `hdr' member has the same size and position in both formats. |
b34976b6 | 607 | <bigaf> is the default format, return TRUE even when xcoff_ardata is |
2fff1126 | 608 | NULL. */ |
3e36d993 TR |
609 | #ifndef SMALL_ARCHIVE |
610 | /* Creates big archives by default */ | |
2fff1126 TR |
611 | #define xcoff_big_format_p(abfd) \ |
612 | ((NULL != bfd_ardata (abfd) && NULL == xcoff_ardata (abfd)) || \ | |
613 | ((NULL != bfd_ardata (abfd)) && \ | |
614 | (NULL != xcoff_ardata (abfd)) && \ | |
615 | (xcoff_ardata (abfd)->magic[1] == 'b'))) | |
3e36d993 TR |
616 | #else |
617 | /* Creates small archives by default. */ | |
3dd657b1 | 618 | #define xcoff_big_format_p(abfd) \ |
2fff1126 TR |
619 | (((NULL != bfd_ardata (abfd)) && \ |
620 | (NULL != xcoff_ardata (abfd)) && \ | |
3e36d993 TR |
621 | (xcoff_ardata (abfd)->magic[1] == 'b'))) |
622 | #endif | |
3dd657b1 TR |
623 | |
624 | /* We store a copy of the xcoff_ar_file_hdr in the tdata field of the | |
625 | artdata structure. Similar for the big archive. */ | |
626 | #define xcoff_ardata(abfd) \ | |
627 | ((struct xcoff_ar_file_hdr *) bfd_ardata (abfd)->tdata) | |
628 | #define xcoff_ardata_big(abfd) \ | |
629 | ((struct xcoff_ar_file_hdr_big *) bfd_ardata (abfd)->tdata) | |
630 | ||
631 | /* We store a copy of the xcoff_ar_hdr in the arelt_data field of an | |
632 | archive element. Similar for the big archive. */ | |
633 | #define arch_eltdata(bfd) ((struct areltdata *) ((bfd)->arelt_data)) | |
634 | #define arch_xhdr(bfd) \ | |
635 | ((struct xcoff_ar_hdr *) arch_eltdata (bfd)->arch_header) | |
636 | #define arch_xhdr_big(bfd) \ | |
637 | ((struct xcoff_ar_hdr_big *) arch_eltdata (bfd)->arch_header) | |
638 | ||
639 | #endif /* _INTERNAL_XCOFF_H */ |