Commit | Line | Data |
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3dd657b1 TR |
1 | /* Internal format of XCOFF object file data structures for BFD. |
2 | ||
250d07de | 3 | Copyright (C) 1995-2021 Free Software Foundation, Inc. |
3dd657b1 TR |
4 | Written by Ian Lance Taylor <ian@cygnus.com>, Cygnus Support. |
5 | ||
6 | This file is part of BFD, the Binary File Descriptor library. | |
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 | |
e4e42b45 | 10 | the Free Software Foundation; either version 3 of the License, or |
3dd657b1 TR |
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 | |
e4e42b45 NC |
20 | Foundation, Inc., 51 Franklin Street - Fifth Floor, Boston, |
21 | MA 02110-1301, USA. */ | |
3dd657b1 TR |
22 | |
23 | #ifndef _INTERNAL_XCOFF_H | |
24 | #define _INTERNAL_XCOFF_H | |
25 | ||
8db6dd6a TG |
26 | /* XCOFF specific f_flags. */ |
27 | ||
28 | /* File was profiled with fdpr. */ | |
29 | #define F_FDPR_PROF 0x0010 | |
30 | ||
31 | /* File was reordered with fdpr. */ | |
32 | #define F_FDPR_OPTI 0x0020 | |
33 | ||
34 | /* File use very large program support. */ | |
35 | #define F_DSA 0x0040 | |
36 | ||
37 | /* One aux header specifying medium page sizes is non-zero. */ | |
38 | #define F_VARPG 0x0100 | |
39 | ||
40 | /* Read/write sections are non-executable. */ | |
41 | #define F_NONEXEC 0x8000 | |
42 | ||
54c95892 | 43 | /* Linker */ |
3dd657b1 | 44 | |
54c95892 | 45 | /* Names of "special" sections. */ |
3dd657b1 TR |
46 | #define _TEXT ".text" |
47 | #define _DATA ".data" | |
48 | #define _BSS ".bss" | |
49 | #define _PAD ".pad" | |
50 | #define _LOADER ".loader" | |
f94cac65 TR |
51 | #define _EXCEPT ".except" |
52 | #define _TYPCHK ".typchk" | |
3dd657b1 | 53 | |
8db6dd6a TG |
54 | /* XCOFF uses special .dwXXX sections with the type STYP_DWARF. */ |
55 | #define STYP_DWARF 0x0010 | |
3dd657b1 | 56 | |
8db6dd6a TG |
57 | /* High-order 16-bits dwarf subtypes. */ |
58 | #define SSUBTYP_DWINFO 0x10000 | |
59 | #define SSUBTYP_DWLINE 0x20000 | |
60 | #define SSUBTYP_DWPBNMS 0x30000 | |
61 | #define SSUBTYP_DWPBTYP 0x40000 | |
62 | #define SSUBTYP_DWARNGE 0x50000 | |
63 | #define SSUBTYP_DWABREV 0x60000 | |
64 | #define SSUBTYP_DWSTR 0x70000 | |
65 | #define SSUBTYP_DWRNGES 0x80000 | |
3dd657b1 | 66 | |
8db6dd6a TG |
67 | /* XCOFF uses a special .loader section with type STYP_LOADER. */ |
68 | #define STYP_LOADER 0x1000 | |
3dd657b1 | 69 | |
67fdeebe TR |
70 | /* Specifies an exception section. A section of this type provides |
71 | information to identify the reason that a trap or ececptin occured within | |
72 | and executable object program */ | |
73 | #define STYP_EXCEPT 0x0100 | |
74 | ||
8db6dd6a TG |
75 | /* Specifies an initialized thread-local data section. */ |
76 | #define STYP_TDATA 0x0400 | |
77 | ||
78 | /* Specifies an uninitialized thread-local data section. */ | |
79 | #define STYP_TBSS 0x0800 | |
80 | ||
81 | /* XCOFF uses a special .debug section with type STYP_DEBUG. */ | |
82 | #define STYP_DEBUG 0x2000 | |
83 | ||
67fdeebe TR |
84 | /* Specifies a type check section. A section of this type contains parameter |
85 | argument type check strings used by the AIX binder. */ | |
86 | #define STYP_TYPCHK 0x4000 | |
87 | ||
8db6dd6a TG |
88 | /* XCOFF handles line number or relocation overflow by creating |
89 | another section header with STYP_OVRFLO set. */ | |
90 | #define STYP_OVRFLO 0x8000 | |
91 | ||
3dd657b1 TR |
92 | #define RS6K_AOUTHDR_OMAGIC 0x0107 /* old: text & data writeable */ |
93 | #define RS6K_AOUTHDR_NMAGIC 0x0108 /* new: text r/o, data r/w */ | |
94 | #define RS6K_AOUTHDR_ZMAGIC 0x010B /* paged: text r/o, both page-aligned */ | |
95 | ||
3dd657b1 TR |
96 | /* XCOFF relocation types. |
97 | The relocations are described in the function | |
98 | xcoff[64]_ppc_relocate_section in coff64-rs6000.c and coff-rs6000.c */ | |
99 | ||
2c1bef53 CC |
100 | #define R_POS (0x00) |
101 | #define R_NEG (0x01) | |
102 | #define R_REL (0x02) | |
103 | #define R_TOC (0x03) | |
104 | #define R_TRL (0x04) | |
105 | #define R_GL (0x05) | |
106 | #define R_TCL (0x06) | |
107 | #define R_BA (0x08) | |
108 | #define R_BR (0x0a) | |
109 | #define R_RL (0x0c) | |
110 | #define R_RLA (0x0d) | |
111 | #define R_REF (0x0f) | |
112 | #define R_TRLA (0x13) | |
113 | #define R_RRTBI (0x14) | |
114 | #define R_RRTBA (0x15) | |
115 | #define R_CAI (0x16) | |
116 | #define R_CREL (0x17) | |
117 | #define R_RBA (0x18) | |
118 | #define R_RBAC (0x19) | |
119 | #define R_RBR (0x1a) | |
120 | #define R_RBRC (0x1b) | |
121 | #define R_TLS (0x20) | |
8db6dd6a TG |
122 | #define R_TLS_IE (0x21) |
123 | #define R_TLS_LD (0x22) | |
124 | #define R_TLS_LE (0x23) | |
2c1bef53 CC |
125 | #define R_TLSM (0x24) |
126 | #define R_TLSML (0x25) | |
127 | #define R_TOCU (0x30) | |
128 | #define R_TOCL (0x31) | |
3dd657b1 | 129 | |
54c95892 TR |
130 | /* Storage class #defines, from /usr/include/storclass.h that are not already |
131 | defined in internal.h */ | |
3dd657b1 | 132 | |
54c95892 TR |
133 | /* Comment string in .info section */ |
134 | #define C_INFO 110 | |
3dd657b1 | 135 | |
8db6dd6a TG |
136 | /* Dwarf symbol. */ |
137 | #define C_DWARF 112 | |
138 | ||
54c95892 | 139 | /* Auxillary Symbol Entries */ |
3dd657b1 TR |
140 | |
141 | /* x_smtyp values: */ | |
3dd657b1 TR |
142 | #define SMTYP_ALIGN(x) ((x) >> 3) /* log2 of alignment */ |
143 | #define SMTYP_SMTYP(x) ((x) & 0x7) /* symbol type */ | |
144 | /* Symbol type values: */ | |
145 | #define XTY_ER 0 /* External reference */ | |
146 | #define XTY_SD 1 /* Csect definition */ | |
147 | #define XTY_LD 2 /* Label definition */ | |
148 | #define XTY_CM 3 /* .BSS */ | |
149 | #define XTY_EM 4 /* Error message */ | |
150 | #define XTY_US 5 /* "Reserved for internal use" */ | |
151 | ||
152 | /* x_smclas values: */ | |
3dd657b1 TR |
153 | #define XMC_PR 0 /* Read-only program code */ |
154 | #define XMC_RO 1 /* Read-only constant */ | |
155 | #define XMC_DB 2 /* Read-only debug dictionary table */ | |
156 | #define XMC_TC 3 /* Read-write general TOC entry */ | |
157 | #define XMC_UA 4 /* Read-write unclassified */ | |
158 | #define XMC_RW 5 /* Read-write data */ | |
159 | #define XMC_GL 6 /* Read-only global linkage */ | |
160 | #define XMC_XO 7 /* Read-only extended operation */ | |
161 | #define XMC_SV 8 /* Read-only supervisor call */ | |
162 | #define XMC_BS 9 /* Read-write BSS */ | |
163 | #define XMC_DS 10 /* Read-write descriptor csect */ | |
164 | #define XMC_UC 11 /* Read-write unnamed Fortran common */ | |
165 | #define XMC_TI 12 /* Read-only traceback index csect */ | |
166 | #define XMC_TB 13 /* Read-only traceback table csect */ | |
167 | /* 14 ??? */ | |
168 | #define XMC_TC0 15 /* Read-write TOC anchor */ | |
169 | #define XMC_TD 16 /* Read-write data in TOC */ | |
1fdf0249 TR |
170 | #define XMC_SV64 17 /* Read-only 64 bit supervisor call */ |
171 | #define XMC_SV3264 18 /* Read-only 32 or 64 bit supervisor call */ | |
9d3056cd TG |
172 | /* 19 ??? */ |
173 | #define XMC_TL 20 /* Read-write initialized TLS data */ | |
174 | #define XMC_TU 21 /* Read-write uninitialized TLS data */ | |
175 | #define XMC_TE 22 /* Same as XMC_TC but mapped after it */ | |
3dd657b1 TR |
176 | |
177 | /* The ldhdr structure. This appears at the start of the .loader | |
178 | section. */ | |
179 | ||
180 | struct internal_ldhdr | |
181 | { | |
54c95892 TR |
182 | /* The version number: |
183 | 1 : 32 bit | |
184 | 2 : 64 bit */ | |
3dd657b1 | 185 | unsigned long l_version; |
54c95892 | 186 | |
3dd657b1 TR |
187 | /* The number of symbol table entries. */ |
188 | bfd_size_type l_nsyms; | |
54c95892 | 189 | |
3dd657b1 TR |
190 | /* The number of relocation table entries. */ |
191 | bfd_size_type l_nreloc; | |
54c95892 | 192 | |
3dd657b1 TR |
193 | /* The length of the import file string table. */ |
194 | bfd_size_type l_istlen; | |
54c95892 | 195 | |
3dd657b1 TR |
196 | /* The number of import files. */ |
197 | bfd_size_type l_nimpid; | |
54c95892 | 198 | |
3dd657b1 TR |
199 | /* The offset from the start of the .loader section to the first |
200 | entry in the import file table. */ | |
201 | bfd_size_type l_impoff; | |
54c95892 | 202 | |
3dd657b1 TR |
203 | /* The length of the string table. */ |
204 | bfd_size_type l_stlen; | |
54c95892 | 205 | |
3dd657b1 TR |
206 | /* The offset from the start of the .loader section to the first |
207 | entry in the string table. */ | |
208 | bfd_size_type l_stoff; | |
54c95892 | 209 | |
3dd657b1 TR |
210 | /* The offset to start of the symbol table, only in XCOFF64 */ |
211 | bfd_vma l_symoff; | |
54c95892 | 212 | |
3dd657b1 TR |
213 | /* The offset to the start of the relocation table, only in XCOFF64 */ |
214 | bfd_vma l_rldoff; | |
215 | }; | |
216 | ||
217 | /* The ldsym structure. This is used to represent a symbol in the | |
218 | .loader section. */ | |
219 | ||
220 | struct internal_ldsym | |
221 | { | |
222 | union | |
54c95892 TR |
223 | { |
224 | /* The symbol name if <= SYMNMLEN characters. */ | |
225 | char _l_name[SYMNMLEN]; | |
226 | struct | |
3dd657b1 | 227 | { |
54c95892 TR |
228 | /* Zero if the symbol name is more than SYMNMLEN characters. */ |
229 | long _l_zeroes; | |
230 | ||
231 | /* The offset in the string table if the symbol name is more | |
232 | than SYMNMLEN characters. */ | |
233 | long _l_offset; | |
234 | } | |
235 | _l_l; | |
236 | } | |
237 | _l; | |
238 | ||
3dd657b1 TR |
239 | /* The symbol value. */ |
240 | bfd_vma l_value; | |
54c95892 | 241 | |
3dd657b1 TR |
242 | /* The symbol section number. */ |
243 | short l_scnum; | |
54c95892 | 244 | |
3dd657b1 TR |
245 | /* The symbol type and flags. */ |
246 | char l_smtype; | |
54c95892 | 247 | |
3dd657b1 TR |
248 | /* The symbol storage class. */ |
249 | char l_smclas; | |
54c95892 | 250 | |
3dd657b1 TR |
251 | /* The import file ID. */ |
252 | bfd_size_type l_ifile; | |
54c95892 | 253 | |
3dd657b1 TR |
254 | /* Offset to the parameter type check string. */ |
255 | bfd_size_type l_parm; | |
256 | }; | |
257 | ||
258 | /* These flags are for the l_smtype field (the lower three bits are an | |
259 | XTY_* value). */ | |
260 | ||
261 | /* Imported symbol. */ | |
262 | #define L_IMPORT (0x40) | |
263 | /* Entry point. */ | |
264 | #define L_ENTRY (0x20) | |
265 | /* Exported symbol. */ | |
266 | #define L_EXPORT (0x10) | |
8602d4fe RS |
267 | /* Weak symbol. */ |
268 | #define L_WEAK (0x08) | |
3dd657b1 TR |
269 | |
270 | /* The ldrel structure. This is used to represent a reloc in the | |
271 | .loader section. */ | |
272 | ||
273 | struct internal_ldrel | |
274 | { | |
275 | /* The reloc address. */ | |
276 | bfd_vma l_vaddr; | |
54c95892 | 277 | |
3dd657b1 TR |
278 | /* The symbol table index in the .loader section symbol table. */ |
279 | bfd_size_type l_symndx; | |
54c95892 | 280 | |
3dd657b1 TR |
281 | /* The relocation type and size. */ |
282 | short l_rtype; | |
54c95892 | 283 | |
3dd657b1 TR |
284 | /* The section number this relocation applies to. */ |
285 | short l_rsecnm; | |
286 | }; | |
287 | ||
288 | /* An entry in the XCOFF linker hash table. */ | |
289 | struct xcoff_link_hash_entry | |
290 | { | |
291 | struct bfd_link_hash_entry root; | |
292 | ||
293 | /* Symbol index in output file. Set to -1 initially. Set to -2 if | |
294 | there is a reloc against this symbol. */ | |
295 | long indx; | |
296 | ||
297 | /* If we have created a TOC entry for this symbol, this is the .tc | |
298 | section which holds it. */ | |
299 | asection *toc_section; | |
300 | ||
301 | union | |
54c95892 TR |
302 | { |
303 | /* If we have created a TOC entry (the XCOFF_SET_TOC flag is | |
304 | set), this is the offset in toc_section. */ | |
305 | bfd_vma toc_offset; | |
306 | ||
307 | /* If the TOC entry comes from an input file, this is set to the | |
308 | symbol index of the C_HIDEXT XMC_TC or XMC_TD symbol. */ | |
309 | long toc_indx; | |
310 | } | |
311 | u; | |
3dd657b1 TR |
312 | |
313 | /* If this symbol is a function entry point which is called, this | |
314 | field holds a pointer to the function descriptor. If this symbol | |
315 | is a function descriptor, this field holds a pointer to the | |
316 | function entry point. */ | |
317 | struct xcoff_link_hash_entry *descriptor; | |
318 | ||
319 | /* The .loader symbol table entry, if there is one. */ | |
320 | struct internal_ldsym *ldsym; | |
321 | ||
322 | /* If XCOFF_BUILT_LDSYM is set, this is the .loader symbol table | |
323 | index. If XCOFF_BUILD_LDSYM is clear, and XCOFF_IMPORT is set, | |
324 | this is the l_ifile value. */ | |
325 | long ldindx; | |
326 | ||
327 | /* Some linker flags. */ | |
328 | unsigned long flags; | |
329 | ||
330 | /* The storage mapping class. */ | |
331 | unsigned char smclas; | |
332 | }; | |
333 | ||
54c95892 | 334 | /* Flags for xcoff_link_hash_entry. */ |
3dd657b1 | 335 | |
54c95892 | 336 | /* Symbol is referenced by a regular object. */ |
3dd657b1 | 337 | #define XCOFF_REF_REGULAR 0x00000001 |
54c95892 | 338 | /* Symbol is defined by a regular object. */ |
3dd657b1 | 339 | #define XCOFF_DEF_REGULAR 0x00000002 |
54c95892 | 340 | /* Symbol is defined by a dynamic object. */ |
3dd657b1 | 341 | #define XCOFF_DEF_DYNAMIC 0x00000004 |
54c95892 | 342 | /* Symbol is used in a reloc being copied into the .loader section. */ |
3dd657b1 | 343 | #define XCOFF_LDREL 0x00000008 |
54c95892 | 344 | /* Symbol is the entry point. */ |
3dd657b1 | 345 | #define XCOFF_ENTRY 0x00000010 |
858ef0ce RS |
346 | /* Symbol is for a function and is the target of a relocation. |
347 | The relocation may or may not be a branch-type relocation. */ | |
3dd657b1 | 348 | #define XCOFF_CALLED 0x00000020 |
54c95892 | 349 | /* Symbol needs the TOC entry filled in. */ |
3dd657b1 | 350 | #define XCOFF_SET_TOC 0x00000040 |
858ef0ce | 351 | /* Symbol is implicitly or explicitly imported. */ |
3dd657b1 | 352 | #define XCOFF_IMPORT 0x00000080 |
54c95892 | 353 | /* Symbol is explicitly exported. */ |
3dd657b1 | 354 | #define XCOFF_EXPORT 0x00000100 |
54c95892 | 355 | /* Symbol has been processed by xcoff_build_ldsyms. */ |
3dd657b1 | 356 | #define XCOFF_BUILT_LDSYM 0x00000200 |
54c95892 | 357 | /* Symbol is mentioned by a section which was not garbage collected. */ |
3dd657b1 | 358 | #define XCOFF_MARK 0x00000400 |
54c95892 | 359 | /* Symbol size is recorded in size_list list from hash table. */ |
3dd657b1 | 360 | #define XCOFF_HAS_SIZE 0x00000800 |
54c95892 | 361 | /* Symbol is a function descriptor. */ |
3dd657b1 | 362 | #define XCOFF_DESCRIPTOR 0x00001000 |
54c95892 | 363 | /* Multiple definitions have been for the symbol. */ |
3dd657b1 | 364 | #define XCOFF_MULTIPLY_DEFINED 0x00002000 |
54c95892 | 365 | /* Symbol is the __rtinit symbol. */ |
3dd657b1 | 366 | #define XCOFF_RTINIT 0x00004000 |
54c95892 | 367 | /* Symbol is an imported 32 bit syscall. */ |
1fdf0249 | 368 | #define XCOFF_SYSCALL32 0x00008000 |
54c95892 | 369 | /* Symbol is an imported 64 bit syscall. */ |
1fdf0249 | 370 | #define XCOFF_SYSCALL64 0x00010000 |
858ef0ce RS |
371 | /* Symbol was not explicitly defined by the time it was marked. */ |
372 | #define XCOFF_WAS_UNDEFINED 0x00020000 | |
5b49f6dc RS |
373 | /* We have assigned an output XCOFF entry to this symbol. */ |
374 | #define XCOFF_ALLOCATED 0x00040000 | |
3dd657b1 TR |
375 | |
376 | /* The XCOFF linker hash table. */ | |
377 | ||
378 | #define XCOFF_NUMBER_OF_SPECIAL_SECTIONS 6 | |
379 | #define XCOFF_SPECIAL_SECTION_TEXT 0 | |
380 | #define XCOFF_SPECIAL_SECTION_ETEXT 1 | |
381 | #define XCOFF_SPECIAL_SECTION_DATA 2 | |
382 | #define XCOFF_SPECIAL_SECTION_EDATA 3 | |
383 | #define XCOFF_SPECIAL_SECTION_END 4 | |
384 | #define XCOFF_SPECIAL_SECTION_END2 5 | |
385 | ||
b64232cc RS |
386 | /* These flags indicate which of -bexpall and -bexpfull are in effect. */ |
387 | #define XCOFF_EXPALL 1 | |
388 | #define XCOFF_EXPFULL 2 | |
3dd657b1 TR |
389 | |
390 | /* This structure is used to pass information through | |
391 | xcoff_link_hash_traverse. */ | |
392 | ||
393 | struct xcoff_loader_info | |
394 | { | |
395 | /* Set if a problem occurred. */ | |
b34976b6 | 396 | bfd_boolean failed; |
54c95892 | 397 | |
3dd657b1 TR |
398 | /* Output BFD. */ |
399 | bfd *output_bfd; | |
54c95892 | 400 | |
3dd657b1 TR |
401 | /* Link information structure. */ |
402 | struct bfd_link_info *info; | |
54c95892 | 403 | |
b64232cc RS |
404 | /* A mask of XCOFF_EXPALL and XCOFF_EXPFULL flags. */ |
405 | unsigned int auto_export_flags; | |
54c95892 | 406 | |
3dd657b1 TR |
407 | /* Number of ldsym structures. */ |
408 | size_t ldsym_count; | |
54c95892 | 409 | |
3dd657b1 TR |
410 | /* Size of string table. */ |
411 | size_t string_size; | |
54c95892 | 412 | |
3dd657b1 | 413 | /* String table. */ |
f075ee0c | 414 | char *strings; |
54c95892 | 415 | |
3dd657b1 TR |
416 | /* Allocated size of string table. */ |
417 | size_t string_alc; | |
418 | }; | |
419 | ||
420 | /* In case we're on a 32-bit machine, construct a 64-bit "-1" value | |
421 | from smaller values. Start with zero, widen, *then* decrement. */ | |
2eda3bbc | 422 | #define MINUS_ONE (((bfd_vma) 0) - 1) |
3dd657b1 | 423 | |
54c95892 TR |
424 | /* __rtinit, from /usr/include/rtinit.h. */ |
425 | struct __rtinit | |
426 | { | |
427 | /* Pointer to runtime linker. | |
428 | XXX: Is the parameter really void? */ | |
a6f5b2c3 | 429 | int (*rtl) (void); |
54c95892 TR |
430 | |
431 | /* Offset to array of init functions, 0 if none. */ | |
432 | int init_offset; | |
433 | ||
434 | /* Offset to array of fini functions, 0 if none. */ | |
435 | int fini_offset; | |
3dd657b1 | 436 | |
54c95892 TR |
437 | /* Size of __RTINIT_DESCRIPTOR. This value should be used instead of |
438 | sizeof(__RTINIT_DESCRIPTOR). */ | |
439 | int __rtinit_descriptor_size; | |
3dd657b1 TR |
440 | }; |
441 | ||
442 | #define RTINIT_DESCRIPTOR_SIZE (12) | |
443 | ||
54c95892 TR |
444 | struct __rtinit_descriptor |
445 | { | |
446 | /* Init/fini function. */ | |
447 | int f; | |
3dd657b1 | 448 | |
54c95892 TR |
449 | /* Offset, relative to the start of the __rtinit symbol, to name of the |
450 | function. */ | |
3dd657b1 | 451 | |
54c95892 TR |
452 | int name_offset; |
453 | ||
454 | /* Flags */ | |
455 | unsigned char flags; | |
456 | }; | |
3dd657b1 | 457 | |
54c95892 | 458 | /* Archive */ |
3dd657b1 TR |
459 | |
460 | #define XCOFFARMAG "<aiaff>\012" | |
461 | #define XCOFFARMAGBIG "<bigaf>\012" | |
462 | #define SXCOFFARMAG 8 | |
463 | ||
2fff1126 TR |
464 | /* The size of the ascii archive elements */ |
465 | #define XCOFFARMAG_ELEMENT_SIZE 12 | |
466 | #define XCOFFARMAGBIG_ELEMENT_SIZE 20 | |
467 | ||
3dd657b1 TR |
468 | /* This terminates an XCOFF archive member name. */ |
469 | ||
470 | #define XCOFFARFMAG "`\012" | |
471 | #define SXCOFFARFMAG 2 | |
472 | ||
473 | /* XCOFF archives start with this (printable) structure. */ | |
474 | ||
475 | struct xcoff_ar_file_hdr | |
476 | { | |
477 | /* Magic string. */ | |
478 | char magic[SXCOFFARMAG]; | |
479 | ||
480 | /* Offset of the member table (decimal ASCII string). */ | |
2fff1126 | 481 | char memoff[XCOFFARMAG_ELEMENT_SIZE]; |
3dd657b1 TR |
482 | |
483 | /* Offset of the global symbol table (decimal ASCII string). */ | |
2fff1126 | 484 | char symoff[XCOFFARMAG_ELEMENT_SIZE]; |
3dd657b1 TR |
485 | |
486 | /* Offset of the first member in the archive (decimal ASCII string). */ | |
2fff1126 | 487 | char firstmemoff[XCOFFARMAG_ELEMENT_SIZE]; |
3dd657b1 TR |
488 | |
489 | /* Offset of the last member in the archive (decimal ASCII string). */ | |
2fff1126 | 490 | char lastmemoff[XCOFFARMAG_ELEMENT_SIZE]; |
3dd657b1 TR |
491 | |
492 | /* Offset of the first member on the free list (decimal ASCII | |
493 | string). */ | |
2fff1126 | 494 | char freeoff[XCOFFARMAG_ELEMENT_SIZE]; |
3dd657b1 TR |
495 | }; |
496 | ||
2fff1126 | 497 | #define SIZEOF_AR_FILE_HDR (SXCOFFARMAG + 5 * XCOFFARMAG_ELEMENT_SIZE) |
3dd657b1 TR |
498 | |
499 | /* This is the equivalent data structure for the big archive format. */ | |
500 | ||
501 | struct xcoff_ar_file_hdr_big | |
502 | { | |
503 | /* Magic string. */ | |
504 | char magic[SXCOFFARMAG]; | |
505 | ||
506 | /* Offset of the member table (decimal ASCII string). */ | |
2fff1126 | 507 | char memoff[XCOFFARMAGBIG_ELEMENT_SIZE]; |
3dd657b1 TR |
508 | |
509 | /* Offset of the global symbol table for 32-bit objects (decimal ASCII | |
510 | string). */ | |
2fff1126 | 511 | char symoff[XCOFFARMAGBIG_ELEMENT_SIZE]; |
3dd657b1 TR |
512 | |
513 | /* Offset of the global symbol table for 64-bit objects (decimal ASCII | |
514 | string). */ | |
2fff1126 | 515 | char symoff64[XCOFFARMAGBIG_ELEMENT_SIZE]; |
3dd657b1 TR |
516 | |
517 | /* Offset of the first member in the archive (decimal ASCII string). */ | |
2fff1126 | 518 | char firstmemoff[XCOFFARMAGBIG_ELEMENT_SIZE]; |
3dd657b1 TR |
519 | |
520 | /* Offset of the last member in the archive (decimal ASCII string). */ | |
2fff1126 | 521 | char lastmemoff[XCOFFARMAGBIG_ELEMENT_SIZE]; |
3dd657b1 TR |
522 | |
523 | /* Offset of the first member on the free list (decimal ASCII | |
524 | string). */ | |
2fff1126 | 525 | char freeoff[XCOFFARMAGBIG_ELEMENT_SIZE]; |
3dd657b1 TR |
526 | }; |
527 | ||
2fff1126 | 528 | #define SIZEOF_AR_FILE_HDR_BIG (SXCOFFARMAG + 6 * XCOFFARMAGBIG_ELEMENT_SIZE) |
3dd657b1 TR |
529 | |
530 | /* Each XCOFF archive member starts with this (printable) structure. */ | |
531 | ||
532 | struct xcoff_ar_hdr | |
533 | { | |
534 | /* File size not including the header (decimal ASCII string). */ | |
2fff1126 | 535 | char size[XCOFFARMAG_ELEMENT_SIZE]; |
3dd657b1 TR |
536 | |
537 | /* File offset of next archive member (decimal ASCII string). */ | |
2fff1126 | 538 | char nextoff[XCOFFARMAG_ELEMENT_SIZE]; |
3dd657b1 TR |
539 | |
540 | /* File offset of previous archive member (decimal ASCII string). */ | |
2fff1126 | 541 | char prevoff[XCOFFARMAG_ELEMENT_SIZE]; |
3dd657b1 TR |
542 | |
543 | /* File mtime (decimal ASCII string). */ | |
544 | char date[12]; | |
545 | ||
546 | /* File UID (decimal ASCII string). */ | |
547 | char uid[12]; | |
548 | ||
549 | /* File GID (decimal ASCII string). */ | |
550 | char gid[12]; | |
551 | ||
552 | /* File mode (octal ASCII string). */ | |
553 | char mode[12]; | |
554 | ||
555 | /* Length of file name (decimal ASCII string). */ | |
556 | char namlen[4]; | |
557 | ||
558 | /* This structure is followed by the file name. The length of the | |
559 | name is given in the namlen field. If the length of the name is | |
560 | odd, the name is followed by a null byte. The name and optional | |
561 | null byte are followed by XCOFFARFMAG, which is not included in | |
562 | namlen. The contents of the archive member follow; the number of | |
563 | bytes is given in the size field. */ | |
564 | }; | |
565 | ||
2fff1126 | 566 | #define SIZEOF_AR_HDR (3 * XCOFFARMAG_ELEMENT_SIZE + 4 * 12 + 4) |
3dd657b1 TR |
567 | |
568 | /* The equivalent for the big archive format. */ | |
569 | ||
570 | struct xcoff_ar_hdr_big | |
571 | { | |
572 | /* File size not including the header (decimal ASCII string). */ | |
2fff1126 | 573 | char size[XCOFFARMAGBIG_ELEMENT_SIZE]; |
3dd657b1 TR |
574 | |
575 | /* File offset of next archive member (decimal ASCII string). */ | |
2fff1126 | 576 | char nextoff[XCOFFARMAGBIG_ELEMENT_SIZE]; |
3dd657b1 TR |
577 | |
578 | /* File offset of previous archive member (decimal ASCII string). */ | |
2fff1126 | 579 | char prevoff[XCOFFARMAGBIG_ELEMENT_SIZE]; |
3dd657b1 TR |
580 | |
581 | /* File mtime (decimal ASCII string). */ | |
582 | char date[12]; | |
583 | ||
584 | /* File UID (decimal ASCII string). */ | |
585 | char uid[12]; | |
586 | ||
587 | /* File GID (decimal ASCII string). */ | |
588 | char gid[12]; | |
589 | ||
590 | /* File mode (octal ASCII string). */ | |
591 | char mode[12]; | |
592 | ||
593 | /* Length of file name (decimal ASCII string). */ | |
594 | char namlen[4]; | |
595 | ||
596 | /* This structure is followed by the file name. The length of the | |
597 | name is given in the namlen field. If the length of the name is | |
598 | odd, the name is followed by a null byte. The name and optional | |
599 | null byte are followed by XCOFFARFMAG, which is not included in | |
600 | namlen. The contents of the archive member follow; the number of | |
601 | bytes is given in the size field. */ | |
602 | }; | |
603 | ||
2fff1126 | 604 | #define SIZEOF_AR_HDR_BIG (3 * XCOFFARMAGBIG_ELEMENT_SIZE + 4 * 12 + 4) |
3dd657b1 TR |
605 | |
606 | /* We often have to distinguish between the old and big file format. | |
607 | Make it a bit cleaner. We can use `xcoff_ardata' here because the | |
2fff1126 | 608 | `hdr' member has the same size and position in both formats. |
b34976b6 | 609 | <bigaf> is the default format, return TRUE even when xcoff_ardata is |
2fff1126 | 610 | NULL. */ |
3e36d993 TR |
611 | #ifndef SMALL_ARCHIVE |
612 | /* Creates big archives by default */ | |
2fff1126 TR |
613 | #define xcoff_big_format_p(abfd) \ |
614 | ((NULL != bfd_ardata (abfd) && NULL == xcoff_ardata (abfd)) || \ | |
615 | ((NULL != bfd_ardata (abfd)) && \ | |
616 | (NULL != xcoff_ardata (abfd)) && \ | |
617 | (xcoff_ardata (abfd)->magic[1] == 'b'))) | |
3e36d993 TR |
618 | #else |
619 | /* Creates small archives by default. */ | |
3dd657b1 | 620 | #define xcoff_big_format_p(abfd) \ |
2fff1126 TR |
621 | (((NULL != bfd_ardata (abfd)) && \ |
622 | (NULL != xcoff_ardata (abfd)) && \ | |
3e36d993 TR |
623 | (xcoff_ardata (abfd)->magic[1] == 'b'))) |
624 | #endif | |
3dd657b1 TR |
625 | |
626 | /* We store a copy of the xcoff_ar_file_hdr in the tdata field of the | |
627 | artdata structure. Similar for the big archive. */ | |
628 | #define xcoff_ardata(abfd) \ | |
629 | ((struct xcoff_ar_file_hdr *) bfd_ardata (abfd)->tdata) | |
630 | #define xcoff_ardata_big(abfd) \ | |
631 | ((struct xcoff_ar_file_hdr_big *) bfd_ardata (abfd)->tdata) | |
632 | ||
633 | /* We store a copy of the xcoff_ar_hdr in the arelt_data field of an | |
634 | archive element. Similar for the big archive. */ | |
635 | #define arch_eltdata(bfd) ((struct areltdata *) ((bfd)->arelt_data)) | |
636 | #define arch_xhdr(bfd) \ | |
637 | ((struct xcoff_ar_hdr *) arch_eltdata (bfd)->arch_header) | |
638 | #define arch_xhdr_big(bfd) \ | |
639 | ((struct xcoff_ar_hdr_big *) arch_eltdata (bfd)->arch_header) | |
640 | ||
8602d4fe RS |
641 | /* True if symbols of class CLASS are external. */ |
642 | #define EXTERN_SYM_P(CLASS) \ | |
643 | ((CLASS) == C_EXT || (CLASS) == C_AIX_WEAKEXT) | |
644 | ||
3dd657b1 | 645 | #endif /* _INTERNAL_XCOFF_H */ |