Commit | Line | Data |
---|---|---|
3dd657b1 TR |
1 | /* Internal format of XCOFF object file data structures for BFD. |
2 | ||
aa820537 | 3 | Copyright 1995, 1996, 1997, 1998, 1999, 2000, 2001, 2002, 2003, 2005, |
e4e42b45 | 4 | 2009, 2010 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 | |
e4e42b45 | 11 | the Free Software Foundation; either version 3 of the License, or |
3dd657b1 TR |
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 | |
e4e42b45 NC |
21 | Foundation, Inc., 51 Franklin Street - Fifth Floor, Boston, |
22 | MA 02110-1301, USA. */ | |
3dd657b1 TR |
23 | |
24 | #ifndef _INTERNAL_XCOFF_H | |
25 | #define _INTERNAL_XCOFF_H | |
26 | ||
8db6dd6a TG |
27 | /* XCOFF specific f_flags. */ |
28 | ||
29 | /* File was profiled with fdpr. */ | |
30 | #define F_FDPR_PROF 0x0010 | |
31 | ||
32 | /* File was reordered with fdpr. */ | |
33 | #define F_FDPR_OPTI 0x0020 | |
34 | ||
35 | /* File use very large program support. */ | |
36 | #define F_DSA 0x0040 | |
37 | ||
38 | /* One aux header specifying medium page sizes is non-zero. */ | |
39 | #define F_VARPG 0x0100 | |
40 | ||
41 | /* Read/write sections are non-executable. */ | |
42 | #define F_NONEXEC 0x8000 | |
43 | ||
54c95892 | 44 | /* Linker */ |
3dd657b1 | 45 | |
54c95892 | 46 | /* Names of "special" sections. */ |
3dd657b1 TR |
47 | #define _TEXT ".text" |
48 | #define _DATA ".data" | |
49 | #define _BSS ".bss" | |
50 | #define _PAD ".pad" | |
51 | #define _LOADER ".loader" | |
f94cac65 TR |
52 | #define _EXCEPT ".except" |
53 | #define _TYPCHK ".typchk" | |
3dd657b1 | 54 | |
8db6dd6a TG |
55 | /* XCOFF uses special .dwXXX sections with the type STYP_DWARF. */ |
56 | #define STYP_DWARF 0x0010 | |
3dd657b1 | 57 | |
8db6dd6a TG |
58 | /* High-order 16-bits dwarf subtypes. */ |
59 | #define SSUBTYP_DWINFO 0x10000 | |
60 | #define SSUBTYP_DWLINE 0x20000 | |
61 | #define SSUBTYP_DWPBNMS 0x30000 | |
62 | #define SSUBTYP_DWPBTYP 0x40000 | |
63 | #define SSUBTYP_DWARNGE 0x50000 | |
64 | #define SSUBTYP_DWABREV 0x60000 | |
65 | #define SSUBTYP_DWSTR 0x70000 | |
66 | #define SSUBTYP_DWRNGES 0x80000 | |
3dd657b1 | 67 | |
8db6dd6a TG |
68 | /* XCOFF uses a special .loader section with type STYP_LOADER. */ |
69 | #define STYP_LOADER 0x1000 | |
3dd657b1 | 70 | |
67fdeebe TR |
71 | /* Specifies an exception section. A section of this type provides |
72 | information to identify the reason that a trap or ececptin occured within | |
73 | and executable object program */ | |
74 | #define STYP_EXCEPT 0x0100 | |
75 | ||
8db6dd6a TG |
76 | /* Specifies an initialized thread-local data section. */ |
77 | #define STYP_TDATA 0x0400 | |
78 | ||
79 | /* Specifies an uninitialized thread-local data section. */ | |
80 | #define STYP_TBSS 0x0800 | |
81 | ||
82 | /* XCOFF uses a special .debug section with type STYP_DEBUG. */ | |
83 | #define STYP_DEBUG 0x2000 | |
84 | ||
67fdeebe TR |
85 | /* Specifies a type check section. A section of this type contains parameter |
86 | argument type check strings used by the AIX binder. */ | |
87 | #define STYP_TYPCHK 0x4000 | |
88 | ||
8db6dd6a TG |
89 | /* XCOFF handles line number or relocation overflow by creating |
90 | another section header with STYP_OVRFLO set. */ | |
91 | #define STYP_OVRFLO 0x8000 | |
92 | ||
3dd657b1 TR |
93 | #define RS6K_AOUTHDR_OMAGIC 0x0107 /* old: text & data writeable */ |
94 | #define RS6K_AOUTHDR_NMAGIC 0x0108 /* new: text r/o, data r/w */ | |
95 | #define RS6K_AOUTHDR_ZMAGIC 0x010B /* paged: text r/o, both page-aligned */ | |
96 | ||
3dd657b1 TR |
97 | /* XCOFF relocation types. |
98 | The relocations are described in the function | |
99 | xcoff[64]_ppc_relocate_section in coff64-rs6000.c and coff-rs6000.c */ | |
100 | ||
101 | #define R_POS (0x00) | |
102 | #define R_NEG (0x01) | |
103 | #define R_REL (0x02) | |
104 | #define R_TOC (0x03) | |
105 | #define R_RTB (0x04) | |
106 | #define R_GL (0x05) | |
107 | #define R_TCL (0x06) | |
108 | #define R_BA (0x08) | |
109 | #define R_BR (0x0a) | |
110 | #define R_RL (0x0c) | |
111 | #define R_RLA (0x0d) | |
112 | #define R_REF (0x0f) | |
113 | #define R_TRL (0x12) | |
114 | #define R_TRLA (0x13) | |
115 | #define R_RRTBI (0x14) | |
116 | #define R_RRTBA (0x15) | |
117 | #define R_CAI (0x16) | |
118 | #define R_CREL (0x17) | |
119 | #define R_RBA (0x18) | |
120 | #define R_RBAC (0x19) | |
121 | #define R_RBR (0x1a) | |
122 | #define R_RBRC (0x1b) | |
8db6dd6a TG |
123 | #define R_TLS (0x20) |
124 | #define R_TLS_IE (0x21) | |
125 | #define R_TLS_LD (0x22) | |
126 | #define R_TLS_LE (0x23) | |
127 | #define R_TLSM (0x24) | |
128 | #define R_TLSML (0x25) | |
129 | #define R_TOCU (0x30) | |
130 | #define R_TOCL (0x31) | |
3dd657b1 | 131 | |
54c95892 TR |
132 | /* Storage class #defines, from /usr/include/storclass.h that are not already |
133 | defined in internal.h */ | |
3dd657b1 | 134 | |
54c95892 TR |
135 | /* Comment string in .info section */ |
136 | #define C_INFO 110 | |
3dd657b1 | 137 | |
8db6dd6a TG |
138 | /* Dwarf symbol. */ |
139 | #define C_DWARF 112 | |
140 | ||
54c95892 | 141 | /* Auxillary Symbol Entries */ |
3dd657b1 TR |
142 | |
143 | /* x_smtyp values: */ | |
3dd657b1 TR |
144 | #define SMTYP_ALIGN(x) ((x) >> 3) /* log2 of alignment */ |
145 | #define SMTYP_SMTYP(x) ((x) & 0x7) /* symbol type */ | |
146 | /* Symbol type values: */ | |
147 | #define XTY_ER 0 /* External reference */ | |
148 | #define XTY_SD 1 /* Csect definition */ | |
149 | #define XTY_LD 2 /* Label definition */ | |
150 | #define XTY_CM 3 /* .BSS */ | |
151 | #define XTY_EM 4 /* Error message */ | |
152 | #define XTY_US 5 /* "Reserved for internal use" */ | |
153 | ||
154 | /* x_smclas values: */ | |
3dd657b1 TR |
155 | #define XMC_PR 0 /* Read-only program code */ |
156 | #define XMC_RO 1 /* Read-only constant */ | |
157 | #define XMC_DB 2 /* Read-only debug dictionary table */ | |
158 | #define XMC_TC 3 /* Read-write general TOC entry */ | |
159 | #define XMC_UA 4 /* Read-write unclassified */ | |
160 | #define XMC_RW 5 /* Read-write data */ | |
161 | #define XMC_GL 6 /* Read-only global linkage */ | |
162 | #define XMC_XO 7 /* Read-only extended operation */ | |
163 | #define XMC_SV 8 /* Read-only supervisor call */ | |
164 | #define XMC_BS 9 /* Read-write BSS */ | |
165 | #define XMC_DS 10 /* Read-write descriptor csect */ | |
166 | #define XMC_UC 11 /* Read-write unnamed Fortran common */ | |
167 | #define XMC_TI 12 /* Read-only traceback index csect */ | |
168 | #define XMC_TB 13 /* Read-only traceback table csect */ | |
169 | /* 14 ??? */ | |
170 | #define XMC_TC0 15 /* Read-write TOC anchor */ | |
171 | #define XMC_TD 16 /* Read-write data in TOC */ | |
1fdf0249 TR |
172 | #define XMC_SV64 17 /* Read-only 64 bit supervisor call */ |
173 | #define XMC_SV3264 18 /* Read-only 32 or 64 bit supervisor call */ | |
9d3056cd TG |
174 | /* 19 ??? */ |
175 | #define XMC_TL 20 /* Read-write initialized TLS data */ | |
176 | #define XMC_TU 21 /* Read-write uninitialized TLS data */ | |
177 | #define XMC_TE 22 /* Same as XMC_TC but mapped after it */ | |
3dd657b1 TR |
178 | |
179 | /* The ldhdr structure. This appears at the start of the .loader | |
180 | section. */ | |
181 | ||
182 | struct internal_ldhdr | |
183 | { | |
54c95892 TR |
184 | /* The version number: |
185 | 1 : 32 bit | |
186 | 2 : 64 bit */ | |
3dd657b1 | 187 | unsigned long l_version; |
54c95892 | 188 | |
3dd657b1 TR |
189 | /* The number of symbol table entries. */ |
190 | bfd_size_type l_nsyms; | |
54c95892 | 191 | |
3dd657b1 TR |
192 | /* The number of relocation table entries. */ |
193 | bfd_size_type l_nreloc; | |
54c95892 | 194 | |
3dd657b1 TR |
195 | /* The length of the import file string table. */ |
196 | bfd_size_type l_istlen; | |
54c95892 | 197 | |
3dd657b1 TR |
198 | /* The number of import files. */ |
199 | bfd_size_type l_nimpid; | |
54c95892 | 200 | |
3dd657b1 TR |
201 | /* The offset from the start of the .loader section to the first |
202 | entry in the import file table. */ | |
203 | bfd_size_type l_impoff; | |
54c95892 | 204 | |
3dd657b1 TR |
205 | /* The length of the string table. */ |
206 | bfd_size_type l_stlen; | |
54c95892 | 207 | |
3dd657b1 TR |
208 | /* The offset from the start of the .loader section to the first |
209 | entry in the string table. */ | |
210 | bfd_size_type l_stoff; | |
54c95892 | 211 | |
3dd657b1 TR |
212 | /* The offset to start of the symbol table, only in XCOFF64 */ |
213 | bfd_vma l_symoff; | |
54c95892 | 214 | |
3dd657b1 TR |
215 | /* The offset to the start of the relocation table, only in XCOFF64 */ |
216 | bfd_vma l_rldoff; | |
217 | }; | |
218 | ||
219 | /* The ldsym structure. This is used to represent a symbol in the | |
220 | .loader section. */ | |
221 | ||
222 | struct internal_ldsym | |
223 | { | |
224 | union | |
54c95892 TR |
225 | { |
226 | /* The symbol name if <= SYMNMLEN characters. */ | |
227 | char _l_name[SYMNMLEN]; | |
228 | struct | |
3dd657b1 | 229 | { |
54c95892 TR |
230 | /* Zero if the symbol name is more than SYMNMLEN characters. */ |
231 | long _l_zeroes; | |
232 | ||
233 | /* The offset in the string table if the symbol name is more | |
234 | than SYMNMLEN characters. */ | |
235 | long _l_offset; | |
236 | } | |
237 | _l_l; | |
238 | } | |
239 | _l; | |
240 | ||
3dd657b1 TR |
241 | /* The symbol value. */ |
242 | bfd_vma l_value; | |
54c95892 | 243 | |
3dd657b1 TR |
244 | /* The symbol section number. */ |
245 | short l_scnum; | |
54c95892 | 246 | |
3dd657b1 TR |
247 | /* The symbol type and flags. */ |
248 | char l_smtype; | |
54c95892 | 249 | |
3dd657b1 TR |
250 | /* The symbol storage class. */ |
251 | char l_smclas; | |
54c95892 | 252 | |
3dd657b1 TR |
253 | /* The import file ID. */ |
254 | bfd_size_type l_ifile; | |
54c95892 | 255 | |
3dd657b1 TR |
256 | /* Offset to the parameter type check string. */ |
257 | bfd_size_type l_parm; | |
258 | }; | |
259 | ||
260 | /* These flags are for the l_smtype field (the lower three bits are an | |
261 | XTY_* value). */ | |
262 | ||
263 | /* Imported symbol. */ | |
264 | #define L_IMPORT (0x40) | |
265 | /* Entry point. */ | |
266 | #define L_ENTRY (0x20) | |
267 | /* Exported symbol. */ | |
268 | #define L_EXPORT (0x10) | |
8602d4fe RS |
269 | /* Weak symbol. */ |
270 | #define L_WEAK (0x08) | |
3dd657b1 TR |
271 | |
272 | /* The ldrel structure. This is used to represent a reloc in the | |
273 | .loader section. */ | |
274 | ||
275 | struct internal_ldrel | |
276 | { | |
277 | /* The reloc address. */ | |
278 | bfd_vma l_vaddr; | |
54c95892 | 279 | |
3dd657b1 TR |
280 | /* The symbol table index in the .loader section symbol table. */ |
281 | bfd_size_type l_symndx; | |
54c95892 | 282 | |
3dd657b1 TR |
283 | /* The relocation type and size. */ |
284 | short l_rtype; | |
54c95892 | 285 | |
3dd657b1 TR |
286 | /* The section number this relocation applies to. */ |
287 | short l_rsecnm; | |
288 | }; | |
289 | ||
290 | /* An entry in the XCOFF linker hash table. */ | |
291 | struct xcoff_link_hash_entry | |
292 | { | |
293 | struct bfd_link_hash_entry root; | |
294 | ||
295 | /* Symbol index in output file. Set to -1 initially. Set to -2 if | |
296 | there is a reloc against this symbol. */ | |
297 | long indx; | |
298 | ||
299 | /* If we have created a TOC entry for this symbol, this is the .tc | |
300 | section which holds it. */ | |
301 | asection *toc_section; | |
302 | ||
303 | union | |
54c95892 TR |
304 | { |
305 | /* If we have created a TOC entry (the XCOFF_SET_TOC flag is | |
306 | set), this is the offset in toc_section. */ | |
307 | bfd_vma toc_offset; | |
308 | ||
309 | /* If the TOC entry comes from an input file, this is set to the | |
310 | symbol index of the C_HIDEXT XMC_TC or XMC_TD symbol. */ | |
311 | long toc_indx; | |
312 | } | |
313 | u; | |
3dd657b1 TR |
314 | |
315 | /* If this symbol is a function entry point which is called, this | |
316 | field holds a pointer to the function descriptor. If this symbol | |
317 | is a function descriptor, this field holds a pointer to the | |
318 | function entry point. */ | |
319 | struct xcoff_link_hash_entry *descriptor; | |
320 | ||
321 | /* The .loader symbol table entry, if there is one. */ | |
322 | struct internal_ldsym *ldsym; | |
323 | ||
324 | /* If XCOFF_BUILT_LDSYM is set, this is the .loader symbol table | |
325 | index. If XCOFF_BUILD_LDSYM is clear, and XCOFF_IMPORT is set, | |
326 | this is the l_ifile value. */ | |
327 | long ldindx; | |
328 | ||
329 | /* Some linker flags. */ | |
330 | unsigned long flags; | |
331 | ||
332 | /* The storage mapping class. */ | |
333 | unsigned char smclas; | |
334 | }; | |
335 | ||
54c95892 | 336 | /* Flags for xcoff_link_hash_entry. */ |
3dd657b1 | 337 | |
54c95892 | 338 | /* Symbol is referenced by a regular object. */ |
3dd657b1 | 339 | #define XCOFF_REF_REGULAR 0x00000001 |
54c95892 | 340 | /* Symbol is defined by a regular object. */ |
3dd657b1 | 341 | #define XCOFF_DEF_REGULAR 0x00000002 |
54c95892 | 342 | /* Symbol is defined by a dynamic object. */ |
3dd657b1 | 343 | #define XCOFF_DEF_DYNAMIC 0x00000004 |
54c95892 | 344 | /* Symbol is used in a reloc being copied into the .loader section. */ |
3dd657b1 | 345 | #define XCOFF_LDREL 0x00000008 |
54c95892 | 346 | /* Symbol is the entry point. */ |
3dd657b1 | 347 | #define XCOFF_ENTRY 0x00000010 |
858ef0ce RS |
348 | /* Symbol is for a function and is the target of a relocation. |
349 | The relocation may or may not be a branch-type relocation. */ | |
3dd657b1 | 350 | #define XCOFF_CALLED 0x00000020 |
54c95892 | 351 | /* Symbol needs the TOC entry filled in. */ |
3dd657b1 | 352 | #define XCOFF_SET_TOC 0x00000040 |
858ef0ce | 353 | /* Symbol is implicitly or explicitly imported. */ |
3dd657b1 | 354 | #define XCOFF_IMPORT 0x00000080 |
54c95892 | 355 | /* Symbol is explicitly exported. */ |
3dd657b1 | 356 | #define XCOFF_EXPORT 0x00000100 |
54c95892 | 357 | /* Symbol has been processed by xcoff_build_ldsyms. */ |
3dd657b1 | 358 | #define XCOFF_BUILT_LDSYM 0x00000200 |
54c95892 | 359 | /* Symbol is mentioned by a section which was not garbage collected. */ |
3dd657b1 | 360 | #define XCOFF_MARK 0x00000400 |
54c95892 | 361 | /* Symbol size is recorded in size_list list from hash table. */ |
3dd657b1 | 362 | #define XCOFF_HAS_SIZE 0x00000800 |
54c95892 | 363 | /* Symbol is a function descriptor. */ |
3dd657b1 | 364 | #define XCOFF_DESCRIPTOR 0x00001000 |
54c95892 | 365 | /* Multiple definitions have been for the symbol. */ |
3dd657b1 | 366 | #define XCOFF_MULTIPLY_DEFINED 0x00002000 |
54c95892 | 367 | /* Symbol is the __rtinit symbol. */ |
3dd657b1 | 368 | #define XCOFF_RTINIT 0x00004000 |
54c95892 | 369 | /* Symbol is an imported 32 bit syscall. */ |
1fdf0249 | 370 | #define XCOFF_SYSCALL32 0x00008000 |
54c95892 | 371 | /* Symbol is an imported 64 bit syscall. */ |
1fdf0249 | 372 | #define XCOFF_SYSCALL64 0x00010000 |
858ef0ce RS |
373 | /* Symbol was not explicitly defined by the time it was marked. */ |
374 | #define XCOFF_WAS_UNDEFINED 0x00020000 | |
5b49f6dc RS |
375 | /* We have assigned an output XCOFF entry to this symbol. */ |
376 | #define XCOFF_ALLOCATED 0x00040000 | |
3dd657b1 TR |
377 | |
378 | /* The XCOFF linker hash table. */ | |
379 | ||
380 | #define XCOFF_NUMBER_OF_SPECIAL_SECTIONS 6 | |
381 | #define XCOFF_SPECIAL_SECTION_TEXT 0 | |
382 | #define XCOFF_SPECIAL_SECTION_ETEXT 1 | |
383 | #define XCOFF_SPECIAL_SECTION_DATA 2 | |
384 | #define XCOFF_SPECIAL_SECTION_EDATA 3 | |
385 | #define XCOFF_SPECIAL_SECTION_END 4 | |
386 | #define XCOFF_SPECIAL_SECTION_END2 5 | |
387 | ||
b64232cc RS |
388 | /* These flags indicate which of -bexpall and -bexpfull are in effect. */ |
389 | #define XCOFF_EXPALL 1 | |
390 | #define XCOFF_EXPFULL 2 | |
3dd657b1 TR |
391 | |
392 | /* This structure is used to pass information through | |
393 | xcoff_link_hash_traverse. */ | |
394 | ||
395 | struct xcoff_loader_info | |
396 | { | |
397 | /* Set if a problem occurred. */ | |
b34976b6 | 398 | bfd_boolean failed; |
54c95892 | 399 | |
3dd657b1 TR |
400 | /* Output BFD. */ |
401 | bfd *output_bfd; | |
54c95892 | 402 | |
3dd657b1 TR |
403 | /* Link information structure. */ |
404 | struct bfd_link_info *info; | |
54c95892 | 405 | |
b64232cc RS |
406 | /* A mask of XCOFF_EXPALL and XCOFF_EXPFULL flags. */ |
407 | unsigned int auto_export_flags; | |
54c95892 | 408 | |
3dd657b1 TR |
409 | /* Number of ldsym structures. */ |
410 | size_t ldsym_count; | |
54c95892 | 411 | |
3dd657b1 TR |
412 | /* Size of string table. */ |
413 | size_t string_size; | |
54c95892 | 414 | |
3dd657b1 | 415 | /* String table. */ |
f075ee0c | 416 | char *strings; |
54c95892 | 417 | |
3dd657b1 TR |
418 | /* Allocated size of string table. */ |
419 | size_t string_alc; | |
420 | }; | |
421 | ||
422 | /* In case we're on a 32-bit machine, construct a 64-bit "-1" value | |
423 | from smaller values. Start with zero, widen, *then* decrement. */ | |
2eda3bbc | 424 | #define MINUS_ONE (((bfd_vma) 0) - 1) |
3dd657b1 | 425 | |
54c95892 TR |
426 | /* __rtinit, from /usr/include/rtinit.h. */ |
427 | struct __rtinit | |
428 | { | |
429 | /* Pointer to runtime linker. | |
430 | XXX: Is the parameter really void? */ | |
a6f5b2c3 | 431 | int (*rtl) (void); |
54c95892 TR |
432 | |
433 | /* Offset to array of init functions, 0 if none. */ | |
434 | int init_offset; | |
435 | ||
436 | /* Offset to array of fini functions, 0 if none. */ | |
437 | int fini_offset; | |
3dd657b1 | 438 | |
54c95892 TR |
439 | /* Size of __RTINIT_DESCRIPTOR. This value should be used instead of |
440 | sizeof(__RTINIT_DESCRIPTOR). */ | |
441 | int __rtinit_descriptor_size; | |
3dd657b1 TR |
442 | }; |
443 | ||
444 | #define RTINIT_DESCRIPTOR_SIZE (12) | |
445 | ||
54c95892 TR |
446 | struct __rtinit_descriptor |
447 | { | |
448 | /* Init/fini function. */ | |
449 | int f; | |
3dd657b1 | 450 | |
54c95892 TR |
451 | /* Offset, relative to the start of the __rtinit symbol, to name of the |
452 | function. */ | |
3dd657b1 | 453 | |
54c95892 TR |
454 | int name_offset; |
455 | ||
456 | /* Flags */ | |
457 | unsigned char flags; | |
458 | }; | |
3dd657b1 | 459 | |
54c95892 | 460 | /* Archive */ |
3dd657b1 TR |
461 | |
462 | #define XCOFFARMAG "<aiaff>\012" | |
463 | #define XCOFFARMAGBIG "<bigaf>\012" | |
464 | #define SXCOFFARMAG 8 | |
465 | ||
2fff1126 TR |
466 | /* The size of the ascii archive elements */ |
467 | #define XCOFFARMAG_ELEMENT_SIZE 12 | |
468 | #define XCOFFARMAGBIG_ELEMENT_SIZE 20 | |
469 | ||
3dd657b1 TR |
470 | /* This terminates an XCOFF archive member name. */ |
471 | ||
472 | #define XCOFFARFMAG "`\012" | |
473 | #define SXCOFFARFMAG 2 | |
474 | ||
475 | /* XCOFF archives start with this (printable) structure. */ | |
476 | ||
477 | struct xcoff_ar_file_hdr | |
478 | { | |
479 | /* Magic string. */ | |
480 | char magic[SXCOFFARMAG]; | |
481 | ||
482 | /* Offset of the member table (decimal ASCII string). */ | |
2fff1126 | 483 | char memoff[XCOFFARMAG_ELEMENT_SIZE]; |
3dd657b1 TR |
484 | |
485 | /* Offset of the global symbol table (decimal ASCII string). */ | |
2fff1126 | 486 | char symoff[XCOFFARMAG_ELEMENT_SIZE]; |
3dd657b1 TR |
487 | |
488 | /* Offset of the first member in the archive (decimal ASCII string). */ | |
2fff1126 | 489 | char firstmemoff[XCOFFARMAG_ELEMENT_SIZE]; |
3dd657b1 TR |
490 | |
491 | /* Offset of the last member in the archive (decimal ASCII string). */ | |
2fff1126 | 492 | char lastmemoff[XCOFFARMAG_ELEMENT_SIZE]; |
3dd657b1 TR |
493 | |
494 | /* Offset of the first member on the free list (decimal ASCII | |
495 | string). */ | |
2fff1126 | 496 | char freeoff[XCOFFARMAG_ELEMENT_SIZE]; |
3dd657b1 TR |
497 | }; |
498 | ||
2fff1126 | 499 | #define SIZEOF_AR_FILE_HDR (SXCOFFARMAG + 5 * XCOFFARMAG_ELEMENT_SIZE) |
3dd657b1 TR |
500 | |
501 | /* This is the equivalent data structure for the big archive format. */ | |
502 | ||
503 | struct xcoff_ar_file_hdr_big | |
504 | { | |
505 | /* Magic string. */ | |
506 | char magic[SXCOFFARMAG]; | |
507 | ||
508 | /* Offset of the member table (decimal ASCII string). */ | |
2fff1126 | 509 | char memoff[XCOFFARMAGBIG_ELEMENT_SIZE]; |
3dd657b1 TR |
510 | |
511 | /* Offset of the global symbol table for 32-bit objects (decimal ASCII | |
512 | string). */ | |
2fff1126 | 513 | char symoff[XCOFFARMAGBIG_ELEMENT_SIZE]; |
3dd657b1 TR |
514 | |
515 | /* Offset of the global symbol table for 64-bit objects (decimal ASCII | |
516 | string). */ | |
2fff1126 | 517 | char symoff64[XCOFFARMAGBIG_ELEMENT_SIZE]; |
3dd657b1 TR |
518 | |
519 | /* Offset of the first member in the archive (decimal ASCII string). */ | |
2fff1126 | 520 | char firstmemoff[XCOFFARMAGBIG_ELEMENT_SIZE]; |
3dd657b1 TR |
521 | |
522 | /* Offset of the last member in the archive (decimal ASCII string). */ | |
2fff1126 | 523 | char lastmemoff[XCOFFARMAGBIG_ELEMENT_SIZE]; |
3dd657b1 TR |
524 | |
525 | /* Offset of the first member on the free list (decimal ASCII | |
526 | string). */ | |
2fff1126 | 527 | char freeoff[XCOFFARMAGBIG_ELEMENT_SIZE]; |
3dd657b1 TR |
528 | }; |
529 | ||
2fff1126 | 530 | #define SIZEOF_AR_FILE_HDR_BIG (SXCOFFARMAG + 6 * XCOFFARMAGBIG_ELEMENT_SIZE) |
3dd657b1 TR |
531 | |
532 | /* Each XCOFF archive member starts with this (printable) structure. */ | |
533 | ||
534 | struct xcoff_ar_hdr | |
535 | { | |
536 | /* File size not including the header (decimal ASCII string). */ | |
2fff1126 | 537 | char size[XCOFFARMAG_ELEMENT_SIZE]; |
3dd657b1 TR |
538 | |
539 | /* File offset of next archive member (decimal ASCII string). */ | |
2fff1126 | 540 | char nextoff[XCOFFARMAG_ELEMENT_SIZE]; |
3dd657b1 TR |
541 | |
542 | /* File offset of previous archive member (decimal ASCII string). */ | |
2fff1126 | 543 | char prevoff[XCOFFARMAG_ELEMENT_SIZE]; |
3dd657b1 TR |
544 | |
545 | /* File mtime (decimal ASCII string). */ | |
546 | char date[12]; | |
547 | ||
548 | /* File UID (decimal ASCII string). */ | |
549 | char uid[12]; | |
550 | ||
551 | /* File GID (decimal ASCII string). */ | |
552 | char gid[12]; | |
553 | ||
554 | /* File mode (octal ASCII string). */ | |
555 | char mode[12]; | |
556 | ||
557 | /* Length of file name (decimal ASCII string). */ | |
558 | char namlen[4]; | |
559 | ||
560 | /* This structure is followed by the file name. The length of the | |
561 | name is given in the namlen field. If the length of the name is | |
562 | odd, the name is followed by a null byte. The name and optional | |
563 | null byte are followed by XCOFFARFMAG, which is not included in | |
564 | namlen. The contents of the archive member follow; the number of | |
565 | bytes is given in the size field. */ | |
566 | }; | |
567 | ||
2fff1126 | 568 | #define SIZEOF_AR_HDR (3 * XCOFFARMAG_ELEMENT_SIZE + 4 * 12 + 4) |
3dd657b1 TR |
569 | |
570 | /* The equivalent for the big archive format. */ | |
571 | ||
572 | struct xcoff_ar_hdr_big | |
573 | { | |
574 | /* File size not including the header (decimal ASCII string). */ | |
2fff1126 | 575 | char size[XCOFFARMAGBIG_ELEMENT_SIZE]; |
3dd657b1 TR |
576 | |
577 | /* File offset of next archive member (decimal ASCII string). */ | |
2fff1126 | 578 | char nextoff[XCOFFARMAGBIG_ELEMENT_SIZE]; |
3dd657b1 TR |
579 | |
580 | /* File offset of previous archive member (decimal ASCII string). */ | |
2fff1126 | 581 | char prevoff[XCOFFARMAGBIG_ELEMENT_SIZE]; |
3dd657b1 TR |
582 | |
583 | /* File mtime (decimal ASCII string). */ | |
584 | char date[12]; | |
585 | ||
586 | /* File UID (decimal ASCII string). */ | |
587 | char uid[12]; | |
588 | ||
589 | /* File GID (decimal ASCII string). */ | |
590 | char gid[12]; | |
591 | ||
592 | /* File mode (octal ASCII string). */ | |
593 | char mode[12]; | |
594 | ||
595 | /* Length of file name (decimal ASCII string). */ | |
596 | char namlen[4]; | |
597 | ||
598 | /* This structure is followed by the file name. The length of the | |
599 | name is given in the namlen field. If the length of the name is | |
600 | odd, the name is followed by a null byte. The name and optional | |
601 | null byte are followed by XCOFFARFMAG, which is not included in | |
602 | namlen. The contents of the archive member follow; the number of | |
603 | bytes is given in the size field. */ | |
604 | }; | |
605 | ||
2fff1126 | 606 | #define SIZEOF_AR_HDR_BIG (3 * XCOFFARMAGBIG_ELEMENT_SIZE + 4 * 12 + 4) |
3dd657b1 TR |
607 | |
608 | /* We often have to distinguish between the old and big file format. | |
609 | Make it a bit cleaner. We can use `xcoff_ardata' here because the | |
2fff1126 | 610 | `hdr' member has the same size and position in both formats. |
b34976b6 | 611 | <bigaf> is the default format, return TRUE even when xcoff_ardata is |
2fff1126 | 612 | NULL. */ |
3e36d993 TR |
613 | #ifndef SMALL_ARCHIVE |
614 | /* Creates big archives by default */ | |
2fff1126 TR |
615 | #define xcoff_big_format_p(abfd) \ |
616 | ((NULL != bfd_ardata (abfd) && NULL == xcoff_ardata (abfd)) || \ | |
617 | ((NULL != bfd_ardata (abfd)) && \ | |
618 | (NULL != xcoff_ardata (abfd)) && \ | |
619 | (xcoff_ardata (abfd)->magic[1] == 'b'))) | |
3e36d993 TR |
620 | #else |
621 | /* Creates small archives by default. */ | |
3dd657b1 | 622 | #define xcoff_big_format_p(abfd) \ |
2fff1126 TR |
623 | (((NULL != bfd_ardata (abfd)) && \ |
624 | (NULL != xcoff_ardata (abfd)) && \ | |
3e36d993 TR |
625 | (xcoff_ardata (abfd)->magic[1] == 'b'))) |
626 | #endif | |
3dd657b1 TR |
627 | |
628 | /* We store a copy of the xcoff_ar_file_hdr in the tdata field of the | |
629 | artdata structure. Similar for the big archive. */ | |
630 | #define xcoff_ardata(abfd) \ | |
631 | ((struct xcoff_ar_file_hdr *) bfd_ardata (abfd)->tdata) | |
632 | #define xcoff_ardata_big(abfd) \ | |
633 | ((struct xcoff_ar_file_hdr_big *) bfd_ardata (abfd)->tdata) | |
634 | ||
635 | /* We store a copy of the xcoff_ar_hdr in the arelt_data field of an | |
636 | archive element. Similar for the big archive. */ | |
637 | #define arch_eltdata(bfd) ((struct areltdata *) ((bfd)->arelt_data)) | |
638 | #define arch_xhdr(bfd) \ | |
639 | ((struct xcoff_ar_hdr *) arch_eltdata (bfd)->arch_header) | |
640 | #define arch_xhdr_big(bfd) \ | |
641 | ((struct xcoff_ar_hdr_big *) arch_eltdata (bfd)->arch_header) | |
642 | ||
8602d4fe RS |
643 | /* True if symbols of class CLASS are external. */ |
644 | #define EXTERN_SYM_P(CLASS) \ | |
645 | ((CLASS) == C_EXT || (CLASS) == C_AIX_WEAKEXT) | |
646 | ||
3dd657b1 | 647 | #endif /* _INTERNAL_XCOFF_H */ |