]>
Commit | Line | Data |
---|---|---|
0c607d57 FB |
1 | /* a.out.h |
2 | ||
3 | Copyright 1997, 1998, 1999, 2001 Red Hat, Inc. | |
4 | ||
5 | This file is part of Cygwin. | |
6 | ||
7 | This software is a copyrighted work licensed under the terms of the | |
8 | Cygwin license. Please consult the file "CYGWIN_LICENSE" for | |
9 | details. */ | |
10 | ||
11 | #ifndef _A_OUT_H_ | |
12 | #define _A_OUT_H_ | |
13 | ||
14 | #ifdef __cplusplus | |
15 | extern "C" { | |
16 | #endif | |
17 | #define COFF_IMAGE_WITH_PE | |
18 | #define COFF_LONG_SECTION_NAMES | |
19 | ||
20 | /*** coff information for Intel 386/486. */ | |
21 | ||
22 | ||
23 | /********************** FILE HEADER **********************/ | |
24 | ||
25 | struct external_filehdr { | |
26 | short f_magic; /* magic number */ | |
27 | short f_nscns; /* number of sections */ | |
7a2d6d96 PB |
28 | host_ulong f_timdat; /* time & date stamp */ |
29 | host_ulong f_symptr; /* file pointer to symtab */ | |
30 | host_ulong f_nsyms; /* number of symtab entries */ | |
0c607d57 FB |
31 | short f_opthdr; /* sizeof(optional hdr) */ |
32 | short f_flags; /* flags */ | |
33 | }; | |
34 | ||
35 | /* Bits for f_flags: | |
36 | * F_RELFLG relocation info stripped from file | |
37 | * F_EXEC file is executable (no unresolved external references) | |
38 | * F_LNNO line numbers stripped from file | |
39 | * F_LSYMS local symbols stripped from file | |
40 | * F_AR32WR file has byte ordering of an AR32WR machine (e.g. vax) | |
41 | */ | |
42 | ||
43 | #define F_RELFLG (0x0001) | |
44 | #define F_EXEC (0x0002) | |
45 | #define F_LNNO (0x0004) | |
46 | #define F_LSYMS (0x0008) | |
47 | ||
48 | ||
49 | ||
50 | #define I386MAGIC 0x14c | |
51 | #define I386PTXMAGIC 0x154 | |
52 | #define I386AIXMAGIC 0x175 | |
53 | ||
54 | /* This is Lynx's all-platform magic number for executables. */ | |
55 | ||
56 | #define LYNXCOFFMAGIC 0415 | |
57 | ||
58 | #define I386BADMAG(x) (((x).f_magic != I386MAGIC) \ | |
59 | && (x).f_magic != I386AIXMAGIC \ | |
60 | && (x).f_magic != I386PTXMAGIC \ | |
61 | && (x).f_magic != LYNXCOFFMAGIC) | |
62 | ||
63 | #define FILHDR struct external_filehdr | |
64 | #define FILHSZ 20 | |
65 | ||
66 | ||
67 | /********************** AOUT "OPTIONAL HEADER"= | |
68 | **********************/ | |
69 | ||
70 | ||
71 | typedef struct | |
72 | { | |
73 | unsigned short magic; /* type of file */ | |
74 | unsigned short vstamp; /* version stamp */ | |
7a2d6d96 PB |
75 | host_ulong tsize; /* text size in bytes, padded to FW bdry*/ |
76 | host_ulong dsize; /* initialized data " " */ | |
77 | host_ulong bsize; /* uninitialized data " " */ | |
78 | host_ulong entry; /* entry pt. */ | |
79 | host_ulong text_start; /* base of text used for this file */ | |
80 | host_ulong data_start; /* base of data used for this file= | |
0c607d57 FB |
81 | */ |
82 | } | |
83 | AOUTHDR; | |
84 | ||
85 | #define AOUTSZ 28 | |
86 | #define AOUTHDRSZ 28 | |
87 | ||
88 | #define OMAGIC 0404 /* object files, eg as output */ | |
89 | #define ZMAGIC 0413 /* demand load format, eg normal ld output */ | |
90 | #define STMAGIC 0401 /* target shlib */ | |
91 | #define SHMAGIC 0443 /* host shlib */ | |
92 | ||
93 | ||
94 | /* define some NT default values */ | |
95 | /* #define NT_IMAGE_BASE 0x400000 moved to internal.h */ | |
96 | #define NT_SECTION_ALIGNMENT 0x1000 | |
97 | #define NT_FILE_ALIGNMENT 0x200 | |
98 | #define NT_DEF_RESERVE 0x100000 | |
99 | #define NT_DEF_COMMIT 0x1000 | |
100 | ||
101 | /********************** SECTION HEADER **********************/ | |
102 | ||
103 | ||
104 | struct external_scnhdr { | |
105 | char s_name[8]; /* section name */ | |
7a2d6d96 | 106 | host_ulong s_paddr; /* physical address, offset |
0c607d57 | 107 | of last addr in scn */ |
7a2d6d96 PB |
108 | host_ulong s_vaddr; /* virtual address */ |
109 | host_ulong s_size; /* section size */ | |
110 | host_ulong s_scnptr; /* file ptr to raw data for section */ | |
111 | host_ulong s_relptr; /* file ptr to relocation */ | |
112 | host_ulong s_lnnoptr; /* file ptr to line numbers */ | |
0c607d57 FB |
113 | unsigned short s_nreloc; /* number of relocation entries */ |
114 | unsigned short s_nlnno; /* number of line number entries*/ | |
7a2d6d96 | 115 | host_ulong s_flags; /* flags */ |
0c607d57 FB |
116 | }; |
117 | ||
118 | #define SCNHDR struct external_scnhdr | |
119 | #define SCNHSZ 40 | |
120 | ||
121 | /* | |
122 | * names of "special" sections | |
123 | */ | |
124 | #define _TEXT ".text" | |
125 | #define _DATA ".data" | |
126 | #define _BSS ".bss" | |
127 | #define _COMMENT ".comment" | |
128 | #define _LIB ".lib" | |
129 | ||
130 | /********************** LINE NUMBERS **********************/ | |
131 | ||
132 | /* 1 line number entry for every "breakpointable" source line in a section. | |
133 | * Line numbers are grouped on a per function basis; first entry in a function | |
134 | * grouping will have l_lnno = 0 and in place of physical address will be the | |
135 | * symbol table index of the function name. | |
136 | */ | |
137 | struct external_lineno { | |
138 | union { | |
7a2d6d96 PB |
139 | host_ulong l_symndx; /* function name symbol index, iff l_lnno 0 */ |
140 | host_ulong l_paddr; /* (physical) address of line number */ | |
0c607d57 FB |
141 | } l_addr; |
142 | unsigned short l_lnno; /* line number */ | |
143 | }; | |
144 | ||
145 | #define LINENO struct external_lineno | |
146 | #define LINESZ 6 | |
147 | ||
148 | /********************** SYMBOLS **********************/ | |
149 | ||
150 | #define E_SYMNMLEN 8 /* # characters in a symbol name */ | |
151 | #define E_FILNMLEN 14 /* # characters in a file name */ | |
152 | #define E_DIMNUM 4 /* # array dimensions in auxiliary entry */ | |
153 | ||
541dc0d4 | 154 | struct QEMU_PACKED external_syment |
0c607d57 FB |
155 | { |
156 | union { | |
157 | char e_name[E_SYMNMLEN]; | |
158 | struct { | |
7a2d6d96 PB |
159 | host_ulong e_zeroes; |
160 | host_ulong e_offset; | |
0c607d57 FB |
161 | } e; |
162 | } e; | |
7a2d6d96 | 163 | host_ulong e_value; |
0c607d57 FB |
164 | unsigned short e_scnum; |
165 | unsigned short e_type; | |
166 | char e_sclass[1]; | |
167 | char e_numaux[1]; | |
168 | }; | |
169 | ||
170 | #define N_BTMASK (0xf) | |
171 | #define N_TMASK (0x30) | |
172 | #define N_BTSHFT (4) | |
173 | #define N_TSHIFT (2) | |
174 | ||
175 | union external_auxent { | |
176 | struct { | |
7a2d6d96 | 177 | host_ulong x_tagndx; /* str, un, or enum tag indx */ |
0c607d57 FB |
178 | union { |
179 | struct { | |
180 | unsigned short x_lnno; /* declaration line number */ | |
181 | unsigned short x_size; /* str/union/array size */ | |
182 | } x_lnsz; | |
7a2d6d96 | 183 | host_ulong x_fsize; /* size of function */ |
0c607d57 FB |
184 | } x_misc; |
185 | union { | |
186 | struct { /* if ISFCN, tag, or .bb */ | |
7a2d6d96 PB |
187 | host_ulong x_lnnoptr;/* ptr to fcn line # */ |
188 | host_ulong x_endndx; /* entry ndx past block end */ | |
0c607d57 FB |
189 | } x_fcn; |
190 | struct { /* if ISARY, up to 4 dimen. */ | |
191 | char x_dimen[E_DIMNUM][2]; | |
192 | } x_ary; | |
193 | } x_fcnary; | |
194 | unsigned short x_tvndx; /* tv index */ | |
195 | } x_sym; | |
196 | ||
197 | union { | |
198 | char x_fname[E_FILNMLEN]; | |
199 | struct { | |
7a2d6d96 PB |
200 | host_ulong x_zeroes; |
201 | host_ulong x_offset; | |
0c607d57 FB |
202 | } x_n; |
203 | } x_file; | |
204 | ||
205 | struct { | |
7a2d6d96 | 206 | host_ulong x_scnlen; /* section length */ |
0c607d57 FB |
207 | unsigned short x_nreloc; /* # relocation entries */ |
208 | unsigned short x_nlinno; /* # line numbers */ | |
7a2d6d96 | 209 | host_ulong x_checksum; /* section COMDAT checksum */ |
0c607d57 FB |
210 | unsigned short x_associated;/* COMDAT associated section index */ |
211 | char x_comdat[1]; /* COMDAT selection number */ | |
212 | } x_scn; | |
213 | ||
214 | struct { | |
7a2d6d96 | 215 | host_ulong x_tvfill; /* tv fill value */ |
0c607d57 FB |
216 | unsigned short x_tvlen; /* length of .tv */ |
217 | char x_tvran[2][2]; /* tv range */ | |
218 | } x_tv; /* info about .tv section (in auxent of symbol .tv)) */ | |
219 | ||
220 | }; | |
221 | ||
222 | #define SYMENT struct external_syment | |
223 | #define SYMESZ 18 | |
224 | #define AUXENT union external_auxent | |
225 | #define AUXESZ 18 | |
226 | ||
227 | #define _ETEXT "etext" | |
228 | ||
229 | /********************** RELOCATION DIRECTIVES **********************/ | |
230 | ||
231 | struct external_reloc { | |
232 | char r_vaddr[4]; | |
233 | char r_symndx[4]; | |
234 | char r_type[2]; | |
235 | }; | |
236 | ||
237 | #define RELOC struct external_reloc | |
238 | #define RELSZ 10 | |
239 | ||
240 | /* end of coff/i386.h */ | |
241 | ||
242 | /* PE COFF header information */ | |
243 | ||
244 | #ifndef _PE_H | |
245 | #define _PE_H | |
246 | ||
247 | /* NT specific file attributes */ | |
248 | #define IMAGE_FILE_RELOCS_STRIPPED 0x0001 | |
249 | #define IMAGE_FILE_EXECUTABLE_IMAGE 0x0002 | |
250 | #define IMAGE_FILE_LINE_NUMS_STRIPPED 0x0004 | |
251 | #define IMAGE_FILE_LOCAL_SYMS_STRIPPED 0x0008 | |
252 | #define IMAGE_FILE_BYTES_REVERSED_LO 0x0080 | |
253 | #define IMAGE_FILE_32BIT_MACHINE 0x0100 | |
254 | #define IMAGE_FILE_DEBUG_STRIPPED 0x0200 | |
255 | #define IMAGE_FILE_SYSTEM 0x1000 | |
256 | #define IMAGE_FILE_DLL 0x2000 | |
257 | #define IMAGE_FILE_BYTES_REVERSED_HI 0x8000 | |
258 | ||
259 | /* additional flags to be set for section headers to allow the NT loader to | |
260 | read and write to the section data (to replace the addresses of data in | |
261 | dlls for one thing); also to execute the section in .text's case= | |
262 | */ | |
263 | #define IMAGE_SCN_MEM_DISCARDABLE 0x02000000 | |
264 | #define IMAGE_SCN_MEM_EXECUTE 0x20000000 | |
265 | #define IMAGE_SCN_MEM_READ 0x40000000 | |
266 | #define IMAGE_SCN_MEM_WRITE 0x80000000 | |
267 | ||
268 | /* | |
269 | * Section characteristics added for ppc-nt | |
270 | */ | |
271 | ||
272 | #define IMAGE_SCN_TYPE_NO_PAD 0x00000008 /* Reserved. */ | |
273 | ||
274 | #define IMAGE_SCN_CNT_CODE 0x00000020 /* Section contains code. */ | |
275 | #define IMAGE_SCN_CNT_INITIALIZED_DATA 0x00000040 /* Section contains initialized data. */ | |
276 | #define IMAGE_SCN_CNT_UNINITIALIZED_DATA 0x00000080 /* Section contains uninitialized data. */ | |
277 | ||
278 | #define IMAGE_SCN_LNK_OTHER 0x00000100 /* Reserved. */ | |
279 | #define IMAGE_SCN_LNK_INFO 0x00000200 /* Section contains comments or some other type of information. */ | |
280 | #define IMAGE_SCN_LNK_REMOVE 0x00000800 /* Section contents will not become part of image. */ | |
281 | #define IMAGE_SCN_LNK_COMDAT 0x00001000 /* Section contents comdat. */ | |
282 | ||
283 | #define IMAGE_SCN_MEM_FARDATA 0x00008000 | |
284 | ||
285 | #define IMAGE_SCN_MEM_PURGEABLE 0x00020000 | |
286 | #define IMAGE_SCN_MEM_16BIT 0x00020000 | |
287 | #define IMAGE_SCN_MEM_LOCKED 0x00040000 | |
288 | #define IMAGE_SCN_MEM_PRELOAD 0x00080000 | |
289 | ||
290 | #define IMAGE_SCN_ALIGN_1BYTES 0x00100000 | |
291 | #define IMAGE_SCN_ALIGN_2BYTES 0x00200000 | |
292 | #define IMAGE_SCN_ALIGN_4BYTES 0x00300000 | |
293 | #define IMAGE_SCN_ALIGN_8BYTES 0x00400000 | |
294 | #define IMAGE_SCN_ALIGN_16BYTES 0x00500000 /* Default alignment if no others are specified. */ | |
295 | #define IMAGE_SCN_ALIGN_32BYTES 0x00600000 | |
296 | #define IMAGE_SCN_ALIGN_64BYTES 0x00700000 | |
297 | ||
298 | ||
299 | #define IMAGE_SCN_LNK_NRELOC_OVFL 0x01000000 /* Section contains extended relocations. */ | |
300 | #define IMAGE_SCN_MEM_NOT_CACHED 0x04000000 /* Section is not cachable. */ | |
301 | #define IMAGE_SCN_MEM_NOT_PAGED 0x08000000 /* Section is not pageable. */ | |
302 | #define IMAGE_SCN_MEM_SHARED 0x10000000 /* Section is shareable. */ | |
303 | ||
304 | /* COMDAT selection codes. */ | |
305 | ||
306 | #define IMAGE_COMDAT_SELECT_NODUPLICATES (1) /* Warn if duplicates. */ | |
307 | #define IMAGE_COMDAT_SELECT_ANY (2) /* No warning. */ | |
308 | #define IMAGE_COMDAT_SELECT_SAME_SIZE (3) /* Warn if different size. */ | |
309 | #define IMAGE_COMDAT_SELECT_EXACT_MATCH (4) /* Warn if different. */ | |
310 | #define IMAGE_COMDAT_SELECT_ASSOCIATIVE (5) /* Base on other section. */ | |
311 | ||
312 | /* Magic values that are true for all dos/nt implementations */ | |
313 | #define DOSMAGIC 0x5a4d | |
314 | #define NT_SIGNATURE 0x00004550 | |
315 | ||
316 | /* NT allows long filenames, we want to accommodate this. This may break | |
317 | some of the bfd functions */ | |
318 | #undef FILNMLEN | |
319 | #define FILNMLEN 18 /* # characters in a file name */ | |
320 | ||
321 | ||
322 | #ifdef COFF_IMAGE_WITH_PE | |
323 | /* The filehdr is only weired in images */ | |
324 | ||
325 | #undef FILHDR | |
326 | struct external_PE_filehdr | |
327 | { | |
328 | /* DOS header fields */ | |
329 | unsigned short e_magic; /* Magic number, 0x5a4d */ | |
330 | unsigned short e_cblp; /* Bytes on last page of file, 0x90 */ | |
331 | unsigned short e_cp; /* Pages in file, 0x3 */ | |
332 | unsigned short e_crlc; /* Relocations, 0x0 */ | |
333 | unsigned short e_cparhdr; /* Size of header in paragraphs, 0x4 */ | |
334 | unsigned short e_minalloc; /* Minimum extra paragraphs needed, 0x0 */ | |
335 | unsigned short e_maxalloc; /* Maximum extra paragraphs needed, 0xFFFF */ | |
336 | unsigned short e_ss; /* Initial (relative) SS value, 0x0 */ | |
337 | unsigned short e_sp; /* Initial SP value, 0xb8 */ | |
338 | unsigned short e_csum; /* Checksum, 0x0 */ | |
339 | unsigned short e_ip; /* Initial IP value, 0x0 */ | |
340 | unsigned short e_cs; /* Initial (relative) CS value, 0x0 */ | |
341 | unsigned short e_lfarlc; /* File address of relocation table, 0x40 */ | |
342 | unsigned short e_ovno; /* Overlay number, 0x0 */ | |
343 | char e_res[4][2]; /* Reserved words, all 0x0 */ | |
344 | unsigned short e_oemid; /* OEM identifier (for e_oeminfo), 0x0 */ | |
345 | unsigned short e_oeminfo; /* OEM information; e_oemid specific, 0x0 */ | |
346 | char e_res2[10][2]; /* Reserved words, all 0x0 */ | |
7a2d6d96 | 347 | host_ulong e_lfanew; /* File address of new exe header, 0x80 */ |
0c607d57 FB |
348 | char dos_message[16][4]; /* other stuff, always follow DOS header */ |
349 | unsigned int nt_signature; /* required NT signature, 0x4550 */ | |
350 | ||
351 | /* From standard header */ | |
352 | ||
353 | unsigned short f_magic; /* magic number */ | |
354 | unsigned short f_nscns; /* number of sections */ | |
7a2d6d96 PB |
355 | host_ulong f_timdat; /* time & date stamp */ |
356 | host_ulong f_symptr; /* file pointer to symtab */ | |
357 | host_ulong f_nsyms; /* number of symtab entries */ | |
0c607d57 FB |
358 | unsigned short f_opthdr; /* sizeof(optional hdr) */ |
359 | unsigned short f_flags; /* flags */ | |
360 | }; | |
361 | ||
362 | ||
363 | #define FILHDR struct external_PE_filehdr | |
364 | #undef FILHSZ | |
365 | #define FILHSZ 152 | |
366 | ||
367 | #endif | |
368 | ||
369 | typedef struct | |
370 | { | |
371 | unsigned short magic; /* type of file */ | |
372 | unsigned short vstamp; /* version stamp */ | |
7a2d6d96 PB |
373 | host_ulong tsize; /* text size in bytes, padded to FW bdry*/ |
374 | host_ulong dsize; /* initialized data " " */ | |
375 | host_ulong bsize; /* uninitialized data " " */ | |
376 | host_ulong entry; /* entry pt. */ | |
377 | host_ulong text_start; /* base of text used for this file */ | |
378 | host_ulong data_start; /* base of all data used for this file */ | |
0c607d57 FB |
379 | |
380 | /* NT extra fields; see internal.h for descriptions */ | |
7a2d6d96 PB |
381 | host_ulong ImageBase; |
382 | host_ulong SectionAlignment; | |
383 | host_ulong FileAlignment; | |
0c607d57 FB |
384 | unsigned short MajorOperatingSystemVersion; |
385 | unsigned short MinorOperatingSystemVersion; | |
386 | unsigned short MajorImageVersion; | |
387 | unsigned short MinorImageVersion; | |
388 | unsigned short MajorSubsystemVersion; | |
389 | unsigned short MinorSubsystemVersion; | |
390 | char Reserved1[4]; | |
7a2d6d96 PB |
391 | host_ulong SizeOfImage; |
392 | host_ulong SizeOfHeaders; | |
393 | host_ulong CheckSum; | |
0c607d57 FB |
394 | unsigned short Subsystem; |
395 | unsigned short DllCharacteristics; | |
7a2d6d96 PB |
396 | host_ulong SizeOfStackReserve; |
397 | host_ulong SizeOfStackCommit; | |
398 | host_ulong SizeOfHeapReserve; | |
399 | host_ulong SizeOfHeapCommit; | |
400 | host_ulong LoaderFlags; | |
401 | host_ulong NumberOfRvaAndSizes; | |
0c607d57 FB |
402 | /* IMAGE_DATA_DIRECTORY DataDirectory[IMAGE_NUMBEROF_DIRECTORY_ENTRIES]; */ |
403 | char DataDirectory[16][2][4]; /* 16 entries, 2 elements/entry, 4 chars */ | |
404 | ||
405 | } PEAOUTHDR; | |
406 | ||
407 | ||
408 | #undef AOUTSZ | |
409 | #define AOUTSZ (AOUTHDRSZ + 196) | |
410 | ||
411 | #undef E_FILNMLEN | |
412 | #define E_FILNMLEN 18 /* # characters in a file name */ | |
413 | #endif | |
414 | ||
415 | /* end of coff/pe.h */ | |
416 | ||
417 | #define DT_NON (0) /* no derived type */ | |
418 | #define DT_PTR (1) /* pointer */ | |
419 | #define DT_FCN (2) /* function */ | |
420 | #define DT_ARY (3) /* array */ | |
421 | ||
422 | #define ISPTR(x) (((x) & N_TMASK) == (DT_PTR << N_BTSHFT)) | |
423 | #define ISFCN(x) (((x) & N_TMASK) == (DT_FCN << N_BTSHFT)) | |
424 | #define ISARY(x) (((x) & N_TMASK) == (DT_ARY << N_BTSHFT)) | |
425 | ||
426 | #ifdef __cplusplus | |
427 | } | |
428 | #endif | |
429 | ||
430 | #endif /* _A_OUT_H_ */ |