Subversion Repositories Kolibri OS

Rev

Rev 5191 | Go to most recent revision | Details | Compare with Previous | Last modification | View Log | RSS feed

Rev Author Line No. Line
5191 serge 1
/* Internal format of COFF object file data structures, for GNU BFD.
2
   This file is part of BFD, the Binary File Descriptor library.
3
 
6324 serge 4
   Copyright (C) 1999-2015 Free Software Foundation, Inc.
5
 
5191 serge 6
   This program is free software; you can redistribute it and/or modify
7
   it under the terms of the GNU General Public License as published by
8
   the Free Software Foundation; either version 3 of the License, or
9
   (at your option) any later version.
6324 serge 10
 
5191 serge 11
   This program is distributed in the hope that it will be useful,
12
   but WITHOUT ANY WARRANTY; without even the implied warranty of
13
   MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
14
   GNU General Public License for more details.
6324 serge 15
 
5191 serge 16
   You should have received a copy of the GNU General Public License
17
   along with this program; if not, write to the Free Software
18
   Foundation, Inc., 51 Franklin Street - Fifth Floor, Boston,
19
   MA 02110-1301, USA.  */
20
 
21
#ifndef GNU_COFF_INTERNAL_H
22
#define GNU_COFF_INTERNAL_H 1
23
 
24
/* First, make "signed char" work, even on old compilers. */
25
#ifndef signed
26
#ifndef __STDC__
27
#define	signed			/**/
28
#endif
29
#endif
30
 
31
/********************** FILE HEADER **********************/
32
 
33
/* extra stuff in a PE header. */
34
 
35
struct internal_extra_pe_filehdr
36
{
37
  /* DOS header data follows for PE stuff */
38
  unsigned short e_magic;	/* Magic number, 0x5a4d */
39
  unsigned short e_cblp;	/* Bytes on last page of file, 0x90 */
40
  unsigned short e_cp;		/* Pages in file, 0x3 */
41
  unsigned short e_crlc;	/* Relocations, 0x0 */
42
  unsigned short e_cparhdr;	/* Size of header in paragraphs, 0x4 */
43
  unsigned short e_minalloc;	/* Minimum extra paragraphs needed, 0x0 */
44
  unsigned short e_maxalloc;	/* Maximum extra paragraphs needed, 0xFFFF */
45
  unsigned short e_ss;		/* Initial (relative) SS value, 0x0 */
46
  unsigned short e_sp;		/* Initial SP value, 0xb8 */
47
  unsigned short e_csum;	/* Checksum, 0x0 */
48
  unsigned short e_ip;		/* Initial IP value, 0x0 */
49
  unsigned short e_cs;		/* Initial (relative) CS value, 0x0 */
50
  unsigned short e_lfarlc;	/* File address of relocation table, 0x40 */
51
  unsigned short e_ovno;	/* Overlay number, 0x0 */
52
  unsigned short e_res[4];	/* Reserved words, all 0x0 */
53
  unsigned short e_oemid;	/* OEM identifier (for e_oeminfo), 0x0 */
54
  unsigned short e_oeminfo;	/* OEM information; e_oemid specific, 0x0 */
55
  unsigned short e_res2[10];	/* Reserved words, all 0x0 */
56
  bfd_vma  e_lfanew;		/* File address of new exe header, 0x80 */
57
  unsigned long dos_message[16]; /* text which always follows dos header */
6324 serge 58
  bfd_vma  nt_signature;   	/* required NT signature, 0x4550 */
5191 serge 59
};
60
 
61
#define GO32_STUBSIZE 2048
62
 
63
struct internal_filehdr
64
{
65
  struct internal_extra_pe_filehdr pe;
66
 
67
  /* coff-stgo32 EXE stub header before BFD tdata has been allocated.
68
     Its data is kept in INTERNAL_FILEHDR.GO32STUB afterwards.
6324 serge 69
 
5191 serge 70
     F_GO32STUB is set iff go32stub contains a valid data.  Artifical headers
71
     created in BFD have no pre-set go32stub.  */
72
  char go32stub[GO32_STUBSIZE];
73
 
74
  /* Standard coff internal info.  */
75
  unsigned short f_magic;	/* magic number			*/
6324 serge 76
  unsigned int   f_nscns;	/* number of sections		*/
5191 serge 77
  long f_timdat;		/* time & date stamp		*/
78
  bfd_vma f_symptr;		/* file pointer to symtab	*/
79
  long f_nsyms;			/* number of symtab entries	*/
80
  unsigned short f_opthdr;	/* sizeof(optional hdr)		*/
81
  unsigned short f_flags;	/* flags			*/
82
  unsigned short f_target_id;	/* (TI COFF specific)		*/
83
};
84
 
85
 
86
/* Bits for f_flags:
87
 	F_RELFLG	relocation info stripped from file
88
 	F_EXEC		file is executable (no unresolved external references)
89
 	F_LNNO		line numbers stripped from file
90
 	F_LSYMS		local symbols stripped from file
91
 	F_AR16WR	file is 16-bit little-endian
92
 	F_AR32WR	file is 32-bit little-endian
93
 	F_AR32W		file is 32-bit big-endian
94
 	F_DYNLOAD	rs/6000 aix: dynamically loadable w/imports & exports
95
 	F_SHROBJ	rs/6000 aix: file is a shared object
96
	F_DLL           PE format DLL
97
	F_GO32STUB      Field go32stub contains valid data.  */
98
 
99
#define	F_RELFLG	(0x0001)
100
#define	F_EXEC		(0x0002)
101
#define	F_LNNO		(0x0004)
102
#define	F_LSYMS		(0x0008)
103
#define	F_AR16WR	(0x0080)
104
#define	F_AR32WR	(0x0100)
105
#define	F_AR32W     	(0x0200)
106
#define	F_DYNLOAD	(0x1000)
107
#define	F_SHROBJ	(0x2000)
108
#define F_DLL           (0x2000)
109
#define F_GO32STUB      (0x4000)
110
 
111
/* Extra structure which is used in the optional header.  */
6324 serge 112
typedef struct _IMAGE_DATA_DIRECTORY
5191 serge 113
{
114
  bfd_vma VirtualAddress;
115
  long    Size;
116
}  IMAGE_DATA_DIRECTORY;
117
#define PE_EXPORT_TABLE			0
118
#define PE_IMPORT_TABLE			1
119
#define PE_RESOURCE_TABLE		2
120
#define PE_EXCEPTION_TABLE		3
121
#define PE_CERTIFICATE_TABLE		4
122
#define PE_BASE_RELOCATION_TABLE	5
123
#define PE_DEBUG_DATA			6
124
#define PE_ARCHITECTURE			7
125
#define PE_GLOBAL_PTR			8
126
#define PE_TLS_TABLE			9
127
#define PE_LOAD_CONFIG_TABLE		10
128
#define PE_BOUND_IMPORT_TABLE		11
129
#define PE_IMPORT_ADDRESS_TABLE		12
130
#define PE_DELAY_IMPORT_DESCRIPTOR	13
131
#define PE_CLR_RUNTIME_HEADER		14
132
/* DataDirectory[15] is currently reserved, so no define. */
133
#define IMAGE_NUMBEROF_DIRECTORY_ENTRIES  16
134
 
6324 serge 135
/* Extra structure used in debug directory.  */
136
struct internal_IMAGE_DEBUG_DIRECTORY
137
{
138
  unsigned long  Characteristics;
139
  unsigned long  TimeDateStamp;
140
  unsigned short MajorVersion;
141
  unsigned short MinorVersion;
142
  unsigned long  Type;
143
  unsigned long  SizeOfData;
144
  unsigned long  AddressOfRawData;
145
  unsigned long  PointerToRawData;
146
};
147
 
148
#define PE_IMAGE_DEBUG_TYPE_UNKNOWN          0
149
#define PE_IMAGE_DEBUG_TYPE_COFF             1
150
#define PE_IMAGE_DEBUG_TYPE_CODEVIEW         2
151
#define PE_IMAGE_DEBUG_TYPE_FPO              3
152
#define PE_IMAGE_DEBUG_TYPE_MISC             4
153
#define PE_IMAGE_DEBUG_TYPE_EXCEPTION        5
154
#define PE_IMAGE_DEBUG_TYPE_FIXUP            6
155
#define PE_IMAGE_DEBUG_TYPE_OMAP_TO_SRC      7
156
#define PE_IMAGE_DEBUG_TYPE_OMAP_FROM_SRC    8
157
#define PE_IMAGE_DEBUG_TYPE_BORLAND          9
158
#define PE_IMAGE_DEBUG_TYPE_RESERVED10       10
159
#define PE_IMAGE_DEBUG_TYPE_CLSID            11
160
 
161
/* Extra structure for a codeview debug record */
162
#define CV_INFO_SIGNATURE_LENGTH 16
163
 
164
typedef struct _CODEVIEW_INFO
165
{
166
  unsigned long CVSignature;
167
  char          Signature[CV_INFO_SIGNATURE_LENGTH];
168
  unsigned int  SignatureLength;
169
  unsigned long Age;
170
  // char PdbFileName[];
171
} CODEVIEW_INFO;
172
 
5191 serge 173
/* Default image base for NT.  */
174
#define NT_EXE_IMAGE_BASE 0x400000
175
#define NT_DLL_IMAGE_BASE 0x10000000
176
 
177
/* Default image base for BeOS. */
178
#define BEOS_EXE_IMAGE_BASE 0x80000000
179
#define BEOS_DLL_IMAGE_BASE 0x10000000
180
 
181
/* Extra stuff in a PE aouthdr */
182
 
183
#define PE_DEF_SECTION_ALIGNMENT 0x1000
184
#ifndef PE_DEF_FILE_ALIGNMENT
185
# define PE_DEF_FILE_ALIGNMENT 0x200
186
#endif
187
 
6324 serge 188
struct internal_extra_pe_aouthdr
5191 serge 189
{
190
  /* FIXME: The following entries are in AOUTHDR.  But they aren't
191
     available internally in bfd.  We add them here so that objdump
192
     can dump them.  */
6324 serge 193
  /* The state of the image file.  */
5191 serge 194
  short Magic;
6324 serge 195
  /* Linker major version number.  */
5191 serge 196
  char MajorLinkerVersion;
6324 serge 197
  /* Linker minor version number.  */
5191 serge 198
  char MinorLinkerVersion;
6324 serge 199
  /* Total size of all code sections.  */
5191 serge 200
  long SizeOfCode;
6324 serge 201
  /* Total size of all initialized data sections.  */
5191 serge 202
  long SizeOfInitializedData;
6324 serge 203
  /* Total size of all uninitialized data sections.  */
5191 serge 204
  long SizeOfUninitializedData;
205
  /* Address of entry point relative to image base.  */
206
  bfd_vma AddressOfEntryPoint;
207
  /* Address of the first code section relative to image base.  */
208
  bfd_vma BaseOfCode;
209
  /* Address of the first data section relative to image base.  */
210
  bfd_vma BaseOfData;
6324 serge 211
 
5191 serge 212
  /* PE stuff  */
6324 serge 213
  bfd_vma ImageBase;		/* Address of specific location in memory that
214
				    file is located, NT default 0x10000.  */
5191 serge 215
 
6324 serge 216
  bfd_vma SectionAlignment;	/* Section alignment default 0x1000.  */
217
  bfd_vma FileAlignment;	/* File alignment default 0x200.  */
218
  short   MajorOperatingSystemVersion; /* Minimum version of the operating.  */
219
  short   MinorOperatingSystemVersion; /* System req'd for exe, default to 1.  */
220
  short   MajorImageVersion;	/* User defineable field to store version of */
221
  short   MinorImageVersion;	/*  exe or dll being created, default to 0.  */
222
  short   MajorSubsystemVersion; /* Minimum subsystem version required to */
223
  short   MinorSubsystemVersion; /*  run exe; default to 3.1.  */
224
  long    Reserved1;		/* Seems to be 0.  */
225
  long    SizeOfImage;		/* Size of memory to allocate for prog.  */
226
  long    SizeOfHeaders;	/* Size of PE header and section table.  */
227
  long    CheckSum;		/* Set to 0.  */
5191 serge 228
  short   Subsystem;
229
 
6324 serge 230
  /* Type of subsystem exe uses for user interface,
5191 serge 231
     possible values:
232
     1 - NATIVE   Doesn't require a subsystem
233
     2 - WINDOWS_GUI runs in Windows GUI subsystem
234
     3 - WINDOWS_CUI runs in Windows char sub. (console app)
235
     5 - OS2_CUI runs in OS/2 character subsystem
6324 serge 236
     7 - POSIX_CUI runs in Posix character subsystem.  */
237
  unsigned short DllCharacteristics; /* flags for DLL init.  */
238
  bfd_vma SizeOfStackReserve;	/* Amount of memory to reserve.  */
239
  bfd_vma SizeOfStackCommit;	/* Amount of memory initially committed for
240
				    initial thread's stack, default is 0x1000.  */
241
  bfd_vma SizeOfHeapReserve;	/* Amount of virtual memory to reserve and */
242
  bfd_vma SizeOfHeapCommit;	/*  commit, don't know what to defaut it to.  */
243
  long    LoaderFlags;		/* Can probably set to 0.  */
244
  long    NumberOfRvaAndSizes;	/* Number of entries in next entry, 16.  */
5191 serge 245
  IMAGE_DATA_DIRECTORY DataDirectory[IMAGE_NUMBEROF_DIRECTORY_ENTRIES];
246
};
247
 
248
/********************** AOUT "OPTIONAL HEADER" **********************/
249
struct internal_aouthdr
250
{
251
  short magic;			/* type of file				*/
252
  short vstamp;			/* version stamp			*/
253
  bfd_vma tsize;		/* text size in bytes, padded to FW bdry*/
254
  bfd_vma dsize;		/* initialized data "  "		*/
255
  bfd_vma bsize;		/* uninitialized data "   "		*/
256
  bfd_vma entry;		/* entry pt.				*/
257
  bfd_vma text_start;		/* base of text used for this file */
258
  bfd_vma data_start;		/* base of data used for this file */
259
 
260
  /* i960 stuff */
261
  unsigned long tagentries;	/* number of tag entries to follow */
262
 
263
  /* RS/6000 stuff */
264
  bfd_vma o_toc;		/* address of TOC			*/
265
  short o_snentry;		/* section number for entry point */
266
  short o_sntext;		/* section number for text	*/
267
  short o_sndata;		/* section number for data	*/
268
  short o_sntoc;		/* section number for toc	*/
269
  short o_snloader;		/* section number for loader section */
270
  short o_snbss;		/* section number for bss	*/
271
  short o_algntext;		/* max alignment for text	*/
272
  short o_algndata;		/* max alignment for data	*/
273
  short o_modtype;		/* Module type field, 1R,RE,RO	*/
274
  short o_cputype;		/* Encoded CPU type		*/
275
  bfd_vma o_maxstack;	/* max stack size allowed.	*/
276
  bfd_vma o_maxdata;	/* max data size allowed.	*/
277
 
278
  /* ECOFF stuff */
279
  bfd_vma bss_start;		/* Base of bss section.		*/
280
  bfd_vma gp_value;		/* GP register value.		*/
281
  unsigned long gprmask;	/* General registers used.	*/
282
  unsigned long cprmask[4];	/* Coprocessor registers used.	*/
283
  unsigned long fprmask;	/* Floating pointer registers used.  */
284
 
285
  /* Apollo stuff */
286
  long o_inlib;			/* inlib data */
287
  long o_sri;			/* Static Resource Information */
288
  long vid[2];			/* Version id */
289
 
290
  struct internal_extra_pe_aouthdr pe;
291
};
292
 
293
/********************** STORAGE CLASSES **********************/
294
 
295
/* This used to be defined as -1, but now n_sclass is unsigned.  */
296
#define C_EFCN		0xff	/* physical end of function	*/
297
#define C_NULL		0
298
#define C_AUTO		1	/* automatic variable		*/
299
#define C_EXT		2	/* external symbol		*/
300
#define C_STAT		3	/* static			*/
301
#define C_REG		4	/* register variable		*/
302
#define C_EXTDEF	5	/* external definition		*/
303
#define C_LABEL		6	/* label			*/
304
#define C_ULABEL	7	/* undefined label		*/
305
#define C_MOS		8	/* member of structure		*/
306
#define C_ARG		9	/* function argument		*/
307
#define C_STRTAG	10	/* structure tag		*/
308
#define C_MOU		11	/* member of union		*/
309
#define C_UNTAG		12	/* union tag			*/
310
#define C_TPDEF		13	/* type definition		*/
311
#define C_USTATIC	14	/* undefined static		*/
312
#define C_ENTAG		15	/* enumeration tag		*/
313
#define C_MOE		16	/* member of enumeration	*/
314
#define C_REGPARM	17	/* register parameter		*/
315
#define C_FIELD		18	/* bit field			*/
316
#define C_AUTOARG	19	/* auto argument		*/
317
#define C_LASTENT	20	/* dummy entry (end of block)	*/
318
#define C_BLOCK		100	/* ".bb" or ".eb"		*/
319
#define C_FCN		101	/* ".bf" or ".ef"		*/
320
#define C_EOS		102	/* end of structure		*/
321
#define C_FILE		103	/* file name			*/
322
#define C_LINE		104	/* line # reformatted as symbol table entry */
323
#define C_ALIAS	 	105	/* duplicate tag		*/
324
#define C_HIDDEN	106	/* ext symbol in dmert public lib */
325
#define C_WEAKEXT	127	/* weak symbol -- GNU extension.  */
326
 
327
/* New storage classes for TI COFF */
328
#define C_UEXT		19	/* Tentative external definition */
329
#define C_STATLAB	20	/* Static load time label */
330
#define C_EXTLAB	21	/* External load time label */
331
#define C_SYSTEM	23	/* System Wide variable */
332
 
333
/* New storage classes for WINDOWS_NT   */
334
#define C_SECTION       104     /* section name */
335
#define C_NT_WEAK	105	/* weak external */
336
 
337
 /* New storage classes for 80960 */
338
 
339
/* C_LEAFPROC is obsolete.  Use C_LEAFEXT or C_LEAFSTAT */
340
#define C_LEAFPROC	108	/* Leaf procedure, "call" via BAL */
341
 
342
#define C_SCALL		107	/* Procedure reachable via system call */
343
#define C_LEAFEXT       108	/* External leaf */
344
#define C_LEAFSTAT      113	/* Static leaf */
345
#define C_OPTVAR	109	/* Optimized variable		*/
346
#define C_DEFINE	110	/* Preprocessor #define		*/
347
#define C_PRAGMA	111	/* Advice to compiler or linker	*/
348
#define C_SEGMENT	112	/* 80960 segment name		*/
349
 
350
  /* Storage classes for m88k */
351
#define C_SHADOW        107     /* shadow symbol                */
352
#define C_VERSION       108     /* coff version symbol          */
353
 
354
 /* New storage classes for RS/6000 */
355
#define C_HIDEXT        107	/* Un-named external symbol */
356
#define C_BINCL         108	/* Marks beginning of include file */
357
#define C_EINCL         109	/* Marks ending of include file */
358
#define C_AIX_WEAKEXT   111	/* AIX definition of C_WEAKEXT.  */
359
 
360
#define C_NULL_VALUE	0x00de1e00    /* Value for a C_NULL deleted entry.  */
361
 
362
#if defined _AIX52 || defined AIX_WEAK_SUPPORT
363
#undef C_WEAKEXT
364
#define C_WEAKEXT       C_AIX_WEAKEXT
365
#endif
366
 
367
 /* storage classes for stab symbols for RS/6000 */
368
#define C_GSYM          (0x80)
369
#define C_LSYM          (0x81)
370
#define C_PSYM          (0x82)
371
#define C_RSYM          (0x83)
372
#define C_RPSYM         (0x84)
373
#define C_STSYM         (0x85)
374
#define C_TCSYM         (0x86)
375
#define C_BCOMM         (0x87)
376
#define C_ECOML         (0x88)
377
#define C_ECOMM         (0x89)
378
#define C_DECL          (0x8c)
379
#define C_ENTRY         (0x8d)
380
#define C_FUN           (0x8e)
381
#define C_BSTAT         (0x8f)
382
#define C_ESTAT         (0x90)
383
#define C_GTLS          (0x97)
384
#define C_STTLS         (0x98)
385
 
386
/* Storage classes for Thumb symbols */
387
#define C_THUMBEXT      (128 + C_EXT)		/* 130 */
388
#define C_THUMBSTAT     (128 + C_STAT)		/* 131 */
389
#define C_THUMBLABEL    (128 + C_LABEL)		/* 134 */
390
#define C_THUMBEXTFUNC  (C_THUMBEXT  + 20)	/* 150 */
391
#define C_THUMBSTATFUNC (C_THUMBSTAT + 20)	/* 151 */
392
 
393
/* True if XCOFF symbols of class CLASS have auxillary csect information.  */
394
#define CSECT_SYM_P(CLASS) \
395
  ((CLASS) == C_EXT || (CLASS) == C_AIX_WEAKEXT || (CLASS) == C_HIDEXT)
396
 
397
/********************** SECTION HEADER **********************/
398
 
399
#define SCNNMLEN (8)
400
 
401
struct internal_scnhdr
402
{
403
  char s_name[SCNNMLEN];	/* section name			*/
404
 
405
  /* Physical address, aliased s_nlib.
406
     In the pei format, this field is the virtual section size
407
     (the size of the section after being loaded int memory),
408
     NOT the physical address.  */
409
  bfd_vma s_paddr;
410
 
411
  bfd_vma s_vaddr;		/* virtual address		*/
412
  bfd_vma s_size;		/* section size			*/
413
  bfd_vma s_scnptr;		/* file ptr to raw data for section */
414
  bfd_vma s_relptr;		/* file ptr to relocation	*/
415
  bfd_vma s_lnnoptr;		/* file ptr to line numbers	*/
416
  unsigned long s_nreloc;	/* number of relocation entries	*/
417
  unsigned long s_nlnno;	/* number of line number entries*/
418
  long s_flags;			/* flags			*/
419
  long s_align;			/* used on I960			*/
420
  unsigned char s_page;         /* TI COFF load page            */
421
};
422
 
423
/* s_flags "type".  */
424
#define STYP_REG	 (0x0000)	/* "regular": allocated, relocated, loaded */
425
#define STYP_DSECT	 (0x0001)	/* "dummy":  relocated only*/
426
#define STYP_NOLOAD	 (0x0002)	/* "noload": allocated, relocated, not loaded */
427
#define STYP_GROUP	 (0x0004)	/* "grouped": formed of input sections */
428
#define STYP_PAD	 (0x0008)	/* "padding": not allocated, not relocated, loaded */
429
#define STYP_COPY	 (0x0010)	/* "copy": for decision function used by field update;  not allocated, not relocated,
430
									     loaded; reloc & lineno entries processed normally */
431
#define STYP_TEXT	 (0x0020)	/* section contains text only */
432
#define S_SHRSEG	 (0x0020)	/* In 3b Update files (output of ogen), sections which appear in SHARED segments of the Pfile
433
									     will have the S_SHRSEG flag set by ogen, to inform dufr that updating 1 copy of the proc. will
434
									     update all process invocations. */
435
#define STYP_DATA	 (0x0040)	/* section contains data only */
436
#define STYP_BSS	 (0x0080)	/* section contains bss only */
437
#define S_NEWFCN	 (0x0100)	/* In a minimal file or an update file, a new function (as compared with a replaced function) */
438
#define STYP_INFO	 (0x0200)	/* comment: not allocated not relocated, not loaded */
439
#define STYP_OVER	 (0x0400)	/* overlay: relocated not allocated or loaded */
440
#define STYP_LIB	 (0x0800)	/* for .lib: same as INFO */
441
#define STYP_MERGE	 (0x2000)	/* merge section -- combines with text, data or bss sections only */
442
#define STYP_REVERSE_PAD (0x4000)	/* section will be padded with no-op instructions
443
					   wherever padding is necessary and there is a
444
					   word of contiguous bytes beginning on a word
445
					   boundary. */
446
 
447
#define STYP_LIT	0x8020	/* Literal data (like STYP_TEXT) */
448
 
449
 
450
/********************** LINE NUMBERS **********************/
451
 
452
/* 1 line number entry for every "breakpointable" source line in a section.
453
   Line numbers are grouped on a per function basis; first entry in a function
454
   grouping will have l_lnno = 0 and in place of physical address will be the
455
   symbol table index of the function name.  */
456
 
457
struct internal_lineno
458
{
459
  union
460
  {
461
    bfd_signed_vma l_symndx;		/* function name symbol index, iff l_lnno == 0*/
462
    bfd_signed_vma l_paddr;		/* (physical) address of line number	*/
463
  }     l_addr;
464
  unsigned long l_lnno;		/* line number		*/
465
};
466
 
467
/********************** SYMBOLS **********************/
468
 
469
#define SYMNMLEN	8	/* # characters in a symbol name	*/
470
#define FILNMLEN	14	/* # characters in a file name		*/
471
#define DIMNUM		4	/* # array dimensions in auxiliary entry */
472
 
473
struct internal_syment
474
{
475
  union
476
  {
477
    char _n_name[SYMNMLEN];	/* old COFF version		*/
478
    struct
479
    {
480
      bfd_hostptr_t _n_zeroes;	/* new == 0			*/
481
      bfd_hostptr_t _n_offset;	/* offset into string table	*/
482
    }      _n_n;
483
    char *_n_nptr[2];		/* allows for overlaying	*/
484
  }     _n;
485
  bfd_vma n_value;		/* value of symbol		*/
486
  short n_scnum;		/* section number		*/
487
  unsigned short n_flags;	/* copy of flags from filhdr	*/
488
  unsigned short n_type;	/* type and derived type	*/
489
  unsigned char n_sclass;	/* storage class		*/
490
  unsigned char n_numaux;	/* number of aux. entries	*/
491
};
492
 
493
#define n_name		_n._n_name
494
#define n_zeroes	_n._n_n._n_zeroes
495
#define n_offset	_n._n_n._n_offset
496
 
497
/* Relocatable symbols have number of the section in which they are defined,
498
   or one of the following:  */
499
 
500
#define N_UNDEF	((short)0)	/* undefined symbol */
501
#define N_ABS	((short)-1)	/* value of symbol is absolute */
502
#define N_DEBUG	((short)-2)	/* debugging symbol -- value is meaningless */
503
#define N_TV	((short)-3)	/* indicates symbol needs preload transfer vector */
504
#define P_TV	((short)-4)	/* indicates symbol needs postload transfer vector*/
505
 
506
/* Type of a symbol, in low N bits of the word.  */
507
 
508
#define T_NULL		0
509
#define T_VOID		1	/* function argument (only used by compiler) */
510
#define T_CHAR		2	/* character		*/
511
#define T_SHORT		3	/* short integer	*/
512
#define T_INT		4	/* integer		*/
513
#define T_LONG		5	/* long integer		*/
514
#define T_FLOAT		6	/* floating point	*/
515
#define T_DOUBLE	7	/* double word		*/
516
#define T_STRUCT	8	/* structure 		*/
517
#define T_UNION		9	/* union 		*/
518
#define T_ENUM		10	/* enumeration 		*/
519
#define T_MOE		11	/* member of enumeration*/
520
#define T_UCHAR		12	/* unsigned character	*/
521
#define T_USHORT	13	/* unsigned short	*/
522
#define T_UINT		14	/* unsigned integer	*/
523
#define T_ULONG		15	/* unsigned long	*/
524
#define T_LNGDBL	16	/* long double		*/
525
 
526
/* Derived types, in n_type.  */
527
 
528
#define DT_NON		(0)	/* no derived type */
529
#define DT_PTR		(1)	/* pointer */
530
#define DT_FCN		(2)	/* function */
531
#define DT_ARY		(3)	/* array */
532
 
533
#define BTYPE(x)	((x) & N_BTMASK)
534
#define DTYPE(x)	(((x) & N_TMASK) >> N_BTSHFT)
535
 
536
#define ISPTR(x) \
537
  (((unsigned long) (x) & N_TMASK) == ((unsigned long) DT_PTR << N_BTSHFT))
538
#define ISFCN(x) \
539
  (((unsigned long) (x) & N_TMASK) == ((unsigned long) DT_FCN << N_BTSHFT))
540
#define ISARY(x) \
541
  (((unsigned long) (x) & N_TMASK) == ((unsigned long) DT_ARY << N_BTSHFT))
542
#define ISTAG(x) \
543
  ((x) == C_STRTAG || (x) == C_UNTAG || (x) == C_ENTAG)
544
#define DECREF(x) \
545
  ((((x) >> N_TSHIFT) & ~ N_BTMASK) | ((x) & N_BTMASK))
546
 
547
union internal_auxent
548
{
549
  struct
550
  {
551
 
552
    union
553
    {
554
      long l;			/* str, un, or enum tag indx */
555
      struct coff_ptr_struct *p;
556
    }     x_tagndx;
557
 
558
    union
559
    {
560
      struct
561
      {
562
	unsigned short x_lnno;	/* declaration line number */
563
	unsigned short x_size;	/* str/union/array size */
564
      }      x_lnsz;
565
      long x_fsize;		/* size of function */
566
    }     x_misc;
567
 
568
    union
569
    {
570
      struct
571
      {				/* if ISFCN, tag, or .bb */
572
	bfd_signed_vma x_lnnoptr;		/* ptr to fcn line # */
573
	union
574
	{			/* entry ndx past block end */
575
	  long l;
576
	  struct coff_ptr_struct *p;
577
	}     x_endndx;
578
      }      x_fcn;
579
 
580
      struct
581
      {				/* if ISARY, up to 4 dimen. */
582
	unsigned short x_dimen[DIMNUM];
583
      }      x_ary;
584
    }     x_fcnary;
585
 
586
    unsigned short x_tvndx;	/* tv index */
587
  }      x_sym;
588
 
589
  union
590
  {
6324 serge 591
    /* PR 17754: We use to FILNMLEN for the size of the x_fname
592
       array, but that cause problems as PE targets use a larger
593
       value.  We cannot use their definition of EFILNMLEN as this
594
       header can be used without including any PE headers.  */
595
    char x_fname[20];
5191 serge 596
    struct
597
    {
598
      long x_zeroes;
599
      long x_offset;
600
    }      x_n;
601
  }     x_file;
602
 
603
  struct
604
  {
605
    long x_scnlen;		/* section length */
606
    unsigned short x_nreloc;	/* # relocation entries */
607
    unsigned short x_nlinno;	/* # line numbers */
608
    unsigned long x_checksum;	/* section COMDAT checksum for PE */
609
    unsigned short x_associated; /* COMDAT associated section index for PE */
610
    unsigned char x_comdat;	/* COMDAT selection number for PE */
611
  }      x_scn;
612
 
613
  struct
614
  {
615
    long x_tvfill;		/* tv fill value */
616
    unsigned short x_tvlen;	/* length of .tv */
617
    unsigned short x_tvran[2];	/* tv range */
618
  }      x_tv;			/* info about .tv section (in auxent of symbol .tv)) */
619
 
620
  /******************************************
621
   * RS/6000-specific auxent - last auxent for every external symbol
622
   ******************************************/
623
  struct
624
  {
625
    union
626
      {				/* csect length or enclosing csect */
627
	bfd_signed_vma l;
628
	struct coff_ptr_struct *p;
629
      } x_scnlen;
630
    long x_parmhash;		/* parm type hash index */
631
    unsigned short x_snhash;	/* sect num with parm hash */
632
    unsigned char x_smtyp;	/* symbol align and type */
633
    /* 0-4 - Log 2 of alignment */
634
    /* 5-7 - symbol type */
635
    unsigned char x_smclas;	/* storage mapping class */
636
    long x_stab;		/* dbx stab info index */
637
    unsigned short x_snstab;	/* sect num with dbx stab */
638
  }      x_csect;		/* csect definition information */
639
 
640
/* x_smtyp values:  */
641
 
642
#define	SMTYP_ALIGN(x)	((x) >> 3)	/* log2 of alignment */
643
#define	SMTYP_SMTYP(x)	((x) & 0x7)	/* symbol type */
644
/* Symbol type values:  */
645
#define	XTY_ER	0		/* External reference */
646
#define	XTY_SD	1		/* Csect definition */
647
#define	XTY_LD	2		/* Label definition */
648
#define XTY_CM	3		/* .BSS */
649
#define	XTY_EM	4		/* Error message */
650
#define	XTY_US	5		/* "Reserved for internal use" */
651
 
652
/* x_smclas values:  */
653
 
654
#define	XMC_PR	0		/* Read-only program code */
655
#define	XMC_RO	1		/* Read-only constant */
656
#define	XMC_DB	2		/* Read-only debug dictionary table */
657
#define	XMC_TC	3		/* Read-write general TOC entry */
658
#define	XMC_UA	4		/* Read-write unclassified */
659
#define	XMC_RW	5		/* Read-write data */
660
#define	XMC_GL	6		/* Read-only global linkage */
661
#define	XMC_XO	7		/* Read-only extended operation */
662
#define	XMC_SV	8		/* Read-only supervisor call */
663
#define	XMC_BS	9		/* Read-write BSS */
664
#define	XMC_DS	10		/* Read-write descriptor csect */
665
#define	XMC_UC	11		/* Read-write unnamed Fortran common */
666
#define	XMC_TI	12		/* Read-only traceback index csect */
667
#define	XMC_TB	13		/* Read-only traceback table csect */
668
/* 		14	??? */
669
#define	XMC_TC0	15		/* Read-write TOC anchor */
670
#define XMC_TD	16		/* Read-write data in TOC */
671
 
672
  /******************************************
673
   *  I960-specific *2nd* aux. entry formats
674
   ******************************************/
675
  struct
676
  {
677
    /* This is a very old typo that keeps getting propagated. */
678
#define x_stdindx x_stindx
679
    long x_stindx;		/* sys. table entry */
680
  }      x_sc;			/* system call entry */
681
 
682
  struct
683
  {
684
    unsigned long x_balntry;	/* BAL entry point */
685
  }      x_bal;			/* BAL-callable function */
686
 
687
  struct
688
  {
689
    unsigned long x_timestamp;	/* time stamp */
690
    char x_idstring[20];	/* producer identity string */
691
  }      x_ident;		/* Producer ident info */
692
 
693
};
694
 
695
/********************** RELOCATION DIRECTIVES **********************/
696
 
697
struct internal_reloc
698
{
699
  bfd_vma r_vaddr;		/* Virtual address of reference */
700
  long r_symndx;		/* Index into symbol table	*/
701
  unsigned short r_type;	/* Relocation type		*/
702
  unsigned char r_size;		/* Used by RS/6000 and ECOFF	*/
703
  unsigned char r_extern;	/* Used by ECOFF		*/
704
  unsigned long r_offset;	/* Used by Alpha ECOFF, SPARC, others */
705
};
706
 
707
/* X86-64 relocations.  */
708
#define R_AMD64_ABS 		 0 /* Reference is absolute, no relocation is necessary.  */
709
#define R_AMD64_DIR64		 1 /* 64-bit address (VA).  */
710
#define R_AMD64_DIR32		 2 /* 32-bit address (VA) R_DIR32.  */
711
#define R_AMD64_IMAGEBASE	 3 /* 32-bit absolute ref w/o base R_IMAGEBASE.  */
712
#define R_AMD64_PCRLONG		 4 /* 32-bit relative address from byte following reloc R_PCRLONG.  */
713
#define R_AMD64_PCRLONG_1	 5 /* 32-bit relative address from byte distance 1 from reloc.  */
714
#define R_AMD64_PCRLONG_2	 6 /* 32-bit relative address from byte distance 2 from reloc.  */
715
#define R_AMD64_PCRLONG_3	 7 /* 32-bit relative address from byte distance 3 from reloc.  */
716
#define R_AMD64_PCRLONG_4	 8 /* 32-bit relative address from byte distance 4 from reloc.  */
717
#define R_AMD64_PCRLONG_5	 9 /* 32-bit relative address from byte distance 5 from reloc.  */
718
#define R_AMD64_SECTION		10 /* Section index.  */
719
#define R_AMD64_SECREL		11 /* 32 bit offset from base of section containing target R_SECREL.  */
720
#define R_AMD64_SECREL7		12 /* 7 bit unsigned offset from base of section containing target.  */
721
#define R_AMD64_TOKEN		13 /* 32 bit metadata token.  */
722
#define R_AMD64_PCRQUAD		14 /* Pseude PC64 relocation - Note: not specified by MS/AMD but need for gas pc-relative 64bit wide relocation generated by ELF.  */
723
 
724
/* i386 Relocations.  */
725
 
726
#define R_DIR16 	 1
727
#define R_REL24          5
728
#define R_DIR32 	 6
729
#define R_IMAGEBASE	 7
730
#define R_SECREL32	11
731
#define R_RELBYTE	15
732
#define R_RELWORD	16
733
#define R_RELLONG	17
734
#define R_PCRBYTE	18
735
#define R_PCRWORD	19
736
#define R_PCRLONG	20
737
#define R_PCR24         21
738
#define R_IPRSHORT	24
739
#define R_IPRLONG	26
740
#define R_GETSEG	29
741
#define R_GETPA 	30
742
#define R_TAGWORD	31
743
#define R_JUMPTARG	32	/* strange 29k 00xx00xx reloc */
744
#define R_PARTLS16      32
745
#define R_PARTMS8       33
746
 
747
#define R_PCR16L       128
748
#define R_PCR26L       129
749
#define R_VRT16        130
750
#define R_HVRT16       131
751
#define R_LVRT16       132
752
#define R_VRT32        133
753
 
754
 
755
/* This reloc identifies mov.b instructions with a 16bit absolute
756
   address.  The linker tries to turn insns with this reloc into
757
   an absolute 8-bit address.  */
758
#define R_MOV16B1    	0x41
759
 
760
/* This reloc identifies mov.b instructions which had a 16bit
761
   absolute address which have been shortened into a 8-bit
762
   absolute address.  */
763
#define R_MOV16B2 	0x42
764
 
765
/* This reloc identifies jmp insns with a 16bit target address;
766
   the linker tries to turn these insns into bra insns with
767
   an 8bit pc-relative target.  */
768
#define R_JMP1     	0x43
769
 
770
/* This reloc identifies a bra with an 8-bit pc-relative
771
   target that was formerly a jmp insn with a 16bit target.  */
772
#define R_JMP2 		0x44
773
 
774
/* ??? */
775
#define R_RELLONG_NEG  	0x45
776
 
777
/* This reloc identifies jmp insns with a 24bit target address;
778
   the linker tries to turn these insns into bra insns with
779
   an 8bit pc-relative target.  */
780
#define R_JMPL1     	0x46
781
 
782
/* This reloc identifies a bra with an 8-bit pc-relative
783
   target that was formerly a jmp insn with a 24bit target.  */
784
#define R_JMPL2		0x47
785
 
786
/* This reloc identifies mov.b instructions with a 24bit absolute
787
   address.  The linker tries to turn insns with this reloc into
788
   an absolute 8-bit address.  */
789
 
790
#define R_MOV24B1    	0x48
791
 
792
/* This reloc identifies mov.b instructions which had a 24bit
793
   absolute address which have been shortened into a 8-bit
794
   absolute address.  */
795
#define R_MOV24B2 	0x49
796
 
797
/* An h8300 memory indirect jump/call.  Forces the address of the jump/call
798
   target into the function vector (in page zero), and the address of the
799
   vector entry to be placed in the jump/call instruction.  */
800
#define R_MEM_INDIRECT	0x4a
801
 
802
/* This reloc identifies a 16bit pc-relative branch target which was
803
   shortened into an 8bit pc-relative branch target.  */
804
#define R_PCRWORD_B	0x4b
805
 
806
/* This reloc identifies mov.[wl] instructions with a 32/24 bit
807
   absolute address; the linker may turn this into a mov.[wl]
808
   insn with a 16bit absolute address.  */
809
#define R_MOVL1    	0x4c
810
 
811
/* This reloc identifies mov.[wl] insns which formerly had
812
   a 32/24bit absolute address and now have a 16bit absolute address.  */
813
#define R_MOVL2 	0x4d
814
 
815
/* This reloc identifies a bCC:8 which will have it's condition
816
   inverted and its target redirected to the target of the branch
817
   in the following insn.  */
818
#define R_BCC_INV	0x4e
819
 
820
/* This reloc identifies a jmp instruction that has been deleted.  */
821
#define R_JMP_DEL	0x4f
822
 
823
/* Z8k modes */
824
#define R_IMM16   0x01		/* 16 bit abs */
825
#define R_JR	  0x02		/* jr  8 bit disp */
826
#define R_IMM4L   0x23		/* low nibble */
827
#define R_IMM8    0x22		/* 8 bit abs */
828
#define R_IMM32   R_RELLONG	/* 32 bit abs */
829
#define R_CALL    R_DA		/* Absolute address which could be a callr */
830
#define R_JP	  R_DA		/* Absolute address which could be a jp */
831
#define R_REL16   0x04		/* 16 bit PC rel */
832
#define R_CALLR	  0x05		/* callr 12 bit disp */
833
#define R_SEG     0x10		/* set if in segmented mode */
834
#define R_IMM4H   0x24		/* high nibble */
835
#define R_DISP7   0x25          /* djnz displacement */
836
 
837
/* Z80 modes */
838
#define R_OFF8    0x32		/* 8 bit signed abs, for (i[xy]+d) */
839
#define R_IMM24   0x33          /* 24 bit abs */
840
/* R_JR, R_IMM8, R_IMM16, R_IMM32 - as for Z8k */
841
 
842
/* H8500 modes */
843
 
844
#define R_H8500_IMM8  	1		/*  8 bit immediate 	*/
845
#define R_H8500_IMM16 	2		/* 16 bit immediate	*/
846
#define R_H8500_PCREL8 	3		/*  8 bit pcrel 	*/
847
#define R_H8500_PCREL16 4		/* 16 bit pcrel 	*/
848
#define R_H8500_HIGH8  	5		/* high 8 bits of 24 bit address */
849
#define R_H8500_LOW16 	7		/* low 16 bits of 24 bit immediate */
850
#define R_H8500_IMM24	6		/* 24 bit immediate */
851
#define R_H8500_IMM32   8               /* 32 bit immediate */
852
#define R_H8500_HIGH16  9		/* high 16 bits of 32 bit immediate */
853
 
854
/* W65 modes */
855
 
856
#define R_W65_ABS8	1  /* addr & 0xff 		*/
857
#define R_W65_ABS16	2  /* addr & 0xffff 		*/
858
#define R_W65_ABS24	3  /* addr & 0xffffff 		*/
859
 
860
#define R_W65_ABS8S8    4  /* (addr >> 8) & 0xff 	*/
861
#define R_W65_ABS8S16   5  /* (addr >> 16) & 0xff 	*/
862
 
863
#define R_W65_ABS16S8   6  /* (addr >> 8) & 0ffff 	*/
864
#define R_W65_ABS16S16  7  /* (addr >> 16) & 0ffff 	*/
865
 
866
#define R_W65_PCR8	8
867
#define R_W65_PCR16	9
868
 
869
#define R_W65_DP       10  /* direct page 8 bits only   */
870
 
871
#endif /* GNU_COFF_INTERNAL_H */