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/* Internal format of COFF object file data structures, for GNU BFD.
2
   This file is part of BFD, the Binary File Descriptor library.
3
 
4
   Copyright 1999, 2000, 2001, 2002, 2003, 2004. 2005, 2006, 2007, 2009,
5
   2010  Free Software Foundation, Inc.
6
 
7
   This program is free software; you can redistribute it and/or modify
8
   it under the terms of the GNU General Public License as published by
9
   the Free Software Foundation; either version 3 of the License, or
10
   (at your option) any later version.
11
 
12
   This program is distributed in the hope that it will be useful,
13
   but WITHOUT ANY WARRANTY; without even the implied warranty of
14
   MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
15
   GNU General Public License for more details.
16
 
17
   You should have received a copy of the GNU General Public License
18
   along with this program; if not, write to the Free Software
19
   Foundation, Inc., 51 Franklin Street - Fifth Floor, Boston,
20
   MA 02110-1301, USA.  */
21
 
22
#ifndef GNU_COFF_INTERNAL_H
23
#define GNU_COFF_INTERNAL_H 1
24
 
25
/* First, make "signed char" work, even on old compilers. */
26
#ifndef signed
27
#ifndef __STDC__
28
#define signed                  /**/
29
#endif
30
#endif
31
 
32
/********************** FILE HEADER **********************/
33
 
34
/* extra stuff in a PE header. */
35
 
36
struct internal_extra_pe_filehdr
37
{
38
  /* DOS header data follows for PE stuff */
39
  unsigned short e_magic;       /* Magic number, 0x5a4d */
40
  unsigned short e_cblp;        /* Bytes on last page of file, 0x90 */
41
  unsigned short e_cp;          /* Pages in file, 0x3 */
42
  unsigned short e_crlc;        /* Relocations, 0x0 */
43
  unsigned short e_cparhdr;     /* Size of header in paragraphs, 0x4 */
44
  unsigned short e_minalloc;    /* Minimum extra paragraphs needed, 0x0 */
45
  unsigned short e_maxalloc;    /* Maximum extra paragraphs needed, 0xFFFF */
46
  unsigned short e_ss;          /* Initial (relative) SS value, 0x0 */
47
  unsigned short e_sp;          /* Initial SP value, 0xb8 */
48
  unsigned short e_csum;        /* Checksum, 0x0 */
49
  unsigned short e_ip;          /* Initial IP value, 0x0 */
50
  unsigned short e_cs;          /* Initial (relative) CS value, 0x0 */
51
  unsigned short e_lfarlc;      /* File address of relocation table, 0x40 */
52
  unsigned short e_ovno;        /* Overlay number, 0x0 */
53
  unsigned short e_res[4];      /* Reserved words, all 0x0 */
54
  unsigned short e_oemid;       /* OEM identifier (for e_oeminfo), 0x0 */
55
  unsigned short e_oeminfo;     /* OEM information; e_oemid specific, 0x0 */
56
  unsigned short e_res2[10];    /* Reserved words, all 0x0 */
57
  bfd_vma  e_lfanew;            /* File address of new exe header, 0x80 */
58
  unsigned long dos_message[16]; /* text which always follows dos header */
59
  bfd_vma  nt_signature;        /* required NT signature, 0x4550 */
60
};
61
 
62
#define GO32_STUBSIZE 2048
63
 
64
struct internal_filehdr
65
{
66
  struct internal_extra_pe_filehdr pe;
67
 
68
  /* coff-stgo32 EXE stub header before BFD tdata has been allocated.
69
     Its data is kept in INTERNAL_FILEHDR.GO32STUB afterwards.
70
 
71
     F_GO32STUB is set iff go32stub contains a valid data.  Artifical headers
72
     created in BFD have no pre-set go32stub.  */
73
  char go32stub[GO32_STUBSIZE];
74
 
75
  /* Standard coff internal info.  */
76
  unsigned short f_magic;       /* magic number                 */
77
  unsigned short f_nscns;       /* number of sections           */
78
  long f_timdat;                /* time & date stamp            */
79
  bfd_vma f_symptr;             /* file pointer to symtab       */
80
  long f_nsyms;                 /* number of symtab entries     */
81
  unsigned short f_opthdr;      /* sizeof(optional hdr)         */
82
  unsigned short f_flags;       /* flags                        */
83
  unsigned short f_target_id;   /* (TI COFF specific)           */
84
};
85
 
86
 
87
/* Bits for f_flags:
88
        F_RELFLG        relocation info stripped from file
89
        F_EXEC          file is executable (no unresolved external references)
90
        F_LNNO          line numbers stripped from file
91
        F_LSYMS         local symbols stripped from file
92
        F_AR16WR        file is 16-bit little-endian
93
        F_AR32WR        file is 32-bit little-endian
94
        F_AR32W         file is 32-bit big-endian
95
        F_DYNLOAD       rs/6000 aix: dynamically loadable w/imports & exports
96
        F_SHROBJ        rs/6000 aix: file is a shared object
97
        F_DLL           PE format DLL
98
        F_GO32STUB      Field go32stub contains valid data.  */
99
 
100
#define F_RELFLG        (0x0001)
101
#define F_EXEC          (0x0002)
102
#define F_LNNO          (0x0004)
103
#define F_LSYMS         (0x0008)
104
#define F_AR16WR        (0x0080)
105
#define F_AR32WR        (0x0100)
106
#define F_AR32W         (0x0200)
107
#define F_DYNLOAD       (0x1000)
108
#define F_SHROBJ        (0x2000)
109
#define F_DLL           (0x2000)
110
#define F_GO32STUB      (0x4000)
111
 
112
/* Extra structure which is used in the optional header.  */
113
typedef struct _IMAGE_DATA_DIRECTORY
114
{
115
  bfd_vma VirtualAddress;
116
  long    Size;
117
}  IMAGE_DATA_DIRECTORY;
118
#define PE_EXPORT_TABLE                 0
119
#define PE_IMPORT_TABLE                 1
120
#define PE_RESOURCE_TABLE               2
121
#define PE_EXCEPTION_TABLE              3
122
#define PE_CERTIFICATE_TABLE            4
123
#define PE_BASE_RELOCATION_TABLE        5
124
#define PE_DEBUG_DATA                   6
125
#define PE_ARCHITECTURE                 7
126
#define PE_GLOBAL_PTR                   8
127
#define PE_TLS_TABLE                    9
128
#define PE_LOAD_CONFIG_TABLE            10
129
#define PE_BOUND_IMPORT_TABLE           11
130
#define PE_IMPORT_ADDRESS_TABLE         12
131
#define PE_DELAY_IMPORT_DESCRIPTOR      13
132
#define PE_CLR_RUNTIME_HEADER           14
133
/* DataDirectory[15] is currently reserved, so no define. */
134
#define IMAGE_NUMBEROF_DIRECTORY_ENTRIES  16
135
 
136
/* Default image base for NT.  */
137
#define NT_EXE_IMAGE_BASE 0x400000
138
#define NT_DLL_IMAGE_BASE 0x10000000
139
 
140
/* Default image base for BeOS. */
141
#define BEOS_EXE_IMAGE_BASE 0x80000000
142
#define BEOS_DLL_IMAGE_BASE 0x10000000
143
 
144
/* Extra stuff in a PE aouthdr */
145
 
146
#define PE_DEF_SECTION_ALIGNMENT 0x1000
147
#ifndef PE_DEF_FILE_ALIGNMENT
148
# define PE_DEF_FILE_ALIGNMENT 0x200
149
#endif
150
 
151
struct internal_extra_pe_aouthdr
152
{
153
  /* FIXME: The following entries are in AOUTHDR.  But they aren't
154
     available internally in bfd.  We add them here so that objdump
155
     can dump them.  */
156
  /* The state of the image file  */
157
  short Magic;
158
  /* Linker major version number */
159
  char MajorLinkerVersion;
160
  /* Linker minor version number  */
161
  char MinorLinkerVersion;
162
  /* Total size of all code sections  */
163
  long SizeOfCode;
164
  /* Total size of all initialized data sections  */
165
  long SizeOfInitializedData;
166
  /* Total size of all uninitialized data sections  */
167
  long SizeOfUninitializedData;
168
  /* Address of entry point relative to image base.  */
169
  bfd_vma AddressOfEntryPoint;
170
  /* Address of the first code section relative to image base.  */
171
  bfd_vma BaseOfCode;
172
  /* Address of the first data section relative to image base.  */
173
  bfd_vma BaseOfData;
174
 
175
  /* PE stuff  */
176
  bfd_vma ImageBase;            /* address of specific location in memory that
177
                                   file is located, NT default 0x10000 */
178
 
179
  bfd_vma SectionAlignment;     /* section alignment default 0x1000 */
180
  bfd_vma FileAlignment;        /* file alignment default 0x200 */
181
  short   MajorOperatingSystemVersion; /* minimum version of the operating */
182
  short   MinorOperatingSystemVersion; /* system req'd for exe, default to 1*/
183
  short   MajorImageVersion;    /* user defineable field to store version of */
184
  short   MinorImageVersion;    /* exe or dll being created, default to 0 */
185
  short   MajorSubsystemVersion; /* minimum subsystem version required to */
186
  short   MinorSubsystemVersion; /* run exe; default to 3.1 */
187
  long    Reserved1;            /* seems to be 0 */
188
  long    SizeOfImage;          /* size of memory to allocate for prog */
189
  long    SizeOfHeaders;        /* size of PE header and section table */
190
  long    CheckSum;             /* set to 0 */
191
  short   Subsystem;
192
 
193
  /* type of subsystem exe uses for user interface,
194
     possible values:
195
     1 - NATIVE   Doesn't require a subsystem
196
     2 - WINDOWS_GUI runs in Windows GUI subsystem
197
     3 - WINDOWS_CUI runs in Windows char sub. (console app)
198
     5 - OS2_CUI runs in OS/2 character subsystem
199
     7 - POSIX_CUI runs in Posix character subsystem */
200
  unsigned short DllCharacteristics; /* flags for DLL init  */
201
  bfd_vma SizeOfStackReserve;   /* amount of memory to reserve  */
202
  bfd_vma SizeOfStackCommit;    /* amount of memory initially committed for
203
                                   initial thread's stack, default is 0x1000 */
204
  bfd_vma SizeOfHeapReserve;    /* amount of virtual memory to reserve and */
205
  bfd_vma SizeOfHeapCommit;     /* commit, don't know what to defaut it to */
206
  long    LoaderFlags;          /* can probably set to 0 */
207
  long    NumberOfRvaAndSizes;  /* number of entries in next entry, 16 */
208
  IMAGE_DATA_DIRECTORY DataDirectory[IMAGE_NUMBEROF_DIRECTORY_ENTRIES];
209
};
210
 
211
/********************** AOUT "OPTIONAL HEADER" **********************/
212
struct internal_aouthdr
213
{
214
  short magic;                  /* type of file                         */
215
  short vstamp;                 /* version stamp                        */
216
  bfd_vma tsize;                /* text size in bytes, padded to FW bdry*/
217
  bfd_vma dsize;                /* initialized data "  "                */
218
  bfd_vma bsize;                /* uninitialized data "   "             */
219
  bfd_vma entry;                /* entry pt.                            */
220
  bfd_vma text_start;           /* base of text used for this file */
221
  bfd_vma data_start;           /* base of data used for this file */
222
 
223
  /* i960 stuff */
224
  unsigned long tagentries;     /* number of tag entries to follow */
225
 
226
  /* RS/6000 stuff */
227
  bfd_vma o_toc;                /* address of TOC                       */
228
  short o_snentry;              /* section number for entry point */
229
  short o_sntext;               /* section number for text      */
230
  short o_sndata;               /* section number for data      */
231
  short o_sntoc;                /* section number for toc       */
232
  short o_snloader;             /* section number for loader section */
233
  short o_snbss;                /* section number for bss       */
234
  short o_algntext;             /* max alignment for text       */
235
  short o_algndata;             /* max alignment for data       */
236
  short o_modtype;              /* Module type field, 1R,RE,RO  */
237
  short o_cputype;              /* Encoded CPU type             */
238
  bfd_vma o_maxstack;   /* max stack size allowed.      */
239
  bfd_vma o_maxdata;    /* max data size allowed.       */
240
 
241
  /* ECOFF stuff */
242
  bfd_vma bss_start;            /* Base of bss section.         */
243
  bfd_vma gp_value;             /* GP register value.           */
244
  unsigned long gprmask;        /* General registers used.      */
245
  unsigned long cprmask[4];     /* Coprocessor registers used.  */
246
  unsigned long fprmask;        /* Floating pointer registers used.  */
247
 
248
  /* Apollo stuff */
249
  long o_inlib;                 /* inlib data */
250
  long o_sri;                   /* Static Resource Information */
251
  long vid[2];                  /* Version id */
252
 
253
  struct internal_extra_pe_aouthdr pe;
254
};
255
 
256
/********************** STORAGE CLASSES **********************/
257
 
258
/* This used to be defined as -1, but now n_sclass is unsigned.  */
259
#define C_EFCN          0xff    /* physical end of function     */
260
#define C_NULL          0
261
#define C_AUTO          1       /* automatic variable           */
262
#define C_EXT           2       /* external symbol              */
263
#define C_STAT          3       /* static                       */
264
#define C_REG           4       /* register variable            */
265
#define C_EXTDEF        5       /* external definition          */
266
#define C_LABEL         6       /* label                        */
267
#define C_ULABEL        7       /* undefined label              */
268
#define C_MOS           8       /* member of structure          */
269
#define C_ARG           9       /* function argument            */
270
#define C_STRTAG        10      /* structure tag                */
271
#define C_MOU           11      /* member of union              */
272
#define C_UNTAG         12      /* union tag                    */
273
#define C_TPDEF         13      /* type definition              */
274
#define C_USTATIC       14      /* undefined static             */
275
#define C_ENTAG         15      /* enumeration tag              */
276
#define C_MOE           16      /* member of enumeration        */
277
#define C_REGPARM       17      /* register parameter           */
278
#define C_FIELD         18      /* bit field                    */
279
#define C_AUTOARG       19      /* auto argument                */
280
#define C_LASTENT       20      /* dummy entry (end of block)   */
281
#define C_BLOCK         100     /* ".bb" or ".eb"               */
282
#define C_FCN           101     /* ".bf" or ".ef"               */
283
#define C_EOS           102     /* end of structure             */
284
#define C_FILE          103     /* file name                    */
285
#define C_LINE          104     /* line # reformatted as symbol table entry */
286
#define C_ALIAS         105     /* duplicate tag                */
287
#define C_HIDDEN        106     /* ext symbol in dmert public lib */
288
#define C_WEAKEXT       127     /* weak symbol -- GNU extension.  */
289
 
290
/* New storage classes for TI COFF */
291
#define C_UEXT          19      /* Tentative external definition */
292
#define C_STATLAB       20      /* Static load time label */
293
#define C_EXTLAB        21      /* External load time label */
294
#define C_SYSTEM        23      /* System Wide variable */
295
 
296
/* New storage classes for WINDOWS_NT   */
297
#define C_SECTION       104     /* section name */
298
#define C_NT_WEAK       105     /* weak external */
299
 
300
 /* New storage classes for 80960 */
301
 
302
/* C_LEAFPROC is obsolete.  Use C_LEAFEXT or C_LEAFSTAT */
303
#define C_LEAFPROC      108     /* Leaf procedure, "call" via BAL */
304
 
305
#define C_SCALL         107     /* Procedure reachable via system call */
306
#define C_LEAFEXT       108     /* External leaf */
307
#define C_LEAFSTAT      113     /* Static leaf */
308
#define C_OPTVAR        109     /* Optimized variable           */
309
#define C_DEFINE        110     /* Preprocessor #define         */
310
#define C_PRAGMA        111     /* Advice to compiler or linker */
311
#define C_SEGMENT       112     /* 80960 segment name           */
312
 
313
  /* Storage classes for m88k */
314
#define C_SHADOW        107     /* shadow symbol                */
315
#define C_VERSION       108     /* coff version symbol          */
316
 
317
 /* New storage classes for RS/6000 */
318
#define C_HIDEXT        107     /* Un-named external symbol */
319
#define C_BINCL         108     /* Marks beginning of include file */
320
#define C_EINCL         109     /* Marks ending of include file */
321
#define C_AIX_WEAKEXT   111     /* AIX definition of C_WEAKEXT.  */
322
 
323
#define C_NULL_VALUE    0x00de1e00    /* Value for a C_NULL deleted entry.  */
324
 
325
#if defined _AIX52 || defined AIX_WEAK_SUPPORT
326
#undef C_WEAKEXT
327
#define C_WEAKEXT       C_AIX_WEAKEXT
328
#endif
329
 
330
 /* storage classes for stab symbols for RS/6000 */
331
#define C_GSYM          (0x80)
332
#define C_LSYM          (0x81)
333
#define C_PSYM          (0x82)
334
#define C_RSYM          (0x83)
335
#define C_RPSYM         (0x84)
336
#define C_STSYM         (0x85)
337
#define C_TCSYM         (0x86)
338
#define C_BCOMM         (0x87)
339
#define C_ECOML         (0x88)
340
#define C_ECOMM         (0x89)
341
#define C_DECL          (0x8c)
342
#define C_ENTRY         (0x8d)
343
#define C_FUN           (0x8e)
344
#define C_BSTAT         (0x8f)
345
#define C_ESTAT         (0x90)
346
 
347
/* Storage classes for Thumb symbols */
348
#define C_THUMBEXT      (128 + C_EXT)           /* 130 */
349
#define C_THUMBSTAT     (128 + C_STAT)          /* 131 */
350
#define C_THUMBLABEL    (128 + C_LABEL)         /* 134 */
351
#define C_THUMBEXTFUNC  (C_THUMBEXT  + 20)      /* 150 */
352
#define C_THUMBSTATFUNC (C_THUMBSTAT + 20)      /* 151 */
353
 
354
/* True if XCOFF symbols of class CLASS have auxillary csect information.  */
355
#define CSECT_SYM_P(CLASS) \
356
  ((CLASS) == C_EXT || (CLASS) == C_AIX_WEAKEXT || (CLASS) == C_HIDEXT)
357
 
358
/********************** SECTION HEADER **********************/
359
 
360
#define SCNNMLEN (8)
361
 
362
struct internal_scnhdr
363
{
364
  char s_name[SCNNMLEN];        /* section name                 */
365
 
366
  /* Physical address, aliased s_nlib.
367
     In the pei format, this field is the virtual section size
368
     (the size of the section after being loaded int memory),
369
     NOT the physical address.  */
370
  bfd_vma s_paddr;
371
 
372
  bfd_vma s_vaddr;              /* virtual address              */
373
  bfd_vma s_size;               /* section size                 */
374
  bfd_vma s_scnptr;             /* file ptr to raw data for section */
375
  bfd_vma s_relptr;             /* file ptr to relocation       */
376
  bfd_vma s_lnnoptr;            /* file ptr to line numbers     */
377
  unsigned long s_nreloc;       /* number of relocation entries */
378
  unsigned long s_nlnno;        /* number of line number entries*/
379
  long s_flags;                 /* flags                        */
380
  long s_align;                 /* used on I960                 */
381
  unsigned char s_page;         /* TI COFF load page            */
382
};
383
 
384
/* s_flags "type".  */
385
#define STYP_REG         (0x0000)       /* "regular": allocated, relocated, loaded */
386
#define STYP_DSECT       (0x0001)       /* "dummy":  relocated only*/
387
#define STYP_NOLOAD      (0x0002)       /* "noload": allocated, relocated, not loaded */
388
#define STYP_GROUP       (0x0004)       /* "grouped": formed of input sections */
389
#define STYP_PAD         (0x0008)       /* "padding": not allocated, not relocated, loaded */
390
#define STYP_COPY        (0x0010)       /* "copy": for decision function used by field update;  not allocated, not relocated,
391
                                                                             loaded; reloc & lineno entries processed normally */
392
#define STYP_TEXT        (0x0020)       /* section contains text only */
393
#define S_SHRSEG         (0x0020)       /* In 3b Update files (output of ogen), sections which appear in SHARED segments of the Pfile
394
                                                                             will have the S_SHRSEG flag set by ogen, to inform dufr that updating 1 copy of the proc. will
395
                                                                             update all process invocations. */
396
#define STYP_DATA        (0x0040)       /* section contains data only */
397
#define STYP_BSS         (0x0080)       /* section contains bss only */
398
#define S_NEWFCN         (0x0100)       /* In a minimal file or an update file, a new function (as compared with a replaced function) */
399
#define STYP_INFO        (0x0200)       /* comment: not allocated not relocated, not loaded */
400
#define STYP_OVER        (0x0400)       /* overlay: relocated not allocated or loaded */
401
#define STYP_LIB         (0x0800)       /* for .lib: same as INFO */
402
#define STYP_MERGE       (0x2000)       /* merge section -- combines with text, data or bss sections only */
403
#define STYP_REVERSE_PAD (0x4000)       /* section will be padded with no-op instructions
404
                                           wherever padding is necessary and there is a
405
                                           word of contiguous bytes beginning on a word
406
                                           boundary. */
407
 
408
#define STYP_LIT        0x8020  /* Literal data (like STYP_TEXT) */
409
 
410
 
411
/********************** LINE NUMBERS **********************/
412
 
413
/* 1 line number entry for every "breakpointable" source line in a section.
414
   Line numbers are grouped on a per function basis; first entry in a function
415
   grouping will have l_lnno = 0 and in place of physical address will be the
416
   symbol table index of the function name.  */
417
 
418
struct internal_lineno
419
{
420
  union
421
  {
422
    bfd_signed_vma l_symndx;            /* function name symbol index, iff l_lnno == 0*/
423
    bfd_signed_vma l_paddr;             /* (physical) address of line number    */
424
  }     l_addr;
425
  unsigned long l_lnno;         /* line number          */
426
};
427
 
428
/********************** SYMBOLS **********************/
429
 
430
#define SYMNMLEN        8       /* # characters in a symbol name        */
431
#define FILNMLEN        14      /* # characters in a file name          */
432
#define DIMNUM          4       /* # array dimensions in auxiliary entry */
433
 
434
struct internal_syment
435
{
436
  union
437
  {
438
    char _n_name[SYMNMLEN];     /* old COFF version             */
439
    struct
440
    {
441
      bfd_hostptr_t _n_zeroes;  /* new == 0                     */
442
      bfd_hostptr_t _n_offset;  /* offset into string table     */
443
    }      _n_n;
444
    char *_n_nptr[2];           /* allows for overlaying        */
445
  }     _n;
446
  bfd_vma n_value;              /* value of symbol              */
447
  short n_scnum;                /* section number               */
448
  unsigned short n_flags;       /* copy of flags from filhdr    */
449
  unsigned short n_type;        /* type and derived type        */
450
  unsigned char n_sclass;       /* storage class                */
451
  unsigned char n_numaux;       /* number of aux. entries       */
452
};
453
 
454
#define n_name          _n._n_name
455
#define n_zeroes        _n._n_n._n_zeroes
456
#define n_offset        _n._n_n._n_offset
457
 
458
/* Relocatable symbols have number of the section in which they are defined,
459
   or one of the following:  */
460
 
461
#define N_UNDEF ((short)0)      /* undefined symbol */
462
#define N_ABS   ((short)-1)     /* value of symbol is absolute */
463
#define N_DEBUG ((short)-2)     /* debugging symbol -- value is meaningless */
464
#define N_TV    ((short)-3)     /* indicates symbol needs preload transfer vector */
465
#define P_TV    ((short)-4)     /* indicates symbol needs postload transfer vector*/
466
 
467
/* Type of a symbol, in low N bits of the word.  */
468
 
469
#define T_NULL          0
470
#define T_VOID          1       /* function argument (only used by compiler) */
471
#define T_CHAR          2       /* character            */
472
#define T_SHORT         3       /* short integer        */
473
#define T_INT           4       /* integer              */
474
#define T_LONG          5       /* long integer         */
475
#define T_FLOAT         6       /* floating point       */
476
#define T_DOUBLE        7       /* double word          */
477
#define T_STRUCT        8       /* structure            */
478
#define T_UNION         9       /* union                */
479
#define T_ENUM          10      /* enumeration          */
480
#define T_MOE           11      /* member of enumeration*/
481
#define T_UCHAR         12      /* unsigned character   */
482
#define T_USHORT        13      /* unsigned short       */
483
#define T_UINT          14      /* unsigned integer     */
484
#define T_ULONG         15      /* unsigned long        */
485
#define T_LNGDBL        16      /* long double          */
486
 
487
/* Derived types, in n_type.  */
488
 
489
#define DT_NON          (0)     /* no derived type */
490
#define DT_PTR          (1)     /* pointer */
491
#define DT_FCN          (2)     /* function */
492
#define DT_ARY          (3)     /* array */
493
 
494
#define BTYPE(x)        ((x) & N_BTMASK)
495
#define DTYPE(x)        (((x) & N_TMASK) >> N_BTSHFT)
496
 
497
#define ISPTR(x) \
498
  (((unsigned long) (x) & N_TMASK) == ((unsigned long) DT_PTR << N_BTSHFT))
499
#define ISFCN(x) \
500
  (((unsigned long) (x) & N_TMASK) == ((unsigned long) DT_FCN << N_BTSHFT))
501
#define ISARY(x) \
502
  (((unsigned long) (x) & N_TMASK) == ((unsigned long) DT_ARY << N_BTSHFT))
503
#define ISTAG(x) \
504
  ((x) == C_STRTAG || (x) == C_UNTAG || (x) == C_ENTAG)
505
#define DECREF(x) \
506
  ((((x) >> N_TSHIFT) & ~ N_BTMASK) | ((x) & N_BTMASK))
507
 
508
union internal_auxent
509
{
510
  struct
511
  {
512
 
513
    union
514
    {
515
      long l;                   /* str, un, or enum tag indx */
516
      struct coff_ptr_struct *p;
517
    }     x_tagndx;
518
 
519
    union
520
    {
521
      struct
522
      {
523
        unsigned short x_lnno;  /* declaration line number */
524
        unsigned short x_size;  /* str/union/array size */
525
      }      x_lnsz;
526
      long x_fsize;             /* size of function */
527
    }     x_misc;
528
 
529
    union
530
    {
531
      struct
532
      {                         /* if ISFCN, tag, or .bb */
533
        bfd_signed_vma x_lnnoptr;               /* ptr to fcn line # */
534
        union
535
        {                       /* entry ndx past block end */
536
          long l;
537
          struct coff_ptr_struct *p;
538
        }     x_endndx;
539
      }      x_fcn;
540
 
541
      struct
542
      {                         /* if ISARY, up to 4 dimen. */
543
        unsigned short x_dimen[DIMNUM];
544
      }      x_ary;
545
    }     x_fcnary;
546
 
547
    unsigned short x_tvndx;     /* tv index */
548
  }      x_sym;
549
 
550
  union
551
  {
552
    char x_fname[FILNMLEN];
553
    struct
554
    {
555
      long x_zeroes;
556
      long x_offset;
557
    }      x_n;
558
  }     x_file;
559
 
560
  struct
561
  {
562
    long x_scnlen;              /* section length */
563
    unsigned short x_nreloc;    /* # relocation entries */
564
    unsigned short x_nlinno;    /* # line numbers */
565
    unsigned long x_checksum;   /* section COMDAT checksum for PE */
566
    unsigned short x_associated; /* COMDAT associated section index for PE */
567
    unsigned char x_comdat;     /* COMDAT selection number for PE */
568
  }      x_scn;
569
 
570
  struct
571
  {
572
    long x_tvfill;              /* tv fill value */
573
    unsigned short x_tvlen;     /* length of .tv */
574
    unsigned short x_tvran[2];  /* tv range */
575
  }      x_tv;                  /* info about .tv section (in auxent of symbol .tv)) */
576
 
577
  /******************************************
578
   * RS/6000-specific auxent - last auxent for every external symbol
579
   ******************************************/
580
  struct
581
  {
582
    union
583
      {                         /* csect length or enclosing csect */
584
        bfd_signed_vma l;
585
        struct coff_ptr_struct *p;
586
      } x_scnlen;
587
    long x_parmhash;            /* parm type hash index */
588
    unsigned short x_snhash;    /* sect num with parm hash */
589
    unsigned char x_smtyp;      /* symbol align and type */
590
    /* 0-4 - Log 2 of alignment */
591
    /* 5-7 - symbol type */
592
    unsigned char x_smclas;     /* storage mapping class */
593
    long x_stab;                /* dbx stab info index */
594
    unsigned short x_snstab;    /* sect num with dbx stab */
595
  }      x_csect;               /* csect definition information */
596
 
597
/* x_smtyp values:  */
598
 
599
#define SMTYP_ALIGN(x)  ((x) >> 3)      /* log2 of alignment */
600
#define SMTYP_SMTYP(x)  ((x) & 0x7)     /* symbol type */
601
/* Symbol type values:  */
602
#define XTY_ER  0                /* External reference */
603
#define XTY_SD  1               /* Csect definition */
604
#define XTY_LD  2               /* Label definition */
605
#define XTY_CM  3               /* .BSS */
606
#define XTY_EM  4               /* Error message */
607
#define XTY_US  5               /* "Reserved for internal use" */
608
 
609
/* x_smclas values:  */
610
 
611
#define XMC_PR  0                /* Read-only program code */
612
#define XMC_RO  1               /* Read-only constant */
613
#define XMC_DB  2               /* Read-only debug dictionary table */
614
#define XMC_TC  3               /* Read-write general TOC entry */
615
#define XMC_UA  4               /* Read-write unclassified */
616
#define XMC_RW  5               /* Read-write data */
617
#define XMC_GL  6               /* Read-only global linkage */
618
#define XMC_XO  7               /* Read-only extended operation */
619
#define XMC_SV  8               /* Read-only supervisor call */
620
#define XMC_BS  9               /* Read-write BSS */
621
#define XMC_DS  10              /* Read-write descriptor csect */
622
#define XMC_UC  11              /* Read-write unnamed Fortran common */
623
#define XMC_TI  12              /* Read-only traceback index csect */
624
#define XMC_TB  13              /* Read-only traceback table csect */
625
/*              14      ??? */
626
#define XMC_TC0 15              /* Read-write TOC anchor */
627
#define XMC_TD  16              /* Read-write data in TOC */
628
 
629
  /******************************************
630
   *  I960-specific *2nd* aux. entry formats
631
   ******************************************/
632
  struct
633
  {
634
    /* This is a very old typo that keeps getting propagated. */
635
#define x_stdindx x_stindx
636
    long x_stindx;              /* sys. table entry */
637
  }      x_sc;                  /* system call entry */
638
 
639
  struct
640
  {
641
    unsigned long x_balntry;    /* BAL entry point */
642
  }      x_bal;                 /* BAL-callable function */
643
 
644
  struct
645
  {
646
    unsigned long x_timestamp;  /* time stamp */
647
    char x_idstring[20];        /* producer identity string */
648
  }      x_ident;               /* Producer ident info */
649
 
650
};
651
 
652
/********************** RELOCATION DIRECTIVES **********************/
653
 
654
struct internal_reloc
655
{
656
  bfd_vma r_vaddr;              /* Virtual address of reference */
657
  long r_symndx;                /* Index into symbol table      */
658
  unsigned short r_type;        /* Relocation type              */
659
  unsigned char r_size;         /* Used by RS/6000 and ECOFF    */
660
  unsigned char r_extern;       /* Used by ECOFF                */
661
  unsigned long r_offset;       /* Used by Alpha ECOFF, SPARC, others */
662
};
663
 
664
/* X86-64 relocations.  */
665
#define R_AMD64_ABS              0 /* Reference is absolute, no relocation is necessary.  */
666
#define R_AMD64_DIR64            1 /* 64-bit address (VA).  */
667
#define R_AMD64_DIR32            2 /* 32-bit address (VA) R_DIR32.  */
668
#define R_AMD64_IMAGEBASE        3 /* 32-bit absolute ref w/o base R_IMAGEBASE.  */
669
#define R_AMD64_PCRLONG          4 /* 32-bit relative address from byte following reloc R_PCRLONG.  */
670
#define R_AMD64_PCRLONG_1        5 /* 32-bit relative address from byte distance 1 from reloc.  */
671
#define R_AMD64_PCRLONG_2        6 /* 32-bit relative address from byte distance 2 from reloc.  */
672
#define R_AMD64_PCRLONG_3        7 /* 32-bit relative address from byte distance 3 from reloc.  */
673
#define R_AMD64_PCRLONG_4        8 /* 32-bit relative address from byte distance 4 from reloc.  */
674
#define R_AMD64_PCRLONG_5        9 /* 32-bit relative address from byte distance 5 from reloc.  */
675
#define R_AMD64_SECTION         10 /* Section index.  */
676
#define R_AMD64_SECREL          11 /* 32 bit offset from base of section containing target R_SECREL.  */
677
#define R_AMD64_SECREL7         12 /* 7 bit unsigned offset from base of section containing target.  */
678
#define R_AMD64_TOKEN           13 /* 32 bit metadata token.  */
679
#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.  */
680
 
681
/* i386 Relocations.  */
682
 
683
#define R_DIR16          1
684
#define R_REL24          5
685
#define R_DIR32          6
686
#define R_IMAGEBASE      7
687
#define R_SECREL32      11
688
#define R_RELBYTE       15
689
#define R_RELWORD       16
690
#define R_RELLONG       17
691
#define R_PCRBYTE       18
692
#define R_PCRWORD       19
693
#define R_PCRLONG       20
694
#define R_PCR24         21
695
#define R_IPRSHORT      24
696
#define R_IPRLONG       26
697
#define R_GETSEG        29
698
#define R_GETPA         30
699
#define R_TAGWORD       31
700
#define R_JUMPTARG      32      /* strange 29k 00xx00xx reloc */
701
#define R_PARTLS16      32
702
#define R_PARTMS8       33
703
 
704
#define R_PCR16L       128
705
#define R_PCR26L       129
706
#define R_VRT16        130
707
#define R_HVRT16       131
708
#define R_LVRT16       132
709
#define R_VRT32        133
710
 
711
 
712
/* This reloc identifies mov.b instructions with a 16bit absolute
713
   address.  The linker tries to turn insns with this reloc into
714
   an absolute 8-bit address.  */
715
#define R_MOV16B1       0x41
716
 
717
/* This reloc identifies mov.b instructions which had a 16bit
718
   absolute address which have been shortened into a 8-bit
719
   absolute address.  */
720
#define R_MOV16B2       0x42
721
 
722
/* This reloc identifies jmp insns with a 16bit target address;
723
   the linker tries to turn these insns into bra insns with
724
   an 8bit pc-relative target.  */
725
#define R_JMP1          0x43
726
 
727
/* This reloc identifies a bra with an 8-bit pc-relative
728
   target that was formerly a jmp insn with a 16bit target.  */
729
#define R_JMP2          0x44
730
 
731
/* ??? */
732
#define R_RELLONG_NEG   0x45
733
 
734
/* This reloc identifies jmp insns with a 24bit target address;
735
   the linker tries to turn these insns into bra insns with
736
   an 8bit pc-relative target.  */
737
#define R_JMPL1         0x46
738
 
739
/* This reloc identifies a bra with an 8-bit pc-relative
740
   target that was formerly a jmp insn with a 24bit target.  */
741
#define R_JMPL2         0x47
742
 
743
/* This reloc identifies mov.b instructions with a 24bit absolute
744
   address.  The linker tries to turn insns with this reloc into
745
   an absolute 8-bit address.  */
746
 
747
#define R_MOV24B1       0x48
748
 
749
/* This reloc identifies mov.b instructions which had a 24bit
750
   absolute address which have been shortened into a 8-bit
751
   absolute address.  */
752
#define R_MOV24B2       0x49
753
 
754
/* An h8300 memory indirect jump/call.  Forces the address of the jump/call
755
   target into the function vector (in page zero), and the address of the
756
   vector entry to be placed in the jump/call instruction.  */
757
#define R_MEM_INDIRECT  0x4a
758
 
759
/* This reloc identifies a 16bit pc-relative branch target which was
760
   shortened into an 8bit pc-relative branch target.  */
761
#define R_PCRWORD_B     0x4b
762
 
763
/* This reloc identifies mov.[wl] instructions with a 32/24 bit
764
   absolute address; the linker may turn this into a mov.[wl]
765
   insn with a 16bit absolute address.  */
766
#define R_MOVL1         0x4c
767
 
768
/* This reloc identifies mov.[wl] insns which formerly had
769
   a 32/24bit absolute address and now have a 16bit absolute address.  */
770
#define R_MOVL2         0x4d
771
 
772
/* This reloc identifies a bCC:8 which will have it's condition
773
   inverted and its target redirected to the target of the branch
774
   in the following insn.  */
775
#define R_BCC_INV       0x4e
776
 
777
/* This reloc identifies a jmp instruction that has been deleted.  */
778
#define R_JMP_DEL       0x4f
779
 
780
/* Z8k modes */
781
#define R_IMM16   0x01          /* 16 bit abs */
782
#define R_JR      0x02          /* jr  8 bit disp */
783
#define R_IMM4L   0x23          /* low nibble */
784
#define R_IMM8    0x22          /* 8 bit abs */
785
#define R_IMM32   R_RELLONG     /* 32 bit abs */
786
#define R_CALL    R_DA          /* Absolute address which could be a callr */
787
#define R_JP      R_DA          /* Absolute address which could be a jp */
788
#define R_REL16   0x04          /* 16 bit PC rel */
789
#define R_CALLR   0x05          /* callr 12 bit disp */
790
#define R_SEG     0x10          /* set if in segmented mode */
791
#define R_IMM4H   0x24          /* high nibble */
792
#define R_DISP7   0x25          /* djnz displacement */
793
 
794
/* Z80 modes */
795
#define R_OFF8    0x32          /* 8 bit signed abs, for (i[xy]+d) */
796
#define R_IMM24   0x33          /* 24 bit abs */
797
/* R_JR, R_IMM8, R_IMM16, R_IMM32 - as for Z8k */
798
 
799
/* H8500 modes */
800
 
801
#define R_H8500_IMM8    1               /*  8 bit immediate     */
802
#define R_H8500_IMM16   2               /* 16 bit immediate     */
803
#define R_H8500_PCREL8  3               /*  8 bit pcrel         */
804
#define R_H8500_PCREL16 4               /* 16 bit pcrel         */
805
#define R_H8500_HIGH8   5               /* high 8 bits of 24 bit address */
806
#define R_H8500_LOW16   7               /* low 16 bits of 24 bit immediate */
807
#define R_H8500_IMM24   6               /* 24 bit immediate */
808
#define R_H8500_IMM32   8               /* 32 bit immediate */
809
#define R_H8500_HIGH16  9               /* high 16 bits of 32 bit immediate */
810
 
811
/* W65 modes */
812
 
813
#define R_W65_ABS8      1  /* addr & 0xff               */
814
#define R_W65_ABS16     2  /* addr & 0xffff             */
815
#define R_W65_ABS24     3  /* addr & 0xffffff           */
816
 
817
#define R_W65_ABS8S8    4  /* (addr >> 8) & 0xff        */
818
#define R_W65_ABS8S16   5  /* (addr >> 16) & 0xff       */
819
 
820
#define R_W65_ABS16S8   6  /* (addr >> 8) & 0ffff       */
821
#define R_W65_ABS16S16  7  /* (addr >> 16) & 0ffff      */
822
 
823
#define R_W65_PCR8      8
824
#define R_W65_PCR16     9
825
 
826
#define R_W65_DP       10  /* direct page 8 bits only   */
827
 
828
#endif /* GNU_COFF_INTERNAL_H */

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