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

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