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[/] [or1k/] [trunk/] [insight/] [include/] [coff/] [internal.h] - Blame information for rev 1771

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1 578 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
   Copyright 2001 Free Software Foundation, Inc.
5
 
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 2 of the License, or
9
   (at your option) any later version.
10
 
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.
15
 
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., 59 Temple Place - Suite 330, Boston, MA 02111-1307, USA.  */
19
 
20
#ifndef GNU_COFF_INTERNAL_H
21
#define GNU_COFF_INTERNAL_H 1
22
 
23
/* First, make "signed char" work, even on old compilers. */
24
#ifndef signed
25
#ifndef __STDC__
26
#define signed                  /**/
27
#endif
28
#endif
29
 
30
/********************** FILE HEADER **********************/
31
 
32
/* extra stuff in a PE header. */
33
 
34
struct internal_extra_pe_filehdr
35
{
36
  /* DOS header data follows for PE stuff */
37
  unsigned short e_magic;       /* Magic number, 0x5a4d */
38
  unsigned short e_cblp;        /* Bytes on last page of file, 0x90 */
39
  unsigned short e_cp;          /* Pages in file, 0x3 */
40
  unsigned short e_crlc;        /* Relocations, 0x0 */
41
  unsigned short e_cparhdr;     /* Size of header in paragraphs, 0x4 */
42
  unsigned short e_minalloc;    /* Minimum extra paragraphs needed, 0x0 */
43
  unsigned short e_maxalloc;    /* Maximum extra paragraphs needed, 0xFFFF */
44
  unsigned short e_ss;          /* Initial (relative) SS value, 0x0 */
45
  unsigned short e_sp;          /* Initial SP value, 0xb8 */
46
  unsigned short e_csum;        /* Checksum, 0x0 */
47
  unsigned short e_ip;          /* Initial IP value, 0x0 */
48
  unsigned short e_cs;          /* Initial (relative) CS value, 0x0 */
49
  unsigned short e_lfarlc;      /* File address of relocation table, 0x40 */
50
  unsigned short e_ovno;        /* Overlay number, 0x0 */
51
  unsigned short e_res[4];      /* Reserved words, all 0x0 */
52
  unsigned short e_oemid;       /* OEM identifier (for e_oeminfo), 0x0 */
53
  unsigned short e_oeminfo;     /* OEM information; e_oemid specific, 0x0 */
54
  unsigned short e_res2[10];    /* Reserved words, all 0x0 */
55
  bfd_vma  e_lfanew;            /* File address of new exe header, 0x80 */
56
  unsigned long dos_message[16]; /* text which always follows dos header */
57
  bfd_vma  nt_signature;        /* required NT signature, 0x4550 */
58
};
59
 
60
struct internal_filehdr
61
{
62
  struct internal_extra_pe_filehdr pe;
63
 
64
  /* Standard coff internal info.  */
65
  unsigned short f_magic;       /* magic number                 */
66
  unsigned short f_nscns;       /* number of sections           */
67
  long f_timdat;                /* time & date stamp            */
68
  bfd_vma f_symptr;             /* file pointer to symtab       */
69
  long f_nsyms;                 /* number of symtab entries     */
70
  unsigned short f_opthdr;      /* sizeof(optional hdr)         */
71
  unsigned short f_flags;       /* flags                        */
72
  unsigned short f_target_id;   /* (TI COFF specific)           */
73
};
74
 
75
 
76
/* Bits for f_flags:
77
        F_RELFLG        relocation info stripped from file
78
        F_EXEC          file is executable (no unresolved external references)
79
        F_LNNO          line numbers stripped from file
80
        F_LSYMS         local symbols stripped from file
81
        F_AR16WR        file is 16-bit little-endian
82
        F_AR32WR        file is 32-bit little-endian
83
        F_AR32W         file is 32-bit big-endian
84
        F_DYNLOAD       rs/6000 aix: dynamically loadable w/imports & exports
85
        F_SHROBJ        rs/6000 aix: file is a shared object
86
        F_DLL           PE format DLL.  */
87
 
88
#define F_RELFLG        (0x0001)
89
#define F_EXEC          (0x0002)
90
#define F_LNNO          (0x0004)
91
#define F_LSYMS         (0x0008)
92
#define F_AR16WR        (0x0080)
93
#define F_AR32WR        (0x0100)
94
#define F_AR32W         (0x0200)
95
#define F_DYNLOAD       (0x1000)
96
#define F_SHROBJ        (0x2000)
97
#define F_DLL           (0x2000)
98
 
99
/* Extra structure which is used in the optional header.  */
100
typedef struct _IMAGE_DATA_DIRECTORY
101
{
102
  bfd_vma VirtualAddress;
103
  long    Size;
104
}  IMAGE_DATA_DIRECTORY;
105
#define IMAGE_NUMBEROF_DIRECTORY_ENTRIES  16
106
 
107
/* Default image base for NT.  */
108
#define NT_EXE_IMAGE_BASE 0x400000
109
#define NT_DLL_IMAGE_BASE 0x10000000
110
 
111
/* Default image base for BeOS. */
112
#define BEOS_EXE_IMAGE_BASE 0x80000000
113
#define BEOS_DLL_IMAGE_BASE 0x10000000
114
 
115
/* Extra stuff in a PE aouthdr */
116
 
117
#define PE_DEF_SECTION_ALIGNMENT 0x1000
118
#ifndef PE_DEF_FILE_ALIGNMENT
119
# define PE_DEF_FILE_ALIGNMENT 0x200
120
#endif
121
 
122
struct internal_extra_pe_aouthdr
123
{
124
  /* PE stuff  */
125
  bfd_vma ImageBase;            /* address of specific location in memory that
126
                                   file is located, NT default 0x10000 */
127
 
128
  bfd_vma SectionAlignment;     /* section alignment default 0x1000 */
129
  bfd_vma FileAlignment;        /* file alignment default 0x200 */
130
  short   MajorOperatingSystemVersion; /* minimum version of the operating */
131
  short   MinorOperatingSystemVersion; /* system req'd for exe, default to 1*/
132
  short   MajorImageVersion;    /* user defineable field to store version of */
133
  short   MinorImageVersion;    /* exe or dll being created, default to 0 */
134
  short   MajorSubsystemVersion; /* minimum subsystem version required to */
135
  short   MinorSubsystemVersion; /* run exe; default to 3.1 */
136
  long    Reserved1;            /* seems to be 0 */
137
  long    SizeOfImage;          /* size of memory to allocate for prog */
138
  long    SizeOfHeaders;        /* size of PE header and section table */
139
  long    CheckSum;             /* set to 0 */
140
  short   Subsystem;
141
 
142
  /* type of subsystem exe uses for user interface,
143
     possible values:
144
     1 - NATIVE   Doesn't require a subsystem
145
     2 - WINDOWS_GUI runs in Windows GUI subsystem
146
     3 - WINDOWS_CUI runs in Windows char sub. (console app)
147
     5 - OS2_CUI runs in OS/2 character subsystem
148
     7 - POSIX_CUI runs in Posix character subsystem */
149
  short   DllCharacteristics;   /* flags for DLL init, use 0 */
150
  bfd_vma SizeOfStackReserve;   /* amount of memory to reserve  */
151
  bfd_vma SizeOfStackCommit;    /* amount of memory initially committed for
152
                                   initial thread's stack, default is 0x1000 */
153
  bfd_vma SizeOfHeapReserve;    /* amount of virtual memory to reserve and */
154
  bfd_vma SizeOfHeapCommit;     /* commit, don't know what to defaut it to */
155
  long    LoaderFlags;          /* can probably set to 0 */
156
  long    NumberOfRvaAndSizes;  /* number of entries in next entry, 16 */
157
  IMAGE_DATA_DIRECTORY DataDirectory[IMAGE_NUMBEROF_DIRECTORY_ENTRIES];
158
};
159
 
160
/********************** AOUT "OPTIONAL HEADER" **********************/
161
struct internal_aouthdr
162
{
163
  short magic;                  /* type of file                         */
164
  short vstamp;                 /* version stamp                        */
165
  bfd_vma tsize;                /* text size in bytes, padded to FW bdry*/
166
  bfd_vma dsize;                /* initialized data "  "                */
167
  bfd_vma bsize;                /* uninitialized data "   "             */
168
  bfd_vma entry;                /* entry pt.                            */
169
  bfd_vma text_start;           /* base of text used for this file */
170
  bfd_vma data_start;           /* base of data used for this file */
171
 
172
  /* i960 stuff */
173
  unsigned long tagentries;     /* number of tag entries to follow */
174
 
175
  /* RS/6000 stuff */
176
  bfd_vma o_toc;                /* address of TOC                       */
177
  short o_snentry;              /* section number for entry point */
178
  short o_sntext;               /* section number for text      */
179
  short o_sndata;               /* section number for data      */
180
  short o_sntoc;                /* section number for toc       */
181
  short o_snloader;             /* section number for loader section */
182
  short o_snbss;                /* section number for bss       */
183
  short o_algntext;             /* max alignment for text       */
184
  short o_algndata;             /* max alignment for data       */
185
  short o_modtype;              /* Module type field, 1R,RE,RO  */
186
  short o_cputype;              /* Encoded CPU type             */
187
  bfd_vma o_maxstack;   /* max stack size allowed.      */
188
  bfd_vma o_maxdata;    /* max data size allowed.       */
189
 
190
  /* ECOFF stuff */
191
  bfd_vma bss_start;            /* Base of bss section.         */
192
  bfd_vma gp_value;             /* GP register value.           */
193
  unsigned long gprmask;        /* General registers used.      */
194
  unsigned long cprmask[4];     /* Coprocessor registers used.  */
195
  unsigned long fprmask;        /* Floating pointer registers used.  */
196
 
197
  /* Apollo stuff */
198
  long o_inlib;                 /* inlib data */
199
  long o_sri;                   /* Static Resource Information */
200
  long vid[2];                  /* Version id */
201
 
202
  struct internal_extra_pe_aouthdr pe;
203
};
204
 
205
/********************** STORAGE CLASSES **********************/
206
 
207
/* This used to be defined as -1, but now n_sclass is unsigned.  */
208
#define C_EFCN          0xff    /* physical end of function     */
209
#define C_NULL          0
210
#define C_AUTO          1       /* automatic variable           */
211
#define C_EXT           2       /* external symbol              */
212
#define C_STAT          3       /* static                       */
213
#define C_REG           4       /* register variable            */
214
#define C_EXTDEF        5       /* external definition          */
215
#define C_LABEL         6       /* label                        */
216
#define C_ULABEL        7       /* undefined label              */
217
#define C_MOS           8       /* member of structure          */
218
#define C_ARG           9       /* function argument            */
219
#define C_STRTAG        10      /* structure tag                */
220
#define C_MOU           11      /* member of union              */
221
#define C_UNTAG         12      /* union tag                    */
222
#define C_TPDEF         13      /* type definition              */
223
#define C_USTATIC       14      /* undefined static             */
224
#define C_ENTAG         15      /* enumeration tag              */
225
#define C_MOE           16      /* member of enumeration        */
226
#define C_REGPARM       17      /* register parameter           */
227
#define C_FIELD         18      /* bit field                    */
228
#define C_AUTOARG       19      /* auto argument                */
229
#define C_LASTENT       20      /* dummy entry (end of block)   */
230
#define C_BLOCK         100     /* ".bb" or ".eb"               */
231
#define C_FCN           101     /* ".bf" or ".ef"               */
232
#define C_EOS           102     /* end of structure             */
233
#define C_FILE          103     /* file name                    */
234
#define C_LINE          104     /* line # reformatted as symbol table entry */
235
#define C_ALIAS         105     /* duplicate tag                */
236
#define C_HIDDEN        106     /* ext symbol in dmert public lib */
237
 
238
#define C_WEAKEXT       127     /* weak symbol -- GNU extension */
239
 
240
/* New storage classes for TI COFF */
241
#define C_UEXT          19      /* Tentative external definition */
242
#define C_STATLAB       20      /* Static load time label */
243
#define C_EXTLAB        21      /* External load time label */
244
#define C_SYSTEM        23      /* System Wide variable */
245
 
246
/* New storage classes for WINDOWS_NT   */
247
#define C_SECTION       104     /* section name */
248
#define C_NT_WEAK       105     /* weak external */
249
 
250
 /* New storage classes for 80960 */
251
 
252
/* C_LEAFPROC is obsolete.  Use C_LEAFEXT or C_LEAFSTAT */
253
#define C_LEAFPROC      108     /* Leaf procedure, "call" via BAL */
254
 
255
#define C_SCALL         107     /* Procedure reachable via system call */
256
#define C_LEAFEXT       108     /* External leaf */
257
#define C_LEAFSTAT      113     /* Static leaf */
258
#define C_OPTVAR        109     /* Optimized variable           */
259
#define C_DEFINE        110     /* Preprocessor #define         */
260
#define C_PRAGMA        111     /* Advice to compiler or linker */
261
#define C_SEGMENT       112     /* 80960 segment name           */
262
 
263
  /* Storage classes for m88k */
264
#define C_SHADOW        107     /* shadow symbol                */
265
#define C_VERSION       108     /* coff version symbol          */
266
 
267
 /* New storage classes for RS/6000 */
268
#define C_HIDEXT        107     /* Un-named external symbol */
269
#define C_BINCL         108     /* Marks beginning of include file */
270
#define C_EINCL         109     /* Marks ending of include file */
271
 
272
 /* storage classes for stab symbols for RS/6000 */
273
#define C_GSYM          (0x80)
274
#define C_LSYM          (0x81)
275
#define C_PSYM          (0x82)
276
#define C_RSYM          (0x83)
277
#define C_RPSYM         (0x84)
278
#define C_STSYM         (0x85)
279
#define C_TCSYM         (0x86)
280
#define C_BCOMM         (0x87)
281
#define C_ECOML         (0x88)
282
#define C_ECOMM         (0x89)
283
#define C_DECL          (0x8c)
284
#define C_ENTRY         (0x8d)
285
#define C_FUN           (0x8e)
286
#define C_BSTAT         (0x8f)
287
#define C_ESTAT         (0x90)
288
 
289
/* Storage classes for Thumb symbols */
290
#define C_THUMBEXT      (128 + C_EXT)           /* 130 */
291
#define C_THUMBSTAT     (128 + C_STAT)          /* 131 */
292
#define C_THUMBLABEL    (128 + C_LABEL)         /* 134 */
293
#define C_THUMBEXTFUNC  (C_THUMBEXT  + 20)      /* 150 */
294
#define C_THUMBSTATFUNC (C_THUMBSTAT + 20)      /* 151 */
295
 
296
/********************** SECTION HEADER **********************/
297
 
298
#define SCNNMLEN (8)
299
 
300
struct internal_scnhdr
301
{
302
  char s_name[SCNNMLEN];        /* section name                 */
303
 
304
  /* Physical address, aliased s_nlib.
305
     In the pei format, this field is the virtual section size
306
     (the size of the section after being loaded int memory),
307
     NOT the physical address.  */
308
  bfd_vma s_paddr;
309
 
310
  bfd_vma s_vaddr;              /* virtual address              */
311
  bfd_vma s_size;               /* section size                 */
312
  bfd_vma s_scnptr;             /* file ptr to raw data for section */
313
  bfd_vma s_relptr;             /* file ptr to relocation       */
314
  bfd_vma s_lnnoptr;            /* file ptr to line numbers     */
315
  unsigned long s_nreloc;       /* number of relocation entries */
316
  unsigned long s_nlnno;        /* number of line number entries*/
317
  long s_flags;                 /* flags                        */
318
  long s_align;                 /* used on I960                 */
319
  unsigned char s_page;         /* TI COFF load page            */
320
};
321
 
322
/* s_flags "type".  */
323
#define STYP_REG         (0x0000)       /* "regular": allocated, relocated, loaded */
324
#define STYP_DSECT       (0x0001)       /* "dummy":  relocated only*/
325
#define STYP_NOLOAD      (0x0002)       /* "noload": allocated, relocated, not loaded */
326
#define STYP_GROUP       (0x0004)       /* "grouped": formed of input sections */
327
#define STYP_PAD         (0x0008)       /* "padding": not allocated, not relocated, loaded */
328
#define STYP_COPY        (0x0010)       /* "copy": for decision function used by field update;  not allocated, not relocated,
329
                                                                             loaded; reloc & lineno entries processed normally */
330
#define STYP_TEXT        (0x0020)       /* section contains text only */
331
#define S_SHRSEG         (0x0020)       /* In 3b Update files (output of ogen), sections which appear in SHARED segments of the Pfile
332
                                                                             will have the S_SHRSEG flag set by ogen, to inform dufr that updating 1 copy of the proc. will
333
                                                                             update all process invocations. */
334
#define STYP_DATA        (0x0040)       /* section contains data only */
335
#define STYP_BSS         (0x0080)       /* section contains bss only */
336
#define S_NEWFCN         (0x0100)       /* In a minimal file or an update file, a new function (as compared with a replaced function) */
337
#define STYP_INFO        (0x0200)       /* comment: not allocated not relocated, not loaded */
338
#define STYP_OVER        (0x0400)       /* overlay: relocated not allocated or loaded */
339
#define STYP_LIB         (0x0800)       /* for .lib: same as INFO */
340
#define STYP_MERGE       (0x2000)       /* merge section -- combines with text, data or bss sections only */
341
#define STYP_REVERSE_PAD (0x4000)       /* section will be padded with no-op instructions
342
                                           wherever padding is necessary and there is a
343
                                           word of contiguous bytes beginning on a word
344
                                           boundary. */
345
 
346
#define STYP_LIT        0x8020  /* Literal data (like STYP_TEXT) */
347
 
348
 
349
/********************** LINE NUMBERS **********************/
350
 
351
/* 1 line number entry for every "breakpointable" source line in a section.
352
   Line numbers are grouped on a per function basis; first entry in a function
353
   grouping will have l_lnno = 0 and in place of physical address will be the
354
   symbol table index of the function name.  */
355
 
356
struct internal_lineno
357
{
358
  union
359
  {
360
    bfd_signed_vma l_symndx;            /* function name symbol index, iff l_lnno == 0*/
361
    bfd_signed_vma l_paddr;             /* (physical) address of line number    */
362
  }     l_addr;
363
  unsigned long l_lnno;         /* line number          */
364
};
365
 
366
/********************** SYMBOLS **********************/
367
 
368
#define SYMNMLEN        8       /* # characters in a symbol name        */
369
#define FILNMLEN        14      /* # characters in a file name          */
370
#define DIMNUM          4       /* # array dimensions in auxiliary entry */
371
 
372
struct internal_syment
373
{
374
  union
375
  {
376
    char _n_name[SYMNMLEN];     /* old COFF version     */
377
    struct
378
    {
379
      long _n_zeroes;           /* new == 0             */
380
      long _n_offset;           /* offset into string table */
381
    }      _n_n;
382
    char *_n_nptr[2];           /* allows for overlaying        */
383
  }     _n;
384
  bfd_vma n_value;                      /* value of symbol              */
385
  short n_scnum;                /* section number               */
386
  unsigned short n_flags;       /* copy of flags from filhdr    */
387
  unsigned short n_type;        /* type and derived type        */
388
  unsigned char n_sclass;       /* storage class                */
389
  unsigned char n_numaux;       /* number of aux. entries       */
390
};
391
 
392
#define n_name          _n._n_name
393
#define n_zeroes        _n._n_n._n_zeroes
394
#define n_offset        _n._n_n._n_offset
395
 
396
/* Relocatable symbols have number of the section in which they are defined,
397
   or one of the following:  */
398
 
399
#define N_UNDEF ((short)0)      /* undefined symbol */
400
#define N_ABS   ((short)-1)     /* value of symbol is absolute */
401
#define N_DEBUG ((short)-2)     /* debugging symbol -- value is meaningless */
402
#define N_TV    ((short)-3)     /* indicates symbol needs preload transfer vector */
403
#define P_TV    ((short)-4)     /* indicates symbol needs postload transfer vector*/
404
 
405
/* Type of a symbol, in low N bits of the word.  */
406
 
407
#define T_NULL          0
408
#define T_VOID          1       /* function argument (only used by compiler) */
409
#define T_CHAR          2       /* character            */
410
#define T_SHORT         3       /* short integer        */
411
#define T_INT           4       /* integer              */
412
#define T_LONG          5       /* long integer         */
413
#define T_FLOAT         6       /* floating point       */
414
#define T_DOUBLE        7       /* double word          */
415
#define T_STRUCT        8       /* structure            */
416
#define T_UNION         9       /* union                */
417
#define T_ENUM          10      /* enumeration          */
418
#define T_MOE           11      /* member of enumeration*/
419
#define T_UCHAR         12      /* unsigned character   */
420
#define T_USHORT        13      /* unsigned short       */
421
#define T_UINT          14      /* unsigned integer     */
422
#define T_ULONG         15      /* unsigned long        */
423
#define T_LNGDBL        16      /* long double          */
424
 
425
/* Derived types, in n_type.  */
426
 
427
#define DT_NON          (0)     /* no derived type */
428
#define DT_PTR          (1)     /* pointer */
429
#define DT_FCN          (2)     /* function */
430
#define DT_ARY          (3)     /* array */
431
 
432
#define BTYPE(x)        ((x) & N_BTMASK)
433
#define DTYPE(x)        (((x) & N_TMASK) >> N_BTSHFT)
434
 
435
#define ISPTR(x) \
436
  (((unsigned long) (x) & N_TMASK) == ((unsigned long) DT_PTR << N_BTSHFT))
437
#define ISFCN(x) \
438
  (((unsigned long) (x) & N_TMASK) == ((unsigned long) DT_FCN << N_BTSHFT))
439
#define ISARY(x) \
440
  (((unsigned long) (x) & N_TMASK) == ((unsigned long) DT_ARY << N_BTSHFT))
441
#define ISTAG(x) \
442
  ((x) == C_STRTAG || (x) == C_UNTAG || (x) == C_ENTAG)
443
#define DECREF(x) \
444
  ((((x) >> N_TSHIFT) & ~ N_BTMASK) | ((x) & N_BTMASK))
445
 
446
union internal_auxent
447
{
448
  struct
449
  {
450
 
451
    union
452
    {
453
      long l;                   /* str, un, or enum tag indx */
454
      struct coff_ptr_struct *p;
455
    }     x_tagndx;
456
 
457
    union
458
    {
459
      struct
460
      {
461
        unsigned short x_lnno;  /* declaration line number */
462
        unsigned short x_size;  /* str/union/array size */
463
      }      x_lnsz;
464
      long x_fsize;             /* size of function */
465
    }     x_misc;
466
 
467
    union
468
    {
469
      struct
470
      {                         /* if ISFCN, tag, or .bb */
471
        bfd_signed_vma x_lnnoptr;               /* ptr to fcn line # */
472
        union
473
        {                       /* entry ndx past block end */
474
          long l;
475
          struct coff_ptr_struct *p;
476
        }     x_endndx;
477
      }      x_fcn;
478
 
479
      struct
480
      {                         /* if ISARY, up to 4 dimen. */
481
        unsigned short x_dimen[DIMNUM];
482
      }      x_ary;
483
    }     x_fcnary;
484
 
485
    unsigned short x_tvndx;     /* tv index */
486
  }      x_sym;
487
 
488
  union
489
  {
490
    char x_fname[FILNMLEN];
491
    struct
492
    {
493
      long x_zeroes;
494
      long x_offset;
495
    }      x_n;
496
  }     x_file;
497
 
498
  struct
499
  {
500
    long x_scnlen;              /* section length */
501
    unsigned short x_nreloc;    /* # relocation entries */
502
    unsigned short x_nlinno;    /* # line numbers */
503
    unsigned long x_checksum;   /* section COMDAT checksum for PE */
504
    unsigned short x_associated; /* COMDAT associated section index for PE */
505
    unsigned char x_comdat;     /* COMDAT selection number for PE */
506
  }      x_scn;
507
 
508
  struct
509
  {
510
    long x_tvfill;              /* tv fill value */
511
    unsigned short x_tvlen;     /* length of .tv */
512
    unsigned short x_tvran[2];  /* tv range */
513
  }      x_tv;                  /* info about .tv section (in auxent of symbol .tv)) */
514
 
515
  /******************************************
516
   * RS/6000-specific auxent - last auxent for every external symbol
517
   ******************************************/
518
  struct
519
  {
520
    union
521
      {                         /* csect length or enclosing csect */
522
        bfd_signed_vma l;
523
        struct coff_ptr_struct *p;
524
      } x_scnlen;
525
    long x_parmhash;            /* parm type hash index */
526
    unsigned short x_snhash;    /* sect num with parm hash */
527
    unsigned char x_smtyp;      /* symbol align and type */
528
    /* 0-4 - Log 2 of alignment */
529
    /* 5-7 - symbol type */
530
    unsigned char x_smclas;     /* storage mapping class */
531
    long x_stab;                /* dbx stab info index */
532
    unsigned short x_snstab;    /* sect num with dbx stab */
533
  }      x_csect;               /* csect definition information */
534
 
535
/* x_smtyp values:  */
536
 
537
#define SMTYP_ALIGN(x)  ((x) >> 3)      /* log2 of alignment */
538
#define SMTYP_SMTYP(x)  ((x) & 0x7)     /* symbol type */
539
/* Symbol type values:  */
540
#define XTY_ER  0                /* External reference */
541
#define XTY_SD  1               /* Csect definition */
542
#define XTY_LD  2               /* Label definition */
543
#define XTY_CM  3               /* .BSS */
544
#define XTY_EM  4               /* Error message */
545
#define XTY_US  5               /* "Reserved for internal use" */
546
 
547
/* x_smclas values:  */
548
 
549
#define XMC_PR  0                /* Read-only program code */
550
#define XMC_RO  1               /* Read-only constant */
551
#define XMC_DB  2               /* Read-only debug dictionary table */
552
#define XMC_TC  3               /* Read-write general TOC entry */
553
#define XMC_UA  4               /* Read-write unclassified */
554
#define XMC_RW  5               /* Read-write data */
555
#define XMC_GL  6               /* Read-only global linkage */
556
#define XMC_XO  7               /* Read-only extended operation */
557
#define XMC_SV  8               /* Read-only supervisor call */
558
#define XMC_BS  9               /* Read-write BSS */
559
#define XMC_DS  10              /* Read-write descriptor csect */
560
#define XMC_UC  11              /* Read-write unnamed Fortran common */
561
#define XMC_TI  12              /* Read-only traceback index csect */
562
#define XMC_TB  13              /* Read-only traceback table csect */
563
/*              14      ??? */
564
#define XMC_TC0 15              /* Read-write TOC anchor */
565
#define XMC_TD  16              /* Read-write data in TOC */
566
 
567
  /******************************************
568
   *  I960-specific *2nd* aux. entry formats
569
   ******************************************/
570
  struct
571
  {
572
    /* This is a very old typo that keeps getting propagated. */
573
#define x_stdindx x_stindx
574
    long x_stindx;              /* sys. table entry */
575
  }      x_sc;                  /* system call entry */
576
 
577
  struct
578
  {
579
    unsigned long x_balntry;    /* BAL entry point */
580
  }      x_bal;                 /* BAL-callable function */
581
 
582
  struct
583
  {
584
    unsigned long x_timestamp;  /* time stamp */
585
    char x_idstring[20];        /* producer identity string */
586
  }      x_ident;               /* Producer ident info */
587
 
588
};
589
 
590
/********************** RELOCATION DIRECTIVES **********************/
591
 
592
struct internal_reloc
593
{
594
  bfd_vma r_vaddr;              /* Virtual address of reference */
595
  long r_symndx;                /* Index into symbol table      */
596
  unsigned short r_type;        /* Relocation type              */
597
  unsigned char r_size;         /* Used by RS/6000 and ECOFF    */
598
  unsigned char r_extern;       /* Used by ECOFF                */
599
  unsigned long r_offset;       /* Used by Alpha ECOFF, SPARC, others */
600
};
601
 
602
#define R_DIR16          1
603
#define R_DIR32          6
604
#define R_IMAGEBASE      7
605
#define R_RELBYTE       15
606
#define R_RELWORD       16
607
#define R_RELLONG       17
608
#define R_PCRBYTE       18
609
#define R_PCRWORD       19
610
#define R_PCRLONG       20
611
#define R_IPRSHORT      24
612
#define R_IPRLONG       26
613
#define R_GETSEG        29
614
#define R_GETPA         30
615
#define R_TAGWORD       31
616
#define R_JUMPTARG      32      /* strange 29k 00xx00xx reloc */
617
 
618
#define R_PCR16L       128
619
#define R_PCR26L       129
620
#define R_VRT16        130
621
#define R_HVRT16       131
622
#define R_LVRT16       132
623
#define R_VRT32        133
624
 
625
 
626
/* This reloc identifies mov.b instructions with a 16bit absolute
627
   address.  The linker tries to turn insns with this reloc into
628
   an absolute 8-bit address.  */
629
#define R_MOV16B1       0x41
630
 
631
/* This reloc identifies mov.b instructions which had a 16bit
632
   absolute address which have been shortened into a 8-bit
633
   absolute address.  */
634
#define R_MOV16B2       0x42
635
 
636
/* This reloc identifies jmp insns with a 16bit target address;
637
   the linker tries to turn these insns into bra insns with
638
   an 8bit pc-relative target.  */
639
#define R_JMP1          0x43
640
 
641
/* This reloc identifies a bra with an 8-bit pc-relative
642
   target that was formerlly a jmp insn with a 16bit target.  */
643
#define R_JMP2          0x44
644
 
645
/* ??? */
646
#define R_RELLONG_NEG   0x45
647
 
648
/* This reloc identifies jmp insns with a 24bit target address;
649
   the linker tries to turn these insns into bra insns with
650
   an 8bit pc-relative target.  */
651
#define R_JMPL1         0x46
652
 
653
/* This reloc identifies a bra with an 8-bit pc-relative
654
   target that was formerlly a jmp insn with a 24bit target.  */
655
#define R_JMPL2         0x47
656
 
657
/* This reloc identifies mov.b instructions with a 24bit absolute
658
   address.  The linker tries to turn insns with this reloc into
659
   an absolute 8-bit address.  */
660
 
661
#define R_MOV24B1       0x48
662
 
663
/* This reloc identifies mov.b instructions which had a 24bit
664
   absolute address which have been shortened into a 8-bit
665
   absolute address.  */
666
#define R_MOV24B2       0x49
667
 
668
/* An h8300 memory indirect jump/call.  Forces the address of the jump/call
669
   target into the function vector (in page zero), and the address of the
670
   vector entry to be placed in the jump/call instruction.  */
671
#define R_MEM_INDIRECT  0x4a
672
 
673
/* This reloc identifies a 16bit pc-relative branch target which was
674
   shortened into an 8bit pc-relative branch target.  */
675
#define R_PCRWORD_B     0x4b
676
 
677
/* This reloc identifies mov.[wl] instructions with a 32/24 bit
678
   absolute address; the linker may turn this into a mov.[wl]
679
   insn with a 16bit absolute address.  */
680
#define R_MOVL1         0x4c
681
 
682
/* This reloc identifies mov.[wl] insns which formerlly had
683
   a 32/24bit absolute address and now have a 16bit absolute address.  */
684
#define R_MOVL2         0x4d
685
 
686
/* This reloc identifies a bCC:8 which will have it's condition
687
   inverted and its target redirected to the target of the branch
688
   in the following insn.  */
689
#define R_BCC_INV       0x4e
690
 
691
/* This reloc identifies a jmp instruction that has been deleted.  */
692
#define R_JMP_DEL       0x4f
693
 
694
/* Z8k modes */
695
#define R_IMM16   0x01          /* 16 bit abs */
696
#define R_JR      0x02          /* jr  8 bit disp */
697
#define R_IMM4L   0x23          /* low nibble */
698
#define R_IMM8    0x22          /* 8 bit abs */
699
#define R_IMM32   R_RELLONG     /* 32 bit abs */
700
#define R_CALL    R_DA          /* Absolute address which could be a callr */
701
#define R_JP      R_DA          /* Absolute address which could be a jp */
702
#define R_REL16   0x04          /* 16 bit PC rel */
703
#define R_CALLR   0x05          /* callr 12 bit disp */
704
#define R_SEG     0x10          /* set if in segmented mode */
705
#define R_IMM4H   0x24          /* high nibble */
706
#define R_DISP7   0x25          /* djnz displacement */
707
 
708
/* H8500 modes */
709
 
710
#define R_H8500_IMM8    1               /*  8 bit immediate     */
711
#define R_H8500_IMM16   2               /* 16 bit immediate     */
712
#define R_H8500_PCREL8  3               /*  8 bit pcrel         */
713
#define R_H8500_PCREL16 4               /* 16 bit pcrel         */
714
#define R_H8500_HIGH8   5               /* high 8 bits of 24 bit address */
715
#define R_H8500_LOW16   7               /* low 16 bits of 24 bit immediate */
716
#define R_H8500_IMM24   6               /* 24 bit immediate */
717
#define R_H8500_IMM32   8               /* 32 bit immediate */
718
#define R_H8500_HIGH16  9               /* high 16 bits of 32 bit immediate */
719
 
720
/* W65 modes */
721
 
722
#define R_W65_ABS8      1  /* addr & 0xff               */
723
#define R_W65_ABS16     2  /* addr & 0xffff             */
724
#define R_W65_ABS24     3  /* addr & 0xffffff           */
725
 
726
#define R_W65_ABS8S8    4  /* (addr >> 8) & 0xff        */
727
#define R_W65_ABS8S16   5  /* (addr >> 16) & 0xff       */
728
 
729
#define R_W65_ABS16S8   6  /* (addr >> 8) & 0ffff       */
730
#define R_W65_ABS16S16  7  /* (addr >> 16) & 0ffff      */
731
 
732
#define R_W65_PCR8      8
733
#define R_W65_PCR16     9
734
 
735
#define R_W65_DP       10  /* direct page 8 bits only   */
736
 
737
#endif /* GNU_COFF_INTERNAL_H */

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