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include/coff/
[deliverable/binutils-gdb.git] / include / coff / internal.h
CommitLineData
252b5132 1/* Internal format of COFF object file data structures, for GNU BFD.
4f1d9bd8
NC		 2 This file is part of BFD, the Binary File Descriptor library.
3
d2df793a 4 Copyright 1999, 2000, 2001, 2002, 2003, 2004. 2005, 2006, 2007
c3aa17e9 5 Free Software Foundation, Inc.
4f1d9bd8
NC		 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 2 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
e172dbf8 19 Foundation, Inc., 51 Franklin Street - Fifth Floor, Boston, MA 02110-1301, USA. */
252b5132
RH		 20
21#ifndef GNU_COFF_INTERNAL_H
22#define GNU_COFF_INTERNAL_H 1
23
24/* First, make "signed char" work, even on old compilers. */
25#ifndef signed
26#ifndef __STDC__
27#define signed /**/
28#endif
29#endif
30
31/********************** FILE HEADER **********************/
32
33/* extra stuff in a PE header. */
34
35struct internal_extra_pe_filehdr
36{
37 /* DOS header data follows for PE stuff */
38 unsigned short e_magic; /* Magic number, 0x5a4d */
39 unsigned short e_cblp; /* Bytes on last page of file, 0x90 */
40 unsigned short e_cp; /* Pages in file, 0x3 */
41 unsigned short e_crlc; /* Relocations, 0x0 */
42 unsigned short e_cparhdr; /* Size of header in paragraphs, 0x4 */
43 unsigned short e_minalloc; /* Minimum extra paragraphs needed, 0x0 */
44 unsigned short e_maxalloc; /* Maximum extra paragraphs needed, 0xFFFF */
45 unsigned short e_ss; /* Initial (relative) SS value, 0x0 */
46 unsigned short e_sp; /* Initial SP value, 0xb8 */
47 unsigned short e_csum; /* Checksum, 0x0 */
48 unsigned short e_ip; /* Initial IP value, 0x0 */
49 unsigned short e_cs; /* Initial (relative) CS value, 0x0 */
50 unsigned short e_lfarlc; /* File address of relocation table, 0x40 */
51 unsigned short e_ovno; /* Overlay number, 0x0 */
52 unsigned short e_res[4]; /* Reserved words, all 0x0 */
53 unsigned short e_oemid; /* OEM identifier (for e_oeminfo), 0x0 */
54 unsigned short e_oeminfo; /* OEM information; e_oemid specific, 0x0 */
55 unsigned short e_res2[10]; /* Reserved words, all 0x0 */
56 bfd_vma e_lfanew; /* File address of new exe header, 0x80 */
57 unsigned long dos_message[16]; /* text which always follows dos header */
58 bfd_vma nt_signature; /* required NT signature, 0x4550 */
59};
60
61struct internal_filehdr
62{
63 struct internal_extra_pe_filehdr pe;
64
4f1d9bd8 65 /* Standard coff internal info. */
252b5132
RH		 66 unsigned short f_magic; /* magic number */
67 unsigned short f_nscns; /* number of sections */
68 long f_timdat; /* time & date stamp */
69 bfd_vma f_symptr; /* file pointer to symtab */
70 long f_nsyms; /* number of symtab entries */
71 unsigned short f_opthdr; /* sizeof(optional hdr) */
72 unsigned short f_flags; /* flags */
81635ce4 73 unsigned short f_target_id; /* (TI COFF specific) */
252b5132
RH		 74};
75
76
77/* Bits for f_flags:
4f1d9bd8
NC		 78 F_RELFLG relocation info stripped from file
79 F_EXEC file is executable (no unresolved external references)
80 F_LNNO line numbers stripped from file
81 F_LSYMS local symbols stripped from file
82 F_AR16WR file is 16-bit little-endian
83 F_AR32WR file is 32-bit little-endian
84 F_AR32W file is 32-bit big-endian
85 F_DYNLOAD rs/6000 aix: dynamically loadable w/imports & exports
86 F_SHROBJ rs/6000 aix: file is a shared object
87 F_DLL PE format DLL. */
252b5132
RH		 88
89#define F_RELFLG (0x0001)
90#define F_EXEC (0x0002)
91#define F_LNNO (0x0004)
92#define F_LSYMS (0x0008)
93#define F_AR16WR (0x0080)
94#define F_AR32WR (0x0100)
95#define F_AR32W (0x0200)
96#define F_DYNLOAD (0x1000)
97#define F_SHROBJ (0x2000)
98#define F_DLL (0x2000)
99
4f1d9bd8 100/* Extra structure which is used in the optional header. */
252b5132
RH		 101typedef struct _IMAGE_DATA_DIRECTORY
102{
103 bfd_vma VirtualAddress;
104 long Size;
105} IMAGE_DATA_DIRECTORY;
6c73cbb1
NC		 106#define PE_EXPORT_TABLE 0
107#define PE_IMPORT_TABLE 1
108#define PE_RESOURCE_TABLE 2
109#define PE_EXCEPTION_TABLE 3
110#define PE_CERTIFICATE_TABLE 4
111#define PE_BASE_RELOCATION_TABLE 5
112#define PE_DEBUG_DATA 6
113#define PE_ARCHITECTURE 7
114#define PE_GLOBAL_PTR 8
115#define PE_TLS_TABLE 9
116#define PE_LOAD_CONFIG_TABLE 10
117#define PE_BOUND_IMPORT_TABLE 11
118#define PE_IMPORT_ADDRESS_TABLE 12
119#define PE_DELAY_IMPORT_DESCRIPTOR 13
120#define PE_CLR_RUNTIME_HEADER 14
121/* DataDirectory[15] is currently reserved, so no define. */
252b5132
RH		 122#define IMAGE_NUMBEROF_DIRECTORY_ENTRIES 16
123
c6e94b27 124/* Default image base for NT. */
252b5132
RH		 125#define NT_EXE_IMAGE_BASE 0x400000
126#define NT_DLL_IMAGE_BASE 0x10000000
127
c6e94b27
RH		 128/* Default image base for BeOS. */
129#define BEOS_EXE_IMAGE_BASE 0x80000000
130#define BEOS_DLL_IMAGE_BASE 0x10000000
131
252b5132
RH		 132/* Extra stuff in a PE aouthdr */
133
134#define PE_DEF_SECTION_ALIGNMENT 0x1000
63fa1674
JW		 135#ifndef PE_DEF_FILE_ALIGNMENT
136# define PE_DEF_FILE_ALIGNMENT 0x200
137#endif
252b5132
RH		 138
139struct internal_extra_pe_aouthdr
140{
d13c9dc6
L		 141 /* FIXME: The following entries are in AOUTHDR. But they aren't
142 available internally in bfd. We add them here so that objdump
143 can dump them. */
144 /* The state of the image file */
145 short Magic;
146 /* Linker major version number */
147 char MajorLinkerVersion;
148 /* Linker minor version number */
149 char MinorLinkerVersion;
150 /* Total size of all code sections */
151 long SizeOfCode;
152 /* Total size of all initialized data sections */
153 long SizeOfInitializedData;
154 /* Total size of all uninitialized data sections */
155 long SizeOfUninitializedData;
156 /* Address of entry point relative to image base. */
157 bfd_vma AddressOfEntryPoint;
158 /* Address of the first code section relative to image base. */
159 bfd_vma BaseOfCode;
160 /* Address of the first data section relative to image base. */
161 bfd_vma BaseOfData;
162
252b5132
RH		 163 /* PE stuff */
164 bfd_vma ImageBase; /* address of specific location in memory that
165 file is located, NT default 0x10000 */
166
167 bfd_vma SectionAlignment; /* section alignment default 0x1000 */
168 bfd_vma FileAlignment; /* file alignment default 0x200 */
169 short MajorOperatingSystemVersion; /* minimum version of the operating */
170 short MinorOperatingSystemVersion; /* system req'd for exe, default to 1*/
171 short MajorImageVersion; /* user defineable field to store version of */
172 short MinorImageVersion; /* exe or dll being created, default to 0 */
173 short MajorSubsystemVersion; /* minimum subsystem version required to */
174 short MinorSubsystemVersion; /* run exe; default to 3.1 */
175 long Reserved1; /* seems to be 0 */
176 long SizeOfImage; /* size of memory to allocate for prog */
177 long SizeOfHeaders; /* size of PE header and section table */
178 long CheckSum; /* set to 0 */
179 short Subsystem;
180
181 /* type of subsystem exe uses for user interface,
182 possible values:
183 1 - NATIVE Doesn't require a subsystem
184 2 - WINDOWS_GUI runs in Windows GUI subsystem
185 3 - WINDOWS_CUI runs in Windows char sub. (console app)
186 5 - OS2_CUI runs in OS/2 character subsystem
187 7 - POSIX_CUI runs in Posix character subsystem */
2f563b51 188 unsigned short DllCharacteristics; /* flags for DLL init */
252b5132
RH		 189 bfd_vma SizeOfStackReserve; /* amount of memory to reserve */
190 bfd_vma SizeOfStackCommit; /* amount of memory initially committed for
191 initial thread's stack, default is 0x1000 */
192 bfd_vma SizeOfHeapReserve; /* amount of virtual memory to reserve and */
193 bfd_vma SizeOfHeapCommit; /* commit, don't know what to defaut it to */
194 long LoaderFlags; /* can probably set to 0 */
195 long NumberOfRvaAndSizes; /* number of entries in next entry, 16 */
196 IMAGE_DATA_DIRECTORY DataDirectory[IMAGE_NUMBEROF_DIRECTORY_ENTRIES];
197};
198
199/********************** AOUT "OPTIONAL HEADER" **********************/
200struct internal_aouthdr
201{
202 short magic; /* type of file */
203 short vstamp; /* version stamp */
204 bfd_vma tsize; /* text size in bytes, padded to FW bdry*/
205 bfd_vma dsize; /* initialized data " " */
206 bfd_vma bsize; /* uninitialized data " " */
207 bfd_vma entry; /* entry pt. */
208 bfd_vma text_start; /* base of text used for this file */
209 bfd_vma data_start; /* base of data used for this file */
210
211 /* i960 stuff */
212 unsigned long tagentries; /* number of tag entries to follow */
213
214 /* RS/6000 stuff */
3dd657b1 215 bfd_vma o_toc; /* address of TOC */
252b5132
RH		 216 short o_snentry; /* section number for entry point */
217 short o_sntext; /* section number for text */
218 short o_sndata; /* section number for data */
219 short o_sntoc; /* section number for toc */
220 short o_snloader; /* section number for loader section */
221 short o_snbss; /* section number for bss */
222 short o_algntext; /* max alignment for text */
223 short o_algndata; /* max alignment for data */
224 short o_modtype; /* Module type field, 1R,RE,RO */
225 short o_cputype; /* Encoded CPU type */
3dd657b1
TR		 226 bfd_vma o_maxstack; /* max stack size allowed. */
227 bfd_vma o_maxdata; /* max data size allowed. */
252b5132
RH		 228
229 /* ECOFF stuff */
230 bfd_vma bss_start; /* Base of bss section. */
231 bfd_vma gp_value; /* GP register value. */
232 unsigned long gprmask; /* General registers used. */
233 unsigned long cprmask[4]; /* Coprocessor registers used. */
234 unsigned long fprmask; /* Floating pointer registers used. */
235
236 /* Apollo stuff */
237 long o_inlib; /* inlib data */
238 long o_sri; /* Static Resource Information */
239 long vid[2]; /* Version id */
240
252b5132 241 struct internal_extra_pe_aouthdr pe;
252b5132
RH		 242};
243
244/********************** STORAGE CLASSES **********************/
245
246/* This used to be defined as -1, but now n_sclass is unsigned. */
247#define C_EFCN 0xff /* physical end of function */
248#define C_NULL 0
249#define C_AUTO 1 /* automatic variable */
250#define C_EXT 2 /* external symbol */
251#define C_STAT 3 /* static */
252#define C_REG 4 /* register variable */
253#define C_EXTDEF 5 /* external definition */
254#define C_LABEL 6 /* label */
255#define C_ULABEL 7 /* undefined label */
256#define C_MOS 8 /* member of structure */
257#define C_ARG 9 /* function argument */
258#define C_STRTAG 10 /* structure tag */
259#define C_MOU 11 /* member of union */
260#define C_UNTAG 12 /* union tag */
261#define C_TPDEF 13 /* type definition */
262#define C_USTATIC 14 /* undefined static */
263#define C_ENTAG 15 /* enumeration tag */
264#define C_MOE 16 /* member of enumeration */
265#define C_REGPARM 17 /* register parameter */
266#define C_FIELD 18 /* bit field */
267#define C_AUTOARG 19 /* auto argument */
268#define C_LASTENT 20 /* dummy entry (end of block) */
269#define C_BLOCK 100 /* ".bb" or ".eb" */
270#define C_FCN 101 /* ".bf" or ".ef" */
271#define C_EOS 102 /* end of structure */
272#define C_FILE 103 /* file name */
273#define C_LINE 104 /* line # reformatted as symbol table entry */
274#define C_ALIAS 105 /* duplicate tag */
275#define C_HIDDEN 106 /* ext symbol in dmert public lib */
5f190081 276#define C_WEAKEXT 127 /* weak symbol -- GNU extension. */
252b5132 277
81635ce4 278/* New storage classes for TI COFF */
252b5132
RH		 279#define C_UEXT 19 /* Tentative external definition */
280#define C_STATLAB 20 /* Static load time label */
281#define C_EXTLAB 21 /* External load time label */
282#define C_SYSTEM 23 /* System Wide variable */
283
284/* New storage classes for WINDOWS_NT */
285#define C_SECTION 104 /* section name */
286#define C_NT_WEAK 105 /* weak external */
287
288 /* New storage classes for 80960 */
289
290/* C_LEAFPROC is obsolete. Use C_LEAFEXT or C_LEAFSTAT */
291#define C_LEAFPROC 108 /* Leaf procedure, "call" via BAL */
292
293#define C_SCALL 107 /* Procedure reachable via system call */
294#define C_LEAFEXT 108 /* External leaf */
295#define C_LEAFSTAT 113 /* Static leaf */
296#define C_OPTVAR 109 /* Optimized variable */
297#define C_DEFINE 110 /* Preprocessor #define */
298#define C_PRAGMA 111 /* Advice to compiler or linker */
299#define C_SEGMENT 112 /* 80960 segment name */
300
301 /* Storage classes for m88k */
302#define C_SHADOW 107 /* shadow symbol */
303#define C_VERSION 108 /* coff version symbol */
304
305 /* New storage classes for RS/6000 */
306#define C_HIDEXT 107 /* Un-named external symbol */
307#define C_BINCL 108 /* Marks beginning of include file */
308#define C_EINCL 109 /* Marks ending of include file */
8602d4fe
RS		 309#define C_AIX_WEAKEXT 111 /* AIX definition of C_WEAKEXT. */
310
311#if defined _AIX52 || defined AIX_WEAK_SUPPORT
312#undef C_WEAKEXT
313#define C_WEAKEXT C_AIX_WEAKEXT
314#endif
252b5132
RH		 315
316 /* storage classes for stab symbols for RS/6000 */
317#define C_GSYM (0x80)
318#define C_LSYM (0x81)
319#define C_PSYM (0x82)
320#define C_RSYM (0x83)
321#define C_RPSYM (0x84)
322#define C_STSYM (0x85)
323#define C_TCSYM (0x86)
324#define C_BCOMM (0x87)
325#define C_ECOML (0x88)
326#define C_ECOMM (0x89)
327#define C_DECL (0x8c)
328#define C_ENTRY (0x8d)
329#define C_FUN (0x8e)
330#define C_BSTAT (0x8f)
331#define C_ESTAT (0x90)
332
333/* Storage classes for Thumb symbols */
334#define C_THUMBEXT (128 + C_EXT) /* 130 */
335#define C_THUMBSTAT (128 + C_STAT) /* 131 */
336#define C_THUMBLABEL (128 + C_LABEL) /* 134 */
337#define C_THUMBEXTFUNC (C_THUMBEXT + 20) /* 150 */
338#define C_THUMBSTATFUNC (C_THUMBSTAT + 20) /* 151 */
339
8602d4fe
RS		 340/* True if XCOFF symbols of class CLASS have auxillary csect information. */
341#define CSECT_SYM_P(CLASS) \
342 ((CLASS) == C_EXT || (CLASS) == C_AIX_WEAKEXT || (CLASS) == C_HIDEXT)
343
252b5132
RH		 344/********************** SECTION HEADER **********************/
345
346#define SCNNMLEN (8)
347
348struct internal_scnhdr
349{
350 char s_name[SCNNMLEN]; /* section name */
351
352 /* Physical address, aliased s_nlib.
353 In the pei format, this field is the virtual section size
354 (the size of the section after being loaded int memory),
355 NOT the physical address. */
356 bfd_vma s_paddr;
357
358 bfd_vma s_vaddr; /* virtual address */
359 bfd_vma s_size; /* section size */
360 bfd_vma s_scnptr; /* file ptr to raw data for section */
361 bfd_vma s_relptr; /* file ptr to relocation */
362 bfd_vma s_lnnoptr; /* file ptr to line numbers */
363 unsigned long s_nreloc; /* number of relocation entries */
364 unsigned long s_nlnno; /* number of line number entries*/
365 long s_flags; /* flags */
366 long s_align; /* used on I960 */
b9af77f5 367 unsigned char s_page; /* TI COFF load page */
252b5132
RH		 368};
369
4f1d9bd8 370/* s_flags "type". */
252b5132
RH		 371#define STYP_REG (0x0000) /* "regular": allocated, relocated, loaded */
372#define STYP_DSECT (0x0001) /* "dummy": relocated only*/
373#define STYP_NOLOAD (0x0002) /* "noload": allocated, relocated, not loaded */
374#define STYP_GROUP (0x0004) /* "grouped": formed of input sections */
375#define STYP_PAD (0x0008) /* "padding": not allocated, not relocated, loaded */
376#define STYP_COPY (0x0010) /* "copy": for decision function used by field update; not allocated, not relocated,
377 loaded; reloc & lineno entries processed normally */
378#define STYP_TEXT (0x0020) /* section contains text only */
379#define S_SHRSEG (0x0020) /* In 3b Update files (output of ogen), sections which appear in SHARED segments of the Pfile
380 will have the S_SHRSEG flag set by ogen, to inform dufr that updating 1 copy of the proc. will
381 update all process invocations. */
382#define STYP_DATA (0x0040) /* section contains data only */
383#define STYP_BSS (0x0080) /* section contains bss only */
384#define S_NEWFCN (0x0100) /* In a minimal file or an update file, a new function (as compared with a replaced function) */
385#define STYP_INFO (0x0200) /* comment: not allocated not relocated, not loaded */
386#define STYP_OVER (0x0400) /* overlay: relocated not allocated or loaded */
387#define STYP_LIB (0x0800) /* for .lib: same as INFO */
388#define STYP_MERGE (0x2000) /* merge section -- combines with text, data or bss sections only */
4f1d9bd8
NC		 389#define STYP_REVERSE_PAD (0x4000) /* section will be padded with no-op instructions
390 wherever padding is necessary and there is a
391 word of contiguous bytes beginning on a word
392 boundary. */
252b5132
RH		 393
394#define STYP_LIT 0x8020 /* Literal data (like STYP_TEXT) */
395
396
252b5132
RH		 397/********************** LINE NUMBERS **********************/
398
399/* 1 line number entry for every "breakpointable" source line in a section.
4f1d9bd8
NC		 400 Line numbers are grouped on a per function basis; first entry in a function
401 grouping will have l_lnno = 0 and in place of physical address will be the
402 symbol table index of the function name. */
252b5132
RH		 403
404struct internal_lineno
405{
406 union
407 {
3dd657b1
TR		 408 bfd_signed_vma l_symndx; /* function name symbol index, iff l_lnno == 0*/
409 bfd_signed_vma l_paddr; /* (physical) address of line number */
252b5132
RH		 410 } l_addr;
411 unsigned long l_lnno; /* line number */
412};
413
414/********************** SYMBOLS **********************/
415
416#define SYMNMLEN 8 /* # characters in a symbol name */
417#define FILNMLEN 14 /* # characters in a file name */
418#define DIMNUM 4 /* # array dimensions in auxiliary entry */
419
420struct internal_syment
421{
422 union
423 {
d2df793a 424 char _n_name[SYMNMLEN]; /* old COFF version */
252b5132
RH		 425 struct
426 {
d2df793a
NC		 427 bfd_hostptr_t _n_zeroes; /* new == 0 */
428 bfd_hostptr_t _n_offset; /* offset into string table */
252b5132
RH		 429 } _n_n;
430 char *_n_nptr[2]; /* allows for overlaying */
431 } _n;
d2df793a 432 bfd_vma n_value; /* value of symbol */
252b5132
RH		 433 short n_scnum; /* section number */
434 unsigned short n_flags; /* copy of flags from filhdr */
435 unsigned short n_type; /* type and derived type */
436 unsigned char n_sclass; /* storage class */
437 unsigned char n_numaux; /* number of aux. entries */
438};
439
440#define n_name _n._n_name
441#define n_zeroes _n._n_n._n_zeroes
442#define n_offset _n._n_n._n_offset
443
252b5132 444/* Relocatable symbols have number of the section in which they are defined,
4f1d9bd8 445 or one of the following: */
252b5132
RH		 446
447#define N_UNDEF ((short)0) /* undefined symbol */
448#define N_ABS ((short)-1) /* value of symbol is absolute */
449#define N_DEBUG ((short)-2) /* debugging symbol -- value is meaningless */
450#define N_TV ((short)-3) /* indicates symbol needs preload transfer vector */
451#define P_TV ((short)-4) /* indicates symbol needs postload transfer vector*/
452
4f1d9bd8
NC		 453/* Type of a symbol, in low N bits of the word. */
454
252b5132
RH		 455#define T_NULL 0
456#define T_VOID 1 /* function argument (only used by compiler) */
457#define T_CHAR 2 /* character */
458#define T_SHORT 3 /* short integer */
459#define T_INT 4 /* integer */
460#define T_LONG 5 /* long integer */
461#define T_FLOAT 6 /* floating point */
462#define T_DOUBLE 7 /* double word */
463#define T_STRUCT 8 /* structure */
464#define T_UNION 9 /* union */
465#define T_ENUM 10 /* enumeration */
466#define T_MOE 11 /* member of enumeration*/
467#define T_UCHAR 12 /* unsigned character */
468#define T_USHORT 13 /* unsigned short */
469#define T_UINT 14 /* unsigned integer */
470#define T_ULONG 15 /* unsigned long */
471#define T_LNGDBL 16 /* long double */
472
4f1d9bd8
NC		 473/* Derived types, in n_type. */
474
252b5132
RH		 475#define DT_NON (0) /* no derived type */
476#define DT_PTR (1) /* pointer */
477#define DT_FCN (2) /* function */
478#define DT_ARY (3) /* array */
479
480#define BTYPE(x) ((x) & N_BTMASK)
25bcc51d 481#define DTYPE(x) (((x) & N_TMASK) >> N_BTSHFT)
252b5132
RH		 482
483#define ISPTR(x) \
484 (((unsigned long) (x) & N_TMASK) == ((unsigned long) DT_PTR << N_BTSHFT))
485#define ISFCN(x) \
486 (((unsigned long) (x) & N_TMASK) == ((unsigned long) DT_FCN << N_BTSHFT))
487#define ISARY(x) \
488 (((unsigned long) (x) & N_TMASK) == ((unsigned long) DT_ARY << N_BTSHFT))
489#define ISTAG(x) \
490 ((x) == C_STRTAG || (x) == C_UNTAG || (x) == C_ENTAG)
491#define DECREF(x) \
492 ((((x) >> N_TSHIFT) & ~ N_BTMASK) | ((x) & N_BTMASK))
493
494union internal_auxent
495{
496 struct
497 {
498
499 union
500 {
501 long l; /* str, un, or enum tag indx */
502 struct coff_ptr_struct *p;
503 } x_tagndx;
504
505 union
506 {
507 struct
508 {
509 unsigned short x_lnno; /* declaration line number */
510 unsigned short x_size; /* str/union/array size */
511 } x_lnsz;
512 long x_fsize; /* size of function */
513 } x_misc;
514
515 union
516 {
517 struct
518 { /* if ISFCN, tag, or .bb */
3dd657b1 519 bfd_signed_vma x_lnnoptr; /* ptr to fcn line # */
252b5132
RH		 520 union
521 { /* entry ndx past block end */
522 long l;
523 struct coff_ptr_struct *p;
524 } x_endndx;
525 } x_fcn;
526
527 struct
528 { /* if ISARY, up to 4 dimen. */
529 unsigned short x_dimen[DIMNUM];
530 } x_ary;
531 } x_fcnary;
532
533 unsigned short x_tvndx; /* tv index */
534 } x_sym;
535
536 union
537 {
538 char x_fname[FILNMLEN];
539 struct
540 {
541 long x_zeroes;
542 long x_offset;
543 } x_n;
544 } x_file;
545
546 struct
547 {
548 long x_scnlen; /* section length */
549 unsigned short x_nreloc; /* # relocation entries */
550 unsigned short x_nlinno; /* # line numbers */
551 unsigned long x_checksum; /* section COMDAT checksum for PE */
552 unsigned short x_associated; /* COMDAT associated section index for PE */
553 unsigned char x_comdat; /* COMDAT selection number for PE */
554 } x_scn;
555
556 struct
557 {
558 long x_tvfill; /* tv fill value */
559 unsigned short x_tvlen; /* length of .tv */
560 unsigned short x_tvran[2]; /* tv range */
561 } x_tv; /* info about .tv section (in auxent of symbol .tv)) */
562
563 /******************************************
564 * RS/6000-specific auxent - last auxent for every external symbol
565 ******************************************/
566 struct
567 {
568 union
569 { /* csect length or enclosing csect */
3dd657b1 570 bfd_signed_vma l;
252b5132
RH		 571 struct coff_ptr_struct *p;
572 } x_scnlen;
573 long x_parmhash; /* parm type hash index */
574 unsigned short x_snhash; /* sect num with parm hash */
575 unsigned char x_smtyp; /* symbol align and type */
576 /* 0-4 - Log 2 of alignment */
577 /* 5-7 - symbol type */
578 unsigned char x_smclas; /* storage mapping class */
579 long x_stab; /* dbx stab info index */
580 unsigned short x_snstab; /* sect num with dbx stab */
581 } x_csect; /* csect definition information */
582
583/* x_smtyp values: */
584
585#define SMTYP_ALIGN(x) ((x) >> 3) /* log2 of alignment */
586#define SMTYP_SMTYP(x) ((x) & 0x7) /* symbol type */
587/* Symbol type values: */
588#define XTY_ER 0 /* External reference */
589#define XTY_SD 1 /* Csect definition */
590#define XTY_LD 2 /* Label definition */
591#define XTY_CM 3 /* .BSS */
592#define XTY_EM 4 /* Error message */
593#define XTY_US 5 /* "Reserved for internal use" */
594
595/* x_smclas values: */
596
597#define XMC_PR 0 /* Read-only program code */
598#define XMC_RO 1 /* Read-only constant */
599#define XMC_DB 2 /* Read-only debug dictionary table */
600#define XMC_TC 3 /* Read-write general TOC entry */
601#define XMC_UA 4 /* Read-write unclassified */
602#define XMC_RW 5 /* Read-write data */
603#define XMC_GL 6 /* Read-only global linkage */
604#define XMC_XO 7 /* Read-only extended operation */
605#define XMC_SV 8 /* Read-only supervisor call */
606#define XMC_BS 9 /* Read-write BSS */
607#define XMC_DS 10 /* Read-write descriptor csect */
608#define XMC_UC 11 /* Read-write unnamed Fortran common */
609#define XMC_TI 12 /* Read-only traceback index csect */
610#define XMC_TB 13 /* Read-only traceback table csect */
611/* 14 ??? */
612#define XMC_TC0 15 /* Read-write TOC anchor */
613#define XMC_TD 16 /* Read-write data in TOC */
614
615 /******************************************
616 * I960-specific *2nd* aux. entry formats
617 ******************************************/
618 struct
619 {
620 /* This is a very old typo that keeps getting propagated. */
621#define x_stdindx x_stindx
622 long x_stindx; /* sys. table entry */
623 } x_sc; /* system call entry */
624
625 struct
626 {
627 unsigned long x_balntry; /* BAL entry point */
628 } x_bal; /* BAL-callable function */
629
630 struct
631 {
632 unsigned long x_timestamp; /* time stamp */
633 char x_idstring[20]; /* producer identity string */
634 } x_ident; /* Producer ident info */
635
636};
637
638/********************** RELOCATION DIRECTIVES **********************/
639
640struct internal_reloc
641{
642 bfd_vma r_vaddr; /* Virtual address of reference */
643 long r_symndx; /* Index into symbol table */
644 unsigned short r_type; /* Relocation type */
645 unsigned char r_size; /* Used by RS/6000 and ECOFF */
646 unsigned char r_extern; /* Used by ECOFF */
647 unsigned long r_offset; /* Used by Alpha ECOFF, SPARC, others */
648};
649
99ad8390
NC		 650/* X86-64 relocations. */
651#define R_AMD64_ABS 0 /* Reference is absolute, no relocation is necessary. */
652#define R_AMD64_DIR64 1 /* 64-bit address (VA). */
653#define R_AMD64_DIR32 2 /* 32-bit address (VA) R_DIR32. */
654#define R_AMD64_IMAGEBASE 3 /* 32-bit absolute ref w/o base R_IMAGEBASE. */
655#define R_AMD64_PCRLONG 4 /* 32-bit relative address from byte following reloc R_PCRLONG. */
656#define R_AMD64_PCRLONG_1 5 /* 32-bit relative address from byte distance 1 from reloc. */
657#define R_AMD64_PCRLONG_2 6 /* 32-bit relative address from byte distance 2 from reloc. */
658#define R_AMD64_PCRLONG_3 7 /* 32-bit relative address from byte distance 3 from reloc. */
659#define R_AMD64_PCRLONG_4 8 /* 32-bit relative address from byte distance 4 from reloc. */
660#define R_AMD64_PCRLONG_5 9 /* 32-bit relative address from byte distance 5 from reloc. */
661#define R_AMD64_SECTION 10 /* Section index. */
662#define R_AMD64_SECREL 11 /* 32 bit offset from base of section containing target R_SECREL. */
663#define R_AMD64_SECREL7 12 /* 7 bit unsigned offset from base of section containing target. */
664#define R_AMD64_TOKEN 13 /* 32 bit metadata token. */
665#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. */
666
667/* i386 Relocations. */
668
26642729 669#define R_DIR16 1
026df7c5 670#define R_REL24 5
26642729
AM		 671#define R_DIR32 6
672#define R_IMAGEBASE 7
6482c264 673#define R_SECREL32 11
26642729
AM		 674#define R_RELBYTE 15
675#define R_RELWORD 16
676#define R_RELLONG 17
677#define R_PCRBYTE 18
678#define R_PCRWORD 19
679#define R_PCRLONG 20
026df7c5 680#define R_PCR24 21
26642729
AM		 681#define R_IPRSHORT 24
682#define R_IPRLONG 26
683#define R_GETSEG 29
684#define R_GETPA 30
685#define R_TAGWORD 31
686#define R_JUMPTARG 32 /* strange 29k 00xx00xx reloc */
026df7c5
NC		 687#define R_PARTLS16 32
688#define R_PARTMS8 33
26642729
AM		 689
690#define R_PCR16L 128
691#define R_PCR26L 129
692#define R_VRT16 130
693#define R_HVRT16 131
694#define R_LVRT16 132
695#define R_VRT32 133
252b5132
RH		 696
697
698/* This reloc identifies mov.b instructions with a 16bit absolute
699 address. The linker tries to turn insns with this reloc into
700 an absolute 8-bit address. */
701#define R_MOV16B1 0x41
702
703/* This reloc identifies mov.b instructions which had a 16bit
704 absolute address which have been shortened into a 8-bit
705 absolute address. */
706#define R_MOV16B2 0x42
707
708/* This reloc identifies jmp insns with a 16bit target address;
709 the linker tries to turn these insns into bra insns with
710 an 8bit pc-relative target. */
711#define R_JMP1 0x43
712
713/* This reloc identifies a bra with an 8-bit pc-relative
d586919e 714 target that was formerly a jmp insn with a 16bit target. */
252b5132
RH		 715#define R_JMP2 0x44
716
717/* ??? */
718#define R_RELLONG_NEG 0x45
719
720/* This reloc identifies jmp insns with a 24bit target address;
721 the linker tries to turn these insns into bra insns with
722 an 8bit pc-relative target. */
723#define R_JMPL1 0x46
724
725/* This reloc identifies a bra with an 8-bit pc-relative
d586919e 726 target that was formerly a jmp insn with a 24bit target. */
252b5132
RH		 727#define R_JMPL2 0x47
728
729/* This reloc identifies mov.b instructions with a 24bit absolute
730 address. The linker tries to turn insns with this reloc into
731 an absolute 8-bit address. */
732
733#define R_MOV24B1 0x48
734
735/* This reloc identifies mov.b instructions which had a 24bit
736 absolute address which have been shortened into a 8-bit
737 absolute address. */
738#define R_MOV24B2 0x49
739
740/* An h8300 memory indirect jump/call. Forces the address of the jump/call
741 target into the function vector (in page zero), and the address of the
742 vector entry to be placed in the jump/call instruction. */
743#define R_MEM_INDIRECT 0x4a
744
745/* This reloc identifies a 16bit pc-relative branch target which was
746 shortened into an 8bit pc-relative branch target. */
747#define R_PCRWORD_B 0x4b
748
749/* This reloc identifies mov.[wl] instructions with a 32/24 bit
750 absolute address; the linker may turn this into a mov.[wl]
751 insn with a 16bit absolute address. */
752#define R_MOVL1 0x4c
753
d586919e 754/* This reloc identifies mov.[wl] insns which formerly had
310905c5 755 a 32/24bit absolute address and now have a 16bit absolute address. */
252b5132
RH		 756#define R_MOVL2 0x4d
757
758/* This reloc identifies a bCC:8 which will have it's condition
759 inverted and its target redirected to the target of the branch
760 in the following insn. */
761#define R_BCC_INV 0x4e
762
763/* This reloc identifies a jmp instruction that has been deleted. */
764#define R_JMP_DEL 0x4f
765
766/* Z8k modes */
767#define R_IMM16 0x01 /* 16 bit abs */
768#define R_JR 0x02 /* jr 8 bit disp */
769#define R_IMM4L 0x23 /* low nibble */
770#define R_IMM8 0x22 /* 8 bit abs */
771#define R_IMM32 R_RELLONG /* 32 bit abs */
772#define R_CALL R_DA /* Absolute address which could be a callr */
773#define R_JP R_DA /* Absolute address which could be a jp */
774#define R_REL16 0x04 /* 16 bit PC rel */
775#define R_CALLR 0x05 /* callr 12 bit disp */
776#define R_SEG 0x10 /* set if in segmented mode */
777#define R_IMM4H 0x24 /* high nibble */
778#define R_DISP7 0x25 /* djnz displacement */
779
3c9b82ba
NC		 780/* Z80 modes */
781#define R_OFF8 0x32 /* 8 bit signed abs, for (i[xy]+d) */
134dcee5 782#define R_IMM24 0x33 /* 24 bit abs */
3c9b82ba
NC		 783/* R_JR, R_IMM8, R_IMM16, R_IMM32 - as for Z8k */
784
252b5132
RH		 785/* H8500 modes */
786
787#define R_H8500_IMM8 1 /* 8 bit immediate */
788#define R_H8500_IMM16 2 /* 16 bit immediate */
789#define R_H8500_PCREL8 3 /* 8 bit pcrel */
790#define R_H8500_PCREL16 4 /* 16 bit pcrel */
791#define R_H8500_HIGH8 5 /* high 8 bits of 24 bit address */
792#define R_H8500_LOW16 7 /* low 16 bits of 24 bit immediate */
793#define R_H8500_IMM24 6 /* 24 bit immediate */
794#define R_H8500_IMM32 8 /* 32 bit immediate */
795#define R_H8500_HIGH16 9 /* high 16 bits of 32 bit immediate */
796
797/* W65 modes */
798
799#define R_W65_ABS8 1 /* addr & 0xff */
800#define R_W65_ABS16 2 /* addr & 0xffff */
801#define R_W65_ABS24 3 /* addr & 0xffffff */
802
803#define R_W65_ABS8S8 4 /* (addr >> 8) & 0xff */
804#define R_W65_ABS8S16 5 /* (addr >> 16) & 0xff */
805
806#define R_W65_ABS16S8 6 /* (addr >> 8) & 0ffff */
807#define R_W65_ABS16S16 7 /* (addr >> 16) & 0ffff */
808
809#define R_W65_PCR8 8
810#define R_W65_PCR16 9
811
812#define R_W65_DP 10 /* direct page 8 bits only */
813
814#endif /* GNU_COFF_INTERNAL_H */
GDB Binutils - Deliverables
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