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[deliverable/binutils-gdb.git] / include / coff / internal.h
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252b5132 1/* Internal format of COFF object file data structures, for GNU BFD.
4f1d9bd8 2 This file is part of BFD, the Binary File Descriptor library.
61e2488c 3
4b95cf5c 4 Copyright (C) 1999-2014 Free Software Foundation, Inc.
4f1d9bd8
NC		 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
e4e42b45 8 the Free Software Foundation; either version 3 of the License, or
4f1d9bd8 9 (at your option) any later version.
61e2488c 10
4f1d9bd8
NC		 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.
61e2488c 15
4f1d9bd8
NC		 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
e4e42b45
NC		 18 Foundation, Inc., 51 Franklin Street - Fifth Floor, Boston,
19 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 */
61e2488c 58 bfd_vma nt_signature; /* required NT signature, 0x4550 */
252b5132
RH		 59};
60
9bf609ec
JK		 61#define GO32_STUBSIZE 2048
62
252b5132
RH		 63struct internal_filehdr
64{
65 struct internal_extra_pe_filehdr pe;
66
9bf609ec
JK		 67 /* coff-stgo32 EXE stub header before BFD tdata has been allocated.
68 Its data is kept in INTERNAL_FILEHDR.GO32STUB afterwards.
61e2488c 69
9bf609ec
JK		 70 F_GO32STUB is set iff go32stub contains a valid data. Artifical headers
71 created in BFD have no pre-set go32stub. */
72 char go32stub[GO32_STUBSIZE];
73
4f1d9bd8 74 /* Standard coff internal info. */
252b5132 75 unsigned short f_magic; /* magic number */
167ad85b 76 unsigned int f_nscns; /* number of sections */
252b5132
RH		 77 long f_timdat; /* time & date stamp */
78 bfd_vma f_symptr; /* file pointer to symtab */
79 long f_nsyms; /* number of symtab entries */
80 unsigned short f_opthdr; /* sizeof(optional hdr) */
81 unsigned short f_flags; /* flags */
81635ce4 82 unsigned short f_target_id; /* (TI COFF specific) */
252b5132
RH		 83};
84
85
86/* Bits for f_flags:
4f1d9bd8
NC		 87 F_RELFLG relocation info stripped from file
88 F_EXEC file is executable (no unresolved external references)
89 F_LNNO line numbers stripped from file
90 F_LSYMS local symbols stripped from file
91 F_AR16WR file is 16-bit little-endian
92 F_AR32WR file is 32-bit little-endian
93 F_AR32W file is 32-bit big-endian
94 F_DYNLOAD rs/6000 aix: dynamically loadable w/imports & exports
95 F_SHROBJ rs/6000 aix: file is a shared object
9bf609ec
JK		 96 F_DLL PE format DLL
97 F_GO32STUB Field go32stub contains valid data. */
252b5132
RH		 98
99#define F_RELFLG (0x0001)
100#define F_EXEC (0x0002)
101#define F_LNNO (0x0004)
102#define F_LSYMS (0x0008)
103#define F_AR16WR (0x0080)
104#define F_AR32WR (0x0100)
105#define F_AR32W (0x0200)
106#define F_DYNLOAD (0x1000)
107#define F_SHROBJ (0x2000)
108#define F_DLL (0x2000)
9bf609ec 109#define F_GO32STUB (0x4000)
252b5132 110
4f1d9bd8 111/* Extra structure which is used in the optional header. */
61e2488c 112typedef struct _IMAGE_DATA_DIRECTORY
252b5132
RH		 113{
114 bfd_vma VirtualAddress;
115 long Size;
116} IMAGE_DATA_DIRECTORY;
6c73cbb1
NC		 117#define PE_EXPORT_TABLE 0
118#define PE_IMPORT_TABLE 1
119#define PE_RESOURCE_TABLE 2
120#define PE_EXCEPTION_TABLE 3
121#define PE_CERTIFICATE_TABLE 4
122#define PE_BASE_RELOCATION_TABLE 5
123#define PE_DEBUG_DATA 6
124#define PE_ARCHITECTURE 7
125#define PE_GLOBAL_PTR 8
126#define PE_TLS_TABLE 9
127#define PE_LOAD_CONFIG_TABLE 10
128#define PE_BOUND_IMPORT_TABLE 11
129#define PE_IMPORT_ADDRESS_TABLE 12
130#define PE_DELAY_IMPORT_DESCRIPTOR 13
131#define PE_CLR_RUNTIME_HEADER 14
132/* DataDirectory[15] is currently reserved, so no define. */
252b5132
RH		 133#define IMAGE_NUMBEROF_DIRECTORY_ENTRIES 16
134
61e2488c
JT		 135/* Extra structure used in debug directory. */
136struct internal_IMAGE_DEBUG_DIRECTORY
137{
138 unsigned long Characteristics;
139 unsigned long TimeDateStamp;
140 unsigned short MajorVersion;
141 unsigned short MinorVersion;
142 unsigned long Type;
143 unsigned long SizeOfData;
144 unsigned long AddressOfRawData;
145 unsigned long PointerToRawData;
146};
147
148#define PE_IMAGE_DEBUG_TYPE_UNKNOWN 0
149#define PE_IMAGE_DEBUG_TYPE_COFF 1
150#define PE_IMAGE_DEBUG_TYPE_CODEVIEW 2
151#define PE_IMAGE_DEBUG_TYPE_FPO 3
152#define PE_IMAGE_DEBUG_TYPE_MISC 4
153#define PE_IMAGE_DEBUG_TYPE_EXCEPTION 5
154#define PE_IMAGE_DEBUG_TYPE_FIXUP 6
155#define PE_IMAGE_DEBUG_TYPE_OMAP_TO_SRC 7
156#define PE_IMAGE_DEBUG_TYPE_OMAP_FROM_SRC 8
157#define PE_IMAGE_DEBUG_TYPE_BORLAND 9
158#define PE_IMAGE_DEBUG_TYPE_RESERVED10 10
159#define PE_IMAGE_DEBUG_TYPE_CLSID 11
160
161/* Extra structure for a codeview debug record */
162#define CV_INFO_SIGNATURE_LENGTH 16
163
164typedef struct _CODEVIEW_INFO
165{
166 unsigned long CVSignature;
167 char Signature[CV_INFO_SIGNATURE_LENGTH];
168 unsigned int SignatureLength;
169 unsigned long Age;
170 // char PdbFileName[];
171} CODEVIEW_INFO;
172
c6e94b27 173/* Default image base for NT. */
252b5132
RH		 174#define NT_EXE_IMAGE_BASE 0x400000
175#define NT_DLL_IMAGE_BASE 0x10000000
176
c6e94b27
RH		 177/* Default image base for BeOS. */
178#define BEOS_EXE_IMAGE_BASE 0x80000000
179#define BEOS_DLL_IMAGE_BASE 0x10000000
180
252b5132
RH		 181/* Extra stuff in a PE aouthdr */
182
183#define PE_DEF_SECTION_ALIGNMENT 0x1000
63fa1674
JW		 184#ifndef PE_DEF_FILE_ALIGNMENT
185# define PE_DEF_FILE_ALIGNMENT 0x200
186#endif
252b5132 187
61e2488c 188struct internal_extra_pe_aouthdr
252b5132 189{
d13c9dc6
L		 190 /* FIXME: The following entries are in AOUTHDR. But they aren't
191 available internally in bfd. We add them here so that objdump
192 can dump them. */
61e2488c 193 /* The state of the image file. */
d13c9dc6 194 short Magic;
61e2488c 195 /* Linker major version number. */
d13c9dc6 196 char MajorLinkerVersion;
61e2488c 197 /* Linker minor version number. */
d13c9dc6 198 char MinorLinkerVersion;
61e2488c 199 /* Total size of all code sections. */
d13c9dc6 200 long SizeOfCode;
61e2488c 201 /* Total size of all initialized data sections. */
d13c9dc6 202 long SizeOfInitializedData;
61e2488c 203 /* Total size of all uninitialized data sections. */
d13c9dc6
L		 204 long SizeOfUninitializedData;
205 /* Address of entry point relative to image base. */
206 bfd_vma AddressOfEntryPoint;
207 /* Address of the first code section relative to image base. */
208 bfd_vma BaseOfCode;
209 /* Address of the first data section relative to image base. */
210 bfd_vma BaseOfData;
61e2488c 211
252b5132 212 /* PE stuff */
61e2488c
JT		 213 bfd_vma ImageBase; /* Address of specific location in memory that
214 file is located, NT default 0x10000. */
215
216 bfd_vma SectionAlignment; /* Section alignment default 0x1000. */
217 bfd_vma FileAlignment; /* File alignment default 0x200. */
218 short MajorOperatingSystemVersion; /* Minimum version of the operating. */
219 short MinorOperatingSystemVersion; /* System req'd for exe, default to 1. */
220 short MajorImageVersion; /* User defineable field to store version of */
221 short MinorImageVersion; /* exe or dll being created, default to 0. */
222 short MajorSubsystemVersion; /* Minimum subsystem version required to */
223 short MinorSubsystemVersion; /* run exe; default to 3.1. */
224 long Reserved1; /* Seems to be 0. */
225 long SizeOfImage; /* Size of memory to allocate for prog. */
226 long SizeOfHeaders; /* Size of PE header and section table. */
227 long CheckSum; /* Set to 0. */
252b5132
RH		 228 short Subsystem;
229
61e2488c 230 /* Type of subsystem exe uses for user interface,
252b5132
RH		 231 possible values:
232 1 - NATIVE Doesn't require a subsystem
233 2 - WINDOWS_GUI runs in Windows GUI subsystem
234 3 - WINDOWS_CUI runs in Windows char sub. (console app)
235 5 - OS2_CUI runs in OS/2 character subsystem
61e2488c
JT		 236 7 - POSIX_CUI runs in Posix character subsystem. */
237 unsigned short DllCharacteristics; /* flags for DLL init. */
238 bfd_vma SizeOfStackReserve; /* Amount of memory to reserve. */
239 bfd_vma SizeOfStackCommit; /* Amount of memory initially committed for
240 initial thread's stack, default is 0x1000. */
241 bfd_vma SizeOfHeapReserve; /* Amount of virtual memory to reserve and */
242 bfd_vma SizeOfHeapCommit; /* commit, don't know what to defaut it to. */
243 long LoaderFlags; /* Can probably set to 0. */
244 long NumberOfRvaAndSizes; /* Number of entries in next entry, 16. */
252b5132
RH		 245 IMAGE_DATA_DIRECTORY DataDirectory[IMAGE_NUMBEROF_DIRECTORY_ENTRIES];
246};
247
248/********************** AOUT "OPTIONAL HEADER" **********************/
249struct internal_aouthdr
250{
251 short magic; /* type of file */
252 short vstamp; /* version stamp */
253 bfd_vma tsize; /* text size in bytes, padded to FW bdry*/
254 bfd_vma dsize; /* initialized data " " */
255 bfd_vma bsize; /* uninitialized data " " */
256 bfd_vma entry; /* entry pt. */
257 bfd_vma text_start; /* base of text used for this file */
258 bfd_vma data_start; /* base of data used for this file */
259
260 /* i960 stuff */
261 unsigned long tagentries; /* number of tag entries to follow */
262
263 /* RS/6000 stuff */
3dd657b1 264 bfd_vma o_toc; /* address of TOC */
252b5132
RH		 265 short o_snentry; /* section number for entry point */
266 short o_sntext; /* section number for text */
267 short o_sndata; /* section number for data */
268 short o_sntoc; /* section number for toc */
269 short o_snloader; /* section number for loader section */
270 short o_snbss; /* section number for bss */
271 short o_algntext; /* max alignment for text */
272 short o_algndata; /* max alignment for data */
273 short o_modtype; /* Module type field, 1R,RE,RO */
274 short o_cputype; /* Encoded CPU type */
3dd657b1
TR		 275 bfd_vma o_maxstack; /* max stack size allowed. */
276 bfd_vma o_maxdata; /* max data size allowed. */
252b5132
RH		 277
278 /* ECOFF stuff */
279 bfd_vma bss_start; /* Base of bss section. */
280 bfd_vma gp_value; /* GP register value. */
281 unsigned long gprmask; /* General registers used. */
282 unsigned long cprmask[4]; /* Coprocessor registers used. */
283 unsigned long fprmask; /* Floating pointer registers used. */
284
285 /* Apollo stuff */
286 long o_inlib; /* inlib data */
287 long o_sri; /* Static Resource Information */
288 long vid[2]; /* Version id */
289
252b5132 290 struct internal_extra_pe_aouthdr pe;
252b5132
RH		 291};
292
293/********************** STORAGE CLASSES **********************/
294
295/* This used to be defined as -1, but now n_sclass is unsigned. */
296#define C_EFCN 0xff /* physical end of function */
297#define C_NULL 0
298#define C_AUTO 1 /* automatic variable */
299#define C_EXT 2 /* external symbol */
300#define C_STAT 3 /* static */
301#define C_REG 4 /* register variable */
302#define C_EXTDEF 5 /* external definition */
303#define C_LABEL 6 /* label */
304#define C_ULABEL 7 /* undefined label */
305#define C_MOS 8 /* member of structure */
306#define C_ARG 9 /* function argument */
307#define C_STRTAG 10 /* structure tag */
308#define C_MOU 11 /* member of union */
309#define C_UNTAG 12 /* union tag */
310#define C_TPDEF 13 /* type definition */
311#define C_USTATIC 14 /* undefined static */
312#define C_ENTAG 15 /* enumeration tag */
313#define C_MOE 16 /* member of enumeration */
314#define C_REGPARM 17 /* register parameter */
315#define C_FIELD 18 /* bit field */
316#define C_AUTOARG 19 /* auto argument */
317#define C_LASTENT 20 /* dummy entry (end of block) */
318#define C_BLOCK 100 /* ".bb" or ".eb" */
319#define C_FCN 101 /* ".bf" or ".ef" */
320#define C_EOS 102 /* end of structure */
321#define C_FILE 103 /* file name */
322#define C_LINE 104 /* line # reformatted as symbol table entry */
323#define C_ALIAS 105 /* duplicate tag */
324#define C_HIDDEN 106 /* ext symbol in dmert public lib */
5f190081 325#define C_WEAKEXT 127 /* weak symbol -- GNU extension. */
252b5132 326
81635ce4 327/* New storage classes for TI COFF */
252b5132
RH		 328#define C_UEXT 19 /* Tentative external definition */
329#define C_STATLAB 20 /* Static load time label */
330#define C_EXTLAB 21 /* External load time label */
331#define C_SYSTEM 23 /* System Wide variable */
332
333/* New storage classes for WINDOWS_NT */
334#define C_SECTION 104 /* section name */
335#define C_NT_WEAK 105 /* weak external */
336
337 /* New storage classes for 80960 */
338
339/* C_LEAFPROC is obsolete. Use C_LEAFEXT or C_LEAFSTAT */
340#define C_LEAFPROC 108 /* Leaf procedure, "call" via BAL */
341
342#define C_SCALL 107 /* Procedure reachable via system call */
343#define C_LEAFEXT 108 /* External leaf */
344#define C_LEAFSTAT 113 /* Static leaf */
345#define C_OPTVAR 109 /* Optimized variable */
346#define C_DEFINE 110 /* Preprocessor #define */
347#define C_PRAGMA 111 /* Advice to compiler or linker */
348#define C_SEGMENT 112 /* 80960 segment name */
349
350 /* Storage classes for m88k */
351#define C_SHADOW 107 /* shadow symbol */
352#define C_VERSION 108 /* coff version symbol */
353
354 /* New storage classes for RS/6000 */
355#define C_HIDEXT 107 /* Un-named external symbol */
356#define C_BINCL 108 /* Marks beginning of include file */
357#define C_EINCL 109 /* Marks ending of include file */
8602d4fe
RS		 358#define C_AIX_WEAKEXT 111 /* AIX definition of C_WEAKEXT. */
359
53dd76d3
TG		 360#define C_NULL_VALUE 0x00de1e00 /* Value for a C_NULL deleted entry. */
361
8602d4fe
RS		 362#if defined _AIX52 || defined AIX_WEAK_SUPPORT
363#undef C_WEAKEXT
364#define C_WEAKEXT C_AIX_WEAKEXT
365#endif
252b5132
RH		 366
367 /* storage classes for stab symbols for RS/6000 */
368#define C_GSYM (0x80)
369#define C_LSYM (0x81)
370#define C_PSYM (0x82)
371#define C_RSYM (0x83)
372#define C_RPSYM (0x84)
373#define C_STSYM (0x85)
374#define C_TCSYM (0x86)
375#define C_BCOMM (0x87)
376#define C_ECOML (0x88)
377#define C_ECOMM (0x89)
378#define C_DECL (0x8c)
379#define C_ENTRY (0x8d)
380#define C_FUN (0x8e)
381#define C_BSTAT (0x8f)
382#define C_ESTAT (0x90)
9d3056cd
TG		 383#define C_GTLS (0x97)
384#define C_STTLS (0x98)
252b5132
RH		 385
386/* Storage classes for Thumb symbols */
387#define C_THUMBEXT (128 + C_EXT) /* 130 */
388#define C_THUMBSTAT (128 + C_STAT) /* 131 */
389#define C_THUMBLABEL (128 + C_LABEL) /* 134 */
390#define C_THUMBEXTFUNC (C_THUMBEXT + 20) /* 150 */
391#define C_THUMBSTATFUNC (C_THUMBSTAT + 20) /* 151 */
392
8602d4fe
RS		 393/* True if XCOFF symbols of class CLASS have auxillary csect information. */
394#define CSECT_SYM_P(CLASS) \
395 ((CLASS) == C_EXT || (CLASS) == C_AIX_WEAKEXT || (CLASS) == C_HIDEXT)
396
252b5132
RH		 397/********************** SECTION HEADER **********************/
398
399#define SCNNMLEN (8)
400
401struct internal_scnhdr
402{
403 char s_name[SCNNMLEN]; /* section name */
404
405 /* Physical address, aliased s_nlib.
406 In the pei format, this field is the virtual section size
407 (the size of the section after being loaded int memory),
408 NOT the physical address. */
409 bfd_vma s_paddr;
410
411 bfd_vma s_vaddr; /* virtual address */
412 bfd_vma s_size; /* section size */
413 bfd_vma s_scnptr; /* file ptr to raw data for section */
414 bfd_vma s_relptr; /* file ptr to relocation */
415 bfd_vma s_lnnoptr; /* file ptr to line numbers */
416 unsigned long s_nreloc; /* number of relocation entries */
417 unsigned long s_nlnno; /* number of line number entries*/
418 long s_flags; /* flags */
419 long s_align; /* used on I960 */
b9af77f5 420 unsigned char s_page; /* TI COFF load page */
252b5132
RH		 421};
422
4f1d9bd8 423/* s_flags "type". */
252b5132
RH		 424#define STYP_REG (0x0000) /* "regular": allocated, relocated, loaded */
425#define STYP_DSECT (0x0001) /* "dummy": relocated only*/
426#define STYP_NOLOAD (0x0002) /* "noload": allocated, relocated, not loaded */
427#define STYP_GROUP (0x0004) /* "grouped": formed of input sections */
428#define STYP_PAD (0x0008) /* "padding": not allocated, not relocated, loaded */
429#define STYP_COPY (0x0010) /* "copy": for decision function used by field update; not allocated, not relocated,
430 loaded; reloc & lineno entries processed normally */
431#define STYP_TEXT (0x0020) /* section contains text only */
432#define S_SHRSEG (0x0020) /* In 3b Update files (output of ogen), sections which appear in SHARED segments of the Pfile
433 will have the S_SHRSEG flag set by ogen, to inform dufr that updating 1 copy of the proc. will
434 update all process invocations. */
435#define STYP_DATA (0x0040) /* section contains data only */
436#define STYP_BSS (0x0080) /* section contains bss only */
437#define S_NEWFCN (0x0100) /* In a minimal file or an update file, a new function (as compared with a replaced function) */
438#define STYP_INFO (0x0200) /* comment: not allocated not relocated, not loaded */
439#define STYP_OVER (0x0400) /* overlay: relocated not allocated or loaded */
440#define STYP_LIB (0x0800) /* for .lib: same as INFO */
441#define STYP_MERGE (0x2000) /* merge section -- combines with text, data or bss sections only */
4f1d9bd8
NC		 442#define STYP_REVERSE_PAD (0x4000) /* section will be padded with no-op instructions
443 wherever padding is necessary and there is a
444 word of contiguous bytes beginning on a word
445 boundary. */
252b5132
RH		 446
447#define STYP_LIT 0x8020 /* Literal data (like STYP_TEXT) */
448
449
252b5132
RH		 450/********************** LINE NUMBERS **********************/
451
452/* 1 line number entry for every "breakpointable" source line in a section.
4f1d9bd8
NC		 453 Line numbers are grouped on a per function basis; first entry in a function
454 grouping will have l_lnno = 0 and in place of physical address will be the
455 symbol table index of the function name. */
252b5132
RH		 456
457struct internal_lineno
458{
459 union
460 {
3dd657b1
TR		 461 bfd_signed_vma l_symndx; /* function name symbol index, iff l_lnno == 0*/
462 bfd_signed_vma l_paddr; /* (physical) address of line number */
252b5132
RH		 463 } l_addr;
464 unsigned long l_lnno; /* line number */
465};
466
467/********************** SYMBOLS **********************/
468
469#define SYMNMLEN 8 /* # characters in a symbol name */
470#define FILNMLEN 14 /* # characters in a file name */
471#define DIMNUM 4 /* # array dimensions in auxiliary entry */
472
473struct internal_syment
474{
475 union
476 {
d2df793a 477 char _n_name[SYMNMLEN]; /* old COFF version */
252b5132
RH		 478 struct
479 {
d2df793a
NC		 480 bfd_hostptr_t _n_zeroes; /* new == 0 */
481 bfd_hostptr_t _n_offset; /* offset into string table */
252b5132
RH		 482 } _n_n;
483 char *_n_nptr[2]; /* allows for overlaying */
484 } _n;
d2df793a 485 bfd_vma n_value; /* value of symbol */
252b5132
RH		 486 short n_scnum; /* section number */
487 unsigned short n_flags; /* copy of flags from filhdr */
488 unsigned short n_type; /* type and derived type */
489 unsigned char n_sclass; /* storage class */
490 unsigned char n_numaux; /* number of aux. entries */
491};
492
493#define n_name _n._n_name
494#define n_zeroes _n._n_n._n_zeroes
495#define n_offset _n._n_n._n_offset
496
252b5132 497/* Relocatable symbols have number of the section in which they are defined,
4f1d9bd8 498 or one of the following: */
252b5132
RH		 499
500#define N_UNDEF ((short)0) /* undefined symbol */
501#define N_ABS ((short)-1) /* value of symbol is absolute */
502#define N_DEBUG ((short)-2) /* debugging symbol -- value is meaningless */
503#define N_TV ((short)-3) /* indicates symbol needs preload transfer vector */
504#define P_TV ((short)-4) /* indicates symbol needs postload transfer vector*/
505
4f1d9bd8
NC		 506/* Type of a symbol, in low N bits of the word. */
507
252b5132
RH		 508#define T_NULL 0
509#define T_VOID 1 /* function argument (only used by compiler) */
510#define T_CHAR 2 /* character */
511#define T_SHORT 3 /* short integer */
512#define T_INT 4 /* integer */
513#define T_LONG 5 /* long integer */
514#define T_FLOAT 6 /* floating point */
515#define T_DOUBLE 7 /* double word */
516#define T_STRUCT 8 /* structure */
517#define T_UNION 9 /* union */
518#define T_ENUM 10 /* enumeration */
519#define T_MOE 11 /* member of enumeration*/
520#define T_UCHAR 12 /* unsigned character */
521#define T_USHORT 13 /* unsigned short */
522#define T_UINT 14 /* unsigned integer */
523#define T_ULONG 15 /* unsigned long */
524#define T_LNGDBL 16 /* long double */
525
4f1d9bd8
NC		 526/* Derived types, in n_type. */
527
252b5132
RH		 528#define DT_NON (0) /* no derived type */
529#define DT_PTR (1) /* pointer */
530#define DT_FCN (2) /* function */
531#define DT_ARY (3) /* array */
532
533#define BTYPE(x) ((x) & N_BTMASK)
25bcc51d 534#define DTYPE(x) (((x) & N_TMASK) >> N_BTSHFT)
252b5132
RH		 535
536#define ISPTR(x) \
537 (((unsigned long) (x) & N_TMASK) == ((unsigned long) DT_PTR << N_BTSHFT))
538#define ISFCN(x) \
539 (((unsigned long) (x) & N_TMASK) == ((unsigned long) DT_FCN << N_BTSHFT))
540#define ISARY(x) \
541 (((unsigned long) (x) & N_TMASK) == ((unsigned long) DT_ARY << N_BTSHFT))
542#define ISTAG(x) \
543 ((x) == C_STRTAG || (x) == C_UNTAG || (x) == C_ENTAG)
544#define DECREF(x) \
545 ((((x) >> N_TSHIFT) & ~ N_BTMASK) | ((x) & N_BTMASK))
546
547union internal_auxent
548{
549 struct
550 {
551
552 union
553 {
554 long l; /* str, un, or enum tag indx */
555 struct coff_ptr_struct *p;
556 } x_tagndx;
557
558 union
559 {
560 struct
561 {
562 unsigned short x_lnno; /* declaration line number */
563 unsigned short x_size; /* str/union/array size */
564 } x_lnsz;
565 long x_fsize; /* size of function */
566 } x_misc;
567
568 union
569 {
570 struct
571 { /* if ISFCN, tag, or .bb */
3dd657b1 572 bfd_signed_vma x_lnnoptr; /* ptr to fcn line # */
252b5132
RH		 573 union
574 { /* entry ndx past block end */
575 long l;
576 struct coff_ptr_struct *p;
577 } x_endndx;
578 } x_fcn;
579
580 struct
581 { /* if ISARY, up to 4 dimen. */
582 unsigned short x_dimen[DIMNUM];
583 } x_ary;
584 } x_fcnary;
585
586 unsigned short x_tvndx; /* tv index */
587 } x_sym;
588
589 union
590 {
591 char x_fname[FILNMLEN];
592 struct
593 {
594 long x_zeroes;
595 long x_offset;
596 } x_n;
597 } x_file;
598
599 struct
600 {
601 long x_scnlen; /* section length */
602 unsigned short x_nreloc; /* # relocation entries */
603 unsigned short x_nlinno; /* # line numbers */
604 unsigned long x_checksum; /* section COMDAT checksum for PE */
605 unsigned short x_associated; /* COMDAT associated section index for PE */
606 unsigned char x_comdat; /* COMDAT selection number for PE */
607 } x_scn;
608
609 struct
610 {
611 long x_tvfill; /* tv fill value */
612 unsigned short x_tvlen; /* length of .tv */
613 unsigned short x_tvran[2]; /* tv range */
614 } x_tv; /* info about .tv section (in auxent of symbol .tv)) */
615
616 /******************************************
617 * RS/6000-specific auxent - last auxent for every external symbol
618 ******************************************/
619 struct
620 {
621 union
622 { /* csect length or enclosing csect */
3dd657b1 623 bfd_signed_vma l;
252b5132
RH		 624 struct coff_ptr_struct *p;
625 } x_scnlen;
626 long x_parmhash; /* parm type hash index */
627 unsigned short x_snhash; /* sect num with parm hash */
628 unsigned char x_smtyp; /* symbol align and type */
629 /* 0-4 - Log 2 of alignment */
630 /* 5-7 - symbol type */
631 unsigned char x_smclas; /* storage mapping class */
632 long x_stab; /* dbx stab info index */
633 unsigned short x_snstab; /* sect num with dbx stab */
634 } x_csect; /* csect definition information */
635
636/* x_smtyp values: */
637
638#define SMTYP_ALIGN(x) ((x) >> 3) /* log2 of alignment */
639#define SMTYP_SMTYP(x) ((x) & 0x7) /* symbol type */
640/* Symbol type values: */
641#define XTY_ER 0 /* External reference */
642#define XTY_SD 1 /* Csect definition */
643#define XTY_LD 2 /* Label definition */
644#define XTY_CM 3 /* .BSS */
645#define XTY_EM 4 /* Error message */
646#define XTY_US 5 /* "Reserved for internal use" */
647
648/* x_smclas values: */
649
650#define XMC_PR 0 /* Read-only program code */
651#define XMC_RO 1 /* Read-only constant */
652#define XMC_DB 2 /* Read-only debug dictionary table */
653#define XMC_TC 3 /* Read-write general TOC entry */
654#define XMC_UA 4 /* Read-write unclassified */
655#define XMC_RW 5 /* Read-write data */
656#define XMC_GL 6 /* Read-only global linkage */
657#define XMC_XO 7 /* Read-only extended operation */
658#define XMC_SV 8 /* Read-only supervisor call */
659#define XMC_BS 9 /* Read-write BSS */
660#define XMC_DS 10 /* Read-write descriptor csect */
661#define XMC_UC 11 /* Read-write unnamed Fortran common */
662#define XMC_TI 12 /* Read-only traceback index csect */
663#define XMC_TB 13 /* Read-only traceback table csect */
664/* 14 ??? */
665#define XMC_TC0 15 /* Read-write TOC anchor */
666#define XMC_TD 16 /* Read-write data in TOC */
667
668 /******************************************
669 * I960-specific *2nd* aux. entry formats
670 ******************************************/
671 struct
672 {
673 /* This is a very old typo that keeps getting propagated. */
674#define x_stdindx x_stindx
675 long x_stindx; /* sys. table entry */
676 } x_sc; /* system call entry */
677
678 struct
679 {
680 unsigned long x_balntry; /* BAL entry point */
681 } x_bal; /* BAL-callable function */
682
683 struct
684 {
685 unsigned long x_timestamp; /* time stamp */
686 char x_idstring[20]; /* producer identity string */
687 } x_ident; /* Producer ident info */
688
689};
690
691/********************** RELOCATION DIRECTIVES **********************/
692
693struct internal_reloc
694{
695 bfd_vma r_vaddr; /* Virtual address of reference */
696 long r_symndx; /* Index into symbol table */
697 unsigned short r_type; /* Relocation type */
698 unsigned char r_size; /* Used by RS/6000 and ECOFF */
699 unsigned char r_extern; /* Used by ECOFF */
700 unsigned long r_offset; /* Used by Alpha ECOFF, SPARC, others */
701};
702
99ad8390
NC		 703/* X86-64 relocations. */
704#define R_AMD64_ABS 0 /* Reference is absolute, no relocation is necessary. */
705#define R_AMD64_DIR64 1 /* 64-bit address (VA). */
706#define R_AMD64_DIR32 2 /* 32-bit address (VA) R_DIR32. */
707#define R_AMD64_IMAGEBASE 3 /* 32-bit absolute ref w/o base R_IMAGEBASE. */
708#define R_AMD64_PCRLONG 4 /* 32-bit relative address from byte following reloc R_PCRLONG. */
709#define R_AMD64_PCRLONG_1 5 /* 32-bit relative address from byte distance 1 from reloc. */
710#define R_AMD64_PCRLONG_2 6 /* 32-bit relative address from byte distance 2 from reloc. */
711#define R_AMD64_PCRLONG_3 7 /* 32-bit relative address from byte distance 3 from reloc. */
712#define R_AMD64_PCRLONG_4 8 /* 32-bit relative address from byte distance 4 from reloc. */
713#define R_AMD64_PCRLONG_5 9 /* 32-bit relative address from byte distance 5 from reloc. */
714#define R_AMD64_SECTION 10 /* Section index. */
715#define R_AMD64_SECREL 11 /* 32 bit offset from base of section containing target R_SECREL. */
716#define R_AMD64_SECREL7 12 /* 7 bit unsigned offset from base of section containing target. */
717#define R_AMD64_TOKEN 13 /* 32 bit metadata token. */
718#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. */
719
720/* i386 Relocations. */
721
26642729 722#define R_DIR16 1
026df7c5 723#define R_REL24 5
26642729
AM		 724#define R_DIR32 6
725#define R_IMAGEBASE 7
6482c264 726#define R_SECREL32 11
26642729
AM		 727#define R_RELBYTE 15
728#define R_RELWORD 16
729#define R_RELLONG 17
730#define R_PCRBYTE 18
731#define R_PCRWORD 19
732#define R_PCRLONG 20
026df7c5 733#define R_PCR24 21
26642729
AM		 734#define R_IPRSHORT 24
735#define R_IPRLONG 26
736#define R_GETSEG 29
737#define R_GETPA 30
738#define R_TAGWORD 31
739#define R_JUMPTARG 32 /* strange 29k 00xx00xx reloc */
026df7c5
NC		 740#define R_PARTLS16 32
741#define R_PARTMS8 33
26642729
AM		 742
743#define R_PCR16L 128
744#define R_PCR26L 129
745#define R_VRT16 130
746#define R_HVRT16 131
747#define R_LVRT16 132
748#define R_VRT32 133
252b5132
RH		 749
750
751/* This reloc identifies mov.b instructions with a 16bit absolute
752 address. The linker tries to turn insns with this reloc into
753 an absolute 8-bit address. */
754#define R_MOV16B1 0x41
755
756/* This reloc identifies mov.b instructions which had a 16bit
757 absolute address which have been shortened into a 8-bit
758 absolute address. */
759#define R_MOV16B2 0x42
760
761/* This reloc identifies jmp insns with a 16bit target address;
762 the linker tries to turn these insns into bra insns with
763 an 8bit pc-relative target. */
764#define R_JMP1 0x43
765
766/* This reloc identifies a bra with an 8-bit pc-relative
d586919e 767 target that was formerly a jmp insn with a 16bit target. */
252b5132
RH		 768#define R_JMP2 0x44
769
770/* ??? */
771#define R_RELLONG_NEG 0x45
772
773/* This reloc identifies jmp insns with a 24bit target address;
774 the linker tries to turn these insns into bra insns with
775 an 8bit pc-relative target. */
776#define R_JMPL1 0x46
777
778/* This reloc identifies a bra with an 8-bit pc-relative
d586919e 779 target that was formerly a jmp insn with a 24bit target. */
252b5132
RH		 780#define R_JMPL2 0x47
781
782/* This reloc identifies mov.b instructions with a 24bit absolute
783 address. The linker tries to turn insns with this reloc into
784 an absolute 8-bit address. */
785
786#define R_MOV24B1 0x48
787
788/* This reloc identifies mov.b instructions which had a 24bit
789 absolute address which have been shortened into a 8-bit
790 absolute address. */
791#define R_MOV24B2 0x49
792
793/* An h8300 memory indirect jump/call. Forces the address of the jump/call
794 target into the function vector (in page zero), and the address of the
795 vector entry to be placed in the jump/call instruction. */
796#define R_MEM_INDIRECT 0x4a
797
798/* This reloc identifies a 16bit pc-relative branch target which was
799 shortened into an 8bit pc-relative branch target. */
800#define R_PCRWORD_B 0x4b
801
802/* This reloc identifies mov.[wl] instructions with a 32/24 bit
803 absolute address; the linker may turn this into a mov.[wl]
804 insn with a 16bit absolute address. */
805#define R_MOVL1 0x4c
806
d586919e 807/* This reloc identifies mov.[wl] insns which formerly had
310905c5 808 a 32/24bit absolute address and now have a 16bit absolute address. */
252b5132
RH		 809#define R_MOVL2 0x4d
810
811/* This reloc identifies a bCC:8 which will have it's condition
812 inverted and its target redirected to the target of the branch
813 in the following insn. */
814#define R_BCC_INV 0x4e
815
816/* This reloc identifies a jmp instruction that has been deleted. */
817#define R_JMP_DEL 0x4f
818
819/* Z8k modes */
820#define R_IMM16 0x01 /* 16 bit abs */
821#define R_JR 0x02 /* jr 8 bit disp */
822#define R_IMM4L 0x23 /* low nibble */
823#define R_IMM8 0x22 /* 8 bit abs */
824#define R_IMM32 R_RELLONG /* 32 bit abs */
825#define R_CALL R_DA /* Absolute address which could be a callr */
826#define R_JP R_DA /* Absolute address which could be a jp */
827#define R_REL16 0x04 /* 16 bit PC rel */
828#define R_CALLR 0x05 /* callr 12 bit disp */
829#define R_SEG 0x10 /* set if in segmented mode */
830#define R_IMM4H 0x24 /* high nibble */
831#define R_DISP7 0x25 /* djnz displacement */
832
3c9b82ba
NC		 833/* Z80 modes */
834#define R_OFF8 0x32 /* 8 bit signed abs, for (i[xy]+d) */
134dcee5 835#define R_IMM24 0x33 /* 24 bit abs */
3c9b82ba
NC		 836/* R_JR, R_IMM8, R_IMM16, R_IMM32 - as for Z8k */
837
252b5132
RH		 838/* H8500 modes */
839
840#define R_H8500_IMM8 1 /* 8 bit immediate */
841#define R_H8500_IMM16 2 /* 16 bit immediate */
842#define R_H8500_PCREL8 3 /* 8 bit pcrel */
843#define R_H8500_PCREL16 4 /* 16 bit pcrel */
844#define R_H8500_HIGH8 5 /* high 8 bits of 24 bit address */
845#define R_H8500_LOW16 7 /* low 16 bits of 24 bit immediate */
846#define R_H8500_IMM24 6 /* 24 bit immediate */
847#define R_H8500_IMM32 8 /* 32 bit immediate */
848#define R_H8500_HIGH16 9 /* high 16 bits of 32 bit immediate */
849
850/* W65 modes */
851
852#define R_W65_ABS8 1 /* addr & 0xff */
853#define R_W65_ABS16 2 /* addr & 0xffff */
854#define R_W65_ABS24 3 /* addr & 0xffffff */
855
856#define R_W65_ABS8S8 4 /* (addr >> 8) & 0xff */
857#define R_W65_ABS8S16 5 /* (addr >> 16) & 0xff */
858
859#define R_W65_ABS16S8 6 /* (addr >> 8) & 0ffff */
860#define R_W65_ABS16S16 7 /* (addr >> 16) & 0ffff */
861
862#define R_W65_PCR8 8
863#define R_W65_PCR16 9
864
865#define R_W65_DP 10 /* direct page 8 bits only */
866
867#endif /* GNU_COFF_INTERNAL_H */
GDB Binutils - Deliverables
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