1 /* Internal format of COFF object file data structures, for GNU BFD.
2 This file is part of BFD, the Binary File Descriptor library.
4 Copyright (C) 1999-2016 Free Software Foundation, Inc.
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 3 of the License, or
9 (at your option) any later version.
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.
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., 51 Franklin Street - Fifth Floor, Boston,
19 MA 02110-1301, USA. */
21 #ifndef GNU_COFF_INTERNAL_H
22 #define GNU_COFF_INTERNAL_H 1
24 /* First, make "signed char" work, even on old compilers. */
31 /********************** FILE HEADER **********************/
33 /* extra stuff in a PE header. */
35 struct internal_extra_pe_filehdr
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 */
61 #define GO32_STUBSIZE 2048
63 struct internal_filehdr
65 struct internal_extra_pe_filehdr pe;
67 /* coff-stgo32 EXE stub header before BFD tdata has been allocated.
68 Its data is kept in INTERNAL_FILEHDR.GO32STUB afterwards.
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];
74 /* Standard coff internal info. */
75 unsigned short f_magic; /* magic number */
76 unsigned int f_nscns; /* number of sections */
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 */
82 unsigned short f_target_id; /* (TI COFF specific) */
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
97 F_GO32STUB Field go32stub contains valid data. */
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)
109 #define F_GO32STUB (0x4000)
111 /* Extra structure which is used in the optional header. */
112 typedef struct _IMAGE_DATA_DIRECTORY
114 bfd_vma VirtualAddress;
116 } IMAGE_DATA_DIRECTORY;
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. */
133 #define IMAGE_NUMBEROF_DIRECTORY_ENTRIES 16
135 /* Extra structure used in debug directory. */
136 struct internal_IMAGE_DEBUG_DIRECTORY
138 unsigned long Characteristics;
139 unsigned long TimeDateStamp;
140 unsigned short MajorVersion;
141 unsigned short MinorVersion;
143 unsigned long SizeOfData;
144 unsigned long AddressOfRawData;
145 unsigned long PointerToRawData;
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
161 /* Extra structure for a codeview debug record */
162 #define CV_INFO_SIGNATURE_LENGTH 16
164 typedef struct _CODEVIEW_INFO
166 unsigned long CVSignature;
167 char Signature[CV_INFO_SIGNATURE_LENGTH];
168 unsigned int SignatureLength;
170 // char PdbFileName[];
173 /* Default image base for NT. */
174 #define NT_EXE_IMAGE_BASE 0x400000
175 #define NT_DLL_IMAGE_BASE 0x10000000
177 /* Default image base for BeOS. */
178 #define BEOS_EXE_IMAGE_BASE 0x80000000
179 #define BEOS_DLL_IMAGE_BASE 0x10000000
181 /* Extra stuff in a PE aouthdr */
183 #define PE_DEF_SECTION_ALIGNMENT 0x1000
184 #ifndef PE_DEF_FILE_ALIGNMENT
185 # define PE_DEF_FILE_ALIGNMENT 0x200
188 struct internal_extra_pe_aouthdr
190 /* FIXME: The following entries are in AOUTHDR. But they aren't
191 available internally in bfd. We add them here so that objdump
193 /* The state of the image file. */
195 /* Linker major version number. */
196 char MajorLinkerVersion;
197 /* Linker minor version number. */
198 char MinorLinkerVersion;
199 /* Total size of all code sections. */
201 /* Total size of all initialized data sections. */
202 long SizeOfInitializedData;
203 /* Total size of all uninitialized data sections. */
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. */
209 /* Address of the first data section relative to image base. */
213 bfd_vma ImageBase; /* Address of specific location in memory that
214 file is located, NT default 0x10000. */
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. */
230 /* Type of subsystem exe uses for user interface,
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
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. */
245 IMAGE_DATA_DIRECTORY DataDirectory[IMAGE_NUMBEROF_DIRECTORY_ENTRIES];
248 /********************** AOUT "OPTIONAL HEADER" **********************/
249 struct internal_aouthdr
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 */
261 unsigned long tagentries; /* number of tag entries to follow */
264 bfd_vma o_toc; /* address of TOC */
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 */
275 bfd_vma o_maxstack; /* max stack size allowed. */
276 bfd_vma o_maxdata; /* max data size allowed. */
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. */
286 long o_inlib; /* inlib data */
287 long o_sri; /* Static Resource Information */
288 long vid[2]; /* Version id */
290 struct internal_extra_pe_aouthdr pe;
293 /********************** STORAGE CLASSES **********************/
295 /* This used to be defined as -1, but now n_sclass is unsigned. */
296 #define C_EFCN 0xff /* physical end of function */
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 */
325 #define C_WEAKEXT 127 /* weak symbol -- GNU extension. */
327 /* New storage classes for TI COFF */
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 */
333 /* New storage classes for WINDOWS_NT */
334 #define C_SECTION 104 /* section name */
335 #define C_NT_WEAK 105 /* weak external */
337 /* New storage classes for 80960 */
339 /* C_LEAFPROC is obsolete. Use C_LEAFEXT or C_LEAFSTAT */
340 #define C_LEAFPROC 108 /* Leaf procedure, "call" via BAL */
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 */
350 /* Storage classes for m88k */
351 #define C_SHADOW 107 /* shadow symbol */
352 #define C_VERSION 108 /* coff version symbol */
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 */
358 #define C_AIX_WEAKEXT 111 /* AIX definition of C_WEAKEXT. */
360 #define C_NULL_VALUE 0x00de1e00 /* Value for a C_NULL deleted entry. */
362 #if defined _AIX52 || defined AIX_WEAK_SUPPORT
364 #define C_WEAKEXT C_AIX_WEAKEXT
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)
381 #define C_BSTAT (0x8f)
382 #define C_ESTAT (0x90)
383 #define C_GTLS (0x97)
384 #define C_STTLS (0x98)
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 */
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)
397 /********************** SECTION HEADER **********************/
401 struct internal_scnhdr
403 char s_name[SCNNMLEN]; /* section name */
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. */
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 */
420 unsigned char s_page; /* TI COFF load page */
423 /* s_flags "type". */
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 */
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
447 #define STYP_LIT 0x8020 /* Literal data (like STYP_TEXT) */
450 /********************** LINE NUMBERS **********************/
452 /* 1 line number entry for every "breakpointable" source line in a section.
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. */
457 struct internal_lineno
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 */
464 unsigned long l_lnno; /* line number */
467 /********************** SYMBOLS **********************/
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 */
473 struct internal_syment
477 char _n_name[SYMNMLEN]; /* old COFF version */
480 bfd_hostptr_t _n_zeroes; /* new == 0 */
481 bfd_hostptr_t _n_offset; /* offset into string table */
483 char *_n_nptr[2]; /* allows for overlaying */
485 bfd_vma n_value; /* value of symbol */
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 */
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
497 /* Relocatable symbols have number of the section in which they are defined,
498 or one of the following: */
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*/
506 /* Type of a symbol, in low N bits of the word. */
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 */
526 /* Derived types, in n_type. */
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 */
533 #define BTYPE(x) ((x) & N_BTMASK)
534 #define DTYPE(x) (((x) & N_TMASK) >> N_BTSHFT)
537 (((unsigned long) (x) & N_TMASK) == ((unsigned long) DT_PTR << N_BTSHFT))
539 (((unsigned long) (x) & N_TMASK) == ((unsigned long) DT_FCN << N_BTSHFT))
541 (((unsigned long) (x) & N_TMASK) == ((unsigned long) DT_ARY << N_BTSHFT))
543 ((x) == C_STRTAG || (x) == C_UNTAG || (x) == C_ENTAG)
545 ((((x) >> N_TSHIFT) & ~ N_BTMASK) | ((x) & N_BTMASK))
547 union internal_auxent
554 long l; /* str, un, or enum tag indx */
555 struct coff_ptr_struct *p;
562 unsigned short x_lnno; /* declaration line number */
563 unsigned short x_size; /* str/union/array size */
565 long x_fsize; /* size of function */
571 { /* if ISFCN, tag, or .bb */
572 bfd_signed_vma x_lnnoptr; /* ptr to fcn line # */
574 { /* entry ndx past block end */
576 struct coff_ptr_struct *p;
581 { /* if ISARY, up to 4 dimen. */
582 unsigned short x_dimen[DIMNUM];
586 unsigned short x_tvndx; /* tv index */
591 /* PR 17754: We use to FILNMLEN for the size of the x_fname
592 array, but that cause problems as PE targets use a larger
593 value. We cannot use their definition of EFILNMLEN as this
594 header can be used without including any PE headers. */
605 long x_scnlen; /* section length */
606 unsigned short x_nreloc; /* # relocation entries */
607 unsigned short x_nlinno; /* # line numbers */
608 unsigned long x_checksum; /* section COMDAT checksum for PE */
609 unsigned short x_associated; /* COMDAT associated section index for PE */
610 unsigned char x_comdat; /* COMDAT selection number for PE */
615 long x_tvfill; /* tv fill value */
616 unsigned short x_tvlen; /* length of .tv */
617 unsigned short x_tvran[2]; /* tv range */
618 } x_tv; /* info about .tv section (in auxent of symbol .tv)) */
620 /******************************************
621 * RS/6000-specific auxent - last auxent for every external symbol
622 ******************************************/
626 { /* csect length or enclosing csect */
628 struct coff_ptr_struct *p;
630 long x_parmhash; /* parm type hash index */
631 unsigned short x_snhash; /* sect num with parm hash */
632 unsigned char x_smtyp; /* symbol align and type */
633 /* 0-4 - Log 2 of alignment */
634 /* 5-7 - symbol type */
635 unsigned char x_smclas; /* storage mapping class */
636 long x_stab; /* dbx stab info index */
637 unsigned short x_snstab; /* sect num with dbx stab */
638 } x_csect; /* csect definition information */
640 /* x_smtyp values: */
642 #define SMTYP_ALIGN(x) ((x) >> 3) /* log2 of alignment */
643 #define SMTYP_SMTYP(x) ((x) & 0x7) /* symbol type */
644 /* Symbol type values: */
645 #define XTY_ER 0 /* External reference */
646 #define XTY_SD 1 /* Csect definition */
647 #define XTY_LD 2 /* Label definition */
648 #define XTY_CM 3 /* .BSS */
649 #define XTY_EM 4 /* Error message */
650 #define XTY_US 5 /* "Reserved for internal use" */
652 /* x_smclas values: */
654 #define XMC_PR 0 /* Read-only program code */
655 #define XMC_RO 1 /* Read-only constant */
656 #define XMC_DB 2 /* Read-only debug dictionary table */
657 #define XMC_TC 3 /* Read-write general TOC entry */
658 #define XMC_UA 4 /* Read-write unclassified */
659 #define XMC_RW 5 /* Read-write data */
660 #define XMC_GL 6 /* Read-only global linkage */
661 #define XMC_XO 7 /* Read-only extended operation */
662 #define XMC_SV 8 /* Read-only supervisor call */
663 #define XMC_BS 9 /* Read-write BSS */
664 #define XMC_DS 10 /* Read-write descriptor csect */
665 #define XMC_UC 11 /* Read-write unnamed Fortran common */
666 #define XMC_TI 12 /* Read-only traceback index csect */
667 #define XMC_TB 13 /* Read-only traceback table csect */
669 #define XMC_TC0 15 /* Read-write TOC anchor */
670 #define XMC_TD 16 /* Read-write data in TOC */
672 /******************************************
673 * I960-specific *2nd* aux. entry formats
674 ******************************************/
677 /* This is a very old typo that keeps getting propagated. */
678 #define x_stdindx x_stindx
679 long x_stindx; /* sys. table entry */
680 } x_sc; /* system call entry */
684 unsigned long x_balntry; /* BAL entry point */
685 } x_bal; /* BAL-callable function */
689 unsigned long x_timestamp; /* time stamp */
690 char x_idstring[20]; /* producer identity string */
691 } x_ident; /* Producer ident info */
695 /********************** RELOCATION DIRECTIVES **********************/
697 struct internal_reloc
699 bfd_vma r_vaddr; /* Virtual address of reference */
700 long r_symndx; /* Index into symbol table */
701 unsigned short r_type; /* Relocation type */
702 unsigned char r_size; /* Used by RS/6000 and ECOFF */
703 unsigned char r_extern; /* Used by ECOFF */
704 unsigned long r_offset; /* Used by Alpha ECOFF, SPARC, others */
707 /* X86-64 relocations. */
708 #define R_AMD64_ABS 0 /* Reference is absolute, no relocation is necessary. */
709 #define R_AMD64_DIR64 1 /* 64-bit address (VA). */
710 #define R_AMD64_DIR32 2 /* 32-bit address (VA) R_DIR32. */
711 #define R_AMD64_IMAGEBASE 3 /* 32-bit absolute ref w/o base R_IMAGEBASE. */
712 #define R_AMD64_PCRLONG 4 /* 32-bit relative address from byte following reloc R_PCRLONG. */
713 #define R_AMD64_PCRLONG_1 5 /* 32-bit relative address from byte distance 1 from reloc. */
714 #define R_AMD64_PCRLONG_2 6 /* 32-bit relative address from byte distance 2 from reloc. */
715 #define R_AMD64_PCRLONG_3 7 /* 32-bit relative address from byte distance 3 from reloc. */
716 #define R_AMD64_PCRLONG_4 8 /* 32-bit relative address from byte distance 4 from reloc. */
717 #define R_AMD64_PCRLONG_5 9 /* 32-bit relative address from byte distance 5 from reloc. */
718 #define R_AMD64_SECTION 10 /* Section index. */
719 #define R_AMD64_SECREL 11 /* 32 bit offset from base of section containing target R_SECREL. */
720 #define R_AMD64_SECREL7 12 /* 7 bit unsigned offset from base of section containing target. */
721 #define R_AMD64_TOKEN 13 /* 32 bit metadata token. */
722 #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. */
724 /* i386 Relocations. */
729 #define R_IMAGEBASE 7
730 #define R_SECREL32 11
738 #define R_IPRSHORT 24
743 #define R_JUMPTARG 32 /* strange 29k 00xx00xx reloc */
744 #define R_PARTLS16 32
755 /* This reloc identifies mov.b instructions with a 16bit absolute
756 address. The linker tries to turn insns with this reloc into
757 an absolute 8-bit address. */
758 #define R_MOV16B1 0x41
760 /* This reloc identifies mov.b instructions which had a 16bit
761 absolute address which have been shortened into a 8-bit
763 #define R_MOV16B2 0x42
765 /* This reloc identifies jmp insns with a 16bit target address;
766 the linker tries to turn these insns into bra insns with
767 an 8bit pc-relative target. */
770 /* This reloc identifies a bra with an 8-bit pc-relative
771 target that was formerly a jmp insn with a 16bit target. */
775 #define R_RELLONG_NEG 0x45
777 /* This reloc identifies jmp insns with a 24bit target address;
778 the linker tries to turn these insns into bra insns with
779 an 8bit pc-relative target. */
782 /* This reloc identifies a bra with an 8-bit pc-relative
783 target that was formerly a jmp insn with a 24bit target. */
786 /* This reloc identifies mov.b instructions with a 24bit absolute
787 address. The linker tries to turn insns with this reloc into
788 an absolute 8-bit address. */
790 #define R_MOV24B1 0x48
792 /* This reloc identifies mov.b instructions which had a 24bit
793 absolute address which have been shortened into a 8-bit
795 #define R_MOV24B2 0x49
797 /* An h8300 memory indirect jump/call. Forces the address of the jump/call
798 target into the function vector (in page zero), and the address of the
799 vector entry to be placed in the jump/call instruction. */
800 #define R_MEM_INDIRECT 0x4a
802 /* This reloc identifies a 16bit pc-relative branch target which was
803 shortened into an 8bit pc-relative branch target. */
804 #define R_PCRWORD_B 0x4b
806 /* This reloc identifies mov.[wl] instructions with a 32/24 bit
807 absolute address; the linker may turn this into a mov.[wl]
808 insn with a 16bit absolute address. */
811 /* This reloc identifies mov.[wl] insns which formerly had
812 a 32/24bit absolute address and now have a 16bit absolute address. */
815 /* This reloc identifies a bCC:8 which will have it's condition
816 inverted and its target redirected to the target of the branch
817 in the following insn. */
818 #define R_BCC_INV 0x4e
820 /* This reloc identifies a jmp instruction that has been deleted. */
821 #define R_JMP_DEL 0x4f
824 #define R_IMM16 0x01 /* 16 bit abs */
825 #define R_JR 0x02 /* jr 8 bit disp */
826 #define R_IMM4L 0x23 /* low nibble */
827 #define R_IMM8 0x22 /* 8 bit abs */
828 #define R_IMM32 R_RELLONG /* 32 bit abs */
829 #define R_CALL R_DA /* Absolute address which could be a callr */
830 #define R_JP R_DA /* Absolute address which could be a jp */
831 #define R_REL16 0x04 /* 16 bit PC rel */
832 #define R_CALLR 0x05 /* callr 12 bit disp */
833 #define R_SEG 0x10 /* set if in segmented mode */
834 #define R_IMM4H 0x24 /* high nibble */
835 #define R_DISP7 0x25 /* djnz displacement */
838 #define R_OFF8 0x32 /* 8 bit signed abs, for (i[xy]+d) */
839 #define R_IMM24 0x33 /* 24 bit abs */
840 /* R_JR, R_IMM8, R_IMM16, R_IMM32 - as for Z8k */
844 #define R_H8500_IMM8 1 /* 8 bit immediate */
845 #define R_H8500_IMM16 2 /* 16 bit immediate */
846 #define R_H8500_PCREL8 3 /* 8 bit pcrel */
847 #define R_H8500_PCREL16 4 /* 16 bit pcrel */
848 #define R_H8500_HIGH8 5 /* high 8 bits of 24 bit address */
849 #define R_H8500_LOW16 7 /* low 16 bits of 24 bit immediate */
850 #define R_H8500_IMM24 6 /* 24 bit immediate */
851 #define R_H8500_IMM32 8 /* 32 bit immediate */
852 #define R_H8500_HIGH16 9 /* high 16 bits of 32 bit immediate */
856 #define R_W65_ABS8 1 /* addr & 0xff */
857 #define R_W65_ABS16 2 /* addr & 0xffff */
858 #define R_W65_ABS24 3 /* addr & 0xffffff */
860 #define R_W65_ABS8S8 4 /* (addr >> 8) & 0xff */
861 #define R_W65_ABS8S16 5 /* (addr >> 16) & 0xff */
863 #define R_W65_ABS16S8 6 /* (addr >> 8) & 0ffff */
864 #define R_W65_ABS16S16 7 /* (addr >> 16) & 0ffff */
867 #define R_W65_PCR16 9
869 #define R_W65_DP 10 /* direct page 8 bits only */
871 #endif /* GNU_COFF_INTERNAL_H */