source: trunk/binutils/include/coff/internal.h@ 2840

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1/* Internal format of COFF object file data structures, for GNU BFD.
2 This file is part of BFD, the Binary File Descriptor library.
3
4 Copyright 2001 Free Software Foundation, Inc.
5
6 This program is free software; you can redistribute it and/or modify
7 it under the terms of the GNU General Public License as published by
8 the Free Software Foundation; either version 2 of the License, or
9 (at your option) any later version.
10
11 This program is distributed in the hope that it will be useful,
12 but WITHOUT ANY WARRANTY; without even the implied warranty of
13 MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
14 GNU General Public License for more details.
15
16 You should have received a copy of the GNU General Public License
17 along with this program; if not, write to the Free Software
18 Foundation, Inc., 59 Temple Place - Suite 330, Boston, MA 02111-1307, USA. */
19
20#ifndef GNU_COFF_INTERNAL_H
21#define GNU_COFF_INTERNAL_H 1
22
23/* First, make "signed char" work, even on old compilers. */
24#ifndef signed
25#ifndef __STDC__
26#define signed /**/
27#endif
28#endif
29
30/********************** FILE HEADER **********************/
31
32/* extra stuff in a PE header. */
33
34struct internal_extra_pe_filehdr
35{
36 /* DOS header data follows for PE stuff */
37 unsigned short e_magic; /* Magic number, 0x5a4d */
38 unsigned short e_cblp; /* Bytes on last page of file, 0x90 */
39 unsigned short e_cp; /* Pages in file, 0x3 */
40 unsigned short e_crlc; /* Relocations, 0x0 */
41 unsigned short e_cparhdr; /* Size of header in paragraphs, 0x4 */
42 unsigned short e_minalloc; /* Minimum extra paragraphs needed, 0x0 */
43 unsigned short e_maxalloc; /* Maximum extra paragraphs needed, 0xFFFF */
44 unsigned short e_ss; /* Initial (relative) SS value, 0x0 */
45 unsigned short e_sp; /* Initial SP value, 0xb8 */
46 unsigned short e_csum; /* Checksum, 0x0 */
47 unsigned short e_ip; /* Initial IP value, 0x0 */
48 unsigned short e_cs; /* Initial (relative) CS value, 0x0 */
49 unsigned short e_lfarlc; /* File address of relocation table, 0x40 */
50 unsigned short e_ovno; /* Overlay number, 0x0 */
51 unsigned short e_res[4]; /* Reserved words, all 0x0 */
52 unsigned short e_oemid; /* OEM identifier (for e_oeminfo), 0x0 */
53 unsigned short e_oeminfo; /* OEM information; e_oemid specific, 0x0 */
54 unsigned short e_res2[10]; /* Reserved words, all 0x0 */
55 bfd_vma e_lfanew; /* File address of new exe header, 0x80 */
56 unsigned long dos_message[16]; /* text which always follows dos header */
57 bfd_vma nt_signature; /* required NT signature, 0x4550 */
58};
59
60struct internal_filehdr
61{
62 struct internal_extra_pe_filehdr pe;
63
64 /* Standard coff internal info. */
65 unsigned short f_magic; /* magic number */
66 unsigned short f_nscns; /* number of sections */
67 long f_timdat; /* time & date stamp */
68 bfd_vma f_symptr; /* file pointer to symtab */
69 long f_nsyms; /* number of symtab entries */
70 unsigned short f_opthdr; /* sizeof(optional hdr) */
71 unsigned short f_flags; /* flags */
72 unsigned short f_target_id; /* (TI COFF specific) */
73};
74
75
76/* Bits for f_flags:
77 F_RELFLG relocation info stripped from file
78 F_EXEC file is executable (no unresolved external references)
79 F_LNNO line numbers stripped from file
80 F_LSYMS local symbols stripped from file
81 F_AR16WR file is 16-bit little-endian
82 F_AR32WR file is 32-bit little-endian
83 F_AR32W file is 32-bit big-endian
84 F_DYNLOAD rs/6000 aix: dynamically loadable w/imports & exports
85 F_SHROBJ rs/6000 aix: file is a shared object
86 F_DLL PE format DLL. */
87
88#define F_RELFLG (0x0001)
89#define F_EXEC (0x0002)
90#define F_LNNO (0x0004)
91#define F_LSYMS (0x0008)
92#define F_AR16WR (0x0080)
93#define F_AR32WR (0x0100)
94#define F_AR32W (0x0200)
95#define F_DYNLOAD (0x1000)
96#define F_SHROBJ (0x2000)
97#define F_DLL (0x2000)
98
99/* Extra structure which is used in the optional header. */
100typedef struct _IMAGE_DATA_DIRECTORY
101{
102 bfd_vma VirtualAddress;
103 long Size;
104} IMAGE_DATA_DIRECTORY;
105#define IMAGE_NUMBEROF_DIRECTORY_ENTRIES 16
106
107/* Default image base for NT. */
108#define NT_EXE_IMAGE_BASE 0x400000
109#define NT_DLL_IMAGE_BASE 0x10000000
110
111/* Default image base for BeOS. */
112#define BEOS_EXE_IMAGE_BASE 0x80000000
113#define BEOS_DLL_IMAGE_BASE 0x10000000
114
115/* Extra stuff in a PE aouthdr */
116
117#define PE_DEF_SECTION_ALIGNMENT 0x1000
118#ifndef PE_DEF_FILE_ALIGNMENT
119# define PE_DEF_FILE_ALIGNMENT 0x200
120#endif
121
122struct internal_extra_pe_aouthdr
123{
124 /* PE stuff */
125 bfd_vma ImageBase; /* address of specific location in memory that
126 file is located, NT default 0x10000 */
127
128 bfd_vma SectionAlignment; /* section alignment default 0x1000 */
129 bfd_vma FileAlignment; /* file alignment default 0x200 */
130 short MajorOperatingSystemVersion; /* minimum version of the operating */
131 short MinorOperatingSystemVersion; /* system req'd for exe, default to 1*/
132 short MajorImageVersion; /* user defineable field to store version of */
133 short MinorImageVersion; /* exe or dll being created, default to 0 */
134 short MajorSubsystemVersion; /* minimum subsystem version required to */
135 short MinorSubsystemVersion; /* run exe; default to 3.1 */
136 long Reserved1; /* seems to be 0 */
137 long SizeOfImage; /* size of memory to allocate for prog */
138 long SizeOfHeaders; /* size of PE header and section table */
139 long CheckSum; /* set to 0 */
140 short Subsystem;
141
142 /* type of subsystem exe uses for user interface,
143 possible values:
144 1 - NATIVE Doesn't require a subsystem
145 2 - WINDOWS_GUI runs in Windows GUI subsystem
146 3 - WINDOWS_CUI runs in Windows char sub. (console app)
147 5 - OS2_CUI runs in OS/2 character subsystem
148 7 - POSIX_CUI runs in Posix character subsystem */
149 short DllCharacteristics; /* flags for DLL init, use 0 */
150 bfd_vma SizeOfStackReserve; /* amount of memory to reserve */
151 bfd_vma SizeOfStackCommit; /* amount of memory initially committed for
152 initial thread's stack, default is 0x1000 */
153 bfd_vma SizeOfHeapReserve; /* amount of virtual memory to reserve and */
154 bfd_vma SizeOfHeapCommit; /* commit, don't know what to defaut it to */
155 long LoaderFlags; /* can probably set to 0 */
156 long NumberOfRvaAndSizes; /* number of entries in next entry, 16 */
157 IMAGE_DATA_DIRECTORY DataDirectory[IMAGE_NUMBEROF_DIRECTORY_ENTRIES];
158};
159
160/********************** AOUT "OPTIONAL HEADER" **********************/
161struct internal_aouthdr
162{
163 short magic; /* type of file */
164 short vstamp; /* version stamp */
165 bfd_vma tsize; /* text size in bytes, padded to FW bdry*/
166 bfd_vma dsize; /* initialized data " " */
167 bfd_vma bsize; /* uninitialized data " " */
168 bfd_vma entry; /* entry pt. */
169 bfd_vma text_start; /* base of text used for this file */
170 bfd_vma data_start; /* base of data used for this file */
171
172 /* i960 stuff */
173 unsigned long tagentries; /* number of tag entries to follow */
174
175 /* RS/6000 stuff */
176 bfd_vma o_toc; /* address of TOC */
177 short o_snentry; /* section number for entry point */
178 short o_sntext; /* section number for text */
179 short o_sndata; /* section number for data */
180 short o_sntoc; /* section number for toc */
181 short o_snloader; /* section number for loader section */
182 short o_snbss; /* section number for bss */
183 short o_algntext; /* max alignment for text */
184 short o_algndata; /* max alignment for data */
185 short o_modtype; /* Module type field, 1R,RE,RO */
186 short o_cputype; /* Encoded CPU type */
187 bfd_vma o_maxstack; /* max stack size allowed. */
188 bfd_vma o_maxdata; /* max data size allowed. */
189
190 /* ECOFF stuff */
191 bfd_vma bss_start; /* Base of bss section. */
192 bfd_vma gp_value; /* GP register value. */
193 unsigned long gprmask; /* General registers used. */
194 unsigned long cprmask[4]; /* Coprocessor registers used. */
195 unsigned long fprmask; /* Floating pointer registers used. */
196
197 /* Apollo stuff */
198 long o_inlib; /* inlib data */
199 long o_sri; /* Static Resource Information */
200 long vid[2]; /* Version id */
201
202 struct internal_extra_pe_aouthdr pe;
203};
204
205/********************** STORAGE CLASSES **********************/
206
207/* This used to be defined as -1, but now n_sclass is unsigned. */
208#define C_EFCN 0xff /* physical end of function */
209#define C_NULL 0
210#define C_AUTO 1 /* automatic variable */
211#define C_EXT 2 /* external symbol */
212#define C_STAT 3 /* static */
213#define C_REG 4 /* register variable */
214#define C_EXTDEF 5 /* external definition */
215#define C_LABEL 6 /* label */
216#define C_ULABEL 7 /* undefined label */
217#define C_MOS 8 /* member of structure */
218#define C_ARG 9 /* function argument */
219#define C_STRTAG 10 /* structure tag */
220#define C_MOU 11 /* member of union */
221#define C_UNTAG 12 /* union tag */
222#define C_TPDEF 13 /* type definition */
223#define C_USTATIC 14 /* undefined static */
224#define C_ENTAG 15 /* enumeration tag */
225#define C_MOE 16 /* member of enumeration */
226#define C_REGPARM 17 /* register parameter */
227#define C_FIELD 18 /* bit field */
228#define C_AUTOARG 19 /* auto argument */
229#define C_LASTENT 20 /* dummy entry (end of block) */
230#define C_BLOCK 100 /* ".bb" or ".eb" */
231#define C_FCN 101 /* ".bf" or ".ef" */
232#define C_EOS 102 /* end of structure */
233#define C_FILE 103 /* file name */
234#define C_LINE 104 /* line # reformatted as symbol table entry */
235#define C_ALIAS 105 /* duplicate tag */
236#define C_HIDDEN 106 /* ext symbol in dmert public lib */
237
238#define C_WEAKEXT 127 /* weak symbol -- GNU extension */
239
240/* New storage classes for TI COFF */
241#define C_UEXT 19 /* Tentative external definition */
242#define C_STATLAB 20 /* Static load time label */
243#define C_EXTLAB 21 /* External load time label */
244#define C_SYSTEM 23 /* System Wide variable */
245
246/* New storage classes for WINDOWS_NT */
247#define C_SECTION 104 /* section name */
248#define C_NT_WEAK 105 /* weak external */
249
250 /* New storage classes for 80960 */
251
252/* C_LEAFPROC is obsolete. Use C_LEAFEXT or C_LEAFSTAT */
253#define C_LEAFPROC 108 /* Leaf procedure, "call" via BAL */
254
255#define C_SCALL 107 /* Procedure reachable via system call */
256#define C_LEAFEXT 108 /* External leaf */
257#define C_LEAFSTAT 113 /* Static leaf */
258#define C_OPTVAR 109 /* Optimized variable */
259#define C_DEFINE 110 /* Preprocessor #define */
260#define C_PRAGMA 111 /* Advice to compiler or linker */
261#define C_SEGMENT 112 /* 80960 segment name */
262
263 /* Storage classes for m88k */
264#define C_SHADOW 107 /* shadow symbol */
265#define C_VERSION 108 /* coff version symbol */
266
267 /* New storage classes for RS/6000 */
268#define C_HIDEXT 107 /* Un-named external symbol */
269#define C_BINCL 108 /* Marks beginning of include file */
270#define C_EINCL 109 /* Marks ending of include file */
271
272 /* storage classes for stab symbols for RS/6000 */
273#define C_GSYM (0x80)
274#define C_LSYM (0x81)
275#define C_PSYM (0x82)
276#define C_RSYM (0x83)
277#define C_RPSYM (0x84)
278#define C_STSYM (0x85)
279#define C_TCSYM (0x86)
280#define C_BCOMM (0x87)
281#define C_ECOML (0x88)
282#define C_ECOMM (0x89)
283#define C_DECL (0x8c)
284#define C_ENTRY (0x8d)
285#define C_FUN (0x8e)
286#define C_BSTAT (0x8f)
287#define C_ESTAT (0x90)
288
289/* Storage classes for Thumb symbols */
290#define C_THUMBEXT (128 + C_EXT) /* 130 */
291#define C_THUMBSTAT (128 + C_STAT) /* 131 */
292#define C_THUMBLABEL (128 + C_LABEL) /* 134 */
293#define C_THUMBEXTFUNC (C_THUMBEXT + 20) /* 150 */
294#define C_THUMBSTATFUNC (C_THUMBSTAT + 20) /* 151 */
295
296/********************** SECTION HEADER **********************/
297
298#define SCNNMLEN (8)
299
300struct internal_scnhdr
301{
302 char s_name[SCNNMLEN]; /* section name */
303
304 /* Physical address, aliased s_nlib.
305 In the pei format, this field is the virtual section size
306 (the size of the section after being loaded int memory),
307 NOT the physical address. */
308 bfd_vma s_paddr;
309
310 bfd_vma s_vaddr; /* virtual address */
311 bfd_vma s_size; /* section size */
312 bfd_vma s_scnptr; /* file ptr to raw data for section */
313 bfd_vma s_relptr; /* file ptr to relocation */
314 bfd_vma s_lnnoptr; /* file ptr to line numbers */
315 unsigned long s_nreloc; /* number of relocation entries */
316 unsigned long s_nlnno; /* number of line number entries*/
317 long s_flags; /* flags */
318 long s_align; /* used on I960 */
319 unsigned char s_page; /* TI COFF load page */
320};
321
322/* s_flags "type". */
323#define STYP_REG (0x0000) /* "regular": allocated, relocated, loaded */
324#define STYP_DSECT (0x0001) /* "dummy": relocated only*/
325#define STYP_NOLOAD (0x0002) /* "noload": allocated, relocated, not loaded */
326#define STYP_GROUP (0x0004) /* "grouped": formed of input sections */
327#define STYP_PAD (0x0008) /* "padding": not allocated, not relocated, loaded */
328#define STYP_COPY (0x0010) /* "copy": for decision function used by field update; not allocated, not relocated,
329 loaded; reloc & lineno entries processed normally */
330#define STYP_TEXT (0x0020) /* section contains text only */
331#define S_SHRSEG (0x0020) /* In 3b Update files (output of ogen), sections which appear in SHARED segments of the Pfile
332 will have the S_SHRSEG flag set by ogen, to inform dufr that updating 1 copy of the proc. will
333 update all process invocations. */
334#define STYP_DATA (0x0040) /* section contains data only */
335#define STYP_BSS (0x0080) /* section contains bss only */
336#define S_NEWFCN (0x0100) /* In a minimal file or an update file, a new function (as compared with a replaced function) */
337#define STYP_INFO (0x0200) /* comment: not allocated not relocated, not loaded */
338#define STYP_OVER (0x0400) /* overlay: relocated not allocated or loaded */
339#define STYP_LIB (0x0800) /* for .lib: same as INFO */
340#define STYP_MERGE (0x2000) /* merge section -- combines with text, data or bss sections only */
341#define STYP_REVERSE_PAD (0x4000) /* section will be padded with no-op instructions
342 wherever padding is necessary and there is a
343 word of contiguous bytes beginning on a word
344 boundary. */
345
346#define STYP_LIT 0x8020 /* Literal data (like STYP_TEXT) */
347
348
349/********************** LINE NUMBERS **********************/
350
351/* 1 line number entry for every "breakpointable" source line in a section.
352 Line numbers are grouped on a per function basis; first entry in a function
353 grouping will have l_lnno = 0 and in place of physical address will be the
354 symbol table index of the function name. */
355
356struct internal_lineno
357{
358 union
359 {
360 bfd_signed_vma l_symndx; /* function name symbol index, iff l_lnno == 0*/
361 bfd_signed_vma l_paddr; /* (physical) address of line number */
362 } l_addr;
363 unsigned long l_lnno; /* line number */
364};
365
366/********************** SYMBOLS **********************/
367
368#define SYMNMLEN 8 /* # characters in a symbol name */
369#define FILNMLEN 14 /* # characters in a file name */
370#define DIMNUM 4 /* # array dimensions in auxiliary entry */
371
372struct internal_syment
373{
374 union
375 {
376 char _n_name[SYMNMLEN]; /* old COFF version */
377 struct
378 {
379 long _n_zeroes; /* new == 0 */
380 long _n_offset; /* offset into string table */
381 } _n_n;
382 char *_n_nptr[2]; /* allows for overlaying */
383 } _n;
384 bfd_vma n_value; /* value of symbol */
385 short n_scnum; /* section number */
386 unsigned short n_flags; /* copy of flags from filhdr */
387 unsigned short n_type; /* type and derived type */
388 unsigned char n_sclass; /* storage class */
389 unsigned char n_numaux; /* number of aux. entries */
390};
391
392#define n_name _n._n_name
393#define n_zeroes _n._n_n._n_zeroes
394#define n_offset _n._n_n._n_offset
395
396/* Relocatable symbols have number of the section in which they are defined,
397 or one of the following: */
398
399#define N_UNDEF ((short)0) /* undefined symbol */
400#define N_ABS ((short)-1) /* value of symbol is absolute */
401#define N_DEBUG ((short)-2) /* debugging symbol -- value is meaningless */
402#define N_TV ((short)-3) /* indicates symbol needs preload transfer vector */
403#define P_TV ((short)-4) /* indicates symbol needs postload transfer vector*/
404
405/* Type of a symbol, in low N bits of the word. */
406
407#define T_NULL 0
408#define T_VOID 1 /* function argument (only used by compiler) */
409#define T_CHAR 2 /* character */
410#define T_SHORT 3 /* short integer */
411#define T_INT 4 /* integer */
412#define T_LONG 5 /* long integer */
413#define T_FLOAT 6 /* floating point */
414#define T_DOUBLE 7 /* double word */
415#define T_STRUCT 8 /* structure */
416#define T_UNION 9 /* union */
417#define T_ENUM 10 /* enumeration */
418#define T_MOE 11 /* member of enumeration*/
419#define T_UCHAR 12 /* unsigned character */
420#define T_USHORT 13 /* unsigned short */
421#define T_UINT 14 /* unsigned integer */
422#define T_ULONG 15 /* unsigned long */
423#define T_LNGDBL 16 /* long double */
424
425/* Derived types, in n_type. */
426
427#define DT_NON (0) /* no derived type */
428#define DT_PTR (1) /* pointer */
429#define DT_FCN (2) /* function */
430#define DT_ARY (3) /* array */
431
432#define BTYPE(x) ((x) & N_BTMASK)
433#define DTYPE(x) (((x) & N_TMASK) >> N_BTSHFT)
434
435#define ISPTR(x) \
436 (((unsigned long) (x) & N_TMASK) == ((unsigned long) DT_PTR << N_BTSHFT))
437#define ISFCN(x) \
438 (((unsigned long) (x) & N_TMASK) == ((unsigned long) DT_FCN << N_BTSHFT))
439#define ISARY(x) \
440 (((unsigned long) (x) & N_TMASK) == ((unsigned long) DT_ARY << N_BTSHFT))
441#define ISTAG(x) \
442 ((x) == C_STRTAG || (x) == C_UNTAG || (x) == C_ENTAG)
443#define DECREF(x) \
444 ((((x) >> N_TSHIFT) & ~ N_BTMASK) | ((x) & N_BTMASK))
445
446union internal_auxent
447{
448 struct
449 {
450
451 union
452 {
453 long l; /* str, un, or enum tag indx */
454 struct coff_ptr_struct *p;
455 } x_tagndx;
456
457 union
458 {
459 struct
460 {
461 unsigned short x_lnno; /* declaration line number */
462 unsigned short x_size; /* str/union/array size */
463 } x_lnsz;
464 long x_fsize; /* size of function */
465 } x_misc;
466
467 union
468 {
469 struct
470 { /* if ISFCN, tag, or .bb */
471 bfd_signed_vma x_lnnoptr; /* ptr to fcn line # */
472 union
473 { /* entry ndx past block end */
474 long l;
475 struct coff_ptr_struct *p;
476 } x_endndx;
477 } x_fcn;
478
479 struct
480 { /* if ISARY, up to 4 dimen. */
481 unsigned short x_dimen[DIMNUM];
482 } x_ary;
483 } x_fcnary;
484
485 unsigned short x_tvndx; /* tv index */
486 } x_sym;
487
488 union
489 {
490 char x_fname[FILNMLEN];
491 struct
492 {
493 long x_zeroes;
494 long x_offset;
495 } x_n;
496 } x_file;
497
498 struct
499 {
500 long x_scnlen; /* section length */
501 unsigned short x_nreloc; /* # relocation entries */
502 unsigned short x_nlinno; /* # line numbers */
503 unsigned long x_checksum; /* section COMDAT checksum for PE */
504 unsigned short x_associated; /* COMDAT associated section index for PE */
505 unsigned char x_comdat; /* COMDAT selection number for PE */
506 } x_scn;
507
508 struct
509 {
510 long x_tvfill; /* tv fill value */
511 unsigned short x_tvlen; /* length of .tv */
512 unsigned short x_tvran[2]; /* tv range */
513 } x_tv; /* info about .tv section (in auxent of symbol .tv)) */
514
515 /******************************************
516 * RS/6000-specific auxent - last auxent for every external symbol
517 ******************************************/
518 struct
519 {
520 union
521 { /* csect length or enclosing csect */
522 bfd_signed_vma l;
523 struct coff_ptr_struct *p;
524 } x_scnlen;
525 long x_parmhash; /* parm type hash index */
526 unsigned short x_snhash; /* sect num with parm hash */
527 unsigned char x_smtyp; /* symbol align and type */
528 /* 0-4 - Log 2 of alignment */
529 /* 5-7 - symbol type */
530 unsigned char x_smclas; /* storage mapping class */
531 long x_stab; /* dbx stab info index */
532 unsigned short x_snstab; /* sect num with dbx stab */
533 } x_csect; /* csect definition information */
534
535/* x_smtyp values: */
536
537#define SMTYP_ALIGN(x) ((x) >> 3) /* log2 of alignment */
538#define SMTYP_SMTYP(x) ((x) & 0x7) /* symbol type */
539/* Symbol type values: */
540#define XTY_ER 0 /* External reference */
541#define XTY_SD 1 /* Csect definition */
542#define XTY_LD 2 /* Label definition */
543#define XTY_CM 3 /* .BSS */
544#define XTY_EM 4 /* Error message */
545#define XTY_US 5 /* "Reserved for internal use" */
546
547/* x_smclas values: */
548
549#define XMC_PR 0 /* Read-only program code */
550#define XMC_RO 1 /* Read-only constant */
551#define XMC_DB 2 /* Read-only debug dictionary table */
552#define XMC_TC 3 /* Read-write general TOC entry */
553#define XMC_UA 4 /* Read-write unclassified */
554#define XMC_RW 5 /* Read-write data */
555#define XMC_GL 6 /* Read-only global linkage */
556#define XMC_XO 7 /* Read-only extended operation */
557#define XMC_SV 8 /* Read-only supervisor call */
558#define XMC_BS 9 /* Read-write BSS */
559#define XMC_DS 10 /* Read-write descriptor csect */
560#define XMC_UC 11 /* Read-write unnamed Fortran common */
561#define XMC_TI 12 /* Read-only traceback index csect */
562#define XMC_TB 13 /* Read-only traceback table csect */
563/* 14 ??? */
564#define XMC_TC0 15 /* Read-write TOC anchor */
565#define XMC_TD 16 /* Read-write data in TOC */
566
567 /******************************************
568 * I960-specific *2nd* aux. entry formats
569 ******************************************/
570 struct
571 {
572 /* This is a very old typo that keeps getting propagated. */
573#define x_stdindx x_stindx
574 long x_stindx; /* sys. table entry */
575 } x_sc; /* system call entry */
576
577 struct
578 {
579 unsigned long x_balntry; /* BAL entry point */
580 } x_bal; /* BAL-callable function */
581
582 struct
583 {
584 unsigned long x_timestamp; /* time stamp */
585 char x_idstring[20]; /* producer identity string */
586 } x_ident; /* Producer ident info */
587
588};
589
590/********************** RELOCATION DIRECTIVES **********************/
591
592struct internal_reloc
593{
594 bfd_vma r_vaddr; /* Virtual address of reference */
595 long r_symndx; /* Index into symbol table */
596 unsigned short r_type; /* Relocation type */
597 unsigned char r_size; /* Used by RS/6000 and ECOFF */
598 unsigned char r_extern; /* Used by ECOFF */
599 unsigned long r_offset; /* Used by Alpha ECOFF, SPARC, others */
600};
601
602#define R_DIR16 1
603#define R_REL24 5
604#define R_DIR32 6
605#define R_IMAGEBASE 7
606#define R_RELBYTE 15
607#define R_RELWORD 16
608#define R_RELLONG 17
609#define R_PCRBYTE 18
610#define R_PCRWORD 19
611#define R_PCRLONG 20
612#define R_PCR24 21
613#define R_IPRSHORT 24
614#define R_IPRLONG 26
615#define R_GETSEG 29
616#define R_GETPA 30
617#define R_TAGWORD 31
618#define R_JUMPTARG 32 /* strange 29k 00xx00xx reloc */
619#define R_PARTLS16 32
620#define R_PARTMS8 33
621
622#define R_PCR16L 128
623#define R_PCR26L 129
624#define R_VRT16 130
625#define R_HVRT16 131
626#define R_LVRT16 132
627#define R_VRT32 133
628
629
630/* This reloc identifies mov.b instructions with a 16bit absolute
631 address. The linker tries to turn insns with this reloc into
632 an absolute 8-bit address. */
633#define R_MOV16B1 0x41
634
635/* This reloc identifies mov.b instructions which had a 16bit
636 absolute address which have been shortened into a 8-bit
637 absolute address. */
638#define R_MOV16B2 0x42
639
640/* This reloc identifies jmp insns with a 16bit target address;
641 the linker tries to turn these insns into bra insns with
642 an 8bit pc-relative target. */
643#define R_JMP1 0x43
644
645/* This reloc identifies a bra with an 8-bit pc-relative
646 target that was formerly a jmp insn with a 16bit target. */
647#define R_JMP2 0x44
648
649/* ??? */
650#define R_RELLONG_NEG 0x45
651
652/* This reloc identifies jmp insns with a 24bit target address;
653 the linker tries to turn these insns into bra insns with
654 an 8bit pc-relative target. */
655#define R_JMPL1 0x46
656
657/* This reloc identifies a bra with an 8-bit pc-relative
658 target that was formerly a jmp insn with a 24bit target. */
659#define R_JMPL2 0x47
660
661/* This reloc identifies mov.b instructions with a 24bit absolute
662 address. The linker tries to turn insns with this reloc into
663 an absolute 8-bit address. */
664
665#define R_MOV24B1 0x48
666
667/* This reloc identifies mov.b instructions which had a 24bit
668 absolute address which have been shortened into a 8-bit
669 absolute address. */
670#define R_MOV24B2 0x49
671
672/* An h8300 memory indirect jump/call. Forces the address of the jump/call
673 target into the function vector (in page zero), and the address of the
674 vector entry to be placed in the jump/call instruction. */
675#define R_MEM_INDIRECT 0x4a
676
677/* This reloc identifies a 16bit pc-relative branch target which was
678 shortened into an 8bit pc-relative branch target. */
679#define R_PCRWORD_B 0x4b
680
681/* This reloc identifies mov.[wl] instructions with a 32/24 bit
682 absolute address; the linker may turn this into a mov.[wl]
683 insn with a 16bit absolute address. */
684#define R_MOVL1 0x4c
685
686/* This reloc identifies mov.[wl] insns which formerly had
687 a 32/24bit absolute address and now have a 16bit absolute address. */
688#define R_MOVL2 0x4d
689
690/* This reloc identifies a bCC:8 which will have it's condition
691 inverted and its target redirected to the target of the branch
692 in the following insn. */
693#define R_BCC_INV 0x4e
694
695/* This reloc identifies a jmp instruction that has been deleted. */
696#define R_JMP_DEL 0x4f
697
698/* Z8k modes */
699#define R_IMM16 0x01 /* 16 bit abs */
700#define R_JR 0x02 /* jr 8 bit disp */
701#define R_IMM4L 0x23 /* low nibble */
702#define R_IMM8 0x22 /* 8 bit abs */
703#define R_IMM32 R_RELLONG /* 32 bit abs */
704#define R_CALL R_DA /* Absolute address which could be a callr */
705#define R_JP R_DA /* Absolute address which could be a jp */
706#define R_REL16 0x04 /* 16 bit PC rel */
707#define R_CALLR 0x05 /* callr 12 bit disp */
708#define R_SEG 0x10 /* set if in segmented mode */
709#define R_IMM4H 0x24 /* high nibble */
710#define R_DISP7 0x25 /* djnz displacement */
711
712/* H8500 modes */
713
714#define R_H8500_IMM8 1 /* 8 bit immediate */
715#define R_H8500_IMM16 2 /* 16 bit immediate */
716#define R_H8500_PCREL8 3 /* 8 bit pcrel */
717#define R_H8500_PCREL16 4 /* 16 bit pcrel */
718#define R_H8500_HIGH8 5 /* high 8 bits of 24 bit address */
719#define R_H8500_LOW16 7 /* low 16 bits of 24 bit immediate */
720#define R_H8500_IMM24 6 /* 24 bit immediate */
721#define R_H8500_IMM32 8 /* 32 bit immediate */
722#define R_H8500_HIGH16 9 /* high 16 bits of 32 bit immediate */
723
724/* W65 modes */
725
726#define R_W65_ABS8 1 /* addr & 0xff */
727#define R_W65_ABS16 2 /* addr & 0xffff */
728#define R_W65_ABS24 3 /* addr & 0xffffff */
729
730#define R_W65_ABS8S8 4 /* (addr >> 8) & 0xff */
731#define R_W65_ABS8S16 5 /* (addr >> 16) & 0xff */
732
733#define R_W65_ABS16S8 6 /* (addr >> 8) & 0ffff */
734#define R_W65_ABS16S16 7 /* (addr >> 16) & 0ffff */
735
736#define R_W65_PCR8 8
737#define R_W65_PCR16 9
738
739#define R_W65_DP 10 /* direct page 8 bits only */
740
741#endif /* GNU_COFF_INTERNAL_H */
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