Commit | Line | Data |
---|---|---|
252b5132 | 1 | /* Internal format of COFF object file data structures, for GNU BFD. |
4f1d9bd8 NC |
2 | This file is part of BFD, the Binary File Descriptor library. |
3 | ||
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 NC |
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 | |
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 | ||
35 | struct internal_extra_pe_filehdr | |
36 | { | |
37 | /* DOS header data follows for PE stuff */ | |
38 | unsigned short e_magic; /* Magic number, 0x5a4d */ | |
39 | unsigned short e_cblp; /* Bytes on last page of file, 0x90 */ | |
40 | unsigned short e_cp; /* Pages in file, 0x3 */ | |
41 | unsigned short e_crlc; /* Relocations, 0x0 */ | |
42 | unsigned short e_cparhdr; /* Size of header in paragraphs, 0x4 */ | |
43 | unsigned short e_minalloc; /* Minimum extra paragraphs needed, 0x0 */ | |
44 | unsigned short e_maxalloc; /* Maximum extra paragraphs needed, 0xFFFF */ | |
45 | unsigned short e_ss; /* Initial (relative) SS value, 0x0 */ | |
46 | unsigned short e_sp; /* Initial SP value, 0xb8 */ | |
47 | unsigned short e_csum; /* Checksum, 0x0 */ | |
48 | unsigned short e_ip; /* Initial IP value, 0x0 */ | |
49 | unsigned short e_cs; /* Initial (relative) CS value, 0x0 */ | |
50 | unsigned short e_lfarlc; /* File address of relocation table, 0x40 */ | |
51 | unsigned short e_ovno; /* Overlay number, 0x0 */ | |
52 | unsigned short e_res[4]; /* Reserved words, all 0x0 */ | |
53 | unsigned short e_oemid; /* OEM identifier (for e_oeminfo), 0x0 */ | |
54 | unsigned short e_oeminfo; /* OEM information; e_oemid specific, 0x0 */ | |
55 | unsigned short e_res2[10]; /* Reserved words, all 0x0 */ | |
56 | bfd_vma e_lfanew; /* File address of new exe header, 0x80 */ | |
57 | unsigned long dos_message[16]; /* text which always follows dos header */ | |
58 | bfd_vma nt_signature; /* required NT signature, 0x4550 */ | |
59 | }; | |
60 | ||
9bf609ec JK |
61 | #define GO32_STUBSIZE 2048 |
62 | ||
252b5132 RH |
63 | struct 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. | |
69 | ||
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. */ |
252b5132 RH |
112 | typedef struct _IMAGE_DATA_DIRECTORY |
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 | ||
c6e94b27 | 135 | /* Default image base for NT. */ |
252b5132 RH |
136 | #define NT_EXE_IMAGE_BASE 0x400000 |
137 | #define NT_DLL_IMAGE_BASE 0x10000000 | |
138 | ||
c6e94b27 RH |
139 | /* Default image base for BeOS. */ |
140 | #define BEOS_EXE_IMAGE_BASE 0x80000000 | |
141 | #define BEOS_DLL_IMAGE_BASE 0x10000000 | |
142 | ||
252b5132 RH |
143 | /* Extra stuff in a PE aouthdr */ |
144 | ||
145 | #define PE_DEF_SECTION_ALIGNMENT 0x1000 | |
63fa1674 JW |
146 | #ifndef PE_DEF_FILE_ALIGNMENT |
147 | # define PE_DEF_FILE_ALIGNMENT 0x200 | |
148 | #endif | |
252b5132 RH |
149 | |
150 | struct internal_extra_pe_aouthdr | |
151 | { | |
d13c9dc6 L |
152 | /* FIXME: The following entries are in AOUTHDR. But they aren't |
153 | available internally in bfd. We add them here so that objdump | |
154 | can dump them. */ | |
155 | /* The state of the image file */ | |
156 | short Magic; | |
157 | /* Linker major version number */ | |
158 | char MajorLinkerVersion; | |
159 | /* Linker minor version number */ | |
160 | char MinorLinkerVersion; | |
161 | /* Total size of all code sections */ | |
162 | long SizeOfCode; | |
163 | /* Total size of all initialized data sections */ | |
164 | long SizeOfInitializedData; | |
165 | /* Total size of all uninitialized data sections */ | |
166 | long SizeOfUninitializedData; | |
167 | /* Address of entry point relative to image base. */ | |
168 | bfd_vma AddressOfEntryPoint; | |
169 | /* Address of the first code section relative to image base. */ | |
170 | bfd_vma BaseOfCode; | |
171 | /* Address of the first data section relative to image base. */ | |
172 | bfd_vma BaseOfData; | |
173 | ||
252b5132 RH |
174 | /* PE stuff */ |
175 | bfd_vma ImageBase; /* address of specific location in memory that | |
176 | file is located, NT default 0x10000 */ | |
177 | ||
178 | bfd_vma SectionAlignment; /* section alignment default 0x1000 */ | |
179 | bfd_vma FileAlignment; /* file alignment default 0x200 */ | |
180 | short MajorOperatingSystemVersion; /* minimum version of the operating */ | |
181 | short MinorOperatingSystemVersion; /* system req'd for exe, default to 1*/ | |
182 | short MajorImageVersion; /* user defineable field to store version of */ | |
183 | short MinorImageVersion; /* exe or dll being created, default to 0 */ | |
184 | short MajorSubsystemVersion; /* minimum subsystem version required to */ | |
185 | short MinorSubsystemVersion; /* run exe; default to 3.1 */ | |
186 | long Reserved1; /* seems to be 0 */ | |
187 | long SizeOfImage; /* size of memory to allocate for prog */ | |
188 | long SizeOfHeaders; /* size of PE header and section table */ | |
189 | long CheckSum; /* set to 0 */ | |
190 | short Subsystem; | |
191 | ||
192 | /* type of subsystem exe uses for user interface, | |
193 | possible values: | |
194 | 1 - NATIVE Doesn't require a subsystem | |
195 | 2 - WINDOWS_GUI runs in Windows GUI subsystem | |
196 | 3 - WINDOWS_CUI runs in Windows char sub. (console app) | |
197 | 5 - OS2_CUI runs in OS/2 character subsystem | |
198 | 7 - POSIX_CUI runs in Posix character subsystem */ | |
2f563b51 | 199 | unsigned short DllCharacteristics; /* flags for DLL init */ |
252b5132 RH |
200 | bfd_vma SizeOfStackReserve; /* amount of memory to reserve */ |
201 | bfd_vma SizeOfStackCommit; /* amount of memory initially committed for | |
202 | initial thread's stack, default is 0x1000 */ | |
203 | bfd_vma SizeOfHeapReserve; /* amount of virtual memory to reserve and */ | |
204 | bfd_vma SizeOfHeapCommit; /* commit, don't know what to defaut it to */ | |
205 | long LoaderFlags; /* can probably set to 0 */ | |
206 | long NumberOfRvaAndSizes; /* number of entries in next entry, 16 */ | |
207 | IMAGE_DATA_DIRECTORY DataDirectory[IMAGE_NUMBEROF_DIRECTORY_ENTRIES]; | |
208 | }; | |
209 | ||
210 | /********************** AOUT "OPTIONAL HEADER" **********************/ | |
211 | struct internal_aouthdr | |
212 | { | |
213 | short magic; /* type of file */ | |
214 | short vstamp; /* version stamp */ | |
215 | bfd_vma tsize; /* text size in bytes, padded to FW bdry*/ | |
216 | bfd_vma dsize; /* initialized data " " */ | |
217 | bfd_vma bsize; /* uninitialized data " " */ | |
218 | bfd_vma entry; /* entry pt. */ | |
219 | bfd_vma text_start; /* base of text used for this file */ | |
220 | bfd_vma data_start; /* base of data used for this file */ | |
221 | ||
222 | /* i960 stuff */ | |
223 | unsigned long tagentries; /* number of tag entries to follow */ | |
224 | ||
225 | /* RS/6000 stuff */ | |
3dd657b1 | 226 | bfd_vma o_toc; /* address of TOC */ |
252b5132 RH |
227 | short o_snentry; /* section number for entry point */ |
228 | short o_sntext; /* section number for text */ | |
229 | short o_sndata; /* section number for data */ | |
230 | short o_sntoc; /* section number for toc */ | |
231 | short o_snloader; /* section number for loader section */ | |
232 | short o_snbss; /* section number for bss */ | |
233 | short o_algntext; /* max alignment for text */ | |
234 | short o_algndata; /* max alignment for data */ | |
235 | short o_modtype; /* Module type field, 1R,RE,RO */ | |
236 | short o_cputype; /* Encoded CPU type */ | |
3dd657b1 TR |
237 | bfd_vma o_maxstack; /* max stack size allowed. */ |
238 | bfd_vma o_maxdata; /* max data size allowed. */ | |
252b5132 RH |
239 | |
240 | /* ECOFF stuff */ | |
241 | bfd_vma bss_start; /* Base of bss section. */ | |
242 | bfd_vma gp_value; /* GP register value. */ | |
243 | unsigned long gprmask; /* General registers used. */ | |
244 | unsigned long cprmask[4]; /* Coprocessor registers used. */ | |
245 | unsigned long fprmask; /* Floating pointer registers used. */ | |
246 | ||
247 | /* Apollo stuff */ | |
248 | long o_inlib; /* inlib data */ | |
249 | long o_sri; /* Static Resource Information */ | |
250 | long vid[2]; /* Version id */ | |
251 | ||
252b5132 | 252 | struct internal_extra_pe_aouthdr pe; |
252b5132 RH |
253 | }; |
254 | ||
255 | /********************** STORAGE CLASSES **********************/ | |
256 | ||
257 | /* This used to be defined as -1, but now n_sclass is unsigned. */ | |
258 | #define C_EFCN 0xff /* physical end of function */ | |
259 | #define C_NULL 0 | |
260 | #define C_AUTO 1 /* automatic variable */ | |
261 | #define C_EXT 2 /* external symbol */ | |
262 | #define C_STAT 3 /* static */ | |
263 | #define C_REG 4 /* register variable */ | |
264 | #define C_EXTDEF 5 /* external definition */ | |
265 | #define C_LABEL 6 /* label */ | |
266 | #define C_ULABEL 7 /* undefined label */ | |
267 | #define C_MOS 8 /* member of structure */ | |
268 | #define C_ARG 9 /* function argument */ | |
269 | #define C_STRTAG 10 /* structure tag */ | |
270 | #define C_MOU 11 /* member of union */ | |
271 | #define C_UNTAG 12 /* union tag */ | |
272 | #define C_TPDEF 13 /* type definition */ | |
273 | #define C_USTATIC 14 /* undefined static */ | |
274 | #define C_ENTAG 15 /* enumeration tag */ | |
275 | #define C_MOE 16 /* member of enumeration */ | |
276 | #define C_REGPARM 17 /* register parameter */ | |
277 | #define C_FIELD 18 /* bit field */ | |
278 | #define C_AUTOARG 19 /* auto argument */ | |
279 | #define C_LASTENT 20 /* dummy entry (end of block) */ | |
280 | #define C_BLOCK 100 /* ".bb" or ".eb" */ | |
281 | #define C_FCN 101 /* ".bf" or ".ef" */ | |
282 | #define C_EOS 102 /* end of structure */ | |
283 | #define C_FILE 103 /* file name */ | |
284 | #define C_LINE 104 /* line # reformatted as symbol table entry */ | |
285 | #define C_ALIAS 105 /* duplicate tag */ | |
286 | #define C_HIDDEN 106 /* ext symbol in dmert public lib */ | |
5f190081 | 287 | #define C_WEAKEXT 127 /* weak symbol -- GNU extension. */ |
252b5132 | 288 | |
81635ce4 | 289 | /* New storage classes for TI COFF */ |
252b5132 RH |
290 | #define C_UEXT 19 /* Tentative external definition */ |
291 | #define C_STATLAB 20 /* Static load time label */ | |
292 | #define C_EXTLAB 21 /* External load time label */ | |
293 | #define C_SYSTEM 23 /* System Wide variable */ | |
294 | ||
295 | /* New storage classes for WINDOWS_NT */ | |
296 | #define C_SECTION 104 /* section name */ | |
297 | #define C_NT_WEAK 105 /* weak external */ | |
298 | ||
299 | /* New storage classes for 80960 */ | |
300 | ||
301 | /* C_LEAFPROC is obsolete. Use C_LEAFEXT or C_LEAFSTAT */ | |
302 | #define C_LEAFPROC 108 /* Leaf procedure, "call" via BAL */ | |
303 | ||
304 | #define C_SCALL 107 /* Procedure reachable via system call */ | |
305 | #define C_LEAFEXT 108 /* External leaf */ | |
306 | #define C_LEAFSTAT 113 /* Static leaf */ | |
307 | #define C_OPTVAR 109 /* Optimized variable */ | |
308 | #define C_DEFINE 110 /* Preprocessor #define */ | |
309 | #define C_PRAGMA 111 /* Advice to compiler or linker */ | |
310 | #define C_SEGMENT 112 /* 80960 segment name */ | |
311 | ||
312 | /* Storage classes for m88k */ | |
313 | #define C_SHADOW 107 /* shadow symbol */ | |
314 | #define C_VERSION 108 /* coff version symbol */ | |
315 | ||
316 | /* New storage classes for RS/6000 */ | |
317 | #define C_HIDEXT 107 /* Un-named external symbol */ | |
318 | #define C_BINCL 108 /* Marks beginning of include file */ | |
319 | #define C_EINCL 109 /* Marks ending of include file */ | |
8602d4fe RS |
320 | #define C_AIX_WEAKEXT 111 /* AIX definition of C_WEAKEXT. */ |
321 | ||
53dd76d3 TG |
322 | #define C_NULL_VALUE 0x00de1e00 /* Value for a C_NULL deleted entry. */ |
323 | ||
8602d4fe RS |
324 | #if defined _AIX52 || defined AIX_WEAK_SUPPORT |
325 | #undef C_WEAKEXT | |
326 | #define C_WEAKEXT C_AIX_WEAKEXT | |
327 | #endif | |
252b5132 RH |
328 | |
329 | /* storage classes for stab symbols for RS/6000 */ | |
330 | #define C_GSYM (0x80) | |
331 | #define C_LSYM (0x81) | |
332 | #define C_PSYM (0x82) | |
333 | #define C_RSYM (0x83) | |
334 | #define C_RPSYM (0x84) | |
335 | #define C_STSYM (0x85) | |
336 | #define C_TCSYM (0x86) | |
337 | #define C_BCOMM (0x87) | |
338 | #define C_ECOML (0x88) | |
339 | #define C_ECOMM (0x89) | |
340 | #define C_DECL (0x8c) | |
341 | #define C_ENTRY (0x8d) | |
342 | #define C_FUN (0x8e) | |
343 | #define C_BSTAT (0x8f) | |
344 | #define C_ESTAT (0x90) | |
9d3056cd TG |
345 | #define C_GTLS (0x97) |
346 | #define C_STTLS (0x98) | |
252b5132 RH |
347 | |
348 | /* Storage classes for Thumb symbols */ | |
349 | #define C_THUMBEXT (128 + C_EXT) /* 130 */ | |
350 | #define C_THUMBSTAT (128 + C_STAT) /* 131 */ | |
351 | #define C_THUMBLABEL (128 + C_LABEL) /* 134 */ | |
352 | #define C_THUMBEXTFUNC (C_THUMBEXT + 20) /* 150 */ | |
353 | #define C_THUMBSTATFUNC (C_THUMBSTAT + 20) /* 151 */ | |
354 | ||
8602d4fe RS |
355 | /* True if XCOFF symbols of class CLASS have auxillary csect information. */ |
356 | #define CSECT_SYM_P(CLASS) \ | |
357 | ((CLASS) == C_EXT || (CLASS) == C_AIX_WEAKEXT || (CLASS) == C_HIDEXT) | |
358 | ||
252b5132 RH |
359 | /********************** SECTION HEADER **********************/ |
360 | ||
361 | #define SCNNMLEN (8) | |
362 | ||
363 | struct internal_scnhdr | |
364 | { | |
365 | char s_name[SCNNMLEN]; /* section name */ | |
366 | ||
367 | /* Physical address, aliased s_nlib. | |
368 | In the pei format, this field is the virtual section size | |
369 | (the size of the section after being loaded int memory), | |
370 | NOT the physical address. */ | |
371 | bfd_vma s_paddr; | |
372 | ||
373 | bfd_vma s_vaddr; /* virtual address */ | |
374 | bfd_vma s_size; /* section size */ | |
375 | bfd_vma s_scnptr; /* file ptr to raw data for section */ | |
376 | bfd_vma s_relptr; /* file ptr to relocation */ | |
377 | bfd_vma s_lnnoptr; /* file ptr to line numbers */ | |
378 | unsigned long s_nreloc; /* number of relocation entries */ | |
379 | unsigned long s_nlnno; /* number of line number entries*/ | |
380 | long s_flags; /* flags */ | |
381 | long s_align; /* used on I960 */ | |
b9af77f5 | 382 | unsigned char s_page; /* TI COFF load page */ |
252b5132 RH |
383 | }; |
384 | ||
4f1d9bd8 | 385 | /* s_flags "type". */ |
252b5132 RH |
386 | #define STYP_REG (0x0000) /* "regular": allocated, relocated, loaded */ |
387 | #define STYP_DSECT (0x0001) /* "dummy": relocated only*/ | |
388 | #define STYP_NOLOAD (0x0002) /* "noload": allocated, relocated, not loaded */ | |
389 | #define STYP_GROUP (0x0004) /* "grouped": formed of input sections */ | |
390 | #define STYP_PAD (0x0008) /* "padding": not allocated, not relocated, loaded */ | |
391 | #define STYP_COPY (0x0010) /* "copy": for decision function used by field update; not allocated, not relocated, | |
392 | loaded; reloc & lineno entries processed normally */ | |
393 | #define STYP_TEXT (0x0020) /* section contains text only */ | |
394 | #define S_SHRSEG (0x0020) /* In 3b Update files (output of ogen), sections which appear in SHARED segments of the Pfile | |
395 | will have the S_SHRSEG flag set by ogen, to inform dufr that updating 1 copy of the proc. will | |
396 | update all process invocations. */ | |
397 | #define STYP_DATA (0x0040) /* section contains data only */ | |
398 | #define STYP_BSS (0x0080) /* section contains bss only */ | |
399 | #define S_NEWFCN (0x0100) /* In a minimal file or an update file, a new function (as compared with a replaced function) */ | |
400 | #define STYP_INFO (0x0200) /* comment: not allocated not relocated, not loaded */ | |
401 | #define STYP_OVER (0x0400) /* overlay: relocated not allocated or loaded */ | |
402 | #define STYP_LIB (0x0800) /* for .lib: same as INFO */ | |
403 | #define STYP_MERGE (0x2000) /* merge section -- combines with text, data or bss sections only */ | |
4f1d9bd8 NC |
404 | #define STYP_REVERSE_PAD (0x4000) /* section will be padded with no-op instructions |
405 | wherever padding is necessary and there is a | |
406 | word of contiguous bytes beginning on a word | |
407 | boundary. */ | |
252b5132 RH |
408 | |
409 | #define STYP_LIT 0x8020 /* Literal data (like STYP_TEXT) */ | |
410 | ||
411 | ||
252b5132 RH |
412 | /********************** LINE NUMBERS **********************/ |
413 | ||
414 | /* 1 line number entry for every "breakpointable" source line in a section. | |
4f1d9bd8 NC |
415 | Line numbers are grouped on a per function basis; first entry in a function |
416 | grouping will have l_lnno = 0 and in place of physical address will be the | |
417 | symbol table index of the function name. */ | |
252b5132 RH |
418 | |
419 | struct internal_lineno | |
420 | { | |
421 | union | |
422 | { | |
3dd657b1 TR |
423 | bfd_signed_vma l_symndx; /* function name symbol index, iff l_lnno == 0*/ |
424 | bfd_signed_vma l_paddr; /* (physical) address of line number */ | |
252b5132 RH |
425 | } l_addr; |
426 | unsigned long l_lnno; /* line number */ | |
427 | }; | |
428 | ||
429 | /********************** SYMBOLS **********************/ | |
430 | ||
431 | #define SYMNMLEN 8 /* # characters in a symbol name */ | |
432 | #define FILNMLEN 14 /* # characters in a file name */ | |
433 | #define DIMNUM 4 /* # array dimensions in auxiliary entry */ | |
434 | ||
435 | struct internal_syment | |
436 | { | |
437 | union | |
438 | { | |
d2df793a | 439 | char _n_name[SYMNMLEN]; /* old COFF version */ |
252b5132 RH |
440 | struct |
441 | { | |
d2df793a NC |
442 | bfd_hostptr_t _n_zeroes; /* new == 0 */ |
443 | bfd_hostptr_t _n_offset; /* offset into string table */ | |
252b5132 RH |
444 | } _n_n; |
445 | char *_n_nptr[2]; /* allows for overlaying */ | |
446 | } _n; | |
d2df793a | 447 | bfd_vma n_value; /* value of symbol */ |
252b5132 RH |
448 | short n_scnum; /* section number */ |
449 | unsigned short n_flags; /* copy of flags from filhdr */ | |
450 | unsigned short n_type; /* type and derived type */ | |
451 | unsigned char n_sclass; /* storage class */ | |
452 | unsigned char n_numaux; /* number of aux. entries */ | |
453 | }; | |
454 | ||
455 | #define n_name _n._n_name | |
456 | #define n_zeroes _n._n_n._n_zeroes | |
457 | #define n_offset _n._n_n._n_offset | |
458 | ||
252b5132 | 459 | /* Relocatable symbols have number of the section in which they are defined, |
4f1d9bd8 | 460 | or one of the following: */ |
252b5132 RH |
461 | |
462 | #define N_UNDEF ((short)0) /* undefined symbol */ | |
463 | #define N_ABS ((short)-1) /* value of symbol is absolute */ | |
464 | #define N_DEBUG ((short)-2) /* debugging symbol -- value is meaningless */ | |
465 | #define N_TV ((short)-3) /* indicates symbol needs preload transfer vector */ | |
466 | #define P_TV ((short)-4) /* indicates symbol needs postload transfer vector*/ | |
467 | ||
4f1d9bd8 NC |
468 | /* Type of a symbol, in low N bits of the word. */ |
469 | ||
252b5132 RH |
470 | #define T_NULL 0 |
471 | #define T_VOID 1 /* function argument (only used by compiler) */ | |
472 | #define T_CHAR 2 /* character */ | |
473 | #define T_SHORT 3 /* short integer */ | |
474 | #define T_INT 4 /* integer */ | |
475 | #define T_LONG 5 /* long integer */ | |
476 | #define T_FLOAT 6 /* floating point */ | |
477 | #define T_DOUBLE 7 /* double word */ | |
478 | #define T_STRUCT 8 /* structure */ | |
479 | #define T_UNION 9 /* union */ | |
480 | #define T_ENUM 10 /* enumeration */ | |
481 | #define T_MOE 11 /* member of enumeration*/ | |
482 | #define T_UCHAR 12 /* unsigned character */ | |
483 | #define T_USHORT 13 /* unsigned short */ | |
484 | #define T_UINT 14 /* unsigned integer */ | |
485 | #define T_ULONG 15 /* unsigned long */ | |
486 | #define T_LNGDBL 16 /* long double */ | |
487 | ||
4f1d9bd8 NC |
488 | /* Derived types, in n_type. */ |
489 | ||
252b5132 RH |
490 | #define DT_NON (0) /* no derived type */ |
491 | #define DT_PTR (1) /* pointer */ | |
492 | #define DT_FCN (2) /* function */ | |
493 | #define DT_ARY (3) /* array */ | |
494 | ||
495 | #define BTYPE(x) ((x) & N_BTMASK) | |
25bcc51d | 496 | #define DTYPE(x) (((x) & N_TMASK) >> N_BTSHFT) |
252b5132 RH |
497 | |
498 | #define ISPTR(x) \ | |
499 | (((unsigned long) (x) & N_TMASK) == ((unsigned long) DT_PTR << N_BTSHFT)) | |
500 | #define ISFCN(x) \ | |
501 | (((unsigned long) (x) & N_TMASK) == ((unsigned long) DT_FCN << N_BTSHFT)) | |
502 | #define ISARY(x) \ | |
503 | (((unsigned long) (x) & N_TMASK) == ((unsigned long) DT_ARY << N_BTSHFT)) | |
504 | #define ISTAG(x) \ | |
505 | ((x) == C_STRTAG || (x) == C_UNTAG || (x) == C_ENTAG) | |
506 | #define DECREF(x) \ | |
507 | ((((x) >> N_TSHIFT) & ~ N_BTMASK) | ((x) & N_BTMASK)) | |
508 | ||
509 | union internal_auxent | |
510 | { | |
511 | struct | |
512 | { | |
513 | ||
514 | union | |
515 | { | |
516 | long l; /* str, un, or enum tag indx */ | |
517 | struct coff_ptr_struct *p; | |
518 | } x_tagndx; | |
519 | ||
520 | union | |
521 | { | |
522 | struct | |
523 | { | |
524 | unsigned short x_lnno; /* declaration line number */ | |
525 | unsigned short x_size; /* str/union/array size */ | |
526 | } x_lnsz; | |
527 | long x_fsize; /* size of function */ | |
528 | } x_misc; | |
529 | ||
530 | union | |
531 | { | |
532 | struct | |
533 | { /* if ISFCN, tag, or .bb */ | |
3dd657b1 | 534 | bfd_signed_vma x_lnnoptr; /* ptr to fcn line # */ |
252b5132 RH |
535 | union |
536 | { /* entry ndx past block end */ | |
537 | long l; | |
538 | struct coff_ptr_struct *p; | |
539 | } x_endndx; | |
540 | } x_fcn; | |
541 | ||
542 | struct | |
543 | { /* if ISARY, up to 4 dimen. */ | |
544 | unsigned short x_dimen[DIMNUM]; | |
545 | } x_ary; | |
546 | } x_fcnary; | |
547 | ||
548 | unsigned short x_tvndx; /* tv index */ | |
549 | } x_sym; | |
550 | ||
551 | union | |
552 | { | |
553 | char x_fname[FILNMLEN]; | |
554 | struct | |
555 | { | |
556 | long x_zeroes; | |
557 | long x_offset; | |
558 | } x_n; | |
559 | } x_file; | |
560 | ||
561 | struct | |
562 | { | |
563 | long x_scnlen; /* section length */ | |
564 | unsigned short x_nreloc; /* # relocation entries */ | |
565 | unsigned short x_nlinno; /* # line numbers */ | |
566 | unsigned long x_checksum; /* section COMDAT checksum for PE */ | |
567 | unsigned short x_associated; /* COMDAT associated section index for PE */ | |
568 | unsigned char x_comdat; /* COMDAT selection number for PE */ | |
569 | } x_scn; | |
570 | ||
571 | struct | |
572 | { | |
573 | long x_tvfill; /* tv fill value */ | |
574 | unsigned short x_tvlen; /* length of .tv */ | |
575 | unsigned short x_tvran[2]; /* tv range */ | |
576 | } x_tv; /* info about .tv section (in auxent of symbol .tv)) */ | |
577 | ||
578 | /****************************************** | |
579 | * RS/6000-specific auxent - last auxent for every external symbol | |
580 | ******************************************/ | |
581 | struct | |
582 | { | |
583 | union | |
584 | { /* csect length or enclosing csect */ | |
3dd657b1 | 585 | bfd_signed_vma l; |
252b5132 RH |
586 | struct coff_ptr_struct *p; |
587 | } x_scnlen; | |
588 | long x_parmhash; /* parm type hash index */ | |
589 | unsigned short x_snhash; /* sect num with parm hash */ | |
590 | unsigned char x_smtyp; /* symbol align and type */ | |
591 | /* 0-4 - Log 2 of alignment */ | |
592 | /* 5-7 - symbol type */ | |
593 | unsigned char x_smclas; /* storage mapping class */ | |
594 | long x_stab; /* dbx stab info index */ | |
595 | unsigned short x_snstab; /* sect num with dbx stab */ | |
596 | } x_csect; /* csect definition information */ | |
597 | ||
598 | /* x_smtyp values: */ | |
599 | ||
600 | #define SMTYP_ALIGN(x) ((x) >> 3) /* log2 of alignment */ | |
601 | #define SMTYP_SMTYP(x) ((x) & 0x7) /* symbol type */ | |
602 | /* Symbol type values: */ | |
603 | #define XTY_ER 0 /* External reference */ | |
604 | #define XTY_SD 1 /* Csect definition */ | |
605 | #define XTY_LD 2 /* Label definition */ | |
606 | #define XTY_CM 3 /* .BSS */ | |
607 | #define XTY_EM 4 /* Error message */ | |
608 | #define XTY_US 5 /* "Reserved for internal use" */ | |
609 | ||
610 | /* x_smclas values: */ | |
611 | ||
612 | #define XMC_PR 0 /* Read-only program code */ | |
613 | #define XMC_RO 1 /* Read-only constant */ | |
614 | #define XMC_DB 2 /* Read-only debug dictionary table */ | |
615 | #define XMC_TC 3 /* Read-write general TOC entry */ | |
616 | #define XMC_UA 4 /* Read-write unclassified */ | |
617 | #define XMC_RW 5 /* Read-write data */ | |
618 | #define XMC_GL 6 /* Read-only global linkage */ | |
619 | #define XMC_XO 7 /* Read-only extended operation */ | |
620 | #define XMC_SV 8 /* Read-only supervisor call */ | |
621 | #define XMC_BS 9 /* Read-write BSS */ | |
622 | #define XMC_DS 10 /* Read-write descriptor csect */ | |
623 | #define XMC_UC 11 /* Read-write unnamed Fortran common */ | |
624 | #define XMC_TI 12 /* Read-only traceback index csect */ | |
625 | #define XMC_TB 13 /* Read-only traceback table csect */ | |
626 | /* 14 ??? */ | |
627 | #define XMC_TC0 15 /* Read-write TOC anchor */ | |
628 | #define XMC_TD 16 /* Read-write data in TOC */ | |
629 | ||
630 | /****************************************** | |
631 | * I960-specific *2nd* aux. entry formats | |
632 | ******************************************/ | |
633 | struct | |
634 | { | |
635 | /* This is a very old typo that keeps getting propagated. */ | |
636 | #define x_stdindx x_stindx | |
637 | long x_stindx; /* sys. table entry */ | |
638 | } x_sc; /* system call entry */ | |
639 | ||
640 | struct | |
641 | { | |
642 | unsigned long x_balntry; /* BAL entry point */ | |
643 | } x_bal; /* BAL-callable function */ | |
644 | ||
645 | struct | |
646 | { | |
647 | unsigned long x_timestamp; /* time stamp */ | |
648 | char x_idstring[20]; /* producer identity string */ | |
649 | } x_ident; /* Producer ident info */ | |
650 | ||
651 | }; | |
652 | ||
653 | /********************** RELOCATION DIRECTIVES **********************/ | |
654 | ||
655 | struct internal_reloc | |
656 | { | |
657 | bfd_vma r_vaddr; /* Virtual address of reference */ | |
658 | long r_symndx; /* Index into symbol table */ | |
659 | unsigned short r_type; /* Relocation type */ | |
660 | unsigned char r_size; /* Used by RS/6000 and ECOFF */ | |
661 | unsigned char r_extern; /* Used by ECOFF */ | |
662 | unsigned long r_offset; /* Used by Alpha ECOFF, SPARC, others */ | |
663 | }; | |
664 | ||
99ad8390 NC |
665 | /* X86-64 relocations. */ |
666 | #define R_AMD64_ABS 0 /* Reference is absolute, no relocation is necessary. */ | |
667 | #define R_AMD64_DIR64 1 /* 64-bit address (VA). */ | |
668 | #define R_AMD64_DIR32 2 /* 32-bit address (VA) R_DIR32. */ | |
669 | #define R_AMD64_IMAGEBASE 3 /* 32-bit absolute ref w/o base R_IMAGEBASE. */ | |
670 | #define R_AMD64_PCRLONG 4 /* 32-bit relative address from byte following reloc R_PCRLONG. */ | |
671 | #define R_AMD64_PCRLONG_1 5 /* 32-bit relative address from byte distance 1 from reloc. */ | |
672 | #define R_AMD64_PCRLONG_2 6 /* 32-bit relative address from byte distance 2 from reloc. */ | |
673 | #define R_AMD64_PCRLONG_3 7 /* 32-bit relative address from byte distance 3 from reloc. */ | |
674 | #define R_AMD64_PCRLONG_4 8 /* 32-bit relative address from byte distance 4 from reloc. */ | |
675 | #define R_AMD64_PCRLONG_5 9 /* 32-bit relative address from byte distance 5 from reloc. */ | |
676 | #define R_AMD64_SECTION 10 /* Section index. */ | |
677 | #define R_AMD64_SECREL 11 /* 32 bit offset from base of section containing target R_SECREL. */ | |
678 | #define R_AMD64_SECREL7 12 /* 7 bit unsigned offset from base of section containing target. */ | |
679 | #define R_AMD64_TOKEN 13 /* 32 bit metadata token. */ | |
680 | #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. */ | |
681 | ||
682 | /* i386 Relocations. */ | |
683 | ||
26642729 | 684 | #define R_DIR16 1 |
026df7c5 | 685 | #define R_REL24 5 |
26642729 AM |
686 | #define R_DIR32 6 |
687 | #define R_IMAGEBASE 7 | |
6482c264 | 688 | #define R_SECREL32 11 |
26642729 AM |
689 | #define R_RELBYTE 15 |
690 | #define R_RELWORD 16 | |
691 | #define R_RELLONG 17 | |
692 | #define R_PCRBYTE 18 | |
693 | #define R_PCRWORD 19 | |
694 | #define R_PCRLONG 20 | |
026df7c5 | 695 | #define R_PCR24 21 |
26642729 AM |
696 | #define R_IPRSHORT 24 |
697 | #define R_IPRLONG 26 | |
698 | #define R_GETSEG 29 | |
699 | #define R_GETPA 30 | |
700 | #define R_TAGWORD 31 | |
701 | #define R_JUMPTARG 32 /* strange 29k 00xx00xx reloc */ | |
026df7c5 NC |
702 | #define R_PARTLS16 32 |
703 | #define R_PARTMS8 33 | |
26642729 AM |
704 | |
705 | #define R_PCR16L 128 | |
706 | #define R_PCR26L 129 | |
707 | #define R_VRT16 130 | |
708 | #define R_HVRT16 131 | |
709 | #define R_LVRT16 132 | |
710 | #define R_VRT32 133 | |
252b5132 RH |
711 | |
712 | ||
713 | /* This reloc identifies mov.b instructions with a 16bit absolute | |
714 | address. The linker tries to turn insns with this reloc into | |
715 | an absolute 8-bit address. */ | |
716 | #define R_MOV16B1 0x41 | |
717 | ||
718 | /* This reloc identifies mov.b instructions which had a 16bit | |
719 | absolute address which have been shortened into a 8-bit | |
720 | absolute address. */ | |
721 | #define R_MOV16B2 0x42 | |
722 | ||
723 | /* This reloc identifies jmp insns with a 16bit target address; | |
724 | the linker tries to turn these insns into bra insns with | |
725 | an 8bit pc-relative target. */ | |
726 | #define R_JMP1 0x43 | |
727 | ||
728 | /* This reloc identifies a bra with an 8-bit pc-relative | |
d586919e | 729 | target that was formerly a jmp insn with a 16bit target. */ |
252b5132 RH |
730 | #define R_JMP2 0x44 |
731 | ||
732 | /* ??? */ | |
733 | #define R_RELLONG_NEG 0x45 | |
734 | ||
735 | /* This reloc identifies jmp insns with a 24bit target address; | |
736 | the linker tries to turn these insns into bra insns with | |
737 | an 8bit pc-relative target. */ | |
738 | #define R_JMPL1 0x46 | |
739 | ||
740 | /* This reloc identifies a bra with an 8-bit pc-relative | |
d586919e | 741 | target that was formerly a jmp insn with a 24bit target. */ |
252b5132 RH |
742 | #define R_JMPL2 0x47 |
743 | ||
744 | /* This reloc identifies mov.b instructions with a 24bit absolute | |
745 | address. The linker tries to turn insns with this reloc into | |
746 | an absolute 8-bit address. */ | |
747 | ||
748 | #define R_MOV24B1 0x48 | |
749 | ||
750 | /* This reloc identifies mov.b instructions which had a 24bit | |
751 | absolute address which have been shortened into a 8-bit | |
752 | absolute address. */ | |
753 | #define R_MOV24B2 0x49 | |
754 | ||
755 | /* An h8300 memory indirect jump/call. Forces the address of the jump/call | |
756 | target into the function vector (in page zero), and the address of the | |
757 | vector entry to be placed in the jump/call instruction. */ | |
758 | #define R_MEM_INDIRECT 0x4a | |
759 | ||
760 | /* This reloc identifies a 16bit pc-relative branch target which was | |
761 | shortened into an 8bit pc-relative branch target. */ | |
762 | #define R_PCRWORD_B 0x4b | |
763 | ||
764 | /* This reloc identifies mov.[wl] instructions with a 32/24 bit | |
765 | absolute address; the linker may turn this into a mov.[wl] | |
766 | insn with a 16bit absolute address. */ | |
767 | #define R_MOVL1 0x4c | |
768 | ||
d586919e | 769 | /* This reloc identifies mov.[wl] insns which formerly had |
310905c5 | 770 | a 32/24bit absolute address and now have a 16bit absolute address. */ |
252b5132 RH |
771 | #define R_MOVL2 0x4d |
772 | ||
773 | /* This reloc identifies a bCC:8 which will have it's condition | |
774 | inverted and its target redirected to the target of the branch | |
775 | in the following insn. */ | |
776 | #define R_BCC_INV 0x4e | |
777 | ||
778 | /* This reloc identifies a jmp instruction that has been deleted. */ | |
779 | #define R_JMP_DEL 0x4f | |
780 | ||
781 | /* Z8k modes */ | |
782 | #define R_IMM16 0x01 /* 16 bit abs */ | |
783 | #define R_JR 0x02 /* jr 8 bit disp */ | |
784 | #define R_IMM4L 0x23 /* low nibble */ | |
785 | #define R_IMM8 0x22 /* 8 bit abs */ | |
786 | #define R_IMM32 R_RELLONG /* 32 bit abs */ | |
787 | #define R_CALL R_DA /* Absolute address which could be a callr */ | |
788 | #define R_JP R_DA /* Absolute address which could be a jp */ | |
789 | #define R_REL16 0x04 /* 16 bit PC rel */ | |
790 | #define R_CALLR 0x05 /* callr 12 bit disp */ | |
791 | #define R_SEG 0x10 /* set if in segmented mode */ | |
792 | #define R_IMM4H 0x24 /* high nibble */ | |
793 | #define R_DISP7 0x25 /* djnz displacement */ | |
794 | ||
3c9b82ba NC |
795 | /* Z80 modes */ |
796 | #define R_OFF8 0x32 /* 8 bit signed abs, for (i[xy]+d) */ | |
134dcee5 | 797 | #define R_IMM24 0x33 /* 24 bit abs */ |
3c9b82ba NC |
798 | /* R_JR, R_IMM8, R_IMM16, R_IMM32 - as for Z8k */ |
799 | ||
252b5132 RH |
800 | /* H8500 modes */ |
801 | ||
802 | #define R_H8500_IMM8 1 /* 8 bit immediate */ | |
803 | #define R_H8500_IMM16 2 /* 16 bit immediate */ | |
804 | #define R_H8500_PCREL8 3 /* 8 bit pcrel */ | |
805 | #define R_H8500_PCREL16 4 /* 16 bit pcrel */ | |
806 | #define R_H8500_HIGH8 5 /* high 8 bits of 24 bit address */ | |
807 | #define R_H8500_LOW16 7 /* low 16 bits of 24 bit immediate */ | |
808 | #define R_H8500_IMM24 6 /* 24 bit immediate */ | |
809 | #define R_H8500_IMM32 8 /* 32 bit immediate */ | |
810 | #define R_H8500_HIGH16 9 /* high 16 bits of 32 bit immediate */ | |
811 | ||
812 | /* W65 modes */ | |
813 | ||
814 | #define R_W65_ABS8 1 /* addr & 0xff */ | |
815 | #define R_W65_ABS16 2 /* addr & 0xffff */ | |
816 | #define R_W65_ABS24 3 /* addr & 0xffffff */ | |
817 | ||
818 | #define R_W65_ABS8S8 4 /* (addr >> 8) & 0xff */ | |
819 | #define R_W65_ABS8S16 5 /* (addr >> 16) & 0xff */ | |
820 | ||
821 | #define R_W65_ABS16S8 6 /* (addr >> 8) & 0ffff */ | |
822 | #define R_W65_ABS16S16 7 /* (addr >> 16) & 0ffff */ | |
823 | ||
824 | #define R_W65_PCR8 8 | |
825 | #define R_W65_PCR16 9 | |
826 | ||
827 | #define R_W65_DP 10 /* direct page 8 bits only */ | |
828 | ||
829 | #endif /* GNU_COFF_INTERNAL_H */ |