1 #ifndef _A_OUT_H_ 2 #define _A_OUT_H_ 3 4 #ifdef __cplusplus 5 extern "C" { 6 #endif 7 #define COFF_IMAGE_WITH_PE 8 #define COFF_LONG_SECTION_NAMES 9 10 /*** coff information for Intel 386/486. */ 11 12 13 /********************** FILE HEADER **********************/ 14 15 struct external_filehdr { 16 short f_magic; /* magic number */ 17 short f_nscns; /* number of sections */ 18 unsigned long f_timdat; /* time & date stamp */ 19 unsigned long f_symptr; /* file pointer to symtab */ 20 unsigned long f_nsyms; /* number of symtab entries */ 21 short f_opthdr; /* sizeof(optional hdr) */ 22 short f_flags; /* flags */ 23 }; 24 25 /* Bits for f_flags: 26 * F_RELFLG relocation info stripped from file 27 * F_EXEC file is executable (no unresolved external references) 28 * F_LNNO line numbers stripped from file 29 * F_LSYMS local symbols stripped from file 30 * F_AR32WR file has byte ordering of an AR32WR machine (e.g. vax) 31 */ 32 33 #define F_RELFLG (0x0001) 34 #define F_EXEC (0x0002) 35 #define F_LNNO (0x0004) 36 #define F_LSYMS (0x0008) 37 38 39 40 #define I386MAGIC 0x14c 41 #define I386PTXMAGIC 0x154 42 #define I386AIXMAGIC 0x175 43 44 /* This is Lynx's all-platform magic number for executables. */ 45 46 #define LYNXCOFFMAGIC 0415 47 48 #define I386BADMAG(x) (((x).f_magic != I386MAGIC) \ 49 && (x).f_magic != I386AIXMAGIC \ 50 && (x).f_magic != I386PTXMAGIC \ 51 && (x).f_magic != LYNXCOFFMAGIC) 52 53 #define FILHDR struct external_filehdr 54 #define FILHSZ 20 55 56 57 /********************** AOUT "OPTIONAL HEADER"= 58 **********************/ 59 60 61 typedef struct 62 { 63 unsigned short magic; /* type of file */ 64 unsigned short vstamp; /* version stamp */ 65 unsigned long tsize; /* text size in bytes, padded to FW bdry*/ 66 unsigned long dsize; /* initialized data " " */ 67 unsigned long bsize; /* uninitialized data " " */ 68 unsigned long entry; /* entry pt. */ 69 unsigned long text_start; /* base of text used for this file */ 70 unsigned long data_start; /* base of data used for this file= 71 */ 72 } 73 AOUTHDR; 74 75 #define AOUTSZ 28 76 #define AOUTHDRSZ 28 77 78 #define OMAGIC 0404 /* object files, eg as output */ 79 #define ZMAGIC 0413 /* demand load format, eg normal ld output */ 80 #define STMAGIC 0401 /* target shlib */ 81 #define SHMAGIC 0443 /* host shlib */ 82 83 84 /* define some NT default values */ 85 /* #define NT_IMAGE_BASE 0x400000 moved to internal.h */ 86 #define NT_SECTION_ALIGNMENT 0x1000 87 #define NT_FILE_ALIGNMENT 0x200 88 #define NT_DEF_RESERVE 0x100000 89 #define NT_DEF_COMMIT 0x1000 90 91 /********************** SECTION HEADER **********************/ 92 93 94 struct external_scnhdr { 95 char s_name[8]; /* section name */ 96 unsigned long s_paddr; /* physical address, offset 97 of last addr in scn */ 98 unsigned long s_vaddr; /* virtual address */ 99 unsigned long s_size; /* section size */ 100 unsigned long s_scnptr; /* file ptr to raw data for section */ 101 unsigned long s_relptr; /* file ptr to relocation */ 102 unsigned long s_lnnoptr; /* file ptr to line numbers */ 103 unsigned short s_nreloc; /* number of relocation entries */ 104 unsigned short s_nlnno; /* number of line number entries*/ 105 unsigned long s_flags; /* flags */ 106 }; 107 108 #define SCNHDR struct external_scnhdr 109 #define SCNHSZ 40 110 111 /* 112 * names of "special" sections 113 */ 114 #define _TEXT ".text" 115 #define _DATA ".data" 116 #define _BSS ".bss" 117 #define _COMMENT ".comment" 118 #define _LIB ".lib" 119 120 /********************** LINE NUMBERS **********************/ 121 122 /* 1 line number entry for every "breakpointable" source line in a section. 123 * Line numbers are grouped on a per function basis; first entry in a function 124 * grouping will have l_lnno = 0 and in place of physical address will be the 125 * symbol table index of the function name. 126 */ 127 struct external_lineno { 128 union { 129 unsigned long l_symndx; /* function name symbol index, iff l_lnno 0 */ 130 unsigned long l_paddr; /* (physical) address of line number */ 131 } l_addr; 132 unsigned short l_lnno; /* line number */ 133 }; 134 135 #define LINENO struct external_lineno 136 #define LINESZ 6 137 138 /********************** SYMBOLS **********************/ 139 140 #define E_SYMNMLEN 8 /* # characters in a symbol name */ 141 #define E_FILNMLEN 14 /* # characters in a file name */ 142 #define E_DIMNUM 4 /* # array dimensions in auxiliary entry */ 143 144 struct external_syment 145 { 146 union { 147 char e_name[E_SYMNMLEN]; 148 struct { 149 unsigned long e_zeroes; 150 unsigned long e_offset; 151 } e; 152 } e; 153 unsigned long e_value; 154 unsigned short e_scnum; 155 unsigned short e_type; 156 char e_sclass[1]; 157 char e_numaux[1]; 158 }; 159 160 #define N_BTMASK (0xf) 161 #define N_TMASK (0x30) 162 #define N_BTSHFT (4) 163 #define N_TSHIFT (2) 164 165 union external_auxent { 166 struct { 167 unsigned long x_tagndx; /* str, un, or enum tag indx */ 168 union { 169 struct { 170 unsigned short x_lnno; /* declaration line number */ 171 unsigned short x_size; /* str/union/array size */ 172 } x_lnsz; 173 unsigned long x_fsize; /* size of function */ 174 } x_misc; 175 union { 176 struct { /* if ISFCN, tag, or .bb */ 177 unsigned long x_lnnoptr;/* ptr to fcn line # */ 178 unsigned long x_endndx; /* entry ndx past block end */ 179 } x_fcn; 180 struct { /* if ISARY, up to 4 dimen. */ 181 char x_dimen[E_DIMNUM][2]; 182 } x_ary; 183 } x_fcnary; 184 unsigned short x_tvndx; /* tv index */ 185 } x_sym; 186 187 union { 188 char x_fname[E_FILNMLEN]; 189 struct { 190 unsigned long x_zeroes; 191 unsigned long x_offset; 192 } x_n; 193 } x_file; 194 195 struct { 196 unsigned long x_scnlen; /* section length */ 197 unsigned short x_nreloc; /* # relocation entries */ 198 unsigned short x_nlinno; /* # line numbers */ 199 unsigned long x_checksum; /* section COMDAT checksum */ 200 unsigned short x_associated;/* COMDAT associated section index */ 201 char x_comdat[1]; /* COMDAT selection number */ 202 } x_scn; 203 204 struct { 205 unsigned long x_tvfill; /* tv fill value */ 206 unsigned short x_tvlen; /* length of .tv */ 207 char x_tvran[2][2]; /* tv range */ 208 } x_tv; /* info about .tv section (in auxent of symbol .tv)) */ 209 210 }; 211 212 #define SYMENT struct external_syment 213 #define SYMESZ 18 214 #define AUXENT union external_auxent 215 #define AUXESZ 18 216 217 #define _ETEXT "etext" 218 219 /********************** RELOCATION DIRECTIVES **********************/ 220 221 struct external_reloc { 222 char r_vaddr[4]; 223 char r_symndx[4]; 224 char r_type[2]; 225 }; 226 227 #define RELOC struct external_reloc 228 #define RELSZ 10 229 230 /* end of coff/i386.h */ 231 232 /* PE COFF header information */ 233 234 #ifndef _PE_H 235 #define _PE_H 236 237 /* NT specific file attributes */ 238 #define IMAGE_FILE_RELOCS_STRIPPED 0x0001 239 #define IMAGE_FILE_EXECUTABLE_IMAGE 0x0002 240 #define IMAGE_FILE_LINE_NUMS_STRIPPED 0x0004 241 #define IMAGE_FILE_LOCAL_SYMS_STRIPPED 0x0008 242 #define IMAGE_FILE_BYTES_REVERSED_LO 0x0080 243 #define IMAGE_FILE_32BIT_MACHINE 0x0100 244 #define IMAGE_FILE_DEBUG_STRIPPED 0x0200 245 #define IMAGE_FILE_SYSTEM 0x1000 246 #define IMAGE_FILE_DLL 0x2000 247 #define IMAGE_FILE_BYTES_REVERSED_HI 0x8000 248 249 /* additional flags to be set for section headers to allow the NT loader to 250 read and write to the section data (to replace the addresses of data in 251 dlls for one thing); also to execute the section in .text's case= 252 */ 253 #define IMAGE_SCN_MEM_DISCARDABLE 0x02000000 254 #define IMAGE_SCN_MEM_EXECUTE 0x20000000 255 #define IMAGE_SCN_MEM_READ 0x40000000 256 #define IMAGE_SCN_MEM_WRITE 0x80000000 257 258 /* 259 * Section characteristics added for ppc-nt 260 */ 261 262 #define IMAGE_SCN_TYPE_NO_PAD 0x00000008 /* Reserved. */ 263 264 #define IMAGE_SCN_CNT_CODE 0x00000020 /* Section contains code. */ 265 #define IMAGE_SCN_CNT_INITIALIZED_DATA 0x00000040 /* Section contains initialized data. */ 266 #define IMAGE_SCN_CNT_UNINITIALIZED_DATA 0x00000080 /* Section contains uninitialized data. */ 267 268 #define IMAGE_SCN_LNK_OTHER 0x00000100 /* Reserved. */ 269 #define IMAGE_SCN_LNK_INFO 0x00000200 /* Section contains comments or some other type of information. */ 270 #define IMAGE_SCN_LNK_REMOVE 0x00000800 /* Section contents will not become part of image. */ 271 #define IMAGE_SCN_LNK_COMDAT 0x00001000 /* Section contents comdat. */ 272 273 #define IMAGE_SCN_MEM_FARDATA 0x00008000 274 275 #define IMAGE_SCN_MEM_PURGEABLE 0x00020000 276 #define IMAGE_SCN_MEM_16BIT 0x00020000 277 #define IMAGE_SCN_MEM_LOCKED 0x00040000 278 #define IMAGE_SCN_MEM_PRELOAD 0x00080000 279 280 #define IMAGE_SCN_ALIGN_1BYTES 0x00100000 281 #define IMAGE_SCN_ALIGN_2BYTES 0x00200000 282 #define IMAGE_SCN_ALIGN_4BYTES 0x00300000 283 #define IMAGE_SCN_ALIGN_8BYTES 0x00400000 284 #define IMAGE_SCN_ALIGN_16BYTES 0x00500000 /* Default alignment if no others are specified. */ 285 #define IMAGE_SCN_ALIGN_32BYTES 0x00600000 286 #define IMAGE_SCN_ALIGN_64BYTES 0x00700000 287 288 289 #define IMAGE_SCN_LNK_NRELOC_OVFL 0x01000000 /* Section contains extended relocations. */ 290 #define IMAGE_SCN_MEM_NOT_CACHED 0x04000000 /* Section is not cachable. */ 291 #define IMAGE_SCN_MEM_NOT_PAGED 0x08000000 /* Section is not pageable. */ 292 #define IMAGE_SCN_MEM_SHARED 0x10000000 /* Section is shareable. */ 293 294 /* COMDAT selection codes. */ 295 296 #define IMAGE_COMDAT_SELECT_NODUPLICATES (1) /* Warn if duplicates. */ 297 #define IMAGE_COMDAT_SELECT_ANY (2) /* No warning. */ 298 #define IMAGE_COMDAT_SELECT_SAME_SIZE (3) /* Warn if different size. */ 299 #define IMAGE_COMDAT_SELECT_EXACT_MATCH (4) /* Warn if different. */ 300 #define IMAGE_COMDAT_SELECT_ASSOCIATIVE (5) /* Base on other section. */ 301 302 /* Magic values that are true for all dos/nt implementations */ 303 #define DOSMAGIC 0x5a4d 304 #define NT_SIGNATURE 0x00004550 305 306 /* NT allows long filenames, we want to accommodate this. This may break 307 some of the bfd functions */ 308 #undef FILNMLEN 309 #define FILNMLEN 18 /* # characters in a file name */ 310 311 312 #ifdef COFF_IMAGE_WITH_PE 313 /* The filehdr is only weired in images */ 314 315 #undef FILHDR 316 struct external_PE_filehdr 317 { 318 /* DOS header fields */ 319 unsigned short e_magic; /* Magic number, 0x5a4d */ 320 unsigned short e_cblp; /* Bytes on last page of file, 0x90 */ 321 unsigned short e_cp; /* Pages in file, 0x3 */ 322 unsigned short e_crlc; /* Relocations, 0x0 */ 323 unsigned short e_cparhdr; /* Size of header in paragraphs, 0x4 */ 324 unsigned short e_minalloc; /* Minimum extra paragraphs needed, 0x0 */ 325 unsigned short e_maxalloc; /* Maximum extra paragraphs needed, 0xFFFF */ 326 unsigned short e_ss; /* Initial (relative) SS value, 0x0 */ 327 unsigned short e_sp; /* Initial SP value, 0xb8 */ 328 unsigned short e_csum; /* Checksum, 0x0 */ 329 unsigned short e_ip; /* Initial IP value, 0x0 */ 330 unsigned short e_cs; /* Initial (relative) CS value, 0x0 */ 331 unsigned short e_lfarlc; /* File address of relocation table, 0x40 */ 332 unsigned short e_ovno; /* Overlay number, 0x0 */ 333 char e_res[4][2]; /* Reserved words, all 0x0 */ 334 unsigned short e_oemid; /* OEM identifier (for e_oeminfo), 0x0 */ 335 unsigned short e_oeminfo; /* OEM information; e_oemid specific, 0x0 */ 336 char e_res2[10][2]; /* Reserved words, all 0x0 */ 337 unsigned long e_lfanew; /* File address of new exe header, 0x80 */ 338 char dos_message[16][4]; /* other stuff, always follow DOS header */ 339 unsigned int nt_signature; /* required NT signature, 0x4550 */ 340 341 /* From standard header */ 342 343 unsigned short f_magic; /* magic number */ 344 unsigned short f_nscns; /* number of sections */ 345 unsigned long f_timdat; /* time & date stamp */ 346 unsigned long f_symptr; /* file pointer to symtab */ 347 unsigned long f_nsyms; /* number of symtab entries */ 348 unsigned short f_opthdr; /* sizeof(optional hdr) */ 349 unsigned short f_flags; /* flags */ 350 }; 351 352 353 #define FILHDR struct external_PE_filehdr 354 #undef FILHSZ 355 #define FILHSZ 152 356 357 #endif 358 359 typedef struct 360 { 361 unsigned short magic; /* type of file */ 362 unsigned short vstamp; /* version stamp */ 363 unsigned long tsize; /* text size in bytes, padded to FW bdry*/ 364 unsigned long dsize; /* initialized data " " */ 365 unsigned long bsize; /* uninitialized data " " */ 366 unsigned long entry; /* entry pt. */ 367 unsigned long text_start; /* base of text used for this file */ 368 unsigned long data_start; /* base of all data used for this file */ 369 370 /* NT extra fields; see internal.h for descriptions */ 371 unsigned long ImageBase; 372 unsigned long SectionAlignment; 373 unsigned long FileAlignment; 374 unsigned short MajorOperatingSystemVersion; 375 unsigned short MinorOperatingSystemVersion; 376 unsigned short MajorImageVersion; 377 unsigned short MinorImageVersion; 378 unsigned short MajorSubsystemVersion; 379 unsigned short MinorSubsystemVersion; 380 char Reserved1[4]; 381 unsigned long SizeOfImage; 382 unsigned long SizeOfHeaders; 383 unsigned long CheckSum; 384 unsigned short Subsystem; 385 unsigned short DllCharacteristics; 386 unsigned long SizeOfStackReserve; 387 unsigned long SizeOfStackCommit; 388 unsigned long SizeOfHeapReserve; 389 unsigned long SizeOfHeapCommit; 390 unsigned long LoaderFlags; 391 unsigned long NumberOfRvaAndSizes; 392 /* IMAGE_DATA_DIRECTORY DataDirectory[IMAGE_NUMBEROF_DIRECTORY_ENTRIES]; */ 393 char DataDirectory[16][2][4]; /* 16 entries, 2 elements/entry, 4 chars */ 394 395 } PEAOUTHDR; 396 397 398 #undef AOUTSZ 399 #define AOUTSZ (AOUTHDRSZ + 196) 400 401 #undef E_FILNMLEN 402 #define E_FILNMLEN 18 /* # characters in a file name */ 403 #endif 404 405 /* end of coff/pe.h */ 406 407 #define DT_NON (0) /* no derived type */ 408 #define DT_PTR (1) /* pointer */ 409 #define DT_FCN (2) /* function */ 410 #define DT_ARY (3) /* array */ 411 412 #define ISPTR(x) (((x) & N_TMASK) == (DT_PTR << N_BTSHFT)) 413 #define ISFCN(x) (((x) & N_TMASK) == (DT_FCN << N_BTSHFT)) 414 #define ISARY(x) (((x) & N_TMASK) == (DT_ARY << N_BTSHFT)) 415 416 #ifdef __cplusplus 417 } 418 #endif 419 420 #endif /* _A_OUT_H_ */ |