1/* Main header file for the bfd library -- portable access to object files. 2 3 Copyright 1990, 1991, 1992, 1993, 1994, 1995, 1996, 1997, 1998, 4 1999, 2000, 2001, 2002, 2003, 2004, 2005, 2006 5 Free Software Foundation, Inc. 6 7 Contributed by Cygnus Support. 8 9 This file is part of BFD, the Binary File Descriptor library. 10 11 This program is free software; you can redistribute it and/or modify 12 it under the terms of the GNU General Public License as published by 13 the Free Software Foundation; either version 2 of the License, or 14 (at your option) any later version. 15 16 This program is distributed in the hope that it will be useful, 17 but WITHOUT ANY WARRANTY; without even the implied warranty of 18 MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the 19 GNU General Public License for more details. 20 21 You should have received a copy of the GNU General Public License 22 along with this program; if not, write to the Free Software 23 Foundation, Inc., 51 Franklin Street - Fifth Floor, Boston, MA 02110-1301, USA. */ 24 25#ifndef __BFD_H_SEEN__ 26#define __BFD_H_SEEN__ 27 28#ifdef __cplusplus 29extern "C" { 30#endif 31 32#include "ansidecl.h" 33#include "symcat.h" 34#if defined (__STDC__) || defined (ALMOST_STDC) || defined (HAVE_STRINGIZE) 35#ifndef SABER 36/* This hack is to avoid a problem with some strict ANSI C preprocessors. 37 The problem is, "32_" is not a valid preprocessing token, and we don't 38 want extra underscores (e.g., "nlm_32_"). The XCONCAT2 macro will 39 cause the inner CONCAT2 macros to be evaluated first, producing 40 still-valid pp-tokens. Then the final concatenation can be done. */ 41#undef CONCAT4 42#define CONCAT4(a,b,c,d) XCONCAT2(CONCAT2(a,b),CONCAT2(c,d)) 43#endif 44#endif 45 46/* This is a utility macro to handle the situation where the code 47 wants to place a constant string into the code, followed by a 48 comma and then the length of the string. Doing this by hand 49 is error prone, so using this macro is safer. The macro will 50 also safely handle the case where a NULL is passed as the arg. */ 51#define STRING_COMMA_LEN(STR) (STR), ((STR) ? sizeof (STR) - 1 : 0) 52/* Unfortunately it is not possible to use the STRING_COMMA_LEN macro 53 to create the arguments to another macro, since the preprocessor 54 will mis-count the number of arguments to the outer macro (by not 55 evaluating STRING_COMMA_LEN and so missing the comma). This is a 56 problem for example when trying to use STRING_COMMA_LEN to build 57 the arguments to the strncmp() macro. Hence this alternative 58 definition of strncmp is provided here. 59 60 Note - these macros do NOT work if STR2 is not a constant string. */ 61#define CONST_STRNEQ(STR1,STR2) (strncmp ((STR1), (STR2), sizeof (STR2) - 1) == 0) 62 /* strcpy() can have a similar problem, but since we know we are 63 copying a constant string, we can use memcpy which will be faster 64 since there is no need to check for a NUL byte inside STR. We 65 can also save time if we do not need to copy the terminating NUL. */ 66#define LITMEMCPY(DEST,STR2) memcpy ((DEST), (STR2), sizeof (STR2) - 1) 67#define LITSTRCPY(DEST,STR2) memcpy ((DEST), (STR2), sizeof (STR2)) 68 69 70/* The word size used by BFD on the host. This may be 64 with a 32 71 bit target if the host is 64 bit, or if other 64 bit targets have 72 been selected with --enable-targets, or if --enable-64-bit-bfd. */ 73#define BFD_ARCH_SIZE @wordsize@ 74 75/* The word size of the default bfd target. */ 76#define BFD_DEFAULT_TARGET_SIZE @bfd_default_target_size@ 77 78#define BFD_HOST_64BIT_LONG @BFD_HOST_64BIT_LONG@ 79#define BFD_HOST_LONG_LONG @BFD_HOST_LONG_LONG@ 80#if @BFD_HOST_64_BIT_DEFINED@ 81#define BFD_HOST_64_BIT @BFD_HOST_64_BIT@ 82#define BFD_HOST_U_64_BIT @BFD_HOST_U_64_BIT@ 83typedef BFD_HOST_64_BIT bfd_int64_t; 84typedef BFD_HOST_U_64_BIT bfd_uint64_t; 85#endif 86 87#if BFD_ARCH_SIZE >= 64 88#define BFD64 89#endif 90 91#ifndef INLINE 92#if __GNUC__ >= 2 93#define INLINE __inline__ 94#else 95#define INLINE 96#endif 97#endif 98 99/* Forward declaration. */ 100typedef struct bfd bfd; 101 102/* Boolean type used in bfd. Too many systems define their own 103 versions of "boolean" for us to safely typedef a "boolean" of 104 our own. Using an enum for "bfd_boolean" has its own set of 105 problems, with strange looking casts required to avoid warnings 106 on some older compilers. Thus we just use an int. 107 108 General rule: Functions which are bfd_boolean return TRUE on 109 success and FALSE on failure (unless they're a predicate). */ 110 111typedef int bfd_boolean; 112#undef FALSE 113#undef TRUE 114#define FALSE 0 115#define TRUE 1 116 117#ifdef BFD64 118 119#ifndef BFD_HOST_64_BIT 120 #error No 64 bit integer type available 121#endif /* ! defined (BFD_HOST_64_BIT) */ 122 123typedef BFD_HOST_U_64_BIT bfd_vma; 124typedef BFD_HOST_64_BIT bfd_signed_vma; 125typedef BFD_HOST_U_64_BIT bfd_size_type; 126typedef BFD_HOST_U_64_BIT symvalue; 127 128#ifndef fprintf_vma 129#if BFD_HOST_64BIT_LONG 130#define sprintf_vma(s,x) sprintf (s, "%016lx", x) 131#define fprintf_vma(f,x) fprintf (f, "%016lx", x) 132#else 133#define _bfd_int64_low(x) ((unsigned long) (((x) & 0xffffffff))) 134#define _bfd_int64_high(x) ((unsigned long) (((x) >> 32) & 0xffffffff)) 135#define fprintf_vma(s,x) \ 136 fprintf ((s), "%08lx%08lx", _bfd_int64_high (x), _bfd_int64_low (x)) 137#define sprintf_vma(s,x) \ 138 sprintf ((s), "%08lx%08lx", _bfd_int64_high (x), _bfd_int64_low (x)) 139#endif 140#endif 141 142#else /* not BFD64 */ 143 144/* Represent a target address. Also used as a generic unsigned type 145 which is guaranteed to be big enough to hold any arithmetic types 146 we need to deal with. */ 147typedef unsigned long bfd_vma; 148 149/* A generic signed type which is guaranteed to be big enough to hold any 150 arithmetic types we need to deal with. Can be assumed to be compatible 151 with bfd_vma in the same way that signed and unsigned ints are compatible 152 (as parameters, in assignment, etc). */ 153typedef long bfd_signed_vma; 154 155typedef unsigned long symvalue; 156typedef unsigned long bfd_size_type; 157 158/* Print a bfd_vma x on stream s. */ 159#define fprintf_vma(s,x) fprintf (s, "%08lx", x) 160#define sprintf_vma(s,x) sprintf (s, "%08lx", x) 161 162#endif /* not BFD64 */ 163 164#define HALF_BFD_SIZE_TYPE \ 165 (((bfd_size_type) 1) << (8 * sizeof (bfd_size_type) / 2)) 166 167#ifndef BFD_HOST_64_BIT 168/* Fall back on a 32 bit type. The idea is to make these types always 169 available for function return types, but in the case that 170 BFD_HOST_64_BIT is undefined such a function should abort or 171 otherwise signal an error. */ 172typedef bfd_signed_vma bfd_int64_t; 173typedef bfd_vma bfd_uint64_t; 174#endif 175 176/* An offset into a file. BFD always uses the largest possible offset 177 based on the build time availability of fseek, fseeko, or fseeko64. */ 178typedef @bfd_file_ptr@ file_ptr; 179typedef unsigned @bfd_file_ptr@ ufile_ptr; 180 181extern void bfd_sprintf_vma (bfd *, char *, bfd_vma); 182extern void bfd_fprintf_vma (bfd *, void *, bfd_vma); 183 184#define printf_vma(x) fprintf_vma(stdout,x) 185#define bfd_printf_vma(abfd,x) bfd_fprintf_vma (abfd,stdout,x) 186 187typedef unsigned int flagword; /* 32 bits of flags */ 188typedef unsigned char bfd_byte; 189 190/* File formats. */ 191 192typedef enum bfd_format 193{ 194 bfd_unknown = 0, /* File format is unknown. */ 195 bfd_object, /* Linker/assembler/compiler output. */ 196 bfd_archive, /* Object archive file. */ 197 bfd_core, /* Core dump. */ 198 bfd_type_end /* Marks the end; don't use it! */ 199} 200bfd_format; 201 202/* Values that may appear in the flags field of a BFD. These also 203 appear in the object_flags field of the bfd_target structure, where 204 they indicate the set of flags used by that backend (not all flags 205 are meaningful for all object file formats) (FIXME: at the moment, 206 the object_flags values have mostly just been copied from backend 207 to another, and are not necessarily correct). */ 208 209/* No flags. */ 210#define BFD_NO_FLAGS 0x00 211 212/* BFD contains relocation entries. */ 213#define HAS_RELOC 0x01 214 215/* BFD is directly executable. */ 216#define EXEC_P 0x02 217 218/* BFD has line number information (basically used for F_LNNO in a 219 COFF header). */ 220#define HAS_LINENO 0x04 221 222/* BFD has debugging information. */ 223#define HAS_DEBUG 0x08 224 225/* BFD has symbols. */ 226#define HAS_SYMS 0x10 227 228/* BFD has local symbols (basically used for F_LSYMS in a COFF 229 header). */ 230#define HAS_LOCALS 0x20 231 232/* BFD is a dynamic object. */ 233#define DYNAMIC 0x40 234 235/* Text section is write protected (if D_PAGED is not set, this is 236 like an a.out NMAGIC file) (the linker sets this by default, but 237 clears it for -r or -N). */ 238#define WP_TEXT 0x80 239 240/* BFD is dynamically paged (this is like an a.out ZMAGIC file) (the 241 linker sets this by default, but clears it for -r or -n or -N). */ 242#define D_PAGED 0x100 243 244/* BFD is relaxable (this means that bfd_relax_section may be able to 245 do something) (sometimes bfd_relax_section can do something even if 246 this is not set). */ 247#define BFD_IS_RELAXABLE 0x200 248 249/* This may be set before writing out a BFD to request using a 250 traditional format. For example, this is used to request that when 251 writing out an a.out object the symbols not be hashed to eliminate 252 duplicates. */ 253#define BFD_TRADITIONAL_FORMAT 0x400 254 255/* This flag indicates that the BFD contents are actually cached in 256 memory. If this is set, iostream points to a bfd_in_memory struct. */ 257#define BFD_IN_MEMORY 0x800 258 259/* The sections in this BFD specify a memory page. */ 260#define HAS_LOAD_PAGE 0x1000 261 262/* This BFD has been created by the linker and doesn't correspond 263 to any input file. */ 264#define BFD_LINKER_CREATED 0x2000 265 266/* Symbols and relocation. */ 267 268/* A count of carsyms (canonical archive symbols). */ 269typedef unsigned long symindex; 270 271/* How to perform a relocation. */ 272typedef const struct reloc_howto_struct reloc_howto_type; 273 274#define BFD_NO_MORE_SYMBOLS ((symindex) ~0) 275 276/* General purpose part of a symbol X; 277 target specific parts are in libcoff.h, libaout.h, etc. */ 278 279#define bfd_get_section(x) ((x)->section) 280#define bfd_get_output_section(x) ((x)->section->output_section) 281#define bfd_set_section(x,y) ((x)->section) = (y) 282#define bfd_asymbol_base(x) ((x)->section->vma) 283#define bfd_asymbol_value(x) (bfd_asymbol_base(x) + (x)->value) 284#define bfd_asymbol_name(x) ((x)->name) 285/*Perhaps future: #define bfd_asymbol_bfd(x) ((x)->section->owner)*/ 286#define bfd_asymbol_bfd(x) ((x)->the_bfd) 287#define bfd_asymbol_flavour(x) (bfd_asymbol_bfd(x)->xvec->flavour) 288 289/* A canonical archive symbol. */ 290/* This is a type pun with struct ranlib on purpose! */ 291typedef struct carsym 292{ 293 char *name; 294 file_ptr file_offset; /* Look here to find the file. */ 295} 296carsym; /* To make these you call a carsymogen. */ 297 298/* Used in generating armaps (archive tables of contents). 299 Perhaps just a forward definition would do? */ 300struct orl /* Output ranlib. */ 301{ 302 char **name; /* Symbol name. */ 303 union 304 { 305 file_ptr pos; 306 bfd *abfd; 307 } u; /* bfd* or file position. */ 308 int namidx; /* Index into string table. */ 309}; 310 311/* Linenumber stuff. */ 312typedef struct lineno_cache_entry 313{ 314 unsigned int line_number; /* Linenumber from start of function. */ 315 union 316 { 317 struct bfd_symbol *sym; /* Function name. */ 318 bfd_vma offset; /* Offset into section. */ 319 } u; 320} 321alent; 322 323/* Object and core file sections. */ 324 325#define align_power(addr, align) \ 326 (((addr) + ((bfd_vma) 1 << (align)) - 1) & ((bfd_vma) -1 << (align))) 327 328typedef struct bfd_section *sec_ptr; 329 330#define bfd_get_section_name(bfd, ptr) ((ptr)->name + 0) 331#define bfd_get_section_vma(bfd, ptr) ((ptr)->vma + 0) 332#define bfd_get_section_lma(bfd, ptr) ((ptr)->lma + 0) 333#define bfd_get_section_alignment(bfd, ptr) ((ptr)->alignment_power + 0) 334#define bfd_section_name(bfd, ptr) ((ptr)->name) 335#define bfd_section_size(bfd, ptr) ((ptr)->size) 336#define bfd_get_section_size(ptr) ((ptr)->size) 337#define bfd_section_vma(bfd, ptr) ((ptr)->vma) 338#define bfd_section_lma(bfd, ptr) ((ptr)->lma) 339#define bfd_section_alignment(bfd, ptr) ((ptr)->alignment_power) 340#define bfd_get_section_flags(bfd, ptr) ((ptr)->flags + 0) 341#define bfd_get_section_userdata(bfd, ptr) ((ptr)->userdata) 342 343#define bfd_is_com_section(ptr) (((ptr)->flags & SEC_IS_COMMON) != 0) 344 345#define bfd_set_section_vma(bfd, ptr, val) (((ptr)->vma = (ptr)->lma = (val)), ((ptr)->user_set_vma = TRUE), TRUE) 346#define bfd_set_section_alignment(bfd, ptr, val) (((ptr)->alignment_power = (val)),TRUE) 347#define bfd_set_section_userdata(bfd, ptr, val) (((ptr)->userdata = (val)),TRUE) 348/* Find the address one past the end of SEC. */ 349#define bfd_get_section_limit(bfd, sec) \ 350 (((sec)->rawsize ? (sec)->rawsize : (sec)->size) \ 351 / bfd_octets_per_byte (bfd)) 352 353/* Forward define. */ 354struct stat; 355 356typedef enum bfd_print_symbol 357{ 358 bfd_print_symbol_name, 359 bfd_print_symbol_more, 360 bfd_print_symbol_all 361} bfd_print_symbol_type; 362 363/* Information about a symbol that nm needs. */ 364 365typedef struct _symbol_info 366{ 367 symvalue value; 368 char type; 369 const char *name; /* Symbol name. */ 370 unsigned char stab_type; /* Stab type. */ 371 char stab_other; /* Stab other. */ 372 short stab_desc; /* Stab desc. */ 373 const char *stab_name; /* String for stab type. */ 374} symbol_info; 375 376/* Get the name of a stabs type code. */ 377 378extern const char *bfd_get_stab_name (int); 379 380/* Hash table routines. There is no way to free up a hash table. */ 381 382/* An element in the hash table. Most uses will actually use a larger 383 structure, and an instance of this will be the first field. */ 384 385struct bfd_hash_entry 386{ 387 /* Next entry for this hash code. */ 388 struct bfd_hash_entry *next; 389 /* String being hashed. */ 390 const char *string; 391 /* Hash code. This is the full hash code, not the index into the 392 table. */ 393 unsigned long hash; 394}; 395 396/* A hash table. */ 397 398struct bfd_hash_table 399{ 400 /* The hash array. */ 401 struct bfd_hash_entry **table; 402 /* A function used to create new elements in the hash table. The 403 first entry is itself a pointer to an element. When this 404 function is first invoked, this pointer will be NULL. However, 405 having the pointer permits a hierarchy of method functions to be 406 built each of which calls the function in the superclass. Thus 407 each function should be written to allocate a new block of memory 408 only if the argument is NULL. */ 409 struct bfd_hash_entry *(*newfunc) 410 (struct bfd_hash_entry *, struct bfd_hash_table *, const char *); 411 /* An objalloc for this hash table. This is a struct objalloc *, 412 but we use void * to avoid requiring the inclusion of objalloc.h. */ 413 void *memory; 414 /* The number of slots in the hash table. */ 415 unsigned int size; 416 /* The number of entries in the hash table. */ 417 unsigned int count; 418 /* The size of elements. */ 419 unsigned int entsize; 420 /* If non-zero, don't grow the hash table. */ 421 unsigned int frozen:1; 422}; 423 424/* Initialize a hash table. */ 425extern bfd_boolean bfd_hash_table_init 426 (struct bfd_hash_table *, 427 struct bfd_hash_entry *(*) (struct bfd_hash_entry *, 428 struct bfd_hash_table *, 429 const char *), 430 unsigned int); 431 432/* Initialize a hash table specifying a size. */ 433extern bfd_boolean bfd_hash_table_init_n 434 (struct bfd_hash_table *, 435 struct bfd_hash_entry *(*) (struct bfd_hash_entry *, 436 struct bfd_hash_table *, 437 const char *), 438 unsigned int, unsigned int); 439 440/* Free up a hash table. */ 441extern void bfd_hash_table_free 442 (struct bfd_hash_table *); 443 444/* Look up a string in a hash table. If CREATE is TRUE, a new entry 445 will be created for this string if one does not already exist. The 446 COPY argument must be TRUE if this routine should copy the string 447 into newly allocated memory when adding an entry. */ 448extern struct bfd_hash_entry *bfd_hash_lookup 449 (struct bfd_hash_table *, const char *, bfd_boolean create, 450 bfd_boolean copy); 451 452/* Replace an entry in a hash table. */ 453extern void bfd_hash_replace 454 (struct bfd_hash_table *, struct bfd_hash_entry *old, 455 struct bfd_hash_entry *nw); 456 457/* Base method for creating a hash table entry. */ 458extern struct bfd_hash_entry *bfd_hash_newfunc 459 (struct bfd_hash_entry *, struct bfd_hash_table *, const char *); 460 461/* Grab some space for a hash table entry. */ 462extern void *bfd_hash_allocate 463 (struct bfd_hash_table *, unsigned int); 464 465/* Traverse a hash table in a random order, calling a function on each 466 element. If the function returns FALSE, the traversal stops. The 467 INFO argument is passed to the function. */ 468extern void bfd_hash_traverse 469 (struct bfd_hash_table *, 470 bfd_boolean (*) (struct bfd_hash_entry *, void *), 471 void *info); 472 473/* Allows the default size of a hash table to be configured. New hash 474 tables allocated using bfd_hash_table_init will be created with 475 this size. */ 476extern void bfd_hash_set_default_size (bfd_size_type); 477 478/* This structure is used to keep track of stabs in sections 479 information while linking. */ 480 481struct stab_info 482{ 483 /* A hash table used to hold stabs strings. */ 484 struct bfd_strtab_hash *strings; 485 /* The header file hash table. */ 486 struct bfd_hash_table includes; 487 /* The first .stabstr section. */ 488 struct bfd_section *stabstr; 489}; 490 491#define COFF_SWAP_TABLE (void *) &bfd_coff_std_swap_table 492 493/* User program access to BFD facilities. */ 494 495/* Direct I/O routines, for programs which know more about the object 496 file than BFD does. Use higher level routines if possible. */ 497 498extern bfd_size_type bfd_bread (void *, bfd_size_type, bfd *); 499extern bfd_size_type bfd_bwrite (const void *, bfd_size_type, bfd *); 500extern int bfd_seek (bfd *, file_ptr, int); 501extern file_ptr bfd_tell (bfd *); 502extern int bfd_flush (bfd *); 503extern int bfd_stat (bfd *, struct stat *); 504 505/* Deprecated old routines. */ 506#if __GNUC__ 507#define bfd_read(BUF, ELTSIZE, NITEMS, ABFD) \ 508 (warn_deprecated ("bfd_read", __FILE__, __LINE__, __FUNCTION__), \ 509 bfd_bread ((BUF), (ELTSIZE) * (NITEMS), (ABFD))) 510#define bfd_write(BUF, ELTSIZE, NITEMS, ABFD) \ 511 (warn_deprecated ("bfd_write", __FILE__, __LINE__, __FUNCTION__), \ 512 bfd_bwrite ((BUF), (ELTSIZE) * (NITEMS), (ABFD))) 513#else 514#define bfd_read(BUF, ELTSIZE, NITEMS, ABFD) \ 515 (warn_deprecated ("bfd_read", (const char *) 0, 0, (const char *) 0), \ 516 bfd_bread ((BUF), (ELTSIZE) * (NITEMS), (ABFD))) 517#define bfd_write(BUF, ELTSIZE, NITEMS, ABFD) \ 518 (warn_deprecated ("bfd_write", (const char *) 0, 0, (const char *) 0),\ 519 bfd_bwrite ((BUF), (ELTSIZE) * (NITEMS), (ABFD))) 520#endif 521extern void warn_deprecated (const char *, const char *, int, const char *); 522 523/* Cast from const char * to char * so that caller can assign to 524 a char * without a warning. */ 525#define bfd_get_filename(abfd) ((char *) (abfd)->filename) 526#define bfd_get_cacheable(abfd) ((abfd)->cacheable) 527#define bfd_get_format(abfd) ((abfd)->format) 528#define bfd_get_target(abfd) ((abfd)->xvec->name) 529#define bfd_get_flavour(abfd) ((abfd)->xvec->flavour) 530#define bfd_family_coff(abfd) \ 531 (bfd_get_flavour (abfd) == bfd_target_coff_flavour || \ 532 bfd_get_flavour (abfd) == bfd_target_xcoff_flavour) 533#define bfd_big_endian(abfd) ((abfd)->xvec->byteorder == BFD_ENDIAN_BIG) 534#define bfd_little_endian(abfd) ((abfd)->xvec->byteorder == BFD_ENDIAN_LITTLE) 535#define bfd_header_big_endian(abfd) \ 536 ((abfd)->xvec->header_byteorder == BFD_ENDIAN_BIG) 537#define bfd_header_little_endian(abfd) \ 538 ((abfd)->xvec->header_byteorder == BFD_ENDIAN_LITTLE) 539#define bfd_get_file_flags(abfd) ((abfd)->flags) 540#define bfd_applicable_file_flags(abfd) ((abfd)->xvec->object_flags) 541#define bfd_applicable_section_flags(abfd) ((abfd)->xvec->section_flags) 542#define bfd_my_archive(abfd) ((abfd)->my_archive) 543#define bfd_has_map(abfd) ((abfd)->has_armap) 544 545#define bfd_valid_reloc_types(abfd) ((abfd)->xvec->valid_reloc_types) 546#define bfd_usrdata(abfd) ((abfd)->usrdata) 547 548#define bfd_get_start_address(abfd) ((abfd)->start_address) 549#define bfd_get_symcount(abfd) ((abfd)->symcount) 550#define bfd_get_outsymbols(abfd) ((abfd)->outsymbols) 551#define bfd_count_sections(abfd) ((abfd)->section_count) 552 553#define bfd_get_dynamic_symcount(abfd) ((abfd)->dynsymcount) 554 555#define bfd_get_symbol_leading_char(abfd) ((abfd)->xvec->symbol_leading_char) 556 557#define bfd_set_cacheable(abfd,bool) (((abfd)->cacheable = bool), TRUE) 558 559extern bfd_boolean bfd_cache_close 560 (bfd *abfd); 561/* NB: This declaration should match the autogenerated one in libbfd.h. */ 562 563extern bfd_boolean bfd_cache_close_all (void); 564 565extern bfd_boolean bfd_record_phdr 566 (bfd *, unsigned long, bfd_boolean, flagword, bfd_boolean, bfd_vma, 567 bfd_boolean, bfd_boolean, unsigned int, struct bfd_section **); 568 569/* Byte swapping routines. */ 570 571bfd_uint64_t bfd_getb64 (const void *); 572bfd_uint64_t bfd_getl64 (const void *); 573bfd_int64_t bfd_getb_signed_64 (const void *); 574bfd_int64_t bfd_getl_signed_64 (const void *); 575bfd_vma bfd_getb32 (const void *); 576bfd_vma bfd_getl32 (const void *); 577bfd_signed_vma bfd_getb_signed_32 (const void *); 578bfd_signed_vma bfd_getl_signed_32 (const void *); 579bfd_vma bfd_getb16 (const void *); 580bfd_vma bfd_getl16 (const void *); 581bfd_signed_vma bfd_getb_signed_16 (const void *); 582bfd_signed_vma bfd_getl_signed_16 (const void *); 583void bfd_putb64 (bfd_uint64_t, void *); 584void bfd_putl64 (bfd_uint64_t, void *); 585void bfd_putb32 (bfd_vma, void *); 586void bfd_putl32 (bfd_vma, void *); 587void bfd_putb16 (bfd_vma, void *); 588void bfd_putl16 (bfd_vma, void *); 589 590/* Byte swapping routines which take size and endiannes as arguments. */ 591 592bfd_uint64_t bfd_get_bits (const void *, int, bfd_boolean); 593void bfd_put_bits (bfd_uint64_t, void *, int, bfd_boolean); 594 595extern bfd_boolean bfd_section_already_linked_table_init (void); 596extern void bfd_section_already_linked_table_free (void); 597 598/* Externally visible ECOFF routines. */ 599 600#if defined(__STDC__) || defined(ALMOST_STDC) 601struct ecoff_debug_info; 602struct ecoff_debug_swap; 603struct ecoff_extr; 604struct bfd_symbol; 605struct bfd_link_info; 606struct bfd_link_hash_entry; 607struct bfd_elf_version_tree; 608#endif 609extern bfd_vma bfd_ecoff_get_gp_value 610 (bfd * abfd); 611extern bfd_boolean bfd_ecoff_set_gp_value 612 (bfd *abfd, bfd_vma gp_value); 613extern bfd_boolean bfd_ecoff_set_regmasks 614 (bfd *abfd, unsigned long gprmask, unsigned long fprmask, 615 unsigned long *cprmask); 616extern void *bfd_ecoff_debug_init 617 (bfd *output_bfd, struct ecoff_debug_info *output_debug, 618 const struct ecoff_debug_swap *output_swap, struct bfd_link_info *); 619extern void bfd_ecoff_debug_free 620 (void *handle, bfd *output_bfd, struct ecoff_debug_info *output_debug, 621 const struct ecoff_debug_swap *output_swap, struct bfd_link_info *); 622extern bfd_boolean bfd_ecoff_debug_accumulate 623 (void *handle, bfd *output_bfd, struct ecoff_debug_info *output_debug, 624 const struct ecoff_debug_swap *output_swap, bfd *input_bfd, 625 struct ecoff_debug_info *input_debug, 626 const struct ecoff_debug_swap *input_swap, struct bfd_link_info *); 627extern bfd_boolean bfd_ecoff_debug_accumulate_other 628 (void *handle, bfd *output_bfd, struct ecoff_debug_info *output_debug, 629 const struct ecoff_debug_swap *output_swap, bfd *input_bfd, 630 struct bfd_link_info *); 631extern bfd_boolean bfd_ecoff_debug_externals 632 (bfd *abfd, struct ecoff_debug_info *debug, 633 const struct ecoff_debug_swap *swap, bfd_boolean relocatable, 634 bfd_boolean (*get_extr) (struct bfd_symbol *, struct ecoff_extr *), 635 void (*set_index) (struct bfd_symbol *, bfd_size_type)); 636extern bfd_boolean bfd_ecoff_debug_one_external 637 (bfd *abfd, struct ecoff_debug_info *debug, 638 const struct ecoff_debug_swap *swap, const char *name, 639 struct ecoff_extr *esym); 640extern bfd_size_type bfd_ecoff_debug_size 641 (bfd *abfd, struct ecoff_debug_info *debug, 642 const struct ecoff_debug_swap *swap); 643extern bfd_boolean bfd_ecoff_write_debug 644 (bfd *abfd, struct ecoff_debug_info *debug, 645 const struct ecoff_debug_swap *swap, file_ptr where); 646extern bfd_boolean bfd_ecoff_write_accumulated_debug 647 (void *handle, bfd *abfd, struct ecoff_debug_info *debug, 648 const struct ecoff_debug_swap *swap, 649 struct bfd_link_info *info, file_ptr where); 650 651/* Externally visible ELF routines. */ 652 653struct bfd_link_needed_list 654{ 655 struct bfd_link_needed_list *next; 656 bfd *by; 657 const char *name; 658}; 659 660enum dynamic_lib_link_class { 661 DYN_NORMAL = 0, 662 DYN_AS_NEEDED = 1, 663 DYN_DT_NEEDED = 2, 664 DYN_NO_ADD_NEEDED = 4, 665 DYN_NO_NEEDED = 8 666}; 667 668enum notice_asneeded_action { 669 notice_as_needed, 670 notice_not_needed, 671 notice_needed 672}; 673 674extern bfd_boolean bfd_elf_record_link_assignment 675 (bfd *, struct bfd_link_info *, const char *, bfd_boolean, 676 bfd_boolean); 677extern struct bfd_link_needed_list *bfd_elf_get_needed_list 678 (bfd *, struct bfd_link_info *); 679extern bfd_boolean bfd_elf_get_bfd_needed_list 680 (bfd *, struct bfd_link_needed_list **); 681extern bfd_boolean bfd_elf_size_dynamic_sections 682 (bfd *, const char *, const char *, const char *, const char * const *, 683 struct bfd_link_info *, struct bfd_section **, 684 struct bfd_elf_version_tree *); 685extern bfd_boolean bfd_elf_size_dynsym_hash_dynstr 686 (bfd *, struct bfd_link_info *); 687extern void bfd_elf_set_dt_needed_name 688 (bfd *, const char *); 689extern const char *bfd_elf_get_dt_soname 690 (bfd *); 691extern void bfd_elf_set_dyn_lib_class 692 (bfd *, enum dynamic_lib_link_class); 693extern int bfd_elf_get_dyn_lib_class 694 (bfd *); 695extern struct bfd_link_needed_list *bfd_elf_get_runpath_list 696 (bfd *, struct bfd_link_info *); 697extern bfd_boolean bfd_elf_discard_info 698 (bfd *, struct bfd_link_info *); 699extern unsigned int _bfd_elf_default_action_discarded 700 (struct bfd_section *); 701 702/* Return an upper bound on the number of bytes required to store a 703 copy of ABFD's program header table entries. Return -1 if an error 704 occurs; bfd_get_error will return an appropriate code. */ 705extern long bfd_get_elf_phdr_upper_bound 706 (bfd *abfd); 707 708/* Copy ABFD's program header table entries to *PHDRS. The entries 709 will be stored as an array of Elf_Internal_Phdr structures, as 710 defined in include/elf/internal.h. To find out how large the 711 buffer needs to be, call bfd_get_elf_phdr_upper_bound. 712 713 Return the number of program header table entries read, or -1 if an 714 error occurs; bfd_get_error will return an appropriate code. */ 715extern int bfd_get_elf_phdrs 716 (bfd *abfd, void *phdrs); 717 718/* Create a new BFD as if by bfd_openr. Rather than opening a file, 719 reconstruct an ELF file by reading the segments out of remote memory 720 based on the ELF file header at EHDR_VMA and the ELF program headers it 721 points to. If not null, *LOADBASEP is filled in with the difference 722 between the VMAs from which the segments were read, and the VMAs the 723 file headers (and hence BFD's idea of each section's VMA) put them at. 724 725 The function TARGET_READ_MEMORY is called to copy LEN bytes from the 726 remote memory at target address VMA into the local buffer at MYADDR; it 727 should return zero on success or an `errno' code on failure. TEMPL must 728 be a BFD for an ELF target with the word size and byte order found in 729 the remote memory. */ 730extern bfd *bfd_elf_bfd_from_remote_memory 731 (bfd *templ, bfd_vma ehdr_vma, bfd_vma *loadbasep, 732 int (*target_read_memory) (bfd_vma vma, bfd_byte *myaddr, int len)); 733 734/* Return the arch_size field of an elf bfd, or -1 if not elf. */ 735extern int bfd_get_arch_size 736 (bfd *); 737 738/* Return TRUE if address "naturally" sign extends, or -1 if not elf. */ 739extern int bfd_get_sign_extend_vma 740 (bfd *); 741 742extern struct bfd_section *_bfd_elf_tls_setup 743 (bfd *, struct bfd_link_info *); 744 745extern void _bfd_fix_excluded_sec_syms 746 (bfd *, struct bfd_link_info *); 747 748extern unsigned bfd_m68k_mach_to_features (int); 749 750extern int bfd_m68k_features_to_mach (unsigned); 751 752extern bfd_boolean bfd_m68k_elf32_create_embedded_relocs 753 (bfd *, struct bfd_link_info *, struct bfd_section *, struct bfd_section *, 754 char **); 755 756extern bfd_boolean bfd_bfin_elf32_create_embedded_relocs 757 (bfd *, struct bfd_link_info *, struct bfd_section *, struct bfd_section *, 758 char **); 759 760/* SunOS shared library support routines for the linker. */ 761 762extern struct bfd_link_needed_list *bfd_sunos_get_needed_list 763 (bfd *, struct bfd_link_info *); 764extern bfd_boolean bfd_sunos_record_link_assignment 765 (bfd *, struct bfd_link_info *, const char *); 766extern bfd_boolean bfd_sunos_size_dynamic_sections 767 (bfd *, struct bfd_link_info *, struct bfd_section **, 768 struct bfd_section **, struct bfd_section **); 769 770/* Linux shared library support routines for the linker. */ 771 772extern bfd_boolean bfd_i386linux_size_dynamic_sections 773 (bfd *, struct bfd_link_info *); 774extern bfd_boolean bfd_m68klinux_size_dynamic_sections 775 (bfd *, struct bfd_link_info *); 776extern bfd_boolean bfd_sparclinux_size_dynamic_sections 777 (bfd *, struct bfd_link_info *); 778 779/* mmap hacks */ 780 781struct _bfd_window_internal; 782typedef struct _bfd_window_internal bfd_window_internal; 783 784typedef struct _bfd_window 785{ 786 /* What the user asked for. */ 787 void *data; 788 bfd_size_type size; 789 /* The actual window used by BFD. Small user-requested read-only 790 regions sharing a page may share a single window into the object 791 file. Read-write versions shouldn't until I've fixed things to 792 keep track of which portions have been claimed by the 793 application; don't want to give the same region back when the 794 application wants two writable copies! */ 795 struct _bfd_window_internal *i; 796} 797bfd_window; 798 799extern void bfd_init_window 800 (bfd_window *); 801extern void bfd_free_window 802 (bfd_window *); 803extern bfd_boolean bfd_get_file_window 804 (bfd *, file_ptr, bfd_size_type, bfd_window *, bfd_boolean); 805 806/* XCOFF support routines for the linker. */ 807 808extern bfd_boolean bfd_xcoff_link_record_set 809 (bfd *, struct bfd_link_info *, struct bfd_link_hash_entry *, bfd_size_type); 810extern bfd_boolean bfd_xcoff_import_symbol 811 (bfd *, struct bfd_link_info *, struct bfd_link_hash_entry *, bfd_vma, 812 const char *, const char *, const char *, unsigned int); 813extern bfd_boolean bfd_xcoff_export_symbol 814 (bfd *, struct bfd_link_info *, struct bfd_link_hash_entry *); 815extern bfd_boolean bfd_xcoff_link_count_reloc 816 (bfd *, struct bfd_link_info *, const char *); 817extern bfd_boolean bfd_xcoff_record_link_assignment 818 (bfd *, struct bfd_link_info *, const char *); 819extern bfd_boolean bfd_xcoff_size_dynamic_sections 820 (bfd *, struct bfd_link_info *, const char *, const char *, 821 unsigned long, unsigned long, unsigned long, bfd_boolean, 822 int, bfd_boolean, bfd_boolean, struct bfd_section **, bfd_boolean); 823extern bfd_boolean bfd_xcoff_link_generate_rtinit 824 (bfd *, const char *, const char *, bfd_boolean); 825 826/* XCOFF support routines for ar. */ 827extern bfd_boolean bfd_xcoff_ar_archive_set_magic 828 (bfd *, char *); 829 830/* Externally visible COFF routines. */ 831 832#if defined(__STDC__) || defined(ALMOST_STDC) 833struct internal_syment; 834union internal_auxent; 835#endif 836 837extern bfd_boolean bfd_coff_get_syment 838 (bfd *, struct bfd_symbol *, struct internal_syment *); 839 840extern bfd_boolean bfd_coff_get_auxent 841 (bfd *, struct bfd_symbol *, int, union internal_auxent *); 842 843extern bfd_boolean bfd_coff_set_symbol_class 844 (bfd *, struct bfd_symbol *, unsigned int); 845 846extern bfd_boolean bfd_m68k_coff_create_embedded_relocs 847 (bfd *, struct bfd_link_info *, struct bfd_section *, struct bfd_section *, char **); 848 849/* ARM VFP11 erratum workaround support. */ 850typedef enum 851{ 852 BFD_ARM_VFP11_FIX_DEFAULT, 853 BFD_ARM_VFP11_FIX_NONE, 854 BFD_ARM_VFP11_FIX_SCALAR, 855 BFD_ARM_VFP11_FIX_VECTOR 856} bfd_arm_vfp11_fix; 857 858extern void bfd_elf32_arm_init_maps 859 (bfd *); 860 861extern void bfd_elf32_arm_set_vfp11_fix 862 (bfd *, struct bfd_link_info *); 863 864extern bfd_boolean bfd_elf32_arm_vfp11_erratum_scan 865 (bfd *, struct bfd_link_info *); 866 867extern void bfd_elf32_arm_vfp11_fix_veneer_locations 868 (bfd *, struct bfd_link_info *); 869 870/* ARM Interworking support. Called from linker. */ 871extern bfd_boolean bfd_arm_allocate_interworking_sections 872 (struct bfd_link_info *); 873 874extern bfd_boolean bfd_arm_process_before_allocation 875 (bfd *, struct bfd_link_info *, int); 876 877extern bfd_boolean bfd_arm_get_bfd_for_interworking 878 (bfd *, struct bfd_link_info *); 879 880/* PE ARM Interworking support. Called from linker. */ 881extern bfd_boolean bfd_arm_pe_allocate_interworking_sections 882 (struct bfd_link_info *); 883 884extern bfd_boolean bfd_arm_pe_process_before_allocation 885 (bfd *, struct bfd_link_info *, int); 886 887extern bfd_boolean bfd_arm_pe_get_bfd_for_interworking 888 (bfd *, struct bfd_link_info *); 889 890/* ELF ARM Interworking support. Called from linker. */ 891extern bfd_boolean bfd_elf32_arm_allocate_interworking_sections 892 (struct bfd_link_info *); 893 894extern bfd_boolean bfd_elf32_arm_process_before_allocation 895 (bfd *, struct bfd_link_info *); 896 897void bfd_elf32_arm_set_target_relocs 898 (struct bfd_link_info *, int, char *, int, int, bfd_arm_vfp11_fix); 899 900extern bfd_boolean bfd_elf32_arm_get_bfd_for_interworking 901 (bfd *, struct bfd_link_info *); 902 903extern bfd_boolean bfd_elf32_arm_add_glue_sections_to_bfd 904 (bfd *, struct bfd_link_info *); 905 906/* ELF ARM mapping symbol support */ 907#define BFD_ARM_SPECIAL_SYM_TYPE_MAP (1 << 0) 908#define BFD_ARM_SPECIAL_SYM_TYPE_TAG (1 << 1) 909#define BFD_ARM_SPECIAL_SYM_TYPE_OTHER (1 << 2) 910#define BFD_ARM_SPECIAL_SYM_TYPE_ANY (~0) 911extern bfd_boolean bfd_is_arm_special_symbol_name 912 (const char * name, int type); 913 914extern void bfd_elf32_arm_set_byteswap_code (struct bfd_link_info *, int); 915 916/* ARM Note section processing. */ 917extern bfd_boolean bfd_arm_merge_machines 918 (bfd *, bfd *); 919 920extern bfd_boolean bfd_arm_update_notes 921 (bfd *, const char *); 922 923extern unsigned int bfd_arm_get_mach_from_notes 924 (bfd *, const char *); 925 926/* TI COFF load page support. */ 927extern void bfd_ticoff_set_section_load_page 928 (struct bfd_section *, int); 929 930extern int bfd_ticoff_get_section_load_page 931 (struct bfd_section *); 932 933/* H8/300 functions. */ 934extern bfd_vma bfd_h8300_pad_address 935 (bfd *, bfd_vma); 936 937/* IA64 Itanium code generation. Called from linker. */ 938extern void bfd_elf32_ia64_after_parse 939 (int); 940 941extern void bfd_elf64_ia64_after_parse 942 (int); 943 944/* This structure is used for a comdat section, as in PE. A comdat 945 section is associated with a particular symbol. When the linker 946 sees a comdat section, it keeps only one of the sections with a 947 given name and associated with a given symbol. */ 948 949struct coff_comdat_info 950{ 951 /* The name of the symbol associated with a comdat section. */ 952 const char *name; 953 954 /* The local symbol table index of the symbol associated with a 955 comdat section. This is only meaningful to the object file format 956 specific code; it is not an index into the list returned by 957 bfd_canonicalize_symtab. */ 958 long symbol; 959}; 960 961extern struct coff_comdat_info *bfd_coff_get_comdat_section 962 (bfd *, struct bfd_section *); 963 964