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