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 Free Software Foundation, Inc. 5 6 Contributed by Cygnus Support. 7 8 This file is part of BFD, the Binary File Descriptor library. 9 10 This program is free software; you can redistribute it and/or modify 11 it under the terms of the GNU General Public License as published by 12 the Free Software Foundation; either version 2 of the License, or 13 (at your option) any later version. 14 15 This program is distributed in the hope that it will be useful, 16 but WITHOUT ANY WARRANTY; without even the implied warranty of 17 MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the 18 GNU General Public License for more details. 19 20 You should have received a copy of the GNU General Public License 21 along with this program; if not, write to the Free Software 22 Foundation, Inc., 59 Temple Place - Suite 330, Boston, MA 02111-1307, USA. */ 23 24#ifndef __BFD_H_SEEN__ 25#define __BFD_H_SEEN__ 26 27#ifdef __cplusplus 28extern "C" { 29#endif 30 31#include "ansidecl.h" 32#include "symcat.h" 33#if defined (__STDC__) || defined (ALMOST_STDC) || defined (HAVE_STRINGIZE) 34#ifndef SABER 35/* This hack is to avoid a problem with some strict ANSI C preprocessors. 36 The problem is, "32_" is not a valid preprocessing token, and we don't 37 want extra underscores (e.g., "nlm_32_"). The XCONCAT2 macro will 38 cause the inner CONCAT2 macros to be evaluated first, producing 39 still-valid pp-tokens. Then the final concatenation can be done. */ 40#undef CONCAT4 41#define CONCAT4(a,b,c,d) XCONCAT2(CONCAT2(a,b),CONCAT2(c,d)) 42#endif 43#endif 44 45/* The word size used by BFD on the host. This may be 64 with a 32 46 bit target if the host is 64 bit, or if other 64 bit targets have 47 been selected with --enable-targets, or if --enable-64-bit-bfd. */ 48#define BFD_ARCH_SIZE @wordsize@ 49 50/* The word size of the default bfd target. */ 51#define BFD_DEFAULT_TARGET_SIZE @bfd_default_target_size@ 52 53#define BFD_HOST_64BIT_LONG @BFD_HOST_64BIT_LONG@ 54#define BFD_HOST_LONG_LONG @BFD_HOST_LONG_LONG@ 55#if @BFD_HOST_64_BIT_DEFINED@ 56#define BFD_HOST_64_BIT @BFD_HOST_64_BIT@ 57#define BFD_HOST_U_64_BIT @BFD_HOST_U_64_BIT@ 58typedef BFD_HOST_64_BIT bfd_int64_t; 59typedef BFD_HOST_U_64_BIT bfd_uint64_t; 60#endif 61 62#if BFD_ARCH_SIZE >= 64 63#define BFD64 64#endif 65 66#ifndef INLINE 67#if __GNUC__ >= 2 68#define INLINE __inline__ 69#else 70#define INLINE 71#endif 72#endif 73 74/* Forward declaration. */ 75typedef struct bfd bfd; 76 77/* Boolean type used in bfd. Too many systems define their own 78 versions of "boolean" for us to safely typedef a "boolean" of 79 our own. Using an enum for "bfd_boolean" has its own set of 80 problems, with strange looking casts required to avoid warnings 81 on some older compilers. Thus we just use an int. 82 83 General rule: Functions which are bfd_boolean return TRUE on 84 success and FALSE on failure (unless they're a predicate). */ 85 86typedef int bfd_boolean; 87#undef FALSE 88#undef TRUE 89#define FALSE 0 90#define TRUE 1 91 92#if 0 93/* Poison. */ 94#undef false 95#undef true 96#define false dont_use_false_in_bfd 97#define true dont_use_true_in_bfd 98#endif 99 100#ifdef BFD64 101 102#ifndef BFD_HOST_64_BIT 103 #error No 64 bit integer type available 104#endif /* ! defined (BFD_HOST_64_BIT) */ 105 106typedef BFD_HOST_U_64_BIT bfd_vma; 107typedef BFD_HOST_64_BIT bfd_signed_vma; 108typedef BFD_HOST_U_64_BIT bfd_size_type; 109typedef BFD_HOST_U_64_BIT symvalue; 110 111#ifndef fprintf_vma 112#if BFD_HOST_64BIT_LONG 113#define sprintf_vma(s,x) sprintf (s, "%016lx", x) 114#define fprintf_vma(f,x) fprintf (f, "%016lx", x) 115#else 116#define _bfd_int64_low(x) ((unsigned long) (((x) & 0xffffffff))) 117#define _bfd_int64_high(x) ((unsigned long) (((x) >> 32) & 0xffffffff)) 118#define fprintf_vma(s,x) \ 119 fprintf ((s), "%08lx%08lx", _bfd_int64_high (x), _bfd_int64_low (x)) 120#define sprintf_vma(s,x) \ 121 sprintf ((s), "%08lx%08lx", _bfd_int64_high (x), _bfd_int64_low (x)) 122#endif 123#endif 124 125#else /* not BFD64 */ 126 127/* Represent a target address. Also used as a generic unsigned type 128 which is guaranteed to be big enough to hold any arithmetic types 129 we need to deal with. */ 130typedef unsigned long bfd_vma; 131 132/* A generic signed type which is guaranteed to be big enough to hold any 133 arithmetic types we need to deal with. Can be assumed to be compatible 134 with bfd_vma in the same way that signed and unsigned ints are compatible 135 (as parameters, in assignment, etc). */ 136typedef long bfd_signed_vma; 137 138typedef unsigned long symvalue; 139typedef unsigned long bfd_size_type; 140 141/* Print a bfd_vma x on stream s. */ 142#define fprintf_vma(s,x) fprintf (s, "%08lx", x) 143#define sprintf_vma(s,x) sprintf (s, "%08lx", x) 144 145#endif /* not BFD64 */ 146 147#ifndef BFD_HOST_64_BIT 148/* Fall back on a 32 bit type. The idea is to make these types always 149 available for function return types, but in the case that 150 BFD_HOST_64_BIT is undefined such a function should abort or 151 otherwise signal an error. */ 152typedef bfd_signed_vma bfd_int64_t; 153typedef bfd_vma bfd_uint64_t; 154#endif 155 156/* An offset into a file. BFD always uses the largest possible offset 157 based on the build time availability of fseek, fseeko, or fseeko64. */ 158typedef @bfd_file_ptr@ file_ptr; 159typedef unsigned @bfd_file_ptr@ ufile_ptr; 160 161extern void bfd_sprintf_vma (bfd *, char *, bfd_vma); 162extern void bfd_fprintf_vma (bfd *, void *, bfd_vma); 163 164#define printf_vma(x) fprintf_vma(stdout,x) 165#define bfd_printf_vma(abfd,x) bfd_fprintf_vma (abfd,stdout,x) 166 167typedef unsigned int flagword; /* 32 bits of flags */ 168typedef unsigned char bfd_byte; 169 170/* File formats. */ 171 172typedef enum bfd_format 173{ 174 bfd_unknown = 0, /* File format is unknown. */ 175 bfd_object, /* Linker/assembler/compiler output. */ 176 bfd_archive, /* Object archive file. */ 177 bfd_core, /* Core dump. */ 178 bfd_type_end /* Marks the end; don't use it! */ 179} 180bfd_format; 181 182/* Values that may appear in the flags field of a BFD. These also 183 appear in the object_flags field of the bfd_target structure, where 184 they indicate the set of flags used by that backend (not all flags 185 are meaningful for all object file formats) (FIXME: at the moment, 186 the object_flags values have mostly just been copied from backend 187 to another, and are not necessarily correct). */ 188 189/* No flags. */ 190#define BFD_NO_FLAGS 0x00 191 192/* BFD contains relocation entries. */ 193#define HAS_RELOC 0x01 194 195/* BFD is directly executable. */ 196#define EXEC_P 0x02 197 198/* BFD has line number information (basically used for F_LNNO in a 199 COFF header). */ 200#define HAS_LINENO 0x04 201 202/* BFD has debugging information. */ 203#define HAS_DEBUG 0x08 204 205/* BFD has symbols. */ 206#define HAS_SYMS 0x10 207 208/* BFD has local symbols (basically used for F_LSYMS in a COFF 209 header). */ 210#define HAS_LOCALS 0x20 211 212/* BFD is a dynamic object. */ 213#define DYNAMIC 0x40 214 215/* Text section is write protected (if D_PAGED is not set, this is 216 like an a.out NMAGIC file) (the linker sets this by default, but 217 clears it for -r or -N). */ 218#define WP_TEXT 0x80 219 220/* BFD is dynamically paged (this is like an a.out ZMAGIC file) (the 221 linker sets this by default, but clears it for -r or -n or -N). */ 222#define D_PAGED 0x100 223 224/* BFD is relaxable (this means that bfd_relax_section may be able to 225 do something) (sometimes bfd_relax_section can do something even if 226 this is not set). */ 227#define BFD_IS_RELAXABLE 0x200 228 229/* This may be set before writing out a BFD to request using a 230 traditional format. For example, this is used to request that when 231 writing out an a.out object the symbols not be hashed to eliminate 232 duplicates. */ 233#define BFD_TRADITIONAL_FORMAT 0x400 234 235/* This flag indicates that the BFD contents are actually cached in 236 memory. If this is set, iostream points to a bfd_in_memory struct. */ 237#define BFD_IN_MEMORY 0x800 238 239/* The sections in this BFD specify a memory page. */ 240#define HAS_LOAD_PAGE 0x1000 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 /* A function used to create new elements in the hash table. The 380 first entry is itself a pointer to an element. When this 381 function is first invoked, this pointer will be NULL. However, 382 having the pointer permits a hierarchy of method functions to be 383 built each of which calls the function in the superclass. Thus 384 each function should be written to allocate a new block of memory 385 only if the argument is NULL. */ 386 struct bfd_hash_entry *(*newfunc) 387 (struct bfd_hash_entry *, struct bfd_hash_table *, const char *); 388 /* An objalloc for this hash table. This is a struct objalloc *, 389 but we use void * to avoid requiring the inclusion of objalloc.h. */ 390 void *memory; 391}; 392 393/* Initialize a hash table. */ 394extern bfd_boolean bfd_hash_table_init 395 (struct bfd_hash_table *, 396 struct bfd_hash_entry *(*) (struct bfd_hash_entry *, 397 struct bfd_hash_table *, 398 const char *)); 399 400/* Initialize a hash table specifying a size. */ 401extern bfd_boolean bfd_hash_table_init_n 402 (struct bfd_hash_table *, 403 struct bfd_hash_entry *(*) (struct bfd_hash_entry *, 404 struct bfd_hash_table *, 405 const char *), 406 unsigned int size); 407 408/* Free up a hash table. */ 409extern void bfd_hash_table_free 410 (struct bfd_hash_table *); 411 412/* Look up a string in a hash table. If CREATE is TRUE, a new entry 413 will be created for this string if one does not already exist. The 414 COPY argument must be TRUE if this routine should copy the string 415 into newly allocated memory when adding an entry. */ 416extern struct bfd_hash_entry *bfd_hash_lookup 417 (struct bfd_hash_table *, const char *, bfd_boolean create, 418 bfd_boolean copy); 419 420/* Replace an entry in a hash table. */ 421extern void bfd_hash_replace 422 (struct bfd_hash_table *, struct bfd_hash_entry *old, 423 struct bfd_hash_entry *nw); 424 425/* Base method for creating a hash table entry. */ 426extern struct bfd_hash_entry *bfd_hash_newfunc 427 (struct bfd_hash_entry *, struct bfd_hash_table *, const char *); 428 429/* Grab some space for a hash table entry. */ 430extern void *bfd_hash_allocate 431 (struct bfd_hash_table *, unsigned int); 432 433/* Traverse a hash table in a random order, calling a function on each 434 element. If the function returns FALSE, the traversal stops. The 435 INFO argument is passed to the function. */ 436extern void bfd_hash_traverse 437 (struct bfd_hash_table *, 438 bfd_boolean (*) (struct bfd_hash_entry *, void *), 439 void *info); 440 441/* Allows the default size of a hash table to be configured. New hash 442 tables allocated using bfd_hash_table_init will be created with 443 this size. */ 444extern void bfd_hash_set_default_size (bfd_size_type); 445 446/* This structure is used to keep track of stabs in sections 447 information while linking. */ 448 449struct stab_info 450{ 451 /* A hash table used to hold stabs strings. */ 452 struct bfd_strtab_hash *strings; 453 /* The header file hash table. */ 454 struct bfd_hash_table includes; 455 /* The first .stabstr section. */ 456 struct bfd_section *stabstr; 457}; 458 459#define COFF_SWAP_TABLE (void *) &bfd_coff_std_swap_table 460 461/* User program access to BFD facilities. */ 462 463/* Direct I/O routines, for programs which know more about the object 464 file than BFD does. Use higher level routines if possible. */ 465 466extern bfd_size_type bfd_bread (void *, bfd_size_type, bfd *); 467extern bfd_size_type bfd_bwrite (const void *, bfd_size_type, bfd *); 468extern int bfd_seek (bfd *, file_ptr, int); 469extern file_ptr bfd_tell (bfd *); 470extern int bfd_flush (bfd *); 471extern int bfd_stat (bfd *, struct stat *); 472 473/* Deprecated old routines. */ 474#if __GNUC__ 475#define bfd_read(BUF, ELTSIZE, NITEMS, ABFD) \ 476 (warn_deprecated ("bfd_read", __FILE__, __LINE__, __FUNCTION__), \ 477 bfd_bread ((BUF), (ELTSIZE) * (NITEMS), (ABFD))) 478#define bfd_write(BUF, ELTSIZE, NITEMS, ABFD) \ 479 (warn_deprecated ("bfd_write", __FILE__, __LINE__, __FUNCTION__), \ 480 bfd_bwrite ((BUF), (ELTSIZE) * (NITEMS), (ABFD))) 481#else 482#define bfd_read(BUF, ELTSIZE, NITEMS, ABFD) \ 483 (warn_deprecated ("bfd_read", (const char *) 0, 0, (const char *) 0), \ 484 bfd_bread ((BUF), (ELTSIZE) * (NITEMS), (ABFD))) 485#define bfd_write(BUF, ELTSIZE, NITEMS, ABFD) \ 486 (warn_deprecated ("bfd_write", (const char *) 0, 0, (const char *) 0),\ 487 bfd_bwrite ((BUF), (ELTSIZE) * (NITEMS), (ABFD))) 488#endif 489extern void warn_deprecated (const char *, const char *, int, const char *); 490 491/* Cast from const char * to char * so that caller can assign to 492 a char * without a warning. */ 493#define bfd_get_filename(abfd) ((char *) (abfd)->filename) 494#define bfd_get_cacheable(abfd) ((abfd)->cacheable) 495#define bfd_get_format(abfd) ((abfd)->format) 496#define bfd_get_target(abfd) ((abfd)->xvec->name) 497#define bfd_get_flavour(abfd) ((abfd)->xvec->flavour) 498#define bfd_family_coff(abfd) \ 499 (bfd_get_flavour (abfd) == bfd_target_coff_flavour || \ 500 bfd_get_flavour (abfd) == bfd_target_xcoff_flavour) 501#define bfd_big_endian(abfd) ((abfd)->xvec->byteorder == BFD_ENDIAN_BIG) 502#define bfd_little_endian(abfd) ((abfd)->xvec->byteorder == BFD_ENDIAN_LITTLE) 503#define bfd_header_big_endian(abfd) \ 504 ((abfd)->xvec->header_byteorder == BFD_ENDIAN_BIG) 505#define bfd_header_little_endian(abfd) \ 506 ((abfd)->xvec->header_byteorder == BFD_ENDIAN_LITTLE) 507#define bfd_get_file_flags(abfd) ((abfd)->flags) 508#define bfd_applicable_file_flags(abfd) ((abfd)->xvec->object_flags) 509#define bfd_applicable_section_flags(abfd) ((abfd)->xvec->section_flags) 510#define bfd_my_archive(abfd) ((abfd)->my_archive) 511#define bfd_has_map(abfd) ((abfd)->has_armap) 512 513#define bfd_valid_reloc_types(abfd) ((abfd)->xvec->valid_reloc_types) 514#define bfd_usrdata(abfd) ((abfd)->usrdata) 515 516#define bfd_get_start_address(abfd) ((abfd)->start_address) 517#define bfd_get_symcount(abfd) ((abfd)->symcount) 518#define bfd_get_outsymbols(abfd) ((abfd)->outsymbols) 519#define bfd_count_sections(abfd) ((abfd)->section_count) 520 521#define bfd_get_dynamic_symcount(abfd) ((abfd)->dynsymcount) 522 523#define bfd_get_symbol_leading_char(abfd) ((abfd)->xvec->symbol_leading_char) 524 525#define bfd_set_cacheable(abfd,bool) (((abfd)->cacheable = bool), TRUE) 526 527extern bfd_boolean bfd_cache_close 528 (bfd *abfd); 529/* NB: This declaration should match the autogenerated one in libbfd.h. */ 530 531extern bfd_boolean bfd_cache_close_all (void); 532 533extern bfd_boolean bfd_record_phdr 534 (bfd *, unsigned long, bfd_boolean, flagword, bfd_boolean, bfd_vma, 535 bfd_boolean, bfd_boolean, unsigned int, struct bfd_section **); 536 537/* Byte swapping routines. */ 538 539bfd_uint64_t bfd_getb64 (const void *); 540bfd_uint64_t bfd_getl64 (const void *); 541bfd_int64_t bfd_getb_signed_64 (const void *); 542bfd_int64_t bfd_getl_signed_64 (const void *); 543bfd_vma bfd_getb32 (const void *); 544bfd_vma bfd_getl32 (const void *); 545bfd_signed_vma bfd_getb_signed_32 (const void *); 546bfd_signed_vma bfd_getl_signed_32 (const void *); 547bfd_vma bfd_getb16 (const void *); 548bfd_vma bfd_getl16 (const void *); 549bfd_signed_vma bfd_getb_signed_16 (const void *); 550bfd_signed_vma bfd_getl_signed_16 (const void *); 551void bfd_putb64 (bfd_uint64_t, void *); 552void bfd_putl64 (bfd_uint64_t, void *); 553void bfd_putb32 (bfd_vma, void *); 554void bfd_putl32 (bfd_vma, void *); 555void bfd_putb16 (bfd_vma, void *); 556void bfd_putl16 (bfd_vma, void *); 557 558/* Byte swapping routines which take size and endiannes as arguments. */ 559 560bfd_uint64_t bfd_get_bits (const void *, int, bfd_boolean); 561void bfd_put_bits (bfd_uint64_t, void *, int, bfd_boolean); 562 563extern bfd_boolean bfd_section_already_linked_table_init (void); 564extern void bfd_section_already_linked_table_free (void); 565 566/* Externally visible ECOFF routines. */ 567 568#if defined(__STDC__) || defined(ALMOST_STDC) 569struct ecoff_debug_info; 570struct ecoff_debug_swap; 571struct ecoff_extr; 572struct bfd_symbol; 573struct bfd_link_info; 574struct bfd_link_hash_entry; 575struct bfd_elf_version_tree; 576#endif 577extern bfd_vma bfd_ecoff_get_gp_value 578 (bfd * abfd); 579extern bfd_boolean bfd_ecoff_set_gp_value 580 (bfd *abfd, bfd_vma gp_value); 581extern bfd_boolean bfd_ecoff_set_regmasks 582 (bfd *abfd, unsigned long gprmask, unsigned long fprmask, 583 unsigned long *cprmask); 584extern void *bfd_ecoff_debug_init 585 (bfd *output_bfd, struct ecoff_debug_info *output_debug, 586 const struct ecoff_debug_swap *output_swap, struct bfd_link_info *); 587extern void bfd_ecoff_debug_free 588 (void *handle, bfd *output_bfd, struct ecoff_debug_info *output_debug, 589 const struct ecoff_debug_swap *output_swap, struct bfd_link_info *); 590extern bfd_boolean bfd_ecoff_debug_accumulate 591 (void *handle, bfd *output_bfd, struct ecoff_debug_info *output_debug, 592 const struct ecoff_debug_swap *output_swap, bfd *input_bfd, 593 struct ecoff_debug_info *input_debug, 594 const struct ecoff_debug_swap *input_swap, struct bfd_link_info *); 595extern bfd_boolean bfd_ecoff_debug_accumulate_other 596 (void *handle, bfd *output_bfd, struct ecoff_debug_info *output_debug, 597 const struct ecoff_debug_swap *output_swap, bfd *input_bfd, 598 struct bfd_link_info *); 599extern bfd_boolean bfd_ecoff_debug_externals 600 (bfd *abfd, struct ecoff_debug_info *debug, 601 const struct ecoff_debug_swap *swap, bfd_boolean relocatable, 602 bfd_boolean (*get_extr) (struct bfd_symbol *, struct ecoff_extr *), 603 void (*set_index) (struct bfd_symbol *, bfd_size_type)); 604extern bfd_boolean bfd_ecoff_debug_one_external 605 (bfd *abfd, struct ecoff_debug_info *debug, 606 const struct ecoff_debug_swap *swap, const char *name, 607 struct ecoff_extr *esym); 608extern bfd_size_type bfd_ecoff_debug_size 609 (bfd *abfd, struct ecoff_debug_info *debug, 610 const struct ecoff_debug_swap *swap); 611extern bfd_boolean bfd_ecoff_write_debug 612 (bfd *abfd, struct ecoff_debug_info *debug, 613 const struct ecoff_debug_swap *swap, file_ptr where); 614extern bfd_boolean bfd_ecoff_write_accumulated_debug 615 (void *handle, bfd *abfd, struct ecoff_debug_info *debug, 616 const struct ecoff_debug_swap *swap, 617 struct bfd_link_info *info, file_ptr where); 618 619/* Externally visible ELF routines. */ 620 621struct bfd_link_needed_list 622{ 623 struct bfd_link_needed_list *next; 624 bfd *by; 625 const char *name; 626}; 627 628enum dynamic_lib_link_class { 629 DYN_NORMAL = 0, 630 DYN_AS_NEEDED = 1, 631 DYN_DT_NEEDED = 2, 632 DYN_NO_ADD_NEEDED = 4, 633 DYN_NO_NEEDED = 8 634}; 635 636extern bfd_boolean bfd_elf_record_link_assignment 637 (bfd *, struct bfd_link_info *, const char *, bfd_boolean); 638extern struct bfd_link_needed_list *bfd_elf_get_needed_list 639 (bfd *, struct bfd_link_info *); 640extern bfd_boolean bfd_elf_get_bfd_needed_list 641 (bfd *, struct bfd_link_needed_list **); 642extern bfd_boolean bfd_elf_size_dynamic_sections 643 (bfd *, const char *, const char *, const char *, const char * const *, 644 struct bfd_link_info *, struct bfd_section **, struct bfd_elf_version_tree *); 645extern void bfd_elf_set_dt_needed_name 646 (bfd *, const char *); 647extern const char *bfd_elf_get_dt_soname 648 (bfd *); 649extern void bfd_elf_set_dyn_lib_class 650 (bfd *, int); 651extern int bfd_elf_get_dyn_lib_class 652 (bfd *); 653extern struct bfd_link_needed_list *bfd_elf_get_runpath_list 654 (bfd *, struct bfd_link_info *); 655extern bfd_boolean bfd_elf_discard_info 656 (bfd *, struct bfd_link_info *); 657 658/* Return an upper bound on the number of bytes required to store a 659 copy of ABFD's program header table entries. Return -1 if an error 660 occurs; bfd_get_error will return an appropriate code. */ 661extern long bfd_get_elf_phdr_upper_bound 662 (bfd *abfd); 663 664/* Copy ABFD's program header table entries to *PHDRS. The entries 665 will be stored as an array of Elf_Internal_Phdr structures, as 666 defined in include/elf/internal.h. To find out how large the 667 buffer needs to be, call bfd_get_elf_phdr_upper_bound. 668 669 Return the number of program header table entries read, or -1 if an 670 error occurs; bfd_get_error will return an appropriate code. */ 671extern int bfd_get_elf_phdrs 672 (bfd *abfd, void *phdrs); 673 674/* Create a new BFD as if by bfd_openr. Rather than opening a file, 675 reconstruct an ELF file by reading the segments out of remote memory 676 based on the ELF file header at EHDR_VMA and the ELF program headers it 677 points to. If not null, *LOADBASEP is filled in with the difference 678 between the VMAs from which the segments were read, and the VMAs the 679 file headers (and hence BFD's idea of each section's VMA) put them at. 680 681 The function TARGET_READ_MEMORY is called to copy LEN bytes from the 682 remote memory at target address VMA into the local buffer at MYADDR; it 683 should return zero on success or an `errno' code on failure. TEMPL must 684 be a BFD for an ELF target with the word size and byte order found in 685 the remote memory. */ 686extern bfd *bfd_elf_bfd_from_remote_memory 687 (bfd *templ, bfd_vma ehdr_vma, bfd_vma *loadbasep, 688 int (*target_read_memory) (bfd_vma vma, char *myaddr, int len)); 689 690/* Return the arch_size field of an elf bfd, or -1 if not elf. */ 691extern int bfd_get_arch_size 692 (bfd *); 693 694/* Return TRUE if address "naturally" sign extends, or -1 if not elf. */ 695extern int bfd_get_sign_extend_vma 696 (bfd *); 697 698extern struct bfd_section *_bfd_elf_tls_setup 699 (bfd *, struct bfd_link_info *); 700 701extern bfd_boolean bfd_m68k_elf32_create_embedded_relocs 702 (bfd *, struct bfd_link_info *, struct bfd_section *, struct bfd_section *, char **); 703 704/* SunOS shared library support routines for the linker. */ 705 706extern struct bfd_link_needed_list *bfd_sunos_get_needed_list 707 (bfd *, struct bfd_link_info *); 708extern bfd_boolean bfd_sunos_record_link_assignment 709 (bfd *, struct bfd_link_info *, const char *); 710extern bfd_boolean bfd_sunos_size_dynamic_sections 711 (bfd *, struct bfd_link_info *, struct bfd_section **, struct bfd_section **, struct bfd_section **); 712 713/* Linux shared library support routines for the linker. */ 714 715extern bfd_boolean bfd_i386linux_size_dynamic_sections 716 (bfd *, struct bfd_link_info *); 717extern bfd_boolean bfd_m68klinux_size_dynamic_sections 718 (bfd *, struct bfd_link_info *); 719extern bfd_boolean bfd_sparclinux_size_dynamic_sections 720 (bfd *, struct bfd_link_info *); 721 722/* mmap hacks */ 723 724struct _bfd_window_internal; 725typedef struct _bfd_window_internal bfd_window_internal; 726 727typedef struct _bfd_window 728{ 729 /* What the user asked for. */ 730 void *data; 731 bfd_size_type size; 732 /* The actual window used by BFD. Small user-requested read-only 733 regions sharing a page may share a single window into the object 734 file. Read-write versions shouldn't until I've fixed things to 735 keep track of which portions have been claimed by the 736 application; don't want to give the same region back when the 737 application wants two writable copies! */ 738 struct _bfd_window_internal *i; 739} 740bfd_window; 741 742extern void bfd_init_window 743 (bfd_window *); 744extern void bfd_free_window 745 (bfd_window *); 746extern bfd_boolean bfd_get_file_window 747 (bfd *, file_ptr, bfd_size_type, bfd_window *, bfd_boolean); 748 749/* XCOFF support routines for the linker. */ 750 751extern bfd_boolean bfd_xcoff_link_record_set 752 (bfd *, struct bfd_link_info *, struct bfd_link_hash_entry *, bfd_size_type); 753extern bfd_boolean bfd_xcoff_import_symbol 754 (bfd *, struct bfd_link_info *, struct bfd_link_hash_entry *, bfd_vma, 755 const char *, const char *, const char *, unsigned int); 756extern bfd_boolean bfd_xcoff_export_symbol 757 (bfd *, struct bfd_link_info *, struct bfd_link_hash_entry *); 758extern bfd_boolean bfd_xcoff_link_count_reloc 759 (bfd *, struct bfd_link_info *, const char *); 760extern bfd_boolean bfd_xcoff_record_link_assignment 761 (bfd *, struct bfd_link_info *, const char *); 762extern bfd_boolean bfd_xcoff_size_dynamic_sections 763 (bfd *, struct bfd_link_info *, const char *, const char *, 764 unsigned long, unsigned long, unsigned long, bfd_boolean, 765 int, bfd_boolean, bfd_boolean, struct bfd_section **, bfd_boolean); 766extern bfd_boolean bfd_xcoff_link_generate_rtinit 767 (bfd *, const char *, const char *, bfd_boolean); 768 769/* XCOFF support routines for ar. */ 770extern bfd_boolean bfd_xcoff_ar_archive_set_magic 771 (bfd *, char *); 772 773/* Externally visible COFF routines. */ 774 775#if defined(__STDC__) || defined(ALMOST_STDC) 776struct internal_syment; 777union internal_auxent; 778#endif 779 780extern bfd_boolean bfd_coff_get_syment 781 (bfd *, struct bfd_symbol *, struct internal_syment *); 782 783extern bfd_boolean bfd_coff_get_auxent 784 (bfd *, struct bfd_symbol *, int, union internal_auxent *); 785 786extern bfd_boolean bfd_coff_set_symbol_class 787 (bfd *, struct bfd_symbol *, unsigned int); 788 789extern bfd_boolean bfd_m68k_coff_create_embedded_relocs 790 (bfd *, struct bfd_link_info *, struct bfd_section *, struct bfd_section *, char **); 791 792/* ARM Interworking support. Called from linker. */ 793extern bfd_boolean bfd_arm_allocate_interworking_sections 794 (struct bfd_link_info *); 795 796extern bfd_boolean bfd_arm_process_before_allocation 797 (bfd *, struct bfd_link_info *, int); 798 799extern bfd_boolean bfd_arm_get_bfd_for_interworking 800 (bfd *, struct bfd_link_info *); 801 802/* PE ARM Interworking support. Called from linker. */ 803extern bfd_boolean bfd_arm_pe_allocate_interworking_sections 804 (struct bfd_link_info *); 805 806extern bfd_boolean bfd_arm_pe_process_before_allocation 807 (bfd *, struct bfd_link_info *, int); 808 809extern bfd_boolean bfd_arm_pe_get_bfd_for_interworking 810 (bfd *, struct bfd_link_info *); 811 812/* ELF ARM Interworking support. Called from linker. */ 813extern bfd_boolean bfd_elf32_arm_allocate_interworking_sections 814 (struct bfd_link_info *); 815 816extern bfd_boolean bfd_elf32_arm_process_before_allocation 817 (bfd *, struct bfd_link_info *, int, int); 818 819void bfd_elf32_arm_set_target_relocs 820 (struct bfd_link_info *, int, char *); 821 822extern bfd_boolean bfd_elf32_arm_get_bfd_for_interworking 823 (bfd *, struct bfd_link_info *); 824 825extern bfd_boolean bfd_elf32_arm_add_glue_sections_to_bfd 826 (bfd *, struct bfd_link_info *); 827 828/* ARM Note section processing. */ 829extern bfd_boolean bfd_arm_merge_machines 830 (bfd *, bfd *); 831 832extern bfd_boolean bfd_arm_update_notes 833 (bfd *, const char *); 834 835extern unsigned int bfd_arm_get_mach_from_notes 836 (bfd *, const char *); 837 838/* TI COFF load page support. */ 839extern void bfd_ticoff_set_section_load_page 840 (struct bfd_section *, int); 841 842extern int bfd_ticoff_get_section_load_page 843 (struct bfd_section *); 844 845/* H8/300 functions. */ 846extern bfd_vma bfd_h8300_pad_address 847 (bfd *, bfd_vma); 848 849/* IA64 Itanium code generation. Called from linker. */ 850extern void bfd_elf32_ia64_after_parse 851 (int); 852 853extern void bfd_elf64_ia64_after_parse 854 (int); 855 856/* This structure is used for a comdat section, as in PE. A comdat 857 section is associated with a particular symbol. When the linker 858 sees a comdat section, it keeps only one of the sections with a 859 given name and associated with a given symbol. */ 860 861struct coff_comdat_info 862{ 863 /* The name of the symbol associated with a comdat section. */ 864 const char *name; 865 866 /* The local symbol table index of the symbol associated with a 867 comdat section. This is only meaningful to the object file format 868 specific code; it is not an index into the list returned by 869 bfd_canonicalize_symtab. */ 870 long symbol; 871}; 872 873extern struct coff_comdat_info *bfd_coff_get_comdat_section 874 (bfd *, struct bfd_section *); 875 876