bfd-in.h revision 130562
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) (bfd_get_section_size_before_reloc(ptr)) 312#define bfd_section_vma(bfd, ptr) ((ptr)->vma) 313#define bfd_section_lma(bfd, ptr) ((ptr)->lma) 314#define bfd_section_alignment(bfd, ptr) ((ptr)->alignment_power) 315#define bfd_get_section_flags(bfd, ptr) ((ptr)->flags + 0) 316#define bfd_get_section_userdata(bfd, ptr) ((ptr)->userdata) 317 318#define bfd_is_com_section(ptr) (((ptr)->flags & SEC_IS_COMMON) != 0) 319 320#define bfd_set_section_vma(bfd, ptr, val) (((ptr)->vma = (ptr)->lma = (val)), ((ptr)->user_set_vma = TRUE), TRUE) 321#define bfd_set_section_alignment(bfd, ptr, val) (((ptr)->alignment_power = (val)),TRUE) 322#define bfd_set_section_userdata(bfd, ptr, val) (((ptr)->userdata = (val)),TRUE) 323 324typedef struct stat stat_type; 325 326typedef enum bfd_print_symbol 327{ 328 bfd_print_symbol_name, 329 bfd_print_symbol_more, 330 bfd_print_symbol_all 331} bfd_print_symbol_type; 332 333/* Information about a symbol that nm needs. */ 334 335typedef struct _symbol_info 336{ 337 symvalue value; 338 char type; 339 const char *name; /* Symbol name. */ 340 unsigned char stab_type; /* Stab type. */ 341 char stab_other; /* Stab other. */ 342 short stab_desc; /* Stab desc. */ 343 const char *stab_name; /* String for stab type. */ 344} symbol_info; 345 346/* Get the name of a stabs type code. */ 347 348extern const char *bfd_get_stab_name (int); 349 350/* Hash table routines. There is no way to free up a hash table. */ 351 352/* An element in the hash table. Most uses will actually use a larger 353 structure, and an instance of this will be the first field. */ 354 355struct bfd_hash_entry 356{ 357 /* Next entry for this hash code. */ 358 struct bfd_hash_entry *next; 359 /* String being hashed. */ 360 const char *string; 361 /* Hash code. This is the full hash code, not the index into the 362 table. */ 363 unsigned long hash; 364}; 365 366/* A hash table. */ 367 368struct bfd_hash_table 369{ 370 /* The hash array. */ 371 struct bfd_hash_entry **table; 372 /* The number of slots in the hash table. */ 373 unsigned int size; 374 /* A function used to create new elements in the hash table. The 375 first entry is itself a pointer to an element. When this 376 function is first invoked, this pointer will be NULL. However, 377 having the pointer permits a hierarchy of method functions to be 378 built each of which calls the function in the superclass. Thus 379 each function should be written to allocate a new block of memory 380 only if the argument is NULL. */ 381 struct bfd_hash_entry *(*newfunc) 382 (struct bfd_hash_entry *, struct bfd_hash_table *, const char *); 383 /* An objalloc for this hash table. This is a struct objalloc *, 384 but we use void * to avoid requiring the inclusion of objalloc.h. */ 385 void *memory; 386}; 387 388/* Initialize a hash table. */ 389extern bfd_boolean bfd_hash_table_init 390 (struct bfd_hash_table *, 391 struct bfd_hash_entry *(*) (struct bfd_hash_entry *, 392 struct bfd_hash_table *, 393 const char *)); 394 395/* Initialize a hash table specifying a size. */ 396extern bfd_boolean bfd_hash_table_init_n 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 size); 402 403/* Free up a hash table. */ 404extern void bfd_hash_table_free 405 (struct bfd_hash_table *); 406 407/* Look up a string in a hash table. If CREATE is TRUE, a new entry 408 will be created for this string if one does not already exist. The 409 COPY argument must be TRUE if this routine should copy the string 410 into newly allocated memory when adding an entry. */ 411extern struct bfd_hash_entry *bfd_hash_lookup 412 (struct bfd_hash_table *, const char *, bfd_boolean create, 413 bfd_boolean copy); 414 415/* Replace an entry in a hash table. */ 416extern void bfd_hash_replace 417 (struct bfd_hash_table *, struct bfd_hash_entry *old, 418 struct bfd_hash_entry *nw); 419 420/* Base method for creating a hash table entry. */ 421extern struct bfd_hash_entry *bfd_hash_newfunc 422 (struct bfd_hash_entry *, struct bfd_hash_table *, const char *); 423 424/* Grab some space for a hash table entry. */ 425extern void *bfd_hash_allocate 426 (struct bfd_hash_table *, unsigned int); 427 428/* Traverse a hash table in a random order, calling a function on each 429 element. If the function returns FALSE, the traversal stops. The 430 INFO argument is passed to the function. */ 431extern void bfd_hash_traverse 432 (struct bfd_hash_table *, 433 bfd_boolean (*) (struct bfd_hash_entry *, void *), 434 void *info); 435 436#define COFF_SWAP_TABLE (void *) &bfd_coff_std_swap_table 437 438/* User program access to BFD facilities. */ 439 440/* Direct I/O routines, for programs which know more about the object 441 file than BFD does. Use higher level routines if possible. */ 442 443extern bfd_size_type bfd_bread (void *, bfd_size_type, bfd *); 444extern bfd_size_type bfd_bwrite (const void *, bfd_size_type, bfd *); 445extern int bfd_seek (bfd *, file_ptr, int); 446extern file_ptr bfd_tell (bfd *); 447extern int bfd_flush (bfd *); 448extern int bfd_stat (bfd *, struct stat *); 449 450/* Deprecated old routines. */ 451#if __GNUC__ 452#define bfd_read(BUF, ELTSIZE, NITEMS, ABFD) \ 453 (warn_deprecated ("bfd_read", __FILE__, __LINE__, __FUNCTION__), \ 454 bfd_bread ((BUF), (ELTSIZE) * (NITEMS), (ABFD))) 455#define bfd_write(BUF, ELTSIZE, NITEMS, ABFD) \ 456 (warn_deprecated ("bfd_write", __FILE__, __LINE__, __FUNCTION__), \ 457 bfd_bwrite ((BUF), (ELTSIZE) * (NITEMS), (ABFD))) 458#else 459#define bfd_read(BUF, ELTSIZE, NITEMS, ABFD) \ 460 (warn_deprecated ("bfd_read", (const char *) 0, 0, (const char *) 0), \ 461 bfd_bread ((BUF), (ELTSIZE) * (NITEMS), (ABFD))) 462#define bfd_write(BUF, ELTSIZE, NITEMS, ABFD) \ 463 (warn_deprecated ("bfd_write", (const char *) 0, 0, (const char *) 0),\ 464 bfd_bwrite ((BUF), (ELTSIZE) * (NITEMS), (ABFD))) 465#endif 466extern void warn_deprecated (const char *, const char *, int, const char *); 467 468/* Cast from const char * to char * so that caller can assign to 469 a char * without a warning. */ 470#define bfd_get_filename(abfd) ((char *) (abfd)->filename) 471#define bfd_get_cacheable(abfd) ((abfd)->cacheable) 472#define bfd_get_format(abfd) ((abfd)->format) 473#define bfd_get_target(abfd) ((abfd)->xvec->name) 474#define bfd_get_flavour(abfd) ((abfd)->xvec->flavour) 475#define bfd_family_coff(abfd) \ 476 (bfd_get_flavour (abfd) == bfd_target_coff_flavour || \ 477 bfd_get_flavour (abfd) == bfd_target_xcoff_flavour) 478#define bfd_big_endian(abfd) ((abfd)->xvec->byteorder == BFD_ENDIAN_BIG) 479#define bfd_little_endian(abfd) ((abfd)->xvec->byteorder == BFD_ENDIAN_LITTLE) 480#define bfd_header_big_endian(abfd) \ 481 ((abfd)->xvec->header_byteorder == BFD_ENDIAN_BIG) 482#define bfd_header_little_endian(abfd) \ 483 ((abfd)->xvec->header_byteorder == BFD_ENDIAN_LITTLE) 484#define bfd_get_file_flags(abfd) ((abfd)->flags) 485#define bfd_applicable_file_flags(abfd) ((abfd)->xvec->object_flags) 486#define bfd_applicable_section_flags(abfd) ((abfd)->xvec->section_flags) 487#define bfd_my_archive(abfd) ((abfd)->my_archive) 488#define bfd_has_map(abfd) ((abfd)->has_armap) 489 490#define bfd_valid_reloc_types(abfd) ((abfd)->xvec->valid_reloc_types) 491#define bfd_usrdata(abfd) ((abfd)->usrdata) 492 493#define bfd_get_start_address(abfd) ((abfd)->start_address) 494#define bfd_get_symcount(abfd) ((abfd)->symcount) 495#define bfd_get_outsymbols(abfd) ((abfd)->outsymbols) 496#define bfd_count_sections(abfd) ((abfd)->section_count) 497 498#define bfd_get_dynamic_symcount(abfd) ((abfd)->dynsymcount) 499 500#define bfd_get_symbol_leading_char(abfd) ((abfd)->xvec->symbol_leading_char) 501 502#define bfd_set_cacheable(abfd,bool) (((abfd)->cacheable = bool), TRUE) 503 504extern bfd_boolean bfd_cache_close 505 (bfd *abfd); 506/* NB: This declaration should match the autogenerated one in libbfd.h. */ 507 508extern bfd_boolean bfd_record_phdr 509 (bfd *, unsigned long, bfd_boolean, flagword, bfd_boolean, bfd_vma, 510 bfd_boolean, bfd_boolean, unsigned int, struct bfd_section **); 511 512/* Byte swapping routines. */ 513 514bfd_uint64_t bfd_getb64 (const void *); 515bfd_uint64_t bfd_getl64 (const void *); 516bfd_int64_t bfd_getb_signed_64 (const void *); 517bfd_int64_t bfd_getl_signed_64 (const void *); 518bfd_vma bfd_getb32 (const void *); 519bfd_vma bfd_getl32 (const void *); 520bfd_signed_vma bfd_getb_signed_32 (const void *); 521bfd_signed_vma bfd_getl_signed_32 (const void *); 522bfd_vma bfd_getb16 (const void *); 523bfd_vma bfd_getl16 (const void *); 524bfd_signed_vma bfd_getb_signed_16 (const void *); 525bfd_signed_vma bfd_getl_signed_16 (const void *); 526void bfd_putb64 (bfd_uint64_t, void *); 527void bfd_putl64 (bfd_uint64_t, void *); 528void bfd_putb32 (bfd_vma, void *); 529void bfd_putl32 (bfd_vma, void *); 530void bfd_putb16 (bfd_vma, void *); 531void bfd_putl16 (bfd_vma, void *); 532 533/* Byte swapping routines which take size and endiannes as arguments. */ 534 535bfd_uint64_t bfd_get_bits (const void *, int, bfd_boolean); 536void bfd_put_bits (bfd_uint64_t, void *, int, bfd_boolean); 537 538/* Externally visible ECOFF routines. */ 539 540#if defined(__STDC__) || defined(ALMOST_STDC) 541struct ecoff_debug_info; 542struct ecoff_debug_swap; 543struct ecoff_extr; 544struct bfd_symbol; 545struct bfd_link_info; 546struct bfd_link_hash_entry; 547struct bfd_elf_version_tree; 548#endif 549extern bfd_vma bfd_ecoff_get_gp_value 550 (bfd * abfd); 551extern bfd_boolean bfd_ecoff_set_gp_value 552 (bfd *abfd, bfd_vma gp_value); 553extern bfd_boolean bfd_ecoff_set_regmasks 554 (bfd *abfd, unsigned long gprmask, unsigned long fprmask, 555 unsigned long *cprmask); 556extern void *bfd_ecoff_debug_init 557 (bfd *output_bfd, struct ecoff_debug_info *output_debug, 558 const struct ecoff_debug_swap *output_swap, struct bfd_link_info *); 559extern void bfd_ecoff_debug_free 560 (void *handle, bfd *output_bfd, struct ecoff_debug_info *output_debug, 561 const struct ecoff_debug_swap *output_swap, struct bfd_link_info *); 562extern bfd_boolean bfd_ecoff_debug_accumulate 563 (void *handle, bfd *output_bfd, struct ecoff_debug_info *output_debug, 564 const struct ecoff_debug_swap *output_swap, bfd *input_bfd, 565 struct ecoff_debug_info *input_debug, 566 const struct ecoff_debug_swap *input_swap, struct bfd_link_info *); 567extern bfd_boolean bfd_ecoff_debug_accumulate_other 568 (void *handle, bfd *output_bfd, struct ecoff_debug_info *output_debug, 569 const struct ecoff_debug_swap *output_swap, bfd *input_bfd, 570 struct bfd_link_info *); 571extern bfd_boolean bfd_ecoff_debug_externals 572 (bfd *abfd, struct ecoff_debug_info *debug, 573 const struct ecoff_debug_swap *swap, bfd_boolean relocatable, 574 bfd_boolean (*get_extr) (struct bfd_symbol *, struct ecoff_extr *), 575 void (*set_index) (struct bfd_symbol *, bfd_size_type)); 576extern bfd_boolean bfd_ecoff_debug_one_external 577 (bfd *abfd, struct ecoff_debug_info *debug, 578 const struct ecoff_debug_swap *swap, const char *name, 579 struct ecoff_extr *esym); 580extern bfd_size_type bfd_ecoff_debug_size 581 (bfd *abfd, struct ecoff_debug_info *debug, 582 const struct ecoff_debug_swap *swap); 583extern bfd_boolean bfd_ecoff_write_debug 584 (bfd *abfd, struct ecoff_debug_info *debug, 585 const struct ecoff_debug_swap *swap, file_ptr where); 586extern bfd_boolean bfd_ecoff_write_accumulated_debug 587 (void *handle, bfd *abfd, struct ecoff_debug_info *debug, 588 const struct ecoff_debug_swap *swap, 589 struct bfd_link_info *info, file_ptr where); 590extern bfd_boolean bfd_mips_ecoff_create_embedded_relocs 591 (bfd *, struct bfd_link_info *, struct bfd_section *, struct bfd_section *, char **); 592 593/* Externally visible ELF routines. */ 594 595struct bfd_link_needed_list 596{ 597 struct bfd_link_needed_list *next; 598 bfd *by; 599 const char *name; 600}; 601 602enum dynamic_lib_link_class { 603 DYN_NORMAL = 0, 604 DYN_AS_NEEDED = 1, 605 DYN_DT_NEEDED = 2 606}; 607 608extern bfd_boolean bfd_elf_record_link_assignment 609 (bfd *, struct bfd_link_info *, const char *, bfd_boolean); 610extern struct bfd_link_needed_list *bfd_elf_get_needed_list 611 (bfd *, struct bfd_link_info *); 612extern bfd_boolean bfd_elf_get_bfd_needed_list 613 (bfd *, struct bfd_link_needed_list **); 614extern bfd_boolean bfd_elf_size_dynamic_sections 615 (bfd *, const char *, const char *, const char *, const char * const *, 616 struct bfd_link_info *, struct bfd_section **, struct bfd_elf_version_tree *); 617extern void bfd_elf_set_dt_needed_name 618 (bfd *, const char *); 619extern const char *bfd_elf_get_dt_soname 620 (bfd *); 621extern void bfd_elf_set_dyn_lib_class 622 (bfd *, int); 623extern struct bfd_link_needed_list *bfd_elf_get_runpath_list 624 (bfd *, struct bfd_link_info *); 625extern bfd_boolean bfd_elf_discard_info 626 (bfd *, struct bfd_link_info *); 627 628/* Return an upper bound on the number of bytes required to store a 629 copy of ABFD's program header table entries. Return -1 if an error 630 occurs; bfd_get_error will return an appropriate code. */ 631extern long bfd_get_elf_phdr_upper_bound 632 (bfd *abfd); 633 634/* Copy ABFD's program header table entries to *PHDRS. The entries 635 will be stored as an array of Elf_Internal_Phdr structures, as 636 defined in include/elf/internal.h. To find out how large the 637 buffer needs to be, call bfd_get_elf_phdr_upper_bound. 638 639 Return the number of program header table entries read, or -1 if an 640 error occurs; bfd_get_error will return an appropriate code. */ 641extern int bfd_get_elf_phdrs 642 (bfd *abfd, void *phdrs); 643 644/* Create a new BFD as if by bfd_openr. Rather than opening a file, 645 reconstruct an ELF file by reading the segments out of remote memory 646 based on the ELF file header at EHDR_VMA and the ELF program headers it 647 points to. If not null, *LOADBASEP is filled in with the difference 648 between the VMAs from which the segments were read, and the VMAs the 649 file headers (and hence BFD's idea of each section's VMA) put them at. 650 651 The function TARGET_READ_MEMORY is called to copy LEN bytes from the 652 remote memory at target address VMA into the local buffer at MYADDR; it 653 should return zero on success or an `errno' code on failure. TEMPL must 654 be a BFD for an ELF target with the word size and byte order found in 655 the remote memory. */ 656extern bfd *bfd_elf_bfd_from_remote_memory 657 (bfd *templ, bfd_vma ehdr_vma, bfd_vma *loadbasep, 658 int (*target_read_memory) (bfd_vma vma, char *myaddr, int len)); 659 660/* Return the arch_size field of an elf bfd, or -1 if not elf. */ 661extern int bfd_get_arch_size 662 (bfd *); 663 664/* Return TRUE if address "naturally" sign extends, or -1 if not elf. */ 665extern int bfd_get_sign_extend_vma 666 (bfd *); 667 668extern struct bfd_section *_bfd_elf_tls_setup 669 (bfd *, struct bfd_link_info *); 670 671extern bfd_boolean bfd_m68k_elf32_create_embedded_relocs 672 (bfd *, struct bfd_link_info *, struct bfd_section *, struct bfd_section *, char **); 673extern bfd_boolean bfd_mips_elf32_create_embedded_relocs 674 (bfd *, struct bfd_link_info *, struct bfd_section *, struct bfd_section *, char **); 675 676/* SunOS shared library support routines for the linker. */ 677 678extern struct bfd_link_needed_list *bfd_sunos_get_needed_list 679 (bfd *, struct bfd_link_info *); 680extern bfd_boolean bfd_sunos_record_link_assignment 681 (bfd *, struct bfd_link_info *, const char *); 682extern bfd_boolean bfd_sunos_size_dynamic_sections 683 (bfd *, struct bfd_link_info *, struct bfd_section **, struct bfd_section **, struct bfd_section **); 684 685/* Linux shared library support routines for the linker. */ 686 687extern bfd_boolean bfd_i386linux_size_dynamic_sections 688 (bfd *, struct bfd_link_info *); 689extern bfd_boolean bfd_m68klinux_size_dynamic_sections 690 (bfd *, struct bfd_link_info *); 691extern bfd_boolean bfd_sparclinux_size_dynamic_sections 692 (bfd *, struct bfd_link_info *); 693 694/* mmap hacks */ 695 696struct _bfd_window_internal; 697typedef struct _bfd_window_internal bfd_window_internal; 698 699typedef struct _bfd_window 700{ 701 /* What the user asked for. */ 702 void *data; 703 bfd_size_type size; 704 /* The actual window used by BFD. Small user-requested read-only 705 regions sharing a page may share a single window into the object 706 file. Read-write versions shouldn't until I've fixed things to 707 keep track of which portions have been claimed by the 708 application; don't want to give the same region back when the 709 application wants two writable copies! */ 710 struct _bfd_window_internal *i; 711} 712bfd_window; 713 714extern void bfd_init_window 715 (bfd_window *); 716extern void bfd_free_window 717 (bfd_window *); 718extern bfd_boolean bfd_get_file_window 719 (bfd *, file_ptr, bfd_size_type, bfd_window *, bfd_boolean); 720 721/* XCOFF support routines for the linker. */ 722 723extern bfd_boolean bfd_xcoff_link_record_set 724 (bfd *, struct bfd_link_info *, struct bfd_link_hash_entry *, bfd_size_type); 725extern bfd_boolean bfd_xcoff_import_symbol 726 (bfd *, struct bfd_link_info *, struct bfd_link_hash_entry *, bfd_vma, 727 const char *, const char *, const char *, unsigned int); 728extern bfd_boolean bfd_xcoff_export_symbol 729 (bfd *, struct bfd_link_info *, struct bfd_link_hash_entry *); 730extern bfd_boolean bfd_xcoff_link_count_reloc 731 (bfd *, struct bfd_link_info *, const char *); 732extern bfd_boolean bfd_xcoff_record_link_assignment 733 (bfd *, struct bfd_link_info *, const char *); 734extern bfd_boolean bfd_xcoff_size_dynamic_sections 735 (bfd *, struct bfd_link_info *, const char *, const char *, 736 unsigned long, unsigned long, unsigned long, bfd_boolean, 737 int, bfd_boolean, bfd_boolean, struct bfd_section **, bfd_boolean); 738extern bfd_boolean bfd_xcoff_link_generate_rtinit 739 (bfd *, const char *, const char *, bfd_boolean); 740 741/* XCOFF support routines for ar. */ 742extern bfd_boolean bfd_xcoff_ar_archive_set_magic 743 (bfd *, char *); 744 745/* Externally visible COFF routines. */ 746 747#if defined(__STDC__) || defined(ALMOST_STDC) 748struct internal_syment; 749union internal_auxent; 750#endif 751 752extern bfd_boolean bfd_coff_get_syment 753 (bfd *, struct bfd_symbol *, struct internal_syment *); 754 755extern bfd_boolean bfd_coff_get_auxent 756 (bfd *, struct bfd_symbol *, int, union internal_auxent *); 757 758extern bfd_boolean bfd_coff_set_symbol_class 759 (bfd *, struct bfd_symbol *, unsigned int); 760 761extern bfd_boolean bfd_m68k_coff_create_embedded_relocs 762 (bfd *, struct bfd_link_info *, struct bfd_section *, struct bfd_section *, char **); 763 764/* ARM Interworking support. Called from linker. */ 765extern bfd_boolean bfd_arm_allocate_interworking_sections 766 (struct bfd_link_info *); 767 768extern bfd_boolean bfd_arm_process_before_allocation 769 (bfd *, struct bfd_link_info *, int); 770 771extern bfd_boolean bfd_arm_get_bfd_for_interworking 772 (bfd *, struct bfd_link_info *); 773 774/* PE ARM Interworking support. Called from linker. */ 775extern bfd_boolean bfd_arm_pe_allocate_interworking_sections 776 (struct bfd_link_info *); 777 778extern bfd_boolean bfd_arm_pe_process_before_allocation 779 (bfd *, struct bfd_link_info *, int); 780 781extern bfd_boolean bfd_arm_pe_get_bfd_for_interworking 782 (bfd *, struct bfd_link_info *); 783 784/* ELF ARM Interworking support. Called from linker. */ 785extern bfd_boolean bfd_elf32_arm_allocate_interworking_sections 786 (struct bfd_link_info *); 787 788extern bfd_boolean bfd_elf32_arm_process_before_allocation 789 (bfd *, struct bfd_link_info *, int); 790 791extern bfd_boolean bfd_elf32_arm_get_bfd_for_interworking 792 (bfd *, struct bfd_link_info *); 793 794extern bfd_boolean bfd_elf32_arm_add_glue_sections_to_bfd 795 (bfd *, struct bfd_link_info *); 796 797/* ARM Note section processing. */ 798extern bfd_boolean bfd_arm_merge_machines 799 (bfd *, bfd *); 800 801extern bfd_boolean bfd_arm_update_notes 802 (bfd *, const char *); 803 804extern unsigned int bfd_arm_get_mach_from_notes 805 (bfd *, const char *); 806 807/* TI COFF load page support. */ 808extern void bfd_ticoff_set_section_load_page 809 (struct bfd_section *, int); 810 811extern int bfd_ticoff_get_section_load_page 812 (struct bfd_section *); 813 814/* H8/300 functions. */ 815extern bfd_vma bfd_h8300_pad_address 816 (bfd *, bfd_vma); 817 818/* IA64 Itanium code generation. Called from linker. */ 819extern void bfd_elf32_ia64_after_parse 820 (int); 821 822extern void bfd_elf64_ia64_after_parse 823 (int); 824 825