bfd-in.h revision 1.1.1.1
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, 2007, 2008 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 3 of the License, or 14 (at your option) any later version. 15 16 This program is distributed in the hope that it will be useful, 17 but WITHOUT ANY WARRANTY; without even the implied warranty of 18 MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the 19 GNU General Public License for more details. 20 21 You should have received a copy of the GNU General Public License 22 along with this program; if not, write to the Free Software 23 Foundation, Inc., 51 Franklin Street - Fifth Floor, Boston, MA 02110-1301, USA. */ 24 25#ifndef __BFD_H_SEEN__ 26#define __BFD_H_SEEN__ 27 28#ifdef __cplusplus 29extern "C" { 30#endif 31 32#include "ansidecl.h" 33#include "symcat.h" 34#if defined (__STDC__) || defined (ALMOST_STDC) || defined (HAVE_STRINGIZE) 35#ifndef SABER 36/* This hack is to avoid a problem with some strict ANSI C preprocessors. 37 The problem is, "32_" is not a valid preprocessing token, and we don't 38 want extra underscores (e.g., "nlm_32_"). The XCONCAT2 macro will 39 cause the inner CONCAT2 macros to be evaluated first, producing 40 still-valid pp-tokens. Then the final concatenation can be done. */ 41#undef CONCAT4 42#define CONCAT4(a,b,c,d) XCONCAT2(CONCAT2(a,b),CONCAT2(c,d)) 43#endif 44#endif 45 46/* This is a utility macro to handle the situation where the code 47 wants to place a constant string into the code, followed by a 48 comma and then the length of the string. Doing this by hand 49 is error prone, so using this macro is safer. */ 50#define STRING_COMMA_LEN(STR) (STR), (sizeof (STR) - 1) 51/* Unfortunately it is not possible to use the STRING_COMMA_LEN macro 52 to create the arguments to another macro, since the preprocessor 53 will mis-count the number of arguments to the outer macro (by not 54 evaluating STRING_COMMA_LEN and so missing the comma). This is a 55 problem for example when trying to use STRING_COMMA_LEN to build 56 the arguments to the strncmp() macro. Hence this alternative 57 definition of strncmp is provided here. 58 59 Note - these macros do NOT work if STR2 is not a constant string. */ 60#define CONST_STRNEQ(STR1,STR2) (strncmp ((STR1), (STR2), sizeof (STR2) - 1) == 0) 61 /* strcpy() can have a similar problem, but since we know we are 62 copying a constant string, we can use memcpy which will be faster 63 since there is no need to check for a NUL byte inside STR. We 64 can also save time if we do not need to copy the terminating NUL. */ 65#define LITMEMCPY(DEST,STR2) memcpy ((DEST), (STR2), sizeof (STR2) - 1) 66#define LITSTRCPY(DEST,STR2) memcpy ((DEST), (STR2), sizeof (STR2)) 67 68 69/* The word size used by BFD on the host. This may be 64 with a 32 70 bit target if the host is 64 bit, or if other 64 bit targets have 71 been selected with --enable-targets, or if --enable-64-bit-bfd. */ 72#define BFD_ARCH_SIZE @wordsize@ 73 74/* The word size of the default bfd target. */ 75#define BFD_DEFAULT_TARGET_SIZE @bfd_default_target_size@ 76 77#define BFD_HOST_64BIT_LONG @BFD_HOST_64BIT_LONG@ 78#define BFD_HOST_64BIT_LONG_LONG @BFD_HOST_64BIT_LONG_LONG@ 79#if @BFD_HOST_64_BIT_DEFINED@ 80#define BFD_HOST_64_BIT @BFD_HOST_64_BIT@ 81#define BFD_HOST_U_64_BIT @BFD_HOST_U_64_BIT@ 82typedef BFD_HOST_64_BIT bfd_int64_t; 83typedef BFD_HOST_U_64_BIT bfd_uint64_t; 84#endif 85 86#if BFD_ARCH_SIZE >= 64 87#define BFD64 88#endif 89 90#ifndef INLINE 91#if __GNUC__ >= 2 92#define INLINE __inline__ 93#else 94#define INLINE 95#endif 96#endif 97 98/* Declaring a type wide enough to hold a host long and a host pointer. */ 99#define BFD_HOSTPTR_T @BFD_HOSTPTR_T@ 100typedef BFD_HOSTPTR_T bfd_hostptr_t; 101 102/* Forward declaration. */ 103typedef struct bfd bfd; 104 105/* Boolean type used in bfd. Too many systems define their own 106 versions of "boolean" for us to safely typedef a "boolean" of 107 our own. Using an enum for "bfd_boolean" has its own set of 108 problems, with strange looking casts required to avoid warnings 109 on some older compilers. Thus we just use an int. 110 111 General rule: Functions which are bfd_boolean return TRUE on 112 success and FALSE on failure (unless they're a predicate). */ 113 114typedef int bfd_boolean; 115#undef FALSE 116#undef TRUE 117#define FALSE 0 118#define TRUE 1 119 120#ifdef BFD64 121 122#ifndef BFD_HOST_64_BIT 123 #error No 64 bit integer type available 124#endif /* ! defined (BFD_HOST_64_BIT) */ 125 126typedef BFD_HOST_U_64_BIT bfd_vma; 127typedef BFD_HOST_64_BIT bfd_signed_vma; 128typedef BFD_HOST_U_64_BIT bfd_size_type; 129typedef BFD_HOST_U_64_BIT symvalue; 130 131#if BFD_HOST_64BIT_LONG 132#define BFD_VMA_FMT "l" 133#elif defined (__MSVCRT__) 134#define BFD_VMA_FMT "I64" 135#else 136#define BFD_VMA_FMT "ll" 137#endif 138 139#ifndef fprintf_vma 140#define sprintf_vma(s,x) sprintf (s, "%016" BFD_VMA_FMT "x", x) 141#define fprintf_vma(f,x) fprintf (f, "%016" BFD_VMA_FMT "x", x) 142#endif 143 144#else /* not BFD64 */ 145 146/* Represent a target address. Also used as a generic unsigned type 147 which is guaranteed to be big enough to hold any arithmetic types 148 we need to deal with. */ 149typedef unsigned long bfd_vma; 150 151/* A generic signed type which is guaranteed to be big enough to hold any 152 arithmetic types we need to deal with. Can be assumed to be compatible 153 with bfd_vma in the same way that signed and unsigned ints are compatible 154 (as parameters, in assignment, etc). */ 155typedef long bfd_signed_vma; 156 157typedef unsigned long symvalue; 158typedef unsigned long bfd_size_type; 159 160/* Print a bfd_vma x on stream s. */ 161#define BFD_VMA_FMT "l" 162#define fprintf_vma(s,x) fprintf (s, "%08" BFD_VMA_FMT "x", x) 163#define sprintf_vma(s,x) sprintf (s, "%08" BFD_VMA_FMT "x", x) 164 165#endif /* not BFD64 */ 166 167#define HALF_BFD_SIZE_TYPE \ 168 (((bfd_size_type) 1) << (8 * sizeof (bfd_size_type) / 2)) 169 170#ifndef BFD_HOST_64_BIT 171/* Fall back on a 32 bit type. The idea is to make these types always 172 available for function return types, but in the case that 173 BFD_HOST_64_BIT is undefined such a function should abort or 174 otherwise signal an error. */ 175typedef bfd_signed_vma bfd_int64_t; 176typedef bfd_vma bfd_uint64_t; 177#endif 178 179/* An offset into a file. BFD always uses the largest possible offset 180 based on the build time availability of fseek, fseeko, or fseeko64. */ 181typedef @bfd_file_ptr@ file_ptr; 182typedef unsigned @bfd_file_ptr@ ufile_ptr; 183 184extern void bfd_sprintf_vma (bfd *, char *, bfd_vma); 185extern void bfd_fprintf_vma (bfd *, void *, bfd_vma); 186 187#define printf_vma(x) fprintf_vma(stdout,x) 188#define bfd_printf_vma(abfd,x) bfd_fprintf_vma (abfd,stdout,x) 189 190typedef unsigned int flagword; /* 32 bits of flags */ 191typedef unsigned char bfd_byte; 192 193/* File formats. */ 194 195typedef enum bfd_format 196{ 197 bfd_unknown = 0, /* File format is unknown. */ 198 bfd_object, /* Linker/assembler/compiler output. */ 199 bfd_archive, /* Object archive file. */ 200 bfd_core, /* Core dump. */ 201 bfd_type_end /* Marks the end; don't use it! */ 202} 203bfd_format; 204 205/* Symbols and relocation. */ 206 207/* A count of carsyms (canonical archive symbols). */ 208typedef unsigned long symindex; 209 210/* How to perform a relocation. */ 211typedef const struct reloc_howto_struct reloc_howto_type; 212 213#define BFD_NO_MORE_SYMBOLS ((symindex) ~0) 214 215/* General purpose part of a symbol X; 216 target specific parts are in libcoff.h, libaout.h, etc. */ 217 218#define bfd_get_section(x) ((x)->section) 219#define bfd_get_output_section(x) ((x)->section->output_section) 220#define bfd_set_section(x,y) ((x)->section) = (y) 221#define bfd_asymbol_base(x) ((x)->section->vma) 222#define bfd_asymbol_value(x) (bfd_asymbol_base(x) + (x)->value) 223#define bfd_asymbol_name(x) ((x)->name) 224/*Perhaps future: #define bfd_asymbol_bfd(x) ((x)->section->owner)*/ 225#define bfd_asymbol_bfd(x) ((x)->the_bfd) 226#define bfd_asymbol_flavour(x) \ 227 (((x)->flags & BSF_SYNTHETIC) != 0 \ 228 ? bfd_target_unknown_flavour \ 229 : bfd_asymbol_bfd (x)->xvec->flavour) 230 231/* A canonical archive symbol. */ 232/* This is a type pun with struct ranlib on purpose! */ 233typedef struct carsym 234{ 235 char *name; 236 file_ptr file_offset; /* Look here to find the file. */ 237} 238carsym; /* To make these you call a carsymogen. */ 239 240/* Used in generating armaps (archive tables of contents). 241 Perhaps just a forward definition would do? */ 242struct orl /* Output ranlib. */ 243{ 244 char **name; /* Symbol name. */ 245 union 246 { 247 file_ptr pos; 248 bfd *abfd; 249 } u; /* bfd* or file position. */ 250 int namidx; /* Index into string table. */ 251}; 252 253/* Linenumber stuff. */ 254typedef struct lineno_cache_entry 255{ 256 unsigned int line_number; /* Linenumber from start of function. */ 257 union 258 { 259 struct bfd_symbol *sym; /* Function name. */ 260 bfd_vma offset; /* Offset into section. */ 261 } u; 262} 263alent; 264 265/* Object and core file sections. */ 266 267#define align_power(addr, align) \ 268 (((addr) + ((bfd_vma) 1 << (align)) - 1) & ((bfd_vma) -1 << (align))) 269 270typedef struct bfd_section *sec_ptr; 271 272#define bfd_get_section_name(bfd, ptr) ((ptr)->name + 0) 273#define bfd_get_section_vma(bfd, ptr) ((ptr)->vma + 0) 274#define bfd_get_section_lma(bfd, ptr) ((ptr)->lma + 0) 275#define bfd_get_section_alignment(bfd, ptr) ((ptr)->alignment_power + 0) 276#define bfd_section_name(bfd, ptr) ((ptr)->name) 277#define bfd_section_size(bfd, ptr) ((ptr)->size) 278#define bfd_get_section_size(ptr) ((ptr)->size) 279#define bfd_section_vma(bfd, ptr) ((ptr)->vma) 280#define bfd_section_lma(bfd, ptr) ((ptr)->lma) 281#define bfd_section_alignment(bfd, ptr) ((ptr)->alignment_power) 282#define bfd_get_section_flags(bfd, ptr) ((ptr)->flags + 0) 283#define bfd_get_section_userdata(bfd, ptr) ((ptr)->userdata) 284 285#define bfd_is_com_section(ptr) (((ptr)->flags & SEC_IS_COMMON) != 0) 286 287#define bfd_set_section_vma(bfd, ptr, val) (((ptr)->vma = (ptr)->lma = (val)), ((ptr)->user_set_vma = TRUE), TRUE) 288#define bfd_set_section_alignment(bfd, ptr, val) (((ptr)->alignment_power = (val)),TRUE) 289#define bfd_set_section_userdata(bfd, ptr, val) (((ptr)->userdata = (val)),TRUE) 290/* Find the address one past the end of SEC. */ 291#define bfd_get_section_limit(bfd, sec) \ 292 (((sec)->rawsize ? (sec)->rawsize : (sec)->size) \ 293 / bfd_octets_per_byte (bfd)) 294 295/* Return TRUE if section has been discarded. */ 296#define elf_discarded_section(sec) \ 297 (!bfd_is_abs_section (sec) \ 298 && bfd_is_abs_section ((sec)->output_section) \ 299 && (sec)->sec_info_type != ELF_INFO_TYPE_MERGE \ 300 && (sec)->sec_info_type != ELF_INFO_TYPE_JUST_SYMS) 301 302/* Forward define. */ 303struct stat; 304 305typedef enum bfd_print_symbol 306{ 307 bfd_print_symbol_name, 308 bfd_print_symbol_more, 309 bfd_print_symbol_all 310} bfd_print_symbol_type; 311 312/* Information about a symbol that nm needs. */ 313 314typedef struct _symbol_info 315{ 316 symvalue value; 317 char type; 318 const char *name; /* Symbol name. */ 319 unsigned char stab_type; /* Stab type. */ 320 char stab_other; /* Stab other. */ 321 short stab_desc; /* Stab desc. */ 322 const char *stab_name; /* String for stab type. */ 323} symbol_info; 324 325/* Get the name of a stabs type code. */ 326 327extern const char *bfd_get_stab_name (int); 328 329/* Hash table routines. There is no way to free up a hash table. */ 330 331/* An element in the hash table. Most uses will actually use a larger 332 structure, and an instance of this will be the first field. */ 333 334struct bfd_hash_entry 335{ 336 /* Next entry for this hash code. */ 337 struct bfd_hash_entry *next; 338 /* String being hashed. */ 339 const char *string; 340 /* Hash code. This is the full hash code, not the index into the 341 table. */ 342 unsigned long hash; 343}; 344 345/* A hash table. */ 346 347struct bfd_hash_table 348{ 349 /* The hash array. */ 350 struct bfd_hash_entry **table; 351 /* A function used to create new elements in the hash table. The 352 first entry is itself a pointer to an element. When this 353 function is first invoked, this pointer will be NULL. However, 354 having the pointer permits a hierarchy of method functions to be 355 built each of which calls the function in the superclass. Thus 356 each function should be written to allocate a new block of memory 357 only if the argument is NULL. */ 358 struct bfd_hash_entry *(*newfunc) 359 (struct bfd_hash_entry *, struct bfd_hash_table *, const char *); 360 /* An objalloc for this hash table. This is a struct objalloc *, 361 but we use void * to avoid requiring the inclusion of objalloc.h. */ 362 void *memory; 363 /* The number of slots in the hash table. */ 364 unsigned int size; 365 /* The number of entries in the hash table. */ 366 unsigned int count; 367 /* The size of elements. */ 368 unsigned int entsize; 369 /* If non-zero, don't grow the hash table. */ 370 unsigned int frozen:1; 371}; 372 373/* Initialize a hash table. */ 374extern bfd_boolean bfd_hash_table_init 375 (struct bfd_hash_table *, 376 struct bfd_hash_entry *(*) (struct bfd_hash_entry *, 377 struct bfd_hash_table *, 378 const char *), 379 unsigned int); 380 381/* Initialize a hash table specifying a size. */ 382extern bfd_boolean bfd_hash_table_init_n 383 (struct bfd_hash_table *, 384 struct bfd_hash_entry *(*) (struct bfd_hash_entry *, 385 struct bfd_hash_table *, 386 const char *), 387 unsigned int, unsigned int); 388 389/* Free up a hash table. */ 390extern void bfd_hash_table_free 391 (struct bfd_hash_table *); 392 393/* Look up a string in a hash table. If CREATE is TRUE, a new entry 394 will be created for this string if one does not already exist. The 395 COPY argument must be TRUE if this routine should copy the string 396 into newly allocated memory when adding an entry. */ 397extern struct bfd_hash_entry *bfd_hash_lookup 398 (struct bfd_hash_table *, const char *, bfd_boolean create, 399 bfd_boolean copy); 400 401/* Insert an entry in a hash table. */ 402extern struct bfd_hash_entry *bfd_hash_insert 403 (struct bfd_hash_table *, const char *, unsigned long); 404 405/* Replace an entry in a hash table. */ 406extern void bfd_hash_replace 407 (struct bfd_hash_table *, struct bfd_hash_entry *old, 408 struct bfd_hash_entry *nw); 409 410/* Base method for creating a hash table entry. */ 411extern struct bfd_hash_entry *bfd_hash_newfunc 412 (struct bfd_hash_entry *, struct bfd_hash_table *, const char *); 413 414/* Grab some space for a hash table entry. */ 415extern void *bfd_hash_allocate 416 (struct bfd_hash_table *, unsigned int); 417 418/* Traverse a hash table in a random order, calling a function on each 419 element. If the function returns FALSE, the traversal stops. The 420 INFO argument is passed to the function. */ 421extern void bfd_hash_traverse 422 (struct bfd_hash_table *, 423 bfd_boolean (*) (struct bfd_hash_entry *, void *), 424 void *info); 425 426/* Allows the default size of a hash table to be configured. New hash 427 tables allocated using bfd_hash_table_init will be created with 428 this size. */ 429extern void bfd_hash_set_default_size (bfd_size_type); 430 431/* This structure is used to keep track of stabs in sections 432 information while linking. */ 433 434struct stab_info 435{ 436 /* A hash table used to hold stabs strings. */ 437 struct bfd_strtab_hash *strings; 438 /* The header file hash table. */ 439 struct bfd_hash_table includes; 440 /* The first .stabstr section. */ 441 struct bfd_section *stabstr; 442}; 443 444#define COFF_SWAP_TABLE (void *) &bfd_coff_std_swap_table 445 446/* User program access to BFD facilities. */ 447 448/* Direct I/O routines, for programs which know more about the object 449 file than BFD does. Use higher level routines if possible. */ 450 451extern bfd_size_type bfd_bread (void *, bfd_size_type, bfd *); 452extern bfd_size_type bfd_bwrite (const void *, bfd_size_type, bfd *); 453extern int bfd_seek (bfd *, file_ptr, int); 454extern file_ptr bfd_tell (bfd *); 455extern int bfd_flush (bfd *); 456extern int bfd_stat (bfd *, struct stat *); 457 458/* Deprecated old routines. */ 459#if __GNUC__ 460#define bfd_read(BUF, ELTSIZE, NITEMS, ABFD) \ 461 (warn_deprecated ("bfd_read", __FILE__, __LINE__, __FUNCTION__), \ 462 bfd_bread ((BUF), (ELTSIZE) * (NITEMS), (ABFD))) 463#define bfd_write(BUF, ELTSIZE, NITEMS, ABFD) \ 464 (warn_deprecated ("bfd_write", __FILE__, __LINE__, __FUNCTION__), \ 465 bfd_bwrite ((BUF), (ELTSIZE) * (NITEMS), (ABFD))) 466#else 467#define bfd_read(BUF, ELTSIZE, NITEMS, ABFD) \ 468 (warn_deprecated ("bfd_read", (const char *) 0, 0, (const char *) 0), \ 469 bfd_bread ((BUF), (ELTSIZE) * (NITEMS), (ABFD))) 470#define bfd_write(BUF, ELTSIZE, NITEMS, ABFD) \ 471 (warn_deprecated ("bfd_write", (const char *) 0, 0, (const char *) 0),\ 472 bfd_bwrite ((BUF), (ELTSIZE) * (NITEMS), (ABFD))) 473#endif 474extern void warn_deprecated (const char *, const char *, int, const char *); 475 476/* Cast from const char * to char * so that caller can assign to 477 a char * without a warning. */ 478#define bfd_get_filename(abfd) ((char *) (abfd)->filename) 479#define bfd_get_cacheable(abfd) ((abfd)->cacheable) 480#define bfd_get_format(abfd) ((abfd)->format) 481#define bfd_get_target(abfd) ((abfd)->xvec->name) 482#define bfd_get_flavour(abfd) ((abfd)->xvec->flavour) 483#define bfd_family_coff(abfd) \ 484 (bfd_get_flavour (abfd) == bfd_target_coff_flavour || \ 485 bfd_get_flavour (abfd) == bfd_target_xcoff_flavour) 486#define bfd_big_endian(abfd) ((abfd)->xvec->byteorder == BFD_ENDIAN_BIG) 487#define bfd_little_endian(abfd) ((abfd)->xvec->byteorder == BFD_ENDIAN_LITTLE) 488#define bfd_header_big_endian(abfd) \ 489 ((abfd)->xvec->header_byteorder == BFD_ENDIAN_BIG) 490#define bfd_header_little_endian(abfd) \ 491 ((abfd)->xvec->header_byteorder == BFD_ENDIAN_LITTLE) 492#define bfd_get_file_flags(abfd) ((abfd)->flags) 493#define bfd_applicable_file_flags(abfd) ((abfd)->xvec->object_flags) 494#define bfd_applicable_section_flags(abfd) ((abfd)->xvec->section_flags) 495#define bfd_my_archive(abfd) ((abfd)->my_archive) 496#define bfd_has_map(abfd) ((abfd)->has_armap) 497#define bfd_is_thin_archive(abfd) ((abfd)->is_thin_archive) 498 499#define bfd_valid_reloc_types(abfd) ((abfd)->xvec->valid_reloc_types) 500#define bfd_usrdata(abfd) ((abfd)->usrdata) 501 502#define bfd_get_start_address(abfd) ((abfd)->start_address) 503#define bfd_get_symcount(abfd) ((abfd)->symcount) 504#define bfd_get_outsymbols(abfd) ((abfd)->outsymbols) 505#define bfd_count_sections(abfd) ((abfd)->section_count) 506 507#define bfd_get_dynamic_symcount(abfd) ((abfd)->dynsymcount) 508 509#define bfd_get_symbol_leading_char(abfd) ((abfd)->xvec->symbol_leading_char) 510 511#define bfd_set_cacheable(abfd,bool) (((abfd)->cacheable = bool), TRUE) 512 513extern bfd_boolean bfd_cache_close 514 (bfd *abfd); 515/* NB: This declaration should match the autogenerated one in libbfd.h. */ 516 517extern bfd_boolean bfd_cache_close_all (void); 518 519extern bfd_boolean bfd_record_phdr 520 (bfd *, unsigned long, bfd_boolean, flagword, bfd_boolean, bfd_vma, 521 bfd_boolean, bfd_boolean, unsigned int, struct bfd_section **); 522 523/* Byte swapping routines. */ 524 525bfd_uint64_t bfd_getb64 (const void *); 526bfd_uint64_t bfd_getl64 (const void *); 527bfd_int64_t bfd_getb_signed_64 (const void *); 528bfd_int64_t bfd_getl_signed_64 (const void *); 529bfd_vma bfd_getb32 (const void *); 530bfd_vma bfd_getl32 (const void *); 531bfd_signed_vma bfd_getb_signed_32 (const void *); 532bfd_signed_vma bfd_getl_signed_32 (const void *); 533bfd_vma bfd_getb16 (const void *); 534bfd_vma bfd_getl16 (const void *); 535bfd_signed_vma bfd_getb_signed_16 (const void *); 536bfd_signed_vma bfd_getl_signed_16 (const void *); 537void bfd_putb64 (bfd_uint64_t, void *); 538void bfd_putl64 (bfd_uint64_t, void *); 539void bfd_putb32 (bfd_vma, void *); 540void bfd_putl32 (bfd_vma, void *); 541void bfd_putb16 (bfd_vma, void *); 542void bfd_putl16 (bfd_vma, void *); 543 544/* Byte swapping routines which take size and endiannes as arguments. */ 545 546bfd_uint64_t bfd_get_bits (const void *, int, bfd_boolean); 547void bfd_put_bits (bfd_uint64_t, void *, int, bfd_boolean); 548 549extern bfd_boolean bfd_section_already_linked_table_init (void); 550extern void bfd_section_already_linked_table_free (void); 551 552/* Externally visible ECOFF routines. */ 553 554#if defined(__STDC__) || defined(ALMOST_STDC) 555struct ecoff_debug_info; 556struct ecoff_debug_swap; 557struct ecoff_extr; 558struct bfd_symbol; 559struct bfd_link_info; 560struct bfd_link_hash_entry; 561struct bfd_elf_version_tree; 562#endif 563extern bfd_vma bfd_ecoff_get_gp_value 564 (bfd * abfd); 565extern bfd_boolean bfd_ecoff_set_gp_value 566 (bfd *abfd, bfd_vma gp_value); 567extern bfd_boolean bfd_ecoff_set_regmasks 568 (bfd *abfd, unsigned long gprmask, unsigned long fprmask, 569 unsigned long *cprmask); 570extern void *bfd_ecoff_debug_init 571 (bfd *output_bfd, struct ecoff_debug_info *output_debug, 572 const struct ecoff_debug_swap *output_swap, struct bfd_link_info *); 573extern void bfd_ecoff_debug_free 574 (void *handle, bfd *output_bfd, struct ecoff_debug_info *output_debug, 575 const struct ecoff_debug_swap *output_swap, struct bfd_link_info *); 576extern bfd_boolean bfd_ecoff_debug_accumulate 577 (void *handle, bfd *output_bfd, struct ecoff_debug_info *output_debug, 578 const struct ecoff_debug_swap *output_swap, bfd *input_bfd, 579 struct ecoff_debug_info *input_debug, 580 const struct ecoff_debug_swap *input_swap, struct bfd_link_info *); 581extern bfd_boolean bfd_ecoff_debug_accumulate_other 582 (void *handle, bfd *output_bfd, struct ecoff_debug_info *output_debug, 583 const struct ecoff_debug_swap *output_swap, bfd *input_bfd, 584 struct bfd_link_info *); 585extern bfd_boolean bfd_ecoff_debug_externals 586 (bfd *abfd, struct ecoff_debug_info *debug, 587 const struct ecoff_debug_swap *swap, bfd_boolean relocatable, 588 bfd_boolean (*get_extr) (struct bfd_symbol *, struct ecoff_extr *), 589 void (*set_index) (struct bfd_symbol *, bfd_size_type)); 590extern bfd_boolean bfd_ecoff_debug_one_external 591 (bfd *abfd, struct ecoff_debug_info *debug, 592 const struct ecoff_debug_swap *swap, const char *name, 593 struct ecoff_extr *esym); 594extern bfd_size_type bfd_ecoff_debug_size 595 (bfd *abfd, struct ecoff_debug_info *debug, 596 const struct ecoff_debug_swap *swap); 597extern bfd_boolean bfd_ecoff_write_debug 598 (bfd *abfd, struct ecoff_debug_info *debug, 599 const struct ecoff_debug_swap *swap, file_ptr where); 600extern bfd_boolean bfd_ecoff_write_accumulated_debug 601 (void *handle, bfd *abfd, struct ecoff_debug_info *debug, 602 const struct ecoff_debug_swap *swap, 603 struct bfd_link_info *info, file_ptr where); 604 605/* Externally visible ELF routines. */ 606 607struct bfd_link_needed_list 608{ 609 struct bfd_link_needed_list *next; 610 bfd *by; 611 const char *name; 612}; 613 614enum dynamic_lib_link_class { 615 DYN_NORMAL = 0, 616 DYN_AS_NEEDED = 1, 617 DYN_DT_NEEDED = 2, 618 DYN_NO_ADD_NEEDED = 4, 619 DYN_NO_NEEDED = 8 620}; 621 622enum notice_asneeded_action { 623 notice_as_needed, 624 notice_not_needed, 625 notice_needed 626}; 627 628extern bfd_boolean bfd_elf_record_link_assignment 629 (bfd *, struct bfd_link_info *, const char *, bfd_boolean, 630 bfd_boolean); 631extern struct bfd_link_needed_list *bfd_elf_get_needed_list 632 (bfd *, struct bfd_link_info *); 633extern bfd_boolean bfd_elf_get_bfd_needed_list 634 (bfd *, struct bfd_link_needed_list **); 635extern bfd_boolean bfd_elf_size_dynamic_sections 636 (bfd *, const char *, const char *, const char *, const char * const *, 637 struct bfd_link_info *, struct bfd_section **, 638 struct bfd_elf_version_tree *); 639extern bfd_boolean bfd_elf_size_dynsym_hash_dynstr 640 (bfd *, struct bfd_link_info *); 641extern void bfd_elf_set_dt_needed_name 642 (bfd *, const char *); 643extern const char *bfd_elf_get_dt_soname 644 (bfd *); 645extern void bfd_elf_set_dyn_lib_class 646 (bfd *, enum dynamic_lib_link_class); 647extern int bfd_elf_get_dyn_lib_class 648 (bfd *); 649extern struct bfd_link_needed_list *bfd_elf_get_runpath_list 650 (bfd *, struct bfd_link_info *); 651extern bfd_boolean bfd_elf_discard_info 652 (bfd *, struct bfd_link_info *); 653extern unsigned int _bfd_elf_default_action_discarded 654 (struct bfd_section *); 655 656/* Return an upper bound on the number of bytes required to store a 657 copy of ABFD's program header table entries. Return -1 if an error 658 occurs; bfd_get_error will return an appropriate code. */ 659extern long bfd_get_elf_phdr_upper_bound 660 (bfd *abfd); 661 662/* Copy ABFD's program header table entries to *PHDRS. The entries 663 will be stored as an array of Elf_Internal_Phdr structures, as 664 defined in include/elf/internal.h. To find out how large the 665 buffer needs to be, call bfd_get_elf_phdr_upper_bound. 666 667 Return the number of program header table entries read, or -1 if an 668 error occurs; bfd_get_error will return an appropriate code. */ 669extern int bfd_get_elf_phdrs 670 (bfd *abfd, void *phdrs); 671 672/* Create a new BFD as if by bfd_openr. Rather than opening a file, 673 reconstruct an ELF file by reading the segments out of remote memory 674 based on the ELF file header at EHDR_VMA and the ELF program headers it 675 points to. If not null, *LOADBASEP is filled in with the difference 676 between the VMAs from which the segments were read, and the VMAs the 677 file headers (and hence BFD's idea of each section's VMA) put them at. 678 679 The function TARGET_READ_MEMORY is called to copy LEN bytes from the 680 remote memory at target address VMA into the local buffer at MYADDR; it 681 should return zero on success or an `errno' code on failure. TEMPL must 682 be a BFD for an ELF target with the word size and byte order found in 683 the remote memory. */ 684extern bfd *bfd_elf_bfd_from_remote_memory 685 (bfd *templ, bfd_vma ehdr_vma, bfd_vma *loadbasep, 686 int (*target_read_memory) (bfd_vma vma, bfd_byte *myaddr, int len)); 687 688/* Return the arch_size field of an elf bfd, or -1 if not elf. */ 689extern int bfd_get_arch_size 690 (bfd *); 691 692/* Return TRUE if address "naturally" sign extends, or -1 if not elf. */ 693extern int bfd_get_sign_extend_vma 694 (bfd *); 695 696extern struct bfd_section *_bfd_elf_tls_setup 697 (bfd *, struct bfd_link_info *); 698 699extern void _bfd_fix_excluded_sec_syms 700 (bfd *, struct bfd_link_info *); 701 702extern unsigned bfd_m68k_mach_to_features (int); 703 704extern int bfd_m68k_features_to_mach (unsigned); 705 706extern bfd_boolean bfd_m68k_elf32_create_embedded_relocs 707 (bfd *, struct bfd_link_info *, struct bfd_section *, struct bfd_section *, 708 char **); 709 710extern void bfd_elf_m68k_set_target_options (struct bfd_link_info *, int); 711 712extern bfd_boolean bfd_bfin_elf32_create_embedded_relocs 713 (bfd *, struct bfd_link_info *, struct bfd_section *, struct bfd_section *, 714 char **); 715 716/* SunOS shared library support routines for the linker. */ 717 718extern struct bfd_link_needed_list *bfd_sunos_get_needed_list 719 (bfd *, struct bfd_link_info *); 720extern bfd_boolean bfd_sunos_record_link_assignment 721 (bfd *, struct bfd_link_info *, const char *); 722extern bfd_boolean bfd_sunos_size_dynamic_sections 723 (bfd *, struct bfd_link_info *, struct bfd_section **, 724 struct bfd_section **, struct bfd_section **); 725 726/* Linux shared library support routines for the linker. */ 727 728extern bfd_boolean bfd_i386linux_size_dynamic_sections 729 (bfd *, struct bfd_link_info *); 730extern bfd_boolean bfd_m68klinux_size_dynamic_sections 731 (bfd *, struct bfd_link_info *); 732extern bfd_boolean bfd_sparclinux_size_dynamic_sections 733 (bfd *, struct bfd_link_info *); 734 735/* mmap hacks */ 736 737struct _bfd_window_internal; 738typedef struct _bfd_window_internal bfd_window_internal; 739 740typedef struct _bfd_window 741{ 742 /* What the user asked for. */ 743 void *data; 744 bfd_size_type size; 745 /* The actual window used by BFD. Small user-requested read-only 746 regions sharing a page may share a single window into the object 747 file. Read-write versions shouldn't until I've fixed things to 748 keep track of which portions have been claimed by the 749 application; don't want to give the same region back when the 750 application wants two writable copies! */ 751 struct _bfd_window_internal *i; 752} 753bfd_window; 754 755extern void bfd_init_window 756 (bfd_window *); 757extern void bfd_free_window 758 (bfd_window *); 759extern bfd_boolean bfd_get_file_window 760 (bfd *, file_ptr, bfd_size_type, bfd_window *, bfd_boolean); 761 762/* XCOFF support routines for the linker. */ 763 764extern bfd_boolean bfd_xcoff_link_record_set 765 (bfd *, struct bfd_link_info *, struct bfd_link_hash_entry *, bfd_size_type); 766extern bfd_boolean bfd_xcoff_import_symbol 767 (bfd *, struct bfd_link_info *, struct bfd_link_hash_entry *, bfd_vma, 768 const char *, const char *, const char *, unsigned int); 769extern bfd_boolean bfd_xcoff_export_symbol 770 (bfd *, struct bfd_link_info *, struct bfd_link_hash_entry *); 771extern bfd_boolean bfd_xcoff_link_count_reloc 772 (bfd *, struct bfd_link_info *, const char *); 773extern bfd_boolean bfd_xcoff_record_link_assignment 774 (bfd *, struct bfd_link_info *, const char *); 775extern bfd_boolean bfd_xcoff_size_dynamic_sections 776 (bfd *, struct bfd_link_info *, const char *, const char *, 777 unsigned long, unsigned long, unsigned long, bfd_boolean, 778 int, bfd_boolean, bfd_boolean, struct bfd_section **, bfd_boolean); 779extern bfd_boolean bfd_xcoff_link_generate_rtinit 780 (bfd *, const char *, const char *, bfd_boolean); 781 782/* XCOFF support routines for ar. */ 783extern bfd_boolean bfd_xcoff_ar_archive_set_magic 784 (bfd *, char *); 785 786/* Externally visible COFF routines. */ 787 788#if defined(__STDC__) || defined(ALMOST_STDC) 789struct internal_syment; 790union internal_auxent; 791#endif 792 793extern bfd_boolean bfd_coff_get_syment 794 (bfd *, struct bfd_symbol *, struct internal_syment *); 795 796extern bfd_boolean bfd_coff_get_auxent 797 (bfd *, struct bfd_symbol *, int, union internal_auxent *); 798 799extern bfd_boolean bfd_coff_set_symbol_class 800 (bfd *, struct bfd_symbol *, unsigned int); 801 802extern bfd_boolean bfd_m68k_coff_create_embedded_relocs 803 (bfd *, struct bfd_link_info *, struct bfd_section *, struct bfd_section *, char **); 804 805/* ARM VFP11 erratum workaround support. */ 806typedef enum 807{ 808 BFD_ARM_VFP11_FIX_DEFAULT, 809 BFD_ARM_VFP11_FIX_NONE, 810 BFD_ARM_VFP11_FIX_SCALAR, 811 BFD_ARM_VFP11_FIX_VECTOR 812} bfd_arm_vfp11_fix; 813 814extern void bfd_elf32_arm_init_maps 815 (bfd *); 816 817extern void bfd_elf32_arm_set_vfp11_fix 818 (bfd *, struct bfd_link_info *); 819 820extern bfd_boolean bfd_elf32_arm_vfp11_erratum_scan 821 (bfd *, struct bfd_link_info *); 822 823extern void bfd_elf32_arm_vfp11_fix_veneer_locations 824 (bfd *, struct bfd_link_info *); 825 826/* ARM Interworking support. Called from linker. */ 827extern bfd_boolean bfd_arm_allocate_interworking_sections 828 (struct bfd_link_info *); 829 830extern bfd_boolean bfd_arm_process_before_allocation 831 (bfd *, struct bfd_link_info *, int); 832 833extern bfd_boolean bfd_arm_get_bfd_for_interworking 834 (bfd *, struct bfd_link_info *); 835 836/* PE ARM Interworking support. Called from linker. */ 837extern bfd_boolean bfd_arm_pe_allocate_interworking_sections 838 (struct bfd_link_info *); 839 840extern bfd_boolean bfd_arm_pe_process_before_allocation 841 (bfd *, struct bfd_link_info *, int); 842 843extern bfd_boolean bfd_arm_pe_get_bfd_for_interworking 844 (bfd *, struct bfd_link_info *); 845 846/* ELF ARM Interworking support. Called from linker. */ 847extern bfd_boolean bfd_elf32_arm_allocate_interworking_sections 848 (struct bfd_link_info *); 849 850extern bfd_boolean bfd_elf32_arm_process_before_allocation 851 (bfd *, struct bfd_link_info *); 852 853void bfd_elf32_arm_set_target_relocs 854 (bfd *, struct bfd_link_info *, int, char *, int, int, bfd_arm_vfp11_fix, 855 int, int, int); 856 857extern bfd_boolean bfd_elf32_arm_get_bfd_for_interworking 858 (bfd *, struct bfd_link_info *); 859 860extern bfd_boolean bfd_elf32_arm_add_glue_sections_to_bfd 861 (bfd *, struct bfd_link_info *); 862 863/* ELF ARM mapping symbol support */ 864#define BFD_ARM_SPECIAL_SYM_TYPE_MAP (1 << 0) 865#define BFD_ARM_SPECIAL_SYM_TYPE_TAG (1 << 1) 866#define BFD_ARM_SPECIAL_SYM_TYPE_OTHER (1 << 2) 867#define BFD_ARM_SPECIAL_SYM_TYPE_ANY (~0) 868extern bfd_boolean bfd_is_arm_special_symbol_name 869 (const char * name, int type); 870 871extern void bfd_elf32_arm_set_byteswap_code (struct bfd_link_info *, int); 872 873/* ARM Note section processing. */ 874extern bfd_boolean bfd_arm_merge_machines 875 (bfd *, bfd *); 876 877extern bfd_boolean bfd_arm_update_notes 878 (bfd *, const char *); 879 880extern unsigned int bfd_arm_get_mach_from_notes 881 (bfd *, const char *); 882 883/* ARM stub generation support. Called from the linker. */ 884extern int elf32_arm_setup_section_lists 885 (bfd *, struct bfd_link_info *); 886extern void elf32_arm_next_input_section 887 (struct bfd_link_info *, struct bfd_section *); 888extern bfd_boolean elf32_arm_size_stubs 889 (bfd *, bfd *, struct bfd_link_info *, bfd_signed_vma, 890 struct bfd_section * (*) (const char *, struct bfd_section *), void (*) (void)); 891extern bfd_boolean elf32_arm_build_stubs 892 (struct bfd_link_info *); 893 894/* TI COFF load page support. */ 895extern void bfd_ticoff_set_section_load_page 896 (struct bfd_section *, int); 897 898extern int bfd_ticoff_get_section_load_page 899 (struct bfd_section *); 900 901/* H8/300 functions. */ 902extern bfd_vma bfd_h8300_pad_address 903 (bfd *, bfd_vma); 904 905/* IA64 Itanium code generation. Called from linker. */ 906extern void bfd_elf32_ia64_after_parse 907 (int); 908 909extern void bfd_elf64_ia64_after_parse 910 (int); 911 912/* This structure is used for a comdat section, as in PE. A comdat 913 section is associated with a particular symbol. When the linker 914 sees a comdat section, it keeps only one of the sections with a 915 given name and associated with a given symbol. */ 916 917struct coff_comdat_info 918{ 919 /* The name of the symbol associated with a comdat section. */ 920 const char *name; 921 922 /* The local symbol table index of the symbol associated with a 923 comdat section. This is only meaningful to the object file format 924 specific code; it is not an index into the list returned by 925 bfd_canonicalize_symtab. */ 926 long symbol; 927}; 928 929extern struct coff_comdat_info *bfd_coff_get_comdat_section 930 (bfd *, struct bfd_section *); 931 932