bfd-in.h revision 89857
1/* Main header file for the bfd library -- portable access to object files. 2 Copyright 1990, 1991, 1992, 1993, 1994, 1995, 1996, 1997, 1998, 1999, 3 2000, 2001 4 Free Software Foundation, Inc. 5 Contributed by Cygnus Support. 6 7This file is part of BFD, the Binary File Descriptor library. 8 9This program is free software; you can redistribute it and/or modify 10it under the terms of the GNU General Public License as published by 11the Free Software Foundation; either version 2 of the License, or 12(at your option) any later version. 13 14This program is distributed in the hope that it will be useful, 15but WITHOUT ANY WARRANTY; without even the implied warranty of 16MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the 17GNU General Public License for more details. 18 19You should have received a copy of the GNU General Public License 20along with this program; if not, write to the Free Software 21Foundation, Inc., 59 Temple Place - Suite 330, Boston, MA 02111-1307, USA. */ 22 23#ifndef __BFD_H_SEEN__ 24#define __BFD_H_SEEN__ 25 26#ifdef __cplusplus 27extern "C" { 28#endif 29 30#include "ansidecl.h" 31#include "symcat.h" 32#if defined (__STDC__) || defined (ALMOST_STDC) || defined (HAVE_STRINGIZE) 33#ifndef SABER 34/* This hack is to avoid a problem with some strict ANSI C preprocessors. 35 The problem is, "32_" is not a valid preprocessing token, and we don't 36 want extra underscores (e.g., "nlm_32_"). The XCONCAT2 macro will 37 cause the inner CONCAT2 macros to be evaluated first, producing 38 still-valid pp-tokens. Then the final concatenation can be done. */ 39#undef CONCAT4 40#define CONCAT4(a,b,c,d) XCONCAT2(CONCAT2(a,b),CONCAT2(c,d)) 41#endif 42#endif 43 44#define BFD_VERSION @bfd_version@ 45#define BFD_VERSION_DATE @bfd_version_date@ 46#define BFD_VERSION_STRING @bfd_version_string@ 47 48/* The word size used by BFD on the host. This may be 64 with a 32 49 bit target if the host is 64 bit, or if other 64 bit targets have 50 been selected with --enable-targets, or if --enable-64-bit-bfd. */ 51#define BFD_ARCH_SIZE @wordsize@ 52 53/* The word size of the default bfd target. */ 54#define BFD_DEFAULT_TARGET_SIZE @bfd_default_target_size@ 55 56#define BFD_HOST_64BIT_LONG @BFD_HOST_64BIT_LONG@ 57#if @BFD_HOST_64_BIT_DEFINED@ 58#define BFD_HOST_64_BIT @BFD_HOST_64_BIT@ 59#define BFD_HOST_U_64_BIT @BFD_HOST_U_64_BIT@ 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/* To squelch erroneous compiler warnings ("illegal pointer 78 combination") from the SVR3 compiler, we would like to typedef 79 boolean to int (it doesn't like functions which return boolean. 80 Making sure they are never implicitly declared to return int 81 doesn't seem to help). But this file is not configured based on 82 the host. */ 83/* General rules: functions which are boolean return true on success 84 and false on failure (unless they're a predicate). -- bfd.doc */ 85/* I'm sure this is going to break something and someone is going to 86 force me to change it. */ 87/* typedef enum boolean {false, true} boolean; */ 88/* Yup, SVR4 has a "typedef enum boolean" in <sys/types.h> -fnf */ 89/* It gets worse if the host also defines a true/false enum... -sts */ 90/* And even worse if your compiler has built-in boolean types... -law */ 91#if defined (__GNUG__) && (__GNUC__ > 2 || (__GNUC__ == 2 && __GNUC_MINOR__ >= 6)) 92#define TRUE_FALSE_ALREADY_DEFINED 93#endif 94#ifdef MPW 95/* Pre-emptive strike - get the file with the enum. */ 96#include <Types.h> 97#define TRUE_FALSE_ALREADY_DEFINED 98#endif /* MPW */ 99#ifndef TRUE_FALSE_ALREADY_DEFINED 100typedef enum bfd_boolean {false, true} boolean; 101#define BFD_TRUE_FALSE 102#else 103/* Use enum names that will appear nowhere else. */ 104typedef enum bfd_boolean {bfd_fffalse, bfd_tttrue} boolean; 105#endif 106 107/* Support for different sizes of target format ints and addresses. 108 If the type `long' is at least 64 bits, BFD_HOST_64BIT_LONG will be 109 set to 1 above. Otherwise, if gcc is being used, this code will 110 use gcc's "long long" type. Otherwise, BFD_HOST_64_BIT must be 111 defined above. */ 112 113#ifndef BFD_HOST_64_BIT 114# if BFD_HOST_64BIT_LONG 115# define BFD_HOST_64_BIT long 116# define BFD_HOST_U_64_BIT unsigned long 117# else 118# ifdef __GNUC__ 119# if __GNUC__ >= 2 120# define BFD_HOST_64_BIT long long 121# define BFD_HOST_U_64_BIT unsigned long long 122# endif /* __GNUC__ >= 2 */ 123# endif /* ! defined (__GNUC__) */ 124# endif /* ! BFD_HOST_64BIT_LONG */ 125#endif /* ! defined (BFD_HOST_64_BIT) */ 126 127#ifdef BFD64 128 129#ifndef BFD_HOST_64_BIT 130 #error No 64 bit integer type available 131#endif /* ! defined (BFD_HOST_64_BIT) */ 132 133typedef BFD_HOST_U_64_BIT bfd_vma; 134typedef BFD_HOST_64_BIT bfd_signed_vma; 135typedef BFD_HOST_U_64_BIT bfd_size_type; 136typedef BFD_HOST_U_64_BIT symvalue; 137 138#ifndef fprintf_vma 139#if BFD_HOST_64BIT_LONG 140#define sprintf_vma(s,x) sprintf (s, "%016lx", x) 141#define fprintf_vma(f,x) fprintf (f, "%016lx", x) 142#else 143#define _bfd_int64_low(x) ((unsigned long) (((x) & 0xffffffff))) 144#define _bfd_int64_high(x) ((unsigned long) (((x) >> 32) & 0xffffffff)) 145#define fprintf_vma(s,x) \ 146 fprintf ((s), "%08lx%08lx", _bfd_int64_high (x), _bfd_int64_low (x)) 147#define sprintf_vma(s,x) \ 148 sprintf ((s), "%08lx%08lx", _bfd_int64_high (x), _bfd_int64_low (x)) 149#endif 150#endif 151 152#else /* not BFD64 */ 153 154/* Represent a target address. Also used as a generic unsigned type 155 which is guaranteed to be big enough to hold any arithmetic types 156 we need to deal with. */ 157typedef unsigned long bfd_vma; 158 159/* A generic signed type which is guaranteed to be big enough to hold any 160 arithmetic types we need to deal with. Can be assumed to be compatible 161 with bfd_vma in the same way that signed and unsigned ints are compatible 162 (as parameters, in assignment, etc). */ 163typedef long bfd_signed_vma; 164 165typedef unsigned long symvalue; 166typedef unsigned long bfd_size_type; 167 168/* Print a bfd_vma x on stream s. */ 169#define fprintf_vma(s,x) fprintf (s, "%08lx", x) 170#define sprintf_vma(s,x) sprintf (s, "%08lx", x) 171 172#endif /* not BFD64 */ 173 174/* A pointer to a position in a file. */ 175/* FIXME: This should be using off_t from <sys/types.h>. 176 For now, try to avoid breaking stuff by not including <sys/types.h> here. 177 This will break on systems with 64-bit file offsets (e.g. 4.4BSD). 178 Probably the best long-term answer is to avoid using file_ptr AND off_t 179 in this header file, and to handle this in the BFD implementation 180 rather than in its interface. */ 181/* typedef off_t file_ptr; */ 182typedef bfd_signed_vma file_ptr; 183typedef bfd_vma ufile_ptr; 184 185extern void bfd_sprintf_vma PARAMS ((bfd *, char *, bfd_vma)); 186extern void bfd_fprintf_vma PARAMS ((bfd *, PTR, bfd_vma)); 187 188#define printf_vma(x) fprintf_vma(stdout,x) 189#define bfd_printf_vma(abfd,x) bfd_fprintf_vma (abfd,stdout,x) 190 191typedef unsigned int flagword; /* 32 bits of flags */ 192typedef unsigned char bfd_byte; 193 194/** File formats */ 195 196typedef enum bfd_format { 197 bfd_unknown = 0, /* file format is unknown */ 198 bfd_object, /* linker/assember/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 bfd_format; 203 204/* Values that may appear in the flags field of a BFD. These also 205 appear in the object_flags field of the bfd_target structure, where 206 they indicate the set of flags used by that backend (not all flags 207 are meaningful for all object file formats) (FIXME: at the moment, 208 the object_flags values have mostly just been copied from backend 209 to another, and are not necessarily correct). */ 210 211/* No flags. */ 212#define BFD_NO_FLAGS 0x00 213 214/* BFD contains relocation entries. */ 215#define HAS_RELOC 0x01 216 217/* BFD is directly executable. */ 218#define EXEC_P 0x02 219 220/* BFD has line number information (basically used for F_LNNO in a 221 COFF header). */ 222#define HAS_LINENO 0x04 223 224/* BFD has debugging information. */ 225#define HAS_DEBUG 0x08 226 227/* BFD has symbols. */ 228#define HAS_SYMS 0x10 229 230/* BFD has local symbols (basically used for F_LSYMS in a COFF 231 header). */ 232#define HAS_LOCALS 0x20 233 234/* BFD is a dynamic object. */ 235#define DYNAMIC 0x40 236 237/* Text section is write protected (if D_PAGED is not set, this is 238 like an a.out NMAGIC file) (the linker sets this by default, but 239 clears it for -r or -N). */ 240#define WP_TEXT 0x80 241 242/* BFD is dynamically paged (this is like an a.out ZMAGIC file) (the 243 linker sets this by default, but clears it for -r or -n or -N). */ 244#define D_PAGED 0x100 245 246/* BFD is relaxable (this means that bfd_relax_section may be able to 247 do something) (sometimes bfd_relax_section can do something even if 248 this is not set). */ 249#define BFD_IS_RELAXABLE 0x200 250 251/* This may be set before writing out a BFD to request using a 252 traditional format. For example, this is used to request that when 253 writing out an a.out object the symbols not be hashed to eliminate 254 duplicates. */ 255#define BFD_TRADITIONAL_FORMAT 0x400 256 257/* This flag indicates that the BFD contents are actually cached in 258 memory. If this is set, iostream points to a bfd_in_memory struct. */ 259#define BFD_IN_MEMORY 0x800 260 261/* symbols and relocation */ 262 263/* A count of carsyms (canonical archive symbols). */ 264typedef unsigned long symindex; 265 266/* How to perform a relocation. */ 267typedef const struct reloc_howto_struct reloc_howto_type; 268 269#define BFD_NO_MORE_SYMBOLS ((symindex) ~0) 270 271/* General purpose part of a symbol X; 272 target specific parts are in libcoff.h, libaout.h, etc. */ 273 274#define bfd_get_section(x) ((x)->section) 275#define bfd_get_output_section(x) ((x)->section->output_section) 276#define bfd_set_section(x,y) ((x)->section) = (y) 277#define bfd_asymbol_base(x) ((x)->section->vma) 278#define bfd_asymbol_value(x) (bfd_asymbol_base(x) + (x)->value) 279#define bfd_asymbol_name(x) ((x)->name) 280/*Perhaps future: #define bfd_asymbol_bfd(x) ((x)->section->owner)*/ 281#define bfd_asymbol_bfd(x) ((x)->the_bfd) 282#define bfd_asymbol_flavour(x) (bfd_asymbol_bfd(x)->xvec->flavour) 283 284/* A canonical archive symbol. */ 285/* This is a type pun with struct ranlib on purpose! */ 286typedef struct carsym { 287 char *name; 288 file_ptr file_offset; /* look here to find the file */ 289} carsym; /* to make these you call a carsymogen */ 290 291/* Used in generating armaps (archive tables of contents). 292 Perhaps just a forward definition would do? */ 293struct orl { /* output ranlib */ 294 char **name; /* symbol name */ 295 union { 296 file_ptr pos; 297 bfd *abfd; 298 } u; /* bfd* or file position */ 299 int namidx; /* index into string table */ 300}; 301 302/* Linenumber stuff */ 303typedef struct lineno_cache_entry { 304 unsigned int line_number; /* Linenumber from start of function*/ 305 union { 306 struct symbol_cache_entry *sym; /* Function name */ 307 bfd_vma offset; /* Offset into section */ 308 } u; 309} alent; 310 311/* object and core file sections */ 312 313#define align_power(addr, align) \ 314 ( ((addr) + ((1<<(align))-1)) & (-1 << (align))) 315 316typedef struct sec *sec_ptr; 317 318#define bfd_get_section_name(bfd, ptr) ((ptr)->name + 0) 319#define bfd_get_section_vma(bfd, ptr) ((ptr)->vma + 0) 320#define bfd_get_section_alignment(bfd, ptr) ((ptr)->alignment_power + 0) 321#define bfd_section_name(bfd, ptr) ((ptr)->name) 322#define bfd_section_size(bfd, ptr) (bfd_get_section_size_before_reloc(ptr)) 323#define bfd_section_vma(bfd, ptr) ((ptr)->vma) 324#define bfd_section_lma(bfd, ptr) ((ptr)->lma) 325#define bfd_section_alignment(bfd, ptr) ((ptr)->alignment_power) 326#define bfd_get_section_flags(bfd, ptr) ((ptr)->flags + 0) 327#define bfd_get_section_userdata(bfd, ptr) ((ptr)->userdata) 328 329#define bfd_is_com_section(ptr) (((ptr)->flags & SEC_IS_COMMON) != 0) 330 331#define bfd_set_section_vma(bfd, ptr, val) (((ptr)->vma = (ptr)->lma= (val)), ((ptr)->user_set_vma = (boolean)true), true) 332#define bfd_set_section_alignment(bfd, ptr, val) (((ptr)->alignment_power = (val)),true) 333#define bfd_set_section_userdata(bfd, ptr, val) (((ptr)->userdata = (val)),true) 334 335typedef struct stat stat_type; 336 337typedef enum bfd_print_symbol 338{ 339 bfd_print_symbol_name, 340 bfd_print_symbol_more, 341 bfd_print_symbol_all 342} bfd_print_symbol_type; 343 344/* Information about a symbol that nm needs. */ 345 346typedef struct _symbol_info 347{ 348 symvalue value; 349 char type; 350 const char *name; /* Symbol name. */ 351 unsigned char stab_type; /* Stab type. */ 352 char stab_other; /* Stab other. */ 353 short stab_desc; /* Stab desc. */ 354 const char *stab_name; /* String for stab type. */ 355} symbol_info; 356 357/* Get the name of a stabs type code. */ 358 359extern const char *bfd_get_stab_name PARAMS ((int)); 360 361/* Hash table routines. There is no way to free up a hash table. */ 362 363/* An element in the hash table. Most uses will actually use a larger 364 structure, and an instance of this will be the first field. */ 365 366struct bfd_hash_entry 367{ 368 /* Next entry for this hash code. */ 369 struct bfd_hash_entry *next; 370 /* String being hashed. */ 371 const char *string; 372 /* Hash code. This is the full hash code, not the index into the 373 table. */ 374 unsigned long hash; 375}; 376 377/* A hash table. */ 378 379struct bfd_hash_table 380{ 381 /* The hash array. */ 382 struct bfd_hash_entry **table; 383 /* The number of slots in the hash table. */ 384 unsigned int size; 385 /* A function used to create new elements in the hash table. The 386 first entry is itself a pointer to an element. When this 387 function is first invoked, this pointer will be NULL. However, 388 having the pointer permits a hierarchy of method functions to be 389 built each of which calls the function in the superclass. Thus 390 each function should be written to allocate a new block of memory 391 only if the argument is NULL. */ 392 struct bfd_hash_entry *(*newfunc) PARAMS ((struct bfd_hash_entry *, 393 struct bfd_hash_table *, 394 const char *)); 395 /* An objalloc for this hash table. This is a struct objalloc *, 396 but we use PTR to avoid requiring the inclusion of objalloc.h. */ 397 PTR memory; 398}; 399 400/* Initialize a hash table. */ 401extern boolean bfd_hash_table_init 402 PARAMS ((struct bfd_hash_table *, 403 struct bfd_hash_entry *(*) (struct bfd_hash_entry *, 404 struct bfd_hash_table *, 405 const char *))); 406 407/* Initialize a hash table specifying a size. */ 408extern boolean bfd_hash_table_init_n 409 PARAMS ((struct bfd_hash_table *, 410 struct bfd_hash_entry *(*) (struct bfd_hash_entry *, 411 struct bfd_hash_table *, 412 const char *), 413 unsigned int size)); 414 415/* Free up a hash table. */ 416extern void bfd_hash_table_free PARAMS ((struct bfd_hash_table *)); 417 418/* Look up a string in a hash table. If CREATE is true, a new entry 419 will be created for this string if one does not already exist. The 420 COPY argument must be true if this routine should copy the string 421 into newly allocated memory when adding an entry. */ 422extern struct bfd_hash_entry *bfd_hash_lookup 423 PARAMS ((struct bfd_hash_table *, const char *, boolean create, 424 boolean copy)); 425 426/* Replace an entry in a hash table. */ 427extern void bfd_hash_replace 428 PARAMS ((struct bfd_hash_table *, struct bfd_hash_entry *old, 429 struct bfd_hash_entry *nw)); 430 431/* Base method for creating a hash table entry. */ 432extern struct bfd_hash_entry *bfd_hash_newfunc 433 PARAMS ((struct bfd_hash_entry *, struct bfd_hash_table *, 434 const char *)); 435 436/* Grab some space for a hash table entry. */ 437extern PTR bfd_hash_allocate PARAMS ((struct bfd_hash_table *, 438 unsigned int)); 439 440/* Traverse a hash table in a random order, calling a function on each 441 element. If the function returns false, the traversal stops. The 442 INFO argument is passed to the function. */ 443extern void bfd_hash_traverse PARAMS ((struct bfd_hash_table *, 444 boolean (*) (struct bfd_hash_entry *, 445 PTR), 446 PTR info)); 447 448#define COFF_SWAP_TABLE (PTR) &bfd_coff_std_swap_table 449 450/* User program access to BFD facilities */ 451 452/* Direct I/O routines, for programs which know more about the object 453 file than BFD does. Use higher level routines if possible. */ 454 455extern bfd_size_type bfd_bread PARAMS ((PTR, bfd_size_type, bfd *)); 456extern bfd_size_type bfd_bwrite PARAMS ((const PTR, bfd_size_type, bfd *)); 457extern int bfd_seek PARAMS ((bfd *, file_ptr, int)); 458extern ufile_ptr bfd_tell PARAMS ((bfd *)); 459extern int bfd_flush PARAMS ((bfd *)); 460extern int bfd_stat PARAMS ((bfd *, struct stat *)); 461 462/* Deprecated old routines. */ 463#if __GNUC__ 464#define bfd_read(BUF, ELTSIZE, NITEMS, ABFD) \ 465 (warn_deprecated ("bfd_read", __FILE__, __LINE__, __FUNCTION__), \ 466 bfd_bread ((BUF), (ELTSIZE) * (NITEMS), (ABFD))) 467#define bfd_write(BUF, ELTSIZE, NITEMS, ABFD) \ 468 (warn_deprecated ("bfd_write", __FILE__, __LINE__, __FUNCTION__), \ 469 bfd_bwrite ((BUF), (ELTSIZE) * (NITEMS), (ABFD))) 470#else 471#define bfd_read(BUF, ELTSIZE, NITEMS, ABFD) \ 472 (warn_deprecated ("bfd_read", (const char *) 0, 0, (const char *) 0), \ 473 bfd_bread ((BUF), (ELTSIZE) * (NITEMS), (ABFD))) 474#define bfd_write(BUF, ELTSIZE, NITEMS, ABFD) \ 475 (warn_deprecated ("bfd_write", (const char *) 0, 0, (const char *) 0),\ 476 bfd_bwrite ((BUF), (ELTSIZE) * (NITEMS), (ABFD))) 477#endif 478extern void warn_deprecated 479 PARAMS ((const char *, const char *, int, const char *)); 480 481/* Cast from const char * to char * so that caller can assign to 482 a char * without a warning. */ 483#define bfd_get_filename(abfd) ((char *) (abfd)->filename) 484#define bfd_get_cacheable(abfd) ((abfd)->cacheable) 485#define bfd_get_format(abfd) ((abfd)->format) 486#define bfd_get_target(abfd) ((abfd)->xvec->name) 487#define bfd_get_flavour(abfd) ((abfd)->xvec->flavour) 488#define bfd_family_coff(abfd) \ 489 (bfd_get_flavour (abfd) == bfd_target_coff_flavour || \ 490 bfd_get_flavour (abfd) == bfd_target_xcoff_flavour) 491#define bfd_big_endian(abfd) ((abfd)->xvec->byteorder == BFD_ENDIAN_BIG) 492#define bfd_little_endian(abfd) ((abfd)->xvec->byteorder == BFD_ENDIAN_LITTLE) 493#define bfd_header_big_endian(abfd) \ 494 ((abfd)->xvec->header_byteorder == BFD_ENDIAN_BIG) 495#define bfd_header_little_endian(abfd) \ 496 ((abfd)->xvec->header_byteorder == BFD_ENDIAN_LITTLE) 497#define bfd_get_file_flags(abfd) ((abfd)->flags) 498#define bfd_applicable_file_flags(abfd) ((abfd)->xvec->object_flags) 499#define bfd_applicable_section_flags(abfd) ((abfd)->xvec->section_flags) 500#define bfd_my_archive(abfd) ((abfd)->my_archive) 501#define bfd_has_map(abfd) ((abfd)->has_armap) 502 503#define bfd_valid_reloc_types(abfd) ((abfd)->xvec->valid_reloc_types) 504#define bfd_usrdata(abfd) ((abfd)->usrdata) 505 506#define bfd_get_start_address(abfd) ((abfd)->start_address) 507#define bfd_get_symcount(abfd) ((abfd)->symcount) 508#define bfd_get_outsymbols(abfd) ((abfd)->outsymbols) 509#define bfd_count_sections(abfd) ((abfd)->section_count) 510 511#define bfd_get_symbol_leading_char(abfd) ((abfd)->xvec->symbol_leading_char) 512 513#define bfd_set_cacheable(abfd,bool) (((abfd)->cacheable = (boolean) (bool)), true) 514 515extern boolean bfd_cache_close PARAMS ((bfd *abfd)); 516/* NB: This declaration should match the autogenerated one in libbfd.h. */ 517 518extern boolean bfd_record_phdr 519 PARAMS ((bfd *, unsigned long, boolean, flagword, boolean, bfd_vma, 520 boolean, boolean, unsigned int, struct sec **)); 521 522/* Byte swapping routines. */ 523 524bfd_vma bfd_getb64 PARAMS ((const unsigned char *)); 525bfd_vma bfd_getl64 PARAMS ((const unsigned char *)); 526bfd_signed_vma bfd_getb_signed_64 PARAMS ((const unsigned char *)); 527bfd_signed_vma bfd_getl_signed_64 PARAMS ((const unsigned char *)); 528bfd_vma bfd_getb32 PARAMS ((const unsigned char *)); 529bfd_vma bfd_getl32 PARAMS ((const unsigned char *)); 530bfd_signed_vma bfd_getb_signed_32 PARAMS ((const unsigned char *)); 531bfd_signed_vma bfd_getl_signed_32 PARAMS ((const unsigned char *)); 532bfd_vma bfd_getb16 PARAMS ((const unsigned char *)); 533bfd_vma bfd_getl16 PARAMS ((const unsigned char *)); 534bfd_signed_vma bfd_getb_signed_16 PARAMS ((const unsigned char *)); 535bfd_signed_vma bfd_getl_signed_16 PARAMS ((const unsigned char *)); 536void bfd_putb64 PARAMS ((bfd_vma, unsigned char *)); 537void bfd_putl64 PARAMS ((bfd_vma, unsigned char *)); 538void bfd_putb32 PARAMS ((bfd_vma, unsigned char *)); 539void bfd_putl32 PARAMS ((bfd_vma, unsigned char *)); 540void bfd_putb16 PARAMS ((bfd_vma, unsigned char *)); 541void bfd_putl16 PARAMS ((bfd_vma, unsigned char *)); 542 543/* Byte swapping routines which take size and endiannes as arguments. */ 544 545bfd_vma bfd_get_bits PARAMS ((bfd_byte *, int, boolean)); 546void bfd_put_bits PARAMS ((bfd_vma, bfd_byte *, int, boolean)); 547 548/* Externally visible ECOFF routines. */ 549 550#if defined(__STDC__) || defined(ALMOST_STDC) 551struct ecoff_debug_info; 552struct ecoff_debug_swap; 553struct ecoff_extr; 554struct symbol_cache_entry; 555struct bfd_link_info; 556struct bfd_link_hash_entry; 557struct bfd_elf_version_tree; 558#endif 559extern bfd_vma bfd_ecoff_get_gp_value PARAMS ((bfd * abfd)); 560extern boolean bfd_ecoff_set_gp_value PARAMS ((bfd *abfd, bfd_vma gp_value)); 561extern boolean bfd_ecoff_set_regmasks 562 PARAMS ((bfd *abfd, unsigned long gprmask, unsigned long fprmask, 563 unsigned long *cprmask)); 564extern PTR bfd_ecoff_debug_init 565 PARAMS ((bfd *output_bfd, struct ecoff_debug_info *output_debug, 566 const struct ecoff_debug_swap *output_swap, 567 struct bfd_link_info *)); 568extern void bfd_ecoff_debug_free 569 PARAMS ((PTR handle, bfd *output_bfd, struct ecoff_debug_info *output_debug, 570 const struct ecoff_debug_swap *output_swap, 571 struct bfd_link_info *)); 572extern boolean bfd_ecoff_debug_accumulate 573 PARAMS ((PTR handle, bfd *output_bfd, struct ecoff_debug_info *output_debug, 574 const struct ecoff_debug_swap *output_swap, 575 bfd *input_bfd, struct ecoff_debug_info *input_debug, 576 const struct ecoff_debug_swap *input_swap, 577 struct bfd_link_info *)); 578extern boolean bfd_ecoff_debug_accumulate_other 579 PARAMS ((PTR handle, bfd *output_bfd, struct ecoff_debug_info *output_debug, 580 const struct ecoff_debug_swap *output_swap, bfd *input_bfd, 581 struct bfd_link_info *)); 582extern boolean bfd_ecoff_debug_externals 583 PARAMS ((bfd *abfd, struct ecoff_debug_info *debug, 584 const struct ecoff_debug_swap *swap, 585 boolean relocateable, 586 boolean (*get_extr) (struct symbol_cache_entry *, 587 struct ecoff_extr *), 588 void (*set_index) (struct symbol_cache_entry *, 589 bfd_size_type))); 590extern boolean bfd_ecoff_debug_one_external 591 PARAMS ((bfd *abfd, struct ecoff_debug_info *debug, 592 const struct ecoff_debug_swap *swap, 593 const char *name, struct ecoff_extr *esym)); 594extern bfd_size_type bfd_ecoff_debug_size 595 PARAMS ((bfd *abfd, struct ecoff_debug_info *debug, 596 const struct ecoff_debug_swap *swap)); 597extern boolean bfd_ecoff_write_debug 598 PARAMS ((bfd *abfd, struct ecoff_debug_info *debug, 599 const struct ecoff_debug_swap *swap, file_ptr where)); 600extern boolean bfd_ecoff_write_accumulated_debug 601 PARAMS ((PTR handle, bfd *abfd, struct ecoff_debug_info *debug, 602 const struct ecoff_debug_swap *swap, 603 struct bfd_link_info *info, file_ptr where)); 604extern boolean bfd_mips_ecoff_create_embedded_relocs 605 PARAMS ((bfd *, struct bfd_link_info *, struct sec *, struct sec *, 606 char **)); 607 608/* Externally visible ELF routines. */ 609 610struct bfd_link_needed_list 611{ 612 struct bfd_link_needed_list *next; 613 bfd *by; 614 const char *name; 615}; 616 617extern boolean bfd_elf32_record_link_assignment 618 PARAMS ((bfd *, struct bfd_link_info *, const char *, boolean)); 619extern boolean bfd_elf64_record_link_assignment 620 PARAMS ((bfd *, struct bfd_link_info *, const char *, boolean)); 621extern struct bfd_link_needed_list *bfd_elf_get_needed_list 622 PARAMS ((bfd *, struct bfd_link_info *)); 623extern boolean bfd_elf_get_bfd_needed_list 624 PARAMS ((bfd *, struct bfd_link_needed_list **)); 625extern boolean bfd_elf32_size_dynamic_sections 626 PARAMS ((bfd *, const char *, const char *, const char *, 627 const char * const *, struct bfd_link_info *, struct sec **, 628 struct bfd_elf_version_tree *)); 629extern boolean bfd_elf64_size_dynamic_sections 630 PARAMS ((bfd *, const char *, const char *, const char *, 631 const char * const *, struct bfd_link_info *, struct sec **, 632 struct bfd_elf_version_tree *)); 633extern void bfd_elf_set_dt_needed_name PARAMS ((bfd *, const char *)); 634extern void bfd_elf_set_dt_needed_soname PARAMS ((bfd *, const char *)); 635extern const char *bfd_elf_get_dt_soname PARAMS ((bfd *)); 636extern struct bfd_link_needed_list *bfd_elf_get_runpath_list 637 PARAMS ((bfd *, struct bfd_link_info *)); 638extern boolean bfd_elf32_discard_info 639 PARAMS ((bfd *, struct bfd_link_info *)); 640extern boolean bfd_elf64_discard_info 641 PARAMS ((bfd *, struct bfd_link_info *)); 642 643/* Return an upper bound on the number of bytes required to store a 644 copy of ABFD's program header table entries. Return -1 if an error 645 occurs; bfd_get_error will return an appropriate code. */ 646extern long bfd_get_elf_phdr_upper_bound PARAMS ((bfd *abfd)); 647 648/* Copy ABFD's program header table entries to *PHDRS. The entries 649 will be stored as an array of Elf_Internal_Phdr structures, as 650 defined in include/elf/internal.h. To find out how large the 651 buffer needs to be, call bfd_get_elf_phdr_upper_bound. 652 653 Return the number of program header table entries read, or -1 if an 654 error occurs; bfd_get_error will return an appropriate code. */ 655extern int bfd_get_elf_phdrs PARAMS ((bfd *abfd, void *phdrs)); 656 657/* Return the arch_size field of an elf bfd, or -1 if not elf. */ 658extern int bfd_get_arch_size PARAMS ((bfd *)); 659 660/* Return true if address "naturally" sign extends, or -1 if not elf. */ 661extern int bfd_get_sign_extend_vma PARAMS ((bfd *)); 662 663extern boolean bfd_m68k_elf32_create_embedded_relocs 664 PARAMS ((bfd *, struct bfd_link_info *, struct sec *, struct sec *, 665 char **)); 666 667/* SunOS shared library support routines for the linker. */ 668 669extern struct bfd_link_needed_list *bfd_sunos_get_needed_list 670 PARAMS ((bfd *, struct bfd_link_info *)); 671extern boolean bfd_sunos_record_link_assignment 672 PARAMS ((bfd *, struct bfd_link_info *, const char *)); 673extern boolean bfd_sunos_size_dynamic_sections 674 PARAMS ((bfd *, struct bfd_link_info *, struct sec **, struct sec **, 675 struct sec **)); 676 677/* Linux shared library support routines for the linker. */ 678 679extern boolean bfd_i386linux_size_dynamic_sections 680 PARAMS ((bfd *, struct bfd_link_info *)); 681extern boolean bfd_m68klinux_size_dynamic_sections 682 PARAMS ((bfd *, struct bfd_link_info *)); 683extern boolean bfd_sparclinux_size_dynamic_sections 684 PARAMS ((bfd *, struct bfd_link_info *)); 685 686/* mmap hacks */ 687 688struct _bfd_window_internal; 689typedef struct _bfd_window_internal bfd_window_internal; 690 691typedef struct _bfd_window { 692 /* What the user asked for. */ 693 PTR data; 694 bfd_size_type size; 695 /* The actual window used by BFD. Small user-requested read-only 696 regions sharing a page may share a single window into the object 697 file. Read-write versions shouldn't until I've fixed things to 698 keep track of which portions have been claimed by the 699 application; don't want to give the same region back when the 700 application wants two writable copies! */ 701 struct _bfd_window_internal *i; 702} bfd_window; 703 704extern void bfd_init_window PARAMS ((bfd_window *)); 705extern void bfd_free_window PARAMS ((bfd_window *)); 706extern boolean bfd_get_file_window 707 PARAMS ((bfd *, file_ptr, bfd_size_type, bfd_window *, boolean)); 708 709/* XCOFF support routines for the linker. */ 710 711extern boolean bfd_xcoff_link_record_set 712 PARAMS ((bfd *, struct bfd_link_info *, struct bfd_link_hash_entry *, 713 bfd_size_type)); 714extern boolean bfd_xcoff_import_symbol 715 PARAMS ((bfd *, struct bfd_link_info *, struct bfd_link_hash_entry *, 716 bfd_vma, const char *, const char *, const char *, unsigned int)); 717extern boolean bfd_xcoff_export_symbol 718 PARAMS ((bfd *, struct bfd_link_info *, struct bfd_link_hash_entry *)); 719extern boolean bfd_xcoff_link_count_reloc 720 PARAMS ((bfd *, struct bfd_link_info *, const char *)); 721extern boolean bfd_xcoff_record_link_assignment 722 PARAMS ((bfd *, struct bfd_link_info *, const char *)); 723extern boolean bfd_xcoff_size_dynamic_sections 724 PARAMS ((bfd *, struct bfd_link_info *, const char *, const char *, 725 unsigned long, unsigned long, unsigned long, boolean, 726 int, boolean, boolean, struct sec **)); 727extern boolean bfd_xcoff_link_generate_rtinit 728 PARAMS ((bfd *, const char *, const char *)); 729 730/* Externally visible COFF routines. */ 731 732#if defined(__STDC__) || defined(ALMOST_STDC) 733struct internal_syment; 734union internal_auxent; 735#endif 736 737extern boolean bfd_coff_get_syment 738 PARAMS ((bfd *, struct symbol_cache_entry *, struct internal_syment *)); 739 740extern boolean bfd_coff_get_auxent 741 PARAMS ((bfd *, struct symbol_cache_entry *, int, union internal_auxent *)); 742 743extern boolean bfd_coff_set_symbol_class 744 PARAMS ((bfd *, struct symbol_cache_entry *, unsigned int)); 745 746extern boolean bfd_m68k_coff_create_embedded_relocs 747 PARAMS ((bfd *, struct bfd_link_info *, struct sec *, struct sec *, 748 char **)); 749 750/* ARM Interworking support. Called from linker. */ 751extern boolean bfd_arm_allocate_interworking_sections 752 PARAMS ((struct bfd_link_info *)); 753 754extern boolean bfd_arm_process_before_allocation 755 PARAMS ((bfd *, struct bfd_link_info *, int)); 756 757extern boolean bfd_arm_get_bfd_for_interworking 758 PARAMS ((bfd *, struct bfd_link_info *)); 759 760/* PE ARM Interworking support. Called from linker. */ 761extern boolean bfd_arm_pe_allocate_interworking_sections 762 PARAMS ((struct bfd_link_info *)); 763 764extern boolean bfd_arm_pe_process_before_allocation 765 PARAMS ((bfd *, struct bfd_link_info *, int)); 766 767extern boolean bfd_arm_pe_get_bfd_for_interworking 768 PARAMS ((bfd *, struct bfd_link_info *)); 769 770/* ELF ARM Interworking support. Called from linker. */ 771extern boolean bfd_elf32_arm_allocate_interworking_sections 772 PARAMS ((struct bfd_link_info *)); 773 774extern boolean bfd_elf32_arm_process_before_allocation 775 PARAMS ((bfd *, struct bfd_link_info *, int)); 776 777extern boolean bfd_elf32_arm_get_bfd_for_interworking 778 PARAMS ((bfd *, struct bfd_link_info *)); 779 780/* TI COFF load page support. */ 781extern void bfd_ticoff_set_section_load_page 782 PARAMS ((struct sec *, int)); 783 784extern int bfd_ticoff_get_section_load_page 785 PARAMS ((struct sec *)); 786 787/* And more from the source. */ 788