27e55c4d0b
ld/ * emultempl/armelf.em (pic_veneer): New variable. (PARSE_AND_LIST_PROLOGUE): Add OPTION_PIC_VENEER. (PARSE_AND_LIST_ARGS_CASES): Ditto. (PARSE_AND_LIST_LONGOPTS): Add "pic-veneer". (PARSE_AND_LIST_OPTIONS): Ditto. * ld.texinfo: Document --pic-veneer. ld/testsuite/ * ld-arm/arm-elf.exp (ld-arm/arm-elf.exp): Add arm-pic-veneer. * ld-arm/arm-pic-veneer.d: New test. * ld-arm/arm-pic-veneer.s: New test. bfd/ * bfd-in.h (bfd_elf32_arm_set_target_relocs): Update prototype. * bfd-in2.h: Regenerate. * elf32-arm.c (elf32_arm_link_hash_table): Add pic_veneer. (record_arm_to_thumb_glue): Use globals->pic_veneer. (elf32_arm_create_thumb_stub): Ditto. (bfd_elf32_arm_set_target_relocs): Set globals->pic_veneer.
972 lines
34 KiB
C
972 lines
34 KiB
C
/* Main header file for the bfd library -- portable access to object files.
|
||
|
||
Copyright 1990, 1991, 1992, 1993, 1994, 1995, 1996, 1997, 1998,
|
||
1999, 2000, 2001, 2002, 2003, 2004, 2005, 2006, 2007
|
||
Free Software Foundation, Inc.
|
||
|
||
Contributed by Cygnus Support.
|
||
|
||
This file is part of BFD, the Binary File Descriptor library.
|
||
|
||
This program is free software; you can redistribute it and/or modify
|
||
it under the terms of the GNU General Public License as published by
|
||
the Free Software Foundation; either version 2 of the License, or
|
||
(at your option) any later version.
|
||
|
||
This program is distributed in the hope that it will be useful,
|
||
but WITHOUT ANY WARRANTY; without even the implied warranty of
|
||
MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
|
||
GNU General Public License for more details.
|
||
|
||
You should have received a copy of the GNU General Public License
|
||
along with this program; if not, write to the Free Software
|
||
Foundation, Inc., 51 Franklin Street - Fifth Floor, Boston, MA 02110-1301, USA. */
|
||
|
||
#ifndef __BFD_H_SEEN__
|
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#define __BFD_H_SEEN__
|
||
|
||
#ifdef __cplusplus
|
||
extern "C" {
|
||
#endif
|
||
|
||
#include "ansidecl.h"
|
||
#include "symcat.h"
|
||
#if defined (__STDC__) || defined (ALMOST_STDC) || defined (HAVE_STRINGIZE)
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||
#ifndef SABER
|
||
/* This hack is to avoid a problem with some strict ANSI C preprocessors.
|
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The problem is, "32_" is not a valid preprocessing token, and we don't
|
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want extra underscores (e.g., "nlm_32_"). The XCONCAT2 macro will
|
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cause the inner CONCAT2 macros to be evaluated first, producing
|
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still-valid pp-tokens. Then the final concatenation can be done. */
|
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#undef CONCAT4
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#define CONCAT4(a,b,c,d) XCONCAT2(CONCAT2(a,b),CONCAT2(c,d))
|
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#endif
|
||
#endif
|
||
|
||
/* This is a utility macro to handle the situation where the code
|
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wants to place a constant string into the code, followed by a
|
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comma and then the length of the string. Doing this by hand
|
||
is error prone, so using this macro is safer. The macro will
|
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also safely handle the case where a NULL is passed as the arg. */
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#define STRING_COMMA_LEN(STR) (STR), ((STR) ? sizeof (STR) - 1 : 0)
|
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/* Unfortunately it is not possible to use the STRING_COMMA_LEN macro
|
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to create the arguments to another macro, since the preprocessor
|
||
will mis-count the number of arguments to the outer macro (by not
|
||
evaluating STRING_COMMA_LEN and so missing the comma). This is a
|
||
problem for example when trying to use STRING_COMMA_LEN to build
|
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the arguments to the strncmp() macro. Hence this alternative
|
||
definition of strncmp is provided here.
|
||
|
||
Note - these macros do NOT work if STR2 is not a constant string. */
|
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#define CONST_STRNEQ(STR1,STR2) (strncmp ((STR1), (STR2), sizeof (STR2) - 1) == 0)
|
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/* strcpy() can have a similar problem, but since we know we are
|
||
copying a constant string, we can use memcpy which will be faster
|
||
since there is no need to check for a NUL byte inside STR. We
|
||
can also save time if we do not need to copy the terminating NUL. */
|
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#define LITMEMCPY(DEST,STR2) memcpy ((DEST), (STR2), sizeof (STR2) - 1)
|
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#define LITSTRCPY(DEST,STR2) memcpy ((DEST), (STR2), sizeof (STR2))
|
||
|
||
|
||
/* The word size used by BFD on the host. This may be 64 with a 32
|
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bit target if the host is 64 bit, or if other 64 bit targets have
|
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been selected with --enable-targets, or if --enable-64-bit-bfd. */
|
||
#define BFD_ARCH_SIZE @wordsize@
|
||
|
||
/* The word size of the default bfd target. */
|
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#define BFD_DEFAULT_TARGET_SIZE @bfd_default_target_size@
|
||
|
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#define BFD_HOST_64BIT_LONG @BFD_HOST_64BIT_LONG@
|
||
#define BFD_HOST_LONG_LONG @BFD_HOST_LONG_LONG@
|
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#if @BFD_HOST_64_BIT_DEFINED@
|
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#define BFD_HOST_64_BIT @BFD_HOST_64_BIT@
|
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#define BFD_HOST_U_64_BIT @BFD_HOST_U_64_BIT@
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typedef BFD_HOST_64_BIT bfd_int64_t;
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typedef BFD_HOST_U_64_BIT bfd_uint64_t;
|
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#endif
|
||
|
||
#if BFD_ARCH_SIZE >= 64
|
||
#define BFD64
|
||
#endif
|
||
|
||
#ifndef INLINE
|
||
#if __GNUC__ >= 2
|
||
#define INLINE __inline__
|
||
#else
|
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#define INLINE
|
||
#endif
|
||
#endif
|
||
|
||
/* Forward declaration. */
|
||
typedef struct bfd bfd;
|
||
|
||
/* Boolean type used in bfd. Too many systems define their own
|
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versions of "boolean" for us to safely typedef a "boolean" of
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our own. Using an enum for "bfd_boolean" has its own set of
|
||
problems, with strange looking casts required to avoid warnings
|
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on some older compilers. Thus we just use an int.
|
||
|
||
General rule: Functions which are bfd_boolean return TRUE on
|
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success and FALSE on failure (unless they're a predicate). */
|
||
|
||
typedef int bfd_boolean;
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#undef FALSE
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||
#undef TRUE
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#define FALSE 0
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||
#define TRUE 1
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|
||
#ifdef BFD64
|
||
|
||
#ifndef BFD_HOST_64_BIT
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#error No 64 bit integer type available
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#endif /* ! defined (BFD_HOST_64_BIT) */
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|
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typedef BFD_HOST_U_64_BIT bfd_vma;
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typedef BFD_HOST_64_BIT bfd_signed_vma;
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typedef BFD_HOST_U_64_BIT bfd_size_type;
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typedef BFD_HOST_U_64_BIT symvalue;
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||
|
||
#ifndef fprintf_vma
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#if BFD_HOST_64BIT_LONG
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#define sprintf_vma(s,x) sprintf (s, "%016lx", x)
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#define fprintf_vma(f,x) fprintf (f, "%016lx", x)
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#else
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#define _bfd_int64_low(x) ((unsigned long) (((x) & 0xffffffff)))
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#define _bfd_int64_high(x) ((unsigned long) (((x) >> 32) & 0xffffffff))
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#define fprintf_vma(s,x) \
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fprintf ((s), "%08lx%08lx", _bfd_int64_high (x), _bfd_int64_low (x))
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#define sprintf_vma(s,x) \
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sprintf ((s), "%08lx%08lx", _bfd_int64_high (x), _bfd_int64_low (x))
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#endif
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#endif
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#else /* not BFD64 */
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/* Represent a target address. Also used as a generic unsigned type
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which is guaranteed to be big enough to hold any arithmetic types
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we need to deal with. */
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typedef unsigned long bfd_vma;
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/* A generic signed type which is guaranteed to be big enough to hold any
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arithmetic types we need to deal with. Can be assumed to be compatible
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with bfd_vma in the same way that signed and unsigned ints are compatible
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(as parameters, in assignment, etc). */
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typedef long bfd_signed_vma;
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typedef unsigned long symvalue;
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typedef unsigned long bfd_size_type;
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/* Print a bfd_vma x on stream s. */
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#define fprintf_vma(s,x) fprintf (s, "%08lx", x)
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#define sprintf_vma(s,x) sprintf (s, "%08lx", x)
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#endif /* not BFD64 */
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#define HALF_BFD_SIZE_TYPE \
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(((bfd_size_type) 1) << (8 * sizeof (bfd_size_type) / 2))
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#ifndef BFD_HOST_64_BIT
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/* Fall back on a 32 bit type. The idea is to make these types always
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available for function return types, but in the case that
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BFD_HOST_64_BIT is undefined such a function should abort or
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otherwise signal an error. */
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typedef bfd_signed_vma bfd_int64_t;
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typedef bfd_vma bfd_uint64_t;
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#endif
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/* An offset into a file. BFD always uses the largest possible offset
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based on the build time availability of fseek, fseeko, or fseeko64. */
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typedef @bfd_file_ptr@ file_ptr;
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typedef unsigned @bfd_file_ptr@ ufile_ptr;
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extern void bfd_sprintf_vma (bfd *, char *, bfd_vma);
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extern void bfd_fprintf_vma (bfd *, void *, bfd_vma);
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#define printf_vma(x) fprintf_vma(stdout,x)
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#define bfd_printf_vma(abfd,x) bfd_fprintf_vma (abfd,stdout,x)
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typedef unsigned int flagword; /* 32 bits of flags */
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typedef unsigned char bfd_byte;
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/* File formats. */
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typedef enum bfd_format
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{
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||
bfd_unknown = 0, /* File format is unknown. */
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bfd_object, /* Linker/assembler/compiler output. */
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||
bfd_archive, /* Object archive file. */
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||
bfd_core, /* Core dump. */
|
||
bfd_type_end /* Marks the end; don't use it! */
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||
}
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bfd_format;
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/* Values that may appear in the flags field of a BFD. These also
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appear in the object_flags field of the bfd_target structure, where
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they indicate the set of flags used by that backend (not all flags
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are meaningful for all object file formats) (FIXME: at the moment,
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the object_flags values have mostly just been copied from backend
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to another, and are not necessarily correct). */
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/* No flags. */
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#define BFD_NO_FLAGS 0x00
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|
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/* BFD contains relocation entries. */
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||
#define HAS_RELOC 0x01
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|
||
/* BFD is directly executable. */
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#define EXEC_P 0x02
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|
||
/* BFD has line number information (basically used for F_LNNO in a
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COFF header). */
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||
#define HAS_LINENO 0x04
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|
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/* BFD has debugging information. */
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#define HAS_DEBUG 0x08
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|
||
/* BFD has symbols. */
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#define HAS_SYMS 0x10
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|
||
/* BFD has local symbols (basically used for F_LSYMS in a COFF
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header). */
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||
#define HAS_LOCALS 0x20
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|
||
/* BFD is a dynamic object. */
|
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#define DYNAMIC 0x40
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/* Text section is write protected (if D_PAGED is not set, this is
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like an a.out NMAGIC file) (the linker sets this by default, but
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clears it for -r or -N). */
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#define WP_TEXT 0x80
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|
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/* BFD is dynamically paged (this is like an a.out ZMAGIC file) (the
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linker sets this by default, but clears it for -r or -n or -N). */
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#define D_PAGED 0x100
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|
||
/* BFD is relaxable (this means that bfd_relax_section may be able to
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do something) (sometimes bfd_relax_section can do something even if
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this is not set). */
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#define BFD_IS_RELAXABLE 0x200
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|
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/* This may be set before writing out a BFD to request using a
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traditional format. For example, this is used to request that when
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writing out an a.out object the symbols not be hashed to eliminate
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duplicates. */
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#define BFD_TRADITIONAL_FORMAT 0x400
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/* This flag indicates that the BFD contents are actually cached in
|
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memory. If this is set, iostream points to a bfd_in_memory struct. */
|
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#define BFD_IN_MEMORY 0x800
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||
|
||
/* The sections in this BFD specify a memory page. */
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#define HAS_LOAD_PAGE 0x1000
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|
||
/* This BFD has been created by the linker and doesn't correspond
|
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to any input file. */
|
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#define BFD_LINKER_CREATED 0x2000
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||
|
||
/* Symbols and relocation. */
|
||
|
||
/* A count of carsyms (canonical archive symbols). */
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typedef unsigned long symindex;
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|
||
/* How to perform a relocation. */
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typedef const struct reloc_howto_struct reloc_howto_type;
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|
||
#define BFD_NO_MORE_SYMBOLS ((symindex) ~0)
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|
||
/* General purpose part of a symbol X;
|
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target specific parts are in libcoff.h, libaout.h, etc. */
|
||
|
||
#define bfd_get_section(x) ((x)->section)
|
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#define bfd_get_output_section(x) ((x)->section->output_section)
|
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#define bfd_set_section(x,y) ((x)->section) = (y)
|
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#define bfd_asymbol_base(x) ((x)->section->vma)
|
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#define bfd_asymbol_value(x) (bfd_asymbol_base(x) + (x)->value)
|
||
#define bfd_asymbol_name(x) ((x)->name)
|
||
/*Perhaps future: #define bfd_asymbol_bfd(x) ((x)->section->owner)*/
|
||
#define bfd_asymbol_bfd(x) ((x)->the_bfd)
|
||
#define bfd_asymbol_flavour(x) (bfd_asymbol_bfd(x)->xvec->flavour)
|
||
|
||
/* A canonical archive symbol. */
|
||
/* This is a type pun with struct ranlib on purpose! */
|
||
typedef struct carsym
|
||
{
|
||
char *name;
|
||
file_ptr file_offset; /* Look here to find the file. */
|
||
}
|
||
carsym; /* To make these you call a carsymogen. */
|
||
|
||
/* Used in generating armaps (archive tables of contents).
|
||
Perhaps just a forward definition would do? */
|
||
struct orl /* Output ranlib. */
|
||
{
|
||
char **name; /* Symbol name. */
|
||
union
|
||
{
|
||
file_ptr pos;
|
||
bfd *abfd;
|
||
} u; /* bfd* or file position. */
|
||
int namidx; /* Index into string table. */
|
||
};
|
||
|
||
/* Linenumber stuff. */
|
||
typedef struct lineno_cache_entry
|
||
{
|
||
unsigned int line_number; /* Linenumber from start of function. */
|
||
union
|
||
{
|
||
struct bfd_symbol *sym; /* Function name. */
|
||
bfd_vma offset; /* Offset into section. */
|
||
} u;
|
||
}
|
||
alent;
|
||
|
||
/* Object and core file sections. */
|
||
|
||
#define align_power(addr, align) \
|
||
(((addr) + ((bfd_vma) 1 << (align)) - 1) & ((bfd_vma) -1 << (align)))
|
||
|
||
typedef struct bfd_section *sec_ptr;
|
||
|
||
#define bfd_get_section_name(bfd, ptr) ((ptr)->name + 0)
|
||
#define bfd_get_section_vma(bfd, ptr) ((ptr)->vma + 0)
|
||
#define bfd_get_section_lma(bfd, ptr) ((ptr)->lma + 0)
|
||
#define bfd_get_section_alignment(bfd, ptr) ((ptr)->alignment_power + 0)
|
||
#define bfd_section_name(bfd, ptr) ((ptr)->name)
|
||
#define bfd_section_size(bfd, ptr) ((ptr)->size)
|
||
#define bfd_get_section_size(ptr) ((ptr)->size)
|
||
#define bfd_section_vma(bfd, ptr) ((ptr)->vma)
|
||
#define bfd_section_lma(bfd, ptr) ((ptr)->lma)
|
||
#define bfd_section_alignment(bfd, ptr) ((ptr)->alignment_power)
|
||
#define bfd_get_section_flags(bfd, ptr) ((ptr)->flags + 0)
|
||
#define bfd_get_section_userdata(bfd, ptr) ((ptr)->userdata)
|
||
|
||
#define bfd_is_com_section(ptr) (((ptr)->flags & SEC_IS_COMMON) != 0)
|
||
|
||
#define bfd_set_section_vma(bfd, ptr, val) (((ptr)->vma = (ptr)->lma = (val)), ((ptr)->user_set_vma = TRUE), TRUE)
|
||
#define bfd_set_section_alignment(bfd, ptr, val) (((ptr)->alignment_power = (val)),TRUE)
|
||
#define bfd_set_section_userdata(bfd, ptr, val) (((ptr)->userdata = (val)),TRUE)
|
||
/* Find the address one past the end of SEC. */
|
||
#define bfd_get_section_limit(bfd, sec) \
|
||
(((sec)->rawsize ? (sec)->rawsize : (sec)->size) \
|
||
/ bfd_octets_per_byte (bfd))
|
||
|
||
/* Return TRUE if section has been discarded. */
|
||
#define elf_discarded_section(sec) \
|
||
(!bfd_is_abs_section (sec) \
|
||
&& bfd_is_abs_section ((sec)->output_section) \
|
||
&& (sec)->sec_info_type != ELF_INFO_TYPE_MERGE \
|
||
&& (sec)->sec_info_type != ELF_INFO_TYPE_JUST_SYMS)
|
||
|
||
/* Forward define. */
|
||
struct stat;
|
||
|
||
typedef enum bfd_print_symbol
|
||
{
|
||
bfd_print_symbol_name,
|
||
bfd_print_symbol_more,
|
||
bfd_print_symbol_all
|
||
} bfd_print_symbol_type;
|
||
|
||
/* Information about a symbol that nm needs. */
|
||
|
||
typedef struct _symbol_info
|
||
{
|
||
symvalue value;
|
||
char type;
|
||
const char *name; /* Symbol name. */
|
||
unsigned char stab_type; /* Stab type. */
|
||
char stab_other; /* Stab other. */
|
||
short stab_desc; /* Stab desc. */
|
||
const char *stab_name; /* String for stab type. */
|
||
} symbol_info;
|
||
|
||
/* Get the name of a stabs type code. */
|
||
|
||
extern const char *bfd_get_stab_name (int);
|
||
|
||
/* Hash table routines. There is no way to free up a hash table. */
|
||
|
||
/* An element in the hash table. Most uses will actually use a larger
|
||
structure, and an instance of this will be the first field. */
|
||
|
||
struct bfd_hash_entry
|
||
{
|
||
/* Next entry for this hash code. */
|
||
struct bfd_hash_entry *next;
|
||
/* String being hashed. */
|
||
const char *string;
|
||
/* Hash code. This is the full hash code, not the index into the
|
||
table. */
|
||
unsigned long hash;
|
||
};
|
||
|
||
/* A hash table. */
|
||
|
||
struct bfd_hash_table
|
||
{
|
||
/* The hash array. */
|
||
struct bfd_hash_entry **table;
|
||
/* A function used to create new elements in the hash table. The
|
||
first entry is itself a pointer to an element. When this
|
||
function is first invoked, this pointer will be NULL. However,
|
||
having the pointer permits a hierarchy of method functions to be
|
||
built each of which calls the function in the superclass. Thus
|
||
each function should be written to allocate a new block of memory
|
||
only if the argument is NULL. */
|
||
struct bfd_hash_entry *(*newfunc)
|
||
(struct bfd_hash_entry *, struct bfd_hash_table *, const char *);
|
||
/* An objalloc for this hash table. This is a struct objalloc *,
|
||
but we use void * to avoid requiring the inclusion of objalloc.h. */
|
||
void *memory;
|
||
/* The number of slots in the hash table. */
|
||
unsigned int size;
|
||
/* The number of entries in the hash table. */
|
||
unsigned int count;
|
||
/* The size of elements. */
|
||
unsigned int entsize;
|
||
/* If non-zero, don't grow the hash table. */
|
||
unsigned int frozen:1;
|
||
};
|
||
|
||
/* Initialize a hash table. */
|
||
extern bfd_boolean bfd_hash_table_init
|
||
(struct bfd_hash_table *,
|
||
struct bfd_hash_entry *(*) (struct bfd_hash_entry *,
|
||
struct bfd_hash_table *,
|
||
const char *),
|
||
unsigned int);
|
||
|
||
/* Initialize a hash table specifying a size. */
|
||
extern bfd_boolean bfd_hash_table_init_n
|
||
(struct bfd_hash_table *,
|
||
struct bfd_hash_entry *(*) (struct bfd_hash_entry *,
|
||
struct bfd_hash_table *,
|
||
const char *),
|
||
unsigned int, unsigned int);
|
||
|
||
/* Free up a hash table. */
|
||
extern void bfd_hash_table_free
|
||
(struct bfd_hash_table *);
|
||
|
||
/* Look up a string in a hash table. If CREATE is TRUE, a new entry
|
||
will be created for this string if one does not already exist. The
|
||
COPY argument must be TRUE if this routine should copy the string
|
||
into newly allocated memory when adding an entry. */
|
||
extern struct bfd_hash_entry *bfd_hash_lookup
|
||
(struct bfd_hash_table *, const char *, bfd_boolean create,
|
||
bfd_boolean copy);
|
||
|
||
/* Replace an entry in a hash table. */
|
||
extern void bfd_hash_replace
|
||
(struct bfd_hash_table *, struct bfd_hash_entry *old,
|
||
struct bfd_hash_entry *nw);
|
||
|
||
/* Base method for creating a hash table entry. */
|
||
extern struct bfd_hash_entry *bfd_hash_newfunc
|
||
(struct bfd_hash_entry *, struct bfd_hash_table *, const char *);
|
||
|
||
/* Grab some space for a hash table entry. */
|
||
extern void *bfd_hash_allocate
|
||
(struct bfd_hash_table *, unsigned int);
|
||
|
||
/* Traverse a hash table in a random order, calling a function on each
|
||
element. If the function returns FALSE, the traversal stops. The
|
||
INFO argument is passed to the function. */
|
||
extern void bfd_hash_traverse
|
||
(struct bfd_hash_table *,
|
||
bfd_boolean (*) (struct bfd_hash_entry *, void *),
|
||
void *info);
|
||
|
||
/* Allows the default size of a hash table to be configured. New hash
|
||
tables allocated using bfd_hash_table_init will be created with
|
||
this size. */
|
||
extern void bfd_hash_set_default_size (bfd_size_type);
|
||
|
||
/* This structure is used to keep track of stabs in sections
|
||
information while linking. */
|
||
|
||
struct stab_info
|
||
{
|
||
/* A hash table used to hold stabs strings. */
|
||
struct bfd_strtab_hash *strings;
|
||
/* The header file hash table. */
|
||
struct bfd_hash_table includes;
|
||
/* The first .stabstr section. */
|
||
struct bfd_section *stabstr;
|
||
};
|
||
|
||
#define COFF_SWAP_TABLE (void *) &bfd_coff_std_swap_table
|
||
|
||
/* User program access to BFD facilities. */
|
||
|
||
/* Direct I/O routines, for programs which know more about the object
|
||
file than BFD does. Use higher level routines if possible. */
|
||
|
||
extern bfd_size_type bfd_bread (void *, bfd_size_type, bfd *);
|
||
extern bfd_size_type bfd_bwrite (const void *, bfd_size_type, bfd *);
|
||
extern int bfd_seek (bfd *, file_ptr, int);
|
||
extern file_ptr bfd_tell (bfd *);
|
||
extern int bfd_flush (bfd *);
|
||
extern int bfd_stat (bfd *, struct stat *);
|
||
|
||
/* Deprecated old routines. */
|
||
#if __GNUC__
|
||
#define bfd_read(BUF, ELTSIZE, NITEMS, ABFD) \
|
||
(warn_deprecated ("bfd_read", __FILE__, __LINE__, __FUNCTION__), \
|
||
bfd_bread ((BUF), (ELTSIZE) * (NITEMS), (ABFD)))
|
||
#define bfd_write(BUF, ELTSIZE, NITEMS, ABFD) \
|
||
(warn_deprecated ("bfd_write", __FILE__, __LINE__, __FUNCTION__), \
|
||
bfd_bwrite ((BUF), (ELTSIZE) * (NITEMS), (ABFD)))
|
||
#else
|
||
#define bfd_read(BUF, ELTSIZE, NITEMS, ABFD) \
|
||
(warn_deprecated ("bfd_read", (const char *) 0, 0, (const char *) 0), \
|
||
bfd_bread ((BUF), (ELTSIZE) * (NITEMS), (ABFD)))
|
||
#define bfd_write(BUF, ELTSIZE, NITEMS, ABFD) \
|
||
(warn_deprecated ("bfd_write", (const char *) 0, 0, (const char *) 0),\
|
||
bfd_bwrite ((BUF), (ELTSIZE) * (NITEMS), (ABFD)))
|
||
#endif
|
||
extern void warn_deprecated (const char *, const char *, int, const char *);
|
||
|
||
/* Cast from const char * to char * so that caller can assign to
|
||
a char * without a warning. */
|
||
#define bfd_get_filename(abfd) ((char *) (abfd)->filename)
|
||
#define bfd_get_cacheable(abfd) ((abfd)->cacheable)
|
||
#define bfd_get_format(abfd) ((abfd)->format)
|
||
#define bfd_get_target(abfd) ((abfd)->xvec->name)
|
||
#define bfd_get_flavour(abfd) ((abfd)->xvec->flavour)
|
||
#define bfd_family_coff(abfd) \
|
||
(bfd_get_flavour (abfd) == bfd_target_coff_flavour || \
|
||
bfd_get_flavour (abfd) == bfd_target_xcoff_flavour)
|
||
#define bfd_big_endian(abfd) ((abfd)->xvec->byteorder == BFD_ENDIAN_BIG)
|
||
#define bfd_little_endian(abfd) ((abfd)->xvec->byteorder == BFD_ENDIAN_LITTLE)
|
||
#define bfd_header_big_endian(abfd) \
|
||
((abfd)->xvec->header_byteorder == BFD_ENDIAN_BIG)
|
||
#define bfd_header_little_endian(abfd) \
|
||
((abfd)->xvec->header_byteorder == BFD_ENDIAN_LITTLE)
|
||
#define bfd_get_file_flags(abfd) ((abfd)->flags)
|
||
#define bfd_applicable_file_flags(abfd) ((abfd)->xvec->object_flags)
|
||
#define bfd_applicable_section_flags(abfd) ((abfd)->xvec->section_flags)
|
||
#define bfd_my_archive(abfd) ((abfd)->my_archive)
|
||
#define bfd_has_map(abfd) ((abfd)->has_armap)
|
||
|
||
#define bfd_valid_reloc_types(abfd) ((abfd)->xvec->valid_reloc_types)
|
||
#define bfd_usrdata(abfd) ((abfd)->usrdata)
|
||
|
||
#define bfd_get_start_address(abfd) ((abfd)->start_address)
|
||
#define bfd_get_symcount(abfd) ((abfd)->symcount)
|
||
#define bfd_get_outsymbols(abfd) ((abfd)->outsymbols)
|
||
#define bfd_count_sections(abfd) ((abfd)->section_count)
|
||
|
||
#define bfd_get_dynamic_symcount(abfd) ((abfd)->dynsymcount)
|
||
|
||
#define bfd_get_symbol_leading_char(abfd) ((abfd)->xvec->symbol_leading_char)
|
||
|
||
#define bfd_set_cacheable(abfd,bool) (((abfd)->cacheable = bool), TRUE)
|
||
|
||
extern bfd_boolean bfd_cache_close
|
||
(bfd *abfd);
|
||
/* NB: This declaration should match the autogenerated one in libbfd.h. */
|
||
|
||
extern bfd_boolean bfd_cache_close_all (void);
|
||
|
||
extern bfd_boolean bfd_record_phdr
|
||
(bfd *, unsigned long, bfd_boolean, flagword, bfd_boolean, bfd_vma,
|
||
bfd_boolean, bfd_boolean, unsigned int, struct bfd_section **);
|
||
|
||
/* Byte swapping routines. */
|
||
|
||
bfd_uint64_t bfd_getb64 (const void *);
|
||
bfd_uint64_t bfd_getl64 (const void *);
|
||
bfd_int64_t bfd_getb_signed_64 (const void *);
|
||
bfd_int64_t bfd_getl_signed_64 (const void *);
|
||
bfd_vma bfd_getb32 (const void *);
|
||
bfd_vma bfd_getl32 (const void *);
|
||
bfd_signed_vma bfd_getb_signed_32 (const void *);
|
||
bfd_signed_vma bfd_getl_signed_32 (const void *);
|
||
bfd_vma bfd_getb16 (const void *);
|
||
bfd_vma bfd_getl16 (const void *);
|
||
bfd_signed_vma bfd_getb_signed_16 (const void *);
|
||
bfd_signed_vma bfd_getl_signed_16 (const void *);
|
||
void bfd_putb64 (bfd_uint64_t, void *);
|
||
void bfd_putl64 (bfd_uint64_t, void *);
|
||
void bfd_putb32 (bfd_vma, void *);
|
||
void bfd_putl32 (bfd_vma, void *);
|
||
void bfd_putb16 (bfd_vma, void *);
|
||
void bfd_putl16 (bfd_vma, void *);
|
||
|
||
/* Byte swapping routines which take size and endiannes as arguments. */
|
||
|
||
bfd_uint64_t bfd_get_bits (const void *, int, bfd_boolean);
|
||
void bfd_put_bits (bfd_uint64_t, void *, int, bfd_boolean);
|
||
|
||
extern bfd_boolean bfd_section_already_linked_table_init (void);
|
||
extern void bfd_section_already_linked_table_free (void);
|
||
|
||
/* Externally visible ECOFF routines. */
|
||
|
||
#if defined(__STDC__) || defined(ALMOST_STDC)
|
||
struct ecoff_debug_info;
|
||
struct ecoff_debug_swap;
|
||
struct ecoff_extr;
|
||
struct bfd_symbol;
|
||
struct bfd_link_info;
|
||
struct bfd_link_hash_entry;
|
||
struct bfd_elf_version_tree;
|
||
#endif
|
||
extern bfd_vma bfd_ecoff_get_gp_value
|
||
(bfd * abfd);
|
||
extern bfd_boolean bfd_ecoff_set_gp_value
|
||
(bfd *abfd, bfd_vma gp_value);
|
||
extern bfd_boolean bfd_ecoff_set_regmasks
|
||
(bfd *abfd, unsigned long gprmask, unsigned long fprmask,
|
||
unsigned long *cprmask);
|
||
extern void *bfd_ecoff_debug_init
|
||
(bfd *output_bfd, struct ecoff_debug_info *output_debug,
|
||
const struct ecoff_debug_swap *output_swap, struct bfd_link_info *);
|
||
extern void bfd_ecoff_debug_free
|
||
(void *handle, bfd *output_bfd, struct ecoff_debug_info *output_debug,
|
||
const struct ecoff_debug_swap *output_swap, struct bfd_link_info *);
|
||
extern bfd_boolean bfd_ecoff_debug_accumulate
|
||
(void *handle, bfd *output_bfd, struct ecoff_debug_info *output_debug,
|
||
const struct ecoff_debug_swap *output_swap, bfd *input_bfd,
|
||
struct ecoff_debug_info *input_debug,
|
||
const struct ecoff_debug_swap *input_swap, struct bfd_link_info *);
|
||
extern bfd_boolean bfd_ecoff_debug_accumulate_other
|
||
(void *handle, bfd *output_bfd, struct ecoff_debug_info *output_debug,
|
||
const struct ecoff_debug_swap *output_swap, bfd *input_bfd,
|
||
struct bfd_link_info *);
|
||
extern bfd_boolean bfd_ecoff_debug_externals
|
||
(bfd *abfd, struct ecoff_debug_info *debug,
|
||
const struct ecoff_debug_swap *swap, bfd_boolean relocatable,
|
||
bfd_boolean (*get_extr) (struct bfd_symbol *, struct ecoff_extr *),
|
||
void (*set_index) (struct bfd_symbol *, bfd_size_type));
|
||
extern bfd_boolean bfd_ecoff_debug_one_external
|
||
(bfd *abfd, struct ecoff_debug_info *debug,
|
||
const struct ecoff_debug_swap *swap, const char *name,
|
||
struct ecoff_extr *esym);
|
||
extern bfd_size_type bfd_ecoff_debug_size
|
||
(bfd *abfd, struct ecoff_debug_info *debug,
|
||
const struct ecoff_debug_swap *swap);
|
||
extern bfd_boolean bfd_ecoff_write_debug
|
||
(bfd *abfd, struct ecoff_debug_info *debug,
|
||
const struct ecoff_debug_swap *swap, file_ptr where);
|
||
extern bfd_boolean bfd_ecoff_write_accumulated_debug
|
||
(void *handle, bfd *abfd, struct ecoff_debug_info *debug,
|
||
const struct ecoff_debug_swap *swap,
|
||
struct bfd_link_info *info, file_ptr where);
|
||
|
||
/* Externally visible ELF routines. */
|
||
|
||
struct bfd_link_needed_list
|
||
{
|
||
struct bfd_link_needed_list *next;
|
||
bfd *by;
|
||
const char *name;
|
||
};
|
||
|
||
enum dynamic_lib_link_class {
|
||
DYN_NORMAL = 0,
|
||
DYN_AS_NEEDED = 1,
|
||
DYN_DT_NEEDED = 2,
|
||
DYN_NO_ADD_NEEDED = 4,
|
||
DYN_NO_NEEDED = 8
|
||
};
|
||
|
||
enum notice_asneeded_action {
|
||
notice_as_needed,
|
||
notice_not_needed,
|
||
notice_needed
|
||
};
|
||
|
||
extern bfd_boolean bfd_elf_record_link_assignment
|
||
(bfd *, struct bfd_link_info *, const char *, bfd_boolean,
|
||
bfd_boolean);
|
||
extern struct bfd_link_needed_list *bfd_elf_get_needed_list
|
||
(bfd *, struct bfd_link_info *);
|
||
extern bfd_boolean bfd_elf_get_bfd_needed_list
|
||
(bfd *, struct bfd_link_needed_list **);
|
||
extern bfd_boolean bfd_elf_size_dynamic_sections
|
||
(bfd *, const char *, const char *, const char *, const char * const *,
|
||
struct bfd_link_info *, struct bfd_section **,
|
||
struct bfd_elf_version_tree *);
|
||
extern bfd_boolean bfd_elf_size_dynsym_hash_dynstr
|
||
(bfd *, struct bfd_link_info *);
|
||
extern void bfd_elf_set_dt_needed_name
|
||
(bfd *, const char *);
|
||
extern const char *bfd_elf_get_dt_soname
|
||
(bfd *);
|
||
extern void bfd_elf_set_dyn_lib_class
|
||
(bfd *, enum dynamic_lib_link_class);
|
||
extern int bfd_elf_get_dyn_lib_class
|
||
(bfd *);
|
||
extern struct bfd_link_needed_list *bfd_elf_get_runpath_list
|
||
(bfd *, struct bfd_link_info *);
|
||
extern bfd_boolean bfd_elf_discard_info
|
||
(bfd *, struct bfd_link_info *);
|
||
extern unsigned int _bfd_elf_default_action_discarded
|
||
(struct bfd_section *);
|
||
|
||
/* Return an upper bound on the number of bytes required to store a
|
||
copy of ABFD's program header table entries. Return -1 if an error
|
||
occurs; bfd_get_error will return an appropriate code. */
|
||
extern long bfd_get_elf_phdr_upper_bound
|
||
(bfd *abfd);
|
||
|
||
/* Copy ABFD's program header table entries to *PHDRS. The entries
|
||
will be stored as an array of Elf_Internal_Phdr structures, as
|
||
defined in include/elf/internal.h. To find out how large the
|
||
buffer needs to be, call bfd_get_elf_phdr_upper_bound.
|
||
|
||
Return the number of program header table entries read, or -1 if an
|
||
error occurs; bfd_get_error will return an appropriate code. */
|
||
extern int bfd_get_elf_phdrs
|
||
(bfd *abfd, void *phdrs);
|
||
|
||
/* Create a new BFD as if by bfd_openr. Rather than opening a file,
|
||
reconstruct an ELF file by reading the segments out of remote memory
|
||
based on the ELF file header at EHDR_VMA and the ELF program headers it
|
||
points to. If not null, *LOADBASEP is filled in with the difference
|
||
between the VMAs from which the segments were read, and the VMAs the
|
||
file headers (and hence BFD's idea of each section's VMA) put them at.
|
||
|
||
The function TARGET_READ_MEMORY is called to copy LEN bytes from the
|
||
remote memory at target address VMA into the local buffer at MYADDR; it
|
||
should return zero on success or an `errno' code on failure. TEMPL must
|
||
be a BFD for an ELF target with the word size and byte order found in
|
||
the remote memory. */
|
||
extern bfd *bfd_elf_bfd_from_remote_memory
|
||
(bfd *templ, bfd_vma ehdr_vma, bfd_vma *loadbasep,
|
||
int (*target_read_memory) (bfd_vma vma, bfd_byte *myaddr, int len));
|
||
|
||
/* Return the arch_size field of an elf bfd, or -1 if not elf. */
|
||
extern int bfd_get_arch_size
|
||
(bfd *);
|
||
|
||
/* Return TRUE if address "naturally" sign extends, or -1 if not elf. */
|
||
extern int bfd_get_sign_extend_vma
|
||
(bfd *);
|
||
|
||
extern struct bfd_section *_bfd_elf_tls_setup
|
||
(bfd *, struct bfd_link_info *);
|
||
|
||
extern void _bfd_fix_excluded_sec_syms
|
||
(bfd *, struct bfd_link_info *);
|
||
|
||
extern unsigned bfd_m68k_mach_to_features (int);
|
||
|
||
extern int bfd_m68k_features_to_mach (unsigned);
|
||
|
||
extern bfd_boolean bfd_m68k_elf32_create_embedded_relocs
|
||
(bfd *, struct bfd_link_info *, struct bfd_section *, struct bfd_section *,
|
||
char **);
|
||
|
||
extern bfd_boolean bfd_bfin_elf32_create_embedded_relocs
|
||
(bfd *, struct bfd_link_info *, struct bfd_section *, struct bfd_section *,
|
||
char **);
|
||
|
||
/* SunOS shared library support routines for the linker. */
|
||
|
||
extern struct bfd_link_needed_list *bfd_sunos_get_needed_list
|
||
(bfd *, struct bfd_link_info *);
|
||
extern bfd_boolean bfd_sunos_record_link_assignment
|
||
(bfd *, struct bfd_link_info *, const char *);
|
||
extern bfd_boolean bfd_sunos_size_dynamic_sections
|
||
(bfd *, struct bfd_link_info *, struct bfd_section **,
|
||
struct bfd_section **, struct bfd_section **);
|
||
|
||
/* Linux shared library support routines for the linker. */
|
||
|
||
extern bfd_boolean bfd_i386linux_size_dynamic_sections
|
||
(bfd *, struct bfd_link_info *);
|
||
extern bfd_boolean bfd_m68klinux_size_dynamic_sections
|
||
(bfd *, struct bfd_link_info *);
|
||
extern bfd_boolean bfd_sparclinux_size_dynamic_sections
|
||
(bfd *, struct bfd_link_info *);
|
||
|
||
/* mmap hacks */
|
||
|
||
struct _bfd_window_internal;
|
||
typedef struct _bfd_window_internal bfd_window_internal;
|
||
|
||
typedef struct _bfd_window
|
||
{
|
||
/* What the user asked for. */
|
||
void *data;
|
||
bfd_size_type size;
|
||
/* The actual window used by BFD. Small user-requested read-only
|
||
regions sharing a page may share a single window into the object
|
||
file. Read-write versions shouldn't until I've fixed things to
|
||
keep track of which portions have been claimed by the
|
||
application; don't want to give the same region back when the
|
||
application wants two writable copies! */
|
||
struct _bfd_window_internal *i;
|
||
}
|
||
bfd_window;
|
||
|
||
extern void bfd_init_window
|
||
(bfd_window *);
|
||
extern void bfd_free_window
|
||
(bfd_window *);
|
||
extern bfd_boolean bfd_get_file_window
|
||
(bfd *, file_ptr, bfd_size_type, bfd_window *, bfd_boolean);
|
||
|
||
/* XCOFF support routines for the linker. */
|
||
|
||
extern bfd_boolean bfd_xcoff_link_record_set
|
||
(bfd *, struct bfd_link_info *, struct bfd_link_hash_entry *, bfd_size_type);
|
||
extern bfd_boolean bfd_xcoff_import_symbol
|
||
(bfd *, struct bfd_link_info *, struct bfd_link_hash_entry *, bfd_vma,
|
||
const char *, const char *, const char *, unsigned int);
|
||
extern bfd_boolean bfd_xcoff_export_symbol
|
||
(bfd *, struct bfd_link_info *, struct bfd_link_hash_entry *);
|
||
extern bfd_boolean bfd_xcoff_link_count_reloc
|
||
(bfd *, struct bfd_link_info *, const char *);
|
||
extern bfd_boolean bfd_xcoff_record_link_assignment
|
||
(bfd *, struct bfd_link_info *, const char *);
|
||
extern bfd_boolean bfd_xcoff_size_dynamic_sections
|
||
(bfd *, struct bfd_link_info *, const char *, const char *,
|
||
unsigned long, unsigned long, unsigned long, bfd_boolean,
|
||
int, bfd_boolean, bfd_boolean, struct bfd_section **, bfd_boolean);
|
||
extern bfd_boolean bfd_xcoff_link_generate_rtinit
|
||
(bfd *, const char *, const char *, bfd_boolean);
|
||
|
||
/* XCOFF support routines for ar. */
|
||
extern bfd_boolean bfd_xcoff_ar_archive_set_magic
|
||
(bfd *, char *);
|
||
|
||
/* Externally visible COFF routines. */
|
||
|
||
#if defined(__STDC__) || defined(ALMOST_STDC)
|
||
struct internal_syment;
|
||
union internal_auxent;
|
||
#endif
|
||
|
||
extern bfd_boolean bfd_coff_get_syment
|
||
(bfd *, struct bfd_symbol *, struct internal_syment *);
|
||
|
||
extern bfd_boolean bfd_coff_get_auxent
|
||
(bfd *, struct bfd_symbol *, int, union internal_auxent *);
|
||
|
||
extern bfd_boolean bfd_coff_set_symbol_class
|
||
(bfd *, struct bfd_symbol *, unsigned int);
|
||
|
||
extern bfd_boolean bfd_m68k_coff_create_embedded_relocs
|
||
(bfd *, struct bfd_link_info *, struct bfd_section *, struct bfd_section *, char **);
|
||
|
||
/* ARM VFP11 erratum workaround support. */
|
||
typedef enum
|
||
{
|
||
BFD_ARM_VFP11_FIX_DEFAULT,
|
||
BFD_ARM_VFP11_FIX_NONE,
|
||
BFD_ARM_VFP11_FIX_SCALAR,
|
||
BFD_ARM_VFP11_FIX_VECTOR
|
||
} bfd_arm_vfp11_fix;
|
||
|
||
extern void bfd_elf32_arm_init_maps
|
||
(bfd *);
|
||
|
||
extern void bfd_elf32_arm_set_vfp11_fix
|
||
(bfd *, struct bfd_link_info *);
|
||
|
||
extern bfd_boolean bfd_elf32_arm_vfp11_erratum_scan
|
||
(bfd *, struct bfd_link_info *);
|
||
|
||
extern void bfd_elf32_arm_vfp11_fix_veneer_locations
|
||
(bfd *, struct bfd_link_info *);
|
||
|
||
/* ARM Interworking support. Called from linker. */
|
||
extern bfd_boolean bfd_arm_allocate_interworking_sections
|
||
(struct bfd_link_info *);
|
||
|
||
extern bfd_boolean bfd_arm_process_before_allocation
|
||
(bfd *, struct bfd_link_info *, int);
|
||
|
||
extern bfd_boolean bfd_arm_get_bfd_for_interworking
|
||
(bfd *, struct bfd_link_info *);
|
||
|
||
/* PE ARM Interworking support. Called from linker. */
|
||
extern bfd_boolean bfd_arm_pe_allocate_interworking_sections
|
||
(struct bfd_link_info *);
|
||
|
||
extern bfd_boolean bfd_arm_pe_process_before_allocation
|
||
(bfd *, struct bfd_link_info *, int);
|
||
|
||
extern bfd_boolean bfd_arm_pe_get_bfd_for_interworking
|
||
(bfd *, struct bfd_link_info *);
|
||
|
||
/* ELF ARM Interworking support. Called from linker. */
|
||
extern bfd_boolean bfd_elf32_arm_allocate_interworking_sections
|
||
(struct bfd_link_info *);
|
||
|
||
extern bfd_boolean bfd_elf32_arm_process_before_allocation
|
||
(bfd *, struct bfd_link_info *);
|
||
|
||
void bfd_elf32_arm_set_target_relocs
|
||
(bfd *, struct bfd_link_info *, int, char *, int, int, bfd_arm_vfp11_fix,
|
||
int, int);
|
||
|
||
extern bfd_boolean bfd_elf32_arm_get_bfd_for_interworking
|
||
(bfd *, struct bfd_link_info *);
|
||
|
||
extern bfd_boolean bfd_elf32_arm_add_glue_sections_to_bfd
|
||
(bfd *, struct bfd_link_info *);
|
||
|
||
/* ELF ARM mapping symbol support */
|
||
#define BFD_ARM_SPECIAL_SYM_TYPE_MAP (1 << 0)
|
||
#define BFD_ARM_SPECIAL_SYM_TYPE_TAG (1 << 1)
|
||
#define BFD_ARM_SPECIAL_SYM_TYPE_OTHER (1 << 2)
|
||
#define BFD_ARM_SPECIAL_SYM_TYPE_ANY (~0)
|
||
extern bfd_boolean bfd_is_arm_special_symbol_name
|
||
(const char * name, int type);
|
||
|
||
extern void bfd_elf32_arm_set_byteswap_code (struct bfd_link_info *, int);
|
||
|
||
/* ARM Note section processing. */
|
||
extern bfd_boolean bfd_arm_merge_machines
|
||
(bfd *, bfd *);
|
||
|
||
extern bfd_boolean bfd_arm_update_notes
|
||
(bfd *, const char *);
|
||
|
||
extern unsigned int bfd_arm_get_mach_from_notes
|
||
(bfd *, const char *);
|
||
|
||
/* TI COFF load page support. */
|
||
extern void bfd_ticoff_set_section_load_page
|
||
(struct bfd_section *, int);
|
||
|
||
extern int bfd_ticoff_get_section_load_page
|
||
(struct bfd_section *);
|
||
|
||
/* H8/300 functions. */
|
||
extern bfd_vma bfd_h8300_pad_address
|
||
(bfd *, bfd_vma);
|
||
|
||
/* IA64 Itanium code generation. Called from linker. */
|
||
extern void bfd_elf32_ia64_after_parse
|
||
(int);
|
||
|
||
extern void bfd_elf64_ia64_after_parse
|
||
(int);
|
||
|
||
/* This structure is used for a comdat section, as in PE. A comdat
|
||
section is associated with a particular symbol. When the linker
|
||
sees a comdat section, it keeps only one of the sections with a
|
||
given name and associated with a given symbol. */
|
||
|
||
struct coff_comdat_info
|
||
{
|
||
/* The name of the symbol associated with a comdat section. */
|
||
const char *name;
|
||
|
||
/* The local symbol table index of the symbol associated with a
|
||
comdat section. This is only meaningful to the object file format
|
||
specific code; it is not an index into the list returned by
|
||
bfd_canonicalize_symtab. */
|
||
long symbol;
|
||
};
|
||
|
||
extern struct coff_comdat_info *bfd_coff_get_comdat_section
|
||
(bfd *, struct bfd_section *);
|
||
|