0f8f509c6a
Remove decl of type symclass; wasn't used. * bfd.c: Document error handling, including code fragments containing the error decls that were in bfd-in.h. Remove DEFUNs. * bfd-in2.h: Regenerated.
558 lines
20 KiB
C
558 lines
20 KiB
C
/* Main header file for the bfd library -- portable access to object files.
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Copyright 1990, 1991, 1992, 1993 Free Software Foundation, Inc.
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Contributed by Cygnus Support.
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** NOTE: bfd.h and bfd-in2.h are GENERATED files. Don't change them;
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** instead, change bfd-in.h or the other BFD source files processed to
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** generate these files.
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This file is part of BFD, the Binary File Descriptor library.
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This program is free software; you can redistribute it and/or modify
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it under the terms of the GNU General Public License as published by
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the Free Software Foundation; either version 2 of the License, or
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(at your option) any later version.
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This program is distributed in the hope that it will be useful,
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but WITHOUT ANY WARRANTY; without even the implied warranty of
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MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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GNU General Public License for more details.
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You should have received a copy of the GNU General Public License
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along with this program; if not, write to the Free Software
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Foundation, Inc., 675 Mass Ave, Cambridge, MA 02139, USA. */
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/* bfd.h -- The only header file required by users of the bfd library
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The bfd.h file is generated from bfd-in.h and various .c files; if you
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change it, your changes will probably be lost.
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All the prototypes and definitions following the comment "THE FOLLOWING
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IS EXTRACTED FROM THE SOURCE" are extracted from the source files for
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BFD. If you change it, someone oneday will extract it from the source
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again, and your changes will be lost. To save yourself from this bind,
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change the definitions in the source in the bfd directory. Type "make
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docs" and then "make headers" in that directory, and magically this file
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will change to reflect your changes.
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If you don't have the tools to perform the extraction, then you are
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safe from someone on your system trampling over your header files.
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You should still maintain the equivalence between the source and this
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file though; every change you make to the .c file should be reflected
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here. */
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#ifndef __BFD_H_SEEN__
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#define __BFD_H_SEEN__
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#include "ansidecl.h"
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#include "obstack.h"
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#define BFD_VERSION "2.2"
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#define BFD_ARCH_SIZE @WORDSIZE@
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#if BFD_ARCH_SIZE >= 64
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#define BFD64
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#endif
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#ifndef INLINE
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#if __GNUC__ >= 2
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#define INLINE __inline__
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#else
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#define INLINE
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#endif
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#endif
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/* 64-bit type definition (if any) from bfd's sysdep.h goes here */
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/* forward declaration */
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typedef struct _bfd bfd;
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/* To squelch erroneous compiler warnings ("illegal pointer
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combination") from the SVR3 compiler, we would like to typedef
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boolean to int (it doesn't like functions which return boolean.
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Making sure they are never implicitly declared to return int
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doesn't seem to help). But this file is not configured based on
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the host. */
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/* General rules: functions which are boolean return true on success
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and false on failure (unless they're a predicate). -- bfd.doc */
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/* I'm sure this is going to break something and someone is going to
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force me to change it. */
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/* typedef enum boolean {false, true} boolean; */
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/* Yup, SVR4 has a "typedef enum boolean" in <sys/types.h> -fnf */
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/* It gets worse if the host also defines a true/false enum... -sts */
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#ifndef TRUE_FALSE_ALREADY_DEFINED
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typedef enum bfd_boolean {false, true} boolean;
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#define BFD_TRUE_FALSE
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#else
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typedef enum bfd_boolean {bfd_false, bfd_true} boolean;
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#endif
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/* A pointer to a position in a file. */
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/* FIXME: This should be using off_t from <sys/types.h>.
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For now, try to avoid breaking stuff by not including <sys/types.h> here.
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This will break on systems with 64-bit file offsets (e.g. 4.4BSD).
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Probably the best long-term answer is to avoid using file_ptr AND off_t
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in this header file, and to handle this in the BFD implementation
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rather than in its interface. */
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/* typedef off_t file_ptr; */
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typedef long int file_ptr;
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/* Support for different sizes of target format ints and addresses. If the
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host implements 64-bit values, it defines HOST_64_BIT to be the appropriate
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type. Otherwise, this code will fall back on gcc's "long long" type if gcc
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is being used. HOST_64_BIT must be defined in such a way as to be a valid
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type name by itself or with "unsigned" prefixed. It should be a signed
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type by itself.
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If neither is the case, then compilation will fail if 64-bit targets are
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requested. If you don't request any 64-bit targets, you should be safe. */
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#ifdef BFD64
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#if defined (__GNUC__) && !defined (HOST_64_BIT)
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#define HOST_64_BIT long long
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typedef HOST_64_BIT int64_type;
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typedef unsigned HOST_64_BIT uint64_type;
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#endif
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#if !defined (uint64_type) && defined (__GNUC__)
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#define uint64_type unsigned long long
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#define int64_type long long
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#endif
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#ifndef uint64_typeLOW
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#define uint64_typeLOW(x) ((unsigned long)(((x) & 0xffffffff)))
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#define uint64_typeHIGH(x) ((unsigned long)(((x) >> 32) & 0xffffffff))
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#endif
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typedef unsigned HOST_64_BIT bfd_vma;
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typedef HOST_64_BIT bfd_signed_vma;
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typedef unsigned HOST_64_BIT bfd_size_type;
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typedef unsigned HOST_64_BIT symvalue;
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#ifndef fprintf_vma
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#define fprintf_vma(s,x) \
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fprintf(s,"%08lx%08lx", uint64_typeHIGH(x), uint64_typeLOW(x))
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#define sprintf_vma(s,x) \
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sprintf(s,"%08lx%08lx", uint64_typeHIGH(x), uint64_typeLOW(x))
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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 printf_vma(x) fprintf_vma(stdout,x)
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typedef unsigned int flagword; /* 32 bits of flags */
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/** File formats */
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typedef enum bfd_format {
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bfd_unknown = 0, /* file format is unknown */
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bfd_object, /* linker/assember/compiler output */
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bfd_archive, /* object archive file */
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bfd_core, /* core dump */
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bfd_type_end} /* marks the end; don't use it! */
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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 NO_FLAGS 0x00
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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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/* 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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/* 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). */
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#define BFD_IS_RELAXABLE 0x200
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/* symbols and relocation */
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/* A count of carsyms (canonical archive symbols). */
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typedef unsigned long symindex;
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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. */
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#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)
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#define bfd_asymbol_name(x) ((x)->name)
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/*Perhaps future: #define bfd_asymbol_bfd(x) ((x)->section->owner)*/
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#define bfd_asymbol_bfd(x) ((x)->the_bfd)
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#define bfd_asymbol_flavour(x) (bfd_asymbol_bfd(x)->xvec->flavour)
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/* A canonical archive symbol. */
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/* This is a type pun with struct ranlib on purpose! */
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typedef struct carsym {
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char *name;
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file_ptr file_offset; /* look here to find the file */
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} carsym; /* to make these you call a carsymogen */
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/* Used in generating armaps (archive tables of contents).
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Perhaps just a forward definition would do? */
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struct orl { /* output ranlib */
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char **name; /* symbol name */
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file_ptr pos; /* bfd* or file position */
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int namidx; /* index into string table */
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};
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/* Linenumber stuff */
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typedef struct lineno_cache_entry {
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unsigned int line_number; /* Linenumber from start of function*/
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union {
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struct symbol_cache_entry *sym; /* Function name */
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unsigned long offset; /* Offset into section */
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} u;
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} alent;
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/* object and core file sections */
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#define align_power(addr, align) \
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( ((addr) + ((1<<(align))-1)) & (-1 << (align)))
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typedef struct sec *sec_ptr;
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#define bfd_get_section_name(bfd, ptr) ((ptr)->name + 0)
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#define bfd_get_section_vma(bfd, ptr) ((ptr)->vma + 0)
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#define bfd_get_section_alignment(bfd, ptr) ((ptr)->alignment_power + 0)
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#define bfd_section_name(bfd, ptr) ((ptr)->name)
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#define bfd_section_size(bfd, ptr) (bfd_get_section_size_before_reloc(ptr))
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#define bfd_section_vma(bfd, ptr) ((ptr)->vma)
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#define bfd_section_alignment(bfd, ptr) ((ptr)->alignment_power)
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#define bfd_get_section_flags(bfd, ptr) ((ptr)->flags + 0)
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#define bfd_get_section_userdata(bfd, ptr) ((ptr)->userdata)
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#define bfd_is_com_section(ptr) (((ptr)->flags & SEC_IS_COMMON) != 0)
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#define bfd_set_section_vma(bfd, ptr, val) (((ptr)->vma = (ptr)->lma= (val)), ((ptr)->user_set_vma = true), true)
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#define bfd_set_section_alignment(bfd, ptr, val) (((ptr)->alignment_power = (val)),true)
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#define bfd_set_section_userdata(bfd, ptr, val) (((ptr)->userdata = (val)),true)
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typedef struct stat stat_type;
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typedef enum bfd_print_symbol
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{
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bfd_print_symbol_name,
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bfd_print_symbol_more,
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bfd_print_symbol_all
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} bfd_print_symbol_type;
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/* Information about a symbol that nm needs. */
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typedef struct _symbol_info
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{
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symvalue value;
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char type;
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CONST char *name; /* Symbol name. */
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char stab_other; /* Unused. */
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short stab_desc; /* Info for N_TYPE. */
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CONST char *stab_name;
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} symbol_info;
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/* Hash table routines. There is no way to free up a hash table. */
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/* An element in the hash table. Most uses will actually use a larger
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structure, and an instance of this will be the first field. */
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struct bfd_hash_entry
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{
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/* Next entry for this hash code. */
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struct bfd_hash_entry *next;
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/* String being hashed. */
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const char *string;
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/* Hash code. This is the full hash code, not the index into the
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table. */
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unsigned long hash;
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};
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/* A hash table. */
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struct bfd_hash_table
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{
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/* The hash array. */
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struct bfd_hash_entry **table;
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/* The number of slots in the hash table. */
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unsigned int size;
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/* A function used to create new elements in the hash table. The
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first entry is itself a pointer to an element. When this
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function is first invoked, this pointer will be NULL. However,
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having the pointer permits a hierarchy of method functions to be
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built each of which calls the function in the superclass. Thus
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each function should be written to allocate a new block of memory
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only if the argument is NULL. */
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struct bfd_hash_entry *(*newfunc) PARAMS ((struct bfd_hash_entry *,
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struct bfd_hash_table *,
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const char *));
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/* An obstack for this hash table. */
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struct obstack memory;
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};
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/* Initialize a hash table. */
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extern boolean bfd_hash_table_init
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PARAMS ((struct bfd_hash_table *,
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struct bfd_hash_entry *(*) (struct bfd_hash_entry *,
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struct bfd_hash_table *,
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const char *)));
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/* Initialize a hash table specifying a size. */
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extern boolean bfd_hash_table_init_n
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PARAMS ((struct bfd_hash_table *,
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struct bfd_hash_entry *(*) (struct bfd_hash_entry *,
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struct bfd_hash_table *,
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const char *),
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unsigned int size));
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/* Free up a hash table. */
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extern void bfd_hash_table_free PARAMS ((struct bfd_hash_table *));
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/* Look up a string in a hash table. If CREATE is true, a new entry
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will be created for this string if one does not already exist. The
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COPY argument must be true if this routine should copy the string
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into newly allocated memory when adding an entry. */
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extern struct bfd_hash_entry *bfd_hash_lookup
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PARAMS ((struct bfd_hash_table *, const char *, boolean create,
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boolean copy));
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/* Base method for creating a hash table entry. */
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extern struct bfd_hash_entry *bfd_hash_newfunc
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PARAMS ((struct bfd_hash_entry *, struct bfd_hash_table *,
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const char *));
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/* Grab some space for a hash table entry. */
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extern PTR bfd_hash_allocate PARAMS ((struct bfd_hash_table *,
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unsigned int));
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/* Traverse a hash table in a random order, calling a function on each
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element. If the function returns false, the traversal stops. The
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INFO argument is passed to the function. */
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extern void bfd_hash_traverse PARAMS ((struct bfd_hash_table *,
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boolean (*) (struct bfd_hash_entry *,
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PTR),
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PTR info));
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/* The code that implements targets can initialize a jump table with this
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macro. It must name all its routines the same way (a prefix plus
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the standard routine suffix), or it must #define the routines that
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are not so named, before calling JUMP_TABLE in the initializer. */
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/* Semi-portable string concatenation in cpp.
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The CAT4 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 XCAT2 macro will cause the
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inner CAT macros to be evaluated first, producing still-valid pp-tokens.
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Then the final concatenation can be done. (Sigh.) */
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#ifndef CAT
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#ifdef SABER
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#define CAT(a,b) a##b
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#define CAT3(a,b,c) a##b##c
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#define CAT4(a,b,c,d) a##b##c##d
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#else
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#if defined(__STDC__) || defined(ALMOST_STDC)
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#define CAT(a,b) a##b
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#define CAT3(a,b,c) a##b##c
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#define XCAT2(a,b) CAT(a,b)
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#define CAT4(a,b,c,d) XCAT2(CAT(a,b),CAT(c,d))
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#else
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#define CAT(a,b) a/**/b
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#define CAT3(a,b,c) a/**/b/**/c
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#define CAT4(a,b,c,d) a/**/b/**/c/**/d
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#endif
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#endif
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#endif
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#define JUMP_TABLE(NAME)\
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CAT(NAME,_core_file_failing_command),\
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CAT(NAME,_core_file_failing_signal),\
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CAT(NAME,_core_file_matches_executable_p),\
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CAT(NAME,_slurp_armap),\
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CAT(NAME,_slurp_extended_name_table),\
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CAT(NAME,_truncate_arname),\
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CAT(NAME,_write_armap),\
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CAT(NAME,_close_and_cleanup),\
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CAT(NAME,_set_section_contents),\
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CAT(NAME,_get_section_contents),\
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CAT(NAME,_new_section_hook),\
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CAT(NAME,_get_symtab_upper_bound),\
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CAT(NAME,_get_symtab),\
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CAT(NAME,_get_reloc_upper_bound),\
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CAT(NAME,_canonicalize_reloc),\
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CAT(NAME,_make_empty_symbol),\
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CAT(NAME,_print_symbol),\
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CAT(NAME,_get_symbol_info),\
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CAT(NAME,_get_lineno),\
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CAT(NAME,_set_arch_mach),\
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CAT(NAME,_openr_next_archived_file),\
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CAT(NAME,_find_nearest_line),\
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CAT(NAME,_generic_stat_arch_elt),\
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CAT(NAME,_sizeof_headers),\
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CAT(NAME,_bfd_debug_info_start),\
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CAT(NAME,_bfd_debug_info_end),\
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CAT(NAME,_bfd_debug_info_accumulate),\
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CAT(NAME,_bfd_get_relocated_section_contents),\
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CAT(NAME,_bfd_relax_section),\
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CAT(NAME,_bfd_reloc_type_lookup),\
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CAT(NAME,_bfd_make_debug_symbol),\
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CAT(NAME,_bfd_link_hash_table_create),\
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CAT(NAME,_bfd_link_add_symbols),\
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CAT(NAME,_bfd_final_link)
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#define COFF_SWAP_TABLE (PTR) &bfd_coff_std_swap_table
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/* User program access to BFD facilities */
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/* Cast from const char * to char * so that caller can assign to
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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_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_symbol_leading_char(abfd) ((abfd)->xvec->symbol_leading_char)
|
||
|
||
#define bfd_set_cacheable(abfd,bool) (((abfd)->cacheable = (bool)), true)
|
||
|
||
/* Byte swapping routines. */
|
||
|
||
bfd_vma bfd_getb64 PARAMS ((const unsigned char *));
|
||
bfd_vma bfd_getl64 PARAMS ((const unsigned char *));
|
||
bfd_signed_vma bfd_getb_signed_64 PARAMS ((const unsigned char *));
|
||
bfd_signed_vma bfd_getl_signed_64 PARAMS ((const unsigned char *));
|
||
bfd_vma bfd_getb32 PARAMS ((const unsigned char *));
|
||
bfd_vma bfd_getl32 PARAMS ((const unsigned char *));
|
||
bfd_signed_vma bfd_getb_signed_32 PARAMS ((const unsigned char *));
|
||
bfd_signed_vma bfd_getl_signed_32 PARAMS ((const unsigned char *));
|
||
bfd_vma bfd_getb16 PARAMS ((const unsigned char *));
|
||
bfd_vma bfd_getl16 PARAMS ((const unsigned char *));
|
||
bfd_signed_vma bfd_getb_signed_16 PARAMS ((const unsigned char *));
|
||
bfd_signed_vma bfd_getl_signed_16 PARAMS ((const unsigned char *));
|
||
void bfd_putb64 PARAMS ((bfd_vma, unsigned char *));
|
||
void bfd_putl64 PARAMS ((bfd_vma, unsigned char *));
|
||
void bfd_putb32 PARAMS ((bfd_vma, unsigned char *));
|
||
void bfd_putl32 PARAMS ((bfd_vma, unsigned char *));
|
||
void bfd_putb16 PARAMS ((bfd_vma, unsigned char *));
|
||
void bfd_putl16 PARAMS ((bfd_vma, unsigned char *));
|
||
|
||
/* ECOFF linking routines. */
|
||
#if defined(__STDC__) || defined(ALMOST_STDC)
|
||
struct ecoff_debug_info;
|
||
struct ecoff_debug_swap;
|
||
struct ecoff_extr;
|
||
struct symbol_cache_entry;
|
||
struct bfd_link_info;
|
||
#endif
|
||
extern PTR bfd_ecoff_debug_init
|
||
PARAMS ((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
|
||
PARAMS ((PTR handle, bfd *output_bfd, struct ecoff_debug_info *output_debug,
|
||
const struct ecoff_debug_swap *output_swap,
|
||
struct bfd_link_info *));
|
||
extern boolean bfd_ecoff_debug_accumulate
|
||
PARAMS ((PTR 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 boolean bfd_ecoff_debug_accumulate_other
|
||
PARAMS ((PTR 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 boolean bfd_ecoff_debug_externals
|
||
PARAMS ((bfd *abfd, struct ecoff_debug_info *debug,
|
||
const struct ecoff_debug_swap *swap,
|
||
boolean relocateable,
|
||
boolean (*get_extr) (struct symbol_cache_entry *,
|
||
struct ecoff_extr *),
|
||
void (*set_index) (struct symbol_cache_entry *,
|
||
bfd_size_type)));
|
||
extern boolean bfd_ecoff_debug_one_external
|
||
PARAMS ((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
|
||
PARAMS ((bfd *abfd, struct ecoff_debug_info *debug,
|
||
const struct ecoff_debug_swap *swap));
|
||
extern boolean bfd_ecoff_write_debug
|
||
PARAMS ((bfd *abfd, struct ecoff_debug_info *debug,
|
||
const struct ecoff_debug_swap *swap, file_ptr where));
|
||
extern boolean bfd_ecoff_write_accumulated_debug
|
||
PARAMS ((PTR handle, bfd *abfd, struct ecoff_debug_info *debug,
|
||
const struct ecoff_debug_swap *swap,
|
||
struct bfd_link_info *info, file_ptr where));
|
||
|
||
/* And more from the source. */
|