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/* 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, 2008

   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 3 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__

#define __BFD_H_SEEN__

#ifdef __cplusplus

extern "C" {

#endif

#include "ansidecl.h"

#include "symcat.h"

#if defined (__STDC__) || defined (ALMOST_STDC) || defined (HAVE_STRINGIZE)

#ifndef SABER

/* This hack is to avoid a problem with some strict ANSI C preprocessors.

   The problem is, "32_" is not a valid preprocessing token, and we don't

   want extra underscores (e.g., "nlm_32_").  The XCONCAT2 macro will

   cause the inner CONCAT2 macros to be evaluated first, producing

   still-valid pp-tokens.  Then the final concatenation can be done.  */

#undef CONCAT4

#define CONCAT4(a,b,c,d) XCONCAT2(CONCAT2(a,b),CONCAT2(c,d))

#endif

#endif

/* This is a utility macro to handle the situation where the code

   wants to place a constant string into the code, followed by a

   comma and then the length of the string.  Doing this by hand

   is error prone, so using this macro is safer.  */

#define STRING_COMMA_LEN(STR) (STR), (sizeof (STR) - 1)

/* Unfortunately it is not possible to use the STRING_COMMA_LEN macro

   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

   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.  */

#define CONST_STRNEQ(STR1,STR2) (strncmp ((STR1), (STR2), sizeof (STR2) - 1) == 0)

  /* 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.  */

#define LITMEMCPY(DEST,STR2) memcpy ((DEST), (STR2), sizeof (STR2) - 1)

#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

   bit target if the host is 64 bit, or if other 64 bit targets have

   been selected with --enable-targets, or if --enable-64-bit-bfd.  */

#define BFD_ARCH_SIZE @wordsize@

/* The word size of the default bfd target.  */

#define BFD_DEFAULT_TARGET_SIZE @bfd_default_target_size@

#define BFD_HOST_64BIT_LONG @BFD_HOST_64BIT_LONG@

#define BFD_HOST_64BIT_LONG_LONG @BFD_HOST_64BIT_LONG_LONG@

#if @BFD_HOST_64_BIT_DEFINED@

#define BFD_HOST_64_BIT @BFD_HOST_64_BIT@

#define BFD_HOST_U_64_BIT @BFD_HOST_U_64_BIT@

typedef BFD_HOST_64_BIT bfd_int64_t;

typedef BFD_HOST_U_64_BIT bfd_uint64_t;

#endif

#if BFD_ARCH_SIZE >= 64

#define BFD64

#endif

#ifndef INLINE

#if __GNUC__ >= 2

#define INLINE __inline__

#else

#define INLINE

#endif

#endif

/* Declaring a type wide enough to hold a host long and a host pointer.  */

#define BFD_HOSTPTR_T   @BFD_HOSTPTR_T@

typedef BFD_HOSTPTR_T bfd_hostptr_t;

/* Forward declaration.  */

typedef struct bfd bfd;

/* Boolean type used in bfd.  Too many systems define their own

   versions of "boolean" for us to safely typedef a "boolean" of

   our own.  Using an enum for "bfd_boolean" has its own set of

   problems, with strange looking casts required to avoid warnings

   on some older compilers.  Thus we just use an int.

   General rule: Functions which are bfd_boolean return TRUE on

   success and FALSE on failure (unless they're a predicate).  */

typedef int bfd_boolean;

#undef FALSE

#undef TRUE

#define FALSE 0

#define TRUE 1

#ifdef BFD64

#ifndef BFD_HOST_64_BIT

 #error No 64 bit integer type available

#endif /* ! defined (BFD_HOST_64_BIT) */

typedef BFD_HOST_U_64_BIT bfd_vma;

typedef BFD_HOST_64_BIT bfd_signed_vma;

typedef BFD_HOST_U_64_BIT bfd_size_type;

typedef BFD_HOST_U_64_BIT symvalue;

#if BFD_HOST_64BIT_LONG

#define BFD_VMA_FMT "l"

#elif defined (__MSVCRT__)

#define BFD_VMA_FMT "I64"

#else

#define BFD_VMA_FMT "ll"

#endif

#ifndef fprintf_vma

#define sprintf_vma(s,x) sprintf (s, "%016" BFD_VMA_FMT "x", x)

#define fprintf_vma(f,x) fprintf (f, "%016" BFD_VMA_FMT "x", x)

#endif

#else /* not BFD64  */

/* Represent a target address.  Also used as a generic unsigned type

   which is guaranteed to be big enough to hold any arithmetic types

   we need to deal with.  */

typedef unsigned long bfd_vma;

/* A generic signed type which is guaranteed to be big enough to hold any

   arithmetic types we need to deal with.  Can be assumed to be compatible

   with bfd_vma in the same way that signed and unsigned ints are compatible

   (as parameters, in assignment, etc).  */

typedef long bfd_signed_vma;

typedef unsigned long symvalue;

typedef unsigned long bfd_size_type;

/* Print a bfd_vma x on stream s.  */

#define BFD_VMA_FMT "l"

#define fprintf_vma(s,x) fprintf (s, "%08" BFD_VMA_FMT "x", x)

#define sprintf_vma(s,x) sprintf (s, "%08" BFD_VMA_FMT "x", x)

#endif /* not BFD64  */

#define HALF_BFD_SIZE_TYPE \

  (((bfd_size_type) 1) << (8 * sizeof (bfd_size_type) / 2))

#ifndef BFD_HOST_64_BIT

/* Fall back on a 32 bit type.  The idea is to make these types always

   available for function return types, but in the case that

   BFD_HOST_64_BIT is undefined such a function should abort or

   otherwise signal an error.  */

typedef bfd_signed_vma bfd_int64_t;

typedef bfd_vma bfd_uint64_t;

#endif

/* An offset into a file.  BFD always uses the largest possible offset

   based on the build time availability of fseek, fseeko, or fseeko64.  */

typedef @bfd_file_ptr@ file_ptr;

typedef unsigned @bfd_file_ptr@ ufile_ptr;

extern void bfd_sprintf_vma (bfd *, char *, bfd_vma);

extern void bfd_fprintf_vma (bfd *, void *, bfd_vma);

#define printf_vma(x) fprintf_vma(stdout,x)

#define bfd_printf_vma(abfd,x) bfd_fprintf_vma (abfd,stdout,x)

typedef unsigned int flagword;  /* 32 bits of flags */

typedef unsigned char bfd_byte;

/* File formats.  */

typedef enum bfd_format

{

  bfd_unknown = 0,       /* File format is unknown.  */

  bfd_object,           /* Linker/assembler/compiler output.  */

  bfd_archive,          /* Object archive file.  */

  bfd_core,             /* Core dump.  */

  bfd_type_end          /* Marks the end; don't use it!  */

}

bfd_format;

/* Symbols and relocation.  */

/* A count of carsyms (canonical archive symbols).  */

typedef unsigned long symindex;

/* How to perform a relocation.  */

typedef const struct reloc_howto_struct reloc_howto_type;

#define BFD_NO_MORE_SYMBOLS ((symindex) ~0)

/* General purpose part of a symbol X;

   target specific parts are in libcoff.h, libaout.h, etc.  */

#define bfd_get_section(x) ((x)->section)

#define bfd_get_output_section(x) ((x)->section->output_section)

#define bfd_set_section(x,y) ((x)->section) = (y)

#define bfd_asymbol_base(x) ((x)->section->vma)

#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)                  \

  (((x)->flags & BSF_SYNTHETIC) != 0             \

   ? bfd_target_unknown_flavour                 \

   : 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);

/* Insert an entry in a hash table.  */

extern struct bfd_hash_entry *bfd_hash_insert

  (struct bfd_hash_table *, const char *, unsigned long);

/* 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_is_thin_archive(abfd) ((abfd)->is_thin_archive)

#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 void bfd_elf_m68k_set_target_options (struct bfd_link_info *, int);

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