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/* Generic BFD library interface and support routines.

/* Generic BFD library interface and support routines.

   Copyright (C) 1990, 91, 92, 93, 94, 95, 96, 97, 98, 1999

   Copyright (C) 1990, 91, 92, 93, 94, 95, 96, 97, 98, 1999

   Free Software Foundation, Inc.

   Free Software Foundation, Inc.

   Written by Cygnus Support.

   Written by Cygnus Support.

This file is part of BFD, the Binary File Descriptor library.

This file is part of BFD, the Binary File Descriptor library.

This program is free software; you can redistribute it and/or modify

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

it under the terms of the GNU General Public License as published by

the Free Software Foundation; either version 2 of the License, or

the Free Software Foundation; either version 2 of the License, or

(at your option) any later version.

(at your option) any later version.

This program is distributed in the hope that it will be useful,

This program is distributed in the hope that it will be useful,

but WITHOUT ANY WARRANTY; without even the implied warranty of

but WITHOUT ANY WARRANTY; without even the implied warranty of

MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the

MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the

GNU General Public License for more details.

GNU General Public License for more details.

You should have received a copy of the GNU General Public License

You should have received a copy of the GNU General Public License

along with this program; if not, write to the Free Software

along with this program; if not, write to the Free Software

Foundation, Inc., 59 Temple Place - Suite 330, Boston, MA 02111-1307, USA.  */

Foundation, Inc., 59 Temple Place - Suite 330, Boston, MA 02111-1307, USA.  */

/*

/*

SECTION

SECTION

        <<typedef bfd>>

        <<typedef bfd>>

        A BFD has type <<bfd>>; objects of this type are the

        A BFD has type <<bfd>>; objects of this type are the

        cornerstone of any application using BFD. Using BFD

        cornerstone of any application using BFD. Using BFD

        consists of making references though the BFD and to data in the BFD.

        consists of making references though the BFD and to data in the BFD.

        Here is the structure that defines the type <<bfd>>.  It

        Here is the structure that defines the type <<bfd>>.  It

        contains the major data about the file and pointers

        contains the major data about the file and pointers

        to the rest of the data.

        to the rest of the data.

CODE_FRAGMENT

CODE_FRAGMENT

.

.

.struct _bfd

.struct _bfd

.{

.{

.    {* The filename the application opened the BFD with.  *}

.    {* The filename the application opened the BFD with.  *}

.    CONST char *filename;

.    CONST char *filename;

.

.

.    {* A pointer to the target jump table.             *}

.    {* A pointer to the target jump table.             *}

.    const struct bfd_target *xvec;

.    const struct bfd_target *xvec;

.

.

.    {* To avoid dragging too many header files into every file that

.    {* To avoid dragging too many header files into every file that

.       includes `<<bfd.h>>', IOSTREAM has been declared as a "char

.       includes `<<bfd.h>>', IOSTREAM has been declared as a "char

.       *", and MTIME as a "long".  Their correct types, to which they

.       *", and MTIME as a "long".  Their correct types, to which they

.       are cast when used, are "FILE *" and "time_t".    The iostream

.       are cast when used, are "FILE *" and "time_t".    The iostream

.       is the result of an fopen on the filename.  However, if the

.       is the result of an fopen on the filename.  However, if the

.       BFD_IN_MEMORY flag is set, then iostream is actually a pointer

.       BFD_IN_MEMORY flag is set, then iostream is actually a pointer

.       to a bfd_in_memory struct.  *}

.       to a bfd_in_memory struct.  *}

.    PTR iostream;

.    PTR iostream;

.

.

.    {* Is the file descriptor being cached?  That is, can it be closed as

.    {* Is the file descriptor being cached?  That is, can it be closed as

.       needed, and re-opened when accessed later?  *}

.       needed, and re-opened when accessed later?  *}

.

.

.    boolean cacheable;

.    boolean cacheable;

.

.

.    {* Marks whether there was a default target specified when the

.    {* Marks whether there was a default target specified when the

.       BFD was opened. This is used to select which matching algorithm

.       BFD was opened. This is used to select which matching algorithm

.       to use to choose the back end. *}

.       to use to choose the back end. *}

.

.

.    boolean target_defaulted;

.    boolean target_defaulted;

.

.

.    {* The caching routines use these to maintain a

.    {* The caching routines use these to maintain a

.       least-recently-used list of BFDs *}

.       least-recently-used list of BFDs *}

.

.

.    struct _bfd *lru_prev, *lru_next;

.    struct _bfd *lru_prev, *lru_next;

.

.

.    {* When a file is closed by the caching routines, BFD retains

.    {* When a file is closed by the caching routines, BFD retains

.       state information on the file here: *}

.       state information on the file here: *}

.

.

.    file_ptr where;

.    file_ptr where;

.

.

.    {* and here: (``once'' means at least once) *}

.    {* and here: (``once'' means at least once) *}

.

.

.    boolean opened_once;

.    boolean opened_once;

.

.

.    {* Set if we have a locally maintained mtime value, rather than

.    {* Set if we have a locally maintained mtime value, rather than

.       getting it from the file each time: *}

.       getting it from the file each time: *}

.

.

.    boolean mtime_set;

.    boolean mtime_set;

.

.

.    {* File modified time, if mtime_set is true: *}

.    {* File modified time, if mtime_set is true: *}

.

.

.    long mtime;

.    long mtime;

.

.

.    {* Reserved for an unimplemented file locking extension.*}

.    {* Reserved for an unimplemented file locking extension.*}

.

.

.    int ifd;

.    int ifd;

.

.

.    {* The format which belongs to the BFD. (object, core, etc.) *}

.    {* The format which belongs to the BFD. (object, core, etc.) *}

.

.

.    bfd_format format;

.    bfd_format format;

.

.

.    {* The direction the BFD was opened with*}

.    {* The direction the BFD was opened with*}

.

.

.    enum bfd_direction {no_direction = 0,

.    enum bfd_direction {no_direction = 0,

.                        read_direction = 1,

.                        read_direction = 1,

.                        write_direction = 2,

.                        write_direction = 2,

.                        both_direction = 3} direction;

.                        both_direction = 3} direction;

.

.

.    {* Format_specific flags*}

.    {* Format_specific flags*}

.

.

.    flagword flags;

.    flagword flags;

.

.

.    {* Currently my_archive is tested before adding origin to

.    {* Currently my_archive is tested before adding origin to

.       anything. I believe that this can become always an add of

.       anything. I believe that this can become always an add of

.       origin, with origin set to 0 for non archive files.   *}

.       origin, with origin set to 0 for non archive files.   *}

.

.

.    file_ptr origin;

.    file_ptr origin;

.

.

.    {* Remember when output has begun, to stop strange things

.    {* Remember when output has begun, to stop strange things

.       from happening. *}

.       from happening. *}

.    boolean output_has_begun;

.    boolean output_has_begun;

.

.

.    {* Pointer to linked list of sections*}

.    {* Pointer to linked list of sections*}

.    struct sec  *sections;

.    struct sec  *sections;

.

.

.    {* The number of sections *}

.    {* The number of sections *}

.    unsigned int section_count;

.    unsigned int section_count;

.

.

.    {* Stuff only useful for object files:

.    {* Stuff only useful for object files:

.       The start address. *}

.       The start address. *}

.    bfd_vma start_address;

.    bfd_vma start_address;

.

.

.    {* Used for input and output*}

.    {* Used for input and output*}

.    unsigned int symcount;

.    unsigned int symcount;

.

.

.    {* Symbol table for output BFD (with symcount entries) *}

.    {* Symbol table for output BFD (with symcount entries) *}

.    struct symbol_cache_entry  **outsymbols;

.    struct symbol_cache_entry  **outsymbols;

.

.

.    {* Pointer to structure which contains architecture information*}

.    {* Pointer to structure which contains architecture information*}

.    const struct bfd_arch_info *arch_info;

.    const struct bfd_arch_info *arch_info;

.

.

.    {* Stuff only useful for archives:*}

.    {* Stuff only useful for archives:*}

.    PTR arelt_data;

.    PTR arelt_data;

.    struct _bfd *my_archive;     {* The containing archive BFD.  *}

.    struct _bfd *my_archive;     {* The containing archive BFD.  *}

.    struct _bfd *next;           {* The next BFD in the archive.  *}

.    struct _bfd *next;           {* The next BFD in the archive.  *}

.    struct _bfd *archive_head;   {* The first BFD in the archive.  *}

.    struct _bfd *archive_head;   {* The first BFD in the archive.  *}

.    boolean has_armap;

.    boolean has_armap;

.

.

.    {* A chain of BFD structures involved in a link.  *}

.    {* A chain of BFD structures involved in a link.  *}

.    struct _bfd *link_next;

.    struct _bfd *link_next;

.

.

.    {* A field used by _bfd_generic_link_add_archive_symbols.  This will

.    {* A field used by _bfd_generic_link_add_archive_symbols.  This will

.       be used only for archive elements.  *}

.       be used only for archive elements.  *}

.    int archive_pass;

.    int archive_pass;

.

.

.    {* Used by the back end to hold private data. *}

.    {* Used by the back end to hold private data. *}

.

.

.    union

.    union

.      {

.      {

.      struct aout_data_struct *aout_data;

.      struct aout_data_struct *aout_data;

.      struct artdata *aout_ar_data;

.      struct artdata *aout_ar_data;

.      struct _oasys_data *oasys_obj_data;

.      struct _oasys_data *oasys_obj_data;

.      struct _oasys_ar_data *oasys_ar_data;

.      struct _oasys_ar_data *oasys_ar_data;

.      struct coff_tdata *coff_obj_data;

.      struct coff_tdata *coff_obj_data;

.      struct pe_tdata *pe_obj_data;

.      struct pe_tdata *pe_obj_data;

.      struct xcoff_tdata *xcoff_obj_data;

.      struct xcoff_tdata *xcoff_obj_data;

.      struct ecoff_tdata *ecoff_obj_data;

.      struct ecoff_tdata *ecoff_obj_data;

.      struct ieee_data_struct *ieee_data;

.      struct ieee_data_struct *ieee_data;

.      struct ieee_ar_data_struct *ieee_ar_data;

.      struct ieee_ar_data_struct *ieee_ar_data;

.      struct srec_data_struct *srec_data;

.      struct srec_data_struct *srec_data;

.      struct ihex_data_struct *ihex_data;

.      struct ihex_data_struct *ihex_data;

.      struct tekhex_data_struct *tekhex_data;

.      struct tekhex_data_struct *tekhex_data;

.      struct elf_obj_tdata *elf_obj_data;

.      struct elf_obj_tdata *elf_obj_data;

.      struct nlm_obj_tdata *nlm_obj_data;

.      struct nlm_obj_tdata *nlm_obj_data;

.      struct bout_data_struct *bout_data;

.      struct bout_data_struct *bout_data;

.      struct sun_core_struct *sun_core_data;

.      struct sun_core_struct *sun_core_data;

.      struct sco5_core_struct *sco5_core_data;

.      struct sco5_core_struct *sco5_core_data;

.      struct trad_core_struct *trad_core_data;

.      struct trad_core_struct *trad_core_data;

.      struct som_data_struct *som_data;

.      struct som_data_struct *som_data;

.      struct hpux_core_struct *hpux_core_data;

.      struct hpux_core_struct *hpux_core_data;

.      struct hppabsd_core_struct *hppabsd_core_data;

.      struct hppabsd_core_struct *hppabsd_core_data;

.      struct sgi_core_struct *sgi_core_data;

.      struct sgi_core_struct *sgi_core_data;

.      struct lynx_core_struct *lynx_core_data;

.      struct lynx_core_struct *lynx_core_data;

.      struct osf_core_struct *osf_core_data;

.      struct osf_core_struct *osf_core_data;

.      struct cisco_core_struct *cisco_core_data;

.      struct cisco_core_struct *cisco_core_data;

.      struct versados_data_struct *versados_data;

.      struct versados_data_struct *versados_data;

.      struct netbsd_core_struct *netbsd_core_data;

.      struct netbsd_core_struct *netbsd_core_data;

.      PTR any;

.      PTR any;

.      } tdata;

.      } tdata;

.

.

.    {* Used by the application to hold private data*}

.    {* Used by the application to hold private data*}

.    PTR usrdata;

.    PTR usrdata;

.

.

.  {* Where all the allocated stuff under this BFD goes.  This is a

.  {* Where all the allocated stuff under this BFD goes.  This is a

.     struct objalloc *, but we use PTR to avoid requiring the inclusion of

.     struct objalloc *, but we use PTR to avoid requiring the inclusion of

.     objalloc.h.  *}

.     objalloc.h.  *}

.    PTR memory;

.    PTR memory;

.};

.};

.

.

*/

*/

#include "bfd.h"

#include "bfd.h"

#include "sysdep.h"

#include "sysdep.h"

#ifdef ANSI_PROTOTYPES

#ifdef ANSI_PROTOTYPES

#include <stdarg.h>

#include <stdarg.h>

#else

#else

#include <varargs.h>

#include <varargs.h>

#endif

#endif

#include "libiberty.h"

#include "libiberty.h"

#include "bfdlink.h"

#include "bfdlink.h"

#include "libbfd.h"

#include "libbfd.h"

#include "coff/internal.h"

#include "coff/internal.h"

#include "coff/sym.h"

#include "coff/sym.h"

#include "libcoff.h"

#include "libcoff.h"

#include "libecoff.h"

#include "libecoff.h"

#undef obj_symbols

#undef obj_symbols

#include "elf-bfd.h"

#include "elf-bfd.h"

#include <ctype.h>

#include <ctype.h>

/* provide storage for subsystem, stack and heap data which may have been

/* provide storage for subsystem, stack and heap data which may have been

   passed in on the command line.  Ld puts this data into a bfd_link_info

   passed in on the command line.  Ld puts this data into a bfd_link_info

   struct which ultimately gets passed in to the bfd.  When it arrives, copy

   struct which ultimately gets passed in to the bfd.  When it arrives, copy

   it to the following struct so that the data will be available in coffcode.h

   it to the following struct so that the data will be available in coffcode.h

   where it is needed.  The typedef's used are defined in bfd.h */

   where it is needed.  The typedef's used are defined in bfd.h */

/*

/*

SECTION

SECTION

        Error reporting

        Error reporting

        Most BFD functions return nonzero on success (check their

        Most BFD functions return nonzero on success (check their

        individual documentation for precise semantics).  On an error,

        individual documentation for precise semantics).  On an error,

        they call <<bfd_set_error>> to set an error condition that callers

        they call <<bfd_set_error>> to set an error condition that callers

        can check by calling <<bfd_get_error>>.

        can check by calling <<bfd_get_error>>.

        If that returns <<bfd_error_system_call>>, then check

        If that returns <<bfd_error_system_call>>, then check

        <<errno>>.

        <<errno>>.

        The easiest way to report a BFD error to the user is to

        The easiest way to report a BFD error to the user is to

        use <<bfd_perror>>.

        use <<bfd_perror>>.

SUBSECTION

SUBSECTION

        Type <<bfd_error_type>>

        Type <<bfd_error_type>>

        The values returned by <<bfd_get_error>> are defined by the

        The values returned by <<bfd_get_error>> are defined by the

        enumerated type <<bfd_error_type>>.

        enumerated type <<bfd_error_type>>.

CODE_FRAGMENT

CODE_FRAGMENT

.

.

.typedef enum bfd_error

.typedef enum bfd_error

.{

.{

.  bfd_error_no_error = 0,

.  bfd_error_no_error = 0,

.  bfd_error_system_call,

.  bfd_error_system_call,

.  bfd_error_invalid_target,

.  bfd_error_invalid_target,

.  bfd_error_wrong_format,

.  bfd_error_wrong_format,

.  bfd_error_invalid_operation,

.  bfd_error_invalid_operation,

.  bfd_error_no_memory,

.  bfd_error_no_memory,

.  bfd_error_no_symbols,

.  bfd_error_no_symbols,

.  bfd_error_no_armap,

.  bfd_error_no_armap,

.  bfd_error_no_more_archived_files,

.  bfd_error_no_more_archived_files,

.  bfd_error_malformed_archive,

.  bfd_error_malformed_archive,

.  bfd_error_file_not_recognized,

.  bfd_error_file_not_recognized,

.  bfd_error_file_ambiguously_recognized,

.  bfd_error_file_ambiguously_recognized,

.  bfd_error_no_contents,

.  bfd_error_no_contents,

.  bfd_error_nonrepresentable_section,

.  bfd_error_nonrepresentable_section,

.  bfd_error_no_debug_section,

.  bfd_error_no_debug_section,

.  bfd_error_bad_value,

.  bfd_error_bad_value,

.  bfd_error_file_truncated,

.  bfd_error_file_truncated,

.  bfd_error_file_too_big,

.  bfd_error_file_too_big,

.  bfd_error_invalid_error_code

.  bfd_error_invalid_error_code

.} bfd_error_type;

.} bfd_error_type;

.

.

*/

*/

static bfd_error_type bfd_error = bfd_error_no_error;

static bfd_error_type bfd_error = bfd_error_no_error;

CONST char *CONST bfd_errmsgs[] = {

CONST char *CONST bfd_errmsgs[] = {

                        N_("No error"),

                        N_("No error"),

                        N_("System call error"),

                        N_("System call error"),

                        N_("Invalid bfd target"),

                        N_("Invalid bfd target"),

                        N_("File in wrong format"),

                        N_("File in wrong format"),

                        N_("Invalid operation"),

                        N_("Invalid operation"),

                        N_("Memory exhausted"),

                        N_("Memory exhausted"),

                        N_("No symbols"),

                        N_("No symbols"),

                        N_("Archive has no index; run ranlib to add one"),

                        N_("Archive has no index; run ranlib to add one"),

                        N_("No more archived files"),

                        N_("No more archived files"),

                        N_("Malformed archive"),

                        N_("Malformed archive"),

                        N_("File format not recognized"),

                        N_("File format not recognized"),

                        N_("File format is ambiguous"),

                        N_("File format is ambiguous"),

                        N_("Section has no contents"),

                        N_("Section has no contents"),

                        N_("Nonrepresentable section on output"),

                        N_("Nonrepresentable section on output"),

                        N_("Symbol needs debug section which does not exist"),

                        N_("Symbol needs debug section which does not exist"),

                        N_("Bad value"),

                        N_("Bad value"),

                        N_("File truncated"),

                        N_("File truncated"),

                        N_("File too big"),

                        N_("File too big"),

                        N_("#<Invalid error code>")

                        N_("#<Invalid error code>")

                       };

                       };

/*

/*

FUNCTION

FUNCTION

        bfd_get_error

        bfd_get_error

SYNOPSIS

SYNOPSIS

        bfd_error_type bfd_get_error (void);

        bfd_error_type bfd_get_error (void);

DESCRIPTION

DESCRIPTION

        Return the current BFD error condition.

        Return the current BFD error condition.

*/

*/

bfd_error_type

bfd_error_type

bfd_get_error ()

bfd_get_error ()

{

{

  return bfd_error;

  return bfd_error;

}

}

/*

/*

FUNCTION

FUNCTION

        bfd_set_error

        bfd_set_error

SYNOPSIS

SYNOPSIS

        void bfd_set_error (bfd_error_type error_tag);

        void bfd_set_error (bfd_error_type error_tag);

DESCRIPTION

DESCRIPTION

        Set the BFD error condition to be @var{error_tag}.

        Set the BFD error condition to be @var{error_tag}.

*/

*/

void

void

bfd_set_error (error_tag)

bfd_set_error (error_tag)

     bfd_error_type error_tag;

     bfd_error_type error_tag;

{

{

  bfd_error = error_tag;

  bfd_error = error_tag;

}

}

/*

/*

FUNCTION

FUNCTION

        bfd_errmsg

        bfd_errmsg

SYNOPSIS

SYNOPSIS

        CONST char *bfd_errmsg (bfd_error_type error_tag);

        CONST char *bfd_errmsg (bfd_error_type error_tag);

DESCRIPTION

DESCRIPTION

        Return a string describing the error @var{error_tag}, or

        Return a string describing the error @var{error_tag}, or

        the system error if @var{error_tag} is <<bfd_error_system_call>>.

        the system error if @var{error_tag} is <<bfd_error_system_call>>.

*/

*/

CONST char *

CONST char *

bfd_errmsg (error_tag)

bfd_errmsg (error_tag)

     bfd_error_type error_tag;

     bfd_error_type error_tag;

{

{

#ifndef errno

#ifndef errno

  extern int errno;

  extern int errno;

#endif

#endif

  if (error_tag == bfd_error_system_call)

  if (error_tag == bfd_error_system_call)

    return xstrerror (errno);

    return xstrerror (errno);

  if ((((int)error_tag <(int) bfd_error_no_error) ||

  if ((((int)error_tag <(int) bfd_error_no_error) ||

       ((int)error_tag > (int)bfd_error_invalid_error_code)))

       ((int)error_tag > (int)bfd_error_invalid_error_code)))

    error_tag = bfd_error_invalid_error_code;/* sanity check */

    error_tag = bfd_error_invalid_error_code;/* sanity check */

  return _(bfd_errmsgs [(int)error_tag]);

  return _(bfd_errmsgs [(int)error_tag]);

}

}

/*

/*

FUNCTION

FUNCTION

        bfd_perror

        bfd_perror

SYNOPSIS

SYNOPSIS

        void bfd_perror (CONST char *message);

        void bfd_perror (CONST char *message);

DESCRIPTION

DESCRIPTION

        Print to the standard error stream a string describing the

        Print to the standard error stream a string describing the

        last BFD error that occurred, or the last system error if

        last BFD error that occurred, or the last system error if

        the last BFD error was a system call failure.  If @var{message}

        the last BFD error was a system call failure.  If @var{message}

        is non-NULL and non-empty, the error string printed is preceded

        is non-NULL and non-empty, the error string printed is preceded

        by @var{message}, a colon, and a space.  It is followed by a newline.

        by @var{message}, a colon, and a space.  It is followed by a newline.

*/

*/

void

void

bfd_perror (message)

bfd_perror (message)

     CONST char *message;

     CONST char *message;

{

{

  if (bfd_get_error () == bfd_error_system_call)

  if (bfd_get_error () == bfd_error_system_call)

    perror((char *)message);            /* must be system error then... */

    perror((char *)message);            /* must be system error then... */

  else {

  else {

    if (message == NULL || *message == '\0')

    if (message == NULL || *message == '\0')

      fprintf (stderr, "%s\n", bfd_errmsg (bfd_get_error ()));

      fprintf (stderr, "%s\n", bfd_errmsg (bfd_get_error ()));

    else

    else

      fprintf (stderr, "%s: %s\n", message, bfd_errmsg (bfd_get_error ()));

      fprintf (stderr, "%s: %s\n", message, bfd_errmsg (bfd_get_error ()));

  }

  }

}

}

/*

/*

SUBSECTION

SUBSECTION

        BFD error handler

        BFD error handler

        Some BFD functions want to print messages describing the

        Some BFD functions want to print messages describing the

        problem.  They call a BFD error handler function.  This

        problem.  They call a BFD error handler function.  This

        function may be overriden by the program.

        function may be overriden by the program.

        The BFD error handler acts like printf.

        The BFD error handler acts like printf.

CODE_FRAGMENT

CODE_FRAGMENT

.

.

.typedef void (*bfd_error_handler_type) PARAMS ((const char *, ...));

.typedef void (*bfd_error_handler_type) PARAMS ((const char *, ...));

.

.

*/

*/

/* The program name used when printing BFD error messages.  */

/* The program name used when printing BFD error messages.  */

static const char *_bfd_error_program_name;

static const char *_bfd_error_program_name;

/* This is the default routine to handle BFD error messages.  */

/* This is the default routine to handle BFD error messages.  */

#ifdef ANSI_PROTOTYPES

#ifdef ANSI_PROTOTYPES

static void _bfd_default_error_handler PARAMS ((const char *s, ...));

static void _bfd_default_error_handler PARAMS ((const char *s, ...));

static void

static void

_bfd_default_error_handler (const char *s, ...)

_bfd_default_error_handler (const char *s, ...)

{

{

  va_list p;

  va_list p;

  if (_bfd_error_program_name != NULL)

  if (_bfd_error_program_name != NULL)

    fprintf (stderr, "%s: ", _bfd_error_program_name);

    fprintf (stderr, "%s: ", _bfd_error_program_name);

  else

  else

    fprintf (stderr, "BFD: ");

    fprintf (stderr, "BFD: ");

  va_start (p, s);

  va_start (p, s);

  vfprintf (stderr, s, p);

  vfprintf (stderr, s, p);

  va_end (p);

  va_end (p);

  fprintf (stderr, "\n");

  fprintf (stderr, "\n");

}

}

#else /* ! defined (ANSI_PROTOTYPES) */

#else /* ! defined (ANSI_PROTOTYPES) */

static void _bfd_default_error_handler ();

static void _bfd_default_error_handler ();

static void

static void

_bfd_default_error_handler (va_alist)

_bfd_default_error_handler (va_alist)

     va_dcl

     va_dcl

{

{

  va_list p;

  va_list p;

  const char *s;

  const char *s;

  if (_bfd_error_program_name != NULL)

  if (_bfd_error_program_name != NULL)

    fprintf (stderr, "%s: ", _bfd_error_program_name);

    fprintf (stderr, "%s: ", _bfd_error_program_name);

  else

  else

    fprintf (stderr, "BFD: ");

    fprintf (stderr, "BFD: ");

  va_start (p);

  va_start (p);

  s = va_arg (p, const char *);

  s = va_arg (p, const char *);

  vfprintf (stderr, s, p);

  vfprintf (stderr, s, p);

  va_end (p);

  va_end (p);

  fprintf (stderr, "\n");

  fprintf (stderr, "\n");

}

}

#endif /* ! defined (ANSI_PROTOTYPES) */

#endif /* ! defined (ANSI_PROTOTYPES) */

/* This is a function pointer to the routine which should handle BFD

/* This is a function pointer to the routine which should handle BFD

   error messages.  It is called when a BFD routine encounters an

   error messages.  It is called when a BFD routine encounters an

   error for which it wants to print a message.  Going through a

   error for which it wants to print a message.  Going through a

   function pointer permits a program linked against BFD to intercept

   function pointer permits a program linked against BFD to intercept

   the messages and deal with them itself.  */

   the messages and deal with them itself.  */

bfd_error_handler_type _bfd_error_handler = _bfd_default_error_handler;

bfd_error_handler_type _bfd_error_handler = _bfd_default_error_handler;

/*

/*

FUNCTION

FUNCTION

        bfd_set_error_handler

        bfd_set_error_handler

SYNOPSIS

SYNOPSIS

        bfd_error_handler_type bfd_set_error_handler (bfd_error_handler_type);

        bfd_error_handler_type bfd_set_error_handler (bfd_error_handler_type);

DESCRIPTION

DESCRIPTION

        Set the BFD error handler function.  Returns the previous

        Set the BFD error handler function.  Returns the previous

        function.

        function.

*/

*/

bfd_error_handler_type

bfd_error_handler_type

bfd_set_error_handler (pnew)

bfd_set_error_handler (pnew)

     bfd_error_handler_type pnew;

     bfd_error_handler_type pnew;

{

{

  bfd_error_handler_type pold;

  bfd_error_handler_type pold;

  pold = _bfd_error_handler;

  pold = _bfd_error_handler;

  _bfd_error_handler = pnew;

  _bfd_error_handler = pnew;

  return pold;

  return pold;

}

}

/*

/*

FUNCTION

FUNCTION

        bfd_set_error_program_name

        bfd_set_error_program_name

SYNOPSIS

SYNOPSIS

        void bfd_set_error_program_name (const char *);

        void bfd_set_error_program_name (const char *);

DESCRIPTION

DESCRIPTION

        Set the program name to use when printing a BFD error.  This

        Set the program name to use when printing a BFD error.  This

        is printed before the error message followed by a colon and

        is printed before the error message followed by a colon and

        space.  The string must not be changed after it is passed to

        space.  The string must not be changed after it is passed to

        this function.

        this function.

*/

*/

void

void

bfd_set_error_program_name (name)

bfd_set_error_program_name (name)

     const char *name;

     const char *name;

{

{

  _bfd_error_program_name = name;

  _bfd_error_program_name = name;

}

}

/*

/*

FUNCTION

FUNCTION

        bfd_get_error_handler

        bfd_get_error_handler

SYNOPSIS

SYNOPSIS

        bfd_error_handler_type bfd_get_error_handler (void);

        bfd_error_handler_type bfd_get_error_handler (void);

DESCRIPTION

DESCRIPTION

        Return the BFD error handler function.

        Return the BFD error handler function.

*/

*/

bfd_error_handler_type

bfd_error_handler_type

bfd_get_error_handler ()

bfd_get_error_handler ()

{

{

  return _bfd_error_handler;

  return _bfd_error_handler;

}

}

/*

/*

SECTION

SECTION

        Symbols

        Symbols

*/

*/

/*

/*

FUNCTION

FUNCTION

        bfd_get_reloc_upper_bound

        bfd_get_reloc_upper_bound

SYNOPSIS

SYNOPSIS

        long bfd_get_reloc_upper_bound(bfd *abfd, asection *sect);

        long bfd_get_reloc_upper_bound(bfd *abfd, asection *sect);

DESCRIPTION

DESCRIPTION

        Return the number of bytes required to store the

        Return the number of bytes required to store the

        relocation information associated with section @var{sect}

        relocation information associated with section @var{sect}

        attached to bfd @var{abfd}.  If an error occurs, return -1.

        attached to bfd @var{abfd}.  If an error occurs, return -1.

*/

*/

long

long

bfd_get_reloc_upper_bound (abfd, asect)

bfd_get_reloc_upper_bound (abfd, asect)

     bfd *abfd;

     bfd *abfd;

     sec_ptr asect;

     sec_ptr asect;

{

{

  if (abfd->format != bfd_object) {

  if (abfd->format != bfd_object) {

    bfd_set_error (bfd_error_invalid_operation);

    bfd_set_error (bfd_error_invalid_operation);

    return -1;

    return -1;

  }

  }

  return BFD_SEND (abfd, _get_reloc_upper_bound, (abfd, asect));

  return BFD_SEND (abfd, _get_reloc_upper_bound, (abfd, asect));

}

}

/*

/*

FUNCTION

FUNCTION

        bfd_canonicalize_reloc

        bfd_canonicalize_reloc

SYNOPSIS

SYNOPSIS

        long bfd_canonicalize_reloc

        long bfd_canonicalize_reloc

                (bfd *abfd,

                (bfd *abfd,

                asection *sec,

                asection *sec,

                arelent **loc,

                arelent **loc,

                asymbol **syms);

                asymbol **syms);

DESCRIPTION

DESCRIPTION

        Call the back end associated with the open BFD

        Call the back end associated with the open BFD

        @var{abfd} and translate the external form of the relocation

        @var{abfd} and translate the external form of the relocation

        information attached to @var{sec} into the internal canonical

        information attached to @var{sec} into the internal canonical

        form.  Place the table into memory at @var{loc}, which has

        form.  Place the table into memory at @var{loc}, which has

        been preallocated, usually by a call to

        been preallocated, usually by a call to

        <<bfd_get_reloc_upper_bound>>.  Returns the number of relocs, or

        <<bfd_get_reloc_upper_bound>>.  Returns the number of relocs, or

        -1 on error.

        -1 on error.

        The @var{syms} table is also needed for horrible internal magic

        The @var{syms} table is also needed for horrible internal magic

        reasons.

        reasons.

*/

*/

long

long

bfd_canonicalize_reloc (abfd, asect, location, symbols)

bfd_canonicalize_reloc (abfd, asect, location, symbols)

     bfd *abfd;

     bfd *abfd;

     sec_ptr asect;

     sec_ptr asect;

     arelent **location;

     arelent **location;

     asymbol **symbols;

     asymbol **symbols;

{

{

  if (abfd->format != bfd_object) {

  if (abfd->format != bfd_object) {

    bfd_set_error (bfd_error_invalid_operation);

    bfd_set_error (bfd_error_invalid_operation);

    return -1;

    return -1;

  }

  }

  return BFD_SEND (abfd, _bfd_canonicalize_reloc,

  return BFD_SEND (abfd, _bfd_canonicalize_reloc,

                   (abfd, asect, location, symbols));

                   (abfd, asect, location, symbols));

}

}

/*

/*

FUNCTION

FUNCTION

        bfd_set_reloc

        bfd_set_reloc

SYNOPSIS

SYNOPSIS

        void bfd_set_reloc

        void bfd_set_reloc

          (bfd *abfd, asection *sec, arelent **rel, unsigned int count)

          (bfd *abfd, asection *sec, arelent **rel, unsigned int count)

DESCRIPTION

DESCRIPTION

        Set the relocation pointer and count within

        Set the relocation pointer and count within

        section @var{sec} to the values @var{rel} and @var{count}.

        section @var{sec} to the values @var{rel} and @var{count}.

        The argument @var{abfd} is ignored.

        The argument @var{abfd} is ignored.

*/

*/

/*ARGSUSED*/

/*ARGSUSED*/

void

void

bfd_set_reloc (ignore_abfd, asect, location, count)

bfd_set_reloc (ignore_abfd, asect, location, count)

     bfd *ignore_abfd ATTRIBUTE_UNUSED;

     bfd *ignore_abfd ATTRIBUTE_UNUSED;

     sec_ptr asect;

     sec_ptr asect;

     arelent **location;

     arelent **location;

     unsigned int count;

     unsigned int count;

{

{

  asect->orelocation = location;

  asect->orelocation = location;

  asect->reloc_count = count;

  asect->reloc_count = count;

}

}

/*

/*

FUNCTION

FUNCTION

        bfd_set_file_flags

        bfd_set_file_flags

SYNOPSIS

SYNOPSIS

        boolean bfd_set_file_flags(bfd *abfd, flagword flags);

        boolean bfd_set_file_flags(bfd *abfd, flagword flags);

DESCRIPTION

DESCRIPTION

        Set the flag word in the BFD @var{abfd} to the value @var{flags}.

        Set the flag word in the BFD @var{abfd} to the value @var{flags}.

        Possible errors are:

        Possible errors are:

        o <<bfd_error_wrong_format>> - The target bfd was not of object format.

        o <<bfd_error_wrong_format>> - The target bfd was not of object format.

        o <<bfd_error_invalid_operation>> - The target bfd was open for reading.

        o <<bfd_error_invalid_operation>> - The target bfd was open for reading.

        o <<bfd_error_invalid_operation>> -

        o <<bfd_error_invalid_operation>> -

        The flag word contained a bit which was not applicable to the

        The flag word contained a bit which was not applicable to the

        type of file.  E.g., an attempt was made to set the <<D_PAGED>> bit

        type of file.  E.g., an attempt was made to set the <<D_PAGED>> bit

        on a BFD format which does not support demand paging.

        on a BFD format which does not support demand paging.

*/

*/

boolean

boolean

bfd_set_file_flags (abfd, flags)

bfd_set_file_flags (abfd, flags)

     bfd *abfd;

     bfd *abfd;

     flagword flags;

     flagword flags;

{

{

  if (abfd->format != bfd_object) {

  if (abfd->format != bfd_object) {

    bfd_set_error (bfd_error_wrong_format);

    bfd_set_error (bfd_error_wrong_format);

    return false;

    return false;

  }

  }

  if (bfd_read_p (abfd)) {

  if (bfd_read_p (abfd)) {

    bfd_set_error (bfd_error_invalid_operation);

    bfd_set_error (bfd_error_invalid_operation);

    return false;

    return false;

  }

  }

  bfd_get_file_flags (abfd) = flags;

  bfd_get_file_flags (abfd) = flags;

  if ((flags & bfd_applicable_file_flags (abfd)) != flags) {

  if ((flags & bfd_applicable_file_flags (abfd)) != flags) {

    bfd_set_error (bfd_error_invalid_operation);

    bfd_set_error (bfd_error_invalid_operation);

    return false;

    return false;

  }

  }

return true;

return true;

}

}

void

void

bfd_assert (file, line)

bfd_assert (file, line)

     const char *file;

     const char *file;

     int line;

     int line;

{

{

  (*_bfd_error_handler) (_("bfd assertion fail %s:%d"), file, line);

  (*_bfd_error_handler) (_("bfd assertion fail %s:%d"), file, line);

}

}

/* A more or less friendly abort message.  In libbfd.h abort is

/* A more or less friendly abort message.  In libbfd.h abort is

   defined to call this function.  */

   defined to call this function.  */

#ifndef EXIT_FAILURE

#ifndef EXIT_FAILURE

#define EXIT_FAILURE 1

#define EXIT_FAILURE 1

#endif

#endif

void

void

_bfd_abort (file, line, fn)

_bfd_abort (file, line, fn)

     const char *file;

     const char *file;

     int line;

     int line;

     const char *fn;

     const char *fn;

{

{

  if (fn != NULL)

  if (fn != NULL)

    (*_bfd_error_handler)

    (*_bfd_error_handler)

      (_("BFD internal error, aborting at %s line %d in %s\n"),

      (_("BFD internal error, aborting at %s line %d in %s\n"),

       file, line, fn);

       file, line, fn);

  else

  else

    (*_bfd_error_handler)

    (*_bfd_error_handler)

      (_("BFD internal error, aborting at %s line %d\n"),

      (_("BFD internal error, aborting at %s line %d\n"),

       file, line);

       file, line);

  (*_bfd_error_handler) (_("Please report this bug.\n"));

  (*_bfd_error_handler) (_("Please report this bug.\n"));

  xexit (EXIT_FAILURE);

  xexit (EXIT_FAILURE);

}

}

/*

/*

FUNCTION

FUNCTION

        bfd_set_start_address

        bfd_set_start_address

SYNOPSIS

SYNOPSIS

        boolean bfd_set_start_address(bfd *abfd, bfd_vma vma);

        boolean bfd_set_start_address(bfd *abfd, bfd_vma vma);

DESCRIPTION

DESCRIPTION

        Make @var{vma} the entry point of output BFD @var{abfd}.

        Make @var{vma} the entry point of output BFD @var{abfd}.

RETURNS

RETURNS

        Returns <<true>> on success, <<false>> otherwise.

        Returns <<true>> on success, <<false>> otherwise.

*/

*/

boolean

boolean

bfd_set_start_address(abfd, vma)

bfd_set_start_address(abfd, vma)

bfd *abfd;

bfd *abfd;

bfd_vma vma;

bfd_vma vma;

{

{

  abfd->start_address = vma;

  abfd->start_address = vma;

  return true;

  return true;

}

}

/*

/*

FUNCTION

FUNCTION

        bfd_get_mtime

        bfd_get_mtime

SYNOPSIS

SYNOPSIS

        long bfd_get_mtime(bfd *abfd);

        long bfd_get_mtime(bfd *abfd);

DESCRIPTION

DESCRIPTION

        Return the file modification time (as read from the file system, or

        Return the file modification time (as read from the file system, or

        from the archive header for archive members).

        from the archive header for archive members).

*/

*/

long

long

bfd_get_mtime (abfd)

bfd_get_mtime (abfd)

     bfd *abfd;

     bfd *abfd;

{

{

  FILE *fp;