/* Generic BFD library interface and support routines.
- Copyright (C) 1990, 91, 92, 93, 94, 95, 1996 Free Software Foundation, Inc.
+ Copyright 1990, 1991, 1992, 1993, 1994, 1995, 1996, 1997, 1998, 1999,
+ 2000, 2001, 2002
+ Free Software Foundation, Inc.
Written by Cygnus Support.
This file is part of BFD, the Binary File Descriptor library.
CODE_FRAGMENT
.
-.struct _bfd
+.struct _bfd
.{
-. {* The filename the application opened the BFD with. *}
-. CONST char *filename;
+. {* The filename the application opened the BFD with. *}
+. const char *filename;
.
-. {* A pointer to the target jump table. *}
-. const struct bfd_target *xvec;
+. {* A pointer to the target jump table. *}
+. const struct bfd_target *xvec;
.
-. {* To avoid dragging too many header files into every file that
-. includes `<<bfd.h>>', IOSTREAM has been declared as a "char
-. *", and MTIME as a "long". Their correct types, to which they
-. are cast when used, are "FILE *" and "time_t". The iostream
-. is the result of an fopen on the filename. However, if the
-. BFD_IN_MEMORY flag is set, then iostream is actually a pointer
-. to a bfd_in_memory struct. *}
-. PTR iostream;
+. {* To avoid dragging too many header files into every file that
+. includes `<<bfd.h>>', IOSTREAM has been declared as a "char *",
+. and MTIME as a "long". Their correct types, to which they
+. are cast when used, are "FILE *" and "time_t". The iostream
+. is the result of an fopen on the filename. However, if the
+. BFD_IN_MEMORY flag is set, then iostream is actually a pointer
+. to a bfd_in_memory struct. *}
+. PTR iostream;
+.
+. {* Is the file descriptor being cached? That is, can it be closed as
+. needed, and re-opened when accessed later? *}
+. boolean cacheable;
+.
+. {* Marks whether there was a default target specified when the
+. BFD was opened. This is used to select which matching algorithm
+. to use to choose the back end. *}
+. boolean target_defaulted;
+.
+. {* The caching routines use these to maintain a
+. least-recently-used list of BFDs. *}
+. struct _bfd *lru_prev, *lru_next;
+.
+. {* When a file is closed by the caching routines, BFD retains
+. state information on the file here... *}
+. ufile_ptr where;
+.
+. {* ... and here: (``once'' means at least once). *}
+. boolean opened_once;
+.
+. {* Set if we have a locally maintained mtime value, rather than
+. getting it from the file each time. *}
+. boolean mtime_set;
+.
+. {* File modified time, if mtime_set is true. *}
+. long mtime;
+.
+. {* Reserved for an unimplemented file locking extension. *}
+. int ifd;
+.
+. {* The format which belongs to the BFD. (object, core, etc.) *}
+. bfd_format format;
+.
+. {* The direction with which the BFD was opened. *}
+. enum bfd_direction
+. {
+. no_direction = 0,
+. read_direction = 1,
+. write_direction = 2,
+. both_direction = 3
+. }
+. direction;
+.
+. {* Format_specific flags. *}
+. flagword flags;
+.
+. {* Currently my_archive is tested before adding origin to
+. anything. I believe that this can become always an add of
+. origin, with origin set to 0 for non archive files. *}
+. ufile_ptr origin;
+.
+. {* Remember when output has begun, to stop strange things
+. from happening. *}
+. boolean output_has_begun;
+.
+. {* A hash table for section names. *}
+. struct bfd_hash_table section_htab;
+.
+. {* Pointer to linked list of sections. *}
+. struct sec *sections;
+.
+. {* The place where we add to the section list. *}
+. struct sec **section_tail;
+.
+. {* The number of sections. *}
+. unsigned int section_count;
+.
+. {* Stuff only useful for object files:
+. The start address. *}
+. bfd_vma start_address;
+.
+. {* Used for input and output. *}
+. unsigned int symcount;
+.
+. {* Symbol table for output BFD (with symcount entries). *}
+. struct symbol_cache_entry **outsymbols;
+.
+. {* Pointer to structure which contains architecture information. *}
+. const struct bfd_arch_info *arch_info;
+.
+. {* Stuff only useful for archives. *}
+. PTR arelt_data;
+. struct _bfd *my_archive; {* The containing archive BFD. *}
+. struct _bfd *next; {* The next BFD in the archive. *}
+. struct _bfd *archive_head; {* The first BFD in the archive. *}
+. boolean has_armap;
.
-. {* Is the file descriptor being cached? That is, can it be closed as
-. needed, and re-opened when accessed later? *}
-.
-. boolean cacheable;
-.
-. {* Marks whether there was a default target specified when the
-. BFD was opened. This is used to select which matching algorithm
-. to use to choose the back end. *}
-.
-. boolean target_defaulted;
-.
-. {* The caching routines use these to maintain a
-. least-recently-used list of BFDs *}
-.
-. struct _bfd *lru_prev, *lru_next;
-.
-. {* When a file is closed by the caching routines, BFD retains
-. state information on the file here: *}
-.
-. file_ptr where;
-.
-. {* and here: (``once'' means at least once) *}
-.
-. boolean opened_once;
-.
-. {* Set if we have a locally maintained mtime value, rather than
-. getting it from the file each time: *}
-.
-. boolean mtime_set;
-.
-. {* File modified time, if mtime_set is true: *}
-.
-. long mtime;
-.
-. {* Reserved for an unimplemented file locking extension.*}
-.
-. int ifd;
-.
-. {* The format which belongs to the BFD. (object, core, etc.) *}
-.
-. bfd_format format;
-.
-. {* The direction the BFD was opened with*}
-.
-. enum bfd_direction {no_direction = 0,
-. read_direction = 1,
-. write_direction = 2,
-. both_direction = 3} direction;
-.
-. {* Format_specific flags*}
-.
-. flagword flags;
-.
-. {* Currently my_archive is tested before adding origin to
-. anything. I believe that this can become always an add of
-. origin, with origin set to 0 for non archive files. *}
-.
-. file_ptr origin;
-.
-. {* Remember when output has begun, to stop strange things
-. from happening. *}
-. boolean output_has_begun;
-.
-. {* Pointer to linked list of sections*}
-. struct sec *sections;
-.
-. {* The number of sections *}
-. unsigned int section_count;
-.
-. {* Stuff only useful for object files:
-. The start address. *}
-. bfd_vma start_address;
-.
-. {* Used for input and output*}
-. unsigned int symcount;
-.
-. {* Symbol table for output BFD (with symcount entries) *}
-. struct symbol_cache_entry **outsymbols;
-.
-. {* Pointer to structure which contains architecture information*}
-. const struct bfd_arch_info *arch_info;
-.
-. {* Stuff only useful for archives:*}
-. PTR arelt_data;
-. struct _bfd *my_archive; {* The containing archive BFD. *}
-. struct _bfd *next; {* The next BFD in the archive. *}
-. struct _bfd *archive_head; {* The first BFD in the archive. *}
-. boolean has_armap;
-.
-. {* A chain of BFD structures involved in a link. *}
-. struct _bfd *link_next;
-.
-. {* A field used by _bfd_generic_link_add_archive_symbols. This will
-. be used only for archive elements. *}
-. int archive_pass;
-.
-. {* Used by the back end to hold private data. *}
-.
-. union
-. {
+. {* A chain of BFD structures involved in a link. *}
+. struct _bfd *link_next;
+.
+. {* A field used by _bfd_generic_link_add_archive_symbols. This will
+. be used only for archive elements. *}
+. int archive_pass;
+.
+. {* Used by the back end to hold private data. *}
+. union
+. {
. struct aout_data_struct *aout_data;
. struct artdata *aout_ar_data;
. struct _oasys_data *oasys_obj_data;
. struct elf_obj_tdata *elf_obj_data;
. struct nlm_obj_tdata *nlm_obj_data;
. struct bout_data_struct *bout_data;
+. struct mmo_data_struct *mmo_data;
. struct sun_core_struct *sun_core_data;
+. struct sco5_core_struct *sco5_core_data;
. struct trad_core_struct *trad_core_data;
. struct som_data_struct *som_data;
. struct hpux_core_struct *hpux_core_data;
. struct versados_data_struct *versados_data;
. struct netbsd_core_struct *netbsd_core_data;
. PTR any;
-. } tdata;
-.
-. {* Used by the application to hold private data*}
-. PTR usrdata;
+. }
+. tdata;
+.
+. {* Used by the application to hold private data. *}
+. PTR usrdata;
.
-. {* Where all the allocated stuff under this BFD goes *}
-. struct obstack memory;
+. {* Where all the allocated stuff under this BFD goes. This is a
+. struct objalloc *, but we use PTR to avoid requiring the inclusion of
+. objalloc.h. *}
+. PTR memory;
.};
.
*/
#include <varargs.h>
#endif
+#include "libiberty.h"
+#include "safe-ctype.h"
#include "bfdlink.h"
#include "libbfd.h"
#include "coff/internal.h"
#include "libecoff.h"
#undef obj_symbols
#include "elf-bfd.h"
-
-#include <ctype.h>
\f
/* 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
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
where it is needed. The typedef's used are defined in bfd.h */
-
-
\f
/*
SECTION
. bfd_error_system_call,
. bfd_error_invalid_target,
. bfd_error_wrong_format,
+. bfd_error_wrong_object_format,
. bfd_error_invalid_operation,
. bfd_error_no_memory,
. bfd_error_no_symbols,
. bfd_error_file_truncated,
. bfd_error_file_too_big,
. bfd_error_invalid_error_code
-.} bfd_error_type;
+.}
+.bfd_error_type;
.
*/
-#undef strerror
-extern char *strerror();
-
static bfd_error_type bfd_error = bfd_error_no_error;
-CONST char *CONST bfd_errmsgs[] = {
- "No error",
- "System call error",
- "Invalid bfd target",
- "File in wrong format",
- "Invalid operation",
- "Memory exhausted",
- "No symbols",
- "Archive has no index; run ranlib to add one",
- "No more archived files",
- "Malformed archive",
- "File format not recognized",
- "File format is ambiguous",
- "Section has no contents",
- "Nonrepresentable section on output",
- "Symbol needs debug section which does not exist",
- "Bad value",
- "File truncated",
- "File too big",
- "#<Invalid error code>"
- };
+const char *const bfd_errmsgs[] =
+{
+ N_("No error"),
+ N_("System call error"),
+ N_("Invalid bfd target"),
+ N_("File in wrong format"),
+ N_("Archive object file in wrong format"),
+ N_("Invalid operation"),
+ N_("Memory exhausted"),
+ N_("No symbols"),
+ N_("Archive has no index; run ranlib to add one"),
+ N_("No more archived files"),
+ N_("Malformed archive"),
+ N_("File format not recognized"),
+ N_("File format is ambiguous"),
+ N_("Section has no contents"),
+ N_("Nonrepresentable section on output"),
+ N_("Symbol needs debug section which does not exist"),
+ N_("Bad value"),
+ N_("File truncated"),
+ N_("File too big"),
+ N_("#<Invalid error code>")
+};
/*
FUNCTION
bfd_errmsg
SYNOPSIS
- CONST char *bfd_errmsg (bfd_error_type error_tag);
+ const char *bfd_errmsg (bfd_error_type error_tag);
DESCRIPTION
Return a string describing the error @var{error_tag}, or
the system error if @var{error_tag} is <<bfd_error_system_call>>.
*/
-CONST char *
+const char *
bfd_errmsg (error_tag)
bfd_error_type error_tag;
{
extern int errno;
#endif
if (error_tag == bfd_error_system_call)
- return strerror (errno);
+ return xstrerror (errno);
- if ((((int)error_tag <(int) bfd_error_no_error) ||
- ((int)error_tag > (int)bfd_error_invalid_error_code)))
+ if ((((int) error_tag < (int) bfd_error_no_error) ||
+ ((int) error_tag > (int) bfd_error_invalid_error_code)))
error_tag = bfd_error_invalid_error_code;/* sanity check */
- return bfd_errmsgs [(int)error_tag];
+ return _(bfd_errmsgs [(int)error_tag]);
}
/*
bfd_perror
SYNOPSIS
- void bfd_perror (CONST char *message);
+ void bfd_perror (const char *message);
DESCRIPTION
Print to the standard error stream a string describing the
void
bfd_perror (message)
- CONST char *message;
+ const char *message;
{
if (bfd_get_error () == bfd_error_system_call)
- perror((char *)message); /* must be system error then... */
- else {
- if (message == NULL || *message == '\0')
- fprintf (stderr, "%s\n", bfd_errmsg (bfd_get_error ()));
- else
- fprintf (stderr, "%s: %s\n", message, bfd_errmsg (bfd_get_error ()));
- }
+ /* Must be a system error then. */
+ perror ((char *)message);
+ else
+ {
+ if (message == NULL || *message == '\0')
+ fprintf (stderr, "%s\n", bfd_errmsg (bfd_get_error ()));
+ else
+ fprintf (stderr, "%s: %s\n", message, bfd_errmsg (bfd_get_error ()));
+ }
}
/*
/* This is the default routine to handle BFD error messages. */
-#ifdef ANSI_PROTOTYPES
-
static void _bfd_default_error_handler PARAMS ((const char *s, ...));
static void
-_bfd_default_error_handler (const char *s, ...)
+_bfd_default_error_handler VPARAMS ((const char *s, ...))
{
- va_list p;
-
if (_bfd_error_program_name != NULL)
fprintf (stderr, "%s: ", _bfd_error_program_name);
+ else
+ fprintf (stderr, "BFD: ");
- va_start (p, s);
-
- vfprintf (stderr, s, p);
-
- va_end (p);
-
- fprintf (stderr, "\n");
-}
-
-#else /* ! defined (ANSI_PROTOTYPES) */
-
-static void _bfd_default_error_handler ();
-
-static void
-_bfd_default_error_handler (va_alist)
- va_dcl
-{
- va_list p;
- const char *s;
-
- if (_bfd_error_program_name != NULL)
- fprintf (stderr, "%s: ", _bfd_error_program_name);
-
- va_start (p);
-
- s = va_arg (p, const char *);
+ VA_OPEN (p, s);
+ VA_FIXEDARG (p, const char *, s);
vfprintf (stderr, s, p);
-
- va_end (p);
+ VA_CLOSE (p);
fprintf (stderr, "\n");
}
-#endif /* ! defined (ANSI_PROTOTYPES) */
-
/* This is a function pointer to the routine which should handle BFD
error messages. It is called when a BFD routine encounters an
error for which it wants to print a message. Going through a
{
_bfd_error_program_name = name;
}
+
+/*
+FUNCTION
+ bfd_get_error_handler
+
+SYNOPSIS
+ bfd_error_handler_type bfd_get_error_handler (void);
+
+DESCRIPTION
+ Return the BFD error handler function.
+*/
+
+bfd_error_handler_type
+bfd_get_error_handler ()
+{
+ return _bfd_error_handler;
+}
+
+/*
+FUNCTION
+ bfd_archive_filename
+
+SYNOPSIS
+ const char *bfd_archive_filename (bfd *);
+
+DESCRIPTION
+ For a BFD that is a component of an archive, returns a string
+ with both the archive name and file name. For other BFDs, just
+ returns the file name.
+*/
+
+const char *
+bfd_archive_filename (abfd)
+ bfd *abfd;
+{
+ if (abfd->my_archive)
+ {
+ static size_t curr = 0;
+ static char *buf;
+ size_t needed;
+
+ needed = (strlen (bfd_get_filename (abfd->my_archive))
+ + strlen (bfd_get_filename (abfd)) + 3);
+ if (needed > curr)
+ {
+ if (curr)
+ free (buf);
+ curr = needed + (needed >> 1);
+ buf = bfd_malloc ((bfd_size_type) curr);
+ /* If we can't malloc, fail safe by returning just the file
+ name. This function is only used when building error
+ messages. */
+ if (!buf)
+ {
+ curr = 0;
+ return bfd_get_filename (abfd);
+ }
+ }
+ sprintf (buf, "%s(%s)", bfd_get_filename (abfd->my_archive),
+ bfd_get_filename (abfd));
+ return buf;
+ }
+ else
+ return bfd_get_filename (abfd);
+}
\f
/*
SECTION
*/
-
long
bfd_get_reloc_upper_bound (abfd, asect)
bfd *abfd;
sec_ptr asect;
{
- if (abfd->format != bfd_object) {
- bfd_set_error (bfd_error_invalid_operation);
- return -1;
- }
+ if (abfd->format != bfd_object)
+ {
+ bfd_set_error (bfd_error_invalid_operation);
+ return -1;
+ }
return BFD_SEND (abfd, _get_reloc_upper_bound, (abfd, asect));
}
The @var{syms} table is also needed for horrible internal magic
reasons.
-
*/
long
bfd_canonicalize_reloc (abfd, asect, location, symbols)
arelent **location;
asymbol **symbols;
{
- if (abfd->format != bfd_object) {
- bfd_set_error (bfd_error_invalid_operation);
- return -1;
- }
+ if (abfd->format != bfd_object)
+ {
+ bfd_set_error (bfd_error_invalid_operation);
+ return -1;
+ }
+
return BFD_SEND (abfd, _bfd_canonicalize_reloc,
(abfd, asect, location, symbols));
}
SYNOPSIS
void bfd_set_reloc
- (bfd *abfd, asection *sec, arelent **rel, unsigned int count)
+ (bfd *abfd, asection *sec, arelent **rel, unsigned int count);
DESCRIPTION
Set the relocation pointer and count within
The argument @var{abfd} is ignored.
*/
-/*ARGSUSED*/
+
void
bfd_set_reloc (ignore_abfd, asect, location, count)
- bfd *ignore_abfd;
+ bfd *ignore_abfd ATTRIBUTE_UNUSED;
sec_ptr asect;
arelent **location;
unsigned int count;
{
- asect->orelocation = location;
+ asect->orelocation = location;
asect->reloc_count = count;
}
bfd *abfd;
flagword flags;
{
- if (abfd->format != bfd_object) {
- bfd_set_error (bfd_error_wrong_format);
- return false;
- }
+ if (abfd->format != bfd_object)
+ {
+ bfd_set_error (bfd_error_wrong_format);
+ return false;
+ }
- if (bfd_read_p (abfd)) {
- bfd_set_error (bfd_error_invalid_operation);
- return false;
- }
+ if (bfd_read_p (abfd))
+ {
+ bfd_set_error (bfd_error_invalid_operation);
+ return false;
+ }
bfd_get_file_flags (abfd) = flags;
- if ((flags & bfd_applicable_file_flags (abfd)) != flags) {
- bfd_set_error (bfd_error_invalid_operation);
- return false;
- }
+ if ((flags & bfd_applicable_file_flags (abfd)) != flags)
+ {
+ bfd_set_error (bfd_error_invalid_operation);
+ return false;
+ }
-return true;
+ return true;
}
void
const char *file;
int line;
{
- (*_bfd_error_handler) ("bfd assertion fail %s:%d", file, line);
+ (*_bfd_error_handler) (_("BFD %s assertion fail %s:%d"),
+ BFD_VERSION_STRING, file, line);
}
+/* A more or less friendly abort message. In libbfd.h abort is
+ defined to call this function. */
+
+#ifndef EXIT_FAILURE
+#define EXIT_FAILURE 1
+#endif
+
+void
+_bfd_abort (file, line, fn)
+ const char *file;
+ int line;
+ const char *fn;
+{
+ if (fn != NULL)
+ (*_bfd_error_handler)
+ (_("BFD %s internal error, aborting at %s line %d in %s\n"),
+ BFD_VERSION_STRING, file, line, fn);
+ else
+ (*_bfd_error_handler)
+ (_("BFD %s internal error, aborting at %s line %d\n"),
+ BFD_VERSION_STRING, file, line);
+ (*_bfd_error_handler) (_("Please report this bug.\n"));
+ xexit (EXIT_FAILURE);
+}
+
+/*
+FUNCTION
+ bfd_get_arch_size
+
+SYNOPSIS
+ int bfd_get_arch_size (bfd *abfd);
+
+DESCRIPTION
+ Returns the architecture address size, in bits, as determined
+ by the object file's format. For ELF, this information is
+ included in the header.
+
+RETURNS
+ Returns the arch size in bits if known, <<-1>> otherwise.
+*/
+
+int
+bfd_get_arch_size (abfd)
+ bfd *abfd;
+{
+ if (abfd->xvec->flavour == bfd_target_elf_flavour)
+ return (get_elf_backend_data (abfd))->s->arch_size;
+
+ bfd_set_error (bfd_error_wrong_format);
+ return -1;
+}
+
+/*
+FUNCTION
+ bfd_get_sign_extend_vma
+
+SYNOPSIS
+ int bfd_get_sign_extend_vma (bfd *abfd);
+
+DESCRIPTION
+ Indicates if the target architecture "naturally" sign extends
+ an address. Some architectures implicitly sign extend address
+ values when they are converted to types larger than the size
+ of an address. For instance, bfd_get_start_address() will
+ return an address sign extended to fill a bfd_vma when this is
+ the case.
+
+RETURNS
+ Returns <<1>> if the target architecture is known to sign
+ extend addresses, <<0>> if the target architecture is known to
+ not sign extend addresses, and <<-1>> otherwise.
+*/
+
+int
+bfd_get_sign_extend_vma (abfd)
+ bfd *abfd;
+{
+ char *name;
+
+ if (bfd_get_flavour (abfd) == bfd_target_elf_flavour)
+ return (get_elf_backend_data (abfd)->sign_extend_vma);
+
+ name = bfd_get_target (abfd);
+
+ /* Return a proper value for DJGPP COFF (an x86 COFF variant).
+ This function is required for DWARF2 support, but there is
+ no place to store this information in the COFF back end.
+ Should enough other COFF targets add support for DWARF2,
+ a place will have to be found. Until then, this hack will do. */
+ if (strncmp (name, "coff-go32", sizeof ("coff-go32") - 1) == 0)
+ return 1;
+
+ bfd_set_error (bfd_error_wrong_format);
+ return -1;
+}
/*
FUNCTION
*/
boolean
-bfd_set_start_address(abfd, vma)
-bfd *abfd;
-bfd_vma vma;
+bfd_set_start_address (abfd, vma)
+ bfd *abfd;
+ bfd_vma vma;
{
abfd->start_address = vma;
return true;
}
-
/*
FUNCTION
bfd_get_mtime
Instead, we want to ask questions like "is this NNN byte sized
object I'm about to try read from file offset YYY reasonable?"
As as example of where we might do this, some object formats
- use string tables for which the first <<sizeof(long)>> bytes of the
+ use string tables for which the first <<sizeof (long)>> bytes of the
table contain the size of the table itself, including the size bytes.
If an application tries to read what it thinks is one of these
string tables, without some way to validate the size, and for
return ((struct bfd_in_memory *) abfd->iostream)->size;
fp = bfd_cache_lookup (abfd);
- if (0 != fstat (fileno (fp), &buf))
+ if (0 != fstat (fileno (fp), & buf))
return 0;
return buf.st_size;
bfd_get_gp_size
SYNOPSIS
- int bfd_get_gp_size(bfd *abfd);
+ unsigned int bfd_get_gp_size(bfd *abfd);
DESCRIPTION
Return the maximum size of objects to be optimized using the GP
argument to the compiler, assembler or linker.
*/
-int
+unsigned int
bfd_get_gp_size (abfd)
bfd *abfd;
{
bfd_set_gp_size
SYNOPSIS
- void bfd_set_gp_size(bfd *abfd, int i);
+ void bfd_set_gp_size(bfd *abfd, unsigned int i);
DESCRIPTION
Set the maximum size of objects to be optimized using the GP
void
bfd_set_gp_size (abfd, i)
bfd *abfd;
- int i;
+ unsigned int i;
{
- /* Don't try to set GP size on an archive or core file! */
+ /* Don't try to set GP size on an archive or core file! */
if (abfd->format != bfd_object)
return;
+
if (abfd->xvec->flavour == bfd_target_ecoff_flavour)
ecoff_data (abfd)->gp_size = i;
else if (abfd->xvec->flavour == bfd_target_elf_flavour)
_bfd_get_gp_value (abfd)
bfd *abfd;
{
- if (abfd->format == bfd_object)
- {
- if (abfd->xvec->flavour == bfd_target_ecoff_flavour)
- return ecoff_data (abfd)->gp;
- else if (abfd->xvec->flavour == bfd_target_elf_flavour)
- return elf_gp (abfd);
- }
+ if (abfd->format != bfd_object)
+ return 0;
+
+ if (abfd->xvec->flavour == bfd_target_ecoff_flavour)
+ return ecoff_data (abfd)->gp;
+ else if (abfd->xvec->flavour == bfd_target_elf_flavour)
+ return elf_gp (abfd);
+
return 0;
}
{
if (abfd->format != bfd_object)
return;
+
if (abfd->xvec->flavour == bfd_target_ecoff_flavour)
ecoff_data (abfd)->gp = v;
else if (abfd->xvec->flavour == bfd_target_elf_flavour)
bfd_scan_vma
SYNOPSIS
- bfd_vma bfd_scan_vma(CONST char *string, CONST char **end, int base);
+ bfd_vma bfd_scan_vma(const char *string, const char **end, int base);
DESCRIPTION
Convert, like <<strtoul>>, a numerical expression
in hex if a leading "0x" or "0X" is found, otherwise
in octal if a leading zero is found, otherwise in decimal.
- Overflow is not detected.
+ If the value would overflow, the maximum <<bfd_vma>> value is
+ returned.
*/
bfd_vma
bfd_scan_vma (string, end, base)
- CONST char *string;
- CONST char **end;
+ const char *string;
+ const char **end;
int base;
{
bfd_vma value;
- int digit;
+ bfd_vma cutoff;
+ unsigned int cutlim;
+ int overflow;
/* Let the host do it if possible. */
- if (sizeof(bfd_vma) <= sizeof(unsigned long))
+ if (sizeof (bfd_vma) <= sizeof (unsigned long))
return (bfd_vma) strtoul (string, (char **) end, base);
- /* A negative base makes no sense, and we only need to go as high as hex. */
- if ((base < 0) || (base > 16))
- return (bfd_vma) 0;
-
if (base == 0)
{
if (string[0] == '0')
{
if ((string[1] == 'x') || (string[1] == 'X'))
base = 16;
- /* XXX should we also allow "0b" or "0B" to set base to 2? */
else
base = 8;
}
- else
- base = 10;
}
- if ((base == 16) &&
- (string[0] == '0') && ((string[1] == 'x') || (string[1] == 'X')))
- string += 2;
- /* XXX should we also skip over "0b" or "0B" if base is 2? */
-
-/* Speed could be improved with a table like hex_value[] in gas. */
-#define HEX_VALUE(c) \
- (isxdigit(c) ? \
- (isdigit(c) ? \
- (c - '0') : \
- (10 + c - (islower(c) ? 'a' : 'A'))) : \
- 42)
-
- for (value = 0; (digit = HEX_VALUE(*string)) < base; string++)
+
+ if ((base < 2) || (base > 36))
+ base = 10;
+
+ if (base == 16
+ && string[0] == '0'
+ && (string[1] == 'x' || string[1] == 'X')
+ && ISXDIGIT (string[2]))
+ {
+ string += 2;
+ }
+
+ cutoff = (~ (bfd_vma) 0) / (bfd_vma) base;
+ cutlim = (~ (bfd_vma) 0) % (bfd_vma) base;
+ value = 0;
+ overflow = 0;
+ while (1)
{
+ unsigned int digit;
+
+ digit = *string;
+ if (ISDIGIT (digit))
+ digit = digit - '0';
+ else if (ISALPHA (digit))
+ digit = TOUPPER (digit) - 'A' + 10;
+ else
+ break;
+ if (digit >= (unsigned int) base)
+ break;
+ if (value > cutoff || (value == cutoff && digit > cutlim))
+ overflow = 1;
value = value * base + digit;
+ ++string;
}
- if (end)
+ if (overflow)
+ value = ~ (bfd_vma) 0;
+
+ if (end != NULL)
*end = string;
return value;
boolean bfd_copy_private_bfd_data(bfd *ibfd, bfd *obfd);
DESCRIPTION
- Copy private BFD information from the BFD @var{ibfd} to the
+ Copy private BFD information from the BFD @var{ibfd} to the
the BFD @var{obfd}. Return <<true>> on success, <<false>> on error.
Possible error returns are:
Not enough memory exists to create private data for @var{obfd}.
.#define bfd_copy_private_bfd_data(ibfd, obfd) \
-. BFD_SEND (ibfd, _bfd_copy_private_bfd_data, \
+. BFD_SEND (obfd, _bfd_copy_private_bfd_data, \
. (ibfd, obfd))
*/
boolean bfd_merge_private_bfd_data(bfd *ibfd, bfd *obfd);
DESCRIPTION
- Merge private BFD information from the BFD @var{ibfd} to the
+ Merge private BFD information from the BFD @var{ibfd} to the
the output file BFD @var{obfd} when linking. Return <<true>>
on success, <<false>> on error. Possible error returns are:
Not enough memory exists to create private data for @var{obfd}.
.#define bfd_merge_private_bfd_data(ibfd, obfd) \
-. BFD_SEND (ibfd, _bfd_merge_private_bfd_data, \
+. BFD_SEND (obfd, _bfd_merge_private_bfd_data, \
. (ibfd, obfd))
*/
.#define bfd_relax_section(abfd, section, link_info, again) \
. BFD_SEND (abfd, _bfd_relax_section, (abfd, section, link_info, again))
.
+.#define bfd_gc_sections(abfd, link_info) \
+. BFD_SEND (abfd, _bfd_gc_sections, (abfd, link_info))
+.
+.#define bfd_merge_sections(abfd, link_info) \
+. BFD_SEND (abfd, _bfd_merge_sections, (abfd, link_info))
+.
.#define bfd_link_hash_table_create(abfd) \
. BFD_SEND (abfd, _bfd_link_hash_table_create, (abfd))
.
if (link_order->type == bfd_indirect_link_order)
{
abfd2 = link_order->u.indirect.section->owner;
- if (abfd2 == 0)
+ if (abfd2 == NULL)
abfd2 = abfd;
}
else
abfd2 = abfd;
+
fn = abfd2->xvec->_bfd_get_relocated_section_contents;
return (*fn) (abfd, link_info, link_order, data, relocateable, symbols);
asection **secs;
{
struct elf_segment_map *m, **pm;
+ bfd_size_type amt;
if (bfd_get_flavour (abfd) != bfd_target_elf_flavour)
return true;
- m = ((struct elf_segment_map *)
- bfd_alloc (abfd,
- (sizeof (struct elf_segment_map)
- + (count - 1) * sizeof (asection *))));
+ amt = sizeof (struct elf_segment_map);
+ amt += ((bfd_size_type) count - 1) * sizeof (asection *);
+ m = (struct elf_segment_map *) bfd_alloc (abfd, amt);
if (m == NULL)
return false;
return true;
}
+
+void
+bfd_sprintf_vma (abfd, buf, value)
+ bfd *abfd;
+ char *buf;
+ bfd_vma value;
+{
+ if (bfd_get_flavour (abfd) == bfd_target_elf_flavour)
+ get_elf_backend_data (abfd)->elf_backend_sprintf_vma (abfd, buf, value);
+ else
+ sprintf_vma (buf, value);
+}
+
+void
+bfd_fprintf_vma (abfd, stream, value)
+ bfd *abfd;
+ PTR stream;
+ bfd_vma value;
+{
+ if (bfd_get_flavour (abfd) == bfd_target_elf_flavour)
+ get_elf_backend_data (abfd)->elf_backend_fprintf_vma (abfd, stream, value);
+ else
+ fprintf_vma ((FILE *) stream, value);
+}
+
+/*
+FUNCTION
+ bfd_alt_mach_code
+
+SYNOPSIS
+ boolean bfd_alt_mach_code(bfd *abfd, int index);
+
+DESCRIPTION
+
+ When more than one machine code number is available for the
+ same machine type, this function can be used to switch between
+ the preferred one (index == 0) and any others. Currently,
+ only ELF supports this feature, with up to two alternate
+ machine codes.
+*/
+
+boolean
+bfd_alt_mach_code (abfd, index)
+ bfd *abfd;
+ int index;
+{
+ if (bfd_get_flavour (abfd) == bfd_target_elf_flavour)
+ {
+ int code;
+
+ switch (index)
+ {
+ case 0:
+ code = get_elf_backend_data (abfd)->elf_machine_code;
+ break;
+
+ case 1:
+ code = get_elf_backend_data (abfd)->elf_machine_alt1;
+ if (code == 0)
+ return false;
+ break;
+
+ case 2:
+ code = get_elf_backend_data (abfd)->elf_machine_alt2;
+ if (code == 0)
+ return false;
+ break;
+
+ default:
+ return false;
+ }
+
+ elf_elfheader (abfd)->e_machine = code;
+
+ return true;
+ }
+
+ return false;
+}
projects / deliverable / binutils-gdb.git / blobdiff