/* Generic BFD library interface and support routines.
- Copyright (C) 1990, 91, 92, 93, 94, 95, 96, 97, 98, 1999
+ Copyright 1990, 1991, 1992, 1993, 1994, 1995, 1996, 1997, 1998, 1999,
+ 2000, 2001
Free Software Foundation, Inc.
Written by Cygnus Support.
.struct _bfd
.{
. {* The filename the application opened the BFD with. *}
-. CONST char *filename;
+. const char *filename;
.
. {* A pointer to the target jump table. *}
. const struct bfd_target *xvec;
. {* When a file is closed by the caching routines, BFD retains
. state information on the file here: *}
.
-. file_ptr where;
+. ufile_ptr where;
.
. {* and here: (``once'' means at least once) *}
.
. anything. I believe that this can become always an add of
. origin, with origin set to 0 for non archive files. *}
.
-. file_ptr origin;
+. ufile_ptr origin;
.
. {* Remember when output has begun, to stop strange things
. from happening. *}
#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,
static bfd_error_type bfd_error = bfd_error_no_error;
-CONST char *CONST bfd_errmsgs[] = {
- N_("No error"),
- N_("System call error"),
- N_("Invalid bfd target"),
- N_("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>")
- };
+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;
{
if (error_tag == bfd_error_system_call)
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]);
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 ()));
+ }
}
/*
{
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 (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
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));
}
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));
}
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
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;
}
*/
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;
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
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;
{
if ((string[1] == 'x') || (string[1] == 'X'))
base = 16;
- /* XXX should we also allow "0b" or "0B" to set base to 2? */
+ /* 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? */
+ /* 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 ((unsigned char) c) \
- ? (isdigit ((unsigned char) c) \
+ (ISXDIGIT (c) \
+ ? (ISDIGIT (c) \
? (c - '0') \
- : (10 + c - (islower ((unsigned char) c) ? 'a' : 'A'))) \
+ : (10 + c - (ISLOWER (c) ? 'a' : 'A'))) \
: 42)
- for (value = 0; (digit = HEX_VALUE(*string)) < base; string++)
- {
- value = value * base + digit;
- }
+ for (value = 0; (digit = HEX_VALUE (* string)) < base; string ++)
+ value = value * base + digit;
if (end)
- *end = string;
+ * end = string;
return value;
}
.#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)
- + ((size_t) 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;
+}
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