/* 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.
CODE_FRAGMENT
.
-.struct _bfd
+.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) *}
.
.
. {* File modified time, if mtime_set is true: *}
.
-. long mtime;
+. long mtime;
.
. {* Reserved for an unimplemented file locking extension.*}
.
.
. {* Format_specific flags*}
.
-. flagword 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;
+. ufile_ptr origin;
.
. {* Remember when output has begun, to stop strange things
. from happening. *}
. {* The number of sections *}
. unsigned int section_count;
.
-. {* Stuff only useful for object files:
+. {* Stuff only useful for object files:
. The start address. *}
. bfd_vma start_address;
.
. unsigned int symcount;
.
. {* 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*}
. const struct bfd_arch_info *arch_info;
.
. {* Stuff only useful for archives:*}
-. PTR arelt_data;
+. 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;
+. boolean has_armap;
.
. {* A chain of BFD structures involved in a link. *}
. struct _bfd *link_next;
.
. {* Used by the back end to hold private data. *}
.
-. union
+. union
. {
. struct aout_data_struct *aout_data;
. struct artdata *aout_ar_data;
. struct netbsd_core_struct *netbsd_core_data;
. PTR any;
. } tdata;
-.
+.
. {* Used by the application to hold private data*}
. PTR usrdata;
.
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 ()));
+ }
}
/*
_bfd_error_program_name = name;
}
-
/*
FUNCTION
bfd_get_error_handler
*/
-
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));
}
The argument @var{abfd} is ignored.
*/
-/*ARGSUSED*/
+
void
bfd_set_reloc (ignore_abfd, asect, location, count)
bfd *ignore_abfd ATTRIBUTE_UNUSED;
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;
}
-
/*
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
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;
/* 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 ((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) \
: (10 + c - (islower ((unsigned char) 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;
}
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:
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:
.#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;
+}
projects / deliverable / binutils-gdb.git / blobdiff