/* Generic target-file-type support for the BFD library.
- Copyright 1990, 91, 92, 93, 94, 1995 Free Software Foundation, Inc.
+ Copyright 1990, 91, 92, 93, 94, 95, 96, 1997 Free Software Foundation, Inc.
Written by Cygnus Support.
This file is part of BFD, the Binary File Descriptor library.
You should have received a copy of the GNU General Public License
along with this program; if not, write to the Free Software
-Foundation, Inc., 675 Mass Ave, Cambridge, MA 02139, USA. */
+Foundation, Inc., 59 Temple Place - Suite 330, Boston, MA 02111-1307, USA. */
#include "bfd.h"
#include "sysdep.h"
#include "libbfd.h"
+#include "fnmatch.h"
/*
SECTION
. bfd_target_oasys_flavour,
. bfd_target_tekhex_flavour,
. bfd_target_srec_flavour,
+. bfd_target_ihex_flavour,
. bfd_target_som_flavour,
. bfd_target_os9k_flavour,
-. bfd_target_versados_flavour
+. bfd_target_versados_flavour,
+. bfd_target_msdos_flavour,
+. bfd_target_evax_flavour
.};
.
+.enum bfd_endian { BFD_ENDIAN_BIG, BFD_ENDIAN_LITTLE, BFD_ENDIAN_UNKNOWN };
+.
.{* Forward declaration. *}
.typedef struct bfd_link_info _bfd_link_info;
.
The order of bytes within the data area of a file.
-. boolean byteorder_big_p;
+. enum bfd_endian byteorder;
The order of bytes within the header parts of a file.
-. boolean header_byteorder_big_p;
+. enum bfd_endian header_byteorder;
A mask of all the flags which an executable may have set -
-from the set <<NO_FLAGS>>, <<HAS_RELOC>>, ...<<D_PAGED>>.
+from the set <<BFD_NO_FLAGS>>, <<HAS_RELOC>>, ...<<D_PAGED>>.
. flagword object_flags;
. unsigned short ar_max_namelen;
-The minimum alignment restriction for any section.
-
-. unsigned int align_power_min;
-
Entries for byte swapping for data. These are different from the other
entry points, since they don't take a BFD asthe first argument.
Certain other handlers could do the same.
.CAT(NAME,_close_and_cleanup),\
.CAT(NAME,_bfd_free_cached_info),\
.CAT(NAME,_new_section_hook),\
-.CAT(NAME,_get_section_contents)
+.CAT(NAME,_get_section_contents),\
+.CAT(NAME,_get_section_contents_in_window)
+.
. {* Called when the BFD is being closed to do any necessary cleanup. *}
. boolean (*_close_and_cleanup) PARAMS ((bfd *));
. {* Ask the BFD to free all cached information. *}
. {* Read the contents of a section. *}
. boolean (*_bfd_get_section_contents) PARAMS ((bfd *, sec_ptr, PTR,
. file_ptr, bfd_size_type));
+. boolean (*_bfd_get_section_contents_in_window)
+. PARAMS ((bfd *, sec_ptr, bfd_window *,
+. file_ptr, bfd_size_type));
.
. {* Entry points to copy private data. *}
.#define BFD_JUMP_TABLE_COPY(NAME)\
.CAT(NAME,_bfd_merge_private_bfd_data),\
.CAT(NAME,_bfd_copy_private_section_data),\
.CAT(NAME,_bfd_copy_private_symbol_data),\
-.CAT(NAME,_bfd_set_private_flags)
+.CAT(NAME,_bfd_set_private_flags),\
+.CAT(NAME,_bfd_print_private_bfd_data)\
. {* Called to copy BFD general private data from one object file
. to another. *}
. boolean (*_bfd_copy_private_bfd_data) PARAMS ((bfd *, bfd *));
. {* Called to set private backend flags *}
. boolean (*_bfd_set_private_flags) PARAMS ((bfd *, flagword));
.
+. {* Called to print private BFD data *}
+. boolean (*_bfd_print_private_bfd_data) PARAMS ((bfd *, PTR));
+.
. {* Core file entry points. *}
.#define BFD_JUMP_TABLE_CORE(NAME)\
.CAT(NAME,_core_file_failing_command),\
.CAT(NAME,_construct_extended_name_table),\
.CAT(NAME,_truncate_arname),\
.CAT(NAME,_write_armap),\
+.CAT(NAME,_read_ar_hdr),\
.CAT(NAME,_openr_next_archived_file),\
+.CAT(NAME,_get_elt_at_index),\
.CAT(NAME,_generic_stat_arch_elt),\
.CAT(NAME,_update_armap_timestamp)
. boolean (*_bfd_slurp_armap) PARAMS ((bfd *));
. struct orl *map,
. unsigned int orl_count,
. int stridx));
+. PTR (*_bfd_read_ar_hdr_fn) PARAMS ((bfd *));
. bfd * (*openr_next_archived_file) PARAMS ((bfd *arch, bfd *prev));
+.#define bfd_get_elt_at_index(b,i) BFD_SEND(b, _bfd_get_elt_at_index, (b,i))
+. bfd * (*_bfd_get_elt_at_index) PARAMS ((bfd *, symindex));
. int (*_bfd_stat_arch_elt) PARAMS ((bfd *, struct stat *));
. boolean (*_bfd_update_armap_timestamp) PARAMS ((bfd *));
.
.CAT(NAME,_make_empty_symbol),\
.CAT(NAME,_print_symbol),\
.CAT(NAME,_get_symbol_info),\
-.CAT(NAME,_bfd_is_local_label),\
+.CAT(NAME,_bfd_is_local_label_name),\
.CAT(NAME,_get_lineno),\
.CAT(NAME,_find_nearest_line),\
-.CAT(NAME,_bfd_make_debug_symbol)
+.CAT(NAME,_bfd_make_debug_symbol),\
+.CAT(NAME,_read_minisymbols),\
+.CAT(NAME,_minisymbol_to_symbol)
. long (*_bfd_get_symtab_upper_bound) PARAMS ((bfd *));
. long (*_bfd_canonicalize_symtab) PARAMS ((bfd *,
. struct symbol_cache_entry **));
. struct symbol_cache_entry *,
. symbol_info *));
.#define bfd_get_symbol_info(b,p,e) BFD_SEND(b, _bfd_get_symbol_info, (b,p,e))
-. boolean (*_bfd_is_local_label) PARAMS ((bfd *, asymbol *));
+. boolean (*_bfd_is_local_label_name) PARAMS ((bfd *, const char *));
.
. alent * (*_get_lineno) PARAMS ((bfd *, struct symbol_cache_entry *));
. boolean (*_bfd_find_nearest_line) PARAMS ((bfd *abfd,
. {* Back-door to allow format-aware applications to create debug symbols
. while using BFD for everything else. Currently used by the assembler
. when creating COFF files. *}
-. asymbol * (*_bfd_make_debug_symbol) PARAMS ((
+. asymbol * (*_bfd_make_debug_symbol) PARAMS ((
. bfd *abfd,
. void *ptr,
. unsigned long size));
+.#define bfd_read_minisymbols(b, d, m, s) \
+. BFD_SEND (b, _read_minisymbols, (b, d, m, s))
+. long (*_read_minisymbols) PARAMS ((bfd *, boolean, PTR *,
+. unsigned int *));
+.#define bfd_minisymbol_to_symbol(b, d, m, f) \
+. BFD_SEND (b, _minisymbol_to_symbol, (b, d, m, f))
+. asymbol *(*_minisymbol_to_symbol) PARAMS ((bfd *, boolean, const PTR,
+. asymbol *));
.
. {* Routines for relocs. *}
.#define BFD_JUMP_TABLE_RELOCS(NAME)\
extern const bfd_target aout_mips_little_vec;
extern const bfd_target aout0_big_vec;
extern const bfd_target apollocoff_vec;
-extern const bfd_target armpe_vec;
-extern const bfd_target armpei_vec;
+extern const bfd_target armcoff_little_vec;
+extern const bfd_target armcoff_big_vec;
+extern const bfd_target armpe_little_vec;
+extern const bfd_target armpe_big_vec;
+extern const bfd_target armpei_little_vec;
+extern const bfd_target armpei_big_vec;
extern const bfd_target b_out_vec_big_host;
extern const bfd_target b_out_vec_little_host;
+extern const bfd_target bfd_elf64_alpha_vec;
/* start-sanitize-arc */
extern const bfd_target bfd_elf32_bigarc_vec;
extern const bfd_target bfd_elf32_littlearc_vec;
/* end-sanitize-arc */
extern const bfd_target bfd_elf32_big_generic_vec;
extern const bfd_target bfd_elf32_bigmips_vec;
+extern const bfd_target bfd_elf64_bigmips_vec;
+extern const bfd_target bfd_elf32_d10v_vec;
+/* start-sanitize-d30v */
+extern const bfd_target bfd_elf32_d30v_vec;
+/* end-sanitize-d30v */
extern const bfd_target bfd_elf32_hppa_vec;
extern const bfd_target bfd_elf32_i386_vec;
extern const bfd_target bfd_elf32_i860_vec;
extern const bfd_target bfd_elf32_little_generic_vec;
extern const bfd_target bfd_elf32_littlemips_vec;
+extern const bfd_target bfd_elf64_littlemips_vec;
+extern const bfd_target bfd_elf32_m32r_vec;
extern const bfd_target bfd_elf32_m68k_vec;
extern const bfd_target bfd_elf32_m88k_vec;
+extern const bfd_target bfd_elf32_mn10200_vec;
+extern const bfd_target bfd_elf32_mn10300_vec;
extern const bfd_target bfd_elf32_powerpc_vec;
extern const bfd_target bfd_elf32_powerpcle_vec;
+extern const bfd_target bfd_elf32_sh_vec;
+extern const bfd_target bfd_elf32_shl_vec;
extern const bfd_target bfd_elf32_sparc_vec;
+/* start-sanitize-v850 */
+extern const bfd_target bfd_elf32_v850_vec;
+/* end-sanitize-v850 */
extern const bfd_target bfd_elf64_big_generic_vec;
extern const bfd_target bfd_elf64_little_generic_vec;
extern const bfd_target bfd_elf64_sparc_vec;
extern const bfd_target demo_64_vec;
extern const bfd_target ecoff_big_vec;
extern const bfd_target ecoff_little_vec;
+extern const bfd_target ecoff_biglittle_vec;
extern const bfd_target ecoffalpha_little_vec;
+extern const bfd_target evax_alpha_vec;
extern const bfd_target h8300coff_vec;
extern const bfd_target h8500coff_vec;
extern const bfd_target host_aout_vec;
extern const bfd_target i386aout_vec;
extern const bfd_target i386bsd_vec;
extern const bfd_target i386dynix_vec;
+extern const bfd_target i386freebsd_vec;
extern const bfd_target i386os9k_vec;
extern const bfd_target i386coff_vec;
+extern const bfd_target bfd_powerpc_pe_vec;
+extern const bfd_target bfd_powerpcle_pe_vec;
+extern const bfd_target bfd_powerpc_pei_vec;
+extern const bfd_target bfd_powerpcle_pei_vec;
extern const bfd_target i386pe_vec;
extern const bfd_target i386pei_vec;
extern const bfd_target go32coff_vec;
extern const bfd_target i386mach3_vec;
extern const bfd_target i386msdos_vec;
extern const bfd_target i386netbsd_vec;
+extern const bfd_target i860coff_vec;
extern const bfd_target icoff_big_vec;
extern const bfd_target icoff_little_vec;
extern const bfd_target ieee_vec;
+extern const bfd_target m68kaux_coff_vec;
extern const bfd_target m68kcoff_vec;
extern const bfd_target m68kcoffun_vec;
+extern const bfd_target m68klinux_vec;
extern const bfd_target m68klynx_aout_vec;
extern const bfd_target m68klynx_coff_vec;
extern const bfd_target m68knetbsd_vec;
+extern const bfd_target m68ksysvcoff_vec;
+extern const bfd_target m68k4knetbsd_vec;
extern const bfd_target m88kbcs_vec;
extern const bfd_target m88kmach3_vec;
extern const bfd_target newsos3_vec;
extern const bfd_target pc532netbsd_vec;
extern const bfd_target oasys_vec;
extern const bfd_target pc532machaout_vec;
+extern const bfd_target ppcboot_vec;
extern const bfd_target riscix_vec;
+extern const bfd_target pmac_xcoff_vec;
extern const bfd_target rs6000coff_vec;
extern const bfd_target shcoff_vec;
-/* start-sanitize-rce */
-extern bfd_target rce_aout_vec;
-/* end-sanitize-rce */
extern const bfd_target shlcoff_vec;
+extern const bfd_target sparcle_aout_vec;
extern const bfd_target sparclynx_aout_vec;
extern const bfd_target sparclynx_coff_vec;
extern const bfd_target sparcnetbsd_vec;
extern const bfd_target sparccoff_vec;
extern const bfd_target sunos_big_vec;
extern const bfd_target tekhex_vec;
+/* start-sanitize-tic80 */
+extern const bfd_target tic80coff_vec;
+/* end-sanitize-tic80 */
extern const bfd_target versados_vec;
extern const bfd_target we32kcoff_vec;
extern const bfd_target w65_vec;
/* binary is always included. */
extern const bfd_target binary_vec;
+/* ihex is always included. */
+extern const bfd_target ihex_vec;
+
/* All of the xvecs for core files. */
extern const bfd_target aix386_core_vec;
extern const bfd_target cisco_core_vec;
--enable-targets=all, objdump or gdb should be able to examine
the file even if we don't recognize the machine type. */
&bfd_elf32_big_generic_vec,
+#ifdef BFD64
+ &bfd_elf64_alpha_vec,
+#endif
/* start-sanitize-arc */
&bfd_elf32_bigarc_vec,
/* end-sanitize-arc */
&bfd_elf32_bigmips_vec,
+#ifdef BFD64
+ &bfd_elf64_bigmips_vec,
+#endif
+ &bfd_elf32_d10v_vec,
+/* start-sanitize-d30v */
+ &bfd_elf32_d30v_vec,
+/* end-sanitize-d30v */
&bfd_elf32_hppa_vec,
&bfd_elf32_i386_vec,
&bfd_elf32_i860_vec,
&bfd_elf32_littlearc_vec,
/* end-sanitize-arc */
&bfd_elf32_littlemips_vec,
+#ifdef BFD64
+ &bfd_elf64_littlemips_vec,
+#endif
+ &bfd_elf32_m32r_vec,
+ &bfd_elf32_mn10200_vec,
+ &bfd_elf32_mn10300_vec,
&bfd_elf32_m68k_vec,
&bfd_elf32_m88k_vec,
&bfd_elf32_sparc_vec,
&bfd_elf32_powerpc_vec,
+/* start-sanitize-v850 */
+ &bfd_elf32_v850_vec,
+/* end-sanitize-v850 */
#ifdef BFD64 /* No one seems to use this. */
&bfd_elf64_big_generic_vec,
&bfd_elf64_little_generic_vec,
#endif
&ecoff_big_vec,
&ecoff_little_vec,
-#if 0
+ &ecoff_biglittle_vec,
+#ifdef BFD64
&ecoffalpha_little_vec,
+ &evax_alpha_vec,
#endif
&h8300coff_vec,
&h8500coff_vec,
&i386aout_vec,
&i386bsd_vec,
&i386coff_vec,
+ &i386freebsd_vec,
+ &i860coff_vec,
+ &bfd_powerpc_pe_vec,
+ &bfd_powerpcle_pe_vec,
+ &bfd_powerpc_pei_vec,
+ &bfd_powerpcle_pei_vec,
&go32coff_vec,
#if 0
/* Since a.out files lack decent magic numbers, no way to recognize
&i386os9k_vec,
&i386pe_vec,
&i386pei_vec,
- &armpe_vec,
- &armpei_vec,
+ &armcoff_little_vec,
+ &armcoff_big_vec,
+ &armpe_little_vec,
+ &armpe_big_vec,
+ &armpei_little_vec,
+ &armpei_big_vec,
&icoff_big_vec,
&icoff_little_vec,
&ieee_vec,
&m68kcoff_vec,
&m68kcoffun_vec,
+#if 0
+ /* Since a.out files lack decent magic numbers, no way to recognize
+ which kind of a.out file it is. */
+ &m68klinux_vec,
+#endif
&m68klynx_aout_vec,
&m68klynx_coff_vec,
&m68knetbsd_vec,
+ &m68ksysvcoff_vec,
&m88kbcs_vec,
&m88kmach3_vec,
&newsos3_vec,
&aout_arm_big_vec,
&aout_arm_little_vec,
&riscix_vec,
+#endif
+#if 0
+ /* This has the same magic number as RS/6000. */
+ &pmac_xcoff_vec,
#endif
&rs6000coff_vec,
+ &ppcboot_vec,
&shcoff_vec,
&shlcoff_vec,
-/* start-sanitize-rce */
- &rce_aout_vec,
-/* end-sanitize-rce */
+ &sparcle_aout_vec,
&sparclynx_aout_vec,
&sparclynx_coff_vec,
&sparcnetbsd_vec,
&sunos_big_vec,
&aout0_big_vec,
&tekhex_vec,
+/* start-sanitize-tic80 */
+ &tic80coff_vec,
+/* end-sanitize-tic80 */
&we32kcoff_vec,
&versados_vec,
&z8kcoff_vec,
&tekhex_vec,
/* Likewise for binary output. */
&binary_vec,
+/* Likewise for ihex. */
+ &ihex_vec,
/* Add any required traditional-core-file-handler. */
/* bfd_default_vector[0] contains either the address of the default vector,
if there is one, or zero if there isn't. */
-const bfd_target * const bfd_default_vector[] = {
+const bfd_target *bfd_default_vector[] = {
#ifdef DEFAULT_VECTOR
&DEFAULT_VECTOR,
#endif
names of the matching targets in an array. This variable is the maximum
number of entries that the array could possibly need. */
const size_t _bfd_target_vector_entries = sizeof(bfd_target_vector)/sizeof(*bfd_target_vector);
+\f
+/* This array maps configuration triplets onto BFD vectors. */
+
+struct targmatch
+{
+ /* The configuration triplet. */
+ const char *triplet;
+ /* The BFD vector. If this is NULL, then the vector is found by
+ searching forward for the next structure with a non NULL vector
+ field. If this is UNSUPPORTED_TARGET, then the target is not
+ supported. */
+ const bfd_target *vector;
+};
+
+#define UNSUPPORTED_TARGET ((const bfd_target *) 1)
+
+/* targmatch.h is built by Makefile out of config.bfd. */
+static const struct targmatch bfd_target_match[] = {
+#include "targmatch.h"
+ { NULL, NULL }
+};
+
+static const bfd_target *find_target PARAMS ((const char *));
+
+/* Find a target vector, given a name or configuration triplet. */
+
+static const bfd_target *
+find_target (name)
+ const char *name;
+{
+ const bfd_target * const *target;
+ const struct targmatch *match;
+
+ for (target = &bfd_target_vector[0]; *target != NULL; target++)
+ if (strcmp (name, (*target)->name) == 0)
+ return *target;
+
+ /* If we couldn't match on the exact name, try matching on the
+ configuration triplet. FIXME: We should run the triplet through
+ config.sub first, but that is hard. */
+ for (match = &bfd_target_match[0]; match->triplet != NULL; match++)
+ {
+ if (fnmatch (match->triplet, name, 0) == 0)
+ {
+ while (match->vector == NULL)
+ ++match;
+ if (match->vector != UNSUPPORTED_TARGET)
+ return match->vector;
+ break;
+ }
+ }
+
+ bfd_set_error (bfd_error_invalid_target);
+ return NULL;
+}
+
+/*
+FUNCTION
+ bfd_set_default_target
+
+SYNOPSIS
+ boolean bfd_set_default_target (const char *name);
+
+DESCRIPTION
+ Set the default target vector to use when recognizing a BFD.
+ This takes the name of the target, which may be a BFD target
+ name or a configuration triplet.
+*/
+
+boolean
+bfd_set_default_target (name)
+ const char *name;
+{
+ const bfd_target *old_default;
+ const bfd_target *target;
+
+ old_default = bfd_default_vector[0];
+ if (old_default != NULL)
+ {
+ register const struct targmatch *match;
+
+ /* Try to save some strcmp and fnmatch calls by seeing if we
+ already have the default. */
+
+ if (strcmp (name, old_default->name) == 0)
+ return true;
+
+ for (match = &bfd_target_match[0]; match->triplet != NULL; match++)
+ {
+ if (match->vector == old_default)
+ {
+ const struct targmatch *back;
+
+ back = match;
+ do
+ {
+ if (fnmatch (back->triplet, name, 0) == 0)
+ return true;
+
+ if (back == &bfd_target_match[0])
+ break;
+
+ --back;
+ }
+ while (back->vector == NULL);
+ }
+ }
+ }
+
+ target = find_target (name);
+ if (target == NULL)
+ return false;
+
+ bfd_default_vector[0] = target;
+ return true;
+}
/*
FUNCTION
const bfd_target *
bfd_find_target (target_name, abfd)
- CONST char *target_name;
+ const char *target_name;
bfd *abfd;
{
- const bfd_target * const *target;
- extern char *getenv ();
- CONST char *targname = (target_name ? target_name :
- (CONST char *) getenv ("GNUTARGET"));
+ const char *targname;
+ const bfd_target *target;
+
+ if (target_name != NULL)
+ targname = target_name;
+ else
+ targname = getenv ("GNUTARGET");
/* This is safe; the vector cannot be null */
- if (targname == NULL || !strcmp (targname, "default")) {
- abfd->target_defaulted = true;
- return abfd->xvec = bfd_target_vector[0];
- }
+ if (targname == NULL || strcmp (targname, "default") == 0)
+ {
+ abfd->target_defaulted = true;
+ if (bfd_default_vector[0] != NULL)
+ abfd->xvec = bfd_default_vector[0];
+ else
+ abfd->xvec = bfd_target_vector[0];
+ return abfd->xvec;
+ }
abfd->target_defaulted = false;
- for (target = &bfd_target_vector[0]; *target != NULL; target++) {
- if (!strcmp (targname, (*target)->name))
- return abfd->xvec = *target;
- }
+ target = find_target (targname);
+ if (target == NULL)
+ return NULL;
- bfd_set_error (bfd_error_invalid_target);
- return NULL;
+ abfd->xvec = target;
+ return target;
}
-
/*
FUNCTION
bfd_target_list
bfd_target_list ()
{
int vec_length= 0;
-#ifdef NATIVE_HPPAHPUX_COMPILER
+#if defined (HOST_HPPAHPUX) && ! defined (__STDC__)
/* The native compiler on the HP9000/700 has a bug which causes it
to loop endlessly when compiling this file. This avoids it. */
volatile
name_ptr = name_list = (CONST char **)
bfd_zmalloc ((vec_length + 1) * sizeof (char **));
- if (name_list == NULL) {
- bfd_set_error (bfd_error_no_memory);
+ if (name_list == NULL)
return NULL;
- }
for (target = &bfd_target_vector[0]; *target != NULL; target++)
*(name_ptr++) = (*target)->name;