/* Generic target-file-type support for the BFD library.
- Copyright 1990, 91, 92, 93, 94, 95, 1996 Free Software Foundation, Inc.
+ Copyright 1990, 91, 92, 93, 94, 95, 96, 97, 98, 1999
+ Free Software Foundation, Inc.
Written by Cygnus Support.
This file is part of BFD, the Binary File Descriptor library.
#include "bfd.h"
#include "sysdep.h"
#include "libbfd.h"
+#include "fnmatch.h"
/*
SECTION
. bfd_target_os9k_flavour,
. bfd_target_versados_flavour,
. bfd_target_msdos_flavour,
+. bfd_target_ovax_flavour,
. bfd_target_evax_flavour
.};
.
. boolean (*_bfd_write_contents[bfd_type_end]) PARAMS ((bfd *));
-The general target vector.
+The general target vector. These vectors are initialized using the
+BFD_JUMP_TABLE macros.
.
. {* Generic entry points. *}
.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),\
. 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,
.CAT(NAME,_bfd_link_hash_table_create),\
.CAT(NAME,_bfd_link_add_symbols),\
.CAT(NAME,_bfd_final_link),\
-.CAT(NAME,_bfd_link_split_section)
+.CAT(NAME,_bfd_link_split_section),\
+.CAT(NAME,_bfd_gc_sections)
. int (*_bfd_sizeof_headers) PARAMS ((bfd *, boolean));
. bfd_byte * (*_bfd_get_relocated_section_contents) PARAMS ((bfd *,
. struct bfd_link_info *, struct bfd_link_order *,
. {* Should this section be split up into smaller pieces during linking. *}
. boolean (*_bfd_link_split_section) PARAMS ((bfd *, struct sec *));
.
-. {* Routines to handle dynamic symbols and relocs. *}
+. {* Remove sections that are not referenced from the output. *}
+. boolean (*_bfd_gc_sections) PARAMS ((bfd *, struct bfd_link_info *));
+.
+. {* Routines to handle dynamic symbols and relocs. *}
.#define BFD_JUMP_TABLE_DYNAMIC(NAME)\
.CAT(NAME,_get_dynamic_symtab_upper_bound),\
.CAT(NAME,_canonicalize_dynamic_symtab),\
. PARAMS ((bfd *, arelent **, struct symbol_cache_entry **));
.
+A pointer to an alternative bfd_target in case the current one is not
+satisfactory. This can happen when the target cpu supports both big
+and little endian code, and target chosen by the linker has the wrong
+endianness. The function open_output() in ld/ldlang.c uses this field
+to find an alternative output format that is suitable.
+
+. {* Opposite endian version of this target. *}
+. const struct bfd_target * alternative_target;
+.
+
Data for use by back-end routines, which isn't generic enough to belong
in this structure.
. PTR backend_data;
+.
.} bfd_target;
*/
extern const bfd_target apollocoff_vec;
extern const bfd_target armcoff_little_vec;
extern const bfd_target armcoff_big_vec;
+extern const bfd_target armnetbsd_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 arm_epoc_pe_little_vec;
+extern const bfd_target arm_epoc_pe_big_vec;
+extern const bfd_target arm_epoc_pei_little_vec;
+extern const bfd_target arm_epoc_pei_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_bigarm_vec;
+extern const bfd_target bfd_elf32_bigarm_oabi_vec;
extern const bfd_target bfd_elf32_littlearc_vec;
-/* end-sanitize-arc */
+extern const bfd_target bfd_elf32_littlearm_vec;
+extern const bfd_target bfd_elf32_littlearm_oabi_vec;
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;
-/* start-sanitize-d10v */
extern const bfd_target bfd_elf32_d10v_vec;
-/* end-sanitize-d10v */
+extern const bfd_target bfd_elf32_d30v_vec;
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_i960_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;
-/* start-sanitize-m32r */
extern const bfd_target bfd_elf32_m32r_vec;
-/* end-sanitize-m32r */
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_pj_vec;
+extern const bfd_target bfd_elf32_pjl_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_elf32_fr30_vec;
+extern const bfd_target bfd_elf32_mcore_big_vec;
+extern const bfd_target bfd_elf32_mcore_little_vec;
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 i386pe_vec;
extern const bfd_target i386pei_vec;
extern const bfd_target go32coff_vec;
+extern const bfd_target go32stubbedcoff_vec;
extern const bfd_target i386linux_vec;
extern const bfd_target i386lynx_aout_vec;
extern const bfd_target i386lynx_coff_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 mcore_pe_big_vec;
+extern const bfd_target mcore_pe_little_vec;
+extern const bfd_target mcore_pei_big_vec;
+extern const bfd_target mcore_pei_little_vec;
extern const bfd_target newsos3_vec;
extern const bfd_target nlm32_i386_vec;
extern const bfd_target nlm32_sparc_vec;
extern const bfd_target rs6000coff_vec;
extern const bfd_target shcoff_vec;
extern const bfd_target shlcoff_vec;
+extern const bfd_target shcoff_small_vec;
+extern const bfd_target shlcoff_small_vec;
extern const bfd_target sparcle_aout_vec;
+extern const bfd_target sparclinux_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;
+extern const bfd_target tic30_aout_vec;
+extern const bfd_target tic30_coff_vec;
+extern const bfd_target tic80coff_vec;
+extern const bfd_target vaxnetbsd_vec;
extern const bfd_target versados_vec;
+extern const bfd_target vms_alpha_vec;
+extern const bfd_target vms_vax_vec;
extern const bfd_target we32kcoff_vec;
extern const bfd_target w65_vec;
extern const bfd_target z8kcoff_vec;
/* All of the xvecs for core files. */
extern const bfd_target aix386_core_vec;
-extern const bfd_target cisco_core_vec;
+extern const bfd_target cisco_core_big_vec;
+extern const bfd_target cisco_core_little_vec;
extern const bfd_target hpux_core_vec;
extern const bfd_target hppabsd_core_vec;
extern const bfd_target irix_core_vec;
+extern const bfd_target netbsd_core_vec;
extern const bfd_target osf_core_vec;
-extern const bfd_target sco_core_vec;
+extern const bfd_target sco5_core_vec;
extern const bfd_target trad_core_vec;
extern const bfd_target ptrace_core_vec;
#ifdef BFD64
&bfd_elf64_alpha_vec,
#endif
-/* start-sanitize-arc */
&bfd_elf32_bigarc_vec,
-/* end-sanitize-arc */
+ &bfd_elf32_bigarm_vec,
+ &bfd_elf32_bigarm_oabi_vec,
&bfd_elf32_bigmips_vec,
#ifdef BFD64
&bfd_elf64_bigmips_vec,
#endif
-/* start-sanitize-d10v */
&bfd_elf32_d10v_vec,
-/* end-sanitize-d10v */
+ &bfd_elf32_d30v_vec,
&bfd_elf32_hppa_vec,
&bfd_elf32_i386_vec,
&bfd_elf32_i860_vec,
+ &bfd_elf32_i960_vec,
&bfd_elf32_little_generic_vec,
-/* start-sanitize-arc */
&bfd_elf32_littlearc_vec,
-/* end-sanitize-arc */
+ &bfd_elf32_littlearm_vec,
+ &bfd_elf32_littlearm_oabi_vec,
&bfd_elf32_littlemips_vec,
#ifdef BFD64
&bfd_elf64_littlemips_vec,
#endif
-/* start-sanitize-m32r */
&bfd_elf32_m32r_vec,
-/* end-sanitize-m32r */
&bfd_elf32_mn10200_vec,
&bfd_elf32_mn10300_vec,
&bfd_elf32_m68k_vec,
&bfd_elf32_m88k_vec,
&bfd_elf32_sparc_vec,
+ &bfd_elf32_pj_vec,
+ &bfd_elf32_pjl_vec,
&bfd_elf32_powerpc_vec,
-/* start-sanitize-v850 */
+ &bfd_elf32_powerpcle_vec,
&bfd_elf32_v850_vec,
-/* end-sanitize-v850 */
+ &bfd_elf32_fr30_vec,
+ &bfd_elf32_mcore_big_vec,
+ &bfd_elf32_mcore_little_vec,
#ifdef BFD64 /* No one seems to use this. */
&bfd_elf64_big_generic_vec,
&bfd_elf64_little_generic_vec,
#if 0
&bfd_elf64_sparc_vec,
#endif
- /* We don't include cisco_core_vec. Although it has a magic number,
+ /* We don't include cisco_core_*_vec. Although it has a magic number,
the magic number isn't at the beginning of the file, and thus
might spuriously match other kinds of files. */
#ifdef BFD64
#endif
&ecoff_big_vec,
&ecoff_little_vec,
+ &ecoff_biglittle_vec,
#ifdef BFD64
&ecoffalpha_little_vec,
- &evax_alpha_vec,
#endif
&h8300coff_vec,
&h8500coff_vec,
&bfd_powerpc_pei_vec,
&bfd_powerpcle_pei_vec,
&go32coff_vec,
+ &go32stubbedcoff_vec,
#if 0
/* Since a.out files lack decent magic numbers, no way to recognize
which kind of a.out file it is. */
&i386pei_vec,
&armcoff_little_vec,
&armcoff_big_vec,
+ &armnetbsd_vec,
&armpe_little_vec,
&armpe_big_vec,
&armpei_little_vec,
&armpei_big_vec,
+ &arm_epoc_pe_little_vec,
+ &arm_epoc_pe_big_vec,
+ &arm_epoc_pei_little_vec,
+ &arm_epoc_pei_big_vec,
&icoff_big_vec,
&icoff_little_vec,
&ieee_vec,
&m68klynx_aout_vec,
&m68klynx_coff_vec,
&m68knetbsd_vec,
+ &m68ksysvcoff_vec,
&m88kbcs_vec,
&m88kmach3_vec,
+ &mcore_pe_big_vec,
+ &mcore_pe_little_vec,
+ &mcore_pei_big_vec,
+ &mcore_pei_little_vec,
&newsos3_vec,
&nlm32_i386_vec,
&nlm32_sparc_vec,
&ppcboot_vec,
&shcoff_vec,
&shlcoff_vec,
+ &shcoff_small_vec,
+ &shlcoff_small_vec,
&sparcle_aout_vec,
+ &sparclinux_vec,
&sparclynx_aout_vec,
&sparclynx_coff_vec,
&sparcnetbsd_vec,
&sunos_big_vec,
&aout0_big_vec,
- &tekhex_vec,
- &we32kcoff_vec,
+ &tic30_aout_vec,
+ &tic30_coff_vec,
+ &tic80coff_vec,
+ &vaxnetbsd_vec,
&versados_vec,
+#ifdef BFD64
+ &vms_alpha_vec,
+#endif
+ &vms_vax_vec,
+ &we32kcoff_vec,
&z8kcoff_vec,
#endif /* not SELECT_VECS */
#ifdef IRIX_CORE
&irix_core_vec,
#endif
+#ifdef NETBSD_CORE
+ &netbsd_core_vec,
+#endif
#ifdef OSF_CORE
&osf_core_vec,
#endif
+#ifdef SCO5_CORE
+ &sco5_core_vec,
+#endif
#ifdef TRAD_CORE
&trad_core_vec,
#endif
/* 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. */
+ const bfd_target *vector;
+};
+
+/* 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;
+ 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 *target;
+
+ if (bfd_default_vector[0] != NULL
+ && strcmp (name, bfd_default_vector[0]->name) == 0)
+ return true;
+
+ 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
return name_list;
}
+
+/*
+FUNCTION
+ bfd_seach_for_target
+
+SYNOPSIS
+ const bfd_target * bfd_search_for_target (int (* search_func)(const bfd_target *, void *), void *);
+
+DESCRIPTION
+ Return a pointer to the first transfer vector in the list of
+ transfer vectors maintained by BFD that produces a non-zero
+ result when passed to the function @var{search_func}. The
+ parameter @var{data} is passed, unexamined, to the search
+ function.
+*/
+
+const bfd_target *
+bfd_search_for_target (search_func, data)
+ int (* search_func) PARAMS ((const bfd_target * target, void * data));
+ void * data;
+{
+ const bfd_target * const * target;
+
+ for (target = bfd_target_vector; * target != NULL; target ++)
+ if (search_func (* target, data))
+ return * target;
+
+ return NULL;
+}
projects / external / binutils.git / blobdiff