X-Git-Url: http://drtracing.org/?a=blobdiff_plain;f=bfd%2Ftargets.c;h=c5ec4d47eb6d6dde5cb54b0cfc680e39bbea602a;hb=f6af82bd4470673eef9562d4ed3a2717c1d749ab;hp=964e6567e43582667c471aeaf98ba52dd10294ce;hpb=ae1b99e42dbce238cd7eb5efd38672b8306f1148;p=deliverable%2Fbinutils-gdb.git diff --git a/bfd/targets.c b/bfd/targets.c index 964e6567e4..c5ec4d47eb 100644 --- a/bfd/targets.c +++ b/bfd/targets.c @@ -1,5 +1,6 @@ /* 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. @@ -21,6 +22,7 @@ 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 @@ -150,6 +152,7 @@ DESCRIPTION . bfd_target_os9k_flavour, . bfd_target_versados_flavour, . bfd_target_msdos_flavour, +. bfd_target_ovax_flavour, . bfd_target_evax_flavour .}; . @@ -242,7 +245,8 @@ Write cached information into a file being written, at <>. . 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. *} @@ -339,7 +343,7 @@ The general target vector. .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),\ @@ -358,7 +362,7 @@ The general target vector. . 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, @@ -411,7 +415,8 @@ The general target vector. .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 *, @@ -435,7 +440,10 @@ The general target vector. . {* 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),\ @@ -453,10 +461,21 @@ The general target vector. . 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; */ @@ -475,52 +494,60 @@ extern const bfd_target aout0_big_vec; 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; @@ -540,6 +567,7 @@ 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 go32stubbedcoff_vec; extern const bfd_target i386linux_vec; extern const bfd_target i386lynx_aout_vec; extern const bfd_target i386lynx_coff_vec; @@ -557,9 +585,14 @@ 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 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; @@ -574,14 +607,23 @@ extern const bfd_target pmac_xcoff_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; @@ -598,12 +640,14 @@ 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; +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; @@ -641,39 +685,43 @@ const bfd_target * const bfd_target_vector[] = { #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, +#if 0 &bfd_elf32_hppa_vec, +#endif &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, @@ -681,7 +729,7 @@ const bfd_target * const bfd_target_vector[] = { #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 @@ -689,9 +737,9 @@ const bfd_target * const bfd_target_vector[] = { #endif &ecoff_big_vec, &ecoff_little_vec, + &ecoff_biglittle_vec, #ifdef BFD64 &ecoffalpha_little_vec, - &evax_alpha_vec, #endif &h8300coff_vec, &h8500coff_vec, @@ -717,6 +765,7 @@ const bfd_target * const bfd_target_vector[] = { &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. */ @@ -735,10 +784,15 @@ const bfd_target * const bfd_target_vector[] = { &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, @@ -752,8 +806,13 @@ const bfd_target * const bfd_target_vector[] = { &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, @@ -784,15 +843,25 @@ const bfd_target * const bfd_target_vector[] = { &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 */ @@ -821,9 +890,15 @@ const bfd_target * const bfd_target_vector[] = { #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 @@ -838,7 +913,7 @@ const bfd_target * const bfd_target_vector[] = { /* 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 @@ -849,6 +924,88 @@ const bfd_target * const bfd_default_vector[] = { 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); + +/* 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 @@ -871,32 +1028,38 @@ DESCRIPTION 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 @@ -937,3 +1100,32 @@ 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; +}