X-Git-Url: http://drtracing.org/?a=blobdiff_plain;f=bfd%2Fi386os9k.c;h=47f9ef3a1a84cddf7751d19c142fdff9aee67972;hb=2d653fc7608af5956303017a1ae8303e96784a59;hp=14e836697127a5a6c20718e68e0a57f10d0343d3;hpb=bb37e7161e6c7f271f56d8b920cb3a0ad06116de;p=deliverable%2Fbinutils-gdb.git diff --git a/bfd/i386os9k.c b/bfd/i386os9k.c index 14e8366971..47f9ef3a1a 100644 --- a/bfd/i386os9k.c +++ b/bfd/i386os9k.c @@ -1,5 +1,6 @@ /* BFD back-end for os9000 i386 binaries. - Copyright 1990, 1991, 1992, 1993 1994 Free Software Foundation, Inc. + Copyright 1990, 1991, 1992, 1993, 1994, 1995, 1998, 1999, 2001, 2002 + Free Software Foundation, Inc. Written by Cygnus Support. This file is part of BFD, the Binary File Descriptor library. @@ -16,7 +17,7 @@ GNU General Public License for more details. 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" @@ -26,98 +27,114 @@ Foundation, Inc., 675 Mass Ave, Cambridge, MA 02139, USA. */ #include "libaout.h" /* BFD a.out internal data structures */ #include "os9k.h" -static bfd_target *os9k_callback PARAMS ((bfd *)); +static const bfd_target * os9k_callback PARAMS ((bfd *)); +static const bfd_target * os9k_object_p PARAMS ((bfd *)); +static int os9k_sizeof_headers PARAMS ((bfd *, boolean)); +boolean os9k_swap_exec_header_in PARAMS ((bfd *, mh_com *, struct internal_exec *)); /* Swaps the information in an executable header taken from a raw byte stream memory image, into the internal exec_header structure. */ -void -DEFUN(os9k_swap_exec_header_in,(abfd, raw_bytes, execp), - bfd *abfd AND - mh_com *raw_bytes AND - struct internal_exec *execp) +boolean +os9k_swap_exec_header_in (abfd, raw_bytes, execp) + bfd *abfd; + mh_com *raw_bytes; + struct internal_exec *execp; { - mh_com *bytes = (mh_com *)raw_bytes; + mh_com *bytes = (mh_com *) raw_bytes; unsigned int dload, dmemsize, dmemstart; /* Now fill in fields in the execp, from the bytes in the raw data. */ - execp->a_info = bfd_h_get_16 (abfd, bytes->m_sync); - execp->a_syms = 0; - execp->a_entry = bfd_h_get_32 (abfd, bytes->m_exec); + execp->a_info = H_GET_16 (abfd, bytes->m_sync); + execp->a_syms = 0; + execp->a_entry = H_GET_32 (abfd, bytes->m_exec); execp->a_talign = 2; execp->a_dalign = 2; execp->a_balign = 2; - dload = bfd_h_get_32 (abfd, bytes->m_idata); + dload = H_GET_32 (abfd, bytes->m_idata); execp->a_data = dload + 8; - bfd_seek(abfd, (file_ptr)dload, SEEK_SET); - bfd_read(&dmemstart, sizeof(dmemstart), 1, abfd); - bfd_read(&dmemsize, sizeof(dmemsize), 1, abfd); + if (bfd_seek (abfd, (file_ptr) dload, SEEK_SET) != 0 + || (bfd_bread (&dmemstart, (bfd_size_type) sizeof (dmemstart), abfd) + != sizeof (dmemstart)) + || (bfd_bread (&dmemsize, (bfd_size_type) sizeof (dmemsize), abfd) + != sizeof (dmemsize))) + return false; - execp->a_tload = 0; - execp->a_dload = bfd_h_get_32 (abfd, (unsigned char *)&dmemstart); + execp->a_tload = 0; + execp->a_dload = H_GET_32 (abfd, (unsigned char *) &dmemstart); execp->a_text = dload - execp->a_tload; - execp->a_data = bfd_h_get_32 (abfd, (unsigned char *)&dmemsize); - execp->a_bss = bfd_h_get_32 (abfd, bytes->m_data) - execp->a_data; + execp->a_data = H_GET_32 (abfd, (unsigned char *) &dmemsize); + execp->a_bss = H_GET_32 (abfd, bytes->m_data) - execp->a_data; execp->a_trsize = 0; execp->a_drsize = 0; + + return true; } #if 0 /* Swaps the information in an internal exec header structure into the supplied buffer ready for writing to disk. */ -PROTO(void, os9k_swap_exec_header_out, - (bfd *abfd, - struct internal_exec *execp, - struct mh_com *raw_bytes)); +void os9k_swap_exec_header_out + PARAMS ((bfd *, struct internal_exec *, struct mh_com *)); + void -DEFUN(os9k_swap_exec_header_out,(abfd, execp, raw_bytes), - bfd *abfd AND - struct internal_exec *execp AND - mh_com *raw_bytes) +os9k_swap_exec_header_out (abfd, execp, raw_bytes) + bfd *abfd; + struct internal_exec *execp; + mh_com *raw_bytes; { - mh_com *bytes = (mh_com *)raw_bytes; + mh_com *bytes = (mh_com *) raw_bytes; /* Now fill in fields in the raw data, from the fields in the exec struct. */ - bfd_h_put_32 (abfd, execp->a_info , bytes->e_info); - bfd_h_put_32 (abfd, execp->a_text , bytes->e_text); - bfd_h_put_32 (abfd, execp->a_data , bytes->e_data); - bfd_h_put_32 (abfd, execp->a_bss , bytes->e_bss); - bfd_h_put_32 (abfd, execp->a_syms , bytes->e_syms); - bfd_h_put_32 (abfd, execp->a_entry , bytes->e_entry); - bfd_h_put_32 (abfd, execp->a_trsize, bytes->e_trsize); - bfd_h_put_32 (abfd, execp->a_drsize, bytes->e_drsize); - bfd_h_put_32 (abfd, execp->a_tload , bytes->e_tload); - bfd_h_put_32 (abfd, execp->a_dload , bytes->e_dload); + H_PUT_32 (abfd, execp->a_info, bytes->e_info); + H_PUT_32 (abfd, execp->a_text, bytes->e_text); + H_PUT_32 (abfd, execp->a_data, bytes->e_data); + H_PUT_32 (abfd, execp->a_bss, bytes->e_bss); + H_PUT_32 (abfd, execp->a_syms, bytes->e_syms); + H_PUT_32 (abfd, execp->a_entry, bytes->e_entry); + H_PUT_32 (abfd, execp->a_trsize, bytes->e_trsize); + H_PUT_32 (abfd, execp->a_drsize, bytes->e_drsize); + H_PUT_32 (abfd, execp->a_tload, bytes->e_tload); + H_PUT_32 (abfd, execp->a_dload, bytes->e_dload); bytes->e_talign[0] = execp->a_talign; bytes->e_dalign[0] = execp->a_dalign; bytes->e_balign[0] = execp->a_balign; bytes->e_relaxable[0] = execp->a_relaxable; } -#endif 0 -static bfd_target * +#endif /* 0 */ + +static const bfd_target * os9k_object_p (abfd) bfd *abfd; { struct internal_exec anexec; mh_com exec_bytes; - if (bfd_read ((PTR) &exec_bytes, MHCOM_BYTES_SIZE, 1, abfd) - != MHCOM_BYTES_SIZE) { - bfd_set_error (bfd_error_wrong_format); - return 0; - } + if (bfd_bread ((PTR) &exec_bytes, (bfd_size_type) MHCOM_BYTES_SIZE, abfd) + != MHCOM_BYTES_SIZE) + { + if (bfd_get_error () != bfd_error_system_call) + bfd_set_error (bfd_error_wrong_format); + return 0; + } - anexec.a_info = bfd_h_get_16 (abfd, exec_bytes.m_sync); - if (N_BADMAG (anexec)) { - bfd_set_error (bfd_error_wrong_format); - return 0; - } + anexec.a_info = H_GET_16 (abfd, exec_bytes.m_sync); + if (N_BADMAG (anexec)) + { + bfd_set_error (bfd_error_wrong_format); + return 0; + } - os9k_swap_exec_header_in (abfd, &exec_bytes, &anexec); + if (! os9k_swap_exec_header_in (abfd, &exec_bytes, &anexec)) + { + if (bfd_get_error () != bfd_error_system_call) + bfd_set_error (bfd_error_wrong_format); + return NULL; + } return aout_32_some_aout_object_p (abfd, &anexec, os9k_callback); } @@ -125,55 +142,55 @@ os9k_object_p (abfd) /* Finish up the opening of a b.out file for reading. Fill in all the fields that are not handled by common code. */ -static bfd_target * +static const bfd_target * os9k_callback (abfd) bfd *abfd; { struct internal_exec *execp = exec_hdr (abfd); unsigned long bss_start; - /* Architecture and machine type */ - bfd_set_arch_mach(abfd, bfd_arch_i386, 0); + /* Architecture and machine type. */ + bfd_set_arch_mach (abfd, bfd_arch_i386, 0); /* The positions of the string table and symbol table. */ obj_str_filepos (abfd) = 0; obj_sym_filepos (abfd) = 0; - /* The alignments of the sections */ + /* The alignments of the sections. */ obj_textsec (abfd)->alignment_power = execp->a_talign; obj_datasec (abfd)->alignment_power = execp->a_dalign; - obj_bsssec (abfd)->alignment_power = execp->a_balign; + obj_bsssec (abfd)->alignment_power = execp->a_balign; /* The starting addresses of the sections. */ obj_textsec (abfd)->vma = execp->a_tload; obj_datasec (abfd)->vma = execp->a_dload; - /* And reload the sizes, since the aout module zaps them */ + /* And reload the sizes, since the aout module zaps them. */ obj_textsec (abfd)->_raw_size = execp->a_text; - bss_start = execp->a_dload + execp->a_data; /* BSS = end of data section */ + bss_start = execp->a_dload + execp->a_data; /* BSS = end of data section. */ obj_bsssec (abfd)->vma = align_power (bss_start, execp->a_balign); - /* The file positions of the sections */ + /* The file positions of the sections. */ obj_textsec (abfd)->filepos = execp->a_entry; obj_datasec (abfd)->filepos = execp->a_dload; /* The file positions of the relocation info *** obj_textsec (abfd)->rel_filepos = N_TROFF(*execp); - obj_datasec (abfd)->rel_filepos = N_DROFF(*execp); - */ + obj_datasec (abfd)->rel_filepos = N_DROFF(*execp); */ - adata(abfd).page_size = 1; /* Not applicable. */ - adata(abfd).segment_size = 1; /* Not applicable. */ - adata(abfd).exec_bytes_size = MHCOM_BYTES_SIZE; + adata (abfd).page_size = 1; /* Not applicable. */ + adata (abfd).segment_size = 1;/* Not applicable. */ + adata (abfd).exec_bytes_size = MHCOM_BYTES_SIZE; return abfd->xvec; } #if 0 -struct bout_data_struct { - struct aoutdata a; - struct internal_exec e; +struct bout_data_struct +{ + struct aoutdata a; + struct internal_exec e; }; static boolean @@ -181,24 +198,18 @@ os9k_mkobject (abfd) bfd *abfd; { struct bout_data_struct *rawptr; + bfd_size_type amt = sizeof (struct bout_data_struct); - rawptr = (struct bout_data_struct *) bfd_zalloc (abfd, sizeof (struct bout_data_struct)); - if (rawptr == NULL) { - bfd_set_error (bfd_error_no_memory); - return false; - } + rawptr = (struct bout_data_struct *) bfd_zalloc (abfd, amt); + if (rawptr == NULL) + return false; abfd->tdata.bout_data = rawptr; exec_hdr (abfd) = &rawptr->e; - /* For simplicity's sake we just make all the sections right here. */ - obj_textsec (abfd) = (asection *)NULL; - obj_datasec (abfd) = (asection *)NULL; - obj_bsssec (abfd) = (asection *)NULL; - - bfd_make_section (abfd, ".text"); - bfd_make_section (abfd, ".data"); - bfd_make_section (abfd, ".bss"); + obj_textsec (abfd) = (asection *) NULL; + obj_datasec (abfd) = (asection *) NULL; + obj_bsssec (abfd) = (asection *) NULL; return true; } @@ -209,6 +220,9 @@ os9k_write_object_contents (abfd) { struct external_exec swapped_hdr; + if (! aout_32_make_sections (abfd)) + return false; + exec_hdr (abfd)->a_info = BMAGIC; exec_hdr (abfd)->a_text = obj_textsec (abfd)->_raw_size; @@ -217,9 +231,9 @@ os9k_write_object_contents (abfd) exec_hdr (abfd)->a_syms = bfd_get_symcount (abfd) * sizeof (struct nlist); exec_hdr (abfd)->a_entry = bfd_get_start_address (abfd); exec_hdr (abfd)->a_trsize = ((obj_textsec (abfd)->reloc_count) * - sizeof (struct relocation_info)); + sizeof (struct relocation_info)); exec_hdr (abfd)->a_drsize = ((obj_datasec (abfd)->reloc_count) * - sizeof (struct relocation_info)); + sizeof (struct relocation_info)); exec_hdr (abfd)->a_talign = obj_textsec (abfd)->alignment_power; exec_hdr (abfd)->a_dalign = obj_datasec (abfd)->alignment_power; @@ -230,23 +244,33 @@ os9k_write_object_contents (abfd) bout_swap_exec_header_out (abfd, exec_hdr (abfd), &swapped_hdr); - bfd_seek (abfd, (file_ptr) 0, SEEK_SET); - bfd_write ((PTR) &swapped_hdr, 1, EXEC_BYTES_SIZE, abfd); + if (bfd_seek (abfd, (file_ptr) 0, SEEK_SET) != 0 + || bfd_bwrite ((PTR) & swapped_hdr, (bfd_size_type) EXEC_BYTES_SIZE, + abfd) != EXEC_BYTES_SIZE) + return false; - /* Now write out reloc info, followed by syms and strings */ - if (bfd_get_symcount (abfd) != 0) + /* Now write out reloc info, followed by syms and strings. */ + if (bfd_get_symcount (abfd) != 0) { - bfd_seek (abfd, (file_ptr)(N_SYMOFF(*exec_hdr(abfd))), SEEK_SET); + if (bfd_seek (abfd, (file_ptr) (N_SYMOFF (*exec_hdr (abfd))), SEEK_SET) + != 0) + return false; - if (! aout_32_write_syms (abfd)) + if (!aout_32_write_syms (abfd)) return false; - bfd_seek (abfd, (file_ptr)(N_TROFF(*exec_hdr(abfd))), SEEK_SET); + if (bfd_seek (abfd, (file_ptr) (N_TROFF (*exec_hdr (abfd))), SEEK_SET) + != 0) + return false; - if (!b_out_squirt_out_relocs (abfd, obj_textsec (abfd))) return false; - bfd_seek (abfd, (file_ptr)(N_DROFF(*exec_hdr(abfd))), SEEK_SET); + if (!b_out_squirt_out_relocs (abfd, obj_textsec (abfd))) + return false; + if (bfd_seek (abfd, (file_ptr) (N_DROFF (*exec_hdr (abfd))), SEEK_SET) + != 0) + return false; - if (!b_out_squirt_out_relocs (abfd, obj_datasec (abfd))) return false; + if (!b_out_squirt_out_relocs (abfd, obj_datasec (abfd))) + return false; } return true; } @@ -257,105 +281,97 @@ os9k_set_section_contents (abfd, section, location, offset, count) sec_ptr section; unsigned char *location; file_ptr offset; - int count; + int count; { - if (abfd->output_has_begun == false) { /* set by bfd.c handler */ - if ((obj_textsec (abfd) == NULL) || (obj_datasec (abfd) == NULL) /*|| - (obj_textsec (abfd)->_cooked_size == 0) || (obj_datasec (abfd)->_cooked_size == 0)*/) { - bfd_set_error (bfd_error_invalid_operation); - return false; - } + if (abfd->output_has_begun == false) + { /* set by bfd.c handler */ + if (! aout_32_make_sections (abfd)) + return false; + + obj_textsec (abfd)->filepos = sizeof (struct internal_exec); + obj_datasec (abfd)->filepos = obj_textsec (abfd)->filepos + + obj_textsec (abfd)->_raw_size; - obj_textsec (abfd)->filepos = sizeof(struct internal_exec); - obj_datasec(abfd)->filepos = obj_textsec(abfd)->filepos - + obj_textsec (abfd)->_raw_size; + } + /* Regardless, once we know what we're doing, we might as well get going. */ + if (bfd_seek (abfd, section->filepos + offset, SEEK_SET) != 0) + return false; - } - /* regardless, once we know what we're doing, we might as well get going */ - bfd_seek (abfd, section->filepos + offset, SEEK_SET); + if (count != 0) + return bfd_bwrite ((PTR) location, (bfd_size_type) count, abfd) == count; - if (count != 0) { - return (bfd_write ((PTR)location, 1, count, abfd) == count) ?true:false; - } return true; } -#endif 0 +#endif /* 0 */ -static int -DEFUN(os9k_sizeof_headers,(ignore_abfd, ignore), - bfd *ignore_abfd AND - boolean ignore) +static int +os9k_sizeof_headers (ignore_abfd, ignore) + bfd *ignore_abfd ATTRIBUTE_UNUSED; + boolean ignore ATTRIBUTE_UNUSED; { - return sizeof(struct internal_exec); + return sizeof (struct internal_exec); } + -/***********************************************************************/ - -/* We don't have core files. */ -#define aout_32_core_file_failing_command _bfd_dummy_core_file_failing_command -#define aout_32_core_file_failing_signal _bfd_dummy_core_file_failing_signal -#define aout_32_core_file_matches_executable_p \ - _bfd_dummy_core_file_matches_executable_p - -/* We use BSD-Unix generic archive files. */ -#define aout_32_openr_next_archived_file bfd_generic_openr_next_archived_file -#define aout_32_generic_stat_arch_elt bfd_generic_stat_arch_elt -#define aout_32_slurp_armap bfd_slurp_bsd_armap -#define aout_32_slurp_extended_name_table _bfd_slurp_extended_name_table -#define aout_32_write_armap bsd_write_armap -#define aout_32_truncate_arname bfd_bsd_truncate_arname - -/* We override these routines from the usual a.out file routines. */ -#define aout_32_canonicalize_reloc bfd_canonicalize_reloc -#define aout_32_get_reloc_upper_bound bfd_get_reloc_upper_bound -#define aout_32_set_section_contents bfd_set_section_contents -#define aout_32_set_arch_mach bfd_default_set_arch_mach -#define aout_32_sizeof_headers os9k_sizeof_headers - -#define aout_32_bfd_debug_info_start bfd_void -#define aout_32_bfd_debug_info_end bfd_void -#define aout_32_bfd_debug_info_accumulate (PROTO(void,(*),(bfd*, struct sec *))) bfd_void - -#define aout_32_bfd_make_debug_symbol \ - ((asymbol *(*) PARAMS ((bfd *, void *, unsigned long))) bfd_nullvoidptr) -#define aout_32_bfd_link_hash_table_create _bfd_generic_link_hash_table_create -#define aout_32_bfd_link_add_symbols _bfd_generic_link_add_symbols -#define aout_32_bfd_final_link _bfd_generic_final_link -#define aout_32_bfd_get_relocated_section_contents bfd_generic_get_relocated_section_contents -#define aout_32_bfd_relax_section bfd_generic_relax_section -#define aout_32_bfd_reloc_type_lookup \ - ((CONST struct reloc_howto_struct *(*) PARAMS \ -((bfd *, bfd_reloc_code_real_type))) bfd_nullvoidptr) - -bfd_target i386os9k_vec = -{ - "i386os9k", /* name */ - bfd_target_os9k_flavour, - false, /* data byte order is little */ - false, /* hdr byte order is big */ - (HAS_RELOC | EXEC_P | WP_TEXT), /* object flags */ - (SEC_HAS_CONTENTS | SEC_ALLOC | SEC_LOAD ), /* section flags */ - 0, /* symbol leading char */ - ' ', /* ar_pad_char */ - 16, /* ar_max_namelen */ - 2, /* minumum alignment power */ - - bfd_getl64, bfd_getl_signed_64, bfd_putl64, - bfd_getl32, bfd_getl_signed_32, bfd_putl32, - bfd_getl16, bfd_getl_signed_16, bfd_putl16, /* data */ - bfd_getl64, bfd_getl_signed_64, bfd_putl64, - bfd_getl32, bfd_getl_signed_32, bfd_putl32, - bfd_getl16, bfd_getl_signed_16, bfd_putl16, /* hdrs */ - {_bfd_dummy_target, os9k_object_p, /* bfd_check_format */ - bfd_generic_archive_p, _bfd_dummy_target}, - {bfd_false, bfd_false, /* bfd_set_format */ - _bfd_generic_mkarchive, bfd_false}, - {bfd_false, bfd_false, /* bfd_write_contents */ - _bfd_write_archive_contents, bfd_false}, - - JUMP_TABLE(aout_32), - (PTR) 0, -}; - +#define aout_32_close_and_cleanup aout_32_bfd_free_cached_info + +#define aout_32_bfd_make_debug_symbol _bfd_nosymbols_bfd_make_debug_symbol + +#define aout_32_bfd_reloc_type_lookup _bfd_norelocs_bfd_reloc_type_lookup + +#define aout_32_get_section_contents_in_window \ + _bfd_generic_get_section_contents_in_window + +#define os9k_bfd_get_relocated_section_contents \ + bfd_generic_get_relocated_section_contents +#define os9k_bfd_relax_section bfd_generic_relax_section +#define os9k_bfd_gc_sections bfd_generic_gc_sections +#define os9k_bfd_merge_sections bfd_generic_merge_sections +#define os9k_bfd_link_hash_table_create _bfd_generic_link_hash_table_create +#define os9k_bfd_link_hash_table_free _bfd_generic_link_hash_table_free +#define os9k_bfd_link_add_symbols _bfd_generic_link_add_symbols +#define os9k_bfd_link_just_syms _bfd_generic_link_just_syms +#define os9k_bfd_final_link _bfd_generic_final_link +#define os9k_bfd_link_split_section _bfd_generic_link_split_section + +const bfd_target i386os9k_vec = + { + "i386os9k", /* name */ + bfd_target_os9k_flavour, + BFD_ENDIAN_LITTLE, /* data byte order is little */ + BFD_ENDIAN_LITTLE, /* hdr byte order is little */ + (HAS_RELOC | EXEC_P | WP_TEXT), /* object flags */ + (SEC_HAS_CONTENTS | SEC_ALLOC | SEC_LOAD), /* section flags */ + 0, /* symbol leading char */ + ' ', /* ar_pad_char */ + 16, /* ar_max_namelen */ + + bfd_getl64, bfd_getl_signed_64, bfd_putl64, + bfd_getl32, bfd_getl_signed_32, bfd_putl32, + bfd_getl16, bfd_getl_signed_16, bfd_putl16, /* data */ + bfd_getl64, bfd_getl_signed_64, bfd_putl64, + bfd_getl32, bfd_getl_signed_32, bfd_putl32, + bfd_getl16, bfd_getl_signed_16, bfd_putl16, /* hdrs */ + {_bfd_dummy_target, os9k_object_p, /* bfd_check_format */ + bfd_generic_archive_p, _bfd_dummy_target}, + {bfd_false, bfd_false, /* bfd_set_format */ + _bfd_generic_mkarchive, bfd_false}, + {bfd_false, bfd_false, /* bfd_write_contents */ + _bfd_write_archive_contents, bfd_false}, + + BFD_JUMP_TABLE_GENERIC (aout_32), + BFD_JUMP_TABLE_COPY (_bfd_generic), + BFD_JUMP_TABLE_CORE (_bfd_nocore), + BFD_JUMP_TABLE_ARCHIVE (_bfd_archive_bsd), + BFD_JUMP_TABLE_SYMBOLS (aout_32), + BFD_JUMP_TABLE_RELOCS (aout_32), + BFD_JUMP_TABLE_WRITE (aout_32), + BFD_JUMP_TABLE_LINK (os9k), + BFD_JUMP_TABLE_DYNAMIC (_bfd_nodynamic), + + NULL, + + (PTR) 0, + };