X-Git-Url: http://git.efficios.com/?a=blobdiff_plain;f=bfd%2Fi386os9k.c;h=f825bc620736601ca93c33bf70cdcdabcf75695f;hb=9f971fcbd4130c20944418a2a6381d1dab6e5bbd;hp=0aadee52d73d4f590ce3a49192f839cd2394a650;hpb=d0352a18a504a4e7b761f6b3264cf11347d8d056;p=deliverable%2Fbinutils-gdb.git diff --git a/bfd/i386os9k.c b/bfd/i386os9k.c index 0aadee52d7..f825bc6207 100644 --- a/bfd/i386os9k.c +++ b/bfd/i386os9k.c @@ -1,5 +1,6 @@ /* BFD back-end for os9000 i386 binaries. - Copyright 1990, 91, 92, 93, 94, 95, 98, 1999 Free Software Foundation, Inc. + Copyright 1990, 1991, 1992, 1993, 1994, 1995, 1998, 1999, 2001, 2002, + 2004, 2005 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., 59 Temple Place - Suite 330, Boston, MA 02111-1307, USA. */ +Foundation, Inc., 51 Franklin Street - Fifth Floor, Boston, MA 02110-1301, USA. */ #include "bfd.h" @@ -26,11 +27,18 @@ Foundation, Inc., 59 Temple Place - Suite 330, Boston, MA 02111-1307, USA. */ #include "libaout.h" /* BFD a.out internal data structures */ #include "os9k.h" -static const 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 *, bfd_boolean)); +bfd_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. */ -boolean +bfd_boolean os9k_swap_exec_header_in (abfd, raw_bytes, execp) bfd *abfd; mh_com *raw_bytes; @@ -40,70 +48,35 @@ os9k_swap_exec_header_in (abfd, raw_bytes, execp) 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_info = H_GET_16 (abfd, bytes->m_sync); execp->a_syms = 0; - execp->a_entry = bfd_h_get_32 (abfd, bytes->m_exec); + 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; if (bfd_seek (abfd, (file_ptr) dload, SEEK_SET) != 0 - || (bfd_read (&dmemstart, sizeof (dmemstart), 1, abfd) + || (bfd_bread (&dmemstart, (bfd_size_type) sizeof (dmemstart), abfd) != sizeof (dmemstart)) - || (bfd_read (&dmemsize, sizeof (dmemsize), 1, abfd) + || (bfd_bread (&dmemsize, (bfd_size_type) sizeof (dmemsize), abfd) != sizeof (dmemsize))) - return false; + return FALSE; execp->a_tload = 0; - execp->a_dload = bfd_h_get_32 (abfd, (unsigned char *) &dmemstart); + 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; + 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 (abfd, execp, raw_bytes) - bfd *abfd; - struct internal_exec *execp; - 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); - 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 const bfd_target * os9k_object_p (abfd) bfd *abfd; @@ -111,7 +84,7 @@ os9k_object_p (abfd) struct internal_exec anexec; mh_com exec_bytes; - if (bfd_read ((PTR) & exec_bytes, MHCOM_BYTES_SIZE, 1, abfd) + if (bfd_bread ((PTR) &exec_bytes, (bfd_size_type) MHCOM_BYTES_SIZE, abfd) != MHCOM_BYTES_SIZE) { if (bfd_get_error () != bfd_error_system_call) @@ -119,7 +92,7 @@ os9k_object_p (abfd) return 0; } - anexec.a_info = bfd_h_get_16 (abfd, exec_bytes.m_sync); + anexec.a_info = H_GET_16 (abfd, exec_bytes.m_sync); if (N_BADMAG (anexec)) { bfd_set_error (bfd_error_wrong_format); @@ -146,14 +119,14 @@ os9k_callback (abfd) struct internal_exec *execp = exec_hdr (abfd); unsigned long bss_start; - /* Architecture and machine type */ + /* 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; @@ -162,157 +135,36 @@ os9k_callback (abfd) obj_textsec (abfd)->vma = execp->a_tload; obj_datasec (abfd)->vma = execp->a_dload; - /* And reload the sizes, since the aout module zaps them */ - obj_textsec (abfd)->_raw_size = execp->a_text; + /* And reload the sizes, since the aout module zaps them. */ + obj_textsec (abfd)->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).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; -}; - -static boolean -os9k_mkobject (abfd) - bfd *abfd; -{ - struct bout_data_struct *rawptr; - - rawptr = (struct bout_data_struct *) bfd_zalloc (abfd, sizeof (struct bout_data_struct)); - if (rawptr == NULL) - return false; - - abfd->tdata.bout_data = rawptr; - exec_hdr (abfd) = &rawptr->e; - - obj_textsec (abfd) = (asection *) NULL; - obj_datasec (abfd) = (asection *) NULL; - obj_bsssec (abfd) = (asection *) NULL; - - return true; -} - -static boolean -os9k_write_object_contents (abfd) - bfd *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; - exec_hdr (abfd)->a_data = obj_datasec (abfd)->_raw_size; - exec_hdr (abfd)->a_bss = obj_bsssec (abfd)->_raw_size; - 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)); - exec_hdr (abfd)->a_drsize = ((obj_datasec (abfd)->reloc_count) * - sizeof (struct relocation_info)); - - exec_hdr (abfd)->a_talign = obj_textsec (abfd)->alignment_power; - exec_hdr (abfd)->a_dalign = obj_datasec (abfd)->alignment_power; - exec_hdr (abfd)->a_balign = obj_bsssec (abfd)->alignment_power; - - exec_hdr (abfd)->a_tload = obj_textsec (abfd)->vma; - exec_hdr (abfd)->a_dload = obj_datasec (abfd)->vma; - - bout_swap_exec_header_out (abfd, exec_hdr (abfd), &swapped_hdr); - - if (bfd_seek (abfd, (file_ptr) 0, SEEK_SET) != 0 - || (bfd_write ((PTR) & swapped_hdr, 1, 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) - { - if (bfd_seek (abfd, (file_ptr) (N_SYMOFF (*exec_hdr (abfd))), SEEK_SET) - != 0) - return false; - - if (!aout_32_write_syms (abfd)) - return false; - - 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; - 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; - } - return true; -} - -static boolean -os9k_set_section_contents (abfd, section, location, offset, count) - bfd *abfd; - sec_ptr section; - unsigned char *location; - file_ptr offset; - int count; -{ - - 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; - - } - /* 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; - - if (count != 0) - { - return (bfd_write ((PTR) location, 1, count, abfd) == count) ? true : false; - } - return true; -} -#endif /* 0 */ - static int os9k_sizeof_headers (ignore_abfd, ignore) bfd *ignore_abfd ATTRIBUTE_UNUSED; - boolean ignore ATTRIBUTE_UNUSED; + bfd_boolean ignore ATTRIBUTE_UNUSED; { return sizeof (struct internal_exec); } - -/***********************************************************************/ + #define aout_32_close_and_cleanup aout_32_bfd_free_cached_info @@ -327,47 +179,54 @@ os9k_sizeof_headers (ignore_abfd, ignore) 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_is_group_section bfd_generic_is_group_section +#define os9k_bfd_discard_group bfd_generic_discard_group +#define os9k_section_already_linked \ + _bfd_generic_section_already_linked #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, -}; + { + "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, + };