X-Git-Url: http://drtracing.org/?a=blobdiff_plain;f=bfd%2Fi386os9k.c;h=fa4fc425565344b48c3fdb444b0ed1ffd8a9a3f7;hb=6bba1048d63e0476b94b9934527defd81c590a13;hp=5ae994bfd6f91192b316c4974fa8e8cf6c5472d3;hpb=e61463e1e61219fa605d31d2297cb7a88d6da1db;p=deliverable%2Fbinutils-gdb.git diff --git a/bfd/i386os9k.c b/bfd/i386os9k.c index 5ae994bfd6..fa4fc42556 100644 --- a/bfd/i386os9k.c +++ b/bfd/i386os9k.c @@ -1,44 +1,38 @@ /* BFD back-end for os9000 i386 binaries. - Copyright 1990, 1991, 1992, 1993, 1994, 1995, 1998, 1999, 2001, 2002 - Free Software Foundation, Inc. + Copyright 1990, 1991, 1992, 1993, 1994, 1995, 1998, 1999, 2001, 2002, + 2004, 2005, 2006, 2007 Free Software Foundation, Inc. Written by Cygnus Support. -This file is part of BFD, the Binary File Descriptor library. + This file is part of BFD, the Binary File Descriptor library. -This program is free software; you can redistribute it and/or modify -it under the terms of the GNU General Public License as published by -the Free Software Foundation; either version 2 of the License, or -(at your option) any later version. + This program is free software; you can redistribute it and/or modify + it under the terms of the GNU General Public License as published by + the Free Software Foundation; either version 3 of the License, or + (at your option) any later version. -This program is distributed in the hope that it will be useful, -but WITHOUT ANY WARRANTY; without even the implied warranty of -MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the -GNU General Public License for more details. + This program is distributed in the hope that it will be useful, + but WITHOUT ANY WARRANTY; without even the implied warranty of + MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the + 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. */ + 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., 51 Franklin Street - Fifth Floor, Boston, + MA 02110-1301, USA. */ - -#include "bfd.h" #include "sysdep.h" +#include "bfd.h" #include "libbfd.h" #include "bfdlink.h" #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_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. */ -boolean -os9k_swap_exec_header_in (abfd, raw_bytes, execp) - bfd *abfd; - mh_com *raw_bytes; - struct internal_exec *execp; +static bfd_boolean +os9k_swap_exec_header_in (bfd *abfd, + mh_com *raw_bytes, + struct internal_exec *execp) { mh_com *bytes = (mh_com *) raw_bytes; unsigned int dload, dmemsize, dmemstart; @@ -59,7 +53,7 @@ os9k_swap_exec_header_in (abfd, raw_bytes, execp) != sizeof (dmemstart)) || (bfd_bread (&dmemsize, (bfd_size_type) sizeof (dmemsize), abfd) != sizeof (dmemsize))) - return false; + return FALSE; execp->a_tload = 0; execp->a_dload = H_GET_32 (abfd, (unsigned char *) &dmemstart); @@ -70,72 +64,7 @@ os9k_swap_exec_header_in (abfd, raw_bytes, execp) 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. */ - -void os9k_swap_exec_header_out - PARAMS ((bfd *, struct internal_exec *, struct mh_com *)); - -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. */ - 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 const bfd_target * -os9k_object_p (abfd) - bfd *abfd; -{ - struct internal_exec anexec; - mh_com exec_bytes; - - 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 = H_GET_16 (abfd, exec_bytes.m_sync); - if (N_BADMAG (anexec)) - { - bfd_set_error (bfd_error_wrong_format); - return 0; - } - - 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); + return TRUE; } @@ -143,8 +72,7 @@ os9k_object_p (abfd) fields that are not handled by common code. */ static const bfd_target * -os9k_callback (abfd) - bfd *abfd; +os9k_callback (bfd *abfd) { struct internal_exec *execp = exec_hdr (abfd); unsigned long bss_start; @@ -166,7 +94,7 @@ os9k_callback (abfd) 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; + obj_textsec (abfd)->size = execp->a_text; bss_start = execp->a_dload + execp->a_data; /* BSS = end of data section. */ obj_bsssec (abfd)->vma = align_power (bss_start, execp->a_balign); @@ -186,129 +114,39 @@ os9k_callback (abfd) 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; - bfd_size_type amt = sizeof (struct bout_data_struct); - - rawptr = (struct bout_data_struct *) bfd_zalloc (abfd, amt); - 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; +static const bfd_target * +os9k_object_p (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_bwrite ((PTR) & swapped_hdr, (bfd_size_type) EXEC_BYTES_SIZE, - abfd) != EXEC_BYTES_SIZE) - return false; + struct internal_exec anexec; + mh_com exec_bytes; - /* Now write out reloc info, followed by syms and strings. */ - if (bfd_get_symcount (abfd) != 0) + if (bfd_bread ((PTR) &exec_bytes, (bfd_size_type) MHCOM_BYTES_SIZE, abfd) + != MHCOM_BYTES_SIZE) { - 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; + if (bfd_get_error () != bfd_error_system_call) + bfd_set_error (bfd_error_wrong_format); + return 0; } - 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; + anexec.a_info = H_GET_16 (abfd, exec_bytes.m_sync); + if (N_BADMAG (anexec)) + { + bfd_set_error (bfd_error_wrong_format); + return 0; } - /* 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_bwrite ((PTR) location, (bfd_size_type) count, abfd) == count; - return true; + 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); } -#endif /* 0 */ static int -os9k_sizeof_headers (ignore_abfd, ignore) - bfd *ignore_abfd ATTRIBUTE_UNUSED; - boolean ignore ATTRIBUTE_UNUSED; +os9k_sizeof_headers (bfd *abfd ATTRIBUTE_UNUSED, + struct bfd_link_info *info ATTRIBUTE_UNUSED) { return sizeof (struct internal_exec); } @@ -320,6 +158,7 @@ os9k_sizeof_headers (ignore_abfd, ignore) #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_bfd_reloc_name_lookup _bfd_norelocs_bfd_reloc_name_lookup #define aout_32_get_section_contents_in_window \ _bfd_generic_get_section_contents_in_window @@ -329,7 +168,10 @@ os9k_sizeof_headers (ignore_abfd, ignore) #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