/* Mach-O support for BFD.
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/* Mach-O support for BFD.
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Copyright 1999, 2000, 2001, 2002, 2003, 2004, 2005, 2006, 2007, 2008
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Copyright 1999, 2000, 2001, 2002, 2003, 2004, 2005, 2006, 2007, 2008, 2009
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Free Software Foundation, Inc.
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Free Software Foundation, Inc.
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This file is part of BFD, the Binary File Descriptor library.
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This file is part of BFD, the Binary File Descriptor library.
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This program is free software; you can redistribute it and/or modify
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This program is free software; you can redistribute it and/or modify
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it under the terms of the GNU General Public License as published by
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it under the terms of the GNU General Public License as published by
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the Free Software Foundation; either version 3 of the License, or
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the Free Software Foundation; either version 3 of the License, or
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(at your option) any later version.
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(at your option) any later version.
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This program is distributed in the hope that it will be useful,
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This program is distributed in the hope that it will be useful,
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but WITHOUT ANY WARRANTY; without even the implied warranty of
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but WITHOUT ANY WARRANTY; without even the implied warranty of
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MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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GNU General Public License for more details.
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GNU General Public License for more details.
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You should have received a copy of the GNU General Public License
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You should have received a copy of the GNU General Public License
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along with this program; if not, write to the Free Software
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along with this program; if not, write to the Free Software
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Foundation, Inc., 51 Franklin Street - Fifth Floor, Boston,
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Foundation, Inc., 51 Franklin Street - Fifth Floor, Boston,
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MA 02110-1301, USA. */
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MA 02110-1301, USA. */
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#include "sysdep.h"
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#include "sysdep.h"
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#include "mach-o.h"
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#include "mach-o.h"
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#include "bfd.h"
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#include "bfd.h"
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#include "libbfd.h"
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#include "libbfd.h"
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#include "libiberty.h"
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#include "libiberty.h"
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#include "aout/stab_gnu.h"
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#include <ctype.h>
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#include <ctype.h>
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#ifndef BFD_IO_FUNCS
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#define bfd_mach_o_object_p bfd_mach_o_gen_object_p
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#define BFD_IO_FUNCS 0
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#define bfd_mach_o_core_p bfd_mach_o_gen_core_p
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#endif
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#define bfd_mach_o_mkobject bfd_false
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#define bfd_mach_o_mkarchive _bfd_noarchive_mkarchive
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#define FILE_ALIGN(off, algn) \
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#define bfd_mach_o_read_ar_hdr _bfd_noarchive_read_ar_hdr
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(((off) + ((file_ptr) 1 << (algn)) - 1) & ((file_ptr) -1 << (algn)))
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#define bfd_mach_o_slurp_armap _bfd_noarchive_slurp_armap
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#define bfd_mach_o_slurp_extended_name_table _bfd_noarchive_slurp_extended_name_table
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static int bfd_mach_o_scan_read_symtab_symbols (bfd *);
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#define bfd_mach_o_construct_extended_name_table _bfd_noarchive_construct_extended_name_table
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#define bfd_mach_o_truncate_arname _bfd_noarchive_truncate_arname
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unsigned int
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#define bfd_mach_o_write_armap _bfd_noarchive_write_armap
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bfd_mach_o_version (bfd *abfd)
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#define bfd_mach_o_get_elt_at_index _bfd_noarchive_get_elt_at_index
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{
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#define bfd_mach_o_generic_stat_arch_elt _bfd_noarchive_generic_stat_arch_elt
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bfd_mach_o_data_struct *mdata = NULL;
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#define bfd_mach_o_update_armap_timestamp _bfd_noarchive_update_armap_timestamp
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#define bfd_mach_o_close_and_cleanup _bfd_generic_close_and_cleanup
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BFD_ASSERT (bfd_mach_o_valid (abfd));
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#define bfd_mach_o_bfd_free_cached_info _bfd_generic_bfd_free_cached_info
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mdata = bfd_mach_o_get_data (abfd);
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#define bfd_mach_o_new_section_hook _bfd_generic_new_section_hook
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#define bfd_mach_o_get_section_contents_in_window _bfd_generic_get_section_contents_in_window
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return mdata->header.version;
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#define bfd_mach_o_bfd_is_local_label_name _bfd_nosymbols_bfd_is_local_label_name
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}
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#define bfd_mach_o_bfd_is_target_special_symbol ((bfd_boolean (*) (bfd *, asymbol *)) bfd_false)
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#define bfd_mach_o_bfd_is_local_label_name _bfd_nosymbols_bfd_is_local_label_name
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#define bfd_mach_o_get_lineno _bfd_nosymbols_get_lineno
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#define bfd_mach_o_find_nearest_line _bfd_nosymbols_find_nearest_line
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#define bfd_mach_o_find_inliner_info _bfd_nosymbols_find_inliner_info
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#define bfd_mach_o_bfd_make_debug_symbol _bfd_nosymbols_bfd_make_debug_symbol
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#define bfd_mach_o_read_minisymbols _bfd_generic_read_minisymbols
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#define bfd_mach_o_minisymbol_to_symbol _bfd_generic_minisymbol_to_symbol
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#define bfd_mach_o_bfd_get_relocated_section_contents bfd_generic_get_relocated_section_contents
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#define bfd_mach_o_bfd_relax_section bfd_generic_relax_section
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#define bfd_mach_o_bfd_link_hash_table_create _bfd_generic_link_hash_table_create
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#define bfd_mach_o_bfd_link_hash_table_free _bfd_generic_link_hash_table_free
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#define bfd_mach_o_bfd_link_add_symbols _bfd_generic_link_add_symbols
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#define bfd_mach_o_bfd_link_just_syms _bfd_generic_link_just_syms
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#define bfd_mach_o_bfd_final_link _bfd_generic_final_link
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#define bfd_mach_o_bfd_link_split_section _bfd_generic_link_split_section
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#define bfd_mach_o_set_arch_mach bfd_default_set_arch_mach
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#define bfd_mach_o_bfd_merge_private_bfd_data _bfd_generic_bfd_merge_private_bfd_data
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#define bfd_mach_o_bfd_set_private_flags _bfd_generic_bfd_set_private_flags
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#define bfd_mach_o_bfd_print_private_bfd_data _bfd_generic_bfd_print_private_bfd_data
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#define bfd_mach_o_get_section_contents _bfd_generic_get_section_contents
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#define bfd_mach_o_set_section_contents _bfd_generic_set_section_contents
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#define bfd_mach_o_bfd_gc_sections bfd_generic_gc_sections
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#define bfd_mach_o_bfd_merge_sections bfd_generic_merge_sections
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#define bfd_mach_o_bfd_is_group_section bfd_generic_is_group_section
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#define bfd_mach_o_bfd_discard_group bfd_generic_discard_group
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#define bfd_mach_o_section_already_linked _bfd_generic_section_already_linked
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#define bfd_mach_o_bfd_copy_private_header_data _bfd_generic_bfd_copy_private_header_data
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#define bfd_mach_o_core_file_matches_executable_p generic_core_file_matches_executable_p
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/* The flags field of a section structure is separated into two parts a section
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type and section attributes. The section types are mutually exclusive (it
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can only have one type) but the section attributes are not (it may have more
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than one attribute). */
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#define SECTION_TYPE 0x000000ff /* 256 section types. */
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#define SECTION_ATTRIBUTES 0xffffff00 /* 24 section attributes. */
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/* Constants for the section attributes part of the flags field of a section
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structure. */
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#define SECTION_ATTRIBUTES_USR 0xff000000 /* User-settable attributes. */
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#define S_ATTR_PURE_INSTRUCTIONS 0x80000000 /* Section contains only true machine instructions. */
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#define SECTION_ATTRIBUTES_SYS 0x00ffff00 /* System setable attributes. */
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#define S_ATTR_SOME_INSTRUCTIONS 0x00000400 /* Section contains some machine instructions. */
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#define S_ATTR_EXT_RELOC 0x00000200 /* Section has external relocation entries. */
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#define S_ATTR_LOC_RELOC 0x00000100 /* Section has local relocation entries. */
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#define N_STAB 0xe0
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#define N_TYPE 0x1e
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#define N_EXT 0x01
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#define N_UNDF 0x0
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#define N_ABS 0x2
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#define N_SECT 0xe
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#define N_INDR 0xa
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bfd_boolean
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bfd_boolean
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bfd_mach_o_valid (bfd *abfd)
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bfd_mach_o_valid (bfd *abfd)
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{
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{
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if (abfd == NULL || abfd->xvec == NULL)
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if (abfd == NULL || abfd->xvec == NULL)
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return 0;
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return FALSE;
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if (! ((abfd->xvec == &mach_o_be_vec)
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if (abfd->xvec->flavour != bfd_target_mach_o_flavour)
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|| (abfd->xvec == &mach_o_le_vec)
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return FALSE;
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|| (abfd->xvec == &mach_o_fat_vec)))
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return 0;
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if (abfd->tdata.mach_o_data == NULL)
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if (bfd_mach_o_get_data (abfd) == NULL)
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return 0;
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return FALSE;
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return 1;
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return TRUE;
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}
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static INLINE bfd_boolean
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mach_o_wide_p (bfd_mach_o_header *header)
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{
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switch (header->version)
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{
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case 1:
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return FALSE;
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case 2:
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return TRUE;
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default:
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BFD_FAIL ();
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return FALSE;
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}
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}
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static INLINE bfd_boolean
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bfd_mach_o_wide_p (bfd *abfd)
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{
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return mach_o_wide_p (&bfd_mach_o_get_data (abfd)->header);
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}
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/* Tables to translate well known Mach-O segment/section names to bfd
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names. Use of canonical names (such as .text or .debug_frame) is required
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by gdb. */
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struct mach_o_section_name_xlat
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{
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const char *bfd_name;
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const char *mach_o_name;
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};
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static const struct mach_o_section_name_xlat dwarf_section_names_xlat[] =
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{
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{ ".debug_frame", "__debug_frame" },
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{ ".debug_info", "__debug_info" },
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{ ".debug_abbrev", "__debug_abbrev" },
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{ ".debug_aranges", "__debug_aranges" },
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{ ".debug_macinfo", "__debug_macinfo" },
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{ ".debug_line", "__debug_line" },
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{ ".debug_loc", "__debug_loc" },
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{ ".debug_pubnames", "__debug_pubnames" },
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{ ".debug_pubtypes", "__debug_pubtypes" },
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{ ".debug_str", "__debug_str" },
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{ ".debug_ranges", "__debug_ranges" },
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{ NULL, NULL}
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};
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static const struct mach_o_section_name_xlat text_section_names_xlat[] =
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{
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{ ".text", "__text" },
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{ ".const", "__const" },
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{ ".cstring", "__cstring" },
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{ ".eh_frame", "__eh_frame" },
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{ NULL, NULL}
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};
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static const struct mach_o_section_name_xlat data_section_names_xlat[] =
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{
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{ ".data", "__data" },
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{ ".bss", "__bss" },
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{ NULL, NULL}
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};
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struct mach_o_segment_name_xlat
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{
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const char *segname;
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const struct mach_o_section_name_xlat *sections;
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};
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static const struct mach_o_segment_name_xlat segsec_names_xlat[] =
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{
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{ "__DWARF", dwarf_section_names_xlat },
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{ "__TEXT", text_section_names_xlat },
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{ "__DATA", data_section_names_xlat },
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{ NULL, NULL }
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};
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/* Mach-O to bfd names. */
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static char *
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bfd_mach_o_convert_section_name_to_bfd (bfd *abfd, bfd_mach_o_section *section)
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{
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const struct mach_o_segment_name_xlat *seg;
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char *res;
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unsigned int len;
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const char *pfx = "";
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for (seg = segsec_names_xlat; seg->segname; seg++)
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{
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if (strcmp (seg->segname, section->segname) == 0)
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{
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const struct mach_o_section_name_xlat *sec;
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for (sec = seg->sections; sec->mach_o_name; sec++)
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{
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if (strcmp (sec->mach_o_name, section->sectname) == 0)
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{
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len = strlen (sec->bfd_name);
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res = bfd_alloc (abfd, len + 1);
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if (res == NULL)
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return NULL;
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strcpy (res, sec->bfd_name);
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return res;
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}
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}
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}
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}
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len = strlen (section->segname) + 1
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+ strlen (section->sectname) + 1;
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/* Put "LC_SEGMENT." prefix if the segment name is weird (ie doesn't start
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with an underscore. */
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if (section->segname[0] != '_')
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{
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static const char seg_pfx[] = "LC_SEGMENT.";
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pfx = seg_pfx;
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len += sizeof (seg_pfx) - 1;
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}
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res = bfd_alloc (abfd, len);
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if (res == NULL)
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return NULL;
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snprintf (res, len, "%s%s.%s", pfx, section->segname, section->sectname);
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return res;
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}
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/* Convert a bfd section name to a Mach-O segment + section name. */
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static void
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bfd_mach_o_convert_section_name_to_mach_o (bfd *abfd ATTRIBUTE_UNUSED,
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asection *sect,
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bfd_mach_o_section *section)
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{
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const struct mach_o_segment_name_xlat *seg;
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const char *name = bfd_get_section_name (abfd, sect);
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const char *dot;
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unsigned int len;
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unsigned int seglen;
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unsigned int seclen;
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/* List of well known names. They all start with a dot. */
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if (name[0] == '.')
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for (seg = segsec_names_xlat; seg->segname; seg++)
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{
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const struct mach_o_section_name_xlat *sec;
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for (sec = seg->sections; sec->mach_o_name; sec++)
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{
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if (strcmp (sec->bfd_name, name) == 0)
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{
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strcpy (section->segname, seg->segname);
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strcpy (section->sectname, sec->mach_o_name);
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return;
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}
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}
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}
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/* Strip LC_SEGMENT. prefix. */
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if (strncmp (name, "LC_SEGMENT.", 11) == 0)
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name += 11;
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/* Find a dot. */
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dot = strchr (name, '.');
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len = strlen (name);
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/* Try to split name into segment and section names. */
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if (dot && dot != name)
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{
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seglen = dot - name;
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seclen = len - (dot + 1 - name);
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if (seglen < 16 && seclen < 16)
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{
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memcpy (section->segname, name, seglen);
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section->segname[seglen] = 0;
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memcpy (section->sectname, dot + 1, seclen);
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section->sectname[seclen] = 0;
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return;
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}
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}
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if (len > 16)
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len = 16;
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memcpy (section->segname, name, len);
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section->segname[len] = 0;
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memcpy (section->sectname, name, len);
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section->sectname[len] = 0;
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}
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}
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/* Copy any private info we understand from the input symbol
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/* Copy any private info we understand from the input symbol
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to the output symbol. */
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to the output symbol. */
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static bfd_boolean
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bfd_boolean
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bfd_mach_o_bfd_copy_private_symbol_data (bfd *ibfd ATTRIBUTE_UNUSED,
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bfd_mach_o_bfd_copy_private_symbol_data (bfd *ibfd ATTRIBUTE_UNUSED,
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asymbol *isymbol ATTRIBUTE_UNUSED,
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asymbol *isymbol ATTRIBUTE_UNUSED,
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bfd *obfd ATTRIBUTE_UNUSED,
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bfd *obfd ATTRIBUTE_UNUSED,
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asymbol *osymbol ATTRIBUTE_UNUSED)
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asymbol *osymbol ATTRIBUTE_UNUSED)
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{
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{
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return TRUE;
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return TRUE;
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}
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}
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/* Copy any private info we understand from the input section
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/* Copy any private info we understand from the input section
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to the output section. */
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to the output section. */
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static bfd_boolean
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bfd_boolean
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bfd_mach_o_bfd_copy_private_section_data (bfd *ibfd ATTRIBUTE_UNUSED,
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bfd_mach_o_bfd_copy_private_section_data (bfd *ibfd ATTRIBUTE_UNUSED,
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asection *isection ATTRIBUTE_UNUSED,
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asection *isection ATTRIBUTE_UNUSED,
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bfd *obfd ATTRIBUTE_UNUSED,
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bfd *obfd ATTRIBUTE_UNUSED,
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asection *osection ATTRIBUTE_UNUSED)
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asection *osection ATTRIBUTE_UNUSED)
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{
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{
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return TRUE;
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return TRUE;
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}
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}
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/* Copy any private info we understand from the input bfd
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/* Copy any private info we understand from the input bfd
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to the output bfd. */
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to the output bfd. */
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static bfd_boolean
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bfd_boolean
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bfd_mach_o_bfd_copy_private_bfd_data (bfd *ibfd, bfd *obfd)
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bfd_mach_o_bfd_copy_private_bfd_data (bfd *ibfd, bfd *obfd)
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{
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{
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if (bfd_get_flavour (ibfd) != bfd_target_mach_o_flavour
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|| bfd_get_flavour (obfd) != bfd_target_mach_o_flavour)
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return TRUE;
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BFD_ASSERT (bfd_mach_o_valid (ibfd));
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BFD_ASSERT (bfd_mach_o_valid (ibfd));
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BFD_ASSERT (bfd_mach_o_valid (obfd));
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BFD_ASSERT (bfd_mach_o_valid (obfd));
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obfd->tdata.mach_o_data = ibfd->tdata.mach_o_data;
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/* FIXME: copy commands. */
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obfd->tdata.mach_o_data->ibfd = ibfd;
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return TRUE;
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return TRUE;
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}
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}
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/* Count the total number of symbols. */
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static long
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static long
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bfd_mach_o_count_symbols (bfd *abfd)
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bfd_mach_o_count_symbols (bfd *abfd)
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{
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{
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bfd_mach_o_data_struct *mdata = NULL;
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bfd_mach_o_data_struct *mdata = bfd_mach_o_get_data (abfd);
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long nsyms = 0;
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unsigned long i;
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|
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BFD_ASSERT (bfd_mach_o_valid (abfd));
|
if (mdata->symtab == NULL)
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mdata = abfd->tdata.mach_o_data;
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return 0;
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return mdata->symtab->nsyms;
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for (i = 0; i < mdata->header.ncmds; i++)
|
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if (mdata->commands[i].type == BFD_MACH_O_LC_SYMTAB)
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{
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bfd_mach_o_symtab_command *sym = &mdata->commands[i].command.symtab;
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nsyms += sym->nsyms;
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}
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return nsyms;
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}
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}
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static long
|
long
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bfd_mach_o_get_symtab_upper_bound (bfd *abfd)
|
bfd_mach_o_get_symtab_upper_bound (bfd *abfd)
|
{
|
{
|
long nsyms = bfd_mach_o_count_symbols (abfd);
|
long nsyms = bfd_mach_o_count_symbols (abfd);
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|
|
if (nsyms < 0)
|
|
return nsyms;
|
|
|
|
return ((nsyms + 1) * sizeof (asymbol *));
|
return ((nsyms + 1) * sizeof (asymbol *));
|
}
|
}
|
|
|
static long
|
long
|
bfd_mach_o_canonicalize_symtab (bfd *abfd, asymbol **alocation)
|
bfd_mach_o_canonicalize_symtab (bfd *abfd, asymbol **alocation)
|
{
|
{
|
bfd_mach_o_data_struct *mdata = abfd->tdata.mach_o_data;
|
bfd_mach_o_data_struct *mdata = bfd_mach_o_get_data (abfd);
|
long nsyms = bfd_mach_o_count_symbols (abfd);
|
long nsyms = bfd_mach_o_count_symbols (abfd);
|
asymbol **csym = alocation;
|
bfd_mach_o_symtab_command *sym = mdata->symtab;
|
unsigned long i, j;
|
unsigned long j;
|
|
|
if (nsyms < 0)
|
if (nsyms < 0)
|
return nsyms;
|
return nsyms;
|
|
|
for (i = 0; i < mdata->header.ncmds; i++)
|
if (bfd_mach_o_scan_read_symtab_symbols (abfd) != 0)
|
{
|
{
|
if (mdata->commands[i].type == BFD_MACH_O_LC_SYMTAB)
|
fprintf (stderr,
|
{
|
"bfd_mach_o_canonicalize_symtab: unable to load symbols\n");
|
bfd_mach_o_symtab_command *sym = &mdata->commands[i].command.symtab;
|
|
|
|
if (bfd_mach_o_scan_read_symtab_symbols (abfd, &mdata->commands[i].command.symtab) != 0)
|
|
{
|
|
fprintf (stderr, "bfd_mach_o_canonicalize_symtab: unable to load symbols for section %lu\n", i);
|
|
return 0;
|
return 0;
|
}
|
}
|
|
|
BFD_ASSERT (sym->symbols != NULL);
|
BFD_ASSERT (sym->symbols != NULL);
|
|
|
for (j = 0; j < sym->nsyms; j++)
|
for (j = 0; j < sym->nsyms; j++)
|
{
|
alocation[j] = &sym->symbols[j].symbol;
|
BFD_ASSERT (csym < (alocation + nsyms));
|
|
*csym++ = &sym->symbols[j];
|
|
}
|
|
}
|
|
}
|
|
|
|
*csym++ = NULL;
|
alocation[j] = NULL;
|
|
|
return nsyms;
|
return nsyms;
|
}
|
}
|
|
|
static void
|
void
|
bfd_mach_o_get_symbol_info (bfd *abfd ATTRIBUTE_UNUSED,
|
bfd_mach_o_get_symbol_info (bfd *abfd ATTRIBUTE_UNUSED,
|
asymbol *symbol,
|
asymbol *symbol,
|
symbol_info *ret)
|
symbol_info *ret)
|
{
|
{
|
bfd_symbol_info (symbol, ret);
|
bfd_symbol_info (symbol, ret);
|
}
|
}
|
|
|
static void
|
void
|
bfd_mach_o_print_symbol (bfd *abfd,
|
bfd_mach_o_print_symbol (bfd *abfd,
|
PTR afile,
|
PTR afile,
|
asymbol *symbol,
|
asymbol *symbol,
|
bfd_print_symbol_type how)
|
bfd_print_symbol_type how)
|
{
|
{
|
FILE *file = (FILE *) afile;
|
FILE *file = (FILE *) afile;
|
|
const char *name;
|
|
bfd_mach_o_asymbol *asym = (bfd_mach_o_asymbol *)symbol;
|
|
|
switch (how)
|
switch (how)
|
{
|
{
|
case bfd_print_symbol_name:
|
case bfd_print_symbol_name:
|
fprintf (file, "%s", symbol->name);
|
fprintf (file, "%s", symbol->name);
|
break;
|
break;
|
default:
|
default:
|
bfd_print_symbol_vandf (abfd, (PTR) file, symbol);
|
bfd_print_symbol_vandf (abfd, (PTR) file, symbol);
|
fprintf (file, " %-5s %s", symbol->section->name, symbol->name);
|
if (asym->n_type & BFD_MACH_O_N_STAB)
|
|
name = bfd_get_stab_name (asym->n_type);
|
|
else
|
|
switch (asym->n_type & BFD_MACH_O_N_TYPE)
|
|
{
|
|
case BFD_MACH_O_N_UNDF:
|
|
name = "UND";
|
|
break;
|
|
case BFD_MACH_O_N_ABS:
|
|
name = "ABS";
|
|
break;
|
|
case BFD_MACH_O_N_INDR:
|
|
name = "INDR";
|
|
break;
|
|
case BFD_MACH_O_N_PBUD:
|
|
name = "PBUD";
|
|
break;
|
|
case BFD_MACH_O_N_SECT:
|
|
name = "SECT";
|
|
break;
|
|
default:
|
|
name = "???";
|
|
break;
|
|
}
|
|
if (name == NULL)
|
|
name = "";
|
|
fprintf (file, " %02x %-6s %02x %04x",
|
|
asym->n_type, name, asym->n_sect, asym->n_desc);
|
|
if ((asym->n_type & BFD_MACH_O_N_STAB) == 0
|
|
&& (asym->n_type & BFD_MACH_O_N_TYPE) == BFD_MACH_O_N_SECT)
|
|
fprintf (file, " %-5s", symbol->section->name);
|
|
fprintf (file, " %s", symbol->name);
|
}
|
}
|
}
|
}
|
|
|
static void
|
static void
|
bfd_mach_o_convert_architecture (bfd_mach_o_cpu_type mtype,
|
bfd_mach_o_convert_architecture (bfd_mach_o_cpu_type mtype,
|
bfd_mach_o_cpu_subtype msubtype ATTRIBUTE_UNUSED,
|
bfd_mach_o_cpu_subtype msubtype ATTRIBUTE_UNUSED,
|
enum bfd_architecture *type,
|
enum bfd_architecture *type,
|
unsigned long *subtype)
|
unsigned long *subtype)
|
{
|
{
|
*subtype = bfd_arch_unknown;
|
*subtype = bfd_arch_unknown;
|
|
|
switch (mtype)
|
switch (mtype)
|
{
|
{
|
case BFD_MACH_O_CPU_TYPE_VAX: *type = bfd_arch_vax; break;
|
case BFD_MACH_O_CPU_TYPE_VAX: *type = bfd_arch_vax; break;
|
case BFD_MACH_O_CPU_TYPE_MC680x0: *type = bfd_arch_m68k; break;
|
case BFD_MACH_O_CPU_TYPE_MC680x0: *type = bfd_arch_m68k; break;
|
case BFD_MACH_O_CPU_TYPE_I386: *type = bfd_arch_i386; break;
|
case BFD_MACH_O_CPU_TYPE_I386:
|
|
*type = bfd_arch_i386;
|
|
*subtype = bfd_mach_i386_i386;
|
|
break;
|
|
case BFD_MACH_O_CPU_TYPE_X86_64:
|
|
*type = bfd_arch_i386;
|
|
*subtype = bfd_mach_x86_64;
|
|
break;
|
case BFD_MACH_O_CPU_TYPE_MIPS: *type = bfd_arch_mips; break;
|
case BFD_MACH_O_CPU_TYPE_MIPS: *type = bfd_arch_mips; break;
|
case BFD_MACH_O_CPU_TYPE_MC98000: *type = bfd_arch_m98k; break;
|
case BFD_MACH_O_CPU_TYPE_MC98000: *type = bfd_arch_m98k; break;
|
case BFD_MACH_O_CPU_TYPE_HPPA: *type = bfd_arch_hppa; break;
|
case BFD_MACH_O_CPU_TYPE_HPPA: *type = bfd_arch_hppa; break;
|
case BFD_MACH_O_CPU_TYPE_ARM: *type = bfd_arch_arm; break;
|
case BFD_MACH_O_CPU_TYPE_ARM: *type = bfd_arch_arm; break;
|
case BFD_MACH_O_CPU_TYPE_MC88000: *type = bfd_arch_m88k; break;
|
case BFD_MACH_O_CPU_TYPE_MC88000: *type = bfd_arch_m88k; break;
|
case BFD_MACH_O_CPU_TYPE_SPARC: *type = bfd_arch_sparc; break;
|
case BFD_MACH_O_CPU_TYPE_SPARC:
|
|
*type = bfd_arch_sparc;
|
|
*subtype = bfd_mach_sparc;
|
|
break;
|
case BFD_MACH_O_CPU_TYPE_I860: *type = bfd_arch_i860; break;
|
case BFD_MACH_O_CPU_TYPE_I860: *type = bfd_arch_i860; break;
|
case BFD_MACH_O_CPU_TYPE_ALPHA: *type = bfd_arch_alpha; break;
|
case BFD_MACH_O_CPU_TYPE_ALPHA: *type = bfd_arch_alpha; break;
|
case BFD_MACH_O_CPU_TYPE_POWERPC: *type = bfd_arch_powerpc; break;
|
case BFD_MACH_O_CPU_TYPE_POWERPC:
|
default: *type = bfd_arch_unknown; break;
|
*type = bfd_arch_powerpc;
|
}
|
*subtype = bfd_mach_ppc;
|
|
break;
|
switch (*type)
|
case BFD_MACH_O_CPU_TYPE_POWERPC_64:
|
{
|
*type = bfd_arch_powerpc;
|
case bfd_arch_i386: *subtype = bfd_mach_i386_i386; break;
|
*subtype = bfd_mach_ppc64;
|
case bfd_arch_sparc: *subtype = bfd_mach_sparc; break;
|
break;
|
default:
|
default:
|
*subtype = bfd_arch_unknown;
|
*type = bfd_arch_unknown;
|
|
break;
|
}
|
}
|
}
|
}
|
|
|
static int
|
static bfd_boolean
|
bfd_mach_o_write_header (bfd *abfd, bfd_mach_o_header *header)
|
bfd_mach_o_write_header (bfd *abfd, bfd_mach_o_header *header)
|
{
|
{
|
unsigned char buf[28];
|
unsigned char buf[32];
|
|
unsigned int size;
|
|
|
|
size = mach_o_wide_p (header) ?
|
|
BFD_MACH_O_HEADER_64_SIZE : BFD_MACH_O_HEADER_SIZE;
|
|
|
bfd_h_put_32 (abfd, header->magic, buf + 0);
|
bfd_h_put_32 (abfd, header->magic, buf + 0);
|
bfd_h_put_32 (abfd, header->cputype, buf + 4);
|
bfd_h_put_32 (abfd, header->cputype, buf + 4);
|
bfd_h_put_32 (abfd, header->cpusubtype, buf + 8);
|
bfd_h_put_32 (abfd, header->cpusubtype, buf + 8);
|
bfd_h_put_32 (abfd, header->filetype, buf + 12);
|
bfd_h_put_32 (abfd, header->filetype, buf + 12);
|
bfd_h_put_32 (abfd, header->ncmds, buf + 16);
|
bfd_h_put_32 (abfd, header->ncmds, buf + 16);
|
bfd_h_put_32 (abfd, header->sizeofcmds, buf + 20);
|
bfd_h_put_32 (abfd, header->sizeofcmds, buf + 20);
|
bfd_h_put_32 (abfd, header->flags, buf + 24);
|
bfd_h_put_32 (abfd, header->flags, buf + 24);
|
|
|
bfd_seek (abfd, 0, SEEK_SET);
|
if (mach_o_wide_p (header))
|
if (bfd_bwrite ((PTR) buf, 28, abfd) != 28)
|
bfd_h_put_32 (abfd, header->reserved, buf + 28);
|
return -1;
|
|
|
|
return 0;
|
if (bfd_seek (abfd, 0, SEEK_SET) != 0
|
|
|| bfd_bwrite ((PTR) buf, size, abfd) != size)
|
|
return FALSE;
|
|
|
|
return TRUE;
|
}
|
}
|
|
|
static int
|
static int
|
bfd_mach_o_scan_write_thread (bfd *abfd,
|
bfd_mach_o_scan_write_thread (bfd *abfd, bfd_mach_o_load_command *command)
|
bfd_mach_o_load_command *command)
|
|
{
|
{
|
bfd_mach_o_thread_command *cmd = &command->command.thread;
|
bfd_mach_o_thread_command *cmd = &command->command.thread;
|
unsigned int i;
|
unsigned int i;
|
unsigned char buf[8];
|
unsigned char buf[8];
|
bfd_vma offset;
|
unsigned int offset;
|
unsigned int nflavours;
|
unsigned int nflavours;
|
|
|
BFD_ASSERT ((command->type == BFD_MACH_O_LC_THREAD)
|
BFD_ASSERT ((command->type == BFD_MACH_O_LC_THREAD)
|
|| (command->type == BFD_MACH_O_LC_UNIXTHREAD));
|
|| (command->type == BFD_MACH_O_LC_UNIXTHREAD));
|
|
|
offset = 8;
|
offset = 8;
|
nflavours = 0;
|
nflavours = 0;
|
for (i = 0; i < cmd->nflavours; i++)
|
for (i = 0; i < cmd->nflavours; i++)
|
{
|
{
|
BFD_ASSERT ((cmd->flavours[i].size % 4) == 0);
|
BFD_ASSERT ((cmd->flavours[i].size % 4) == 0);
|
BFD_ASSERT (cmd->flavours[i].offset == (command->offset + offset + 8));
|
BFD_ASSERT (cmd->flavours[i].offset == (command->offset + offset + 8));
|
|
|
bfd_h_put_32 (abfd, cmd->flavours[i].flavour, buf);
|
bfd_h_put_32 (abfd, cmd->flavours[i].flavour, buf);
|
bfd_h_put_32 (abfd, (cmd->flavours[i].size / 4), buf + 4);
|
bfd_h_put_32 (abfd, (cmd->flavours[i].size / 4), buf + 4);
|
|
|
bfd_seek (abfd, command->offset + offset, SEEK_SET);
|
if (bfd_seek (abfd, command->offset + offset, SEEK_SET) != 0
|
if (bfd_bwrite ((PTR) buf, 8, abfd) != 8)
|
|| bfd_bwrite ((PTR) buf, 8, abfd) != 8)
|
return -1;
|
return -1;
|
|
|
|
offset += cmd->flavours[i].size + 8;
|
|
}
|
|
|
|
return 0;
|
|
}
|
|
|
|
long
|
|
bfd_mach_o_get_reloc_upper_bound (bfd *abfd ATTRIBUTE_UNUSED,
|
|
asection *asect)
|
|
{
|
|
return (asect->reloc_count + 1) * sizeof (arelent *);
|
|
}
|
|
|
|
static int
|
|
bfd_mach_o_canonicalize_one_reloc (bfd *abfd, char *buf,
|
|
arelent *res, asymbol **syms)
|
|
{
|
|
bfd_mach_o_data_struct *mdata = bfd_mach_o_get_data (abfd);
|
|
bfd_mach_o_backend_data *bed = bfd_mach_o_get_backend_data (abfd);
|
|
bfd_mach_o_reloc_info reloc;
|
|
bfd_vma addr;
|
|
bfd_vma symnum;
|
|
asymbol **sym;
|
|
|
|
addr = bfd_get_32 (abfd, buf + 0);
|
|
symnum = bfd_get_32 (abfd, buf + 4);
|
|
|
|
if (addr & BFD_MACH_O_SR_SCATTERED)
|
|
{
|
|
unsigned int j;
|
|
|
|
/* Scattered relocation.
|
|
Extract section and offset from r_value. */
|
|
res->sym_ptr_ptr = NULL;
|
|
res->addend = 0;
|
|
for (j = 0; j < mdata->nsects; j++)
|
|
{
|
|
bfd_mach_o_section *sect = mdata->sections[j];
|
|
if (symnum >= sect->addr && symnum < sect->addr + sect->size)
|
|
{
|
|
res->sym_ptr_ptr = sect->bfdsection->symbol_ptr_ptr;
|
|
res->addend = symnum - sect->addr;
|
|
break;
|
|
}
|
|
}
|
|
res->address = BFD_MACH_O_GET_SR_ADDRESS (addr);
|
|
reloc.r_type = BFD_MACH_O_GET_SR_TYPE (addr);
|
|
reloc.r_length = BFD_MACH_O_GET_SR_LENGTH (addr);
|
|
reloc.r_pcrel = addr & BFD_MACH_O_SR_PCREL;
|
|
reloc.r_scattered = 1;
|
|
}
|
|
else
|
|
{
|
|
unsigned int num = BFD_MACH_O_GET_R_SYMBOLNUM (symnum);
|
|
res->addend = 0;
|
|
res->address = addr;
|
|
if (symnum & BFD_MACH_O_R_EXTERN)
|
|
sym = syms + num;
|
|
else
|
|
{
|
|
BFD_ASSERT (num != 0);
|
|
BFD_ASSERT (num <= mdata->nsects);
|
|
sym = mdata->sections[num - 1]->bfdsection->symbol_ptr_ptr;
|
|
}
|
|
res->sym_ptr_ptr = sym;
|
|
reloc.r_type = BFD_MACH_O_GET_R_TYPE (symnum);
|
|
reloc.r_length = BFD_MACH_O_GET_R_LENGTH (symnum);
|
|
reloc.r_pcrel = (symnum & BFD_MACH_O_R_PCREL) ? 1 : 0;
|
|
reloc.r_scattered = 0;
|
|
}
|
|
|
|
if (!(*bed->_bfd_mach_o_swap_reloc_in)(res, &reloc))
|
|
return -1;
|
|
return 0;
|
|
}
|
|
|
|
static int
|
|
bfd_mach_o_canonicalize_relocs (bfd *abfd, unsigned long filepos,
|
|
unsigned long count,
|
|
arelent *res, asymbol **syms)
|
|
{
|
|
unsigned long i;
|
|
char *native_relocs;
|
|
bfd_size_type native_size;
|
|
|
|
/* Allocate and read relocs. */
|
|
native_size = count * BFD_MACH_O_RELENT_SIZE;
|
|
native_relocs = bfd_malloc (native_size);
|
|
if (native_relocs == NULL)
|
|
return -1;
|
|
|
|
if (bfd_seek (abfd, filepos, SEEK_SET) != 0
|
|
|| bfd_bread (native_relocs, native_size, abfd) != native_size)
|
|
goto err;
|
|
|
|
for (i = 0; i < count; i++)
|
|
{
|
|
char *buf = native_relocs + BFD_MACH_O_RELENT_SIZE * i;
|
|
|
|
if (bfd_mach_o_canonicalize_one_reloc (abfd, buf, &res[i], syms) < 0)
|
|
goto err;
|
|
}
|
|
free (native_relocs);
|
|
return i;
|
|
err:
|
|
free (native_relocs);
|
|
return -1;
|
|
}
|
|
|
|
long
|
|
bfd_mach_o_canonicalize_reloc (bfd *abfd, asection *asect,
|
|
arelent **rels, asymbol **syms)
|
|
{
|
|
bfd_mach_o_backend_data *bed = bfd_mach_o_get_backend_data (abfd);
|
|
unsigned long i;
|
|
arelent *res;
|
|
|
|
if (asect->reloc_count == 0)
|
|
return 0;
|
|
|
|
/* No need to go further if we don't know how to read relocs. */
|
|
if (bed->_bfd_mach_o_swap_reloc_in == NULL)
|
|
return 0;
|
|
|
|
res = bfd_malloc (asect->reloc_count * sizeof (arelent));
|
|
if (res == NULL)
|
|
return -1;
|
|
|
|
if (bfd_mach_o_canonicalize_relocs (abfd, asect->rel_filepos,
|
|
asect->reloc_count, res, syms) < 0)
|
|
{
|
|
free (res);
|
|
return -1;
|
|
}
|
|
|
|
for (i = 0; i < asect->reloc_count; i++)
|
|
rels[i] = &res[i];
|
|
rels[i] = NULL;
|
|
asect->relocation = res;
|
|
|
|
return i;
|
|
}
|
|
|
|
long
|
|
bfd_mach_o_get_dynamic_reloc_upper_bound (bfd *abfd)
|
|
{
|
|
bfd_mach_o_data_struct *mdata = bfd_mach_o_get_data (abfd);
|
|
|
|
if (mdata->dysymtab == NULL)
|
|
return 1;
|
|
return (mdata->dysymtab->nextrel + mdata->dysymtab->nlocrel)
|
|
* sizeof (arelent *);
|
|
}
|
|
|
|
long
|
|
bfd_mach_o_canonicalize_dynamic_reloc (bfd *abfd, arelent **rels,
|
|
struct bfd_symbol **syms)
|
|
{
|
|
bfd_mach_o_data_struct *mdata = bfd_mach_o_get_data (abfd);
|
|
bfd_mach_o_dysymtab_command *dysymtab = mdata->dysymtab;
|
|
bfd_mach_o_backend_data *bed = bfd_mach_o_get_backend_data (abfd);
|
|
unsigned long i;
|
|
arelent *res;
|
|
|
|
if (dysymtab == NULL)
|
|
return 0;
|
|
if (dysymtab->nextrel == 0 && dysymtab->nlocrel == 0)
|
|
return 0;
|
|
|
|
/* No need to go further if we don't know how to read relocs. */
|
|
if (bed->_bfd_mach_o_swap_reloc_in == NULL)
|
|
return 0;
|
|
|
|
res = bfd_malloc ((dysymtab->nextrel + dysymtab->nlocrel) * sizeof (arelent));
|
|
if (res == NULL)
|
|
return -1;
|
|
|
|
if (bfd_mach_o_canonicalize_relocs (abfd, dysymtab->extreloff,
|
|
dysymtab->nextrel, res, syms) < 0)
|
|
{
|
|
free (res);
|
|
return -1;
|
|
}
|
|
|
|
if (bfd_mach_o_canonicalize_relocs (abfd, dysymtab->locreloff,
|
|
dysymtab->nlocrel,
|
|
res + dysymtab->nextrel, syms) < 0)
|
|
{
|
|
free (res);
|
|
return -1;
|
|
}
|
|
|
|
for (i = 0; i < dysymtab->nextrel + dysymtab->nlocrel; i++)
|
|
rels[i] = &res[i];
|
|
rels[i] = NULL;
|
|
return i;
|
|
}
|
|
|
|
static bfd_boolean
|
|
bfd_mach_o_scan_write_relocs (bfd *abfd, bfd_mach_o_section *section)
|
|
{
|
|
bfd_mach_o_data_struct *mdata = bfd_mach_o_get_data (abfd);
|
|
unsigned int i;
|
|
arelent **entries;
|
|
asection *sec;
|
|
bfd_mach_o_backend_data *bed = bfd_mach_o_get_backend_data (abfd);
|
|
|
|
sec = section->bfdsection;
|
|
if (sec->reloc_count == 0)
|
|
return TRUE;
|
|
|
|
if (bed->_bfd_mach_o_swap_reloc_out == NULL)
|
|
return TRUE;
|
|
|
|
/* Allocate relocation room. */
|
|
mdata->filelen = FILE_ALIGN(mdata->filelen, 2);
|
|
section->nreloc = sec->reloc_count;
|
|
sec->rel_filepos = mdata->filelen;
|
|
section->reloff = sec->rel_filepos;
|
|
mdata->filelen += sec->reloc_count * BFD_MACH_O_RELENT_SIZE;
|
|
|
|
if (bfd_seek (abfd, section->reloff, SEEK_SET) != 0)
|
|
return FALSE;
|
|
|
|
/* Convert and write. */
|
|
entries = section->bfdsection->orelocation;
|
|
for (i = 0; i < section->nreloc; i++)
|
|
{
|
|
arelent *rel = entries[i];
|
|
char buf[8];
|
|
bfd_mach_o_reloc_info info, *pinfo = &info;
|
|
|
|
/* Convert relocation to an intermediate representation. */
|
|
if (!(*bed->_bfd_mach_o_swap_reloc_out) (rel, pinfo))
|
|
return FALSE;
|
|
|
|
/* Lower the relocation info. */
|
|
if (pinfo->r_scattered)
|
|
{
|
|
unsigned long v;
|
|
|
|
v = BFD_MACH_O_SR_SCATTERED
|
|
| (pinfo->r_pcrel ? BFD_MACH_O_SR_PCREL : 0)
|
|
| BFD_MACH_O_SET_SR_LENGTH(pinfo->r_length)
|
|
| BFD_MACH_O_SET_SR_TYPE(pinfo->r_type)
|
|
| BFD_MACH_O_SET_SR_ADDRESS(pinfo->r_address);
|
|
bfd_put_32 (abfd, v, buf);
|
|
bfd_put_32 (abfd, pinfo->r_value, buf + 4);
|
|
}
|
|
else
|
|
{
|
|
unsigned long v;
|
|
|
offset += cmd->flavours[i].size + 8;
|
bfd_put_32 (abfd, pinfo->r_address, buf);
|
|
v = BFD_MACH_O_SET_R_SYMBOLNUM (pinfo->r_value)
|
|
| (pinfo->r_pcrel ? BFD_MACH_O_R_PCREL : 0)
|
|
| BFD_MACH_O_SET_R_LENGTH (pinfo->r_length)
|
|
| (pinfo->r_extern ? BFD_MACH_O_R_EXTERN : 0)
|
|
| BFD_MACH_O_SET_R_TYPE (pinfo->r_type);
|
|
bfd_put_32 (abfd, v, buf + 4);
|
}
|
}
|
|
|
return 0;
|
if (bfd_bwrite ((PTR) buf, BFD_MACH_O_RELENT_SIZE, abfd)
|
|
!= BFD_MACH_O_RELENT_SIZE)
|
|
return FALSE;
|
|
}
|
|
return TRUE;
|
}
|
}
|
|
|
static int
|
static int
|
bfd_mach_o_scan_write_section (bfd *abfd,
|
bfd_mach_o_scan_write_section_32 (bfd *abfd, bfd_mach_o_section *section)
|
bfd_mach_o_section *section,
|
|
bfd_vma offset)
|
|
{
|
{
|
unsigned char buf[68];
|
unsigned char buf[BFD_MACH_O_SECTION_SIZE];
|
|
|
memcpy (buf, section->sectname, 16);
|
memcpy (buf, section->sectname, 16);
|
memcpy (buf + 16, section->segname, 16);
|
memcpy (buf + 16, section->segname, 16);
|
bfd_h_put_32 (abfd, section->addr, buf + 32);
|
bfd_h_put_32 (abfd, section->addr, buf + 32);
|
bfd_h_put_32 (abfd, section->size, buf + 36);
|
bfd_h_put_32 (abfd, section->size, buf + 36);
|
bfd_h_put_32 (abfd, section->offset, buf + 40);
|
bfd_h_put_32 (abfd, section->offset, buf + 40);
|
bfd_h_put_32 (abfd, section->align, buf + 44);
|
bfd_h_put_32 (abfd, section->align, buf + 44);
|
bfd_h_put_32 (abfd, section->reloff, buf + 48);
|
bfd_h_put_32 (abfd, section->reloff, buf + 48);
|
bfd_h_put_32 (abfd, section->nreloc, buf + 52);
|
bfd_h_put_32 (abfd, section->nreloc, buf + 52);
|
bfd_h_put_32 (abfd, section->flags, buf + 56);
|
bfd_h_put_32 (abfd, section->flags, buf + 56);
|
/* bfd_h_put_32 (abfd, section->reserved1, buf + 60); */
|
bfd_h_put_32 (abfd, section->reserved1, buf + 60);
|
/* bfd_h_put_32 (abfd, section->reserved2, buf + 64); */
|
bfd_h_put_32 (abfd, section->reserved2, buf + 64);
|
|
|
|
if (bfd_bwrite ((PTR) buf, BFD_MACH_O_SECTION_SIZE, abfd)
|
|
!= BFD_MACH_O_SECTION_SIZE)
|
|
return -1;
|
|
|
|
return 0;
|
|
}
|
|
|
|
static int
|
|
bfd_mach_o_scan_write_section_64 (bfd *abfd, bfd_mach_o_section *section)
|
|
{
|
|
unsigned char buf[BFD_MACH_O_SECTION_64_SIZE];
|
|
|
|
memcpy (buf, section->sectname, 16);
|
|
memcpy (buf + 16, section->segname, 16);
|
|
bfd_h_put_64 (abfd, section->addr, buf + 32);
|
|
bfd_h_put_64 (abfd, section->size, buf + 40);
|
|
bfd_h_put_32 (abfd, section->offset, buf + 48);
|
|
bfd_h_put_32 (abfd, section->align, buf + 52);
|
|
bfd_h_put_32 (abfd, section->reloff, buf + 56);
|
|
bfd_h_put_32 (abfd, section->nreloc, buf + 60);
|
|
bfd_h_put_32 (abfd, section->flags, buf + 64);
|
|
bfd_h_put_32 (abfd, section->reserved1, buf + 68);
|
|
bfd_h_put_32 (abfd, section->reserved2, buf + 72);
|
|
bfd_h_put_32 (abfd, section->reserved3, buf + 76);
|
|
|
bfd_seek (abfd, offset, SEEK_SET);
|
if (bfd_bwrite ((PTR) buf, BFD_MACH_O_SECTION_64_SIZE, abfd)
|
if (bfd_bwrite ((PTR) buf, 68, abfd) != 68)
|
!= BFD_MACH_O_SECTION_64_SIZE)
|
return -1;
|
return -1;
|
|
|
return 0;
|
return 0;
|
}
|
}
|
|
|
static int
|
static int
|
bfd_mach_o_scan_write_segment (bfd *abfd, bfd_mach_o_load_command *command)
|
bfd_mach_o_scan_write_segment_32 (bfd *abfd, bfd_mach_o_load_command *command)
|
{
|
{
|
unsigned char buf[48];
|
unsigned char buf[BFD_MACH_O_LC_SEGMENT_SIZE];
|
bfd_mach_o_segment_command *seg = &command->command.segment;
|
bfd_mach_o_segment_command *seg = &command->command.segment;
|
unsigned long i;
|
unsigned long i;
|
|
|
BFD_ASSERT (command->type == BFD_MACH_O_LC_SEGMENT);
|
BFD_ASSERT (command->type == BFD_MACH_O_LC_SEGMENT);
|
|
|
|
for (i = 0; i < seg->nsects; i++)
|
|
if (!bfd_mach_o_scan_write_relocs (abfd, &seg->sections[i]))
|
|
return -1;
|
|
|
memcpy (buf, seg->segname, 16);
|
memcpy (buf, seg->segname, 16);
|
bfd_h_put_32 (abfd, seg->vmaddr, buf + 16);
|
bfd_h_put_32 (abfd, seg->vmaddr, buf + 16);
|
bfd_h_put_32 (abfd, seg->vmsize, buf + 20);
|
bfd_h_put_32 (abfd, seg->vmsize, buf + 20);
|
bfd_h_put_32 (abfd, seg->fileoff, buf + 24);
|
bfd_h_put_32 (abfd, seg->fileoff, buf + 24);
|
bfd_h_put_32 (abfd, seg->filesize, buf + 28);
|
bfd_h_put_32 (abfd, seg->filesize, buf + 28);
|
bfd_h_put_32 (abfd, 0 /* seg->maxprot */, buf + 32);
|
bfd_h_put_32 (abfd, seg->maxprot, buf + 32);
|
bfd_h_put_32 (abfd, 0 /* seg->initprot */, buf + 36);
|
bfd_h_put_32 (abfd, seg->initprot, buf + 36);
|
bfd_h_put_32 (abfd, seg->nsects, buf + 40);
|
bfd_h_put_32 (abfd, seg->nsects, buf + 40);
|
bfd_h_put_32 (abfd, seg->flags, buf + 44);
|
bfd_h_put_32 (abfd, seg->flags, buf + 44);
|
|
|
bfd_seek (abfd, command->offset + 8, SEEK_SET);
|
if (bfd_seek (abfd, command->offset + 8, SEEK_SET) != 0
|
if (bfd_bwrite ((PTR) buf, 48, abfd) != 48)
|
|| (bfd_bwrite ((PTR) buf, BFD_MACH_O_LC_SEGMENT_SIZE - 8, abfd)
|
|
!= BFD_MACH_O_LC_SEGMENT_SIZE - 8))
|
return -1;
|
return -1;
|
|
|
{
|
for (i = 0; i < seg->nsects; i++)
|
char buf[1024];
|
if (bfd_mach_o_scan_write_section_32 (abfd, &seg->sections[i]))
|
bfd_vma nbytes = seg->filesize;
|
return -1;
|
bfd_vma curoff = seg->fileoff;
|
|
|
return 0;
|
|
}
|
|
|
while (nbytes > 0)
|
static int
|
|
bfd_mach_o_scan_write_segment_64 (bfd *abfd, bfd_mach_o_load_command *command)
|
{
|
{
|
bfd_vma thisread = nbytes;
|
unsigned char buf[BFD_MACH_O_LC_SEGMENT_64_SIZE];
|
|
bfd_mach_o_segment_command *seg = &command->command.segment;
|
|
unsigned long i;
|
|
|
if (thisread > 1024)
|
BFD_ASSERT (command->type == BFD_MACH_O_LC_SEGMENT_64);
|
thisread = 1024;
|
|
|
|
bfd_seek (abfd, curoff, SEEK_SET);
|
for (i = 0; i < seg->nsects; i++)
|
if (bfd_bread ((PTR) buf, thisread, abfd) != thisread)
|
if (!bfd_mach_o_scan_write_relocs (abfd, &seg->sections[i]))
|
return -1;
|
return -1;
|
|
|
bfd_seek (abfd, curoff, SEEK_SET);
|
memcpy (buf, seg->segname, 16);
|
if (bfd_bwrite ((PTR) buf, thisread, abfd) != thisread)
|
bfd_h_put_64 (abfd, seg->vmaddr, buf + 16);
|
|
bfd_h_put_64 (abfd, seg->vmsize, buf + 24);
|
|
bfd_h_put_64 (abfd, seg->fileoff, buf + 32);
|
|
bfd_h_put_64 (abfd, seg->filesize, buf + 40);
|
|
bfd_h_put_32 (abfd, seg->maxprot, buf + 48);
|
|
bfd_h_put_32 (abfd, seg->initprot, buf + 52);
|
|
bfd_h_put_32 (abfd, seg->nsects, buf + 56);
|
|
bfd_h_put_32 (abfd, seg->flags, buf + 60);
|
|
|
|
if (bfd_seek (abfd, command->offset + 8, SEEK_SET) != 0
|
|
|| (bfd_bwrite ((PTR) buf, BFD_MACH_O_LC_SEGMENT_64_SIZE - 8, abfd)
|
|
!= BFD_MACH_O_LC_SEGMENT_64_SIZE - 8))
|
return -1;
|
return -1;
|
|
|
nbytes -= thisread;
|
|
curoff += thisread;
|
|
}
|
|
}
|
|
|
|
for (i = 0; i < seg->nsects; i++)
|
for (i = 0; i < seg->nsects; i++)
|
{
|
if (bfd_mach_o_scan_write_section_64 (abfd, &seg->sections[i]))
|
bfd_vma segoff = command->offset + 48 + 8 + (i * 68);
|
|
|
|
if (bfd_mach_o_scan_write_section (abfd, &seg->sections[i], segoff) != 0)
|
|
return -1;
|
return -1;
|
}
|
|
|
|
return 0;
|
return 0;
|
}
|
}
|
|
|
static int
|
static bfd_boolean
|
bfd_mach_o_scan_write_symtab_symbols (bfd *abfd,
|
bfd_mach_o_scan_write_symtab (bfd *abfd, bfd_mach_o_load_command *command)
|
bfd_mach_o_load_command *command)
|
|
{
|
{
|
|
bfd_mach_o_data_struct *mdata = bfd_mach_o_get_data (abfd);
|
bfd_mach_o_symtab_command *sym = &command->command.symtab;
|
bfd_mach_o_symtab_command *sym = &command->command.symtab;
|
asymbol *s = NULL;
|
unsigned char buf[16];
|
unsigned long i;
|
unsigned long i;
|
|
unsigned int wide = bfd_mach_o_wide_p (abfd);
|
|
unsigned int symlen = wide ? BFD_MACH_O_NLIST_64_SIZE : BFD_MACH_O_NLIST_SIZE;
|
|
struct bfd_strtab_hash *strtab;
|
|
asymbol **symbols = bfd_get_outsymbols (abfd);
|
|
|
|
BFD_ASSERT (command->type == BFD_MACH_O_LC_SYMTAB);
|
|
|
|
/* Write the symbols first. */
|
|
mdata->filelen = FILE_ALIGN(mdata->filelen, wide ? 3 : 2);
|
|
sym->symoff = mdata->filelen;
|
|
if (bfd_seek (abfd, sym->symoff, SEEK_SET) != 0)
|
|
return FALSE;
|
|
|
|
sym->nsyms = bfd_get_symcount (abfd);
|
|
mdata->filelen += sym->nsyms * symlen;
|
|
|
|
strtab = _bfd_stringtab_init ();
|
|
if (strtab == NULL)
|
|
return FALSE;
|
|
|
for (i = 0; i < sym->nsyms; i++)
|
for (i = 0; i < sym->nsyms; i++)
|
{
|
{
|
unsigned char buf[12];
|
unsigned char buf[16];
|
bfd_vma symoff = sym->symoff + (i * 12);
|
bfd_size_type index;
|
unsigned char ntype = 0;
|
bfd_mach_o_asymbol *s = (bfd_mach_o_asymbol *)symbols[i];
|
unsigned char nsect = 0;
|
|
short ndesc = 0;
|
|
|
|
s = &sym->symbols[i];
|
|
|
|
/* Instead just set from the stored values. */
|
|
ntype = (s->udata.i >> 24) & 0xff;
|
|
nsect = (s->udata.i >> 16) & 0xff;
|
|
ndesc = s->udata.i & 0xffff;
|
|
|
|
bfd_h_put_32 (abfd, s->name - sym->strtab, buf);
|
|
bfd_h_put_8 (abfd, ntype, buf + 4);
|
|
bfd_h_put_8 (abfd, nsect, buf + 5);
|
|
bfd_h_put_16 (abfd, ndesc, buf + 6);
|
|
bfd_h_put_32 (abfd, s->section->vma + s->value, buf + 8);
|
|
|
|
bfd_seek (abfd, symoff, SEEK_SET);
|
/* Compute name index. */
|
if (bfd_bwrite ((PTR) buf, 12, abfd) != 12)
|
/* An index of 0 always means the empty string. */
|
|
if (s->symbol.name == 0 || s->symbol.name[0] == '\0')
|
|
index = 0;
|
|
else
|
{
|
{
|
fprintf (stderr, "bfd_mach_o_scan_write_symtab_symbols: unable to write %d bytes at %lu\n",
|
index = _bfd_stringtab_add (strtab, s->symbol.name, TRUE, FALSE);
|
12, (unsigned long) symoff);
|
if (index == (bfd_size_type) -1)
|
return -1;
|
goto err;
|
}
|
}
|
|
bfd_h_put_32 (abfd, index, buf);
|
|
bfd_h_put_8 (abfd, s->n_type, buf + 4);
|
|
bfd_h_put_8 (abfd, s->n_sect, buf + 5);
|
|
bfd_h_put_16 (abfd, s->n_desc, buf + 6);
|
|
if (wide)
|
|
bfd_h_put_64 (abfd, s->symbol.section->vma + s->symbol.value, buf + 8);
|
|
else
|
|
bfd_h_put_32 (abfd, s->symbol.section->vma + s->symbol.value, buf + 8);
|
|
|
|
if (bfd_bwrite ((PTR) buf, symlen, abfd) != symlen)
|
|
goto err;
|
}
|
}
|
|
sym->strsize = _bfd_stringtab_size (strtab);
|
|
sym->stroff = mdata->filelen;
|
|
mdata->filelen += sym->strsize;
|
|
|
|
if (_bfd_stringtab_emit (abfd, strtab) != TRUE)
|
|
goto err;
|
|
_bfd_stringtab_free (strtab);
|
|
|
|
/* The command. */
|
|
bfd_h_put_32 (abfd, sym->symoff, buf);
|
|
bfd_h_put_32 (abfd, sym->nsyms, buf + 4);
|
|
bfd_h_put_32 (abfd, sym->stroff, buf + 8);
|
|
bfd_h_put_32 (abfd, sym->strsize, buf + 12);
|
|
|
return 0;
|
if (bfd_seek (abfd, command->offset + 8, SEEK_SET) != 0
|
|
|| bfd_bwrite ((PTR) buf, 16, abfd) != 16)
|
|
return FALSE;
|
|
|
|
return TRUE;
|
|
|
|
err:
|
|
_bfd_stringtab_free (strtab);
|
|
return FALSE;
|
}
|
}
|
|
|
static int
|
/* Process the symbols and generate Mach-O specific fields.
|
bfd_mach_o_scan_write_symtab (bfd *abfd, bfd_mach_o_load_command *command)
|
Number them. */
|
|
|
|
static bfd_boolean
|
|
bfd_mach_o_mangle_symbols (bfd *abfd)
|
{
|
{
|
bfd_mach_o_symtab_command *seg = &command->command.symtab;
|
unsigned long i;
|
unsigned char buf[16];
|
asymbol **symbols = bfd_get_outsymbols (abfd);
|
|
|
BFD_ASSERT (command->type == BFD_MACH_O_LC_SYMTAB);
|
for (i = 0; i < bfd_get_symcount (abfd); i++)
|
|
{
|
|
bfd_mach_o_asymbol *s = (bfd_mach_o_asymbol *)symbols[i];
|
|
|
bfd_h_put_32 (abfd, seg->symoff, buf);
|
if (s->n_type == BFD_MACH_O_N_UNDF && !(s->symbol.flags & BSF_DEBUGGING))
|
bfd_h_put_32 (abfd, seg->nsyms, buf + 4);
|
{
|
bfd_h_put_32 (abfd, seg->stroff, buf + 8);
|
/* As genuine Mach-O symbols type shouldn't be N_UNDF (undefined
|
bfd_h_put_32 (abfd, seg->strsize, buf + 12);
|
symbols should be N_UNDEF | N_EXT), we suppose the back-end
|
|
values haven't been set. */
|
|
if (s->symbol.section == bfd_abs_section_ptr)
|
|
s->n_type = BFD_MACH_O_N_ABS;
|
|
else if (s->symbol.section == bfd_und_section_ptr)
|
|
{
|
|
s->n_type = BFD_MACH_O_N_UNDF;
|
|
if (s->symbol.flags & BSF_WEAK)
|
|
s->n_desc |= BFD_MACH_O_N_WEAK_REF;
|
|
}
|
|
else if (s->symbol.section == bfd_com_section_ptr)
|
|
s->n_type = BFD_MACH_O_N_UNDF | BFD_MACH_O_N_EXT;
|
|
else
|
|
s->n_type = BFD_MACH_O_N_SECT;
|
|
|
bfd_seek (abfd, command->offset + 8, SEEK_SET);
|
if (s->symbol.flags & BSF_GLOBAL)
|
if (bfd_bwrite ((PTR) buf, 16, abfd) != 16)
|
s->n_type |= BFD_MACH_O_N_EXT;
|
return -1;
|
}
|
|
|
if (bfd_mach_o_scan_write_symtab_symbols (abfd, command) != 0)
|
/* Compute section index. */
|
return -1;
|
if (s->symbol.section != bfd_abs_section_ptr
|
|
&& s->symbol.section != bfd_und_section_ptr
|
|
&& s->symbol.section != bfd_com_section_ptr)
|
|
s->n_sect = s->symbol.section->target_index;
|
|
|
return 0;
|
/* Number symbols. */
|
|
s->symbol.udata.i = i;
|
|
}
|
|
return TRUE;
|
}
|
}
|
|
|
static bfd_boolean
|
bfd_boolean
|
bfd_mach_o_write_contents (bfd *abfd)
|
bfd_mach_o_write_contents (bfd *abfd)
|
{
|
{
|
unsigned int i;
|
unsigned int i;
|
asection *s;
|
bfd_mach_o_data_struct *mdata = bfd_mach_o_get_data (abfd);
|
|
|
bfd_mach_o_data_struct *mdata = abfd->tdata.mach_o_data;
|
|
|
|
/* Write data sections first in case they overlap header data to be
|
if (mdata->header.ncmds == 0)
|
written later. */
|
if (!bfd_mach_o_build_commands (abfd))
|
|
return FALSE;
|
for (s = abfd->sections; s != (asection *) NULL; s = s->next)
|
|
;
|
|
|
|
/* Now write header information. */
|
/* Now write header information. */
|
if (bfd_mach_o_write_header (abfd, &mdata->header) != 0)
|
if (mdata->header.filetype == 0)
|
|
{
|
|
if (abfd->flags & EXEC_P)
|
|
mdata->header.filetype = BFD_MACH_O_MH_EXECUTE;
|
|
else if (abfd->flags & DYNAMIC)
|
|
mdata->header.filetype = BFD_MACH_O_MH_DYLIB;
|
|
else
|
|
mdata->header.filetype = BFD_MACH_O_MH_OBJECT;
|
|
}
|
|
if (!bfd_mach_o_write_header (abfd, &mdata->header))
|
|
return FALSE;
|
|
|
|
/* Assign a number to each symbols. */
|
|
if (!bfd_mach_o_mangle_symbols (abfd))
|
return FALSE;
|
return FALSE;
|
|
|
for (i = 0; i < mdata->header.ncmds; i++)
|
for (i = 0; i < mdata->header.ncmds; i++)
|
{
|
{
|
unsigned char buf[8];
|
unsigned char buf[8];
|
bfd_mach_o_load_command *cur = &mdata->commands[i];
|
bfd_mach_o_load_command *cur = &mdata->commands[i];
|
unsigned long typeflag;
|
unsigned long typeflag;
|
|
|
typeflag = cur->type_required ? cur->type & BFD_MACH_O_LC_REQ_DYLD : cur->type;
|
typeflag = cur->type | (cur->type_required ? BFD_MACH_O_LC_REQ_DYLD : 0);
|
|
|
bfd_h_put_32 (abfd, typeflag, buf);
|
bfd_h_put_32 (abfd, typeflag, buf);
|
bfd_h_put_32 (abfd, cur->len, buf + 4);
|
bfd_h_put_32 (abfd, cur->len, buf + 4);
|
|
|
bfd_seek (abfd, cur->offset, SEEK_SET);
|
if (bfd_seek (abfd, cur->offset, SEEK_SET) != 0
|
if (bfd_bwrite ((PTR) buf, 8, abfd) != 8)
|
|| bfd_bwrite ((PTR) buf, 8, abfd) != 8)
|
return FALSE;
|
return FALSE;
|
|
|
switch (cur->type)
|
switch (cur->type)
|
{
|
{
|
case BFD_MACH_O_LC_SEGMENT:
|
case BFD_MACH_O_LC_SEGMENT:
|
if (bfd_mach_o_scan_write_segment (abfd, cur) != 0)
|
if (bfd_mach_o_scan_write_segment_32 (abfd, cur) != 0)
|
|
return FALSE;
|
|
break;
|
|
case BFD_MACH_O_LC_SEGMENT_64:
|
|
if (bfd_mach_o_scan_write_segment_64 (abfd, cur) != 0)
|
return FALSE;
|
return FALSE;
|
break;
|
break;
|
case BFD_MACH_O_LC_SYMTAB:
|
case BFD_MACH_O_LC_SYMTAB:
|
if (bfd_mach_o_scan_write_symtab (abfd, cur) != 0)
|
if (!bfd_mach_o_scan_write_symtab (abfd, cur))
|
return FALSE;
|
return FALSE;
|
break;
|
break;
|
case BFD_MACH_O_LC_SYMSEG:
|
case BFD_MACH_O_LC_SYMSEG:
|
break;
|
break;
|
case BFD_MACH_O_LC_THREAD:
|
case BFD_MACH_O_LC_THREAD:
|
case BFD_MACH_O_LC_UNIXTHREAD:
|
case BFD_MACH_O_LC_UNIXTHREAD:
|
if (bfd_mach_o_scan_write_thread (abfd, cur) != 0)
|
if (bfd_mach_o_scan_write_thread (abfd, cur) != 0)
|
return FALSE;
|
return FALSE;
|
break;
|
break;
|
case BFD_MACH_O_LC_LOADFVMLIB:
|
case BFD_MACH_O_LC_LOADFVMLIB:
|
case BFD_MACH_O_LC_IDFVMLIB:
|
case BFD_MACH_O_LC_IDFVMLIB:
|
case BFD_MACH_O_LC_IDENT:
|
case BFD_MACH_O_LC_IDENT:
|
case BFD_MACH_O_LC_FVMFILE:
|
case BFD_MACH_O_LC_FVMFILE:
|
case BFD_MACH_O_LC_PREPAGE:
|
case BFD_MACH_O_LC_PREPAGE:
|
case BFD_MACH_O_LC_DYSYMTAB:
|
case BFD_MACH_O_LC_DYSYMTAB:
|
case BFD_MACH_O_LC_LOAD_DYLIB:
|
case BFD_MACH_O_LC_LOAD_DYLIB:
|
case BFD_MACH_O_LC_LOAD_WEAK_DYLIB:
|
case BFD_MACH_O_LC_LOAD_WEAK_DYLIB:
|
case BFD_MACH_O_LC_ID_DYLIB:
|
case BFD_MACH_O_LC_ID_DYLIB:
|
|
case BFD_MACH_O_LC_REEXPORT_DYLIB:
|
case BFD_MACH_O_LC_LOAD_DYLINKER:
|
case BFD_MACH_O_LC_LOAD_DYLINKER:
|
case BFD_MACH_O_LC_ID_DYLINKER:
|
case BFD_MACH_O_LC_ID_DYLINKER:
|
case BFD_MACH_O_LC_PREBOUND_DYLIB:
|
case BFD_MACH_O_LC_PREBOUND_DYLIB:
|
case BFD_MACH_O_LC_ROUTINES:
|
case BFD_MACH_O_LC_ROUTINES:
|
case BFD_MACH_O_LC_SUB_FRAMEWORK:
|
case BFD_MACH_O_LC_SUB_FRAMEWORK:
|
break;
|
break;
|
default:
|
default:
|
fprintf (stderr,
|
fprintf (stderr,
|
"unable to write unknown load command 0x%lx\n",
|
"unable to write unknown load command 0x%lx\n",
|
(long) cur->type);
|
(unsigned long) cur->type);
|
return FALSE;
|
return FALSE;
|
}
|
}
|
}
|
}
|
|
|
return TRUE;
|
return TRUE;
|
}
|
}
|
|
|
static int
|
/* Build Mach-O load commands from the sections. */
|
|
|
|
bfd_boolean
|
|
bfd_mach_o_build_commands (bfd *abfd)
|
|
{
|
|
bfd_mach_o_data_struct *mdata = bfd_mach_o_get_data (abfd);
|
|
unsigned int wide = mach_o_wide_p (&mdata->header);
|
|
bfd_mach_o_segment_command *seg;
|
|
bfd_mach_o_section *sections;
|
|
asection *sec;
|
|
bfd_mach_o_load_command *cmd;
|
|
bfd_mach_o_load_command *symtab_cmd;
|
|
int target_index;
|
|
|
|
/* Return now if commands are already built. */
|
|
if (mdata->header.ncmds)
|
|
return FALSE;
|
|
|
|
/* Very simple version: 1 command (segment) containing all sections. */
|
|
mdata->header.ncmds = 2;
|
|
mdata->commands = bfd_alloc (abfd, mdata->header.ncmds
|
|
* sizeof (bfd_mach_o_load_command));
|
|
if (mdata->commands == NULL)
|
|
return FALSE;
|
|
cmd = &mdata->commands[0];
|
|
seg = &cmd->command.segment;
|
|
|
|
seg->nsects = bfd_count_sections (abfd);
|
|
sections = bfd_alloc (abfd, seg->nsects * sizeof (bfd_mach_o_section));
|
|
if (sections == NULL)
|
|
return FALSE;
|
|
seg->sections = sections;
|
|
|
|
/* Set segment command. */
|
|
if (wide)
|
|
{
|
|
cmd->type = BFD_MACH_O_LC_SEGMENT_64;
|
|
cmd->offset = BFD_MACH_O_HEADER_64_SIZE;
|
|
cmd->len = BFD_MACH_O_LC_SEGMENT_64_SIZE
|
|
+ BFD_MACH_O_SECTION_64_SIZE * seg->nsects;
|
|
}
|
|
else
|
|
{
|
|
cmd->type = BFD_MACH_O_LC_SEGMENT;
|
|
cmd->offset = BFD_MACH_O_HEADER_SIZE;
|
|
cmd->len = BFD_MACH_O_LC_SEGMENT_SIZE
|
|
+ BFD_MACH_O_SECTION_SIZE * seg->nsects;
|
|
}
|
|
cmd->type_required = FALSE;
|
|
mdata->header.sizeofcmds = cmd->len;
|
|
mdata->filelen = cmd->offset + cmd->len;
|
|
|
|
/* Set symtab command. */
|
|
symtab_cmd = &mdata->commands[1];
|
|
|
|
symtab_cmd->type = BFD_MACH_O_LC_SYMTAB;
|
|
symtab_cmd->offset = cmd->offset + cmd->len;
|
|
symtab_cmd->len = 6 * 4;
|
|
symtab_cmd->type_required = FALSE;
|
|
|
|
mdata->header.sizeofcmds += symtab_cmd->len;
|
|
mdata->filelen += symtab_cmd->len;
|
|
|
|
/* Fill segment command. */
|
|
memset (seg->segname, 0, sizeof (seg->segname));
|
|
seg->vmaddr = 0;
|
|
seg->fileoff = mdata->filelen;
|
|
seg->filesize = 0;
|
|
seg->maxprot = BFD_MACH_O_PROT_READ | BFD_MACH_O_PROT_WRITE
|
|
| BFD_MACH_O_PROT_EXECUTE;
|
|
seg->initprot = seg->maxprot;
|
|
seg->flags = 0;
|
|
|
|
/* Create Mach-O sections. */
|
|
target_index = 0;
|
|
for (sec = abfd->sections; sec; sec = sec->next)
|
|
{
|
|
sections->bfdsection = sec;
|
|
bfd_mach_o_convert_section_name_to_mach_o (abfd, sec, sections);
|
|
sections->addr = bfd_get_section_vma (abfd, sec);
|
|
sections->size = bfd_get_section_size (sec);
|
|
sections->align = bfd_get_section_alignment (abfd, sec);
|
|
|
|
if (sections->size != 0)
|
|
{
|
|
mdata->filelen = FILE_ALIGN (mdata->filelen, sections->align);
|
|
sections->offset = mdata->filelen;
|
|
}
|
|
else
|
|
sections->offset = 0;
|
|
sections->reloff = 0;
|
|
sections->nreloc = 0;
|
|
sections->reserved1 = 0;
|
|
sections->reserved2 = 0;
|
|
sections->reserved3 = 0;
|
|
|
|
sec->filepos = sections->offset;
|
|
sec->target_index = ++target_index;
|
|
|
|
mdata->filelen += sections->size;
|
|
sections++;
|
|
}
|
|
seg->filesize = mdata->filelen - seg->fileoff;
|
|
seg->vmsize = seg->filesize;
|
|
|
|
return TRUE;
|
|
}
|
|
|
|
/* Set the contents of a section. */
|
|
|
|
bfd_boolean
|
|
bfd_mach_o_set_section_contents (bfd *abfd,
|
|
asection *section,
|
|
const void * location,
|
|
file_ptr offset,
|
|
bfd_size_type count)
|
|
{
|
|
file_ptr pos;
|
|
|
|
/* This must be done first, because bfd_set_section_contents is
|
|
going to set output_has_begun to TRUE. */
|
|
if (! abfd->output_has_begun && ! bfd_mach_o_build_commands (abfd))
|
|
return FALSE;
|
|
|
|
if (count == 0)
|
|
return TRUE;
|
|
|
|
pos = section->filepos + offset;
|
|
if (bfd_seek (abfd, pos, SEEK_SET) != 0
|
|
|| bfd_bwrite (location, count, abfd) != count)
|
|
return FALSE;
|
|
|
|
return TRUE;
|
|
}
|
|
|
|
int
|
bfd_mach_o_sizeof_headers (bfd *a ATTRIBUTE_UNUSED,
|
bfd_mach_o_sizeof_headers (bfd *a ATTRIBUTE_UNUSED,
|
struct bfd_link_info *info ATTRIBUTE_UNUSED)
|
struct bfd_link_info *info ATTRIBUTE_UNUSED)
|
{
|
{
|
return 0;
|
return 0;
|
}
|
}
|
|
|
/* Make an empty symbol. This is required only because
|
/* Make an empty symbol. This is required only because
|
bfd_make_section_anyway wants to create a symbol for the section. */
|
bfd_make_section_anyway wants to create a symbol for the section. */
|
|
|
static asymbol *
|
asymbol *
|
bfd_mach_o_make_empty_symbol (bfd *abfd)
|
bfd_mach_o_make_empty_symbol (bfd *abfd)
|
{
|
{
|
asymbol *new;
|
asymbol *new_symbol;
|
|
|
new = bfd_zalloc (abfd, sizeof (* new));
|
new_symbol = bfd_zalloc (abfd, sizeof (bfd_mach_o_asymbol));
|
if (new == NULL)
|
if (new_symbol == NULL)
|
return new;
|
return new_symbol;
|
new->the_bfd = abfd;
|
new_symbol->the_bfd = abfd;
|
return new;
|
new_symbol->udata.i = 0;
|
|
return new_symbol;
|
}
|
}
|
|
|
static int
|
static bfd_boolean
|
bfd_mach_o_read_header (bfd *abfd, bfd_mach_o_header *header)
|
bfd_mach_o_read_header (bfd *abfd, bfd_mach_o_header *header)
|
{
|
{
|
unsigned char buf[28];
|
unsigned char buf[32];
|
|
unsigned int size;
|
bfd_vma (*get32) (const void *) = NULL;
|
bfd_vma (*get32) (const void *) = NULL;
|
|
|
bfd_seek (abfd, 0, SEEK_SET);
|
/* Just read the magic number. */
|
|
if (bfd_seek (abfd, 0, SEEK_SET) != 0
|
if (bfd_bread ((PTR) buf, 28, abfd) != 28)
|
|| bfd_bread ((PTR) buf, 4, abfd) != 4)
|
return -1;
|
return FALSE;
|
|
|
if (bfd_getb32 (buf) == 0xfeedface)
|
if (bfd_getb32 (buf) == BFD_MACH_O_MH_MAGIC)
|
|
{
|
|
header->byteorder = BFD_ENDIAN_BIG;
|
|
header->magic = BFD_MACH_O_MH_MAGIC;
|
|
header->version = 1;
|
|
get32 = bfd_getb32;
|
|
}
|
|
else if (bfd_getl32 (buf) == BFD_MACH_O_MH_MAGIC)
|
|
{
|
|
header->byteorder = BFD_ENDIAN_LITTLE;
|
|
header->magic = BFD_MACH_O_MH_MAGIC;
|
|
header->version = 1;
|
|
get32 = bfd_getl32;
|
|
}
|
|
else if (bfd_getb32 (buf) == BFD_MACH_O_MH_MAGIC_64)
|
{
|
{
|
header->byteorder = BFD_ENDIAN_BIG;
|
header->byteorder = BFD_ENDIAN_BIG;
|
header->magic = 0xfeedface;
|
header->magic = BFD_MACH_O_MH_MAGIC_64;
|
|
header->version = 2;
|
get32 = bfd_getb32;
|
get32 = bfd_getb32;
|
}
|
}
|
else if (bfd_getl32 (buf) == 0xfeedface)
|
else if (bfd_getl32 (buf) == BFD_MACH_O_MH_MAGIC_64)
|
{
|
{
|
header->byteorder = BFD_ENDIAN_LITTLE;
|
header->byteorder = BFD_ENDIAN_LITTLE;
|
header->magic = 0xfeedface;
|
header->magic = BFD_MACH_O_MH_MAGIC_64;
|
|
header->version = 2;
|
get32 = bfd_getl32;
|
get32 = bfd_getl32;
|
}
|
}
|
else
|
else
|
{
|
{
|
header->byteorder = BFD_ENDIAN_UNKNOWN;
|
header->byteorder = BFD_ENDIAN_UNKNOWN;
|
return -1;
|
return FALSE;
|
}
|
}
|
|
|
|
/* Once the size of the header is known, read the full header. */
|
|
size = mach_o_wide_p (header) ?
|
|
BFD_MACH_O_HEADER_64_SIZE : BFD_MACH_O_HEADER_SIZE;
|
|
|
|
if (bfd_seek (abfd, 0, SEEK_SET) != 0
|
|
|| bfd_bread ((PTR) buf, size, abfd) != size)
|
|
return FALSE;
|
|
|
header->cputype = (*get32) (buf + 4);
|
header->cputype = (*get32) (buf + 4);
|
header->cpusubtype = (*get32) (buf + 8);
|
header->cpusubtype = (*get32) (buf + 8);
|
header->filetype = (*get32) (buf + 12);
|
header->filetype = (*get32) (buf + 12);
|
header->ncmds = (*get32) (buf + 16);
|
header->ncmds = (*get32) (buf + 16);
|
header->sizeofcmds = (*get32) (buf + 20);
|
header->sizeofcmds = (*get32) (buf + 20);
|
header->flags = (*get32) (buf + 24);
|
header->flags = (*get32) (buf + 24);
|
|
|
return 0;
|
if (mach_o_wide_p (header))
|
|
header->reserved = (*get32) (buf + 28);
|
|
|
|
return TRUE;
|
}
|
}
|
|
|
static asection *
|
static asection *
|
bfd_mach_o_make_bfd_section (bfd *abfd, bfd_mach_o_section *section)
|
bfd_mach_o_make_bfd_section (bfd *abfd, bfd_mach_o_section *section,
|
|
unsigned long prot)
|
{
|
{
|
asection *bfdsec;
|
asection *bfdsec;
|
char *sname;
|
char *sname;
|
const char *prefix = "LC_SEGMENT";
|
|
unsigned int snamelen;
|
|
flagword flags;
|
flagword flags;
|
|
|
snamelen = strlen (prefix) + 1
|
sname = bfd_mach_o_convert_section_name_to_bfd (abfd, section);
|
+ strlen (section->segname) + 1
|
|
+ strlen (section->sectname) + 1;
|
|
|
|
sname = bfd_alloc (abfd, snamelen);
|
|
if (sname == NULL)
|
if (sname == NULL)
|
return NULL;
|
return NULL;
|
sprintf (sname, "%s.%s.%s", prefix, section->segname, section->sectname);
|
|
|
|
|
if (section->flags & BFD_MACH_O_S_ATTR_DEBUG)
|
|
flags = SEC_HAS_CONTENTS | SEC_DEBUGGING;
|
|
else
|
|
{
|
flags = SEC_ALLOC;
|
flags = SEC_ALLOC;
|
if ((section->flags & SECTION_TYPE) != BFD_MACH_O_S_ZEROFILL)
|
if ((section->flags & BFD_MACH_O_SECTION_TYPE_MASK)
|
flags = SEC_HAS_CONTENTS | SEC_LOAD | SEC_ALLOC | SEC_CODE;
|
!= BFD_MACH_O_S_ZEROFILL)
|
|
{
|
|
flags |= SEC_HAS_CONTENTS | SEC_LOAD;
|
|
if (prot & BFD_MACH_O_PROT_EXECUTE)
|
|
flags |= SEC_CODE;
|
|
if (prot & BFD_MACH_O_PROT_WRITE)
|
|
flags |= SEC_DATA;
|
|
else if (prot & BFD_MACH_O_PROT_READ)
|
|
flags |= SEC_READONLY;
|
|
}
|
|
}
|
|
if (section->nreloc != 0)
|
|
flags |= SEC_RELOC;
|
|
|
bfdsec = bfd_make_section_anyway_with_flags (abfd, sname, flags);
|
bfdsec = bfd_make_section_anyway_with_flags (abfd, sname, flags);
|
if (bfdsec == NULL)
|
if (bfdsec == NULL)
|
return NULL;
|
return NULL;
|
|
|
bfdsec->vma = section->addr;
|
bfdsec->vma = section->addr;
|
bfdsec->lma = section->addr;
|
bfdsec->lma = section->addr;
|
bfdsec->size = section->size;
|
bfdsec->size = section->size;
|
bfdsec->filepos = section->offset;
|
bfdsec->filepos = section->offset;
|
bfdsec->alignment_power = section->align;
|
bfdsec->alignment_power = section->align;
|
|
bfdsec->segment_mark = 0;
|
|
bfdsec->reloc_count = section->nreloc;
|
|
bfdsec->rel_filepos = section->reloff;
|
|
|
return bfdsec;
|
return bfdsec;
|
}
|
}
|
|
|
static int
|
static int
|
bfd_mach_o_scan_read_section (bfd *abfd,
|
bfd_mach_o_scan_read_section_32 (bfd *abfd,
|
bfd_mach_o_section *section,
|
bfd_mach_o_section *section,
|
bfd_vma offset)
|
unsigned int offset,
|
|
unsigned long prot)
|
{
|
{
|
unsigned char buf[68];
|
unsigned char buf[BFD_MACH_O_SECTION_SIZE];
|
|
|
bfd_seek (abfd, offset, SEEK_SET);
|
if (bfd_seek (abfd, offset, SEEK_SET) != 0
|
if (bfd_bread ((PTR) buf, 68, abfd) != 68)
|
|| (bfd_bread ((PTR) buf, BFD_MACH_O_SECTION_SIZE, abfd)
|
|
!= BFD_MACH_O_SECTION_SIZE))
|
return -1;
|
return -1;
|
|
|
memcpy (section->sectname, buf, 16);
|
memcpy (section->sectname, buf, 16);
|
section->sectname[16] = '\0';
|
section->sectname[16] = '\0';
|
memcpy (section->segname, buf + 16, 16);
|
memcpy (section->segname, buf + 16, 16);
|
section->segname[16] = '\0';
|
section->segname[16] = '\0';
|
section->addr = bfd_h_get_32 (abfd, buf + 32);
|
section->addr = bfd_h_get_32 (abfd, buf + 32);
|
section->size = bfd_h_get_32 (abfd, buf + 36);
|
section->size = bfd_h_get_32 (abfd, buf + 36);
|
section->offset = bfd_h_get_32 (abfd, buf + 40);
|
section->offset = bfd_h_get_32 (abfd, buf + 40);
|
section->align = bfd_h_get_32 (abfd, buf + 44);
|
section->align = bfd_h_get_32 (abfd, buf + 44);
|
section->reloff = bfd_h_get_32 (abfd, buf + 48);
|
section->reloff = bfd_h_get_32 (abfd, buf + 48);
|
section->nreloc = bfd_h_get_32 (abfd, buf + 52);
|
section->nreloc = bfd_h_get_32 (abfd, buf + 52);
|
section->flags = bfd_h_get_32 (abfd, buf + 56);
|
section->flags = bfd_h_get_32 (abfd, buf + 56);
|
section->reserved1 = bfd_h_get_32 (abfd, buf + 60);
|
section->reserved1 = bfd_h_get_32 (abfd, buf + 60);
|
section->reserved2 = bfd_h_get_32 (abfd, buf + 64);
|
section->reserved2 = bfd_h_get_32 (abfd, buf + 64);
|
section->bfdsection = bfd_mach_o_make_bfd_section (abfd, section);
|
section->reserved3 = 0;
|
|
section->bfdsection = bfd_mach_o_make_bfd_section (abfd, section, prot);
|
|
|
if (section->bfdsection == NULL)
|
if (section->bfdsection == NULL)
|
return -1;
|
return -1;
|
|
|
return 0;
|
return 0;
|
}
|
}
|
|
|
int
|
static int
|
|
bfd_mach_o_scan_read_section_64 (bfd *abfd,
|
|
bfd_mach_o_section *section,
|
|
unsigned int offset,
|
|
unsigned long prot)
|
|
{
|
|
unsigned char buf[BFD_MACH_O_SECTION_64_SIZE];
|
|
|
|
if (bfd_seek (abfd, offset, SEEK_SET) != 0
|
|
|| (bfd_bread ((PTR) buf, BFD_MACH_O_SECTION_64_SIZE, abfd)
|
|
!= BFD_MACH_O_SECTION_64_SIZE))
|
|
return -1;
|
|
|
|
memcpy (section->sectname, buf, 16);
|
|
section->sectname[16] = '\0';
|
|
memcpy (section->segname, buf + 16, 16);
|
|
section->segname[16] = '\0';
|
|
section->addr = bfd_h_get_64 (abfd, buf + 32);
|
|
section->size = bfd_h_get_64 (abfd, buf + 40);
|
|
section->offset = bfd_h_get_32 (abfd, buf + 48);
|
|
section->align = bfd_h_get_32 (abfd, buf + 52);
|
|
section->reloff = bfd_h_get_32 (abfd, buf + 56);
|
|
section->nreloc = bfd_h_get_32 (abfd, buf + 60);
|
|
section->flags = bfd_h_get_32 (abfd, buf + 64);
|
|
section->reserved1 = bfd_h_get_32 (abfd, buf + 68);
|
|
section->reserved2 = bfd_h_get_32 (abfd, buf + 72);
|
|
section->reserved3 = bfd_h_get_32 (abfd, buf + 76);
|
|
section->bfdsection = bfd_mach_o_make_bfd_section (abfd, section, prot);
|
|
|
|
if (section->bfdsection == NULL)
|
|
return -1;
|
|
|
|
return 0;
|
|
}
|
|
|
|
static int
|
|
bfd_mach_o_scan_read_section (bfd *abfd,
|
|
bfd_mach_o_section *section,
|
|
unsigned int offset,
|
|
unsigned long prot,
|
|
unsigned int wide)
|
|
{
|
|
if (wide)
|
|
return bfd_mach_o_scan_read_section_64 (abfd, section, offset, prot);
|
|
else
|
|
return bfd_mach_o_scan_read_section_32 (abfd, section, offset, prot);
|
|
}
|
|
|
|
static int
|
bfd_mach_o_scan_read_symtab_symbol (bfd *abfd,
|
bfd_mach_o_scan_read_symtab_symbol (bfd *abfd,
|
bfd_mach_o_symtab_command *sym,
|
bfd_mach_o_symtab_command *sym,
|
asymbol *s,
|
bfd_mach_o_asymbol *s,
|
unsigned long i)
|
unsigned long i)
|
{
|
{
|
bfd_mach_o_data_struct *mdata = abfd->tdata.mach_o_data;
|
bfd_mach_o_data_struct *mdata = bfd_mach_o_get_data (abfd);
|
bfd_vma symoff = sym->symoff + (i * 12);
|
unsigned int wide = mach_o_wide_p (&mdata->header);
|
unsigned char buf[12];
|
unsigned int symwidth =
|
|
wide ? BFD_MACH_O_NLIST_64_SIZE : BFD_MACH_O_NLIST_SIZE;
|
|
unsigned int symoff = sym->symoff + (i * symwidth);
|
|
unsigned char buf[16];
|
unsigned char type = -1;
|
unsigned char type = -1;
|
unsigned char section = -1;
|
unsigned char section = -1;
|
short desc = -1;
|
short desc = -1;
|
unsigned long value = -1;
|
symvalue value = -1;
|
unsigned long stroff = -1;
|
unsigned long stroff = -1;
|
unsigned int symtype = -1;
|
unsigned int symtype = -1;
|
|
|
BFD_ASSERT (sym->strtab != NULL);
|
BFD_ASSERT (sym->strtab != NULL);
|
|
|
bfd_seek (abfd, symoff, SEEK_SET);
|
if (bfd_seek (abfd, symoff, SEEK_SET) != 0
|
if (bfd_bread ((PTR) buf, 12, abfd) != 12)
|
|| bfd_bread ((PTR) buf, symwidth, abfd) != symwidth)
|
{
|
{
|
fprintf (stderr, "bfd_mach_o_scan_read_symtab_symbol: unable to read %d bytes at %lu\n",
|
fprintf (stderr, "bfd_mach_o_scan_read_symtab_symbol: unable to read %d bytes at %lu\n",
|
12, (unsigned long) symoff);
|
symwidth, (unsigned long) symoff);
|
return -1;
|
return -1;
|
}
|
}
|
|
|
stroff = bfd_h_get_32 (abfd, buf);
|
stroff = bfd_h_get_32 (abfd, buf);
|
type = bfd_h_get_8 (abfd, buf + 4);
|
type = bfd_h_get_8 (abfd, buf + 4);
|
symtype = (type & 0x0e);
|
symtype = type & BFD_MACH_O_N_TYPE;
|
section = bfd_h_get_8 (abfd, buf + 5) - 1;
|
section = bfd_h_get_8 (abfd, buf + 5);
|
desc = bfd_h_get_16 (abfd, buf + 6);
|
desc = bfd_h_get_16 (abfd, buf + 6);
|
|
if (wide)
|
|
value = bfd_h_get_64 (abfd, buf + 8);
|
|
else
|
value = bfd_h_get_32 (abfd, buf + 8);
|
value = bfd_h_get_32 (abfd, buf + 8);
|
|
|
if (stroff >= sym->strsize)
|
if (stroff >= sym->strsize)
|
{
|
{
|
fprintf (stderr, "bfd_mach_o_scan_read_symtab_symbol: symbol name out of range (%lu >= %lu)\n",
|
fprintf (stderr, "bfd_mach_o_scan_read_symtab_symbol: symbol name out of range (%lu >= %lu)\n",
|
(unsigned long) stroff, (unsigned long) sym->strsize);
|
(unsigned long) stroff, (unsigned long) sym->strsize);
|
return -1;
|
return -1;
|
}
|
}
|
|
|
s->the_bfd = abfd;
|
s->symbol.the_bfd = abfd;
|
s->name = sym->strtab + stroff;
|
s->symbol.name = sym->strtab + stroff;
|
s->value = value;
|
s->symbol.value = value;
|
s->udata.i = (type << 24) | (section << 16) | desc;
|
s->symbol.flags = 0x0;
|
s->flags = 0x0;
|
s->symbol.udata.i = 0;
|
|
s->n_type = type;
|
|
s->n_sect = section;
|
|
s->n_desc = desc;
|
|
|
if (type & BFD_MACH_O_N_STAB)
|
if (type & BFD_MACH_O_N_STAB)
|
{
|
{
|
s->flags |= BSF_DEBUGGING;
|
s->symbol.flags |= BSF_DEBUGGING;
|
s->section = bfd_und_section_ptr;
|
s->symbol.section = bfd_und_section_ptr;
|
|
switch (type)
|
|
{
|
|
case N_FUN:
|
|
case N_STSYM:
|
|
case N_LCSYM:
|
|
case N_BNSYM:
|
|
case N_SLINE:
|
|
case N_ENSYM:
|
|
case N_ECOMM:
|
|
case N_ECOML:
|
|
case N_GSYM:
|
|
if ((section > 0) && (section <= mdata->nsects))
|
|
{
|
|
s->symbol.section = mdata->sections[section - 1]->bfdsection;
|
|
s->symbol.value =
|
|
s->symbol.value - mdata->sections[section - 1]->addr;
|
|
}
|
|
break;
|
|
}
|
}
|
}
|
else
|
else
|
{
|
{
|
if (type & BFD_MACH_O_N_PEXT)
|
if (type & BFD_MACH_O_N_PEXT)
|
{
|
s->symbol.flags |= BSF_GLOBAL;
|
type &= ~BFD_MACH_O_N_PEXT;
|
|
s->flags |= BSF_GLOBAL;
|
|
}
|
|
|
|
if (type & BFD_MACH_O_N_EXT)
|
if (type & BFD_MACH_O_N_EXT)
|
{
|
s->symbol.flags |= BSF_GLOBAL;
|
type &= ~BFD_MACH_O_N_EXT;
|
|
s->flags |= BSF_GLOBAL;
|
if (!(type & (BFD_MACH_O_N_PEXT | BFD_MACH_O_N_EXT)))
|
}
|
s->symbol.flags |= BSF_LOCAL;
|
|
|
switch (symtype)
|
switch (symtype)
|
{
|
{
|
case BFD_MACH_O_N_UNDF:
|
case BFD_MACH_O_N_UNDF:
|
s->section = bfd_und_section_ptr;
|
if (type == (BFD_MACH_O_N_UNDF | BFD_MACH_O_N_EXT)
|
|
&& s->symbol.value != 0)
|
|
{
|
|
/* A common symbol. */
|
|
s->symbol.section = bfd_com_section_ptr;
|
|
s->symbol.flags = BSF_NO_FLAGS;
|
|
}
|
|
else
|
|
{
|
|
s->symbol.section = bfd_und_section_ptr;
|
|
if (s->n_desc & BFD_MACH_O_N_WEAK_REF)
|
|
s->symbol.flags |= BSF_WEAK;
|
|
}
|
break;
|
break;
|
case BFD_MACH_O_N_PBUD:
|
case BFD_MACH_O_N_PBUD:
|
s->section = bfd_und_section_ptr;
|
s->symbol.section = bfd_und_section_ptr;
|
break;
|
break;
|
case BFD_MACH_O_N_ABS:
|
case BFD_MACH_O_N_ABS:
|
s->section = bfd_abs_section_ptr;
|
s->symbol.section = bfd_abs_section_ptr;
|
break;
|
break;
|
case BFD_MACH_O_N_SECT:
|
case BFD_MACH_O_N_SECT:
|
if ((section > 0) && (section <= mdata->nsects))
|
if ((section > 0) && (section <= mdata->nsects))
|
{
|
{
|
s->section = mdata->sections[section - 1]->bfdsection;
|
s->symbol.section = mdata->sections[section - 1]->bfdsection;
|
s->value = s->value - mdata->sections[section - 1]->addr;
|
s->symbol.value =
|
|
s->symbol.value - mdata->sections[section - 1]->addr;
|
}
|
}
|
else
|
else
|
{
|
{
|
/* Mach-O uses 0 to mean "no section"; not an error. */
|
/* Mach-O uses 0 to mean "no section"; not an error. */
|
if (section != 0)
|
if (section != 0)
|
{
|
{
|
fprintf (stderr, "bfd_mach_o_scan_read_symtab_symbol: "
|
fprintf (stderr, "bfd_mach_o_scan_read_symtab_symbol: "
|
"symbol \"%s\" specified invalid section %d (max %lu): setting to undefined\n",
|
"symbol \"%s\" specified invalid section %d (max %lu): setting to undefined\n",
|
s->name, section, mdata->nsects);
|
s->symbol.name, section, mdata->nsects);
|
}
|
}
|
s->section = bfd_und_section_ptr;
|
s->symbol.section = bfd_und_section_ptr;
|
}
|
}
|
break;
|
break;
|
case BFD_MACH_O_N_INDR:
|
case BFD_MACH_O_N_INDR:
|
fprintf (stderr, "bfd_mach_o_scan_read_symtab_symbol: "
|
fprintf (stderr, "bfd_mach_o_scan_read_symtab_symbol: "
|
"symbol \"%s\" is unsupported 'indirect' reference: setting to undefined\n",
|
"symbol \"%s\" is unsupported 'indirect' reference: setting to undefined\n",
|
s->name);
|
s->symbol.name);
|
s->section = bfd_und_section_ptr;
|
s->symbol.section = bfd_und_section_ptr;
|
break;
|
break;
|
default:
|
default:
|
fprintf (stderr, "bfd_mach_o_scan_read_symtab_symbol: "
|
fprintf (stderr, "bfd_mach_o_scan_read_symtab_symbol: "
|
"symbol \"%s\" specified invalid type field 0x%x: setting to undefined\n",
|
"symbol \"%s\" specified invalid type field 0x%x: setting to undefined\n",
|
s->name, symtype);
|
s->symbol.name, symtype);
|
s->section = bfd_und_section_ptr;
|
s->symbol.section = bfd_und_section_ptr;
|
break;
|
break;
|
}
|
}
|
}
|
}
|
|
|
return 0;
|
return 0;
|
}
|
}
|
|
|
int
|
static int
|
bfd_mach_o_scan_read_symtab_strtab (bfd *abfd,
|
bfd_mach_o_scan_read_symtab_strtab (bfd *abfd)
|
bfd_mach_o_symtab_command *sym)
|
|
{
|
{
|
BFD_ASSERT (sym->strtab == NULL);
|
bfd_mach_o_data_struct *mdata = bfd_mach_o_get_data (abfd);
|
|
bfd_mach_o_symtab_command *sym = mdata->symtab;
|
|
|
|
/* Fail if there is no symtab. */
|
|
if (sym == NULL)
|
|
return -1;
|
|
|
|
/* Success if already loaded. */
|
|
if (sym->strtab)
|
|
return 0;
|
|
|
if (abfd->flags & BFD_IN_MEMORY)
|
if (abfd->flags & BFD_IN_MEMORY)
|
{
|
{
|
struct bfd_in_memory *b;
|
struct bfd_in_memory *b;
|
|
|
b = (struct bfd_in_memory *) abfd->iostream;
|
b = (struct bfd_in_memory *) abfd->iostream;
|
|
|
if ((sym->stroff + sym->strsize) > b->size)
|
if ((sym->stroff + sym->strsize) > b->size)
|
{
|
{
|
bfd_set_error (bfd_error_file_truncated);
|
bfd_set_error (bfd_error_file_truncated);
|
return -1;
|
return -1;
|
}
|
}
|
sym->strtab = (char *) b->buffer + sym->stroff;
|
sym->strtab = (char *) b->buffer + sym->stroff;
|
return 0;
|
|
}
|
}
|
|
else
|
|
{
|
sym->strtab = bfd_alloc (abfd, sym->strsize);
|
sym->strtab = bfd_alloc (abfd, sym->strsize);
|
if (sym->strtab == NULL)
|
if (sym->strtab == NULL)
|
return -1;
|
return -1;
|
|
|
bfd_seek (abfd, sym->stroff, SEEK_SET);
|
if (bfd_seek (abfd, sym->stroff, SEEK_SET) != 0
|
if (bfd_bread ((PTR) sym->strtab, sym->strsize, abfd) != sym->strsize)
|
|| bfd_bread ((PTR) sym->strtab, sym->strsize, abfd) != sym->strsize)
|
{
|
{
|
fprintf (stderr, "bfd_mach_o_scan_read_symtab_strtab: unable to read %lu bytes at %lu\n",
|
bfd_set_error (bfd_error_file_truncated);
|
sym->strsize, sym->stroff);
|
|
return -1;
|
return -1;
|
}
|
}
|
|
}
|
|
|
return 0;
|
return 0;
|
}
|
}
|
|
|
int
|
static int
|
bfd_mach_o_scan_read_symtab_symbols (bfd *abfd,
|
bfd_mach_o_scan_read_symtab_symbols (bfd *abfd)
|
bfd_mach_o_symtab_command *sym)
|
|
{
|
{
|
|
bfd_mach_o_data_struct *mdata = bfd_mach_o_get_data (abfd);
|
|
bfd_mach_o_symtab_command *sym = mdata->symtab;
|
unsigned long i;
|
unsigned long i;
|
int ret;
|
int ret;
|
|
|
BFD_ASSERT (sym->symbols == NULL);
|
if (sym->symbols)
|
sym->symbols = bfd_alloc (abfd, sym->nsyms * sizeof (asymbol));
|
return 0;
|
|
|
|
sym->symbols = bfd_alloc (abfd, sym->nsyms * sizeof (bfd_mach_o_asymbol));
|
|
|
if (sym->symbols == NULL)
|
if (sym->symbols == NULL)
|
{
|
{
|
fprintf (stderr, "bfd_mach_o_scan_read_symtab_symbols: unable to allocate memory for symbols\n");
|
fprintf (stderr, "bfd_mach_o_scan_read_symtab_symbols: unable to allocate memory for symbols\n");
|
return -1;
|
return -1;
|
}
|
}
|
|
|
ret = bfd_mach_o_scan_read_symtab_strtab (abfd, sym);
|
ret = bfd_mach_o_scan_read_symtab_strtab (abfd);
|
if (ret != 0)
|
if (ret != 0)
|
return ret;
|
return ret;
|
|
|
for (i = 0; i < sym->nsyms; i++)
|
for (i = 0; i < sym->nsyms; i++)
|
{
|
{
|
ret = bfd_mach_o_scan_read_symtab_symbol (abfd, sym, &sym->symbols[i], i);
|
ret = bfd_mach_o_scan_read_symtab_symbol (abfd, sym, &sym->symbols[i], i);
|
if (ret != 0)
|
if (ret != 0)
|
return ret;
|
return ret;
|
}
|
}
|
|
|
return 0;
|
return 0;
|
}
|
}
|
|
|
int
|
int
|
bfd_mach_o_scan_read_dysymtab_symbol (bfd *abfd,
|
bfd_mach_o_scan_read_dysymtab_symbol (bfd *abfd,
|
bfd_mach_o_dysymtab_command *dysym,
|
bfd_mach_o_dysymtab_command *dysym,
|
bfd_mach_o_symtab_command *sym,
|
bfd_mach_o_symtab_command *sym,
|
asymbol *s,
|
bfd_mach_o_asymbol *s,
|
unsigned long i)
|
unsigned long i)
|
{
|
{
|
unsigned long isymoff = dysym->indirectsymoff + (i * 4);
|
unsigned long isymoff = dysym->indirectsymoff + (i * 4);
|
unsigned long symindex;
|
unsigned long symindex;
|
unsigned char buf[4];
|
unsigned char buf[4];
|
|
|
BFD_ASSERT (i < dysym->nindirectsyms);
|
BFD_ASSERT (i < dysym->nindirectsyms);
|
|
|
bfd_seek (abfd, isymoff, SEEK_SET);
|
if (bfd_seek (abfd, isymoff, SEEK_SET) != 0
|
if (bfd_bread ((PTR) buf, 4, abfd) != 4)
|
|| bfd_bread ((PTR) buf, 4, abfd) != 4)
|
{
|
{
|
fprintf (stderr, "bfd_mach_o_scan_read_dysymtab_symbol: unable to read %lu bytes at %lu\n",
|
fprintf (stderr, "bfd_mach_o_scan_read_dysymtab_symbol: unable to read %lu bytes at %lu\n",
|
(unsigned long) 4, isymoff);
|
(unsigned long) 4, isymoff);
|
return -1;
|
return -1;
|
}
|
}
|
symindex = bfd_h_get_32 (abfd, buf);
|
symindex = bfd_h_get_32 (abfd, buf);
|
|
|
return bfd_mach_o_scan_read_symtab_symbol (abfd, sym, s, symindex);
|
return bfd_mach_o_scan_read_symtab_symbol (abfd, sym, s, symindex);
|
}
|
}
|
|
|
static const char *
|
static const char *
|
bfd_mach_o_i386_flavour_string (unsigned int flavour)
|
bfd_mach_o_i386_flavour_string (unsigned int flavour)
|
{
|
{
|
switch ((int) flavour)
|
switch ((int) flavour)
|
{
|
{
|
case BFD_MACH_O_i386_NEW_THREAD_STATE: return "i386_NEW_THREAD_STATE";
|
case BFD_MACH_O_x86_THREAD_STATE32: return "x86_THREAD_STATE32";
|
case BFD_MACH_O_i386_FLOAT_STATE: return "i386_FLOAT_STATE";
|
case BFD_MACH_O_x86_FLOAT_STATE32: return "x86_FLOAT_STATE32";
|
case BFD_MACH_O_i386_ISA_PORT_MAP_STATE: return "i386_ISA_PORT_MAP_STATE";
|
case BFD_MACH_O_x86_EXCEPTION_STATE32: return "x86_EXCEPTION_STATE32";
|
case BFD_MACH_O_i386_V86_ASSIST_STATE: return "i386_V86_ASSIST_STATE";
|
case BFD_MACH_O_x86_THREAD_STATE64: return "x86_THREAD_STATE64";
|
case BFD_MACH_O_i386_REGS_SEGS_STATE: return "i386_REGS_SEGS_STATE";
|
case BFD_MACH_O_x86_FLOAT_STATE64: return "x86_FLOAT_STATE64";
|
case BFD_MACH_O_i386_THREAD_SYSCALL_STATE: return "i386_THREAD_SYSCALL_STATE";
|
case BFD_MACH_O_x86_EXCEPTION_STATE64: return "x86_EXCEPTION_STATE64";
|
case BFD_MACH_O_i386_THREAD_STATE_NONE: return "i386_THREAD_STATE_NONE";
|
case BFD_MACH_O_x86_THREAD_STATE: return "x86_THREAD_STATE";
|
case BFD_MACH_O_i386_SAVED_STATE: return "i386_SAVED_STATE";
|
case BFD_MACH_O_x86_FLOAT_STATE: return "x86_FLOAT_STATE";
|
case BFD_MACH_O_i386_THREAD_STATE: return "i386_THREAD_STATE";
|
case BFD_MACH_O_x86_EXCEPTION_STATE: return "x86_EXCEPTION_STATE";
|
case BFD_MACH_O_i386_THREAD_FPSTATE: return "i386_THREAD_FPSTATE";
|
case BFD_MACH_O_x86_DEBUG_STATE32: return "x86_DEBUG_STATE32";
|
case BFD_MACH_O_i386_THREAD_EXCEPTSTATE: return "i386_THREAD_EXCEPTSTATE";
|
case BFD_MACH_O_x86_DEBUG_STATE64: return "x86_DEBUG_STATE64";
|
case BFD_MACH_O_i386_THREAD_CTHREADSTATE: return "i386_THREAD_CTHREADSTATE";
|
case BFD_MACH_O_x86_DEBUG_STATE: return "x86_DEBUG_STATE";
|
|
case BFD_MACH_O_x86_THREAD_STATE_NONE: return "x86_THREAD_STATE_NONE";
|
default: return "UNKNOWN";
|
default: return "UNKNOWN";
|
}
|
}
|
}
|
}
|
|
|
static const char *
|
static const char *
|
bfd_mach_o_ppc_flavour_string (unsigned int flavour)
|
bfd_mach_o_ppc_flavour_string (unsigned int flavour)
|
{
|
{
|
switch ((int) flavour)
|
switch ((int) flavour)
|
{
|
{
|
case BFD_MACH_O_PPC_THREAD_STATE: return "PPC_THREAD_STATE";
|
case BFD_MACH_O_PPC_THREAD_STATE: return "PPC_THREAD_STATE";
|
case BFD_MACH_O_PPC_FLOAT_STATE: return "PPC_FLOAT_STATE";
|
case BFD_MACH_O_PPC_FLOAT_STATE: return "PPC_FLOAT_STATE";
|
case BFD_MACH_O_PPC_EXCEPTION_STATE: return "PPC_EXCEPTION_STATE";
|
case BFD_MACH_O_PPC_EXCEPTION_STATE: return "PPC_EXCEPTION_STATE";
|
case BFD_MACH_O_PPC_VECTOR_STATE: return "PPC_VECTOR_STATE";
|
case BFD_MACH_O_PPC_VECTOR_STATE: return "PPC_VECTOR_STATE";
|
|
case BFD_MACH_O_PPC_THREAD_STATE64: return "PPC_THREAD_STATE64";
|
|
case BFD_MACH_O_PPC_EXCEPTION_STATE64: return "PPC_EXCEPTION_STATE64";
|
default: return "UNKNOWN";
|
default: return "UNKNOWN";
|
}
|
}
|
}
|
}
|
|
|
static int
|
static int
|
bfd_mach_o_scan_read_dylinker (bfd *abfd,
|
bfd_mach_o_scan_read_dylinker (bfd *abfd,
|
bfd_mach_o_load_command *command)
|
bfd_mach_o_load_command *command)
|
{
|
{
|
bfd_mach_o_dylinker_command *cmd = &command->command.dylinker;
|
bfd_mach_o_dylinker_command *cmd = &command->command.dylinker;
|
unsigned char buf[4];
|
unsigned char buf[4];
|
unsigned int nameoff;
|
unsigned int nameoff;
|
asection *bfdsec;
|
|
char *sname;
|
|
const char *prefix;
|
|
|
|
BFD_ASSERT ((command->type == BFD_MACH_O_LC_ID_DYLINKER)
|
BFD_ASSERT ((command->type == BFD_MACH_O_LC_ID_DYLINKER)
|
|| (command->type == BFD_MACH_O_LC_LOAD_DYLINKER));
|
|| (command->type == BFD_MACH_O_LC_LOAD_DYLINKER));
|
|
|
bfd_seek (abfd, command->offset + 8, SEEK_SET);
|
if (bfd_seek (abfd, command->offset + 8, SEEK_SET) != 0
|
if (bfd_bread ((PTR) buf, 4, abfd) != 4)
|
|| bfd_bread ((PTR) buf, 4, abfd) != 4)
|
return -1;
|
return -1;
|
|
|
nameoff = bfd_h_get_32 (abfd, buf + 0);
|
nameoff = bfd_h_get_32 (abfd, buf + 0);
|
|
|
cmd->name_offset = command->offset + nameoff;
|
cmd->name_offset = command->offset + nameoff;
|
cmd->name_len = command->len - nameoff;
|
cmd->name_len = command->len - nameoff;
|
|
cmd->name_str = bfd_alloc (abfd, cmd->name_len);
|
if (command->type == BFD_MACH_O_LC_LOAD_DYLINKER)
|
if (cmd->name_str == NULL)
|
prefix = "LC_LOAD_DYLINKER";
|
|
else if (command->type == BFD_MACH_O_LC_ID_DYLINKER)
|
|
prefix = "LC_ID_DYLINKER";
|
|
else
|
|
abort ();
|
|
|
|
sname = bfd_alloc (abfd, strlen (prefix) + 1);
|
|
if (sname == NULL)
|
|
return -1;
|
return -1;
|
strcpy (sname, prefix);
|
if (bfd_seek (abfd, cmd->name_offset, SEEK_SET) != 0
|
|
|| bfd_bread (cmd->name_str, cmd->name_len, abfd) != cmd->name_len)
|
bfdsec = bfd_make_section_anyway_with_flags (abfd, sname, SEC_HAS_CONTENTS);
|
|
if (bfdsec == NULL)
|
|
return -1;
|
return -1;
|
|
|
bfdsec->vma = 0;
|
|
bfdsec->lma = 0;
|
|
bfdsec->size = command->len - 8;
|
|
bfdsec->filepos = command->offset + 8;
|
|
bfdsec->alignment_power = 0;
|
|
|
|
cmd->section = bfdsec;
|
|
|
|
return 0;
|
return 0;
|
}
|
}
|
|
|
static int
|
static int
|
bfd_mach_o_scan_read_dylib (bfd *abfd, bfd_mach_o_load_command *command)
|
bfd_mach_o_scan_read_dylib (bfd *abfd, bfd_mach_o_load_command *command)
|
{
|
{
|
bfd_mach_o_dylib_command *cmd = &command->command.dylib;
|
bfd_mach_o_dylib_command *cmd = &command->command.dylib;
|
unsigned char buf[16];
|
unsigned char buf[16];
|
unsigned int nameoff;
|
unsigned int nameoff;
|
asection *bfdsec;
|
|
char *sname;
|
|
const char *prefix;
|
|
|
|
BFD_ASSERT ((command->type == BFD_MACH_O_LC_ID_DYLIB)
|
switch (command->type)
|
|| (command->type == BFD_MACH_O_LC_LOAD_DYLIB)
|
{
|
|| (command->type == BFD_MACH_O_LC_LOAD_WEAK_DYLIB));
|
case BFD_MACH_O_LC_LOAD_DYLIB:
|
|
case BFD_MACH_O_LC_LOAD_WEAK_DYLIB:
|
|
case BFD_MACH_O_LC_ID_DYLIB:
|
|
case BFD_MACH_O_LC_REEXPORT_DYLIB:
|
|
break;
|
|
default:
|
|
BFD_FAIL ();
|
|
return -1;
|
|
}
|
|
|
bfd_seek (abfd, command->offset + 8, SEEK_SET);
|
if (bfd_seek (abfd, command->offset + 8, SEEK_SET) != 0
|
if (bfd_bread ((PTR) buf, 16, abfd) != 16)
|
|| bfd_bread ((PTR) buf, 16, abfd) != 16)
|
return -1;
|
return -1;
|
|
|
nameoff = bfd_h_get_32 (abfd, buf + 0);
|
nameoff = bfd_h_get_32 (abfd, buf + 0);
|
cmd->timestamp = bfd_h_get_32 (abfd, buf + 4);
|
cmd->timestamp = bfd_h_get_32 (abfd, buf + 4);
|
cmd->current_version = bfd_h_get_32 (abfd, buf + 8);
|
cmd->current_version = bfd_h_get_32 (abfd, buf + 8);
|
cmd->compatibility_version = bfd_h_get_32 (abfd, buf + 12);
|
cmd->compatibility_version = bfd_h_get_32 (abfd, buf + 12);
|
|
|
cmd->name_offset = command->offset + nameoff;
|
cmd->name_offset = command->offset + nameoff;
|
cmd->name_len = command->len - nameoff;
|
cmd->name_len = command->len - nameoff;
|
|
cmd->name_str = bfd_alloc (abfd, cmd->name_len);
|
if (command->type == BFD_MACH_O_LC_LOAD_DYLIB)
|
if (cmd->name_str == NULL)
|
prefix = "LC_LOAD_DYLIB";
|
|
else if (command->type == BFD_MACH_O_LC_LOAD_WEAK_DYLIB)
|
|
prefix = "LC_LOAD_WEAK_DYLIB";
|
|
else if (command->type == BFD_MACH_O_LC_ID_DYLIB)
|
|
prefix = "LC_ID_DYLIB";
|
|
else
|
|
abort ();
|
|
|
|
sname = bfd_alloc (abfd, strlen (prefix) + 1);
|
|
if (sname == NULL)
|
|
return -1;
|
return -1;
|
strcpy (sname, prefix);
|
if (bfd_seek (abfd, cmd->name_offset, SEEK_SET) != 0
|
|
|| bfd_bread (cmd->name_str, cmd->name_len, abfd) != cmd->name_len)
|
bfdsec = bfd_make_section_anyway_with_flags (abfd, sname, SEC_HAS_CONTENTS);
|
|
if (bfdsec == NULL)
|
|
return -1;
|
return -1;
|
|
|
bfdsec->vma = 0;
|
|
bfdsec->lma = 0;
|
|
bfdsec->size = command->len - 8;
|
|
bfdsec->filepos = command->offset + 8;
|
|
bfdsec->alignment_power = 0;
|
|
|
|
cmd->section = bfdsec;
|
|
|
|
return 0;
|
return 0;
|
}
|
}
|
|
|
static int
|
static int
|
bfd_mach_o_scan_read_prebound_dylib (bfd *abfd ATTRIBUTE_UNUSED,
|
bfd_mach_o_scan_read_prebound_dylib (bfd *abfd ATTRIBUTE_UNUSED,
|
bfd_mach_o_load_command *command ATTRIBUTE_UNUSED)
|
bfd_mach_o_load_command *command ATTRIBUTE_UNUSED)
|
{
|
{
|
/* bfd_mach_o_prebound_dylib_command *cmd = &command->command.prebound_dylib; */
|
/* bfd_mach_o_prebound_dylib_command *cmd = &command->command.prebound_dylib; */
|
|
|
BFD_ASSERT (command->type == BFD_MACH_O_LC_PREBOUND_DYLIB);
|
BFD_ASSERT (command->type == BFD_MACH_O_LC_PREBOUND_DYLIB);
|
return 0;
|
return 0;
|
}
|
}
|
|
|
static int
|
static int
|
bfd_mach_o_scan_read_thread (bfd *abfd, bfd_mach_o_load_command *command)
|
bfd_mach_o_scan_read_thread (bfd *abfd, bfd_mach_o_load_command *command)
|
{
|
{
|
bfd_mach_o_data_struct *mdata = NULL;
|
bfd_mach_o_data_struct *mdata = bfd_mach_o_get_data (abfd);
|
bfd_mach_o_thread_command *cmd = &command->command.thread;
|
bfd_mach_o_thread_command *cmd = &command->command.thread;
|
unsigned char buf[8];
|
unsigned char buf[8];
|
bfd_vma offset;
|
unsigned int offset;
|
unsigned int nflavours;
|
unsigned int nflavours;
|
unsigned int i;
|
unsigned int i;
|
|
|
BFD_ASSERT ((command->type == BFD_MACH_O_LC_THREAD)
|
BFD_ASSERT ((command->type == BFD_MACH_O_LC_THREAD)
|
|| (command->type == BFD_MACH_O_LC_UNIXTHREAD));
|
|| (command->type == BFD_MACH_O_LC_UNIXTHREAD));
|
|
|
BFD_ASSERT (bfd_mach_o_valid (abfd));
|
/* Count the number of threads. */
|
mdata = abfd->tdata.mach_o_data;
|
|
|
|
offset = 8;
|
offset = 8;
|
nflavours = 0;
|
nflavours = 0;
|
while (offset != command->len)
|
while (offset != command->len)
|
{
|
{
|
if (offset >= command->len)
|
if (offset >= command->len)
|
return -1;
|
return -1;
|
|
|
bfd_seek (abfd, command->offset + offset, SEEK_SET);
|
if (bfd_seek (abfd, command->offset + offset, SEEK_SET) != 0
|
|
|| bfd_bread ((PTR) buf, 8, abfd) != 8)
|
if (bfd_bread ((PTR) buf, 8, abfd) != 8)
|
|
return -1;
|
return -1;
|
|
|
offset += 8 + bfd_h_get_32 (abfd, buf + 4) * 4;
|
offset += 8 + bfd_h_get_32 (abfd, buf + 4) * 4;
|
nflavours++;
|
nflavours++;
|
}
|
}
|
|
|
cmd->flavours = bfd_alloc (abfd, nflavours * sizeof (bfd_mach_o_thread_flavour));
|
/* Allocate threads. */
|
|
cmd->flavours = bfd_alloc
|
|
(abfd, nflavours * sizeof (bfd_mach_o_thread_flavour));
|
if (cmd->flavours == NULL)
|
if (cmd->flavours == NULL)
|
return -1;
|
return -1;
|
cmd->nflavours = nflavours;
|
cmd->nflavours = nflavours;
|
|
|
offset = 8;
|
offset = 8;
|
nflavours = 0;
|
nflavours = 0;
|
while (offset != command->len)
|
while (offset != command->len)
|
{
|
{
|
if (offset >= command->len)
|
if (offset >= command->len)
|
return -1;
|
return -1;
|
|
|
if (nflavours >= cmd->nflavours)
|
if (nflavours >= cmd->nflavours)
|
return -1;
|
return -1;
|
|
|
bfd_seek (abfd, command->offset + offset, SEEK_SET);
|
if (bfd_seek (abfd, command->offset + offset, SEEK_SET) != 0
|
|
|| bfd_bread ((PTR) buf, 8, abfd) != 8)
|
if (bfd_bread ((PTR) buf, 8, abfd) != 8)
|
|
return -1;
|
return -1;
|
|
|
cmd->flavours[nflavours].flavour = bfd_h_get_32 (abfd, buf);
|
cmd->flavours[nflavours].flavour = bfd_h_get_32 (abfd, buf);
|
cmd->flavours[nflavours].offset = command->offset + offset + 8;
|
cmd->flavours[nflavours].offset = command->offset + offset + 8;
|
cmd->flavours[nflavours].size = bfd_h_get_32 (abfd, buf + 4) * 4;
|
cmd->flavours[nflavours].size = bfd_h_get_32 (abfd, buf + 4) * 4;
|
offset += cmd->flavours[nflavours].size + 8;
|
offset += cmd->flavours[nflavours].size + 8;
|
nflavours++;
|
nflavours++;
|
}
|
}
|
|
|
for (i = 0; i < nflavours; i++)
|
for (i = 0; i < nflavours; i++)
|
{
|
{
|
asection *bfdsec;
|
asection *bfdsec;
|
unsigned int snamelen;
|
unsigned int snamelen;
|
char *sname;
|
char *sname;
|
const char *flavourstr;
|
const char *flavourstr;
|
const char *prefix = "LC_THREAD";
|
const char *prefix = "LC_THREAD";
|
unsigned int j = 0;
|
unsigned int j = 0;
|
|
|
switch (mdata->header.cputype)
|
switch (mdata->header.cputype)
|
{
|
{
|
case BFD_MACH_O_CPU_TYPE_POWERPC:
|
case BFD_MACH_O_CPU_TYPE_POWERPC:
|
|
case BFD_MACH_O_CPU_TYPE_POWERPC_64:
|
flavourstr = bfd_mach_o_ppc_flavour_string (cmd->flavours[i].flavour);
|
flavourstr = bfd_mach_o_ppc_flavour_string (cmd->flavours[i].flavour);
|
break;
|
break;
|
case BFD_MACH_O_CPU_TYPE_I386:
|
case BFD_MACH_O_CPU_TYPE_I386:
|
|
case BFD_MACH_O_CPU_TYPE_X86_64:
|
flavourstr = bfd_mach_o_i386_flavour_string (cmd->flavours[i].flavour);
|
flavourstr = bfd_mach_o_i386_flavour_string (cmd->flavours[i].flavour);
|
break;
|
break;
|
default:
|
default:
|
flavourstr = "UNKNOWN_ARCHITECTURE";
|
flavourstr = "UNKNOWN_ARCHITECTURE";
|
break;
|
break;
|
}
|
}
|
|
|
snamelen = strlen (prefix) + 1 + 20 + 1 + strlen (flavourstr) + 1;
|
snamelen = strlen (prefix) + 1 + 20 + 1 + strlen (flavourstr) + 1;
|
sname = bfd_alloc (abfd, snamelen);
|
sname = bfd_alloc (abfd, snamelen);
|
if (sname == NULL)
|
if (sname == NULL)
|
return -1;
|
return -1;
|
|
|
for (;;)
|
for (;;)
|
{
|
{
|
sprintf (sname, "%s.%s.%u", prefix, flavourstr, j);
|
sprintf (sname, "%s.%s.%u", prefix, flavourstr, j);
|
if (bfd_get_section_by_name (abfd, sname) == NULL)
|
if (bfd_get_section_by_name (abfd, sname) == NULL)
|
break;
|
break;
|
j++;
|
j++;
|
}
|
}
|
|
|
bfdsec = bfd_make_section_with_flags (abfd, sname, SEC_HAS_CONTENTS);
|
bfdsec = bfd_make_section_with_flags (abfd, sname, SEC_HAS_CONTENTS);
|
|
|
bfdsec->vma = 0;
|
bfdsec->vma = 0;
|
bfdsec->lma = 0;
|
bfdsec->lma = 0;
|
bfdsec->size = cmd->flavours[i].size;
|
bfdsec->size = cmd->flavours[i].size;
|
bfdsec->filepos = cmd->flavours[i].offset;
|
bfdsec->filepos = cmd->flavours[i].offset;
|
bfdsec->alignment_power = 0x0;
|
bfdsec->alignment_power = 0x0;
|
|
|
cmd->section = bfdsec;
|
cmd->section = bfdsec;
|
}
|
}
|
|
|
return 0;
|
return 0;
|
}
|
}
|
|
|
static int
|
static int
|
bfd_mach_o_scan_read_dysymtab (bfd *abfd, bfd_mach_o_load_command *command)
|
bfd_mach_o_scan_read_dysymtab (bfd *abfd, bfd_mach_o_load_command *command)
|
{
|
{
|
bfd_mach_o_dysymtab_command *seg = &command->command.dysymtab;
|
bfd_mach_o_dysymtab_command *cmd = &command->command.dysymtab;
|
|
bfd_mach_o_data_struct *mdata = bfd_mach_o_get_data (abfd);
|
unsigned char buf[72];
|
unsigned char buf[72];
|
|
|
BFD_ASSERT (command->type == BFD_MACH_O_LC_DYSYMTAB);
|
BFD_ASSERT (command->type == BFD_MACH_O_LC_DYSYMTAB);
|
|
|
bfd_seek (abfd, command->offset + 8, SEEK_SET);
|
if (bfd_seek (abfd, command->offset + 8, SEEK_SET) != 0
|
if (bfd_bread ((PTR) buf, 72, abfd) != 72)
|
|| bfd_bread ((PTR) buf, 72, abfd) != 72)
|
|
return -1;
|
|
|
|
cmd->ilocalsym = bfd_h_get_32 (abfd, buf + 0);
|
|
cmd->nlocalsym = bfd_h_get_32 (abfd, buf + 4);
|
|
cmd->iextdefsym = bfd_h_get_32 (abfd, buf + 8);
|
|
cmd->nextdefsym = bfd_h_get_32 (abfd, buf + 12);
|
|
cmd->iundefsym = bfd_h_get_32 (abfd, buf + 16);
|
|
cmd->nundefsym = bfd_h_get_32 (abfd, buf + 20);
|
|
cmd->tocoff = bfd_h_get_32 (abfd, buf + 24);
|
|
cmd->ntoc = bfd_h_get_32 (abfd, buf + 28);
|
|
cmd->modtaboff = bfd_h_get_32 (abfd, buf + 32);
|
|
cmd->nmodtab = bfd_h_get_32 (abfd, buf + 36);
|
|
cmd->extrefsymoff = bfd_h_get_32 (abfd, buf + 40);
|
|
cmd->nextrefsyms = bfd_h_get_32 (abfd, buf + 44);
|
|
cmd->indirectsymoff = bfd_h_get_32 (abfd, buf + 48);
|
|
cmd->nindirectsyms = bfd_h_get_32 (abfd, buf + 52);
|
|
cmd->extreloff = bfd_h_get_32 (abfd, buf + 56);
|
|
cmd->nextrel = bfd_h_get_32 (abfd, buf + 60);
|
|
cmd->locreloff = bfd_h_get_32 (abfd, buf + 64);
|
|
cmd->nlocrel = bfd_h_get_32 (abfd, buf + 68);
|
|
|
|
if (cmd->nmodtab != 0)
|
|
{
|
|
char buf[56];
|
|
unsigned int i;
|
|
int wide = bfd_mach_o_wide_p (abfd);
|
|
unsigned int module_len = wide ? 56 : 52;
|
|
|
|
cmd->dylib_module =
|
|
bfd_alloc (abfd, cmd->nmodtab * sizeof (bfd_mach_o_dylib_module));
|
|
if (cmd->dylib_module == NULL)
|
|
return -1;
|
|
|
|
if (bfd_seek (abfd, cmd->modtaboff, SEEK_SET) != 0)
|
|
return -1;
|
|
|
|
for (i = 0; i < cmd->nmodtab; i++)
|
|
{
|
|
bfd_mach_o_dylib_module *module = &cmd->dylib_module[i];
|
|
unsigned long v;
|
|
|
|
if (bfd_bread ((PTR) buf, module_len, abfd) != module_len)
|
|
return -1;
|
|
|
|
module->module_name_idx = bfd_h_get_32 (abfd, buf + 0);
|
|
module->iextdefsym = bfd_h_get_32 (abfd, buf + 4);
|
|
module->nextdefsym = bfd_h_get_32 (abfd, buf + 8);
|
|
module->irefsym = bfd_h_get_32 (abfd, buf + 12);
|
|
module->nrefsym = bfd_h_get_32 (abfd, buf + 16);
|
|
module->ilocalsym = bfd_h_get_32 (abfd, buf + 20);
|
|
module->nlocalsym = bfd_h_get_32 (abfd, buf + 24);
|
|
module->iextrel = bfd_h_get_32 (abfd, buf + 28);
|
|
module->nextrel = bfd_h_get_32 (abfd, buf + 32);
|
|
v = bfd_h_get_32 (abfd, buf +36);
|
|
module->iinit = v & 0xffff;
|
|
module->iterm = (v >> 16) & 0xffff;
|
|
v = bfd_h_get_32 (abfd, buf + 40);
|
|
module->ninit = v & 0xffff;
|
|
module->nterm = (v >> 16) & 0xffff;
|
|
if (wide)
|
|
{
|
|
module->objc_module_info_size = bfd_h_get_32 (abfd, buf + 44);
|
|
module->objc_module_info_addr = bfd_h_get_64 (abfd, buf + 48);
|
|
}
|
|
else
|
|
{
|
|
module->objc_module_info_addr = bfd_h_get_32 (abfd, buf + 44);
|
|
module->objc_module_info_size = bfd_h_get_32 (abfd, buf + 48);
|
|
}
|
|
}
|
|
}
|
|
|
|
if (cmd->ntoc != 0)
|
|
{
|
|
char buf[8];
|
|
unsigned int i;
|
|
|
|
cmd->dylib_toc = bfd_alloc
|
|
(abfd, cmd->ntoc * sizeof (bfd_mach_o_dylib_table_of_content));
|
|
if (cmd->dylib_toc == NULL)
|
|
return -1;
|
|
|
|
if (bfd_seek (abfd, cmd->tocoff, SEEK_SET) != 0)
|
|
return -1;
|
|
|
|
for (i = 0; i < cmd->ntoc; i++)
|
|
{
|
|
bfd_mach_o_dylib_table_of_content *toc = &cmd->dylib_toc[i];
|
|
|
|
if (bfd_bread ((PTR) buf, 8, abfd) != 8)
|
|
return -1;
|
|
|
|
toc->symbol_index = bfd_h_get_32 (abfd, buf + 0);
|
|
toc->module_index = bfd_h_get_32 (abfd, buf + 4);
|
|
}
|
|
}
|
|
|
|
if (cmd->nindirectsyms != 0)
|
|
{
|
|
char buf[4];
|
|
unsigned int i;
|
|
|
|
cmd->indirect_syms = bfd_alloc
|
|
(abfd, cmd->nindirectsyms * sizeof (unsigned int));
|
|
if (cmd->indirect_syms == NULL)
|
|
return -1;
|
|
|
|
if (bfd_seek (abfd, cmd->indirectsymoff, SEEK_SET) != 0)
|
|
return -1;
|
|
|
|
for (i = 0; i < cmd->nindirectsyms; i++)
|
|
{
|
|
unsigned int *is = &cmd->indirect_syms[i];
|
|
|
|
if (bfd_bread ((PTR) buf, 4, abfd) != 4)
|
|
return -1;
|
|
|
|
*is = bfd_h_get_32 (abfd, buf + 0);
|
|
}
|
|
}
|
|
|
|
if (cmd->nextrefsyms != 0)
|
|
{
|
|
char buf[4];
|
|
unsigned long v;
|
|
unsigned int i;
|
|
|
|
cmd->ext_refs = bfd_alloc
|
|
(abfd, cmd->nextrefsyms * sizeof (bfd_mach_o_dylib_reference));
|
|
if (cmd->ext_refs == NULL)
|
|
return -1;
|
|
|
|
if (bfd_seek (abfd, cmd->extrefsymoff, SEEK_SET) != 0)
|
|
return -1;
|
|
|
|
for (i = 0; i < cmd->nextrefsyms; i++)
|
|
{
|
|
bfd_mach_o_dylib_reference *ref = &cmd->ext_refs[i];
|
|
|
|
if (bfd_bread ((PTR) buf, 4, abfd) != 4)
|
return -1;
|
return -1;
|
|
|
seg->ilocalsym = bfd_h_get_32 (abfd, buf + 0);
|
/* Fields isym and flags are written as bit-fields, thus we need
|
seg->nlocalsym = bfd_h_get_32 (abfd, buf + 4);
|
a specific processing for endianness. */
|
seg->iextdefsym = bfd_h_get_32 (abfd, buf + 8);
|
v = bfd_h_get_32 (abfd, buf + 0);
|
seg->nextdefsym = bfd_h_get_32 (abfd, buf + 12);
|
if (bfd_big_endian (abfd))
|
seg->iundefsym = bfd_h_get_32 (abfd, buf + 16);
|
{
|
seg->nundefsym = bfd_h_get_32 (abfd, buf + 20);
|
ref->isym = (v >> 8) & 0xffffff;
|
seg->tocoff = bfd_h_get_32 (abfd, buf + 24);
|
ref->flags = v & 0xff;
|
seg->ntoc = bfd_h_get_32 (abfd, buf + 28);
|
}
|
seg->modtaboff = bfd_h_get_32 (abfd, buf + 32);
|
else
|
seg->nmodtab = bfd_h_get_32 (abfd, buf + 36);
|
{
|
seg->extrefsymoff = bfd_h_get_32 (abfd, buf + 40);
|
ref->isym = v & 0xffffff;
|
seg->nextrefsyms = bfd_h_get_32 (abfd, buf + 44);
|
ref->flags = (v >> 24) & 0xff;
|
seg->indirectsymoff = bfd_h_get_32 (abfd, buf + 48);
|
}
|
seg->nindirectsyms = bfd_h_get_32 (abfd, buf + 52);
|
}
|
seg->extreloff = bfd_h_get_32 (abfd, buf + 56);
|
}
|
seg->nextrel = bfd_h_get_32 (abfd, buf + 60);
|
|
seg->locreloff = bfd_h_get_32 (abfd, buf + 64);
|
if (mdata->dysymtab)
|
seg->nlocrel = bfd_h_get_32 (abfd, buf + 68);
|
return -1;
|
|
mdata->dysymtab = cmd;
|
|
|
return 0;
|
return 0;
|
}
|
}
|
|
|
static int
|
static int
|
bfd_mach_o_scan_read_symtab (bfd *abfd, bfd_mach_o_load_command *command)
|
bfd_mach_o_scan_read_symtab (bfd *abfd, bfd_mach_o_load_command *command)
|
{
|
{
|
bfd_mach_o_symtab_command *seg = &command->command.symtab;
|
bfd_mach_o_symtab_command *symtab = &command->command.symtab;
|
|
bfd_mach_o_data_struct *mdata = bfd_mach_o_get_data (abfd);
|
unsigned char buf[16];
|
unsigned char buf[16];
|
asection *bfdsec;
|
|
char *sname;
|
|
const char *prefix = "LC_SYMTAB.stabs";
|
|
|
|
BFD_ASSERT (command->type == BFD_MACH_O_LC_SYMTAB);
|
BFD_ASSERT (command->type == BFD_MACH_O_LC_SYMTAB);
|
|
|
bfd_seek (abfd, command->offset + 8, SEEK_SET);
|
if (bfd_seek (abfd, command->offset + 8, SEEK_SET) != 0
|
if (bfd_bread ((PTR) buf, 16, abfd) != 16)
|
|| bfd_bread ((PTR) buf, 16, abfd) != 16)
|
return -1;
|
return -1;
|
|
|
seg->symoff = bfd_h_get_32 (abfd, buf);
|
symtab->symoff = bfd_h_get_32 (abfd, buf);
|
seg->nsyms = bfd_h_get_32 (abfd, buf + 4);
|
symtab->nsyms = bfd_h_get_32 (abfd, buf + 4);
|
seg->stroff = bfd_h_get_32 (abfd, buf + 8);
|
symtab->stroff = bfd_h_get_32 (abfd, buf + 8);
|
seg->strsize = bfd_h_get_32 (abfd, buf + 12);
|
symtab->strsize = bfd_h_get_32 (abfd, buf + 12);
|
seg->symbols = NULL;
|
symtab->symbols = NULL;
|
seg->strtab = NULL;
|
symtab->strtab = NULL;
|
|
|
sname = bfd_alloc (abfd, strlen (prefix) + 1);
|
if (symtab->nsyms != 0)
|
if (sname == NULL)
|
abfd->flags |= HAS_SYMS;
|
return -1;
|
|
strcpy (sname, prefix);
|
|
|
|
bfdsec = bfd_make_section_anyway_with_flags (abfd, sname, SEC_HAS_CONTENTS);
|
if (mdata->symtab)
|
if (bfdsec == NULL)
|
|
return -1;
|
return -1;
|
|
mdata->symtab = symtab;
|
|
return 0;
|
|
}
|
|
|
bfdsec->vma = 0;
|
static int
|
bfdsec->lma = 0;
|
bfd_mach_o_scan_read_uuid (bfd *abfd, bfd_mach_o_load_command *command)
|
bfdsec->size = seg->nsyms * 12;
|
{
|
bfdsec->filepos = seg->symoff;
|
bfd_mach_o_uuid_command *cmd = &command->command.uuid;
|
bfdsec->alignment_power = 0;
|
asection *bfdsec;
|
|
char *sname;
|
|
static const char prefix[] = "LC_UUID";
|
|
|
seg->stabs_segment = bfdsec;
|
BFD_ASSERT (command->type == BFD_MACH_O_LC_UUID);
|
|
|
|
if (bfd_seek (abfd, command->offset + 8, SEEK_SET) != 0
|
|
|| bfd_bread ((PTR) cmd->uuid, 16, abfd) != 16)
|
|
return -1;
|
|
|
prefix = "LC_SYMTAB.stabstr";
|
|
sname = bfd_alloc (abfd, strlen (prefix) + 1);
|
sname = bfd_alloc (abfd, strlen (prefix) + 1);
|
if (sname == NULL)
|
if (sname == NULL)
|
return -1;
|
return -1;
|
strcpy (sname, prefix);
|
strcpy (sname, prefix);
|
|
|
bfdsec = bfd_make_section_anyway_with_flags (abfd, sname, SEC_HAS_CONTENTS);
|
bfdsec = bfd_make_section_anyway_with_flags (abfd, sname, SEC_HAS_CONTENTS);
|
if (bfdsec == NULL)
|
if (bfdsec == NULL)
|
return -1;
|
return -1;
|
|
|
bfdsec->vma = 0;
|
bfdsec->vma = 0;
|
bfdsec->lma = 0;
|
bfdsec->lma = 0;
|
bfdsec->size = seg->strsize;
|
bfdsec->size = command->len - 8;
|
bfdsec->filepos = seg->stroff;
|
bfdsec->filepos = command->offset + 8;
|
bfdsec->alignment_power = 0;
|
bfdsec->alignment_power = 0;
|
|
|
seg->stabstr_segment = bfdsec;
|
cmd->section = bfdsec;
|
|
|
|
return 0;
|
|
}
|
|
|
|
static int
|
|
bfd_mach_o_scan_read_linkedit (bfd *abfd, bfd_mach_o_load_command *command)
|
|
{
|
|
bfd_mach_o_linkedit_command *cmd = &command->command.linkedit;
|
|
char buf[8];
|
|
|
|
if (bfd_seek (abfd, command->offset + 8, SEEK_SET) != 0
|
|
|| bfd_bread ((PTR) buf, 8, abfd) != 8)
|
|
return -1;
|
|
|
|
cmd->dataoff = bfd_get_32 (abfd, buf + 0);
|
|
cmd->datasize = bfd_get_32 (abfd, buf + 4);
|
|
return 0;
|
|
}
|
|
|
|
static int
|
|
bfd_mach_o_scan_read_str (bfd *abfd, bfd_mach_o_load_command *command)
|
|
{
|
|
bfd_mach_o_str_command *cmd = &command->command.str;
|
|
char buf[8];
|
|
unsigned long off;
|
|
|
|
if (bfd_seek (abfd, command->offset + 8, SEEK_SET) != 0
|
|
|| bfd_bread ((PTR) buf, 4, abfd) != 4)
|
|
return -1;
|
|
|
|
off = bfd_get_32 (abfd, buf + 0);
|
|
cmd->stroff = command->offset + off;
|
|
cmd->str_len = command->len - off;
|
|
cmd->str = bfd_alloc (abfd, cmd->str_len);
|
|
if (cmd->str == NULL)
|
|
return -1;
|
|
if (bfd_seek (abfd, cmd->stroff, SEEK_SET) != 0
|
|
|| bfd_bread ((PTR) cmd->str, cmd->str_len, abfd) != cmd->str_len)
|
|
return -1;
|
return 0;
|
return 0;
|
}
|
}
|
|
|
static int
|
static int
|
bfd_mach_o_scan_read_segment (bfd *abfd, bfd_mach_o_load_command *command)
|
bfd_mach_o_scan_read_segment (bfd *abfd,
|
|
bfd_mach_o_load_command *command,
|
|
unsigned int wide)
|
{
|
{
|
unsigned char buf[48];
|
unsigned char buf[64];
|
bfd_mach_o_segment_command *seg = &command->command.segment;
|
bfd_mach_o_segment_command *seg = &command->command.segment;
|
unsigned long i;
|
unsigned long i;
|
asection *bfdsec;
|
|
char *sname;
|
|
const char *prefix = "LC_SEGMENT";
|
|
unsigned int snamelen;
|
|
flagword flags;
|
|
|
|
|
if (wide)
|
|
{
|
|
BFD_ASSERT (command->type == BFD_MACH_O_LC_SEGMENT_64);
|
|
|
|
if (bfd_seek (abfd, command->offset + 8, SEEK_SET) != 0
|
|
|| bfd_bread ((PTR) buf, 64, abfd) != 64)
|
|
return -1;
|
|
|
|
memcpy (seg->segname, buf, 16);
|
|
seg->segname[16] = '\0';
|
|
|
|
seg->vmaddr = bfd_h_get_64 (abfd, buf + 16);
|
|
seg->vmsize = bfd_h_get_64 (abfd, buf + 24);
|
|
seg->fileoff = bfd_h_get_64 (abfd, buf + 32);
|
|
seg->filesize = bfd_h_get_64 (abfd, buf + 40);
|
|
seg->maxprot = bfd_h_get_32 (abfd, buf + 48);
|
|
seg->initprot = bfd_h_get_32 (abfd, buf + 52);
|
|
seg->nsects = bfd_h_get_32 (abfd, buf + 56);
|
|
seg->flags = bfd_h_get_32 (abfd, buf + 60);
|
|
}
|
|
else
|
|
{
|
BFD_ASSERT (command->type == BFD_MACH_O_LC_SEGMENT);
|
BFD_ASSERT (command->type == BFD_MACH_O_LC_SEGMENT);
|
|
|
bfd_seek (abfd, command->offset + 8, SEEK_SET);
|
if (bfd_seek (abfd, command->offset + 8, SEEK_SET) != 0
|
if (bfd_bread ((PTR) buf, 48, abfd) != 48)
|
|| bfd_bread ((PTR) buf, 48, abfd) != 48)
|
return -1;
|
return -1;
|
|
|
memcpy (seg->segname, buf, 16);
|
memcpy (seg->segname, buf, 16);
|
|
seg->segname[16] = '\0';
|
|
|
seg->vmaddr = bfd_h_get_32 (abfd, buf + 16);
|
seg->vmaddr = bfd_h_get_32 (abfd, buf + 16);
|
seg->vmsize = bfd_h_get_32 (abfd, buf + 20);
|
seg->vmsize = bfd_h_get_32 (abfd, buf + 20);
|
seg->fileoff = bfd_h_get_32 (abfd, buf + 24);
|
seg->fileoff = bfd_h_get_32 (abfd, buf + 24);
|
seg->filesize = bfd_h_get_32 (abfd, buf + 28);
|
seg->filesize = bfd_h_get_32 (abfd, buf + 28);
|
/* seg->maxprot = bfd_h_get_32 (abfd, buf + 32); */
|
seg->maxprot = bfd_h_get_32 (abfd, buf + 32);
|
/* seg->initprot = bfd_h_get_32 (abfd, buf + 36); */
|
seg->initprot = bfd_h_get_32 (abfd, buf + 36);
|
seg->nsects = bfd_h_get_32 (abfd, buf + 40);
|
seg->nsects = bfd_h_get_32 (abfd, buf + 40);
|
seg->flags = bfd_h_get_32 (abfd, buf + 44);
|
seg->flags = bfd_h_get_32 (abfd, buf + 44);
|
|
}
|
snamelen = strlen (prefix) + 1 + strlen (seg->segname) + 1;
|
|
sname = bfd_alloc (abfd, snamelen);
|
|
if (sname == NULL)
|
|
return -1;
|
|
sprintf (sname, "%s.%s", prefix, seg->segname);
|
|
|
|
flags = SEC_HAS_CONTENTS | SEC_LOAD | SEC_ALLOC | SEC_CODE;
|
|
bfdsec = bfd_make_section_anyway_with_flags (abfd, sname, flags);
|
|
if (bfdsec == NULL)
|
|
return -1;
|
|
|
|
bfdsec->vma = seg->vmaddr;
|
|
bfdsec->lma = seg->vmaddr;
|
|
bfdsec->size = seg->filesize;
|
|
bfdsec->filepos = seg->fileoff;
|
|
bfdsec->alignment_power = 0x0;
|
|
|
|
seg->segment = bfdsec;
|
|
|
|
if (seg->nsects != 0)
|
if (seg->nsects != 0)
|
{
|
{
|
seg->sections = bfd_alloc (abfd, seg->nsects * sizeof (bfd_mach_o_section));
|
seg->sections = bfd_alloc (abfd, seg->nsects
|
|
* sizeof (bfd_mach_o_section));
|
if (seg->sections == NULL)
|
if (seg->sections == NULL)
|
return -1;
|
return -1;
|
|
|
for (i = 0; i < seg->nsects; i++)
|
for (i = 0; i < seg->nsects; i++)
|
{
|
{
|
bfd_vma segoff = command->offset + 48 + 8 + (i * 68);
|
bfd_vma segoff;
|
|
if (wide)
|
|
segoff = command->offset + BFD_MACH_O_LC_SEGMENT_64_SIZE
|
|
+ (i * BFD_MACH_O_SECTION_64_SIZE);
|
|
else
|
|
segoff = command->offset + BFD_MACH_O_LC_SEGMENT_SIZE
|
|
+ (i * BFD_MACH_O_SECTION_SIZE);
|
|
|
if (bfd_mach_o_scan_read_section (abfd, &seg->sections[i],
|
if (bfd_mach_o_scan_read_section
|
segoff) != 0)
|
(abfd, &seg->sections[i], segoff, seg->initprot, wide) != 0)
|
return -1;
|
return -1;
|
}
|
}
|
}
|
}
|
|
|
return 0;
|
return 0;
|
}
|
}
|
|
|
static int
|
static int
|
|
bfd_mach_o_scan_read_segment_32 (bfd *abfd, bfd_mach_o_load_command *command)
|
|
{
|
|
return bfd_mach_o_scan_read_segment (abfd, command, 0);
|
|
}
|
|
|
|
static int
|
|
bfd_mach_o_scan_read_segment_64 (bfd *abfd, bfd_mach_o_load_command *command)
|
|
{
|
|
return bfd_mach_o_scan_read_segment (abfd, command, 1);
|
|
}
|
|
|
|
static int
|
bfd_mach_o_scan_read_command (bfd *abfd, bfd_mach_o_load_command *command)
|
bfd_mach_o_scan_read_command (bfd *abfd, bfd_mach_o_load_command *command)
|
{
|
{
|
unsigned char buf[8];
|
unsigned char buf[8];
|
|
|
bfd_seek (abfd, command->offset, SEEK_SET);
|
/* Read command type and length. */
|
if (bfd_bread ((PTR) buf, 8, abfd) != 8)
|
if (bfd_seek (abfd, command->offset, SEEK_SET) != 0
|
|
|| bfd_bread ((PTR) buf, 8, abfd) != 8)
|
return -1;
|
return -1;
|
|
|
command->type = (bfd_h_get_32 (abfd, buf) & ~BFD_MACH_O_LC_REQ_DYLD);
|
command->type = bfd_h_get_32 (abfd, buf) & ~BFD_MACH_O_LC_REQ_DYLD;
|
command->type_required = (bfd_h_get_32 (abfd, buf) & BFD_MACH_O_LC_REQ_DYLD
|
command->type_required = (bfd_h_get_32 (abfd, buf) & BFD_MACH_O_LC_REQ_DYLD
|
? 1 : 0);
|
? TRUE : FALSE);
|
command->len = bfd_h_get_32 (abfd, buf + 4);
|
command->len = bfd_h_get_32 (abfd, buf + 4);
|
|
|
switch (command->type)
|
switch (command->type)
|
{
|
{
|
case BFD_MACH_O_LC_SEGMENT:
|
case BFD_MACH_O_LC_SEGMENT:
|
if (bfd_mach_o_scan_read_segment (abfd, command) != 0)
|
if (bfd_mach_o_scan_read_segment_32 (abfd, command) != 0)
|
|
return -1;
|
|
break;
|
|
case BFD_MACH_O_LC_SEGMENT_64:
|
|
if (bfd_mach_o_scan_read_segment_64 (abfd, command) != 0)
|
return -1;
|
return -1;
|
break;
|
break;
|
case BFD_MACH_O_LC_SYMTAB:
|
case BFD_MACH_O_LC_SYMTAB:
|
if (bfd_mach_o_scan_read_symtab (abfd, command) != 0)
|
if (bfd_mach_o_scan_read_symtab (abfd, command) != 0)
|
return -1;
|
return -1;
|
break;
|
break;
|
case BFD_MACH_O_LC_SYMSEG:
|
case BFD_MACH_O_LC_SYMSEG:
|
break;
|
break;
|
case BFD_MACH_O_LC_THREAD:
|
case BFD_MACH_O_LC_THREAD:
|
case BFD_MACH_O_LC_UNIXTHREAD:
|
case BFD_MACH_O_LC_UNIXTHREAD:
|
if (bfd_mach_o_scan_read_thread (abfd, command) != 0)
|
if (bfd_mach_o_scan_read_thread (abfd, command) != 0)
|
return -1;
|
return -1;
|
break;
|
break;
|
case BFD_MACH_O_LC_LOAD_DYLINKER:
|
case BFD_MACH_O_LC_LOAD_DYLINKER:
|
case BFD_MACH_O_LC_ID_DYLINKER:
|
case BFD_MACH_O_LC_ID_DYLINKER:
|
if (bfd_mach_o_scan_read_dylinker (abfd, command) != 0)
|
if (bfd_mach_o_scan_read_dylinker (abfd, command) != 0)
|
return -1;
|
return -1;
|
break;
|
break;
|
case BFD_MACH_O_LC_LOAD_DYLIB:
|
case BFD_MACH_O_LC_LOAD_DYLIB:
|
case BFD_MACH_O_LC_ID_DYLIB:
|
case BFD_MACH_O_LC_ID_DYLIB:
|
case BFD_MACH_O_LC_LOAD_WEAK_DYLIB:
|
case BFD_MACH_O_LC_LOAD_WEAK_DYLIB:
|
|
case BFD_MACH_O_LC_REEXPORT_DYLIB:
|
if (bfd_mach_o_scan_read_dylib (abfd, command) != 0)
|
if (bfd_mach_o_scan_read_dylib (abfd, command) != 0)
|
return -1;
|
return -1;
|
break;
|
break;
|
case BFD_MACH_O_LC_PREBOUND_DYLIB:
|
case BFD_MACH_O_LC_PREBOUND_DYLIB:
|
if (bfd_mach_o_scan_read_prebound_dylib (abfd, command) != 0)
|
if (bfd_mach_o_scan_read_prebound_dylib (abfd, command) != 0)
|
return -1;
|
return -1;
|
break;
|
break;
|
case BFD_MACH_O_LC_LOADFVMLIB:
|
case BFD_MACH_O_LC_LOADFVMLIB:
|
case BFD_MACH_O_LC_IDFVMLIB:
|
case BFD_MACH_O_LC_IDFVMLIB:
|
case BFD_MACH_O_LC_IDENT:
|
case BFD_MACH_O_LC_IDENT:
|
case BFD_MACH_O_LC_FVMFILE:
|
case BFD_MACH_O_LC_FVMFILE:
|
case BFD_MACH_O_LC_PREPAGE:
|
case BFD_MACH_O_LC_PREPAGE:
|
case BFD_MACH_O_LC_ROUTINES:
|
case BFD_MACH_O_LC_ROUTINES:
|
|
break;
|
case BFD_MACH_O_LC_SUB_FRAMEWORK:
|
case BFD_MACH_O_LC_SUB_FRAMEWORK:
|
|
case BFD_MACH_O_LC_SUB_UMBRELLA:
|
|
case BFD_MACH_O_LC_SUB_LIBRARY:
|
|
case BFD_MACH_O_LC_SUB_CLIENT:
|
|
if (bfd_mach_o_scan_read_str (abfd, command) != 0)
|
|
return -1;
|
break;
|
break;
|
case BFD_MACH_O_LC_DYSYMTAB:
|
case BFD_MACH_O_LC_DYSYMTAB:
|
if (bfd_mach_o_scan_read_dysymtab (abfd, command) != 0)
|
if (bfd_mach_o_scan_read_dysymtab (abfd, command) != 0)
|
return -1;
|
return -1;
|
break;
|
break;
|
case BFD_MACH_O_LC_SUB_UMBRELLA:
|
|
case BFD_MACH_O_LC_SUB_CLIENT:
|
|
case BFD_MACH_O_LC_SUB_LIBRARY:
|
|
case BFD_MACH_O_LC_TWOLEVEL_HINTS:
|
case BFD_MACH_O_LC_TWOLEVEL_HINTS:
|
case BFD_MACH_O_LC_PREBIND_CKSUM:
|
case BFD_MACH_O_LC_PREBIND_CKSUM:
|
break;
|
break;
|
|
case BFD_MACH_O_LC_UUID:
|
|
if (bfd_mach_o_scan_read_uuid (abfd, command) != 0)
|
|
return -1;
|
|
break;
|
|
case BFD_MACH_O_LC_CODE_SIGNATURE:
|
|
case BFD_MACH_O_LC_SEGMENT_SPLIT_INFO:
|
|
if (bfd_mach_o_scan_read_linkedit (abfd, command) != 0)
|
|
return -1;
|
|
break;
|
default:
|
default:
|
fprintf (stderr, "unable to read unknown load command 0x%lx\n",
|
fprintf (stderr, "unable to read unknown load command 0x%lx\n",
|
(unsigned long) command->type);
|
(unsigned long) command->type);
|
break;
|
break;
|
}
|
}
|
|
|
return 0;
|
return 0;
|
}
|
}
|
|
|
static void
|
static void
|
bfd_mach_o_flatten_sections (bfd *abfd)
|
bfd_mach_o_flatten_sections (bfd *abfd)
|
{
|
{
|
bfd_mach_o_data_struct *mdata = abfd->tdata.mach_o_data;
|
bfd_mach_o_data_struct *mdata = bfd_mach_o_get_data (abfd);
|
long csect = 0;
|
long csect = 0;
|
unsigned long i, j;
|
unsigned long i, j;
|
|
|
|
/* Count total number of sections. */
|
mdata->nsects = 0;
|
mdata->nsects = 0;
|
|
|
for (i = 0; i < mdata->header.ncmds; i++)
|
for (i = 0; i < mdata->header.ncmds; i++)
|
{
|
{
|
if (mdata->commands[i].type == BFD_MACH_O_LC_SEGMENT)
|
if (mdata->commands[i].type == BFD_MACH_O_LC_SEGMENT
|
|
|| mdata->commands[i].type == BFD_MACH_O_LC_SEGMENT_64)
|
{
|
{
|
bfd_mach_o_segment_command *seg;
|
bfd_mach_o_segment_command *seg;
|
|
|
seg = &mdata->commands[i].command.segment;
|
seg = &mdata->commands[i].command.segment;
|
mdata->nsects += seg->nsects;
|
mdata->nsects += seg->nsects;
|
}
|
}
|
}
|
}
|
|
|
|
/* Allocate sections array. */
|
mdata->sections = bfd_alloc (abfd,
|
mdata->sections = bfd_alloc (abfd,
|
mdata->nsects * sizeof (bfd_mach_o_section *));
|
mdata->nsects * sizeof (bfd_mach_o_section *));
|
|
|
|
/* Fill the array. */
|
csect = 0;
|
csect = 0;
|
|
|
for (i = 0; i < mdata->header.ncmds; i++)
|
for (i = 0; i < mdata->header.ncmds; i++)
|
{
|
{
|
if (mdata->commands[i].type == BFD_MACH_O_LC_SEGMENT)
|
if (mdata->commands[i].type == BFD_MACH_O_LC_SEGMENT
|
|
|| mdata->commands[i].type == BFD_MACH_O_LC_SEGMENT_64)
|
{
|
{
|
bfd_mach_o_segment_command *seg;
|
bfd_mach_o_segment_command *seg;
|
|
|
seg = &mdata->commands[i].command.segment;
|
seg = &mdata->commands[i].command.segment;
|
BFD_ASSERT (csect + seg->nsects <= mdata->nsects);
|
BFD_ASSERT (csect + seg->nsects <= mdata->nsects);
|
|
|
for (j = 0; j < seg->nsects; j++)
|
for (j = 0; j < seg->nsects; j++)
|
mdata->sections[csect++] = &seg->sections[j];
|
mdata->sections[csect++] = &seg->sections[j];
|
}
|
}
|
}
|
}
|
}
|
}
|
|
|
int
|
int
|
bfd_mach_o_scan_start_address (bfd *abfd)
|
bfd_mach_o_scan_start_address (bfd *abfd)
|
{
|
{
|
bfd_mach_o_data_struct *mdata = abfd->tdata.mach_o_data;
|
bfd_mach_o_data_struct *mdata = bfd_mach_o_get_data (abfd);
|
bfd_mach_o_thread_command *cmd = NULL;
|
bfd_mach_o_thread_command *cmd = NULL;
|
unsigned long i;
|
unsigned long i;
|
|
|
for (i = 0; i < mdata->header.ncmds; i++)
|
for (i = 0; i < mdata->header.ncmds; i++)
|
{
|
{
|
if ((mdata->commands[i].type == BFD_MACH_O_LC_THREAD) ||
|
if ((mdata->commands[i].type == BFD_MACH_O_LC_THREAD) ||
|
(mdata->commands[i].type == BFD_MACH_O_LC_UNIXTHREAD))
|
(mdata->commands[i].type == BFD_MACH_O_LC_UNIXTHREAD))
|
{
|
{
|
if (cmd == NULL)
|
if (cmd == NULL)
|
cmd = &mdata->commands[i].command.thread;
|
cmd = &mdata->commands[i].command.thread;
|
else
|
else
|
return 0;
|
return 0;
|
}
|
}
|
}
|
}
|
|
|
if (cmd == NULL)
|
if (cmd == NULL)
|
return 0;
|
return 0;
|
|
|
for (i = 0; i < cmd->nflavours; i++)
|
for (i = 0; i < cmd->nflavours; i++)
|
{
|
{
|
if ((mdata->header.cputype == BFD_MACH_O_CPU_TYPE_I386)
|
if ((mdata->header.cputype == BFD_MACH_O_CPU_TYPE_I386)
|
&& (cmd->flavours[i].flavour
|
&& (cmd->flavours[i].flavour
|
== (unsigned long) BFD_MACH_O_i386_THREAD_STATE))
|
== (unsigned long) BFD_MACH_O_x86_THREAD_STATE32))
|
{
|
{
|
unsigned char buf[4];
|
unsigned char buf[4];
|
|
|
bfd_seek (abfd, cmd->flavours[i].offset + 40, SEEK_SET);
|
if (bfd_seek (abfd, cmd->flavours[i].offset + 40, SEEK_SET) != 0
|
|
|| bfd_bread (buf, 4, abfd) != 4)
|
if (bfd_bread (buf, 4, abfd) != 4)
|
|
return -1;
|
return -1;
|
|
|
abfd->start_address = bfd_h_get_32 (abfd, buf);
|
abfd->start_address = bfd_h_get_32 (abfd, buf);
|
}
|
}
|
else if ((mdata->header.cputype == BFD_MACH_O_CPU_TYPE_POWERPC)
|
else if ((mdata->header.cputype == BFD_MACH_O_CPU_TYPE_POWERPC)
|
&& (cmd->flavours[i].flavour == BFD_MACH_O_PPC_THREAD_STATE))
|
&& (cmd->flavours[i].flavour == BFD_MACH_O_PPC_THREAD_STATE))
|
{
|
{
|
unsigned char buf[4];
|
unsigned char buf[4];
|
|
|
bfd_seek (abfd, cmd->flavours[i].offset + 0, SEEK_SET);
|
if (bfd_seek (abfd, cmd->flavours[i].offset + 0, SEEK_SET) != 0
|
|
|| bfd_bread (buf, 4, abfd) != 4)
|
if (bfd_bread (buf, 4, abfd) != 4)
|
|
return -1;
|
return -1;
|
|
|
abfd->start_address = bfd_h_get_32 (abfd, buf);
|
abfd->start_address = bfd_h_get_32 (abfd, buf);
|
}
|
}
|
|
else if ((mdata->header.cputype == BFD_MACH_O_CPU_TYPE_POWERPC_64)
|
|
&& (cmd->flavours[i].flavour == BFD_MACH_O_PPC_THREAD_STATE64))
|
|
{
|
|
unsigned char buf[8];
|
|
|
|
if (bfd_seek (abfd, cmd->flavours[i].offset + 0, SEEK_SET) != 0
|
|
|| bfd_bread (buf, 8, abfd) != 8)
|
|
return -1;
|
|
|
|
abfd->start_address = bfd_h_get_64 (abfd, buf);
|
|
}
|
|
else if ((mdata->header.cputype == BFD_MACH_O_CPU_TYPE_X86_64)
|
|
&& (cmd->flavours[i].flavour == BFD_MACH_O_x86_THREAD_STATE64))
|
|
{
|
|
unsigned char buf[8];
|
|
|
|
if (bfd_seek (abfd, cmd->flavours[i].offset + (16 * 8), SEEK_SET) != 0
|
|
|| bfd_bread (buf, 8, abfd) != 8)
|
|
return -1;
|
|
|
|
abfd->start_address = bfd_h_get_64 (abfd, buf);
|
|
}
|
}
|
}
|
|
|
return 0;
|
return 0;
|
}
|
}
|
|
|
int
|
int
|
bfd_mach_o_scan (bfd *abfd,
|
bfd_mach_o_scan (bfd *abfd,
|
bfd_mach_o_header *header,
|
bfd_mach_o_header *header,
|
bfd_mach_o_data_struct *mdata)
|
bfd_mach_o_data_struct *mdata)
|
{
|
{
|
unsigned int i;
|
unsigned int i;
|
enum bfd_architecture cputype;
|
enum bfd_architecture cputype;
|
unsigned long cpusubtype;
|
unsigned long cpusubtype;
|
|
unsigned int hdrsize;
|
|
|
|
hdrsize = mach_o_wide_p (header) ?
|
|
BFD_MACH_O_HEADER_64_SIZE : BFD_MACH_O_HEADER_SIZE;
|
|
|
mdata->header = *header;
|
mdata->header = *header;
|
mdata->symbols = NULL;
|
|
|
|
abfd->flags = (abfd->xvec->object_flags
|
abfd->flags = abfd->flags & BFD_IN_MEMORY;
|
| (abfd->flags & (BFD_IN_MEMORY | BFD_IO_FUNCS)));
|
switch (header->filetype)
|
|
{
|
|
case BFD_MACH_O_MH_OBJECT:
|
|
abfd->flags |= HAS_RELOC;
|
|
break;
|
|
case BFD_MACH_O_MH_EXECUTE:
|
|
abfd->flags |= EXEC_P;
|
|
break;
|
|
case BFD_MACH_O_MH_DYLIB:
|
|
case BFD_MACH_O_MH_BUNDLE:
|
|
abfd->flags |= DYNAMIC;
|
|
break;
|
|
}
|
|
|
abfd->tdata.mach_o_data = mdata;
|
abfd->tdata.mach_o_data = mdata;
|
|
|
bfd_mach_o_convert_architecture (header->cputype, header->cpusubtype,
|
bfd_mach_o_convert_architecture (header->cputype, header->cpusubtype,
|
&cputype, &cpusubtype);
|
&cputype, &cpusubtype);
|
if (cputype == bfd_arch_unknown)
|
if (cputype == bfd_arch_unknown)
|
{
|
{
|
fprintf (stderr, "bfd_mach_o_scan: unknown architecture 0x%lx/0x%lx\n",
|
fprintf (stderr, "bfd_mach_o_scan: unknown architecture 0x%lx/0x%lx\n",
|
header->cputype, header->cpusubtype);
|
header->cputype, header->cpusubtype);
|
return -1;
|
return -1;
|
}
|
}
|
|
|
bfd_set_arch_mach (abfd, cputype, cpusubtype);
|
bfd_set_arch_mach (abfd, cputype, cpusubtype);
|
|
|
if (header->ncmds != 0)
|
if (header->ncmds != 0)
|
{
|
{
|
mdata->commands = bfd_alloc (abfd, header->ncmds * sizeof (bfd_mach_o_load_command));
|
mdata->commands = bfd_alloc
|
|
(abfd, header->ncmds * sizeof (bfd_mach_o_load_command));
|
if (mdata->commands == NULL)
|
if (mdata->commands == NULL)
|
return -1;
|
return -1;
|
|
|
for (i = 0; i < header->ncmds; i++)
|
for (i = 0; i < header->ncmds; i++)
|
{
|
{
|
bfd_mach_o_load_command *cur = &mdata->commands[i];
|
bfd_mach_o_load_command *cur = &mdata->commands[i];
|
|
|
if (i == 0)
|
if (i == 0)
|
cur->offset = 28;
|
cur->offset = hdrsize;
|
else
|
else
|
{
|
{
|
bfd_mach_o_load_command *prev = &mdata->commands[i - 1];
|
bfd_mach_o_load_command *prev = &mdata->commands[i - 1];
|
cur->offset = prev->offset + prev->len;
|
cur->offset = prev->offset + prev->len;
|
}
|
}
|
|
|
if (bfd_mach_o_scan_read_command (abfd, cur) < 0)
|
if (bfd_mach_o_scan_read_command (abfd, cur) < 0)
|
return -1;
|
return -1;
|
}
|
}
|
}
|
}
|
|
|
if (bfd_mach_o_scan_start_address (abfd) < 0)
|
if (bfd_mach_o_scan_start_address (abfd) < 0)
|
return -1;
|
return -1;
|
|
|
bfd_mach_o_flatten_sections (abfd);
|
bfd_mach_o_flatten_sections (abfd);
|
return 0;
|
return 0;
|
}
|
}
|
|
|
bfd_boolean
|
bfd_boolean
|
bfd_mach_o_mkobject (bfd *abfd)
|
bfd_mach_o_mkobject_init (bfd *abfd)
|
{
|
{
|
bfd_mach_o_data_struct *mdata = NULL;
|
bfd_mach_o_data_struct *mdata = NULL;
|
|
|
mdata = bfd_alloc (abfd, sizeof (bfd_mach_o_data_struct));
|
mdata = bfd_alloc (abfd, sizeof (bfd_mach_o_data_struct));
|
if (mdata == NULL)
|
if (mdata == NULL)
|
return FALSE;
|
return FALSE;
|
abfd->tdata.mach_o_data = mdata;
|
abfd->tdata.mach_o_data = mdata;
|
|
|
mdata->header.magic = 0;
|
mdata->header.magic = 0;
|
mdata->header.cputype = 0;
|
mdata->header.cputype = 0;
|
mdata->header.cpusubtype = 0;
|
mdata->header.cpusubtype = 0;
|
mdata->header.filetype = 0;
|
mdata->header.filetype = 0;
|
mdata->header.ncmds = 0;
|
mdata->header.ncmds = 0;
|
mdata->header.sizeofcmds = 0;
|
mdata->header.sizeofcmds = 0;
|
mdata->header.flags = 0;
|
mdata->header.flags = 0;
|
mdata->header.byteorder = BFD_ENDIAN_UNKNOWN;
|
mdata->header.byteorder = BFD_ENDIAN_UNKNOWN;
|
mdata->commands = NULL;
|
mdata->commands = NULL;
|
mdata->nsymbols = 0;
|
|
mdata->symbols = NULL;
|
|
mdata->nsects = 0;
|
mdata->nsects = 0;
|
mdata->sections = NULL;
|
mdata->sections = NULL;
|
mdata->ibfd = NULL;
|
|
|
|
return TRUE;
|
|
}
|
|
|
|
const bfd_target *
|
|
bfd_mach_o_object_p (bfd *abfd)
|
|
{
|
|
struct bfd_preserve preserve;
|
|
bfd_mach_o_header header;
|
|
|
|
preserve.marker = NULL;
|
|
if (bfd_mach_o_read_header (abfd, &header) != 0)
|
|
goto wrong;
|
|
|
|
if (! (header.byteorder == BFD_ENDIAN_BIG
|
|
|| header.byteorder == BFD_ENDIAN_LITTLE))
|
|
{
|
|
fprintf (stderr, "unknown header byte-order value 0x%lx\n",
|
|
(long) header.byteorder);
|
|
goto wrong;
|
|
}
|
|
|
|
if (! ((header.byteorder == BFD_ENDIAN_BIG
|
|
&& abfd->xvec->byteorder == BFD_ENDIAN_BIG
|
|
&& abfd->xvec->header_byteorder == BFD_ENDIAN_BIG)
|
|
|| (header.byteorder == BFD_ENDIAN_LITTLE
|
|
&& abfd->xvec->byteorder == BFD_ENDIAN_LITTLE
|
|
&& abfd->xvec->header_byteorder == BFD_ENDIAN_LITTLE)))
|
|
goto wrong;
|
|
|
|
preserve.marker = bfd_zalloc (abfd, sizeof (bfd_mach_o_data_struct));
|
|
if (preserve.marker == NULL
|
|
|| !bfd_preserve_save (abfd, &preserve))
|
|
goto fail;
|
|
|
|
if (bfd_mach_o_scan (abfd, &header,
|
|
(bfd_mach_o_data_struct *) preserve.marker) != 0)
|
|
goto wrong;
|
|
|
|
bfd_preserve_finish (abfd, &preserve);
|
|
return abfd->xvec;
|
|
|
|
wrong:
|
|
bfd_set_error (bfd_error_wrong_format);
|
|
|
|
fail:
|
return TRUE;
|
if (preserve.marker != NULL)
|
|
bfd_preserve_restore (abfd, &preserve);
|
|
return NULL;
|
|
}
|
}
|
|
|
const bfd_target *
|
const bfd_target *
|
bfd_mach_o_core_p (bfd *abfd)
|
bfd_mach_o_header_p (bfd *abfd,
|
|
bfd_mach_o_filetype filetype,
|
|
bfd_mach_o_cpu_type cputype)
|
{
|
{
|
struct bfd_preserve preserve;
|
struct bfd_preserve preserve;
|
bfd_mach_o_header header;
|
bfd_mach_o_header header;
|
|
|
preserve.marker = NULL;
|
preserve.marker = NULL;
|
if (bfd_mach_o_read_header (abfd, &header) != 0)
|
if (!bfd_mach_o_read_header (abfd, &header))
|
goto wrong;
|
goto wrong;
|
|
|
if (! (header.byteorder == BFD_ENDIAN_BIG
|
if (! (header.byteorder == BFD_ENDIAN_BIG
|
|| header.byteorder == BFD_ENDIAN_LITTLE))
|
|| header.byteorder == BFD_ENDIAN_LITTLE))
|
{
|
{
|
fprintf (stderr, "unknown header byte-order value 0x%lx\n",
|
fprintf (stderr, "unknown header byte-order value 0x%lx\n",
|
(long) header.byteorder);
|
(unsigned long) header.byteorder);
|
abort ();
|
goto wrong;
|
}
|
}
|
|
|
if (! ((header.byteorder == BFD_ENDIAN_BIG
|
if (! ((header.byteorder == BFD_ENDIAN_BIG
|
&& abfd->xvec->byteorder == BFD_ENDIAN_BIG
|
&& abfd->xvec->byteorder == BFD_ENDIAN_BIG
|
&& abfd->xvec->header_byteorder == BFD_ENDIAN_BIG)
|
&& abfd->xvec->header_byteorder == BFD_ENDIAN_BIG)
|
|| (header.byteorder == BFD_ENDIAN_LITTLE
|
|| (header.byteorder == BFD_ENDIAN_LITTLE
|
&& abfd->xvec->byteorder == BFD_ENDIAN_LITTLE
|
&& abfd->xvec->byteorder == BFD_ENDIAN_LITTLE
|
&& abfd->xvec->header_byteorder == BFD_ENDIAN_LITTLE)))
|
&& abfd->xvec->header_byteorder == BFD_ENDIAN_LITTLE)))
|
goto wrong;
|
goto wrong;
|
|
|
if (header.filetype != BFD_MACH_O_MH_CORE)
|
/* Check cputype and filetype.
|
|
In case of wildcard, do not accept magics that are handled by existing
|
|
targets. */
|
|
if (cputype)
|
|
{
|
|
if (header.cputype != cputype)
|
|
goto wrong;
|
|
}
|
|
else
|
|
{
|
|
switch (header.cputype)
|
|
{
|
|
case BFD_MACH_O_CPU_TYPE_I386:
|
|
/* Handled by mach-o-i386 */
|
|
goto wrong;
|
|
default:
|
|
break;
|
|
}
|
|
}
|
|
if (filetype)
|
|
{
|
|
if (header.filetype != filetype)
|
|
goto wrong;
|
|
}
|
|
else
|
|
{
|
|
switch (header.filetype)
|
|
{
|
|
case BFD_MACH_O_MH_CORE:
|
|
/* Handled by core_p */
|
goto wrong;
|
goto wrong;
|
|
default:
|
|
break;
|
|
}
|
|
}
|
|
|
preserve.marker = bfd_zalloc (abfd, sizeof (bfd_mach_o_data_struct));
|
preserve.marker = bfd_zalloc (abfd, sizeof (bfd_mach_o_data_struct));
|
if (preserve.marker == NULL
|
if (preserve.marker == NULL
|
|| !bfd_preserve_save (abfd, &preserve))
|
|| !bfd_preserve_save (abfd, &preserve))
|
goto fail;
|
goto fail;
|
|
|
if (bfd_mach_o_scan (abfd, &header,
|
if (bfd_mach_o_scan (abfd, &header,
|
(bfd_mach_o_data_struct *) preserve.marker) != 0)
|
(bfd_mach_o_data_struct *) preserve.marker) != 0)
|
goto wrong;
|
goto wrong;
|
|
|
bfd_preserve_finish (abfd, &preserve);
|
bfd_preserve_finish (abfd, &preserve);
|
return abfd->xvec;
|
return abfd->xvec;
|
|
|
wrong:
|
wrong:
|
bfd_set_error (bfd_error_wrong_format);
|
bfd_set_error (bfd_error_wrong_format);
|
|
|
fail:
|
fail:
|
if (preserve.marker != NULL)
|
if (preserve.marker != NULL)
|
bfd_preserve_restore (abfd, &preserve);
|
bfd_preserve_restore (abfd, &preserve);
|
return NULL;
|
return NULL;
|
}
|
}
|
|
|
|
static const bfd_target *
|
|
bfd_mach_o_gen_object_p (bfd *abfd)
|
|
{
|
|
return bfd_mach_o_header_p (abfd, 0, 0);
|
|
}
|
|
|
|
static const bfd_target *
|
|
bfd_mach_o_gen_core_p (bfd *abfd)
|
|
{
|
|
return bfd_mach_o_header_p (abfd, BFD_MACH_O_MH_CORE, 0);
|
|
}
|
|
|
typedef struct mach_o_fat_archentry
|
typedef struct mach_o_fat_archentry
|
{
|
{
|
unsigned long cputype;
|
unsigned long cputype;
|
unsigned long cpusubtype;
|
unsigned long cpusubtype;
|
unsigned long offset;
|
unsigned long offset;
|
unsigned long size;
|
unsigned long size;
|
unsigned long align;
|
unsigned long align;
|
bfd *abfd;
|
|
} mach_o_fat_archentry;
|
} mach_o_fat_archentry;
|
|
|
typedef struct mach_o_fat_data_struct
|
typedef struct mach_o_fat_data_struct
|
{
|
{
|
unsigned long magic;
|
unsigned long magic;
|
unsigned long nfat_arch;
|
unsigned long nfat_arch;
|
mach_o_fat_archentry *archentries;
|
mach_o_fat_archentry *archentries;
|
} mach_o_fat_data_struct;
|
} mach_o_fat_data_struct;
|
|
|
const bfd_target *
|
const bfd_target *
|
bfd_mach_o_archive_p (bfd *abfd)
|
bfd_mach_o_archive_p (bfd *abfd)
|
{
|
{
|
mach_o_fat_data_struct *adata = NULL;
|
mach_o_fat_data_struct *adata = NULL;
|
unsigned char buf[20];
|
unsigned char buf[20];
|
unsigned long i;
|
unsigned long i;
|
|
|
bfd_seek (abfd, 0, SEEK_SET);
|
if (bfd_seek (abfd, 0, SEEK_SET) != 0
|
if (bfd_bread ((PTR) buf, 8, abfd) != 8)
|
|| bfd_bread ((PTR) buf, 8, abfd) != 8)
|
goto error;
|
goto error;
|
|
|
adata = bfd_alloc (abfd, sizeof (mach_o_fat_data_struct));
|
adata = bfd_alloc (abfd, sizeof (mach_o_fat_data_struct));
|
if (adata == NULL)
|
if (adata == NULL)
|
goto error;
|
goto error;
|
|
|
adata->magic = bfd_getb32 (buf);
|
adata->magic = bfd_getb32 (buf);
|
adata->nfat_arch = bfd_getb32 (buf + 4);
|
adata->nfat_arch = bfd_getb32 (buf + 4);
|
if (adata->magic != 0xcafebabe)
|
if (adata->magic != 0xcafebabe)
|
goto error;
|
goto error;
|
|
/* Avoid matching Java bytecode files, which have the same magic number.
|
|
In the Java bytecode file format this field contains the JVM version,
|
|
which starts at 43.0. */
|
|
if (adata->nfat_arch > 30)
|
|
goto error;
|
|
|
adata->archentries =
|
adata->archentries =
|
bfd_alloc (abfd, adata->nfat_arch * sizeof (mach_o_fat_archentry));
|
bfd_alloc (abfd, adata->nfat_arch * sizeof (mach_o_fat_archentry));
|
if (adata->archentries == NULL)
|
if (adata->archentries == NULL)
|
goto error;
|
goto error;
|
|
|
for (i = 0; i < adata->nfat_arch; i++)
|
for (i = 0; i < adata->nfat_arch; i++)
|
{
|
{
|
bfd_seek (abfd, 8 + 20 * i, SEEK_SET);
|
if (bfd_seek (abfd, 8 + 20 * i, SEEK_SET) != 0
|
|
|| bfd_bread ((PTR) buf, 20, abfd) != 20)
|
if (bfd_bread ((PTR) buf, 20, abfd) != 20)
|
|
goto error;
|
goto error;
|
adata->archentries[i].cputype = bfd_getb32 (buf);
|
adata->archentries[i].cputype = bfd_getb32 (buf);
|
adata->archentries[i].cpusubtype = bfd_getb32 (buf + 4);
|
adata->archentries[i].cpusubtype = bfd_getb32 (buf + 4);
|
adata->archentries[i].offset = bfd_getb32 (buf + 8);
|
adata->archentries[i].offset = bfd_getb32 (buf + 8);
|
adata->archentries[i].size = bfd_getb32 (buf + 12);
|
adata->archentries[i].size = bfd_getb32 (buf + 12);
|
adata->archentries[i].align = bfd_getb32 (buf + 16);
|
adata->archentries[i].align = bfd_getb32 (buf + 16);
|
adata->archentries[i].abfd = NULL;
|
|
}
|
}
|
|
|
abfd->tdata.mach_o_fat_data = adata;
|
abfd->tdata.mach_o_fat_data = adata;
|
return abfd->xvec;
|
return abfd->xvec;
|
|
|
error:
|
error:
|
if (adata != NULL)
|
if (adata != NULL)
|
bfd_release (abfd, adata);
|
bfd_release (abfd, adata);
|
bfd_set_error (bfd_error_wrong_format);
|
bfd_set_error (bfd_error_wrong_format);
|
return NULL;
|
return NULL;
|
}
|
}
|
|
|
bfd *
|
bfd *
|
bfd_mach_o_openr_next_archived_file (bfd *archive, bfd *prev)
|
bfd_mach_o_openr_next_archived_file (bfd *archive, bfd *prev)
|
{
|
{
|
mach_o_fat_data_struct *adata;
|
mach_o_fat_data_struct *adata;
|
mach_o_fat_archentry *entry = NULL;
|
mach_o_fat_archentry *entry = NULL;
|
unsigned long i;
|
unsigned long i;
|
|
bfd *nbfd;
|
|
enum bfd_architecture arch_type;
|
|
unsigned long arch_subtype;
|
|
|
adata = (mach_o_fat_data_struct *) archive->tdata.mach_o_fat_data;
|
adata = (mach_o_fat_data_struct *) archive->tdata.mach_o_fat_data;
|
BFD_ASSERT (adata != NULL);
|
BFD_ASSERT (adata != NULL);
|
|
|
/* Find index of previous entry. */
|
/* Find index of previous entry. */
|
if (prev == NULL)
|
if (prev == NULL)
|
i = 0; /* Start at first one. */
|
i = 0; /* Start at first one. */
|
else
|
else
|
{
|
{
|
for (i = 0; i < adata->nfat_arch; i++)
|
for (i = 0; i < adata->nfat_arch; i++)
|
{
|
{
|
if (adata->archentries[i].abfd == prev)
|
if (adata->archentries[i].offset == prev->origin)
|
break;
|
break;
|
}
|
}
|
|
|
if (i == adata->nfat_arch)
|
if (i == adata->nfat_arch)
|
{
|
{
|
/* Not found. */
|
/* Not found. */
|
bfd_set_error (bfd_error_bad_value);
|
bfd_set_error (bfd_error_bad_value);
|
return NULL;
|
return NULL;
|
}
|
}
|
i++; /* Get next entry. */
|
i++; /* Get next entry. */
|
}
|
}
|
|
|
if (i >= adata->nfat_arch)
|
if (i >= adata->nfat_arch)
|
{
|
{
|
bfd_set_error (bfd_error_no_more_archived_files);
|
bfd_set_error (bfd_error_no_more_archived_files);
|
return NULL;
|
return NULL;
|
}
|
}
|
|
|
entry = &adata->archentries[i];
|
entry = &adata->archentries[i];
|
if (entry->abfd == NULL)
|
nbfd = _bfd_new_bfd_contained_in (archive);
|
{
|
|
bfd *nbfd = _bfd_new_bfd_contained_in (archive);
|
|
char *s = NULL;
|
|
|
|
if (nbfd == NULL)
|
if (nbfd == NULL)
|
return NULL;
|
return NULL;
|
|
|
nbfd->origin = entry->offset;
|
nbfd->origin = entry->offset;
|
s = bfd_malloc (strlen (archive->filename) + 1);
|
|
|
bfd_mach_o_convert_architecture (entry->cputype, entry->cpusubtype,
|
|
&arch_type, &arch_subtype);
|
|
/* Create the member filename.
|
|
Use FILENAME:ARCH_NAME. */
|
|
{
|
|
char *s = NULL;
|
|
const char *arch_name;
|
|
size_t arch_file_len = strlen (bfd_get_filename (archive));
|
|
|
|
arch_name = bfd_printable_arch_mach (arch_type, arch_subtype);
|
|
s = bfd_malloc (arch_file_len + 1 + strlen (arch_name) + 1);
|
if (s == NULL)
|
if (s == NULL)
|
return NULL;
|
return NULL;
|
strcpy (s, archive->filename);
|
memcpy (s, bfd_get_filename (archive), arch_file_len);
|
|
s[arch_file_len] = ':';
|
|
strcpy (s + arch_file_len + 1, arch_name);
|
nbfd->filename = s;
|
nbfd->filename = s;
|
|
}
|
nbfd->iostream = NULL;
|
nbfd->iostream = NULL;
|
entry->abfd = nbfd;
|
bfd_set_arch_mach (nbfd, arch_type, arch_subtype);
|
|
|
|
return nbfd;
|
|
}
|
|
|
|
/* If ABFD format is FORMAT and architecture is ARCH, return it.
|
|
If ABFD is a fat image containing a member that corresponds to FORMAT
|
|
and ARCH, returns it.
|
|
In other case, returns NULL.
|
|
This function allows transparent uses of fat images. */
|
|
bfd *
|
|
bfd_mach_o_fat_extract (bfd *abfd,
|
|
bfd_format format,
|
|
const bfd_arch_info_type *arch)
|
|
{
|
|
bfd *res;
|
|
mach_o_fat_data_struct *adata;
|
|
unsigned int i;
|
|
|
|
if (bfd_check_format (abfd, format))
|
|
{
|
|
if (bfd_get_arch_info (abfd) == arch)
|
|
return abfd;
|
|
return NULL;
|
|
}
|
|
if (!bfd_check_format (abfd, bfd_archive)
|
|
|| abfd->xvec != &mach_o_fat_vec)
|
|
return NULL;
|
|
|
|
/* This is a Mach-O fat image. */
|
|
adata = (mach_o_fat_data_struct *) abfd->tdata.mach_o_fat_data;
|
|
BFD_ASSERT (adata != NULL);
|
|
|
|
for (i = 0; i < adata->nfat_arch; i++)
|
|
{
|
|
struct mach_o_fat_archentry *e = &adata->archentries[i];
|
|
enum bfd_architecture cpu_type;
|
|
unsigned long cpu_subtype;
|
|
|
|
bfd_mach_o_convert_architecture (e->cputype, e->cpusubtype,
|
|
&cpu_type, &cpu_subtype);
|
|
if (cpu_type != arch->arch || cpu_subtype != arch->mach)
|
|
continue;
|
|
|
|
/* The architecture is found. */
|
|
res = _bfd_new_bfd_contained_in (abfd);
|
|
if (res == NULL)
|
|
return NULL;
|
|
|
|
res->origin = e->offset;
|
|
|
|
res->filename = strdup (abfd->filename);
|
|
res->iostream = NULL;
|
|
|
|
if (bfd_check_format (res, format))
|
|
{
|
|
BFD_ASSERT (bfd_get_arch_info (res) == arch);
|
|
return res;
|
|
}
|
|
bfd_close (res);
|
|
return NULL;
|
}
|
}
|
|
|
return entry->abfd;
|
return NULL;
|
}
|
}
|
|
|
int
|
int
|
bfd_mach_o_lookup_section (bfd *abfd,
|
bfd_mach_o_lookup_section (bfd *abfd,
|
asection *section,
|
asection *section,
|
bfd_mach_o_load_command **mcommand,
|
bfd_mach_o_load_command **mcommand,
|
bfd_mach_o_section **msection)
|
bfd_mach_o_section **msection)
|
{
|
{
|
struct mach_o_data_struct *md = abfd->tdata.mach_o_data;
|
struct mach_o_data_struct *md = bfd_mach_o_get_data (abfd);
|
unsigned int i, j, num;
|
unsigned int i, j, num;
|
|
|
bfd_mach_o_load_command *ncmd = NULL;
|
bfd_mach_o_load_command *ncmd = NULL;
|
bfd_mach_o_section *nsect = NULL;
|
bfd_mach_o_section *nsect = NULL;
|
|
|
BFD_ASSERT (mcommand != NULL);
|
BFD_ASSERT (mcommand != NULL);
|
BFD_ASSERT (msection != NULL);
|
BFD_ASSERT (msection != NULL);
|
|
|
num = 0;
|
num = 0;
|
for (i = 0; i < md->header.ncmds; i++)
|
for (i = 0; i < md->header.ncmds; i++)
|
{
|
{
|
struct bfd_mach_o_load_command *cmd = &md->commands[i];
|
struct bfd_mach_o_load_command *cmd = &md->commands[i];
|
struct bfd_mach_o_segment_command *seg = NULL;
|
struct bfd_mach_o_segment_command *seg = NULL;
|
|
|
if (cmd->type != BFD_MACH_O_LC_SEGMENT)
|
if (cmd->type != BFD_MACH_O_LC_SEGMENT
|
|
|| cmd->type != BFD_MACH_O_LC_SEGMENT_64)
|
continue;
|
continue;
|
seg = &cmd->command.segment;
|
seg = &cmd->command.segment;
|
|
|
if (seg->segment == section)
|
|
{
|
|
if (num == 0)
|
|
ncmd = cmd;
|
|
num++;
|
|
}
|
|
|
|
for (j = 0; j < seg->nsects; j++)
|
for (j = 0; j < seg->nsects; j++)
|
{
|
{
|
struct bfd_mach_o_section *sect = &seg->sections[j];
|
struct bfd_mach_o_section *sect = &seg->sections[j];
|
|
|
if (sect->bfdsection == section)
|
if (sect->bfdsection == section)
|
{
|
{
|
if (num == 0)
|
if (num == 0)
|
|
{
|
nsect = sect;
|
nsect = sect;
|
|
ncmd = cmd;
|
|
}
|
num++;
|
num++;
|
}
|
}
|
}
|
}
|
}
|
}
|
|
|
*mcommand = ncmd;
|
*mcommand = ncmd;
|
*msection = nsect;
|
*msection = nsect;
|
return num;
|
return num;
|
}
|
}
|
|
|
int
|
int
|
bfd_mach_o_lookup_command (bfd *abfd,
|
bfd_mach_o_lookup_command (bfd *abfd,
|
bfd_mach_o_load_command_type type,
|
bfd_mach_o_load_command_type type,
|
bfd_mach_o_load_command **mcommand)
|
bfd_mach_o_load_command **mcommand)
|
{
|
{
|
struct mach_o_data_struct *md = NULL;
|
struct mach_o_data_struct *md = bfd_mach_o_get_data (abfd);
|
bfd_mach_o_load_command *ncmd = NULL;
|
bfd_mach_o_load_command *ncmd = NULL;
|
unsigned int i, num;
|
unsigned int i, num;
|
|
|
md = abfd->tdata.mach_o_data;
|
|
|
|
BFD_ASSERT (md != NULL);
|
BFD_ASSERT (md != NULL);
|
BFD_ASSERT (mcommand != NULL);
|
BFD_ASSERT (mcommand != NULL);
|
|
|
num = 0;
|
num = 0;
|
for (i = 0; i < md->header.ncmds; i++)
|
for (i = 0; i < md->header.ncmds; i++)
|
{
|
{
|
struct bfd_mach_o_load_command *cmd = &md->commands[i];
|
struct bfd_mach_o_load_command *cmd = &md->commands[i];
|
|
|
if (cmd->type != type)
|
if (cmd->type != type)
|
continue;
|
continue;
|
|
|
if (num == 0)
|
if (num == 0)
|
ncmd = cmd;
|
ncmd = cmd;
|
num++;
|
num++;
|
}
|
}
|
|
|
*mcommand = ncmd;
|
*mcommand = ncmd;
|
return num;
|
return num;
|
}
|
}
|
|
|
unsigned long
|
unsigned long
|
bfd_mach_o_stack_addr (enum bfd_mach_o_cpu_type type)
|
bfd_mach_o_stack_addr (enum bfd_mach_o_cpu_type type)
|
{
|
{
|
switch (type)
|
switch (type)
|
{
|
{
|
case BFD_MACH_O_CPU_TYPE_MC680x0:
|
case BFD_MACH_O_CPU_TYPE_MC680x0:
|
return 0x04000000;
|
return 0x04000000;
|
case BFD_MACH_O_CPU_TYPE_MC88000:
|
case BFD_MACH_O_CPU_TYPE_MC88000:
|
return 0xffffe000;
|
return 0xffffe000;
|
case BFD_MACH_O_CPU_TYPE_POWERPC:
|
case BFD_MACH_O_CPU_TYPE_POWERPC:
|
return 0xc0000000;
|
return 0xc0000000;
|
case BFD_MACH_O_CPU_TYPE_I386:
|
case BFD_MACH_O_CPU_TYPE_I386:
|
return 0xc0000000;
|
return 0xc0000000;
|
case BFD_MACH_O_CPU_TYPE_SPARC:
|
case BFD_MACH_O_CPU_TYPE_SPARC:
|
return 0xf0000000;
|
return 0xf0000000;
|
case BFD_MACH_O_CPU_TYPE_I860:
|
case BFD_MACH_O_CPU_TYPE_I860:
|
return 0;
|
return 0;
|
case BFD_MACH_O_CPU_TYPE_HPPA:
|
case BFD_MACH_O_CPU_TYPE_HPPA:
|
return 0xc0000000 - 0x04000000;
|
return 0xc0000000 - 0x04000000;
|
default:
|
default:
|
return 0;
|
return 0;
|
}
|
}
|
}
|
}
|
|
|
|
typedef struct bfd_mach_o_xlat_name
|
|
{
|
|
const char *name;
|
|
unsigned long val;
|
|
}
|
|
bfd_mach_o_xlat_name;
|
|
|
|
static void
|
|
bfd_mach_o_print_flags (const bfd_mach_o_xlat_name *table,
|
|
unsigned long val,
|
|
FILE *file)
|
|
{
|
|
int first = 1;
|
|
|
|
for (; table->name; table++)
|
|
{
|
|
if (table->val & val)
|
|
{
|
|
if (!first)
|
|
fprintf (file, "+");
|
|
fprintf (file, "%s", table->name);
|
|
val &= ~table->val;
|
|
first = 0;
|
|
}
|
|
}
|
|
if (val)
|
|
{
|
|
if (!first)
|
|
fprintf (file, "+");
|
|
fprintf (file, "0x%lx", val);
|
|
return;
|
|
}
|
|
if (first)
|
|
fprintf (file, "-");
|
|
}
|
|
|
|
static const char *
|
|
bfd_mach_o_get_name (const bfd_mach_o_xlat_name *table, unsigned long val)
|
|
{
|
|
for (; table->name; table++)
|
|
if (table->val == val)
|
|
return table->name;
|
|
return "*UNKNOWN*";
|
|
}
|
|
|
|
static bfd_mach_o_xlat_name bfd_mach_o_cpu_name[] =
|
|
{
|
|
{ "vax", BFD_MACH_O_CPU_TYPE_VAX},
|
|
{ "mc680x0", BFD_MACH_O_CPU_TYPE_MC680x0},
|
|
{ "i386", BFD_MACH_O_CPU_TYPE_I386},
|
|
{ "mips", BFD_MACH_O_CPU_TYPE_MIPS},
|
|
{ "mc98000", BFD_MACH_O_CPU_TYPE_MC98000},
|
|
{ "hppa", BFD_MACH_O_CPU_TYPE_HPPA},
|
|
{ "arm", BFD_MACH_O_CPU_TYPE_ARM},
|
|
{ "mc88000", BFD_MACH_O_CPU_TYPE_MC88000},
|
|
{ "sparc", BFD_MACH_O_CPU_TYPE_SPARC},
|
|
{ "i860", BFD_MACH_O_CPU_TYPE_I860},
|
|
{ "alpha", BFD_MACH_O_CPU_TYPE_ALPHA},
|
|
{ "powerpc", BFD_MACH_O_CPU_TYPE_POWERPC},
|
|
{ "powerpc_64", BFD_MACH_O_CPU_TYPE_POWERPC_64},
|
|
{ "x86_64", BFD_MACH_O_CPU_TYPE_X86_64},
|
|
{ NULL, 0}
|
|
};
|
|
|
|
static bfd_mach_o_xlat_name bfd_mach_o_filetype_name[] =
|
|
{
|
|
{ "object", BFD_MACH_O_MH_OBJECT},
|
|
{ "execute", BFD_MACH_O_MH_EXECUTE},
|
|
{ "fvmlib", BFD_MACH_O_MH_FVMLIB},
|
|
{ "core", BFD_MACH_O_MH_CORE},
|
|
{ "preload", BFD_MACH_O_MH_PRELOAD},
|
|
{ "dylib", BFD_MACH_O_MH_DYLIB},
|
|
{ "dylinker", BFD_MACH_O_MH_DYLINKER},
|
|
{ "bundle", BFD_MACH_O_MH_BUNDLE},
|
|
{ NULL, 0}
|
|
};
|
|
|
|
static bfd_mach_o_xlat_name bfd_mach_o_header_flags_name[] =
|
|
{
|
|
{ "noundefs", BFD_MACH_O_MH_NOUNDEFS },
|
|
{ "incrlink", BFD_MACH_O_MH_INCRLINK },
|
|
{ "dyldlink", BFD_MACH_O_MH_DYLDLINK },
|
|
{ "bindatload", BFD_MACH_O_MH_BINDATLOAD },
|
|
{ "prebound", BFD_MACH_O_MH_PREBOUND },
|
|
{ "split_segs", BFD_MACH_O_MH_SPLIT_SEGS },
|
|
{ "lazy_init", BFD_MACH_O_MH_LAZY_INIT },
|
|
{ "twolevel", BFD_MACH_O_MH_TWOLEVEL },
|
|
{ "force_flat", BFD_MACH_O_MH_FORCE_FLAT },
|
|
{ "nomultidefs", BFD_MACH_O_MH_NOMULTIDEFS },
|
|
{ "nofixprebinding", BFD_MACH_O_MH_NOFIXPREBINDING },
|
|
{ "prebindable", BFD_MACH_O_MH_PREBINDABLE },
|
|
{ "allmodsbound", BFD_MACH_O_MH_ALLMODSBOUND },
|
|
{ "subsections_via_symbols", BFD_MACH_O_MH_SUBSECTIONS_VIA_SYMBOLS },
|
|
{ "canonical", BFD_MACH_O_MH_CANONICAL },
|
|
{ "weak_defines", BFD_MACH_O_MH_WEAK_DEFINES },
|
|
{ "binds_to_weak", BFD_MACH_O_MH_BINDS_TO_WEAK },
|
|
{ "allow_stack_execution", BFD_MACH_O_MH_ALLOW_STACK_EXECUTION },
|
|
{ "root_safe", BFD_MACH_O_MH_ROOT_SAFE },
|
|
{ "setuid_safe", BFD_MACH_O_MH_SETUID_SAFE },
|
|
{ "no_reexported_dylibs", BFD_MACH_O_MH_NO_REEXPORTED_DYLIBS },
|
|
{ "pie", BFD_MACH_O_MH_PIE },
|
|
{ NULL, 0}
|
|
};
|
|
|
|
static bfd_mach_o_xlat_name bfd_mach_o_section_type_name[] =
|
|
{
|
|
{ "regular", BFD_MACH_O_S_REGULAR},
|
|
{ "zerofill", BFD_MACH_O_S_ZEROFILL},
|
|
{ "cstring_literals", BFD_MACH_O_S_CSTRING_LITERALS},
|
|
{ "4byte_literals", BFD_MACH_O_S_4BYTE_LITERALS},
|
|
{ "8byte_literals", BFD_MACH_O_S_8BYTE_LITERALS},
|
|
{ "literal_pointers", BFD_MACH_O_S_LITERAL_POINTERS},
|
|
{ "non_lazy_symbol_pointers", BFD_MACH_O_S_NON_LAZY_SYMBOL_POINTERS},
|
|
{ "lazy_symbol_pointers", BFD_MACH_O_S_LAZY_SYMBOL_POINTERS},
|
|
{ "symbol_stubs", BFD_MACH_O_S_SYMBOL_STUBS},
|
|
{ "mod_init_func_pointers", BFD_MACH_O_S_MOD_INIT_FUNC_POINTERS},
|
|
{ "mod_fini_func_pointers", BFD_MACH_O_S_MOD_FINI_FUNC_POINTERS},
|
|
{ "coalesced", BFD_MACH_O_S_COALESCED},
|
|
{ "gb_zerofill", BFD_MACH_O_S_GB_ZEROFILL},
|
|
{ "interposing", BFD_MACH_O_S_INTERPOSING},
|
|
{ "16byte_literals", BFD_MACH_O_S_16BYTE_LITERALS},
|
|
{ "dtrace_dof", BFD_MACH_O_S_DTRACE_DOF},
|
|
{ "lazy_dylib_symbol_pointers", BFD_MACH_O_S_LAZY_DYLIB_SYMBOL_POINTERS},
|
|
{ NULL, 0}
|
|
};
|
|
|
|
static bfd_mach_o_xlat_name bfd_mach_o_section_attribute_name[] =
|
|
{
|
|
{ "loc_reloc", BFD_MACH_O_S_ATTR_LOC_RELOC },
|
|
{ "ext_reloc", BFD_MACH_O_S_ATTR_EXT_RELOC },
|
|
{ "some_instructions", BFD_MACH_O_S_ATTR_SOME_INSTRUCTIONS },
|
|
{ "debug", BFD_MACH_O_S_ATTR_DEBUG },
|
|
{ "modifying_code", BFD_MACH_O_S_SELF_MODIFYING_CODE },
|
|
{ "live_support", BFD_MACH_O_S_ATTR_LIVE_SUPPORT },
|
|
{ "no_dead_strip", BFD_MACH_O_S_ATTR_NO_DEAD_STRIP },
|
|
{ "strip_static_syms", BFD_MACH_O_S_ATTR_STRIP_STATIC_SYMS },
|
|
{ "no_toc", BFD_MACH_O_S_ATTR_NO_TOC },
|
|
{ "pure_instructions", BFD_MACH_O_S_ATTR_PURE_INSTRUCTIONS },
|
|
{ NULL, 0}
|
|
};
|
|
|
|
static bfd_mach_o_xlat_name bfd_mach_o_load_command_name[] =
|
|
{
|
|
{ "segment", BFD_MACH_O_LC_SEGMENT},
|
|
{ "symtab", BFD_MACH_O_LC_SYMTAB},
|
|
{ "symseg", BFD_MACH_O_LC_SYMSEG},
|
|
{ "thread", BFD_MACH_O_LC_THREAD},
|
|
{ "unixthread", BFD_MACH_O_LC_UNIXTHREAD},
|
|
{ "loadfvmlib", BFD_MACH_O_LC_LOADFVMLIB},
|
|
{ "idfvmlib", BFD_MACH_O_LC_IDFVMLIB},
|
|
{ "ident", BFD_MACH_O_LC_IDENT},
|
|
{ "fvmfile", BFD_MACH_O_LC_FVMFILE},
|
|
{ "prepage", BFD_MACH_O_LC_PREPAGE},
|
|
{ "dysymtab", BFD_MACH_O_LC_DYSYMTAB},
|
|
{ "load_dylib", BFD_MACH_O_LC_LOAD_DYLIB},
|
|
{ "id_dylib", BFD_MACH_O_LC_ID_DYLIB},
|
|
{ "load_dylinker", BFD_MACH_O_LC_LOAD_DYLINKER},
|
|
{ "id_dylinker", BFD_MACH_O_LC_ID_DYLINKER},
|
|
{ "prebound_dylib", BFD_MACH_O_LC_PREBOUND_DYLIB},
|
|
{ "routines", BFD_MACH_O_LC_ROUTINES},
|
|
{ "sub_framework", BFD_MACH_O_LC_SUB_FRAMEWORK},
|
|
{ "sub_umbrella", BFD_MACH_O_LC_SUB_UMBRELLA},
|
|
{ "sub_client", BFD_MACH_O_LC_SUB_CLIENT},
|
|
{ "sub_library", BFD_MACH_O_LC_SUB_LIBRARY},
|
|
{ "twolevel_hints", BFD_MACH_O_LC_TWOLEVEL_HINTS},
|
|
{ "prebind_cksum", BFD_MACH_O_LC_PREBIND_CKSUM},
|
|
{ "load_weak_dylib", BFD_MACH_O_LC_LOAD_WEAK_DYLIB},
|
|
{ "segment_64", BFD_MACH_O_LC_SEGMENT_64},
|
|
{ "routines_64", BFD_MACH_O_LC_ROUTINES_64},
|
|
{ "uuid", BFD_MACH_O_LC_UUID},
|
|
{ "rpath", BFD_MACH_O_LC_RPATH},
|
|
{ "code_signature", BFD_MACH_O_LC_CODE_SIGNATURE},
|
|
{ "segment_split_info", BFD_MACH_O_LC_SEGMENT_SPLIT_INFO},
|
|
{ "reexport_dylib", BFD_MACH_O_LC_REEXPORT_DYLIB},
|
|
{ "lazy_load_dylib", BFD_MACH_O_LC_LAZY_LOAD_DYLIB},
|
|
{ "encryption_info", BFD_MACH_O_LC_ENCRYPTION_INFO},
|
|
{ NULL, 0}
|
|
};
|
|
|
|
static void
|
|
bfd_mach_o_print_private_header (bfd *abfd, FILE *file)
|
|
{
|
|
bfd_mach_o_data_struct *mdata = bfd_mach_o_get_data (abfd);
|
|
bfd_mach_o_header *h = &mdata->header;
|
|
|
|
fprintf (file, _("Mach-O header:\n"));
|
|
fprintf (file, _(" magic : %08lx\n"), h->magic);
|
|
fprintf (file, _(" cputype : %08lx (%s)\n"), h->cputype,
|
|
bfd_mach_o_get_name (bfd_mach_o_cpu_name, h->cputype));
|
|
fprintf (file, _(" cpusubtype: %08lx\n"), h->cpusubtype);
|
|
fprintf (file, _(" filetype : %08lx (%s)\n"),
|
|
h->filetype,
|
|
bfd_mach_o_get_name (bfd_mach_o_filetype_name, h->filetype));
|
|
fprintf (file, _(" ncmds : %08lx\n"), h->ncmds);
|
|
fprintf (file, _(" sizeofcmds: %08lx\n"), h->sizeofcmds);
|
|
fprintf (file, _(" flags : %08lx ("), h->flags);
|
|
bfd_mach_o_print_flags (bfd_mach_o_header_flags_name, h->flags, file);
|
|
fprintf (file, _(")\n"));
|
|
fprintf (file, _(" reserved : %08x\n"), h->reserved);
|
|
}
|
|
|
|
static void
|
|
bfd_mach_o_print_section_map (bfd *abfd, FILE *file)
|
|
{
|
|
bfd_mach_o_data_struct *mdata = bfd_mach_o_get_data (abfd);
|
|
unsigned int i, j;
|
|
unsigned int sec_nbr = 0;
|
|
|
|
fprintf (file, _("Segments and Sections:\n"));
|
|
fprintf (file, _(" #: Segment name Section name Address\n"));
|
|
|
|
for (i = 0; i < mdata->header.ncmds; i++)
|
|
{
|
|
bfd_mach_o_segment_command *seg;
|
|
|
|
if (mdata->commands[i].type != BFD_MACH_O_LC_SEGMENT
|
|
&& mdata->commands[i].type != BFD_MACH_O_LC_SEGMENT_64)
|
|
continue;
|
|
|
|
seg = &mdata->commands[i].command.segment;
|
|
|
|
fprintf (file, "[Segment %-16s ", seg->segname);
|
|
fprintf_vma (file, seg->vmaddr);
|
|
fprintf (file, "-");
|
|
fprintf_vma (file, seg->vmaddr + seg->vmsize - 1);
|
|
fputc (' ', file);
|
|
fputc (seg->initprot & BFD_MACH_O_PROT_READ ? 'r' : '-', file);
|
|
fputc (seg->initprot & BFD_MACH_O_PROT_WRITE ? 'w' : '-', file);
|
|
fputc (seg->initprot & BFD_MACH_O_PROT_EXECUTE ? 'x' : '-', file);
|
|
fprintf (file, "]\n");
|
|
for (j = 0; j < seg->nsects; j++)
|
|
{
|
|
bfd_mach_o_section *sec = &seg->sections[j];
|
|
fprintf (file, "%02u: %-16s %-16s ", ++sec_nbr,
|
|
sec->segname, sec->sectname);
|
|
fprintf_vma (file, sec->addr);
|
|
fprintf (file, " ");
|
|
fprintf_vma (file, sec->size);
|
|
fprintf (file, " %08lx\n", sec->flags);
|
|
}
|
|
}
|
|
}
|
|
|
|
/* Return the number of indirect symbols for a section.
|
|
Must be called only for symbol pointer section and symbol stubs
|
|
sections. */
|
|
|
|
static unsigned int
|
|
bfd_mach_o_section_get_nbr_indirect (bfd *abfd, bfd_mach_o_section *sec)
|
|
{
|
|
unsigned int elsz;
|
|
|
|
switch (sec->flags & BFD_MACH_O_SECTION_TYPE_MASK)
|
|
{
|
|
case BFD_MACH_O_S_NON_LAZY_SYMBOL_POINTERS:
|
|
case BFD_MACH_O_S_LAZY_SYMBOL_POINTERS:
|
|
elsz = bfd_mach_o_wide_p (abfd) ? 8 : 4;
|
|
return sec->size / elsz;
|
|
case BFD_MACH_O_S_SYMBOL_STUBS:
|
|
elsz = sec->reserved2;
|
|
if (elsz)
|
|
return sec->size / elsz;
|
|
else
|
|
return 0;
|
|
default:
|
|
BFD_FAIL ();
|
|
return 0;
|
|
}
|
|
}
|
|
|
|
static void
|
|
bfd_mach_o_print_section (bfd *abfd ATTRIBUTE_UNUSED,
|
|
bfd_mach_o_section *sec, FILE *file)
|
|
{
|
|
fprintf (file, " Section: %-16s %-16s (bfdname: %s)\n",
|
|
sec->sectname, sec->segname, sec->bfdsection->name);
|
|
fprintf (file, " addr: ");
|
|
fprintf_vma (file, sec->addr);
|
|
fprintf (file, " size: ");
|
|
fprintf_vma (file, sec->size);
|
|
fprintf (file, " offset: ");
|
|
fprintf_vma (file, sec->offset);
|
|
fprintf (file, "\n");
|
|
fprintf (file, " align: %ld", sec->align);
|
|
fprintf (file, " nreloc: %lu reloff: ", sec->nreloc);
|
|
fprintf_vma (file, sec->reloff);
|
|
fprintf (file, "\n");
|
|
fprintf (file, " flags: %08lx (type: %s", sec->flags,
|
|
bfd_mach_o_get_name (bfd_mach_o_section_type_name,
|
|
sec->flags & BFD_MACH_O_SECTION_TYPE_MASK));
|
|
fprintf (file, " attr: ");
|
|
bfd_mach_o_print_flags (bfd_mach_o_section_attribute_name,
|
|
sec->flags & BFD_MACH_O_SECTION_ATTRIBUTES_MASK,
|
|
file);
|
|
fprintf (file, ")\n");
|
|
switch (sec->flags & BFD_MACH_O_SECTION_TYPE_MASK)
|
|
{
|
|
case BFD_MACH_O_S_NON_LAZY_SYMBOL_POINTERS:
|
|
case BFD_MACH_O_S_LAZY_SYMBOL_POINTERS:
|
|
case BFD_MACH_O_S_SYMBOL_STUBS:
|
|
fprintf (file, " first indirect sym: %lu", sec->reserved1);
|
|
fprintf (file, " (%u entries)",
|
|
bfd_mach_o_section_get_nbr_indirect (abfd, sec));
|
|
break;
|
|
default:
|
|
fprintf (file, " reserved1: 0x%lx", sec->reserved1);
|
|
break;
|
|
}
|
|
switch (sec->flags & BFD_MACH_O_SECTION_TYPE_MASK)
|
|
{
|
|
case BFD_MACH_O_S_SYMBOL_STUBS:
|
|
fprintf (file, " stub size: %lu", sec->reserved2);
|
|
break;
|
|
default:
|
|
fprintf (file, " reserved2: 0x%lx", sec->reserved2);
|
|
break;
|
|
}
|
|
fprintf (file, " reserved3: 0x%lx\n", sec->reserved3);
|
|
}
|
|
|
|
static void
|
|
bfd_mach_o_print_segment (bfd *abfd ATTRIBUTE_UNUSED,
|
|
bfd_mach_o_load_command *cmd, FILE *file)
|
|
{
|
|
bfd_mach_o_segment_command *seg = &cmd->command.segment;
|
|
unsigned int i;
|
|
|
|
fprintf (file, " name: %s\n", *seg->segname ? seg->segname : "*none*");
|
|
fprintf (file, " vmaddr: ");
|
|
fprintf_vma (file, seg->vmaddr);
|
|
fprintf (file, " vmsize: ");
|
|
fprintf_vma (file, seg->vmsize);
|
|
fprintf (file, "\n");
|
|
fprintf (file, " fileoff: ");
|
|
fprintf_vma (file, seg->fileoff);
|
|
fprintf (file, " filesize: ");
|
|
fprintf_vma (file, (bfd_vma)seg->filesize);
|
|
fprintf (file, " endoff: ");
|
|
fprintf_vma (file, (bfd_vma)(seg->fileoff + seg->filesize));
|
|
fprintf (file, "\n");
|
|
fprintf (file, " nsects: %lu ", seg->nsects);
|
|
fprintf (file, " flags: %lx\n", seg->flags);
|
|
for (i = 0; i < seg->nsects; i++)
|
|
bfd_mach_o_print_section (abfd, &seg->sections[i], file);
|
|
}
|
|
|
|
static void
|
|
bfd_mach_o_print_dysymtab (bfd *abfd ATTRIBUTE_UNUSED,
|
|
bfd_mach_o_load_command *cmd, FILE *file)
|
|
{
|
|
bfd_mach_o_dysymtab_command *dysymtab = &cmd->command.dysymtab;
|
|
bfd_mach_o_data_struct *mdata = bfd_mach_o_get_data (abfd);
|
|
unsigned int i;
|
|
|
|
fprintf (file, " local symbols: idx: %10lu num: %-8lu",
|
|
dysymtab->ilocalsym, dysymtab->nlocalsym);
|
|
fprintf (file, " (nxtidx: %lu)\n",
|
|
dysymtab->ilocalsym + dysymtab->nlocalsym);
|
|
fprintf (file, " external symbols: idx: %10lu num: %-8lu",
|
|
dysymtab->iextdefsym, dysymtab->nextdefsym);
|
|
fprintf (file, " (nxtidx: %lu)\n",
|
|
dysymtab->iextdefsym + dysymtab->nextdefsym);
|
|
fprintf (file, " undefined symbols: idx: %10lu num: %-8lu",
|
|
dysymtab->iundefsym, dysymtab->nundefsym);
|
|
fprintf (file, " (nxtidx: %lu)\n",
|
|
dysymtab->iundefsym + dysymtab->nundefsym);
|
|
fprintf (file, " table of content: off: 0x%08lx num: %-8lu",
|
|
dysymtab->tocoff, dysymtab->ntoc);
|
|
fprintf (file, " (endoff: 0x%08lx)\n",
|
|
dysymtab->tocoff
|
|
+ dysymtab->ntoc * BFD_MACH_O_TABLE_OF_CONTENT_SIZE);
|
|
fprintf (file, " module table: off: 0x%08lx num: %-8lu",
|
|
dysymtab->modtaboff, dysymtab->nmodtab);
|
|
fprintf (file, " (endoff: 0x%08lx)\n",
|
|
dysymtab->modtaboff + dysymtab->nmodtab
|
|
* (mach_o_wide_p (&mdata->header) ?
|
|
BFD_MACH_O_DYLIB_MODULE_64_SIZE : BFD_MACH_O_DYLIB_MODULE_SIZE));
|
|
fprintf (file, " external reference table: off: 0x%08lx num: %-8lu",
|
|
dysymtab->extrefsymoff, dysymtab->nextrefsyms);
|
|
fprintf (file, " (endoff: 0x%08lx)\n",
|
|
dysymtab->extrefsymoff
|
|
+ dysymtab->nextrefsyms * BFD_MACH_O_REFERENCE_SIZE);
|
|
fprintf (file, " indirect symbol table: off: 0x%08lx num: %-8lu",
|
|
dysymtab->indirectsymoff, dysymtab->nindirectsyms);
|
|
fprintf (file, " (endoff: 0x%08lx)\n",
|
|
dysymtab->indirectsymoff
|
|
+ dysymtab->nindirectsyms * BFD_MACH_O_INDIRECT_SYMBOL_SIZE);
|
|
fprintf (file, " external relocation table: off: 0x%08lx num: %-8lu",
|
|
dysymtab->extreloff, dysymtab->nextrel);
|
|
fprintf (file, " (endoff: 0x%08lx)\n",
|
|
dysymtab->extreloff + dysymtab->nextrel * BFD_MACH_O_RELENT_SIZE);
|
|
fprintf (file, " local relocation table: off: 0x%08lx num: %-8lu",
|
|
dysymtab->locreloff, dysymtab->nlocrel);
|
|
fprintf (file, " (endoff: 0x%08lx)\n",
|
|
dysymtab->locreloff + dysymtab->nlocrel * BFD_MACH_O_RELENT_SIZE);
|
|
|
|
if (dysymtab->ntoc > 0
|
|
|| dysymtab->nindirectsyms > 0
|
|
|| dysymtab->nextrefsyms > 0)
|
|
{
|
|
/* Try to read the symbols to display the toc or indirect symbols. */
|
|
bfd_mach_o_scan_read_symtab_symbols (abfd);
|
|
}
|
|
else if (dysymtab->nmodtab > 0)
|
|
{
|
|
/* Try to read the strtab to display modules name. */
|
|
bfd_mach_o_scan_read_symtab_strtab (abfd);
|
|
}
|
|
|
|
for (i = 0; i < dysymtab->nmodtab; i++)
|
|
{
|
|
bfd_mach_o_dylib_module *module = &dysymtab->dylib_module[i];
|
|
fprintf (file, " module %u:\n", i);
|
|
fprintf (file, " name: %lu", module->module_name_idx);
|
|
if (mdata->symtab && mdata->symtab->strtab)
|
|
fprintf (file, ": %s",
|
|
mdata->symtab->strtab + module->module_name_idx);
|
|
fprintf (file, "\n");
|
|
fprintf (file, " extdefsym: idx: %8lu num: %lu\n",
|
|
module->iextdefsym, module->nextdefsym);
|
|
fprintf (file, " refsym: idx: %8lu num: %lu\n",
|
|
module->irefsym, module->nrefsym);
|
|
fprintf (file, " localsym: idx: %8lu num: %lu\n",
|
|
module->ilocalsym, module->nlocalsym);
|
|
fprintf (file, " extrel: idx: %8lu num: %lu\n",
|
|
module->iextrel, module->nextrel);
|
|
fprintf (file, " init: idx: %8u num: %u\n",
|
|
module->iinit, module->ninit);
|
|
fprintf (file, " term: idx: %8u num: %u\n",
|
|
module->iterm, module->nterm);
|
|
fprintf (file, " objc_module_info: addr: ");
|
|
fprintf_vma (file, module->objc_module_info_addr);
|
|
fprintf (file, " size: %lu\n", module->objc_module_info_size);
|
|
}
|
|
|
|
if (dysymtab->ntoc > 0)
|
|
{
|
|
bfd_mach_o_symtab_command *symtab = mdata->symtab;
|
|
|
|
fprintf (file, " table of content: (symbol/module)\n");
|
|
for (i = 0; i < dysymtab->ntoc; i++)
|
|
{
|
|
bfd_mach_o_dylib_table_of_content *toc = &dysymtab->dylib_toc[i];
|
|
|
|
fprintf (file, " %4u: ", i);
|
|
if (symtab && symtab->symbols && toc->symbol_index < symtab->nsyms)
|
|
{
|
|
const char *name = symtab->symbols[toc->symbol_index].symbol.name;
|
|
fprintf (file, "%s (%lu)", name ? name : "*invalid*",
|
|
toc->symbol_index);
|
|
}
|
|
else
|
|
fprintf (file, "%lu", toc->symbol_index);
|
|
|
|
fprintf (file, " / ");
|
|
if (symtab && symtab->strtab
|
|
&& toc->module_index < dysymtab->nmodtab)
|
|
{
|
|
bfd_mach_o_dylib_module *mod;
|
|
mod = &dysymtab->dylib_module[toc->module_index];
|
|
fprintf (file, "%s (%lu)",
|
|
symtab->strtab + mod->module_name_idx,
|
|
toc->module_index);
|
|
}
|
|
else
|
|
fprintf (file, "%lu", toc->module_index);
|
|
|
|
fprintf (file, "\n");
|
|
}
|
|
}
|
|
|
|
if (dysymtab->nindirectsyms != 0)
|
|
{
|
|
fprintf (file, " indirect symbols:\n");
|
|
|
|
for (i = 0; i < mdata->nsects; i++)
|
|
{
|
|
bfd_mach_o_section *sec = mdata->sections[i];
|
|
unsigned int j, first, last;
|
|
bfd_mach_o_symtab_command *symtab = mdata->symtab;
|
|
|
|
switch (sec->flags & BFD_MACH_O_SECTION_TYPE_MASK)
|
|
{
|
|
case BFD_MACH_O_S_NON_LAZY_SYMBOL_POINTERS:
|
|
case BFD_MACH_O_S_LAZY_SYMBOL_POINTERS:
|
|
case BFD_MACH_O_S_SYMBOL_STUBS:
|
|
first = sec->reserved1;
|
|
last = first + bfd_mach_o_section_get_nbr_indirect (abfd, sec);
|
|
fprintf (file, " for section %s.%s:\n",
|
|
sec->segname, sec->sectname);
|
|
for (j = first; j < last; j++)
|
|
{
|
|
unsigned int isym = dysymtab->indirect_syms[j];
|
|
|
|
fprintf (file, " %5u: 0x%08x (%u)", j, isym, isym);
|
|
if (isym & BFD_MACH_O_INDIRECT_SYMBOL_LOCAL)
|
|
fprintf (file, " LOCAL");
|
|
if (isym & BFD_MACH_O_INDIRECT_SYMBOL_ABS)
|
|
fprintf (file, " ABSOLUTE");
|
|
if (symtab && symtab->symbols
|
|
&& isym < symtab->nsyms
|
|
&& symtab->symbols[isym].symbol.name)
|
|
fprintf (file, " %s", symtab->symbols[isym].symbol.name);
|
|
fprintf (file, "\n");
|
|
}
|
|
break;
|
|
default:
|
|
break;
|
|
}
|
|
}
|
|
}
|
|
if (dysymtab->nextrefsyms > 0)
|
|
{
|
|
bfd_mach_o_symtab_command *symtab = mdata->symtab;
|
|
|
|
fprintf (file, " external reference table: (symbol flags)\n");
|
|
for (i = 0; i < dysymtab->nextrefsyms; i++)
|
|
{
|
|
bfd_mach_o_dylib_reference *ref = &dysymtab->ext_refs[i];
|
|
|
|
fprintf (file, " %4u: %5lu 0x%02lx", i, ref->isym, ref->flags);
|
|
if (symtab && symtab->symbols
|
|
&& ref->isym < symtab->nsyms
|
|
&& symtab->symbols[ref->isym].symbol.name)
|
|
fprintf (file, " %s", symtab->symbols[ref->isym].symbol.name);
|
|
fprintf (file, "\n");
|
|
}
|
|
}
|
|
|
|
}
|
|
|
|
bfd_boolean
|
|
bfd_mach_o_bfd_print_private_bfd_data (bfd *abfd, PTR ptr)
|
|
{
|
|
bfd_mach_o_data_struct *mdata = bfd_mach_o_get_data (abfd);
|
|
FILE *file = (FILE *) ptr;
|
|
unsigned int i;
|
|
|
|
bfd_mach_o_print_private_header (abfd, file);
|
|
fputc ('\n', file);
|
|
|
|
for (i = 0; i < mdata->header.ncmds; i++)
|
|
{
|
|
bfd_mach_o_load_command *cmd = &mdata->commands[i];
|
|
|
|
fprintf (file, "Load command %s:",
|
|
bfd_mach_o_get_name (bfd_mach_o_load_command_name, cmd->type));
|
|
switch (cmd->type)
|
|
{
|
|
case BFD_MACH_O_LC_SEGMENT:
|
|
case BFD_MACH_O_LC_SEGMENT_64:
|
|
bfd_mach_o_print_segment (abfd, cmd, file);
|
|
break;
|
|
case BFD_MACH_O_LC_UUID:
|
|
{
|
|
bfd_mach_o_uuid_command *uuid = &cmd->command.uuid;
|
|
unsigned int i;
|
|
|
|
for (i = 0; i < sizeof (uuid->uuid); i++)
|
|
fprintf (file, " %02x", uuid->uuid[i]);
|
|
fputc ('\n', file);
|
|
}
|
|
break;
|
|
case BFD_MACH_O_LC_LOAD_DYLIB:
|
|
case BFD_MACH_O_LC_LOAD_WEAK_DYLIB:
|
|
case BFD_MACH_O_LC_REEXPORT_DYLIB:
|
|
case BFD_MACH_O_LC_ID_DYLIB:
|
|
{
|
|
bfd_mach_o_dylib_command *dylib = &cmd->command.dylib;
|
|
fprintf (file, " %s\n", dylib->name_str);
|
|
fprintf (file, " time stamp: 0x%08lx\n",
|
|
dylib->timestamp);
|
|
fprintf (file, " current version: 0x%08lx\n",
|
|
dylib->current_version);
|
|
fprintf (file, " comptibility version: 0x%08lx\n",
|
|
dylib->compatibility_version);
|
|
break;
|
|
}
|
|
case BFD_MACH_O_LC_LOAD_DYLINKER:
|
|
case BFD_MACH_O_LC_ID_DYLINKER:
|
|
fprintf (file, " %s\n", cmd->command.dylinker.name_str);
|
|
break;
|
|
case BFD_MACH_O_LC_SYMTAB:
|
|
{
|
|
bfd_mach_o_symtab_command *symtab = &cmd->command.symtab;
|
|
fprintf (file,
|
|
"\n"
|
|
" symoff: 0x%08x nsyms: %8u (endoff: 0x%08x)\n",
|
|
symtab->symoff, symtab->nsyms,
|
|
symtab->symoff + symtab->nsyms
|
|
* (mach_o_wide_p (&mdata->header)
|
|
? BFD_MACH_O_NLIST_64_SIZE : BFD_MACH_O_NLIST_SIZE));
|
|
fprintf (file,
|
|
" stroff: 0x%08x strsize: %8u (endoff: 0x%08x)\n",
|
|
symtab->stroff, symtab->strsize,
|
|
symtab->stroff + symtab->strsize);
|
|
break;
|
|
}
|
|
case BFD_MACH_O_LC_DYSYMTAB:
|
|
fprintf (file, "\n");
|
|
bfd_mach_o_print_dysymtab (abfd, cmd, file);
|
|
break;
|
|
case BFD_MACH_O_LC_CODE_SIGNATURE:
|
|
case BFD_MACH_O_LC_SEGMENT_SPLIT_INFO:
|
|
{
|
|
bfd_mach_o_linkedit_command *linkedit = &cmd->command.linkedit;
|
|
fprintf
|
|
(file, "\n"
|
|
" dataoff: 0x%08lx datasize: 0x%08lx (endoff: 0x%08lx)\n",
|
|
linkedit->dataoff, linkedit->datasize,
|
|
linkedit->dataoff + linkedit->datasize);
|
|
break;
|
|
}
|
|
case BFD_MACH_O_LC_SUB_FRAMEWORK:
|
|
case BFD_MACH_O_LC_SUB_UMBRELLA:
|
|
case BFD_MACH_O_LC_SUB_LIBRARY:
|
|
case BFD_MACH_O_LC_SUB_CLIENT:
|
|
{
|
|
bfd_mach_o_str_command *str = &cmd->command.str;
|
|
fprintf (file, " %s\n", str->str);
|
|
break;
|
|
}
|
|
case BFD_MACH_O_LC_THREAD:
|
|
case BFD_MACH_O_LC_UNIXTHREAD:
|
|
{
|
|
bfd_mach_o_thread_command *thread = &cmd->command.thread;
|
|
unsigned int j;
|
|
bfd_mach_o_backend_data *bed = bfd_mach_o_get_backend_data (abfd);
|
|
|
|
fprintf (file, " nflavours: %lu\n", thread->nflavours);
|
|
for (j = 0; j < thread->nflavours; j++)
|
|
{
|
|
bfd_mach_o_thread_flavour *flavour = &thread->flavours[j];
|
|
|
|
fprintf (file, " %2u: flavour: 0x%08lx offset: 0x%08lx"
|
|
" size: 0x%08lx\n",
|
|
j, flavour->flavour, flavour->offset,
|
|
flavour->size);
|
|
if (bed->_bfd_mach_o_print_thread)
|
|
{
|
|
char *buf = bfd_malloc (flavour->size);
|
|
|
|
if (buf
|
|
&& bfd_seek (abfd, flavour->offset, SEEK_SET) == 0
|
|
&& (bfd_bread (buf, flavour->size, abfd)
|
|
== flavour->size))
|
|
(*bed->_bfd_mach_o_print_thread)(abfd, flavour,
|
|
file, buf);
|
|
free (buf);
|
|
}
|
|
}
|
|
break;
|
|
}
|
|
default:
|
|
fprintf (file, "\n");
|
|
break;
|
|
}
|
|
fputc ('\n', file);
|
|
}
|
|
|
|
bfd_mach_o_print_section_map (abfd, file);
|
|
|
|
return TRUE;
|
|
}
|
|
|
int
|
int
|
bfd_mach_o_core_fetch_environment (bfd *abfd,
|
bfd_mach_o_core_fetch_environment (bfd *abfd,
|
unsigned char **rbuf,
|
unsigned char **rbuf,
|
unsigned int *rlen)
|
unsigned int *rlen)
|
{
|
{
|
bfd_mach_o_data_struct *mdata = abfd->tdata.mach_o_data;
|
bfd_mach_o_data_struct *mdata = bfd_mach_o_get_data (abfd);
|
unsigned long stackaddr = bfd_mach_o_stack_addr (mdata->header.cputype);
|
unsigned long stackaddr = bfd_mach_o_stack_addr (mdata->header.cputype);
|
unsigned int i = 0;
|
unsigned int i = 0;
|
|
|
for (i = 0; i < mdata->header.ncmds; i++)
|
for (i = 0; i < mdata->header.ncmds; i++)
|
{
|
{
|
bfd_mach_o_load_command *cur = &mdata->commands[i];
|
bfd_mach_o_load_command *cur = &mdata->commands[i];
|
bfd_mach_o_segment_command *seg = NULL;
|
bfd_mach_o_segment_command *seg = NULL;
|
|
|
if (cur->type != BFD_MACH_O_LC_SEGMENT)
|
if (cur->type != BFD_MACH_O_LC_SEGMENT)
|
continue;
|
continue;
|
|
|
seg = &cur->command.segment;
|
seg = &cur->command.segment;
|
|
|
if ((seg->vmaddr + seg->vmsize) == stackaddr)
|
if ((seg->vmaddr + seg->vmsize) == stackaddr)
|
{
|
{
|
unsigned long start = seg->fileoff;
|
unsigned long start = seg->fileoff;
|
unsigned long end = seg->fileoff + seg->filesize;
|
unsigned long end = seg->fileoff + seg->filesize;
|
unsigned char *buf = bfd_malloc (1024);
|
unsigned char *buf = bfd_malloc (1024);
|
unsigned long size = 1024;
|
unsigned long size = 1024;
|
|
|
for (;;)
|
for (;;)
|
{
|
{
|
bfd_size_type nread = 0;
|
bfd_size_type nread = 0;
|
unsigned long offset;
|
unsigned long offset;
|
int found_nonnull = 0;
|
int found_nonnull = 0;
|
|
|
if (size > (end - start))
|
if (size > (end - start))
|
size = (end - start);
|
size = (end - start);
|
|
|
buf = bfd_realloc_or_free (buf, size);
|
buf = bfd_realloc_or_free (buf, size);
|
if (buf == NULL)
|
if (buf == NULL)
|
return -1;
|
return -1;
|
|
|
bfd_seek (abfd, end - size, SEEK_SET);
|
if (bfd_seek (abfd, end - size, SEEK_SET) != 0)
|
|
{
|
|
free (buf);
|
|
return -1;
|
|
}
|
|
|
nread = bfd_bread (buf, size, abfd);
|
nread = bfd_bread (buf, size, abfd);
|
|
|
if (nread != size)
|
if (nread != size)
|
{
|
{
|
free (buf);
|
free (buf);
|
return -1;
|
return -1;
|
}
|
}
|
|
|
for (offset = 4; offset <= size; offset += 4)
|
for (offset = 4; offset <= size; offset += 4)
|
{
|
{
|
unsigned long val;
|
unsigned long val;
|
|
|
val = *((unsigned long *) (buf + size - offset));
|
val = *((unsigned long *) (buf + size - offset));
|
if (! found_nonnull)
|
if (! found_nonnull)
|
{
|
{
|
if (val != 0)
|
if (val != 0)
|
found_nonnull = 1;
|
found_nonnull = 1;
|
}
|
}
|
else if (val == 0x0)
|
else if (val == 0x0)
|
{
|
{
|
unsigned long bottom;
|
unsigned long bottom;
|
unsigned long top;
|
unsigned long top;
|
|
|
bottom = seg->fileoff + seg->filesize - offset;
|
bottom = seg->fileoff + seg->filesize - offset;
|
top = seg->fileoff + seg->filesize - 4;
|
top = seg->fileoff + seg->filesize - 4;
|
*rbuf = bfd_malloc (top - bottom);
|
*rbuf = bfd_malloc (top - bottom);
|
*rlen = top - bottom;
|
*rlen = top - bottom;
|
|
|
memcpy (*rbuf, buf + size - *rlen, *rlen);
|
memcpy (*rbuf, buf + size - *rlen, *rlen);
|
free (buf);
|
free (buf);
|
return 0;
|
return 0;
|
}
|
}
|
}
|
}
|
|
|
if (size == (end - start))
|
if (size == (end - start))
|
break;
|
break;
|
|
|
size *= 2;
|
size *= 2;
|
}
|
}
|
|
|
free (buf);
|
free (buf);
|
}
|
}
|
}
|
}
|
|
|
return -1;
|
return -1;
|
}
|
}
|
|
|
char *
|
char *
|
bfd_mach_o_core_file_failing_command (bfd *abfd)
|
bfd_mach_o_core_file_failing_command (bfd *abfd)
|
{
|
{
|
unsigned char *buf = NULL;
|
unsigned char *buf = NULL;
|
unsigned int len = 0;
|
unsigned int len = 0;
|
int ret = -1;
|
int ret = -1;
|
|
|
ret = bfd_mach_o_core_fetch_environment (abfd, &buf, &len);
|
ret = bfd_mach_o_core_fetch_environment (abfd, &buf, &len);
|
if (ret < 0)
|
if (ret < 0)
|
return NULL;
|
return NULL;
|
|
|
return (char *) buf;
|
return (char *) buf;
|
}
|
}
|
|
|
int
|
int
|
bfd_mach_o_core_file_failing_signal (bfd *abfd ATTRIBUTE_UNUSED)
|
bfd_mach_o_core_file_failing_signal (bfd *abfd ATTRIBUTE_UNUSED)
|
{
|
{
|
return 0;
|
return 0;
|
}
|
}
|
|
|
|
#define bfd_mach_o_bfd_reloc_type_lookup _bfd_norelocs_bfd_reloc_type_lookup
|
|
#define bfd_mach_o_bfd_reloc_name_lookup _bfd_norelocs_bfd_reloc_name_lookup
|
|
|
|
#define bfd_mach_o_swap_reloc_in NULL
|
|
#define bfd_mach_o_swap_reloc_out NULL
|
|
#define bfd_mach_o_print_thread NULL
|
|
|
#define TARGET_NAME mach_o_be_vec
|
#define TARGET_NAME mach_o_be_vec
|
#define TARGET_STRING "mach-o-be"
|
#define TARGET_STRING "mach-o-be"
|
#define TARGET_BIG_ENDIAN 1
|
#define TARGET_BIG_ENDIAN 1
|
#define TARGET_ARCHIVE 0
|
#define TARGET_ARCHIVE 0
|
|
|
#include "mach-o-target.c"
|
#include "mach-o-target.c"
|
|
|
#undef TARGET_NAME
|
#undef TARGET_NAME
|
#undef TARGET_STRING
|
#undef TARGET_STRING
|
#undef TARGET_BIG_ENDIAN
|
#undef TARGET_BIG_ENDIAN
|
#undef TARGET_ARCHIVE
|
#undef TARGET_ARCHIVE
|
|
|
#define TARGET_NAME mach_o_le_vec
|
#define TARGET_NAME mach_o_le_vec
|
#define TARGET_STRING "mach-o-le"
|
#define TARGET_STRING "mach-o-le"
|
#define TARGET_BIG_ENDIAN 0
|
#define TARGET_BIG_ENDIAN 0
|
#define TARGET_ARCHIVE 0
|
#define TARGET_ARCHIVE 0
|
|
|
#include "mach-o-target.c"
|
#include "mach-o-target.c"
|
|
|
#undef TARGET_NAME
|
#undef TARGET_NAME
|
#undef TARGET_STRING
|
#undef TARGET_STRING
|
#undef TARGET_BIG_ENDIAN
|
#undef TARGET_BIG_ENDIAN
|
#undef TARGET_ARCHIVE
|
#undef TARGET_ARCHIVE
|
|
|
#define TARGET_NAME mach_o_fat_vec
|
#define TARGET_NAME mach_o_fat_vec
|
#define TARGET_STRING "mach-o-fat"
|
#define TARGET_STRING "mach-o-fat"
|
#define TARGET_BIG_ENDIAN 1
|
#define TARGET_BIG_ENDIAN 1
|
#define TARGET_ARCHIVE 1
|
#define TARGET_ARCHIVE 1
|
|
|
#include "mach-o-target.c"
|
#include "mach-o-target.c"
|
|
|
#undef TARGET_NAME
|
#undef TARGET_NAME
|
#undef TARGET_STRING
|
#undef TARGET_STRING
|
#undef TARGET_BIG_ENDIAN
|
#undef TARGET_BIG_ENDIAN
|
#undef TARGET_ARCHIVE
|
#undef TARGET_ARCHIVE
|
|
|
