diff options
Diffstat (limited to 'binutils-2.24/bfd/mach-o-i386.c')
-rw-r--r-- | binutils-2.24/bfd/mach-o-i386.c | 403 |
1 files changed, 0 insertions, 403 deletions
diff --git a/binutils-2.24/bfd/mach-o-i386.c b/binutils-2.24/bfd/mach-o-i386.c deleted file mode 100644 index 97e0d58b..00000000 --- a/binutils-2.24/bfd/mach-o-i386.c +++ /dev/null @@ -1,403 +0,0 @@ -/* Intel i386 Mach-O support for BFD. - Copyright 2009 - Free Software Foundation, Inc. - - This file is part of BFD, the Binary File Descriptor library. - - This program is free software; you can redistribute it and/or modify - it under the terms of the GNU General Public License as published by - the Free Software Foundation; either version 3 of the License, or - (at your option) any later version. - - This program is distributed in the hope that it will be useful, - but WITHOUT ANY WARRANTY; without even the implied warranty of - MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the - GNU General Public License for more details. - - You should have received a copy of the GNU General Public License - along with this program; if not, write to the Free Software - Foundation, Inc., 51 Franklin Street - Fifth Floor, Boston, - MA 02110-1301, USA. */ - -#include "sysdep.h" -#include "mach-o.h" -#include "bfd.h" -#include "libbfd.h" -#include "libiberty.h" -#include "mach-o/reloc.h" - -#define bfd_mach_o_object_p bfd_mach_o_i386_object_p -#define bfd_mach_o_core_p bfd_mach_o_i386_core_p -#define bfd_mach_o_mkobject bfd_mach_o_i386_mkobject - -static const bfd_target * -bfd_mach_o_i386_object_p (bfd *abfd) -{ - return bfd_mach_o_header_p (abfd, 0, BFD_MACH_O_CPU_TYPE_I386); -} - -static const bfd_target * -bfd_mach_o_i386_core_p (bfd *abfd) -{ - return bfd_mach_o_header_p (abfd, - BFD_MACH_O_MH_CORE, BFD_MACH_O_CPU_TYPE_I386); -} - -static bfd_boolean -bfd_mach_o_i386_mkobject (bfd *abfd) -{ - bfd_mach_o_data_struct *mdata; - - if (!bfd_mach_o_mkobject_init (abfd)) - return FALSE; - - mdata = bfd_mach_o_get_data (abfd); - mdata->header.magic = BFD_MACH_O_MH_MAGIC; - mdata->header.cputype = BFD_MACH_O_CPU_TYPE_I386; - mdata->header.cpusubtype = BFD_MACH_O_CPU_SUBTYPE_X86_ALL; - mdata->header.byteorder = BFD_ENDIAN_LITTLE; - mdata->header.version = 1; - - return TRUE; -} - -static reloc_howto_type i386_howto_table[]= -{ - /* 0 */ - HOWTO(BFD_RELOC_32, 0, 2, 32, FALSE, 0, - complain_overflow_bitfield, - NULL, "32", - FALSE, 0xffffffff, 0xffffffff, FALSE), - HOWTO(BFD_RELOC_16, 0, 1, 16, FALSE, 0, - complain_overflow_bitfield, - NULL, "16", - FALSE, 0xffff, 0xffff, FALSE), - HOWTO(BFD_RELOC_8, 0, 0, 8, FALSE, 0, - complain_overflow_bitfield, - NULL, "8", - FALSE, 0xff, 0xff, FALSE), - HOWTO(BFD_RELOC_32_PCREL, 0, 2, 32, TRUE, 0, - complain_overflow_bitfield, - NULL, "DISP32", - FALSE, 0xffffffff, 0xffffffff, TRUE), - /* 4 */ - HOWTO(BFD_RELOC_16_PCREL, 0, 1, 16, TRUE, 0, - complain_overflow_bitfield, - NULL, "DISP16", - FALSE, 0xffff, 0xffff, TRUE), - HOWTO(BFD_RELOC_MACH_O_SECTDIFF, 0, 2, 32, FALSE, 0, - complain_overflow_bitfield, - NULL, "SECTDIFF_32", - FALSE, 0xffffffff, 0xffffffff, FALSE), - HOWTO(BFD_RELOC_MACH_O_LOCAL_SECTDIFF, 0, 2, 32, FALSE, 0, - complain_overflow_bitfield, - NULL, "LSECTDIFF_32", - FALSE, 0xffffffff, 0xffffffff, FALSE), - HOWTO(BFD_RELOC_MACH_O_PAIR, 0, 2, 32, FALSE, 0, - complain_overflow_bitfield, - NULL, "PAIR_32", - FALSE, 0xffffffff, 0xffffffff, FALSE), - /* 8 */ - HOWTO(BFD_RELOC_MACH_O_SECTDIFF, 0, 1, 16, FALSE, 0, - complain_overflow_bitfield, - NULL, "SECTDIFF_16", - FALSE, 0xffff, 0xffff, FALSE), - HOWTO(BFD_RELOC_MACH_O_LOCAL_SECTDIFF, 0, 1, 16, FALSE, 0, - complain_overflow_bitfield, - NULL, "LSECTDIFF_16", - FALSE, 0xffff, 0xffff, FALSE), - HOWTO(BFD_RELOC_MACH_O_PAIR, 0, 1, 16, FALSE, 0, - complain_overflow_bitfield, - NULL, "PAIR_16", - FALSE, 0xffff, 0xffff, FALSE), -}; - -static bfd_boolean -bfd_mach_o_i386_swap_reloc_in (arelent *res, bfd_mach_o_reloc_info *reloc) -{ - if (reloc->r_scattered) - { - switch (reloc->r_type) - { - case BFD_MACH_O_GENERIC_RELOC_PAIR: - if (reloc->r_length == 2) - { - res->howto = &i386_howto_table[7]; - res->address = res[-1].address; - return TRUE; - } - else if (reloc->r_length == 1) - { - res->howto = &i386_howto_table[10]; - res->address = res[-1].address; - return TRUE; - } - return FALSE; - case BFD_MACH_O_GENERIC_RELOC_SECTDIFF: - if (reloc->r_length == 2) - { - res->howto = &i386_howto_table[5]; - return TRUE; - } - else if (reloc->r_length == 1) - { - res->howto = &i386_howto_table[8]; - return TRUE; - } - return FALSE; - case BFD_MACH_O_GENERIC_RELOC_LOCAL_SECTDIFF: - if (reloc->r_length == 2) - { - res->howto = &i386_howto_table[6]; - return TRUE; - } - else if (reloc->r_length == 1) - { - res->howto = &i386_howto_table[9]; - return TRUE; - } - return FALSE; - default: - return FALSE; - } - } - else - { - switch (reloc->r_type) - { - case BFD_MACH_O_GENERIC_RELOC_VANILLA: - switch ((reloc->r_length << 1) | reloc->r_pcrel) - { - case 0: /* len = 0, pcrel = 0 */ - res->howto = &i386_howto_table[2]; - return TRUE; - case 2: /* len = 1, pcrel = 0 */ - res->howto = &i386_howto_table[1]; - return TRUE; - case 3: /* len = 1, pcrel = 1 */ - res->howto = &i386_howto_table[4]; - return TRUE; - case 4: /* len = 2, pcrel = 0 */ - res->howto = &i386_howto_table[0]; - return TRUE; - case 5: /* len = 2, pcrel = 1 */ - res->howto = &i386_howto_table[3]; - return TRUE; - default: - return FALSE; - } - break; - default: - return FALSE; - } - } -} - -static bfd_boolean -bfd_mach_o_i386_swap_reloc_out (arelent *rel, bfd_mach_o_reloc_info *rinfo) -{ - rinfo->r_address = rel->address; - switch (rel->howto->type) - { - case BFD_RELOC_32: - case BFD_RELOC_32_PCREL: - case BFD_RELOC_16: - case BFD_RELOC_16_PCREL: - case BFD_RELOC_8: - rinfo->r_scattered = 0; - rinfo->r_type = BFD_MACH_O_GENERIC_RELOC_VANILLA; - rinfo->r_pcrel = rel->howto->pc_relative; - rinfo->r_length = rel->howto->size; /* Correct in practice. */ - if ((*rel->sym_ptr_ptr)->flags & BSF_SECTION_SYM) - { - rinfo->r_extern = 0; - rinfo->r_value = (*rel->sym_ptr_ptr)->section->target_index; - } - else - { - rinfo->r_extern = 1; - rinfo->r_value = (*rel->sym_ptr_ptr)->udata.i; - } - break; - case BFD_RELOC_MACH_O_SECTDIFF: - rinfo->r_scattered = 1; - rinfo->r_type = BFD_MACH_O_GENERIC_RELOC_SECTDIFF; - rinfo->r_pcrel = 0; - rinfo->r_length = rel->howto->size; - rinfo->r_extern = 0; - rinfo->r_value = rel->addend; - break; - case BFD_RELOC_MACH_O_LOCAL_SECTDIFF: - rinfo->r_scattered = 1; - rinfo->r_type = BFD_MACH_O_GENERIC_RELOC_LOCAL_SECTDIFF; - rinfo->r_pcrel = 0; - rinfo->r_length = rel->howto->size; - rinfo->r_extern = 0; - rinfo->r_value = rel->addend; - break; - case BFD_RELOC_MACH_O_PAIR: - rinfo->r_address = 0; - rinfo->r_scattered = 1; - rinfo->r_type = BFD_MACH_O_GENERIC_RELOC_PAIR; - rinfo->r_pcrel = 0; - rinfo->r_length = rel->howto->size; - rinfo->r_extern = 0; - rinfo->r_value = rel->addend; - break; - default: - return FALSE; - } - return TRUE; -} - -static reloc_howto_type * -bfd_mach_o_i386_bfd_reloc_type_lookup (bfd *abfd ATTRIBUTE_UNUSED, - bfd_reloc_code_real_type code) -{ - unsigned int i; - - for (i = 0; i < sizeof (i386_howto_table) / sizeof (*i386_howto_table); i++) - if (code == i386_howto_table[i].type) - return &i386_howto_table[i]; - return NULL; -} - -static reloc_howto_type * -bfd_mach_o_i386_bfd_reloc_name_lookup (bfd *abfd ATTRIBUTE_UNUSED, - const char *name ATTRIBUTE_UNUSED) -{ - return NULL; -} - -static bfd_boolean -bfd_mach_o_i386_print_thread (bfd *abfd, bfd_mach_o_thread_flavour *thread, - void *vfile, char *buf) -{ - FILE *file = (FILE *)vfile; - - switch (thread->flavour) - { - case BFD_MACH_O_x86_THREAD_STATE: - if (thread->size < (8 + 16 * 4)) - return FALSE; - fprintf (file, " x86_THREAD_STATE:\n"); - fprintf (file, " flavor: 0x%08lx count: 0x%08lx\n", - (unsigned long)bfd_get_32 (abfd, buf + 0), - (unsigned long)bfd_get_32 (abfd, buf + 4)); - fprintf (file, " eax: %08lx ebx: %08lx ecx: %08lx edx: %08lx\n", - (unsigned long)bfd_get_32 (abfd, buf + 8), - (unsigned long)bfd_get_32 (abfd, buf + 12), - (unsigned long)bfd_get_32 (abfd, buf + 16), - (unsigned long)bfd_get_32 (abfd, buf + 20)); - fprintf (file, " edi: %08lx esi: %08lx ebp: %08lx esp: %08lx\n", - (unsigned long)bfd_get_32 (abfd, buf + 24), - (unsigned long)bfd_get_32 (abfd, buf + 28), - (unsigned long)bfd_get_32 (abfd, buf + 32), - (unsigned long)bfd_get_32 (abfd, buf + 36)); - fprintf (file, " ss: %08lx flg: %08lx eip: %08lx cs: %08lx\n", - (unsigned long)bfd_get_32 (abfd, buf + 40), - (unsigned long)bfd_get_32 (abfd, buf + 44), - (unsigned long)bfd_get_32 (abfd, buf + 48), - (unsigned long)bfd_get_32 (abfd, buf + 52)); - fprintf (file, " ds: %08lx es: %08lx fs: %08lx gs: %08lx\n", - (unsigned long)bfd_get_32 (abfd, buf + 56), - (unsigned long)bfd_get_32 (abfd, buf + 60), - (unsigned long)bfd_get_32 (abfd, buf + 64), - (unsigned long)bfd_get_32 (abfd, buf + 68)); - return TRUE; - case BFD_MACH_O_x86_FLOAT_STATE: - if (thread->size < 8) - return FALSE; - fprintf (file, " x86_FLOAT_STATE:\n"); - fprintf (file, " flavor: 0x%08lx count: 0x%08lx\n", - (unsigned long)bfd_get_32 (abfd, buf + 0), - (unsigned long)bfd_get_32 (abfd, buf + 4)); - return TRUE; - case BFD_MACH_O_x86_EXCEPTION_STATE: - if (thread->size < 8 + 3 * 4) - return FALSE; - fprintf (file, " x86_EXCEPTION_STATE:\n"); - fprintf (file, " flavor: 0x%08lx count: 0x%08lx\n", - (unsigned long)bfd_get_32 (abfd, buf + 0), - (unsigned long)bfd_get_32 (abfd, buf + 4)); - fprintf (file, " trapno: %08lx err: %08lx faultaddr: %08lx\n", - (unsigned long)bfd_get_32 (abfd, buf + 8), - (unsigned long)bfd_get_32 (abfd, buf + 12), - (unsigned long)bfd_get_32 (abfd, buf + 16)); - return TRUE; - default: - break; - } - return FALSE; -} - -static const mach_o_section_name_xlat text_section_names_xlat[] = - { - { ".symbol_stub", "__symbol_stub", - SEC_CODE | SEC_LOAD, BFD_MACH_O_S_SYMBOL_STUBS, - BFD_MACH_O_S_ATTR_PURE_INSTRUCTIONS, - 0}, - { ".picsymbol_stub", "__picsymbol_stub", - SEC_CODE | SEC_LOAD, BFD_MACH_O_S_SYMBOL_STUBS, - BFD_MACH_O_S_ATTR_PURE_INSTRUCTIONS, - 0}, - { NULL, NULL, 0, 0, 0, 0} - }; - -static const mach_o_section_name_xlat data_section_names_xlat[] = - { - /* The first two are recognized by i386, but not emitted for x86 by - modern GCC. */ - { ".non_lazy_symbol_pointer", "__nl_symbol_ptr", - SEC_DATA | SEC_LOAD, BFD_MACH_O_S_NON_LAZY_SYMBOL_POINTERS, - BFD_MACH_O_S_ATTR_NONE, 2}, - { ".lazy_symbol_pointer", "__la_symbol_ptr", - SEC_DATA | SEC_LOAD, BFD_MACH_O_S_LAZY_SYMBOL_POINTERS, - BFD_MACH_O_S_ATTR_NONE, 2}, - { ".lazy_symbol_pointer2", "__la_sym_ptr2", - SEC_DATA | SEC_LOAD, BFD_MACH_O_S_LAZY_SYMBOL_POINTERS, - BFD_MACH_O_S_ATTR_NONE, 2}, - { ".lazy_symbol_pointer3", "__la_sym_ptr3", - SEC_DATA | SEC_LOAD, BFD_MACH_O_S_LAZY_SYMBOL_POINTERS, - BFD_MACH_O_S_ATTR_NONE, 2}, - { NULL, NULL, 0, 0, 0, 0} - }; - -static const mach_o_section_name_xlat import_section_names_xlat[] = - { - { ".picsymbol_stub3", "__jump_table", - SEC_CODE | SEC_LOAD, BFD_MACH_O_S_SYMBOL_STUBS, - BFD_MACH_O_S_ATTR_PURE_INSTRUCTIONS - | BFD_MACH_O_S_SELF_MODIFYING_CODE, - 6}, - { ".non_lazy_symbol_pointer_x86", "__pointers", - SEC_DATA | SEC_LOAD, BFD_MACH_O_S_NON_LAZY_SYMBOL_POINTERS, - BFD_MACH_O_S_ATTR_NONE, 2}, - { NULL, NULL, 0, 0, 0, 0} - }; - -const mach_o_segment_name_xlat mach_o_i386_segsec_names_xlat[] = - { - { "__TEXT", text_section_names_xlat }, - { "__DATA", data_section_names_xlat }, - { "__IMPORT", import_section_names_xlat }, - { NULL, NULL } - }; - -#define bfd_mach_o_swap_reloc_in bfd_mach_o_i386_swap_reloc_in -#define bfd_mach_o_swap_reloc_out bfd_mach_o_i386_swap_reloc_out -#define bfd_mach_o_print_thread bfd_mach_o_i386_print_thread - -#define bfd_mach_o_tgt_seg_table mach_o_i386_segsec_names_xlat -#define bfd_mach_o_section_type_valid_for_tgt NULL - -#define bfd_mach_o_bfd_reloc_type_lookup bfd_mach_o_i386_bfd_reloc_type_lookup -#define bfd_mach_o_bfd_reloc_name_lookup bfd_mach_o_i386_bfd_reloc_name_lookup - -#define TARGET_NAME mach_o_i386_vec -#define TARGET_STRING "mach-o-i386" -#define TARGET_ARCHITECTURE bfd_arch_i386 -#define TARGET_BIG_ENDIAN 0 -#define TARGET_ARCHIVE 0 -#define TARGET_PRIORITY 0 -#include "mach-o-target.c" |