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| author | Stan Shebs <shebs@codesourcery.com> | 2008-07-07 18:35:24 +0000 |
|---|---|---|
| committer | Stan Shebs <shebs@codesourcery.com> | 2008-07-07 18:35:24 +0000 |
| commit | bd2e25575ca4a83f509c2d6ea3c55d93eada210c (patch) | |
| tree | 3687ce773bec24395d738e8fedf9fc4826748326 /opcodes/arm-dis.c | |
| parent | b7292df399476ace3dc1eb8ae78b87e6ef91808e (diff) | |
| download | gdb-bd2e25575ca4a83f509c2d6ea3c55d93eada210c.zip gdb-bd2e25575ca4a83f509c2d6ea3c55d93eada210c.tar.gz gdb-bd2e25575ca4a83f509c2d6ea3c55d93eada210c.tar.bz2 | |
2008-07-07 Stan Shebs <stan@codesourcery.com>
* dis-init.c (init_disassemble_info): Init endian_code field.
* arm-dis.c (print_insn): Disassemble code according to
setting of endian_code.
(print_insn_big_arm): Detect when BE8 extension flag has been set.
Diffstat (limited to 'opcodes/arm-dis.c')
| -rw-r--r-- | opcodes/arm-dis.c | 19 |
1 files changed, 15 insertions, 4 deletions
diff --git a/opcodes/arm-dis.c b/opcodes/arm-dis.c index e9a48e5..155e495 100644 --- a/opcodes/arm-dis.c +++ b/opcodes/arm-dis.c @@ -3974,6 +3974,7 @@ print_insn (bfd_vma pc, struct disassemble_info *info, bfd_boolean little) int status; int is_thumb = FALSE; int is_data = FALSE; + int little_code; unsigned int size = 4; void (*printer) (bfd_vma, struct disassemble_info *, long); bfd_boolean found = FALSE; @@ -3986,6 +3987,10 @@ print_insn (bfd_vma pc, struct disassemble_info *info, bfd_boolean little) info->disassembler_options = NULL; } + /* Decide if our code is going to be little-endian, despite what the + function argument might say. */ + little_code = ((info->endian_code == BFD_ENDIAN_LITTLE) || little); + /* First check the full symtab for a mapping symbol, even if there are no usable non-mapping symbols for this address. */ if (info->symtab != NULL @@ -4131,7 +4136,7 @@ print_insn (bfd_vma pc, struct disassemble_info *info, bfd_boolean little) size = 4; status = info->read_memory_func (pc, (bfd_byte *)b, 4, info); - if (little) + if (little_code) given = (b[0]) | (b[1] << 8) | (b[2] << 16) | (b[3] << 24); else given = (b[3]) | (b[2] << 8) | (b[1] << 16) | (b[0] << 24); @@ -4147,7 +4152,7 @@ print_insn (bfd_vma pc, struct disassemble_info *info, bfd_boolean little) size = 2; status = info->read_memory_func (pc, (bfd_byte *)b, 2, info); - if (little) + if (little_code) given = (b[0]) | (b[1] << 8); else given = (b[1]) | (b[0] << 8); @@ -4161,7 +4166,7 @@ print_insn (bfd_vma pc, struct disassemble_info *info, bfd_boolean little) || (given & 0xF800) == 0xE800) { status = info->read_memory_func (pc + 2, (bfd_byte *)b, 2, info); - if (little) + if (little_code) given = (b[0]) | (b[1] << 8) | (given << 16); else given = (b[1]) | (b[0] << 8) | (given << 16); @@ -4172,7 +4177,7 @@ print_insn (bfd_vma pc, struct disassemble_info *info, bfd_boolean little) } if (ifthen_address != pc) - find_ifthen_state(pc, info, little); + find_ifthen_state(pc, info, little_code); if (ifthen_state) { @@ -4210,6 +4215,12 @@ print_insn (bfd_vma pc, struct disassemble_info *info, bfd_boolean little) int print_insn_big_arm (bfd_vma pc, struct disassemble_info *info) { + /* Detect BE8-ness and record it in the disassembler info. */ + if (info->flavour == bfd_target_elf_flavour + && info->section != NULL + && (elf_elfheader (info->section->owner)->e_flags & EF_ARM_BE8)) + info->endian_code = BFD_ENDIAN_LITTLE; + return print_insn (pc, info, FALSE); } |