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arm64: add big-endian support

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This commit is contained in:
Nguyen Anh Quynh 2014-01-09 09:13:48 +08:00
parent a768c9eb2c
commit 77944e0dab
1 changed files with 9 additions and 5 deletions
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14
arch/AArch64/AArch64Disassembler.c
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@ -280,7 +280,7 @@ void AArch64_init(MCRegisterInfo *MRI)
}
static DecodeStatus _getInstruction(MCInst *MI,
static DecodeStatus _getInstruction(cs_struct *ud, MCInst *MI,
const uint8_t *code, size_t code_len,
uint16_t *Size,
uint64_t Address, MCRegisterInfo *MRI)
@ -291,9 +291,13 @@ static DecodeStatus _getInstruction(MCInst *MI,
return MCDisassembler_Fail;
}
// Encoded as a small-endian 32-bit word in the stream.
uint32_t insn = (code[3] << 24) | (code[2] << 16) |
(code[1] << 8) | (code[0] << 0);
uint32_t insn;
if (ud->big_endian)
insn = (code[3] << 0) | (code[2] << 8) |
(code[1] << 16) | (code[0] << 24);
else
insn = (code[3] << 24) | (code[2] << 16) |
(code[1] << 8) | (code[0] << 0);
//printf("insn: %u\n", insn);
// Calling the auto-generated decoder function.
@ -311,7 +315,7 @@ static DecodeStatus _getInstruction(MCInst *MI,
bool AArch64_getInstruction(csh ud, unsigned char *code, size_t code_len, MCInst *instr, uint16_t *size, uint64_t address, void *info)
{
DecodeStatus status = _getInstruction(instr,
DecodeStatus status = _getInstruction((cs_struct *)ud, instr,
code, code_len,
size,
address, (MCRegisterInfo *)info);