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Code cleanup

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This commit is contained in:
Pierre Pronchery 2015-09-05 15:49:45 +02:00
parent 9f3995c5f6
commit d7c6926699
1 changed files with 18 additions and 17 deletions
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35
src/arch/i386.h
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@ -103,28 +103,29 @@ static int _i386_decode(AsmArchPlugin * plugin, AsmArchInstructionCall * call)
if((ai = helper->get_instruction_by_opcode(helper->arch, 8, opcode))
== NULL)
{
u16 = u8;
u16 = u8 << 8;
if(helper->peek(helper->arch, &u8, sizeof(u8)) == sizeof(u8))
{
opcode = (u16 << 8) | u8;
ai = helper->get_instruction_by_opcode(helper->arch, 16,
opcode);
if(ai != NULL)
u16 |= u8;
if((ai = helper->get_instruction_by_opcode(helper->arch,
16, u16)) != NULL)
{
opcode = u16;
helper->read(helper->arch, &u8, sizeof(u8));
else
opcode >>= 8;
}
if(ai == NULL)
{
call->name = "db";
call->operands[0].definition = AO_IMMEDIATE(0, 8, 0);
call->operands[0].value.immediate.name = NULL;
call->operands[0].value.immediate.value = opcode;
call->operands[0].value.immediate.negative = 0;
call->operands_cnt = 1;
return 0;
}
}
}
if(ai == NULL)
{
/* no opcode was recognized */
call->name = "db";
call->operands[0].definition = AO_IMMEDIATE(0, 8, 0);
call->operands[0].value.immediate.name = NULL;
call->operands[0].value.immediate.value = opcode;
call->operands[0].value.immediate.negative = 0;
call->operands_cnt = 1;
return 0;
}
if((ai = _decode_opcode(plugin, ai)) == NULL)
return -1;
call->name = ai->name;