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Fix conditional instructions analysis in PowerPC-capstone

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pancake 2016-04-26 23:47:34 +02:00
parent e9dc4ae89e
commit f40305b34d
1 changed files with 22 additions and 1 deletions
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23
libr/anal/p/anal_ppc_cs.c
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@ -284,12 +284,33 @@ static int analop(RAnal *a, RAnalOp *op, ut64 addr, const ut8 *buf, int len) {
case PPC_INS_BA:
op->type = R_ANAL_OP_TYPE_JMP;
op->jump = (ut64)insn->detail->ppc.operands[0].imm;
switch (insn->detail->ppc.bc) {
case PPC_BC_INVALID:
// non-conditional
op->type = R_ANAL_OP_TYPE_ILL;
break;
case PPC_BC_LT:
case PPC_BC_LE:
case PPC_BC_EQ:
case PPC_BC_GE:
case PPC_BC_GT:
case PPC_BC_NE:
case PPC_BC_UN:
case PPC_BC_NU:
case PPC_BC_SO:
case PPC_BC_NS:
op->type = R_ANAL_OP_TYPE_CJMP;
op->fail = addr + 4;
break;
default:
break;
}
switch (insn->detail->ppc.operands[0].type) {
case PPC_OP_CRX:
op->type = R_ANAL_OP_TYPE_CJMP;
break;
case PPC_OP_REG:
op->type = R_ANAL_OP_TYPE_CJMP;
op->type = R_ANAL_OP_TYPE_UJMP;
op->jump = (ut64)insn->detail->ppc.operands[1].imm;
op->fail = addr+4;
//op->type = R_ANAL_OP_TYPE_UJMP;