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Add MIPS branch likely variants to MIPS CS analysis

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Marq Schneider 2017-04-26 12:56:38 -05:00 committed by radare
parent 0a3d2ad085
commit 183938ef19
1 changed files with 9 additions and 1 deletions
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10
libr/anal/p/anal_mips_cs.c
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@ -270,10 +270,12 @@ static int analop_esil(RAnal *a, RAnalOp *op, ut64 addr, const ut8 *buf, int len
r_strbuf_appendf (&op->esil, ES_TRAP_DS () "," ES_J ("%s"), ARG (0));
break;
case MIPS_INS_BNE: // bne $s, $t, offset
case MIPS_INS_BNEL:
r_strbuf_appendf (&op->esil, ES_TRAP_DS () ",%s,%s,==,$z,!,?{,"ES_J ("%s")",}",
ARG (0), ARG (1), ARG (2));
break;
case MIPS_INS_BEQ:
case MIPS_INS_BEQL:
r_strbuf_appendf (&op->esil, ES_TRAP_DS () ",%s,%s,==,$z,?{,"ES_J ("%s")",}",
ARG (0), ARG (1), ARG (2));
break;
@ -293,6 +295,7 @@ static int analop_esil(RAnal *a, RAnalOp *op, ut64 addr, const ut8 *buf, int len
break;
case MIPS_INS_BLEZ:
case MIPS_INS_BLEZC:
case MIPS_INS_BLEZL:
r_strbuf_appendf (&op->esil, ES_TRAP_DS () ",0,%s,==,$z,?{,"ES_J ("%s")",BREAK,},",
ARG (0), ARG (1));
r_strbuf_appendf (&op->esil, ES_TRAP_DS () ",1,"ES_IS_NEGATIVE ("%s")",==,$z,?{,"ES_J ("%s")",}",
@ -300,6 +303,7 @@ static int analop_esil(RAnal *a, RAnalOp *op, ut64 addr, const ut8 *buf, int len
break;
case MIPS_INS_BGEZ:
case MIPS_INS_BGEZC:
case MIPS_INS_BGEZL:
r_strbuf_appendf (&op->esil, ES_TRAP_DS () ",0,"ES_IS_NEGATIVE ("%s")",==,$z,?{,"ES_J ("%s")",}",
ARG (0), ARG (1));
break;
@ -321,11 +325,13 @@ static int analop_esil(RAnal *a, RAnalOp *op, ut64 addr, const ut8 *buf, int len
break;
case MIPS_INS_BLTZ:
case MIPS_INS_BLTZC:
case MIPS_INS_BLTZL:
r_strbuf_appendf (&op->esil, ES_TRAP_DS () ",1,"ES_IS_NEGATIVE ("%s")",==,$z,?{,"ES_J ("%s")",}",
ARG (0), ARG (1));
break;
case MIPS_INS_BGTZ:
case MIPS_INS_BGTZC:
case MIPS_INS_BGTZL:
r_strbuf_appendf (&op->esil, ES_TRAP_DS () ",0,%s,==,$z,?{,BREAK,},", ARG (0));
r_strbuf_appendf (&op->esil, ES_TRAP_DS () ",0,"ES_IS_NEGATIVE ("%s")",==,$z,?{,"ES_J("%s")",}",
ARG (0), ARG (1));
@ -788,6 +794,8 @@ static int analop(RAnal *anal, RAnalOp *op, ut64 addr, const ut8 *buf, int len)
case MIPS_INS_BEQ:
case MIPS_INS_BNZ:
case MIPS_INS_BNE:
case MIPS_INS_BNEL:
case MIPS_INS_BEQL:
case MIPS_INS_BEQZ:
case MIPS_INS_BNEG:
case MIPS_INS_BNEGI:
@ -825,7 +833,7 @@ static int analop(RAnal *anal, RAnalOp *op, ut64 addr, const ut8 *buf, int len)
case MIPS_INS_BGEZC:
case MIPS_INS_BLTZC:
case MIPS_INS_BGTZC:
// compact vesions (no delay)
// compact versions (no delay)
op->delay = 0;
op->fail = addr+4;
break;