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Handle je and jne as aliases for jz and jnz in wao ##asm

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* As suggested by Live Overflow's 'patching binaries' video
* https://www.youtube.com/watch?v=LyNyf3UM9Yc
This commit is contained in:
pancake 2021-05-05 00:11:38 +02:00
parent 3af7510818
commit c19251200f
1 changed files with 9 additions and 9 deletions
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18
libr/core/hack.c
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@ -1,4 +1,4 @@
/* radare - LGPL - Copyright 2011-2020 - pancake */
/* radare - LGPL - Copyright 2011-2021 - pancake */
#include <r_core.h>
@ -12,8 +12,8 @@ void r_core_hack_help(const RCore *core) {
"wao", " [op]", "performs a modification on current opcode",
"wao", " nop", "nop current opcode",
"wao", " jinf", "assemble an infinite loop",
"wao", " jz", "make current opcode conditional (zero)",
"wao", " jnz", "make current opcode conditional (not zero)",
"wao", " jz", "make current opcode conditional (same as je) (zero)",
"wao", " jnz", "make current opcode conditional (same as jne) (not zero)",
"wao", " ret1", "make the current opcode return 1",
"wao", " ret0", "make the current opcode return 0",
"wao", " retn", "make the current opcode return -1",
@ -51,12 +51,12 @@ R_API bool r_core_hack_arm64(RCore *core, const char *op, const RAnalOp *analop)
r_core_cmdf (core, "wx c0035fd6t");
} else if (!strcmp (op, "trap")) {
r_core_cmdf (core, "wx 000020d4");
} else if (!strcmp (op, "jz")) {
} else if (!strcmp (op, "jz") || !strcmp (op, "je")) {
eprintf ("ARM jz hack not supported\n");
return false;
} else if (!strcmp (op, "jinf")) {
r_core_cmdf (core, "wx 00000014");
} else if (!strcmp (op, "jnz")) {
} else if (!strcmp (op, "jnz") || !strcmp (op, "jne")) {
eprintf ("ARM jnz hack not supported\n");
return false;
} else if (!strcmp (op, "nocj")) {
@ -108,7 +108,7 @@ R_API bool r_core_hack_arm(RCore *core, const char *op, const RAnalOp *analop) {
} else if (!strcmp (op, "trap")) {
const char* trapcode = (bits==16)? "bebe": "fedeffe7";
r_core_cmdf (core, "wx %s\n", trapcode);
} else if (!strcmp (op, "jz")) {
} else if (!strcmp (op, "jz") || !strcmp (op, "je")) {
if (bits == 16) {
switch (b[1]) {
case 0xb9: // CBNZ
@ -128,7 +128,7 @@ R_API bool r_core_hack_arm(RCore *core, const char *op, const RAnalOp *analop) {
eprintf ("ARM jz hack not supported\n");
return false;
}
} else if (!strcmp (op, "jnz")) {
} else if (!strcmp (op, "jnz") || !strcmp (op, "jne")) {
if (bits == 16) {
switch (b[1]) {
case 0xb1: // CBZ
@ -215,7 +215,7 @@ R_API bool r_core_hack_x86(RCore *core, const char *op, const RAnalOp *analop) {
free (str);
} else if (!strcmp (op, "trap")) {
r_core_cmd0 (core, "wx cc\n");
} else if (!strcmp (op, "jz")) {
} else if (!strcmp (op, "jz") || !strcmp (op, "je")) {
if (b[0] == 0x75) {
r_core_cmd0 (core, "wx 74\n");
} else {
@ -224,7 +224,7 @@ R_API bool r_core_hack_x86(RCore *core, const char *op, const RAnalOp *analop) {
}
} else if (!strcmp (op, "jinf")) {
r_core_cmd0 (core, "wx ebfe\n");
} else if (!strcmp (op, "jnz")) {
} else if (!strcmp (op, "jnz") || !strcmp (op, "jne")) {
if (b[0] == 0x74) {
r_core_cmd0 (core, "wx 75\n");
} else {