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Implement wao for dalvik ##write

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pancake 2019-06-26 04:47:43 +02:00 committed by radare
parent b50e7e9602
commit b4e696f96d
1 changed files with 19 additions and 1 deletions
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20
libr/core/hack.c
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@ -20,12 +20,28 @@ void r_core_hack_help(const RCore *core) {
"wao", " nocj", "remove conditional operation from branch (make it unconditional)",
"wao", " trap", "make the current opcode a trap",
"wao", " recj", "reverse (swap) conditional branch instruction",
"NOTE:", "", "those operations are only implemented for x86 and arm atm.", //TODO
"WIP:", "", "not all archs are supported and not all commands work on all archs",
NULL
};
r_core_cmd_help (core, help_msg);
}
R_API bool r_core_hack_dalvik(RCore *core, const char *op, const RAnalOp *analop) {
if (!strcmp (op, "nop")) {
r_core_cmdf (core, "wx 0000");
} else if (!strcmp (op, "ret2")) {
r_core_cmdf (core, "wx 12200f00"); // mov v0, 2;ret v0
} else if (!strcmp (op, "ret1")) {
r_core_cmdf (core, "wx 12100f00"); // mov v0, 1;ret v0
} else if (!strcmp (op, "ret0")) {
r_core_cmdf (core, "wx 12000f00"); // mov v0, 0;ret v0
} else {
eprintf ("Unsupported operation '%s'\n", op);
return false;
}
return true;
}
R_API bool r_core_hack_arm64(RCore *core, const char *op, const RAnalOp *analop) {
if (!strcmp (op, "nop")) {
r_core_cmdf (core, "wx 1f2003d5");
@ -255,6 +271,8 @@ R_API int r_core_hack(RCore *core, const char *op) {
}
if (strstr (asmarch, "x86")) {
hack = r_core_hack_x86;
} else if (strstr (asmarch, "dalvik")) {
hack = r_core_hack_dalvik;
} else if (strstr (asmarch, "arm")) {
if (asmbits == 64) {
hack = r_core_hack_arm64;