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Further optimization of AARCH64 code

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jon 2021-12-27 12:27:11 +00:00
parent 7bd2899f2e
commit 65ffa4b472
1 changed files with 8 additions and 8 deletions
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16
frida_mode/src/instrument/instrument_arm64.c
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@ -27,7 +27,7 @@ typedef struct {
// prev_location = cur_location >> 1;
// stp x0, x1, [sp, #-160]
// adrp x0, 0x7fb7ff4000
// adrp x0, 0x7fb7738000
// ldr x1, [x0]
// mov x0, #0x18b8
// eor x0, x1, x0
@ -35,10 +35,10 @@ typedef struct {
// add x0, x1, x0
// ldrb w1, [x0]
// add w1, w1, #0x1
// tbz w1, #8, 0x7fb6f0dec8
// mov w1, #0x1
// add x1, x1, x1, lsr #8
// uxtb w1, w1
// strb w1, [x0]
// adrp x0, 0x7fb7ff4000
// adrp x0, 0x7fb7738000
// mov x1, #0xc5c
// str x1, [x0]
// ldp x0, x1, [sp, #-160]
@ -57,8 +57,8 @@ typedef struct {
uint32_t ldrb_w1_x0; /* ldrb w1, [x0] */
uint32_t add_w1_w1_1; /* add w1, w1, #1 */
uint32_t tbz_w1_8_8; /* tbz w1, #8, #8 */
uint32_t mov_w1_1; /* mov w1, #1 */
uint32_t add_w1_w1_w1_lsr_8; /* add x1, x1, x1, lsr #8 */
uint32_t uxtb_w1_w1; /* uxtb w1, w1 */
uint32_t strb_w1_ptr_x0; /* strb w1, [x0] */
@ -99,8 +99,8 @@ static const afl_log_code_asm_t template =
.ldrb_w1_x0 = 0x39400001,
.add_w1_w1_1 = 0x11000421,
.tbz_w1_8_8 = 0x36400041,
.mov_w1_1 = 0x52800021,
.add_w1_w1_w1_lsr_8 = 0x8b412021,
.uxtb_w1_w1 = 0x53001c21,
.strb_w1_ptr_x0 = 0x39000001,