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This commit is contained in:
vanhauser-thc
2021-04-28 10:59:34 +02:00
parent 39ad3b8946
commit dde0538b48
5 changed files with 13 additions and 12 deletions
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10
utils/aflpp_driver/aflpp_qemu_driver_hook.c
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@ -3,12 +3,12 @@
#include <stdint.h>
#include <string.h>
void afl_persistent_hook(struct x86_64_regs *regs, uint64_t guest_base,
uint8_t *input_buf, uint32_t input_buf_len) {
#define g2h(x) ((void *)((unsigned long)(x) + guest_base))
#define h2g(x) ((uint64_t)(x)-guest_base)
void afl_persistent_hook(struct x86_64_regs *regs, uint64_t guest_base,
uint8_t *input_buf, uint32_t input_buf_len) {
// In this example the register RDI is pointing to the memory location
// of the target buffer, and the length of the input is in RSI.
// This can be seen with a debugger, e.g. gdb (and "disass main")
@ -16,11 +16,11 @@ void afl_persistent_hook(struct x86_64_regs *regs, uint64_t guest_base,
memcpy(g2h(regs->rdi), input_buf, input_buf_len);
regs->rsi = input_buf_len;
}
#undef g2h
#undef h2g
}
int afl_persistent_hook_init(void) {
// 1 for shared memory input (faster), 0 for normal input (you have to use