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get_function_bytes
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serr 2025-01-15 18:51:31 +03:00
parent 388d892263
commit 2810b887a9
1 changed files with 7 additions and 5 deletions
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12
analysis_function.h
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@ -1,6 +1,7 @@
#pragma once #pragma once
#include <stdio.h> #include <stdio.h>
#include <stdint.h>
#define RET 0xC3 // ret opcode #define RET 0xC3 // ret opcode
@ -13,8 +14,8 @@ byte* AF_address(byte* f) {
real_address = f; real_address = f;
#else // MSVC debug mode #else // MSVC debug mode
byte* f_p = f; byte* f_p = f;
byte* offset = (byte*)(*((int*)f_p) >> 8); byte* offset = (byte*)(*((int32_t*)f_p) >> 8);
real_address = f_p + (int)offset + 5; real_address = f_p + (int32_t)offset + 5;
#endif #endif
#elif defined(__GNUC__) // GCC #elif defined(__GNUC__) // GCC
real_address = f; real_address = f;
@ -23,13 +24,14 @@ byte* AF_address(byte* f) {
} }
// Print bytes from address to address+size // Print bytes from address to address+size
int AF_print_bytes(byte* a, int size) { int32_t AF_print_bytes(byte* a, int32_t size) {
for (int i = 0; i < size; ++i) { for (int32_t i = 0; i < size; ++i) {
printf("%02X ", *(a + i)); printf("%02X ", *(a + i));
} }
} }
// Get any function size // Get any function size
int AF_size(byte* f) { int32_t AF_size(byte* f) {
byte* p = f; byte* p = f;
for (; *p != RET; ++p); for (; *p != RET; ++p);
return p - f + 1; return p - f + 1;