added gcc support

analysis_function.h

@@ -0,0 +1,41 @@
+#pragma once
+
+#include <stdio.h>
+
+#define RET 0xC3 // ret opcode
+
+typedef unsigned char byte;
+
+byte* AF_address(byte* f) {
+    byte* real_address = NULL;
+    #ifdef _MSC_VER // MSVC
+        //printf("MSVC Compiler Detected\n");
+        #ifdef NDEBUG // MSVC release mode
+            real_address = f;
+            //printf("FUNCTION ADDRESS: %p\n", real_address);
+        #else // MSVC debug mode
+            byte* f_p = f;
+            byte* offset = (byte*)(*((int*)f_p) >> 8);
+            real_address = f_p + (int)offset + 5;
+            //printf("TABLE ADDRESS: %p\n", f_p);
+            //printf("OFFSET: %p\n", offset);
+            //printf("REAL ADDRESS: %p\n", real_address);
+        #endif
+    #elif defined(__GNUC__) // GCC
+            //printf("GCC Compiler Detected\n");
+            real_address = f;
+            //printf("FUNCTION ADDRESS: %p\n", real_address);
+    #endif
+    return real_address;
+}
+
+// Print bytes from address to address+size
+int AF_print_bytes(byte* a, int size) {
+    for (int i = 0; i < size; ++i) printf("%02X ", *(a + i));
+}
+// Get any function size
+int AF_size(byte* f) {
+    byte* p = f;
+    for (; *p != RET; ++p);
+    return p - f + 1;
+}

example.c

@@ -0,0 +1,20 @@
+// Usage example
+#include <stdio.h>
+#include "analysis_function.h"
+
+// Test function
+int sum(int a, int b) { 
+    printf("a = %i, b = %i\n", a, b);
+    a = a * 2 + b;
+    b = b * 3 + 2;
+    return a + b; 
+}
+
+int main() {
+    byte* addr = AF_address(sum);
+    // Get function size
+    int fsize = AF_size(addr);
+    // Print all function bytes
+    printf("FUNCTION BYTES: "); AF_print_bytes(addr, fsize); printf("\n");
+    return 0;
+}