Загрузить файлы в «/»

label_pointer.c

@@ -0,0 +1,36 @@
+#include <stdio.h>
+#include <intrin.h>
+
+#pragma intrinsic(_ReturnAddress)
+
+char* next_instruction_address(void) { return (char*)_ReturnAddress(); }
+
+int test(
+    char* (*_next_instruction_address) (void)
+) {
+    char* p_begin = _next_instruction_address() + 13;
+begin:;
+    int a = 2;
+    int b = 2;
+    char* p_end = _next_instruction_address() + 13;
+end:;
+
+    char* save_p_end = p_end;
+    char* save_p_begin = p_begin;
+    __asm {
+        lea eax, begin
+        mov p_begin, eax
+        lea eax, end
+        mov p_end, eax
+    }
+    printf("%lu=%lu\n%lu=%lu\n", 
+        (size_t)save_p_end, (size_t)p_end, 
+        (size_t)save_p_begin, (size_t)p_begin);
+
+    return a + b;
+}
+
+int main(void) {
+    test(next_instruction_address);
+    return 0;
+}