Обновить label_pointer.c

label_pointer.c

@@ -1,36 +1,37 @@
-#include <stdio.h>
+#include <stdio.h>
-#include <intrin.h>
+#include <intrin.h>
-
+
-#pragma intrinsic(_ReturnAddress)
+#pragma intrinsic(_ReturnAddress)
-
+
-char* next_instruction_address(void) { return (char*)_ReturnAddress(); }
+char* next_instruction_address(void) { return (char*)_ReturnAddress(); }
-
+
-int test(
+int test(
-    char* (*_next_instruction_address) (void)
+    char* (*_next_instruction_address) (void)
-) {
+) {
-    char* p_begin = _next_instruction_address() + 13;
+    char* p_begin = _next_instruction_address() + 13;
-begin:;
+begin:;
-    int a = 2;
+    int a = 2;
-    int b = 2;
+    int b = 2;
-    char* p_end = _next_instruction_address() + 13;
+    char* p_end = _next_instruction_address() + 13;
-end:;
+end:;
-
+
-    char* save_p_end = p_end;
+    char* save_p_end = p_end;
-    char* save_p_begin = p_begin;
+    char* save_p_begin = p_begin;
-    __asm {
+    __asm {
-        lea eax, begin
+        lea eax, begin
-        mov p_begin, eax
+        mov p_begin, eax
-        lea eax, end
+        lea eax, end
-        mov p_end, eax
+        mov p_end, eax
-    }
+    }
-    printf("%lu=%lu\n%lu=%lu\n", 
+    // Сравнение адресов, полученных без вставки и с ней
-        (size_t)save_p_end, (size_t)p_end, 
+    printf("%lu=%lu\n%lu=%lu\n", 
-        (size_t)save_p_begin, (size_t)p_begin);
+        (size_t)save_p_end, (size_t)p_end, 
-
+        (size_t)save_p_begin, (size_t)p_begin);
-    return a + b;
+
-}
+    return a + b;
-
+}
-int main(void) {
+
-    test(next_instruction_address);
+int main(void) {
-    return 0;
+    test(next_instruction_address);
+    return 0;
 }