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Visual Studio 2005

This function provides the return address of the instruction in the calling function that will be executed after control returns to the caller.

void _ReturnAddress(void);



Build the program in the Example section, and step through it in the debugger.

As you step through the program, note the address that is returned from _ReturnAddress.

Then, immediately after returning from the function where _ReturnAddress was used, open the Disassembly window and note that the address of the next instruction to be executed matches the address returned from _ReturnAddress.

Optimizations such as inlining can affect the return address.

For example, if the following sample program is compiled with /Ob (Inline Function Expansion) with n=1, inline_func is inlined into the calling function, main. Therefore, the calls to _ReturnAddress from inline_func and main each produce the same value.

// compiler_intrinsics__ReturnAddress.cpp
#include <stdio.h>
// _ReturnAddress should be prototyped before use 
#ifdef __cplusplus
extern "C"
void * _ReturnAddress(void);

#pragma intrinsic(_ReturnAddress)

void noinline_func(void)
   printf("Return address from %s: %p\n", __FUNCTION__, _ReturnAddress());

void inline_func(void)
   printf("Return address from %s: %p\n", __FUNCTION__, _ReturnAddress());

int main(void)
   printf("Return address from %s: %p\n", __FUNCTION__, _ReturnAddress());

   return 0;

Routine Required header Architecture



x86, ARM, SH-4, MIPS

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