Microsoft Specific

Returns the EFLAGS value from the caller's context.


unsigned int __getcallerseflags(void);

Return value

EFLAGS value from the caller's context.


Intrinsic Architecture
__getcallerseflags x86, x64

Header file <intrin.h>


This routine is only available as an intrinsic.


// getcallerseflags.cpp
// processor: x86, x64

#include <stdio.h>
#include <intrin.h>

#pragma intrinsic(__getcallerseflags)

unsigned int g()
    unsigned int EFLAGS = __getcallerseflags();
    printf_s("EFLAGS 0x%x\n", EFLAGS);
    return EFLAGS;
unsigned int f()
    return g();

int main()
    unsigned int i;
    i = f();
    i = g();
    return 0;
EFLAGS 0x202
EFLAGS 0x206

END Microsoft Specific

See also

Compiler intrinsics