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Microsoft Specific

Returns the EFLAGS value from the caller's context.

unsigned int __getcallerseflags(void);

EFLAGS value from the caller's context.




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

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