/*
 * Copyright 2002-2019 Intel Corporation.
 * 
 * This software is provided to you as Sample Source Code as defined in the accompanying
 * End User License Agreement for the Intel(R) Software Development Products ("Agreement")
 * section 1.L.
 * 
 * This software and the related documents are provided as is, with no express or implied
 * warranties, other than those that are expressly stated in the License.
 */

// This tests the alignment of the stack on Intel64

#include "pin.H"
#include <fstream>
#include <stdio.h>

double fl;

VOID sn()
{
    char a[100];
    
    // snprintf does a movaps, which needs the stack aligned correctly
#if defined(PIN_GNU_COMPATIBLE) || defined(PIN_CRT)
    snprintf(a, sizeof(a)/sizeof(a[0]), "a %f\n", fl);
#elif defined(PIN_MS_COMPATIBLE)
    _snprintf(a, sizeof(a)/sizeof(a[0]), "a %f\n", fl);
#endif    
 
}
    
VOID Instruction(INS ins, VOID *v)
{
    static BOOL first = true;

    if (!first)
        return;
    first = false;
    
    // test once with a context and once without
    INS_InsertCall(ins, IPOINT_BEFORE, AFUNPTR(sn), IARG_CONTEXT, IARG_END);
    INS_InsertCall(ins, IPOINT_BEFORE, AFUNPTR(sn), IARG_END);
}

int main(int argc, char * argv[])
{
    PIN_Init(argc, argv);

    INS_AddInstrumentFunction(Instruction, 0);
    
    // Never returns
    PIN_StartProgram();
    
    return 0;
}