jni/ruby/ext/fiddle/libffi-3.2.1/testsuite/libffi.call/cls_longdouble.c


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/* Area:                ffi_call, closure_call
   Purpose:             Check long double arguments.
   Limitations: none.
   PR:                  none.
   Originator:  Blake Chaffin   */

/* { dg-excess-errors "no long double format" { xfail x86_64-*-mingw* x86_64-*-cygwin* } } */
/* This test is known to PASS on armv7l-unknown-linux-gnueabihf, so I have
   remove the xfail for arm*-*-* below, until we know more.  */
/* { dg-do run { xfail strongarm*-*-* xscale*-*-* } } */
/* { dg-options -mlong-double-128 { target powerpc64*-*-linux* } } */
/* { dg-output "" { xfail x86_64-*-mingw* x86_64-*-cygwin* } } */

#include "ffitest.h"

long double cls_ldouble_fn(
        long double     a1,
        long double     a2,
        long double     a3,
        long double     a4,
        long double     a5,
        long double     a6,
        long double     a7,
        long double     a8)
{
        long double     r = a1 + a2 + a3 + a4 + a5 + a6 + a7 + a8;

        printf("%Lg %Lg %Lg %Lg %Lg %Lg %Lg %Lg: %Lg\n",
                a1, a2, a3, a4, a5, a6, a7, a8, r);

        return r;
}

static void
cls_ldouble_gn(ffi_cif* cif __UNUSED__, void* resp, 
               void** args, void* userdata __UNUSED__)
{
        long double     a1      = *(long double*)args[0];
        long double     a2      = *(long double*)args[1];
        long double     a3      = *(long double*)args[2];
        long double     a4      = *(long double*)args[3];
        long double     a5      = *(long double*)args[4];
        long double     a6      = *(long double*)args[5];
        long double     a7      = *(long double*)args[6];
        long double     a8      = *(long double*)args[7];

        *(long double*)resp = cls_ldouble_fn(
                a1, a2, a3, a4, a5, a6, a7, a8);
}

int main(void)
{
        ffi_cif cif;
        void* code;
        ffi_closure*    pcl = ffi_closure_alloc(sizeof(ffi_closure), &code);
        void*                   args[9];
        ffi_type*               arg_types[9];
        long double             res     = 0;

        long double     arg1    = 1;
        long double     arg2    = 2;
        long double     arg3    = 3;
        long double     arg4    = 4;
        long double     arg5    = 5;
        long double     arg6    = 6;
        long double     arg7    = 7;
        long double     arg8    = 8;

        arg_types[0] = &ffi_type_longdouble;
        arg_types[1] = &ffi_type_longdouble;
        arg_types[2] = &ffi_type_longdouble;
        arg_types[3] = &ffi_type_longdouble;
        arg_types[4] = &ffi_type_longdouble;
        arg_types[5] = &ffi_type_longdouble;
        arg_types[6] = &ffi_type_longdouble;
        arg_types[7] = &ffi_type_longdouble;
        arg_types[8] = NULL;

        CHECK(ffi_prep_cif(&cif, FFI_DEFAULT_ABI, 8, &ffi_type_longdouble,
                arg_types) == FFI_OK);

        args[0] = &arg1;
        args[1] = &arg2;
        args[2] = &arg3;
        args[3] = &arg4;
        args[4] = &arg5;
        args[5] = &arg6;
        args[6] = &arg7;
        args[7] = &arg8;
        args[8] = NULL;

        ffi_call(&cif, FFI_FN(cls_ldouble_fn), &res, args);
        /* { dg-output "1 2 3 4 5 6 7 8: 36" } */
        printf("res: %Lg\n", res);
        /* { dg-output "\nres: 36" } */

        CHECK(ffi_prep_closure_loc(pcl, &cif, cls_ldouble_gn, NULL, code) == FFI_OK);

        res = ((long double(*)(long double, long double, long double, long double,
                long double, long double, long double, long double))(code))(arg1, arg2,
                arg3, arg4, arg5, arg6, arg7, arg8);
        /* { dg-output "\n1 2 3 4 5 6 7 8: 36" } */
        printf("res: %Lg\n", res);
        /* { dg-output "\nres: 36" } */

        return 0;
}