mirror of git://gcc.gnu.org/git/gcc.git
65 lines
1.5 KiB
C
65 lines
1.5 KiB
C
/* Area: ffi_call, closure_call
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Purpose: Test long doubles passed in variable argument lists.
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Limitations: none.
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PR: none.
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Originator: Blake Chaffin 6/6/2007 */
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/* { dg-do run { xfail mips*-*-* arm*-*-* strongarm*-*-* xscale*-*-* x86_64-*-mingw* x86_64-*-cygwin* } } */
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#include "ffitest.h"
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static void
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cls_longdouble_va_fn(ffi_cif* cif __UNUSED__, void* resp,
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void** args, void* userdata __UNUSED__)
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{
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char* format = *(char**)args[0];
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long double ldValue = *(long double*)args[1];
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*(ffi_arg*)resp = printf(format, ldValue);
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}
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int main (void)
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{
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ffi_cif cif;
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#ifndef USING_MMAP
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static ffi_closure cl;
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#endif
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ffi_closure *pcl;
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void* args[3];
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ffi_type* arg_types[3];
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#ifdef USING_MMAP
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pcl = allocate_mmap (sizeof(ffi_closure));
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#else
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pcl = &cl;
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#endif
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char* format = "%L.1f\n";
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long double ldArg = 7;
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ffi_arg res = 0;
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arg_types[0] = &ffi_type_pointer;
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arg_types[1] = &ffi_type_longdouble;
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arg_types[2] = NULL;
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CHECK(ffi_prep_cif(&cif, FFI_DEFAULT_ABI, 2, &ffi_type_sint,
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arg_types) == FFI_OK);
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args[0] = &format;
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args[1] = &ldArg;
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args[2] = NULL;
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ffi_call(&cif, FFI_FN(printf), &res, args);
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// { dg-output "7.0" { xfail i*86-*-linux-* x86_64-*-linux-* sh*-*-linux-* } }
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printf("res: %d\n", (int) res);
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// { dg-output "\nres: 4" { xfail i*86-*-linux-* x86_64-*-linux-* sh*-*-linux-* } }
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CHECK(ffi_prep_closure(pcl, &cif, cls_longdouble_va_fn, NULL) == FFI_OK);
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res = ((int(*)(char*, long double))(pcl))(format, ldArg);
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// { dg-output "\n7.0" }
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printf("res: %d\n", (int) res);
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// { dg-output "\nres: 4" }
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exit(0);
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}
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