43 lines
1 KiB
C
43 lines
1 KiB
C
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/* Area: closure_call
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Purpose: Check return value uchar.
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Limitations: none.
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PR: none.
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Originator: <andreast@gcc.gnu.org> 20030828 */
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/* { dg-do run } */
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#include "ffitest.h"
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static void cls_ret_uchar_fn(ffi_cif* cif __UNUSED__, void* resp, void** args,
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void* userdata __UNUSED__)
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{
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*(ffi_arg*)resp = *(unsigned char *)args[0];
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printf("%d: %d\n",*(unsigned char *)args[0],
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(int)*(ffi_arg *)(resp));
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}
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typedef unsigned char (*cls_ret_uchar)(unsigned char);
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int main (void)
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{
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ffi_cif cif;
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void *code;
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ffi_closure *pcl = ffi_closure_alloc(sizeof(ffi_closure), &code);
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ffi_type * cl_arg_types[2];
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unsigned char res;
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cl_arg_types[0] = &ffi_type_uchar;
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cl_arg_types[1] = NULL;
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/* Initialize the cif */
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CHECK(ffi_prep_cif(&cif, FFI_DEFAULT_ABI, 1,
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&ffi_type_uchar, cl_arg_types) == FFI_OK);
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CHECK(ffi_prep_closure_loc(pcl, &cif, cls_ret_uchar_fn, NULL, code) == FFI_OK);
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res = (*((cls_ret_uchar)code))(127);
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/* { dg-output "127: 127" } */
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printf("res: %d\n",res);
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/* { dg-output "\nres: 127" } */
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exit(0);
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}
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