64 lines
1.3 KiB
C
64 lines
1.3 KiB
C
/* Area: ffi_call
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Purpose: Check structures.
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Limitations: none.
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PR: none.
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Originator: From the original ffitest.c */
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/* { dg-do run } */
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#include "ffitest.h"
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typedef struct
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{
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unsigned ui1;
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unsigned ui2;
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unsigned ui3;
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} test_structure_4;
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static test_structure_4 ABI_ATTR struct4(test_structure_4 ts)
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{
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ts.ui3 = ts.ui1 * ts.ui2 * ts.ui3;
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return ts;
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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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ffi_type *args[MAX_ARGS];
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void *values[MAX_ARGS];
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ffi_type ts4_type;
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ffi_type *ts4_type_elements[4];
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test_structure_4 ts4_arg;
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/* This is a hack to get a properly aligned result buffer */
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test_structure_4 *ts4_result =
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(test_structure_4 *) malloc (sizeof(test_structure_4));
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ts4_type.size = 0;
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ts4_type.alignment = 0;
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ts4_type.type = FFI_TYPE_STRUCT;
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ts4_type.elements = ts4_type_elements;
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ts4_type_elements[0] = &ffi_type_uint;
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ts4_type_elements[1] = &ffi_type_uint;
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ts4_type_elements[2] = &ffi_type_uint;
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ts4_type_elements[3] = NULL;
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args[0] = &ts4_type;
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values[0] = &ts4_arg;
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/* Initialize the cif */
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CHECK(ffi_prep_cif(&cif, ABI_NUM, 1, &ts4_type, args) == FFI_OK);
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ts4_arg.ui1 = 2;
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ts4_arg.ui2 = 3;
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ts4_arg.ui3 = 4;
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ffi_call (&cif, FFI_FN(struct4), ts4_result, values);
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CHECK(ts4_result->ui3 == 2U * 3U * 4U);
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free (ts4_result);
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exit(0);
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}
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