67 lines
1.4 KiB
C
67 lines
1.4 KiB
C
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/* 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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char c1;
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char c2;
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} test_structure_5;
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static test_structure_5 ABI_ATTR struct5(test_structure_5 ts1, test_structure_5 ts2)
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{
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ts1.c1 += ts2.c1;
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ts1.c2 -= ts2.c2;
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return ts1;
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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 ts5_type;
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ffi_type *ts5_type_elements[3];
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test_structure_5 ts5_arg1, ts5_arg2;
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/* This is a hack to get a properly aligned result buffer */
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test_structure_5 *ts5_result =
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(test_structure_5 *) malloc (sizeof(test_structure_5));
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ts5_type.size = 0;
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ts5_type.alignment = 0;
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ts5_type.type = FFI_TYPE_STRUCT;
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ts5_type.elements = ts5_type_elements;
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ts5_type_elements[0] = &ffi_type_schar;
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ts5_type_elements[1] = &ffi_type_schar;
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ts5_type_elements[2] = NULL;
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args[0] = &ts5_type;
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args[1] = &ts5_type;
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values[0] = &ts5_arg1;
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values[1] = &ts5_arg2;
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/* Initialize the cif */
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CHECK(ffi_prep_cif(&cif, ABI_NUM, 2, &ts5_type, args) == FFI_OK);
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ts5_arg1.c1 = 2;
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ts5_arg1.c2 = 6;
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ts5_arg2.c1 = 5;
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ts5_arg2.c2 = 3;
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ffi_call (&cif, FFI_FN(struct5), ts5_result, values);
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CHECK(ts5_result->c1 == 7);
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CHECK(ts5_result->c2 == 3);
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free (ts5_result);
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exit(0);
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}
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