mirror of
https://github.com/autc04/Retro68.git
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62 lines
1.2 KiB
C
62 lines
1.2 KiB
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 char uc;
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double d;
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unsigned int ui;
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} test_structure_1;
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static test_structure_1 struct1(test_structure_1 ts)
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{
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ts.uc++;
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ts.d--;
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ts.ui++;
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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 ts1_type;
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ffi_type *ts1_type_elements[4];
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memset(&cif, 1, sizeof(cif));
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ts1_type.size = 0;
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ts1_type.alignment = 0;
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ts1_type.type = FFI_TYPE_STRUCT;
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ts1_type.elements = ts1_type_elements;
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ts1_type_elements[0] = &ffi_type_uchar;
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ts1_type_elements[1] = &ffi_type_double;
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ts1_type_elements[2] = &ffi_type_uint;
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ts1_type_elements[3] = NULL;
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test_structure_1 ts1_arg;
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/* This is a hack to get a properly aligned result buffer */
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test_structure_1 *ts1_result =
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(test_structure_1 *) malloc (sizeof(test_structure_1));
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args[0] = &ts1_type;
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values[0] = &ts1_arg;
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/* Initialize the cif */
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CHECK(ffi_prep_cif(&cif, FFI_DEFAULT_ABI, 1,
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&ts1_type, args) == FFI_OK);
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ts1_arg.uc = '\x01';
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ts1_arg.d = 3.14159;
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ts1_arg.ui = 555;
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ffi_call(&cif, FFI_FN(struct1), ts1_result, values);
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CHECK(ts1_result->ui == 556);
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CHECK(ts1_result->d == 3.14159 - 1);
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free (ts1_result);
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exit(0);
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}
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