75 lines
1.6 KiB
C
75 lines
1.6 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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float f1;
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float f2;
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double d;
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} test_structure_7;
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static test_structure_7 ABI_ATTR struct7 (test_structure_7 ts)
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{
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ts.f1 += 1;
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ts.f2 += 1;
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ts.d += 1;
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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 ts7_type;
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ffi_type *ts7_type_elements[4];
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test_structure_7 ts7_arg;
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/* This is a hack to get a properly aligned result buffer */
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test_structure_7 *ts7_result =
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(test_structure_7 *) malloc (sizeof(test_structure_7));
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ts7_type.size = 0;
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ts7_type.alignment = 0;
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ts7_type.type = FFI_TYPE_STRUCT;
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ts7_type.elements = ts7_type_elements;
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ts7_type_elements[0] = &ffi_type_float;
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ts7_type_elements[1] = &ffi_type_float;
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ts7_type_elements[2] = &ffi_type_double;
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ts7_type_elements[3] = NULL;
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args[0] = &ts7_type;
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values[0] = &ts7_arg;
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/* Initialize the cif */
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CHECK(ffi_prep_cif(&cif, ABI_NUM, 1, &ts7_type, args) == FFI_OK);
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ts7_arg.f1 = 5.55f;
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ts7_arg.f2 = 55.5f;
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ts7_arg.d = 6.66;
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printf ("%g\n", ts7_arg.f1);
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printf ("%g\n", ts7_arg.f2);
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printf ("%g\n", ts7_arg.d);
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ffi_call(&cif, FFI_FN(struct7), ts7_result, values);
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printf ("%g\n", ts7_result->f1);
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printf ("%g\n", ts7_result->f2);
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printf ("%g\n", ts7_result->d);
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CHECK(ts7_result->f1 == 5.55f + 1);
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CHECK(ts7_result->f2 == 55.5f + 1);
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CHECK(ts7_result->d == 6.66 + 1);
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free (ts7_result);
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exit(0);
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}
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