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[/] [openrisc/] [trunk/] [gnu-dev/] [or1k-gcc/] [libffi/] [testsuite/] [libffi.call/] [struct2_win32.c] - Rev 773
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/* Area: ffi_call Purpose: Check structures in fastcall/stdcall function Limitations: none. PR: none. Originator: From the original ffitest.c */ /* { dg-do run { target i?86-*-cygwin* i?86-*-mingw* } } */ #include "ffitest.h" typedef struct { double d1; double d2; } test_structure_2; static test_structure_2 __attribute__ ((fastcall)) struct2(test_structure_2 ts) { ts.d1--; ts.d2--; return ts; } int main (void) { ffi_cif cif; ffi_type *args[MAX_ARGS]; void *values[MAX_ARGS]; test_structure_2 ts2_arg; ffi_type ts2_type; ffi_type *ts2_type_elements[3]; ts2_type.size = 0; ts2_type.alignment = 0; ts2_type.type = FFI_TYPE_STRUCT; ts2_type.elements = ts2_type_elements; ts2_type_elements[0] = &ffi_type_double; ts2_type_elements[1] = &ffi_type_double; ts2_type_elements[2] = NULL; /* This is a hack to get a properly aligned result buffer */ test_structure_2 *ts2_result = (test_structure_2 *) malloc (sizeof(test_structure_2)); args[0] = &ts2_type; values[0] = &ts2_arg; /* Initialize the cif */ CHECK(ffi_prep_cif(&cif, FFI_FASTCALL, 1, &ts2_type, args) == FFI_OK); ts2_arg.d1 = 5.55; ts2_arg.d2 = 6.66; printf ("%g\n", ts2_arg.d1); printf ("%g\n", ts2_arg.d2); ffi_call(&cif, FFI_FN(struct2), ts2_result, values); printf ("%g\n", ts2_result->d1); printf ("%g\n", ts2_result->d2); CHECK(ts2_result->d1 == 5.55 - 1); CHECK(ts2_result->d2 == 6.66 - 1); free (ts2_result); exit(0); }
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