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[/] [openrisc/] [trunk/] [gnu-dev/] [or1k-gcc/] [libffi/] [testsuite/] [libffi.call/] [struct1_win32.c] - Rev 750
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/* Area: ffi_call Purpose: Check structures with fastcall/thiscall convention. 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 { unsigned char uc; double d; unsigned int ui; } test_structure_1; static __attribute__ ((fastcall)) test_structure_1 struct1(test_structure_1 ts) { ts.uc++; ts.d--; ts.ui++; return ts; } int main (void) { ffi_cif cif; ffi_type *args[MAX_ARGS]; void *values[MAX_ARGS]; ffi_type ts1_type; ffi_type *ts1_type_elements[4]; ts1_type.size = 0; ts1_type.alignment = 0; ts1_type.type = FFI_TYPE_STRUCT; ts1_type.elements = ts1_type_elements; ts1_type_elements[0] = &ffi_type_uchar; ts1_type_elements[1] = &ffi_type_double; ts1_type_elements[2] = &ffi_type_uint; ts1_type_elements[3] = NULL; test_structure_1 ts1_arg; /* This is a hack to get a properly aligned result buffer */ test_structure_1 *ts1_result = (test_structure_1 *) malloc (sizeof(test_structure_1)); args[0] = &ts1_type; values[0] = &ts1_arg; /* Initialize the cif */ CHECK(ffi_prep_cif(&cif, FFI_FASTCALL, 1, &ts1_type, args) == FFI_OK); ts1_arg.uc = '\x01'; ts1_arg.d = 3.14159; ts1_arg.ui = 555; ffi_call(&cif, FFI_FN(struct1), ts1_result, values); CHECK(ts1_result->ui == 556); CHECK(ts1_result->d == 3.14159 - 1); free (ts1_result); exit(0); }
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