92 lines
2.4 KiB
C
92 lines
2.4 KiB
C
/* Area: ffi_call, closure_call
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Purpose: Check structure passing with different structure size.
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Depending on the ABI. Darwin/AIX do double-word
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alignment of the struct if the first element is a double.
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Check that it does here.
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Limitations: none.
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PR: none.
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Originator: <andreast@gcc.gnu.org> 20030914 */
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/* { dg-do run } */
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#include "ffitest.h"
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typedef struct cls_struct_9byte {
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double a;
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int b;
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} cls_struct_9byte;
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cls_struct_9byte cls_struct_9byte_fn(struct cls_struct_9byte b1,
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struct cls_struct_9byte b2)
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{
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struct cls_struct_9byte result;
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result.a = b1.a + b2.a;
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result.b = b1.b + b2.b;
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printf("%g %d %g %d: %g %d\n", b1.a, b1.b, b2.a, b2.b,
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result.a, result.b);
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return result;
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}
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static void cls_struct_9byte_gn(ffi_cif* cif __UNUSED__, void* resp,
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void** args, void* userdata __UNUSED__)
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{
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struct cls_struct_9byte b1, b2;
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b1 = *(struct cls_struct_9byte*)(args[0]);
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b2 = *(struct cls_struct_9byte*)(args[1]);
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*(cls_struct_9byte*)resp = cls_struct_9byte_fn(b1, b2);
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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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void *code;
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ffi_closure *pcl = ffi_closure_alloc(sizeof(ffi_closure), &code);
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void* args_dbl[3];
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ffi_type* cls_struct_fields[3];
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ffi_type cls_struct_type;
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ffi_type* dbl_arg_types[3];
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struct cls_struct_9byte h_dbl = { 7.0, 8};
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struct cls_struct_9byte j_dbl = { 1.0, 9};
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struct cls_struct_9byte res_dbl;
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cls_struct_type.size = 0;
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cls_struct_type.alignment = 0;
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cls_struct_type.type = FFI_TYPE_STRUCT;
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cls_struct_type.elements = cls_struct_fields;
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cls_struct_fields[0] = &ffi_type_double;
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cls_struct_fields[1] = &ffi_type_sint;
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cls_struct_fields[2] = NULL;
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dbl_arg_types[0] = &cls_struct_type;
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dbl_arg_types[1] = &cls_struct_type;
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dbl_arg_types[2] = NULL;
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CHECK(ffi_prep_cif(&cif, FFI_DEFAULT_ABI, 2, &cls_struct_type,
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dbl_arg_types) == FFI_OK);
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args_dbl[0] = &h_dbl;
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args_dbl[1] = &j_dbl;
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args_dbl[2] = NULL;
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ffi_call(&cif, FFI_FN(cls_struct_9byte_fn), &res_dbl, args_dbl);
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/* { dg-output "7 8 1 9: 8 17" } */
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printf("res: %g %d\n", res_dbl.a, res_dbl.b);
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/* { dg-output "\nres: 8 17" } */
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CHECK(ffi_prep_closure_loc(pcl, &cif, cls_struct_9byte_gn, NULL, code) == FFI_OK);
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res_dbl = ((cls_struct_9byte(*)(cls_struct_9byte, cls_struct_9byte))(code))(h_dbl, j_dbl);
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/* { dg-output "\n7 8 1 9: 8 17" } */
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printf("res: %g %d\n", res_dbl.a, res_dbl.b);
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/* { dg-output "\nres: 8 17" } */
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exit(0);
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}
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