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/js/src/ctypes/libffi/testsuite/libffi.call/cls_align_sint16.c

http://github.com/zpao/v8monkey
C | 91 lines | 60 code | 21 blank | 10 comment | 2 complexity | 5a795d6260706dd654ddd8eb3d1a0b4f MD5 | raw file
 1/* Area:	ffi_call, closure_call
 2   Purpose:	Check structure alignment of sint16.
 3   Limitations:	none.
 4   PR:		none.
 5   Originator:	<hos@tamanegi.org> 20031203	 */
 6
 7/* { dg-do run } */
 8#include "ffitest.h"
 9
10typedef struct cls_struct_align {
11  unsigned char a;
12  signed short b;
13  unsigned char c;
14} cls_struct_align;
15
16cls_struct_align cls_struct_align_fn(struct cls_struct_align a1,
17			    struct cls_struct_align a2)
18{
19  struct cls_struct_align result;
20
21  result.a = a1.a + a2.a;
22  result.b = a1.b + a2.b;
23  result.c = a1.c + a2.c;
24
25  printf("%d %d %d %d %d %d: %d %d %d\n", a1.a, a1.b, a1.c, a2.a, a2.b, a2.c, result.a, result.b, result.c);
26
27  return  result;
28}
29
30static void
31cls_struct_align_gn(ffi_cif* cif __UNUSED__, void* resp, void** args,
32		    void* userdata __UNUSED__)
33{
34
35  struct cls_struct_align a1, a2;
36
37  a1 = *(struct cls_struct_align*)(args[0]);
38  a2 = *(struct cls_struct_align*)(args[1]);
39
40  *(cls_struct_align*)resp = cls_struct_align_fn(a1, a2);
41}
42
43int main (void)
44{
45  ffi_cif cif;
46  void *code;
47  ffi_closure *pcl = ffi_closure_alloc(sizeof(ffi_closure), &code);
48  void* args_dbl[5];
49  ffi_type* cls_struct_fields[4];
50  ffi_type cls_struct_type;
51  ffi_type* dbl_arg_types[5];
52
53  cls_struct_type.size = 0;
54  cls_struct_type.alignment = 0;
55  cls_struct_type.type = FFI_TYPE_STRUCT;
56  cls_struct_type.elements = cls_struct_fields;
57
58  struct cls_struct_align g_dbl = { 12, 4951, 127 };
59  struct cls_struct_align f_dbl = { 1, 9320, 13 };
60  struct cls_struct_align res_dbl;
61
62  cls_struct_fields[0] = &ffi_type_uchar;
63  cls_struct_fields[1] = &ffi_type_sshort;
64  cls_struct_fields[2] = &ffi_type_uchar;
65  cls_struct_fields[3] = NULL;
66
67  dbl_arg_types[0] = &cls_struct_type;
68  dbl_arg_types[1] = &cls_struct_type;
69  dbl_arg_types[2] = NULL;
70
71  CHECK(ffi_prep_cif(&cif, FFI_DEFAULT_ABI, 2, &cls_struct_type,
72		     dbl_arg_types) == FFI_OK);
73
74  args_dbl[0] = &g_dbl;
75  args_dbl[1] = &f_dbl;
76  args_dbl[2] = NULL;
77
78  ffi_call(&cif, FFI_FN(cls_struct_align_fn), &res_dbl, args_dbl);
79  /* { dg-output "12 4951 127 1 9320 13: 13 14271 140" } */
80  printf("res: %d %d %d\n", res_dbl.a, res_dbl.b, res_dbl.c);
81  /* { dg-output "\nres: 13 14271 140" } */
82
83  CHECK(ffi_prep_closure_loc(pcl, &cif, cls_struct_align_gn, NULL, code) == FFI_OK);
84
85  res_dbl = ((cls_struct_align(*)(cls_struct_align, cls_struct_align))(code))(g_dbl, f_dbl);
86  /* { dg-output "\n12 4951 127 1 9320 13: 13 14271 140" } */
87  printf("res: %d %d %d\n", res_dbl.a, res_dbl.b, res_dbl.c);
88  /* { dg-output "\nres: 13 14271 140" } */
89
90  exit(0);
91}