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/js/src/ctypes/libffi/testsuite/libffi.call/cls_7_1_byte.c

http://github.com/zpao/v8monkey
C | 117 lines | 84 code | 22 blank | 11 comment | 2 complexity | a13f7ec8c771245007b14658f061fb02 MD5 | raw file
  1/* Area:	ffi_call, closure_call
  2   Purpose:	Check structure passing with different structure size.
  3		Depending on the ABI. Check overlapping.
  4   Limitations:	none.
  5   PR:		none.
  6   Originator:	<andreast@gcc.gnu.org> 20050708	 */
  7
  8/* { dg-do run } */
  9#include "ffitest.h"
 10
 11typedef struct cls_struct_7byte {
 12  unsigned char a;
 13  unsigned char b;
 14  unsigned char c;
 15  unsigned char d;
 16  unsigned char e;
 17  unsigned char f;
 18  unsigned char g;
 19} cls_struct_7byte;
 20
 21cls_struct_7byte cls_struct_7byte_fn(struct cls_struct_7byte a1,
 22			    struct cls_struct_7byte a2)
 23{
 24  struct cls_struct_7byte result;
 25
 26  result.a = a1.a + a2.a;
 27  result.b = a1.b + a2.b;
 28  result.c = a1.c + a2.c;
 29  result.d = a1.d + a2.d;
 30  result.e = a1.e + a2.e;
 31  result.f = a1.f + a2.f;
 32  result.g = a1.g + a2.g;
 33
 34  printf("%d %d %d %d %d %d %d %d %d %d %d %d %d %d: %d %d %d %d %d %d %d\n",
 35	 a1.a, a1.b, a1.c, a1.d, a1.e, a1.f, a1.g,
 36	 a2.a, a2.b, a2.c, a2.d, a2.e, a2.f, a2.g,
 37	 result.a, result.b, result.c, result.d, result.e, result.f, result.g);
 38
 39  return  result;
 40}
 41
 42static void
 43cls_struct_7byte_gn(ffi_cif* cif __UNUSED__, void* resp, void** args,
 44		    void* userdata __UNUSED__)
 45{
 46
 47  struct cls_struct_7byte a1, a2;
 48
 49  a1 = *(struct cls_struct_7byte*)(args[0]);
 50  a2 = *(struct cls_struct_7byte*)(args[1]);
 51
 52  *(cls_struct_7byte*)resp = cls_struct_7byte_fn(a1, a2);
 53}
 54
 55int main (void)
 56{
 57  ffi_cif cif;
 58  void *code;
 59  ffi_closure *pcl = ffi_closure_alloc(sizeof(ffi_closure), &code);
 60  void* args_dbl[5];
 61  ffi_type* cls_struct_fields[8];
 62  ffi_type cls_struct_type;
 63  ffi_type* dbl_arg_types[5];
 64
 65  cls_struct_type.size = 0;
 66  cls_struct_type.alignment = 0;
 67  cls_struct_type.type = FFI_TYPE_STRUCT;
 68  cls_struct_type.elements = cls_struct_fields;
 69
 70  struct cls_struct_7byte g_dbl = { 127, 120, 1, 3, 4, 5, 6 };
 71  struct cls_struct_7byte f_dbl = { 12, 128, 9, 3, 4, 5, 6 };
 72  struct cls_struct_7byte res_dbl = { 0, 0, 0, 0, 0, 0, 0 };
 73
 74  cls_struct_fields[0] = &ffi_type_uchar;
 75  cls_struct_fields[1] = &ffi_type_uchar;
 76  cls_struct_fields[2] = &ffi_type_uchar;
 77  cls_struct_fields[3] = &ffi_type_uchar;
 78  cls_struct_fields[4] = &ffi_type_uchar;
 79  cls_struct_fields[5] = &ffi_type_uchar;
 80  cls_struct_fields[6] = &ffi_type_uchar;
 81  cls_struct_fields[7] = NULL;
 82
 83  dbl_arg_types[0] = &cls_struct_type;
 84  dbl_arg_types[1] = &cls_struct_type;
 85  dbl_arg_types[2] = NULL;
 86
 87  CHECK(ffi_prep_cif(&cif, FFI_DEFAULT_ABI, 2, &cls_struct_type,
 88		     dbl_arg_types) == FFI_OK);
 89
 90  args_dbl[0] = &g_dbl;
 91  args_dbl[1] = &f_dbl;
 92  args_dbl[2] = NULL;
 93
 94  ffi_call(&cif, FFI_FN(cls_struct_7byte_fn), &res_dbl, args_dbl);
 95  /* { dg-output "127 120 1 3 4 5 6 12 128 9 3 4 5 6: 139 248 10 6 8 10 12" } */
 96  printf("res: %d %d %d %d %d %d %d\n", res_dbl.a, res_dbl.b, res_dbl.c,
 97	 res_dbl.d, res_dbl.e, res_dbl.f, res_dbl.g);
 98  /* { dg-output "\nres: 139 248 10 6 8 10 12" } */
 99
100  res_dbl.a = 0;
101  res_dbl.b = 0;
102  res_dbl.c = 0;
103  res_dbl.d = 0;
104  res_dbl.e = 0;
105  res_dbl.f = 0;
106  res_dbl.g = 0;
107
108  CHECK(ffi_prep_closure_loc(pcl, &cif, cls_struct_7byte_gn, NULL, code) == FFI_OK);
109
110  res_dbl = ((cls_struct_7byte(*)(cls_struct_7byte, cls_struct_7byte))(code))(g_dbl, f_dbl);
111  /* { dg-output "\n127 120 1 3 4 5 6 12 128 9 3 4 5 6: 139 248 10 6 8 10 12" } */
112  printf("res: %d %d %d %d %d %d %d\n", res_dbl.a, res_dbl.b, res_dbl.c,
113	 res_dbl.d, res_dbl.e, res_dbl.f, res_dbl.g);
114  /* { dg-output "\nres: 139 248 10 6 8 10 12" } */
115
116  exit(0);
117}