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call.exp: Adjust FSF address.
[thirdparty/gcc.git] / libffi / testsuite / libffi.call / cls_3byte1.c
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1/* Area: ffi_call, closure_call
2 Purpose: Check structure passing with different structure size.
3 Especially with small structures which may fit in one
4 register. Depending on the ABI. Check overlapping.
5 Limitations: none.
6 PR: none.
7 Originator: <andreast@gcc.gnu.org> 20030828 */
8
4c5f37d5 9/* { dg-do run { xfail mips64*-*-* arm*-*-* strongarm*-*-* xscale*-*-* } } */
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10#include "ffitest.h"
11
12typedef struct cls_struct_3byte {
13 unsigned short a;
14 unsigned char b;
15} cls_struct_3byte;
16
17cls_struct_3byte cls_struct_3byte_fn(struct cls_struct_3byte a1,
18 struct cls_struct_3byte a2)
19{
20 struct cls_struct_3byte result;
21
22 result.a = a1.a + a2.a;
23 result.b = a1.b + a2.b;
24
25 printf("%d %d %d %d: %d %d\n", a1.a, a1.b, a2.a, a2.b, result.a, result.b);
26
27 return result;
28}
29
9e3bfa9b 30static void
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31cls_struct_3byte_gn(ffi_cif* cif __UNUSED__, void* resp, void** args,
32 void* userdata __UNUSED__)
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33{
34
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35 struct cls_struct_3byte a1, a2;
36
37 a1 = *(struct cls_struct_3byte*)(args[0]);
38 a2 = *(struct cls_struct_3byte*)(args[1]);
39
40 *(cls_struct_3byte*)resp = cls_struct_3byte_fn(a1, a2);
41}
42
43int main (void)
44{
45 ffi_cif cif;
5196736e 46#ifndef USING_MMAP
8a6b509e 47 static ffi_closure cl;
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48#endif
49 ffi_closure *pcl;
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50 void* args_dbl[5];
51 ffi_type* cls_struct_fields[4];
52 ffi_type cls_struct_type;
53 ffi_type* dbl_arg_types[5];
54
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55#ifdef USING_MMAP
56 pcl = allocate_mmap (sizeof(ffi_closure));
57#else
58 pcl = &cl;
59#endif
60
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61 cls_struct_type.size = 0;
62 cls_struct_type.alignment = 0;
63 cls_struct_type.type = FFI_TYPE_STRUCT;
64 cls_struct_type.elements = cls_struct_fields;
65
66 struct cls_struct_3byte g_dbl = { 12, 119 };
67 struct cls_struct_3byte f_dbl = { 1, 15 };
68 struct cls_struct_3byte res_dbl;
9e3bfa9b 69
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70 cls_struct_fields[0] = &ffi_type_ushort;
71 cls_struct_fields[1] = &ffi_type_uchar;
72 cls_struct_fields[2] = NULL;
9e3bfa9b 73
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74 dbl_arg_types[0] = &cls_struct_type;
75 dbl_arg_types[1] = &cls_struct_type;
76 dbl_arg_types[2] = NULL;
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77
78 CHECK(ffi_prep_cif(&cif, FFI_DEFAULT_ABI, 2, &cls_struct_type,
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79 dbl_arg_types) == FFI_OK);
80
81 args_dbl[0] = &g_dbl;
82 args_dbl[1] = &f_dbl;
83 args_dbl[2] = NULL;
84
85 ffi_call(&cif, FFI_FN(cls_struct_3byte_fn), &res_dbl, args_dbl);
86 /* { dg-output "12 119 1 15: 13 134" } */
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87 printf("res: %d %d\n", res_dbl.a, res_dbl.b);
88 /* { dg-output "\nres: 13 134" } */
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89
90 CHECK(ffi_prep_closure(pcl, &cif, cls_struct_3byte_gn, NULL) == FFI_OK);
9e3bfa9b 91
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92 res_dbl = ((cls_struct_3byte(*)(cls_struct_3byte, cls_struct_3byte))(pcl))(g_dbl, f_dbl);
93 /* { dg-output "\n12 119 1 15: 13 134" } */
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94 printf("res: %d %d\n", res_dbl.a, res_dbl.b);
95 /* { dg-output "\nres: 13 134" } */
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96
97 exit(0);
98}