Refresh config.guess and config.sub
[libffi.git] / .pc / msvc-changes / testsuite / libffi.call / closure_thiscall.c
1 /* Area: closure_call (thiscall convention)
2 Purpose: Check handling when caller expects thiscall callee
3 Limitations: none.
4 PR: none.
5 Originator: <ktietz@redhat.com> */
6
7 /* { dg-do run { target i?86-*-cygwin* i?86-*-mingw* } } */
8 #include "ffitest.h"
9
10 static void
11 closure_test_thiscall(ffi_cif* cif __UNUSED__, void* resp, void** args,
12 void* userdata)
13 {
14 *(ffi_arg*)resp =
15 (int)*(int *)args[0] + (int)(*(int *)args[1])
16 + (int)(*(int *)args[2]) + (int)(*(int *)args[3])
17 + (int)(intptr_t)userdata;
18
19 printf("%d %d %d %d: %d\n",
20 (int)*(int *)args[0], (int)(*(int *)args[1]),
21 (int)(*(int *)args[2]), (int)(*(int *)args[3]),
22 (int)*(ffi_arg *)resp);
23
24 }
25
26 typedef int (__thiscall *closure_test_type0)(int, int, int, int);
27
28 int main (void)
29 {
30 ffi_cif cif;
31 void *code;
32 ffi_closure *pcl = ffi_closure_alloc(sizeof(ffi_closure), &code);
33 ffi_type * cl_arg_types[17];
34 int res;
35 void* sp_pre;
36 void* sp_post;
37 char buf[1024];
38
39 cl_arg_types[0] = &ffi_type_uint;
40 cl_arg_types[1] = &ffi_type_uint;
41 cl_arg_types[2] = &ffi_type_uint;
42 cl_arg_types[3] = &ffi_type_uint;
43 cl_arg_types[4] = NULL;
44
45 /* Initialize the cif */
46 CHECK(ffi_prep_cif(&cif, FFI_THISCALL, 4,
47 &ffi_type_sint, cl_arg_types) == FFI_OK);
48
49 CHECK(ffi_prep_closure_loc(pcl, &cif, closure_test_thiscall,
50 (void *) 3 /* userdata */, code) == FFI_OK);
51
52 asm volatile (" movl %%esp,%0" : "=g" (sp_pre));
53 res = (*(closure_test_type0)code)(0, 1, 2, 3);
54 asm volatile (" movl %%esp,%0" : "=g" (sp_post));
55 /* { dg-output "0 1 2 3: 9" } */
56
57 printf("res: %d\n",res);
58 /* { dg-output "\nres: 9" } */
59
60 sprintf(buf, "mismatch: pre=%p vs post=%p", sp_pre, sp_post);
61 printf("stack pointer %s\n", (sp_pre == sp_post ? "match" : buf));
62 /* { dg-output "\nstack pointer match" } */
63 exit(0);
64 }