mirror of
https://github.com/autc04/Retro68.git
synced 2024-11-19 18:46:30 +00:00
65 lines
1.8 KiB
C
65 lines
1.8 KiB
C
/* Area: closure_call (thiscall convention)
|
|
Purpose: Check handling when caller expects thiscall callee
|
|
Limitations: none.
|
|
PR: none.
|
|
Originator: <ktietz@redhat.com> */
|
|
|
|
/* { dg-do run { target i?86-*-cygwin* i?86-*-mingw* } } */
|
|
#include "ffitest.h"
|
|
|
|
static void
|
|
closure_test_thiscall(ffi_cif* cif __UNUSED__, void* resp, void** args,
|
|
void* userdata)
|
|
{
|
|
*(ffi_arg*)resp =
|
|
(int)*(int *)args[0] + (int)(*(int *)args[1])
|
|
+ (int)(*(int *)args[2]) + (int)(*(int *)args[3])
|
|
+ (int)(intptr_t)userdata;
|
|
|
|
printf("%d %d %d %d: %d\n",
|
|
(int)*(int *)args[0], (int)(*(int *)args[1]),
|
|
(int)(*(int *)args[2]), (int)(*(int *)args[3]),
|
|
(int)*(ffi_arg *)resp);
|
|
|
|
}
|
|
|
|
typedef int (__thiscall *closure_test_type0)(int, int, int, int);
|
|
|
|
int main (void)
|
|
{
|
|
ffi_cif cif;
|
|
void *code;
|
|
ffi_closure *pcl = ffi_closure_alloc(sizeof(ffi_closure), &code);
|
|
ffi_type * cl_arg_types[17];
|
|
int res;
|
|
void* sp_pre;
|
|
void* sp_post;
|
|
char buf[1024];
|
|
|
|
cl_arg_types[0] = &ffi_type_uint;
|
|
cl_arg_types[1] = &ffi_type_uint;
|
|
cl_arg_types[2] = &ffi_type_uint;
|
|
cl_arg_types[3] = &ffi_type_uint;
|
|
cl_arg_types[4] = NULL;
|
|
|
|
/* Initialize the cif */
|
|
CHECK(ffi_prep_cif(&cif, FFI_THISCALL, 4,
|
|
&ffi_type_sint, cl_arg_types) == FFI_OK);
|
|
|
|
CHECK(ffi_prep_closure_loc(pcl, &cif, closure_test_thiscall,
|
|
(void *) 3 /* userdata */, code) == FFI_OK);
|
|
|
|
asm volatile (" movl %%esp,%0" : "=g" (sp_pre));
|
|
res = (*(closure_test_type0)code)(0, 1, 2, 3);
|
|
asm volatile (" movl %%esp,%0" : "=g" (sp_post));
|
|
/* { dg-output "0 1 2 3: 9" } */
|
|
|
|
printf("res: %d\n",res);
|
|
/* { dg-output "\nres: 9" } */
|
|
|
|
sprintf(buf, "mismatch: pre=%p vs post=%p", sp_pre, sp_post);
|
|
printf("stack pointer %s\n", (sp_pre == sp_post ? "match" : buf));
|
|
/* { dg-output "\nstack pointer match" } */
|
|
exit(0);
|
|
}
|