mirror of
https://github.com/autc04/Retro68.git
synced 2024-12-11 03:52:59 +00:00
143 lines
4.1 KiB
C
143 lines
4.1 KiB
C
/* Area: ffi_call, closure_call
|
|
Purpose: Check pointer arguments across multiple hideous stack frames.
|
|
Limitations: none.
|
|
PR: none.
|
|
Originator: Blake Chaffin 6/7/2007 */
|
|
|
|
/* { dg-do run { xfail strongarm*-*-* xscale*-*-* } } */
|
|
#include "ffitest.h"
|
|
|
|
static long dummyVar;
|
|
|
|
long dummy_func(
|
|
long double a1, char b1,
|
|
long double a2, char b2,
|
|
long double a3, char b3,
|
|
long double a4, char b4)
|
|
{
|
|
return a1 + b1 + a2 + b2 + a3 + b3 + a4 + b4;
|
|
}
|
|
|
|
void* cls_pointer_fn2(void* a1, void* a2)
|
|
{
|
|
long double trample1 = (intptr_t)a1 + (intptr_t)a2;
|
|
char trample2 = ((char*)&a1)[0] + ((char*)&a2)[0];
|
|
long double trample3 = (intptr_t)trample1 + (intptr_t)a1;
|
|
char trample4 = trample2 + ((char*)&a1)[1];
|
|
long double trample5 = (intptr_t)trample3 + (intptr_t)a2;
|
|
char trample6 = trample4 + ((char*)&a2)[1];
|
|
long double trample7 = (intptr_t)trample5 + (intptr_t)trample1;
|
|
char trample8 = trample6 + trample2;
|
|
void* result;
|
|
|
|
dummyVar = dummy_func(trample1, trample2, trample3, trample4,
|
|
trample5, trample6, trample7, trample8);
|
|
|
|
result = (void*)((intptr_t)a1 + (intptr_t)a2);
|
|
|
|
printf("0x%08x 0x%08x: 0x%08x\n",
|
|
(unsigned int)(uintptr_t) a1,
|
|
(unsigned int)(uintptr_t) a2,
|
|
(unsigned int)(uintptr_t) result);
|
|
|
|
return result;
|
|
}
|
|
|
|
void* cls_pointer_fn1(void* a1, void* a2)
|
|
{
|
|
long double trample1 = (intptr_t)a1 + (intptr_t)a2;
|
|
char trample2 = ((char*)&a1)[0] + ((char*)&a2)[0];
|
|
long double trample3 = (intptr_t)trample1 + (intptr_t)a1;
|
|
char trample4 = trample2 + ((char*)&a1)[1];
|
|
long double trample5 = (intptr_t)trample3 + (intptr_t)a2;
|
|
char trample6 = trample4 + ((char*)&a2)[1];
|
|
long double trample7 = (intptr_t)trample5 + (intptr_t)trample1;
|
|
char trample8 = trample6 + trample2;
|
|
void* result;
|
|
|
|
dummyVar = dummy_func(trample1, trample2, trample3, trample4,
|
|
trample5, trample6, trample7, trample8);
|
|
|
|
result = (void*)((intptr_t)a1 + (intptr_t)a2);
|
|
|
|
printf("0x%08x 0x%08x: 0x%08x\n",
|
|
(unsigned int)(intptr_t) a1,
|
|
(unsigned int)(intptr_t) a2,
|
|
(unsigned int)(intptr_t) result);
|
|
|
|
result = cls_pointer_fn2(result, a1);
|
|
|
|
return result;
|
|
}
|
|
|
|
static void
|
|
cls_pointer_gn(ffi_cif* cif __UNUSED__, void* resp,
|
|
void** args, void* userdata __UNUSED__)
|
|
{
|
|
void* a1 = *(void**)(args[0]);
|
|
void* a2 = *(void**)(args[1]);
|
|
|
|
long double trample1 = (intptr_t)a1 + (intptr_t)a2;
|
|
char trample2 = ((char*)&a1)[0] + ((char*)&a2)[0];
|
|
long double trample3 = (intptr_t)trample1 + (intptr_t)a1;
|
|
char trample4 = trample2 + ((char*)&a1)[1];
|
|
long double trample5 = (intptr_t)trample3 + (intptr_t)a2;
|
|
char trample6 = trample4 + ((char*)&a2)[1];
|
|
long double trample7 = (intptr_t)trample5 + (intptr_t)trample1;
|
|
char trample8 = trample6 + trample2;
|
|
|
|
dummyVar = dummy_func(trample1, trample2, trample3, trample4,
|
|
trample5, trample6, trample7, trample8);
|
|
|
|
*(void**)resp = cls_pointer_fn1(a1, a2);
|
|
}
|
|
|
|
int main (void)
|
|
{
|
|
ffi_cif cif;
|
|
void *code;
|
|
ffi_closure* pcl = ffi_closure_alloc(sizeof(ffi_closure), &code);
|
|
void* args[3];
|
|
/* ffi_type cls_pointer_type; */
|
|
ffi_type* arg_types[3];
|
|
|
|
/* cls_pointer_type.size = sizeof(void*);
|
|
cls_pointer_type.alignment = 0;
|
|
cls_pointer_type.type = FFI_TYPE_POINTER;
|
|
cls_pointer_type.elements = NULL;*/
|
|
|
|
void* arg1 = (void*)0x01234567;
|
|
void* arg2 = (void*)0x89abcdef;
|
|
ffi_arg res = 0;
|
|
|
|
arg_types[0] = &ffi_type_pointer;
|
|
arg_types[1] = &ffi_type_pointer;
|
|
arg_types[2] = NULL;
|
|
|
|
CHECK(ffi_prep_cif(&cif, FFI_DEFAULT_ABI, 2, &ffi_type_pointer,
|
|
arg_types) == FFI_OK);
|
|
|
|
args[0] = &arg1;
|
|
args[1] = &arg2;
|
|
args[2] = NULL;
|
|
|
|
printf("\n");
|
|
ffi_call(&cif, FFI_FN(cls_pointer_fn1), &res, args);
|
|
|
|
printf("res: 0x%08x\n", (unsigned int) res);
|
|
/* { dg-output "\n0x01234567 0x89abcdef: 0x8acf1356" } */
|
|
/* { dg-output "\n0x8acf1356 0x01234567: 0x8bf258bd" } */
|
|
/* { dg-output "\nres: 0x8bf258bd" } */
|
|
|
|
CHECK(ffi_prep_closure_loc(pcl, &cif, cls_pointer_gn, NULL, code) == FFI_OK);
|
|
|
|
res = (ffi_arg)(uintptr_t)((void*(*)(void*, void*))(code))(arg1, arg2);
|
|
|
|
printf("res: 0x%08x\n", (unsigned int) res);
|
|
/* { dg-output "\n0x01234567 0x89abcdef: 0x8acf1356" } */
|
|
/* { dg-output "\n0x8acf1356 0x01234567: 0x8bf258bd" } */
|
|
/* { dg-output "\nres: 0x8bf258bd" } */
|
|
|
|
exit(0);
|
|
}
|