Viewing file:  cls_pointer.c (1.88 KB) -rw-r--r--
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/* Area: ffi_call, closure_call
Purpose: Check pointer arguments.
Limitations: none.
PR: none.
Originator: Blake Chaffin 6/6/2007 */
/* { dg-do run { xfail strongarm*-*-* xscale*-*-* } } */
#include "ffitest.h"
void* cls_pointer_fn(void* a1, void* a2)
{
void* 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;
}
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]);
*(void**)resp = cls_pointer_fn(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*)0x12345678;
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;
ffi_call(&cif, FFI_FN(cls_pointer_fn), &res, args);
/* { dg-output "0x12345678 0x89abcdef: 0x9be02467" } */
printf("res: 0x%08x\n", (unsigned int) res);
/* { dg-output "\nres: 0x9be02467" } */
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);
/* { dg-output "\n0x12345678 0x89abcdef: 0x9be02467" } */
printf("res: 0x%08x\n", (unsigned int) res);
/* { dg-output "\nres: 0x9be02467" } */
exit(0);
}
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