1  /* Area:		ffi_call, closure_call
       2     Purpose:		Check pointer arguments.
       3     Limitations:	none.
       4     PR:			none.
       5     Originator:	Blake Chaffin 6/6/2007	*/
       6  
       7  /* { dg-do run { xfail strongarm*-*-* xscale*-*-* } } */
       8  #include "ffitest.h"
       9  
      10  void* cls_pointer_fn(void* a1, void* a2)
      11  {
      12  	void*	result	= (void*)((intptr_t)a1 + (intptr_t)a2);
      13  
      14  	printf("0x%08x 0x%08x: 0x%08x\n", 
      15  	       (unsigned int)(uintptr_t) a1,
      16                 (unsigned int)(uintptr_t) a2,
      17                 (unsigned int)(uintptr_t) result);
      18  
      19  	return result;
      20  }
      21  
      22  static void
      23  cls_pointer_gn(ffi_cif* cif __UNUSED__, void* resp, 
      24  	       void** args, void* userdata __UNUSED__)
      25  {
      26  	void*	a1	= *(void**)(args[0]);
      27  	void*	a2	= *(void**)(args[1]);
      28  
      29  	*(void**)resp = cls_pointer_fn(a1, a2);
      30  }
      31  
      32  int main (void)
      33  {
      34  	ffi_cif	cif;
      35          void *code;
      36  	ffi_closure*	pcl = ffi_closure_alloc(sizeof(ffi_closure), &code);
      37  	void*			args[3];
      38  	/*	ffi_type		cls_pointer_type; */
      39  	ffi_type*		arg_types[3];
      40  
      41  /*	cls_pointer_type.size = sizeof(void*);
      42  	cls_pointer_type.alignment = 0;
      43  	cls_pointer_type.type = FFI_TYPE_POINTER;
      44  	cls_pointer_type.elements = NULL;*/
      45  
      46  	void*	arg1	= (void*)0x12345678;
      47  	void*	arg2	= (void*)0x89abcdef;
      48  	ffi_arg	res		= 0;
      49  
      50  	arg_types[0] = &ffi_type_pointer;
      51  	arg_types[1] = &ffi_type_pointer;
      52  	arg_types[2] = NULL;
      53  
      54  	CHECK(ffi_prep_cif(&cif, FFI_DEFAULT_ABI, 2, &ffi_type_pointer,
      55  		arg_types) == FFI_OK);
      56  
      57  	args[0] = &arg1;
      58  	args[1] = &arg2;
      59  	args[2] = NULL;
      60  
      61  	ffi_call(&cif, FFI_FN(cls_pointer_fn), &res, args);
      62  	/* { dg-output "0x12345678 0x89abcdef: 0x9be02467" } */
      63  	printf("res: 0x%08x\n", (unsigned int) res);
      64  	/* { dg-output "\nres: 0x9be02467" } */
      65  
      66  	CHECK(ffi_prep_closure_loc(pcl, &cif, cls_pointer_gn, NULL, code) == FFI_OK);
      67  
      68  	res = (ffi_arg)(uintptr_t)((void*(*)(void*, void*))(code))(arg1, arg2);
      69  	/* { dg-output "\n0x12345678 0x89abcdef: 0x9be02467" } */
      70  	printf("res: 0x%08x\n", (unsigned int) res);
      71  	/* { dg-output "\nres: 0x9be02467" } */
      72  
      73  	exit(0);
      74  }