kc3-lang/libffi/testsuite/libffi.closures/cls_pointer.c

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• Hash : eb244724
  Author :
  Date : 2021-07-16T14:33:04
  

  Use CHECK to assert more things in test suite (#654) * Use CHECK to assert more things in test suite * Use snprintf instead of sprintf * Fix va_struct1 and va_struct3

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• testsuite/libffi.closures/cls_pointer.c

• /* 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);
  
  	CHECK((unsigned int)(uintptr_t) a1 == 0x12345678);
  	CHECK((unsigned int)(uintptr_t) a2 == 0x89abcdef);
  	CHECK((unsigned int)(uintptr_t) result == 0x9be02467);
  
  	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" } */
  	CHECK(res == 0x9be02467);
  
  	exit(0);
  }
  

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