kc3-lang/libffi/testsuite/libffi.closures/cls_dbls_struct.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_dbls_struct.c

• /* Area:		ffi_call, closure_call
     Purpose:		Check double arguments in structs.
     Limitations:	none.
     PR:			none.
     Originator:	Blake Chaffin 6/23/2007	*/
  
  /* { dg-do run } */
  
  #include "ffitest.h"
  
  typedef struct Dbls {
  	double x;
  	double y;
  } Dbls;
  
  void
  closure_test_fn(Dbls p)
  {
  	printf("%.1f %.1f\n", p.x, p.y);
  	CHECK(p.x == 1);
  	CHECK(p.y == 2);
  }
  
  void
  closure_test_gn(ffi_cif* cif __UNUSED__, void* resp __UNUSED__,
  		void** args, void* userdata __UNUSED__)
  {
  	closure_test_fn(*(Dbls*)args[0]);
  }
  
  int main(int argc __UNUSED__, char** argv __UNUSED__)
  {
  	ffi_cif cif;
  
          void *code;
  	ffi_closure*	pcl = ffi_closure_alloc(sizeof(ffi_closure), &code);
  	ffi_type*		cl_arg_types[1];
  
  	ffi_type	ts1_type;
  	ffi_type*	ts1_type_elements[4];
  
  	Dbls arg = { 1.0, 2.0 };
  
  	ts1_type.size = 0;
  	ts1_type.alignment = 0;
  	ts1_type.type = FFI_TYPE_STRUCT;
  	ts1_type.elements = ts1_type_elements;
  
  	ts1_type_elements[0] = &ffi_type_double;
  	ts1_type_elements[1] = &ffi_type_double;
  	ts1_type_elements[2] = NULL;
  
  	cl_arg_types[0] = &ts1_type;
  
  	/* Initialize the cif */
  	CHECK(ffi_prep_cif(&cif, FFI_DEFAULT_ABI, 1,
  				 &ffi_type_void, cl_arg_types) == FFI_OK);
  
  	CHECK(ffi_prep_closure_loc(pcl, &cif, closure_test_gn, NULL, code) == FFI_OK);
  
  	((void (*)(Dbls))(code))(arg);
  	/* { dg-output "1.0 2.0" } */
  
  	closure_test_fn(arg);
  	/* { dg-output "\n1.0 2.0" } */
  
  	return 0;
  }
  

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