(root)/
gcc-13.2.0/
libffi/
testsuite/
libffi.closures/
cls_dbls_struct.c
       1  /* Area:		ffi_call, closure_call
       2     Purpose:		Check double arguments in structs.
       3     Limitations:	none.
       4     PR:			none.
       5     Originator:	Blake Chaffin 6/23/2007	*/
       6  
       7  /* { dg-do run } */
       8  
       9  #include "ffitest.h"
      10  
      11  typedef struct Dbls {
      12  	double x;
      13  	double y;
      14  } Dbls;
      15  
      16  void
      17  closure_test_fn(Dbls p)
      18  {
      19  	printf("%.1f %.1f\n", p.x, p.y);
      20  }
      21  
      22  void
      23  closure_test_gn(ffi_cif* cif __UNUSED__, void* resp __UNUSED__,
      24  		void** args, void* userdata __UNUSED__)
      25  {
      26  	closure_test_fn(*(Dbls*)args[0]);
      27  }
      28  
      29  int main(int argc __UNUSED__, char** argv __UNUSED__)
      30  {
      31  	ffi_cif cif;
      32  
      33          void *code;
      34  	ffi_closure*	pcl = ffi_closure_alloc(sizeof(ffi_closure), &code);
      35  	ffi_type*		cl_arg_types[1];
      36  
      37  	ffi_type	ts1_type;
      38  	ffi_type*	ts1_type_elements[4];
      39  
      40  	Dbls arg = { 1.0, 2.0 };
      41  
      42  	ts1_type.size = 0;
      43  	ts1_type.alignment = 0;
      44  	ts1_type.type = FFI_TYPE_STRUCT;
      45  	ts1_type.elements = ts1_type_elements;
      46  
      47  	ts1_type_elements[0] = &ffi_type_double;
      48  	ts1_type_elements[1] = &ffi_type_double;
      49  	ts1_type_elements[2] = NULL;
      50  
      51  	cl_arg_types[0] = &ts1_type;
      52  
      53  	/* Initialize the cif */
      54  	CHECK(ffi_prep_cif(&cif, FFI_DEFAULT_ABI, 1,
      55  				 &ffi_type_void, cl_arg_types) == FFI_OK);
      56  
      57  	CHECK(ffi_prep_closure_loc(pcl, &cif, closure_test_gn, NULL, code) == FFI_OK);
      58  
      59  	((void (*)(Dbls))(code))(arg);
      60  	/* { dg-output "1.0 2.0" } */
      61  
      62  	closure_test_fn(arg);
      63  	/* { dg-output "\n1.0 2.0" } */
      64  
      65  	return 0;
      66  }