kc3-lang/libffi/testsuite/libffi.closures/cls_9byte2.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_9byte2.c

• /* Area:	ffi_call, closure_call
     Purpose:	Check structure passing with different structure size.
  		Depending on the ABI. Darwin/AIX do double-word
  		alignment of the struct if the first element is a double.
  		Check that it does here.
     Limitations:	none.
     PR:		none.
     Originator:	<andreast@gcc.gnu.org> 20030914	 */
  
  /* { dg-do run } */
  #include "ffitest.h"
  
  typedef struct cls_struct_9byte {
    double a;
    int b;
  } cls_struct_9byte;
  
  static cls_struct_9byte cls_struct_9byte_fn(struct cls_struct_9byte b1,
  			    struct cls_struct_9byte b2)
  {
    struct cls_struct_9byte result;
  
    result.a = b1.a + b2.a;
    result.b = b1.b + b2.b;
  
    printf("%g %d %g %d: %g %d\n", b1.a, b1.b,  b2.a, b2.b,
  	 result.a, result.b);
  
    CHECK(b1.a == 7);
    CHECK(b1.b == 8);
  
    CHECK(b2.a == 1);
    CHECK(b2.b == 9);
  
    CHECK(result.a == 8);
    CHECK(result.b == 17);
  
    return result;
  }
  
  static void cls_struct_9byte_gn(ffi_cif* cif __UNUSED__, void* resp,
  				void** args, void* userdata __UNUSED__)
  {
    struct cls_struct_9byte b1, b2;
  
    b1 = *(struct cls_struct_9byte*)(args[0]);
    b2 = *(struct cls_struct_9byte*)(args[1]);
  
    *(cls_struct_9byte*)resp = cls_struct_9byte_fn(b1, b2);
  }
  
  int main (void)
  {
    ffi_cif cif;
    void *code;
    ffi_closure *pcl = ffi_closure_alloc(sizeof(ffi_closure), &code);
    void* args_dbl[3];
    ffi_type* cls_struct_fields[3];
    ffi_type cls_struct_type;
    ffi_type* dbl_arg_types[3];
  
    struct cls_struct_9byte h_dbl = { 7.0, 8};
    struct cls_struct_9byte j_dbl = { 1.0, 9};
    struct cls_struct_9byte res_dbl;
  
    cls_struct_type.size = 0;
    cls_struct_type.alignment = 0;
    cls_struct_type.type = FFI_TYPE_STRUCT;
    cls_struct_type.elements = cls_struct_fields;
  
    cls_struct_fields[0] = &ffi_type_double;
    cls_struct_fields[1] = &ffi_type_sint;
    cls_struct_fields[2] = NULL;
  
    dbl_arg_types[0] = &cls_struct_type;
    dbl_arg_types[1] = &cls_struct_type;
    dbl_arg_types[2] = NULL;
  
    CHECK(ffi_prep_cif(&cif, FFI_DEFAULT_ABI, 2, &cls_struct_type,
  		     dbl_arg_types) == FFI_OK);
  
    args_dbl[0] = &h_dbl;
    args_dbl[1] = &j_dbl;
    args_dbl[2] = NULL;
  
    ffi_call(&cif, FFI_FN(cls_struct_9byte_fn), &res_dbl, args_dbl);
    /* { dg-output "7 8 1 9: 8 17" } */
    printf("res: %g %d\n", res_dbl.a, res_dbl.b);
    /* { dg-output "\nres: 8 17" } */
    CHECK(res_dbl.a == 8);
    CHECK(res_dbl.b == 17);
  
    CHECK(ffi_prep_closure_loc(pcl, &cif, cls_struct_9byte_gn, NULL, code) == FFI_OK);
  
    res_dbl = ((cls_struct_9byte(*)(cls_struct_9byte, cls_struct_9byte))(code))(h_dbl, j_dbl);
    /* { dg-output "\n7 8 1 9: 8 17" } */
    printf("res: %g %d\n", res_dbl.a, res_dbl.b);
    /* { dg-output "\nres: 8 17" } */
    CHECK(res_dbl.a == 8);
    CHECK(res_dbl.b == 17);
  
    exit(0);
  }
  

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