kc3-lang/libffi/testsuite/libffi.closures/nested_struct1.c

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• Hash : 8d83c7c1
  Author :
  Date : 2021-06-25T19:50:33
  

  Make test methods static (#644)

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• testsuite/libffi.closures/nested_struct1.c

• /* Area:	ffi_call, closure_call
     Purpose:	Check structure passing with different structure size.
  		Contains structs as parameter of the struct itself.
     Limitations:	none.
     PR:		none.
     Originator:	<andreast@gcc.gnu.org> 20030828	 */
  
  /* { dg-do run } */
  #include "ffitest.h"
  
  typedef struct cls_struct_16byte1 {
    double a;
    float b;
    int c;
  } cls_struct_16byte1;
  
  typedef struct cls_struct_16byte2 {
    int ii;
    double dd;
    float ff;
  } cls_struct_16byte2;
  
  typedef struct cls_struct_combined {
    cls_struct_16byte1 d;
    cls_struct_16byte2 e;
  } cls_struct_combined;
  
  static cls_struct_combined cls_struct_combined_fn(struct cls_struct_16byte1 b0,
  					   struct cls_struct_16byte2 b1,
  					   struct cls_struct_combined b2,
  					   struct cls_struct_16byte1 b3)
  {
    struct cls_struct_combined result;
  
    result.d.a = b0.a + b1.dd + b2.d.a;
    result.d.b = b0.b + b1.ff + b2.d.b;
    result.d.c = b0.c + b1.ii + b2.d.c;
    result.e.ii = b0.c + b1.ii + b2.e.ii;
    result.e.dd = b0.a + b1.dd + b2.e.dd;
    result.e.ff = b0.b + b1.ff + b2.e.ff;
  
    printf("%g %g %d %d %g %g %g %g %d %d %g %g %g %g %d: %g %g %d %d %g %g\n",
  	 b0.a, b0.b, b0.c,
  	 b1.ii, b1.dd, b1.ff,
  	 b2.d.a, b2.d.b, b2.d.c,
  	 b2.e.ii, b2.e.dd, b2.e.ff,
  	 b3.a, b3.b, b3.c,
  	 result.d.a, result.d.b, result.d.c,
  	 result.e.ii, result.e.dd, result.e.ff);
  
    return result;
  }
  
  static void
  cls_struct_combined_gn(ffi_cif* cif __UNUSED__, void* resp, void** args,
  		       void* userdata __UNUSED__)
  {
    struct cls_struct_16byte1 b0;
    struct cls_struct_16byte2 b1;
    struct cls_struct_combined b2;
    struct cls_struct_16byte1 b3;
  
    b0 = *(struct cls_struct_16byte1*)(args[0]);
    b1 = *(struct cls_struct_16byte2*)(args[1]);
    b2 = *(struct cls_struct_combined*)(args[2]);
    b3 = *(struct cls_struct_16byte1*)(args[3]);
  
  
    *(cls_struct_combined*)resp = cls_struct_combined_fn(b0, b1, b2, b3);
  }
  
  int main (void)
  {
    ffi_cif cif;
    void *code;
    ffi_closure *pcl = ffi_closure_alloc(sizeof(ffi_closure), &code);
    void* args_dbl[5];
    ffi_type* cls_struct_fields[5];
    ffi_type* cls_struct_fields1[5];
    ffi_type* cls_struct_fields2[5];
    ffi_type cls_struct_type, cls_struct_type1, cls_struct_type2;
    ffi_type* dbl_arg_types[5];
  
    struct cls_struct_16byte1 e_dbl = { 9.0, 2.0, 6};
    struct cls_struct_16byte2 f_dbl = { 1, 2.0, 3.0};
    struct cls_struct_combined g_dbl = {{4.0, 5.0, 6},
  				      {3, 1.0, 8.0}};
    struct cls_struct_16byte1 h_dbl = { 3.0, 2.0, 4};
    struct cls_struct_combined 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_type1.size = 0;
    cls_struct_type1.alignment = 0;
    cls_struct_type1.type = FFI_TYPE_STRUCT;
    cls_struct_type1.elements = cls_struct_fields1;
  
    cls_struct_type2.size = 0;
    cls_struct_type2.alignment = 0;
    cls_struct_type2.type = FFI_TYPE_STRUCT;
    cls_struct_type2.elements = cls_struct_fields2;
  
    cls_struct_fields[0] = &ffi_type_double;
    cls_struct_fields[1] = &ffi_type_float;
    cls_struct_fields[2] = &ffi_type_sint;
    cls_struct_fields[3] = NULL;
  
    cls_struct_fields1[0] = &ffi_type_sint;
    cls_struct_fields1[1] = &ffi_type_double;
    cls_struct_fields1[2] = &ffi_type_float;
    cls_struct_fields1[3] = NULL;
  
    cls_struct_fields2[0] = &cls_struct_type;
    cls_struct_fields2[1] = &cls_struct_type1;
    cls_struct_fields2[2] = NULL;
  
  
    dbl_arg_types[0] = &cls_struct_type;
    dbl_arg_types[1] = &cls_struct_type1;
    dbl_arg_types[2] = &cls_struct_type2;
    dbl_arg_types[3] = &cls_struct_type;
    dbl_arg_types[4] = NULL;
  
    CHECK(ffi_prep_cif(&cif, FFI_DEFAULT_ABI, 4, &cls_struct_type2,
  		     dbl_arg_types) == FFI_OK);
  
    args_dbl[0] = &e_dbl;
    args_dbl[1] = &f_dbl;
    args_dbl[2] = &g_dbl;
    args_dbl[3] = &h_dbl;
    args_dbl[4] = NULL;
  
    ffi_call(&cif, FFI_FN(cls_struct_combined_fn), &res_dbl, args_dbl);
    /* { dg-output "9 2 6 1 2 3 4 5 6 3 1 8 3 2 4: 15 10 13 10 12 13" } */
    CHECK( res_dbl.d.a == (e_dbl.a + f_dbl.dd + g_dbl.d.a));
    CHECK( res_dbl.d.b == (e_dbl.b + f_dbl.ff + g_dbl.d.b));
    CHECK( res_dbl.d.c == (e_dbl.c + f_dbl.ii + g_dbl.d.c));
    CHECK( res_dbl.e.ii == (e_dbl.c + f_dbl.ii + g_dbl.e.ii));
    CHECK( res_dbl.e.dd == (e_dbl.a + f_dbl.dd + g_dbl.e.dd));
    CHECK( res_dbl.e.ff == (e_dbl.b + f_dbl.ff + g_dbl.e.ff));
  
    CHECK(ffi_prep_closure_loc(pcl, &cif, cls_struct_combined_gn, NULL, code) == FFI_OK);
  
    res_dbl = ((cls_struct_combined(*)(cls_struct_16byte1,
  				     cls_struct_16byte2,
  				     cls_struct_combined,
  				     cls_struct_16byte1))
  	     (code))(e_dbl, f_dbl, g_dbl, h_dbl);
    /* { dg-output "\n9 2 6 1 2 3 4 5 6 3 1 8 3 2 4: 15 10 13 10 12 13" } */
    CHECK( res_dbl.d.a == (e_dbl.a + f_dbl.dd + g_dbl.d.a));
    CHECK( res_dbl.d.b == (e_dbl.b + f_dbl.ff + g_dbl.d.b));
    CHECK( res_dbl.d.c == (e_dbl.c + f_dbl.ii + g_dbl.d.c));
    CHECK( res_dbl.e.ii == (e_dbl.c + f_dbl.ii + g_dbl.e.ii));
    CHECK( res_dbl.e.dd == (e_dbl.a + f_dbl.dd + g_dbl.e.dd));
    CHECK( res_dbl.e.ff == (e_dbl.b + f_dbl.ff + g_dbl.e.ff));
    /*  CHECK( 1 == 0); */
    exit(0);
  }
  

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