kc3-lang/libffi/testsuite/libffi.closures/cls_3float.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_3float.c

• /* Area:	ffi_call, closure_call
     Purpose:	Check structure passing with different structure size.
  		Depending on the ABI. Check overlapping.
     Limitations:>none.
     PR:		none.
     Originator:	<compnerd@compnerd.org> 20171026	 */
  
  /* { dg-do run } */
  
  #include "ffitest.h"
  
  typedef struct cls_struct_3float {
    float f;
    float g;
    float h;
  } cls_struct_3float;
  
  cls_struct_3float cls_struct_3float_fn(struct cls_struct_3float a1,
  				       struct cls_struct_3float a2)
  {
    struct cls_struct_3float result;
  
    result.f = a1.f + a2.f;
    result.g = a1.g + a2.g;
    result.h = a1.h + a2.h;
  
    printf("%g %g %g %g %g %g: %g %g %g\n", a1.f, a1.g, a1.h,
  	 a2.f, a2.g, a2.h, result.f, result.g, result.h);
  
    CHECK_FLOAT_EQ(a1.f, 1);
    CHECK_FLOAT_EQ(a1.g, 2);
    CHECK_FLOAT_EQ(a1.h, 3);
  
    CHECK_FLOAT_EQ(a2.f, 1);
    CHECK_FLOAT_EQ(a2.g, 2);
    CHECK_FLOAT_EQ(a2.h, 3);
  
    CHECK_FLOAT_EQ(result.f, 2);
    CHECK_FLOAT_EQ(result.g, 4);
    CHECK_FLOAT_EQ(result.h, 6);
  
    return result;
  }
  
  static void
  cls_struct_3float_gn(ffi_cif *cif __UNUSED__, void* resp, void **args,
  		     void* userdata __UNUSED__)
  {
    struct cls_struct_3float a1, a2;
  
    a1 = *(struct cls_struct_3float*)(args[0]);
    a2 = *(struct cls_struct_3float*)(args[1]);
  
    *(cls_struct_3float*)resp = cls_struct_3float_fn(a1, a2);
  }
  
  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[4];
    ffi_type cls_struct_type;
    ffi_type* dbl_arg_types[3];
  
    struct cls_struct_3float g_dbl = { 1.0f, 2.0f, 3.0f };
    struct cls_struct_3float f_dbl = { 1.0f, 2.0f, 3.0f };
    struct cls_struct_3float res_dbl;
  
    cls_struct_fields[0] = &ffi_type_float;
    cls_struct_fields[1] = &ffi_type_float;
    cls_struct_fields[2] = &ffi_type_float;
    cls_struct_fields[3] = NULL;
  
    cls_struct_type.size = 0;
    cls_struct_type.alignment = 0;
    cls_struct_type.type = FFI_TYPE_STRUCT;
    cls_struct_type.elements = cls_struct_fields;
  
    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] = &g_dbl;
    args_dbl[1] = &f_dbl;
    args_dbl[2] = NULL;
  
    ffi_call(&cif, FFI_FN(cls_struct_3float_fn), &res_dbl, args_dbl);
    /* { dg-output "1 2 3 1 2 3: 2 4 6" } */
    printf("res: %g %g %g\n", res_dbl.f, res_dbl.g, res_dbl.h);
    /* { dg-output "\nres: 2 4 6" } */
    CHECK_FLOAT_EQ(res_dbl.f, 2);
    CHECK_FLOAT_EQ(res_dbl.g, 4);
    CHECK_FLOAT_EQ(res_dbl.h, 6);
  
    CHECK(ffi_prep_closure_loc(pcl, &cif, cls_struct_3float_gn, NULL, code) ==
  	FFI_OK);
  
    res_dbl = ((cls_struct_3float(*)(cls_struct_3float,
  				   cls_struct_3float))(code))(g_dbl, f_dbl);
    /* { dg-output "\n1 2 3 1 2 3: 2 4 6" } */
    printf("res: %g %g %g\n", res_dbl.f, res_dbl.g, res_dbl.h);
    /* { dg-output "\nres: 2 4 6" } */
    CHECK_FLOAT_EQ(res_dbl.f, 2);
    CHECK_FLOAT_EQ(res_dbl.g, 4);
    CHECK_FLOAT_EQ(res_dbl.h, 6);
  
    exit(0);
  }
  

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