kc3-lang/libffi/testsuite/libffi.call/struct7.c

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• Hash : e48918ec
  Author :
  Date : 2014-03-16T20:29:27
  

  testsuite: Add ABIs to the test matrix; unify tests across ABIs
  
  This eliminates all the *_win32.c tests in favor of the tests they were
  branched from, and expands test coverage to run many more tests on
  stdcall, thiscall, and fastcall.
  
  This same mechanism also supports testing any other target that has
  multiple ABIs.
  

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• testsuite/libffi.call/struct7.c

• /* Area:	ffi_call
     Purpose:	Check structures.
     Limitations:	none.
     PR:		none.
     Originator:	From the original ffitest.c  */
  
  /* { dg-do run } */
  #include "ffitest.h"
  typedef struct
  {
    float f1;
    float f2;
    double d;
  } test_structure_7;
  
  static test_structure_7 ABI_ATTR struct7 (test_structure_7 ts)
  {
    ts.f1 += 1;
    ts.f2 += 1;
    ts.d += 1;
  
    return ts;
  }
  
  int main (void)
  {
    ffi_cif cif;
    ffi_type *args[MAX_ARGS];
    void *values[MAX_ARGS];
    ffi_type ts7_type;
    ffi_type *ts7_type_elements[4];
  
    test_structure_7 ts7_arg;
  
    /* This is a hack to get a properly aligned result buffer */
    test_structure_7 *ts7_result =
      (test_structure_7 *) malloc (sizeof(test_structure_7));
  
    ts7_type.size = 0;
    ts7_type.alignment = 0;
    ts7_type.type = FFI_TYPE_STRUCT;
    ts7_type.elements = ts7_type_elements;
    ts7_type_elements[0] = &ffi_type_float;
    ts7_type_elements[1] = &ffi_type_float;
    ts7_type_elements[2] = &ffi_type_double;
    ts7_type_elements[3] = NULL;
  
    args[0] = &ts7_type;
    values[0] = &ts7_arg;
    
    /* Initialize the cif */
    CHECK(ffi_prep_cif(&cif, ABI_NUM, 1, &ts7_type, args) == FFI_OK);
    
    ts7_arg.f1 = 5.55f;
    ts7_arg.f2 = 55.5f;
    ts7_arg.d = 6.66;
  
    printf ("%g\n", ts7_arg.f1);
    printf ("%g\n", ts7_arg.f2);
    printf ("%g\n", ts7_arg.d);
    
    ffi_call(&cif, FFI_FN(struct7), ts7_result, values);
  
    printf ("%g\n", ts7_result->f1);
    printf ("%g\n", ts7_result->f2);
    printf ("%g\n", ts7_result->d);
    
    CHECK(ts7_result->f1 == 5.55f + 1);
    CHECK(ts7_result->f2 == 55.5f + 1);
    CHECK(ts7_result->d == 6.66 + 1);
    
    free (ts7_result);
    exit(0);
  }
  

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