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

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• Hash : 332a539e
  Author :
  Date : 2019-11-22T18:54:30
  

  Move closure tests so we can easily XFAIL them for some targets

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• testsuite/libffi.closures/cls_align_pointer.c

• /* Area:	ffi_call, closure_call
     Purpose:	Check structure alignment of pointer.
     Limitations:	none.
     PR:		none.
     Originator:	<hos@tamanegi.org> 20031203	 */
  
  /* { dg-do run } */
  #include "ffitest.h"
  
  typedef struct cls_struct_align {
    unsigned char a;
    void *b;
    unsigned char c;
  } cls_struct_align;
  
  cls_struct_align cls_struct_align_fn(struct cls_struct_align a1,
  			    struct cls_struct_align a2)
  {
    struct cls_struct_align result;
  
    result.a = a1.a + a2.a;
    result.b = (void *)((uintptr_t)a1.b + (uintptr_t)a2.b);
    result.c = a1.c + a2.c;
  
    printf("%d %" PRIuPTR " %d %d %" PRIuPTR " %d: %d %" PRIuPTR " %d\n", 
           a1.a, (uintptr_t)a1.b, a1.c,
  	 a2.a, (uintptr_t)a2.b, a2.c,
           result.a, (uintptr_t)result.b,
  	 result.c);
  
    return result;
  }
  
  static void
  cls_struct_align_gn(ffi_cif* cif __UNUSED__, void* resp, void** args,
  		    void* userdata __UNUSED__)
  {
  
    struct cls_struct_align a1, a2;
  
    a1 = *(struct cls_struct_align*)(args[0]);
    a2 = *(struct cls_struct_align*)(args[1]);
  
    *(cls_struct_align*)resp = cls_struct_align_fn(a1, a2);
  }
  
  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[4];
    ffi_type cls_struct_type;
    ffi_type* dbl_arg_types[5];
  
    struct cls_struct_align g_dbl = { 12, (void *)4951, 127 };
    struct cls_struct_align f_dbl = { 1, (void *)9320, 13 };
    struct cls_struct_align 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_uchar;
    cls_struct_fields[1] = &ffi_type_pointer;
    cls_struct_fields[2] = &ffi_type_uchar;
    cls_struct_fields[3] = 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] = &g_dbl;
    args_dbl[1] = &f_dbl;
    args_dbl[2] = NULL;
  
    ffi_call(&cif, FFI_FN(cls_struct_align_fn), &res_dbl, args_dbl);
    /* { dg-output "12 4951 127 1 9320 13: 13 14271 140" } */
    printf("res: %d %" PRIuPTR " %d\n", res_dbl.a, (uintptr_t)res_dbl.b, res_dbl.c);
    /* { dg-output "\nres: 13 14271 140" } */
  
    CHECK(ffi_prep_closure_loc(pcl, &cif, cls_struct_align_gn, NULL, code) == FFI_OK);
  
    res_dbl = ((cls_struct_align(*)(cls_struct_align, cls_struct_align))(code))(g_dbl, f_dbl);
    /* { dg-output "\n12 4951 127 1 9320 13: 13 14271 140" } */
    printf("res: %d %" PRIuPTR " %d\n", res_dbl.a, (uintptr_t)res_dbl.b, res_dbl.c);
    /* { dg-output "\nres: 13 14271 140" } */
  
    exit(0);
  }
  

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