c3-lang/libffi/testsuite/libffi.closures/cls_struct_va1.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_struct_va1.c

• /* Area:		ffi_call, closure_call
     Purpose:		Test doubles passed in variable argument lists.
     Limitations:	none.
     PR:			none.
     Originator:	Blake Chaffin 6/6/2007	 */
  
  /* { dg-do run } */
  /* { dg-output "" { xfail avr32*-*-* } } */
  #include "ffitest.h"
  
  struct small_tag
  {
    unsigned char a;
    unsigned char b;
  };
  
  struct large_tag
  {
    unsigned a;
    unsigned b;
    unsigned c;
    unsigned d;
    unsigned e;
  };
  
  static void
  test_fn (ffi_cif* cif __UNUSED__, void* resp,
  	 void** args, void* userdata __UNUSED__)
  {
    int n = *(int*)args[0];
    struct small_tag s1 = * (struct small_tag *) args[1];
    struct large_tag l1 = * (struct large_tag *) args[2];
    struct small_tag s2 = * (struct small_tag *) args[3];
  
    printf ("%d %d %d %d %d %d %d %d %d %d\n", n, s1.a, s1.b,
  	  l1.a, l1.b, l1.c, l1.d, l1.e,
  	  s2.a, s2.b);
    CHECK(n == 4);
    CHECK(s1.a == 5);
    CHECK(s1.b == 6);
    CHECK(l1.a == 10);
    CHECK(l1.b == 11);
    CHECK(l1.c == 12);
    CHECK(l1.d == 13);
    CHECK(l1.e == 14);
    CHECK(s2.a == 20);
    CHECK(s2.b == 21);
    * (ffi_arg*) resp = 42;
  }
  
  int
  main (void)
  {
    ffi_cif cif;
    void *code;
    ffi_closure *pcl = ffi_closure_alloc (sizeof (ffi_closure), &code);
    ffi_type* arg_types[5];
  
    ffi_arg res = 0;
  
    ffi_type s_type;
    ffi_type *s_type_elements[3];
  
    ffi_type l_type;
    ffi_type *l_type_elements[6];
  
    struct small_tag s1;
    struct small_tag s2;
    struct large_tag l1;
  
    int si;
  
    s_type.size = 0;
    s_type.alignment = 0;
    s_type.type = FFI_TYPE_STRUCT;
    s_type.elements = s_type_elements;
  
    s_type_elements[0] = &ffi_type_uchar;
    s_type_elements[1] = &ffi_type_uchar;
    s_type_elements[2] = NULL;
  
    l_type.size = 0;
    l_type.alignment = 0;
    l_type.type = FFI_TYPE_STRUCT;
    l_type.elements = l_type_elements;
  
    l_type_elements[0] = &ffi_type_uint;
    l_type_elements[1] = &ffi_type_uint;
    l_type_elements[2] = &ffi_type_uint;
    l_type_elements[3] = &ffi_type_uint;
    l_type_elements[4] = &ffi_type_uint;
    l_type_elements[5] = NULL;
  
    arg_types[0] = &ffi_type_sint;
    arg_types[1] = &s_type;
    arg_types[2] = &l_type;
    arg_types[3] = &s_type;
    arg_types[4] = NULL;
  
    CHECK(ffi_prep_cif_var(&cif, FFI_DEFAULT_ABI, 1, 4, &ffi_type_sint,
  			 arg_types) == FFI_OK);
  
    si = 4;
    s1.a = 5;
    s1.b = 6;
  
    s2.a = 20;
    s2.b = 21;
  
    l1.a = 10;
    l1.b = 11;
    l1.c = 12;
    l1.d = 13;
    l1.e = 14;
  
    CHECK(ffi_prep_closure_loc(pcl, &cif, test_fn, NULL, code) == FFI_OK);
  
    res = ((int (*)(int, ...))(code))(si, s1, l1, s2);
    /* { dg-output "4 5 6 10 11 12 13 14 20 21" } */
    printf("res: %d\n", (int) res);
    /* { dg-output "\nres: 42" } */
    CHECK(res == 42);
  
    exit(0);
  }
  

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