text: /* Area:	ffi_call, closure_call
     Purpose:	Check structure passing with different structure size.
  		Depending on the ABI. Check overlapping.
     Limitations:	none.
     PR:		none.
     Originator:	<andreast@gcc.gnu.org> 20050708	 */
  
  /* { dg-do run } */
  #include "ffitest.h"
  
  typedef struct cls_struct_7byte {
    unsigned char a;
    unsigned char b;
    unsigned char c;
    unsigned char d;
    unsigned char e;
    unsigned char f;
    unsigned char g;
  } cls_struct_7byte;
  
  cls_struct_7byte cls_struct_7byte_fn(struct cls_struct_7byte a1,
  			    struct cls_struct_7byte a2)
  {
    struct cls_struct_7byte result;
  
    result.a = a1.a + a2.a;
    result.b = a1.b + a2.b;
    result.c = a1.c + a2.c;
    result.d = a1.d + a2.d;
    result.e = a1.e + a2.e;
    result.f = a1.f + a2.f;
    result.g = a1.g + a2.g;
  
    printf("%d %d %d %d %d %d %d %d %d %d %d %d %d %d: %d %d %d %d %d %d %d\n",
  	 a1.a, a1.b, a1.c, a1.d, a1.e, a1.f, a1.g,
  	 a2.a, a2.b, a2.c, a2.d, a2.e, a2.f, a2.g,
  	 result.a, result.b, result.c, result.d, result.e, result.f, result.g);
  
    return  result;
  }
  
  static void
  cls_struct_7byte_gn(ffi_cif* cif __UNUSED__, void* resp, void** args,
  		    void* userdata __UNUSED__)
  {
  
    struct cls_struct_7byte a1, a2;
  
    a1 = *(struct cls_struct_7byte*)(args[0]);
    a2 = *(struct cls_struct_7byte*)(args[1]);
  
    *(cls_struct_7byte*)resp = cls_struct_7byte_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[8];
    ffi_type cls_struct_type;
    ffi_type* dbl_arg_types[5];
  
    struct cls_struct_7byte g_dbl = { 127, 120, 1, 3, 4, 5, 6 };
    struct cls_struct_7byte f_dbl = { 12, 128, 9, 3, 4, 5, 6 };
    struct cls_struct_7byte res_dbl = { 0, 0, 0, 0, 0, 0, 0 };
  
    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_uchar;
    cls_struct_fields[2] = &ffi_type_uchar;
    cls_struct_fields[3] = &ffi_type_uchar;
    cls_struct_fields[4] = &ffi_type_uchar;
    cls_struct_fields[5] = &ffi_type_uchar;
    cls_struct_fields[6] = &ffi_type_uchar;
    cls_struct_fields[7] = 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_7byte_fn), &res_dbl, args_dbl);
    /* { dg-output "127 120 1 3 4 5 6 12 128 9 3 4 5 6: 139 248 10 6 8 10 12" } */
    printf("res: %d %d %d %d %d %d %d\n", res_dbl.a, res_dbl.b, res_dbl.c,
  	 res_dbl.d, res_dbl.e, res_dbl.f, res_dbl.g);
    /* { dg-output "\nres: 139 248 10 6 8 10 12" } */
  
    res_dbl.a = 0;
    res_dbl.b = 0;
    res_dbl.c = 0;
    res_dbl.d = 0;
    res_dbl.e = 0;
    res_dbl.f = 0;
    res_dbl.g = 0;
  
    CHECK(ffi_prep_closure_loc(pcl, &cif, cls_struct_7byte_gn, NULL, code) == FFI_OK);
  
    res_dbl = ((cls_struct_7byte(*)(cls_struct_7byte, cls_struct_7byte))(code))(g_dbl, f_dbl);
    /* { dg-output "\n127 120 1 3 4 5 6 12 128 9 3 4 5 6: 139 248 10 6 8 10 12" } */
    printf("res: %d %d %d %d %d %d %d\n", res_dbl.a, res_dbl.b, res_dbl.c,
  	 res_dbl.d, res_dbl.e, res_dbl.f, res_dbl.g);
    /* { dg-output "\nres: 139 248 10 6 8 10 12" } */
  
    exit(0);
  }
  