1/* Test if ObjC constant string layout is checked properly, regardless of how
2   constant string classes get derived.  */
3/* Contributed by Ziemowit Laski <zlaski@apple.com>  */
4
5/* { dg-do compile } */
6/* { dg-skip-if "" { *-*-* } { "-fgnu-runtime" } { "" } } */
7/* { dg-options "-mno-constant-cfstrings" { target *-*-darwin* } } */
8
9#include <Foundation/NSObject.h>
10#include "../../../objc-obj-c++-shared/runtime.h" /* For NEXT_OBJC_USE_NEW_INTERFACE.  */
11
12@interface NSString: NSObject
13@end
14
15@interface NSSimpleCString : NSString {
16@protected
17    char *bytes;
18    unsigned int numBytes;
19}
20@end
21    
22@interface NSConstantString : NSSimpleCString
23@end
24
25#ifdef NEXT_OBJC_USE_NEW_INTERFACE
26Class _NSConstantStringClassReference;
27#else
28extern struct objc_class _NSConstantStringClassReference;
29#endif
30
31const NSConstantString *appKey = @"MyApp";
32
33/* { dg-final { scan-assembler ".section __OBJC, __cstring_object" { target { *-*-darwin* && { ! lp64 } } } } } */
34/* { dg-final { scan-assembler ".section __DATA, __objc_stringobj" { target { *-*-darwin* && { lp64 } } } } } */
35/* { dg-final { scan-assembler ".long\t__NSConstantStringClassReference\n\t.long\t.*\n\t.long\t5\n\t.data" { target { *-*-darwin* && { ! lp64 } } } } } */
36/* { dg-final { scan-assembler ".quad\t_OBJC_CLASS_._NSConstantString\n\t.quad\t.*\n\t.long\t5\n\t.space" { target { *-*-darwin* && { lp64 } } } } } */
37