gcc/testsuite/objc.dg/torture/strings/const-str-10.m

   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 { target { *-*-darwin* } } } */
   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 #ifndef NEXT_OBJC_USE_NEW_INTERFACE
  26 extern struct objc_class _NSConstantStringClassReference;
  27 #else
  28 extern Class _NSConstantStringClassReference;
  29 #endif
  30
  31 const 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 } } } } } */