const-str-11.m

来自「linux下编程用 编译软件」· M 代码 · 共 28 行

/* Test if ObjC constant string layout is checked properly, regardless of how
   constant string classes get derived.  */
/* Contributed by Ziemowit Laski <[e-mail]>  */

/* { dg-options "-fnext-runtime -fconstant-string-class=XStr" } */
/* { dg-do compile { target *-*-darwin* } } */

#include <objc/Object.h>

@interface XString: Object {
@protected
    char *bytes;
}
@end

@interface XStr : XString {
@public
    unsigned int len;
}
@end

extern struct objc_class _XStrClassReference;

const XStr *appKey = @"MyApp";

/* { dg-final { scan-assembler ".section __OBJC, __cstring_object" } } */
/* { dg-final { scan-assembler ".long\t__XStrClassReference\n\t.long\t.*\n\t.long\t5\n\t.data" } } */