diff options
| -rw-r--r-- | sysdeps/generic/libc-mtag.h | 41 |
1 files changed, 31 insertions, 10 deletions
diff --git a/sysdeps/generic/libc-mtag.h b/sysdeps/generic/libc-mtag.h index 1a866cd..e8fc236 100644 --- a/sysdeps/generic/libc-mtag.h +++ b/sysdeps/generic/libc-mtag.h @@ -31,22 +31,43 @@ /* Extra flags to pass to mmap() to request a tagged region of memory. */ #define __MTAG_MMAP_FLAGS 0 +/* Memory tagging target hooks are only called when memory tagging is + enabled at runtime. The generic definitions here must not be used. */ +void __libc_mtag_link_error (void); + /* Set the tags for a region of memory, which must have size and alignment - that are multiples of __MTAG_GRANULE_SIZE. Size cannot be zero. - void *__libc_mtag_tag_region (const void *, size_t) */ -#define __libc_mtag_tag_region(p, s) (p) + that are multiples of __MTAG_GRANULE_SIZE. Size cannot be zero. */ +static inline void * +__libc_mtag_tag_region (void *p, size_t n) +{ + __libc_mtag_link_error (); + return p; +} /* Optimized equivalent to __libc_mtag_tag_region followed by memset. */ -#define __libc_mtag_memset_with_tag memset +static inline void * +__libc_mtag_memset_with_tag (void *p, int c, size_t n) +{ + __libc_mtag_link_error (); + return memset (p, c, n); +} /* Convert address P to a pointer that is tagged correctly for that - location. - void *__libc_mtag_address_get_tag (void*) */ -#define __libc_mtag_address_get_tag(p) (p) + location. */ +static inline void * +__libc_mtag_address_get_tag (void *p) +{ + __libc_mtag_link_error (); + return p; +} /* Assign a new (random) tag to a pointer P (does not adjust the tag on - the memory addressed). - void *__libc_mtag_new_tag (void*) */ -#define __libc_mtag_new_tag(p) (p) + the memory addressed). */ +static inline void * +__libc_mtag_new_tag (void *p) +{ + __libc_mtag_link_error (); + return p; +} #endif /* _GENERIC_LIBC_MTAG_H */ |