diff options
Diffstat (limited to 'nptl/sysdeps/i386/tls.h')
| -rw-r--r-- | nptl/sysdeps/i386/tls.h | 9 |
1 files changed, 9 insertions, 0 deletions
diff --git a/nptl/sysdeps/i386/tls.h b/nptl/sysdeps/i386/tls.h index 65566ff7a7..a870a848cf 100644 --- a/nptl/sysdeps/i386/tls.h +++ b/nptl/sysdeps/i386/tls.h @@ -50,6 +50,7 @@ typedef struct int multiple_threads; uintptr_t sysinfo; uintptr_t stack_guard; + uintptr_t pointer_guard; } tcbhead_t; # define TLS_MULTIPLE_THREADS_IN_TCB 1 @@ -425,6 +426,14 @@ union user_desc_init = THREAD_GETMEM (THREAD_SELF, header.stack_guard)) +/* Set the pointer guard field in the TCB head. */ +#define THREAD_SET_POINTER_GUARD(value) \ + THREAD_SETMEM (THREAD_SELF, header.pointer_guard, value) +#define THREAD_COPY_POINTER_GUARD(descr) \ + ((descr)->header.pointer_guard \ + = THREAD_GETMEM (THREAD_SELF, header.pointer_guard)) + + #endif /* __ASSEMBLER__ */ #endif /* tls.h */ |