From 2c6cfe6853a30deb4af842aacc924fa298d0521a Mon Sep 17 00:00:00 2001
From: Jakub Jelinek <jakub@redhat.com>
Date: Mon, 19 Dec 2005 12:11:38 +0000
Subject: Updated to fedora-glibc-20051219T1003

---
 nptl/sysdeps/x86_64/tls.h | 10 ++++++++++
 1 file changed, 10 insertions(+)

(limited to 'nptl/sysdeps/x86_64/tls.h')

diff --git a/nptl/sysdeps/x86_64/tls.h b/nptl/sysdeps/x86_64/tls.h
index 516827b8e1..13cf6fb3f5 100644
--- a/nptl/sysdeps/x86_64/tls.h
+++ b/nptl/sysdeps/x86_64/tls.h
@@ -49,6 +49,7 @@ typedef struct
   int multiple_threads;
   uintptr_t sysinfo;
   uintptr_t stack_guard;
+  uintptr_t pointer_guard;
 } tcbhead_t;
 
 #else /* __ASSEMBLER__ */
@@ -329,6 +330,15 @@ typedef struct
     ((descr)->header.stack_guard					      \
      = 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 */
-- 
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