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Diffstat (limited to 'nptl/sysdeps/i386/tls.h')
-rw-r--r--nptl/sysdeps/i386/tls.h9
1 files changed, 9 insertions, 0 deletions
diff --git a/nptl/sysdeps/i386/tls.h b/nptl/sysdeps/i386/tls.h
index c0331140f4..65566ff7a7 100644
--- a/nptl/sysdeps/i386/tls.h
+++ b/nptl/sysdeps/i386/tls.h
@@ -49,6 +49,7 @@ typedef struct
void *self; /* Pointer to the thread descriptor. */
int multiple_threads;
uintptr_t sysinfo;
+ uintptr_t stack_guard;
} tcbhead_t;
# define TLS_MULTIPLE_THREADS_IN_TCB 1
@@ -416,6 +417,14 @@ union user_desc_init
__res; })
+/* Set the stack guard field in TCB head. */
+#define THREAD_SET_STACK_GUARD(value) \
+ THREAD_SETMEM (THREAD_SELF, header.stack_guard, value)
+#define THREAD_COPY_STACK_GUARD(descr) \
+ ((descr)->header.stack_guard \
+ = THREAD_GETMEM (THREAD_SELF, header.stack_guard))
+
+
#endif /* __ASSEMBLER__ */
#endif /* tls.h */