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-rw-r--r--sysdeps/i386/nptl/tcb-offsets.sym1
-rw-r--r--sysdeps/i386/nptl/tls.h3
2 files changed, 3 insertions, 1 deletions
diff --git a/sysdeps/i386/nptl/tcb-offsets.sym b/sysdeps/i386/nptl/tcb-offsets.sym
index fbac241c45..2ec9e787c1 100644
--- a/sysdeps/i386/nptl/tcb-offsets.sym
+++ b/sysdeps/i386/nptl/tcb-offsets.sym
@@ -13,3 +13,4 @@ CLEANUP_PREV offsetof (struct _pthread_cleanup_buffer, __prev)
MUTEX_FUTEX offsetof (pthread_mutex_t, __data.__lock)
POINTER_GUARD offsetof (tcbhead_t, pointer_guard)
FEATURE_1_OFFSET offsetof (tcbhead_t, feature_1)
+SSP_BASE_OFFSET offsetof (tcbhead_t, ssp_base)
diff --git a/sysdeps/i386/nptl/tls.h b/sysdeps/i386/nptl/tls.h
index 21e23cd809..12285d3217 100644
--- a/sysdeps/i386/nptl/tls.h
+++ b/sysdeps/i386/nptl/tls.h
@@ -49,7 +49,8 @@ typedef struct
void *__private_tm[3];
/* GCC split stack support. */
void *__private_ss;
- void *__glibc_reserved2;
+ /* The lowest address of shadow stack, */
+ unsigned long ssp_base;
} tcbhead_t;
/* morestack.S in libgcc uses offset 0x30 to access __private_ss, */