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-rw-r--r--sysdeps/alpha/nptl/tcb-offsets.sym12
1 files changed, 12 insertions, 0 deletions
diff --git a/sysdeps/alpha/nptl/tcb-offsets.sym b/sysdeps/alpha/nptl/tcb-offsets.sym
new file mode 100644
index 0000000000..3f6433d5e9
--- /dev/null
+++ b/sysdeps/alpha/nptl/tcb-offsets.sym
@@ -0,0 +1,12 @@
+#include <sysdep.h>
+#include <tls.h>
+
+--
+
+-- Abuse tls.h macros to derive offsets relative to the thread register.
+# define __builtin_thread_pointer() ((void *) 0)
+# define thread_offsetof(mem) ((void *) &THREAD_SELF->mem - (void *) 0)
+
+#if TLS_MULTIPLE_THREADS_IN_TCB
+MULTIPLE_THREADS_OFFSET thread_offsetof (header.multiple_threads)
+#endif