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authorJoseph Myers <joseph@codesourcery.com>2012-07-01 13:08:59 +0000
committerJoseph Myers <joseph@codesourcery.com>2012-07-01 13:08:59 +0000
commite84eabb3871c9b39e59323bf3f6b98c2ca9d1cd0 (patch)
treedff3f1b79454b518d15a7b9bbedeb57ff156bbe8 /ports/sysdeps/alpha/nptl/tcb-offsets.sym
parent75f0d3040a2c2de8842bfa7a09e11da1a73e17d0 (diff)
parente64ac02c24b43659048622714afdc92fedf561fa (diff)
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Merge glibc-ports into ports/ directory. glibc-2.16.90 glibc-2.16-ports-merge
Diffstat (limited to 'ports/sysdeps/alpha/nptl/tcb-offsets.sym')
-rw-r--r--ports/sysdeps/alpha/nptl/tcb-offsets.sym14
1 files changed, 14 insertions, 0 deletions
diff --git a/ports/sysdeps/alpha/nptl/tcb-offsets.sym b/ports/sysdeps/alpha/nptl/tcb-offsets.sym
new file mode 100644
index 0000000000..c21a791040
--- /dev/null
+++ b/ports/sysdeps/alpha/nptl/tcb-offsets.sym
@@ -0,0 +1,14 @@
+#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)
+-- Ho hum, this doesn't work in gcc4, so Know Things about THREAD_SELF
+#define thread_offsetof(mem)	(long)(offsetof(struct pthread, mem) - sizeof(struct pthread))
+
+MULTIPLE_THREADS_OFFSET		thread_offsetof (header.multiple_threads)
+PID_OFFSET			thread_offsetof (pid)
+TID_OFFSET			thread_offsetof (tid)