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authorPeter S. Mazinger <ps.m@gmx.net>2011-03-13 20:56:54 +0100
committerBernhard Reutner-Fischer <rep.dot.nop@gmail.com>2012-06-15 14:00:23 +0200
commit0078a92e395d3e351c0ff23536781b58a800131e (patch)
tree39396e644f01bee3a2c8ddd009ec0fd521f3cff6 /libc/sysdeps/linux/x86_64/jmpbuf-unwind.h
parent8f86b8a1977128e2795737fed2577b377cc2b15e (diff)
add jmpbuf-offsets.h and jmpbuf-unwind.h for all archs (LT related)
Signed-off-by: Peter S. Mazinger <ps.m@gmx.net> Signed-off-by: Bernhard Reutner-Fischer <rep.dot.nop@gmail.com>
Diffstat (limited to 'libc/sysdeps/linux/x86_64/jmpbuf-unwind.h')
-rw-r--r--libc/sysdeps/linux/x86_64/jmpbuf-unwind.h17
1 files changed, 17 insertions, 0 deletions
diff --git a/libc/sysdeps/linux/x86_64/jmpbuf-unwind.h b/libc/sysdeps/linux/x86_64/jmpbuf-unwind.h
new file mode 100644
index 000000000..885f64f32
--- /dev/null
+++ b/libc/sysdeps/linux/x86_64/jmpbuf-unwind.h
@@ -0,0 +1,17 @@
+/*
+ * Copyright (C) 2000-2006 Erik Andersen <andersen@uclibc.org>
+ *
+ * Licensed under the LGPL v2.1, see the file COPYING.LIB in this tarball.
+ */
+#include <setjmp.h>
+#include <jmpbuf-offsets.h>
+
+/* Test if longjmp to JMPBUF would unwind the frame
+ containing a local variable at ADDRESS. */
+#if __WORDSIZE == 64
+# define _JMPBUF_UNWINDS(jmpbuf, address) \
+ ((void *) (address) < (void *) (jmpbuf)[JB_RSP])
+#else
+# define _JMPBUF_UNWINDS(jmpbuf, address) \
+ ((void *) (address) < (void *) (jmpbuf)[JB_SP])
+#endif