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-rw-r--r--libc/sysdeps/linux/arm/jmpbuf-unwind.h12
1 files changed, 12 insertions, 0 deletions
diff --git a/libc/sysdeps/linux/arm/jmpbuf-unwind.h b/libc/sysdeps/linux/arm/jmpbuf-unwind.h
new file mode 100644
index 000000000..d83c6813b
--- /dev/null
+++ b/libc/sysdeps/linux/arm/jmpbuf-unwind.h
@@ -0,0 +1,12 @@
+/*
+ * 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. */
+#define _JMPBUF_UNWINDS(jmpbuf, address) \
+ ((void *) (address) < (void *) (jmpbuf[__JMP_BUF_SP]))