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authorEric Andersen <andersen@codepoet.org>2001-02-21 18:58:30 +0000
committerEric Andersen <andersen@codepoet.org>2001-02-21 18:58:30 +0000
commit36970cc69149ef3a3f32d57663a14adedaebcbb9 (patch)
treea82e8df0bf9a6771c4b27f9f15c5a2844e8f81ea /libc/sysdeps/linux/sh/bsd-setjmp.S
parent93ccb0356b10af44f620ec035fb76fa8a1165c22 (diff)
Add an SH port done by Jean-Yves Avenard of Hewlett-Packard - Embedded
and Personal Systems. Thanks! -Erik
Diffstat (limited to 'libc/sysdeps/linux/sh/bsd-setjmp.S')
-rw-r--r--libc/sysdeps/linux/sh/bsd-setjmp.S33
1 files changed, 33 insertions, 0 deletions
diff --git a/libc/sysdeps/linux/sh/bsd-setjmp.S b/libc/sysdeps/linux/sh/bsd-setjmp.S
new file mode 100644
index 000000000..ea47caa6c
--- /dev/null
+++ b/libc/sysdeps/linux/sh/bsd-setjmp.S
@@ -0,0 +1,33 @@
+/* BSD `setjmp' entry point to `sigsetjmp (..., 1)'. SH version.
+ Copyright (C) 1999, 2000 Free Software Foundation, Inc.
+ This file is part of the GNU C Library.
+
+ The GNU C Library is free software; you can redistribute it and/or
+ modify it under the terms of the GNU Library General Public License as
+ published by the Free Software Foundation; either version 2 of the
+ License, or (at your option) any later version.
+
+ The GNU C Library is distributed in the hope that it will be useful,
+ but WITHOUT ANY WARRANTY; without even the implied warranty of
+ MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
+ Library General Public License for more details.
+
+ You should have received a copy of the GNU Library General Public
+ License along with the GNU C Library; see the file COPYING.LIB. If not,
+ write to the Free Software Foundation, Inc., 59 Temple Place - Suite 330,
+ Boston, MA 02111-1307, USA. */
+
+/* This just does a tail-call to `__sigsetjmp (ARG, 1)'.
+ We cannot do it in C because it must be a tail-call, so frame-unwinding
+ in setjmp doesn't clobber the state restored by longjmp. */
+
+#include <sysdep.h>
+
+ENTRY (setjmp)
+ mov.l 1f, r1
+ jmp @r1
+ mov #1, r0
+ .align 2
+1:
+ .long __sigsetjmp
+END (setjmp)