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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/mips/mips64/bsd-setjmp.S
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/mips/mips64/bsd-setjmp.S')
-rw-r--r--ports/sysdeps/mips/mips64/bsd-setjmp.S46
1 files changed, 46 insertions, 0 deletions
diff --git a/ports/sysdeps/mips/mips64/bsd-setjmp.S b/ports/sysdeps/mips/mips64/bsd-setjmp.S
new file mode 100644
index 0000000000..972dfcaba5
--- /dev/null
+++ b/ports/sysdeps/mips/mips64/bsd-setjmp.S
@@ -0,0 +1,46 @@
+/* BSD `setjmp' entry point to `sigsetjmp (..., 1)'.  MIPS64 version.
+   Copyright (C) 1996, 1997, 2002, 2003, 2004 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 Lesser General Public
+   License as published by the Free Software Foundation; either
+   version 2.1 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
+   Lesser General Public License for more details.
+
+   You should have received a copy of the GNU Lesser General Public
+   License along with the GNU C Library.  If not, see
+   <http://www.gnu.org/licenses/>.  */
+
+/* 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 <sgidefs.h>
+#include <sysdep.h>
+#include <sys/asm.h>
+
+#ifdef PIC
+	.option pic2
+#endif
+ENTRY (setjmp)
+#ifdef __PIC__
+	SETUP_GP
+#endif
+	SETUP_GP64 (v0, C_SYMBOL_NAME (setjmp))
+	PTR_LA t9, C_SYMBOL_NAME (__sigsetjmp)
+#if _MIPS_SIM == _ABIO32
+	nop
+#endif	
+	RESTORE_GP64
+	dli a1, 1		/* Pass a second argument of one.  */
+#ifdef __PIC__
+	jr	t9
+#else
+	j	C_SYMBOL_NAME (__sigsetjmp)
+#endif
+	.end	setjmp