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authorUlrich Drepper <drepper@redhat.com>2004-12-22 20:10:10 +0000
committerUlrich Drepper <drepper@redhat.com>2004-12-22 20:10:10 +0000
commita334319f6530564d22e775935d9c91663623a1b4 (patch)
treeb5877475619e4c938e98757d518bb1e9cbead751 /sysdeps/mips/bsd-_setjmp.S
parent0ecb606cb6cf65de1d9fc8a919bceb4be476c602 (diff)
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(CFLAGS-tst-align.c): Add -mpreferred-stack-boundary=4.
Diffstat (limited to 'sysdeps/mips/bsd-_setjmp.S')
-rw-r--r--sysdeps/mips/bsd-_setjmp.S43
1 files changed, 43 insertions, 0 deletions
diff --git a/sysdeps/mips/bsd-_setjmp.S b/sysdeps/mips/bsd-_setjmp.S
new file mode 100644
index 0000000000..5e3ad50305
--- /dev/null
+++ b/sysdeps/mips/bsd-_setjmp.S
@@ -0,0 +1,43 @@
+/* BSD `_setjmp' entry point to `sigsetjmp (..., 0)'. MIPS version.
+ Copyright (C) 1996, 1997, 2000, 2002 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, 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, 0)'.
+ 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>
+
+#ifdef __PIC__
+ .option pic2
+#endif
+ENTRY (_setjmp)
+#ifdef __PIC__
+ .set noreorder
+ .cpload t9
+ .set reorder
+ la t9, C_SYMBOL_NAME (__sigsetjmp)
+#endif
+ move a1,zero /* Pass a second argument of zero. */
+#ifdef __PIC__
+ jr t9
+#else
+ j C_SYMBOL_NAME (__sigsetjmp)
+#endif
+ .end _setjmp
+libc_hidden_def (_setjmp)