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-rw-r--r--libc/sysdeps/linux/mips/bsd-setjmp.S49
1 files changed, 49 insertions, 0 deletions
diff --git a/libc/sysdeps/linux/mips/bsd-setjmp.S b/libc/sysdeps/linux/mips/bsd-setjmp.S
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+++ b/libc/sysdeps/linux/mips/bsd-setjmp.S
@@ -0,0 +1,49 @@
+/* BSD `setjmp' entry point to `sigsetjmp (..., 1)'. MIPS version.
+ Copyright (C) 1996, 1997, 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 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, 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 "regdef.h"
+
+#ifdef __PIC__
+ .option pic2
+#endif
+
+.text
+.global setjmp
+.align 2;
+.ent setjmp,0;
+.type setjmp,@function
+
+setjmp:
+ .set noreorder
+#ifdef __PIC__
+ .cpload t9
+ .set reorder
+ la t9, __sigsetjmp
+#endif
+ li a1, 1 /* Pass a second argument of one. */
+#ifdef __PIC__
+ jr t9
+#else
+ j __sigsetjmp
+#endif
+ .end setjmp