summaryrefslogtreecommitdiff
path: root/sysdeps/mips/mips64/bsd-_setjmp.S
diff options
context:
space:
mode:
Diffstat (limited to 'sysdeps/mips/mips64/bsd-_setjmp.S')
-rw-r--r--sysdeps/mips/mips64/bsd-_setjmp.S49
1 files changed, 49 insertions, 0 deletions
diff --git a/sysdeps/mips/mips64/bsd-_setjmp.S b/sysdeps/mips/mips64/bsd-_setjmp.S
new file mode 100644
index 0000000000..7620cf391f
--- /dev/null
+++ b/sysdeps/mips/mips64/bsd-_setjmp.S
@@ -0,0 +1,49 @@
+/* BSD `_setjmp' entry point to `sigsetjmp (..., 0)'. MIPS64 version.
+ Copyright (C) 1996, 1997, 2000, 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, 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 <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
+ 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)