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-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