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-rw-r--r--libc/sysdeps/linux/powerpc/bsd-setjmp.S36
1 files changed, 36 insertions, 0 deletions
diff --git a/libc/sysdeps/linux/powerpc/bsd-setjmp.S b/libc/sysdeps/linux/powerpc/bsd-setjmp.S
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index 000000000..1555bb2b3
--- /dev/null
+++ b/libc/sysdeps/linux/powerpc/bsd-setjmp.S
@@ -0,0 +1,36 @@
+/* BSD `setjmp' entry point to `sigsetjmp (..., 1)'. PowerPC version.
+ Copyright (C) 1994, 1997, 1999, 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 "ppc_asm.h"
+
+.globl __setjmp;
+.type __setjmp, @function;
+.align 2;
+
+__setjmp:
+ li r4,1 /* Set second argument to 1. */
+ b __sigsetjmp
+.size __setjmp,.-__setjmp
+
+.globl setjmp;
+.set setjmp,__setjmp