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authorRoland McGrath <roland@gnu.org>1995-02-18 01:27:10 +0000
committerRoland McGrath <roland@gnu.org>1995-02-18 01:27:10 +0000
commit28f540f45bbacd939bfd07f213bcad2bf730b1bf (patch)
tree15f07c4c43d635959c6afee96bde71fb1b3614ee /sysdeps/sparc/setjmp.S
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+/* Copyright (C) 1991, 1993, 1994 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 Library General Public License as
+published by the Free Software Foundation; either version 2 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
+Library General Public License for more details.
+
+You should have received a copy of the GNU Library General Public
+License along with the GNU C Library; see the file COPYING.LIB.  If
+not, write to the Free Software Foundation, Inc., 675 Mass Ave,
+Cambridge, MA 02139, USA.  */
+
+#include <sysdep.h>
+
+/* NOTE: This code depends on the definition of `__jmp_buf' in <jmp_buf.h>.  */
+
+ENTRY (__sigsetjmp)
+	/* Save our return PC and SP (second store in the jmp delay slot).  */
+	st %o7, [%o0]
+	/* Save the signal mask if requested.  We do this as a tail-call
+	   for simplicity; it always returns zero.  */
+	sethi %hi(C_SYMBOL_NAME (__sigjmp_save)), %g1
+	or %lo(C_SYMBOL_NAME (__sigjmp_save)), %g1, %g1
+	jmp %g1
+	st %sp, [%o0 + 4]