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authorobrien <obrien@FreeBSD.org>2002-04-13 22:09:53 +0000
committerobrien <obrien@FreeBSD.org>2002-04-13 22:09:53 +0000
commit58a5019a88325a34356ee72b7d690511824edaf1 (patch)
tree2d208d0f92dafca8df9a27b0523bb6bc47b8dc34 /lib/libstand/sparc64
parent36d8f389dad57e69178b782ef1494506b0a9a296 (diff)
downloadFreeBSD-src-58a5019a88325a34356ee72b7d690511824edaf1.zip
FreeBSD-src-58a5019a88325a34356ee72b7d690511824edaf1.tar.gz
libstand needs _setjmp/_longjmp for FICL.
Submitted by: jake
Diffstat (limited to 'lib/libstand/sparc64')
-rw-r--r--lib/libstand/sparc64/_setjmp.S100
1 files changed, 100 insertions, 0 deletions
diff --git a/lib/libstand/sparc64/_setjmp.S b/lib/libstand/sparc64/_setjmp.S
new file mode 100644
index 0000000..a2439b5
--- /dev/null
+++ b/lib/libstand/sparc64/_setjmp.S
@@ -0,0 +1,100 @@
+/*
+ * Copyright (c) 1992, 1993
+ * The Regents of the University of California. All rights reserved.
+ *
+ * This software was developed by the Computer Systems Engineering group
+ * at Lawrence Berkeley Laboratory under DARPA contract BG 91-66 and
+ * contributed to Berkeley.
+ *
+ * Redistribution and use in source and binary forms, with or without
+ * modification, are permitted provided that the following conditions
+ * are met:
+ * 1. Redistributions of source code must retain the above copyright
+ * notice, this list of conditions and the following disclaimer.
+ * 2. Redistributions in binary form must reproduce the above copyright
+ * notice, this list of conditions and the following disclaimer in the
+ * documentation and/or other materials provided with the distribution.
+ * 3. All advertising materials mentioning features or use of this software
+ * must display the following acknowledgement:
+ * This product includes software developed by the University of
+ * California, Berkeley and its contributors.
+ * 4. Neither the name of the University nor the names of its contributors
+ * may be used to endorse or promote products derived from this software
+ * without specific prior written permission.
+ *
+ * THIS SOFTWARE IS PROVIDED BY THE REGENTS AND CONTRIBUTORS ``AS IS'' AND
+ * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
+ * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
+ * ARE DISCLAIMED. IN NO EVENT SHALL THE REGENTS OR CONTRIBUTORS BE LIABLE
+ * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
+ * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
+ * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
+ * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
+ * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
+ * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
+ * SUCH DAMAGE.
+ *
+ * $Header: _setjmp.s,v 1.1 91/07/06 16:45:53 torek Exp
+ */
+
+#if defined(LIBC_SCCS) && !defined(lint)
+#if 0
+ .asciz "@(#)_setjmp.s 8.1 (Berkeley) 6/4/93"
+#else
+ RCSID("$NetBSD: _setjmp.S,v 1.4 1998/10/08 02:27:59 eeh Exp $")
+#endif
+#endif /* LIBC_SCCS and not lint */
+
+#include <machine/asm.h>
+__FBSDID("$FreeBSD$");
+
+#define _JB_FP 0x0
+#define _JB_PC 0x8
+#define _JB_SP 0x10
+
+ .register %g2,#ignore
+ .register %g3,#ignore
+
+/*
+ * C library -- setjmp, longjmp
+ *
+ * longjmp(a,v)
+ * will generate a "return(v?v:1)" from
+ * the last call to
+ * setjmp(a)
+ * by restoring the previous context.
+ */
+
+ENTRY(setjmp)
+ stx %sp, [%o0 + _JB_SP]
+ stx %o7, [%o0 + _JB_PC]
+ stx %fp, [%o0 + _JB_FP]
+ retl
+ clr %o0
+END(setjmp)
+
+ .weak CNAME(longjmp)
+ .set CNAME(longjmp),CNAME(__longjmp)
+ENTRY(__longjmp)
+ mov 1, %g1
+ movrnz %o1, %o1, %g1
+ mov %o0, %g2
+ ldx [%g2 + _JB_FP], %g3
+1: cmp %fp, %g3
+ bl,a 1b
+ restore
+ be,a 2f
+ ldx [%g2 + _JB_SP], %o0
+
+.Lbotch:
+ illtrap
+
+2: cmp %o0, %sp
+ bge,a 3f
+ mov %o0, %sp
+ b,a .Lbotch
+ nop
+3: ldx [%g2 + _JB_PC], %o7
+ retl
+ mov %g1, %o0
+END(__longjmp)
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