Sat Jan 28 12:45:43 2012 UTC ()
Add a comment that explains what this code does.


(uwe)
diff -r1.1 -r1.2 src/lib/csu/arch/sh3/crtn.S
cvs diff -r1.1 -r1.2 src/lib/csu/arch/sh3/crtn.S (expand / switch to unified diff)

--- src/lib/csu/arch/sh3/crtn.S 2010/08/07 18:01:34 1.1
+++ src/lib/csu/arch/sh3/crtn.S 2012/01/28 12:45:43 1.2
@@ -1,14 +1,14 @@ @@ -1,14 +1,14 @@
1/* $NetBSD: crtn.S,v 1.1 2010/08/07 18:01:34 joerg Exp $ */ 1/* $NetBSD: crtn.S,v 1.2 2012/01/28 12:45:43 uwe Exp $ */
2 2
3/*- 3/*-
4 * Copyright (c) 2001 Ross Harvey 4 * Copyright (c) 2001 Ross Harvey
5 * All rights reserved. 5 * All rights reserved.
6 * 6 *
7 * Redistribution and use in source and binary forms, with or without 7 * Redistribution and use in source and binary forms, with or without
8 * modification, are permitted provided that the following conditions 8 * modification, are permitted provided that the following conditions
9 * are met: 9 * are met:
10 * 1. Redistributions of source code must retain the above copyright 10 * 1. Redistributions of source code must retain the above copyright
11 * notice, this list of conditions and the following disclaimer. 11 * notice, this list of conditions and the following disclaimer.
12 * 2. Redistributions in binary form must reproduce the above copyright 12 * 2. Redistributions in binary form must reproduce the above copyright
13 * notice, this list of conditions and the following disclaimer in the 13 * notice, this list of conditions and the following disclaimer in the
14 * documentation and/or other materials provided with the distribution. 14 * documentation and/or other materials provided with the distribution.
@@ -25,26 +25,32 @@ @@ -25,26 +25,32 @@
25 * TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR 25 * TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR
26 * PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE FOUNDATION OR CONTRIBUTORS 26 * PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE FOUNDATION OR CONTRIBUTORS
27 * BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR 27 * BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR
28 * CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF 28 * CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF
29 * SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS 29 * SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS
30 * INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN 30 * INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN
31 * CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) 31 * CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE)
32 * ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE 32 * ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE
33 * POSSIBILITY OF SUCH DAMAGE. 33 * POSSIBILITY OF SUCH DAMAGE.
34 */ 34 */
35 35
36#include <machine/asm.h> 36#include <machine/asm.h>
37 37
38RCSID("$NetBSD: crtn.S,v 1.1 2010/08/07 18:01:34 joerg Exp $") 38RCSID("$NetBSD: crtn.S,v 1.2 2012/01/28 12:45:43 uwe Exp $")
 39
 40
 41/*
 42 * Provide function epilogues for the code in .init and .fini sections.
 43 * Corresponding prologues are in crti.S
 44 */
39 45
40 .section ".init", "ax", @progbits 46 .section ".init", "ax", @progbits
41 mov r14, sp 47 mov r14, sp
42 lds.l @sp+, pr 48 lds.l @sp+, pr
43 rts 49 rts
44 mov.l @sp+, r14 50 mov.l @sp+, r14
45 51
46 .section ".fini", "ax", @progbits 52 .section ".fini", "ax", @progbits
47 mov r14, sp 53 mov r14, sp
48 lds.l @sp+, pr 54 lds.l @sp+, pr
49 rts 55 rts
50 mov.l @sp+, r14 56 mov.l @sp+, r14