Wed Aug 13 15:41:22 2014 UTC ()
[] -> ()


(joerg)
diff -r1.4 -r1.5 src/lib/libc/arch/powerpc64/gen/swapcontext.S
cvs diff -r1.4 -r1.5 src/lib/libc/arch/powerpc64/gen/swapcontext.S (expand / switch to unified diff)

--- src/lib/libc/arch/powerpc64/gen/swapcontext.S 2012/09/12 02:00:52 1.4
+++ src/lib/libc/arch/powerpc64/gen/swapcontext.S 2014/08/13 15:41:21 1.5
@@ -1,14 +1,14 @@ @@ -1,14 +1,14 @@
1/* $NetBSD: swapcontext.S,v 1.4 2012/09/12 02:00:52 manu Exp $ */ 1/* $NetBSD: swapcontext.S,v 1.5 2014/08/13 15:41:21 joerg Exp $ */
2 2
3/*- 3/*-
4 * Copyright (c) 2001 The NetBSD Foundation, Inc. 4 * Copyright (c) 2001 The NetBSD Foundation, Inc.
5 * All rights reserved. 5 * All rights reserved.
6 * 6 *
7 * This code is derived from software contributed to The NetBSD Foundation 7 * This code is derived from software contributed to The NetBSD Foundation
8 * by Klaus Klein. 8 * by Klaus Klein.
9 * 9 *
10 * Redistribution and use in source and binary forms, with or without 10 * Redistribution and use in source and binary forms, with or without
11 * modification, are permitted provided that the following conditions 11 * modification, are permitted provided that the following conditions
12 * are met: 12 * are met:
13 * 1. Redistributions of source code must retain the above copyright 13 * 1. Redistributions of source code must retain the above copyright
14 * notice, this list of conditions and the following disclaimer. 14 * notice, this list of conditions and the following disclaimer.
@@ -23,34 +23,34 @@ @@ -23,34 +23,34 @@
23 * BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR 23 * BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR
24 * CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF 24 * CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF
25 * SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS 25 * SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS
26 * INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN 26 * INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN
27 * CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) 27 * CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE)
28 * ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE 28 * ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE
29 * POSSIBILITY OF SUCH DAMAGE. 29 * POSSIBILITY OF SUCH DAMAGE.
30 */ 30 */
31 31
32#include "SYS.h" 32#include "SYS.h"
33 33
34#if defined(LIBC_SCCS) && !defined(lint) 34#if defined(LIBC_SCCS) && !defined(lint)
35 .text 35 .text
36 .asciz "$NetBSD: swapcontext.S,v 1.4 2012/09/12 02:00:52 manu Exp $" 36 .asciz "$NetBSD: swapcontext.S,v 1.5 2014/08/13 15:41:21 joerg Exp $"
37#endif /* LIBC_SCCS && !lint */ 37#endif /* LIBC_SCCS && !lint */
38 38
39ENTRY(swapcontext) 39ENTRY(swapcontext)
40 mc_off = 56 # offset of uc_mcontext 40 mc_off = 56 # offset of uc_mcontext
41 stdu %r1,-SF_SZ(%r1) # set up new stack frame 41 stdu %r1,-SF_SZ(%r1) # set up new stack frame
42 mflr %r0 42 mflr %r0
43 std %r0,[SF_SZ+SF_LR](%r1) # save link register 43 std %r0,(SF_SZ+SF_LR)(%r1) # save link register
44 std %r3,SF_PARAM(%r1) # must save oucp (was 8) 44 std %r3,SF_PARAM(%r1) # must save oucp (was 8)
45 std %r4,SF_PARAM+8(%r1) # must save ucp (was 12) 45 std %r4,SF_PARAM+8(%r1) # must save ucp (was 12)
46 bl ._getcontext # getcontext(oucp) 46 bl ._getcontext # getcontext(oucp)
47 nop 47 nop
48 cmpdi %r3,0 48 cmpdi %r3,0
49 bne 1f 49 bne 1f
50 ld %r11,SF_PARAM(%r1) # load oucp for adjustment 50 ld %r11,SF_PARAM(%r1) # load oucp for adjustment
51 ld %r0,SF_SZ+SF_LR(%r1) # get LR back 51 ld %r0,SF_SZ+SF_LR(%r1) # get LR back
52 std %r0,mc_off+34*8(%r11) # pc <- lr 52 std %r0,mc_off+34*8(%r11) # pc <- lr
53 la %r0,16(%r1) 53 la %r0,16(%r1)
54 std %r0,mc_off+1*8(%r11) # adjust sp 54 std %r0,mc_off+1*8(%r11) # adjust sp
55 ld %r3,SF_PARAM+8(%r1) # load ucp 55 ld %r3,SF_PARAM+8(%r1) # load ucp
56 bl PIC_PLT(_C_LABEL(setcontext)) # setcontext(ucp) 56 bl PIC_PLT(_C_LABEL(setcontext)) # setcontext(ucp)