mirror of
https://github.com/crosstool-ng/crosstool-ng.git
synced 2024-12-29 09:08:52 +00:00
1906cf93f8
You might just say: 'Yeah! crosstool-NG's got its own repo!". Unfortunately, that's because the previous repo got damaged beyond repair and I had no backup. That means I'm putting backups in place in the afternoon. That also means we've lost history... :-(
55 lines
1.9 KiB
Diff
55 lines
1.9 KiB
Diff
See also
|
|
http://lists.gnu.org/archive/html/bug-glibc/2002-12/msg00056.html
|
|
http://lists.arm.linux.org.uk/pipermail/linux-arm-toolchain/2004-June/000016.html
|
|
|
|
2002-12-12 Andreas Schwab <schwab@suse.de>
|
|
* sysdeps/arm/strlen.S: Fix last word check for big endian.
|
|
|
|
To: libc-alpha at sources dot redhat dot com
|
|
Subject: [PATCH] REPOST: ARM big-endian strlen() fix
|
|
References: <m3brjy27mo.fsf@defiant.pm.waw.pl>
|
|
From: Krzysztof Halasa <khc at pm dot waw dot pl>
|
|
Date: Thu, 10 Jun 2004 13:41:44 +0200
|
|
Message-ID: <m3r7sn8wsn.fsf@defiant.pm.waw.pl>
|
|
MIME-Version: 1.0
|
|
Content-Type: multipart/mixed; boundary="=-=-="
|
|
|
|
--=-=-=
|
|
|
|
The attached patch fixes strlen() on big-endian ARM. Please apply.
|
|
Thanks.
|
|
--
|
|
Krzysztof Halasa, B*FH
|
|
|
|
--=-=-=
|
|
Content-Type: text/x-patch
|
|
Content-Disposition: inline; filename=glibc-strlen.patch
|
|
|
|
--- glibc-2.3.3.old/sysdeps/arm/strlen.S 2003-04-30 00:47:20.000000000 +0200
|
|
+++ glibc-2.3.3/sysdeps/arm/strlen.S 2004-06-06 03:21:48.351931240 +0200
|
|
@@ -53,12 +53,21 @@
|
|
ldrne r2, [r1], $4 @ and we continue to the next word
|
|
bne Laligned @
|
|
Llastword: @ drop through to here once we find a
|
|
+#ifdef __ARMEB__
|
|
+ tst r2, $0xff000000 @ word that has a zero byte in it
|
|
+ addne r0, r0, $1 @
|
|
+ tstne r2, $0x00ff0000 @ and add up to 3 bytes on to it
|
|
+ addne r0, r0, $1 @
|
|
+ tstne r2, $0x0000ff00 @ (if first three all non-zero, 4th
|
|
+ addne r0, r0, $1 @ must be zero)
|
|
+#else
|
|
tst r2, $0x000000ff @ word that has a zero byte in it
|
|
addne r0, r0, $1 @
|
|
tstne r2, $0x0000ff00 @ and add up to 3 bytes on to it
|
|
addne r0, r0, $1 @
|
|
tstne r2, $0x00ff0000 @ (if first three all non-zero, 4th
|
|
addne r0, r0, $1 @ must be zero)
|
|
+#endif
|
|
RETINSTR(mov,pc,lr)
|
|
END(strlen)
|
|
libc_hidden_builtin_def (strlen)
|
|
|
|
--=-=-=--
|
|
|