diff options
Diffstat (limited to 'patches/glibc/2.3.2/glibc-2.3.2-arm-fix-strlen.patch')
| -rw-r--r-- | patches/glibc/2.3.2/glibc-2.3.2-arm-fix-strlen.patch | 54 |
1 files changed, 54 insertions, 0 deletions
diff --git a/patches/glibc/2.3.2/glibc-2.3.2-arm-fix-strlen.patch b/patches/glibc/2.3.2/glibc-2.3.2-arm-fix-strlen.patch new file mode 100644 index 0000000..03e5c5b --- /dev/null +++ b/patches/glibc/2.3.2/glibc-2.3.2-arm-fix-strlen.patch @@ -0,0 +1,54 @@ +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) + +--=-=-=-- + |