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| author | Carmelo Amoroso <carmelo.amoroso@st.com> | 2009-09-10 18:14:22 +0200 |
|---|---|---|
| committer | Carmelo Amoroso <carmelo.amoroso@st.com> | 2009-10-10 08:01:04 +0200 |
| commit | defe0a2ced5d3234fb32ceba5fb8bc72f348b859 (patch) | |
| tree | 68f663199274c403dd85625268bcfa9beda23394 /libc | |
| parent | 897b7f7d2bfb31cb45cbde6ae2c72f09a5dcbaaf (diff) | |
| download | uClibc-alpine-defe0a2ced5d3234fb32ceba5fb8bc72f348b859.tar.bz2 uClibc-alpine-defe0a2ced5d3234fb32ceba5fb8bc72f348b859.tar.xz | |
sh: Align sh clone implementation with glibc
Align sh clone implementation with glibc one that incorporated
time ago a patch provided by me slightly modified.
The glibc code indeed avoids to load the r3 register if the 2nd
function argument is NULL (r5). No functional change.
Signed-off-by: Carmelo Amoroso <carmelo.amoroso@st.com>
Diffstat (limited to 'libc')
| -rw-r--r-- | libc/sysdeps/linux/sh/clone.S | 15 |
1 files changed, 7 insertions, 8 deletions
diff --git a/libc/sysdeps/linux/sh/clone.S b/libc/sysdeps/linux/sh/clone.S index 4d933a573..bb566276a 100644 --- a/libc/sysdeps/linux/sh/clone.S +++ b/libc/sysdeps/linux/sh/clone.S @@ -1,4 +1,4 @@ -/* Copyright (C) 1999, 2000, 2003, 2004 Free Software Foundation, Inc. +/* Copyright (C) 1999, 2000, 2003, 2004, 2007 Free Software Foundation, Inc. This file is part of the GNU C Library. The GNU C Library is free software; you can redistribute it and/or @@ -34,13 +34,12 @@ ENTRY(__clone) /* sanity check arguments. */ tst r4, r4 - bt 0f - tst r5, r5 - bf/s 1f - mov #+SYS_ify(clone), r3 -0: + bt/s 0f + tst r5, r5 + bf 1f +0: bra .Lsyscall_error - mov #-EINVAL,r0 + mov #-EINVAL,r0 1: /* insert the args onto the new stack */ mov.l r7, @-r5 @@ -52,6 +51,7 @@ ENTRY(__clone) mov.l @r15, r6 mov.l @(8,r15), r7 mov.l @(4,r15), r0 + mov #+SYS_ify(clone), r3 trapa #0x15 mov r0, r1 mov #-12, r2 @@ -129,7 +129,6 @@ ENTRY(__clone) .Ltidoff: .word TID - TLS_PRE_TCB_SIZE #endif - PSEUDO_END (__clone) weak_alias (__clone, clone) |