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| author | Paul Pluzhnikov <ppluzhnikov@google.com> | 2012-05-02 13:58:40 -0700 |
|---|---|---|
| committer | Paul Pluzhnikov <ppluzhnikov@google.com> | 2012-05-02 13:58:40 -0700 |
| commit | b93d565a5117afc5dde458438d5d16621b9c4dd4 (patch) | |
| tree | be796188dda31c1aadd08d24d5f254155e7e127e /nptl/sysdeps/x86_64 | |
| parent | 0be196addae0e464aa32fcccc9d679c2f83f01b4 (diff) | |
| download | glibc-b93d565a5117afc5dde458438d5d16621b9c4dd4.tar.gz | |
Avoid "anonymous" code in pthread_spin_lock.
Diffstat (limited to 'nptl/sysdeps/x86_64')
| -rw-r--r-- | nptl/sysdeps/x86_64/pthread_spin_lock.S | 36 | ||||
| -rw-r--r-- | nptl/sysdeps/x86_64/pthread_spin_lock.c | 1 |
2 files changed, 36 insertions, 1 deletions
diff --git a/nptl/sysdeps/x86_64/pthread_spin_lock.S b/nptl/sysdeps/x86_64/pthread_spin_lock.S new file mode 100644 index 0000000000..5e3431c903 --- /dev/null +++ b/nptl/sysdeps/x86_64/pthread_spin_lock.S @@ -0,0 +1,36 @@ +/* Copyright (C) 2012 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 + modify it under the terms of the GNU Lesser General Public + License as published by the Free Software Foundation; either + version 2.1 of the License, or (at your option) any later version. + + The GNU C Library is distributed in the hope that it will be useful, + but WITHOUT ANY WARRANTY; without even the implied warranty of + MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU + Lesser General Public License for more details. + + You should have received a copy of the GNU Lesser General Public + License along with the GNU C Library; if not, see + <http://www.gnu.org/licenses/>. */ + +#include <lowlevellock.h> + + .globl pthread_spin_lock + .type pthread_spin_lock,@function + .align 16 +pthread_spin_lock: +1: LOCK + decl 0(%rdi) + jne 2f + xor %eax, %eax + ret + + .align 16 +2: rep + nop + cmpl $0, 0(%rdi) + jg 1b + jmp 2b + .size pthread_spin_lock,.-pthread_spin_lock diff --git a/nptl/sysdeps/x86_64/pthread_spin_lock.c b/nptl/sysdeps/x86_64/pthread_spin_lock.c deleted file mode 100644 index 7cf0e0ecce..0000000000 --- a/nptl/sysdeps/x86_64/pthread_spin_lock.c +++ /dev/null @@ -1 +0,0 @@ -#include "../i386/pthread_spin_lock.c" |