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| author | Ulrich Drepper <drepper@gmail.com> | 2011-05-27 16:09:52 -0400 |
|---|---|---|
| committer | Ulrich Drepper <drepper@gmail.com> | 2011-05-27 16:09:52 -0400 |
| commit | a8509ca540427502bd955f35296ff7b727c7a8a1 (patch) | |
| tree | 964578fc90ec1cdd1b6af5b04dc0a4dd12fa266e /sysdeps/unix/sysv/linux/x86_64/sched_getcpu.S | |
| parent | fdc2fefe46db79f0a19f690531cd775fbbc2740f (diff) | |
| download | glibc-a8509ca540427502bd955f35296ff7b727c7a8a1.tar glibc-a8509ca540427502bd955f35296ff7b727c7a8a1.tar.gz glibc-a8509ca540427502bd955f35296ff7b727c7a8a1.tar.bz2 glibc-a8509ca540427502bd955f35296ff7b727c7a8a1.zip | |
Use getcpu definition from vDSO on x86-64
Diffstat (limited to 'sysdeps/unix/sysv/linux/x86_64/sched_getcpu.S')
| -rw-r--r-- | sysdeps/unix/sysv/linux/x86_64/sched_getcpu.S | 7 |
1 files changed, 6 insertions, 1 deletions
diff --git a/sysdeps/unix/sysv/linux/x86_64/sched_getcpu.S b/sysdeps/unix/sysv/linux/x86_64/sched_getcpu.S index a950990627..8ec7d3fcd2 100644 --- a/sysdeps/unix/sysv/linux/x86_64/sched_getcpu.S +++ b/sysdeps/unix/sysv/linux/x86_64/sched_getcpu.S @@ -1,4 +1,4 @@ -/* Copyright (C) 2007 Free Software Foundation, Inc. +/* Copyright (C) 2007, 2011 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 @@ -35,7 +35,12 @@ ENTRY (sched_getcpu) movl $VGETCPU_CACHE_OFFSET, %edx addq %fs:0, %rdx +#ifdef SHARED + movq __vdso_getcpu(%rip), %rax + PTR_DEMANGLE (%rax) +#else movq $VSYSCALL_ADDR_vgetcpu, %rax +#endif callq *%rax cmpq $-4095, %rax |