diff options
| author | Marcus Brinkmann <marcus@gnu.org> | 2004-03-18 02:44:20 +0000 |
|---|---|---|
| committer | Thomas Schwinge <tschwinge@gnu.org> | 2009-04-06 22:16:47 +0200 |
| commit | 87bbfdf3b5718544942498f0d980e13a0f4110da (patch) | |
| tree | e9693b1d7ee1054b965068fed171be6f1aa0822e /sysdeps/powerpc/machine-sp.h | |
| parent | 01d0d4c7d07b28326d2de95dd9000f876f661707 (diff) | |
2004-03-17 Marcus Brinkmann <marcus@gnu.org>
* libpthread: New directory, populated with Neal H. Walfields
pthread implementation.
Diffstat (limited to 'sysdeps/powerpc/machine-sp.h')
| -rw-r--r-- | sysdeps/powerpc/machine-sp.h | 31 |
1 files changed, 31 insertions, 0 deletions
diff --git a/sysdeps/powerpc/machine-sp.h b/sysdeps/powerpc/machine-sp.h new file mode 100644 index 00000000..aa787c59 --- /dev/null +++ b/sysdeps/powerpc/machine-sp.h @@ -0,0 +1,31 @@ +/* Machine-specific function to return the stack pointer. i386 version. + Copyright (C) 1994,97,2001 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, write to the Free + Software Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA + 02111-1307 USA. */ + +#ifndef _MACHINE_SP_H +#define _MACHINE_SP_H + +/* Return the current stack pointer. */ + +#define __thread_stack_pointer() ({ \ + void *__sp__; \ + __asm__ ("mr %0, 1" : "=r" (__sp__)); \ + __sp__; \ +}) + +#endif /* machine-sp.h */ |