diff options
| author | Roland McGrath <roland@gnu.org> | 2001-10-29 04:39:05 +0000 |
|---|---|---|
| committer | Roland McGrath <roland@gnu.org> | 2001-10-29 04:39:05 +0000 |
| commit | d3b82fcc5f62ca7f0e462a0765689c368dfc6b90 (patch) | |
| tree | 4a7d649afbb31e8ac954a9204e97ee2879b45531 /sysdeps/mach/powerpc/machine-sp.h | |
| parent | ab0a3efc49493924133e9daf038d877598e03668 (diff) | |
| download | glibc-d3b82fcc5f62ca7f0e462a0765689c368dfc6b90.tar.gz glibc-d3b82fcc5f62ca7f0e462a0765689c368dfc6b90.tar.xz glibc-d3b82fcc5f62ca7f0e462a0765689c368dfc6b90.zip | |
Support for Mach/PowerPC contributed by Peter Bruin <pjbruin@dds.nl>.
* sysdeps/mach/powerpc/machine-sp.h: New file. * sysdeps/mach/powerpc/sysdep.h: New file. * sysdeps/mach/powerpc/thread_state.h: New file. * sysdeps/mach/hurd/i386/Makefile: File removed; crt0.o rules moved ... * sysdeps/mach/hurd/Makefile: ... to here. For the time being, we can expect to need the same thing on every platform. * sysdeps/unix/sysv/linux/powerpc/sys/ucontext.h: File moved ... * sysdeps/generic/sys/ucontext.h: ... to replace this one.
Diffstat (limited to 'sysdeps/mach/powerpc/machine-sp.h')
| -rw-r--r-- | sysdeps/mach/powerpc/machine-sp.h | 42 |
1 files changed, 42 insertions, 0 deletions
diff --git a/sysdeps/mach/powerpc/machine-sp.h b/sysdeps/mach/powerpc/machine-sp.h new file mode 100644 index 0000000000..949ccf1189 --- /dev/null +++ b/sysdeps/mach/powerpc/machine-sp.h @@ -0,0 +1,42 @@ +/* Machine-specific function to return the stack pointer. PowerPC version. + Copyright (C) 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 Library General Public License as + published by the Free Software Foundation; either version 2 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 + Library General Public License for more details. + + You should have received a copy of the GNU Library General Public + License along with the GNU C Library; see the file COPYING.LIB. 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. */ + +#ifndef _EXTERN_INLINE +/* Make sure this function is included in hurd/threadvar-inlines.c. */ +# ifdef _HURD_THREADVAR_H_EXTERN_INLINE +# define _EXTERN_INLINE _HURD_THREADVAR_H_EXTERN_INLINE +# else +# define _EXTERN_INLINE extern __inline +# endif +#endif + +_EXTERN_INLINE void * +__thread_stack_pointer (void) +{ + register void *__sp__; + __asm__ ("mr %0, 1" : "=r" (__sp__)); + return __sp__; +} + +#endif /* machine-sp.h */ |