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.

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 */