libpthread/nptl: core of the "Native Posix Threading Library" for uClibc

targetting arm,sh,i386,mips,sparc for now

Signed-off-by: Austin Foxley <austinf@cetoncorp.com>

1 files changed, 63 insertions, 0 deletions

diff --git a/libpthread/nptl/sysdeps/unix/sysdep.h b/libpthread/nptl/sysdeps/unix/sysdep.h
new file mode 100644
index 000000000..0e7c9da5a
--- /dev/null
+++ b/libpthread/nptl/sysdeps/unix/sysdep.h
@@ -0,0 +1,63 @@
+/* Copyright (C) 1991, 92, 93, 96, 98, 2003 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.  */
+
+#include <sysdeps/generic/sysdep.h>
+
+#include <sys/syscall.h>
+#define	HAVE_SYSCALLS
+
+/* Note that using a `PASTE' macro loses.  */
+#ifdef	__STDC__
+#define	SYSCALL__(name, args)	PSEUDO (__##name, name, args)
+#else
+#define	SYSCALL__(name, args)	PSEUDO (__/**/name, name, args)
+#endif
+#define	SYSCALL(name, args)	PSEUDO (name, name, args)
+
+/* Machine-dependent sysdep.h files are expected to define the macro
+   PSEUDO (function_name, syscall_name) to emit assembly code to define the
+   C-callable function FUNCTION_NAME to do system call SYSCALL_NAME.
+   r0 and r1 are the system call outputs.  MOVE(x, y) should be defined as
+   an instruction such that "MOVE(r1, r0)" works.  ret should be defined
+   as the return instruction.  */
+
+#ifndef SYS_ify
+#ifdef __STDC__
+#define SYS_ify(syscall_name) SYS_##syscall_name
+#else
+#define SYS_ify(syscall_name) SYS_/**/syscall_name
+#endif
+#endif
+
+/* Terminate a system call named SYM.  This is used on some platforms
+   to generate correct debugging information.  */
+#ifndef PSEUDO_END
+#define PSEUDO_END(sym)
+#endif
+#ifndef PSEUDO_END_NOERRNO
+#define PSEUDO_END_NOERRNO(sym)	PSEUDO_END(sym)
+#endif
+#ifndef PSEUDO_END_ERRVAL
+#define PSEUDO_END_ERRVAL(sym)	PSEUDO_END(sym)
+#endif
+
+/* Wrappers around system calls should normally inline the system call code.
+   But sometimes it is not possible or implemented and we use this code.  */
+#ifndef INLINE_SYSCALL
+#define INLINE_SYSCALL(name, nr, args...) __syscall_##name (args)
+#endif