initial import

1 files changed, 59 insertions, 0 deletions

diff --git a/sysdeps/unix/sysdep.h b/sysdeps/unix/sysdep.h
new file mode 100644
index 0000000000..07c539b78a
--- /dev/null
+++ b/sysdeps/unix/sysdep.h
@@ -0,0 +1,59 @@
+/* Copyright (C) 1991, 1992, 1993 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., 675 Mass Ave,
+Cambridge, MA 02139, USA.  */
+
+#include <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.  */
+
+/* Define a macro we can use to construct the asm name for a C symbol.  */
+#ifdef	NO_UNDERSCORES
+#define	C_SYMBOL_NAME(name)	name
+#ifdef	__STDC__
+#define C_LABEL(name)		name##:
+#else
+#define C_LABEL(name)		name/**/:
+#endif
+#else
+#ifdef	__STDC__
+#define	C_SYMBOL_NAME(name)	_##name
+#define C_LABEL(name)		_##name##:
+#else
+#define	C_SYMBOL_NAME(name)	_/**/name
+#define C_LABEL(name)		_/**/name/**/:
+#endif
+#endif
+
+#ifdef __STDC__
+#define SYS_ify(syscall_name) SYS_##syscall_name
+#else
+#define SYS_ify(syscall_name) SYS_/**/syscall_name
+#endif