Differential D14609 Diff 48384 lib/libsys/powerpc/SYS.h

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lib/libsys/powerpc/SYS.h

This file was copied from lib/libc/i386/SYS.h.

	/*-			/*-
	* SPDX-License-Identifier: BSD-3-Clause			* SPDX-License-Identifier: BSD-3-Clause
	*			*
	* Copyright (c) 1990 The Regents of the University of California.			* Copyright (c) 2002 Benno Rice. All rights reserved.
	* All rights reserved.			* Copyright (c) 2002 David E. O'Brien. All rights reserved.
	*			*
	* This code is derived from software contributed to Berkeley by
	* William Jolitz.
	*
	* Redistribution and use in source and binary forms, with or without			* Redistribution and use in source and binary forms, with or without
	* modification, are permitted provided that the following conditions			* modification, are permitted provided that the following conditions
	* are met:			* are met:
	* 1. Redistributions of source code must retain the above copyright			* 1. Redistributions of source code must retain the above copyright
	* notice, this list of conditions and the following disclaimer.			* notice, this list of conditions and the following disclaimer.
	* 2. Redistributions in binary form must reproduce the above copyright			* 2. Redistributions in binary form must reproduce the above copyright
	* notice, this list of conditions and the following disclaimer in the			* notice, this list of conditions and the following disclaimer in the
	* documentation and/or other materials provided with the distribution.			* documentation and/or other materials provided with the distribution.
	* 3. Neither the name of the University nor the names of its contributors			* 3. Neither the name of the author nor the names of any contributors
	* may be used to endorse or promote products derived from this software			* may be used to endorse or promote products derived from this software
	* without specific prior written permission.			* without specific prior written permission.
	*			*
	* THIS SOFTWARE IS PROVIDED BY THE REGENTS AND CONTRIBUTORS ``AS IS'' AND			* THIS SOFTWARE IS PROVIDED BY THE AUTHOR AND CONTRIBUTORS ``AS IS'' AND
	* ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE			* ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
	* IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE			* IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
	* ARE DISCLAIMED. IN NO EVENT SHALL THE REGENTS OR CONTRIBUTORS BE LIABLE			* ARE DISCLAIMED. IN NO EVENT SHALL THE REGENTS OR CONTRIBUTORS BE LIABLE
	* FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL			* FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
	* DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS			* DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
	* OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)			* OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
	* HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT			* HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
	* LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY			* LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
	* OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF			* OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
	* SUCH DAMAGE.			* SUCH DAMAGE.
	*			*
	* @(#)SYS.h 5.5 (Berkeley) 5/7/91			* $NetBSD: SYS.h,v 1.8 2002/01/14 00:55:56 thorpej Exp $
	* $FreeBSD$			* $FreeBSD$
	*/			*/

	#include <sys/syscall.h>			#include <sys/syscall.h>
	#include <machine/asm.h>			#include <machine/asm.h>

	#define SYSCALL(name) ENTRY(__sys_##name); \			#define _SYSCALL(name) \
				.text; \
				.align 2; \
				li 0,(SYS_##name); \
				sc

				#define SYSCALL(name) \
				.text; \
				.align 2; \
				2: b PIC_PLT(CNAME(HIDENAME(cerror))); \
				ENTRY(__sys_##name); \
	WEAK_REFERENCE(__sys_##name, name); \			WEAK_REFERENCE(__sys_##name, name); \
	WEAK_REFERENCE(__sys_##name, _##name); \			WEAK_REFERENCE(__sys_##name, _##name); \
	mov $SYS_##name,%eax; KERNCALL; \			_SYSCALL(name); \
	jb HIDENAME(cerror)			bso 2b

	#define RSYSCALL(name) SYSCALL(name); ret; END(__sys_##name)			#define PSEUDO(name) \
				.text; \
	#define PSEUDO(name) ENTRY(__sys_##name); \			.align 2; \
				ENTRY(__sys_##name); \
	WEAK_REFERENCE(__sys_##name, _##name); \			WEAK_REFERENCE(__sys_##name, _##name); \
	mov $SYS_##name,%eax; KERNCALL; \			_SYSCALL(name); \
	jb HIDENAME(cerror); ret; \			bnslr; \
	END(__sys_##name)			b PIC_PLT(CNAME(HIDENAME(cerror)))

	/* gas messes up offset -- although we don't currently need it, do for BCS */			#define RSYSCALL(name) \
	#define LCALL(x,y) .byte 0x9a ; .long y; .word x			.text; \
				.align 2; \
	#define KERNCALL int $0x80			2: b PIC_PLT(CNAME(HIDENAME(cerror))); \
				ENTRY(__sys_##name); \
				WEAK_REFERENCE(__sys_##name, name); \
				WEAK_REFERENCE(__sys_##name, _##name); \
				_SYSCALL(name); \
				bnslr; \
				b PIC_PLT(CNAME(HIDENAME(cerror)))