xref: /freebsd/lib/libsys/amd64/SYS.h (revision f21777224411fee14b8aea6d8465bd6c2b318429)
18269e767SBrooks Davis /*-
28269e767SBrooks Davis  * SPDX-License-Identifier: BSD-3-Clause
38269e767SBrooks Davis  *
48269e767SBrooks Davis  * Copyright (c) 1990 The Regents of the University of California.
58269e767SBrooks Davis  * All rights reserved.
68269e767SBrooks Davis  *
78269e767SBrooks Davis  * This code is derived from software contributed to Berkeley by
88269e767SBrooks Davis  * William Jolitz.
98269e767SBrooks Davis  *
108269e767SBrooks Davis  * Redistribution and use in source and binary forms, with or without
118269e767SBrooks Davis  * modification, are permitted provided that the following conditions
128269e767SBrooks Davis  * are met:
138269e767SBrooks Davis  * 1. Redistributions of source code must retain the above copyright
148269e767SBrooks Davis  *    notice, this list of conditions and the following disclaimer.
158269e767SBrooks Davis  * 2. Redistributions in binary form must reproduce the above copyright
168269e767SBrooks Davis  *    notice, this list of conditions and the following disclaimer in the
178269e767SBrooks Davis  *    documentation and/or other materials provided with the distribution.
188269e767SBrooks Davis  * 3. Neither the name of the University nor the names of its contributors
198269e767SBrooks Davis  *    may be used to endorse or promote products derived from this software
208269e767SBrooks Davis  *    without specific prior written permission.
218269e767SBrooks Davis  *
228269e767SBrooks Davis  * THIS SOFTWARE IS PROVIDED BY THE REGENTS AND CONTRIBUTORS ``AS IS'' AND
238269e767SBrooks Davis  * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
248269e767SBrooks Davis  * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
258269e767SBrooks Davis  * ARE DISCLAIMED.  IN NO EVENT SHALL THE REGENTS OR CONTRIBUTORS BE LIABLE
268269e767SBrooks Davis  * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
278269e767SBrooks Davis  * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
288269e767SBrooks Davis  * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
298269e767SBrooks Davis  * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
308269e767SBrooks Davis  * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
318269e767SBrooks Davis  * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
328269e767SBrooks Davis  * SUCH DAMAGE.
338269e767SBrooks Davis  */
348269e767SBrooks Davis 
358269e767SBrooks Davis #include <sys/syscall.h>
368269e767SBrooks Davis #include <machine/asm.h>
378269e767SBrooks Davis 
388269e767SBrooks Davis #define	_SYSCALL(name)							\
398269e767SBrooks Davis 			mov $SYS_##name, %eax;				\
408269e767SBrooks Davis 			movq %rcx, %r10;				\
418269e767SBrooks Davis 			syscall
428269e767SBrooks Davis 
43*f2177722SBrooks Davis #ifndef _SYSCALL_BODY
448269e767SBrooks Davis #define	_SYSCALL_BODY(name)						\
458269e767SBrooks Davis 			_SYSCALL(name);					\
468269e767SBrooks Davis 			jb HIDENAME(cerror);				\
478269e767SBrooks Davis 			ret
48*f2177722SBrooks Davis #endif
498269e767SBrooks Davis 
508269e767SBrooks Davis #define	RSYSCALL(name)	ENTRY(__sys_##name);				\
518269e767SBrooks Davis 			WEAK_REFERENCE(__sys_##name, name);		\
528269e767SBrooks Davis 			WEAK_REFERENCE(__sys_##name, _##name);		\
538269e767SBrooks Davis 			_SYSCALL_BODY(name);				\
548269e767SBrooks Davis 			END(__sys_##name)
558269e767SBrooks Davis 
568269e767SBrooks Davis #define	PSEUDO(name)	ENTRY(__sys_##name);				\
578269e767SBrooks Davis 			WEAK_REFERENCE(__sys_##name, _##name);		\
588269e767SBrooks Davis 			_SYSCALL_BODY(name);				\
598269e767SBrooks Davis 			END(__sys_##name)
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