SYS.h revision 218824
1209878Snwhitehorn/*- 2209878Snwhitehorn * Copyright (c) 2002 Benno Rice. All rights reserved. 3209878Snwhitehorn * Copyright (c) 2002 David E. O'Brien. All rights reserved. 4209878Snwhitehorn * 5209878Snwhitehorn * Redistribution and use in source and binary forms, with or without 6209878Snwhitehorn * modification, are permitted provided that the following conditions 7209878Snwhitehorn * are met: 8209878Snwhitehorn * 1. Redistributions of source code must retain the above copyright 9209878Snwhitehorn * notice, this list of conditions and the following disclaimer. 10209878Snwhitehorn * 2. Redistributions in binary form must reproduce the above copyright 11209878Snwhitehorn * notice, this list of conditions and the following disclaimer in the 12209878Snwhitehorn * documentation and/or other materials provided with the distribution. 13209878Snwhitehorn * 3. Neither the name of the author nor the names of any contributors 14209878Snwhitehorn * may be used to endorse or promote products derived from this software 15209878Snwhitehorn * without specific prior written permission. 16209878Snwhitehorn * 17209878Snwhitehorn * THIS SOFTWARE IS PROVIDED BY THE AUTHOR AND CONTRIBUTORS ``AS IS'' AND 18209878Snwhitehorn * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE 19209878Snwhitehorn * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE 20209878Snwhitehorn * ARE DISCLAIMED. IN NO EVENT SHALL THE REGENTS OR CONTRIBUTORS BE LIABLE 21209878Snwhitehorn * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL 22209878Snwhitehorn * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS 23209878Snwhitehorn * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) 24209878Snwhitehorn * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT 25209878Snwhitehorn * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY 26209878Snwhitehorn * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF 27209878Snwhitehorn * SUCH DAMAGE. 28209878Snwhitehorn * 29209878Snwhitehorn * $NetBSD: SYS.h,v 1.8 2002/01/14 00:55:56 thorpej Exp $ 30209878Snwhitehorn * $FreeBSD: head/lib/libc/powerpc64/SYS.h 218824 2011-02-18 21:44:53Z nwhitehorn $ 31209878Snwhitehorn */ 32209878Snwhitehorn 33209878Snwhitehorn#include <sys/syscall.h> 34209878Snwhitehorn#include <machine/asm.h> 35209878Snwhitehorn 36209878Snwhitehorn#define _SYSCALL(x) \ 37209878Snwhitehorn .text; \ 38209878Snwhitehorn .align 2; \ 39209878Snwhitehorn li 0,(__CONCAT(SYS_,x)); \ 40209878Snwhitehorn sc 41209878Snwhitehorn 42209878Snwhitehorn#define SYSCALL(x) \ 43209878Snwhitehorn .text; \ 44209878Snwhitehorn .align 2; \ 45209878Snwhitehorn2: mflr %r0; \ 46209878Snwhitehorn std %r0,16(%r1); \ 47209878Snwhitehorn stdu %r1,-48(%r1); \ 48218824Snwhitehorn bl CNAME(HIDENAME(cerror)); \ 49209878Snwhitehorn nop; \ 50209878Snwhitehorn addi %r1,%r1,48; \ 51209878Snwhitehorn ld %r0,16(%r1); \ 52209878Snwhitehorn mtlr %r0; \ 53209878Snwhitehorn blr; \ 54209878SnwhitehornENTRY(__CONCAT(__sys_,x)); \ 55209878Snwhitehorn .weak CNAME(x); \ 56209878Snwhitehorn .set CNAME(x),CNAME(__CONCAT(__sys_,x)); \ 57209878Snwhitehorn .weak CNAME(__CONCAT(_,x)); \ 58209878Snwhitehorn .set CNAME(__CONCAT(_,x)),CNAME(__CONCAT(__sys_,x)); \ 59209878Snwhitehorn _SYSCALL(x); \ 60209878Snwhitehorn bso 2b 61209878Snwhitehorn 62209878Snwhitehorn#define PSEUDO(x) \ 63209878Snwhitehorn .text; \ 64209878Snwhitehorn .align 2; \ 65209878SnwhitehornENTRY(__CONCAT(__sys_,x)); \ 66209878Snwhitehorn .weak CNAME(__CONCAT(_,x)); \ 67209878Snwhitehorn .set CNAME(__CONCAT(_,x)),CNAME(__CONCAT(__sys_,x)); \ 68209878Snwhitehorn _SYSCALL(x); \ 69209878Snwhitehorn bnslr; \ 70209878Snwhitehorn mflr %r0; \ 71209878Snwhitehorn std %r0,16(%r1); \ 72209878Snwhitehorn stdu %r1,-48(%r1); \ 73218824Snwhitehorn bl CNAME(HIDENAME(cerror)); \ 74209878Snwhitehorn nop; \ 75209878Snwhitehorn addi %r1,%r1,48; \ 76209878Snwhitehorn ld %r0,16(%r1); \ 77209878Snwhitehorn mtlr %r0; \ 78209878Snwhitehorn blr; 79209878Snwhitehorn 80209878Snwhitehorn#define RSYSCALL(x) \ 81209878Snwhitehorn .text; \ 82209878Snwhitehorn .align 2; \ 83209878SnwhitehornENTRY(__CONCAT(__sys_,x)); \ 84209878Snwhitehorn .weak CNAME(x); \ 85209878Snwhitehorn .set CNAME(x),CNAME(__CONCAT(__sys_,x)); \ 86209878Snwhitehorn .weak CNAME(__CONCAT(_,x)); \ 87209878Snwhitehorn .set CNAME(__CONCAT(_,x)),CNAME(__CONCAT(__sys_,x)); \ 88209878Snwhitehorn _SYSCALL(x); \ 89209878Snwhitehorn bnslr; \ 90209878Snwhitehorn \ 91209878Snwhitehorn mflr %r0; \ 92209878Snwhitehorn std %r0,16(%r1); \ 93209878Snwhitehorn stdu %r1,-48(%r1); \ 94218824Snwhitehorn bl CNAME(HIDENAME(cerror)); \ 95209878Snwhitehorn nop; \ 96209878Snwhitehorn addi %r1,%r1,48; \ 97209878Snwhitehorn ld %r0,16(%r1); \ 98209878Snwhitehorn mtlr %r0; \ 99209878Snwhitehorn blr; 100