diff options
Diffstat (limited to 'lib/libc/powerpc64/SYS.h')
| -rw-r--r-- | lib/libc/powerpc64/SYS.h | 99 |
1 files changed, 99 insertions, 0 deletions
diff --git a/lib/libc/powerpc64/SYS.h b/lib/libc/powerpc64/SYS.h new file mode 100644 index 0000000..a361767 --- /dev/null +++ b/lib/libc/powerpc64/SYS.h @@ -0,0 +1,99 @@ +/*- + * Copyright (c) 2002 Benno Rice. All rights reserved. + * Copyright (c) 2002 David E. O'Brien. All rights reserved. + * + * Redistribution and use in source and binary forms, with or without + * modification, are permitted provided that the following conditions + * are met: + * 1. Redistributions of source code must retain the above copyright + * notice, this list of conditions and the following disclaimer. + * 2. Redistributions in binary form must reproduce the above copyright + * notice, this list of conditions and the following disclaimer in the + * documentation and/or other materials provided with the distribution. + * 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 + * without specific prior written permission. + * + * THIS SOFTWARE IS PROVIDED BY THE AUTHOR AND CONTRIBUTORS ``AS IS'' AND + * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE + * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE + * ARE DISCLAIMED. IN NO EVENT SHALL THE REGENTS OR CONTRIBUTORS BE LIABLE + * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL + * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS + * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) + * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT + * 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 + * SUCH DAMAGE. + * + * $NetBSD: SYS.h,v 1.8 2002/01/14 00:55:56 thorpej Exp $ + * $FreeBSD$ + */ + +#include <sys/syscall.h> +#include <machine/asm.h> + +#define _SYSCALL(x) \ + .text; \ + .align 2; \ + li 0,(__CONCAT(SYS_,x)); \ + sc + +#define SYSCALL(x) \ + .text; \ + .align 2; \ +2: mflr %r0; \ + std %r0,16(%r1); \ + stdu %r1,-48(%r1); \ + bl CNAME(HIDENAME(cerror)); \ + nop; \ + addi %r1,%r1,48; \ + ld %r0,16(%r1); \ + mtlr %r0; \ + blr; \ +ENTRY(__CONCAT(__sys_,x)); \ + .weak CNAME(x); \ + .set CNAME(x),CNAME(__CONCAT(__sys_,x)); \ + .weak CNAME(__CONCAT(_,x)); \ + .set CNAME(__CONCAT(_,x)),CNAME(__CONCAT(__sys_,x)); \ + _SYSCALL(x); \ + bso 2b + +#define PSEUDO(x) \ + .text; \ + .align 2; \ +ENTRY(__CONCAT(__sys_,x)); \ + .weak CNAME(__CONCAT(_,x)); \ + .set CNAME(__CONCAT(_,x)),CNAME(__CONCAT(__sys_,x)); \ + _SYSCALL(x); \ + bnslr; \ + mflr %r0; \ + std %r0,16(%r1); \ + stdu %r1,-48(%r1); \ + bl CNAME(HIDENAME(cerror)); \ + nop; \ + addi %r1,%r1,48; \ + ld %r0,16(%r1); \ + mtlr %r0; \ + blr; + +#define RSYSCALL(x) \ + .text; \ + .align 2; \ +ENTRY(__CONCAT(__sys_,x)); \ + .weak CNAME(x); \ + .set CNAME(x),CNAME(__CONCAT(__sys_,x)); \ + .weak CNAME(__CONCAT(_,x)); \ + .set CNAME(__CONCAT(_,x)),CNAME(__CONCAT(__sys_,x)); \ + _SYSCALL(x); \ + bnslr; \ + \ + mflr %r0; \ + std %r0,16(%r1); \ + stdu %r1,-48(%r1); \ + bl CNAME(HIDENAME(cerror)); \ + nop; \ + addi %r1,%r1,48; \ + ld %r0,16(%r1); \ + mtlr %r0; \ + blr; |
