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/* ==== syscall.S ============================================================
* Copyright (c) 1994 Chris Provenzano, proven@mit.edu
* All rights reserved.
*
*/
#ifndef lint
.text
.asciz "$Id$";
#endif
#define _ASM
#include <sys/syscall.h>
/*
* Initial asm stuff for all functions.
*/
.text
.align 4
/* ==========================================================================
* error code for all syscalls. The error value is returned as the negative
* of the errno value.
*/
1:
sub %r0, %o0, %o0
2:
retl
nop
#define concat2(a,b) a ## b
#define concat(a,b) concat2(a,b)
#define SYSval concat(SYS_,SYSCALL_NAME)
#define procname concat(machdep_sys_,SYSCALL_NAME)
.globl procname
procname:
mov SYSval, %g1
ta 0
bcs,a 2b
sub %r0,%o0,%o0
retl
nop
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