diff options
Diffstat (limited to 'lib/libc/arch/alpha/SYS.h')
| -rw-r--r-- | lib/libc/arch/alpha/SYS.h | 58 |
1 files changed, 37 insertions, 21 deletions
diff --git a/lib/libc/arch/alpha/SYS.h b/lib/libc/arch/alpha/SYS.h index 1888758f337..d3c79a55ec9 100644 --- a/lib/libc/arch/alpha/SYS.h +++ b/lib/libc/arch/alpha/SYS.h @@ -1,4 +1,5 @@ -/* $OpenBSD: SYS.h,v 1.2 1996/08/19 08:10:16 tholo Exp $ */ +/* $OpenBSD: SYS.h,v 1.3 1996/11/13 20:46:47 niklas Exp $ */ +/* $NetBSD: SYS.h,v 1.4 1996/10/17 03:03:53 cgd Exp $ */ /* * Copyright (c) 1994, 1995 Carnegie-Mellon University. @@ -30,24 +31,39 @@ #include <machine/asm.h> #include <sys/syscall.h> -#define CALLSYS(num) \ - CONST(num, v0); \ - call_pal 0x83; /* op_callsys */ - -#define SYSCALL_NOLABEL(x) \ - CALLSYS(SYS_/**/x); \ - beq a3, 9f; \ - br gp, 8f; \ -8: SETGP(gp); \ - lda at_reg, cerror; \ - jmp zero, (at_reg); \ -9: - -#define SYSCALL(x) LEAF(x, 0 /* XXX */); SYSCALL_NOLABEL(x); -#define RSYSCALL(x) SYSCALL(x); RET; END(x); - -#define PSEUDO(x,y) \ -LEAF(x,0); /* unknown # of args */ \ - CALLSYS(SYS_/**/y); \ + +#define CALLSYS_ERROR(name) \ + CALLSYS_NOERROR(name); \ + br gp, LLABEL(name,0); \ +LLABEL(name,0): \ + LDGP(gp); \ + beq a3, LLABEL(name,1); \ + jmp zero, cerror; \ +LLABEL(name,1): + + +#define SYSCALL(name) \ +LEAF(name,0); /* XXX # of args? */ \ + CALLSYS_ERROR(name) + +#define SYSCALL_NOERROR(name) \ +LEAF(name,0); /* XXX # of args? */ \ + CALLSYS_NOERROR(name) + + +#define RSYSCALL(name) \ + SYSCALL(name); \ + RET; \ +END(name) + +#define RSYSCALL_NOERROR(name) \ + SYSCALL_NOERROR(name); \ + RET; \ +END(name) + + +#define PSEUDO(label,name) \ +LEAF(label,0); /* XXX # of args? */ \ + CALLSYS_NOERROR(name); \ RET; \ -END(x); +END(label); |