Lionel Sambuc 0a6a1f1d05 NetBSD re-synchronization of the source tree
This brings our tree to NetBSD 7.0, as found on -current on the
10-10-2015.

This updates:
 - LLVM to 3.6.1
 - GCC to GCC 5.1
 - Replace minix/commands/zdump with usr.bin/zdump
 - external/bsd/libelf has moved to /external/bsd/elftoolchain/
 - Import ctwm
 - Drop sprintf from libminc

Change-Id: I149836ac18e9326be9353958bab9b266efb056f0
2016-01-13 20:32:14 +01:00

41 lines
871 B
C

/* $NetBSD: SYS.h,v 1.13 2014/08/23 02:24:22 matt Exp $ */
#include <machine/asm.h>
#include <sys/syscall.h>
#define BRANCH_TO_CERROR() b _C_LABEL(__cerror)
#define _DOSYSCALL(x) li %r0,(SYS_ ## x) ;\
sc
#define _SYSCALL_NOERROR(x,y) .text ;\
.p2align 2 ;\
ENTRY(x) ;\
_DOSYSCALL(y)
#define _SYSCALL(x,y) .text ;\
.p2align 2 ;\
2: BRANCH_TO_CERROR() ;\
_SYSCALL_NOERROR(x,y) ;\
bso 2b
#define SYSCALL_NOERROR(x) _SYSCALL_NOERROR(x,x)
#define SYSCALL(x) _SYSCALL(x,x)
#define PSEUDO_NOERROR(x,y) _SYSCALL_NOERROR(x,y) ;\
blr ;\
END(x)
#define PSEUDO(x,y) _SYSCALL_NOERROR(x,y) ;\
bnslr ;\
BRANCH_TO_CERROR() ;\
END(x)
#define RSYSCALL_NOERROR(x) PSEUDO_NOERROR(x,x)
#define RSYSCALL(x) PSEUDO(x,x)
#define WSYSCALL(weak,strong) WEAK_ALIAS(weak,strong) ;\
PSEUDO(strong,weak)