xref: /linux/arch/xtensa/include/asm/unistd.h (revision 83596729adbca4ff3b0273de22e166c64aea49ec)
1 /*
2  * include/asm-xtensa/unistd.h
3  *
4  * This file is subject to the terms and conditions of the GNU General Public
5  * License.  See the file "COPYING" in the main directory of this archive
6  * for more details.
7  *
8  * Copyright (C) 2001 - 2005 Tensilica Inc.
9  */
10 
11 #include <uapi/asm/unistd.h>
12 
13 
14 /*
15  * "Conditional" syscalls
16  *
17  * What we want is __attribute__((weak,alias("sys_ni_syscall"))),
18  * but it doesn't work on all toolchains, so we just do it by hand
19  */
20 #define cond_syscall(x) asm(".weak\t" #x "\n\t.set\t" #x ",sys_ni_syscall");
21 
22 #define __ARCH_WANT_STAT64
23 #define __ARCH_WANT_SYS_UTIME
24 #define __ARCH_WANT_SYS_LLSEEK
25 #define __ARCH_WANT_SYS_RT_SIGACTION
26 #define __ARCH_WANT_SYS_RT_SIGSUSPEND
27 #define __ARCH_WANT_SYS_GETPGRP
28 
29 /*
30  * Ignore legacy system calls in the checksyscalls.sh script
31  */
32 
33 #define __IGNORE_fork				/* use clone */
34 #define __IGNORE_time
35 #define __IGNORE_alarm				/* use setitimer */
36 #define __IGNORE_pause
37 #define __IGNORE_mmap				/* use mmap2 */
38 #define __IGNORE_vfork				/* use clone */
39 #define __IGNORE_fadvise64			/* use fadvise64_64 */
40