Merge branch 'master' into upstream

[linux-2.6] / include / asm-avr32 / unistd.h

/*
 * Copyright (C) 2004-2006 Atmel Corporation
 *
 * This program is free software; you can redistribute it and/or modify
 * it under the terms of the GNU General Public License version 2 as
 * published by the Free Software Foundation.
 */
#ifndef __ASM_AVR32_UNISTD_H
#define __ASM_AVR32_UNISTD_H

/*
 * This file contains the system call numbers.
 */

#define __NR_restart_syscall      0
#define __NR_exit                 1
#define __NR_fork                 2
#define __NR_read                 3
#define __NR_write                4
#define __NR_open                 5
#define __NR_close                6
#define __NR_umask                7
#define __NR_creat                8
#define __NR_link                 9
#define __NR_unlink              10
#define __NR_execve              11
#define __NR_chdir               12
#define __NR_time                13
#define __NR_mknod               14
#define __NR_chmod               15
#define __NR_chown               16
#define __NR_lchown              17
#define __NR_lseek               18
#define __NR__llseek             19
#define __NR_getpid              20
#define __NR_mount               21
#define __NR_umount2             22
#define __NR_setuid              23
#define __NR_getuid              24
#define __NR_stime               25
#define __NR_ptrace              26
#define __NR_alarm               27
#define __NR_pause               28
#define __NR_utime               29
#define __NR_stat                30
#define __NR_fstat               31
#define __NR_lstat               32
#define __NR_access              33
#define __NR_chroot              34
#define __NR_sync                35
#define __NR_fsync               36
#define __NR_kill                37
#define __NR_rename              38
#define __NR_mkdir               39
#define __NR_rmdir               40
#define __NR_dup                 41
#define __NR_pipe                42
#define __NR_times               43
#define __NR_clone               44
#define __NR_brk                 45
#define __NR_setgid              46
#define __NR_getgid              47
#define __NR_getcwd              48
#define __NR_geteuid             49
#define __NR_getegid             50
#define __NR_acct                51
#define __NR_setfsuid            52
#define __NR_setfsgid            53
#define __NR_ioctl               54
#define __NR_fcntl               55
#define __NR_setpgid             56
#define __NR_mremap              57
#define __NR_setresuid           58
#define __NR_getresuid           59
#define __NR_setreuid            60
#define __NR_setregid            61
#define __NR_ustat               62
#define __NR_dup2                63
#define __NR_getppid             64
#define __NR_getpgrp             65
#define __NR_setsid              66
#define __NR_rt_sigaction        67
#define __NR_rt_sigreturn        68
#define __NR_rt_sigprocmask      69
#define __NR_rt_sigpending       70
#define __NR_rt_sigtimedwait     71
#define __NR_rt_sigqueueinfo     72
#define __NR_rt_sigsuspend       73
#define __NR_sethostname         74
#define __NR_setrlimit           75
#define __NR_getrlimit           76     /* SuS compliant getrlimit */
#define __NR_getrusage           77
#define __NR_gettimeofday        78
#define __NR_settimeofday        79
#define __NR_getgroups           80
#define __NR_setgroups           81
#define __NR_select              82
#define __NR_symlink             83
#define __NR_fchdir              84
#define __NR_readlink            85
#define __NR_pread               86
#define __NR_pwrite              87
#define __NR_swapon              88
#define __NR_reboot              89
#define __NR_mmap2               90
#define __NR_munmap              91
#define __NR_truncate            92
#define __NR_ftruncate           93
#define __NR_fchmod              94
#define __NR_fchown              95
#define __NR_getpriority         96
#define __NR_setpriority         97
#define __NR_wait4               98
#define __NR_statfs              99
#define __NR_fstatfs            100
#define __NR_vhangup            101
#define __NR_sigaltstack        102
#define __NR_syslog             103
#define __NR_setitimer          104
#define __NR_getitimer          105
#define __NR_swapoff            106
#define __NR_sysinfo            107
#define __NR_ipc                108
#define __NR_sendfile           109
#define __NR_setdomainname      110
#define __NR_uname              111
#define __NR_adjtimex           112
#define __NR_mprotect           113
#define __NR_vfork              114
#define __NR_init_module        115
#define __NR_delete_module      116
#define __NR_quotactl           117
#define __NR_getpgid            118
#define __NR_bdflush            119
#define __NR_sysfs              120
#define __NR_personality        121
#define __NR_afs_syscall        122 /* Syscall for Andrew File System */
#define __NR_getdents           123
#define __NR_flock              124
#define __NR_msync              125
#define __NR_readv              126
#define __NR_writev             127
#define __NR_getsid             128
#define __NR_fdatasync          129
#define __NR__sysctl            130
#define __NR_mlock              131
#define __NR_munlock            132
#define __NR_mlockall           133
#define __NR_munlockall         134
#define __NR_sched_setparam             135
#define __NR_sched_getparam             136
#define __NR_sched_setscheduler         137
#define __NR_sched_getscheduler         138
#define __NR_sched_yield                139
#define __NR_sched_get_priority_max     140
#define __NR_sched_get_priority_min     141
#define __NR_sched_rr_get_interval      142
#define __NR_nanosleep          143
#define __NR_poll               144
#define __NR_nfsservctl         145
#define __NR_setresgid          146
#define __NR_getresgid          147
#define __NR_prctl              148
#define __NR_socket             149
#define __NR_bind               150
#define __NR_connect            151
#define __NR_listen             152
#define __NR_accept             153
#define __NR_getsockname        154
#define __NR_getpeername        155
#define __NR_socketpair         156
#define __NR_send               157
#define __NR_recv               158
#define __NR_sendto             159
#define __NR_recvfrom           160
#define __NR_shutdown           161
#define __NR_setsockopt         162
#define __NR_getsockopt         163
#define __NR_sendmsg            164
#define __NR_recvmsg            165
#define __NR_truncate64         166
#define __NR_ftruncate64        167
#define __NR_stat64             168
#define __NR_lstat64            169
#define __NR_fstat64            170
#define __NR_pivot_root         171
#define __NR_mincore            172
#define __NR_madvise            173
#define __NR_getdents64         174
#define __NR_fcntl64            175
#define __NR_gettid             176
#define __NR_readahead          177
#define __NR_setxattr           178
#define __NR_lsetxattr          179
#define __NR_fsetxattr          180
#define __NR_getxattr           181
#define __NR_lgetxattr          182
#define __NR_fgetxattr          183
#define __NR_listxattr          184
#define __NR_llistxattr         185
#define __NR_flistxattr         186
#define __NR_removexattr        187
#define __NR_lremovexattr       188
#define __NR_fremovexattr       189
#define __NR_tkill              190
#define __NR_sendfile64         191
#define __NR_futex              192
#define __NR_sched_setaffinity  193
#define __NR_sched_getaffinity  194
#define __NR_capget             195
#define __NR_capset             196
#define __NR_io_setup           197
#define __NR_io_destroy         198
#define __NR_io_getevents       199
#define __NR_io_submit          200
#define __NR_io_cancel          201
#define __NR_fadvise64          202
#define __NR_exit_group         203
#define __NR_lookup_dcookie     204
#define __NR_epoll_create       205
#define __NR_epoll_ctl          206
#define __NR_epoll_wait         207
#define __NR_remap_file_pages   208
#define __NR_set_tid_address    209

#define __NR_timer_create       210
#define __NR_timer_settime      211
#define __NR_timer_gettime      212
#define __NR_timer_getoverrun   213
#define __NR_timer_delete       214
#define __NR_clock_settime      215
#define __NR_clock_gettime      216
#define __NR_clock_getres       217
#define __NR_clock_nanosleep    218
#define __NR_statfs64           219
#define __NR_fstatfs64          220
#define __NR_tgkill             221
                                /* 222 reserved for tux */
#define __NR_utimes             223
#define __NR_fadvise64_64       224

#define __NR_cacheflush         225

#define __NR_vserver            226
#define __NR_mq_open            227
#define __NR_mq_unlink          228
#define __NR_mq_timedsend       229
#define __NR_mq_timedreceive    230
#define __NR_mq_notify          231
#define __NR_mq_getsetattr      232
#define __NR_kexec_load         233
#define __NR_waitid             234
#define __NR_add_key            235
#define __NR_request_key        236
#define __NR_keyctl             237
#define __NR_ioprio_set         238
#define __NR_ioprio_get         239
#define __NR_inotify_init       240
#define __NR_inotify_add_watch  241
#define __NR_inotify_rm_watch   242
#define __NR_openat             243
#define __NR_mkdirat            244
#define __NR_mknodat            245
#define __NR_fchownat           246
#define __NR_futimesat          247
#define __NR_fstatat64          248
#define __NR_unlinkat           249
#define __NR_renameat           250
#define __NR_linkat             251
#define __NR_symlinkat          252
#define __NR_readlinkat         253
#define __NR_fchmodat           254
#define __NR_faccessat          255
#define __NR_pselect6           256
#define __NR_ppoll              257
#define __NR_unshare            258
#define __NR_set_robust_list    259
#define __NR_get_robust_list    260
#define __NR_splice             261
#define __NR_sync_file_range    262
#define __NR_tee                263
#define __NR_vmsplice           264

#define NR_syscalls             265


/*
 * AVR32 calling convention for system calls:
 *   - System call number in r8
 *   - Parameters in r12 and downwards to r9 as well as r6 and r5.
 *   - Return value in r12
 */

/*
 * user-visible error numbers are in the range -1 - -124: see
 * <asm-generic/errno.h>
 */

#define __syscall_return(type, res) do {                                \
                if ((unsigned long)(res) >= (unsigned long)(-125)) {    \
                        errno = -(res);                                 \
                        res = -1;                                       \
                }                                                       \
                return (type) (res);                                    \
        } while (0)

#ifdef __KERNEL__
#define __ARCH_WANT_IPC_PARSE_VERSION
#define __ARCH_WANT_STAT64
#define __ARCH_WANT_SYS_ALARM
#define __ARCH_WANT_SYS_GETHOSTNAME
#define __ARCH_WANT_SYS_PAUSE
#define __ARCH_WANT_SYS_TIME
#define __ARCH_WANT_SYS_UTIME
#define __ARCH_WANT_SYS_WAITPID
#define __ARCH_WANT_SYS_FADVISE64
#define __ARCH_WANT_SYS_GETPGRP
#define __ARCH_WANT_SYS_LLSEEK
#define __ARCH_WANT_SYS_GETPGRP
#define __ARCH_WANT_SYS_RT_SIGACTION
#define __ARCH_WANT_SYS_RT_SIGSUSPEND
#endif

#if defined(__KERNEL_SYSCALLS__) || defined(__CHECKER__)

#include <linux/types.h>
#include <linux/linkage.h>
#include <asm/signal.h>

struct pt_regs;

/*
 * we need this inline - forking from kernel space will result
 * in NO COPY ON WRITE (!!!), until an execve is executed. This
 * is no problem, but for the stack. This is handled by not letting
 * main() use the stack at all after fork(). Thus, no function
 * calls - which means inline code for fork too, as otherwise we
 * would use the stack upon exit from 'fork()'.
 *
 * Actually only pause and fork are needed inline, so that there
 * won't be any messing with the stack from main(), but we define
 * some others too.
 */
static inline int execve(const char *file, char **argv, char **envp)
{
        register long scno asm("r8") = __NR_execve;
        register long sc1 asm("r12") = (long)file;
        register long sc2 asm("r11") = (long)argv;
        register long sc3 asm("r10") = (long)envp;
        int res;

        asm volatile("scall"
                     : "=r"(sc1)
                     : "r"(scno), "0"(sc1), "r"(sc2), "r"(sc3)
                     : "lr", "memory");
        res = sc1;
        __syscall_return(int, res);
}

asmlinkage long sys_rt_sigsuspend(sigset_t __user *unewset, size_t sigsetsize);
asmlinkage int sys_sigaltstack(const stack_t __user *uss, stack_t __user *uoss,
                               struct pt_regs *regs);
asmlinkage int sys_rt_sigreturn(struct pt_regs *regs);
asmlinkage int sys_pipe(unsigned long __user *filedes);
asmlinkage long sys_mmap2(unsigned long addr, unsigned long len,
                          unsigned long prot, unsigned long flags,
                          unsigned long fd, off_t offset);
asmlinkage int sys_cacheflush(int operation, void __user *addr, size_t len);
asmlinkage int sys_fork(struct pt_regs *regs);
asmlinkage int sys_clone(unsigned long clone_flags, unsigned long newsp,
                         unsigned long parent_tidptr,
                         unsigned long child_tidptr, struct pt_regs *regs);
asmlinkage int sys_vfork(struct pt_regs *regs);
asmlinkage int sys_execve(char __user *ufilename, char __user *__user *uargv,
                          char __user *__user *uenvp, struct pt_regs *regs);

#endif

/*
 * "Conditional" syscalls
 *
 * What we want is __attribute__((weak,alias("sys_ni_syscall"))),
 * but it doesn't work on all toolchains, so we just do it by hand
 */
#define cond_syscall(x) asm(".weak\t" #x "\n\t.set\t" #x ",sys_ni_syscall");

#endif /* __ASM_AVR32_UNISTD_H */