[PATCH] fix semaphore handling in __unregister_chrdev_region

[linux/fpc-iii.git] / include / asm-ppc / unistd.h

#ifndef _ASM_PPC_UNISTD_H_
#define _ASM_PPC_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_waitpid              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_lchown              16
#define __NR_break               17
#define __NR_oldstat             18
#define __NR_lseek               19
#define __NR_getpid              20
#define __NR_mount               21
#define __NR_umount              22
#define __NR_setuid              23
#define __NR_getuid              24
#define __NR_stime               25
#define __NR_ptrace              26
#define __NR_alarm               27
#define __NR_oldfstat            28
#define __NR_pause               29
#define __NR_utime               30
#define __NR_stty                31
#define __NR_gtty                32
#define __NR_access              33
#define __NR_nice                34
#define __NR_ftime               35
#define __NR_sync                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_prof                44
#define __NR_brk                 45
#define __NR_setgid              46
#define __NR_getgid              47
#define __NR_signal              48
#define __NR_geteuid             49
#define __NR_getegid             50
#define __NR_acct                51
#define __NR_umount2             52
#define __NR_lock                53
#define __NR_ioctl               54
#define __NR_fcntl               55
#define __NR_mpx                 56
#define __NR_setpgid             57
#define __NR_ulimit              58
#define __NR_oldolduname         59
#define __NR_umask               60
#define __NR_chroot              61
#define __NR_ustat               62
#define __NR_dup2                63
#define __NR_getppid             64
#define __NR_getpgrp             65
#define __NR_setsid              66
#define __NR_sigaction           67
#define __NR_sgetmask            68
#define __NR_ssetmask            69
#define __NR_setreuid            70
#define __NR_setregid            71
#define __NR_sigsuspend          72
#define __NR_sigpending          73
#define __NR_sethostname         74
#define __NR_setrlimit           75
#define __NR_getrlimit           76
#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_oldlstat            84
#define __NR_readlink            85
#define __NR_uselib              86
#define __NR_swapon              87
#define __NR_reboot              88
#define __NR_readdir             89
#define __NR_mmap                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_profil              98
#define __NR_statfs              99
#define __NR_fstatfs            100
#define __NR_ioperm             101
#define __NR_socketcall         102
#define __NR_syslog             103
#define __NR_setitimer          104
#define __NR_getitimer          105
#define __NR_stat               106
#define __NR_lstat              107
#define __NR_fstat              108
#define __NR_olduname           109
#define __NR_iopl               110
#define __NR_vhangup            111
#define __NR_idle               112
#define __NR_vm86               113
#define __NR_wait4              114
#define __NR_swapoff            115
#define __NR_sysinfo            116
#define __NR_ipc                117
#define __NR_fsync              118
#define __NR_sigreturn          119
#define __NR_clone              120
#define __NR_setdomainname      121
#define __NR_uname              122
#define __NR_modify_ldt         123
#define __NR_adjtimex           124
#define __NR_mprotect           125
#define __NR_sigprocmask        126
#define __NR_create_module      127
#define __NR_init_module        128
#define __NR_delete_module      129
#define __NR_get_kernel_syms    130
#define __NR_quotactl           131
#define __NR_getpgid            132
#define __NR_fchdir             133
#define __NR_bdflush            134
#define __NR_sysfs              135
#define __NR_personality        136
#define __NR_afs_syscall        137 /* Syscall for Andrew File System */
#define __NR_setfsuid           138
#define __NR_setfsgid           139
#define __NR__llseek            140
#define __NR_getdents           141
#define __NR__newselect         142
#define __NR_flock              143
#define __NR_msync              144
#define __NR_readv              145
#define __NR_writev             146
#define __NR_getsid             147
#define __NR_fdatasync          148
#define __NR__sysctl            149
#define __NR_mlock              150
#define __NR_munlock            151
#define __NR_mlockall           152
#define __NR_munlockall         153
#define __NR_sched_setparam             154
#define __NR_sched_getparam             155
#define __NR_sched_setscheduler         156
#define __NR_sched_getscheduler         157
#define __NR_sched_yield                158
#define __NR_sched_get_priority_max     159
#define __NR_sched_get_priority_min     160
#define __NR_sched_rr_get_interval      161
#define __NR_nanosleep          162
#define __NR_mremap             163
#define __NR_setresuid          164
#define __NR_getresuid          165
#define __NR_query_module       166
#define __NR_poll               167
#define __NR_nfsservctl         168
#define __NR_setresgid          169
#define __NR_getresgid          170
#define __NR_prctl              171
#define __NR_rt_sigreturn       172
#define __NR_rt_sigaction       173
#define __NR_rt_sigprocmask     174
#define __NR_rt_sigpending      175
#define __NR_rt_sigtimedwait    176
#define __NR_rt_sigqueueinfo    177
#define __NR_rt_sigsuspend      178
#define __NR_pread64            179
#define __NR_pwrite64           180
#define __NR_chown              181
#define __NR_getcwd             182
#define __NR_capget             183
#define __NR_capset             184
#define __NR_sigaltstack        185
#define __NR_sendfile           186
#define __NR_getpmsg            187     /* some people actually want streams */
#define __NR_putpmsg            188     /* some people actually want streams */
#define __NR_vfork              189
#define __NR_ugetrlimit         190     /* SuS compliant getrlimit */
#define __NR_readahead          191
#define __NR_mmap2              192
#define __NR_truncate64         193
#define __NR_ftruncate64        194
#define __NR_stat64             195
#define __NR_lstat64            196
#define __NR_fstat64            197
#define __NR_pciconfig_read     198
#define __NR_pciconfig_write    199
#define __NR_pciconfig_iobase   200
#define __NR_multiplexer        201
#define __NR_getdents64         202
#define __NR_pivot_root         203
#define __NR_fcntl64            204
#define __NR_madvise            205
#define __NR_mincore            206
#define __NR_gettid             207
#define __NR_tkill              208
#define __NR_setxattr           209
#define __NR_lsetxattr          210
#define __NR_fsetxattr          211
#define __NR_getxattr           212
#define __NR_lgetxattr          213
#define __NR_fgetxattr          214
#define __NR_listxattr          215
#define __NR_llistxattr         216
#define __NR_flistxattr         217
#define __NR_removexattr        218
#define __NR_lremovexattr       219
#define __NR_fremovexattr       220
#define __NR_futex              221
#define __NR_sched_setaffinity  222
#define __NR_sched_getaffinity  223
/* 224 currently unused */
#define __NR_tuxcall            225
#define __NR_sendfile64         226
#define __NR_io_setup           227
#define __NR_io_destroy         228
#define __NR_io_getevents       229
#define __NR_io_submit          230
#define __NR_io_cancel          231
#define __NR_set_tid_address    232
#define __NR_fadvise64          233
#define __NR_exit_group         234
#define __NR_lookup_dcookie     235
#define __NR_epoll_create       236
#define __NR_epoll_ctl          237
#define __NR_epoll_wait         238
#define __NR_remap_file_pages   239
#define __NR_timer_create       240
#define __NR_timer_settime      241
#define __NR_timer_gettime      242
#define __NR_timer_getoverrun   243
#define __NR_timer_delete       244
#define __NR_clock_settime      245
#define __NR_clock_gettime      246
#define __NR_clock_getres       247
#define __NR_clock_nanosleep    248
#define __NR_swapcontext        249
#define __NR_tgkill             250
#define __NR_utimes             251
#define __NR_statfs64           252
#define __NR_fstatfs64          253
#define __NR_fadvise64_64       254
#define __NR_rtas               255
#define __NR_sys_debug_setcontext 256
/* Number 257 is reserved for vserver */
/* Number 258 is reserved for new sys_remap_file_pages */
/* Number 259 is reserved for new sys_mbind */
/* Number 260 is reserved for new sys_get_mempolicy */
/* Number 261 is reserved for new sys_set_mempolicy */
#define __NR_mq_open            262
#define __NR_mq_unlink          263
#define __NR_mq_timedsend       264
#define __NR_mq_timedreceive    265
#define __NR_mq_notify          266
#define __NR_mq_getsetattr      267
#define __NR_kexec_load         268
#define __NR_add_key            269
#define __NR_request_key        270
#define __NR_keyctl             271
#define __NR_waitid             272

#define __NR_syscalls           273

#define __NR(n) #n

/* On powerpc a system call basically clobbers the same registers like a
 * function call, with the exception of LR (which is needed for the
 * "sc; bnslr" sequence) and CR (where only CR0.SO is clobbered to signal
 * an error return status).
 */

#define __syscall_nr(nr, type, name, args...)                           \
        unsigned long __sc_ret, __sc_err;                               \
        {                                                               \
                register unsigned long __sc_0  __asm__ ("r0");          \
                register unsigned long __sc_3  __asm__ ("r3");          \
                register unsigned long __sc_4  __asm__ ("r4");          \
                register unsigned long __sc_5  __asm__ ("r5");          \
                register unsigned long __sc_6  __asm__ ("r6");          \
                register unsigned long __sc_7  __asm__ ("r7");          \
                register unsigned long __sc_8  __asm__ ("r8");          \
                                                                        \
                __sc_loadargs_##nr(name, args);                         \
                __asm__ __volatile__                                    \
                        ("sc           \n\t"                            \
                         "mfcr %0      "                                \
                        : "=&r" (__sc_0),                               \
                          "=&r" (__sc_3),  "=&r" (__sc_4),              \
                          "=&r" (__sc_5),  "=&r" (__sc_6),              \
                          "=&r" (__sc_7),  "=&r" (__sc_8)               \
                        : __sc_asm_input_##nr                           \
                        : "cr0", "ctr", "memory",                       \
                          "r9", "r10","r11", "r12");                    \
                __sc_ret = __sc_3;                                      \
                __sc_err = __sc_0;                                      \
        }                                                               \
        if (__sc_err & 0x10000000)                                      \
        {                                                               \
                errno = __sc_ret;                                       \
                __sc_ret = -1;                                          \
        }                                                               \
        return (type) __sc_ret

#define __sc_loadargs_0(name, dummy...)                                 \
        __sc_0 = __NR_##name
#define __sc_loadargs_1(name, arg1)                                     \
        __sc_loadargs_0(name);                                          \
        __sc_3 = (unsigned long) (arg1)
#define __sc_loadargs_2(name, arg1, arg2)                               \
        __sc_loadargs_1(name, arg1);                                    \
        __sc_4 = (unsigned long) (arg2)
#define __sc_loadargs_3(name, arg1, arg2, arg3)                         \
        __sc_loadargs_2(name, arg1, arg2);                              \
        __sc_5 = (unsigned long) (arg3)
#define __sc_loadargs_4(name, arg1, arg2, arg3, arg4)                   \
        __sc_loadargs_3(name, arg1, arg2, arg3);                        \
        __sc_6 = (unsigned long) (arg4)
#define __sc_loadargs_5(name, arg1, arg2, arg3, arg4, arg5)             \
        __sc_loadargs_4(name, arg1, arg2, arg3, arg4);                  \
        __sc_7 = (unsigned long) (arg5)
#define __sc_loadargs_6(name, arg1, arg2, arg3, arg4, arg5, arg6)       \
        __sc_loadargs_5(name, arg1, arg2, arg3, arg4, arg5);            \
        __sc_8 = (unsigned long) (arg6)

#define __sc_asm_input_0 "0" (__sc_0)
#define __sc_asm_input_1 __sc_asm_input_0, "1" (__sc_3)
#define __sc_asm_input_2 __sc_asm_input_1, "2" (__sc_4)
#define __sc_asm_input_3 __sc_asm_input_2, "3" (__sc_5)
#define __sc_asm_input_4 __sc_asm_input_3, "4" (__sc_6)
#define __sc_asm_input_5 __sc_asm_input_4, "5" (__sc_7)
#define __sc_asm_input_6 __sc_asm_input_5, "6" (__sc_8)

#define _syscall0(type,name)                                            \
type name(void)                                                         \
{                                                                       \
        __syscall_nr(0, type, name);                                    \
}

#define _syscall1(type,name,type1,arg1)                                 \
type name(type1 arg1)                                                   \
{                                                                       \
        __syscall_nr(1, type, name, arg1);                              \
}

#define _syscall2(type,name,type1,arg1,type2,arg2)                      \
type name(type1 arg1, type2 arg2)                                       \
{                                                                       \
        __syscall_nr(2, type, name, arg1, arg2);                        \
}

#define _syscall3(type,name,type1,arg1,type2,arg2,type3,arg3)           \
type name(type1 arg1, type2 arg2, type3 arg3)                           \
{                                                                       \
        __syscall_nr(3, type, name, arg1, arg2, arg3);                  \
}

#define _syscall4(type,name,type1,arg1,type2,arg2,type3,arg3,type4,arg4) \
type name(type1 arg1, type2 arg2, type3 arg3, type4 arg4)               \
{                                                                       \
        __syscall_nr(4, type, name, arg1, arg2, arg3, arg4);            \
}

#define _syscall5(type,name,type1,arg1,type2,arg2,type3,arg3,type4,arg4,type5,arg5) \
type name(type1 arg1, type2 arg2, type3 arg3, type4 arg4, type5 arg5)   \
{                                                                       \
        __syscall_nr(5, type, name, arg1, arg2, arg3, arg4, arg5);      \
}

#define _syscall6(type,name,type1,arg1,type2,arg2,type3,arg3,type4,arg4,type5,arg5,type6,arg6) \
type name(type1 arg1, type2 arg2, type3 arg3, type4 arg4, type5 arg5, type6 arg6) \
{                                                                       \
        __syscall_nr(6, type, name, arg1, arg2, arg3, arg4, arg5, arg6); \
}

#ifdef __KERNEL__

#define __NR__exit __NR_exit
#define NR_syscalls     __NR_syscalls

#define __ARCH_WANT_IPC_PARSE_VERSION
#define __ARCH_WANT_OLD_READDIR
#define __ARCH_WANT_OLD_STAT
#define __ARCH_WANT_STAT64
#define __ARCH_WANT_SYS_ALARM
#define __ARCH_WANT_SYS_GETHOSTNAME
#define __ARCH_WANT_SYS_PAUSE
#define __ARCH_WANT_SYS_SGETMASK
#define __ARCH_WANT_SYS_SIGNAL
#define __ARCH_WANT_SYS_TIME
#define __ARCH_WANT_SYS_UTIME
#define __ARCH_WANT_SYS_WAITPID
#define __ARCH_WANT_SYS_SOCKETCALL
#define __ARCH_WANT_SYS_FADVISE64
#define __ARCH_WANT_SYS_GETPGRP
#define __ARCH_WANT_SYS_LLSEEK
#define __ARCH_WANT_SYS_NICE
#define __ARCH_WANT_SYS_OLD_GETRLIMIT
#define __ARCH_WANT_SYS_OLDUMOUNT
#define __ARCH_WANT_SYS_SIGPENDING
#define __ARCH_WANT_SYS_SIGPROCMASK
#define __ARCH_WANT_SYS_RT_SIGACTION

/*
 * Forking from kernel space will result in the child getting a new,
 * empty kernel stack area.  Thus the child cannot access automatic
 * variables set in the parent unless they are in registers, and the
 * procedure where the fork was done cannot return to its caller in
 * the child.
 */

#ifdef __KERNEL_SYSCALLS__

#include <linux/compiler.h>
#include <linux/types.h>

/*
 * System call prototypes.
 */
extern pid_t setsid(void);
extern int write(int fd, const char *buf, off_t count);
extern int read(int fd, char *buf, off_t count);
extern off_t lseek(int fd, off_t offset, int count);
extern int dup(int fd);
extern int execve(const char *file, char **argv, char **envp);
extern int open(const char *file, int flag, int mode);
extern int close(int fd);
extern pid_t waitpid(pid_t pid, int *wait_stat, int options);

unsigned long sys_mmap(unsigned long addr, size_t len,
                        unsigned long prot, unsigned long flags,
                        unsigned long fd, off_t offset);
unsigned long sys_mmap2(unsigned long addr, size_t len,
                        unsigned long prot, unsigned long flags,
                        unsigned long fd, unsigned long pgoff);
struct pt_regs;
int sys_execve(unsigned long a0, unsigned long a1, unsigned long a2,
                unsigned long a3, unsigned long a4, unsigned long a5,
                struct pt_regs *regs);
int sys_clone(unsigned long clone_flags, unsigned long usp,
              int __user *parent_tidp, void __user *child_threadptr,
              int __user *child_tidp, int p6,
              struct pt_regs *regs);
int sys_fork(int p1, int p2, int p3, int p4, int p5, int p6,
                struct pt_regs *regs);
int sys_vfork(int p1, int p2, int p3, int p4, int p5, int p6,
                struct pt_regs *regs);
int sys_pipe(int __user *fildes);
int sys_ptrace(long request, long pid, long addr, long data);
struct sigaction;
long sys_rt_sigaction(int sig,
                      const struct sigaction __user *act,
                      struct sigaction __user *oact,
                      size_t sigsetsize);

#endif /* __KERNEL_SYSCALLS__ */

/*
 * "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
 */
#ifndef cond_syscall
#define cond_syscall(x) asm(".weak\t" #x "\n\t.set\t" #x ",sys_ni_syscall")
#endif

#endif /* __KERNEL__ */

#endif /* _ASM_PPC_UNISTD_H_ */