kernel / 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 */
/* 258 currently unused */
/* 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_ioprio_set		273
#define __NR_ioprio_get		274

#define __NR_syscalls		275

#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_ */