alpha: use syscall wrappers

Convert OSF syscalls and add alpha specific SYSCALL_ALIAS() macro.
Signed-off-by: Ivan Kokshaysky <ink@jurassic.park.msu.ru>
Cc: Richard Henderson <rth@twiddle.net>
Cc: Heiko Carstens <heiko.carstens@de.ibm.com>
Signed-off-by: Andrew Morton <akpm@linux-foundation.org>
Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>

arch/alpha/Kconfig

@@ -8,6 +8,7 @@ config ALPHA
 	select HAVE_AOUT
 	select HAVE_IDE
 	select HAVE_OPROFILE
+	select HAVE_SYSCALL_WRAPPERS
 	help
 	  The Alpha is a 64-bit general-purpose processor designed and
 	  marketed by the Digital Equipment Corporation of blessed memory,

arch/alpha/kernel/entry.S

@@ -933,7 +933,7 @@ sys_execve:
 osf_sigprocmask:
 	.prologue 0
 	mov	$sp, $18
-	jmp	$31, do_osf_sigprocmask
+	jmp	$31, sys_osf_sigprocmask
 .end osf_sigprocmask
 
 	.align	4

arch/alpha/kernel/osf_sys.c

@@ -54,8 +54,7 @@ extern int do_pipe(int *);
  * identical to OSF as we don't return 0 on success, but doing otherwise
  * would require changes to libc.  Hopefully this is good enough.
  */
-asmlinkage unsigned long
-osf_brk(unsigned long brk)
+SYSCALL_DEFINE1(osf_brk, unsigned long, brk)
 {
 	unsigned long retval = sys_brk(brk);
 	if (brk && brk != retval)
@@ -66,9 +65,9 @@ osf_brk(unsigned long brk)
 /*
  * This is pure guess-work..
  */
-asmlinkage int
-osf_set_program_attributes(unsigned long text_start, unsigned long text_len,
-			   unsigned long bss_start, unsigned long bss_len)
+SYSCALL_DEFINE4(osf_set_program_attributes, unsigned long, text_start,
+		unsigned long, text_len, unsigned long, bss_start,
+		unsigned long, bss_len)
 {
 	struct mm_struct *mm;
 
@@ -146,9 +145,9 @@ osf_filldir(void *__buf, const char *name, int namlen, loff_t offset,
 	return -EFAULT;
 }
 
-asmlinkage int
-osf_getdirentries(unsigned int fd, struct osf_dirent __user *dirent,
-		  unsigned int count, long __user *basep)
+SYSCALL_DEFINE4(osf_getdirentries, unsigned int, fd,
+		struct osf_dirent __user *, dirent, unsigned int, count,
+		long __user *, basep)
 {
 	int error;
 	struct file *file;
@@ -177,9 +176,9 @@ osf_getdirentries(unsigned int fd, struct osf_dirent __user *dirent,
 
 #undef NAME_OFFSET
 
-asmlinkage unsigned long
-osf_mmap(unsigned long addr, unsigned long len, unsigned long prot,
-	 unsigned long flags, unsigned long fd, unsigned long off)
+SYSCALL_DEFINE6(osf_mmap, unsigned long, addr, unsigned long, len,
+		unsigned long, prot, unsigned long, flags, unsigned long, fd,
+		unsigned long, off)
 {
 	struct file *file = NULL;
 	unsigned long ret = -EBADF;
@@ -254,8 +253,8 @@ do_osf_statfs(struct dentry * dentry, struct osf_statfs __user *buffer,
 	return error;	
 }
 
-asmlinkage int
-osf_statfs(char __user *pathname, struct osf_statfs __user *buffer, unsigned long bufsiz)
+SYSCALL_DEFINE3(osf_statfs, char __user *, pathname,
+		struct osf_statfs __user *, buffer, unsigned long, bufsiz)
 {
 	struct path path;
 	int retval;
@@ -268,8 +267,8 @@ osf_statfs(char __user *pathname, struct osf_statfs __user *buffer, unsigned lon
 	return retval;
 }
 
-asmlinkage int
-osf_fstatfs(unsigned long fd, struct osf_statfs __user *buffer, unsigned long bufsiz)
+SYSCALL_DEFINE3(osf_fstatfs, unsigned long, fd,
+		struct osf_statfs __user *, buffer, unsigned long, bufsiz)
 {
 	struct file *file;
 	int retval;
@@ -368,8 +367,8 @@ osf_procfs_mount(char *dirname, struct procfs_args __user *args, int flags)
 	return do_mount("", dirname, "proc", flags, NULL);
 }
 
-asmlinkage int
-osf_mount(unsigned long typenr, char __user *path, int flag, void __user *data)
+SYSCALL_DEFINE4(osf_mount, unsigned long, typenr, char __user *, path,
+		int, flag, void __user *, data)
 {
 	int retval = -EINVAL;
 	char *name;
@@ -399,8 +398,7 @@ osf_mount(unsigned long typenr, char __user *path, int flag, void __user *data)
 	return retval;
 }
 
-asmlinkage int
-osf_utsname(char __user *name)
+SYSCALL_DEFINE1(osf_utsname, char __user *, name)
 {
 	int error;
 
@@ -423,14 +421,12 @@ osf_utsname(char __user *name)
 	return error;
 }
 
-asmlinkage unsigned long
-sys_getpagesize(void)
+SYSCALL_DEFINE0(getpagesize)
 {
 	return PAGE_SIZE;
 }
 
-asmlinkage unsigned long
-sys_getdtablesize(void)
+SYSCALL_DEFINE0(getdtablesize)
 {
 	return sysctl_nr_open;
 }
@@ -438,8 +434,7 @@ sys_getdtablesize(void)
 /*
  * For compatibility with OSF/1 only.  Use utsname(2) instead.
  */
-asmlinkage int
-osf_getdomainname(char __user *name, int namelen)
+SYSCALL_DEFINE2(osf_getdomainname, char __user *, name, int, namelen)
 {
 	unsigned len;
 	int i;
@@ -527,8 +522,8 @@ enum pl_code {
 	PL_DEL = 5, PL_FDEL = 6
 };
 
-asmlinkage long
-osf_proplist_syscall(enum pl_code code, union pl_args __user *args)
+SYSCALL_DEFINE2(osf_proplist_syscall, enum pl_code, code,
+		union pl_args __user *, args)
 {
 	long error;
 	int __user *min_buf_size_ptr;
@@ -567,8 +562,8 @@ osf_proplist_syscall(enum pl_code code, union pl_args __user *args)
 	return error;
 }
 
-asmlinkage int
-osf_sigstack(struct sigstack __user *uss, struct sigstack __user *uoss)
+SYSCALL_DEFINE2(osf_sigstack, struct sigstack __user *, uss,
+		struct sigstack __user *, uoss)
 {
 	unsigned long usp = rdusp();
 	unsigned long oss_sp = current->sas_ss_sp + current->sas_ss_size;
@@ -608,8 +603,7 @@ osf_sigstack(struct sigstack __user *uss, struct sigstack __user *uoss)
 	return error;
 }
 
-asmlinkage long
-osf_sysinfo(int command, char __user *buf, long count)
+SYSCALL_DEFINE3(osf_sysinfo, int, command, char __user *, buf, long, count)
 {
 	char *sysinfo_table[] = {
 		utsname()->sysname,
@@ -647,9 +641,8 @@ osf_sysinfo(int command, char __user *buf, long count)
 	return err;
 }
 
-asmlinkage unsigned long
-osf_getsysinfo(unsigned long op, void __user *buffer, unsigned long nbytes,
-	       int __user *start, void __user *arg)
+SYSCALL_DEFINE5(osf_getsysinfo, unsigned long, op, void __user *, buffer,
+		unsigned long, nbytes, int __user *, start, void __user *, arg)
 {
 	unsigned long w;
 	struct percpu_struct *cpu;
@@ -705,9 +698,8 @@ osf_getsysinfo(unsigned long op, void __user *buffer, unsigned long nbytes,
 	return -EOPNOTSUPP;
 }
 
-asmlinkage unsigned long
-osf_setsysinfo(unsigned long op, void __user *buffer, unsigned long nbytes,
-	       int __user *start, void __user *arg)
+SYSCALL_DEFINE5(osf_setsysinfo, unsigned long, op, void __user *, buffer,
+		unsigned long, nbytes, int __user *, start, void __user *, arg)
 {
 	switch (op) {
 	case SSI_IEEE_FP_CONTROL: {
@@ -880,8 +872,8 @@ jiffies_to_timeval32(unsigned long jiffies, struct timeval32 *value)
 	value->tv_sec = jiffies / HZ;
 }
 
-asmlinkage int
-osf_gettimeofday(struct timeval32 __user *tv, struct timezone __user *tz)
+SYSCALL_DEFINE2(osf_gettimeofday, struct timeval32 __user *, tv,
+		struct timezone __user *, tz)
 {
 	if (tv) {
 		struct timeval ktv;
@@ -896,8 +888,8 @@ osf_gettimeofday(struct timeval32 __user *tv, struct timezone __user *tz)
 	return 0;
 }
 
-asmlinkage int
-osf_settimeofday(struct timeval32 __user *tv, struct timezone __user *tz)
+SYSCALL_DEFINE2(osf_settimeofday, struct timeval32 __user *, tv,
+		struct timezone __user *, tz)
 {
 	struct timespec kts;
 	struct timezone ktz;
@@ -916,8 +908,7 @@ osf_settimeofday(struct timeval32 __user *tv, struct timezone __user *tz)
 	return do_sys_settimeofday(tv ? &kts : NULL, tz ? &ktz : NULL);
 }
 
-asmlinkage int
-osf_getitimer(int which, struct itimerval32 __user *it)
+SYSCALL_DEFINE2(osf_getitimer, int, which, struct itimerval32 __user *, it)
 {
 	struct itimerval kit;
 	int error;
@@ -929,8 +920,8 @@ osf_getitimer(int which, struct itimerval32 __user *it)
 	return error;
 }
 
-asmlinkage int
-osf_setitimer(int which, struct itimerval32 __user *in, struct itimerval32 __user *out)
+SYSCALL_DEFINE3(osf_setitimer, int, which, struct itimerval32 __user *, in,
+		struct itimerval32 __user *, out)
 {
 	struct itimerval kin, kout;
 	int error;
@@ -952,8 +943,8 @@ osf_setitimer(int which, struct itimerval32 __user *in, struct itimerval32 __use
 
 }
 
-asmlinkage int
-osf_utimes(char __user *filename, struct timeval32 __user *tvs)
+SYSCALL_DEFINE2(osf_utimes, char __user *, filename,
+		struct timeval32 __user *, tvs)
 {
 	struct timespec tv[2];
 
@@ -979,9 +970,8 @@ osf_utimes(char __user *filename, struct timeval32 __user *tvs)
 #define MAX_SELECT_SECONDS \
 	((unsigned long) (MAX_SCHEDULE_TIMEOUT / HZ)-1)
 
-asmlinkage int
-osf_select(int n, fd_set __user *inp, fd_set __user *outp, fd_set __user *exp,
-	   struct timeval32 __user *tvp)
+SYSCALL_DEFINE5(osf_select, int, n, fd_set __user *, inp, fd_set __user *, outp,
+		fd_set __user *, exp, struct timeval32 __user *, tvp)
 {
 	struct timespec end_time, *to = NULL;
 	if (tvp) {
@@ -1026,8 +1016,7 @@ struct rusage32 {
 	long	ru_nivcsw;		/* involuntary " */
 };
 
-asmlinkage int
-osf_getrusage(int who, struct rusage32 __user *ru)
+SYSCALL_DEFINE2(osf_getrusage, int, who, struct rusage32 __user *, ru)
 {
 	struct rusage32 r;
 
@@ -1053,9 +1042,8 @@ osf_getrusage(int who, struct rusage32 __user *ru)
 	return copy_to_user(ru, &r, sizeof(r)) ? -EFAULT : 0;
 }
 
-asmlinkage long
-osf_wait4(pid_t pid, int __user *ustatus, int options,
-	  struct rusage32 __user *ur)
+SYSCALL_DEFINE4(osf_wait4, pid_t, pid, int __user *, ustatus, int, options,
+		struct rusage32 __user *, ur)
 {
 	struct rusage r;
 	long ret, err;
@@ -1101,8 +1089,8 @@ osf_wait4(pid_t pid, int __user *ustatus, int options,
  * seems to be a timeval pointer, and I suspect the second
  * one is the time remaining.. Ho humm.. No documentation.
  */
-asmlinkage int
-osf_usleep_thread(struct timeval32 __user *sleep, struct timeval32 __user *remain)
+SYSCALL_DEFINE2(osf_usleep_thread, struct timeval32 __user *, sleep,
+		struct timeval32 __user *, remain)
 {
 	struct timeval tmp;
 	unsigned long ticks;
@@ -1155,8 +1143,7 @@ struct timex32 {
 	int  :32; int  :32; int  :32; int  :32;
 };
 
-asmlinkage int
-sys_old_adjtimex(struct timex32 __user *txc_p)
+SYSCALL_DEFINE1(old_adjtimex, struct timex32 __user *, txc_p)
 {
         struct timex txc;
 	int ret;
@@ -1267,8 +1254,8 @@ osf_fix_iov_len(const struct iovec __user *iov, unsigned long count)
 	return 0;
 }
 
-asmlinkage ssize_t
-osf_readv(unsigned long fd, const struct iovec __user * vector, unsigned long count)
+SYSCALL_DEFINE3(osf_readv, unsigned long, fd,
+		const struct iovec __user *, vector, unsigned long, count)
 {
 	if (unlikely(personality(current->personality) == PER_OSF4))
 		if (osf_fix_iov_len(vector, count))
@@ -1276,8 +1263,8 @@ osf_readv(unsigned long fd, const struct iovec __user * vector, unsigned long co
 	return sys_readv(fd, vector, count);
 }
 
-asmlinkage ssize_t
-osf_writev(unsigned long fd, const struct iovec __user * vector, unsigned long count)
+SYSCALL_DEFINE3(osf_writev, unsigned long, fd,
+		const struct iovec __user *, vector, unsigned long, count)
 {
 	if (unlikely(personality(current->personality) == PER_OSF4))
 		if (osf_fix_iov_len(vector, count))

arch/alpha/kernel/signal.c

@@ -19,6 +19,7 @@
 #include <linux/tty.h>
 #include <linux/binfmts.h>
 #include <linux/bitops.h>
+#include <linux/syscalls.h>
 
 #include <asm/uaccess.h>
 #include <asm/sigcontext.h>
@@ -51,8 +52,8 @@ static void do_signal(struct pt_regs *, struct switch_stack *,
  * Note that we don't need to acquire the kernel lock for SMP
  * operation, as all of this is local to this thread.
  */
-asmlinkage unsigned long
-do_osf_sigprocmask(int how, unsigned long newmask, struct pt_regs *regs)
+SYSCALL_DEFINE3(osf_sigprocmask, int, how, unsigned long, newmask,
+		struct pt_regs *, regs)
 {
 	unsigned long oldmask = -EINVAL;
 
@@ -81,9 +82,9 @@ do_osf_sigprocmask(int how, unsigned long newmask, struct pt_regs *regs)
 	return oldmask;
 }
 
-asmlinkage int 
-osf_sigaction(int sig, const struct osf_sigaction __user *act,
-	      struct osf_sigaction __user *oact)
+SYSCALL_DEFINE3(osf_sigaction, int, sig,
+		const struct osf_sigaction __user *, act,
+		struct osf_sigaction __user *, oact)
 {
 	struct k_sigaction new_ka, old_ka;
 	int ret;
@@ -112,10 +113,9 @@ osf_sigaction(int sig, const struct osf_sigaction __user *act,
 	return ret;
 }
 
-asmlinkage long
-sys_rt_sigaction(int sig, const struct sigaction __user *act,
-		 struct sigaction __user *oact,
-		 size_t sigsetsize, void __user *restorer)
+SYSCALL_DEFINE5(rt_sigaction, int, sig, const struct sigaction __user *, act,
+		struct sigaction __user *, oact,
+		size_t, sigsetsize, void __user *, restorer)
 {
 	struct k_sigaction new_ka, old_ka;
 	int ret;

arch/alpha/kernel/systbls.S

@@ -17,7 +17,7 @@ sys_call_table:
 	.quad sys_write
 	.quad alpha_ni_syscall			/* 5 */
 	.quad sys_close
-	.quad osf_wait4
+	.quad sys_osf_wait4
 	.quad alpha_ni_syscall
 	.quad sys_link
 	.quad sys_unlink			/* 10 */
@@ -27,11 +27,11 @@ sys_call_table:
 	.quad sys_mknod
 	.quad sys_chmod				/* 15 */
 	.quad sys_chown
-	.quad osf_brk
+	.quad sys_osf_brk
 	.quad alpha_ni_syscall
 	.quad sys_lseek
 	.quad sys_getxpid			/* 20 */
-	.quad osf_mount
+	.quad sys_osf_mount
 	.quad sys_umount
 	.quad sys_setuid
 	.quad sys_getxuid
@@ -53,7 +53,7 @@ sys_call_table:
 	.quad alpha_ni_syscall			/* 40 */
 	.quad sys_dup
 	.quad sys_alpha_pipe
-	.quad osf_set_program_attributes
+	.quad sys_osf_set_program_attributes
 	.quad alpha_ni_syscall
 	.quad sys_open				/* 45 */
 	.quad alpha_ni_syscall
@@ -81,7 +81,7 @@ sys_call_table:
 	.quad sys_newlstat
 	.quad alpha_ni_syscall
 	.quad alpha_ni_syscall			/* 70 */
-	.quad osf_mmap
+	.quad sys_osf_mmap
 	.quad alpha_ni_syscall
 	.quad sys_munmap
 	.quad sys_mprotect
@@ -94,17 +94,17 @@ sys_call_table:
 	.quad sys_setgroups			/* 80 */
 	.quad alpha_ni_syscall
 	.quad sys_setpgid
-	.quad osf_setitimer
+	.quad sys_osf_setitimer
 	.quad alpha_ni_syscall
 	.quad alpha_ni_syscall			/* 85 */
-	.quad osf_getitimer
+	.quad sys_osf_getitimer
 	.quad sys_gethostname
 	.quad sys_sethostname
 	.quad sys_getdtablesize
 	.quad sys_dup2				/* 90 */
 	.quad sys_newfstat
 	.quad sys_fcntl
-	.quad osf_select
+	.quad sys_osf_select
 	.quad sys_poll
 	.quad sys_fsync				/* 95 */
 	.quad sys_setpriority
@@ -123,22 +123,22 @@ sys_call_table:
 	.quad alpha_ni_syscall
 	.quad alpha_ni_syscall			/* 110 */
 	.quad sys_sigsuspend
-	.quad osf_sigstack
+	.quad sys_osf_sigstack
 	.quad sys_recvmsg
 	.quad sys_sendmsg
 	.quad alpha_ni_syscall			/* 115 */
-	.quad osf_gettimeofday
-	.quad osf_getrusage
+	.quad sys_osf_gettimeofday
+	.quad sys_osf_getrusage
 	.quad sys_getsockopt
 	.quad alpha_ni_syscall
 #ifdef CONFIG_OSF4_COMPAT
-	.quad osf_readv				/* 120 */
-	.quad osf_writev
+	.quad sys_osf_readv			/* 120 */
+	.quad sys_osf_writev
 #else
 	.quad sys_readv				/* 120 */
 	.quad sys_writev
 #endif
-	.quad osf_settimeofday
+	.quad sys_osf_settimeofday
 	.quad sys_fchown
 	.quad sys_fchmod
 	.quad sys_recvfrom			/* 125 */
@@ -154,7 +154,7 @@ sys_call_table:
 	.quad sys_socketpair			/* 135 */
 	.quad sys_mkdir
 	.quad sys_rmdir
-	.quad osf_utimes
+	.quad sys_osf_utimes
 	.quad alpha_ni_syscall
 	.quad alpha_ni_syscall			/* 140 */
 	.quad sys_getpeername
@@ -172,16 +172,16 @@ sys_call_table:
 	.quad alpha_ni_syscall
 	.quad alpha_ni_syscall
 	.quad alpha_ni_syscall			/* 155 */
-	.quad osf_sigaction
+	.quad sys_osf_sigaction
 	.quad alpha_ni_syscall
 	.quad alpha_ni_syscall
-	.quad osf_getdirentries
-	.quad osf_statfs			/* 160 */
-	.quad osf_fstatfs
+	.quad sys_osf_getdirentries
+	.quad sys_osf_statfs			/* 160 */
+	.quad sys_osf_fstatfs
 	.quad alpha_ni_syscall
 	.quad alpha_ni_syscall
 	.quad alpha_ni_syscall
-	.quad osf_getdomainname			/* 165 */
+	.quad sys_osf_getdomainname		/* 165 */
 	.quad sys_setdomainname
 	.quad alpha_ni_syscall
 	.quad alpha_ni_syscall
@@ -224,7 +224,7 @@ sys_call_table:
 	.quad sys_semctl
 	.quad sys_semget			/* 205 */
 	.quad sys_semop
-	.quad osf_utsname
+	.quad sys_osf_utsname
 	.quad sys_lchown
 	.quad sys_shmat
 	.quad sys_shmctl			/* 210 */
@@ -258,23 +258,23 @@ sys_call_table:
 	.quad alpha_ni_syscall
 	.quad alpha_ni_syscall
 	.quad alpha_ni_syscall			/* 240 */
-	.quad osf_sysinfo
+	.quad sys_osf_sysinfo
 	.quad alpha_ni_syscall
 	.quad alpha_ni_syscall
-	.quad osf_proplist_syscall
+	.quad sys_osf_proplist_syscall
 	.quad alpha_ni_syscall			/* 245 */
 	.quad alpha_ni_syscall
 	.quad alpha_ni_syscall
 	.quad alpha_ni_syscall
 	.quad alpha_ni_syscall
 	.quad alpha_ni_syscall			/* 250 */
-	.quad osf_usleep_thread
+	.quad sys_osf_usleep_thread
 	.quad alpha_ni_syscall
 	.quad alpha_ni_syscall
 	.quad sys_sysfs
 	.quad alpha_ni_syscall			/* 255 */
-	.quad osf_getsysinfo
-	.quad osf_setsysinfo
+	.quad sys_osf_getsysinfo
+	.quad sys_osf_setsysinfo
 	.quad alpha_ni_syscall
 	.quad alpha_ni_syscall
 	.quad alpha_ni_syscall			/* 260 */

include/linux/syscalls.h

@@ -108,9 +108,14 @@ struct old_linux_dirent;
 	asm ("\t.globl " #alias "\n\t.set " #alias ", " #name "\n"	\
 	     "\t.globl ." #alias "\n\t.set ." #alias ", ." #name)
 #else
+#ifdef CONFIG_ALPHA
+#define SYSCALL_ALIAS(alias, name)					\
+	asm ( #alias " = " #name "\n\t.globl " #alias)
+#else
 #define SYSCALL_ALIAS(alias, name)					\
 	asm ("\t.globl " #alias "\n\t.set " #alias ", " #name)
 #endif
+#endif
 
 #ifdef CONFIG_HAVE_SYSCALL_WRAPPERS