[SPARC64]: Compat syscall overhaul.

1) Make syscall entry zero-extend all arguments.
2) Sign extend those needed in sys32.S
3) Kill the A() AA() macros, replace with compat_ptr() et al.

arch/sparc64/kernel/binfmt_aout32.c

@@ -147,7 +147,6 @@ static int aout32_core_dump(long signr, struct pt_regs *regs, struct file *file)
  * memory and creates the pointer tables from them, and puts their
  * addresses on the "stack", returning the new stack pointer value.
  */
-#define A(__x) ((unsigned long)(__x))
 
 static u32 *create_aout32_tables(char * p, struct linux_binprm * bprm)
 {
@@ -171,7 +170,7 @@ static u32 *create_aout32_tables(char * p, struct linux_binprm * bprm)
 	current->mm->arg_start = (unsigned long) p;
 	while (argc-->0) {
 		char c;
-		put_user(((u32)A(p)),argv++);
+		put_user(((u32)(unsigned long)(p)),argv++);
 		do {
 			get_user(c,p++);
 		} while (c);
@@ -180,7 +179,7 @@ static u32 *create_aout32_tables(char * p, struct linux_binprm * bprm)
 	current->mm->arg_end = current->mm->env_start = (unsigned long) p;
 	while (envc-->0) {
 		char c;
-		put_user(((u32)A(p)),envp++);
+		put_user(((u32)(unsigned long)(p)),envp++);
 		do {
 			get_user(c,p++);
 		} while (c);

arch/sparc64/kernel/entry.S

@@ -1697,12 +1697,12 @@ linux_sparc_syscall32:
 	 add		%sp, PTREGS_OFF, %o0
 	srl		%i0, 0, %o0
 #endif
-	mov		%i4, %o4				! IEU1
+	srl		%i4, 0, %o4				! IEU1
 	lduw		[%l7 + %l4], %l7			! Load
 	srl		%i1, 0, %o1				! IEU0	Group
 	ldx		[%curptr + TI_FLAGS], %l0		! Load
 
-	mov		%i5, %o5				! IEU1
+	srl		%i5, 0, %o5				! IEU1
 	srl		%i2, 0, %o2				! IEU0	Group
 	andcc		%l0, _TIF_SYSCALL_TRACE, %g0		! IEU0	Group
 	bne,pn		%icc, linux_syscall_trace32		! CTI

arch/sparc64/kernel/process.c

@@ -579,26 +579,26 @@ void fault_in_user_windows(void)
 	do_exit(SIGILL);
 }
 
-asmlinkage int sparc_do_fork(unsigned long clone_flags,
+asmlinkage long sparc_do_fork(unsigned long clone_flags,
 			      unsigned long stack_start,
 			      struct pt_regs *regs,
 			      unsigned long stack_size)
 {
-	unsigned long parent_tid_ptr, child_tid_ptr;
+	int __user *parent_tid_ptr, *child_tid_ptr;
 
 	clone_flags &= ~CLONE_IDLETASK;
 
-	parent_tid_ptr = regs->u_regs[UREG_I2];
-	child_tid_ptr = regs->u_regs[UREG_I4];
 	if (test_thread_flag(TIF_32BIT)) {
-		parent_tid_ptr &= 0xffffffff;
-		child_tid_ptr &= 0xffffffff;
+		parent_tid_ptr = compat_ptr(regs->u_regs[UREG_I2]);
+		child_tid_ptr = compat_ptr(regs->u_regs[UREG_I4]);
+	} else {
+		parent_tid_ptr = (int __user *) regs->u_regs[UREG_I2];
+		child_tid_ptr = (int __user *) regs->u_regs[UREG_I4];
 	}
 
 	return do_fork(clone_flags, stack_start,
 		       regs, stack_size,
-		       (int __user *) parent_tid_ptr,
-		       (int __user *) child_tid_ptr);
+		       parent_tid_ptr, child_tid_ptr);
 }
 
 /* Copy a Sparc thread.  The fork() return value conventions

arch/sparc64/kernel/signal32.c

@@ -1349,7 +1349,7 @@ asmlinkage int do_sys32_sigstack(u32 u_ssptr, u32 u_ossptr, unsigned long sp)
 	return ret;
 }
 
-asmlinkage int do_sys32_sigaltstack(u32 ussa, u32 uossa, unsigned long sp)
+asmlinkage long do_sys32_sigaltstack(u32 ussa, u32 uossa, unsigned long sp)
 {
 	stack_t uss, uoss;
 	u32 u_ss_sp = 0;

arch/sparc64/kernel/sunos_ioctl32.c

@@ -26,15 +26,6 @@
 #include <linux/compat.h>
 #include <asm/kbio.h>
 
-/* Use this to get at 32-bit user passed pointers. */
-#define A(__x)				\
-({	unsigned long __ret;		\
-	__asm__ ("srl	%0, 0, %0"	\
-		 : "=r" (__ret)		\
-		 : "0" (__x));		\
-	__ret;				\
-})
-
 #define SUNOS_NR_OPEN	256
 
 struct rtentry32 {
@@ -108,7 +99,7 @@ asmlinkage int sunos_ioctl (int fd, u32 cmd, u32 arg)
 		int ntty = N_TTY;
 		int tmp;
 
-		p = (int __user *)A(arg);
+		p = (int __user *) (unsigned long) arg;
 		ret = -EFAULT;
 		if(get_user(tmp, p))
 			goto out;
@@ -241,7 +232,7 @@ asmlinkage int sunos_ioctl (int fd, u32 cmd, u32 arg)
 		int oldval, newval, __user *ptr;
 
 		cmd = TIOCSPGRP;
-		ptr = (int __user *) A(arg);
+		ptr = (int __user *) (unsigned long) arg;
 		ret = -EFAULT;
 		if(get_user(oldval, ptr))
 			goto out;
@@ -260,7 +251,7 @@ asmlinkage int sunos_ioctl (int fd, u32 cmd, u32 arg)
 		int oldval, newval, __user *ptr;
 
 		cmd = TIOCGPGRP;
-		ptr = (int __user *) A(arg);
+		ptr = (int __user *) (unsigned long) arg;
 		ret = -EFAULT;
 		if(get_user(oldval, ptr))
 			goto out;

arch/sparc64/kernel/sys32.S

@@ -13,85 +13,135 @@
 
 	.text
 
-	.align		32
-	.globl		sys32_mmap
-sys32_mmap:
-	srl		%o4, 0, %o4
-	sethi		%hi(sys_mmap), %g1
-	jmpl		%g1 + %lo(sys_mmap), %g0
-	 srl		%o5, 0, %o5
+#define SIGN1(STUB,SYSCALL,REG1) \
+	.align	32; \
+	.globl	STUB; \
+STUB:	sethi	%hi(SYSCALL), %g1; \
+	jmpl	%g1 + %lo(SYSCALL), %g0; \
+	sra	REG1, 0, REG1
 
-	.align		32
-	.globl		sys32_lseek
-	.globl		sys32_chmod, sys32_mknod
-sys32_lseek:
-	sra		%o1, 0, %o1
-	sethi		%hi(sys_lseek), %g1
-	jmpl		%g1 + %lo(sys_lseek), %g0
-	 nop
-sys32_chmod:
-	sethi		%hi(0xffff), %g2
-	sethi		%hi(sys_chmod), %g1
-	orcc		%g2, %lo(0xffff), %g2
-	jmpl		%g1 + %lo(sys_chmod), %g0
-	 and		%o1, %g2, %o1
-sys32_mknod:
-	sethi		%hi(0xffff), %g2
-	sethi		%hi(sys_mknod), %g1
-	orcc		%g2, %lo(0xffff), %g2
-	jmpl		%g1 + %lo(sys_mknod), %g0
-	 and		%o2, %g2, %o2
+#define SIGN2(STUB,SYSCALL,REG1,REG2) \
+	.align	32; \
+	.globl	STUB; \
+STUB:	sethi	%hi(SYSCALL), %g1; \
+	sra	REG1, 0, REG1; \
+	jmpl	%g1 + %lo(SYSCALL), %g0; \
+	sra	REG2, 0, REG2
 
-	.align		32
-	.globl		sys32_sendto, sys32_recvfrom
-sys32_sendto:
-	sethi		%hi(sys_sendto), %g1
-	jmpl		%g1 + %lo(sys_sendto), %g0
-	 srl		%o4, 0, %o4
-sys32_recvfrom:
-	srl		%o4, 0, %o4
-	sethi		%hi(sys_recvfrom), %g1
-	jmpl		%g1 + %lo(sys_recvfrom), %g0
-	 srl		%o5, 0, %o5
+#define SIGN3(STUB,SYSCALL,REG1,REG2,REG3) \
+	.align	32; \
+	.globl	STUB; \
+STUB:	sra	REG1, 0, REG1; \
+	sethi	%hi(SYSCALL), %g1; \
+	sra	REG2, 0, REG2; \
+	jmpl	%g1 + %lo(SYSCALL), %g0; \
+	sra	REG3, 0, REG3
 
-	.globl		sys32_bdflush
-sys32_bdflush:
-	sethi		%hi(sys_bdflush), %g1
-	jmpl		%g1 + %lo(sys_bdflush), %g0
-	 sra		%o1, 0, %o1
+#define SIGN4(STUB,SYSCALL,REG1,REG2,REG3,REG4) \
+	.align	32; \
+	.globl	STUB; \
+STUB:	sra	REG1, 0, REG1; \
+	sethi	%hi(SYSCALL), %g1; \
+	sra	REG2, 0, REG2; \
+	sra	REG3, 0, REG3; \
+	jmpl	%g1 + %lo(SYSCALL), %g0; \
+	sra	REG4, 0, REG4
+
+SIGN1(sys32_exit, sparc_exit, %o0)
+SIGN1(sys32_exit_group, sys_exit_group, %o0)
+SIGN1(sys32_wait4, compat_sys_wait4, %o2)
+SIGN1(sys32_creat, sys_creat, %o1)
+SIGN1(sys32_mknod, sys_mknod, %o1)
+SIGN1(sys32_perfctr, sys_perfctr, %o0)
+SIGN1(sys32_umount, sys_umount, %o1)
+SIGN1(sys32_signal, sys_signal, %o0)
+SIGN1(sys32_access, sys_access, %o1)
+SIGN1(sys32_msync, sys_msync, %o2)
+SIGN2(sys32_reboot, sys_reboot, %o0, %o1)
+SIGN1(sys32_setitimer, compat_sys_setitimer, %o0)
+SIGN1(sys32_getitimer, compat_sys_getitimer, %o0)
+SIGN1(sys32_sethostname, sys_sethostname, %o1)
+SIGN1(sys32_swapon, sys_swapon, %o1)
+SIGN1(sys32_sigaction, compat_sys_sigaction, %o0)
+SIGN1(sys32_rt_sigaction, compat_sys_rt_sigaction, %o0)
+SIGN1(sys32_sigprocmask, compat_sys_sigprocmask, %o0)
+SIGN1(sys32_rt_sigprocmask, compat_sys_rt_sigprocmask, %o0)
+SIGN2(sys32_rt_sigqueueinfo, compat_sys_rt_sigqueueinfo, %o0, %o1)
+SIGN1(sys32_getrusage, compat_sys_getrusage, %o0)
+SIGN1(sys32_setxattr, sys_setxattr, %o4)
+SIGN1(sys32_lsetxattr, sys_lsetxattr, %o4)
+SIGN1(sys32_fsetxattr, sys_fsetxattr, %o4)
+SIGN1(sys32_fgetxattr, sys_fgetxattr, %o0)
+SIGN1(sys32_flistxattr, sys_flistxattr, %o0)
+SIGN1(sys32_fremovexattr, sys_fremovexattr, %o0)
+SIGN2(sys32_tkill, sys_tkill, %o0, %o1)
+SIGN1(sys32_epoll_create, sys_epoll_create, %o0)
+SIGN3(sys32_epoll_ctl, sys_epoll_ctl, %o0, %o1, %o2)
+SIGN3(sys32_epoll_wait, sys_epoll_wait, %o0, %o2, %o3)
+SIGN1(sys32_readahead, compat_sys_readahead, %o0)
+SIGN2(sys32_fadvise64, compat_sys_fadvise64, %o0, %o4)
+SIGN2(sys32_fadvise64_64, compat_sys_fadvise64_64, %o0, %o5)
+SIGN2(sys32_bdflush, sys_bdflush, %o0, %o1)
+SIGN1(sys32_mlockall, sys_mlockall, %o0)
+SIGN1(sys32_nfsservctl, compat_sys_nfsservctl, %o0)
+SIGN1(sys32_clock_settime, compat_clock_settime, %o1)
+SIGN1(sys32_clock_nanosleep, compat_clock_nanosleep, %o1)
+SIGN1(sys32_timer_settime, compat_timer_settime, %o1)
+SIGN1(sys32_io_submit, compat_sys_io_submit, %o1)
+SIGN1(sys32_mq_open, compat_sys_mq_open, %o1)
+SIGN1(sys32_select, compat_sys_select, %o0)
+SIGN1(sys32_mkdir, sys_mkdir, %o1)
+SIGN2(sys32_futex, compat_sys_futex, %o1, %o2)
+SIGN1(sys32_sysfs, compat_sys_sysfs, %o0)
+SIGN3(sys32_ipc, compat_sys_ipc, %o1, %o2, %o3)
+SIGN2(sys32_sendfile, compat_sys_sendfile, %o0, %o1)
+SIGN2(sys32_sendfile64, compat_sys_sendfile64, %o0, %o1)
+SIGN1(sys32_prctl, sys_prctl, %o0)
+SIGN1(sys32_sched_rr_get_interval, compat_sys_sched_rr_get_interval, %o0)
+SIGN2(sys32_waitpid, sys_waitpid, %o0, %o2)
+SIGN1(sys32_getgroups, sys_getgroups, %o0)
+SIGN1(sys32_getpgid, sys_getpgid, %o0)
+SIGN2(sys32_getpriority, sys_getpriority, %o0, %o1)
+SIGN1(sys32_getsid, sys_getsid, %o0)
+SIGN2(sys32_kill, sys_kill, %o0, %o1)
+SIGN1(sys32_nice, sys_nice, %o0)
+SIGN1(sys32_lseek, sys_lseek, %o1)
+SIGN2(sys32_open, sparc32_open, %o1, %o2)
+SIGN1(sys32_readlink, sys_readlink, %o2)
+SIGN1(sys32_sched_get_priority_max, sys_sched_get_priority_max, %o0)
+SIGN1(sys32_sched_get_priority_min, sys_sched_get_priority_min, %o0)
+SIGN1(sys32_sched_getparam, sys_sched_getparam, %o0)
+SIGN1(sys32_sched_getscheduler, sys_sched_getscheduler, %o0)
+SIGN1(sys32_sched_setparam, sys_sched_setparam, %o0)
+SIGN2(sys32_sched_setscheduler, sys_sched_setscheduler, %o0, %o1)
+SIGN1(sys32_getdomainname, sys_getdomainname, %o1)
+SIGN1(sys32_setdomainname, sys_setdomainname, %o1)
+SIGN1(sys32_setgroups, sys_setgroups, %o0)
+SIGN2(sys32_setpgid, sys_setpgid, %o0, %o1)
+SIGN3(sys32_setpriority, sys_setpriority, %o0, %o1, %o2)
+SIGN1(sys32_ssetmask, sys_ssetmask, %o0)
+SIGN2(sys32_syslog, sys_syslog, %o0, %o1)
+SIGN1(sys32_umask, sys_umask, %o0)
+SIGN3(sys32_tgkill, sys_tgkill, %o0, %o1, %o2)
+SIGN1(sys32_sendto, sys_sendto, %o0)
+SIGN1(sys32_recvfrom, sys_recvfrom, %o0)
+SIGN3(sys32_socket, sys_socket, %o0, %o1, %o2)
+SIGN2(sys32_connect, sys_connect, %o0, %o2)
+SIGN2(sys32_bind, sys_bind, %o0, %o2)
+SIGN2(sys32_listen, sys_listen, %o0, %o1)
+SIGN1(sys32_recvmsg, compat_sys_recvmsg, %o0)
+SIGN1(sys32_sendmsg, compat_sys_sendmsg, %o0)
+SIGN2(sys32_shutdown, sys_shutdown, %o0, %o1)
+SIGN3(sys32_socketpair, sys_socketpair, %o0, %o1, %o2)
+SIGN1(sys32_getpeername, sys_getpeername, %o0)
+SIGN1(sys32_getsockname, sys_getsockname, %o0)
 
-	.align		32
 	.globl		sys32_mmap2
 sys32_mmap2:
-	srl		%o4, 0, %o4
 	sethi		%hi(sys_mmap), %g1
-	srl		%o5, 0, %o5
 	jmpl		%g1 + %lo(sys_mmap), %g0
 	 sllx		%o5, 12, %o5
 
-	.globl		sys32_mq_timedsend
-sys32_mq_timedsend:
-	sethi		%hi(compat_sys_mq_timedsend), %g1
-	jmpl		%g1 + %lo(compat_sys_mq_timedsend), %g0
-	 srl		%o4, 0, %o4
-	.globl		sys32_mq_timedreceive
-sys32_mq_timedreceive:
-	sethi		%hi(compat_sys_mq_timedreceive), %g1
-	jmpl		%g1 + %lo(compat_sys_mq_timedreceive), %g0
-	 srl		%o4, 0, %o4
-
-	.globl		sys32_select
-sys32_select:
-	sethi		%hi(compat_sys_select), %g1
-	jmpl		%g1 + %lo(compat_sys_select), %g0
-	 srl		%o4, 0, %o4
-
-	.globl		sys32_futex
-sys32_futex:
-	sethi		%hi(compat_sys_futex), %g1
-	jmpl		%g1 + %lo(compat_sys_futex), %g0
-	 srl		%o4, 0, %o4
-
 	.align		32
 	.globl		sys32_socketcall
 sys32_socketcall:	/* %o0=call, %o1=args */
@@ -199,23 +249,23 @@ do_sys_recv: /* sys_recv(int, void *, size_t, unsigned int) */
 	 lduwa		[%o1 + 0x4] %asi, %o1
 	nop
 	nop
-do_sys_sendto: /* sys32_sendto(int, u32, compat_size_t, unsigned int, u32, int) */
+do_sys_sendto: /* sys_sendto(int, u32, compat_size_t, unsigned int, u32, int) */
 	ldswa		[%o1 + 0x0] %asi, %o0
-	sethi		%hi(sys32_sendto), %g1
+	sethi		%hi(sys_sendto), %g1
 	lduwa		[%o1 + 0x8] %asi, %o2
 	lduwa		[%o1 + 0xc] %asi, %o3
 	lduwa		[%o1 + 0x10] %asi, %o4
 	ldswa		[%o1 + 0x14] %asi, %o5
-	jmpl		%g1 + %lo(sys32_sendto), %g0
+	jmpl		%g1 + %lo(sys_sendto), %g0
 	 lduwa		[%o1 + 0x4] %asi, %o1
-do_sys_recvfrom: /* sys32_recvfrom(int, u32, compat_size_t, unsigned int, u32, u32) */
+do_sys_recvfrom: /* sys_recvfrom(int, u32, compat_size_t, unsigned int, u32, u32) */
 	ldswa		[%o1 + 0x0] %asi, %o0
-	sethi		%hi(sys32_recvfrom), %g1
+	sethi		%hi(sys_recvfrom), %g1
 	lduwa		[%o1 + 0x8] %asi, %o2
 	lduwa		[%o1 + 0xc] %asi, %o3
 	lduwa		[%o1 + 0x10] %asi, %o4
 	lduwa		[%o1 + 0x14] %asi, %o5
-	jmpl		%g1 + %lo(sys32_recvfrom), %g0
+	jmpl		%g1 + %lo(sys_recvfrom), %g0
 	 lduwa		[%o1 + 0x4] %asi, %o1
 do_sys_shutdown: /* sys_shutdown(int, int) */
 	ldswa		[%o1 + 0x0] %asi, %o0

arch/sparc64/kernel/sys_sparc.c

@@ -179,7 +179,7 @@ asmlinkage unsigned long sparc_brk(unsigned long brk)
  * sys_pipe() is the normal C calling standard for creating
  * a pipe. It's not the way unix traditionally does this, though.
  */
-asmlinkage int sparc_pipe(struct pt_regs *regs)
+asmlinkage long sparc_pipe(struct pt_regs *regs)
 {
 	int fd[2];
 	int error;
@@ -199,22 +199,22 @@ asmlinkage int sparc_pipe(struct pt_regs *regs)
  * This is really horribly ugly.
  */
 
-asmlinkage int sys_ipc (unsigned call, int first, int second, unsigned long third, void *ptr, long fifth)
+asmlinkage long sys_ipc(unsigned int call, int first, int second, unsigned long third, void __user *ptr, long fifth)
 {
 	int err;
 
 	/* No need for backward compatibility. We can start fresh... */
-
-	if (call <= SEMCTL)
+	if (call <= SEMCTL) {
 		switch (call) {
 		case SEMOP:
-			err = sys_semtimedop (first, (struct sembuf __user *)ptr, second, NULL);
+			err = sys_semtimedop(first, ptr, second, NULL);
 			goto out;
 		case SEMTIMEDOP:
-			err = sys_semtimedop (first, (struct sembuf __user *)ptr, second, (const struct timespec __user *) fifth);
+			err = sys_semtimedop(first, ptr, second,
+				(const struct timespec __user *) fifth);
 			goto out;
 		case SEMGET:
-			err = sys_semget (first, second, (int)third);
+			err = sys_semget(first, second, (int)third);
 			goto out;
 		case SEMCTL: {
 			union semun fourth;
@@ -222,79 +222,87 @@ asmlinkage int sys_ipc (unsigned call, int first, int second, unsigned long thir
 			if (!ptr)
 				goto out;
 			err = -EFAULT;
-			if (get_user(fourth.__pad, (void __user * __user *)ptr))
+			if (get_user(fourth.__pad,
+				     (void __user * __user *) ptr))
 				goto out;
-			err = sys_semctl (first, second | IPC_64, (int)third, fourth);
+			err = sys_semctl(first, second | IPC_64,
+					 (int)third, fourth);
 			goto out;
 		}
 		default:
 			err = -ENOSYS;
 			goto out;
+		};
 	}
-	if (call <= MSGCTL) 
+	if (call <= MSGCTL) {
 		switch (call) {
 		case MSGSND:
-			err = sys_msgsnd (first, (struct msgbuf __user *) ptr, 
-					  second, (int)third);
+			err = sys_msgsnd(first, ptr, second, (int)third);
 			goto out;
 		case MSGRCV:
-			err = sys_msgrcv (first, (struct msgbuf __user *) ptr, second, fifth, (int)third);
+			err = sys_msgrcv(first, ptr, second, fifth,
+					 (int)third);
 			goto out;
 		case MSGGET:
-			err = sys_msgget ((key_t) first, second);
+			err = sys_msgget((key_t) first, second);
 			goto out;
 		case MSGCTL:
-			err = sys_msgctl (first, second | IPC_64, (struct msqid_ds __user *) ptr);
+			err = sys_msgctl(first, second | IPC_64, ptr);
 			goto out;
 		default:
 			err = -ENOSYS;
 			goto out;
+		};
 	}
-	if (call <= SHMCTL) 
+	if (call <= SHMCTL) {
 		switch (call) {
 		case SHMAT: {
 			ulong raddr;
-			err = do_shmat (first, (char __user *) ptr, second, &raddr);
+			err = do_shmat(first, ptr, second, &raddr);
 			if (!err) {
-				if (put_user(raddr, (ulong __user *) third))
+				if (put_user(raddr,
+					     (ulong __user *) third))
 					err = -EFAULT;
 			}
 			goto out;
 		}
 		case SHMDT:
-			err = sys_shmdt ((char __user *)ptr);
+			err = sys_shmdt(ptr);
 			goto out;
 		case SHMGET:
-			err = sys_shmget (first, second, (int)third);
+			err = sys_shmget(first, second, (int)third);
 			goto out;
 		case SHMCTL:
-			err = sys_shmctl (first, second | IPC_64, (struct shmid_ds __user *) ptr);
+			err = sys_shmctl(first, second | IPC_64, ptr);
 			goto out;
 		default:
 			err = -ENOSYS;
 			goto out;
-		}
-	else
+		};
+	} else {
 		err = -ENOSYS;
+	}
 out:
 	return err;
 }
 
-asmlinkage int sparc64_newuname(struct new_utsname __user *name)
+asmlinkage long sparc64_newuname(struct new_utsname __user *name)
 {
 	int ret = sys_newuname(name);
 	
 	if (current->personality == PER_LINUX32 && !ret) {
-		ret = copy_to_user(name->machine, "sparc\0\0", 8) ? -EFAULT : 0;
+		ret = (copy_to_user(name->machine, "sparc\0\0", 8)
+		       ? -EFAULT : 0);
 	}
 	return ret;
 }
 
-asmlinkage int sparc64_personality(unsigned long personality)
+asmlinkage long sparc64_personality(unsigned long personality)
 {
 	int ret;
 
-	if (current->personality == PER_LINUX32 && personality == PER_LINUX)
+	if (current->personality == PER_LINUX32 &&
+	    personality == PER_LINUX)
 		personality = PER_LINUX32;
 	ret = sys_personality(personality);
 	if (ret == PER_LINUX32)
@@ -408,8 +416,7 @@ asmlinkage unsigned long sys64_mremap(unsigned long addr,
 }
 
 /* we come to here via sys_nis_syscall so it can setup the regs argument */
-asmlinkage unsigned long
-c_sys_nis_syscall (struct pt_regs *regs)
+asmlinkage unsigned long c_sys_nis_syscall(struct pt_regs *regs)
 {
 	static int count;
 	
@@ -427,8 +434,7 @@ c_sys_nis_syscall (struct pt_regs *regs)
 
 /* #define DEBUG_SPARC_BREAKPOINT */
 
-asmlinkage void
-sparc_breakpoint (struct pt_regs *regs)
+asmlinkage void sparc_breakpoint(struct pt_regs *regs)
 {
 	siginfo_t info;
 
@@ -452,7 +458,7 @@ sparc_breakpoint (struct pt_regs *regs)
 
 extern void check_pending(int signum);
 
-asmlinkage int sys_getdomainname(char __user *name, int len)
+asmlinkage long sys_getdomainname(char __user *name, int len)
 {
         int nlen;
 	int err = -EFAULT;
@@ -473,7 +479,7 @@ asmlinkage int sys_getdomainname(char __user *name, int len)
 	return err;
 }
 
-asmlinkage int solaris_syscall(struct pt_regs *regs)
+asmlinkage long solaris_syscall(struct pt_regs *regs)
 {
 	static int count;
 
@@ -493,7 +499,7 @@ asmlinkage int solaris_syscall(struct pt_regs *regs)
 }
 
 #ifndef CONFIG_SUNOS_EMUL
-asmlinkage int sunos_syscall(struct pt_regs *regs)
+asmlinkage long sunos_syscall(struct pt_regs *regs)
 {
 	static int count;
 
@@ -511,7 +517,7 @@ asmlinkage int sunos_syscall(struct pt_regs *regs)
 }
 #endif
 
-asmlinkage int sys_utrap_install(utrap_entry_t type,
+asmlinkage long sys_utrap_install(utrap_entry_t type,
 				  utrap_handler_t new_p,
 				  utrap_handler_t new_d,
 				  utrap_handler_t __user *old_p,
@@ -582,8 +588,7 @@ long sparc_memory_ordering(unsigned long model, struct pt_regs *regs)
 	return 0;
 }
 
-asmlinkage long
-sys_rt_sigaction(int sig,
+asmlinkage long sys_rt_sigaction(int sig,
 				 const struct sigaction __user *act,
 				 struct sigaction __user *oact,
 				 void __user *restorer,
@@ -615,8 +620,7 @@ sys_rt_sigaction(int sig,
 /* Invoked by rtrap code to update performance counters in
  * user space.
  */
-asmlinkage void
-update_perfctrs(void)
+asmlinkage void update_perfctrs(void)
 {
 	unsigned long pic, tmp;
 
@@ -628,8 +632,7 @@ update_perfctrs(void)
 	reset_pic();
 }
 
-asmlinkage int
-sys_perfctr(int opcode, unsigned long arg0, unsigned long arg1, unsigned long arg2)
+asmlinkage long sys_perfctr(int opcode, unsigned long arg0, unsigned long arg1, unsigned long arg2)
 {
 	int err = 0;
 

arch/sparc64/kernel/sys_sparc32.c

@@ -62,31 +62,6 @@
 #include <asm/semaphore.h>
 #include <asm/mmu_context.h>
 
-/* Use this to get at 32-bit user passed pointers. */
-/* Things to consider: the low-level assembly stub does
-   srl x, 0, x for first four arguments, so if you have
-   pointer to something in the first four arguments, just
-   declare it as a pointer, not u32. On the other side, 
-   arguments from 5th onwards should be declared as u32
-   for pointers, and need AA() around each usage.
-   A() macro should be used for places where you e.g.
-   have some internal variable u32 and just want to get
-   rid of a compiler warning. AA() has to be used in
-   places where you want to convert a function argument
-   to 32bit pointer or when you e.g. access pt_regs
-   structure and want to consider 32bit registers only.
-   -jj
- */
-#define A(__x) ((unsigned long)(__x))
-#define AA(__x)				\
-({	unsigned long __ret;		\
-	__asm__ ("srl	%0, 0, %0"	\
-		 : "=r" (__ret)		\
-		 : "0" (__x));		\
-	__ret;				\
-})
-
- 
 asmlinkage long sys32_chown16(const char __user * filename, u16 user, u16 group)
 {
 	return sys_chown(filename, low2highuid(user), low2highgid(group));
@@ -281,8 +256,7 @@ static inline long put_tv32(struct compat_timeval __user *o, struct timeval *i)
 
 struct msgbuf32 { s32 mtype; char mtext[1]; };
 
-struct ipc_perm32
-{
+struct ipc_perm32 {
 	key_t    	  key;
         compat_uid_t  uid;
         compat_gid_t  gid;
@@ -383,21 +357,22 @@ struct shmid64_ds32 {
  * This is really horribly ugly.
  */
 #define IPCOP_MASK(__x)	(1UL << ((__x)&~IPC_64))
-static int do_sys32_semctl(int first, int second, int third, void *uptr)
+static int do_sys32_semctl(int first, int second, int third,
+			   compat_uptr_t __user *uptr)
 {
 	union semun fourth;
-	u32 pad;
+	compat_uptr_t pad;
 	int err = -EINVAL;
 
 	if (!uptr)
 		goto out;
 	err = -EFAULT;
-	if (get_user (pad, (u32 __user *)uptr))
+	if (get_user(pad, uptr))
 		goto out;
 	if ((third & ~IPC_64) == SETVAL)
 		fourth.val = (int)pad;
 	else
-		fourth.__pad = (void __user *)A(pad);
+		fourth.__pad = compat_ptr(pad);
 	if (IPCOP_MASK (third) &
 	    (IPCOP_MASK (IPC_INFO) | IPCOP_MASK (SEM_INFO) | IPCOP_MASK (GETVAL) |
 	     IPCOP_MASK (GETPID) | IPCOP_MASK (GETNCNT) | IPCOP_MASK (GETZCNT) |
@@ -405,8 +380,7 @@ static int do_sys32_semctl(int first, int second, int third, void *uptr)
 		err = sys_semctl (first, second, third, fourth);
 	} else if (third & IPC_64) {
 		struct semid64_ds s;
-		struct semid64_ds32 __user *usp =
-			(struct semid64_ds32 __user *)A(pad);
+		struct semid64_ds32 __user *usp = compat_ptr(pad);
 		mm_segment_t old_fs;
 		int need_back_translation;
 
@@ -434,8 +408,7 @@ static int do_sys32_semctl(int first, int second, int third, void *uptr)
 		}
 	} else {
 		struct semid_ds s;
-		struct semid_ds32 __user *usp =
-			(struct semid_ds32 __user *)A(pad);
+		struct semid_ds32 __user *usp = compat_ptr(pad);
 		mm_segment_t old_fs;
 		int need_back_translation;
 
@@ -474,13 +447,15 @@ static int do_sys32_semctl(int first, int second, int third, void *uptr)
 	return err;
 }
 
-static int do_sys32_msgsnd (int first, int second, int third, void *uptr)
+static int do_sys32_msgsnd(int first, int second, int third,
+			   void __user *uptr)
 {
-	struct msgbuf *p = kmalloc (second + sizeof (struct msgbuf), GFP_USER);
-	struct msgbuf32 __user *up = (struct msgbuf32 __user *) uptr;
+	struct msgbuf32 __user *up = uptr;
+	struct msgbuf *p;
 	mm_segment_t old_fs;
 	int err;
 
+	p = kmalloc(second + sizeof (struct msgbuf), GFP_USER);
 	if (!p)
 		return -ENOMEM;
 	err = -EFAULT;
@@ -489,15 +464,16 @@ static int do_sys32_msgsnd (int first, int second, int third, void *uptr)
 		goto out;
 	old_fs = get_fs ();
 	set_fs (KERNEL_DS);
-	err = sys_msgsnd (first, (struct msgbuf __user *) p, second, third);
+	err = sys_msgsnd (first, (struct msgbuf __user *) p,
+			  second, third);
 	set_fs (old_fs);
 out:
 	kfree (p);
 	return err;
 }
 
-static int do_sys32_msgrcv (int first, int second, int msgtyp, int third,
-			    int version, void *uptr)
+static int do_sys32_msgrcv(int first, int second, int msgtyp, int third,
+			   int version, void __user *uptr)
 {
 	struct msgbuf32 __user *up;
 	struct msgbuf *p;
@@ -505,21 +481,21 @@ static int do_sys32_msgrcv (int first, int second, int msgtyp, int third,
 	int err;
 
 	if (!version) {
-		struct ipc_kludge __user *uipck =
-			(struct ipc_kludge __user *) uptr;
+		struct ipc_kludge __user *uipck = uptr;
 		struct ipc_kludge ipck;
 
 		err = -EINVAL;
 		if (!uptr)
 			goto out;
 		err = -EFAULT;
-		if (copy_from_user (&ipck, uipck, sizeof (struct ipc_kludge)))
+		if (copy_from_user (&ipck, uipck,
+				    sizeof (struct ipc_kludge)))
 			goto out;
-		uptr = (void *)A(ipck.msgp);
+		uptr = compat_ptr(ipck.msgp);
 		msgtyp = ipck.msgtyp;
 	}
 	err = -ENOMEM;
-	p = kmalloc (second + sizeof (struct msgbuf), GFP_USER);
+	p = kmalloc(second + sizeof (struct msgbuf), GFP_USER);
 	if (!p)
 		goto out;
 	old_fs = get_fs ();
@@ -529,7 +505,7 @@ static int do_sys32_msgrcv (int first, int second, int msgtyp, int third,
 	set_fs (old_fs);
 	if (err < 0)
 		goto free_then_out;
-	up = (struct msgbuf32 __user *) uptr;
+	up = uptr;
 	if (put_user (p->mtype, &up->mtype) ||
 	    __copy_to_user (&up->mtext, p->mtext, err))
 		err = -EFAULT;
@@ -539,39 +515,46 @@ static int do_sys32_msgrcv (int first, int second, int msgtyp, int third,
 	return err;
 }
 
-static int do_sys32_msgctl (int first, int second, void *uptr)
+static int do_sys32_msgctl(int first, int second, void __user *uptr)
 {
 	int err;
 
 	if (IPCOP_MASK (second) &
 	    (IPCOP_MASK (IPC_INFO) | IPCOP_MASK (MSG_INFO) |
 	     IPCOP_MASK (IPC_RMID))) {
-		err = sys_msgctl (first, second,
-				  (struct msqid_ds __user *)uptr);
+		err = sys_msgctl (first, second, uptr);
 	} else if (second & IPC_64) {
 		struct msqid64_ds m;
-		struct msqid64_ds32 __user *up =
-			(struct msqid64_ds32 __user *) uptr;
+		struct msqid64_ds32 __user *up = uptr;
 		mm_segment_t old_fs;
 
 		if (second == (IPC_SET|IPC_64)) {
-			err = get_user (m.msg_perm.uid, &up->msg_perm.uid);
-			err |= __get_user (m.msg_perm.gid, &up->msg_perm.gid);
-			err |= __get_user (m.msg_perm.mode, &up->msg_perm.mode);
-			err |= __get_user (m.msg_qbytes, &up->msg_qbytes);
+			err = get_user (m.msg_perm.uid,
+					&up->msg_perm.uid);
+			err |= __get_user (m.msg_perm.gid,
+					   &up->msg_perm.gid);
+			err |= __get_user (m.msg_perm.mode,
+					   &up->msg_perm.mode);
+			err |= __get_user (m.msg_qbytes,
+					   &up->msg_qbytes);
 			if (err)
 				goto out;
 		}
 		old_fs = get_fs ();
 		set_fs (KERNEL_DS);
-		err = sys_msgctl (first, second, (struct msqid_ds __user *)&m);
+		err = sys_msgctl(first, second,
+				 (struct msqid_ds __user *)&m);
 		set_fs (old_fs);
 		if (IPCOP_MASK (second) &
 		    (IPCOP_MASK (MSG_STAT) | IPCOP_MASK (IPC_STAT))) {
-			int err2 = copy_to_user(&up->msg_perm, &m.msg_perm, sizeof(struct ipc64_perm) + 3*sizeof(time_t));
-			err2 |= __put_user (m.msg_cbytes, &up->msg_cbytes);
+			int err2 = copy_to_user(&up->msg_perm,
+						&m.msg_perm,
+						(sizeof(struct ipc64_perm) + 3*sizeof(time_t)));
+			err2 |= __put_user (m.msg_cbytes,
+					    &up->msg_cbytes);
 			err2 |= __put_user (m.msg_qnum, &up->msg_qnum);
-			err2 |= __put_user (m.msg_qbytes, &up->msg_qbytes);
+			err2 |= __put_user (m.msg_qbytes,
+					    &up->msg_qbytes);
 			err2 |= __put_user (m.msg_lspid, &up->msg_lspid);
 			err2 |= __put_user (m.msg_lrpid, &up->msg_lrpid);
 			if (err2)
@@ -579,39 +562,52 @@ static int do_sys32_msgctl (int first, int second, void *uptr)
 		}
 	} else {
 		struct msqid_ds m;
-		struct msqid_ds32 __user *up =
-			(struct msqid_ds32 __user *)uptr;
+		struct msqid_ds32 __user *up = uptr;
 		mm_segment_t old_fs;
 
 		if (second == IPC_SET) {
-			err = get_user (m.msg_perm.uid, &up->msg_perm.uid);
-			err |= __get_user (m.msg_perm.gid, &up->msg_perm.gid);
-			err |= __get_user (m.msg_perm.mode, &up->msg_perm.mode);
-			err |= __get_user (m.msg_qbytes, &up->msg_qbytes);
+			err = get_user(m.msg_perm.uid,
+				       &up->msg_perm.uid);
+			err |= __get_user(m.msg_perm.gid,
+					  &up->msg_perm.gid);
+			err |= __get_user(m.msg_perm.mode,
+					  &up->msg_perm.mode);
+			err |= __get_user(m.msg_qbytes,
+					  &up->msg_qbytes);
 			if (err)
 				goto out;
 		}
 		old_fs = get_fs ();
 		set_fs (KERNEL_DS);
-		err = sys_msgctl (first, second, (struct msqid_ds __user *) &m);
+		err = sys_msgctl(first, second,
+				 (struct msqid_ds __user *) &m);
 		set_fs (old_fs);
 		if (IPCOP_MASK (second) &
 		    (IPCOP_MASK (MSG_STAT) | IPCOP_MASK (IPC_STAT))) {
-			int err2 = put_user (m.msg_perm.key, &up->msg_perm.key);
-			err2 |= __put_user (high2lowuid(m.msg_perm.uid), &up->msg_perm.uid);
-			err2 |= __put_user (high2lowgid(m.msg_perm.gid), &up->msg_perm.gid);
-			err2 |= __put_user (high2lowuid(m.msg_perm.cuid), &up->msg_perm.cuid);
-			err2 |= __put_user (high2lowgid(m.msg_perm.cgid), &up->msg_perm.cgid);
-			err2 |= __put_user (m.msg_perm.mode, &up->msg_perm.mode);
-			err2 |= __put_user (m.msg_perm.seq, &up->msg_perm.seq);
-			err2 |= __put_user (m.msg_stime, &up->msg_stime);
-			err2 |= __put_user (m.msg_rtime, &up->msg_rtime);
-			err2 |= __put_user (m.msg_ctime, &up->msg_ctime);
-			err2 |= __put_user (m.msg_cbytes, &up->msg_cbytes);
-			err2 |= __put_user (m.msg_qnum, &up->msg_qnum);
-			err2 |= __put_user (m.msg_qbytes, &up->msg_qbytes);
-			err2 |= __put_user (m.msg_lspid, &up->msg_lspid);
-			err2 |= __put_user (m.msg_lrpid, &up->msg_lrpid);
+			int err2 = put_user(m.msg_perm.key,
+					    &up->msg_perm.key);
+			err2 |= __put_user(high2lowuid(m.msg_perm.uid),
+					   &up->msg_perm.uid);
+			err2 |= __put_user(high2lowgid(m.msg_perm.gid),
+					   &up->msg_perm.gid);
+			err2 |= __put_user(high2lowuid(m.msg_perm.cuid),
+					   &up->msg_perm.cuid);
+			err2 |= __put_user(high2lowgid(m.msg_perm.cgid),
+					   &up->msg_perm.cgid);
+			err2 |= __put_user(m.msg_perm.mode,
+					   &up->msg_perm.mode);
+			err2 |= __put_user(m.msg_perm.seq,
+					   &up->msg_perm.seq);
+			err2 |= __put_user(m.msg_stime, &up->msg_stime);
+			err2 |= __put_user(m.msg_rtime, &up->msg_rtime);
+			err2 |= __put_user(m.msg_ctime, &up->msg_ctime);
+			err2 |= __put_user(m.msg_cbytes,
+					   &up->msg_cbytes);
+			err2 |= __put_user(m.msg_qnum, &up->msg_qnum);
+			err2 |= __put_user(m.msg_qbytes,
+					   &up->msg_qbytes);
+			err2 |= __put_user(m.msg_lspid, &up->msg_lspid);
+			err2 |= __put_user(m.msg_lrpid, &up->msg_lrpid);
 			if (err2)
 				err = -EFAULT;
 		}
@@ -624,7 +620,7 @@ static int do_sys32_msgctl (int first, int second, void *uptr)
 static int do_sys32_shmat (int first, int second, int third, int version, void __user *uptr)
 {
 	unsigned long raddr;
-	u32 __user *uaddr = (u32 __user *)A((u32)third);
+	u32 __user *uaddr = compat_ptr((compat_uptr_t)third);
 	int err = -EINVAL;
 
 	if (version == 1)
@@ -637,66 +633,75 @@ static int do_sys32_shmat (int first, int second, int third, int version, void _
 	return err;
 }
 
-static int do_sys32_shmctl (int first, int second, void *uptr)
+static int do_sys32_shmctl(int first, int second, void __user *uptr)
 {
 	int err;
 
 	if (IPCOP_MASK (second) &
-	    (IPCOP_MASK (IPC_INFO) | IPCOP_MASK (SHM_LOCK) | IPCOP_MASK (SHM_UNLOCK) |
-	     IPCOP_MASK (IPC_RMID))) {
-		if (second == (IPC_INFO|IPC_64))
-			second = IPC_INFO; /* So that we don't have to translate it */
-		err = sys_shmctl (first, second,
-				  (struct shmid_ds __user *) uptr);
+	    (IPCOP_MASK (IPC_INFO) | IPCOP_MASK (SHM_LOCK) |
+	     IPCOP_MASK (SHM_UNLOCK) | IPCOP_MASK (IPC_RMID))) {
+		if (second == (IPC_INFO|IPC_64)) {
+			/* So that we don't have to translate it */
+			second = IPC_INFO;
+		}
+		err = sys_shmctl(first, second, uptr);
 	} else if ((second & IPC_64) && second != (SHM_INFO|IPC_64)) {
 		struct shmid64_ds s;
-		struct shmid64_ds32 __user *up =
-			(struct shmid64_ds32 __user *) uptr;
+		struct shmid64_ds32 __user *up = uptr;
 		mm_segment_t old_fs;
 
 		if (second == (IPC_SET|IPC_64)) {
-			err = get_user (s.shm_perm.uid, &up->shm_perm.uid);
-			err |= __get_user (s.shm_perm.gid, &up->shm_perm.gid);
-			err |= __get_user (s.shm_perm.mode, &up->shm_perm.mode);
+			err = get_user(s.shm_perm.uid,
+				       &up->shm_perm.uid);
+			err |= __get_user(s.shm_perm.gid,
+					  &up->shm_perm.gid);
+			err |= __get_user(s.shm_perm.mode,
+					  &up->shm_perm.mode);
 			if (err)
 				goto out;
 		}
-		old_fs = get_fs ();
-		set_fs (KERNEL_DS);
-		err = sys_shmctl (first, second, (struct shmid_ds __user *)&s);
-		set_fs (old_fs);
+		old_fs = get_fs();
+		set_fs(KERNEL_DS);
+		err = sys_shmctl(first, second,
+				 (struct shmid_ds __user *)&s);
+		set_fs(old_fs);
 		if (err < 0)
 			goto out;
 
 		/* Mask it even in this case so it becomes a CSE. */
 		if (IPCOP_MASK (second) &
 		    (IPCOP_MASK (SHM_STAT) | IPCOP_MASK (IPC_STAT))) {
-			int err2 = copy_to_user (&up->shm_perm, &s.shm_perm, sizeof(struct ipc64_perm) + 3*sizeof(time_t));
-			err2 |= __put_user (s.shm_segsz, &up->shm_segsz);
-			err2 |= __put_user (s.shm_nattch, &up->shm_nattch);
-			err2 |= __put_user (s.shm_cpid, &up->shm_cpid);
-			err2 |= __put_user (s.shm_lpid, &up->shm_lpid);
+			int err2 = copy_to_user(&up->shm_perm,
+						&s.shm_perm,
+						sizeof(struct ipc64_perm) + 3*sizeof(time_t));
+			err2 |= __put_user(s.shm_segsz, &up->shm_segsz);
+			err2 |= __put_user(s.shm_nattch,&up->shm_nattch);
+			err2 |= __put_user(s.shm_cpid, &up->shm_cpid);
+			err2 |= __put_user(s.shm_lpid, &up->shm_lpid);
 			if (err2)
 				err = -EFAULT;
 		}
 	} else {
 		struct shmid_ds s;
-		struct shmid_ds32 __user *up =
-			(struct shmid_ds32 __user *) uptr;
+		struct shmid_ds32 __user *up = uptr;
 		mm_segment_t old_fs;
 
 		second &= ~IPC_64;
 		if (second == IPC_SET) {
-			err = get_user (s.shm_perm.uid, &up->shm_perm.uid);
-			err |= __get_user (s.shm_perm.gid, &up->shm_perm.gid);
-			err |= __get_user (s.shm_perm.mode, &up->shm_perm.mode);
+			err = get_user(s.shm_perm.uid,
+				       &up->shm_perm.uid);
+			err |= __get_user(s.shm_perm.gid,
+					  &up->shm_perm.gid);
+			err |= __get_user(s.shm_perm.mode,
+					  &up->shm_perm.mode);
 			if (err)
 				goto out;
 		}
-		old_fs = get_fs ();
-		set_fs (KERNEL_DS);
-		err = sys_shmctl (first, second, (struct shmid_ds __user *) &s);
-		set_fs (old_fs);
+		old_fs = get_fs();
+		set_fs(KERNEL_DS);
+		err = sys_shmctl(first, second,
+				 (struct shmid_ds __user *) &s);
+		set_fs(old_fs);
 		if (err < 0)
 			goto out;
 
@@ -707,33 +712,45 @@ static int do_sys32_shmctl (int first, int second, void *uptr)
 				u32 shm_tot, shm_rss, shm_swp;
 				u32 swap_attempts, swap_successes;
 			};
-			struct shm_info32 __user *uip =
-				(struct shm_info32 __user *) uptr;
-			struct shm_info *kp = (struct shm_info *)&s;
-			int err2 = put_user (kp->used_ids, &uip->used_ids);
-			err2 |= __put_user (kp->shm_tot, &uip->shm_tot);
-			err2 |= __put_user (kp->shm_rss, &uip->shm_rss);
-			err2 |= __put_user (kp->shm_swp, &uip->shm_swp);
-			err2 |= __put_user (kp->swap_attempts, &uip->swap_attempts);
-			err2 |= __put_user (kp->swap_successes, &uip->swap_successes);
+			struct shm_info32 __user *uip = uptr;
+			struct shm_info *kp = (struct shm_info *) &s;
+			int err2 = put_user(kp->used_ids,
+					    &uip->used_ids);
+			err2 |= __put_user(kp->shm_tot, &uip->shm_tot);
+			err2 |= __put_user(kp->shm_rss, &uip->shm_rss);
+			err2 |= __put_user(kp->shm_swp, &uip->shm_swp);
+			err2 |= __put_user(kp->swap_attempts,
+					   &uip->swap_attempts);
+			err2 |= __put_user(kp->swap_successes,
+					   &uip->swap_successes);
 			if (err2)
 				err = -EFAULT;
 		} else if (IPCOP_MASK (second) &
-			   (IPCOP_MASK (SHM_STAT) | IPCOP_MASK (IPC_STAT))) {
-			int err2 = put_user (s.shm_perm.key, &up->shm_perm.key);
-			err2 |= __put_user (high2lowuid(s.shm_perm.uid), &up->shm_perm.uid);
-			err2 |= __put_user (high2lowuid(s.shm_perm.gid), &up->shm_perm.gid);
-			err2 |= __put_user (high2lowuid(s.shm_perm.cuid), &up->shm_perm.cuid);
-			err2 |= __put_user (high2lowuid(s.shm_perm.cgid), &up->shm_perm.cgid);
-			err2 |= __put_user (s.shm_perm.mode, &up->shm_perm.mode);
-			err2 |= __put_user (s.shm_perm.seq, &up->shm_perm.seq);
-			err2 |= __put_user (s.shm_atime, &up->shm_atime);
-			err2 |= __put_user (s.shm_dtime, &up->shm_dtime);
-			err2 |= __put_user (s.shm_ctime, &up->shm_ctime);
-			err2 |= __put_user (s.shm_segsz, &up->shm_segsz);
-			err2 |= __put_user (s.shm_nattch, &up->shm_nattch);
-			err2 |= __put_user (s.shm_cpid, &up->shm_cpid);
-			err2 |= __put_user (s.shm_lpid, &up->shm_lpid);
+			   (IPCOP_MASK (SHM_STAT) |
+			    IPCOP_MASK (IPC_STAT))) {
+			int err2;
+
+			err2  = put_user(s.shm_perm.key,
+					 &up->shm_perm.key);
+			err2 |= __put_user(high2lowuid(s.shm_perm.uid),
+					   &up->shm_perm.uid);
+			err2 |= __put_user(high2lowuid(s.shm_perm.gid),
+					   &up->shm_perm.gid);
+			err2 |= __put_user(high2lowuid(s.shm_perm.cuid),
+					   &up->shm_perm.cuid);
+			err2 |= __put_user(high2lowuid(s.shm_perm.cgid),
+					   &up->shm_perm.cgid);
+			err2 |= __put_user(s.shm_perm.mode,
+					   &up->shm_perm.mode);
+			err2 |= __put_user(s.shm_perm.seq,
+					   &up->shm_perm.seq);
+			err2 |= __put_user(s.shm_atime, &up->shm_atime);
+			err2 |= __put_user(s.shm_dtime, &up->shm_dtime);
+			err2 |= __put_user(s.shm_ctime, &up->shm_ctime);
+			err2 |= __put_user(s.shm_segsz, &up->shm_segsz);
+			err2 |= __put_user(s.shm_nattch,&up->shm_nattch);
+			err2 |= __put_user(s.shm_cpid, &up->shm_cpid);
+			err2 |= __put_user(s.shm_lpid, &up->shm_lpid);
 			if (err2)
 				err = -EFAULT;
 		}
@@ -742,12 +759,14 @@ static int do_sys32_shmctl (int first, int second, void *uptr)
 	return err;
 }
 
-static int sys32_semtimedop(int semid, struct sembuf __user *tsems, int nsems,
+static int sys32_semtimedop(int semid, struct sembuf __user *tsems,
+		int nsems,
 		const struct compat_timespec __user *timeout32)
 {
 	struct compat_timespec t32;
-	struct timespec __user *t64 = compat_alloc_user_space(sizeof(*t64));
+	struct timespec __user *t64;
 
+	t64 = compat_alloc_user_space(sizeof(*t64));
 	if (copy_from_user(&t32, timeout32, sizeof(t32)))
 		return -EFAULT;
 
@@ -758,77 +777,81 @@ static int sys32_semtimedop(int semid, struct sembuf __user *tsems, int nsems,
 	return sys_semtimedop(semid, tsems, nsems, t64);
 }
 
-asmlinkage int sys32_ipc (u32 call, int first, int second, int third, u32 ptr, u32 fifth)
+asmlinkage long compat_sys_ipc(u32 call, int first, int second, int third, compat_uptr_t __ptr, u32 fifth)
 {
 	int version, err;
+	void __user *ptr = compat_ptr(__ptr);
 
 	version = call >> 16; /* hack for backward compatibility */
 	call &= 0xffff;
 
-	if (call <= SEMCTL)
+	if (call <= SEMCTL) {
 		switch (call) {
 		case SEMOP:
-			/* struct sembuf is the same on 32 and 64bit :)) */
-			err = sys_semtimedop (first, (struct sembuf __user *)AA(ptr), second, NULL);
+			/* struct sembuf is the same on 32 and 64 :)) */
+			err = sys_semtimedop (first, ptr, second, NULL);
 			goto out;
 		case SEMTIMEDOP:
-			err = sys32_semtimedop (first, (struct sembuf __user *)AA(ptr), second, (const struct compat_timespec __user *) AA(fifth));
+			err = sys32_semtimedop(first, ptr, second,
+					       compat_ptr(fifth));
 		case SEMGET:
-			err = sys_semget (first, second, third);
+			err = sys_semget(first, second, third);
 			goto out;
 		case SEMCTL:
-			err = do_sys32_semctl (first, second, third, (void *)AA(ptr));
+			err = do_sys32_semctl(first, second, third, ptr);
 			goto out;
 		default:
 			err = -ENOSYS;
 			goto out;
 		};
-	if (call <= MSGCTL) 
+	}
+	if (call <= MSGCTL) {
 		switch (call) {
 		case MSGSND:
-			err = do_sys32_msgsnd (first, second, third, (void *)AA(ptr));
+			err = do_sys32_msgsnd(first, second, third, ptr);
 			goto out;
 		case MSGRCV:
-			err = do_sys32_msgrcv (first, second, fifth, third,
-					       version, (void *)AA(ptr));
+			err = do_sys32_msgrcv(first, second, fifth,
+					      third, version, ptr);
 			goto out;
 		case MSGGET:
-			err = sys_msgget ((key_t) first, second);
+			err = sys_msgget((key_t) first, second);
 			goto out;
 		case MSGCTL:
-			err = do_sys32_msgctl (first, second, (void *)AA(ptr));
+			err = do_sys32_msgctl(first, second, ptr);
 			goto out;
 		default:
 			err = -ENOSYS;
 			goto out;
+		};
 	}
-	if (call <= SHMCTL) 
+	if (call <= SHMCTL) {
 		switch (call) {
 		case SHMAT:
-			err = do_sys32_shmat (first, second, third,
-					      version, (void __user *)AA(ptr));
+			err = do_sys32_shmat(first, second, third,
+					     version, ptr);
 			goto out;
 		case SHMDT: 
-			err = sys_shmdt ((char __user *)AA(ptr));
+			err = sys_shmdt(ptr);
 			goto out;
 		case SHMGET:
-			err = sys_shmget (first, second, third);
+			err = sys_shmget(first, second, third);
 			goto out;
 		case SHMCTL:
-			err = do_sys32_shmctl (first, second, (void *)AA(ptr));
+			err = do_sys32_shmctl(first, second, ptr);
 			goto out;
 		default:
 			err = -ENOSYS;
 			goto out;
+		};
 	}
-
 	err = -ENOSYS;
 
 out:
 	return err;
 }
 
-asmlinkage int sys32_truncate64(const char __user * path, unsigned long high, unsigned long low)
+asmlinkage long sys32_truncate64(const char __user * path, unsigned long high, unsigned long low)
 {
 	if ((int)high < 0)
 		return -EINVAL;
@@ -836,7 +859,7 @@ asmlinkage int sys32_truncate64(const char __user * path, unsigned long high, un
 		return sys_truncate(path, (high << 32) | low);
 }
 
-asmlinkage int sys32_ftruncate64(unsigned int fd, unsigned long high, unsigned long low)
+asmlinkage long sys32_ftruncate64(unsigned int fd, unsigned long high, unsigned long low)
 {
 	if ((int)high < 0)
 		return -EINVAL;
@@ -879,7 +902,7 @@ static int fillonedir(void * __buf, const char * name, int namlen,
 	return 0;
 }
 
-asmlinkage int old32_readdir(unsigned int fd, struct old_linux_dirent32 __user *dirent, unsigned int count)
+asmlinkage long old32_readdir(unsigned int fd, struct old_linux_dirent32 __user *dirent, unsigned int count)
 {
 	int error = -EBADF;
 	struct file * file;
@@ -943,7 +966,7 @@ static int filldir(void * __buf, const char * name, int namlen, loff_t offset, i
 	return 0;
 }
 
-asmlinkage int sys32_getdents(unsigned int fd, struct linux_dirent32 __user *dirent, unsigned int count)
+asmlinkage long sys32_getdents(unsigned int fd, struct linux_dirent32 __user *dirent, unsigned int count)
 {
 	struct file * file;
 	struct linux_dirent32 __user *lastdirent;
@@ -964,7 +987,7 @@ asmlinkage int sys32_getdents(unsigned int fd, struct linux_dirent32 __user *dir
 		goto out_putf;
 	lastdirent = buf.previous;
 	error = buf.error;
-	if(lastdirent) {
+	if (lastdirent) {
 		put_user(file->f_pos, &lastdirent->d_off);
 		error = count - buf.count;
 	}
@@ -1006,7 +1029,7 @@ int cp_compat_stat(struct kstat *stat, struct compat_stat __user *statbuf)
 	return err;
 }
 
-asmlinkage int sys32_sysfs(int option, u32 arg1, u32 arg2)
+asmlinkage long compat_sys_sysfs(int option, u32 arg1, u32 arg2)
 {
 	return sys_sysfs(option, arg1, arg2);
 }
@@ -1028,7 +1051,7 @@ struct sysinfo32 {
 	char _f[20-2*sizeof(int)-sizeof(int)];
 };
 
-asmlinkage int sys32_sysinfo(struct sysinfo32 __user *info)
+asmlinkage long sys32_sysinfo(struct sysinfo32 __user *info)
 {
 	struct sysinfo s;
 	int ret, err;
@@ -1075,7 +1098,7 @@ asmlinkage int sys32_sysinfo(struct sysinfo32 __user *info)
 	return ret;
 }
 
-asmlinkage int sys32_sched_rr_get_interval(compat_pid_t pid, struct compat_timespec __user *interval)
+asmlinkage long compat_sys_sched_rr_get_interval(compat_pid_t pid, struct compat_timespec __user *interval)
 {
 	struct timespec t;
 	int ret;
@@ -1089,7 +1112,10 @@ asmlinkage int sys32_sched_rr_get_interval(compat_pid_t pid, struct compat_times
 	return ret;
 }
 
-asmlinkage int sys32_rt_sigprocmask(int how, compat_sigset_t __user *set, compat_sigset_t __user *oset, compat_size_t sigsetsize)
+asmlinkage long compat_sys_rt_sigprocmask(int how,
+					  compat_sigset_t __user *set,
+					  compat_sigset_t __user *oset,
+					  compat_size_t sigsetsize)
 {
 	sigset_t s;
 	compat_sigset_t s32;
@@ -1126,7 +1152,8 @@ asmlinkage int sys32_rt_sigprocmask(int how, compat_sigset_t __user *set, compat
 	return 0;
 }
 
-asmlinkage int sys32_rt_sigpending(compat_sigset_t __user *set, compat_size_t sigsetsize)
+asmlinkage long sys32_rt_sigpending(compat_sigset_t __user *set,
+				    compat_size_t sigsetsize)
 {
 	sigset_t s;
 	compat_sigset_t s32;
@@ -1149,8 +1176,8 @@ asmlinkage int sys32_rt_sigpending(compat_sigset_t __user *set, compat_size_t si
 	return ret;
 }
 
-asmlinkage int
-sys32_rt_sigtimedwait(compat_sigset_t __user *uthese, siginfo_t32 __user *uinfo,
+asmlinkage long sys32_rt_sigtimedwait(compat_sigset_t __user *uthese,
+				      siginfo_t32 __user *uinfo,
 				      struct compat_timespec __user *uts,
 				      compat_size_t sigsetsize)
 {
@@ -1234,8 +1261,8 @@ sys32_rt_sigtimedwait(compat_sigset_t __user *uthese, siginfo_t32 __user *uinfo,
 	return ret;
 }
 
-asmlinkage int
-sys32_rt_sigqueueinfo(int pid, int sig, siginfo_t32 __user *uinfo)
+asmlinkage long compat_sys_rt_sigqueueinfo(int pid, int sig,
+					   siginfo_t32 __user *uinfo)
 {
 	siginfo_t info;
 	int ret;
@@ -1250,7 +1277,7 @@ sys32_rt_sigqueueinfo(int pid, int sig, siginfo_t32 __user *uinfo)
 	return ret;
 }
 
-asmlinkage int sys32_sigaction (int sig, struct old_sigaction32 __user *act,
+asmlinkage long compat_sys_sigaction(int sig, struct old_sigaction32 __user *act,
 				     struct old_sigaction32 __user *oact)
 {
         struct k_sigaction new_ka, old_ka;
@@ -1289,10 +1316,11 @@ asmlinkage int sys32_sigaction (int sig, struct old_sigaction32 __user *act,
 	return ret;
 }
 
-asmlinkage int
-sys32_rt_sigaction(int sig, struct sigaction32 __user *act,
+asmlinkage long compat_sys_rt_sigaction(int sig,
+					struct sigaction32 __user *act,
 					struct sigaction32 __user *oact,
-		   void __user *restorer, compat_size_t sigsetsize)
+					void __user *restorer,
+					compat_size_t sigsetsize)
 {
         struct k_sigaction new_ka, old_ka;
         int ret;
@@ -1351,7 +1379,7 @@ sys32_rt_sigaction(int sig, struct sigaction32 __user *act,
  * sparc32_execve() executes a new program after the asm stub has set
  * things up for us.  This should basically do what I want it to.
  */
-asmlinkage int sparc32_execve(struct pt_regs *regs)
+asmlinkage long sparc32_execve(struct pt_regs *regs)
 {
 	int error, base = 0;
 	char *filename;
@@ -1359,19 +1387,21 @@ asmlinkage int sparc32_execve(struct pt_regs *regs)
 	/* User register window flush is done by entry.S */
 
 	/* Check for indirect call. */
-        if((u32)regs->u_regs[UREG_G1] == 0)
+	if ((u32)regs->u_regs[UREG_G1] == 0)
 		base = 1;
 
-        filename = getname((char __user *)AA(regs->u_regs[base + UREG_I0]));
+	filename = getname(compat_ptr(regs->u_regs[base + UREG_I0]));
 	error = PTR_ERR(filename);
-        if(IS_ERR(filename))
+	if (IS_ERR(filename))
 		goto out;
+
 	error = compat_do_execve(filename,
-        	compat_ptr((u32)regs->u_regs[base + UREG_I1]),
-        	compat_ptr((u32)regs->u_regs[base + UREG_I2]), regs);
+				 compat_ptr(regs->u_regs[base + UREG_I1]),
+				 compat_ptr(regs->u_regs[base + UREG_I2]), regs);
+
 	putname(filename);
 
-	if(!error) {
+	if (!error) {
 		fprs_write(0);
 		current_thread_info()->xfsr[0] = 0;
 		current_thread_info()->fpsaved[0] = 0;
@@ -1384,13 +1414,13 @@ asmlinkage int sparc32_execve(struct pt_regs *regs)
 
 #ifdef CONFIG_MODULES
 
-asmlinkage int sys32_init_module(void __user *umod, u32 len,
+asmlinkage long sys32_init_module(void __user *umod, u32 len,
 				  const char __user *uargs)
 {
 	return sys_init_module(umod, len, uargs);
 }
 
-asmlinkage int sys32_delete_module(const char __user *name_user,
+asmlinkage long sys32_delete_module(const char __user *name_user,
 				    unsigned int flags)
 {
 	return sys_delete_module(name_user, flags);
@@ -1398,14 +1428,13 @@ asmlinkage int sys32_delete_module(const char __user *name_user,
 
 #else /* CONFIG_MODULES */
 
-asmlinkage int
-sys32_init_module(const char *name_user, struct module *mod_user)
+asmlinkage long sys32_init_module(const char __user *name_user,
+				  struct module __user *mod_user)
 {
 	return -ENOSYS;
 }
 
-asmlinkage int
-sys32_delete_module(const char *name_user)
+asmlinkage long sys32_delete_module(const char __user *name_user)
 {
 	return -ENOSYS;
 }
@@ -1417,7 +1446,7 @@ sys32_delete_module(const char *name_user)
 
 extern struct timezone sys_tz;
 
-asmlinkage int sys32_gettimeofday(struct compat_timeval __user *tv,
+asmlinkage long sys32_gettimeofday(struct compat_timeval __user *tv,
 				   struct timezone __user *tz)
 {
 	if (tv) {
@@ -1447,7 +1476,7 @@ static inline long get_ts32(struct timespec *o, struct compat_timeval __user *i)
 	return 0;
 }
 
-asmlinkage int sys32_settimeofday(struct compat_timeval __user *tv,
+asmlinkage long sys32_settimeofday(struct compat_timeval __user *tv,
 				   struct timezone __user *tz)
 {
 	struct timespec kts;
@@ -1465,7 +1494,7 @@ asmlinkage int sys32_settimeofday(struct compat_timeval __user *tv,
 	return do_sys_settimeofday(tv ? &kts : NULL, tz ? &ktz : NULL);
 }
 
-asmlinkage int sys32_utimes(char __user *filename,
+asmlinkage long sys32_utimes(char __user *filename,
 			     struct compat_timeval __user *tvs)
 {
 	struct timeval ktvs[2];
@@ -1480,74 +1509,61 @@ asmlinkage int sys32_utimes(char __user *filename,
 }
 
 /* These are here just in case some old sparc32 binary calls it. */
-asmlinkage int sys32_pause(void)
+asmlinkage long sys32_pause(void)
 {
 	current->state = TASK_INTERRUPTIBLE;
 	schedule();
 	return -ERESTARTNOHAND;
 }
 
-/* PCI config space poking. */
-
-asmlinkage int sys32_pciconfig_read(u32 bus, u32 dfn, u32 off, u32 len, u32 ubuf)
-{
-	return sys_pciconfig_read((unsigned long) bus,
-				  (unsigned long) dfn,
-				  (unsigned long) off,
-				  (unsigned long) len,
-				  (unsigned char __user *)AA(ubuf));
-}
-
-asmlinkage int sys32_pciconfig_write(u32 bus, u32 dfn, u32 off, u32 len, u32 ubuf)
-{
-	return sys_pciconfig_write((unsigned long) bus,
-				   (unsigned long) dfn,
-				   (unsigned long) off,
-				   (unsigned long) len,
-				   (unsigned char __user *)AA(ubuf));
-}
-
-asmlinkage int sys32_prctl(int option, u32 arg2, u32 arg3, u32 arg4, u32 arg5)
-{
-	return sys_prctl(option,
-			 (unsigned long) arg2,
-			 (unsigned long) arg3,
-			 (unsigned long) arg4,
-			 (unsigned long) arg5);
-}
-
-
-asmlinkage compat_ssize_t sys32_pread64(unsigned int fd, char __user *ubuf,
+asmlinkage compat_ssize_t sys32_pread64(unsigned int fd,
+					char __user *ubuf,
 					compat_size_t count,
-					u32 poshi, u32 poslo)
+					unsigned long poshi,
+					unsigned long poslo)
 {
-	return sys_pread64(fd, ubuf, count,
-			   ((loff_t)AA(poshi) << 32) | AA(poslo));
+	return sys_pread64(fd, ubuf, count, (poshi << 32) | poslo);
 }
 
-asmlinkage compat_ssize_t sys32_pwrite64(unsigned int fd, char __user *ubuf,
-				    compat_size_t count, u32 poshi, u32 poslo)
+asmlinkage compat_ssize_t sys32_pwrite64(unsigned int fd,
+					 char __user *ubuf,
+					 compat_size_t count,
+					 unsigned long poshi,
+					 unsigned long poslo)
 {
-	return sys_pwrite64(fd, ubuf, count, ((loff_t)AA(poshi) << 32) | AA(poslo));
+	return sys_pwrite64(fd, ubuf, count, (poshi << 32) | poslo);
 }
 
-asmlinkage compat_ssize_t sys32_readahead(int fd, u32 offhi, u32 offlo, s32 count)
+asmlinkage long compat_sys_readahead(int fd,
+				     unsigned long offhi,
+				     unsigned long offlo,
+				     compat_size_t count)
 {
-	return sys_readahead(fd, ((loff_t)AA(offhi) << 32) | AA(offlo), count);
+	return sys_readahead(fd, (offhi << 32) | offlo, count);
 }
 
-long sys32_fadvise64(int fd, u32 offhi, u32 offlo, s32 len, int advice)
+long compat_sys_fadvise64(int fd,
+			  unsigned long offhi,
+			  unsigned long offlo,
+			  compat_size_t len, int advice)
 {
-	return sys_fadvise64_64(fd, ((loff_t)AA(offhi)<<32)|AA(offlo), len, advice);
+	return sys_fadvise64_64(fd, (offhi << 32) | offlo, len, advice);
 }
 
-long sys32_fadvise64_64(int fd, u32 offhi, u32 offlo, u32 lenhi, u32 lenlo, int advice)
+long compat_sys_fadvise64_64(int fd,
+			     unsigned long offhi, unsigned long offlo,
+			     unsigned long lenhi, unsigned long lenlo,
+			     int advice)
 {
-	return sys_fadvise64_64(fd, ((loff_t)AA(offhi)<<32)|AA(offlo),
-				((loff_t)AA(lenhi)<<32)|AA(lenlo), advice);
+	return sys_fadvise64_64(fd,
+				(offhi << 32) | offlo,
+				(lenhi << 32) | lenlo,
+				advice);
 }
 
-asmlinkage int sys32_sendfile(int out_fd, int in_fd, compat_off_t __user *offset, s32 count)
+asmlinkage long compat_sys_sendfile(int out_fd, int in_fd,
+				    compat_off_t __user *offset,
+				    compat_size_t count)
 {
 	mm_segment_t old_fs = get_fs();
 	int ret;
@@ -1568,7 +1584,9 @@ asmlinkage int sys32_sendfile(int out_fd, int in_fd, compat_off_t __user *offset
 	return ret;
 }
 
-asmlinkage int sys32_sendfile64(int out_fd, int in_fd, compat_loff_t __user *offset, s32 count)
+asmlinkage long compat_sys_sendfile64(int out_fd, int in_fd,
+				      compat_loff_t __user *offset,
+				      compat_size_t count)
 {
 	mm_segment_t old_fs = get_fs();
 	int ret;
@@ -1606,14 +1624,14 @@ struct timex32 {
 
 extern int do_adjtimex(struct timex *);
 
-asmlinkage int sys32_adjtimex(struct timex32 __user *utp)
+asmlinkage long sys32_adjtimex(struct timex32 __user *utp)
 {
 	struct timex txc;
 	int ret;
 
 	memset(&txc, 0, sizeof(struct timex));
 
-	if(get_user(txc.modes, &utp->modes) ||
+	if (get_user(txc.modes, &utp->modes) ||
 	    __get_user(txc.offset, &utp->offset) ||
 	    __get_user(txc.freq, &utp->freq) ||
 	    __get_user(txc.maxerror, &utp->maxerror) ||
@@ -1637,7 +1655,7 @@ asmlinkage int sys32_adjtimex(struct timex32 __user *utp)
 
 	ret = do_adjtimex(&txc);
 
-	if(put_user(txc.modes, &utp->modes) ||
+	if (put_user(txc.modes, &utp->modes) ||
 	    __put_user(txc.offset, &utp->offset) ||
 	    __put_user(txc.freq, &utp->freq) ||
 	    __put_user(txc.maxerror, &utp->maxerror) ||
@@ -1666,7 +1684,8 @@ asmlinkage int sys32_adjtimex(struct timex32 __user *utp)
  * not force O_LARGEFILE on.
  */
 
-asmlinkage long sparc32_open(const char __user *filename, int flags, int mode)
+asmlinkage long sparc32_open(const char __user *filename,
+			     int flags, int mode)
 {
 	char * tmp;
 	int fd, error;
@@ -1703,7 +1722,7 @@ asmlinkage unsigned long sys32_mremap(unsigned long addr,
 {
 	struct vm_area_struct *vma;
 	unsigned long ret = -EINVAL;
-	unsigned long new_addr = AA(__new_addr);
+	unsigned long new_addr = __new_addr;
 
 	if (old_len > 0xf0000000UL || new_len > 0xf0000000UL)
 		goto out;
@@ -1744,13 +1763,6 @@ asmlinkage unsigned long sys32_mremap(unsigned long addr,
 	return ret;       
 }
 
-asmlinkage int sys_setpriority32(u32 which, u32 who, u32 niceval)
-{
-	return sys_setpriority((int) which,
-			       (int) who,
-			       (int) niceval);
-}
-
 struct __sysctl_args32 {
 	u32 name;
 	int nlen;
@@ -1781,21 +1793,24 @@ asmlinkage long sys32_sysctl(struct __sysctl_args32 __user *args)
 		   basically copy the whole sysctl.c here, and
 		   glibc's __sysctl uses rw memory for the structure
 		   anyway.  */
-		if (get_user(oldlen, (u32 __user *)A(tmp.oldlenp)) ||
+		if (get_user(oldlen, (u32 __user *)(unsigned long)tmp.oldlenp) ||
 		    put_user(oldlen, (size_t __user *)addr))
 			return -EFAULT;
 		oldlenp = (size_t __user *)addr;
 	}
 
 	lock_kernel();
-	error = do_sysctl((int __user *)A(tmp.name), tmp.nlen,
-			  (void __user *)A(tmp.oldval),
-			  oldlenp, (void __user *)A(tmp.newval), tmp.newlen);
+	error = do_sysctl((int __user *)(unsigned long) tmp.name,
+			  tmp.nlen,
+			  (void __user *)(unsigned long) tmp.oldval,
+			  oldlenp,
+			  (void __user *)(unsigned long) tmp.newval,
+			  tmp.newlen);
 	unlock_kernel();
 	if (oldlenp) {
 		if (!error) {
 			if (get_user(oldlen, (size_t __user *)addr) ||
-			    put_user(oldlen, (u32 __user *)A(tmp.oldlenp)))
+			    put_user(oldlen, (u32 __user *)(unsigned long) tmp.oldlenp))
 				error = -EFAULT;
 		}
 		copy_to_user(args->__unused, tmp.__unused, sizeof(tmp.__unused));
@@ -1804,10 +1819,11 @@ asmlinkage long sys32_sysctl(struct __sysctl_args32 __user *args)
 #endif
 }
 
-long sys32_lookup_dcookie(u32 cookie_high, u32 cookie_low,
+long sys32_lookup_dcookie(unsigned long cookie_high,
+			  unsigned long cookie_low,
 			  char __user *buf, size_t len)
 {
-	return sys_lookup_dcookie((u64)cookie_high << 32 | cookie_low,
+	return sys_lookup_dcookie((cookie_high << 32) | cookie_low,
 				  buf, len);
 }
 

arch/sparc64/kernel/sys_sunos32.c

@@ -59,15 +59,6 @@
 #include <net/sock.h>
 #include <net/compat.h>
 
-/* Use this to get at 32-bit user passed pointers. */
-#define A(__x)				\
-({	unsigned long __ret;		\
-	__asm__ ("srl	%0, 0, %0"	\
-		 : "=r" (__ret)		\
-		 : "0" (__x));		\
-	__ret;				\
-})
-
 #define SUNOS_NR_OPEN	256
 
 asmlinkage u32 sunos_mmap(u32 addr, u32 len, u32 prot, u32 flags, u32 fd, u32 off)
@@ -308,13 +299,12 @@ static int sunos_filldir(void * __buf, const char * name, int namlen,
 	return 0;
 }
 
-asmlinkage int sunos_getdents(unsigned int fd, u32 u_dirent, int cnt)
+asmlinkage int sunos_getdents(unsigned int fd, void __user *dirent, int cnt)
 {
 	struct file * file;
 	struct sunos_dirent __user *lastdirent;
 	struct sunos_dirent_callback buf;
 	int error = -EBADF;
-	void __user *dirent = (void __user *)A(u_dirent);
 
 	if (fd >= SUNOS_NR_OPEN)
 		goto out;
@@ -389,11 +379,11 @@ static int sunos_filldirentry(void * __buf, const char * name, int namlen,
 	return 0;
 }
 
-asmlinkage int sunos_getdirentries(unsigned int fd, u32 u_dirent,
-				   int cnt, u32 u_basep)
+asmlinkage int sunos_getdirentries(unsigned int fd,
+				   void __user *dirent,
+				   int cnt,
+				   unsigned int __user *basep)
 {
-	void __user *dirent = (void __user *) A(u_dirent);
-	unsigned int __user *basep = (unsigned int __user *)A(u_basep);
 	struct file * file;
 	struct sunos_direntry __user *lastdirent;
 	int error = -EBADF;
@@ -813,13 +803,12 @@ asmlinkage int sunos_setpgrp(pid_t pid, pid_t pgid)
 extern long compat_sys_wait4(compat_pid_t, compat_uint_t *, int,
 			     struct compat_rusage *);
 
-asmlinkage int sunos_wait4(compat_pid_t pid, u32 stat_addr, int options, u32 ru)
+asmlinkage int sunos_wait4(compat_pid_t pid, compat_uint_t __user *stat_addr, int options, struct compat_rusage __user *ru)
 {
 	int ret;
 
 	ret = compat_sys_wait4((pid ? pid : ((compat_pid_t)-1)),
-			       (compat_uint_t *)A(stat_addr), options,
-			       (struct compat_rusage *)A(ru));
+			       stat_addr, options, ru);
 	return ret;
 }
 
@@ -893,7 +882,7 @@ asmlinkage s32 sunos_sysconf (int name)
 	return ret;
 }
 
-asmlinkage int sunos_semsys(int op, u32 arg1, u32 arg2, u32 arg3, u32 ptr)
+asmlinkage int sunos_semsys(int op, u32 arg1, u32 arg2, u32 arg3, void __user *ptr)
 {
 	union semun arg4;
 	int ret;
@@ -919,7 +908,7 @@ asmlinkage int sunos_semsys(int op, u32 arg1, u32 arg2, u32 arg3, u32 ptr)
 		}
 		/* sys_semctl(): */
 		/* value to modify semaphore to */
-		arg4.__pad=(void __user *)A(ptr);
+		arg4.__pad = ptr;
 		ret = sys_semctl((int)arg1, (int)arg2, (int)arg3, arg4);
 		break;
 	case 1:
@@ -928,7 +917,7 @@ asmlinkage int sunos_semsys(int op, u32 arg1, u32 arg2, u32 arg3, u32 ptr)
 		break;
 	case 2:
 		/* sys_semop(): */
-		ret = sys_semop((int)arg1, (struct sembuf __user *)A(arg2),
+		ret = sys_semop((int)arg1, (struct sembuf __user *)(unsigned long)arg2,
 				(unsigned int) arg3);
 		break;
 	default:
@@ -1041,13 +1030,13 @@ asmlinkage int sunos_msgsys(int op, u32 arg1, u32 arg2, u32 arg3, u32 arg4)
 		rval = sys_msgget((key_t)arg1, (int)arg2);
 		break;
 	case 1:
-		if (!sunos_msqid_get((struct msqid_ds32 __user *)A(arg3), &kds)) {
+		if (!sunos_msqid_get((struct msqid_ds32 __user *)(unsigned long)arg3, &kds)) {
 			set_fs(KERNEL_DS);
 			rval = sys_msgctl((int)arg1, (int)arg2,
-					  (struct msqid_ds __user *)A(arg3));
+					  (struct msqid_ds __user *)(unsigned long)arg3);
 			set_fs(old_fs);
 			if (!rval)
-				rval = sunos_msqid_put((struct msqid_ds32 __user *)A(arg3),
+				rval = sunos_msqid_put((struct msqid_ds32 __user *)(unsigned long)arg3,
 						       &kds);
 		} else
 			rval = -EFAULT;
@@ -1071,7 +1060,7 @@ asmlinkage int sunos_msgsys(int op, u32 arg1, u32 arg2, u32 arg3, u32 arg4)
 				  (long)arg4, (int)arg5);
 		set_fs(old_fs);
 		if (!rval)
-			rval = sunos_msgbuf_put((struct msgbuf32 __user *)A(arg2),
+			rval = sunos_msgbuf_put((struct msgbuf32 __user *)(unsigned long)arg2,
 						kmbuf, arg3);
 		kfree(kmbuf);
 		break;
@@ -1079,7 +1068,7 @@ asmlinkage int sunos_msgsys(int op, u32 arg1, u32 arg2, u32 arg3, u32 arg4)
 		rval = -EFAULT;
 		kmbuf = (struct msgbuf *)kmalloc(sizeof(struct msgbuf) + arg3,
 						 GFP_KERNEL);
-		if (!kmbuf || sunos_msgbuf_get((struct msgbuf32 __user *)A(arg2),
+		if (!kmbuf || sunos_msgbuf_get((struct msgbuf32 __user *)(unsigned long)arg2,
 					       kmbuf, arg3))
 			break;
 		set_fs(KERNEL_DS);
@@ -1154,26 +1143,26 @@ asmlinkage int sunos_shmsys(int op, u32 arg1, u32 arg2, u32 arg3)
 	switch(op) {
 	case 0:
 		/* do_shmat(): attach a shared memory area */
-		rval = do_shmat((int)arg1,(char __user *)A(arg2),(int)arg3,&raddr);
+		rval = do_shmat((int)arg1,(char __user *)(unsigned long)arg2,(int)arg3,&raddr);
 		if (!rval)
 			rval = (int) raddr;
 		break;
 	case 1:
 		/* sys_shmctl(): modify shared memory area attr. */
-		if (!sunos_shmid_get((struct shmid_ds32 __user *)A(arg3), &ksds)) {
+		if (!sunos_shmid_get((struct shmid_ds32 __user *)(unsigned long)arg3, &ksds)) {
 			set_fs(KERNEL_DS);
 			rval = sys_shmctl((int) arg1,(int) arg2,
 					  (struct shmid_ds __user *) &ksds);
 			set_fs(old_fs);
 			if (!rval)
-				rval = sunos_shmid_put((struct shmid_ds32 __user *)A(arg3),
+				rval = sunos_shmid_put((struct shmid_ds32 __user *)(unsigned long)arg3,
 						       &ksds);
 		} else
 			rval = -EFAULT;
 		break;
 	case 2:
 		/* sys_shmdt(): detach a shared memory area */
-		rval = sys_shmdt((char __user *)A(arg1));
+		rval = sys_shmdt((char __user *)(unsigned long)arg1);
 		break;
 	case 3:
 		/* sys_shmget(): get a shared memory area */
@@ -1215,66 +1204,60 @@ static inline int check_nonblock(int ret, int fd)
 	return ret;
 }
 
-asmlinkage int sunos_read(unsigned int fd, u32 buf, u32 count)
+asmlinkage int sunos_read(unsigned int fd, char __user *buf, u32 count)
 {
 	int ret;
 
-	ret = check_nonblock(sys_read(fd, (char __user *)A(buf), count), fd);
+	ret = check_nonblock(sys_read(fd, buf, count), fd);
 	return ret;
 }
 
-asmlinkage int sunos_readv(u32 fd, u32 vector, s32 count)
+asmlinkage int sunos_readv(u32 fd, void __user *vector, s32 count)
 {
 	int ret;
 
-	ret = check_nonblock(compat_sys_readv(fd, (void __user *) A(vector),
-					      count), fd);
+	ret = check_nonblock(compat_sys_readv(fd, vector, count), fd);
 	return ret;
 }
 
-asmlinkage int sunos_write(unsigned int fd, u32 buf, u32 count)
+asmlinkage int sunos_write(unsigned int fd, char __user *buf, u32 count)
 {
 	int ret;
 
-	ret = check_nonblock(sys_write(fd, (char __user *)A(buf), count), fd);
+	ret = check_nonblock(sys_write(fd, buf, count), fd);
 	return ret;
 }
 
-asmlinkage int sunos_writev(u32 fd, u32 vector, s32 count)
+asmlinkage int sunos_writev(u32 fd, void __user *vector, s32 count)
 {
 	int ret;
 
-	ret = check_nonblock(compat_sys_writev(fd, (void __user *)A(vector),
-					       count), fd);
+	ret = check_nonblock(compat_sys_writev(fd, vector, count), fd);
 	return ret;
 }
 
-asmlinkage int sunos_recv(int fd, u32 ubuf, int size, unsigned flags)
+asmlinkage int sunos_recv(u32 __fd, void __user *ubuf, int size, unsigned flags)
 {
-	int ret;
+	int ret, fd = (int) __fd;
 
-	ret = check_nonblock(sys_recv(fd, (void __user *)A(ubuf),
-				      size, flags), fd);
+	ret = check_nonblock(sys_recv(fd, ubuf, size, flags), fd);
 	return ret;
 }
 
-asmlinkage int sunos_send(int fd, u32 buff, int len, unsigned flags)
+asmlinkage int sunos_send(u32 __fd, void __user *buff, int len, unsigned flags)
 {
-	int ret;
+	int ret, fd = (int) __fd;
 
-	ret = check_nonblock(sys_send(fd, (void __user *)A(buff),
-				      len, flags), fd);
+	ret = check_nonblock(sys_send(fd, buff, len, flags), fd);
 	return ret;
 }
 
-asmlinkage int sunos_accept(int fd, u32 sa, u32 addrlen)
+asmlinkage int sunos_accept(u32 __fd, struct sockaddr __user *sa, int __user *addrlen)
 {
-	int ret;
+	int ret, fd = (int) __fd;
 
 	while (1) {
-		ret = check_nonblock(sys_accept(fd,
-						(struct sockaddr __user *)A(sa),
-						(int __user *)A(addrlen)), fd);
+		ret = check_nonblock(sys_accept(fd, sa, addrlen), fd);
 		if (ret != -ENETUNREACH && ret != -EHOSTUNREACH)
 			break;
 	}
@@ -1283,7 +1266,9 @@ asmlinkage int sunos_accept(int fd, u32 sa, u32 addrlen)
 
 #define SUNOS_SV_INTERRUPT 2
 
-asmlinkage int sunos_sigaction (int sig, u32 act, u32 oact)
+asmlinkage int sunos_sigaction (int sig,
+				struct old_sigaction32 __user *act,
+				struct old_sigaction32 __user *oact)
 {
 	struct k_sigaction new_ka, old_ka;
 	int ret;
@@ -1292,11 +1277,11 @@ asmlinkage int sunos_sigaction (int sig, u32 act, u32 oact)
 		compat_old_sigset_t mask;
 		u32 u_handler;
 
-		if (get_user(u_handler, &((struct old_sigaction32 __user *)A(act))->sa_handler) ||
-		    __get_user(new_ka.sa.sa_flags, &((struct old_sigaction32 __user *)A(act))->sa_flags))
+		if (get_user(u_handler, &act->sa_handler) ||
+		    __get_user(new_ka.sa.sa_flags, &act->sa_flags))
 			return -EFAULT;
 		new_ka.sa.sa_handler = (void *) (long) u_handler;
-		__get_user(mask, &((struct old_sigaction32 __user *)A(act))->sa_mask);
+		__get_user(mask, &act->sa_mask);
 		new_ka.sa.sa_restorer = NULL;
 		new_ka.ka_restorer = NULL;
 		siginitset(&new_ka.sa.sa_mask, mask);
@@ -1307,18 +1292,22 @@ asmlinkage int sunos_sigaction (int sig, u32 act, u32 oact)
 
 	if (!ret && oact) {
 		old_ka.sa.sa_flags ^= SUNOS_SV_INTERRUPT;
-		if (put_user((long)old_ka.sa.sa_handler, &((struct old_sigaction32 __user *)A(oact))->sa_handler) ||
-		    __put_user(old_ka.sa.sa_flags, &((struct old_sigaction32 __user *)A(oact))->sa_flags))
+		if (put_user((long)old_ka.sa.sa_handler, &oact->sa_handler) ||
+		    __put_user(old_ka.sa.sa_flags, &oact->sa_flags))
 			return -EFAULT;
-		__put_user(old_ka.sa.sa_mask.sig[0], &((struct old_sigaction32 __user *)A(oact))->sa_mask);
+		__put_user(old_ka.sa.sa_mask.sig[0], &oact->sa_mask);
 	}
 
 	return ret;
 }
 
-asmlinkage int sunos_setsockopt(int fd, int level, int optname, u32 optval,
-				int optlen)
+asmlinkage int sunos_setsockopt(u32 __fd, u32 __level, u32 __optname,
+				char __user *optval, u32 __optlen)
 {
+	int fd = (int) __fd;
+	int level = (int) __level;
+	int optname = (int) __optname;
+	int optlen = (int) __optlen;
 	int tr_opt = optname;
 	int ret;
 
@@ -1328,13 +1317,16 @@ asmlinkage int sunos_setsockopt(int fd, int level, int optname, u32 optval,
 			tr_opt += 30;
 	}
 	ret = sys_setsockopt(fd, level, tr_opt,
-			     (char __user *)A(optval), optlen);
+			     optval, optlen);
 	return ret;
 }
 
-asmlinkage int sunos_getsockopt(int fd, int level, int optname,
-				u32 optval, u32 optlen)
+asmlinkage int sunos_getsockopt(u32 __fd, u32 __level, u32 __optname,
+				char __user *optval, int __user *optlen)
 {
+	int fd = (int) __fd;
+	int level = (int) __level;
+	int optname = (int) __optname;
 	int tr_opt = optname;
 	int ret;
 
@@ -1344,7 +1336,6 @@ asmlinkage int sunos_getsockopt(int fd, int level, int optname,
 			tr_opt += 30;
 	}
 	ret = compat_sys_getsockopt(fd, level, tr_opt,
-				    (void __user *)(unsigned long) optval,
-				    (void __user *)(unsigned long) optlen);
+				    optval, optlen);
 	return ret;
 }

arch/sparc64/kernel/systbls.S

@@ -19,62 +19,62 @@
 
 	.globl sys_call_table32
 sys_call_table32:
-/*0*/	.word sys_restart_syscall, sparc_exit, sys_fork, sys_read, sys_write
-/*5*/	.word sparc32_open, sys_close, compat_sys_wait4, sys_creat, sys_link
+/*0*/	.word sys_restart_syscall, sys32_exit, sys_fork, sys_read, sys_write
+/*5*/	.word sys32_open, sys_close, sys32_wait4, sys32_creat, sys_link
 /*10*/  .word sys_unlink, sunos_execv, sys_chdir, sys32_chown16, sys32_mknod
-/*15*/	.word sys32_chmod, sys32_lchown16, sparc_brk, sys_perfctr, sys32_lseek
+/*15*/	.word sys_chmod, sys32_lchown16, sparc_brk, sys32_perfctr, sys32_lseek
 /*20*/	.word sys_getpid, sys_capget, sys_capset, sys32_setuid16, sys32_getuid16
 /*25*/	.word sys_time, sys_ptrace, sys_alarm, sys32_sigaltstack, sys32_pause
-/*30*/	.word compat_sys_utime, sys_lchown, sys_fchown, sys_access, sys_nice
-	.word sys_chown, sys_sync, sys_kill, compat_sys_newstat, sys32_sendfile
+/*30*/	.word compat_sys_utime, sys_lchown, sys_fchown, sys32_access, sys32_nice
+	.word sys_chown, sys_sync, sys32_kill, compat_sys_newstat, sys32_sendfile
 /*40*/	.word compat_sys_newlstat, sys_dup, sys_pipe, compat_sys_times, sys_getuid
-	.word sys_umount, sys32_setgid16, sys32_getgid16, sys_signal, sys32_geteuid16
+	.word sys32_umount, sys32_setgid16, sys32_getgid16, sys32_signal, sys32_geteuid16
 /*50*/	.word sys32_getegid16, sys_acct, sys_nis_syscall, sys_getgid, compat_sys_ioctl
-	.word sys_reboot, sys32_mmap2, sys_symlink, sys_readlink, sys32_execve
-/*60*/	.word sys_umask, sys_chroot, compat_sys_newfstat, sys_fstat64, sys_getpagesize
-	.word sys_msync, sys_vfork, sys32_pread64, sys32_pwrite64, sys_geteuid
-/*70*/	.word sys_getegid, sys32_mmap, sys_setreuid, sys_munmap, sys_mprotect
+	.word sys32_reboot, sys32_mmap2, sys_symlink, sys32_readlink, sys32_execve
+/*60*/	.word sys32_umask, sys_chroot, compat_sys_newfstat, sys_fstat64, sys_getpagesize
+	.word sys32_msync, sys_vfork, sys32_pread64, sys32_pwrite64, sys_geteuid
+/*70*/	.word sys_getegid, sys_mmap, sys_setreuid, sys_munmap, sys_mprotect
 	.word sys_madvise, sys_vhangup, sys32_truncate64, sys_mincore, sys32_getgroups16
-/*80*/	.word sys32_setgroups16, sys_getpgrp, sys_setgroups, compat_sys_setitimer, sys32_ftruncate64
-	.word sys_swapon, compat_sys_getitimer, sys_setuid, sys_sethostname, sys_setgid
+/*80*/	.word sys32_setgroups16, sys_getpgrp, sys32_setgroups, sys32_setitimer, sys32_ftruncate64
+	.word sys32_swapon, sys32_getitimer, sys_setuid, sys32_sethostname, sys_setgid
 /*90*/	.word sys_dup2, sys_setfsuid, compat_sys_fcntl, sys32_select, sys_setfsgid
-	.word sys_fsync, sys_setpriority32, sys_nis_syscall, sys_nis_syscall, sys_nis_syscall
-/*100*/ .word sys_getpriority, sys32_rt_sigreturn, sys32_rt_sigaction, sys32_rt_sigprocmask, sys32_rt_sigpending
+	.word sys_fsync, sys32_setpriority, sys_nis_syscall, sys_nis_syscall, sys_nis_syscall
+/*100*/ .word sys32_getpriority, sys32_rt_sigreturn, sys32_rt_sigaction, sys32_rt_sigprocmask, sys32_rt_sigpending
 	.word sys32_rt_sigtimedwait, sys32_rt_sigqueueinfo, sys32_rt_sigsuspend, sys_setresuid, sys_getresuid
 /*110*/	.word sys_setresgid, sys_getresgid, sys_setregid, sys_nis_syscall, sys_nis_syscall
-	.word sys_getgroups, sys32_gettimeofday, compat_sys_getrusage, sys_nis_syscall, sys_getcwd
+	.word sys32_getgroups, sys32_gettimeofday, sys32_getrusage, sys_nis_syscall, sys_getcwd
 /*120*/	.word compat_sys_readv, compat_sys_writev, sys32_settimeofday, sys32_fchown16, sys_fchmod
 	.word sys_nis_syscall, sys32_setreuid16, sys32_setregid16, sys_rename, sys_truncate
 /*130*/	.word sys_ftruncate, sys_flock, sys_lstat64, sys_nis_syscall, sys_nis_syscall
-	.word sys_nis_syscall, sys_mkdir, sys_rmdir, sys32_utimes, sys_stat64
+	.word sys_nis_syscall, sys32_mkdir, sys_rmdir, sys32_utimes, sys_stat64
 /*140*/	.word sys32_sendfile64, sys_nis_syscall, sys32_futex, sys_gettid, compat_sys_getrlimit
-	.word compat_sys_setrlimit, sys_pivot_root, sys32_prctl, sys32_pciconfig_read, sys32_pciconfig_write
+	.word compat_sys_setrlimit, sys_pivot_root, sys32_prctl, sys_pciconfig_read, sys_pciconfig_write
 /*150*/	.word sys_nis_syscall, sys_nis_syscall, sys_nis_syscall, sys_poll, sys_getdents64
 	.word compat_sys_fcntl64, sys_ni_syscall, compat_sys_statfs, compat_sys_fstatfs, sys_oldumount
-/*160*/	.word compat_sys_sched_setaffinity, compat_sys_sched_getaffinity, sys_getdomainname, sys_setdomainname, sys_nis_syscall
-	.word sys_quotactl, sys_set_tid_address, compat_sys_mount, sys_ustat, sys_setxattr
-/*170*/	.word sys_lsetxattr, sys_fsetxattr, sys_getxattr, sys_lgetxattr, sys32_getdents
-	.word sys_setsid, sys_fchdir, sys_fgetxattr, sys_listxattr, sys_llistxattr
-/*180*/	.word sys_flistxattr, sys_removexattr, sys_lremovexattr, compat_sys_sigpending, sys_ni_syscall
-	.word sys_setpgid, sys_fremovexattr, sys_tkill, sys_exit_group, sparc64_newuname
-/*190*/	.word sys32_init_module, sparc64_personality, sys_remap_file_pages, sys_epoll_create, sys_epoll_ctl
-	.word sys_epoll_wait, sys_nis_syscall, sys_getppid, sys32_sigaction, sys_sgetmask
-/*200*/	.word sys_ssetmask, sys_sigsuspend, compat_sys_newlstat, sys_uselib, old32_readdir
-	.word sys32_readahead, sys32_socketcall, sys_syslog, sys32_lookup_dcookie, sys32_fadvise64
-/*210*/	.word sys32_fadvise64_64, sys_tgkill, sys_waitpid, sys_swapoff, sys32_sysinfo
+/*160*/	.word compat_sys_sched_setaffinity, compat_sys_sched_getaffinity, sys32_getdomainname, sys32_setdomainname, sys_nis_syscall
+	.word sys_quotactl, sys_set_tid_address, compat_sys_mount, sys_ustat, sys32_setxattr
+/*170*/	.word sys32_lsetxattr, sys32_fsetxattr, sys_getxattr, sys_lgetxattr, sys32_getdents
+	.word sys_setsid, sys_fchdir, sys32_fgetxattr, sys_listxattr, sys_llistxattr
+/*180*/	.word sys32_flistxattr, sys_removexattr, sys_lremovexattr, compat_sys_sigpending, sys_ni_syscall
+	.word sys32_setpgid, sys32_fremovexattr, sys32_tkill, sys32_exit_group, sparc64_newuname
+/*190*/	.word sys32_init_module, sparc64_personality, sys_remap_file_pages, sys32_epoll_create, sys32_epoll_ctl
+	.word sys32_epoll_wait, sys_nis_syscall, sys_getppid, sys32_sigaction, sys_sgetmask
+/*200*/	.word sys32_ssetmask, sys_sigsuspend, compat_sys_newlstat, sys_uselib, old32_readdir
+	.word sys32_readahead, sys32_socketcall, sys32_syslog, sys32_lookup_dcookie, sys32_fadvise64
+/*210*/	.word sys32_fadvise64_64, sys32_tgkill, sys32_waitpid, sys_swapoff, sys32_sysinfo
 	.word sys32_ipc, sys32_sigreturn, sys_clone, sys_nis_syscall, sys32_adjtimex
-/*220*/	.word compat_sys_sigprocmask, sys_ni_syscall, sys32_delete_module, sys_ni_syscall, sys_getpgid
+/*220*/	.word sys32_sigprocmask, sys_ni_syscall, sys32_delete_module, sys_ni_syscall, sys32_getpgid
 	.word sys32_bdflush, sys32_sysfs, sys_nis_syscall, sys32_setfsuid16, sys32_setfsgid16
 /*230*/	.word sys32_select, sys_time, sys_nis_syscall, sys_stime, compat_statfs64
-	.word compat_fstatfs64, sys_llseek, sys_mlock, sys_munlock, sys_mlockall
-/*240*/	.word sys_munlockall, sys_sched_setparam, sys_sched_getparam, sys_sched_setscheduler, sys_sched_getscheduler
-	.word sys_sched_yield, sys_sched_get_priority_max, sys_sched_get_priority_min, sys32_sched_rr_get_interval, compat_sys_nanosleep
-/*250*/	.word sys32_mremap, sys32_sysctl, sys_getsid, sys_fdatasync, compat_sys_nfsservctl
-	.word sys_ni_syscall, compat_clock_settime, compat_clock_gettime, compat_clock_getres, compat_clock_nanosleep
-/*260*/	.word compat_sys_sched_getaffinity, compat_sys_sched_setaffinity, compat_timer_settime, compat_timer_gettime, sys_timer_getoverrun
+	.word compat_fstatfs64, sys_llseek, sys_mlock, sys_munlock, sys32_mlockall
+/*240*/	.word sys_munlockall, sys32_sched_setparam, sys32_sched_getparam, sys32_sched_setscheduler, sys32_sched_getscheduler
+	.word sys_sched_yield, sys32_sched_get_priority_max, sys32_sched_get_priority_min, sys32_sched_rr_get_interval, compat_sys_nanosleep
+/*250*/	.word sys32_mremap, sys32_sysctl, sys32_getsid, sys_fdatasync, sys32_nfsservctl
+	.word sys_ni_syscall, sys32_clock_settime, compat_clock_gettime, compat_clock_getres, sys32_clock_nanosleep
+/*260*/	.word compat_sys_sched_getaffinity, compat_sys_sched_setaffinity, sys32_timer_settime, compat_timer_gettime, sys_timer_getoverrun
 	.word sys_timer_delete, sys32_timer_create, sys_ni_syscall, compat_sys_io_setup, sys_io_destroy
-/*270*/	.word compat_sys_io_submit, sys_io_cancel, compat_sys_io_getevents, compat_sys_mq_open, sys_mq_unlink
-	.word sys32_mq_timedsend, sys32_mq_timedreceive, compat_sys_mq_notify, compat_sys_mq_getsetattr, sys_ni_syscall
+/*270*/	.word sys32_io_submit, sys_io_cancel, compat_sys_io_getevents, sys32_mq_open, sys_mq_unlink
+	.word sys_mq_timedsend, sys_mq_timedreceive, compat_sys_mq_notify, compat_sys_mq_getsetattr, sys_ni_syscall
 /*280*/	.word sys_ni_syscall, sys_ni_syscall, sys_ni_syscall
 
 	/* Now the 64-bit native Linux syscall table. */
@@ -148,12 +148,12 @@ sys_call_table:
 	.align 4
 	.globl sunos_sys_table
 sunos_sys_table:
-/*0*/	.word sunos_indir, sparc_exit, sys_fork
+/*0*/	.word sunos_indir, sys32_exit, sys_fork
 	.word sunos_read, sunos_write, sunos_open
 	.word sys_close, sunos_wait4, sys_creat
 	.word sys_link, sys_unlink, sunos_execv
 	.word sys_chdir, sunos_nosys, sys32_mknod
-	.word sys32_chmod, sys32_lchown16, sunos_brk
+	.word sys_chmod, sys32_lchown16, sunos_brk
 	.word sunos_nosys, sys32_lseek, sunos_getpid
 	.word sunos_nosys, sunos_nosys, sunos_nosys
 	.word sunos_getuid, sunos_nosys, sys_ptrace
@@ -180,26 +180,26 @@ sunos_sys_table:
 	.word compat_sys_getitimer, sys_gethostname, sys_sethostname
 	.word sunos_getdtablesize, sys_dup2, sunos_nop
 	.word compat_sys_fcntl, sunos_select, sunos_nop
-	.word sys_fsync, sys_setpriority32, sys_socket
-	.word sys_connect, sunos_accept
+	.word sys_fsync, sys32_setpriority, sys32_socket
+	.word sys32_connect, sunos_accept
 /*100*/	.word sys_getpriority, sunos_send, sunos_recv
-	.word sunos_nosys, sys_bind, sunos_setsockopt
-	.word sys_listen, sunos_nosys, sunos_sigaction
+	.word sunos_nosys, sys32_bind, sunos_setsockopt
+	.word sys32_listen, sunos_nosys, sunos_sigaction
 	.word sunos_sigblock, sunos_sigsetmask, sys_sigpause
-	.word sys32_sigstack, compat_sys_recvmsg, compat_sys_sendmsg
+	.word sys32_sigstack, sys32_recvmsg, sys32_sendmsg
 	.word sunos_nosys, sys32_gettimeofday, compat_sys_getrusage
 	.word sunos_getsockopt, sunos_nosys, sunos_readv
 	.word sunos_writev, sys32_settimeofday, sys32_fchown16
 	.word sys_fchmod, sys32_recvfrom, sys32_setreuid16
 	.word sys32_setregid16, sys_rename, sys_truncate
 	.word sys_ftruncate, sys_flock, sunos_nosys
-	.word sys32_sendto, sys_shutdown, sys_socketpair
+	.word sys32_sendto, sys32_shutdown, sys32_socketpair
 	.word sys_mkdir, sys_rmdir, sys32_utimes
-	.word sys32_sigreturn, sunos_nosys, sys_getpeername
+	.word sys32_sigreturn, sunos_nosys, sys32_getpeername
 	.word sunos_gethostid, sunos_nosys, compat_sys_getrlimit
 	.word compat_sys_setrlimit, sunos_killpg, sunos_nosys
 	.word sunos_nosys, sunos_nosys
-/*150*/	.word sys_getsockname, sunos_nosys, sunos_nosys
+/*150*/	.word sys32_getsockname, sunos_nosys, sunos_nosys
 	.word sys_poll, sunos_nosys, sunos_nosys
 	.word sunos_getdirentries, compat_sys_statfs, compat_sys_fstatfs
 	.word sys_oldumount, sunos_nosys, sunos_nosys

fs/compat.c

@@ -744,7 +744,7 @@ extern int copy_mount_options (const void __user *, unsigned long *);
 #define SMBFS_NAME      "smbfs"
 #define NCPFS_NAME      "ncpfs"
 
-asmlinkage int compat_sys_mount(char __user * dev_name, char __user * dir_name,
+asmlinkage long compat_sys_mount(char __user * dev_name, char __user * dir_name,
 				 char __user * type, unsigned long flags,
 				 void __user * data)
 {

kernel/compat.c

@@ -398,7 +398,7 @@ asmlinkage long compat_sys_sched_setaffinity(compat_pid_t pid,
 	return ret;
 }
 
-asmlinkage int compat_sys_sched_getaffinity(compat_pid_t pid, unsigned int len,
+asmlinkage long compat_sys_sched_getaffinity(compat_pid_t pid, unsigned int len,
 					     compat_ulong_t __user *user_mask_ptr)
 {
 	unsigned long kernel_mask;