diff options
Diffstat (limited to 'arch/sparc/kernel/sys_sparc32.c')
| -rw-r--r-- | arch/sparc/kernel/sys_sparc32.c | 260 | 
1 files changed, 12 insertions, 248 deletions
diff --git a/arch/sparc/kernel/sys_sparc32.c b/arch/sparc/kernel/sys_sparc32.c index 4a4cdc633f6..3d0ddbc005f 100644 --- a/arch/sparc/kernel/sys_sparc32.c +++ b/arch/sparc/kernel/sys_sparc32.c @@ -49,71 +49,6 @@  #include <asm/mmu_context.h>  #include <asm/compat_signal.h> -#ifdef CONFIG_SYSVIPC                                                         -asmlinkage long compat_sys_ipc(u32 call, u32 first, u32 second, u32 third, compat_uptr_t ptr, u32 fifth) -{ -	int version; - -	version = call >> 16; /* hack for backward compatibility */ -	call &= 0xffff; - -	switch (call) { -	case SEMTIMEDOP: -		if (fifth) -			/* sign extend semid */ -			return compat_sys_semtimedop((int)first, -						     compat_ptr(ptr), second, -						     compat_ptr(fifth)); -		/* else fall through for normal semop() */ -	case SEMOP: -		/* struct sembuf is the same on 32 and 64bit :)) */ -		/* sign extend semid */ -		return sys_semtimedop((int)first, compat_ptr(ptr), second, -				      NULL); -	case SEMGET: -		/* sign extend key, nsems */ -		return sys_semget((int)first, (int)second, third); -	case SEMCTL: -		/* sign extend semid, semnum */ -		return compat_sys_semctl((int)first, (int)second, third, -					 compat_ptr(ptr)); - -	case MSGSND: -		/* sign extend msqid */ -		return compat_sys_msgsnd((int)first, (int)second, third, -					 compat_ptr(ptr)); -	case MSGRCV: -		/* sign extend msqid, msgtyp */ -		return compat_sys_msgrcv((int)first, second, (int)fifth, -					 third, version, compat_ptr(ptr)); -	case MSGGET: -		/* sign extend key */ -		return sys_msgget((int)first, second); -	case MSGCTL: -		/* sign extend msqid */ -		return compat_sys_msgctl((int)first, second, compat_ptr(ptr)); - -	case SHMAT: -		/* sign extend shmid */ -		return compat_sys_shmat((int)first, second, third, version, -					compat_ptr(ptr)); -	case SHMDT: -		return sys_shmdt(compat_ptr(ptr)); -	case SHMGET: -		/* sign extend key_t */ -		return sys_shmget((int)first, second, third); -	case SHMCTL: -		/* sign extend shmid */ -		return compat_sys_shmctl((int)first, second, compat_ptr(ptr)); - -	default: -		return -ENOSYS; -	} - -	return -ENOSYS; -} -#endif -  asmlinkage long sys32_truncate64(const char __user * path, unsigned long high, unsigned long low)  {  	if ((int)high < 0) @@ -206,133 +141,19 @@ asmlinkage long compat_sys_fstatat64(unsigned int dfd,  	return cp_compat_stat64(&stat, statbuf);  } -asmlinkage long compat_sys_sysfs(int option, u32 arg1, u32 arg2) -{ -	return sys_sysfs(option, arg1, arg2); -} - -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; -	int ret; -	mm_segment_t old_fs = get_fs(); -	 -	if (set) { -		if (copy_from_user (&s32, set, sizeof(compat_sigset_t))) -			return -EFAULT; -		switch (_NSIG_WORDS) { -		case 4: s.sig[3] = s32.sig[6] | (((long)s32.sig[7]) << 32); -		case 3: s.sig[2] = s32.sig[4] | (((long)s32.sig[5]) << 32); -		case 2: s.sig[1] = s32.sig[2] | (((long)s32.sig[3]) << 32); -		case 1: s.sig[0] = s32.sig[0] | (((long)s32.sig[1]) << 32); -		} -	} -	set_fs (KERNEL_DS); -	ret = sys_rt_sigprocmask(how, -				 set ? (sigset_t __user *) &s : NULL, -				 oset ? (sigset_t __user *) &s : NULL, -				 sigsetsize); -	set_fs (old_fs); -	if (ret) return ret; -	if (oset) { -		switch (_NSIG_WORDS) { -		case 4: s32.sig[7] = (s.sig[3] >> 32); s32.sig[6] = s.sig[3]; -		case 3: s32.sig[5] = (s.sig[2] >> 32); s32.sig[4] = s.sig[2]; -		case 2: s32.sig[3] = (s.sig[1] >> 32); s32.sig[2] = s.sig[1]; -		case 1: s32.sig[1] = (s.sig[0] >> 32); s32.sig[0] = s.sig[0]; -		} -		if (copy_to_user (oset, &s32, sizeof(compat_sigset_t))) -			return -EFAULT; -	} -	return 0; -} - -asmlinkage long sys32_rt_sigpending(compat_sigset_t __user *set, -				    compat_size_t sigsetsize) +COMPAT_SYSCALL_DEFINE3(sparc_sigaction, int, sig, +			struct compat_old_sigaction __user *,act, +			struct compat_old_sigaction __user *,oact)  { -	sigset_t s; -	compat_sigset_t s32; -	int ret; -	mm_segment_t old_fs = get_fs(); -		 -	set_fs (KERNEL_DS); -	ret = sys_rt_sigpending((sigset_t __user *) &s, sigsetsize); -	set_fs (old_fs); -	if (!ret) { -		switch (_NSIG_WORDS) { -		case 4: s32.sig[7] = (s.sig[3] >> 32); s32.sig[6] = s.sig[3]; -		case 3: s32.sig[5] = (s.sig[2] >> 32); s32.sig[4] = s.sig[2]; -		case 2: s32.sig[3] = (s.sig[1] >> 32); s32.sig[2] = s.sig[1]; -		case 1: s32.sig[1] = (s.sig[0] >> 32); s32.sig[0] = s.sig[0]; -		} -		if (copy_to_user (set, &s32, sizeof(compat_sigset_t))) -			return -EFAULT; -	} -	return ret; -} - -asmlinkage long compat_sys_rt_sigqueueinfo(int pid, int sig, -					   struct compat_siginfo __user *uinfo) -{ -	siginfo_t info; -	int ret; -	mm_segment_t old_fs = get_fs(); -	 -	if (copy_siginfo_from_user32(&info, uinfo)) -		return -EFAULT; - -	set_fs (KERNEL_DS); -	ret = sys_rt_sigqueueinfo(pid, sig, (siginfo_t __user *) &info); -	set_fs (old_fs); -	return ret; -} - -asmlinkage long compat_sys_sigaction(int sig, struct old_sigaction32 __user *act, -				     struct old_sigaction32 __user *oact) -{ -        struct k_sigaction new_ka, old_ka; -        int ret; -  	WARN_ON_ONCE(sig >= 0); -	sig = -sig; - -        if (act) { -		compat_old_sigset_t mask; -		u32 u_handler, u_restorer; -		 -		ret = get_user(u_handler, &act->sa_handler); -		new_ka.sa.sa_handler =  compat_ptr(u_handler); -		ret |= __get_user(u_restorer, &act->sa_restorer); -		new_ka.sa.sa_restorer = compat_ptr(u_restorer); -		ret |= __get_user(new_ka.sa.sa_flags, &act->sa_flags); -		ret |= __get_user(mask, &act->sa_mask); -		if (ret) -			return ret; -		new_ka.ka_restorer = NULL; -		siginitset(&new_ka.sa.sa_mask, mask); -        } - -        ret = do_sigaction(sig, act ? &new_ka : NULL, oact ? &old_ka : NULL); - -	if (!ret && oact) { -		ret = put_user(ptr_to_compat(old_ka.sa.sa_handler), &oact->sa_handler); -		ret |= __put_user(ptr_to_compat(old_ka.sa.sa_restorer), &oact->sa_restorer); -		ret |= __put_user(old_ka.sa.sa_flags, &oact->sa_flags); -		ret |= __put_user(old_ka.sa.sa_mask.sig[0], &oact->sa_mask); -        } - -	return ret; +	return compat_sys_sigaction(-sig, act, oact);  } -asmlinkage long compat_sys_rt_sigaction(int sig, -					struct sigaction32 __user *act, -					struct sigaction32 __user *oact, -					void __user *restorer, -					compat_size_t sigsetsize) +COMPAT_SYSCALL_DEFINE5(rt_sigaction, int, sig, +			struct compat_sigaction __user *,act, +			struct compat_sigaction __user *,oact, +			void __user *,restorer, +			compat_size_t,sigsetsize)  {          struct k_sigaction new_ka, old_ka;          int ret; @@ -349,12 +170,7 @@ asmlinkage long compat_sys_rt_sigaction(int sig,  		ret = get_user(u_handler, &act->sa_handler);  		new_ka.sa.sa_handler =  compat_ptr(u_handler);  		ret |= __copy_from_user(&set32, &act->sa_mask, sizeof(compat_sigset_t)); -		switch (_NSIG_WORDS) { -		case 4: new_ka.sa.sa_mask.sig[3] = set32.sig[6] | (((long)set32.sig[7]) << 32); -		case 3: new_ka.sa.sa_mask.sig[2] = set32.sig[4] | (((long)set32.sig[5]) << 32); -		case 2: new_ka.sa.sa_mask.sig[1] = set32.sig[2] | (((long)set32.sig[3]) << 32); -		case 1: new_ka.sa.sa_mask.sig[0] = set32.sig[0] | (((long)set32.sig[1]) << 32); -		} +		sigset_from_compat(&new_ka.sa.sa_mask, &set32);  		ret |= __get_user(new_ka.sa.sa_flags, &act->sa_flags);  		ret |= __get_user(u_restorer, &act->sa_restorer);  		new_ka.sa.sa_restorer = compat_ptr(u_restorer); @@ -365,12 +181,7 @@ asmlinkage long compat_sys_rt_sigaction(int sig,  	ret = do_sigaction(sig, act ? &new_ka : NULL, oact ? &old_ka : NULL);  	if (!ret && oact) { -		switch (_NSIG_WORDS) { -		case 4: set32.sig[7] = (old_ka.sa.sa_mask.sig[3] >> 32); set32.sig[6] = old_ka.sa.sa_mask.sig[3]; -		case 3: set32.sig[5] = (old_ka.sa.sa_mask.sig[2] >> 32); set32.sig[4] = old_ka.sa.sa_mask.sig[2]; -		case 2: set32.sig[3] = (old_ka.sa.sa_mask.sig[1] >> 32); set32.sig[2] = old_ka.sa.sa_mask.sig[1]; -		case 1: set32.sig[1] = (old_ka.sa.sa_mask.sig[0] >> 32); set32.sig[0] = old_ka.sa.sa_mask.sig[0]; -		} +		sigset_to_compat(&set32, &old_ka.sa.sa_mask);  		ret = put_user(ptr_to_compat(old_ka.sa.sa_handler), &oact->sa_handler);  		ret |= __copy_to_user(&oact->sa_mask, &set32, sizeof(compat_sigset_t));  		ret |= __put_user(old_ka.sa.sa_flags, &oact->sa_flags); @@ -382,35 +193,6 @@ asmlinkage long compat_sys_rt_sigaction(int sig,          return ret;  } -#ifdef CONFIG_MODULES - -asmlinkage long sys32_init_module(void __user *umod, u32 len, -				  const char __user *uargs) -{ -	return sys_init_module(umod, len, uargs); -} - -asmlinkage long sys32_delete_module(const char __user *name_user, -				    unsigned int flags) -{ -	return sys_delete_module(name_user, flags); -} - -#else /* CONFIG_MODULES */ - -asmlinkage long sys32_init_module(const char __user *name_user, -				  struct module __user *mod_user) -{ -	return -ENOSYS; -} - -asmlinkage long sys32_delete_module(const char __user *name_user) -{ -	return -ENOSYS; -} - -#endif  /* CONFIG_MODULES */ -  asmlinkage compat_ssize_t sys32_pread64(unsigned int fd,  					char __user *ubuf,  					compat_size_t count, @@ -456,25 +238,7 @@ long compat_sys_fadvise64_64(int fd,  				advice);  } -/* This is just a version for 32-bit applications which does - * not force O_LARGEFILE on. - */ - -asmlinkage long sparc32_open(const char __user *filename, -			     int flags, int mode) -{ -	return do_sys_open(AT_FDCWD, filename, flags, mode); -} - -long sys32_lookup_dcookie(unsigned long cookie_high, -			  unsigned long cookie_low, -			  char __user *buf, size_t len) -{ -	return sys_lookup_dcookie((cookie_high << 32) | cookie_low, -				  buf, len); -} - -long compat_sync_file_range(int fd, unsigned long off_high, unsigned long off_low, unsigned long nb_high, unsigned long nb_low, int flags) +long sys32_sync_file_range(unsigned int fd, unsigned long off_high, unsigned long off_low, unsigned long nb_high, unsigned long nb_low, unsigned int flags)  {  	return sys_sync_file_range(fd,  				   (off_high << 32) | off_low,  |