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Diffstat (limited to 'arch/parisc/kernel/signal32.c')
-rw-r--r--arch/parisc/kernel/signal32.c136
1 files changed, 1 insertions, 135 deletions
diff --git a/arch/parisc/kernel/signal32.c b/arch/parisc/kernel/signal32.c
index 70aaabb8b3cb..9a5ba57ad94d 100644
--- a/arch/parisc/kernel/signal32.c
+++ b/arch/parisc/kernel/signal32.c
@@ -1,3 +1,4 @@
+// SPDX-License-Identifier: GPL-2.0-or-later
/* Signal support for 32-bit kernel builds
*
* Copyright (C) 2001 Matthew Wilcox <willy at parisc-linux.org>
@@ -5,21 +6,6 @@
*
* Code was mostly borrowed from kernel/signal.c.
* See kernel/signal.c for additional Copyrights.
- *
- *
- * This program is free software; you can redistribute it and/or modify
- * it under the terms of the GNU General Public License as published by
- * the Free Software Foundation; either version 2 of the License, or
- * (at your option) any later version.
- *
- * This program is distributed in the hope that it will be useful,
- * but WITHOUT ANY WARRANTY; without even the implied warranty of
- * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
- * GNU General Public License for more details.
- *
- * You should have received a copy of the GNU General Public License
- * along with this program; if not, write to the Free Software
- * Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
*/
#include <linux/compat.h>
@@ -46,19 +32,6 @@
#define DBG(LEVEL, ...)
#endif
-inline void
-sigset_32to64(sigset_t *s64, compat_sigset_t *s32)
-{
- s64->sig[0] = s32->sig[0] | ((unsigned long)s32->sig[1] << 32);
-}
-
-inline void
-sigset_64to32(compat_sigset_t *s32, sigset_t *s64)
-{
- s32->sig[0] = s64->sig[0] & 0xffffffffUL;
- s32->sig[1] = (s64->sig[0] >> 32) & 0xffffffffUL;
-}
-
long
restore_sigcontext32(struct compat_sigcontext __user *sc, struct compat_regfile __user * rf,
struct pt_regs *regs)
@@ -273,110 +246,3 @@ setup_sigcontext32(struct compat_sigcontext __user *sc, struct compat_regfile __
return err;
}
-
-int
-copy_siginfo_from_user32 (siginfo_t *to, compat_siginfo_t __user *from)
-{
- compat_uptr_t addr;
- int err;
-
- if (!access_ok(VERIFY_READ, from, sizeof(compat_siginfo_t)))
- return -EFAULT;
-
- err = __get_user(to->si_signo, &from->si_signo);
- err |= __get_user(to->si_errno, &from->si_errno);
- err |= __get_user(to->si_code, &from->si_code);
-
- if (to->si_code < 0)
- err |= __copy_from_user(&to->_sifields._pad, &from->_sifields._pad, SI_PAD_SIZE);
- else {
- switch (to->si_code >> 16) {
- case __SI_CHLD >> 16:
- err |= __get_user(to->si_utime, &from->si_utime);
- err |= __get_user(to->si_stime, &from->si_stime);
- err |= __get_user(to->si_status, &from->si_status);
- default:
- err |= __get_user(to->si_pid, &from->si_pid);
- err |= __get_user(to->si_uid, &from->si_uid);
- break;
- case __SI_FAULT >> 16:
- err |= __get_user(addr, &from->si_addr);
- to->si_addr = compat_ptr(addr);
- break;
- case __SI_POLL >> 16:
- err |= __get_user(to->si_band, &from->si_band);
- err |= __get_user(to->si_fd, &from->si_fd);
- break;
- case __SI_RT >> 16: /* This is not generated by the kernel as of now. */
- case __SI_MESGQ >> 16:
- err |= __get_user(to->si_pid, &from->si_pid);
- err |= __get_user(to->si_uid, &from->si_uid);
- err |= __get_user(to->si_int, &from->si_int);
- break;
- }
- }
- return err;
-}
-
-int
-copy_siginfo_to_user32 (compat_siginfo_t __user *to, const siginfo_t *from)
-{
- compat_uptr_t addr;
- compat_int_t val;
- int err;
-
- if (!access_ok(VERIFY_WRITE, to, sizeof(compat_siginfo_t)))
- return -EFAULT;
-
- /* If you change siginfo_t structure, please be sure
- this code is fixed accordingly.
- It should never copy any pad contained in the structure
- to avoid security leaks, but must copy the generic
- 3 ints plus the relevant union member.
- This routine must convert siginfo from 64bit to 32bit as well
- at the same time. */
- err = __put_user(from->si_signo, &to->si_signo);
- err |= __put_user(from->si_errno, &to->si_errno);
- err |= __put_user((short)from->si_code, &to->si_code);
- if (from->si_code < 0)
- err |= __copy_to_user(&to->_sifields._pad, &from->_sifields._pad, SI_PAD_SIZE);
- else {
- switch (from->si_code >> 16) {
- case __SI_CHLD >> 16:
- err |= __put_user(from->si_utime, &to->si_utime);
- err |= __put_user(from->si_stime, &to->si_stime);
- err |= __put_user(from->si_status, &to->si_status);
- default:
- err |= __put_user(from->si_pid, &to->si_pid);
- err |= __put_user(from->si_uid, &to->si_uid);
- break;
- case __SI_FAULT >> 16:
- addr = ptr_to_compat(from->si_addr);
- err |= __put_user(addr, &to->si_addr);
- break;
- case __SI_POLL >> 16:
- err |= __put_user(from->si_band, &to->si_band);
- err |= __put_user(from->si_fd, &to->si_fd);
- break;
- case __SI_TIMER >> 16:
- err |= __put_user(from->si_tid, &to->si_tid);
- err |= __put_user(from->si_overrun, &to->si_overrun);
- val = (compat_int_t)from->si_int;
- err |= __put_user(val, &to->si_int);
- break;
- case __SI_RT >> 16: /* Not generated by the kernel as of now. */
- case __SI_MESGQ >> 16:
- err |= __put_user(from->si_uid, &to->si_uid);
- err |= __put_user(from->si_pid, &to->si_pid);
- val = (compat_int_t)from->si_int;
- err |= __put_user(val, &to->si_int);
- break;
- case __SI_SYS >> 16:
- err |= __put_user(ptr_to_compat(from->si_call_addr), &to->si_call_addr);
- err |= __put_user(from->si_syscall, &to->si_syscall);
- err |= __put_user(from->si_arch, &to->si_arch);
- break;
- }
- }
- return err;
-}