diff options
Diffstat (limited to 'arch/parisc/kernel/signal32.c')
| -rw-r--r-- | arch/parisc/kernel/signal32.c | 149 |
1 files changed, 0 insertions, 149 deletions
diff --git a/arch/parisc/kernel/signal32.c b/arch/parisc/kernel/signal32.c index 2ddcabb616ce..33eca1b04926 100644 --- a/arch/parisc/kernel/signal32.c +++ b/arch/parisc/kernel/signal32.c @@ -60,136 +60,6 @@ sigset_64to32(compat_sigset_t *s32, sigset_t *s64) s32->sig[1] = (s64->sig[0] >> 32) & 0xffffffffUL; } -static int -put_sigset32(compat_sigset_t __user *up, sigset_t *set, size_t sz) -{ - compat_sigset_t s; - - if (sz != sizeof(compat_sigset_t)) - return -EINVAL; - sigset_64to32(&s, set); - - return copy_to_user(up, &s, sizeof s); -} - -static int -get_sigset32(compat_sigset_t __user *up, sigset_t *set, size_t sz) -{ - compat_sigset_t s; - int r; - - if (sz != sizeof(compat_sigset_t)) - return -EINVAL; - - if ((r = copy_from_user(&s, up, sz)) == 0) { - sigset_32to64(set, &s); - } - - return r; -} - -int sys32_rt_sigprocmask(int how, compat_sigset_t __user *set, compat_sigset_t __user *oset, - unsigned int sigsetsize) -{ - sigset_t old_set, new_set; - int ret; - - if (set) { - ret = get_sigset32(set, &new_set, sigsetsize); - if (ret) - return ret; - } - - KERNEL_SYSCALL(ret, sys_rt_sigprocmask, how, set ? (sigset_t __user *)&new_set : NULL, - oset ? (sigset_t __user *)&old_set : NULL, sigsetsize); - - if (!ret && oset && put_sigset32(oset, &old_set, sigsetsize)) - return -EFAULT; - - return ret; -} - - -int sys32_rt_sigpending(compat_sigset_t __user *uset, unsigned int sigsetsize) -{ - int ret; - sigset_t set; - - KERNEL_SYSCALL(ret, sys_rt_sigpending, (sigset_t __user *)&set, sigsetsize); - - if (!ret && put_sigset32(uset, &set, sigsetsize)) - return -EFAULT; - - return ret; -} - -long -sys32_rt_sigaction(int sig, const struct sigaction32 __user *act, struct sigaction32 __user *oact, - size_t sigsetsize) -{ - struct k_sigaction32 new_sa32, old_sa32; - struct k_sigaction new_sa, old_sa; - int ret = -EINVAL; - - /* XXX: Don't preclude handling different sized sigset_t's. */ - if (sigsetsize != sizeof(compat_sigset_t)) - return -EINVAL; - - if (act) { - if (copy_from_user(&new_sa32.sa, act, sizeof new_sa32.sa)) - return -EFAULT; - new_sa.sa.sa_handler = (__sighandler_t)(unsigned long)new_sa32.sa.sa_handler; - new_sa.sa.sa_flags = new_sa32.sa.sa_flags; - sigset_32to64(&new_sa.sa.sa_mask, &new_sa32.sa.sa_mask); - } - - ret = do_sigaction(sig, act ? &new_sa : NULL, oact ? &old_sa : NULL); - - if (!ret && oact) { - sigset_64to32(&old_sa32.sa.sa_mask, &old_sa.sa.sa_mask); - old_sa32.sa.sa_flags = old_sa.sa.sa_flags; - old_sa32.sa.sa_handler = (__sighandler_t32)(unsigned long)old_sa.sa.sa_handler; - if (copy_to_user(oact, &old_sa32.sa, sizeof old_sa32.sa)) - return -EFAULT; - } - return ret; -} - -int -do_sigaltstack32 (const compat_stack_t __user *uss32, compat_stack_t __user *uoss32, unsigned long sp) -{ - compat_stack_t ss32, oss32; - stack_t ss, oss; - stack_t *ssp = NULL, *ossp = NULL; - int ret; - - if (uss32) { - if (copy_from_user(&ss32, uss32, sizeof ss32)) - return -EFAULT; - - ss.ss_sp = (void __user *)(unsigned long)ss32.ss_sp; - ss.ss_flags = ss32.ss_flags; - ss.ss_size = ss32.ss_size; - - ssp = &ss; - } - - if (uoss32) - ossp = &oss; - - KERNEL_SYSCALL(ret, do_sigaltstack, (const stack_t __user *)ssp, (stack_t __user *)ossp, sp); - - if (!ret && uoss32) { - oss32.ss_sp = (unsigned int)(unsigned long)oss.ss_sp; - oss32.ss_flags = oss.ss_flags; - oss32.ss_size = oss.ss_size; - if (copy_to_user(uoss32, &oss32, sizeof *uoss32)) - return -EFAULT; - } - - return ret; -} - long restore_sigcontext32(struct compat_sigcontext __user *sc, struct compat_regfile __user * rf, struct pt_regs *regs) @@ -506,22 +376,3 @@ copy_siginfo_to_user32 (compat_siginfo_t __user *to, siginfo_t *from) } return err; } - -asmlinkage long compat_sys_rt_sigqueueinfo(int pid, int sig, - struct compat_siginfo __user *uinfo) -{ - siginfo_t info; - - if (copy_siginfo_from_user32(&info, uinfo)) - return -EFAULT; - - /* Not even root can pretend to send signals from the kernel. - Nor can they impersonate a kill(), which adds source info. */ - if (info.si_code >= 0) - return -EPERM; - info.si_signo = sig; - - /* POSIX.1b doesn't mention process groups. */ - return kill_proc_info(sig, &info, pid); -} - |