1 files changed, 55 insertions, 0 deletions

diff --git a/arch/powerpc/kernel/signal.h b/arch/powerpc/kernel/signal.h
new file mode 100644
index 000000000000..77efb3d5465a
--- /dev/null
+++ b/arch/powerpc/kernel/signal.h
@@ -0,0 +1,55 @@
+/*
+ *    Copyright (c) 2007 Benjamin Herrenschmidt, IBM Coproration
+ *    Extracted from signal_32.c and signal_64.c
+ *
+ * This file is subject to the terms and conditions of the GNU General
+ * Public License.  See the file README.legal in the main directory of
+ * this archive for more details.
+ */
+
+#ifndef _POWERPC_ARCH_SIGNAL_H
+#define _POWERPC_ARCH_SIGNAL_H
+
+#define _BLOCKABLE (~(sigmask(SIGKILL) | sigmask(SIGSTOP)))
+
+extern void __user * get_sigframe(struct k_sigaction *ka, struct pt_regs *regs,
+                                  size_t frame_size);
+extern void restore_sigmask(sigset_t *set);
+
+extern int handle_signal32(unsigned long sig, struct k_sigaction *ka,
+                           siginfo_t *info, sigset_t *oldset,
+                           struct pt_regs *regs);
+
+extern int handle_rt_signal32(unsigned long sig, struct k_sigaction *ka,
+                              siginfo_t *info, sigset_t *oldset,
+                              struct pt_regs *regs);
+
+
+#ifdef CONFIG_PPC64
+
+static inline int is_32bit_task(void)
+{
+        return test_thread_flag(TIF_32BIT);
+}
+
+extern int handle_rt_signal64(int signr, struct k_sigaction *ka,
+                              siginfo_t *info, sigset_t *set,
+                              struct pt_regs *regs);
+
+#else /* CONFIG_PPC64 */
+
+static inline int is_32bit_task(void)
+{
+        return 1;
+}
+
+static inline int handle_rt_signal64(int signr, struct k_sigaction *ka,
+                                     siginfo_t *info, sigset_t *set,
+                                     struct pt_regs *regs)
+{
+        return -EFAULT;
+}
+
+#endif /* !defined(CONFIG_PPC64) */
+
+#endif  /* _POWERPC_ARCH_SIGNAL_H */