linux/arch/powerpc/kernel/signal.h
Al Viro f3675644e1 powerpc/syscalls: signal_{32, 64} - switch to SYSCALL_DEFINE
Signed-off-by: Al Viro <viro@zeniv.linux.org.uk>
[mpe: Fix sys_debug_setcontext() prototype to return long]
Signed-off-by: Michael Ellerman <mpe@ellerman.id.au>
2018-05-10 23:25:13 +10:00

64 lines
2.0 KiB
C

/*
* Copyright (c) 2007 Benjamin Herrenschmidt, IBM Corporation
* 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
extern void do_notify_resume(struct pt_regs *regs, unsigned long thread_info_flags);
extern void __user *get_sigframe(struct ksignal *ksig, unsigned long sp,
size_t frame_size, int is_32);
extern int handle_signal32(struct ksignal *ksig, sigset_t *oldset,
struct task_struct *tsk);
extern int handle_rt_signal32(struct ksignal *ksig, sigset_t *oldset,
struct task_struct *tsk);
extern unsigned long copy_fpr_to_user(void __user *to,
struct task_struct *task);
extern unsigned long copy_ckfpr_to_user(void __user *to,
struct task_struct *task);
extern unsigned long copy_fpr_from_user(struct task_struct *task,
void __user *from);
extern unsigned long copy_ckfpr_from_user(struct task_struct *task,
void __user *from);
extern unsigned long get_tm_stackpointer(struct task_struct *tsk);
#ifdef CONFIG_VSX
extern unsigned long copy_vsx_to_user(void __user *to,
struct task_struct *task);
extern unsigned long copy_ckvsx_to_user(void __user *to,
struct task_struct *task);
extern unsigned long copy_vsx_from_user(struct task_struct *task,
void __user *from);
extern unsigned long copy_ckvsx_from_user(struct task_struct *task,
void __user *from);
#endif
#ifdef CONFIG_PPC64
extern int handle_rt_signal64(struct ksignal *ksig, sigset_t *set,
struct task_struct *tsk);
#else /* CONFIG_PPC64 */
extern long sys_rt_sigreturn(void);
extern long sys_sigreturn(void);
static inline int handle_rt_signal64(struct ksignal *ksig, sigset_t *set,
struct task_struct *tsk)
{
return -EFAULT;
}
#endif /* !defined(CONFIG_PPC64) */
#endif /* _POWERPC_ARCH_SIGNAL_H */