blob: def3b6184a7962756c11ec849d68d962b2f98567 [file] [log] [blame]
Linus Torvalds1da177e2005-04-16 15:20:36 -07001/*
2 * linux/arch/arm/kernel/ptrace.h
3 *
4 * Copyright (C) 2000-2003 Russell King
5 *
6 * This program is free software; you can redistribute it and/or modify
7 * it under the terms of the GNU General Public License version 2 as
8 * published by the Free Software Foundation.
9 */
Russell Kingb2a0d362007-03-04 09:50:28 +000010#include <linux/ptrace.h>
11
Linus Torvalds1da177e2005-04-16 15:20:36 -070012extern void ptrace_cancel_bpt(struct task_struct *);
13extern void ptrace_set_bpt(struct task_struct *);
14extern void ptrace_break(struct task_struct *, struct pt_regs *);
Russell Kingb2a0d362007-03-04 09:50:28 +000015
16/*
17 * make sure single-step breakpoint is gone.
18 */
19static inline void single_step_disable(struct task_struct *task)
20{
21 task->ptrace &= ~PT_SINGLESTEP;
22 ptrace_cancel_bpt(task);
23}
24
25static inline void single_step_enable(struct task_struct *task)
26{
27 task->ptrace |= PT_SINGLESTEP;
28}
29
30/*
31 * Send SIGTRAP if we're single-stepping
32 */
33static inline void single_step_trap(struct task_struct *task)
34{
35 if (task->ptrace & PT_SINGLESTEP) {
36 ptrace_cancel_bpt(task);
37 send_sig(SIGTRAP, task, 1);
38 }
39}
40
41static inline void single_step_clear(struct task_struct *task)
42{
43 if (task->ptrace & PT_SINGLESTEP)
44 ptrace_cancel_bpt(task);
45}
46
47static inline void single_step_set(struct task_struct *task)
48{
49 if (task->ptrace & PT_SINGLESTEP)
50 ptrace_set_bpt(task);
51}