projects / linux-2.6-block.git / blame
| Commit | Line | Data |
|---|---|---|
| 1da177e4 LT |
1 | /* |
| 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 | */ | |
| b2a0d36f RK |
10 | #include <linux/ptrace.h> |
| 11 | ||
| 1da177e4 LT |
12 | extern void ptrace_cancel_bpt(struct task_struct *); |
| 13 | extern void ptrace_set_bpt(struct task_struct *); | |
| 14 | extern void ptrace_break(struct task_struct *, struct pt_regs *); | |
| b2a0d36f RK |
15 | |
| 16 | /* | |
| 17 | * make sure single-step breakpoint is gone. | |
| 18 | */ | |
| 19 | static inline void single_step_disable(struct task_struct *task) | |
| 20 | { | |
| 21 | task->ptrace &= ~PT_SINGLESTEP; | |
| 22 | ptrace_cancel_bpt(task); | |
| 23 | } | |
| 24 | ||
| 25 | static 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 | */ | |
| 33 | static 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 | ||
| 41 | static inline void single_step_clear(struct task_struct *task) | |
| 42 | { | |
| 43 | if (task->ptrace & PT_SINGLESTEP) | |
| 44 | ptrace_cancel_bpt(task); | |
| 45 | } | |
| 46 | ||
| 47 | static inline void single_step_set(struct task_struct *task) | |
| 48 | { | |
| 49 | if (task->ptrace & PT_SINGLESTEP) | |
| 50 | ptrace_set_bpt(task); | |
| 51 | } |