diff options
| author | Russell King <rmk@dyn-67.arm.linux.org.uk> | 2007-03-04 09:50:28 +0000 |
|---|---|---|
| committer | Russell King <rmk+kernel@arm.linux.org.uk> | 2007-04-21 20:34:58 +0100 |
| commit | b2a0d36fde90fa9dd20b7dde21dbcff09b130b38 (patch) | |
| tree | 354fe85244f011e17e1c96243f5f7925ba16b6b6 /arch/arm/kernel/ptrace.h | |
| parent | 0f0a00beb80624a446ba7c0152cd171008eeab2e (diff) | |
[ARM] ptrace: clean up single stepping support
Signed-off-by: Russell King <rmk+kernel@arm.linux.org.uk>
Diffstat (limited to 'arch/arm/kernel/ptrace.h')
| -rw-r--r-- | arch/arm/kernel/ptrace.h | 39 |
1 files changed, 39 insertions, 0 deletions
diff --git a/arch/arm/kernel/ptrace.h b/arch/arm/kernel/ptrace.h index f7cad13a22e..def3b6184a7 100644 --- a/arch/arm/kernel/ptrace.h +++ b/arch/arm/kernel/ptrace.h @@ -7,6 +7,45 @@ * it under the terms of the GNU General Public License version 2 as * published by the Free Software Foundation. */ +#include <linux/ptrace.h> + extern void ptrace_cancel_bpt(struct task_struct *); extern void ptrace_set_bpt(struct task_struct *); extern void ptrace_break(struct task_struct *, struct pt_regs *); + +/* + * make sure single-step breakpoint is gone. + */ +static inline void single_step_disable(struct task_struct *task) +{ + task->ptrace &= ~PT_SINGLESTEP; + ptrace_cancel_bpt(task); +} + +static inline void single_step_enable(struct task_struct *task) +{ + task->ptrace |= PT_SINGLESTEP; +} + +/* + * Send SIGTRAP if we're single-stepping + */ +static inline void single_step_trap(struct task_struct *task) +{ + if (task->ptrace & PT_SINGLESTEP) { + ptrace_cancel_bpt(task); + send_sig(SIGTRAP, task, 1); + } +} + +static inline void single_step_clear(struct task_struct *task) +{ + if (task->ptrace & PT_SINGLESTEP) + ptrace_cancel_bpt(task); +} + +static inline void single_step_set(struct task_struct *task) +{ + if (task->ptrace & PT_SINGLESTEP) + ptrace_set_bpt(task); +} |