arch/arm/kernel/ptrace.h

   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  */
  10 #include <linux/ptrace.h>
  11
  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 *);
  15
  16 /*
  17  * Send SIGTRAP if we're single-stepping
  18  */
  19 static inline void single_step_trap(struct task_struct *task)
  20 {
  21         if (task->ptrace & PT_SINGLESTEP) {
  22                 ptrace_cancel_bpt(task);
  23                 send_sig(SIGTRAP, task, 1);
  24         }
  25 }
  26
  27 static inline void single_step_clear(struct task_struct *task)
  28 {
  29         if (task->ptrace & PT_SINGLESTEP)
  30                 ptrace_cancel_bpt(task);
  31 }
  32
  33 static inline void single_step_set(struct task_struct *task)
  34 {
  35         if (task->ptrace & PT_SINGLESTEP)
  36                 ptrace_set_bpt(task);
  37 }