25 static struct pt_regs *get_user_regs(struct task_struct *tsk)  in get_user_regs()  argument
27 	return (struct pt_regs *)((unsigned long)task_stack_page(tsk) +  in get_user_regs()
31 void user_enable_single_step(struct task_struct *tsk)  in user_enable_single_step()  argument
34 		 tsk->pid, task_pt_regs(tsk)->pc, task_pt_regs(tsk)->sr);  in user_enable_single_step()
48 	set_tsk_thread_flag(tsk, TIF_BREAKPOINT);  in user_enable_single_step()
49 	set_tsk_thread_flag(tsk, TIF_SINGLE_STEP);  in user_enable_single_step()
73 static int ptrace_read_user(struct task_struct *tsk, unsigned long offset,  in ptrace_read_user()  argument
84 	regs = (unsigned long *)get_user_regs(tsk);  in ptrace_read_user()
91 		 tsk->comm, tsk->pid, offset, data, value);  in ptrace_read_user()
101 static int ptrace_write_user(struct task_struct *tsk, unsigned long offset,  in ptrace_write_user()  argument
107 			tsk->comm, tsk->pid, offset, value);  in ptrace_write_user()
117 	regs = (unsigned long *)get_user_regs(tsk);  in ptrace_write_user()
123 static int ptrace_getregs(struct task_struct *tsk, void __user *uregs)  in ptrace_getregs()  argument
125 	struct pt_regs *regs = get_user_regs(tsk);  in ptrace_getregs()
130 static int ptrace_setregs(struct task_struct *tsk, const void __user *uregs)  in ptrace_setregs()  argument
137 		struct pt_regs *regs = get_user_regs(tsk);  in ptrace_setregs()