14 void user_enable_single_step(struct task_struct *child)  in user_enable_single_step()  argument
16 	child->ptrace |= PT_DTRACE;  in user_enable_single_step()
17 	child->thread.singlestep_syscall = 0;  in user_enable_single_step()
20 	SUBARCH_SET_SINGLESTEPPING(child, 1);  in user_enable_single_step()
24 void user_disable_single_step(struct task_struct *child)  in user_disable_single_step()  argument
26 	child->ptrace &= ~PT_DTRACE;  in user_disable_single_step()
27 	child->thread.singlestep_syscall = 0;  in user_disable_single_step()
30 	SUBARCH_SET_SINGLESTEPPING(child, 0);  in user_disable_single_step()
37 void ptrace_disable(struct task_struct *child)  in ptrace_disable()  argument
39 	user_disable_single_step(child);  in ptrace_disable()
42 extern int peek_user(struct task_struct * child, long addr, long data);
43 extern int poke_user(struct task_struct * child, long addr, long data);
45 long arch_ptrace(struct task_struct *child, long request,  in arch_ptrace()  argument
55 		ret = peek_user(child, addr, data);  in arch_ptrace()
60 		ret = poke_user(child, addr, data);  in arch_ptrace()
69 	case PTRACE_GETREGS: { /* Get all gp regs from the child. */  in arch_ptrace()
75 			__put_user(getreg(child, i), p);  in arch_ptrace()
83 	case PTRACE_SETREGS: { /* Set all gp regs in the child. */  in arch_ptrace()
91 			putreg(child, i, tmp);  in arch_ptrace()
99 		ret = ptrace_get_thread_area(child, addr, vp);  in arch_ptrace()
103 		ret = ptrace_set_thread_area(child, addr, vp);  in arch_ptrace()
112 		ret = copy_to_user(p, &child->thread.arch.faultinfo,  in arch_ptrace()
136 		ret = ptrace_request(child, request, addr, data);  in arch_ptrace()
138 			ret = subarch_ptrace(child, request, addr, data);  in arch_ptrace()