118 is_user_addr_valid(struct task_struct *child, unsigned long start, unsigned long len)  in is_user_addr_valid()  argument
128 	down_read(&child->mm->mmap_sem);  in is_user_addr_valid()
129 	vma = find_vma(child->mm, start);  in is_user_addr_valid()
131 	up_read(&child->mm->mmap_sem);  in is_user_addr_valid()
135 	for (sraml = child->mm->context.sram_list; sraml; sraml = sraml->next)  in is_user_addr_valid()
144 	if (child->mm->context.l1_stack_save)  in is_user_addr_valid()
231 void user_enable_single_step(struct task_struct *child)  in user_enable_single_step()  argument
233 	struct pt_regs *regs = task_pt_regs(child);  in user_enable_single_step()
236 	set_tsk_thread_flag(child, TIF_SINGLESTEP);  in user_enable_single_step()
239 void user_disable_single_step(struct task_struct *child)  in user_disable_single_step()  argument
241 	struct pt_regs *regs = task_pt_regs(child);  in user_disable_single_step()
244 	clear_tsk_thread_flag(child, TIF_SINGLESTEP);  in user_disable_single_step()
247 long arch_ptrace(struct task_struct *child, long request,  in arch_ptrace()  argument
266 			if (is_user_addr_valid(child, addr, to_copy) < 0)  in arch_ptrace()
273 				copied = access_process_vm(child, addr, &tmp,  in arch_ptrace()
319 			if (is_user_addr_valid(child, addr, to_copy) < 0)  in arch_ptrace()
326 				copied = access_process_vm(child, addr, &data,  in arch_ptrace()
361 			ret = get_reg(child, addr, datap);  in arch_ptrace()
367 		ret = put_reg(child, addr, data);  in arch_ptrace()
373 		return copy_regset_to_user(child, &user_bfin_native_view,  in arch_ptrace()
380 		return copy_regset_from_user(child, &user_bfin_native_view,  in arch_ptrace()
387 		ret = ptrace_request(child, request, addr, data);  in arch_ptrace()