+/* Find process data for process PID. */
+
+static struct arm_linux_process_info *
+arm_linux_find_process_pid (pid_t pid)
+{
+ struct arm_linux_process_info *proc;
+
+ for (proc = arm_linux_process_list; proc; proc = proc->next)
+ if (proc->pid == pid)
+ return proc;
+
+ return NULL;
+}
+
+/* Add process data for process PID. Returns newly allocated info
+ object. */
+
+static struct arm_linux_process_info *
+arm_linux_add_process (pid_t pid)
+{
+ struct arm_linux_process_info *proc;
+
+ proc = XCNEW (struct arm_linux_process_info);
+ proc->pid = pid;
+
+ proc->next = arm_linux_process_list;
+ arm_linux_process_list = proc;
+
+ return proc;
+}
+
+/* Get data specific info for process PID, creating it if necessary.
+ Never returns NULL. */
+
+static struct arm_linux_process_info *
+arm_linux_process_info_get (pid_t pid)
+{
+ struct arm_linux_process_info *proc;
+
+ proc = arm_linux_find_process_pid (pid);
+ if (proc == NULL)
+ proc = arm_linux_add_process (pid);
+
+ return proc;
+}
+
+/* Called whenever GDB is no longer debugging process PID. It deletes
+ data structures that keep track of debug register state. */
+
+void
+arm_linux_nat_target::low_forget_process (pid_t pid)
+{
+ struct arm_linux_process_info *proc, **proc_link;
+
+ proc = arm_linux_process_list;
+ proc_link = &arm_linux_process_list;
+
+ while (proc != NULL)