static void
aarch64_linux_prepare_to_resume (struct lwp_info *lwp)
{
struct thread_info *thread = get_lwp_thread (lwp);
ptid_t ptid = ptid_of (thread);
struct arch_lwp_info *info = lwp->arch_private;
if (DR_HAS_CHANGED (info->dr_changed_bp)
|| DR_HAS_CHANGED (info->dr_changed_wp))
{
int tid = ptid_get_lwp (ptid);
struct process_info *proc = find_process_pid (ptid_get_pid (ptid));
struct aarch64_debug_reg_state *state
= &proc->priv->arch_private->debug_reg_state;
if (show_debug_regs)
fprintf (stderr, "prepare_to_resume thread %ld\n", lwpid_of (thread));
/* Watchpoints. */
if (DR_HAS_CHANGED (info->dr_changed_wp))
{
aarch64_linux_set_debug_regs (state, tid, 1);
DR_CLEAR_CHANGED (info->dr_changed_wp);
}
/* Breakpoints. */
if (DR_HAS_CHANGED (info->dr_changed_bp))
{
aarch64_linux_set_debug_regs (state, tid, 0);
DR_CLEAR_CHANGED (info->dr_changed_bp);
}
}
}
void
aarch64_linux_prepare_to_resume (struct lwp_info *lwp)
{
struct arch_lwp_info *info = lwp_arch_private_info (lwp);
/* NULL means this is the main thread still going through the shell,
or, no watchpoint has been set yet. In that case, there's
nothing to do. */
if (info == NULL)
return;
if (DR_HAS_CHANGED (info->dr_changed_bp)
|| DR_HAS_CHANGED (info->dr_changed_wp))
{
ptid_t ptid = ptid_of_lwp (lwp);
int tid = ptid_get_lwp (ptid);
struct aarch64_debug_reg_state *state
= aarch64_get_debug_reg_state (ptid_get_pid (ptid));
if (show_debug_regs)
debug_printf ("prepare_to_resume thread %d\n", tid);
/* Watchpoints. */
if (DR_HAS_CHANGED (info->dr_changed_wp))
{
aarch64_linux_set_debug_regs (state, tid, 1);
DR_CLEAR_CHANGED (info->dr_changed_wp);
}
/* Breakpoints. */
if (DR_HAS_CHANGED (info->dr_changed_bp))
{
aarch64_linux_set_debug_regs (state, tid, 0);
DR_CLEAR_CHANGED (info->dr_changed_bp);
}
}
}