static DWORD64
win32_get_current_dr (int dr)
{
win32_thread_info *th = inferior_target_data (current_thread);
win32_require_context (th);
#define RET_DR(DR) \
case DR: \
return th->context.Dr ## DR
switch (dr)
{
RET_DR (0);
RET_DR (1);
RET_DR (2);
RET_DR (3);
RET_DR (6);
RET_DR (7);
}
#undef RET_DR
gdb_assert_not_reached ("unhandled dr");
}
/* Find a thread record given a thread id. If GET_CONTEXT is set then
also retrieve the context for this thread. */
static win32_thread_info *
thread_rec (ptid_t ptid, int get_context)
{
struct thread_info *thread;
win32_thread_info *th;
thread = (struct thread_info *) find_inferior_id (&all_threads, ptid);
if (thread == NULL)
return NULL;
th = inferior_target_data (thread);
if (get_context)
win32_require_context (th);
return th;
}
static void
i386_prepare_to_resume (win32_thread_info *th)
{
if (th->debug_registers_changed)
{
struct x86_debug_reg_state *dr = &debug_reg_state;
win32_require_context (th);
th->context.Dr0 = dr->dr_mirror[0];
th->context.Dr1 = dr->dr_mirror[1];
th->context.Dr2 = dr->dr_mirror[2];
th->context.Dr3 = dr->dr_mirror[3];
/* th->context.Dr6 = dr->dr_status_mirror;
FIXME: should we set dr6 also ?? */
th->context.Dr7 = dr->dr_control_mirror;
th->debug_registers_changed = 0;
}
}