static void
fbsd_lwp_store_registers (struct target_ops *ops,
struct regcache *regcache, int regnum)
{
gregset_t gregs;
fpregset_t fpregs;
lwpid_t lwp;
#ifdef PT_GETXMMREGS
char xmmregs[512];
#endif
/* FIXME, is it possible ? */
if (!IS_LWP (inferior_ptid))
{
struct target_ops *beneath = find_target_beneath (ops);
beneath->to_store_registers (ops, regcache, regnum);
return ;
}
lwp = GET_LWP (inferior_ptid);
if (regnum != -1)
if (ptrace (PT_GETREGS, lwp, (caddr_t) &gregs, 0) == -1)
error ("Cannot get lwp %d registers: %s\n", lwp, safe_strerror (errno));
fill_gregset (regcache, &gregs, regnum);
if (ptrace (PT_SETREGS, lwp, (caddr_t) &gregs, 0) == -1)
error ("Cannot set lwp %d registers: %s\n", lwp, safe_strerror (errno));
#ifdef PT_GETXMMREGS
if (regnum != -1)
if (ptrace (PT_GETXMMREGS, lwp, xmmregs, 0) == -1)
goto noxmm;
i387_collect_fxsave (regcache, regnum, xmmregs);
if (ptrace (PT_SETXMMREGS, lwp, xmmregs, 0) == -1)
goto noxmm;
return;
noxmm:
#endif
if (regnum != -1)
if (ptrace (PT_GETFPREGS, lwp, (caddr_t) &fpregs, 0) == -1)
error ("Cannot get lwp %d float registers: %s\n", lwp,
safe_strerror (errno));
fill_fpregset (regcache, &fpregs, regnum);
if (ptrace (PT_SETFPREGS, lwp, (caddr_t) &fpregs, 0) == -1)
error ("Cannot set lwp %d float registers: %s\n", lwp,
safe_strerror (errno));
}
static void
fbsd_lwp_store_registers (int regno)
{
gregset_t gregs;
fpregset_t fpregs;
lwpid_t lwp;
#ifdef PT_GETXMMREGS
char xmmregs[512];
#endif
/* FIXME, is it possible ? */
if (!IS_LWP (inferior_ptid))
{
child_ops.to_store_registers (regno);
return ;
}
lwp = GET_LWP (inferior_ptid);
if (regno != -1)
if (ptrace (PT_GETREGS, lwp, (caddr_t) &gregs, 0) == -1)
error ("Cannot get lwp %d registers: %s\n", lwp, safe_strerror (errno));
fill_gregset (&gregs, regno);
if (ptrace (PT_SETREGS, lwp, (caddr_t) &gregs, 0) == -1)
error ("Cannot set lwp %d registers: %s\n", lwp, safe_strerror (errno));
#ifdef PT_GETXMMREGS
if (regno != -1)
if (ptrace (PT_GETXMMREGS, lwp, xmmregs, 0) == -1)
goto noxmm;
i387_fill_fxsave (xmmregs, regno);
if (ptrace (PT_SETXMMREGS, lwp, xmmregs, 0) == -1)
goto noxmm;
return;
noxmm:
#endif
if (regno != -1)
if (ptrace (PT_GETFPREGS, lwp, (caddr_t) &fpregs, 0) == -1)
error ("Cannot get lwp %d float registers: %s\n", lwp,
safe_strerror (errno));
fill_fpregset (&fpregs, regno);
if (ptrace (PT_SETFPREGS, lwp, (caddr_t) &fpregs, 0) == -1)
error ("Cannot set lwp %d float registers: %s\n", lwp,
safe_strerror (errno));
}
static char *
fbsd_thread_pid_to_str (ptid_t ptid)
{
static char buf[64 + MAXCOMLEN];
if (IS_THREAD (ptid))
{
td_thrhandle_t th;
td_thrinfo_t ti;
td_err_e err;
err = td_ta_map_id2thr_p (thread_agent, GET_THREAD (ptid), &th);
if (err != TD_OK)
error ("Cannot find thread, Thread ID=%ld, %s",
GET_THREAD (ptid), thread_db_err_str (err));
err = td_thr_get_info_p (&th, &ti);
if (err != TD_OK)
error ("Cannot get thread info, Thread ID=%ld, %s",
GET_THREAD (ptid), thread_db_err_str (err));
if (ti.ti_lid != 0)
{
snprintf (buf, sizeof (buf), "Thread %llx (LWP %d/%s)",
(unsigned long long)th.th_thread, ti.ti_lid,
fbsd_thread_get_name (ti.ti_lid));
}
else
{
snprintf (buf, sizeof (buf), "Thread %llx (%s)",
(unsigned long long)th.th_thread,
thread_db_state_str (ti.ti_state));
}
return buf;
}
else if (IS_LWP (ptid))
{
snprintf (buf, sizeof (buf), "LWP %d", (int) GET_LWP (ptid));
return buf;
}
return normal_pid_to_str (ptid);
}
/* Convert LWP to user-level thread id. */
static ptid_t
thread_from_lwp (ptid_t ptid, td_thrhandle_t *th, td_thrinfo_t *ti)
{
td_err_e err;
gdb_assert (IS_LWP (ptid));
if (fbsd_thread_active)
{
err = td_ta_map_lwp2thr_p (thread_agent, GET_LWP (ptid), th);
if (err == TD_OK)
{
err = td_thr_get_info_p (th, ti);
if (err != TD_OK)
error ("Cannot get thread info: %s", thread_db_err_str (err));
return BUILD_THREAD (ti->ti_tid, GET_PID (ptid));
}
}
/* the LWP is not mapped to user thread */
return BUILD_LWP (GET_LWP (ptid), GET_PID (ptid));
}
