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Differential D11199 Diff 29822 gnu/usr.bin/gdb/libgdb/fbsd-threads.c

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gnu/usr.bin/gdb/libgdb/fbsd-threads.c

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} }
lwp = GET_LWP (work_ptid); lwp = GET_LWP (work_ptid);
if (lwp == 0) if (lwp == 0)
{ {
/* check user thread */ /* check user thread */
ret = td_ta_map_id2thr_p (thread_agent, GET_THREAD(work_ptid), &th); ret = td_ta_map_id2thr_p (thread_agent, GET_THREAD(work_ptid), &th);
if (ret) if (ret)
error (thread_db_err_str (ret)); error ("%s", thread_db_err_str (ret));
/* For M:N thread, we need to tell UTS to set/unset single step /* For M:N thread, we need to tell UTS to set/unset single step
flag at context switch time, the flag will be written into flag at context switch time, the flag will be written into
thread mailbox. This becauses some architecture may not have thread mailbox. This becauses some architecture may not have
machine single step flag in ucontext, so we put the flag in mailbox, machine single step flag in ucontext, so we put the flag in mailbox,
when the thread switches back, kse_switchin restores the single step when the thread switches back, kse_switchin restores the single step
state. */ state. */
ret = td_thr_sstep_p (&th, step); ret = td_thr_sstep_p (&th, step);
if (ret) if (ret)
error (thread_db_err_str (ret)); error ("%s", thread_db_err_str (ret));
ret = td_thr_get_info_p (&th, &ti); ret = td_thr_get_info_p (&th, &ti);
if (ret) if (ret)
error (thread_db_err_str (ret)); error ("%s", thread_db_err_str (ret));
thvalid = 1; thvalid = 1;
lwp = ti.ti_lid; lwp = ti.ti_lid;
} }
if (lwp) if (lwp)
{ {
int req = step ? PT_SETSTEP : PT_CLEARSTEP; int req = step ? PT_SETSTEP : PT_CLEARSTEP;
if (ptrace (req, (pid_t) lwp, (caddr_t) 1, target_signal_to_host(signo))) if (ptrace (req, (pid_t) lwp, (caddr_t) 1, target_signal_to_host(signo)))
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#endif #endif
supply_register (regno, old_value); supply_register (regno, old_value);
} }
fill_gregset (gregset, regno); fill_gregset (gregset, regno);
err = td_thr_setgregs_p (&th, gregset); err = td_thr_setgregs_p (&th, gregset);
if (err != TD_OK) if (err != TD_OK)
error ("Cannot store general-purpose registers for thread %d: Thread ID=%d, %s", error ("Cannot store general-purpose registers for thread %d: Thread ID=%d, %s",
pid_to_thread_id (inferior_ptid), GET_THREAD (inferior_ptid), pid_to_thread_id (inferior_ptid), (int)GET_THREAD (inferior_ptid),
thread_db_err_str (err)); thread_db_err_str (err));
#ifdef PT_GETXMMREGS #ifdef PT_GETXMMREGS
i387_fill_fxsave (xmmregs, regno); i387_fill_fxsave (xmmregs, regno);
err = td_thr_setxmmregs_p (&th, xmmregs); err = td_thr_setxmmregs_p (&th, xmmregs);
if (err == TD_OK) if (err == TD_OK)
return; return;
#endif #endif
fill_fpregset (&fpregset, regno); fill_fpregset (&fpregset, regno);
err = td_thr_setfpregs_p (&th, &fpregset); err = td_thr_setfpregs_p (&th, &fpregset);
if (err != TD_OK) if (err != TD_OK)
error ("Cannot store floating-point registers for thread %d: Thread ID=%d, %s", error ("Cannot store floating-point registers for thread %d: Thread ID=%d, %s",
pid_to_thread_id (inferior_ptid), GET_THREAD (inferior_ptid), pid_to_thread_id (inferior_ptid), (int)GET_THREAD (inferior_ptid),
thread_db_err_str (err)); thread_db_err_str (err));
} }
static void static void
fbsd_thread_kill (void) fbsd_thread_kill (void)
{ {
child_ops.to_kill(); child_ops.to_kill();
} }
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