#ifndef TIDGET
#define TIDGET(PID) (((PID) & 0x7fffffff) >> 16)
-#define PIDGET(PID) (((PID) & 0xffff))
+#define PIDGET0(PID) (((PID) & 0xffff))
+#define PIDGET(PID) ((PIDGET0 (PID) == 0xffff) ? -1 : PIDGET0 (PID))
#define MERGEPID(PID, TID) (((PID) & 0xffff) | ((TID) << 16))
#endif
/* Helper functions. */
static void
-restore_inferior_pid (void *arg)
+restore_inferior_ptid (void *arg)
{
- int *saved_pid_ptr = arg;
- inferior_pid = *saved_pid_ptr;
+ ptid_t *saved_ptid_ptr = arg;
+ inferior_ptid = *saved_ptid_ptr;
xfree (arg);
}
static struct cleanup *
-save_inferior_pid (void)
+save_inferior_ptid (void)
{
- int *saved_pid_ptr;
+ ptid_t *saved_ptid_ptr;
- saved_pid_ptr = xmalloc (sizeof (int));
- *saved_pid_ptr = inferior_pid;
- return make_cleanup (restore_inferior_pid, saved_pid_ptr);
+ saved_ptid_ptr = xmalloc (sizeof (ptid_t));
+ *saved_ptid_ptr = inferior_ptid;
+ return make_cleanup (restore_inferior_ptid, saved_ptid_ptr);
}
\f
/* Convert between user-level thread ids and LWP ids. */
-static int
-thread_from_lwp (int pid)
+static ptid_t
+thread_from_lwp (ptid_t ptid)
{
td_thrinfo_t ti;
td_thrhandle_t th;
td_err_e err;
- if (GET_LWP (pid) == 0)
- pid = BUILD_LWP (pid, pid);
+ if (GET_LWP (ptid) == 0)
+ ptid = BUILD_LWP (GET_PID (ptid), GET_PID (ptid));
- gdb_assert (is_lwp (pid));
+ gdb_assert (is_lwp (ptid));
- err = td_ta_map_lwp2thr_p (thread_agent, GET_LWP (pid), &th);
+ err = td_ta_map_lwp2thr_p (thread_agent, GET_LWP (ptid), &th);
if (err != TD_OK)
error ("Cannot find user-level thread for LWP %d: %s",
- GET_LWP (pid), thread_db_err_str (err));
+ GET_LWP (ptid), thread_db_err_str (err));
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 (pid));
+ return BUILD_THREAD (ti.ti_tid, GET_PID (ptid));
}
-static int
-lwp_from_thread (int pid)
+static ptid_t
+lwp_from_thread (ptid_t ptid)
{
td_thrinfo_t ti;
td_thrhandle_t th;
td_err_e err;
- if (! is_thread (pid))
- return pid;
+ if (! is_thread (ptid))
+ return ptid;
- err = td_ta_map_id2thr_p (thread_agent, GET_THREAD (pid), &th);
+ err = td_ta_map_id2thr_p (thread_agent, GET_THREAD (ptid), &th);
if (err != TD_OK)
error ("Cannot find thread %ld: %s",
- (long) GET_THREAD (pid), thread_db_err_str (err));
+ (long) 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: %s", thread_db_err_str (err));
- return BUILD_LWP (ti.ti_lid, GET_PID (pid));
+ return BUILD_LWP (ti.ti_lid, GET_PID (ptid));
}
\f
/* Initialize the structure that identifies the child process. Note
that at this point there is no guarantee that we actually have a
child process. */
- proc_handle.pid = GET_PID (inferior_pid);
+ proc_handle.pid = GET_PID (inferior_ptid);
/* Now attempt to open a connection to the thread library. */
err = td_ta_new_p (&proc_handle, &thread_agent);
}
static void
-attach_thread (int pid, const td_thrhandle_t *th_p,
+attach_thread (ptid_t ptid, const td_thrhandle_t *th_p,
const td_thrinfo_t *ti_p, int verbose)
{
struct thread_info *tp;
check_thread_signals ();
if (verbose)
- printf_unfiltered ("[New %s]\n", target_pid_to_str (pid));
+ printf_unfiltered ("[New %s]\n", target_pid_to_str (ptid));
/* Add the thread to GDB's thread list. */
- tp = add_thread (pid);
+ tp = add_thread (ptid);
tp->private = xmalloc (sizeof (struct private_thread_info));
tp->private->lwpid = ti_p->ti_lid;
/* Under Linux, we have to attach to each and every thread. */
#ifdef ATTACH_LWP
- if (ti_p->ti_lid != GET_PID (pid))
- ATTACH_LWP (BUILD_LWP (ti_p->ti_lid, GET_PID (pid)), 0);
+ if (ti_p->ti_lid != GET_PID (ptid))
+ ATTACH_LWP (BUILD_LWP (ti_p->ti_lid, GET_PID (ptid)), 0);
#endif
/* Enable thread event reporting for this thread. */
err = td_thr_event_enable_p (th_p, 1);
if (err != TD_OK)
error ("Cannot enable thread event reporting for %s: %s",
- target_pid_to_str (pid), thread_db_err_str (err));
+ target_pid_to_str (ptid), thread_db_err_str (err));
}
static void
-detach_thread (int pid, int verbose)
+detach_thread (ptid_t ptid, int verbose)
{
if (verbose)
- printf_unfiltered ("[%s exited]\n", target_pid_to_str (pid));
+ printf_unfiltered ("[%s exited]\n", target_pid_to_str (ptid));
}
static void
}
static void
-thread_db_resume (int pid, int step, enum target_signal signo)
+thread_db_resume (ptid_t ptid, int step, enum target_signal signo)
{
- struct cleanup *old_chain = save_inferior_pid ();
+ struct cleanup *old_chain = save_inferior_ptid ();
- if (pid == -1)
- inferior_pid = lwp_from_thread (inferior_pid);
- else if (is_thread (pid))
- pid = lwp_from_thread (pid);
+ if (GET_PID (ptid) == -1)
+ inferior_ptid = lwp_from_thread (inferior_ptid);
+ else if (is_thread (ptid))
+ ptid = lwp_from_thread (ptid);
- target_beneath->to_resume (pid, step, signo);
+ target_beneath->to_resume (ptid, step, signo);
do_cleanups (old_chain);
}
the event. */
static void
-check_event (int pid)
+check_event (ptid_t ptid)
{
td_event_msg_t msg;
td_thrinfo_t ti;
CORE_ADDR stop_pc;
/* Bail out early if we're not at a thread event breakpoint. */
- stop_pc = read_pc_pid (pid) - DECR_PC_AFTER_BREAK;
+ stop_pc = read_pc_pid (ptid) - DECR_PC_AFTER_BREAK;
if (stop_pc != td_create_bp_addr && stop_pc != td_death_bp_addr)
return;
if (err != TD_OK)
error ("Cannot get thread info: %s", thread_db_err_str (err));
- pid = BUILD_THREAD (ti.ti_tid, GET_PID (pid));
+ ptid = BUILD_THREAD (ti.ti_tid, GET_PID (ptid));
switch (msg.event)
{
/* We may already know about this thread, for instance when the
user has issued the `info threads' command before the SIGTRAP
for hitting the thread creation breakpoint was reported. */
- if (! in_thread_list (pid))
- attach_thread (pid, msg.th_p, &ti, 1);
+ if (! in_thread_list (ptid))
+ attach_thread (ptid, msg.th_p, &ti, 1);
return;
case TD_DEATH:
error ("Thread death event doesn't match breakpoint.");
#endif
- if (! in_thread_list (pid))
+ if (! in_thread_list (ptid))
error ("Spurious thread death event.");
- detach_thread (pid, 1);
+ detach_thread (ptid, 1);
return;
default:
}
}
-static int
-thread_db_wait (int pid, struct target_waitstatus *ourstatus)
+static ptid_t
+thread_db_wait (ptid_t ptid, struct target_waitstatus *ourstatus)
{
- extern int trap_pid;
+ extern ptid_t trap_ptid;
- if (pid != -1 && is_thread (pid))
- pid = lwp_from_thread (pid);
+ if (GET_PID (ptid) != -1 && is_thread (ptid))
+ ptid = lwp_from_thread (ptid);
- pid = target_beneath->to_wait (pid, ourstatus);
+ ptid = target_beneath->to_wait (ptid, ourstatus);
if (proc_handle.pid == 0)
/* The current child process isn't the actual multi-threaded
program yet, so don't try to do any special thread-specific
post-processing and bail out early. */
- return pid;
+ return ptid;
if (ourstatus->kind == TARGET_WAITKIND_EXITED)
- return -1;
+ return pid_to_ptid (-1);
if (ourstatus->kind == TARGET_WAITKIND_STOPPED
&& ourstatus->value.sig == TARGET_SIGNAL_TRAP)
/* Check for a thread event. */
- check_event (pid);
+ check_event (ptid);
- if (trap_pid)
- trap_pid = thread_from_lwp (trap_pid);
+ if (!ptid_equal (trap_ptid, null_ptid))
+ trap_ptid = thread_from_lwp (trap_ptid);
- return thread_from_lwp (pid);
+ return thread_from_lwp (ptid);
}
static int
struct mem_attrib *attrib,
struct target_ops *target)
{
- struct cleanup *old_chain = save_inferior_pid ();
+ struct cleanup *old_chain = save_inferior_ptid ();
int xfer;
- if (is_thread (inferior_pid))
+ if (is_thread (inferior_ptid))
{
/* FIXME: This seems to be necessary to make sure breakpoints
are removed. */
- if (! target_thread_alive (inferior_pid))
- inferior_pid = GET_PID (inferior_pid);
+ if (! target_thread_alive (inferior_ptid))
+ inferior_ptid = pid_to_ptid (GET_PID (inferior_ptid));
else
- inferior_pid = lwp_from_thread (inferior_pid);
+ inferior_ptid = lwp_from_thread (inferior_ptid);
}
xfer = target_beneath->to_xfer_memory (memaddr, myaddr, len, write, attrib, target);
gdb_prfpregset_t fpregset;
td_err_e err;
- if (! is_thread (inferior_pid))
+ if (! is_thread (inferior_ptid))
{
/* Pass the request to the target beneath us. */
target_beneath->to_fetch_registers (regno);
return;
}
- err = td_ta_map_id2thr_p (thread_agent, GET_THREAD (inferior_pid), &th);
+ err = td_ta_map_id2thr_p (thread_agent, GET_THREAD (inferior_ptid), &th);
if (err != TD_OK)
error ("Cannot find thread %ld: %s",
- (long) GET_THREAD (inferior_pid), thread_db_err_str (err));
+ (long) GET_THREAD (inferior_ptid), thread_db_err_str (err));
err = td_thr_getgregs_p (&th, gregset);
if (err != TD_OK)
error ("Cannot fetch general-purpose registers for thread %ld: %s",
- (long) GET_THREAD (inferior_pid), thread_db_err_str (err));
+ (long) GET_THREAD (inferior_ptid), thread_db_err_str (err));
err = td_thr_getfpregs_p (&th, &fpregset);
if (err != TD_OK)
error ("Cannot get floating-point registers for thread %ld: %s",
- (long) GET_THREAD (inferior_pid), thread_db_err_str (err));
+ (long) GET_THREAD (inferior_ptid), thread_db_err_str (err));
/* Note that we must call supply_gregset after calling the thread_db
routines because the thread_db routines call ps_lgetgregs and
gdb_prfpregset_t fpregset;
td_err_e err;
- if (! is_thread (inferior_pid))
+ if (! is_thread (inferior_ptid))
{
/* Pass the request to the target beneath us. */
target_beneath->to_store_registers (regno);
return;
}
- err = td_ta_map_id2thr_p (thread_agent, GET_THREAD (inferior_pid), &th);
+ err = td_ta_map_id2thr_p (thread_agent, GET_THREAD (inferior_ptid), &th);
if (err != TD_OK)
error ("Cannot find thread %ld: %s",
- (long) GET_THREAD (inferior_pid), thread_db_err_str (err));
+ (long) GET_THREAD (inferior_ptid), thread_db_err_str (err));
if (regno != -1)
{
err = td_thr_setgregs_p (&th, gregset);
if (err != TD_OK)
error ("Cannot store general-purpose registers for thread %ld: %s",
- (long) GET_THREAD (inferior_pid), thread_db_err_str (err));
+ (long) GET_THREAD (inferior_ptid), thread_db_err_str (err));
err = td_thr_setfpregs_p (&th, &fpregset);
if (err != TD_OK)
error ("Cannot store floating-point registers for thread %ld: %s",
- (long) GET_THREAD (inferior_pid), thread_db_err_str (err));
+ (long) GET_THREAD (inferior_ptid), thread_db_err_str (err));
}
static void
}
static void
-thread_db_post_startup_inferior (int pid)
+thread_db_post_startup_inferior (ptid_t ptid)
{
if (proc_handle.pid == 0)
{
/* The child process is now the actual multi-threaded
program. Snatch its process ID... */
- proc_handle.pid = GET_PID (pid);
+ proc_handle.pid = GET_PID (ptid);
/* ...and perform the remaining initialization steps. */
enable_thread_event_reporting ();
}
static int
-thread_db_thread_alive (int pid)
+thread_db_thread_alive (ptid_t ptid)
{
- if (is_thread (pid))
+ if (is_thread (ptid))
{
td_thrhandle_t th;
td_err_e err;
- err = td_ta_map_id2thr_p (thread_agent, GET_THREAD (pid), &th);
+ err = td_ta_map_id2thr_p (thread_agent, GET_THREAD (ptid), &th);
if (err != TD_OK)
return 0;
}
if (target_beneath->to_thread_alive)
- return target_beneath->to_thread_alive (pid);
+ return target_beneath->to_thread_alive (ptid);
return 0;
}
{
td_thrinfo_t ti;
td_err_e err;
- int pid;
+ ptid_t ptid;
err = td_thr_get_info_p (th_p, &ti);
if (err != TD_OK)
error ("Cannot get thread info: %s", thread_db_err_str (err));
- pid = BUILD_THREAD (ti.ti_tid, GET_PID (inferior_pid));
+ ptid = BUILD_THREAD (ti.ti_tid, GET_PID (inferior_ptid));
- if (! in_thread_list (pid))
- attach_thread (pid, th_p, &ti, 1);
+ if (! in_thread_list (ptid))
+ attach_thread (ptid, th_p, &ti, 1);
return 0;
}
}
static char *
-thread_db_pid_to_str (int pid)
+thread_db_pid_to_str (ptid_t ptid)
{
- if (is_thread (pid))
+ if (is_thread (ptid))
{
static char buf[64];
td_thrhandle_t th;
td_thrinfo_t ti;
td_err_e err;
- err = td_ta_map_id2thr_p (thread_agent, GET_THREAD (pid), &th);
+ err = td_ta_map_id2thr_p (thread_agent, GET_THREAD (ptid), &th);
if (err != TD_OK)
error ("Cannot find thread %ld: %s",
- (long) GET_THREAD (pid), thread_db_err_str (err));
+ (long) 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 for thread %ld: %s",
- (long) GET_THREAD (pid), thread_db_err_str (err));
+ (long) GET_THREAD (ptid), thread_db_err_str (err));
if (ti.ti_state == TD_THR_ACTIVE && ti.ti_lid != 0)
{
return buf;
}
- if (target_beneath->to_pid_to_str (pid))
- return target_beneath->to_pid_to_str (pid);
+ if (target_beneath->to_pid_to_str (ptid))
+ return target_beneath->to_pid_to_str (ptid);
- return normal_pid_to_str (pid);
+ return normal_pid_to_str (ptid);
}
static void
projects / deliverable / binutils-gdb.git / blobdiff