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-rw-r--r--gdb/infttrace.c104
1 files changed, 54 insertions, 50 deletions
diff --git a/gdb/infttrace.c b/gdb/infttrace.c
index 3229f35..ffcbd20 100644
--- a/gdb/infttrace.c
+++ b/gdb/infttrace.c
@@ -383,7 +383,7 @@ static thread_info_header thread_head =
static thread_info_header deleted_threads =
{0, NULL, NULL};
-static saved_real_pid = 0;
+static ptid_t saved_real_ptid;
/*************************************************
@@ -623,7 +623,7 @@ create_thread_info (int pid, lwpid_t tid)
if (debug_on)
printf ("First thread, pid %d tid %d!\n", pid, tid);
#endif
- saved_real_pid = inferior_pid;
+ saved_real_ptid = inferior_ptid;
}
else
{
@@ -1238,7 +1238,7 @@ update_thread_list (void)
for (p = thread_head.head; p; p = p->next)
{
/* Is this an "unseen" thread which really happens to be a process?
- If so, is it inferior_pid and is a vfork in flight? If yes to
+ If so, is it inferior_ptid and is a vfork in flight? If yes to
all, then DON'T REMOVE IT! We're in the midst of moving a vfork
operation, which is a multiple step thing, to the point where we
can touch the parent again. We've most likely stopped to examine
@@ -1625,14 +1625,15 @@ call_ttrace (ttreq_t request, int gdb_tid, TTRACE_ARG_TYPE addr,
* in the multi-process future. Use tid as thread,
* probably dooming this to failure. FIX!
*/
- if (saved_real_pid != 0)
+ if (! ptid_equal (saved_real_ptid, null_ptid))
{
#ifdef THREAD_DEBUG
if (debug_on)
- printf ("...using saved pid %d\n", saved_real_pid);
+ printf ("...using saved pid %d\n",
+ PIDGET (saved_real_ptid));
#endif
- real_pid = saved_real_pid;
+ real_pid = PIDGET (saved_real_ptid);
real_tid = gdb_tid;
}
@@ -1653,14 +1654,14 @@ call_ttrace (ttreq_t request, int gdb_tid, TTRACE_ARG_TYPE addr,
if (debug_on)
{
printf ("Translated thread request to process request\n");
- if (saved_real_pid == 0)
+ if (ptid_equal (saved_real_ptid, null_ptid))
printf ("...but there's no saved pid\n");
else
{
- if (gdb_tid != saved_real_pid)
+ if (gdb_tid != PIDGET (saved_real_ptid))
printf ("...but have the wrong pid (%d rather than %d)\n",
- gdb_tid, saved_real_pid);
+ gdb_tid, PIDGET (saved_real_ptid));
}
}
#endif
@@ -1747,11 +1748,11 @@ stop_all_threads_of_process (pid_t real_pid)
have its threads examined.
*/
#define CHILD_VFORKED(evt,pid) \
- (((evt) == TTEVT_VFORK) && ((pid) != inferior_pid))
+ (((evt) == TTEVT_VFORK) && ((pid) != PIDGET (inferior_ptid)))
#define CHILD_URPED(evt,pid) \
((((evt) == TTEVT_EXEC) || ((evt) == TTEVT_EXIT)) && ((pid) != vforking_child_pid))
#define PARENT_VFORKED(evt,pid) \
- (((evt) == TTEVT_VFORK) && ((pid) == inferior_pid))
+ (((evt) == TTEVT_VFORK) && ((pid) == PIDGET (inferior_ptid)))
static int
can_touch_threads_of_process (int pid, ttevents_t stopping_event)
@@ -2595,8 +2596,8 @@ count_unhandled_events (int real_pid, lwpid_t real_tid)
*
* Note: used by core gdb and so uses the pseudo-pid (really tid).
*/
-int
-ptrace_wait (int pid, int *status)
+ptid_t
+ptrace_wait (ptid_t ptid, int *status)
{
ttstate_t tsp;
int ttwait_return;
@@ -2620,13 +2621,13 @@ ptrace_wait (int pid, int *status)
if (errno == ESRCH)
{
*status = 0; /* WIFEXITED */
- return inferior_pid;
+ return inferior_ptid;
}
warning ("Call of ttrace_wait returned with errno %d.",
errno);
*status = ttwait_return;
- return inferior_pid;
+ return inferior_ptid;
}
real_pid = tsp.tts_pid;
@@ -2688,7 +2689,7 @@ ptrace_wait (int pid, int *status)
#ifdef THREAD_DEBUG
if (debug_on)
printf ("Pid %d has zero'th thread %d; inferior pid is %d\n",
- real_pid, real_tid, inferior_pid);
+ real_pid, real_tid, PIDGET (inferior_ptid));
#endif
add_tthread (real_pid, real_tid);
@@ -2851,7 +2852,7 @@ ptrace_wait (int pid, int *status)
* a new thread if for some reason it's never
* seen the main thread before.
*/
- inferior_pid = map_to_gdb_tid (real_tid); /* HACK, FIX */
+ inferior_ptid = pid_to_ptid (map_to_gdb_tid (real_tid)); /* HACK, FIX */
*status = 0 | (tsp.tts_u.tts_exit.tts_exitcode);
}
@@ -2904,7 +2905,7 @@ ptrace_wait (int pid, int *status)
/* Remember this for later use in "hppa_prepare_to_proceed".
*/
- old_gdb_pid = inferior_pid;
+ old_gdb_pid = PIDGET (inferior_ptid);
reported_pid = return_pid;
reported_bpt = ((tsp.tts_event & TTEVT_SIGNAL) && (5 == tsp.tts_u.tts_signal.tts_signo));
@@ -2913,7 +2914,7 @@ ptrace_wait (int pid, int *status)
warning ("Internal error: process-wait failed.");
}
- return return_pid;
+ return pid_to_ptid (return_pid);
}
@@ -3150,9 +3151,9 @@ child_acknowledge_created_inferior (int pid)
* calling require_notification_of_events.
*/
void
-child_post_startup_inferior (int real_pid)
+child_post_startup_inferior (ptid_t ptid)
{
- require_notification_of_events (real_pid);
+ require_notification_of_events (PIDGET (ptid));
}
/* From here on, we should expect tids rather than pids.
@@ -3582,8 +3583,9 @@ child_has_syscall_event (int pid, enum target_waitkind *kind, int *syscall_id)
* May need a FIXME for that reason.
*/
int
-child_thread_alive (lwpid_t gdb_tid)
+child_thread_alive (ptid_t ptid)
{
+ lwpid_t gdp_tid = PIDGET (ptid);
lwpid_t tid;
/* This spins down the lists twice.
@@ -3815,11 +3817,11 @@ kill_inferior (void)
thread_info **paranoia;
int para_count, i;
- if (inferior_pid == 0)
+ if (PIDGET (inferior_ptid) == 0)
return;
/* Walk the list of "threads", some of which are "pseudo threads",
- aka "processes". For each that is NOT inferior_pid, stop it,
+ aka "processes". For each that is NOT inferior_ptid, stop it,
and detach it.
You see, we may not have just a single process to kill. If we're
@@ -3849,7 +3851,7 @@ kill_inferior (void)
}
para_count++;
- if (t->am_pseudo && (t->pid != inferior_pid))
+ if (t->am_pseudo && (t->pid != PIDGET (inferior_ptid)))
{
/* TT_PROC_STOP doesn't require a subsequent ttrace_wait, as it
* generates no event.
@@ -3872,7 +3874,7 @@ kill_inferior (void)
xfree (paranoia);
call_ttrace (TT_PROC_STOP,
- inferior_pid,
+ PIDGET (inferior_ptid),
TT_NIL,
TT_NIL,
TT_NIL);
@@ -4313,7 +4315,7 @@ threads_continue_one_with_signal (lwpid_t gdb_tid, int signal)
* -1 | Step current Continue all threads
* | thread and (but which gets any
* | continue others signal?--We look at
- * | "inferior_pid")
+ * | "inferior_ptid")
* |
* N | Step _this_ thread Continue _this_ thread
* | and leave others and leave others
@@ -4323,11 +4325,12 @@ threads_continue_one_with_signal (lwpid_t gdb_tid, int signal)
* | user command.
*/
void
-child_resume (lwpid_t gdb_tid, int step, enum target_signal signal)
+child_resume (ptid_t ptid, int step, enum target_signal signal)
{
int resume_all_threads;
lwpid_t tid;
process_state_t new_process_state;
+ lwpid_t gdb_tid = PIDGET (ptid);
resume_all_threads =
(gdb_tid == INFTTRACE_ALL_THREADS) ||
@@ -4342,7 +4345,7 @@ child_resume (lwpid_t gdb_tid, int step, enum target_signal signal)
if (vfork_in_flight)
tid = vforking_child_pid;
else
- tid = map_from_gdb_tid (inferior_pid);
+ tid = map_from_gdb_tid (PIDGET (inferior_ptid));
}
else
tid = map_from_gdb_tid (gdb_tid);
@@ -4648,7 +4651,7 @@ child_resume (lwpid_t gdb_tid, int step, enum target_signal signal)
/*
* Like it says.
*
- * One worry is that we may not be attaching to "inferior_pid"
+ * One worry is that we may not be attaching to "inferior_ptid"
* and thus may not want to clear out our data. FIXME?
*
*/
@@ -4702,7 +4705,7 @@ update_thread_state_after_attach (int pid, attach_continue_t kind_of_go)
*
* We don't need to do mapping here, as we know this
* is the first thread and thus gets the real pid
- * (and is "inferior_pid").
+ * (and is "inferior_ptid").
*
* NOTE: it probably isn't the originating thread,
* but that doesn't matter (we hope!).
@@ -4876,7 +4879,7 @@ detach (int signal)
{
errno = 0;
call_ttrace (TT_PROC_DETACH,
- inferior_pid,
+ PIDGET (inferior_ptid),
TT_NIL,
(TTRACE_ARG_TYPE) signal,
TT_NIL);
@@ -4939,7 +4942,7 @@ child_xfer_memory (CORE_ADDR memaddr, char *myaddr, int len, int write,
{
/* Need part of initial word -- fetch it. */
buffer[0] = call_ttrace (TT_LWP_RDTEXT,
- inferior_pid,
+ PIDGET (inferior_ptid),
(TTRACE_ARG_TYPE) addr,
TT_NIL,
TT_NIL);
@@ -4948,7 +4951,7 @@ child_xfer_memory (CORE_ADDR memaddr, char *myaddr, int len, int write,
if (count > 1) /* FIXME, avoid if even boundary */
{
buffer[count - 1] = call_ttrace (TT_LWP_RDTEXT,
- inferior_pid,
+ PIDGET (inferior_ptid),
((TTRACE_ARG_TYPE)
(addr + (count - 1) * sizeof (TTRACE_XFER_TYPE))),
TT_NIL,
@@ -4967,7 +4970,7 @@ child_xfer_memory (CORE_ADDR memaddr, char *myaddr, int len, int write,
{
errno = 0;
call_ttrace (TT_LWP_WRDATA,
- inferior_pid,
+ PIDGET (inferior_ptid),
(TTRACE_ARG_TYPE) addr,
(TTRACE_ARG_TYPE) buffer[i],
TT_NIL);
@@ -4977,7 +4980,7 @@ child_xfer_memory (CORE_ADDR memaddr, char *myaddr, int len, int write,
Gould NP1, at least. */
errno = 0;
call_ttrace (TT_LWP_WRTEXT,
- inferior_pid,
+ PIDGET (inferior_ptid),
(TTRACE_ARG_TYPE) addr,
(TTRACE_ARG_TYPE) buffer[i],
TT_NIL);
@@ -4993,7 +4996,7 @@ child_xfer_memory (CORE_ADDR memaddr, char *myaddr, int len, int write,
{
errno = 0;
buffer[i] = call_ttrace (TT_LWP_RDTEXT,
- inferior_pid,
+ PIDGET (inferior_ptid),
(TTRACE_ARG_TYPE) addr,
TT_NIL,
TT_NIL);
@@ -5044,7 +5047,7 @@ udot_info (void)
printf_filtered ("%04x:", udot_off);
}
udot_val = call_ttrace (TT_LWP_RUREGS,
- inferior_pid,
+ PIDGET (inferior_ptid),
(TTRACE_ARG_TYPE) udot_off,
TT_NIL,
TT_NIL);
@@ -5074,7 +5077,7 @@ child_pid_to_exec_file (int tid)
int name_index;
int i;
int done;
- int saved_inferior_pid;
+ ptid_t saved_inferior_ptid;
/* As of 10.x HP-UX, there's an explicit request to get the
*pathname.
@@ -5100,19 +5103,19 @@ child_pid_to_exec_file (int tid)
name_index = 0;
done = 0;
- /* On the chance that pid != inferior_pid, set inferior_pid
- to pid, so that (grrrr!) implicit uses of inferior_pid get
+ /* On the chance that pid != inferior_ptid, set inferior_ptid
+ to pid, so that (grrrr!) implicit uses of inferior_ptid get
the right id.
*/
- saved_inferior_pid = inferior_pid;
- inferior_pid = tid;
+ saved_inferior_ptid = inferior_ptid;
+ inferior_ptid = pid_to_ptid (tid);
/* Try to grab a null-terminated string. */
while (!done)
{
if (target_read_memory (top_of_stack, four_chars, 4) != 0)
{
- inferior_pid = saved_inferior_pid;
+ inferior_ptid = saved_inferior_ptid;
return NULL;
}
for (i = 0; i < 4; i++)
@@ -5127,11 +5130,11 @@ child_pid_to_exec_file (int tid)
if (exec_file_buffer[0] == '\0')
{
- inferior_pid = saved_inferior_pid;
+ inferior_ptid = saved_inferior_ptid;
return NULL;
}
- inferior_pid = saved_inferior_pid;
+ inferior_ptid = saved_inferior_ptid;
return exec_file_buffer;
}
@@ -5626,17 +5629,18 @@ hppa_range_profitable_for_hw_watchpoint (int pid, CORE_ADDR start, LONGEST len)
char *
-hppa_pid_or_tid_to_str (pid_t id)
+hppa_pid_or_tid_to_str (ptid_t ptid)
{
static char buf[100]; /* Static because address returned. */
+ pid_t id = PIDGET (ptid);
/* Does this appear to be a process? If so, print it that way. */
if (is_process_id (id))
- return child_pid_to_str (id);
+ return child_pid_to_str (ptid);
/* Else, print both the GDB thread number and the system thread id. */
- sprintf (buf, "thread %d (", pid_to_thread_id (id));
- strcat (buf, hppa_tid_to_str (id));
+ sprintf (buf, "thread %d (", pid_to_thread_id (ptid));
+ strcat (buf, hppa_tid_to_str (ptid));
strcat (buf, ")\0");
return buf;