static ptid_t target_last_wait_ptid;
static struct target_waitstatus target_last_waitstatus;
-static void context_switch (ptid_t ptid);
-
void init_thread_stepping_state (struct thread_info *tss);
static const char follow_fork_mode_child[] = "child";
if (has_vforked)
{
/* Keep breakpoints list in sync. */
- remove_breakpoints_pid (ptid_get_pid (inferior_ptid));
+ remove_breakpoints_inf (current_inferior ());
}
if (print_inferior_events)
/* Check if we switched over from WAIT_PTID, since the event was
reported. */
- if (!ptid_equal (wait_ptid, minus_one_ptid)
- && !ptid_equal (inferior_ptid, wait_ptid))
+ if (wait_ptid != minus_one_ptid
+ && inferior_ptid != wait_ptid)
{
/* We did. Switch back to WAIT_PTID thread, to tell the
target to follow it (in either direction). We'll
afterwards refuse to resume, and inform the user what
happened. */
- switch_to_thread (wait_ptid);
+ thread_info *wait_thread
+ = find_thread_ptid (wait_ptid);
+ switch_to_thread (wait_thread);
should_resume = 0;
}
}
/* If we followed the child, switch to it... */
if (follow_child)
{
- switch_to_thread (child);
+ thread_info *child_thr = find_thread_ptid (child);
+ switch_to_thread (child_thr);
/* ... and preserve the stepping state, in case the
user was stepping over the fork call. */
/* Reset breakpoints in the child as appropriate. */
follow_inferior_reset_breakpoints ();
}
- else
- switch_to_thread (parent);
}
}
break;
{
int pid = * (int *) arg;
- if (ptid_get_pid (thread->ptid) == pid
- && is_running (thread->ptid)
- && !is_executing (thread->ptid)
+ if (thread->ptid.pid () == pid
+ && thread->state == THREAD_RUNNING
+ && !thread->executing
&& !thread->stop_requested
&& thread->suspend.stop_signal == GDB_SIGNAL_0)
{
"infrun: resuming vfork parent thread %s\n",
target_pid_to_str (thread->ptid));
- switch_to_thread (thread->ptid);
+ switch_to_thread (thread);
clear_proceed_status (0);
proceed ((CORE_ADDR) -1, GDB_SIGNAL_DEFAULT);
}
maybe_restore_thread.emplace ();
/* We're letting loose of the parent. */
- tp = any_live_thread_of_process (inf->vfork_parent->pid);
- switch_to_thread (tp->ptid);
+ tp = any_live_thread_of_inferior (inf->vfork_parent);
+ switch_to_thread (tp);
/* We're about to detach from the parent, which implicitly
removes breakpoints from its address space. There's a
notifications. */
ALL_THREADS_SAFE (th, tmp)
if (ptid_get_pid (th->ptid) == pid && !ptid_equal (th->ptid, ptid))
- delete_thread (th->ptid);
+ delete_thread (th);
/* We also need to clear any left over stale state for the
leader/event thread. E.g., if there was any step-resume
struct displaced_step_inferior_state *next;
/* The process this displaced step state refers to. */
- int pid;
+ inferior *inf;
/* True if preparing a displaced step ever failed. If so, we won't
try displaced stepping for this inferior again. */
int failed_before;
- /* If this is not null_ptid, this is the thread carrying out a
+ /* If this is not nullptr, this is the thread carrying out a
displaced single-step in process PID. This thread's state will
require fixing up once it has completed its step. */
- ptid_t step_ptid;
+ thread_info *step_thread;
/* The architecture the thread had when we stepped it. */
struct gdbarch *step_gdbarch;
/* Get the displaced stepping state of process PID. */
static struct displaced_step_inferior_state *
-get_displaced_stepping_state (int pid)
+get_displaced_stepping_state (inferior *inf)
{
struct displaced_step_inferior_state *state;
for (state = displaced_step_inferior_states;
state != NULL;
state = state->next)
- if (state->pid == pid)
+ if (state->inf == inf)
return state;
return NULL;
for (state = displaced_step_inferior_states;
state != NULL;
state = state->next)
- if (!ptid_equal (state->step_ptid, null_ptid))
+ if (state->step_thread != nullptr)
return 1;
return 0;
step. */
static int
-displaced_step_in_progress_thread (ptid_t ptid)
+displaced_step_in_progress_thread (thread_info *thread)
{
struct displaced_step_inferior_state *displaced;
- gdb_assert (!ptid_equal (ptid, null_ptid));
+ gdb_assert (thread != NULL);
- displaced = get_displaced_stepping_state (ptid_get_pid (ptid));
+ displaced = get_displaced_stepping_state (thread->inf);
- return (displaced != NULL && ptid_equal (displaced->step_ptid, ptid));
+ return (displaced != NULL && displaced->step_thread == thread);
}
/* Return true if process PID has a thread doing a displaced step. */
static int
-displaced_step_in_progress (int pid)
+displaced_step_in_progress (inferior *inf)
{
struct displaced_step_inferior_state *displaced;
- displaced = get_displaced_stepping_state (pid);
- if (displaced != NULL && !ptid_equal (displaced->step_ptid, null_ptid))
+ displaced = get_displaced_stepping_state (inf);
+ if (displaced != NULL && displaced->step_thread != nullptr)
return 1;
return 0;
entry, if it already exists. Never returns NULL. */
static struct displaced_step_inferior_state *
-add_displaced_stepping_state (int pid)
+add_displaced_stepping_state (inferior *inf)
{
struct displaced_step_inferior_state *state;
for (state = displaced_step_inferior_states;
state != NULL;
state = state->next)
- if (state->pid == pid)
+ if (state->inf == inf)
return state;
state = XCNEW (struct displaced_step_inferior_state);
- state->pid = pid;
+ state->inf = inf;
state->next = displaced_step_inferior_states;
displaced_step_inferior_states = state;
get_displaced_step_closure_by_addr (CORE_ADDR addr)
{
struct displaced_step_inferior_state *displaced
- = get_displaced_stepping_state (ptid_get_pid (inferior_ptid));
+ = get_displaced_stepping_state (current_inferior ());
/* If checking the mode of displaced instruction in copy area. */
- if (displaced && !ptid_equal (displaced->step_ptid, null_ptid)
- && (displaced->step_copy == addr))
+ if (displaced != NULL
+ && displaced->step_thread != nullptr
+ && displaced->step_copy == addr)
return displaced->step_closure;
return NULL;
/* Remove the displaced stepping state of process PID. */
static void
-remove_displaced_stepping_state (int pid)
+remove_displaced_stepping_state (inferior *inf)
{
struct displaced_step_inferior_state *it, **prev_next_p;
- gdb_assert (pid != 0);
+ gdb_assert (inf != nullptr);
it = displaced_step_inferior_states;
prev_next_p = &displaced_step_inferior_states;
while (it)
{
- if (it->pid == pid)
+ if (it->inf == inf)
{
*prev_next_p = it->next;
xfree (it);
static void
infrun_inferior_exit (struct inferior *inf)
{
- remove_displaced_stepping_state (inf->pid);
+ remove_displaced_stepping_state (inf);
}
/* If ON, and the architecture supports it, GDB will use displaced
static int
use_displaced_stepping (struct thread_info *tp)
{
- struct regcache *regcache = get_thread_regcache (tp->ptid);
+ struct regcache *regcache = get_thread_regcache (tp);
struct gdbarch *gdbarch = regcache->arch ();
struct displaced_step_inferior_state *displaced_state;
- displaced_state = get_displaced_stepping_state (ptid_get_pid (tp->ptid));
+ displaced_state = get_displaced_stepping_state (tp->inf);
return (((can_use_displaced_stepping == AUTO_BOOLEAN_AUTO
&& target_is_non_stop_p ())
displaced_step_clear (struct displaced_step_inferior_state *displaced)
{
/* Indicate that there is no cleanup pending. */
- displaced->step_ptid = null_ptid;
+ displaced->step_thread = nullptr;
delete displaced->step_closure;
displaced->step_closure = NULL;
if this instruction can't be displaced stepped. */
static int
-displaced_step_prepare_throw (ptid_t ptid)
+displaced_step_prepare_throw (thread_info *tp)
{
struct cleanup *ignore_cleanups;
- struct thread_info *tp = find_thread_ptid (ptid);
- struct regcache *regcache = get_thread_regcache (ptid);
+ regcache *regcache = get_thread_regcache (tp);
struct gdbarch *gdbarch = regcache->arch ();
const address_space *aspace = regcache->aspace ();
CORE_ADDR original, copy;
/* We have to displaced step one thread at a time, as we only have
access to a single scratch space per inferior. */
- displaced = add_displaced_stepping_state (ptid_get_pid (ptid));
+ displaced = add_displaced_stepping_state (tp->inf);
- if (!ptid_equal (displaced->step_ptid, null_ptid))
+ if (displaced->step_thread != nullptr)
{
/* Already waiting for a displaced step to finish. Defer this
request and place in queue. */
if (debug_displaced)
fprintf_unfiltered (gdb_stdlog,
"displaced: deferring step of %s\n",
- target_pid_to_str (ptid));
+ target_pid_to_str (tp->ptid));
thread_step_over_chain_enqueue (tp);
return 0;
if (debug_displaced)
fprintf_unfiltered (gdb_stdlog,
"displaced: stepping %s now\n",
- target_pid_to_str (ptid));
+ target_pid_to_str (tp->ptid));
}
displaced_step_clear (displaced);
- scoped_restore save_inferior_ptid = make_scoped_restore (&inferior_ptid);
- inferior_ptid = ptid;
+ scoped_restore_current_thread restore_thread;
+
+ switch_to_thread (tp);
original = regcache_read_pc (regcache);
/* Save the information we need to fix things up if the step
succeeds. */
- displaced->step_ptid = ptid;
+ displaced->step_thread = tp;
displaced->step_gdbarch = gdbarch;
displaced->step_closure = closure;
displaced->step_original = original;
attempts at displaced stepping if we get a memory error. */
static int
-displaced_step_prepare (ptid_t ptid)
+displaced_step_prepare (thread_info *thread)
{
int prepared = -1;
TRY
{
- prepared = displaced_step_prepare_throw (ptid);
+ prepared = displaced_step_prepare_throw (thread);
}
CATCH (ex, RETURN_MASK_ERROR)
{
/* Disable further displaced stepping attempts. */
displaced_state
- = get_displaced_stepping_state (ptid_get_pid (ptid));
+ = get_displaced_stepping_state (thread->inf);
displaced_state->failed_before = 1;
}
END_CATCH
-1. If the thread wasn't displaced stepping, return 0. */
static int
-displaced_step_fixup (ptid_t event_ptid, enum gdb_signal signal)
+displaced_step_fixup (thread_info *event_thread, enum gdb_signal signal)
{
struct cleanup *old_cleanups;
struct displaced_step_inferior_state *displaced
- = get_displaced_stepping_state (ptid_get_pid (event_ptid));
+ = get_displaced_stepping_state (event_thread->inf);
int ret;
/* Was any thread of this process doing a displaced step? */
if (displaced == NULL)
return 0;
- /* Was this event for the pid we displaced? */
- if (ptid_equal (displaced->step_ptid, null_ptid)
- || ! ptid_equal (displaced->step_ptid, event_ptid))
+ /* Was this event for the thread we displaced? */
+ if (displaced->step_thread != event_thread)
return 0;
old_cleanups = make_cleanup (displaced_step_clear_cleanup, displaced);
- displaced_step_restore (displaced, displaced->step_ptid);
+ displaced_step_restore (displaced, displaced->step_thread->ptid);
/* Fixup may need to read memory/registers. Switch to the thread
that we're fixing up. Also, target_stopped_by_watchpoint checks
the current thread. */
- switch_to_thread (event_ptid);
+ switch_to_thread (event_thread);
/* Did the instruction complete successfully? */
if (signal == GDB_SIGNAL_TRAP
displaced->step_closure,
displaced->step_original,
displaced->step_copy,
- get_thread_regcache (displaced->step_ptid));
+ get_thread_regcache (displaced->step_thread));
ret = 1;
}
else
{
/* Since the instruction didn't complete, all we can do is
relocate the PC. */
- struct regcache *regcache = get_thread_regcache (event_ptid);
+ struct regcache *regcache = get_thread_regcache (event_thread);
CORE_ADDR pc = regcache_read_pc (regcache);
pc = displaced->step_original + (pc - displaced->step_copy);
do_cleanups (old_cleanups);
- displaced->step_ptid = null_ptid;
+ displaced->step_thread = nullptr;
return ret;
}
/* If this inferior already has a displaced step in process,
don't start a new one. */
- if (displaced_step_in_progress (ptid_get_pid (tp->ptid)))
+ if (displaced_step_in_progress (tp->inf))
continue;
step_what = thread_still_needs_step_over (tp);
if (!target_is_non_stop_p () && !step_what)
continue;
- switch_to_thread (tp->ptid);
+ switch_to_thread (tp);
reset_ecs (ecs, tp);
keep_going_pass_signal (ecs);
if (ptid_equal (inferior_ptid, old_ptid))
inferior_ptid = new_ptid;
-
- for (displaced = displaced_step_inferior_states;
- displaced;
- displaced = displaced->next)
- {
- if (ptid_equal (displaced->step_ptid, old_ptid))
- displaced->step_ptid = new_ptid;
- }
}
\f
return to the scratch pad area, which would no longer be
valid. */
if (step_over_info_valid_p ()
- || displaced_step_in_progress (ptid_get_pid (tp->ptid)))
+ || displaced_step_in_progress (tp->inf))
target_pass_signals (0, NULL);
else
target_pass_signals ((int) GDB_SIGNAL_LAST, signal_pass);
&& sig == GDB_SIGNAL_0
&& !current_inferior ()->waiting_for_vfork_done)
{
- int prepared = displaced_step_prepare (inferior_ptid);
+ int prepared = displaced_step_prepare (tp);
if (prepared == 0)
{
/* Update pc to reflect the new address from which we will
execute instructions due to displaced stepping. */
- pc = regcache_read_pc (get_thread_regcache (inferior_ptid));
+ pc = regcache_read_pc (get_thread_regcache (tp));
- displaced = get_displaced_stepping_state (ptid_get_pid (inferior_ptid));
+ displaced = get_displaced_stepping_state (tp->inf);
step = gdbarch_displaced_step_hw_singlestep (gdbarch,
displaced->step_closure);
}
&& use_displaced_stepping (tp)
&& !step_over_info_valid_p ())
{
- struct regcache *resume_regcache = get_thread_regcache (tp->ptid);
+ struct regcache *resume_regcache = get_thread_regcache (tp);
struct gdbarch *resume_gdbarch = resume_regcache->arch ();
CORE_ADDR actual_pc = regcache_read_pc (resume_regcache);
gdb_byte buf[4];
{
if (tp->stepping_over_breakpoint)
{
- struct regcache *regcache = get_thread_regcache (tp->ptid);
+ struct regcache *regcache = get_thread_regcache (tp);
if (breakpoint_here_p (regcache->aspace (),
regcache_read_pc (regcache))
target_pid_to_str (tp->ptid));
reset_ecs (ecs, tp);
- switch_to_thread (tp->ptid);
+ switch_to_thread (tp);
keep_going_pass_signal (ecs);
if (!ecs->wait_some_more)
error (_("Command aborted."));
{
/* The thread wasn't started, and isn't queued, run it now. */
reset_ecs (ecs, tp);
- switch_to_thread (tp->ptid);
+ switch_to_thread (tp);
keep_going_pass_signal (ecs);
if (!ecs->wait_some_more)
error (_("Command aborted."));
&& (tp->suspend.stop_reason == TARGET_STOPPED_BY_SW_BREAKPOINT
|| tp->suspend.stop_reason == TARGET_STOPPED_BY_HW_BREAKPOINT))
{
- struct regcache *regcache = get_thread_regcache (tp->ptid);
+ struct regcache *regcache = get_thread_regcache (tp);
struct gdbarch *gdbarch = regcache->arch ();
CORE_ADDR pc;
int discard = 0;
struct gdbarch *gdbarch;
int decr_pc;
- regcache = get_thread_regcache (tp->ptid);
+ regcache = get_thread_regcache (tp);
gdbarch = regcache->arch ();
decr_pc = gdbarch_decr_pc_after_break (gdbarch);
{
struct inferior *inf = current_inferior ();
ptid_t pid_ptid = pid_to_ptid (inf->pid);
- struct displaced_step_inferior_state *displaced;
- displaced = get_displaced_stepping_state (inf->pid);
+ displaced_step_inferior_state *displaced = get_displaced_stepping_state (inf);
/* Is any thread of this process displaced stepping? If not,
there's nothing else to do. */
- if (displaced == NULL || ptid_equal (displaced->step_ptid, null_ptid))
+ if (displaced == NULL || displaced->step_thread == nullptr)
return;
if (debug_infrun)
scoped_restore restore_detaching = make_scoped_restore (&inf->detaching, true);
- while (!ptid_equal (displaced->step_ptid, null_ptid))
+ while (displaced->step_thread != nullptr)
{
struct execution_control_state ecss;
struct execution_control_state *ecs;
if (thr == ecs->event_thread)
continue;
- switch_to_thread (thr->ptid);
+ switch_to_thread (thr);
thread_fsm_clean_up (thr->thread_fsm, thr);
}
if (ecs->event_thread != NULL)
- switch_to_thread (ecs->event_thread->ptid);
+ switch_to_thread (ecs->event_thread);
}
}
if (cmd_done
&& exec_done_display_p
- && (ptid_equal (inferior_ptid, null_ptid)
- || !is_running (inferior_ptid)))
+ && (inferior_ptid == null_ptid
+ || inferior_thread ()->state != THREAD_RUNNING))
printf_unfiltered (_("completed.\n"));
}
/* Switch thread contexts. */
static void
-context_switch (ptid_t ptid)
+context_switch (execution_control_state *ecs)
{
- if (debug_infrun && !ptid_equal (ptid, inferior_ptid))
+ if (debug_infrun
+ && ecs->ptid != inferior_ptid
+ && ecs->event_thread != inferior_thread ())
{
fprintf_unfiltered (gdb_stdlog, "infrun: Switching context from %s ",
target_pid_to_str (inferior_ptid));
fprintf_unfiltered (gdb_stdlog, "to %s\n",
- target_pid_to_str (ptid));
+ target_pid_to_str (ecs->ptid));
}
- switch_to_thread (ptid);
+ switch_to_thread (ecs->event_thread);
}
/* If the target can't tell whether we've hit breakpoints
/* If this target does not decrement the PC after breakpoints, then
we have nothing to do. */
- regcache = get_thread_regcache (thread->ptid);
+ regcache = get_thread_regcache (thread);
gdbarch = regcache->arch ();
decr_pc = gdbarch_decr_pc_after_break (gdbarch);
struct regcache *regcache;
int syscall_number;
- if (!ptid_equal (ecs->ptid, inferior_ptid))
- context_switch (ecs->ptid);
+ context_switch (ecs);
- regcache = get_thread_regcache (ecs->ptid);
+ regcache = get_thread_regcache (ecs->event_thread);
syscall_number = ecs->ws.value.syscall_number;
stop_pc = regcache_read_pc (regcache);
ecs->event_thread->control.stop_bpstat
= bpstat_stop_status (regcache->aspace (),
- stop_pc, ecs->ptid, &ecs->ws);
+ stop_pc, ecs->event_thread, &ecs->ws);
if (handle_stop_requested (ecs))
return 0;
}
-/* Return the STOP_SOON field of the inferior pointed at by PTID. */
+/* Return the STOP_SOON field of the inferior pointed at by ECS. */
static enum stop_kind
-get_inferior_stop_soon (ptid_t ptid)
+get_inferior_stop_soon (execution_control_state *ecs)
{
- struct inferior *inf = find_inferior_ptid (ptid);
+ struct inferior *inf = find_inferior_ptid (ecs->ptid);
gdb_assert (inf != NULL);
return inf->control.stop_soon;
/* Generate thread_stopped_by_hw_breakpoint. */
THREAD_STOPPED_BY (hw_breakpoint)
-/* Cleanups that switches to the PTID pointed at by PTID_P. */
-
-static void
-switch_to_thread_cleanup (void *ptid_p)
-{
- ptid_t ptid = *(ptid_t *) ptid_p;
-
- switch_to_thread (ptid);
-}
-
/* Save the thread's event and stop reason to process it later. */
static void
save_waitstatus (struct thread_info *tp, struct target_waitstatus *ws)
{
- struct regcache *regcache;
-
if (debug_infrun)
{
std::string statstr = target_waitstatus_to_string (ws);
tp->suspend.waitstatus = *ws;
tp->suspend.waitstatus_pending_p = 1;
- regcache = get_thread_regcache (tp->ptid);
+ struct regcache *regcache = get_thread_regcache (tp);
const address_space *aspace = regcache->aspace ();
if (ws->kind == TARGET_WAITKIND_STOPPED
/* We may need multiple passes to discover all threads. */
int pass;
int iterations = 0;
- ptid_t entry_ptid;
struct cleanup *old_chain;
gdb_assert (target_is_non_stop_p ());
if (debug_infrun)
fprintf_unfiltered (gdb_stdlog, "infrun: stop_all_threads\n");
- entry_ptid = inferior_ptid;
- old_chain = make_cleanup (switch_to_thread_cleanup, &entry_ptid);
+ scoped_restore_current_thread restore_thread;
target_thread_events (1);
- make_cleanup (disable_thread_events, NULL);
+ old_chain = make_cleanup (disable_thread_events, NULL);
/* Request threads to stop, and then wait for the stops. Because
threads we already know about can spawn more threads while we're
pass = -1;
event_ptid = wait_one (&ws);
+
if (ws.kind == TARGET_WAITKIND_NO_RESUMED)
{
/* All resumed threads exited. */
}
else
{
- struct inferior *inf;
+ inferior *inf;
t = find_thread_ptid (event_ptid);
if (t == NULL)
t->suspend.waitstatus.kind = TARGET_WAITKIND_IGNORE;
t->suspend.waitstatus_pending_p = 0;
- if (displaced_step_fixup (t->ptid, GDB_SIGNAL_0) < 0)
+ if (displaced_step_fixup (t, GDB_SIGNAL_0) < 0)
{
/* Add it back to the step-over queue. */
if (debug_infrun)
sig = (ws.kind == TARGET_WAITKIND_STOPPED
? ws.value.sig : GDB_SIGNAL_0);
- if (displaced_step_fixup (t->ptid, sig) < 0)
+ if (displaced_step_fixup (t, sig) < 0)
{
/* Add it back to the step-over queue. */
t->control.trap_expected = 0;
thread_step_over_chain_enqueue (t);
}
- regcache = get_thread_regcache (t->ptid);
+ regcache = get_thread_regcache (t);
t->suspend.stop_pc = regcache_read_pc (regcache);
if (debug_infrun)
if (inf->pid == 0)
continue;
- thread = any_live_thread_of_process (inf->pid);
+ thread_info *thread = any_live_thread_of_inferior (inf);
if (thread == NULL)
{
if (debug_infrun)
|| ecs->ws.value.sig == GDB_SIGNAL_SEGV
|| ecs->ws.value.sig == GDB_SIGNAL_EMT))
{
- struct regcache *regcache = get_thread_regcache (ecs->ptid);
+ struct regcache *regcache = get_thread_regcache (ecs->event_thread);
if (breakpoint_inserted_here_p (regcache->aspace (),
regcache_read_pc (regcache)))
case TARGET_WAITKIND_LOADED:
if (debug_infrun)
fprintf_unfiltered (gdb_stdlog, "infrun: TARGET_WAITKIND_LOADED\n");
- if (!ptid_equal (ecs->ptid, inferior_ptid))
- context_switch (ecs->ptid);
+ context_switch (ecs);
/* Ignore gracefully during startup of the inferior, as it might
be the shell which has just loaded some objects, otherwise
add the symbols for the newly loaded objects. Also ignore at
the full list of libraries once the connection is
established. */
- stop_soon = get_inferior_stop_soon (ecs->ptid);
+ stop_soon = get_inferior_stop_soon (ecs);
if (stop_soon == NO_STOP_QUIETLY)
{
struct regcache *regcache;
- regcache = get_thread_regcache (ecs->ptid);
+ regcache = get_thread_regcache (ecs->event_thread);
handle_solib_event ();
ecs->event_thread->control.stop_bpstat
= bpstat_stop_status (regcache->aspace (),
- stop_pc, ecs->ptid, &ecs->ws);
+ stop_pc, ecs->event_thread, &ecs->ws);
if (handle_stop_requested (ecs))
return;
fprintf_unfiltered (gdb_stdlog, "infrun: TARGET_WAITKIND_SPURIOUS\n");
if (handle_stop_requested (ecs))
return;
- if (!ptid_equal (ecs->ptid, inferior_ptid))
- context_switch (ecs->ptid);
+ context_switch (ecs);
resume (GDB_SIGNAL_0);
prepare_to_wait (ecs);
return;
fprintf_unfiltered (gdb_stdlog, "infrun: TARGET_WAITKIND_THREAD_CREATED\n");
if (handle_stop_requested (ecs))
return;
- if (!ptid_equal (ecs->ptid, inferior_ptid))
- context_switch (ecs->ptid);
+ context_switch (ecs);
if (!switch_back_to_stepped_thread (ecs))
keep_going (ecs);
return;
}
else
{
- struct regcache *regcache = get_thread_regcache (ecs->ptid);
- struct gdbarch *gdbarch = regcache->arch ();
+ struct gdbarch *gdbarch = current_inferior ()->gdbarch;
if (gdbarch_gdb_signal_to_target_p (gdbarch))
{
/* Check whether the inferior is displaced stepping. */
{
- struct regcache *regcache = get_thread_regcache (ecs->ptid);
+ struct regcache *regcache = get_thread_regcache (ecs->event_thread);
struct gdbarch *gdbarch = regcache->arch ();
/* If checking displaced stepping is supported, and thread
ecs->ptid is displaced stepping. */
- if (displaced_step_in_progress_thread (ecs->ptid))
+ if (displaced_step_in_progress_thread (ecs->event_thread))
{
struct inferior *parent_inf
= find_inferior_ptid (ecs->ptid);
has been done. Perform cleanup for parent process here. Note
that this operation also cleans up the child process for vfork,
because their pages are shared. */
- displaced_step_fixup (ecs->ptid, GDB_SIGNAL_TRAP);
+ displaced_step_fixup (ecs->event_thread, GDB_SIGNAL_TRAP);
/* Start a new step-over in another thread if there's one
that needs it. */
start_step_over ();
if (ecs->ws.kind == TARGET_WAITKIND_FORKED)
{
struct displaced_step_inferior_state *displaced
- = get_displaced_stepping_state (ptid_get_pid (ecs->ptid));
+ = get_displaced_stepping_state (parent_inf);
/* Restore scratch pad for child process. */
displaced_step_restore (displaced, ecs->ws.value.related_pid);
}
}
- if (!ptid_equal (ecs->ptid, inferior_ptid))
- context_switch (ecs->ptid);
+ context_switch (ecs);
/* Immediately detach breakpoints from the child before there's
any chance of letting the user delete breakpoints from the
and not immediately. */
ecs->event_thread->pending_follow = ecs->ws;
- stop_pc = regcache_read_pc (get_thread_regcache (ecs->ptid));
+ stop_pc = regcache_read_pc (get_thread_regcache (ecs->event_thread));
ecs->event_thread->control.stop_bpstat
= bpstat_stop_status (get_current_regcache ()->aspace (),
- stop_pc, ecs->ptid, &ecs->ws);
+ stop_pc, ecs->event_thread, &ecs->ws);
if (handle_stop_requested (ecs))
return;
watchpoints, for example, always appear in the bpstat. */
if (!bpstat_causes_stop (ecs->event_thread->control.stop_bpstat))
{
- ptid_t parent;
- ptid_t child;
int should_resume;
int follow_child
= (follow_fork_mode_string == follow_fork_mode_child);
should_resume = follow_fork ();
- parent = ecs->ptid;
- child = ecs->ws.value.related_pid;
+ thread_info *parent = ecs->event_thread;
+ thread_info *child = find_thread_ptid (ecs->ws.value.related_pid);
/* At this point, the parent is marked running, and the
child is marked stopped. */
/* If not resuming the parent, mark it stopped. */
if (follow_child && !detach_fork && !non_stop && !sched_multi)
- set_running (parent, 0);
+ parent->set_running (false);
/* If resuming the child, mark it running. */
if (follow_child || (!detach_fork && (non_stop || sched_multi)))
- set_running (child, 1);
+ child->set_running (true);
/* In non-stop mode, also resume the other branch. */
if (!detach_fork && (non_stop
fprintf_unfiltered (gdb_stdlog,
"infrun: TARGET_WAITKIND_VFORK_DONE\n");
- if (!ptid_equal (ecs->ptid, inferior_ptid))
- context_switch (ecs->ptid);
+ context_switch (ecs);
current_inferior ()->waiting_for_vfork_done = 0;
current_inferior ()->pspace->breakpoints_not_allowed = 0;
/* Note we can't read registers yet (the stop_pc), because we
don't yet know the inferior's post-exec architecture.
'stop_pc' is explicitly read below instead. */
- if (!ptid_equal (ecs->ptid, inferior_ptid))
- switch_to_thread_no_regs (ecs->event_thread);
+ switch_to_thread_no_regs (ecs->event_thread);
/* Do whatever is necessary to the parent branch of the vfork. */
handle_vfork_child_exec_or_exit (1);
stop. */
follow_exec (inferior_ptid, ecs->ws.value.execd_pathname);
- stop_pc = regcache_read_pc (get_thread_regcache (ecs->ptid));
+ stop_pc = regcache_read_pc (get_thread_regcache (ecs->event_thread));
/* In follow_exec we may have deleted the original thread and
created a new one. Make sure that the event thread is the
ecs->event_thread->control.stop_bpstat
= bpstat_stop_status (get_current_regcache ()->aspace (),
- stop_pc, ecs->ptid, &ecs->ws);
+ stop_pc, ecs->event_thread, &ecs->ws);
/* Note that this may be referenced from inside
bpstat_stop_status above, through inferior_has_execd. */
/* Reverse execution: target ran out of history info. */
/* Switch to the stopped thread. */
- if (!ptid_equal (ecs->ptid, inferior_ptid))
- context_switch (ecs->ptid);
+ context_switch (ecs);
if (debug_infrun)
fprintf_unfiltered (gdb_stdlog, "infrun: stopped\n");
delete_just_stopped_threads_single_step_breakpoints ();
- stop_pc = regcache_read_pc (get_thread_regcache (inferior_ptid));
+ stop_pc = regcache_read_pc (get_thread_regcache (inferior_thread ()));
if (handle_stop_requested (ecs))
return;
"infrun: restart threads: [%s] continuing\n",
target_pid_to_str (tp->ptid));
reset_ecs (ecs, tp);
- switch_to_thread (tp->ptid);
+ switch_to_thread (tp);
keep_going_pass_signal (ecs);
}
}
{
int had_step_over_info;
- displaced_step_fixup (ecs->ptid,
+ displaced_step_fixup (ecs->event_thread,
ecs->event_thread->suspend.stop_signal);
had_step_over_info = step_over_info_valid_p ();
another thread has a pending event for this breakpoint too,
we'd discard its event (because the breakpoint that
originally caused the event was no longer inserted). */
- context_switch (ecs->ptid);
+ context_switch (ecs);
insert_breakpoints ();
restart_threads (ecs->event_thread);
gdb_assert (!tp->executing);
- regcache = get_thread_regcache (tp->ptid);
+ regcache = get_thread_regcache (tp);
tp->suspend.stop_pc = regcache_read_pc (regcache);
if (debug_infrun)
&& ecs->event_thread->suspend.stop_signal == GDB_SIGNAL_TRAP)
ecs->event_thread->suspend.stop_signal = GDB_SIGNAL_0;
- stop_pc = regcache_read_pc (get_thread_regcache (ecs->ptid));
+ stop_pc = regcache_read_pc (get_thread_regcache (ecs->event_thread));
if (debug_infrun)
{
- struct regcache *regcache = get_thread_regcache (ecs->ptid);
+ struct regcache *regcache = get_thread_regcache (ecs->event_thread);
struct gdbarch *gdbarch = regcache->arch ();
scoped_restore save_inferior_ptid = make_scoped_restore (&inferior_ptid);
/* This is originated from start_remote(), start_inferior() and
shared libraries hook functions. */
- stop_soon = get_inferior_stop_soon (ecs->ptid);
+ stop_soon = get_inferior_stop_soon (ecs);
if (stop_soon == STOP_QUIETLY || stop_soon == STOP_QUIETLY_REMOTE)
{
- if (!ptid_equal (ecs->ptid, inferior_ptid))
- context_switch (ecs->ptid);
+ context_switch (ecs);
if (debug_infrun)
fprintf_unfiltered (gdb_stdlog, "infrun: quietly stopped\n");
stop_print_frame = 1;
if (debug_infrun)
fprintf_unfiltered (gdb_stdlog, "infrun: context switch\n");
- context_switch (ecs->ptid);
+ context_switch (ecs);
if (deprecated_context_hook)
- deprecated_context_hook (ptid_to_global_thread_id (ecs->ptid));
+ deprecated_context_hook (ecs->event_thread->global_num);
}
/* At this point, get hold of the now-current thread's frame. */
struct regcache *regcache;
CORE_ADDR pc;
- regcache = get_thread_regcache (ecs->ptid);
+ regcache = get_thread_regcache (ecs->event_thread);
const address_space *aspace = regcache->aspace ();
pc = regcache_read_pc (regcache);
inline function call sites). */
if (ecs->event_thread->control.step_range_end != 1)
{
- const address_space *aspace =
- get_thread_regcache (ecs->ptid)->aspace ();
+ const address_space *aspace
+ = get_thread_regcache (ecs->event_thread)->aspace ();
/* skip_inline_frames is expensive, so we avoid it if we can
determine that the address is one where functions cannot have
&ecs->ws)))
{
stop_chain = build_bpstat_chain (aspace, stop_pc, &ecs->ws);
- skip_inline_frames (ecs->ptid, stop_chain);
+ skip_inline_frames (ecs->event_thread, stop_chain);
/* Re-fetch current thread's frame in case that invalidated
the frame cache. */
handles this event. */
ecs->event_thread->control.stop_bpstat
= bpstat_stop_status (get_current_regcache ()->aspace (),
- stop_pc, ecs->ptid, &ecs->ws, stop_chain);
+ stop_pc, ecs->event_thread, &ecs->ws, stop_chain);
/* Following in case break condition called a
function. */
/* Re-adjust PC to what the program would see if GDB was not
debugging it. */
- regcache = get_thread_regcache (ecs->event_thread->ptid);
+ regcache = get_thread_regcache (ecs->event_thread);
decr_pc = gdbarch_decr_pc_after_break (gdbarch);
if (decr_pc != 0)
{
if (frame_id_eq (get_frame_id (get_current_frame ()),
ecs->event_thread->control.step_frame_id)
- && inline_skipped_frames (ecs->ptid))
+ && inline_skipped_frames (ecs->event_thread))
{
if (debug_infrun)
fprintf_unfiltered (gdb_stdlog,
if (call_sal.line == ecs->event_thread->current_line
&& call_sal.symtab == ecs->event_thread->current_symtab)
- step_into_inline_frame (ecs->ptid);
+ step_into_inline_frame (ecs->event_thread);
end_stepping_range (ecs);
return;
stepping thread is still alive. For that reason, we need to
synchronously query the target now. */
- if (is_exited (tp->ptid)
- || !target_thread_alive (tp->ptid))
+ if (tp->state == THREAD_EXITED || !target_thread_alive (tp->ptid))
{
if (debug_infrun)
fprintf_unfiltered (gdb_stdlog,
"infrun: not resuming previously "
"stepped thread, it has vanished\n");
- delete_thread (tp->ptid);
+ delete_thread (tp);
return 0;
}
"infrun: resuming previously stepped thread\n");
reset_ecs (ecs, tp);
- switch_to_thread (tp->ptid);
+ switch_to_thread (tp);
- stop_pc = regcache_read_pc (get_thread_regcache (tp->ptid));
+ stop_pc = regcache_read_pc (get_thread_regcache (tp));
frame = get_current_frame ();
/* If the PC of the thread we were trying to single-step has
/* Save the pc before execution, to compare with pc after stop. */
ecs->event_thread->prev_pc
- = regcache_read_pc (get_thread_regcache (ecs->ptid));
+ = regcache_read_pc (get_thread_regcache (ecs->event_thread));
if (ecs->event_thread->control.trap_expected)
{
projects / deliverable / binutils-gdb.git / blobdiff