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authorPedro Alves <palves@redhat.com>2018-06-21 17:09:31 +0100
committerPedro Alves <palves@redhat.com>2018-06-21 17:09:31 +0100
commit00431a78b28f913a9d5c912c49680e39cfd20847 (patch)
treea16c50ee1250317f71ff7e8be9d3275bee7f0ecf /gdb/infcall.c
parent33bab475a6984afedac8a036b3bb40b5555b4127 (diff)
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Use thread_info and inferior pointers more throughout
This is more preparation bits for multi-target support. In a multi-target scenario, we need to address the case of different processes/threads running on different targets that happen to have the same PID/PTID. E.g., we can have both process 123 in target 1, and process 123 in target 2, while they're in reality different processes running on different machines. Or maybe we've loaded multiple instances of the same core file. Etc. To address this, in my WIP multi-target branch, threads and processes are uniquely identified by the (process_stratum target_ops *, ptid_t) and (process_stratum target_ops *, pid) tuples respectively. I.e., each process_stratum instance has its own thread/process number space. As you can imagine, that requires passing around target_ops * pointers in a number of functions where we're currently passing only a ptid_t or an int. E.g., when we look up a thread_info object by ptid_t in find_thread_ptid, the ptid_t alone isn't sufficient. In many cases though, we already have the thread_info or inferior pointer handy, but we "lose" it somewhere along the call stack, only to look it up again by ptid_t/pid. Since thread_info or inferior objects know their parent target, if we pass around thread_info or inferior pointers when possible, we avoid having to add extra target_ops parameters to many functions, and also, we eliminate a number of by ptid_t/int lookups. So that's what this patch does. In a bit more detail: - Changes a number of functions and methods to take a thread_info or inferior pointer instead of a ptid_t or int parameter. - Changes a number of structure fields from ptid_t/int to inferior or thread_info pointers. - Uses the inferior_thread() function whenever possible instead of inferior_ptid. - Uses thread_info pointers directly when possible instead of the is_running/is_stopped etc. routines that require a lookup. - A number of functions are eliminated along the way, such as: int valid_gdb_inferior_id (int num); int pid_to_gdb_inferior_id (int pid); int gdb_inferior_id_to_pid (int num); int in_inferior_list (int pid); - A few structures and places hold a thread_info pointer across inferior execution, so now they take a strong reference to the (refcounted) thread_info object to avoid the thread_info pointer getting stale. This is done in enable_thread_stack_temporaries and in the infcall.c code. - Related, there's a spot in infcall.c where using a RAII object to handle the refcount would be handy, so a gdb::ref_ptr specialization for thread_info is added (thread_info_ref, in gdbthread.h), along with a gdb_ref_ptr policy that works for all refcounted_object types (in common/refcounted-object.h). gdb/ChangeLog: 2018-06-21 Pedro Alves <palves@redhat.com> * ada-lang.h (ada_get_task_number): Take a thread_info pointer instead of a ptid_t. All callers adjusted. * ada-tasks.c (ada_get_task_number): Likewise. All callers adjusted. (print_ada_task_info, display_current_task_id, task_command_1): Adjust. * breakpoint.c (watchpoint_in_thread_scope): Adjust to use inferior_thread. (breakpoint_kind): Adjust. (remove_breakpoints_pid): Rename to ... (remove_breakpoints_inf): ... this. Adjust to take an inferior pointer. All callers adjusted. (bpstat_clear_actions): Use inferior_thread. (get_bpstat_thread): New. (bpstat_do_actions): Use it. (bpstat_check_breakpoint_conditions, bpstat_stop_status): Adjust to take a thread_info pointer. All callers adjusted. (set_longjmp_breakpoint_for_call_dummy, set_momentary_breakpoint) (breakpoint_re_set_thread): Use inferior_thread. * breakpoint.h (struct inferior): Forward declare. (bpstat_stop_status): Update. (remove_breakpoints_pid): Delete. (remove_breakpoints_inf): New. * bsd-uthread.c (bsd_uthread_target::wait) (bsd_uthread_target::update_thread_list): Use find_thread_ptid. * btrace.c (btrace_add_pc, btrace_enable, btrace_fetch) (maint_btrace_packet_history_cmd) (maint_btrace_clear_packet_history_cmd): Adjust. (maint_btrace_clear_cmd, maint_info_btrace_cmd): Adjust to use inferior_thread. * cli/cli-interp.c: Include "inferior.h". * common/refcounted-object.h (struct refcounted_object_ref_policy): New. * compile/compile-object-load.c: Include gdbthread.h. (store_regs): Use inferior_thread. * corelow.c (core_target::close): Use current_inferior. (core_target_open): Adjust to use first_thread_of_inferior and use the current inferior. * ctf.c (ctf_target::close): Adjust to use current_inferior. * dummy-frame.c (dummy_frame_id) <ptid>: Delete, replaced by ... <thread>: ... this new field. All references adjusted. (dummy_frame_pop, dummy_frame_discard, register_dummy_frame_dtor): Take a thread_info pointer instead of a ptid_t. * dummy-frame.h (dummy_frame_push, dummy_frame_pop) (dummy_frame_discard, register_dummy_frame_dtor): Take a thread_info pointer instead of a ptid_t. * elfread.c: Include "inferior.h". (elf_gnu_ifunc_resolver_stop, elf_gnu_ifunc_resolver_return_stop): Use inferior_thread. * eval.c (evaluate_subexp): Likewise. * frame.c (frame_pop, has_stack_frames, find_frame_sal): Use inferior_thread. * gdb_proc_service.h (struct thread_info): Forward declare. (struct ps_prochandle) <ptid>: Delete, replaced by ... <thread>: ... this new field. All references adjusted. * gdbarch.h, gdbarch.c: Regenerate. * gdbarch.sh (get_syscall_number): Replace 'ptid' parameter with a 'thread' parameter. All implementations and callers adjusted. * gdbthread.h (thread_info) <set_running>: New method. (delete_thread, delete_thread_silent): Take a thread_info pointer instead of a ptid. (global_thread_id_to_ptid, ptid_to_global_thread_id): Delete. (first_thread_of_process): Delete, replaced by ... (first_thread_of_inferior): ... this new function. All callers adjusted. (any_live_thread_of_process): Delete, replaced by ... (any_live_thread_of_inferior): ... this new function. All callers adjusted. (switch_to_thread, switch_to_no_thread): Declare. (is_executing): Delete. (enable_thread_stack_temporaries): Update comment. <enable_thread_stack_temporaries>: Take a thread_info pointer instead of a ptid_t. Incref the thread. <~enable_thread_stack_temporaries>: Decref the thread. <m_ptid>: Delete <m_thr>: New. (thread_stack_temporaries_enabled_p, push_thread_stack_temporary) (get_last_thread_stack_temporary) (value_in_thread_stack_temporaries, can_access_registers_thread): Take a thread_info pointer instead of a ptid_t. All callers adjusted. * infcall.c (get_call_return_value): Use inferior_thread. (run_inferior_call): Work with thread pointers instead of ptid_t. (call_function_by_hand_dummy): Work with thread pointers instead of ptid_t. Use thread_info_ref. * infcmd.c (proceed_thread_callback): Access thread's state directly. (ensure_valid_thread, ensure_not_running): Use inferior_thread, access thread's state directly. (continue_command): Use inferior_thread. (info_program_command): Use find_thread_ptid and access thread state directly. (proceed_after_attach_callback): Use thread state directly. (notice_new_inferior): Take a thread_info pointer instead of a ptid_t. All callers adjusted. (exit_inferior): Take an inferior pointer instead of a pid. All callers adjusted. (exit_inferior_silent): New. (detach_inferior): Delete. (valid_gdb_inferior_id, pid_to_gdb_inferior_id) (gdb_inferior_id_to_pid, in_inferior_list): Delete. (detach_inferior_command, kill_inferior_command): Use find_inferior_id instead of valid_gdb_inferior_id and gdb_inferior_id_to_pid. (inferior_command): Use inferior and thread pointers. * inferior.h (struct thread_info): Forward declare. (notice_new_inferior): Take a thread_info pointer instead of a ptid_t. All callers adjusted. (detach_inferior): Delete declaration. (exit_inferior, exit_inferior_silent): Take an inferior pointer instead of a pid. All callers adjusted. (gdb_inferior_id_to_pid, pid_to_gdb_inferior_id, in_inferior_list) (valid_gdb_inferior_id): Delete. * infrun.c (follow_fork_inferior, proceed_after_vfork_done) (handle_vfork_child_exec_or_exit, follow_exec): Adjust. (struct displaced_step_inferior_state) <pid>: Delete, replaced by ... <inf>: ... this new field. <step_ptid>: Delete, replaced by ... <step_thread>: ... this new field. (get_displaced_stepping_state): Take an inferior pointer instead of a pid. All callers adjusted. (displaced_step_in_progress_any_inferior): Adjust. (displaced_step_in_progress_thread): Take a thread pointer instead of a ptid_t. All callers adjusted. (displaced_step_in_progress, add_displaced_stepping_state): Take an inferior pointer instead of a pid. All callers adjusted. (get_displaced_step_closure_by_addr): Adjust. (remove_displaced_stepping_state): Take an inferior pointer instead of a pid. All callers adjusted. (displaced_step_prepare_throw, displaced_step_prepare) (displaced_step_fixup): Take a thread pointer instead of a ptid_t. All callers adjusted. (start_step_over): Adjust. (infrun_thread_ptid_changed): Remove bit updating ptids in the displaced step queue. (do_target_resume): Adjust. (fetch_inferior_event): Use inferior_thread. (context_switch, get_inferior_stop_soon): Take an execution_control_state pointer instead of a ptid_t. All callers adjusted. (switch_to_thread_cleanup): Delete. (stop_all_threads): Use scoped_restore_current_thread. * inline-frame.c: Include "gdbthread.h". (inline_state) <inline_state>: Take a thread pointer instead of a ptid_t. All callers adjusted. <ptid>: Delete, replaced by ... <thread>: ... this new field. (find_inline_frame_state): Take a thread pointer instead of a ptid_t. All callers adjusted. (skip_inline_frames, step_into_inline_frame) (inline_skipped_frames, inline_skipped_symbol): Take a thread pointer instead of a ptid_t. All callers adjusted. * inline-frame.h (skip_inline_frames, step_into_inline_frame) (inline_skipped_frames, inline_skipped_symbol): Likewise. * linux-fork.c (delete_checkpoint_command): Adjust to use thread pointers directly. * linux-nat.c (get_detach_signal): Likewise. * linux-thread-db.c (thread_from_lwp): New 'stopped' parameter. (thread_db_notice_clone): Adjust. (thread_db_find_new_threads_silently) (thread_db_find_new_threads_2, thread_db_find_new_threads_1): Take a thread pointer instead of a ptid_t. All callers adjusted. * mi/mi-cmd-var.c: Include "inferior.h". (mi_cmd_var_update_iter): Update to use thread pointers. * mi/mi-interp.c (mi_new_thread): Update to use the thread's inferior directly. (mi_output_running_pid, mi_inferior_count): Delete, bits factored out to ... (mi_output_running): ... this new function. (mi_on_resume_1): Adjust to use it. (mi_user_selected_context_changed): Adjust to use inferior_thread. * mi/mi-main.c (proceed_thread): Adjust to use thread pointers directly. (interrupt_thread_callback): : Adjust to use thread and inferior pointers. * proc-service.c: Include "gdbthread.h". (ps_pglobal_lookup): Adjust to use the thread's inferior directly. * progspace-and-thread.c: Include "inferior.h". * progspace.c: Include "inferior.h". * python/py-exitedevent.c (create_exited_event_object): Adjust to hold a reference to an inferior_object. * python/py-finishbreakpoint.c (bpfinishpy_init): Adjust to use inferior_thread. * python/py-inferior.c (struct inferior_object): Give the type a tag name instead of a typedef. (python_on_normal_stop): No need to check if the current thread is listed. (inferior_to_inferior_object): Change return type to inferior_object. All callers adjusted. (find_thread_object): Delete, bits factored out to ... (thread_to_thread_object): ... this new function. * python/py-infthread.c (create_thread_object): Use inferior_to_inferior_object. (thpy_is_stopped): Use thread pointer directly. (gdbpy_selected_thread): Use inferior_thread. * python/py-record-btrace.c (btpy_list_object) <ptid>: Delete field, replaced with ... <thread>: ... this new field. All users adjusted. (btpy_insn_or_gap_new): Drop const. (btpy_list_new): Take a thread pointer instead of a ptid_t. All callers adjusted. * python/py-record.c: Include "gdbthread.h". (recpy_insn_new, recpy_func_new): Take a thread pointer instead of a ptid_t. All callers adjusted. (gdbpy_current_recording): Use inferior_thread. * python/py-record.h (recpy_record_object) <ptid>: Delete field, replaced with ... <thread>: ... this new field. All users adjusted. (recpy_element_object) <ptid>: Delete field, replaced with ... <thread>: ... this new field. All users adjusted. (recpy_insn_new, recpy_func_new): Take a thread pointer instead of a ptid_t. All callers adjusted. * python/py-threadevent.c: Include "gdbthread.h". (get_event_thread): Use thread_to_thread_object. * python/python-internal.h (struct inferior_object): Forward declare. (find_thread_object, find_inferior_object): Delete declarations. (thread_to_thread_object, inferior_to_inferior_object): New declarations. * record-btrace.c: Include "inferior.h". (require_btrace_thread): Use inferior_thread. (record_btrace_frame_sniffer) (record_btrace_tailcall_frame_sniffer): Use inferior_thread. (get_thread_current_frame): Use scoped_restore_current_thread and switch_to_thread. (get_thread_current_frame): Use thread pointer directly. (record_btrace_replay_at_breakpoint): Use thread's inferior pointer directly. * record-full.c: Include "inferior.h". * regcache.c: Include "gdbthread.h". (get_thread_arch_regcache): Use the inferior's address space directly. (get_thread_regcache, registers_changed_thread): New. * regcache.h (get_thread_regcache(thread_info *thread)): New overload. (registers_changed_thread): New. (remote_target) <remote_detach_1>: Swap order of parameters. (remote_add_thread): <remote_add_thread>: Return the new thread. (get_remote_thread_info(ptid_t)): New overload. (remote_target::remote_notice_new_inferior): Use thread pointers directly. (remote_target::process_initial_stop_replies): Use thread_info::set_running. (remote_target::remote_detach_1, remote_target::detach) (extended_remote_target::detach): Adjust. * stack.c (frame_show_address): Use inferior_thread. * target-debug.h (target_debug_print_thread_info_pp): New. * target-delegates.c: Regenerate. * target.c (default_thread_address_space): Delete. (memory_xfer_partial_1): Use current_inferior. (target_detach): Use current_inferior. (target_thread_address_space): Delete. (generic_mourn_inferior): Use current_inferior. * target.h (struct target_ops) <thread_address_space>: Delete. (target_thread_address_space): Delete. * thread.c (init_thread_list): Use ALL_THREADS_SAFE. Use thread pointers directly. (delete_thread_1, delete_thread, delete_thread_silent): Take a thread pointer instead of a ptid_t. Adjust all callers. (ptid_to_global_thread_id, global_thread_id_to_ptid): Delete. (first_thread_of_process): Delete, replaced by ... (first_thread_of_inferior): ... this new function. All callers adjusted. (any_thread_of_process): Rename to ... (any_thread_of_inferior): ... this, and take an inferior pointer. (any_live_thread_of_process): Rename to ... (any_live_thread_of_inferior): ... this, and take an inferior pointer. (thread_stack_temporaries_enabled_p, push_thread_stack_temporary) (value_in_thread_stack_temporaries) (get_last_thread_stack_temporary): Take a thread pointer instead of a ptid_t. Adjust all callers. (thread_info::set_running): New. (validate_registers_access): Use inferior_thread. (can_access_registers_ptid): Rename to ... (can_access_registers_thread): ... this, and take a thread pointer. (print_thread_info_1): Adjust to compare thread pointers instead of ptids. (switch_to_no_thread, switch_to_thread): Make extern. (scoped_restore_current_thread::~scoped_restore_current_thread): Use m_thread pointer directly. (scoped_restore_current_thread::scoped_restore_current_thread): Use inferior_thread. (thread_command): Use thread pointer directly. (thread_num_make_value_helper): Use inferior_thread. * top.c (execute_command): Use inferior_thread. * tui/tui-interp.c: Include "inferior.h". * varobj.c (varobj_create): Use inferior_thread. (value_of_root_1): Use find_thread_global_id instead of global_thread_id_to_ptid.
Diffstat (limited to 'gdb/infcall.c')
-rw-r--r--gdb/infcall.c66
1 files changed, 33 insertions, 33 deletions
diff --git a/gdb/infcall.c b/gdb/infcall.c
index c20ab6f..e1861dc 100644
--- a/gdb/infcall.c
+++ b/gdb/infcall.c
@@ -422,7 +422,8 @@ static struct value *
get_call_return_value (struct call_return_meta_info *ri)
{
struct value *retval = NULL;
- bool stack_temporaries = thread_stack_temporaries_enabled_p (inferior_ptid);
+ thread_info *thr = inferior_thread ();
+ bool stack_temporaries = thread_stack_temporaries_enabled_p (thr);
if (TYPE_CODE (ri->value_type) == TYPE_CODE_VOID)
retval = allocate_value (ri->value_type);
@@ -432,7 +433,7 @@ get_call_return_value (struct call_return_meta_info *ri)
{
retval = value_from_contents_and_address (ri->value_type, NULL,
ri->struct_addr);
- push_thread_stack_temporary (inferior_ptid, retval);
+ push_thread_stack_temporary (thr, retval);
}
else
{
@@ -458,7 +459,7 @@ get_call_return_value (struct call_return_meta_info *ri)
the this pointer, GDB needs the memory address of the
value. */
value_force_lval (retval, ri->struct_addr);
- push_thread_stack_temporary (inferior_ptid, retval);
+ push_thread_stack_temporary (thr, retval);
}
}
@@ -586,6 +587,7 @@ run_inferior_call (struct call_thread_fsm *sm,
struct gdb_exception caught_error = exception_none;
int saved_in_infcall = call_thread->control.in_infcall;
ptid_t call_thread_ptid = call_thread->ptid;
+ inferior *call_thread_inf = call_thread->inf;
enum prompt_state saved_prompt_state = current_ui->prompt_state;
int was_running = call_thread->state == THREAD_RUNNING;
int saved_ui_async = current_ui->async;
@@ -637,10 +639,6 @@ run_inferior_call (struct call_thread_fsm *sm,
ui_register_input_event_handler (current_ui);
current_ui->async = saved_ui_async;
- /* At this point the current thread may have changed. Refresh
- CALL_THREAD as it could be invalid if its thread has exited. */
- call_thread = find_thread_ptid (call_thread_ptid);
-
/* If the infcall does NOT succeed, normal_stop will have already
finished the thread states. However, on success, normal_stop
defers here, so that we can set back the thread states to what
@@ -657,7 +655,7 @@ run_inferior_call (struct call_thread_fsm *sm,
evaluates true and thus we'll present a user-visible stop is
decided elsewhere. */
if (!was_running
- && ptid_equal (call_thread_ptid, inferior_ptid)
+ && call_thread_ptid == inferior_ptid
&& stop_stack_dummy == STOP_STACK_DUMMY)
finish_thread_state (user_visible_resume_ptid (0));
@@ -670,12 +668,11 @@ run_inferior_call (struct call_thread_fsm *sm,
of error out of resume()), then we wouldn't need this. */
if (caught_error.reason < 0)
{
- if (call_thread != NULL)
+ if (call_thread->state != THREAD_EXITED)
breakpoint_auto_delete (call_thread->control.stop_bpstat);
}
- if (call_thread != NULL)
- call_thread->control.in_infcall = saved_in_infcall;
+ call_thread->control.in_infcall = saved_in_infcall;
return caught_error;
}
@@ -739,7 +736,6 @@ call_function_by_hand_dummy (struct value *function,
ptid_t call_thread_ptid;
struct gdb_exception e;
char name_buf[RAW_FUNCTION_ADDRESS_SIZE];
- bool stack_temporaries = thread_stack_temporaries_enabled_p (inferior_ptid);
if (!target_has_execution)
noprocess ();
@@ -750,6 +746,14 @@ call_function_by_hand_dummy (struct value *function,
if (execution_direction == EXEC_REVERSE)
error (_("Cannot call functions in reverse mode."));
+ /* We're going to run the target, and inspect the thread's state
+ afterwards. Hold a strong reference so that the pointer remains
+ valid even if the thread exits. */
+ thread_info_ref call_thread
+ = thread_info_ref::new_reference (inferior_thread ());
+
+ bool stack_temporaries = thread_stack_temporaries_enabled_p (call_thread.get ());
+
frame = get_current_frame ();
gdbarch = get_frame_arch (frame);
@@ -842,7 +846,7 @@ call_function_by_hand_dummy (struct value *function,
{
struct value *lastval;
- lastval = get_last_thread_stack_temporary (inferior_ptid);
+ lastval = get_last_thread_stack_temporary (call_thread.get ());
if (lastval != NULL)
{
CORE_ADDR lastval_addr = value_address (lastval);
@@ -1137,9 +1141,9 @@ call_function_by_hand_dummy (struct value *function,
/* Everything's ready, push all the info needed to restore the
caller (and identify the dummy-frame) onto the dummy-frame
stack. */
- dummy_frame_push (caller_state, &dummy_id, inferior_ptid);
+ dummy_frame_push (caller_state, &dummy_id, call_thread.get ());
if (dummy_dtor != NULL)
- register_dummy_frame_dtor (dummy_id, inferior_ptid,
+ register_dummy_frame_dtor (dummy_id, call_thread.get (),
dummy_dtor, dummy_dtor_data);
/* Register a clean-up for unwind_on_terminating_exception_breakpoint. */
@@ -1150,20 +1154,17 @@ call_function_by_hand_dummy (struct value *function,
If you're looking to implement asynchronous dummy-frames, then
just below is the place to chop this function in two.. */
- /* TP is invalid after run_inferior_call returns, so enclose this
- in a block so that it's only in scope during the time it's valid. */
{
- struct thread_info *tp = inferior_thread ();
struct thread_fsm *saved_sm;
struct call_thread_fsm *sm;
/* Save the current FSM. We'll override it. */
- saved_sm = tp->thread_fsm;
- tp->thread_fsm = NULL;
+ saved_sm = call_thread->thread_fsm;
+ call_thread->thread_fsm = NULL;
/* Save this thread's ptid, we need it later but the thread
may have exited. */
- call_thread_ptid = tp->ptid;
+ call_thread_ptid = call_thread->ptid;
/* Run the inferior until it stops. */
@@ -1177,17 +1178,16 @@ call_function_by_hand_dummy (struct value *function,
struct_return || hidden_first_param_p,
struct_addr);
- e = run_inferior_call (sm, tp, real_pc);
+ e = run_inferior_call (sm, call_thread.get (), real_pc);
gdb::observers::inferior_call_post.notify (call_thread_ptid, funaddr);
- tp = find_thread_ptid (call_thread_ptid);
- if (tp != NULL)
+ if (call_thread->state != THREAD_EXITED)
{
/* The FSM should still be the same. */
- gdb_assert (tp->thread_fsm == &sm->thread_fsm);
+ gdb_assert (call_thread->thread_fsm == &sm->thread_fsm);
- if (thread_fsm_finished_p (tp->thread_fsm))
+ if (thread_fsm_finished_p (call_thread->thread_fsm))
{
struct value *retval;
@@ -1195,7 +1195,7 @@ call_function_by_hand_dummy (struct value *function,
which runs its destructors and restores the inferior's
suspend state, and restore the inferior control
state. */
- dummy_frame_pop (dummy_id, call_thread_ptid);
+ dummy_frame_pop (dummy_id, call_thread.get ());
restore_infcall_control_state (inf_status);
/* Get the return value. */
@@ -1203,9 +1203,9 @@ call_function_by_hand_dummy (struct value *function,
/* Clean up / destroy the call FSM, and restore the
original one. */
- thread_fsm_clean_up (tp->thread_fsm, tp);
- thread_fsm_delete (tp->thread_fsm);
- tp->thread_fsm = saved_sm;
+ thread_fsm_clean_up (call_thread->thread_fsm, call_thread.get ());
+ thread_fsm_delete (call_thread->thread_fsm);
+ call_thread->thread_fsm = saved_sm;
maybe_remove_breakpoints ();
@@ -1216,7 +1216,7 @@ call_function_by_hand_dummy (struct value *function,
/* Didn't complete. Restore previous state machine, and
handle the error. */
- tp->thread_fsm = saved_sm;
+ call_thread->thread_fsm = saved_sm;
}
}
@@ -1317,7 +1317,7 @@ When the function is done executing, GDB will silently stop."),
/* We must get back to the frame we were before the
dummy call. */
- dummy_frame_pop (dummy_id, call_thread_ptid);
+ dummy_frame_pop (dummy_id, call_thread.get ());
/* We also need to restore inferior status to that before the
dummy call. */
@@ -1358,7 +1358,7 @@ When the function is done executing, GDB will silently stop."),
{
/* We must get back to the frame we were before the dummy
call. */
- dummy_frame_pop (dummy_id, call_thread_ptid);
+ dummy_frame_pop (dummy_id, call_thread.get ());
/* We also need to restore inferior status to that before
the dummy call. */