#include "event-loop.h"
#include "inf-loop.h"
#include "vec.h"
+#include "inferior.h"
#include <algorithm>
static const target_info record_btrace_target_info = {
static struct thread_info *
require_btrace_thread (void)
{
- struct thread_info *tp;
-
DEBUG ("require");
- tp = find_thread_ptid (inferior_ptid);
- if (tp == NULL)
+ if (inferior_ptid == null_ptid)
error (_("No thread."));
+ thread_info *tp = inferior_thread ();
+
validate_registers_access ();
btrace_fetch (tp, record_btrace_get_cpu ());
record_btrace_target::disconnect (const char *args,
int from_tty)
{
- struct target_ops *beneath = this->beneath;
+ struct target_ops *beneath = this->beneath ();
/* Do not stop recording, just clean up GDB side. */
unpush_target (this);
else
clear_async_event_handler (record_btrace_async_inferior_event_handler);
- this->beneath->async (enable);
+ this->beneath ()->async (enable);
}
/* Adjusts the size and returns a human readable size suffix. */
struct thread_info *tp;
ALL_NON_EXITED_THREADS (tp)
- if (ptid_match (tp->ptid, ptid) && btrace_is_replaying (tp))
+ if (tp->ptid.matches (ptid) && btrace_is_replaying (tp))
return true;
return false;
}
/* Forward the request. */
- return this->beneath->xfer_partial (object, annex, readbuf, writebuf,
- offset, len, xfered_len);
+ return this->beneath ()->xfer_partial (object, annex, readbuf, writebuf,
+ offset, len, xfered_len);
}
/* The insert_breakpoint method of target record-btrace. */
ret = 0;
TRY
{
- ret = this->beneath->insert_breakpoint (gdbarch, bp_tgt);
+ ret = this->beneath ()->insert_breakpoint (gdbarch, bp_tgt);
}
CATCH (except, RETURN_MASK_ALL)
{
ret = 0;
TRY
{
- ret = this->beneath->remove_breakpoint (gdbarch, bp_tgt, reason);
+ ret = this->beneath ()->remove_breakpoint (gdbarch, bp_tgt, reason);
}
CATCH (except, RETURN_MASK_ALL)
{
insn = btrace_insn_get (replay);
gdb_assert (insn != NULL);
- regcache_raw_supply (regcache, regno, &insn->pc);
+ regcache->raw_supply (regno, &insn->pc);
}
else
- this->beneath->fetch_registers (regcache, regno);
+ this->beneath ()->fetch_registers (regcache, regno);
}
/* The store_registers method of target record-btrace. */
void
record_btrace_target::store_registers (struct regcache *regcache, int regno)
{
- struct target_ops *t;
-
if (!record_btrace_generating_corefile
&& record_is_replaying (regcache->ptid ()))
error (_("Cannot write registers while replaying."));
gdb_assert (may_write_registers != 0);
- this->beneath->store_registers (regcache, regno);
+ this->beneath ()->store_registers (regcache, regno);
}
/* The prepare_to_store method of target record-btrace. */
&& record_is_replaying (regcache->ptid ()))
return;
- this->beneath->prepare_to_store (regcache);
+ this->beneath ()->prepare_to_store (regcache);
}
/* The branch trace frame cache. */
struct frame_info *next;
/* THIS_FRAME does not contain a reference to its thread. */
- tp = find_thread_ptid (inferior_ptid);
- gdb_assert (tp != NULL);
+ tp = inferior_thread ();
bfun = NULL;
next = get_next_frame (this_frame);
if ((callee->flags & BFUN_UP_LINKS_TO_TAILCALL) == 0)
return 0;
- tinfo = find_thread_ptid (inferior_ptid);
+ tinfo = inferior_thread ();
if (btrace_find_call_by_number (&it, &tinfo->btrace, callee->up) == 0)
return 0;
ptid_t old_inferior_ptid;
int executing;
- /* Set INFERIOR_PTID, which is implicitly used by get_current_frame. */
- old_inferior_ptid = inferior_ptid;
- inferior_ptid = tp->ptid;
+ /* Set current thread, which is implicitly used by
+ get_current_frame. */
+ scoped_restore_current_thread restore_thread;
+
+ switch_to_thread (tp);
/* Clear the executing flag to allow changes to the current frame.
We are not actually running, yet. We just started a reverse execution
For the former, EXECUTING is true and we're in wait, about to
move the thread. Since we need to recompute the stack, we temporarily
set EXECUTING to flase. */
- executing = is_executing (inferior_ptid);
- set_executing (inferior_ptid, 0);
+ executing = tp->executing;
+ set_executing (inferior_ptid, false);
frame = NULL;
TRY
/* Restore the previous execution state. */
set_executing (inferior_ptid, executing);
- /* Restore the previous inferior_ptid. */
- inferior_ptid = old_inferior_ptid;
-
throw_exception (except);
}
END_CATCH
/* Restore the previous execution state. */
set_executing (inferior_ptid, executing);
- /* Restore the previous inferior_ptid. */
- inferior_ptid = old_inferior_ptid;
-
return frame;
}
btinfo->replay = replay;
/* Make sure we're not using any stale registers. */
- registers_changed_ptid (tp->ptid);
+ registers_changed_thread (tp);
/* The current frame with replaying - computed via btrace unwind. */
frame = get_thread_current_frame (tp);
xfree (btinfo->replay);
btinfo->replay = NULL;
- registers_changed_ptid (tp->ptid);
+ registers_changed_thread (tp);
throw_exception (except);
}
btinfo->replay = NULL;
/* Make sure we're not leaving any stale registers. */
- registers_changed_ptid (tp->ptid);
+ registers_changed_thread (tp);
}
/* Stop replaying TP if it is at the end of its execution history. */
if ((::execution_direction != EXEC_REVERSE)
&& !record_is_replaying (minus_one_ptid))
{
- this->beneath->resume (ptid, step, signal);
+ this->beneath ()->resume (ptid, step, signal);
return;
}
For all-stop targets, we only step INFERIOR_PTID and continue others. */
if (!target_is_non_stop_p ())
{
- gdb_assert (ptid_match (inferior_ptid, ptid));
+ gdb_assert (inferior_ptid.matches (ptid));
ALL_NON_EXITED_THREADS (tp)
- if (ptid_match (tp->ptid, ptid))
+ if (tp->ptid.matches (ptid))
{
- if (ptid_match (tp->ptid, inferior_ptid))
+ if (tp->ptid.matches (inferior_ptid))
record_btrace_resume_thread (tp, flag);
else
record_btrace_resume_thread (tp, cflag);
else
{
ALL_NON_EXITED_THREADS (tp)
- if (ptid_match (tp->ptid, ptid))
+ if (tp->ptid.matches (ptid))
record_btrace_resume_thread (tp, flag);
}
{
if ((::execution_direction != EXEC_REVERSE)
&& !record_is_replaying (minus_one_ptid))
- beneath->commit_resume ();
+ beneath ()->commit_resume ();
}
/* Cancel resuming TP. */
struct btrace_insn_iterator *replay;
struct btrace_thread_info *btinfo;
const struct btrace_insn *insn;
- struct inferior *inf;
btinfo = &tp->btrace;
replay = btinfo->replay;
if (insn == NULL)
return 0;
- inf = find_inferior_ptid (tp->ptid);
- if (inf == NULL)
- return 0;
-
- return record_check_stopped_by_breakpoint (inf->aspace, insn->pc,
+ return record_check_stopped_by_breakpoint (tp->inf->aspace, insn->pc,
&btinfo->stop_reason);
}
if ((::execution_direction != EXEC_REVERSE)
&& !record_is_replaying (minus_one_ptid))
{
- return this->beneath->wait (ptid, status, options);
+ return this->beneath ()->wait (ptid, status, options);
}
/* Keep a work list of moving threads. */
ALL_NON_EXITED_THREADS (tp)
{
- if (ptid_match (tp->ptid, ptid)
+ if (tp->ptid.matches (ptid)
&& ((tp->btrace.flags & (BTHR_MOVE | BTHR_STOP)) != 0))
moving.push_back (tp);
}
record_btrace_clear_histories (&eventing->btrace);
/* We moved the replay position but did not update registers. */
- registers_changed_ptid (eventing->ptid);
+ registers_changed_thread (eventing);
DEBUG ("wait ended by thread %s (%s): %s",
print_thread_id (eventing),
if ((::execution_direction != EXEC_REVERSE)
&& !record_is_replaying (minus_one_ptid))
{
- this->beneath->stop (ptid);
+ this->beneath ()->stop (ptid);
}
else
{
struct thread_info *tp;
ALL_NON_EXITED_THREADS (tp)
- if (ptid_match (tp->ptid, ptid))
+ if (tp->ptid.matches (ptid))
{
tp->btrace.flags &= ~BTHR_MOVE;
tp->btrace.flags |= BTHR_STOP;
return tp->btrace.stop_reason == TARGET_STOPPED_BY_SW_BREAKPOINT;
}
- return this->beneath->stopped_by_sw_breakpoint ();
+ return this->beneath ()->stopped_by_sw_breakpoint ();
}
/* The supports_stopped_by_sw_breakpoint method of target
if (record_is_replaying (minus_one_ptid))
return true;
- return this->beneath->supports_stopped_by_sw_breakpoint ();
+ return this->beneath ()->supports_stopped_by_sw_breakpoint ();
}
/* The stopped_by_sw_breakpoint method of target record-btrace. */
return tp->btrace.stop_reason == TARGET_STOPPED_BY_HW_BREAKPOINT;
}
- return this->beneath->stopped_by_hw_breakpoint ();
+ return this->beneath ()->stopped_by_hw_breakpoint ();
}
/* The supports_stopped_by_hw_breakpoint method of target
if (record_is_replaying (minus_one_ptid))
return true;
- return this->beneath->supports_stopped_by_hw_breakpoint ();
+ return this->beneath ()->supports_stopped_by_hw_breakpoint ();
}
/* The update_thread_list method of target record-btrace. */
return;
/* Forward the request. */
- this->beneath->update_thread_list ();
+ this->beneath ()->update_thread_list ();
}
/* The thread_alive method of target record-btrace. */
{
/* We don't add or remove threads during replay. */
if (record_is_replaying (minus_one_ptid))
- return find_thread_ptid (ptid) != NULL;
+ return true;
/* Forward the request. */
- return this->beneath->thread_alive (ptid);
+ return this->beneath ()->thread_alive (ptid);
}
/* Set the replay branch trace instruction iterator. If IT is NULL, replay
return;
*btinfo->replay = *it;
- registers_changed_ptid (tp->ptid);
+ registers_changed_thread (tp);
}
/* Start anew from the new replay position. */
record_btrace_clear_histories (btinfo);
- stop_pc = regcache_read_pc (get_current_regcache ());
+ inferior_thread ()->suspend.stop_pc
+ = regcache_read_pc (get_current_regcache ());
print_stack_frame (get_selected_frame (NULL), 1, SRC_AND_LOC, 1);
}
static void
cmd_show_record_btrace_cpu (const char *args, int from_tty)
{
- const char *cpu;
-
if (args != nullptr && *args != 0)
error (_("Trailing junk: '%s'."), args);
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