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| //===-- ThreadPlanStepOut.h -------------------------------------*- C++ -*-===//
//
// Part of the LLVM Project, under the Apache License v2.0 with LLVM Exceptions.
// See https://llvm.org/LICENSE.txt for license information.
// SPDX-License-Identifier: Apache-2.0 WITH LLVM-exception
//
//===----------------------------------------------------------------------===//
#ifndef liblldb_ThreadPlanStepOut_h_
#define liblldb_ThreadPlanStepOut_h_
#include "lldb/Target/Thread.h"
#include "lldb/Target/ThreadPlan.h"
#include "lldb/Target/ThreadPlanShouldStopHere.h"
namespace lldb_private {
class ThreadPlanStepOut : public ThreadPlan, public ThreadPlanShouldStopHere {
public:
ThreadPlanStepOut(Thread &thread, SymbolContext *addr_context,
bool first_insn, bool stop_others, Vote stop_vote,
Vote run_vote, uint32_t frame_idx,
LazyBool step_out_avoids_code_without_debug_info,
bool continue_to_next_branch = false,
bool gather_return_value = true);
~ThreadPlanStepOut() override;
void GetDescription(Stream *s, lldb::DescriptionLevel level) override;
bool ValidatePlan(Stream *error) override;
bool ShouldStop(Event *event_ptr) override;
bool StopOthers() override;
lldb::StateType GetPlanRunState() override;
bool WillStop() override;
bool MischiefManaged() override;
void DidPush() override;
bool IsPlanStale() override;
lldb::ValueObjectSP GetReturnValueObject() override {
return m_return_valobj_sp;
}
protected:
void SetFlagsToDefault() override {
GetFlags().Set(ThreadPlanStepOut::s_default_flag_values);
}
bool DoPlanExplainsStop(Event *event_ptr) override;
bool DoWillResume(lldb::StateType resume_state, bool current_plan) override;
bool QueueInlinedStepPlan(bool queue_now);
private:
static uint32_t s_default_flag_values; // These are the default flag values
// for the ThreadPlanStepThrough.
lldb::addr_t m_step_from_insn;
StackID m_step_out_to_id;
StackID m_immediate_step_from_id;
lldb::break_id_t m_return_bp_id;
lldb::addr_t m_return_addr;
bool m_stop_others;
lldb::ThreadPlanSP m_step_out_to_inline_plan_sp; // This plan implements step
// out to the real function
// containing
// an inlined frame so we can then step out of that.
lldb::ThreadPlanSP m_step_through_inline_plan_sp; // This plan then steps past
// the inlined frame(s).
lldb::ThreadPlanSP m_step_out_further_plan_sp; // This plan keeps stepping out
// if ShouldStopHere told us
// to.
Function *m_immediate_step_from_function;
std::vector<lldb::StackFrameSP> m_stepped_past_frames;
lldb::ValueObjectSP m_return_valobj_sp;
bool m_calculate_return_value;
friend lldb::ThreadPlanSP Thread::QueueThreadPlanForStepOut(
bool abort_other_plans, SymbolContext *addr_context, bool first_insn,
bool stop_others, Vote stop_vote, Vote run_vote, uint32_t frame_idx,
Status &status, LazyBool step_out_avoids_code_without_debug_info);
void SetupAvoidNoDebug(LazyBool step_out_avoids_code_without_debug_info);
// Need an appropriate marker for the current stack so we can tell step out
// from step in.
void CalculateReturnValue();
DISALLOW_COPY_AND_ASSIGN(ThreadPlanStepOut);
};
} // namespace lldb_private
#endif // liblldb_ThreadPlanStepOut_h_
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