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| //===-- ThreadPlanStepRange.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_ThreadPlanStepRange_h_
#define liblldb_ThreadPlanStepRange_h_
#include "lldb/Core/AddressRange.h"
#include "lldb/Target/StackID.h"
#include "lldb/Target/Thread.h"
#include "lldb/Target/ThreadPlan.h"
#include "lldb/Target/ThreadPlanShouldStopHere.h"
namespace lldb_private {
class ThreadPlanStepRange : public ThreadPlan {
public:
ThreadPlanStepRange(ThreadPlanKind kind, const char *name, Thread &thread,
const AddressRange &range,
const SymbolContext &addr_context,
lldb::RunMode stop_others,
bool given_ranges_only = false);
~ThreadPlanStepRange() override;
void GetDescription(Stream *s, lldb::DescriptionLevel level) override = 0;
bool ValidatePlan(Stream *error) override;
bool ShouldStop(Event *event_ptr) override = 0;
Vote ShouldReportStop(Event *event_ptr) override;
bool StopOthers() override;
lldb::StateType GetPlanRunState() override;
bool WillStop() override;
bool MischiefManaged() override;
void DidPush() override;
bool IsPlanStale() override;
void AddRange(const AddressRange &new_range);
protected:
bool InRange();
lldb::FrameComparison CompareCurrentFrameToStartFrame();
bool InSymbol();
void DumpRanges(Stream *s);
Disassembler *GetDisassembler();
InstructionList *GetInstructionsForAddress(lldb::addr_t addr,
size_t &range_index,
size_t &insn_offset);
// Pushes a plan to proceed through the next section of instructions in the
// range - usually just a RunToAddress plan to run to the next branch.
// Returns true if it pushed such a plan. If there was no available 'quick
// run' plan, then just single step.
bool SetNextBranchBreakpoint();
void ClearNextBranchBreakpoint();
bool NextRangeBreakpointExplainsStop(lldb::StopInfoSP stop_info_sp);
SymbolContext m_addr_context;
std::vector<AddressRange> m_address_ranges;
lldb::RunMode m_stop_others;
StackID m_stack_id; // Use the stack ID so we can tell step out from step in.
StackID m_parent_stack_id; // Use the parent stack ID so we can identify tail
// calls and the like.
bool m_no_more_plans; // Need this one so we can tell if we stepped into a
// call,
// but can't continue, in which case we are done.
bool m_first_run_event; // We want to broadcast only one running event, our
// first.
lldb::BreakpointSP m_next_branch_bp_sp;
bool m_use_fast_step;
bool m_given_ranges_only;
private:
std::vector<lldb::DisassemblerSP> m_instruction_ranges;
DISALLOW_COPY_AND_ASSIGN(ThreadPlanStepRange);
};
} // namespace lldb_private
#endif // liblldb_ThreadPlanStepRange_h_
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