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| //===-- StoppointLocation.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_StoppointLocation_h_
#define liblldb_StoppointLocation_h_
#include "lldb/Utility/UserID.h"
#include "lldb/lldb-private.h"
// #include "lldb/Breakpoint/BreakpointOptions.h"
namespace lldb_private {
class StoppointLocation {
public:
// Constructors and Destructors
StoppointLocation(lldb::break_id_t bid, lldb::addr_t m_addr, bool hardware);
StoppointLocation(lldb::break_id_t bid, lldb::addr_t m_addr,
uint32_t byte_size, bool hardware);
virtual ~StoppointLocation();
// Operators
// Methods
virtual lldb::addr_t GetLoadAddress() const { return m_addr; }
virtual void SetLoadAddress(lldb::addr_t addr) { m_addr = addr; }
uint32_t GetByteSize() const { return m_byte_size; }
uint32_t GetHitCount() const { return m_hit_count; }
uint32_t GetHardwareIndex() const { return m_hardware_index; }
bool HardwareRequired() const { return m_hardware; }
virtual bool IsHardware() const {
return m_hardware_index != LLDB_INVALID_INDEX32;
}
virtual bool ShouldStop(StoppointCallbackContext *context) { return true; }
virtual void Dump(Stream *stream) const {}
void SetHardwareIndex(uint32_t index) { m_hardware_index = index; }
lldb::break_id_t GetID() const { return m_loc_id; }
protected:
// Classes that inherit from StoppointLocation can see and modify these
lldb::break_id_t m_loc_id; // Stoppoint location ID
lldb::addr_t
m_addr; // The load address of this stop point. The base Stoppoint doesn't
// store a full Address since that's not needed for the breakpoint sites.
bool m_hardware; // True if this point has been is required to use hardware
// (which may fail due to lack of resources)
uint32_t m_hardware_index; // The hardware resource index for this
// breakpoint/watchpoint
uint32_t m_byte_size; // The size in bytes of stop location. e.g. the length
// of the trap opcode for
// software breakpoints, or the optional length in bytes for hardware
// breakpoints, or the length of the watchpoint.
uint32_t
m_hit_count; // Number of times this breakpoint/watchpoint has been hit
// If you override this, be sure to call the base class to increment the
// internal counter.
void IncrementHitCount() { ++m_hit_count; }
void DecrementHitCount();
private:
// For StoppointLocation only
DISALLOW_COPY_AND_ASSIGN(StoppointLocation);
StoppointLocation() = delete;
};
} // namespace lldb_private
#endif // liblldb_StoppointLocation_h_
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