llvm-project/lldb/source/Host/common/SoftwareBreakpoint.h

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//===-- SoftwareBreakpoint.h ------------------------------------*- C++ -*-===//
//
// The LLVM Compiler Infrastructure
//
// This file is distributed under the University of Illinois Open Source
// License. See LICENSE.TXT for details.
//
//===----------------------------------------------------------------------===//
#ifndef liblldb_SoftwareBreakpoint_h_
#define liblldb_SoftwareBreakpoint_h_
#include "lldb/lldb-private-forward.h"
#include "NativeBreakpoint.h"
namespace lldb_private
{
class SoftwareBreakpoint : public NativeBreakpoint
{
public:
static Error
CreateSoftwareBreakpoint (NativeProcessProtocol &process, lldb::addr_t addr, size_t size_hint, NativeBreakpointSP &breakpoint_spn);
SoftwareBreakpoint (NativeProcessProtocol &process, lldb::addr_t addr, const uint8_t *saved_opcodes, const uint8_t *trap_opcodes, size_t opcode_size);
protected:
Error
DoEnable () override;
Error
DoDisable () override;
bool
IsSoftwareBreakpoint () const override;
private:
/// Max number of bytes that a software trap opcode sequence can occupy.
static const size_t MAX_TRAP_OPCODE_SIZE = 8;
NativeProcessProtocol &m_process;
uint8_t m_saved_opcodes [MAX_TRAP_OPCODE_SIZE];
uint8_t m_trap_opcodes [MAX_TRAP_OPCODE_SIZE];
const size_t m_opcode_size;
static Error
EnableSoftwareBreakpoint (NativeProcessProtocol &process, lldb::addr_t addr, size_t bp_opcode_size, const uint8_t *bp_opcode_bytes, uint8_t *saved_opcode_bytes);
};
}
#endif // #ifndef liblldb_SoftwareBreakpoint_h_