| //===-- 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 "NativeBreakpoint.h" |
| #include "lldb/lldb-private-forward.h" |
| |
| namespace lldb_private { |
| class SoftwareBreakpoint : public NativeBreakpoint { |
| friend class NativeBreakpointList; |
| |
| public: |
| static Status 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: |
| Status DoEnable() override; |
| |
| Status 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 Status 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_ |