| // Copyright 2014, VIXL authors |
| // All rights reserved. |
| // |
| // Redistribution and use in source and binary forms, with or without |
| // modification, are permitted provided that the following conditions are met: |
| // |
| // * Redistributions of source code must retain the above copyright notice, |
| // this list of conditions and the following disclaimer. |
| // * Redistributions in binary form must reproduce the above copyright notice, |
| // this list of conditions and the following disclaimer in the documentation |
| // and/or other materials provided with the distribution. |
| // * Neither the name of ARM Limited nor the names of its contributors may be |
| // used to endorse or promote products derived from this software without |
| // specific prior written permission. |
| // |
| // THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS CONTRIBUTORS "AS IS" AND |
| // ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED |
| // WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE |
| // DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT OWNER OR CONTRIBUTORS BE LIABLE |
| // FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL |
| // DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR |
| // SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER |
| // CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, |
| // OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE |
| // OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE. |
| |
| #ifdef VIXL_INCLUDE_SIMULATOR_AARCH64 |
| |
| #ifndef VIXL_AARCH64_DEBUGGER_AARCH64_H_ |
| #define VIXL_AARCH64_DEBUGGER_AARCH64_H_ |
| |
| #include <cctype> |
| #include <cerrno> |
| #include <climits> |
| #include <vector> |
| |
| #include "../globals-vixl.h" |
| #include "../utils-vixl.h" |
| |
| #include "constants-aarch64.h" |
| #include "simulator-aarch64.h" |
| |
| namespace vixl { |
| namespace aarch64 { |
| |
| // Forward declarations. |
| class DebugCommand; |
| class Token; |
| class FormatToken; |
| |
| class Debugger : public Simulator { |
| public: |
| explicit Debugger(Decoder* decoder, FILE* stream = stdout); |
| ~Debugger(); |
| |
| virtual void Run() VIXL_OVERRIDE; |
| virtual void VisitException(const Instruction* instr) VIXL_OVERRIDE; |
| |
| bool IsDebuggerActive() const { return debugger_active_; } |
| void ActivateDebugger() { debugger_active_ = true; } |
| void DeactivateDebugger() { debugger_active_ = false; } |
| |
| // Numbers of instructions to execute before the debugger shell is given |
| // back control. |
| int64_t GetSteps() const { return steps_; } |
| VIXL_DEPRECATED("GetSteps", int64_t steps() const) { return GetSteps(); } |
| |
| void SetSteps(int64_t value) { |
| VIXL_ASSERT(value >= 0); |
| steps_ = value; |
| } |
| VIXL_DEPRECATED("SetSteps", void set_steps(int64_t value)) { |
| return SetSteps(value); |
| } |
| |
| void PrintInstructions(const void* address, |
| int64_t count = 1, |
| const char* prefix = ""); |
| void PrintNextInstruction() { PrintInstructions(ReadPc(), 1, "Next: "); } |
| void PrintMemory(const uint8_t* address, |
| const FormatToken* format, |
| int64_t count = 1); |
| void PrintRegister(const Register& target_reg, |
| const char* name, |
| const FormatToken* format); |
| void PrintFPRegister(const FPRegister& target_fpreg, |
| const FormatToken* format); |
| |
| private: |
| char* ReadCommandLine(const char* prompt, char* buffer, int length); |
| void RunDebuggerShell(); |
| void DoBreakpoint(const Instruction* instr); |
| |
| bool debugger_active_; |
| int64_t steps_; |
| DebugCommand* last_command_; |
| PrintDisassembler* disasm_; |
| Decoder* printer_; |
| |
| // Length of the biggest command line accepted by the debugger shell. |
| static const int kMaxDebugShellLine = 256; |
| }; |
| |
| } // namespace aarch64 |
| } // namespace vixl |
| |
| #endif // VIXL_AARCH64_DEBUGGER_AARCH64_H_ |
| |
| #endif // VIXL_INCLUDE_SIMULATOR_AARCH64 |