| //===-- DNBArchImpl.h -------------------------------------------*- C++ -*-===// |
| // |
| // The LLVM Compiler Infrastructure |
| // |
| // This file is distributed under the University of Illinois Open Source |
| // License. See LICENSE.TXT for details. |
| // |
| //===----------------------------------------------------------------------===// |
| // |
| // Created by Greg Clayton on 6/25/07. |
| // |
| //===----------------------------------------------------------------------===// |
| |
| #ifndef __DebugNubArchMachPPC_h__ |
| #define __DebugNubArchMachPPC_h__ |
| |
| #if defined (__powerpc__) || defined (__ppc__) || defined (__ppc64__) |
| |
| #include "DNBArch.h" |
| |
| class MachThread; |
| |
| class DNBArchMachPPC : public DNBArchProtocol |
| { |
| public: |
| DNBArchMachPPC(MachThread *thread) : |
| m_thread(thread), |
| m_state() |
| { |
| } |
| |
| virtual ~DNBArchMachPPC() |
| { |
| } |
| |
| virtual const DNBRegisterSetInfo * |
| GetRegisterSetInfo(nub_size_t *num_reg_sets) const; |
| virtual bool GetRegisterValue(int set, int reg, DNBRegisterValue *value) const; |
| virtual kern_return_t GetRegisterState (int set, bool force); |
| virtual kern_return_t SetRegisterState (int set); |
| virtual bool RegisterSetStateIsValid (int set) const; |
| |
| virtual uint64_t GetPC(uint64_t failValue); // Get program counter |
| virtual kern_return_t SetPC(uint64_t value); |
| virtual uint64_t GetSP(uint64_t failValue); // Get stack pointer |
| virtual bool ThreadWillResume(); |
| virtual bool ThreadDidStop(); |
| |
| static const uint8_t * const SoftwareBreakpointOpcode (nub_size_t byte_size); |
| static uint32_t GetCPUType(); |
| |
| protected: |
| |
| |
| kern_return_t EnableHardwareSingleStep (bool enable); |
| |
| typedef enum RegisterSetTag |
| { |
| e_regSetALL = REGISTER_SET_ALL, |
| e_regSetGPR, |
| e_regSetFPR, |
| e_regSetEXC, |
| e_regSetVEC, |
| kNumRegisterSets |
| } RegisterSet; |
| |
| typedef enum RegisterSetWordSizeTag |
| { |
| e_regSetWordSizeGPR = PPC_THREAD_STATE_COUNT, |
| e_regSetWordSizeFPR = PPC_FLOAT_STATE_COUNT, |
| e_regSetWordSizeEXC = PPC_EXCEPTION_STATE_COUNT, |
| e_regSetWordSizeVEC = PPC_VECTOR_STATE_COUNT |
| } RegisterSetWordSize; |
| |
| enum |
| { |
| Read = 0, |
| Write = 1, |
| kNumErrors = 2 |
| }; |
| |
| struct State |
| { |
| ppc_thread_state_t gpr; |
| ppc_float_state_t fpr; |
| ppc_exception_state_t exc; |
| ppc_vector_state_t vec; |
| kern_return_t gpr_errs[2]; // Read/Write errors |
| kern_return_t fpr_errs[2]; // Read/Write errors |
| kern_return_t exc_errs[2]; // Read/Write errors |
| kern_return_t vec_errs[2]; // Read/Write errors |
| |
| State() |
| { |
| uint32_t i; |
| for (i=0; i<kNumErrors; i++) |
| { |
| gpr_errs[i] = -1; |
| fpr_errs[i] = -1; |
| exc_errs[i] = -1; |
| vec_errs[i] = -1; |
| } |
| } |
| void InvalidateAllRegisterStates() |
| { |
| SetError (e_regSetALL, Read, -1); |
| } |
| kern_return_t GetError (int set, uint32_t err_idx) const |
| { |
| if (err_idx < kNumErrors) |
| { |
| switch (set) |
| { |
| // When getting all errors, just OR all values together to see if |
| // we got any kind of error. |
| case e_regSetALL: return gpr_errs[err_idx] | fpr_errs[err_idx] | exc_errs[err_idx] | vec_errs[err_idx]; |
| case e_regSetGPR: return gpr_errs[err_idx]; |
| case e_regSetFPR: return fpr_errs[err_idx]; |
| case e_regSetEXC: return exc_errs[err_idx]; |
| case e_regSetVEC: return vec_errs[err_idx]; |
| default: break; |
| } |
| } |
| return -1; |
| } |
| bool SetError (int set, uint32_t err_idx, kern_return_t err) |
| { |
| if (err_idx < kNumErrors) |
| { |
| switch (set) |
| { |
| case e_regSetALL: |
| gpr_errs[err_idx] = fpr_errs[err_idx] = exc_errs[err_idx] = vec_errs[err_idx] = err; |
| return true; |
| |
| case e_regSetGPR: |
| gpr_errs[err_idx] = err; |
| return true; |
| |
| case e_regSetFPR: |
| fpr_errs[err_idx] = err; |
| return true; |
| |
| case e_regSetEXC: |
| exc_errs[err_idx] = err; |
| return true; |
| |
| case e_regSetVEC: |
| vec_errs[err_idx] = err; |
| return true; |
| |
| default: break; |
| } |
| } |
| return false; |
| } |
| bool RegsAreValid (int set) const |
| { |
| return GetError(set, Read) == KERN_SUCCESS; |
| } |
| }; |
| |
| kern_return_t GetGPRState (bool force); |
| kern_return_t GetFPRState (bool force); |
| kern_return_t GetEXCState (bool force); |
| kern_return_t GetVECState (bool force); |
| |
| kern_return_t SetGPRState (); |
| kern_return_t SetFPRState (); |
| kern_return_t SetEXCState (); |
| kern_return_t SetVECState (); |
| |
| protected: |
| MachThread * m_thread; |
| State m_state; |
| }; |
| |
| #endif // #if defined (__powerpc__) || defined (__ppc__) || defined (__ppc64__) |
| #endif // #ifndef __DebugNubArchMachPPC_h__ |