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Diffstat (limited to 'lldb/tools/debugserver/source/MacOSX/ppc/DNBArchImpl.h')
| -rw-r--r-- | lldb/tools/debugserver/source/MacOSX/ppc/DNBArchImpl.h | 180 |
1 files changed, 180 insertions, 0 deletions
diff --git a/lldb/tools/debugserver/source/MacOSX/ppc/DNBArchImpl.h b/lldb/tools/debugserver/source/MacOSX/ppc/DNBArchImpl.h new file mode 100644 index 00000000000..6263407460a --- /dev/null +++ b/lldb/tools/debugserver/source/MacOSX/ppc/DNBArchImpl.h @@ -0,0 +1,180 @@ +//===-- 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; +}; + +typedef DNBArchMachPPC DNBArch; +#endif // #if defined (__powerpc__) || defined (__ppc__) || defined (__ppc64__) +#endif // #ifndef __DebugNubArchMachPPC_h__ |
