diff options
Diffstat (limited to 'lldb/tools/debugserver/source/MacOSX/i386/DNBArchImplI386.h')
| -rw-r--r-- | lldb/tools/debugserver/source/MacOSX/i386/DNBArchImplI386.h | 425 |
1 files changed, 201 insertions, 224 deletions
diff --git a/lldb/tools/debugserver/source/MacOSX/i386/DNBArchImplI386.h b/lldb/tools/debugserver/source/MacOSX/i386/DNBArchImplI386.h index 6b4252151fe..5b042668818 100644 --- a/lldb/tools/debugserver/source/MacOSX/i386/DNBArchImplI386.h +++ b/lldb/tools/debugserver/source/MacOSX/i386/DNBArchImplI386.h @@ -14,242 +14,219 @@ #ifndef __DNBArchImplI386_h__ #define __DNBArchImplI386_h__ -#if defined (__i386__) || defined (__x86_64__) +#if defined(__i386__) || defined(__x86_64__) -#include "DNBArch.h" #include "../HasAVX.h" +#include "DNBArch.h" #include "MachRegisterStatesI386.h" #include <map> class MachThread; -class DNBArchImplI386 : public DNBArchProtocol -{ +class DNBArchImplI386 : public DNBArchProtocol { public: - DNBArchImplI386(MachThread *thread) : - DNBArchProtocol(), - m_thread(thread), - m_state(), - m_2pc_dbg_checkpoint(), - m_2pc_trans_state(Trans_Done), - m_saved_register_states() - { - } - virtual ~DNBArchImplI386() - { - } - - static void Initialize(); - - virtual bool GetRegisterValue(uint32_t set, uint32_t reg, DNBRegisterValue *value); - virtual bool SetRegisterValue(uint32_t set, uint32_t reg, const DNBRegisterValue *value); - virtual nub_size_t GetRegisterContext (void *buf, nub_size_t buf_len); - virtual nub_size_t SetRegisterContext (const void *buf, nub_size_t buf_len); - virtual uint32_t SaveRegisterState (); - virtual bool RestoreRegisterState (uint32_t save_id); - - 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 void ThreadWillResume(); - virtual bool ThreadDidStop(); - virtual bool NotifyException(MachException::Data& exc); - - virtual uint32_t NumSupportedHardwareWatchpoints(); - virtual uint32_t EnableHardwareWatchpoint (nub_addr_t addr, nub_size_t size, bool read, bool write, bool also_set_on_task); - virtual bool DisableHardwareWatchpoint (uint32_t hw_break_index, bool also_set_on_task); - virtual uint32_t GetHardwareWatchpointHit(nub_addr_t &addr); + DNBArchImplI386(MachThread *thread) + : DNBArchProtocol(), m_thread(thread), m_state(), m_2pc_dbg_checkpoint(), + m_2pc_trans_state(Trans_Done), m_saved_register_states() {} + virtual ~DNBArchImplI386() {} + + static void Initialize(); + + virtual bool GetRegisterValue(uint32_t set, uint32_t reg, + DNBRegisterValue *value); + virtual bool SetRegisterValue(uint32_t set, uint32_t reg, + const DNBRegisterValue *value); + virtual nub_size_t GetRegisterContext(void *buf, nub_size_t buf_len); + virtual nub_size_t SetRegisterContext(const void *buf, nub_size_t buf_len); + virtual uint32_t SaveRegisterState(); + virtual bool RestoreRegisterState(uint32_t save_id); + + 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 void ThreadWillResume(); + virtual bool ThreadDidStop(); + virtual bool NotifyException(MachException::Data &exc); + + virtual uint32_t NumSupportedHardwareWatchpoints(); + virtual uint32_t EnableHardwareWatchpoint(nub_addr_t addr, nub_size_t size, + bool read, bool write, + bool also_set_on_task); + virtual bool DisableHardwareWatchpoint(uint32_t hw_break_index, + bool also_set_on_task); + virtual uint32_t GetHardwareWatchpointHit(nub_addr_t &addr); protected: - kern_return_t EnableHardwareSingleStep (bool enable); - - typedef __i386_thread_state_t GPR; - typedef __i386_float_state_t FPU; - typedef __i386_exception_state_t EXC; - typedef __i386_avx_state_t AVX; - typedef __i386_debug_state_t DBG; - - static const DNBRegisterInfo g_gpr_registers[]; - static const DNBRegisterInfo g_fpu_registers_no_avx[]; - static const DNBRegisterInfo g_fpu_registers_avx[]; - static const DNBRegisterInfo g_exc_registers[]; - static const DNBRegisterSetInfo g_reg_sets_no_avx[]; - static const DNBRegisterSetInfo g_reg_sets_avx[]; - static const size_t k_num_gpr_registers; - static const size_t k_num_fpu_registers_no_avx; - static const size_t k_num_fpu_registers_avx; - static const size_t k_num_exc_registers; - static const size_t k_num_all_registers_no_avx; - static const size_t k_num_all_registers_avx; - static const size_t k_num_register_sets; - - typedef enum RegisterSetTag - { - e_regSetALL = REGISTER_SET_ALL, - e_regSetGPR, - e_regSetFPU, - e_regSetEXC, - e_regSetDBG, - kNumRegisterSets - } RegisterSet; - - typedef enum RegisterSetWordSizeTag - { - e_regSetWordSizeGPR = sizeof(GPR) / sizeof(int), - e_regSetWordSizeFPU = sizeof(FPU) / sizeof(int), - e_regSetWordSizeEXC = sizeof(EXC) / sizeof(int), - e_regSetWordSizeAVX = sizeof(AVX) / sizeof(int), - e_regSetWordSizeDBG = sizeof(DBG) / sizeof(int) - } RegisterSetWordSize; - - enum - { - Read = 0, - Write = 1, - kNumErrors = 2 - }; - - struct Context - { - GPR gpr; - union { - FPU no_avx; - AVX avx; - } fpu; - EXC exc; - DBG dbg; - }; - - struct State - { - Context context; - kern_return_t gpr_errs[2]; // Read/Write errors - kern_return_t fpu_errs[2]; // Read/Write errors - kern_return_t exc_errs[2]; // Read/Write errors - kern_return_t dbg_errs[2]; // Read/Write errors - - State() - { - uint32_t i; - for (i=0; i<kNumErrors; i++) - { - gpr_errs[i] = -1; - fpu_errs[i] = -1; - exc_errs[i] = -1; - dbg_errs[i] = -1; - } - } - void InvalidateAllRegisterStates() - { - SetError (e_regSetALL, Read, -1); - } - kern_return_t GetError (int flavor, uint32_t err_idx) const - { - if (err_idx < kNumErrors) - { - switch (flavor) - { - // 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] | - fpu_errs[err_idx] | - exc_errs[err_idx]; - case e_regSetGPR: return gpr_errs[err_idx]; - case e_regSetFPU: return fpu_errs[err_idx]; - case e_regSetEXC: return exc_errs[err_idx]; - case e_regSetDBG: return dbg_errs[err_idx]; - default: break; - } - } - return -1; - } - bool SetError (int flavor, uint32_t err_idx, kern_return_t err) - { - if (err_idx < kNumErrors) - { - switch (flavor) - { - case e_regSetALL: - gpr_errs[err_idx] = - fpu_errs[err_idx] = - exc_errs[err_idx] = - dbg_errs[err_idx] = err; - return true; - - case e_regSetGPR: - gpr_errs[err_idx] = err; - return true; - - case e_regSetFPU: - fpu_errs[err_idx] = err; - return true; - - case e_regSetEXC: - exc_errs[err_idx] = err; - return true; - - case e_regSetDBG: - dbg_errs[err_idx] = err; - return true; - - default: break; - } - } - return false; + kern_return_t EnableHardwareSingleStep(bool enable); + + typedef __i386_thread_state_t GPR; + typedef __i386_float_state_t FPU; + typedef __i386_exception_state_t EXC; + typedef __i386_avx_state_t AVX; + typedef __i386_debug_state_t DBG; + + static const DNBRegisterInfo g_gpr_registers[]; + static const DNBRegisterInfo g_fpu_registers_no_avx[]; + static const DNBRegisterInfo g_fpu_registers_avx[]; + static const DNBRegisterInfo g_exc_registers[]; + static const DNBRegisterSetInfo g_reg_sets_no_avx[]; + static const DNBRegisterSetInfo g_reg_sets_avx[]; + static const size_t k_num_gpr_registers; + static const size_t k_num_fpu_registers_no_avx; + static const size_t k_num_fpu_registers_avx; + static const size_t k_num_exc_registers; + static const size_t k_num_all_registers_no_avx; + static const size_t k_num_all_registers_avx; + static const size_t k_num_register_sets; + + typedef enum RegisterSetTag { + e_regSetALL = REGISTER_SET_ALL, + e_regSetGPR, + e_regSetFPU, + e_regSetEXC, + e_regSetDBG, + kNumRegisterSets + } RegisterSet; + + typedef enum RegisterSetWordSizeTag { + e_regSetWordSizeGPR = sizeof(GPR) / sizeof(int), + e_regSetWordSizeFPU = sizeof(FPU) / sizeof(int), + e_regSetWordSizeEXC = sizeof(EXC) / sizeof(int), + e_regSetWordSizeAVX = sizeof(AVX) / sizeof(int), + e_regSetWordSizeDBG = sizeof(DBG) / sizeof(int) + } RegisterSetWordSize; + + enum { Read = 0, Write = 1, kNumErrors = 2 }; + + struct Context { + GPR gpr; + union { + FPU no_avx; + AVX avx; + } fpu; + EXC exc; + DBG dbg; + }; + + struct State { + Context context; + kern_return_t gpr_errs[2]; // Read/Write errors + kern_return_t fpu_errs[2]; // Read/Write errors + kern_return_t exc_errs[2]; // Read/Write errors + kern_return_t dbg_errs[2]; // Read/Write errors + + State() { + uint32_t i; + for (i = 0; i < kNumErrors; i++) { + gpr_errs[i] = -1; + fpu_errs[i] = -1; + exc_errs[i] = -1; + dbg_errs[i] = -1; + } + } + void InvalidateAllRegisterStates() { SetError(e_regSetALL, Read, -1); } + kern_return_t GetError(int flavor, uint32_t err_idx) const { + if (err_idx < kNumErrors) { + switch (flavor) { + // 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] | fpu_errs[err_idx] | exc_errs[err_idx]; + case e_regSetGPR: + return gpr_errs[err_idx]; + case e_regSetFPU: + return fpu_errs[err_idx]; + case e_regSetEXC: + return exc_errs[err_idx]; + case e_regSetDBG: + return dbg_errs[err_idx]; + default: + break; } - bool RegsAreValid (int flavor) const - { - return GetError(flavor, Read) == KERN_SUCCESS; + } + return -1; + } + bool SetError(int flavor, uint32_t err_idx, kern_return_t err) { + if (err_idx < kNumErrors) { + switch (flavor) { + case e_regSetALL: + gpr_errs[err_idx] = fpu_errs[err_idx] = exc_errs[err_idx] = + dbg_errs[err_idx] = err; + return true; + + case e_regSetGPR: + gpr_errs[err_idx] = err; + return true; + + case e_regSetFPU: + fpu_errs[err_idx] = err; + return true; + + case e_regSetEXC: + exc_errs[err_idx] = err; + return true; + + case e_regSetDBG: + dbg_errs[err_idx] = err; + return true; + + default: + break; } - }; - - kern_return_t GetGPRState (bool force); - kern_return_t GetFPUState (bool force); - kern_return_t GetEXCState (bool force); - kern_return_t GetDBGState (bool force); - - kern_return_t SetGPRState (); - kern_return_t SetFPUState (); - kern_return_t SetEXCState (); - kern_return_t SetDBGState (bool also_set_on_task); - - static DNBArchProtocol * - Create (MachThread *thread); - - static const uint8_t * - SoftwareBreakpointOpcode (nub_size_t byte_size); - - static const DNBRegisterSetInfo * - GetRegisterSetInfo(nub_size_t *num_reg_sets); - - static uint32_t - GetRegisterContextSize(); - - // Helper functions for watchpoint manipulations. - static void SetWatchpoint(DBG &debug_state, uint32_t hw_index, nub_addr_t addr, nub_size_t size, bool read, bool write); - static void ClearWatchpoint(DBG &debug_state, uint32_t hw_index); - static bool IsWatchpointVacant(const DBG &debug_state, uint32_t hw_index); - static void ClearWatchpointHits(DBG &debug_state); - static bool IsWatchpointHit(const DBG &debug_state, uint32_t hw_index); - static nub_addr_t GetWatchAddress(const DBG &debug_state, uint32_t hw_index); - - virtual bool StartTransForHWP(); - virtual bool RollbackTransForHWP(); - virtual bool FinishTransForHWP(); - DBG GetDBGCheckpoint(); - - MachThread *m_thread; - State m_state; - DBG m_2pc_dbg_checkpoint; - uint32_t m_2pc_trans_state; // Is transaction of DBG state change: Pedning (0), Done (1), or Rolled Back (2)? - typedef std::map<uint32_t, Context> SaveRegisterStates; - SaveRegisterStates m_saved_register_states; + } + return false; + } + bool RegsAreValid(int flavor) const { + return GetError(flavor, Read) == KERN_SUCCESS; + } + }; + + kern_return_t GetGPRState(bool force); + kern_return_t GetFPUState(bool force); + kern_return_t GetEXCState(bool force); + kern_return_t GetDBGState(bool force); + + kern_return_t SetGPRState(); + kern_return_t SetFPUState(); + kern_return_t SetEXCState(); + kern_return_t SetDBGState(bool also_set_on_task); + + static DNBArchProtocol *Create(MachThread *thread); + + static const uint8_t *SoftwareBreakpointOpcode(nub_size_t byte_size); + + static const DNBRegisterSetInfo *GetRegisterSetInfo(nub_size_t *num_reg_sets); + + static uint32_t GetRegisterContextSize(); + + // Helper functions for watchpoint manipulations. + static void SetWatchpoint(DBG &debug_state, uint32_t hw_index, + nub_addr_t addr, nub_size_t size, bool read, + bool write); + static void ClearWatchpoint(DBG &debug_state, uint32_t hw_index); + static bool IsWatchpointVacant(const DBG &debug_state, uint32_t hw_index); + static void ClearWatchpointHits(DBG &debug_state); + static bool IsWatchpointHit(const DBG &debug_state, uint32_t hw_index); + static nub_addr_t GetWatchAddress(const DBG &debug_state, uint32_t hw_index); + + virtual bool StartTransForHWP(); + virtual bool RollbackTransForHWP(); + virtual bool FinishTransForHWP(); + DBG GetDBGCheckpoint(); + + MachThread *m_thread; + State m_state; + DBG m_2pc_dbg_checkpoint; + uint32_t m_2pc_trans_state; // Is transaction of DBG state change: Pedning + // (0), Done (1), or Rolled Back (2)? + typedef std::map<uint32_t, Context> SaveRegisterStates; + SaveRegisterStates m_saved_register_states; }; -#endif // #if defined (__i386__) || defined (__x86_64__) -#endif // #ifndef __DNBArchImplI386_h__ +#endif // #if defined (__i386__) || defined (__x86_64__) +#endif // #ifndef __DNBArchImplI386_h__ |
