| //===-- RegisterContextDarwin_i386.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_RegisterContextDarwin_i386_h_ |
| #define liblldb_RegisterContextDarwin_i386_h_ |
| |
| // C Includes |
| // C++ Includes |
| // Other libraries and framework includes |
| // Project includes |
| #include "lldb/Target/RegisterContext.h" |
| #include "lldb/lldb-private.h" |
| |
| class RegisterContextDarwin_i386 : public lldb_private::RegisterContext { |
| public: |
| RegisterContextDarwin_i386(lldb_private::Thread &thread, |
| uint32_t concrete_frame_idx); |
| |
| ~RegisterContextDarwin_i386() override; |
| |
| void InvalidateAllRegisters() override; |
| |
| size_t GetRegisterCount() override; |
| |
| const lldb_private::RegisterInfo *GetRegisterInfoAtIndex(size_t reg) override; |
| |
| size_t GetRegisterSetCount() override; |
| |
| const lldb_private::RegisterSet *GetRegisterSet(size_t set) override; |
| |
| bool ReadRegister(const lldb_private::RegisterInfo *reg_info, |
| lldb_private::RegisterValue &value) override; |
| |
| bool WriteRegister(const lldb_private::RegisterInfo *reg_info, |
| const lldb_private::RegisterValue &value) override; |
| |
| bool ReadAllRegisterValues(lldb::DataBufferSP &data_sp) override; |
| |
| bool WriteAllRegisterValues(const lldb::DataBufferSP &data_sp) override; |
| |
| uint32_t ConvertRegisterKindToRegisterNumber(lldb::RegisterKind kind, |
| uint32_t num) override; |
| |
| bool HardwareSingleStep(bool enable) override; |
| |
| struct GPR { |
| uint32_t eax; |
| uint32_t ebx; |
| uint32_t ecx; |
| uint32_t edx; |
| uint32_t edi; |
| uint32_t esi; |
| uint32_t ebp; |
| uint32_t esp; |
| uint32_t ss; |
| uint32_t eflags; |
| uint32_t eip; |
| uint32_t cs; |
| uint32_t ds; |
| uint32_t es; |
| uint32_t fs; |
| uint32_t gs; |
| }; |
| |
| struct MMSReg { |
| uint8_t bytes[10]; |
| uint8_t pad[6]; |
| }; |
| |
| struct XMMReg { |
| uint8_t bytes[16]; |
| }; |
| |
| struct FPU { |
| uint32_t pad[2]; |
| uint16_t fcw; |
| uint16_t fsw; |
| uint8_t ftw; |
| uint8_t pad1; |
| uint16_t fop; |
| uint32_t ip; |
| uint16_t cs; |
| uint16_t pad2; |
| uint32_t dp; |
| uint16_t ds; |
| uint16_t pad3; |
| uint32_t mxcsr; |
| uint32_t mxcsrmask; |
| MMSReg stmm[8]; |
| XMMReg xmm[8]; |
| uint8_t pad4[14 * 16]; |
| int pad5; |
| }; |
| |
| struct EXC { |
| uint32_t trapno; |
| uint32_t err; |
| uint32_t faultvaddr; |
| }; |
| |
| protected: |
| enum { GPRRegSet = 1, FPURegSet = 2, EXCRegSet = 3 }; |
| |
| enum { |
| GPRWordCount = sizeof(GPR) / sizeof(uint32_t), |
| FPUWordCount = sizeof(FPU) / sizeof(uint32_t), |
| EXCWordCount = sizeof(EXC) / sizeof(uint32_t) |
| }; |
| |
| enum { Read = 0, Write = 1, kNumErrors = 2 }; |
| |
| GPR gpr; |
| FPU fpu; |
| EXC exc; |
| int gpr_errs[2]; // Read/Write errors |
| int fpu_errs[2]; // Read/Write errors |
| int exc_errs[2]; // Read/Write errors |
| |
| void InvalidateAllRegisterStates() { |
| SetError(GPRRegSet, Read, -1); |
| SetError(FPURegSet, Read, -1); |
| SetError(EXCRegSet, Read, -1); |
| } |
| |
| int 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 GPRRegSet: |
| return gpr_errs[err_idx]; |
| case FPURegSet: |
| return fpu_errs[err_idx]; |
| case EXCRegSet: |
| return exc_errs[err_idx]; |
| default: |
| break; |
| } |
| } |
| return -1; |
| } |
| |
| bool SetError(int flavor, uint32_t err_idx, int err) { |
| if (err_idx < kNumErrors) { |
| switch (flavor) { |
| case GPRRegSet: |
| gpr_errs[err_idx] = err; |
| return true; |
| |
| case FPURegSet: |
| fpu_errs[err_idx] = err; |
| return true; |
| |
| case EXCRegSet: |
| exc_errs[err_idx] = err; |
| return true; |
| |
| default: |
| break; |
| } |
| } |
| return false; |
| } |
| |
| bool RegisterSetIsCached(int set) const { return GetError(set, Read) == 0; } |
| |
| void LogGPR(lldb_private::Log *log, const char *title); |
| |
| int ReadGPR(bool force); |
| |
| int ReadFPU(bool force); |
| |
| int ReadEXC(bool force); |
| |
| int WriteGPR(); |
| |
| int WriteFPU(); |
| |
| int WriteEXC(); |
| |
| // Subclasses override these to do the actual reading. |
| virtual int DoReadGPR(lldb::tid_t tid, int flavor, GPR &gpr) = 0; |
| |
| virtual int DoReadFPU(lldb::tid_t tid, int flavor, FPU &fpu) = 0; |
| |
| virtual int DoReadEXC(lldb::tid_t tid, int flavor, EXC &exc) = 0; |
| |
| virtual int DoWriteGPR(lldb::tid_t tid, int flavor, const GPR &gpr) = 0; |
| |
| virtual int DoWriteFPU(lldb::tid_t tid, int flavor, const FPU &fpu) = 0; |
| |
| virtual int DoWriteEXC(lldb::tid_t tid, int flavor, const EXC &exc) = 0; |
| |
| int ReadRegisterSet(uint32_t set, bool force); |
| |
| int WriteRegisterSet(uint32_t set); |
| |
| static uint32_t GetRegisterNumber(uint32_t reg_kind, uint32_t reg_num); |
| |
| static int GetSetForNativeRegNum(int reg_num); |
| |
| static size_t GetRegisterInfosCount(); |
| |
| static const lldb_private::RegisterInfo *GetRegisterInfos(); |
| }; |
| |
| #endif // liblldb_RegisterContextDarwin_i386_h_ |