| //===-- RegisterContextMach_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_RegisterContextMach_i386_h_ |
| #define liblldb_RegisterContextMach_i386_h_ |
| |
| // C Includes |
| // C++ Includes |
| // Other libraries and framework includes |
| // Project includes |
| #include "lldb/lldb-private.h" |
| #include "lldb/Target/RegisterContext.h" |
| |
| class RegisterContextMach_i386 : public lldb_private::RegisterContext |
| { |
| public: |
| |
| RegisterContextMach_i386(lldb_private::Thread &thread, |
| lldb_private::StackFrame *frame); |
| |
| virtual |
| ~RegisterContextMach_i386(); |
| |
| virtual void |
| Invalidate (); |
| |
| virtual size_t |
| GetRegisterCount (); |
| |
| virtual const lldb::RegisterInfo * |
| GetRegisterInfoAtIndex (uint32_t reg); |
| |
| virtual size_t |
| GetRegisterSetCount (); |
| |
| virtual const lldb::RegisterSet * |
| GetRegisterSet (uint32_t set); |
| |
| virtual bool |
| ReadRegisterValue (uint32_t reg, lldb_private::Scalar &value); |
| |
| virtual bool |
| ReadRegisterBytes (uint32_t reg, lldb_private::DataExtractor &data); |
| |
| virtual bool |
| ReadAllRegisterValues (lldb::DataBufferSP &data_sp); |
| |
| virtual bool |
| WriteRegisterValue (uint32_t reg, const lldb_private::Scalar &value); |
| |
| virtual bool |
| WriteRegisterBytes (uint32_t reg, lldb_private::DataExtractor &data, uint32_t data_offset = 0); |
| |
| virtual bool |
| WriteAllRegisterValues (const lldb::DataBufferSP &data_sp); |
| |
| virtual uint32_t |
| ConvertRegisterKindToRegisterNumber (uint32_t kind, uint32_t num); |
| |
| virtual bool |
| HardwareSingleStep (bool enable); |
| |
| 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; |
| 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 |
| |
| void |
| InvalidateAllRegisterStates() |
| { |
| SetError (GPRRegSet, Read, -1); |
| SetError (FPURegSet, Read, -1); |
| SetError (EXCRegSet, 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 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, kern_return_t 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) == KERN_SUCCESS; |
| } |
| |
| void |
| LogGPR (lldb_private::Log *log, const char *title); |
| |
| kern_return_t |
| ReadGPR (bool force); |
| |
| kern_return_t |
| ReadFPU (bool force); |
| |
| kern_return_t |
| ReadEXC (bool force); |
| |
| kern_return_t |
| WriteGPR (); |
| |
| kern_return_t |
| WriteFPU (); |
| |
| kern_return_t |
| WriteEXC (); |
| |
| kern_return_t |
| ReadRegisterSet (uint32_t set, bool force); |
| |
| kern_return_t |
| 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::RegisterInfo * |
| GetRegisterInfos (); |
| }; |
| |
| #endif // liblldb_RegisterContextMach_i386_h_ |