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Diffstat (limited to 'source/Plugins/Process/Utility/RegisterContextDarwin_x86_64.h')
-rw-r--r-- | source/Plugins/Process/Utility/RegisterContextDarwin_x86_64.h | 274 |
1 files changed, 274 insertions, 0 deletions
diff --git a/source/Plugins/Process/Utility/RegisterContextDarwin_x86_64.h b/source/Plugins/Process/Utility/RegisterContextDarwin_x86_64.h new file mode 100644 index 000000000000..4b8127af997c --- /dev/null +++ b/source/Plugins/Process/Utility/RegisterContextDarwin_x86_64.h @@ -0,0 +1,274 @@ +//===-- RegisterContextDarwin_x86_64.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_x86_64_h_ +#define liblldb_RegisterContextDarwin_x86_64_h_ + +// C Includes +// C++ Includes +// Other libraries and framework includes +// Project includes +#include "lldb/lldb-private.h" +#include "lldb/Target/RegisterContext.h" + +class RegisterContextDarwin_x86_64 : public lldb_private::RegisterContext +{ +public: + RegisterContextDarwin_x86_64 (lldb_private::Thread &thread, + uint32_t concrete_frame_idx); + + virtual + ~RegisterContextDarwin_x86_64(); + + virtual void + InvalidateAllRegisters (); + + virtual size_t + GetRegisterCount (); + + virtual const lldb_private::RegisterInfo * + GetRegisterInfoAtIndex (size_t reg); + + virtual size_t + GetRegisterSetCount (); + + virtual const lldb_private::RegisterSet * + GetRegisterSet (size_t set); + + virtual bool + ReadRegister (const lldb_private::RegisterInfo *reg_info, lldb_private::RegisterValue &value); + + virtual bool + WriteRegister (const lldb_private::RegisterInfo *reg_info, const lldb_private::RegisterValue &value); + + virtual bool + ReadAllRegisterValues (lldb::DataBufferSP &data_sp); + + 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 + { + uint64_t rax; + uint64_t rbx; + uint64_t rcx; + uint64_t rdx; + uint64_t rdi; + uint64_t rsi; + uint64_t rbp; + uint64_t rsp; + uint64_t r8; + uint64_t r9; + uint64_t r10; + uint64_t r11; + uint64_t r12; + uint64_t r13; + uint64_t r14; + uint64_t r15; + uint64_t rip; + uint64_t rflags; + uint64_t cs; + uint64_t fs; + uint64_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; // "fctrl" + uint16_t fsw; // "fstat" + uint8_t ftw; // "ftag" + uint8_t pad1; + uint16_t fop; // "fop" + uint32_t ip; // "fioff" + uint16_t cs; // "fiseg" + uint16_t pad2; + uint32_t dp; // "fooff" + uint16_t ds; // "foseg" + uint16_t pad3; + uint32_t mxcsr; + uint32_t mxcsrmask; + MMSReg stmm[8]; + XMMReg xmm[16]; + uint8_t pad4[6*16]; + int pad5; + }; + + struct EXC + { + uint32_t trapno; + uint32_t err; + uint64_t faultvaddr; + }; + +protected: + + enum + { + GPRRegSet = 4, + FPURegSet = 5, + EXCRegSet = 6 + }; + + 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 *format, ...); + + 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_x86_64_h_ |