275 lines
6.0 KiB
C++
275 lines
6.0 KiB
C++
//===-- RegisterContextDarwin_x86_64.h --------------------------*- C++ -*-===//
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//
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// The LLVM Compiler Infrastructure
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//
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// This file is distributed under the University of Illinois Open Source
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// License. See LICENSE.TXT for details.
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//
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//===----------------------------------------------------------------------===//
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#ifndef liblldb_RegisterContextDarwin_x86_64_h_
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#define liblldb_RegisterContextDarwin_x86_64_h_
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// C Includes
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// C++ Includes
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// Other libraries and framework includes
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// Project includes
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#include "lldb/lldb-private.h"
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#include "lldb/Target/RegisterContext.h"
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class RegisterContextDarwin_x86_64 : public lldb_private::RegisterContext
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{
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public:
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RegisterContextDarwin_x86_64 (lldb_private::Thread &thread,
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uint32_t concrete_frame_idx);
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virtual
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~RegisterContextDarwin_x86_64();
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virtual void
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InvalidateAllRegisters ();
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virtual size_t
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GetRegisterCount ();
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virtual const lldb_private::RegisterInfo *
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GetRegisterInfoAtIndex (size_t reg);
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virtual size_t
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GetRegisterSetCount ();
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virtual const lldb_private::RegisterSet *
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GetRegisterSet (size_t set);
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virtual bool
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ReadRegister (const lldb_private::RegisterInfo *reg_info, lldb_private::RegisterValue &value);
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virtual bool
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WriteRegister (const lldb_private::RegisterInfo *reg_info, const lldb_private::RegisterValue &value);
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virtual bool
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ReadAllRegisterValues (lldb::DataBufferSP &data_sp);
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virtual bool
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WriteAllRegisterValues (const lldb::DataBufferSP &data_sp);
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virtual uint32_t
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ConvertRegisterKindToRegisterNumber (uint32_t kind, uint32_t num);
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virtual bool
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HardwareSingleStep (bool enable);
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struct GPR
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{
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uint64_t rax;
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uint64_t rbx;
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uint64_t rcx;
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uint64_t rdx;
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uint64_t rdi;
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uint64_t rsi;
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uint64_t rbp;
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uint64_t rsp;
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uint64_t r8;
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uint64_t r9;
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uint64_t r10;
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uint64_t r11;
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uint64_t r12;
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uint64_t r13;
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uint64_t r14;
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uint64_t r15;
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uint64_t rip;
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uint64_t rflags;
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uint64_t cs;
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uint64_t fs;
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uint64_t gs;
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};
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struct MMSReg
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{
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uint8_t bytes[10];
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uint8_t pad[6];
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};
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struct XMMReg
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{
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uint8_t bytes[16];
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};
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struct FPU
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{
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uint32_t pad[2];
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uint16_t fcw; // "fctrl"
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uint16_t fsw; // "fstat"
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uint8_t ftw; // "ftag"
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uint8_t pad1;
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uint16_t fop; // "fop"
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uint32_t ip; // "fioff"
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uint16_t cs; // "fiseg"
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uint16_t pad2;
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uint32_t dp; // "fooff"
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uint16_t ds; // "foseg"
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uint16_t pad3;
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uint32_t mxcsr;
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uint32_t mxcsrmask;
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MMSReg stmm[8];
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XMMReg xmm[16];
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uint8_t pad4[6*16];
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int pad5;
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};
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struct EXC
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{
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uint32_t trapno;
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uint32_t err;
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uint64_t faultvaddr;
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};
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protected:
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enum
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{
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GPRRegSet = 4,
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FPURegSet = 5,
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EXCRegSet = 6
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};
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enum
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{
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GPRWordCount = sizeof(GPR)/sizeof(uint32_t),
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FPUWordCount = sizeof(FPU)/sizeof(uint32_t),
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EXCWordCount = sizeof(EXC)/sizeof(uint32_t)
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};
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enum
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{
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Read = 0,
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Write = 1,
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kNumErrors = 2
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};
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GPR gpr;
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FPU fpu;
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EXC exc;
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int gpr_errs[2]; // Read/Write errors
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int fpu_errs[2]; // Read/Write errors
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int exc_errs[2]; // Read/Write errors
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void
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InvalidateAllRegisterStates()
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{
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SetError (GPRRegSet, Read, -1);
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SetError (FPURegSet, Read, -1);
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SetError (EXCRegSet, Read, -1);
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}
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int
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GetError (int flavor, uint32_t err_idx) const
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{
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if (err_idx < kNumErrors)
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{
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switch (flavor)
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{
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// When getting all errors, just OR all values together to see if
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// we got any kind of error.
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case GPRRegSet: return gpr_errs[err_idx];
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case FPURegSet: return fpu_errs[err_idx];
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case EXCRegSet: return exc_errs[err_idx];
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default: break;
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}
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}
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return -1;
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}
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bool
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SetError (int flavor, uint32_t err_idx, int err)
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{
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if (err_idx < kNumErrors)
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{
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switch (flavor)
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{
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case GPRRegSet:
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gpr_errs[err_idx] = err;
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return true;
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case FPURegSet:
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fpu_errs[err_idx] = err;
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return true;
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case EXCRegSet:
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exc_errs[err_idx] = err;
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return true;
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default: break;
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}
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}
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return false;
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}
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bool
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RegisterSetIsCached (int set) const
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{
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return GetError(set, Read) == 0;
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}
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void
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LogGPR (lldb_private::Log *log, const char *format, ...);
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int
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ReadGPR (bool force);
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int
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ReadFPU (bool force);
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int
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ReadEXC (bool force);
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int
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WriteGPR ();
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int
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WriteFPU ();
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int
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WriteEXC ();
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// Subclasses override these to do the actual reading.
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virtual int
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DoReadGPR (lldb::tid_t tid, int flavor, GPR &gpr) = 0;
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virtual int
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DoReadFPU (lldb::tid_t tid, int flavor, FPU &fpu) = 0;
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virtual int
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DoReadEXC (lldb::tid_t tid, int flavor, EXC &exc) = 0;
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virtual int
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DoWriteGPR (lldb::tid_t tid, int flavor, const GPR &gpr) = 0;
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virtual int
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DoWriteFPU (lldb::tid_t tid, int flavor, const FPU &fpu) = 0;
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virtual int
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DoWriteEXC (lldb::tid_t tid, int flavor, const EXC &exc) = 0;
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int
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ReadRegisterSet (uint32_t set, bool force);
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int
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WriteRegisterSet (uint32_t set);
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static uint32_t
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GetRegisterNumber (uint32_t reg_kind, uint32_t reg_num);
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static int
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GetSetForNativeRegNum (int reg_num);
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static size_t
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GetRegisterInfosCount ();
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static const lldb_private::RegisterInfo *
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GetRegisterInfos ();
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};
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#endif // liblldb_RegisterContextDarwin_x86_64_h_
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