//---------------------------------------------------------------------------- // // X86 machine implementation. // // Copyright (C) Microsoft Corporation, 2000-2001. // //---------------------------------------------------------------------------- #ifndef __I386_MACH_HPP__ #define __I386_MACH_HPP__ // // NOTE: Be very careful when using machine-specific header files // such as nt.h. The machine implementation class is // compiled for all platforms so the nt.h file will be the // one for the build platform, not necessarily the platform // of the machine implementation. ntdbg.h contains many cross-platform // types and definitions that can be used to avoid problems. // //---------------------------------------------------------------------------- // // X86 instruction support exists on many different processors. // BaseX86MachineInfo contains implementations of MachineInfo // methods that apply to all machines supporting X86 instructions. // //---------------------------------------------------------------------------- #define X86_MAX_INSTRUCTION_LEN 16 #define X86_INT3_LEN 1 class BaseX86MachineInfo : public MachineInfo { public: // MachineInfo. virtual void Assemble(PADDR Addr, PSTR Input); virtual BOOL Disassemble(PADDR Addr, PSTR Buffer, BOOL EffAddr); virtual BOOL IsBreakpointInstruction(PADDR Addr); virtual HRESULT InsertBreakpointInstruction(PUSER_DEBUG_SERVICES Services, ULONG64 Process, ULONG64 Offset, PUCHAR SaveInstr, PULONG64 ChangeStart, PULONG ChangeLen); virtual HRESULT RemoveBreakpointInstruction(PUSER_DEBUG_SERVICES Services, ULONG64 Process, ULONG64 Offset, PUCHAR SaveInstr, PULONG64 ChangeStart, PULONG ChangeLen); virtual void AdjustPCPastBreakpointInstruction(PADDR Addr, ULONG BreakType); virtual BOOL IsCallDisasm(PCSTR Disasm); virtual BOOL IsReturnDisasm(PCSTR Disasm); virtual BOOL IsSystemCallDisasm(PCSTR Disasm); virtual BOOL IsDelayInstruction(PADDR Addr); virtual void GetEffectiveAddr(PADDR Addr); virtual void GetNextOffset(BOOL StepOver, PADDR NextAddr, PULONG NextMachine); virtual void IncrementBySmallestInstruction(PADDR Addr); virtual void DecrementBySmallestInstruction(PADDR Addr); // BaseX86MachineInfo. protected: ULONG GetMmxRegOffset(ULONG Index, ULONG Fpsw) { // The FP register area where the MMX registers are // aliased onto is stored out relative to the stack top. MMX // register assignments are fixed, though, so we need to // take into account the current FP stack top to correctly // determine which slot corresponds to which MMX // register. return (Index - (Fpsw >> 11)) & 7; } void DIdoModrm(char **, int, BOOL); void OutputSymbol(char **, PUCHAR, int, int); BOOL OutputExactSymbol(char **, PUCHAR, int, int); ULONG GetSegReg(int SegOpcode); int ComputeJccEa(int Opcode, BOOL EaOut); }; //---------------------------------------------------------------------------- // // X86MachineInfo is the MachineInfo implementation specific // to a true X86 processor. // //---------------------------------------------------------------------------- extern BOOL g_X86InCode16; extern BOOL g_X86InVm86; class X86MachineInfo : public BaseX86MachineInfo { public: // MachineInfo. virtual HRESULT InitializeConstants(void); virtual HRESULT InitializeForTarget(void); virtual HRESULT InitializeForProcessor(void); virtual void InitializeContext (ULONG64 Pc, PDBGKD_ANY_CONTROL_REPORT ControlReport); virtual HRESULT KdGetContextState(ULONG State); virtual HRESULT KdSetContext(void); virtual HRESULT ConvertContextFrom(PCROSS_PLATFORM_CONTEXT Context, ULONG FromSver, ULONG FromSize, PVOID From); virtual HRESULT ConvertContextTo(PCROSS_PLATFORM_CONTEXT Context, ULONG ToSver, ULONG ToSize, PVOID To); virtual void InitializeContextFlags(PCROSS_PLATFORM_CONTEXT Context, ULONG Version); virtual HRESULT GetContextFromThreadStack(ULONG64 ThreadBase, PCROSS_PLATFORM_THREAD Thread, PCROSS_PLATFORM_CONTEXT Context, PDEBUG_STACK_FRAME Frame, PULONG RunningOnProc); virtual HRESULT GetExdiContext(IUnknown* Exdi, PEXDI_CONTEXT Context); virtual HRESULT SetExdiContext(IUnknown* Exdi, PEXDI_CONTEXT Context); virtual void ConvertExdiContextFromContext(PCROSS_PLATFORM_CONTEXT Context, PEXDI_CONTEXT ExdiContext); virtual void ConvertExdiContextToContext(PEXDI_CONTEXT ExdiContext, PCROSS_PLATFORM_CONTEXT Context); virtual void ConvertExdiContextToSegDescs(PEXDI_CONTEXT ExdiContext, ULONG Start, ULONG Count, PDESCRIPTOR64 Descs); virtual void ConvertExdiContextFromSpecial (PCROSS_PLATFORM_KSPECIAL_REGISTERS Special, PEXDI_CONTEXT ExdiContext); virtual void ConvertExdiContextToSpecial (PEXDI_CONTEXT ExdiContext, PCROSS_PLATFORM_KSPECIAL_REGISTERS Special); virtual int GetType(ULONG index); virtual BOOL GetVal(ULONG index, REGVAL *val); virtual BOOL SetVal(ULONG index, REGVAL *val); virtual void GetPC(PADDR Address); virtual void SetPC(PADDR Address); virtual void GetFP(PADDR Address); virtual void GetSP(PADDR Address); virtual ULONG64 GetArgReg(void); virtual ULONG GetSegRegNum(ULONG SegReg); virtual HRESULT GetSegRegDescriptor(ULONG SegReg, PDESCRIPTOR64 Desc); virtual void OutputAll(ULONG Mask, ULONG OutMask); virtual TRACEMODE GetTraceMode(void); virtual void SetTraceMode(TRACEMODE Mode); virtual BOOL IsStepStatusSupported(ULONG Status); virtual void KdUpdateControlSet (PDBGKD_ANY_CONTROL_SET ControlSet); virtual void KdSaveProcessorState(void); virtual void KdRestoreProcessorState(void); virtual ULONG ExecutingMachine(void); virtual HRESULT SetPageDirectory(ULONG Idx, ULONG64 PageDir, PULONG NextIdx); virtual HRESULT GetVirtualTranslationPhysicalOffsets (ULONG64 Virt, PULONG64 Offsets, ULONG OffsetsSize, PULONG Levels, PULONG PfIndex, PULONG64 LastVal); virtual HRESULT GetBaseTranslationVirtualOffset(PULONG64 Offset); virtual HRESULT NewBreakpoint(DebugClient* Client, ULONG Type, ULONG Id, Breakpoint** RetBp); virtual void InsertAllDataBreakpoints(void); virtual void RemoveAllDataBreakpoints(void); virtual ULONG IsBreakpointOrStepException(PEXCEPTION_RECORD64 Record, ULONG FirstChance, PADDR BpAddr, PADDR RelAddr); virtual BOOL DisplayTrapFrame(ULONG64 FrameAddress, PCROSS_PLATFORM_CONTEXT Context); virtual void ValidateCxr(PCROSS_PLATFORM_CONTEXT Context); HRESULT DumpTSS(void); virtual void PrintStackFrameAddressesTitle(ULONG Flags); virtual void PrintStackFrameAddresses(ULONG Flags, PDEBUG_STACK_FRAME StackFrame); virtual void PrintStackArgumentsTitle(ULONG Flags); virtual void PrintStackArguments(ULONG Flags, PDEBUG_STACK_FRAME StackFrame); virtual void PrintStackCallSiteTitle(ULONG Flags); virtual void PrintStackCallSite(ULONG Flags, PDEBUG_STACK_FRAME StackFrame, CHAR SymBuf[], DWORD64 Displacement, USHORT StdCallArgs); virtual void OutputFunctionEntry(PVOID RawEntry); virtual HRESULT ReadKernelProcessorId (ULONG Processor, PDEBUG_PROCESSOR_IDENTIFICATION_ALL Id); // X86MachineInfo. protected: X86_KSPECIAL_REGISTERS m_SpecialRegContext, m_SavedSpecialRegContext; BOOL m_SupportsBranchTrace; void KdGetSpecialRegistersFromContext(void); void KdSetSpecialRegistersInContext(void); ULONG GetIntReg(ULONG regnum); PULONG64 GetMmxRegSlot(ULONG regnum); void GetMmxReg(ULONG regnum, REGVAL *val); void GetFloatReg(ULONG regnum, REGVAL *val); ULONG64 Selector2Address(USHORT TaskRegister); }; extern X86MachineInfo g_X86Machine; // // X86 register names that are reused in other places. // extern char g_Gs[]; extern char g_Fs[]; extern char g_Es[]; extern char g_Ds[]; extern char g_Edi[]; extern char g_Esi[]; extern char g_Ebx[]; extern char g_Edx[]; extern char g_Ecx[]; extern char g_Eax[]; extern char g_Ebp[]; extern char g_Eip[]; extern char g_Cs[]; extern char g_Efl[]; extern char g_Esp[]; extern char g_Ss[]; extern char g_Dr0[]; extern char g_Dr1[]; extern char g_Dr2[]; extern char g_Dr3[]; extern char g_Dr6[]; extern char g_Dr7[]; extern char g_Cr0[]; extern char g_Cr2[]; extern char g_Cr3[]; extern char g_Cr4[]; extern char g_Gdtr[]; extern char g_Gdtl[]; extern char g_Idtr[]; extern char g_Idtl[]; extern char g_Tr[]; extern char g_Ldtr[]; extern char g_Di[]; extern char g_Si[]; extern char g_Bx[]; extern char g_Dx[]; extern char g_Cx[]; extern char g_Ax[]; extern char g_Bp[]; extern char g_Ip[]; extern char g_Fl[]; extern char g_Sp[]; extern char g_Bl[]; extern char g_Dl[]; extern char g_Cl[]; extern char g_Al[]; extern char g_Bh[]; extern char g_Dh[]; extern char g_Ch[]; extern char g_Ah[]; extern char g_Iopl[]; extern char g_Of[]; extern char g_Df[]; extern char g_If[]; extern char g_Tf[]; extern char g_Sf[]; extern char g_Zf[]; extern char g_Af[]; extern char g_Pf[]; extern char g_Cf[]; extern char g_Vip[]; extern char g_Vif[]; extern char g_Fpcw[]; extern char g_Fpsw[]; extern char g_Fptw[]; extern char g_St0[]; extern char g_St1[]; extern char g_St2[]; extern char g_St3[]; extern char g_St4[]; extern char g_St5[]; extern char g_St6[]; extern char g_St7[]; extern char g_Mm0[]; extern char g_Mm1[]; extern char g_Mm2[]; extern char g_Mm3[]; extern char g_Mm4[]; extern char g_Mm5[]; extern char g_Mm6[]; extern char g_Mm7[]; extern char g_Mxcsr[]; extern char g_Xmm0[]; extern char g_Xmm1[]; extern char g_Xmm2[]; extern char g_Xmm3[]; extern char g_Xmm4[]; extern char g_Xmm5[]; extern char g_Xmm6[]; extern char g_Xmm7[]; //---------------------------------------------------------------------------- // // This class handles the case of X86 instructions executing natively // on an IA64 processor. It operates just as the X86 machine does // except that: // Context state is retrieved and set through the // IA64 register state as defined in the X86-on-IA64 support. // // Implementation is in the IA64 code. // //---------------------------------------------------------------------------- class X86OnIa64MachineInfo : public X86MachineInfo { public: virtual HRESULT InitializeForProcessor(void); virtual HRESULT UdGetContextState(ULONG State); virtual HRESULT UdSetContext(void); virtual HRESULT KdGetContextState(ULONG State); virtual HRESULT KdSetContext(void); virtual HRESULT GetSegRegDescriptor(ULONG SegReg, PDESCRIPTOR64 Desc); virtual HRESULT NewBreakpoint(DebugClient* Client, ULONG Type, ULONG Id, Breakpoint** RetBp); virtual void InsertAllDataBreakpoints(void); virtual void RemoveAllDataBreakpoints(void); virtual ULONG IsBreakpointOrStepException(PEXCEPTION_RECORD64 Record, ULONG FirstChance, PADDR BpAddr, PADDR RelAddr); private: void X86ContextToIa64(PX86_NT5_CONTEXT X86Context, PIA64_CONTEXT Ia64Context); void Ia64ContextToX86(PIA64_CONTEXT Ia64Context, PX86_NT5_CONTEXT X86Context); }; extern X86OnIa64MachineInfo g_X86OnIa64Machine; #endif // #ifndef __I386_MACH_HPP__