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//----------------------------------------------------------------------------
//
// 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<plat>.h. The machine implementation class is
// compiled for all platforms so the nt<plat>.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__
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