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600 lines
23 KiB
600 lines
23 KiB
//----------------------------------------------------------------------------
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//
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// Abstraction of processor-specific information.
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//
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// Copyright (C) Microsoft Corporation, 1999-2001.
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//
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//----------------------------------------------------------------------------
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#ifndef __MACHINE_HPP__
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#define __MACHINE_HPP__
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// These context information states are intended to be shared among
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// processors so they may not all apply to each processor. The important
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// thing is that they are ordered from less information to more.
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// Each state includes all the information from the states that precede it.
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// More states can be inserted anywhere as new processors require them.
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#define MCTX_NONE 0 // No context information.
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#define MCTX_PC 1 // Program counter.
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#define MCTX_DR67_REPORT 2 // X86: DR6,7 control report.
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#define MCTX_REPORT 3 // Control report.
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#define MCTX_CONTEXT 4 // Kernel protocol context information.
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#define MCTX_FULL 5 // All possible information.
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#define MCTX_DIRTY 6 // Dirty context, implies full information.
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// Constant offset value returned from GetNextOffset to indicate the
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// trace flag should be used.
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#define OFFSET_TRACE ((ULONG64)(LONG64)-1)
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#define OFFSET_TRACE_32 ((ULONG)OFFSET_TRACE)
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// Distinguished error code for GetVirtualTranslationPhysicalOffsets
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// to indicate that all translations were successful but
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// the page was not present. In this case the LastVal value
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// will contain the page file offset and PfIndex will contain
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// the page file number.
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#define HR_PAGE_IN_PAGE_FILE HRESULT_FROM_NT(STATUS_PAGE_FAULT_PAGING_FILE)
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// Translation could not complete and a page file location
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// for the data could not be determined.
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#define HR_PAGE_NOT_AVAILABLE HRESULT_FROM_NT(STATUS_NO_PAGEFILE)
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#define MAX_PAGING_FILE_MASK 0xf
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//
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// Segment register access.
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// Processors which do not support segment registers return
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// zero for the segment register number.
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//
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enum
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{
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// Descriptor table pseudo-segments. The GDT does
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// not have a specific register number.
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// These pseudo-segments should be first so that
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// index zero is not used for a normal segreg.
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SEGREG_GDT,
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SEGREG_LDT,
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// Generic segments.
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SEGREG_CODE,
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SEGREG_DATA,
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SEGREG_STACK,
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// Extended segments.
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SEGREG_ES,
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SEGREG_FS,
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SEGREG_GS,
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SEGREG_COUNT
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};
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//
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// Segment descriptor values.
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// Due to the descriptor caching that x86 processors
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// do this may differ from the actual in-memory descriptor and
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// may be retrieved in a much different way.
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//
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// Special flags value that marks a descriptor as invalid.
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#define SEGDESC_INVALID 0xffffffff
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#define X86_DESC_TYPE(Flags) ((Flags) & 0x1f)
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#define X86_DESC_PRIVILEGE_SHIFT 5
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#define X86_DESC_PRIVILEGE(Flags) (((Flags) >> X86_DESC_PRIVILEGE_SHIFT) & 3)
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#define X86_DESC_PRESENT 0x80
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#define X86_DESC_LONG_MODE 0x200
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#define X86_DESC_DEFAULT_BIG 0x400
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#define X86_DESC_GRANULARITY 0x800
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typedef struct _DESCRIPTOR64
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{
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ULONG64 Base;
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ULONG64 Limit;
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ULONG Flags;
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} DESCRIPTOR64, *PDESCRIPTOR64;
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#define FORM_VM86 0x00000001
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#define FORM_CODE 0x00000002
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#define FORM_SEGREG 0x00000004
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#define X86_FORM_VM86(Efl) \
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(X86_IS_VM86(Efl) ? FORM_VM86 : 0)
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//----------------------------------------------------------------------------
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//
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// Abstract interface for machine information. All possible
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// machine-specific implementations of this interface exist at
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// all times. The effective implementation is selected when
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// SetEffMachine is called. For generic access the abstract
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// interface should be used. In machine-specific code the
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// specific implementation classes can be used.
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//
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// IMPORTANT: Be very careful when using machine-specific header files
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// such as nt<plat>.h. The machine implementation class is
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// compiled for all platforms so the nt<plat>.h file will be the
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// one for the build platform, not necessarily the platform
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// of the machine implementation. ntdbg.h contains many cross-platform
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// types and definitions that can be used to avoid problems.
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//
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//----------------------------------------------------------------------------
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extern BOOL g_PrefixSymbols;
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extern BOOL g_ContextChanged;
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extern DEBUG_PROCESSOR_IDENTIFICATION_ALL g_InitProcessorId;
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struct RegisterGroup
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{
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RegisterGroup* Next;
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// Counted automatically.
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ULONG NumberRegs;
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// Regs is assumed to be non-NULL in all groups.
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// SubRegs and AllExtraDesc may be NULL in any group.
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REGDEF* Regs;
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REGSUBDEF* SubRegs;
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REGALLDESC* AllExtraDesc;
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};
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// Trace modes used by SetTraceMode/GetTraceMode functions
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typedef enum
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{
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TRACE_NONE,
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TRACE_INSTRUCTION,
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TRACE_TAKEN_BRANCH
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} TRACEMODE;
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// These enumerants are abstract values but currently
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// only IA64 actually has different page directories
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// so set them up to match the IA64 mapping for convenience.
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enum
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{
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PAGE_DIR_USER,
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PAGE_DIR_SESSION,
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PAGE_DIR_KERNEL = 7,
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PAGE_DIR_COUNT
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};
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// For machines which only support a single page directory
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// take it from the kernel slot. All will be updated so
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// this is an arbitrary choice.
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#define PAGE_DIR_SINGLE PAGE_DIR_KERNEL
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// All directories bit mask.
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#define PAGE_DIR_ALL ((1 << PAGE_DIR_COUNT) - 1)
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// Flags for GetPrefixedSymbolOffset.
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#define GETPREF_VERBOSE 0x00000001
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class MachineInfo
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{
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public:
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// Descriptive information.
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PCSTR m_FullName;
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PCSTR m_AbbrevName;
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ULONG m_PageSize;
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ULONG m_PageShift;
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ULONG m_NumExecTypes;
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// First ExecTypes entry must be the actual processor type.
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PULONG m_ExecTypes;
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BOOL m_Ptr64;
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// Automatically counted from regs in base Initialize.
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ULONG m_NumberRegs;
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RegisterGroup* m_Groups;
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ULONG m_AllMask;
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// Collected automatically from groups.
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ULONG m_AllMaskBits;
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ULONG m_MaxDataBreakpoints;
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PCSTR m_SymPrefix;
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// Computed automatically.
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ULONG m_SymPrefixLen;
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// Hard-coded type information for machine and platform version.
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ULONG m_OffsetPrcbProcessorState;
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ULONG m_OffsetPrcbNumber;
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ULONG64 m_TriagePrcbOffset;
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ULONG m_SizePrcb;
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ULONG m_OffsetKThreadApcProcess;
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ULONG m_OffsetKThreadTeb;
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ULONG m_OffsetKThreadInitialStack;
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ULONG m_OffsetEprocessPeb;
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ULONG m_OffsetEprocessDirectoryTableBase;
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ULONG m_OffsetKThreadNextProcessor;
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// Size of the native context for the target machine.
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ULONG m_SizeTargetContext;
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// Offset of the flags ULONG in the native context.
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ULONG m_OffsetTargetContextFlags;
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// Control space offset for special registers.
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ULONG m_OffsetSpecialRegisters;
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// Size of the canonical context kept in the MachineInfo.
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ULONG m_SizeCanonicalContext;
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// System version of the canonical context. Can be compared
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// against g_SystemVersion to see if the target provides
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// canonical contexts or not.
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ULONG m_SverCanonicalContext;
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ULONG m_SizeControlReport;
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ULONG m_SizeEThread;
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ULONG m_SizeEProcess;
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ULONG m_SizeKspecialRegisters;
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// Size of the debugger's *_THREAD partial structure.
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ULONG m_SizePartialKThread;
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ULONG64 m_SharedUserDataOffset;
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// Context could be kept per-thread
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// so that several can be around at once for a cache.
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// That would also make the save/restore stuff unnecessary.
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ULONG m_ContextState;
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CROSS_PLATFORM_CONTEXT m_Context;
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// Segment register descriptors. These will only
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// be valid on processors that support them, otherwise
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// they will be marked invalid.
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DESCRIPTOR64 m_SegRegDesc[SEGREG_COUNT];
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DESCRIPTOR64 m_SavedSegRegDesc[SEGREG_COUNT];
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// Holds the current page directory offsets.
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ULONG64 m_PageDirectories[PAGE_DIR_COUNT];
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BOOL m_Translating;
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BOOL m_ContextIsReadOnly;
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// InitializeConstants initializes information which is
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// fixed and unaffected by the type of target being debugged.
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// InitializeForTarget initializes information which
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// varies according to the particular type of target being debugged.
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// InitializeForProcessor initializes information which
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// varies according to the particular type of processor that's
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// present in the target as described by g_InitProcessorId.
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// Derived classes should call base Initialize* after
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// their own initialization.
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virtual HRESULT InitializeConstants(void);
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virtual HRESULT InitializeForTarget(void);
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virtual HRESULT InitializeForProcessor(void);
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virtual void InitializeContext
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(ULONG64 Pc, PDBGKD_ANY_CONTROL_REPORT ControlReport) = 0;
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HRESULT GetContextState(ULONG State);
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HRESULT SetContext(void);
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// Base implementations use Get/SetThreadContext for
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// any request.
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virtual HRESULT UdGetContextState(ULONG State);
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virtual HRESULT UdSetContext(void);
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virtual HRESULT KdGetContextState(ULONG State) = 0;
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virtual HRESULT KdSetContext(void) = 0;
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// Base implementation sets ContextState to NONE.
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virtual void InvalidateContext(void);
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// Context conversion is version-based rather than size-based
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// as the size is ambiguous in certain cases. For example,
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// ALPHA_CONTEXT and ALPHA_NT5_CONTEXT are the same size
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// so additional information is necessary to distinguish them.
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virtual HRESULT ConvertContextFrom(PCROSS_PLATFORM_CONTEXT Context,
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ULONG FromSver,
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ULONG FromSize, PVOID From) = 0;
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virtual HRESULT ConvertContextTo(PCROSS_PLATFORM_CONTEXT Context,
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ULONG ToSver, ULONG ToSize, PVOID To) = 0;
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virtual void InitializeContextFlags(PCROSS_PLATFORM_CONTEXT Context,
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ULONG Version) = 0;
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virtual HRESULT GetContextFromThreadStack(ULONG64 ThreadBase,
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PCROSS_PLATFORM_THREAD Thread,
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PCROSS_PLATFORM_CONTEXT Context,
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PDEBUG_STACK_FRAME Frame,
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PULONG RunningOnProc) = 0;
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// Base implementations return E_NOTIMPL.
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virtual HRESULT GetExdiContext(IUnknown* Exdi, PEXDI_CONTEXT Context);
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virtual HRESULT SetExdiContext(IUnknown* Exdi, PEXDI_CONTEXT Context);
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virtual void ConvertExdiContextFromContext(PCROSS_PLATFORM_CONTEXT Context,
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PEXDI_CONTEXT ExdiContext);
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virtual void ConvertExdiContextToContext(PEXDI_CONTEXT ExdiContext,
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PCROSS_PLATFORM_CONTEXT Context);
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virtual void ConvertExdiContextToSegDescs(PEXDI_CONTEXT ExdiContext,
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ULONG Start, ULONG Count,
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PDESCRIPTOR64 Descs);
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virtual void ConvertExdiContextFromSpecial
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(PCROSS_PLATFORM_KSPECIAL_REGISTERS Special,
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PEXDI_CONTEXT ExdiContext);
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virtual void ConvertExdiContextToSpecial
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(PEXDI_CONTEXT ExdiContext,
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PCROSS_PLATFORM_KSPECIAL_REGISTERS Special);
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// A simple one-deep temporary save stack for CONTEXT information.
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// Useful when you want to swap in an arbitrary context for
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// some machine operation. This uses the same save area
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// as KdSave/RestoreProcessorState so the two should
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// not be used together.
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void PushContext(PCROSS_PLATFORM_CONTEXT Context)
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{
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DBG_ASSERT (!m_ContextIsReadOnly);
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m_SavedContextState = m_ContextState;
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m_SavedContext = m_Context;
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memcpy(m_SavedSegRegDesc, m_SegRegDesc, sizeof(m_SegRegDesc));
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m_Context = *Context;
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m_ContextState = MCTX_FULL;
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m_ContextIsReadOnly = TRUE;
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}
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void PopContext(void)
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{
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DBG_ASSERT((m_ContextState != MCTX_DIRTY) && (m_ContextIsReadOnly));
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m_Context = m_SavedContext;
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m_ContextState = m_SavedContextState;
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memcpy(m_SegRegDesc, m_SavedSegRegDesc, sizeof(m_SegRegDesc));
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m_ContextIsReadOnly = FALSE;
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}
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virtual int GetType(ULONG index) = 0;
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virtual BOOL GetVal(ULONG index, REGVAL *val) = 0;
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virtual BOOL SetVal(ULONG index, REGVAL *val) = 0;
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virtual void GetPC(PADDR Address) = 0;
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virtual void SetPC(PADDR Address) = 0;
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virtual void GetFP(PADDR Address) = 0;
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virtual void GetSP(PADDR Address) = 0;
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virtual ULONG64 GetArgReg(void) = 0;
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// Base implementations return zero and FALSE.
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virtual ULONG GetSegRegNum(ULONG SegReg);
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virtual HRESULT GetSegRegDescriptor(ULONG SegReg, PDESCRIPTOR64 Desc);
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virtual void OutputAll(ULONG Mask, ULONG OutMask) = 0;
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virtual TRACEMODE GetTraceMode(void) = 0;
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virtual void SetTraceMode(TRACEMODE Mode) = 0;
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// Returns true if trace mode appropriate to specified execution status
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// (e.g. DEBUG_STATUS_STEP_OVER, DEBUG_STATUS_STEP_INTO,
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// DEBUG_STATUS_STEP_BRANCH...) supported by the machine.
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virtual BOOL IsStepStatusSupported(ULONG Status) = 0;
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void QuietSetTraceMode(TRACEMODE Mode)
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{
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BOOL ContextChangedOrg = g_ContextChanged;
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SetTraceMode(Mode);
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g_ContextChanged = ContextChangedOrg;
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}
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// Base implementation does nothing.
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virtual void KdUpdateControlSet
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(PDBGKD_ANY_CONTROL_SET ControlSet);
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// Base implementations save and restore m_Context and m_ContextState.
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virtual void KdSaveProcessorState(void);
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virtual void KdRestoreProcessorState(void);
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virtual ULONG ExecutingMachine(void) = 0;
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virtual HRESULT SetPageDirectory(ULONG Idx, ULONG64 PageDir,
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PULONG NextIdx) = 0;
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HRESULT SetDefaultPageDirectories(ULONG Mask);
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virtual HRESULT GetVirtualTranslationPhysicalOffsets
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(ULONG64 Virt, PULONG64 Offsets, ULONG OffsetsSize,
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PULONG Levels, PULONG PfIndex, PULONG64 LastVal) = 0;
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virtual HRESULT GetBaseTranslationVirtualOffset(PULONG64 Offset) = 0;
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virtual void Assemble(PADDR Addr, PSTR Input) = 0;
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virtual BOOL Disassemble(PADDR Addr, PSTR Buffer, BOOL EffAddr) = 0;
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// Creates new Breakpoint object compatible with specific machine
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virtual HRESULT NewBreakpoint(DebugClient* Client,
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ULONG Type,
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ULONG Id,
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Breakpoint** RetBp);
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virtual BOOL IsBreakpointInstruction(PADDR Addr) = 0;
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virtual HRESULT InsertBreakpointInstruction(PUSER_DEBUG_SERVICES Services,
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ULONG64 Process,
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ULONG64 Offset,
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PUCHAR SaveInstr,
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PULONG64 ChangeStart,
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PULONG ChangeLen) = 0;
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virtual HRESULT RemoveBreakpointInstruction(PUSER_DEBUG_SERVICES Services,
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ULONG64 Process,
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ULONG64 Offset,
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PUCHAR SaveInstr,
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PULONG64 ChangeStart,
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PULONG ChangeLen) = 0;
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virtual void AdjustPCPastBreakpointInstruction(PADDR Addr,
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ULONG BreakType) = 0;
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// Base implementations do nothing for platforms which
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// do not support data breakpoints.
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virtual void InsertAllDataBreakpoints(void);
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virtual void RemoveAllDataBreakpoints(void);
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// Base implementation returns EXCEPTION_BRAKEPOINT_ANY
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// for STATUS_BREAKPOINT.
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virtual ULONG IsBreakpointOrStepException(PEXCEPTION_RECORD64 Record,
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ULONG FirstChance,
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PADDR BpAddr,
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PADDR RelAddr);
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virtual BOOL IsCallDisasm(PCSTR Disasm) = 0;
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virtual BOOL IsReturnDisasm(PCSTR Disasm) = 0;
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virtual BOOL IsSystemCallDisasm(PCSTR Disasm) = 0;
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virtual BOOL IsDelayInstruction(PADDR Addr) = 0;
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virtual void GetEffectiveAddr(PADDR Addr) = 0;
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// Some processors, such as IA64, have instructions which
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// switch between instruction sets, thus the machine type
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// of the next offset may be different from the current machine.
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// If the NextAddr is OFFSET_TRACE the NextMachine is ignored.
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virtual void GetNextOffset(BOOL StepOver,
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PADDR NextAddr, PULONG NextMachine) = 0;
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// Base implementation returns the value from StackWalk.
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virtual void GetRetAddr(PADDR Addr);
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// Base implementation does nothing for machines which
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// do not have symbol prefixing.
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virtual BOOL GetPrefixedSymbolOffset(ULONG64 SymOffset,
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ULONG Flags,
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PULONG64 PrefixedSymOffset);
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virtual void IncrementBySmallestInstruction(PADDR Addr) = 0;
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virtual void DecrementBySmallestInstruction(PADDR Addr) = 0;
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virtual BOOL DisplayTrapFrame(ULONG64 FrameAddress,
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PCROSS_PLATFORM_CONTEXT Context) = 0;
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virtual void ValidateCxr(PCROSS_PLATFORM_CONTEXT Context) = 0;
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// Output function entry information for the given entry.
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virtual void OutputFunctionEntry(PVOID RawEntry) = 0;
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// Base implementation returns E_UNEXPECTED.
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virtual HRESULT ReadDynamicFunctionTable(ULONG64 Table,
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PULONG64 NextTable,
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PULONG64 MinAddress,
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PULONG64 MaxAddress,
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PULONG64 BaseAddress,
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PULONG64 TableData,
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PULONG TableSize,
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PWSTR OutOfProcessDll,
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PCROSS_PLATFORM_DYNAMIC_FUNCTION_TABLE RawTable);
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// Base implementation returns NULL.
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virtual PVOID FindDynamicFunctionEntry(PCROSS_PLATFORM_DYNAMIC_FUNCTION_TABLE Table,
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ULONG64 Address,
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PVOID TableData,
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ULONG TableSize);
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virtual HRESULT ReadKernelProcessorId
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(ULONG Processor, PDEBUG_PROCESSOR_IDENTIFICATION_ALL Id) = 0;
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// Base implementation discards page directory entries.
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virtual void FlushPerExecutionCaches(void);
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// Stack output functions
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virtual void PrintStackFrameAddressesTitle(ULONG Flags);
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virtual void PrintStackFrameAddresses(ULONG Flags,
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PDEBUG_STACK_FRAME StackFrame);
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virtual void PrintStackArgumentsTitle(ULONG Flags);
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virtual void PrintStackArguments(ULONG Flags,
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PDEBUG_STACK_FRAME StackFrame);
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virtual void PrintStackCallSiteTitle(ULONG Flags);
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virtual void PrintStackCallSite(ULONG Flags,
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PDEBUG_STACK_FRAME StackFrame,
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CHAR SymBuf[], DWORD64 Displacement,
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USHORT StdCallArgs);
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virtual void PrintStackNonvolatileRegisters(ULONG Flags,
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PDEBUG_STACK_FRAME StackFrame,
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PCROSS_PLATFORM_CONTEXT Context,
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ULONG FrameNum);
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//
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// IMPORTANT
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//
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// Helpers for convenient value access. When in machine code
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// these helpers are preferred to Get/SetRegVal* because
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// they stay in the same machine whereas the generic code
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// always uses g_Machine. If a caller makes a direct call
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// on a specific machine g_Machine may not match so the
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// generic code will not work properly.
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//
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// Note that the set methods here do not get the register
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// type as is done in the generic code. All of these methods
|
|
// assume that the proper call is being made for the register.
|
|
// The Get/SetReg methods also only operate on real registers, not
|
|
// subregisters. Use the Get/SetSubReg methods when dealing
|
|
// with subregisters.
|
|
//
|
|
|
|
USHORT GetReg16(ULONG Reg)
|
|
{
|
|
REGVAL RegVal;
|
|
RegVal.i64 = 0;
|
|
GetVal(Reg, &RegVal);
|
|
return RegVal.i16;
|
|
}
|
|
ULONG GetReg32(ULONG Reg)
|
|
{
|
|
REGVAL RegVal;
|
|
RegVal.i64 = 0;
|
|
GetVal(Reg, &RegVal);
|
|
return RegVal.i32;
|
|
}
|
|
void SetReg32(ULONG Reg, ULONG Val)
|
|
{
|
|
REGVAL RegVal;
|
|
RegVal.type = REGVAL_INT32;
|
|
RegVal.i64 = 0;
|
|
RegVal.i32 = Val;
|
|
SetVal(Reg, &RegVal);
|
|
}
|
|
ULONG64 GetReg64(ULONG Reg)
|
|
{
|
|
REGVAL RegVal;
|
|
RegVal.i64 = 0;
|
|
GetVal(Reg, &RegVal);
|
|
return RegVal.i64;
|
|
}
|
|
void SetReg64(ULONG Reg, ULONG64 Val)
|
|
{
|
|
REGVAL RegVal;
|
|
RegVal.type = REGVAL_INT64;
|
|
RegVal.i64 = Val;
|
|
RegVal.Nat = FALSE;
|
|
SetVal(Reg, &RegVal);
|
|
}
|
|
ULONG GetSubReg32(ULONG SubReg)
|
|
{
|
|
REGVAL RegVal;
|
|
REGSUBDEF* SubDef = RegSubDefFromIndex(SubReg);
|
|
|
|
if (!SubDef)
|
|
{
|
|
return 0;
|
|
}
|
|
|
|
RegVal.i64 = 0;
|
|
GetVal(SubDef->fullreg, &RegVal);
|
|
return (ULONG)((RegVal.i64 >> SubDef->shift) & SubDef->mask);
|
|
}
|
|
|
|
// Helper function to initialize an ADDR given a flat
|
|
// offset from a known segment or segment register.
|
|
void FormAddr(ULONG SegOrReg, ULONG64 Off, ULONG Flags,
|
|
PADDR Address);
|
|
|
|
protected:
|
|
TRACEMODE m_TraceMode;
|
|
|
|
// KdSave/Restore state.
|
|
ULONG m_SavedContextState;
|
|
CROSS_PLATFORM_CONTEXT m_SavedContext;
|
|
|
|
// Common helpers for disassembly.
|
|
PCHAR m_Buf, m_BufStart;
|
|
|
|
void BufferHex(ULONG64 Value, ULONG Length, BOOL Signed);
|
|
void BufferBlanks(ULONG BufferPos);
|
|
void BufferString(PCSTR String);
|
|
|
|
void PrintMultiPtrTitle(const CHAR* Title, USHORT PtrNum);
|
|
};
|
|
|
|
// Effective machine settings.
|
|
extern ULONG g_EffMachine;
|
|
extern MachineIndex g_EffMachineIndex;
|
|
extern MachineInfo* g_Machine;
|
|
|
|
// Target machine settings.
|
|
extern MachineInfo* g_TargetMachine;
|
|
|
|
extern MachineInfo* g_AllMachines[];
|
|
|
|
HRESULT InitializeMachines(ULONG TargetMachine);
|
|
MachineIndex MachineTypeIndex(ULONG Machine);
|
|
|
|
// g_AllMachines has a NULL at MACHIDX_COUNT to handle errors.
|
|
#define MachineTypeInfo(Machine) g_AllMachines[MachineTypeIndex(Machine)]
|
|
|
|
void CacheReportInstructions(ULONG64 Pc, ULONG Count, PUCHAR Stream);
|
|
void FlushMachinePerExecutionCaches(void);
|
|
|
|
extern CHAR g_F0[], g_F1[], g_F2[], g_F3[], g_F4[], g_F5[];
|
|
extern CHAR g_F6[], g_F7[], g_F8[], g_F9[], g_F10[], g_F11[];
|
|
extern CHAR g_F12[], g_F13[], g_F14[], g_F15[], g_F16[], g_F17[];
|
|
extern CHAR g_F18[], g_F19[], g_F20[], g_F21[], g_F22[], g_F23[];
|
|
extern CHAR g_F24[], g_F25[], g_F26[], g_F27[], g_F28[], g_F29[];
|
|
extern CHAR g_F30[], g_F31[];
|
|
|
|
extern CHAR g_R0[], g_R1[], g_R2[], g_R3[], g_R4[], g_R5[];
|
|
extern CHAR g_R6[], g_R7[], g_R8[], g_R9[], g_R10[], g_R11[];
|
|
extern CHAR g_R12[], g_R13[], g_R14[], g_R15[], g_R16[], g_R17[];
|
|
extern CHAR g_R18[], g_R19[], g_R20[], g_R21[], g_R22[], g_R23[];
|
|
extern CHAR g_R24[], g_R25[], g_R26[], g_R27[], g_R28[], g_R29[];
|
|
extern CHAR g_R30[], g_R31[];
|
|
|
|
#endif // #ifndef __MACHINE_HPP__
|