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397 lines
11 KiB
397 lines
11 KiB
/*++
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Copyright (c) 1990 Microsoft Corporation
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Module Name:
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common.h
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Abstract:
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Main header file for vdmdbg
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Author:
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Bob Day (bobday) 16-Sep-1992 Wrote it
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Revision History:
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Neil Sandlin (neilsa) 1-Mar-1997 Enhanced it
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--*/
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#if DBG
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#define DEBUG 1
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#endif
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#define TOOL_HMASTER 0 // Offset to hGlobalHeap (in kdata.asm)
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#define TOOL_HMODFIRST 4 // Offset to hExeHead (in kdata.asm)
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#define TOOL_HEADTDB 14 // Offset to headTDB (in kdata.asm)
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#define TOOL_HMASTLEN 22 // Offset to SelTableLen (in kdata.asm)
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#define TOOL_HMASTSTART 24 // Offset to SelTableStart (in kdata.asm)
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#define HI_FIRST 6 // Offset to hi_first in heap header
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#define HI_SIZE 24 // Size of HeapInfo structure
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#define GI_LRUCHAIN 2 // Offset to gi_lruchain in heap header
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#define GI_LRUCOUNT 4 // Offset to gi_lrucount in heap header
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#define GI_FREECOUNT 16 // Offset to gi_free_count in heap header
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#define GA_COUNT 0 // Offset to ga_count in arena header
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#define GA_OWNER386 18 // Offset to "pga_owner member in globalarena
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#define GA_OWNER 1 // Offset to "owner" member within Arena
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#define GA_FLAGS 5 // Offset to ga_flags in arena header
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#define GA_NEXT 9 // Offset to ga_next in arena header
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#define GA_HANDLE 10 // Offset to ga_handle in arena header
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#define GA_LRUNEXT 14 // Offset to ga_lrunext in arena header
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#define GA_FREENEXT GA_LRUNEXT // Offset to ga_freenext in arena header
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#define GA_SIZE 16 // Size of the GlobalArena structure
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#define LI_SIG HI_SIZE+10 // Offset to signature
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#define LI_SIZE HI_SIZE+12 // Size of LocalInfo structure
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#define LOCALSIG 0x4C48 // 'HL' Signature
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#define TDB_next 0 // Offset to next TDB in TDB
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#define TDB_PDB 72 // Offset to PDB in TDB
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#define GF_PDB_OWNER 0x100 // Low byte is kernel flags
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#define NEMAGIC 0x454E // 'NE' Signature
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#define NE_MAGIC 0 // Offset to NE in module header
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#define NE_USAGE 2 // Offset to usage
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#define NE_CBENTTAB 6 // Offset to cbenttab (really next module ptr)
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#define NE_PATHOFFSET 10 // Offset to file path stuff
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#define NE_CSEG 28 // Offset to cseg, number of segs in module
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#define NE_SEGTAB 34 // Offset to segment table ptr in modhdr
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#define NE_RESTAB 38 // Offset to resident names table ptr in modhdr
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#define NS_HANDLE 8 // Offset to handle in seg table
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#define NEW_SEG1_SIZE 10 // Size of the NS_ stuff
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typedef struct {
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DWORD dwSize;
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DWORD dwAddress;
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DWORD dwBlockSize;
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WORD hBlock;
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WORD wcLock;
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WORD wcPageLock;
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WORD wFlags;
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WORD wHeapPresent;
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WORD hOwner;
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WORD wType;
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WORD wData;
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DWORD dwNext;
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DWORD dwNextAlt;
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} GLOBALENTRY16, *LPGLOBALENTRY16;
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#pragma pack(2)
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typedef struct {
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DWORD dwSize;
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char szModule[MAX_MODULE_NAME];
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WORD hModule;
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WORD wcUsage;
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char szExePath[MAX_PATH16];
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WORD wNext;
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} MODULEENTRY16, *LPMODULEENTRY16;
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#pragma pack()
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typedef struct _segentry {
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struct _segentry *Next;
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int type;
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char szExePath[MAX_PATH16];
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char szModule[MAX_MODULE_NAME];
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WORD selector;
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WORD segment;
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DWORD length;
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} SEGENTRY, *PSEGENTRY;
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#define SEGTYPE_V86 1
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#define SEGTYPE_PROT 2
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#pragma pack(1)
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typedef struct _GNODE32 { // GlobalArena
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DWORD pga_next ; // next arena entry (last points to self)
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DWORD pga_prev ; // previous arena entry (first points to self)
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DWORD pga_address ; // 32 bit linear address of memory
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DWORD pga_size ; // 32 bit size in bytes
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WORD pga_handle ; // back link to handle table entry
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WORD pga_owner ; // Owner field (current task)
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BYTE pga_count ; // lock count for movable segments
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BYTE pga_pglock ; // # times page locked
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BYTE pga_flags ; // 1 word available for flags
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BYTE pga_selcount ; // Number of selectors allocated
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DWORD pga_lruprev ; // Previous entry in lru chain
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DWORD pga_lrunext ; // Next entry in lru chain
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} GNODE32;
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typedef GNODE32 UNALIGNED *PGNODE32;
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typedef struct _GHI32 {
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WORD hi_check ; // arena check word (non-zero enables heap checking)
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WORD hi_freeze ; // arena frozen word (non-zero prevents compaction)
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WORD hi_count ; // #entries in arena
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WORD hi_first ; // first arena entry (sentinel, always busy)
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WORD hi_res1 ; // reserved
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WORD hi_last ; // last arena entry (sentinel, always busy)
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WORD hi_res2 ; // reserved
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BYTE hi_ncompact ; // #compactions done so far (max of 3)
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BYTE hi_dislevel ; // current discard level
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DWORD hi_distotal ; // total amount discarded so far
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WORD hi_htable ; // head of handle table list
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WORD hi_hfree ; // head of free handle table list
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WORD hi_hdelta ; // #handles to allocate each time
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WORD hi_hexpand ; // address of near procedure to expand handles for this arena
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WORD hi_pstats ; // address of statistics table or zero
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} GHI32;
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typedef GHI32 UNALIGNED *PGHI32;
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typedef struct _HEAPENTRY {
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GNODE32 gnode;
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DWORD CurrentEntry;
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DWORD NextEntry;
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WORD Selector;
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int SegmentNumber;
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char OwnerName[9];
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char FileName[9];
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char ModuleArg[9];
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} HEAPENTRY;
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typedef struct _NEHEADER {
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WORD ne_magic ;
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BYTE ne_ver ;
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BYTE ne_rev ;
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WORD ne_enttab ;
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WORD ne_cbenttab ;
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DWORD ne_crc ;
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WORD ne_flags ;
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WORD ne_autodata ;
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WORD ne_heap ;
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WORD ne_stack ;
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DWORD ne_csip ;
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DWORD ne_sssp ;
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WORD ne_cseg ;
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WORD ne_cmod ;
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WORD ne_cbnrestab ;
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WORD ne_segtab ;
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WORD ne_rsrctab ;
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WORD ne_restab ;
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WORD ne_modtab ;
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WORD ne_imptab ;
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DWORD ne_nrestab ;
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WORD ne_cmovent ;
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WORD ne_align ;
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WORD ne_cres ;
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BYTE ne_exetyp ;
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BYTE ne_flagsothers ;
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WORD ne_pretthunks ;
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WORD ne_psegrefbytes;
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WORD ne_swaparea ;
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WORD ne_expver ;
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} NEHEADER;
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typedef NEHEADER UNALIGNED *PNEHEADER;
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#pragma pack()
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#ifndef i386
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//
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// Structures in 486 emulator for obtaining registers (FROM NT_CPU.C)
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//
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typedef struct NT_CPU_REG {
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ULONG *nano_reg; /* where the nano CPU keeps the register */
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ULONG *reg; /* where the light compiler keeps the reg */
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ULONG *saved_reg; /* where currently unused bits are kept */
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ULONG universe_8bit_mask;/* is register in 8-bit form? */
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ULONG universe_16bit_mask;/* is register in 16-bit form? */
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} NT_CPU_REG;
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typedef struct NT_CPU_INFO {
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/* Variables for deciding what mode we're in */
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BOOL *in_nano_cpu; /* is the Nano CPU executing? */
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ULONG *universe; /* the mode that the CPU is in */
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/* General purpose register pointers */
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NT_CPU_REG eax, ebx, ecx, edx, esi, edi, ebp;
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/* Variables for getting SP or ESP. */
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BOOL *stack_is_big; /* is the stack 32-bit? */
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ULONG *nano_esp; /* where the Nano CPU keeps ESP */
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UCHAR **host_sp; /* ptr to variable holding stack pointer as a
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host address */
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UCHAR **ss_base; /* ptr to variables holding base of SS as a
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host address */
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ULONG *esp_sanctuary; /* top 16 bits of ESP if we're now using SP */
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ULONG *eip;
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/* Segment registers. */
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USHORT *cs, *ds, *es, *fs, *gs, *ss;
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ULONG *flags;
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/* CR0, mainly to let us figure out if we're in real or protect mode */
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ULONG *cr0;
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} NT_CPU_INFO;
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#endif // i386
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#define HANDLE_NULL ((HANDLE)NULL)
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#define LONG_TIMEOUT INFINITE
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#define READ_FIXED_ITEM(seg,offset,item) \
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if ( ReadItem(hProcess,seg,offset,&item,sizeof(item)) ) goto punt;
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#define WRITE_FIXED_ITEM(seg,offset,item) \
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if ( WriteItem(hProcess,seg,offset,&item,sizeof(item)) ) goto punt;
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#define LOAD_FIXED_ITEM(seg,offset,item) \
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ReadItem(hProcess,seg,offset,&item,sizeof(item))
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#define READ_SIZED_ITEM(seg,offset,item,size) \
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if ( ReadItem(hProcess,seg,offset,item,size) ) goto punt;
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#define WRITE_SIZED_ITEM(seg,offset,item,size) \
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if ( WriteItem(hProcess,seg,offset,item,size) ) goto punt;
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#define MALLOC(cb) HeapAlloc(GetProcessHeap(), HEAP_GENERATE_EXCEPTIONS, cb)
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#define FREE(addr) HeapFree(GetProcessHeap(), 0, addr)
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extern WORD wKernelSeg;
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extern DWORD dwOffsetTHHOOK;
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extern LPVOID lpRemoteAddress;
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extern DWORD lpRemoteBlock;
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extern BOOL fKernel386;
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extern DWORD dwLdtBase;
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extern DWORD dwIntelBase;
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extern LPVOID lpNtvdmState;
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extern LPVOID lpVdmDbgFlags;
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extern LPVOID lpNtCpuInfo;
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extern LPVOID lpVdmContext;
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extern LPVOID lpVdmBreakPoints;
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BOOL
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InternalGetThreadSelectorEntry(
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HANDLE hProcess,
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WORD wSelector,
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LPVDMLDT_ENTRY lpSelectorEntry
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);
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ULONG
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InternalGetPointer(
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HANDLE hProcess,
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WORD wSelector,
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DWORD dwOffset,
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BOOL fProtMode
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);
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BOOL
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ReadItem(
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HANDLE hProcess,
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WORD wSeg,
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DWORD dwOffset,
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LPVOID lpitem,
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UINT nSize
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);
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BOOL
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WriteItem(
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HANDLE hProcess,
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WORD wSeg,
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DWORD dwOffset,
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LPVOID lpitem,
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UINT nSize
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);
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BOOL
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CallRemote16(
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HANDLE hProcess,
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LPSTR lpModuleName,
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LPSTR lpEntryName,
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LPBYTE lpArgs,
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WORD wArgsPassed,
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WORD wArgsSize,
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LPDWORD lpdwReturnValue,
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DEBUGEVENTPROC lpEventProc,
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LPVOID lpData
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);
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DWORD
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GetRemoteBlock16(
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VOID
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);
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VOID
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ProcessBPNotification(
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LPDEBUG_EVENT lpDebugEvent
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);
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VOID
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ProcessInitNotification(
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LPDEBUG_EVENT lpDebugEvent
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);
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VOID
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ProcessSegmentNotification(
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LPDEBUG_EVENT lpDebugEvent
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);
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VOID
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ParseModuleName(
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LPSTR szName,
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LPSTR szPath
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);
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BOOL
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GetInfoBySegmentNumber(
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LPSTR szModule,
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WORD SegNumber,
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VDM_SEGINFO *si
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);
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BOOL
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EnumerateModulesForValue(
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BOOL (WINAPI *pfnEnumModuleProc)(LPSTR,LPSTR,PWORD,PDWORD,PWORD),
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LPSTR szSymbol,
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PWORD pSelector,
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PDWORD pOffset,
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PWORD pType
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);
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#ifndef _X86_
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WORD
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ReadWord(
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HANDLE hProcess,
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LPVOID lpAddress
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);
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DWORD
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ReadDword(
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HANDLE hProcess,
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LPVOID lpAddress
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);
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ULONG
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GetRegValue(
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HANDLE hProcess,
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NT_CPU_REG reg,
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BOOL bInNano,
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ULONG UMask
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);
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ULONG
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GetEspValue(
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HANDLE hProcess,
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NT_CPU_INFO nt_cpu_info,
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BOOL bInNano
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);
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#endif
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