Source code of Windows XP (NT5)
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164 lines
2.9 KiB

#ifndef _VIEW_H_
#define _VIEW_H_
//
// Constant declarations
//
#define X86_BREAKPOINT 0xcc
#define MAX_MAP_SIZE 0x80000000
#define MAP_STRIDE_BITS 10
typedef enum
{
None = 0,
Call,
Jump,
Map,
ThreadStart,
} BPType;
//
// Structure definitions
//
typedef struct _VIEWCHAIN
{
BOOL bMapped;
BOOL bTraced;
BPType bpType;
DWORD dwAddress;
DWORD dwMapExtreme;
BYTE jByteReplaced;
struct _VIEWCHAIN *pNext;
} VIEWCHAIN, *PVIEWCHAIN;
//
// Macros
//
#define WRITEBYTE(x, y) \
{ \
{ \
DWORD dwOldProtect; \
\
VirtualProtect((LPVOID)(x), \
sizeof(BYTE), \
PAGE_READWRITE, \
&dwOldProtect); \
*(PBYTE)(x) = (y); \
} \
\
}
#define WRITEWORD(x, y) \
{ \
{ \
DWORD dwOldProtect; \
\
VirtualProtect((LPVOID)(x), \
sizeof(WORD), \
PAGE_READWRITE, \
&dwOldProtect); \
*(WORD *)(x) = (y); \
} \
\
}
/*
#define WRITEBYTE(x, y) \
{ \
__try \
{ \
*(PBYTE)(x) = (y); \
} \
__except(EXCEPTION_EXECUTE_HANDLER) \
{ \
DWORD dwOldProtect; \
\
VirtualProtect((LPVOID)(x), \
sizeof(BYTE), \
PAGE_READWRITE, \
&dwOldProtect); \
*(PBYTE)(x) = (y); \
} \
\
}
#define WRITEWORD(x, y) \
{ \
__try \
{ \
*(WORD *)(x) = (y); \
} \
__except(EXCEPTION_EXECUTE_HANDLER) \
{ \
DWORD dwOldProtect; \
\
VirtualProtect((LPVOID)(x), \
sizeof(WORD), \
PAGE_READWRITE, \
&dwOldProtect); \
*(WORD *)(x) = (y); \
} \
\
}
*/
//
// Structure definitions
//
typedef struct _TAGGEDADDRESS
{
DWORD dwAddress;
WORD wBytesReplaced;
struct _TAGGEDADDRESS *pNext;
} TAGGEDADDRESS, *PTAGGEDADDRESS;
typedef struct _BRANCHADDRESS
{
DWORD dwAddress;
struct _BRANCHADDRESS *pNext;
} BRANCHADDRESS, *PBRANCHADDRESS;
//
// Function definitions
//
PVIEWCHAIN
AddViewToMonitor(DWORD dwAddress,
BPType bpType);
BOOL
InitializeViewData(VOID);
PVIEWCHAIN
RestoreAddressFromView(DWORD dwAddress,
BOOL bResetData);
PVIEWCHAIN
FindMappedView(DWORD dwAddress);
PVIEWCHAIN
FindView(DWORD dwAddress);
BOOL
MapCode(PVIEWCHAIN pvMap);
BOOL
PushBranch(DWORD dwAddress);
DWORD
PopBranch(VOID);
BOOL
AddTaggedAddress(DWORD dwAddress);
BOOL
RestoreTaggedAddresses(VOID);
VOID
LockMapper(VOID);
VOID
UnlockMapper(VOID);
#endif //_VIEW_H_