最近学习驱动 UNDOCUMENT2000 学习内核HOOK,用DDK编译驱动老是这个错误,好久都找不到怎么回事,只好来论坛求教各位DX了,错误信息如下

1>driver.obj : error LNK2001: unresolved external symbol "struct _ServiceDescriptorEntry KeServiceDescriptorTable" (?KeServiceDescriptorTable@@3U_ServiceDescriptorEntry@@A)
1>objchk\i386\HelloDDK.sys : fatal error LNK1120: 1 unresolved externals

代码如下

typedef struct _ServiceDescriptorEntry {
        unsigned int *ServiceTableBase;
        unsigned int *ServiceCounterTableBase; //Used only in checked build
        unsigned int NumberOfServices;
        unsigned char *ParamTableBase;
} ServiceDescriptorTableEntry, *PServiceDescriptorTableEntry;
extern  ServiceDescriptorTableEntry KeServiceDescriptorTable;

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