include/ddk/service.h

   1
   2 #ifndef __INTERNAL_SERVICE_H
   3 #define __INTERNAL_SERVICE_H
   4
   5
   6 /* number of entries in the service descriptor tables */
   7 #define SSDT_MAX_ENTRIES 4
   8
   9
  10 #pragma pack(1)
  11
  12 // System Service Dispatch Table
  13 typedef struct t_SSDT {
  14                 ULONG           SysCallPtr;
  15 } SSDT, *PSSDT;
  16
  17 // System Service Parameters Table
  18 typedef struct t_SSPT   {
  19                 unsigned int    ParamBytes;
  20 } SSPT, *PSSPT;
  21
  22 typedef struct t_KeServiceDescriptorTableEntry {
  23                 PSSDT               SSDT;
  24                 PULONG              ServiceCounterTable;
  25                 unsigned int        NumberOfServices;
  26                 PSSPT               SSPT;
  27
  28 } KE_SERVICE_DESCRIPTOR_TABLE_ENTRY, *PKE_SERVICE_DESCRIPTOR_TABLE_ENTRY;
  29
  30 #pragma pack()
  31
  32
  33 /* --- NTOSKRNL.EXE --- */
  34 #if defined(__NTOSKRNL__)
  35 extern
  36 KE_SERVICE_DESCRIPTOR_TABLE_ENTRY
  37 KeServiceDescriptorTable[SSDT_MAX_ENTRIES] __declspec(dllexport);
  38 #else
  39 extern
  40 KE_SERVICE_DESCRIPTOR_TABLE_ENTRY
  41 KeServiceDescriptorTable[SSDT_MAX_ENTRIES] __declspec(dllimport);
  42 #endif
  43
  44 extern
  45 KE_SERVICE_DESCRIPTOR_TABLE_ENTRY
  46 KeServiceDescriptorTableShadow[SSDT_MAX_ENTRIES];
  47
  48
  49 BOOLEAN
  50 STDCALL
  51 KeAddSystemServiceTable (
  52         PSSDT   SSDT,
  53         PULONG  ServiceCounterTable,
  54         ULONG   NumberOfServices,
  55         PSSPT   SSPT,
  56         ULONG   TableIndex
  57         );
  58
  59 #endif
  60