include/ndk/ldrtypes.h

   1 /*++ NDK Version: 0098
   2
   3 Copyright (c) Alex Ionescu.  All rights reserved.
   4
   5 Header Name:
   6
   7     ldrtypes.h
   8
   9 Abstract:
  10
  11     Type definitions for the Loader.
  12
  13 Author:
  14
  15     Alex Ionescu (alexi@tinykrnl.org) - Updated - 27-Feb-2006
  16
  17 --*/
  18
  19 #ifndef _LDRTYPES_H
  20 #define _LDRTYPES_H
  21
  22 //
  23 // Dependencies
  24 //
  25 #include <umtypes.h>
  26
  27 //
  28 // Resource Type Levels
  29 //
  30 #define RESOURCE_TYPE_LEVEL                     0
  31 #define RESOURCE_NAME_LEVEL                     1
  32 #define RESOURCE_LANGUAGE_LEVEL                 2
  33 #define RESOURCE_DATA_LEVEL                     3
  34
  35 //
  36 // Loader Data Table Entry Flags
  37 //
  38 #define LDRP_STATIC_LINK                        0x00000002
  39 #define LDRP_IMAGE_DLL                          0x00000004
  40 #define LDRP_LOAD_IN_PROGRESS                   0x00001000
  41 #define LDRP_UNLOAD_IN_PROGRESS                 0x00002000
  42 #define LDRP_ENTRY_PROCESSED                    0x00004000
  43 #define LDRP_ENTRY_INSERTED                     0x00008000
  44 #define LDRP_CURRENT_LOAD                       0x00010000
  45 #define LDRP_FAILED_BUILTIN_LOAD                0x00020000
  46 #define LDRP_DONT_CALL_FOR_THREADS              0x00040000
  47 #define LDRP_PROCESS_ATTACH_CALLED              0x00080000
  48 #define LDRP_DEBUG_SYMBOLS_LOADED               0x00100000
  49 #define LDRP_IMAGE_NOT_AT_BASE                  0x00200000
  50 #define LDRP_COR_IMAGE                          0x00400000
  51 #define LDR_COR_OWNS_UNMAP                      0x00800000
  52 #define LDRP_SYSTEM_MAPPED                      0x01000000
  53 #define LDRP_IMAGE_VERIFYING                    0x02000000
  54 #define LDRP_DRIVER_DEPENDENT_DLL               0x04000000
  55 #define LDRP_ENTRY_NATIVE                       0x08000000
  56 #define LDRP_REDIRECTED                         0x10000000
  57 #define LDRP_NON_PAGED_DEBUG_INFO               0x20000000
  58 #define LDRP_MM_LOADED                          0x40000000
  59 #define LDRP_COMPAT_DATABASE_PROCESSED          0x80000000
  60
  61 //
  62 // Dll Characteristics for LdrLoadDll
  63 //
  64 #define LDR_IGNORE_CODE_AUTHZ_LEVEL             0x00001000
  65
  66 //
  67 // LdrAddRef Flags
  68 //
  69 #define LDR_PIN_MODULE                          0x00000001
  70
  71 //
  72 // LdrLockLoaderLock Flags
  73 //
  74 #define LDR_LOCK_LOADER_LOCK_FLAG_RAISE_STATUS  0x00000001
  75 #define LDR_LOCK_LOADER_LOCK_FLAG_TRY_ONLY      0x00000002
  76
  77 //
  78 // FIXME: THIS SHOULD *NOT* BE USED!
  79 //
  80 #define IMAGE_SCN_TYPE_NOLOAD                   0x00000002
  81
  82 //
  83 // Loader Data stored in the PEB
  84 //
  85 typedef struct _PEB_LDR_DATA
  86 {
  87     ULONG Length;
  88     BOOLEAN Initialized;
  89     PVOID SsHandle;
  90     LIST_ENTRY InLoadOrderModuleList;
  91     LIST_ENTRY InMemoryOrderModuleList;
  92     LIST_ENTRY InInitializationOrderModuleList;
  93     PVOID EntryInProgress;
  94 } PEB_LDR_DATA, *PPEB_LDR_DATA;
  95
  96 //
  97 // Loader Data Table Entry
  98 //
  99 typedef struct _LDR_DATA_TABLE_ENTRY
 100 {
 101     LIST_ENTRY InLoadOrderLinks;
 102     LIST_ENTRY InMemoryOrderModuleList;
 103     LIST_ENTRY InInitializationOrderModuleList;
 104     PVOID DllBase;
 105     PVOID EntryPoint;
 106     ULONG SizeOfImage;
 107     UNICODE_STRING FullDllName;
 108     UNICODE_STRING BaseDllName;
 109     ULONG Flags;
 110     USHORT LoadCount;
 111     USHORT TlsIndex;
 112     union
 113     {
 114         LIST_ENTRY HashLinks;
 115         struct
 116         {
 117             PVOID SectionPointer;
 118             ULONG CheckSum;
 119         };
 120     };
 121     union
 122     {
 123         ULONG TimeDateStamp;
 124         PVOID LoadedImports;
 125     };
 126     PVOID EntryPointActivationContext;
 127     PVOID PatchInformation;
 128 } LDR_DATA_TABLE_ENTRY, *PLDR_DATA_TABLE_ENTRY;
 129
 130 //
 131 // Loaded Imports Reference Counting in Kernel
 132 //
 133 typedef struct _LOAD_IMPORTS
 134 {
 135     SIZE_T Count;
 136     PLDR_DATA_TABLE_ENTRY Entry[1];
 137 } LOAD_IMPORTS, *PLOAD_IMPORTS;
 138
 139 //
 140 // Loader Resource Information
 141 //
 142 typedef struct _LDR_RESOURCE_INFO
 143 {
 144     ULONG_PTR Type;
 145     ULONG_PTR Name;
 146     ULONG Language;
 147 } LDR_RESOURCE_INFO, *PLDR_RESOURCE_INFO;
 148
 149 //
 150 // DLL Notifications
 151 //
 152 typedef struct _LDR_DLL_LOADED_NOTIFICATION_DATA
 153 {
 154     ULONG Flags;
 155     PUNICODE_STRING FullDllName;
 156     PUNICODE_STRING BaseDllName;
 157     PVOID DllBase;
 158     ULONG SizeOfImage;
 159 } LDR_DLL_LOADED_NOTIFICATION_DATA, *PLDR_DLL_LOADED_NOTIFICATION_DATA;
 160
 161 typedef VOID
 162 (NTAPI *PLDR_DLL_LOADED_NOTIFICATION_CALLBACK)(
 163     IN BOOLEAN Type,
 164     IN struct _LDR_DLL_LOADED_NOTIFICATION_DATA *Data
 165 );
 166
 167 typedef struct _LDR_DLL_LOADED_NOTIFICATION_ENTRY
 168 {
 169     LIST_ENTRY NotificationListEntry;
 170     PLDR_DLL_LOADED_NOTIFICATION_CALLBACK Callback;
 171 } LDR_DLL_LOADED_NOTIFICATION_ENTRY, *PLDR_DLL_LOADED_NOTIFICATION_ENTRY;
 172
 173 //
 174 // Alternate Resources Support
 175 //
 176 typedef struct _ALT_RESOURCE_MODULE
 177 {
 178     LANGID LangId;
 179     PVOID ModuleBase;
 180 #if (NTDDI_VERSION >= NTDDI_LONGHORN)
 181     PVOID ModuleManifest;
 182 #endif
 183     PVOID AlternateModule;
 184 #if (NTDDI_VERSION >= NTDDI_LONGHORN)
 185     HANDLE AlternateFileHandle;
 186     ULONG ModuleCheckSum;
 187     ULONG ErrorCode;
 188 #endif
 189 } ALT_RESOURCE_MODULE, *PALT_RESOURCE_MODULE;
 190
 191 #endif