include/module.h

   1 /*
   2  * Module definitions
   3  *
   4  * Copyright 1995 Alexandre Julliard
   5  *
   6  * This library is free software; you can redistribute it and/or
   7  * modify it under the terms of the GNU Lesser General Public
   8  * License as published by the Free Software Foundation; either
   9  * version 2.1 of the License, or (at your option) any later version.
  10  *
  11  * This library is distributed in the hope that it will be useful,
  12  * but WITHOUT ANY WARRANTY; without even the implied warranty of
  13  * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU
  14  * Lesser General Public License for more details.
  15  *
  16  * You should have received a copy of the GNU Lesser General Public
  17  * License along with this library; if not, write to the Free Software
  18  * Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA  02111-1307  USA
  19  */
  20
  21 #ifndef __WINE_MODULE_H
  22 #define __WINE_MODULE_H
  23
  24 #include <stdarg.h>
  25 #include <windef.h>
  26 #include <winbase.h>
  27 #include <winreg.h>
  28 #include <wine/windef16.h>
  29 #include <wine/winbase16.h>
  30 #include <winternl.h>
  31
  32 #include <pshpack1.h>
  33
  34   /* In-memory module structure. See 'Windows Internals' p. 219 */
  35 typedef struct _NE_MODULE
  36 {
  37     WORD    magic;            /* 00 'NE' signature */
  38     WORD    count;            /* 02 Usage count */
  39     WORD    entry_table;      /* 04 Near ptr to entry table */
  40     HMODULE16  next;          /* 06 Selector to next module */
  41     WORD    dgroup_entry;     /* 08 Near ptr to segment entry for DGROUP */
  42     WORD    fileinfo;         /* 0a Near ptr to file info (OFSTRUCT) */
  43     WORD    flags;            /* 0c Module flags */
  44     WORD    dgroup;           /* 0e Logical segment for DGROUP */
  45     WORD    heap_size;        /* 10 Initial heap size */
  46     WORD    stack_size;       /* 12 Initial stack size */
  47     WORD    ip;               /* 14 Initial ip */
  48     WORD    cs;               /* 16 Initial cs (logical segment) */
  49     WORD    sp;               /* 18 Initial stack pointer */
  50     WORD    ss;               /* 1a Initial ss (logical segment) */
  51     WORD    seg_count;        /* 1c Number of segments in segment table */
  52     WORD    modref_count;     /* 1e Number of module references */
  53     WORD    nrname_size;      /* 20 Size of non-resident names table */
  54     WORD    seg_table;        /* 22 Near ptr to segment table */
  55     WORD    res_table;        /* 24 Near ptr to resource table */
  56     WORD    name_table;       /* 26 Near ptr to resident names table */
  57     WORD    modref_table;     /* 28 Near ptr to module reference table */
  58     WORD    import_table;     /* 2a Near ptr to imported names table */
  59     DWORD   nrname_fpos;      /* 2c File offset of non-resident names table */
  60     WORD    moveable_entries; /* 30 Number of moveable entries in entry table*/
  61     WORD    alignment;        /* 32 Alignment shift count */
  62     WORD    truetype;         /* 34 Set to 2 if TrueType font */
  63     BYTE    os_flags;         /* 36 Operating system flags */
  64     BYTE    misc_flags;       /* 37 Misc. flags */
  65     HANDLE16   dlls_to_init;  /* 38 List of DLLs to initialize */
  66     HANDLE16   nrname_handle; /* 3a Handle to non-resident name table */
  67     WORD    min_swap_area;    /* 3c Min. swap area size */
  68     WORD    expected_version; /* 3e Expected Windows version */
  69     /* From here, these are extra fields not present in normal Windows */
  70     HMODULE  module32;      /* 40 PE module handle for Win32 modules */
  71     HMODULE16  self;          /* 44 Handle for this module */
  72     WORD    self_loading_sel; /* 46 Selector used for self-loading apps. */
  73     LPVOID  hRsrcMap;         /* HRSRC 16->32 map (for 32-bit modules) */
  74     HANDLE  fd;               /* handle to the binary file */
  75 } NE_MODULE;
  76
  77
  78 typedef struct {
  79     BYTE type;
  80     BYTE flags;
  81     BYTE segnum;
  82     WORD offs;
  83 } ET_ENTRY;
  84
  85 typedef struct {
  86     WORD first; /* ordinal */
  87     WORD last; /* ordinal */
  88     WORD next; /* bundle */
  89 } ET_BUNDLE;
  90
  91
  92   /* In-memory segment table */
  93 typedef struct
  94 {
  95     WORD      filepos;   /* Position in file, in sectors */
  96     WORD      size;      /* Segment size on disk */
  97     WORD      flags;     /* Segment flags */
  98     WORD      minsize;   /* Min. size of segment in memory */
  99     HANDLE16  hSeg;      /* Selector or handle (selector - 1) */
 100                          /* of segment in memory */
 101 } SEGTABLEENTRY;
 102
 103
 104   /* THHOOK Kernel Data Structure */
 105 typedef struct _THHOOK
 106 {
 107     HANDLE16   hGlobalHeap;         /* 00 (handle BURGERMASTER) */
 108     WORD       pGlobalHeap;         /* 02 (selector BURGERMASTER) */
 109     HMODULE16  hExeHead;            /* 04 hFirstModule */
 110     HMODULE16  hExeSweep;           /* 06 (unused) */
 111     HANDLE16   TopPDB;              /* 08 (handle of KERNEL PDB) */
 112     HANDLE16   HeadPDB;             /* 0A (first PDB in list) */
 113     HANDLE16   TopSizePDB;          /* 0C (unused) */
 114     HTASK16    HeadTDB;             /* 0E hFirstTask */
 115     HTASK16    CurTDB;              /* 10 hCurrentTask */
 116     HTASK16    LoadTDB;             /* 12 (unused) */
 117     HTASK16    LockTDB;             /* 14 hLockedTask */
 118 } THHOOK;
 119
 120 extern THHOOK *pThhook;
 121
 122 #include <poppack.h>
 123
 124 /* Resource types */
 125
 126 #define NE_SEG_TABLE(pModule) \
 127     ((SEGTABLEENTRY *)((char *)(pModule) + (pModule)->seg_table))
 128
 129 #define NE_MODULE_NAME(pModule) \
 130     (((OFSTRUCT *)((char*)(pModule) + (pModule)->fileinfo))->szPathName)
 131
 132
 133 enum loadorder_type
 134 {
 135     LOADORDER_INVALID = 0, /* Must be 0 */
 136     LOADORDER_DLL,         /* Native DLLs */
 137     LOADORDER_BI,          /* Built-in modules */
 138     LOADORDER_NTYPES
 139 };
 140
 141 /* return values for MODULE_GetBinaryType */
 142 enum binary_type
 143 {
 144     BINARY_UNKNOWN,
 145     BINARY_PE_EXE,
 146     BINARY_PE_DLL,
 147     BINARY_WIN16,
 148     BINARY_OS216,
 149     BINARY_DOS,
 150     BINARY_UNIX_EXE,
 151     BINARY_UNIX_LIB
 152 };
 153
 154 /* module.c */
 155 extern NTSTATUS MODULE_DllThreadAttach( LPVOID lpReserved );
 156 extern enum binary_type MODULE_GetBinaryType( HANDLE hfile );
 157
 158 /* ne_module.c */
 159 extern NE_MODULE *NE_GetPtr( HMODULE16 hModule );
 160 extern WORD NE_GetOrdinal( HMODULE16 hModule, const char *name );
 161 extern FARPROC16 WINAPI NE_GetEntryPoint( HMODULE16 hModule, WORD ordinal );
 162 extern FARPROC16 NE_GetEntryPointEx( HMODULE16 hModule, WORD ordinal, BOOL16 snoop );
 163 extern BOOL16 NE_SetEntryPoint( HMODULE16 hModule, WORD ordinal, WORD offset );
 164 extern HANDLE NE_OpenFile( NE_MODULE *pModule );
 165 extern DWORD NE_StartTask(void);
 166
 167 /* resource16.c */
 168 extern HGLOBAL16 WINAPI NE_DefResourceHandler(HGLOBAL16,HMODULE16,HRSRC16);
 169
 170 /* ne_segment.c */
 171 extern BOOL NE_LoadSegment( NE_MODULE *pModule, WORD segnum );
 172 extern BOOL NE_LoadAllSegments( NE_MODULE *pModule );
 173 extern BOOL NE_CreateSegment( NE_MODULE *pModule, int segnum );
 174 extern BOOL NE_CreateAllSegments( NE_MODULE *pModule );
 175 extern HINSTANCE16 NE_GetInstance( NE_MODULE *pModule );
 176 extern void NE_InitializeDLLs( HMODULE16 hModule );
 177 extern void NE_DllProcessAttach( HMODULE16 hModule );
 178 extern void NE_CallUserSignalProc( HMODULE16 hModule, UINT16 code );
 179
 180 /* task.c */
 181 extern void TASK_CreateMainTask(void);
 182 extern HTASK16 TASK_SpawnTask( NE_MODULE *pModule, WORD cmdShow,
 183                                LPCSTR cmdline, BYTE len, HANDLE *hThread );
 184 extern void TASK_ExitTask(void);
 185 extern HTASK16 TASK_GetTaskFromThread( DWORD thread );
 186 extern TDB *TASK_GetCurrent(void);
 187 extern void TASK_InstallTHHook( THHOOK *pNewThook );
 188
 189 /* loadorder.c */
 190 extern void MODULE_GetLoadOrderW( enum loadorder_type plo[], const WCHAR *app_name,
 191                                   const WCHAR *path );
 192
 193 #endif  /* __WINE_MODULE_H */