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 <windef.h>
  25 #include <winbase.h>
  26 #include <wine/windef16.h>
  27 #include <wine/winbase16.h>
  28 #include <winternl.h>
  29
  30   /* In-memory module structure. See 'Windows Internals' p. 219 */
  31 typedef struct _NE_MODULE
  32 {
  33     WORD    magic;            /* 00 'NE' signature */
  34     WORD    count;            /* 02 Usage count */
  35     WORD    entry_table;      /* 04 Near ptr to entry table */
  36     HMODULE16  next;          /* 06 Selector to next module */
  37     WORD    dgroup_entry;     /* 08 Near ptr to segment entry for DGROUP */
  38     WORD    fileinfo;         /* 0a Near ptr to file info (OFSTRUCT) */
  39     WORD    flags;            /* 0c Module flags */
  40     WORD    dgroup;           /* 0e Logical segment for DGROUP */
  41     WORD    heap_size;        /* 10 Initial heap size */
  42     WORD    stack_size;       /* 12 Initial stack size */
  43     WORD    ip;               /* 14 Initial ip */
  44     WORD    cs;               /* 16 Initial cs (logical segment) */
  45     WORD    sp;               /* 18 Initial stack pointer */
  46     WORD    ss;               /* 1a Initial ss (logical segment) */
  47     WORD    seg_count;        /* 1c Number of segments in segment table */
  48     WORD    modref_count;     /* 1e Number of module references */
  49     WORD    nrname_size;      /* 20 Size of non-resident names table */
  50     WORD    seg_table;        /* 22 Near ptr to segment table */
  51     WORD    res_table;        /* 24 Near ptr to resource table */
  52     WORD    name_table;       /* 26 Near ptr to resident names table */
  53     WORD    modref_table;     /* 28 Near ptr to module reference table */
  54     WORD    import_table;     /* 2a Near ptr to imported names table */
  55     DWORD   nrname_fpos;      /* 2c File offset of non-resident names table */
  56     WORD    moveable_entries; /* 30 Number of moveable entries in entry table*/
  57     WORD    alignment;        /* 32 Alignment shift count */
  58     WORD    truetype;         /* 34 Set to 2 if TrueType font */
  59     BYTE    os_flags;         /* 36 Operating system flags */
  60     BYTE    misc_flags;       /* 37 Misc. flags */
  61     HANDLE16   dlls_to_init;  /* 38 List of DLLs to initialize */
  62     HANDLE16   nrname_handle; /* 3a Handle to non-resident name table */
  63     WORD    min_swap_area;    /* 3c Min. swap area size */
  64     WORD    expected_version; /* 3e Expected Windows version */
  65     /* From here, these are extra fields not present in normal Windows */
  66     HMODULE  module32;      /* 40 PE module handle for Win32 modules */
  67     HMODULE16  self;          /* 44 Handle for this module */
  68     WORD    self_loading_sel; /* 46 Selector used for self-loading apps. */
  69     LPVOID  hRsrcMap;         /* HRSRC 16->32 map (for 32-bit modules) */
  70 } NE_MODULE;
  71
  72
  73 typedef struct {
  74     BYTE type;
  75     BYTE flags;
  76     BYTE segnum;
  77     WORD offs WINE_PACKED;
  78 } ET_ENTRY;
  79
  80 typedef struct {
  81     WORD first; /* ordinal */
  82     WORD last; /* ordinal */
  83     WORD next; /* bundle */
  84 } ET_BUNDLE;
  85
  86
  87   /* In-memory segment table */
  88 typedef struct
  89 {
  90     WORD      filepos;   /* Position in file, in sectors */
  91     WORD      size;      /* Segment size on disk */
  92     WORD      flags;     /* Segment flags */
  93     WORD      minsize;   /* Min. size of segment in memory */
  94     HANDLE16  hSeg;      /* Selector or handle (selector - 1) */
  95                          /* of segment in memory */
  96 } SEGTABLEENTRY;
  97
  98
  99   /* Self-loading modules contain this structure in their first segment */
 100
 101 #include <pshpack1.h>
 102
 103 typedef struct
 104 {
 105     WORD      version;       /* Must be "A0" (0x3041) */
 106     WORD      reserved;
 107     FARPROC16 BootApp;       /* startup procedure */
 108     FARPROC16 LoadAppSeg;    /* procedure to load a segment */
 109     FARPROC16 reserved2;
 110     FARPROC16 MyAlloc;       /* memory allocation procedure,
 111                               * wine must write this field */
 112     FARPROC16 EntryAddrProc;
 113     FARPROC16 ExitProc;      /* exit procedure */
 114     WORD      reserved3[4];
 115     FARPROC16 SetOwner;      /* Set Owner procedure, exported by wine */
 116 } SELFLOADHEADER;
 117
 118 typedef struct
 119 {
 120     LPSTR lpEnvAddress;
 121     LPSTR lpCmdLine;
 122     UINT16 *lpCmdShow;
 123     DWORD dwReserved;
 124 } LOADPARAMS;
 125
 126 #include <poppack.h>
 127
 128 /* internal representation of 32bit modules. per process. */
 129 typedef struct _wine_modref
 130 {
 131         void                *dlhandle;  /* handle returned by dlopen() */
 132         LDR_MODULE           ldr;
 133
 134         int                     nDeps;
 135         struct _wine_modref     **deps;
 136
 137         char                    *filename;
 138         char                    *modname;
 139         char                    *short_filename;
 140         char                    *short_modname;
 141
 142     char data[1];  /* space for storing filename and short_filename */
 143 } WINE_MODREF;
 144
 145 /* Resource types */
 146
 147 #define NE_SEG_TABLE(pModule) \
 148     ((SEGTABLEENTRY *)((char *)(pModule) + (pModule)->seg_table))
 149
 150 #define NE_MODULE_TABLE(pModule) \
 151     ((WORD *)((char *)(pModule) + (pModule)->modref_table))
 152
 153 #define NE_MODULE_NAME(pModule) \
 154     (((OFSTRUCT *)((char*)(pModule) + (pModule)->fileinfo))->szPathName)
 155
 156
 157 enum loadorder_type
 158 {
 159     LOADORDER_INVALID = 0, /* Must be 0 */
 160     LOADORDER_DLL,         /* Native DLLs */
 161     LOADORDER_BI,          /* Built-in modules */
 162     LOADORDER_NTYPES
 163 };
 164
 165 /* return values for MODULE_GetBinaryType */
 166 enum binary_type
 167 {
 168     BINARY_UNKNOWN,
 169     BINARY_PE_EXE,
 170     BINARY_PE_DLL,
 171     BINARY_WIN16,
 172     BINARY_OS216,
 173     BINARY_DOS,
 174     BINARY_UNIX_EXE,
 175     BINARY_UNIX_LIB
 176 };
 177
 178 /* module.c */
 179 extern NTSTATUS MODULE_DllProcessAttach( WINE_MODREF *wm, LPVOID lpReserved );
 180 extern NTSTATUS MODULE_DllThreadAttach( LPVOID lpReserved );
 181 extern WINE_MODREF *MODULE_FindModule( LPCSTR path );
 182 extern enum binary_type MODULE_GetBinaryType( HANDLE hfile );
 183 extern FARPROC16 WINAPI WIN32_GetProcAddress16( HMODULE hmodule, LPCSTR name );
 184 extern void MODULE_WalkModref( DWORD id );
 185
 186 /* loader/ne/module.c */
 187 extern NE_MODULE *NE_GetPtr( HMODULE16 hModule );
 188 extern void NE_DumpModule( HMODULE16 hModule );
 189 extern void NE_WalkModules(void);
 190 extern void NE_InitResourceHandler( NE_MODULE *pModule );
 191 extern void NE_RegisterModule( NE_MODULE *pModule );
 192 extern WORD NE_GetOrdinal( HMODULE16 hModule, const char *name );
 193 extern FARPROC16 WINAPI NE_GetEntryPoint( HMODULE16 hModule, WORD ordinal );
 194 extern FARPROC16 NE_GetEntryPointEx( HMODULE16 hModule, WORD ordinal, BOOL16 snoop );
 195 extern BOOL16 NE_SetEntryPoint( HMODULE16 hModule, WORD ordinal, WORD offset );
 196 extern HANDLE NE_OpenFile( NE_MODULE *pModule );
 197 extern DWORD NE_StartTask(void);
 198
 199 /* loader/ne/resource.c */
 200 extern HGLOBAL16 WINAPI NE_DefResourceHandler(HGLOBAL16,HMODULE16,HRSRC16);
 201
 202 /* loader/ne/segment.c */
 203 extern BOOL NE_LoadSegment( NE_MODULE *pModule, WORD segnum );
 204 extern BOOL NE_LoadAllSegments( NE_MODULE *pModule );
 205 extern BOOL NE_CreateSegment( NE_MODULE *pModule, int segnum );
 206 extern BOOL NE_CreateAllSegments( NE_MODULE *pModule );
 207 extern HINSTANCE16 NE_GetInstance( NE_MODULE *pModule );
 208 extern void NE_InitializeDLLs( HMODULE16 hModule );
 209 extern void NE_DllProcessAttach( HMODULE16 hModule );
 210 extern void NE_CallUserSignalProc( HMODULE16 hModule, UINT16 code );
 211
 212 /* loader/pe_resource.c */
 213 extern HRSRC PE_FindResourceW(HMODULE,LPCWSTR,LPCWSTR);
 214 extern HRSRC PE_FindResourceExW(HMODULE,LPCWSTR,LPCWSTR,WORD);
 215
 216 /* loader/pe_image.c */
 217 extern NTSTATUS PE_LoadLibraryExA(LPCSTR, DWORD, WINE_MODREF**);
 218 extern HMODULE PE_LoadImage( HANDLE hFile, LPCSTR filename, DWORD flags );
 219 extern WINE_MODREF *PE_CreateModule( HMODULE hModule, LPCSTR filename,
 220                                      DWORD flags, HANDLE hFile, BOOL builtin );
 221 extern DWORD PE_fixup_imports(WINE_MODREF *wm);
 222
 223 /* loader/loadorder.c */
 224 extern BOOL MODULE_GetBuiltinPath( const char *libname, const char *ext, char *filename, UINT size );
 225 extern void MODULE_GetLoadOrder( enum loadorder_type plo[], const char *path, BOOL win32 );
 226 extern void MODULE_AddLoadOrderOption( const char *option );
 227
 228 /* relay32/builtin.c */
 229 extern NTSTATUS BUILTIN32_LoadLibraryExA(LPCSTR name, DWORD flags, WINE_MODREF**);
 230 extern HMODULE BUILTIN32_LoadExeModule( HMODULE main );
 231
 232 #endif  /* __WINE_MODULE_H */