include/module.h

   1 /*
   2  * Module definitions
   3  *
   4  * Copyright 1995 Alexandre Julliard
   5  */
   6
   7 #ifndef __WINE_MODULE_H
   8 #define __WINE_MODULE_H
   9
  10 #include "windef.h"
  11 #include "pe_image.h"
  12
  13   /* In-memory module structure. See 'Windows Internals' p. 219 */
  14 typedef struct _NE_MODULE
  15 {
  16     WORD    magic;            /* 00 'NE' signature */
  17     WORD    count;            /* 02 Usage count */
  18     WORD    entry_table;      /* 04 Near ptr to entry table */
  19     HMODULE16  next;          /* 06 Selector to next module */
  20     WORD    dgroup_entry;     /* 08 Near ptr to segment entry for DGROUP */
  21     WORD    fileinfo;         /* 0a Near ptr to file info (OFSTRUCT) */
  22     WORD    flags;            /* 0c Module flags */
  23     WORD    dgroup;           /* 0e Logical segment for DGROUP */
  24     WORD    heap_size;        /* 10 Initial heap size */
  25     WORD    stack_size;       /* 12 Initial stack size */
  26     WORD    ip;               /* 14 Initial ip */
  27     WORD    cs;               /* 16 Initial cs (logical segment) */
  28     WORD    sp;               /* 18 Initial stack pointer */
  29     WORD    ss;               /* 1a Initial ss (logical segment) */
  30     WORD    seg_count;        /* 1c Number of segments in segment table */
  31     WORD    modref_count;     /* 1e Number of module references */
  32     WORD    nrname_size;      /* 20 Size of non-resident names table */
  33     WORD    seg_table;        /* 22 Near ptr to segment table */
  34     WORD    res_table;        /* 24 Near ptr to resource table */
  35     WORD    name_table;       /* 26 Near ptr to resident names table */
  36     WORD    modref_table;     /* 28 Near ptr to module reference table */
  37     WORD    import_table;     /* 2a Near ptr to imported names table */
  38     DWORD   nrname_fpos;      /* 2c File offset of non-resident names table */
  39     WORD    moveable_entries; /* 30 Number of moveable entries in entry table*/
  40     WORD    alignment;        /* 32 Alignment shift count */
  41     WORD    truetype;         /* 34 Set to 2 if TrueType font */
  42     BYTE    os_flags;         /* 36 Operating system flags */
  43     BYTE    misc_flags;       /* 37 Misc. flags */
  44     HANDLE16   dlls_to_init;  /* 38 List of DLLs to initialize */
  45     HANDLE16   nrname_handle; /* 3a Handle to non-resident name table */
  46     WORD    min_swap_area;    /* 3c Min. swap area size */
  47     WORD    expected_version; /* 3e Expected Windows version */
  48     /* From here, these are extra fields not present in normal Windows */
  49     HMODULE  module32;      /* 40 PE module handle for Win32 modules */
  50     HMODULE16  self;          /* 44 Handle for this module */
  51     WORD    self_loading_sel; /* 46 Selector used for self-loading apps. */
  52     LPVOID  hRsrcMap;         /* HRSRC 16->32 map (for 32-bit modules) */
  53 } NE_MODULE;
  54
  55
  56 typedef struct {
  57     BYTE type;
  58     BYTE flags;
  59     BYTE segnum;
  60     WORD offs WINE_PACKED;
  61 } ET_ENTRY;
  62
  63 typedef struct {
  64     WORD first; /* ordinal */
  65     WORD last; /* ordinal */
  66     WORD next; /* bundle */
  67 } ET_BUNDLE;
  68
  69
  70   /* In-memory segment table */
  71 typedef struct
  72 {
  73     WORD      filepos;   /* Position in file, in sectors */
  74     WORD      size;      /* Segment size on disk */
  75     WORD      flags;     /* Segment flags */
  76     WORD      minsize;   /* Min. size of segment in memory */
  77     HANDLE16  hSeg;      /* Selector or handle (selector - 1) */
  78                          /* of segment in memory */
  79 } SEGTABLEENTRY;
  80
  81
  82   /* Self-loading modules contain this structure in their first segment */
  83
  84 #include "pshpack1.h"
  85
  86 typedef struct
  87 {
  88     WORD      version;       /* Must be "A0" (0x3041) */
  89     WORD      reserved;
  90     FARPROC16 BootApp;       /* startup procedure */
  91     FARPROC16 LoadAppSeg;    /* procedure to load a segment */
  92     FARPROC16 reserved2;
  93     FARPROC16 MyAlloc;       /* memory allocation procedure,
  94                               * wine must write this field */
  95     FARPROC16 EntryAddrProc;
  96     FARPROC16 ExitProc;      /* exit procedure */
  97     WORD      reserved3[4];
  98     FARPROC16 SetOwner;      /* Set Owner procedure, exported by wine */
  99 } SELFLOADHEADER;
 100
 101   /* Parameters for LoadModule() */
 102 typedef struct
 103 {
 104     HGLOBAL16 hEnvironment;         /* Environment segment */
 105     SEGPTR    cmdLine WINE_PACKED;  /* Command-line */
 106     SEGPTR    showCmd WINE_PACKED;  /* Code for ShowWindow() */
 107     SEGPTR    reserved WINE_PACKED;
 108 } LOADPARAMS16;
 109
 110 typedef struct
 111 {
 112     LPSTR lpEnvAddress;
 113     LPSTR lpCmdLine;
 114     UINT16 *lpCmdShow;
 115     DWORD dwReserved;
 116 } LOADPARAMS;
 117
 118 #include "poppack.h"
 119
 120 /* internal representation of 32bit modules. per process. */
 121 typedef enum {
 122         MODULE32_PE = 1,
 123         MODULE32_ELF,
 124         MODULE32_ELFDLL
 125 } MODULE32_TYPE;
 126
 127 typedef struct _wine_modref
 128 {
 129         struct _wine_modref     *next;
 130         struct _wine_modref     *prev;
 131         MODULE32_TYPE           type;
 132         union {
 133                 PE_MODREF       pe;
 134                 ELF_MODREF      elf;
 135         } binfmt;
 136
 137         HMODULE                 module;
 138
 139         int                     nDeps;
 140         struct _wine_modref     **deps;
 141
 142         int                     flags;
 143         int                     refCount;
 144
 145         char                    *filename;
 146         char                    *modname;
 147         char                    *short_filename;
 148         char                    *short_modname;
 149 } WINE_MODREF;
 150
 151 #define WINE_MODREF_INTERNAL              0x00000001
 152 #define WINE_MODREF_NO_DLL_CALLS          0x00000002
 153 #define WINE_MODREF_PROCESS_ATTACHED      0x00000004
 154 #define WINE_MODREF_LOAD_AS_DATAFILE      0x00000010
 155 #define WINE_MODREF_DONT_RESOLVE_REFS     0x00000020
 156 #define WINE_MODREF_MARKER                0x80000000
 157
 158
 159
 160 /* Resource types */
 161 typedef struct resource_typeinfo_s NE_TYPEINFO;
 162 typedef struct resource_nameinfo_s NE_NAMEINFO;
 163
 164 #define NE_SEG_TABLE(pModule) \
 165     ((SEGTABLEENTRY *)((char *)(pModule) + (pModule)->seg_table))
 166
 167 #define NE_MODULE_TABLE(pModule) \
 168     ((WORD *)((char *)(pModule) + (pModule)->modref_table))
 169
 170 #define NE_MODULE_NAME(pModule) \
 171     (((OFSTRUCT *)((char*)(pModule) + (pModule)->fileinfo))->szPathName)
 172
 173 /* module.c */
 174 extern FARPROC MODULE_GetProcAddress( HMODULE hModule, LPCSTR function, BOOL snoop );
 175 extern WINE_MODREF *MODULE32_LookupHMODULE( HMODULE hModule );
 176 extern BOOL MODULE_DllProcessAttach( WINE_MODREF *wm, LPVOID lpReserved );
 177 extern void MODULE_DllProcessDetach( BOOL bForceDetach, LPVOID lpReserved );
 178 extern void MODULE_DllThreadAttach( LPVOID lpReserved );
 179 extern void MODULE_DllThreadDetach( LPVOID lpReserved );
 180 extern WINE_MODREF *MODULE_LoadLibraryExA( LPCSTR libname, HFILE hfile, DWORD flags );
 181 extern BOOL MODULE_FreeLibrary( WINE_MODREF *wm );
 182 extern WINE_MODREF *MODULE_FindModule( LPCSTR path );
 183 extern BOOL MODULE_GetBinaryType( HANDLE hfile, LPCSTR filename, LPDWORD lpBinaryType );
 184 extern HMODULE MODULE_CreateDummyModule( LPCSTR filename, HMODULE module32 );
 185 extern FARPROC16 WINAPI WIN32_GetProcAddress16( HMODULE hmodule, LPCSTR name );
 186 extern SEGPTR WINAPI HasGPHandler16( SEGPTR address );
 187 extern void MODULE_WalkModref( DWORD id );
 188
 189 /* resource.c */
 190 extern INT       WINAPI AccessResource(HMODULE,HRSRC);
 191
 192 /* loader/ne/module.c */
 193 extern NE_MODULE *NE_GetPtr( HMODULE16 hModule );
 194 extern void NE_DumpModule( HMODULE16 hModule );
 195 extern void NE_WalkModules(void);
 196 extern void NE_RegisterModule( NE_MODULE *pModule );
 197 extern WORD NE_GetOrdinal( HMODULE16 hModule, const char *name );
 198 extern FARPROC16 WINAPI NE_GetEntryPoint( HMODULE16 hModule, WORD ordinal );
 199 extern FARPROC16 NE_GetEntryPointEx( HMODULE16 hModule, WORD ordinal, BOOL16 snoop );
 200 extern BOOL16 NE_SetEntryPoint( HMODULE16 hModule, WORD ordinal, WORD offset );
 201 extern HANDLE NE_OpenFile( NE_MODULE *pModule );
 202
 203 /* loader/ne/resource.c */
 204 extern HGLOBAL16 WINAPI NE_DefResourceHandler(HGLOBAL16,HMODULE16,HRSRC16);
 205 extern BOOL NE_InitResourceHandler( HMODULE16 hModule );
 206 extern HRSRC16 NE_FindResource( NE_MODULE *pModule, LPCSTR name, LPCSTR type );
 207 extern INT16 NE_AccessResource( NE_MODULE *pModule, HRSRC16 hRsrc );
 208 extern DWORD NE_SizeofResource( NE_MODULE *pModule, HRSRC16 hRsrc );
 209 extern HGLOBAL16 NE_LoadResource( NE_MODULE *pModule, HRSRC16 hRsrc );
 210 extern BOOL16 NE_FreeResource( NE_MODULE *pModule, HGLOBAL16 handle );
 211 extern NE_TYPEINFO *NE_FindTypeSection( LPBYTE pResTab, NE_TYPEINFO *pTypeInfo, LPCSTR typeId );
 212 extern NE_NAMEINFO *NE_FindResourceFromType( LPBYTE pResTab, NE_TYPEINFO *pTypeInfo, LPCSTR resId );
 213
 214 /* loader/ne/segment.c */
 215 extern BOOL NE_LoadSegment( NE_MODULE *pModule, WORD segnum );
 216 extern BOOL NE_LoadAllSegments( NE_MODULE *pModule );
 217 extern BOOL NE_CreateSegment( NE_MODULE *pModule, int segnum );
 218 extern BOOL NE_CreateAllSegments( NE_MODULE *pModule );
 219 extern HINSTANCE16 NE_GetInstance( NE_MODULE *pModule );
 220 extern void NE_InitializeDLLs( HMODULE16 hModule );
 221 extern void NE_DllProcessAttach( HMODULE16 hModule );
 222
 223 /* loader/ne/convert.c */
 224 HGLOBAL16 NE_LoadPEResource( NE_MODULE *pModule, WORD type, LPVOID bits, DWORD size );
 225
 226 /* relay32/builtin.c */
 227 extern WINE_MODREF *BUILTIN32_LoadLibraryExA(LPCSTR name, DWORD flags);
 228 extern HMODULE BUILTIN32_LoadExeModule(void);
 229 extern void BUILTIN32_UnloadLibrary(WINE_MODREF *wm);
 230 extern void *BUILTIN32_dlopen( const char *name );
 231 extern int BUILTIN32_dlclose( void *handle );
 232
 233 #endif  /* __WINE_MODULE_H */