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 "dosexe.h"
  12 #include "pe_image.h"
  13
  14   /* In-memory module structure. See 'Windows Internals' p. 219 */
  15 typedef struct _NE_MODULE
  16 {
  17     WORD    magic;            /* 00 'NE' signature */
  18     WORD    count;            /* 02 Usage count */
  19     WORD    entry_table;      /* 04 Near ptr to entry table */
  20     HMODULE16  next;          /* 06 Selector to next module */
  21     WORD    dgroup_entry;     /* 08 Near ptr to segment entry for DGROUP */
  22     WORD    fileinfo;         /* 0a Near ptr to file info (OFSTRUCT) */
  23     WORD    flags;            /* 0c Module flags */
  24     WORD    dgroup;           /* 0e Logical segment for DGROUP */
  25     WORD    heap_size;        /* 10 Initial heap size */
  26     WORD    stack_size;       /* 12 Initial stack size */
  27     WORD    ip;               /* 14 Initial ip */
  28     WORD    cs;               /* 16 Initial cs (logical segment) */
  29     WORD    sp;               /* 18 Initial stack pointer */
  30     WORD    ss;               /* 1a Initial ss (logical segment) */
  31     WORD    seg_count;        /* 1c Number of segments in segment table */
  32     WORD    modref_count;     /* 1e Number of module references */
  33     WORD    nrname_size;      /* 20 Size of non-resident names table */
  34     WORD    seg_table;        /* 22 Near ptr to segment table */
  35     WORD    res_table;        /* 24 Near ptr to resource table */
  36     WORD    name_table;       /* 26 Near ptr to resident names table */
  37     WORD    modref_table;     /* 28 Near ptr to module reference table */
  38     WORD    import_table;     /* 2a Near ptr to imported names table */
  39     DWORD   nrname_fpos;      /* 2c File offset of non-resident names table */
  40     WORD    moveable_entries; /* 30 Number of moveable entries in entry table*/
  41     WORD    alignment;        /* 32 Alignment shift count */
  42     WORD    truetype;         /* 34 Set to 2 if TrueType font */
  43     BYTE    os_flags;         /* 36 Operating system flags */
  44     BYTE    misc_flags;       /* 37 Misc. flags */
  45     HANDLE16   dlls_to_init;  /* 38 List of DLLs to initialize */
  46     HANDLE16   nrname_handle; /* 3a Handle to non-resident name table */
  47     WORD    min_swap_area;    /* 3c Min. swap area size */
  48     WORD    expected_version; /* 3e Expected Windows version */
  49     /* From here, these are extra fields not present in normal Windows */
  50     HMODULE  module32;      /* 40 PE module handle for Win32 modules */
  51     HMODULE16  self;          /* 44 Handle for this module */
  52     WORD    self_loading_sel; /* 46 Selector used for self-loading apps. */
  53     LPDOSTASK lpDosTask;
  54     LPVOID  dos_image;        /* pointer to DOS memory (for DOS apps) */
  55     LPVOID  hRsrcMap;         /* HRSRC 16->32 map (for 32-bit modules) */
  56 } NE_MODULE;
  57
  58
  59 typedef struct {
  60     BYTE type;
  61     BYTE flags;
  62     BYTE segnum;
  63     WORD offs WINE_PACKED;
  64 } ET_ENTRY;
  65
  66 typedef struct {
  67     WORD first; /* ordinal */
  68     WORD last; /* ordinal */
  69     WORD next; /* bundle */
  70 } ET_BUNDLE;
  71
  72
  73   /* In-memory segment table */
  74 typedef struct
  75 {
  76     WORD      filepos;   /* Position in file, in sectors */
  77     WORD      size;      /* Segment size on disk */
  78     WORD      flags;     /* Segment flags */
  79     WORD      minsize;   /* Min. size of segment in memory */
  80     HANDLE16  hSeg;      /* Selector or handle (selector - 1) */
  81                          /* of segment in memory */
  82 } SEGTABLEENTRY;
  83
  84
  85   /* Self-loading modules contain this structure in their first segment */
  86
  87 #include "pshpack1.h"
  88
  89 typedef struct
  90 {
  91     WORD      version;       /* Must be "A0" (0x3041) */
  92     WORD      reserved;
  93     FARPROC16 BootApp;       /* startup procedure */
  94     FARPROC16 LoadAppSeg;    /* procedure to load a segment */
  95     FARPROC16 reserved2;
  96     FARPROC16 MyAlloc;       /* memory allocation procedure,
  97                               * wine must write this field */
  98     FARPROC16 EntryAddrProc;
  99     FARPROC16 ExitProc;      /* exit procedure */
 100     WORD      reserved3[4];
 101     FARPROC16 SetOwner;      /* Set Owner procedure, exported by wine */
 102 } SELFLOADHEADER;
 103
 104   /* Parameters for LoadModule() */
 105 typedef struct
 106 {
 107     HGLOBAL16 hEnvironment;         /* Environment segment */
 108     SEGPTR    cmdLine WINE_PACKED;  /* Command-line */
 109     SEGPTR    showCmd WINE_PACKED;  /* Code for ShowWindow() */
 110     SEGPTR    reserved WINE_PACKED;
 111 } LOADPARAMS16;
 112
 113 typedef struct
 114 {
 115     LPSTR lpEnvAddress;
 116     LPSTR lpCmdLine;
 117     UINT16 *lpCmdShow;
 118     DWORD dwReserved;
 119 } LOADPARAMS;
 120
 121 #include "poppack.h"
 122
 123 /* internal representation of 32bit modules. per process. */
 124 typedef enum {
 125         MODULE32_PE = 1,
 126         MODULE32_ELF,
 127         MODULE32_ELFDLL,
 128         MODULE32_BI
 129 } MODULE32_TYPE;
 130
 131 typedef struct _wine_modref
 132 {
 133         struct _wine_modref     *next;
 134         struct _wine_modref     *prev;
 135         MODULE32_TYPE           type;
 136         union {
 137                 PE_MODREF       pe;
 138                 ELF_MODREF      elf;
 139         } binfmt;
 140
 141         HMODULE                 module;
 142
 143         int                     nDeps;
 144         struct _wine_modref     **deps;
 145
 146         int                     flags;
 147         int                     refCount;
 148
 149         char                    *filename;
 150         char                    *modname;
 151         char                    *short_filename;
 152         char                    *short_modname;
 153 } WINE_MODREF;
 154
 155 #define WINE_MODREF_INTERNAL              0x00000001
 156 #define WINE_MODREF_NO_DLL_CALLS          0x00000002
 157 #define WINE_MODREF_PROCESS_ATTACHED      0x00000004
 158 #define WINE_MODREF_LOAD_AS_DATAFILE      0x00000010
 159 #define WINE_MODREF_DONT_RESOLVE_REFS     0x00000020
 160 #define WINE_MODREF_MARKER                0x80000000
 161
 162
 163
 164 /* Resource types */
 165 typedef struct resource_typeinfo_s NE_TYPEINFO;
 166 typedef struct resource_nameinfo_s NE_NAMEINFO;
 167
 168 #define NE_SEG_TABLE(pModule) \
 169     ((SEGTABLEENTRY *)((char *)(pModule) + (pModule)->seg_table))
 170
 171 #define NE_MODULE_TABLE(pModule) \
 172     ((WORD *)((char *)(pModule) + (pModule)->modref_table))
 173
 174 #define NE_MODULE_NAME(pModule) \
 175     (((OFSTRUCT *)((char*)(pModule) + (pModule)->fileinfo))->szPathName)
 176
 177 /* module.c */
 178 extern FARPROC MODULE_GetProcAddress( HMODULE hModule, LPCSTR function, BOOL snoop );
 179 extern WINE_MODREF *MODULE32_LookupHMODULE( HMODULE hModule );
 180 extern BOOL MODULE_DllProcessAttach( WINE_MODREF *wm, LPVOID lpReserved );
 181 extern void MODULE_DllProcessDetach( BOOL bForceDetach, LPVOID lpReserved );
 182 extern void MODULE_DllThreadAttach( LPVOID lpReserved );
 183 extern void MODULE_DllThreadDetach( LPVOID lpReserved );
 184 extern WINE_MODREF *MODULE_LoadLibraryExA( LPCSTR libname, HFILE hfile, DWORD flags );
 185 extern BOOL MODULE_FreeLibrary( WINE_MODREF *wm );
 186 extern WINE_MODREF *MODULE_FindModule( LPCSTR path );
 187 extern HMODULE MODULE_CreateDummyModule( LPCSTR filename, WORD version );
 188 extern FARPROC16 WINAPI WIN32_GetProcAddress16( HMODULE hmodule, LPCSTR name );
 189 extern SEGPTR WINAPI HasGPHandler16( SEGPTR address );
 190 extern void MODULE_WalkModref( DWORD id );
 191
 192 /* resource.c */
 193 extern INT       WINAPI AccessResource(HMODULE,HRSRC);
 194
 195 /* loader/ne/module.c */
 196 extern NE_MODULE *NE_GetPtr( HMODULE16 hModule );
 197 extern void NE_DumpModule( HMODULE16 hModule );
 198 extern void NE_WalkModules(void);
 199 extern void NE_RegisterModule( NE_MODULE *pModule );
 200 extern WORD NE_GetOrdinal( HMODULE16 hModule, const char *name );
 201 extern FARPROC16 WINAPI NE_GetEntryPoint( HMODULE16 hModule, WORD ordinal );
 202 extern FARPROC16 NE_GetEntryPointEx( HMODULE16 hModule, WORD ordinal, BOOL16 snoop );
 203 extern BOOL16 NE_SetEntryPoint( HMODULE16 hModule, WORD ordinal, WORD offset );
 204 extern HANDLE NE_OpenFile( NE_MODULE *pModule );
 205 extern BOOL NE_CreateProcess( HANDLE hFile, LPCSTR filename, LPCSTR cmd_line, LPCSTR env,
 206                               LPSECURITY_ATTRIBUTES psa, LPSECURITY_ATTRIBUTES tsa,
 207                               BOOL inherit, DWORD flags, LPSTARTUPINFOA startup,
 208                               LPPROCESS_INFORMATION info );
 209 extern BOOL NE_InitProcess( NE_MODULE *pModule );
 210
 211
 212 /* loader/ne/resource.c */
 213 extern HGLOBAL16 WINAPI NE_DefResourceHandler(HGLOBAL16,HMODULE16,HRSRC16);
 214 extern BOOL NE_InitResourceHandler( HMODULE16 hModule );
 215 extern HRSRC16 NE_FindResource( NE_MODULE *pModule, LPCSTR name, LPCSTR type );
 216 extern INT16 NE_AccessResource( NE_MODULE *pModule, HRSRC16 hRsrc );
 217 extern DWORD NE_SizeofResource( NE_MODULE *pModule, HRSRC16 hRsrc );
 218 extern HGLOBAL16 NE_LoadResource( NE_MODULE *pModule, HRSRC16 hRsrc );
 219 extern BOOL16 NE_FreeResource( NE_MODULE *pModule, HGLOBAL16 handle );
 220 extern NE_TYPEINFO *NE_FindTypeSection( LPBYTE pResTab, NE_TYPEINFO *pTypeInfo, LPCSTR typeId );
 221 extern NE_NAMEINFO *NE_FindResourceFromType( LPBYTE pResTab, NE_TYPEINFO *pTypeInfo, LPCSTR resId );
 222
 223 /* loader/ne/segment.c */
 224 extern BOOL NE_LoadSegment( NE_MODULE *pModule, WORD segnum );
 225 extern BOOL NE_LoadAllSegments( NE_MODULE *pModule );
 226 extern BOOL NE_CreateSegment( NE_MODULE *pModule, int segnum );
 227 extern BOOL NE_CreateAllSegments( NE_MODULE *pModule );
 228 extern HINSTANCE16 NE_GetInstance( NE_MODULE *pModule );
 229 extern void NE_InitializeDLLs( HMODULE16 hModule );
 230 extern void NE_DllProcessAttach( HMODULE16 hModule );
 231
 232 /* loader/ne/convert.c */
 233 HGLOBAL16 NE_LoadPEResource( NE_MODULE *pModule, WORD type, LPVOID bits, DWORD size );
 234
 235 /* relay32/builtin.c */
 236 extern WINE_MODREF *BUILTIN32_LoadLibraryExA(LPCSTR name, DWORD flags);
 237 extern HMODULE16 BUILTIN32_LoadExeModule(void);
 238 extern void BUILTIN32_UnloadLibrary(WINE_MODREF *wm);
 239
 240 #endif  /* __WINE_MODULE_H */