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 "winbase.h"
  12 #include "wine/windef16.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     LPVOID  hRsrcMap;         /* HRSRC 16->32 map (for 32-bit modules) */
  54 } NE_MODULE;
  55
  56
  57 typedef struct {
  58     BYTE type;
  59     BYTE flags;
  60     BYTE segnum;
  61     WORD offs WINE_PACKED;
  62 } ET_ENTRY;
  63
  64 typedef struct {
  65     WORD first; /* ordinal */
  66     WORD last; /* ordinal */
  67     WORD next; /* bundle */
  68 } ET_BUNDLE;
  69
  70
  71   /* In-memory segment table */
  72 typedef struct
  73 {
  74     WORD      filepos;   /* Position in file, in sectors */
  75     WORD      size;      /* Segment size on disk */
  76     WORD      flags;     /* Segment flags */
  77     WORD      minsize;   /* Min. size of segment in memory */
  78     HANDLE16  hSeg;      /* Selector or handle (selector - 1) */
  79                          /* of segment in memory */
  80 } SEGTABLEENTRY;
  81
  82
  83   /* Self-loading modules contain this structure in their first segment */
  84
  85 #include "pshpack1.h"
  86
  87 typedef struct
  88 {
  89     WORD      version;       /* Must be "A0" (0x3041) */
  90     WORD      reserved;
  91     FARPROC16 BootApp;       /* startup procedure */
  92     FARPROC16 LoadAppSeg;    /* procedure to load a segment */
  93     FARPROC16 reserved2;
  94     FARPROC16 MyAlloc;       /* memory allocation procedure,
  95                               * wine must write this field */
  96     FARPROC16 EntryAddrProc;
  97     FARPROC16 ExitProc;      /* exit procedure */
  98     WORD      reserved3[4];
  99     FARPROC16 SetOwner;      /* Set Owner procedure, exported by wine */
 100 } SELFLOADHEADER;
 101
 102   /* Parameters for LoadModule() */
 103 typedef struct
 104 {
 105     HGLOBAL16 hEnvironment;         /* Environment segment */
 106     SEGPTR    cmdLine WINE_PACKED;  /* Command-line */
 107     SEGPTR    showCmd WINE_PACKED;  /* Code for ShowWindow() */
 108     SEGPTR    reserved WINE_PACKED;
 109 } LOADPARAMS16;
 110
 111 typedef struct
 112 {
 113     LPSTR lpEnvAddress;
 114     LPSTR lpCmdLine;
 115     UINT16 *lpCmdShow;
 116     DWORD dwReserved;
 117 } LOADPARAMS;
 118
 119 #include "poppack.h"
 120
 121 /* internal representation of 32bit modules. per process. */
 122 typedef struct _wine_modref
 123 {
 124         struct _wine_modref *next;
 125         struct _wine_modref *prev;
 126         HMODULE              module;
 127         HMODULE16            hDummyMod; /* Win16 dummy module */
 128         void                *dlhandle;  /* handle returned by dlopen() */
 129         int                  tlsindex;  /* TLS index or -1 if none */
 130
 131         FARPROC            (*find_export)( struct _wine_modref *wm, LPCSTR func, BOOL snoop );
 132
 133         int                     nDeps;
 134         struct _wine_modref     **deps;
 135
 136         int                     flags;
 137         int                     refCount;
 138
 139         char                    *filename;
 140         char                    *modname;
 141         char                    *short_filename;
 142         char                    *short_modname;
 143 } WINE_MODREF;
 144
 145 #define WINE_MODREF_INTERNAL              0x00000001
 146 #define WINE_MODREF_NO_DLL_CALLS          0x00000002
 147 #define WINE_MODREF_PROCESS_ATTACHED      0x00000004
 148 #define WINE_MODREF_DONT_RESOLVE_REFS     0x00000020
 149 #define WINE_MODREF_MARKER                0x80000000
 150
 151
 152 /* Resource types */
 153 typedef struct resource_typeinfo_s NE_TYPEINFO;
 154 typedef struct resource_nameinfo_s NE_NAMEINFO;
 155
 156 #define NE_SEG_TABLE(pModule) \
 157     ((SEGTABLEENTRY *)((char *)(pModule) + (pModule)->seg_table))
 158
 159 #define NE_MODULE_TABLE(pModule) \
 160     ((WORD *)((char *)(pModule) + (pModule)->modref_table))
 161
 162 #define NE_MODULE_NAME(pModule) \
 163     (((OFSTRUCT *)((char*)(pModule) + (pModule)->fileinfo))->szPathName)
 164
 165 #define PE_HEADER(module) \
 166     ((IMAGE_NT_HEADERS*)((LPBYTE)(module) + \
 167                          (((IMAGE_DOS_HEADER*)(module))->e_lfanew)))
 168
 169 #define PE_SECTIONS(module) \
 170     ((IMAGE_SECTION_HEADER*)((LPBYTE)&PE_HEADER(module)->OptionalHeader + \
 171                            PE_HEADER(module)->FileHeader.SizeOfOptionalHeader))
 172
 173 /* module.c */
 174 extern WINE_MODREF *MODULE_AllocModRef( HMODULE hModule, LPCSTR filename );
 175 extern FARPROC MODULE_GetProcAddress( HMODULE hModule, LPCSTR function, BOOL snoop );
 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 HMODULE MODULE_CreateDummyModule( LPCSTR filename, HMODULE module32 );
 184 extern FARPROC16 WINAPI WIN32_GetProcAddress16( HMODULE hmodule, LPCSTR name );
 185 extern SEGPTR WINAPI HasGPHandler16( SEGPTR address );
 186 extern void MODULE_WalkModref( DWORD id );
 187
 188 /* loader/ne/module.c */
 189 extern NE_MODULE *NE_GetPtr( HMODULE16 hModule );
 190 extern void NE_DumpModule( HMODULE16 hModule );
 191 extern void NE_WalkModules(void);
 192 extern void NE_RegisterModule( NE_MODULE *pModule );
 193 extern WORD NE_GetOrdinal( HMODULE16 hModule, const char *name );
 194 extern FARPROC16 WINAPI NE_GetEntryPoint( HMODULE16 hModule, WORD ordinal );
 195 extern FARPROC16 NE_GetEntryPointEx( HMODULE16 hModule, WORD ordinal, BOOL16 snoop );
 196 extern BOOL16 NE_SetEntryPoint( HMODULE16 hModule, WORD ordinal, WORD offset );
 197 extern HANDLE NE_OpenFile( NE_MODULE *pModule );
 198
 199 /* loader/ne/resource.c */
 200 extern HGLOBAL16 WINAPI NE_DefResourceHandler(HGLOBAL16,HMODULE16,HRSRC16);
 201 extern BOOL NE_InitResourceHandler( HMODULE16 hModule );
 202 extern HRSRC16 NE_FindResource( NE_MODULE *pModule, LPCSTR name, LPCSTR type );
 203 extern DWORD NE_SizeofResource( NE_MODULE *pModule, HRSRC16 hRsrc );
 204 extern HGLOBAL16 NE_LoadResource( NE_MODULE *pModule, HRSRC16 hRsrc );
 205 extern BOOL16 NE_FreeResource( NE_MODULE *pModule, HGLOBAL16 handle );
 206 extern NE_TYPEINFO *NE_FindTypeSection( LPBYTE pResTab, NE_TYPEINFO *pTypeInfo, LPCSTR typeId );
 207 extern NE_NAMEINFO *NE_FindResourceFromType( LPBYTE pResTab, NE_TYPEINFO *pTypeInfo, LPCSTR resId );
 208
 209 /* loader/ne/segment.c */
 210 extern BOOL NE_LoadSegment( NE_MODULE *pModule, WORD segnum );
 211 extern BOOL NE_LoadAllSegments( NE_MODULE *pModule );
 212 extern BOOL NE_CreateSegment( NE_MODULE *pModule, int segnum );
 213 extern BOOL NE_CreateAllSegments( NE_MODULE *pModule );
 214 extern HINSTANCE16 NE_GetInstance( NE_MODULE *pModule );
 215 extern void NE_InitializeDLLs( HMODULE16 hModule );
 216 extern void NE_DllProcessAttach( HMODULE16 hModule );
 217
 218 /* loader/ne/convert.c */
 219 HGLOBAL16 NE_LoadPEResource( NE_MODULE *pModule, WORD type, LPVOID bits, DWORD size );
 220
 221 /* loader/pe_resource.c */
 222 extern HRSRC PE_FindResourceW(HMODULE,LPCWSTR,LPCWSTR);
 223 extern HRSRC PE_FindResourceExW(HMODULE,LPCWSTR,LPCWSTR,WORD);
 224 extern DWORD PE_SizeofResource(HRSRC);
 225 extern HGLOBAL PE_LoadResource(HMODULE,HRSRC);
 226
 227 /* loader/pe_image.c */
 228 extern WINE_MODREF *PE_LoadLibraryExA(LPCSTR, DWORD);
 229 extern HMODULE PE_LoadImage( HANDLE hFile, LPCSTR filename, DWORD flags );
 230 extern WINE_MODREF *PE_CreateModule( HMODULE hModule, LPCSTR filename,
 231                                      DWORD flags, HFILE hFile, BOOL builtin );
 232 extern void PE_InitTls(void);
 233 extern BOOL PE_InitDLL( HMODULE module, DWORD type, LPVOID lpReserved );
 234
 235 /* loader/elf.c */
 236 extern WINE_MODREF *ELF_LoadLibraryExA( LPCSTR libname, DWORD flags);
 237
 238 /* relay32/builtin.c */
 239 extern WINE_MODREF *BUILTIN32_LoadLibraryExA(LPCSTR name, DWORD flags);
 240 extern HMODULE BUILTIN32_LoadExeModule( HMODULE main );
 241 extern void *BUILTIN32_dlopen( const char *name );
 242 extern int BUILTIN32_dlclose( void *handle );
 243
 244 #endif  /* __WINE_MODULE_H */