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 "wintypes.h"
  11 #include "pe_image.h"
  12
  13 struct _DOSTASK;
  14
  15   /* In-memory module structure. See 'Windows Internals' p. 219 */
  16 typedef struct _NE_MODULE
  17 {
  18     WORD    magic;            /* 00 'NE' signature */
  19     WORD    count;            /* 02 Usage count */
  20     WORD    entry_table;      /* 04 Near ptr to entry table */
  21     HMODULE16  next;          /* 06 Selector to next module */
  22     WORD    dgroup_entry;     /* 08 Near ptr to segment entry for DGROUP */
  23     WORD    fileinfo;         /* 0a Near ptr to file info (OFSTRUCT) */
  24     WORD    flags;            /* 0c Module flags */
  25     WORD    dgroup;           /* 0e Logical segment for DGROUP */
  26     WORD    heap_size;        /* 10 Initial heap size */
  27     WORD    stack_size;       /* 12 Initial stack size */
  28     WORD    ip;               /* 14 Initial ip */
  29     WORD    cs;               /* 16 Initial cs (logical segment) */
  30     WORD    sp;               /* 18 Initial stack pointer */
  31     WORD    ss;               /* 1a Initial ss (logical segment) */
  32     WORD    seg_count;        /* 1c Number of segments in segment table */
  33     WORD    modref_count;     /* 1e Number of module references */
  34     WORD    nrname_size;      /* 20 Size of non-resident names table */
  35     WORD    seg_table;        /* 22 Near ptr to segment table */
  36     WORD    res_table;        /* 24 Near ptr to resource table */
  37     WORD    name_table;       /* 26 Near ptr to resident names table */
  38     WORD    modref_table;     /* 28 Near ptr to module reference table */
  39     WORD    import_table;     /* 2a Near ptr to imported names table */
  40     DWORD   nrname_fpos;      /* 2c File offset of non-resident names table */
  41     WORD    moveable_entries; /* 30 Number of moveable entries in entry table*/
  42     WORD    alignment;        /* 32 Alignment shift count */
  43     WORD    truetype;         /* 34 Set to 2 if TrueType font */
  44     BYTE    os_flags;         /* 36 Operating system flags */
  45     BYTE    misc_flags;       /* 37 Misc. flags */
  46     HANDLE16   dlls_to_init;  /* 38 List of DLLs to initialize */
  47     HANDLE16   nrname_handle; /* 3a Handle to non-resident name table */
  48     WORD    min_swap_area;    /* 3c Min. swap area size */
  49     WORD    expected_version; /* 3e Expected Windows version */
  50     /* From here, these are extra fields not present in normal Windows */
  51     HMODULE32  module32;      /* 40 PE module handle for Win32 modules */
  52     HMODULE16  self;          /* 44 Handle for this module */
  53     WORD    self_loading_sel; /* 46 Selector used for self-loading apps. */
  54     struct _DOSTASK *lpDosTask;
  55     LPVOID  dos_image;        /* pointer to DOS memory (for DOS apps) */
  56 } NE_MODULE;
  57
  58
  59   /* In-memory segment table */
  60 typedef struct
  61 {
  62     WORD      filepos;   /* Position in file, in sectors */
  63     WORD      size;      /* Segment size on disk */
  64     WORD      flags;     /* Segment flags */
  65     WORD      minsize;   /* Min. size of segment in memory */
  66     HANDLE16  hSeg;      /* Selector or handle (selector - 1) */
  67                          /* of segment in memory */
  68 } SEGTABLEENTRY;
  69
  70
  71   /* Self-loading modules contain this structure in their first segment */
  72
  73 #pragma pack(1)
  74
  75 typedef struct
  76 {
  77     WORD      version;       /* Must be 0xA0 */
  78     WORD      reserved;
  79     FARPROC16 BootApp;       /* startup procedure */
  80     FARPROC16 LoadAppSeg;    /* procedure to load a segment */
  81     FARPROC16 reserved2;
  82     FARPROC16 MyAlloc;       /* memory allocation procedure,
  83                               * wine must write this field */
  84     FARPROC16 EntryAddrProc;
  85     FARPROC16 ExitProc;      /* exit procedure */
  86     WORD      reserved3[4];
  87     FARPROC16 SetOwner;      /* Set Owner procedure, exported by wine */
  88 } SELFLOADHEADER;
  89
  90   /* Parameters for LoadModule() */
  91 typedef struct
  92 {
  93     HGLOBAL16 hEnvironment;         /* Environment segment */
  94     SEGPTR    cmdLine WINE_PACKED;  /* Command-line */
  95     SEGPTR    showCmd WINE_PACKED;  /* Code for ShowWindow() */
  96     SEGPTR    reserved WINE_PACKED;
  97 } LOADPARAMS;
  98
  99 typedef struct
 100 {
 101     LPSTR lpEnvAddress;
 102     LPSTR lpCmdLine;
 103     UINT16 *lpCmdShow;
 104     DWORD dwReserved;
 105 } LOADPARAMS32;
 106
 107 #pragma pack(4)
 108
 109 /* internal representation of 32bit modules. per process. */
 110 typedef enum { MODULE32_PE=1, MODULE32_ELF /* ,... */ } MODULE32_TYPE;
 111 typedef struct _wine_modref
 112 {
 113         struct _wine_modref     *next;
 114         MODULE32_TYPE           type;
 115         union {
 116                 PE_MODREF       pe;
 117                 /* ELF_MODREF   elf; */
 118         } binfmt;
 119
 120         HMODULE32               module;
 121
 122         char                    *modname;
 123         char                    *shortname;
 124         char                    *longname;
 125 } WINE_MODREF;
 126
 127 /* Resource types */
 128 typedef struct resource_typeinfo_s NE_TYPEINFO;
 129 typedef struct resource_nameinfo_s NE_NAMEINFO;
 130
 131 #define NE_SEG_TABLE(pModule) \
 132     ((SEGTABLEENTRY *)((char *)(pModule) + (pModule)->seg_table))
 133
 134 #define NE_MODULE_TABLE(pModule) \
 135     ((WORD *)((char *)(pModule) + (pModule)->modref_table))
 136
 137 #define NE_MODULE_NAME(pModule) \
 138     (((OFSTRUCT *)((char*)(pModule) + (pModule)->fileinfo))->szPathName)
 139
 140 /* module.c */
 141 extern FARPROC32 MODULE_GetProcAddress32( struct _PDB32*pdb,HMODULE32 hModule,LPCSTR function );
 142 extern WINE_MODREF *MODULE32_LookupHMODULE( struct _PDB32 *process, HMODULE32 hModule );
 143 extern HMODULE32 MODULE_FindModule32( struct _PDB32 *process, LPCSTR path );
 144 extern HMODULE32 MODULE_CreateDummyModule( const OFSTRUCT *ofs );
 145 extern FARPROC16 MODULE_GetWndProcEntry16( const char *name );
 146 extern FARPROC16 WINAPI WIN32_GetProcAddress16( HMODULE32 hmodule, LPCSTR name );
 147 extern SEGPTR WINAPI HasGPHandler( SEGPTR address );
 148
 149 /* loader/ne/module.c */
 150 extern NE_MODULE *NE_GetPtr( HMODULE16 hModule );
 151 extern void NE_DumpModule( HMODULE16 hModule );
 152 extern void NE_WalkModules(void);
 153 extern void NE_RegisterModule( NE_MODULE *pModule );
 154 extern WORD NE_GetOrdinal( HMODULE16 hModule, const char *name );
 155 extern FARPROC16 NE_GetEntryPoint( HMODULE16 hModule, WORD ordinal );
 156 extern BOOL16 NE_SetEntryPoint( HMODULE16 hModule, WORD ordinal, WORD offset );
 157 extern int NE_OpenFile( NE_MODULE *pModule );
 158 extern HINSTANCE16 NE_LoadModule( LPCSTR name, HINSTANCE16 *hPrevInstance,
 159                                   BOOL32 implicit, BOOL32 lib_only );
 160
 161 /* loader/ne/resource.c */
 162 extern HGLOBAL16 WINAPI NE_DefResourceHandler(HGLOBAL16,HMODULE16,HRSRC16);
 163 extern BOOL32 NE_InitResourceHandler( HMODULE16 hModule );
 164
 165 /* loader/ne/segment.c */
 166 extern BOOL32 NE_LoadSegment( NE_MODULE *pModule, WORD segnum );
 167 extern BOOL32 NE_LoadAllSegments( NE_MODULE *pModule );
 168 extern void NE_FixupPrologs( NE_MODULE *pModule );
 169 extern void NE_InitializeDLLs( HMODULE16 hModule );
 170 extern BOOL32 NE_CreateSegments( NE_MODULE *pModule );
 171 extern HINSTANCE16 NE_CreateInstance( NE_MODULE *pModule, HINSTANCE16 *prev,
 172                                       BOOL32 lib_only );
 173
 174 /* if1632/builtin.c */
 175 extern BOOL32 BUILTIN_Init(void);
 176 extern HMODULE16 BUILTIN_LoadModule( LPCSTR name, BOOL32 force );
 177 extern LPCSTR BUILTIN_GetEntryPoint16( WORD cs, WORD ip, WORD *pOrd );
 178 extern BOOL32 BUILTIN_ParseDLLOptions( const char *str );
 179 extern void BUILTIN_PrintDLLs(void);
 180
 181 /* relay32/builtin.c */
 182 extern HMODULE32 BUILTIN32_LoadModule( LPCSTR name, BOOL32 force,
 183                                        struct _PDB32 *process );
 184
 185 /* if1632/builtin.c */
 186 extern HMODULE16 (*fnBUILTIN_LoadModule)(LPCSTR name, BOOL32 force);
 187
 188 #endif  /* __WINE_MODULE_H */