2 * Win32 builtin functions
4 * Copyright 1997 Alexandre Julliard
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.
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.
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
22 #include "wine/port.h"
28 #include <sys/types.h>
29 #ifdef HAVE_SYS_MMAN_H
34 #include "wine/winbase16.h"
35 #include "wine/library.h"
39 #include "wine/server.h"
40 #include "wine/debug.h"
42 WINE_DEFAULT_DEBUG_CHANNEL(module);
43 WINE_DECLARE_DEBUG_CHANNEL(relay);
45 extern void RELAY_SetupDLL( const char *module );
47 static HMODULE main_module;
49 /***********************************************************************
52 void *BUILTIN32_dlopen( const char *name )
57 if (!(handle = wine_dll_load( name, error, sizeof(error) )))
59 if (strstr(error, "cannot open") || strstr(error, "open failed") ||
60 (strstr(error, "Shared object") && strstr(error, "not found"))) {
61 /* The file does not exist -> WARN() */
62 WARN("cannot open .so lib for builtin %s: %s\n", name, error);
64 /* ERR() for all other errors (missing functions, ...) */
65 ERR("failed to load .so lib for builtin %s: %s\n", name, error );
71 /***********************************************************************
74 int BUILTIN32_dlclose( void *handle )
76 /* FIXME: should unregister descriptors first */
77 /* wine_dll_unload( handle ); */
82 /***********************************************************************
85 * Load a library in memory; callback function for wine_dll_register
87 static void load_library( void *base, const char *filename )
89 HMODULE module = (HMODULE)base;
97 ERR("could not map image for %s\n", filename ? filename : "main exe" );
100 if (!(nt = RtlImageNtHeader( module )))
102 ERR( "bad module for %s\n", filename ? filename : "main exe" );
106 if (!(nt->FileHeader.Characteristics & IMAGE_FILE_DLL))
108 /* if we already have an executable, ignore this one */
109 if (!main_module) main_module = module;
110 return; /* don't create the modref here, will be done later on */
113 if (GetModuleHandleA( filename ))
114 MESSAGE( "Warning: loading builtin %s, but native version already present. Expect trouble.\n", filename );
116 len = GetSystemDirectoryA( NULL, 0 );
117 if (!(fullname = HeapAlloc( GetProcessHeap(), 0, len + strlen(filename) + 1 )))
119 ERR( "can't load %s\n", filename );
120 SetLastError( ERROR_OUTOFMEMORY );
123 GetSystemDirectoryA( fullname, len );
124 strcat( fullname, "\\" );
125 strcat( fullname, filename );
127 /* Create 32-bit MODREF */
128 if (!(wm = PE_CreateModule( module, fullname, 0, 0, TRUE )))
130 ERR( "can't load %s\n", filename );
131 HeapFree( GetProcessHeap(), 0, fullname );
132 SetLastError( ERROR_OUTOFMEMORY );
135 TRACE( "loaded %s %p %x\n", fullname, wm, module );
136 HeapFree( GetProcessHeap(), 0, fullname );
137 wm->refCount++; /* we don't support freeing builtin dlls (FIXME)*/
139 /* setup relay debugging entry points */
140 if (TRACE_ON(relay)) RELAY_SetupDLL( (void *)module );
144 /***********************************************************************
145 * BUILTIN32_LoadLibraryExA
147 * Partly copied from the original PE_ version.
150 WINE_MODREF *BUILTIN32_LoadLibraryExA(LPCSTR path, DWORD flags)
153 char dllname[20], *p;
157 /* Fix the name in case we have a full path and extension */
159 if ((p = strrchr( name, '\\' ))) name = p + 1;
160 if ((p = strrchr( name, '/' ))) name = p + 1;
162 if (strlen(name) >= sizeof(dllname)-4) goto error;
164 strcpy( dllname, name );
165 p = strrchr( dllname, '.' );
166 if (!p) strcat( dllname, ".dll" );
167 for (p = dllname; *p; p++) *p = FILE_tolower(*p);
169 if (!(handle = BUILTIN32_dlopen( dllname ))) goto error;
171 if (!(wm = MODULE_FindModule( path ))) wm = MODULE_FindModule( dllname );
174 ERR( "loaded .so but dll %s still not found - 16-bit dll or version conflict.\n", dllname );
175 /* wine_dll_unload( handle );*/
176 SetLastError( ERROR_BAD_EXE_FORMAT );
179 wm->dlhandle = handle;
183 SetLastError( ERROR_FILE_NOT_FOUND );
187 /***********************************************************************
190 * Initialize loading callbacks and return HMODULE of main exe.
191 * 'main' is the main exe in case it was already loaded from a PE file.
193 HMODULE BUILTIN32_LoadExeModule( HMODULE main )
196 wine_dll_set_callback( load_library );
198 MESSAGE( "No built-in EXE module loaded! Did you create a .spec file?\n" );
203 /***********************************************************************
204 * BUILTIN32_RegisterDLL
206 * Register a built-in DLL descriptor.
208 void BUILTIN32_RegisterDLL( const IMAGE_NT_HEADERS *header, const char *filename )
210 extern void __wine_dll_register( const IMAGE_NT_HEADERS *header, const char *filename );
211 __wine_dll_register( header, filename );