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"
38 #include "ntdll_misc.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;
48 static NTSTATUS last_status; /* use to gather all errors in callback */
50 /***********************************************************************
53 * The loader critical section must be locked while calling this function
55 NTSTATUS BUILTIN32_dlopen( const char *name, void** handle)
59 last_status = STATUS_SUCCESS;
60 /* load_library will modify last_status. Note also that load_library can be
61 * called several times, if the .so file we're loading has dependencies.
62 * last_status will gather all the errors we may get while loading all these
65 if (!(*handle = wine_dll_load( name, error, sizeof(error) )))
67 if (strstr(error, "cannot open") || strstr(error, "open failed") ||
68 (strstr(error, "Shared object") && strstr(error, "not found"))) {
69 /* The file does not exist -> WARN() */
70 WARN("cannot open .so lib for builtin %s: %s\n", name, error);
71 last_status = STATUS_NO_SUCH_FILE;
73 /* ERR() for all other errors (missing functions, ...) */
74 ERR("failed to load .so lib for builtin %s: %s\n", name, error );
75 last_status = STATUS_PROCEDURE_NOT_FOUND;
82 /***********************************************************************
85 * Load a library in memory; callback function for wine_dll_register
87 static void load_library( void *base, const char *filename )
90 HMODULE module = (HMODULE)base, ret;
98 ERR("could not map image for %s\n", filename ? filename : "main exe" );
101 if (!(nt = RtlImageNtHeader( module )))
103 ERR( "bad module for %s\n", filename ? filename : "main exe" );
104 last_status = STATUS_INVALID_IMAGE_FORMAT;
108 if (!(nt->FileHeader.Characteristics & IMAGE_FILE_DLL))
110 /* if we already have an executable, ignore this one */
111 if (!main_module) main_module = module;
112 return; /* don't create the modref here, will be done later on */
115 RtlCreateUnicodeStringFromAsciiz(&wstr, filename);
116 if (LdrGetDllHandle(0, 0, &wstr, &ret) == STATUS_SUCCESS)
117 MESSAGE( "Warning: loading builtin %s, but native version already present. "
118 "Expect trouble.\n", filename );
119 RtlFreeUnicodeString( &wstr );
121 len = GetSystemDirectoryA( NULL, 0 );
122 if (!(fullname = RtlAllocateHeap( ntdll_get_process_heap(), 0, len + strlen(filename) + 1 )))
124 ERR( "can't load %s\n", filename );
125 last_status = STATUS_NO_MEMORY;
128 GetSystemDirectoryA( fullname, len );
129 strcat( fullname, "\\" );
130 strcat( fullname, filename );
132 /* Create 32-bit MODREF */
133 if (!(wm = PE_CreateModule( module, fullname, 0, 0, TRUE )))
135 ERR( "can't load %s\n", filename );
136 RtlFreeHeap( ntdll_get_process_heap(), 0, fullname );
137 last_status = STATUS_NO_MEMORY;
140 TRACE( "loaded %s %p %p\n", fullname, wm, module );
141 RtlFreeHeap( ntdll_get_process_heap(), 0, fullname );
143 /* setup relay debugging entry points */
144 if (TRACE_ON(relay)) RELAY_SetupDLL( (void *)module );
148 /***********************************************************************
149 * BUILTIN32_LoadLibraryExA
151 * Partly copied from the original PE_ version.
154 NTSTATUS BUILTIN32_LoadLibraryExA(LPCSTR path, DWORD flags, WINE_MODREF** pwm)
156 char dllname[20], *p;
161 /* Fix the name in case we have a full path and extension */
163 if ((p = strrchr( name, '\\' ))) name = p + 1;
164 if ((p = strrchr( name, '/' ))) name = p + 1;
166 if (strlen(name) >= sizeof(dllname)-4) return STATUS_NO_SUCH_FILE;
168 strcpy( dllname, name );
169 p = strrchr( dllname, '.' );
170 if (!p) strcat( dllname, ".dll" );
171 for (p = dllname; *p; p++) *p = FILE_tolower(*p);
173 if ((nts = BUILTIN32_dlopen( dllname, &handle )) != STATUS_SUCCESS)
176 if (!((*pwm) = MODULE_FindModule( path ))) *pwm = MODULE_FindModule( dllname );
179 ERR( "loaded .so but dll %s still not found - 16-bit dll or version conflict.\n", dllname );
180 /* wine_dll_unload( handle );*/
181 return STATUS_INVALID_IMAGE_FORMAT;
183 (*pwm)->dlhandle = handle;
184 return STATUS_SUCCESS;
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 last_status = STATUS_SUCCESS;
197 wine_dll_set_callback( load_library );
199 MESSAGE( "No built-in EXE module loaded! Did you create a .spec file?\n" );
200 if (last_status != STATUS_SUCCESS)
201 MESSAGE( "Error while processing initial modules\n");