2 * Module/Library loadorder
4 * Copyright 1999 Bertho Stultiens
14 #include "loadorder.h"
19 #include "debugtools.h"
21 DEFAULT_DEBUG_CHANNEL(module);
24 /* #define DEBUG_LOADORDER */
26 #define LOADORDER_ALLOC_CLUSTER 32 /* Allocate with 32 entries at a time */
28 static module_loadorder_t default_loadorder;
29 static module_loadorder_t *module_loadorder = NULL;
30 static int nmodule_loadorder = 0;
31 static int nmodule_loadorder_alloc = 0;
33 /* DLL order is irrelevant ! Gets sorted later. */
34 static struct tagDllOverride {
36 } DefaultDllOverrides[] = {
38 {"kernel32,gdi32,user32", "builtin"},
39 {"krnl386,gdi,user", "builtin"},
40 {"toolhelp", "builtin"},
41 {"windebug", "native,builtin"},
42 {"system,display", "builtin"},
43 {"w32skrnl,wow32", "builtin"},
44 {"advapi32,crtdll,ntdll", "builtin,native"},
45 {"lz32,lzexpand", "builtin,native"},
46 {"version,ver", "builtin,native"},
48 {"comdlg32,commdlg", "builtin,native"},
49 {"shell32,shell", "builtin,native"},
50 {"shlwapi", "native,builtin"},
51 {"shfolder", "builtin,native"},
52 {"comctl32,commctrl", "builtin,native"},
54 {"wsock32,ws2_32,winsock", "builtin"},
57 {"ddraw,dinput,dsound", "builtin,native"},
58 {"winmm,mmsystem", "builtin"},
59 {"msvfw32,msvideo", "builtin,native"},
60 {"mcicda.drv,mciseq.drv", "builtin,native"},
61 {"mciwave.drv", "builtin,native"},
62 {"mciavi.drv,mcianim.drv", "native,builtin"},
63 {"msacm.drv,midimap.drv", "builtin,native"},
64 {"opengl32", "builtin,native"},
65 /* we have to use libglideXx.so instead of glideXx.dll ... */
66 {"glide2x,glide3x", "so,native"},
68 {"mpr,winspool.drv", "builtin,native"},
69 {"wnaspi32,winaspi", "builtin"},
70 {"odbc32", "builtin"},
71 {"rpcrt4", "native,builtin"},
72 /* non-windows DLLs */
73 {"wineps,wprocs,x11drv", "builtin"},
77 static const struct tagDllPair {
78 const char *dll1, *dll2;
80 { "krnl386", "kernel32" },
83 { "commdlg", "comdlg32" },
84 { "commctrl", "comctl32" },
86 { "shell", "shell32" },
87 { "lzexpand", "lz32" },
88 { "mmsystem", "winmm" },
89 { "msvideo", "msvfw32" },
90 { "winsock", "wsock32" },
94 /***************************************************************************
95 * cmp_sort_func (internal, static)
97 * Sorting and comparing function used in sort and search of loadorder
100 static int cmp_sort_func(const void *s1, const void *s2)
102 return FILE_strcasecmp(((module_loadorder_t *)s1)->modulename,
103 ((module_loadorder_t *)s2)->modulename);
107 /***************************************************************************
108 * get_tok (internal, static)
110 * strtok wrapper for non-destructive buffer writing.
111 * NOTE: strtok is not reentrant and therefore this code is neither.
113 static char *get_tok(const char *str, const char *delim)
115 static char *buf = NULL;
123 HeapFree(GetProcessHeap(), 0, buf);
129 buf = HEAP_strdupA(GetProcessHeap(), 0, str);
130 cptr = strtok(buf, delim);
134 cptr = strtok(NULL, delim);
139 HeapFree(GetProcessHeap(), 0, buf);
146 /***************************************************************************
147 * ParseLoadOrder (internal, static)
149 * Parses the loadorder options from the configuration and puts it into
152 static BOOL ParseLoadOrder(char *order, module_loadorder_t *mlo)
158 memset(mlo->loadorder, 0, sizeof(mlo->loadorder));
160 cptr = get_tok(order, ", \t");
163 char type = MODULE_LOADORDER_INVALID;
165 if(n >= MODULE_LOADORDER_NTYPES)
167 ERR("More than existing %d module-types specified, rest ignored", MODULE_LOADORDER_NTYPES);
173 case 'N': /* Native */
174 case 'n': type = MODULE_LOADORDER_DLL; break;
176 case 'E': /* Elfdll */
178 if (!warn++) MESSAGE("Load order 'elfdll' no longer support, ignored\n");
181 case 's': type = MODULE_LOADORDER_SO; break;
183 case 'B': /* Builtin */
184 case 'b': type = MODULE_LOADORDER_BI; break;
187 ERR("Invalid load order module-type '%s', ignored\n", cptr);
190 if(type != MODULE_LOADORDER_INVALID)
192 mlo->loadorder[n++] = type;
194 cptr = get_tok(NULL, ", \t");
200 /***************************************************************************
201 * AddLoadOrder (internal, static)
203 * Adds an entry in the list of overrides. If the entry exists, then the
204 * override parameter determines whether it will be overwritten.
206 static BOOL AddLoadOrder(module_loadorder_t *plo, BOOL override)
210 /* TRACE(module, "'%s' -> %08lx\n", plo->modulename, *(DWORD *)(plo->loadorder)); */
212 for(i = 0; i < nmodule_loadorder; i++)
214 if(!cmp_sort_func(plo, &module_loadorder[i]))
217 ERR("Module '%s' is already in the list of overrides, using first definition\n", plo->modulename);
219 memcpy(module_loadorder[i].loadorder, plo->loadorder, sizeof(plo->loadorder));
224 if(nmodule_loadorder >= nmodule_loadorder_alloc)
226 /* No space in current array, make it larger */
227 nmodule_loadorder_alloc += LOADORDER_ALLOC_CLUSTER;
228 module_loadorder = (module_loadorder_t *)HeapReAlloc(GetProcessHeap(),
231 nmodule_loadorder_alloc * sizeof(module_loadorder_t));
232 if(!module_loadorder)
234 MESSAGE("Virtual memory exhausted\n");
238 memcpy(module_loadorder[nmodule_loadorder].loadorder, plo->loadorder, sizeof(plo->loadorder));
239 module_loadorder[nmodule_loadorder].modulename = HEAP_strdupA(GetProcessHeap(), 0, plo->modulename);
245 /***************************************************************************
246 * AddLoadOrderSet (internal, static)
248 * Adds a set of entries in the list of overrides from the key parameter.
249 * If the entry exists, then the override parameter determines whether it
250 * will be overwritten.
252 static BOOL AddLoadOrderSet(char *key, char *order, BOOL override)
254 module_loadorder_t ldo;
257 /* Parse the loadorder before the rest because strtok is not reentrant */
258 if(!ParseLoadOrder(order, &ldo))
261 cptr = get_tok(key, ", \t");
264 char *ext = strrchr(cptr, '.');
267 if(strlen(ext) == 4 &&
268 (!FILE_strcasecmp(ext, ".dll") || !FILE_strcasecmp(ext, ".exe")))
269 MESSAGE("Warning: Loadorder override '%s' contains an extension and might not be found during lookup\n", cptr);
272 ldo.modulename = cptr;
273 if(!AddLoadOrder(&ldo, override))
275 cptr = get_tok(NULL, ", \t");
281 /***************************************************************************
282 * ParseCommandlineOverrides (internal, static)
284 * The commandline is in the form:
285 * name[,name,...]=native[,b,...][+...]
287 static BOOL ParseCommandlineOverrides(void)
295 if(!Options.dllFlags)
298 cpy = HEAP_strdupA(GetProcessHeap(), 0, Options.dllFlags);
301 for(; next; key = next)
303 next = strchr(key, '+');
309 value = strchr(key, '=');
318 TRACE("Commandline override '%s' = '%s'\n", key, value);
320 if(!AddLoadOrderSet(key, value, TRUE))
327 HeapFree(GetProcessHeap(), 0, cpy);
332 /***************************************************************************
333 * MODULE_InitLoadOrder (internal)
335 * Initialize the load order from the wine.conf file.
336 * The section has the following format:
341 * EXTRA_LD_LIBRARY_PATH=/usr/local/lib/wine[:/more/path/to/search[:...]]
342 * The path will be appended to any existing LD_LIBRARY_PATH from the
343 * environment (see note in code below).
345 * DefaultLoadOrder=native,so,builtin
346 * A comma separated list of module types to try to load in that specific
347 * order. The DefaultLoadOrder key is used as a fallback when a module is
348 * not specified explicitly. If the DefaultLoadOrder key is not found,
349 * then the order "dll,so,bi" is used
350 * The possible module types are:
351 * - native Native windows dll files
352 * - so Native .so libraries mapped to dlls
353 * - builtin Built-in modules
355 * Case is not important and only the first letter of each type is enough to
356 * identify the type n[ative], s[o], b[uiltin]. Also whitespace is
367 * There are no explicit keys defined other than module/library names. A comma
368 * separated list of modules is followed by an assignment of the load-order
369 * for these specific modules. See above for possible types. You should not
370 * specify an extension.
372 * kernel32, gdi32, user32 = builtin
373 * kernel, gdi, user = builtin
374 * comdlg32 = native, builtin
375 * commdlg = native, builtin
376 * version, ver = native, builtin
380 #define BUFFERSIZE 1024
382 BOOL MODULE_InitLoadOrder(void)
384 char buffer[BUFFERSIZE];
388 const struct tagDllPair *dllpair;
390 #if defined(HAVE_DL_API)
391 /* Get/set the new LD_LIBRARY_PATH */
392 nbuffer = PROFILE_GetWineIniString("DllDefaults", "EXTRA_LD_LIBRARY_PATH", "", buffer, sizeof(buffer));
396 extra_ld_library_path = HEAP_strdupA(GetProcessHeap(), 0, buffer);
397 TRACE("Setting extra LD_LIBRARY_PATH=%s\n", buffer);
401 /* Get the default load order */
402 nbuffer = PROFILE_GetWineIniString("DllDefaults", "DefaultLoadOrder", "n,b,s", buffer, sizeof(buffer));
405 MESSAGE("MODULE_InitLoadOrder: mysteriously read nothing from default loadorder\n");
409 TRACE("Setting default loadorder=%s\n", buffer);
411 if(!ParseLoadOrder(buffer, &default_loadorder))
413 default_loadorder.modulename = "<none>";
417 for (i=0;DefaultDllOverrides[i].key;i++)
419 DefaultDllOverrides[i].key,
420 DefaultDllOverrides[i].value,
425 /* Read the explicitely defined orders for specific modules as an entire section */
427 while (PROFILE_EnumWineIniString( "DllOverrides", idx++, key, sizeof(key),
428 buffer, sizeof(buffer)))
430 TRACE("Key '%s' uses override '%s'\n", key, buffer);
431 if(!AddLoadOrderSet(key, buffer, TRUE))
435 /* Add the commandline overrides to the pool */
436 if(!ParseCommandlineOverrides())
438 MESSAGE( "Syntax: -dll name[,name[,...]]={native|so|builtin}[,{n|s|b}[,...]][+...]\n"
439 " - 'name' is the name of any dll without extension\n"
440 " - the order of loading (native, so and builtin) can be abbreviated\n"
441 " with the first letter\n"
442 " - different loadorders for different dlls can be specified by seperating the\n"
443 " commandline entries with a '+'\n"
445 " -dll comdlg32,commdlg=n+shell,shell32=b\n"
450 /* Sort the array for quick lookup */
451 qsort(module_loadorder, nmodule_loadorder, sizeof(module_loadorder[0]), cmp_sort_func);
453 /* Check the pairs of dlls */
455 while (dllpair->dll1)
457 module_loadorder_t *plo1, *plo2;
458 plo1 = MODULE_GetLoadOrder(dllpair->dll1, FALSE);
459 plo2 = MODULE_GetLoadOrder(dllpair->dll2, FALSE);
460 assert(plo1 && plo2);
461 if(memcmp(plo1->loadorder, plo2->loadorder, sizeof(plo1->loadorder)))
462 MESSAGE("Warning: Modules '%s' and '%s' have different loadorder which may cause trouble\n", dllpair->dll1, dllpair->dll2);
469 static char types[] = "-NSB";
471 for(i = 0; i < nmodule_loadorder; i++)
473 DPRINTF("%3d: %-12s:", i, module_loadorder[i].modulename);
474 for(j = 0; j < MODULE_LOADORDER_NTYPES; j++)
475 DPRINTF(" %c", types[module_loadorder[i].loadorder[j] % (MODULE_LOADORDER_NTYPES+1)]);
484 /***************************************************************************
485 * MODULE_GetLoadOrder (internal)
487 * Locate the loadorder of a module.
488 * Any path is stripped from the path-argument and so are the extension
489 * '.dll' and '.exe'. A lookup in the table can yield an override for
490 * the specific dll. Otherwise the default load order is returned.
492 module_loadorder_t *MODULE_GetLoadOrder(const char *path, BOOL win32 )
494 module_loadorder_t lo, *tmp;
496 char sysdir[MAX_PATH+1];
501 TRACE("looking for %s\n", path);
503 assert(path != NULL);
505 if ( ! GetSystemDirectoryA ( sysdir, MAX_PATH ) )
506 return &default_loadorder; /* Hmmm ... */
508 /* Strip path information for 16 bit modules or if the module
509 resides in the system directory */
510 if ( !win32 || !FILE_strncasecmp ( sysdir, path, strlen (sysdir) ) )
513 cptr = strrchr(path, '\\');
515 name = strrchr(path, '/');
517 name = strrchr(cptr, '/');
520 name = cptr ? cptr+1 : (char *)path;
524 if((cptr = strchr(name, ':')) != NULL) /* Also strip drive if in format 'C:MODULE.DLL' */
531 if(len >= sizeof(fname) || len <= 0)
533 ERR("Path '%s' -> '%s' reduces to zilch or just too large...\n", path, name);
534 return &default_loadorder;
538 if(len >= 4 && (!FILE_strcasecmp(fname+len-4, ".dll") || !FILE_strcasecmp(fname+len-4, ".exe")))
541 lo.modulename = fname;
542 tmp = bsearch(&lo, module_loadorder, nmodule_loadorder, sizeof(module_loadorder[0]), cmp_sort_func);
544 TRACE("Looking for '%s' (%s), found '%s'\n", path, fname, tmp ? tmp->modulename : "<nothing>");
547 return &default_loadorder;