diff options
Diffstat (limited to 'xorg-server/hw/xfree86/loader')
| -rw-r--r-- | xorg-server/hw/xfree86/loader/Makefile.am | 60 | ||||
| -rw-r--r-- | xorg-server/hw/xfree86/loader/dlloader.c | 178 | ||||
| -rw-r--r-- | xorg-server/hw/xfree86/loader/dlloader.h | 33 | ||||
| -rw-r--r-- | xorg-server/hw/xfree86/loader/loader.c | 188 | ||||
| -rw-r--r-- | xorg-server/hw/xfree86/loader/loader.h | 23 | ||||
| -rw-r--r-- | xorg-server/hw/xfree86/loader/loaderProcs.h | 187 | ||||
| -rw-r--r-- | xorg-server/hw/xfree86/loader/loadmod.c | 79 |
7 files changed, 208 insertions, 540 deletions
diff --git a/xorg-server/hw/xfree86/loader/Makefile.am b/xorg-server/hw/xfree86/loader/Makefile.am index d3c17d173..acacda650 100644 --- a/xorg-server/hw/xfree86/loader/Makefile.am +++ b/xorg-server/hw/xfree86/loader/Makefile.am @@ -1,31 +1,29 @@ -noinst_LTLIBRARIES = libloader.la - -INCLUDES = $(XORG_INCS) -I$(srcdir)/../parser -I$(top_srcdir)/miext/cw \ - -I$(srcdir)/../ddc -I$(srcdir)/../i2c -I$(srcdir)/../modes \ - -I$(srcdir)/../ramdac - -#AM_LDFLAGS = -r -AM_CFLAGS = $(DIX_CFLAGS) $(XORG_CFLAGS) - -EXTRA_DIST = \ - dlloader.h \ - loader.h \ - loaderProcs.h \ - sdksyms.sh - -libloader_la_SOURCES = \ - loader.c \ - loaderProcs.h \ - loadext.c \ - loadmod.c \ - dlloader.c \ - os.c \ - sdksyms.c -libloader_la_LIBADD = $(DLOPEN_LIBS) - -CLEANFILES = sdksyms.c sdksyms.dep - -sdksyms.dep sdksyms.c: sdksyms.sh - CPP='$(CPP)' AWK='$(AWK)' $(srcdir)/sdksyms.sh $(top_srcdir) $(AM_CFLAGS) $(CFLAGS) $(INCLUDES) - -sinclude sdksyms.dep +noinst_LTLIBRARIES = libloader.la
+
+INCLUDES = $(XORG_INCS) -I$(srcdir)/../parser -I$(top_srcdir)/miext/cw \
+ -I$(srcdir)/../ddc -I$(srcdir)/../i2c -I$(srcdir)/../modes \
+ -I$(srcdir)/../ramdac
+
+#AM_LDFLAGS = -r
+AM_CFLAGS = $(DIX_CFLAGS) $(XORG_CFLAGS)
+
+EXTRA_DIST = \
+ loader.h \
+ loaderProcs.h \
+ sdksyms.sh
+
+libloader_la_SOURCES = \
+ loader.c \
+ loaderProcs.h \
+ loadext.c \
+ loadmod.c \
+ os.c \
+ sdksyms.c
+libloader_la_LIBADD = $(DLOPEN_LIBS)
+
+CLEANFILES = sdksyms.c sdksyms.dep
+
+sdksyms.dep sdksyms.c: sdksyms.sh
+ CPP='$(CPP)' AWK='$(AWK)' $(srcdir)/sdksyms.sh $(top_srcdir) $(AM_CFLAGS) $(CFLAGS) $(INCLUDES)
+
+sinclude sdksyms.dep
diff --git a/xorg-server/hw/xfree86/loader/dlloader.c b/xorg-server/hw/xfree86/loader/dlloader.c deleted file mode 100644 index 18dcb76c6..000000000 --- a/xorg-server/hw/xfree86/loader/dlloader.c +++ /dev/null @@ -1,178 +0,0 @@ -/* - * Copyright (c) 1997 The XFree86 Project, Inc. - * - * Permission to use, copy, modify, distribute, and sell this software - * and its documentation for any purpose is hereby granted without - * fee, provided that the above copyright notice appear in all copies - * and that both that copyright notice and this permission notice - * appear in supporting documentation, and that the name of the - * XFree86 Project, Inc. not be used in advertising or publicity - * pertaining to distribution of the software without specific, - * written prior permission. The Xfree86 Project, Inc. makes no - * representations about the suitability of this software for any - * purpose. It is provided "as is" without express or implied - * warranty. - * - * THE XFREE86 PROJECT, INC. DISCLAIMS ALL WARRANTIES WITH REGARD TO - * THIS SOFTWARE, INCLUDING ALL IMPLIED WARRANTIES OF MERCHANTABILITY - * AND FITNESS, IN NO EVENT SHALL THE XFREE86 PROJECT, INC. BE LIABLE - * FOR ANY SPECIAL, INDIRECT OR CONSEQUENTIAL DAMAGES OR ANY DAMAGES - * WHATSOEVER RESULTING FROM LOSS OF USE, DATA OR PROFITS, WHETHER IN - * AN ACTION OF CONTRACT, NEGLIGENCE OR OTHER TORTIOUS ACTION, ARISING - * OUT OF OR IN CONNECTION WITH THE USE OR PERFORMANCE OF THIS - * SOFTWARE. - */ - -/* - * Once upon a time, X had multiple loader backends, three of which were - * essentially libdl reimplementations. This was nonsense so we chucked - * it, but we still retain the factorization between loader API and - * platform implementation. This file is the libdl implementation, and - * currently the only backend. If you find yourself porting to a platform - * without working libdl - hpux, win32, some forsaken a.out host, etc. - - * make a new backend rather than hacking up this file. - */ - -#ifdef HAVE_XORG_CONFIG_H -#include <xorg-config.h> -#endif - -#include <stdio.h> -#include <stdlib.h> -#include <dlfcn.h> - -#include <X11/Xos.h> -#include "os.h" - -#include "loader.h" -#include "dlloader.h" - -#if defined(DL_LAZY) -#define DLOPEN_LAZY DL_LAZY -#elif defined(RTLD_LAZY) -#define DLOPEN_LAZY RTLD_LAZY -#elif defined(__FreeBSD__) -#define DLOPEN_LAZY 1 -#else -#define DLOPEN_LAZY 0 -#endif - -#if defined(LD_GLOBAL) -#define DLOPEN_GLOBAL LD_GLOBAL -#elif defined(RTLD_GLOBAL) -#define DLOPEN_GLOBAL RTLD_GLOBAL -#else -#define DLOPEN_GLOBAL 0 -#endif - -#if defined(CSRG_BASED) && !defined(__ELF__) -#define DLSYM_PREFIX "_" -#else -#define DLSYM_PREFIX "" -#endif - -/* Hooray, yet another open coded linked list! FIXME */ -typedef struct DLModuleList { - void *module; - struct DLModuleList *next; -} DLModuleList; - -static DLModuleList *dlModuleList = NULL; - -static void * -DLFindSymbolLocal(pointer module, const char *name) -{ - void *p; - char *n; - - static const char symPrefix[] = DLSYM_PREFIX; - - if (sizeof(symPrefix) > 1) { - n = malloc(strlen(symPrefix) + strlen(name) + 1); - sprintf(n, "%s%s", symPrefix, name); - name = n; - } - - p = dlsym(module, name); - - if (sizeof(symPrefix) > 1) - free(n); - - return p; -} - -static void *global_scope = NULL; - -void * -DLFindSymbol(const char *name) -{ - DLModuleList *l; - void *p; - - p = dlsym(RTLD_DEFAULT, name); - if (p != NULL) - return p; - - for (l = dlModuleList; l != NULL; l = l->next) { - p = DLFindSymbolLocal(l->module, name); - if (p) - return p; - } - - if (!global_scope) - global_scope = dlopen(NULL, DLOPEN_LAZY | DLOPEN_GLOBAL); - - if (global_scope) - return DLFindSymbolLocal(global_scope, name); - - return NULL; -} - -void * -DLLoadModule(loaderPtr modrec, int flags) -{ - void * dlfile; - DLModuleList *l; - int dlopen_flags; - - if (flags & LD_FLAG_GLOBAL) - dlopen_flags = DLOPEN_LAZY | DLOPEN_GLOBAL; - else - dlopen_flags = DLOPEN_LAZY; - dlfile = dlopen(modrec->name, dlopen_flags); - if (dlfile == NULL) { - ErrorF("dlopen: %s\n", dlerror()); - return NULL; - } - - l = malloc(sizeof(DLModuleList)); - l->module = dlfile; - l->next = dlModuleList; - dlModuleList = l; - - return (void *)dlfile; -} - -void -DLUnloadModule(void *modptr) -{ - DLModuleList *l, *p; - - /* remove it from dlModuleList. */ - if (dlModuleList->module == modptr) { - l = dlModuleList; - dlModuleList = l->next; - free(l); - } else { - p = dlModuleList; - for (l = dlModuleList->next; l != NULL; l = l->next) { - if (l->module == modptr) { - p->next = l->next; - free(l); - break; - } - p = l; - } - } - dlclose(modptr); -} diff --git a/xorg-server/hw/xfree86/loader/dlloader.h b/xorg-server/hw/xfree86/loader/dlloader.h deleted file mode 100644 index 8ae610f02..000000000 --- a/xorg-server/hw/xfree86/loader/dlloader.h +++ /dev/null @@ -1,33 +0,0 @@ -/* - * Copyright 1997 Metro Link, Inc. - * Permission to use, copy, modify, distribute, and sell this software and its - * documentation for any purpose is hereby granted without fee, provided that - * the above copyright notice appear in all copies and that both that - * copyright notice and this permission notice appear in supporting - * documentation, and that the name of Metro Link, Inc. not be used in - * advertising or publicity pertaining to distribution of the software without - * specific, written prior permission. Metro Link, Inc. makes no - * representations about the suitability of this software for any purpose. - * It is provided "as is" without express or implied warranty. - * - * METRO LINK, INC. DISCLAIMS ALL WARRANTIES WITH REGARD TO THIS SOFTWARE, - * INCLUDING ALL IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS, IN NO - * EVENT SHALL METRO LINK, INC. BE LIABLE FOR ANY SPECIAL, INDIRECT OR - * CONSEQUENTIAL DAMAGES OR ANY DAMAGES WHATSOEVER RESULTING FROM LOSS OF USE, - * DATA OR PROFITS, WHETHER IN AN ACTION OF CONTRACT, NEGLIGENCE OR OTHER - * TORTIOUS ACTION, ARISING OUT OF OR IN CONNECTION WITH THE USE OR - * PERFORMANCE OF THIS SOFTWARE. - */ - -#ifdef HAVE_XORG_CONFIG_H -#include <xorg-config.h> -#endif - -#ifndef _DLLOADER_H -#define _DLLOADER_H - -extern void *DLLoadModule(loaderPtr, int flags); -extern void DLUnloadModule(void *); -extern void *DLFindSymbol(const char *name); - -#endif diff --git a/xorg-server/hw/xfree86/loader/loader.c b/xorg-server/hw/xfree86/loader/loader.c index 7ea934a89..32c4431de 100644 --- a/xorg-server/hw/xfree86/loader/loader.c +++ b/xorg-server/hw/xfree86/loader/loader.c @@ -54,18 +54,10 @@ #include <stdio.h>
#include <stdlib.h>
#include <sys/types.h>
-#if defined(UseMMAP) || (defined(linux) && defined(__ia64__))
-#include <sys/mman.h>
-#endif
#include <unistd.h>
#include <sys/stat.h>
#include <fcntl.h>
#include <string.h>
-#if defined(linux) && \
- (defined(__alpha__) || defined(__powerpc__) || defined(__ia64__) \
- || defined(__amd64__))
-#include <malloc.h>
-#endif
#include <stdarg.h>
#include "os.h"
@@ -75,44 +67,34 @@ #include "xf86Priv.h"
#include "compiler.h"
-extern void *xorg_symbols[];
-
-#define MAX_HANDLE 256
-static int refCount[MAX_HANDLE];
-
-static int moduleseq = 0;
-
-/* Prototypes for static functions. */
-static loaderPtr listHead = NULL;
+#ifdef HAVE_DLFCN_H
-static loaderPtr
-_LoaderListPush(void)
-{
- loaderPtr item = calloc(1, sizeof(struct _loader));
-
- item->next = listHead;
- listHead = item;
+#include <dlfcn.h>
+#include <X11/Xos.h>
- return item;
-}
+#if defined(DL_LAZY)
+#define DLOPEN_LAZY DL_LAZY
+#elif defined(RTLD_LAZY)
+#define DLOPEN_LAZY RTLD_LAZY
+#elif defined(__FreeBSD__)
+#define DLOPEN_LAZY 1
+#else
+#define DLOPEN_LAZY 0
+#endif
-static loaderPtr
-_LoaderListPop(int handle)
-{
- loaderPtr item = listHead;
- loaderPtr *bptr = &listHead; /* pointer to previous node */
+#if defined(LD_GLOBAL)
+#define DLOPEN_GLOBAL LD_GLOBAL
+#elif defined(RTLD_GLOBAL)
+#define DLOPEN_GLOBAL RTLD_GLOBAL
+#else
+#define DLOPEN_GLOBAL 0
+#endif
- while (item) {
- if (item->handle == handle) {
- *bptr = item->next; /* remove this from the list */
- return item;
- }
- bptr = &(item->next);
- item = item->next;
- }
+#else
+#error i have no dynamic linker and i must scream
+#endif
- return 0;
-}
+extern void *xorg_symbols[];
void
LoaderInit(void)
@@ -149,134 +131,60 @@ LoaderInit(void) path = uwcrtpath; /* fallback: try to get libcrt.a from the uccs */
else
path = xcrtpath; /* get the libcrt.a we compiled with */
- LoaderOpen (path, "libcrt", 0, &errmaj, &errmin, &wasLoaded);
+ LoaderOpen (path, &errmaj, &errmin, &wasLoaded, 0);
}
#endif
}
/* Public Interface to the loader. */
-int
-LoaderOpen(const char *module, const char *cname, int handle,
- int *errmaj, int *errmin, int *wasLoaded, int flags)
+void *
+LoaderOpen(const char *module, int *errmaj, int *errmin)
{
- loaderPtr tmp;
- int new_handle;
+ void *ret;
#if defined(DEBUG)
ErrorF("LoaderOpen(%s)\n", module);
#endif
- /* Is the module already loaded? */
- if (handle >= 0) {
- tmp = listHead;
- while (tmp) {
-#ifdef DEBUGLIST
- ErrorF("strcmp(%x(%s),{%x} %x(%s))\n", module, module,
- &(tmp->name), tmp->name, tmp->name);
-#endif
- if (!strcmp(module, tmp->name)) {
- refCount[tmp->handle]++;
- if (wasLoaded)
- *wasLoaded = 1;
- xf86MsgVerb(X_INFO, 2, "Reloading %s\n", module);
- return tmp->handle;
- }
- tmp = tmp->next;
- }
- }
-
- /*
- * OK, it's a new one. Add it.
- */
xf86Msg(X_INFO, "Loading %s\n", module);
- if (wasLoaded)
- *wasLoaded = 0;
- /*
- * Find a free handle.
- */
- new_handle = 1;
- while (new_handle < MAX_HANDLE && refCount[new_handle])
- new_handle++;
-
- if (new_handle == MAX_HANDLE) {
- xf86Msg(X_ERROR, "Out of loader space\n"); /* XXX */
- if (errmaj)
- *errmaj = LDR_NOSPACE;
- if (errmin)
- *errmin = LDR_NOSPACE;
- return -1;
- }
-
- refCount[new_handle] = 1;
-
- tmp = _LoaderListPush();
- tmp->name = strdup(module);
- tmp->cname = strdup(cname);
- tmp->handle = new_handle;
- tmp->module = moduleseq++;
-
- if ((tmp->private = DLLoadModule(tmp, flags)) == NULL) {
- xf86Msg(X_ERROR, "Failed to load %s\n", module);
- _LoaderListPop(new_handle);
- refCount[new_handle] = 0;
+ if (!(ret = dlopen(module, DLOPEN_LAZY | DLOPEN_GLOBAL))) {
+ xf86Msg(X_ERROR, "Failed to load %s: %s\n", module, dlerror());
if (errmaj)
*errmaj = LDR_NOLOAD;
if (errmin)
*errmin = LDR_NOLOAD;
- return -1;
+ return NULL;
}
- return new_handle;
-}
-
-int
-LoaderHandleOpen(int handle)
-{
- if (handle < 0 || handle >= MAX_HANDLE)
- return -1;
-
- if (!refCount[handle])
- return -1;
-
- refCount[handle]++;
- return handle;
+ return ret;
}
void *
-LoaderSymbol(const char *sym)
+LoaderSymbol(const char *name)
{
- return (DLFindSymbol(sym));
-}
+ static void *global_scope = NULL;
+ void *p;
-int
-LoaderUnload(int handle)
-{
- loaderRec fakeHead;
- loaderPtr tmp = &fakeHead;
+ p = dlsym(RTLD_DEFAULT, name);
+ if (p != NULL)
+ return p;
- if (handle < 0 || handle >= MAX_HANDLE)
- return -1;
+ if (!global_scope)
+ global_scope = dlopen(NULL, DLOPEN_LAZY | DLOPEN_GLOBAL);
- /*
- * check the reference count, only free it if it goes to zero
- */
- if (--refCount[handle])
- return 0;
- /*
- * find the loaderRecs associated with this handle.
- */
+ if (global_scope)
+ return dlsym(global_scope, name);
- while ((tmp = _LoaderListPop(handle)) != NULL) {
- xf86Msg(X_INFO, "Unloading %s\n", tmp->name);
- DLUnloadModule(tmp->private);
- free(tmp->name);
- free(tmp->cname);
- free(tmp);
- }
+ return NULL;
+}
- return 0;
+void
+LoaderUnload(const char *name, void *handle)
+{
+ xf86Msg(X_INFO, "Unloading %s\n", name);
+ dlclose(handle);
}
unsigned long LoaderOptions = 0;
diff --git a/xorg-server/hw/xfree86/loader/loader.h b/xorg-server/hw/xfree86/loader/loader.h index 77267f847..a53970b6e 100644 --- a/xorg-server/hw/xfree86/loader/loader.h +++ b/xorg-server/hw/xfree86/loader/loader.h @@ -57,23 +57,6 @@ #include <X11/Xfuncproto.h>
#include <X11/Xmd.h>
-/* LoadModule proc flags; LD_FLAG_GLOBAL adds symbols to global
- * namespace, default is to keep symbols local to module. */
-#define LD_FLAG_GLOBAL 1
-
-typedef struct _loader *loaderPtr;
-
-/* Each module loaded has a loaderRec */
-typedef struct _loader {
- int handle; /* Unique id used to remove symbols from
- * this module when it is unloaded */
- int module; /* Unique id to identify compilation units */
- char *name;
- char *cname;
- void *private; /* format specific data */
- loaderPtr next;
-} loaderRec;
-
/* Compiled-in version information */
typedef struct {
int xf86Version;
@@ -88,10 +71,6 @@ extern const ModuleVersions LoaderVersionInfo; extern unsigned long LoaderOptions;
/* Internal Functions */
-int LoaderOpen(const char *, const char *, int, int *, int *, int *, int);
-int LoaderHandleOpen(int);
-
-/* Loader backends. */
-#include "dlloader.h"
+void * LoaderOpen(const char *, int *, int *);
#endif /* _LOADER_H */
diff --git a/xorg-server/hw/xfree86/loader/loaderProcs.h b/xorg-server/hw/xfree86/loader/loaderProcs.h index a7925ecee..133d5aae9 100644 --- a/xorg-server/hw/xfree86/loader/loaderProcs.h +++ b/xorg-server/hw/xfree86/loader/loaderProcs.h @@ -1,93 +1,94 @@ -/* - * Copyright 1995-1998 by Metro Link, Inc. - * - * Permission to use, copy, modify, distribute, and sell this software and its - * documentation for any purpose is hereby granted without fee, provided that - * the above copyright notice appear in all copies and that both that - * copyright notice and this permission notice appear in supporting - * documentation, and that the name of Metro Link, Inc. not be used in - * advertising or publicity pertaining to distribution of the software without - * specific, written prior permission. Metro Link, Inc. makes no - * representations about the suitability of this software for any purpose. - * It is provided "as is" without express or implied warranty. - * - * METRO LINK, INC. DISCLAIMS ALL WARRANTIES WITH REGARD TO THIS SOFTWARE, - * INCLUDING ALL IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS, IN NO - * EVENT SHALL METRO LINK, INC. BE LIABLE FOR ANY SPECIAL, INDIRECT OR - * CONSEQUENTIAL DAMAGES OR ANY DAMAGES WHATSOEVER RESULTING FROM LOSS OF USE, - * DATA OR PROFITS, WHETHER IN AN ACTION OF CONTRACT, NEGLIGENCE OR OTHER - * TORTIOUS ACTION, ARISING OUT OF OR IN CONNECTION WITH THE USE OR - * PERFORMANCE OF THIS SOFTWARE. - */ -/* - * Copyright (c) 1997-2002 by The XFree86 Project, Inc. - * - * Permission is hereby granted, free of charge, to any person obtaining a - * copy of this software and associated documentation files (the "Software"), - * to deal in the Software without restriction, including without limitation - * the rights to use, copy, modify, merge, publish, distribute, sublicense, - * and/or sell copies of the Software, and to permit persons to whom the - * Software is furnished to do so, subject to the following conditions: - * - * The above copyright notice and this permission notice shall be included in - * all copies or substantial portions of the Software. - * - * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR - * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY, - * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL - * THE COPYRIGHT HOLDER(S) OR AUTHOR(S) BE LIABLE FOR ANY CLAIM, DAMAGES OR - * OTHER LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, - * ARISING FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR - * OTHER DEALINGS IN THE SOFTWARE. - * - * Except as contained in this notice, the name of the copyright holder(s) - * and author(s) shall not be used in advertising or otherwise to promote - * the sale, use or other dealings in this Software without prior written - * authorization from the copyright holder(s) and author(s). - */ - -#ifdef HAVE_XORG_CONFIG_H -#include <xorg-config.h> -#endif - -#ifndef _LOADERPROCS_H -#define _LOADERPROCS_H - -#include "xf86Module.h" - -typedef struct module_desc { - struct module_desc *child; - struct module_desc *sib; - struct module_desc *parent; - char *name; - int handle; - ModuleSetupProc SetupProc; - ModuleTearDownProc TearDownProc; - void *TearDownData; /* returned from SetupProc */ - const XF86ModuleVersionInfo *VersionInfo; -} ModuleDesc, *ModuleDescPtr; - -/* External API for the loader */ - -void LoaderInit(void); - -ModuleDescPtr LoadDriver(const char *, const char *, int, pointer, int *, - int *); -ModuleDescPtr LoadModule(const char *, const char *, const char **, - const char **, pointer, const XF86ModReqInfo *, - int *, int *); -ModuleDescPtr DuplicateModule(ModuleDescPtr mod, ModuleDescPtr parent); -void UnloadDriver(ModuleDescPtr); -void LoaderSetPath(const char *path); -void LoaderSortExtensions(void); - -int LoaderUnload(int); -unsigned long LoaderGetModuleVersion(ModuleDescPtr mod); - -void LoaderResetOptions(void); -void LoaderSetOptions(unsigned long); - -/* Options for LoaderSetOptions */ -#define LDR_OPT_ABI_MISMATCH_NONFATAL 0x0001 - -#endif /* _LOADERPROCS_H */ +/*
+ * Copyright 1995-1998 by Metro Link, Inc.
+ *
+ * Permission to use, copy, modify, distribute, and sell this software and its
+ * documentation for any purpose is hereby granted without fee, provided that
+ * the above copyright notice appear in all copies and that both that
+ * copyright notice and this permission notice appear in supporting
+ * documentation, and that the name of Metro Link, Inc. not be used in
+ * advertising or publicity pertaining to distribution of the software without
+ * specific, written prior permission. Metro Link, Inc. makes no
+ * representations about the suitability of this software for any purpose.
+ * It is provided "as is" without express or implied warranty.
+ *
+ * METRO LINK, INC. DISCLAIMS ALL WARRANTIES WITH REGARD TO THIS SOFTWARE,
+ * INCLUDING ALL IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS, IN NO
+ * EVENT SHALL METRO LINK, INC. BE LIABLE FOR ANY SPECIAL, INDIRECT OR
+ * CONSEQUENTIAL DAMAGES OR ANY DAMAGES WHATSOEVER RESULTING FROM LOSS OF USE,
+ * DATA OR PROFITS, WHETHER IN AN ACTION OF CONTRACT, NEGLIGENCE OR OTHER
+ * TORTIOUS ACTION, ARISING OUT OF OR IN CONNECTION WITH THE USE OR
+ * PERFORMANCE OF THIS SOFTWARE.
+ */
+/*
+ * Copyright (c) 1997-2002 by The XFree86 Project, Inc.
+ *
+ * Permission is hereby granted, free of charge, to any person obtaining a
+ * copy of this software and associated documentation files (the "Software"),
+ * to deal in the Software without restriction, including without limitation
+ * the rights to use, copy, modify, merge, publish, distribute, sublicense,
+ * and/or sell copies of the Software, and to permit persons to whom the
+ * Software is furnished to do so, subject to the following conditions:
+ *
+ * The above copyright notice and this permission notice shall be included in
+ * all copies or substantial portions of the Software.
+ *
+ * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
+ * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
+ * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL
+ * THE COPYRIGHT HOLDER(S) OR AUTHOR(S) BE LIABLE FOR ANY CLAIM, DAMAGES OR
+ * OTHER LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE,
+ * ARISING FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR
+ * OTHER DEALINGS IN THE SOFTWARE.
+ *
+ * Except as contained in this notice, the name of the copyright holder(s)
+ * and author(s) shall not be used in advertising or otherwise to promote
+ * the sale, use or other dealings in this Software without prior written
+ * authorization from the copyright holder(s) and author(s).
+ */
+
+#ifdef HAVE_XORG_CONFIG_H
+#include <xorg-config.h>
+#endif
+
+#ifndef _LOADERPROCS_H
+#define _LOADERPROCS_H
+
+#include "xf86Module.h"
+
+typedef struct module_desc {
+ struct module_desc *child;
+ struct module_desc *sib;
+ struct module_desc *parent;
+ char *name;
+ char *path;
+ void *handle;
+ ModuleSetupProc SetupProc;
+ ModuleTearDownProc TearDownProc;
+ void *TearDownData; /* returned from SetupProc */
+ const XF86ModuleVersionInfo *VersionInfo;
+} ModuleDesc, *ModuleDescPtr;
+
+/* External API for the loader */
+
+void LoaderInit(void);
+
+ModuleDescPtr LoadDriver(const char *, const char *, int, pointer, int *,
+ int *);
+ModuleDescPtr LoadModule(const char *, const char *, const char **,
+ const char **, pointer, const XF86ModReqInfo *,
+ int *, int *);
+ModuleDescPtr DuplicateModule(ModuleDescPtr mod, ModuleDescPtr parent);
+void UnloadDriver(ModuleDescPtr);
+void LoaderSetPath(const char *path);
+void LoaderSortExtensions(void);
+
+void LoaderUnload(const char *, void *);
+unsigned long LoaderGetModuleVersion(ModuleDescPtr mod);
+
+void LoaderResetOptions(void);
+void LoaderSetOptions(unsigned long);
+
+/* Options for LoaderSetOptions */
+#define LDR_OPT_ABI_MISMATCH_NONFATAL 0x0001
+
+#endif /* _LOADERPROCS_H */
diff --git a/xorg-server/hw/xfree86/loader/loadmod.c b/xorg-server/hw/xfree86/loader/loadmod.c index 82739e46e..395cdf104 100644 --- a/xorg-server/hw/xfree86/loader/loadmod.c +++ b/xorg-server/hw/xfree86/loader/loadmod.c @@ -83,8 +83,7 @@ static char *LoaderGetCanonicalName(const char *, PatternPtr); static void RemoveChild(ModuleDescPtr);
static ModuleDescPtr doLoadModule(const char *, const char *, const char **,
const char **, pointer,
- const XF86ModReqInfo *, int *, int *,
- int flags);
+ const XF86ModReqInfo *, int *, int *);
const ModuleVersions LoaderVersionInfo = {
XORG_VERSION_CURRENT,
@@ -765,7 +764,7 @@ LoadSubModule(pointer _parent, const char *module, }
submod = doLoadModule(module, NULL, subdirlist, patternlist, options,
- modreq, errmaj, errmin, LD_FLAG_GLOBAL);
+ modreq, errmaj, errmin);
if (submod && submod != (ModuleDescPtr) 1) {
parent->child = AddSibling(parent->child, submod);
submod->parent = parent;
@@ -776,18 +775,10 @@ LoadSubModule(pointer _parent, const char *module, static ModuleDescPtr
NewModuleDesc(const char *name)
{
- ModuleDescPtr mdp = malloc(sizeof(ModuleDesc));
+ ModuleDescPtr mdp = calloc(1, sizeof(ModuleDesc));
- if (mdp) {
- mdp->child = NULL;
- mdp->sib = NULL;
- mdp->parent = NULL;
+ if (mdp)
mdp->name = xstrdup(name);
- mdp->handle = -1;
- mdp->SetupProc = NULL;
- mdp->TearDownProc = NULL;
- mdp->TearDownData = NULL;
- }
return mdp;
}
@@ -796,6 +787,7 @@ ModuleDescPtr DuplicateModule(ModuleDescPtr mod, ModuleDescPtr parent)
{
ModuleDescPtr ret;
+ int errmaj, errmin;
if (!mod)
return NULL;
@@ -804,10 +796,11 @@ DuplicateModule(ModuleDescPtr mod, ModuleDescPtr parent) if (ret == NULL)
return NULL;
- if (LoaderHandleOpen(mod->handle) == -1)
- return NULL;
+ if (!(ret->handle = LoaderOpen(mod->path, &errmaj, &errmin))) {
+ free(ret);
+ return NULL;
+ }
- ret->handle = mod->handle;
ret->SetupProc = mod->SetupProc;
ret->TearDownProc = mod->TearDownProc;
ret->TearDownData = NULL;
@@ -815,6 +808,7 @@ DuplicateModule(ModuleDescPtr mod, ModuleDescPtr parent) ret->sib = DuplicateModule(mod->sib, parent);
ret->parent = parent;
ret->VersionInfo = mod->VersionInfo;
+ ret->path = strdup(mod->path);
return ret;
}
@@ -830,7 +824,7 @@ static ModuleDescPtr doLoadModule(const char *module, const char *path, const char **subdirlist,
const char **patternlist, pointer options,
const XF86ModReqInfo * modreq,
- int *errmaj, int *errmin, int flags)
+ int *errmaj, int *errmin)
{
XF86ModuleData *initdata = NULL;
char **pathlist = NULL;
@@ -839,7 +833,6 @@ doLoadModule(const char *module, const char *path, const char **subdirlist, char **path_elem = NULL;
char *p = NULL;
ModuleDescPtr ret = NULL;
- int wasLoaded = 0;
PatternPtr patterns = NULL;
int noncanonical = 0;
char *m = NULL;
@@ -926,10 +919,10 @@ doLoadModule(const char *module, const char *path, const char **subdirlist, *errmin = 0;
goto LoadModule_fail;
}
- ret->handle = LoaderOpen(found, name, 0,
- errmaj, errmin, &wasLoaded, flags);
+ ret->handle = LoaderOpen(found, errmaj, errmin);
if (ret->handle < 0)
goto LoadModule_fail;
+ ret->path = strdup(found);
/* drop any explicit suffix from the module name */
p = strchr(name, '.');
@@ -960,26 +953,24 @@ doLoadModule(const char *module, const char *path, const char **subdirlist, setup = initdata->setup;
teardown = initdata->teardown;
- if (!wasLoaded) {
- if (vers) {
- if (!CheckVersion(module, vers, modreq)) {
- if (errmaj)
- *errmaj = LDR_MISMATCH;
- if (errmin)
- *errmin = 0;
- goto LoadModule_fail;
- }
- } else {
- xf86Msg(X_ERROR,
- "LoadModule: Module %s does not supply"
- " version information\n", module);
- if (errmaj)
- *errmaj = LDR_INVALID;
- if (errmin)
- *errmin = 0;
- goto LoadModule_fail;
- }
- }
+ if (vers) {
+ if (!CheckVersion(module, vers, modreq)) {
+ if (errmaj)
+ *errmaj = LDR_MISMATCH;
+ if (errmin)
+ *errmin = 0;
+ goto LoadModule_fail;
+ }
+ } else {
+ xf86Msg(X_ERROR,
+ "LoadModule: Module %s does not supply"
+ " version information\n", module);
+ if (errmaj)
+ *errmaj = LDR_INVALID;
+ if (errmin)
+ *errmin = 0;
+ goto LoadModule_fail;
+ }
if (setup)
ret->SetupProc = setup;
if (teardown)
@@ -1067,7 +1058,7 @@ LoadModule(const char *module, const char *path, const char **subdirlist, const XF86ModReqInfo * modreq, int *errmaj, int *errmin)
{
return doLoadModule(module, path, subdirlist, patternlist, options,
- modreq, errmaj, errmin, LD_FLAG_GLOBAL);
+ modreq, errmaj, errmin);
}
void
@@ -1089,12 +1080,13 @@ UnloadModuleOrDriver(ModuleDescPtr mod) if ((mod->TearDownProc) && (mod->TearDownData))
mod->TearDownProc(mod->TearDownData);
- LoaderUnload(mod->handle);
+ LoaderUnload(mod->name, mod->handle);
if (mod->child)
UnloadModuleOrDriver(mod->child);
if (mod->sib)
UnloadModuleOrDriver(mod->sib);
+ free(mod->path);
free(mod->name);
free(mod);
}
@@ -1111,13 +1103,14 @@ UnloadSubModule(pointer _mod) if ((mod->TearDownProc) && (mod->TearDownData))
mod->TearDownProc(mod->TearDownData);
- LoaderUnload(mod->handle);
+ LoaderUnload(mod->name, mod->handle);
RemoveChild(mod);
if (mod->child)
UnloadModuleOrDriver(mod->child);
+ free(mod->path);
free(mod->name);
free(mod);
}
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