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authormarha <marha@users.sourceforge.net>2010-12-22 13:20:05 +0000
committermarha <marha@users.sourceforge.net>2010-12-22 13:20:05 +0000
commit8fd06c45853cb2300105db84e4b722f0e2dad8d2 (patch)
tree7446470a4b0a1a4060bc880214bcaf22ccc2868f /xorg-server/hw/xfree86/loader/loader.c
parentfe2ccbf887ddf31f99d6f630830e3180ff259e40 (diff)
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xserver libX11 libXdmcp pixman git update 22-12-2010
Diffstat (limited to 'xorg-server/hw/xfree86/loader/loader.c')
-rw-r--r--xorg-server/hw/xfree86/loader/loader.c436
1 files changed, 208 insertions, 228 deletions
diff --git a/xorg-server/hw/xfree86/loader/loader.c b/xorg-server/hw/xfree86/loader/loader.c
index dce3b22f6..159b61198 100644
--- a/xorg-server/hw/xfree86/loader/loader.c
+++ b/xorg-server/hw/xfree86/loader/loader.c
@@ -1,228 +1,208 @@
-/*
- * 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) 1997-2003 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
-
-#include <errno.h>
-#include <stdio.h>
-#include <stdlib.h>
-#include <sys/types.h>
-#include <unistd.h>
-#include <sys/stat.h>
-#include <fcntl.h>
-#include <string.h>
-#include <stdarg.h>
-
-#include "os.h"
-#include "loader.h"
-#include "loaderProcs.h"
-#include "xf86.h"
-#include "xf86Priv.h"
-#include "compiler.h"
-
-#ifdef HAVE_DLFCN_H
-
-#include <dlfcn.h>
-#include <X11/Xos.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
-
-#else
-#error i have no dynamic linker and i must scream
-#endif
-
-extern void *xorg_symbols[];
-
-void
-LoaderInit(void)
-{
- xf86MsgVerb(X_INFO, 2, "Loader magic: %p\n", (void *)xorg_symbols);
- xf86MsgVerb(X_INFO, 2, "Module ABI versions:\n");
- xf86ErrorFVerb(2, "\t%s: %d.%d\n", ABI_CLASS_ANSIC,
- GET_ABI_MAJOR(LoaderVersionInfo.ansicVersion),
- GET_ABI_MINOR(LoaderVersionInfo.ansicVersion));
- xf86ErrorFVerb(2, "\t%s: %d.%d\n", ABI_CLASS_VIDEODRV,
- GET_ABI_MAJOR(LoaderVersionInfo.videodrvVersion),
- GET_ABI_MINOR(LoaderVersionInfo.videodrvVersion));
- xf86ErrorFVerb(2, "\t%s : %d.%d\n", ABI_CLASS_XINPUT,
- GET_ABI_MAJOR(LoaderVersionInfo.xinputVersion),
- GET_ABI_MINOR(LoaderVersionInfo.xinputVersion));
- xf86ErrorFVerb(2, "\t%s : %d.%d\n", ABI_CLASS_EXTENSION,
- GET_ABI_MAJOR(LoaderVersionInfo.extensionVersion),
- GET_ABI_MINOR(LoaderVersionInfo.extensionVersion));
-
-#if defined(__UNIXWARE__) && !defined(__GNUC__)
- /* For UnixWare we need to load the C Runtime libraries which are
- * normally auto-linked by the compiler. Otherwise we are bound to
- * see unresolved symbols when trying to use the type "long long".
- * Obviously, this does not apply if the GNU C compiler is used.
- */
- {
- int errmaj, errmin, wasLoaded; /* place holders */
- char *xcrtpath = DEFAULT_MODULE_PATH "/libcrt.a";
- char *uwcrtpath = "/usr/ccs/lib/libcrt.a";
- char *path;
- struct stat st;
-
- if(stat(xcrtpath, &st) < 0)
- path = uwcrtpath; /* fallback: try to get libcrt.a from the uccs */
- else
- path = xcrtpath; /* get the libcrt.a we compiled with */
- LoaderOpen (path, &errmaj, &errmin, &wasLoaded, 0);
- }
-#endif
-}
-
-/* Public Interface to the loader. */
-
-void *
-LoaderOpen(const char *module, int *errmaj, int *errmin)
-{
- void *ret;
-
-#if defined(DEBUG)
- ErrorF("LoaderOpen(%s)\n", module);
-#endif
-
- xf86Msg(X_INFO, "Loading %s\n", module);
-
- 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 NULL;
- }
-
- return ret;
-}
-
-void *
-LoaderSymbol(const char *name)
-{
- static void *global_scope = NULL;
- void *p;
-
- p = dlsym(RTLD_DEFAULT, name);
- if (p != NULL)
- return p;
-
- if (!global_scope)
- global_scope = dlopen(NULL, DLOPEN_LAZY | DLOPEN_GLOBAL);
-
- if (global_scope)
- return dlsym(global_scope, name);
-
- return NULL;
-}
-
-void
-LoaderUnload(const char *name, void *handle)
-{
- xf86Msg(X_INFO, "Unloading %s\n", name);
- if (handle)
- dlclose(handle);
-}
-
-unsigned long LoaderOptions = 0;
-
-void
-LoaderSetOptions(unsigned long opts)
-{
- LoaderOptions |= opts;
-}
-
-Bool
-LoaderShouldIgnoreABI(void)
-{
- return (LoaderOptions & LDR_OPT_ABI_MISMATCH_NONFATAL) != 0;
-}
-
-int
-LoaderGetABIVersion(const char *abiclass)
-{
- struct {
- const char *name;
- int version;
- } classes[] = {
- { ABI_CLASS_ANSIC, LoaderVersionInfo.ansicVersion },
- { ABI_CLASS_VIDEODRV, LoaderVersionInfo.videodrvVersion },
- { ABI_CLASS_XINPUT, LoaderVersionInfo.xinputVersion },
- { ABI_CLASS_EXTENSION, LoaderVersionInfo.extensionVersion },
- { ABI_CLASS_FONT, LoaderVersionInfo.fontVersion },
- { NULL, 0 }
- };
- int i;
-
- for(i = 0; classes[i].name; i++) {
- if(!strcmp(classes[i].name, abiclass)) {
- return classes[i].version;
- }
- }
-
- return 0;
-}
+/*
+ * 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) 1997-2003 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
+
+#include <errno.h>
+#include <stdio.h>
+#include <stdlib.h>
+#include <sys/types.h>
+#include <unistd.h>
+#include <sys/stat.h>
+#include <fcntl.h>
+#include <string.h>
+#include <stdarg.h>
+
+#include "os.h"
+#include "loader.h"
+#include "loaderProcs.h"
+#include "xf86.h"
+#include "xf86Priv.h"
+#include "compiler.h"
+
+#ifdef HAVE_DLFCN_H
+
+#include <dlfcn.h>
+#include <X11/Xos.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
+
+#else
+#error i have no dynamic linker and i must scream
+#endif
+
+extern void *xorg_symbols[];
+
+void
+LoaderInit(void)
+{
+ xf86MsgVerb(X_INFO, 2, "Loader magic: %p\n", (void *)xorg_symbols);
+ xf86MsgVerb(X_INFO, 2, "Module ABI versions:\n");
+ xf86ErrorFVerb(2, "\t%s: %d.%d\n", ABI_CLASS_ANSIC,
+ GET_ABI_MAJOR(LoaderVersionInfo.ansicVersion),
+ GET_ABI_MINOR(LoaderVersionInfo.ansicVersion));
+ xf86ErrorFVerb(2, "\t%s: %d.%d\n", ABI_CLASS_VIDEODRV,
+ GET_ABI_MAJOR(LoaderVersionInfo.videodrvVersion),
+ GET_ABI_MINOR(LoaderVersionInfo.videodrvVersion));
+ xf86ErrorFVerb(2, "\t%s : %d.%d\n", ABI_CLASS_XINPUT,
+ GET_ABI_MAJOR(LoaderVersionInfo.xinputVersion),
+ GET_ABI_MINOR(LoaderVersionInfo.xinputVersion));
+ xf86ErrorFVerb(2, "\t%s : %d.%d\n", ABI_CLASS_EXTENSION,
+ GET_ABI_MAJOR(LoaderVersionInfo.extensionVersion),
+ GET_ABI_MINOR(LoaderVersionInfo.extensionVersion));
+
+}
+
+/* Public Interface to the loader. */
+
+void *
+LoaderOpen(const char *module, int *errmaj, int *errmin)
+{
+ void *ret;
+
+#if defined(DEBUG)
+ ErrorF("LoaderOpen(%s)\n", module);
+#endif
+
+ xf86Msg(X_INFO, "Loading %s\n", module);
+
+ 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 NULL;
+ }
+
+ return ret;
+}
+
+void *
+LoaderSymbol(const char *name)
+{
+ static void *global_scope = NULL;
+ void *p;
+
+ p = dlsym(RTLD_DEFAULT, name);
+ if (p != NULL)
+ return p;
+
+ if (!global_scope)
+ global_scope = dlopen(NULL, DLOPEN_LAZY | DLOPEN_GLOBAL);
+
+ if (global_scope)
+ return dlsym(global_scope, name);
+
+ return NULL;
+}
+
+void
+LoaderUnload(const char *name, void *handle)
+{
+ xf86Msg(X_INFO, "Unloading %s\n", name);
+ if (handle)
+ dlclose(handle);
+}
+
+unsigned long LoaderOptions = 0;
+
+void
+LoaderSetOptions(unsigned long opts)
+{
+ LoaderOptions |= opts;
+}
+
+Bool
+LoaderShouldIgnoreABI(void)
+{
+ return (LoaderOptions & LDR_OPT_ABI_MISMATCH_NONFATAL) != 0;
+}
+
+int
+LoaderGetABIVersion(const char *abiclass)
+{
+ struct {
+ const char *name;
+ int version;
+ } classes[] = {
+ { ABI_CLASS_ANSIC, LoaderVersionInfo.ansicVersion },
+ { ABI_CLASS_VIDEODRV, LoaderVersionInfo.videodrvVersion },
+ { ABI_CLASS_XINPUT, LoaderVersionInfo.xinputVersion },
+ { ABI_CLASS_EXTENSION, LoaderVersionInfo.extensionVersion },
+ { ABI_CLASS_FONT, LoaderVersionInfo.fontVersion },
+ { NULL, 0 }
+ };
+ int i;
+
+ for(i = 0; classes[i].name; i++) {
+ if(!strcmp(classes[i].name, abiclass)) {
+ return classes[i].version;
+ }
+ }
+
+ return 0;
+}