diff options
Diffstat (limited to 'hw/xfree86/loader')
| -rw-r--r-- | hw/xfree86/loader/Makefile.am | 33 | ||||
| -rw-r--r-- | hw/xfree86/loader/Makefile.in | 733 | ||||
| -rw-r--r-- | hw/xfree86/loader/loader.c | 208 | ||||
| -rw-r--r-- | hw/xfree86/loader/loader.h | 76 | ||||
| -rw-r--r-- | hw/xfree86/loader/loaderProcs.h | 94 | ||||
| -rw-r--r-- | hw/xfree86/loader/loadext.c | 440 | ||||
| -rw-r--r-- | hw/xfree86/loader/loadmod.c | 1261 | ||||
| -rw-r--r-- | hw/xfree86/loader/os.c | 72 | ||||
| -rwxr-xr-x | hw/xfree86/loader/sdksyms.sh | 424 |
9 files changed, 3341 insertions, 0 deletions
diff --git a/hw/xfree86/loader/Makefile.am b/hw/xfree86/loader/Makefile.am new file mode 100644 index 0000000..0e5b304 --- /dev/null +++ b/hw/xfree86/loader/Makefile.am @@ -0,0 +1,33 @@ +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 + +nodist_libloader_la_SOURCES = \ + sdksyms.c + +libloader_la_SOURCES = \ + loader.c \ + loaderProcs.h \ + loadext.c \ + loadmod.c \ + os.c + +libloader_la_LIBADD = $(DLOPEN_LIBS) + +CLEANFILES = sdksyms.c sdksyms.dep + +sdksyms.dep sdksyms.c: sdksyms.sh $(top_builddir)/include/do-not-use-config.h + CPP='$(CPP)' AWK='$(AWK)' $(srcdir)/sdksyms.sh $(top_srcdir) $(AM_CFLAGS) $(CFLAGS) $(INCLUDES) + +SDKSYMS_DEP = sdksyms.dep +include $(SDKSYMS_DEP) diff --git a/hw/xfree86/loader/Makefile.in b/hw/xfree86/loader/Makefile.in new file mode 100644 index 0000000..f7ea420 --- /dev/null +++ b/hw/xfree86/loader/Makefile.in @@ -0,0 +1,733 @@ +# Makefile.in generated by automake 1.11.1 from Makefile.am. +# @configure_input@ + +# Copyright (C) 1994, 1995, 1996, 1997, 1998, 1999, 2000, 2001, 2002, +# 2003, 2004, 2005, 2006, 2007, 2008, 2009 Free Software Foundation, +# Inc. +# This Makefile.in is free software; the Free Software Foundation +# gives unlimited permission to copy and/or distribute it, +# with or without modifications, as long as this notice is preserved. + +# This program is distributed in the hope that it will be useful, +# but WITHOUT ANY WARRANTY, to the extent permitted by law; without +# even the implied warranty of MERCHANTABILITY or FITNESS FOR A +# PARTICULAR PURPOSE. + +@SET_MAKE@ + +VPATH = @srcdir@ +pkgdatadir = $(datadir)/@PACKAGE@ +pkgincludedir = $(includedir)/@PACKAGE@ +pkglibdir = $(libdir)/@PACKAGE@ +pkglibexecdir = $(libexecdir)/@PACKAGE@ +am__cd = CDPATH="$${ZSH_VERSION+.}$(PATH_SEPARATOR)" && cd +install_sh_DATA = $(install_sh) -c -m 644 +install_sh_PROGRAM = $(install_sh) -c +install_sh_SCRIPT = $(install_sh) -c +INSTALL_HEADER = $(INSTALL_DATA) +transform = $(program_transform_name) +NORMAL_INSTALL = : +PRE_INSTALL = : +POST_INSTALL = : +NORMAL_UNINSTALL = : +PRE_UNINSTALL = : +POST_UNINSTALL = : +build_triplet = @build@ +host_triplet = @host@ +subdir = hw/xfree86/loader +DIST_COMMON = $(srcdir)/Makefile.am $(srcdir)/Makefile.in +ACLOCAL_M4 = $(top_srcdir)/aclocal.m4 +am__aclocal_m4_deps = $(top_srcdir)/m4/ac_define_dir.m4 \ + $(top_srcdir)/m4/ax_tls.m4 $(top_srcdir)/configure.ac +am__configure_deps = $(am__aclocal_m4_deps) $(CONFIGURE_DEPENDENCIES) \ + $(ACLOCAL_M4) +mkinstalldirs = $(install_sh) -d +CONFIG_HEADER = $(top_builddir)/include/do-not-use-config.h \ + $(top_builddir)/include/xorg-server.h \ + $(top_builddir)/include/dix-config.h \ + $(top_builddir)/include/xorg-config.h \ + $(top_builddir)/include/xkb-config.h \ + $(top_builddir)/include/xwin-config.h \ + $(top_builddir)/include/kdrive-config.h \ + $(top_builddir)/include/version-config.h +CONFIG_CLEAN_FILES = +CONFIG_CLEAN_VPATH_FILES = +LTLIBRARIES = $(noinst_LTLIBRARIES) +am__DEPENDENCIES_1 = +libloader_la_DEPENDENCIES = $(am__DEPENDENCIES_1) +am_libloader_la_OBJECTS = loader.lo loadext.lo loadmod.lo os.lo +nodist_libloader_la_OBJECTS = sdksyms.lo +libloader_la_OBJECTS = $(am_libloader_la_OBJECTS) \ + $(nodist_libloader_la_OBJECTS) +AM_V_lt = $(am__v_lt_$(V)) +am__v_lt_ = $(am__v_lt_$(AM_DEFAULT_VERBOSITY)) +am__v_lt_0 = --silent +DEFAULT_INCLUDES = -I.@am__isrc@ -I$(top_builddir)/include +depcomp = $(SHELL) $(top_srcdir)/depcomp +am__depfiles_maybe = depfiles +am__mv = mv -f +COMPILE = $(CC) $(DEFS) $(DEFAULT_INCLUDES) $(INCLUDES) $(AM_CPPFLAGS) \ + $(CPPFLAGS) $(AM_CFLAGS) $(CFLAGS) +LTCOMPILE = $(LIBTOOL) $(AM_V_lt) --tag=CC $(AM_LIBTOOLFLAGS) \ + $(LIBTOOLFLAGS) --mode=compile $(CC) $(DEFS) \ + 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install-exec install-exec-am install-html \ + install-html-am install-info install-info-am install-man \ + install-pdf install-pdf-am install-ps install-ps-am \ + install-strip installcheck installcheck-am installdirs \ + maintainer-clean maintainer-clean-generic mostlyclean \ + mostlyclean-compile mostlyclean-generic mostlyclean-libtool \ + pdf pdf-am ps ps-am tags uninstall uninstall-am + + +sdksyms.dep sdksyms.c: sdksyms.sh $(top_builddir)/include/do-not-use-config.h + CPP='$(CPP)' AWK='$(AWK)' $(srcdir)/sdksyms.sh $(top_srcdir) $(AM_CFLAGS) $(CFLAGS) $(INCLUDES) +include $(SDKSYMS_DEP) + +# Tell versions [3.59,3.63) of GNU make to not export all variables. +# Otherwise a system limit (for SysV at least) may be exceeded. +.NOEXPORT: diff --git a/hw/xfree86/loader/loader.c b/hw/xfree86/loader/loader.c new file mode 100644 index 0000000..159b611 --- /dev/null +++ b/hw/xfree86/loader/loader.c @@ -0,0 +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)); + +} + +/* 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; +} diff --git a/hw/xfree86/loader/loader.h b/hw/xfree86/loader/loader.h new file mode 100644 index 0000000..edea911 --- /dev/null +++ b/hw/xfree86/loader/loader.h @@ -0,0 +1,76 @@ +/* + * 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) 1997-2001 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 _LOADER_H +#define _LOADER_H + +#include <X11/Xosdefs.h> +#include <X11/Xfuncproto.h> +#include <X11/Xmd.h> + +/* Compiled-in version information */ +typedef struct { + int xf86Version; + int ansicVersion; + int videodrvVersion; + int xinputVersion; + int extensionVersion; + int fontVersion; +} ModuleVersions; +extern const ModuleVersions LoaderVersionInfo; + +extern unsigned long LoaderOptions; + +/* Internal Functions */ +void * LoaderOpen(const char *, int *, int *); + +#endif /* _LOADER_H */ diff --git a/hw/xfree86/loader/loaderProcs.h b/hw/xfree86/loader/loaderProcs.h new file mode 100644 index 0000000..0b67c5f --- /dev/null +++ b/hw/xfree86/loader/loaderProcs.h @@ -0,0 +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; + 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/hw/xfree86/loader/loadext.c b/hw/xfree86/loader/loadext.c new file mode 100644 index 0000000..4078b77 --- /dev/null +++ b/hw/xfree86/loader/loadext.c @@ -0,0 +1,440 @@ +/* + * Copyright (c) 2000 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). + */ + +/* Maybe this file belongs elsewhere? */ + +#define LOADERDECLARATIONS +#ifdef HAVE_XORG_CONFIG_H +#include <xorg-config.h> +#endif + +#include "loaderProcs.h" +#include "misc.h" +#include "xf86.h" + +/* + * This should be static, but miinitext wants it. FIXME: make extension + * initialization not completely terrible. + */ +ExtensionModule *ExtensionModuleList = NULL; +static int numExtensionModules = 0; + +static ExtensionModule * +NewExtensionModule(void) +{ + ExtensionModule *save = ExtensionModuleList; + int n; + + /* Sanity check */ + if (!ExtensionModuleList) + numExtensionModules = 0; + + n = numExtensionModules + 1; + ExtensionModuleList = realloc(ExtensionModuleList, + (n + 1) * sizeof(ExtensionModule)); + if (ExtensionModuleList == NULL) { + ExtensionModuleList = save; + return NULL; + } else { + numExtensionModules++; + ExtensionModuleList[numExtensionModules].name = NULL; + return ExtensionModuleList + (numExtensionModules - 1); + } +} + +void +LoadExtension(ExtensionModule * e, Bool builtin) +{ + ExtensionModule *newext; + + if (e == NULL || e->name == NULL) + return; + + if (!(newext = NewExtensionModule())) + return; + + if (builtin) + xf86MsgVerb(X_INFO, 2, "Initializing built-in extension %s\n", + e->name); + else + xf86MsgVerb(X_INFO, 2, "Loading extension %s\n", e->name); + + newext->name = e->name; + newext->initFunc = e->initFunc; + newext->disablePtr = e->disablePtr; + newext->setupFunc = e->setupFunc; + newext->initDependencies = e->initDependencies; + + if (e->setupFunc != NULL) + e->setupFunc(); +} + +/* + * Sort ExtensionModuleList according to the initialisation order + * dependencies. The code for this is taken from BSD's tsort, + * and carries the following copyright/license: + * + * + * Copyright (c) 1989, 1993, 1994 + * The Regents of the University of California. All rights reserved. + * + * This code is derived from software contributed to Berkeley by + * Michael Rendell of Memorial University of Newfoundland. + * + * Redistribution and use in source and binary forms, with or without + * modification, are permitted provided that the following conditions + * are met: + * 1. Redistributions of source code must retain the above copyright + * notice, this list of conditions and the following disclaimer. + * 2. Redistributions in binary form must reproduce the above copyright + * notice, this list of conditions and the following disclaimer in the + * documentation and/or other materials provided with the distribution. + * 3. All advertising materials mentioning features or use of this software + * must display the following acknowledgement: + * This product includes software developed by the University of + * California, Berkeley and its contributors. + * 4. Neither the name of the University nor the names of its contributors + * may be used to endorse or promote products derived from this software + * without specific prior written permission. + * + * THIS SOFTWARE IS PROVIDED BY THE REGENTS AND CONTRIBUTORS ``AS IS'' AND + * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE + * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE + * ARE DISCLAIMED. IN NO EVENT SHALL THE REGENTS OR CONTRIBUTORS BE LIABLE + * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL + * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS + * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) + * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT + * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY + * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF + * SUCH DAMAGE. + */ + +#define NF_MARK 0x1 /* marker for cycle detection */ +#define NF_ACYCLIC 0x2 /* this node is cycle free */ +#define NF_NODEST 0x4 /* Unreachable */ + +typedef struct node_str NODE; +struct node_str { + NODE **n_prevp; /* pointer to previous node's n_next */ + NODE *n_next; /* next node in graph */ + NODE **n_arcs; /* array of arcs to other nodes */ + int n_narcs; /* number of arcs in n_arcs[] */ + int n_arcsize; /* size of n_arcs[] array */ + int n_refcnt; /* # of arcs pointing to this node */ + int n_flags; /* NF_* */ + const char *n_name; /* name of this node */ +}; + +static NODE *graph = NULL, **cycle_buf = NULL, **longest_cycle = NULL; +static int longest = 0; +static NODE *sorted = NULL, *last = NULL; + +/* Find a node in the graph (insert if not found) and return a pointer to it. */ +static NODE * +get_node(const char *name) +{ + NODE *n; + + for (n = graph; n && n->n_name && strcmp(n->n_name, name); + n = n->n_next) ; + if (n) + return n; + + n = xnfalloc(sizeof(NODE)); + + n->n_narcs = 0; + n->n_arcsize = 0; + n->n_arcs = NULL; + n->n_refcnt = 0; + n->n_flags = 0; + n->n_name = name; + + /* Add to linked list. */ + if ((n->n_next = graph) != NULL) + graph->n_prevp = &n->n_next; + n->n_prevp = &graph; + graph = n; + + return n; +} + +/* + * add an arc from node s1 to node s2 in the graph. If s1 or s2 are not in + * the graph, then add them. + */ +static void +add_arc(const char *s1, const char *s2) +{ + NODE *n1; + NODE *n2; + int bsize, i; + + n1 = get_node(s1); + + if (!strcmp(s1, s2)) + return; + + n2 = get_node(s2); + + /* + * Check if this arc is already here. + */ + for (i = 0; i < n1->n_narcs; i++) + if (n1->n_arcs[i] == n2) + return; + /* + * Add it. + */ + if (n1->n_narcs == n1->n_arcsize) { + if (!n1->n_arcsize) + n1->n_arcsize = 10; + bsize = n1->n_arcsize * sizeof(*n1->n_arcs) * 2; + n1->n_arcs = xnfrealloc(n1->n_arcs, bsize); + n1->n_arcsize = bsize / sizeof(*n1->n_arcs); + } + n1->n_arcs[n1->n_narcs++] = n2; + ++n2->n_refcnt; +} + +/* + * Clear the NODEST flag from all nodes. + */ +static void +clear_cycle(void) +{ + NODE *n; + + for (n = graph; n != NULL; n = n->n_next) + n->n_flags &= ~NF_NODEST; +} + +/* print node and remove from graph (does not actually free node) */ +static void +remove_node(NODE * n) +{ + NODE **np; + NODE *newnode; + int i; + +#ifdef DEBUG + ErrorF("%s\n", n->n_name); +#endif + newnode = xnfalloc(sizeof(NODE)); + memcpy(newnode, n, sizeof(NODE)); + if (last) + last->n_next = newnode; + else + sorted = newnode; + last = newnode; + newnode->n_next = NULL; + + for (np = n->n_arcs, i = n->n_narcs; --i >= 0; np++) + --(*np)->n_refcnt; + n->n_narcs = 0; + *n->n_prevp = n->n_next; + if (n->n_next) + n->n_next->n_prevp = n->n_prevp; +} + +static void +free_nodes(NODE * nodelist) +{ + NODE *n, *nextnode; + + for (n = nodelist; n;) { + nextnode = n->n_next; + free(n); + n = nextnode; + } +} + +/* look for the longest? cycle from node from to node to. */ +static int +find_cycle(NODE * from, NODE * to, int longest_len, int depth) +{ + NODE **np; + int i, len; + + /* + * avoid infinite loops and ignore portions of the graph known + * to be acyclic + */ + if (from->n_flags & (NF_NODEST | NF_MARK | NF_ACYCLIC)) + return 0; + from->n_flags |= NF_MARK; + + for (np = from->n_arcs, i = from->n_narcs; --i >= 0; np++) { + cycle_buf[depth] = *np; + if (*np == to) { + if (depth + 1 > longest_len) { + longest_len = depth + 1; + memcpy((char *)longest_cycle, + (char *)cycle_buf, longest_len * sizeof(NODE *)); + } + } else { + if ((*np)->n_flags & (NF_MARK | NF_ACYCLIC | NF_NODEST)) + continue; + len = find_cycle(*np, to, longest_len, depth + 1); + +#ifdef DEBUG + ErrorF("%*s %s->%s %d\n", depth, "", + from->n_name, to->n_name, len); +#endif + + if (len == 0) + (*np)->n_flags |= NF_NODEST; + + if (len > longest_len) + longest_len = len; + + if (len > 0 && !longest) + break; + } + } + from->n_flags &= ~NF_MARK; + return longest_len; +} + +/* do topological sort on graph */ +static void +tsort(void) +{ + NODE *n, *next; + int cnt, i; + + while (graph != NULL) { + /* + * Keep getting rid of simple cases until there are none left, + * if there are any nodes still in the graph, then there is + * a cycle in it. + */ + do { + for (cnt = 0, n = graph; n != NULL; n = next) { + next = n->n_next; + if (n->n_refcnt == 0) { + remove_node(n); + ++cnt; + } + } + } while (graph != NULL && cnt); + + if (graph == NULL) + break; + + if (!cycle_buf) { + /* + * Allocate space for two cycle logs - one to be used + * as scratch space, the other to save the longest + * cycle. + */ + for (cnt = 0, n = graph; n != NULL; n = n->n_next) + ++cnt; + cycle_buf = xnfalloc(sizeof(NODE *) * cnt); + longest_cycle = xnfalloc(sizeof(NODE *) * cnt); + if (cycle_buf == NULL || longest_cycle == NULL) + return; + } + for (n = graph; n != NULL; n = n->n_next) + if (!(n->n_flags & NF_ACYCLIC)) { + if ((cnt = find_cycle(n, n, 0, 0))) { + ErrorF("tsort: cycle in data"); + for (i = 0; i < cnt; i++) + ErrorF("%s", longest_cycle[i]->n_name); + remove_node(n); + clear_cycle(); + break; + } else { + /* to avoid further checks */ + n->n_flags |= NF_ACYCLIC; + clear_cycle(); + } + } + + if (n == NULL) + ErrorF("tsort: internal error -- could not find cycle"); + } + free(cycle_buf); + free(longest_cycle); + if (graph) + free_nodes(graph); +} + +void +LoaderSortExtensions(void) +{ + int i, j; + ExtensionModule *ext, *newList; + NODE *node; + + graph = NULL; + longest = 0; + sorted = NULL; + last = NULL; + cycle_buf = NULL; + longest_cycle = NULL; + + /* + * Parse list and build the graph. Enter them in reverse order + * because tsort() will reverse those that have no depedencies. + */ + for (i = numExtensionModules - 1; i >= 0; i--) { + ext = &ExtensionModuleList[i]; + add_arc(ext->name, ext->name); +#ifdef DEBUG + ErrorF("Extension %s:\n", ext->name); +#endif + if (ext->initDependencies) + for (j = 0; ext->initDependencies[j]; j++) { + add_arc(ext->initDependencies[j], ext->name); +#ifdef DEBUG + ErrorF("\t%s\n", ext->initDependencies[j]); +#endif + } + } + tsort(); + newList = xnfalloc((numExtensionModules + 1) * sizeof(ExtensionModule)); + i = 0; + for (node = sorted; node; node = node->n_next) { + for (j = 0; j < numExtensionModules; j++) + if (!strcmp(node->n_name, ExtensionModuleList[j].name)) + break; + if (j != numExtensionModules) + newList[i++] = ExtensionModuleList[j]; + } + if (sorted) + free_nodes(sorted); + if (graph) + free_nodes(graph); + newList[i].name = NULL; + free(ExtensionModuleList); + ExtensionModuleList = newList; +#ifdef DEBUG + for (i = 0; ExtensionModuleList[i].name; i++) + ErrorF("Extension %s\n", ExtensionModuleList[i].name); +#endif +} diff --git a/hw/xfree86/loader/loadmod.c b/hw/xfree86/loader/loadmod.c new file mode 100644 index 0000000..46ce68b --- /dev/null +++ b/hw/xfree86/loader/loadmod.c @@ -0,0 +1,1261 @@ +/* + * 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 + +#include "os.h" +/* For stat() and related stuff */ +#define NO_OSLIB_PROTOTYPES +#include "xf86_OSlib.h" +#define LOADERDECLARATIONS +#include "loaderProcs.h" +#include "misc.h" +#include "xf86.h" +#include "xf86Priv.h" +#include "xf86Xinput.h" +#include "loader.h" +#include "xf86Optrec.h" + +#include <sys/types.h> +#include <regex.h> +#include <dirent.h> +#include <limits.h> + +typedef struct _pattern { + const char *pattern; + regex_t rex; +} PatternRec, *PatternPtr; + +/* Prototypes for static functions */ +static char *FindModule(const char *, const char *, const char **, + PatternPtr); +static Bool CheckVersion(const char *, XF86ModuleVersionInfo *, + const XF86ModReqInfo *); +static void UnloadModuleOrDriver(ModuleDescPtr mod); +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 *); + +const ModuleVersions LoaderVersionInfo = { + XORG_VERSION_CURRENT, + ABI_ANSIC_VERSION, + ABI_VIDEODRV_VERSION, + ABI_XINPUT_VERSION, + ABI_EXTENSION_VERSION, + ABI_FONT_VERSION +}; + +static void +FreeStringList(char **paths) +{ + char **p; + + if (!paths) + return; + + for (p = paths; *p; p++) + free(*p); + + free(paths); +} + +static char **defaultPathList = NULL; + +static Bool +PathIsAbsolute(const char *path) +{ + return *path == '/'; +} + +/* + * Convert a comma-separated path into a NULL-terminated array of path + * elements, rejecting any that are not full absolute paths, and appending + * a '/' when it isn't already present. + */ +static char ** +InitPathList(const char *path) +{ + char *fullpath = NULL; + char *elem = NULL; + char **list = NULL, **save = NULL; + int len; + int addslash; + int n = 0; + + if (!path) + return defaultPathList; + + fullpath = strdup(path); + if (!fullpath) + return NULL; + elem = strtok(fullpath, ","); + while (elem) { + if (PathIsAbsolute(elem)) + { + len = strlen(elem); + addslash = (elem[len - 1] != '/'); + if (addslash) + len++; + save = list; + list = realloc(list, (n + 2) * sizeof(char *)); + if (!list) { + if (save) { + save[n] = NULL; + FreeStringList(save); + } + free(fullpath); + return NULL; + } + list[n] = malloc(len + 1); + if (!list[n]) { + FreeStringList(list); + free(fullpath); + return NULL; + } + strcpy(list[n], elem); + if (addslash) { + list[n][len - 1] = '/'; + list[n][len] = '\0'; + } + n++; + } + elem = strtok(NULL, ","); + } + if (list) + list[n] = NULL; + free(fullpath); + return list; +} + +static void +FreePathList(char **pathlist) +{ + if (pathlist && pathlist != defaultPathList) + FreeStringList(pathlist); +} + +void +LoaderSetPath(const char *path) +{ + if (!path) + return; + + defaultPathList = InitPathList(path); +} + +/* Standard set of module subdirectories to search, in order of preference */ +static const char *stdSubdirs[] = { + "", + "input/", + "drivers/", + "multimedia/", + "extensions/", + "internal/", + NULL +}; + +/* + * Standard set of module name patterns to check, in order of preference + * These are regular expressions (suitable for use with POSIX regex(3)). + * + * This list assumes that you're an ELFish platform and therefore your + * shared libraries are named something.so. If we're ever nuts enough + * to port this DDX to, say, Darwin, we'll need to fix this. + */ +static PatternRec stdPatterns[] = { + {"^lib(.*)\\.so$",}, + {"(.*)_drv\\.so$",}, + {"(.*)\\.so$",}, + {NULL,} +}; + +static PatternPtr +InitPatterns(const char **patternlist) +{ + char errmsg[80]; + int i, e; + PatternPtr patterns = NULL; + PatternPtr p = NULL; + static int firstTime = 1; + const char **s; + + if (firstTime) { + /* precompile stdPatterns */ + firstTime = 0; + for (p = stdPatterns; p->pattern; p++) + if ((e = regcomp(&p->rex, p->pattern, REG_EXTENDED)) != 0) { + regerror(e, &p->rex, errmsg, sizeof(errmsg)); + FatalError("InitPatterns: regcomp error for `%s': %s\n", + p->pattern, errmsg); + } + } + + if (patternlist) { + for (i = 0, s = patternlist; *s; i++, s++) + if (*s == DEFAULT_LIST) + i += sizeof(stdPatterns) / sizeof(stdPatterns[0]) - 1 - 1; + patterns = malloc((i + 1) * sizeof(PatternRec)); + if (!patterns) { + return NULL; + } + for (i = 0, s = patternlist; *s; i++, s++) + if (*s != DEFAULT_LIST) { + p = patterns + i; + p->pattern = *s; + if ((e = regcomp(&p->rex, p->pattern, REG_EXTENDED)) != 0) { + regerror(e, &p->rex, errmsg, sizeof(errmsg)); + ErrorF("InitPatterns: regcomp error for `%s': %s\n", + p->pattern, errmsg); + i--; + } + } else { + for (p = stdPatterns; p->pattern; p++, i++) + patterns[i] = *p; + if (p != stdPatterns) + i--; + } + patterns[i].pattern = NULL; + } else + patterns = stdPatterns; + return patterns; +} + +static void +FreePatterns(PatternPtr patterns) +{ + if (patterns && patterns != stdPatterns) + free(patterns); +} + +static const char ** +InitSubdirs(const char **subdirlist) +{ + int i; + const char **tmp_subdirlist = NULL; + char **subdirs = NULL; + const char **s, **stmp = NULL; + const char *osname; + const char *slash; + int oslen = 0, len; + Bool indefault; + + if (subdirlist == NULL) { + subdirlist = tmp_subdirlist = malloc(2 * sizeof(char *)); + if (subdirlist == NULL) + return NULL; + subdirlist[0] = DEFAULT_LIST; + subdirlist[1] = NULL; + } + + LoaderGetOS(&osname, NULL, NULL, NULL); + oslen = strlen(osname); + + { + /* Count number of entries and check for invalid paths */ + for (i = 0, s = subdirlist; *s; i++, s++) { + if (*s == DEFAULT_LIST) { + i += sizeof(stdSubdirs) / sizeof(stdSubdirs[0]) - 1 - 1; + } else { + /* + * Path validity check. Don't allow absolute paths, or + * paths containing "..". To catch absolute paths on + * platforms that use driver letters, don't allow the ':' + * character to appear at all. + */ + if (**s == '/' || **s == '\\' || strchr(*s, ':') || + strstr(*s, "..")) { + xf86Msg(X_ERROR, "InitSubdirs: Bad subdir: \"%s\"\n", *s); + free(tmp_subdirlist); + return NULL; + } + } + } + subdirs = malloc((i * 2 + 1) * sizeof(char *)); + if (!subdirs) { + free(tmp_subdirlist); + return NULL; + } + i = 0; + s = subdirlist; + indefault = FALSE; + while (*s) { + if (*s == DEFAULT_LIST) { + /* Divert to the default list */ + indefault = TRUE; + stmp = ++s; + s = stdSubdirs; + } + len = strlen(*s); + if (**s && (*s)[len - 1] != '/') { + slash = "/"; + len++; + } else + slash = ""; + len += oslen + 2; + if (!(subdirs[i] = malloc(len))) { + while (--i >= 0) + free(subdirs[i]); + free(subdirs); + free(tmp_subdirlist); + return NULL; + } + /* tack on the OS name */ + sprintf(subdirs[i], "%s%s%s/", *s, slash, osname); + i++; + /* path as given */ + subdirs[i] = strdup(*s); + i++; + s++; + if (indefault && !s) { + /* revert back to the main list */ + indefault = FALSE; + s = stmp; + } + } + subdirs[i] = NULL; + } + free(tmp_subdirlist); + return (const char **)subdirs; +} + +static void +FreeSubdirs(const char **subdirs) +{ + const char **s; + + if (subdirs) { + for (s = subdirs; *s; s++) + free((char *)*s); + free(subdirs); + } +} + +static char * +FindModuleInSubdir(const char *dirpath, const char *module) +{ + struct dirent *direntry = NULL; + DIR *dir = NULL; + char *ret = NULL, tmpBuf[PATH_MAX]; + struct stat stat_buf; + + dir = opendir(dirpath); + if (!dir) + return NULL; + + while ((direntry = readdir(dir))) { + if (direntry->d_name[0] == '.') + continue; + snprintf(tmpBuf, PATH_MAX, "%s%s/", dirpath, direntry->d_name); + /* the stat with the appended / fails for normal files, + and works for sub dirs fine, looks a bit strange in strace + but does seem to work */ + if ((stat(tmpBuf, &stat_buf) == 0) && S_ISDIR(stat_buf.st_mode)) { + if ((ret = FindModuleInSubdir(tmpBuf, module))) + break; + continue; + } + + snprintf(tmpBuf, PATH_MAX, "lib%s.so", module); + if (strcmp(direntry->d_name, tmpBuf) == 0) { + if (asprintf(&ret, "%s%s", dirpath, tmpBuf) == -1) + ret = NULL; + break; + } + + snprintf(tmpBuf, PATH_MAX, "%s_drv.so", module); + if (strcmp(direntry->d_name, tmpBuf) == 0) { + if (asprintf(&ret, "%s%s", dirpath, tmpBuf) == -1) + ret = NULL; + break; + } + + snprintf(tmpBuf, PATH_MAX, "%s.so", module); + if (strcmp(direntry->d_name, tmpBuf) == 0) { + if (asprintf(&ret, "%s%s", dirpath, tmpBuf) == -1) + ret = NULL; + break; + } + } + + closedir(dir); + return ret; +} + +static char * +FindModule(const char *module, const char *dirname, const char **subdirlist, + PatternPtr patterns) +{ + char buf[PATH_MAX + 1]; + char *dirpath = NULL; + char *name = NULL; + int dirlen; + const char **subdirs = NULL; + const char **s; + + dirpath = (char *)dirname; + if (strlen(dirpath) > PATH_MAX) + return NULL; + + subdirs = InitSubdirs(subdirlist); + if (!subdirs) + return NULL; + + for (s = subdirs; *s; s++) { + if ((dirlen = strlen(dirpath) + strlen(*s)) > PATH_MAX) + continue; + strcpy(buf, dirpath); + strcat(buf, *s); + if ((name = FindModuleInSubdir(buf, module))) + break; + } + + FreeSubdirs(subdirs); + if (dirpath != dirname) + free(dirpath); + + return name; +} + +char ** +LoaderListDirs(const char **subdirlist, const char **patternlist) +{ + char buf[PATH_MAX + 1]; + char **pathlist; + char **elem; + const char **subdirs; + const char **s; + PatternPtr patterns; + PatternPtr p; + DIR *d; + struct dirent *dp; + regmatch_t match[2]; + struct stat stat_buf; + int len, dirlen; + char *fp; + char **listing = NULL; + char **save; + int n = 0; + + if (!(pathlist = InitPathList(NULL))) + return NULL; + if (!(subdirs = InitSubdirs(subdirlist))) { + FreePathList(pathlist); + return NULL; + } + if (!(patterns = InitPatterns(patternlist))) { + FreePathList(pathlist); + FreeSubdirs(subdirs); + return NULL; + } + + for (elem = pathlist; *elem; elem++) { + for (s = subdirs; *s; s++) { + if ((dirlen = strlen(*elem) + strlen(*s)) > PATH_MAX) + continue; + strcpy(buf, *elem); + strcat(buf, *s); + fp = buf + dirlen; + if (stat(buf, &stat_buf) == 0 && S_ISDIR(stat_buf.st_mode) && + (d = opendir(buf))) { + if (buf[dirlen - 1] != '/') { + buf[dirlen++] = '/'; + fp++; + } + while ((dp = readdir(d))) { + if (dirlen + strlen(dp->d_name) > PATH_MAX) + continue; + strcpy(fp, dp->d_name); + if (!(stat(buf, &stat_buf) == 0 && + S_ISREG(stat_buf.st_mode))) + continue; + for (p = patterns; p->pattern; p++) { + if (regexec(&p->rex, dp->d_name, 2, match, 0) == 0 && + match[1].rm_so != -1) { + len = match[1].rm_eo - match[1].rm_so; + save = listing; + listing = realloc(listing, + (n + 2) * sizeof(char *)); + if (!listing) { + if (save) { + save[n] = NULL; + FreeStringList(save); + } + FreePathList(pathlist); + FreeSubdirs(subdirs); + FreePatterns(patterns); + closedir(d); + return NULL; + } + listing[n] = malloc(len + 1); + if (!listing[n]) { + FreeStringList(listing); + FreePathList(pathlist); + FreeSubdirs(subdirs); + FreePatterns(patterns); + closedir(d); + return NULL; + } + strncpy(listing[n], dp->d_name + match[1].rm_so, + len); + listing[n][len] = '\0'; + n++; + break; + } + } + } + closedir(d); + } + } + } + if (listing) + listing[n] = NULL; + + FreePathList(pathlist); + FreeSubdirs(subdirs); + FreePatterns(patterns); + return listing; +} + +void +LoaderFreeDirList(char **list) +{ + FreeStringList(list); +} + +static Bool +CheckVersion(const char *module, XF86ModuleVersionInfo * data, + const XF86ModReqInfo * req) +{ + int vercode[4]; + char verstr[4]; + long ver = data->xf86version; + MessageType errtype; + + xf86Msg(X_INFO, "Module %s: vendor=\"%s\"\n", + data->modname ? data->modname : "UNKNOWN!", + data->vendor ? data->vendor : "UNKNOWN!"); + + /* Check for the different scheme used in XFree86 4.0.x releases: + * ((((((((major << 7) | minor) << 7) | subminor) << 5) | beta) << 5) | alpha) + * Since it wasn't used in 4.1.0 or later, limit to versions in the 4.0.x + * range, which limits the overlap with the new version scheme to conflicts + * with 6.71.8.764 through 6.72.39.934. + */ + if ((ver > (4 << 24)) && (ver < ( (4 << 24) + (1 << 17)))) { + /* 4.0.x and earlier */ + verstr[1] = verstr[3] = 0; + verstr[2] = (ver & 0x1f) ? (ver & 0x1f) + 'a' - 1 : 0; + ver >>= 5; + verstr[0] = (ver & 0x1f) ? (ver & 0x1f) + 'A' - 1 : 0; + ver >>= 5; + vercode[2] = ver & 0x7f; + ver >>= 7; + vercode[1] = ver & 0x7f; + ver >>= 7; + vercode[0] = ver; + xf86ErrorF("\tcompiled for %d.%d", vercode[0], vercode[1]); + if (vercode[2] != 0) + xf86ErrorF(".%d", vercode[2]); + xf86ErrorF("%s%s, module version = %d.%d.%d\n", verstr, verstr + 2, + data->majorversion, data->minorversion, data->patchlevel); + } else { + vercode[0] = ver / 10000000; + vercode[1] = (ver / 100000) % 100; + vercode[2] = (ver / 1000) % 100; + vercode[3] = ver % 1000; + xf86ErrorF("\tcompiled for %d.%d.%d", vercode[0], vercode[1], + vercode[2]); + if (vercode[3] != 0) + xf86ErrorF(".%d", vercode[3]); + xf86ErrorF(", module version = %d.%d.%d\n", data->majorversion, + data->minorversion, data->patchlevel); + } + + if (data->moduleclass) + xf86ErrorFVerb(2, "\tModule class: %s\n", data->moduleclass); + + ver = -1; + if (data->abiclass) { + int abimaj, abimin; + int vermaj, vermin; + + if (!strcmp(data->abiclass, ABI_CLASS_ANSIC)) + ver = LoaderVersionInfo.ansicVersion; + else if (!strcmp(data->abiclass, ABI_CLASS_VIDEODRV)) + ver = LoaderVersionInfo.videodrvVersion; + else if (!strcmp(data->abiclass, ABI_CLASS_XINPUT)) + ver = LoaderVersionInfo.xinputVersion; + else if (!strcmp(data->abiclass, ABI_CLASS_EXTENSION)) + ver = LoaderVersionInfo.extensionVersion; + else if (!strcmp(data->abiclass, ABI_CLASS_FONT)) + ver = LoaderVersionInfo.fontVersion; + + abimaj = GET_ABI_MAJOR(data->abiversion); + abimin = GET_ABI_MINOR(data->abiversion); + xf86ErrorFVerb(2, "\tABI class: %s, version %d.%d\n", + data->abiclass, abimaj, abimin); + if (ver != -1) { + vermaj = GET_ABI_MAJOR(ver); + vermin = GET_ABI_MINOR(ver); + if (abimaj != vermaj) { + if (LoaderOptions & LDR_OPT_ABI_MISMATCH_NONFATAL) + errtype = X_WARNING; + else + errtype = X_ERROR; + xf86MsgVerb(errtype, 0, + "module ABI major version (%d) doesn't" + " match the server's version (%d)\n", + abimaj, vermaj); + if (!(LoaderOptions & LDR_OPT_ABI_MISMATCH_NONFATAL)) + return FALSE; + } else if (abimin > vermin) { + if (LoaderOptions & LDR_OPT_ABI_MISMATCH_NONFATAL) + errtype = X_WARNING; + else + errtype = X_ERROR; + xf86MsgVerb(errtype, 0, + "module ABI minor version (%d) is " + "newer than the server's version " + "(%d)\n", abimin, vermin); + if (!(LoaderOptions & LDR_OPT_ABI_MISMATCH_NONFATAL)) + return FALSE; + } + } + } + + /* Check against requirements that the caller has specified */ + if (req) { + if (req->majorversion != MAJOR_UNSPEC) { + if (data->majorversion != req->majorversion) { + xf86MsgVerb(X_WARNING, 2, "module major version (%d) " + "doesn't match required major version (%d)\n", + data->majorversion, req->majorversion); + return FALSE; + } else if (req->minorversion != MINOR_UNSPEC) { + if (data->minorversion < req->minorversion) { + xf86MsgVerb(X_WARNING, 2, "module minor version (%d) " + "is less than the required minor version (%d)\n", + data->minorversion, req->minorversion); + return FALSE; + } else if (data->minorversion == req->minorversion && + req->patchlevel != PATCH_UNSPEC) { + if (data->patchlevel < req->patchlevel) { + xf86MsgVerb(X_WARNING, 2, "module patch level (%d) " + "is less than the required patch level (%d)\n", + data->patchlevel, req->patchlevel); + return FALSE; + } + } + } + } + if (req->moduleclass) { + if (!data->moduleclass || + strcmp(req->moduleclass, data->moduleclass)) { + xf86MsgVerb(X_WARNING, 2, "Module class (%s) doesn't match " + "the required class (%s)\n", + data->moduleclass ? data->moduleclass : "<NONE>", + req->moduleclass); + return FALSE; + } + } else if (req->abiclass != ABI_CLASS_NONE) { + if (!data->abiclass || strcmp(req->abiclass, data->abiclass)) { + xf86MsgVerb(X_WARNING, 2, "ABI class (%s) doesn't match the " + "required ABI class (%s)\n", + data->abiclass ? data->abiclass : "<NONE>", + req->abiclass); + return FALSE; + } + } + if ((req->abiclass != ABI_CLASS_NONE) && + req->abiversion != ABI_VERS_UNSPEC) { + int reqmaj, reqmin, maj, min; + + reqmaj = GET_ABI_MAJOR(req->abiversion); + reqmin = GET_ABI_MINOR(req->abiversion); + maj = GET_ABI_MAJOR(data->abiversion); + min = GET_ABI_MINOR(data->abiversion); + if (maj != reqmaj) { + xf86MsgVerb(X_WARNING, 2, "ABI major version (%d) doesn't " + "match the required ABI major version (%d)\n", + maj, reqmaj); + return FALSE; + } + /* XXX Maybe this should be the other way around? */ + if (min > reqmin) { + xf86MsgVerb(X_WARNING, 2, "module ABI minor version (%d) " + "is newer than that available (%d)\n", min, reqmin); + return FALSE; + } + } + } + return TRUE; +} + +static ModuleDescPtr +AddSibling(ModuleDescPtr head, ModuleDescPtr new) +{ + new->sib = head; + return new; +} + +pointer +LoadSubModule(pointer _parent, const char *module, + const char **subdirlist, const char **patternlist, + pointer options, const XF86ModReqInfo * modreq, + int *errmaj, int *errmin) +{ + ModuleDescPtr submod; + ModuleDescPtr parent = (ModuleDescPtr)_parent; + + xf86MsgVerb(X_INFO, 3, "Loading sub module \"%s\"\n", module); + + if (PathIsAbsolute(module)) { + xf86Msg(X_ERROR, + "LoadSubModule: Absolute module path not permitted: \"%s\"\n", + module); + if (errmaj) + *errmaj = LDR_BADUSAGE; + if (errmin) + *errmin = 0; + return NULL; + } + + submod = doLoadModule(module, NULL, subdirlist, patternlist, options, + modreq, errmaj, errmin); + if (submod && submod != (ModuleDescPtr) 1) { + parent->child = AddSibling(parent->child, submod); + submod->parent = parent; + } + return submod; +} + +static ModuleDescPtr +NewModuleDesc(const char *name) +{ + ModuleDescPtr mdp = calloc(1, sizeof(ModuleDesc)); + + if (mdp) + mdp->name = xstrdup(name); + + return mdp; +} + +ModuleDescPtr +DuplicateModule(ModuleDescPtr mod, ModuleDescPtr parent) +{ + ModuleDescPtr ret; + int errmaj, errmin; + + if (!mod) + return NULL; + + ret = NewModuleDesc(mod->name); + if (ret == NULL) + return NULL; + + if (!(ret->handle = LoaderOpen(mod->path, &errmaj, &errmin))) { + free(ret); + return NULL; + } + + ret->SetupProc = mod->SetupProc; + ret->TearDownProc = mod->TearDownProc; + ret->TearDownData = NULL; + ret->child = DuplicateModule(mod->child, ret); + ret->sib = DuplicateModule(mod->sib, parent); + ret->parent = parent; + ret->VersionInfo = mod->VersionInfo; + ret->path = strdup(mod->path); + + return ret; +} + +static const char *compiled_in_modules[] = { + "ddc", + "i2c", + "ramdac", + NULL +}; + +static ModuleDescPtr +doLoadModule(const char *module, const char *path, const char **subdirlist, + const char **patternlist, pointer options, + const XF86ModReqInfo * modreq, + int *errmaj, int *errmin) +{ + XF86ModuleData *initdata = NULL; + char **pathlist = NULL; + char *found = NULL; + char *name = NULL; + char **path_elem = NULL; + char *p = NULL; + ModuleDescPtr ret = NULL; + PatternPtr patterns = NULL; + int noncanonical = 0; + char *m = NULL; + const char **cim; + + xf86MsgVerb(X_INFO, 3, "LoadModule: \"%s\"", module); + + patterns = InitPatterns(patternlist); + name = LoaderGetCanonicalName(module, patterns); + noncanonical = (name && strcmp(module, name) != 0); + if (noncanonical) { + xf86ErrorFVerb(3, " (%s)\n", name); + xf86MsgVerb(X_WARNING, 1, + "LoadModule: given non-canonical module name \"%s\"\n", + module); + m = name; + } else { + xf86ErrorFVerb(3, "\n"); + m = (char *)module; + } + + for (cim = compiled_in_modules; *cim; cim++) + if (!strcmp (m, *cim)) + { + xf86MsgVerb(X_INFO, 3, "Module \"%s\" already built-in\n", m); + ret = (ModuleDescPtr) 1; + goto LoadModule_exit; + } + + if (!name) { + if (errmaj) + *errmaj = LDR_BADUSAGE; + if (errmin) + *errmin = 0; + goto LoadModule_fail; + } + ret = NewModuleDesc(name); + if (!ret) { + if (errmaj) + *errmaj = LDR_NOMEM; + if (errmin) + *errmin = 0; + goto LoadModule_fail; + } + + pathlist = InitPathList(path); + if (!pathlist) { + /* This could be a malloc failure too */ + if (errmaj) + *errmaj = LDR_BADUSAGE; + if (errmin) + *errmin = 1; + goto LoadModule_fail; + } + + /* + * if the module name is not a full pathname, we need to + * check the elements in the path + */ + if (PathIsAbsolute(module)) + found = xstrdup(module); + path_elem = pathlist; + while (!found && *path_elem != NULL) { + found = FindModule(m, *path_elem, subdirlist, patterns); + path_elem++; + /* + * When the module name isn't the canonical name, search for the + * former if no match was found for the latter. + */ + if (!*path_elem && m == name) { + path_elem = pathlist; + m = (char *)module; + } + } + + /* + * did we find the module? + */ + if (!found) { + xf86Msg(X_WARNING, "Warning, couldn't open module %s\n", module); + if (errmaj) + *errmaj = LDR_NOENT; + if (errmin) + *errmin = 0; + goto LoadModule_fail; + } + 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, '.'); + if (p) + *p = '\0'; + + /* + * now check if the special data object <modulename>ModuleData is + * present. + */ + if (asprintf(&p, "%sModuleData", name) == -1) { + p = NULL; + if (errmaj) + *errmaj = LDR_NOMEM; + if (errmin) + *errmin = 0; + goto LoadModule_fail; + } + initdata = LoaderSymbol(p); + if (initdata) { + ModuleSetupProc setup; + ModuleTearDownProc teardown; + XF86ModuleVersionInfo *vers; + + vers = initdata->vers; + setup = initdata->setup; + teardown = initdata->teardown; + + 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) + ret->TearDownProc = teardown; + ret->VersionInfo = vers; + } else { + /* No initdata is OK for external modules */ + if (options == EXTERN_MODULE) + goto LoadModule_exit; + + /* no initdata, fail the load */ + xf86Msg(X_ERROR, "LoadModule: Module %s does not have a %s " + "data object.\n", module, p); + if (errmaj) + *errmaj = LDR_INVALID; + if (errmin) + *errmin = 0; + goto LoadModule_fail; + } + if (ret->SetupProc) { + ret->TearDownData = ret->SetupProc(ret, options, errmaj, errmin); + if (!ret->TearDownData) { + goto LoadModule_fail; + } + } else if (options) { + xf86Msg(X_WARNING, "Module Options present, but no SetupProc " + "available for %s\n", module); + } + goto LoadModule_exit; + + LoadModule_fail: + UnloadModule(ret); + ret = NULL; + + LoadModule_exit: + FreePathList(pathlist); + FreePatterns(patterns); + free(found); + free(name); + free(p); + + return ret; +} + +/* + * LoadModule: load a module + * + * module The module name. Normally this is not a filename but the + * module's "canonical name. A full pathname is, however, + * also accepted. + * path A comma separated list of module directories. + * subdirlist A NULL terminated list of subdirectories to search. When + * NULL, the default "stdSubdirs" list is used. The default + * list is also substituted for entries with value DEFAULT_LIST. + * patternlist A NULL terminated list of regular expressions used to find + * module filenames. Each regex should contain exactly one + * subexpression that corresponds to the canonical module name. + * When NULL, the default "stdPatterns" list is used. The + * default list is also substituted for entries with value + * DEFAULT_LIST. + * options A NULL terminated list of Options that are passed to the + * module's SetupProc function. + * modreq An optional XF86ModReqInfo* containing + * version/ABI/vendor-ABI requirements to check for when + * loading the module. The following fields of the + * XF86ModReqInfo struct are checked: + * majorversion - must match the module's majorversion exactly + * minorversion - the module's minorversion must be >= this + * patchlevel - the module's minorversion.patchlevel must be + * >= this. Patchlevel is ignored when + * minorversion is not set. + * abiclass - (string) must match the module's abiclass + * abiversion - must be consistent with the module's + * abiversion (major equal, minor no older) + * moduleclass - string must match the module's moduleclass + * string + * "don't care" values are ~0 for numbers, and NULL for strings + * errmaj Major error return. + * errmin Minor error return. + * + */ +ModuleDescPtr +LoadModule(const char *module, const char *path, const char **subdirlist, + const char **patternlist, pointer options, + const XF86ModReqInfo * modreq, int *errmaj, int *errmin) +{ + return doLoadModule(module, path, subdirlist, patternlist, options, + modreq, errmaj, errmin); +} + +void +UnloadModule(pointer mod) +{ + UnloadModuleOrDriver((ModuleDescPtr)mod); +} + +static void +UnloadModuleOrDriver(ModuleDescPtr mod) +{ + if (mod == (ModuleDescPtr) 1) + return; + + if (mod == NULL || mod->name == NULL) + return; + + xf86MsgVerb(X_INFO, 3, "UnloadModule: \"%s\"\n", mod->name); + + if ((mod->TearDownProc) && (mod->TearDownData)) + mod->TearDownProc(mod->TearDownData); + 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); +} + +void +UnloadSubModule(pointer _mod) +{ + ModuleDescPtr mod = (ModuleDescPtr)_mod; + + if (mod == NULL || mod->name == NULL) + return; + + xf86MsgVerb(X_INFO, 3, "UnloadSubModule: \"%s\"\n", mod->name); + + if ((mod->TearDownProc) && (mod->TearDownData)) + mod->TearDownProc(mod->TearDownData); + LoaderUnload(mod->name, mod->handle); + + RemoveChild(mod); + + if (mod->child) + UnloadModuleOrDriver(mod->child); + + free(mod->path); + free(mod->name); + free(mod); +} + +static void +RemoveChild(ModuleDescPtr child) +{ + ModuleDescPtr mdp; + ModuleDescPtr prevsib; + ModuleDescPtr parent; + + if (!child->parent) + return; + + parent = child->parent; + if (parent->child == child) { + parent->child = child->sib; + return; + } + + prevsib = parent->child; + mdp = prevsib->sib; + while (mdp && mdp != child) { + prevsib = mdp; + mdp = mdp->sib; + } + if (mdp == child) + prevsib->sib = child->sib; + return; +} + +void +LoaderErrorMsg(const char *name, const char *modname, int errmaj, int errmin) +{ + const char *msg; + MessageType type = X_ERROR; + + switch (errmaj) { + case LDR_NOERROR: + msg = "no error"; + break; + case LDR_NOMEM: + msg = "out of memory"; + break; + case LDR_NOENT: + msg = "module does not exist"; + break; + case LDR_NOSUBENT: + msg = "a required submodule could not be loaded"; + break; + case LDR_NOSPACE: + msg = "too many modules"; + break; + case LDR_NOMODOPEN: + msg = "open failed"; + break; + case LDR_UNKTYPE: + msg = "unknown module type"; + break; + case LDR_NOLOAD: + msg = "loader failed"; + break; + case LDR_ONCEONLY: + msg = "already loaded"; + type = X_INFO; + break; + case LDR_NOPORTOPEN: + msg = "port open failed"; + break; + case LDR_NOHARDWARE: + msg = "no hardware found"; + break; + case LDR_MISMATCH: + msg = "module requirement mismatch"; + break; + case LDR_BADUSAGE: + msg = "invalid argument(s) to LoadModule()"; + break; + case LDR_INVALID: + msg = "invalid module"; + break; + case LDR_BADOS: + msg = "module doesn't support this OS"; + break; + case LDR_MODSPECIFIC: + msg = "module-specific error"; + break; + default: + msg = "unknown error"; + } + if (name) + xf86Msg(type, "%s: Failed to load module \"%s\" (%s, %d)\n", + name, modname, msg, errmin); + else + xf86Msg(type, "Failed to load module \"%s\" (%s, %d)\n", + modname, msg, errmin); +} + +/* Given a module path or file name, return the module's canonical name */ +static char * +LoaderGetCanonicalName(const char *modname, PatternPtr patterns) +{ + char *str; + const char *s; + int len; + PatternPtr p; + regmatch_t match[2]; + + /* Strip off any leading path */ + s = strrchr(modname, '/'); + if (s == NULL) + s = modname; + else + s++; + + /* Find the first regex that is matched */ + for (p = patterns; p->pattern; p++) + if (regexec(&p->rex, s, 2, match, 0) == 0 && match[1].rm_so != -1) { + len = match[1].rm_eo - match[1].rm_so; + str = malloc(len + 1); + if (!str) + return NULL; + strncpy(str, s + match[1].rm_so, len); + str[len] = '\0'; + return str; + } + + /* If there is no match, return the whole name minus the leading path */ + return strdup(s); +} + +/* + * Return the module version information. + */ +unsigned long +LoaderGetModuleVersion(ModuleDescPtr mod) +{ + if (!mod || mod == (ModuleDescPtr) 1 || !mod->VersionInfo) + return 0; + + return MODULE_VERSION_NUMERIC(mod->VersionInfo->majorversion, + mod->VersionInfo->minorversion, + mod->VersionInfo->patchlevel); +} diff --git a/hw/xfree86/loader/os.c b/hw/xfree86/loader/os.c new file mode 100644 index 0000000..6b5ac7e --- /dev/null +++ b/hw/xfree86/loader/os.c @@ -0,0 +1,72 @@ +/* + * Copyright (c) 1999-2002 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 + +#include "loaderProcs.h" + +/* + * OSNAME is a standard form of the OS name that may be used by the + * loader and by OS-specific modules. OSNAME here is different from what's in + * dix-config.h + */ + +#undef OSNAME +#if defined(__linux__) +#define OSNAME "linux" +#elif defined(__FreeBSD__) +#define OSNAME "freebsd" +#elif defined(__DragonFly__) +#define OSNAME "dragonfly" +#elif defined(__NetBSD__) +#define OSNAME "netbsd" +#elif defined(__OpenBSD__) +#define OSNAME "openbsd" +#elif defined(__GNU__) +#define OSNAME "hurd" +#elif defined(SVR4) && defined(sun) +#define OSNAME "solaris" +#elif defined(SVR5) +#define OSNAME "svr5" +#elif defined(SVR4) +#define OSNAME "svr4" +#else +#define OSNAME "unknown" +#endif + +/* Return the OS name, and run-time OS version */ + +void +LoaderGetOS(const char **name, int *major, int *minor, int *teeny) +{ + if (name) + *name = OSNAME; + + /* reporting runtime versions isn't supported yet */ +} diff --git a/hw/xfree86/loader/sdksyms.sh b/hw/xfree86/loader/sdksyms.sh new file mode 100755 index 0000000..f60b8ed --- /dev/null +++ b/hw/xfree86/loader/sdksyms.sh @@ -0,0 +1,424 @@ +#!/bin/sh + +cat > sdksyms.c << EOF +/* This file is automatically generated by sdksyms.sh. */ +#pragma GCC diagnostic ignored "-Wdeprecated-declarations" + +#ifdef HAVE_XORG_CONFIG_H +#include <xorg-config.h> +#endif + + +/* These must be included first */ +#include "misc.h" +#include "miscstruct.h" + + +/* render/Makefile.am */ +#include "picture.h" +#include "mipict.h" +#include "glyphstr.h" +#include "picturestr.h" + + +/* fb/Makefile.am -- module */ +/* +#include "fb.h" +#include "fbrop.h" +#include "fboverlay.h" +#include "wfbrename.h" +#include "fbpict.h" + */ + + +/* miext/shadow/Makefile.am -- module */ +/* +#include "shadow.h" + */ + + +/* miext/damage/Makefile.am */ +#include "damage.h" +#include "damagestr.h" + +/* miext/sync/Makefile.am */ +#include "misync.h" +#include "misyncstr.h" + +/* Xext/Makefile.am -- half is module, half is builtin */ +/* +#include "xvdix.h" +#include "xvmcext.h" + */ +#include "geext.h" +#include "geint.h" +#include "shmint.h" +#include "syncsdk.h" +#if XINERAMA +# include "panoramiXsrv.h" +# include "panoramiX.h" +#endif + + +/* hw/xfree86/int10/Makefile.am -- module */ +/* +#include "xf86int10.h" + */ + + +/* hw/xfree86/i2c/Makefile.am -- "mostly" modules */ +#include "xf86i2c.h" +/* +#include "bt829.h" +#include "fi1236.h" +#include "msp3430.h" +#include "tda8425.h" +#include "tda9850.h" +#include "tda9885.h" +#include "uda1380.h" +#include "i2c_def.h" + */ + + +/* hw/xfree86/modes/Makefile.am */ +#include "xf86Crtc.h" +#include "xf86Modes.h" +#include "xf86RandR12.h" +/* #include "xf86Rename.h" */ + + +/* hw/xfree86/ddc/Makefile.am */ +#include "edid.h" +#include "xf86DDC.h" + + +/* hw/xfree86/dri2/Makefile.am -- module */ +/* +#if DRI2 +# include "dri2.h" +#endif + */ + + +/* hw/xfree86/vgahw/Makefile.am -- module */ +/* +#include "vgaHW.h" + */ + + +/* hw/xfree86/fbdevhw/Makefile.am -- module */ +/* +#include "fbdevhw.h" + */ + + +/* hw/xfree86/common/Makefile.am */ +#include "compiler.h" +#include "fourcc.h" +#include "xf86.h" +#include "xf86Module.h" +#include "xf86Opt.h" +#include "xf86PciInfo.h" +#include "xf86Priv.h" +#include "xf86Privstr.h" +#include "xf86cmap.h" +#include "xf86fbman.h" +#include "xf86str.h" +#include "xf86Xinput.h" +#include "xf86VGAarbiter.h" +#include "xisb.h" +#if XV +# include "xf86xv.h" +# include "xf86xvmc.h" +# include "xf86xvpriv.h" +#endif +/* XF86VidMode code is in libextmod module */ +/* +#if XF86VIDMODE +# include "vidmodeproc.h" +#endif + */ +#include "xorgVersion.h" +#if defined(__sparc__) || defined(__sparc) +# include "xf86sbusBus.h" +#endif + + +/* hw/xfree86/ramdac/Makefile.am */ +#include "BT.h" +#include "IBM.h" +#include "TI.h" +#include "xf86Cursor.h" +#include "xf86RamDac.h" + + +/* hw/xfree86/shadowfb/Makefile.am -- module */ +/* +#include "shadowfb.h" + */ + + +/* hw/xfree86/os-support/solaris/Makefile.am */ +#if defined(sun386) +# include "agpgart.h" +#endif + + +/* hw/xfree86/os-support/Makefile.am */ +#include "xf86_OSproc.h" +#include "xf86_OSlib.h" + + +/* hw/xfree86/os-support/bus/Makefile.am */ +#include "xf86Pci.h" +#if defined(__sparc__) || defined(__sparc) +# include "xf86Sbus.h" +#endif + + +/* hw/xfree86/xaa/Makefile.am -- module */ +/* +#include "xaa.h" +#include "xaalocal.h" +#include "xaarop.h" + */ + + +/* hw/xfree86/dixmods/extmod/Makefile.am -- module */ +/* +#include "dgaproc.h" + */ + + +/* hw/xfree86/parser/Makefile.am */ +#include "xf86Parser.h" +#include "xf86Optrec.h" + + +/* hw/xfree86/vbe/Makefile.am -- module */ +/* +#include "vbe.h" +#include "vbeModes.h" + */ + + +/* hw/xfree86/dri/Makefile.am -- module */ +/* +#if XF86DRI +# include "dri.h" +# include "sarea.h" +# include "dristruct.h" +#endif + */ + + +/* mi/Makefile.am */ +#include "micmap.h" +#include "miline.h" +#include "mipointer.h" +#include "mi.h" +#include "mibstore.h" +#include "migc.h" +#include "mipointrst.h" +#include "mizerarc.h" +#include "micoord.h" +#include "mifillarc.h" +#include "mispans.h" +#include "miwideline.h" +#include "mistruct.h" +#include "mifpoly.h" +#include "mioverlay.h" + + +/* randr/Makefile.am */ +#include "randrstr.h" +#include "rrtransform.h" + + +/* dbe/Makefile.am -- module */ +/* +#include "dbestruct.h" + */ + + +/* exa/Makefile.am -- module */ +/* +#include "exa.h" + */ + + +/* xfixes/Makefile.am */ +#include "xfixes.h" + + +/* include/Makefile.am */ +#include "XIstubs.h" +#include "Xprintf.h" +#include "closestr.h" +#include "closure.h" +#include "colormap.h" +#include "colormapst.h" +#include "hotplug.h" +#include "cursor.h" +#include "cursorstr.h" +#include "dix.h" +#include "dixaccess.h" +#include "dixevents.h" +#include "dixfont.h" +#include "dixfontstr.h" +#include "dixgrabs.h" +#include "dixstruct.h" +#include "exevents.h" +#include "extension.h" +#include "extinit.h" +#include "extnsionst.h" +#include "gc.h" +#include "gcstruct.h" +#include "globals.h" +#include "input.h" +#include "inputstr.h" +/* already included */ +/* +#include "misc.h" +#include "miscstruct.h" + */ +#include "opaque.h" +#include "os.h" +#include "pixmap.h" +#include "pixmapstr.h" +#include "privates.h" +#include "property.h" +#include "propertyst.h" +#include "ptrveloc.h" +#include "region.h" +#include "regionstr.h" +#include "registry.h" +#include "resource.h" +#include "rgb.h" +#include "screenint.h" +#include "scrnintstr.h" +#include "selection.h" +#include "servermd.h" +#include "site.h" +#include "swaprep.h" +#include "swapreq.h" +#include "validate.h" +#include "window.h" +#include "windowstr.h" +#include "xace.h" +#include "xkbfile.h" +#include "xkbsrv.h" +#include "xkbstr.h" +#include "xkbrules.h" +#include "xserver-properties.h" + +EOF + +topdir=$1 +shift +LC_ALL=C +export LC_ALL +${CPP:-cpp} "$@" -DXorgLoader sdksyms.c | ${AWK:-awk} -v topdir=$topdir ' +BEGIN { + sdk = 0; + print("/*"); + print(" * These symbols are referenced to ensure they"); + print(" * will be available in the X Server binary."); + print(" */"); + printf("/* topdir=%s */\n", topdir); + print("_X_HIDDEN void *xorg_symbols[] = {"); + + printf("sdksyms.c:") > "sdksyms.dep"; +} +/^# [0-9]+ "/ { + # Process text after a include in a relative path or when the + # processed file has a basename matching $top_srcdir. + # Note that indexing starts at 1; 0 means no match, and there + # is a starting ". + sdk = $3 !~ /^"\// || index($3, topdir) == 2; + + if (sdk && $3 ~ /\.h"$/) { + # remove quotes + gsub(/"/, "", $3); + line = $2; + header = $3; + if (! headers[$3]) { + printf(" \\\n %s", $3) >> "sdksyms.dep"; + headers[$3] = 1; + } + } + next; +} + +/^extern[ ]/ { + if (sdk) { + n = 3; + + # skip attribute, if any + while ($n ~ /^(__attribute__|__global)/ || + # skip modifiers, if any + $n ~ /^\*?(unsigned|const|volatile|struct)$/ || + # skip pointer + $n ~ /^[a-zA-Z0-9_]*\*$/) + n++; + + # type specifier may not be set, as in + # extern _X_EXPORT unsigned name(...) + if ($n !~ /[^a-zA-Z0-9_]/) + n++; + + # go back if we are at the parameter list already + if ($n ~ /^[(]([^*].*)?$/) + n--; + + # match + # extern _X_EXPORT type (* name[])(...) + if ($n ~ /^[^a-zA-Z0-9_]+$/) + n++; + + # match + # extern _X_EXPORT const name *const ... + if ($n ~ /^([^a-zA-Z0-9_]+)?const$/) + n++; + + # actual name may be in the next line, as in + # extern _X_EXPORT type + # possibly ending with a * + # name(...) + if ($n == "" || $n ~ /^\*+$/) { + getline; + n = 1; + } + + # dont modify $0 or $n + symbol = $n; + + # remove starting non word chars + sub(/^[^a-zA-Z0-9_]+/, "",symbol); + + # remove from first non word to end of line + sub(/[^a-zA-Z0-9_].*/, "", symbol); + + #print; + printf(" (void *) &%-50s /* %s:%s */\n", symbol ",", header, line); + } +} + +{ + line++; +} + +END { + print("};"); + + print("") >> "sdksyms.dep"; +}' > _sdksyms.c + +STATUS=$? + +cat _sdksyms.c >> sdksyms.c +rm _sdksyms.c + +[ $? != 0 ] && exit $? + +exit $STATUS |