diff options
Diffstat (limited to 'backends')
-rw-r--r-- | backends/module.mk | 1 | ||||
-rw-r--r-- | backends/plugins/elf/elf-provider.cpp | 13 | ||||
-rw-r--r-- | backends/plugins/elf/elf-provider.h | 2 | ||||
-rw-r--r-- | backends/plugins/elf/plugin.syms | 1 | ||||
-rw-r--r-- | backends/plugins/elf/version.cpp | 32 | ||||
-rw-r--r-- | backends/plugins/elf/version.h | 35 |
6 files changed, 84 insertions, 0 deletions
diff --git a/backends/module.mk b/backends/module.mk index e0bdd26cf7..b3a23f10e7 100644 --- a/backends/module.mk +++ b/backends/module.mk @@ -28,6 +28,7 @@ MODULE_OBJS := \ plugins/elf/ppc-loader.o \ plugins/elf/arm-loader.o \ plugins/elf/elf-provider.o \ + plugins/elf/version.o \ plugins/dc/dc-provider.o \ plugins/posix/posix-provider.o \ plugins/sdl/sdl-provider.o \ diff --git a/backends/plugins/elf/elf-provider.cpp b/backends/plugins/elf/elf-provider.cpp index 8629de6c45..d1c8f6aa05 100644 --- a/backends/plugins/elf/elf-provider.cpp +++ b/backends/plugins/elf/elf-provider.cpp @@ -112,6 +112,19 @@ bool ELFPlugin::loadPlugin() { return false; } + CharFunc buildDateFunc = (CharFunc)findSymbol("PLUGIN_getBuildDate"); + if (!buildDateFunc) { + unloadPlugin(); + warning("elfloader: plugin '%s' is missing symbols", _filename.c_str()); + return false; + } + + if (strncmp(gScummVMPluginBuildDate, buildDateFunc(), strlen(gScummVMPluginBuildDate))) { + unloadPlugin(); + warning("elfloader: plugin '%s' has a different build date", _filename.c_str()); + return false; + } + bool ret = DynamicPlugin::loadPlugin(); #ifdef ELF_LOADER_CXA_ATEXIT diff --git a/backends/plugins/elf/elf-provider.h b/backends/plugins/elf/elf-provider.h index 92fe5d63d1..0309ffcece 100644 --- a/backends/plugins/elf/elf-provider.h +++ b/backends/plugins/elf/elf-provider.h @@ -45,6 +45,8 @@ */ class ELFPlugin : public DynamicPlugin { protected: + typedef const char *(*CharFunc)(); + DLObject *_dlHandle; Common::String _filename; void *_dso_handle; diff --git a/backends/plugins/elf/plugin.syms b/backends/plugins/elf/plugin.syms index 24ee1a19dc..70465ae976 100644 --- a/backends/plugins/elf/plugin.syms +++ b/backends/plugins/elf/plugin.syms @@ -1,3 +1,4 @@ +PLUGIN_getBuildDate PLUGIN_getVersion PLUGIN_getType PLUGIN_getTypeVersion diff --git a/backends/plugins/elf/version.cpp b/backends/plugins/elf/version.cpp new file mode 100644 index 0000000000..0277c6ae1c --- /dev/null +++ b/backends/plugins/elf/version.cpp @@ -0,0 +1,32 @@ +/* ScummVM - Graphic Adventure Engine + * + * ScummVM is the legal property of its developers, whose names + * are too numerous to list here. Please refer to the COPYRIGHT + * file distributed with this source distribution. + * + * This program is free software; you can redistribute it and/or + * modify it under the terms of the GNU General Public License + * as published by the Free Software Foundation; either version 2 + * of the License, or (at your option) any later version. + + * This program is distributed in the hope that it will be useful, + * but WITHOUT ANY WARRANTY; without even the implied warranty of + * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the + * GNU General Public License for more details. + + * You should have received a copy of the GNU General Public License + * along with this program; if not, write to the Free Software + * Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301, USA. + * + * $URL$ + * $Id$ + * + */ + +#include "backends/plugins/elf/version.h" + +#ifdef USE_ELF_LOADER +const char *gScummVMPluginBuildDate __attribute__((visibility("hidden"))) = + __DATE__ " " __TIME__ ; +#endif + diff --git a/backends/plugins/elf/version.h b/backends/plugins/elf/version.h new file mode 100644 index 0000000000..726204aeb7 --- /dev/null +++ b/backends/plugins/elf/version.h @@ -0,0 +1,35 @@ +/* ScummVM - Graphic Adventure Engine + * + * ScummVM is the legal property of its developers, whose names + * are too numerous to list here. Please refer to the COPYRIGHT + * file distributed with this source distribution. + * + * This program is free software; you can redistribute it and/or + * modify it under the terms of the GNU General Public License + * as published by the Free Software Foundation; either version 2 + * of the License, or (at your option) any later version. + * + * This program is distributed in the hope that it will be useful, + * but WITHOUT ANY WARRANTY; without even the implied warranty of + * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the + * GNU General Public License for more details. + * + * You should have received a copy of the GNU General Public License + * along with this program; if not, write to the Free Software + * Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301, USA. + * + * $URL$ + * $Id$ + */ + +#ifndef BACKENDS_PLUGINS_ELF_VERSION_H +#define BACKENDS_PLUGINS_ELF_VERSION_H + +#include "common/scummsys.h" + +#ifdef USE_ELF_LOADER +extern const char *gScummVMPluginBuildDate; +#endif + +#endif + |