diff options
Diffstat (limited to 'base/plugins.h')
| -rw-r--r-- | base/plugins.h | 44 |
1 files changed, 40 insertions, 4 deletions
diff --git a/base/plugins.h b/base/plugins.h index a4c7f114f9..fc8adbf0d4 100644 --- a/base/plugins.h +++ b/base/plugins.h @@ -30,6 +30,7 @@ #include "common/error.h" #include "common/singleton.h" #include "common/util.h" +#include "backends/plugins/elf/version.h" namespace Common { class FSList; @@ -90,6 +91,21 @@ extern int pluginTypeVersions[PLUGIN_TYPE_MAX]; #define PLUGIN_ENABLED_DYNAMIC(ID) \ (ENABLE_##ID && (ENABLE_##ID == DYNAMIC_PLUGIN) && DYNAMIC_MODULES) +// see comments in backends/plugins/elf/elf-provider.cpp +#if defined(USE_ELF_LOADER) && defined(ELF_LOADER_CXA_ATEXIT) +#define PLUGIN_DYNAMIC_DSO_HANDLE \ + uint32 __dso_handle __attribute__((visibility("hidden"))) = 0; +#else +#define PLUGIN_DYNAMIC_DSO_HANDLE +#endif + +#ifdef USE_ELF_LOADER +#define PLUGIN_DYNAMIC_BUILD_DATE \ + PLUGIN_EXPORT const char *PLUGIN_getBuildDate() { return gScummVMPluginBuildDate; } +#else +#define PLUGIN_DYNAMIC_BUILD_DATE +#endif + /** * REGISTER_PLUGIN_STATIC is a convenience macro which is used to declare * the plugin interface for static plugins. Code (such as game engines) @@ -119,6 +135,8 @@ extern int pluginTypeVersions[PLUGIN_TYPE_MAX]; */ #define REGISTER_PLUGIN_DYNAMIC(ID,TYPE,PLUGINCLASS) \ extern "C" { \ + PLUGIN_DYNAMIC_DSO_HANDLE \ + PLUGIN_DYNAMIC_BUILD_DATE \ PLUGIN_EXPORT int32 PLUGIN_getVersion() { return PLUGIN_VERSION; } \ PLUGIN_EXPORT int32 PLUGIN_getType() { return TYPE; } \ PLUGIN_EXPORT int32 PLUGIN_getTypeVersion() { return TYPE##_VERSION; } \ @@ -212,6 +230,11 @@ public: * @return a list of Plugin instances */ virtual PluginList getPlugins() = 0; + + /** + * @return whether or not object is a FilePluginProvider. + */ + virtual bool isFilePluginProvider() { return false; } }; #ifdef DYNAMIC_MODULES @@ -234,6 +257,11 @@ public: */ virtual PluginList getPlugins(); + /** + * @return whether or not object is a FilePluginProvider. + */ + bool isFilePluginProvider() { return true; } + protected: /** * Create a Plugin instance from a loadable code module with the specified name. @@ -273,11 +301,15 @@ protected: class PluginManager : public Common::Singleton<PluginManager> { typedef Common::Array<PluginProvider *> ProviderList; private: - PluginList _plugins[PLUGIN_TYPE_MAX]; + PluginList _pluginsInMem[PLUGIN_TYPE_MAX]; ProviderList _providers; - bool tryLoadPlugin(Plugin *plugin); + PluginList _allEnginePlugins; + PluginList::iterator _currentPlugin; + bool tryLoadPlugin(Plugin *plugin); + void addToPluginsInMemList(Plugin *plugin); + friend class Common::Singleton<SingletonBaseType>; PluginManager(); @@ -286,11 +318,15 @@ public: void addPluginProvider(PluginProvider *pp); + void loadNonEnginePluginsAndEnumerate(); + void loadFirstPlugin(); + bool loadNextPlugin(); + void loadPlugins(); void unloadPlugins(); - void unloadPluginsExcept(PluginType type, const Plugin *plugin); + void unloadPluginsExcept(PluginType type, const Plugin *plugin, bool deletePlugin = true); - const PluginList &getPlugins(PluginType t) { return _plugins[t]; } + const PluginList &getPlugins(PluginType t) { return _pluginsInMem[t]; } }; #endif |