Initial commit

backends/plugins/kolibrios/kolibrios-provider.cpp

@@ -0,0 +1,92 @@
+/* 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 3 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, see <http://www.gnu.org/licenses/>.
+ *
+ */
+
+#define FORBIDDEN_SYMBOL_ALLOW_ALL
+#include "common/scummsys.h"
+
+#if defined(DYNAMIC_MODULES)
+
+#include "backends/platform/sdl/kolibrios/kolibrios.h"
+#include "backends/plugins/kolibrios/kolibrios-provider.h"
+#include "backends/plugins/dynamic-plugin.h"
+
+#include "common/debug.h"
+
+#include <errno.h>
+
+extern "C" {
+void* get_proc_address(void *handle, const char *proc_name);
+void* load_library(const char *name);
+}
+
+class KolibriOSPlugin final : public DynamicPlugin {
+protected:
+	void *_dlHandle;
+
+	VoidFunc findSymbol(const char *symbol) override {
+		void *func = get_proc_address(_dlHandle, symbol);
+		if (!func)
+			debug("Failed loading symbol '%s' from plugin '%s'", symbol, _filename.c_str());
+
+		return (void (*)())func;
+	}
+
+public:
+	KolibriOSPlugin(const Common::Path &filename)
+		: DynamicPlugin(filename), _dlHandle(0) {}
+
+	bool loadPlugin() override {
+		if (_dlHandle)
+			return true;
+		_dlHandle = load_library(_filename.toString(Common::Path::kNativeSeparator).c_str());
+
+		if (!_dlHandle) {
+			debug("Failed loading plugin '%s' (error code %d)", _filename.toString(Common::Path::kNativeSeparator).c_str(), errno);
+			return false;
+		} else {
+			debug(1, "Success loading plugin '%s', handle %p", _filename.toString(Common::Path::kNativeSeparator).c_str(), _dlHandle);
+		}
+
+		return DynamicPlugin::loadPlugin();
+	}
+
+	void unloadPlugin() override {
+		DynamicPlugin::unloadPlugin();
+		/* Not supported */
+	}
+};
+
+
+Plugin* KolibriOSPluginProvider::createPlugin(const Common::FSNode &node) const {
+	return new KolibriOSPlugin(node.getPath());
+}
+
+void KolibriOSPluginProvider::addCustomDirectories(Common::FSList &dirs) const {
+	OSystem_KolibriOS *sys = dynamic_cast<OSystem_KolibriOS *>(g_system);
+	// load_library doesn't handle relative paths correctly so remove all other paths which are relative
+	dirs.clear();
+	if (sys) {
+		debug(1, "Adding path %s", sys->getExePath().join("plugins").toString().c_str());
+		dirs.push_back(Common::FSNode(sys->getExePath().join("plugins")));
+	}
+}
+
+#endif // defined(DYNAMIC_MODULES)

backends/plugins/kolibrios/kolibrios-provider.h

@@ -0,0 +1,37 @@
+/* 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 3 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, see <http://www.gnu.org/licenses/>.
+ *
+ */
+
+#if defined(DYNAMIC_MODULES)
+
+#ifndef BACKENDS_PLUGINS_KOLIBRIOS_PROVIDER_H
+#define BACKENDS_PLUGINS_KOLIBRIOS_PROVIDER_H
+
+#include "base/plugins.h"
+
+class KolibriOSPluginProvider : public FilePluginProvider {
+public:
+	Plugin *createPlugin(const Common::FSNode &node) const override;
+	void addCustomDirectories(Common::FSList &dirs) const override;
+};
+
+#endif // BACKENDS_PLUGINS_KOLIBRIOS_PROVIDER_H
+
+#endif // defined(DYNAMIC_MODULES)