diff options
-rw-r--r-- | backends/plugins/ps2/ps2-provider.cpp | 83 | ||||
-rw-r--r-- | backends/plugins/ps2/ps2-provider.h | 18 |
2 files changed, 101 insertions, 0 deletions
diff --git a/backends/plugins/ps2/ps2-provider.cpp b/backends/plugins/ps2/ps2-provider.cpp new file mode 100644 index 0000000000..bba282557d --- /dev/null +++ b/backends/plugins/ps2/ps2-provider.cpp @@ -0,0 +1,83 @@ +#if defined(DYNAMIC_MODULES) && defined(__PS2__) + +#include "backends/plugins/ps2/ps2-provider.h" +#include "backends/plugins/dynamic-plugin.h" +#include "common/fs.h" + +#include "backends/platform/ps2/ps2loader.h" + + +class PS2Plugin : public DynamicPlugin { +protected: + void *_dlHandle; + Common::String _filename; + + virtual VoidFunc findSymbol(const char *symbol) { + void *func = dlsym(_dlHandle, symbol); + if (!func) + warning("Failed loading symbol '%s' from plugin '%s' (%s)", symbol, _filename.c_str(), dlerror()); + + // FIXME HACK: This is a HACK to circumvent a clash between the ISO C++ + // standard and POSIX: ISO C++ disallows casting between function pointers + // and data pointers, but dlsym always returns a void pointer. For details, + // see e.g. <http://www.trilithium.com/johan/2004/12/problem-with-dlsym/>. + assert(sizeof(VoidFunc) == sizeof(func)); + VoidFunc tmp; + memcpy(&tmp, &func, sizeof(VoidFunc)); + return tmp; + } + +public: + PS2Plugin(const Common::String &filename) + : _dlHandle(0), _filename(filename) {} + + ~PS2Plugin() { + if (_dlHandle) unloadPlugin(); + } + + bool loadPlugin() { + assert(!_dlHandle); + _dlHandle = dlopen(_filename.c_str(), RTLD_LAZY); + + if (!_dlHandle) { + warning("Failed loading plugin '%s' (%s)", _filename.c_str(), dlerror()); + return false; + } + + bool ret = DynamicPlugin::loadPlugin(); + + if (ret) + dlforgetsyms(_dlHandle); + + return ret; + } + + void unloadPlugin() { + DynamicPlugin::unloadPlugin(); + if (_dlHandle) { + if (dlclose(_dlHandle) != 0) + warning("Failed unloading plugin '%s' (%s)", _filename.c_str(), dlerror()); + _dlHandle = 0; + } + } +}; + + +Plugin* PS2PluginProvider::createPlugin(const Common::FSNode &node) const { + return new PS2Plugin(node.getPath()); +} + +bool PS2PluginProvider::isPluginFilename(const Common::FSNode &node) const { + // Check the plugin suffix + Common::String filename = node.getName(); + fprintf(stderr, "Testing name %s", filename.c_str()); + if (!filename.hasSuffix(".PLG") && !filename.hasSuffix(".plg")) { + fprintf(stderr," fail.\n"); + return false; + } + + fprintf(stderr," success!\n"); + return true; +} + +#endif // defined(DYNAMIC_MODULES) && defined(__PS2__) diff --git a/backends/plugins/ps2/ps2-provider.h b/backends/plugins/ps2/ps2-provider.h new file mode 100644 index 0000000000..bb78bf74b0 --- /dev/null +++ b/backends/plugins/ps2/ps2-provider.h @@ -0,0 +1,18 @@ +#ifndef BACKENDS_PLUGINS_PS2_PS2_PROVIDER_H +#define BACKENDS_PLUGINS_PS2_PS2_PROVIDER_H + +#include "base/plugins.h" + +#if defined(DYNAMIC_MODULES) && defined(__PS2__) + +class PS2PluginProvider : public FilePluginProvider { +protected: + Plugin* createPlugin(const Common::FSNode &node) const; + + bool isPluginFilename(const Common::FSNode &node) const; + +}; + +#endif // defined(DYNAMIC_MODULES) && defined(__PS2__) + +#endif /* BACKENDS_PLUGINS_PS2_PS2_PROVIDER_H */ |