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pcsx2
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plugins: add a dynamic/static loader

This commit is contained in:
Gregory Hainaut 2016-03-30 09:28:44 +02:00
parent de24ce0a8f
commit 3a8164ac4e
2 changed files with 176 additions and 46 deletions
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109
pcsx2/PluginManager.cpp
View File

@ -829,6 +829,87 @@ static void PS2E_CALLBACK pcsx2_OSD_WriteLn( int icon, const char* msg )
return; // not implemented...
}
// ---------------------------------------------------------------------------------
// DynamicStaticLibrary
// ---------------------------------------------------------------------------------
StaticLibrary::StaticLibrary(PluginsEnum_t _pid) : pid(_pid)
{
}
bool StaticLibrary::Load(const wxString& name)
{
return true;
}
void* StaticLibrary::GetSymbol(const wxString &name)
{
#define RETURN_SYMBOL(s) if (name == #s) return (void*)&s;
#define RETURN_COMMON_SYMBOL(p) \
RETURN_SYMBOL(p##init) \
RETURN_SYMBOL(p##close) \
RETURN_SYMBOL(p##shutdown) \
RETURN_SYMBOL(p##keyEvent) \
RETURN_SYMBOL(p##setSettingsDir) \
RETURN_SYMBOL(p##setLogDir) \
RETURN_SYMBOL(p##freeze) \
RETURN_SYMBOL(p##test) \
RETURN_SYMBOL(p##configure) \
RETURN_SYMBOL(p##about)
#ifdef BUILTIN_GS_PLUGIN
RETURN_COMMON_SYMBOL(GS);
#endif
#ifdef BUILTIN_PAD_PLUGIN
RETURN_COMMON_SYMBOL(PAD);
#endif
#ifdef BUILTIN_SPU2_PLUGIN
RETURN_COMMON_SYMBOL(SPU2);
#endif
#ifdef BUILTIN_CDVD_PLUGIN
RETURN_COMMON_SYMBOL(CDVD);
#endif
#ifdef BUILTIN_DEV9_PLUGIN
RETURN_COMMON_SYMBOL(DEV9);
#endif
#ifdef BUILTIN_USB_PLUGIN
RETURN_COMMON_SYMBOL(USB);
#endif
#ifdef BUILTIN_FW_PLUGIN
RETURN_COMMON_SYMBOL(FW);
#endif
#undef RETURN_COMMON_SYMBOL
#undef RETURN_SYMBOL
return NULL;
}
bool StaticLibrary::HasSymbol(const wxString &name)
{
return false;
}
DynamicLibrary::DynamicLibrary() : Lib()
{
}
bool DynamicLibrary::Load(const wxString& name)
{
return Lib.Load(name);
}
void* DynamicLibrary::GetSymbol(const wxString &name)
{
return Lib.GetSymbol(name);
}
bool DynamicLibrary::HasSymbol(const wxString &name)
{
return Lib.HasSymbol(name);
}
// ---------------------------------------------------------------------------------
// PluginStatus_t Implementations
// ---------------------------------------------------------------------------------
@ -839,7 +920,14 @@ SysCorePlugins::PluginStatus_t::PluginStatus_t( PluginsEnum_t _pid, const wxStri
IsInitialized = false;
IsOpened = false;
IsStatic = false;
Lib = new DynamicLibrary();
if (IsStatic) {
BindCommon( pid );
} else {
if( Filename.IsEmpty() )
throw Exception::PluginInitError( pid ).SetDiagMsg( L"Empty plugin filename" );
@ -847,7 +935,7 @@ SysCorePlugins::PluginStatus_t::PluginStatus_t( PluginsEnum_t _pid, const wxStri
throw Exception::PluginLoadError( pid ).SetStreamName(srcfile)
.SetBothMsgs(pxL("The configured %s plugin file was not found"));
if( !Lib.Load( Filename ) )
if( !Lib->Load( Filename ) )
throw Exception::PluginLoadError( pid ).SetStreamName(Filename)
.SetBothMsgs(pxL("The configured %s plugin file is not a valid dynamic library"));
@ -860,8 +948,8 @@ SysCorePlugins::PluginStatus_t::PluginStatus_t( PluginsEnum_t _pid, const wxStri
// 2.0 API Failed; Enumerate the Old Stuff! -->
_PS2EgetLibName GetLibName = (_PS2EgetLibName) Lib.GetSymbol( L"PS2EgetLibName" );
_PS2EgetLibVersion2 GetLibVersion2 = (_PS2EgetLibVersion2) Lib.GetSymbol( L"PS2EgetLibVersion2" );
_PS2EgetLibName GetLibName = (_PS2EgetLibName) Lib->GetSymbol( L"PS2EgetLibName" );
_PS2EgetLibVersion2 GetLibVersion2 = (_PS2EgetLibVersion2) Lib->GetSymbol( L"PS2EgetLibVersion2" );
if( GetLibName == NULL || GetLibVersion2 == NULL )
throw Exception::PluginLoadError( pid ).SetStreamName(Filename)
@ -872,8 +960,8 @@ SysCorePlugins::PluginStatus_t::PluginStatus_t( PluginsEnum_t _pid, const wxStri
#ifdef _WIN32
// Since only Windows Gsdx has this symbol, that means every other plugin is going to cause error messages to be logged.
// Let's not do that for a hack function.
if (Lib.HasSymbol(L"PS2EsetEmuVersion")) {
_PS2EsetEmuVersion SetEmuVersion = (_PS2EsetEmuVersion)Lib.GetSymbol(L"PS2EsetEmuVersion");
if (Lib->HasSymbol(L"PS2EsetEmuVersion")) {
_PS2EsetEmuVersion SetEmuVersion = (_PS2EsetEmuVersion)Lib->GetSymbol(L"PS2EsetEmuVersion");
if (SetEmuVersion)
SetEmuVersion("PCSX2", (PCSX2_VersionHi << 24) | (PCSX2_VersionMid << 16) | (PCSX2_VersionLo << 8) | 0);
}
@ -883,13 +971,14 @@ SysCorePlugins::PluginStatus_t::PluginStatus_t( PluginsEnum_t _pid, const wxStri
int version = GetLibVersion2( tbl_PluginInfo[pid].typemask );
Version.Printf( L"%d.%d.%d", (version>>8)&0xff, version&0xff, (version>>24)&0xff );
// Bind Required Functions
// (generate critical error if binding fails)
BindCommon( pid );
BindRequired( pid );
BindOptional( pid );
}
// Run Plugin's Functionality Test.
// A lot of plugins don't bother to implement this function and return 0 (success)
@ -911,7 +1000,7 @@ void SysCorePlugins::PluginStatus_t::BindCommon( PluginsEnum_t pid )
while( current->MethodName != NULL )
{
*target = (VoidMethod*)Lib.GetSymbol( current->GetMethodName( pid ) );
*target = (VoidMethod*)Lib->GetSymbol( current->GetMethodName( pid ) );
if( *target == NULL )
*target = current->Fallback;
@ -931,13 +1020,12 @@ void SysCorePlugins::PluginStatus_t::BindCommon( PluginsEnum_t pid )
void SysCorePlugins::PluginStatus_t::BindRequired( PluginsEnum_t pid )
{
const LegacyApi_ReqMethod* current = s_MethMessReq[pid];
const wxDynamicLibrary& lib = Lib;
wxDoNotLogInThisScope please;
while( current->MethodName != NULL )
{
*(current->Dest) = (VoidMethod*)lib.GetSymbol( current->GetMethodName() );
*(current->Dest) = (VoidMethod*)Lib->GetSymbol( current->GetMethodName() );
if( *(current->Dest) == NULL )
*(current->Dest) = current->Fallback;
@ -956,13 +1044,12 @@ void SysCorePlugins::PluginStatus_t::BindRequired( PluginsEnum_t pid )
void SysCorePlugins::PluginStatus_t::BindOptional( PluginsEnum_t pid )
{
const LegacyApi_OptMethod* current = s_MethMessOpt[pid];
const wxDynamicLibrary& lib = Lib;
wxDoNotLogInThisScope please;
while( current->MethodName != NULL )
{
*(current->Dest) = (VoidMethod*)lib.GetSymbol( current->GetMethodName() );
*(current->Dest) = (VoidMethod*)Lib->GetSymbol( current->GetMethodName() );
current++;
}
}

47
pcsx2/Plugins.h
View File

@ -253,6 +253,46 @@ extern SysPluginBindings SysPlugins;
// SysCorePlugins Class
// --------------------------------------------------------------------------------------
//
class DynamicStaticLibrary
{
public:
DynamicStaticLibrary() {};
virtual ~DynamicStaticLibrary() {};
virtual bool Load(const wxString& name) = 0;
virtual void* GetSymbol(const wxString &name) = 0;
virtual bool HasSymbol(const wxString &name) = 0;
};
class StaticLibrary : public DynamicStaticLibrary
{
PluginsEnum_t pid;
public:
StaticLibrary(PluginsEnum_t _pid);
virtual ~StaticLibrary() {};
bool Load(const wxString& name);
void* GetSymbol(const wxString &name);
bool HasSymbol(const wxString &name);
};
class DynamicLibrary : public DynamicStaticLibrary
{
wxDynamicLibrary Lib;
public:
DynamicLibrary();
virtual ~DynamicLibrary() {};
bool Load(const wxString& name);
void* GetSymbol(const wxString &name);
bool HasSymbol(const wxString &name);
};
class SysCorePlugins
{
DeclareNoncopyableObject( SysCorePlugins );
@ -265,23 +305,26 @@ protected:
bool IsInitialized;
bool IsOpened;
bool IsStatic;
wxString Filename;
wxString Name;
wxString Version;
LegacyPluginAPI_Common CommonBindings;
wxDynamicLibrary Lib;
DynamicStaticLibrary* Lib;
public:
PluginStatus_t()
{
IsInitialized = false;
IsOpened = false;
IsStatic = false;
Lib = NULL;
}
PluginStatus_t( PluginsEnum_t _pid, const wxString& srcfile );
virtual ~PluginStatus_t() throw() { }
virtual ~PluginStatus_t() throw() { delete Lib; }
protected:
void BindCommon( PluginsEnum_t pid );