Add WIP tier1 interface changes / tier0.

Not done, but this should fix current MM:S build from tier1 headers not
matching lib on Windows.

public/tier0/platform.h

@@ -701,7 +701,11 @@ typedef unsigned int		uint;
 // Returns true if debugger attached, false otherwise
 //-----------------------------------------------------------------------------
 #if defined( PLATFORM_WINDOWS ) || defined( PLATFORM_LINUX ) || defined( PLATFORM_OSX )
-PLATFORM_INTERFACE bool Plat_IsInDebugSession();
+PLATFORM_INTERFACE bool Plat_IsInDebugSessionRaw();
+inline bool Plat_IsInDebugSession()
+{
+	return Plat_IsInDebugSessionRaw();
+}
 PLATFORM_INTERFACE void Plat_DebugString( const tchar * );
 #else
 inline bool Plat_IsInDebugSession() { return false; }
@@ -1638,6 +1642,13 @@ FORCEINLINE uint64 RotateBitsRight64( uint64 nValue, int nRotateBits )
 }
 #endif
 
+#if !defined COMPILER_MSVC && !defined HMODULE
+#define HMODULE void *
+#endif
+
+PLATFORM_INTERFACE void *Plat_LoadModule( const char *pModuleName );
+PLATFORM_INTERFACE void *Plat_FindModuleByAddress( void *pAddress );
+
 
 #include "tier0/valve_on.h"
 

tier1/interface.cpp

@@ -143,202 +143,6 @@ struct ThreadedLoadLibaryContext_t
 	HMODULE m_hLibrary;
 };
 
-#ifdef _WIN32
-
-// wraps LoadLibraryEx() since 360 doesn't support that
-static HMODULE InternalLoadLibrary( const char *pName )
-{
-#if defined(_X360)
-	return LoadLibrary( pName );
-#else
-	return LoadLibraryEx( pName, NULL, LOAD_WITH_ALTERED_SEARCH_PATH );
-#endif
-}
-uintp ThreadedLoadLibraryFunc(void *pParam)
-{
-	ThreadedLoadLibaryContext_t *pContext = (ThreadedLoadLibaryContext_t*)pParam;
-	pContext->m_hLibrary = InternalLoadLibrary(pContext->m_pLibraryName);
-	return 0;
-}
-#endif
-
-HMODULE Sys_LoadLibrary( const char *pLibraryName )
-{
-	char str[1024];
-#if defined( _WIN32 ) && !defined( _X360 )
-	const char *pModuleExtension = ".dll";
-	const char *pModuleAddition = pModuleExtension;
-#elif defined( _X360 )
-	const char *pModuleExtension = "_360.dll";
-	const char *pModuleAddition = pModuleExtension;
-#elif defined( _LINUX )
-	const char *pModuleExtension = ".so";
-	const char *pModuleAddition = ".so";
-#elif defined( __APPLE__ )
-	const char *pModuleExtension = ".dylib";
-	const char *pModuleAddition = ".dylib";
-#endif
-	Q_strncpy( str, pLibraryName, sizeof(str) );
-	if ( !Q_stristr( str, pModuleExtension ) )
-	{
-		if ( IsX360() )
-		{
-			Q_StripExtension( str, str, sizeof(str) );
-		}
-		Q_strncat( str, pModuleAddition, sizeof(str) );
-	}
-	Q_FixSlashes( str );
-
-#ifdef _WIN32
-	ThreadedLoadLibraryFunc_t threadFunc = GetThreadedLoadLibraryFunc();
-	if ( !threadFunc )
-		return InternalLoadLibrary( str );
-
-	ThreadedLoadLibaryContext_t context;
-	context.m_pLibraryName = str;
-	context.m_hLibrary = 0;
-
-	ThreadHandle_t h = CreateSimpleThread( ThreadedLoadLibraryFunc, &context );
-
-#ifdef _X360
-	ThreadSetAffinity( h, XBOX_PROCESSOR_3 );
-#endif
-
-	unsigned int nTimeout = 0;
-	while( WaitForSingleObject(h, nTimeout) == WAIT_TIMEOUT )
-	{
-		nTimeout = threadFunc();
-	}
-
-	ReleaseThreadHandle( h );
-	return context.m_hLibrary;
-
-#elif defined _LINUX || defined __APPLE__
-	HMODULE ret = dlopen( str, RTLD_NOW );
-	if ( ! ret )
-	{
-		const char *pError = dlerror();
-		if ( pError && ( strstr( pError, "No such file" ) == 0 ) )
-		{
-			Msg( " failed to dlopen %s error=%s\n", str, pError );
-
-		}
-	}
-	
-	return ret;
-#endif
-}
-
-//-----------------------------------------------------------------------------
-// Purpose: Loads a DLL/component from disk and returns a handle to it
-// Input  : *pModuleName - filename of the component
-// Output : opaque handle to the module (hides system dependency)
-//-----------------------------------------------------------------------------
-CSysModule *Sys_LoadModule( const char *pModuleName )
-{
-	// If using the Steam filesystem, either the DLL must be a minimum footprint
-	// file in the depot (MFP) or a filesystem GetLocalCopy() call must be made
-	// prior to the call to this routine.
-	char szCwd[1024];
-	HMODULE hDLL = NULL;
-
-	if ( !Q_IsAbsolutePath( pModuleName ) )
-	{
-		// full path wasn't passed in, using the current working dir
-		_getcwd( szCwd, sizeof( szCwd ) );
-		if ( IsX360() )
-		{
-			int i = CommandLine()->FindParm( "-basedir" );
-			if ( i )
-			{
-				strcpy( szCwd, CommandLine()->GetParm( i+1 ) );
-			}
-		}
-		if (szCwd[strlen(szCwd) - 1] == '/' || szCwd[strlen(szCwd) - 1] == '\\' )
-		{
-			szCwd[strlen(szCwd) - 1] = 0;
-		}
-
-		char szAbsoluteModuleName[1024];
-		if ( strstr( pModuleName, "bin/") == pModuleName )
-		{
-			// don't make bin/bin path
-			Q_snprintf( szAbsoluteModuleName, sizeof(szAbsoluteModuleName), "%s/%s", szCwd, pModuleName );			
-		}
-		else
-		{
-			Q_snprintf( szAbsoluteModuleName, sizeof(szAbsoluteModuleName), "%s/bin/%s", szCwd, pModuleName );
-		}
-		hDLL = Sys_LoadLibrary( szAbsoluteModuleName );
-	}
-
-	if ( !hDLL )
-	{
-		// full path failed, let LoadLibrary() try to search the PATH now
-		hDLL = Sys_LoadLibrary( pModuleName );
-#if defined( _DEBUG )
-		if ( !hDLL )
-		{
-// So you can see what the error is in the debugger...
-#if defined( _WIN32 ) && !defined( _X360 )
-			char *lpMsgBuf;
-			
-			FormatMessage( 
-				FORMAT_MESSAGE_ALLOCATE_BUFFER | 
-				FORMAT_MESSAGE_FROM_SYSTEM | 
-				FORMAT_MESSAGE_IGNORE_INSERTS,
-				NULL,
-				GetLastError(),
-				MAKELANGID(LANG_NEUTRAL, SUBLANG_DEFAULT), // Default language
-				(LPTSTR) &lpMsgBuf,
-				0,
-				NULL 
-			);
-
-			LocalFree( (HLOCAL)lpMsgBuf );
-#elif defined( _X360 )
-			Msg( "Failed to load %s:\n", pModuleName );
-#else
-			Error( "Failed to load %s: %s\n", pModuleName, dlerror() );
-#endif // _WIN32
-		}
-#endif // DEBUG
-	}
-
-	// If running in the debugger, assume debug binaries are okay, otherwise they must run with -allowdebug
-	if ( !IsX360() && hDLL && 
-		!CommandLine()->FindParm( "-allowdebug" ) && 
-		!Sys_IsDebuggerPresent() )
-	{
-		if ( Sys_GetProcAddress( hDLL, "BuiltDebug" ) )
-		{
-			Error( "Module %s is a debug build\n", pModuleName );
-		}
-	}
-
-	return reinterpret_cast<CSysModule *>(hDLL);
-}
-
-
-//-----------------------------------------------------------------------------
-// Purpose: Unloads a DLL/component from
-// Input  : *pModuleName - filename of the component
-// Output : opaque handle to the module (hides system dependency)
-//-----------------------------------------------------------------------------
-void Sys_UnloadModule( CSysModule *pModule )
-{
-	if ( !pModule )
-		return;
-
-	HMODULE	hDLL = reinterpret_cast<HMODULE>(pModule);
-
-#ifdef _WIN32
-	FreeLibrary( hDLL );
-#elif defined(_LINUX) || defined(__APPLE__)
-	dlclose((void *)hDLL);
-#endif
-}
-
 //-----------------------------------------------------------------------------
 // Purpose: returns a pointer to a function, given a module
 // Input  : module - windows HMODULE from Sys_LoadModule()