LaunchAPPLServer: Think about memory usage and code size

LaunchAPPL/Common/CMakeLists.txt

@@ -10,3 +10,7 @@ target_include_directories(LaunchAPPLCommon PUBLIC .)
 
 add_executable(TestLaunchAPPLCommon Test.cc)
 target_link_libraries(TestLaunchAPPLCommon LaunchAPPLCommon)
+
+if(CMAKE_SYSTEM_NAME MATCHES Retro68)
+    #target_compile_options(LaunchAPPLCommon PRIVATE -ffunction-sections -fno-exceptions -Os)
+endif()

LaunchAPPL/Server/CMakeLists.txt

@@ -9,5 +9,14 @@ add_application(LaunchAPPLServer
 target_link_libraries(LaunchAPPLServer LaunchAPPLCommon)
 set_target_properties(LaunchAPPLServer PROPERTIES
         CXX_STANDARD 17
-        LINK_FLAGS "-Wl,-gc-sections"
     )
+target_compile_options(LaunchAPPLServer PRIVATE -ffunction-sections -fno-exceptions -Os)
+if(CMAKE_SYSTEM_NAME MATCHES Retro68)
+    set_target_properties(LaunchAPPLServer PROPERTIES
+            LINK_FLAGS "-Wl,-gc-sections -Wl,--mac-segments -Wl,${CMAKE_CURRENT_SOURCE_DIR}/LaunchAPPLServer.segmap"
+        )
+else()
+    set_target_properties(LaunchAPPLServer PROPERTIES
+            LINK_FLAGS "-Wl,-gc-sections"
+        )
+endif()

LaunchAPPL/Server/LaunchAPPLServer.cc

@@ -218,6 +218,13 @@ void DoUpdate(WindowRef w)
         PaintRect(&r);
     }
 
+    Str255 str;
+    NumToString(FreeMem(), str);
+    MoveTo(10,80);
+    DrawString(str); DrawString("\p / ");
+    NumToString(ApplicationZone()->bkLim - (Ptr)ApplicationZone(), str);
+    DrawString(str); DrawString("\p bytes free");
+
     EndUpdate(w);
 }
 
@@ -379,6 +386,12 @@ void WritePrefs()
 
 int main()
 {
+    // default stack size is 8KB on B&W macs
+    // and 24 KB on Color macs.
+    // 8KB seems to be not quite enough,
+    // so increase stack size by 8KB.
+    SetApplLimit(GetApplLimit() - 8192);
+    MaxApplZone();
 #if !TARGET_API_MAC_CARBON
     InitGraf(&qd.thePort);
     InitFonts();
@@ -387,7 +400,7 @@ int main()
     TEInit();
     InitDialogs(NULL);
 #endif
-
+    
     SetMenuBar(GetNewMBar(128));
     AppendResMenu(GetMenu(128), 'DRVR');
     DrawMenuBar();

LaunchAPPL/Server/LaunchAPPLServer.r

@@ -123,6 +123,6 @@ resource 'SIZE' (-1) {
 	reserved,
 	reserved,
 	reserved,
-	256 * 1024,
-	256 * 1024
+	136 * 1024,
+	136 * 1024
 };

LaunchAPPL/Server/LaunchAPPLServer.segmap

@@ -0,0 +1,9 @@
+SEGMENT Serial
+    */libLaunchAPPLCommon.a:ReliableStream.*
+    */MacSerialStream.*
+
+SEGMENT Launcher
+    */AppLauncher.*
+
+SEGMENT libstdc++
+    */libstdc++.a:*