1 files changed, 19 insertions, 0 deletions
diff --git a/src/preamble.js b/src/preamble.js
index 710b7c52..f9fccdf6 100644
--- a/src/preamble.js
+++ b/src/preamble.js
@@ -642,6 +642,10 @@ Module['stringToUTF32'] = stringToUTF32;
 
 function demangle(func) {
   try {
+    // Special-case the entry point, since its name differs from other name mangling.
+    if (func == 'Object._main' || func == '_main') {
+      return 'main()';
+    }
     if (typeof func === 'number') func = Pointer_stringify(func);
     if (func[0] !== '_') return func;
     if (func[1] !== '_') return func; // C function
@@ -862,6 +866,21 @@ var TOTAL_STACK = Module['TOTAL_STACK'] || {{{ TOTAL_STACK }}};
 var TOTAL_MEMORY = Module['TOTAL_MEMORY'] || {{{ TOTAL_MEMORY }}};
 var FAST_MEMORY = Module['FAST_MEMORY'] || {{{ FAST_MEMORY }}};
 
+#if ASM_JS
+var totalMemory = 4096;
+while (totalMemory < TOTAL_MEMORY || totalMemory < 2*TOTAL_STACK) {
+  if (totalMemory < 16*1024*1024) {
+    totalMemory *= 2;
+  } else {
+    totalMemory += 16*1024*1024
+  }
+}
+if (totalMemory !== TOTAL_MEMORY) {
+  Module.printErr('increasing TOTAL_MEMORY to ' + totalMemory + ' to be more reasonable');
+  TOTAL_MEMORY = totalMemory;
+}
+#endif
+
 // Initialize the runtime's memory
 #if USE_TYPED_ARRAYS
 // check for full engine support (use string 'subarray' to avoid closure compiler confusion)