Changeset 39039 in webkit for trunk/JavaScriptCore/interpreter

Timestamp:

Dec 5, 2008, 12:39:57 PM (16 years ago)

Author:

[email protected]

Message:

2008-12-05 Gavin Barraclough <​[email protected]>

Reviewed by Geoffrey Garen.

Simplify JIT generated checks for timeout code, by moving more work into the C function.
​https://bugs.webkit.org/show_bug.cgi?id=22688

• interpreter/Interpreter.cpp: (JSC::Interpreter::cti_timeout_check):
• interpreter/Interpreter.h:
• jit/JIT.cpp: (JSC::JIT::emitSlowScriptCheck):

Location:

trunk/JavaScriptCore/interpreter

Files:

• Interpreter.cpp (modified) (1 diff)
• Interpreter.h (modified) (1 diff)

trunk/JavaScriptCore/interpreter/Interpreter.cpp

@@ -4408 +4408 @@
 }
 
-void Interpreter::cti_timeout_check(CTI_ARGS)
-{
-    CTI_STACK_HACK();
-
-    if (ARG_globalData->interpreter->checkTimeout(ARG_callFrame->dynamicGlobalObject())) {
+int Interpreter::cti_timeout_check(CTI_ARGS)
+{
+    CTI_STACK_HACK();
+    Interpreter* interpreter = ARG_globalData->interpreter;
+
+    if (interpreter->checkTimeout(ARG_callFrame->dynamicGlobalObject())) {
         ARG_globalData->exception = createInterruptedExecutionException(ARG_globalData);
         VM_THROW_EXCEPTION_AT_END();
     }
+    
+    return interpreter->m_ticksUntilNextTimeoutCheck;
 }
 

trunk/JavaScriptCore/interpreter/Interpreter.h

@@ -171 +171 @@
 #if ENABLE(JIT)
 
-        static void SFX_CALL cti_timeout_check(CTI_ARGS);
+        static int SFX_CALL cti_timeout_check(CTI_ARGS);
         static void SFX_CALL cti_register_file_check(CTI_ARGS);