Changeset 114803 in webkit for trunk/Source/JavaScriptCore/interpreter/CallFrame.h

Timestamp:

Apr 20, 2012, 5:12:04 PM (13 years ago)

Author:

[email protected]

Message:

Add an ability to find the extent of a callframe
​https://bugs.webkit.org/show_bug.cgi?id=84513

Reviewed by Filip Pizlo.

Add a function to get the extent of a callframe and
use that function for a new assertion to make sure the
RegisterFile makes sense using that information.

• interpreter/CallFrame.cpp:

(JSC::CallFrame::frameExtentInternal):
(JSC):

• interpreter/CallFrame.h:

(JSC::ExecState::frameExtent):
(ExecState):

• interpreter/Interpreter.cpp:

(JSC::Interpreter::executeCall):

File:

• trunk/Source/JavaScriptCore/interpreter/CallFrame.h (modified) (1 diff)

trunk/Source/JavaScriptCore/interpreter/CallFrame.h

@@ -126 +126 @@
 #endif
 
+        Register* frameExtent()
+        {
+            if (!codeBlock())
+                return registers();
+            return frameExtentInternal();
+        }
+    
+        Register* frameExtentInternal();
+    
 #if ENABLE(DFG_JIT)
         InlineCallFrame* inlineCallFrame() const { return this[RegisterFile::ReturnPC].asInlineCallFrame(); }