Changeset 149146 in webkit for trunk/Source/JavaScriptCore/interpreter/Interpreter.cpp

Timestamp:

Apr 25, 2013, 3:17:34 PM (12 years ago)

Author:

[email protected]

Message:

Stack guards are too conservative
​https://bugs.webkit.org/show_bug.cgi?id=115147

Reviewed by Mark Hahnenberg.

Source/JavaScriptCore:

Increase stack guard to closer to old size.

• interpreter/Interpreter.cpp:

(JSC::Interpreter::StackPolicy::StackPolicy):

Source/WTF:

Use getrlimit on darwin to get the stack size for the main thread.

• wtf/StackBounds.cpp:

(WTF::StackBounds::initialize):

File:

• trunk/Source/JavaScriptCore/interpreter/Interpreter.cpp (modified) (1 diff)

trunk/Source/JavaScriptCore/interpreter/Interpreter.cpp

@@ -127 +127 @@
     // These sizes were derived from the stack usage of a number of sites when
     // layout occurs when we've already consumed most of the C stack.
-    const size_t requiredStack = 64 * KB;
-    const size_t errorModeRequiredStack = 32 * KB;
+    const size_t requiredStack = 256 * KB;
+    const size_t errorModeRequiredStack = 64 * KB;
 
     size_t requiredCapacity = m_interpreter.m_errorHandlingModeReentry ? errorModeRequiredStack : requiredStack;