Changeset 39673 in webkit for trunk/JavaScriptCore/interpreter/RegisterFile.cpp

Timestamp:

Jan 6, 2009, 11:41:33 PM (16 years ago)

Author:

[email protected]

Message:

<rdar://problem/6040850> JavaScript register file should use VirtualAlloc on Windows

Reviewed by Gavin Barraclough.

Fairly simple, just reserve 4Mb of address space for the
register file, and then commit one section at a time. We
don't release committed memory as we drop back, but then
mac doesn't either so this probably not too much of a
problem.

File:

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

trunk/JavaScriptCore/interpreter/RegisterFile.cpp

@@ -37 +37 @@
     munmap(m_buffer, ((m_max - m_start) + m_maxGlobals) * sizeof(Register));
 #elif HAVE(VIRTUALALLOC)
-    // FIXME: Use VirtualFree.
-    fastFree(m_buffer);
+    VirtualFree(m_buffer, 0, MEM_RELEASE);
 #else
     #error "Don't know how to release virtual memory on this platform."