* Move irregexp backtrack stack to external memory area, instead of the system stack.

src/assembler.cc

 // Copyright (c) 1994-2006 Sun Microsystems Inc.
 // All Rights Reserved.
 //
 // Redistribution and use in source and binary forms, with or without
 // modification, are permitted provided that the following conditions are
 // met:
 //
 // - Redistributions of source code must retain the above copyright notice,
 // this list of conditions and the following disclaimer.
 //
@@ skipping 23 matching lines @@
 
 #include "v8.h"
 
 #include "arguments.h"
 #include "execution.h"
 #include "ic-inl.h"
 #include "factory.h"
 #include "runtime.h"
 #include "serialize.h"
 #include "stub-cache.h"
+#include "regexp-stack.h"
 
 namespace v8 { namespace internal {
 
 
 // -----------------------------------------------------------------------------
 // Implementation of Label
 
 int Label::pos() const {
   if (pos_ < 0) return -pos_ - 1;
   if (pos_ > 0) return  pos_ - 1;
@@ skipping 490 matching lines @@
 ExternalReference ExternalReference::the_hole_value_location() {
   return ExternalReference(Factory::the_hole_value().location());
 }
 
 
 ExternalReference ExternalReference::address_of_stack_guard_limit() {
   return ExternalReference(StackGuard::address_of_jslimit());
 }
 
 
+ExternalReference ExternalReference::address_of_regexp_stack_limit() {
+  return ExternalReference(RegExpStack::limit_address());
+}
+
+
 ExternalReference ExternalReference::debug_break() {
   return ExternalReference(FUNCTION_ADDR(Debug::Break));
 }
 
 
 ExternalReference ExternalReference::new_space_start() {
   return ExternalReference(Heap::NewSpaceStart());
 }
 
 ExternalReference ExternalReference::new_space_allocation_top_address() {
   return ExternalReference(Heap::NewSpaceAllocationTopAddress());
 }
 
 ExternalReference ExternalReference::heap_always_allocate_scope_depth() {
   return ExternalReference(Heap::always_allocate_scope_depth_address());
 }
 
 ExternalReference ExternalReference::new_space_allocation_limit_address() {
   return ExternalReference(Heap::NewSpaceAllocationLimitAddress());
 }
 
 ExternalReference ExternalReference::debug_step_in_fp_address() {
   return ExternalReference(Debug::step_in_fp_addr());
 }
 
 } }  // namespace v8::internal