thread isolate for EntryHookTrampoline

R=svenpanne@chromium.org
BUG=

Review URL: https://codereview.chromium.org/23587019

git-svn-id: http://v8.googlecode.com/svn/branches/bleeding_edge@16630 ce2b1a6d-e550-0410-aec6-3dcde31c8c00

src/arm/code-stubs-arm.cc

@@ -6836,6 +6836,9 @@ void ProfileEntryHookStub::Generate(MacroAssembler* masm) {
 #else
   // Under the simulator we need to indirect the entry hook through a
   // trampoline function at a known address.
+  // It additionally takes an isolate as a third parameter
+  __ mov(r2, Operand(ExternalReference::isolate_address(masm->isolate())));
+
   ApiFunction dispatcher(FUNCTION_ADDR(EntryHookTrampoline));
   __ mov(ip, Operand(ExternalReference(&dispatcher,
                                        ExternalReference::BUILTIN_CALL,

src/code-stubs.cc

@@ -731,8 +731,9 @@ void StubFailureTrampolineStub::GenerateAheadOfTime(Isolate* isolate) {
 
 
 void ProfileEntryHookStub::EntryHookTrampoline(intptr_t function,
-                                               intptr_t stack_pointer) {
-  FunctionEntryHook entry_hook = Isolate::Current()->function_entry_hook();
+                                               intptr_t stack_pointer,
+                                               Isolate* isolate) {
+  FunctionEntryHook entry_hook = isolate->function_entry_hook();
   ASSERT(entry_hook != NULL);
   entry_hook(function, stack_pointer);
 }

src/code-stubs.h

@@ -2295,7 +2295,8 @@ class ProfileEntryHookStub : public PlatformCodeStub {
 
  private:
   static void EntryHookTrampoline(intptr_t function,
-                                  intptr_t stack_pointer);
+                                  intptr_t stack_pointer,
+                                  Isolate* isolate);
 
   Major MajorKey() { return ProfileEntryHook; }
   int MinorKey() { return 0; }