Out-of-line constant pool on Arm: Stage 3 - Set Constant Pool Pointer on Function Entry

src/frames.h

Index: src/frames.h
diff --git a/src/frames.h b/src/frames.h
index 230144d6800a9f4c8134c1903421aa6f3a6e8e28..a8b5cdaaee2b14b484632b608480f02a167745b8 100644
--- a/src/frames.h
+++ b/src/frames.h
@@ -167,15 +167,19 @@ class StackHandler BASE_EMBEDDED {
 class StandardFrameConstants : public AllStatic {
  public:
   // Fixed part of the frame consists of return address, caller fp,
-  // context and function.
+  // context, function, and constant pool (if FLAG_enable_ool_constant_pool).

[ulan, 2013/12/19 12:54:41]

Fix order of constant pool.

[rmcilroy, 2013/12/19 13:31:59]

Done.

   // StandardFrame::IterateExpressions assumes that kContextOffset is the last
   // object pointer.
-  static const int kFixedFrameSizeFromFp =  2 * kPointerSize;
+  static const int kCPSlotSize =
+      FLAG_enable_ool_constant_pool ? kPointerSize : 0;
+  static const int kFixedFrameSizeFromFp =  2 * kPointerSize + kCPSlotSize;
   static const int kFixedFrameSize       =  kPCOnStackSize + kFPOnStackSize +
                                             kFixedFrameSizeFromFp;
-  static const int kExpressionsOffset    = -3 * kPointerSize;
-  static const int kMarkerOffset         = -2 * kPointerSize;
-  static const int kContextOffset        = -1 * kPointerSize;
+  static const int kExpressionsOffset    = -3 * kPointerSize - kCPSlotSize;
+  static const int kMarkerOffset         = -2 * kPointerSize - kCPSlotSize;
+  static const int kContextOffset        = -1 * kPointerSize - kCPSlotSize;
+  static const int kConstantPoolOffset   = FLAG_enable_ool_constant_pool ?
+                                           -1 * kPointerSize : 0;
   static const int kCallerFPOffset       =  0 * kPointerSize;
   static const int kCallerPCOffset       = +1 * kFPOnStackSize;
   static const int kCallerSPOffset       = kCallerPCOffset + 1 * kPCOnStackSize;
@@ -602,6 +606,7 @@ class JavaScriptFrame: public StandardFrame {
   // Architecture-specific register description.
   static Register fp_register();
   static Register context_register();
+  static Register constant_pool_pointer_register();
 
   static JavaScriptFrame* cast(StackFrame* frame) {
     ASSERT(frame->is_java_script());
@@ -758,6 +763,7 @@ class StubFailureTrampolineFrame: public StandardFrame {
   // Architecture-specific register description.
   static Register fp_register();
   static Register context_register();
+  static Register constant_pool_pointer_register();
 
  protected:
   inline explicit StubFailureTrampolineFrame(