From 8537e167f238574440151f1c50c7868fcdfb7811 Mon Sep 17 00:00:00 2001
From: "ishell@chromium.org"
 <ishell@chromium.org@ce2b1a6d-e550-0410-aec6-3dcde31c8c00>
Date: Thu, 21 Nov 2013 16:55:16 +0000
Subject: [PATCH] Code object now prints its major_key when applicable.

R=jkummerow@chromium.org

Review URL: https://codereview.chromium.org/81043002

git-svn-id: http://v8.googlecode.com/svn/branches/bleeding_edge@17980 ce2b1a6d-e550-0410-aec6-3dcde31c8c00
---
 src/objects-inl.h | 38 +++++++++++++++++---------------------
 src/objects.cc    |  5 +++++
 src/objects.h     |  1 +
 3 files changed, 23 insertions(+), 21 deletions(-)

diff --git a/src/objects-inl.h b/src/objects-inl.h
index 2e8c0ad..fa6b6f3 100644
--- a/src/objects-inl.h
+++ b/src/objects-inl.h
@@ -3874,33 +3874,14 @@ inline void Code::set_is_crankshafted(bool value) {
 
 
 int Code::major_key() {
-  ASSERT(kind() == STUB ||
-         kind() == HANDLER ||
-         kind() == BINARY_OP_IC ||
-         kind() == COMPARE_IC ||
-         kind() == COMPARE_NIL_IC ||
-         kind() == STORE_IC ||
-         kind() == LOAD_IC ||
-         kind() == KEYED_LOAD_IC ||
-         kind() == KEYED_CALL_IC ||
-         kind() == TO_BOOLEAN_IC);
+  ASSERT(has_major_key());
   return StubMajorKeyField::decode(
       READ_UINT32_FIELD(this, kKindSpecificFlags2Offset));
 }
 
 
 void Code::set_major_key(int major) {
-  ASSERT(kind() == STUB ||
-         kind() == HANDLER ||
-         kind() == BINARY_OP_IC ||
-         kind() == COMPARE_IC ||
-         kind() == COMPARE_NIL_IC ||
-         kind() == LOAD_IC ||
-         kind() == KEYED_LOAD_IC ||
-         kind() == STORE_IC ||
-         kind() == KEYED_STORE_IC ||
-         kind() == KEYED_CALL_IC ||
-         kind() == TO_BOOLEAN_IC);
+  ASSERT(has_major_key());
   ASSERT(0 <= major && major < 256);
   int previous = READ_UINT32_FIELD(this, kKindSpecificFlags2Offset);
   int updated = StubMajorKeyField::update(previous, major);
@@ -3908,6 +3889,21 @@ void Code::set_major_key(int major) {
 }
 
 
+bool Code::has_major_key() {
+  return kind() == STUB ||
+      kind() == HANDLER ||
+      kind() == BINARY_OP_IC ||
+      kind() == COMPARE_IC ||
+      kind() == COMPARE_NIL_IC ||
+      kind() == LOAD_IC ||
+      kind() == KEYED_LOAD_IC ||
+      kind() == STORE_IC ||
+      kind() == KEYED_STORE_IC ||
+      kind() == KEYED_CALL_IC ||
+      kind() == TO_BOOLEAN_IC;
+}
+
+
 bool Code::is_pregenerated() {
   return (kind() == STUB && IsPregeneratedField::decode(flags()));
 }
diff --git a/src/objects.cc b/src/objects.cc
index c874ee3..2b38b1d 100644
--- a/src/objects.cc
+++ b/src/objects.cc
@@ -33,6 +33,7 @@
 #include "arguments.h"
 #include "bootstrapper.h"
 #include "codegen.h"
+#include "code-stubs.h"
 #include "cpu-profiler.h"
 #include "debug.h"
 #include "deoptimizer.h"
@@ -11135,6 +11136,10 @@ void Code::PrintExtraICState(FILE* out, Kind kind, ExtraICState extra) {
 
 void Code::Disassemble(const char* name, FILE* out) {
   PrintF(out, "kind = %s\n", Kind2String(kind()));
+  if (has_major_key()) {
+    PrintF(out, "major_key = %s\n",
+           CodeStub::MajorName(CodeStub::GetMajorKey(this), true));
+  }
   if (is_inline_cache_stub()) {
     PrintF(out, "ic_state = %s\n", ICState2String(ic_state()));
     PrintExtraICState(out, kind(), needs_extended_extra_ic_state(kind()) ?
diff --git a/src/objects.h b/src/objects.h
index ffde816..1e26178 100644
--- a/src/objects.h
+++ b/src/objects.h
@@ -5141,6 +5141,7 @@ class Code: public HeapObject {
   // [major_key]: For kind STUB or BINARY_OP_IC, the major key.
   inline int major_key();
   inline void set_major_key(int value);
+  inline bool has_major_key();
 
   // For kind STUB or ICs, tells whether or not a code object was generated by
   // the optimizing compiler (but it may not be an optimized function).
-- 
2.7.4