Patch for allowing several V8 instances in process:...

src/x64/disasm-x64.cc

Index: src/x64/disasm-x64.cc
===================================================================
--- src/x64/disasm-x64.cc	(revision 3427)
+++ src/x64/disasm-x64.cc	(working copy)
@@ -176,7 +176,7 @@
   InstructionDesc instructions_[256];
   void Clear();
   void Init();
-  void CopyTable(ByteMnemonic bm[], InstructionType type);
+  void CopyTable(const ByteMnemonic bm[], InstructionType type);
   void SetTableRange(InstructionType type, byte start, byte end, bool byte_size,
                      const char* mnem);
   void AddJumpConditionalShort();
@@ -211,7 +211,8 @@
 }
 
 
-void InstructionTable::CopyTable(ByteMnemonic bm[], InstructionType type) {
+void InstructionTable::CopyTable(const ByteMnemonic bm[],
+  InstructionType type) {
   for (int i = 0; bm[i].b >= 0; i++) {
     InstructionDesc* id = &instructions_[bm[i].b];
     id->mnem = bm[i].mnem;
@@ -1513,7 +1514,8 @@
 
 
 const char* NameConverter::NameOfAddress(byte* addr) const {
-  static v8::internal::EmbeddedVector<char, 32> tmp_buffer;
+  v8::internal::EmbeddedVector<char, 32>& tmp_buffer =
+    v8::v8_context()->disassembler_data_->tmp_buffer_;
   v8::internal::OS::SNPrintF(tmp_buffer, "%p", addr);
   return tmp_buffer.start();
 }