[Isolates] Merge crankshaft (r5922 from bleeding_edge).

src/disassembler.cc

-// Copyright 2006-2008 the V8 project authors. All rights reserved.
+// Copyright 2010 the V8 project authors. 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.
 //     * Redistributions in binary form must reproduce the above
 //       copyright notice, this list of conditions and the following
 //       disclaimer in the documentation and/or other materials provided
 //       with the distribution.
@@ skipping 11 matching lines @@
 // DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
 // THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
 // (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE
 // OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
 
 #include "v8.h"
 
 #include "code-stubs.h"
 #include "codegen-inl.h"
 #include "debug.h"
+#include "deoptimizer.h"
 #include "disasm.h"
 #include "disassembler.h"
 #include "macro-assembler.h"
 #include "serialize.h"
 #include "string-stream.h"
 
 namespace v8 {
 namespace internal {
 
 #ifdef ENABLE_DISASSEMBLER
@@ skipping 228 matching lines @@
               case CodeStub::CallFunction:
                 out.AddFormatted("argc = %d", minor_key);
                 break;
             default:
                 out.AddFormatted("minor: %d", minor_key);
             }
           }
         } else {
           out.AddFormatted(" %s", Code::Kind2String(kind));
         }
+      } else if (rmode == RelocInfo::RUNTIME_ENTRY) {
+        // A runtime entry reloinfo might be a deoptimization bailout.
+        Address addr = relocinfo.target_address();
+        int id = Deoptimizer::GetDeoptimizationId(addr, Deoptimizer::EAGER);
+        if (id == Deoptimizer::kNotDeoptimizationEntry) {
+          out.AddFormatted("    ;; %s", RelocInfo::RelocModeName(rmode));
+        } else {
+          out.AddFormatted("    ;; deoptimization bailout %d", id);
+        }
       } else {
         out.AddFormatted("    ;; %s", RelocInfo::RelocModeName(rmode));
       }
     }
     out.AddString("\n");
     DumpBuffer(f, out.Finalize());
     out.Reset();
   }
 
   delete it;
   return static_cast<int>(pc - begin);
 }
 
 
 int Disassembler::Decode(FILE* f, byte* begin, byte* end) {
   V8NameConverter defaultConverter(NULL);
   return DecodeIt(f, defaultConverter, begin, end);
 }
 
 
 // Called by Code::CodePrint.
 void Disassembler::Decode(FILE* f, Code* code) {
-  byte* begin = Code::cast(code)->instruction_start();
-  byte* end = begin + Code::cast(code)->instruction_size();
+  int decode_size = (code->kind() == Code::OPTIMIZED_FUNCTION)
+      ? static_cast<int>(code->safepoint_table_start())
+      : code->instruction_size();
+  // If there might be a stack check table, stop before reaching it.
+  if (code->kind() == Code::FUNCTION) {
+    decode_size =
+        Min(decode_size, static_cast<int>(code->stack_check_table_start()));
+  }
+
+  byte* begin = code->instruction_start();
+  byte* end = begin + decode_size;
   V8NameConverter v8NameConverter(code);
   DecodeIt(f, v8NameConverter, begin, end);
 }
 
 #else  // ENABLE_DISASSEMBLER
 
 void Disassembler::Dump(FILE* f, byte* begin, byte* end) {}
 int Disassembler::Decode(FILE* f, byte* begin, byte* end) { return 0; }
 void Disassembler::Decode(FILE* f, Code* code) {}
 
 #endif  // ENABLE_DISASSEMBLER
 
 } }  // namespace v8::internal