commit b8e0da25ee8efac3bb05cd6b2730aafbd96119f4
author Ben Murdoch <benm@google.com> Mon May 16 14:20:40 2011 +0100
committer Ben Murdoch <benm@google.com> Wed May 18 16:35:26 2011 +0100
tree c5ef7652343a7e4b55601fa0a4c94cf46ba09585
parent 086aeeaae12517475c22695a200be45495516549

Update V8 to r6387 as required by WebKit r76408

Change-Id: Icfc5385b0996bd592f8b1ac8cbb44767ee09f1f6

src/assembler.h

diff --git a/src/assembler.h b/src/assembler.h
index 0219de2..4ef61e4 100644
--- a/src/assembler.h
+++ b/src/assembler.h
@@ -35,6 +35,7 @@
 #ifndef V8_ASSEMBLER_H_
 #define V8_ASSEMBLER_H_
 
+#include "gdb-jit.h"
 #include "runtime.h"
 #include "top.h"
 #include "token.h"
@@ -50,6 +51,7 @@
  public:
   static const double min_int;
   static const double one_half;
+  static const double minus_zero;
   static const double negative_infinity;
 };
 
@@ -555,6 +557,7 @@
   // Static variables containing common double constants.
   static ExternalReference address_of_min_int();
   static ExternalReference address_of_one_half();
+  static ExternalReference address_of_minus_zero();
   static ExternalReference address_of_negative_infinity();
 
   Address address() const {return reinterpret_cast<Address>(address_);}
@@ -635,7 +638,29 @@
 class PositionsRecorder BASE_EMBEDDED {
  public:
   explicit PositionsRecorder(Assembler* assembler)
-      : assembler_(assembler) {}
+      : assembler_(assembler) {
+#ifdef ENABLE_GDB_JIT_INTERFACE
+    gdbjit_lineinfo_ = NULL;
+#endif
+  }
+
+#ifdef ENABLE_GDB_JIT_INTERFACE
+  ~PositionsRecorder() {
+    delete gdbjit_lineinfo_;
+  }
+
+  void StartGDBJITLineInfoRecording() {
+    if (FLAG_gdbjit) {
+      gdbjit_lineinfo_ = new GDBJITLineInfo();
+    }
+  }
+
+  GDBJITLineInfo* DetachGDBJITLineInfo() {
+    GDBJITLineInfo* lineinfo = gdbjit_lineinfo_;
+    gdbjit_lineinfo_ = NULL;  // To prevent deallocation in destructor.
+    return lineinfo;
+  }
+#endif
 
   // Set current position to pos.
   void RecordPosition(int pos);
@@ -655,6 +680,9 @@
  private:
   Assembler* assembler_;
   PositionState state_;
+#ifdef ENABLE_GDB_JIT_INTERFACE
+  GDBJITLineInfo* gdbjit_lineinfo_;
+#endif
 
   friend class PreservePositionScope;