Allow arguments in safepoints with registers.

src/frames.h

 // Copyright 2006-2008 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
@@ skipping 10 matching lines @@
 // SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT
 // LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
 // 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.
 
 #ifndef V8_FRAMES_H_
 #define V8_FRAMES_H_
 
+#include "safepoint-table.h"
+
 namespace v8 {
 namespace internal {
 
 typedef uint32_t RegList;
 
 // Get the number of registers in a given register list.
 int NumRegs(RegList list);
 
 // Return the code of the n-th saved register available to JavaScript.
 int JSCallerSavedCode(int n);
 
 
 // Forward declarations.
 class StackFrameIterator;
 class Top;
 class ThreadLocalTop;
 
 
 class PcToCodeCache : AllStatic {
  public:
   struct PcToCodeCacheEntry {
     Address pc;
     Code* code;
-    uint8_t* safepoint_entry;
+    SafepointEntry safepoint_entry;
   };
 
   static PcToCodeCacheEntry* cache(int index) {
     return &cache_[index];
   }
 
   static Code* GcSafeFindCodeForPc(Address pc);
   static Code* GcSafeCastToCode(HeapObject* object, Address pc);
 
   static void FlushPcToCodeCache() {
@@ skipping 136 matching lines @@
 
   // Get the code object that contains the given pc.
   static Code* GetContainingCode(Address pc) {
     return PcToCodeCache::GetCacheEntry(pc)->code;
   }
 
   // Get the code object containing the given pc and fill in the
   // safepoint entry and the number of stack slots. The pc must be at
   // a safepoint.
   static Code* GetSafepointData(Address pc,
-                                uint8_t** safepoint_entry,
+                                SafepointEntry* safepoint_entry,
                                 unsigned* stack_slots);
 
   virtual void Iterate(ObjectVisitor* v) const = 0;
   static void IteratePc(ObjectVisitor* v, Address* pc_address, Code* holder);
 
 
   // Printing support.
   enum PrintMode { OVERVIEW, DETAILS };
   virtual void Print(StringStream* accumulator,
                      PrintMode mode,
@@ skipping 593 matching lines @@
 };
 
 
 // Reads all frames on the current stack and copies them into the current
 // zone memory.
 Vector<StackFrame*> CreateStackMap();
 
 } }  // namespace v8::internal
 
 #endif  // V8_FRAMES_H_