Fix printing of symbols for profiling on x64.

runtime/vm/object.cc

 // Copyright (c) 2012, the Dart project authors.  Please see the AUTHORS file
 // for details. All rights reserved. Use of this source code is governed by a
 // BSD-style license that can be found in the LICENSE file.
 
 #include "vm/object.h"
 
 #include "include/dart_api.h"
 #include "platform/assert.h"
 #include "vm/assembler.h"
 #include "vm/bigint_operations.h"
@@ skipping 7140 matching lines @@
   Instructions& instrs =
       Instructions::ZoneHandle(Instructions::New(assembler->CodeSize()));
 
   // Copy the instructions into the instruction area and apply all fixups.
   // Embedded pointers are still in handles at this point.
   MemoryRegion region(reinterpret_cast<void*>(instrs.EntryPoint()),
                       instrs.size());
   assembler->FinalizeInstructions(region);
   Dart_FileWriterFunction perf_events_writer = Dart::perf_events_writer();
   if (perf_events_writer != NULL) {
-    const char* format = "%x %x %s\n";
+    const char* format = "%" PRIxPTR " %" PRIxPTR " %s\n";
     uword addr = instrs.EntryPoint();
     uword size = instrs.size();
     intptr_t len = OS::SNPrint(NULL, 0, format, addr, size, name);
     char* buffer = Isolate::Current()->current_zone()->Alloc<char>(len + 1);
     OS::SNPrint(buffer, len + 1, format, addr, size, name);
     (*perf_events_writer)(buffer, len);
   }
   DebugInfo* pprof_symbol_generator = Dart::pprof_symbol_generator();
   if (pprof_symbol_generator != NULL) {
     ASSERT(strlen(name) != 0);
@@ skipping 3963 matching lines @@
   }
   return result.raw();
 }
 
 
 const char* WeakProperty::ToCString() const {
   return "WeakProperty";
 }
 
 }  // namespace dart