[prof] export slide offset in profile log

src/log.cc

Index: src/log.cc
diff --git a/src/log.cc b/src/log.cc
index 3abf442d7f5ad50c2bbba43356b4c069e95c2005..f930a6d46ffcb8f7e84f67c05e27868bf676a467 100644
--- a/src/log.cc
+++ b/src/log.cc
@@ -665,8 +665,9 @@ void Profiler::Engage() {
   std::vector<base::OS::SharedLibraryAddress> addresses =
       base::OS::GetSharedLibraryAddresses();
   for (size_t i = 0; i < addresses.size(); ++i) {
-    LOG(isolate_, SharedLibraryEvent(
-        addresses[i].library_path, addresses[i].start, addresses[i].end));
+    LOG(isolate_,
+        SharedLibraryEvent(addresses[i].library_path, addresses[i].start,
+                           addresses[i].end, addresses[i].slide));
   }
 
   // Start thread processing the profiler buffer.
@@ -825,14 +826,14 @@ void Logger::ApiSecurityCheck() {
   ApiEvent("api,check-security");
 }
 
-
 void Logger::SharedLibraryEvent(const std::string& library_path,
-                                uintptr_t start,
-                                uintptr_t end) {
+                                uintptr_t start, uintptr_t end,
+                                intptr_t slide) {
   if (!log_->IsEnabled() || !FLAG_prof_cpp) return;
   Log::MessageBuilder msg(log_);
-  msg.Append("shared-library,\"%s\",0x%08" V8PRIxPTR ",0x%08" V8PRIxPTR,
-             library_path.c_str(), start, end);
+  msg.Append("shared-library,\"%s\",0x%08" V8PRIxPTR ",0x%08" V8PRIxPTR
+             ",%" V8PRIdPTR,
+             library_path.c_str(), start, end, slide);
   msg.WriteToLogFile();
 }