ART: Print initialization failures to file

Add the ability to print boot image initialization failures to a
file.

Add a tool to convert said file into a Graphviz file.

Change-Id: Iedcc337bdf05654c154aa553236f20bdd15572ee

1 files changed, 6 insertions, 0 deletions

diff --git a/compiler/driver/compiler_driver.cc b/compiler/driver/compiler_driver.cc
index 2e9f8355f2..57f38abf5b 100644
--- a/compiler/driver/compiler_driver.cc
+++ b/compiler/driver/compiler_driver.cc
@@ -1820,6 +1820,12 @@ static void InitializeClass(const ParallelCompilationManager* manager, size_t cl
               mirror::Throwable* exception = soa.Self()->GetException(&throw_location);
               VLOG(compiler) << "Initialization of " << descriptor << " aborted because of "
                   << exception->Dump();
+              std::ostream* file_log = manager->GetCompiler()->
+                  GetCompilerOptions().GetInitFailureOutput();
+              if (file_log != nullptr) {
+                *file_log << descriptor << "\n";
+                *file_log << exception->Dump() << "\n";
+              }
               soa.Self()->ClearException();
               transaction.Abort();
               CHECK_EQ(old_status, klass->GetStatus()) << "Previous class status not restored";