[Truffle] JT: Add --jdebug to debug Java "remotely".

jruby · Mar 2, 2015 · 7490f74 · 7490f74
1 parent ff02270
commit 7490f74
Showing 1 changed file with 4 additions and 0 deletions.
diff --git a/tool/jt.rb b/tool/jt.rb
@@ -157,6 +157,10 @@ def run(*args)
       jruby_args += %w[-J-XX:+UnlockDiagnosticVMOptions -J-XX:CompileCommand=print,*::callRoot]
     end
 
+    if args.delete('--jdebug')
+      jruby_args += %w[-J-agentlib:jdwp=transport=dt_socket,server=y,address=8000,suspend=y]
+    end
+
     if args.delete('--server')
       jruby_args += %w[-Xtruffle.instrumentation_server_port=8080 -Xtruffle.passalot=1]
     end