--- a/src/hotspot/share/runtime/os.cpp	Fri Feb 01 14:24:40 2019 +0000
+++ b/src/hotspot/share/runtime/os.cpp	Fri Feb 01 16:03:15 2019 +0100
@@ -909,6 +909,11 @@
   st->cr();
 }
 
+void os::print_instructions(outputStream* st, address pc, int unitsize) {
+  st->print_cr("Instructions: (pc=" PTR_FORMAT ")", p2i(pc));
+  print_hex_dump(st, pc - 256, pc + 256, unitsize);
+}
+
 void os::print_environment_variables(outputStream* st, const char** env_list) {
   if (env_list) {
     st->print_cr("Environment Variables:");