[9] RFR (XS): 8075266: Show runtime call details when printing machine code

Vladimir Ivanov vladimir.x.ivanov at oracle.com
Mon Mar 16 19:10:04 UTC 2015


Small enhancement to make generated assembly output more descriptive: 
print code blob name runtime call points to.

   - {runtime_call ic_miss_stub}

   - ; OopMap{[16]=NarrowOop off=348}
     ; - java.lang.String::indexOf at 49 (line 1562)
     ;   {runtime_call UncommonTrapBlob}

   - {runtime_call DeoptimizationBlob}

Testing: manual (looked at -XX:+PrintAssembly output).

Best regards,
Vladimir Ivanov

PS: I considered adding a special case for os::breakpoint (debug builds 
insert such calls everywhere, but I didn't want to enumerate symbols to 
decode arbitrary functions), but decided it doesn't add much. Let me 
know if you think it is useful.

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