<div id="reply-content">I didn't knew this list was in German :-)
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<p style="color: #A0A0A8;">Le mercredi 1 août 2012 à 18:26, Roman Kennke a écrit :</p>
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<div id="quoted-message-content"><div><div>Hi Christian!</div><div><br></div><div>Danke für den Tip, ich hab mir die Implementierungen in TemplateTable</div><div>und auch die existierenden Implementierungen für die anderen invoke*</div><div>bytecodes in bytecodeInterpreter.cpp angeschaut, und bin mit folgender</div><div>Implementierung herausgekommen:</div><div><br></div><div> CASE(_invokehandle): {</div><div> if (!EnableInvokeDynamic) {</div><div> ShouldNotReachHere();</div><div> }</div><div><br></div><div> u2 index = Bytes::get_native_u2(pc+1);</div><div><br></div><div> ConstantPoolCacheEntry* cache = cp->entry_at(index);</div><div><br></div><div> if (! cache->is_resolved((Bytecodes::Code) opcode)) {</div><div> CALL_VM(InterpreterRuntime::resolve_invokehandle(THREAD),</div><div> handle_exception);</div><div> cache = cp->entry_at(index);</div><div> }</div><div><br></div><div> oop result = cache->f1_as_instance();</div><div><br></div><div> VERIFY_OOP(result);</div><div> oop method_handle = java_lang_invoke_CallSite::target(result);</div><div> CHECK_NULL(method_handle);</div><div><br></div><div> istate->set_msg(call_method_handle);</div><div> istate->set_callee((methodOop) method_handle);</div><div> istate->set_bcp_advance(3);</div><div><br></div><div> UPDATE_PC_AND_RETURN(0); // I'll be back...</div><div> }</div><div><br></div><div>Kannst Du kurz drüberschauen ob das korrekt aussieht? Das Problem ist,</div><div>daß ich wirklich nicht 100% weiß, was invokehandle eigentlich macht.</div><div>Soweit ich das verstehe, löst es einen polymorphen Methodenaufruf zu</div><div>MethodHandle.invoke*() auf und springt dann zu selbigem.</div><div><br></div><div>Ich brauch echt ein bisschen Hilfe.. Hotspot und JSR292 sind noch</div><div>ziemlich kalte Wasser für mich zum reinspringen ;-)</div><div><br></div><div>Cheers, Roman</div><div><br></div><div><br></div><div>Am Dienstag, den 31.07.2012, 17:28 -0700 schrieb Christian Thalinger:</div><blockquote type="cite"><div><div>On Jul 31, 2012, at 8:24 AM, Roman Kennke wrote:</div><div><br></div><blockquote type="cite"><div><div>Am Dienstag, den 31.07.2012, 14:19 +0200 schrieb Roman Kennke:</div><blockquote type="cite"><div><div>Hi there,</div><div><br></div><div>I am currently (trying to) get the Hotspot-Zero port in shape for MLVM.</div><div>I am running into a road block here:</div><div><br></div><div># Internal Error</div><div>(/home/rkennke/src/openjdk/hotspot-comp/hotspot/src/share/vm/interpreter/bytecodeInterpreter.cpp:2464), pid=18585, tid=140737337317120</div><div># fatal error: Unimplemented opcode 232 = invokehandle</div><div><br></div><div>Looking at bytecodeInterpreter.cpp it seem to simply not handle</div><div>invokehandle. I would like to add this, but I don't know what exactly</div><div>this bytecode is supposed to do. Could you give me pointers to the</div><div>necessary information or provide some help with this? (Or maybe I am</div><div>doing something wrong here, and should not arrive there at all?)</div></div></blockquote><div><br></div><div>I disabled the invokevirtual->invokehandle rewriting for now (this</div><div>should be safe/correct, right?), and it brings me further into my</div><div>unimplemented handler for vmIntrinsics::_invokeBasic. Need to figure out</div><div>what this is supposed to do (any hints about this one?)..</div></div></blockquote><div><br></div><div>You can't disable the rewriting and run JSR 292 code. That simply won't work. Look at one of the implementations of TemplateTable::_invokehandle and try to do the same in the C++ interpreter.</div><div><br></div><div>-- Chris</div><div><br></div><blockquote type="cite"><div><div><br></div><div>Regards,</div><div>Roman</div><div><br></div><div><br></div><div>_______________________________________________</div><div>mlvm-dev mailing list</div><div>mlvm-dev@openjdk.java.net</div><div>http://mail.openjdk.java.net/mailman/listinfo/mlvm-dev</div></div></blockquote><div><br></div><div>_______________________________________________</div><div>mlvm-dev mailing list</div><div>mlvm-dev@openjdk.java.net</div><div>http://mail.openjdk.java.net/mailman/listinfo/mlvm-dev</div></div></blockquote><div><br></div><div><br></div><div>_______________________________________________</div><div>mlvm-dev mailing list</div><div>mlvm-dev@openjdk.java.net</div><div>http://mail.openjdk.java.net/mailman/listinfo/mlvm-dev</div></div></div>
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