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comparison src/share/vm/interpreter/interpreter.cpp @ 13010:bd3237e0e18d

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8026328: Setting a breakpoint on invokedynamic crashes the JVM Reviewed-by: jrose, roland
author twisti
date Thu, 24 Oct 2013 16:23:07 -0700
parents b800986664f4
children 096c224171c4 78bbf4d43a14
comparison
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12968:97d400662426 13010:bd3237e0e18d
327 327
328 328
329 //------------------------------------------------------------------------------------------------------------------------ 329 //------------------------------------------------------------------------------------------------------------------------
330 // Deoptimization support 330 // Deoptimization support
331 331
332 // If deoptimization happens, this function returns the point of next bytecode to continue execution 332 /**
333 * If a deoptimization happens, this function returns the point of next bytecode to continue execution.
334 */
333 address AbstractInterpreter::deopt_continue_after_entry(Method* method, address bcp, int callee_parameters, bool is_top_frame) { 335 address AbstractInterpreter::deopt_continue_after_entry(Method* method, address bcp, int callee_parameters, bool is_top_frame) {
334 assert(method->contains(bcp), "just checkin'"); 336 assert(method->contains(bcp), "just checkin'");
335 Bytecodes::Code code = Bytecodes::java_code_at(method, bcp); 337
338 // Get the original and rewritten bytecode.
339 Bytecodes::Code code = Bytecodes::java_code_at(method, bcp);
336 assert(!Interpreter::bytecode_should_reexecute(code), "should not reexecute"); 340 assert(!Interpreter::bytecode_should_reexecute(code), "should not reexecute");
337 int bci = method->bci_from(bcp); 341
338 int length = -1; // initial value for debugging 342 const int bci = method->bci_from(bcp);
343
339 // compute continuation length 344 // compute continuation length
340 length = Bytecodes::length_at(method, bcp); 345 const int length = Bytecodes::length_at(method, bcp);
346
341 // compute result type 347 // compute result type
342 BasicType type = T_ILLEGAL; 348 BasicType type = T_ILLEGAL;
343 349
344 switch (code) { 350 switch (code) {
345 case Bytecodes::_invokevirtual : 351 case Bytecodes::_invokevirtual :
391 397
392 // return entry point for computed continuation state & bytecode length 398 // return entry point for computed continuation state & bytecode length
393 return 399 return
394 is_top_frame 400 is_top_frame
395 ? Interpreter::deopt_entry (as_TosState(type), length) 401 ? Interpreter::deopt_entry (as_TosState(type), length)
396 : Interpreter::return_entry(as_TosState(type), length); 402 : Interpreter::return_entry(as_TosState(type), length, code);
397 } 403 }
398 404
399 // If deoptimization happens, this function returns the point where the interpreter reexecutes 405 // If deoptimization happens, this function returns the point where the interpreter reexecutes
400 // the bytecode. 406 // the bytecode.
401 // Note: Bytecodes::_athrow is a special case in that it does not return 407 // Note: Bytecodes::_athrow is a special case in that it does not return