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comparison src/cpu/x86/vm/frame_x86.cpp @ 6725:da91efe96a93

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6964458: Reimplement class meta-data storage to use native memory Summary: Remove PermGen, allocate meta-data in metaspace linked to class loaders, rewrite GC walking, rewrite and rename metadata to be C++ classes Reviewed-by: jmasa, stefank, never, coleenp, kvn, brutisso, mgerdin, dholmes, jrose, twisti, roland Contributed-by: jmasa <jon.masamitsu@oracle.com>, stefank <stefan.karlsson@oracle.com>, mgerdin <mikael.gerdin@oracle.com>, never <tom.rodriguez@oracle.com>
author coleenp
date Sat, 01 Sep 2012 13:25:18 -0400
parents 1d7922586cf6
children e522a00b91aa 59c790074993
comparison
equal deleted inserted replaced
6724:36d1d483d5d6 6725:da91efe96a93
24 24
25 #include "precompiled.hpp" 25 #include "precompiled.hpp"
26 #include "interpreter/interpreter.hpp" 26 #include "interpreter/interpreter.hpp"
27 #include "memory/resourceArea.hpp" 27 #include "memory/resourceArea.hpp"
28 #include "oops/markOop.hpp" 28 #include "oops/markOop.hpp"
29 #include "oops/methodOop.hpp" 29 #include "oops/method.hpp"
30 #include "oops/oop.inline.hpp" 30 #include "oops/oop.inline.hpp"
31 #include "prims/methodHandles.hpp" 31 #include "prims/methodHandles.hpp"
32 #include "runtime/frame.inline.hpp" 32 #include "runtime/frame.inline.hpp"
33 #include "runtime/handles.inline.hpp" 33 #include "runtime/handles.inline.hpp"
34 #include "runtime/javaCalls.hpp" 34 #include "runtime/javaCalls.hpp"
492 } 492 }
493 493
494 494
495 bool frame::interpreter_frame_equals_unpacked_fp(intptr_t* fp) { 495 bool frame::interpreter_frame_equals_unpacked_fp(intptr_t* fp) {
496 assert(is_interpreted_frame(), "must be interpreter frame"); 496 assert(is_interpreted_frame(), "must be interpreter frame");
497 methodOop method = interpreter_frame_method(); 497 Method* method = interpreter_frame_method();
498 // When unpacking an optimized frame the frame pointer is 498 // When unpacking an optimized frame the frame pointer is
499 // adjusted with: 499 // adjusted with:
500 int diff = (method->max_locals() - method->size_of_parameters()) * 500 int diff = (method->max_locals() - method->size_of_parameters()) *
501 Interpreter::stackElementWords; 501 Interpreter::stackElementWords;
502 return _fp == (fp - diff); 502 return _fp == (fp - diff);
529 529
530 // do some validation of frame elements 530 // do some validation of frame elements
531 531
532 // first the method 532 // first the method
533 533
534 methodOop m = *interpreter_frame_method_addr(); 534 Method* m = *interpreter_frame_method_addr();
535 535
536 // validate the method we'd find in this potential sender 536 // validate the method we'd find in this potential sender
537 if (!Universe::heap()->is_valid_method(m)) return false; 537 if (!Universe::heap()->is_valid_method(m)) return false;
538 538
539 // stack frames shouldn't be much larger than max_stack elements 539 // stack frames shouldn't be much larger than max_stack elements
547 intptr_t bcx = interpreter_frame_bcx(); 547 intptr_t bcx = interpreter_frame_bcx();
548 if (m->validate_bci_from_bcx(bcx) < 0) { 548 if (m->validate_bci_from_bcx(bcx) < 0) {
549 return false; 549 return false;
550 } 550 }
551 551
552 // validate constantPoolCacheOop 552 // validate ConstantPoolCache*
553 553 ConstantPoolCache* cp = *interpreter_frame_cache_addr();
554 constantPoolCacheOop cp = *interpreter_frame_cache_addr(); 554 if (cp == NULL || !cp->is_metadata()) return false;
555
556 if (cp == NULL ||
557 !Space::is_aligned(cp) ||
558 !Universe::heap()->is_permanent((void*)cp)) return false;
559 555
560 // validate locals 556 // validate locals
561 557
562 address locals = (address) *interpreter_frame_locals_addr(); 558 address locals = (address) *interpreter_frame_locals_addr();
563 559
574 // Needed for JVMTI. The result should always be in the 570 // Needed for JVMTI. The result should always be in the
575 // interpreterState object 571 // interpreterState object
576 interpreterState istate = get_interpreterState(); 572 interpreterState istate = get_interpreterState();
577 #endif // CC_INTERP 573 #endif // CC_INTERP
578 assert(is_interpreted_frame(), "interpreted frame expected"); 574 assert(is_interpreted_frame(), "interpreted frame expected");
579 methodOop method = interpreter_frame_method(); 575 Method* method = interpreter_frame_method();
580 BasicType type = method->result_type(); 576 BasicType type = method->result_type();
581 577
582 intptr_t* tos_addr; 578 intptr_t* tos_addr;
583 if (method->is_native()) { 579 if (method->is_native()) {
584 // Prior to calling into the runtime to report the method_exit the possible 580 // Prior to calling into the runtime to report the method_exit the possible