Mercurial > hg > graal-compiler
view src/share/vm/oops/compiledICHolderKlass.cpp @ 900:9987d9d5eb0e
6833129: specjvm98 fails with NullPointerException in the compiler with -XX:DeoptimizeALot
Summary: developed a reexecute logic for the interpreter to reexecute the bytecode when deopt happens
Reviewed-by: kvn, never, jrose, twisti
author | cfang |
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date | Fri, 31 Jul 2009 17:12:33 -0700 |
parents | a61af66fc99e |
children | 4e6abf09f540 |
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/* * Copyright 1998-2006 Sun Microsystems, Inc. All Rights Reserved. * DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER. * * This code is free software; you can redistribute it and/or modify it * under the terms of the GNU General Public License version 2 only, as * published by the Free Software Foundation. * * This code is distributed in the hope that it will be useful, but WITHOUT * ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or * FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License * version 2 for more details (a copy is included in the LICENSE file that * accompanied this code). * * You should have received a copy of the GNU General Public License version * 2 along with this work; if not, write to the Free Software Foundation, * Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA. * * Please contact Sun Microsystems, Inc., 4150 Network Circle, Santa Clara, * CA 95054 USA or visit www.sun.com if you need additional information or * have any questions. * */ # include "incls/_precompiled.incl" # include "incls/_compiledICHolderKlass.cpp.incl" klassOop compiledICHolderKlass::create_klass(TRAPS) { compiledICHolderKlass o; KlassHandle h_this_klass(THREAD, Universe::klassKlassObj()); KlassHandle k = base_create_klass(h_this_klass, header_size(), o.vtbl_value(), CHECK_NULL); // Make sure size calculation is right assert(k()->size() == align_object_size(header_size()), "wrong size for object"); java_lang_Class::create_mirror(k, CHECK_NULL); // Allocate mirror return k(); } compiledICHolderOop compiledICHolderKlass::allocate(TRAPS) { KlassHandle h_k(THREAD, as_klassOop()); int size = compiledICHolderOopDesc::object_size(); compiledICHolderOop c = (compiledICHolderOop) CollectedHeap::permanent_obj_allocate(h_k, size, CHECK_NULL); c->set_holder_method(NULL); c->set_holder_klass(NULL); return c; } int compiledICHolderKlass::oop_size(oop obj) const { assert(obj->is_compiledICHolder(), "must be compiledICHolder"); return compiledICHolderOop(obj)->object_size(); } void compiledICHolderKlass::oop_follow_contents(oop obj) { assert(obj->is_compiledICHolder(), "must be compiledICHolder"); compiledICHolderOop c = compiledICHolderOop(obj); obj->follow_header(); MarkSweep::mark_and_push(c->adr_holder_method()); MarkSweep::mark_and_push(c->adr_holder_klass()); } #ifndef SERIALGC void compiledICHolderKlass::oop_follow_contents(ParCompactionManager* cm, oop obj) { assert(obj->is_compiledICHolder(), "must be compiledICHolder"); compiledICHolderOop c = compiledICHolderOop(obj); obj->follow_header(cm); PSParallelCompact::mark_and_push(cm, c->adr_holder_method()); PSParallelCompact::mark_and_push(cm, c->adr_holder_klass()); } #endif // SERIALGC int compiledICHolderKlass::oop_oop_iterate(oop obj, OopClosure* blk) { assert(obj->is_compiledICHolder(), "must be compiledICHolder"); compiledICHolderOop c = compiledICHolderOop(obj); // Get size before changing pointers. // Don't call size() or oop_size() since that is a virtual call. int size = c->object_size(); obj->oop_iterate_header(blk); blk->do_oop(c->adr_holder_method()); blk->do_oop(c->adr_holder_klass()); return size; } int compiledICHolderKlass::oop_oop_iterate_m(oop obj, OopClosure* blk, MemRegion mr) { assert(obj->is_compiledICHolder(), "must be compiledICHolder"); compiledICHolderOop c = compiledICHolderOop(obj); // Get size before changing pointers. // Don't call size() or oop_size() since that is a virtual call. int size = c->object_size(); obj->oop_iterate_header(blk, mr); oop* adr; adr = c->adr_holder_method(); if (mr.contains(adr)) blk->do_oop(adr); adr = c->adr_holder_klass(); if (mr.contains(adr)) blk->do_oop(adr); return size; } int compiledICHolderKlass::oop_adjust_pointers(oop obj) { assert(obj->is_compiledICHolder(), "must be compiledICHolder"); compiledICHolderOop c = compiledICHolderOop(obj); // Get size before changing pointers. // Don't call size() or oop_size() since that is a virtual call. int size = c->object_size(); MarkSweep::adjust_pointer(c->adr_holder_method()); MarkSweep::adjust_pointer(c->adr_holder_klass()); obj->adjust_header(); return size; } #ifndef SERIALGC void compiledICHolderKlass::oop_copy_contents(PSPromotionManager* pm, oop obj) { assert(obj->is_compiledICHolder(), "must be compiledICHolder"); } void compiledICHolderKlass::oop_push_contents(PSPromotionManager* pm, oop obj) { assert(obj->is_compiledICHolder(), "must be compiledICHolder"); } int compiledICHolderKlass::oop_update_pointers(ParCompactionManager* cm, oop obj) { assert(obj->is_compiledICHolder(), "must be compiledICHolder"); compiledICHolderOop c = compiledICHolderOop(obj); PSParallelCompact::adjust_pointer(c->adr_holder_method()); PSParallelCompact::adjust_pointer(c->adr_holder_klass()); return c->object_size(); } int compiledICHolderKlass::oop_update_pointers(ParCompactionManager* cm, oop obj, HeapWord* beg_addr, HeapWord* end_addr) { assert(obj->is_compiledICHolder(), "must be compiledICHolder"); compiledICHolderOop c = compiledICHolderOop(obj); oop* p; p = c->adr_holder_method(); PSParallelCompact::adjust_pointer(p, beg_addr, end_addr); p = c->adr_holder_klass(); PSParallelCompact::adjust_pointer(p, beg_addr, end_addr); return c->object_size(); } #endif // SERIALGC #ifndef PRODUCT // Printing void compiledICHolderKlass::oop_print_on(oop obj, outputStream* st) { assert(obj->is_compiledICHolder(), "must be compiledICHolder"); Klass::oop_print_on(obj, st); compiledICHolderOop c = compiledICHolderOop(obj); st->print(" - method: "); c->holder_method()->print_value_on(st); st->cr(); st->print(" - klass: "); c->holder_klass()->print_value_on(st); st->cr(); } void compiledICHolderKlass::oop_print_value_on(oop obj, outputStream* st) { assert(obj->is_compiledICHolder(), "must be compiledICHolder"); Klass::oop_print_value_on(obj, st); } #endif const char* compiledICHolderKlass::internal_name() const { return "{compiledICHolder}"; } // Verification void compiledICHolderKlass::oop_verify_on(oop obj, outputStream* st) { Klass::oop_verify_on(obj, st); guarantee(obj->is_compiledICHolder(), "must be compiledICHolder"); compiledICHolderOop c = compiledICHolderOop(obj); guarantee(c->is_perm(), "should be in permspace"); guarantee(c->holder_method()->is_perm(), "should be in permspace"); guarantee(c->holder_method()->is_method(), "should be method"); guarantee(c->holder_klass()->is_perm(), "should be in permspace"); guarantee(c->holder_klass()->is_klass(), "should be klass"); }