5 * This code is free software; you can redistribute it and/or modify it 6 * under the terms of the GNU General Public License version 2 only, as 7 * published by the Free Software Foundation. 8 * 9 * This code is distributed in the hope that it will be useful, but WITHOUT 10 * ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or 11 * FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License 12 * version 2 for more details (a copy is included in the LICENSE file that 13 * accompanied this code). 14 * 15 * You should have received a copy of the GNU General Public License version 16 * 2 along with this work; if not, write to the Free Software Foundation, 17 * Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA. 18 * 19 * Please contact Oracle, 500 Oracle Parkway, Redwood Shores, CA 94065 USA 20 * or visit www.oracle.com if you need additional information or have any 21 * questions. 22 * 23 */ 24 25 #include "incls/_precompiled.incl" 26 #include "incls/_compiledIC.cpp.incl" 27 28 29 // Every time a compiled IC is changed or its type is being accessed, 30 // either the CompiledIC_lock must be set or we must be at a safe point. 31 32 //----------------------------------------------------------------------------- 33 // Low-level access to an inline cache. Private, since they might not be 34 // MT-safe to use. 35 36 void CompiledIC::set_cached_oop(oop cache) { 37 assert (CompiledIC_lock->is_locked() || SafepointSynchronize::is_at_safepoint(), ""); 38 assert (!is_optimized(), "an optimized virtual call does not have a cached oop"); 39 assert (cache == NULL || cache != badOop, "invalid oop"); 40 41 if (TraceCompiledIC) { 42 tty->print(" "); 43 print_compiled_ic(); 44 tty->print_cr(" changing oop to " INTPTR_FORMAT, (address)cache); 45 } 46 | 5 * This code is free software; you can redistribute it and/or modify it 6 * under the terms of the GNU General Public License version 2 only, as 7 * published by the Free Software Foundation. 8 * 9 * This code is distributed in the hope that it will be useful, but WITHOUT 10 * ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or 11 * FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License 12 * version 2 for more details (a copy is included in the LICENSE file that 13 * accompanied this code). 14 * 15 * You should have received a copy of the GNU General Public License version 16 * 2 along with this work; if not, write to the Free Software Foundation, 17 * Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA. 18 * 19 * Please contact Oracle, 500 Oracle Parkway, Redwood Shores, CA 94065 USA 20 * or visit www.oracle.com if you need additional information or have any 21 * questions. 22 * 23 */ 24 25 #include "precompiled.hpp" 26 #include "classfile/systemDictionary.hpp" 27 #include "code/codeCache.hpp" 28 #include "code/compiledIC.hpp" 29 #include "code/icBuffer.hpp" 30 #include "code/nmethod.hpp" 31 #include "code/vtableStubs.hpp" 32 #include "interpreter/interpreter.hpp" 33 #include "interpreter/linkResolver.hpp" 34 #include "memory/oopFactory.hpp" 35 #include "oops/methodOop.hpp" 36 #include "oops/oop.inline.hpp" 37 #include "oops/symbolOop.hpp" 38 #include "runtime/icache.hpp" 39 #include "runtime/sharedRuntime.hpp" 40 #include "runtime/stubRoutines.hpp" 41 #include "utilities/events.hpp" 42 43 44 // Every time a compiled IC is changed or its type is being accessed, 45 // either the CompiledIC_lock must be set or we must be at a safe point. 46 47 //----------------------------------------------------------------------------- 48 // Low-level access to an inline cache. Private, since they might not be 49 // MT-safe to use. 50 51 void CompiledIC::set_cached_oop(oop cache) { 52 assert (CompiledIC_lock->is_locked() || SafepointSynchronize::is_at_safepoint(), ""); 53 assert (!is_optimized(), "an optimized virtual call does not have a cached oop"); 54 assert (cache == NULL || cache != badOop, "invalid oop"); 55 56 if (TraceCompiledIC) { 57 tty->print(" "); 58 print_compiled_ic(); 59 tty->print_cr(" changing oop to " INTPTR_FORMAT, (address)cache); 60 } 61 |