1 /* 2 * Copyright 1997-2009 Sun Microsystems, Inc. All Rights Reserved. 3 * DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER. 4 * 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 Sun Microsystems, Inc., 4150 Network Circle, Santa Clara, 20 * CA 95054 USA or visit www.sun.com if you need additional information or 21 * have any questions. 22 * 23 */ 24 25 #include "incls/_precompiled.incl" 26 #include "incls/_methodHandles_sparc.cpp.incl" 27 28 #define __ _masm-> 29 30 address MethodHandleEntry::start_compiled_entry(MacroAssembler* _masm, 31 address interpreted_entry) { 32 __ align(wordSize); 33 address target = __ pc() + sizeof(Data); 34 while (__ pc() < target) { 35 __ nop(); 36 __ align(wordSize); 37 } 38 39 MethodHandleEntry* me = (MethodHandleEntry*) __ pc(); 40 me->set_end_address(__ pc()); // set a temporary end_address 41 me->set_from_interpreted_entry(interpreted_entry); 42 me->set_type_checking_entry(NULL); 43 44 return (address) me; 45 } 46 47 MethodHandleEntry* MethodHandleEntry::finish_compiled_entry(MacroAssembler* _masm, 48 address start_addr) { 49 MethodHandleEntry* me = (MethodHandleEntry*) start_addr; 50 assert(me->end_address() == start_addr, "valid ME"); 51 52 // Fill in the real end_address: 53 __ align(wordSize); 54 me->set_end_address(__ pc()); 55 56 return me; 57 } 58 59 60 // Code generation 61 address MethodHandles::generate_method_handle_interpreter_entry(MacroAssembler* _masm) { 62 ShouldNotReachHere(); //NYI, 6815692 63 return NULL; 64 } 65 66 // Generate an "entry" field for a method handle. 67 // This determines how the method handle will respond to calls. 68 void MethodHandles::generate_method_handle_stub(MacroAssembler* _masm, MethodHandles::EntryKind ek) { 69 ShouldNotReachHere(); //NYI, 6815692 70 }