1 /* 2 * Copyright (c) 2003, 2018, Oracle and/or its affiliates. All rights reserved. 3 * Copyright 2007, 2008, 2009 Red Hat, Inc. 4 * DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER. 5 * 6 * This code is free software; you can redistribute it and/or modify it 7 * under the terms of the GNU General Public License version 2 only, as 8 * published by the Free Software Foundation. 9 * 10 * This code is distributed in the hope that it will be useful, but WITHOUT 11 * ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or 12 * FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License 13 * version 2 for more details (a copy is included in the LICENSE file that 14 * accompanied this code). 15 * 16 * You should have received a copy of the GNU General Public License version 17 * 2 along with this work; if not, write to the Free Software Foundation, 18 * Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA. 19 * 20 * Please contact Oracle, 500 Oracle Parkway, Redwood Shores, CA 94065 USA 21 * or visit www.oracle.com if you need additional information or have any 22 * questions. 23 * 24 */ 25 26 #include "precompiled.hpp" 27 #include "assembler_zero.inline.hpp" 28 #include "gc/shared/cardTableBarrierSet.hpp" 29 #include "gc/shared/collectedHeap.inline.hpp" 30 #include "interpreter/interpreter.hpp" 31 #include "memory/resourceArea.hpp" 32 #include "prims/methodHandles.hpp" 33 #include "runtime/biasedLocking.hpp" 34 #include "runtime/interfaceSupport.inline.hpp" 35 #include "runtime/objectMonitor.hpp" 36 #include "runtime/os.hpp" 37 #include "runtime/sharedRuntime.hpp" 38 #include "runtime/stubRoutines.hpp" 39 #include "utilities/macros.hpp" 40 41 int AbstractAssembler::code_fill_byte() { 42 return 0; 43 } 44 45 #ifdef ASSERT 46 bool AbstractAssembler::pd_check_instruction_mark() { 47 ShouldNotCallThis(); 48 return false; 49 } 50 #endif 51 52 void Assembler::pd_patch_instruction(address branch, address target) { 53 ShouldNotCallThis(); 54 } 55 56 void MacroAssembler::align(int modulus) { 57 while (offset() % modulus != 0) 58 emit_int8(AbstractAssembler::code_fill_byte()); 59 } 60 61 void MacroAssembler::bang_stack_with_offset(int offset) { 62 ShouldNotCallThis(); 63 } 64 65 void MacroAssembler::advance(int bytes) { 66 code_section()->set_end(code_section()->end() + bytes); 67 } 68 69 RegisterOrConstant MacroAssembler::delayed_value_impl( 70 intptr_t* delayed_value_addr, Register tmpl, int offset) { 71 ShouldNotCallThis(); 72 return RegisterOrConstant(); 73 } 74 75 void MacroAssembler::store_oop(jobject obj) { 76 code_section()->relocate(pc(), oop_Relocation::spec_for_immediate()); 77 emit_address((address) obj); 78 } 79 80 void MacroAssembler::store_Metadata(Metadata* md) { 81 code_section()->relocate(pc(), metadata_Relocation::spec_for_immediate()); 82 emit_address((address) md); 83 } 84 85 static void should_not_call() { 86 report_should_not_call(__FILE__, __LINE__); 87 } 88 89 address ShouldNotCallThisStub() { 90 return (address) should_not_call; 91 } 92 93 address ShouldNotCallThisEntry() { 94 return (address) should_not_call; 95 }