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 #if INCLUDE_ALL_GCS 41 #include "gc/g1/g1BarrierSet.hpp" 42 #include "gc/g1/heapRegion.hpp" 43 #endif // INCLUDE_ALL_GCS 44 45 int AbstractAssembler::code_fill_byte() { 46 return 0; 47 } 48 49 #ifdef ASSERT 50 bool AbstractAssembler::pd_check_instruction_mark() { 51 ShouldNotCallThis(); 52 return false; 53 } 54 #endif 55 56 void Assembler::pd_patch_instruction(address branch, address target) { 57 ShouldNotCallThis(); 58 } 59 60 void MacroAssembler::align(int modulus) { 61 while (offset() % modulus != 0) 62 emit_int8(AbstractAssembler::code_fill_byte()); 63 } 64 65 void MacroAssembler::bang_stack_with_offset(int offset) { 66 ShouldNotCallThis(); 67 } 68 69 void MacroAssembler::advance(int bytes) { 70 code_section()->set_end(code_section()->end() + bytes); 71 } 72 73 RegisterOrConstant MacroAssembler::delayed_value_impl( 74 intptr_t* delayed_value_addr, Register tmpl, int offset) { 75 ShouldNotCallThis(); 76 return RegisterOrConstant(); 77 } 78 79 void MacroAssembler::store_oop(jobject obj) { 80 code_section()->relocate(pc(), oop_Relocation::spec_for_immediate()); 81 emit_address((address) obj); 82 } 83 84 void MacroAssembler::store_Metadata(Metadata* md) { 85 code_section()->relocate(pc(), metadata_Relocation::spec_for_immediate()); 86 emit_address((address) md); 87 } 88 89 static void should_not_call() { 90 report_should_not_call(__FILE__, __LINE__); 91 } 92 93 address ShouldNotCallThisStub() { 94 return (address) should_not_call; 95 } 96 97 address ShouldNotCallThisEntry() { 98 return (address) should_not_call; 99 }