1 /* 2 * Copyright (c) 1997, 2010, 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 #ifndef CPU_ZERO_VM_ASSEMBLER_ZERO_HPP 27 #define CPU_ZERO_VM_ASSEMBLER_ZERO_HPP 28 29 // In normal, CPU-specific ports of HotSpot these two classes are used 30 // for generating assembly language. We don't do any of this in zero, 31 // of course, but we do sneak entry points around in CodeBuffers so we 32 // generate those here. 33 34 class Assembler : public AbstractAssembler { 35 public: Assembler(CodeBuffer * code)36 Assembler(CodeBuffer* code) : AbstractAssembler(code) {} 37 38 public: 39 void pd_patch_instruction(address branch, address target); 40 }; 41 42 class MacroAssembler : public Assembler { 43 public: MacroAssembler(CodeBuffer * code)44 MacroAssembler(CodeBuffer* code) : Assembler(code) {} 45 46 public: 47 void align(int modulus); 48 void bang_stack_with_offset(int offset); 49 bool needs_explicit_null_check(intptr_t offset); 50 RegisterOrConstant delayed_value_impl(intptr_t* delayed_value_addr, 51 Register tmp, int offset); 52 public: 53 void advance(int bytes); 54 void store_oop(jobject obj); 55 void store_Metadata(Metadata* obj); 56 }; 57 58 address ShouldNotCallThisStub(); 59 address ShouldNotCallThisEntry(); 60 61 #endif // CPU_ZERO_VM_ASSEMBLER_ZERO_HPP 62