1 /* 2 * Copyright (c) 1997, 2019, Oracle and/or its affiliates. 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 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 #ifndef CPU_SPARC_DISASSEMBLER_SPARC_HPP 26 #define CPU_SPARC_DISASSEMBLER_SPARC_HPP 27 28 static int pd_instruction_alignment() { 29 return sizeof(int); 30 } 31 32 static const char* pd_cpu_opts() { 33 return "v9only"; 34 } 35 36 // Returns address of n-th instruction preceding addr, 37 // NULL if no preceding instruction can be found. 38 // With SPARC being a RISC architecture, this always is BytesPerInstWord 39 // It might be beneficial to check "is_readable" as we do on ppc and s390. 40 static address find_prev_instr(address addr, int n_instr) { 41 return addr - BytesPerInstWord*n_instr; 42 } 43 44 // special-case instruction decoding. 45 // There may be cases where the binutils disassembler doesn't do 46 // the perfect job. In those cases, decode_instruction0 may kick in 47 // and do it right. 48 // If nothing had to be done, just return "here", otherwise return "here + instr_len(here)" 49 static address decode_instruction0(address here, outputStream* st, address virtual_begin = NULL) { 50 return here; 51 } 52 53 // platform-specific instruction annotations (like value of loaded constants) 54 static void annotate(address pc, outputStream* st) { }; 55 56 #endif // CPU_SPARC_DISASSEMBLER_SPARC_HPP