1 /* 2 * Copyright (c) 1999, 2010, 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 #include "precompiled.hpp" 26 #include "ci/ciUtilities.hpp" 27 #include "gc/shared/cardTableModRefBS.hpp" 28 #include "gc/shared/cardTable.hpp" 29 #include "memory/universe.hpp" 30 31 // ciUtilities 32 // 33 // Miscellaneous internal compiler interface routines. 34 35 // ------------------------------------------------------------------ 36 // basictype_to_str 37 const char* basictype_to_str(BasicType t) { 38 const char* str = type2name(t); 39 if (str == NULL) return "illegal"; 40 return str; 41 } 42 43 // ------------------------------------------------------------------ 44 // basictype_to_char 45 const char basictype_to_char(BasicType t) { 46 char c = type2char(t); 47 return c ? c : 'X'; 48 } 49 50 // ------------------------------------------------------------------ 51 // card_table_base 52 jbyte *ci_card_table_address() { 53 BarrierSet* bs = Universe::heap()->barrier_set(); 54 CardTableModRefBS* ctbs = barrier_set_cast<CardTableModRefBS>(bs); 55 CardTable* ct = ctbs->card_table(); 56 assert(sizeof(*ct->byte_map_base()) == sizeof(jbyte), "adjust users of this code"); 57 return ct->byte_map_base(); 58 }