1 /* 2 * Copyright (c) 2001, 2005, 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 "incls/_precompiled.incl" 26 # include "incls/_stackValueCollection.cpp.incl" 27 28 jint StackValueCollection::int_at(int slot) const { 29 intptr_t val = at(slot)->get_int(); 30 jint ival = *((jint*) (&val)); 31 return ival; 32 } 33 34 jlong StackValueCollection::long_at(int slot) const { 35 #ifdef _LP64 36 return at(slot+1)->get_int(); 37 #else 38 union { 39 jlong jl; 40 jint array[2]; 41 } value; 42 // Interpreter stack is reversed in memory: 43 // low memory location is in higher java local slot. 44 value.array[0] = at(slot+1)->get_int(); 45 value.array[1] = at(slot )->get_int(); 46 return value.jl; | 1 /* 2 * Copyright (c) 2001, 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 "runtime/stackValueCollection.hpp" 27 #ifdef TARGET_ARCH_x86 28 # include "jniTypes_x86.hpp" 29 #endif 30 #ifdef TARGET_ARCH_sparc 31 # include "jniTypes_sparc.hpp" 32 #endif 33 #ifdef TARGET_ARCH_zero 34 # include "jniTypes_zero.hpp" 35 #endif 36 37 jint StackValueCollection::int_at(int slot) const { 38 intptr_t val = at(slot)->get_int(); 39 jint ival = *((jint*) (&val)); 40 return ival; 41 } 42 43 jlong StackValueCollection::long_at(int slot) const { 44 #ifdef _LP64 45 return at(slot+1)->get_int(); 46 #else 47 union { 48 jlong jl; 49 jint array[2]; 50 } value; 51 // Interpreter stack is reversed in memory: 52 // low memory location is in higher java local slot. 53 value.array[0] = at(slot+1)->get_int(); 54 value.array[1] = at(slot )->get_int(); 55 return value.jl; |