1 /* 2 * Copyright (c) 1997, 2008, 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/_nativeInst_x86.cpp.incl" 27 28 void NativeInstruction::wrote(int offset) { 29 ICache::invalidate_word(addr_at(offset)); 30 } 31 32 33 void NativeCall::verify() { 34 // Make sure code pattern is actually a call imm32 instruction. 35 int inst = ubyte_at(0); 36 if (inst != instruction_code) { 37 tty->print_cr("Addr: " INTPTR_FORMAT " Code: 0x%x", instruction_address(), 38 inst); 39 fatal("not a call disp32"); 40 } 41 } 42 43 address NativeCall::destination() const { 44 // Getting the destination of a call isn't safe because that call can 45 // be getting patched while you're calling this. There's only special 46 // places where this can be called but not automatically verifiable by | 1 /* 2 * Copyright (c) 1997, 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 "assembler_x86.inline.hpp" 27 #include "memory/resourceArea.hpp" 28 #include "nativeInst_x86.hpp" 29 #include "oops/oop.inline.hpp" 30 #include "runtime/handles.hpp" 31 #include "runtime/sharedRuntime.hpp" 32 #include "runtime/stubRoutines.hpp" 33 #include "utilities/ostream.hpp" 34 #ifdef COMPILER1 35 #include "c1/c1_Runtime1.hpp" 36 #endif 37 38 void NativeInstruction::wrote(int offset) { 39 ICache::invalidate_word(addr_at(offset)); 40 } 41 42 43 void NativeCall::verify() { 44 // Make sure code pattern is actually a call imm32 instruction. 45 int inst = ubyte_at(0); 46 if (inst != instruction_code) { 47 tty->print_cr("Addr: " INTPTR_FORMAT " Code: 0x%x", instruction_address(), 48 inst); 49 fatal("not a call disp32"); 50 } 51 } 52 53 address NativeCall::destination() const { 54 // Getting the destination of a call isn't safe because that call can 55 // be getting patched while you're calling this. There's only special 56 // places where this can be called but not automatically verifiable by |