ciUtilities.hpp revision 5776:de6a9e811145
1129204Scognet/* 2 * Copyright (c) 1999, 2013, 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 SHARE_VM_CI_CIUTILITIES_HPP 26#define SHARE_VM_CI_CIUTILITIES_HPP 27 28#include "ci/ciEnv.hpp" 29#include "runtime/interfaceSupport.hpp" 30 31// The following routines and definitions are used internally in the 32// compiler interface. 33 34 35// Add a ci native entry wrapper? 36 37// Bring the compilation thread into the VM state. 38#define VM_ENTRY_MARK \ 39 CompilerThread* thread=CompilerThread::current(); \ 40 ThreadInVMfromNative __tiv(thread); \ 41 ResetNoHandleMark rnhm; \ 42 HandleMarkCleaner __hm(thread); \ 43 Thread* THREAD = thread; \ 44 debug_only(VMNativeEntryWrapper __vew;) 45 46 47 48// Bring the compilation thread into the VM state. No handle mark. 49#define VM_QUICK_ENTRY_MARK \ 50 CompilerThread* thread=CompilerThread::current(); \ 51 ThreadInVMfromNative __tiv(thread); \ 52/* \ 53 * [TODO] The NoHandleMark line does nothing but declare a function prototype \ 54 * The NoHandkeMark constructor is NOT executed. If the ()'s are \ 55 * removed, causes the NoHandleMark assert to trigger. \ 56 * debug_only(NoHandleMark __hm();) \ 57 */ \ 58 Thread* THREAD = thread; \ 59 debug_only(VMNativeEntryWrapper __vew;) 60 61 62#define EXCEPTION_CONTEXT \ 63 CompilerThread* thread=CompilerThread::current(); \ 64 Thread* THREAD = thread; 65 66 67#define CURRENT_ENV \ 68 ciEnv::current() 69 70// where current thread is THREAD 71#define CURRENT_THREAD_ENV \ 72 ciEnv::current(thread) 73 74#define IS_IN_VM \ 75 ciEnv::is_in_vm() 76 77#define ASSERT_IN_VM \ 78 assert(IS_IN_VM, "must be in vm state"); 79 80#define GUARDED_VM_ENTRY(action) \ 81 {if (IS_IN_VM) { action } else { VM_ENTRY_MARK; { action }}} 82 83#define GUARDED_VM_QUICK_ENTRY(action) \ 84 {if (IS_IN_VM) { action } else { VM_QUICK_ENTRY_MARK; { action }}} 85 86// Redefine this later. 87#define KILL_COMPILE_ON_FATAL_(result) \ 88 THREAD); \ 89 if (HAS_PENDING_EXCEPTION) { \ 90 if (PENDING_EXCEPTION->klass() == \ 91 SystemDictionary::ThreadDeath_klass()) { \ 92 /* Kill the compilation. */ \ 93 fatal("unhandled ci exception"); \ 94 return (result); \ 95 } \ 96 CLEAR_PENDING_EXCEPTION; \ 97 return (result); \ 98 } \ 99 (void)(0 100 101#define KILL_COMPILE_ON_ANY \ 102 THREAD); \ 103 if (HAS_PENDING_EXCEPTION) { \ 104 fatal("unhandled ci exception"); \ 105 CLEAR_PENDING_EXCEPTION; \ 106 } \ 107(void)(0 108 109 110inline const char* bool_to_str(bool b) { 111 return ((b) ? "true" : "false"); 112} 113 114const char* basictype_to_str(BasicType t); 115const char basictype_to_char(BasicType t); 116 117#endif // SHARE_VM_CI_CIUTILITIES_HPP 118