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 #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 // Redefine this later. 84 #define KILL_COMPILE_ON_FATAL_(result) \ 85 THREAD); \ 86 if (HAS_PENDING_EXCEPTION) { \ 87 if (PENDING_EXCEPTION->klass() == \ 88 SystemDictionary::ThreadDeath_klass()) { \ 89 /* Kill the compilation. */ \ 90 fatal("unhandled ci exception"); \ 91 return (result); \ 92 } \ 93 CLEAR_PENDING_EXCEPTION; \ 94 return (result); \ 95 } \ 96 (0 97 98 #define KILL_COMPILE_ON_ANY \ 99 THREAD); \ 100 if (HAS_PENDING_EXCEPTION) { \ 101 fatal("unhandled ci exception"); \ 102 CLEAR_PENDING_EXCEPTION; \ 103 } \ 104 (0 105 106 107 inline const char* bool_to_str(bool b) { 108 return ((b) ? "true" : "false"); 109 } 110 111 const char* basictype_to_str(BasicType t); 112 const char basictype_to_char(BasicType t); 113 114 #endif // SHARE_VM_CI_CIUTILITIES_HPP