1.1 --- /dev/null Thu Jan 01 00:00:00 1970 +0000 1.2 +++ b/src/share/vm/shark/sharkContext.hpp Wed Apr 27 01:25:04 2016 +0800 1.3 @@ -0,0 +1,190 @@ 1.4 +/* 1.5 + * Copyright (c) 1999, 2012, Oracle and/or its affiliates. All rights reserved. 1.6 + * Copyright 2009, 2010 Red Hat, Inc. 1.7 + * DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER. 1.8 + * 1.9 + * This code is free software; you can redistribute it and/or modify it 1.10 + * under the terms of the GNU General Public License version 2 only, as 1.11 + * published by the Free Software Foundation. 1.12 + * 1.13 + * This code is distributed in the hope that it will be useful, but WITHOUT 1.14 + * ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or 1.15 + * FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License 1.16 + * version 2 for more details (a copy is included in the LICENSE file that 1.17 + * accompanied this code). 1.18 + * 1.19 + * You should have received a copy of the GNU General Public License version 1.20 + * 2 along with this work; if not, write to the Free Software Foundation, 1.21 + * Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA. 1.22 + * 1.23 + * Please contact Oracle, 500 Oracle Parkway, Redwood Shores, CA 94065 USA 1.24 + * or visit www.oracle.com if you need additional information or have any 1.25 + * questions. 1.26 + * 1.27 + */ 1.28 + 1.29 +#ifndef SHARE_VM_SHARK_SHARKCONTEXT_HPP 1.30 +#define SHARE_VM_SHARK_SHARKCONTEXT_HPP 1.31 + 1.32 +#include "shark/llvmHeaders.hpp" 1.33 +#include "shark/sharkCompiler.hpp" 1.34 + 1.35 +// The LLVMContext class allows multiple instances of LLVM to operate 1.36 +// independently of each other in a multithreaded context. We extend 1.37 +// this here to store things in Shark that are LLVMContext-specific. 1.38 + 1.39 +class SharkFreeQueueItem; 1.40 + 1.41 +class SharkContext : public llvm::LLVMContext { 1.42 + public: 1.43 + SharkContext(const char* name); 1.44 + 1.45 + private: 1.46 + llvm::Module* _module; 1.47 + 1.48 + public: 1.49 + llvm::Module* module() const { 1.50 + return _module; 1.51 + } 1.52 + 1.53 + // Get this thread's SharkContext 1.54 + public: 1.55 + static SharkContext& current() { 1.56 + return *SharkCompiler::compiler()->context(); 1.57 + } 1.58 + 1.59 + // Module accessors 1.60 + public: 1.61 + void add_function(llvm::Function* function) const { 1.62 + module()->getFunctionList().push_back(function); 1.63 + } 1.64 + llvm::Constant* get_external(const char* name, 1.65 + llvm::FunctionType* sig) { 1.66 + return module()->getOrInsertFunction(name, sig); 1.67 + } 1.68 + 1.69 + // Basic types 1.70 + private: 1.71 + llvm::Type* _void_type; 1.72 + llvm::IntegerType* _bit_type; 1.73 + llvm::IntegerType* _jbyte_type; 1.74 + llvm::IntegerType* _jshort_type; 1.75 + llvm::IntegerType* _jint_type; 1.76 + llvm::IntegerType* _jlong_type; 1.77 + llvm::Type* _jfloat_type; 1.78 + llvm::Type* _jdouble_type; 1.79 + 1.80 + public: 1.81 + llvm::Type* void_type() const { 1.82 + return _void_type; 1.83 + } 1.84 + llvm::IntegerType* bit_type() const { 1.85 + return _bit_type; 1.86 + } 1.87 + llvm::IntegerType* jbyte_type() const { 1.88 + return _jbyte_type; 1.89 + } 1.90 + llvm::IntegerType* jshort_type() const { 1.91 + return _jshort_type; 1.92 + } 1.93 + llvm::IntegerType* jint_type() const { 1.94 + return _jint_type; 1.95 + } 1.96 + llvm::IntegerType* jlong_type() const { 1.97 + return _jlong_type; 1.98 + } 1.99 + llvm::Type* jfloat_type() const { 1.100 + return _jfloat_type; 1.101 + } 1.102 + llvm::Type* jdouble_type() const { 1.103 + return _jdouble_type; 1.104 + } 1.105 + llvm::IntegerType* intptr_type() const { 1.106 + return LP64_ONLY(jlong_type()) NOT_LP64(jint_type()); 1.107 + } 1.108 + 1.109 + // Compound types 1.110 + private: 1.111 + llvm::PointerType* _itableOffsetEntry_type; 1.112 + llvm::PointerType* _jniEnv_type; 1.113 + llvm::PointerType* _jniHandleBlock_type; 1.114 + llvm::PointerType* _Metadata_type; 1.115 + llvm::PointerType* _klass_type; 1.116 + llvm::PointerType* _Method_type; 1.117 + llvm::ArrayType* _monitor_type; 1.118 + llvm::PointerType* _oop_type; 1.119 + llvm::PointerType* _thread_type; 1.120 + llvm::PointerType* _zeroStack_type; 1.121 + llvm::FunctionType* _entry_point_type; 1.122 + llvm::FunctionType* _osr_entry_point_type; 1.123 + 1.124 + public: 1.125 + llvm::PointerType* itableOffsetEntry_type() const { 1.126 + return _itableOffsetEntry_type; 1.127 + } 1.128 + llvm::PointerType* jniEnv_type() const { 1.129 + return _jniEnv_type; 1.130 + } 1.131 + llvm::PointerType* jniHandleBlock_type() const { 1.132 + return _jniHandleBlock_type; 1.133 + } 1.134 + llvm::PointerType* Metadata_type() const { 1.135 + return _Metadata_type; 1.136 + } 1.137 + llvm::PointerType* klass_type() const { 1.138 + return _klass_type; 1.139 + } 1.140 + llvm::PointerType* Method_type() const { 1.141 + return _Method_type; 1.142 + } 1.143 + llvm::ArrayType* monitor_type() const { 1.144 + return _monitor_type; 1.145 + } 1.146 + llvm::PointerType* oop_type() const { 1.147 + return _oop_type; 1.148 + } 1.149 + llvm::PointerType* thread_type() const { 1.150 + return _thread_type; 1.151 + } 1.152 + llvm::PointerType* zeroStack_type() const { 1.153 + return _zeroStack_type; 1.154 + } 1.155 + llvm::FunctionType* entry_point_type() const { 1.156 + return _entry_point_type; 1.157 + } 1.158 + llvm::FunctionType* osr_entry_point_type() const { 1.159 + return _osr_entry_point_type; 1.160 + } 1.161 + 1.162 + // Mappings 1.163 + private: 1.164 + llvm::Type* _to_stackType[T_CONFLICT]; 1.165 + llvm::Type* _to_arrayType[T_CONFLICT]; 1.166 + 1.167 + private: 1.168 + llvm::Type* map_type(llvm::Type* const* table, 1.169 + BasicType type) const { 1.170 + assert(type >= 0 && type < T_CONFLICT, "unhandled type"); 1.171 + llvm::Type* result = table[type]; 1.172 + assert(result != NULL, "unhandled type"); 1.173 + return result; 1.174 + } 1.175 + 1.176 + public: 1.177 + llvm::Type* to_stackType(BasicType type) const { 1.178 + return map_type(_to_stackType, type); 1.179 + } 1.180 + llvm::Type* to_arrayType(BasicType type) const { 1.181 + return map_type(_to_arrayType, type); 1.182 + } 1.183 + 1.184 + // Functions queued for freeing 1.185 + private: 1.186 + SharkFreeQueueItem* _free_queue; 1.187 + 1.188 + public: 1.189 + void push_to_free_queue(llvm::Function* function); 1.190 + llvm::Function* pop_from_free_queue(); 1.191 +}; 1.192 + 1.193 +#endif // SHARE_VM_SHARK_SHARKCONTEXT_HPP