1.1 --- /dev/null Thu Jan 01 00:00:00 1970 +0000
1.2 +++ b/src/share/vm/shark/sharkContext.hpp Wed Aug 11 05:51:21 2010 -0700
1.3 @@ -0,0 +1,187 @@
1.4 +/*
1.5 + * Copyright (c) 1999, 2007, 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 +// The LLVMContext class allows multiple instances of LLVM to operate
1.30 +// independently of each other in a multithreaded context. We extend
1.31 +// this here to store things in Shark that are LLVMContext-specific.
1.32 +
1.33 +class SharkFreeQueueItem;
1.34 +
1.35 +class SharkContext : public llvm::LLVMContext {
1.36 + public:
1.37 + SharkContext(const char* name);
1.38 +
1.39 + private:
1.40 + llvm::Module* _module;
1.41 +
1.42 +#if SHARK_LLVM_VERSION >= 27
1.43 + public:
1.44 +#else
1.45 + private:
1.46 +#endif
1.47 + llvm::Module* module() const {
1.48 + return _module;
1.49 + }
1.50 +
1.51 + // Get this thread's SharkContext
1.52 + public:
1.53 + static SharkContext& current() {
1.54 + return *SharkCompiler::compiler()->context();
1.55 + }
1.56 +
1.57 + // Module accessors
1.58 + public:
1.59 +#if SHARK_LLVM_VERSION < 27
1.60 + llvm::ModuleProvider* module_provider() const {
1.61 + return new llvm::ExistingModuleProvider(module());
1.62 + }
1.63 +#endif
1.64 + void add_function(llvm::Function* function) const {
1.65 + module()->getFunctionList().push_back(function);
1.66 + }
1.67 + llvm::Constant* get_external(const char* name,
1.68 + const llvm::FunctionType* sig) {
1.69 + return module()->getOrInsertFunction(name, sig);
1.70 + }
1.71 +
1.72 + // Basic types
1.73 + private:
1.74 + const llvm::Type* _void_type;
1.75 + const llvm::IntegerType* _bit_type;
1.76 + const llvm::IntegerType* _jbyte_type;
1.77 + const llvm::IntegerType* _jshort_type;
1.78 + const llvm::IntegerType* _jint_type;
1.79 + const llvm::IntegerType* _jlong_type;
1.80 + const llvm::Type* _jfloat_type;
1.81 + const llvm::Type* _jdouble_type;
1.82 +
1.83 + public:
1.84 + const llvm::Type* void_type() const {
1.85 + return _void_type;
1.86 + }
1.87 + const llvm::IntegerType* bit_type() const {
1.88 + return _bit_type;
1.89 + }
1.90 + const llvm::IntegerType* jbyte_type() const {
1.91 + return _jbyte_type;
1.92 + }
1.93 + const llvm::IntegerType* jshort_type() const {
1.94 + return _jshort_type;
1.95 + }
1.96 + const llvm::IntegerType* jint_type() const {
1.97 + return _jint_type;
1.98 + }
1.99 + const llvm::IntegerType* jlong_type() const {
1.100 + return _jlong_type;
1.101 + }
1.102 + const llvm::Type* jfloat_type() const {
1.103 + return _jfloat_type;
1.104 + }
1.105 + const llvm::Type* jdouble_type() const {
1.106 + return _jdouble_type;
1.107 + }
1.108 + const llvm::IntegerType* intptr_type() const {
1.109 + return LP64_ONLY(jlong_type()) NOT_LP64(jint_type());
1.110 + }
1.111 +
1.112 + // Compound types
1.113 + private:
1.114 + const llvm::PointerType* _itableOffsetEntry_type;
1.115 + const llvm::PointerType* _jniEnv_type;
1.116 + const llvm::PointerType* _jniHandleBlock_type;
1.117 + const llvm::PointerType* _klass_type;
1.118 + const llvm::PointerType* _methodOop_type;
1.119 + const llvm::ArrayType* _monitor_type;
1.120 + const llvm::PointerType* _oop_type;
1.121 + const llvm::PointerType* _thread_type;
1.122 + const llvm::PointerType* _zeroStack_type;
1.123 + const llvm::FunctionType* _entry_point_type;
1.124 + const llvm::FunctionType* _osr_entry_point_type;
1.125 +
1.126 + public:
1.127 + const llvm::PointerType* itableOffsetEntry_type() const {
1.128 + return _itableOffsetEntry_type;
1.129 + }
1.130 + const llvm::PointerType* jniEnv_type() const {
1.131 + return _jniEnv_type;
1.132 + }
1.133 + const llvm::PointerType* jniHandleBlock_type() const {
1.134 + return _jniHandleBlock_type;
1.135 + }
1.136 + const llvm::PointerType* klass_type() const {
1.137 + return _klass_type;
1.138 + }
1.139 + const llvm::PointerType* methodOop_type() const {
1.140 + return _methodOop_type;
1.141 + }
1.142 + const llvm::ArrayType* monitor_type() const {
1.143 + return _monitor_type;
1.144 + }
1.145 + const llvm::PointerType* oop_type() const {
1.146 + return _oop_type;
1.147 + }
1.148 + const llvm::PointerType* thread_type() const {
1.149 + return _thread_type;
1.150 + }
1.151 + const llvm::PointerType* zeroStack_type() const {
1.152 + return _zeroStack_type;
1.153 + }
1.154 + const llvm::FunctionType* entry_point_type() const {
1.155 + return _entry_point_type;
1.156 + }
1.157 + const llvm::FunctionType* osr_entry_point_type() const {
1.158 + return _osr_entry_point_type;
1.159 + }
1.160 +
1.161 + // Mappings
1.162 + private:
1.163 + const llvm::Type* _to_stackType[T_CONFLICT];
1.164 + const llvm::Type* _to_arrayType[T_CONFLICT];
1.165 +
1.166 + private:
1.167 + const llvm::Type* map_type(const llvm::Type* const* table,
1.168 + BasicType type) const {
1.169 + assert(type >= 0 && type < T_CONFLICT, "unhandled type");
1.170 + const llvm::Type* result = table[type];
1.171 + assert(type != NULL, "unhandled type");
1.172 + return result;
1.173 + }
1.174 +
1.175 + public:
1.176 + const llvm::Type* to_stackType(BasicType type) const {
1.177 + return map_type(_to_stackType, type);
1.178 + }
1.179 + const llvm::Type* to_arrayType(BasicType type) const {
1.180 + return map_type(_to_arrayType, type);
1.181 + }
1.182 +
1.183 + // Functions queued for freeing
1.184 + private:
1.185 + SharkFreeQueueItem* _free_queue;
1.186 +
1.187 + public:
1.188 + void push_to_free_queue(llvm::Function* function);
1.189 + llvm::Function* pop_from_free_queue();
1.190 +};
