| /* |
| * Copyright (c) 1999, 2012, Oracle and/or its affiliates. All rights reserved. |
| * Copyright 2009, 2010 Red Hat, Inc. |
| * DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER. |
| * |
| * This code is free software; you can redistribute it and/or modify it |
| * under the terms of the GNU General Public License version 2 only, as |
| * published by the Free Software Foundation. |
| * |
| * This code is distributed in the hope that it will be useful, but WITHOUT |
| * ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or |
| * FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License |
| * version 2 for more details (a copy is included in the LICENSE file that |
| * accompanied this code). |
| * |
| * You should have received a copy of the GNU General Public License version |
| * 2 along with this work; if not, write to the Free Software Foundation, |
| * Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA. |
| * |
| * Please contact Oracle, 500 Oracle Parkway, Redwood Shores, CA 94065 USA |
| * or visit www.oracle.com if you need additional information or have any |
| * questions. |
| * |
| */ |
| |
| #ifndef SHARE_VM_SHARK_SHARKCONTEXT_HPP |
| #define SHARE_VM_SHARK_SHARKCONTEXT_HPP |
| |
| #include "shark/llvmHeaders.hpp" |
| #include "shark/sharkCompiler.hpp" |
| |
| // The LLVMContext class allows multiple instances of LLVM to operate |
| // independently of each other in a multithreaded context. We extend |
| // this here to store things in Shark that are LLVMContext-specific. |
| |
| class SharkFreeQueueItem; |
| |
| class SharkContext : public llvm::LLVMContext { |
| public: |
| SharkContext(const char* name); |
| |
| private: |
| llvm::Module* _module; |
| |
| public: |
| llvm::Module* module() const { |
| return _module; |
| } |
| |
| // Get this thread's SharkContext |
| public: |
| static SharkContext& current() { |
| return *SharkCompiler::compiler()->context(); |
| } |
| |
| // Module accessors |
| public: |
| void add_function(llvm::Function* function) const { |
| module()->getFunctionList().push_back(function); |
| } |
| llvm::Constant* get_external(const char* name, |
| llvm::FunctionType* sig) { |
| return module()->getOrInsertFunction(name, sig); |
| } |
| |
| // Basic types |
| private: |
| llvm::Type* _void_type; |
| llvm::IntegerType* _bit_type; |
| llvm::IntegerType* _jbyte_type; |
| llvm::IntegerType* _jshort_type; |
| llvm::IntegerType* _jint_type; |
| llvm::IntegerType* _jlong_type; |
| llvm::Type* _jfloat_type; |
| llvm::Type* _jdouble_type; |
| |
| public: |
| llvm::Type* void_type() const { |
| return _void_type; |
| } |
| llvm::IntegerType* bit_type() const { |
| return _bit_type; |
| } |
| llvm::IntegerType* jbyte_type() const { |
| return _jbyte_type; |
| } |
| llvm::IntegerType* jshort_type() const { |
| return _jshort_type; |
| } |
| llvm::IntegerType* jint_type() const { |
| return _jint_type; |
| } |
| llvm::IntegerType* jlong_type() const { |
| return _jlong_type; |
| } |
| llvm::Type* jfloat_type() const { |
| return _jfloat_type; |
| } |
| llvm::Type* jdouble_type() const { |
| return _jdouble_type; |
| } |
| llvm::IntegerType* intptr_type() const { |
| return LP64_ONLY(jlong_type()) NOT_LP64(jint_type()); |
| } |
| |
| // Compound types |
| private: |
| llvm::PointerType* _itableOffsetEntry_type; |
| llvm::PointerType* _jniEnv_type; |
| llvm::PointerType* _jniHandleBlock_type; |
| llvm::PointerType* _Metadata_type; |
| llvm::PointerType* _klass_type; |
| llvm::PointerType* _Method_type; |
| llvm::ArrayType* _monitor_type; |
| llvm::PointerType* _oop_type; |
| llvm::PointerType* _thread_type; |
| llvm::PointerType* _zeroStack_type; |
| llvm::FunctionType* _entry_point_type; |
| llvm::FunctionType* _osr_entry_point_type; |
| |
| public: |
| llvm::PointerType* itableOffsetEntry_type() const { |
| return _itableOffsetEntry_type; |
| } |
| llvm::PointerType* jniEnv_type() const { |
| return _jniEnv_type; |
| } |
| llvm::PointerType* jniHandleBlock_type() const { |
| return _jniHandleBlock_type; |
| } |
| llvm::PointerType* Metadata_type() const { |
| return _Metadata_type; |
| } |
| llvm::PointerType* klass_type() const { |
| return _klass_type; |
| } |
| llvm::PointerType* Method_type() const { |
| return _Method_type; |
| } |
| llvm::ArrayType* monitor_type() const { |
| return _monitor_type; |
| } |
| llvm::PointerType* oop_type() const { |
| return _oop_type; |
| } |
| llvm::PointerType* thread_type() const { |
| return _thread_type; |
| } |
| llvm::PointerType* zeroStack_type() const { |
| return _zeroStack_type; |
| } |
| llvm::FunctionType* entry_point_type() const { |
| return _entry_point_type; |
| } |
| llvm::FunctionType* osr_entry_point_type() const { |
| return _osr_entry_point_type; |
| } |
| |
| // Mappings |
| private: |
| llvm::Type* _to_stackType[T_CONFLICT]; |
| llvm::Type* _to_arrayType[T_CONFLICT]; |
| |
| private: |
| llvm::Type* map_type(llvm::Type* const* table, |
| BasicType type) const { |
| assert(type >= 0 && type < T_CONFLICT, "unhandled type"); |
| llvm::Type* result = table[type]; |
| assert(result != NULL, "unhandled type"); |
| return result; |
| } |
| |
| public: |
| llvm::Type* to_stackType(BasicType type) const { |
| return map_type(_to_stackType, type); |
| } |
| llvm::Type* to_arrayType(BasicType type) const { |
| return map_type(_to_arrayType, type); |
| } |
| |
| // Functions queued for freeing |
| private: |
| SharkFreeQueueItem* _free_queue; |
| |
| public: |
| void push_to_free_queue(llvm::Function* function); |
| llvm::Function* pop_from_free_queue(); |
| }; |
| |
| #endif // SHARE_VM_SHARK_SHARKCONTEXT_HPP |