twisti@2047: /*
coleenp@4037:  * Copyright (c) 1999, 2012, Oracle and/or its affiliates. All rights reserved.
twisti@2047:  * Copyright 2009, 2010 Red Hat, Inc.
twisti@2047:  * DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER.
twisti@2047:  *
twisti@2047:  * This code is free software; you can redistribute it and/or modify it
twisti@2047:  * under the terms of the GNU General Public License version 2 only, as
twisti@2047:  * published by the Free Software Foundation.
twisti@2047:  *
twisti@2047:  * This code is distributed in the hope that it will be useful, but WITHOUT
twisti@2047:  * ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or
twisti@2047:  * FITNESS FOR A PARTICULAR PURPOSE.  See the GNU General Public License
twisti@2047:  * version 2 for more details (a copy is included in the LICENSE file that
twisti@2047:  * accompanied this code).
twisti@2047:  *
twisti@2047:  * You should have received a copy of the GNU General Public License version
twisti@2047:  * 2 along with this work; if not, write to the Free Software Foundation,
twisti@2047:  * Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA.
twisti@2047:  *
twisti@2047:  * Please contact Oracle, 500 Oracle Parkway, Redwood Shores, CA 94065 USA
twisti@2047:  * or visit www.oracle.com if you need additional information or have any
twisti@2047:  * questions.
twisti@2047:  *
twisti@2047:  */
twisti@2047: 
stefank@2314: #ifndef SHARE_VM_SHARK_SHARKCONTEXT_HPP
stefank@2314: #define SHARE_VM_SHARK_SHARKCONTEXT_HPP
stefank@2314: 
stefank@2314: #include "shark/llvmHeaders.hpp"
stefank@2314: #include "shark/sharkCompiler.hpp"
stefank@2314: 
twisti@2047: // The LLVMContext class allows multiple instances of LLVM to operate
twisti@2047: // independently of each other in a multithreaded context.  We extend
twisti@2047: // this here to store things in Shark that are LLVMContext-specific.
twisti@2047: 
twisti@2047: class SharkFreeQueueItem;
twisti@2047: 
twisti@2047: class SharkContext : public llvm::LLVMContext {
twisti@2047:  public:
twisti@2047:   SharkContext(const char* name);
twisti@2047: 
twisti@2047:  private:
twisti@2047:   llvm::Module* _module;
twisti@2047: 
twisti@2047:  public:
twisti@2047:   llvm::Module* module() const {
twisti@2047:     return _module;
twisti@2047:   }
twisti@2047: 
twisti@2047:   // Get this thread's SharkContext
twisti@2047:  public:
twisti@2047:   static SharkContext& current() {
twisti@2047:     return *SharkCompiler::compiler()->context();
twisti@2047:   }
twisti@2047: 
twisti@2047:   // Module accessors
twisti@2047:  public:
twisti@2047:   void add_function(llvm::Function* function) const {
twisti@2047:     module()->getFunctionList().push_back(function);
twisti@2047:   }
twisti@2047:   llvm::Constant* get_external(const char*               name,
twisti@4314:                                llvm::FunctionType* sig) {
twisti@2047:     return module()->getOrInsertFunction(name, sig);
twisti@2047:   }
twisti@2047: 
twisti@2047:   // Basic types
twisti@2047:  private:
twisti@4314:   llvm::Type*        _void_type;
twisti@4314:   llvm::IntegerType* _bit_type;
twisti@4314:   llvm::IntegerType* _jbyte_type;
twisti@4314:   llvm::IntegerType* _jshort_type;
twisti@4314:   llvm::IntegerType* _jint_type;
twisti@4314:   llvm::IntegerType* _jlong_type;
twisti@4314:   llvm::Type*        _jfloat_type;
twisti@4314:   llvm::Type*        _jdouble_type;
twisti@2047: 
twisti@2047:  public:
twisti@4314:   llvm::Type* void_type() const {
twisti@2047:     return _void_type;
twisti@2047:   }
twisti@4314:   llvm::IntegerType* bit_type() const {
twisti@2047:     return _bit_type;
twisti@2047:   }
twisti@4314:   llvm::IntegerType* jbyte_type() const {
twisti@2047:     return _jbyte_type;
twisti@2047:   }
twisti@4314:   llvm::IntegerType* jshort_type() const {
twisti@2047:     return _jshort_type;
twisti@2047:   }
twisti@4314:   llvm::IntegerType* jint_type() const {
twisti@2047:     return _jint_type;
twisti@2047:   }
twisti@4314:   llvm::IntegerType* jlong_type() const {
twisti@2047:     return _jlong_type;
twisti@2047:   }
twisti@4314:   llvm::Type* jfloat_type() const {
twisti@2047:     return _jfloat_type;
twisti@2047:   }
twisti@4314:   llvm::Type* jdouble_type() const {
twisti@2047:     return _jdouble_type;
twisti@2047:   }
twisti@4314:   llvm::IntegerType* intptr_type() const {
twisti@2047:     return LP64_ONLY(jlong_type()) NOT_LP64(jint_type());
twisti@2047:   }
twisti@2047: 
twisti@2047:   // Compound types
twisti@2047:  private:
twisti@4314:   llvm::PointerType*  _itableOffsetEntry_type;
twisti@4314:   llvm::PointerType*  _jniEnv_type;
twisti@4314:   llvm::PointerType*  _jniHandleBlock_type;
twisti@4314:   llvm::PointerType*  _Metadata_type;
twisti@4314:   llvm::PointerType*  _klass_type;
twisti@4314:   llvm::PointerType*  _Method_type;
twisti@4314:   llvm::ArrayType*    _monitor_type;
twisti@4314:   llvm::PointerType*  _oop_type;
twisti@4314:   llvm::PointerType*  _thread_type;
twisti@4314:   llvm::PointerType*  _zeroStack_type;
twisti@4314:   llvm::FunctionType* _entry_point_type;
twisti@4314:   llvm::FunctionType* _osr_entry_point_type;
twisti@2047: 
twisti@2047:  public:
twisti@4314:   llvm::PointerType* itableOffsetEntry_type() const {
twisti@2047:     return _itableOffsetEntry_type;
twisti@2047:   }
twisti@4314:   llvm::PointerType* jniEnv_type() const {
twisti@2047:     return _jniEnv_type;
twisti@2047:   }
twisti@4314:   llvm::PointerType* jniHandleBlock_type() const {
twisti@2047:     return _jniHandleBlock_type;
twisti@2047:   }
twisti@4314:   llvm::PointerType* Metadata_type() const {
twisti@4314:     return _Metadata_type;
twisti@4314:   }
twisti@4314:   llvm::PointerType* klass_type() const {
twisti@2047:     return _klass_type;
twisti@2047:   }
twisti@4314:   llvm::PointerType* Method_type() const {
twisti@4314:     return _Method_type;
twisti@2047:   }
twisti@4314:   llvm::ArrayType* monitor_type() const {
twisti@2047:     return _monitor_type;
twisti@2047:   }
twisti@4314:   llvm::PointerType* oop_type() const {
twisti@2047:     return _oop_type;
twisti@2047:   }
twisti@4314:   llvm::PointerType* thread_type() const {
twisti@2047:     return _thread_type;
twisti@2047:   }
twisti@4314:   llvm::PointerType* zeroStack_type() const {
twisti@2047:     return _zeroStack_type;
twisti@2047:   }
twisti@4314:   llvm::FunctionType* entry_point_type() const {
twisti@2047:     return _entry_point_type;
twisti@2047:   }
twisti@4314:   llvm::FunctionType* osr_entry_point_type() const {
twisti@2047:     return _osr_entry_point_type;
twisti@2047:   }
twisti@2047: 
twisti@2047:   // Mappings
twisti@2047:  private:
twisti@4314:   llvm::Type* _to_stackType[T_CONFLICT];
twisti@4314:   llvm::Type* _to_arrayType[T_CONFLICT];
twisti@2047: 
twisti@2047:  private:
twisti@4314:   llvm::Type* map_type(llvm::Type* const* table,
twisti@2047:                              BasicType                type) const {
twisti@2047:     assert(type >= 0 && type < T_CONFLICT, "unhandled type");
twisti@4314:     llvm::Type* result = table[type];
twisti@3045:     assert(result != NULL, "unhandled type");
twisti@2047:     return result;
twisti@2047:   }
twisti@2047: 
twisti@2047:  public:
twisti@4314:   llvm::Type* to_stackType(BasicType type) const {
twisti@2047:     return map_type(_to_stackType, type);
twisti@2047:   }
twisti@4314:   llvm::Type* to_arrayType(BasicType type) const {
twisti@2047:     return map_type(_to_arrayType, type);
twisti@2047:   }
twisti@2047: 
twisti@2047:   // Functions queued for freeing
twisti@2047:  private:
twisti@2047:   SharkFreeQueueItem* _free_queue;
twisti@2047: 
twisti@2047:  public:
twisti@2047:   void push_to_free_queue(llvm::Function* function);
twisti@2047:   llvm::Function* pop_from_free_queue();
twisti@2047: };
stefank@2314: 
stefank@2314: #endif // SHARE_VM_SHARK_SHARKCONTEXT_HPP