| /* |
| * 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. |
| * |
| */ |
| |
| #include "precompiled.hpp" |
| #include "oops/arrayOop.hpp" |
| #include "oops/oop.hpp" |
| #include "shark/llvmHeaders.hpp" |
| #include "shark/sharkContext.hpp" |
| #include "utilities/globalDefinitions.hpp" |
| #include "memory/allocation.hpp" |
| |
| using namespace llvm; |
| |
| SharkContext::SharkContext(const char* name) |
| : LLVMContext(), |
| _free_queue(NULL) { |
| // Create a module to build our functions into |
| _module = new Module(name, *this); |
| |
| // Create basic types |
| _void_type = Type::getVoidTy(*this); |
| _bit_type = Type::getInt1Ty(*this); |
| _jbyte_type = Type::getInt8Ty(*this); |
| _jshort_type = Type::getInt16Ty(*this); |
| _jint_type = Type::getInt32Ty(*this); |
| _jlong_type = Type::getInt64Ty(*this); |
| _jfloat_type = Type::getFloatTy(*this); |
| _jdouble_type = Type::getDoubleTy(*this); |
| |
| // Create compound types |
| _itableOffsetEntry_type = PointerType::getUnqual( |
| ArrayType::get(jbyte_type(), itableOffsetEntry::size() * wordSize)); |
| |
| _Metadata_type = PointerType::getUnqual( |
| ArrayType::get(jbyte_type(), sizeof(Metadata))); |
| |
| _klass_type = PointerType::getUnqual( |
| ArrayType::get(jbyte_type(), sizeof(Klass))); |
| |
| _jniEnv_type = PointerType::getUnqual( |
| ArrayType::get(jbyte_type(), sizeof(JNIEnv))); |
| |
| _jniHandleBlock_type = PointerType::getUnqual( |
| ArrayType::get(jbyte_type(), sizeof(JNIHandleBlock))); |
| |
| _Method_type = PointerType::getUnqual( |
| ArrayType::get(jbyte_type(), sizeof(Method))); |
| |
| _monitor_type = ArrayType::get( |
| jbyte_type(), frame::interpreter_frame_monitor_size() * wordSize); |
| |
| _oop_type = PointerType::getUnqual( |
| ArrayType::get(jbyte_type(), sizeof(oopDesc))); |
| |
| _thread_type = PointerType::getUnqual( |
| ArrayType::get(jbyte_type(), sizeof(JavaThread))); |
| |
| _zeroStack_type = PointerType::getUnqual( |
| ArrayType::get(jbyte_type(), sizeof(ZeroStack))); |
| |
| std::vector<Type*> params; |
| params.push_back(Method_type()); |
| params.push_back(intptr_type()); |
| params.push_back(thread_type()); |
| _entry_point_type = FunctionType::get(jint_type(), params, false); |
| |
| params.clear(); |
| params.push_back(Method_type()); |
| params.push_back(PointerType::getUnqual(jbyte_type())); |
| params.push_back(intptr_type()); |
| params.push_back(thread_type()); |
| _osr_entry_point_type = FunctionType::get(jint_type(), params, false); |
| |
| // Create mappings |
| for (int i = 0; i < T_CONFLICT; i++) { |
| switch (i) { |
| case T_BOOLEAN: |
| _to_stackType[i] = jint_type(); |
| _to_arrayType[i] = jbyte_type(); |
| break; |
| |
| case T_BYTE: |
| _to_stackType[i] = jint_type(); |
| _to_arrayType[i] = jbyte_type(); |
| break; |
| |
| case T_CHAR: |
| _to_stackType[i] = jint_type(); |
| _to_arrayType[i] = jshort_type(); |
| break; |
| |
| case T_SHORT: |
| _to_stackType[i] = jint_type(); |
| _to_arrayType[i] = jshort_type(); |
| break; |
| |
| case T_INT: |
| _to_stackType[i] = jint_type(); |
| _to_arrayType[i] = jint_type(); |
| break; |
| |
| case T_LONG: |
| _to_stackType[i] = jlong_type(); |
| _to_arrayType[i] = jlong_type(); |
| break; |
| |
| case T_FLOAT: |
| _to_stackType[i] = jfloat_type(); |
| _to_arrayType[i] = jfloat_type(); |
| break; |
| |
| case T_DOUBLE: |
| _to_stackType[i] = jdouble_type(); |
| _to_arrayType[i] = jdouble_type(); |
| break; |
| |
| case T_OBJECT: |
| case T_ARRAY: |
| _to_stackType[i] = oop_type(); |
| _to_arrayType[i] = oop_type(); |
| break; |
| |
| case T_ADDRESS: |
| _to_stackType[i] = intptr_type(); |
| _to_arrayType[i] = NULL; |
| break; |
| |
| default: |
| _to_stackType[i] = NULL; |
| _to_arrayType[i] = NULL; |
| } |
| } |
| } |
| |
| class SharkFreeQueueItem : public CHeapObj<mtNone> { |
| public: |
| SharkFreeQueueItem(llvm::Function* function, SharkFreeQueueItem *next) |
| : _function(function), _next(next) {} |
| |
| private: |
| llvm::Function* _function; |
| SharkFreeQueueItem* _next; |
| |
| public: |
| llvm::Function* function() const { |
| return _function; |
| } |
| SharkFreeQueueItem* next() const { |
| return _next; |
| } |
| }; |
| |
| void SharkContext::push_to_free_queue(Function* function) { |
| _free_queue = new SharkFreeQueueItem(function, _free_queue); |
| } |
| |
| Function* SharkContext::pop_from_free_queue() { |
| if (_free_queue == NULL) |
| return NULL; |
| |
| SharkFreeQueueItem *item = _free_queue; |
| Function *function = item->function(); |
| _free_queue = item->next(); |
| delete item; |
| return function; |
| } |