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/*
* 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
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