/*

 * Copyright (c) 1999, 2014, Oracle and/or its affiliates. All rights reserved.

 * 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 "c1/c1_Compilation.hpp"

#include "c1/c1_Compiler.hpp"

#include "c1/c1_FrameMap.hpp"

#include "c1/c1_GraphBuilder.hpp"

#include "c1/c1_LinearScan.hpp"

#include "c1/c1_MacroAssembler.hpp"

#include "c1/c1_Runtime1.hpp"

#include "c1/c1_ValueType.hpp"

#include "compiler/compileBroker.hpp"

#include "compiler/compilerOracle.hpp"

#include "interpreter/linkResolver.hpp"

#include "memory/allocation.hpp"

#include "memory/allocation.inline.hpp"

#include "memory/resourceArea.hpp"

#include "prims/nativeLookup.hpp"

#include "runtime/arguments.hpp"

#include "runtime/interfaceSupport.hpp"

#include "runtime/sharedRuntime.hpp"

Compiler::Compiler() : AbstractCompiler(c1) {

}

void Compiler::init_c1_runtime() {

  BufferBlob* buffer_blob = CompilerThread::current()->get_buffer_blob();

  Arena* arena = new (mtCompiler) Arena();

  Runtime1::initialize(buffer_blob);

  FrameMap::initialize();

  // initialize data structures

  ValueType::initialize(arena);

  GraphBuilder::initialize();

  // note: to use more than one instance of LinearScan at a time this function call has to

  //       be moved somewhere outside of this constructor:

  Interval::initialize(arena);

}

void Compiler::initialize() {

  // Buffer blob must be allocated per C1 compiler thread at startup

  BufferBlob* buffer_blob = init_buffer_blob();

  if (should_perform_init()) {

    if (buffer_blob == NULL) {

      // When we come here we are in state 'initializing'; entire C1 compilation

      // can be shut down.

      set_state(failed);

    } else {

      init_c1_runtime();

      set_state(initialized);

    }

  }

}

BufferBlob* Compiler::init_buffer_blob() {

  // Allocate buffer blob once at startup since allocation for each

  // compilation seems to be too expensive (at least on Intel win32).

  assert (CompilerThread::current()->get_buffer_blob() == NULL, "Should initialize only once");

  // setup CodeBuffer.  Preallocate a BufferBlob of size

  // NMethodSizeLimit plus some extra space for constants.

  int code_buffer_size = Compilation::desired_max_code_buffer_size() +

    Compilation::desired_max_constant_size();

  BufferBlob* buffer_blob = BufferBlob::create("C1 temporary CodeBuffer", code_buffer_size);

  if (buffer_blob != NULL) {

    CompilerThread::current()->set_buffer_blob(buffer_blob);

  }

  return buffer_blob;

}

void Compiler::compile_method(ciEnv* env, ciMethod* method, int entry_bci) {

  BufferBlob* buffer_blob = CompilerThread::current()->get_buffer_blob();

  assert(buffer_blob != NULL, "Must exist");

  // invoke compilation

  {

    // We are nested here because we need for the destructor

    // of Compilation to occur before we release the any

    // competing compiler thread

    ResourceMark rm;

    Compilation c(this, env, method, entry_bci, buffer_blob);

  }

}

void Compiler::print_timers() {

  Compilation::print_timers();

}