/*
 * Copyright (c) 1999, 2015, 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 "asm/macroAssembler.inline.hpp"
#include "runtime/os.hpp"
#include "runtime/threadLocalStorage.hpp"
#include "runtime/thread.inline.hpp"

void MacroAssembler::int3() {
  push(rax);
  push(rdx);
  push(rcx);
  call(RuntimeAddress(CAST_FROM_FN_PTR(address, os::breakpoint)));
  pop(rcx);
  pop(rdx);
  pop(rax);
}

// This is simply a call to ThreadLocalStorage::thread()
void MacroAssembler::get_thread(Register thread) {
  if (thread != rax) {
    push(rax);
  }
  push(rdi);
  push(rsi);
  push(rdx);
  push(rcx);
  push(r8);
  push(r9);
  push(r10);
  push(r11);

  call(RuntimeAddress(CAST_FROM_FN_PTR(address, ThreadLocalStorage::thread)));
  
  pop(r11);
  pop(r10);
  pop(r9);
  pop(r8);
  pop(rcx);
  pop(rdx);
  pop(rsi);
  pop(rdi);
  if (thread != rax) {
    movl(thread, rax);
    pop(rax);
  } 
}