hotspot/src/cpu/x86/vm/interpreterGenerator_x86.cpp

/*
 * Copyright (c) 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
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#include "precompiled.hpp"
#include "asm/macroAssembler.hpp"
#include "interpreter/interpreter.hpp"
#include "interpreter/interpreterGenerator.hpp"
#include "interpreter/interpreterRuntime.hpp"
#include "interpreter/interp_masm.hpp"

#define __ _masm->

// Jump into normal path for accessor and empty entry to jump to normal entry
// The "fast" optimization don't update compilation count therefore can disable inlining
// for these functions that should be inlined.
address InterpreterGenerator::generate_jump_to_normal_entry(void) {
  address entry_point = __ pc();

  assert(Interpreter::entry_for_kind(Interpreter::zerolocals) != NULL, "should already be generated");
  __ jump(RuntimeAddress(Interpreter::entry_for_kind(Interpreter::zerolocals)));
  return entry_point;
}

// Abstract method entry
// Attempt to execute abstract method. Throw exception
address InterpreterGenerator::generate_abstract_entry(void) {

  address entry_point = __ pc();

  // abstract method entry

#ifndef CC_INTERP
  //  pop return address, reset last_sp to NULL
  __ empty_expression_stack();
  __ restore_bcp();      // rsi must be correct for exception handler   (was destroyed)
  __ restore_locals();   // make sure locals pointer is correct as well (was destroyed)
#endif

  // throw exception
  __ call_VM(noreg, CAST_FROM_FN_PTR(address, InterpreterRuntime::throw_AbstractMethodError));
  // the call_VM checks for exception, so we should never return here.
  __ should_not_reach_here();

  return entry_point;
}