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Java example source code file (c1_MacroAssembler_sparc.hpp)

This example Java source code file (c1_MacroAssembler_sparc.hpp) is included in the alvinalexander.com "Java Source Code Warehouse" project. The intent of this project is to help you "Learn Java by Example" TM.

Learn more about this Java project at its project page.

Java - Java tags/keywords

cpu_sparc_vm_c1_macroassembler_sparc_hpp, label, rbox, register, rmark, roop, rscratch

The c1_MacroAssembler_sparc.hpp Java example source code

/*
 * Copyright (c) 1999, 2011, 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.
 *
 */

#ifndef CPU_SPARC_VM_C1_MACROASSEMBLER_SPARC_HPP
#define CPU_SPARC_VM_C1_MACROASSEMBLER_SPARC_HPP

  void pd_init() { /* nothing to do */ }

 public:
   void try_allocate(
    Register obj,                      // result: pointer to object after successful allocation
    Register var_size_in_bytes,        // object size in bytes if unknown at compile time; invalid otherwise
    int      con_size_in_bytes,        // object size in bytes if   known at compile time
    Register t1,                       // temp register
    Register t2,                       // temp register
    Label&   slow_case                 // continuation point if fast allocation fails
  );

  void initialize_header(Register obj, Register klass, Register len, Register t1, Register t2);
  void initialize_body(Register base, Register index);

  // locking/unlocking
  void lock_object  (Register Rmark, Register Roop, Register Rbox, Register Rscratch, Label& slow_case);
  void unlock_object(Register Rmark, Register Roop, Register Rbox,                    Label& slow_case);

  void initialize_object(
    Register obj,                      // result: pointer to object after successful allocation
    Register klass,                    // object klass
    Register var_size_in_bytes,        // object size in bytes if unknown at compile time; invalid otherwise
    int      con_size_in_bytes,        // object size in bytes if   known at compile time
    Register t1,                       // temp register
    Register t2                        // temp register
  );

  // allocation of fixed-size objects
  // (can also be used to allocate fixed-size arrays, by setting
  // hdr_size correctly and storing the array length afterwards)
  void allocate_object(
    Register obj,                      // result: pointer to object after successful allocation
    Register t1,                       // temp register
    Register t2,                       // temp register
    Register t3,                       // temp register
    int      hdr_size,                 // object header size in words
    int      obj_size,                 // object size in words
    Register klass,                    // object klass
    Label&   slow_case                 // continuation point if fast allocation fails
  );

  enum {
    max_array_allocation_length = 0x01000000 // sparc friendly value, requires sethi only
  };

  // allocation of arrays
  void allocate_array(
    Register obj,                      // result: pointer to array after successful allocation
    Register len,                      // array length
    Register t1,                       // temp register
    Register t2,                       // temp register
    Register t3,                       // temp register
    int      hdr_size,                 // object header size in words
    int      elt_size,                 // element size in bytes
    Register klass,                    // object klass
    Label&   slow_case                 // continuation point if fast allocation fails
  );

  // invalidates registers in this window
  void invalidate_registers(bool iregisters, bool lregisters, bool oregisters,
                            Register preserve1 = noreg, Register preserve2 = noreg);

#endif // CPU_SPARC_VM_C1_MACROASSEMBLER_SPARC_HPP

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