src/cpu/zero/vm/assembler_zero.hpp

Thu, 06 Dec 2012 09:57:41 -0800

author
twisti
date
Thu, 06 Dec 2012 09:57:41 -0800
changeset 4323
f0c2369fda5a
parent 4314
2cd5e15048e6
child 4356
18d56ca3e901
permissions
-rw-r--r--

8003250: SPARC: move MacroAssembler into separate file
Reviewed-by: jrose, kvn

     1 /*
     2  * Copyright (c) 1997, 2010, Oracle and/or its affiliates. All rights reserved.
     3  * Copyright 2007, 2008, 2009 Red Hat, Inc.
     4  * DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER.
     5  *
     6  * This code is free software; you can redistribute it and/or modify it
     7  * under the terms of the GNU General Public License version 2 only, as
     8  * published by the Free Software Foundation.
     9  *
    10  * This code is distributed in the hope that it will be useful, but WITHOUT
    11  * ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or
    12  * FITNESS FOR A PARTICULAR PURPOSE.  See the GNU General Public License
    13  * version 2 for more details (a copy is included in the LICENSE file that
    14  * accompanied this code).
    15  *
    16  * You should have received a copy of the GNU General Public License version
    17  * 2 along with this work; if not, write to the Free Software Foundation,
    18  * Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA.
    19  *
    20  * Please contact Oracle, 500 Oracle Parkway, Redwood Shores, CA 94065 USA
    21  * or visit www.oracle.com if you need additional information or have any
    22  * questions.
    23  *
    24  */
    26 #ifndef CPU_ZERO_VM_ASSEMBLER_ZERO_HPP
    27 #define CPU_ZERO_VM_ASSEMBLER_ZERO_HPP
    29 // In normal, CPU-specific ports of HotSpot these two classes are used
    30 // for generating assembly language.  We don't do any of this in zero,
    31 // of course, but we do sneak entry points around in CodeBuffers so we
    32 // generate those here.
    34 class Assembler : public AbstractAssembler {
    35  public:
    36   Assembler(CodeBuffer* code) : AbstractAssembler(code) {}
    38  public:
    39   void pd_patch_instruction(address branch, address target);
    40 #ifndef PRODUCT
    41   static void pd_print_patched_instruction(address branch);
    42 #endif // PRODUCT
    43 };
    45 class MacroAssembler : public Assembler {
    46  public:
    47   MacroAssembler(CodeBuffer* code) : Assembler(code) {}
    49  public:
    50   void align(int modulus);
    51   void bang_stack_with_offset(int offset);
    52   bool needs_explicit_null_check(intptr_t offset);
    53   RegisterOrConstant delayed_value_impl(intptr_t* delayed_value_addr,
    54                                         Register tmp, int offset);
    55  public:
    56   void advance(int bytes);
    57   void store_oop(jobject obj);
    58   void store_Metadata(Metadata* obj);
    59 };
    61 address ShouldNotCallThisStub();
    62 address ShouldNotCallThisEntry();
    64 #endif // CPU_ZERO_VM_ASSEMBLER_ZERO_HPP

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