1 /*

     2  * Copyright (c) 2000, 2016, Oracle and/or its affiliates. All rights reserved.

     3  * DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER.

     4  *

     5  * This code is free software; you can redistribute it and/or modify it

     6  * under the terms of the GNU General Public License version 2 only, as

     7  * published by the Free Software Foundation.

     8  *

     9  * This code is distributed in the hope that it will be useful, but WITHOUT

    10  * ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or

    11  * FITNESS FOR A PARTICULAR PURPOSE.  See the GNU General Public License

    12  * version 2 for more details (a copy is included in the LICENSE file that

    13  * accompanied this code).

    14  *

    15  * You should have received a copy of the GNU General Public License version

    16  * 2 along with this work; if not, write to the Free Software Foundation,

    17  * Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA.

    18  *

    19  * Please contact Oracle, 500 Oracle Parkway, Redwood Shores, CA 94065 USA

    20  * or visit www.oracle.com if you need additional information or have any

    21  * questions.

    22  *

    23  */

    24 

    25 #ifndef SHARE_VM_C1_C1_MACROASSEMBLER_HPP

    26 #define SHARE_VM_C1_C1_MACROASSEMBLER_HPP

    27 

    28 #include "asm/macroAssembler.hpp"

    29 #include "asm/macroAssembler.inline.hpp"

    30 #include "utilities/macros.hpp"

    31 

    32 class CodeEmitInfo;

    33 

    34 class C1_MacroAssembler: public MacroAssembler {

    35  public:

    36   // creation

    37   C1_MacroAssembler(CodeBuffer* code) : MacroAssembler(code) { pd_init(); }

    38 

    39   //----------------------------------------------------

    40   void explicit_null_check(Register base);

    41 

    42   void inline_cache_check(Register receiver, Register iCache);

    43   void build_frame(int frame_size_in_bytes, int bang_size_in_bytes);

    44   void remove_frame(int frame_size_in_bytes);

    45 

    46   void unverified_entry(Register receiver, Register ic_klass);

    47   void verified_entry();

    48   void verify_stack_oop(int offset) PRODUCT_RETURN;

    49   void verify_not_null_oop(Register r)  PRODUCT_RETURN;

    50 

    51 #include CPU_HEADER(c1_MacroAssembler)

    52 

    53 };

    54 

    55 

    56 

    57 // A StubAssembler is a MacroAssembler w/ extra functionality for runtime

    58 // stubs. Currently it 'knows' some stub info. Eventually, the information

    59 // may be set automatically or can be asserted when using specialised

    60 // StubAssembler functions.

    61 

    62 class StubAssembler: public C1_MacroAssembler {

    63  private:

    64   const char* _name;

    65   bool        _must_gc_arguments;

    66   int         _frame_size;

    67   int         _num_rt_args;

    68   int         _stub_id;

    69 

    70  public:

    71   // creation

    72   StubAssembler(CodeBuffer* code, const char * name, int stub_id);

    73   void set_info(const char* name, bool must_gc_arguments);

    74 

    75   void set_frame_size(int size);

    76   void set_num_rt_args(int args);

    77 

    78   // accessors

    79   const char* name() const                       { return _name; }

    80   bool  must_gc_arguments() const                { return _must_gc_arguments; }

    81   int frame_size() const                         { return _frame_size; }

    82   int num_rt_args() const                        { return _num_rt_args; }

    83   int stub_id() const                            { return _stub_id; }

    84 

    85   // runtime calls (return offset of call to be used by GC map)

    86   int call_RT(Register oop_result1, Register metadata_result, address entry, int args_size = 0);

    87   int call_RT(Register oop_result1, Register metadata_result, address entry, Register arg1);

    88   int call_RT(Register oop_result1, Register metadata_result, address entry, Register arg1, Register arg2);

    89   int call_RT(Register oop_result1, Register metadata_result, address entry, Register arg1, Register arg2, Register arg3);

    90 };

    91 

    92 #endif // SHARE_VM_C1_C1_MACROASSEMBLER_HPP