1 /*

     2  * Copyright 2000-2005 Sun Microsystems, Inc.  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 Sun Microsystems, Inc., 4150 Network Circle, Santa Clara,

    20  * CA 95054 USA or visit www.sun.com if you need additional information or

    21  * have any questions.

    22  *

    23  */

    24 

    25 class CodeEmitInfo;

    26 

    27 class C1_MacroAssembler: public MacroAssembler {

    28  public:

    29   // creation

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

    31 

    32   //----------------------------------------------------

    33   void explicit_null_check(Register base);

    34 

    35   void inline_cache_check(Register receiver, Register iCache);

    36   void build_frame(int frame_size_in_bytes);

    37   void method_exit(bool restore_frame);

    38 

    39   void unverified_entry(Register receiver, Register ic_klass);

    40   void verified_entry();

    41   void verify_stack_oop(int offset) PRODUCT_RETURN;

    42   void verify_not_null_oop(Register r)  PRODUCT_RETURN;

    43 

    44 #include "incls/_c1_MacroAssembler_pd.hpp.incl"

    45 };

    46 

    47 

    48 

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

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

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

    52 // StubAssembler functions.

    53 

    54 class StubAssembler: public C1_MacroAssembler {

    55  private:

    56   const char* _name;

    57   bool        _must_gc_arguments;

    58   int         _frame_size;

    59   int         _num_rt_args;

    60   int         _stub_id;

    61 

    62  public:

    63   // creation

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

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

    66 

    67   void set_frame_size(int size);

    68   void set_num_rt_args(int args);

    69 

    70   // accessors

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

    72   bool  must_gc_arguments() const                { return _must_gc_arguments; }

    73   int frame_size() const                         { return _frame_size; }

    74   int num_rt_args() const                        { return _num_rt_args; }

    75   int stub_id() const                            { return _stub_id; }

    76 

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

    78   int call_RT(Register oop_result1, Register oop_result2, address entry, int args_size = 0);

    79   int call_RT(Register oop_result1, Register oop_result2, address entry, Register arg1);

    80   int call_RT(Register oop_result1, Register oop_result2, address entry, Register arg1, Register arg2);

    81   int call_RT(Register oop_result1, Register oop_result2, address entry, Register arg1, Register arg2, Register arg3);

    82 };