c1_MacroAssembler.hpp revision 0:a61af66fc99e 
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
25class CodeEmitInfo;
26
27class 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
54class 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};
83