c1_MacroAssembler.hpp revision 3883:cd3d6a6b95d9 
1/*
2 * Copyright (c) 2000, 2012, 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
31class CodeEmitInfo;
32
33class C1_MacroAssembler: public MacroAssembler {
34 public:
35  // creation
36  C1_MacroAssembler(CodeBuffer* code) : MacroAssembler(code) { pd_init(); }
37
38  //----------------------------------------------------
39  void explicit_null_check(Register base);
40
41  void inline_cache_check(Register receiver, Register iCache);
42  void build_frame(int frame_size_in_bytes);
43  void remove_frame(int frame_size_in_bytes);
44
45  void unverified_entry(Register receiver, Register ic_klass);
46  void verified_entry();
47  void verify_stack_oop(int offset) PRODUCT_RETURN;
48  void verify_not_null_oop(Register r)  PRODUCT_RETURN;
49
50#ifdef TARGET_ARCH_x86
51# include "c1_MacroAssembler_x86.hpp"
52#endif
53#ifdef TARGET_ARCH_sparc
54# include "c1_MacroAssembler_sparc.hpp"
55#endif
56#ifdef TARGET_ARCH_arm
57# include "c1_MacroAssembler_arm.hpp"
58#endif
59#ifdef TARGET_ARCH_ppc
60# include "c1_MacroAssembler_ppc.hpp"
61#endif
62
63};
64
65
66
67// A StubAssembler is a MacroAssembler w/ extra functionality for runtime
68// stubs. Currently it 'knows' some stub info. Eventually, the information
69// may be set automatically or can be asserted when using specialised
70// StubAssembler functions.
71
72class StubAssembler: public C1_MacroAssembler {
73 private:
74  const char* _name;
75  bool        _must_gc_arguments;
76  int         _frame_size;
77  int         _num_rt_args;
78  int         _stub_id;
79
80 public:
81  // creation
82  StubAssembler(CodeBuffer* code, const char * name, int stub_id);
83  void set_info(const char* name, bool must_gc_arguments);
84
85  void set_frame_size(int size);
86  void set_num_rt_args(int args);
87
88  // accessors
89  const char* name() const                       { return _name; }
90  bool  must_gc_arguments() const                { return _must_gc_arguments; }
91  int frame_size() const                         { return _frame_size; }
92  int num_rt_args() const                        { return _num_rt_args; }
93  int stub_id() const                            { return _stub_id; }
94
95  // runtime calls (return offset of call to be used by GC map)
96  int call_RT(Register oop_result1, Register metadata_result, address entry, int args_size = 0);
97  int call_RT(Register oop_result1, Register metadata_result, address entry, Register arg1);
98  int call_RT(Register oop_result1, Register metadata_result, address entry, Register arg1, Register arg2);
99  int call_RT(Register oop_result1, Register metadata_result, address entry, Register arg1, Register arg2, Register arg3);
100};
101
102#endif // SHARE_VM_C1_C1_MACROASSEMBLER_HPP
103