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comparison src/share/vm/c1/c1_MacroAssembler.hpp @ 0:a61af66fc99e jdk7-b24

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author duke
date Sat, 01 Dec 2007 00:00:00 +0000
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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 };