1 /*
2 * Copyright (c) 2000, 2018, 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 verified_entry();
47 void verify_stack_oop(int offset) PRODUCT_RETURN;
48 void verify_not_null_oop(Register r) PRODUCT_RETURN;
49
50 #include CPU_HEADER(c1_MacroAssembler)
51
52 };
53
54
55
56 // A StubAssembler is a MacroAssembler w/ extra functionality for runtime
57 // stubs. Currently it 'knows' some stub info. Eventually, the information
58 // may be set automatically or can be asserted when using specialised
59 // StubAssembler functions.
60
61 class StubAssembler: public C1_MacroAssembler {
62 private:
63 const char* _name;
64 bool _must_gc_arguments;
65 int _frame_size;
66 int _num_rt_args;
67 int _stub_id;
68
69 public:
70 // creation
71 StubAssembler(CodeBuffer* code, const char * name, int stub_id);
72 void set_info(const char* name, bool must_gc_arguments);
73
74 void set_frame_size(int size);
75 void set_num_rt_args(int args);
76
77 void save_live_registers();
78 void restore_live_registers_without_return();
79
80 // accessors
81 const char* name() const { return _name; }
82 bool must_gc_arguments() const { return _must_gc_arguments; }
83 int frame_size() const { return _frame_size; }
84 int num_rt_args() const { return _num_rt_args; }
85 int stub_id() const { return _stub_id; }
86
87 // runtime calls (return offset of call to be used by GC map)
88 int call_RT(Register oop_result1, Register metadata_result, address entry, int args_size = 0);
89 int call_RT(Register oop_result1, Register metadata_result, address entry, Register arg1);
90 int call_RT(Register oop_result1, Register metadata_result, address entry, Register arg1, Register arg2);
91 int call_RT(Register oop_result1, Register metadata_result, address entry, Register arg1, Register arg2, Register arg3);
92
93 void prologue(const char* name, bool must_gc_arguments);
94 void epilogue();
95 };
96
97 #endif // SHARE_VM_C1_C1_MACROASSEMBLER_HPP