Mercurial > hg > truffle
annotate src/cpu/zero/vm/nativeInst_zero.hpp @ 13290:492c9907b9bf
Move Access.setNullCheck to FixedAccessNode.setNullCheck. FloatingAccessNode.asFixedNode retruns a FixedAccessNode
author | Gilles Duboscq <duboscq@ssw.jku.at> |
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date | Wed, 11 Dec 2013 14:02:23 +0100 |
parents | e16282db4946 |
children | de6a9e811145 |
rev | line source |
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1010 | 1 /* |
1972 | 2 * Copyright (c) 2003, 2010, Oracle and/or its affiliates. All rights reserved. |
1010 | 3 * Copyright 2007 Red Hat, Inc. |
4 * DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER. | |
5 * | |
6 * This code is free software; you can redistribute it and/or modify it | |
7 * under the terms of the GNU General Public License version 2 only, as | |
8 * published by the Free Software Foundation. | |
9 * | |
10 * This code is distributed in the hope that it will be useful, but WITHOUT | |
11 * ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or | |
12 * FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License | |
13 * version 2 for more details (a copy is included in the LICENSE file that | |
14 * accompanied this code). | |
15 * | |
16 * You should have received a copy of the GNU General Public License version | |
17 * 2 along with this work; if not, write to the Free Software Foundation, | |
18 * Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA. | |
19 * | |
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20 * Please contact Oracle, 500 Oracle Parkway, Redwood Shores, CA 94065 USA |
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21 * or visit www.oracle.com if you need additional information or have any |
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22 * questions. |
1010 | 23 * |
24 */ | |
25 | |
1972 | 26 #ifndef CPU_ZERO_VM_NATIVEINST_ZERO_HPP |
27 #define CPU_ZERO_VM_NATIVEINST_ZERO_HPP | |
28 | |
29 #include "asm/assembler.hpp" | |
30 #include "memory/allocation.hpp" | |
31 #include "runtime/icache.hpp" | |
32 #include "runtime/os.hpp" | |
33 #include "utilities/top.hpp" | |
34 | |
1010 | 35 // We have interfaces for the following instructions: |
36 // - NativeInstruction | |
37 // - - NativeCall | |
38 // - - NativeMovConstReg | |
39 // - - NativeMovConstRegPatching | |
40 // - - NativeJump | |
41 // - - NativeIllegalOpCode | |
42 // - - NativeReturn | |
43 // - - NativeReturnX (return with argument) | |
44 // - - NativePushConst | |
45 // - - NativeTstRegMem | |
46 | |
47 // The base class for different kinds of native instruction abstractions. | |
48 // Provides the primitive operations to manipulate code relative to this. | |
49 | |
50 class NativeInstruction VALUE_OBJ_CLASS_SPEC { | |
51 public: | |
52 bool is_jump() { | |
53 ShouldNotCallThis(); | |
12077 | 54 return false; |
1010 | 55 } |
56 | |
57 bool is_safepoint_poll() { | |
58 ShouldNotCallThis(); | |
12077 | 59 return false; |
1010 | 60 } |
61 }; | |
62 | |
63 inline NativeInstruction* nativeInstruction_at(address address) { | |
64 ShouldNotCallThis(); | |
12077 | 65 return NULL; |
1010 | 66 } |
67 | |
68 class NativeCall : public NativeInstruction { | |
69 public: | |
70 enum zero_specific_constants { | |
71 instruction_size = 0 // not used within the interpreter | |
72 }; | |
73 | |
74 address instruction_address() const { | |
75 ShouldNotCallThis(); | |
12077 | 76 return NULL; |
1010 | 77 } |
78 | |
79 address next_instruction_address() const { | |
80 ShouldNotCallThis(); | |
12077 | 81 return NULL; |
1010 | 82 } |
83 | |
84 address return_address() const { | |
85 ShouldNotCallThis(); | |
12077 | 86 return NULL; |
1010 | 87 } |
88 | |
89 address destination() const { | |
90 ShouldNotCallThis(); | |
12077 | 91 return NULL; |
1010 | 92 } |
93 | |
94 void set_destination_mt_safe(address dest) { | |
95 ShouldNotCallThis(); | |
96 } | |
97 | |
98 void verify_alignment() { | |
99 ShouldNotCallThis(); | |
100 } | |
101 | |
102 void verify() { | |
103 ShouldNotCallThis(); | |
104 } | |
105 | |
106 static bool is_call_before(address return_address) { | |
107 ShouldNotCallThis(); | |
12077 | 108 return false; |
1010 | 109 } |
110 }; | |
111 | |
112 inline NativeCall* nativeCall_before(address return_address) { | |
113 ShouldNotCallThis(); | |
12077 | 114 return NULL; |
1010 | 115 } |
116 | |
117 inline NativeCall* nativeCall_at(address address) { | |
118 ShouldNotCallThis(); | |
12077 | 119 return NULL; |
1010 | 120 } |
121 | |
122 class NativeMovConstReg : public NativeInstruction { | |
123 public: | |
124 address next_instruction_address() const { | |
125 ShouldNotCallThis(); | |
12077 | 126 return NULL; |
1010 | 127 } |
128 | |
129 intptr_t data() const { | |
130 ShouldNotCallThis(); | |
12077 | 131 return 0; |
1010 | 132 } |
133 | |
134 void set_data(intptr_t x) { | |
135 ShouldNotCallThis(); | |
136 } | |
137 }; | |
138 | |
139 inline NativeMovConstReg* nativeMovConstReg_at(address address) { | |
140 ShouldNotCallThis(); | |
12077 | 141 return NULL; |
1010 | 142 } |
143 | |
144 class NativeMovRegMem : public NativeInstruction { | |
145 public: | |
146 int offset() const { | |
147 ShouldNotCallThis(); | |
12077 | 148 return 0; |
1010 | 149 } |
150 | |
151 void set_offset(intptr_t x) { | |
152 ShouldNotCallThis(); | |
153 } | |
154 | |
155 void add_offset_in_bytes(int add_offset) { | |
156 ShouldNotCallThis(); | |
157 } | |
158 }; | |
159 | |
160 inline NativeMovRegMem* nativeMovRegMem_at(address address) { | |
161 ShouldNotCallThis(); | |
12077 | 162 return NULL; |
1010 | 163 } |
164 | |
165 class NativeJump : public NativeInstruction { | |
166 public: | |
167 enum zero_specific_constants { | |
168 instruction_size = 0 // not used within the interpreter | |
169 }; | |
170 | |
171 address jump_destination() const { | |
172 ShouldNotCallThis(); | |
12077 | 173 return NULL; |
1010 | 174 } |
175 | |
176 void set_jump_destination(address dest) { | |
177 ShouldNotCallThis(); | |
178 } | |
179 | |
180 static void check_verified_entry_alignment(address entry, | |
181 address verified_entry) { | |
182 } | |
183 | |
184 static void patch_verified_entry(address entry, | |
185 address verified_entry, | |
186 address dest); | |
187 }; | |
188 | |
189 inline NativeJump* nativeJump_at(address address) { | |
190 ShouldNotCallThis(); | |
12077 | 191 return NULL; |
1010 | 192 } |
193 | |
194 class NativeGeneralJump : public NativeInstruction { | |
195 public: | |
196 address jump_destination() const { | |
197 ShouldNotCallThis(); | |
12077 | 198 return NULL; |
1010 | 199 } |
200 | |
201 static void insert_unconditional(address code_pos, address entry) { | |
202 ShouldNotCallThis(); | |
203 } | |
204 | |
205 static void replace_mt_safe(address instr_addr, address code_buffer) { | |
206 ShouldNotCallThis(); | |
207 } | |
208 }; | |
209 | |
210 inline NativeGeneralJump* nativeGeneralJump_at(address address) { | |
211 ShouldNotCallThis(); | |
12077 | 212 return NULL; |
1010 | 213 } |
1972 | 214 |
215 #endif // CPU_ZERO_VM_NATIVEINST_ZERO_HPP |