Mercurial > hg > graal-jvmci-8

annotate graal/com.oracle.graal.api.code/src/com/oracle/graal/api/code/Architecture.java @ 14563:82e4fe6fa525

Find changesets by keywords (author, files, the commit message), revision number or hash, or revset expression.
Remove all references to NarrowOop from VM independent code.
author Roland Schatz <roland.schatz@oracle.com>
date Mon, 17 Mar 2014 13:08:32 +0100
parents d8ac61f39968
children a0d1dfc113b8
Ignore whitespace changes - Everywhere: Within whitespace: At end of lines:
rev   line source
3733
e233f5660da4 Added Java files from Maxine project.
Thomas Wuerthinger <thomas.wuerthinger@oracle.com>
parents:
diff changeset
1 /*
e233f5660da4 Added Java files from Maxine project.
Thomas Wuerthinger <thomas.wuerthinger@oracle.com>
parents:
diff changeset
2 * Copyright (c) 2009, 2011, Oracle and/or its affiliates. All rights reserved.
e233f5660da4 Added Java files from Maxine project.
Thomas Wuerthinger <thomas.wuerthinger@oracle.com>
parents:
diff changeset
3 * DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER.
e233f5660da4 Added Java files from Maxine project.
Thomas Wuerthinger <thomas.wuerthinger@oracle.com>
parents:
diff changeset
4 *
e233f5660da4 Added Java files from Maxine project.
Thomas Wuerthinger <thomas.wuerthinger@oracle.com>
parents:
diff changeset
5 * This code is free software; you can redistribute it and/or modify it
e233f5660da4 Added Java files from Maxine project.
Thomas Wuerthinger <thomas.wuerthinger@oracle.com>
parents:
diff changeset
6 * under the terms of the GNU General Public License version 2 only, as
e233f5660da4 Added Java files from Maxine project.
Thomas Wuerthinger <thomas.wuerthinger@oracle.com>
parents:
diff changeset
7 * published by the Free Software Foundation.
e233f5660da4 Added Java files from Maxine project.
Thomas Wuerthinger <thomas.wuerthinger@oracle.com>
parents:
diff changeset
8 *
e233f5660da4 Added Java files from Maxine project.
Thomas Wuerthinger <thomas.wuerthinger@oracle.com>
parents:
diff changeset
9 * This code is distributed in the hope that it will be useful, but WITHOUT
e233f5660da4 Added Java files from Maxine project.
Thomas Wuerthinger <thomas.wuerthinger@oracle.com>
parents:
diff changeset
10 * ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or
e233f5660da4 Added Java files from Maxine project.
Thomas Wuerthinger <thomas.wuerthinger@oracle.com>
parents:
diff changeset
11 * FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License
e233f5660da4 Added Java files from Maxine project.
Thomas Wuerthinger <thomas.wuerthinger@oracle.com>
parents:
diff changeset
12 * version 2 for more details (a copy is included in the LICENSE file that
e233f5660da4 Added Java files from Maxine project.
Thomas Wuerthinger <thomas.wuerthinger@oracle.com>
parents:
diff changeset
13 * accompanied this code).
e233f5660da4 Added Java files from Maxine project.
Thomas Wuerthinger <thomas.wuerthinger@oracle.com>
parents:
diff changeset
14 *
e233f5660da4 Added Java files from Maxine project.
Thomas Wuerthinger <thomas.wuerthinger@oracle.com>
parents:
diff changeset
15 * You should have received a copy of the GNU General Public License version
e233f5660da4 Added Java files from Maxine project.
Thomas Wuerthinger <thomas.wuerthinger@oracle.com>
parents:
diff changeset
16 * 2 along with this work; if not, write to the Free Software Foundation,
e233f5660da4 Added Java files from Maxine project.
Thomas Wuerthinger <thomas.wuerthinger@oracle.com>
parents:
diff changeset
17 * Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA.
e233f5660da4 Added Java files from Maxine project.
Thomas Wuerthinger <thomas.wuerthinger@oracle.com>
parents:
diff changeset
18 *
e233f5660da4 Added Java files from Maxine project.
Thomas Wuerthinger <thomas.wuerthinger@oracle.com>
parents:
diff changeset
19 * Please contact Oracle, 500 Oracle Parkway, Redwood Shores, CA 94065 USA
e233f5660da4 Added Java files from Maxine project.
Thomas Wuerthinger <thomas.wuerthinger@oracle.com>
parents:
diff changeset
20 * or visit www.oracle.com if you need additional information or have any
e233f5660da4 Added Java files from Maxine project.
Thomas Wuerthinger <thomas.wuerthinger@oracle.com>
parents:
diff changeset
21 * questions.
e233f5660da4 Added Java files from Maxine project.
Thomas Wuerthinger <thomas.wuerthinger@oracle.com>
parents:
diff changeset
22 */
5510
426c605c9d3c Move cri.ci to api.code.
Thomas Wuerthinger <thomas.wuerthinger@oracle.com>
parents: 4199
diff changeset
23 package com.oracle.graal.api.code;
3733
e233f5660da4 Added Java files from Maxine project.
Thomas Wuerthinger <thomas.wuerthinger@oracle.com>
parents:
diff changeset
24
7700
627c284671b7 Use java.nio.ByteOrder instead of our own ByteOrder enumeration
Christian Wimmer <christian.wimmer@oracle.com>
parents: 7530
diff changeset
25 import java.nio.*;
3733
e233f5660da4 Added Java files from Maxine project.
Thomas Wuerthinger <thomas.wuerthinger@oracle.com>
parents:
diff changeset
26
9425
3ec29630cfb4 Use register categories instead of register flags.
Roland Schatz <roland.schatz@oracle.com>
parents: 9423
diff changeset
27 import com.oracle.graal.api.code.Register.RegisterCategory;
9189
0331f7512be2 CPU capability detection.
Roland Schatz <roland.schatz@oracle.com>
parents: 7889
diff changeset
28 import com.oracle.graal.api.meta.*;
0331f7512be2 CPU capability detection.
Roland Schatz <roland.schatz@oracle.com>
parents: 7889
diff changeset
29
3733
e233f5660da4 Added Java files from Maxine project.
Thomas Wuerthinger <thomas.wuerthinger@oracle.com>
parents:
diff changeset
30 /**
7530
5e3d1a68664e applied mx eclipseformat to all Java files
Doug Simon <doug.simon@oracle.com>
parents: 6582
diff changeset
31 * Represents a CPU architecture, including information such as its endianness, CPU registers, word
5e3d1a68664e applied mx eclipseformat to all Java files
Doug Simon <doug.simon@oracle.com>
parents: 6582
diff changeset
32 * width, etc.
3733
e233f5660da4 Added Java files from Maxine project.
Thomas Wuerthinger <thomas.wuerthinger@oracle.com>
parents:
diff changeset
33 */
5547
b6617d13ea44 Dropping Ci* prefixes. Some additional renamings in the api.code interface.
Thomas Wuerthinger <thomas.wuerthinger@oracle.com>
parents: 5510
diff changeset
34 public abstract class Architecture {
3733
e233f5660da4 Added Java files from Maxine project.
Thomas Wuerthinger <thomas.wuerthinger@oracle.com>
parents:
diff changeset
35
e233f5660da4 Added Java files from Maxine project.
Thomas Wuerthinger <thomas.wuerthinger@oracle.com>
parents:
diff changeset
36 /**
7530
5e3d1a68664e applied mx eclipseformat to all Java files
Doug Simon <doug.simon@oracle.com>
parents: 6582
diff changeset
37 * The number of bits required in a bit map covering all the registers that may store
5e3d1a68664e applied mx eclipseformat to all Java files
Doug Simon <doug.simon@oracle.com>
parents: 6582
diff changeset
38 * references. The bit position of a register in the map is the register's
5e3d1a68664e applied mx eclipseformat to all Java files
Doug Simon <doug.simon@oracle.com>
parents: 6582
diff changeset
39 * {@linkplain Register#number number}.
3733
e233f5660da4 Added Java files from Maxine project.
Thomas Wuerthinger <thomas.wuerthinger@oracle.com>
parents:
diff changeset
40 */
6582
cc32ce37eddc deleted Architecture.twoOperandMode() and encapsulated all public fields in Architecture with getters
Doug Simon <doug.simon@oracle.com>
parents: 6581
diff changeset
41 private final int registerReferenceMapBitCount;
3733
e233f5660da4 Added Java files from Maxine project.
Thomas Wuerthinger <thomas.wuerthinger@oracle.com>
parents:
diff changeset
42
e233f5660da4 Added Java files from Maxine project.
Thomas Wuerthinger <thomas.wuerthinger@oracle.com>
parents:
diff changeset
43 /**
7530
5e3d1a68664e applied mx eclipseformat to all Java files
Doug Simon <doug.simon@oracle.com>
parents: 6582
diff changeset
44 * Represents the natural size of words (typically registers and pointers) of this architecture,
5e3d1a68664e applied mx eclipseformat to all Java files
Doug Simon <doug.simon@oracle.com>
parents: 6582
diff changeset
45 * in bytes.
3733
e233f5660da4 Added Java files from Maxine project.
Thomas Wuerthinger <thomas.wuerthinger@oracle.com>
parents:
diff changeset
46 */
6582
cc32ce37eddc deleted Architecture.twoOperandMode() and encapsulated all public fields in Architecture with getters
Doug Simon <doug.simon@oracle.com>
parents: 6581
diff changeset
47 private final int wordSize;
3733
e233f5660da4 Added Java files from Maxine project.
Thomas Wuerthinger <thomas.wuerthinger@oracle.com>
parents:
diff changeset
48
e233f5660da4 Added Java files from Maxine project.
Thomas Wuerthinger <thomas.wuerthinger@oracle.com>
parents:
diff changeset
49 /**
e233f5660da4 Added Java files from Maxine project.
Thomas Wuerthinger <thomas.wuerthinger@oracle.com>
parents:
diff changeset
50 * The name of this architecture (e.g. "AMD64", "SPARCv9").
e233f5660da4 Added Java files from Maxine project.
Thomas Wuerthinger <thomas.wuerthinger@oracle.com>
parents:
diff changeset
51 */
6582
cc32ce37eddc deleted Architecture.twoOperandMode() and encapsulated all public fields in Architecture with getters
Doug Simon <doug.simon@oracle.com>
parents: 6581
diff changeset
52 private final String name;
3733
e233f5660da4 Added Java files from Maxine project.
Thomas Wuerthinger <thomas.wuerthinger@oracle.com>
parents:
diff changeset
53
e233f5660da4 Added Java files from Maxine project.
Thomas Wuerthinger <thomas.wuerthinger@oracle.com>
parents:
diff changeset
54 /**
e233f5660da4 Added Java files from Maxine project.
Thomas Wuerthinger <thomas.wuerthinger@oracle.com>
parents:
diff changeset
55 * Array of all available registers on this architecture. The index of each register in this
5547
b6617d13ea44 Dropping Ci* prefixes. Some additional renamings in the api.code interface.
Thomas Wuerthinger <thomas.wuerthinger@oracle.com>
parents: 5510
diff changeset
56 * array is equal to its {@linkplain Register#number number}.
3733
e233f5660da4 Added Java files from Maxine project.
Thomas Wuerthinger <thomas.wuerthinger@oracle.com>
parents:
diff changeset
57 */
6582
cc32ce37eddc deleted Architecture.twoOperandMode() and encapsulated all public fields in Architecture with getters
Doug Simon <doug.simon@oracle.com>
parents: 6581
diff changeset
58 private final Register[] registers;
3733
e233f5660da4 Added Java files from Maxine project.
Thomas Wuerthinger <thomas.wuerthinger@oracle.com>
parents:
diff changeset
59
e233f5660da4 Added Java files from Maxine project.
Thomas Wuerthinger <thomas.wuerthinger@oracle.com>
parents:
diff changeset
60 /**
e233f5660da4 Added Java files from Maxine project.
Thomas Wuerthinger <thomas.wuerthinger@oracle.com>
parents:
diff changeset
61 * The byte ordering can be either little or big endian.
e233f5660da4 Added Java files from Maxine project.
Thomas Wuerthinger <thomas.wuerthinger@oracle.com>
parents:
diff changeset
62 */
6582
cc32ce37eddc deleted Architecture.twoOperandMode() and encapsulated all public fields in Architecture with getters
Doug Simon <doug.simon@oracle.com>
parents: 6581
diff changeset
63 private final ByteOrder byteOrder;
3733
e233f5660da4 Added Java files from Maxine project.
Thomas Wuerthinger <thomas.wuerthinger@oracle.com>
parents:
diff changeset
64
e233f5660da4 Added Java files from Maxine project.
Thomas Wuerthinger <thomas.wuerthinger@oracle.com>
parents:
diff changeset
65 /**
10898
ea308a63760b added unalignedMemoryAccess to Architecture
twisti
parents: 9757
diff changeset
66 * Whether the architecture supports unaligned memory accesses.
ea308a63760b added unalignedMemoryAccess to Architecture
twisti
parents: 9757
diff changeset
67 */
ea308a63760b added unalignedMemoryAccess to Architecture
twisti
parents: 9757
diff changeset
68 private final boolean unalignedMemoryAccess;
ea308a63760b added unalignedMemoryAccess to Architecture
twisti
parents: 9757
diff changeset
69
ea308a63760b added unalignedMemoryAccess to Architecture
twisti
parents: 9757
diff changeset
70 /**
7530
5e3d1a68664e applied mx eclipseformat to all Java files
Doug Simon <doug.simon@oracle.com>
parents: 6582
diff changeset
71 * Mask of the barrier constants denoting the barriers that are not required to be explicitly
5e3d1a68664e applied mx eclipseformat to all Java files
Doug Simon <doug.simon@oracle.com>
parents: 6582
diff changeset
72 * inserted under this architecture.
3733
e233f5660da4 Added Java files from Maxine project.
Thomas Wuerthinger <thomas.wuerthinger@oracle.com>
parents:
diff changeset
73 */
6582
cc32ce37eddc deleted Architecture.twoOperandMode() and encapsulated all public fields in Architecture with getters
Doug Simon <doug.simon@oracle.com>
parents: 6581
diff changeset
74 private final int implicitMemoryBarriers;
3733
e233f5660da4 Added Java files from Maxine project.
Thomas Wuerthinger <thomas.wuerthinger@oracle.com>
parents:
diff changeset
75
e233f5660da4 Added Java files from Maxine project.
Thomas Wuerthinger <thomas.wuerthinger@oracle.com>
parents:
diff changeset
76 /**
e233f5660da4 Added Java files from Maxine project.
Thomas Wuerthinger <thomas.wuerthinger@oracle.com>
parents:
diff changeset
77 * Offset in bytes from the beginning of a call instruction to the displacement.
e233f5660da4 Added Java files from Maxine project.
Thomas Wuerthinger <thomas.wuerthinger@oracle.com>
parents:
diff changeset
78 */
6582
cc32ce37eddc deleted Architecture.twoOperandMode() and encapsulated all public fields in Architecture with getters
Doug Simon <doug.simon@oracle.com>
parents: 6581
diff changeset
79 private final int machineCodeCallDisplacementOffset;
3733
e233f5660da4 Added Java files from Maxine project.
Thomas Wuerthinger <thomas.wuerthinger@oracle.com>
parents:
diff changeset
80
e233f5660da4 Added Java files from Maxine project.
Thomas Wuerthinger <thomas.wuerthinger@oracle.com>
parents:
diff changeset
81 /**
7530
5e3d1a68664e applied mx eclipseformat to all Java files
Doug Simon <doug.simon@oracle.com>
parents: 6582
diff changeset
82 * The size of the return address pushed to the stack by a call instruction. A value of 0
5e3d1a68664e applied mx eclipseformat to all Java files
Doug Simon <doug.simon@oracle.com>
parents: 6582
diff changeset
83 * denotes that call linkage uses registers instead (e.g. SPARC).
3733
e233f5660da4 Added Java files from Maxine project.
Thomas Wuerthinger <thomas.wuerthinger@oracle.com>
parents:
diff changeset
84 */
6582
cc32ce37eddc deleted Architecture.twoOperandMode() and encapsulated all public fields in Architecture with getters
Doug Simon <doug.simon@oracle.com>
parents: 6581
diff changeset
85 private final int returnAddressSize;
3733
e233f5660da4 Added Java files from Maxine project.
Thomas Wuerthinger <thomas.wuerthinger@oracle.com>
parents:
diff changeset
86
10898
ea308a63760b added unalignedMemoryAccess to Architecture
twisti
parents: 9757
diff changeset
87 protected Architecture(String name, int wordSize, ByteOrder byteOrder, boolean unalignedMemoryAccess, Register[] registers, int implicitMemoryBarriers, int nativeCallDisplacementOffset,
ea308a63760b added unalignedMemoryAccess to Architecture
twisti
parents: 9757
diff changeset
88 int registerReferenceMapBitCount, int returnAddressSize) {
3733
e233f5660da4 Added Java files from Maxine project.
Thomas Wuerthinger <thomas.wuerthinger@oracle.com>
parents:
diff changeset
89 this.name = name;
e233f5660da4 Added Java files from Maxine project.
Thomas Wuerthinger <thomas.wuerthinger@oracle.com>
parents:
diff changeset
90 this.registers = registers;
e233f5660da4 Added Java files from Maxine project.
Thomas Wuerthinger <thomas.wuerthinger@oracle.com>
parents:
diff changeset
91 this.wordSize = wordSize;
e233f5660da4 Added Java files from Maxine project.
Thomas Wuerthinger <thomas.wuerthinger@oracle.com>
parents:
diff changeset
92 this.byteOrder = byteOrder;
10898
ea308a63760b added unalignedMemoryAccess to Architecture
twisti
parents: 9757
diff changeset
93 this.unalignedMemoryAccess = unalignedMemoryAccess;
3733
e233f5660da4 Added Java files from Maxine project.
Thomas Wuerthinger <thomas.wuerthinger@oracle.com>
parents:
diff changeset
94 this.implicitMemoryBarriers = implicitMemoryBarriers;
e233f5660da4 Added Java files from Maxine project.
Thomas Wuerthinger <thomas.wuerthinger@oracle.com>
parents:
diff changeset
95 this.machineCodeCallDisplacementOffset = nativeCallDisplacementOffset;
e233f5660da4 Added Java files from Maxine project.
Thomas Wuerthinger <thomas.wuerthinger@oracle.com>
parents:
diff changeset
96 this.registerReferenceMapBitCount = registerReferenceMapBitCount;
e233f5660da4 Added Java files from Maxine project.
Thomas Wuerthinger <thomas.wuerthinger@oracle.com>
parents:
diff changeset
97 this.returnAddressSize = returnAddressSize;
e233f5660da4 Added Java files from Maxine project.
Thomas Wuerthinger <thomas.wuerthinger@oracle.com>
parents:
diff changeset
98 }
e233f5660da4 Added Java files from Maxine project.
Thomas Wuerthinger <thomas.wuerthinger@oracle.com>
parents:
diff changeset
99
e233f5660da4 Added Java files from Maxine project.
Thomas Wuerthinger <thomas.wuerthinger@oracle.com>
parents:
diff changeset
100 /**
e233f5660da4 Added Java files from Maxine project.
Thomas Wuerthinger <thomas.wuerthinger@oracle.com>
parents:
diff changeset
101 * Converts this architecture to a string.
7530
5e3d1a68664e applied mx eclipseformat to all Java files
Doug Simon <doug.simon@oracle.com>
parents: 6582
diff changeset
102 *
3733
e233f5660da4 Added Java files from Maxine project.
Thomas Wuerthinger <thomas.wuerthinger@oracle.com>
parents:
diff changeset
103 * @return the string representation of this architecture
e233f5660da4 Added Java files from Maxine project.
Thomas Wuerthinger <thomas.wuerthinger@oracle.com>
parents:
diff changeset
104 */
e233f5660da4 Added Java files from Maxine project.
Thomas Wuerthinger <thomas.wuerthinger@oracle.com>
parents:
diff changeset
105 @Override
e233f5660da4 Added Java files from Maxine project.
Thomas Wuerthinger <thomas.wuerthinger@oracle.com>
parents:
diff changeset
106 public final String toString() {
6582
cc32ce37eddc deleted Architecture.twoOperandMode() and encapsulated all public fields in Architecture with getters
Doug Simon <doug.simon@oracle.com>
parents: 6581
diff changeset
107 return getName().toLowerCase();
cc32ce37eddc deleted Architecture.twoOperandMode() and encapsulated all public fields in Architecture with getters
Doug Simon <doug.simon@oracle.com>
parents: 6581
diff changeset
108 }
cc32ce37eddc deleted Architecture.twoOperandMode() and encapsulated all public fields in Architecture with getters
Doug Simon <doug.simon@oracle.com>
parents: 6581
diff changeset
109
cc32ce37eddc deleted Architecture.twoOperandMode() and encapsulated all public fields in Architecture with getters
Doug Simon <doug.simon@oracle.com>
parents: 6581
diff changeset
110 public int getRegisterReferenceMapBitCount() {
cc32ce37eddc deleted Architecture.twoOperandMode() and encapsulated all public fields in Architecture with getters
Doug Simon <doug.simon@oracle.com>
parents: 6581
diff changeset
111 return registerReferenceMapBitCount;
3733
e233f5660da4 Added Java files from Maxine project.
Thomas Wuerthinger <thomas.wuerthinger@oracle.com>
parents:
diff changeset
112 }
e233f5660da4 Added Java files from Maxine project.
Thomas Wuerthinger <thomas.wuerthinger@oracle.com>
parents:
diff changeset
113
e233f5660da4 Added Java files from Maxine project.
Thomas Wuerthinger <thomas.wuerthinger@oracle.com>
parents:
diff changeset
114 /**
7530
5e3d1a68664e applied mx eclipseformat to all Java files
Doug Simon <doug.simon@oracle.com>
parents: 6582
diff changeset
115 * Gets the natural size of words (typically registers and pointers) of this architecture, in
5e3d1a68664e applied mx eclipseformat to all Java files
Doug Simon <doug.simon@oracle.com>
parents: 6582
diff changeset
116 * bytes.
3733
e233f5660da4 Added Java files from Maxine project.
Thomas Wuerthinger <thomas.wuerthinger@oracle.com>
parents:
diff changeset
117 */
6582
cc32ce37eddc deleted Architecture.twoOperandMode() and encapsulated all public fields in Architecture with getters
Doug Simon <doug.simon@oracle.com>
parents: 6581
diff changeset
118 public int getWordSize() {
cc32ce37eddc deleted Architecture.twoOperandMode() and encapsulated all public fields in Architecture with getters
Doug Simon <doug.simon@oracle.com>
parents: 6581
diff changeset
119 return wordSize;
cc32ce37eddc deleted Architecture.twoOperandMode() and encapsulated all public fields in Architecture with getters
Doug Simon <doug.simon@oracle.com>
parents: 6581
diff changeset
120 }
cc32ce37eddc deleted Architecture.twoOperandMode() and encapsulated all public fields in Architecture with getters
Doug Simon <doug.simon@oracle.com>
parents: 6581
diff changeset
121
cc32ce37eddc deleted Architecture.twoOperandMode() and encapsulated all public fields in Architecture with getters
Doug Simon <doug.simon@oracle.com>
parents: 6581
diff changeset
122 /**
cc32ce37eddc deleted Architecture.twoOperandMode() and encapsulated all public fields in Architecture with getters
Doug Simon <doug.simon@oracle.com>
parents: 6581
diff changeset
123 * Gets the name of this architecture.
cc32ce37eddc deleted Architecture.twoOperandMode() and encapsulated all public fields in Architecture with getters
Doug Simon <doug.simon@oracle.com>
parents: 6581
diff changeset
124 */
cc32ce37eddc deleted Architecture.twoOperandMode() and encapsulated all public fields in Architecture with getters
Doug Simon <doug.simon@oracle.com>
parents: 6581
diff changeset
125 public String getName() {
cc32ce37eddc deleted Architecture.twoOperandMode() and encapsulated all public fields in Architecture with getters
Doug Simon <doug.simon@oracle.com>
parents: 6581
diff changeset
126 return name;
3733
e233f5660da4 Added Java files from Maxine project.
Thomas Wuerthinger <thomas.wuerthinger@oracle.com>
parents:
diff changeset
127 }
e233f5660da4 Added Java files from Maxine project.
Thomas Wuerthinger <thomas.wuerthinger@oracle.com>
parents:
diff changeset
128
e233f5660da4 Added Java files from Maxine project.
Thomas Wuerthinger <thomas.wuerthinger@oracle.com>
parents:
diff changeset
129 /**
7530
5e3d1a68664e applied mx eclipseformat to all Java files
Doug Simon <doug.simon@oracle.com>
parents: 6582
diff changeset
130 * Gets an array of all available registers on this architecture. The index of each register in
5e3d1a68664e applied mx eclipseformat to all Java files
Doug Simon <doug.simon@oracle.com>
parents: 6582
diff changeset
131 * this array is equal to its {@linkplain Register#number number}.
3733
e233f5660da4 Added Java files from Maxine project.
Thomas Wuerthinger <thomas.wuerthinger@oracle.com>
parents:
diff changeset
132 */
6582
cc32ce37eddc deleted Architecture.twoOperandMode() and encapsulated all public fields in Architecture with getters
Doug Simon <doug.simon@oracle.com>
parents: 6581
diff changeset
133 public Register[] getRegisters() {
cc32ce37eddc deleted Architecture.twoOperandMode() and encapsulated all public fields in Architecture with getters
Doug Simon <doug.simon@oracle.com>
parents: 6581
diff changeset
134 return registers.clone();
cc32ce37eddc deleted Architecture.twoOperandMode() and encapsulated all public fields in Architecture with getters
Doug Simon <doug.simon@oracle.com>
parents: 6581
diff changeset
135 }
cc32ce37eddc deleted Architecture.twoOperandMode() and encapsulated all public fields in Architecture with getters
Doug Simon <doug.simon@oracle.com>
parents: 6581
diff changeset
136
cc32ce37eddc deleted Architecture.twoOperandMode() and encapsulated all public fields in Architecture with getters
Doug Simon <doug.simon@oracle.com>
parents: 6581
diff changeset
137 public ByteOrder getByteOrder() {
cc32ce37eddc deleted Architecture.twoOperandMode() and encapsulated all public fields in Architecture with getters
Doug Simon <doug.simon@oracle.com>
parents: 6581
diff changeset
138 return byteOrder;
cc32ce37eddc deleted Architecture.twoOperandMode() and encapsulated all public fields in Architecture with getters
Doug Simon <doug.simon@oracle.com>
parents: 6581
diff changeset
139 }
cc32ce37eddc deleted Architecture.twoOperandMode() and encapsulated all public fields in Architecture with getters
Doug Simon <doug.simon@oracle.com>
parents: 6581
diff changeset
140
cc32ce37eddc deleted Architecture.twoOperandMode() and encapsulated all public fields in Architecture with getters
Doug Simon <doug.simon@oracle.com>
parents: 6581
diff changeset
141 /**
10898
ea308a63760b added unalignedMemoryAccess to Architecture
twisti
parents: 9757
diff changeset
142 * @return true if the architecture supports unaligned memory accesses.
ea308a63760b added unalignedMemoryAccess to Architecture
twisti
parents: 9757
diff changeset
143 */
ea308a63760b added unalignedMemoryAccess to Architecture
twisti
parents: 9757
diff changeset
144 public boolean supportsUnalignedMemoryAccess() {
ea308a63760b added unalignedMemoryAccess to Architecture
twisti
parents: 9757
diff changeset
145 return unalignedMemoryAccess;
ea308a63760b added unalignedMemoryAccess to Architecture
twisti
parents: 9757
diff changeset
146 }
ea308a63760b added unalignedMemoryAccess to Architecture
twisti
parents: 9757
diff changeset
147
ea308a63760b added unalignedMemoryAccess to Architecture
twisti
parents: 9757
diff changeset
148 /**
7530
5e3d1a68664e applied mx eclipseformat to all Java files
Doug Simon <doug.simon@oracle.com>
parents: 6582
diff changeset
149 * Gets the size of the return address pushed to the stack by a call instruction. A value of 0
5e3d1a68664e applied mx eclipseformat to all Java files
Doug Simon <doug.simon@oracle.com>
parents: 6582
diff changeset
150 * denotes that call linkage uses registers instead.
6582
cc32ce37eddc deleted Architecture.twoOperandMode() and encapsulated all public fields in Architecture with getters
Doug Simon <doug.simon@oracle.com>
parents: 6581
diff changeset
151 */
cc32ce37eddc deleted Architecture.twoOperandMode() and encapsulated all public fields in Architecture with getters
Doug Simon <doug.simon@oracle.com>
parents: 6581
diff changeset
152 public int getReturnAddressSize() {
cc32ce37eddc deleted Architecture.twoOperandMode() and encapsulated all public fields in Architecture with getters
Doug Simon <doug.simon@oracle.com>
parents: 6581
diff changeset
153 return returnAddressSize;
cc32ce37eddc deleted Architecture.twoOperandMode() and encapsulated all public fields in Architecture with getters
Doug Simon <doug.simon@oracle.com>
parents: 6581
diff changeset
154 }
cc32ce37eddc deleted Architecture.twoOperandMode() and encapsulated all public fields in Architecture with getters
Doug Simon <doug.simon@oracle.com>
parents: 6581
diff changeset
155
cc32ce37eddc deleted Architecture.twoOperandMode() and encapsulated all public fields in Architecture with getters
Doug Simon <doug.simon@oracle.com>
parents: 6581
diff changeset
156 /**
cc32ce37eddc deleted Architecture.twoOperandMode() and encapsulated all public fields in Architecture with getters
Doug Simon <doug.simon@oracle.com>
parents: 6581
diff changeset
157 * Gets the offset in bytes from the beginning of a call instruction to the displacement.
3733
e233f5660da4 Added Java files from Maxine project.
Thomas Wuerthinger <thomas.wuerthinger@oracle.com>
parents:
diff changeset
158 */
6582
cc32ce37eddc deleted Architecture.twoOperandMode() and encapsulated all public fields in Architecture with getters
Doug Simon <doug.simon@oracle.com>
parents: 6581
diff changeset
159 public int getMachineCodeCallDisplacementOffset() {
cc32ce37eddc deleted Architecture.twoOperandMode() and encapsulated all public fields in Architecture with getters
Doug Simon <doug.simon@oracle.com>
parents: 6581
diff changeset
160 return machineCodeCallDisplacementOffset;
cc32ce37eddc deleted Architecture.twoOperandMode() and encapsulated all public fields in Architecture with getters
Doug Simon <doug.simon@oracle.com>
parents: 6581
diff changeset
161 }
cc32ce37eddc deleted Architecture.twoOperandMode() and encapsulated all public fields in Architecture with getters
Doug Simon <doug.simon@oracle.com>
parents: 6581
diff changeset
162
cc32ce37eddc deleted Architecture.twoOperandMode() and encapsulated all public fields in Architecture with getters
Doug Simon <doug.simon@oracle.com>
parents: 6581
diff changeset
163 /**
7530
5e3d1a68664e applied mx eclipseformat to all Java files
Doug Simon <doug.simon@oracle.com>
parents: 6582
diff changeset
164 * Determines the barriers in a given barrier mask that are explicitly required on this
5e3d1a68664e applied mx eclipseformat to all Java files
Doug Simon <doug.simon@oracle.com>
parents: 6582
diff changeset
165 * architecture.
5e3d1a68664e applied mx eclipseformat to all Java files
Doug Simon <doug.simon@oracle.com>
parents: 6582
diff changeset
166 *
6582
cc32ce37eddc deleted Architecture.twoOperandMode() and encapsulated all public fields in Architecture with getters
Doug Simon <doug.simon@oracle.com>
parents: 6581
diff changeset
167 * @param barriers a mask of the barrier constants
cc32ce37eddc deleted Architecture.twoOperandMode() and encapsulated all public fields in Architecture with getters
Doug Simon <doug.simon@oracle.com>
parents: 6581
diff changeset
168 * @return the value of {@code barriers} minus the barriers unnecessary on this architecture
cc32ce37eddc deleted Architecture.twoOperandMode() and encapsulated all public fields in Architecture with getters
Doug Simon <doug.simon@oracle.com>
parents: 6581
diff changeset
169 */
cc32ce37eddc deleted Architecture.twoOperandMode() and encapsulated all public fields in Architecture with getters
Doug Simon <doug.simon@oracle.com>
parents: 6581
diff changeset
170 public final int requiredBarriers(int barriers) {
cc32ce37eddc deleted Architecture.twoOperandMode() and encapsulated all public fields in Architecture with getters
Doug Simon <doug.simon@oracle.com>
parents: 6581
diff changeset
171 return barriers & ~implicitMemoryBarriers;
cc32ce37eddc deleted Architecture.twoOperandMode() and encapsulated all public fields in Architecture with getters
Doug Simon <doug.simon@oracle.com>
parents: 6581
diff changeset
172 }
9189
0331f7512be2 CPU capability detection.
Roland Schatz <roland.schatz@oracle.com>
parents: 7889
diff changeset
173
0331f7512be2 CPU capability detection.
Roland Schatz <roland.schatz@oracle.com>
parents: 7889
diff changeset
174 /**
9423
3426008293e7 Move getSizeInBytes method to Architecture class.
Roland Schatz <roland.schatz@oracle.com>
parents: 9189
diff changeset
175 * Gets the size in bytes of the specified kind for this target.
3426008293e7 Move getSizeInBytes method to Architecture class.
Roland Schatz <roland.schatz@oracle.com>
parents: 9189
diff changeset
176 *
3426008293e7 Move getSizeInBytes method to Architecture class.
Roland Schatz <roland.schatz@oracle.com>
parents: 9189
diff changeset
177 * @param kind the kind for which to get the size
3426008293e7 Move getSizeInBytes method to Architecture class.
Roland Schatz <roland.schatz@oracle.com>
parents: 9189
diff changeset
178 *
3426008293e7 Move getSizeInBytes method to Architecture class.
Roland Schatz <roland.schatz@oracle.com>
parents: 9189
diff changeset
179 * @return the size in bytes of {@code kind}
3426008293e7 Move getSizeInBytes method to Architecture class.
Roland Schatz <roland.schatz@oracle.com>
parents: 9189
diff changeset
180 */
3426008293e7 Move getSizeInBytes method to Architecture class.
Roland Schatz <roland.schatz@oracle.com>
parents: 9189
diff changeset
181 public int getSizeInBytes(PlatformKind kind) {
3426008293e7 Move getSizeInBytes method to Architecture class.
Roland Schatz <roland.schatz@oracle.com>
parents: 9189
diff changeset
182 switch ((Kind) kind) {
3426008293e7 Move getSizeInBytes method to Architecture class.
Roland Schatz <roland.schatz@oracle.com>
parents: 9189
diff changeset
183 case Boolean:
3426008293e7 Move getSizeInBytes method to Architecture class.
Roland Schatz <roland.schatz@oracle.com>
parents: 9189
diff changeset
184 return 1;
3426008293e7 Move getSizeInBytes method to Architecture class.
Roland Schatz <roland.schatz@oracle.com>
parents: 9189
diff changeset
185 case Byte:
3426008293e7 Move getSizeInBytes method to Architecture class.
Roland Schatz <roland.schatz@oracle.com>
parents: 9189
diff changeset
186 return 1;
3426008293e7 Move getSizeInBytes method to Architecture class.
Roland Schatz <roland.schatz@oracle.com>
parents: 9189
diff changeset
187 case Char:
3426008293e7 Move getSizeInBytes method to Architecture class.
Roland Schatz <roland.schatz@oracle.com>
parents: 9189
diff changeset
188 return 2;
3426008293e7 Move getSizeInBytes method to Architecture class.
Roland Schatz <roland.schatz@oracle.com>
parents: 9189
diff changeset
189 case Short:
3426008293e7 Move getSizeInBytes method to Architecture class.
Roland Schatz <roland.schatz@oracle.com>
parents: 9189
diff changeset
190 return 2;
3426008293e7 Move getSizeInBytes method to Architecture class.
Roland Schatz <roland.schatz@oracle.com>
parents: 9189
diff changeset
191 case Int:
3426008293e7 Move getSizeInBytes method to Architecture class.
Roland Schatz <roland.schatz@oracle.com>
parents: 9189
diff changeset
192 return 4;
3426008293e7 Move getSizeInBytes method to Architecture class.
Roland Schatz <roland.schatz@oracle.com>
parents: 9189
diff changeset
193 case Long:
3426008293e7 Move getSizeInBytes method to Architecture class.
Roland Schatz <roland.schatz@oracle.com>
parents: 9189
diff changeset
194 return 8;
3426008293e7 Move getSizeInBytes method to Architecture class.
Roland Schatz <roland.schatz@oracle.com>
parents: 9189
diff changeset
195 case Float:
3426008293e7 Move getSizeInBytes method to Architecture class.
Roland Schatz <roland.schatz@oracle.com>
parents: 9189
diff changeset
196 return 4;
3426008293e7 Move getSizeInBytes method to Architecture class.
Roland Schatz <roland.schatz@oracle.com>
parents: 9189
diff changeset
197 case Double:
3426008293e7 Move getSizeInBytes method to Architecture class.
Roland Schatz <roland.schatz@oracle.com>
parents: 9189
diff changeset
198 return 8;
3426008293e7 Move getSizeInBytes method to Architecture class.
Roland Schatz <roland.schatz@oracle.com>
parents: 9189
diff changeset
199 case Object:
3426008293e7 Move getSizeInBytes method to Architecture class.
Roland Schatz <roland.schatz@oracle.com>
parents: 9189
diff changeset
200 return wordSize;
3426008293e7 Move getSizeInBytes method to Architecture class.
Roland Schatz <roland.schatz@oracle.com>
parents: 9189
diff changeset
201 default:
3426008293e7 Move getSizeInBytes method to Architecture class.
Roland Schatz <roland.schatz@oracle.com>
parents: 9189
diff changeset
202 return 0;
3426008293e7 Move getSizeInBytes method to Architecture class.
Roland Schatz <roland.schatz@oracle.com>
parents: 9189
diff changeset
203 }
3426008293e7 Move getSizeInBytes method to Architecture class.
Roland Schatz <roland.schatz@oracle.com>
parents: 9189
diff changeset
204 }
9425
3ec29630cfb4 Use register categories instead of register flags.
Roland Schatz <roland.schatz@oracle.com>
parents: 9423
diff changeset
205
9677
1d9ab4f497ac Javadoc comments.
Roland Schatz <roland.schatz@oracle.com>
parents: 9425
diff changeset
206 /**
1d9ab4f497ac Javadoc comments.
Roland Schatz <roland.schatz@oracle.com>
parents: 9425
diff changeset
207 * Determine whether a kind can be stored in a register of a given category.
1d9ab4f497ac Javadoc comments.
Roland Schatz <roland.schatz@oracle.com>
parents: 9425
diff changeset
208 *
1d9ab4f497ac Javadoc comments.
Roland Schatz <roland.schatz@oracle.com>
parents: 9425
diff changeset
209 * @param category the category of the register
1d9ab4f497ac Javadoc comments.
Roland Schatz <roland.schatz@oracle.com>
parents: 9425
diff changeset
210 * @param kind the kind that should be stored in the register
1d9ab4f497ac Javadoc comments.
Roland Schatz <roland.schatz@oracle.com>
parents: 9425
diff changeset
211 */
9425
3ec29630cfb4 Use register categories instead of register flags.
Roland Schatz <roland.schatz@oracle.com>
parents: 9423
diff changeset
212 public abstract boolean canStoreValue(RegisterCategory category, PlatformKind kind);
3ec29630cfb4 Use register categories instead of register flags.
Roland Schatz <roland.schatz@oracle.com>
parents: 9423
diff changeset
213
9677
1d9ab4f497ac Javadoc comments.
Roland Schatz <roland.schatz@oracle.com>
parents: 9425
diff changeset
214 /**
1d9ab4f497ac Javadoc comments.
Roland Schatz <roland.schatz@oracle.com>
parents: 9425
diff changeset
215 * Return the largest kind that can be stored in a register of a given category.
1d9ab4f497ac Javadoc comments.
Roland Schatz <roland.schatz@oracle.com>
parents: 9425
diff changeset
216 *
1d9ab4f497ac Javadoc comments.
Roland Schatz <roland.schatz@oracle.com>
parents: 9425
diff changeset
217 * @param category the category of the register
1d9ab4f497ac Javadoc comments.
Roland Schatz <roland.schatz@oracle.com>
parents: 9425
diff changeset
218 * @return the largest kind that can be stored in a register {@code category}
1d9ab4f497ac Javadoc comments.
Roland Schatz <roland.schatz@oracle.com>
parents: 9425
diff changeset
219 */
9425
3ec29630cfb4 Use register categories instead of register flags.
Roland Schatz <roland.schatz@oracle.com>
parents: 9423
diff changeset
220 public abstract PlatformKind getLargestStorableKind(RegisterCategory category);
3733
e233f5660da4 Added Java files from Maxine project.
Thomas Wuerthinger <thomas.wuerthinger@oracle.com>
parents:
diff changeset
221 }