Mercurial > hg > truffle
annotate graal/com.oracle.graal.hotspot.amd64/src/com/oracle/graal/hotspot/amd64/AMD64SafepointOp.java @ 10913:19a7856e3ab9
remove SafepointPollOffset
author | twisti |
---|---|
date | Tue, 30 Jul 2013 16:15:01 -0700 |
parents | 063a712fe8d8 |
children |
rev | line source |
---|---|
5236
f9aae727d035
removed XIR safepoint operation
Doug Simon <doug.simon@oracle.com>
parents:
diff
changeset
|
1 /* |
f9aae727d035
removed XIR safepoint operation
Doug Simon <doug.simon@oracle.com>
parents:
diff
changeset
|
2 * Copyright (c) 2011, 2012, Oracle and/or its affiliates. All rights reserved. |
f9aae727d035
removed XIR safepoint operation
Doug Simon <doug.simon@oracle.com>
parents:
diff
changeset
|
3 * DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER. |
f9aae727d035
removed XIR safepoint operation
Doug Simon <doug.simon@oracle.com>
parents:
diff
changeset
|
4 * |
f9aae727d035
removed XIR safepoint operation
Doug Simon <doug.simon@oracle.com>
parents:
diff
changeset
|
5 * This code is free software; you can redistribute it and/or modify it |
f9aae727d035
removed XIR safepoint operation
Doug Simon <doug.simon@oracle.com>
parents:
diff
changeset
|
6 * under the terms of the GNU General Public License version 2 only, as |
f9aae727d035
removed XIR safepoint operation
Doug Simon <doug.simon@oracle.com>
parents:
diff
changeset
|
7 * published by the Free Software Foundation. |
f9aae727d035
removed XIR safepoint operation
Doug Simon <doug.simon@oracle.com>
parents:
diff
changeset
|
8 * |
f9aae727d035
removed XIR safepoint operation
Doug Simon <doug.simon@oracle.com>
parents:
diff
changeset
|
9 * This code is distributed in the hope that it will be useful, but WITHOUT |
f9aae727d035
removed XIR safepoint operation
Doug Simon <doug.simon@oracle.com>
parents:
diff
changeset
|
10 * ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or |
f9aae727d035
removed XIR safepoint operation
Doug Simon <doug.simon@oracle.com>
parents:
diff
changeset
|
11 * FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License |
f9aae727d035
removed XIR safepoint operation
Doug Simon <doug.simon@oracle.com>
parents:
diff
changeset
|
12 * version 2 for more details (a copy is included in the LICENSE file that |
f9aae727d035
removed XIR safepoint operation
Doug Simon <doug.simon@oracle.com>
parents:
diff
changeset
|
13 * accompanied this code). |
f9aae727d035
removed XIR safepoint operation
Doug Simon <doug.simon@oracle.com>
parents:
diff
changeset
|
14 * |
f9aae727d035
removed XIR safepoint operation
Doug Simon <doug.simon@oracle.com>
parents:
diff
changeset
|
15 * You should have received a copy of the GNU General Public License version |
f9aae727d035
removed XIR safepoint operation
Doug Simon <doug.simon@oracle.com>
parents:
diff
changeset
|
16 * 2 along with this work; if not, write to the Free Software Foundation, |
f9aae727d035
removed XIR safepoint operation
Doug Simon <doug.simon@oracle.com>
parents:
diff
changeset
|
17 * Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA. |
f9aae727d035
removed XIR safepoint operation
Doug Simon <doug.simon@oracle.com>
parents:
diff
changeset
|
18 * |
f9aae727d035
removed XIR safepoint operation
Doug Simon <doug.simon@oracle.com>
parents:
diff
changeset
|
19 * Please contact Oracle, 500 Oracle Parkway, Redwood Shores, CA 94065 USA |
f9aae727d035
removed XIR safepoint operation
Doug Simon <doug.simon@oracle.com>
parents:
diff
changeset
|
20 * or visit www.oracle.com if you need additional information or have any |
f9aae727d035
removed XIR safepoint operation
Doug Simon <doug.simon@oracle.com>
parents:
diff
changeset
|
21 * questions. |
f9aae727d035
removed XIR safepoint operation
Doug Simon <doug.simon@oracle.com>
parents:
diff
changeset
|
22 */ |
6495
75f130f2b30f
moved AMD64 specific HotSpot code in com.oracle.graal.hotspot.amd64 project
Doug Simon <doug.simon@oracle.com>
parents:
6493
diff
changeset
|
23 package com.oracle.graal.hotspot.amd64; |
5236
f9aae727d035
removed XIR safepoint operation
Doug Simon <doug.simon@oracle.com>
parents:
diff
changeset
|
24 |
6580
d56d600819fe
moved AMD64 into its own (new) project: com.oracle.graal.amd64
Doug Simon <doug.simon@oracle.com>
parents:
6531
diff
changeset
|
25 import static com.oracle.graal.amd64.AMD64.*; |
5236
f9aae727d035
removed XIR safepoint operation
Doug Simon <doug.simon@oracle.com>
parents:
diff
changeset
|
26 |
5510
426c605c9d3c
Move cri.ci to api.code.
Thomas Wuerthinger <thomas.wuerthinger@oracle.com>
parents:
5236
diff
changeset
|
27 import com.oracle.graal.api.code.*; |
9294
899295127bc4
Get rid of the distinction between UNUSED and ILLEGAL value.
Roland Schatz <roland.schatz@oracle.com>
parents:
9003
diff
changeset
|
28 import com.oracle.graal.api.meta.*; |
6531
4afe23aa0a00
renamed packages: com.oracle.max.asm... -> com.oracle.graal.asm...
Doug Simon <doug.simon@oracle.com>
parents:
6495
diff
changeset
|
29 import com.oracle.graal.asm.amd64.*; |
5236
f9aae727d035
removed XIR safepoint operation
Doug Simon <doug.simon@oracle.com>
parents:
diff
changeset
|
30 import com.oracle.graal.hotspot.*; |
6462 | 31 import com.oracle.graal.hotspot.bridge.*; |
5236
f9aae727d035
removed XIR safepoint operation
Doug Simon <doug.simon@oracle.com>
parents:
diff
changeset
|
32 import com.oracle.graal.lir.*; |
f9aae727d035
removed XIR safepoint operation
Doug Simon <doug.simon@oracle.com>
parents:
diff
changeset
|
33 import com.oracle.graal.lir.amd64.*; |
f9aae727d035
removed XIR safepoint operation
Doug Simon <doug.simon@oracle.com>
parents:
diff
changeset
|
34 import com.oracle.graal.lir.asm.*; |
7938
24e93ac47e95
Allocate temporary register for safepoint operation instead of using scratch register.
Thomas Wuerthinger <thomas.wuerthinger@oracle.com>
parents:
7841
diff
changeset
|
35 import com.oracle.graal.nodes.spi.*; |
5236
f9aae727d035
removed XIR safepoint operation
Doug Simon <doug.simon@oracle.com>
parents:
diff
changeset
|
36 |
f9aae727d035
removed XIR safepoint operation
Doug Simon <doug.simon@oracle.com>
parents:
diff
changeset
|
37 /** |
f9aae727d035
removed XIR safepoint operation
Doug Simon <doug.simon@oracle.com>
parents:
diff
changeset
|
38 * Emits a safepoint poll. |
f9aae727d035
removed XIR safepoint operation
Doug Simon <doug.simon@oracle.com>
parents:
diff
changeset
|
39 */ |
5733
141b15521a39
use annotated fields for operands of LIR instructions
Christian Wimmer <christian.wimmer@oracle.com>
parents:
5548
diff
changeset
|
40 @Opcode("SAFEPOINT") |
5236
f9aae727d035
removed XIR safepoint operation
Doug Simon <doug.simon@oracle.com>
parents:
diff
changeset
|
41 public class AMD64SafepointOp extends AMD64LIRInstruction { |
7530
5e3d1a68664e
applied mx eclipseformat to all Java files
Doug Simon <doug.simon@oracle.com>
parents:
7154
diff
changeset
|
42 |
5733
141b15521a39
use annotated fields for operands of LIR instructions
Christian Wimmer <christian.wimmer@oracle.com>
parents:
5548
diff
changeset
|
43 @State protected LIRFrameState state; |
7938
24e93ac47e95
Allocate temporary register for safepoint operation instead of using scratch register.
Thomas Wuerthinger <thomas.wuerthinger@oracle.com>
parents:
7841
diff
changeset
|
44 @Temp({OperandFlag.REG}) private AllocatableValue temp; |
5236
f9aae727d035
removed XIR safepoint operation
Doug Simon <doug.simon@oracle.com>
parents:
diff
changeset
|
45 |
f9aae727d035
removed XIR safepoint operation
Doug Simon <doug.simon@oracle.com>
parents:
diff
changeset
|
46 private final HotSpotVMConfig config; |
f9aae727d035
removed XIR safepoint operation
Doug Simon <doug.simon@oracle.com>
parents:
diff
changeset
|
47 |
7938
24e93ac47e95
Allocate temporary register for safepoint operation instead of using scratch register.
Thomas Wuerthinger <thomas.wuerthinger@oracle.com>
parents:
7841
diff
changeset
|
48 public AMD64SafepointOp(LIRFrameState state, HotSpotVMConfig config, LIRGeneratorTool tool) { |
5733
141b15521a39
use annotated fields for operands of LIR instructions
Christian Wimmer <christian.wimmer@oracle.com>
parents:
5548
diff
changeset
|
49 this.state = state; |
5236
f9aae727d035
removed XIR safepoint operation
Doug Simon <doug.simon@oracle.com>
parents:
diff
changeset
|
50 this.config = config; |
7938
24e93ac47e95
Allocate temporary register for safepoint operation instead of using scratch register.
Thomas Wuerthinger <thomas.wuerthinger@oracle.com>
parents:
7841
diff
changeset
|
51 temp = tool.newVariable(tool.target().wordKind); |
5236
f9aae727d035
removed XIR safepoint operation
Doug Simon <doug.simon@oracle.com>
parents:
diff
changeset
|
52 } |
f9aae727d035
removed XIR safepoint operation
Doug Simon <doug.simon@oracle.com>
parents:
diff
changeset
|
53 |
f9aae727d035
removed XIR safepoint operation
Doug Simon <doug.simon@oracle.com>
parents:
diff
changeset
|
54 @Override |
f9aae727d035
removed XIR safepoint operation
Doug Simon <doug.simon@oracle.com>
parents:
diff
changeset
|
55 public void emitCode(TargetMethodAssembler tasm, AMD64MacroAssembler asm) { |
10913 | 56 final int pos = asm.codeBuffer.position(); |
7938
24e93ac47e95
Allocate temporary register for safepoint operation instead of using scratch register.
Thomas Wuerthinger <thomas.wuerthinger@oracle.com>
parents:
7841
diff
changeset
|
57 RegisterValue scratch = (RegisterValue) temp; |
5236
f9aae727d035
removed XIR safepoint operation
Doug Simon <doug.simon@oracle.com>
parents:
diff
changeset
|
58 if (config.isPollingPageFar) { |
10913 | 59 asm.movq(scratch.getRegister(), config.safepointPollingAddress); |
6462 | 60 tasm.recordMark(Marks.MARK_POLL_FAR); |
9003
a8fea2979e63
eager infopoint mode (fka debug mode)
Michael Haupt <michael.haupt@oracle.com>
parents:
8167
diff
changeset
|
61 tasm.recordInfopoint(pos, state, InfopointReason.SAFEPOINT); |
8167
7f57c30575c8
Make AMD64Address a low-level representation for use by the assembler only.
Roland Schatz <roland.schatz@oracle.com>
parents:
7938
diff
changeset
|
62 asm.movq(scratch.getRegister(), new AMD64Address(scratch.getRegister())); |
5236
f9aae727d035
removed XIR safepoint operation
Doug Simon <doug.simon@oracle.com>
parents:
diff
changeset
|
63 } else { |
6462 | 64 tasm.recordMark(Marks.MARK_POLL_NEAR); |
9003
a8fea2979e63
eager infopoint mode (fka debug mode)
Michael Haupt <michael.haupt@oracle.com>
parents:
8167
diff
changeset
|
65 tasm.recordInfopoint(pos, state, InfopointReason.SAFEPOINT); |
7154
5d0bb7d52783
changes to support Graal co-existing with the other HotSpot compiler(s) and being used for explicit compilation requests and code installation via the Graal API
Doug Simon <doug.simon@oracle.com>
parents:
6580
diff
changeset
|
66 // The C++ code transforms the polling page offset into an RIP displacement |
5d0bb7d52783
changes to support Graal co-existing with the other HotSpot compiler(s) and being used for explicit compilation requests and code installation via the Graal API
Doug Simon <doug.simon@oracle.com>
parents:
6580
diff
changeset
|
67 // to the real address at that offset in the polling page. |
10913 | 68 asm.movq(scratch.getRegister(), new AMD64Address(rip, 0)); |
5236
f9aae727d035
removed XIR safepoint operation
Doug Simon <doug.simon@oracle.com>
parents:
diff
changeset
|
69 } |
f9aae727d035
removed XIR safepoint operation
Doug Simon <doug.simon@oracle.com>
parents:
diff
changeset
|
70 } |
f9aae727d035
removed XIR safepoint operation
Doug Simon <doug.simon@oracle.com>
parents:
diff
changeset
|
71 } |