Mercurial > hg > graal-compiler
annotate agent/src/share/classes/sun/jvm/hotspot/debugger/amd64/AMD64ThreadContext.java @ 6641:a9fed06c01d2
7154641: Servicability agent should work on platforms other than x86, sparc
Summary: Added capability to load support classes for other cpus
Reviewed-by: coleenp, bobv, sla
Contributed-by: Bill Pittore <bill.pittore@oracle.com>
| author | bpittore |
|---|---|
| date | Thu, 30 Aug 2012 11:20:01 -0400 |
| parents | c18cbe5936b8 |
| children | fac3dd92ebaf |
| rev | line source |
|---|---|
| 0 | 1 /* |
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2 * Copyright (c) 2003, 2004, Oracle and/or its affiliates. All rights reserved. |
| 0 | 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 * | |
|
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19 * Please contact Oracle, 500 Oracle Parkway, Redwood Shores, CA 94065 USA |
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20 * or visit www.oracle.com if you need additional information or have any |
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21 * questions. |
| 0 | 22 * |
| 23 */ | |
| 24 | |
| 25 package sun.jvm.hotspot.debugger.amd64; | |
| 26 | |
| 27 import sun.jvm.hotspot.debugger.*; | |
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28 import sun.jvm.hotspot.debugger.cdbg.*; |
| 0 | 29 |
| 30 /** Specifies the thread context on amd64 platforms; only a sub-portion | |
| 31 * of the context is guaranteed to be present on all operating | |
| 32 * systems. */ | |
| 33 | |
| 34 public abstract class AMD64ThreadContext implements ThreadContext { | |
| 35 // Taken from /usr/include/sys/regset.h on Solaris/AMD64. | |
| 36 | |
| 37 // NOTE: the indices for the various registers must be maintained as | |
| 38 // listed across various operating systems. However, only a small | |
| 39 // subset of the registers' values are guaranteed to be present (and | |
| 40 // must be present for the SA's stack walking to work) | |
| 41 | |
| 42 public static final int R15 = 0; | |
| 43 public static final int R14 = 1; | |
| 44 public static final int R13 = 2; | |
| 45 public static final int R12 = 3; | |
| 46 public static final int R11 = 4; | |
| 47 public static final int R10 = 5; | |
| 48 public static final int R9 = 6; | |
| 49 public static final int R8 = 7; | |
| 50 public static final int RDI = 8; | |
| 51 public static final int RSI = 9; | |
| 52 public static final int RBP = 10; | |
| 53 public static final int RBX = 11; | |
| 54 public static final int RDX = 12; | |
| 55 public static final int RCX = 13; | |
| 56 public static final int RAX = 14; | |
| 57 public static final int TRAPNO = 15; | |
| 58 public static final int ERR = 16; | |
| 59 public static final int RIP = 17; | |
| 60 public static final int CS = 18; | |
| 61 public static final int RFL = 19; | |
| 62 public static final int RSP = 20; | |
| 63 public static final int SS = 21; | |
| 64 public static final int FS = 22; | |
| 65 public static final int GS = 23; | |
| 66 public static final int ES = 24; | |
| 67 public static final int DS = 25; | |
| 68 public static final int FSBASE = 26; | |
| 69 public static final int GSBASE = 27; | |
| 70 | |
| 71 public static final int NPRGREG = 28; | |
| 72 | |
| 73 private static final String[] regNames = { | |
| 74 "r15", "r14", "r13", "r12", "r11", "r10", "r9", "r8", | |
| 75 "rdi", "rsi", "rbp", "rbx", "rdx", "rcx", "rax", "trapno", | |
| 76 "err", "rip", "cs", "rfl", "rsp", "ss", "fs", "gs", | |
| 77 "es", "ds", "fsbase", "gsbase" | |
| 78 }; | |
| 79 | |
| 80 private long[] data; | |
| 81 | |
| 82 public AMD64ThreadContext() { | |
| 83 data = new long[NPRGREG]; | |
| 84 } | |
| 85 | |
| 86 public int getNumRegisters() { | |
| 87 return NPRGREG; | |
| 88 } | |
| 89 | |
| 90 public String getRegisterName(int index) { | |
| 91 return regNames[index]; | |
| 92 } | |
| 93 | |
| 94 public void setRegister(int index, long value) { | |
| 95 data[index] = value; | |
| 96 } | |
| 97 | |
| 98 public long getRegister(int index) { | |
| 99 return data[index]; | |
| 100 } | |
| 101 | |
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102 public CFrame getTopFrame(Debugger dbg) { |
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103 return null; |
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104 } |
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105 |
| 0 | 106 /** This can't be implemented in this class since we would have to |
| 107 * tie the implementation to, for example, the debugging system */ | |
| 108 public abstract void setRegisterAsAddress(int index, Address value); | |
| 109 | |
| 110 /** This can't be implemented in this class since we would have to | |
| 111 * tie the implementation to, for example, the debugging system */ | |
| 112 public abstract Address getRegisterAsAddress(int index); | |
| 113 } |