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agent/src/share/classes/sun/jvm/hotspot/debugger/amd64/AMD64ThreadContext.java@fac3dd92ebaf (annotated)

agent/src/share/classes/sun/jvm/hotspot/debugger/amd64/AMD64ThreadContext.java

Wed, 19 Sep 2012 17:22:49 -0400

author

bpittore

date

Wed, 19 Sep 2012 17:22:49 -0400

changeset 4074

fac3dd92ebaf

parent 4028

a9fed06c01d2

child 6876

710a3c8b516e

permissions

-rw-r--r--

7195372: Wrong copyright in new files
Summary: Fixed copyrights
Reviewed-by: dholmes
Contributed-by: Bill Pittore <bill.pittore@oracle.com>

duke@435	1	/*
bpittore@4074	2	* Copyright (c) 2003, 2012, Oracle and/or its affiliates. All rights reserved.
duke@435	3	* DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER.
duke@435	4	*
duke@435	5	* This code is free software; you can redistribute it and/or modify it
duke@435	6	* under the terms of the GNU General Public License version 2 only, as
duke@435	7	* published by the Free Software Foundation.
duke@435	8	*
duke@435	9	* This code is distributed in the hope that it will be useful, but WITHOUT
duke@435	10	* ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or
duke@435	11	* FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License
duke@435	12	* version 2 for more details (a copy is included in the LICENSE file that
duke@435	13	* accompanied this code).
duke@435	14	*
duke@435	15	* You should have received a copy of the GNU General Public License version
duke@435	16	* 2 along with this work; if not, write to the Free Software Foundation,
duke@435	17	* Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA.
duke@435	18	*
trims@1907	19	* Please contact Oracle, 500 Oracle Parkway, Redwood Shores, CA 94065 USA
trims@1907	20	* or visit www.oracle.com if you need additional information or have any
trims@1907	21	* questions.
duke@435	22	*
duke@435	23	*/
duke@435	24
duke@435	25	package sun.jvm.hotspot.debugger.amd64;
duke@435	26
duke@435	27	import sun.jvm.hotspot.debugger.*;
bpittore@4028	28	import sun.jvm.hotspot.debugger.cdbg.*;
duke@435	29
duke@435	30	/** Specifies the thread context on amd64 platforms; only a sub-portion
duke@435	31	* of the context is guaranteed to be present on all operating
duke@435	32	* systems. */
duke@435	33
duke@435	34	public abstract class AMD64ThreadContext implements ThreadContext {
duke@435	35	// Taken from /usr/include/sys/regset.h on Solaris/AMD64.
duke@435	36
duke@435	37	// NOTE: the indices for the various registers must be maintained as
duke@435	38	// listed across various operating systems. However, only a small
duke@435	39	// subset of the registers' values are guaranteed to be present (and
duke@435	40	// must be present for the SA's stack walking to work)
duke@435	41
duke@435	42	public static final int R15 = 0;
duke@435	43	public static final int R14 = 1;
duke@435	44	public static final int R13 = 2;
duke@435	45	public static final int R12 = 3;
duke@435	46	public static final int R11 = 4;
duke@435	47	public static final int R10 = 5;
duke@435	48	public static final int R9 = 6;
duke@435	49	public static final int R8 = 7;
duke@435	50	public static final int RDI = 8;
duke@435	51	public static final int RSI = 9;
duke@435	52	public static final int RBP = 10;
duke@435	53	public static final int RBX = 11;
duke@435	54	public static final int RDX = 12;
duke@435	55	public static final int RCX = 13;
duke@435	56	public static final int RAX = 14;
duke@435	57	public static final int TRAPNO = 15;
duke@435	58	public static final int ERR = 16;
duke@435	59	public static final int RIP = 17;
duke@435	60	public static final int CS = 18;
duke@435	61	public static final int RFL = 19;
duke@435	62	public static final int RSP = 20;
duke@435	63	public static final int SS = 21;
duke@435	64	public static final int FS = 22;
duke@435	65	public static final int GS = 23;
duke@435	66	public static final int ES = 24;
duke@435	67	public static final int DS = 25;
duke@435	68	public static final int FSBASE = 26;
duke@435	69	public static final int GSBASE = 27;
duke@435	70
duke@435	71	public static final int NPRGREG = 28;
duke@435	72
duke@435	73	private static final String[] regNames = {
duke@435	74	"r15", "r14", "r13", "r12", "r11", "r10", "r9", "r8",
duke@435	75	"rdi", "rsi", "rbp", "rbx", "rdx", "rcx", "rax", "trapno",
duke@435	76	"err", "rip", "cs", "rfl", "rsp", "ss", "fs", "gs",
duke@435	77	"es", "ds", "fsbase", "gsbase"
duke@435	78	};
duke@435	79
duke@435	80	private long[] data;
duke@435	81
duke@435	82	public AMD64ThreadContext() {
duke@435	83	data = new long[NPRGREG];
duke@435	84	}
duke@435	85
duke@435	86	public int getNumRegisters() {
duke@435	87	return NPRGREG;
duke@435	88	}
duke@435	89
duke@435	90	public String getRegisterName(int index) {
duke@435	91	return regNames[index];
duke@435	92	}
duke@435	93
duke@435	94	public void setRegister(int index, long value) {
duke@435	95	data[index] = value;
duke@435	96	}
duke@435	97
duke@435	98	public long getRegister(int index) {
duke@435	99	return data[index];
duke@435	100	}
duke@435	101
bpittore@4028	102	public CFrame getTopFrame(Debugger dbg) {
bpittore@4028	103	return null;
bpittore@4028	104	}
bpittore@4028	105
duke@435	106	/** This can't be implemented in this class since we would have to
duke@435	107	* tie the implementation to, for example, the debugging system */
duke@435	108	public abstract void setRegisterAsAddress(int index, Address value);
duke@435	109
duke@435	110	/** This can't be implemented in this class since we would have to
duke@435	111	* tie the implementation to, for example, the debugging system */
duke@435	112	public abstract Address getRegisterAsAddress(int index);
duke@435	113	}