diff options
Diffstat (limited to 'sys/cddl/dev/dtrace/x86/regset.h')
| -rw-r--r-- | sys/cddl/dev/dtrace/x86/regset.h | 127 |
1 files changed, 127 insertions, 0 deletions
diff --git a/sys/cddl/dev/dtrace/x86/regset.h b/sys/cddl/dev/dtrace/x86/regset.h new file mode 100644 index 0000000..d6732ff --- /dev/null +++ b/sys/cddl/dev/dtrace/x86/regset.h @@ -0,0 +1,127 @@ +/* + * CDDL HEADER START + * + * The contents of this file are subject to the terms of the + * Common Development and Distribution License, Version 1.0 only + * (the "License"). You may not use this file except in compliance + * with the License. + * + * You can obtain a copy of the license at usr/src/OPENSOLARIS.LICENSE + * or http://www.opensolaris.org/os/licensing. + * See the License for the specific language governing permissions + * and limitations under the License. + * + * When distributing Covered Code, include this CDDL HEADER in each + * file and include the License file at usr/src/OPENSOLARIS.LICENSE. + * If applicable, add the following below this CDDL HEADER, with the + * fields enclosed by brackets "[]" replaced with your own identifying + * information: Portions Copyright [yyyy] [name of copyright owner] + * + * CDDL HEADER END + * + * $FreeBSD$ + */ +/* + * Copyright 2004 Sun Microsystems, Inc. All rights reserved. + * Use is subject to license terms. + */ + +/* Copyright (c) 1990, 1991 UNIX System Laboratories, Inc. */ + +/* Copyright (c) 1984, 1986, 1987, 1988, 1989 AT&T */ +/* All Rights Reserved */ + +#ifndef _REGSET_H +#define _REGSET_H + +/* + * #pragma ident "@(#)regset.h 1.11 05/06/08 SMI" + */ + +#ifdef __cplusplus +extern "C" { +#endif + +/* + * The names and offsets defined here should be specified by the + * AMD64 ABI suppl. + * + * We make fsbase and gsbase part of the lwp context (since they're + * the only way to access the full 64-bit address range via the segment + * registers) and thus belong here too. However we treat them as + * read-only; if %fs or %gs are updated, the results of the descriptor + * table lookup that those updates implicitly cause will be reflected + * in the corresponding fsbase and/or gsbase values the next time the + * context can be inspected. However it is NOT possible to override + * the fsbase/gsbase settings via this interface. + * + * Direct modification of the base registers (thus overriding the + * descriptor table base address) can be achieved with _lwp_setprivate. + */ + +#define REG_GSBASE 27 +#define REG_FSBASE 26 +#define REG_DS 25 +#define REG_ES 24 + +#define REG_GS 23 +#define REG_FS 22 +#define REG_SS 21 +#define REG_RSP 20 +#define REG_RFL 19 +#define REG_CS 18 +#define REG_RIP 17 +#define REG_ERR 16 +#define REG_TRAPNO 15 +#define REG_RAX 14 +#define REG_RCX 13 +#define REG_RDX 12 +#define REG_RBX 11 +#define REG_RBP 10 +#define REG_RSI 9 +#define REG_RDI 8 +#define REG_R8 7 +#define REG_R9 6 +#define REG_R10 5 +#define REG_R11 4 +#define REG_R12 3 +#define REG_R13 2 +#define REG_R14 1 +#define REG_R15 0 + +/* + * The names and offsets defined here are specified by i386 ABI suppl. + */ + +#define SS 18 /* only stored on a privilege transition */ +#define UESP 17 /* only stored on a privilege transition */ +#define EFL 16 +#define CS 15 +#define EIP 14 +#define ERR 13 +#define TRAPNO 12 +#define EAX 11 +#define ECX 10 +#define EDX 9 +#define EBX 8 +#define ESP 7 +#define EBP 6 +#define ESI 5 +#define EDI 4 +#define DS 3 +#define ES 2 +#define FS 1 +#define GS 0 + +#define REG_PC EIP +#define REG_FP EBP +#define REG_SP UESP +#define REG_PS EFL +#define REG_R0 EAX +#define REG_R1 EDX + +#ifdef __cplusplus +} +#endif + +#endif /* _REGSET_H */ |
