| 1 | /** @file
|
|---|
| 2 | * DBGF - Debugger Facility, selector interface partly shared with SELM.
|
|---|
| 3 | */
|
|---|
| 4 |
|
|---|
| 5 | /*
|
|---|
| 6 | * Copyright (C) 2006-2019 Oracle Corporation
|
|---|
| 7 | *
|
|---|
| 8 | * This file is part of VirtualBox Open Source Edition (OSE), as
|
|---|
| 9 | * available from http://www.virtualbox.org. This file is free software;
|
|---|
| 10 | * you can redistribute it and/or modify it under the terms of the GNU
|
|---|
| 11 | * General Public License (GPL) as published by the Free Software
|
|---|
| 12 | * Foundation, in version 2 as it comes in the "COPYING" file of the
|
|---|
| 13 | * VirtualBox OSE distribution. VirtualBox OSE is distributed in the
|
|---|
| 14 | * hope that it will be useful, but WITHOUT ANY WARRANTY of any kind.
|
|---|
| 15 | *
|
|---|
| 16 | * The contents of this file may alternatively be used under the terms
|
|---|
| 17 | * of the Common Development and Distribution License Version 1.0
|
|---|
| 18 | * (CDDL) only, as it comes in the "COPYING.CDDL" file of the
|
|---|
| 19 | * VirtualBox OSE distribution, in which case the provisions of the
|
|---|
| 20 | * CDDL are applicable instead of those of the GPL.
|
|---|
| 21 | *
|
|---|
| 22 | * You may elect to license modified versions of this file under the
|
|---|
| 23 | * terms and conditions of either the GPL or the CDDL or both.
|
|---|
| 24 | */
|
|---|
| 25 |
|
|---|
| 26 | #ifndef VBOX_INCLUDED_vmm_dbgfsel_h
|
|---|
| 27 | #define VBOX_INCLUDED_vmm_dbgfsel_h
|
|---|
| 28 | #ifndef RT_WITHOUT_PRAGMA_ONCE
|
|---|
| 29 | # pragma once
|
|---|
| 30 | #endif
|
|---|
| 31 |
|
|---|
| 32 | #include <VBox/types.h>
|
|---|
| 33 | #include <iprt/x86.h>
|
|---|
| 34 |
|
|---|
| 35 |
|
|---|
| 36 | /** @addtogroup grp_dbgf
|
|---|
| 37 | * @{ */
|
|---|
| 38 |
|
|---|
| 39 | /**
|
|---|
| 40 | * Selector information structure.
|
|---|
| 41 | */
|
|---|
| 42 | typedef struct DBGFSELINFO
|
|---|
| 43 | {
|
|---|
| 44 | /** The base address.
|
|---|
| 45 | * For gate descriptors, this is the target address. */
|
|---|
| 46 | RTGCPTR GCPtrBase;
|
|---|
| 47 | /** The limit (-1).
|
|---|
| 48 | * For gate descriptors, this is set to zero. */
|
|---|
| 49 | RTGCUINTPTR cbLimit;
|
|---|
| 50 | /** The raw descriptor. */
|
|---|
| 51 | union
|
|---|
| 52 | {
|
|---|
| 53 | X86DESC Raw;
|
|---|
| 54 | X86DESC64 Raw64;
|
|---|
| 55 | } u;
|
|---|
| 56 | /** The selector. */
|
|---|
| 57 | RTSEL Sel;
|
|---|
| 58 | /** The target selector for a gate.
|
|---|
| 59 | * This is 0 if non-gate descriptor. */
|
|---|
| 60 | RTSEL SelGate;
|
|---|
| 61 | /** Flags. */
|
|---|
| 62 | uint32_t fFlags;
|
|---|
| 63 | } DBGFSELINFO;
|
|---|
| 64 | /** Pointer to a SELM selector information struct. */
|
|---|
| 65 | typedef DBGFSELINFO *PDBGFSELINFO;
|
|---|
| 66 | /** Pointer to a const SELM selector information struct. */
|
|---|
| 67 | typedef const DBGFSELINFO *PCDBGFSELINFO;
|
|---|
| 68 |
|
|---|
| 69 | /** @name DBGFSELINFO::fFlags
|
|---|
| 70 | * @{ */
|
|---|
| 71 | /** The CPU is in real mode. */
|
|---|
| 72 | #define DBGFSELINFO_FLAGS_REAL_MODE RT_BIT_32(0)
|
|---|
| 73 | /** The CPU is in protected mode. */
|
|---|
| 74 | #define DBGFSELINFO_FLAGS_PROT_MODE RT_BIT_32(1)
|
|---|
| 75 | /** The CPU is in long mode. */
|
|---|
| 76 | #define DBGFSELINFO_FLAGS_LONG_MODE RT_BIT_32(2)
|
|---|
| 77 | /** The selector is a hyper selector. */
|
|---|
| 78 | #define DBGFSELINFO_FLAGS_HYPER RT_BIT_32(3)
|
|---|
| 79 | /** The selector is a gate selector. */
|
|---|
| 80 | #define DBGFSELINFO_FLAGS_GATE RT_BIT_32(4)
|
|---|
| 81 | /** The selector is invalid. */
|
|---|
| 82 | #define DBGFSELINFO_FLAGS_INVALID RT_BIT_32(5)
|
|---|
| 83 | /** The selector not present. */
|
|---|
| 84 | #define DBGFSELINFO_FLAGS_NOT_PRESENT RT_BIT_32(6)
|
|---|
| 85 | /** @} */
|
|---|
| 86 |
|
|---|
| 87 |
|
|---|
| 88 | /**
|
|---|
| 89 | * Tests whether the selector info describes an expand-down selector or now.
|
|---|
| 90 | *
|
|---|
| 91 | * @returns true / false.
|
|---|
| 92 | * @param pSelInfo The selector info.
|
|---|
| 93 | */
|
|---|
| 94 | DECLINLINE(bool) DBGFSelInfoIsExpandDown(PCDBGFSELINFO pSelInfo)
|
|---|
| 95 | {
|
|---|
| 96 | return (pSelInfo)->u.Raw.Gen.u1DescType
|
|---|
| 97 | && ((pSelInfo)->u.Raw.Gen.u4Type & (X86_SEL_TYPE_DOWN | X86_SEL_TYPE_CODE)) == X86_SEL_TYPE_DOWN;
|
|---|
| 98 | }
|
|---|
| 99 |
|
|---|
| 100 |
|
|---|
| 101 | VMMR3DECL(int) DBGFR3SelInfoValidateCS(PCDBGFSELINFO pSelInfo, RTSEL SelCPL);
|
|---|
| 102 |
|
|---|
| 103 | /** @} */
|
|---|
| 104 |
|
|---|
| 105 | #endif /* !VBOX_INCLUDED_vmm_dbgfsel_h */
|
|---|
| 106 |
|
|---|
