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author | Daniel Baumann <daniel.baumann@progress-linux.org> | 2024-04-11 08:17:27 +0000 |
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committer | Daniel Baumann <daniel.baumann@progress-linux.org> | 2024-04-11 08:17:27 +0000 |
commit | f215e02bf85f68d3a6106c2a1f4f7f063f819064 (patch) | |
tree | 6bb5b92c046312c4e95ac2620b10ddf482d3fa8b /include/VBox/vmm/dbgfsel.h | |
parent | Initial commit. (diff) | |
download | virtualbox-f215e02bf85f68d3a6106c2a1f4f7f063f819064.tar.xz virtualbox-f215e02bf85f68d3a6106c2a1f4f7f063f819064.zip |
Adding upstream version 7.0.14-dfsg.upstream/7.0.14-dfsg
Signed-off-by: Daniel Baumann <daniel.baumann@progress-linux.org>
Diffstat (limited to '')
-rw-r--r-- | include/VBox/vmm/dbgfsel.h | 117 |
1 files changed, 117 insertions, 0 deletions
diff --git a/include/VBox/vmm/dbgfsel.h b/include/VBox/vmm/dbgfsel.h new file mode 100644 index 00000000..92021407 --- /dev/null +++ b/include/VBox/vmm/dbgfsel.h @@ -0,0 +1,117 @@ +/** @file + * DBGF - Debugger Facility, selector interface partly shared with SELM. + */ + +/* + * Copyright (C) 2006-2023 Oracle and/or its affiliates. + * + * This file is part of VirtualBox base platform packages, as + * available from https://www.virtualbox.org. + * + * This program is free software; you can redistribute it and/or + * modify it under the terms of the GNU General Public License + * as published by the Free Software Foundation, in version 3 of the + * License. + * + * This program is distributed in the hope that it will be useful, but + * WITHOUT ANY WARRANTY; without even the implied warranty of + * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU + * General Public License for more details. + * + * You should have received a copy of the GNU General Public License + * along with this program; if not, see <https://www.gnu.org/licenses>. + * + * The contents of this file may alternatively be used under the terms + * of the Common Development and Distribution License Version 1.0 + * (CDDL), a copy of it is provided in the "COPYING.CDDL" file included + * in the VirtualBox distribution, in which case the provisions of the + * CDDL are applicable instead of those of the GPL. + * + * You may elect to license modified versions of this file under the + * terms and conditions of either the GPL or the CDDL or both. + * + * SPDX-License-Identifier: GPL-3.0-only OR CDDL-1.0 + */ + +#ifndef VBOX_INCLUDED_vmm_dbgfsel_h +#define VBOX_INCLUDED_vmm_dbgfsel_h +#ifndef RT_WITHOUT_PRAGMA_ONCE +# pragma once +#endif + +#include <VBox/types.h> +#include <iprt/x86.h> + + +/** @addtogroup grp_dbgf + * @{ */ + +/** + * Selector information structure. + */ +typedef struct DBGFSELINFO +{ + /** The base address. + * For gate descriptors, this is the target address. */ + RTGCPTR GCPtrBase; + /** The limit (-1). + * For gate descriptors, this is set to zero. */ + RTGCUINTPTR cbLimit; + /** The raw descriptor. */ + union + { + X86DESC Raw; + X86DESC64 Raw64; + } u; + /** The selector. */ + RTSEL Sel; + /** The target selector for a gate. + * This is 0 if non-gate descriptor. */ + RTSEL SelGate; + /** Flags. */ + uint32_t fFlags; +} DBGFSELINFO; +/** Pointer to a SELM selector information struct. */ +typedef DBGFSELINFO *PDBGFSELINFO; +/** Pointer to a const SELM selector information struct. */ +typedef const DBGFSELINFO *PCDBGFSELINFO; + +/** @name DBGFSELINFO::fFlags + * @{ */ +/** The CPU is in real mode. */ +#define DBGFSELINFO_FLAGS_REAL_MODE RT_BIT_32(0) +/** The CPU is in protected mode. */ +#define DBGFSELINFO_FLAGS_PROT_MODE RT_BIT_32(1) +/** The CPU is in long mode. */ +#define DBGFSELINFO_FLAGS_LONG_MODE RT_BIT_32(2) +/** The selector is a hyper selector. + * @todo remove me! */ +#define DBGFSELINFO_FLAGS_HYPER RT_BIT_32(3) +/** The selector is a gate selector. */ +#define DBGFSELINFO_FLAGS_GATE RT_BIT_32(4) +/** The selector is invalid. */ +#define DBGFSELINFO_FLAGS_INVALID RT_BIT_32(5) +/** The selector not present. */ +#define DBGFSELINFO_FLAGS_NOT_PRESENT RT_BIT_32(6) +/** @} */ + + +/** + * Tests whether the selector info describes an expand-down selector or now. + * + * @returns true / false. + * @param pSelInfo The selector info. + */ +DECLINLINE(bool) DBGFSelInfoIsExpandDown(PCDBGFSELINFO pSelInfo) +{ + return (pSelInfo)->u.Raw.Gen.u1DescType + && ((pSelInfo)->u.Raw.Gen.u4Type & (X86_SEL_TYPE_DOWN | X86_SEL_TYPE_CODE)) == X86_SEL_TYPE_DOWN; +} + + +VMMR3DECL(int) DBGFR3SelInfoValidateCS(PCDBGFSELINFO pSelInfo, RTSEL SelCPL); + +/** @} */ + +#endif /* !VBOX_INCLUDED_vmm_dbgfsel_h */ + |