| 1 | /* $Id: VBoxDbg.cpp 96407 2022-08-22 17:43:14Z vboxsync $ */
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| 2 | /** @file
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| 3 | * VBox Debugger GUI.
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| 4 | */
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| 5 |
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| 6 | /*
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| 7 | * Copyright (C) 2006-2022 Oracle and/or its affiliates.
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| 8 | *
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| 9 | * This file is part of VirtualBox base platform packages, as
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| 10 | * available from https://www.virtualbox.org.
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| 11 | *
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| 12 | * This program is free software; you can redistribute it and/or
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| 13 | * modify it under the terms of the GNU General Public License
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| 14 | * as published by the Free Software Foundation, in version 3 of the
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| 15 | * License.
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| 16 | *
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| 17 | * This program is distributed in the hope that it will be useful, but
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| 18 | * WITHOUT ANY WARRANTY; without even the implied warranty of
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| 19 | * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
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| 20 | * General Public License for more details.
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| 21 | *
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| 22 | * You should have received a copy of the GNU General Public License
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| 23 | * along with this program; if not, see <https://www.gnu.org/licenses>.
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| 24 | *
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| 25 | * SPDX-License-Identifier: GPL-3.0-only
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| 26 | */
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| 27 |
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| 28 |
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| 29 | /*********************************************************************************************************************************
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| 30 | * Header Files *
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| 31 | *********************************************************************************************************************************/
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| 32 | #define LOG_GROUP LOG_GROUP_DBGG
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| 33 | #define VBOX_COM_NO_ATL
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| 34 | #ifdef RT_OS_WINDOWS
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| 35 | # include <iprt/win/windows.h> /* Include via cleanup wrapper before VirtualBox.h includes it via rpc.h. */
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| 36 | # include <VirtualBox.h>
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| 37 | #else /* !RT_OS_WINDOWS */
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| 38 | # include <VirtualBox_XPCOM.h>
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| 39 | #endif /* !RT_OS_WINDOWS */
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| 40 | #include <VBox/dbggui.h>
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| 41 | #include <iprt/errcore.h>
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| 42 | #include <iprt/assert.h>
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| 43 | #include <iprt/alloc.h>
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| 44 |
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| 45 | #include "VBoxDbgGui.h"
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| 46 |
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| 47 |
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| 48 | /*********************************************************************************************************************************
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| 49 | * Structures and Typedefs *
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| 50 | *********************************************************************************************************************************/
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| 51 | /**
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| 52 | * Debugger GUI instance data.
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| 53 | */
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| 54 | typedef struct DBGGUI
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| 55 | {
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| 56 | /** Magic number (DBGGUI_MAGIC). */
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| 57 | uint32_t u32Magic;
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| 58 | /** Pointer to the Debugger GUI manager object. */
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| 59 | VBoxDbgGui *pVBoxDbgGui;
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| 60 | } DBGGUI;
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| 61 |
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| 62 | /** DBGGUI magic value (Werner Heisenberg). */
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| 63 | #define DBGGUI_MAGIC 0x19011205
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| 64 | /** Invalid DBGGUI magic value. */
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| 65 | #define DBGGUI_MAGIC_DEAD 0x19760201
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| 66 |
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| 67 |
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| 68 | /*********************************************************************************************************************************
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| 69 | * Global Variables *
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| 70 | *********************************************************************************************************************************/
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| 71 | /** Virtual method table for simplifying dynamic linking. */
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| 72 | static const DBGGUIVT g_dbgGuiVT =
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| 73 | {
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| 74 | DBGGUIVT_VERSION,
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| 75 | DBGGuiDestroy,
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| 76 | DBGGuiAdjustRelativePos,
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| 77 | DBGGuiShowStatistics,
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| 78 | DBGGuiShowCommandLine,
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| 79 | DBGGuiSetParent,
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| 80 | DBGGuiSetMenu,
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| 81 | DBGGUIVT_VERSION
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| 82 | };
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| 83 |
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| 84 |
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| 85 | /**
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| 86 | * Internal worker for DBGGuiCreate and DBGGuiCreateForVM.
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| 87 | *
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| 88 | * @returns VBox status code.
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| 89 | * @param pSession The ISession interface. (DBGGuiCreate)
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| 90 | * @param pUVM The VM handle. (DBGGuiCreateForVM)
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| 91 | * @param pVMM The VMM function table.
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| 92 | * @param ppGui See DBGGuiCreate.
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| 93 | * @param ppGuiVT See DBGGuiCreate.
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| 94 | */
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| 95 | static int dbgGuiCreate(ISession *pSession, PUVM pUVM, PCVMMR3VTABLE pVMM, PDBGGUI *ppGui, PCDBGGUIVT *ppGuiVT)
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| 96 | {
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| 97 | /*
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| 98 | * Allocate and initialize the Debugger GUI handle.
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| 99 | */
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| 100 | PDBGGUI pGui = (PDBGGUI)RTMemAlloc(sizeof(*pGui));
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| 101 | if (!pGui)
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| 102 | return VERR_NO_MEMORY;
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| 103 | pGui->u32Magic = DBGGUI_MAGIC;
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| 104 | pGui->pVBoxDbgGui = new VBoxDbgGui();
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| 105 |
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| 106 | int rc;
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| 107 | if (pSession)
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| 108 | rc = pGui->pVBoxDbgGui->init(pSession);
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| 109 | else
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| 110 | rc = pGui->pVBoxDbgGui->init(pUVM, pVMM);
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| 111 | if (RT_SUCCESS(rc))
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| 112 | {
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| 113 | /*
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| 114 | * Successfully initialized.
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| 115 | */
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| 116 | *ppGui = pGui;
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| 117 | if (ppGuiVT)
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| 118 | *ppGuiVT = &g_dbgGuiVT;
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| 119 | return rc;
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| 120 | }
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| 121 |
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| 122 | /*
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| 123 | * Failed, cleanup.
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| 124 | */
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| 125 | delete pGui->pVBoxDbgGui;
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| 126 | RTMemFree(pGui);
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| 127 | *ppGui = NULL;
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| 128 | if (ppGuiVT)
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| 129 | *ppGuiVT = NULL;
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| 130 | return rc;
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| 131 | }
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| 132 |
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| 133 |
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| 134 | /**
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| 135 | * Creates the debugger GUI.
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| 136 | *
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| 137 | * @returns VBox status code.
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| 138 | * @param pSession The VirtualBox session.
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| 139 | * @param ppGui Where to store the pointer to the debugger instance.
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| 140 | * @param ppGuiVT Where to store the virtual method table pointer.
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| 141 | * Optional.
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| 142 | */
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| 143 | DBGDECL(int) DBGGuiCreate(ISession *pSession, PDBGGUI *ppGui, PCDBGGUIVT *ppGuiVT)
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| 144 | {
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| 145 | AssertPtrReturn(pSession, VERR_INVALID_POINTER);
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| 146 | return dbgGuiCreate(pSession, NULL, NULL, ppGui, ppGuiVT);
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| 147 | }
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| 148 |
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| 149 |
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| 150 | /**
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| 151 | * Creates the debugger GUI given a VM handle.
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| 152 | *
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| 153 | * @returns VBox status code.
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| 154 | * @param pUVM The VM handle.
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| 155 | * @param pVMM The VMM function table.
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| 156 | * @param ppGui Where to store the pointer to the debugger instance.
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| 157 | * @param ppGuiVT Where to store the virtual method table pointer.
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| 158 | * Optional.
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| 159 | */
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| 160 | DBGDECL(int) DBGGuiCreateForVM(PUVM pUVM, PCVMMR3VTABLE pVMM, PDBGGUI *ppGui, PCDBGGUIVT *ppGuiVT)
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| 161 | {
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| 162 | AssertPtrReturn(pUVM, VERR_INVALID_POINTER);
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| 163 | AssertPtrReturn(pVMM, VERR_INVALID_POINTER);
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| 164 | AssertReturn(VMMR3VTABLE_IS_COMPATIBLE(pVMM->uMagicVersion), VERR_VERSION_MISMATCH);
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| 165 | AssertReturn(pVMM->pfnVMR3RetainUVM(pUVM) != UINT32_MAX, VERR_INVALID_POINTER);
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| 166 |
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| 167 | int rc = dbgGuiCreate(NULL, pUVM, pVMM, ppGui, ppGuiVT);
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| 168 |
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| 169 | pVMM->pfnVMR3ReleaseUVM(pUVM);
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| 170 | return rc;
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| 171 | }
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| 172 |
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| 173 |
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| 174 | /**
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| 175 | * Destroys the debugger GUI.
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| 176 | *
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| 177 | * @returns VBox status code.
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| 178 | * @param pGui The instance returned by DBGGuiCreate().
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| 179 | */
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| 180 | DBGDECL(int) DBGGuiDestroy(PDBGGUI pGui)
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| 181 | {
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| 182 | /*
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| 183 | * Validate.
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| 184 | */
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| 185 | if (!pGui)
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| 186 | return VERR_INVALID_PARAMETER;
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| 187 | AssertMsgReturn(pGui->u32Magic == DBGGUI_MAGIC, ("u32Magic=%#x\n", pGui->u32Magic), VERR_INVALID_PARAMETER);
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| 188 |
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| 189 | /*
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| 190 | * Do the job.
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| 191 | */
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| 192 | pGui->u32Magic = DBGGUI_MAGIC_DEAD;
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| 193 | delete pGui->pVBoxDbgGui;
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| 194 | RTMemFree(pGui);
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| 195 |
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| 196 | return VINF_SUCCESS;
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| 197 | }
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| 198 |
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| 199 |
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| 200 | /**
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| 201 | * Notifies the debugger GUI that the console window (or whatever) has changed
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| 202 | * size or position.
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| 203 | *
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| 204 | * @param pGui The instance returned by DBGGuiCreate().
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| 205 | * @param x The x-coordinate of the window the debugger is relative to.
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| 206 | * @param y The y-coordinate of the window the debugger is relative to.
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| 207 | * @param cx The width of the window the debugger is relative to.
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| 208 | * @param cy The height of the window the debugger is relative to.
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| 209 | */
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| 210 | DBGDECL(void) DBGGuiAdjustRelativePos(PDBGGUI pGui, int x, int y, unsigned cx, unsigned cy)
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| 211 | {
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| 212 | AssertReturn(pGui, (void)VERR_INVALID_PARAMETER);
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| 213 | AssertMsgReturn(pGui->u32Magic == DBGGUI_MAGIC, ("u32Magic=%#x\n", pGui->u32Magic), (void)VERR_INVALID_PARAMETER);
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| 214 | pGui->pVBoxDbgGui->adjustRelativePos(x, y, cx, cy);
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| 215 | }
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| 216 |
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| 217 |
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| 218 | /**
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| 219 | * Shows the default statistics window.
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| 220 | *
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| 221 | * @returns VBox status code.
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| 222 | * @param pGui The instance returned by DBGGuiCreate().
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| 223 | * @param pszFilter Filter pattern.
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| 224 | * @param pszExpand Expand pattern.
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| 225 | */
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| 226 | DBGDECL(int) DBGGuiShowStatistics(PDBGGUI pGui, const char *pszFilter, const char *pszExpand)
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| 227 | {
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| 228 | AssertReturn(pGui, VERR_INVALID_PARAMETER);
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| 229 | AssertMsgReturn(pGui->u32Magic == DBGGUI_MAGIC, ("u32Magic=%#x\n", pGui->u32Magic), VERR_INVALID_PARAMETER);
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| 230 | return pGui->pVBoxDbgGui->showStatistics(pszFilter, pszExpand);
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| 231 | }
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| 232 |
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| 233 |
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| 234 | /**
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| 235 | * Shows the default command line window.
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| 236 | *
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| 237 | * @returns VBox status code.
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| 238 | * @param pGui The instance returned by DBGGuiCreate().
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| 239 | */
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| 240 | DBGDECL(int) DBGGuiShowCommandLine(PDBGGUI pGui)
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| 241 | {
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| 242 | AssertReturn(pGui, VERR_INVALID_PARAMETER);
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| 243 | AssertMsgReturn(pGui->u32Magic == DBGGUI_MAGIC, ("u32Magic=%#x\n", pGui->u32Magic), VERR_INVALID_PARAMETER);
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| 244 | return pGui->pVBoxDbgGui->showConsole();
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| 245 | }
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| 246 |
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| 247 |
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| 248 | /**
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| 249 | * Sets the parent windows.
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| 250 | *
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| 251 | * @param pGui The instance returned by DBGGuiCreate().
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| 252 | * @param pvParent Pointer to a QWidget object.
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| 253 | *
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| 254 | * @remarks This will no affect any existing windows, so call it right after
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| 255 | * creating the thing.
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| 256 | */
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| 257 | DBGDECL(void) DBGGuiSetParent(PDBGGUI pGui, void *pvParent)
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| 258 | {
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| 259 | return pGui->pVBoxDbgGui->setParent((QWidget *)pvParent);
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| 260 | }
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| 261 |
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| 262 |
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| 263 | /**
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| 264 | * Sets the debug menu object.
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| 265 | *
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| 266 | * @param pGui The instance returned by DBGGuiCreate().
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| 267 | * @param pvMenu Pointer to a QMenu object.
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| 268 | *
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| 269 | * @remarks Call right after creation or risk losing menu item.
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| 270 | */
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| 271 | DBGDECL(void) DBGGuiSetMenu(PDBGGUI pGui, void *pvMenu)
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| 272 | {
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| 273 | return pGui->pVBoxDbgGui->setMenu((QMenu *)pvMenu);
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| 274 | }
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| 275 |
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