diff options
Diffstat (limited to 'src/VBox/Debugger/DBGCEmulateCodeView.cpp')
| -rw-r--r-- | src/VBox/Debugger/DBGCEmulateCodeView.cpp | 6478 |
1 files changed, 6478 insertions, 0 deletions
diff --git a/src/VBox/Debugger/DBGCEmulateCodeView.cpp b/src/VBox/Debugger/DBGCEmulateCodeView.cpp new file mode 100644 index 00000000..a0811bfc --- /dev/null +++ b/src/VBox/Debugger/DBGCEmulateCodeView.cpp @@ -0,0 +1,6478 @@ +/* $Id: DBGCEmulateCodeView.cpp $ */ +/** @file + * DBGC - Debugger Console, CodeView / WinDbg Emulation. + */ + +/* + * Copyright (C) 2006-2019 Oracle Corporation + * + * This file is part of VirtualBox Open Source Edition (OSE), as + * available from http://www.virtualbox.org. This file is free software; + * you can redistribute it and/or modify it under the terms of the GNU + * General Public License (GPL) as published by the Free Software + * Foundation, in version 2 as it comes in the "COPYING" file of the + * VirtualBox OSE distribution. VirtualBox OSE is distributed in the + * hope that it will be useful, but WITHOUT ANY WARRANTY of any kind. + */ + + +/********************************************************************************************************************************* +* Header Files * +*********************************************************************************************************************************/ +#define LOG_GROUP LOG_GROUP_DBGC +#include <VBox/dbg.h> +#include <VBox/vmm/dbgf.h> +#include <VBox/vmm/pgm.h> +#include <VBox/vmm/cpum.h> +#include <VBox/dis.h> +#include <VBox/param.h> +#include <VBox/err.h> +#include <VBox/log.h> + +#include <iprt/asm.h> +#include <iprt/mem.h> +#include <iprt/string.h> +#include <iprt/assert.h> +#include <iprt/ctype.h> + +#include <stdlib.h> +#include <stdio.h> + +#include "DBGCInternal.h" + + +/********************************************************************************************************************************* +* Internal Functions * +*********************************************************************************************************************************/ +static FNDBGCCMD dbgcCmdBrkAccess; +static FNDBGCCMD dbgcCmdBrkClear; +static FNDBGCCMD dbgcCmdBrkDisable; +static FNDBGCCMD dbgcCmdBrkEnable; +static FNDBGCCMD dbgcCmdBrkList; +static FNDBGCCMD dbgcCmdBrkSet; +static FNDBGCCMD dbgcCmdBrkREM; +static FNDBGCCMD dbgcCmdDumpMem; +static FNDBGCCMD dbgcCmdDumpDT; +static FNDBGCCMD dbgcCmdDumpIDT; +static FNDBGCCMD dbgcCmdDumpPageDir; +static FNDBGCCMD dbgcCmdDumpPageDirBoth; +static FNDBGCCMD dbgcCmdDumpPageHierarchy; +static FNDBGCCMD dbgcCmdDumpPageTable; +static FNDBGCCMD dbgcCmdDumpPageTableBoth; +static FNDBGCCMD dbgcCmdDumpTSS; +static FNDBGCCMD dbgcCmdDumpTypeInfo; +static FNDBGCCMD dbgcCmdDumpTypedVal; +static FNDBGCCMD dbgcCmdEditMem; +static FNDBGCCMD dbgcCmdGo; +static FNDBGCCMD dbgcCmdGoUp; +static FNDBGCCMD dbgcCmdListModules; +static FNDBGCCMD dbgcCmdListNear; +static FNDBGCCMD dbgcCmdListSource; +static FNDBGCCMD dbgcCmdMemoryInfo; +static FNDBGCCMD dbgcCmdReg; +static FNDBGCCMD dbgcCmdRegGuest; +static FNDBGCCMD dbgcCmdRegHyper; +static FNDBGCCMD dbgcCmdRegTerse; +static FNDBGCCMD dbgcCmdSearchMem; +static FNDBGCCMD dbgcCmdSearchMemType; +static FNDBGCCMD dbgcCmdStepTrace; +static FNDBGCCMD dbgcCmdStepTraceTo; +static FNDBGCCMD dbgcCmdStepTraceToggle; +static FNDBGCCMD dbgcCmdEventCtrl; +static FNDBGCCMD dbgcCmdEventCtrlList; +static FNDBGCCMD dbgcCmdEventCtrlReset; +static FNDBGCCMD dbgcCmdStack; +static FNDBGCCMD dbgcCmdUnassemble; +static FNDBGCCMD dbgcCmdUnassembleCfg; + + +/********************************************************************************************************************************* +* Global Variables * +*********************************************************************************************************************************/ +/** 'ba' arguments. */ +static const DBGCVARDESC g_aArgBrkAcc[] = +{ + /* cTimesMin, cTimesMax, enmCategory, fFlags, pszName, pszDescription */ + { 1, 1, DBGCVAR_CAT_STRING, 0, "access", "The access type: x=execute, rw=read/write (alias r), w=write, i=not implemented." }, + { 1, 1, DBGCVAR_CAT_NUMBER, 0, "size", "The access size: 1, 2, 4, or 8. 'x' access requires 1, and 8 requires amd64 long mode." }, + { 1, 1, DBGCVAR_CAT_GC_POINTER, 0, "address", "The address." }, + { 0, 1, DBGCVAR_CAT_NUMBER, 0, "passes", "The number of passes before we trigger the breakpoint. (0 is default)" }, + { 0, 1, DBGCVAR_CAT_NUMBER, DBGCVD_FLAGS_DEP_PREV, "max passes", "The number of passes after which we stop triggering the breakpoint. (~0 is default)" }, + { 0, 1, DBGCVAR_CAT_STRING, 0, "cmds", "String of commands to be executed when the breakpoint is hit. Quote it!" }, +}; + + +/** 'bc', 'bd', 'be' arguments. */ +static const DBGCVARDESC g_aArgBrks[] = +{ + /* cTimesMin, cTimesMax, enmCategory, fFlags, pszName, pszDescription */ + { 0, ~0U, DBGCVAR_CAT_NUMBER, 0, "#bp", "Breakpoint number." }, + { 0, 1, DBGCVAR_CAT_STRING, 0, "all", "All breakpoints." }, +}; + + +/** 'bp' arguments. */ +static const DBGCVARDESC g_aArgBrkSet[] = +{ + /* cTimesMin, cTimesMax, enmCategory, fFlags, pszName, pszDescription */ + { 1, 1, DBGCVAR_CAT_GC_POINTER, 0, "address", "The address." }, + { 0, 1, DBGCVAR_CAT_NUMBER, 0, "passes", "The number of passes before we trigger the breakpoint. (0 is default)" }, + { 0, 1, DBGCVAR_CAT_NUMBER, DBGCVD_FLAGS_DEP_PREV, "max passes", "The number of passes after which we stop triggering the breakpoint. (~0 is default)" }, + { 0, 1, DBGCVAR_CAT_STRING, 0, "cmds", "String of commands to be executed when the breakpoint is hit. Quote it!" }, +}; + + +/** 'br' arguments. */ +static const DBGCVARDESC g_aArgBrkREM[] = +{ + /* cTimesMin, cTimesMax, enmCategory, fFlags, pszName, pszDescription */ + { 1, 1, DBGCVAR_CAT_GC_POINTER, 0, "address", "The address." }, + { 0, 1, DBGCVAR_CAT_NUMBER, 0, "passes", "The number of passes before we trigger the breakpoint. (0 is default)" }, + { 0, 1, DBGCVAR_CAT_NUMBER, DBGCVD_FLAGS_DEP_PREV, "max passes", "The number of passes after which we stop triggering the breakpoint. (~0 is default)" }, + { 0, 1, DBGCVAR_CAT_STRING, 0, "cmds", "String of commands to be executed when the breakpoint is hit. Quote it!" }, +}; + + +/** 'd?' arguments. */ +static const DBGCVARDESC g_aArgDumpMem[] = +{ + /* cTimesMin, cTimesMax, enmCategory, fFlags, pszName, pszDescription */ + { 0, 1, DBGCVAR_CAT_POINTER, 0, "address", "Address where to start dumping memory." }, +}; + + +/** 'dg', 'dga', 'dl', 'dla' arguments. */ +static const DBGCVARDESC g_aArgDumpDT[] = +{ + /* cTimesMin, cTimesMax, enmCategory, fFlags, pszName, pszDescription */ + { 0, ~0U, DBGCVAR_CAT_NUMBER, 0, "sel", "Selector or selector range." }, + { 0, ~0U, DBGCVAR_CAT_POINTER, 0, "address", "Far address which selector should be dumped." }, +}; + + +/** 'di', 'dia' arguments. */ +static const DBGCVARDESC g_aArgDumpIDT[] = +{ + /* cTimesMin, cTimesMax, enmCategory, fFlags, pszName, pszDescription */ + { 0, ~0U, DBGCVAR_CAT_NUMBER, 0, "int", "The interrupt vector or interrupt vector range." }, +}; + + +/** 'dpd*' arguments. */ +static const DBGCVARDESC g_aArgDumpPD[] = +{ + /* cTimesMin, cTimesMax, enmCategory, fFlags, pszName, pszDescription */ + { 0, 1, DBGCVAR_CAT_NUMBER, 0, "index", "Index into the page directory." }, + { 0, 1, DBGCVAR_CAT_POINTER, 0, "address", "Address which page directory entry to start dumping from. Range is applied to the page directory." }, +}; + + +/** 'dpda' arguments. */ +static const DBGCVARDESC g_aArgDumpPDAddr[] = +{ + /* cTimesMin, cTimesMax, enmCategory, fFlags, pszName, pszDescription */ + { 0, 1, DBGCVAR_CAT_POINTER, 0, "address", "Address of the page directory entry to start dumping from." }, +}; + + +/** 'dph*' arguments. */ +static const DBGCVARDESC g_aArgDumpPH[] = +{ + /* cTimesMin, cTimesMax, enmCategory, fFlags, pszName, pszDescription */ + { 0, 1, DBGCVAR_CAT_GC_POINTER, 0, "address", "Where in the address space to start dumping and for how long (range). The default address/range will be used if omitted." }, + { 0, 1, DBGCVAR_CAT_NUMBER, DBGCVD_FLAGS_DEP_PREV, "cr3", "The CR3 value to use. The current CR3 of the context will be used if omitted." }, + { 0, 1, DBGCVAR_CAT_STRING, DBGCVD_FLAGS_DEP_PREV, "mode", "The paging mode: legacy, pse, pae, long, ept. Append '-np' for nested paging and '-nx' for no-execute. The current mode will be used if omitted." }, +}; + + +/** 'dpt?' arguments. */ +static const DBGCVARDESC g_aArgDumpPT[] = +{ + /* cTimesMin, cTimesMax, enmCategory, fFlags, pszName, pszDescription */ + { 1, 1, DBGCVAR_CAT_POINTER, 0, "address", "Address which page directory entry to start dumping from." }, +}; + + +/** 'dpta' arguments. */ +static const DBGCVARDESC g_aArgDumpPTAddr[] = +{ + /* cTimesMin, cTimesMax, enmCategory, fFlags, pszName, pszDescription */ + { 1, 1, DBGCVAR_CAT_POINTER, 0, "address", "Address of the page table entry to start dumping from." }, +}; + + +/** 'dt' arguments. */ +static const DBGCVARDESC g_aArgDumpTSS[] = +{ + /* cTimesMin, cTimesMax, enmCategory, fFlags, pszName, pszDescription */ + { 0, 1, DBGCVAR_CAT_NUMBER, 0, "tss", "TSS selector number." }, + { 0, 1, DBGCVAR_CAT_POINTER, 0, "tss:ign|addr", "TSS address. If the selector is a TSS selector, the offset will be ignored." } +}; + + +/** 'dti' arguments. */ +static const DBGCVARDESC g_aArgDumpTypeInfo[] = +{ + /* cTimesMin, cTimesMax, enmCategory, fFlags, pszName, pszDescription */ + { 1, 1, DBGCVAR_CAT_STRING, 0, "type", "The type to dump" }, + { 0, 1, DBGCVAR_CAT_NUMBER, 0, "levels", "How many levels to dump the type information" } +}; + + +/** 'dtv' arguments. */ +static const DBGCVARDESC g_aArgDumpTypedVal[] = +{ + /* cTimesMin, cTimesMax, enmCategory, fFlags, pszName, pszDescription */ + { 1, 1, DBGCVAR_CAT_STRING, 0, "type", "The type to use" }, + { 1, 1, DBGCVAR_CAT_POINTER, 0, "address", "Address to start dumping from." }, + { 0, 1, DBGCVAR_CAT_NUMBER, 0, "levels", "How many levels to dump" } +}; + + +/** 'e?' arguments. */ +static const DBGCVARDESC g_aArgEditMem[] = +{ + /* cTimesMin, cTimesMax, enmCategory, fFlags, pszName, pszDescription */ + { 1, 1, DBGCVAR_CAT_POINTER, 0, "address", "Address where to write." }, + { 1, ~0U, DBGCVAR_CAT_NUMBER, 0, "value", "Value to write." }, +}; + + +/** 'lm' arguments. */ +static const DBGCVARDESC g_aArgListMods[] = +{ + /* cTimesMin, cTimesMax, enmCategory, fFlags, pszName, pszDescription */ + { 0, ~0U, DBGCVAR_CAT_STRING, 0, "module", "Module name." }, +}; + + +/** 'ln' arguments. */ +static const DBGCVARDESC g_aArgListNear[] = +{ + /* cTimesMin, cTimesMax, enmCategory, fFlags, pszName, pszDescription */ + { 0, ~0U, DBGCVAR_CAT_POINTER, 0, "address", "Address of the symbol to look up." }, + { 0, ~0U, DBGCVAR_CAT_SYMBOL, 0, "symbol", "Symbol to lookup." }, +}; + + +/** 'ls' arguments. */ +static const DBGCVARDESC g_aArgListSource[] = +{ + /* cTimesMin, cTimesMax, enmCategory, fFlags, pszName, pszDescription */ + { 0, 1, DBGCVAR_CAT_POINTER, 0, "address", "Address where to start looking for source lines." }, +}; + + +/** 'm' argument. */ +static const DBGCVARDESC g_aArgMemoryInfo[] = +{ + /* cTimesMin, cTimesMax, enmCategory, fFlags, pszName, pszDescription */ + { 1, 1, DBGCVAR_CAT_POINTER, 0, "address", "Pointer to obtain info about." }, +}; + + +/** 'p', 'pc', 'pt', 't', 'tc' and 'tt' arguments. */ +static const DBGCVARDESC g_aArgStepTrace[] = +{ + /* cTimesMin, cTimesMax, enmCategory, fFlags, pszName, pszDescription */ + { 0, 1, DBGCVAR_CAT_NUMBER, 0, "count", "Number of instructions or source lines to step." }, + { 0, 1, DBGCVAR_CAT_STRING, 0, "cmds", "String of commands to be executed afterwards. Quote it!" }, +}; + + +/** 'pa' and 'ta' arguments. */ +static const DBGCVARDESC g_aArgStepTraceTo[] = +{ + /* cTimesMin, cTimesMax, enmCategory, fFlags, pszName, pszDescription */ + { 1, 1, DBGCVAR_CAT_POINTER, 0, "address", "Where to stop" }, + { 0, 1, DBGCVAR_CAT_STRING, 0, "cmds", "String of commands to be executed afterwards. Quote it!" }, +}; + + +/** 'r' arguments. */ +static const DBGCVARDESC g_aArgReg[] = +{ + /* cTimesMin, cTimesMax, enmCategory, fFlags, pszName, pszDescription */ + { 0, 1, DBGCVAR_CAT_SYMBOL, 0, "register", "Register to show or set." }, + { 0, 1, DBGCVAR_CAT_STRING, DBGCVD_FLAGS_DEP_PREV, "=", "Equal sign." }, + { 0, 1, DBGCVAR_CAT_NUMBER, DBGCVD_FLAGS_DEP_PREV, "value", "New register value." }, +}; + + +/** 's' arguments. */ +static const DBGCVARDESC g_aArgSearchMem[] = +{ + /* cTimesMin, cTimesMax, enmCategory, fFlags, pszName, pszDescription */ + { 0, 1, DBGCVAR_CAT_OPTION, 0, "-b", "Byte string." }, + { 0, 1, DBGCVAR_CAT_OPTION, 0, "-w", "Word string." }, + { 0, 1, DBGCVAR_CAT_OPTION, 0, "-d", "DWord string." }, + { 0, 1, DBGCVAR_CAT_OPTION, 0, "-q", "QWord string." }, + { 0, 1, DBGCVAR_CAT_OPTION, 0, "-a", "ASCII string." }, + { 0, 1, DBGCVAR_CAT_OPTION, 0, "-u", "Unicode string." }, + { 0, 1, DBGCVAR_CAT_OPTION_NUMBER, 0, "-n <Hits>", "Maximum number of hits." }, + { 0, 1, DBGCVAR_CAT_GC_POINTER, 0, "range", "Register to show or set." }, + { 0, ~0U, DBGCVAR_CAT_ANY, 0, "pattern", "Pattern to search for." }, +}; + + +/** 's?' arguments. */ +static const DBGCVARDESC g_aArgSearchMemType[] = +{ + /* cTimesMin, cTimesMax, enmCategory, fFlags, pszName, pszDescription */ + { 1, 1, DBGCVAR_CAT_GC_POINTER, 0, "range", "Register to show or set." }, + { 1, ~0U, DBGCVAR_CAT_ANY, 0, "pattern", "Pattern to search for." }, +}; + + +/** 'sxe', 'sxn', 'sxi', 'sx-' arguments. */ +static const DBGCVARDESC g_aArgEventCtrl[] = +{ + /* cTimesMin, cTimesMax, enmCategory, fFlags, pszName, pszDescription */ + { 0, 1, DBGCVAR_CAT_STRING, 0, "-c", "The -c option, requires <cmds>." }, + { 0, 1, DBGCVAR_CAT_STRING, DBGCVD_FLAGS_DEP_PREV, "cmds", "Command to execute on this event." }, + { 0 /*weird*/, ~0U, DBGCVAR_CAT_STRING, 0, "event", "One or more events, 'all' refering to all events." }, +}; + +/** 'sx' and 'sr' arguments. */ +static const DBGCVARDESC g_aArgEventCtrlOpt[] = +{ + /* cTimesMin, cTimesMax, enmCategory, fFlags, pszName, pszDescription */ + { 0, ~0U, DBGCVAR_CAT_STRING, 0, "event", "Zero or more events, 'all' refering to all events and being the default." }, +}; + +/** 'u' arguments. */ +static const DBGCVARDESC g_aArgUnassemble[] = +{ + /* cTimesMin, cTimesMax, enmCategory, fFlags, pszName, pszDescription */ + { 0, 1, DBGCVAR_CAT_POINTER, 0, "address", "Address where to start disassembling." }, +}; + +/** 'ucfg' arguments. */ +static const DBGCVARDESC g_aArgUnassembleCfg[] = +{ + /* cTimesMin, cTimesMax, enmCategory, fFlags, pszName, pszDescription */ + { 0, 1, DBGCVAR_CAT_POINTER, 0, "address", "Address where to start disassembling." }, +}; + + +/** Command descriptors for the CodeView / WinDbg emulation. + * The emulation isn't attempting to be identical, only somewhat similar. + */ +const DBGCCMD g_aCmdsCodeView[] = +{ + /* pszCmd, cArgsMin, cArgsMax, paArgDescs, cArgDescs, fFlags, pfnHandler pszSyntax, ....pszDescription */ + { "ba", 3, 6, &g_aArgBrkAcc[0], RT_ELEMENTS(g_aArgBrkAcc), 0, dbgcCmdBrkAccess, "<access> <size> <address> [passes [max passes]] [cmds]", + "Sets a data access breakpoint." }, + { "bc", 1, ~0U, &g_aArgBrks[0], RT_ELEMENTS(g_aArgBrks), 0, dbgcCmdBrkClear, "all | <bp#> [bp# []]", "Deletes a set of breakpoints." }, + { "bd", 1, ~0U, &g_aArgBrks[0], RT_ELEMENTS(g_aArgBrks), 0, dbgcCmdBrkDisable, "all | <bp#> [bp# []]", "Disables a set of breakpoints." }, + { "be", 1, ~0U, &g_aArgBrks[0], RT_ELEMENTS(g_aArgBrks), 0, dbgcCmdBrkEnable, "all | <bp#> [bp# []]", "Enables a set of breakpoints." }, + { "bl", 0, 0, NULL, 0, 0, dbgcCmdBrkList, "", "Lists all the breakpoints." }, + { "bp", 1, 4, &g_aArgBrkSet[0], RT_ELEMENTS(g_aArgBrkSet), 0, dbgcCmdBrkSet, "<address> [passes [max passes]] [cmds]", + "Sets a breakpoint (int 3)." }, + { "br", 1, 4, &g_aArgBrkREM[0], RT_ELEMENTS(g_aArgBrkREM), 0, dbgcCmdBrkREM, "<address> [passes [max passes]] [cmds]", + "Sets a recompiler specific breakpoint." }, + { "d", 0, 1, &g_aArgDumpMem[0], RT_ELEMENTS(g_aArgDumpMem), 0, dbgcCmdDumpMem, "[addr]", "Dump memory using last element size and type." }, + { "dF", 0, 1, &g_aArgDumpMem[0], RT_ELEMENTS(g_aArgDumpMem), 0, dbgcCmdDumpMem, "[addr]", "Dump memory as far 16:16." }, + { "dFs", 0, 1, &g_aArgDumpMem[0], RT_ELEMENTS(g_aArgDumpMem), 0, dbgcCmdDumpMem, "[addr]", "Dump memory as far 16:16 with near symbols." }, + { "da", 0, 1, &g_aArgDumpMem[0], RT_ELEMENTS(g_aArgDumpMem), 0, dbgcCmdDumpMem, "[addr]", "Dump memory as ascii string." }, + { "db", 0, 1, &g_aArgDumpMem[0], RT_ELEMENTS(g_aArgDumpMem), 0, dbgcCmdDumpMem, "[addr]", "Dump memory in bytes." }, + { "dd", 0, 1, &g_aArgDumpMem[0], RT_ELEMENTS(g_aArgDumpMem), 0, dbgcCmdDumpMem, "[addr]", "Dump memory in double words." }, + { "dds", 0, 1, &g_aArgDumpMem[0], RT_ELEMENTS(g_aArgDumpMem), 0, dbgcCmdDumpMem, "[addr]", "Dump memory as double words with near symbols." }, + { "da", 0, 1, &g_aArgDumpMem[0], RT_ELEMENTS(g_aArgDumpMem), 0, dbgcCmdDumpMem, "[addr]", "Dump memory as ascii string." }, + { "dg", 0, ~0U, &g_aArgDumpDT[0], RT_ELEMENTS(g_aArgDumpDT), 0, dbgcCmdDumpDT, "[sel [..]]", "Dump the global descriptor table (GDT)." }, + { "dga", 0, ~0U, &g_aArgDumpDT[0], RT_ELEMENTS(g_aArgDumpDT), 0, dbgcCmdDumpDT, "[sel [..]]", "Dump the global descriptor table (GDT) including not-present entries." }, + { "di", 0, ~0U, &g_aArgDumpIDT[0], RT_ELEMENTS(g_aArgDumpIDT), 0, dbgcCmdDumpIDT, "[int [..]]", "Dump the interrupt descriptor table (IDT)." }, + { "dia", 0, ~0U, &g_aArgDumpIDT[0], RT_ELEMENTS(g_aArgDumpIDT), 0, dbgcCmdDumpIDT, "[int [..]]", "Dump the interrupt descriptor table (IDT) including not-present entries." }, + { "dl", 0, ~0U, &g_aArgDumpDT[0], RT_ELEMENTS(g_aArgDumpDT), 0, dbgcCmdDumpDT, "[sel [..]]", "Dump the local descriptor table (LDT)." }, + { "dla", 0, ~0U, &g_aArgDumpDT[0], RT_ELEMENTS(g_aArgDumpDT), 0, dbgcCmdDumpDT, "[sel [..]]", "Dump the local descriptor table (LDT) including not-present entries." }, + { "dpd", 0, 1, &g_aArgDumpPD[0], RT_ELEMENTS(g_aArgDumpPD), 0, dbgcCmdDumpPageDir, "[addr|index]", "Dumps page directory entries of the default context." }, + { "dpda", 0, 1, &g_aArgDumpPDAddr[0],RT_ELEMENTS(g_aArgDumpPDAddr), 0, dbgcCmdDumpPageDir, "[addr]", "Dumps memory at given address as a page directory." }, + { "dpdb", 0, 1, &g_aArgDumpPD[0], RT_ELEMENTS(g_aArgDumpPD), 0, dbgcCmdDumpPageDirBoth, "[addr|index]", "Dumps page directory entries of the guest and the hypervisor. " }, + { "dpdg", 0, 1, &g_aArgDumpPD[0], RT_ELEMENTS(g_aArgDumpPD), 0, dbgcCmdDumpPageDir, "[addr|index]", "Dumps page directory entries of the guest." }, + { "dpdh", 0, 1, &g_aArgDumpPD[0], RT_ELEMENTS(g_aArgDumpPD), 0, dbgcCmdDumpPageDir, "[addr|index]", "Dumps page directory entries of the hypervisor. " }, + { "dph", 0, 3, &g_aArgDumpPH[0], RT_ELEMENTS(g_aArgDumpPH), 0, dbgcCmdDumpPageHierarchy, "[addr [cr3 [mode]]", "Dumps the paging hierarchy at for specfied address range. Default context." }, + { "dphg", 0, 3, &g_aArgDumpPH[0], RT_ELEMENTS(g_aArgDumpPH), 0, dbgcCmdDumpPageHierarchy, "[addr [cr3 [mode]]", "Dumps the paging hierarchy at for specfied address range. Guest context." }, + { "dphh", 0, 3, &g_aArgDumpPH[0], RT_ELEMENTS(g_aArgDumpPH), 0, dbgcCmdDumpPageHierarchy, "[addr [cr3 [mode]]", "Dumps the paging hierarchy at for specfied address range. Hypervisor context." }, + { "dp", 0, 1, &g_aArgDumpMem[0], RT_ELEMENTS(g_aArgDumpMem), 0, dbgcCmdDumpMem, "[addr]", "Dump memory in mode sized words." }, + { "dps", 0, 1, &g_aArgDumpMem[0], RT_ELEMENTS(g_aArgDumpMem), 0, dbgcCmdDumpMem, "[addr]", "Dump memory in mode sized words with near symbols." }, + { "dpt", 1, 1, &g_aArgDumpPT[0], RT_ELEMENTS(g_aArgDumpPT), 0, dbgcCmdDumpPageTable,"<addr>", "Dumps page table entries of the default context." }, + { "dpta", 1, 1, &g_aArgDumpPTAddr[0],RT_ELEMENTS(g_aArgDumpPTAddr), 0, dbgcCmdDumpPageTable,"<addr>", "Dumps memory at given address as a page table." }, + { "dptb", 1, 1, &g_aArgDumpPT[0], RT_ELEMENTS(g_aArgDumpPT), 0, dbgcCmdDumpPageTableBoth,"<addr>", "Dumps page table entries of the guest and the hypervisor." }, + { "dptg", 1, 1, &g_aArgDumpPT[0], RT_ELEMENTS(g_aArgDumpPT), 0, dbgcCmdDumpPageTable,"<addr>", "Dumps page table entries of the guest." }, + { "dpth", 1, 1, &g_aArgDumpPT[0], RT_ELEMENTS(g_aArgDumpPT), 0, dbgcCmdDumpPageTable,"<addr>", "Dumps page table entries of the hypervisor." }, + { "dq", 0, 1, &g_aArgDumpMem[0], RT_ELEMENTS(g_aArgDumpMem), 0, dbgcCmdDumpMem, "[addr]", "Dump memory in quad words." }, + { "dqs", 0, 1, &g_aArgDumpMem[0], RT_ELEMENTS(g_aArgDumpMem), 0, dbgcCmdDumpMem, "[addr]", "Dump memory as quad words with near symbols." }, + { "dt", 0, 1, &g_aArgDumpTSS[0], RT_ELEMENTS(g_aArgDumpTSS), 0, dbgcCmdDumpTSS, "[tss|tss:ign|addr]", "Dump the task state segment (TSS)." }, + { "dt16", 0, 1, &g_aArgDumpTSS[0], RT_ELEMENTS(g_aArgDumpTSS), 0, dbgcCmdDumpTSS, "[tss|tss:ign|addr]", "Dump the 16-bit task state segment (TSS)." }, + { "dt32", 0, 1, &g_aArgDumpTSS[0], RT_ELEMENTS(g_aArgDumpTSS), 0, dbgcCmdDumpTSS, "[tss|tss:ign|addr]", "Dump the 32-bit task state segment (TSS)." }, + { "dt64", 0, 1, &g_aArgDumpTSS[0], RT_ELEMENTS(g_aArgDumpTSS), 0, dbgcCmdDumpTSS, "[tss|tss:ign|addr]", "Dump the 64-bit task state segment (TSS)." }, + { "dti", 1, 2, &g_aArgDumpTypeInfo[0],RT_ELEMENTS(g_aArgDumpTypeInfo), 0, dbgcCmdDumpTypeInfo,"<type> [levels]", "Dump type information." }, + { "dtv", 2, 3, &g_aArgDumpTypedVal[0],RT_ELEMENTS(g_aArgDumpTypedVal), 0, dbgcCmdDumpTypedVal,"<type> <addr> [levels]", "Dump a memory buffer using the information in the given type." }, + { "du", 0, 1, &g_aArgDumpMem[0], RT_ELEMENTS(g_aArgDumpMem), 0, dbgcCmdDumpMem, "[addr]", "Dump memory as unicode string (little endian)." }, + { "dw", 0, 1, &g_aArgDumpMem[0], RT_ELEMENTS(g_aArgDumpMem), 0, dbgcCmdDumpMem, "[addr]", "Dump memory in words." }, + /** @todo add 'e', 'ea str', 'eza str', 'eu str' and 'ezu str'. See also + * dbgcCmdSearchMem and its dbgcVarsToBytes usage. */ + { "eb", 2, 2, &g_aArgEditMem[0], RT_ELEMENTS(g_aArgEditMem), 0, dbgcCmdEditMem, "<addr> <value>", "Write a 1-byte value to memory." }, + { "ew", 2, 2, &g_aArgEditMem[0], RT_ELEMENTS(g_aArgEditMem), 0, dbgcCmdEditMem, "<addr> <value>", "Write a 2-byte value to memory." }, + { "ed", 2, 2, &g_aArgEditMem[0], RT_ELEMENTS(g_aArgEditMem), 0, dbgcCmdEditMem, "<addr> <value>", "Write a 4-byte value to memory." }, + { "eq", 2, 2, &g_aArgEditMem[0], RT_ELEMENTS(g_aArgEditMem), 0, dbgcCmdEditMem, "<addr> <value>", "Write a 8-byte value to memory." }, + { "g", 0, 0, NULL, 0, 0, dbgcCmdGo, "", "Continue execution." }, + { "gu", 0, 0, NULL, 0, 0, dbgcCmdGoUp, "", "Go up - continue execution till after return." }, + { "k", 0, 0, NULL, 0, 0, dbgcCmdStack, "", "Callstack." }, + { "kv", 0, 0, NULL, 0, 0, dbgcCmdStack, "", "Verbose callstack." }, + { "kg", 0, 0, NULL, 0, 0, dbgcCmdStack, "", "Callstack - guest." }, + { "kgv", 0, 0, NULL, 0, 0, dbgcCmdStack, "", "Verbose callstack - guest." }, + { "kh", 0, 0, NULL, 0, 0, dbgcCmdStack, "", "Callstack - hypervisor." }, + { "lm", 0, ~0U, &g_aArgListMods[0], RT_ELEMENTS(g_aArgListMods), 0, dbgcCmdListModules, "[module [..]]", "List modules." }, + { "lmv", 0, ~0U, &g_aArgListMods[0], RT_ELEMENTS(g_aArgListMods), 0, dbgcCmdListModules, "[module [..]]", "List modules, verbose." }, + { "lmo", 0, ~0U, &g_aArgListMods[0], RT_ELEMENTS(g_aArgListMods), 0, dbgcCmdListModules, "[module [..]]", "List modules and their segments." }, + { "lmov", 0, ~0U, &g_aArgListMods[0], RT_ELEMENTS(g_aArgListMods), 0, dbgcCmdListModules, "[module [..]]", "List modules and their segments, verbose." }, + { "ln", 0, ~0U, &g_aArgListNear[0], RT_ELEMENTS(g_aArgListNear), 0, dbgcCmdListNear, "[addr/sym [..]]", "List symbols near to the address. Default address is CS:EIP." }, + { "ls", 0, 1, &g_aArgListSource[0],RT_ELEMENTS(g_aArgListSource), 0, dbgcCmdListSource, "[addr]", "Source." }, + { "m", 1, 1, &g_aArgMemoryInfo[0],RT_ELEMENTS(g_aArgMemoryInfo), 0, dbgcCmdMemoryInfo, "<addr>", "Display information about that piece of memory." }, + { "p", 0, 2, &g_aArgStepTrace[0], RT_ELEMENTS(g_aArgStepTrace), 0, dbgcCmdStepTrace, "[count] [cmds]", "Step over." }, + { "pr", 0, 0, NULL, 0, 0, dbgcCmdStepTraceToggle, "", "Toggle displaying registers for tracing & stepping (no code executed)." }, + { "pa", 1, 1, &g_aArgStepTraceTo[0], RT_ELEMENTS(g_aArgStepTraceTo), 0, dbgcCmdStepTraceTo, "<addr> [count] [cmds]","Step to the given address." }, + { "pc", 0, 0, &g_aArgStepTrace[0], RT_ELEMENTS(g_aArgStepTrace), 0, dbgcCmdStepTrace, "[count] [cmds]", "Step to the next call instruction." }, + { "pt", 0, 0, &g_aArgStepTrace[0], RT_ELEMENTS(g_aArgStepTrace), 0, dbgcCmdStepTrace, "[count] [cmds]", "Step to the next return instruction." }, + { "r", 0, 3, &g_aArgReg[0], RT_ELEMENTS(g_aArgReg), 0, dbgcCmdReg, "[reg [[=] newval]]", "Show or set register(s) - active reg set." }, + { "rg", 0, 3, &g_aArgReg[0], RT_ELEMENTS(g_aArgReg), 0, dbgcCmdRegGuest, "[reg [[=] newval]]", "Show or set register(s) - guest reg set." }, + { "rg32", 0, 0, NULL, 0, 0, dbgcCmdRegGuest, "", "Show 32-bit guest registers." }, + { "rg64", 0, 0, NULL, 0, 0, dbgcCmdRegGuest, "", "Show 64-bit guest registers." }, + { "rh", 0, 3, &g_aArgReg[0], RT_ELEMENTS(g_aArgReg), 0, dbgcCmdRegHyper, "[reg [[=] newval]]", "Show or set register(s) - hypervisor reg set." }, + { "rt", 0, 0, NULL, 0, 0, dbgcCmdRegTerse, "", "Toggles terse / verbose register info." }, + { "s", 0, ~0U, &g_aArgSearchMem[0], RT_ELEMENTS(g_aArgSearchMem), 0, dbgcCmdSearchMem, "[options] <range> <pattern>", "Continue last search." }, + { "sa", 2, ~0U, &g_aArgSearchMemType[0], RT_ELEMENTS(g_aArgSearchMemType),0, dbgcCmdSearchMemType, "<range> <pattern>", "Search memory for an ascii string." }, + { "sb", 2, ~0U, &g_aArgSearchMemType[0], RT_ELEMENTS(g_aArgSearchMemType),0, dbgcCmdSearchMemType, "<range> <pattern>", "Search memory for one or more bytes." }, + { "sd", 2, ~0U, &g_aArgSearchMemType[0], RT_ELEMENTS(g_aArgSearchMemType),0, dbgcCmdSearchMemType, "<range> <pattern>", "Search memory for one or more double words." }, + { "sq", 2, ~0U, &g_aArgSearchMemType[0], RT_ELEMENTS(g_aArgSearchMemType),0, dbgcCmdSearchMemType, "<range> <pattern>", "Search memory for one or more quad words." }, + { "su", 2, ~0U, &g_aArgSearchMemType[0], RT_ELEMENTS(g_aArgSearchMemType),0, dbgcCmdSearchMemType, "<range> <pattern>", "Search memory for an unicode string." }, + { "sw", 2, ~0U, &g_aArgSearchMemType[0], RT_ELEMENTS(g_aArgSearchMemType),0, dbgcCmdSearchMemType, "<range> <pattern>", "Search memory for one or more words." }, + { "sx", 0, ~0U, &g_aArgEventCtrlOpt[0], RT_ELEMENTS(g_aArgEventCtrlOpt), 0, dbgcCmdEventCtrlList, "[<event> [..]]", "Lists settings for exceptions, exits and other events. All if no filter is specified." }, + { "sx-", 3, ~0U, &g_aArgEventCtrl[0], RT_ELEMENTS(g_aArgEventCtrl), 0, dbgcCmdEventCtrl, "-c <cmd> <event> [..]", "Modifies the command for one or more exceptions, exits or other event. 'all' addresses all." }, + { "sxe", 1, ~0U, &g_aArgEventCtrl[0], RT_ELEMENTS(g_aArgEventCtrl), 0, dbgcCmdEventCtrl, "[-c <cmd>] <event> [..]", "Enable: Break into the debugger on the specified exceptions, exits and other events. 'all' addresses all." }, + { "sxn", 1, ~0U, &g_aArgEventCtrl[0], RT_ELEMENTS(g_aArgEventCtrl), 0, dbgcCmdEventCtrl, "[-c <cmd>] <event> [..]", "Notify: Display info in the debugger and continue on the specified exceptions, exits and other events. 'all' addresses all." }, + { "sxi", 1, ~0U, &g_aArgEventCtrl[0], RT_ELEMENTS(g_aArgEventCtrl), 0, dbgcCmdEventCtrl, "[-c <cmd>] <event> [..]", "Ignore: Ignore the specified exceptions, exits and other events ('all' = all of them). Without the -c option, the guest runs like normal." }, + { "sxr", 0, 0, &g_aArgEventCtrlOpt[0], RT_ELEMENTS(g_aArgEventCtrlOpt), 0, dbgcCmdEventCtrlReset, "", "Reset the settings to default for exceptions, exits and other events. All if no filter is specified." }, + { "t", 0, 2, &g_aArgStepTrace[0], RT_ELEMENTS(g_aArgStepTrace), 0, dbgcCmdStepTrace, "[count] [cmds]", "Trace ." }, + { "tr", 0, 0, NULL, 0, 0, dbgcCmdStepTraceToggle, "", "Toggle displaying registers for tracing & stepping (no code executed)." }, + { "ta", 1, 1, &g_aArgStepTraceTo[0], RT_ELEMENTS(g_aArgStepTraceTo), 0, dbgcCmdStepTraceTo, "<addr> [count] [cmds]","Trace to the given address." }, + { "tc", 0, 0, &g_aArgStepTrace[0], RT_ELEMENTS(g_aArgStepTrace), 0, dbgcCmdStepTrace, "[count] [cmds]", "Trace to the next call instruction." }, + { "tt", 0, 0, &g_aArgStepTrace[0], RT_ELEMENTS(g_aArgStepTrace), 0, dbgcCmdStepTrace, "[count] [cmds]", "Trace to the next return instruction." }, + { "u", 0, 1, &g_aArgUnassemble[0],RT_ELEMENTS(g_aArgUnassemble), 0, dbgcCmdUnassemble, "[addr]", "Unassemble." }, + { "u64", 0, 1, &g_aArgUnassemble[0],RT_ELEMENTS(g_aArgUnassemble), 0, dbgcCmdUnassemble, "[addr]", "Unassemble 64-bit code." }, + { "u32", 0, 1, &g_aArgUnassemble[0],RT_ELEMENTS(g_aArgUnassemble), 0, dbgcCmdUnassemble, "[addr]", "Unassemble 32-bit code." }, + { "u16", 0, 1, &g_aArgUnassemble[0],RT_ELEMENTS(g_aArgUnassemble), 0, dbgcCmdUnassemble, "[addr]", "Unassemble 16-bit code." }, + { "uv86", 0, 1, &g_aArgUnassemble[0],RT_ELEMENTS(g_aArgUnassemble), 0, dbgcCmdUnassemble, "[addr]", "Unassemble 16-bit code with v8086/real mode addressing." }, + { "ucfg", 0, 1, &g_aArgUnassembleCfg[0], RT_ELEMENTS(g_aArgUnassembleCfg), 0, dbgcCmdUnassembleCfg, "[addr]", "Unassemble creating a control flow graph." }, + { "ucfgc", 0, 1, &g_aArgUnassembleCfg[0], RT_ELEMENTS(g_aArgUnassembleCfg), 0, dbgcCmdUnassembleCfg, "[addr]", "Unassemble creating a control flow graph with colors." }, +}; + +/** The number of commands in the CodeView/WinDbg emulation. */ +const uint32_t g_cCmdsCodeView = RT_ELEMENTS(g_aCmdsCodeView); + + +/** + * Selectable debug event descriptors. + * + * @remarks Sorted by DBGCSXEVT::enmType value. + */ +const DBGCSXEVT g_aDbgcSxEvents[] = +{ + { DBGFEVENT_INTERRUPT_HARDWARE, "hwint", NULL, kDbgcSxEventKind_Interrupt, kDbgcEvtState_Disabled, 0, "Hardware interrupt" }, + { DBGFEVENT_INTERRUPT_SOFTWARE, "swint", NULL, kDbgcSxEventKind_Interrupt, kDbgcEvtState_Disabled, 0, "Software interrupt" }, + { DBGFEVENT_TRIPLE_FAULT, "triplefault", NULL, kDbgcSxEventKind_Plain, kDbgcEvtState_Enabled, 0, "Triple fault "}, + { DBGFEVENT_XCPT_DE, "xcpt_de", "de", kDbgcSxEventKind_Plain, kDbgcEvtState_Disabled, 0, "#DE (integer divide error)" }, + { DBGFEVENT_XCPT_DB, "xcpt_db", "db", kDbgcSxEventKind_Plain, kDbgcEvtState_Disabled, 0, "#DB (debug)" }, + { DBGFEVENT_XCPT_02, "xcpt_02", NULL, kDbgcSxEventKind_Plain, kDbgcEvtState_Disabled, 0, NULL }, + { DBGFEVENT_XCPT_BP, "xcpt_bp", "bp", kDbgcSxEventKind_Plain, kDbgcEvtState_Disabled, 0, "#BP (breakpoint)" }, + { DBGFEVENT_XCPT_OF, "xcpt_of", "of", kDbgcSxEventKind_Plain, kDbgcEvtState_Disabled, 0, "#OF (overflow (INTO))" }, + { DBGFEVENT_XCPT_BR, "xcpt_br", "br", kDbgcSxEventKind_Plain, kDbgcEvtState_Disabled, 0, "#BR (bound range exceeded)" }, + { DBGFEVENT_XCPT_UD, "xcpt_ud", "ud", kDbgcSxEventKind_Plain, kDbgcEvtState_Disabled, 0, "#UD (undefined opcode)" }, + { DBGFEVENT_XCPT_NM, "xcpt_nm", "nm", kDbgcSxEventKind_Plain, kDbgcEvtState_Disabled, 0, "#NM (FPU not available)" }, + { DBGFEVENT_XCPT_DF, "xcpt_df", "df", kDbgcSxEventKind_Plain, kDbgcEvtState_Disabled, 0, "#DF (double fault)" }, + { DBGFEVENT_XCPT_09, "xcpt_09", NULL, kDbgcSxEventKind_Plain, kDbgcEvtState_Disabled, 0, "Coprocessor segment overrun" }, + { DBGFEVENT_XCPT_TS, "xcpt_ts", "ts", kDbgcSxEventKind_Plain, kDbgcEvtState_Disabled, DBGCSXEVT_F_TAKE_ARG, "#TS (task switch)" }, + { DBGFEVENT_XCPT_NP, "xcpt_np", "np", kDbgcSxEventKind_Plain, kDbgcEvtState_Disabled, DBGCSXEVT_F_TAKE_ARG, "#NP (segment not present)" }, + { DBGFEVENT_XCPT_SS, "xcpt_ss", "ss", kDbgcSxEventKind_Plain, kDbgcEvtState_Disabled, DBGCSXEVT_F_TAKE_ARG, "#SS (stack segment fault)" }, + { DBGFEVENT_XCPT_GP, "xcpt_gp", "gp", kDbgcSxEventKind_Plain, kDbgcEvtState_Disabled, DBGCSXEVT_F_TAKE_ARG, "#GP (general protection fault)" }, + { DBGFEVENT_XCPT_PF, "xcpt_pf", "pf", kDbgcSxEventKind_Plain, kDbgcEvtState_Disabled, DBGCSXEVT_F_TAKE_ARG, "#PF (page fault)" }, + { DBGFEVENT_XCPT_0f, "xcpt_0f", "xcpt0f", kDbgcSxEventKind_Plain, kDbgcEvtState_Disabled, 0, NULL }, + { DBGFEVENT_XCPT_MF, "xcpt_mf", "mf", kDbgcSxEventKind_Plain, kDbgcEvtState_Disabled, 0, "#MF (math fault)" }, + { DBGFEVENT_XCPT_AC, "xcpt_ac", "ac", kDbgcSxEventKind_Plain, kDbgcEvtState_Disabled, 0, "#AC (alignment check)" }, + { DBGFEVENT_XCPT_MC, "xcpt_mc", "mc", kDbgcSxEventKind_Plain, kDbgcEvtState_Disabled, 0, "#MC (machine check)" }, + { DBGFEVENT_XCPT_XF, "xcpt_xf", "xf", kDbgcSxEventKind_Plain, kDbgcEvtState_Disabled, 0, "#XF (SIMD floating-point exception)" }, + { DBGFEVENT_XCPT_VE, "xcpt_vd", "ve", kDbgcSxEventKind_Plain, kDbgcEvtState_Disabled, 0, "#VE (virtualization exception)" }, + { DBGFEVENT_XCPT_15, "xcpt_15", NULL, kDbgcSxEventKind_Plain, kDbgcEvtState_Disabled, 0, NULL }, + { DBGFEVENT_XCPT_16, "xcpt_16", NULL, kDbgcSxEventKind_Plain, kDbgcEvtState_Disabled, 0, NULL }, + { DBGFEVENT_XCPT_17, "xcpt_17", NULL, kDbgcSxEventKind_Plain, kDbgcEvtState_Disabled, 0, NULL }, + { DBGFEVENT_XCPT_18, "xcpt_18", NULL, kDbgcSxEventKind_Plain, kDbgcEvtState_Disabled, 0, NULL }, + { DBGFEVENT_XCPT_19, "xcpt_19", NULL, kDbgcSxEventKind_Plain, kDbgcEvtState_Disabled, 0, NULL }, + { DBGFEVENT_XCPT_1a, "xcpt_1a", NULL, kDbgcSxEventKind_Plain, kDbgcEvtState_Disabled, 0, NULL }, + { DBGFEVENT_XCPT_1b, "xcpt_1b", NULL, kDbgcSxEventKind_Plain, kDbgcEvtState_Disabled, 0, NULL }, + { DBGFEVENT_XCPT_1c, "xcpt_1c", NULL, kDbgcSxEventKind_Plain, kDbgcEvtState_Disabled, 0, NULL }, + { DBGFEVENT_XCPT_1d, "xcpt_1d", NULL, kDbgcSxEventKind_Plain, kDbgcEvtState_Disabled, 0, NULL }, + { DBGFEVENT_XCPT_SX, "xcpt_sx", "sx", kDbgcSxEventKind_Plain, kDbgcEvtState_Disabled, DBGCSXEVT_F_TAKE_ARG, "#SX (security exception)" }, + { DBGFEVENT_XCPT_1f, "xcpt_1f", "xcpt1f", kDbgcSxEventKind_Plain, kDbgcEvtState_Disabled, 0, NULL }, + { DBGFEVENT_INSTR_HALT, "instr_halt", "hlt", kDbgcSxEventKind_Plain, kDbgcEvtState_Disabled, 0, NULL }, + { DBGFEVENT_INSTR_MWAIT, "instr_mwait", "mwait", kDbgcSxEventKind_Plain, kDbgcEvtState_Disabled, 0, NULL }, + { DBGFEVENT_INSTR_MONITOR, "instr_monitor", "monitor", kDbgcSxEventKind_Plain, kDbgcEvtState_Disabled, 0, NULL }, + { DBGFEVENT_INSTR_CPUID, "instr_cpuid", "cpuid", kDbgcSxEventKind_Plain, kDbgcEvtState_Disabled, 0, NULL }, + { DBGFEVENT_INSTR_INVD, "instr_invd", "invd", kDbgcSxEventKind_Plain, kDbgcEvtState_Disabled, 0, NULL }, + { DBGFEVENT_INSTR_WBINVD, "instr_wbinvd", "wbinvd", kDbgcSxEventKind_Plain, kDbgcEvtState_Disabled, 0, NULL }, + { DBGFEVENT_INSTR_INVLPG, "instr_invlpg", "invlpg", kDbgcSxEventKind_Plain, kDbgcEvtState_Disabled, 0, NULL }, + { DBGFEVENT_INSTR_RDTSC, "instr_rdtsc", "rdtsc", kDbgcSxEventKind_Plain, kDbgcEvtState_Disabled, 0, NULL }, + { DBGFEVENT_INSTR_RDTSCP, "instr_rdtscp", "rdtscp", kDbgcSxEventKind_Plain, kDbgcEvtState_Disabled, 0, NULL }, + { DBGFEVENT_INSTR_RDPMC, "instr_rdpmc", "rdpmc", kDbgcSxEventKind_Plain, kDbgcEvtState_Disabled, 0, NULL }, + { DBGFEVENT_INSTR_RDMSR, "instr_rdmsr", "rdmsr", kDbgcSxEventKind_Plain, kDbgcEvtState_Disabled, 0, NULL }, + { DBGFEVENT_INSTR_WRMSR, "instr_wrmsr", "wrmsr", kDbgcSxEventKind_Plain, kDbgcEvtState_Disabled, 0, NULL }, + { DBGFEVENT_INSTR_CRX_READ, "instr_crx_read", "crx_read", kDbgcSxEventKind_Plain, kDbgcEvtState_Disabled, DBGCSXEVT_F_TAKE_ARG, NULL }, + { DBGFEVENT_INSTR_CRX_WRITE, "instr_crx_write", "crx_write",kDbgcSxEventKind_Plain, kDbgcEvtState_Disabled, DBGCSXEVT_F_TAKE_ARG, NULL }, + { DBGFEVENT_INSTR_DRX_READ, "instr_drx_read", "drx_read", kDbgcSxEventKind_Plain, kDbgcEvtState_Disabled, DBGCSXEVT_F_TAKE_ARG, NULL }, + { DBGFEVENT_INSTR_DRX_WRITE, "instr_drx_write", "drx_write",kDbgcSxEventKind_Plain, kDbgcEvtState_Disabled, DBGCSXEVT_F_TAKE_ARG, NULL }, + { DBGFEVENT_INSTR_PAUSE, "instr_pause", "pause", kDbgcSxEventKind_Plain, kDbgcEvtState_Disabled, 0, NULL }, + { DBGFEVENT_INSTR_XSETBV, "instr_xsetbv", "xsetbv", kDbgcSxEventKind_Plain, kDbgcEvtState_Disabled, 0, NULL }, + { DBGFEVENT_INSTR_SIDT, "instr_sidt", "sidt", kDbgcSxEventKind_Plain, kDbgcEvtState_Disabled, 0, NULL }, + { DBGFEVENT_INSTR_LIDT, "instr_lidt", "lidt", kDbgcSxEventKind_Plain, kDbgcEvtState_Disabled, 0, NULL }, + { DBGFEVENT_INSTR_SGDT, "instr_sgdt", "sgdt", kDbgcSxEventKind_Plain, kDbgcEvtState_Disabled, 0, NULL }, + { DBGFEVENT_INSTR_LGDT, "instr_lgdt", "lgdt", kDbgcSxEventKind_Plain, kDbgcEvtState_Disabled, 0, NULL }, + { DBGFEVENT_INSTR_SLDT, "instr_sldt", "sldt", kDbgcSxEventKind_Plain, kDbgcEvtState_Disabled, 0, NULL }, + { DBGFEVENT_INSTR_LLDT, "instr_lldt", "lldt", kDbgcSxEventKind_Plain, kDbgcEvtState_Disabled, 0, NULL }, + { DBGFEVENT_INSTR_STR, "instr_str", "str", kDbgcSxEventKind_Plain, kDbgcEvtState_Disabled, 0, NULL }, + { DBGFEVENT_INSTR_LTR, "instr_ltr", "ltr", kDbgcSxEventKind_Plain, kDbgcEvtState_Disabled, 0, NULL }, + { DBGFEVENT_INSTR_GETSEC, "instr_getsec", "getsec", kDbgcSxEventKind_Plain, kDbgcEvtState_Disabled, 0, NULL }, + { DBGFEVENT_INSTR_RSM, "instr_rsm", "rsm", kDbgcSxEventKind_Plain, kDbgcEvtState_Disabled, 0, NULL }, + { DBGFEVENT_INSTR_RDRAND, "instr_rdrand", "rdrand", kDbgcSxEventKind_Plain, kDbgcEvtState_Disabled, 0, NULL }, + { DBGFEVENT_INSTR_RDSEED, "instr_rdseed", "rdseed", kDbgcSxEventKind_Plain, kDbgcEvtState_Disabled, 0, NULL }, + { DBGFEVENT_INSTR_XSAVES, "instr_xsaves", "xsaves", kDbgcSxEventKind_Plain, kDbgcEvtState_Disabled, 0, NULL }, + { DBGFEVENT_INSTR_XRSTORS, "instr_xrstors", "xrstors", kDbgcSxEventKind_Plain, kDbgcEvtState_Disabled, 0, NULL }, + { DBGFEVENT_INSTR_VMM_CALL, "instr_vmm_call", "vmm_call", kDbgcSxEventKind_Plain, kDbgcEvtState_Disabled, 0, NULL }, + { DBGFEVENT_INSTR_VMX_VMCLEAR, "instr_vmx_vmclear", "vmclear", kDbgcSxEventKind_Plain, kDbgcEvtState_Disabled, 0, NULL }, + { DBGFEVENT_INSTR_VMX_VMLAUNCH, "instr_vmx_vmlaunch", "vmlaunch", kDbgcSxEventKind_Plain, kDbgcEvtState_Disabled, 0, NULL }, + { DBGFEVENT_INSTR_VMX_VMPTRLD, "instr_vmx_vmptrld", "vmptrld", kDbgcSxEventKind_Plain, kDbgcEvtState_Disabled, 0, NULL }, + { DBGFEVENT_INSTR_VMX_VMPTRST, "instr_vmx_vmptrst", "vmptrst", kDbgcSxEventKind_Plain, kDbgcEvtState_Disabled, 0, NULL }, + { DBGFEVENT_INSTR_VMX_VMREAD, "instr_vmx_vmread", "vmread", kDbgcSxEventKind_Plain, kDbgcEvtState_Disabled, 0, NULL }, + { DBGFEVENT_INSTR_VMX_VMRESUME, "instr_vmx_vmresume", "vmresume", kDbgcSxEventKind_Plain, kDbgcEvtState_Disabled, 0, NULL }, + { DBGFEVENT_INSTR_VMX_VMWRITE, "instr_vmx_vmwrite", "vmwrite", kDbgcSxEventKind_Plain, kDbgcEvtState_Disabled, 0, NULL }, + { DBGFEVENT_INSTR_VMX_VMXOFF, "instr_vmx_vmxoff", "vmxoff", kDbgcSxEventKind_Plain, kDbgcEvtState_Disabled, 0, NULL }, + { DBGFEVENT_INSTR_VMX_VMXON, "instr_vmx_vmxon", "vmxon", kDbgcSxEventKind_Plain, kDbgcEvtState_Disabled, 0, NULL }, + { DBGFEVENT_INSTR_VMX_VMFUNC, "instr_vmx_vmfunc", "vmfunc", kDbgcSxEventKind_Plain, kDbgcEvtState_Disabled, 0, NULL }, + { DBGFEVENT_INSTR_VMX_INVEPT, "instr_vmx_invept", "invept", kDbgcSxEventKind_Plain, kDbgcEvtState_Disabled, 0, NULL }, + { DBGFEVENT_INSTR_VMX_INVVPID, "instr_vmx_invvpid", "invvpid", kDbgcSxEventKind_Plain, kDbgcEvtState_Disabled, 0, NULL }, + { DBGFEVENT_INSTR_VMX_INVPCID, "instr_vmx_invpcid", "invpcid", kDbgcSxEventKind_Plain, kDbgcEvtState_Disabled, 0, NULL }, + { DBGFEVENT_INSTR_SVM_VMRUN, "instr_svm_vmrun", "vmrun", kDbgcSxEventKind_Plain, kDbgcEvtState_Disabled, 0, NULL }, + { DBGFEVENT_INSTR_SVM_VMLOAD, "instr_svm_vmload", "vmload", kDbgcSxEventKind_Plain, kDbgcEvtState_Disabled, 0, NULL }, + { DBGFEVENT_INSTR_SVM_VMSAVE, "instr_svm_vmsave", "vmsave", kDbgcSxEventKind_Plain, kDbgcEvtState_Disabled, 0, NULL }, + { DBGFEVENT_INSTR_SVM_STGI, "instr_svm_stgi", "stgi", kDbgcSxEventKind_Plain, kDbgcEvtState_Disabled, 0, NULL }, + { DBGFEVENT_INSTR_SVM_CLGI, "instr_svm_clgi", "clgi", kDbgcSxEventKind_Plain, kDbgcEvtState_Disabled, 0, NULL }, + { DBGFEVENT_EXIT_TASK_SWITCH, "exit_task_switch", "task_switch", kDbgcSxEventKind_Plain, kDbgcEvtState_Disabled, 0, NULL }, + { DBGFEVENT_EXIT_HALT, "exit_halt", NULL, kDbgcSxEventKind_Plain, kDbgcEvtState_Disabled, 0, NULL }, + { DBGFEVENT_EXIT_MWAIT, "exit_mwait", NULL, kDbgcSxEventKind_Plain, kDbgcEvtState_Disabled, 0, NULL }, + { DBGFEVENT_EXIT_MONITOR, "exit_monitor", NULL, kDbgcSxEventKind_Plain, kDbgcEvtState_Disabled, 0, NULL }, + { DBGFEVENT_EXIT_CPUID, "exit_cpuid", NULL, kDbgcSxEventKind_Plain, kDbgcEvtState_Disabled, 0, NULL }, + { DBGFEVENT_EXIT_INVD, "exit_invd", NULL, kDbgcSxEventKind_Plain, kDbgcEvtState_Disabled, 0, NULL }, + { DBGFEVENT_EXIT_WBINVD, "exit_wbinvd", NULL, kDbgcSxEventKind_Plain, kDbgcEvtState_Disabled, 0, NULL }, + { DBGFEVENT_EXIT_INVLPG, "exit_invlpg", NULL, kDbgcSxEventKind_Plain, kDbgcEvtState_Disabled, 0, NULL }, + { DBGFEVENT_EXIT_RDTSC, "exit_rdtsc", NULL, kDbgcSxEventKind_Plain, kDbgcEvtState_Disabled, 0, NULL }, + { DBGFEVENT_EXIT_RDTSCP, "exit_rdtscp", NULL, kDbgcSxEventKind_Plain, kDbgcEvtState_Disabled, 0, NULL }, + { DBGFEVENT_EXIT_RDPMC, "exit_rdpmc", NULL, kDbgcSxEventKind_Plain, kDbgcEvtState_Disabled, 0, NULL }, + { DBGFEVENT_EXIT_RDMSR, "exit_rdmsr", NULL, kDbgcSxEventKind_Plain, kDbgcEvtState_Disabled, 0, NULL }, + { DBGFEVENT_EXIT_WRMSR, "exit_wrmsr", NULL, kDbgcSxEventKind_Plain, kDbgcEvtState_Disabled, 0, NULL }, + { DBGFEVENT_EXIT_CRX_READ, "exit_crx_read", NULL, kDbgcSxEventKind_Plain, kDbgcEvtState_Disabled, 0, NULL }, + { DBGFEVENT_EXIT_CRX_WRITE, "exit_crx_write", NULL, kDbgcSxEventKind_Plain, kDbgcEvtState_Disabled, 0, NULL }, + { DBGFEVENT_EXIT_DRX_READ, "exit_drx_read", NULL, kDbgcSxEventKind_Plain, kDbgcEvtState_Disabled, 0, NULL }, + { DBGFEVENT_EXIT_DRX_WRITE, "exit_drx_write", NULL, kDbgcSxEventKind_Plain, kDbgcEvtState_Disabled, 0, NULL }, + { DBGFEVENT_EXIT_PAUSE, "exit_pause", NULL, kDbgcSxEventKind_Plain, kDbgcEvtState_Disabled, 0, NULL }, + { DBGFEVENT_EXIT_XSETBV, "exit_xsetbv", NULL, kDbgcSxEventKind_Plain, kDbgcEvtState_Disabled, 0, NULL }, + { DBGFEVENT_EXIT_SIDT, "exit_sidt", NULL, kDbgcSxEventKind_Plain, kDbgcEvtState_Disabled, 0, NULL }, + { DBGFEVENT_EXIT_LIDT, "exit_lidt", NULL, kDbgcSxEventKind_Plain, kDbgcEvtState_Disabled, 0, NULL }, + { DBGFEVENT_EXIT_SGDT, "exit_sgdt", NULL, kDbgcSxEventKind_Plain, kDbgcEvtState_Disabled, 0, NULL }, + { DBGFEVENT_EXIT_LGDT, "exit_lgdt", NULL, kDbgcSxEventKind_Plain, kDbgcEvtState_Disabled, 0, NULL }, + { DBGFEVENT_EXIT_SLDT, "exit_sldt", NULL, kDbgcSxEventKind_Plain, kDbgcEvtState_Disabled, 0, NULL }, + { DBGFEVENT_EXIT_LLDT, "exit_lldt", NULL, kDbgcSxEventKind_Plain, kDbgcEvtState_Disabled, 0, NULL }, + { DBGFEVENT_EXIT_STR, "exit_str", NULL, kDbgcSxEventKind_Plain, kDbgcEvtState_Disabled, 0, NULL }, + { DBGFEVENT_EXIT_LTR, "exit_ltr", NULL, kDbgcSxEventKind_Plain, kDbgcEvtState_Disabled, 0, NULL }, + { DBGFEVENT_EXIT_GETSEC, "exit_getsec", NULL, kDbgcSxEventKind_Plain, kDbgcEvtState_Disabled, 0, NULL }, + { DBGFEVENT_EXIT_RSM, "exit_rsm", NULL, kDbgcSxEventKind_Plain, kDbgcEvtState_Disabled, 0, NULL }, + { DBGFEVENT_EXIT_RDRAND, "exit_rdrand", NULL, kDbgcSxEventKind_Plain, kDbgcEvtState_Disabled, 0, NULL }, + { DBGFEVENT_EXIT_RDSEED, "exit_rdseed", NULL, kDbgcSxEventKind_Plain, kDbgcEvtState_Disabled, 0, NULL }, + { DBGFEVENT_EXIT_XSAVES, "exit_xsaves", NULL, kDbgcSxEventKind_Plain, kDbgcEvtState_Disabled, 0, NULL }, + { DBGFEVENT_EXIT_XRSTORS, "exit_xrstors", NULL, kDbgcSxEventKind_Plain, kDbgcEvtState_Disabled, 0, NULL }, + { DBGFEVENT_EXIT_VMM_CALL, "exit_vmm_call", NULL, kDbgcSxEventKind_Plain, kDbgcEvtState_Disabled, 0, NULL }, + { DBGFEVENT_EXIT_VMX_VMCLEAR, "exit_vmx_vmclear", NULL, kDbgcSxEventKind_Plain, kDbgcEvtState_Disabled, 0, NULL }, + { DBGFEVENT_EXIT_VMX_VMLAUNCH, "exit_vmx_vmlaunch", NULL, kDbgcSxEventKind_Plain, kDbgcEvtState_Disabled, 0, NULL }, + { DBGFEVENT_EXIT_VMX_VMPTRLD, "exit_vmx_vmptrld", NULL, kDbgcSxEventKind_Plain, kDbgcEvtState_Disabled, 0, NULL }, + { DBGFEVENT_EXIT_VMX_VMPTRST, "exit_vmx_vmptrst", NULL, kDbgcSxEventKind_Plain, kDbgcEvtState_Disabled, 0, NULL }, + { DBGFEVENT_EXIT_VMX_VMREAD, "exit_vmx_vmread", NULL, kDbgcSxEventKind_Plain, kDbgcEvtState_Disabled, 0, NULL }, + { DBGFEVENT_EXIT_VMX_VMRESUME, "exit_vmx_vmresume", NULL, kDbgcSxEventKind_Plain, kDbgcEvtState_Disabled, 0, NULL }, + { DBGFEVENT_EXIT_VMX_VMWRITE, "exit_vmx_vmwrite", NULL, kDbgcSxEventKind_Plain, kDbgcEvtState_Disabled, 0, NULL }, + { DBGFEVENT_EXIT_VMX_VMXOFF, "exit_vmx_vmxoff", NULL, kDbgcSxEventKind_Plain, kDbgcEvtState_Disabled, 0, NULL }, + { DBGFEVENT_EXIT_VMX_VMXON, "exit_vmx_vmxon", NULL, kDbgcSxEventKind_Plain, kDbgcEvtState_Disabled, 0, NULL }, + { DBGFEVENT_EXIT_VMX_VMFUNC, "exit_vmx_vmfunc", NULL, kDbgcSxEventKind_Plain, kDbgcEvtState_Disabled, 0, NULL }, + { DBGFEVENT_EXIT_VMX_INVEPT, "exit_vmx_invept", NULL, kDbgcSxEventKind_Plain, kDbgcEvtState_Disabled, 0, NULL }, + { DBGFEVENT_EXIT_VMX_INVVPID, "exit_vmx_invvpid", NULL, kDbgcSxEventKind_Plain, kDbgcEvtState_Disabled, 0, NULL }, + { DBGFEVENT_EXIT_VMX_INVPCID, "exit_vmx_invpcid", NULL, kDbgcSxEventKind_Plain, kDbgcEvtState_Disabled, 0, NULL }, + { DBGFEVENT_EXIT_VMX_EPT_VIOLATION, "exit_vmx_ept_violation", "eptvio", kDbgcSxEventKind_Plain, kDbgcEvtState_Disabled, 0, NULL }, + { DBGFEVENT_EXIT_VMX_EPT_MISCONFIG, "exit_vmx_ept_misconfig", "eptmis", kDbgcSxEventKind_Plain, kDbgcEvtState_Disabled, 0, NULL }, + { DBGFEVENT_EXIT_VMX_VAPIC_ACCESS, "exit_vmx_vapic_access", NULL, kDbgcSxEventKind_Plain, kDbgcEvtState_Disabled, 0, NULL }, + { DBGFEVENT_EXIT_VMX_VAPIC_WRITE, "exit_vmx_vapic_write", NULL, kDbgcSxEventKind_Plain, kDbgcEvtState_Disabled, 0, NULL }, + { DBGFEVENT_EXIT_SVM_VMRUN, "exit_svm_vmrun", NULL, kDbgcSxEventKind_Plain, kDbgcEvtState_Disabled, 0, NULL }, + { DBGFEVENT_EXIT_SVM_VMLOAD, "exit_svm_vmload", NULL, kDbgcSxEventKind_Plain, kDbgcEvtState_Disabled, 0, NULL }, + { DBGFEVENT_EXIT_SVM_VMSAVE, "exit_svm_vmsave", NULL, kDbgcSxEventKind_Plain, kDbgcEvtState_Disabled, 0, NULL }, + { DBGFEVENT_EXIT_SVM_STGI, "exit_svm_stgi", NULL, kDbgcSxEventKind_Plain, kDbgcEvtState_Disabled, 0, NULL }, + { DBGFEVENT_EXIT_SVM_CLGI, "exit_svm_clgi", NULL, kDbgcSxEventKind_Plain, kDbgcEvtState_Disabled, 0, NULL }, + { DBGFEVENT_IOPORT_UNASSIGNED, "pio_unassigned", NULL, kDbgcSxEventKind_Plain, kDbgcEvtState_Disabled, 0, NULL }, + { DBGFEVENT_IOPORT_UNUSED, "pio_unused", NULL, kDbgcSxEventKind_Plain, kDbgcEvtState_Disabled, 0, NULL }, + { DBGFEVENT_MEMORY_UNASSIGNED, "mmio_unassigned", NULL, kDbgcSxEventKind_Plain, kDbgcEvtState_Disabled, 0, NULL }, + { DBGFEVENT_MEMORY_ROM_WRITE, "rom_write", NULL, kDbgcSxEventKind_Plain, kDbgcEvtState_Disabled, 0, NULL }, + { DBGFEVENT_BSOD_MSR, "bsod_msr", NULL, kDbgcSxEventKind_Plain, kDbgcEvtState_Disabled, DBGCSXEVT_F_BUGCHECK, NULL }, + { DBGFEVENT_BSOD_EFI, "bsod_efi", NULL, kDbgcSxEventKind_Plain, kDbgcEvtState_Disabled, DBGCSXEVT_F_BUGCHECK, NULL }, + { DBGFEVENT_BSOD_VMMDEV, "bsod_vmmdev", NULL, kDbgcSxEventKind_Plain, kDbgcEvtState_Disabled, DBGCSXEVT_F_BUGCHECK, NULL }, +}; +/** Number of entries in g_aDbgcSxEvents. */ +const uint32_t g_cDbgcSxEvents = RT_ELEMENTS(g_aDbgcSxEvents); + + + +/** + * @callback_method_impl{FNDBGCCMD, The 'g' command.} + */ +static DECLCALLBACK(int) dbgcCmdGo(PCDBGCCMD pCmd, PDBGCCMDHLP pCmdHlp, PUVM pUVM, PCDBGCVAR paArgs, unsigned cArgs) +{ + DBGC_CMDHLP_REQ_UVM_RET(pCmdHlp, pCmd, pUVM); + + /* + * Check if the VM is halted or not before trying to resume it. + */ + if (!DBGFR3IsHalted(pUVM)) + return DBGCCmdHlpFail(pCmdHlp, pCmd, "The VM is already running"); + + int rc = DBGFR3Resume(pUVM); + if (RT_FAILURE(rc)) + return DBGCCmdHlpFailRc(pCmdHlp, pCmd, rc, "DBGFR3Resume"); + + NOREF(paArgs); NOREF(cArgs); + return VINF_SUCCESS; +} + + +/** + * @callback_method_impl{FNDBGCCMD, The 'gu' command.} + */ +static DECLCALLBACK(int) dbgcCmdGoUp(PCDBGCCMD pCmd, PDBGCCMDHLP pCmdHlp, PUVM pUVM, PCDBGCVAR paArgs, unsigned cArgs) +{ + PDBGC pDbgc = DBGC_CMDHLP2DBGC(pCmdHlp); + RT_NOREF(pCmd, paArgs, cArgs); + + /* The simple way out. */ + PDBGFADDRESS pStackPop = NULL; /** @todo try set up some stack limitations */ + RTGCPTR cbStackPop = 0; + int rc = DBGFR3StepEx(pUVM, pDbgc->idCpu, DBGF_STEP_F_OVER | DBGF_STEP_F_STOP_AFTER_RET, NULL, pStackPop, cbStackPop, _512K); + if (RT_SUCCESS(rc)) + pDbgc->fReady = false; + else + return DBGCCmdHlpFailRc(pCmdHlp, pCmd, rc, "DBGFR3StepEx(,,DBGF_STEP_F_OVER | DBGF_STEP_F_STOP_AFTER_RET,) failed"); + return rc; +} + + +/** + * @callback_method_impl{FNDBGCCMD, The 'ba' command.} + */ +static DECLCALLBACK(int) dbgcCmdBrkAccess(PCDBGCCMD pCmd, PDBGCCMDHLP pCmdHlp, PUVM pUVM, PCDBGCVAR paArgs, unsigned cArgs) +{ + DBGC_CMDHLP_REQ_UVM_RET(pCmdHlp, pCmd, pUVM); + + /* + * Interpret access type. + */ + if ( !strchr("xrwi", paArgs[0].u.pszString[0]) + || paArgs[0].u.pszString[1]) + return DBGCCmdHlpFail(pCmdHlp, pCmd, "Invalid access type '%s' for '%s'. Valid types are 'e', 'r', 'w' and 'i'", + paArgs[0].u.pszString, pCmd->pszCmd); + uint8_t fType = 0; + switch (paArgs[0].u.pszString[0]) + { + case 'x': fType = X86_DR7_RW_EO; break; + case 'r': fType = X86_DR7_RW_RW; break; + case 'w': fType = X86_DR7_RW_WO; break; + case 'i': fType = X86_DR7_RW_IO; break; + } + + /* + * Validate size. + */ + if (fType == X86_DR7_RW_EO && paArgs[1].u.u64Number != 1) + return DBGCCmdHlpFail(pCmdHlp, pCmd, "Invalid access size %RX64 for '%s'. 'x' access type requires size 1!", + paArgs[1].u.u64Number, pCmd->pszCmd); + switch (paArgs[1].u.u64Number) + { + case 1: + case 2: + case 4: + break; + /*case 8: - later*/ + default: + return DBGCCmdHlpFail(pCmdHlp, pCmd, "Invalid access size %RX64 for '%s'. 1, 2 or 4!", + paArgs[1].u.u64Number, pCmd->pszCmd); + } + uint8_t cb = (uint8_t)paArgs[1].u.u64Number; + + /* + * Convert the pointer to a DBGF address. + */ + DBGFADDRESS Address; + int rc = DBGCCmdHlpVarToDbgfAddr(pCmdHlp, &paArgs[2], &Address); + if (RT_FAILURE(rc)) + return DBGCCmdHlpFailRc(pCmdHlp, pCmd, rc, "DBGCCmdHlpVarToDbgfAddr(,%DV,)", &paArgs[2]); + + /* + * Pick out the optional arguments. + */ + uint64_t iHitTrigger = 0; + uint64_t iHitDisable = UINT64_MAX; + const char *pszCmds = NULL; + unsigned iArg = 3; + if (iArg < cArgs && paArgs[iArg].enmType == DBGCVAR_TYPE_NUMBER) + { + iHitTrigger = paArgs[iArg].u.u64Number; + iArg++; + if (iArg < cArgs && paArgs[iArg].enmType == DBGCVAR_TYPE_NUMBER) + { + iHitDisable = paArgs[iArg].u.u64Number; + iArg++; + } + } + if (iArg < cArgs && paArgs[iArg].enmType == DBGCVAR_TYPE_STRING) + { + pszCmds = paArgs[iArg].u.pszString; + iArg++; + } + + /* + * Try set the breakpoint. + */ + uint32_t iBp; + rc = DBGFR3BpSetReg(pUVM, &Address, iHitTrigger, iHitDisable, fType, cb, &iBp); + if (RT_SUCCESS(rc)) + { + PDBGC pDbgc = DBGC_CMDHLP2DBGC(pCmdHlp); + rc = dbgcBpAdd(pDbgc, iBp, pszCmds); + if (RT_SUCCESS(rc)) + return DBGCCmdHlpPrintf(pCmdHlp, "Set access breakpoint %u at %RGv\n", iBp, Address.FlatPtr); + if (rc == VERR_DBGC_BP_EXISTS) + { + rc = dbgcBpUpdate(pDbgc, iBp, pszCmds); + if (RT_SUCCESS(rc)) + return DBGCCmdHlpPrintf(pCmdHlp, "Updated access breakpoint %u at %RGv\n", iBp, Address.FlatPtr); + } + int rc2 = DBGFR3BpClear(pDbgc->pUVM, iBp); + AssertRC(rc2); + } + return DBGCCmdHlpFailRc(pCmdHlp, pCmd, rc, "Failed to set access breakpoint at %RGv", Address.FlatPtr); +} + + +/** + * @callback_method_impl{FNDBGCCMD, The 'bc' command.} + */ +static DECLCALLBACK(int) dbgcCmdBrkClear(PCDBGCCMD pCmd, PDBGCCMDHLP pCmdHlp, PUVM pUVM, PCDBGCVAR paArgs, unsigned cArgs) +{ + DBGC_CMDHLP_REQ_UVM_RET(pCmdHlp, pCmd, pUVM); + + /* + * Enumerate the arguments. + */ + PDBGC pDbgc = DBGC_CMDHLP2DBGC(pCmdHlp); + int rc = VINF_SUCCESS; + for (unsigned iArg = 0; iArg < cArgs && RT_SUCCESS(rc); iArg++) + { + if (paArgs[iArg].enmType != DBGCVAR_TYPE_STRING) + { + /* one */ + uint32_t iBp = (uint32_t)paArgs[iArg].u.u64Number; + if (iBp == paArgs[iArg].u.u64Number) + { + int rc2 = DBGFR3BpClear(pUVM, iBp); + if (RT_FAILURE(rc2)) + rc = DBGCCmdHlpFailRc(pCmdHlp, pCmd, rc2, "DBGFR3BpClear(,%#x)", iBp); + if (RT_SUCCESS(rc2) || rc2 == VERR_DBGF_BP_NOT_FOUND) + dbgcBpDelete(pDbgc, iBp); + } + else + rc = DBGCCmdHlpFail(pCmdHlp, pCmd, "Breakpoint id %RX64 is too large", paArgs[iArg].u.u64Number); + } + else if (!strcmp(paArgs[iArg].u.pszString, "all")) + { + /* all */ + PDBGCBP pBp = pDbgc->pFirstBp; + while (pBp) + { + uint32_t iBp = pBp->iBp; + pBp = pBp->pNext; + + int rc2 = DBGFR3BpClear(pUVM, iBp); + if (RT_FAILURE(rc2)) + rc = DBGCCmdHlpFailRc(pCmdHlp, pCmd, rc2, "DBGFR3BpClear(,%#x)", iBp); + if (RT_SUCCESS(rc2) || rc2 == VERR_DBGF_BP_NOT_FOUND) + dbgcBpDelete(pDbgc, iBp); + } + } + else + rc = DBGCCmdHlpFail(pCmdHlp, pCmd, "Invalid argument '%s'", paArgs[iArg].u.pszString); + } + return rc; +} + + +/** + * @callback_method_impl{FNDBGCCMD, The 'bd' command.} + */ +static DECLCALLBACK(int) dbgcCmdBrkDisable(PCDBGCCMD pCmd, PDBGCCMDHLP pCmdHlp, PUVM pUVM, PCDBGCVAR paArgs, unsigned cArgs) +{ + /* + * Enumerate the arguments. + */ + int rc = VINF_SUCCESS; + for (unsigned iArg = 0; iArg < cArgs && RT_SUCCESS(rc); iArg++) + { + if (paArgs[iArg].enmType != DBGCVAR_TYPE_STRING) + { + /* one */ + uint32_t iBp = (uint32_t)paArgs[iArg].u.u64Number; + if (iBp == paArgs[iArg].u.u64Number) + { + rc = DBGFR3BpDisable(pUVM, iBp); + if (RT_FAILURE(rc)) + rc = DBGCCmdHlpFailRc(pCmdHlp, pCmd, rc, "DBGFR3BpDisable failed for breakpoint %#x", iBp); + } + else + rc = DBGCCmdHlpFail(pCmdHlp, pCmd, "Breakpoint id %RX64 is too large", paArgs[iArg].u.u64Number); + } + else if (!strcmp(paArgs[iArg].u.pszString, "all")) + { + /* all */ + PDBGC pDbgc = DBGC_CMDHLP2DBGC(pCmdHlp); + for (PDBGCBP pBp = pDbgc->pFirstBp; pBp; pBp = pBp->pNext) + { + int rc2 = DBGFR3BpDisable(pUVM, pBp->iBp); + if (RT_FAILURE(rc2)) + rc = DBGCCmdHlpFailRc(pCmdHlp, pCmd, rc2, "DBGFR3BpDisable failed for breakpoint %#x", pBp->iBp); + } + } + else + rc = DBGCCmdHlpFail(pCmdHlp, pCmd, "Invalid argument '%s'", paArgs[iArg].u.pszString); + } + return rc; +} + + +/** + * @callback_method_impl{FNDBGCCMD, The 'be' command.} + */ +static DECLCALLBACK(int) dbgcCmdBrkEnable(PCDBGCCMD pCmd, PDBGCCMDHLP pCmdHlp, PUVM pUVM, PCDBGCVAR paArgs, unsigned cArgs) +{ + DBGC_CMDHLP_REQ_UVM_RET(pCmdHlp, pCmd, pUVM); + + /* + * Enumerate the arguments. + */ + int rc = VINF_SUCCESS; + for (unsigned iArg = 0; iArg < cArgs && RT_SUCCESS(rc); iArg++) + { + if (paArgs[iArg].enmType != DBGCVAR_TYPE_STRING) + { + /* one */ + uint32_t iBp = (uint32_t)paArgs[iArg].u.u64Number; + if (iBp == paArgs[iArg].u.u64Number) + { + rc = DBGFR3BpEnable(pUVM, iBp); + if (RT_FAILURE(rc)) + rc = DBGCCmdHlpFailRc(pCmdHlp, pCmd, rc, "DBGFR3BpEnable failed for breakpoint %#x", iBp); + } + else + rc = DBGCCmdHlpFail(pCmdHlp, pCmd, "Breakpoint id %RX64 is too large", paArgs[iArg].u.u64Number); + } + else if (!strcmp(paArgs[iArg].u.pszString, "all")) + { + /* all */ + PDBGC pDbgc = DBGC_CMDHLP2DBGC(pCmdHlp); + for (PDBGCBP pBp = pDbgc->pFirstBp; pBp; pBp = pBp->pNext) + { + int rc2 = DBGFR3BpEnable(pUVM, pBp->iBp); + if (RT_FAILURE(rc2)) + rc = DBGCCmdHlpFailRc(pCmdHlp, pCmd, rc2, "DBGFR3BpEnable failed for breakpoint %#x", pBp->iBp); + } + } + else + rc = DBGCCmdHlpFail(pCmdHlp, pCmd, "Invalid argument '%s'", paArgs[iArg].u.pszString); + } + return rc; +} + + +/** + * Breakpoint enumeration callback function. + * + * @returns VBox status code. Any failure will stop the enumeration. + * @param pUVM The user mode VM handle. + * @param pvUser The user argument. + * @param pBp Pointer to the breakpoint information. (readonly) + */ +static DECLCALLBACK(int) dbgcEnumBreakpointsCallback(PUVM pUVM, void *pvUser, PCDBGFBP pBp) +{ + PDBGC pDbgc = (PDBGC)pvUser; + PDBGCBP pDbgcBp = dbgcBpGet(pDbgc, pBp->iBp); + + /* + * BP type and size. + */ + DBGCCmdHlpPrintf(&pDbgc->CmdHlp, "%#4x %c ", pBp->iBp, pBp->fEnabled ? 'e' : 'd'); + bool fHasAddress = false; + switch (pBp->enmType) + { + case DBGFBPTYPE_INT3: + DBGCCmdHlpPrintf(&pDbgc->CmdHlp, " p %RGv", pBp->u.Int3.GCPtr); + fHasAddress = true; + break; + case DBGFBPTYPE_REG: + { + char chType; + switch (pBp->u.Reg.fType) + { + case X86_DR7_RW_EO: chType = 'x'; break; + case X86_DR7_RW_WO: chType = 'w'; break; + case X86_DR7_RW_IO: chType = 'i'; break; + case X86_DR7_RW_RW: chType = 'r'; break; + default: chType = '?'; break; + + } + DBGCCmdHlpPrintf(&pDbgc->CmdHlp, "%d %c %RGv", pBp->u.Reg.cb, chType, pBp->u.Reg.GCPtr); + fHasAddress = true; + break; + } + + case DBGFBPTYPE_REM: + DBGCCmdHlpPrintf(&pDbgc->CmdHlp, " r %RGv", pBp->u.Rem.GCPtr); + fHasAddress = true; + break; + +/** @todo realign the list when I/O and MMIO breakpoint command have been added and it's possible to test this code. */ + case DBGFBPTYPE_PORT_IO: + case DBGFBPTYPE_MMIO: + { + uint32_t fAccess = pBp->enmType == DBGFBPTYPE_PORT_IO ? pBp->u.PortIo.fAccess : pBp->u.Mmio.fAccess; + DBGCCmdHlpPrintf(&pDbgc->CmdHlp, pBp->enmType == DBGFBPTYPE_PORT_IO ? " i" : " m"); + DBGCCmdHlpPrintf(&pDbgc->CmdHlp, " %c%c%c%c%c%c", + fAccess & DBGFBPIOACCESS_READ_MASK ? 'r' : '-', + fAccess & DBGFBPIOACCESS_READ_BYTE ? '1' : '-', + fAccess & DBGFBPIOACCESS_READ_WORD ? '2' : '-', + fAccess & DBGFBPIOACCESS_READ_DWORD ? '4' : '-', + fAccess & DBGFBPIOACCESS_READ_QWORD ? '8' : '-', + fAccess & DBGFBPIOACCESS_READ_OTHER ? '+' : '-'); + DBGCCmdHlpPrintf(&pDbgc->CmdHlp, " %c%c%c%c%c%c", + fAccess & DBGFBPIOACCESS_WRITE_MASK ? 'w' : '-', + fAccess & DBGFBPIOACCESS_WRITE_BYTE ? '1' : '-', + fAccess & DBGFBPIOACCESS_WRITE_WORD ? '2' : '-', + fAccess & DBGFBPIOACCESS_WRITE_DWORD ? '4' : '-', + fAccess & DBGFBPIOACCESS_WRITE_QWORD ? '8' : '-', + fAccess & DBGFBPIOACCESS_WRITE_OTHER ? '+' : '-'); + if (pBp->enmType == DBGFBPTYPE_PORT_IO) + DBGCCmdHlpPrintf(&pDbgc->CmdHlp, " %04x-%04x", + pBp->u.PortIo.uPort, pBp->u.PortIo.uPort + pBp->u.PortIo.cPorts - 1); + else + DBGCCmdHlpPrintf(&pDbgc->CmdHlp, "%RGp LB %03x", pBp->u.Mmio.PhysAddr, pBp->u.Mmio.cb); + break; + } + + default: + DBGCCmdHlpPrintf(&pDbgc->CmdHlp, " unknown type %d!!", pBp->enmType); + AssertFailed(); + break; + + } + if (pBp->iHitDisable == ~(uint64_t)0) + DBGCCmdHlpPrintf(&pDbgc->CmdHlp, " %04RX64 (%04RX64 to ~0) ", pBp->cHits, pBp->iHitTrigger); + else + DBGCCmdHlpPrintf(&pDbgc->CmdHlp, " %04RX64 (%04RX64 to %04RX64)", pBp->cHits, pBp->iHitTrigger, pBp->iHitDisable); + + /* + * Try resolve the address if it has one. + */ + if (fHasAddress) + { + RTDBGSYMBOL Sym; + RTINTPTR off; + DBGFADDRESS Addr; + int rc = DBGFR3AsSymbolByAddr(pUVM, pDbgc->hDbgAs, DBGFR3AddrFromFlat(pDbgc->pUVM, &Addr, pBp->u.GCPtr), + RTDBGSYMADDR_FLAGS_LESS_OR_EQUAL | RTDBGSYMADDR_FLAGS_SKIP_ABS_IN_DEFERRED, + &off, &Sym, NULL); + if (RT_SUCCESS(rc)) + { + if (!off) + DBGCCmdHlpPrintf(&pDbgc->CmdHlp, "%s", Sym.szName); + else if (off > 0) + DBGCCmdHlpPrintf(&pDbgc->CmdHlp, "%s+%RGv", Sym.szName, off); + else + DBGCCmdHlpPrintf(&pDbgc->CmdHlp, "%s-%RGv", Sym.szName, -off); + } + } + + /* + * The commands. + */ + if (pDbgcBp) + { + if (pDbgcBp->cchCmd) + DBGCCmdHlpPrintf(&pDbgc->CmdHlp, "\n cmds: '%s'\n", pDbgcBp->szCmd); + else + DBGCCmdHlpPrintf(&pDbgc->CmdHlp, "\n"); + } + else + DBGCCmdHlpPrintf(&pDbgc->CmdHlp, " [unknown bp]\n"); + + return VINF_SUCCESS; +} + + +/** + * @callback_method_impl{FNDBGCCMD, The 'bl' command.} + */ +static DECLCALLBACK(int) dbgcCmdBrkList(PCDBGCCMD pCmd, PDBGCCMDHLP pCmdHlp, PUVM pUVM, PCDBGCVAR paArgs, unsigned cArgs) +{ + DBGC_CMDHLP_REQ_UVM_RET(pCmdHlp, pCmd, pUVM); + DBGC_CMDHLP_ASSERT_PARSER_RET(pCmdHlp, pCmd, -1, cArgs == 0); + NOREF(paArgs); + + /* + * Enumerate the breakpoints. + */ + PDBGC pDbgc = DBGC_CMDHLP2DBGC(pCmdHlp); + int rc = DBGFR3BpEnum(pUVM, dbgcEnumBreakpointsCallback, pDbgc); + if (RT_FAILURE(rc)) + return DBGCCmdHlpFailRc(pCmdHlp, pCmd, rc, "DBGFR3BpEnum"); + return rc; +} + + +/** + * @callback_method_impl{FNDBGCCMD, The 'bp' command.} + */ +static DECLCALLBACK(int) dbgcCmdBrkSet(PCDBGCCMD pCmd, PDBGCCMDHLP pCmdHlp, PUVM pUVM, PCDBGCVAR paArgs, unsigned cArgs) +{ + /* + * Convert the pointer to a DBGF address. + */ + DBGFADDRESS Address; + int rc = DBGCCmdHlpVarToDbgfAddr(pCmdHlp, &paArgs[0], &Address); + if (RT_FAILURE(rc)) + return DBGCCmdHlpFailRc(pCmdHlp, pCmd, rc, "DBGCCmdHlpVarToDbgfAddr(,'%DV',)", &paArgs[0]); + + /* + * Pick out the optional arguments. + */ + uint64_t iHitTrigger = 0; + uint64_t iHitDisable = UINT64_MAX; + const char *pszCmds = NULL; + unsigned iArg = 1; + if (iArg < cArgs && paArgs[iArg].enmType == DBGCVAR_TYPE_NUMBER) + { + iHitTrigger = paArgs[iArg].u.u64Number; + iArg++; + if (iArg < cArgs && paArgs[iArg].enmType == DBGCVAR_TYPE_NUMBER) + { + iHitDisable = paArgs[iArg].u.u64Number; + iArg++; + } + } + if (iArg < cArgs && paArgs[iArg].enmType == DBGCVAR_TYPE_STRING) + { + pszCmds = paArgs[iArg].u.pszString; + iArg++; + } + + /* + * Try set the breakpoint. + */ + uint32_t iBp; + PDBGC pDbgc = DBGC_CMDHLP2DBGC(pCmdHlp); + rc = DBGFR3BpSetInt3(pUVM, pDbgc->idCpu, &Address, iHitTrigger, iHitDisable, &iBp); + if (RT_SUCCESS(rc)) + { + rc = dbgcBpAdd(pDbgc, iBp, pszCmds); + if (RT_SUCCESS(rc)) + return DBGCCmdHlpPrintf(pCmdHlp, "Set breakpoint %u at %RGv\n", iBp, Address.FlatPtr); + if (rc == VERR_DBGC_BP_EXISTS) + { + rc = dbgcBpUpdate(pDbgc, iBp, pszCmds); + if (RT_SUCCESS(rc)) + return DBGCCmdHlpPrintf(pCmdHlp, "Updated breakpoint %u at %RGv\n", iBp, Address.FlatPtr); + } + int rc2 = DBGFR3BpClear(pDbgc->pUVM, iBp); + AssertRC(rc2); + } + return DBGCCmdHlpFailRc(pCmdHlp, pCmd, rc, "Failed to set breakpoint at %RGv", Address.FlatPtr); +} + + +/** + * @callback_method_impl{FNDBGCCMD, The 'br' command.} + */ +static DECLCALLBACK(int) dbgcCmdBrkREM(PCDBGCCMD pCmd, PDBGCCMDHLP pCmdHlp, PUVM pUVM, PCDBGCVAR paArgs, unsigned cArgs) +{ + /* + * Convert the pointer to a DBGF address. + */ + DBGFADDRESS Address; + int rc = DBGCCmdHlpVarToDbgfAddr(pCmdHlp, &paArgs[0], &Address); + if (RT_FAILURE(rc)) + return DBGCCmdHlpFailRc(pCmdHlp, pCmd, rc, "DBGCCmdHlpVarToDbgfAddr(,'%DV',)", &paArgs[0]); + + /* + * Pick out the optional arguments. + */ + uint64_t iHitTrigger = 0; + uint64_t iHitDisable = UINT64_MAX; + const char *pszCmds = NULL; + unsigned iArg = 1; + if (iArg < cArgs && paArgs[iArg].enmType == DBGCVAR_TYPE_NUMBER) + { + iHitTrigger = paArgs[iArg].u.u64Number; + iArg++; + if (iArg < cArgs && paArgs[iArg].enmType == DBGCVAR_TYPE_NUMBER) + { + iHitDisable = paArgs[iArg].u.u64Number; + iArg++; + } + } + if (iArg < cArgs && paArgs[iArg].enmType == DBGCVAR_TYPE_STRING) + { + pszCmds = paArgs[iArg].u.pszString; + iArg++; + } + + /* + * Try set the breakpoint. + */ + uint32_t iBp; + rc = DBGFR3BpSetREM(pUVM, &Address, iHitTrigger, iHitDisable, &iBp); + if (RT_SUCCESS(rc)) + { + PDBGC pDbgc = DBGC_CMDHLP2DBGC(pCmdHlp); + rc = dbgcBpAdd(pDbgc, iBp, pszCmds); + if (RT_SUCCESS(rc)) + return DBGCCmdHlpPrintf(pCmdHlp, "Set REM breakpoint %u at %RGv\n", iBp, Address.FlatPtr); + if (rc == VERR_DBGC_BP_EXISTS) + { + rc = dbgcBpUpdate(pDbgc, iBp, pszCmds); + if (RT_SUCCESS(rc)) + return DBGCCmdHlpPrintf(pCmdHlp, "Updated REM breakpoint %u at %RGv\n", iBp, Address.FlatPtr); + } + int rc2 = DBGFR3BpClear(pDbgc->pUVM, iBp); + AssertRC(rc2); + } + return DBGCCmdHlpFailRc(pCmdHlp, pCmd, rc, "Failed to set REM breakpoint at %RGv", Address.FlatPtr); +} + + +/** + * Helps the unassmble ('u') command display symbols it starts at and passes. + * + * @param pUVM The user mode VM handle. + * @param pCmdHlp The command helpers for printing via. + * @param hDbgAs The address space to look up addresses in. + * @param pAddress The current address. + * @param pcbCallAgain Where to return the distance to the next check (in + * instruction bytes). + */ +static void dbgcCmdUnassambleHelpListNear(PUVM pUVM, PDBGCCMDHLP pCmdHlp, RTDBGAS hDbgAs, PCDBGFADDRESS pAddress, + PRTUINTPTR pcbCallAgain) +{ + RTDBGSYMBOL Symbol; + RTGCINTPTR offDispSym; + int rc = DBGFR3AsSymbolByAddr(pUVM, hDbgAs, pAddress, + RTDBGSYMADDR_FLAGS_LESS_OR_EQUAL | RTDBGSYMADDR_FLAGS_SKIP_ABS_IN_DEFERRED, + &offDispSym, &Symbol, NULL); + if (RT_FAILURE(rc) || offDispSym > _1G) + rc = DBGFR3AsSymbolByAddr(pUVM, hDbgAs, pAddress, + RTDBGSYMADDR_FLAGS_GREATER_OR_EQUAL | RTDBGSYMADDR_FLAGS_SKIP_ABS_IN_DEFERRED, + &offDispSym, &Symbol, NULL); + if (RT_SUCCESS(rc) && offDispSym < _1G) + { + if (!offDispSym) + { + DBGCCmdHlpPrintf(pCmdHlp, "%s:\n", Symbol.szName); + *pcbCallAgain = !Symbol.cb ? 64 : Symbol.cb; + } + else if (offDispSym > 0) + { + DBGCCmdHlpPrintf(pCmdHlp, "%s+%#llx:\n", Symbol.szName, (uint64_t)offDispSym); + *pcbCallAgain = !Symbol.cb ? 64 : Symbol.cb > (RTGCUINTPTR)offDispSym ? Symbol.cb - (RTGCUINTPTR)offDispSym : 1; + } + else + { + DBGCCmdHlpPrintf(pCmdHlp, "%s-%#llx:\n", Symbol.szName, (uint64_t)-offDispSym); + *pcbCallAgain = !Symbol.cb ? 64 : (RTGCUINTPTR)-offDispSym + Symbol.cb; + } + } + else + *pcbCallAgain = UINT32_MAX; +} + + +/** + * @callback_method_impl{FNDBGCCMD, The 'u' command.} + */ +static DECLCALLBACK(int) dbgcCmdUnassemble(PCDBGCCMD pCmd, PDBGCCMDHLP pCmdHlp, PUVM pUVM, PCDBGCVAR paArgs, unsigned cArgs) +{ + PDBGC pDbgc = DBGC_CMDHLP2DBGC(pCmdHlp); + + /* + * Validate input. + */ + DBGC_CMDHLP_REQ_UVM_RET(pCmdHlp, pCmd, pUVM); + DBGC_CMDHLP_ASSERT_PARSER_RET(pCmdHlp, pCmd, -1, cArgs <= 1); + DBGC_CMDHLP_ASSERT_PARSER_RET(pCmdHlp, pCmd, 0, cArgs == 0 || DBGCVAR_ISPOINTER(paArgs[0].enmType)); + + if (!cArgs && !DBGCVAR_ISPOINTER(pDbgc->DisasmPos.enmType)) + return DBGCCmdHlpFail(pCmdHlp, pCmd, "Don't know where to start disassembling"); + + /* + * Check the desired mode. + */ + unsigned fFlags = DBGF_DISAS_FLAGS_NO_ADDRESS | DBGF_DISAS_FLAGS_UNPATCHED_BYTES | DBGF_DISAS_FLAGS_ANNOTATE_PATCHED; + switch (pCmd->pszCmd[1]) + { + default: AssertFailed(); RT_FALL_THRU(); + case '\0': fFlags |= DBGF_DISAS_FLAGS_DEFAULT_MODE; break; + case '6': fFlags |= DBGF_DISAS_FLAGS_64BIT_MODE; break; + case '3': fFlags |= DBGF_DISAS_FLAGS_32BIT_MODE; break; + case '1': fFlags |= DBGF_DISAS_FLAGS_16BIT_MODE; break; + case 'v': fFlags |= DBGF_DISAS_FLAGS_16BIT_REAL_MODE; break; + } + + /** @todo should use DBGFADDRESS for everything */ + + /* + * Find address. + */ + if (!cArgs) + { + if (!DBGCVAR_ISPOINTER(pDbgc->DisasmPos.enmType)) + { + /** @todo Batch query CS, RIP, CPU mode and flags. */ + PVMCPU pVCpu = VMMR3GetCpuByIdU(pUVM, pDbgc->idCpu); + if ( pDbgc->fRegCtxGuest + && CPUMIsGuestIn64BitCode(pVCpu)) + { + pDbgc->DisasmPos.enmType = DBGCVAR_TYPE_GC_FLAT; + pDbgc->SourcePos.u.GCFlat = CPUMGetGuestRIP(pVCpu); + } + else + { + pDbgc->DisasmPos.enmType = DBGCVAR_TYPE_GC_FAR; + pDbgc->SourcePos.u.GCFar.off = pDbgc->fRegCtxGuest ? CPUMGetGuestEIP(pVCpu) : CPUMGetHyperEIP(pVCpu); + pDbgc->SourcePos.u.GCFar.sel = pDbgc->fRegCtxGuest ? CPUMGetGuestCS(pVCpu) : CPUMGetHyperCS(pVCpu); + if ( (fFlags & DBGF_DISAS_FLAGS_MODE_MASK) == DBGF_DISAS_FLAGS_DEFAULT_MODE + && pDbgc->fRegCtxGuest + && (CPUMGetGuestEFlags(pVCpu) & X86_EFL_VM)) + { + fFlags &= ~DBGF_DISAS_FLAGS_MODE_MASK; + fFlags |= DBGF_DISAS_FLAGS_16BIT_REAL_MODE; + } + } + + if (pDbgc->fRegCtxGuest) + fFlags |= DBGF_DISAS_FLAGS_CURRENT_GUEST; + else + fFlags |= DBGF_DISAS_FLAGS_CURRENT_HYPER | DBGF_DISAS_FLAGS_HYPER; + } + else if ((fFlags & DBGF_DISAS_FLAGS_MODE_MASK) == DBGF_DISAS_FLAGS_DEFAULT_MODE && pDbgc->fDisasm) + { + fFlags &= ~DBGF_DISAS_FLAGS_MODE_MASK; + fFlags |= pDbgc->fDisasm & (DBGF_DISAS_FLAGS_MODE_MASK | DBGF_DISAS_FLAGS_HYPER); + } + pDbgc->DisasmPos.enmRangeType = DBGCVAR_RANGE_NONE; + } + else + pDbgc->DisasmPos = paArgs[0]; + pDbgc->pLastPos = &pDbgc->DisasmPos; + + /* + * Range. + */ + switch (pDbgc->DisasmPos.enmRangeType) + { + case DBGCVAR_RANGE_NONE: + pDbgc->DisasmPos.enmRangeType = DBGCVAR_RANGE_ELEMENTS; + pDbgc->DisasmPos.u64Range = 10; + break; + + case DBGCVAR_RANGE_ELEMENTS: + if (pDbgc->DisasmPos.u64Range > 2048) + return DBGCCmdHlpFail(pCmdHlp, pCmd, "Too many lines requested. Max is 2048 lines"); + break; + + case DBGCVAR_RANGE_BYTES: + if (pDbgc->DisasmPos.u64Range > 65536) + return DBGCCmdHlpFail(pCmdHlp, pCmd, "The requested range is too big. Max is 64KB"); + break; + + default: + return DBGCCmdHlpFail(pCmdHlp, pCmd, "Unknown range type %d", pDbgc->DisasmPos.enmRangeType); + } + + /* + * Convert physical and host addresses to guest addresses. + */ + RTDBGAS hDbgAs = pDbgc->hDbgAs; + int rc; + switch (pDbgc->DisasmPos.enmType) + { + case DBGCVAR_TYPE_GC_FLAT: + case DBGCVAR_TYPE_GC_FAR: + break; + case DBGCVAR_TYPE_GC_PHYS: + hDbgAs = DBGF_AS_PHYS; + RT_FALL_THRU(); + case DBGCVAR_TYPE_HC_FLAT: + case DBGCVAR_TYPE_HC_PHYS: + { + DBGCVAR VarTmp; + rc = DBGCCmdHlpEval(pCmdHlp, &VarTmp, "%%(%Dv)", &pDbgc->DisasmPos); + if (RT_FAILURE(rc)) + return DBGCCmdHlpFailRc(pCmdHlp, pCmd, rc, "failed to evaluate '%%(%Dv)'", &pDbgc->DisasmPos); + pDbgc->DisasmPos = VarTmp; + break; + } + default: AssertFailed(); break; + } + + DBGFADDRESS CurAddr; + if ( (fFlags & DBGF_DISAS_FLAGS_MODE_MASK) == DBGF_DISAS_FLAGS_16BIT_REAL_MODE + && pDbgc->DisasmPos.enmType == DBGCVAR_TYPE_GC_FAR) + DBGFR3AddrFromFlat(pUVM, &CurAddr, ((uint32_t)pDbgc->DisasmPos.u.GCFar.sel << 4) + pDbgc->DisasmPos.u.GCFar.off); + else + { + rc = DBGCCmdHlpVarToDbgfAddr(pCmdHlp, &pDbgc->DisasmPos, &CurAddr); + if (RT_FAILURE(rc)) + return DBGCCmdHlpFailRc(pCmdHlp, pCmd, rc, "DBGCCmdHlpVarToDbgfAddr failed on '%Dv'", &pDbgc->DisasmPos); + } + + if (CurAddr.fFlags & DBGFADDRESS_FLAGS_HMA) + fFlags |= DBGF_DISAS_FLAGS_HYPER; /* This crap is due to not using DBGFADDRESS as DBGFR3Disas* input. */ + pDbgc->fDisasm = fFlags; + + /* + * Figure out where we are and display it. Also calculate when we need to + * check for a new symbol if possible. + */ + RTGCUINTPTR cbCheckSymbol; + dbgcCmdUnassambleHelpListNear(pUVM, pCmdHlp, hDbgAs, &CurAddr, &cbCheckSymbol); + + /* + * Do the disassembling. + */ + unsigned cTries = 32; + int iRangeLeft = (int)pDbgc->DisasmPos.u64Range; + if (iRangeLeft == 0) /* kludge for 'r'. */ + iRangeLeft = -1; + for (;;) + { + /* + * Disassemble the instruction. + */ + char szDis[256]; + uint32_t cbInstr = 1; + if (pDbgc->DisasmPos.enmType == DBGCVAR_TYPE_GC_FLAT) + rc = DBGFR3DisasInstrEx(pUVM, pDbgc->idCpu, DBGF_SEL_FLAT, pDbgc->DisasmPos.u.GCFlat, fFlags, + &szDis[0], sizeof(szDis), &cbInstr); + else + rc = DBGFR3DisasInstrEx(pUVM, pDbgc->idCpu, pDbgc->DisasmPos.u.GCFar.sel, pDbgc->DisasmPos.u.GCFar.off, fFlags, + &szDis[0], sizeof(szDis), &cbInstr); + if (RT_SUCCESS(rc)) + { + /* print it */ + rc = DBGCCmdHlpPrintf(pCmdHlp, "%-16DV %s\n", &pDbgc->DisasmPos, &szDis[0]); + if (RT_FAILURE(rc)) + return rc; + } + else + { + /* bitch. */ + int rc2 = DBGCCmdHlpPrintf(pCmdHlp, "Failed to disassemble instruction, skipping one byte.\n"); + if (RT_FAILURE(rc2)) + return rc2; + if (cTries-- > 0) + return DBGCCmdHlpFailRc(pCmdHlp, pCmd, rc, "Too many disassembly failures. Giving up"); + cbInstr = 1; + } + + /* advance */ + if (iRangeLeft < 0) /* 'r' */ + break; + if (pDbgc->DisasmPos.enmRangeType == DBGCVAR_RANGE_ELEMENTS) + iRangeLeft--; + else + iRangeLeft -= cbInstr; + rc = DBGCCmdHlpEval(pCmdHlp, &pDbgc->DisasmPos, "(%Dv) + %x", &pDbgc->DisasmPos, cbInstr); + if (RT_FAILURE(rc)) + return DBGCCmdHlpFailRc(pCmdHlp, pCmd, rc, "DBGCCmdHlpEval(,,'(%Dv) + %x')", &pDbgc->DisasmPos, cbInstr); + if (iRangeLeft <= 0) + break; + fFlags &= ~(DBGF_DISAS_FLAGS_CURRENT_GUEST | DBGF_DISAS_FLAGS_CURRENT_HYPER); + + /* Print next symbol? */ + if (cbCheckSymbol <= cbInstr) + { + if ( (fFlags & DBGF_DISAS_FLAGS_MODE_MASK) == DBGF_DISAS_FLAGS_16BIT_REAL_MODE + && pDbgc->DisasmPos.enmType == DBGCVAR_TYPE_GC_FAR) + DBGFR3AddrFromFlat(pUVM, &CurAddr, ((uint32_t)pDbgc->DisasmPos.u.GCFar.sel << 4) + pDbgc->DisasmPos.u.GCFar.off); + else + rc = DBGCCmdHlpVarToDbgfAddr(pCmdHlp, &pDbgc->DisasmPos, &CurAddr); + if (RT_SUCCESS(rc)) + dbgcCmdUnassambleHelpListNear(pUVM, pCmdHlp, hDbgAs, &CurAddr, &cbCheckSymbol); + else + cbCheckSymbol = UINT32_MAX; + } + else + cbCheckSymbol -= cbInstr; + } + + NOREF(pCmd); + return VINF_SUCCESS; +} + + +/** + * @callback_method_impl{FNDGCSCREENBLIT} + */ +static DECLCALLBACK(int) dbgcCmdUnassembleCfgBlit(const char *psz, void *pvUser) +{ + PDBGCCMDHLP pCmdHlp = (PDBGCCMDHLP)pvUser; + return DBGCCmdHlpPrintf(pCmdHlp, "%s", psz); +} + + +/** + * Checks whether both addresses are equal. + * + * @returns true if both addresses point to the same location, false otherwise. + * @param pAddr1 First address. + * @param pAddr2 Second address. + */ +static bool dbgcCmdUnassembleCfgAddrEqual(PDBGFADDRESS pAddr1, PDBGFADDRESS pAddr2) +{ + return pAddr1->Sel == pAddr2->Sel + && pAddr1->off == pAddr2->off; +} + + +/** + * Checks whether the first given address is lower than the second one. + * + * @returns true if both addresses point to the same location, false otherwise. + * @param pAddr1 First address. + * @param pAddr2 Second address. + */ +static bool dbgcCmdUnassembleCfgAddrLower(PDBGFADDRESS pAddr1, PDBGFADDRESS pAddr2) +{ + return pAddr1->Sel == pAddr2->Sel + && pAddr1->off < pAddr2->off; +} + + +/** + * Calculates the size required for the given basic block including the + * border and spacing on the edges. + * + * @returns nothing. + * @param hFlowBb The basic block handle. + * @param pDumpBb The dumper state to fill in for the basic block. + */ +static void dbgcCmdUnassembleCfgDumpCalcBbSize(DBGFFLOWBB hFlowBb, PDBGCFLOWBBDUMP pDumpBb) +{ + uint32_t fFlags = DBGFR3FlowBbGetFlags(hFlowBb); + uint32_t cInstr = DBGFR3FlowBbGetInstrCount(hFlowBb); + + pDumpBb->hFlowBb = hFlowBb; + pDumpBb->cchHeight = cInstr + 4; /* Include spacing and border top and bottom. */ + pDumpBb->cchWidth = 0; + DBGFR3FlowBbGetStartAddress(hFlowBb, &pDumpBb->AddrStart); + + DBGFFLOWBBENDTYPE enmType = DBGFR3FlowBbGetType(hFlowBb); + if ( enmType == DBGFFLOWBBENDTYPE_COND + || enmType == DBGFFLOWBBENDTYPE_UNCOND_JMP + || enmType == DBGFFLOWBBENDTYPE_UNCOND_INDIRECT_JMP) + DBGFR3FlowBbGetBranchAddress(hFlowBb, &pDumpBb->AddrTarget); + + if (fFlags & DBGF_FLOW_BB_F_INCOMPLETE_ERR) + { + const char *pszErr = NULL; + DBGFR3FlowBbQueryError(hFlowBb, &pszErr); + if (pszErr) + { + pDumpBb->cchHeight++; + pDumpBb->cchWidth = RT_MAX(pDumpBb->cchWidth, (uint32_t)strlen(pszErr)); + } + } + for (unsigned i = 0; i < cInstr; i++) + { + const char *pszInstr = NULL; + int rc = DBGFR3FlowBbQueryInstr(hFlowBb, i, NULL, NULL, &pszInstr); + AssertRC(rc); + pDumpBb->cchWidth = RT_MAX(pDumpBb->cchWidth, (uint32_t)strlen(pszInstr)); + } + pDumpBb->cchWidth += 4; /* Include spacing and border left and right. */ +} + + +/** + * Dumps a top or bottom boundary line. + * + * @returns nothing. + * @param hScreen The screen to draw to. + * @param uStartX Where to start drawing the boundary. + * @param uStartY Y coordinate. + * @param cchWidth Width of the boundary. + * @param enmColor The color to use for drawing. + */ +static void dbgcCmdUnassembleCfgDumpBbBoundary(DBGCSCREEN hScreen, uint32_t uStartX, uint32_t uStartY, uint32_t cchWidth, + DBGCSCREENCOLOR enmColor) +{ + dbgcScreenAsciiDrawCharacter(hScreen, uStartX, uStartY, '+', enmColor); + dbgcScreenAsciiDrawLineHorizontal(hScreen, uStartX + 1, uStartX + 1 + cchWidth - 2, + uStartY, '-', enmColor); + dbgcScreenAsciiDrawCharacter(hScreen, uStartX + cchWidth - 1, uStartY, '+', enmColor); +} + + +/** + * Dumps a spacing line between the top or bottom boundary and the actual disassembly. + * + * @returns nothing. + * @param hScreen The screen to draw to. + * @param uStartX Where to start drawing the spacing. + * @param uStartY Y coordinate. + * @param cchWidth Width of the spacing. + * @param enmColor The color to use for drawing. + */ +static void dbgcCmdUnassembleCfgDumpBbSpacing(DBGCSCREEN hScreen, uint32_t uStartX, uint32_t uStartY, uint32_t cchWidth, + DBGCSCREENCOLOR enmColor) +{ + dbgcScreenAsciiDrawCharacter(hScreen, uStartX, uStartY, '|', enmColor); + dbgcScreenAsciiDrawLineHorizontal(hScreen, uStartX + 1, uStartX + 1 + cchWidth - 2, + uStartY, ' ', enmColor); + dbgcScreenAsciiDrawCharacter(hScreen, uStartX + cchWidth - 1, uStartY, '|', enmColor); +} + + +/** + * Writes a given text to the screen. + * + * @returns nothing. + * @param hScreen The screen to draw to. + * @param uStartX Where to start drawing the line. + * @param uStartY Y coordinate. + * @param cchWidth Maximum width of the text. + * @param pszText The text to write. + * @param enmTextColor The color to use for drawing the text. + * @param enmBorderColor The color to use for drawing the border. + */ +static void dbgcCmdUnassembleCfgDumpBbText(DBGCSCREEN hScreen, uint32_t uStartX, uint32_t uStartY, + uint32_t cchWidth, const char *pszText, + DBGCSCREENCOLOR enmTextColor, DBGCSCREENCOLOR enmBorderColor) +{ + dbgcScreenAsciiDrawCharacter(hScreen, uStartX, uStartY, '|', enmBorderColor); + dbgcScreenAsciiDrawCharacter(hScreen, uStartX + 1, uStartY, ' ', enmTextColor); + dbgcScreenAsciiDrawString(hScreen, uStartX + 2, uStartY, pszText, enmTextColor); + dbgcScreenAsciiDrawCharacter(hScreen, uStartX + cchWidth - 1, uStartY, '|', enmBorderColor); +} + + +/** + * Dumps one basic block using the dumper callback. + * + * @returns nothing. + * @param pDumpBb The basic block dump state to dump. + * @param hScreen The screen to draw to. + */ +static void dbgcCmdUnassembleCfgDumpBb(PDBGCFLOWBBDUMP pDumpBb, DBGCSCREEN hScreen) +{ + uint32_t uStartY = pDumpBb->uStartY; + bool fError = RT_BOOL(DBGFR3FlowBbGetFlags(pDumpBb->hFlowBb) & DBGF_FLOW_BB_F_INCOMPLETE_ERR); + DBGCSCREENCOLOR enmColor = fError ? DBGCSCREENCOLOR_RED_BRIGHT : DBGCSCREENCOLOR_DEFAULT; + + dbgcCmdUnassembleCfgDumpBbBoundary(hScreen, pDumpBb->uStartX, uStartY, pDumpBb->cchWidth, enmColor); + uStartY++; + dbgcCmdUnassembleCfgDumpBbSpacing(hScreen, pDumpBb->uStartX, uStartY, pDumpBb->cchWidth, enmColor); + uStartY++; + + uint32_t cInstr = DBGFR3FlowBbGetInstrCount(pDumpBb->hFlowBb); + for (unsigned i = 0; i < cInstr; i++) + { + const char *pszInstr = NULL; + DBGFR3FlowBbQueryInstr(pDumpBb->hFlowBb, i, NULL, NULL, &pszInstr); + dbgcCmdUnassembleCfgDumpBbText(hScreen, pDumpBb->uStartX, uStartY + i, + pDumpBb->cchWidth, pszInstr, DBGCSCREENCOLOR_DEFAULT, + enmColor); + } + uStartY += cInstr; + + if (fError) + { + const char *pszErr = NULL; + DBGFR3FlowBbQueryError(pDumpBb->hFlowBb, &pszErr); + if (pszErr) + dbgcCmdUnassembleCfgDumpBbText(hScreen, pDumpBb->uStartX, uStartY, + pDumpBb->cchWidth, pszErr, enmColor, + enmColor); + uStartY++; + } + + dbgcCmdUnassembleCfgDumpBbSpacing(hScreen, pDumpBb->uStartX, uStartY, pDumpBb->cchWidth, enmColor); + uStartY++; + dbgcCmdUnassembleCfgDumpBbBoundary(hScreen, pDumpBb->uStartX, uStartY, pDumpBb->cchWidth, enmColor); + uStartY++; +} + + +/** + * Dumps one branch table using the dumper callback. + * + * @returns nothing. + * @param pDumpBranchTbl The basic block dump state to dump. + * @param hScreen The screen to draw to. + */ +static void dbgcCmdUnassembleCfgDumpBranchTbl(PDBGCFLOWBRANCHTBLDUMP pDumpBranchTbl, DBGCSCREEN hScreen) +{ + uint32_t uStartY = pDumpBranchTbl->uStartY; + DBGCSCREENCOLOR enmColor = DBGCSCREENCOLOR_CYAN_BRIGHT; + + dbgcCmdUnassembleCfgDumpBbBoundary(hScreen, pDumpBranchTbl->uStartX, uStartY, pDumpBranchTbl->cchWidth, enmColor); + uStartY++; + dbgcCmdUnassembleCfgDumpBbSpacing(hScreen, pDumpBranchTbl->uStartX, uStartY, pDumpBranchTbl->cchWidth, enmColor); + uStartY++; + + uint32_t cSlots = DBGFR3FlowBranchTblGetSlots(pDumpBranchTbl->hFlowBranchTbl); + for (unsigned i = 0; i < cSlots; i++) + { + DBGFADDRESS Addr; + char szAddr[128]; + + RT_ZERO(szAddr); + DBGFR3FlowBranchTblGetAddrAtSlot(pDumpBranchTbl->hFlowBranchTbl, i, &Addr); + + if (Addr.Sel == DBGF_SEL_FLAT) + RTStrPrintf(&szAddr[0], sizeof(szAddr), "%RGv", Addr.FlatPtr); + else + RTStrPrintf(&szAddr[0], sizeof(szAddr), "%04x:%RGv", Addr.Sel, Addr.off); + + dbgcCmdUnassembleCfgDumpBbText(hScreen, pDumpBranchTbl->uStartX, uStartY + i, + pDumpBranchTbl->cchWidth, &szAddr[0], DBGCSCREENCOLOR_DEFAULT, + enmColor); + } + uStartY += cSlots; + + dbgcCmdUnassembleCfgDumpBbSpacing(hScreen, pDumpBranchTbl->uStartX, uStartY, pDumpBranchTbl->cchWidth, enmColor); + uStartY++; + dbgcCmdUnassembleCfgDumpBbBoundary(hScreen, pDumpBranchTbl->uStartX, uStartY, pDumpBranchTbl->cchWidth, enmColor); + uStartY++; +} + + +/** + * Fills in the dump states for the basic blocks and branch tables. + * + * @returns VBox status code. + * @param hFlowIt The control flow graph iterator handle. + * @param hFlowBranchTblIt The control flow graph branch table iterator handle. + * @param paDumpBb The array of basic block dump states. + * @param paDumpBranchTbl The array of branch table dump states. + * @param cBbs Number of basic blocks. + * @param cBranchTbls Number of branch tables. + */ +static int dbgcCmdUnassembleCfgDumpCalcDimensions(DBGFFLOWIT hFlowIt, DBGFFLOWBRANCHTBLIT hFlowBranchTblIt, + PDBGCFLOWBBDUMP paDumpBb, PDBGCFLOWBRANCHTBLDUMP paDumpBranchTbl, + uint32_t cBbs, uint32_t cBranchTbls) +{ + RT_NOREF2(cBbs, cBranchTbls); + + /* Calculate the sizes of each basic block first. */ + DBGFFLOWBB hFlowBb = DBGFR3FlowItNext(hFlowIt); + uint32_t idx = 0; + while (hFlowBb) + { + dbgcCmdUnassembleCfgDumpCalcBbSize(hFlowBb, &paDumpBb[idx]); + idx++; + hFlowBb = DBGFR3FlowItNext(hFlowIt); + } + + if (paDumpBranchTbl) + { + idx = 0; + DBGFFLOWBRANCHTBL hFlowBranchTbl = DBGFR3FlowBranchTblItNext(hFlowBranchTblIt); + while (hFlowBranchTbl) + { + paDumpBranchTbl[idx].hFlowBranchTbl = hFlowBranchTbl; + paDumpBranchTbl[idx].cchHeight = DBGFR3FlowBranchTblGetSlots(hFlowBranchTbl) + 4; /* Spacing and border. */ + paDumpBranchTbl[idx].cchWidth = 25 + 4; /* Spacing and border. */ + idx++; + hFlowBranchTbl = DBGFR3FlowBranchTblItNext(hFlowBranchTblIt); + } + } + + return VINF_SUCCESS; +} + +/** + * Dumps the given control flow graph to the output. + * + * @returns VBox status code. + * @param hCfg The control flow graph handle. + * @param fUseColor Flag whether the output should be colorized. + * @param pCmdHlp The command helper callback table. + */ +static int dbgcCmdUnassembleCfgDump(DBGFFLOW hCfg, bool fUseColor, PDBGCCMDHLP pCmdHlp) +{ + int rc = VINF_SUCCESS; + DBGFFLOWIT hCfgIt = NULL; + DBGFFLOWBRANCHTBLIT hFlowBranchTblIt = NULL; + uint32_t cBbs = DBGFR3FlowGetBbCount(hCfg); + uint32_t cBranchTbls = DBGFR3FlowGetBranchTblCount(hCfg); + PDBGCFLOWBBDUMP paDumpBb = (PDBGCFLOWBBDUMP)RTMemTmpAllocZ(cBbs * sizeof(DBGCFLOWBBDUMP)); + PDBGCFLOWBRANCHTBLDUMP paDumpBranchTbl = NULL; + + if (cBranchTbls) + paDumpBranchTbl = (PDBGCFLOWBRANCHTBLDUMP)RTMemAllocZ(cBranchTbls * sizeof(DBGCFLOWBRANCHTBLDUMP)); + + if (RT_UNLIKELY(!paDumpBb || (!paDumpBranchTbl && cBranchTbls > 0))) + rc = VERR_NO_MEMORY; + if (RT_SUCCESS(rc)) + rc = DBGFR3FlowItCreate(hCfg, DBGFFLOWITORDER_BY_ADDR_LOWEST_FIRST, &hCfgIt); + if (RT_SUCCESS(rc) && cBranchTbls > 0) + rc = DBGFR3FlowBranchTblItCreate(hCfg, DBGFFLOWITORDER_BY_ADDR_LOWEST_FIRST, &hFlowBranchTblIt); + + if (RT_SUCCESS(rc)) + { + rc = dbgcCmdUnassembleCfgDumpCalcDimensions(hCfgIt, hFlowBranchTblIt, paDumpBb, paDumpBranchTbl, + cBbs, cBranchTbls); + + /* Calculate the ASCII screen dimensions and create one. */ + uint32_t cchWidth = 0; + uint32_t cchLeftExtra = 5; + uint32_t cchRightExtra = 5; + uint32_t cchHeight = 0; + for (unsigned i = 0; i < cBbs; i++) + { + PDBGCFLOWBBDUMP pDumpBb = &paDumpBb[i]; + cchWidth = RT_MAX(cchWidth, pDumpBb->cchWidth); + cchHeight += pDumpBb->cchHeight; + + /* Incomplete blocks don't have a successor. */ + if (DBGFR3FlowBbGetFlags(pDumpBb->hFlowBb) & DBGF_FLOW_BB_F_INCOMPLETE_ERR) + continue; + + switch (DBGFR3FlowBbGetType(pDumpBb->hFlowBb)) + { + case DBGFFLOWBBENDTYPE_EXIT: + case DBGFFLOWBBENDTYPE_LAST_DISASSEMBLED: + break; + case DBGFFLOWBBENDTYPE_UNCOND_JMP: + if ( dbgcCmdUnassembleCfgAddrLower(&pDumpBb->AddrTarget, &pDumpBb->AddrStart) + || dbgcCmdUnassembleCfgAddrEqual(&pDumpBb->AddrTarget, &pDumpBb->AddrStart)) + cchLeftExtra++; + else + cchRightExtra++; + break; + case DBGFFLOWBBENDTYPE_UNCOND: + cchHeight += 2; /* For the arrow down to the next basic block. */ + break; + case DBGFFLOWBBENDTYPE_COND: + cchHeight += 2; /* For the arrow down to the next basic block. */ + if ( dbgcCmdUnassembleCfgAddrLower(&pDumpBb->AddrTarget, &pDumpBb->AddrStart) + || dbgcCmdUnassembleCfgAddrEqual(&pDumpBb->AddrTarget, &pDumpBb->AddrStart)) + cchLeftExtra++; + else + cchRightExtra++; + break; + case DBGFFLOWBBENDTYPE_UNCOND_INDIRECT_JMP: + default: + AssertFailed(); + } + } + + for (unsigned i = 0; i < cBranchTbls; i++) + { + PDBGCFLOWBRANCHTBLDUMP pDumpBranchTbl = &paDumpBranchTbl[i]; + cchWidth = RT_MAX(cchWidth, pDumpBranchTbl->cchWidth); + cchHeight += pDumpBranchTbl->cchHeight; + } + + cchWidth += 2; + + DBGCSCREEN hScreen = NULL; + rc = dbgcScreenAsciiCreate(&hScreen, cchWidth + cchLeftExtra + cchRightExtra, cchHeight); + if (RT_SUCCESS(rc)) + { + uint32_t uY = 0; + + /* Dump the branch tables first. */ + for (unsigned i = 0; i < cBranchTbls; i++) + { + paDumpBranchTbl[i].uStartX = cchLeftExtra + (cchWidth - paDumpBranchTbl[i].cchWidth) / 2; + paDumpBranchTbl[i].uStartY = uY; + dbgcCmdUnassembleCfgDumpBranchTbl(&paDumpBranchTbl[i], hScreen); + uY += paDumpBranchTbl[i].cchHeight; + } + + /* Dump the basic blocks and connections to the immediate successor. */ + for (unsigned i = 0; i < cBbs; i++) + { + paDumpBb[i].uStartX = cchLeftExtra + (cchWidth - paDumpBb[i].cchWidth) / 2; + paDumpBb[i].uStartY = uY; + dbgcCmdUnassembleCfgDumpBb(&paDumpBb[i], hScreen); + uY += paDumpBb[i].cchHeight; + + /* Incomplete blocks don't have a successor. */ + if (DBGFR3FlowBbGetFlags(paDumpBb[i].hFlowBb) & DBGF_FLOW_BB_F_INCOMPLETE_ERR) + continue; + + switch (DBGFR3FlowBbGetType(paDumpBb[i].hFlowBb)) + { + case DBGFFLOWBBENDTYPE_EXIT: + case DBGFFLOWBBENDTYPE_LAST_DISASSEMBLED: + case DBGFFLOWBBENDTYPE_UNCOND_JMP: + case DBGFFLOWBBENDTYPE_UNCOND_INDIRECT_JMP: + break; + case DBGFFLOWBBENDTYPE_UNCOND: + /* Draw the arrow down to the next block. */ + dbgcScreenAsciiDrawCharacter(hScreen, cchLeftExtra + cchWidth / 2, uY, + '|', DBGCSCREENCOLOR_BLUE_BRIGHT); + uY++; + dbgcScreenAsciiDrawCharacter(hScreen, cchLeftExtra + cchWidth / 2, uY, + 'V', DBGCSCREENCOLOR_BLUE_BRIGHT); + uY++; + break; + case DBGFFLOWBBENDTYPE_COND: + /* Draw the arrow down to the next block. */ + dbgcScreenAsciiDrawCharacter(hScreen, cchLeftExtra + cchWidth / 2, uY, + '|', DBGCSCREENCOLOR_RED_BRIGHT); + uY++; + dbgcScreenAsciiDrawCharacter(hScreen, cchLeftExtra + cchWidth / 2, uY, + 'V', DBGCSCREENCOLOR_RED_BRIGHT); + uY++; + break; + default: + AssertFailed(); + } + } + + /* Last pass, connect all remaining branches. */ + uint32_t uBackConns = 0; + uint32_t uFwdConns = 0; + for (unsigned i = 0; i < cBbs; i++) + { + PDBGCFLOWBBDUMP pDumpBb = &paDumpBb[i]; + DBGFFLOWBBENDTYPE enmEndType = DBGFR3FlowBbGetType(pDumpBb->hFlowBb); + + /* Incomplete blocks don't have a successor. */ + if (DBGFR3FlowBbGetFlags(pDumpBb->hFlowBb) & DBGF_FLOW_BB_F_INCOMPLETE_ERR) + continue; + + switch (enmEndType) + { + case DBGFFLOWBBENDTYPE_EXIT: + case DBGFFLOWBBENDTYPE_LAST_DISASSEMBLED: + case DBGFFLOWBBENDTYPE_UNCOND: + break; + case DBGFFLOWBBENDTYPE_COND: + case DBGFFLOWBBENDTYPE_UNCOND_JMP: + { + /* Find the target first to get the coordinates. */ + PDBGCFLOWBBDUMP pDumpBbTgt = NULL; + for (unsigned idxDumpBb = 0; idxDumpBb < cBbs; idxDumpBb++) + { + pDumpBbTgt = &paDumpBb[idxDumpBb]; + if (dbgcCmdUnassembleCfgAddrEqual(&pDumpBb->AddrTarget, &pDumpBbTgt->AddrStart)) + break; + } + + DBGCSCREENCOLOR enmColor = enmEndType == DBGFFLOWBBENDTYPE_UNCOND_JMP + ? DBGCSCREENCOLOR_YELLOW_BRIGHT + : DBGCSCREENCOLOR_GREEN_BRIGHT; + + /* + * Use the right side for targets with higher addresses, + * left when jumping backwards. + */ + if ( dbgcCmdUnassembleCfgAddrLower(&pDumpBb->AddrTarget, &pDumpBb->AddrStart) + || dbgcCmdUnassembleCfgAddrEqual(&pDumpBb->AddrTarget, &pDumpBb->AddrStart)) + { + /* Going backwards. */ + uint32_t uXVerLine = /*cchLeftExtra - 1 -*/ uBackConns + 1; + uint32_t uYHorLine = pDumpBb->uStartY + pDumpBb->cchHeight - 1 - 2; + uBackConns++; + + /* Draw the arrow pointing to the target block. */ + dbgcScreenAsciiDrawCharacter(hScreen, pDumpBbTgt->uStartX - 1, pDumpBbTgt->uStartY, + '>', enmColor); + /* Draw the horizontal line. */ + dbgcScreenAsciiDrawLineHorizontal(hScreen, uXVerLine + 1, pDumpBbTgt->uStartX - 2, + pDumpBbTgt->uStartY, '-', enmColor); + dbgcScreenAsciiDrawCharacter(hScreen, uXVerLine, pDumpBbTgt->uStartY, '+', + enmColor); + /* Draw the vertical line down to the source block. */ + dbgcScreenAsciiDrawLineVertical(hScreen, uXVerLine, pDumpBbTgt->uStartY + 1, uYHorLine - 1, + '|', enmColor); + dbgcScreenAsciiDrawCharacter(hScreen, uXVerLine, uYHorLine, '+', enmColor); + /* Draw the horizontal connection between the source block and vertical part. */ + dbgcScreenAsciiDrawLineHorizontal(hScreen, uXVerLine + 1, pDumpBb->uStartX - 1, + uYHorLine, '-', enmColor); + + } + else + { + /* Going forward. */ + uint32_t uXVerLine = cchWidth + cchLeftExtra + (cchRightExtra - uFwdConns) - 1; + uint32_t uYHorLine = pDumpBb->uStartY + pDumpBb->cchHeight - 1 - 2; + uFwdConns++; + + /* Draw the horizontal line. */ + dbgcScreenAsciiDrawLineHorizontal(hScreen, pDumpBb->uStartX + pDumpBb->cchWidth, + uXVerLine - 1, uYHorLine, '-', enmColor); + dbgcScreenAsciiDrawCharacter(hScreen, uXVerLine, uYHorLine, '+', enmColor); + /* Draw the vertical line down to the target block. */ + dbgcScreenAsciiDrawLineVertical(hScreen, uXVerLine, uYHorLine + 1, pDumpBbTgt->uStartY - 1, + '|', enmColor); + /* Draw the horizontal connection between the target block and vertical part. */ + dbgcScreenAsciiDrawLineHorizontal(hScreen, pDumpBbTgt->uStartX + pDumpBbTgt->cchWidth, + uXVerLine, pDumpBbTgt->uStartY, '-', enmColor); + dbgcScreenAsciiDrawCharacter(hScreen, uXVerLine, pDumpBbTgt->uStartY, '+', + enmColor); + /* Draw the arrow pointing to the target block. */ + dbgcScreenAsciiDrawCharacter(hScreen, pDumpBbTgt->uStartX + pDumpBbTgt->cchWidth, + pDumpBbTgt->uStartY, '<', enmColor); + } + break; + } + case DBGFFLOWBBENDTYPE_UNCOND_INDIRECT_JMP: + default: + AssertFailed(); + } + } + + rc = dbgcScreenAsciiBlit(hScreen, dbgcCmdUnassembleCfgBlit, pCmdHlp, fUseColor); + dbgcScreenAsciiDestroy(hScreen); + } + } + + if (paDumpBb) + { + for (unsigned i = 0; i < cBbs; i++) + DBGFR3FlowBbRelease(paDumpBb[i].hFlowBb); + RTMemTmpFree(paDumpBb); + } + + if (paDumpBranchTbl) + { + for (unsigned i = 0; i < cBranchTbls; i++) + DBGFR3FlowBranchTblRelease(paDumpBranchTbl[i].hFlowBranchTbl); + RTMemTmpFree(paDumpBranchTbl); + } + + if (hCfgIt) + DBGFR3FlowItDestroy(hCfgIt); + if (hFlowBranchTblIt) + DBGFR3FlowBranchTblItDestroy(hFlowBranchTblIt); + + return rc; +} + + +/** + * @callback_method_impl{FNDBGCCMD, The 'ucfg' command.} + */ +static DECLCALLBACK(int) dbgcCmdUnassembleCfg(PCDBGCCMD pCmd, PDBGCCMDHLP pCmdHlp, PUVM pUVM, PCDBGCVAR paArgs, unsigned cArgs) +{ + PDBGC pDbgc = DBGC_CMDHLP2DBGC(pCmdHlp); + + /* + * Validate input. + */ + DBGC_CMDHLP_REQ_UVM_RET(pCmdHlp, pCmd, pUVM); + DBGC_CMDHLP_ASSERT_PARSER_RET(pCmdHlp, pCmd, -1, cArgs <= 1); + DBGC_CMDHLP_ASSERT_PARSER_RET(pCmdHlp, pCmd, 0, cArgs == 0 || DBGCVAR_ISPOINTER(paArgs[0].enmType)); + + if (!cArgs && !DBGCVAR_ISPOINTER(pDbgc->DisasmPos.enmType)) + return DBGCCmdHlpFail(pCmdHlp, pCmd, "Don't know where to start disassembling"); + + /* + * Check the desired mode. + */ + unsigned fFlags = DBGF_DISAS_FLAGS_UNPATCHED_BYTES | DBGF_DISAS_FLAGS_ANNOTATE_PATCHED; + bool fUseColor = false; + switch (pCmd->pszCmd[4]) + { + default: AssertFailed(); RT_FALL_THRU(); + case '\0': fFlags |= DBGF_DISAS_FLAGS_DEFAULT_MODE; break; + case '6': fFlags |= DBGF_DISAS_FLAGS_64BIT_MODE; break; + case '3': fFlags |= DBGF_DISAS_FLAGS_32BIT_MODE; break; + case '1': fFlags |= DBGF_DISAS_FLAGS_16BIT_MODE; break; + case 'v': fFlags |= DBGF_DISAS_FLAGS_16BIT_REAL_MODE; break; + case 'c': fUseColor = true; break; + } + + /** @todo should use DBGFADDRESS for everything */ + + /* + * Find address. + */ + if (!cArgs) + { + if (!DBGCVAR_ISPOINTER(pDbgc->DisasmPos.enmType)) + { + /** @todo Batch query CS, RIP, CPU mode and flags. */ + PVMCPU pVCpu = VMMR3GetCpuByIdU(pUVM, pDbgc->idCpu); + if ( pDbgc->fRegCtxGuest + && CPUMIsGuestIn64BitCode(pVCpu)) + { + pDbgc->DisasmPos.enmType = DBGCVAR_TYPE_GC_FLAT; + pDbgc->SourcePos.u.GCFlat = CPUMGetGuestRIP(pVCpu); + } + else + { + pDbgc->DisasmPos.enmType = DBGCVAR_TYPE_GC_FAR; + pDbgc->SourcePos.u.GCFar.off = pDbgc->fRegCtxGuest ? CPUMGetGuestEIP(pVCpu) : CPUMGetHyperEIP(pVCpu); + pDbgc->SourcePos.u.GCFar.sel = pDbgc->fRegCtxGuest ? CPUMGetGuestCS(pVCpu) : CPUMGetHyperCS(pVCpu); + if ( (fFlags & DBGF_DISAS_FLAGS_MODE_MASK) == DBGF_DISAS_FLAGS_DEFAULT_MODE + && pDbgc->fRegCtxGuest + && (CPUMGetGuestEFlags(pVCpu) & X86_EFL_VM)) + { + fFlags &= ~DBGF_DISAS_FLAGS_MODE_MASK; + fFlags |= DBGF_DISAS_FLAGS_16BIT_REAL_MODE; + } + } + + if (pDbgc->fRegCtxGuest) + fFlags |= DBGF_DISAS_FLAGS_CURRENT_GUEST; + else + fFlags |= DBGF_DISAS_FLAGS_CURRENT_HYPER | DBGF_DISAS_FLAGS_HYPER; + } + else if ((fFlags & DBGF_DISAS_FLAGS_MODE_MASK) == DBGF_DISAS_FLAGS_DEFAULT_MODE && pDbgc->fDisasm) + { + fFlags &= ~DBGF_DISAS_FLAGS_MODE_MASK; + fFlags |= pDbgc->fDisasm & (DBGF_DISAS_FLAGS_MODE_MASK | DBGF_DISAS_FLAGS_HYPER); + } + pDbgc->DisasmPos.enmRangeType = DBGCVAR_RANGE_NONE; + } + else + pDbgc->DisasmPos = paArgs[0]; + pDbgc->pLastPos = &pDbgc->DisasmPos; + + /* + * Range. + */ + switch (pDbgc->DisasmPos.enmRangeType) + { + case DBGCVAR_RANGE_NONE: + pDbgc->DisasmPos.enmRangeType = DBGCVAR_RANGE_ELEMENTS; + pDbgc->DisasmPos.u64Range = 10; + break; + + case DBGCVAR_RANGE_ELEMENTS: + if (pDbgc->DisasmPos.u64Range > 2048) + return DBGCCmdHlpFail(pCmdHlp, pCmd, "Too many lines requested. Max is 2048 lines"); + break; + + case DBGCVAR_RANGE_BYTES: + if (pDbgc->DisasmPos.u64Range > 65536) + return DBGCCmdHlpFail(pCmdHlp, pCmd, "The requested range is too big. Max is 64KB"); + break; + + default: + return DBGCCmdHlpFail(pCmdHlp, pCmd, "Unknown range type %d", pDbgc->DisasmPos.enmRangeType); + } + + /* + * Convert physical and host addresses to guest addresses. + */ + RTDBGAS hDbgAs = pDbgc->hDbgAs; + int rc; + switch (pDbgc->DisasmPos.enmType) + { + case DBGCVAR_TYPE_GC_FLAT: + case DBGCVAR_TYPE_GC_FAR: + break; + case DBGCVAR_TYPE_GC_PHYS: + hDbgAs = DBGF_AS_PHYS; + RT_FALL_THRU(); + case DBGCVAR_TYPE_HC_FLAT: + case DBGCVAR_TYPE_HC_PHYS: + { + DBGCVAR VarTmp; + rc = DBGCCmdHlpEval(pCmdHlp, &VarTmp, "%%(%Dv)", &pDbgc->DisasmPos); + if (RT_FAILURE(rc)) + return DBGCCmdHlpFailRc(pCmdHlp, pCmd, rc, "failed to evaluate '%%(%Dv)'", &pDbgc->DisasmPos); + pDbgc->DisasmPos = VarTmp; + break; + } + default: AssertFailed(); break; + } + + DBGFADDRESS CurAddr; + if ( (fFlags & DBGF_DISAS_FLAGS_MODE_MASK) == DBGF_DISAS_FLAGS_16BIT_REAL_MODE + && pDbgc->DisasmPos.enmType == DBGCVAR_TYPE_GC_FAR) + DBGFR3AddrFromFlat(pUVM, &CurAddr, ((uint32_t)pDbgc->DisasmPos.u.GCFar.sel << 4) + pDbgc->DisasmPos.u.GCFar.off); + else + { + rc = DBGCCmdHlpVarToDbgfAddr(pCmdHlp, &pDbgc->DisasmPos, &CurAddr); + if (RT_FAILURE(rc)) + return DBGCCmdHlpFailRc(pCmdHlp, pCmd, rc, "DBGCCmdHlpVarToDbgfAddr failed on '%Dv'", &pDbgc->DisasmPos); + } + + DBGFFLOW hCfg; + rc = DBGFR3FlowCreate(pUVM, pDbgc->idCpu, &CurAddr, 0 /*cbDisasmMax*/, + DBGF_FLOW_CREATE_F_TRY_RESOLVE_INDIRECT_BRANCHES, fFlags, &hCfg); + if (RT_SUCCESS(rc)) + { + /* Dump the graph. */ + rc = dbgcCmdUnassembleCfgDump(hCfg, fUseColor, pCmdHlp); + DBGFR3FlowRelease(hCfg); + } + else + rc = DBGCCmdHlpFailRc(pCmdHlp, pCmd, rc, "DBGFR3FlowCreate failed on '%Dv'", &pDbgc->DisasmPos); + + NOREF(pCmd); + return rc; +} + + +/** + * @callback_method_impl{FNDBGCCMD, The 'ls' command.} + */ +static DECLCALLBACK(int) dbgcCmdListSource(PCDBGCCMD pCmd, PDBGCCMDHLP pCmdHlp, PUVM pUVM, PCDBGCVAR paArgs, unsigned cArgs) +{ + PDBGC pDbgc = DBGC_CMDHLP2DBGC(pCmdHlp); + + /* + * Validate input. + */ + DBGC_CMDHLP_ASSERT_PARSER_RET(pCmdHlp, pCmd, 0, cArgs <= 1); + if (cArgs == 1) + DBGC_CMDHLP_ASSERT_PARSER_RET(pCmdHlp, pCmd, 0, DBGCVAR_ISPOINTER(paArgs[0].enmType)); + if (!pUVM && !cArgs && !DBGCVAR_ISPOINTER(pDbgc->SourcePos.enmType)) + return DBGCCmdHlpFail(pCmdHlp, pCmd, "Don't know where to start listing..."); + if (!pUVM && cArgs && DBGCVAR_ISGCPOINTER(paArgs[0].enmType)) + return DBGCCmdHlpFail(pCmdHlp, pCmd, "GC address but no VM"); + + /* + * Find address. + */ + if (!cArgs) + { + if (!DBGCVAR_ISPOINTER(pDbgc->SourcePos.enmType)) + { + PVMCPU pVCpu = VMMR3GetCpuByIdU(pUVM, pDbgc->idCpu); + pDbgc->SourcePos.enmType = DBGCVAR_TYPE_GC_FAR; + pDbgc->SourcePos.u.GCFar.off = pDbgc->fRegCtxGuest ? CPUMGetGuestEIP(pVCpu) : CPUMGetHyperEIP(pVCpu); + pDbgc->SourcePos.u.GCFar.sel = pDbgc->fRegCtxGuest ? CPUMGetGuestCS(pVCpu) : CPUMGetHyperCS(pVCpu); + } + pDbgc->SourcePos.enmRangeType = DBGCVAR_RANGE_NONE; + } + else + pDbgc->SourcePos = paArgs[0]; + pDbgc->pLastPos = &pDbgc->SourcePos; + + /* + * Ensure the source address is flat GC. + */ + switch (pDbgc->SourcePos.enmType) + { + case DBGCVAR_TYPE_GC_FLAT: + break; + case DBGCVAR_TYPE_GC_PHYS: + case DBGCVAR_TYPE_GC_FAR: + case DBGCVAR_TYPE_HC_FLAT: + case DBGCVAR_TYPE_HC_PHYS: + { + int rc = DBGCCmdHlpEval(pCmdHlp, &pDbgc->SourcePos, "%%(%Dv)", &pDbgc->SourcePos); + if (RT_FAILURE(rc)) + return DBGCCmdHlpPrintf(pCmdHlp, "error: Invalid address or address type. (rc=%d)\n", rc); + break; + } + default: AssertFailed(); break; + } + + /* + * Range. + */ + switch (pDbgc->SourcePos.enmRangeType) + { + case DBGCVAR_RANGE_NONE: + pDbgc->SourcePos.enmRangeType = DBGCVAR_RANGE_ELEMENTS; + pDbgc->SourcePos.u64Range = 10; + break; + + case DBGCVAR_RANGE_ELEMENTS: + if (pDbgc->SourcePos.u64Range > 2048) + return DBGCCmdHlpPrintf(pCmdHlp, "error: Too many lines requested. Max is 2048 lines.\n"); + break; + + case DBGCVAR_RANGE_BYTES: + if (pDbgc->SourcePos.u64Range > 65536) + return DBGCCmdHlpPrintf(pCmdHlp, "error: The requested range is too big. Max is 64KB.\n"); + break; + + default: + return DBGCCmdHlpPrintf(pCmdHlp, "internal error: Unknown range type %d.\n", pDbgc->SourcePos.enmRangeType); + } + + /* + * Do the disassembling. + */ + bool fFirst = 1; + RTDBGLINE LinePrev = { 0, 0, 0, 0, 0, "" }; + int iRangeLeft = (int)pDbgc->SourcePos.u64Range; + if (iRangeLeft == 0) /* kludge for 'r'. */ + iRangeLeft = -1; + for (;;) + { + /* + * Get line info. + */ + RTDBGLINE Line; + RTGCINTPTR off; + DBGFADDRESS SourcePosAddr; + int rc = DBGCCmdHlpVarToDbgfAddr(pCmdHlp, &pDbgc->SourcePos, &SourcePosAddr); + if (RT_FAILURE(rc)) + return DBGCCmdHlpFailRc(pCmdHlp, pCmd, rc, "DBGCCmdHlpVarToDbgfAddr(,%Dv)", &pDbgc->SourcePos); + rc = DBGFR3AsLineByAddr(pUVM, pDbgc->hDbgAs, &SourcePosAddr, &off, &Line, NULL); + if (RT_FAILURE(rc)) + return VINF_SUCCESS; + + unsigned cLines = 0; + if (memcmp(&Line, &LinePrev, sizeof(Line))) + { + /* + * Print filenamename + */ + if (!fFirst && strcmp(Line.szFilename, LinePrev.szFilename)) + fFirst = true; + if (fFirst) + { + rc = DBGCCmdHlpPrintf(pCmdHlp, "[%s @ %d]\n", Line.szFilename, Line.uLineNo); + if (RT_FAILURE(rc)) + return rc; + } + + /* + * Try open the file and read the line. + */ + FILE *phFile = fopen(Line.szFilename, "r"); + if (phFile) + { + /* Skip ahead to the desired line. */ + char szLine[4096]; + unsigned cBefore = fFirst ? RT_MIN(2, Line.uLineNo - 1) : Line.uLineNo - LinePrev.uLineNo - 1; + if (cBefore > 7) + cBefore = 0; + unsigned cLeft = Line.uLineNo - cBefore; + while (cLeft > 0) + { + szLine[0] = '\0'; + if (!fgets(szLine, sizeof(szLine), phFile)) + break; + cLeft--; + } + if (!cLeft) + { + /* print the before lines */ + for (;;) + { + size_t cch = strlen(szLine); + while (cch > 0 && (szLine[cch - 1] == '\r' || szLine[cch - 1] == '\n' || RT_C_IS_SPACE(szLine[cch - 1])) ) + szLine[--cch] = '\0'; + if (cBefore-- <= 0) + break; + + rc = DBGCCmdHlpPrintf(pCmdHlp, " %4d: %s\n", Line.uLineNo - cBefore - 1, szLine); + szLine[0] = '\0'; + const char *pszShutUpGcc = fgets(szLine, sizeof(szLine), phFile); NOREF(pszShutUpGcc); + cLines++; + } + /* print the actual line */ + rc = DBGCCmdHlpPrintf(pCmdHlp, "%08llx %4d: %s\n", Line.Address, Line.uLineNo, szLine); + } + fclose(phFile); + if (RT_FAILURE(rc)) + return rc; + fFirst = false; + } + else + return DBGCCmdHlpPrintf(pCmdHlp, "Warning: couldn't open source file '%s'\n", Line.szFilename); + + LinePrev = Line; + } + + + /* + * Advance + */ + if (iRangeLeft < 0) /* 'r' */ + break; + if (pDbgc->SourcePos.enmRangeType == DBGCVAR_RANGE_ELEMENTS) + iRangeLeft -= cLines; + else + iRangeLeft -= 1; + rc = DBGCCmdHlpEval(pCmdHlp, &pDbgc->SourcePos, "(%Dv) + %x", &pDbgc->SourcePos, 1); + if (RT_FAILURE(rc)) + return pCmdHlp->pfnVBoxError(pCmdHlp, rc, "Expression: (%Dv) + %x\n", &pDbgc->SourcePos, 1); + if (iRangeLeft <= 0) + break; + } + + NOREF(pCmd); + return 0; +} + + +/** + * @callback_method_impl{FNDBGCCMD, The 'r' command.} + */ +static DECLCALLBACK(int) dbgcCmdReg(PCDBGCCMD pCmd, PDBGCCMDHLP pCmdHlp, PUVM pUVM, PCDBGCVAR paArgs, unsigned cArgs) +{ + PDBGC pDbgc = DBGC_CMDHLP2DBGC(pCmdHlp); + if (!pDbgc->fRegCtxGuest) + return dbgcCmdRegHyper(pCmd, pCmdHlp, pUVM, paArgs, cArgs); + return dbgcCmdRegGuest(pCmd, pCmdHlp, pUVM, paArgs, cArgs); +} + + +/** + * @callback_method_impl{FNDBGCCMD, Common worker for the dbgcCmdReg*() + * commands.} + */ +static DECLCALLBACK(int) dbgcCmdRegCommon(PCDBGCCMD pCmd, PDBGCCMDHLP pCmdHlp, PUVM pUVM, PCDBGCVAR paArgs, unsigned cArgs, + const char *pszPrefix) +{ + PDBGC pDbgc = DBGC_CMDHLP2DBGC(pCmdHlp); + DBGC_CMDHLP_ASSERT_PARSER_RET(pCmdHlp, pCmd, 0, cArgs == 1 || cArgs == 2 || cArgs == 3); + DBGC_CMDHLP_ASSERT_PARSER_RET(pCmdHlp, pCmd, 0, paArgs[0].enmType == DBGCVAR_TYPE_STRING + || paArgs[0].enmType == DBGCVAR_TYPE_SYMBOL); + + /* + * Parse the register name and kind. + */ + const char *pszReg = paArgs[0].u.pszString; + if (*pszReg == '@') + pszReg++; + VMCPUID idCpu = pDbgc->idCpu; + if (*pszPrefix) + idCpu |= DBGFREG_HYPER_VMCPUID; + if (*pszReg == '.') + { + pszReg++; + idCpu |= DBGFREG_HYPER_VMCPUID; + } + const char * const pszActualPrefix = idCpu & DBGFREG_HYPER_VMCPUID ? "." : ""; + + /* + * Query the register type & value (the setter needs the type). + */ + DBGFREGVALTYPE enmType; + DBGFREGVAL Value; + int rc = DBGFR3RegNmQuery(pUVM, idCpu, pszReg, &Value, &enmType); + if (RT_FAILURE(rc)) + { + if (rc == VERR_DBGF_REGISTER_NOT_FOUND) + return DBGCCmdHlpVBoxError(pCmdHlp, VERR_INVALID_PARAMETER, "Unknown register: '%s%s'.\n", + pszActualPrefix, pszReg); + return DBGCCmdHlpVBoxError(pCmdHlp, rc, "DBGFR3RegNmQuery failed querying '%s%s': %Rrc.\n", + pszActualPrefix, pszReg, rc); + } + if (cArgs == 1) + { + /* + * Show the register. + */ + char szValue[160]; + rc = DBGFR3RegFormatValue(szValue, sizeof(szValue), &Value, enmType, true /*fSpecial*/); + if (RT_SUCCESS(rc)) + rc = DBGCCmdHlpPrintf(pCmdHlp, "%s%s=%s\n", pszActualPrefix, pszReg, szValue); + else + rc = DBGCCmdHlpVBoxError(pCmdHlp, rc, "DBGFR3RegFormatValue failed: %Rrc.\n", rc); + } + else + { + DBGCVAR NewValueTmp; + PCDBGCVAR pNewValue; + if (cArgs == 3) + { + DBGC_CMDHLP_ASSERT_PARSER_RET(pCmdHlp, pCmd, 1, paArgs[1].enmType == DBGCVAR_TYPE_STRING); + if (strcmp(paArgs[1].u.pszString, "=")) + return DBGCCmdHlpFail(pCmdHlp, pCmd, "Second argument must be '='."); + pNewValue = &paArgs[2]; + } + else + { + /* Not possible to convince the parser to support both codeview and + windbg syntax and make the equal sign optional. Try help it. */ + /** @todo make DBGCCmdHlpConvert do more with strings. */ + rc = DBGCCmdHlpConvert(pCmdHlp, &paArgs[1], DBGCVAR_TYPE_NUMBER, true /*fConvSyms*/, &NewValueTmp); + if (RT_FAILURE(rc)) + return DBGCCmdHlpFailRc(pCmdHlp, pCmd, rc, "The last argument must be a value or valid symbol."); + pNewValue = &NewValueTmp; + } + + /* + * Modify the register. + */ + DBGC_CMDHLP_ASSERT_PARSER_RET(pCmdHlp, pCmd, 1, pNewValue->enmType == DBGCVAR_TYPE_NUMBER); + if (enmType != DBGFREGVALTYPE_DTR) + { + enmType = DBGFREGVALTYPE_U64; + rc = DBGCCmdHlpVarToNumber(pCmdHlp, pNewValue, &Value.u64); + } + else + { + enmType = DBGFREGVALTYPE_DTR; + rc = DBGCCmdHlpVarToNumber(pCmdHlp, pNewValue, &Value.dtr.u64Base); + if (RT_SUCCESS(rc) && pNewValue->enmRangeType != DBGCVAR_RANGE_NONE) + Value.dtr.u32Limit = (uint32_t)pNewValue->u64Range; + } + if (RT_SUCCESS(rc)) + { + rc = DBGFR3RegNmSet(pUVM, idCpu, pszReg, &Value, enmType); + if (RT_FAILURE(rc)) + rc = DBGCCmdHlpVBoxError(pCmdHlp, rc, "DBGFR3RegNmSet failed settings '%s%s': %Rrc\n", + pszActualPrefix, pszReg, rc); + if (rc != VINF_SUCCESS) + DBGCCmdHlpPrintf(pCmdHlp, "%s: warning: %Rrc\n", pCmd->pszCmd, rc); + } + else + rc = DBGCCmdHlpVBoxError(pCmdHlp, rc, "DBGFR3RegFormatValue failed: %Rrc.\n", rc); + } + return rc; +} + + +/** + * @callback_method_impl{FNDBGCCMD, + * The 'rg'\, 'rg64' and 'rg32' commands\, worker for 'r'.} + */ +static DECLCALLBACK(int) dbgcCmdRegGuest(PCDBGCCMD pCmd, PDBGCCMDHLP pCmdHlp, PUVM pUVM, PCDBGCVAR paArgs, unsigned cArgs) +{ + /* + * Show all registers our selves. + */ + if (cArgs == 0) + { + PDBGC pDbgc = DBGC_CMDHLP2DBGC(pCmdHlp); + bool const f64BitMode = !strcmp(pCmd->pszCmd, "rg64") + || ( strcmp(pCmd->pszCmd, "rg32") != 0 + && DBGFR3CpuIsIn64BitCode(pUVM, pDbgc->idCpu)); + char szDisAndRegs[8192]; + int rc; + + if (pDbgc->fRegTerse) + { + if (f64BitMode) + rc = DBGFR3RegPrintf(pUVM, pDbgc->idCpu, &szDisAndRegs[0], sizeof(szDisAndRegs), + "u %016VR{rip} L 0\n" + "rax=%016VR{rax} rbx=%016VR{rbx} rcx=%016VR{rcx} rdx=%016VR{rdx}\n" + "rsi=%016VR{rsi} rdi=%016VR{rdi} r8 =%016VR{r8} r9 =%016VR{r9}\n" + "r10=%016VR{r10} r11=%016VR{r11} r12=%016VR{r12} r13=%016VR{r13}\n" + "r14=%016VR{r14} r15=%016VR{r15} %VRF{rflags}\n" + "rip=%016VR{rip} rsp=%016VR{rsp} rbp=%016VR{rbp}\n" + "cs=%04VR{cs} ds=%04VR{ds} es=%04VR{es} fs=%04VR{fs} gs=%04VR{gs} ss=%04VR{ss} rflags=%08VR{rflags}\n"); + else + rc = DBGFR3RegPrintf(pUVM, pDbgc->idCpu, szDisAndRegs, sizeof(szDisAndRegs), + "u %04VR{cs}:%08VR{eip} L 0\n" + "eax=%08VR{eax} ebx=%08VR{ebx} ecx=%08VR{ecx} edx=%08VR{edx} esi=%08VR{esi} edi=%08VR{edi}\n" + "eip=%08VR{eip} esp=%08VR{esp} ebp=%08VR{ebp} %VRF{eflags}\n" + "cs=%04VR{cs} ds=%04VR{ds} es=%04VR{es} fs=%04VR{fs} gs=%04VR{gs} ss=%04VR{ss} eflags=%08VR{eflags}\n"); + } + else + { + if (f64BitMode) + rc = DBGFR3RegPrintf(pUVM, pDbgc->idCpu, &szDisAndRegs[0], sizeof(szDisAndRegs), + "u %016VR{rip} L 0\n" + "rax=%016VR{rax} rbx=%016VR{rbx} rcx=%016VR{rcx} rdx=%016VR{rdx}\n" + "rsi=%016VR{rsi} rdi=%016VR{rdi} r8 =%016VR{r8} r9 =%016VR{r9}\n" + "r10=%016VR{r10} r11=%016VR{r11} r12=%016VR{r12} r13=%016VR{r13}\n" + "r14=%016VR{r14} r15=%016VR{r15} %VRF{rflags}\n" + "rip=%016VR{rip} rsp=%016VR{rsp} rbp=%016VR{rbp}\n" + "cs={%04VR{cs} base=%016VR{cs_base} limit=%08VR{cs_lim} flags=%04VR{cs_attr}} cr0=%016VR{cr0}\n" + "ds={%04VR{ds} base=%016VR{ds_base} limit=%08VR{ds_lim} flags=%04VR{ds_attr}} cr2=%016VR{cr2}\n" + "es={%04VR{es} base=%016VR{es_base} limit=%08VR{es_lim} flags=%04VR{es_attr}} cr3=%016VR{cr3}\n" + "fs={%04VR{fs} base=%016VR{fs_base} limit=%08VR{fs_lim} flags=%04VR{fs_attr}} cr4=%016VR{cr4}\n" + "gs={%04VR{gs} base=%016VR{gs_base} limit=%08VR{gs_lim} flags=%04VR{gs_attr}} cr8=%016VR{cr8}\n" + "ss={%04VR{ss} base=%016VR{ss_base} limit=%08VR{ss_lim} flags=%04VR{ss_attr}}\n" + "dr0=%016VR{dr0} dr1=%016VR{dr1} dr2=%016VR{dr2} dr3=%016VR{dr3}\n" + "dr6=%016VR{dr6} dr7=%016VR{dr7}\n" + "gdtr=%016VR{gdtr_base}:%04VR{gdtr_lim} idtr=%016VR{idtr_base}:%04VR{idtr_lim} rflags=%08VR{rflags}\n" + "ldtr={%04VR{ldtr} base=%016VR{ldtr_base} limit=%08VR{ldtr_lim} flags=%08VR{ldtr_attr}}\n" + "tr ={%04VR{tr} base=%016VR{tr_base} limit=%08VR{tr_lim} flags=%08VR{tr_attr}}\n" + " sysenter={cs=%04VR{sysenter_cs} eip=%08VR{sysenter_eip} esp=%08VR{sysenter_esp}}\n" + " efer=%016VR{efer}\n" + " pat=%016VR{pat}\n" + " sf_mask=%016VR{sf_mask}\n" + "krnl_gs_base=%016VR{krnl_gs_base}\n" + " lstar=%016VR{lstar}\n" + " star=%016VR{star} cstar=%016VR{cstar}\n" + "fcw=%04VR{fcw} fsw=%04VR{fsw} ftw=%04VR{ftw} mxcsr=%04VR{mxcsr} mxcsr_mask=%04VR{mxcsr_mask}\n" + ); + else + rc = DBGFR3RegPrintf(pUVM, pDbgc->idCpu, szDisAndRegs, sizeof(szDisAndRegs), + "u %04VR{cs}:%08VR{eip} L 0\n" + "eax=%08VR{eax} ebx=%08VR{ebx} ecx=%08VR{ecx} edx=%08VR{edx} esi=%08VR{esi} edi=%08VR{edi}\n" + "eip=%08VR{eip} esp=%08VR{esp} ebp=%08VR{ebp} %VRF{eflags}\n" + "cs={%04VR{cs} base=%08VR{cs_base} limit=%08VR{cs_lim} flags=%04VR{cs_attr}} dr0=%08VR{dr0} dr1=%08VR{dr1}\n" + "ds={%04VR{ds} base=%08VR{ds_base} limit=%08VR{ds_lim} flags=%04VR{ds_attr}} dr2=%08VR{dr2} dr3=%08VR{dr3}\n" + "es={%04VR{es} base=%08VR{es_base} limit=%08VR{es_lim} flags=%04VR{es_attr}} dr6=%08VR{dr6} dr7=%08VR{dr7}\n" + "fs={%04VR{fs} base=%08VR{fs_base} limit=%08VR{fs_lim} flags=%04VR{fs_attr}} cr0=%08VR{cr0} cr2=%08VR{cr2}\n" + "gs={%04VR{gs} base=%08VR{gs_base} limit=%08VR{gs_lim} flags=%04VR{gs_attr}} cr3=%08VR{cr3} cr4=%08VR{cr4}\n" + "ss={%04VR{ss} base=%08VR{ss_base} limit=%08VR{ss_lim} flags=%04VR{ss_attr}} cr8=%08VR{cr8}\n" + "gdtr=%08VR{gdtr_base}:%04VR{gdtr_lim} idtr=%08VR{idtr_base}:%04VR{idtr_lim} eflags=%08VR{eflags}\n" + "ldtr={%04VR{ldtr} base=%08VR{ldtr_base} limit=%08VR{ldtr_lim} flags=%04VR{ldtr_attr}}\n" + "tr ={%04VR{tr} base=%08VR{tr_base} limit=%08VR{tr_lim} flags=%04VR{tr_attr}}\n" + "sysenter={cs=%04VR{sysenter_cs} eip=%08VR{sysenter_eip} esp=%08VR{sysenter_esp}}\n" + "fcw=%04VR{fcw} fsw=%04VR{fsw} ftw=%04VR{ftw} mxcsr=%04VR{mxcsr} mxcsr_mask=%04VR{mxcsr_mask}\n" + ); + } + if (RT_FAILURE(rc)) + return DBGCCmdHlpVBoxError(pCmdHlp, rc, "DBGFR3RegPrintf failed"); + char *pszRegs = strchr(szDisAndRegs, '\n'); + *pszRegs++ = '\0'; + rc = DBGCCmdHlpPrintf(pCmdHlp, "%s", pszRegs); + + /* + * Disassemble one instruction at cs:[r|e]ip. + */ + if (!f64BitMode && strstr(pszRegs, " vm ")) /* a bit ugly... */ + return pCmdHlp->pfnExec(pCmdHlp, "uv86 %s", szDisAndRegs + 2); + return pCmdHlp->pfnExec(pCmdHlp, "%s", szDisAndRegs); + } + return dbgcCmdRegCommon(pCmd, pCmdHlp, pUVM, paArgs, cArgs, ""); +} + + +/** + * @callback_method_impl{FNDBGCCMD, The 'rh' command.} + */ +static DECLCALLBACK(int) dbgcCmdRegHyper(PCDBGCCMD pCmd, PDBGCCMDHLP pCmdHlp, PUVM pUVM, PCDBGCVAR paArgs, unsigned cArgs) +{ + /* + * Show all registers our selves. + */ + if (cArgs == 0) + { + PDBGC pDbgc = DBGC_CMDHLP2DBGC(pCmdHlp); + char szDisAndRegs[8192]; + int rc; + + if (pDbgc->fRegTerse) + rc = DBGFR3RegPrintf(pUVM, pDbgc->idCpu | DBGFREG_HYPER_VMCPUID, szDisAndRegs, sizeof(szDisAndRegs), + "u %VR{cs}:%VR{eip} L 0\n" + ".eax=%08VR{eax} .ebx=%08VR{ebx} .ecx=%08VR{ecx} .edx=%08VR{edx} .esi=%08VR{esi} .edi=%08VR{edi}\n" + ".eip=%08VR{eip} .esp=%08VR{esp} .ebp=%08VR{ebp} .%VRF{eflags}\n" + ".cs=%04VR{cs} .ds=%04VR{ds} .es=%04VR{es} .fs=%04VR{fs} .gs=%04VR{gs} .ss=%04VR{ss} .eflags=%08VR{eflags}\n"); + else + rc = DBGFR3RegPrintf(pUVM, pDbgc->idCpu | DBGFREG_HYPER_VMCPUID, szDisAndRegs, sizeof(szDisAndRegs), + "u %04VR{cs}:%08VR{eip} L 0\n" + ".eax=%08VR{eax} .ebx=%08VR{ebx} .ecx=%08VR{ecx} .edx=%08VR{edx} .esi=%08VR{esi} .edi=%08VR{edi}\n" + ".eip=%08VR{eip} .esp=%08VR{esp} .ebp=%08VR{ebp} .%VRF{eflags}\n" + ".cs={%04VR{cs} base=%08VR{cs_base} limit=%08VR{cs_lim} flags=%04VR{cs_attr}} .dr0=%08VR{dr0} .dr1=%08VR{dr1}\n" + ".ds={%04VR{ds} base=%08VR{ds_base} limit=%08VR{ds_lim} flags=%04VR{ds_attr}} .dr2=%08VR{dr2} .dr3=%08VR{dr3}\n" + ".es={%04VR{es} base=%08VR{es_base} limit=%08VR{es_lim} flags=%04VR{es_attr}} .dr6=%08VR{dr6} .dr6=%08VR{dr6}\n" + ".fs={%04VR{fs} base=%08VR{fs_base} limit=%08VR{fs_lim} flags=%04VR{fs_attr}} .cr3=%016VR{cr3}\n" + ".gs={%04VR{gs} base=%08VR{gs_base} limit=%08VR{gs_lim} flags=%04VR{gs_attr}}\n" + ".ss={%04VR{ss} base=%08VR{ss_base} limit=%08VR{ss_lim} flags=%04VR{ss_attr}}\n" + ".gdtr=%08VR{gdtr_base}:%04VR{gdtr_lim} .idtr=%08VR{idtr_base}:%04VR{idtr_lim} .eflags=%08VR{eflags}\n" + ".ldtr={%04VR{ldtr} base=%08VR{ldtr_base} limit=%08VR{ldtr_lim} flags=%04VR{ldtr_attr}}\n" + ".tr ={%04VR{tr} base=%08VR{tr_base} limit=%08VR{tr_lim} flags=%04VR{tr_attr}}\n" + ); + if (RT_FAILURE(rc)) + return DBGCCmdHlpVBoxError(pCmdHlp, rc, "DBGFR3RegPrintf failed"); + char *pszRegs = strchr(szDisAndRegs, '\n'); + *pszRegs++ = '\0'; + rc = DBGCCmdHlpPrintf(pCmdHlp, "%s", pszRegs); + + /* + * Disassemble one instruction at cs:[r|e]ip. + */ + return pCmdHlp->pfnExec(pCmdHlp, "%s", szDisAndRegs); + } + return dbgcCmdRegCommon(pCmd, pCmdHlp, pUVM, paArgs, cArgs, "."); +} + + +/** + * @callback_method_impl{FNDBGCCMD, The 'rt' command.} + */ +static DECLCALLBACK(int) dbgcCmdRegTerse(PCDBGCCMD pCmd, PDBGCCMDHLP pCmdHlp, PUVM pUVM, PCDBGCVAR paArgs, unsigned cArgs) +{ + NOREF(pCmd); NOREF(pUVM); NOREF(paArgs); NOREF(cArgs); + + PDBGC pDbgc = DBGC_CMDHLP2DBGC(pCmdHlp); + pDbgc->fRegTerse = !pDbgc->fRegTerse; + return DBGCCmdHlpPrintf(pCmdHlp, pDbgc->fRegTerse ? "info: Terse register info.\n" : "info: Verbose register info.\n"); +} + + +/** + * @callback_method_impl{FNDBGCCMD, The 'pr' and 'tr' commands.} + */ +static DECLCALLBACK(int) dbgcCmdStepTraceToggle(PCDBGCCMD pCmd, PDBGCCMDHLP pCmdHlp, PUVM pUVM, PCDBGCVAR paArgs, unsigned cArgs) +{ + PDBGC pDbgc = DBGC_CMDHLP2DBGC(pCmdHlp); + Assert(cArgs == 0); NOREF(pCmd); NOREF(pUVM); NOREF(paArgs); NOREF(cArgs); + + /* Note! windbg accepts 'r' as a flag to 'p', 'pa', 'pc', 'pt', 't', + 'ta', 'tc' and 'tt'. We've simplified it. */ + pDbgc->fStepTraceRegs = !pDbgc->fStepTraceRegs; + return VINF_SUCCESS; +} + + +/** + * @callback_method_impl{FNDBGCCMD, The 'p'\, 'pc'\, 'pt'\, 't'\, 'tc'\, and 'tt' commands.} + */ +static DECLCALLBACK(int) dbgcCmdStepTrace(PCDBGCCMD pCmd, PDBGCCMDHLP pCmdHlp, PUVM pUVM, PCDBGCVAR paArgs, unsigned cArgs) +{ + PDBGC pDbgc = DBGC_CMDHLP2DBGC(pCmdHlp); + if (cArgs != 0) + return DBGCCmdHlpFail(pCmdHlp, pCmd, + "Sorry, but the '%s' command does not currently implement any arguments.\n", pCmd->pszCmd); + + /* The 'count' has to be implemented by DBGC, whereas the + filtering is taken care of by DBGF. */ + + /* + * Convert the command to DBGF_STEP_F_XXX and other API input. + */ + //DBGFADDRESS StackPop; + PDBGFADDRESS pStackPop = NULL; + RTGCPTR cbStackPop = 0; + uint32_t cMaxSteps = pCmd->pszCmd[0] == 'p' ? _512K : _64K; + uint32_t fFlags = pCmd->pszCmd[0] == 'p' ? DBGF_STEP_F_OVER : DBGF_STEP_F_INTO; + if (pCmd->pszCmd[1] == 'c') + fFlags |= DBGF_STEP_F_STOP_ON_CALL; + else if (pCmd->pszCmd[1] == 't') + fFlags |= DBGF_STEP_F_STOP_ON_RET; + else if (pCmd->pszCmd[0] != 'p') + cMaxSteps = 1; + else + { + /** @todo consider passing RSP + 1 in for 'p' and something else sensible for + * the 'pt' command. */ + } + + int rc = DBGFR3StepEx(pUVM, pDbgc->idCpu, fFlags, NULL, pStackPop, cbStackPop, cMaxSteps); + if (RT_SUCCESS(rc)) + pDbgc->fReady = false; + else + return DBGCCmdHlpFailRc(pCmdHlp, pCmd, rc, "DBGFR3StepEx(,,%#x,) failed", fFlags); + + NOREF(pCmd); NOREF(paArgs); NOREF(cArgs); + return rc; +} + + +/** + * @callback_method_impl{FNDBGCCMD, The 'pa' and 'ta' commands.} + */ +static DECLCALLBACK(int) dbgcCmdStepTraceTo(PCDBGCCMD pCmd, PDBGCCMDHLP pCmdHlp, PUVM pUVM, PCDBGCVAR paArgs, unsigned cArgs) +{ + PDBGC pDbgc = DBGC_CMDHLP2DBGC(pCmdHlp); + if (cArgs != 1) + return DBGCCmdHlpFail(pCmdHlp, pCmd, + "Sorry, but the '%s' command only implements a single argument at present.\n", pCmd->pszCmd); + DBGFADDRESS Address; + int rc = pCmdHlp->pfnVarToDbgfAddr(pCmdHlp, &paArgs[0], &Address); + if (RT_FAILURE(rc)) + return pCmdHlp->pfnVBoxError(pCmdHlp, rc, "VarToDbgfAddr(,%Dv,)\n", &paArgs[0]); + + uint32_t cMaxSteps = pCmd->pszCmd[0] == 'p' ? _512K : 1; + uint32_t fFlags = pCmd->pszCmd[0] == 'p' ? DBGF_STEP_F_OVER : DBGF_STEP_F_INTO; + rc = DBGFR3StepEx(pUVM, pDbgc->idCpu, fFlags, &Address, NULL, 0, cMaxSteps); + if (RT_SUCCESS(rc)) + pDbgc->fReady = false; + else + return DBGCCmdHlpFailRc(pCmdHlp, pCmd, rc, "DBGFR3StepEx(,,%#x,) failed", fFlags); + return rc; +} + + +/** + * Helper that tries to resolve a far address to a symbol and formats it. + * + * @returns Pointer to symbol string on success, NULL if not resolved. + * Free using RTStrFree. + * @param pCmdHlp The command helper structure. + * @param hAs The address space to use. NIL_RTDBGAS means no symbol resolving. + * @param sel The selector part of the address. + * @param off The offset part of the address. + * @param pszPrefix How to prefix the symbol string. + * @param pszSuffix How to suffix the symbol string. + */ +static char *dbgcCmdHlpFarAddrToSymbol(PDBGCCMDHLP pCmdHlp, RTDBGAS hAs, RTSEL sel, uint64_t off, + const char *pszPrefix, const char *pszSuffix) +{ + char *pszRet = NULL; + if (hAs != NIL_RTDBGAS) + { + PDBGC pDbgc = DBGC_CMDHLP2DBGC(pCmdHlp); + DBGFADDRESS Addr; + int rc = DBGFR3AddrFromSelOff(pDbgc->pUVM, pDbgc->idCpu, &Addr, sel, off); + if (RT_SUCCESS(rc)) + { + RTGCINTPTR offDispSym = 0; + PRTDBGSYMBOL pSymbol = DBGFR3AsSymbolByAddrA(pDbgc->pUVM, hAs, &Addr, + RTDBGSYMADDR_FLAGS_GREATER_OR_EQUAL + | RTDBGSYMADDR_FLAGS_SKIP_ABS_IN_DEFERRED, + &offDispSym, NULL); + if (pSymbol) + { + if (offDispSym == 0) + pszRet = RTStrAPrintf2("%s%s%s", pszPrefix, pSymbol->szName, pszSuffix); + else if (offDispSym > 0) + pszRet = RTStrAPrintf2("%s%s+%llx%s", pszPrefix, pSymbol->szName, (int64_t)offDispSym, pszSuffix); + else + pszRet = RTStrAPrintf2("%s%s-%llx%s", pszPrefix, pSymbol->szName, -(int64_t)offDispSym, pszSuffix); + RTDbgSymbolFree(pSymbol); + } + } + } + return pszRet; +} + + +/** + * @callback_method_impl{FNDBGCCMD, The 'k'\, 'kg' and 'kh' commands.} + */ +static DECLCALLBACK(int) dbgcCmdStack(PCDBGCCMD pCmd, PDBGCCMDHLP pCmdHlp, PUVM pUVM, PCDBGCVAR paArgs, unsigned cArgs) +{ + PDBGC pDbgc = DBGC_CMDHLP2DBGC(pCmdHlp); + + /* + * Figure which context we're called for and start walking that stack. + */ + int rc; + PCDBGFSTACKFRAME pFirstFrame; + bool const fGuest = pCmd->pszCmd[1] == 'g' + || (pCmd->pszCmd[1] != 'h' && pDbgc->fRegCtxGuest); + bool const fVerbose = pCmd->pszCmd[1] == 'v' + || (pCmd->pszCmd[1] != '\0' && pCmd->pszCmd[2] == 'v'); + rc = DBGFR3StackWalkBegin(pUVM, pDbgc->idCpu, fGuest ? DBGFCODETYPE_GUEST : DBGFCODETYPE_HYPER, &pFirstFrame); + if (RT_FAILURE(rc)) + return DBGCCmdHlpPrintf(pCmdHlp, "Failed to begin stack walk, rc=%Rrc\n", rc); + + /* + * Print the frames. + */ + char szTmp[1024]; + uint32_t fBitFlags = 0; + for (PCDBGFSTACKFRAME pFrame = pFirstFrame; + pFrame; + pFrame = DBGFR3StackWalkNext(pFrame)) + { + uint32_t const fCurBitFlags = pFrame->fFlags & (DBGFSTACKFRAME_FLAGS_16BIT | DBGFSTACKFRAME_FLAGS_32BIT | DBGFSTACKFRAME_FLAGS_64BIT); + if (fCurBitFlags & DBGFSTACKFRAME_FLAGS_16BIT) + { + if (fCurBitFlags != fBitFlags) + pCmdHlp->pfnPrintf(pCmdHlp, NULL, "# SS:BP Ret SS:BP Ret CS:EIP Arg0 Arg1 Arg2 Arg3 CS:EIP / Symbol [line]\n"); + rc = DBGCCmdHlpPrintf(pCmdHlp, "%02x %04RX16:%04RX16 %04RX16:%04RX16 %04RX32:%08RX32 %08RX32 %08RX32 %08RX32 %08RX32", + pFrame->iFrame, + pFrame->AddrFrame.Sel, + (uint16_t)pFrame->AddrFrame.off, + pFrame->AddrReturnFrame.Sel, + (uint16_t)pFrame->AddrReturnFrame.off, + (uint32_t)pFrame->AddrReturnPC.Sel, + (uint32_t)pFrame->AddrReturnPC.off, + pFrame->Args.au32[0], + pFrame->Args.au32[1], + pFrame->Args.au32[2], + pFrame->Args.au32[3]); + } + else if (fCurBitFlags & DBGFSTACKFRAME_FLAGS_32BIT) + { + if (fCurBitFlags != fBitFlags) + pCmdHlp->pfnPrintf(pCmdHlp, NULL, "# EBP Ret EBP Ret CS:EIP Arg0 Arg1 Arg2 Arg3 CS:EIP / Symbol [line]\n"); + rc = DBGCCmdHlpPrintf(pCmdHlp, "%02x %08RX32 %08RX32 %04RX32:%08RX32 %08RX32 %08RX32 %08RX32 %08RX32", + pFrame->iFrame, + (uint32_t)pFrame->AddrFrame.off, + (uint32_t)pFrame->AddrReturnFrame.off, + (uint32_t)pFrame->AddrReturnPC.Sel, + (uint32_t)pFrame->AddrReturnPC.off, + pFrame->Args.au32[0], + pFrame->Args.au32[1], + pFrame->Args.au32[2], + pFrame->Args.au32[3]); + } + else if (fCurBitFlags & DBGFSTACKFRAME_FLAGS_64BIT) + { + if (fCurBitFlags != fBitFlags) + pCmdHlp->pfnPrintf(pCmdHlp, NULL, "# RBP Ret SS:RBP Ret RIP CS:RIP / Symbol [line]\n"); + rc = DBGCCmdHlpPrintf(pCmdHlp, "%02x %016RX64 %04RX16:%016RX64 %016RX64", + pFrame->iFrame, + (uint64_t)pFrame->AddrFrame.off, + pFrame->AddrReturnFrame.Sel, + (uint64_t)pFrame->AddrReturnFrame.off, + (uint64_t)pFrame->AddrReturnPC.off); + } + if (RT_FAILURE(rc)) + break; + if (!pFrame->pSymPC) + rc = pCmdHlp->pfnPrintf(pCmdHlp, NULL, + fCurBitFlags & DBGFSTACKFRAME_FLAGS_64BIT + ? " %RTsel:%016RGv" + : fCurBitFlags & DBGFSTACKFRAME_FLAGS_32BIT + ? " %RTsel:%08RGv" + : " %RTsel:%04RGv" + , pFrame->AddrPC.Sel, pFrame->AddrPC.off); + else + { + RTGCINTPTR offDisp = pFrame->AddrPC.FlatPtr - pFrame->pSymPC->Value; /** @todo this isn't 100% correct for segmented stuff. */ + if (offDisp > 0) + rc = DBGCCmdHlpPrintf(pCmdHlp, " %s+%llx", pFrame->pSymPC->szName, (int64_t)offDisp); + else if (offDisp < 0) + rc = DBGCCmdHlpPrintf(pCmdHlp, " %s-%llx", pFrame->pSymPC->szName, -(int64_t)offDisp); + else + rc = DBGCCmdHlpPrintf(pCmdHlp, " %s", pFrame->pSymPC->szName); + } + if (RT_SUCCESS(rc) && pFrame->pLinePC) + rc = DBGCCmdHlpPrintf(pCmdHlp, " [%s @ 0i%d]", pFrame->pLinePC->szFilename, pFrame->pLinePC->uLineNo); + if (RT_SUCCESS(rc)) + rc = DBGCCmdHlpPrintf(pCmdHlp, "\n"); + + if (fVerbose && RT_SUCCESS(rc)) + { + /* + * Display verbose frame info. + */ + const char *pszRetType = "invalid"; + switch (pFrame->enmReturnType) + { + case RTDBGRETURNTYPE_NEAR16: pszRetType = "retn/16"; break; + case RTDBGRETURNTYPE_NEAR32: pszRetType = "retn/32"; break; + case RTDBGRETURNTYPE_NEAR64: pszRetType = "retn/64"; break; + case RTDBGRETURNTYPE_FAR16: pszRetType = "retf/16"; break; + case RTDBGRETURNTYPE_FAR32: pszRetType = "retf/32"; break; + case RTDBGRETURNTYPE_FAR64: pszRetType = "retf/64"; break; + case RTDBGRETURNTYPE_IRET16: pszRetType = "iret-16"; break; + case RTDBGRETURNTYPE_IRET32: pszRetType = "iret/32s"; break; + case RTDBGRETURNTYPE_IRET32_PRIV: pszRetType = "iret/32p"; break; + case RTDBGRETURNTYPE_IRET32_V86: pszRetType = "iret/v86"; break; + case RTDBGRETURNTYPE_IRET64: pszRetType = "iret/64"; break; + + case RTDBGRETURNTYPE_END: + case RTDBGRETURNTYPE_INVALID: + case RTDBGRETURNTYPE_32BIT_HACK: + break; + } + size_t cchLine = DBGCCmdHlpPrintfLen(pCmdHlp, " %s", pszRetType); + if (pFrame->fFlags & DBGFSTACKFRAME_FLAGS_USED_UNWIND_INFO) + cchLine += DBGCCmdHlpPrintfLen(pCmdHlp, " used-unwind-info"); + if (pFrame->fFlags & DBGFSTACKFRAME_FLAGS_USED_ODD_EVEN) + cchLine += DBGCCmdHlpPrintfLen(pCmdHlp, " used-odd-even"); + if (pFrame->fFlags & DBGFSTACKFRAME_FLAGS_REAL_V86) + cchLine += DBGCCmdHlpPrintfLen(pCmdHlp, " real-v86"); + if (pFrame->fFlags & DBGFSTACKFRAME_FLAGS_MAX_DEPTH) + cchLine += DBGCCmdHlpPrintfLen(pCmdHlp, " max-depth"); + if (pFrame->fFlags & DBGFSTACKFRAME_FLAGS_TRAP_FRAME) + cchLine += DBGCCmdHlpPrintfLen(pCmdHlp, " trap-frame"); + + if (pFrame->cSureRegs > 0) + { + cchLine = 1024; /* force new line */ + for (uint32_t i = 0; i < pFrame->cSureRegs; i++) + { + if (cchLine > 80) + { + DBGCCmdHlpPrintf(pCmdHlp, "\n "); + cchLine = 2; + } + + szTmp[0] = '\0'; + DBGFR3RegFormatValue(szTmp, sizeof(szTmp), &pFrame->paSureRegs[i].Value, + pFrame->paSureRegs[i].enmType, false); + const char *pszName = pFrame->paSureRegs[i].enmReg != DBGFREG_END + ? DBGFR3RegCpuName(pUVM, pFrame->paSureRegs[i].enmReg, pFrame->paSureRegs[i].enmType) + : pFrame->paSureRegs[i].pszName; + cchLine += DBGCCmdHlpPrintfLen(pCmdHlp, " %s=%s", pszName, szTmp); + } + } + + if (RT_SUCCESS(rc)) + rc = DBGCCmdHlpPrintf(pCmdHlp, "\n"); + } + + if (RT_FAILURE(rc)) + break; + + fBitFlags = fCurBitFlags; + } + + DBGFR3StackWalkEnd(pFirstFrame); + + NOREF(paArgs); NOREF(cArgs); + return rc; +} + + +/** + * Worker function that displays one descriptor entry (GDT, LDT, IDT). + * + * @returns pfnPrintf status code. + * @param pCmdHlp The DBGC command helpers. + * @param pDesc The descriptor to display. + * @param iEntry The descriptor entry number. + * @param fHyper Whether the selector belongs to the hypervisor or not. + * @param hAs Address space to use when resolving symbols. + * @param pfDblEntry Where to indicate whether the entry is two entries wide. + * Optional. + */ +static int dbgcCmdDumpDTWorker64(PDBGCCMDHLP pCmdHlp, PCX86DESC64 pDesc, unsigned iEntry, bool fHyper, RTDBGAS hAs, + bool *pfDblEntry) +{ + /* GUEST64 */ + int rc; + + const char *pszHyper = fHyper ? " HYPER" : ""; + const char *pszPresent = pDesc->Gen.u1Present ? "P " : "NP"; + if (pDesc->Gen.u1DescType) + { + static const char * const s_apszTypes[] = + { + "DataRO", /* 0 Read-Only */ + "DataRO", /* 1 Read-Only - Accessed */ + "DataRW", /* 2 Read/Write */ + "DataRW", /* 3 Read/Write - Accessed */ + "DownRO", /* 4 Expand-down, Read-Only */ + "DownRO", /* 5 Expand-down, Read-Only - Accessed */ + "DownRW", /* 6 Expand-down, Read/Write */ + "DownRW", /* 7 Expand-down, Read/Write - Accessed */ + "CodeEO", /* 8 Execute-Only */ + "CodeEO", /* 9 Execute-Only - Accessed */ + "CodeER", /* A Execute/Readable */ + "CodeER", /* B Execute/Readable - Accessed */ + "ConfE0", /* C Conforming, Execute-Only */ + "ConfE0", /* D Conforming, Execute-Only - Accessed */ + "ConfER", /* E Conforming, Execute/Readable */ + "ConfER" /* F Conforming, Execute/Readable - Accessed */ + }; + const char *pszAccessed = pDesc->Gen.u4Type & RT_BIT(0) ? "A " : "NA"; + const char *pszGranularity = pDesc->Gen.u1Granularity ? "G" : " "; + const char *pszBig = pDesc->Gen.u1DefBig ? "BIG" : " "; + uint32_t u32Base = X86DESC_BASE(pDesc); + uint32_t cbLimit = X86DESC_LIMIT_G(pDesc); + + rc = DBGCCmdHlpPrintf(pCmdHlp, "%04x %s Bas=%08x Lim=%08x DPL=%d %s %s %s %s AVL=%d L=%d%s\n", + iEntry, s_apszTypes[pDesc->Gen.u4Type], u32Base, cbLimit, + pDesc->Gen.u2Dpl, pszPresent, pszAccessed, pszGranularity, pszBig, + pDesc->Gen.u1Available, pDesc->Gen.u1Long, pszHyper); + } + else + { + static const char * const s_apszTypes[] = + { + "Ill-0 ", /* 0 0000 Reserved (Illegal) */ + "Ill-1 ", /* 1 0001 Available 16-bit TSS */ + "LDT ", /* 2 0010 LDT */ + "Ill-3 ", /* 3 0011 Busy 16-bit TSS */ + "Ill-4 ", /* 4 0100 16-bit Call Gate */ + "Ill-5 ", /* 5 0101 Task Gate */ + "Ill-6 ", /* 6 0110 16-bit Interrupt Gate */ + "Ill-7 ", /* 7 0111 16-bit Trap Gate */ + "Ill-8 ", /* 8 1000 Reserved (Illegal) */ + "Tss64A", /* 9 1001 Available 32-bit TSS */ + "Ill-A ", /* A 1010 Reserved (Illegal) */ + "Tss64B", /* B 1011 Busy 32-bit TSS */ + "Call64", /* C 1100 32-bit Call Gate */ + "Ill-D ", /* D 1101 Reserved (Illegal) */ + "Int64 ", /* E 1110 32-bit Interrupt Gate */ + "Trap64" /* F 1111 32-bit Trap Gate */ + }; + switch (pDesc->Gen.u4Type) + { + /* raw */ + case X86_SEL_TYPE_SYS_UNDEFINED: + case X86_SEL_TYPE_SYS_UNDEFINED2: + case X86_SEL_TYPE_SYS_UNDEFINED4: + case X86_SEL_TYPE_SYS_UNDEFINED3: + case X86_SEL_TYPE_SYS_286_TSS_AVAIL: + case X86_SEL_TYPE_SYS_286_TSS_BUSY: + case X86_SEL_TYPE_SYS_286_CALL_GATE: + case X86_SEL_TYPE_SYS_286_INT_GATE: + case X86_SEL_TYPE_SYS_286_TRAP_GATE: + case X86_SEL_TYPE_SYS_TASK_GATE: + rc = DBGCCmdHlpPrintf(pCmdHlp, "%04x %s %.8Rhxs DPL=%d %s%s\n", + iEntry, s_apszTypes[pDesc->Gen.u4Type], pDesc, + pDesc->Gen.u2Dpl, pszPresent, pszHyper); + break; + + case X86_SEL_TYPE_SYS_386_TSS_AVAIL: + case X86_SEL_TYPE_SYS_386_TSS_BUSY: + case X86_SEL_TYPE_SYS_LDT: + { + const char *pszBusy = pDesc->Gen.u4Type & RT_BIT(1) ? "B " : "NB"; + const char *pszBig = pDesc->Gen.u1DefBig ? "BIG" : " "; + const char *pszLong = pDesc->Gen.u1Long ? "LONG" : " "; + + uint64_t u64Base = X86DESC64_BASE(pDesc); + uint32_t cbLimit = X86DESC_LIMIT_G(pDesc); + + rc = DBGCCmdHlpPrintf(pCmdHlp, "%04x %s Bas=%016RX64 Lim=%08x DPL=%d %s %s %s %sAVL=%d R=%d%s\n", + iEntry, s_apszTypes[pDesc->Gen.u4Type], u64Base, cbLimit, + pDesc->Gen.u2Dpl, pszPresent, pszBusy, pszLong, pszBig, + pDesc->Gen.u1Available, pDesc->Gen.u1Long | (pDesc->Gen.u1DefBig << 1), + pszHyper); + if (pfDblEntry) + *pfDblEntry = true; + break; + } + + case X86_SEL_TYPE_SYS_386_CALL_GATE: + { + unsigned cParams = pDesc->au8[4] & 0x1f; + const char *pszCountOf = pDesc->Gen.u4Type & RT_BIT(3) ? "DC" : "WC"; + RTSEL sel = pDesc->au16[1]; + uint64_t off = pDesc->au16[0] + | ((uint64_t)pDesc->au16[3] << 16) + | ((uint64_t)pDesc->Gen.u32BaseHigh3 << 32); + char *pszSymbol = dbgcCmdHlpFarAddrToSymbol(pCmdHlp, hAs, sel, off, " (", ")"); + rc = DBGCCmdHlpPrintf(pCmdHlp, "%04x %s Sel:Off=%04x:%016RX64 DPL=%d %s %s=%d%s%s\n", + iEntry, s_apszTypes[pDesc->Gen.u4Type], sel, off, + pDesc->Gen.u2Dpl, pszPresent, pszCountOf, cParams, pszHyper, pszSymbol ? pszSymbol : ""); + RTStrFree(pszSymbol); + if (pfDblEntry) + *pfDblEntry = true; + break; + } + + case X86_SEL_TYPE_SYS_386_INT_GATE: + case X86_SEL_TYPE_SYS_386_TRAP_GATE: + { + RTSEL sel = pDesc->Gate.u16Sel; + uint64_t off = pDesc->Gate.u16OffsetLow + | ((uint64_t)pDesc->Gate.u16OffsetHigh << 16) + | ((uint64_t)pDesc->Gate.u32OffsetTop << 32); + char *pszSymbol = dbgcCmdHlpFarAddrToSymbol(pCmdHlp, hAs, sel, off, " (", ")"); + rc = DBGCCmdHlpPrintf(pCmdHlp, "%04x %s Sel:Off=%04x:%016RX64 DPL=%u %s IST=%u%s%s\n", + iEntry, s_apszTypes[pDesc->Gate.u4Type], sel, off, + pDesc->Gate.u2Dpl, pszPresent, pDesc->Gate.u3IST, pszHyper, pszSymbol ? pszSymbol : ""); + RTStrFree(pszSymbol); + if (pfDblEntry) + *pfDblEntry = true; + break; + } + + /* impossible, just it's necessary to keep gcc happy. */ + default: + return VINF_SUCCESS; + } + } + return VINF_SUCCESS; +} + + +/** + * Worker function that displays one descriptor entry (GDT, LDT, IDT). + * + * @returns pfnPrintf status code. + * @param pCmdHlp The DBGC command helpers. + * @param pDesc The descriptor to display. + * @param iEntry The descriptor entry number. + * @param fHyper Whether the selector belongs to the hypervisor or not. + * @param hAs Address space to use when resolving symbols. + */ +static int dbgcCmdDumpDTWorker32(PDBGCCMDHLP pCmdHlp, PCX86DESC pDesc, unsigned iEntry, bool fHyper, RTDBGAS hAs) +{ + int rc; + + const char *pszHyper = fHyper ? " HYPER" : ""; + const char *pszPresent = pDesc->Gen.u1Present ? "P " : "NP"; + if (pDesc->Gen.u1DescType) + { + static const char * const s_apszTypes[] = + { + "DataRO", /* 0 Read-Only */ + "DataRO", /* 1 Read-Only - Accessed */ + "DataRW", /* 2 Read/Write */ + "DataRW", /* 3 Read/Write - Accessed */ + "DownRO", /* 4 Expand-down, Read-Only */ + "DownRO", /* 5 Expand-down, Read-Only - Accessed */ + "DownRW", /* 6 Expand-down, Read/Write */ + "DownRW", /* 7 Expand-down, Read/Write - Accessed */ + "CodeEO", /* 8 Execute-Only */ + "CodeEO", /* 9 Execute-Only - Accessed */ + "CodeER", /* A Execute/Readable */ + "CodeER", /* B Execute/Readable - Accessed */ + "ConfE0", /* C Conforming, Execute-Only */ + "ConfE0", /* D Conforming, Execute-Only - Accessed */ + "ConfER", /* E Conforming, Execute/Readable */ + "ConfER" /* F Conforming, Execute/Readable - Accessed */ + }; + const char *pszAccessed = pDesc->Gen.u4Type & RT_BIT(0) ? "A " : "NA"; + const char *pszGranularity = pDesc->Gen.u1Granularity ? "G" : " "; + const char *pszBig = pDesc->Gen.u1DefBig ? "BIG" : " "; + uint32_t u32Base = pDesc->Gen.u16BaseLow + | ((uint32_t)pDesc->Gen.u8BaseHigh1 << 16) + | ((uint32_t)pDesc->Gen.u8BaseHigh2 << 24); + uint32_t cbLimit = pDesc->Gen.u16LimitLow | (pDesc->Gen.u4LimitHigh << 16); + if (pDesc->Gen.u1Granularity) + cbLimit <<= PAGE_SHIFT; + + rc = DBGCCmdHlpPrintf(pCmdHlp, "%04x %s Bas=%08x Lim=%08x DPL=%d %s %s %s %s AVL=%d L=%d%s\n", + iEntry, s_apszTypes[pDesc->Gen.u4Type], u32Base, cbLimit, + pDesc->Gen.u2Dpl, pszPresent, pszAccessed, pszGranularity, pszBig, + pDesc->Gen.u1Available, pDesc->Gen.u1Long, pszHyper); + } + else + { + static const char * const s_apszTypes[] = + { + "Ill-0 ", /* 0 0000 Reserved (Illegal) */ + "Tss16A", /* 1 0001 Available 16-bit TSS */ + "LDT ", /* 2 0010 LDT */ + "Tss16B", /* 3 0011 Busy 16-bit TSS */ + "Call16", /* 4 0100 16-bit Call Gate */ + "TaskG ", /* 5 0101 Task Gate */ + "Int16 ", /* 6 0110 16-bit Interrupt Gate */ + "Trap16", /* 7 0111 16-bit Trap Gate */ + "Ill-8 ", /* 8 1000 Reserved (Illegal) */ + "Tss32A", /* 9 1001 Available 32-bit TSS */ + "Ill-A ", /* A 1010 Reserved (Illegal) */ + "Tss32B", /* B 1011 Busy 32-bit TSS */ + "Call32", /* C 1100 32-bit Call Gate */ + "Ill-D ", /* D 1101 Reserved (Illegal) */ + "Int32 ", /* E 1110 32-bit Interrupt Gate */ + "Trap32" /* F 1111 32-bit Trap Gate */ + }; + switch (pDesc->Gen.u4Type) + { + /* raw */ + case X86_SEL_TYPE_SYS_UNDEFINED: + case X86_SEL_TYPE_SYS_UNDEFINED2: + case X86_SEL_TYPE_SYS_UNDEFINED4: + case X86_SEL_TYPE_SYS_UNDEFINED3: + rc = DBGCCmdHlpPrintf(pCmdHlp, "%04x %s %.8Rhxs DPL=%d %s%s\n", + iEntry, s_apszTypes[pDesc->Gen.u4Type], pDesc, + pDesc->Gen.u2Dpl, pszPresent, pszHyper); + break; + + case X86_SEL_TYPE_SYS_286_TSS_AVAIL: + case X86_SEL_TYPE_SYS_386_TSS_AVAIL: + case X86_SEL_TYPE_SYS_286_TSS_BUSY: + case X86_SEL_TYPE_SYS_386_TSS_BUSY: + case X86_SEL_TYPE_SYS_LDT: + { + const char *pszGranularity = pDesc->Gen.u1Granularity ? "G" : " "; + const char *pszBusy = pDesc->Gen.u4Type & RT_BIT(1) ? "B " : "NB"; + const char *pszBig = pDesc->Gen.u1DefBig ? "BIG" : " "; + uint32_t u32Base = pDesc->Gen.u16BaseLow + | ((uint32_t)pDesc->Gen.u8BaseHigh1 << 16) + | ((uint32_t)pDesc->Gen.u8BaseHigh2 << 24); + uint32_t cbLimit = pDesc->Gen.u16LimitLow | (pDesc->Gen.u4LimitHigh << 16); + if (pDesc->Gen.u1Granularity) + cbLimit <<= PAGE_SHIFT; + + rc = DBGCCmdHlpPrintf(pCmdHlp, "%04x %s Bas=%08x Lim=%08x DPL=%d %s %s %s %s AVL=%d R=%d%s\n", + iEntry, s_apszTypes[pDesc->Gen.u4Type], u32Base, cbLimit, + pDesc->Gen.u2Dpl, pszPresent, pszBusy, pszGranularity, pszBig, + pDesc->Gen.u1Available, pDesc->Gen.u1Long | (pDesc->Gen.u1DefBig << 1), + pszHyper); + break; + } + + case X86_SEL_TYPE_SYS_TASK_GATE: + { + rc = DBGCCmdHlpPrintf(pCmdHlp, "%04x %s TSS=%04x DPL=%d %s%s\n", + iEntry, s_apszTypes[pDesc->Gen.u4Type], pDesc->au16[1], + pDesc->Gen.u2Dpl, pszPresent, pszHyper); + break; + } + + case X86_SEL_TYPE_SYS_286_CALL_GATE: + case X86_SEL_TYPE_SYS_386_CALL_GATE: + { + unsigned cParams = pDesc->au8[4] & 0x1f; + const char *pszCountOf = pDesc->Gen.u4Type & RT_BIT(3) ? "DC" : "WC"; + RTSEL sel = pDesc->au16[1]; + uint32_t off = pDesc->au16[0] | ((uint32_t)pDesc->au16[3] << 16); + char *pszSymbol = dbgcCmdHlpFarAddrToSymbol(pCmdHlp, hAs, sel, off, " (", ")"); + rc = DBGCCmdHlpPrintf(pCmdHlp, "%04x %s Sel:Off=%04x:%08x DPL=%d %s %s=%d%s%s\n", + iEntry, s_apszTypes[pDesc->Gen.u4Type], sel, off, + pDesc->Gen.u2Dpl, pszPresent, pszCountOf, cParams, pszHyper, pszSymbol ? pszSymbol : ""); + RTStrFree(pszSymbol); + break; + } + + case X86_SEL_TYPE_SYS_286_INT_GATE: + case X86_SEL_TYPE_SYS_386_INT_GATE: + case X86_SEL_TYPE_SYS_286_TRAP_GATE: + case X86_SEL_TYPE_SYS_386_TRAP_GATE: + { + RTSEL sel = pDesc->au16[1]; + uint32_t off = pDesc->au16[0] | ((uint32_t)pDesc->au16[3] << 16); + char *pszSymbol = dbgcCmdHlpFarAddrToSymbol(pCmdHlp, hAs, sel, off, " (", ")"); + rc = DBGCCmdHlpPrintf(pCmdHlp, "%04x %s Sel:Off=%04x:%08x DPL=%d %s%s%s\n", + iEntry, s_apszTypes[pDesc->Gen.u4Type], sel, off, + pDesc->Gen.u2Dpl, pszPresent, pszHyper, pszSymbol ? pszSymbol : ""); + RTStrFree(pszSymbol); + break; + } + + /* impossible, just it's necessary to keep gcc happy. */ + default: + return VINF_SUCCESS; + } + } + return rc; +} + + +/** + * @callback_method_impl{FNDBGCCMD, The 'dg'\, 'dga'\, 'dl' and 'dla' commands.} + */ +static DECLCALLBACK(int) dbgcCmdDumpDT(PCDBGCCMD pCmd, PDBGCCMDHLP pCmdHlp, PUVM pUVM, PCDBGCVAR paArgs, unsigned cArgs) +{ + /* + * Validate input. + */ + DBGC_CMDHLP_REQ_UVM_RET(pCmdHlp, pCmd, pUVM); + + /* + * Get the CPU mode, check which command variation this is + * and fix a default parameter if needed. + */ + PDBGC pDbgc = DBGC_CMDHLP2DBGC(pCmdHlp); + PVMCPU pVCpu = VMMR3GetCpuByIdU(pUVM, pDbgc->idCpu); + CPUMMODE enmMode = CPUMGetGuestMode(pVCpu); + bool fGdt = pCmd->pszCmd[1] == 'g'; + bool fAll = pCmd->pszCmd[2] == 'a'; + RTSEL SelTable = fGdt ? 0 : X86_SEL_LDT; + + DBGCVAR Var; + if (!cArgs) + { + cArgs = 1; + paArgs = &Var; + Var.enmType = DBGCVAR_TYPE_NUMBER; + Var.u.u64Number = 0; + Var.enmRangeType = DBGCVAR_RANGE_ELEMENTS; + Var.u64Range = 1024; + } + + /* + * Process the arguments. + */ + for (unsigned i = 0; i < cArgs; i++) + { + /* + * Retrieve the selector value from the argument. + * The parser may confuse pointers and numbers if more than one + * argument is given, that that into account. + */ + DBGC_CMDHLP_ASSERT_PARSER_RET(pCmdHlp, pCmd, i, paArgs[i].enmType == DBGCVAR_TYPE_NUMBER || DBGCVAR_ISPOINTER(paArgs[i].enmType)); + uint64_t u64; + unsigned cSels = 1; + switch (paArgs[i].enmType) + { + case DBGCVAR_TYPE_NUMBER: + u64 = paArgs[i].u.u64Number; + if (paArgs[i].enmRangeType != DBGCVAR_RANGE_NONE) + cSels = RT_MIN(paArgs[i].u64Range, 1024); + break; + case DBGCVAR_TYPE_GC_FAR: u64 = paArgs[i].u.GCFar.sel; break; + case DBGCVAR_TYPE_GC_FLAT: u64 = paArgs[i].u.GCFlat; break; + case DBGCVAR_TYPE_GC_PHYS: u64 = paArgs[i].u.GCPhys; break; + case DBGCVAR_TYPE_HC_FLAT: u64 = (uintptr_t)paArgs[i].u.pvHCFlat; break; + case DBGCVAR_TYPE_HC_PHYS: u64 = paArgs[i].u.HCPhys; break; + default: u64 = _64K; break; + } + if (u64 < _64K) + { + unsigned Sel = (RTSEL)u64; + + /* + * Dump the specified range. + */ + bool fSingle = cSels == 1; + while ( cSels-- > 0 + && Sel < _64K) + { + DBGFSELINFO SelInfo; + int rc = DBGFR3SelQueryInfo(pUVM, pDbgc->idCpu, Sel | SelTable, DBGFSELQI_FLAGS_DT_GUEST, &SelInfo); + if (RT_SUCCESS(rc)) + { + if (SelInfo.fFlags & DBGFSELINFO_FLAGS_REAL_MODE) + rc = DBGCCmdHlpPrintf(pCmdHlp, "%04x RealM Bas=%04x Lim=%04x\n", + Sel, (unsigned)SelInfo.GCPtrBase, (unsigned)SelInfo.cbLimit); + else if ( fAll + || fSingle + || SelInfo.u.Raw.Gen.u1Present) + { + if (enmMode == CPUMMODE_PROTECTED) + rc = dbgcCmdDumpDTWorker32(pCmdHlp, &SelInfo.u.Raw, Sel, + !!(SelInfo.fFlags & DBGFSELINFO_FLAGS_HYPER), DBGF_AS_GLOBAL); + else + { + bool fDblSkip = false; + rc = dbgcCmdDumpDTWorker64(pCmdHlp, &SelInfo.u.Raw64, Sel, + !!(SelInfo.fFlags & DBGFSELINFO_FLAGS_HYPER), DBGF_AS_GLOBAL, &fDblSkip); + if (fDblSkip) + Sel += 4; + } + } + } + else + { + rc = DBGCCmdHlpPrintf(pCmdHlp, "%04x %Rrc\n", Sel, rc); + if (!fAll) + return rc; + } + if (RT_FAILURE(rc)) + return rc; + + /* next */ + Sel += 8; + } + } + else + DBGCCmdHlpPrintf(pCmdHlp, "error: %llx is out of bounds\n", u64); + } + + return VINF_SUCCESS; +} + + +/** + * @callback_method_impl{FNDBGCCMD, The 'di' and 'dia' commands.} + */ +static DECLCALLBACK(int) dbgcCmdDumpIDT(PCDBGCCMD pCmd, PDBGCCMDHLP pCmdHlp, PUVM pUVM, PCDBGCVAR paArgs, unsigned cArgs) +{ + /* + * Validate input. + */ + DBGC_CMDHLP_REQ_UVM_RET(pCmdHlp, pCmd, pUVM); + + /* + * Establish some stuff like the current IDTR and CPU mode, + * and fix a default parameter. + */ + PDBGC pDbgc = DBGC_CMDHLP2DBGC(pCmdHlp); + CPUMMODE enmMode = DBGCCmdHlpGetCpuMode(pCmdHlp); + uint16_t cbLimit = 0; + uint64_t GCFlat = 0; + int rc = DBGFR3RegCpuQueryXdtr(pDbgc->pUVM, pDbgc->idCpu, DBGFREG_IDTR, &GCFlat, &cbLimit); + if (RT_FAILURE(rc)) + return DBGCCmdHlpFailRc(pCmdHlp, pCmd, rc, "DBGFR3RegCpuQueryXdtr/DBGFREG_IDTR"); + unsigned cbEntry; + switch (enmMode) + { + case CPUMMODE_REAL: cbEntry = sizeof(RTFAR16); break; + case CPUMMODE_PROTECTED: cbEntry = sizeof(X86DESC); break; + case CPUMMODE_LONG: cbEntry = sizeof(X86DESC64); break; + default: + return DBGCCmdHlpPrintf(pCmdHlp, "error: Invalid CPU mode %d.\n", enmMode); + } + + bool fAll = pCmd->pszCmd[2] == 'a'; + DBGCVAR Var; + if (!cArgs) + { + cArgs = 1; + paArgs = &Var; + Var.enmType = DBGCVAR_TYPE_NUMBER; + Var.u.u64Number = 0; + Var.enmRangeType = DBGCVAR_RANGE_ELEMENTS; + Var.u64Range = 256; + } + + /* + * Process the arguments. + */ + for (unsigned i = 0; i < cArgs; i++) + { + DBGC_CMDHLP_ASSERT_PARSER_RET(pCmdHlp, pCmd, i, paArgs[i].enmType == DBGCVAR_TYPE_NUMBER); + if (paArgs[i].u.u64Number < 256) + { + RTGCUINTPTR iInt = (RTGCUINTPTR)paArgs[i].u.u64Number; + unsigned cInts = paArgs[i].enmRangeType != DBGCVAR_RANGE_NONE + ? paArgs[i].u64Range + : 1; + bool fSingle = cInts == 1; + while ( cInts-- > 0 + && iInt < 256) + { + /* + * Try read it. + */ + union + { + RTFAR16 Real; + X86DESC Prot; + X86DESC64 Long; + } u; + if (iInt * cbEntry + (cbEntry - 1) > cbLimit) + { + DBGCCmdHlpPrintf(pCmdHlp, "%04x not within the IDT\n", (unsigned)iInt); + if (!fAll && !fSingle) + return VINF_SUCCESS; + } + DBGCVAR AddrVar; + AddrVar.enmType = DBGCVAR_TYPE_GC_FLAT; + AddrVar.u.GCFlat = GCFlat + iInt * cbEntry; + AddrVar.enmRangeType = DBGCVAR_RANGE_NONE; + rc = pCmdHlp->pfnMemRead(pCmdHlp, &u, cbEntry, &AddrVar, NULL); + if (RT_FAILURE(rc)) + return pCmdHlp->pfnVBoxError(pCmdHlp, rc, "Reading IDT entry %#04x.\n", (unsigned)iInt); + + /* + * Display it. + */ + switch (enmMode) + { + case CPUMMODE_REAL: + { + char *pszSymbol = dbgcCmdHlpFarAddrToSymbol(pCmdHlp, DBGF_AS_GLOBAL, u.Real.sel, u.Real.off, " (", ")"); + rc = DBGCCmdHlpPrintf(pCmdHlp, "%04x %RTfp16%s\n", (unsigned)iInt, u.Real, pszSymbol ? pszSymbol : ""); + RTStrFree(pszSymbol); + break; + } + case CPUMMODE_PROTECTED: + if (fAll || fSingle || u.Prot.Gen.u1Present) + rc = dbgcCmdDumpDTWorker32(pCmdHlp, &u.Prot, iInt, false, DBGF_AS_GLOBAL); + break; + case CPUMMODE_LONG: + if (fAll || fSingle || u.Long.Gen.u1Present) + rc = dbgcCmdDumpDTWorker64(pCmdHlp, &u.Long, iInt, false, DBGF_AS_GLOBAL, NULL); + break; + default: break; /* to shut up gcc */ + } + if (RT_FAILURE(rc)) + return rc; + + /* next */ + iInt++; + } + } + else + DBGCCmdHlpPrintf(pCmdHlp, "error: %llx is out of bounds (max 256)\n", paArgs[i].u.u64Number); + } + + return VINF_SUCCESS; +} + + +/** + * @callback_method_impl{FNDBGCCMD, + * The 'da'\, 'dq'\, 'dqs'\, 'dd'\, 'dds'\, 'dw'\, 'db'\, 'dp'\, 'dps'\, + * and 'du' commands.} + */ +static DECLCALLBACK(int) dbgcCmdDumpMem(PCDBGCCMD pCmd, PDBGCCMDHLP pCmdHlp, PUVM pUVM, PCDBGCVAR paArgs, unsigned cArgs) +{ + PDBGC pDbgc = DBGC_CMDHLP2DBGC(pCmdHlp); + + /* + * Validate input. + */ + DBGC_CMDHLP_ASSERT_PARSER_RET(pCmdHlp, pCmd, 0, cArgs <= 1); + if (cArgs == 1) + DBGC_CMDHLP_ASSERT_PARSER_RET(pCmdHlp, pCmd, 0, DBGCVAR_ISPOINTER(paArgs[0].enmType)); + DBGC_CMDHLP_REQ_UVM_RET(pCmdHlp, pCmd, pUVM); + +#define DBGC_DUMP_MEM_F_ASCII RT_BIT_32(31) +#define DBGC_DUMP_MEM_F_UNICODE RT_BIT_32(30) +#define DBGC_DUMP_MEM_F_FAR RT_BIT_32(29) +#define DBGC_DUMP_MEM_F_SYMBOLS RT_BIT_32(28) +#define DBGC_DUMP_MEM_F_SIZE UINT32_C(0x0000ffff) + + /* + * Figure out the element size. + */ + unsigned cbElement; + bool fAscii = false; + bool fUnicode = false; + bool fFar = false; + bool fSymbols = pCmd->pszCmd[1] && pCmd->pszCmd[2] == 's'; + switch (pCmd->pszCmd[1]) + { + default: + case 'b': cbElement = 1; break; + case 'w': cbElement = 2; break; + case 'd': cbElement = 4; break; + case 'q': cbElement = 8; break; + case 'a': + cbElement = 1; + fAscii = true; + break; + case 'F': + cbElement = 4; + fFar = true; + break; + case 'p': + cbElement = DBGFR3CpuIsIn64BitCode(pUVM, pDbgc->idCpu) ? 8 : 4; + break; + case 'u': + cbElement = 2; + fUnicode = true; + break; + case '\0': + fAscii = RT_BOOL(pDbgc->cbDumpElement & DBGC_DUMP_MEM_F_ASCII); + fSymbols = RT_BOOL(pDbgc->cbDumpElement & DBGC_DUMP_MEM_F_SYMBOLS); + fUnicode = RT_BOOL(pDbgc->cbDumpElement & DBGC_DUMP_MEM_F_UNICODE); + fFar = RT_BOOL(pDbgc->cbDumpElement & DBGC_DUMP_MEM_F_FAR); + cbElement = pDbgc->cbDumpElement & DBGC_DUMP_MEM_F_SIZE; + if (!cbElement) + cbElement = 1; + break; + } + uint32_t const cbDumpElement = cbElement + | (fSymbols ? DBGC_DUMP_MEM_F_SYMBOLS : 0) + | (fFar ? DBGC_DUMP_MEM_F_FAR : 0) + | (fUnicode ? DBGC_DUMP_MEM_F_UNICODE : 0) + | (fAscii ? DBGC_DUMP_MEM_F_ASCII : 0); + pDbgc->cbDumpElement = cbDumpElement; + + /* + * Find address. + */ + if (!cArgs) + pDbgc->DumpPos.enmRangeType = DBGCVAR_RANGE_NONE; + else + pDbgc->DumpPos = paArgs[0]; + + /* + * Range. + */ + switch (pDbgc->DumpPos.enmRangeType) + { + case DBGCVAR_RANGE_NONE: + pDbgc->DumpPos.enmRangeType = DBGCVAR_RANGE_BYTES; + pDbgc->DumpPos.u64Range = 0x60; + break; + + case DBGCVAR_RANGE_ELEMENTS: + if (pDbgc->DumpPos.u64Range > 2048) + return DBGCCmdHlpPrintf(pCmdHlp, "error: Too many elements requested. Max is 2048 elements.\n"); + pDbgc->DumpPos.enmRangeType = DBGCVAR_RANGE_BYTES; + pDbgc->DumpPos.u64Range = (cbElement ? cbElement : 1) * pDbgc->DumpPos.u64Range; + break; + + case DBGCVAR_RANGE_BYTES: + if (pDbgc->DumpPos.u64Range > 65536) + return DBGCCmdHlpPrintf(pCmdHlp, "error: The requested range is too big. Max is 64KB.\n"); + break; + + default: + return DBGCCmdHlpPrintf(pCmdHlp, "internal error: Unknown range type %d.\n", pDbgc->DumpPos.enmRangeType); + } + + pDbgc->pLastPos = &pDbgc->DumpPos; + + /* + * Do the dumping. + */ + int cbLeft = (int)pDbgc->DumpPos.u64Range; + uint8_t u16Prev = '\0'; + for (;;) + { + /* + * Read memory. + */ + char achBuffer[16]; + size_t cbReq = RT_MIN((int)sizeof(achBuffer), cbLeft); + size_t cb = RT_MIN((int)sizeof(achBuffer), cbLeft); + int rc = pCmdHlp->pfnMemRead(pCmdHlp, &achBuffer, cbReq, &pDbgc->DumpPos, &cb); + if (RT_FAILURE(rc)) + { + if (u16Prev && u16Prev != '\n') + DBGCCmdHlpPrintf(pCmdHlp, "\n"); + return pCmdHlp->pfnVBoxError(pCmdHlp, rc, "Reading memory at %DV.\n", &pDbgc->DumpPos); + } + + /* + * Display it. + */ + memset(&achBuffer[cb], 0, sizeof(achBuffer) - cb); + if (!fAscii && !fUnicode) + { + DBGCCmdHlpPrintf(pCmdHlp, "%DV:", &pDbgc->DumpPos); + unsigned i; + for (i = 0; i < cb; i += cbElement) + { + const char *pszSpace = " "; + if (cbElement <= 2 && i == 8) + pszSpace = "-"; + switch (cbElement) + { + case 1: + DBGCCmdHlpPrintf(pCmdHlp, "%s%02x", pszSpace, *(uint8_t *)&achBuffer[i]); + break; + case 2: + DBGCCmdHlpPrintf(pCmdHlp, "%s%04x", pszSpace, *(uint16_t *)&achBuffer[i]); + break; + case 4: + if (!fFar) + DBGCCmdHlpPrintf(pCmdHlp, "%s%08x", pszSpace, *(uint32_t *)&achBuffer[i]); + else + DBGCCmdHlpPrintf(pCmdHlp, "%s%04x:%04x:", + pszSpace, *(uint16_t *)&achBuffer[i + 2], *(uint16_t *)&achBuffer[i]); + break; + case 8: + DBGCCmdHlpPrintf(pCmdHlp, "%s%016llx", pszSpace, *(uint64_t *)&achBuffer[i]); + break; + } + + if (fSymbols) + { + /* Try lookup symbol for the above address. */ + DBGFADDRESS Addr; + rc = VINF_SUCCESS; + if (cbElement == 8) + DBGFR3AddrFromFlat(pDbgc->pUVM, &Addr, *(uint64_t *)&achBuffer[i]); + else if (!fFar) + DBGFR3AddrFromFlat(pDbgc->pUVM, &Addr, *(uint32_t *)&achBuffer[i]); + else + rc = DBGFR3AddrFromSelOff(pDbgc->pUVM, pDbgc->idCpu, &Addr, + *(uint16_t *)&achBuffer[i + 2], *(uint16_t *)&achBuffer[i]); + if (RT_SUCCESS(rc)) + { + RTINTPTR offDisp; + RTDBGSYMBOL Symbol; + rc = DBGFR3AsSymbolByAddr(pUVM, pDbgc->hDbgAs, &Addr, + RTDBGSYMADDR_FLAGS_LESS_OR_EQUAL | RTDBGSYMADDR_FLAGS_SKIP_ABS_IN_DEFERRED, + &offDisp, &Symbol, NULL); + if (RT_SUCCESS(rc)) + { + if (!offDisp) + rc = DBGCCmdHlpPrintf(pCmdHlp, " %s", Symbol.szName); + else if (offDisp > 0) + rc = DBGCCmdHlpPrintf(pCmdHlp, " %s + %RGv", Symbol.szName, offDisp); + else + rc = DBGCCmdHlpPrintf(pCmdHlp, " %s - %RGv", Symbol.szName, -offDisp); + if (Symbol.cb > 0) + rc = DBGCCmdHlpPrintf(pCmdHlp, " (LB %RGv)", Symbol.cb); + } + } + + /* Next line prefix. */ + unsigned iNext = i + cbElement; + if (iNext < cb) + { + DBGCVAR TmpPos = pDbgc->DumpPos; + DBGCCmdHlpEval(pCmdHlp, &TmpPos, "(%Dv) + %x", &pDbgc->DumpPos, iNext); + DBGCCmdHlpPrintf(pCmdHlp, "\n%DV:", &pDbgc->DumpPos); + } + } + } + + /* Chars column. */ + if (cbElement == 1) + { + while (i++ < sizeof(achBuffer)) + DBGCCmdHlpPrintf(pCmdHlp, " "); + DBGCCmdHlpPrintf(pCmdHlp, " "); + for (i = 0; i < cb; i += cbElement) + { + uint8_t u8 = *(uint8_t *)&achBuffer[i]; + if (RT_C_IS_PRINT(u8) && u8 < 127 && u8 >= 32) + DBGCCmdHlpPrintf(pCmdHlp, "%c", u8); + else + DBGCCmdHlpPrintf(pCmdHlp, "."); + } + } + rc = DBGCCmdHlpPrintf(pCmdHlp, "\n"); + } + else + { + /* + * We print up to the first zero and stop there. + * Only printables + '\t' and '\n' are printed. + */ + if (!u16Prev) + DBGCCmdHlpPrintf(pCmdHlp, "%DV:\n", &pDbgc->DumpPos); + uint16_t u16 = '\0'; + unsigned i; + for (i = 0; i < cb; i += cbElement) + { + u16Prev = u16; + if (cbElement == 1) + u16 = *(uint8_t *)&achBuffer[i]; + else + u16 = *(uint16_t *)&achBuffer[i]; + if ( u16 < 127 + && ( (RT_C_IS_PRINT(u16) && u16 >= 32) + || u16 == '\t' + || u16 == '\n')) + DBGCCmdHlpPrintf(pCmdHlp, "%c", (int)u16); + else if (!u16) + break; + else + DBGCCmdHlpPrintf(pCmdHlp, "\\x%0*x", cbElement * 2, u16); + } + if (u16 == '\0') + cb = cbLeft = i + 1; + if (cbLeft - cb <= 0 && u16Prev != '\n') + DBGCCmdHlpPrintf(pCmdHlp, "\n"); + } + + /* + * Advance + */ + cbLeft -= (int)cb; + rc = DBGCCmdHlpEval(pCmdHlp, &pDbgc->DumpPos, "(%Dv) + %x", &pDbgc->DumpPos, cb); + if (RT_FAILURE(rc)) + return pCmdHlp->pfnVBoxError(pCmdHlp, rc, "Expression: (%Dv) + %x\n", &pDbgc->DumpPos, cb); + if (cbLeft <= 0) + break; + } + + NOREF(pCmd); + return VINF_SUCCESS; +} + + +/** + * Best guess at which paging mode currently applies to the guest + * paging structures. + * + * This have to come up with a decent answer even when the guest + * is in non-paged protected mode or real mode. + * + * @returns cr3. + * @param pDbgc The DBGC instance. + * @param pfPAE Where to store the page address extension indicator. + * @param pfLME Where to store the long mode enabled indicator. + * @param pfPSE Where to store the page size extension indicator. + * @param pfPGE Where to store the page global enabled indicator. + * @param pfNXE Where to store the no-execution enabled indicator. + */ +static RTGCPHYS dbgcGetGuestPageMode(PDBGC pDbgc, bool *pfPAE, bool *pfLME, bool *pfPSE, bool *pfPGE, bool *pfNXE) +{ + PVMCPU pVCpu = VMMR3GetCpuByIdU(pDbgc->pUVM, pDbgc->idCpu); + RTGCUINTREG cr4 = CPUMGetGuestCR4(pVCpu); + *pfPSE = !!(cr4 & X86_CR4_PSE); + *pfPGE = !!(cr4 & X86_CR4_PGE); + if (cr4 & X86_CR4_PAE) + { + *pfPSE = true; + *pfPAE = true; + } + else + *pfPAE = false; + + *pfLME = CPUMGetGuestMode(pVCpu) == CPUMMODE_LONG; + *pfNXE = false; /* GUEST64 GUESTNX */ + return CPUMGetGuestCR3(pVCpu); +} + + +/** + * Determine the shadow paging mode. + * + * @returns cr3. + * @param pDbgc The DBGC instance. + * @param pfPAE Where to store the page address extension indicator. + * @param pfLME Where to store the long mode enabled indicator. + * @param pfPSE Where to store the page size extension indicator. + * @param pfPGE Where to store the page global enabled indicator. + * @param pfNXE Where to store the no-execution enabled indicator. + */ +static RTHCPHYS dbgcGetShadowPageMode(PDBGC pDbgc, bool *pfPAE, bool *pfLME, bool *pfPSE, bool *pfPGE, bool *pfNXE) +{ + PVMCPU pVCpu = VMMR3GetCpuByIdU(pDbgc->pUVM, pDbgc->idCpu); + + *pfPSE = true; + *pfPGE = false; + switch (PGMGetShadowMode(pVCpu)) + { + default: + case PGMMODE_32_BIT: + *pfPAE = *pfLME = *pfNXE = false; + break; + case PGMMODE_PAE: + *pfLME = *pfNXE = false; + *pfPAE = true; + break; + case PGMMODE_PAE_NX: + *pfLME = false; + *pfPAE = *pfNXE = true; + break; + case PGMMODE_AMD64: + *pfNXE = false; + *pfPAE = *pfLME = true; + break; + case PGMMODE_AMD64_NX: + *pfPAE = *pfLME = *pfNXE = true; + break; + } + return PGMGetHyperCR3(pVCpu); +} + + +/** + * @callback_method_impl{FNDBGCCMD, + * The 'dpd'\, 'dpda'\, 'dpdb'\, 'dpdg' and 'dpdh' commands.} + */ +static DECLCALLBACK(int) dbgcCmdDumpPageDir(PCDBGCCMD pCmd, PDBGCCMDHLP pCmdHlp, PUVM pUVM, PCDBGCVAR paArgs, unsigned cArgs) +{ + PDBGC pDbgc = DBGC_CMDHLP2DBGC(pCmdHlp); + + /* + * Validate input. + */ + DBGC_CMDHLP_ASSERT_PARSER_RET(pCmdHlp, pCmd, 0, cArgs <= 1); + if (cArgs == 1 && pCmd->pszCmd[3] == 'a') + DBGC_CMDHLP_ASSERT_PARSER_RET(pCmdHlp, pCmd, 0, DBGCVAR_ISPOINTER(paArgs[0].enmType)); + if (cArgs == 1 && pCmd->pszCmd[3] != 'a') + DBGC_CMDHLP_ASSERT_PARSER_RET(pCmdHlp, pCmd, 0, paArgs[0].enmType == DBGCVAR_TYPE_NUMBER + || DBGCVAR_ISPOINTER(paArgs[0].enmType)); + DBGC_CMDHLP_REQ_UVM_RET(pCmdHlp, pCmd, pUVM); + + /* + * Guest or shadow page directories? Get the paging parameters. + */ + bool fGuest = pCmd->pszCmd[3] != 'h'; + if (!pCmd->pszCmd[3] || pCmd->pszCmd[3] == 'a') + fGuest = paArgs[0].enmType == DBGCVAR_TYPE_NUMBER + ? pDbgc->fRegCtxGuest + : DBGCVAR_ISGCPOINTER(paArgs[0].enmType); + + bool fPAE, fLME, fPSE, fPGE, fNXE; + uint64_t cr3 = fGuest + ? dbgcGetGuestPageMode(pDbgc, &fPAE, &fLME, &fPSE, &fPGE, &fNXE) + : dbgcGetShadowPageMode(pDbgc, &fPAE, &fLME, &fPSE, &fPGE, &fNXE); + const unsigned cbEntry = fPAE ? sizeof(X86PTEPAE) : sizeof(X86PTE); + + /* + * Setup default argument if none was specified. + * Fix address / index confusion. + */ + DBGCVAR VarDefault; + if (!cArgs) + { + if (pCmd->pszCmd[3] == 'a') + { + if (fLME || fPAE) + return DBGCCmdHlpPrintf(pCmdHlp, "Default argument for 'dpda' hasn't been fully implemented yet. Try with an address or use one of the other commands.\n"); + if (fGuest) + DBGCVAR_INIT_GC_PHYS(&VarDefault, cr3); + else + DBGCVAR_INIT_HC_PHYS(&VarDefault, cr3); + } + else + DBGCVAR_INIT_GC_FLAT(&VarDefault, 0); + paArgs = &VarDefault; + cArgs = 1; + } + else if (paArgs[0].enmType == DBGCVAR_TYPE_NUMBER) + { + /* If it's a number (not an address), it's an index, so convert it to an address. */ + Assert(pCmd->pszCmd[3] != 'a'); + VarDefault = paArgs[0]; + if (fPAE) + return DBGCCmdHlpPrintf(pCmdHlp, "PDE indexing is only implemented for 32-bit paging.\n"); + if (VarDefault.u.u64Number >= PAGE_SIZE / cbEntry) + return DBGCCmdHlpPrintf(pCmdHlp, "PDE index is out of range [0..%d].\n", PAGE_SIZE / cbEntry - 1); + VarDefault.u.u64Number <<= X86_PD_SHIFT; + VarDefault.enmType = DBGCVAR_TYPE_GC_FLAT; + paArgs = &VarDefault; + } + + /* + * Locate the PDE to start displaying at. + * + * The 'dpda' command takes the address of a PDE, while the others are guest + * virtual address which PDEs should be displayed. So, 'dpda' is rather simple + * while the others require us to do all the tedious walking thru the paging + * hierarchy to find the intended PDE. + */ + unsigned iEntry = ~0U; /* The page directory index. ~0U for 'dpta'. */ + DBGCVAR VarGCPtr = { NULL, }; /* The GC address corresponding to the current PDE (iEntry != ~0U). */ + DBGCVAR VarPDEAddr; /* The address of the current PDE. */ + unsigned cEntries; /* The number of entries to display. */ + unsigned cEntriesMax; /* The max number of entries to display. */ + int rc; + if (pCmd->pszCmd[3] == 'a') + { + VarPDEAddr = paArgs[0]; + switch (VarPDEAddr.enmRangeType) + { + case DBGCVAR_RANGE_BYTES: cEntries = VarPDEAddr.u64Range / cbEntry; break; + case DBGCVAR_RANGE_ELEMENTS: cEntries = VarPDEAddr.u64Range; break; + default: cEntries = 10; break; + } + cEntriesMax = PAGE_SIZE / cbEntry; + } + else + { + /* + * Determine the range. + */ + switch (paArgs[0].enmRangeType) + { + case DBGCVAR_RANGE_BYTES: cEntries = paArgs[0].u64Range / PAGE_SIZE; break; + case DBGCVAR_RANGE_ELEMENTS: cEntries = paArgs[0].u64Range; break; + default: cEntries = 10; break; + } + + /* + * Normalize the input address, it must be a flat GC address. + */ + rc = DBGCCmdHlpEval(pCmdHlp, &VarGCPtr, "%%(%Dv)", &paArgs[0]); + if (RT_FAILURE(rc)) + return DBGCCmdHlpVBoxError(pCmdHlp, rc, "%%(%Dv)", &paArgs[0]); + if (VarGCPtr.enmType == DBGCVAR_TYPE_HC_FLAT) + { + VarGCPtr.u.GCFlat = (uintptr_t)VarGCPtr.u.pvHCFlat; + VarGCPtr.enmType = DBGCVAR_TYPE_GC_FLAT; + } + if (fPAE) + VarGCPtr.u.GCFlat &= ~(((RTGCPTR)1 << X86_PD_PAE_SHIFT) - 1); + else + VarGCPtr.u.GCFlat &= ~(((RTGCPTR)1 << X86_PD_SHIFT) - 1); + + /* + * Do the paging walk until we get to the page directory. + */ + DBGCVAR VarCur; + if (fGuest) + DBGCVAR_INIT_GC_PHYS(&VarCur, cr3); + else + DBGCVAR_INIT_HC_PHYS(&VarCur, cr3); + if (fLME) + { + /* Page Map Level 4 Lookup. */ + /* Check if it's a valid address first? */ + VarCur.u.u64Number &= X86_PTE_PAE_PG_MASK; + VarCur.u.u64Number += (((uint64_t)VarGCPtr.u.GCFlat >> X86_PML4_SHIFT) & X86_PML4_MASK) * sizeof(X86PML4E); + X86PML4E Pml4e; + rc = pCmdHlp->pfnMemRead(pCmdHlp, &Pml4e, sizeof(Pml4e), &VarCur, NULL); + if (RT_FAILURE(rc)) + return DBGCCmdHlpVBoxError(pCmdHlp, rc, "Reading PML4E memory at %DV.\n", &VarCur); + if (!Pml4e.n.u1Present) + return DBGCCmdHlpPrintf(pCmdHlp, "Page directory pointer table is not present for %Dv.\n", &VarGCPtr); + + VarCur.u.u64Number = Pml4e.u & X86_PML4E_PG_MASK; + Assert(fPAE); + } + if (fPAE) + { + /* Page directory pointer table. */ + X86PDPE Pdpe; + VarCur.u.u64Number += ((VarGCPtr.u.GCFlat >> X86_PDPT_SHIFT) & X86_PDPT_MASK_PAE) * sizeof(Pdpe); + rc = pCmdHlp->pfnMemRead(pCmdHlp, &Pdpe, sizeof(Pdpe), &VarCur, NULL); + if (RT_FAILURE(rc)) + return DBGCCmdHlpVBoxError(pCmdHlp, rc, "Reading PDPE memory at %DV.\n", &VarCur); + if (!Pdpe.n.u1Present) + return DBGCCmdHlpPrintf(pCmdHlp, "Page directory is not present for %Dv.\n", &VarGCPtr); + + iEntry = (VarGCPtr.u.GCFlat >> X86_PD_PAE_SHIFT) & X86_PD_PAE_MASK; + VarPDEAddr = VarCur; + VarPDEAddr.u.u64Number = Pdpe.u & X86_PDPE_PG_MASK; + VarPDEAddr.u.u64Number += iEntry * sizeof(X86PDEPAE); + } + else + { + /* 32-bit legacy - CR3 == page directory. */ + iEntry = (VarGCPtr.u.GCFlat >> X86_PD_SHIFT) & X86_PD_MASK; + VarPDEAddr = VarCur; + VarPDEAddr.u.u64Number += iEntry * sizeof(X86PDE); + } + cEntriesMax = (PAGE_SIZE - iEntry) / cbEntry; + } + + /* adjust cEntries */ + cEntries = RT_MAX(1, cEntries); + cEntries = RT_MIN(cEntries, cEntriesMax); + + /* + * The display loop. + */ + DBGCCmdHlpPrintf(pCmdHlp, iEntry != ~0U ? "%DV (index %#x):\n" : "%DV:\n", + &VarPDEAddr, iEntry); + do + { + /* + * Read. + */ + X86PDEPAE Pde; + Pde.u = 0; + rc = pCmdHlp->pfnMemRead(pCmdHlp, &Pde, cbEntry, &VarPDEAddr, NULL); + if (RT_FAILURE(rc)) + return pCmdHlp->pfnVBoxError(pCmdHlp, rc, "Reading PDE memory at %DV.\n", &VarPDEAddr); + + /* + * Display. + */ + if (iEntry != ~0U) + { + DBGCCmdHlpPrintf(pCmdHlp, "%03x %DV: ", iEntry, &VarGCPtr); + iEntry++; + } + if (fPSE && Pde.b.u1Size) + DBGCCmdHlpPrintf(pCmdHlp, + fPAE + ? "%016llx big phys=%016llx %s %s %s %s %s avl=%02x %s %s %s %s %s" + : "%08llx big phys=%08llx %s %s %s %s %s avl=%02x %s %s %s %s %s", + Pde.u, + Pde.u & X86_PDE_PAE_PG_MASK, + Pde.b.u1Present ? "p " : "np", + Pde.b.u1Write ? "w" : "r", + Pde.b.u1User ? "u" : "s", + Pde.b.u1Accessed ? "a " : "na", + Pde.b.u1Dirty ? "d " : "nd", + Pde.b.u3Available, + Pde.b.u1Global ? (fPGE ? "g" : "G") : " ", + Pde.b.u1WriteThru ? "pwt" : " ", + Pde.b.u1CacheDisable ? "pcd" : " ", + Pde.b.u1PAT ? "pat" : "", + Pde.b.u1NoExecute ? (fNXE ? "nx" : "NX") : " "); + else + DBGCCmdHlpPrintf(pCmdHlp, + fPAE + ? "%016llx 4kb phys=%016llx %s %s %s %s %s avl=%02x %s %s %s %s" + : "%08llx 4kb phys=%08llx %s %s %s %s %s avl=%02x %s %s %s %s", + Pde.u, + Pde.u & X86_PDE_PAE_PG_MASK, + Pde.n.u1Present ? "p " : "np", + Pde.n.u1Write ? "w" : "r", + Pde.n.u1User ? "u" : "s", + Pde.n.u1Accessed ? "a " : "na", + Pde.u & RT_BIT(6) ? "6 " : " ", + Pde.n.u3Available, + Pde.u & RT_BIT(8) ? "8" : " ", + Pde.n.u1WriteThru ? "pwt" : " ", + Pde.n.u1CacheDisable ? "pcd" : " ", + Pde.u & RT_BIT(7) ? "7" : "", + Pde.n.u1NoExecute ? (fNXE ? "nx" : "NX") : " "); + if (Pde.u & UINT64_C(0x7fff000000000000)) + DBGCCmdHlpPrintf(pCmdHlp, " weird=%RX64", (Pde.u & UINT64_C(0x7fff000000000000))); + rc = DBGCCmdHlpPrintf(pCmdHlp, "\n"); + if (RT_FAILURE(rc)) + return rc; + + /* + * Advance. + */ + VarPDEAddr.u.u64Number += cbEntry; + if (iEntry != ~0U) + VarGCPtr.u.GCFlat += fPAE ? RT_BIT_32(X86_PD_PAE_SHIFT) : RT_BIT_32(X86_PD_SHIFT); + } while (cEntries-- > 0); + + return VINF_SUCCESS; +} + + +/** + * @callback_method_impl{FNDBGCCMD, The 'dpdb' command.} + */ +static DECLCALLBACK(int) dbgcCmdDumpPageDirBoth(PCDBGCCMD pCmd, PDBGCCMDHLP pCmdHlp, PUVM pUVM, PCDBGCVAR paArgs, unsigned cArgs) +{ + DBGC_CMDHLP_REQ_UVM_RET(pCmdHlp, pCmd, pUVM); + int rc1 = pCmdHlp->pfnExec(pCmdHlp, "dpdg %DV", &paArgs[0]); + int rc2 = pCmdHlp->pfnExec(pCmdHlp, "dpdh %DV", &paArgs[0]); + if (RT_FAILURE(rc1)) + return rc1; + NOREF(pCmd); NOREF(paArgs); NOREF(cArgs); + return rc2; +} + + +/** + * @callback_method_impl{FNDBGCCMD, The 'dph*' commands and main part of 'm'.} + */ +static DECLCALLBACK(int) dbgcCmdDumpPageHierarchy(PCDBGCCMD pCmd, PDBGCCMDHLP pCmdHlp, PUVM pUVM, PCDBGCVAR paArgs, unsigned cArgs) +{ + PDBGC pDbgc = DBGC_CMDHLP2DBGC(pCmdHlp); + DBGC_CMDHLP_REQ_UVM_RET(pCmdHlp, pCmd, pUVM); + + /* + * Figure the context and base flags. + */ + uint32_t fFlags = DBGFPGDMP_FLAGS_PAGE_INFO | DBGFPGDMP_FLAGS_PRINT_CR3; + if (pCmd->pszCmd[0] == 'm') + fFlags |= DBGFPGDMP_FLAGS_GUEST | DBGFPGDMP_FLAGS_SHADOW; + else if (pCmd->pszCmd[3] == '\0') + fFlags |= pDbgc->fRegCtxGuest ? DBGFPGDMP_FLAGS_GUEST : DBGFPGDMP_FLAGS_SHADOW; + else if (pCmd->pszCmd[3] == 'g') + fFlags |= DBGFPGDMP_FLAGS_GUEST; + else if (pCmd->pszCmd[3] == 'h') + fFlags |= DBGFPGDMP_FLAGS_SHADOW; + else + AssertFailed(); + + if (pDbgc->cPagingHierarchyDumps == 0) + fFlags |= DBGFPGDMP_FLAGS_HEADER; + pDbgc->cPagingHierarchyDumps = (pDbgc->cPagingHierarchyDumps + 1) % 42; + + /* + * Get the range. + */ + PCDBGCVAR pRange = cArgs > 0 ? &paArgs[0] : pDbgc->pLastPos; + RTGCPTR GCPtrFirst = NIL_RTGCPTR; + int rc = DBGCCmdHlpVarToFlatAddr(pCmdHlp, pRange, &GCPtrFirst); + if (RT_FAILURE(rc)) + return DBGCCmdHlpFail(pCmdHlp, pCmd, "Failed to convert %DV to a flat address: %Rrc", pRange, rc); + + uint64_t cbRange; + rc = DBGCCmdHlpVarGetRange(pCmdHlp, pRange, PAGE_SIZE, PAGE_SIZE * 8, &cbRange); + if (RT_FAILURE(rc)) + return DBGCCmdHlpFail(pCmdHlp, pCmd, "Failed to obtain the range of %DV: %Rrc", pRange, rc); + + RTGCPTR GCPtrLast = RTGCPTR_MAX - GCPtrFirst; + if (cbRange >= GCPtrLast) + GCPtrLast = RTGCPTR_MAX; + else if (!cbRange) + GCPtrLast = GCPtrFirst; + else + GCPtrLast = GCPtrFirst + cbRange - 1; + + /* + * Do we have a CR3? + */ + uint64_t cr3 = 0; + if (cArgs > 1) + { + if ((fFlags & (DBGFPGDMP_FLAGS_GUEST | DBGFPGDMP_FLAGS_SHADOW)) == (DBGFPGDMP_FLAGS_GUEST | DBGFPGDMP_FLAGS_SHADOW)) + return DBGCCmdHlpFail(pCmdHlp, pCmd, "No CR3 or mode arguments when dumping both context, please."); + if (paArgs[1].enmType != DBGCVAR_TYPE_NUMBER) + return DBGCCmdHlpFail(pCmdHlp, pCmd, "The CR3 argument is not a number: %DV", &paArgs[1]); + cr3 = paArgs[1].u.u64Number; + } + else + fFlags |= DBGFPGDMP_FLAGS_CURRENT_CR3; + + /* + * Do we have a mode? + */ + if (cArgs > 2) + { + if (paArgs[2].enmType != DBGCVAR_TYPE_STRING) + return DBGCCmdHlpFail(pCmdHlp, pCmd, "The mode argument is not a string: %DV", &paArgs[2]); + static const struct MODETOFLAGS + { + const char *pszName; + uint32_t fFlags; + } s_aModeToFlags[] = + { + { "ept", DBGFPGDMP_FLAGS_EPT }, + { "legacy", 0 }, + { "legacy-np", DBGFPGDMP_FLAGS_NP }, + { "pse", DBGFPGDMP_FLAGS_PSE }, + { "pse-np", DBGFPGDMP_FLAGS_PSE | DBGFPGDMP_FLAGS_NP }, + { "pae", DBGFPGDMP_FLAGS_PSE | DBGFPGDMP_FLAGS_PAE }, + { "pae-np", DBGFPGDMP_FLAGS_PSE | DBGFPGDMP_FLAGS_PAE | DBGFPGDMP_FLAGS_NP }, + { "pae-nx", DBGFPGDMP_FLAGS_PSE | DBGFPGDMP_FLAGS_PAE | DBGFPGDMP_FLAGS_NXE }, + { "pae-nx-np", DBGFPGDMP_FLAGS_PSE | DBGFPGDMP_FLAGS_PAE | DBGFPGDMP_FLAGS_NXE | DBGFPGDMP_FLAGS_NP }, + { "long", DBGFPGDMP_FLAGS_PSE | DBGFPGDMP_FLAGS_PAE | DBGFPGDMP_FLAGS_LME }, + { "long-np", DBGFPGDMP_FLAGS_PSE | DBGFPGDMP_FLAGS_PAE | DBGFPGDMP_FLAGS_LME | DBGFPGDMP_FLAGS_NP }, + { "long-nx", DBGFPGDMP_FLAGS_PSE | DBGFPGDMP_FLAGS_PAE | DBGFPGDMP_FLAGS_LME | DBGFPGDMP_FLAGS_NXE }, + { "long-nx-np", DBGFPGDMP_FLAGS_PSE | DBGFPGDMP_FLAGS_PAE | DBGFPGDMP_FLAGS_LME | DBGFPGDMP_FLAGS_NXE | DBGFPGDMP_FLAGS_NP } + }; + int i = RT_ELEMENTS(s_aModeToFlags); + while (i-- > 0) + if (!strcmp(s_aModeToFlags[i].pszName, paArgs[2].u.pszString)) + { + fFlags |= s_aModeToFlags[i].fFlags; + break; + } + if (i < 0) + return DBGCCmdHlpFail(pCmdHlp, pCmd, "Unknown mode: \"%s\"", paArgs[2].u.pszString); + } + else + fFlags |= DBGFPGDMP_FLAGS_CURRENT_MODE; + + /* + * Call the worker. + */ + rc = DBGFR3PagingDumpEx(pUVM, pDbgc->idCpu, fFlags, cr3, GCPtrFirst, GCPtrLast, 99 /*cMaxDepth*/, + DBGCCmdHlpGetDbgfOutputHlp(pCmdHlp)); + if (RT_FAILURE(rc)) + return DBGCCmdHlpFail(pCmdHlp, pCmd, "DBGFR3PagingDumpEx: %Rrc\n", rc); + return VINF_SUCCESS; +} + + + +/** + * @callback_method_impl{FNDBGCCMD, The 'dpg*' commands.} + */ +static DECLCALLBACK(int) dbgcCmdDumpPageTable(PCDBGCCMD pCmd, PDBGCCMDHLP pCmdHlp, PUVM pUVM, PCDBGCVAR paArgs, unsigned cArgs) +{ + PDBGC pDbgc = DBGC_CMDHLP2DBGC(pCmdHlp); + + /* + * Validate input. + */ + DBGC_CMDHLP_ASSERT_PARSER_RET(pCmdHlp, pCmd, 0, cArgs == 1); + if (pCmd->pszCmd[3] == 'a') + DBGC_CMDHLP_ASSERT_PARSER_RET(pCmdHlp, pCmd, 0, DBGCVAR_ISPOINTER(paArgs[0].enmType)); + else + DBGC_CMDHLP_ASSERT_PARSER_RET(pCmdHlp, pCmd, 0, paArgs[0].enmType == DBGCVAR_TYPE_NUMBER + || DBGCVAR_ISPOINTER(paArgs[0].enmType)); + DBGC_CMDHLP_REQ_UVM_RET(pCmdHlp, pCmd, pUVM); + + /* + * Guest or shadow page tables? Get the paging parameters. + */ + bool fGuest = pCmd->pszCmd[3] != 'h'; + if (!pCmd->pszCmd[3] || pCmd->pszCmd[3] == 'a') + fGuest = paArgs[0].enmType == DBGCVAR_TYPE_NUMBER + ? pDbgc->fRegCtxGuest + : DBGCVAR_ISGCPOINTER(paArgs[0].enmType); + + bool fPAE, fLME, fPSE, fPGE, fNXE; + uint64_t cr3 = fGuest + ? dbgcGetGuestPageMode(pDbgc, &fPAE, &fLME, &fPSE, &fPGE, &fNXE) + : dbgcGetShadowPageMode(pDbgc, &fPAE, &fLME, &fPSE, &fPGE, &fNXE); + const unsigned cbEntry = fPAE ? sizeof(X86PTEPAE) : sizeof(X86PTE); + + /* + * Locate the PTE to start displaying at. + * + * The 'dpta' command takes the address of a PTE, while the others are guest + * virtual address which PTEs should be displayed. So, 'pdta' is rather simple + * while the others require us to do all the tedious walking thru the paging + * hierarchy to find the intended PTE. + */ + unsigned iEntry = ~0U; /* The page table index. ~0U for 'dpta'. */ + DBGCVAR VarGCPtr; /* The GC address corresponding to the current PTE (iEntry != ~0U). */ + DBGCVAR VarPTEAddr; /* The address of the current PTE. */ + unsigned cEntries; /* The number of entries to display. */ + unsigned cEntriesMax; /* The max number of entries to display. */ + int rc; + if (pCmd->pszCmd[3] == 'a') + { + VarPTEAddr = paArgs[0]; + switch (VarPTEAddr.enmRangeType) + { + case DBGCVAR_RANGE_BYTES: cEntries = VarPTEAddr.u64Range / cbEntry; break; + case DBGCVAR_RANGE_ELEMENTS: cEntries = VarPTEAddr.u64Range; break; + default: cEntries = 10; break; + } + cEntriesMax = PAGE_SIZE / cbEntry; + } + else + { + /* + * Determine the range. + */ + switch (paArgs[0].enmRangeType) + { + case DBGCVAR_RANGE_BYTES: cEntries = paArgs[0].u64Range / PAGE_SIZE; break; + case DBGCVAR_RANGE_ELEMENTS: cEntries = paArgs[0].u64Range; break; + default: cEntries = 10; break; + } + + /* + * Normalize the input address, it must be a flat GC address. + */ + rc = DBGCCmdHlpEval(pCmdHlp, &VarGCPtr, "%%(%Dv)", &paArgs[0]); + if (RT_FAILURE(rc)) + return DBGCCmdHlpVBoxError(pCmdHlp, rc, "%%(%Dv)", &paArgs[0]); + if (VarGCPtr.enmType == DBGCVAR_TYPE_HC_FLAT) + { + VarGCPtr.u.GCFlat = (uintptr_t)VarGCPtr.u.pvHCFlat; + VarGCPtr.enmType = DBGCVAR_TYPE_GC_FLAT; + } + VarGCPtr.u.GCFlat &= ~(RTGCPTR)PAGE_OFFSET_MASK; + + /* + * Do the paging walk until we get to the page table. + */ + DBGCVAR VarCur; + if (fGuest) + DBGCVAR_INIT_GC_PHYS(&VarCur, cr3); + else + DBGCVAR_INIT_HC_PHYS(&VarCur, cr3); + if (fLME) + { + /* Page Map Level 4 Lookup. */ + /* Check if it's a valid address first? */ + VarCur.u.u64Number &= X86_PTE_PAE_PG_MASK; + VarCur.u.u64Number += (((uint64_t)VarGCPtr.u.GCFlat >> X86_PML4_SHIFT) & X86_PML4_MASK) * sizeof(X86PML4E); + X86PML4E Pml4e; + rc = pCmdHlp->pfnMemRead(pCmdHlp, &Pml4e, sizeof(Pml4e), &VarCur, NULL); + if (RT_FAILURE(rc)) + return DBGCCmdHlpVBoxError(pCmdHlp, rc, "Reading PML4E memory at %DV.\n", &VarCur); + if (!Pml4e.n.u1Present) + return DBGCCmdHlpPrintf(pCmdHlp, "Page directory pointer table is not present for %Dv.\n", &VarGCPtr); + + VarCur.u.u64Number = Pml4e.u & X86_PML4E_PG_MASK; + Assert(fPAE); + } + if (fPAE) + { + /* Page directory pointer table. */ + X86PDPE Pdpe; + VarCur.u.u64Number += ((VarGCPtr.u.GCFlat >> X86_PDPT_SHIFT) & X86_PDPT_MASK_PAE) * sizeof(Pdpe); + rc = pCmdHlp->pfnMemRead(pCmdHlp, &Pdpe, sizeof(Pdpe), &VarCur, NULL); + if (RT_FAILURE(rc)) + return DBGCCmdHlpVBoxError(pCmdHlp, rc, "Reading PDPE memory at %DV.\n", &VarCur); + if (!Pdpe.n.u1Present) + return DBGCCmdHlpPrintf(pCmdHlp, "Page directory is not present for %Dv.\n", &VarGCPtr); + + VarCur.u.u64Number = Pdpe.u & X86_PDPE_PG_MASK; + + /* Page directory (PAE). */ + X86PDEPAE Pde; + VarCur.u.u64Number += ((VarGCPtr.u.GCFlat >> X86_PD_PAE_SHIFT) & X86_PD_PAE_MASK) * sizeof(Pde); + rc = pCmdHlp->pfnMemRead(pCmdHlp, &Pde, sizeof(Pde), &VarCur, NULL); + if (RT_FAILURE(rc)) + return DBGCCmdHlpVBoxError(pCmdHlp, rc, "Reading PDE memory at %DV.\n", &VarCur); + if (!Pde.n.u1Present) + return DBGCCmdHlpPrintf(pCmdHlp, "Page table is not present for %Dv.\n", &VarGCPtr); + if (fPSE && Pde.n.u1Size) + return pCmdHlp->pfnExec(pCmdHlp, "dpd%s %Dv L3", &pCmd->pszCmd[3], &VarGCPtr); + + iEntry = (VarGCPtr.u.GCFlat >> X86_PT_PAE_SHIFT) & X86_PT_PAE_MASK; + VarPTEAddr = VarCur; + VarPTEAddr.u.u64Number = Pde.u & X86_PDE_PAE_PG_MASK; + VarPTEAddr.u.u64Number += iEntry * sizeof(X86PTEPAE); + } + else + { + /* Page directory (legacy). */ + X86PDE Pde; + VarCur.u.u64Number += ((VarGCPtr.u.GCFlat >> X86_PD_SHIFT) & X86_PD_MASK) * sizeof(Pde); + rc = pCmdHlp->pfnMemRead(pCmdHlp, &Pde, sizeof(Pde), &VarCur, NULL); + if (RT_FAILURE(rc)) + return DBGCCmdHlpVBoxError(pCmdHlp, rc, "Reading PDE memory at %DV.\n", &VarCur); + if (!Pde.n.u1Present) + return DBGCCmdHlpPrintf(pCmdHlp, "Page table is not present for %Dv.\n", &VarGCPtr); + if (fPSE && Pde.n.u1Size) + return pCmdHlp->pfnExec(pCmdHlp, "dpd%s %Dv L3", &pCmd->pszCmd[3], &VarGCPtr); + + iEntry = (VarGCPtr.u.GCFlat >> X86_PT_SHIFT) & X86_PT_MASK; + VarPTEAddr = VarCur; + VarPTEAddr.u.u64Number = Pde.u & X86_PDE_PG_MASK; + VarPTEAddr.u.u64Number += iEntry * sizeof(X86PTE); + } + cEntriesMax = (PAGE_SIZE - iEntry) / cbEntry; + } + + /* adjust cEntries */ + cEntries = RT_MAX(1, cEntries); + cEntries = RT_MIN(cEntries, cEntriesMax); + + /* + * The display loop. + */ + DBGCCmdHlpPrintf(pCmdHlp, iEntry != ~0U ? "%DV (base %DV / index %#x):\n" : "%DV:\n", + &VarPTEAddr, &VarGCPtr, iEntry); + do + { + /* + * Read. + */ + X86PTEPAE Pte; + Pte.u = 0; + rc = pCmdHlp->pfnMemRead(pCmdHlp, &Pte, cbEntry, &VarPTEAddr, NULL); + if (RT_FAILURE(rc)) + return DBGCCmdHlpVBoxError(pCmdHlp, rc, "Reading PTE memory at %DV.\n", &VarPTEAddr); + + /* + * Display. + */ + if (iEntry != ~0U) + { + DBGCCmdHlpPrintf(pCmdHlp, "%03x %DV: ", iEntry, &VarGCPtr); + iEntry++; + } + DBGCCmdHlpPrintf(pCmdHlp, + fPAE + ? "%016llx 4kb phys=%016llx %s %s %s %s %s avl=%02x %s %s %s %s %s" + : "%08llx 4kb phys=%08llx %s %s %s %s %s avl=%02x %s %s %s %s %s", + Pte.u, + Pte.u & X86_PTE_PAE_PG_MASK, + Pte.n.u1Present ? "p " : "np", + Pte.n.u1Write ? "w" : "r", + Pte.n.u1User ? "u" : "s", + Pte.n.u1Accessed ? "a " : "na", + Pte.n.u1Dirty ? "d " : "nd", + Pte.n.u3Available, + Pte.n.u1Global ? (fPGE ? "g" : "G") : " ", + Pte.n.u1WriteThru ? "pwt" : " ", + Pte.n.u1CacheDisable ? "pcd" : " ", + Pte.n.u1PAT ? "pat" : " ", + Pte.n.u1NoExecute ? (fNXE ? "nx" : "NX") : " " + ); + if (Pte.u & UINT64_C(0x7fff000000000000)) + DBGCCmdHlpPrintf(pCmdHlp, " weird=%RX64", (Pte.u & UINT64_C(0x7fff000000000000))); + rc = DBGCCmdHlpPrintf(pCmdHlp, "\n"); + if (RT_FAILURE(rc)) + return rc; + + /* + * Advance. + */ + VarPTEAddr.u.u64Number += cbEntry; + if (iEntry != ~0U) + VarGCPtr.u.GCFlat += PAGE_SIZE; + } while (cEntries-- > 0); + + return VINF_SUCCESS; +} + + +/** + * @callback_method_impl{FNDBGCCMD, The 'dptb' command.} + */ +static DECLCALLBACK(int) dbgcCmdDumpPageTableBoth(PCDBGCCMD pCmd, PDBGCCMDHLP pCmdHlp, PUVM pUVM, PCDBGCVAR paArgs, unsigned cArgs) +{ + DBGC_CMDHLP_REQ_UVM_RET(pCmdHlp, pCmd, pUVM); + int rc1 = pCmdHlp->pfnExec(pCmdHlp, "dptg %DV", &paArgs[0]); + int rc2 = pCmdHlp->pfnExec(pCmdHlp, "dpth %DV", &paArgs[0]); + if (RT_FAILURE(rc1)) + return rc1; + NOREF(pCmd); NOREF(cArgs); + return rc2; +} + + +/** + * @callback_method_impl{FNDBGCCMD, The 'dt' command.} + */ +static DECLCALLBACK(int) dbgcCmdDumpTSS(PCDBGCCMD pCmd, PDBGCCMDHLP pCmdHlp, PUVM pUVM, PCDBGCVAR paArgs, unsigned cArgs) +{ + PDBGC pDbgc = DBGC_CMDHLP2DBGC(pCmdHlp); + int rc; + + DBGC_CMDHLP_REQ_UVM_RET(pCmdHlp, pCmd, pUVM); + DBGC_CMDHLP_ASSERT_PARSER_RET(pCmdHlp, pCmd, 0, cArgs <= 1); + if (cArgs == 1) + DBGC_CMDHLP_ASSERT_PARSER_RET(pCmdHlp, pCmd, 0, paArgs[0].enmType != DBGCVAR_TYPE_STRING + && paArgs[0].enmType != DBGCVAR_TYPE_SYMBOL); + + /* + * Check if the command indicates the type. + */ + enum { kTss16, kTss32, kTss64, kTssToBeDetermined } enmTssType = kTssToBeDetermined; + if (!strcmp(pCmd->pszCmd, "dt16")) + enmTssType = kTss16; + else if (!strcmp(pCmd->pszCmd, "dt32")) + enmTssType = kTss32; + else if (!strcmp(pCmd->pszCmd, "dt64")) + enmTssType = kTss64; + + /* + * We can get a TSS selector (number), a far pointer using a TSS selector, or some kind of TSS pointer. + */ + uint32_t SelTss = UINT32_MAX; + DBGCVAR VarTssAddr; + if (cArgs == 0) + { + /** @todo consider querying the hidden bits instead (missing API). */ + uint16_t SelTR; + rc = DBGFR3RegCpuQueryU16(pUVM, pDbgc->idCpu, DBGFREG_TR, &SelTR); + if (RT_FAILURE(rc)) + return DBGCCmdHlpFail(pCmdHlp, pCmd, "Failed to query TR, rc=%Rrc\n", rc); + DBGCVAR_INIT_GC_FAR(&VarTssAddr, SelTR, 0); + SelTss = SelTR; + } + else if (paArgs[0].enmType == DBGCVAR_TYPE_NUMBER) + { + if (paArgs[0].u.u64Number < 0xffff) + DBGCVAR_INIT_GC_FAR(&VarTssAddr, (RTSEL)paArgs[0].u.u64Number, 0); + else + { + if (paArgs[0].enmRangeType == DBGCVAR_RANGE_ELEMENTS) + return DBGCCmdHlpFail(pCmdHlp, pCmd, "Element count doesn't combine with a TSS address.\n"); + DBGCVAR_INIT_GC_FLAT(&VarTssAddr, paArgs[0].u.u64Number); + if (paArgs[0].enmRangeType == DBGCVAR_RANGE_BYTES) + { + VarTssAddr.enmRangeType = paArgs[0].enmRangeType; + VarTssAddr.u64Range = paArgs[0].u64Range; + } + } + } + else + VarTssAddr = paArgs[0]; + + /* + * Deal with TSS:ign by means of the GDT. + */ + if (VarTssAddr.enmType == DBGCVAR_TYPE_GC_FAR) + { + SelTss = VarTssAddr.u.GCFar.sel; + DBGFSELINFO SelInfo; + rc = DBGFR3SelQueryInfo(pUVM, pDbgc->idCpu, VarTssAddr.u.GCFar.sel, DBGFSELQI_FLAGS_DT_GUEST, &SelInfo); + if (RT_FAILURE(rc)) + return DBGCCmdHlpFail(pCmdHlp, pCmd, "DBGFR3SelQueryInfo(,%u,%d,,) -> %Rrc.\n", + pDbgc->idCpu, VarTssAddr.u.GCFar.sel, rc); + + if (SelInfo.u.Raw.Gen.u1DescType) + return DBGCCmdHlpFail(pCmdHlp, pCmd, "%04x is not a TSS selector. (!sys)\n", VarTssAddr.u.GCFar.sel); + + switch (SelInfo.u.Raw.Gen.u4Type) + { + case X86_SEL_TYPE_SYS_286_TSS_BUSY: + case X86_SEL_TYPE_SYS_286_TSS_AVAIL: + if (enmTssType == kTssToBeDetermined) + enmTssType = kTss16; + break; + + case X86_SEL_TYPE_SYS_386_TSS_BUSY: /* AMD64 too */ + case X86_SEL_TYPE_SYS_386_TSS_AVAIL: + if (enmTssType == kTssToBeDetermined) + enmTssType = SelInfo.fFlags & DBGFSELINFO_FLAGS_LONG_MODE ? kTss64 : kTss32; + break; + + default: + return DBGCCmdHlpFail(pCmdHlp, pCmd, "%04x is not a TSS selector. (type=%x)\n", + VarTssAddr.u.GCFar.sel, SelInfo.u.Raw.Gen.u4Type); + } + + DBGCVAR_INIT_GC_FLAT(&VarTssAddr, SelInfo.GCPtrBase); + DBGCVAR_SET_RANGE(&VarTssAddr, DBGCVAR_RANGE_BYTES, RT_MAX(SelInfo.cbLimit + 1, SelInfo.cbLimit)); + } + + /* + * Determine the TSS type if none is currently given. + */ + if (enmTssType == kTssToBeDetermined) + { + if ( VarTssAddr.u64Range > 0 + && VarTssAddr.u64Range < sizeof(X86TSS32) - 4) + enmTssType = kTss16; + else + { + uint64_t uEfer; + rc = DBGFR3RegCpuQueryU64(pUVM, pDbgc->idCpu, DBGFREG_MSR_K6_EFER, &uEfer); + if ( RT_FAILURE(rc) + || !(uEfer & MSR_K6_EFER_LMA) ) + enmTssType = kTss32; + else + enmTssType = kTss64; + } + } + + /* + * Figure the min/max sizes. + * ASSUMES max TSS size is 64 KB. + */ + uint32_t cbTssMin; + uint32_t cbTssMax; + switch (enmTssType) + { + case kTss16: + cbTssMin = cbTssMax = X86_SEL_TYPE_SYS_286_TSS_LIMIT_MIN + 1; + break; + case kTss32: + cbTssMin = X86_SEL_TYPE_SYS_386_TSS_LIMIT_MIN + 1; + cbTssMax = _64K; + break; + case kTss64: + cbTssMin = X86_SEL_TYPE_SYS_386_TSS_LIMIT_MIN + 1; + cbTssMax = _64K; + break; + default: + AssertFailedReturn(VERR_INTERNAL_ERROR); + } + uint32_t cbTss = VarTssAddr.enmRangeType == DBGCVAR_RANGE_BYTES ? (uint32_t)VarTssAddr.u64Range : 0; + if (cbTss == 0) + cbTss = cbTssMin; + else if (cbTss < cbTssMin) + return DBGCCmdHlpFail(pCmdHlp, pCmd, "Minimum TSS size is %u bytes, you specified %llu (%llx) bytes.\n", + cbTssMin, VarTssAddr.u64Range, VarTssAddr.u64Range); + else if (cbTss > cbTssMax) + cbTss = cbTssMax; + DBGCVAR_SET_RANGE(&VarTssAddr, DBGCVAR_RANGE_BYTES, cbTss); + + /* + * Read the TSS into a temporary buffer. + */ + uint8_t abBuf[_64K]; + size_t cbTssRead; + rc = DBGCCmdHlpMemRead(pCmdHlp, abBuf, cbTss, &VarTssAddr, &cbTssRead); + if (RT_FAILURE(rc)) + return DBGCCmdHlpFail(pCmdHlp, pCmd, "Failed to read TSS at %Dv: %Rrc\n", &VarTssAddr, rc); + if (cbTssRead < cbTssMin) + return DBGCCmdHlpFail(pCmdHlp, pCmd, "Failed to read essential parts of the TSS (read %zu, min %zu).\n", + cbTssRead, cbTssMin); + if (cbTssRead < cbTss) + memset(&abBuf[cbTssRead], 0xff, cbTss - cbTssRead); + + + /* + * Format the TSS. + */ + uint16_t offIoBitmap; + switch (enmTssType) + { + case kTss16: + { + PCX86TSS16 pTss = (PCX86TSS16)&abBuf[0]; + if (SelTss != UINT32_MAX) + DBGCCmdHlpPrintf(pCmdHlp, "%04x TSS16 at %Dv\n", SelTss, &VarTssAddr); + else + DBGCCmdHlpPrintf(pCmdHlp, "TSS16 at %Dv\n", &VarTssAddr); + DBGCCmdHlpPrintf(pCmdHlp, + "ax=%04x bx=%04x cx=%04x dx=%04x si=%04x di=%04x\n" + "ip=%04x sp=%04x bp=%04x\n" + "cs=%04x ss=%04x ds=%04x es=%04x flags=%04x\n" + "ss:sp0=%04x:%04x ss:sp1=%04x:%04x ss:sp2=%04x:%04x\n" + "prev=%04x ldtr=%04x\n" + , + pTss->ax, pTss->bx, pTss->cx, pTss->dx, pTss->si, pTss->di, + pTss->ip, pTss->sp, pTss->bp, + pTss->cs, pTss->ss, pTss->ds, pTss->es, pTss->flags, + pTss->ss0, pTss->sp0, pTss->ss1, pTss->sp1, pTss->ss2, pTss->sp2, + pTss->selPrev, pTss->selLdt); + if (pTss->cs != 0) + pCmdHlp->pfnExec(pCmdHlp, "u %04x:%04x L 0", pTss->cs, pTss->ip); + offIoBitmap = 0; + break; + } + + case kTss32: + { + PCX86TSS32 pTss = (PCX86TSS32)&abBuf[0]; + if (SelTss != UINT32_MAX) + DBGCCmdHlpPrintf(pCmdHlp, "%04x TSS32 at %Dv (min=%04x)\n", SelTss, &VarTssAddr, cbTssMin); + else + DBGCCmdHlpPrintf(pCmdHlp, "TSS32 at %Dv (min=%04x)\n", &VarTssAddr, cbTssMin); + DBGCCmdHlpPrintf(pCmdHlp, + "eax=%08x ebx=%08x ecx=%08x edx=%08x esi=%08x edi=%08x\n" + "eip=%08x esp=%08x ebp=%08x\n" + "cs=%04x ss=%04x ds=%04x es=%04x fs=%04x gs=%04x eflags=%08x\n" + "ss:esp0=%04x:%08x ss:esp1=%04x:%08x ss:esp2=%04x:%08x\n" + "prev=%04x ldtr=%04x cr3=%08x debug=%u iomap=%04x\n" + , + pTss->eax, pTss->ebx, pTss->ecx, pTss->edx, pTss->esi, pTss->edi, + pTss->eip, pTss->esp, pTss->ebp, + pTss->cs, pTss->ss, pTss->ds, pTss->es, pTss->fs, pTss->gs, pTss->eflags, + pTss->ss0, pTss->esp0, pTss->ss1, pTss->esp1, pTss->ss2, pTss->esp2, + pTss->selPrev, pTss->selLdt, pTss->cr3, pTss->fDebugTrap, pTss->offIoBitmap); + if (pTss->cs != 0) + pCmdHlp->pfnExec(pCmdHlp, "u %04x:%08x L 0", pTss->cs, pTss->eip); + offIoBitmap = pTss->offIoBitmap; + break; + } + + case kTss64: + { + PCX86TSS64 pTss = (PCX86TSS64)&abBuf[0]; + if (SelTss != UINT32_MAX) + DBGCCmdHlpPrintf(pCmdHlp, "%04x TSS64 at %Dv (min=%04x)\n", SelTss, &VarTssAddr, cbTssMin); + else + DBGCCmdHlpPrintf(pCmdHlp, "TSS64 at %Dv (min=%04x)\n", &VarTssAddr, cbTssMin); + DBGCCmdHlpPrintf(pCmdHlp, + "rsp0=%016RX64 rsp1=%016RX64 rsp2=%016RX64\n" + "ist1=%016RX64 ist2=%016RX64\n" + "ist3=%016RX64 ist4=%016RX64\n" + "ist5=%016RX64 ist6=%016RX64\n" + "ist7=%016RX64 iomap=%04x\n" + , + pTss->rsp0, pTss->rsp1, pTss->rsp2, + pTss->ist1, pTss->ist2, + pTss->ist3, pTss->ist4, + pTss->ist5, pTss->ist6, + pTss->ist7, pTss->offIoBitmap); + offIoBitmap = pTss->offIoBitmap; + break; + } + + default: + AssertFailedReturn(VERR_INTERNAL_ERROR); + } + + /* + * Dump the interrupt redirection bitmap. + */ + if (enmTssType != kTss16) + { + if ( offIoBitmap > cbTssMin + && offIoBitmap < cbTss) /** @todo check exactly what the edge cases are here. */ + { + if (offIoBitmap - cbTssMin >= 32) + { + DBGCCmdHlpPrintf(pCmdHlp, "Interrupt redirection:\n"); + uint8_t const *pbIntRedirBitmap = &abBuf[offIoBitmap - 32]; + uint32_t iStart = 0; + bool fPrev = ASMBitTest(pbIntRedirBitmap, 0); /* LE/BE issue */ + for (uint32_t i = 0; i < 256; i++) + { + bool fThis = ASMBitTest(pbIntRedirBitmap, i); + if (fThis != fPrev) + { + DBGCCmdHlpPrintf(pCmdHlp, "%02x-%02x %s\n", iStart, i - 1, fPrev ? "Protected mode" : "Redirected"); + fPrev = fThis; + iStart = i; + } + } + DBGCCmdHlpPrintf(pCmdHlp, "%02x-%02x %s\n", iStart, 255, fPrev ? "Protected mode" : "Redirected"); + } + else + DBGCCmdHlpPrintf(pCmdHlp, "Invalid interrupt redirection bitmap size: %u (%#x), expected 32 bytes.\n", + offIoBitmap - cbTssMin, offIoBitmap - cbTssMin); + } + else if (offIoBitmap > 0) + DBGCCmdHlpPrintf(pCmdHlp, "No interrupt redirection bitmap (-%#x)\n", cbTssMin - offIoBitmap); + else + DBGCCmdHlpPrintf(pCmdHlp, "No interrupt redirection bitmap\n"); + } + + /* + * Dump the I/O permission bitmap if present. The IOPM cannot start below offset 0x68 + * (that applies to both 32-bit and 64-bit TSSs since their size is the same). + * Note that there is always one padding byte that is not technically part of the bitmap + * and "must have all bits set". It's not clear what happens when it doesn't. All ports + * not covered by the bitmap are considered to be not accessible. + */ + if (enmTssType != kTss16) + { + if (offIoBitmap < cbTss && offIoBitmap >= 0x68) + { + uint32_t cPorts = RT_MIN((cbTss - offIoBitmap) * 8, _64K); + DBGCVAR VarAddr; + DBGCCmdHlpEval(pCmdHlp, &VarAddr, "%DV + %#x", &VarTssAddr, offIoBitmap); + DBGCCmdHlpPrintf(pCmdHlp, "I/O bitmap at %DV - %#x ports:\n", &VarAddr, cPorts); + + uint8_t const *pbIoBitmap = &abBuf[offIoBitmap]; + uint32_t iStart = 0; + bool fPrev = ASMBitTest(pbIoBitmap, 0); + uint32_t cLine = 0; + for (uint32_t i = 1; i < _64K; i++) + { + bool fThis = i < cPorts ? ASMBitTest(pbIoBitmap, i) : true; + if (fThis != fPrev) + { + cLine++; + DBGCCmdHlpPrintf(pCmdHlp, "%04x-%04x %s%s", iStart, i-1, + fPrev ? "GP" : "OK", (cLine % 6) == 0 ? "\n" : " "); + fPrev = fThis; + iStart = i; + } + } + DBGCCmdHlpPrintf(pCmdHlp, "%04x-%04x %s\n", iStart, _64K-1, fPrev ? "GP" : "OK"); + } + else if (offIoBitmap > 0) + DBGCCmdHlpPrintf(pCmdHlp, "No I/O bitmap (-%#x)\n", cbTssMin - offIoBitmap); + else + DBGCCmdHlpPrintf(pCmdHlp, "No I/O bitmap\n"); + } + + return VINF_SUCCESS; +} + + +/** + * @callback_method_impl{FNDBGFR3TYPEDUMP, The 'dti' command dumper callback.} + */ +static DECLCALLBACK(int) dbgcCmdDumpTypeInfoCallback(uint32_t off, const char *pszField, uint32_t iLvl, + const char *pszType, uint32_t fTypeFlags, + uint32_t cElements, void *pvUser) +{ + PDBGCCMDHLP pCmdHlp = (PDBGCCMDHLP)pvUser; + + /* Pad with spaces to match the level. */ + for (uint32_t i = 0; i < iLvl; i++) + DBGCCmdHlpPrintf(pCmdHlp, " "); + + size_t cbWritten = 0; + DBGCCmdHlpPrintfEx(pCmdHlp, &cbWritten, "+0x%04x %s", off, pszField); + while (cbWritten < 32) + { + /* Fill with spaces to get proper aligning. */ + DBGCCmdHlpPrintf(pCmdHlp, " "); + cbWritten++; + } + + DBGCCmdHlpPrintf(pCmdHlp, ": "); + if (fTypeFlags & DBGFTYPEREGMEMBER_F_ARRAY) + DBGCCmdHlpPrintf(pCmdHlp, "[%u] ", cElements); + if (fTypeFlags & DBGFTYPEREGMEMBER_F_POINTER) + DBGCCmdHlpPrintf(pCmdHlp, "Ptr "); + DBGCCmdHlpPrintf(pCmdHlp, "%s\n", pszType); + + return VINF_SUCCESS; +} + + +/** + * @callback_method_impl{FNDBGCCMD, The 'dti' command.} + */ +static DECLCALLBACK(int) dbgcCmdDumpTypeInfo(PCDBGCCMD pCmd, PDBGCCMDHLP pCmdHlp, PUVM pUVM, PCDBGCVAR paArgs, unsigned cArgs) +{ + DBGC_CMDHLP_REQ_UVM_RET(pCmdHlp, pCmd, pUVM); + DBGC_CMDHLP_ASSERT_PARSER_RET(pCmdHlp, pCmd, 0, cArgs == 1 || cArgs == 2); + DBGC_CMDHLP_ASSERT_PARSER_RET(pCmdHlp, pCmd, 0, paArgs[0].enmType == DBGCVAR_TYPE_STRING); + if (cArgs == 2) + DBGC_CMDHLP_ASSERT_PARSER_RET(pCmdHlp, pCmd, 0, paArgs[1].enmType == DBGCVAR_TYPE_NUMBER); + + uint32_t cLvlMax = cArgs == 2 ? (uint32_t)paArgs[1].u.u64Number : UINT32_MAX; + return DBGFR3TypeDumpEx(pUVM, paArgs[0].u.pszString, 0 /* fFlags */, cLvlMax, + dbgcCmdDumpTypeInfoCallback, pCmdHlp); +} + + +static void dbgcCmdDumpTypedValCallbackBuiltin(PDBGCCMDHLP pCmdHlp, DBGFTYPEBUILTIN enmType, size_t cbType, + PDBGFTYPEVALBUF pValBuf) +{ + switch (enmType) + { + case DBGFTYPEBUILTIN_UINT8: + DBGCCmdHlpPrintf(pCmdHlp, "%RU8", pValBuf->u8); + break; + case DBGFTYPEBUILTIN_INT8: + DBGCCmdHlpPrintf(pCmdHlp, "%RI8", pValBuf->i8); + break; + case DBGFTYPEBUILTIN_UINT16: + DBGCCmdHlpPrintf(pCmdHlp, "%RU16", pValBuf->u16); + break; + case DBGFTYPEBUILTIN_INT16: + DBGCCmdHlpPrintf(pCmdHlp, "%RI16", pValBuf->i16); + break; + case DBGFTYPEBUILTIN_UINT32: + DBGCCmdHlpPrintf(pCmdHlp, "%RU32", pValBuf->u32); + break; + case DBGFTYPEBUILTIN_INT32: + DBGCCmdHlpPrintf(pCmdHlp, "%RI32", pValBuf->i32); + break; + case DBGFTYPEBUILTIN_UINT64: + DBGCCmdHlpPrintf(pCmdHlp, "%RU64", pValBuf->u64); + break; + case DBGFTYPEBUILTIN_INT64: + DBGCCmdHlpPrintf(pCmdHlp, "%RI64", pValBuf->i64); + break; + case DBGFTYPEBUILTIN_PTR32: + DBGCCmdHlpPrintf(pCmdHlp, "%RX32", pValBuf->GCPtr); + break; + case DBGFTYPEBUILTIN_PTR64: + DBGCCmdHlpPrintf(pCmdHlp, "%RX64", pValBuf->GCPtr); + break; + case DBGFTYPEBUILTIN_PTR: + if (cbType == sizeof(uint32_t)) + DBGCCmdHlpPrintf(pCmdHlp, "%RX32", pValBuf->GCPtr); + else if (cbType == sizeof(uint64_t)) + DBGCCmdHlpPrintf(pCmdHlp, "%RX64", pValBuf->GCPtr); + else + DBGCCmdHlpPrintf(pCmdHlp, "<Unsupported pointer width %u>", cbType); + break; + case DBGFTYPEBUILTIN_SIZE: + if (cbType == sizeof(uint32_t)) + DBGCCmdHlpPrintf(pCmdHlp, "%RU32", pValBuf->size); + else if (cbType == sizeof(uint64_t)) + DBGCCmdHlpPrintf(pCmdHlp, "%RU64", pValBuf->size); + else + DBGCCmdHlpPrintf(pCmdHlp, "<Unsupported size width %u>", cbType); + break; + case DBGFTYPEBUILTIN_FLOAT32: + case DBGFTYPEBUILTIN_FLOAT64: + case DBGFTYPEBUILTIN_COMPOUND: + default: + AssertMsgFailed(("Invalid built-in type: %d\n", enmType)); + } +} + +/** + * @callback_method_impl{FNDBGFR3TYPEDUMP, The 'dtv' command dumper callback.} + */ +static DECLCALLBACK(int) dbgcCmdDumpTypedValCallback(uint32_t off, const char *pszField, uint32_t iLvl, + DBGFTYPEBUILTIN enmType, size_t cbType, + PDBGFTYPEVALBUF pValBuf, uint32_t cValBufs, + void *pvUser) +{ + PDBGCCMDHLP pCmdHlp = (PDBGCCMDHLP)pvUser; + + /* Pad with spaces to match the level. */ + for (uint32_t i = 0; i < iLvl; i++) + DBGCCmdHlpPrintf(pCmdHlp, " "); + + size_t cbWritten = 0; + DBGCCmdHlpPrintfEx(pCmdHlp, &cbWritten, "+0x%04x %s", off, pszField); + while (cbWritten < 32) + { + /* Fill with spaces to get proper aligning. */ + DBGCCmdHlpPrintf(pCmdHlp, " "); + cbWritten++; + } + + DBGCCmdHlpPrintf(pCmdHlp, ": "); + if (cValBufs > 1) + DBGCCmdHlpPrintf(pCmdHlp, "[%u] [ ", cValBufs); + + for (uint32_t i = 0; i < cValBufs; i++) + { + dbgcCmdDumpTypedValCallbackBuiltin(pCmdHlp, enmType, cbType, pValBuf); + if (i < cValBufs - 1) + DBGCCmdHlpPrintf(pCmdHlp, " , "); + pValBuf++; + } + + if (cValBufs > 1) + DBGCCmdHlpPrintf(pCmdHlp, " ]"); + DBGCCmdHlpPrintf(pCmdHlp, "\n"); + + return VINF_SUCCESS; +} + + +/** + * @callback_method_impl{FNDBGCCMD, The 'dtv' command.} + */ +static DECLCALLBACK(int) dbgcCmdDumpTypedVal(PCDBGCCMD pCmd, PDBGCCMDHLP pCmdHlp, PUVM pUVM, PCDBGCVAR paArgs, unsigned cArgs) +{ + DBGC_CMDHLP_REQ_UVM_RET(pCmdHlp, pCmd, pUVM); + DBGC_CMDHLP_ASSERT_PARSER_RET(pCmdHlp, pCmd, 0, cArgs == 2 || cArgs == 3); + DBGC_CMDHLP_ASSERT_PARSER_RET(pCmdHlp, pCmd, 0, paArgs[0].enmType == DBGCVAR_TYPE_STRING); + DBGC_CMDHLP_ASSERT_PARSER_RET(pCmdHlp, pCmd, 0, DBGCVAR_ISGCPOINTER(paArgs[1].enmType)); + if (cArgs == 3) + DBGC_CMDHLP_ASSERT_PARSER_RET(pCmdHlp, pCmd, 0, paArgs[2].enmType == DBGCVAR_TYPE_NUMBER); + + /* + * Make DBGF address and fix the range. + */ + DBGFADDRESS Address; + int rc = pCmdHlp->pfnVarToDbgfAddr(pCmdHlp, &paArgs[1], &Address); + if (RT_FAILURE(rc)) + return pCmdHlp->pfnVBoxError(pCmdHlp, rc, "VarToDbgfAddr(,%Dv,)\n", &paArgs[1]); + + uint32_t cLvlMax = cArgs == 3 ? (uint32_t)paArgs[2].u.u64Number : UINT32_MAX; + return DBGFR3TypeValDumpEx(pUVM, &Address, paArgs[0].u.pszString, 0 /* fFlags */, cLvlMax, + dbgcCmdDumpTypedValCallback, pCmdHlp); +} + +/** + * @callback_method_impl{FNDBGCCMD, The 'm' command.} + */ +static DECLCALLBACK(int) dbgcCmdMemoryInfo(PCDBGCCMD pCmd, PDBGCCMDHLP pCmdHlp, PUVM pUVM, PCDBGCVAR paArgs, unsigned cArgs) +{ + DBGCCmdHlpPrintf(pCmdHlp, "Address: %DV\n", &paArgs[0]); + DBGC_CMDHLP_REQ_UVM_RET(pCmdHlp, pCmd, pUVM); + return dbgcCmdDumpPageHierarchy(pCmd, pCmdHlp, pUVM, paArgs, cArgs); +} + + +/** + * Converts one or more variables into a byte buffer for a + * given unit size. + * + * @returns VBox status codes: + * @retval VERR_TOO_MUCH_DATA if the buffer is too small, bitched. + * @retval VERR_INTERNAL_ERROR on bad variable type, bitched. + * @retval VINF_SUCCESS on success. + * + * @param pCmdHlp The command helper callback table. + * @param pvBuf The buffer to convert into. + * @param pcbBuf The buffer size on input. The size of the result on output. + * @param cbUnit The unit size to apply when converting. + * The high bit is used to indicate unicode string. + * @param paVars The array of variables to convert. + * @param cVars The number of variables. + */ +int dbgcVarsToBytes(PDBGCCMDHLP pCmdHlp, void *pvBuf, uint32_t *pcbBuf, size_t cbUnit, PCDBGCVAR paVars, unsigned cVars) +{ + union + { + uint8_t *pu8; + uint16_t *pu16; + uint32_t *pu32; + uint64_t *pu64; + } u, uEnd; + u.pu8 = (uint8_t *)pvBuf; + uEnd.pu8 = u.pu8 + *pcbBuf; + + unsigned i; + for (i = 0; i < cVars && u.pu8 < uEnd.pu8; i++) + { + switch (paVars[i].enmType) + { + case DBGCVAR_TYPE_GC_FAR: + case DBGCVAR_TYPE_GC_FLAT: + case DBGCVAR_TYPE_GC_PHYS: + case DBGCVAR_TYPE_HC_FLAT: + case DBGCVAR_TYPE_HC_PHYS: + case DBGCVAR_TYPE_NUMBER: + { + uint64_t u64 = paVars[i].u.u64Number; + switch (cbUnit & 0x1f) + { + case 1: + do + { + *u.pu8++ = u64; + u64 >>= 8; + } while (u64); + break; + case 2: + do + { + *u.pu16++ = u64; + u64 >>= 16; + } while (u64); + break; + case 4: + *u.pu32++ = u64; + u64 >>= 32; + if (u64) + *u.pu32++ = u64; + break; + case 8: + *u.pu64++ = u64; + break; + } + break; + } + + case DBGCVAR_TYPE_STRING: + case DBGCVAR_TYPE_SYMBOL: + { + const char *psz = paVars[i].u.pszString; + size_t cbString = strlen(psz); + if (cbUnit & RT_BIT_32(31)) + { + /* Explode char to unit. */ + if (cbString > (uintptr_t)(uEnd.pu8 - u.pu8) * (cbUnit & 0x1f)) + { + pCmdHlp->pfnVBoxError(pCmdHlp, VERR_TOO_MUCH_DATA, "Max %d bytes.\n", uEnd.pu8 - (uint8_t *)pvBuf); + return VERR_TOO_MUCH_DATA; + } + while (*psz) + { + switch (cbUnit & 0x1f) + { + case 1: *u.pu8++ = *psz; break; + case 2: *u.pu16++ = *psz; break; + case 4: *u.pu32++ = *psz; break; + case 8: *u.pu64++ = *psz; break; + } + psz++; + } + } + else + { + /* Raw copy with zero padding if the size isn't aligned. */ + if (cbString > (uintptr_t)(uEnd.pu8 - u.pu8)) + { + pCmdHlp->pfnVBoxError(pCmdHlp, VERR_TOO_MUCH_DATA, "Max %d bytes.\n", uEnd.pu8 - (uint8_t *)pvBuf); + return VERR_TOO_MUCH_DATA; + } + + size_t cbCopy = cbString & ~(cbUnit - 1); + memcpy(u.pu8, psz, cbCopy); + u.pu8 += cbCopy; + psz += cbCopy; + + size_t cbReminder = cbString & (cbUnit - 1); + if (cbReminder) + { + memcpy(u.pu8, psz, cbString & (cbUnit - 1)); + memset(u.pu8 + cbReminder, 0, cbUnit - cbReminder); + u.pu8 += cbUnit; + } + } + break; + } + + default: + *pcbBuf = u.pu8 - (uint8_t *)pvBuf; + pCmdHlp->pfnVBoxError(pCmdHlp, VERR_INTERNAL_ERROR, + "i=%d enmType=%d\n", i, paVars[i].enmType); + return VERR_INTERNAL_ERROR; + } + } + *pcbBuf = u.pu8 - (uint8_t *)pvBuf; + if (i != cVars) + { + pCmdHlp->pfnVBoxError(pCmdHlp, VERR_TOO_MUCH_DATA, "Max %d bytes.\n", uEnd.pu8 - (uint8_t *)pvBuf); + return VERR_TOO_MUCH_DATA; + } + return VINF_SUCCESS; +} + + +/** + * @callback_method_impl{FNDBGCCMD, The 'eb'\, 'ew'\, 'ed' and 'eq' commands.} + */ +static DECLCALLBACK(int) dbgcCmdEditMem(PCDBGCCMD pCmd, PDBGCCMDHLP pCmdHlp, PUVM pUVM, PCDBGCVAR paArgs, unsigned cArgs) +{ + /* + * Validate input. + */ + DBGC_CMDHLP_ASSERT_PARSER_RET(pCmdHlp, pCmd, 0, cArgs >= 2); + DBGC_CMDHLP_ASSERT_PARSER_RET(pCmdHlp, pCmd, 0, DBGCVAR_ISPOINTER(paArgs[0].enmType)); + for (unsigned iArg = 1; iArg < cArgs; iArg++) + DBGC_CMDHLP_ASSERT_PARSER_RET(pCmdHlp, pCmd, 0, paArgs[iArg].enmType == DBGCVAR_TYPE_NUMBER); + DBGC_CMDHLP_REQ_UVM_RET(pCmdHlp, pCmd, pUVM); + + /* + * Figure out the element size. + */ + unsigned cbElement; + switch (pCmd->pszCmd[1]) + { + default: + case 'b': cbElement = 1; break; + case 'w': cbElement = 2; break; + case 'd': cbElement = 4; break; + case 'q': cbElement = 8; break; + } + + /* + * Do setting. + */ + DBGCVAR Addr = paArgs[0]; + for (unsigned iArg = 1;;) + { + size_t cbWritten; + int rc = pCmdHlp->pfnMemWrite(pCmdHlp, &paArgs[iArg].u, cbElement, &Addr, &cbWritten); + if (RT_FAILURE(rc)) + return pCmdHlp->pfnVBoxError(pCmdHlp, rc, "Writing memory at %DV.\n", &Addr); + if (cbWritten != cbElement) + return DBGCCmdHlpFail(pCmdHlp, pCmd, "Only wrote %u out of %u bytes!\n", cbWritten, cbElement); + + /* advance. */ + iArg++; + if (iArg >= cArgs) + break; + rc = DBGCCmdHlpEval(pCmdHlp, &Addr, "%Dv + %#x", &Addr, cbElement); + if (RT_FAILURE(rc)) + return DBGCCmdHlpVBoxError(pCmdHlp, rc, "%%(%Dv)", &paArgs[0]); + } + + return VINF_SUCCESS; +} + + +/** + * Executes the search. + * + * @returns VBox status code. + * @param pCmdHlp The command helpers. + * @param pUVM The user mode VM handle. + * @param pAddress The address to start searching from. (undefined on output) + * @param cbRange The address range to search. Must not wrap. + * @param pabBytes The byte pattern to search for. + * @param cbBytes The size of the pattern. + * @param cbUnit The search unit. + * @param cMaxHits The max number of hits. + * @param pResult Where to store the result if it's a function invocation. + */ +static int dbgcCmdWorkerSearchMemDoIt(PDBGCCMDHLP pCmdHlp, PUVM pUVM, PDBGFADDRESS pAddress, RTGCUINTPTR cbRange, + const uint8_t *pabBytes, uint32_t cbBytes, + uint32_t cbUnit, uint64_t cMaxHits, PDBGCVAR pResult) +{ + PDBGC pDbgc = DBGC_CMDHLP2DBGC(pCmdHlp); + + /* + * Do the search. + */ + uint64_t cHits = 0; + for (;;) + { + /* search */ + DBGFADDRESS HitAddress; + int rc = DBGFR3MemScan(pUVM, pDbgc->idCpu, pAddress, cbRange, 1, pabBytes, cbBytes, &HitAddress); + if (RT_FAILURE(rc)) + { + if (rc != VERR_DBGF_MEM_NOT_FOUND) + return pCmdHlp->pfnVBoxError(pCmdHlp, rc, "DBGFR3MemScan\n"); + + /* update the current address so we can save it (later). */ + pAddress->off += cbRange; + pAddress->FlatPtr += cbRange; + cbRange = 0; + break; + } + + /* report result */ + DBGCVAR VarCur; + rc = DBGCCmdHlpVarFromDbgfAddr(pCmdHlp, &HitAddress, &VarCur); + if (RT_FAILURE(rc)) + return DBGCCmdHlpVBoxError(pCmdHlp, rc, "DBGCCmdHlpVarFromDbgfAddr\n"); + if (!pResult) + pCmdHlp->pfnExec(pCmdHlp, "db %DV LB 10", &VarCur); + else + DBGCVAR_ASSIGN(pResult, &VarCur); + + /* advance */ + cbRange -= HitAddress.FlatPtr - pAddress->FlatPtr; + *pAddress = HitAddress; + pAddress->FlatPtr += cbBytes; + pAddress->off += cbBytes; + if (cbRange <= cbBytes) + { + cbRange = 0; + break; + } + cbRange -= cbBytes; + + if (++cHits >= cMaxHits) + { + /// @todo save the search. + break; + } + } + + /* + * Save the search so we can resume it... + */ + if (pDbgc->abSearch != pabBytes) + { + memcpy(pDbgc->abSearch, pabBytes, cbBytes); + pDbgc->cbSearch = cbBytes; + pDbgc->cbSearchUnit = cbUnit; + } + pDbgc->cMaxSearchHits = cMaxHits; + pDbgc->SearchAddr = *pAddress; + pDbgc->cbSearchRange = cbRange; + + return cHits ? VINF_SUCCESS : VERR_DBGC_COMMAND_FAILED; +} + + +/** + * Resumes the previous search. + * + * @returns VBox status code. + * @param pCmdHlp Pointer to the command helper functions. + * @param pUVM The user mode VM handle. + * @param pResult Where to store the result of a function invocation. + */ +static int dbgcCmdWorkerSearchMemResume(PDBGCCMDHLP pCmdHlp, PUVM pUVM, PDBGCVAR pResult) +{ + PDBGC pDbgc = DBGC_CMDHLP2DBGC(pCmdHlp); + + /* + * Make sure there is a previous command. + */ + if (!pDbgc->cbSearch) + { + DBGCCmdHlpPrintf(pCmdHlp, "Error: No previous search\n"); + return VERR_DBGC_COMMAND_FAILED; + } + + /* + * Make range and address adjustments. + */ + DBGFADDRESS Address = pDbgc->SearchAddr; + if (Address.FlatPtr == ~(RTGCUINTPTR)0) + { + Address.FlatPtr -= Address.off; + Address.off = 0; + } + + RTGCUINTPTR cbRange = pDbgc->cbSearchRange; + if (!cbRange) + cbRange = ~(RTGCUINTPTR)0; + if (Address.FlatPtr + cbRange < pDbgc->SearchAddr.FlatPtr) + cbRange = ~(RTGCUINTPTR)0 - pDbgc->SearchAddr.FlatPtr + !!pDbgc->SearchAddr.FlatPtr; + + return dbgcCmdWorkerSearchMemDoIt(pCmdHlp, pUVM, &Address, cbRange, pDbgc->abSearch, pDbgc->cbSearch, + pDbgc->cbSearchUnit, pDbgc->cMaxSearchHits, pResult); +} + + +/** + * Search memory, worker for the 's' and 's?' functions. + * + * @returns VBox status code. + * @param pCmdHlp Pointer to the command helper functions. + * @param pUVM The user mode VM handle. + * @param pAddress Where to start searching. If no range, search till end of address space. + * @param cMaxHits The maximum number of hits. + * @param chType The search type. + * @param paPatArgs The pattern variable array. + * @param cPatArgs Number of pattern variables. + * @param pResult Where to store the result of a function invocation. + */ +static int dbgcCmdWorkerSearchMem(PDBGCCMDHLP pCmdHlp, PUVM pUVM, PCDBGCVAR pAddress, uint64_t cMaxHits, char chType, + PCDBGCVAR paPatArgs, unsigned cPatArgs, PDBGCVAR pResult) +{ + if (pResult) + DBGCVAR_INIT_GC_FLAT(pResult, 0); + + /* + * Convert the search pattern into bytes and DBGFR3MemScan can deal with. + */ + uint32_t cbUnit; + switch (chType) + { + case 'a': + case 'b': cbUnit = 1; break; + case 'u': cbUnit = 2 | RT_BIT_32(31); break; + case 'w': cbUnit = 2; break; + case 'd': cbUnit = 4; break; + case 'q': cbUnit = 8; break; + default: + return pCmdHlp->pfnVBoxError(pCmdHlp, VERR_INVALID_PARAMETER, "chType=%c\n", chType); + } + uint8_t abBytes[RT_SIZEOFMEMB(DBGC, abSearch)]; + uint32_t cbBytes = sizeof(abBytes); + int rc = dbgcVarsToBytes(pCmdHlp, abBytes, &cbBytes, cbUnit, paPatArgs, cPatArgs); + if (RT_FAILURE(rc)) + return VERR_DBGC_COMMAND_FAILED; + + /* + * Make DBGF address and fix the range. + */ + DBGFADDRESS Address; + rc = pCmdHlp->pfnVarToDbgfAddr(pCmdHlp, pAddress, &Address); + if (RT_FAILURE(rc)) + return pCmdHlp->pfnVBoxError(pCmdHlp, rc, "VarToDbgfAddr(,%Dv,)\n", pAddress); + + RTGCUINTPTR cbRange; + switch (pAddress->enmRangeType) + { + case DBGCVAR_RANGE_BYTES: + cbRange = pAddress->u64Range; + if (cbRange != pAddress->u64Range) + cbRange = ~(RTGCUINTPTR)0; + break; + + case DBGCVAR_RANGE_ELEMENTS: + cbRange = (RTGCUINTPTR)(pAddress->u64Range * cbUnit); + if ( cbRange != pAddress->u64Range * cbUnit + || cbRange < pAddress->u64Range) + cbRange = ~(RTGCUINTPTR)0; + break; + + default: + cbRange = ~(RTGCUINTPTR)0; + break; + } + if (Address.FlatPtr + cbRange < Address.FlatPtr) + cbRange = ~(RTGCUINTPTR)0 - Address.FlatPtr + !!Address.FlatPtr; + + /* + * Ok, do it. + */ + return dbgcCmdWorkerSearchMemDoIt(pCmdHlp, pUVM, &Address, cbRange, abBytes, cbBytes, cbUnit, cMaxHits, pResult); +} + + +/** + * @callback_method_impl{FNDBGCCMD, The 's' command.} + */ +static DECLCALLBACK(int) dbgcCmdSearchMem(PCDBGCCMD pCmd, PDBGCCMDHLP pCmdHlp, PUVM pUVM, PCDBGCVAR paArgs, unsigned cArgs) +{ + RT_NOREF2(pCmd, paArgs); + + /* check that the parser did what it's supposed to do. */ + //if ( cArgs <= 2 + // && paArgs[0].enmType != DBGCVAR_TYPE_STRING) + // return DBGCCmdHlpPrintf(pCmdHlp, "parser error\n"); + + /* + * Repeat previous search? + */ + if (cArgs == 0) + return dbgcCmdWorkerSearchMemResume(pCmdHlp, pUVM, NULL); + + /* + * Parse arguments. + */ + + return -1; +} + + +/** + * @callback_method_impl{FNDBGCCMD, The 's?' command.} + */ +static DECLCALLBACK(int) dbgcCmdSearchMemType(PCDBGCCMD pCmd, PDBGCCMDHLP pCmdHlp, PUVM pUVM, PCDBGCVAR paArgs, unsigned cArgs) +{ + /* check that the parser did what it's supposed to do. */ + DBGC_CMDHLP_ASSERT_PARSER_RET(pCmdHlp, pCmd, 0, cArgs >= 2 && DBGCVAR_ISGCPOINTER(paArgs[0].enmType)); + return dbgcCmdWorkerSearchMem(pCmdHlp, pUVM, &paArgs[0], 25, pCmd->pszCmd[1], paArgs + 1, cArgs - 1, NULL); +} + + +/** + * Matching function for interrupts event names. + * + * This parses the interrupt number and length. + * + * @returns True if match, false if not. + * @param pPattern The user specified pattern to match. + * @param pszEvtName The event name. + * @param pCmdHlp Command helpers for warning about malformed stuff. + * @param piFirst Where to return start interrupt number on success. + * @param pcInts Where to return the number of interrupts on success. + */ +static bool dbgcEventIsMatchingInt(PCDBGCVAR pPattern, const char *pszEvtName, PDBGCCMDHLP pCmdHlp, + uint8_t *piFirst, uint16_t *pcInts) +{ + /* + * Ignore trailing hex digits when comparing with the event base name. + */ + const char *pszPattern = pPattern->u.pszString; + const char *pszEnd = RTStrEnd(pszPattern, RTSTR_MAX); + while ( (uintptr_t)pszEnd > (uintptr_t)pszPattern + && RT_C_IS_XDIGIT(pszEnd[-1])) + pszEnd -= 1; + if (RTStrSimplePatternNMatch(pszPattern, pszEnd - pszPattern, pszEvtName, RTSTR_MAX)) + { + /* + * Parse the index and length. + */ + if (!*pszEnd) + *piFirst = 0; + else + { + int rc = RTStrToUInt8Full(pszEnd, 16, piFirst); + if (rc != VINF_SUCCESS) + { + if (RT_FAILURE(rc)) + *piFirst = 0; + DBGCCmdHlpPrintf(pCmdHlp, "Warning: %Rrc parsing '%s' - interpreting it as %#x\n", rc, pszEnd, *piFirst); + } + } + + if (pPattern->enmRangeType == DBGCVAR_RANGE_NONE) + *pcInts = 1; + else + *pcInts = RT_MAX(RT_MIN((uint16_t)pPattern->u64Range, 256 - *piFirst), 1); + return true; + } + return false; +} + + +/** + * Updates a DBGC event config. + * + * @returns VINF_SUCCESS or VERR_NO_MEMORY. + * @param ppEvtCfg The event configuration entry to update. + * @param pszCmd The new command. Leave command alone if NULL. + * @param enmEvtState The new event state. + * @param fChangeCmdOnly Whether to only update the command. + */ +static int dbgcEventUpdate(PDBGCEVTCFG *ppEvtCfg, const char *pszCmd, DBGCEVTSTATE enmEvtState, bool fChangeCmdOnly) +{ + PDBGCEVTCFG pEvtCfg = *ppEvtCfg; + + /* + * If we've got a command string, update the command too. + */ + if (pszCmd) + { + size_t cchCmd = strlen(pszCmd); + if ( !cchCmd + && ( !fChangeCmdOnly + ? enmEvtState == kDbgcEvtState_Disabled + : !pEvtCfg || pEvtCfg->enmState == kDbgcEvtState_Disabled)) + { + /* NULL entry is fine if no command and disabled. */ + RTMemFree(pEvtCfg); + *ppEvtCfg = NULL; + } + else + { + if (!pEvtCfg || pEvtCfg->cchCmd < cchCmd) + { + RTMemFree(pEvtCfg); + *ppEvtCfg = pEvtCfg = (PDBGCEVTCFG)RTMemAlloc(RT_UOFFSETOF_DYN(DBGCEVTCFG, szCmd[cchCmd + 1])); + if (!pEvtCfg) + return VERR_NO_MEMORY; + } + pEvtCfg->enmState = enmEvtState; + pEvtCfg->cchCmd = cchCmd; + memcpy(pEvtCfg->szCmd, pszCmd, cchCmd + 1); + } + } + /* + * Update existing or enable new. If NULL and not enabled, we can keep it that way. + */ + else if (pEvtCfg || enmEvtState != kDbgcEvtState_Disabled) + { + if (!pEvtCfg) + { + *ppEvtCfg = pEvtCfg = (PDBGCEVTCFG)RTMemAlloc(sizeof(DBGCEVTCFG)); + if (!pEvtCfg) + return VERR_NO_MEMORY; + pEvtCfg->cchCmd = 0; + pEvtCfg->szCmd[0] = '\0'; + } + pEvtCfg->enmState = enmEvtState; + } + + return VINF_SUCCESS; +} + + +/** + * Record one settings change for a plain event. + * + * @returns The new @a cIntCfgs value. + * @param paEventCfgs The event setttings array. Must have DBGFEVENT_END + * entries. + * @param cEventCfgs The current number of entries in @a paEventCfgs. + * @param enmType The event to change the settings for. + * @param enmEvtState The new event state. + * @param iSxEvt Index into the g_aDbgcSxEvents array. + * + * @remarks We use abUnused[0] for the enmEvtState, while abUnused[1] and + * abUnused[2] are used for iSxEvt. + */ +static uint32_t dbgcEventAddPlainConfig(PDBGFEVENTCONFIG paEventCfgs, uint32_t cEventCfgs, DBGFEVENTTYPE enmType, + DBGCEVTSTATE enmEvtState, uint16_t iSxEvt) +{ + uint32_t iCfg; + for (iCfg = 0; iCfg < cEventCfgs; iCfg++) + if (paEventCfgs[iCfg].enmType == enmType) + break; + if (iCfg == cEventCfgs) + { + Assert(cEventCfgs < DBGFEVENT_END); + paEventCfgs[iCfg].enmType = enmType; + cEventCfgs++; + } + paEventCfgs[iCfg].fEnabled = enmEvtState > kDbgcEvtState_Disabled; + paEventCfgs[iCfg].abUnused[0] = enmEvtState; + paEventCfgs[iCfg].abUnused[1] = (uint8_t)iSxEvt; + paEventCfgs[iCfg].abUnused[2] = (uint8_t)(iSxEvt >> 8); + return cEventCfgs; +} + + +/** + * Record one or more interrupt event config changes. + * + * @returns The new @a cIntCfgs value. + * @param paIntCfgs Interrupt confiruation array. Must have 256 entries. + * @param cIntCfgs The current number of entries in @a paIntCfgs. + * @param iInt The interrupt number to start with. + * @param cInts The number of interrupts to change. + * @param pszName The settings name (hwint/swint). + * @param enmEvtState The new event state. + * @param bIntOp The new DBGF interrupt state. + */ +static uint32_t dbgcEventAddIntConfig(PDBGFINTERRUPTCONFIG paIntCfgs, uint32_t cIntCfgs, uint8_t iInt, uint16_t cInts, + const char *pszName, DBGCEVTSTATE enmEvtState, uint8_t bIntOp) +{ + bool const fHwInt = *pszName == 'h'; + + bIntOp |= (uint8_t)enmEvtState << 4; + uint8_t const bSoftState = !fHwInt ? bIntOp : DBGFINTERRUPTSTATE_DONT_TOUCH; + uint8_t const bHardState = fHwInt ? bIntOp : DBGFINTERRUPTSTATE_DONT_TOUCH; + + while (cInts > 0) + { + uint32_t iCfg; + for (iCfg = 0; iCfg < cIntCfgs; iCfg++) + if (paIntCfgs[iCfg].iInterrupt == iInt) + break; + if (iCfg == cIntCfgs) + break; + if (fHwInt) + paIntCfgs[iCfg].enmHardState = bHardState; + else + paIntCfgs[iCfg].enmSoftState = bSoftState; + iInt++; + cInts--; + } + + while (cInts > 0) + { + Assert(cIntCfgs < 256); + paIntCfgs[cIntCfgs].iInterrupt = iInt; + paIntCfgs[cIntCfgs].enmHardState = bHardState; + paIntCfgs[cIntCfgs].enmSoftState = bSoftState; + cIntCfgs++; + iInt++; + cInts--; + } + + return cIntCfgs; +} + + +/** + * Applies event settings changes to DBGC and DBGF. + * + * @returns VBox status code (fully bitched) + * @param pCmdHlp The command helpers. + * @param pUVM The user mode VM handle. + * @param paIntCfgs Interrupt configuration array. We use the upper 4 + * bits of the settings for the DBGCEVTSTATE. This + * will be cleared. + * @param cIntCfgs Number of interrupt configuration changes. + * @param paEventCfgs The generic event configuration array. We use the + * abUnused[0] member for the DBGCEVTSTATE, and + * abUnused[2:1] for the g_aDbgcSxEvents index. + * @param cEventCfgs The number of generic event settings changes. + * @param pszCmd The commands to associate with the changed events. + * If this is NULL, don't touch the command. + * @param fChangeCmdOnly Whether to only change the commands (sx-). + */ +static int dbgcEventApplyChanges(PDBGCCMDHLP pCmdHlp, PUVM pUVM, PDBGFINTERRUPTCONFIG paIntCfgs, uint32_t cIntCfgs, + PCDBGFEVENTCONFIG paEventCfgs, uint32_t cEventCfgs, const char *pszCmd, bool fChangeCmdOnly) +{ + int rc; + + /* + * Apply changes to DBGC. This can only fail with out of memory error. + */ + PDBGC pDbgc = DBGC_CMDHLP2DBGC(pCmdHlp); + if (cIntCfgs) + for (uint32_t iCfg = 0; iCfg < cIntCfgs; iCfg++) + { + DBGCEVTSTATE enmEvtState = (DBGCEVTSTATE)(paIntCfgs[iCfg].enmHardState >> 4); + paIntCfgs[iCfg].enmHardState &= 0xf; + if (paIntCfgs[iCfg].enmHardState != DBGFINTERRUPTSTATE_DONT_TOUCH) + { + rc = dbgcEventUpdate(&pDbgc->apHardInts[paIntCfgs[iCfg].iInterrupt], pszCmd, enmEvtState, fChangeCmdOnly); + if (RT_FAILURE(rc)) + return rc; + } + + enmEvtState = (DBGCEVTSTATE)(paIntCfgs[iCfg].enmSoftState >> 4); + paIntCfgs[iCfg].enmSoftState &= 0xf; + if (paIntCfgs[iCfg].enmSoftState != DBGFINTERRUPTSTATE_DONT_TOUCH) + { + rc = dbgcEventUpdate(&pDbgc->apSoftInts[paIntCfgs[iCfg].iInterrupt], pszCmd, enmEvtState, fChangeCmdOnly); + if (RT_FAILURE(rc)) + return rc; + } + } + + if (cEventCfgs) + { + for (uint32_t iCfg = 0; iCfg < cEventCfgs; iCfg++) + { + Assert((unsigned)paEventCfgs[iCfg].enmType < RT_ELEMENTS(pDbgc->apEventCfgs)); + uint16_t iSxEvt = RT_MAKE_U16(paEventCfgs[iCfg].abUnused[1], paEventCfgs[iCfg].abUnused[2]); + Assert(iSxEvt < RT_ELEMENTS(g_aDbgcSxEvents)); + rc = dbgcEventUpdate(&pDbgc->apEventCfgs[iSxEvt], pszCmd, (DBGCEVTSTATE)paEventCfgs[iCfg].abUnused[0], fChangeCmdOnly); + if (RT_FAILURE(rc)) + return rc; + } + } + + /* + * Apply changes to DBGF. + */ + if (!fChangeCmdOnly) + { + if (cIntCfgs) + { + rc = DBGFR3InterruptConfigEx(pUVM, paIntCfgs, cIntCfgs); + if (RT_FAILURE(rc)) + return DBGCCmdHlpVBoxError(pCmdHlp, rc, "DBGFR3InterruptConfigEx: %Rrc\n", rc); + } + if (cEventCfgs) + { + rc = DBGFR3EventConfigEx(pUVM, paEventCfgs, cEventCfgs); + if (RT_FAILURE(rc)) + return DBGCCmdHlpVBoxError(pCmdHlp, rc, "DBGFR3EventConfigEx: %Rrc\n", rc); + } + } + + return VINF_SUCCESS; +} + + +/** + * @callback_method_impl{FNDBGCCMD, The 'sx[eni-]' commands.} + */ +static DECLCALLBACK(int) dbgcCmdEventCtrl(PCDBGCCMD pCmd, PDBGCCMDHLP pCmdHlp, PUVM pUVM, PCDBGCVAR paArgs, unsigned cArgs) +{ + /* + * Figure out which command this is. + */ + uint8_t bIntOp; + DBGCEVTSTATE enmEvtState; + bool fChangeCmdOnly; + switch (pCmd->pszCmd[2]) + { + case 'e': bIntOp = DBGFINTERRUPTSTATE_ENABLED; enmEvtState = kDbgcEvtState_Enabled; fChangeCmdOnly = false; break; + case 'n': bIntOp = DBGFINTERRUPTSTATE_ENABLED; enmEvtState = kDbgcEvtState_Notify; fChangeCmdOnly = false; break; + case '-': bIntOp = DBGFINTERRUPTSTATE_ENABLED; enmEvtState = kDbgcEvtState_Invalid; fChangeCmdOnly = true; break; + case 'i': bIntOp = DBGFINTERRUPTSTATE_DISABLED; enmEvtState = kDbgcEvtState_Disabled; fChangeCmdOnly = false; break; + default: + return DBGCCmdHlpVBoxError(pCmdHlp, VERR_INVALID_PARAMETER, "pszCmd=%s\n", pCmd->pszCmd); + } + + /* + * Command option. + */ + unsigned iArg = 0; + const char *pszCmd = NULL; + if ( cArgs >= iArg + 2 + && paArgs[iArg].enmType == DBGCVAR_TYPE_STRING + && paArgs[iArg + 1].enmType == DBGCVAR_TYPE_STRING + && strcmp(paArgs[iArg].u.pszString, "-c") == 0) + { + pszCmd = paArgs[iArg + 1].u.pszString; + iArg += 2; + } + if (fChangeCmdOnly && !pszCmd) + return DBGCCmdHlpVBoxError(pCmdHlp, VERR_INVALID_PARAMETER, "The 'sx-' requires the '-c cmd' arguments.\n"); + + /* + * The remaining arguments are event specifiers to which the operation should be applied. + */ + uint32_t cIntCfgs = 0; + DBGFINTERRUPTCONFIG aIntCfgs[256]; + uint32_t cEventCfgs = 0; + DBGFEVENTCONFIG aEventCfgs[DBGFEVENT_END]; + + for (; iArg < cArgs; iArg++) + { + DBGC_CMDHLP_ASSERT_PARSER_RET(pCmdHlp, pCmd, iArg, paArgs[iArg].enmType == DBGCVAR_TYPE_STRING + || paArgs[iArg].enmType == DBGCVAR_TYPE_SYMBOL); + uint32_t cHits = 0; + for (uint32_t iEvt = 0; iEvt < RT_ELEMENTS(g_aDbgcSxEvents); iEvt++) + if (g_aDbgcSxEvents[iEvt].enmKind == kDbgcSxEventKind_Plain) + { + if ( RTStrSimplePatternMatch(paArgs[iArg].u.pszString, g_aDbgcSxEvents[iEvt].pszName) + || ( g_aDbgcSxEvents[iEvt].pszAltNm + && RTStrSimplePatternMatch(paArgs[iArg].u.pszString, g_aDbgcSxEvents[iEvt].pszAltNm)) ) + { + cEventCfgs = dbgcEventAddPlainConfig(aEventCfgs, cEventCfgs, g_aDbgcSxEvents[iEvt].enmType, + enmEvtState, iEvt); + cHits++; + } + } + else + { + Assert(g_aDbgcSxEvents[iEvt].enmKind == kDbgcSxEventKind_Interrupt); + uint8_t iInt; + uint16_t cInts; + if (dbgcEventIsMatchingInt(&paArgs[iArg], g_aDbgcSxEvents[iEvt].pszName, pCmdHlp, &iInt, &cInts)) + { + cIntCfgs = dbgcEventAddIntConfig(aIntCfgs, cIntCfgs, iInt, cInts, g_aDbgcSxEvents[iEvt].pszName, + enmEvtState, bIntOp); + cHits++; + } + } + if (!cHits) + return DBGCCmdHlpVBoxError(pCmdHlp, VERR_INVALID_PARAMETER, "Unknown event: '%s'\n", paArgs[iArg].u.pszString); + } + + /* + * Apply the changes. + */ + return dbgcEventApplyChanges(pCmdHlp, pUVM, aIntCfgs, cIntCfgs, aEventCfgs, cEventCfgs, pszCmd, fChangeCmdOnly); +} + + +/** + * @callback_method_impl{FNDBGCCMD, The 'sxr' commands.} + */ +static DECLCALLBACK(int) dbgcCmdEventCtrlReset(PCDBGCCMD pCmd, PDBGCCMDHLP pCmdHlp, PUVM pUVM, PCDBGCVAR paArgs, unsigned cArgs) +{ + RT_NOREF1(pCmd); + uint32_t cEventCfgs = 0; + DBGFEVENTCONFIG aEventCfgs[DBGFEVENT_END]; + uint32_t cIntCfgs = 0; + DBGFINTERRUPTCONFIG aIntCfgs[256]; + + if (cArgs == 0) + { + /* + * All events. + */ + for (uint32_t iInt = 0; iInt < 256; iInt++) + { + aIntCfgs[iInt].iInterrupt = iInt; + aIntCfgs[iInt].enmHardState = DBGFINTERRUPTSTATE_DONT_TOUCH; + aIntCfgs[iInt].enmSoftState = DBGFINTERRUPTSTATE_DONT_TOUCH; + } + cIntCfgs = 256; + + for (uint32_t iEvt = 0; iEvt < RT_ELEMENTS(g_aDbgcSxEvents); iEvt++) + if (g_aDbgcSxEvents[iEvt].enmKind == kDbgcSxEventKind_Plain) + { + aEventCfgs[cEventCfgs].enmType = g_aDbgcSxEvents[iEvt].enmType; + aEventCfgs[cEventCfgs].fEnabled = g_aDbgcSxEvents[iEvt].enmDefault > kDbgcEvtState_Disabled; + aEventCfgs[cEventCfgs].abUnused[0] = g_aDbgcSxEvents[iEvt].enmDefault; + aEventCfgs[cEventCfgs].abUnused[1] = (uint8_t)iEvt; + aEventCfgs[cEventCfgs].abUnused[2] = (uint8_t)(iEvt >> 8); + cEventCfgs++; + } + else + { + uint8_t const bState = ( g_aDbgcSxEvents[iEvt].enmDefault > kDbgcEvtState_Disabled + ? DBGFINTERRUPTSTATE_ENABLED : DBGFINTERRUPTSTATE_DISABLED) + | ((uint8_t)g_aDbgcSxEvents[iEvt].enmDefault << 4); + if (strcmp(g_aDbgcSxEvents[iEvt].pszName, "hwint") == 0) + for (uint32_t iInt = 0; iInt < 256; iInt++) + aIntCfgs[iInt].enmHardState = bState; + else + for (uint32_t iInt = 0; iInt < 256; iInt++) + aIntCfgs[iInt].enmSoftState = bState; + } + } + else + { + /* + * Selected events. + */ + for (uint32_t iArg = 0; iArg < cArgs; iArg++) + { + unsigned cHits = 0; + for (uint32_t iEvt = 0; iEvt < RT_ELEMENTS(g_aDbgcSxEvents); iEvt++) + if (g_aDbgcSxEvents[iEvt].enmKind == kDbgcSxEventKind_Plain) + { + if ( RTStrSimplePatternMatch(paArgs[iArg].u.pszString, g_aDbgcSxEvents[iEvt].pszName) + || ( g_aDbgcSxEvents[iEvt].pszAltNm + && RTStrSimplePatternMatch(paArgs[iArg].u.pszString, g_aDbgcSxEvents[iEvt].pszAltNm)) ) + { + cEventCfgs = dbgcEventAddPlainConfig(aEventCfgs, cEventCfgs, g_aDbgcSxEvents[iEvt].enmType, + g_aDbgcSxEvents[iEvt].enmDefault, iEvt); + cHits++; + } + } + else + { + Assert(g_aDbgcSxEvents[iEvt].enmKind == kDbgcSxEventKind_Interrupt); + uint8_t iInt; + uint16_t cInts; + if (dbgcEventIsMatchingInt(&paArgs[iArg], g_aDbgcSxEvents[iEvt].pszName, pCmdHlp, &iInt, &cInts)) + { + cIntCfgs = dbgcEventAddIntConfig(aIntCfgs, cIntCfgs, iInt, cInts, g_aDbgcSxEvents[iEvt].pszName, + g_aDbgcSxEvents[iEvt].enmDefault, + g_aDbgcSxEvents[iEvt].enmDefault > kDbgcEvtState_Disabled + ? DBGFINTERRUPTSTATE_ENABLED : DBGFINTERRUPTSTATE_DISABLED); + cHits++; + } + } + if (!cHits) + return DBGCCmdHlpVBoxError(pCmdHlp, VERR_INVALID_PARAMETER, "Unknown event: '%s'\n", paArgs[iArg].u.pszString); + } + } + + /* + * Apply the reset changes. + */ + return dbgcEventApplyChanges(pCmdHlp, pUVM, aIntCfgs, cIntCfgs, aEventCfgs, cEventCfgs, "", false); +} + + +/** + * Used during DBGC initialization to configure events with defaults. + * + * @returns VBox status code. + * @param pDbgc The DBGC instance. + */ +void dbgcEventInit(PDBGC pDbgc) +{ + if (pDbgc->pUVM) + dbgcCmdEventCtrlReset(NULL, &pDbgc->CmdHlp, pDbgc->pUVM, NULL, 0); +} + + +/** + * Used during DBGC termination to disable all events. + * + * @param pDbgc The DBGC instance. + */ +void dbgcEventTerm(PDBGC pDbgc) +{ +/** @todo need to do more than just reset later. */ + if (pDbgc->pUVM && VMR3GetStateU(pDbgc->pUVM) < VMSTATE_DESTROYING) + dbgcCmdEventCtrlReset(NULL, &pDbgc->CmdHlp, pDbgc->pUVM, NULL, 0); +} + + +static void dbgcEventDisplay(PDBGCCMDHLP pCmdHlp, const char *pszName, DBGCEVTSTATE enmDefault, PDBGCEVTCFG const *ppEvtCfg) +{ + RT_NOREF1(enmDefault); + PDBGCEVTCFG pEvtCfg = *ppEvtCfg; + + const char *pszState; + switch (pEvtCfg ? pEvtCfg->enmState : kDbgcEvtState_Disabled) + { + case kDbgcEvtState_Disabled: pszState = "ignore"; break; + case kDbgcEvtState_Enabled: pszState = "enabled"; break; + case kDbgcEvtState_Notify: pszState = "notify"; break; + default: + AssertFailed(); + pszState = "invalid"; + break; + } + + if (pEvtCfg && pEvtCfg->cchCmd > 0) + DBGCCmdHlpPrintf(pCmdHlp, "%-22s %-7s \"%s\"\n", pszName, pszState, pEvtCfg->szCmd); + else + DBGCCmdHlpPrintf(pCmdHlp, "%-22s %s\n", pszName, pszState); +} + + +static void dbgcEventDisplayRange(PDBGCCMDHLP pCmdHlp, const char *pszBaseNm, DBGCEVTSTATE enmDefault, + PDBGCEVTCFG const *papEvtCfgs, unsigned iCfg, unsigned cCfgs) +{ + do + { + PCDBGCEVTCFG pFirstCfg = papEvtCfgs[iCfg]; + if (pFirstCfg && pFirstCfg->enmState == kDbgcEvtState_Disabled && pFirstCfg->cchCmd == 0) + pFirstCfg = NULL; + + unsigned const iFirstCfg = iCfg; + iCfg++; + while (iCfg < cCfgs) + { + PCDBGCEVTCFG pCurCfg = papEvtCfgs[iCfg]; + if (pCurCfg && pCurCfg->enmState == kDbgcEvtState_Disabled && pCurCfg->cchCmd == 0) + pCurCfg = NULL; + if (pCurCfg != pFirstCfg) + { + if (!pCurCfg || !pFirstCfg) + break; + if (pCurCfg->enmState != pFirstCfg->enmState) + break; + if (pCurCfg->cchCmd != pFirstCfg->cchCmd) + break; + if (memcmp(pCurCfg->szCmd, pFirstCfg->szCmd, pFirstCfg->cchCmd) != 0) + break; + } + iCfg++; + } + + char szName[16]; + unsigned cEntries = iCfg - iFirstCfg; + if (cEntries == 1) + RTStrPrintf(szName, sizeof(szName), "%s%02x", pszBaseNm, iFirstCfg); + else + RTStrPrintf(szName, sizeof(szName), "%s%02x L %#x", pszBaseNm, iFirstCfg, cEntries); + dbgcEventDisplay(pCmdHlp, szName, enmDefault, &papEvtCfgs[iFirstCfg]); + + cCfgs -= cEntries; + } while (cCfgs > 0); +} + + +/** + * @callback_method_impl{FNDBGCCMD, The 'sx' commands.} + */ +static DECLCALLBACK(int) dbgcCmdEventCtrlList(PCDBGCCMD pCmd, PDBGCCMDHLP pCmdHlp, PUVM pUVM, PCDBGCVAR paArgs, unsigned cArgs) +{ + RT_NOREF2(pCmd, pUVM); + PDBGC pDbgc = DBGC_CMDHLP2DBGC(pCmdHlp); + + if (cArgs == 0) + { + /* + * All events. + */ + for (uint32_t iEvt = 0; iEvt < RT_ELEMENTS(g_aDbgcSxEvents); iEvt++) + if (g_aDbgcSxEvents[iEvt].enmKind == kDbgcSxEventKind_Plain) + dbgcEventDisplay(pCmdHlp, g_aDbgcSxEvents[iEvt].pszName, g_aDbgcSxEvents[iEvt].enmDefault, + &pDbgc->apEventCfgs[iEvt]); + else if (strcmp(g_aDbgcSxEvents[iEvt].pszName, "hwint") == 0) + dbgcEventDisplayRange(pCmdHlp, g_aDbgcSxEvents[iEvt].pszName, g_aDbgcSxEvents[iEvt].enmDefault, + pDbgc->apHardInts, 0, 256); + else + dbgcEventDisplayRange(pCmdHlp, g_aDbgcSxEvents[iEvt].pszName, g_aDbgcSxEvents[iEvt].enmDefault, + pDbgc->apSoftInts, 0, 256); + } + else + { + /* + * Selected events. + */ + for (uint32_t iArg = 0; iArg < cArgs; iArg++) + { + unsigned cHits = 0; + for (uint32_t iEvt = 0; iEvt < RT_ELEMENTS(g_aDbgcSxEvents); iEvt++) + if (g_aDbgcSxEvents[iEvt].enmKind == kDbgcSxEventKind_Plain) + { + if ( RTStrSimplePatternMatch(paArgs[iArg].u.pszString, g_aDbgcSxEvents[iEvt].pszName) + || ( g_aDbgcSxEvents[iEvt].pszAltNm + && RTStrSimplePatternMatch(paArgs[iArg].u.pszString, g_aDbgcSxEvents[iEvt].pszAltNm)) ) + { + dbgcEventDisplay(pCmdHlp, g_aDbgcSxEvents[iEvt].pszName, g_aDbgcSxEvents[iEvt].enmDefault, + &pDbgc->apEventCfgs[iEvt]); + cHits++; + } + } + else + { + Assert(g_aDbgcSxEvents[iEvt].enmKind == kDbgcSxEventKind_Interrupt); + uint8_t iInt; + uint16_t cInts; + if (dbgcEventIsMatchingInt(&paArgs[iArg], g_aDbgcSxEvents[iEvt].pszName, pCmdHlp, &iInt, &cInts)) + { + if (strcmp(g_aDbgcSxEvents[iEvt].pszName, "hwint") == 0) + dbgcEventDisplayRange(pCmdHlp, g_aDbgcSxEvents[iEvt].pszName, g_aDbgcSxEvents[iEvt].enmDefault, + pDbgc->apHardInts, iInt, cInts); + else + dbgcEventDisplayRange(pCmdHlp, g_aDbgcSxEvents[iEvt].pszName, g_aDbgcSxEvents[iEvt].enmDefault, + pDbgc->apSoftInts, iInt, cInts); + cHits++; + } + } + if (cHits == 0) + return DBGCCmdHlpVBoxError(pCmdHlp, VERR_INVALID_PARAMETER, "Unknown event: '%s'\n", paArgs[iArg].u.pszString); + } + } + + return VINF_SUCCESS; +} + + + +/** + * List near symbol. + * + * @returns VBox status code. + * @param pCmdHlp Pointer to command helper functions. + * @param pUVM The user mode VM handle. + * @param pArg Pointer to the address or symbol to lookup. + */ +static int dbgcDoListNear(PDBGCCMDHLP pCmdHlp, PUVM pUVM, PCDBGCVAR pArg) +{ + PDBGC pDbgc = DBGC_CMDHLP2DBGC(pCmdHlp); + + RTDBGSYMBOL Symbol; + int rc; + if (pArg->enmType == DBGCVAR_TYPE_SYMBOL) + { + /* + * Lookup the symbol address. + */ + rc = DBGFR3AsSymbolByName(pUVM, pDbgc->hDbgAs, pArg->u.pszString, &Symbol, NULL); + if (RT_FAILURE(rc)) + return pCmdHlp->pfnVBoxError(pCmdHlp, rc, "DBGFR3AsSymbolByName(,,%s,)\n", pArg->u.pszString); + + rc = DBGCCmdHlpPrintf(pCmdHlp, "%RTptr %s\n", Symbol.Value, Symbol.szName); + } + else + { + /* + * Convert it to a flat GC address and lookup that address. + */ + DBGCVAR AddrVar; + rc = DBGCCmdHlpEval(pCmdHlp, &AddrVar, "%%(%DV)", pArg); + if (RT_FAILURE(rc)) + return pCmdHlp->pfnVBoxError(pCmdHlp, rc, "%%(%DV)\n", pArg); + + RTINTPTR offDisp; + DBGFADDRESS Addr; + rc = DBGFR3AsSymbolByAddr(pUVM, pDbgc->hDbgAs, DBGFR3AddrFromFlat(pDbgc->pUVM, &Addr, AddrVar.u.GCFlat), + RTDBGSYMADDR_FLAGS_LESS_OR_EQUAL | RTDBGSYMADDR_FLAGS_SKIP_ABS_IN_DEFERRED, + &offDisp, &Symbol, NULL); + if (RT_FAILURE(rc)) + return pCmdHlp->pfnVBoxError(pCmdHlp, rc, "DBGFR3AsSymbolByAddr(,,%RGv,,)\n", AddrVar.u.GCFlat); + + if (!offDisp) + rc = DBGCCmdHlpPrintf(pCmdHlp, "%DV %s", &AddrVar, Symbol.szName); + else if (offDisp > 0) + rc = DBGCCmdHlpPrintf(pCmdHlp, "%DV %s + %RGv", &AddrVar, Symbol.szName, offDisp); + else + rc = DBGCCmdHlpPrintf(pCmdHlp, "%DV %s - %RGv", &AddrVar, Symbol.szName, -offDisp); + if (Symbol.cb > 0) + rc = DBGCCmdHlpPrintf(pCmdHlp, " (LB %RGv)\n", Symbol.cb); + else + rc = DBGCCmdHlpPrintf(pCmdHlp, "\n"); + } + + return rc; +} + + +/** + * @callback_method_impl{FNDBGCCMD, The 'ln' (listnear) command.} + */ +static DECLCALLBACK(int) dbgcCmdListNear(PCDBGCCMD pCmd, PDBGCCMDHLP pCmdHlp, PUVM pUVM, PCDBGCVAR paArgs, unsigned cArgs) +{ + PDBGC pDbgc = DBGC_CMDHLP2DBGC(pCmdHlp); + if (!cArgs) + { + /* + * Current cs:eip symbol. + */ + DBGCVAR AddrVar; + const char *pszFmtExpr = pDbgc->fRegCtxGuest ? "%%(cs:eip)" : "%%(.cs:.eip)"; + int rc = DBGCCmdHlpEval(pCmdHlp, &AddrVar, pszFmtExpr); + if (RT_FAILURE(rc)) + return pCmdHlp->pfnVBoxError(pCmdHlp, rc, "%s\n", pszFmtExpr + 1); + return dbgcDoListNear(pCmdHlp, pUVM, &AddrVar); + } + +/** @todo Fix the darn parser, it's resolving symbols specified as arguments before we get in here. */ + /* + * Iterate arguments. + */ + for (unsigned iArg = 0; iArg < cArgs; iArg++) + { + int rc = dbgcDoListNear(pCmdHlp, pUVM, &paArgs[iArg]); + if (RT_FAILURE(rc)) + return rc; + } + + NOREF(pCmd); + return VINF_SUCCESS; +} + + +/** + * Matches the module patters against a module name. + * + * @returns true if matching, otherwise false. + * @param pszName The module name. + * @param paArgs The module pattern argument list. + * @param cArgs Number of arguments. + */ +static bool dbgcCmdListModuleMatch(const char *pszName, PCDBGCVAR paArgs, unsigned cArgs) +{ + for (uint32_t i = 0; i < cArgs; i++) + if (RTStrSimplePatternMatch(paArgs[i].u.pszString, pszName)) + return true; + return false; +} + + +/** + * @callback_method_impl{FNDBGCCMD, The 'ln' (list near) command.} + */ +static DECLCALLBACK(int) dbgcCmdListModules(PCDBGCCMD pCmd, PDBGCCMDHLP pCmdHlp, PUVM pUVM, PCDBGCVAR paArgs, unsigned cArgs) +{ + bool const fMappings = pCmd->pszCmd[2] == 'o'; + bool const fVerbose = pCmd->pszCmd[strlen(pCmd->pszCmd) - 1] == 'v'; + PDBGC pDbgc = DBGC_CMDHLP2DBGC(pCmdHlp); + + /* + * Iterate the modules in the current address space and print info about + * those matching the input. + */ + RTDBGAS hAsCurAlias = pDbgc->hDbgAs; + for (uint32_t iAs = 0;; iAs++) + { + RTDBGAS hAs = DBGFR3AsResolveAndRetain(pUVM, hAsCurAlias); + uint32_t cMods = RTDbgAsModuleCount(hAs); + for (uint32_t iMod = 0; iMod < cMods; iMod++) + { + RTDBGMOD hMod = RTDbgAsModuleByIndex(hAs, iMod); + if (hMod != NIL_RTDBGMOD) + { + bool const fDeferred = RTDbgModIsDeferred(hMod); + bool const fExports = RTDbgModIsExports(hMod); + uint32_t const cSegs = fDeferred ? 1 : RTDbgModSegmentCount(hMod); + const char * const pszName = RTDbgModName(hMod); + const char * const pszImgFile = RTDbgModImageFile(hMod); + const char * const pszImgFileUsed = RTDbgModImageFileUsed(hMod); + const char * const pszDbgFile = RTDbgModDebugFile(hMod); + if ( cArgs == 0 + || dbgcCmdListModuleMatch(pszName, paArgs, cArgs)) + { + /* + * Find the mapping with the lower address, preferring a full + * image mapping, for the main line. + */ + RTDBGASMAPINFO aMappings[128]; + uint32_t cMappings = RT_ELEMENTS(aMappings); + int rc = RTDbgAsModuleQueryMapByIndex(hAs, iMod, &aMappings[0], &cMappings, 0 /*fFlags*/); + if (RT_SUCCESS(rc)) + { + bool fFull = false; + RTUINTPTR uMin = RTUINTPTR_MAX; + for (uint32_t iMap = 0; iMap < cMappings; iMap++) + if ( aMappings[iMap].Address < uMin + && ( !fFull + || aMappings[iMap].iSeg == NIL_RTDBGSEGIDX)) + uMin = aMappings[iMap].Address; + if (!fVerbose || !pszImgFile) + DBGCCmdHlpPrintf(pCmdHlp, "%RGv %04x %s%s\n", (RTGCUINTPTR)uMin, cSegs, pszName, + fExports ? " (exports)" : fDeferred ? " (deferred)" : ""); + else + DBGCCmdHlpPrintf(pCmdHlp, "%RGv %04x %-12s %s%s\n", (RTGCUINTPTR)uMin, cSegs, pszName, pszImgFile, + fExports ? " (exports)" : fDeferred ? " (deferred)" : ""); + if (fVerbose && pszImgFileUsed) + DBGCCmdHlpPrintf(pCmdHlp, " Local image: %s\n", pszImgFileUsed); + if (fVerbose && pszDbgFile) + DBGCCmdHlpPrintf(pCmdHlp, " Debug file: %s\n", pszDbgFile); + + if (fMappings) + { + /* sort by address first - not very efficient. */ + for (uint32_t i = 0; i + 1 < cMappings; i++) + for (uint32_t j = i + 1; j < cMappings; j++) + if (aMappings[j].Address < aMappings[i].Address) + { + RTDBGASMAPINFO Tmp = aMappings[j]; + aMappings[j] = aMappings[i]; + aMappings[i] = Tmp; + } + + /* print */ + if ( cMappings == 1 + && aMappings[0].iSeg == NIL_RTDBGSEGIDX + && !fDeferred) + { + for (uint32_t iSeg = 0; iSeg < cSegs; iSeg++) + { + RTDBGSEGMENT SegInfo; + rc = RTDbgModSegmentByIndex(hMod, iSeg, &SegInfo); + if (RT_SUCCESS(rc)) + { + if (SegInfo.uRva != RTUINTPTR_MAX) + DBGCCmdHlpPrintf(pCmdHlp, " %RGv %RGv #%02x %s\n", + (RTGCUINTPTR)(aMappings[0].Address + SegInfo.uRva), + (RTGCUINTPTR)SegInfo.cb, iSeg, SegInfo.szName); + else + DBGCCmdHlpPrintf(pCmdHlp, " %*s %RGv #%02x %s\n", + sizeof(RTGCUINTPTR)*2, "noload", + (RTGCUINTPTR)SegInfo.cb, iSeg, SegInfo.szName); + } + else + DBGCCmdHlpPrintf(pCmdHlp, " Error query segment #%u: %Rrc\n", iSeg, rc); + } + } + else + { + for (uint32_t iMap = 0; iMap < cMappings; iMap++) + if (aMappings[iMap].iSeg == NIL_RTDBGSEGIDX) + DBGCCmdHlpPrintf(pCmdHlp, " %RGv %RGv <everything>\n", + (RTGCUINTPTR)aMappings[iMap].Address, + (RTGCUINTPTR)RTDbgModImageSize(hMod)); + else if (!fDeferred) + { + RTDBGSEGMENT SegInfo; + rc = RTDbgModSegmentByIndex(hMod, aMappings[iMap].iSeg, &SegInfo); + if (RT_FAILURE(rc)) + { + RT_ZERO(SegInfo); + strcpy(SegInfo.szName, "error"); + } + DBGCCmdHlpPrintf(pCmdHlp, " %RGv %RGv #%02x %s\n", + (RTGCUINTPTR)aMappings[iMap].Address, + (RTGCUINTPTR)SegInfo.cb, + aMappings[iMap].iSeg, SegInfo.szName); + } + else + DBGCCmdHlpPrintf(pCmdHlp, " %RGv #%02x\n", + (RTGCUINTPTR)aMappings[iMap].Address, aMappings[iMap].iSeg); + } + } + } + else + DBGCCmdHlpPrintf(pCmdHlp, "%.*s %04x %s (rc=%Rrc)\n", + sizeof(RTGCPTR) * 2, "???????????", cSegs, pszName, rc); + /** @todo missing address space API for enumerating the mappings. */ + } + RTDbgModRelease(hMod); + } + } + RTDbgAsRelease(hAs); + + /* For DBGF_AS_RC_AND_GC_GLOBAL we're required to do more work. */ + if (hAsCurAlias != DBGF_AS_RC_AND_GC_GLOBAL) + break; + AssertBreak(iAs == 0); + hAsCurAlias = DBGF_AS_GLOBAL; + } + + NOREF(pCmd); + return VINF_SUCCESS; +} + + + +/** + * @callback_method_impl{FNDBGCFUNC, Reads a unsigned 8-bit value.} + */ +static DECLCALLBACK(int) dbgcFuncReadU8(PCDBGCFUNC pFunc, PDBGCCMDHLP pCmdHlp, PUVM pUVM, PCDBGCVAR paArgs, uint32_t cArgs, + PDBGCVAR pResult) +{ + RT_NOREF1(pUVM); + AssertReturn(cArgs == 1, VERR_DBGC_PARSE_BUG); + AssertReturn(DBGCVAR_ISPOINTER(paArgs[0].enmType), VERR_DBGC_PARSE_BUG); + AssertReturn(paArgs[0].enmRangeType == DBGCVAR_RANGE_NONE, VERR_DBGC_PARSE_BUG); + + uint8_t b; + int rc = DBGCCmdHlpMemRead(pCmdHlp, &b, sizeof(b), &paArgs[0], NULL); + if (RT_FAILURE(rc)) + return rc; + DBGCVAR_INIT_NUMBER(pResult, b); + + NOREF(pFunc); + return VINF_SUCCESS; +} + + +/** + * @callback_method_impl{FNDBGCFUNC, Reads a unsigned 16-bit value.} + */ +static DECLCALLBACK(int) dbgcFuncReadU16(PCDBGCFUNC pFunc, PDBGCCMDHLP pCmdHlp, PUVM pUVM, PCDBGCVAR paArgs, uint32_t cArgs, + PDBGCVAR pResult) +{ + RT_NOREF1(pUVM); + AssertReturn(cArgs == 1, VERR_DBGC_PARSE_BUG); + AssertReturn(DBGCVAR_ISPOINTER(paArgs[0].enmType), VERR_DBGC_PARSE_BUG); + AssertReturn(paArgs[0].enmRangeType == DBGCVAR_RANGE_NONE, VERR_DBGC_PARSE_BUG); + + uint16_t u16; + int rc = DBGCCmdHlpMemRead(pCmdHlp, &u16, sizeof(u16), &paArgs[0], NULL); + if (RT_FAILURE(rc)) + return rc; + DBGCVAR_INIT_NUMBER(pResult, u16); + + NOREF(pFunc); + return VINF_SUCCESS; +} + + +/** + * @callback_method_impl{FNDBGCFUNC, Reads a unsigned 32-bit value.} + */ +static DECLCALLBACK(int) dbgcFuncReadU32(PCDBGCFUNC pFunc, PDBGCCMDHLP pCmdHlp, PUVM pUVM, PCDBGCVAR paArgs, uint32_t cArgs, + PDBGCVAR pResult) +{ + RT_NOREF1(pUVM); + AssertReturn(cArgs == 1, VERR_DBGC_PARSE_BUG); + AssertReturn(DBGCVAR_ISPOINTER(paArgs[0].enmType), VERR_DBGC_PARSE_BUG); + AssertReturn(paArgs[0].enmRangeType == DBGCVAR_RANGE_NONE, VERR_DBGC_PARSE_BUG); + + uint32_t u32; + int rc = DBGCCmdHlpMemRead(pCmdHlp, &u32, sizeof(u32), &paArgs[0], NULL); + if (RT_FAILURE(rc)) + return rc; + DBGCVAR_INIT_NUMBER(pResult, u32); + + NOREF(pFunc); + return VINF_SUCCESS; +} + + +/** + * @callback_method_impl{FNDBGCFUNC, Reads a unsigned 64-bit value.} + */ +static DECLCALLBACK(int) dbgcFuncReadU64(PCDBGCFUNC pFunc, PDBGCCMDHLP pCmdHlp, PUVM pUVM, PCDBGCVAR paArgs, uint32_t cArgs, + PDBGCVAR pResult) +{ + RT_NOREF1(pUVM); + AssertReturn(cArgs == 1, VERR_DBGC_PARSE_BUG); + AssertReturn(DBGCVAR_ISPOINTER(paArgs[0].enmType), VERR_DBGC_PARSE_BUG); + AssertReturn(paArgs[0].enmRangeType == DBGCVAR_RANGE_NONE, VERR_DBGC_PARSE_BUG); + + uint64_t u64; + int rc = DBGCCmdHlpMemRead(pCmdHlp, &u64, sizeof(u64), &paArgs[0], NULL); + if (RT_FAILURE(rc)) + return rc; + DBGCVAR_INIT_NUMBER(pResult, u64); + + NOREF(pFunc); + return VINF_SUCCESS; +} + + +/** + * @callback_method_impl{FNDBGCFUNC, Reads a unsigned pointer-sized value.} + */ +static DECLCALLBACK(int) dbgcFuncReadPtr(PCDBGCFUNC pFunc, PDBGCCMDHLP pCmdHlp, PUVM pUVM, PCDBGCVAR paArgs, uint32_t cArgs, + PDBGCVAR pResult) +{ + AssertReturn(cArgs == 1, VERR_DBGC_PARSE_BUG); + AssertReturn(DBGCVAR_ISPOINTER(paArgs[0].enmType), VERR_DBGC_PARSE_BUG); + AssertReturn(paArgs[0].enmRangeType == DBGCVAR_RANGE_NONE, VERR_DBGC_PARSE_BUG); + + CPUMMODE enmMode = DBGCCmdHlpGetCpuMode(pCmdHlp); + if (enmMode == CPUMMODE_LONG) + return dbgcFuncReadU64(pFunc, pCmdHlp, pUVM, paArgs, cArgs, pResult); + return dbgcFuncReadU32(pFunc, pCmdHlp, pUVM, paArgs, cArgs, pResult); +} + + +/** + * @callback_method_impl{FNDBGCFUNC, The hi(value) function implementation.} + */ +static DECLCALLBACK(int) dbgcFuncHi(PCDBGCFUNC pFunc, PDBGCCMDHLP pCmdHlp, PUVM pUVM, PCDBGCVAR paArgs, uint32_t cArgs, + PDBGCVAR pResult) +{ + AssertReturn(cArgs == 1, VERR_DBGC_PARSE_BUG); + + uint16_t uHi; + switch (paArgs[0].enmType) + { + case DBGCVAR_TYPE_GC_FLAT: uHi = (uint16_t)(paArgs[0].u.GCFlat >> 16); break; + case DBGCVAR_TYPE_GC_FAR: uHi = (uint16_t)paArgs[0].u.GCFar.sel; break; + case DBGCVAR_TYPE_GC_PHYS: uHi = (uint16_t)(paArgs[0].u.GCPhys >> 16); break; + case DBGCVAR_TYPE_HC_FLAT: uHi = (uint16_t)((uintptr_t)paArgs[0].u.pvHCFlat >> 16); break; + case DBGCVAR_TYPE_HC_PHYS: uHi = (uint16_t)(paArgs[0].u.HCPhys >> 16); break; + case DBGCVAR_TYPE_NUMBER: uHi = (uint16_t)(paArgs[0].u.u64Number >> 16); break; + default: + AssertFailedReturn(VERR_DBGC_PARSE_BUG); + } + DBGCVAR_INIT_NUMBER(pResult, uHi); + DBGCVAR_SET_RANGE(pResult, paArgs[0].enmRangeType, paArgs[0].u64Range); + + NOREF(pFunc); NOREF(pCmdHlp); NOREF(pUVM); + return VINF_SUCCESS; +} + + +/** + * @callback_method_impl{FNDBGCFUNC, The low(value) function implementation.} + */ +static DECLCALLBACK(int) dbgcFuncLow(PCDBGCFUNC pFunc, PDBGCCMDHLP pCmdHlp, PUVM pUVM, PCDBGCVAR paArgs, uint32_t cArgs, + PDBGCVAR pResult) +{ + AssertReturn(cArgs == 1, VERR_DBGC_PARSE_BUG); + + uint16_t uLow; + switch (paArgs[0].enmType) + { + case DBGCVAR_TYPE_GC_FLAT: uLow = (uint16_t)paArgs[0].u.GCFlat; break; + case DBGCVAR_TYPE_GC_FAR: uLow = (uint16_t)paArgs[0].u.GCFar.off; break; + case DBGCVAR_TYPE_GC_PHYS: uLow = (uint16_t)paArgs[0].u.GCPhys; break; + case DBGCVAR_TYPE_HC_FLAT: uLow = (uint16_t)(uintptr_t)paArgs[0].u.pvHCFlat; break; + case DBGCVAR_TYPE_HC_PHYS: uLow = (uint16_t)paArgs[0].u.HCPhys; break; + case DBGCVAR_TYPE_NUMBER: uLow = (uint16_t)paArgs[0].u.u64Number; break; + default: + AssertFailedReturn(VERR_DBGC_PARSE_BUG); + } + DBGCVAR_INIT_NUMBER(pResult, uLow); + DBGCVAR_SET_RANGE(pResult, paArgs[0].enmRangeType, paArgs[0].u64Range); + + NOREF(pFunc); NOREF(pCmdHlp); NOREF(pUVM); + return VINF_SUCCESS; +} + + +/** + * @callback_method_impl{FNDBGCFUNC,The low(value) function implementation.} + */ +static DECLCALLBACK(int) dbgcFuncNot(PCDBGCFUNC pFunc, PDBGCCMDHLP pCmdHlp, PUVM pUVM, PCDBGCVAR paArgs, uint32_t cArgs, + PDBGCVAR pResult) +{ + AssertReturn(cArgs == 1, VERR_DBGC_PARSE_BUG); + NOREF(pFunc); NOREF(pCmdHlp); NOREF(pUVM); + return DBGCCmdHlpEval(pCmdHlp, pResult, "!(%Dv)", &paArgs[0]); +} + + +/** Generic pointer argument wo/ range. */ +static const DBGCVARDESC g_aArgPointerWoRange[] = +{ + /* cTimesMin, cTimesMax, enmCategory, fFlags, pszName, pszDescription */ + { 1, 1, DBGCVAR_CAT_POINTER_NO_RANGE, 0, "value", "Address or number." }, +}; + +/** Generic pointer or number argument. */ +static const DBGCVARDESC g_aArgPointerNumber[] = +{ + /* cTimesMin, cTimesMax, enmCategory, fFlags, pszName, pszDescription */ + { 1, 1, DBGCVAR_CAT_POINTER_NUMBER, 0, "value", "Address or number." }, +}; + + + +/** Function descriptors for the CodeView / WinDbg emulation. + * The emulation isn't attempting to be identical, only somewhat similar. + */ +const DBGCFUNC g_aFuncsCodeView[] = +{ + { "by", 1, 1, &g_aArgPointerWoRange[0], RT_ELEMENTS(g_aArgPointerWoRange), 0, dbgcFuncReadU8, "address", "Reads a byte at the given address." }, + { "dwo", 1, 1, &g_aArgPointerWoRange[0], RT_ELEMENTS(g_aArgPointerWoRange), 0, dbgcFuncReadU32, "address", "Reads a 32-bit value at the given address." }, + { "hi", 1, 1, &g_aArgPointerNumber[0], RT_ELEMENTS(g_aArgPointerNumber), 0, dbgcFuncHi, "value", "Returns the high 16-bit bits of a value." }, + { "low", 1, 1, &g_aArgPointerNumber[0], RT_ELEMENTS(g_aArgPointerNumber), 0, dbgcFuncLow, "value", "Returns the low 16-bit bits of a value." }, + { "not", 1, 1, &g_aArgPointerNumber[0], RT_ELEMENTS(g_aArgPointerNumber), 0, dbgcFuncNot, "address", "Boolean NOT." }, + { "poi", 1, 1, &g_aArgPointerWoRange[0], RT_ELEMENTS(g_aArgPointerWoRange), 0, dbgcFuncReadPtr, "address", "Reads a pointer sized (CS) value at the given address." }, + { "qwo", 1, 1, &g_aArgPointerWoRange[0], RT_ELEMENTS(g_aArgPointerWoRange), 0, dbgcFuncReadU64, "address", "Reads a 32-bit value at the given address." }, + { "wo", 1, 1, &g_aArgPointerWoRange[0], RT_ELEMENTS(g_aArgPointerWoRange), 0, dbgcFuncReadU16, "address", "Reads a 16-bit value at the given address." }, +}; + +/** The number of functions in the CodeView/WinDbg emulation. */ +const uint32_t g_cFuncsCodeView = RT_ELEMENTS(g_aFuncsCodeView); + |