mirror of
https://github.com/reactos/reactos.git
synced 2024-06-25 23:41:35 +00:00
3911 lines
115 KiB
C
3911 lines
115 KiB
C
/*
|
|
* ReactOS kernel
|
|
* Copyright (C) 2005 ReactOS Team
|
|
*
|
|
* This program is free software; you can redistribute it and/or modify
|
|
* it under the terms of the GNU General Public License as published by
|
|
* the Free Software Foundation; either version 2 of the License, or
|
|
* (at your option) any later version.
|
|
*
|
|
* This program is distributed in the hope that it will be useful,
|
|
* but WITHOUT ANY WARRANTY; without even the implied warranty of
|
|
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
|
|
* GNU General Public License for more details.
|
|
*
|
|
* You should have received a copy of the GNU General Public License along
|
|
* with this program; if not, write to the Free Software Foundation, Inc.,
|
|
* 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA.
|
|
*/
|
|
/*
|
|
* PROJECT: ReactOS kernel
|
|
* FILE: ntoskrnl/kdbg/kdb_cli.c
|
|
* PURPOSE: Kernel debugger command line interface
|
|
* PROGRAMMER: Gregor Anich (blight@blight.eu.org)
|
|
* Hervé Poussineau
|
|
* UPDATE HISTORY:
|
|
* Created 16/01/2005
|
|
*/
|
|
|
|
/* INCLUDES ******************************************************************/
|
|
|
|
#include <ntoskrnl.h>
|
|
|
|
#define NDEBUG
|
|
#include <debug.h>
|
|
|
|
/* DEFINES *******************************************************************/
|
|
|
|
#define KEY_BS 8
|
|
#define KEY_ESC 27
|
|
#define KEY_DEL 127
|
|
|
|
#define KEY_SCAN_UP 72
|
|
#define KEY_SCAN_DOWN 80
|
|
|
|
/* Scan codes of keyboard keys: */
|
|
#define KEYSC_END 0x004f
|
|
#define KEYSC_PAGEUP 0x0049
|
|
#define KEYSC_PAGEDOWN 0x0051
|
|
#define KEYSC_HOME 0x0047
|
|
#define KEYSC_ARROWUP 0x0048
|
|
|
|
#define KDB_ENTER_CONDITION_TO_STRING(cond) \
|
|
((cond) == KdbDoNotEnter ? "never" : \
|
|
((cond) == KdbEnterAlways ? "always" : \
|
|
((cond) == KdbEnterFromKmode ? "kmode" : "umode")))
|
|
|
|
#define KDB_ACCESS_TYPE_TO_STRING(type) \
|
|
((type) == KdbAccessRead ? "read" : \
|
|
((type) == KdbAccessWrite ? "write" : \
|
|
((type) == KdbAccessReadWrite ? "rdwr" : "exec")))
|
|
|
|
#define NPX_STATE_TO_STRING(state) \
|
|
((state) == NPX_STATE_LOADED ? "Loaded" : \
|
|
((state) == NPX_STATE_NOT_LOADED ? "Not loaded" : "Unknown"))
|
|
|
|
/* PROTOTYPES ****************************************************************/
|
|
|
|
static BOOLEAN KdbpCmdEvalExpression(ULONG Argc, PCHAR Argv[]);
|
|
static BOOLEAN KdbpCmdDisassembleX(ULONG Argc, PCHAR Argv[]);
|
|
static BOOLEAN KdbpCmdRegs(ULONG Argc, PCHAR Argv[]);
|
|
static BOOLEAN KdbpCmdBackTrace(ULONG Argc, PCHAR Argv[]);
|
|
|
|
static BOOLEAN KdbpCmdContinue(ULONG Argc, PCHAR Argv[]);
|
|
static BOOLEAN KdbpCmdStep(ULONG Argc, PCHAR Argv[]);
|
|
static BOOLEAN KdbpCmdBreakPointList(ULONG Argc, PCHAR Argv[]);
|
|
static BOOLEAN KdbpCmdEnableDisableClearBreakPoint(ULONG Argc, PCHAR Argv[]);
|
|
static BOOLEAN KdbpCmdBreakPoint(ULONG Argc, PCHAR Argv[]);
|
|
|
|
static BOOLEAN KdbpCmdThread(ULONG Argc, PCHAR Argv[]);
|
|
static BOOLEAN KdbpCmdProc(ULONG Argc, PCHAR Argv[]);
|
|
|
|
static BOOLEAN KdbpCmdMod(ULONG Argc, PCHAR Argv[]);
|
|
static BOOLEAN KdbpCmdGdtLdtIdt(ULONG Argc, PCHAR Argv[]);
|
|
static BOOLEAN KdbpCmdPcr(ULONG Argc, PCHAR Argv[]);
|
|
#ifdef _M_IX86
|
|
static BOOLEAN KdbpCmdTss(ULONG Argc, PCHAR Argv[]);
|
|
#endif
|
|
|
|
static BOOLEAN KdbpCmdBugCheck(ULONG Argc, PCHAR Argv[]);
|
|
static BOOLEAN KdbpCmdReboot(ULONG Argc, PCHAR Argv[]);
|
|
static BOOLEAN KdbpCmdFilter(ULONG Argc, PCHAR Argv[]);
|
|
static BOOLEAN KdbpCmdSet(ULONG Argc, PCHAR Argv[]);
|
|
static BOOLEAN KdbpCmdHelp(ULONG Argc, PCHAR Argv[]);
|
|
static BOOLEAN KdbpCmdDmesg(ULONG Argc, PCHAR Argv[]);
|
|
|
|
BOOLEAN ExpKdbgExtPool(ULONG Argc, PCHAR Argv[]);
|
|
BOOLEAN ExpKdbgExtPoolUsed(ULONG Argc, PCHAR Argv[]);
|
|
BOOLEAN ExpKdbgExtPoolFind(ULONG Argc, PCHAR Argv[]);
|
|
BOOLEAN ExpKdbgExtFileCache(ULONG Argc, PCHAR Argv[]);
|
|
BOOLEAN ExpKdbgExtDefWrites(ULONG Argc, PCHAR Argv[]);
|
|
BOOLEAN ExpKdbgExtIrpFind(ULONG Argc, PCHAR Argv[]);
|
|
BOOLEAN ExpKdbgExtHandle(ULONG Argc, PCHAR Argv[]);
|
|
|
|
#ifdef __ROS_DWARF__
|
|
static BOOLEAN KdbpCmdPrintStruct(ULONG Argc, PCHAR Argv[]);
|
|
#endif
|
|
|
|
/* Be more descriptive than intrinsics */
|
|
#ifndef Ke386GetGlobalDescriptorTable
|
|
# define Ke386GetGlobalDescriptorTable __sgdt
|
|
#endif
|
|
#ifndef Ke386GetLocalDescriptorTable
|
|
# define Ke386GetLocalDescriptorTable __sldt
|
|
#endif
|
|
|
|
/* Portability */
|
|
FORCEINLINE
|
|
ULONG_PTR
|
|
strtoulptr(const char* nptr, char** endptr, int base)
|
|
{
|
|
#ifdef _M_IX86
|
|
return strtoul(nptr, endptr, base);
|
|
#else
|
|
return strtoull(nptr, endptr, base);
|
|
#endif
|
|
}
|
|
|
|
/* GLOBALS *******************************************************************/
|
|
|
|
typedef
|
|
BOOLEAN
|
|
(NTAPI *PKDBG_CLI_ROUTINE)(
|
|
IN PCHAR Command,
|
|
IN ULONG Argc,
|
|
IN PCH Argv[]);
|
|
|
|
static PKDBG_CLI_ROUTINE KdbCliCallbacks[10];
|
|
static BOOLEAN KdbUseIntelSyntax = FALSE; /* Set to TRUE for intel syntax */
|
|
static BOOLEAN KdbBreakOnModuleLoad = FALSE; /* Set to TRUE to break into KDB when a module is loaded */
|
|
|
|
static CHAR KdbCommandHistoryBuffer[2048]; /* Command history string ringbuffer */
|
|
static PCHAR KdbCommandHistory[sizeof(KdbCommandHistoryBuffer) / 8] = { NULL }; /* Command history ringbuffer */
|
|
static LONG KdbCommandHistoryBufferIndex = 0;
|
|
static LONG KdbCommandHistoryIndex = 0;
|
|
|
|
static ULONG KdbNumberOfRowsPrinted = 0;
|
|
static ULONG KdbNumberOfColsPrinted = 0;
|
|
static BOOLEAN KdbOutputAborted = FALSE;
|
|
static BOOLEAN KdbRepeatLastCommand = FALSE;
|
|
static LONG KdbNumberOfRowsTerminal = -1;
|
|
static LONG KdbNumberOfColsTerminal = -1;
|
|
|
|
PCHAR KdbInitFileBuffer = NULL; /* Buffer where KDBinit file is loaded into during initialization */
|
|
BOOLEAN KdbpBugCheckRequested = FALSE;
|
|
|
|
/* Vars for dmesg */
|
|
/* defined in ../kd/kdio.c, declare here: */
|
|
extern volatile BOOLEAN KdbpIsInDmesgMode;
|
|
extern const ULONG KdpDmesgBufferSize;
|
|
extern PCHAR KdpDmesgBuffer;
|
|
extern volatile ULONG KdpDmesgCurrentPosition;
|
|
extern volatile ULONG KdpDmesgFreeBytes;
|
|
extern volatile ULONG KdbDmesgTotalWritten;
|
|
|
|
STRING KdbPromptString = RTL_CONSTANT_STRING("kdb:> ");
|
|
|
|
//
|
|
// Debug Filter Component Table
|
|
//
|
|
#define KD_DEBUG_PRINT_FILTER(Name) \
|
|
{ #Name, DPFLTR_##Name##_ID }
|
|
|
|
static struct
|
|
{
|
|
PCSTR Name;
|
|
ULONG Id;
|
|
}
|
|
ComponentTable[] =
|
|
{
|
|
//
|
|
// Default components
|
|
//
|
|
{ "WIN2000", MAXULONG },
|
|
KD_DEBUG_PRINT_FILTER(DEFAULT),
|
|
//
|
|
// Standard components
|
|
//
|
|
KD_DEBUG_PRINT_FILTER(SYSTEM),
|
|
KD_DEBUG_PRINT_FILTER(SMSS),
|
|
KD_DEBUG_PRINT_FILTER(SETUP),
|
|
KD_DEBUG_PRINT_FILTER(NTFS),
|
|
KD_DEBUG_PRINT_FILTER(FSTUB),
|
|
KD_DEBUG_PRINT_FILTER(CRASHDUMP),
|
|
KD_DEBUG_PRINT_FILTER(CDAUDIO),
|
|
KD_DEBUG_PRINT_FILTER(CDROM),
|
|
KD_DEBUG_PRINT_FILTER(CLASSPNP),
|
|
KD_DEBUG_PRINT_FILTER(DISK),
|
|
KD_DEBUG_PRINT_FILTER(REDBOOK),
|
|
KD_DEBUG_PRINT_FILTER(STORPROP),
|
|
KD_DEBUG_PRINT_FILTER(SCSIPORT),
|
|
KD_DEBUG_PRINT_FILTER(SCSIMINIPORT),
|
|
KD_DEBUG_PRINT_FILTER(CONFIG),
|
|
KD_DEBUG_PRINT_FILTER(I8042PRT),
|
|
KD_DEBUG_PRINT_FILTER(SERMOUSE),
|
|
KD_DEBUG_PRINT_FILTER(LSERMOUS),
|
|
KD_DEBUG_PRINT_FILTER(KBDHID),
|
|
KD_DEBUG_PRINT_FILTER(MOUHID),
|
|
KD_DEBUG_PRINT_FILTER(KBDCLASS),
|
|
KD_DEBUG_PRINT_FILTER(MOUCLASS),
|
|
KD_DEBUG_PRINT_FILTER(TWOTRACK),
|
|
KD_DEBUG_PRINT_FILTER(WMILIB),
|
|
KD_DEBUG_PRINT_FILTER(ACPI),
|
|
KD_DEBUG_PRINT_FILTER(AMLI),
|
|
KD_DEBUG_PRINT_FILTER(HALIA64),
|
|
KD_DEBUG_PRINT_FILTER(VIDEO),
|
|
KD_DEBUG_PRINT_FILTER(SVCHOST),
|
|
KD_DEBUG_PRINT_FILTER(VIDEOPRT),
|
|
KD_DEBUG_PRINT_FILTER(TCPIP),
|
|
KD_DEBUG_PRINT_FILTER(DMSYNTH),
|
|
KD_DEBUG_PRINT_FILTER(NTOSPNP),
|
|
KD_DEBUG_PRINT_FILTER(FASTFAT),
|
|
KD_DEBUG_PRINT_FILTER(SAMSS),
|
|
KD_DEBUG_PRINT_FILTER(PNPMGR),
|
|
KD_DEBUG_PRINT_FILTER(NETAPI),
|
|
KD_DEBUG_PRINT_FILTER(SCSERVER),
|
|
KD_DEBUG_PRINT_FILTER(SCCLIENT),
|
|
KD_DEBUG_PRINT_FILTER(SERIAL),
|
|
KD_DEBUG_PRINT_FILTER(SERENUM),
|
|
KD_DEBUG_PRINT_FILTER(UHCD),
|
|
KD_DEBUG_PRINT_FILTER(RPCPROXY),
|
|
KD_DEBUG_PRINT_FILTER(AUTOCHK),
|
|
KD_DEBUG_PRINT_FILTER(DCOMSS),
|
|
KD_DEBUG_PRINT_FILTER(UNIMODEM),
|
|
KD_DEBUG_PRINT_FILTER(SIS),
|
|
KD_DEBUG_PRINT_FILTER(FLTMGR),
|
|
KD_DEBUG_PRINT_FILTER(WMICORE),
|
|
KD_DEBUG_PRINT_FILTER(BURNENG),
|
|
KD_DEBUG_PRINT_FILTER(IMAPI),
|
|
KD_DEBUG_PRINT_FILTER(SXS),
|
|
KD_DEBUG_PRINT_FILTER(FUSION),
|
|
KD_DEBUG_PRINT_FILTER(IDLETASK),
|
|
KD_DEBUG_PRINT_FILTER(SOFTPCI),
|
|
KD_DEBUG_PRINT_FILTER(TAPE),
|
|
KD_DEBUG_PRINT_FILTER(MCHGR),
|
|
KD_DEBUG_PRINT_FILTER(IDEP),
|
|
KD_DEBUG_PRINT_FILTER(PCIIDE),
|
|
KD_DEBUG_PRINT_FILTER(FLOPPY),
|
|
KD_DEBUG_PRINT_FILTER(FDC),
|
|
KD_DEBUG_PRINT_FILTER(TERMSRV),
|
|
KD_DEBUG_PRINT_FILTER(W32TIME),
|
|
KD_DEBUG_PRINT_FILTER(PREFETCHER),
|
|
KD_DEBUG_PRINT_FILTER(RSFILTER),
|
|
KD_DEBUG_PRINT_FILTER(FCPORT),
|
|
KD_DEBUG_PRINT_FILTER(PCI),
|
|
KD_DEBUG_PRINT_FILTER(DMIO),
|
|
KD_DEBUG_PRINT_FILTER(DMCONFIG),
|
|
KD_DEBUG_PRINT_FILTER(DMADMIN),
|
|
KD_DEBUG_PRINT_FILTER(WSOCKTRANSPORT),
|
|
KD_DEBUG_PRINT_FILTER(VSS),
|
|
KD_DEBUG_PRINT_FILTER(PNPMEM),
|
|
KD_DEBUG_PRINT_FILTER(PROCESSOR),
|
|
KD_DEBUG_PRINT_FILTER(DMSERVER),
|
|
KD_DEBUG_PRINT_FILTER(SR),
|
|
KD_DEBUG_PRINT_FILTER(INFINIBAND),
|
|
KD_DEBUG_PRINT_FILTER(IHVDRIVER),
|
|
KD_DEBUG_PRINT_FILTER(IHVVIDEO),
|
|
KD_DEBUG_PRINT_FILTER(IHVAUDIO),
|
|
KD_DEBUG_PRINT_FILTER(IHVNETWORK),
|
|
KD_DEBUG_PRINT_FILTER(IHVSTREAMING),
|
|
KD_DEBUG_PRINT_FILTER(IHVBUS),
|
|
KD_DEBUG_PRINT_FILTER(HPS),
|
|
KD_DEBUG_PRINT_FILTER(RTLTHREADPOOL),
|
|
KD_DEBUG_PRINT_FILTER(LDR),
|
|
KD_DEBUG_PRINT_FILTER(TCPIP6),
|
|
KD_DEBUG_PRINT_FILTER(ISAPNP),
|
|
KD_DEBUG_PRINT_FILTER(SHPC),
|
|
KD_DEBUG_PRINT_FILTER(STORPORT),
|
|
KD_DEBUG_PRINT_FILTER(STORMINIPORT),
|
|
KD_DEBUG_PRINT_FILTER(PRINTSPOOLER),
|
|
KD_DEBUG_PRINT_FILTER(VSSDYNDISK),
|
|
KD_DEBUG_PRINT_FILTER(VERIFIER),
|
|
KD_DEBUG_PRINT_FILTER(VDS),
|
|
KD_DEBUG_PRINT_FILTER(VDSBAS),
|
|
KD_DEBUG_PRINT_FILTER(VDSDYN), // Specified in Vista+
|
|
KD_DEBUG_PRINT_FILTER(VDSDYNDR),
|
|
KD_DEBUG_PRINT_FILTER(VDSLDR), // Specified in Vista+
|
|
KD_DEBUG_PRINT_FILTER(VDSUTIL),
|
|
KD_DEBUG_PRINT_FILTER(DFRGIFC),
|
|
KD_DEBUG_PRINT_FILTER(MM),
|
|
KD_DEBUG_PRINT_FILTER(DFSC),
|
|
KD_DEBUG_PRINT_FILTER(WOW64),
|
|
//
|
|
// Components specified in Vista+, some of which we also use in ReactOS
|
|
//
|
|
KD_DEBUG_PRINT_FILTER(ALPC),
|
|
KD_DEBUG_PRINT_FILTER(WDI),
|
|
KD_DEBUG_PRINT_FILTER(PERFLIB),
|
|
KD_DEBUG_PRINT_FILTER(KTM),
|
|
KD_DEBUG_PRINT_FILTER(IOSTRESS),
|
|
KD_DEBUG_PRINT_FILTER(HEAP),
|
|
KD_DEBUG_PRINT_FILTER(WHEA),
|
|
KD_DEBUG_PRINT_FILTER(USERGDI),
|
|
KD_DEBUG_PRINT_FILTER(MMCSS),
|
|
KD_DEBUG_PRINT_FILTER(TPM),
|
|
KD_DEBUG_PRINT_FILTER(THREADORDER),
|
|
KD_DEBUG_PRINT_FILTER(ENVIRON),
|
|
KD_DEBUG_PRINT_FILTER(EMS),
|
|
KD_DEBUG_PRINT_FILTER(WDT),
|
|
KD_DEBUG_PRINT_FILTER(FVEVOL),
|
|
KD_DEBUG_PRINT_FILTER(NDIS),
|
|
KD_DEBUG_PRINT_FILTER(NVCTRACE),
|
|
KD_DEBUG_PRINT_FILTER(LUAFV),
|
|
KD_DEBUG_PRINT_FILTER(APPCOMPAT),
|
|
KD_DEBUG_PRINT_FILTER(USBSTOR),
|
|
KD_DEBUG_PRINT_FILTER(SBP2PORT),
|
|
KD_DEBUG_PRINT_FILTER(COVERAGE),
|
|
KD_DEBUG_PRINT_FILTER(CACHEMGR),
|
|
KD_DEBUG_PRINT_FILTER(MOUNTMGR),
|
|
KD_DEBUG_PRINT_FILTER(CFR),
|
|
KD_DEBUG_PRINT_FILTER(TXF),
|
|
KD_DEBUG_PRINT_FILTER(KSECDD),
|
|
KD_DEBUG_PRINT_FILTER(FLTREGRESS),
|
|
KD_DEBUG_PRINT_FILTER(MPIO),
|
|
KD_DEBUG_PRINT_FILTER(MSDSM),
|
|
KD_DEBUG_PRINT_FILTER(UDFS),
|
|
KD_DEBUG_PRINT_FILTER(PSHED),
|
|
KD_DEBUG_PRINT_FILTER(STORVSP),
|
|
KD_DEBUG_PRINT_FILTER(LSASS),
|
|
KD_DEBUG_PRINT_FILTER(SSPICLI),
|
|
KD_DEBUG_PRINT_FILTER(CNG),
|
|
KD_DEBUG_PRINT_FILTER(EXFAT),
|
|
KD_DEBUG_PRINT_FILTER(FILETRACE),
|
|
KD_DEBUG_PRINT_FILTER(XSAVE),
|
|
KD_DEBUG_PRINT_FILTER(SE),
|
|
KD_DEBUG_PRINT_FILTER(DRIVEEXTENDER),
|
|
//
|
|
// Components specified in Windows 8
|
|
//
|
|
KD_DEBUG_PRINT_FILTER(POWER),
|
|
KD_DEBUG_PRINT_FILTER(CRASHDUMPXHCI),
|
|
KD_DEBUG_PRINT_FILTER(GPIO),
|
|
KD_DEBUG_PRINT_FILTER(REFS),
|
|
KD_DEBUG_PRINT_FILTER(WER),
|
|
//
|
|
// Components specified in Windows 10
|
|
//
|
|
KD_DEBUG_PRINT_FILTER(CAPIMG),
|
|
KD_DEBUG_PRINT_FILTER(VPCI),
|
|
KD_DEBUG_PRINT_FILTER(STORAGECLASSMEMORY),
|
|
KD_DEBUG_PRINT_FILTER(FSLIB),
|
|
};
|
|
#undef KD_DEBUG_PRINT_FILTER
|
|
|
|
//
|
|
// Command Table
|
|
//
|
|
static const struct
|
|
{
|
|
PCHAR Name;
|
|
PCHAR Syntax;
|
|
PCHAR Help;
|
|
BOOLEAN (*Fn)(ULONG Argc, PCHAR Argv[]);
|
|
} KdbDebuggerCommands[] = {
|
|
/* Data */
|
|
{ NULL, NULL, "Data", NULL },
|
|
{ "?", "? expression", "Evaluate expression.", KdbpCmdEvalExpression },
|
|
{ "disasm", "disasm [address] [L count]", "Disassemble count instructions at address.", KdbpCmdDisassembleX },
|
|
{ "x", "x [address] [L count]", "Display count dwords, starting at address.", KdbpCmdDisassembleX },
|
|
{ "regs", "regs", "Display general purpose registers.", KdbpCmdRegs },
|
|
{ "sregs", "sregs", "Display status registers.", KdbpCmdRegs },
|
|
{ "dregs", "dregs", "Display debug registers.", KdbpCmdRegs },
|
|
{ "bt", "bt [*frameaddr|thread id]", "Prints current backtrace or from given frame address.", KdbpCmdBackTrace },
|
|
#ifdef __ROS_DWARF__
|
|
{ "dt", "dt [mod] [type] [addr]", "Print a struct. The address is optional.", KdbpCmdPrintStruct },
|
|
#endif
|
|
|
|
/* Flow control */
|
|
{ NULL, NULL, "Flow control", NULL },
|
|
{ "cont", "cont", "Continue execution (leave debugger).", KdbpCmdContinue },
|
|
{ "step", "step [count]", "Execute single instructions, stepping into interrupts.", KdbpCmdStep },
|
|
{ "next", "next [count]", "Execute single instructions, skipping calls and reps.", KdbpCmdStep },
|
|
{ "bl", "bl", "List breakpoints.", KdbpCmdBreakPointList },
|
|
{ "be", "be [breakpoint]", "Enable breakpoint.", KdbpCmdEnableDisableClearBreakPoint },
|
|
{ "bd", "bd [breakpoint]", "Disable breakpoint.", KdbpCmdEnableDisableClearBreakPoint },
|
|
{ "bc", "bc [breakpoint]", "Clear breakpoint.", KdbpCmdEnableDisableClearBreakPoint },
|
|
{ "bpx", "bpx [address] [IF condition]", "Set software execution breakpoint at address.", KdbpCmdBreakPoint },
|
|
{ "bpm", "bpm [r|w|rw|x] [byte|word|dword] [address] [IF condition]", "Set memory breakpoint at address.", KdbpCmdBreakPoint },
|
|
|
|
/* Process/Thread */
|
|
{ NULL, NULL, "Process/Thread", NULL },
|
|
{ "thread", "thread [list[ pid]|[attach ]tid]", "List threads in current or specified process, display thread with given id or attach to thread.", KdbpCmdThread },
|
|
{ "proc", "proc [list|[attach ]pid]", "List processes, display process with given id or attach to process.", KdbpCmdProc },
|
|
|
|
/* System information */
|
|
{ NULL, NULL, "System info", NULL },
|
|
{ "mod", "mod [address]", "List all modules or the one containing address.", KdbpCmdMod },
|
|
{ "gdt", "gdt", "Display the global descriptor table.", KdbpCmdGdtLdtIdt },
|
|
{ "ldt", "ldt", "Display the local descriptor table.", KdbpCmdGdtLdtIdt },
|
|
{ "idt", "idt", "Display the interrupt descriptor table.", KdbpCmdGdtLdtIdt },
|
|
{ "pcr", "pcr", "Display the processor control region.", KdbpCmdPcr },
|
|
#ifdef _M_IX86
|
|
{ "tss", "tss [selector|*descaddr]", "Display the current task state segment, or the one specified by its selector number or descriptor address.", KdbpCmdTss },
|
|
#endif
|
|
|
|
/* Others */
|
|
{ NULL, NULL, "Others", NULL },
|
|
{ "bugcheck", "bugcheck", "Bugchecks the system.", KdbpCmdBugCheck },
|
|
{ "reboot", "reboot", "Reboots the system.", KdbpCmdReboot},
|
|
{ "filter", "filter [error|warning|trace|info|level]+|-[componentname|default]", "Enable/disable debug channels.", KdbpCmdFilter },
|
|
{ "set", "set [var] [value]", "Sets var to value or displays value of var.", KdbpCmdSet },
|
|
{ "dmesg", "dmesg", "Display debug messages on screen, with navigation on pages.", KdbpCmdDmesg },
|
|
{ "kmsg", "kmsg", "Kernel dmesg. Alias for dmesg.", KdbpCmdDmesg },
|
|
{ "help", "help", "Display help screen.", KdbpCmdHelp },
|
|
{ "!pool", "!pool [Address [Flags]]", "Display information about pool allocations.", ExpKdbgExtPool },
|
|
{ "!poolused", "!poolused [Flags [Tag]]", "Display pool usage.", ExpKdbgExtPoolUsed },
|
|
{ "!poolfind", "!poolfind Tag [Pool]", "Search for pool tag allocations.", ExpKdbgExtPoolFind },
|
|
{ "!filecache", "!filecache", "Display cache usage.", ExpKdbgExtFileCache },
|
|
{ "!defwrites", "!defwrites", "Display cache write values.", ExpKdbgExtDefWrites },
|
|
{ "!irpfind", "!irpfind [Pool [startaddress [criteria data]]]", "Lists IRPs potentially matching criteria.", ExpKdbgExtIrpFind },
|
|
{ "!handle", "!handle [Handle]", "Displays info about handles.", ExpKdbgExtHandle },
|
|
};
|
|
|
|
/* FUNCTIONS *****************************************************************/
|
|
|
|
/*!\brief Evaluates an expression...
|
|
*
|
|
* Much like KdbpRpnEvaluateExpression, but prints the error message (if any)
|
|
* at the given offset.
|
|
*
|
|
* \param Expression Expression to evaluate.
|
|
* \param ErrOffset Offset (in characters) to print the error message at.
|
|
* \param Result Receives the result on success.
|
|
*
|
|
* \retval TRUE Success.
|
|
* \retval FALSE Failure.
|
|
*/
|
|
static BOOLEAN
|
|
KdbpEvaluateExpression(
|
|
IN PCHAR Expression,
|
|
IN LONG ErrOffset,
|
|
OUT PULONGLONG Result)
|
|
{
|
|
static CHAR ErrMsgBuffer[130] = "^ ";
|
|
LONG ExpressionErrOffset = -1;
|
|
PCHAR ErrMsg = ErrMsgBuffer;
|
|
BOOLEAN Ok;
|
|
|
|
Ok = KdbpRpnEvaluateExpression(Expression, KdbCurrentTrapFrame, Result,
|
|
&ExpressionErrOffset, ErrMsgBuffer + 2);
|
|
if (!Ok)
|
|
{
|
|
if (ExpressionErrOffset >= 0)
|
|
ExpressionErrOffset += ErrOffset;
|
|
else
|
|
ErrMsg += 2;
|
|
|
|
KdbpPrint("%*s%s\n", ExpressionErrOffset, "", ErrMsg);
|
|
}
|
|
|
|
return Ok;
|
|
}
|
|
|
|
BOOLEAN
|
|
NTAPI
|
|
KdbpGetHexNumber(
|
|
IN PCHAR pszNum,
|
|
OUT ULONG_PTR *pulValue)
|
|
{
|
|
char *endptr;
|
|
|
|
/* Skip optional '0x' prefix */
|
|
if ((pszNum[0] == '0') && ((pszNum[1] == 'x') || (pszNum[1] == 'X')))
|
|
pszNum += 2;
|
|
|
|
/* Make a number from the string (hex) */
|
|
*pulValue = strtoul(pszNum, &endptr, 16);
|
|
|
|
return (*endptr == '\0');
|
|
}
|
|
|
|
/*!\brief Evaluates an expression and displays the result.
|
|
*/
|
|
static BOOLEAN
|
|
KdbpCmdEvalExpression(
|
|
ULONG Argc,
|
|
PCHAR Argv[])
|
|
{
|
|
ULONG i, len;
|
|
ULONGLONG Result = 0;
|
|
ULONG ul;
|
|
LONG l = 0;
|
|
BOOLEAN Ok;
|
|
|
|
if (Argc < 2)
|
|
{
|
|
KdbpPrint("?: Argument required\n");
|
|
return TRUE;
|
|
}
|
|
|
|
/* Put the arguments back together */
|
|
Argc--;
|
|
for (i = 1; i < Argc; i++)
|
|
{
|
|
len = strlen(Argv[i]);
|
|
Argv[i][len] = ' ';
|
|
}
|
|
|
|
/* Evaluate the expression */
|
|
Ok = KdbpEvaluateExpression(Argv[1], KdbPromptString.Length + (Argv[1]-Argv[0]), &Result);
|
|
if (Ok)
|
|
{
|
|
if (Result > 0x00000000ffffffffLL)
|
|
{
|
|
if (Result & 0x8000000000000000LL)
|
|
KdbpPrint("0x%016I64x %20I64u %20I64d\n", Result, Result, Result);
|
|
else
|
|
KdbpPrint("0x%016I64x %20I64u\n", Result, Result);
|
|
}
|
|
else
|
|
{
|
|
ul = (ULONG)Result;
|
|
|
|
if (ul <= 0xff && ul >= 0x80)
|
|
l = (LONG)((CHAR)ul);
|
|
else if (ul <= 0xffff && ul >= 0x8000)
|
|
l = (LONG)((SHORT)ul);
|
|
else
|
|
l = (LONG)ul;
|
|
|
|
if (l < 0)
|
|
KdbpPrint("0x%08lx %10lu %10ld\n", ul, ul, l);
|
|
else
|
|
KdbpPrint("0x%08lx %10lu\n", ul, ul);
|
|
}
|
|
}
|
|
|
|
return TRUE;
|
|
}
|
|
|
|
#ifdef __ROS_DWARF__
|
|
|
|
/*!\brief Print a struct
|
|
*/
|
|
static VOID
|
|
KdbpPrintStructInternal
|
|
(PROSSYM_INFO Info,
|
|
PCHAR Indent,
|
|
BOOLEAN DoRead,
|
|
PVOID BaseAddress,
|
|
PROSSYM_AGGREGATE Aggregate)
|
|
{
|
|
ULONG i;
|
|
ULONGLONG Result;
|
|
PROSSYM_AGGREGATE_MEMBER Member;
|
|
ULONG IndentLen = strlen(Indent);
|
|
ROSSYM_AGGREGATE MemberAggregate = {0 };
|
|
|
|
for (i = 0; i < Aggregate->NumElements; i++) {
|
|
Member = &Aggregate->Elements[i];
|
|
KdbpPrint("%s%p+%x: %s", Indent, ((PCHAR)BaseAddress) + Member->BaseOffset, Member->Size, Member->Name ? Member->Name : "<anoymous>");
|
|
if (DoRead) {
|
|
if (!strcmp(Member->Type, "_UNICODE_STRING")) {
|
|
KdbpPrint("\"%wZ\"\n", ((PCHAR)BaseAddress) + Member->BaseOffset);
|
|
continue;
|
|
} else if (!strcmp(Member->Type, "PUNICODE_STRING")) {
|
|
KdbpPrint("\"%wZ\"\n", *(((PUNICODE_STRING*)((PCHAR)BaseAddress) + Member->BaseOffset)));
|
|
continue;
|
|
}
|
|
switch (Member->Size) {
|
|
case 1:
|
|
case 2:
|
|
case 4:
|
|
case 8: {
|
|
Result = 0;
|
|
if (NT_SUCCESS(KdbpSafeReadMemory(&Result, ((PCHAR)BaseAddress) + Member->BaseOffset, Member->Size))) {
|
|
if (Member->Bits) {
|
|
Result >>= Member->FirstBit;
|
|
Result &= ((1 << Member->Bits) - 1);
|
|
}
|
|
KdbpPrint(" %lx\n", Result);
|
|
}
|
|
else goto readfail;
|
|
break;
|
|
}
|
|
default: {
|
|
if (Member->Size < 8) {
|
|
if (NT_SUCCESS(KdbpSafeReadMemory(&Result, ((PCHAR)BaseAddress) + Member->BaseOffset, Member->Size))) {
|
|
ULONG j;
|
|
for (j = 0; j < Member->Size; j++) {
|
|
KdbpPrint(" %02x", (int)(Result & 0xff));
|
|
Result >>= 8;
|
|
}
|
|
} else goto readfail;
|
|
} else {
|
|
KdbpPrint(" %s @ %p {\n", Member->Type, ((PCHAR)BaseAddress) + Member->BaseOffset);
|
|
Indent[IndentLen] = ' ';
|
|
if (RosSymAggregate(Info, Member->Type, &MemberAggregate)) {
|
|
KdbpPrintStructInternal(Info, Indent, DoRead, ((PCHAR)BaseAddress) + Member->BaseOffset, &MemberAggregate);
|
|
RosSymFreeAggregate(&MemberAggregate);
|
|
}
|
|
Indent[IndentLen] = 0;
|
|
KdbpPrint("%s}\n", Indent);
|
|
} break;
|
|
}
|
|
}
|
|
} else {
|
|
readfail:
|
|
if (Member->Size <= 8) {
|
|
KdbpPrint(" ??\n");
|
|
} else {
|
|
KdbpPrint(" %s @ %x {\n", Member->Type, Member->BaseOffset);
|
|
Indent[IndentLen] = ' ';
|
|
if (RosSymAggregate(Info, Member->Type, &MemberAggregate)) {
|
|
KdbpPrintStructInternal(Info, Indent, DoRead, BaseAddress, &MemberAggregate);
|
|
RosSymFreeAggregate(&MemberAggregate);
|
|
}
|
|
Indent[IndentLen] = 0;
|
|
KdbpPrint("%s}\n", Indent);
|
|
}
|
|
}
|
|
}
|
|
}
|
|
|
|
PROSSYM_INFO KdbpSymFindCachedFile(PUNICODE_STRING ModName);
|
|
|
|
static BOOLEAN
|
|
KdbpCmdPrintStruct(
|
|
ULONG Argc,
|
|
PCHAR Argv[])
|
|
{
|
|
ULONG i;
|
|
ULONGLONG Result = 0;
|
|
PVOID BaseAddress = 0;
|
|
ROSSYM_AGGREGATE Aggregate = {0};
|
|
UNICODE_STRING ModName = {0};
|
|
ANSI_STRING AnsiName = {0};
|
|
CHAR Indent[100] = {0};
|
|
PROSSYM_INFO Info;
|
|
|
|
if (Argc < 3) goto end;
|
|
AnsiName.Length = AnsiName.MaximumLength = strlen(Argv[1]);
|
|
AnsiName.Buffer = Argv[1];
|
|
RtlAnsiStringToUnicodeString(&ModName, &AnsiName, TRUE);
|
|
Info = KdbpSymFindCachedFile(&ModName);
|
|
|
|
if (!Info || !RosSymAggregate(Info, Argv[2], &Aggregate)) {
|
|
DPRINT1("Could not get aggregate\n");
|
|
goto end;
|
|
}
|
|
|
|
// Get an argument for location if it was given
|
|
if (Argc > 3) {
|
|
ULONG len;
|
|
PCHAR ArgStart = Argv[3];
|
|
DPRINT1("Trying to get expression\n");
|
|
for (i = 3; i < Argc - 1; i++)
|
|
{
|
|
len = strlen(Argv[i]);
|
|
Argv[i][len] = ' ';
|
|
}
|
|
|
|
/* Evaluate the expression */
|
|
DPRINT1("Arg: %s\n", ArgStart);
|
|
if (KdbpEvaluateExpression(ArgStart, strlen(ArgStart), &Result)) {
|
|
BaseAddress = (PVOID)(ULONG_PTR)Result;
|
|
DPRINT1("BaseAddress: %p\n", BaseAddress);
|
|
}
|
|
}
|
|
DPRINT1("BaseAddress %p\n", BaseAddress);
|
|
KdbpPrintStructInternal(Info, Indent, !!BaseAddress, BaseAddress, &Aggregate);
|
|
end:
|
|
RosSymFreeAggregate(&Aggregate);
|
|
RtlFreeUnicodeString(&ModName);
|
|
return TRUE;
|
|
}
|
|
#endif
|
|
|
|
/*!\brief Retrieves the component ID corresponding to a given component name.
|
|
*
|
|
* \param ComponentName The name of the component.
|
|
* \param ComponentId Receives the component id on success.
|
|
*
|
|
* \retval TRUE Success.
|
|
* \retval FALSE Failure.
|
|
*/
|
|
static BOOLEAN
|
|
KdbpGetComponentId(
|
|
IN PCSTR ComponentName,
|
|
OUT PULONG ComponentId)
|
|
{
|
|
ULONG i;
|
|
|
|
for (i = 0; i < RTL_NUMBER_OF(ComponentTable); i++)
|
|
{
|
|
if (_stricmp(ComponentName, ComponentTable[i].Name) == 0)
|
|
{
|
|
*ComponentId = ComponentTable[i].Id;
|
|
return TRUE;
|
|
}
|
|
}
|
|
|
|
return FALSE;
|
|
}
|
|
|
|
/*!\brief Displays the list of active debug channels, or enable/disable debug channels.
|
|
*/
|
|
static BOOLEAN
|
|
KdbpCmdFilter(
|
|
ULONG Argc,
|
|
PCHAR Argv[])
|
|
{
|
|
ULONG i, j, ComponentId, Level;
|
|
ULONG set = DPFLTR_MASK, clear = DPFLTR_MASK;
|
|
PCHAR pend;
|
|
PCSTR opt, p;
|
|
|
|
static struct
|
|
{
|
|
PCSTR Name;
|
|
ULONG Level;
|
|
}
|
|
debug_classes[] =
|
|
{
|
|
{ "error", 1 << DPFLTR_ERROR_LEVEL },
|
|
{ "warning", 1 << DPFLTR_WARNING_LEVEL },
|
|
{ "trace", 1 << DPFLTR_TRACE_LEVEL },
|
|
{ "info", 1 << DPFLTR_INFO_LEVEL },
|
|
};
|
|
|
|
if (Argc <= 1)
|
|
{
|
|
/* Display the list of available debug filter components */
|
|
KdbpPrint("REMARKS:\n"
|
|
"- The 'WIN2000' system-wide debug filter component is used for DbgPrint()\n"
|
|
" messages without Component ID and Level.\n"
|
|
"- The 'DEFAULT' debug filter component is used for DbgPrint() messages with\n"
|
|
" an unknown Component ID.\n\n");
|
|
KdbpPrint("The list of debug filter components currently available on your system is:\n\n");
|
|
KdbpPrint(" Component Name Component ID\n"
|
|
" ================== ================\n");
|
|
for (i = 0; i < RTL_NUMBER_OF(ComponentTable); i++)
|
|
{
|
|
KdbpPrint("%20s 0x%08lx\n", ComponentTable[i].Name, ComponentTable[i].Id);
|
|
}
|
|
return TRUE;
|
|
}
|
|
|
|
for (i = 1; i < Argc; i++)
|
|
{
|
|
opt = Argv[i];
|
|
p = opt + strcspn(opt, "+-");
|
|
if (!p[0]) p = opt; /* Assume it's a debug channel name */
|
|
|
|
if (p > opt)
|
|
{
|
|
for (j = 0; j < RTL_NUMBER_OF(debug_classes); j++)
|
|
{
|
|
SIZE_T len = strlen(debug_classes[j].Name);
|
|
if (len != (p - opt))
|
|
continue;
|
|
if (_strnicmp(opt, debug_classes[j].Name, len) == 0) /* Found it */
|
|
{
|
|
if (*p == '+')
|
|
set |= debug_classes[j].Level;
|
|
else
|
|
clear |= debug_classes[j].Level;
|
|
break;
|
|
}
|
|
}
|
|
if (j == RTL_NUMBER_OF(debug_classes))
|
|
{
|
|
Level = strtoul(opt, &pend, 0);
|
|
if (pend != p)
|
|
{
|
|
KdbpPrint("filter: bad class name '%.*s'\n", p - opt, opt);
|
|
continue;
|
|
}
|
|
if (*p == '+')
|
|
set |= Level;
|
|
else
|
|
clear |= Level;
|
|
}
|
|
}
|
|
else
|
|
{
|
|
if (*p == '-')
|
|
clear = MAXULONG;
|
|
else
|
|
set = MAXULONG;
|
|
}
|
|
if (*p == '+' || *p == '-')
|
|
p++;
|
|
|
|
if (!KdbpGetComponentId(p, &ComponentId))
|
|
{
|
|
KdbpPrint("filter: '%s' is not a valid component name!\n", p);
|
|
return TRUE;
|
|
}
|
|
|
|
/* Get current mask value */
|
|
NtSetDebugFilterState(ComponentId, set, TRUE);
|
|
NtSetDebugFilterState(ComponentId, clear, FALSE);
|
|
}
|
|
|
|
return TRUE;
|
|
}
|
|
|
|
/*!\brief Disassembles 10 instructions at eip or given address or
|
|
* displays 16 dwords from memory at given address.
|
|
*/
|
|
static BOOLEAN
|
|
KdbpCmdDisassembleX(
|
|
ULONG Argc,
|
|
PCHAR Argv[])
|
|
{
|
|
ULONG Count;
|
|
ULONG ul;
|
|
INT i;
|
|
ULONGLONG Result = 0;
|
|
ULONG_PTR Address = KeGetContextPc(KdbCurrentTrapFrame);
|
|
LONG InstLen;
|
|
|
|
if (Argv[0][0] == 'x') /* display memory */
|
|
Count = 16;
|
|
else /* disassemble */
|
|
Count = 10;
|
|
|
|
if (Argc >= 2)
|
|
{
|
|
/* Check for [L count] part */
|
|
ul = 0;
|
|
if (strcmp(Argv[Argc-2], "L") == 0)
|
|
{
|
|
ul = strtoul(Argv[Argc-1], NULL, 0);
|
|
if (ul > 0)
|
|
{
|
|
Count = ul;
|
|
Argc -= 2;
|
|
}
|
|
}
|
|
else if (Argv[Argc-1][0] == 'L')
|
|
{
|
|
ul = strtoul(Argv[Argc-1] + 1, NULL, 0);
|
|
if (ul > 0)
|
|
{
|
|
Count = ul;
|
|
Argc--;
|
|
}
|
|
}
|
|
|
|
/* Put the remaining arguments back together */
|
|
Argc--;
|
|
for (ul = 1; ul < Argc; ul++)
|
|
{
|
|
Argv[ul][strlen(Argv[ul])] = ' ';
|
|
}
|
|
Argc++;
|
|
}
|
|
|
|
/* Evaluate the expression */
|
|
if (Argc > 1)
|
|
{
|
|
if (!KdbpEvaluateExpression(Argv[1], KdbPromptString.Length + (Argv[1]-Argv[0]), &Result))
|
|
return TRUE;
|
|
|
|
if (Result > (ULONGLONG)(~((ULONG_PTR)0)))
|
|
KdbpPrint("Warning: Address %I64x is beeing truncated\n",Result);
|
|
|
|
Address = (ULONG_PTR)Result;
|
|
}
|
|
else if (Argv[0][0] == 'x')
|
|
{
|
|
KdbpPrint("x: Address argument required.\n");
|
|
return TRUE;
|
|
}
|
|
|
|
if (Argv[0][0] == 'x')
|
|
{
|
|
/* Display dwords */
|
|
ul = 0;
|
|
|
|
while (Count > 0)
|
|
{
|
|
if (!KdbSymPrintAddress((PVOID)Address, NULL))
|
|
KdbpPrint("<%08x>:", Address);
|
|
else
|
|
KdbpPrint(":");
|
|
|
|
i = min(4, Count);
|
|
Count -= i;
|
|
|
|
while (--i >= 0)
|
|
{
|
|
if (!NT_SUCCESS(KdbpSafeReadMemory(&ul, (PVOID)Address, sizeof(ul))))
|
|
KdbpPrint(" ????????");
|
|
else
|
|
KdbpPrint(" %08x", ul);
|
|
|
|
Address += sizeof(ul);
|
|
}
|
|
|
|
KdbpPrint("\n");
|
|
}
|
|
}
|
|
else
|
|
{
|
|
/* Disassemble */
|
|
while (Count-- > 0)
|
|
{
|
|
if (!KdbSymPrintAddress((PVOID)Address, NULL))
|
|
KdbpPrint("<%08x>: ", Address);
|
|
else
|
|
KdbpPrint(": ");
|
|
|
|
InstLen = KdbpDisassemble(Address, KdbUseIntelSyntax);
|
|
if (InstLen < 0)
|
|
{
|
|
KdbpPrint("<INVALID>\n");
|
|
return TRUE;
|
|
}
|
|
|
|
KdbpPrint("\n");
|
|
Address += InstLen;
|
|
}
|
|
}
|
|
|
|
return TRUE;
|
|
}
|
|
|
|
/*!\brief Displays CPU registers.
|
|
*/
|
|
static BOOLEAN
|
|
KdbpCmdRegs(
|
|
ULONG Argc,
|
|
PCHAR Argv[])
|
|
{
|
|
PCONTEXT Context = KdbCurrentTrapFrame;
|
|
INT i;
|
|
static const PCHAR EflagsBits[32] = { " CF", NULL, " PF", " BIT3", " AF", " BIT5",
|
|
" ZF", " SF", " TF", " IF", " DF", " OF",
|
|
NULL, NULL, " NT", " BIT15", " RF", " VF",
|
|
" AC", " VIF", " VIP", " ID", " BIT22",
|
|
" BIT23", " BIT24", " BIT25", " BIT26",
|
|
" BIT27", " BIT28", " BIT29", " BIT30",
|
|
" BIT31" };
|
|
|
|
if (Argv[0][0] == 'r') /* regs */
|
|
{
|
|
#ifdef _M_IX86
|
|
KdbpPrint("CS:EIP 0x%04x:0x%08x\n"
|
|
"SS:ESP 0x%04x:0x%08x\n"
|
|
" EAX 0x%08x EBX 0x%08x\n"
|
|
" ECX 0x%08x EDX 0x%08x\n"
|
|
" ESI 0x%08x EDI 0x%08x\n"
|
|
" EBP 0x%08x\n",
|
|
Context->SegCs & 0xFFFF, Context->Eip,
|
|
Context->SegSs, Context->Esp,
|
|
Context->Eax, Context->Ebx,
|
|
Context->Ecx, Context->Edx,
|
|
Context->Esi, Context->Edi,
|
|
Context->Ebp);
|
|
#else
|
|
KdbpPrint("CS:RIP 0x%04x:0x%p\n"
|
|
"SS:RSP 0x%04x:0x%p\n"
|
|
" RAX 0x%p RBX 0x%p\n"
|
|
" RCX 0x%p RDX 0x%p\n"
|
|
" RSI 0x%p RDI 0x%p\n"
|
|
" RBP 0x%p\n",
|
|
Context->SegCs & 0xFFFF, Context->Rip,
|
|
Context->SegSs, Context->Rsp,
|
|
Context->Rax, Context->Rbx,
|
|
Context->Rcx, Context->Rdx,
|
|
Context->Rsi, Context->Rdi,
|
|
Context->Rbp);
|
|
#endif
|
|
/* Display the EFlags */
|
|
KdbpPrint("EFLAGS 0x%08x ", Context->EFlags);
|
|
for (i = 0; i < 32; i++)
|
|
{
|
|
if (i == 1)
|
|
{
|
|
if ((Context->EFlags & (1 << 1)) == 0)
|
|
KdbpPrint(" !BIT1");
|
|
}
|
|
else if (i == 12)
|
|
{
|
|
KdbpPrint(" IOPL%d", (Context->EFlags >> 12) & 3);
|
|
}
|
|
else if (i == 13)
|
|
{
|
|
}
|
|
else if ((Context->EFlags & (1 << i)) != 0)
|
|
{
|
|
KdbpPrint(EflagsBits[i]);
|
|
}
|
|
}
|
|
KdbpPrint("\n");
|
|
}
|
|
else if (Argv[0][0] == 's') /* sregs */
|
|
{
|
|
KdbpPrint("CS 0x%04x Index 0x%04x %cDT RPL%d\n",
|
|
Context->SegCs & 0xffff, (Context->SegCs & 0xffff) >> 3,
|
|
(Context->SegCs & (1 << 2)) ? 'L' : 'G', Context->SegCs & 3);
|
|
KdbpPrint("DS 0x%04x Index 0x%04x %cDT RPL%d\n",
|
|
Context->SegDs, Context->SegDs >> 3, (Context->SegDs & (1 << 2)) ? 'L' : 'G', Context->SegDs & 3);
|
|
KdbpPrint("ES 0x%04x Index 0x%04x %cDT RPL%d\n",
|
|
Context->SegEs, Context->SegEs >> 3, (Context->SegEs & (1 << 2)) ? 'L' : 'G', Context->SegEs & 3);
|
|
KdbpPrint("FS 0x%04x Index 0x%04x %cDT RPL%d\n",
|
|
Context->SegFs, Context->SegFs >> 3, (Context->SegFs & (1 << 2)) ? 'L' : 'G', Context->SegFs & 3);
|
|
KdbpPrint("GS 0x%04x Index 0x%04x %cDT RPL%d\n",
|
|
Context->SegGs, Context->SegGs >> 3, (Context->SegGs & (1 << 2)) ? 'L' : 'G', Context->SegGs & 3);
|
|
KdbpPrint("SS 0x%04x Index 0x%04x %cDT RPL%d\n",
|
|
Context->SegSs, Context->SegSs >> 3, (Context->SegSs & (1 << 2)) ? 'L' : 'G', Context->SegSs & 3);
|
|
}
|
|
else /* dregs */
|
|
{
|
|
ASSERT(Argv[0][0] == 'd');
|
|
KdbpPrint("DR0 0x%08x\n"
|
|
"DR1 0x%08x\n"
|
|
"DR2 0x%08x\n"
|
|
"DR3 0x%08x\n"
|
|
"DR6 0x%08x\n"
|
|
"DR7 0x%08x\n",
|
|
Context->Dr0, Context->Dr1, Context->Dr2, Context->Dr3,
|
|
Context->Dr6, Context->Dr7);
|
|
}
|
|
|
|
return TRUE;
|
|
}
|
|
|
|
#ifdef _M_IX86
|
|
static PKTSS
|
|
KdbpRetrieveTss(
|
|
IN USHORT TssSelector,
|
|
OUT PULONG pType OPTIONAL,
|
|
IN PKDESCRIPTOR pGdtr OPTIONAL)
|
|
{
|
|
KDESCRIPTOR Gdtr;
|
|
KGDTENTRY Desc;
|
|
PKTSS Tss;
|
|
|
|
/* Retrieve the Global Descriptor Table (user-provided or system) */
|
|
if (pGdtr)
|
|
Gdtr = *pGdtr;
|
|
else
|
|
Ke386GetGlobalDescriptorTable(&Gdtr.Limit);
|
|
|
|
/* Check limits */
|
|
if ((TssSelector & (sizeof(KGDTENTRY) - 1)) ||
|
|
(TssSelector < sizeof(KGDTENTRY)) ||
|
|
(TssSelector + sizeof(KGDTENTRY) - 1 > Gdtr.Limit))
|
|
{
|
|
return NULL;
|
|
}
|
|
|
|
/* Retrieve the descriptor */
|
|
if (!NT_SUCCESS(KdbpSafeReadMemory(&Desc,
|
|
(PVOID)(Gdtr.Base + TssSelector),
|
|
sizeof(KGDTENTRY))))
|
|
{
|
|
return NULL;
|
|
}
|
|
|
|
/* Check for TSS32(Avl) or TSS32(Busy) */
|
|
if (Desc.HighWord.Bits.Type != 9 && Desc.HighWord.Bits.Type != 11)
|
|
{
|
|
return NULL;
|
|
}
|
|
if (pType) *pType = Desc.HighWord.Bits.Type;
|
|
|
|
Tss = (PKTSS)(ULONG_PTR)(Desc.BaseLow |
|
|
Desc.HighWord.Bytes.BaseMid << 16 |
|
|
Desc.HighWord.Bytes.BaseHi << 24);
|
|
|
|
return Tss;
|
|
}
|
|
|
|
FORCEINLINE BOOLEAN
|
|
KdbpIsNestedTss(
|
|
IN USHORT TssSelector,
|
|
IN PKTSS Tss)
|
|
{
|
|
USHORT Backlink;
|
|
|
|
if (!Tss)
|
|
return FALSE;
|
|
|
|
/* Retrieve the TSS Backlink */
|
|
if (!NT_SUCCESS(KdbpSafeReadMemory(&Backlink,
|
|
(PVOID)&Tss->Backlink,
|
|
sizeof(USHORT))))
|
|
{
|
|
return FALSE;
|
|
}
|
|
|
|
return (Backlink != 0 && Backlink != TssSelector);
|
|
}
|
|
|
|
static BOOLEAN
|
|
KdbpContextFromPrevTss(
|
|
IN OUT PCONTEXT Context,
|
|
OUT PUSHORT TssSelector,
|
|
IN OUT PKTSS* pTss,
|
|
IN PKDESCRIPTOR pGdtr)
|
|
{
|
|
ULONG_PTR Eip, Ebp;
|
|
USHORT Backlink;
|
|
PKTSS Tss = *pTss;
|
|
|
|
/* Retrieve the TSS Backlink */
|
|
if (!NT_SUCCESS(KdbpSafeReadMemory(&Backlink,
|
|
(PVOID)&Tss->Backlink,
|
|
sizeof(USHORT))))
|
|
{
|
|
return FALSE;
|
|
}
|
|
|
|
/* Retrieve the parent TSS */
|
|
Tss = KdbpRetrieveTss(Backlink, NULL, pGdtr);
|
|
if (!Tss)
|
|
return FALSE;
|
|
|
|
if (!NT_SUCCESS(KdbpSafeReadMemory(&Eip,
|
|
(PVOID)&Tss->Eip,
|
|
sizeof(ULONG_PTR))))
|
|
{
|
|
return FALSE;
|
|
}
|
|
|
|
if (!NT_SUCCESS(KdbpSafeReadMemory(&Ebp,
|
|
(PVOID)&Tss->Ebp,
|
|
sizeof(ULONG_PTR))))
|
|
{
|
|
return FALSE;
|
|
}
|
|
|
|
/* Return the parent TSS and its trap frame */
|
|
*TssSelector = Backlink;
|
|
*pTss = Tss;
|
|
Context->Eip = Eip;
|
|
Context->Ebp = Ebp;
|
|
return TRUE;
|
|
}
|
|
#endif
|
|
|
|
/*!\brief Displays a backtrace.
|
|
*/
|
|
static BOOLEAN
|
|
KdbpCmdBackTrace(
|
|
ULONG Argc,
|
|
PCHAR Argv[])
|
|
{
|
|
ULONG ul;
|
|
ULONGLONG Result = 0;
|
|
CONTEXT Context = *KdbCurrentTrapFrame;
|
|
ULONG_PTR Frame = KeGetContextFrameRegister(&Context);
|
|
ULONG_PTR Address;
|
|
|
|
if (Argc >= 2)
|
|
{
|
|
/* Check for [L count] part */
|
|
ul = 0;
|
|
if (strcmp(Argv[Argc-2], "L") == 0)
|
|
{
|
|
ul = strtoul(Argv[Argc-1], NULL, 0);
|
|
if (ul > 0)
|
|
{
|
|
Argc -= 2;
|
|
}
|
|
}
|
|
else if (Argv[Argc-1][0] == 'L')
|
|
{
|
|
ul = strtoul(Argv[Argc-1] + 1, NULL, 0);
|
|
if (ul > 0)
|
|
{
|
|
Argc--;
|
|
}
|
|
}
|
|
|
|
/* Put the remaining arguments back together */
|
|
Argc--;
|
|
for (ul = 1; ul < Argc; ul++)
|
|
{
|
|
Argv[ul][strlen(Argv[ul])] = ' ';
|
|
}
|
|
Argc++;
|
|
}
|
|
|
|
/* Check if a Frame Address or Thread ID is given */
|
|
if (Argc > 1)
|
|
{
|
|
if (Argv[1][0] == '*')
|
|
{
|
|
Argv[1]++;
|
|
|
|
/* Evaluate the expression */
|
|
if (!KdbpEvaluateExpression(Argv[1], KdbPromptString.Length + (Argv[1]-Argv[0]), &Result))
|
|
return TRUE;
|
|
|
|
if (Result > (ULONGLONG)(~((ULONG_PTR)0)))
|
|
KdbpPrint("Warning: Address %I64x is beeing truncated\n", Result);
|
|
|
|
Frame = (ULONG_PTR)Result;
|
|
}
|
|
else
|
|
{
|
|
KdbpPrint("Thread backtrace not supported yet!\n");
|
|
return TRUE;
|
|
}
|
|
}
|
|
|
|
#ifdef _M_IX86
|
|
KDESCRIPTOR Gdtr;
|
|
USHORT TssSelector;
|
|
PKTSS Tss;
|
|
|
|
/* Retrieve the Global Descriptor Table */
|
|
Ke386GetGlobalDescriptorTable(&Gdtr.Limit);
|
|
|
|
/* Retrieve the current (active) TSS */
|
|
TssSelector = Ke386GetTr();
|
|
Tss = KdbpRetrieveTss(TssSelector, NULL, &Gdtr);
|
|
if (KdbpIsNestedTss(TssSelector, Tss))
|
|
{
|
|
/* Display the active TSS if it is nested */
|
|
KdbpPrint("[Active TSS 0x%04x @ 0x%p]\n", TssSelector, Tss);
|
|
}
|
|
#endif
|
|
|
|
/* If no Frame Address or Thread ID was given, try printing the function at EIP */
|
|
if (Argc <= 1)
|
|
{
|
|
KdbpPrint("Eip:\n");
|
|
if (!KdbSymPrintAddress((PVOID)KeGetContextPc(&Context), &Context))
|
|
KdbpPrint("<%p>\n", KeGetContextPc(&Context));
|
|
else
|
|
KdbpPrint("\n");
|
|
}
|
|
|
|
/* Walk through the frames */
|
|
KdbpPrint("Frames:\n");
|
|
for (;;)
|
|
{
|
|
BOOLEAN GotNextFrame;
|
|
|
|
if (Frame == 0)
|
|
goto CheckForParentTSS;
|
|
|
|
Address = 0;
|
|
if (!NT_SUCCESS(KdbpSafeReadMemory(&Address, (PVOID)(Frame + sizeof(ULONG_PTR)), sizeof(ULONG_PTR))))
|
|
{
|
|
KdbpPrint("Couldn't access memory at 0x%p!\n", Frame + sizeof(ULONG_PTR));
|
|
goto CheckForParentTSS;
|
|
}
|
|
|
|
if (Address == 0)
|
|
goto CheckForParentTSS;
|
|
|
|
GotNextFrame = NT_SUCCESS(KdbpSafeReadMemory(&Frame, (PVOID)Frame, sizeof(ULONG_PTR)));
|
|
if (GotNextFrame)
|
|
{
|
|
KeSetContextFrameRegister(&Context, Frame);
|
|
}
|
|
// else
|
|
// Frame = 0;
|
|
|
|
/* Print the location of the call instruction (assumed 5 bytes length) */
|
|
if (!KdbSymPrintAddress((PVOID)(Address - 5), &Context))
|
|
KdbpPrint("<%08x>\n", Address);
|
|
else
|
|
KdbpPrint("\n");
|
|
|
|
if (KdbOutputAborted)
|
|
break;
|
|
|
|
if (!GotNextFrame)
|
|
{
|
|
KdbpPrint("Couldn't access memory at 0x%p!\n", Frame);
|
|
goto CheckForParentTSS; // break;
|
|
}
|
|
|
|
continue;
|
|
|
|
CheckForParentTSS:
|
|
#ifndef _M_IX86
|
|
break;
|
|
#else
|
|
/*
|
|
* We have ended the stack walking for the current (active) TSS.
|
|
* Check whether this TSS was nested, and if so switch to its parent
|
|
* and walk its stack.
|
|
*/
|
|
if (!KdbpIsNestedTss(TssSelector, Tss))
|
|
break; // The TSS is not nested, we stop there.
|
|
|
|
GotNextFrame = KdbpContextFromPrevTss(&Context, &TssSelector, &Tss, &Gdtr);
|
|
if (!GotNextFrame)
|
|
{
|
|
KdbpPrint("Couldn't access parent TSS 0x%04x\n", Tss->Backlink);
|
|
break; // Cannot retrieve the parent TSS, we stop there.
|
|
}
|
|
|
|
|
|
Address = Context.Eip;
|
|
Frame = Context.Ebp;
|
|
|
|
KdbpPrint("[Parent TSS 0x%04x @ 0x%p]\n", TssSelector, Tss);
|
|
|
|
if (!KdbSymPrintAddress((PVOID)Address, &Context))
|
|
KdbpPrint("<%08x>\n", Address);
|
|
else
|
|
KdbpPrint("\n");
|
|
#endif
|
|
}
|
|
|
|
return TRUE;
|
|
}
|
|
|
|
/*!\brief Continues execution of the system/leaves KDB.
|
|
*/
|
|
static BOOLEAN
|
|
KdbpCmdContinue(
|
|
ULONG Argc,
|
|
PCHAR Argv[])
|
|
{
|
|
/* Exit the main loop */
|
|
return FALSE;
|
|
}
|
|
|
|
/*!\brief Continues execution of the system/leaves KDB.
|
|
*/
|
|
static BOOLEAN
|
|
KdbpCmdStep(
|
|
ULONG Argc,
|
|
PCHAR Argv[])
|
|
{
|
|
ULONG Count = 1;
|
|
|
|
if (Argc > 1)
|
|
{
|
|
Count = strtoul(Argv[1], NULL, 0);
|
|
if (Count == 0)
|
|
{
|
|
KdbpPrint("%s: Integer argument required\n", Argv[0]);
|
|
return TRUE;
|
|
}
|
|
}
|
|
|
|
if (Argv[0][0] == 'n')
|
|
KdbSingleStepOver = TRUE;
|
|
else
|
|
KdbSingleStepOver = FALSE;
|
|
|
|
/* Set the number of single steps and return to the interrupted code. */
|
|
KdbNumSingleSteps = Count;
|
|
|
|
return FALSE;
|
|
}
|
|
|
|
/*!\brief Lists breakpoints.
|
|
*/
|
|
static BOOLEAN
|
|
KdbpCmdBreakPointList(
|
|
ULONG Argc,
|
|
PCHAR Argv[])
|
|
{
|
|
LONG l;
|
|
ULONG_PTR Address = 0;
|
|
KDB_BREAKPOINT_TYPE Type = 0;
|
|
KDB_ACCESS_TYPE AccessType = 0;
|
|
UCHAR Size = 0;
|
|
UCHAR DebugReg = 0;
|
|
BOOLEAN Enabled = FALSE;
|
|
BOOLEAN Global = FALSE;
|
|
PEPROCESS Process = NULL;
|
|
PCHAR str1, str2, ConditionExpr, GlobalOrLocal;
|
|
CHAR Buffer[20];
|
|
|
|
l = KdbpGetNextBreakPointNr(0);
|
|
if (l < 0)
|
|
{
|
|
KdbpPrint("No breakpoints.\n");
|
|
return TRUE;
|
|
}
|
|
|
|
KdbpPrint("Breakpoints:\n");
|
|
do
|
|
{
|
|
if (!KdbpGetBreakPointInfo(l, &Address, &Type, &Size, &AccessType, &DebugReg,
|
|
&Enabled, &Global, &Process, &ConditionExpr))
|
|
{
|
|
continue;
|
|
}
|
|
|
|
if (l == KdbLastBreakPointNr)
|
|
{
|
|
str1 = "\x1b[1m*";
|
|
str2 = "\x1b[0m";
|
|
}
|
|
else
|
|
{
|
|
str1 = " ";
|
|
str2 = "";
|
|
}
|
|
|
|
if (Global)
|
|
{
|
|
GlobalOrLocal = " global";
|
|
}
|
|
else
|
|
{
|
|
GlobalOrLocal = Buffer;
|
|
sprintf(Buffer, " PID 0x%lx",
|
|
(ULONG_PTR)(Process ? Process->UniqueProcessId : INVALID_HANDLE_VALUE));
|
|
}
|
|
|
|
if (Type == KdbBreakPointSoftware || Type == KdbBreakPointTemporary)
|
|
{
|
|
KdbpPrint(" %s%03d BPX 0x%08x%s%s%s%s%s\n",
|
|
str1, l, Address,
|
|
Enabled ? "" : " disabled",
|
|
GlobalOrLocal,
|
|
ConditionExpr ? " IF " : "",
|
|
ConditionExpr ? ConditionExpr : "",
|
|
str2);
|
|
}
|
|
else if (Type == KdbBreakPointHardware)
|
|
{
|
|
if (!Enabled)
|
|
{
|
|
KdbpPrint(" %s%03d BPM 0x%08x %-5s %-5s disabled%s%s%s%s\n", str1, l, Address,
|
|
KDB_ACCESS_TYPE_TO_STRING(AccessType),
|
|
Size == 1 ? "byte" : (Size == 2 ? "word" : "dword"),
|
|
GlobalOrLocal,
|
|
ConditionExpr ? " IF " : "",
|
|
ConditionExpr ? ConditionExpr : "",
|
|
str2);
|
|
}
|
|
else
|
|
{
|
|
KdbpPrint(" %s%03d BPM 0x%08x %-5s %-5s DR%d%s%s%s%s\n", str1, l, Address,
|
|
KDB_ACCESS_TYPE_TO_STRING(AccessType),
|
|
Size == 1 ? "byte" : (Size == 2 ? "word" : "dword"),
|
|
DebugReg,
|
|
GlobalOrLocal,
|
|
ConditionExpr ? " IF " : "",
|
|
ConditionExpr ? ConditionExpr : "",
|
|
str2);
|
|
}
|
|
}
|
|
}
|
|
while ((l = KdbpGetNextBreakPointNr(l+1)) >= 0);
|
|
|
|
return TRUE;
|
|
}
|
|
|
|
/*!\brief Enables, disables or clears a breakpoint.
|
|
*/
|
|
static BOOLEAN
|
|
KdbpCmdEnableDisableClearBreakPoint(
|
|
ULONG Argc,
|
|
PCHAR Argv[])
|
|
{
|
|
PCHAR pend;
|
|
ULONG BreakPointNr;
|
|
|
|
if (Argc < 2)
|
|
{
|
|
KdbpPrint("%s: argument required\n", Argv[0]);
|
|
return TRUE;
|
|
}
|
|
|
|
pend = Argv[1];
|
|
BreakPointNr = strtoul(Argv[1], &pend, 0);
|
|
if (pend == Argv[1] || *pend != '\0')
|
|
{
|
|
KdbpPrint("%s: integer argument required\n", Argv[0]);
|
|
return TRUE;
|
|
}
|
|
|
|
if (Argv[0][1] == 'e') /* enable */
|
|
{
|
|
KdbpEnableBreakPoint(BreakPointNr, NULL);
|
|
}
|
|
else if (Argv [0][1] == 'd') /* disable */
|
|
{
|
|
KdbpDisableBreakPoint(BreakPointNr, NULL);
|
|
}
|
|
else /* clear */
|
|
{
|
|
ASSERT(Argv[0][1] == 'c');
|
|
KdbpDeleteBreakPoint(BreakPointNr, NULL);
|
|
}
|
|
|
|
return TRUE;
|
|
}
|
|
|
|
/*!\brief Sets a software or hardware (memory) breakpoint at the given address.
|
|
*/
|
|
static BOOLEAN
|
|
KdbpCmdBreakPoint(ULONG Argc, PCHAR Argv[])
|
|
{
|
|
ULONGLONG Result = 0;
|
|
ULONG_PTR Address;
|
|
KDB_BREAKPOINT_TYPE Type;
|
|
UCHAR Size = 0;
|
|
KDB_ACCESS_TYPE AccessType = 0;
|
|
ULONG AddressArgIndex, i;
|
|
LONG ConditionArgIndex;
|
|
BOOLEAN Global = TRUE;
|
|
|
|
if (Argv[0][2] == 'x') /* software breakpoint */
|
|
{
|
|
if (Argc < 2)
|
|
{
|
|
KdbpPrint("bpx: Address argument required.\n");
|
|
return TRUE;
|
|
}
|
|
|
|
AddressArgIndex = 1;
|
|
Type = KdbBreakPointSoftware;
|
|
}
|
|
else /* memory breakpoint */
|
|
{
|
|
ASSERT(Argv[0][2] == 'm');
|
|
|
|
if (Argc < 2)
|
|
{
|
|
KdbpPrint("bpm: Access type argument required (one of r, w, rw, x)\n");
|
|
return TRUE;
|
|
}
|
|
|
|
if (_stricmp(Argv[1], "x") == 0)
|
|
AccessType = KdbAccessExec;
|
|
else if (_stricmp(Argv[1], "r") == 0)
|
|
AccessType = KdbAccessRead;
|
|
else if (_stricmp(Argv[1], "w") == 0)
|
|
AccessType = KdbAccessWrite;
|
|
else if (_stricmp(Argv[1], "rw") == 0)
|
|
AccessType = KdbAccessReadWrite;
|
|
else
|
|
{
|
|
KdbpPrint("bpm: Unknown access type '%s'\n", Argv[1]);
|
|
return TRUE;
|
|
}
|
|
|
|
if (Argc < 3)
|
|
{
|
|
KdbpPrint("bpm: %s argument required.\n", AccessType == KdbAccessExec ? "Address" : "Memory size");
|
|
return TRUE;
|
|
}
|
|
|
|
AddressArgIndex = 3;
|
|
if (_stricmp(Argv[2], "byte") == 0)
|
|
Size = 1;
|
|
else if (_stricmp(Argv[2], "word") == 0)
|
|
Size = 2;
|
|
else if (_stricmp(Argv[2], "dword") == 0)
|
|
Size = 4;
|
|
else if (AccessType == KdbAccessExec)
|
|
{
|
|
Size = 1;
|
|
AddressArgIndex--;
|
|
}
|
|
else
|
|
{
|
|
KdbpPrint("bpm: Unknown memory size '%s'\n", Argv[2]);
|
|
return TRUE;
|
|
}
|
|
|
|
if (Argc <= AddressArgIndex)
|
|
{
|
|
KdbpPrint("bpm: Address argument required.\n");
|
|
return TRUE;
|
|
}
|
|
|
|
Type = KdbBreakPointHardware;
|
|
}
|
|
|
|
/* Put the arguments back together */
|
|
ConditionArgIndex = -1;
|
|
for (i = AddressArgIndex; i < (Argc-1); i++)
|
|
{
|
|
if (strcmp(Argv[i+1], "IF") == 0) /* IF found */
|
|
{
|
|
ConditionArgIndex = i + 2;
|
|
if ((ULONG)ConditionArgIndex >= Argc)
|
|
{
|
|
KdbpPrint("%s: IF requires condition expression.\n", Argv[0]);
|
|
return TRUE;
|
|
}
|
|
|
|
for (i = ConditionArgIndex; i < (Argc-1); i++)
|
|
Argv[i][strlen(Argv[i])] = ' ';
|
|
|
|
break;
|
|
}
|
|
|
|
Argv[i][strlen(Argv[i])] = ' ';
|
|
}
|
|
|
|
/* Evaluate the address expression */
|
|
if (!KdbpEvaluateExpression(Argv[AddressArgIndex],
|
|
KdbPromptString.Length + (Argv[AddressArgIndex]-Argv[0]),
|
|
&Result))
|
|
{
|
|
return TRUE;
|
|
}
|
|
|
|
if (Result > (ULONGLONG)(~((ULONG_PTR)0)))
|
|
KdbpPrint("%s: Warning: Address %I64x is beeing truncated\n", Argv[0],Result);
|
|
|
|
Address = (ULONG_PTR)Result;
|
|
|
|
KdbpInsertBreakPoint(Address, Type, Size, AccessType,
|
|
(ConditionArgIndex < 0) ? NULL : Argv[ConditionArgIndex],
|
|
Global, NULL);
|
|
|
|
return TRUE;
|
|
}
|
|
|
|
/*!\brief Lists threads or switches to another thread context.
|
|
*/
|
|
static BOOLEAN
|
|
KdbpCmdThread(
|
|
ULONG Argc,
|
|
PCHAR Argv[])
|
|
{
|
|
PLIST_ENTRY Entry;
|
|
PETHREAD Thread = NULL;
|
|
PEPROCESS Process = NULL;
|
|
BOOLEAN ReferencedThread = FALSE, ReferencedProcess = FALSE;
|
|
PULONG_PTR Stack;
|
|
PULONG_PTR Frame;
|
|
ULONG_PTR Pc;
|
|
ULONG_PTR ul = 0;
|
|
PCHAR State, pend, str1, str2;
|
|
static const PCHAR ThreadStateToString[DeferredReady+1] =
|
|
{
|
|
"Initialized", "Ready", "Running",
|
|
"Standby", "Terminated", "Waiting",
|
|
"Transition", "DeferredReady"
|
|
};
|
|
|
|
ASSERT(KdbCurrentProcess);
|
|
|
|
if (Argc >= 2 && _stricmp(Argv[1], "list") == 0)
|
|
{
|
|
Process = KdbCurrentProcess;
|
|
|
|
if (Argc >= 3)
|
|
{
|
|
ul = strtoulptr(Argv[2], &pend, 0);
|
|
if (Argv[2] == pend)
|
|
{
|
|
KdbpPrint("thread: '%s' is not a valid process id!\n", Argv[2]);
|
|
return TRUE;
|
|
}
|
|
|
|
if (!NT_SUCCESS(PsLookupProcessByProcessId((PVOID)ul, &Process)))
|
|
{
|
|
KdbpPrint("thread: Invalid process id!\n");
|
|
return TRUE;
|
|
}
|
|
|
|
/* Remember our reference */
|
|
ReferencedProcess = TRUE;
|
|
}
|
|
|
|
Entry = Process->ThreadListHead.Flink;
|
|
if (Entry == &Process->ThreadListHead)
|
|
{
|
|
if (Argc >= 3)
|
|
KdbpPrint("No threads in process 0x%px!\n", (PVOID)ul);
|
|
else
|
|
KdbpPrint("No threads in current process!\n");
|
|
|
|
if (ReferencedProcess)
|
|
ObDereferenceObject(Process);
|
|
|
|
return TRUE;
|
|
}
|
|
|
|
KdbpPrint(" TID State Prior. Affinity EBP EIP\n");
|
|
do
|
|
{
|
|
Thread = CONTAINING_RECORD(Entry, ETHREAD, ThreadListEntry);
|
|
|
|
if (Thread == KdbCurrentThread)
|
|
{
|
|
str1 = "\x1b[1m*";
|
|
str2 = "\x1b[0m";
|
|
}
|
|
else
|
|
{
|
|
str1 = " ";
|
|
str2 = "";
|
|
}
|
|
|
|
if (!Thread->Tcb.InitialStack)
|
|
{
|
|
/* Thread has no kernel stack (probably terminated) */
|
|
Stack = Frame = NULL;
|
|
Pc = 0;
|
|
}
|
|
else if (Thread->Tcb.TrapFrame)
|
|
{
|
|
Stack = (PULONG_PTR)KeGetTrapFrameStackRegister(Thread->Tcb.TrapFrame);
|
|
Frame = (PULONG_PTR)KeGetTrapFrameFrameRegister(Thread->Tcb.TrapFrame);
|
|
Pc = KeGetTrapFramePc(Thread->Tcb.TrapFrame);
|
|
}
|
|
else
|
|
{
|
|
Stack = (PULONG_PTR)Thread->Tcb.KernelStack;
|
|
Frame = (PULONG_PTR)Stack[4];
|
|
Pc = 0;
|
|
|
|
if (Frame) /* FIXME: Should we attach to the process to read Ebp[1]? */
|
|
KdbpSafeReadMemory(&Pc, Frame + 1, sizeof(Pc));
|
|
}
|
|
|
|
if (Thread->Tcb.State < (DeferredReady + 1))
|
|
State = ThreadStateToString[Thread->Tcb.State];
|
|
else
|
|
State = "Unknown";
|
|
|
|
KdbpPrint(" %s0x%08x %-11s %3d 0x%08x 0x%08x 0x%08x%s\n",
|
|
str1,
|
|
Thread->Cid.UniqueThread,
|
|
State,
|
|
Thread->Tcb.Priority,
|
|
Thread->Tcb.Affinity,
|
|
Frame,
|
|
Pc,
|
|
str2);
|
|
|
|
Entry = Entry->Flink;
|
|
}
|
|
while (Entry != &Process->ThreadListHead);
|
|
|
|
/* Release our reference, if any */
|
|
if (ReferencedProcess)
|
|
ObDereferenceObject(Process);
|
|
}
|
|
else if (Argc >= 2 && _stricmp(Argv[1], "attach") == 0)
|
|
{
|
|
if (Argc < 3)
|
|
{
|
|
KdbpPrint("thread attach: thread id argument required!\n");
|
|
return TRUE;
|
|
}
|
|
|
|
ul = strtoulptr(Argv[2], &pend, 0);
|
|
if (Argv[2] == pend)
|
|
{
|
|
KdbpPrint("thread attach: '%s' is not a valid thread id!\n", Argv[2]);
|
|
return TRUE;
|
|
}
|
|
|
|
if (!KdbpAttachToThread((PVOID)ul))
|
|
{
|
|
return TRUE;
|
|
}
|
|
|
|
KdbpPrint("Attached to thread 0x%08x.\n", ul);
|
|
}
|
|
else
|
|
{
|
|
Thread = KdbCurrentThread;
|
|
|
|
if (Argc >= 2)
|
|
{
|
|
ul = strtoulptr(Argv[1], &pend, 0);
|
|
if (Argv[1] == pend)
|
|
{
|
|
KdbpPrint("thread: '%s' is not a valid thread id!\n", Argv[1]);
|
|
return TRUE;
|
|
}
|
|
|
|
if (!NT_SUCCESS(PsLookupThreadByThreadId((PVOID)ul, &Thread)))
|
|
{
|
|
KdbpPrint("thread: Invalid thread id!\n");
|
|
return TRUE;
|
|
}
|
|
|
|
/* Remember our reference */
|
|
ReferencedThread = TRUE;
|
|
}
|
|
|
|
if (Thread->Tcb.State < (DeferredReady + 1))
|
|
State = ThreadStateToString[Thread->Tcb.State];
|
|
else
|
|
State = "Unknown";
|
|
|
|
KdbpPrint("%s"
|
|
" TID: 0x%08x\n"
|
|
" State: %s (0x%x)\n"
|
|
" Priority: %d\n"
|
|
" Affinity: 0x%08x\n"
|
|
" Initial Stack: 0x%08x\n"
|
|
" Stack Limit: 0x%08x\n"
|
|
" Stack Base: 0x%08x\n"
|
|
" Kernel Stack: 0x%08x\n"
|
|
" Trap Frame: 0x%08x\n"
|
|
#ifndef _M_AMD64
|
|
" NPX State: %s (0x%x)\n"
|
|
#endif
|
|
, (Argc < 2) ? "Current Thread:\n" : ""
|
|
, Thread->Cid.UniqueThread
|
|
, State, Thread->Tcb.State
|
|
, Thread->Tcb.Priority
|
|
, Thread->Tcb.Affinity
|
|
, Thread->Tcb.InitialStack
|
|
, Thread->Tcb.StackLimit
|
|
, Thread->Tcb.StackBase
|
|
, Thread->Tcb.KernelStack
|
|
, Thread->Tcb.TrapFrame
|
|
#ifndef _M_AMD64
|
|
, NPX_STATE_TO_STRING(Thread->Tcb.NpxState), Thread->Tcb.NpxState
|
|
#endif
|
|
);
|
|
|
|
/* Release our reference if we had one */
|
|
if (ReferencedThread)
|
|
ObDereferenceObject(Thread);
|
|
}
|
|
|
|
return TRUE;
|
|
}
|
|
|
|
/*!\brief Lists processes or switches to another process context.
|
|
*/
|
|
static BOOLEAN
|
|
KdbpCmdProc(
|
|
ULONG Argc,
|
|
PCHAR Argv[])
|
|
{
|
|
PLIST_ENTRY Entry;
|
|
PEPROCESS Process;
|
|
BOOLEAN ReferencedProcess = FALSE;
|
|
PCHAR State, pend, str1, str2;
|
|
ULONG_PTR ul;
|
|
extern LIST_ENTRY PsActiveProcessHead;
|
|
|
|
if (Argc >= 2 && _stricmp(Argv[1], "list") == 0)
|
|
{
|
|
Entry = PsActiveProcessHead.Flink;
|
|
if (!Entry || Entry == &PsActiveProcessHead)
|
|
{
|
|
KdbpPrint("No processes in the system!\n");
|
|
return TRUE;
|
|
}
|
|
|
|
KdbpPrint(" PID State Filename\n");
|
|
do
|
|
{
|
|
Process = CONTAINING_RECORD(Entry, EPROCESS, ActiveProcessLinks);
|
|
|
|
if (Process == KdbCurrentProcess)
|
|
{
|
|
str1 = "\x1b[1m*";
|
|
str2 = "\x1b[0m";
|
|
}
|
|
else
|
|
{
|
|
str1 = " ";
|
|
str2 = "";
|
|
}
|
|
|
|
State = ((Process->Pcb.State == ProcessInMemory) ? "In Memory" :
|
|
((Process->Pcb.State == ProcessOutOfMemory) ? "Out of Memory" : "In Transition"));
|
|
|
|
KdbpPrint(" %s0x%08x %-10s %s%s\n",
|
|
str1,
|
|
Process->UniqueProcessId,
|
|
State,
|
|
Process->ImageFileName,
|
|
str2);
|
|
|
|
Entry = Entry->Flink;
|
|
}
|
|
while(Entry != &PsActiveProcessHead);
|
|
}
|
|
else if (Argc >= 2 && _stricmp(Argv[1], "attach") == 0)
|
|
{
|
|
if (Argc < 3)
|
|
{
|
|
KdbpPrint("process attach: process id argument required!\n");
|
|
return TRUE;
|
|
}
|
|
|
|
ul = strtoulptr(Argv[2], &pend, 0);
|
|
if (Argv[2] == pend)
|
|
{
|
|
KdbpPrint("process attach: '%s' is not a valid process id!\n", Argv[2]);
|
|
return TRUE;
|
|
}
|
|
|
|
if (!KdbpAttachToProcess((PVOID)ul))
|
|
{
|
|
return TRUE;
|
|
}
|
|
|
|
KdbpPrint("Attached to process 0x%p, thread 0x%p.\n", (PVOID)ul,
|
|
KdbCurrentThread->Cid.UniqueThread);
|
|
}
|
|
else
|
|
{
|
|
Process = KdbCurrentProcess;
|
|
|
|
if (Argc >= 2)
|
|
{
|
|
ul = strtoulptr(Argv[1], &pend, 0);
|
|
if (Argv[1] == pend)
|
|
{
|
|
KdbpPrint("proc: '%s' is not a valid process id!\n", Argv[1]);
|
|
return TRUE;
|
|
}
|
|
|
|
if (!NT_SUCCESS(PsLookupProcessByProcessId((PVOID)ul, &Process)))
|
|
{
|
|
KdbpPrint("proc: Invalid process id!\n");
|
|
return TRUE;
|
|
}
|
|
|
|
/* Remember our reference */
|
|
ReferencedProcess = TRUE;
|
|
}
|
|
|
|
State = ((Process->Pcb.State == ProcessInMemory) ? "In Memory" :
|
|
((Process->Pcb.State == ProcessOutOfMemory) ? "Out of Memory" : "In Transition"));
|
|
KdbpPrint("%s"
|
|
" PID: 0x%08x\n"
|
|
" State: %s (0x%x)\n"
|
|
" Image Filename: %s\n",
|
|
(Argc < 2) ? "Current process:\n" : "",
|
|
Process->UniqueProcessId,
|
|
State, Process->Pcb.State,
|
|
Process->ImageFileName);
|
|
|
|
/* Release our reference, if any */
|
|
if (ReferencedProcess)
|
|
ObDereferenceObject(Process);
|
|
}
|
|
|
|
return TRUE;
|
|
}
|
|
|
|
/*!\brief Lists loaded modules or the one containing the specified address.
|
|
*/
|
|
static BOOLEAN
|
|
KdbpCmdMod(
|
|
ULONG Argc,
|
|
PCHAR Argv[])
|
|
{
|
|
ULONGLONG Result = 0;
|
|
ULONG_PTR Address;
|
|
PLDR_DATA_TABLE_ENTRY LdrEntry;
|
|
BOOLEAN DisplayOnlyOneModule = FALSE;
|
|
INT i = 0;
|
|
|
|
if (Argc >= 2)
|
|
{
|
|
/* Put the arguments back together */
|
|
Argc--;
|
|
while (--Argc >= 1)
|
|
Argv[Argc][strlen(Argv[Argc])] = ' ';
|
|
|
|
/* Evaluate the expression */
|
|
if (!KdbpEvaluateExpression(Argv[1], KdbPromptString.Length + (Argv[1]-Argv[0]), &Result))
|
|
{
|
|
return TRUE;
|
|
}
|
|
|
|
if (Result > (ULONGLONG)(~((ULONG_PTR)0)))
|
|
KdbpPrint("%s: Warning: Address %I64x is beeing truncated\n", Argv[0],Result);
|
|
|
|
Address = (ULONG_PTR)Result;
|
|
|
|
if (!KdbpSymFindModule((PVOID)Address, NULL, -1, &LdrEntry))
|
|
{
|
|
KdbpPrint("No module containing address 0x%p found!\n", Address);
|
|
return TRUE;
|
|
}
|
|
|
|
DisplayOnlyOneModule = TRUE;
|
|
}
|
|
else
|
|
{
|
|
if (!KdbpSymFindModule(NULL, NULL, 0, &LdrEntry))
|
|
{
|
|
ULONG_PTR ntoskrnlBase = ((ULONG_PTR)KdbpCmdMod) & 0xfff00000;
|
|
KdbpPrint(" Base Size Name\n");
|
|
KdbpPrint(" %08x %08x %s\n", ntoskrnlBase, 0, "ntoskrnl.exe");
|
|
return TRUE;
|
|
}
|
|
|
|
i = 1;
|
|
}
|
|
|
|
KdbpPrint(" Base Size Name\n");
|
|
for (;;)
|
|
{
|
|
KdbpPrint(" %08x %08x %wZ\n", LdrEntry->DllBase, LdrEntry->SizeOfImage, &LdrEntry->BaseDllName);
|
|
|
|
if(DisplayOnlyOneModule || !KdbpSymFindModule(NULL, NULL, i++, &LdrEntry))
|
|
break;
|
|
}
|
|
|
|
return TRUE;
|
|
}
|
|
|
|
/*!\brief Displays GDT, LDT or IDT.
|
|
*/
|
|
static BOOLEAN
|
|
KdbpCmdGdtLdtIdt(
|
|
ULONG Argc,
|
|
PCHAR Argv[])
|
|
{
|
|
KDESCRIPTOR Reg;
|
|
ULONG SegDesc[2];
|
|
ULONG SegBase;
|
|
ULONG SegLimit;
|
|
PCHAR SegType;
|
|
USHORT SegSel;
|
|
UCHAR Type, Dpl;
|
|
INT i;
|
|
ULONG ul;
|
|
|
|
if (Argv[0][0] == 'i')
|
|
{
|
|
/* Read IDTR */
|
|
__sidt(&Reg.Limit);
|
|
|
|
if (Reg.Limit < 7)
|
|
{
|
|
KdbpPrint("Interrupt descriptor table is empty.\n");
|
|
return TRUE;
|
|
}
|
|
|
|
KdbpPrint("IDT Base: 0x%08x Limit: 0x%04x\n", Reg.Base, Reg.Limit);
|
|
KdbpPrint(" Idx Type Seg. Sel. Offset DPL\n");
|
|
|
|
for (i = 0; (i + sizeof(SegDesc) - 1) <= Reg.Limit; i += 8)
|
|
{
|
|
if (!NT_SUCCESS(KdbpSafeReadMemory(SegDesc, (PVOID)((ULONG_PTR)Reg.Base + i), sizeof(SegDesc))))
|
|
{
|
|
KdbpPrint("Couldn't access memory at 0x%p!\n", (PVOID)((ULONG_PTR)Reg.Base + i));
|
|
return TRUE;
|
|
}
|
|
|
|
Dpl = ((SegDesc[1] >> 13) & 3);
|
|
if ((SegDesc[1] & 0x1f00) == 0x0500) /* Task gate */
|
|
SegType = "TASKGATE";
|
|
else if ((SegDesc[1] & 0x1fe0) == 0x0e00) /* 32 bit Interrupt gate */
|
|
SegType = "INTGATE32";
|
|
else if ((SegDesc[1] & 0x1fe0) == 0x0600) /* 16 bit Interrupt gate */
|
|
SegType = "INTGATE16";
|
|
else if ((SegDesc[1] & 0x1fe0) == 0x0f00) /* 32 bit Trap gate */
|
|
SegType = "TRAPGATE32";
|
|
else if ((SegDesc[1] & 0x1fe0) == 0x0700) /* 16 bit Trap gate */
|
|
SegType = "TRAPGATE16";
|
|
else
|
|
SegType = "UNKNOWN";
|
|
|
|
if ((SegDesc[1] & (1 << 15)) == 0) /* not present */
|
|
{
|
|
KdbpPrint(" %03d %-10s [NP] [NP] %02d\n",
|
|
i / 8, SegType, Dpl);
|
|
}
|
|
else if ((SegDesc[1] & 0x1f00) == 0x0500) /* Task gate */
|
|
{
|
|
SegSel = SegDesc[0] >> 16;
|
|
KdbpPrint(" %03d %-10s 0x%04x %02d\n",
|
|
i / 8, SegType, SegSel, Dpl);
|
|
}
|
|
else
|
|
{
|
|
SegSel = SegDesc[0] >> 16;
|
|
SegBase = (SegDesc[1] & 0xffff0000) | (SegDesc[0] & 0x0000ffff);
|
|
KdbpPrint(" %03d %-10s 0x%04x 0x%08x %02d\n",
|
|
i / 8, SegType, SegSel, SegBase, Dpl);
|
|
}
|
|
}
|
|
}
|
|
else
|
|
{
|
|
ul = 0;
|
|
|
|
if (Argv[0][0] == 'g')
|
|
{
|
|
/* Read GDTR */
|
|
Ke386GetGlobalDescriptorTable(&Reg.Limit);
|
|
i = 8;
|
|
}
|
|
else
|
|
{
|
|
ASSERT(Argv[0][0] == 'l');
|
|
|
|
/* Read LDTR */
|
|
Ke386GetLocalDescriptorTable(&Reg.Limit);
|
|
Reg.Base = 0;
|
|
i = 0;
|
|
ul = 1 << 2;
|
|
}
|
|
|
|
if (Reg.Limit < 7)
|
|
{
|
|
KdbpPrint("%s descriptor table is empty.\n",
|
|
Argv[0][0] == 'g' ? "Global" : "Local");
|
|
return TRUE;
|
|
}
|
|
|
|
KdbpPrint("%cDT Base: 0x%08x Limit: 0x%04x\n",
|
|
Argv[0][0] == 'g' ? 'G' : 'L', Reg.Base, Reg.Limit);
|
|
KdbpPrint(" Idx Sel. Type Base Limit DPL Attribs\n");
|
|
|
|
for (; (i + sizeof(SegDesc) - 1) <= Reg.Limit; i += 8)
|
|
{
|
|
if (!NT_SUCCESS(KdbpSafeReadMemory(SegDesc, (PVOID)((ULONG_PTR)Reg.Base + i), sizeof(SegDesc))))
|
|
{
|
|
KdbpPrint("Couldn't access memory at 0x%p!\n", (ULONG_PTR)Reg.Base + i);
|
|
return TRUE;
|
|
}
|
|
|
|
Dpl = ((SegDesc[1] >> 13) & 3);
|
|
Type = ((SegDesc[1] >> 8) & 0xf);
|
|
|
|
SegBase = SegDesc[0] >> 16;
|
|
SegBase |= (SegDesc[1] & 0xff) << 16;
|
|
SegBase |= SegDesc[1] & 0xff000000;
|
|
SegLimit = SegDesc[0] & 0x0000ffff;
|
|
SegLimit |= (SegDesc[1] >> 16) & 0xf;
|
|
|
|
if ((SegDesc[1] & (1 << 23)) != 0)
|
|
{
|
|
SegLimit *= 4096;
|
|
SegLimit += 4095;
|
|
}
|
|
else
|
|
{
|
|
SegLimit++;
|
|
}
|
|
|
|
if ((SegDesc[1] & (1 << 12)) == 0) /* System segment */
|
|
{
|
|
switch (Type)
|
|
{
|
|
case 1: SegType = "TSS16(Avl)"; break;
|
|
case 2: SegType = "LDT"; break;
|
|
case 3: SegType = "TSS16(Busy)"; break;
|
|
case 4: SegType = "CALLGATE16"; break;
|
|
case 5: SegType = "TASKGATE"; break;
|
|
case 6: SegType = "INTGATE16"; break;
|
|
case 7: SegType = "TRAPGATE16"; break;
|
|
case 9: SegType = "TSS32(Avl)"; break;
|
|
case 11: SegType = "TSS32(Busy)"; break;
|
|
case 12: SegType = "CALLGATE32"; break;
|
|
case 14: SegType = "INTGATE32"; break;
|
|
case 15: SegType = "TRAPGATE32"; break;
|
|
default: SegType = "UNKNOWN"; break;
|
|
}
|
|
|
|
if (!(Type >= 1 && Type <= 3) &&
|
|
Type != 9 && Type != 11)
|
|
{
|
|
SegBase = 0;
|
|
SegLimit = 0;
|
|
}
|
|
}
|
|
else if ((SegDesc[1] & (1 << 11)) == 0) /* Data segment */
|
|
{
|
|
if ((SegDesc[1] & (1 << 22)) != 0)
|
|
SegType = "DATA32";
|
|
else
|
|
SegType = "DATA16";
|
|
}
|
|
else /* Code segment */
|
|
{
|
|
if ((SegDesc[1] & (1 << 22)) != 0)
|
|
SegType = "CODE32";
|
|
else
|
|
SegType = "CODE16";
|
|
}
|
|
|
|
if ((SegDesc[1] & (1 << 15)) == 0) /* Not present */
|
|
{
|
|
KdbpPrint(" %03d 0x%04x %-11s [NP] [NP] %02d NP\n",
|
|
i / 8, i | Dpl | ul, SegType, Dpl);
|
|
}
|
|
else
|
|
{
|
|
KdbpPrint(" %03d 0x%04x %-11s 0x%08x 0x%08x %02d ",
|
|
i / 8, i | Dpl | ul, SegType, SegBase, SegLimit, Dpl);
|
|
|
|
if ((SegDesc[1] & (1 << 12)) == 0) /* System segment */
|
|
{
|
|
/* FIXME: Display system segment */
|
|
}
|
|
else if ((SegDesc[1] & (1 << 11)) == 0) /* Data segment */
|
|
{
|
|
if ((SegDesc[1] & (1 << 10)) != 0) /* Expand-down */
|
|
KdbpPrint(" E");
|
|
|
|
KdbpPrint((SegDesc[1] & (1 << 9)) ? " R/W" : " R");
|
|
|
|
if ((SegDesc[1] & (1 << 8)) != 0)
|
|
KdbpPrint(" A");
|
|
}
|
|
else /* Code segment */
|
|
{
|
|
if ((SegDesc[1] & (1 << 10)) != 0) /* Conforming */
|
|
KdbpPrint(" C");
|
|
|
|
KdbpPrint((SegDesc[1] & (1 << 9)) ? " R/X" : " X");
|
|
|
|
if ((SegDesc[1] & (1 << 8)) != 0)
|
|
KdbpPrint(" A");
|
|
}
|
|
|
|
if ((SegDesc[1] & (1 << 20)) != 0)
|
|
KdbpPrint(" AVL");
|
|
|
|
KdbpPrint("\n");
|
|
}
|
|
}
|
|
}
|
|
|
|
return TRUE;
|
|
}
|
|
|
|
/*!\brief Displays the KPCR
|
|
*/
|
|
static BOOLEAN
|
|
KdbpCmdPcr(
|
|
ULONG Argc,
|
|
PCHAR Argv[])
|
|
{
|
|
PKIPCR Pcr = (PKIPCR)KeGetPcr();
|
|
|
|
KdbpPrint("Current PCR is at 0x%p.\n", Pcr);
|
|
KdbpPrint(" Tib.ExceptionList: 0x%08x\n"
|
|
" Tib.StackBase: 0x%08x\n"
|
|
" Tib.StackLimit: 0x%08x\n"
|
|
" Tib.SubSystemTib: 0x%08x\n"
|
|
" Tib.FiberData/Version: 0x%08x\n"
|
|
" Tib.ArbitraryUserPointer: 0x%08x\n"
|
|
" Tib.Self: 0x%08x\n"
|
|
#ifdef _M_IX86
|
|
" SelfPcr: 0x%08x\n"
|
|
#else
|
|
" Self: 0x%p\n"
|
|
#endif
|
|
" PCRCB: 0x%08x\n"
|
|
" Irql: 0x%02x\n"
|
|
#ifdef _M_IX86
|
|
" IRR: 0x%08x\n"
|
|
" IrrActive: 0x%08x\n"
|
|
" IDR: 0x%08x\n"
|
|
#endif
|
|
" KdVersionBlock: 0x%08x\n"
|
|
#ifdef _M_IX86
|
|
" IDT: 0x%08x\n"
|
|
" GDT: 0x%08x\n"
|
|
" TSS: 0x%08x\n"
|
|
#endif
|
|
" MajorVersion: 0x%04x\n"
|
|
" MinorVersion: 0x%04x\n"
|
|
#ifdef _M_IX86
|
|
" SetMember: 0x%08x\n"
|
|
#endif
|
|
" StallScaleFactor: 0x%08x\n"
|
|
#ifdef _M_IX86
|
|
" Number: 0x%02x\n"
|
|
#endif
|
|
" L2CacheAssociativity: 0x%02x\n"
|
|
#ifdef _M_IX86
|
|
" VdmAlert: 0x%08x\n"
|
|
#endif
|
|
" L2CacheSize: 0x%08x\n"
|
|
#ifdef _M_IX86
|
|
" InterruptMode: 0x%08x\n"
|
|
#endif
|
|
, Pcr->NtTib.ExceptionList, Pcr->NtTib.StackBase, Pcr->NtTib.StackLimit,
|
|
Pcr->NtTib.SubSystemTib, Pcr->NtTib.FiberData, Pcr->NtTib.ArbitraryUserPointer,
|
|
Pcr->NtTib.Self
|
|
#ifdef _M_IX86
|
|
, Pcr->SelfPcr
|
|
#else
|
|
, Pcr->Self
|
|
#endif
|
|
, Pcr->Prcb, Pcr->Irql
|
|
#ifdef _M_IX86
|
|
, Pcr->IRR, Pcr->IrrActive , Pcr->IDR
|
|
#endif
|
|
, Pcr->KdVersionBlock
|
|
#ifdef _M_IX86
|
|
, Pcr->IDT, Pcr->GDT, Pcr->TSS
|
|
#endif
|
|
, Pcr->MajorVersion, Pcr->MinorVersion
|
|
#ifdef _M_IX86
|
|
, Pcr->SetMember
|
|
#endif
|
|
, Pcr->StallScaleFactor
|
|
#ifdef _M_IX86
|
|
, Pcr->Number
|
|
#endif
|
|
, Pcr->SecondLevelCacheAssociativity
|
|
#ifdef _M_IX86
|
|
, Pcr->VdmAlert
|
|
#endif
|
|
, Pcr->SecondLevelCacheSize
|
|
#ifdef _M_IX86
|
|
, Pcr->InterruptMode
|
|
#endif
|
|
);
|
|
|
|
|
|
return TRUE;
|
|
}
|
|
|
|
#ifdef _M_IX86
|
|
/*!\brief Displays the TSS
|
|
*/
|
|
static BOOLEAN
|
|
KdbpCmdTss(
|
|
ULONG Argc,
|
|
PCHAR Argv[])
|
|
{
|
|
USHORT TssSelector;
|
|
PKTSS Tss = NULL;
|
|
|
|
if (Argc >= 2)
|
|
{
|
|
/*
|
|
* Specified TSS via its selector [selector] or descriptor address [*descaddr].
|
|
* Note that we ignore any other argument values.
|
|
*/
|
|
PCHAR Param, pszNext;
|
|
ULONG ulValue;
|
|
|
|
Param = Argv[1];
|
|
if (Argv[1][0] == '*')
|
|
++Param;
|
|
|
|
ulValue = strtoul(Param, &pszNext, 0);
|
|
if (pszNext && *pszNext)
|
|
{
|
|
KdbpPrint("Invalid TSS specification.\n");
|
|
return TRUE;
|
|
}
|
|
|
|
if (Argv[1][0] == '*')
|
|
{
|
|
/* Descriptor specified */
|
|
TssSelector = 0; // Unknown selector!
|
|
// TODO: Room for improvement: Find the TSS descriptor
|
|
// in the GDT so as to validate it.
|
|
Tss = (PKTSS)(ULONG_PTR)ulValue;
|
|
if (!Tss)
|
|
{
|
|
KdbpPrint("Invalid 32-bit TSS descriptor.\n");
|
|
return TRUE;
|
|
}
|
|
}
|
|
else
|
|
{
|
|
/* Selector specified, retrive the corresponding TSS */
|
|
TssSelector = (USHORT)ulValue;
|
|
Tss = KdbpRetrieveTss(TssSelector, NULL, NULL);
|
|
if (!Tss)
|
|
{
|
|
KdbpPrint("Invalid 32-bit TSS selector.\n");
|
|
return TRUE;
|
|
}
|
|
}
|
|
}
|
|
|
|
if (!Tss)
|
|
{
|
|
/* If no TSS was specified, use the current TSS descriptor */
|
|
TssSelector = Ke386GetTr();
|
|
Tss = KeGetPcr()->TSS;
|
|
// NOTE: If everything works OK, Tss is the current TSS corresponding to the TR selector.
|
|
}
|
|
|
|
KdbpPrint("%s TSS 0x%04x is at 0x%p.\n",
|
|
(Tss == KeGetPcr()->TSS) ? "Current" : "Specified", TssSelector, Tss);
|
|
KdbpPrint(" Backlink: 0x%04x\n"
|
|
" Ss0:Esp0: 0x%04x:0x%08x\n"
|
|
// NOTE: Ss1:Esp1 and Ss2:Esp2: are in the NotUsed1 field.
|
|
" CR3: 0x%08x\n"
|
|
" EFlags: 0x%08x\n"
|
|
" Eax: 0x%08x\n"
|
|
" Ebx: 0x%08x\n"
|
|
" Ecx: 0x%08x\n"
|
|
" Edx: 0x%08x\n"
|
|
" Esi: 0x%08x\n"
|
|
" Edi: 0x%08x\n"
|
|
" Eip: 0x%08x\n"
|
|
" Esp: 0x%08x\n"
|
|
" Ebp: 0x%08x\n"
|
|
" Cs: 0x%04x\n"
|
|
" Ss: 0x%04x\n"
|
|
" Ds: 0x%04x\n"
|
|
" Es: 0x%04x\n"
|
|
" Fs: 0x%04x\n"
|
|
" Gs: 0x%04x\n"
|
|
" LDT: 0x%04x\n"
|
|
" Flags: 0x%04x\n"
|
|
" IoMapBase: 0x%04x\n",
|
|
Tss->Backlink, Tss->Ss0, Tss->Esp0, Tss->CR3, Tss->EFlags,
|
|
Tss->Eax, Tss->Ebx, Tss->Ecx, Tss->Edx, Tss->Esi, Tss->Edi,
|
|
Tss->Eip, Tss->Esp, Tss->Ebp,
|
|
Tss->Cs, Tss->Ss, Tss->Ds, Tss->Es, Tss->Fs, Tss->Gs,
|
|
Tss->LDT, Tss->Flags, Tss->IoMapBase);
|
|
|
|
return TRUE;
|
|
}
|
|
#endif
|
|
|
|
/*!\brief Bugchecks the system.
|
|
*/
|
|
static BOOLEAN
|
|
KdbpCmdBugCheck(
|
|
ULONG Argc,
|
|
PCHAR Argv[])
|
|
{
|
|
/* Set the flag and quit looping */
|
|
KdbpBugCheckRequested = TRUE;
|
|
return FALSE;
|
|
}
|
|
|
|
static BOOLEAN
|
|
KdbpCmdReboot(
|
|
ULONG Argc,
|
|
PCHAR Argv[])
|
|
{
|
|
/* Reboot immediately (we do not return) */
|
|
HalReturnToFirmware(HalRebootRoutine);
|
|
return FALSE;
|
|
}
|
|
|
|
|
|
VOID
|
|
KdbpPager(
|
|
IN PCHAR Buffer,
|
|
IN ULONG BufLength);
|
|
|
|
/*!\brief Display debug messages on screen, with paging.
|
|
*
|
|
* Keys for per-page view: Home, End, PageUp, Arrow Up, PageDown,
|
|
* all others are as PageDown.
|
|
*/
|
|
static BOOLEAN
|
|
KdbpCmdDmesg(
|
|
ULONG Argc,
|
|
PCHAR Argv[])
|
|
{
|
|
ULONG beg, end;
|
|
|
|
KdbpIsInDmesgMode = TRUE; /* Toggle logging flag */
|
|
if (!KdpDmesgBuffer)
|
|
{
|
|
KdbpPrint("Dmesg: error, buffer is not allocated! /DEBUGPORT=SCREEN kernel param required for dmesg.\n");
|
|
return TRUE;
|
|
}
|
|
|
|
KdbpPrint("*** Dmesg *** TotalWritten=%lu, BufferSize=%lu, CurrentPosition=%lu\n",
|
|
KdbDmesgTotalWritten, KdpDmesgBufferSize, KdpDmesgCurrentPosition);
|
|
|
|
/* Pass data to the pager */
|
|
end = KdpDmesgCurrentPosition;
|
|
beg = (end + KdpDmesgFreeBytes) % KdpDmesgBufferSize;
|
|
|
|
/* No roll-overs, and overwritten=lost bytes */
|
|
if (KdbDmesgTotalWritten <= KdpDmesgBufferSize)
|
|
{
|
|
/* Show buffer (KdpDmesgBuffer + beg, num) */
|
|
KdbpPager(KdpDmesgBuffer, KdpDmesgCurrentPosition);
|
|
}
|
|
else
|
|
{
|
|
/* Show 2 buffers: (KdpDmesgBuffer + beg, KdpDmesgBufferSize - beg)
|
|
* and: (KdpDmesgBuffer, end) */
|
|
KdbpPager(KdpDmesgBuffer + beg, KdpDmesgBufferSize - beg);
|
|
KdbpPrint("*** Dmesg: buffer rollup ***\n");
|
|
KdbpPager(KdpDmesgBuffer, end);
|
|
}
|
|
KdbpPrint("*** Dmesg: end of output ***\n");
|
|
|
|
KdbpIsInDmesgMode = FALSE; /* Toggle logging flag */
|
|
|
|
return TRUE;
|
|
}
|
|
|
|
/*!\brief Sets or displays a config variables value.
|
|
*/
|
|
static BOOLEAN
|
|
KdbpCmdSet(
|
|
ULONG Argc,
|
|
PCHAR Argv[])
|
|
{
|
|
LONG l;
|
|
BOOLEAN First;
|
|
PCHAR pend = 0;
|
|
KDB_ENTER_CONDITION ConditionFirst = KdbDoNotEnter;
|
|
KDB_ENTER_CONDITION ConditionLast = KdbDoNotEnter;
|
|
|
|
static const PCHAR ExceptionNames[21] =
|
|
{
|
|
"ZERODEVIDE", "DEBUGTRAP", "NMI", "INT3", "OVERFLOW", "BOUND", "INVALIDOP",
|
|
"NOMATHCOP", "DOUBLEFAULT", "RESERVED(9)", "INVALIDTSS", "SEGMENTNOTPRESENT",
|
|
"STACKFAULT", "GPF", "PAGEFAULT", "RESERVED(15)", "MATHFAULT", "ALIGNMENTCHECK",
|
|
"MACHINECHECK", "SIMDFAULT", "OTHERS"
|
|
};
|
|
|
|
if (Argc == 1)
|
|
{
|
|
KdbpPrint("Available settings:\n");
|
|
KdbpPrint(" syntax [intel|at&t]\n");
|
|
KdbpPrint(" condition [exception|*] [first|last] [never|always|kmode|umode]\n");
|
|
KdbpPrint(" break_on_module_load [true|false]\n");
|
|
}
|
|
else if (strcmp(Argv[1], "syntax") == 0)
|
|
{
|
|
if (Argc == 2)
|
|
{
|
|
KdbpPrint("syntax = %s\n", KdbUseIntelSyntax ? "intel" : "at&t");
|
|
}
|
|
else if (Argc >= 3)
|
|
{
|
|
if (_stricmp(Argv[2], "intel") == 0)
|
|
KdbUseIntelSyntax = TRUE;
|
|
else if (_stricmp(Argv[2], "at&t") == 0)
|
|
KdbUseIntelSyntax = FALSE;
|
|
else
|
|
KdbpPrint("Unknown syntax '%s'.\n", Argv[2]);
|
|
}
|
|
}
|
|
else if (strcmp(Argv[1], "condition") == 0)
|
|
{
|
|
if (Argc == 2)
|
|
{
|
|
KdbpPrint("Conditions: (First) (Last)\n");
|
|
for (l = 0; l < RTL_NUMBER_OF(ExceptionNames) - 1; l++)
|
|
{
|
|
if (!ExceptionNames[l])
|
|
continue;
|
|
|
|
if (!KdbpGetEnterCondition(l, TRUE, &ConditionFirst))
|
|
ASSERT(FALSE);
|
|
|
|
if (!KdbpGetEnterCondition(l, FALSE, &ConditionLast))
|
|
ASSERT(FALSE);
|
|
|
|
KdbpPrint(" #%02d %-20s %-8s %-8s\n", l, ExceptionNames[l],
|
|
KDB_ENTER_CONDITION_TO_STRING(ConditionFirst),
|
|
KDB_ENTER_CONDITION_TO_STRING(ConditionLast));
|
|
}
|
|
|
|
ASSERT(l == (RTL_NUMBER_OF(ExceptionNames) - 1));
|
|
KdbpPrint(" %-20s %-8s %-8s\n", ExceptionNames[l],
|
|
KDB_ENTER_CONDITION_TO_STRING(ConditionFirst),
|
|
KDB_ENTER_CONDITION_TO_STRING(ConditionLast));
|
|
}
|
|
else
|
|
{
|
|
if (Argc >= 5 && strcmp(Argv[2], "*") == 0) /* Allow * only when setting condition */
|
|
{
|
|
l = -1;
|
|
}
|
|
else
|
|
{
|
|
l = strtoul(Argv[2], &pend, 0);
|
|
|
|
if (Argv[2] == pend)
|
|
{
|
|
for (l = 0; l < RTL_NUMBER_OF(ExceptionNames); l++)
|
|
{
|
|
if (!ExceptionNames[l])
|
|
continue;
|
|
|
|
if (_stricmp(ExceptionNames[l], Argv[2]) == 0)
|
|
break;
|
|
}
|
|
}
|
|
|
|
if (l >= RTL_NUMBER_OF(ExceptionNames))
|
|
{
|
|
KdbpPrint("Unknown exception '%s'.\n", Argv[2]);
|
|
return TRUE;
|
|
}
|
|
}
|
|
|
|
if (Argc > 4)
|
|
{
|
|
if (_stricmp(Argv[3], "first") == 0)
|
|
First = TRUE;
|
|
else if (_stricmp(Argv[3], "last") == 0)
|
|
First = FALSE;
|
|
else
|
|
{
|
|
KdbpPrint("set condition: second argument must be 'first' or 'last'\n");
|
|
return TRUE;
|
|
}
|
|
|
|
if (_stricmp(Argv[4], "never") == 0)
|
|
ConditionFirst = KdbDoNotEnter;
|
|
else if (_stricmp(Argv[4], "always") == 0)
|
|
ConditionFirst = KdbEnterAlways;
|
|
else if (_stricmp(Argv[4], "umode") == 0)
|
|
ConditionFirst = KdbEnterFromUmode;
|
|
else if (_stricmp(Argv[4], "kmode") == 0)
|
|
ConditionFirst = KdbEnterFromKmode;
|
|
else
|
|
{
|
|
KdbpPrint("set condition: third argument must be 'never', 'always', 'umode' or 'kmode'\n");
|
|
return TRUE;
|
|
}
|
|
|
|
if (!KdbpSetEnterCondition(l, First, ConditionFirst))
|
|
{
|
|
if (l >= 0)
|
|
KdbpPrint("Couldn't change condition for exception #%02d\n", l);
|
|
else
|
|
KdbpPrint("Couldn't change condition for all exceptions\n", l);
|
|
}
|
|
}
|
|
else /* Argc >= 3 */
|
|
{
|
|
if (!KdbpGetEnterCondition(l, TRUE, &ConditionFirst))
|
|
ASSERT(FALSE);
|
|
|
|
if (!KdbpGetEnterCondition(l, FALSE, &ConditionLast))
|
|
ASSERT(FALSE);
|
|
|
|
if (l < (RTL_NUMBER_OF(ExceptionNames) - 1))
|
|
{
|
|
KdbpPrint("Condition for exception #%02d (%s): FirstChance %s LastChance %s\n",
|
|
l, ExceptionNames[l],
|
|
KDB_ENTER_CONDITION_TO_STRING(ConditionFirst),
|
|
KDB_ENTER_CONDITION_TO_STRING(ConditionLast));
|
|
}
|
|
else
|
|
{
|
|
KdbpPrint("Condition for all other exceptions: FirstChance %s LastChance %s\n",
|
|
KDB_ENTER_CONDITION_TO_STRING(ConditionFirst),
|
|
KDB_ENTER_CONDITION_TO_STRING(ConditionLast));
|
|
}
|
|
}
|
|
}
|
|
}
|
|
else if (strcmp(Argv[1], "break_on_module_load") == 0)
|
|
{
|
|
if (Argc == 2)
|
|
KdbpPrint("break_on_module_load = %s\n", KdbBreakOnModuleLoad ? "enabled" : "disabled");
|
|
else if (Argc >= 3)
|
|
{
|
|
if (_stricmp(Argv[2], "enable") == 0 || _stricmp(Argv[2], "enabled") == 0 || _stricmp(Argv[2], "true") == 0)
|
|
KdbBreakOnModuleLoad = TRUE;
|
|
else if (_stricmp(Argv[2], "disable") == 0 || _stricmp(Argv[2], "disabled") == 0 || _stricmp(Argv[2], "false") == 0)
|
|
KdbBreakOnModuleLoad = FALSE;
|
|
else
|
|
KdbpPrint("Unknown setting '%s'.\n", Argv[2]);
|
|
}
|
|
}
|
|
else
|
|
{
|
|
KdbpPrint("Unknown setting '%s'.\n", Argv[1]);
|
|
}
|
|
|
|
return TRUE;
|
|
}
|
|
|
|
/*!\brief Displays help screen.
|
|
*/
|
|
static BOOLEAN
|
|
KdbpCmdHelp(
|
|
ULONG Argc,
|
|
PCHAR Argv[])
|
|
{
|
|
ULONG i;
|
|
|
|
KdbpPrint("Kernel debugger commands:\n");
|
|
for (i = 0; i < RTL_NUMBER_OF(KdbDebuggerCommands); i++)
|
|
{
|
|
if (!KdbDebuggerCommands[i].Syntax) /* Command group */
|
|
{
|
|
if (i > 0)
|
|
KdbpPrint("\n");
|
|
|
|
KdbpPrint("\x1b[7m* %s:\x1b[0m\n", KdbDebuggerCommands[i].Help);
|
|
continue;
|
|
}
|
|
|
|
KdbpPrint(" %-20s - %s\n",
|
|
KdbDebuggerCommands[i].Syntax,
|
|
KdbDebuggerCommands[i].Help);
|
|
}
|
|
|
|
return TRUE;
|
|
}
|
|
|
|
/*!\brief Prints the given string with printf-like formatting.
|
|
*
|
|
* \param Format Format of the string/arguments.
|
|
* \param ... Variable number of arguments matching the format specified in \a Format.
|
|
*
|
|
* \note Doesn't correctly handle \\t and terminal escape sequences when calculating the
|
|
* number of lines required to print a single line from the Buffer in the terminal.
|
|
* Prints maximum 4096 chars, because of its buffer size.
|
|
*/
|
|
VOID
|
|
KdbpPrint(
|
|
IN PCHAR Format,
|
|
IN ... OPTIONAL)
|
|
{
|
|
static CHAR Buffer[4096];
|
|
static BOOLEAN TerminalInitialized = FALSE;
|
|
static BOOLEAN TerminalConnected = FALSE;
|
|
static BOOLEAN TerminalReportsSize = TRUE;
|
|
CHAR c = '\0';
|
|
PCHAR p, p2;
|
|
ULONG Length;
|
|
ULONG i, j;
|
|
LONG RowsPrintedByTerminal;
|
|
ULONG ScanCode;
|
|
va_list ap;
|
|
|
|
/* Check if the user has aborted output of the current command */
|
|
if (KdbOutputAborted)
|
|
return;
|
|
|
|
/* Initialize the terminal */
|
|
if (!TerminalInitialized)
|
|
{
|
|
DbgPrint("\x1b[7h"); /* Enable linewrap */
|
|
|
|
/* Query terminal type */
|
|
/*DbgPrint("\x1b[Z");*/
|
|
DbgPrint("\x05");
|
|
|
|
TerminalInitialized = TRUE;
|
|
Length = 0;
|
|
KeStallExecutionProcessor(100000);
|
|
|
|
for (;;)
|
|
{
|
|
c = KdbpTryGetCharSerial(5000);
|
|
if (c == -1)
|
|
break;
|
|
|
|
Buffer[Length++] = c;
|
|
if (Length >= (sizeof(Buffer) - 1))
|
|
break;
|
|
}
|
|
|
|
Buffer[Length] = '\0';
|
|
if (Length > 0)
|
|
TerminalConnected = TRUE;
|
|
}
|
|
|
|
/* Get number of rows and columns in terminal */
|
|
if ((KdbNumberOfRowsTerminal < 0) || (KdbNumberOfColsTerminal < 0) ||
|
|
(KdbNumberOfRowsPrinted) == 0) /* Refresh terminal size each time when number of rows printed is 0 */
|
|
{
|
|
if ((KdbDebugState & KD_DEBUG_KDSERIAL) && TerminalConnected && TerminalReportsSize)
|
|
{
|
|
/* Try to query number of rows from terminal. A reply looks like "\x1b[8;24;80t" */
|
|
TerminalReportsSize = FALSE;
|
|
KeStallExecutionProcessor(100000);
|
|
DbgPrint("\x1b[18t");
|
|
c = KdbpTryGetCharSerial(5000);
|
|
|
|
if (c == KEY_ESC)
|
|
{
|
|
c = KdbpTryGetCharSerial(5000);
|
|
if (c == '[')
|
|
{
|
|
Length = 0;
|
|
|
|
for (;;)
|
|
{
|
|
c = KdbpTryGetCharSerial(5000);
|
|
if (c == -1)
|
|
break;
|
|
|
|
Buffer[Length++] = c;
|
|
if (isalpha(c) || Length >= (sizeof(Buffer) - 1))
|
|
break;
|
|
}
|
|
|
|
Buffer[Length] = '\0';
|
|
if (Buffer[0] == '8' && Buffer[1] == ';')
|
|
{
|
|
for (i = 2; (i < Length) && (Buffer[i] != ';'); i++);
|
|
|
|
if (Buffer[i] == ';')
|
|
{
|
|
Buffer[i++] = '\0';
|
|
|
|
/* Number of rows is now at Buffer + 2 and number of cols at Buffer + i */
|
|
KdbNumberOfRowsTerminal = strtoul(Buffer + 2, NULL, 0);
|
|
KdbNumberOfColsTerminal = strtoul(Buffer + i, NULL, 0);
|
|
TerminalReportsSize = TRUE;
|
|
}
|
|
}
|
|
}
|
|
/* Clear further characters */
|
|
while ((c = KdbpTryGetCharSerial(5000)) != -1);
|
|
}
|
|
}
|
|
|
|
if (KdbNumberOfRowsTerminal <= 0)
|
|
{
|
|
/* Set number of rows to the default. */
|
|
KdbNumberOfRowsTerminal = 23; //24; //Mna.: 23 for SCREEN debugport
|
|
}
|
|
else if (KdbNumberOfColsTerminal <= 0)
|
|
{
|
|
/* Set number of cols to the default. */
|
|
KdbNumberOfColsTerminal = 75; //80; //Mna.: 75 for SCREEN debugport
|
|
}
|
|
}
|
|
|
|
/* Get the string */
|
|
va_start(ap, Format);
|
|
Length = _vsnprintf(Buffer, sizeof(Buffer) - 1, Format, ap);
|
|
Buffer[Length] = '\0';
|
|
va_end(ap);
|
|
|
|
p = Buffer;
|
|
while (p[0] != '\0')
|
|
{
|
|
i = strcspn(p, "\n");
|
|
|
|
/* Calculate the number of lines which will be printed in the terminal
|
|
* when outputting the current line
|
|
*/
|
|
if (i > 0)
|
|
RowsPrintedByTerminal = (i + KdbNumberOfColsPrinted - 1) / KdbNumberOfColsTerminal;
|
|
else
|
|
RowsPrintedByTerminal = 0;
|
|
|
|
if (p[i] == '\n')
|
|
RowsPrintedByTerminal++;
|
|
|
|
/*DbgPrint("!%d!%d!%d!%d!", KdbNumberOfRowsPrinted, KdbNumberOfColsPrinted, i, RowsPrintedByTerminal);*/
|
|
|
|
/* Display a prompt if we printed one screen full of text */
|
|
if (KdbNumberOfRowsTerminal > 0 &&
|
|
(LONG)(KdbNumberOfRowsPrinted + RowsPrintedByTerminal) >= KdbNumberOfRowsTerminal)
|
|
{
|
|
KdbRepeatLastCommand = FALSE;
|
|
|
|
if (KdbNumberOfColsPrinted > 0)
|
|
DbgPrint("\n");
|
|
|
|
DbgPrint("--- Press q to abort, any other key to continue ---");
|
|
RowsPrintedByTerminal++; /* added by Mna. */
|
|
|
|
if (KdbDebugState & KD_DEBUG_KDSERIAL)
|
|
c = KdbpGetCharSerial();
|
|
else
|
|
c = KdbpGetCharKeyboard(&ScanCode);
|
|
|
|
if (c == '\r')
|
|
{
|
|
/* Try to read '\n' which might follow '\r' - if \n is not received here
|
|
* it will be interpreted as "return" when the next command should be read.
|
|
*/
|
|
if (KdbDebugState & KD_DEBUG_KDSERIAL)
|
|
c = KdbpTryGetCharSerial(5);
|
|
else
|
|
c = KdbpTryGetCharKeyboard(&ScanCode, 5);
|
|
}
|
|
|
|
DbgPrint("\n");
|
|
if (c == 'q')
|
|
{
|
|
KdbOutputAborted = TRUE;
|
|
return;
|
|
}
|
|
|
|
KdbNumberOfRowsPrinted = 0;
|
|
KdbNumberOfColsPrinted = 0;
|
|
}
|
|
|
|
/* Insert a NUL after the line and print only the current line. */
|
|
if (p[i] == '\n' && p[i + 1] != '\0')
|
|
{
|
|
c = p[i + 1];
|
|
p[i + 1] = '\0';
|
|
}
|
|
else
|
|
{
|
|
c = '\0';
|
|
}
|
|
|
|
/* Remove escape sequences from the line if there's no terminal connected */
|
|
if (!TerminalConnected)
|
|
{
|
|
while ((p2 = strrchr(p, '\x1b'))) /* Look for escape character */
|
|
{
|
|
size_t len = strlen(p2);
|
|
if (p2[1] == '[')
|
|
{
|
|
j = 2;
|
|
while (!isalpha(p2[j++]));
|
|
memmove(p2, p2 + j, len + 1 - j);
|
|
}
|
|
else
|
|
{
|
|
memmove(p2, p2 + 1, len);
|
|
}
|
|
}
|
|
}
|
|
|
|
DbgPrint("%s", p);
|
|
|
|
if (c != '\0')
|
|
p[i + 1] = c;
|
|
|
|
/* Set p to the start of the next line and
|
|
* remember the number of rows/cols printed
|
|
*/
|
|
p += i;
|
|
if (p[0] == '\n')
|
|
{
|
|
p++;
|
|
KdbNumberOfColsPrinted = 0;
|
|
}
|
|
else
|
|
{
|
|
ASSERT(p[0] == '\0');
|
|
KdbNumberOfColsPrinted += i;
|
|
}
|
|
|
|
KdbNumberOfRowsPrinted += RowsPrintedByTerminal;
|
|
}
|
|
}
|
|
|
|
/** memrchr(), explicitly defined, since was absent in MinGW of RosBE. */
|
|
/*
|
|
* Reverse memchr()
|
|
* Find the last occurrence of 'c' in the buffer 's' of size 'n'.
|
|
*/
|
|
void *
|
|
memrchr(const void *s, int c, size_t n)
|
|
{
|
|
const unsigned char *cp;
|
|
|
|
if (n != 0)
|
|
{
|
|
cp = (unsigned char *)s + n;
|
|
do
|
|
{
|
|
if (*(--cp) == (unsigned char)c)
|
|
return (void *)cp;
|
|
} while (--n != 0);
|
|
}
|
|
return NULL;
|
|
}
|
|
|
|
/*!\brief Calculate pointer position for N lines upper of current position.
|
|
*
|
|
* \param Buffer Characters buffer to operate on.
|
|
* \param BufLength Buffer size.
|
|
*
|
|
* \note Calculate pointer position for N lines upper of current displaying
|
|
* position within the given buffer.
|
|
*
|
|
* Used by KdbpPager().
|
|
* Now N lines count is hardcoded to KdbNumberOfRowsTerminal.
|
|
*/
|
|
PCHAR
|
|
CountOnePageUp(PCHAR Buffer, ULONG BufLength, PCHAR pCurPos)
|
|
{
|
|
PCHAR p;
|
|
// p0 is initial guess of Page Start
|
|
ULONG p0len = KdbNumberOfRowsTerminal * KdbNumberOfColsTerminal;
|
|
PCHAR p0 = pCurPos - p0len;
|
|
PCHAR prev_p = p0, p1;
|
|
ULONG j;
|
|
|
|
if (pCurPos < Buffer)
|
|
pCurPos = Buffer;
|
|
ASSERT(pCurPos <= Buffer + BufLength);
|
|
|
|
p = memrchr(p0, '\n', p0len);
|
|
if (NULL == p)
|
|
p = p0;
|
|
for (j = KdbNumberOfRowsTerminal; j--; )
|
|
{
|
|
int linesCnt;
|
|
p1 = memrchr(p0, '\n', p-p0);
|
|
prev_p = p;
|
|
p = p1;
|
|
if (NULL == p)
|
|
{
|
|
p = prev_p;
|
|
if (NULL == p)
|
|
p = p0;
|
|
break;
|
|
}
|
|
linesCnt = (KdbNumberOfColsTerminal+prev_p-p-2) / KdbNumberOfColsTerminal;
|
|
if (linesCnt > 1)
|
|
j -= linesCnt-1;
|
|
}
|
|
|
|
ASSERT(p != 0);
|
|
++p;
|
|
return p;
|
|
}
|
|
|
|
/*!\brief Prints the given string with, page by page.
|
|
*
|
|
* \param Buffer Characters buffer to print.
|
|
* \param BufferLen Buffer size.
|
|
*
|
|
* \note Doesn't correctly handle \\t and terminal escape sequences when calculating the
|
|
* number of lines required to print a single line from the Buffer in the terminal.
|
|
* Maximum length of buffer is limited only by memory size.
|
|
*
|
|
* Note: BufLength should be greater then (KdbNumberOfRowsTerminal * KdbNumberOfColsTerminal).
|
|
*
|
|
*/
|
|
VOID
|
|
KdbpPager(
|
|
IN PCHAR Buffer,
|
|
IN ULONG BufLength)
|
|
{
|
|
static CHAR InBuffer[4096];
|
|
static BOOLEAN TerminalInitialized = FALSE;
|
|
static BOOLEAN TerminalConnected = FALSE;
|
|
static BOOLEAN TerminalReportsSize = TRUE;
|
|
CHAR c = '\0';
|
|
PCHAR p, p2;
|
|
ULONG Length;
|
|
ULONG i, j;
|
|
LONG RowsPrintedByTerminal;
|
|
ULONG ScanCode;
|
|
|
|
if( BufLength == 0)
|
|
return;
|
|
|
|
/* Check if the user has aborted output of the current command */
|
|
if (KdbOutputAborted)
|
|
return;
|
|
|
|
/* Initialize the terminal */
|
|
if (!TerminalInitialized)
|
|
{
|
|
DbgPrint("\x1b[7h"); /* Enable linewrap */
|
|
|
|
/* Query terminal type */
|
|
/*DbgPrint("\x1b[Z");*/
|
|
DbgPrint("\x05");
|
|
|
|
TerminalInitialized = TRUE;
|
|
Length = 0;
|
|
KeStallExecutionProcessor(100000);
|
|
|
|
for (;;)
|
|
{
|
|
c = KdbpTryGetCharSerial(5000);
|
|
if (c == -1)
|
|
break;
|
|
|
|
InBuffer[Length++] = c;
|
|
if (Length >= (sizeof(InBuffer) - 1))
|
|
break;
|
|
}
|
|
|
|
InBuffer[Length] = '\0';
|
|
if (Length > 0)
|
|
TerminalConnected = TRUE;
|
|
}
|
|
|
|
/* Get number of rows and columns in terminal */
|
|
if ((KdbNumberOfRowsTerminal < 0) || (KdbNumberOfColsTerminal < 0) ||
|
|
(KdbNumberOfRowsPrinted) == 0) /* Refresh terminal size each time when number of rows printed is 0 */
|
|
{
|
|
if ((KdbDebugState & KD_DEBUG_KDSERIAL) && TerminalConnected && TerminalReportsSize)
|
|
{
|
|
/* Try to query number of rows from terminal. A reply looks like "\x1b[8;24;80t" */
|
|
TerminalReportsSize = FALSE;
|
|
KeStallExecutionProcessor(100000);
|
|
DbgPrint("\x1b[18t");
|
|
c = KdbpTryGetCharSerial(5000);
|
|
|
|
if (c == KEY_ESC)
|
|
{
|
|
c = KdbpTryGetCharSerial(5000);
|
|
if (c == '[')
|
|
{
|
|
Length = 0;
|
|
|
|
for (;;)
|
|
{
|
|
c = KdbpTryGetCharSerial(5000);
|
|
if (c == -1)
|
|
break;
|
|
|
|
InBuffer[Length++] = c;
|
|
if (isalpha(c) || Length >= (sizeof(InBuffer) - 1))
|
|
break;
|
|
}
|
|
|
|
InBuffer[Length] = '\0';
|
|
if (InBuffer[0] == '8' && InBuffer[1] == ';')
|
|
{
|
|
for (i = 2; (i < Length) && (InBuffer[i] != ';'); i++);
|
|
|
|
if (Buffer[i] == ';')
|
|
{
|
|
Buffer[i++] = '\0';
|
|
|
|
/* Number of rows is now at Buffer + 2 and number of cols at Buffer + i */
|
|
KdbNumberOfRowsTerminal = strtoul(InBuffer + 2, NULL, 0);
|
|
KdbNumberOfColsTerminal = strtoul(InBuffer + i, NULL, 0);
|
|
TerminalReportsSize = TRUE;
|
|
}
|
|
}
|
|
}
|
|
/* Clear further characters */
|
|
while ((c = KdbpTryGetCharSerial(5000)) != -1);
|
|
}
|
|
}
|
|
|
|
if (KdbNumberOfRowsTerminal <= 0)
|
|
{
|
|
/* Set number of rows to the default. */
|
|
KdbNumberOfRowsTerminal = 24;
|
|
}
|
|
else if (KdbNumberOfColsTerminal <= 0)
|
|
{
|
|
/* Set number of cols to the default. */
|
|
KdbNumberOfColsTerminal = 80;
|
|
}
|
|
}
|
|
|
|
/* Get the string */
|
|
p = Buffer;
|
|
|
|
while (p[0] != '\0')
|
|
{
|
|
if ( p > Buffer+BufLength)
|
|
{
|
|
DbgPrint("Dmesg: error, p > Buffer+BufLength,d=%d", p - (Buffer+BufLength));
|
|
return;
|
|
}
|
|
i = strcspn(p, "\n");
|
|
|
|
// Are we out of buffer?
|
|
if (p + i > Buffer + BufLength)
|
|
// Leaving pager function:
|
|
break;
|
|
|
|
/* Calculate the number of lines which will be printed in the terminal
|
|
* when outputting the current line.
|
|
*/
|
|
if (i > 0)
|
|
RowsPrintedByTerminal = (i + KdbNumberOfColsPrinted - 1) / KdbNumberOfColsTerminal;
|
|
else
|
|
RowsPrintedByTerminal = 0;
|
|
|
|
if (p[i] == '\n')
|
|
RowsPrintedByTerminal++;
|
|
|
|
/*DbgPrint("!%d!%d!%d!%d!", KdbNumberOfRowsPrinted, KdbNumberOfColsPrinted, i, RowsPrintedByTerminal);*/
|
|
|
|
/* Display a prompt if we printed one screen full of text */
|
|
if (KdbNumberOfRowsTerminal > 0 &&
|
|
(LONG)(KdbNumberOfRowsPrinted + RowsPrintedByTerminal) >= KdbNumberOfRowsTerminal)
|
|
{
|
|
KdbRepeatLastCommand = FALSE;
|
|
|
|
if (KdbNumberOfColsPrinted > 0)
|
|
DbgPrint("\n");
|
|
|
|
DbgPrint("--- Press q to abort, e/End,h/Home,u/PgUp, other key/PgDn ---");
|
|
RowsPrintedByTerminal++;
|
|
|
|
if (KdbDebugState & KD_DEBUG_KDSERIAL)
|
|
c = KdbpGetCharSerial();
|
|
else
|
|
c = KdbpGetCharKeyboard(&ScanCode);
|
|
|
|
if (c == '\r')
|
|
{
|
|
/* Try to read '\n' which might follow '\r' - if \n is not received here
|
|
* it will be interpreted as "return" when the next command should be read.
|
|
*/
|
|
if (KdbDebugState & KD_DEBUG_KDSERIAL)
|
|
c = KdbpTryGetCharSerial(5);
|
|
else
|
|
c = KdbpTryGetCharKeyboard(&ScanCode, 5);
|
|
}
|
|
|
|
//DbgPrint("\n"); //Consize version: don't show pressed key
|
|
DbgPrint(" '%c'/scan=%04x\n", c, ScanCode); // Shows pressed key
|
|
|
|
if (c == 'q')
|
|
{
|
|
KdbOutputAborted = TRUE;
|
|
return;
|
|
}
|
|
if ( ScanCode == KEYSC_END || c=='e')
|
|
{
|
|
PCHAR pBufEnd = Buffer + BufLength;
|
|
p = CountOnePageUp(Buffer, BufLength, pBufEnd);
|
|
i = strcspn(p, "\n");
|
|
}
|
|
else if (ScanCode == KEYSC_PAGEUP || c=='u')
|
|
{
|
|
p = CountOnePageUp(Buffer, BufLength, p);
|
|
i = strcspn(p, "\n");
|
|
}
|
|
else if (ScanCode == KEYSC_HOME || c=='h')
|
|
{
|
|
p = Buffer;
|
|
i = strcspn(p, "\n");
|
|
}
|
|
else if (ScanCode == KEYSC_ARROWUP)
|
|
{
|
|
p = CountOnePageUp(Buffer, BufLength, p);
|
|
i = strcspn(p, "\n");
|
|
}
|
|
|
|
KdbNumberOfRowsPrinted = 0;
|
|
KdbNumberOfColsPrinted = 0;
|
|
}
|
|
|
|
/* Insert a NUL after the line and print only the current line. */
|
|
if (p[i] == '\n' && p[i + 1] != '\0')
|
|
{
|
|
c = p[i + 1];
|
|
p[i + 1] = '\0';
|
|
}
|
|
else
|
|
{
|
|
c = '\0';
|
|
}
|
|
|
|
/* Remove escape sequences from the line if there's no terminal connected */
|
|
if (!TerminalConnected)
|
|
{
|
|
while ((p2 = strrchr(p, '\x1b'))) /* Look for escape character */
|
|
{
|
|
size_t len = strlen(p2);
|
|
if (p2[1] == '[')
|
|
{
|
|
j = 2;
|
|
while (!isalpha(p2[j++]));
|
|
memmove(p2, p2 + j, len + 1 - j);
|
|
}
|
|
else
|
|
{
|
|
memmove(p2, p2 + 1, len);
|
|
}
|
|
}
|
|
}
|
|
|
|
// The main printing of the current line:
|
|
DbgPrint(p);
|
|
|
|
// restore not null char with saved:
|
|
if (c != '\0')
|
|
p[i + 1] = c;
|
|
|
|
/* Set p to the start of the next line and
|
|
* remember the number of rows/cols printed
|
|
*/
|
|
p += i;
|
|
if (p[0] == '\n')
|
|
{
|
|
p++;
|
|
KdbNumberOfColsPrinted = 0;
|
|
}
|
|
else
|
|
{
|
|
ASSERT(p[0] == '\0');
|
|
KdbNumberOfColsPrinted += i;
|
|
}
|
|
|
|
KdbNumberOfRowsPrinted += RowsPrintedByTerminal;
|
|
}
|
|
}
|
|
|
|
/*!\brief Appends a command to the command history
|
|
*
|
|
* \param Command Pointer to the command to append to the history.
|
|
*/
|
|
static VOID
|
|
KdbpCommandHistoryAppend(
|
|
IN PCHAR Command)
|
|
{
|
|
ULONG Length1 = strlen(Command) + 1;
|
|
ULONG Length2 = 0;
|
|
INT i;
|
|
PCHAR Buffer;
|
|
|
|
ASSERT(Length1 <= RTL_NUMBER_OF(KdbCommandHistoryBuffer));
|
|
|
|
if (Length1 <= 1 ||
|
|
(KdbCommandHistory[KdbCommandHistoryIndex] &&
|
|
strcmp(KdbCommandHistory[KdbCommandHistoryIndex], Command) == 0))
|
|
{
|
|
return;
|
|
}
|
|
|
|
/* Calculate Length1 and Length2 */
|
|
Buffer = KdbCommandHistoryBuffer + KdbCommandHistoryBufferIndex;
|
|
KdbCommandHistoryBufferIndex += Length1;
|
|
if (KdbCommandHistoryBufferIndex >= (LONG)RTL_NUMBER_OF(KdbCommandHistoryBuffer))
|
|
{
|
|
KdbCommandHistoryBufferIndex -= RTL_NUMBER_OF(KdbCommandHistoryBuffer);
|
|
Length2 = KdbCommandHistoryBufferIndex;
|
|
Length1 -= Length2;
|
|
}
|
|
|
|
/* Remove previous commands until there is enough space to append the new command */
|
|
for (i = KdbCommandHistoryIndex; KdbCommandHistory[i];)
|
|
{
|
|
if ((Length2 > 0 &&
|
|
(KdbCommandHistory[i] >= Buffer ||
|
|
KdbCommandHistory[i] < (KdbCommandHistoryBuffer + KdbCommandHistoryBufferIndex))) ||
|
|
(Length2 <= 0 &&
|
|
(KdbCommandHistory[i] >= Buffer &&
|
|
KdbCommandHistory[i] < (KdbCommandHistoryBuffer + KdbCommandHistoryBufferIndex))))
|
|
{
|
|
KdbCommandHistory[i] = NULL;
|
|
}
|
|
|
|
i--;
|
|
if (i < 0)
|
|
i = RTL_NUMBER_OF(KdbCommandHistory) - 1;
|
|
|
|
if (i == KdbCommandHistoryIndex)
|
|
break;
|
|
}
|
|
|
|
/* Make sure the new command history entry is free */
|
|
KdbCommandHistoryIndex++;
|
|
KdbCommandHistoryIndex %= RTL_NUMBER_OF(KdbCommandHistory);
|
|
if (KdbCommandHistory[KdbCommandHistoryIndex])
|
|
{
|
|
KdbCommandHistory[KdbCommandHistoryIndex] = NULL;
|
|
}
|
|
|
|
/* Append command */
|
|
KdbCommandHistory[KdbCommandHistoryIndex] = Buffer;
|
|
ASSERT((KdbCommandHistory[KdbCommandHistoryIndex] + Length1) <= KdbCommandHistoryBuffer + RTL_NUMBER_OF(KdbCommandHistoryBuffer));
|
|
memcpy(KdbCommandHistory[KdbCommandHistoryIndex], Command, Length1);
|
|
if (Length2 > 0)
|
|
{
|
|
memcpy(KdbCommandHistoryBuffer, Command + Length1, Length2);
|
|
}
|
|
}
|
|
|
|
/*!\brief Reads a line of user-input.
|
|
*
|
|
* \param Buffer Buffer to store the input into. Trailing newlines are removed.
|
|
* \param Size Size of \a Buffer.
|
|
*
|
|
* \note Accepts only \n newlines, \r is ignored.
|
|
*/
|
|
static VOID
|
|
KdbpReadCommand(
|
|
OUT PCHAR Buffer,
|
|
IN ULONG Size)
|
|
{
|
|
CHAR Key;
|
|
PCHAR Orig = Buffer;
|
|
ULONG ScanCode = 0;
|
|
BOOLEAN EchoOn;
|
|
static CHAR LastCommand[1024];
|
|
static CHAR NextKey = '\0';
|
|
INT CmdHistIndex = -1;
|
|
INT i;
|
|
|
|
EchoOn = !((KdbDebugState & KD_DEBUG_KDNOECHO) != 0);
|
|
|
|
for (;;)
|
|
{
|
|
if (KdbDebugState & KD_DEBUG_KDSERIAL)
|
|
{
|
|
Key = (NextKey == '\0') ? KdbpGetCharSerial() : NextKey;
|
|
NextKey = '\0';
|
|
ScanCode = 0;
|
|
if (Key == KEY_ESC) /* ESC */
|
|
{
|
|
Key = KdbpGetCharSerial();
|
|
if (Key == '[')
|
|
{
|
|
Key = KdbpGetCharSerial();
|
|
|
|
switch (Key)
|
|
{
|
|
case 'A':
|
|
ScanCode = KEY_SCAN_UP;
|
|
break;
|
|
case 'B':
|
|
ScanCode = KEY_SCAN_DOWN;
|
|
break;
|
|
case 'C':
|
|
break;
|
|
case 'D':
|
|
break;
|
|
}
|
|
}
|
|
}
|
|
}
|
|
else
|
|
{
|
|
ScanCode = 0;
|
|
Key = (NextKey == '\0') ? KdbpGetCharKeyboard(&ScanCode) : NextKey;
|
|
NextKey = '\0';
|
|
}
|
|
|
|
if ((ULONG)(Buffer - Orig) >= (Size - 1))
|
|
{
|
|
/* Buffer is full, accept only newlines */
|
|
if (Key != '\n')
|
|
continue;
|
|
}
|
|
|
|
if (Key == '\r')
|
|
{
|
|
/* Read the next char - this is to throw away a \n which most clients should
|
|
* send after \r.
|
|
*/
|
|
KeStallExecutionProcessor(100000);
|
|
|
|
if (KdbDebugState & KD_DEBUG_KDSERIAL)
|
|
NextKey = KdbpTryGetCharSerial(5);
|
|
else
|
|
NextKey = KdbpTryGetCharKeyboard(&ScanCode, 5);
|
|
|
|
if (NextKey == '\n' || NextKey == -1) /* \n or no response at all */
|
|
NextKey = '\0';
|
|
|
|
KdbpPrint("\n");
|
|
|
|
/*
|
|
* Repeat the last command if the user presses enter. Reduces the
|
|
* risk of RSI when single-stepping.
|
|
*/
|
|
if (Buffer != Orig)
|
|
{
|
|
KdbRepeatLastCommand = TRUE;
|
|
*Buffer = '\0';
|
|
RtlStringCbCopyA(LastCommand, sizeof(LastCommand), Orig);
|
|
}
|
|
else if (KdbRepeatLastCommand)
|
|
RtlStringCbCopyA(Buffer, Size, LastCommand);
|
|
else
|
|
*Buffer = '\0';
|
|
|
|
return;
|
|
}
|
|
else if (Key == KEY_BS || Key == KEY_DEL)
|
|
{
|
|
if (Buffer > Orig)
|
|
{
|
|
Buffer--;
|
|
*Buffer = 0;
|
|
|
|
if (EchoOn)
|
|
KdbpPrint("%c %c", KEY_BS, KEY_BS);
|
|
else
|
|
KdbpPrint(" %c", KEY_BS);
|
|
}
|
|
}
|
|
else if (ScanCode == KEY_SCAN_UP)
|
|
{
|
|
BOOLEAN Print = TRUE;
|
|
|
|
if (CmdHistIndex < 0)
|
|
{
|
|
CmdHistIndex = KdbCommandHistoryIndex;
|
|
}
|
|
else
|
|
{
|
|
i = CmdHistIndex - 1;
|
|
|
|
if (i < 0)
|
|
CmdHistIndex = RTL_NUMBER_OF(KdbCommandHistory) - 1;
|
|
|
|
if (KdbCommandHistory[i] && i != KdbCommandHistoryIndex)
|
|
CmdHistIndex = i;
|
|
else
|
|
Print = FALSE;
|
|
}
|
|
|
|
if (Print && KdbCommandHistory[CmdHistIndex])
|
|
{
|
|
while (Buffer > Orig)
|
|
{
|
|
Buffer--;
|
|
*Buffer = 0;
|
|
|
|
if (EchoOn)
|
|
KdbpPrint("%c %c", KEY_BS, KEY_BS);
|
|
else
|
|
KdbpPrint(" %c", KEY_BS);
|
|
}
|
|
|
|
i = min(strlen(KdbCommandHistory[CmdHistIndex]), Size - 1);
|
|
memcpy(Orig, KdbCommandHistory[CmdHistIndex], i);
|
|
Orig[i] = '\0';
|
|
Buffer = Orig + i;
|
|
KdbpPrint("%s", Orig);
|
|
}
|
|
}
|
|
else if (ScanCode == KEY_SCAN_DOWN)
|
|
{
|
|
if (CmdHistIndex > 0 && CmdHistIndex != KdbCommandHistoryIndex)
|
|
{
|
|
i = CmdHistIndex + 1;
|
|
if (i >= (INT)RTL_NUMBER_OF(KdbCommandHistory))
|
|
i = 0;
|
|
|
|
if (KdbCommandHistory[i])
|
|
{
|
|
CmdHistIndex = i;
|
|
while (Buffer > Orig)
|
|
{
|
|
Buffer--;
|
|
*Buffer = 0;
|
|
|
|
if (EchoOn)
|
|
KdbpPrint("%c %c", KEY_BS, KEY_BS);
|
|
else
|
|
KdbpPrint(" %c", KEY_BS);
|
|
}
|
|
|
|
i = min(strlen(KdbCommandHistory[CmdHistIndex]), Size - 1);
|
|
memcpy(Orig, KdbCommandHistory[CmdHistIndex], i);
|
|
Orig[i] = '\0';
|
|
Buffer = Orig + i;
|
|
KdbpPrint("%s", Orig);
|
|
}
|
|
}
|
|
}
|
|
else
|
|
{
|
|
if (EchoOn)
|
|
KdbpPrint("%c", Key);
|
|
|
|
*Buffer = Key;
|
|
Buffer++;
|
|
}
|
|
}
|
|
}
|
|
|
|
|
|
BOOLEAN
|
|
NTAPI
|
|
KdbRegisterCliCallback(
|
|
PVOID Callback,
|
|
BOOLEAN Deregister)
|
|
{
|
|
ULONG i;
|
|
|
|
/* Loop all entries */
|
|
for (i = 0; i < _countof(KdbCliCallbacks); i++)
|
|
{
|
|
/* Check if deregistering was requested */
|
|
if (Deregister)
|
|
{
|
|
/* Check if this entry is the one that was registered */
|
|
if (KdbCliCallbacks[i] == Callback)
|
|
{
|
|
/* Delete it and report success */
|
|
KdbCliCallbacks[i] = NULL;
|
|
return TRUE;
|
|
}
|
|
}
|
|
else
|
|
{
|
|
/* Check if this entry is free */
|
|
if (KdbCliCallbacks[i] == NULL)
|
|
{
|
|
/* Set it and and report success */
|
|
KdbCliCallbacks[i] = Callback;
|
|
return TRUE;
|
|
}
|
|
}
|
|
}
|
|
|
|
/* Unsuccessful */
|
|
return FALSE;
|
|
}
|
|
|
|
/*! \brief Invokes registered CLI callbacks until one of them handled the
|
|
* Command.
|
|
*
|
|
* \param Command - Command line to parse and execute if possible.
|
|
* \param Argc - Number of arguments in Argv
|
|
* \param Argv - Array of strings, each of them containing one argument.
|
|
*
|
|
* \return TRUE, if the command was handled, FALSE if it was not handled.
|
|
*/
|
|
static
|
|
BOOLEAN
|
|
KdbpInvokeCliCallbacks(
|
|
IN PCHAR Command,
|
|
IN ULONG Argc,
|
|
IN PCHAR Argv[])
|
|
{
|
|
ULONG i;
|
|
|
|
/* Loop all entries */
|
|
for (i = 0; i < _countof(KdbCliCallbacks); i++)
|
|
{
|
|
/* Check if this entry is registered */
|
|
if (KdbCliCallbacks[i])
|
|
{
|
|
/* Invoke the callback and check if it handled the command */
|
|
if (KdbCliCallbacks[i](Command, Argc, Argv))
|
|
{
|
|
return TRUE;
|
|
}
|
|
}
|
|
}
|
|
|
|
/* None of the callbacks handled the command */
|
|
return FALSE;
|
|
}
|
|
|
|
|
|
/*!\brief Parses command line and executes command if found
|
|
*
|
|
* \param Command Command line to parse and execute if possible.
|
|
*
|
|
* \retval TRUE Don't continue execution.
|
|
* \retval FALSE Continue execution (leave KDB)
|
|
*/
|
|
static BOOLEAN
|
|
KdbpDoCommand(
|
|
IN PCHAR Command)
|
|
{
|
|
ULONG i;
|
|
PCHAR p;
|
|
ULONG Argc;
|
|
// FIXME: for what do we need a 1024 characters command line and 256 tokens?
|
|
static PCHAR Argv[256];
|
|
static CHAR OrigCommand[1024];
|
|
|
|
RtlStringCbCopyA(OrigCommand, sizeof(OrigCommand), Command);
|
|
|
|
Argc = 0;
|
|
p = Command;
|
|
|
|
for (;;)
|
|
{
|
|
while (*p == '\t' || *p == ' ')
|
|
p++;
|
|
|
|
if (*p == '\0')
|
|
break;
|
|
|
|
i = strcspn(p, "\t ");
|
|
Argv[Argc++] = p;
|
|
p += i;
|
|
if (*p == '\0')
|
|
break;
|
|
|
|
*p = '\0';
|
|
p++;
|
|
}
|
|
|
|
if (Argc < 1)
|
|
return TRUE;
|
|
|
|
for (i = 0; i < RTL_NUMBER_OF(KdbDebuggerCommands); i++)
|
|
{
|
|
if (!KdbDebuggerCommands[i].Name)
|
|
continue;
|
|
|
|
if (strcmp(KdbDebuggerCommands[i].Name, Argv[0]) == 0)
|
|
{
|
|
return KdbDebuggerCommands[i].Fn(Argc, Argv);
|
|
}
|
|
}
|
|
|
|
/* Now invoke the registered callbacks */
|
|
if (KdbpInvokeCliCallbacks(Command, Argc, Argv))
|
|
{
|
|
return TRUE;
|
|
}
|
|
|
|
KdbpPrint("Command '%s' is unknown.\n", OrigCommand);
|
|
return TRUE;
|
|
}
|
|
|
|
/*!\brief KDB Main Loop.
|
|
*
|
|
* \param EnteredOnSingleStep TRUE if KDB was entered on single step.
|
|
*/
|
|
VOID
|
|
KdbpCliMainLoop(
|
|
IN BOOLEAN EnteredOnSingleStep)
|
|
{
|
|
static CHAR Command[1024];
|
|
BOOLEAN Continue;
|
|
|
|
if (EnteredOnSingleStep)
|
|
{
|
|
if (!KdbSymPrintAddress((PVOID)KeGetContextPc(KdbCurrentTrapFrame), KdbCurrentTrapFrame))
|
|
{
|
|
KdbpPrint("<%p>", KeGetContextPc(KdbCurrentTrapFrame));
|
|
}
|
|
|
|
KdbpPrint(": ");
|
|
if (KdbpDisassemble(KeGetContextPc(KdbCurrentTrapFrame), KdbUseIntelSyntax) < 0)
|
|
{
|
|
KdbpPrint("<INVALID>");
|
|
}
|
|
KdbpPrint("\n");
|
|
}
|
|
|
|
/* Flush the input buffer */
|
|
if (KdbDebugState & KD_DEBUG_KDSERIAL)
|
|
{
|
|
while (KdbpTryGetCharSerial(1) != -1);
|
|
}
|
|
else
|
|
{
|
|
ULONG ScanCode;
|
|
while (KdbpTryGetCharKeyboard(&ScanCode, 1) != -1);
|
|
}
|
|
|
|
/* Main loop */
|
|
do
|
|
{
|
|
/* Reset the number of rows/cols printed */
|
|
KdbNumberOfRowsPrinted = KdbNumberOfColsPrinted = 0;
|
|
|
|
/* Print the prompt */
|
|
KdbpPrint(KdbPromptString.Buffer);
|
|
|
|
/* Read a command and remember it */
|
|
KdbpReadCommand(Command, sizeof(Command));
|
|
KdbpCommandHistoryAppend(Command);
|
|
|
|
/* Reset the number of rows/cols printed and output aborted state */
|
|
KdbNumberOfRowsPrinted = KdbNumberOfColsPrinted = 0;
|
|
KdbOutputAborted = FALSE;
|
|
|
|
/* Call the command */
|
|
Continue = KdbpDoCommand(Command);
|
|
KdbOutputAborted = FALSE;
|
|
}
|
|
while (Continue);
|
|
}
|
|
|
|
/*!\brief Called when a module is loaded.
|
|
*
|
|
* \param Name Filename of the module which was loaded.
|
|
*/
|
|
VOID
|
|
KdbpCliModuleLoaded(
|
|
IN PUNICODE_STRING Name)
|
|
{
|
|
if (!KdbBreakOnModuleLoad)
|
|
return;
|
|
|
|
KdbpPrint("Module %wZ loaded.\n", Name);
|
|
DbgBreakPointWithStatus(DBG_STATUS_CONTROL_C);
|
|
}
|
|
|
|
/*!\brief This function is called by KdbEnterDebuggerException...
|
|
*
|
|
* Used to interpret the init file in a context with a trapframe setup
|
|
* (KdbpCliInit call KdbEnter which will call KdbEnterDebuggerException which will
|
|
* call this function if KdbInitFileBuffer is not NULL.
|
|
*/
|
|
VOID
|
|
KdbpCliInterpretInitFile(VOID)
|
|
{
|
|
PCHAR p1, p2;
|
|
INT i;
|
|
CHAR c;
|
|
|
|
/* Execute the commands in the init file */
|
|
DPRINT("KDB: Executing KDBinit file...\n");
|
|
p1 = KdbInitFileBuffer;
|
|
while (p1[0] != '\0')
|
|
{
|
|
i = strcspn(p1, "\r\n");
|
|
if (i > 0)
|
|
{
|
|
c = p1[i];
|
|
p1[i] = '\0';
|
|
|
|
/* Look for "break" command and comments */
|
|
p2 = p1;
|
|
|
|
while (isspace(p2[0]))
|
|
p2++;
|
|
|
|
if (strncmp(p2, "break", sizeof("break")-1) == 0 &&
|
|
(p2[sizeof("break")-1] == '\0' || isspace(p2[sizeof("break")-1])))
|
|
{
|
|
/* break into the debugger */
|
|
KdbpCliMainLoop(FALSE);
|
|
}
|
|
else if (p2[0] != '#' && p2[0] != '\0') /* Ignore empty lines and comments */
|
|
{
|
|
KdbpDoCommand(p1);
|
|
}
|
|
|
|
p1[i] = c;
|
|
}
|
|
|
|
p1 += i;
|
|
while (p1[0] == '\r' || p1[0] == '\n')
|
|
p1++;
|
|
}
|
|
DPRINT("KDB: KDBinit executed\n");
|
|
}
|
|
|
|
/*!\brief Called when KDB is initialized
|
|
*
|
|
* Reads the KDBinit file from the SystemRoot\System32\drivers\etc directory and executes it.
|
|
*/
|
|
VOID
|
|
KdbpCliInit(VOID)
|
|
{
|
|
NTSTATUS Status;
|
|
OBJECT_ATTRIBUTES ObjectAttributes;
|
|
UNICODE_STRING FileName;
|
|
IO_STATUS_BLOCK Iosb;
|
|
FILE_STANDARD_INFORMATION FileStdInfo;
|
|
HANDLE hFile = NULL;
|
|
INT FileSize;
|
|
PCHAR FileBuffer;
|
|
ULONG OldEflags;
|
|
|
|
/* Initialize the object attributes */
|
|
RtlInitUnicodeString(&FileName, L"\\SystemRoot\\System32\\drivers\\etc\\KDBinit");
|
|
InitializeObjectAttributes(&ObjectAttributes,
|
|
&FileName,
|
|
OBJ_CASE_INSENSITIVE | OBJ_KERNEL_HANDLE,
|
|
NULL,
|
|
NULL);
|
|
|
|
/* Open the file */
|
|
Status = ZwOpenFile(&hFile, FILE_READ_DATA | SYNCHRONIZE,
|
|
&ObjectAttributes, &Iosb, 0,
|
|
FILE_NON_DIRECTORY_FILE | FILE_SYNCHRONOUS_IO_NONALERT |
|
|
FILE_NO_INTERMEDIATE_BUFFERING);
|
|
if (!NT_SUCCESS(Status))
|
|
{
|
|
DPRINT("Could not open \\SystemRoot\\System32\\drivers\\etc\\KDBinit (Status 0x%x)", Status);
|
|
return;
|
|
}
|
|
|
|
/* Get the size of the file */
|
|
Status = ZwQueryInformationFile(hFile, &Iosb, &FileStdInfo, sizeof(FileStdInfo),
|
|
FileStandardInformation);
|
|
if (!NT_SUCCESS(Status))
|
|
{
|
|
ZwClose(hFile);
|
|
DPRINT("Could not query size of \\SystemRoot\\System32\\drivers\\etc\\KDBinit (Status 0x%x)", Status);
|
|
return;
|
|
}
|
|
FileSize = FileStdInfo.EndOfFile.u.LowPart;
|
|
|
|
/* Allocate memory for the file */
|
|
FileBuffer = ExAllocatePool(PagedPool, FileSize + 1); /* add 1 byte for terminating '\0' */
|
|
if (!FileBuffer)
|
|
{
|
|
ZwClose(hFile);
|
|
DPRINT("Could not allocate %d bytes for KDBinit file\n", FileSize);
|
|
return;
|
|
}
|
|
|
|
/* Load file into memory */
|
|
Status = ZwReadFile(hFile, NULL, NULL, NULL, &Iosb, FileBuffer, FileSize, NULL, NULL);
|
|
ZwClose(hFile);
|
|
|
|
if (!NT_SUCCESS(Status) && Status != STATUS_END_OF_FILE)
|
|
{
|
|
ExFreePool(FileBuffer);
|
|
DPRINT("Could not read KDBinit file into memory (Status 0x%lx)\n", Status);
|
|
return;
|
|
}
|
|
|
|
FileSize = min(FileSize, (INT)Iosb.Information);
|
|
FileBuffer[FileSize] = '\0';
|
|
|
|
/* Enter critical section */
|
|
OldEflags = __readeflags();
|
|
_disable();
|
|
|
|
/* Interpret the init file... */
|
|
KdbInitFileBuffer = FileBuffer;
|
|
//KdbEnter(); // FIXME
|
|
KdbInitFileBuffer = NULL;
|
|
|
|
/* Leave critical section */
|
|
__writeeflags(OldEflags);
|
|
|
|
ExFreePool(FileBuffer);
|
|
}
|