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 PspKdbgIrpFind(ULONG Argc, PCHAR Argv[]);
#ifdef __ROS_DWARF__
static BOOLEAN KdbpCmdPrintStruct(ULONG Argc, PCHAR Argv[]);
{ "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 }
+ { "!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 [criteria data]", "Lists IRPs potentially matching criteria", PspKdbgIrpFind },
};
/* FUNCTIONS *****************************************************************/
" Tib.FiberData/Version: 0x%08x\n"
" Tib.ArbitraryUserPointer: 0x%08x\n"
" Tib.Self: 0x%08x\n"
- " Self: 0x%08x\n"
+ " SelfPcr: 0x%08x\n"
" PCRCB: 0x%08x\n"
" Irql: 0x%02x\n"
" IRR: 0x%08x\n"
" InterruptMode: 0x%08x\n",
Pcr->NtTib.ExceptionList, Pcr->NtTib.StackBase, Pcr->NtTib.StackLimit,
Pcr->NtTib.SubSystemTib, Pcr->NtTib.FiberData, Pcr->NtTib.ArbitraryUserPointer,
- Pcr->NtTib.Self, Pcr->Self, Pcr->Prcb, Pcr->Irql, Pcr->IRR, Pcr->IrrActive,
+ Pcr->NtTib.Self, Pcr->SelfPcr, Pcr->Prcb, Pcr->Irql, Pcr->IRR, Pcr->IrrActive,
Pcr->IDR, Pcr->KdVersionBlock, Pcr->IDT, Pcr->GDT, Pcr->TSS,
Pcr->MajorVersion, Pcr->MinorVersion, Pcr->SetMember, Pcr->StallScaleFactor,
Pcr->Number, Pcr->SecondLevelCacheAssociativity,
}
/* Load file into memory */
- Status = ZwReadFile(hFile, 0, 0, 0, &Iosb, FileBuffer, FileSize, 0, 0);
+ Status = ZwReadFile(hFile, NULL, NULL, NULL, &Iosb, FileBuffer, FileSize, NULL, NULL);
ZwClose(hFile);
if (!NT_SUCCESS(Status) && Status != STATUS_END_OF_FILE)
ULONG
NTAPI
-KdpPrompt(IN LPSTR InString,
- IN USHORT InStringLength,
- OUT LPSTR OutString,
- IN USHORT OutStringLength)
+KdpPrompt(
+ _In_reads_bytes_(InStringLength) PCHAR UnsafeInString,
+ _In_ USHORT InStringLength,
+ _Out_writes_bytes_(OutStringLength) PCHAR UnsafeOutString,
+ _In_ USHORT OutStringLength,
+ _In_ KPROCESSOR_MODE PreviousMode)
{
USHORT i;
CHAR Response;
ULONG DummyScanCode;
KIRQL OldIrql;
+ PCHAR InString;
+ PCHAR OutString;
+ CHAR InStringBuffer[512];
+ CHAR OutStringBuffer[512];
+
+ /* Normalize the lengths */
+ InStringLength = min(InStringLength,
+ sizeof(InStringBuffer));
+ OutStringLength = min(OutStringLength,
+ sizeof(OutStringBuffer));
+
+ /* Check if we need to verify the string */
+ if (PreviousMode != KernelMode)
+ {
+ /* Handle user-mode buffers safely */
+ _SEH2_TRY
+ {
+ /* Probe the prompt */
+ ProbeForRead(UnsafeInString,
+ InStringLength,
+ 1);
+
+ /* Capture prompt */
+ InString = InStringBuffer;
+ RtlCopyMemory(InString,
+ UnsafeInString,
+ InStringLength);
+
+ /* Probe and make room for response */
+ ProbeForWrite(UnsafeOutString,
+ OutStringLength,
+ 1);
+ OutString = OutStringBuffer;
+ }
+ _SEH2_EXCEPT(EXCEPTION_EXECUTE_HANDLER)
+ {
+ /* Bad string pointer, bail out */
+ _SEH2_YIELD(return 0);
+ }
+ _SEH2_END;
+ }
+ else
+ {
+ InString = UnsafeInString;
+ OutString = UnsafeOutString;
+ }
/* Acquire the printing spinlock without waiting at raised IRQL */
while (TRUE)
/* Lower IRQL back */
KeLowerIrql(OldIrql);
+ /* Copy back response if required */
+ if (PreviousMode != KernelMode)
+ {
+ _SEH2_TRY
+ {
+ /* Safely copy back response to user mode */
+ RtlCopyMemory(UnsafeOutString,
+ OutString,
+ i);
+ }
+ _SEH2_EXCEPT(EXCEPTION_EXECUTE_HANDLER)
+ {
+ /* String became invalid after we exited, fail */
+ _SEH2_YIELD(return 0);
+ }
+ _SEH2_END;
+ }
+
/* Return the length */
return i;
}