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[NTOSKRNL] Add support for the ? wildcard in the !poolused command

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This commit is contained in:
Pierre Schweitzer 2017-12-29 17:19:59 +01:00
parent 454e8738f2
commit 4e34bf2a0b
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GPG key ID: 7545556C3D585B0B
1 changed files with 23 additions and 8 deletions
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31
ntoskrnl/mm/ARM3/expool.c
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@ -480,7 +480,7 @@ ExpTagAllowPrint(CHAR Tag)
else DPRINT1(fmt, ##__VA_ARGS__) else DPRINT1(fmt, ##__VA_ARGS__)
VOID VOID
MiDumpPoolConsumers(BOOLEAN CalledFromDbg, ULONG Tag) MiDumpPoolConsumers(BOOLEAN CalledFromDbg, ULONG Tag, ULONG Mask)
{ {
SIZE_T i; SIZE_T i;
@ -519,10 +519,13 @@ MiDumpPoolConsumers(BOOLEAN CalledFromDbg, ULONG Tag)
{ {
// //
// If there's a tag, attempt to do a pretty print // If there's a tag, attempt to do a pretty print
// only if it matches the caller tag, or if // only if it matches the caller's tag, or if
// any tag is allowed // any tag is allowed
// For checking whether it matches caller's tag,
// use the mask to make sure not to mess with the wildcards
// //
if (TableEntry->Key != 0 && TableEntry->Key != TAG_NONE && (Tag == 0 || TableEntry->Key == Tag)) if (TableEntry->Key != 0 && TableEntry->Key != TAG_NONE &&
(Tag == 0 || (TableEntry->Key & Mask) == (Tag & Mask)))
{ {
CHAR Tag[4]; CHAR Tag[4];
@ -550,7 +553,7 @@ MiDumpPoolConsumers(BOOLEAN CalledFromDbg, ULONG Tag)
TableEntry->PagedAllocs, TableEntry->PagedBytes); TableEntry->PagedAllocs, TableEntry->PagedBytes);
} }
} }
else if (Tag == 0 || Tag == TAG_NONE) else if (Tag == 0 || (Tag & Mask) == (TAG_NONE & Mask))
{ {
MiDumperPrint(CalledFromDbg, "Anon\t\t%ld\t\t%ld\t\t%ld\t\t%ld\n", MiDumperPrint(CalledFromDbg, "Anon\t\t%ld\t\t%ld\t\t%ld\t\t%ld\n",
TableEntry->NonPagedAllocs, TableEntry->NonPagedBytes, TableEntry->NonPagedAllocs, TableEntry->NonPagedBytes,
@ -1751,7 +1754,7 @@ ExAllocatePoolWithTag(IN POOL_TYPE PoolType,
// //
// Out of memory, display current consumption // Out of memory, display current consumption
// //
MiDumpPoolConsumers(FALSE, 0); MiDumpPoolConsumers(FALSE, 0, 0);
#endif #endif
// //
@ -2084,7 +2087,7 @@ ExAllocatePoolWithTag(IN POOL_TYPE PoolType,
// //
// Out of memory, display current consumption // Out of memory, display current consumption
// //
MiDumpPoolConsumers(FALSE, 0); MiDumpPoolConsumers(FALSE, 0, 0);
#endif #endif
// //
@ -2945,11 +2948,13 @@ ExpKdbgExtPoolUsed(
PCHAR Argv[]) PCHAR Argv[])
{ {
ULONG Tag = 0; ULONG Tag = 0;
ULONG Mask = 0;
if (Argc > 1) if (Argc > 1)
{ {
CHAR Tmp[4]; CHAR Tmp[4];
ULONG Len; ULONG Len;
USHORT i;
/* Get the tag */ /* Get the tag */
Len = strlen(Argv[1]); Len = strlen(Argv[1]);
@ -2957,12 +2962,22 @@ ExpKdbgExtPoolUsed(
{ {
Len = 4; Len = 4;
} }
RtlCopyMemory(Tmp, Argv[1], Len * sizeof(CHAR)); /* Generate the mask to have wildcards support */
for (i = 0; i < Len; ++i)
{
Tmp[i] = Argv[1][i];
if (Tmp[i] != '?')
{
Mask |= (0xFF << i * 8);
}
}
/* Get the tag in the ulong form */
Tag = *((PULONG)Tmp); Tag = *((PULONG)Tmp);
} }
MiDumpPoolConsumers(TRUE, Tag); /* Call the dumper */
MiDumpPoolConsumers(TRUE, Tag, Mask);
return TRUE; return TRUE;
} }