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addendum debugger-disabled tests (but contains formatting changes as well)

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Hermès Bélusca-Maïto 2024-12-11 20:51:30 +01:00
parent 47a72e430b
commit 4753dbe661
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GPG key ID: 3B2539C65E7B93D0
1 changed files with 70 additions and 69 deletions
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139
ntoskrnl/kd64/kdlock.c
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@ -2,7 +2,7 @@
* PROJECT: ReactOS Kernel
* LICENSE: GPL - See COPYING in the top level directory
* FILE: ntoskrnl/kd64/kdlock.c
* PURPOSE: KD64 Port Lock and Breakin Support
* PURPOSE: KD64 Port Lock and Break-in Support
* PROGRAMMERS: Alex Ionescu (alex.ionescu@reactos.org)
*/
@ -20,28 +20,28 @@ KdpPollBreakInWithPortLock(VOID)
{
BOOLEAN DoBreak = FALSE;
/* First make sure that KD is enabled */
if (KdDebuggerEnabled)
/* If KD is not enabled, no break to do */
if (!KdDebuggerEnabled)
return FALSE;
/* Check if a CTRL-C is in the queue */
if (KdpContext.KdpControlCPending)
{
/* Check if a CTRL-C is in the queue */
if (KdpContext.KdpControlCPending)
/* Set it and prepare for break */
DoBreak = TRUE;
KdpContext.KdpControlCPending = FALSE;
}
else
{
/* Now get a packet */
if (KdReceivePacket(PACKET_TYPE_KD_POLL_BREAKIN,
NULL,
NULL,
NULL,
NULL) == KdPacketReceived)
{
/* Set it and prepare for break */
/* Successful break-in */
DoBreak = TRUE;
KdpContext.KdpControlCPending = FALSE;
}
else
{
/* Now get a packet */
if (KdReceivePacket(PACKET_TYPE_KD_POLL_BREAKIN,
NULL,
NULL,
NULL,
NULL) == KdPacketReceived)
{
/* Successful breakin */
DoBreak = TRUE;
}
}
}
@ -136,68 +136,69 @@ NTAPI
KdPollBreakIn(VOID)
{
BOOLEAN DoBreak = FALSE;
BOOLEAN Enable;
KIRQL OldIrql;
/* First make sure that KD is enabled */
if (KdDebuggerEnabled)
/* If KD is not enabled, no break to do */
if (KdPitchDebugger || !KdDebuggerEnabled)
return FALSE;
/* Disable interrupts */
Enable = KeDisableInterrupts();
/* Elevate IRQL to HIGH_LEVEL, to ensure the lock can be correctly
* acquired if needed -- the two cases where KdPollBreakIn() is NOT
* already invoked at >= DISPATCH_LEVEL is during system startup,
* when KiSystemStartup() invokes KdInitSystem(0, KeLoaderBlock);
* and when it also invokes KdPollBreakIn() itself. */
// See commit 835c3023
// ASSERT(KeGetCurrentIrql() >= DISPATCH_LEVEL);
KeRaiseIrql(HIGH_LEVEL, &OldIrql);
/* Check if a CTRL-C is in the queue */
if (KdpContext.KdpControlCPending)
{
/* Disable interrupts */
BOOLEAN Enable = KeDisableInterrupts();
KIRQL OldIrql;
/* Set it and prepare for break */
KdpControlCPressed = TRUE;
DoBreak = TRUE;
KdpContext.KdpControlCPending = FALSE;
}
else
{
// See above...
/* Elevate IRQL to HIGH_LEVEL, to ensure the lock can be correctly
* acquired if needed -- the two cases where KdPollBreakIn() is NOT
* already invoked at >= DISPATCH_LEVEL is during system startup,
* when KiSystemStartup() invokes KdInitSystem(0, KeLoaderBlock);
* and when it also invokes KdPollBreakIn() itself. */
// See commit 835c3023
// ASSERT(KeGetCurrentIrql() >= DISPATCH_LEVEL);
KeRaiseIrql(HIGH_LEVEL, &OldIrql);
/* Check if a CTRL-C is in the queue */
if (KdpContext.KdpControlCPending)
/* Try to acquire the lock */
if (((KSPIN_LOCK)KeGetCurrentThread() | 1) == KdpDebuggerLock)
//if (!KeTestSpinLock(&KdpDebuggerLock))
{
/* Set it and prepare for break */
KdpControlCPressed = TRUE;
DoBreak = TRUE;
KdpContext.KdpControlCPending = FALSE;
KdDbgPortPrintf("%s(%p) already owned\n", __FUNCTION__, &KdpDebuggerLock);
KeRosDumpStackFrames(NULL, 0);
}
else
if (KeTryToAcquireSpinLockAtDpcLevel(&KdpDebuggerLock))
{
// See above...
/* Try to acquire the lock */
if (((KSPIN_LOCK)KeGetCurrentThread() | 1) == KdpDebuggerLock)
//if (!KeTestSpinLock(&KdpDebuggerLock))
/* Now get a packet */
if (KdReceivePacket(PACKET_TYPE_KD_POLL_BREAKIN,
NULL,
NULL,
NULL,
NULL) == KdPacketReceived)
{
KdDbgPortPrintf("%s(%p) already owned\n", __FUNCTION__, &KdpDebuggerLock);
KeRosDumpStackFrames(NULL, 0);
/* Successful break-in */
DoBreak = TRUE;
KdpControlCPressed = TRUE;
}
else
if (KeTryToAcquireSpinLockAtDpcLevel(&KdpDebuggerLock))
{
/* Now get a packet */
if (KdReceivePacket(PACKET_TYPE_KD_POLL_BREAKIN,
NULL,
NULL,
NULL,
NULL) == KdPacketReceived)
{
/* Successful breakin */
DoBreak = TRUE;
KdpControlCPressed = TRUE;
}
/* Let go of the port */
KeReleaseSpinLockFromDpcLevel(&KdpDebuggerLock);
}
/* Let go of the port */
KeReleaseSpinLockFromDpcLevel(&KdpDebuggerLock);
}
KeLowerIrql(OldIrql);
/* Re-enable interrupts */
KeRestoreInterrupts(Enable);
}
KeLowerIrql(OldIrql);
/* Re-enable interrupts */
KeRestoreInterrupts(Enable);
/* Tell the caller to do a break */
return DoBreak;
}