kdvmware/kdvmware.cpp File Reference

Contains guest side of KdXXX() marshalling functions. More...

#include "stdafx.h"
#include "kdxxx.h"
#include "vmwrpc.h"
#include "kdvmware.h"
#include "kdrpc.h"

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Classes
class	InterlockedIncrementer
	Provides convenient way to mark whether a code block is executing by using an global volatile counter. More...
Defines
#define	CONNECTION_TEST_ROUNDS 100
Typedefs
typedef BufferedRPCChannel < g_PacketBuffer, sizeof(g_PacketBuffer)>	DefaultRPCChannel
Functions
void	HalInitSystem (void , void )
void __stdcall	DllEntryPoint ()
ULONG	KdVmwareGetActiveCallCount ()
static bool	TestConnectionOnChannel (DefaultRPCChannel &chn)
bool	TestConnectionWithHost ()
NTSTATUS	NegotiateProtocolVersions ()
NTSTATUS __stdcall	KdDebuggerInitialize0 (PVOID lpLoaderParameterBlock)
	Performs initial KD extension DLL initialization.
KD_RECV_CODE __stdcall	KdReceivePacket (__in ULONG PacketType, __inout_opt PKD_BUFFER FirstBuffer, __inout_opt PKD_BUFFER SecondBuffer, __out_opt PULONG PayloadBytes, __inout_opt PKD_CONTEXT KdContext)
	Called by kernel to receive a packet of a specified type.
VOID __stdcall	KdSendPacket (__in ULONG PacketType, __in PKD_BUFFER FirstBuffer, __in_opt PKD_BUFFER SecondBuffer, __inout PKD_CONTEXT KdContext)
	Called by kernel to send a debug packet.
Variables
static KD_BUFFER	s_EmptyBuffer
static KD_CONTEXT	s_EmptyKdContext
volatile LONG	KdVmwareActiveCallCount = 0

Detailed Description

Contains guest side of KdXXX() marshalling functions.

#define CONNECTION_TEST_ROUNDS 100

typedef BufferedRPCChannel<g_PacketBuffer, sizeof(g_PacketBuffer)> DefaultRPCChannel

void __stdcall DllEntryPoint ( )

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NTSTATUS __stdcall KdDebuggerInitialize0 ( PVOID lpLoaderParameterBlock )

Performs initial KD extension DLL initialization.

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KD_RECV_CODE __stdcall KdReceivePacket	(	__in ULONG	PacketType,
		__inout_opt PKD_BUFFER	FirstBuffer,
		__inout_opt PKD_BUFFER	SecondBuffer,
		__out_opt PULONG	PayloadBytes,
		__inout_opt PKD_CONTEXT	KdContext
	)

Called by kernel to receive a packet of a specified type.

This function is called by Windows kernel to receive a debug packet of a particular type.

Parameters:

	PacketType	Specifies the type of packet to receive. If KdCheckForAnyPacket is specified, the function checks whether any data is available (was sent by debugger, but not yet received) and returns KD_RECV_CODE_OK or KD_RECV_CODE_TIMEOUT respectively without performing any other action.
	FirstBuffer	Specifies the buffer where the first KD_BUFFER::MaxLength bytes of a packet are stored
	SecondBuffer	Specifies the buffer where the rest data of the packet is stored.
	PayloadBytes	Points to an ULONG value receiving the number of bytes written to SecondBuffer
	KdContext	Points to a KD_CONTEXT variable storing global packet layer context. If debugger requests stopping the execution, the KD_CONTEXT::BreakInRequested is set to TRUE.

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Called by kernel to send a debug packet.

This function is called by Windows kernel to send a debug packet.

Parameters:

	PacketType	Specifies the packet type to send.
	FirstBuffer	Specifies the first part of the packet body.
	SecondBuffer	Specifies the second part of the packet body.
	KdContext	Points to a KD_CONTEXT variable storing global packet layer context. KD_CONTEXT::RetryCount is used by original KDCOM.DLL implementation.

Remarks:: Note that the packet itself contains no information about sizes of FirstBuffer and SecondBuffer, its body just contains both buffer contens placed one after another.

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