ReactOS 0.4.15-dev-7674-gc0b4db1
dbgctrl.c File Reference
#include <ntoskrnl.h>
#include <debug.h>
Include dependency graph for dbgctrl.c:

Go to the source code of this file.

Macros

#define NDEBUG
 

Functions

VOID NTAPI ExpDebuggerWorker (IN PVOID Context)
 
NTSTATUS NTAPI NtSystemDebugControl (SYSDBG_COMMAND ControlCode, PVOID InputBuffer, ULONG InputBufferLength, PVOID OutputBuffer, ULONG OutputBufferLength, PULONG ReturnLength)
 

Variables

WORK_QUEUE_ITEM ExpDebuggerWorkItem
 
WINKD_WORKER_STATE ExpDebuggerWork
 
PEPROCESS ExpDebuggerProcessAttach
 
PEPROCESS ExpDebuggerProcessKill
 
ULONG_PTR ExpDebuggerPageIn
 

Macro Definition Documentation

◆ NDEBUG

#define NDEBUG

Definition at line 12 of file dbgctrl.c.

Function Documentation

◆ ExpDebuggerWorker()

VOID NTAPI ExpDebuggerWorker ( IN PVOID  Context)

Definition at line 52 of file dbgctrl.c.

53{
54 PEPROCESS ProcessToAttach, ProcessToKill;
55 ULONG_PTR PageInAddress;
58
60
61 /* Be sure we were started in an initialized state */
62 ASSERTMSG("ExpDebuggerWorker being entered in non-initialized state!\n",
65 {
66 /* An error happened, so get a chance to restart proper */
68 return;
69 }
70
71 /* Get the processes to be attached or killed, and the address to page in */
72 ProcessToAttach = ExpDebuggerProcessAttach;
73 ProcessToKill = ExpDebuggerProcessKill;
74 PageInAddress = ExpDebuggerPageIn;
75
76 /* Reset the state machine to its ready state */
81
82 /* Default to the current process if we don't find the process to be attached or killed */
83 Process = NULL;
84
85 /* Check if we need to attach or kill some process */
86 if (ProcessToAttach != NULL || ProcessToKill != NULL)
87 {
88 /* Find the process in the list */
90 while (Process)
91 {
92 /* Is this the process we want to attach to? */
93 if (Process == ProcessToAttach)
94 {
95 /* Yes, attach ourselves to it */
97 break;
98 }
99 /* Or is this the process we want to kill? */
100 else if (Process == ProcessToKill)
101 {
102 /* Yes, kill and dereference it, then return */
105 return;
106 }
107
108 /* Get the next process */
110 }
111
112 /* We either have found a process, or we default to the current process */
113 }
114
115 /* If we have an address to page in... */
116 if (PageInAddress)
117 {
118 /* ... try to do it by attempting to read at this address */
120 {
121 ProbeForReadUchar(PageInAddress);
122 }
124 {
125 DPRINT1("Failed to page in address 0x%p, Status 0x%08lx\n", PageInAddress, _SEH2_GetExceptionCode());
126 }
127 _SEH2_END;
128 }
129
130 /* Break into the process (or the current one if Process == NULL) */
132
133 /* If we are attached to a process, not the current one... */
134 if (Process)
135 {
136 /* ... we can detach from the process */
138 /* Dereference the process which was referenced for us by PsGetNextProcess */
140 }
141}
#define DPRINT1
Definition: precomp.h:8
PEPROCESS ExpDebuggerProcessAttach
Definition: dbgctrl.c:26
PEPROCESS ExpDebuggerProcessKill
Definition: dbgctrl.c:27
WINKD_WORKER_STATE ExpDebuggerWork
Definition: dbgctrl.c:25
ULONG_PTR ExpDebuggerPageIn
Definition: dbgctrl.c:28
#define NULL
Definition: types.h:112
#define ULONG_PTR
Definition: config.h:101
@ WinKdWorkerReady
Definition: ex.h:62
@ WinKdWorkerInitialized
Definition: ex.h:64
#define _SEH2_END
Definition: filesup.c:22
#define _SEH2_TRY
Definition: filesup.c:19
_Must_inspect_result_ _In_ PLARGE_INTEGER _In_ PLARGE_INTEGER _In_ ULONG _In_ PFILE_OBJECT _In_ PVOID Process
Definition: fsrtlfuncs.h:223
#define EXCEPTION_EXECUTE_HANDLER
Definition: excpt.h:85
#define DBG_STATUS_WORKER
Definition: kdtypes.h:45
#define ASSERTMSG(msg, exp)
Definition: nt_native.h:431
#define UNREFERENCED_PARAMETER(P)
Definition: ntbasedef.h:317
_Out_ PKAPC_STATE ApcState
Definition: mm.h:1765
#define DBG_TERMINATE_PROCESS
Definition: ntstatus.h:51
VOID NTAPI KeStackAttachProcess(IN PKPROCESS Process, OUT PRKAPC_STATE ApcState)
Definition: procobj.c:704
VOID NTAPI KeUnstackDetachProcess(IN PRKAPC_STATE ApcState)
Definition: procobj.c:756
NTSTATUS NTAPI PsTerminateProcess(IN PEPROCESS Process, IN NTSTATUS ExitStatus)
Definition: kill.c:126
PEPROCESS NTAPI PsGetNextProcess(IN PEPROCESS OldProcess OPTIONAL)
Definition: process.c:128
#define _SEH2_GetExceptionCode()
Definition: pseh2_64.h:159
#define _SEH2_EXCEPT(...)
Definition: pseh2_64.h:34
#define ProbeForReadUchar(Ptr)
Definition: probe.h:61
uint32_t ULONG_PTR
Definition: typedefs.h:65
__analysis_noreturn NTSYSAPI VOID NTAPI DbgBreakPointWithStatus(_In_ ULONG Status)
KAPC_STATE
Definition: ketypes.h:1409
#define ObDereferenceObject
Definition: obfuncs.h:203

Referenced by ExpWorkerThreadBalanceManager().

◆ NtSystemDebugControl()

NTSTATUS NTAPI NtSystemDebugControl ( SYSDBG_COMMAND  ControlCode,
PVOID  InputBuffer,
ULONG  InputBufferLength,
PVOID  OutputBuffer,
ULONG  OutputBufferLength,
PULONG  ReturnLength 
)

Definition at line 182 of file dbgctrl.c.

188{
189 switch (ControlCode)
190 {
206 case SysDbgReadMsr:
207 case SysDbgWriteMsr:
213 case SysDbgBreakPoint:
229 default:
231 }
232}
IN CINT OUT PVOID IN ULONG OUT PULONG ReturnLength
Definition: dumpinfo.c:43
NTSTATUS NTAPI KdSystemDebugControl(_In_ SYSDBG_COMMAND Command, _In_ PVOID InputBuffer, _In_ ULONG InputBufferLength, _Out_ PVOID OutputBuffer, _In_ ULONG OutputBufferLength, _Inout_ PULONG ReturnLength, _In_ KPROCESSOR_MODE PreviousMode)
Definition: kdapi.c:2157
#define KeGetPreviousMode()
Definition: ketypes.h:1115
@ SysDbgCheckLowMemory
Definition: kdtypes.h:82
@ SysDbgQuerySpecialCalls
Definition: kdtypes.h:67
@ SysDbgSetTracepoint
Definition: kdtypes.h:64
@ SysDbgReadPhysical
Definition: kdtypes.h:72
@ SysDbgGetPrintBufferSize
Definition: kdtypes.h:87
@ SysDbgQueryTraceInformation
Definition: kdtypes.h:63
@ SysDbgClearSpecialCalls
Definition: kdtypes.h:66
@ SysDbgReadMsr
Definition: kdtypes.h:78
@ SysDbgWriteControlSpace
Definition: kdtypes.h:75
@ SysDbgGetKdBlockEnable
Definition: kdtypes.h:92
@ SysDbgWriteBusData
Definition: kdtypes.h:81
@ SysDbgEnableKernelDebugger
Definition: kdtypes.h:83
@ SysDbgWriteVirtual
Definition: kdtypes.h:71
@ SysDbgWritePhysical
Definition: kdtypes.h:73
@ SysDbgGetKdUmExceptionEnable
Definition: kdtypes.h:89
@ SysDbgQueryVersion
Definition: kdtypes.h:69
@ SysDbgReadControlSpace
Definition: kdtypes.h:74
@ SysDbgReadBusData
Definition: kdtypes.h:80
@ SysDbgBreakPoint
Definition: kdtypes.h:68
@ SysDbgSetKdUmExceptionEnable
Definition: kdtypes.h:90
@ SysDbgReadIoSpace
Definition: kdtypes.h:76
@ SysDbgGetAutoKdEnable
Definition: kdtypes.h:85
@ SysDbgWriteMsr
Definition: kdtypes.h:79
@ SysDbgReadVirtual
Definition: kdtypes.h:70
@ SysDbgSetPrintBufferSize
Definition: kdtypes.h:88
@ SysDbgQueryModuleInformation
Definition: kdtypes.h:62
@ SysDbgSetAutoKdEnable
Definition: kdtypes.h:86
@ SysDbgGetTriageDump
Definition: kdtypes.h:91
@ SysDbgDisableKernelDebugger
Definition: kdtypes.h:84
@ SysDbgWriteIoSpace
Definition: kdtypes.h:77
@ SysDbgSetSpecialCall
Definition: kdtypes.h:65
@ SysDbgSetKdBlockEnable
Definition: kdtypes.h:93
#define STATUS_NOT_IMPLEMENTED
Definition: ntstatus.h:239
#define STATUS_INVALID_INFO_CLASS
Definition: ntstatus.h:240
_In_ WDFREQUEST _In_ size_t OutputBufferLength
Definition: wdfio.h:320
_In_ WDFREQUEST _In_ size_t _In_ size_t InputBufferLength
Definition: wdfio.h:322
_Must_inspect_result_ _In_ WDFIOTARGET _In_opt_ WDFREQUEST _In_opt_ PWDF_MEMORY_DESCRIPTOR OutputBuffer
Definition: wdfiotarget.h:863
_Must_inspect_result_ _In_ WDFIOTARGET _In_opt_ WDFREQUEST _In_opt_ PWDF_MEMORY_DESCRIPTOR InputBuffer
Definition: wdfiotarget.h:953
_IRQL_requires_same_ typedef _In_ ULONG ControlCode
Definition: wmitypes.h:55

Variable Documentation

◆ ExpDebuggerPageIn

ULONG_PTR ExpDebuggerPageIn

Definition at line 28 of file dbgctrl.c.

Referenced by ExpDebuggerWorker().

◆ ExpDebuggerProcessAttach

PEPROCESS ExpDebuggerProcessAttach

Definition at line 26 of file dbgctrl.c.

Referenced by ExpDebuggerWorker().

◆ ExpDebuggerProcessKill

PEPROCESS ExpDebuggerProcessKill

Definition at line 27 of file dbgctrl.c.

Referenced by ExpDebuggerWorker().

◆ ExpDebuggerWork

WINKD_WORKER_STATE ExpDebuggerWork

Definition at line 25 of file dbgctrl.c.

Referenced by ExpDebuggerWorker(), and ExpWorkerThreadBalanceManager().

◆ ExpDebuggerWorkItem

WORK_QUEUE_ITEM ExpDebuggerWorkItem

Definition at line 20 of file dbgctrl.c.

Referenced by ExpWorkerThreadBalanceManager().