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| Aniskevich Sergey via .NET 247 (VIP) |
I am have problem with Debugging API under C# (Framework 2.0). A am run Debugged process as follows:
int size;
GetCORVersion(null, 0, out size);
Debug.Assert(size > 0);
StringBuilder sb = new StringBuilder(size);
int hr = GetCORVersion(sb, sb.Capacity, out size);
CreateDebuggingInterfaceFromVersion(3, sb.ToString(), out m_ICorDebug);
Debug.Assert(m_ICorDebug != null);
m_ICorDebug.Initialize();
CManagedCallback _mc = new CManagedCallback(this);
m_ICorDebug.SetManagedHandler(_mc);
PROCESS_INFORMATION pi = new PROCESS_INFORMATION();
STARTUPINFO si = new STARTUPINFO();
si.cb = Marshal.SizeOf(si);
// initialize safe handles
si.hStdInput = new Microsoft.Win32.SafeHandles.SafeFileHandle(new IntPtr(0), false);
si.hStdOutput = new Microsoft.Win32.SafeHandles.SafeFileHandle(new IntPtr(0), false);
si.hStdError = new Microsoft.Win32.SafeHandles.SafeFileHandle(new IntPtr(0), false);
//constrained execution region (CER)
System.Runtime.CompilerServices.RuntimeHelpers.PrepareConstrainedRegions();
string commandLine = "WindowsApplication1.exe";
string applicationName = null;
int flags = 0;
string currentDirectory = ".";
IntPtr environment = new IntPtr(0);
m_ICorDebug.CreateProcess(
applicationName,
commandLine,
null,
null,
1,
(uint)flags,
environment,
currentDirectory,
si,
pi,
CorDebugCreateProcessFlags.DEBUG_NO_SPECIAL_OPTIONS,
out m_ICorDebugProcess);
CloseHandle(pi.hThread);
CloseHandle(pi.hProcess);
But one function of a class (CManagedCallbck : ICorDebugManagedCallback) is not callback.
In what a problem?
Best regards
-----------------------
Posted by a user from .NET 247 (http://www.dotnet247.com/)
<Id>SOeem8tB8UWHhvFHTwmSdA==</Id>
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| Jan Stranik (VIP) |
Hello Aniskevich,
from your code snippet I cannot determine why is your code not working.
Generally it is possible to write a debugger in managed code.
We have a complete sample of managed debugger written in C#, feel free to
refer to it for your needs,
The sample is located at:
http://www.microsoft.com/downloads/details.aspx?familyid=38449a42-6b7a-4e28-
80ce-c55645ab1310&displaylang=en.
Regards
/jan
--------------------
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8.phx.gbl!TK2MSFTNGP14.phx.gbl
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| Sergey |
Thanks for your answer.
I studied before your example
(http://www.microsoft.com/downloads/details.aspx?familyid=38449a42-6b7a-4e28-80ce-c55645ab1310&displaylang=en" target="_blank">http://www.microsoft.com/downloads/details.aspx?familyid=38449a42-6b7a-4e28-80ce-c55645ab1310&displaylang=en),
however it very complex and I has got confused.
If it is possible, send, please, the simple example in which occurs
creation ICorDebug, ICorDebugManagedCallback and calling method
CreateProcess.
Beforehand thanks.
e-mail: Click here to reveal e-mail address
Click here to reveal e-mail address (Jan Stranik) wrote in message news:<Click here to reveal e-mail address>...
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| Jan Stranik (VIP) |
Hello Aniskevich,
I understand the reading (and also writing) debugger code is non-trivial.
The API is pretty complicated. On the other hand you
need to expect non-trivial API for anything that is doing so powerfull
operation as enabling debugging.
I recommend you studying code in the corapi\debug directory first in the
sample. Also, please refer to CorDebug.idl header file that describes
what individual API do.
If you want to learn more about the debugger, and would like to get to some
more simplistic code, I would recommand, that you start with
the mentioned sample and keep removing parts that you don't need.
/jan
--------------------
| From: Click here to reveal e-mail address (Sergey)
| Newsgroups: microsoft.public.dotnet.framework.clr
| Subject: Re: Debugger API
| Date: 13 Sep 2004 23:00:17 -0700
| Organization: http://groups.google.com
| Lines: 115
| Message-ID: <Click here to reveal e-mail address>
| References: <#Click here to reveal e-mail address>
<Click here to reveal e-mail address>
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| X-Tomcat-NG: microsoft.public.dotnet.framework.clr
|
| Thanks for your answer.
| I studied before your example
|
(http://www.microsoft.com/downloads/details.aspx?familyid=38449a42-6b7a-4e28
-80ce-c55645ab1310&displaylang=en),
| however it very complex and I has got confused.
|
| If it is possible, send, please, the simple example in which occurs
| creation ICorDebug, ICorDebugManagedCallback and calling method
| CreateProcess.
|
|
| Beforehand thanks.
| e-mail: Click here to reveal e-mail address
|
| Click here to reveal e-mail address (Jan Stranik) wrote in message
news:<Click here to reveal e-mail address>...
| > Hello Aniskevich,
| > from your code snippet I cannot determine why is your code not working.
| > Generally it is possible to write a debugger in managed code.
| > We have a complete sample of managed debugger written in C#, feel free
to
| > refer to it for your needs,
| > The sample is located at:
| >
http://www.microsoft.com/downloads/details.aspx?familyid=38449a42-6b7a-4e28-
| > 80ce-c55645ab1310&displaylang=en.
| >
| > Regards
| > /jan
| >
| > --------------------
| > >From: Aniskevich Sergey via .NET 247 <Click here to reveal e-mail address>
| > >X-Newsreader: AspNNTP 1.50 (Matthew Reynolds Consulting)
| > >Subject: Debugger API
| > >Mime-Version: 1.0
| > >Content-Type: text/plain; charset="us-ascii"
| > >Content-Transfer-Encoding: 7bit
| > >Message-ID: <#Click here to reveal e-mail address>
| > >Newsgroups: microsoft.public.dotnet.framework.clr
| > >Date: Fri, 03 Sep 2004 02:58:52 -0700
| > >NNTP-Posting-Host: 81-86-69-114.dsl.pipex.com 81.86.69.114
| > >Lines: 1
| > >Path:
| >
cpmsftngxa10.phx.gbl!TK2MSFTNGXA02.phx.gbl!TK2MSFTNGXA01.phx.gbl!TK2MSFTNGP0
| > 8.phx.gbl!TK2MSFTNGP14.phx.gbl
| > >Xref: cpmsftngxa10.phx.gbl microsoft.public.dotnet.framework.clr:11779
| > >X-Tomcat-NG: microsoft.public.dotnet.framework.clr
| > >
| > >I am have problem with Debugging API under C# (Framework 2.0). A am
run
| > Debugged process as follows:
| > >
| > >int size;
| > > GetCORVersion(null, 0, out size);
| > > Debug.Assert(size > 0);
| > > StringBuilder sb = new StringBuilder(size);
| > > int hr = GetCORVersion(sb, sb.Capacity, out size);
| > >
| > > CreateDebuggingInterfaceFromVersion(3, sb.ToString(), out
| > m_ICorDebug);
| > > Debug.Assert(m_ICorDebug != null);
| > >
| > > m_ICorDebug.Initialize();
| > > CManagedCallback _mc = new CManagedCallback(this);
| > > m_ICorDebug.SetManagedHandler(_mc);
| > >
| > >
| > > PROCESS_INFORMATION pi = new PROCESS_INFORMATION();
| > >
| > > STARTUPINFO si = new STARTUPINFO();
| > > si.cb = Marshal.SizeOf(si);
| > >
| > > // initialize safe handles
| > > si.hStdInput = new
| > Microsoft.Win32.SafeHandles.SafeFileHandle(new IntPtr(0), false);
| > > si.hStdOutput = new
| > Microsoft.Win32.SafeHandles.SafeFileHandle(new IntPtr(0), false);
| > > si.hStdError = new
| > Microsoft.Win32.SafeHandles.SafeFileHandle(new IntPtr(0), false);
| > >
| > > //constrained execution region (CER)
| > >
| >
System.Runtime.CompilerServices.RuntimeHelpers.PrepareConstrainedRegions();
| > > string commandLine = "WindowsApplication1.exe";
| > > string applicationName = null;
| > > int flags = 0;
| > > string currentDirectory = ".";
| > > IntPtr environment = new IntPtr(0);
| > >
| > > m_ICorDebug.CreateProcess(
| > > applicationName,
| > > commandLine,
| > > null,
| > > null,
| > > 1,
| > > (uint)flags,
| > > environment,
| > > currentDirectory,
| > > si,
| > > pi,
| > >
| > CorDebugCreateProcessFlags.DEBUG_NO_SPECIAL_OPTIONS,
| > > out m_ICorDebugProcess);
| > >
| > > CloseHandle(pi.hThread);
| > > CloseHandle(pi.hProcess);
| > >
| > >
| > >
| > >But one function of a class (CManagedCallbck :
ICorDebugManagedCallback)
| > is not callback.
| > >In what a problem?
| > >
| > >Best regards
| > >
| > >-----------------------
| > >Posted by a user from .NET 247 (http://www.dotnet247.com/)
| > >
| > ><Id>SOeem8tB8UWHhvFHTwmSdA==</Id>
| > >
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| Sergey |
It is another code. The programm crash on CreateProcess, give error
frame "WindowsApplication1.exe - Application Error":
The application failed to initialize properly (0xc0000005). Click on
Ok to terminate the application.
In what a problem?
CorDebug cordbg = new CorDebug();
ICorDebug Icordbg = (ICorDebug) cordbg;
Icordbg.Initialize();
CManagedCallback callback = new CManagedCallback();
Icordbg.SetManagedHandler((ICorDebugManagedCallback)callback);
STARTUPINFO si = new STARTUPINFO();
PROCESS_INFORMATION pi = new PROCESS_INFORMATION();
si.cb = Marshal.SizeOf(si);
System.String lpApplicationName = "C:\\WindowsApplication1.exe";
System.String lpCommandLine = "";
CORDBLib._SECURITY_ATTRIBUTES lpProcessAttributes = new
_SECURITY_ATTRIBUTES();
CORDBLib._SECURITY_ATTRIBUTES lpThreadAttributes = new
_SECURITY_ATTRIBUTES();
System.Int32 bInheritHandles = 0;
System.UInt32 dwCreationFlags = 0;
System.IntPtr lpEnvironment = IntPtr.Zero;
System.String lpCurrentDirectory =".";
IntPtr gch_si =(IntPtr) GCHandle.Alloc( si );
IntPtr gch_pi =(IntPtr) GCHandle.Alloc( pi );
System.UInt32 lpStartupInfo = (UInt32) gch_si;
System.UInt32 lpProcessInformation = (UInt32) gch_pi;
CORDBLib.CorDebugCreateProcessFlags debuggingFlags ;
ICorDebugProcess ppProcess = null;
Icordbg.CreateProcess (
lpApplicationName,
lpCommandLine,
ref lpProcessAttributes,
ref lpThreadAttributes,
bInheritHandles,
dwCreationFlags,
lpEnvironment,
lpCurrentDirectory,
lpStartupInfo,
lpProcessInformation,
CORDBLib.CorDebugCreateProcessFlags.DEBUG_NO_SPECIAL_OPTIONS,
out ppProcess);
}
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| Sergey |
It is another code that crash in Icordbg.CreateProcess:
"The application failed to initialize properly (0xc0000005)."
CorDebug cordbg = new CorDebug();
ICorDebug Icordbg = (ICorDebug) cordbg;
Icordbg.Initialize();
CManagedCallback callback = new CManagedCallback();
Icordbg.SetManagedHandler((ICorDebugManagedCallback)callback);
STARTUPINFO si = new STARTUPINFO();
PROCESS_INFORMATION pi = new PROCESS_INFORMATION();
si.cb = Marshal.SizeOf(si);
System.String lpApplicationName = "C:\\WindowsApplication1.exe";
System.String lpCommandLine = "";
CORDBLib._SECURITY_ATTRIBUTES lpProcessAttributes = new _SECURITY_ATTRIBUTES();
CORDBLib._SECURITY_ATTRIBUTES lpThreadAttributes = new _SECURITY_ATTRIBUTES();
System.Int32 bInheritHandles = 0;
System.UInt32 dwCreationFlags = 0x0020;
System.IntPtr lpEnvironment = IntPtr.Zero;
System.String lpCurrentDirectory =".";
IntPtr gch_si =(IntPtr) GCHandle.Alloc( si );
IntPtr gch_pi =(IntPtr) GCHandle.Alloc( pi );
System.UInt32 lpStartupInfo = (UInt32) gch_si;
System.UInt32 lpProcessInformation = (UInt32) gch_pi;
CORDBLib.CorDebugCreateProcessFlags debuggingFlags ;
ICorDebugProcess ppProcess = null;
Icordbg.CreateProcess (
lpApplicationName,
lpCommandLine,
ref lpProcessAttributes,
ref lpThreadAttributes,
bInheritHandles,
dwCreationFlags,
lpEnvironment,
lpCurrentDirectory,
lpStartupInfo,
lpProcessInformation,
CORDBLib.CorDebugCreateProcessFlags.DEBUG_NO_SPECIAL_OPTIONS,
out ppProcess);
}
}
[StructLayout(LayoutKind.Sequential)]
internal struct STARTUPINFO
{
internal int cb;
[MarshalAs(UnmanagedType.LPTStr)]
internal string lpReserved;
[MarshalAs(UnmanagedType.LPTStr)]
internal string lpDesktop;
[MarshalAs(UnmanagedType.LPTStr)]
internal string lpTitle;
internal int dwX;
internal int dwY;
internal int dwXSize;
internal int dwYSize;
internal int dwXCountChars;
internal int dwYCountChars;
internal int dwFillAttribute;
internal int dwFlags;
internal short wShowWindow;
internal short cbReserved2;
internal IntPtr lpReserved2;
internal IntPtr hStdInput;
internal IntPtr hStdOutput;
internal IntPtr hStdError;
}
[StructLayout(LayoutKind.Sequential)]
internal struct PROCESS_INFORMATION
{
internal IntPtr hProcess;
internal IntPtr hThread;
internal int dwProcessId;
internal int dwThreadId;
}
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| Jan Stranik (VIP) |
Aniskevich,
I don't know why is your code not working. From the code snippet you have
attached, I cannot tell the problem.
Please refer to the working mdbg sample.
/jan
--------------------
| From: Click here to reveal e-mail address (Sergey)
| Newsgroups: microsoft.public.dotnet.framework.clr
| Subject: Re: Debugger API
| Date: 17 Sep 2004 02:05:44 -0700
| Organization: http://groups.google.com
| Lines: 91
| Message-ID: <Click here to reveal e-mail address>
| References: <#Click here to reveal e-mail address>
<Click here to reveal e-mail address>
<Click here to reveal e-mail address>
<Click here to reveal e-mail address>
| NNTP-Posting-Host: 195.225.130.127
| Content-Type: text/plain; charset=ISO-8859-1
| Content-Transfer-Encoding: 8bit
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| NNTP-Posting-Date: Fri, 17 Sep 2004 09:05:45 +0000 (UTC)
| Path:
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| Xref: cpmsftngxa06.phx.gbl microsoft.public.dotnet.framework.clr:11838
| X-Tomcat-NG: microsoft.public.dotnet.framework.clr
|
| It is another code that crash in Icordbg.CreateProcess:
| "The application failed to initialize properly (0xc0000005)."
|
| CorDebug cordbg = new CorDebug();
| ICorDebug Icordbg = (ICorDebug) cordbg;
| Icordbg.Initialize();
|
| CManagedCallback callback = new CManagedCallback();
| Icordbg.SetManagedHandler((ICorDebugManagedCallback)callback);
|
| STARTUPINFO si = new STARTUPINFO();
| PROCESS_INFORMATION pi = new PROCESS_INFORMATION();
|
| si.cb = Marshal.SizeOf(si);
|
|
|
|
|
| System.String lpApplicationName = "C:\\WindowsApplication1.exe";
| System.String lpCommandLine = "";
| CORDBLib._SECURITY_ATTRIBUTES lpProcessAttributes = new
_SECURITY_ATTRIBUTES();
| CORDBLib._SECURITY_ATTRIBUTES lpThreadAttributes = new
_SECURITY_ATTRIBUTES();
| System.Int32 bInheritHandles = 0;
|
| System.UInt32 dwCreationFlags = 0x0020;
| System.IntPtr lpEnvironment = IntPtr.Zero;
| System.String lpCurrentDirectory =".";
|
| IntPtr gch_si =(IntPtr) GCHandle.Alloc( si );
| IntPtr gch_pi =(IntPtr) GCHandle.Alloc( pi );
|
|
| System.UInt32 lpStartupInfo = (UInt32) gch_si;
| System.UInt32 lpProcessInformation = (UInt32) gch_pi;
|
| CORDBLib.CorDebugCreateProcessFlags debuggingFlags ;
| ICorDebugProcess ppProcess = null;
|
|
| Icordbg.CreateProcess (
| lpApplicationName,
| lpCommandLine,
| ref lpProcessAttributes,
| ref lpThreadAttributes,
| bInheritHandles,
| dwCreationFlags,
| lpEnvironment,
| lpCurrentDirectory,
| lpStartupInfo,
| lpProcessInformation,
| CORDBLib.CorDebugCreateProcessFlags.DEBUG_NO_SPECIAL_OPTIONS,
| out ppProcess);
|
| }
| }
|
| [StructLayout(LayoutKind.Sequential)]
| internal struct STARTUPINFO
| {
| internal int cb;
| [MarshalAs(UnmanagedType.LPTStr)]
| internal string lpReserved;
| [MarshalAs(UnmanagedType.LPTStr)]
| internal string lpDesktop;
| [MarshalAs(UnmanagedType.LPTStr)]
| internal string lpTitle;
| internal int dwX;
| internal int dwY;
| internal int dwXSize;
| internal int dwYSize;
| internal int dwXCountChars;
| internal int dwYCountChars;
| internal int dwFillAttribute;
| internal int dwFlags;
| internal short wShowWindow;
| internal short cbReserved2;
| internal IntPtr lpReserved2;
| internal IntPtr hStdInput;
| internal IntPtr hStdOutput;
| internal IntPtr hStdError;
| }
|
| [StructLayout(LayoutKind.Sequential)]
| internal struct PROCESS_INFORMATION
| {
| internal IntPtr hProcess;
| internal IntPtr hThread;
| internal int dwProcessId;
| internal int dwThreadId;
| }
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