I have always found the following works for me.
1) Set the breakpoint
2) Do the "build run"
3) I attach the debugger as soon as I can to secmain.exe
Then when the module with the breakpoint loads visual studio changes the color
of the breakpoint to indicate that it's possible to hit...
-Jaben
From: Andrew Fish [mailto:af...@apple.com]
Sent: Friday, December 13, 2013 11:51 AM
To: Amit Kulkarni; edk2-devel@lists.sourceforge.net
Subject: Re: [edk2] How to debug application running in secmain with
WinDbg/VS2010
On Dec 13, 2013, at 2:53 AM, Amit Kulkarni
<amit_balasaheb2...@yahoo.com<mailto:amit_balasaheb2...@yahoo.com>> wrote:
Hi All,
I am trying to debug hello sample from EADK running in NT32(secmain) using
WinDbg & VS2010 but my breakpoint does not hit. I observed that lm command does
not show hello in loaded module list.
An Application loads, executes, and then unloads. So if the Application is not
running you will not see it in the list.
So is it possible to debug in NT32(secmain) using WinDbg/VS2010?
Is there any way to do source level debugging while running in secmain?
So it's been a lot of years since I used Visual Studio, but NT32 is just an
application so you should be able to debug it directly with VS2010. I'm
guessing the default build of NT32 does not support WinDbg as you need to do
special magic(tm) to load symbols of EFI modules in VS2010 (Thus the standard
WinDbg serial stuff is probably not hooked in). The LoadLibraryEx() call in
SecNt32PeCoffRelocateImage in
https://svn.code.sf.net/p/edk2/code/trunk/edk2/Nt32Pkg/Sec/SecMain.c is what
makes symbols visible to VS2010. SecMain is a Windows Application so you should
not have any issues debugging that directly with VS2010.
To use WinDbg I think you need to use OVFM and establish a serial connection
with the VM.
Thanks,
Andrew Fish
Thanks & Regards,
Amit Kulkarni.
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