Re: unable to set breakpoint
- From: jetan@xxxxxxxxxxxxxxxxxxxx ("Jeffrey Tan[MSFT]")
- Date: Fri, 01 Feb 2008 03:28:56 GMT
Hi Dave,
Thanks for your detailed feedback and sorry for the late response, I am out
of office yesterday.
Sorry, I am a bit confused by your following statement:
"By updating the C/C++ option, I'm not able to set a breakpoint and do
source-level debugging on the library regardless of where its located on my
machine."
I am not sure if the word "not" is a typo or not since you said you had
found the problem.
Regarding your original workaround, I suspect this is an internal algorithm
of VS debugger. Actually, the simplest way to tell the VS debugger where to
probe the source code files is setting the "Source Paths":
Right click Solution / Properties / Source Paths
This should be a simple solution without maintaining a source server.
Regarding the debug information generation in compiler and linker, the
great article below should be informative:
"generating debug information with visual c++"
http://www.debuginfo.com/articles/gendebuginfo.html
The PDB file format is undocumented, so I do not know of a tool to examine
it yet.(If anyone can share one, I'd like to hear) I think we have to use
dbghelp.dll API to check the source file information in it. Another simple
way is using the "!lmi" command in windbg, see the "Load Report: private
symbols & lines, source indexed" line below:
0:000> !lmi ntdll
Loaded Module Info: [ntdll]
Module: ntdll
Base Address: 7c800000
Image Name: ntdll.dll
Machine Type: 332 (I386)
Time Stamp: 45d70ad8 Sat Feb 17 22:02:00 2007
Size: c0000
CheckSum: bd6f9
Characteristics: 210e perf
Debug Data Dirs: Type Size VA Pointer
CODEVIEW 22, 86a6c, 85e6c RSDS - GUID:
{93E72E10-9DC8-4F16-AA54-797E4DA8C168}
Age: 2, Pdb: ntdll.pdb
CLSID 4, 86a68, 85e68 [Data not mapped]
Image Type: FILE - Image read successfully from debugger.
C:\WINDOWS\system32\ntdll.dll
Symbol Type: PDB - Symbols loaded successfully from symbol server.
c:\LocalSymbols\ntdll.pdb\93E72E109DC84F16AA54797E4DA8C1682\ntdll.pdb
Compiler: C++ - front end [13.10 bld 4035] - back end [13.10 bld
4035]
Load Report: private symbols & lines, source indexed
c:\LocalSymbols\ntdll.pdb\93E72E109DC84F16AA54797E4DA8C1682\ntdll.pdb
Hope it helps.
Best regards,
Jeffrey Tan
Microsoft Online Community Support
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