On Tue, Mar 13, 2012 at 12:46 PM, Kai Tietz <[email protected]> wrote: > 2012/3/13 Earnie Boyd <[email protected]>: >> On Tue, Mar 13, 2012 at 4:41 AM, Vincent Torri <[email protected]> >> wrote: >>> Hey, >>> >>> I'm trying to get the callstack of programs, so I try to use dbghelp. >>> The code is here: >>> >>> http://codepad.org/wAhYYChY >>> >>> compilation is fine (see the first line to see how I compile it with >>> mingw). I use mingw-w64, Windows XP SP2 running in virtualbox. >>> >>> The binary compiled with Visual Studio 2008 express is working correctly >>> The binary compiled with mingw gives the following errors : >>> >>> SymGetSymFromAddr64() failed ( 487) Attempt to access invalid address. >>> SymGetLineFromAddr64() failed ( 487) Attempt to access invalid address. >>> >> >> MSDN says "Note This function is provided only for compatibility. >> Applications should use SymFromAddr." >> >> How would these work in a 32 bit platform? Examples on MSDN suggest >> that it wouldn't. >> >> -- >> Earnie > > Correct, Use here SysFromAddr. Nevertheless the underlying issue here > is that dbghelp API depends internally on MS generated CV information > for providing more detailed information. So I assume the > access-violation you see is caused by invalid lookup for those tables.
Indeed, the doc says that I should use SysFromAddr. But I have exactly the same errors. The updated code : http://codepad.org/PXHxGyyL > PS: Your to be "fixed" cast should use instead of (DWORD) the (DWORD_PTR) > cast. Thank you, it's done Vincent ------------------------------------------------------------------------------ Keep Your Developer Skills Current with LearnDevNow! The most comprehensive online learning library for Microsoft developers is just $99.99! Visual Studio, SharePoint, SQL - plus HTML5, CSS3, MVC3, Metro Style Apps, more. Free future releases when you subscribe now! http://p.sf.net/sfu/learndevnow-d2d _______________________________________________ Mingw-w64-public mailing list [email protected] https://lists.sourceforge.net/lists/listinfo/mingw-w64-public
