Have you tried a NOOPT vs. DEBUG build? The debug build has optimizations
cranked way up for your compiler to make stuff fit, so maybe you are just
seeing the compiler doing massive amounts of optimization?
Andrew Fish
https://edk2.svn.sourceforge.net/svnroot/edk2/trunk/edk2/BaseTools/Conf/tools_def.template
DEBUG_VS2008_X64_CC_FLAGS = /nologo /c /WX /GS- /X /W4 /Gs32768 /D
UNICODE /O1ib2s /GL /Gy /FIAutoGen.h /EHs-c- /GR- /GF /Zi /Gm
RELEASE_VS2008_X64_CC_FLAGS = /nologo /c /WX /GS- /X /W4 /Gs32768 /D
UNICODE /O1ib2s /GL /Gy /FIAutoGen.h /EHs-c- /GR- /GF
NOOPT_VS2008_X64_CC_FLAGS = /nologo /c /WX /GS- /X /W4 /Gs32768 /D
UNICODE /Gy /FIAutoGen.h /EHs-c- /GR- /GF /Zi /Gm /Od
On Jul 30, 2012, at 7:21 AM, Gray, Zachary C wrote:
> EFI Hackers,
> I am building some test applications using the MdeModulePkg in UDK2010.SR1, I
> am using the “VS2008x86” toolchain…
>
> When I compile for a 64-bit target I don’t seem to be getting debug symbols
> for all of the code, in particular my application code has no symbols at all.
> For example there are no line numbers for the UefiMain() application
> entrypoint function. But there are symbols for most of the boilerplate code
> such as the print functions in uefilibprint.c. These symbols are correct, I
> have verified them by manually looking at the line number to asm mapping, and
> I can set breakpoints, etc. So the toolchain is definitely compiling in
> debug mode and outputting a valid PDB file…
>
> If I compile the exact same code for a 32-bit target I get symbols for my
> application code.
>
> At first I suspected this was a problem with the debugger that I am using,
> but I found a utility in the MSDIA SDK called “dia2dump” and when I use that
> to examine the debug symbols for the 32-bit and 64-bit versions it shows the
> same results. This dia2dump utility is just sample code but seeing as how it
> ships with the DIA SDK I hope it is meaningful…
>
> Has anyone seen an issue like this and are there any ideas on how to resolve
> it?
>
> Thanks,
> Zach
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