Em Tue, Mar 25, 2008 at 12:24:14PM -0500, Florin Iucha escreveu: > Arnaldo, > > Thanks for the quick reply! > > On Tue, Mar 25, 2008 at 01:41:03PM -0300, Arnaldo Carvalho de Melo wrote: > > > I have three object files: one is 'dwarves.o' from the pahole > > > distribution, compiled with 'gcc -g'. Another is 'foobar.o' from my > > > own embedded application, compiled with the same compiler, on the same > > > box [1]. The third object file is 'foobar.o' compiled with some > > > version of compiler (Metrowerks?) for the embedded platform that we use. > > > > > > If I use 'objdump -W' on all three files, I get heaps of information, > > > including the structure definitions and other stuff. Good. > > > > can you try with: > > > > # binutils > > readelf -w i build/pahole > > > > # elfutils > > eu-readelf -w i build/pahole > > Yup. I get the same (or very similar) information. > > > > The most puzzling thing is that two object files, compiled with the > > > same compiler on the same machine have different enough DWARF data > > > that one works with pahole and one doesn't. > > > > > > What can I do to follow through with this? Contact the elfutils > > > maintainers? > > > > Possibly, but can you make these two object files available somewhere? > > I'd like to take a look... > > See the attached file. If you just compile it with 'gcc -g -c hello.c', > pahole works fine on the resulting object file. If at line 17 you change > '#if 0' to '#if 1', pahole will complain about the lack of CTF (sorry, > I didn't have time to pull your updates). ACK, reproduced here, will investigate, strange indeed. - Arnaldo -- To unsubscribe from this list: send the line "unsubscribe dwarves" in the body of a message to majordomo@xxxxxxxxxxxxxxx More majordomo info at http://vger.kernel.org/majordomo-info.html
