No, I know why things are failing: we are hitting the limits of the mach-o file format. There isn't anything we can do other than try the:
-flimit-debuginfo compiler flag. Add this to your builds (if you are using clang or llvm-gcc) and let me know how things work?? Greg On Sep 26, 2011, at 1:49 PM, Somorjai, Akos wrote: > One more thing: the .o files for the main executable only are nearly 8 GBs > in size; am I allowed to upload such amount to radar? > > Best, > > Ákos > > > > On 9/26/11 7:09 PM, "Greg Clayton" <[email protected]> wrote: > >> Ok, run the commands on your main executable that looks at all .o files >> and let me know what sizes it comes up with. I am guessing you probably >> can't file a bug and attach your executable and .o files? (no source >> would be needed). If I can reproduce the issue, I can fix it. >> >> Greg Clayton >> >> On Sep 26, 2011, at 10:03 AM, Somorjai, Akos wrote: >> >>> It's at least 39 MB-s; I can't tell exactly because dsymutil bails out >>> (the original problem). >>> I have a feeling that we are going in circles :) >>> >>> Best, Ákos >>> >>> 2011.09.26. dátummal, 18:57 időpontban "Greg Clayton" >>> <[email protected]> írta: >>> >>>> If you are linking a single architecture, unfortunately there isn't >>>> much you can do. Linking DWARF is a serialized process where we take >>>> DWARF from a bunch of .o files and then make a single out file. All >>>> DWARF sections have to be appended to one another and they have >>>> interdependencies, so even though dsymutil does use multi-threading to >>>> parse 8 .o files ahead, it doesn't help in the long run. clang and >>>> llvm-gcc make debug info that is around 4 times bigger that gcc, so >>>> this probably makes things worse for you guys. >>>> >>>> How big is your dSYM file? >>>> >>>> On Sep 26, 2011, at 6:38 AM, Somorjai, Akos wrote: >>>> >>>>> Greg, >>>>> >>>>> Another issue is dsymutil's speed; it takes about 10 minutes to run >>>>> it on >>>>> our main executable, which is more than unbearable. Is their anything >>>>> we >>>>> can do to reduce that time? >>>>> >>>>> Thanks, >>>>> >>>>> Akos >>>>> >>>> >> > _______________________________________________ lldb-dev mailing list [email protected] http://lists.cs.uiuc.edu/mailman/listinfo/lldb-dev
