On Oct 8, 2013, at 2:00 PM, Jean-Daniel Dupas <[email protected]> wrote:
> > Le 8 oct. 2013 à 20:22, David Fang <[email protected]> a écrit : > >> Nick, >> >>> On Oct 7, 2013, at 7:38 PM, David Fang wrote: >>>> Hi Nick, >>>> Thanks for the libunwind commit! >>>> Would it be possible to also include "mach-o/dyld_priv.h" as well? It >>>> is referenced by src/Unwind/AddressSpace.hpp. I have a copy of that >>>> header from a 2009 distribution of cctools. >>>> (I'm still building on powerpc-darwin8.) >> >>> Having that header is not going to help. The header declarations a >>> function in libSystem.dylib which the unwinder calls to get the address of >>> the __eh_frame for a given pc. That function is not in the darwin8 >>> libSystem. We'll need to write an equivalent using dladdr() and >>> getsectiondata() for older MacOSX versions. >> >> What is the name of that function (where it is available)? Would >> something like this be available somewhere in LLVM? >> > > It is _dyld_find_unwind_sections() used to find __eh_frame and > _dyld_register_func_for_remove_image() used to track unloaded libraries and > prune the cache accordingly. > > But even if you manage to fix the dyld dependency, it will just get you to an > other missing private header error (pthread_machdep.h from libc) which > provides direct access to thread local variables (maybe that one can be > replaced by a __thread var though). The use of pthread_machdep.h is for SJLJ based exceptions (arm) and not ppc. I’ve just committed a change that conditionalizes that include so it is not needed for powerpc. -Nick _______________________________________________ cfe-commits mailing list [email protected] http://lists.cs.uiuc.edu/mailman/listinfo/cfe-commits
