On Thu, 13 Dec 2018 at 22:37, Roland McGrath <rol...@hack.frob.com> wrote: > > I think it's just missing. The hardest part is just deciding how the > configuration should work.
Thanks. My current attempt adds a new function call, dwfl_set_sysroot(), which works, but feels a bit clunky. I might see if I can just use the find_elf callback instead. > > On Thu, Dec 13, 2018, 12:27 Luke Diamand <l...@diamand.org wrote: >> >> I'm trying to get callstacks out of a core file using libdwfl where >> the ELF files live in a sysroot (and are from a different >> architecture, ARM). >> >> I'm possibly doing something stupid as I find that >> dwfl_link_map_report() opens /lib/libpthread.so on the *host* rather >> than the libpthread.so from my sysroot. It obviously doesn't then get >> very far. >> >> I called elf_begin(), dwfl_begin() and then dwfl_core_file_report(), >> passing in the path to the executable (in the sysroot). >> >> There's a comment in link_map.c around line 390 which says: >> >> // XXX hook for sysroot >> >> So inspired by this, I hacked in some code to open files relative to >> my sysroot and it all started working. >> >> Am I just missing some obvious setup, or is this just missing sysroot >> support? >> >> Thanks! >> Luke >> > -- > > > Thanks, > Roland
