Luca Ferrari <[email protected]> writes:
> Hi all, > this could be trivial, but I have a doubt about libreadline. > In short: I've a program (pspg) that is crashing, and after inspecting > the core I found in the backtrace a reference to libreadline. The > program has been linked to libreadline 4, but in the system readline 7 > is installed. > My doubt is that I'm messing around with numbers, and I'm unable to > find the package for libreadline. The application is a PostgreSQL > pager (<https://github.com/okbob/pspg>) that is not already in the > ports. > Also note, in the gdb output, there is a problem with ld symbols, > could it be related? > What am I missing here? > > Thanks, > Luca > > puffy$ uname -sr > OpenBSD 6.9 > puffy$ ldd $(which pspg) > /usr/local/bin/pspg: > Start End Type Open Ref GrpRef Name > 00000bfbf0bb6000 00000bfbf0c03000 exe 1 0 0 > /usr/local/bin/pspg > 00000bfed823a000 00000bfed826a000 rlib 0 2 0 > /usr/lib/libm.so.10.1 > 00000bfe67167000 00000bfe671a8000 rlib 0 1 0 > /usr/lib/libreadline.so.4.0 `pspg' is linked against system' libreadline so... > 00000bfec62e9000 00000bfec62ef000 rlib 0 1 0 >[...] > puffy$ pkg_info | grep readline > readline-7.0p0 library to edit command lines as they are typed in readline from ports shouldn't be needed. Moreover, port's readline install files as `libereadline', so it should be difficult to pick those header by accident. > puffy$ gdb $(which pspg) pspg.core gdb in base is pretty old. Install the `gdb' package which provides `egdb' (a more up-to-date gdb) or use lldb from base. So, either # pkg_add gdb $ egdb $(which pspg) pspg.core or $ lldb --core pspg.core $(which pspg) and then try to get a backtrace again HTH >[...] > Dwarf Error: wrong version in compilation unit header (is 4, should > be 2) [in module /usr/libexec/ld.so] > #0 0x0000000000000000 in ?? () > (gdb) bt > #0 0x0000000000000000 in ?? () > #1 0x00000bacf99001b6 in rl_callback_handler_install > (prompt=Variable "prompt" is not available. > ) at /usr/src/gnu/lib/libreadline/callback.c:75 > #2 0x00000baa60b446b4 in get_string (prompt=0xbaa60b13c53 "/", > buffer=0x7f7ffffeed10 "\t", maxsize=255, defstr=0xbaa60b57860 "", > _tabcomplete_mode=Variable "_tabcomplete_mode" is not available. > ) at src/readline.c:588 > #3 0x00000baa60b352d8 in main (argc=0, argv=0x1) at src/pspg.c:5405
