Hi Florian, Thanks a lot for your reply, On Fri, Feb 10, 2023 at 3:48 PM Florian Weimer <fweimer@xxxxxxxxxx> wrote: > > * Andrew Burgess: > > > If this is the case, then no, GDB is certainly not thread safe. GDB > > isn't a library, and was not written as one. I guess it'll work just > > fine if you only try to use a single instance of GDB within "crash", but > > if you have multiple threads calling into different parts of GDB then > > things are going to go wrong quickly. > > Furthermore, GDB needs to use kernel interfaces which have properties > that are awkward for certain threading use cases, such as having to > conduct operations from specific threads. But if you only want to look > at coredumps, that won't matter (in theory, GDB is of course still > structured around such interfaces to some extent). > OK, I see... > > I don't know if any other debuggers are written more as a library, so > > can't help here, sorry. > > There is LLDB, but some time ago, I found it curiously non-aligned with > typical Linux userspace usage scenarios. It may matter less for kernel > crash dumps. > > There's also the possibility to read the ELF data structures directly. > It's harder for DWARF. > Thanks a lot for providing the info, so I can evaluate the effort needed for the project. Thanks, Tao Liu > Thanks, > Florian > -- Crash-utility mailing list Crash-utility@xxxxxxxxxx https://listman.redhat.com/mailman/listinfo/crash-utility Contribution Guidelines: https://github.com/crash-utility/crash/wiki
