Sergey Bugaev via Libc-alpha, le jeu. 13 avril 2023 13:02:58 +0300, a ecrit: > this is our very own thread port, the result of mach_thread_self () > which was called just several moments ago in hurd_self_sigstate ()!
IIRC this is cached inside glibc... in a TLS variable probably. And thus if that cache is not properly set up because TLS/non-TLS is not clear at some point, mayhem happens :) > > (gdb) watch $gs > > Watchpoint 2: $gs > > (gdb) c > > Continuing. > > Cool, I didn't know you could watch a register like that -- although > it appears to be super slow, so it must be not using hardware > watchpoints. Yes, it's all software. Gdb can do a lot in software, it's just very slow :) > What you should really check is not what GDB prints on "l __write", > but rather what the GOT/PLT slots inside ld.so contain; Yes, sure, I just don't have time to dive into that. Samuel
