Hi Stéphane, On Wed, 2024-06-19 at 13:28 +0200, Stéphane Glondu wrote: > > Can you maybe try passing "-malign-int" to CFLAGS/CXXFLAGS when building > > OCaml on m68k > > to verify this hypothesis? Please note that this also breaks the SysV ABI, > > so it's not > > possible to easily do this on a per-package basis. > > I observe the same behaviour with "-malign-int": the address of > caml_state (a thread local variable) changes unexpectedly (goes from > 0x402e5fac to 0x402e7454) after the following goto: > > > https://salsa.debian.org/ocaml-team/ocaml/-/blob/debian/experimental/runtime/interp.c?ref_type=heads#L295 > > which leads to: > > > https://salsa.debian.org/ocaml-team/ocaml/-/blob/debian/experimental/runtime/interp.c?ref_type=heads#L819 > > ...confirmed by adding: > > fprintf(stderr, "&caml_state = %p\n", &caml_state); > > before the goto and after the "Instruct(BRANCH):".
Hmm, I guess then maybe Andreas Schwab or Geert Uytterhoeven might have an idea what the problem with the TLS variable is. I'll CC both. Adrian -- .''`. John Paul Adrian Glaubitz : :' : Debian Developer `. `' Physicist `- GPG: 62FF 8A75 84E0 2956 9546 0006 7426 3B37 F5B5 F913
