Sergey Bugaev, le sam. 18 févr. 2023 23:37:17 +0300, a ecrit: > diff --git a/sysdeps/mach/hurd/x86_64/tls.h b/sysdeps/mach/hurd/x86_64/tls.h > new file mode 100644 > index 00000000..644dcb1a > --- /dev/null > +++ b/sysdeps/mach/hurd/x86_64/tls.h > @@ -0,0 +1,257 @@ > +# define TCB_ALIGNMENT 64
Please copy the comment about the penalty of non-64-aligned accesses. > +# define TLS_INIT_TP(descr) _hurd_tls_init ((tcbhead_t *) (descr)) > + > +# if __GNUC_PREREQ (6, 0) > + > +# define THREAD_SELF > \ > + (*(tcbhead_t * __seg_fs *) offsetof (tcbhead_t, tcb)) > +# define THREAD_GETMEM(descr, member) > \ > + (*(__typeof (descr->member) __seg_fs *) offsetof (tcbhead_t, member)) > +# define THREAD_SETMEM(descr, member, value) > \ > + (*(__typeof (descr->member) __seg_fs *) offsetof (tcbhead_t, member) = > value) > + > +# else I'd say don't bother keeping the non-gcc-6 case, since x86_64-gnu got added to gcc only recently. > +/* Set the stack guard field in TCB head. */ > +# define THREAD_SET_STACK_GUARD(value) > \ > + THREAD_SETMEM (THREAD_SELF, stack_guard, value) > +# define THREAD_COPY_STACK_GUARD(descr) > \ > + ((descr)->stack_guard > \ > + = THREAD_GETMEM (THREAD_SELF, stack_guard)) > + > +/* Set the pointer guard field in the TCB head. */ > +# define THREAD_SET_POINTER_GUARD(value) \ > + THREAD_SETMEM (THREAD_SELF, pointer_guard, value) > +# define THREAD_COPY_POINTER_GUARD(descr) \ > + ((descr)->pointer_guard \ > + = THREAD_GETMEM (THREAD_SELF, pointer_guard)) > + > +/* Install new dtv for current thread. */ > +# define INSTALL_NEW_DTV(dtvp) THREAD_SETMEM (THREAD_SELF, dtv, dtvp) > + > +/* Return the address of the dtv for the current thread. */ > +# define THREAD_DTV() THREAD_GETMEM (THREAD_SELF, dtv) Please keep #define order coherent with i386/tls.h > diff --git a/sysdeps/x86_64/htl/pt-machdep.h b/sysdeps/x86_64/htl/pt-machdep.h > new file mode 100644 > index 00000000..2e2846fa > --- /dev/null > +++ b/sysdeps/x86_64/htl/pt-machdep.h I don't think this is needed since we already have sysdeps/x86/htl/pt-machdep.h ? Samuel
