diff options
| author | Sergey Bugaev <bugaevc@gmail.com> | 2024-03-23 20:32:59 +0300 |
|---|---|---|
| committer | Samuel Thibault <samuel.thibault@ens-lyon.org> | 2024-03-23 23:00:30 +0100 |
| commit | dc1a77269c971652a8a5167ec366792eae052e65 (patch) | |
| tree | 5da3b6767ba21b2405404f9c9228a7af5b67decb /sysdeps/mach | |
| parent | a4273efa219480a7f2c9c8fa7bc8bb71c48c3604 (diff) | |
| download | glibc-dc1a77269c971652a8a5167ec366792eae052e65.zip glibc-dc1a77269c971652a8a5167ec366792eae052e65.tar.gz glibc-dc1a77269c971652a8a5167ec366792eae052e65.tar.bz2 | |
htl: Implement some support for TLS_DTV_AT_TP
Signed-off-by: Sergey Bugaev <bugaevc@gmail.com>
Message-ID: <20240323173301.151066-19-bugaevc@gmail.com>
Diffstat (limited to 'sysdeps/mach')
| -rw-r--r-- | sysdeps/mach/hurd/htl/pt-sysdep.c | 9 |
1 files changed, 9 insertions, 0 deletions
diff --git a/sysdeps/mach/hurd/htl/pt-sysdep.c b/sysdeps/mach/hurd/htl/pt-sysdep.c index 270e775..5372cbf 100644 --- a/sysdeps/mach/hurd/htl/pt-sysdep.c +++ b/sysdeps/mach/hurd/htl/pt-sysdep.c @@ -100,7 +100,16 @@ _init_routine (void *stack) to the new stack. Pretend it wasn't allocated so that it remains valid if the main thread terminates. */ thread->stack = 0; +#if TLS_TCB_AT_TP thread->tcb = THREAD_SELF; +#elif TLS_DTV_AT_TP + /* Assuming THREAD_SELF is implemented as subtracting TLS_PRE_TCB_SIZE + from the value of a thread pointer regsiter, this should optimize + down to simply reading that register. */ + thread->tcb = (tcbhead_t *) (((char *) THREAD_SELF) + TLS_PRE_TCB_SIZE); +#else +# error "Either TLS_TCB_AT_TP or TLS_DTV_AT_TP must be defined" +#endif #ifndef PAGESIZE __pthread_default_attr.__guardsize = __vm_page_size; |