diff options
Diffstat (limited to 'sysdeps/nptl/dl-tls_init_tp.c')
| -rw-r--r-- | sysdeps/nptl/dl-tls_init_tp.c | 14 |
1 files changed, 6 insertions, 8 deletions
diff --git a/sysdeps/nptl/dl-tls_init_tp.c b/sysdeps/nptl/dl-tls_init_tp.c index 092c274f36..7eb35fb133 100644 --- a/sysdeps/nptl/dl-tls_init_tp.c +++ b/sysdeps/nptl/dl-tls_init_tp.c @@ -45,8 +45,10 @@ rtld_mutex_dummy (pthread_mutex_t *lock) #endif const unsigned int __rseq_flags; -const unsigned int __rseq_size attribute_relro; -const ptrdiff_t __rseq_offset attribute_relro; + +/* The variables are in .data.relro but are not yet write-protected. */ +extern unsigned int _rseq_size attribute_hidden; +extern ptrdiff_t _rseq_offset attribute_hidden; void __tls_pre_init_tp (void) @@ -105,10 +107,7 @@ __tls_init_tp (void) do_rseq = TUNABLE_GET (rseq, int, NULL); if (rseq_register_current_thread (pd, do_rseq)) { - /* We need a writable view of the variables. They are in - .data.relro and are not yet write-protected. */ - extern unsigned int size __asm__ ("__rseq_size"); - size = sizeof (pd->rseq_area); + _rseq_size = sizeof (pd->rseq_area); } #ifdef RSEQ_SIG @@ -117,8 +116,7 @@ __tls_init_tp (void) all targets support __thread_pointer, so set __rseq_offset only if the rseq registration may have happened because RSEQ_SIG is defined. */ - extern ptrdiff_t offset __asm__ ("__rseq_offset"); - offset = (char *) &pd->rseq_area - (char *) __thread_pointer (); + _rseq_offset = (char *) &pd->rseq_area - (char *) __thread_pointer (); #endif } |