elf: Introduce <dl-call_tls_init_tp.h> and call_tls_init_tp (bug 29249)

This makes it more likely that the compiler can compute the strlen
argument in _startup_fatal at compile time, which is required to
avoid a dependency on strlen this early during process startup.

Reviewed-by: Szabolcs Nagy <szabolcs.nagy@arm.com>

1 files changed, 1 insertions, 1 deletions

diff --git a/sysdeps/riscv/nptl/tls.h b/sysdeps/riscv/nptl/tls.h
index 700c2f5189..b221980399 100644
--- a/sysdeps/riscv/nptl/tls.h
+++ b/sysdeps/riscv/nptl/tls.h
@@ -79,7 +79,7 @@ typedef struct
 
 /* Code to initially initialize the thread pointer.  */
 # define TLS_INIT_TP(tcbp) \
-  ({ __thread_self = (char*)tcbp + TLS_TCB_OFFSET; NULL; })
+  ({ __thread_self = (char*)tcbp + TLS_TCB_OFFSET; true; })
 
 /* Return the address of the dtv for the current thread.  */
 # define THREAD_DTV() \