From: Florian Weimer <fweimer@redhat.com>
Date: Sun, 2 Feb 2025 15:22:23 +0000 (+0100)
Subject: elf: Build dl-tls.o with early startup symbol redirections
X-Git-Tag: glibc-2.42~523
X-Git-Url: http://git.ipfire.org/?a=commitdiff_plain;h=68c9ef4419b8a4574dacc8e96296ec24bdc01da8;p=thirdparty%2Fglibc.git

elf: Build dl-tls.o with early startup symbol redirections

This is required when building for powerpc64le POWER8 with GCC 8
at least.

Fixes commit cbd9fd236981717d3d4ee942986ea912e9707c32 ("Consolidate
TLS block allocation for static binaries with ld.so").

Reviewed-by: Adhemerval Zanella <adhemerval.zanella@linaro.org>
---

diff --git a/csu/libc-tls.c b/csu/libc-tls.c
index 07c37f3af9..0da39b72b4 100644
--- a/csu/libc-tls.c
+++ b/csu/libc-tls.c
@@ -30,6 +30,7 @@
 #include <dl-extra_tls.h>
 #include <array_length.h>
 #include <elf/dl-tls_block_align.h>
+#include <dl-symbol-redir-ifunc.h>
 
 #ifdef SHARED
  #error makefile bug, this file is for static only
diff --git a/elf/dl-tls.c b/elf/dl-tls.c
index 8306a39e8d..5178d9b66a 100644
--- a/elf/dl-tls.c
+++ b/elf/dl-tls.c
@@ -39,6 +39,12 @@
 
 #include <dl-extra_tls.h>
 
+/* This code is used during early startup when statically linked,
+   via __libc_setup_tls in csu/libc-tls.c.  */
+#ifndef SHARED
+# include <dl-symbol-redir-ifunc.h>
+#endif
+
 /* Surplus static TLS, GLRO(dl_tls_static_surplus), is used for
 
    - IE TLS in libc.so for all dlmopen namespaces except in the initial