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-rw-r--r--elf/dl-tls.c8
-rw-r--r--elf/libc_early_init.c4
2 files changed, 11 insertions, 1 deletions
diff --git a/elf/dl-tls.c b/elf/dl-tls.c
index fa03234610..ca13778ca9 100644
--- a/elf/dl-tls.c
+++ b/elf/dl-tls.c
@@ -31,7 +31,7 @@
 
 /* Amount of excess space to allocate in the static TLS area
    to allow dynamic loading of modules defining IE-model TLS data.  */
-#define TLS_STATIC_SURPLUS	64 + DL_NNS * 100
+#define TLS_STATIC_SURPLUS	64 + DL_NNS * 176
 
 
 /* Out-of-memory handler.  */
@@ -134,6 +134,12 @@ void
 _dl_determine_tlsoffset (void)
 {
   size_t max_align = TLS_TCB_ALIGN;
+  /* libc.so with rseq has TLS with 32-byte alignment.  Since TLS is
+     initialized before audit modules are loaded and slotinfo
+     information is available, this is not taken into account below in
+     the audit case.  */
+  max_align = MAX (max_align, 32U);
+
   size_t freetop = 0;
   size_t freebottom = 0;
 
diff --git a/elf/libc_early_init.c b/elf/libc_early_init.c
index e6c64fb526..f0fcf6448e 100644
--- a/elf/libc_early_init.c
+++ b/elf/libc_early_init.c
@@ -18,10 +18,14 @@
 
 #include <ctype.h>
 #include <libc-early-init.h>
+#include <rseq-internal.h>
 
 void
 __libc_early_init (_Bool initial)
 {
   /* Initialize ctype data.  */
   __ctype_init ();
+  /* Register rseq ABI to the kernel for the main program's libc.   */
+  if (initial)
+    rseq_register_current_thread ();
 }