[PATCH] aix: ensure reference to __tls_get_addr is in text section.

["CHIGOT, CLEMENT" <clement.chigot@atos.net>]

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The garbage collector of AIX linker might remove the reference to
__tls_get_addr if it's added inside an unused csect.


Clément Chigot
ATOS Bull SAS
1 rue de Provence - 38432 Échirolles - France


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From 17832ad26ffd061f5304acf03ca4f34646421e93 Mon Sep 17 00:00:00 2001
From: =?UTF-8?q?Cl=C3=A9ment=20Chigot?= <clement.chigot@atos.net>
Date: Thu, 14 Oct 2021 09:03:13 +0200
Subject: [PATCH] aix: ensure reference to __tls_get_addr is in text section.

The garbage collector of AIX linker might remove the reference to
__tls_get_addr if it's added inside an unused csect.
---
 gcc/config/rs6000/rs6000.c | 1 +
 1 file changed, 1 insertion(+)

diff --git a/gcc/config/rs6000/rs6000.c b/gcc/config/rs6000/rs6000.c
index acba4d9f26c..62a98e7255c 100644
--- a/gcc/config/rs6000/rs6000.c
+++ b/gcc/config/rs6000/rs6000.c
@@ -21636,6 +21636,7 @@ rs6000_xcoff_file_end (void)
   if (xcoff_tls_exec_model_detected)
     {
       /* Add a .ref to __tls_get_addr to force libpthread dependency.  */
+      switch_to_section (text_section);
       fputs ("\t.extern __tls_get_addr\n\t.ref __tls_get_addr\n", asm_out_file);
     }
 }
-- 
2.33.0