From 9dc4e29f630c6ef8299120b275e503321dc0c8c7 Mon Sep 17 00:00:00 2001 From: Adhemerval Zanella Netto Date: Wed, 21 Sep 2022 10:51:08 -0300 Subject: [PATCH] x86: Fix -Os build (BZ #29576) The compiler might transform __stpcpy calls (which are routed to __builtin_stpcpy as an optimization) to strcpy and x86_64 strcpy multiarch implementation does not build any working symbol due ISA_SHOULD_BUILD not being evaluated for IS_IN(rtld). Checked on x86_64-linux-gnu. Reviewed-by: Carlos O'Donell Tested-by: Carlos O'Donell --- sysdeps/x86_64/multiarch/rtld-strcpy.S | 18 ++++++++++++++++++ 1 file changed, 18 insertions(+) create mode 100644 sysdeps/x86_64/multiarch/rtld-strcpy.S diff --git a/sysdeps/x86_64/multiarch/rtld-strcpy.S b/sysdeps/x86_64/multiarch/rtld-strcpy.S new file mode 100644 index 0000000000..19439c553d --- /dev/null +++ b/sysdeps/x86_64/multiarch/rtld-strcpy.S @@ -0,0 +1,18 @@ +/* Copyright (C) 2022 Free Software Foundation, Inc. + This file is part of the GNU C Library. + + The GNU C Library is free software; you can redistribute it and/or + modify it under the terms of the GNU Lesser General Public + License as published by the Free Software Foundation; either + version 2.1 of the License, or (at your option) any later version. + + The GNU C Library is distributed in the hope that it will be useful, + but WITHOUT ANY WARRANTY; without even the implied warranty of + MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU + Lesser General Public License for more details. + + You should have received a copy of the GNU Lesser General Public + License along with the GNU C Library; if not, see + . */ + +#include "../strcpy.S"