From: "Fāng-ruì Sòng" <maskray@google.com>
To: Adhemerval Zanella <adhemerval.zanella@linaro.org>
Cc: libc-alpha@sourceware.org
Subject: Re: [PATCH 2/3] arm: Use have-mtls-dialect-gnu2 to check for ARM TLS descriptors support
Date: Mon, 1 Nov 2021 09:42:12 -0700 [thread overview]
Message-ID: <20211101164212.u472u3xzpvkbyezg@google.com> (raw)
In-Reply-To: <20211101125003.500945-3-adhemerval.zanella@linaro.org>
On 2021-11-01, Adhemerval Zanella wrote:
>The lld linker does not support TLSDESC for arm. The have-arm-tls-desc
>is a leftover of 56583289b1 to support NaCL.
>
>Checked on arm-linux-gnueabihf.
Thanks!
>---
> sysdeps/arm/Makefile | 7 +------
> 1 file changed, 1 insertion(+), 6 deletions(-)
>
>diff --git a/sysdeps/arm/Makefile b/sysdeps/arm/Makefile
>index fb4164f0d9..da4226c8c8 100644
>--- a/sysdeps/arm/Makefile
>+++ b/sysdeps/arm/Makefile
>@@ -1,11 +1,6 @@
> gnulib-arch = $(elf-objpfx)libgcc-stubs.a
> static-gnulib-arch = $(elf-objpfx)libgcc-stubs.a
>
>-# All supported build tools support TLS descriptors, but the OS may not.
>-ifndef have-arm-tls-desc
>-have-arm-tls-desc = yes
>-endif
>-
> ifeq ($(subdir),elf)
> sysdep-dl-routines += tlsdesc dl-tlsdesc
> sysdep_routines += aeabi_unwind_cpp_pr1 find_exidx
>@@ -18,7 +13,7 @@ $(objpfx)libgcc-stubs.a: $(objpfx)aeabi_unwind_cpp_pr1.os
> lib-noranlib: $(objpfx)libgcc-stubs.a
>
> ifeq ($(build-shared),yes)
>-ifeq ($(have-arm-tls-desc),yes)
>+ifeq (yes,$(have-mtls-dialect-gnu2))
> tests += tst-armtlsdescloc tst-armtlsdescextnow tst-armtlsdescextlazy
> modules-names += tst-armtlsdesclocmod
> modules-names += tst-armtlsdescextlazymod tst-armtlsdescextnowmod
>--
>2.32.0
>
Reviewed-by: Fangrui Song <maskray@google.com>
next prev parent reply other threads:[~2021-11-01 16:42 UTC|newest]
Thread overview: 8+ messages / expand[flat|nested] mbox.gz Atom feed top
2021-11-01 12:50 [PATCH 0/3] Fix lld build for armhf Adhemerval Zanella
2021-11-01 12:50 ` [PATCH 1/3] arm: Use internal symbol for _dl_argv on _dl_start_user Adhemerval Zanella
2021-11-01 16:38 ` Fāng-ruì Sòng
2021-11-01 12:50 ` [PATCH 2/3] arm: Use have-mtls-dialect-gnu2 to check for ARM TLS descriptors support Adhemerval Zanella
2021-11-01 16:42 ` Fāng-ruì Sòng [this message]
2021-11-01 12:50 ` [PATCH 3/3] elf: Assume disjointed .rela.dyn and .rela.plt for loader Adhemerval Zanella
2021-11-01 16:44 ` Adhemerval Zanella
2021-11-01 17:16 ` H.J. Lu
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