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([2804:1b3:a7c0:3e7e:ae50:7e46:e99f:92f7]) by smtp.gmail.com with ESMTPSA id r6-20020a63ec46000000b005f077dce0f6sm1318571pgj.31.2024.04.05.05.35.53 (version=TLS1_3 cipher=TLS_AES_256_GCM_SHA384 bits=256/256); Fri, 05 Apr 2024 05:35:54 -0700 (PDT) From: Adhemerval Zanella To: libc-alpha@sourceware.org Cc: Szabolcs Nagy Subject: [PATCH] aarch64: Remove ld.so __tls_get_addr plt usage Date: Fri, 5 Apr 2024 09:35:50 -0300 Message-Id: <20240405123550.1748641-1-adhemerval.zanella@linaro.org> X-Mailer: git-send-email 2.34.1 MIME-Version: 1.0 X-Spam-Status: No, score=-12.8 required=5.0 tests=BAYES_00, DKIM_SIGNED, DKIM_VALID, DKIM_VALID_AU, DKIM_VALID_EF, GIT_PATCH_0, RCVD_IN_DNSWL_NONE, SPF_HELO_NONE, SPF_PASS, TXREP autolearn=ham autolearn_force=no version=3.4.6 X-Spam-Checker-Version: SpamAssassin 3.4.6 (2021-04-09) on server2.sourceware.org X-BeenThere: libc-alpha@sourceware.org X-Mailman-Version: 2.1.30 Precedence: list List-Id: Libc-alpha mailing list List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , Errors-To: libc-alpha-bounces+patch=linaro.org@sourceware.org Use the hidden alias instead. Checked on aarch64-linux-gnu. --- sysdeps/aarch64/dl-tlsdesc.S | 3 ++- sysdeps/unix/sysv/linux/aarch64/localplt.data | 2 -- 2 files changed, 2 insertions(+), 3 deletions(-) diff --git a/sysdeps/aarch64/dl-tlsdesc.S b/sysdeps/aarch64/dl-tlsdesc.S index 9b253b39dd..4febf2ad21 100644 --- a/sysdeps/aarch64/dl-tlsdesc.S +++ b/sysdeps/aarch64/dl-tlsdesc.S @@ -220,7 +220,7 @@ _dl_tlsdesc_dynamic: SAVE_Q_REGISTERS mov x0, x1 - bl __tls_get_addr + bl HIDDEN_JUMPTARGET(__tls_get_addr) mrs x1, tpidr_el0 sub PTR_REG (0), PTR_REG (0), PTR_REG (1) @@ -246,5 +246,6 @@ _dl_tlsdesc_dynamic: b 1b cfi_endproc .size _dl_tlsdesc_dynamic, .-_dl_tlsdesc_dynamic + .hidden HIDDEN_JUMPTARGET(__tls_get_addr) # undef NSAVEXREGPAIRS #endif diff --git a/sysdeps/unix/sysv/linux/aarch64/localplt.data b/sysdeps/unix/sysv/linux/aarch64/localplt.data index 5d217cc50d..5dd07472df 100644 --- a/sysdeps/unix/sysv/linux/aarch64/localplt.data +++ b/sysdeps/unix/sysv/linux/aarch64/localplt.data @@ -9,5 +9,3 @@ libm.so: matherr # If outline atomics are used, libgcc (built outside of glibc) may # call __getauxval using the PLT. libc.so: __getauxval ? -# The dynamic loader needs __tls_get_addr for TLS. -ld.so: __tls_get_addr