From: Adhemerval Zanella <adhemerval.zanella@linaro.org>
To: libc-alpha@sourceware.org
Cc: Szabolcs Nagy <szabolcs.nagy@arm.com>
Subject: [PATCH] aarch64: Remove ld.so __tls_get_addr plt usage
Date: Fri, 5 Apr 2024 09:35:50 -0300 [thread overview]
Message-ID: <20240405123550.1748641-1-adhemerval.zanella@linaro.org> (raw)
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
--
2.34.1
next reply other threads:[~2024-04-05 12:36 UTC|newest]
Thread overview: 19+ messages / expand[flat|nested] mbox.gz Atom feed top
2024-04-05 12:35 Adhemerval Zanella [this message]
2024-04-05 14:58 ` [PATCH] aarch64: Remove ld.so __tls_get_addr plt usage Szabolcs Nagy
2024-04-05 16:29 ` Adhemerval Zanella Netto
2024-04-06 17:40 ` Szabolcs Nagy
2024-04-08 8:04 ` Florian Weimer
2024-04-07 20:29 ` Cristian Rodríguez
2024-04-08 7:26 ` Szabolcs Nagy
2024-04-08 16:57 ` Adhemerval Zanella Netto
2024-04-09 8:30 ` Szabolcs Nagy
2024-04-09 14:03 ` Adhemerval Zanella Netto
2024-04-09 14:05 ` H.J. Lu
2024-04-09 14:11 ` Palmer Dabbelt
2024-04-09 14:46 ` H.J. Lu
2024-04-09 17:50 ` Fangrui Song
2024-04-10 7:29 ` Szabolcs Nagy
2024-04-10 8:23 ` Florian Weimer
2024-04-10 15:46 ` enh
2024-04-15 11:41 ` Florian Weimer
2024-04-15 20:22 ` Adhemerval Zanella Netto
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