From 050f7298e1ecc39887c329037575ccd972071255 Mon Sep 17 00:00:00 2001 From: "H.J. Lu" Date: Sun, 21 Dec 2014 09:12:04 -0800 Subject: Add hidden __tls_get_addr/___tls_get_addr alias __tls_get_addr/___tls_get_addr is always defined in ld.so. There is no need to call them via PLT inside ld.so. This patch adds the hidden __tls_get_addr/___tls_get_addr aliases and calls them directly from _dl_tlsdesc_dynamic. There is no need to set up the EBX register in i386 _dl_tlsdesc_dynamic when calling the hidden ___tls_get_addr. * elf/dl-tls.c (__tls_get_addr): Provide the hidden definition if not defined. * sysdeps/i386/dl-tls.h (___tls_get_addr): Provide the hidden definition. * sysdeps/i386/dl-tlsdesc.S (_dl_tlsdesc_dynamic): Call the hidden ___tls_get_addr. * sysdeps/x86_64/dl-tlsdesc.S (_dl_tlsdesc_dynamic): Call the hidden __tls_get_addr. * sysdeps/generic/localplt.data (__tls_get_addr): Removed. * sysdeps/unix/sysv/linux/i386/localplt.data (___tls_get_addr): Likewise. --- sysdeps/i386/dl-tls.h | 2 ++ 1 file changed, 2 insertions(+) (limited to 'sysdeps/i386/dl-tls.h') diff --git a/sysdeps/i386/dl-tls.h b/sysdeps/i386/dl-tls.h index 48809a5da1..99b86f902a 100644 --- a/sysdeps/i386/dl-tls.h +++ b/sysdeps/i386/dl-tls.h @@ -50,6 +50,8 @@ __tls_get_addr (tls_index *ti) version of this file. */ # define __tls_get_addr __attribute__ ((__regparm__ (1))) ___tls_get_addr strong_alias (___tls_get_addr, ___tls_get_addr_internal) +rtld_hidden_proto (___tls_get_addr) +rtld_hidden_def (___tls_get_addr) #else /* Users should get the better interface. */ -- cgit v1.2.1