From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: Received: from mail-pl1-x62d.google.com (mail-pl1-x62d.google.com [IPv6:2607:f8b0:4864:20::62d]) by sourceware.org (Postfix) with ESMTPS id F3FE8385ED40 for ; Thu, 27 Jan 2022 16:16:20 +0000 (GMT) DMARC-Filter: OpenDMARC Filter v1.4.1 sourceware.org F3FE8385ED40 Received: by mail-pl1-x62d.google.com with SMTP id h14so2920545plf.1 for ; Thu, 27 Jan 2022 08:16:20 -0800 (PST) X-Google-DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=1e100.net; s=20210112; h=x-gm-message-state:mime-version:references:in-reply-to:from:date :message-id:subject:to:cc; bh=nV0MuZux8msHxYB01uKhbgzwBiwbW+1+8e0bInvwUcE=; b=SCKuNco61SxVXW45MYYBih7OoZJdgYNh1r2c/4RbgqybRUtfCvZcPfKWa81PxkeqYQ /0553kwJ11ywb0z9LuklSSGcEcNKo/3hCx/uozuMrOTEF1qbFbJjACzUbh32ywY57JLa HsomcZlZ0S/0EnMwlmuIHESgdUVcu0oKJ7fZBuOb2QeLsbBYzGgCVf2jOwH/BN4HRTT1 TgLpmNWRjTJPzzp3l/Kr35F9mQAcQ2NFodq3DJ1u4Xx/RVqzCOICcuFd3xb3jFW1IMtI Rig6XbAY0FlNNsaaXSjZh+aNcSL28J9AZaVQEHaredOM0KDFuOUuVWrLgMKQJIrJKpwi Mm5Q== X-Gm-Message-State: AOAM532Ie77e+qO32ncDi3oSUSUqexDZdhElEbJfCQxdt9YXJGNWw6TN Ak9XKRiIwHryEswYgrWMjD9878floZGBhwSx6Ps= X-Google-Smtp-Source: ABdhPJxxngh0Q1YPKNiNw67YmqpglICIjKbV9NhBGeCj4+2ayMkR+nNAdvcPDoDte62tTi8zIiLmZbxE1FalpMzv0u0= X-Received: by 2002:a17:903:2350:: with SMTP id c16mr4158103plh.4.1643300179873; Thu, 27 Jan 2022 08:16:19 -0800 (PST) MIME-Version: 1.0 References: <87o83xpk4e.fsf@oldenburg.str.redhat.com> In-Reply-To: <87o83xpk4e.fsf@oldenburg.str.redhat.com> From: "H.J. Lu" Date: Thu, 27 Jan 2022 08:15:43 -0800 Message-ID: Subject: Re: [PATCH v2] Fix glibc 2.34 ABI omission (missing GLIBC_2.34 in dynamic loader) To: Florian Weimer Cc: GNU C Library , "Carlos O'Donell" Content-Type: text/plain; charset="UTF-8" X-Spam-Status: No, score=-3026.5 required=5.0 tests=BAYES_00, DKIM_SIGNED, DKIM_VALID, DKIM_VALID_AU, DKIM_VALID_EF, FREEMAIL_FROM, GIT_PATCH_0, KAM_SHORT, RCVD_IN_DNSWL_NONE, SPF_HELO_NONE, SPF_PASS, TXREP, URIBL_BLACK autolearn=ham autolearn_force=no version=3.4.4 X-Spam-Checker-Version: SpamAssassin 3.4.4 (2020-01-24) on server2.sourceware.org X-BeenThere: libc-alpha@sourceware.org X-Mailman-Version: 2.1.29 Precedence: list List-Id: Libc-alpha mailing list List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , X-List-Received-Date: Thu, 27 Jan 2022 16:16:24 -0000 On Thu, Jan 27, 2022 at 2:07 AM Florian Weimer wrote: > > The glibc 2.34 release really should have added a GLIBC_2.34 > symbol to the dynamic loader. With it, we could move functions such > as dlopen or pthread_key_create that work on process-global state > into the dynamic loader (once we have fixed a longstanding issue > with static linking). Without the GLIBC_2.34 symbol, yet another > new symbol version would be needed because old glibc will fail to > load binaries due to the missing symbol version in ld.so that newly > linked programs will require. > > --- > v2: abilist rebase. Do not create the placeholder symbol on or1k. > > elf/Makefile | 1 + > elf/Versions | 3 ++ > elf/dl-compat.c | 35 ++++++++++++++++++++++ > sysdeps/mach/hurd/i386/ld.abilist | 1 + > sysdeps/unix/sysv/linux/aarch64/ld.abilist | 1 + > sysdeps/unix/sysv/linux/alpha/ld.abilist | 1 + > sysdeps/unix/sysv/linux/arc/ld.abilist | 1 + > sysdeps/unix/sysv/linux/arm/be/ld.abilist | 1 + > sysdeps/unix/sysv/linux/arm/le/ld.abilist | 1 + > sysdeps/unix/sysv/linux/csky/ld.abilist | 1 + > sysdeps/unix/sysv/linux/hppa/ld.abilist | 1 + > sysdeps/unix/sysv/linux/i386/ld.abilist | 1 + > sysdeps/unix/sysv/linux/ia64/ld.abilist | 1 + > sysdeps/unix/sysv/linux/m68k/coldfire/ld.abilist | 1 + > sysdeps/unix/sysv/linux/m68k/m680x0/ld.abilist | 1 + > sysdeps/unix/sysv/linux/microblaze/ld.abilist | 1 + > sysdeps/unix/sysv/linux/mips/mips32/ld.abilist | 1 + > sysdeps/unix/sysv/linux/mips/mips64/n32/ld.abilist | 1 + > sysdeps/unix/sysv/linux/mips/mips64/n64/ld.abilist | 1 + > sysdeps/unix/sysv/linux/nios2/ld.abilist | 1 + > .../unix/sysv/linux/powerpc/powerpc32/ld.abilist | 1 + > .../sysv/linux/powerpc/powerpc64/be/ld.abilist | 1 + > .../sysv/linux/powerpc/powerpc64/le/ld.abilist | 1 + > sysdeps/unix/sysv/linux/riscv/rv32/ld.abilist | 1 + > sysdeps/unix/sysv/linux/riscv/rv64/ld.abilist | 1 + > sysdeps/unix/sysv/linux/s390/s390-32/ld.abilist | 1 + > sysdeps/unix/sysv/linux/s390/s390-64/ld.abilist | 1 + > sysdeps/unix/sysv/linux/sh/be/ld.abilist | 1 + > sysdeps/unix/sysv/linux/sh/le/ld.abilist | 1 + > sysdeps/unix/sysv/linux/sparc/sparc32/ld.abilist | 1 + > sysdeps/unix/sysv/linux/sparc/sparc64/ld.abilist | 1 + > sysdeps/unix/sysv/linux/x86_64/64/ld.abilist | 1 + > sysdeps/unix/sysv/linux/x86_64/x32/ld.abilist | 1 + > 33 files changed, 69 insertions(+) > > diff --git a/elf/Makefile b/elf/Makefile > index 775c755291..718e826290 100644 > --- a/elf/Makefile > +++ b/elf/Makefile > @@ -126,6 +126,7 @@ shared-only-routines = libc-dl_find_object > rtld-routines = \ > $(all-dl-routines) \ > dl-audit \ > + dl-compat \ > dl-conflict \ > dl-diagnostics \ > dl-diagnostics-cpu \ > diff --git a/elf/Versions b/elf/Versions > index a4f1e76708..8bed855d8c 100644 > --- a/elf/Versions > +++ b/elf/Versions > @@ -51,6 +51,9 @@ ld { > # stack canary > __stack_chk_guard; > } > + GLIBC_2.34 { > + __rtld_version_placeholder; > + } > GLIBC_PRIVATE { > # Those are in the dynamic linker, but used by libc.so. > __libc_enable_secure; > diff --git a/elf/dl-compat.c b/elf/dl-compat.c > new file mode 100644 > index 0000000000..05c986a8be > --- /dev/null > +++ b/elf/dl-compat.c > @@ -0,0 +1,35 @@ > +/* Placeholder compatibility symbols. > + 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 > +#include > + > +/* The GLIBC_2.35 symbol version is present naturally for later ports. > + Use OTHER_SHLIB_COMPAT because the module is called rtld, but the > + ABI version uses ld. */ > +#if OTHER_SHLIB_COMPAT (ld, GLIBC_2_0, GLIBC_2_35) > +void > +attribute_compat_text_section > +__attribute_used__ > +__rtld_version_placeholder_1 (void) > +{ > +} > + > +compat_symbol (ld, __rtld_version_placeholder_1, > + __rtld_version_placeholder, GLIBC_2_34); > +#endif > diff --git a/sysdeps/mach/hurd/i386/ld.abilist b/sysdeps/mach/hurd/i386/ld.abilist > index 7e20c5e7ce..ebba31f770 100644 > --- a/sysdeps/mach/hurd/i386/ld.abilist > +++ b/sysdeps/mach/hurd/i386/ld.abilist > @@ -16,3 +16,4 @@ GLIBC_2.2.6 _r_debug D 0x14 > GLIBC_2.2.6 abort F > GLIBC_2.3 ___tls_get_addr F > GLIBC_2.3 __tls_get_addr F > +GLIBC_2.34 __rtld_version_placeholder F > diff --git a/sysdeps/unix/sysv/linux/aarch64/ld.abilist b/sysdeps/unix/sysv/linux/aarch64/ld.abilist > index 717a35f242..bf4d4f9b6f 100644 > --- a/sysdeps/unix/sysv/linux/aarch64/ld.abilist > +++ b/sysdeps/unix/sysv/linux/aarch64/ld.abilist > @@ -3,6 +3,7 @@ GLIBC_2.17 __stack_chk_guard D 0x8 > GLIBC_2.17 __tls_get_addr F > GLIBC_2.17 _dl_mcount F > GLIBC_2.17 _r_debug D 0x28 > +GLIBC_2.34 __rtld_version_placeholder F > GLIBC_2.35 __rseq_flags D 0x4 > GLIBC_2.35 __rseq_offset D 0x4 > GLIBC_2.35 __rseq_size D 0x4 > diff --git a/sysdeps/unix/sysv/linux/alpha/ld.abilist b/sysdeps/unix/sysv/linux/alpha/ld.abilist > index 76911bd7f8..a23325a566 100644 > --- a/sysdeps/unix/sysv/linux/alpha/ld.abilist > +++ b/sysdeps/unix/sysv/linux/alpha/ld.abilist > @@ -2,6 +2,7 @@ GLIBC_2.0 _r_debug D 0x28 > GLIBC_2.1 __libc_stack_end D 0x8 > GLIBC_2.1 _dl_mcount F > GLIBC_2.3 __tls_get_addr F > +GLIBC_2.34 __rtld_version_placeholder F > GLIBC_2.35 __rseq_flags D 0x4 > GLIBC_2.35 __rseq_offset D 0x4 > GLIBC_2.35 __rseq_size D 0x4 > diff --git a/sysdeps/unix/sysv/linux/arc/ld.abilist b/sysdeps/unix/sysv/linux/arc/ld.abilist > index 71c67f9803..55f0c2ab9c 100644 > --- a/sysdeps/unix/sysv/linux/arc/ld.abilist > +++ b/sysdeps/unix/sysv/linux/arc/ld.abilist > @@ -3,6 +3,7 @@ GLIBC_2.32 __stack_chk_guard D 0x4 > GLIBC_2.32 __tls_get_addr F > GLIBC_2.32 _dl_mcount F > GLIBC_2.32 _r_debug D 0x14 > +GLIBC_2.34 __rtld_version_placeholder F > GLIBC_2.35 __rseq_flags D 0x4 > GLIBC_2.35 __rseq_offset D 0x4 > GLIBC_2.35 __rseq_size D 0x4 > diff --git a/sysdeps/unix/sysv/linux/arm/be/ld.abilist b/sysdeps/unix/sysv/linux/arm/be/ld.abilist > index 3859433b21..f1da2c636d 100644 > --- a/sysdeps/unix/sysv/linux/arm/be/ld.abilist > +++ b/sysdeps/unix/sysv/linux/arm/be/ld.abilist > @@ -1,3 +1,4 @@ > +GLIBC_2.34 __rtld_version_placeholder F > GLIBC_2.35 __rseq_flags D 0x4 > GLIBC_2.35 __rseq_offset D 0x4 > GLIBC_2.35 __rseq_size D 0x4 > diff --git a/sysdeps/unix/sysv/linux/arm/le/ld.abilist b/sysdeps/unix/sysv/linux/arm/le/ld.abilist > index 3859433b21..f1da2c636d 100644 > --- a/sysdeps/unix/sysv/linux/arm/le/ld.abilist > +++ b/sysdeps/unix/sysv/linux/arm/le/ld.abilist > @@ -1,3 +1,4 @@ > +GLIBC_2.34 __rtld_version_placeholder F > GLIBC_2.35 __rseq_flags D 0x4 > GLIBC_2.35 __rseq_offset D 0x4 > GLIBC_2.35 __rseq_size D 0x4 > diff --git a/sysdeps/unix/sysv/linux/csky/ld.abilist b/sysdeps/unix/sysv/linux/csky/ld.abilist > index 6bfc582b73..7f482276ed 100644 > --- a/sysdeps/unix/sysv/linux/csky/ld.abilist > +++ b/sysdeps/unix/sysv/linux/csky/ld.abilist > @@ -3,6 +3,7 @@ GLIBC_2.29 __stack_chk_guard D 0x4 > GLIBC_2.29 __tls_get_addr F > GLIBC_2.29 _dl_mcount F > GLIBC_2.29 _r_debug D 0x14 > +GLIBC_2.34 __rtld_version_placeholder F > GLIBC_2.35 __rseq_flags D 0x4 > GLIBC_2.35 __rseq_offset D 0x4 > GLIBC_2.35 __rseq_size D 0x4 > diff --git a/sysdeps/unix/sysv/linux/hppa/ld.abilist b/sysdeps/unix/sysv/linux/hppa/ld.abilist > index efccd6a023..7f5527fb30 100644 > --- a/sysdeps/unix/sysv/linux/hppa/ld.abilist > +++ b/sysdeps/unix/sysv/linux/hppa/ld.abilist > @@ -2,6 +2,7 @@ GLIBC_2.2 __libc_stack_end D 0x4 > GLIBC_2.2 _dl_mcount F > GLIBC_2.2 _r_debug D 0x14 > GLIBC_2.3 __tls_get_addr F > +GLIBC_2.34 __rtld_version_placeholder F > GLIBC_2.35 __rseq_flags D 0x4 > GLIBC_2.35 __rseq_offset D 0x4 > GLIBC_2.35 __rseq_size D 0x4 > diff --git a/sysdeps/unix/sysv/linux/i386/ld.abilist b/sysdeps/unix/sysv/linux/i386/ld.abilist > index 1eb94ae75f..9c4a45d8dc 100644 > --- a/sysdeps/unix/sysv/linux/i386/ld.abilist > +++ b/sysdeps/unix/sysv/linux/i386/ld.abilist > @@ -3,6 +3,7 @@ GLIBC_2.1 __libc_stack_end D 0x4 > GLIBC_2.1 _dl_mcount F > GLIBC_2.3 ___tls_get_addr F > GLIBC_2.3 __tls_get_addr F > +GLIBC_2.34 __rtld_version_placeholder F > GLIBC_2.35 __rseq_flags D 0x4 > GLIBC_2.35 __rseq_offset D 0x4 > GLIBC_2.35 __rseq_size D 0x4 > diff --git a/sysdeps/unix/sysv/linux/ia64/ld.abilist b/sysdeps/unix/sysv/linux/ia64/ld.abilist > index 2cc68bcf7b..8ccb5be911 100644 > --- a/sysdeps/unix/sysv/linux/ia64/ld.abilist > +++ b/sysdeps/unix/sysv/linux/ia64/ld.abilist > @@ -2,6 +2,7 @@ GLIBC_2.2 __libc_stack_end D 0x8 > GLIBC_2.2 _dl_mcount F > GLIBC_2.2 _r_debug D 0x28 > GLIBC_2.3 __tls_get_addr F > +GLIBC_2.34 __rtld_version_placeholder F > GLIBC_2.35 __rseq_flags D 0x4 > GLIBC_2.35 __rseq_offset D 0x4 > GLIBC_2.35 __rseq_size D 0x4 > diff --git a/sysdeps/unix/sysv/linux/m68k/coldfire/ld.abilist b/sysdeps/unix/sysv/linux/m68k/coldfire/ld.abilist > index 3859433b21..f1da2c636d 100644 > --- a/sysdeps/unix/sysv/linux/m68k/coldfire/ld.abilist > +++ b/sysdeps/unix/sysv/linux/m68k/coldfire/ld.abilist > @@ -1,3 +1,4 @@ > +GLIBC_2.34 __rtld_version_placeholder F > GLIBC_2.35 __rseq_flags D 0x4 > GLIBC_2.35 __rseq_offset D 0x4 > GLIBC_2.35 __rseq_size D 0x4 > diff --git a/sysdeps/unix/sysv/linux/m68k/m680x0/ld.abilist b/sysdeps/unix/sysv/linux/m68k/m680x0/ld.abilist > index e62b2742af..dadbf852d0 100644 > --- a/sysdeps/unix/sysv/linux/m68k/m680x0/ld.abilist > +++ b/sysdeps/unix/sysv/linux/m68k/m680x0/ld.abilist > @@ -2,6 +2,7 @@ GLIBC_2.0 _r_debug D 0x14 > GLIBC_2.1 __libc_stack_end D 0x4 > GLIBC_2.1 _dl_mcount F > GLIBC_2.3 __tls_get_addr F > +GLIBC_2.34 __rtld_version_placeholder F > GLIBC_2.35 __rseq_flags D 0x4 > GLIBC_2.35 __rseq_offset D 0x4 > GLIBC_2.35 __rseq_size D 0x4 > diff --git a/sysdeps/unix/sysv/linux/microblaze/ld.abilist b/sysdeps/unix/sysv/linux/microblaze/ld.abilist > index 5d63d74e8f..89a0b7e4fd 100644 > --- a/sysdeps/unix/sysv/linux/microblaze/ld.abilist > +++ b/sysdeps/unix/sysv/linux/microblaze/ld.abilist > @@ -3,6 +3,7 @@ GLIBC_2.18 __stack_chk_guard D 0x4 > GLIBC_2.18 __tls_get_addr F > GLIBC_2.18 _dl_mcount F > GLIBC_2.18 _r_debug D 0x14 > +GLIBC_2.34 __rtld_version_placeholder F > GLIBC_2.35 __rseq_flags D 0x4 > GLIBC_2.35 __rseq_offset D 0x4 > GLIBC_2.35 __rseq_size D 0x4 > diff --git a/sysdeps/unix/sysv/linux/mips/mips32/ld.abilist b/sysdeps/unix/sysv/linux/mips/mips32/ld.abilist > index 53ca22de2f..e304d1bb46 100644 > --- a/sysdeps/unix/sysv/linux/mips/mips32/ld.abilist > +++ b/sysdeps/unix/sysv/linux/mips/mips32/ld.abilist > @@ -2,6 +2,7 @@ GLIBC_2.0 _r_debug D 0x14 > GLIBC_2.2 __libc_stack_end D 0x4 > GLIBC_2.2 _dl_mcount F > GLIBC_2.3 __tls_get_addr F > +GLIBC_2.34 __rtld_version_placeholder F > GLIBC_2.35 __rseq_flags D 0x4 > GLIBC_2.35 __rseq_offset D 0x4 > GLIBC_2.35 __rseq_size D 0x4 > diff --git a/sysdeps/unix/sysv/linux/mips/mips64/n32/ld.abilist b/sysdeps/unix/sysv/linux/mips/mips64/n32/ld.abilist > index 53ca22de2f..e304d1bb46 100644 > --- a/sysdeps/unix/sysv/linux/mips/mips64/n32/ld.abilist > +++ b/sysdeps/unix/sysv/linux/mips/mips64/n32/ld.abilist > @@ -2,6 +2,7 @@ GLIBC_2.0 _r_debug D 0x14 > GLIBC_2.2 __libc_stack_end D 0x4 > GLIBC_2.2 _dl_mcount F > GLIBC_2.3 __tls_get_addr F > +GLIBC_2.34 __rtld_version_placeholder F > GLIBC_2.35 __rseq_flags D 0x4 > GLIBC_2.35 __rseq_offset D 0x4 > GLIBC_2.35 __rseq_size D 0x4 > diff --git a/sysdeps/unix/sysv/linux/mips/mips64/n64/ld.abilist b/sysdeps/unix/sysv/linux/mips/mips64/n64/ld.abilist > index d1cdd68333..37a47ebc0a 100644 > --- a/sysdeps/unix/sysv/linux/mips/mips64/n64/ld.abilist > +++ b/sysdeps/unix/sysv/linux/mips/mips64/n64/ld.abilist > @@ -2,6 +2,7 @@ GLIBC_2.0 _r_debug D 0x28 > GLIBC_2.2 __libc_stack_end D 0x8 > GLIBC_2.2 _dl_mcount F > GLIBC_2.3 __tls_get_addr F > +GLIBC_2.34 __rtld_version_placeholder F > GLIBC_2.35 __rseq_flags D 0x4 > GLIBC_2.35 __rseq_offset D 0x4 > GLIBC_2.35 __rseq_size D 0x4 > diff --git a/sysdeps/unix/sysv/linux/nios2/ld.abilist b/sysdeps/unix/sysv/linux/nios2/ld.abilist > index bcbba1823e..811ae9da2f 100644 > --- a/sysdeps/unix/sysv/linux/nios2/ld.abilist > +++ b/sysdeps/unix/sysv/linux/nios2/ld.abilist > @@ -3,6 +3,7 @@ GLIBC_2.21 __stack_chk_guard D 0x4 > GLIBC_2.21 __tls_get_addr F > GLIBC_2.21 _dl_mcount F > GLIBC_2.21 _r_debug D 0x14 > +GLIBC_2.34 __rtld_version_placeholder F > GLIBC_2.35 __rseq_flags D 0x4 > GLIBC_2.35 __rseq_offset D 0x4 > GLIBC_2.35 __rseq_size D 0x4 > diff --git a/sysdeps/unix/sysv/linux/powerpc/powerpc32/ld.abilist b/sysdeps/unix/sysv/linux/powerpc/powerpc32/ld.abilist > index 0d033cb8bd..5a68aeb9ee 100644 > --- a/sysdeps/unix/sysv/linux/powerpc/powerpc32/ld.abilist > +++ b/sysdeps/unix/sysv/linux/powerpc/powerpc32/ld.abilist > @@ -4,6 +4,7 @@ GLIBC_2.1 _dl_mcount F > GLIBC_2.22 __tls_get_addr_opt F > GLIBC_2.23 __parse_hwcap_and_convert_at_platform F > GLIBC_2.3 __tls_get_addr F > +GLIBC_2.34 __rtld_version_placeholder F > GLIBC_2.35 __rseq_flags D 0x4 > GLIBC_2.35 __rseq_offset D 0x4 > GLIBC_2.35 __rseq_size D 0x4 > diff --git a/sysdeps/unix/sysv/linux/powerpc/powerpc64/be/ld.abilist b/sysdeps/unix/sysv/linux/powerpc/powerpc64/be/ld.abilist > index 9c627b1ddf..da24dc7fb5 100644 > --- a/sysdeps/unix/sysv/linux/powerpc/powerpc64/be/ld.abilist > +++ b/sysdeps/unix/sysv/linux/powerpc/powerpc64/be/ld.abilist > @@ -4,6 +4,7 @@ GLIBC_2.3 __libc_stack_end D 0x8 > GLIBC_2.3 __tls_get_addr F > GLIBC_2.3 _dl_mcount F > GLIBC_2.3 _r_debug D 0x28 > +GLIBC_2.34 __rtld_version_placeholder F > GLIBC_2.35 __rseq_flags D 0x4 > GLIBC_2.35 __rseq_offset D 0x4 > GLIBC_2.35 __rseq_size D 0x4 > diff --git a/sysdeps/unix/sysv/linux/powerpc/powerpc64/le/ld.abilist b/sysdeps/unix/sysv/linux/powerpc/powerpc64/le/ld.abilist > index 3a748c2817..b9ae89ae8d 100644 > --- a/sysdeps/unix/sysv/linux/powerpc/powerpc64/le/ld.abilist > +++ b/sysdeps/unix/sysv/linux/powerpc/powerpc64/le/ld.abilist > @@ -4,6 +4,7 @@ GLIBC_2.17 _dl_mcount F > GLIBC_2.17 _r_debug D 0x28 > GLIBC_2.22 __tls_get_addr_opt F > GLIBC_2.23 __parse_hwcap_and_convert_at_platform F > +GLIBC_2.34 __rtld_version_placeholder F > GLIBC_2.35 __rseq_flags D 0x4 > GLIBC_2.35 __rseq_offset D 0x4 > GLIBC_2.35 __rseq_size D 0x4 > diff --git a/sysdeps/unix/sysv/linux/riscv/rv32/ld.abilist b/sysdeps/unix/sysv/linux/riscv/rv32/ld.abilist > index 4c67ea18d6..068368878e 100644 > --- a/sysdeps/unix/sysv/linux/riscv/rv32/ld.abilist > +++ b/sysdeps/unix/sysv/linux/riscv/rv32/ld.abilist > @@ -3,6 +3,7 @@ GLIBC_2.33 __stack_chk_guard D 0x4 > GLIBC_2.33 __tls_get_addr F > GLIBC_2.33 _dl_mcount F > GLIBC_2.33 _r_debug D 0x14 > +GLIBC_2.34 __rtld_version_placeholder F > GLIBC_2.35 __rseq_flags D 0x4 > GLIBC_2.35 __rseq_offset D 0x4 > GLIBC_2.35 __rseq_size D 0x4 > diff --git a/sysdeps/unix/sysv/linux/riscv/rv64/ld.abilist b/sysdeps/unix/sysv/linux/riscv/rv64/ld.abilist > index 09596f09e2..48431c91a9 100644 > --- a/sysdeps/unix/sysv/linux/riscv/rv64/ld.abilist > +++ b/sysdeps/unix/sysv/linux/riscv/rv64/ld.abilist > @@ -3,6 +3,7 @@ GLIBC_2.27 __stack_chk_guard D 0x8 > GLIBC_2.27 __tls_get_addr F > GLIBC_2.27 _dl_mcount F > GLIBC_2.27 _r_debug D 0x28 > +GLIBC_2.34 __rtld_version_placeholder F > GLIBC_2.35 __rseq_flags D 0x4 > GLIBC_2.35 __rseq_offset D 0x4 > GLIBC_2.35 __rseq_size D 0x4 > diff --git a/sysdeps/unix/sysv/linux/s390/s390-32/ld.abilist b/sysdeps/unix/sysv/linux/s390/s390-32/ld.abilist > index 2c47004bae..c15288394a 100644 > --- a/sysdeps/unix/sysv/linux/s390/s390-32/ld.abilist > +++ b/sysdeps/unix/sysv/linux/s390/s390-32/ld.abilist > @@ -2,6 +2,7 @@ GLIBC_2.0 _r_debug D 0x14 > GLIBC_2.1 __libc_stack_end D 0x4 > GLIBC_2.1 _dl_mcount F > GLIBC_2.3 __tls_get_offset F > +GLIBC_2.34 __rtld_version_placeholder F > GLIBC_2.35 __rseq_flags D 0x4 > GLIBC_2.35 __rseq_offset D 0x4 > GLIBC_2.35 __rseq_size D 0x4 > diff --git a/sysdeps/unix/sysv/linux/s390/s390-64/ld.abilist b/sysdeps/unix/sysv/linux/s390/s390-64/ld.abilist > index 385a73a257..117d1430a4 100644 > --- a/sysdeps/unix/sysv/linux/s390/s390-64/ld.abilist > +++ b/sysdeps/unix/sysv/linux/s390/s390-64/ld.abilist > @@ -2,6 +2,7 @@ GLIBC_2.2 __libc_stack_end D 0x8 > GLIBC_2.2 _dl_mcount F > GLIBC_2.2 _r_debug D 0x28 > GLIBC_2.3 __tls_get_offset F > +GLIBC_2.34 __rtld_version_placeholder F > GLIBC_2.35 __rseq_flags D 0x4 > GLIBC_2.35 __rseq_offset D 0x4 > GLIBC_2.35 __rseq_size D 0x4 > diff --git a/sysdeps/unix/sysv/linux/sh/be/ld.abilist b/sysdeps/unix/sysv/linux/sh/be/ld.abilist > index efccd6a023..7f5527fb30 100644 > --- a/sysdeps/unix/sysv/linux/sh/be/ld.abilist > +++ b/sysdeps/unix/sysv/linux/sh/be/ld.abilist > @@ -2,6 +2,7 @@ GLIBC_2.2 __libc_stack_end D 0x4 > GLIBC_2.2 _dl_mcount F > GLIBC_2.2 _r_debug D 0x14 > GLIBC_2.3 __tls_get_addr F > +GLIBC_2.34 __rtld_version_placeholder F > GLIBC_2.35 __rseq_flags D 0x4 > GLIBC_2.35 __rseq_offset D 0x4 > GLIBC_2.35 __rseq_size D 0x4 > diff --git a/sysdeps/unix/sysv/linux/sh/le/ld.abilist b/sysdeps/unix/sysv/linux/sh/le/ld.abilist > index efccd6a023..7f5527fb30 100644 > --- a/sysdeps/unix/sysv/linux/sh/le/ld.abilist > +++ b/sysdeps/unix/sysv/linux/sh/le/ld.abilist > @@ -2,6 +2,7 @@ GLIBC_2.2 __libc_stack_end D 0x4 > GLIBC_2.2 _dl_mcount F > GLIBC_2.2 _r_debug D 0x14 > GLIBC_2.3 __tls_get_addr F > +GLIBC_2.34 __rtld_version_placeholder F > GLIBC_2.35 __rseq_flags D 0x4 > GLIBC_2.35 __rseq_offset D 0x4 > GLIBC_2.35 __rseq_size D 0x4 > diff --git a/sysdeps/unix/sysv/linux/sparc/sparc32/ld.abilist b/sysdeps/unix/sysv/linux/sparc/sparc32/ld.abilist > index 8fb5ff3ef3..3aac73f3df 100644 > --- a/sysdeps/unix/sysv/linux/sparc/sparc32/ld.abilist > +++ b/sysdeps/unix/sysv/linux/sparc/sparc32/ld.abilist > @@ -2,6 +2,7 @@ GLIBC_2.0 _r_debug D 0x14 > GLIBC_2.1 __libc_stack_end D 0x4 > GLIBC_2.1 _dl_mcount F > GLIBC_2.3 __tls_get_addr F > +GLIBC_2.34 __rtld_version_placeholder F > GLIBC_2.35 __rseq_flags D 0x4 > GLIBC_2.35 __rseq_offset D 0x4 > GLIBC_2.35 __rseq_size D 0x4 > diff --git a/sysdeps/unix/sysv/linux/sparc/sparc64/ld.abilist b/sysdeps/unix/sysv/linux/sparc/sparc64/ld.abilist > index 2cc68bcf7b..8ccb5be911 100644 > --- a/sysdeps/unix/sysv/linux/sparc/sparc64/ld.abilist > +++ b/sysdeps/unix/sysv/linux/sparc/sparc64/ld.abilist > @@ -2,6 +2,7 @@ GLIBC_2.2 __libc_stack_end D 0x8 > GLIBC_2.2 _dl_mcount F > GLIBC_2.2 _r_debug D 0x28 > GLIBC_2.3 __tls_get_addr F > +GLIBC_2.34 __rtld_version_placeholder F > GLIBC_2.35 __rseq_flags D 0x4 > GLIBC_2.35 __rseq_offset D 0x4 > GLIBC_2.35 __rseq_size D 0x4 > diff --git a/sysdeps/unix/sysv/linux/x86_64/64/ld.abilist b/sysdeps/unix/sysv/linux/x86_64/64/ld.abilist > index 49a8f31c93..ae622bdf97 100644 > --- a/sysdeps/unix/sysv/linux/x86_64/64/ld.abilist > +++ b/sysdeps/unix/sysv/linux/x86_64/64/ld.abilist > @@ -2,6 +2,7 @@ GLIBC_2.2.5 __libc_stack_end D 0x8 > GLIBC_2.2.5 _dl_mcount F > GLIBC_2.2.5 _r_debug D 0x28 > GLIBC_2.3 __tls_get_addr F > +GLIBC_2.34 __rtld_version_placeholder F > GLIBC_2.35 __rseq_flags D 0x4 > GLIBC_2.35 __rseq_offset D 0x4 > GLIBC_2.35 __rseq_size D 0x4 > diff --git a/sysdeps/unix/sysv/linux/x86_64/x32/ld.abilist b/sysdeps/unix/sysv/linux/x86_64/x32/ld.abilist > index ce68cc6304..e17496d124 100644 > --- a/sysdeps/unix/sysv/linux/x86_64/x32/ld.abilist > +++ b/sysdeps/unix/sysv/linux/x86_64/x32/ld.abilist > @@ -2,6 +2,7 @@ GLIBC_2.16 __libc_stack_end D 0x4 > GLIBC_2.16 __tls_get_addr F > GLIBC_2.16 _dl_mcount F > GLIBC_2.16 _r_debug D 0x14 > +GLIBC_2.34 __rtld_version_placeholder F > GLIBC_2.35 __rseq_flags D 0x4 > GLIBC_2.35 __rseq_offset D 0x4 > GLIBC_2.35 __rseq_size D 0x4 > LGTM. Reviewed-by: H.J. Lu Thanks. -- H.J.