[v2] Fix glibc 2.34 ABI omission (missing GLIBC_2.34 in dynamic loader)
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Build for i686
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Commit Message
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(+)
Comments
On Thu, Jan 27, 2022 at 2:07 AM Florian Weimer <fweimer@redhat.com> 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
> + <https://www.gnu.org/licenses/>. */
> +
> +#include <shlib-compat.h>
> +#include <sys/cdefs.h>
> +
> +/* 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 <hjl.tools@gmail.com>
Thanks.
@@ -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 \
@@ -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;
new file mode 100644
@@ -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
+ <https://www.gnu.org/licenses/>. */
+
+#include <shlib-compat.h>
+#include <sys/cdefs.h>
+
+/* 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
@@ -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
@@ -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
@@ -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
@@ -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
@@ -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
@@ -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
@@ -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
@@ -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
@@ -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
@@ -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
@@ -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
@@ -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
@@ -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
@@ -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
@@ -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
@@ -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
@@ -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
@@ -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
@@ -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
@@ -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
@@ -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
@@ -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
@@ -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
@@ -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
@@ -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
@@ -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
@@ -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
@@ -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
@@ -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
@@ -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