> Tested on powerpc64{,le}-linux now (-m32/-m64 on be) and while the first
> patch works fine, the second one unfortunately doesn't on either be or le,
> so more work is needed there.
Here are the needed changes to make it work.
For symbols with _LDBL_ substring in version name we already have code to
ignore those if no such symbols appear (but it is slightly incorrect, see
below).
So, this patch does the same thing for symbol versions with _IEEE128_
substring.
The previously incorrectly handled case is that in addition to
FUNC:_ZNKSt17__gnu_cxx_ieee1287num_getIcSt19istreambuf_iteratorIcSt11char_traitsIcEEE14_M_extract_intImEES4_S4_S4_RSt8ios_baseRSt12_Ios_IostateRT_@@GLIBCXX_IEEE128_3.4.29
or
OBJECT:12:_ZTSu9__ieee128@@CXXABI_IEEE128_1.3.13
cases we also have the
OBJECT:0:CXXABI_IEEE128_1.3.13
OBJECT:0:GLIBCXX_IEEE128_3.4.29
cases, which have empty version_name and the name is in that case the
symbol version. Those need to be ignored too.
2021-04-20 Jakub Jelinek <jakub@redhat.com>
* testsuite/util/testsuite_abi.cc (compare_symbols): If any symbol
versions with _IEEE128_ substring are found, set ieee_version_found
to true. Ignore missing symbols with _IEEE128_ in version name if
!ieee_version_found. Use i->first as version_name instead of
i->second.version_name if the latter is empty.
* config/abi/post/powerpc64-linux-gnu/baseline_symbols.txt: Update.
And here is an update for 32-bit powerpc-linux.
2021-04-17 Jakub Jelinek <jakub@redhat.com>
* config/abi/post/powerpc-linux-gnu/baseline_symbols.txt: Update.
* config/abi/post/powerpc64-linux-gnu/32/baseline_symbols.txt: Update.
As we have only one P1 left right now, I think it is the right time
to update abi list files in libstdc++.
Here is an update for x86_64/i?86/s390x/ppc64 linux (aarch64 seems
to be correct already). For ppc64le it is missing the IEEE128 symver
symbols, but those need further work on the abi checking side.
2021-04-17 Jakub Jelinek <jakub@redhat.com>
* config/abi/post/x86_64-linux-gnu/baseline_symbols.txt: Update.
* config/abi/post/x86_64-linux-gnu/32/baseline_symbols.txt: Update.
* config/abi/post/i386-linux-gnu/baseline_symbols.txt: Update.
* config/abi/post/i486-linux-gnu/baseline_symbols.txt: Update.
* config/abi/post/s390x-linux-gnu/baseline_symbols.txt: Update.
* config/abi/post/powerpc64-linux-gnu/baseline_symbols.txt: Update.
This removes the new symbols added for the new futex-based
std::call_once implementation. These symbols were new on trunk, so not
in any released version. However, they are already present in some
beta distro releases (Fedora Linux 34) and in Fedora Linux rawhide. This
change can be locally reverted by distros that need to keep the symbols
present until affected packages have been rebuilt.
libstdc++-v3/ChangeLog:
PR libstdc++/99341
* config/abi/post/aarch64-linux-gnu/baseline_symbols.txt: Remove
std::once_flag symbols.
* config/abi/post/ia64-linux-gnu/baseline_symbols.txt: Likewise.
* config/abi/post/m68k-linux-gnu/baseline_symbols.txt: Likewise.
* config/abi/post/riscv64-linux-gnu/baseline_symbols.txt:
Likewise.
* config/abi/pre/gnu.ver: Likewise.
* src/c++11/mutex.cc [_GLIBCXX_HAVE_LINUX_FUTEX]
(struct __once_flag_compat): Remove.
(_ZNSt9once_flag11_M_activateEv): Remove.
(_ZNSt9once_flag9_M_finishEb): Remove.
The following patch updates the Solaris baselines for GCC 11.1. There's
only one caveat: comparing the Solaris 11.3 and 11.4 baselines, I find
+FUNC:_ZSt10from_charsPKcS0_RdSt12chars_format@@GLIBCXX_3.4.29
+FUNC:_ZSt10from_charsPKcS0_ReSt12chars_format@@GLIBCXX_3.4.29
+FUNC:_ZSt10from_charsPKcS0_RfSt12chars_format@@GLIBCXX_3.4.29
i.e.
std::from_chars(char const*, char const*, double&, std::chars_format)
and similarly for long double, float. Those are from from
src/c++17/floating_from_chars.cc and only defined if
_GLIBCXX_HAVE_USELOCALE, i.e. depend on the XPG7 addition. Given that
only Solaris 11.4 supports XPG7, I've taken the 11.3 baselines to avoid
having separate ones for 11.3 and 11.4.
Tested on i386-pc-solaris2.11 and sparc-sun-solaris2.11 (sparc and x86,
32 and 64-bit, 11.3 and 11.4).
2021-02-10 Rainer Orth <ro@CeBiTec.Uni-Bielefeld.DE>
libstdc++-v3:
* config/abi/post/i386-solaris/baseline_symbols.txt: Regenerate.
* config/abi/post/i386-solaris/amd64/baseline_symbols.txt:
Likewise.
* config/abi/post/sparc-solaris/baseline_symbols.txt: Likewise.
* config/abi/post/sparc-solaris/sparcv9/baseline_symbols.txt:
Likewise.
This should have been done before the GCC 10.1 release.
libstdc++-v3/ChangeLog:
* config/abi/post/powerpc-linux-gnu/baseline_symbols.txt:
Update.
* config/abi/post/powerpc64-linux-gnu/32/baseline_symbols.txt:
Update.
I just remembered that the libstdc++ ABI baselines haven't been updated
for the GCC 10 release yet. This patch corrects this for Solaris/SPARC
and x86.
Created on master with make new-abi-baseline on i386-pc-solaris2.11 and
sparc-sun-solaris2.11, bootstrapped on gcc-10 branch without regressions.
* config/abi/post/i386-solaris/baseline_symbols.txt: Regenerate.
* config/abi/post/i386-solaris/amd64/baseline_symbols.txt:
Likewise.
* config/abi/post/sparc-solaris/baseline_symbols.txt: Likewise.
* config/abi/post/sparc-solaris/sparcv9/baseline_symbols.txt:
Likewise.
On Wed, May 06, 2020 at 10:49:13AM +0200, Rainer Orth wrote:
> I just remembered that the libstdc++ ABI baselines haven't been updated
> for the GCC 10 release yet. This patch corrects this for Solaris/SPARC
> and x86.
Oops, here are the updates from Fedora packages built during the weekend.
2020-05-06 Jakub Jelinek <jakub@redhat.com>
* config/abi/post/x86_64-linux-gnu/baseline_symbols.txt: Update.
* config/abi/post/x86_64-linux-gnu/32/baseline_symbols.txt: Update.
* config/abi/post/i386-linux-gnu/baseline_symbols.txt: Update.
* config/abi/post/i486-linux-gnu/baseline_symbols.txt: Update.
* config/abi/post/aarch64-linux-gnu/baseline_symbols.txt: Update.
* config/abi/post/s390x-linux-gnu/baseline_symbols.txt: Update.
* config/abi/post/powerpc64-linux-gnu/baseline_symbols.txt: Update.
Andreas Schwab <schwab@suse.de>
* config/abi/post/riscv64-linux-gnu: New directory.
* config/abi/post/riscv64-linux-gnu/baseline_symbols.txt: New file.
From-SVN: r269472
* configure.host (abi_baseline_pair): Adjust for SPARC64/Linux.
* config/abi/post/sparc64-linux-gnu: New directory.
* config/abi/post/sparc64-linux-gnu/baseline_symbols.txt: New file.
* config/abi/post/sparc64-linux-gnu/32: New directory.
* config/abi/post/sparc64-linux-gnu/32/baseline_symbols.txt: New file.
From-SVN: r269096
PR libstdc++/81092
* acinclude.m4: Bump libtool_VERSION.
* config/abi/post/i386-linux-gnu/baseline_symbols.txt: Update.
* config/abi/post/x86_64-linux-gnu/32/baseline_symbols.txt: Update.
* config/abi/pre/gnu.ver: Add wstring constructor symbols to
GLIBCXX_3.4.24 version and move random_device::_M_get_entropy() symbol
to new GLIBCXX_3.4.25 version.
* doc/xml/manual/abi.xml: Document new versions.
* doc/html/*: Regenerate.
* testsuite/21_strings/basic_string/cons/char/8.cc: Use base object
constructors to ensure required symbols are exported.
* testsuite/21_strings/basic_string/cons/wchar_t/8.cc: Likewise.
* testsuite/util/testsuite_abi.cc: Add new version.
From-SVN: r249246
