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* csu: Implement and use _dl_early_allocate during static startupFlorian Weimer2022-05-191-0/+226
| | | | | | | | | | | | This implements mmap fallback for a brk failure during TLS allocation. scripts/tls-elf-edit.py is updated to support the new patching method. The script no longer requires that in the input object is of ET_DYN type. Reviewed-by: Adhemerval Zanella <adhemerval.zanella@linaro.org> (cherry picked from commit f787e138aa0bf677bf74fa2a08595c446292f3d7)
* scripts/glibcelf.py: Mark as UNSUPPORTED on Python 3.5 and earlierFlorian Weimer2022-04-261-0/+6
| | | | | | | enum.IntFlag and enum.EnumMeta._missing_ support are not part of earlier Python versions. (cherry picked from commit b571f3adffdcbed23f35ea39b0ca43809dbb4f5b)
* scripts: Add glibcelf.py moduleFlorian Weimer2022-04-221-0/+1135
| | | | | | | | | | | | | | | | | Hopefully, this will lead to tests that are easier to maintain. The current approach of parsing readelf -W output using regular expressions is not necessarily easier than parsing the ELF data directly. This module is still somewhat incomplete (e.g., coverage of relocation types and versioning information is missing), but it is sufficient to perform basic symbol analysis or program header analysis. The EM_* mapping for architecture-specific constant classes (e.g., SttX86_64) is not yet implemented. The classes are defined for the benefit of elf/tst-glibcelf.py. Reviewed-by: Siddhesh Poyarekar <siddhesh@sourceware.org> (cherry picked from commit 30035d67728a846fa39749cd162afd278ac654c4)
* Disable debuginfod in printer tests [BZ #28757]H.J. Lu2022-01-141-0/+11
| | | | | | | | | | | | | | | | | | | | | | | | | | | With gdb-11.1-6.fc35.x86_64, I got FAIL: nptl/test-cond-printers FAIL: nptl/test-condattr-printers FAIL: nptl/test-mutex-printers FAIL: nptl/test-mutexattr-printers FAIL: nptl/test-rwlock-printers FAIL: nptl/test-rwlockattr-printers $ cat nptl/test-condattr-printers.out Error: Response does not match the expected pattern. Command: start Expected pattern: main Response: Temporary breakpoint 1 at 0x11d5: file test-condattr-printers.c, line 43. Starting program: /export/build/gnu/tools-build/glibc-cet-gitlab/build-x86_64-linux/nptl/test-condattr-printers This GDB supports auto-downloading debuginfo from the following URLs: https://debuginfod.fedoraproject.org/ Enable debuginfod for this session? (y or [n]) Disable debuginfod to avoid GDB messages. This fixes BZ #28757. Reviewed-by: Florian Weimer <fweimer@redhat.com> (cherry picked from commit 7de501f9418bf099e7104b63b0e4423257981b14)
* Use Linux 5.14 in build-many-glibcs.pyJoseph Myers2021-09-151-1/+1
| | | | | | | | | This patch makes build-many-glibcs.py use Linux 5.14. Tested with build-many-glibcs.py (host-libraries, compilers and glibcs builds). (cherry picked from commit 4e04a47208e1712fcf202a6d9831f0900d575225)
* build-many-glibcs.py: Add x86_64-linux-gnu-minimal configurationFlorian Weimer2021-07-281-0/+10
| | | | | | This configuration exercises various --disable-* configure options. It is expected to catch -Werror failures that only affect these configurations.
* build-many-glibcs.py: Add glibcs-arm-linux-gnueabihf-thumbFlorian Weimer2021-07-091-0/+3
| | | | | Previously, there was no thumb variant, despite that building glibc in Thumb-2 mode is supported.
* Use Linux 5.13 in build-many-glibcs.pyJoseph Myers2021-06-301-1/+1
| | | | | | | This patch makes build-many-glibcs.py use Linux 5.13. Tested with build-many-glibcs.py (host-libraries, compilers and glibcs builds).
* nptl_db: Re-use the ELF-to-abilist converter for ABI checkingFlorian Weimer2021-06-291-1/+1
| | | | | | | | | | The previous approach uses readelf -DWs, which does not produce a stable output format (older binutils versions do not include symbol version information). This commit re-uses scripts/abilist.awk with a tweak to include GLIBC_PRIVATE symbols. This awk script is based on objdump -T output, which appears to be stable over time. Reviewed-by: Szabolcs Nagy <szabolcs.nagy@arm.com>
* Add libc ABI extension kludge for baseline-violating libdl symbolsFlorian Weimer2021-06-021-1/+25
| | | | | | | | | | | | | | | | | | | Some targets have a GLIBC_2.0 baseline for libdl, while using GLIBC_2.2 for libc. This means that the generated libc.map file does not have any version nodes for GLIBC_2.0 or GLIBC_2.1. However, moving symbols from libdl into libc needs such version nodes. (Future symbol moves from librt will need this as well.) This kludge is only necessary for symbols predating GLIBC_2.2 because the affected targets use GLIBC_2.2 as the baseline for libc. Given the small number and fixed set of affected architectures, no generic mechanism is implemented, and instead the map file fragment is hard-coded in scripts/versions.mk. The compat_symbol macro already emits the appropriate version strings, so no adjustments are needed there. Reviewed-by: Adhemerval Zanella <adhemerval.zanella@linaro.org>
* scripts/versions.awk: Add local: * to all version nodesFlorian Weimer2021-06-021-5/+1
| | | | | | | | | | | | This requires that all exported symbol versions are listed in Versions files. It results in more consistent behavior across architectures because previously, symbols could be exported via explicit versioned_symbol and compat_symbol macros if the version node existed in some Versions file (without listing the symbol), and it was not the base version for the library (which already had the local: * directive). Reviewed-by: Adhemerval Zanella <adhemerval.zanella@linaro.org>
* scripts/versions.awk: Add strings and hashes to <first-versions.h>Florian Weimer2021-05-101-0/+36
| | | | | | | | | This generates new macros of this from: They are useful for symbol lookups using _dl_lookup_direct. Tested-by: Carlos O'Donell <carlos@redhat.com> Reviewed-by: Carlos O'Donell <carlos@redhat.com>
* Use Linux 5.12 and GCC 11 branch in build-many-glibcs.py.Joseph Myers2021-04-271-2/+2
| | | | | | | | This patch makes build-many-glibcs.py use Linux 5.12 and GCC 11 branch. Tested with build-many-glibcs.py (host-libraries, compilers and glibcs builds).
* glibcymbols.read_abilist: Add check for duplicate symbolsFlorian Weimer2021-03-161-1/+4
| | | | | | This detects some bogus abilist files. Reviewed-by: Adhemerval Zanella <adhemerval.zanella@linaro.org>
* scripts/glibcsymbols.py: Extract from scripts/move-symbol-to-libc.pyFlorian Weimer2021-03-162-62/+93
| | | | Reviewed-by: Adhemerval Zanella <adhemerval.zanella@linaro.org>
* Allow gdb version 10 in pretty printer tests.Stefan Liebler2021-03-111-1/+2
| | | | | | | | | | | | | With gdb 10, the pretty printer tests are UNSUPPORTED:: The gdb version string (gdb -v) is incorrectly formatted. This is observable in: nptl/test-cond-printers, nptl/test-condattr-printers, nptl/test-mutex-printers, nptl/test-mutexattr-printers, nptl/test-rwlock-printers, nptl/test-rwlockattr-printers After updating the regexp and building with debug-info, all those tests are passing.
* tst: Extend cross-test-ssh.sh to specify if target date can be alteredLukasz Majewski2021-03-081-1/+24
| | | | | | | | | | | | | This code adds new flag - '--allow-time-setting' to cross-test-ssh.sh script to indicate if it is allowed to alter the date on the system on which tests are executed. This change is supposed to be used with test systems, which use virtual machines for testing. The GLIBC_TEST_ALLOW_TIME_SETTING env variable is exported to the remote environment on which the eligible test is run and brings no functional change when it is not. Reviewed-by: Adhemerval Zanella <adhemerval.zanella@linaro.org>
* Use Linux 5.11 in build-many-glibcs.py.Joseph Myers2021-02-221-1/+1
| | | | | | | This patch makes build-many-glibcs.py use Linux 5.11. Tested with build-many-glibcs.py (host-libraries, compilers and glibcs builds).
* build-many-glibcs.py: Use make -O for more consistent log outputFlorian Weimer2021-02-221-1/+1
| | | | | | | | The -O option avoids interleaving (e.g.) compiler error messages with other build messages, and makes attribution of messages to commands easier. According to my tests, the impact on build time is within the noise.
* Use binutils 2.36 branch in build-many-glibcs.py.Joseph Myers2021-02-041-1/+1
| | | | | | This patch makes build-many-glibcs.py use binutils 2.36 branch. Tested with build-many-glibcs.py (compilers and glibcs builds).
* elf: Avoid RELATIVE relocs in __tunables_initSzabolcs Nagy2021-01-211-1/+11
| | | | | | | | | | | | | | | | | | | | | | | With static pie linking pointers in the tunables list need RELATIVE relocs since the absolute address is not known at link time. We want to avoid relocations so the static pie self relocation can be done after tunables are initialized. This is a simple fix that embeds the tunable strings into the tunable list instead of using pointers. It is possible to have a more compact representation of tunables with some additional complexity in the generator and tunable parser logic. Such optimization will be useful if the list of tunables grows. There is still an issue that tunables_strdup allocates and the failure handling code path is sufficiently complex that it can easily have RELATIVE relocations. It is possible to avoid the early allocation and only change environment variables in a setuid exe after relocations are processed. But that is a bigger change and early failure is fatal anyway so it is not as critical to fix right away. This is bug 27181. Reviewed-by: Adhemerval Zanella <adhemerval.zanella@linaro.org>
* elf: Make the tunable struct definition internal onlySzabolcs Nagy2021-01-211-1/+3
| | | | | | | | | | | | | | | | | The representation of the tunables including type information and the tunable list structure are only used in the implementation not in the tunables api that is exposed to usage within glibc. This patch moves the representation related definitions into the existing dl-tunable-types.h and uses that only for implementation. The tunable callback and related types are moved to dl-tunables.h because they are part of the tunables api. This reduces the details exposed in the tunables api so the internals are easier to change. Reviewed-by: Adhemerval Zanella <adhemerval.zanella@linaro.org>
* install: Replace scripts/output-format.sed with objdump -f [BZ #26559]Fangrui Song2021-01-111-35/+0
| | | | | | | | | | | | | | GNU ld and gold have supported --print-output-format since 2011. glibc requires binutils>=2.25 (2015), so if LD is GNU ld or gold, we can assume the option is supported. lld is by default a cross linker supporting multiple targets. It auto detects the file format and does not need OUTPUT_FORMAT. It does not support --print-output-format. By parsing objdump -f, we can support all the three linkers. Reviewed-by: Adhemerval Zanella <adhemerval.zanella@linaro.org>
* Sync move-if-change from GnulibPaul Eggert2021-01-021-2/+3
| | | | | | This alters move-if-change so that its --version option outputs the correct copyright date automatically. One less thing to update by hand.
* Update copyright dates not handled by scripts/update-copyrights.Paul Eggert2021-01-021-1/+1
| | | | | | | | | | | | | | I've updated copyright dates in glibc for 2021. This is the patch for the changes not generated by scripts/update-copyrights and subsequent build / regeneration of generated files. As well as the usual annual updates, mainly dates in --version output (minus csu/version.c which previously had to be handled manually but is now successfully updated by update-copyrights), there is a small change to the copyright notice in NEWS which should let NEWS get updated automatically next year. Please remember to include 2021 in the dates for any new files added in future (which means updating any existing uncommitted patches you have that add new files to use the new copyright dates in them).
* Update copyright dates with scripts/update-copyrightsPaul Eggert2021-01-0227-27/+27
| | | | | | | | | | | | | | | | I used these shell commands: ../glibc/scripts/update-copyrights $PWD/../gnulib/build-aux/update-copyright (cd ../glibc && git commit -am"[this commit message]") and then ignored the output, which consisted lines saying "FOO: warning: copyright statement not found" for each of 6694 files FOO. I then removed trailing white space from benchtests/bench-pthread-locks.c and iconvdata/tst-iconv-big5-hkscs-to-2ucs4.c, to work around this diagnostic from Savannah: remote: *** pre-commit check failed ... remote: *** error: lines with trailing whitespace found remote: error: hook declined to update refs/heads/master
* hurd: Accept including hurd/version.hSamuel Thibault2020-12-291-1/+1
| | | | We need it to get the RPC API version.
* Use Linux 5.10 in build-many-glibcs.py.Joseph Myers2020-12-151-1/+1
| | | | | | | This patch makes build-many-glibcs.py use Linux 5.10. Tested with build-many-glibcs.py (host-libraries, compilers and glibcs builds).
* Use GMP 6.2.1 in build-many-glibcs.py.Joseph Myers2020-12-151-1/+1
| | | | | | | | This patch makes build-many-glibcs.py use the recent GMP 6.2.1 release. Tested with build-many-glibcs.py (host-libraries, compilers and glibcs builds).
* Add scripts/move-symbol-to-libc.pyFlorian Weimer2020-12-041-0/+217
| | | | | This helper script can be used to move symbols to libc.abilist across all architectures, while preserving their symbol version.
* hurd: Remove some remnants of cthreadsSamuel Thibault2020-11-151-1/+1
| | | | | Libc has actually been using mach's lock-internal.h mutex for a long time already.
* Use MPC 1.2.1 in build-many-glibcs.py.Joseph Myers2020-10-301-1/+1
| | | | | | | This patch makes build-many-glibcs.py use the new MPC 1.2.1 release. Tested with build-many-glibcs.py (host-libraries, compilers and glibcs builds).
* Use Linux 5.9 in build-many-glibcs.py.Joseph Myers2020-10-221-1/+1
| | | | | | | This patch makes build-many-glibcs.py use Linux 5.9. Tested with build-many-glibcs.py (host-libraries, compilers and glibcs builds).
* scripts/update-copyrights: Update csu/version.c, elf/dl-usage.cFlorian Weimer2020-10-081-0/+6
| | | | Reviewed-by: Adhemerval Zanella <adhemerval.zanella@linaro.org>
* Optimize scripts/merge-test-results.shDJ Delorie2020-10-051-1/+6
| | | | | | | | The inner loop is called thousands of times per "make check" even if there's otherwise nothing to do. Avoid calling /bin/head all those times when a builtin will do. Reviewed-by: Carlos O'Donell <carlos@redhat.com>
* Add RISC-V 32-bit target to build-many-glibcs.pyZong Li2020-08-271-0/+15
| | | | | | | | | Support building three variants of 32-bit RISC-V glibc as follows: - riscv32-linux-gnu-rv32imac-ilp32 - riscv32-linux-gnu-rv32imafdc-ilp32 - riscv32-linux-gnu-rv32imafdc-ilp32d Reviewed-by: Maciej W. Rozycki <macro@wdc.com>
* [vcstocl] Import ProjectQuirks from its own fileSiddhesh Poyarekar2020-08-201-1/+1
| | | | | | ProjectQuirks moved into its own file in gnulib because one cannot import modules with hyphens in them. Adjust the quirks file to reflect this reality.
* build-many-glibcs.py: Add a s390x -O3 glibc variant.Stefan Liebler2020-08-201-2/+11
| | | | | | | | | | | | | | | On s390x, gcc inlines more aggresive compared to other architectures. This occaisionally leads to build warnings / errors. Therefore this patch adds a s390x glibc variant with optimization. There is the ccopts field which contain ABI options which are passed to configure as CC / CXX. Now there is also the cflags field which contains non-ABI options like -g or -O. Those are passed to configure as CFLAGS / CXXFLAGS. Currently CC is passed to conformtest.py or linknamespace.py but not the CFLAGS.
* Use MPC 1.2.0 in build-many-glibcs.py.Joseph Myers2020-08-191-1/+1
| | | | | | | This patch makes build-many-glibcs.py use the new MPC 1.2.0 release. Tested with build-many-glibcs.py (host-libraries, compilers and glibcs builds).
* Update build-many-glibcs.py for binutils ia64 obsoletion.Joseph Myers2020-08-131-3/+9
| | | | | | | | | | | | Since binutils has obsoleted ia64 support, use --enable-obsolete for now when configuring binutils for ia64 in build-many-glibcs.py (which requires adding support for architecture-specific binutils configure options there). As with other obsoletions, the removal of support for ia64 in any of (binutils, GCC, Linux kernel) should imply its removal from glibc. Tested with build-many-glibcs.py for ia64-linux-gnu (compilers and glibcs build).
* Use Linux 5.8 in build-many-glibcs.py.Joseph Myers2020-08-071-1/+1
| | | | | | | This patch makes build-many-glibcs.py use Linux 5.8. Tested with build-many-glibcs.py (host-libraries, compilers and glibcs builds).
* Use binutils 2.35 branch in build-many-glibcs.py.Joseph Myers2020-07-271-1/+1
| | | | | | This patch makes build-many-glibcs.py use binutils 2.35 branch. Tested with build-many-glibcs.py (compilers and glibcs builds).
* Use MPFR 4.1.0 in build-many-glibcs.py.Joseph Myers2020-07-201-1/+1
| | | | | | | This patch makes build-many-glibcs.py use the new MPFR 4.1.0 release. Tested with build-many-glibcs.py (host-libraries, compilers and glibcs builds).
* Remove --enable-obsolete-rpc configure flagPetr Vorel2020-07-131-6/+0
| | | | | | | | | | | | | | | | | | | | | | Sun RPC was removed from glibc. This includes rpcgen program, librpcsvc, and Sun RPC headers. Also test for bug #20790 was removed (test for rpcgen). Backward compatibility for old programs is kept only for architectures and ABIs that have been added in or before version 2.28. libtirpc is mature enough, librpcsvc and rpcgen are provided in rpcsvc-proto project. NOTE: libnsl code depends on Sun RPC (installed libnsl headers use installed Sun RPC headers), thus --enable-obsolete-rpc was a dependency for --enable-obsolete-nsl (removed in a previous commit). The arc ABI list file has to be updated because the port was added with the sunrpc symbols Tested-by: Carlos O'Donell <carlos@redhat.com> Reviewed-by: Carlos O'Donell <carlos@redhat.com>
* build-many-glibcs.py: Enable ARC buildsVineet Gupta2020-07-101-0/+10
| | | | Reviewed-by: Adhemerval Zanella <adhemerval.zanella@linaro.org>
* Remove --enable-obsolete-nsl configure flagPetr Vorel2020-07-081-4/+2
| | | | | | | | | | | | | | | | | | | this means that *always* libnsl is only built as shared library for backward compatibility and the NSS modules libnss_nis and libnss_nisplus are not built at all, libnsl's headers aren't installed. This compatibility is kept only for architectures and ABIs that have been added in or before version 2.28. Replacement implementations based on TIRPC, which additionally support IPv6, are available from <https://github.com/thkukuk/>. This change does not affect libnss_compat which does not depended on libnsl since 2.27 and thus can be used without NIS. libnsl code depends on Sun RPC, e.g. on --enable-obsolete-rpc (installed libnsl headers use installed Sun RPC headers), which will be removed in the following commit.
* signal: Move sys_errlist to a compat symbolAdhemerval Zanella2020-07-071-2/+1
| | | | | | | | | | | | | | | | | | | | The symbol is deprecated by strerror since its usage imposes some issues such as copy relocations. Its internal name is also changed to _sys_errlist_internal to avoid static linking usage. The compat code is also refactored by removing the over enginered errlist-compat.c generation from manual entried and extra comment token in linker script file. It disantangle the code generation from manual and simplify both Linux and Hurd compat code. The definitions from errlist.c are moved to errlist.h and a new test is added to avoid a new errno entry without an associated one in manual. Checked on x86_64-linux-gnu and i686-linux-gnu. I also run a check-abi on all affected platforms. Tested-by: Carlos O'Donell <carlos@redhat.com> Reviewed-by: Carlos O'Donell <carlos@redhat.com>
* Use Linux 5.7 in build-many-glibcs.py.Joseph Myers2020-06-101-1/+1
| | | | | | | This patch makes build-many-glibcs.py use Linux 5.7. Tested with build-many-glibcs.py (host-libraries, compilers and glibcs builds).
* Use GCC 10 branch in build-many-glibcs.py.Joseph Myers2020-05-061-1/+1
| | | | | | | This updates the default GCC version used in build-many-glibcs.py when no version is specified explicitly. I'm replacing my bot using GCC 8 with one using GCC 10 (leaving the GCC 9 and GCC mainline bots running as at present).
* Linux: Remove <sys/sysctl.h> and the sysctl functionFlorian Weimer2020-04-151-5/+0
| | | | | | | | | | | | | | | Linux 5.5 remove the system call in commit 61a47c1ad3a4dc6882f01ebdc88138ac62d0df03 ("Linux: Remove <sys/sysctl.h>"). Therefore, the compat function is just a stub that sets ENOSYS. Due to SHLIB_COMPAT, new ports will not add the sysctl function anymore automatically. x32 already lacks the sysctl function, so an empty sysctl.c file is used to suppress it. Otherwise, a new compat symbol would be added. Reviewed-by: Adhemerval Zanella <adhemerval.zanella@linaro.org>
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