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* Add STATX_ATTR_VERITY from Linux 5.5 to bits/statx-generic.h.Joseph Myers2020-02-131-0/+1
| | | | | | | | This patch adds the new STATX_ATTR_VERITY macro from Linux 5.5 to glibc's bits/statx-generic.h. (This only does anything if glibc is being used with old kernel headers.) Tested for x86_64.
* Use gcc -finput-charset=ascii for check-installed-headers.Stefan Liebler2020-02-135-5/+6
| | | | | | | | | | | | | | | | | | | | A non-ascii character in the installed headers leads now to: error: failure to convert ascii to UTF-8 Such a finding in s390 specific fenv.h leads to fails in GCC testsuite. See glibc commit 08aea89ef67c5780ae734073494df0a451bce20f. Adding this gcc option also to our tests was proposed by Florian Weimer. This change also found a hit in resource.h where now "microseconds" is used. I've adjusted all the resource.h files. I've used the following command to check for further hits in headers. LC_ALL=C find -name "*.h" -exec grep -PHn "[\x80-\xFF]" {} \; Tested on s390x and x86_64. Reviewed-by: Zack Weinberg <zackw@panix.com>
* math/test-sinl-pseudo: Use stack protector only if availableFlorian Weimer2020-02-131-0/+2
| | | | | This fixes commit 9333498794cde1d5cca518bad ("Avoid ldbl-96 stack corruption from range reduction of pseudo-zero (bug 25487).").
* alpha: Fix static gettimeofday symbolAdhemerval Zanella2020-02-132-6/+5
| | | | | | | | By undef strong_alias on alpha implementation, the default_symbol_version macro becomes an empty macro on static build. It fixes the issue introduced at c953219420. Checked on alpha-linux-gnu with a 'make check run-built-tests=no'.
* nss_nisplus: Use NSS_DECLARE_MODULE_FUNCTIONSFlorian Weimer2020-02-131-0/+1
| | | | Reviewed-by: DJ Delorie <dj@redhat.com>
* nss_dns: Use NSS_DECLARE_MODULE_FUNCTIONSFlorian Weimer2020-02-133-0/+6
| | | | Reviewed-by: DJ Delorie <dj@redhat.com>
* nss_files: Use NSS_DECLARE_MODULE_FUNCTIONSFlorian Weimer2020-02-1315-0/+38
| | | | Reviewed-by: DJ Delorie <dj@redhat.com>
* nss_db: Use NSS_DECLARE_MODULE_FUNCTIONSFlorian Weimer2020-02-133-1/+3
| | | | Reviewed-by: DJ Delorie <dj@redhat.com>
* nss_compat: Use NSS_DECLARE_MODULE_FUNCTIONSFlorian Weimer2020-02-134-0/+8
| | | | Reviewed-by: DJ Delorie <dj@redhat.com>
* nss_hesiod: Use NSS_DECLARE_MODULE_FUNCTIONSFlorian Weimer2020-02-134-0/+8
| | | | Reviewed-by: DJ Delorie <dj@redhat.com>
* nss: Add function types and NSS_DECLARE_MODULE_FUNCTIONS macro to <nss.h>Florian Weimer2020-02-133-35/+209
| | | | | | | This macro allows to add type safety to the implementation of NSS service modules. Reviewed-by: DJ Delorie <dj@redhat.com>
* nss_compat: Do not use nss_* names for function pointersFlorian Weimer2020-02-134-113/+112
| | | | | | | A future commit will use these names for types of functions in NSS service modules. Reviewed-by: DJ Delorie <dj@redhat.com>
* Avoid ldbl-96 stack corruption from range reduction of pseudo-zero (bug 25487).Joseph Myers2020-02-123-1/+55
| | | | | | | | | | | | | | | | | | | | | | | | | | | | | Bug 25487 reports stack corruption in ldbl-96 sinl on a pseudo-zero argument (an representation where all the significand bits, including the explicit high bit, are zero, but the exponent is not zero, which is not a valid representation for the long double type). Although this is not a valid long double representation, existing practice in this area (see bug 4586, originally marked invalid but subsequently fixed) is that we still seek to avoid invalid memory accesses as a result, in case of programs that treat arbitrary binary data as long double representations, although the invalid representations of the ldbl-96 format do not need to be consistently handled the same as any particular valid representation. This patch makes the range reduction detect pseudo-zero and unnormal representations that would otherwise go to __kernel_rem_pio2, and returns a NaN for them instead of continuing with the range reduction process. (Pseudo-zero and unnormal representations whose unbiased exponent is less than -1 have already been safely returned from the function before this point without going through the rest of range reduction.) Pseudo-zero representations would previously result in the value passed to __kernel_rem_pio2 being all-zero, which is definitely unsafe; unnormal representations would previously result in a value passed whose high bit is zero, which might well be unsafe since that is not a form of input expected by __kernel_rem_pio2. Tested for x86_64.
* mips: Fix argument passing for inlined syscalls on Linux [BZ #25523]WANG Xuerui2020-02-123-52/+104
| | | | | | | | | | | | | | According to [gcc documentation][1], temporary variables must be used for the desired content to not be call-clobbered. Fix the Linux inline syscall templates by adding temporary variables, much like what x86 did before (commit 381a0c26d73e0f074c962e0ab53b99a6c327066d). Tested with gcc 9.2.0, both cross-compiled and natively on Loongson 3A4000. [1]: https://gcc.gnu.org/onlinedocs/gcc/Local-Register-Variables.html
* mips: Use 'long int' and 'long long int' in linux syscall codeWANG Xuerui2020-02-1214-220/+230
| | | | Style fixes only, no functional change.
* alpha: Use generic gettimeofday implementationAdhemerval Zanella2020-02-123-8/+8
| | | | | | | | | It makes alpha no longer reports information about a system-wide time zone and moves the version logic on the alpha implementation. Checked on a build and check-abi for alpha-linux-gnu. Reviewed-by: Lukasz Majewski <lukma@denx.de>
* sunrpc: Properly clean up if tst-udp-timeout failsMatheus Castanho2020-02-121-3/+15
| | | | | | | | | | | | | The macro TEST_VERIFY_EXIT is used several times on sunrpc/tst-udp-timeout to exit the test if a condition evaluates to false. The side effect is that the code to terminate the RPC server process is not executed when the program calls exit, so that sub-process stays alive. This commit registers a clean up function with atexit to kill the server process before exiting the main program. Reviewed-by: Tulio Magno Quites Machado Filho <tuliom@linux.ibm.com>
* elf: avoid stack allocation in dl_open_workerDavid Kilroy2020-02-121-16/+12
| | | | | | | | | | | | As the sort was removed, there's no need to keep a separate map of links. Instead, when relocating objects iterate over l_initfini directly. This allows us to remove the loop copying l_initfini elements into map. We still need a loop to identify the first and last elements that need relocation. Tested by running the testsuite on x86_64.
* elf: avoid redundant sort in dlopenDavid Kilroy2020-02-121-4/+4
| | | | | | | l_initfini is already sorted by dependency in _dl_map_object_deps(), so avoid sorting again in dl_open_worker(). Tested by running the testsuite on x86_64.
* elf: Allow dlopen of filter object to work [BZ #16272]David Kilroy2020-02-1211-16/+327
| | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | There are two fixes that are needed to be able to dlopen filter objects. First _dl_map_object_deps cannot assume that map will be at the beginning of l_searchlist.r_list[], as filtees are inserted before map. Secondly dl_open_worker needs to ensure that filtees get relocated. In _dl_map_object_deps: * avoiding removing relocation dependencies of map by setting l_reserved to 0 and otherwise processing the rest of the search list. * ensure that map remains at the beginning of l_initfini - the list of things that need initialisation (and destruction). Do this by splitting the copy up. This may not be required, but matches the initialization order without dlopen. Modify dl_open_worker to relocate the objects in new->l_inifini. new->l_initfini is constructed in _dl_map_object_deps, and lists the objects that need initialization and destruction. Originally the list of objects in new->l_next are relocated. All of these objects should also be included in new->l_initfini (both lists are populated with dependencies in _dl_map_object_deps). We can't use new->l_prev to pick up filtees, as during a recursive dlopen from an interposed malloc call, l->prev can contain objects that are not ready for relocation. Add tests to verify that symbols resolve to the filtee implementation when auxiliary and filter objects are used, both as a normal link and when dlopen'd. Tested by running the testsuite on x86_64.
* Update translationsSiddhesh Poyarekar2020-02-122-6/+834
| | | | Pull in translation update from translation.org.
* Rename RWF_WRITE_LIFE_NOT_SET to RWH_WRITE_LIFE_NOT_SET following Linux 5.5.Joseph Myers2020-02-121-1/+2
| | | | | | | | Linux 5.5 renames RWF_WRITE_LIFE_NOT_SET to RWH_WRITE_LIFE_NOT_SET, with the old name kept as an alias. This patch makes the corresponding change in glibc. Tested for x86_64.
* S390: Fix non-ascii character in fenv.h.Stefan Liebler2020-02-121-2/+2
| | | | | | | | | | | | | | | | | The comment "isn't" contained a non-ascii character which leads to an error if compiled with -finput-charset=ascii: error: failure to convert ascii to UTF-8 This is observable in GCC testsuite: FAIL: 17_intro/headers/c++1998/charset.cc (test for excess errors) FAIL: 17_intro/headers/c++2011/charset.cc (test for excess errors) FAIL: 17_intro/headers/c++2014/charset.cc (test for excess errors) FAIL: 17_intro/headers/c++2017/charset.cc (test for excess errors) FAIL: 17_intro/headers/c++2020/charset.cc (test for excess errors) Also rewrite the comment above. Reported-by: Ulrich Weigand <Ulrich.Weigand@de.ibm.com>
* io: Add io/tst-lchmod covering lchmod and fchmodatFlorian Weimer2020-02-122-1/+315
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* Linux: Emulate fchmodat with AT_SYMLINK_NOFOLLOW using O_PATH [BZ #14578]Florian Weimer2020-02-121-10/+47
| | | | | /proc/self/fd files are special and chmod on O_PATH descriptors in that directory operates on the symbolic link itself (like lchmod).
* io: Implement lchmod using fchmodat [BZ #14578]Florian Weimer2020-02-125-6/+8
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* Add internal <file_change_detection.h> header fileFlorian Weimer2020-02-123-1/+347
| | | | | | | | | | | The code started out with bits form resolv/resolv_conf.c, but it was enhanced to deal with directories and FIFOs in a more predictable manner. A test case is included as well. This will be used to implement the /etc/resolv.conf change detection. This currently lives in a header file only. Once there are multiple users, the implementations should be moved into C files.
* elf.h: Add R_RISCV_IRELATIVEFangrui Song2020-02-121-1/+2
| | | | | | The number has been officially assigned by https://github.com/riscv/riscv-elf-psabi-doc/pull/131 https://github.com/riscv/riscv-elf-psabi-doc/commit/d21ca40a7f56812a15e97450b7bc1599c0d35b82
* Fix typo in the name for Wednesday in Kurdish [BZ #9809]Mike FABIAN2020-02-111-1/+1
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* debug: Add missing locale dependencies of fortify testsFlorian Weimer2020-02-111-0/+11
| | | | | | | | | | | | | | | | | The missing dependencies result in failures like this if make check is invoked with sufficient parallelism for the debug subdirectory: FAIL: debug/tst-chk2 FAIL: debug/tst-chk3 FAIL: debug/tst-chk4 FAIL: debug/tst-chk5 FAIL: debug/tst-chk6 FAIL: debug/tst-lfschk1 FAIL: debug/tst-lfschk2 FAIL: debug/tst-lfschk3 FAIL: debug/tst-lfschk4 FAIL: debug/tst-lfschk5 FAIL: debug/tst-lfschk6
* htl C11 threads: Avoid pthread_ symbols visibility in static librarySamuel Thibault2020-02-1042-45/+41
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* hurd: Add __pthread_spin_wait and use itSamuel Thibault2020-02-1117-24/+33
| | | | | | | | | 900778283ac3 ("htl: make pthread_spin_lock really spin") made pthread_spin_lock really spin and not block, but the current users of __pthread_spin_lock were assuming that it blocks, i.e. they use it as a lightweight mutex fitting in just one int. __pthread_spin_wait provides that support back.
* ldbl-128ibm-compat: set PRINTF_CHK flag in {,v}sprintf_chkPaul E. Murphy2020-02-102-0/+8
| | | | | | | This should be unconditionally set to match the common implementation, and fixes multiple test failures related to sprintf. Reviewed-by: Tulio Magno Quites Machado Filho <tuliom@linux.ibm.com>
* Use --disable-gdbserver in build-many-glibcs.py.Joseph Myers2020-02-101-0/+1
| | | | | | | | | | | | | Now that binutils-gdb has gdbserver at top level, an extra --disable-gdbserver configure option is needed when configuring binutils from a git checkout to avoid it also building gdbserver unnecessarily (although fairly harmlessly). This patch updates the options used in build-many-glibcs.py accordingly (although this might end up not being needed depending on what happens regarding whether gdbserver gets built for host != target). Tested with a build-many-glibcs.py compilers build for aarch64-linux-gnu using binutils-gdb master.
* Improve random memcpy benchmarkWilco Dijkstra2020-02-101-29/+57
| | | | | | | | | Improve the random memcpy benchmark. Double the number of copies and increase the memory sizes tested to 512KB. Add a more detailed distribution of memcpy alignment and sizes up to 4096 based on SPEC2017 traces. Reviewed-by: Siddhesh Poyarekar <siddhesh@sourceware.org>
* nptl: update default pthread-offsets.hAndreas Schwab2020-02-101-16/+6
| | | | | Remove unused definitions, and correct __PTHREAD_RWLOCK_FLAGS_OFFSET for __WORDSIZE == 64.
* nptl: add missing pthread-offsets.hAndreas Schwab2020-02-105-0/+25
| | | | | All architectures using their own definition of struct __pthread_rwlock_arch_t need to provide their own pthread-offsets.h.
* htl: Avoid a local plt for pthread_selfSamuel Thibault2020-02-101-3/+3
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* pthread: Move some join tests from nptl to sysdeps/pthreadSamuel Thibault2020-02-1014-13/+16
| | | | So they can be checked with htl too.
* htl: Make joining self return EDEADLKSamuel Thibault2020-02-101-0/+3
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* pthread: Move most barrier tests from nptl to sysdeps/pthreadSamuel Thibault2020-02-107-1/+2
| | | | So they can be checked with htl too.
* htl: Fix barrier_wait with one threadSamuel Thibault2020-02-101-1/+3
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* pthread: Move most sem tests from nptl to sysdeps/pthreadSamuel Thibault2020-02-1015-3/+12
| | | | So they can be checked with htl too.
* htl: Make sem_wait/sem_timedwait interruptibleSamuel Thibault2020-02-107-9/+47
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* htl: Make sem_open return ENOSYSSamuel Thibault2020-02-101-1/+1
| | | | instead of EOPNOTSUPP, which is for sockets.
* htl: Add support for semaphore maximum valueSamuel Thibault2020-02-102-0/+10
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* pthread: Move key tests from nptl to sysdeps/pthreadSamuel Thibault2020-02-106-1/+1
| | | | So they can be checked with htl too.
* hurd: Make nanosleep a cancellation pointSamuel Thibault2020-02-101-0/+5
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* htl: Add support for libc cancellation pointsSamuel Thibault2020-02-106-3/+69
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* htl: clean __pthread_get_cleanup_stack hidden protoSamuel Thibault2020-02-104-6/+4
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