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* 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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* htl: XFAIL rwlock tests which need pshared supportSamuel Thibault2020-02-091-0/+2
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* pthread: Move some rwlock tests from nptl to sysdeps/pthreadSamuel Thibault2020-02-099-5/+6
| | | | So they can be checked with htl too.
* pthread: Move most once tests from nptl to sysdeps/pthreadSamuel Thibault2020-02-098-5/+8
| | | | So they can be checked with htl too.
* htl: support cancellation during pthread_onceSamuel Thibault2020-02-091-0/+10
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* pthread: Move most cond tests from nptl to sysdeps/pthreadSamuel Thibault2020-02-0931-8/+28
| | | | So they can be checked with htl too.
* htl: make pthread_cond_destroy return EBUSY on waitersSamuel Thibault2020-02-091-1/+8
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* htl: Report missing mutex lock on pthread_cond_*waitSamuel Thibault2020-02-094-1/+59
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* htl: Fix linking static testcasesSamuel Thibault2020-02-091-0/+2
| | | | They need libpthread.a
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