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* Added Fiji Hindi language locale for FijiAkhilesh Kumar2017-07-131-0/+5
| | | | | | | [BZ #21207] * locales/hif_FJ: New file. * SUPPORTED: Add hif_FJ/UTF-8. * locale/iso-639.def: Add Fiji Hindi (hif).
* Fix type in sysdeps/hppa/dl-machine.h.John David Anglin2017-07-121-0/+4
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* Compile tst-ssp-1.c with -fstack-protector-allH.J. Lu2017-07-121-0/+5
| | | | | | | | Compile tst-ssp-1.c with -fstack-protector-all in case the the stack protector heuristics do not instrument a thirty-byte array. * debug/Makefile (CFLAGS-tst-ssp-1.c): Set to -fstack-protector-all.
* New locale for agr_PE.Chris Leonard2017-07-121-0/+5
| | | | | | | | | [BZ #20496] * locale/iso-639.def: Add Awajún / Aguaruna (agr). [BZ #20496] * SUPPORTED: Add agr_PE. * locales/agr_PE: New file, Awajún / Aguaruna locale for Peru.
* powerpc64le: Iterate over all object suffixes when appending -mfloat128Gabriel F. T. Gomes2017-07-111-0/+6
| | | | | | | | | | | | | On powerpc64le, the compilation of the files related to float128 support requires the option -mfloat128 to be passed to gcc. However, not all possible object suffixes were covered in the Makefile. This patch uses $(all-object-suffixes) in all remaining rules. Tested for powerpc64le. * sysdeps/powerpc/powerpc64le/Makefile: Use $(all-object-suffixes) to iterate over all possible object suffixes. Add a comment explaining the use of sysdep-CFLAGS instead of CFLAGS.
* Avoid backtrace from __stack_chk_fail [BZ #12189]H.J. Lu2017-07-111-0/+22
| | | | | | | | | | | | | | | | | | | | | | | | | | | | __stack_chk_fail is called on corrupted stack. Stack backtrace is very unreliable against corrupted stack. __libc_message is changed to accept enum __libc_message_action and call BEFORE_ABORT only if action includes do_backtrace. __fortify_fail_abort is added to avoid backtrace from __stack_chk_fail. [BZ #12189] * debug/Makefile (CFLAGS-tst-ssp-1.c): New. (tests): Add tst-ssp-1 if -fstack-protector works. * debug/fortify_fail.c: Include <stdbool.h>. (_fortify_fail_abort): New function. (__fortify_fail): Call _fortify_fail_abort. (__fortify_fail_abort): Add a hidden definition. * debug/stack_chk_fail.c: Include <stdbool.h>. (__stack_chk_fail): Call __fortify_fail_abort, instead of __fortify_fail. * debug/tst-ssp-1.c: New file. * include/stdio.h (__libc_message_action): New enum. (__libc_message): Replace int with enum __libc_message_action. (__fortify_fail_abort): New hidden prototype. * malloc/malloc.c (malloc_printerr): Update __libc_message calls. * sysdeps/posix/libc_fatal.c (__libc_message): Replace int with enum __libc_message_action. Call BEFORE_ABORT only if action includes do_backtrace. (__libc_fatal): Update __libc_message call.
* posix: Add p{read,write}v2 RWF_NOWAIT flag (BZ#21738)Adhemerval Zanella2017-07-111-0/+8
| | | | | | | | | | | | | | Linux 4.12 (b745fafaf70c0a98a2e1e7ac8cb14542889ceb0e) adds a new p{read,write}v2 flag RWF_NOWAIT. This patch adds it for linux uio-ext.h header. Checked on x86_64-linux-gnu (on a 4.10 kernel). [BZ #21738] * manual/llio.texi (RWF_NOWAIT): New item. * misc/tst-preadvwritev2-common.c (do_test_with_invalid_flags): Add RWF_NOWAIT check. * sysdeps/unix/sysv/linux/bits/uio-ext.h (RWF_NOWAIT): New flag.
* S390: Fix tst-ptrace-singleblock if kernel does not support PTRACE_SINGLEBLOCK.Stefan Liebler2017-07-111-0/+5
| | | | | | | | | | | | | | | | | | The request PTRACE_SINGLEBLOCK was introduced in Linux 3.15. Thus the ptrace call will fail on older kernels. Thus the test is now testing PTRACE_SINGLEBLOCK with data argument pointing to a buffer on stack which is assumed to fail. If the request would be interpreted as PTRACE_GETREGS, then the ptrace call will not fail and the regs are written to buf. If we run with a kernel with support for PTRACE_SINGLEBLOCK a ptrace call with data=NULL, returns zero with no error. If we run with a kernel without support for PTRACE_SINGLEBLOCK a ptrace call with data=NULL reports an error. In the latter case, the test is just continuing with PTRACE_CONT. ChangeLog: * sysdeps/unix/sysv/linux/s390/tst-ptrace-singleblock.c: Support running on kernels without PTRACE_SINGLEBLOCK.
* Don't include _dl_resolve_conflicts in libc.a [BZ #21742]H.J. Lu2017-07-101-0/+6
| | | | | | | | | Since _dl_resolve_conflicts is only used in elf/rtld.c, don't include it in libc.a. [BZ #21742] * elf/Makefile (dl-routines): Move dl-conflict to ... (rtld-routines): Here.
* x86-64: Test memmove_chk and memset_chk only in libc.so [BZ #21741]H.J. Lu2017-07-101-0/+7
| | | | | | | | | | Since there are no multiarch versions of memmove_chk and memset_chk, test multiarch versions of memmove_chk and memset_chk only in libc.so. [BZ #21741] * sysdeps/x86_64/multiarch/ifunc-impl-list.c (__libc_ifunc_impl_list): Test memmove_chk and memset_chk only in libc.so.
* Update hppa ulps.John David Anglin2017-07-091-0/+2
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* Use generic pthread support on hppa.John David Anglin2017-07-091-0/+22
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* x86-64: Update comments in IFUNC selectorsH.J. Lu2017-07-091-0/+19
| | | | | | | | | | | | | | | | | | | * sysdeps/x86_64/multiarch/memcmp.c: Update comments. * sysdeps/x86_64/multiarch/memmove.c: Likewise. * sysdeps/x86_64/multiarch/memrchr.c: Likewise. * sysdeps/x86_64/multiarch/memset.c: Likewise. * sysdeps/x86_64/multiarch/rawmemchr.c: Likewise. * sysdeps/x86_64/multiarch/strchrnul.c: Likewise. * sysdeps/x86_64/multiarch/strlen.c: Likewise. * sysdeps/x86_64/multiarch/strnlen.c: Likewise. * sysdeps/x86_64/multiarch/wcschr.c: Likewise. * sysdeps/x86_64/multiarch/wcscpy.c: Likewise. * sysdeps/x86_64/multiarch/wcslen.c: Likewise. * sysdeps/x86_64/multiarch/wcsnlen.c: Likewise. * sysdeps/x86_64/multiarch/wmemchr.c: Likewise. * sysdeps/x86_64/multiarch/wmemcmp.c: Likewise. * sysdeps/x86_64/multiarch/wmemset.c: Likewise. * sysdeps/x86_64/multiarch/wmemset_chk.c: Likewise.
* x86-64: Update comments in ifunc-impl-list.cH.J. Lu2017-07-091-0/+4
| | | | | | | All x86-64 IFUNC selectors are written in C now. Update comments to reflect it. * sysdeps/x86_64/multiarch/ifunc-impl-list.c: Update comments.
* Fix BZ #21049.John David Anglin2017-07-091-0/+6
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* build-many-glibcs.py: also build profiled objectsAndreas Schwab2017-07-081-0/+5
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* * manual/tunables.texi: Add missing @end deftp.DJ Delorie2017-07-061-1/+5
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* resolv: Deal with non-deterministic address order in tst-resolv-basicFlorian Weimer2017-07-061-0/+5
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* Add per-thread cache to mallocDJ Delorie2017-07-061-0/+28
| | | | | | | | | | | | | | | | | | | | | | | | | | | | * config.make.in: Enable experimental malloc option. * configure.ac: Likewise. * configure: Regenerate. * manual/install.texi: Document it. * INSTALL: Regenerate. * malloc/Makefile: Likewise. * malloc/malloc.c: Add per-thread cache (tcache). (tcache_put): New. (tcache_get): New. (tcache_thread_freeres): New. (tcache_init): New. (__libc_malloc): Use cached chunks if available. (__libc_free): Initialize tcache if needed. (__libc_realloc): Likewise. (__libc_calloc): Likewise. (_int_malloc): Prefill tcache when appropriate. (_int_free): Likewise. (do_set_tcache_max): New. (do_set_tcache_count): New. (do_set_tcache_unsorted_limit): New. * manual/probes.texi: Document new probes. * malloc/arena.c: Add new tcache tunables. * elf/dl-tunables.list: Likewise. * manual/tunables.texi: Document them. * NEWS: Mention the per-thread cache.
* Increase some test timeouts.Joseph Myers2017-07-061-0/+9
| | | | | | | | | | | | | | | This patch increases the timeouts for some tests that I've seen timing out on slow systems in my 2.26 release testing. (In the case of tst-tsearch.c, increasing the timeout means removing a setting of 10 that was put there before the default timeout was increased to 20 seconds, so putting the default into effect.) * iconvdata/tst-loading.c (TIMEOUT): Define to 30. * misc/tst-tsearch.c (TIMEOUT): Remove. * nptl/tst-create-detached.c (TIMEOUT): Define to 100. * nptl/tst-robust-fork.c (TIMEOUT): Likewise. * nptl/tst-rwlock19.c (TIMEOUT): Likewise. * string/tst-cmp.c (TIMEOUT): Define to 600.
* nptl: Fix typo on __have_pthread_attr_t (BZ#21715)Matthew Krupcale2017-07-061-0/+6
| | | | | | | | | | | This patch fixes some build issues when including types/sigevent_t.h along with bits/pthreadtypes.h. Checked on x86_64-linux-gnu and on a build on supported major ABIs. [BZ #21715] * sysdeps/nptl/bits/pthreadtypes.h (__have_pthread_attr_t): Fix typo on definition.
* x86-64: Align the stack in __tls_get_addr [BZ #21609]H.J. Lu2017-07-061-0/+13
| | | | | | | | | | | | | | | | | | | | | | | | | | This change forces realignment of the stack pointer in __tls_get_addr, so that binaries compiled by GCCs older than GCC 4.9: https://gcc.gnu.org/bugzilla/show_bug.cgi?id=58066 continue to work even if vector instructions are used in glibc which require the ABI stack realignment. __tls_get_addr_slow is added to handle the slow paths in the default implementation of__tls_get_addr in elf/dl-tls.c. The new __tls_get_addr calls __tls_get_addr_slow after realigning the stack. Internal calls within ld.so go directly to the default implementation of __tls_get_addr because they do not need stack realignment. [BZ #21609] * sysdeps/x86_64/Makefile (sysdep-dl-routines): Add tls_get_addr. (gen-as-const-headers): Add rtld-offsets.sym. * sysdeps/x86_64/dl-tls.c: New file. * sysdeps/x86_64/rtld-offsets.sym: Likwise. * sysdeps/x86_64/tls_get_addr.S: Likewise. * sysdeps/x86_64/dl-tls.h: Add multiple inclusion guards. * sysdeps/x86_64/tlsdesc.sym (TI_MODULE_OFFSET): New. (TI_OFFSET_OFFSET): Likwise.
* posix: Fix default posix_spawn return valueAdhemerval Zanella2017-07-051-0/+5
| | | | | | | | | | | | This patch fix the return value for error conditions for default posix_spawn (where the errno is expected). It also avoid clobber errno on fork call. Checked on x86_64 (with Linux implementation removed). [BZ# 21697] * sysdeps/posix/spawni.c (__spawni_child): Fix return value. (__spawnix): Do not clober errno.
* support: Add resolver testing mode which does not patch _resFlorian Weimer2017-07-051-0/+15
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* support: Add support_chroot_create and support_chroot_freeFlorian Weimer2017-07-051-0/+14
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* support: Check isolation of loopback addresses in tst-support-namespaceFlorian Weimer2017-07-051-0/+6
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* Single threaded stdio optimizationSzabolcs Nagy2017-07-041-0/+18
| | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | Locking overhead can be significant in some stdio operations that are common in single threaded applications. This patch adds the _IO_FLAGS2_NEED_LOCK flag to indicate if an _IO_FILE object needs to be locked and some of the stdio functions just jump to their _unlocked variant when not. The flag is set on all _IO_FILE objects when the first thread is created. A new GLIBC_PRIVATE libc symbol, _IO_enable_locks, was added to do this from libpthread. The optimization can be applied to more stdio functions, currently it is only applied to single flag check or single non-wide-char standard operations. The flag should probably be never set for files with _IO_USER_LOCK, but that's just a further optimization, not a correctness requirement. The optimization is valid in a single thread because stdio operations are non-as-safe (so lock state is not observable from a signal handler) and stdio locks are recursive (so lock state is not observable via deadlock). The optimization is not valid if a thread may be created while an stdio lock is taken and thus it should be disabled if any user code may run during an stdio operation (interposed malloc, printf hooks, etc). This makes the optimization more complicated for some stdio operations (e.g. printf), but those are bigger and thus less important to optimize so this patch does not try to do that. * libio/libio.h (_IO_FLAGS2_NEED_LOCK, _IO_need_lock): Define. * libio/libioP.h (_IO_enable_locks): Declare. * libio/Versions (_IO_enable_locks): New symbol. * libio/genops.c (_IO_enable_locks): Define. (_IO_old_init): Initialize flags2. * libio/feof.c.c (_IO_feof): Avoid locking when not needed. * libio/ferror.c (_IO_ferror): Likewise. * libio/fputc.c (fputc): Likewise. * libio/putc.c (_IO_putc): Likewise. * libio/getc.c (_IO_getc): Likewise. * libio/getchar.c (getchar): Likewise. * libio/ioungetc.c (_IO_ungetc): Likewise. * nptl/pthread_create.c (__pthread_create_2_1): Enable stdio locks. * libio/iofopncook.c (_IO_fopencookie): Enable locking for the file. * sysdeps/pthread/flockfile.c (__flockfile): Likewise.
* sysconf: Use conservative default for _SC_NPROCESSORS_ONLN [BZ #21542]Florian Weimer2017-07-041-0/+8
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* resolv: Fix resolv_conf _res matchingFlorian Weimer2017-07-041-0/+11
| | | | | | | | A dot-less host name without an /etc/resolv.conf file caused an assertion failure in update_from_conf because the function would not deal correctly with the empty search list case. Thanks to Andreas Schwab for debugging assistence.
* Update versions in build-many-glibcs.py.Joseph Myers2017-07-041-0/+6
| | | | | | | | | This patch updates build-many-glibcs.py to use the current release branch of binutils and current releases of GMP and the Linux kernel. * scripts/build-many-glibcs.py (Context.checkout): Default binutils version to 2.29 branch, GMP version to 6.1.2 and Linux kernel version to 4.12.
* resolv: Fix improper assert in __resolv_conf_attachFlorian Weimer2017-07-041-0/+9
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* resolv: Introduce free list for resolv_conf index slostsFlorian Weimer2017-07-031-0/+16
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* resolv: Automatically reload a changed /etc/resolv.conf file [BZ #984]Florian Weimer2017-07-031-0/+33
| | | | | | | | | | This commit enhances the stub resolver to reload the configuration in the per-thread _res object if the /etc/resolv.conf file has changed. The resolver checks whether the application has modified _res and will not overwrite the _res object in that case. The struct resolv_context mechanism is used to check the configuration file only once per name lookup.
* resolv: Mirror the entire resolver configuration in struct resolv_confFlorian Weimer2017-07-031-0/+36
| | | | | | | | | | | | | | This commit adds the remaining unchanging members (which are loaded from /etc/resolv.conf) to struct resolv_conf. The extended name server list is currently not used by the stub resolver. The switch depends on a cleanup: The _u._ext.nssocks array stores just a single socket, and needs to be replaced with a single socket value. (The compatibility gethostname implementation does not use the extended addres sort list, either. Updating the compat code is not worthwhile.)
* resolv: Lift domain search list limits [BZ #19569] [BZ #21475]Florian Weimer2017-07-031-0/+26
| | | | | | | This change uses the extended resolver state in struct resolv_conf to store the search list. If applications have not patched the _res object directly, this extended search list will be used by the stub resolver during name resolution.
* resolv: Introduce struct resolv_conf with extended resolver stateFlorian Weimer2017-07-031-0/+18
| | | | | | | | | | | | This change provides additional resolver configuration state which is not exposed through the _res ABI. It reuses the existing initstamp field in the supposedly-private part of _res. Some effort is undertaken to avoid memory safety issues introduced by applications which directly patch the _res object. With this commit, only the initstamp field is moved into struct resolv_conf. Additional members will be added later, eventually migrating the entire resolver configuration.
* resolv: Introduce struct resolv_context [BZ #21668]Florian Weimer2017-07-031-0/+85
| | | | | | | | | | | | struct resolv_context objects provide a temporary resolver context which does not change during a name lookup operation. Only when the outmost context is created, the stub resolver configuration is verified to be current (at present, only against previous res_init calls). Subsequent attempts to obtain the context will reuse the result of the initial verification operation. struct resolv_context can also be extended in the future to store data which needs to be deallocated during thread cancellation.
* resolv: Add preinit tests to resolv/tst-resolv-res_init-skeleton.cFlorian Weimer2017-07-031-0/+9
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* powerpc: Clean up strlen and strnlen for power8Rajalakshmi Srinivasaraghavan2017-07-031-0/+5
| | | | | To align a quadword aligned address to 64 bytes, maximum of three 16 bytes load is needed for worst case instead of loading four times.
* Use __builtin_popcount in __sched_cpucount [BZ #21696]H.J. Lu2017-07-011-0/+7
| | | | | | | | | | | | posix/sched_cpucount.c assumes that size of __cpu_mask == size of long, which is incorrect for x32. This patch uses __builtin_popcount, which is availabe in GCC 4.9, in posix/sched_cpucount.c. Tested on i686, x86-64 and x32 with multi-arch disabled. [BZ #21696] * posix/sched_cpucount.c: Don't include <limits.h>. (__sched_cpucount): Use __builtin_popcount.
* Fix typo in glibc.tune.cpu nameSiddhesh Poyarekar2017-07-011-0/+5
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* float128: Add signbit alternative for old compilersGabriel F. T. Gomes2017-06-301-0/+10
| | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | In math/math.h, __MATH_TG will expand signbit to __builtin_signbit*, e.g.: __builtin_signbitf128, before GCC 6. However, there has never been a __builtin_signbitf128 in GCC and the type-generic builtin is only available since GCC 6. For older GCC, this patch defines __builtin_signbitf128 to __signbitf128, so that the internal function is used instead of the non-existent builtin. This patch also changes the implementation of __signbitf128, because it was reusing the implementation of __signbitl from ldbl-128, which calls __builtin_signbitl. Using the long double version of the builtin is not correct on machines where _Float128 is ABI-distinct from long double (i.e.: ia64, powerpc64le, x86, x86_84). The new implementation does not rely on builtins when being built with GCC versions older than 6.0. The new code does not currently affect powerpc64le builds, because only GCC 6.2 fulfills the requirements from configure. It might affect powerpc64le builds if those requirements are backported to older versions of the compiler. The new code affects x86_64 builds, since glibc is supposed to build correctly with older versions of GCC. Tested for powerpc64le and x86_64. * include/math.h (__signbitf128): Define as hidden. * sysdeps/ieee754/float128/s_signbitf128.c (__signbitf128): Reimplement without builtins. * sysdeps/ia64/bits/floatn.h [!__GNUC_PREREQ (6, 0)] (__builtin_signbitf128): Define to __signbitf128. * sysdeps/powerpc/bits/floatn.h: Likewise. * sysdeps/x86/bits/floatn.h: Likewise.
* Consolidate Linux fcntl implementationAdhemerval Zanella2017-06-301-0/+20
| | | | | | | | | | | | | | | | | | | | | | | | | This patch consolidates the fcntl Linux syscall generation on sysdeps/unix/sysv/linux/fcntl.c. It basically removes all the architecture specific implementations. Checked on i686-linux-gnu, x86_64-linux-gnu, x86_64-linux-gnux32, aarch64-linux-gnu, arm-linux-gnueabihf, and powerpc64le-linux-gnu. * sysdeps/unix/sysv/linux/arm/fcntl.c: Remove file. * sysdeps/unix/sysv/linux/generic/wordsize-32/fcntl.c: Likewise. * sysdeps/unix/sysv/linux/hppa/fcntl.c: Likewise. * sysdeps/unix/sysv/linux/i386/fcntl.c: Likewise. * sysdeps/unix/sysv/linux/m68k/fcntl.c: Likewise. * sysdeps/unix/sysv/linux/microblaze/fcntl.c: Likewise. * sysdeps/unix/sysv/linux/mips/mips32/fcntl.c: Likewise. * sysdeps/unix/sysv/linux/mips/mips64/n32/fcntl.c: Likewise. * sysdeps/unix/sysv/linux/powerpc/powerpc32/fcntl.c: Likewise. * sysdeps/unix/sysv/linux/s390/s390-32/fcntl.c: Likewise. * sysdeps/unix/sysv/linux/sh/fcntl.c: Likewise. * sysdeps/unix/sysv/linux/sparc/sparc32/fcntl.c: Likewise. * sysdeps/unix/sysv/linux/fcntl.c: New file. * sysdeps/unix/sysv/linux/powerpc/powerpc64/fcntl.c: Refactor to use default implementation.
* tunables, aarch64: New tunable to override cpuSiddhesh Poyarekar2017-06-301-0/+11
| | | | | | | | | | | | | | | | | | | | Add a new tunable (glibc.tune.cpu) to override CPU identification on aarch64. This is useful in two cases: one where it is desirable to pretend to be another CPU for purposes of testing or because routines written for that CPU are beneficial for specific workloads and second where the underlying kernel does not support emulation of MRS to get the MIDR of the CPU. * elf/dl-tunables.h (tunable_is_name): Move from... * elf/dl-tunables.c (is_name): ... here. (parse_tunables, __tunables_init): Adjust. * manual/tunables.texi: Document glibc.tune.cpu. * sysdeps/aarch64/dl-tunables.list: New file. * sysdeps/unix/sysv/linux/aarch64/cpu-features.c (struct cpu_list): New type. (cpu_list): New list of CPU names and their MIDR. (get_midr_from_mcpu): New function. (init_cpu_features): Override MIDR if necessary.
* aarch64: Call all string function implementations in testsSiddhesh Poyarekar2017-06-301-0/+6
| | | | | | | | | | | The string function implementations implemented so far do not use any instructions that may deviate from standard aarch64, so it is possible for all routines to run on all armv8 hardware. Select all implementations in the benchmarks and tests. * sysdeps/aarch64/multiarch/ifunc-impl-list.c (__libc_ifunc_impl_list): Unconditionally select thunderx routine for testing.
* i386: Increase MALLOC_ALIGNMENT to 16 [BZ #21120]H.J. Lu2017-06-301-0/+8
| | | | | | | | | | | | | | | | | | | | | | | GCC 7 changed the definition of max_align_t on i386: https://gcc.gnu.org/git/?p=gcc.git;a=commitdiff;h=9b5c49ef97e63cc63f1ffa13baf771368105ebe2 As a result, glibc malloc no longer returns memory blocks which are as aligned as max_align_t requires. This causes malloc/tst-malloc-thread-fail to fail with an error like this one: error: allocation function 0, size 144 not aligned to 16 This patch moves the MALLOC_ALIGNMENT definition to <malloc-alignment.h> and increases the malloc alignment to 16 for i386. [BZ #21120] * malloc/malloc-internal.h (MALLOC_ALIGNMENT): Moved to ... * sysdeps/generic/malloc-alignment.h: Here. New file. * sysdeps/i386/malloc-alignment.h: Likewise. * sysdeps/generic/malloc-machine.h: Include <malloc-alignment.h>.
* resolv: Improve debugging output from tst-resolv-res_initFlorian Weimer2017-06-301-0/+6
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* resolv: Remove source argument fron res_optionsFlorian Weimer2017-06-301-0/+5
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* resolv: Remove DEBUG from resolv/res_query.cFlorian Weimer2017-06-301-0/+4
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* resolv: Reformat resolv/res_data.c to GNU styleFlorian Weimer2017-06-301-0/+5
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