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* Add _DEFAULT_SOURCE feature test macro.Joseph Myers2013-12-194-17/+79
| | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | This patch adds a feature test macro _DEFAULT_SOURCE to enable the default set of header declarations. The intention is: if _DEFAULT_SOURCE is not used there is no change to the set of __USE_* macros glibc defines; if it's used on its own, and without compiler options such as -std=c99 that define __STRICT_ANSI__, again, there is no change; if it's used together with the macros it approximately (i.e., apart from __USE_POSIX_IMPLICITLY) implies (-D_BSD_SOURCE -D_SVID_SOURCE -D_POSIX_C_SOURCE=200809L), again, there is no change. Otherwise, it causes the relevant features to be enabled, even if __STRICT_ANSI__, or another feature test macro, would cause them to be disabled. This macro deliberately bundles the POSIX.1-2008 (non-X/Open) functionality with the BSD/SVID/"misc" functionality, rather than defining a macro that gives just the latter, as many of the header cleanups resulting from removing _BSD_SOURCE and _SVID_SOURCE support are only possible when BSD/SVID/"misc" is always bundled with POSIX.1-2008. Tested x86_64. * include/features.h: Update comment documenting feature test macros. Mention _DEFAULT_SOURCE in comment. [_GNU_SOURCE] (_DEFAULT_SOURCE): Undefine and redefine. [_DEFAULT_SOURCE]: Undefine and redefine _DEFAULT_SOURCE, _BSD_SOURCE and _SVID_SOURCE. [!__STRICT_ANSI__ && !_ISOC99_SOURCE && !_POSIX_SOURCE && !_POSIX_C_SOURCE && !_XOPEN_SOURCE && !_BSD_SOURCE && !_SVID_SOURCE]: Likewise. [_DEFAULT_SOURCE && !_POSIX_SOURCE && !_POSIX_C_SOURCE] (__USE_POSIX_IMPLICITLY): Define. [_DEFAULT_SOURCE && !_POSIX_SOURCE && !_POSIX_C_SOURCE] (_POSIX_SOURCE): Undefine and redefine. [_DEFAULT_SOURCE && !_POSIX_SOURCE && !_POSIX_C_SOURCE] (_POSIX_C_SOURCE): Likewise. * manual/creature.texi (_DEFAULT_SOURCE): Document. (Feature Test Macros): Update documentation of default features.
* benchtests: Add strtok benchmarkRajalakshmi Srinivasaraghavan2013-12-193-1/+211
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* Stop partial menu generation in INSTALL fileAllan McRae2013-12-193-4/+11
| | | | | | | | | | The commit d136c6dc resulted in menu text for the "Top" node being added to the INSTALL file on regeneration. As the full menu is not displayed in the plain text file anyway, suppress the menu section completely to avoid the additional text. Also regenerate the INSTALL file to commit a small formatting change introduced in the same commit.
* Patch 2/4 of the effort to make TLS access async-signal-safe.Paul Pluzhnikov2013-12-184-16/+169
| | | | | | | | | | | | | | | | | Add a signal-safe malloc replacement. 2013-12-18 Andrew Hunter <ahh@google.com> * sysdeps/generic/ldsodefs.h (__signal_safe_memalign): New prototype. (__signal_safe_malloc, __signal_safe_free): Likewise. (__signal_safe_realloc, __signal_safe_calloc): Likewise. * elf/dl-misc.c (__signal_safe_allocator_header): New struct. (__signal_safe_memalign, __signal_safe_malloc): New function. (__signal_safe_free, __signal_safe_realloc): Likewise. (__signal_safe_calloc): Likewise. * elf/dl-tls.c (allocate_dtv, _dl_clear_dtv): Call signal-safe functions. (_dl_deallocate_tls, _dl_update_slotinfo): Likewise.
* Patch 3/4 of the effort to make TLS access async-signal-safe.Paul Pluzhnikov2013-12-185-5/+26
| | | | | | | | | | | Factor out _dl_clear_dtv. 2013-12-18 Andrew Hunter <ahh@google.com> * elf/Versions (ld): Add _dl_clear_dtv. * sysdeps/generic/ldsodefs.h (_dl_clear_dtv): New prototype. * elf/dl-tls.c (_dl_clear_dtv): New function. * nptl/allocatestack.c (get_cached_stack): Call _dl_clear_dtv.
* Patch [1/4] async-signal safe TLS.Paul Pluzhnikov2013-12-185-0/+73
| | | | | | | | | | | | | 2013-12-18 Andrew Hunter <ahh@google.com> * sysdeps/generic/ldsodefs.h (_dl_mask_all_signals): New prototype. (_dl_unmask_signals): Likewise. * sysdeps/mach/hurd/dl-sysdep.h (_dl_mask_all_signals): New stub. (_dl_unmask_all_signals): Likewise. * sysdeps/unix/sysv/linux/dl-sysdep.h (_dl_mask_all_signals): New prototype. (_dl_unmask_all_signals): Likewise. * sysdeps/unix/sysv/linux/dl-sysdep.c (_dl_mask_all_signals): New function. (_dl_unmask_signals): Likewise.
* Updated NEWS to mention resolution of bug 15846.Brooks Moses2013-12-181-7/+7
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* Add error reporting (via errno) to getauxval().Brooks Moses2013-12-185-5/+44
| | | | | | | | | | | | [BZ 15846] As discussed in the recent thread on my $EXEC_ORIGIN patch and in BZ 15846, getauxval() presently has no unambiguous way of reporting an error condition. It currently returns zero on error, but this may also be a valid result for some auxv entries. As there is no clear invalid result for all current and future auxv entries, this patch sets errno (following a suggestion in the BZ entry). This version of the patch also adds documentation and tests for the value-not-found conditions in getauxval().
* Move tests of jn and yn from libm-test.inc to auto-libm-test-in.Joseph Myers2013-12-187-108/+4038
| | | | | | | | | | | | | | | | | | | | | | | | | This patch moves tests of jn and yn to auto-libm-test-in, adding the required support for gen-auto-libm-tests (and adding a missing assertion there and fixing logic that was broken for functions with integer arguments). Tested x86_64 and x86 and ulps updated accordingly. * math/auto-libm-test-in: Add tests of jn and yn. * math/auto-libm-test-out: Regenerated. * math/libm-test.inc (jn_test_data): Use AUTO_TESTS_if_f. (yn_test_data): Likewise. * math/gen-auto-libm-tests.c (func_calc_method): Add value mpfr_if_f. (func_calc_desc): Add mpfr_if_f union field. (FUNC_mpfr_if_f): New macro. (test_functions): Add jn and yn. (calc_generic_results): Assert type of second input for mpfr_ff_f. Handle mpfr_if_f. (output_for_one_input_case): Disable all checking for arguments fitting floating-point types in case of an integer argument. * sysdeps/i386/fpu/libm-test-ulps: Update. * sysdeps/x86_64/fpu/libm-test-ulps: Likewise.
* Update powerpc-nofpu localplt.data for fegetround hidden_proto / hidden_def.Joseph Myers2013-12-182-1/+5
| | | | | | | | | | My recent changes that added libm_hidden_proto / libm_hidden_def for fegetround had the side effect of removing the need for a localplt.data entry for fegetround for powerpc-nofpu. This patch removes that entry. Tested powerpc-nofpu. * sysdeps/unix/sysv/linux/powerpc/powerpc32/nofpu/nptl/localplt.data: Don't expect fegetround reference in libm.so.
* Add missing deftp to fix commit 4d84e6addd62bdc256627af.Ondřej Bílka2013-12-181-0/+2
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* Compile e_sqrt.c with -ffp-contract=off.Marcus Shawcroft2013-12-182-0/+6
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* [AArch64] Save and restore q0-q7 on entry to dynamic linker.Marcus Shawcroft2013-12-183-15/+41
| | | | | [BZ #15128] Ensure all argument passing registers are saved and restored on entry to dynamic linker.
* Mark some hypot tests no-test-inline.Joseph Myers2013-12-183-634/+637
| | | | | | | As needed on x86. * math/auto-libm-test-in: Mark some hypot tests no-test-inline. * math/auto-libm-test-out: Regenerated.
* Fix ldbl-128 logl for subnormals (bug 16338).Joseph Myers2013-12-187-4/+821
| | | | | | | | | | | | | | | | | | | | | | This patch fixes bug 16338, ldbl-128 logl not handling subnormals (with consequent inaccuracy for lgammal as well). The fix is simply to use __frexpl when determining the exponent, as done already in log2l and log10l. Given the lack of testing of small arguments to any of the log* functions, appropriate tests are added for all of them. Tested x86_64 and x86 and ulps updated accordingly, and spot tests also run for mips64 to confirm the ldbl-128 fix. Note that while this fixes lgammal inaccuracy for small positive arguments, I suspect that there will still be problems with spurious underflows in that case. * sysdeps/ieee754/ldbl-128/e_logl.c (__ieee754_logl): Use __frexpl to determine exponent and adjust argument to have exponent of -1. * math/auto-libm-test-in: Add more tests of log, log10, log1p and log2. * math/auto-libm-test-out: Regenerated. * sysdeps/x86_64/fpu/libm-test-ulps: Update.
* Update documentation after dropping PER_THREAD conditional.Ondřej Bílka2013-12-182-34/+11
| | | | | In probes documentation we described what happens when PER_THREAD is disabled which is now not relevant.
* Remove use of SSE4.2 functions for strstr on i686Andreas Schwab2013-12-187-49/+11
| | | | | The SSE4.2 have been removed from x86_64 by commit 584b18eb. This patch fixes the build on i686, which attempts to use the removed files.
* Remove unused files from sysdeps/unix/bsd/bsd4.4/bits/.Joseph Myers2013-12-173-452/+5
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* Support TZ transition times < 00:00:00.Paul Eggert2013-12-174-3/+29
| | | | | | | | | | This is needed for version-3 tz-format files; it supports time stamps past 2037 for America/Godthab (the only entry in the tz database for which this change is relevant). * manual/time.texi (TZ Variable): Document transition times from -167:59:59 through -00:00:01. * time/tzset.c (tz_rule): Time of day is now signed. (__tzset_parse_tz): Parse negative time of day.
* Document TZ transition times >= 25:00:00.Paul Eggert2013-12-172-2/+30
| | | | | | * manual/time.texi (TZ Variable): Document transition times from 25:00:00 through 167:59:59. These are already supported, and this support will help with version-3 tz-format files.
* * manual/time.texi (TZ Variable): Modernize North America examplePaul Eggert2013-12-172-5/+9
| | | | to reflect current (i.e., 2007-and-later) daylight saving rules.
* * manual/time.texi (TZ Variable): POSIX.1 hour can be 24.Paul Eggert2013-12-172-1/+5
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* Remove various unused files from sysdeps/unix/bsd/.Joseph Myers2013-12-1728-1534/+28
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* Remove libbsd-compat dummy library.Joseph Myers2013-12-173-3/+6
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* Remove __FAVOR_BSD.Joseph Myers2013-12-1710-200/+115
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* [AArch64] Implement FUTEX_*_REQUEUE_PIMarcus Shawcroft2013-12-172-0/+40
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* Update powerpc-fpu ULPs.Adhemerval Zanella2013-12-172-2/+384
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* Fix dbl-64 hypot spurious underflows (bug 16314).Joseph Myers2013-12-175-753/+759
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* Fix hypot handling of subnormals (bug 16316, bug 16330).Joseph Myers2013-12-177-682/+1916
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* [AArch64] libm-test-ulps regenerated from scratch.Marcus Shawcroft2013-12-172-1926/+78
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* [AArch64] Back out sqrt() addition to libm-test-ulps.Marcus Shawcroft2013-12-172-20/+4
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* Make soft-float sh use soft-fp fma/fmaf.Kaz Kojima2013-12-175-0/+75
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* Clean up setjmp use in dl-error.c.Roland McGrath2013-12-162-32/+50
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* Move tests of atan2, hypot and pow from libm-test.inc to auto-libm-test-in.Joseph Myers2013-12-167-510/+43296
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* Add missing bug number to NEWS.Joseph Myers2013-12-161-11/+12
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* manual/memory.texi: Document aligned_alloc.Will Newton2013-12-162-16/+57
| | | | | | | | | | | | | | ChangeLog: 2013-12-16 Will Newton <will.newton@linaro.org> * manual/memory.texi (Malloc Examples): Mention aligned_alloc. (Aligned Memory Blocks): Add documentation for aligned_alloc and suggest it as an alternative to posix_memalign. (Hooks for Malloc): Document __memalign_hook is also called for aligned_alloc. (Summary of Malloc): Add summary for aligned alloc. Document __memalign_hook is also called for aligned_alloc.
* manual/memory.texi: Bring aligned allocation docs up to date.Will Newton2013-12-162-17/+58
| | | | | | | | | | | | | | | | | | | | | | | The current documentation suggests using memalign and valloc which are now considered obsolete, so suggest using posix_memalign instead. Also document the possible error return and errno values for memalign and posix_memalign and improve documentation of __memalign_hook. ChangeLog: 2013-12-16 Will Newton <will.newton@linaro.org> * manual/memory.texi (Malloc Examples): Clarify default alignment documentation. Suggest posix_memalign rather than memalign or valloc. (Aligned Memory Blocks): Remove suggestion to use memalign or valloc. Remove obsolete comment about BSD. Document memalign errno values and mark the function obsolete. Document posix_memalign returned error codes. Mark valloc as obsolete. (Hooks for Malloc): __memalign_hook is also called for posix_memalign and valloc. (Summary of Malloc): Add posix_memalign to function summary. __memalign_hook is also called for posix_memalign and valloc.
* Minor code cleanup in s_sin.cSiddhesh Poyarekar2013-12-162-20/+23
| | | | | | | - Remove redundant mynumber union definitions - Clean up a clumsy ternary operator - Rename TAYLOR_SINCOS to TAYLOR_SIN since we're only expanding the sin Taylor series in it.
* Set AUTOCONF variable when maintainer-mode is not usedAllan McRae2013-12-163-0/+7
| | | | | Fixes build issue introduced in 8894bad3 when configure.ac is altered and maintainer-mode is not enabled.
* Update file name in x86_64 ifunc listAllan McRae2013-12-162-1/+3
| | | | File name update missed in commit 584b18eb.
* Add --enable-maintainer-mode configure optionAllan McRae2013-12-163-32/+59
| | | | | | | | | Autoconf is tested for and run if needed only when --enable-maintainer-mode is used on configure. This results in the autom4te.cache directory only being written in the source directory during configure if automatic autoconf usage is requested. Fixes BZ #14120.
* Add systemd unit file for nscdAllan McRae2013-12-163-0/+27
| | | | Provide an example systemd unit and tmpfile for running nscd.
* Add strstr with unaligned loads. Fixes bug 12100.Ondřej Bílka2013-12-1410-506/+441
| | | | | | | | | | A sse42 version of strstr used pcmpistr instruction which is quite ineffective. A faster way is look for pairs of characters which is uses sse2, is faster than pcmpistr and for real strings a pairs we look for are relatively rare. For linear time complexity we use buy or rent technique which switches to two-way algorithm when superlinear behaviour is detected.
* Move sysdeps/sh/sh4/fpu/bits/fenv.h to sysdeps/sh/bits/.Kaz Kojima2013-12-142-0/+6
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* PowerPC: Update NEWS with ppc64 STT_GNU_IFUNC supportAdhemerval Zanella2013-12-132-1/+5
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* PowerPC: multiarch hypot/hypotf for PowerPC64Adhemerval Zanella2013-12-138-1/+171
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* PowerPC: multiarch modf/modff for PowerPC64Adhemerval Zanella2013-12-138-2/+186
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* PowerPC: multiarch logb/logbl/logbf for PowerPC64Adhemerval Zanella2013-12-1311-1/+261
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* PowerPC: multiarch isinf/isinff for PowerPC64Adhemerval Zanella2013-12-137-2/+192
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* PowerPC: multiarch finite/finitef for PowerPC64Adhemerval Zanella2013-12-137-2/+200
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