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* [PATCH 1/6] Split x86_64 out of main Linux kernel-features.h.Joseph Myers2014-07-172-9/+42
| | | | | | | | | | | | | | | | | This patch splits x86_64 out of the main Linux kernel-features.h. Tested x86_64 that there are no changes to disassembly of installed shared libraries. * sysdeps/unix/sysv/linux/x86_64/kernel-features.h: New file. * sysdeps/unix/sysv/linux/kernel-features.h [__x86_64__] (__ASSUME_ACCEPT4_SYSCALL): Do not define. [__LINUX_KERNEL_VERSION >= 0x020621 && __x86_64__] (__ASSUME_RECVMMSG_SYSCALL): Likewise. [__LINUX_KERNEL_VERSION >= 0x030000 && __x86_64__] (__ASSUME_SENDMMSG_SYSCALL): Likewise. [__x86_64__ && __LINUX_KERNEL_VERSION >= 0x030100] (__ASSUME_GETCPU_SYSCALL): Likewise.
* Refactor handling of /lib64 etc. cases, move out of sysdeps/gnu/configure.ac.Joseph Myers2014-07-1716-132/+149
| | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | This patch continues removing architecture-specific cases from non-architecture-specific files by moving the logic to use directories such as /lib64 out of sysdeps/gnu/configure.ac. A new macro LIBC_SLIBDIR_RTLDDIR is created that sysdeps configure scripts can use to declare the library directories to be used; the logic was previously duplicated in configure fragments for aarch64, mips and x32 as well as in sysdeps/gnu/configure.ac. This macro is used directly in sysdeps/gnu/configure.ac only to provide the /lib default (the logic saying that with --prefix=/usr shared libraries go in /lib not /usr/lib); the architecture cases formerly there are moved into various new or existing configure.ac files. The new macro is also used in the various architecture fragments that already had such logic. In the x32 there was previously a configure fragment, but it was a directly written one without a .ac file; now a .ac file is used there instead to generate configure. Tested x86_64 that the installed shared libraries, and the directory structure of the installation, are unchanged by this patch. There is an old bug report - bug 6441 - about library directories changing after reconfiguring. If this is still applicable - and I haven't attempted to confirm it or review the old patch pointed to in that bug - then this patch should reduce the number of places needing changing in any fix. * aclocal.m4 (LIBC_SLIBDIR_RTLDDIR): New macro. * sysdeps/gnu/configure.ac: Use LIBC_SLIBDIR_RTLDDIR. Remove cases for individual architectures. * sysdeps/gnu/configure: Regenerated. * sysdeps/unix/sysv/linux/aarch64/configure.ac: Use LIBC_SLIBDIR_RTLDDIR. * sysdeps/unix/sysv/linux/aarch64/configure: Regenerated. * sysdeps/unix/sysv/linux/mips/configure.ac: Use LIBC_SLIBDIR_RTLDDIR. * sysdeps/unix/sysv/linux/mips/configure: Regenerated. * sysdeps/unix/sysv/linux/powerpc/powerpc64/configure.ac: Use LIBC_SLIBDIR_RTLDDIR. * sysdeps/unix/sysv/linux/powerpc/powerpc64/configure: Regenerated. * sysdeps/unix/sysv/linux/s390/s390-64/configure.ac: New file. * sysdeps/unix/sysv/linux/s390/s390-64/configure: New generated file. * sysdeps/unix/sysv/linux/sparc/sparc64/configure.ac: New file. * sysdeps/unix/sysv/linux/sparc/sparc64/configure: New generated file. * sysdeps/unix/sysv/linux/x86_64/64/configure.ac: New file. * sysdeps/unix/sysv/linux/x86_64/64/configure: New generated file. * sysdeps/unix/sysv/linux/x86_64/x32/configure.ac: New file. * sysdeps/unix/sysv/linux/x86_64/x32/configure: Generate.
* Move architecture shlib-versions files to Linux-specific directories.Joseph Myers2014-07-1717-17/+15
| | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | Various architectures have files such as sysdeps/<arch>/shlib-versions whose contents are in fact entirely Linux-specific, relating only to the symbol / shared library versions for the port to Linux on that architecture, when any future port to a different OS on that architecture would use the symbol version of the glibc release it goes in, as standard for new ports. This patch moves such files under sysdeps/unix/sysv/linux/, merging in the contents of sysdeps/<arch>/nptl/shlib-versions in the process. The only bits not moved are those relating to libgcc_s versions, which don't appear OS-specific in the same way that glibc's symbol versions so. It deliberately does not change the regular expressions given for matching configurations in each file; some match only Linux although not Linux-specific, or match other OSes although Linux-specific. It is with a view to at least the following further cleanups: * Move architecture-specific content from the toplevel shlib-versions and nptl/shlib-versions into sysdeps shlib-versions files, so eliminating another difference between ex-ports and non-ex-ports architectures. * Likewise, for OS-specific content in shlib-versions files. * At that point, the first field in shlib-versions files (the regular expression matching a configuration triplet) should be redundant, so eliminate that field and leave shlib-versions selection working purely on a sysdeps basis (with limited use of %ifdef in shlib-versions files when needed) rather than having its own separate mechanism to select what configuration information is relevant. * Move the build of gnu/lib-names.h to a similar mechanism to that used for gnu/stubs.h (each library build installing a version of the header specifically for that build), so we can eliminate the duplication of soname information in the makefiles and get it purely from shlib-versions files again. There may be other cleanups possible as well (in particular, I'm not sure that all cases where the same "Earliest symbol set" information is repeated for many different libraries actually should need to repeat it rather than specifying it just once for DEFAULT for the given configuration, and separately specifying any non-default choices of soname). Tested x86_64 that the installed shared libraries are unchanged by this patch. * sysdeps/aarch64/shlib-versions: Move to ... * sysdeps/unix/sysv/linux/aarch64/shlib-versions: ... here. * sysdeps/alpha/shlib-versions: Move to ... * sysdeps/unix/sysv/linux/alpha/shlib-versions: ... here. * sysdeps/arm/shlib-versions: Move to ... * sysdeps/unix/sysv/linux/arm/shlib-versions: ... here. * sysdeps/hppa/shlib-versions: Move all contents except for libgcc_s entry to ... * sysdeps/unix/sysv/linux/hppa/shlib-versions: ... here. Merge in entry from ... * sysdeps/hppa/nptl/shlib-versions: ... here. Remove file. * sysdeps/ia64/shlib-versions: Move to ... * sysdeps/unix/sysv/linux/ia64/shlib-versions: ... here. Merge in entry from ... * sysdeps/ia64/nptl/shlib-versions: ... here. Remove file. * sysdeps/m68k/coldfire/shlib-versions: Move to ... * sysdeps/unix/sysv/linux/m68k/coldfire/shlib-versions: ... here. * sysdeps/microblaze/shlib-versions: Move to ... * sysdeps/unix/sysv/linux/microblaze/shlib-versions: ... here. * sysdeps/mips/shlib-versions: Move to ... * sysdeps/unix/sysv/linux/mips/shlib-versions: ... here. Merge in entry from ... * sysdeps/mips/nptl/shlib-versions: ... here. Remove file. * sysdeps/tile/shlib-versions: Move to ... * sysdeps/unix/sysv/linux/tile/shlib-versions: ... here. * sysdeps/unix/sysv/linux/x86_64/64/shlib-versions: Merge in entry from ... * sysdeps/x86_64/64/shlib-versions: ... here. Remove file. * sysdeps/unix/sysv/linux/x86_64/x32/shlib-versions: Merge in entry from ... * sysdeps/x86_64/x32/shlib-versions: ... here. Remove file.
* ARM: Fix compiler warnings from atomic.hWill Newton2014-07-171-3/+3
| | | | | | | | | | | | | | | | __arch_compare_and_exchange_bool_*_int return a boolean so in the dummy implementations for 8, 16 and 64 bits return zero rather than oldval. Zero is used rather than TRUE or FALSE to avoid needing to including any headers for these dummy functions. ChangeLog: 2014-07-17 Will Newton <will.newton@linaro.org> * sysdeps/arm/bits/atomic.h (__arch_compare_and_exchange_bool_8_int): Evaluate to zero. (__arch_compare_and_exchange_bool_16_int): Likewise. (__arch_compare_and_exchange_bool_64_int): Likewise.
* ARM: Clean up EABI-related configuryRoland McGrath2014-07-166-53/+62
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* Separate Linuxisms from lowlevellock.h, make a generic oneRoland McGrath2014-07-153-0/+410
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* Enable AVX2 optimized memset only if -mavx2 worksH.J. Lu2014-07-148-14/+91
| | | | | | | | | | | | | | | | | * config.h.in (HAVE_AVX2_SUPPORT): New #undef. * sysdeps/i386/configure.ac: Set HAVE_AVX2_SUPPORT and config-cflags-avx2. * sysdeps/x86_64/configure.ac: Likewise. * sysdeps/i386/configure: Regenerated. * sysdeps/x86_64/configure: Likewise. * sysdeps/x86_64/multiarch/Makefile (sysdep_routines): Add memset-avx2 only if config-cflags-avx2 is yes. * sysdeps/x86_64/multiarch/ifunc-impl-list.c (__libc_ifunc_impl_list): Tests for memset_chk and memset only if HAVE_AVX2_SUPPORT is defined. * sysdeps/x86_64/multiarch/memset.S: Define multiple versions only if HAVE_AVX2_SUPPORT is defined. * sysdeps/x86_64/multiarch/memset_chk.S: Likewise.
* m68k: update libm test ULPsAndreas Schwab2014-07-131-16/+88
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* aarch64: Update libm-test-ulpsRichard Henderson2014-07-111-6/+120
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* PowerPC: Fix build due missing lll_robust_trylockAdhemerval Zanella2014-07-101-2/+17
| | | | | | | Commit 887865f remove the lll_robust_trylock definition on all architectures, however for powerpc both __lll_trylock and __lll_cond_trylock were based on lll_robust_trylock definition. This patch restore it with a different name.
* Get rid of lll_robust_dead.Roland McGrath2014-07-1015-157/+0
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* Get rid of lll_robust_trylock.Roland McGrath2014-07-1015-137/+0
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* Fix crash when system has no ipv6 address [BZ #17125]Siddhesh Poyarekar2014-07-101-1/+7
| | | | | | | | | | | Here's an updated patch to fix the crash in bug-ga2 when the system has no configured ipv6 address. I have taken a different approach of using libc_freeres_fn instead of the libc_freeres_ptr since the former gives better control over what is freed; we need that since cache may or may not be allocated using malloc. Verified that bug-ga2 works correctly in both cases and does not have memory leaks in either of them.
* Get rid of sparc specific NPTL internaltypes.h header.David S. Miller2014-07-0912-8/+12
| | | | | | | | | | | | | | | | * sysdeps/sparc/nptl/internaltypes.h: Delete. * sysdeps/sparc/nptl/sparc-nptl.h: New file. * sysdeps/sparc/nptl/pthread_barrier_destroy.c: Include it. * sysdeps/sparc/nptl/pthread_barrier_init.c: Likewise. * sysdeps/sparc/nptl/pthread_barrier_wait.c: Likewise. * sysdeps/sparc/nptl/sem_init.c: Likewise. * sysdeps/sparc/nptl/sem_post.c: Likewise. * sysdeps/sparc/nptl/sem_timedwait.c: Likewise. * sysdeps/sparc/nptl/sem_wait.c: Likewise. * sysdeps/sparc/sparc32/nptl/pthread_barrier_wait.c: Likewise. * sysdeps/sparc/sparc32/nptl/sem_post.c: Likewise. * sysdeps/sparc/sparc32/nptl/sem_timedwait.c: Likewise. * sysdeps/sparc/sparc32/nptl/sem_wait.c: Likewise.
* Update sparc ULPS.David S. Miller2014-07-091-6/+96
| | | | * sysdeps/sparc/fpu/libm-test-ulps: Update.
* Fix missing newline in test outputAndreas Schwab2014-07-092-2/+2
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* Update i386 libm test ULPsAndreas Schwab2014-07-091-8/+32
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* Fix -Wundef warnings for SHAREDWill Newton2014-07-095-5/+5
| | | | | | | | | | | | | | | | | The definition of SHARED is tested with #ifdef pretty much everywhere apart from these few places. The tlsdesc.c code seems to be copy and pasted to a few architectures and there is one instance in the hppa startup code. ChangeLog: 2014-07-09 Will Newton <will.newton@linaro.org> * sysdeps/aarch64/tlsdesc.c (_dl_unmap): Test SHARED with #ifdef. * sysdeps/arm/tlsdesc.c (_dl_unmap): Likewise. * sysdeps/i386/tlsdesc.c (_dl_unmap): Likewise. * sysdeps/x86_64/tlsdesc.c (_dl_unmap): Likewise. * sysdeps/hppa/start.S (_start): Likewise.
* Fix Wundef warning for __cplusplusSiddhesh Poyarekar2014-07-091-1/+1
| | | | | All current uses of the __cplusplus macro only check if it is defined or not. Fix this #if to use $ifdef like the rest of the code.
* Fix Wundef warning for ELF_MACHINE_NO_REL on i386Siddhesh Poyarekar2014-07-081-0/+1
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* PowerPC: Cleanup powerpc memmoveAdhemerval Zanella2014-07-085-25/+5
| | | | | | | Now that MEMCPY_OK_FOR_FWD_MEMMOVE should be define on memcopy.h there is no need to specialized powerpc memmove implementation. This patch moves the define set to powerpc memcopy and cleanup its definition on powerpc code.
* PowerPC: Fix compiler warningsAdhemerval Zanella2014-07-083-3/+5
| | | | | This patch fixes some compiler due trailing data in #undef directives and due missing prototypes.
* PowerPC: Add ifunc tests for memmoveAdhemerval Zanella2014-07-081-0/+6
| | | | | This patch add the missing ifunc tests definition for memmove ppc32 optimization patch (commit 07aedd7).
* PowerPC: Align power7 memcpy using VSX to quadwordAdhemerval Zanella2014-07-072-20/+6
| | | | | | This patch changes power7 memcpy to use VSX instructions only when memory is aligned to quardword. It is to avoid unaligned kernel traps on non-cacheable memory (for instance, memory-mapped I/O).
* PowerPC: optimized memmove for POWER7/PPC32Adhemerval Zanella2014-07-074-1/+100
| | | | | This patch adds a optimized memmove for power7 by using the optimized power7 memcpy for forward copying.
* PowerPC: optimized memmove for POWER7/PPC64Adhemerval Zanella2014-07-079-1/+1016
| | | | | | | | | | | This patch adds an optimized memmove optimization for POWER7/powerpc64. Basically the idea is to use the memcpy for POWER7 on non-overlapped memory regions and a optimized backward memcpy for memory regions that overlap (similar to the idea of string/memmove.c). The backward memcpy algorithm used is similar the one use for memcpy for POWER7, with adjustments done for alignment. The difference is memory is always aligned to 16 bytes before using VSX/altivec instructions.
* PowerPC: memmove default implementation cleanupAdhemerval Zanella2014-07-071-97/+2
| | | | | | | | This patch removes the powerpc specific logic in memmove and instead include default implementation with MEMCPY_OK_FOR_FWD_MEMMOVE defined. This lead in a increase performance, since the constraints to use memcpy in powerpc code are too restrictive and memcpy can be used for any forward memmove.
* PowerPC: Guard CALL_ELF check for ppc64 only in link.hAdhemerval Zanella2014-07-071-2/+4
| | | | | This patch fixes powerpc32 undef compiler warnings for _CALL_ELF, since it is defined only for powerpc64.
* Remove old stub lowlevellock.h file. It is not even useful as documentation.Roland McGrath2014-07-071-83/+0
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* NPTL is no longer an add-on!Roland McGrath2014-07-0727-60/+217
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* Get rid of nptl/sysdeps/ entirely!Roland McGrath2014-07-0746-122/+2408
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* Add comment for MEMCPY_OK_FOR_FWD_MEMMOVESiddhesh Poyarekar2014-07-051-0/+3
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* ARM: Define ELF_MACHINE_NO_RELWill Newton2014-07-041-0/+1
| | | | | | | | | | Fix a -Wundef warning on ARM. ChangeLog: 2014-07-04 Will Newton <will.newton@linaro.org> * sysdeps/arm/dl-machine.h (ELF_MACHINE_NO_REL): Define.
* Fix ia64 build error in lll_futex_timed_wait_bitsetRoland McGrath2014-07-031-1/+1
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* Fix unwind.h configure check for bare environment.Roland McGrath2014-07-032-2/+14
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* Add missing #include in sysdeps/alpha/fpu/s_nearbyint.cRoland McGrath2014-07-031-1/+3
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* Robustify Linux kernel headers configure checksRoland McGrath2014-07-032-153/+32
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* S390: Quash unused variable warning due to no-op THREAD_SET_POINTER_GUARD.Roland McGrath2014-07-031-1/+1
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* Restore subdir conditional for tst-timer dependency.Siddhesh Poyarekar2014-07-031-0/+4
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* alpha: Remove nearbyint and nearbyintf implementationsRichard Henderson2014-07-032-72/+1
| | | | | | | | | | The original implementation was written for EV5, which does not record inexact in the status register for /SU (but no /I) insns. But EV6 does record the inexact status; the lack of /I simply means that the exception is suppressed. Adding feholdexcept becomes the bulk of the overhead, so we might as well use the default implementation.
* alpha: Implement math_opt_barrier and math_force_evalRichard Henderson2014-07-031-0/+6
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* alpha: Fix lround implementationsRichard Henderson2014-07-032-8/+8
| | | | Use chopped rounding to add 0.5.
* alpha: Remove round and roundf implementationsRichard Henderson2014-07-032-91/+0
| | | | | | | Two bugs in these implementations: First is that the add of 0.5 was not done in chopped rounding mode (easily fixable). Second is that the method generates incorrect inexact exceptions for small integral values (not easily fixable).
* Rely on HP_TIMING_AVAIL implies HP_SMALL_TIMING_AVAILRichard Henderson2014-07-031-1/+1
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* Always provide HP_SMALL_TIMING_AVAILRichard Henderson2014-07-039-0/+9
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* aarch64: Add hp-timing.hRichard Henderson2014-07-031-0/+37
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* Unify hp-timing implementationsRichard Henderson2014-07-0310-344/+82
| | | | Provide an hp-timing-common.h for ports to use.
* Remove HP_TIMING_DIFF_INIT and dl_hp_timing_overheadRichard Henderson2014-07-0322-299/+0
| | | | | Without HP_TIMING_ACCUM, dl_hp_timing_overhead is write-only. If we remove it, there's no point in HP_TIMING_DIFF_INIT either.
* Removing HP_TIMING_ACCUM as unusedRichard Henderson2014-07-039-145/+12
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* Removing HP_TIMING_ZERO as unusedRichard Henderson2014-07-038-33/+0
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