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2015-08-24Don't fall back to mmap if the original arena is not corruptsiddhesh/mmap-fallbackJosef Bacik
The new logic to find an uncontended non-corrupt arena misses a case where the current arena is contended, but is not corrupt. In the degenerate case, this is the only arena. In both cases, the logic falls back to using mmap despite there being an available arena. Attached patch by Josef Bacik makes sure that all arenas are indeed corrupt before falling back to malloc. Verified on x86_64 that the testsuite does not regress. * malloc/arena.c (reused_arena): return NULL only if all arenas are corrupt.
2015-08-24Don't use the main arena in retry path if it is corruptSiddhesh Poyarekar
If allocation on a non-main arena fails, the main arena is used without checking to see if it is corrupt. Add a check that avoids the main arena if it is corrupt. * malloc/arena.c (arena_get_retry): Don't use main_arena if it is corrupt.
2015-08-24Drop unused first argument from arena_get2Siddhesh Poyarekar
The arena pointer in the first argument to arena_get2 was used in the old days before per-thread arenas. They're unused now and hence can be dropped. ChangeLog: * malloc/arena.c (arena_get2): Drop unused argument. (arena_lock): Adjust. (arena_get_retry): Likewise.
2015-08-24Remove __ASSUME_IPC64Andreas Schwab
PowerPC has always used __IPC_64 like most other architectures, which means that __ASSUME_IPC64 can be always true. Also, all other architecture implementations that use the ipc syscall are effectively identical to the generic version and can be removed.
2015-08-21manual: skip build when perl is unavailableMike Frysinger
Do not try to generate the manual when perl is unavailable. This matches the behavior when makeinfo is unavailable. Otherwise the install step fails when trying to generate the libm section since it runs a perl script.
2015-08-21powerpc: Fix memchr for powerpc32.Carlos Eduardo Seo
Fix a wrong #undef in memchr.c. * sysdeps/powerpc/powerpc32/power4/multiarch/memchr.c: Replace '#undef memcpy' by '#undef memchr'.
2015-08-21powerpc: make memchr use memchr-power7.Carlos Eduardo Seo
In powerpc64, memchr was always pointing to the internal __GI_memchr implementation. This patch fixes that and makes it use the optimized POWER7 version when adequate. * sysdeps/powerpc/powerpc64/multiarch/memchr-ppc64.c: Make memchr not point to the internal __GI_memchr implementation.
2015-08-21Revert "Add INLINE_SYSCALL_RETURN/INLINE_SYSCALL_ERROR_RETURN"H.J. Lu
This reverts commit 0c5b8b5941e036dcaac69cecee9f01fdf9218e6e.
2015-08-21Revert "Fix a typo in linux lxstat.c"H.J. Lu
This reverts commit e4ad5e722cec9a274cd84585d9c33f696e36f847.
2015-08-21Fix a typo in linux lxstat.cH.J. Lu
* sysdeps/unix/sysv/linux/lxstat.c (__lxstat): Fix a typo.
2015-08-21Add INLINE_SYSCALL_RETURN/INLINE_SYSCALL_ERROR_RETURNH.J. Lu
For ia32 PIC, the first thing of many syscalls does is to call __x86.get_pc_thunk.reg to load PC into reg in case there is an error, which is required for setting errno. In most cases, there are no errors. But we still call __x86.get_pc_thunk.reg. This patch adds INLINE_SYSCALL_RETURN and INLINE_SYSCALL_ERROR_RETURN so that i386 can optimize setting errno by branching to the internal __syscall_error without PLT. INLINE_SYSCALL_ERROR_RETURN is designed to take the negative error number returned from the majority of Linux kernels for which negating is a no-op with INTERNAL_SYSCALL_ERRNO. With i386 INLINE_SYSCALL_RETURN, INLINE_SYSCALL_ERROR_RETURN and i386 syscall inlining optimization for GCC 5, for sysdeps/unix/sysv/linux/fchmodat.c with -O2 -march=i686 -mtune=generic, GCC 5.2 now generates: <fchmodat>: 0: push %ebx 1: mov 0x14(%esp),%eax 5: mov 0x8(%esp),%ebx 9: mov 0xc(%esp),%ecx d: mov 0x10(%esp),%edx 11: test $0xfffffeff,%eax 16: jne 38 <fchmodat+0x38> 18: test $0x1,%ah 1b: jne 48 <fchmodat+0x48> 1d: mov $0x132,%eax 22: call *%gs:0x10 29: cmp $0xfffff000,%eax 2e: ja 58 <fchmodat+0x58> 30: pop %ebx 31: ret 32: lea 0x0(%esi),%esi 38: pop %ebx 39: mov $0xffffffea,%eax 3e: jmp 3f <fchmodat+0x3f> 3f: R_386_PC32 __syscall_error 43: nop 44: lea 0x0(%esi,%eiz,1),%esi 48: pop %ebx 49: mov $0xffffffa1,%eax 4e: jmp 4f <fchmodat+0x4f> 4f: R_386_PC32 __syscall_error 53: nop 54: lea 0x0(%esi,%eiz,1),%esi 58: pop %ebx 59: jmp 5a <fchmodat+0x5a> 5a: R_386_PC32 __syscall_error instead of <fchmodat>: 0: sub $0x8,%esp 3: mov 0x18(%esp),%eax 7: mov %ebx,(%esp) a: call b <fchmodat+0xb> b: R_386_PC32 __x86.get_pc_thunk.bx f: add $0x2,%ebx 11: R_386_GOTPC _GLOBAL_OFFSET_TABLE_ 15: mov %edi,0x4(%esp) 19: test $0xfffffeff,%eax 1e: jne 70 <fchmodat+0x70> 20: test $0x1,%ah 23: jne 88 <fchmodat+0x88> 25: mov 0x14(%esp),%edx 29: mov 0x10(%esp),%ecx 2d: mov 0xc(%esp),%edi 31: xchg %ebx,%edi 33: mov $0x132,%eax 38: call *%gs:0x10 3f: xchg %edi,%ebx 41: cmp $0xfffff000,%eax 46: ja 58 <fchmodat+0x58> 48: mov (%esp),%ebx 4b: mov 0x4(%esp),%edi 4f: add $0x8,%esp 52: ret 53: nop 54: lea 0x0(%esi,%eiz,1),%esi 58: mov 0x0(%ebx),%edx 5a: R_386_TLS_GOTIE __libc_errno 5e: neg %eax 60: mov %eax,%gs:(%edx) 63: mov $0xffffffff,%eax 68: jmp 48 <fchmodat+0x48> 6a: lea 0x0(%esi),%esi 70: mov 0x0(%ebx),%eax 72: R_386_TLS_GOTIE __libc_errno 76: movl $0x16,%gs:(%eax) 7d: mov $0xffffffff,%eax 82: jmp 48 <fchmodat+0x48> 84: lea 0x0(%esi,%eiz,1),%esi 88: mov 0x0(%ebx),%eax 8a: R_386_TLS_GOTIE __libc_errno 8e: movl $0x5f,%gs:(%eax) 95: mov $0xffffffff,%eax 9a: jmp 48 <fchmodat+0x48> * sysdeps/unix/sysdep.h (INLINE_SYSCALL_RETURN): New. (INLINE_SYSCALL_ERROR_RETURN): Likewise. * sysdeps/unix/sysv/linux/adjtime.c (ADJTIME): Use INLINE_SYSCALL_RETURN and INLINE_SYSCALL_ERROR_RETURN. * sysdeps/unix/sysv/linux/aio_sigqueue.c (__aio_sigqueue): Likewise. * sysdeps/unix/sysv/linux/dl-openat64.c (openat64): Likewise. * sysdeps/unix/sysv/linux/eventfd.c (eventfd): Likewise. * sysdeps/unix/sysv/linux/faccessat.c (faccessat): Likewise. * sysdeps/unix/sysv/linux/fchmodat.c (fchmodat): Likewise. * sysdeps/unix/sysv/linux/fcntl.c (do_fcntl): Likewise. * sysdeps/unix/sysv/linux/fstatfs64.c (__fstatfs64): Likewise. * sysdeps/unix/sysv/linux/ftruncate64.c (__ftruncate64): Likewise. * sysdeps/unix/sysv/linux/futimens.c (futimens): Likewise. * sysdeps/unix/sysv/linux/futimes.c (__futimes): Likewise. * sysdeps/unix/sysv/linux/futimesat.c (futimesat): Likewise. * sysdeps/unix/sysv/linux/fxstat.c (__fxstat): Likewise. * sysdeps/unix/sysv/linux/fxstat64.c (___fxstat64): Likewise. * sysdeps/unix/sysv/linux/fxstatat.c (__fxstatat): Likewise. * sysdeps/unix/sysv/linux/fxstatat64.c (__fxstatat64): Likewise. * sysdeps/unix/sysv/linux/gai_sigqueue.c (__gai_sigqueue): Likewise. * sysdeps/unix/sysv/linux/getpriority.c (__getpriority): Likewise. * sysdeps/unix/sysv/linux/getrlimit64.c (__getrlimit64): Likewise. * sysdeps/unix/sysv/linux/llseek.c (__llseek): Likewise. * sysdeps/unix/sysv/linux/lutimes.c (lutimes): Likewise. * sysdeps/unix/sysv/linux/lxstat.c (__lxstat): Likewise. * sysdeps/unix/sysv/linux/lxstat64.c (___lxstat64): Likewise. * sysdeps/unix/sysv/linux/mmap64.c (__mmap64): Likewise. * sysdeps/unix/sysv/linux/mq_close.c (mq_close): Likewise. * sysdeps/unix/sysv/linux/mq_open.c (__mq_open): Likewise. * sysdeps/unix/sysv/linux/mq_unlink.c (mq_unlink): Likewise. * sysdeps/unix/sysv/linux/msgget.c (msgget): Likewise. * sysdeps/unix/sysv/linux/prlimit.c (prlimit): Likewise. * sysdeps/unix/sysv/linux/pt-raise.c (raise): Likewise. * sysdeps/unix/sysv/linux/raise.c (raise): Likewise. * sysdeps/unix/sysv/linux/readahead.c (__readahead): Likewise. * sysdeps/unix/sysv/linux/reboot.c (reboot): Likewise. * sysdeps/unix/sysv/linux/semget.c (semget): Likewise. * sysdeps/unix/sysv/linux/semop.c (semop): Likewise. * sysdeps/unix/sysv/linux/semtimedop.c (semtimedop): Likewise. * sysdeps/unix/sysv/linux/setrlimit64.c (setrlimit64): Likewise. * sysdeps/unix/sysv/linux/shmat.c (shmat): Likewise. * sysdeps/unix/sysv/linux/shmdt.c (shmdt): Likewise. * sysdeps/unix/sysv/linux/shmget.c (shmget): Likewise. * sysdeps/unix/sysv/linux/signalfd.c (signalfd): Likewise. * sysdeps/unix/sysv/linux/sigpending.c (sigpending): Likewise. * sysdeps/unix/sysv/linux/sigprocmask.c ( __sigprocmask): Likewise. * sysdeps/unix/sysv/linux/sigqueue.c (__sigqueue): Likewise. * sysdeps/unix/sysv/linux/speed.c (cfsetospeed): Likewise. * sysdeps/unix/sysv/linux/statfs64.c (__statfs64): Likewise. * sysdeps/unix/sysv/linux/sysctl.c (__sysctl): Likewise. * sysdeps/unix/sysv/linux/tcsendbrk.c (tcsendbreak): Likewise. * sysdeps/unix/sysv/linux/tcsetattr.c (tcsetattr): Likewise. * sysdeps/unix/sysv/linux/timer_getoverr.c (timer_getoverrun): Likewise. * sysdeps/unix/sysv/linux/timer_gettime.c (timer_gettime): Likewise. * sysdeps/unix/sysv/linux/timer_settime.c (timer_settime): Likewise. * sysdeps/unix/sysv/linux/truncate64.c (truncate64): Likewise. * sysdeps/unix/sysv/linux/ustat.c (ustat): Likewise. * sysdeps/unix/sysv/linux/utimensat.c (utimensat): Likewise. * sysdeps/unix/sysv/linux/utimes.c (__utimes): Likewise. * sysdeps/unix/sysv/linux/xmknod.c (__xmknod): Likewise. * sysdeps/unix/sysv/linux/xmknodat.c (__xmknodat): Likewise. * sysdeps/unix/sysv/linux/xstat.c (__xstat): Likewise. * sysdeps/unix/sysv/linux/xstat64.c (___xstat64): Likewise. * sysdeps/unix/sysv/linux/xstatconv.c (__xstat_conv): Likewise. (__xstat64_conv): Likewise. (__xstat32_conv): Likewise. * sysdeps/unix/sysv/linux/sched_getaffinity.c (__sched_getaffinity_new): Add libc_hidden_proto and libc_hidden_def. Use INLINE_SYSCALL_ERROR_RETURN.
2015-08-20Don't use -Wno-strict-prototypes in timezone/.Joseph Myers
The current timezone/ code from tzcode doesn't need -Wno-strict-prototypes. This patch removes it from the CFLAGS settings in timezone/Makefile. Tested for x86_64 that glibc still builds OK with the patch applied. * timezone/Makefile (CFLAGS-zdump.c): Remove -Wno-strict-prototypes. (CFLAGS-zic.c): Likewise. (CFLAGS-ialloc.c): Likewise. (CFLAGS-scheck.c): Likewise.
2015-08-20Don't use -Wno-error=undef.Joseph Myers
This patch removes the use of -Wno-error=undef, so that -Wundef warnings become errors. Tested for x86_64, x86, mips64 (all three ABIs) and arm. * Makeconfig [$(enable-werror) = yes] (+gccwarn): Do not add -Wno-error=undef.
2015-08-20Add missing ChangeLog entry for the last commitH.J. Lu
2015-08-20Remove the unused IFUNC filesH.J. Lu
sysdeps/i386/i686/multiarch/strcasestr-c.c became unused after commit 1818483b15d22016b0eae41d37ee91cc87b37510 Author: Andreas Schwab <schwab@suse.de> Date: Wed Dec 18 11:53:27 2013 +1000 Remove use of SSE4.2 functions for strstr on i686 which contains -sysdep_routines += strcspn-c strpbrk-c strspn-c strstr-c strcasestr-c +sysdep_routines += strcspn-c strpbrk-c strspn-c sysdeps/x86_64/multiarch/strcasestr.c became useless after t 584b18eb4df61ccd447db2dfe8c8a7901f8c8598 Author: Ondřej Bílka <neleai@seznam.cz> Date: Sat Dec 14 19:33:56 2013 +0100 Add strstr with unaligned loads. Fixes bug 12100. which changes sysdeps/x86_64/multiarch/strcasestr.c to libc_ifunc (__strcasestr, __strcasestr_sse2); This patch removes these file. * i386/i686/multiarch/strcasestr-c.c: Removed. * x86_64/multiarch/strcasestr.c: Likewise. * x86_64/multiarch/ifunc-impl-list.c (__libc_ifunc_impl_list): Remove strcasestr.
2015-08-20Don't use -Wno-uninitialized in math/.Joseph Myers
The uninitialized variable warnings in math/ having been fixed for all the supported floating-point formats, this patch removes the use of -Wno-uninitialized there, continuing with the goal of avoiding -Wno- options in makefiles as far as possible.. Tested for x86_64 and x86 (full build and testsuite runs), and for powerpc and mips64 (verified that glibc builds without errors). * math/Makefile (CFLAGS): Don't add -Wno-uninitialized.
2015-08-20Fix uninitialized variable use in ldbl-128ibm nearbyintl.Joseph Myers
Removing the use of -Wno-uninitialized for math/ shows errors for ldbl-128ibm: ../sysdeps/ieee754/ldbl-128ibm/s_nearbyintl.c: In function '__nearbyintl': ../sysdeps/ieee754/ldbl-128ibm/s_nearbyintl.c:119:34: error: 'low' may be used uninitialized in this function [-Werror=maybe-uninitialized] u.d[1].d = high - u.d[0].d + low; ^ ../sysdeps/ieee754/ldbl-128ibm/s_nearbyintl.c:119:23: error: 'high' may be used uninitialized in this function [-Werror=maybe-uninitialized] u.d[1].d = high - u.d[0].d + low; ^ These errors are correct: if the high part of the argument is a NaN, and the low part is nonzero but has absolute value less than 2^52, those variables can be used uninitialized. This patch rearranges the code so that the variables are always initialized with the natural values, and then possibly modified later, to avoid this uninitialized use. (Note that there are still other issues with this code and NaNs that are not fixed by this patch.) No bug filed in Bugzilla or testcase added for the uninitialized use since it wasn't user-visible with the compiler I tried (that is, I still got a NaN result). Tested for powerpc. * sysdeps/ieee754/ldbl-128ibm/s_nearbyintl.c: Always initialize variables for high and low parts before possibly modifying them.
2015-08-20Move x86_64 init-arch.h to sysdeps/x86/init-arch.hH.J. Lu
Move sysdeps/x86_64/multiarch/init-arch.h to sysdeps/x86/init-arch.h which can be used for both i386 and x86_64. * sysdeps/i386/i686/multiarch/init-arch.h: Removed. * sysdeps/unix/sysv/linux/x86/init-arch.h: Likewise. * sysdeps/x86_64/cacheinfo.c: Include <init-arch.h> instead of "multiarch/init-arch.h". * sysdeps/x86_64/multiarch/init-arch.h: Renamed to ... * sysdeps/x86/init-arch.h: This.
2015-08-20Remove x86 init-arch.cH.J. Lu
Both files include sysdeps/x86_64/multiarch/init-arch.c which has been removed. * sysdeps/i386/i686/multiarch/init-arch.c: Removed. * sysdeps/unix/sysv/linux/x86/init-arch.c: Likewise.
2015-08-20Fix exponents in manual.Ondřej Bílka
* manual/macros.texi: Add twoexp macro. * manual/filesys.texi: Fix exponents. * manual/llio.texi: Likewise. * manual/stdio.texi: Likewise.
2015-08-20nptl: Document crash due to incorrect use of locksFlorian Weimer
2015-08-19Fix csqrt missing underflows (bug 18370).Joseph Myers
The csqrt implementations in glibc can miss underflow exceptions when the real or imaginary part of the result becomes tiny in the course of scaling down (in particular, multiplication by 0.5) and that scaling is exact although the relevant part of the mathematical result isn't. This patch forces the exception in a similar way to previous fixes. Tested for x86_64 and x86. [BZ #18370] * math/s_csqrt.c (__csqrt): Force underflow exception for results whose real or imaginary part has small absolute value. * math/s_csqrtf.c (__csqrtf): Likewise. * math/s_csqrtl.c (__csqrtl): Likewise. * math/auto-libm-test-in: Add more tests of csqrt. * math/auto-libm-test-out: Regenerated. * sysdeps/i386/fpu/libm-test-ulps: Update.
2015-08-19relocate localedata ChangeLog entriesMike Frysinger
2015-08-19PowerPC: Extend Program Priority Register supportGabriel F. T. Gomes
This patch adds extra inline functions to change the Program Priority Register from ISA 2.07. 2015-08-19 Gabriel F. T. Gomes <gftg@linux.vnet.ibm.com> * sysdeps/powerpc/sys/platform/ppc.h (__ppc_set_ppr_med_high, __ppc_set_ppr_very_low): New functions. * manual/platform.texi: Add documentation about __ppc_set_ppr_med_high and __ppc_set_ppr_very_low.
2015-08-19Mention BZ #18796 fix in NEWS.Andrew Senkevich
2015-08-19Improve stpncpy performance by using __strnlen/memcpy/memset rather than aWilco Dijkstra
byte loop. Performance on bench-stpncpy is ~2x faster on average.
2015-08-19 [BZ #18796]Andrew Senkevich
* scripts/test-installation.pl: Don't add -lmvec to build options if libmvec wasn't built.
2015-08-19Add BZ #14341 to NEWSH.J. Lu
2015-08-19Fix dynamic linker issue with bind-nowPetar Jovanovic
Fix the bind-now case when DT_REL and DT_JMPREL sections are separate and there is a gap between them. [BZ #14341] * elf/dynamic-link.h (elf_machine_lazy_rel): Properly handle the case when there is a gap between DT_REL and DT_JMPREL sections. * sysdeps/x86_64/Makefile (tests): Add tst-split-dynreloc. (LDFLAGS-tst-split-dynreloc): New. (tst-split-dynreloc-ENV): Likewise. * sysdeps/x86_64/tst-split-dynreloc.c: New file. * sysdeps/x86_64/tst-split-dynreloc.lds: Likewise.
2015-08-19Mark __xstatXX_conv as hiddenH.J. Lu
__xstat_conv, __xstat64_conv and __xstat32_conv are internal to glibc. They should be marked as hidden so that they can't be called without PLT. [BZ #18822] * sysdeps/unix/sysv/linux/xstatconv.h (__xstat_conv): Add attribute_hidden. (__xstat64_conv): Likewise. (__xstat32_conv): Likewise.
2015-08-19Call __setcontext with HIDDEN_JUMPTARGETH.J. Lu
i386 __makecontext should call __setcontext with HIDDEN_JUMPTARGET. [BZ #18822] * sysdeps/unix/sysv/linux/i386/makecontext.S (__makecontext): Don't load %ebx when calling __setcontext. Call __setcontext with HIDDEN_JUMPTARGET. * sysdeps/unix/sysv/linux/i386/setcontext.S (__setcontext): Add libc_hidden_def.
2015-08-19Use x86-64 cacheinfo.c and sysconf.c for x86H.J. Lu
Since _dl_x86_cpu_features is always available, we can use x86-64 cacheinfo.c and sysconf.c for both i386 and x86-64. * sysdeps/i386/i686/Makefile [$(subdir) == string] (sysdep_routines): Moved to ... * sysdeps/i386/Makefile: Here. * sysdeps/i386/i686/cacheinfo.c: Moved to ... * sysdeps/i386/cacheinfo.c: Here. * sysdeps/unix/sysv/linux/i386/sysconf.c: Removed. * sysdeps/unix/sysv/linux/i386/i686/sysconf.c: Likewise. * sysdeps/unix/sysv/linux/x86_64/sysconf.c: Moved to ... * sysdeps/unix/sysv/linux/x86/sysconf.c: Here.
2015-08-19Also check __i586__/__i686__ for HAS_I586/HAS_I686H.J. Lu
* sysdeps/x86/cpu-features.h (HAS_I586): Defined to 1 if __i586__ is defined. (HAS_I686): Defined to 1 if __i686__ is defined.
2015-08-19Fix -Wundef warnings in elf/tst-execstack.c.Joseph Myers
To remove -Wno-error=undef, we need to fix the remaining cases where there are -Wundef warnings in the testsuite. One of those places is in elf/tst-execstack.c. tst-execstack.c tests USE_PTHREADS with #if. nptl/tst-execstack.c defines USE_PTHREADS to 1 before including ../elf/tst-execstack.c, while elf/tst-execstack.c, when compiled directly, leaves it undefined. This patch adds a setting of CPPFLAGS-tst-execstack.c to elf/Makefile. An alternative approach would be to rename tst-execstack.c to tst-execstack-main.c and have two different tst-execstack.c files include it, each with an appropriate USE_PTHREADS #define. Tested for x86_64. * elf/Makefile [$(have-z-execstack) = yes] (CPPFLAGS-tst-execstack.c): New variable.
2015-08-19Fix -Wundef warnings in login/tst-utmp.c.Joseph Myers
To remove -Wno-error=undef, we need to fix the remaining cases where there are -Wundef warnings in the testsuite. One of those places is in login/tst-utmp.c. When included from tst-utmpx.c, <utmpx.h> is included instead of <utmp.h>, meaning the _HAVE_UT_* macros are not defined. The test is prepared for them not being defined, in that all the relevant conditionals also include "defined UTMPX". However, they test the _HAVE_UT_* macros first, so resulting in -Wundef warnings. This patch does the minimal fix of swapping the || operands. This is logically correct - avoiding checking a macro we know will not be defined in the case where it is not defined. It won't fix such warnings for the case where the toplevel bits/utmp.h is used and most _HAVE_UT_* aren't defined at all even when <utmp.h> is included, but that case doesn't apply to any current glibc configuration. Fixing it would also be tricky in that, while glibc itself consistently uses _HAVE_UT_* in ways that would work with 0 instead of undefined, external packages that use the macros expect defined / undefined instead of 1 / 0 (codesearch.debian.net shows uses by util-linux, python-utmp, libsys-utmp-perl). Tested for x86_64. * login/tst-utmp.c [_HAVE_UT_TYPE || defined UTMPX]: Change conditional to [defined UTMPX || _HAVE_UT_TYPE]. [_HAVE_UT_TV || defined UTMPX]: Change conditional to [defined UTMPX || _HAVE_UT_TV]. [_HAVE_UT_TV - 0 || defined UTMPX]: Change conditional to [defined UTMPX || _HAVE_UT_TV - 0].
2015-08-18Fix MIPS -Wundef warnings for __mips_isa_rev.Joseph Myers
This patch fixes -Wundef warnings relating to __mips_isa_rev being undefined. Tested for mips64 (all three ABIs) that there is a clean build and testsuite run with -Wno-error=undef removed (and my other -Wundef patches applied). * sysdeps/mips/dl-machine.h [__mips_isa_rev < 6]: Change conditionals to [!defined __mips_isa_rev || __mips_isa_rev < 6]. * sysdeps/mips/machine-gmon.h [__mips_isa_rev < 6]: Likewise.
2015-08-18powerpc: Add missing hwcap strings.Carlos Eduardo Seo
Some features in hwcap.h do not have matching string descriptors to be displayed when LD_SHOW_AUXV=1. This patch fixes the problem. 2015-08-13 Carlos Eduardo Seo <cseo@linux.vnet.ibm.com> * sysdeps/powerpc/dl-procinfo.c: (_dl_powerpc_cap_flags): Added missing strings for some hwcap features. * sysdeps/powerpc/dl-procinfo.h: Updated hwcap bit count.
2015-08-18Port the 0x7efe...feff pattern to GCC 6.Paul Eggert
See Steve Ellcey's bug report in: https://sourceware.org/ml/libc-alpha/2015-07/msg00673.html * string/memrchr.c (MEMRCHR): * string/rawmemchr.c (RAWMEMCHR): * string/strchr.c (strchr): * string/strchrnul.c (STRCHRNUL): Rewrite code to avoid issues with signed shift overflow.
2015-08-18Define HAS_CPUID/HAS_I586/HAS_I686 from -march=H.J. Lu
cpuid, i586 and i686 instructions are available if the processor specified by -march= supports them. We can use this information to determine whether those instructions can be used safely. * sysdeps/x86/cpu-features.c (init_cpu_features): Check whether cpuid is available only if HAS_CPUID is 0. * sysdeps/x86/cpu-features.h (HAS_CPUID): New. (HAS_I586): Likewise. (HAS_I686): Likewise.
2015-08-18Fix lang_lib/lang_term as per ISO 639-2 [BZ #16973]Marko Myllynen
lang_lib (which reflects ISO 639-2/B (bibliographic) codes) and lang_term (which reflects ISO 639-2/T (terminology) codes) should be identical except for those languages for which ISO 639-2 specifies separate bibliographic/terminology values. I used this Library of Congress page as the source: http://www.loc.gov/standards/iso639-2/php/code_list.php
2015-08-18regexp.h: update Versions to match file usage [BZ #18681]Zack Weinberg
Since the new regexp.c code uses the GLIBC_2.23 symbol, make sure we declare it to avoid warnings/errors.
2015-08-18NEWS: note fixed bugMike Frysinger
2015-08-18hppa: start.S: rework references to fix PIE TEXTRELs [BZ #18421]Alan Modra
The startup code was not using PIC friendly references leading to TEXTRELs in every PIE ELF.
2015-08-18hppa: timerfd.h: move to common sys/timerfd.hMike Frysinger
Use the common sys/timerfd.h to avoid duplication and move the arch-specific settings into bits/timerfd.h.
2015-08-18hppa: signalfd.h: move to common sys/signalfd.hMike Frysinger
Use the common sys/signalfd.h to avoid duplication and move the arch-specific settings into bits/signalfd.h.
2015-08-18hppa: inotify.h: move to common sys/inotify.hMike Frysinger
Use the common sys/inotify.h to avoid duplication and move the arch-specific settings into bits/inotify.h.
2015-08-18hppa: eventfd.h: move to common sys/eventfd.hMike Frysinger
Use the common sys/eventfd.h to avoid duplication and move the arch-specific settings into bits/eventfd.h.
2015-08-18hppa: epoll.h: move to common sys/epoll.hMike Frysinger
Use the common sys/epoll.h to avoid duplication and move the arch-specific settings into bits/epoll.h.
2015-08-18hppa: sigaction.h: update define export based on __USE_XOPEN2K8Mike Frysinger
This brings hppa in line with other ports by exporting a few more defines based on the __USE_XOPEN2K8 define and not just __USE_MISC.
2015-08-18hppa: shm.h: add SHM_EXECMike Frysinger
This brings hppa in line with all the other arches.
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