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2017-08-02i386: Check PIC to enable PIC setups in multiarch functionsH.J. Lu
Check PIC, instead of SHARED, to enable PIC setups. * sysdeps/i386/i686/multiarch/memcmp-sse4.S: Check PIC instead of SHARED. * sysdeps/i386/i686/multiarch/memcpy-sse2-unaligned.S: Likewise. * sysdeps/i386/i686/multiarch/memcpy-ssse3-rep.S: Likewise. * sysdeps/i386/i686/multiarch/memcpy-ssse3.S: Likewise. * sysdeps/i386/i686/multiarch/memset-sse2-rep.S: Likewise. * sysdeps/i386/i686/multiarch/memset-sse2.S: Likewise. * sysdeps/i386/i686/multiarch/strcat-sse2.S: Likewise. * sysdeps/i386/i686/multiarch/strcpy-sse2.S: Likewise.
2017-08-02Fix tgmath.h for bit-fields (bug 21685).Joseph Myers
The tgmath.h macros produce errors for bit-field arguments, because they apply sizeof and typeof to the arguments. This patch fixes them to use unary + systematically before using sizeof or typeof on arguments that might be bit-fields (note that __real__ of a bit-field is still a bit-field for this purpose, since it's an lvalue). gen-tgmath-tests.py is extended to add tests for this case. Tested for x86_64. [BZ #21685] * math/tgmath.h (__tgmath_real_type): Use unary + on potentially bit-field expressions passed to sizeof or typeof. [__HAVE_FLOAT128 && __GLIBC_USE (IEC_60559_TYPES_EXT)] (__TGMATH_F128): Likewise. [__HAVE_FLOAT128 && __GLIBC_USE (IEC_60559_TYPES_EXT)] (__TGMATH_CF128): Likewise. (__TGMATH_UNARY_REAL_ONLY): Likewise. (__TGMATH_UNARY_REAL_RET_ONLY): Likewise. (__TGMATH_BINARY_FIRST_REAL_ONLY): Likewise. (__TGMATH_BINARY_FIRST_REAL_STD_ONLY): Likewise. (__TGMATH_BINARY_REAL_ONLY): Likewise. (__TGMATH_BINARY_REAL_STD_ONLY): Likewise. (__TGMATH_BINARY_REAL_RET_ONLY): Likewise. (__TGMATH_TERNARY_FIRST_SECOND_REAL_ONLY): Likewise. (__TGMATH_TERNARY_REAL_ONLY): Likewise. (__TGMATH_TERNARY_FIRST_REAL_RET_ONLY): Likewise. (__TGMATH_UNARY_REAL_IMAG): Likewise. (__TGMATH_UNARY_IMAG): Likewise. (__TGMATH_UNARY_REAL_IMAG_RET_REAL): Likewise. (__TGMATH_BINARY_REAL_IMAG): Likewise. * math/gen-tgmath-tests.py (Type.init_types): Create bit_field type. (define_vars_for_type): Handle bit_field type specially. (Tests.__init__): Declare structure with bit-field element.
2017-08-02i386: Don't define multiarch __memmove_chk in libc.a [BZ #21791]H.J. Lu
There is no need to define multiarch __memmove_chk in libc.a since they aren't used at all. [BZ #21791] * sysdeps/i386/i686/multiarch/memcpy-sse2-unaligned.S (MEMCPY_CHK): Define only if SHARED is defined. * sysdeps/i386/i686/multiarch/memcpy-ssse3-rep.S (MEMCPY_CHK): Likewise. * sysdeps/i386/i686/multiarch/memcpy-ssse3.S (MEMCPY_CHK): Likewise.
2017-08-02Rotate ChangeLog correctlySiddhesh Poyarekar
I incorrectly assumed that the ChangeLog numbers (.1, .2, etc.) are in order. They're not and the latest non-current ChangeLog is the one with the highest number. Fixed.
2017-08-02Rotate ChangeLogSiddhesh Poyarekar
2017-08-02Open master for developmentglibc-2.26.9000Siddhesh Poyarekar
2017-08-02Update for 2.26 releaseglibc-2.26Siddhesh Poyarekar
2017-08-02Update contributors and latest gcc and binutils versionsSiddhesh Poyarekar
2017-08-02Fix up ChangeLog formattingSiddhesh Poyarekar
2017-08-02Add list of bugs fixed in 2.26Siddhesh Poyarekar
2017-08-02Update translationsSiddhesh Poyarekar
2017-08-02Update NEWSSiddhesh Poyarekar
2017-07-31Update translationsSiddhesh Poyarekar
2017-07-29mutex: Fix robust mutex lock acquire (Bug 21778)Carlos O'Donell
65810f0ef05e8c9e333f17a44e77808b163ca298 fixed a robust mutex bug but introduced BZ 21778: if the CAS used to try to acquire a lock fails, the expected value is not updated, which breaks other cases in the loce acquisition loop. The fix is to simply update the expected value with the value returned by the CAS, which ensures that behavior is as if the first case with the CAS never happened (if the CAS fails). This is a regression introduced in the last release. Tested on x86_64, i686, ppc64, ppc64le, s390x, aarch64, armv7hl.
2017-07-28microblaze: Resolve non-relocatable branch in pt-vfork.S (BZ#21779)Nathan Rossi
The relative branch directly to __libc_vfork results in an relocation that cannot be resolved. Specifically a R_MICROBLAZE_64_PCREL relocation is created for this branch, however for MicroBlaze R_MICROBLAZE_64_PCREL type relocations symbols are not resolved. Additionally due to the branch being located in the .text section the instruction cannot be rewritten as the section is not writable, and causes a segfault at runtime when loading libpthread. To resolve this issue, ensure the branch is done using PLT. This removes the need to modify the instruction and trades the R_MICROBLAZE_64_PCREL for a more common R_MICROBLAZE_JUMP via the PLT. [BZ #21779] * sysdeps/unix/sysv/linux/microblaze/pt-vfork.S: Branch using PLT.
2017-07-28Update Microblaze libm-test-ulpsNathan Rossi
* sysdeps/microblaze/libm-test-ulps: Update.
2017-07-28Update Nios II ULPs file.Chung-Lin Tang
2017-07-28rwlock: Fix explicit hand-over (bug 21298)Carlos O'Donell
Without this fix, the rwlock can fail to execute the explicit hand-over in certain cases (e.g., empty critical sections that switch quickly between read and write phases). This can then lead to errors in how __wrphase_futex is accessed, which in turn can lead to deadlocks.
2017-07-27Update Alpha libm-test-ulpsAdhemerval Zanella
* sysdeps/alpha/fpu/libm-test-ulps: Update.
2017-07-27Minor improvements to new az_IR localeMike FABIAN
* locales/az_IR (LC_MESSAGES): Improve yesexpr and noexpr. * locales/az_IR (LC_ADDRESS): Fix typo in comment and use the individual iso-639-3 code for South Azerbaijani "azb" in lang_term. * locales/az_IR (LC_NAME): Improve readability of name_fmt in source.
2017-07-27manual: Refactor documentation of CHAR_BIT.Rical Jasan
This single-@item @table is better defined with @deftypevr, since the CHAR_BIT macro has @standards (being declared in a header), and @items in @tables are not considered annotatable. Using @deftypevr automatically includes the macro in the Variable and Constant Macro Index and ensures its inclusion the Summary of Library Facilities. @deftypevr is used to record the type of the macro so that it also appears in the Summary. The description is updated to mention a later POSIX requirement that this macro have the value 8. * manual/lang.texi (CHAR_BIT): Convert from an @table to an @deftypevr. Change standard from ISO to C90. Mention the POSIX.1-2001 requirement of the value 8.
2017-07-27manual: Complete @standards in creature.texi.Rical Jasan
* manual/creature.texi (_REENTRANT): Annotate as obsolete. (_THREAD_SAFE): Likewise.
2017-07-26Update translationsSiddhesh Poyarekar
* po/bg.po: Update translations. * po/cs.po: Likewise. * po/de.po: Likewise. * po/pl.po: Likewise. * po/uk.po: Likewise. * po/vi.po: Likewise.
2017-07-26Add [BZ #21828] to ChangeLogMike FABIAN
2017-07-26Mention in NEWS that the Unicode 10.0.0 update causes user visible changesMike FABIAN
2017-07-26sv: Update translationSiddhesh Poyarekar
2017-07-25zic: Use PRIdMAX to print line numbersSiddhesh Poyarekar
The PRIdLINENUM abstraction is unnecessary and breaks libc.pot generation. * timezone.zic (PRIdLINENO): Remove. (verror): Use PRIdMAX. * po/libc.pot: Regenerate.
2017-07-24tunables: Use direct syscall for access (BZ#21744)Adhemerval Zanella
The function maybe_enable_malloc_check, which is called by __tunables_init, calls __access_noerrno. It isn't problem when symbol is is in ld.so, which has a special version of __access_noerrno without stack protector. But when glibc is built with stack protector, maybe_enable_malloc_check in libc.a can't call the regular version of __access_noerrno with stack protector. This patch changes how Linux defines the __access_noerrno to be an inline call instead and thus preventing defining different build rules for ld/static and shared. H.J. Lu <hongjiu.lu@intel.com> Adhemerval Zanella <adhemerval.zanella@linaro.org> [BZ #21744] * elf/dl-tunables.c: Include not-errno.h header. * include/unistd.h (__access_noerrno): Remove definition. * sysdeps/unix/sysv/linux/access.c (__access_noerrno): Likewise. * sysdeps/generic/not-errno.h: New file. * sysdeps/unix/sysv/linux/not-errno.h: Likewise.
2017-07-24Avoid accessing corrupted stack from __stack_chk_fail [BZ #21752]H.J. Lu
__libc_argv[0] points to address on stack and __libc_secure_getenv accesses environment variables which are on stack. We should avoid accessing stack when stack is corrupted. This patch also renames function argument in __fortify_fail_abort from do_backtrace to need_backtrace to avoid confusion with do_backtrace from enum __libc_message_action. [BZ #21752] * debug/fortify_fail.c (__fortify_fail_abort): Don't pass down __libc_argv[0] if we aren't doing backtrace. Rename do_backtrace to need_backtrace. * sysdeps/posix/libc_fatal.c (__libc_message): Don't call __libc_secure_getenv if we aren't doing backtrace.
2017-07-24Remove extra semicolons in struct pthread_mutex (bug 21804)Andreas Schwab
2017-07-23S390: fix sys/ptrace.h to make it includible again after asm/ptrace.hDmitry V. Levin
sys/ptrace.h on S390 used to be includible both before and after asm/ptrace.h, until commit b08a6a0dea63742313ed3d9577c1e2d83436b196 among other changes introduced PTRACE_SINGLEBLOCK enum constant which is also defined in asm/ptrace.h as a macro, making sys/ptrace.h fail to compile when included after asm/ptrace.h. * sysdeps/unix/sysv/linux/s390/sys/ptrace.h [_LINUX_PTRACE_H || _S390_PTRACE_H]: Undefine all PTRACE_* macro constants defined later as enum constants, except PTRACE_PEEKUSER, PTRACE_POKEUSER, and PTRACE_SEIZE_DEVEL that are not defined by Linux headers.
2017-07-23[BZ 19170]John David Anglin
Revise comment in sysdeps/hppa/dl-trampoline.S
2017-07-21Correct nss/tst-nss-test5 configurationDJ Delorie
The configuration was cloned from test4, but test5 does not have data for a second module.
2017-07-21Fix localedata test builds with latest GCCSteve Ellcey
* localedata/Makefile (CFLAGS-tst_iswalnum.c, CFLAGS-tst_iswalpha.c CFLAGS-tst_iswcntrl.c, CFLAGS-tst_iswdigit.c, CFLAGS-tst_iswgraph.c, CFLAGS-tst_iswlower.c, CFLAGS-tst_iswprint.c, CFLAGS-tst_iswpunct.c, CFLAGS-tst_iswspace.c, CFLAGS-tst_iswupper.c, CFLAGS-tst_iswxdigit.c, CFLAGS-tst_towlower.c, CFLAGS-tst_towupper.c): New macros.
2017-07-21Fix nss/nss_test1.c compile with latest GCC.Steve Ellcey
* nss/nss_test1.c (default_npwd_data): Fix definition.
2017-07-21Fix cexpl when compiled with latest GCCSteve Ellcey
* sysdeps/ieee754/ldbl-128/e_expl.c (__ieee754_expl): Call math_force_eval.
2017-07-19Update sparc ulpsAdhemerval Zanella
* sysdeps/sparc/fpu/libm-test-ulps: Update.
2017-07-19alpha: Fix clone exit syscall argument passing (BZ#21512)Adhemerval Zanella
This patch fixes the argument passing for exit syscall after the clone function returns on hppa. This fixes misc/tst-clone2 on alpha-linux-gnu. Checked misc/tst-clone2 on alpha-linux-gnu. [BZ #21512] * sysdeps/unix/sysv/linux/alpha/clone.S (__clone): Fix argument passing to syscall exit.
2017-07-19Fix cast-after-dereferenceDJ Delorie
Original code was dereferencing a char*, then casting the value to size_t. Should cast the pointer to size_t* then deference.
2017-07-19i386: Test memmove_chk and memset_chk only in libc.so [BZ #21741]H.J. Lu
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/i386/i686/multiarch/ifunc-impl-list.c (__libc_ifunc_impl_list): Test memmove_chk and memset_chk only in libc.so.
2017-07-19Don't add stack_chk_fail_local.o to libc.a [BZ #21740]H.J. Lu
commit 524a8ef2ad76af8ac049293d993a1856b0d888fb Author: Nick Alcock <nick.alcock@oracle.com> Date: Mon Dec 26 10:08:57 2016 +0100 PLT avoidance for __stack_chk_fail [BZ #7065] Add a hidden __stack_chk_fail_local alias to libc.so, and make sure that on targets which use __stack_chk_fail, this does not introduce a local PLT reference into libc.so. which unconditionally added strong_alias (__stack_chk_fail, __stack_chk_fail_local) defines __stack_chk_fail_local as an alias of __stack_chk_fail in libc.a. There is no need to add stack_chk_fail_local.o to libc.a. We only need to add stack_chk_fail_local.oS to libc_nonshared.a. Tested on x86-64: [hjl@gnu-skl-1 build-x86_64-linux]$ nm libc.a | grep __stack_chk_fail 0000000000000000 T __stack_chk_fail 0000000000000000 T __stack_chk_fail_local [hjl@gnu-skl-1 build-x86_64-linux]$ nm libc_nonshared.a | grep __stack_chk_fail_local 0000000000000000 T __stack_chk_fail_local [hjl@gnu-skl-1 build-x86_64-linux]$ [BZ #21740] * debug/Makefile (elide-routines.o): New.
2017-07-19[AArch64] Update dl-procinfo for new HWCAP flags in Linux 4.12Szabolcs Nagy
Follow up to commit 512d245bc30cca893db6979f42f058e734f345c3. * sysdeps/unix/sysv/linux/aarch64/dl-procinfo.c: (_dl_aarch64_cap_flags): Update. * sysdeps/unix/sysv/linux/aarch64/dl-procinfo.h (_DL_HWCAP_COUNT, _DL_HWCAP_LAST): Update.
2017-07-18[AArch64] Fix out of bound array access regressionSzabolcs Nagy
Partially revert ea01a4da219011f4a4db97eef3c5bfc2f6e8fc6b "aarch64: Add hwcap string routines" because _dl_procinfo cannot be future proof and avoid oob access in _dl_hwcap_string.
2017-07-17powerpc: Fix float128 IFUNC relocations [BZ #21707]Tulio Magno Quites Machado Filho
The patch proposed by Peter Bergner [1] to libgcc in order to fix [BZ #21707] adds a dependency on a symbol provided by the loader, forcing the loader to be linked to tests after libgcc was linked. It also requires to read the thread pointer during IRELA relocations. Tested on powerpc, powerpc64, powerpc64le, s390x and x86_64. [1] https://sourceware.org/ml/libc-alpha/2017-06/msg01383.html [BZ #21707] * csu/libc-start.c (LIBC_START_MAIN): Perform IREL{,A} relocations before or after initializing the TCB on statically linked executables. That's a per-architecture definition. * elf/rtld.c (dl_main): Add a comment about thread-local variables initialization. * sysdeps/generic/libc-start.h: New file. Define ARCH_APPLY_IREL and ARCH_SETUP_IREL. * sysdeps/powerpc/Makefile: [$(subdir) = elf && $(multi-arch) != no] (tests-static-internal): Add tst-tlsifunc-static. [$(subdir) = elf && $(multi-arch) != no && $(build-shared) == yes] (tests-internal): Add tst-tlsifunc. * sysdeps/powerpc/tst-tlsifunc.c: New file. * sysdeps/powerpc/tst-tlsifunc-static.c: Likewise. * sysdeps/powerpc/powerpc64le/Makefile (f128-loader-link): New variable. [$(subdir) = math] (test-float128% test-ifloat128%): Force linking to the loader after linking to libgcc. [$(subdir) = wcsmbs || $(subdir) = stdlib] (bug-strtod bug-strtod2) (bug-strtod2 tst-strtod-round tst-wcstod-round tst-strtod6 tst-strrom) (tst-strfrom-locale strfrom-skeleton): Likewise. * sysdeps/unix/sysv/linux/powerpc/libc-start.h: New file. Define ARCH_APPLY_IREL and ARCH_SETUP_IREL.
2017-07-17Extend NSS test suiteDJ Delorie
* nss/nss_test.h: New. * nss/nss_test1.h: Rewrite to use test-provided data. Add group tests. Parameterize to allow multiple instances. * nss/nss_test2.h: New. Second instance. * nss/nss_test.ver: New. * nss/nss_test1.c: Update to use new framework. * nss/nss_test2.c: New. * nss/nss_test3.c: New. * nss/nss_test4.c: New. * nss/nss_test5.c: New. * nss/Makefile: Build new tests. * shlib-versions: Add libnss_test2.
2017-07-17hppa: Fix clone exit syscall argument passing (BZ#21512)Adhemerval Zanella
This patch fixes the argument passing for exit syscall after the clone function returns on hppa. This fixes misc/tst-clone2 on hppa-linux-gnu. Checked misc/tst-clone2 on hppa-linux-gnu. [BZ #21512] * sysdeps/unix/sysv/linux/hppa/clone.S (__clone): Fix argument passing to syscall exit.
2017-07-17Add HWCAP_ macros from Linux 4.12 to AArch64 bits/hwcap.h.Szabolcs Nagy
This patch adds the HWCAP_JSCVT, HWCAP_FCMA and HWCAP_LRCPC macros from Linux 4.12 to the AArch64 bits/hwcap.h. * sysdeps/unix/sysv/linux/aarch64/bits/hwcap.h (HWCAP_FCMA): New macro. (HWCAP_JSCVT, HWCAP_LRCPC): Likewise.
2017-07-16Return to caller if dl_fixup fails to resolve callee on hppa.John David Anglin
2017-07-16Add CFI annotation.John David Anglin
2017-07-16Fix stack offset for r19 load in __getcontext.John David Anglin
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