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* NEWS: minor wording fixesAndreas K. Hüttel2023-07-301-2/+2
| | | | Signed-off-by: Andreas K. Hüttel <dilfridge@gentoo.org>
* install.texi: Build was tested with binutils 2.41 (just released)Andreas K. Hüttel2023-07-301-1/+1
| | | | Signed-off-by: Andreas K. Hüttel <dilfridge@gentoo.org>
* install.texi: Update versions of most recent build toolsAndreas K. Hüttel2023-07-271-7/+7
| | | | Signed-off-by: Andreas K. Hüttel <dilfridge@gentoo.org>
* contrib.texi: Update for 2.38Andreas K. Hüttel2023-07-271-7/+103
| | | | Signed-off-by: Andreas K. Hüttel <dilfridge@gentoo.org>
* <sys/platform/x86.h>: Add APX supportH.J. Lu2023-07-275-0/+14
| | | | | | | | Add support for Intel Advanced Performance Extensions: https://www.intel.com/content/www/us/en/developer/articles/technical/advanced-performance-extensions-apx.html to <sys/platform/x86.h>.
* translations: update cs, nl, viAndreas K. Hüttel2023-07-273-9/+84
| | | | Signed-off-by: Andreas K. Hüttel <dilfridge@gentoo.org>
* string: Fix tester build with fortify enable with gcc 6Adhemerval Zanella Netto2023-07-261-0/+9
| | | | | | | | | | | When building with fortify enabled, GCC 6 issues an warning the fortify wrapper might overflow the destination buffer. However, GCC does not provide a specific flag to disable the warning (the failure is tied to -Werror). So to avoid disable all errors, only enable the check for GCC 7 or newer. Checked on i686-linux-gnu. Reviewed-by: Carlos O'Donell <carlos@redhat.com>
* linux: Fix i686 with gcc6Adhemerval Zanella Netto2023-07-261-0/+9
| | | | | | | | | | | | On __convert_scm_timestamps GCC 6 issues an warning that tvts[0]/tvts[1] maybe be used uninitialized, however it would be used if type is set to a value different than 0 (done by either COMPAT_SO_TIMESTAMP_OLD or COMPAT_SO_TIMESTAMPNS_OLD) which will fallthrough to 'common' label. It does not show with gcc 7 or more recent versions. Checked on i686-linux-gnu. Reviewed-by: Carlos O'Donell <carlos@redhat.com>
* i386: Remove memset_chk-nonshared.SAdhemerval Zanella Netto2023-07-264-30/+6
| | | | | | | | | Similar to memcpy, mempcpy, and memmove there is no need for an specific memset_chk-nonshared.S. It can be provided by memset-ia32.S itself for static library. Checked on i686-linux-gnu. Reviewed-by: Carlos O'Donell <carlos@redhat.com>
* i386: Fix build with --enable-fortify=3Adhemerval Zanella Netto2023-07-264-65/+1
| | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | The i386 string routines provide multiple internal definitions for memcpy, memmove, and mempcpy chk routines: $ objdump -t libc.a | grep __memcpy_chk 00000000 g F .text 0000000e __memcpy_chk 00000000 g F .text 00000013 __memcpy_chk $ objdump -t libc.a | grep __mempcpy_chk 00000000 g F .text 0000000e __mempcpy_chk 00000000 g F .text 00000013 __mempcpy_chk $ objdump -t libc.a | grep __memmove_chk 00000000 g F .text 0000000e __memmove_chk 00000000 g F .text 00000013 __memmove_chk Although is not an issue for normal static builds, with fortify=3 glibc itself might use the fortify chk functions and thus static build might fail with multiple definitions. For instance: x86_64-glibc-linux-gnu-gcc -m32 -march=i686 -o [...]math/test-signgam-uchar-static -nostdlib -nostartfiles -static -static-pie [...] x86_64-glibc-linux-gnu/bin/ld: [...]/libc.a(mempcpy-ia32.o): in function `__mempcpy_chk': [...]/glibc-git/string/../sysdeps/i386/i686/mempcpy.S:32: multiple definition of `__mempcpy_chk'; [...]/libc.a(mempcpy_chk-nonshared.o):[...]/debug/../sysdeps/i386/mempcpy_chk.S:28: first defined here collect2: error: ld returned 1 exit status make[2]: *** [../Rules:298: There is no need for mem*-nonshared.S, the __mem*_chk routines are already provided by the assembly routines. Checked on i686-linux-gnu with gcc 13 built with fortify=1,2,3 and without fortify. Reviewed-by: Carlos O'Donell <carlos@redhat.com>
* posix: Fix test-errno build with fortify enableAdhemerval Zanella Netto2023-07-261-1/+7
| | | | | | | | | | | | | | | | | | | | | | | | | | | | | With gcc 11.3.1, building with -D_FORTIFY_SOURCE=2 shows: In function ‘getgroups’, inlined from ‘do_test’ at test-errno.c:129:12: ../misc/sys/cdefs.h:195:6: error: argument 1 value -1 is negative [-Werror=stringop-overflow=] 195 | ? __ ## f ## _alias (__VA_ARGS__) \ | ^~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~ ../posix/bits/unistd.h:115:10: note: in expansion of macro ‘__glibc_fortify’ 115 | return __glibc_fortify (getgroups, __size, sizeof (__gid_t), | ^~~~~~~~~~~~~~~ ../posix/bits/unistd.h: In function ‘do_test’: ../posix/bits/unistd-decl.h:135:28: note: in a call to function ‘__getgroups_alias’ declared with attribute ‘access (write_only, 2, 1)’ 135 | extern int __REDIRECT_NTH (__getgroups_alias, (int __size, __gid_t __list[]), | ^~~~~~~~~~~~~~~~~ ../misc/sys/cdefs.h:264:6: note: in definition of macro ‘__REDIRECT_NTH’ 264 | name proto __asm__ (__ASMNAME (#alias)) __THROW It builds fine with gcc 12 and gcc 13. Checked on x86_64-linux-gnu. Reviewed-by: Carlos O'Donell <carlos@redhat.com>
* powerpc: Fix powerpc64 strchrnul build with old gccAdhemerval Zanella Netto2023-07-261-7/+7
| | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | The compiler might not see that internal definition is an alias due the libc_ifunc macro, which redefines __strchrnul. With gcc 6 it fails with: In file included from <command-line>:0:0: ./../include/libc-symbols.h:472:33: error: ‘__EI___strchrnul’ aliased to undefined symbol ‘__GI___strchrnul’ extern thread __typeof (name) __EI_##name \ ^ ./../include/libc-symbols.h:468:3: note: in expansion of macro ‘__hidden_ver2’ __hidden_ver2 (, local, internal, name) ^~~~~~~~~~~~~ ./../include/libc-symbols.h:476:29: note: in expansion of macro ‘__hidden_ver1’ # define hidden_def(name) __hidden_ver1(__GI_##name, name, name); ^~~~~~~~~~~~~ ./../include/libc-symbols.h:557:32: note: in expansion of macro ‘hidden_def’ # define libc_hidden_def(name) hidden_def (name) ^~~~~~~~~~ ../sysdeps/powerpc/powerpc64/multiarch/strchrnul.c:38:1: note: in expansion of macro ‘libc_hidden_def’ libc_hidden_def (__strchrnul) ^~~~~~~~~~~~~~~ Use libc_ifunc_hidden as stpcpy. Checked on powerpc64 with gcc 6 and gcc 13. Reviewed-by: Carlos O'Donell <carlos@redhat.com>
* sunrpc: Fix netname build with older gccAdhemerval Zanella Netto2023-07-261-0/+4
| | | | | The -Wformat-overflow was added by gcc 8. Reviewed-by: Carlos O'Donell <carlos@redhat.com>
* malloc: Fix set-freeres.c with gcc 6Adhemerval Zanella Netto2023-07-261-0/+46
| | | | | | | | | | | | | | | Old GCC might trigger the the comparison will always evaluate as ‘true’ warnig for static build: set-freeres.c:87:14: error: the comparison will always evaluate as ‘true’ for the address of ‘__libc_getgrgid_freemem_ptr’ will never be NULL [-Werror=address] if (&__ptr != NULL) \ So add pragma weak for all affected usages. Checked on x86_64 and i686 with gcc 6 and 13. Reviewed-by: Carlos O'Donell <carlos@redhat.com>
* NEWS: Insert autogenerated list of fixed bugsAndreas K. Hüttel2023-07-251-2/+41
| | | | Signed-off-by: Andreas K. Hüttel <dilfridge@gentoo.org>
* NEWS: Mention AArch64 libmvec under build requirements againAndreas K. Hüttel2023-07-251-1/+1
| | | | Signed-off-by: Andreas K. Hüttel <dilfridge@gentoo.org>
* NEWS: Minor editorial changesAndreas K. Hüttel2023-07-251-9/+9
| | | | Signed-off-by: Andreas K. Hüttel <dilfridge@gentoo.org>
* MIPS: Update mips32 and mip64 libm test ulpsAurelien Jarno2023-07-252-0/+2
| | | | | | | | Generated on a Cavium Octeon III 2 board running Linux version 4.19.249 and GCC 13.1.0. Needed due to commit cf7ffdd8a5f6 ("added pair of inputs for hypotf in binary32").
* nscd: cleanup obsolete _FORTIFY_SOURCE settingSam James2023-07-251-2/+0
| | | | | | | | | | | | | | This was added in 233399bce2e79e5af3b344782e9943d5f1a9cdcb just for warn_if_unused warnings rather than anything substantial. Now that we have a proper configure argument for F_S (--enable-fortify-source), just drop this entirely, to avoid conflicting with e.g. detected --enable-fortify-source finding F_S=3, then nscd's Makefile setting F_S=2, resulting in a build-failure because of the redefinition. Signed-off-by: Sam James <sam@gentoo.org> Signed-off-by: Andreas K. Hüttel <dilfridge@gentoo.org> Reviewed-by: Andreas K. Hüttel <dilfridge@gentoo.org>
* Include sys/rseq.h in tst-rseq-disable.cStefan Liebler2023-07-251-0/+1
| | | | | | | | | | | Starting with commit 2c6b4b272e6b4d07303af25709051c3e96288f2d "nptl: Unconditionally use a 32-byte rseq area", the testcase misc/tst-rseq-disable is UNSUPPORTED as RSEQ_SIG is not defined. The mentioned commit removes inclusion of sys/rseq.h in nptl/descr.h. Thus just include sys/rseq.h in the tst-rseq-disable.c as also done in tst-rseq.c and tst-rseq-nptl.c. Reviewed-by: Florian Weimer <fweimer@redhat.com>
* string: Fix tester with fortify enabledAdhemerval Zanella Netto2023-07-241-4/+8
| | | | | | | | | | | | | | | | | | | | | | | | | If fortify is enabled, the truncated output warning is issued by the wrapper itself: In function ‘strncpy’, inlined from ‘test_strncpy’ at tester.c:505:10: ../string/bits/string_fortified.h:95:10: error: ‘__builtin_strncpy’ destination unchanged after copying no bytes from a string of length 3 [-Werror=stringop-truncation] 95 | return __builtin___strncpy_chk (__dest, __src, __len, | ^~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~ 96 | __glibc_objsize (__dest)); | ~~~~~~~~~~~~~~~~~~~~~~~~~ In file included from ../include/bits/string_fortified.h:1, from ../string/string.h:548, from ../include/string.h:60, from tester.c:33, from inl-tester.c:6: In function ‘strncpy’, inlined from ‘test_strncpy’ at tester.c:505:10: Checked on x86_64-linux-gnu. Reviewed-by: Carlos O'Donell <carlos@redhat.com>
* string: Fix bug-strncat1 with fortify enabledAdhemerval Zanella Netto2023-07-241-6/+8
| | | | | | | | | | | | | | If fortify is enabled, the truncated output warning is issued by the wrapper itself: bug-strncat1.c: In function ‘main’: bug-strncat1.c:14:3: error: ‘__builtin___strncat_chk’ output truncated copying 1 byte from a string of length 2 [-Werror=stringop-truncation] 14 | strncat (d, "\5\6", 1); | ^ Checked on x86_64-linux-gnu. Reviewed-by: Carlos O'Donell <carlos@redhat.com>
* nscd: Use errval, not errno to guide cache update (bug 30662)Florian Weimer2023-07-242-2/+2
| | | | | | | | | The errno variable is potentially clobbered by the preceding send call. It is not related to the to-be-cached information. The parallel code in hstcache.c and servicescache.c already uses errval. Reviewed-by: Siddhesh Poyarekar <siddhesh@sourceware.org>
* Restore lookup of IPv4 mapped addresses in files database (bug 25457)Andreas Schwab2023-07-246-9/+128
| | | | | This was broken by commit 9c02d0784d ("nss_files: Remove RES_USE_INET6 from hosts processing"), which removed too much.
* Revert "MIPS: Sync elf.h from binutils"Andreas K. Hüttel2023-07-221-137/+3
| | | | | | | | | Leads to build failures (preprocessor redefinitions), and there is not enough time to address this properly. Deferred until after 2.38 release. This reverts commit 59dc07637fa1a693bd7599a98b0735697544077b. Signed-off-by: Andreas K. Hüttel <dilfridge@gentoo.org>
* riscv: Update rvd libm test ulpsAurelien Jarno2023-07-221-0/+1
| | | | | | | | Generated on a VisionFive 2 board running Linux version 6.4.2 and GCC 13.1.0. Needed due to commit cf7ffdd8a5f6 ("added pair of inputs for hypotf in binary32").
* MIPS: Sync elf.h from binutilsYing Huang2023-07-221-3/+137
| | | | | | | | Add new definitions for the MIPS target, specifically: relocation types, machine flags, section type names, and object attribute tags and values. On MIPS64, up to three relocations may be specified within r_info, by the r_type, r_type2, and r_type3 fields, so add new macros to get the respective reloc types for MIPS64.
* Merge translations (bg, hr, pl, sv)Andreas K. Hüttel2023-07-224-10/+106
| | | | Signed-off-by: Andreas K. Hüttel <dilfridge@gentoo.org>
* nptl: Unconditionally use a 32-byte rseq areaFlorian Weimer2023-07-211-4/+14
| | | | | | | If the kernel headers provide a larger struct rseq, we used that size as the argument to the rseq system call. As a result, rseq registration would fail on older kernels which only accept size 32.
* hurd: Fix tst-openlocSamuel Thibault2023-07-201-1/+2
| | | | | | | On GNU/Hurd, O_RDWR actually is O_WRONLY|O_RDONLY, so checking through bitness really is wrong. O_ACCMODE is there for this. Fixes: 5324d258427f ("fileops: Don't process ,ccs= as individual mode flags (BZ#18906)")
* scripts: Fix fortify checks if compiler does not support _FORTIFY_SOURCE=3Adhemerval Zanella2023-07-205-30/+30
| | | | | | | | | | | | The 30379efad1 added _FORTIFY_SOURCE checks without check if compiler does support all used fortify levels. This patch fixes it by first checking at configure time the maximum support fortify level and using it instead of a pre-defined one. Checked on x86_64 with gcc 11, 12, and 13. Reviewed-by: Siddhesh Poyarekar <siddhesh@sourceware.org> Tested-by: Florian Weimer <fweimer@redhat.com>
* configure: Disable building libcrypt by defaultSiddhesh Poyarekar2023-07-206-27/+40
| | | | | | | | | | | | We mentioned eventual dropping of libcrypt in the 2.28 NEWS. Actually put that plan in motion by first disabling building libcrypt by default. note in NEWS that the library will be dropped completely in a future release. Also add a couple of builds into build-many-glibcs.py. Signed-off-by: Siddhesh Poyarekar <siddhesh@sourceware.org> Reviewed-by: Andreas K. Hüttel <dilfridge@gentoo.org>
* nptl: Make tst-tls3mod.so explicitly lazyArsen Arsenović2023-07-201-0/+1
| | | | | | | | | | | | Fixes the following test-time errors, that lead to FAILs, on toolchains that set -z now out o the box, such as the one used on Gentoo Hardened: .../build-x86-x86_64-pc-linux-gnu-nptl $ grep '' nptl/tst-tls3*.out nptl/tst-tls3.out:dlopen failed nptl/tst-tls3-malloc.out:dlopen failed Reviewed-by: Florian Weimer <fweimer@redhat.com> Signed-off-by: Andreas K. Hüttel <dilfridge@gentoo.org>
* make ‘struct pthread’ a complete typePaul Eggert2023-07-191-4/+4
| | | | | | | | * nptl/descr.h (struct pthread): Remove end_padding member, which made this type incomplete. (PTHREAD_STRUCT_END_PADDING): Stop using end_padding. Reviewed-by: Siddhesh Poyarekar <siddhesh@sourceware.org>
* scripts: Add fortify checks on installed headersAdhemerval Zanella2023-07-191-13/+23
| | | | | | | | | | The _FORTIFY_SOURCE is used as default by some system compilers, and there is no way to check if some fortify extension does not trigger any conformance issue. Checked on x86_64-linux-gnu. Reviewed-by: Carlos O'Donell <carlos@redhat.com>
* Update x86_64 libm-test-ulps (x32 ABI)Andreas K. Hüttel2023-07-191-13/+14
| | | | | | | | | Based on feedback by Mike Gilbert <floppym@gentoo.org> Linux-6.1.38-dist x86_64 AMD Phenom-tm- II X6 1055T Processor -march=amdfam10 failures occur for x32 ABI Signed-off-by: Andreas K. Hüttel <dilfridge@gentoo.org>
* Fix getting return address in elf/tst-audit28.c.Stefan Liebler2023-07-191-6/+13
| | | | | | | | | | | | | | | Starting with commit 1bcfe0f732066ae5336b252295591ebe7e51c301, the test was enhanced and the object for __builtin_return_address (0) is searched with _dl_find_object. Unfortunately on e.g. s390 (31bit), a postprocessing step is needed as the highest bit has to be masked out. This can be done with __builtin_extract_return_addr. Without this postprocessing, _dl_find_object returns with -1 and the content of dlfo is invalid, which may lead to segfaults in basename. Therefore those checks are now only done on success. Reviewed-by: Florian Weimer <fweimer@redhat.com>
* [PATCH v1] x86: Use `3/4*sizeof(per-thread-L3)` as low bound for NT threshold.Noah Goldstein2023-07-181-3/+12
| | | | | | | | | On some machines we end up with incomplete cache information. This can make the new calculation of `sizeof(total-L3)/custom-divisor` end up lower than intended (and lower than the prior value). So reintroduce the old bound as a lower bound to avoid potentially regressing code where we don't have complete information to make the decision. Reviewed-by: DJ Delorie <dj@redhat.com>
* x86: Fix slight bug in `shared_per_thread` cache size calculation.Noah Goldstein2023-07-181-2/+2
| | | | | | | | | | | | | | | | | | | | | | | After: ``` commit af992e7abdc9049714da76cae1e5e18bc4838fb8 Author: Noah Goldstein <goldstein.w.n@gmail.com> Date: Wed Jun 7 13:18:01 2023 -0500 x86: Increase `non_temporal_threshold` to roughly `sizeof_L3 / 4` ``` Split `shared` (cumulative cache size) from `shared_per_thread` (cache size per socket), the `shared_per_thread` *can* be slightly off from the previous calculation. Previously we added `core` even if `threads_l2` was invalid, and only used `threads_l2` to divide `core` if it was present. The changed version only included `core` if `threads_l2` was valid. This change restores the old behavior if `threads_l2` is invalid by adding the entire value of `core`. Reviewed-by: DJ Delorie <dj@redhat.com>
* Update i686 libm-test-ulps (again)Andreas K. Hüttel2023-07-191-1/+1
| | | | | | | | Based on feedback by Arsen Arsenović <arsen@gentoo.org> Linux-6.1.38-gentoo-dist-hardened x86_64 AMD Ryzen 7 3800X 8-Core Processor -march=x86-64-v2 Signed-off-by: Andreas K. Hüttel <dilfridge@gentoo.org>
* Update i686 libm-test-ulpsAndreas K. Hüttel2023-07-181-0/+1
| | | | Signed-off-by: Andreas K. Hüttel <dilfridge@gentoo.org>
* Merge translations (de, ro, uk, zh_TW)Andreas K. Hüttel2023-07-1838-5087/+5184
| | | | | | | Line numbers, version numbers, template date changed everywhere Nontrivial changes in de, ro, uk, zh_TW Signed-off-by: Andreas K. Hüttel <dilfridge@gentoo.org>
* Regenerate libc.potAndreas K. Hüttel2023-07-171-159/+183
| | | | Signed-off-by: Andreas K. Hüttel <dilfridge@gentoo.org>
* configure: Use autoconf 2.71Siddhesh Poyarekar2023-07-1772-2655/+4257
| | | | | | | | | | | | | | Bump autoconf requirement to 2.71 to allow regenerating configure on more recent distributions. autoconf 2.71 has been in Fedora since F36 and is the current version in Debian stable (bookworm). It appears to be current in Gentoo as well. All sysdeps configure and preconfigure scripts have also been regenerated; all changes are trivial transformations that do not affect functionality. Signed-off-by: Siddhesh Poyarekar <siddhesh@sourceware.org> Reviewed-by: Carlos O'Donell <carlos@redhat.com>
* Update sparc libm-test-ulpsAdhemerval Zanella2023-07-171-0/+1
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* s390: Add the clone3 wrapperAdhemerval Zanella2023-07-133-0/+157
| | | | | | | | | It follows the internal signature: extern int clone3 (struct clone_args *__cl_args, size_t __size, int (*__func) (void *__arg), void *__arg); Checked on s390x-linux-gnu and s390-linux-gnu.
* manual: Fix typos in struct dl_find_objectBert Wesarg2023-07-131-2/+2
| | | | | Signed-off-by: Bert Wesarg <bert.wesarg@googlemail.com> Reviewed-by: Florian Weimer <fweimer@redhat.com>
* sparc: Fix la_symbind for bind-now (BZ 23734)Adhemerval Zanella2023-07-129-14/+66
| | | | | | | | | | | | | | | | | | | | | The sparc ABI has multiple cases on how to handle JMP_SLOT relocations, (sparc_fixup_plt/sparc64_fixup_plt). For BINDNOW, _dl_audit_symbind will be responsible to setup the final relocation value; while for lazy binding _dl_fixup/_dl_profile_fixup will call the audit callback and tail cail elf_machine_fixup_plt (which will call sparc64_fixup_plt). This patch fixes by issuing the SPARC specific routine on bindnow and forwarding the audit value to elf_machine_fixup_plt for lazy resolution. It fixes the la_symbind for bind-now tests on sparc64 and sparcv9: elf/tst-audit24a elf/tst-audit24b elf/tst-audit24c elf/tst-audit24d Checked on sparc64-linux-gnu and sparcv9-linux-gnu. Tested-by: John Paul Adrian Glaubitz <glaubitz@physik.fu-berlin.de>
* i386: make debug wrappers compatible with static PIEAndreas Schwab2023-07-124-8/+8
| | | | Static PIE requires the use of PLT relocation.
* LoongArch: Fix soft-float bug about _dl_runtime_resolve{,lsx,lasx}caiyinyu2023-07-113-11/+9
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