glibc

Commit Graph

Author	SHA1	Message	Date
Adhemerval Zanella	fccf38c517	string: Add internal memswap implementation The prototype is: void __memswap (void restrict p1, void restrict p2, size_t n) The function swaps the content of two memory blocks P1 and P2 of len N. Memory overlap is NOT handled. It will be used on qsort optimization. Checked on x86_64-linux-gnu and aarch64-linux-gnu. Reviewed-by: Noah Goldstein <goldstein.w.n@gmail.com>	3 years ago
Adhemerval Zanella	e3397cae92	crypt: Remove manul entry for --enable-crypt	2 years ago
Joseph Myers	41488f6726	Use Linux 6.6 in build-many-glibcs.py This patch makes build-many-glibcs.py use Linux 6.6. Tested with build-many-glibcs.py (host-libraries, compilers and glibcs builds).	2 years ago
Adhemerval Zanella	e6e3c66688	crypt: Remove libcrypt support All the crypt related functions, cryptographic algorithms, and make requirements are removed, with only the exception of md5 implementation which is moved to locale folder since it is required by localedef for integrity protection (libc's locale-reading code does not check these, but localedef does generate them). Besides thec code itself, both internal documentation and the manual is also adjusted. This allows to remove both --enable-crypt and --enable-nss-crypt configure options. Checked with a build for all affected ABIs. Co-authored-by: Zack Weinberg <zack@owlfolio.org> Reviewed-by: Carlos O'Donell <carlos@redhat.com>	3 years ago
Adhemerval Zanella	bb2ff12abd	sparc: Remove optimize md5, sha256, and sha512 The libcrypt was maked to be phase out on 2.38, and a better project already exist that provide both compatibility and better API (libxcrypt). The sparc optimizations add the burden to extra build-many-glibcs.py configurations. Checked on sparc64 and sparcv9. Reviewed-by: Carlos O'Donell <carlos@redhat.com>	3 years ago
Adhemerval Zanella	1e6ecd21e8	build-many-glibcs: Fix traililing whitespace From commit `d846c28389`.	2 years ago
caiyinyu	dd53a60282	LoongArch: Delete excessively allocated memory.	2 years ago
caiyinyu	83c081f73e	LoongArch: Update hwcap.h to sync with LoongArch kernel.	2 years ago
caiyinyu	83e9576d41	LoongArch: Unify Register Names.	2 years ago
Wilco Dijkstra	2bd0017988	AArch64: Add support for MOPS memcpy/memmove/memset Add support for MOPS in cpu_features and INIT_ARCH. Add ifuncs using MOPS for memcpy, memmove and memset (use .inst for now so it works with all binutils versions without needing complex configure and conditional compilation). Reviewed-by: Szabolcs Nagy <szabolcs.nagy@arm.com>	2 years ago
Arjun Shankar	2f1c6652d7	Move getnameinfo from 'inet' to 'nss' getnameinfo is an entry points for nss functionality. This commit moves it from the 'inet' subdirectory to 'nss'. The corresponding Versions entry is also moved from 'posix' into 'nss'. Reviewed-by: Adhemerval Zanella <adhemerval.zanella@linaro.org>	3 years ago
Arjun Shankar	7f602256ab	Move getaddrinfo from 'posix' into 'nss' getaddrinfo is an entry point for nss functionality. This commit moves it from 'sysdeps/posix' to 'nss', gets rid of the stub in 'posix', and moves all associated tests as well. Reviewed-by: Adhemerval Zanella <adhemerval.zanella@linaro.org>	3 years ago
Arjun Shankar	1d74d2f042	Move 'services' routines from 'inet' into 'nss' The getservby* and getservent* routines are entry points for nss functionality. This commit moves them from the 'inet' subdirectory to 'nss'. Reviewed-by: Adhemerval Zanella <adhemerval.zanella@linaro.org>	3 years ago
Arjun Shankar	9b63a8ac40	Move 'rpc' routines from 'inet' into 'nss' The getrpcby* and getrpcent* routines are entry points for nss functionality. This commit moves them from the 'inet' subdirectory to 'nss'. The Versions entries for these routines along with a test, located in the 'sunrpc' subdirectory, are also moved into 'nss'. Reviewed-by: Adhemerval Zanella <adhemerval.zanella@linaro.org>	3 years ago
Arjun Shankar	a25a060c35	Move 'protocols' routines from 'inet' into 'nss' The getprotoby* and getprotoent* routines are entry points for nss functionality. This commit moves them from the 'inet' subdirectory to 'nss'. Reviewed-by: Adhemerval Zanella <adhemerval.zanella@linaro.org>	3 years ago
Arjun Shankar	5a6e784e64	Move 'networks' routines from 'inet' into 'nss' The getnetby* and getnetent* routines are entry points for nss functionality. This commit moves them from the 'inet' subdirectory to 'nss'. Reviewed-by: Adhemerval Zanella <adhemerval.zanella@linaro.org>	3 years ago
Arjun Shankar	3f7c7ac887	Move 'netgroup' routines from 'inet' into 'nss' These netgroup routines are entry points for nss functionality. This commit moves them along with netgroup.h from the 'inet' subdirectory to 'nss', and adjusts any references accordingly. Reviewed-by: Adhemerval Zanella <adhemerval.zanella@linaro.org>	3 years ago
Arjun Shankar	a7e8d0b90b	Move 'hosts' routines from 'inet' into 'nss' The gethostby* and gethostent* routines are entry points for nss functionality. This commit moves them from the 'inet' subdirectory to 'nss'. Reviewed-by: Adhemerval Zanella <adhemerval.zanella@linaro.org>	3 years ago
Arjun Shankar	1c40266328	Move 'ethers' routines from 'inet' into 'nss' ether_hostton and ether_ntohost are entry points for nss functionality. This commit moves them from the 'inet' subdirectory to 'nss', and adjusts any references accordingly. Reviewed-by: Adhemerval Zanella <adhemerval.zanella@linaro.org>	3 years ago
Arjun Shankar	4298586619	Move 'aliases' routines from 'inet' into 'nss' The aliases routines are entry points for nss functionality. This commit moves aliases.h and the aliases routines from the 'inet' subdirectory to 'nss', and adjusts any external references. Reviewed-by: Adhemerval Zanella <adhemerval.zanella@linaro.org>	3 years ago
Arjun Shankar	c6b577caef	Remove 'shadow' and merge into 'nss' The majority of shadow routines are entry points for nss functionality. This commit removes the 'shadow' subdirectory and moves all functionality and tests to 'nss'. References to shadow/ are accordingly changed. Reviewed-by: Adhemerval Zanella <adhemerval.zanella@linaro.org>	3 years ago
Arjun Shankar	0ac35d181e	Remove 'pwd' and merge into 'nss' The majority of pwd routines are entry points for nss functionality. This commit removes the 'pwd' subdirectory and moves all functionality and tests to 'nss'. References to pwd/ are accordingly changed. Reviewed-by: Adhemerval Zanella <adhemerval.zanella@linaro.org>	3 years ago
Arjun Shankar	98b107e308	Remove 'gshadow' and merge into 'nss' The majority of gshadow routines are entry points for nss functionality. This commit removes the 'gshadow' subdirectory and moves all functionality and tests to 'nss'. References to gshadow/ are accordingly changed. Reviewed-by: Adhemerval Zanella <adhemerval.zanella@linaro.org>	3 years ago
Arjun Shankar	b121fdc552	Remove 'grp' and merge into 'nss' and 'posix' The majority of grp routines are entry points for nss functionality. This commit removes the 'grp' subdirectory and moves all nss-relevant functionality and all tests to 'nss', and the 'setgroups' stub into 'posix' (alongside the 'getgroups' stub). References to grp/ are accordingly changed. In addition, compat-initgroups.c, a fallback implementation of initgroups is renamed to initgroups-fallback.c so that the build system does not confuse it for nss_compat/compat-initgroups.c. Build time improves very slightly; e.g. down from an average of 45.5s to 44.5s on an 8-thread mobile x86_64 CPU. Reviewed-by: Adhemerval Zanella <adhemerval.zanella@linaro.org>	3 years ago
Adhemerval Zanella	83d13972f2	malloc: Fix tst-tcfree3 build csky-linux-gnuabiv2 with fortify source With gcc 13.1 with --enable-fortify-source=2, tst-tcfree3 fails to build on csky-linux-gnuabiv2 with: ../string/bits/string_fortified.h: In function ‘do_test’: ../string/bits/string_fortified.h:26:8: error: inlining failed in call to ‘always_inline’ ‘memcpy’: target specific option mismatch 26 \| __NTH (memcpy (void __restrict __dest, const void __restrict __src, \| ^~~~~~ ../misc/sys/cdefs.h:81:62: note: in definition of macro ‘__NTH’ 81 \| # define __NTH(fct) __attribute__ ((__nothrow__ __LEAF)) fct \| ^~~ tst-tcfree3.c:45:3: note: called from here 45 \| memcpy (c, a, 32); \| ^~~~~~~~~~~~~~~~~ Instead of relying on -O0 to avoid malloc/free to be optimized away, disable the builtin. Reviewed-by: DJ Delorie <dj@redhat.com>	2 years ago
Simon Chopin	97290559c3	test-container: disable ld.so system cache on DSO detection When building the testroot, the script runs the newly built ld.so on a couple of binaries in order to copy over any additional libraries needed. However, if the dependencies are found in the system cache, it will be copied over using that path. This is problematic if the system ld.so and the one built don't have the exact same search configuration. We encountered this in Ubuntu, where we build a variant of libc with -fno-omit-frame-pointer for accurate performance profiling. This variant is built using a non-standard slibdir to be able to be co-installed with the default library (e.g. slibdir = /lib/libc6-prof). Since we have /lib pointing to /usr/lib, any additional dependency should still be reachable via /usr. However, resolving via the cache might result in the additional DSOs being copied into $testroot/lib, out of the search path in the container. The problem has been triggered by `1d5024f4f0` ("support: Build with exceptions and asynchronous unwind tables [BZ #30587]") which introduced a dependency on libgcc_s.so.1 under some circumstances. Downstream bug: https://bugs.launchpad.net/ubuntu/+source/glibc/+bug/2031495 Reviewed-by: Adhemerval Zanella <adhemerval.zanella@linaro.org>	3 years ago
Joe Ramsay	31aaf6fed9	aarch64: Add vector implementations of exp10 routines Double-precision routines either reuse the exp table (AdvSIMD) or use SVE FEXPA intruction.	3 years ago
Joe Ramsay	067a34156c	aarch64: Add vector implementations of log10 routines A table is also added, which is shared between AdvSIMD and SVE log10.	3 years ago
Joe Ramsay	a8e3ab3074	aarch64: Add vector implementations of log2 routines A table is also added, which is shared between AdvSIMD and SVE log2.	3 years ago
Joe Ramsay	b39e9db5e3	aarch64: Add vector implementations of exp2 routines Some routines reuse table from v_exp_data.c	3 years ago
Joe Ramsay	f554334c05	aarch64: Add vector implementations of tan routines This includes some utility headers for evaluating polynomials using various schemes.	3 years ago
Florian Weimer	2aa0974d25	elf: ldconfig should skip temporary files created by package managers This avoids crashes due to partially written files, after a package update is interrupted. Reviewed-by: Adhemerval Zanella <adhemerval.zanella@linaro.org>	2 years ago
Stefan Liebler	f5677d9ceb	tst-spawn-cgroup.c: Fix argument order of UNSUPPORTED message. The arguments for "expected" and "got" are mismatched. Furthermore this patch is dumping both values as hex. Reviewed-by: Adhemerval Zanella <adhemerval.zanella@linaro.org> Reviewed-by: Florian Weimer <fweimer@redhat.com>	2 years ago
Joseph Myers	1c1083a3e4	Add NT_PPC_DEXCR and NT_PPC_HASHKEYR from Linux 6.5 to elf.h Linux 6.5 adds constants NT_PPC_DEXCR and NT_PPC_HASHKEYR. Add these to glibc's elf.h. Tested for x86_64.	2 years ago
Stefan Liebler	97a58d885b	s390: Fix undefined behaviour in feenableexcept, fedisableexcept [BZ #30960 ] If feenableexcept or fedisableexcept gets excepts=FE_INVALID=0x80 as input, we have a signed left shift: 0x80 << 24 which is not representable as int and thus is undefined behaviour according to C standard. This patch casts excepts as unsigned int before shifting, which is defined. For me, the observed undefined behaviour is that the shift is done with "unsigned"-instructions, which is exactly what we want. Furthermore, I don't get any exception-flags. After the fix, the code is using the same instruction sequence as before.	2 years ago
Adhemerval Zanella	c06e10c813	elf: Do not print the cache entry if --inhibit-cache is used So --help informs the correct shared library search path. Reviewed-by: Florian Weimer <fweimer@redhat.com>	2 years ago
Florian Weimer	dd32e1db38	Revert "elf: Always call destructors in reverse constructor order (bug 30785)" This reverts commit `6985865bc3`. Reason for revert: The commit changes the order of ELF destructor calls too much relative to what applications expect or can handle. In particular, during process exit and _dl_fini, after the revert commit, we no longer call the destructors of the main program first; that only happens after some dlopen'ed objects have been destructed. This robs applications of an opportunity to influence destructor order by calling dlclose explicitly from the main program's ELF destructors. A couple of different approaches involving reverse constructor order were tried, and none of them worked really well. It seems we need to keep the dependency sorting in _dl_fini. There is also an ambiguity regarding nested dlopen calls from ELF constructors: Should those destructors run before or after the object that called dlopen? Commit `6985865bc3` used reverse order of the start of ELF constructor calls for destructors, but arguably using completion of constructors is more correct. However, that alone is not sufficient to address application compatibility issues (it does not change _dl_fini ordering at all).	2 years ago
Florian Weimer	2ad9b674cf	Revert "elf: Fix compile error with -DNDEBUG [BZ #18755 ]" This reverts commit `964d15a007`. Reason for revert: Conflicts with revert of commit `6985865bc3`.	2 years ago
Sunil K Pandey	b316c9a769	Add strlcat/wcslcat testcase. This patch implements comprehensive tests for strlcat/wcslcat functions. Tests are mostly derived from strncat test suites and modified to incorporate strlcat/wcslcat specifications. Reviewed-by: DJ Delorie <dj@redhat.com>	3 years ago
Sunil K Pandey	23871292fb	Add strlcpy/wcslcpy testcase This patch implements comprehensive tests for strlcpy/wcslcpy functions. Tests are mostly derived from strncpy test suites and modified to incorporate strlcpy/wcslcpy specifications. Reviewed-by: DJ Delorie <dj@redhat.com>	3 years ago
Bruno Victal	3333eb55b7	Add LE DSCP code point from RFC-8622. Signed-off-by: Bruno Victal <mirai@makinata.eu> Reviewed-by: Florian Weimer <fweimer@redhat.com>	2 years ago
Joseph Myers	ff5d2abd18	Add HWCAP2_MOPS from Linux 6.5 to AArch64 bits/hwcap.h Linux 6.5 adds a new AArch64 HWCAP2 value, HWCAP2_MOPS. Add it to glibc's bits/hwcap.h. Tested with build-many-glibcs.py for aarch64-linux-gnu.	2 years ago
Joseph Myers	5ef608f364	Add SCM_SECURITY, SCM_PIDFD to bits/socket.h Linux 6.5 adds a constant SCM_PIDFD (recall that the non-uapi linux/socket.h, where this constant is added, is in fact a header providing many constants that are part of the kernel/userspace interface). This shows up that SCM_SECURITY, from the same set of definitions and added in Linux 2.6.17, is also missing from glibc, although glibc has the first two constants from this set, SCM_RIGHTS and SCM_CREDENTIALS; add both missing constants to glibc. Tested for x86_64.	2 years ago
Joseph Myers	2399ab0d20	Add AT_HANDLE_FID from Linux 6.5 to bits/fcntl-linux.h Linux 6.5 adds a constant AT_HANDLE_FID; add it to glibc. Because this is a flag for the function name_to_handle_at declared in bits/fcntl-linux.h, put the flag there rather than alongside other AT_* flags in (OS-independent) fcntl.h. Tested for x86_64.	2 years ago
Andreas Schwab	5aa1ddfcb3	Avoid maybe-uninitialized warning in __kernel_rem_pio2 With GCC 14 on 32-bit x86 the compiler emits a maybe-uninitialized warning: ../sysdeps/ieee754/dbl-64/k_rem_pio2.c: In function '__kernel_rem_pio2': ../sysdeps/ieee754/dbl-64/k_rem_pio2.c:364:20: error: 'fq' may be used uninitialized [-Werror=maybe-uninitialized] 364 \| y[0] = fq[0]; y[1] = fq[1]; y[2] = fw; \| ~~^~~ This is similar to the warning that is suppressed in the other branch of the switch. Help the compiler knowing that the variable is always initialized, which also makes the suppression obsolete.	3 years ago
Stefan Liebler	4a829d70ab	Fix WAIT_FOR_DEBUGGER for container tests. For container tests, gdb needs to set the sysroot to the corresponding testroot.root directory. The assumption was that PIDs < 3 means that we are running within a container. Starting with commit `2fe64148a8` "Allow for unpriviledged nested containers", the default is to use the PID namespace of the parent. Thus support_test_main.c does not recognize our container anymore. This patch now assumes that we are running inside a container if test-container.c has set PID_OUTSIDE_CONTAINER and always uses this PID independent of having a new PID namespace or not. Reviewed-by: Adhemerval Zanella <adhemerval.zanella@linaro.org>	3 years ago
Andreas Schwab	69239bd7a2	stdlib: fix grouping verification with multi-byte thousands separator (bug 30964) The grouping verification only worked for a single-byte thousands separator. With a multi-byte separator it returned as if no separators were present. The actual parsing in str_to_mpn will then go wrong when there are multiple adjacent multi-byte separators in the number.	3 years ago
DJ Delorie	d846c28389	build-many-glibcs: Check for required system tools Notes for future devs: * Add tools as you find they're needed, with version 0,0 * Bump version when you find an old tool that doesn't work * Don't add a version just because you know it works Co-authored-by: Lukasz Majewski <lukma@denx.de> Co-authored-by: Adhemerval Zanella Netto <adhemerval.zanella@linaro.org>	3 years ago
Noah Goldstein	a3c50bf46a	x86: Prepare `strrchr-evex` and `strrchr-evex512` for AVX10 This commit refactors `strrchr-evex` and `strrchr-evex512` to use a common implementation: `strrchr-evex-base.S`. The motivation is `strrchr-evex` needed to be refactored to not use 64-bit masked registers in preperation for AVX10. Once vec-width masked register combining was removed, the EVEX and EVEX512 implementations can easily be implemented in the same file without any major overhead. The net result is performance improvements (measured on TGL) for both `strrchr-evex` and `strrchr-evex512`. Although, note there are some regressions in the test suite and it may be many of the cases that make the total-geomean of improvement/regression across bench-strrchr are cold. The point of the performance measurement is to show there are no major regressions, but the primary motivation is preperation for AVX10. Benchmarks where taken on TGL: https://www.intel.com/content/www/us/en/products/sku/213799/intel-core-i711850h-processor-24m-cache-up-to-4-80-ghz/specifications.html EVEX geometric_mean(N=5) of all benchmarks New / Original : 0.74 EVEX512 geometric_mean(N=5) of all benchmarks New / Original: 0.87 Full check passes on x86.	3 years ago
Joe Ramsay	5a4b6f8e4b	aarch64: Optimise vecmath logs * Transpose table layout for improved memory access * Use half-vector special comparisons for AdvSIMD * Improve register use near special-case branches - Due to the presence of a function call, return value would get mov-d out of x0 in order to facilitate PCS. By moving the final computation after the branch this can be avoided Also change SVE routines to use overloaded intrinsics for readability.	3 years ago

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