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2024-09-25arc: Remove HAVE_ARC_BE macro and disable big-endian portFlorian Weimer1-3/+0
It is no longer needed, now that ARC is always little endian.
2024-07-16Add pthread_getname_np and pthread_setname_np for HurdFlavio Cruz1-0/+6
We use thread_get_name and thread_set_name to get and set the thread name, so nothing is stored in the thread structure since these functions are supposed to be called sparingly. One notable difference with Linux is that the thread name is up to 32 chars, whereas Linux's is 16. Also added a mach_RPC_CHECK to check for the existing of gnumach RPCs.
2024-05-15LoongArch: Add support for TLS Descriptorsmengqinggang1-0/+3
This is mostly based on AArch64 and RISC-V implementation. Add R_LARCH_TLS_DESC32 and R_LARCH_TLS_DESC64 relocations. For _dl_tlsdesc_dynamic function slow path, temporarily save and restore all vector registers.
2024-04-24x86: Define MINIMUM_X86_ISA_LEVEL in config.h [BZ #31676]H.J. Lu1-0/+3
Define MINIMUM_X86_ISA_LEVEL at configure time to avoid /usr/bin/ld: …/build/elf/librtld.os: in function `init_cpu_features': …/git/elf/../sysdeps/x86/cpu-features.c:1202: undefined reference to `_dl_runtime_resolve_fxsave' /usr/bin/ld: …/build/elf/librtld.os: relocation R_X86_64_PC32 against undefined hidden symbol `_dl_runtime_resolve_fxsave' can not be used when making a shared object /usr/bin/ld: final link failed: bad value collect2: error: ld returned 1 exit status when glibc is built with -march=x86-64-v3 and configured with --with-rtld-early-cflags=-march=x86-64, which is used to allow ld.so to print an error message on unsupported CPUs: Fatal glibc error: CPU does not support x86-64-v3 This fixes BZ #31676. Reviewed-by: Sunil K Pandey <skpgkp2@gmail.com>
2024-04-07timezone: sync to TZDB 2024aPaul Eggert1-4/+0
Sync tzselect, zdump, zic to TZDB 2024a. This patch incorporates the following TZDB source code changes, listed roughly in descending order of importance. zic now supports links to links, needed for future tzdata zic now defaults to '-b slim' zic now updates output files atomically zic has new options -R, -l -, -p - zic -r now uses -00 for unspecified timestamps zdump now uses [lo,hi) for both -c and -t Fix several integer overflow bugs zic now checks input bytes more carefully Simplify and fix new TZDIR setup Default time_t to 64 bits on glibc 2.34+ 32-bit zic now generates TZ strings that conform to POSIX when all-year DST zic -v now shows extreme-int tm_year transitions Fix zic bug in last time type of Asia/Gaza etc. Fix zic bug with Palestine after 2075 Fix bug uncovered by recent change to Iran history Fix 'zic -b fat' bug with Port Moresby 32-bit data Fix zic bug with -r @X where X is deduced from TZ Fix bug with zic -r cutoff before 1st transition Fix leap second expiry and truncation Fix zic bug on Linux 2.6.16 and 2.6.17 Fix bug with 'zic -d /a/b/c' if /a is unwriteable Don't mistruncate TZif files at leap seconds Fix zdump undefined behavior if !USE_LTZ zdump -v reports localtime+gmtime failures better Fix zdump diagnostic for missing timezone Don't assume nonempty argv Port better to C23 Do not assume negative >> behavior I18nize zdump a bit better Port zdump to right_only installations New tzselect menu option 'now' tzselect can now use current time to help choose Improve tzselect behavior for Turkey etc. tzselect: do not create temporary files tzselect: work around mawk bug with {2,} tzselect: Port to POSIX awk, which prohibits -v newlines Do not use empty RE in tzselect Don't set TZ in tzselect Avoid sed, expr in tzselect tzselect: Fix problems with spaces in TZDIR Improve tzselect diagnostics Remove zic workaround for Qt bug 53071 Remove zic support for "min" in Rule lines Remove zic support for zic -y, Rule TYPEs, pacificnew Remove tzselect workaround for Bash 1.14.7 bug * SHARED-FILES: Update to match current sync. * config.h.in (HAVE_STRERROR): Remove; no longer needed. * timezone/Makefile ($(objpfx)zic.o): Depend on tzdir.h. ($(objpfx)tzdir.h): New rule to build a placeholder. * timezone/private.h, timezone/tzfile.h, timezone/version: * timezone/zdump.c, timezone/zic.c: Copy verbatim from TZDB 2024a.
2024-04-06x86-64: Exclude FMA4 IFUNC functions for -mapxfH.J. Lu1-0/+3
When -mapxf is used to build glibc, the resulting glibc will never run on FMA4 machines. Exclude FMA4 IFUNC functions when -mapxf is used. This requires GCC which defines __APX_F__ for -mapxf with commit: 1df56719bd8 x86: Define __APX_F__ for -mapxf Reviewed-by: Sunil K Pandey <skpgkp2@gmail.com>
2024-03-19arm: Update _dl_tlsdesc_dynamic to preserve caller-saved registers (BZ 31372)Adhemerval Zanella1-0/+3
ARM _dl_tlsdesc_dynamic slow path has two issues: * The ip/r12 is defined by AAPCS as a scratch register, and gcc is used to save the stack pointer before on some function calls. So it should also be saved/restored as well. It fixes the tst-gnu2-tls2. * None of the possible VFP registers are saved/restored. ARM has the additional complexity to have different VFP bank sizes (depending of VFP support by the chip). The tst-gnu2-tls2 test is extended to check for VFP registers, although only for hardfp builds. Different than setcontext, _dl_tlsdesc_dynamic does not have HWCAP_ARM_IWMMXT (I don't have a way to properly test it and it is almost a decade since newer hardware was released). With this patch there is no need to mark tst-gnu2-tls2 as XFAIL. Checked on arm-linux-gnueabihf. Reviewed-by: H.J. Lu <hjl.tools@gmail.com>
2024-02-17Use proc_getchildren_rusage when available in getrusage and times.Flavio Cruz1-0/+3
Message-ID: <20240217164846.1837223-1-flaviocruz@gmail.com>
2023-08-14LoongArch: Add minuimum binutils required versiondengjianbo1-5/+0
LoongArch glibc can add some LASX/LSX vector instructions codes, change the required minimum binutils version to 2.41 which could support vector instructions. HAVE_LOONGARCH_VEC_ASM is removed accordingly.
2023-07-11LoongArch: config: Added HAVE_LOONGARCH_VEC_ASM.caiyinyu1-0/+5
This patch checks if assembler supports vector instructions to generate LASX/LSX code or not, and then define HAVE_LOONGARCH_VEC_ASM macro We have added support for vector instructions in binutils-2.41 See: https://sourceware.org/git/?p=binutils-gdb.git;a=commit;h=75b2f521b101d974354f6ce9ed7c054d8b2e3b7a commit 75b2f521b101d974354f6ce9ed7c054d8b2e3b7a Author: mengqinggang <mengqinggang@loongson.cn> Date: Thu Jun 22 10:35:28 2023 +0800 LoongArch: gas: Add lsx and lasx instructions support gas/ChangeLog: * config/tc-loongarch.c (md_parse_option): Add lsx and lasx option. (loongarch_after_parse_args): Add lsx and lasx option. opcodes/ChangeLog: * loongarch-opc.c (struct loongarch_ase): Add lsx and lasx instructions.
2023-05-11Stop checking if MiG supports retcode.Flavio Cruz1-3/+0
We already did the same change for Hurd (https://git.savannah.gnu.org/cgit/hurd/hurd.git/commit/?id=ef5924402864ef049f40a39e73967628583bc1a4) Due to MiG requiring the subsystem to be defined early in order to know the size of a port, this was causing a division by zero error during ./configure. We could have just move subsystem to the top of the snippet, however it is simpler to just remove the check given that we have no plans to use some other MiG anyway. HAVE_MIG_RETCODE is removed completely since this will be a no-op either way (compiling against old Hurd headers will work the same, new Hurd headers will result in the same stubs since retcode is a no-op). Message-Id: <ZFspor91aoMwbh9T@jupiter.tail36e24.ts.net>
2023-03-29Remove --enable-tunables configure optionAdhemerval Zanella Netto1-3/+0
And make always supported. The configure option was added on glibc 2.25 and some features require it (such as hwcap mask, huge pages support, and lock elisition tuning). It also simplifies the build permutations. Changes from v1: * Remove glibc.rtld.dynamic_sort changes, it is orthogonal and needs more discussion. * Cleanup more code. Reviewed-by: Siddhesh Poyarekar <siddhesh@sourceware.org>
2023-02-07C-SKY: Strip hard float abi from hard float feature.quxm1-1/+4
The hard float abi and hard float are different, Hard float abi: Use float register to pass float type arguments. Hard float: Enable the hard float ISA feature. So the with_fp_cond cannot represent these two features. When -mfloat-abi=softfp, the float abi is soft and hard float is enabled. So add 'with_hard_float_abi' in preconfigure and define 'CSKY_HARD_FLOAT_ABI' if float abi is hard, and use 'CSKY_HARD_FLOAT_ABI' to determine dynamic linker because it is what determines compatibility. And with_fp_cond is still needed to tell glibc whether to enable hard floating feature. In addition, use AC_TRY_COMMAND to test gcc to ensure compatibility between different versions of gcc. The original way has a problem that __CSKY_HARD_FLOAT_FPU_SF__ means the target only has single hard float-points ISA, so it's not defined in CPUs like ck810f. Reviewed-by: Adhemerval Zanella <adhemerval.zanella@linaro.org>
2022-07-26LoongArch: Add LoongArch entries to config.h.incaiyinyu1-0/+6
2022-05-16Remove kernel version checkAdhemerval Zanella1-0/+3
The kernel version check is used to avoid glibc to run on older kernels where some syscall are not available and fallback code are not enabled to handle graciously fail. However, it does not prevent if the kernel does not correctly advertise its version through vDSO note, uname or procfs. Also kernel version checks are sometime not desirable by users, where they want to deploy on different system with different kernel version knowing the minimum set of syscall is always presented on such systems. The kernel version check has been removed along with the LD_ASSUME_KERNEL environment variable. The minimum kernel used to built glibc is still provided through NT_GNU_ABI_TAG ELF note and also printed when libc.so is issued. Checked on x86_64-linux-gnu.
2022-05-02powerpc32: Remove unused HAVE_PPC_SECURE_PLTFangrui Song1-3/+0
82a79e7d1843f9d90075a0bf2f04557040829bb0 removed the only user of HAVE_PPC_SECURE_PLT. Reviewed-by: Florian Weimer <fweimer@redhat.com>
2022-04-26elf: Replace PI_STATIC_AND_HIDDEN with opposite HIDDEN_VAR_NEEDS_DYNAMIC_RELOCFangrui Song1-3/+3
PI_STATIC_AND_HIDDEN indicates whether accesses to internal linkage variables and hidden visibility variables in a shared object (ld.so) need dynamic relocations (usually R_*_RELATIVE). PI (position independent) in the macro name is a misnomer: a code sequence using GOT is typically position-independent as well, but using dynamic relocations does not meet the requirement. Not defining PI_STATIC_AND_HIDDEN is legacy and we expect that all new ports will define PI_STATIC_AND_HIDDEN. Current ports defining PI_STATIC_AND_HIDDEN are more than the opposite. Change the configure default. No functional change. Reviewed-by: Adhemerval Zanella <adhemerval.zanella@linaro.org>
2022-04-04Remove -z combreloc and HAVE_Z_COMBRELOCFangrui Song1-3/+0
-z combreloc has been the default regadless of the architecture since binutils commit f4d733664aabd7bd78c82895e030ec9779a92809 (2002). The configure check added in commit fdde83499a05 (2001) has long been unneeded. We can therefore treat HAVE_Z_COMBRELOC as always 1 and delete dead code paths in dl-machine.h files (many were copied from commit a711b01d34ca and ee0cb67ec238). Reviewed-by: Adhemerval Zanella <adhemerval.zanella@linaro.org>
2022-01-13i386: Remove broken CAN_USE_REGISTER_ASM_EBP (bug 28771)Florian Weimer1-4/+0
The configure check for CAN_USE_REGISTER_ASM_EBP tried to compile a simple function that uses %ebp as an inline assembly operand. If compilation failed, CAN_USE_REGISTER_ASM_EBP was set 0, which eventually had these consequences: (1) %ebx was avoided as an inline assembly operand, with an assembler macro hack to avoid unnecessary register moves. (2) %ebp was avoided as an inline assembly operand, using an out-of-line syscall function for 6-argument system calls. (1) is no longer needed for any GCC version that is supported for building glibc. %ebx can be used directly as a register operand. Therefore, this commit removes the %ebx avoidance completely. This avoids the assembler macro hack, which turns out to be incompatible with the current Systemtap probe macros (which switch to .altmacro unconditionally). (2) is still needed in many build configurations. The existing configure check cannot really capture that because the simple function succeeds to compile, while the full glibc build still fails. Therefore, this commit removes the check, the CAN_USE_REGISTER_ASM_EBP macro, and uses the out-of-line syscall function for 6-argument system calls unconditionally. Reviewed-by: H.J. Lu <hjl.tools@gmail.com>
2021-12-13Replace --enable-static-pie with --disable-default-pieSiddhesh Poyarekar1-0/+3
Build glibc programs and tests as PIE by default and enable static-pie automatically if the architecture and toolchain supports it. Also add a new configuration option --disable-default-pie to prevent building programs as PIE. Only the following architectures now have PIE disabled by default because they do not work at the moment. hppa, ia64, alpha and csky don't work because the linker is unable to handle a pcrel relocation generated from PIE objects. The microblaze compiler is currently failing with an ICE. GNU hurd tries to enable static-pie, which does not work and hence fails. All these targets have default PIE disabled at the moment and I have left it to the target maintainers to enable PIE on their targets. build-many-glibcs runs clean for all targets. I also tested x86_64 on Fedora and Ubuntu, to verify that the default build as well as --disable-default-pie work as expected with both system toolchains. Signed-off-by: Siddhesh Poyarekar <siddhesh@sourceware.org> Reviewed-by: Adhemerval Zanella <adhemerval.zanella@linaro.org>
2021-12-04Add --with-timeoutfactor=NUM to specify TIMEOUTFACTORH.J. Lu1-0/+3
On Ice Lake and Tiger Lake laptops, some test programs timeout when there are 3 "make check -j8" runs in parallel. Add --with-timeoutfactor=NUM to specify an integer to scale the timeout of test programs, which can be overriden by TIMEOUTFACTOR environment variable. Reviewed-by: Florian Weimer <fweimer@redhat.com>
2021-10-11elf: Remove Intel MPX support (lazy PLT, ld.so profile, and LD_AUDIT)Fangrui Song1-3/+0
Intel MPX failed to gain wide adoption and has been deprecated for a while. GCC 9.1 removed Intel MPX support. Linux kernel removed MPX in 2019. This patch removes the support code from the dynamic loader. Reviewed-by: H.J. Lu <hjl.tools@gmail.com>
2021-08-24x86-64: Remove assembler AVX512DQ checkH.J. Lu1-3/+0
The minimum GNU binutils requirement is 2.25 which supports AVX512DQ. Remove assembler AVX512DQ check.
2021-08-24x86-64: Remove compiler -mavx512f checkH.J. Lu1-3/+0
The minimum GCC requirement is GCC 6.2 which supports -mavx512f. Remove compiler -mavx512f check. Tested with GCC 6.4.1 on Linux/x86-64.
2021-08-10elf: Unconditionally use __ehdr_startFangrui Song1-3/+0
We can consider __ehdr_start (from binutils 2.23 onwards) unconditionally supported, since configure.ac requires binutils>=2.25. The configure.ac check is related to an ia64 bug fixed by binutils 2.24. See https://sourceware.org/pipermail/libc-alpha/2014-August/053503.html Tested on x86_64-linux-gnu. Tested build-many-glibcs.py with aarch64-linux-gnu and s390x-linux-gnu. Reviewed-by: Szabolcs Nagy <szabolcs.nagy@arm.com>
2021-06-10Add build option to disable usage of scv on powerpcMatheus Castanho1-0/+3
Commit 68ab82f56690ada86ac1e0c46bad06ba189a10ef added support for the scv syscall ABI on powerpc. Since then systems that have kernel and processor support started using scv. However adding the proper support for a new syscall ABI requires changes to several other projects (e.g. qemu, valgrind, strace, kernel), which are gradually receiving support. Meanwhile, having a way to disable scv on glibc at build time can be useful for distros that may encounter conflicts with projects that still do not support the scv ABI, buying time until proper support is added. This commit adds a --disable-scv option that disables scv support and uses sc for all syscalls, like before commit 68ab82f56690ada86ac1e0c46bad06ba189a10ef. Reviewed-by: Raphael M Zinsly <rzinsly@linux.ibm.com>
2021-05-26config: Added HAVE_AARCH64_SVE_ASM for aarch64Naohiro Tamura1-0/+5
This patch checks if assembler supports '-march=armv8.2-a+sve' to generate SVE code or not, and then define HAVE_AARCH64_SVE_ASM macro.
2021-05-19Remove --enable-stackguard-randomization (BZ #27872)Adhemerval Zanella1-3/+0
Last ENABLE_STACKGUARD_RANDOMIZE usage was removed by 4a103975c4.
2021-05-03Add pthread-in-libc, libpthread-routines-var, librt-routines-varFlorian Weimer1-0/+3
These make variables can be used to add routines to different libraries for the Hurd and Linux builds. Reviewed-by: Carlos O'Donell <carlos@redhat.com> Tested-by: Carlos O'Donell <carlos@redhat.com>
2021-04-26powerpc: Add log IFUNC multiarch support for POWER10Raphael Moreira Zinsly1-0/+3
Checked on ppc64le built without --with-cpu, with --with-cpu=power9 and with --disable-multi-arch. Reviewed-by: Matheus Castanho <msc@linux.ibm.com>
2021-04-16Set the retain attribute on _elf_set_element if CC supports [BZ #27492]Fangrui Song1-0/+3
So that text_set_element/data_set_element/bss_set_element defined variables will be retained by the linker. Note: 'used' and 'retain' are orthogonal: 'used' makes sure the variable will not be optimized out; 'retain' prevents section garbage collection if the linker support SHF_GNU_RETAIN. GNU ld 2.37 and LLD 13 will support -z start-stop-gc which allow C identifier name sections to be GCed even if there are live __start_/__stop_ references. Without the change, there are some static linking problems, e.g. _IO_cleanup (libio/genops.c) may be discarded by ld --gc-sections, so stdout is not flushed on exit. Note: GCC may warning 'retain' attribute ignored while __has_attribute(retain) is 1 (https://gcc.gnu.org/bugzilla/show_bug.cgi?id=99587). Reviewed-by: H.J. Lu <hjl.tools@gmail.com>
2021-03-25Support for multiple versions in versioned_symbol, compat_symbolFlorian Weimer1-0/+4
This essentially folds compat_symbol_unique functionality into compat_symbol. This change eliminates the need for intermediate aliases for defining multiple symbol versions, for both compat_symbol and versioned_symbol. Some binutils versions do not suport multiple versions per symbol on some targets, so aliases are automatically introduced, similar to what compat_symbol_unique did. To reduce symbol table sizes, a configure check is added to avoid these aliases if they are not needed. The new mechanism works with data symbols as well as function symbols, due to the way an assembler-level redirect is used. It is not compatible with weak symbols for old binutils versions, which is why the definition of __malloc_initialize_hook had to be changed. This is not a loss of functionality because weak symbols do not matter to dynamic linking. The placeholder symbol needs repeating in nptl/libpthread-compat.c now that compat_symbol is used, but that seems more obvious than introducing yet another macro. A subtle difference was that compat_symbol_unique made the symbol global automatically. compat_symbol does not do this, so static had to be removed from the definition of __libpthread_version_placeholder. Reviewed-by: Adhemerval Zanella <adhemerval.zanella@linaro.org>
2021-03-06x86: Set minimum x86-64 level marker [BZ #27318]H.J. Lu1-0/+6
Since the full ISA set used in an ELF binary is unknown to compiler, an x86-64 ISA level marker indicates the minimum, not maximum, ISA set required to run such an ELF binary. We never guarantee a library with an x86-64 ISA level v3 marker doesn't contain other ISAs beyond x86-64 ISA level v3, like AVX VNNI. We check the x86-64 ISA level marker for the minimum ISA set. Since -march=sandybridge enables only some ISAs in x86-64 ISA level v3, we should set the needed ISA marker to v2. Otherwise, libc is compiled with -march=sandybridge will fail to run on Sandy Bridge: $ ./elf/ld.so ./libc.so ./libc.so: (p) CPU ISA level is lower than required: needed: 7; got: 3 Set the minimum, instead of maximum, x86-64 ISA level marker should have no impact on the glibc-hwcaps directory assignment logic in ldconfig nor ld.so.
2021-01-21configure: Check for static PIE supportSzabolcs Nagy1-0/+3
Add SUPPORT_STATIC_PIE that targets can define if they support static PIE. This requires PI_STATIC_AND_HIDDEN support and various linker features as described in commit 9d7a3741c9e59eba87fb3ca6b9f979befce07826 Add --enable-static-pie configure option to build static PIE [BZ #19574] Currently defined on x86_64, i386 and aarch64 where static PIE is known to work. Reviewed-by: Adhemerval Zanella <adhemerval.zanella@linaro.org>
2021-01-07x86: Support GNU_PROPERTY_X86_ISA_1_V[234] marker [BZ #26717]H.J. Lu1-0/+3
GCC 11 supports -march=x86-64-v[234] to enable x86 micro-architecture ISA levels: https://gcc.gnu.org/bugzilla/show_bug.cgi?id=97250 and -mneeded to emit GNU_PROPERTY_X86_ISA_1_NEEDED property with GNU_PROPERTY_X86_ISA_1_V[234] marker: https://gitlab.com/x86-psABIs/x86-64-ABI/-/merge_requests/13 Binutils support for GNU_PROPERTY_X86_ISA_1_V[234] marker were added by commit b0ab06937385e0ae25cebf1991787d64f439bf12 Author: H.J. Lu <hjl.tools@gmail.com> Date: Fri Oct 30 06:49:57 2020 -0700 x86: Support GNU_PROPERTY_X86_ISA_1_BASELINE marker and commit 32930e4edbc06bc6f10c435dbcc63131715df678 Author: H.J. Lu <hjl.tools@gmail.com> Date: Fri Oct 9 05:05:57 2020 -0700 x86: Support GNU_PROPERTY_X86_ISA_1_V[234] marker GNU_PROPERTY_X86_ISA_1_NEEDED property in x86 ELF binaries indicate the micro-architecture ISA level required to execute the binary. The marker must be added by programmers explicitly in one of 3 ways: 1. Pass -mneeded to GCC. 2. Add the marker in the linker inputs as this patch does. 3. Pass -z x86-64-v[234] to the linker. Add GNU_PROPERTY_X86_ISA_1_BASELINE and GNU_PROPERTY_X86_ISA_1_V[234] marker support to ld.so if binutils 2.32 or newer is used to build glibc: 1. Add GNU_PROPERTY_X86_ISA_1_BASELINE and GNU_PROPERTY_X86_ISA_1_V[234] markers to elf.h. 2. Add GNU_PROPERTY_X86_ISA_1_BASELINE and GNU_PROPERTY_X86_ISA_1_V[234] marker to abi-note.o based on the ISA level used to compile abi-note.o, assuming that the same ISA level is used to compile the whole glibc. 3. Add isa_1 to cpu_features to record the supported x86 ISA level. 4. Rename _dl_process_cet_property_note to _dl_process_property_note and add GNU_PROPERTY_X86_ISA_1_V[234] marker detection. 5. Update _rtld_main_check and _dl_open_check to check loaded objects with the incompatible ISA level. 6. Add a testcase to verify that dlopen an x86-64-v4 shared object fails on lesser platforms. 7. Use <get-isa-level.h> in dl-hwcaps-subdirs.c and tst-glibc-hwcaps.c. Tested under i686, x32 and x86-64 modes on x86-64-v2, x86-64-v3 and x86-64-v4 machines. Marked elf/tst-isa-level-1 with x86-64-v4, ran it on x86-64-v3 machine and got: [hjl@gnu-cfl-2 build-x86_64-linux]$ ./elf/tst-isa-level-1 ./elf/tst-isa-level-1: CPU ISA level is lower than required [hjl@gnu-cfl-2 build-x86_64-linux]$
2020-12-21config: Allow memory tagging to be enabled when configuring glibcRichard Earnshaw1-0/+3
This patch adds the configuration machinery to allow memory tagging to be enabled from the command line via the configure option --enable-memory-tagging. The current default is off, though in time we may change that once the API is more stable.
2020-07-13Remove --enable-obsolete-rpc configure flagPetr Vorel1-4/+0
Sun RPC was removed from glibc. This includes rpcgen program, librpcsvc, and Sun RPC headers. Also test for bug #20790 was removed (test for rpcgen). Backward compatibility for old programs is kept only for architectures and ABIs that have been added in or before version 2.28. libtirpc is mature enough, librpcsvc and rpcgen are provided in rpcsvc-proto project. NOTE: libnsl code depends on Sun RPC (installed libnsl headers use installed Sun RPC headers), thus --enable-obsolete-rpc was a dependency for --enable-obsolete-nsl (removed in a previous commit). The arc ABI list file has to be updated because the port was added with the sunrpc symbols Tested-by: Carlos O'Donell <carlos@redhat.com> Reviewed-by: Carlos O'Donell <carlos@redhat.com>
2020-07-10ARC: Build InfrastructureVineet Gupta1-0/+3
Reviewed-by: Adhemerval Zanella <adhemerval.zanella@linaro.org>
2020-07-10powerpc64: Fix calls when r2 is not used [BZ #26173]Tulio Magno Quites Machado Filho1-0/+3
Teach the linker that __mcount_internal, __sigjmp_save_symbol, __syscall_error and __GI_exit do not use r2, so that it does not need to recover r2 after the call. Test at configure time if the assembler supports @notoc and define USE_PPC64_NOTOC.
2020-07-08Remove --enable-obsolete-nsl configure flagPetr Vorel1-4/+0
this means that *always* libnsl is only built as shared library for backward compatibility and the NSS modules libnss_nis and libnss_nisplus are not built at all, libnsl's headers aren't installed. This compatibility is kept only for architectures and ABIs that have been added in or before version 2.28. Replacement implementations based on TIRPC, which additionally support IPv6, are available from <https://github.com/thkukuk/>. This change does not affect libnss_compat which does not depended on libnsl since 2.27 and thus can be used without NIS. libnsl code depends on Sun RPC, e.g. on --enable-obsolete-rpc (installed libnsl headers use installed Sun RPC headers), which will be removed in the following commit.
2020-07-08aarch64: configure check for pac-ret code generationSzabolcs Nagy1-0/+3
Return address signing requires unwinder support, which is present in libgcc since >=gcc-7, however due to bugs the support may be broken in <gcc-10 (and similarly there may be issues in custom unwinders), so pac-ret is not always safe to use. So in assembly code glibc should only use pac-ret if the compiler uses it too. Unfortunately there is no predefined feature macro for it set by the compiler so pac-ret is inferred from the code generation. Reviewed-by: Adhemerval Zanella <adhemerval.zanella@linaro.org>
2020-07-08aarch64: configure test for BTI supportSzabolcs Nagy1-0/+3
Check BTI support in the compiler and linker. The check also requires READELF that understands the BTI GNU property note. It is expected to succeed with gcc >=gcc-9 configured with --enable-standard-branch-protection and binutils >=binutils-2.33. Note: passing -mbranch-protection=bti in CFLAGS when building glibc may not be enough to get a glibc that supports BTI because crtbegin* and crtend* provided by the compiler needs to be BTI compatible too. Reviewed-by: Adhemerval Zanella <adhemerval.zanella@linaro.org>
2020-05-18x86: Add --enable-cet=permissiveH.J. Lu1-0/+3
When CET is enabled, it is an error to dlopen a non CET enabled shared library in CET enabled application. It may be desirable to make CET permissive, that is disable CET when dlopening a non CET enabled shared library. With the new --enable-cet=permissive configure option, CET is disabled when dlopening a non CET enabled shared library. Add DEFAULT_DL_X86_CET_CONTROL to config.h.in: /* The default value of x86 CET control. */ #define DEFAULT_DL_X86_CET_CONTROL cet_elf_property which enables CET features based on ELF property note. --enable-cet=permissive it to /* The default value of x86 CET control. */ #define DEFAULT_DL_X86_CET_CONTROL cet_permissive which enables CET features permissively. Update tst-cet-legacy-5a, tst-cet-legacy-5b, tst-cet-legacy-6a and tst-cet-legacy-6b to check --enable-cet and --enable-cet=permissive.
2020-05-18Remove NO_CTORS_DTORS_SECTIONS macroFlorian Weimer1-3/+0
This was originally added to support binutils older than version 2.22: <https://sourceware.org/ml/libc-alpha/2010-12/msg00051.html> Since 2.22 is older than the minimum required binutils version for building glibc, we no longer need this. (The changes do not impact the statically linked startup code.)
2019-10-09sparc: Assume GOTDATA support in the toolchainFlorian Weimer1-3/+0
HAVE_GCC_GOTDATA has apparently never been used. Reviewed-by: Adhemerval Zanella <adhemerval.zanella@linaro.org>
2019-03-22S390: Add configure check to detect support for arch13.Stefan Liebler1-0/+6
Add two configure checks which detect if arch13 is supported by the assembler at all - by explicitely setting the machine - and if it is supported with default settings. ChangeLog: * config.h.in (HAVE_S390_MIN_ARCH13_ZARCH_ASM_SUPPORT, HAVE_S390_ARCH13_ASM_SUPPORT): New undefine. * sysdeps/s390/configure.ac: Add checks for arch13 support. * sysdeps/s390/configure: Regenerated.
2018-12-21Add C-SKY portMao Han1-0/+6
This patch add two abi combinations support for C-SKY ABIV2: soft-float little endian, hard float little endian. C-SKY ABI manual and architecture user guide are available from: https://github.com/c-sky/csky-doc * config.h.in (CSKYABI, CSKY_HARD_FLOAT): New Define. * scripts/build-many-glibcs.py: Add C-SKY targets. * sysdeps/csky/Implies: New file. * sysdeps/csky/Makefile: Likewise. * sysdeps/csky/abiv2/__longjmp.S: Likewise. * sysdeps/csky/abiv2/csky-mcount.S: Likewise. * sysdeps/csky/abiv2/dl-trampoline.S: Likewise. * sysdeps/csky/abiv2/memcmp.S: Likewise. * sysdeps/csky/abiv2/memcpy.S: Likewise. * sysdeps/csky/abiv2/memmove.S: Likewise. * sysdeps/csky/abiv2/memset.S: Likewise. * sysdeps/csky/abiv2/setjmp.S: Likewise. * sysdeps/csky/abiv2/start.S: Likewise. * sysdeps/csky/abiv2/strcmp.S: Likewise. * sysdeps/csky/abiv2/strcpy.S: Likewise. * sysdeps/csky/abiv2/strlen.S: Likewise. * sysdeps/csky/abiv2/tls-macros.h: Likewise. * sysdeps/csky/abort-instr.h: Likewise. * sysdeps/csky/atomic-machine.h: Likewise. * sysdeps/csky/bits/endian.h: Likewise. * sysdeps/csky/bits/fenv.h: Likewise. * sysdeps/csky/bits/link.h: Likewise. * sysdeps/csky/bits/setjmp.h: Likewise. * sysdeps/csky/bsd-_setjmp.S: Likewise. * sysdeps/csky/bsd-setjmp.S: Likewise. * sysdeps/csky/configure: Likewise. * sysdeps/csky/configure.ac: Likewise. * sysdeps/csky/dl-machine.h: Likewise. * sysdeps/csky/dl-procinfo.c: Likewise. * sysdeps/csky/dl-procinfo.h: Likewise. * sysdeps/csky/dl-sysdep.h: Likewise. * sysdeps/csky/dl-tls.h: Likewise. * sysdeps/csky/fpu/fclrexcpt.c: Likewise. * sysdeps/csky/fpu/fedisblxcpt.c: Likewise. * sysdeps/csky/fpu/feenablxcpt.c: Likewise. * sysdeps/csky/fpu/fegetenv.c: Likewise. * sysdeps/csky/fpu/fegetexcept.c: Likewise. * sysdeps/csky/fpu/fegetmode.c: Likewise. * sysdeps/csky/fpu/fegetround.c: Likewise. * sysdeps/csky/fpu/feholdexcpt.c: Likewise. * sysdeps/csky/fpu/fenv_libc.h: Likewise. * sysdeps/csky/fpu/fenv_private.h: Likewise. * sysdeps/csky/fpu/fesetenv.c: Likewise. * sysdeps/csky/fpu/fesetexcept.c: Likewise. * sysdeps/csky/fpu/fesetmode.c: Likewise. * sysdeps/csky/fpu/fesetround.c: Likewise. * sysdeps/csky/fpu/feupdateenv.c: Likewise. * sysdeps/csky/fpu/fgetexcptflg.c: Likewise. * sysdeps/csky/fpu/fix-fp-int-convert-overflow.h: Likewise. * sysdeps/csky/fpu/fraiseexcpt.c: Likewise. * sysdeps/csky/fpu/fsetexcptflg.c: Likewise. * sysdeps/csky/fpu/ftestexcept.c: Likewise. * sysdeps/csky/fpu/libm-test-ulps: Likewise. * sysdeps/csky/fpu/libm-test-ulps-name: Likewise. * sysdeps/csky/fpu_control.h: Likewise. * sysdeps/csky/gccframe.h: Likewise. * sysdeps/csky/jmpbuf-unwind.h: Likewise. * sysdeps/csky/ldsodefs.h: Likewise. * sysdeps/csky/libc-tls.c: Likewise. * sysdeps/csky/linkmap.h: Likewise. * sysdeps/csky/machine-gmon.h: Likewise. * sysdeps/csky/memusage.h: Likewise. * sysdeps/csky/nofpu/Implies: Likewise. * sysdeps/csky/nofpu/libm-test-ulps: Likewise. * sysdeps/csky/nofpu/libm-test-ulps-name: Likewise. * sysdeps/csky/nptl/Makefile: Likewise. * sysdeps/csky/nptl/bits/pthreadtypes-arch.h: Likewise. * sysdeps/csky/nptl/bits/semaphore.h: Likewise. * sysdeps/csky/nptl/pthread-offsets.h: Likewise. * sysdeps/csky/nptl/pthreaddef.h: Likewise. * sysdeps/csky/nptl/tcb-offsets.sym: Likewise. * sysdeps/csky/nptl/tls.h: Likewise. * sysdeps/csky/preconfigure: Likewise. * sysdeps/csky/sfp-machine.h: Likewise. * sysdeps/csky/sotruss-lib.c: Likewise. * sysdeps/csky/stackinfo.h: Likewise. * sysdeps/csky/sysdep.h: Likewise. * sysdeps/csky/tininess.h: Likewise. * sysdeps/csky/tst-audit.h: Likewise. * sysdeps/unix/sysv/linux/csky/Implies: Likewise. * sysdeps/unix/sysv/linux/csky/Makefile: Likewise. * sysdeps/unix/sysv/linux/csky/Versions: Likewise. * sysdeps/unix/sysv/linux/csky/abiv2/____longjmp_chk.S: Likewise. * sysdeps/unix/sysv/linux/csky/abiv2/clone.S: Likewise. * sysdeps/unix/sysv/linux/csky/abiv2/getcontext.S: Likewise. * sysdeps/unix/sysv/linux/csky/abiv2/setcontext.S: Likewise. * sysdeps/unix/sysv/linux/csky/abiv2/swapcontext.S: Likewise. * sysdeps/unix/sysv/linux/csky/abiv2/syscall.S: Likewise. * sysdeps/unix/sysv/linux/csky/abiv2/sysdep.S: Likewise. * sysdeps/unix/sysv/linux/csky/abiv2/ucontext_i.sym: Likewise. * sysdeps/unix/sysv/linux/csky/bits/procfs.h: Likewise. * sysdeps/unix/sysv/linux/csky/bits/shmlba.h: Likewise. * sysdeps/unix/sysv/linux/csky/c++-types.data: Likewise. * sysdeps/unix/sysv/linux/csky/configure: Likewise. * sysdeps/unix/sysv/linux/csky/configure.ac: Likewise. * sysdeps/unix/sysv/linux/csky/ipc_priv.h: Likewise. * sysdeps/unix/sysv/linux/csky/jmp_buf-macros.h: Likewise. * sysdeps/unix/sysv/linux/csky/kernel-features.h: Likewise. * sysdeps/unix/sysv/linux/csky/ld.abilist: Likewise. * sysdeps/unix/sysv/linux/csky/ldconfig.h: Likewise. * sysdeps/unix/sysv/linux/csky/libBrokenLocale.abilist: Likewise. * sysdeps/unix/sysv/linux/csky/libanl.abilist: Likewise. * sysdeps/unix/sysv/linux/csky/libc.abilist: Likewise. * sysdeps/unix/sysv/linux/csky/libcrypt.abilist: Likewise. * sysdeps/unix/sysv/linux/csky/libdl.abilist: Likewise. * sysdeps/unix/sysv/linux/csky/libm.abilist: Likewise. * sysdeps/unix/sysv/linux/csky/libpthread.abilist: Likewise. * sysdeps/unix/sysv/linux/csky/libresolv.abilist: Likewise. * sysdeps/unix/sysv/linux/csky/librt.abilist: Likewise. * sysdeps/unix/sysv/linux/csky/libthread_db.abilist: Likewise. * sysdeps/unix/sysv/linux/csky/libutil.abilist: Likewise. * sysdeps/unix/sysv/linux/csky/localplt.data: Likewise. * sysdeps/unix/sysv/linux/csky/makecontext.c: Likewise. * sysdeps/unix/sysv/linux/csky/profil-counter.h: Likewise. * sysdeps/unix/sysv/linux/csky/pt-vfork.S: Likewise. * sysdeps/unix/sysv/linux/csky/register-dump.h: Likewise. * sysdeps/unix/sysv/linux/csky/shlib-versions: Likewise. * sysdeps/unix/sysv/linux/csky/sigcontextinfo.h: Likewise. * sysdeps/unix/sysv/linux/csky/sys/cachectl.h: Likewise. * sysdeps/unix/sysv/linux/csky/sys/ucontext.h: Likewise. * sysdeps/unix/sysv/linux/csky/sys/user.h: Likewise. * sysdeps/unix/sysv/linux/csky/syscalls.list: Likewise. * sysdeps/unix/sysv/linux/csky/sysdep.h: Likewise.
2018-12-18S390: Add configure check to detect z13 as mininum architecture level set.Stefan Liebler1-0/+3
Add a configure check for z13 in the same way as done for z196. ChangeLog: * config.h.in (HAVE_S390_MIN_Z13_ZARCH_ASM_SUPPORT): New undefine. * sysdeps/s390/configure.ac: Add check for z13 support. * sysdeps/s390/configure: Regenerated.
2018-12-18S390: Add configure check to detect z10 as mininum architecture level set.Stefan Liebler1-0/+3
Add a configure check for z10 in the same way as done for z196. ChangeLog: * config.h.in (HAVE_S390_MIN_Z10_ZARCH_ASM_SUPPORT): New undefine. * sysdeps/s390/configure.ac: Add check for z10 support. * sysdeps/s390/configure: Regenerated.
2018-05-23Switch IDNA implementation to libidn2 [BZ #19728] [BZ #19729] [BZ #22247]Florian Weimer1-3/+0
This provides an implementation of the IDNA2008 standard and fixes CVE-2016-6261, CVE-2016-6263, CVE-2017-14062.
generated by cgit v1.1 at 2024-11-22 19:30:32 +0000