From patchwork Mon Jun 15 20:14:28 2020 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: Vineet Gupta X-Patchwork-Id: 39622 Return-Path: X-Original-To: patchwork@sourceware.org Delivered-To: patchwork@sourceware.org Received: from server2.sourceware.org (localhost [IPv6:::1]) by sourceware.org (Postfix) with ESMTP id 76732388B00E; Mon, 15 Jun 2020 20:14:56 +0000 (GMT) DKIM-Filter: OpenDKIM Filter v2.11.0 sourceware.org 76732388B00E DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=sourceware.org; s=default; t=1592252096; bh=jfJu3KB6NWENiNkWPA+p9Y5OzZSumBwxqhcd6F/0b2M=; h=To:Subject:Date:List-Id:List-Unsubscribe:List-Archive:List-Post: List-Help:List-Subscribe:From:Reply-To:Cc:From; b=rH3GxXpLKT8kgQdxGpWCgX3egy5GyIbJYFxG/1tRwj9TKvca056vvc26YaNGgThbg 6/LaTtT/wxRL6wkJ8eSW/WTKXb6gna9ytQQg3xMr33LvAXJ95aOpPc45YYwcgd+5PG OGTab0QM41BCank5dJIJnSS8zz1GuoQ9ZWAEwc+E= X-Original-To: libc-alpha@sourceware.org Delivered-To: libc-alpha@sourceware.org Received: from smtprelay-out1.synopsys.com (smtprelay-out1.synopsys.com [149.117.73.133]) by sourceware.org (Postfix) with ESMTPS id 0DF93388A815 for ; Mon, 15 Jun 2020 20:14:47 +0000 (GMT) DMARC-Filter: OpenDMARC Filter v1.3.2 sourceware.org 0DF93388A815 Received: from mailhost.synopsys.com (sv2-mailhost1.synopsys.com [10.205.2.133]) (using TLSv1.3 with cipher TLS_AES_256_GCM_SHA384 (256/256 bits)) (No client certificate requested) by smtprelay-out1.synopsys.com (Postfix) with ESMTPS id 1A07A400FC; Mon, 15 Jun 2020 20:14:45 +0000 (UTC) Received: from vineetg-Latitude-7400.internal.synopsys.com (unknown [10.13.183.89]) by mailhost.synopsys.com (Postfix) with ESMTP id 98555A00A0; Mon, 15 Jun 2020 20:14:43 +0000 (UTC) X-SNPS-Relay: synopsys.com To: libc-alpha@sourceware.org Subject: [PATCH v7 00/13] glibc port to ARC processors Date: Mon, 15 Jun 2020 13:14:28 -0700 Message-Id: <20200615201441.31820-1-vgupta@synopsys.com> X-Mailer: git-send-email 2.20.1 MIME-Version: 1.0 X-Spam-Status: No, score=-9.7 required=5.0 tests=BAYES_00, DKIM_SIGNED, DKIM_VALID, DKIM_VALID_AU, DKIM_VALID_EF, RCVD_IN_MSPIKE_H4, RCVD_IN_MSPIKE_WL, SPF_HELO_NONE, SPF_PASS, TXREP autolearn=ham autolearn_force=no version=3.4.2 X-Spam-Checker-Version: SpamAssassin 3.4.2 (2018-09-13) on server2.sourceware.org X-BeenThere: libc-alpha@sourceware.org X-Mailman-Version: 2.1.29 Precedence: list List-Id: Libc-alpha mailing list List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , X-Patchwork-Original-From: Vineet Gupta via Libc-alpha From: Vineet Gupta Reply-To: Vineet Gupta Cc: Vineet Gupta , linux-snps-arc@lists.infradead.org Errors-To: libc-alpha-bounces@sourceware.org Sender: "Libc-alpha" Hi, This patchset implements glibc port to ARC HS48x processor from Synopsys. git@github.com:foss-for-synopsys-dwc-arc-processors/glibc.git upstream-v7 v7: * Addresses review comments from Adhemerval Zanella and Florian Weimer (many thx to you both) * Dropped ARC specific semaphore.h (following upstream 1270fbaaeebe) * ARC specific dl-runtime.h (following upstream 8dbb7a08ec52) * ARC specific math-use-builtins.h and dropped ARC specific sqrt/fma routines (math-use-builtins.h will be disintegrated once done upstream) * setjmp/longjmp to save GP, no need to save r25 (thread pointer) * makecontext/startcontext use r14/r15 (vs. r13/r14) * flatten out register file in mcontext_t (remove scratch/callee) * Use of 'C' comments in asm code, LDR/STR macros * Use of L (..) in asm code * Dropped asm global register r25 specification for thread pointer and rely on __builtin_thread_pointer * NEWS update rewording * Sweeping update of Copyright year 2020 v6: * Dropped 11/14: merged upstream * _FPU_SETS() inline asm reworked * Introduce fixup-asm-unistd.h to elide 32-bit time, offset syscalls and regenerate arch-syscall.h * Fix snafu in updating build-many-glibcs for ARC * More code sytle fixes flagged by Joseph v5: * Big Endian formally supported as multi-ABI * Removed code for ARC700 processors * Hard-float code updates: fegetmode, fesetround, feupdateenv * socket-constant.h update for 64-bit ABI spun off as standalone patch * __syscall_error made glibc_private * math ulps regen * gmp-mparam.h removed * lint fixes as flagged by Joseph v4: * Dropped 1/17: Merged upstream * Dropped 17/17: - 64-bit time/offset code chunked up into respective patches * sysctl removed * Updated README for arc gnu triplet * Updated install files for ARC gcc/binutils requirements * Updated NEWS with brief ISA/ABI info v3: * Support for Hardware Floating Point * 64-bit time and offsets ABI (although all such changes are confined to a single patch) v5: https://sourceware.org/pipermail/libc-alpha/2020-April/112657.html v4: https://sourceware.org/pipermail/libc-alpha/2020-March/111855.html v3: https://sourceware.org/legacy-ml/libc-alpha/2020-03/msg00167.html v2: https://sourceware.org/legacy-ml/libc-alpha/2019-01/msg00681.html v1: https://sourceware.org/legacy-ml/libc-alpha/2018-12/msg00678.html Documentation: -------------- (a) ABI doc: https://github.com/foss-for-synopsys-dwc-arc-processors/toolchain/wiki/files/ARCv2_ABI.pdf (b) Programmer's Reference Manual (PRM) : needs a download request to be filled https://www.synopsys.com/dw/ipdir.php?ds=arc-hs44-hs46-hs48 https://www.synopsys.com/dw/doc.php/ds/cc/programmers-reference-manual-ARC-HS.pdf Test Results: -------------- (a) build-many-glibcs.py | Summary of test results: | 1251 PASS | 15 XFAIL (b) Full testsuite ran in a cross compile setup using buildroot on HSDK development platform. Bulk of failures come from cross testing setup and I intend to improve things with native testing going forward. | Summary of test results: | 30 FAIL (-3) | | FAIL: csu/test-as-const-tcb-offsets + FAIL: elf/tst-audit14 + FAIL: elf/tst-audit15 + FAIL: elf/tst-audit16 | FAIL: elf/tst-ldconfig-ld_so_conf-update # not true: dlopen | FAIL: iconv/test-iconvconfig # Needs gconv installed - FAIL: iconv/tst-gconv-init-failure | FAIL: io/ftwtest # Requires execution by non-root - FAIL: io/tst-futimesat | FAIL: io/tst-lockf | FAIL: libio/tst-wfile-sync | FAIL: locale/tst-C-locale | FAIL: locale/tst-duplocale | FAIL: locale/tst-locale-locpath | FAIL: locale/tst-locname | FAIL: localedata/sort-test | FAIL: nptl/test-cond-printers # needs Python3 and target GDB on target | FAIL: nptl/test-condattr-printers # ditto | FAIL: nptl/test-mutex-printers # ditto | FAIL: nptl/test-mutexattr-printers # ditto | FAIL: nptl/test-rwlock-printers # ditto | FAIL: nptl/test-rwlockattr-printers # ditto | FAIL: nptl/tst-umask1 # passes if run natively on target (NFS ACLv3 support needed) | FAIL: nss/bug-erange | FAIL: nss/tst-nss-files-hosts-getent # Timed out | FAIL: nss/tst-nss-files-hosts-multi # Timed out | FAIL: posix/bug-ga2 # DNS issue: google DNS vs. SNPS | FAIL: posix/globtest # require same user on target and host | FAIL: posix/tst-getaddrinfo5 # passes outside corporate network - FAIL: resolv/tst-resolv-basic - FAIL: resolv/tst-resolv-edns - FAIL: resolv/tst-resolv-rotate - FAIL: resolv/tst-resolv-search | FAIL: stdio-common/bug22 # Needs more RAM: 2 GB memory | FAIL: sunrpc/bug20790 # missing cpp on target | FAIL: timezone/tst-tzset # passes outside corporate network kindly review. Thx, -Vineet Vineet Gupta (13): ARC: ABI Implementation ARC: startup and dynamic linking code ARC: Thread Local Storage support ARC: Atomics and Locking primitives ARC: math soft float support ARC: hardware floating point support ARC: Linux Syscall Interface ARC: Linux ABI ARC: Linux Startup and Dynamic Loading ARC: ABI lists ARC: Build Infrastructure build-many-glibcs.py: Enable ARC builds Documentation for ARC port NEWS | 11 + README | 1 + config.h.in | 3 + manual/install.texi | 4 + scripts/build-many-glibcs.py | 10 + sysdeps/arc/Implies | 3 + sysdeps/arc/Makefile | 21 + sysdeps/arc/Versions | 8 + sysdeps/arc/__longjmp.S | 49 + sysdeps/arc/abort-instr.h | 2 + sysdeps/arc/atomic-machine.h | 69 + sysdeps/arc/bits/endianness.h | 15 + sysdeps/arc/bits/fenv.h | 78 + sysdeps/arc/bits/link.h | 52 + sysdeps/arc/bits/setjmp.h | 26 + sysdeps/arc/bsd-_setjmp.S | 1 + sysdeps/arc/bsd-setjmp.S | 1 + sysdeps/arc/configure | 182 ++ sysdeps/arc/configure.ac | 26 + sysdeps/arc/dl-machine.h | 341 +++ sysdeps/arc/dl-runtime.h | 42 + sysdeps/arc/dl-sysdep.h | 25 + sysdeps/arc/dl-tls.h | 30 + sysdeps/arc/dl-trampoline.S | 72 + sysdeps/arc/entry.h | 5 + sysdeps/arc/fpu/fclrexcpt.c | 36 + sysdeps/arc/fpu/fegetenv.c | 37 + sysdeps/arc/fpu/fegetmode.c | 31 + sysdeps/arc/fpu/fegetround.c | 32 + sysdeps/arc/fpu/feholdexcpt.c | 43 + sysdeps/arc/fpu/fesetenv.c | 48 + sysdeps/arc/fpu/fesetexcept.c | 32 + sysdeps/arc/fpu/fesetmode.c | 40 + sysdeps/arc/fpu/fesetround.c | 40 + sysdeps/arc/fpu/feupdateenv.c | 51 + sysdeps/arc/fpu/fgetexcptflg.c | 31 + sysdeps/arc/fpu/fraiseexcpt.c | 39 + sysdeps/arc/fpu/fsetexcptflg.c | 38 + sysdeps/arc/fpu/ftestexcept.c | 33 + sysdeps/arc/fpu/libm-test-ulps | 1140 +++++++++ sysdeps/arc/fpu/libm-test-ulps-name | 1 + sysdeps/arc/fpu/math-use-builtins.h | 70 + sysdeps/arc/fpu_control.h | 106 + sysdeps/arc/gccframe.h | 21 + sysdeps/arc/get-rounding-mode.h | 38 + sysdeps/arc/jmpbuf-offsets.h | 22 + sysdeps/arc/jmpbuf-unwind.h | 47 + sysdeps/arc/ldsodefs.h | 43 + sysdeps/arc/libc-tls.c | 27 + sysdeps/arc/machine-gmon.h | 35 + sysdeps/arc/math-tests-trap.h | 27 + sysdeps/arc/memusage.h | 23 + sysdeps/arc/nofpu/Implies | 1 + sysdeps/arc/nofpu/libm-test-ulps | 270 +++ sysdeps/arc/nofpu/libm-test-ulps-name | 1 + sysdeps/arc/nofpu/math-tests-exceptions.h | 27 + sysdeps/arc/nofpu/math-tests-rounding.h | 27 + sysdeps/arc/nptl/Makefile | 22 + sysdeps/arc/nptl/pthreaddef.h | 32 + sysdeps/arc/nptl/tcb-offsets.sym | 11 + sysdeps/arc/nptl/tls.h | 148 ++ sysdeps/arc/preconfigure | 14 + sysdeps/arc/setjmp.S | 66 + sysdeps/arc/sfp-machine.h | 70 + sysdeps/arc/sotruss-lib.c | 50 + sysdeps/arc/stackinfo.h | 33 + sysdeps/arc/start.S | 74 + sysdeps/arc/sysdep.h | 53 + sysdeps/arc/tininess.h | 1 + sysdeps/arc/tls-macros.h | 47 + sysdeps/arc/tst-audit.h | 23 + sysdeps/unix/sysv/linux/arc/Implies | 3 + sysdeps/unix/sysv/linux/arc/Makefile | 29 + sysdeps/unix/sysv/linux/arc/Versions | 16 + sysdeps/unix/sysv/linux/arc/arch-syscall.h | 303 +++ sysdeps/unix/sysv/linux/arc/bits/procfs.h | 35 + sysdeps/unix/sysv/linux/arc/bits/timesize.h | 21 + .../sysv/linux/arc/bits/types/__sigset_t.h | 12 + sysdeps/unix/sysv/linux/arc/c++-types.data | 67 + sysdeps/unix/sysv/linux/arc/clone.S | 93 + sysdeps/unix/sysv/linux/arc/configure | 4 + sysdeps/unix/sysv/linux/arc/configure.ac | 4 + sysdeps/unix/sysv/linux/arc/dl-static.c | 84 + .../unix/sysv/linux/arc/fixup-asm-unistd.h | 41 + sysdeps/unix/sysv/linux/arc/getcontext.S | 64 + sysdeps/unix/sysv/linux/arc/jmp_buf-macros.h | 6 + sysdeps/unix/sysv/linux/arc/kernel-features.h | 27 + sysdeps/unix/sysv/linux/arc/kernel_stat.h | 26 + sysdeps/unix/sysv/linux/arc/ld.abilist | 5 + sysdeps/unix/sysv/linux/arc/ldconfig.h | 27 + sysdeps/unix/sysv/linux/arc/ldsodefs.h | 32 + .../sysv/linux/arc/libBrokenLocale.abilist | 1 + sysdeps/unix/sysv/linux/arc/libanl.abilist | 4 + sysdeps/unix/sysv/linux/arc/libc.abilist | 2084 +++++++++++++++++ sysdeps/unix/sysv/linux/arc/libcrypt.abilist | 2 + sysdeps/unix/sysv/linux/arc/libdl.abilist | 9 + sysdeps/unix/sysv/linux/arc/libm.abilist | 699 ++++++ .../unix/sysv/linux/arc/libpthread.abilist | 213 ++ sysdeps/unix/sysv/linux/arc/libresolv.abilist | 79 + sysdeps/unix/sysv/linux/arc/librt.abilist | 35 + .../unix/sysv/linux/arc/libthread_db.abilist | 40 + sysdeps/unix/sysv/linux/arc/libutil.abilist | 6 + sysdeps/unix/sysv/linux/arc/localplt.data | 12 + sysdeps/unix/sysv/linux/arc/makecontext.c | 73 + sysdeps/unix/sysv/linux/arc/mmap_internal.h | 27 + sysdeps/unix/sysv/linux/arc/setcontext.S | 93 + sysdeps/unix/sysv/linux/arc/shlib-versions | 7 + sysdeps/unix/sysv/linux/arc/sigaction.c | 31 + sysdeps/unix/sysv/linux/arc/sigcontextinfo.h | 28 + sysdeps/unix/sysv/linux/arc/sigrestorer.S | 29 + sysdeps/unix/sysv/linux/arc/swapcontext.S | 94 + sysdeps/unix/sysv/linux/arc/sys/cachectl.h | 35 + sysdeps/unix/sysv/linux/arc/sys/ucontext.h | 57 + sysdeps/unix/sysv/linux/arc/sys/user.h | 31 + sysdeps/unix/sysv/linux/arc/syscall.S | 33 + sysdeps/unix/sysv/linux/arc/syscalls.list | 3 + sysdeps/unix/sysv/linux/arc/sysdep.c | 33 + sysdeps/unix/sysv/linux/arc/sysdep.h | 224 ++ sysdeps/unix/sysv/linux/arc/ucontext-macros.h | 25 + sysdeps/unix/sysv/linux/arc/ucontext_i.sym | 20 + sysdeps/unix/sysv/linux/arc/vfork.S | 42 + 121 files changed, 9146 insertions(+) create mode 100644 sysdeps/arc/Implies create mode 100644 sysdeps/arc/Makefile create mode 100644 sysdeps/arc/Versions create mode 100644 sysdeps/arc/__longjmp.S create mode 100644 sysdeps/arc/abort-instr.h create mode 100644 sysdeps/arc/atomic-machine.h create mode 100644 sysdeps/arc/bits/endianness.h create mode 100644 sysdeps/arc/bits/fenv.h create mode 100644 sysdeps/arc/bits/link.h create mode 100644 sysdeps/arc/bits/setjmp.h create mode 100644 sysdeps/arc/bsd-_setjmp.S create mode 100644 sysdeps/arc/bsd-setjmp.S create mode 100644 sysdeps/arc/configure create mode 100644 sysdeps/arc/configure.ac create mode 100644 sysdeps/arc/dl-machine.h create mode 100644 sysdeps/arc/dl-runtime.h create mode 100644 sysdeps/arc/dl-sysdep.h create mode 100644 sysdeps/arc/dl-tls.h create mode 100644 sysdeps/arc/dl-trampoline.S create mode 100644 sysdeps/arc/entry.h create mode 100644 sysdeps/arc/fpu/fclrexcpt.c create mode 100644 sysdeps/arc/fpu/fegetenv.c create mode 100644 sysdeps/arc/fpu/fegetmode.c create mode 100644 sysdeps/arc/fpu/fegetround.c create mode 100644 sysdeps/arc/fpu/feholdexcpt.c create mode 100644 sysdeps/arc/fpu/fesetenv.c create mode 100644 sysdeps/arc/fpu/fesetexcept.c create mode 100644 sysdeps/arc/fpu/fesetmode.c create mode 100644 sysdeps/arc/fpu/fesetround.c create mode 100644 sysdeps/arc/fpu/feupdateenv.c create mode 100644 sysdeps/arc/fpu/fgetexcptflg.c create mode 100644 sysdeps/arc/fpu/fraiseexcpt.c create mode 100644 sysdeps/arc/fpu/fsetexcptflg.c create mode 100644 sysdeps/arc/fpu/ftestexcept.c create mode 100644 sysdeps/arc/fpu/libm-test-ulps create mode 100644 sysdeps/arc/fpu/libm-test-ulps-name create mode 100644 sysdeps/arc/fpu/math-use-builtins.h create mode 100644 sysdeps/arc/fpu_control.h create mode 100644 sysdeps/arc/gccframe.h create mode 100644 sysdeps/arc/get-rounding-mode.h create mode 100644 sysdeps/arc/jmpbuf-offsets.h create mode 100644 sysdeps/arc/jmpbuf-unwind.h create mode 100644 sysdeps/arc/ldsodefs.h create mode 100644 sysdeps/arc/libc-tls.c create mode 100644 sysdeps/arc/machine-gmon.h create mode 100644 sysdeps/arc/math-tests-trap.h create mode 100644 sysdeps/arc/memusage.h create mode 100644 sysdeps/arc/nofpu/Implies create mode 100644 sysdeps/arc/nofpu/libm-test-ulps create mode 100644 sysdeps/arc/nofpu/libm-test-ulps-name create mode 100644 sysdeps/arc/nofpu/math-tests-exceptions.h create mode 100644 sysdeps/arc/nofpu/math-tests-rounding.h create mode 100644 sysdeps/arc/nptl/Makefile create mode 100644 sysdeps/arc/nptl/pthreaddef.h create mode 100644 sysdeps/arc/nptl/tcb-offsets.sym create mode 100644 sysdeps/arc/nptl/tls.h create mode 100644 sysdeps/arc/preconfigure create mode 100644 sysdeps/arc/setjmp.S create mode 100644 sysdeps/arc/sfp-machine.h create mode 100644 sysdeps/arc/sotruss-lib.c create mode 100644 sysdeps/arc/stackinfo.h create mode 100644 sysdeps/arc/start.S create mode 100644 sysdeps/arc/sysdep.h create mode 100644 sysdeps/arc/tininess.h create mode 100644 sysdeps/arc/tls-macros.h create mode 100644 sysdeps/arc/tst-audit.h create mode 100644 sysdeps/unix/sysv/linux/arc/Implies create mode 100644 sysdeps/unix/sysv/linux/arc/Makefile create mode 100644 sysdeps/unix/sysv/linux/arc/Versions create mode 100644 sysdeps/unix/sysv/linux/arc/arch-syscall.h create mode 100644 sysdeps/unix/sysv/linux/arc/bits/procfs.h create mode 100644 sysdeps/unix/sysv/linux/arc/bits/timesize.h create mode 100644 sysdeps/unix/sysv/linux/arc/bits/types/__sigset_t.h create mode 100644 sysdeps/unix/sysv/linux/arc/c++-types.data create mode 100644 sysdeps/unix/sysv/linux/arc/clone.S create mode 100644 sysdeps/unix/sysv/linux/arc/configure create mode 100644 sysdeps/unix/sysv/linux/arc/configure.ac create mode 100644 sysdeps/unix/sysv/linux/arc/dl-static.c create mode 100644 sysdeps/unix/sysv/linux/arc/fixup-asm-unistd.h create mode 100644 sysdeps/unix/sysv/linux/arc/getcontext.S create mode 100644 sysdeps/unix/sysv/linux/arc/jmp_buf-macros.h create mode 100644 sysdeps/unix/sysv/linux/arc/kernel-features.h create mode 100644 sysdeps/unix/sysv/linux/arc/kernel_stat.h create mode 100644 sysdeps/unix/sysv/linux/arc/ld.abilist create mode 100644 sysdeps/unix/sysv/linux/arc/ldconfig.h create mode 100644 sysdeps/unix/sysv/linux/arc/ldsodefs.h create mode 100644 sysdeps/unix/sysv/linux/arc/libBrokenLocale.abilist create mode 100644 sysdeps/unix/sysv/linux/arc/libanl.abilist create mode 100644 sysdeps/unix/sysv/linux/arc/libc.abilist create mode 100644 sysdeps/unix/sysv/linux/arc/libcrypt.abilist create mode 100644 sysdeps/unix/sysv/linux/arc/libdl.abilist create mode 100644 sysdeps/unix/sysv/linux/arc/libm.abilist create mode 100644 sysdeps/unix/sysv/linux/arc/libpthread.abilist create mode 100644 sysdeps/unix/sysv/linux/arc/libresolv.abilist create mode 100644 sysdeps/unix/sysv/linux/arc/librt.abilist create mode 100644 sysdeps/unix/sysv/linux/arc/libthread_db.abilist create mode 100644 sysdeps/unix/sysv/linux/arc/libutil.abilist create mode 100644 sysdeps/unix/sysv/linux/arc/localplt.data create mode 100644 sysdeps/unix/sysv/linux/arc/makecontext.c create mode 100644 sysdeps/unix/sysv/linux/arc/mmap_internal.h create mode 100644 sysdeps/unix/sysv/linux/arc/setcontext.S create mode 100644 sysdeps/unix/sysv/linux/arc/shlib-versions create mode 100644 sysdeps/unix/sysv/linux/arc/sigaction.c create mode 100644 sysdeps/unix/sysv/linux/arc/sigcontextinfo.h create mode 100644 sysdeps/unix/sysv/linux/arc/sigrestorer.S create mode 100644 sysdeps/unix/sysv/linux/arc/swapcontext.S create mode 100644 sysdeps/unix/sysv/linux/arc/sys/cachectl.h create mode 100644 sysdeps/unix/sysv/linux/arc/sys/ucontext.h create mode 100644 sysdeps/unix/sysv/linux/arc/sys/user.h create mode 100644 sysdeps/unix/sysv/linux/arc/syscall.S create mode 100644 sysdeps/unix/sysv/linux/arc/syscalls.list create mode 100644 sysdeps/unix/sysv/linux/arc/sysdep.c create mode 100644 sysdeps/unix/sysv/linux/arc/sysdep.h create mode 100644 sysdeps/unix/sysv/linux/arc/ucontext-macros.h create mode 100644 sysdeps/unix/sysv/linux/arc/ucontext_i.sym create mode 100644 sysdeps/unix/sysv/linux/arc/vfork.S