| Message ID | cover.1543283180.git.han_mao@c-sky.com |
|---|---|
| Headers | show |
| Series | port C-SKY to glibc | expand |
On Thu, 29 Nov 2018, Mao Han wrote: > It seems quite hard to valuate the effect of remove restriction on > init-array check in gcc configure. We don't know much about what it will > affect, and can not help to verify this on other platform. It's not your responsibility to make sure it works on all other platforms. You should propose the patch to enable initfini-array for cross compilation (subject to the existing tests that currently run in the native case despite being just as valid for cross-compilation), and then if someone discovers a platform supported by GCC, where that compilation test passes but initfini-array support does not work correctly, at that point we can look at the right way to avoid enabling initfini-array support for that target. (There are other ways of ensuring GCC uses initfini-array support unconditionally for a target - look at what's done for Arm EABI, which also uses initfini-array only. But in the first instance, fixing the configure test is the natural thing to do to make this work better for all ELF architectures. In any case, this should be fixed so that GCC gets it right and no special use of --enable-initfini-array is needed in build-many-glibcs.py.)
On Thu, Nov 29, 2018 at 05:16:58PM +0000, Joseph Myers wrote: > (There are other ways of ensuring GCC uses initfini-array support > unconditionally for a target - look at what's done for Arm EABI, which > also uses initfini-array only. But in the first instance, fixing the > configure test is the natural thing to do to make this work better for all > ELF architectures. In any case, this should be fixed so that GCC gets it > right and no special use of --enable-initfini-array is needed in > build-many-glibcs.py.) > We trend to solve this issue like what RISC-V did, force gcc_cv_initfini_array=yes in config.gcc when glibc is built. The first way may take quite a long time to find out what compilation test is required to get things right. We'v got some question about what compilation test should be like for C-SKY. We'v got several other C library do not use init-array at present. When gcc is built first time we are not able to find out whether the C library want init-array or not, if gcc is not rebuilt for C++, init/fini will never be called. Even if gcc is rebuilt, we can not execute test program if it is cross-compiled. We may try to make init-array check in configure work later when we find ways to solve the issues above. Best Regards, Mao Han
On Fri, 30 Nov 2018, Mao Han wrote: > test should be like for C-SKY. We'v got several other C library do not use > init-array at present. When gcc is built first time we are not able init-array is a standard ELF feature. So if an ELF C library does not support it, that's a bug in that library. So defaulting in the compiler to using init-array for ELF is appropriate, unless there is actual information that a particular target OS lacks support (and in particular, defaulting to using init-array is appropriate for the generic bare-metal targets such as *-elf and *-eabi).
It is the sixth patchset for C-SKY port. Base on commit 2bd0bfcc6857f1fde2bd9716dc103333ebaa6807 (27 Nov). Two abi combinations are supported with this patch: C-SKY ABIV2 with (soft float & little endian, hard float & little endian). CK807(ef), CK810(ef), CK860 are the accroding supported processor cores to the C-SKY V2 abi; f stands for FPU co-processor; e stands for DSP co-processor. Our gcc ,binutils, linux kernel support are all in the trunck now. This patchset is tested with gcc(9.0), binutil(2.31), linux(4.20), from the official respository: 1. GCC commit: 65892c4d0c3e2f03fec2d4c340d72c4aceabb7f1 2. Binutils commit: 9c3adfb9a409a240bb4cf087f0adeb8b1472f67a 3. Linux commit: (4.20-rc4) 2e6e902d185027f8e3cb8b7305238f7e35d6a436 CSKY V2 ABI manual: https://github.com/c-sky/csky-doc/blob/master/C-SKY_V2_CPU_Applications_Binary_Interface_Standards_Manual.pdf CSKY architecture user guide: https://github.com/c-sky/csky-doc/blob/master/CSKY%20Architecture%20user_guide.pdf IFUNC, ELF_RTYPE_CLASS_EXTERN_PROTECTED_DATA, static PIE is not support with this patchset. It seems quite hard to valuate the effect of remove restriction on init-array check in gcc configure. We don't know much about what it will affect, and can not help to verify this on other platform. I want to keep the --enable-initfini-array in build-many-glibcs.py until someone can help make init-array check work for cross compile. The *xstat patch use __NR_fstatat64/__NR_fstat64 on conditionals. Current unistd.h define __NR_fstatat64 to __NR3264_fstatat for 32-bit platform, C-SKY will get some compile error with current kernel header, so I added some conditionals in unistd.h for test: +#if defined(__ARCH_WANT_NEW_STAT) || defined(__ARCH_WANT_STAT64) #define __NR_fstatat64 __NR3264_fstatat #define __NR_fstat64 __NR3264_fstat +#endif C-SKY ABIV2 soft float little endian: UNSUPPORTED: crypt/cert FAIL: malloc/tst-malloc-usable-tunables UNSUPPORTED: malloc/tst-mallocstate UNSUPPORTED: math/test-matherr UNSUPPORTED: math/test-matherr-2 UNSUPPORTED: misc/tst-ofdlocks-compat UNSUPPORTED: misc/tst-pkey UNSUPPORTED: misc/tst-ttyname UNSUPPORTED: nptl/test-cond-printers UNSUPPORTED: nptl/test-condattr-printers UNSUPPORTED: nptl/test-mutex-printers UNSUPPORTED: nptl/test-mutexattr-printers UNSUPPORTED: nptl/test-rwlock-printers UNSUPPORTED: nptl/test-rwlockattr-printers FAIL: nptl/tst-_res1 FAIL: nptl/tst-thread_local1 UNSUPPORTED: nss/tst-nss-test3 UNSUPPORTED: posix/tst-glob_lstat_compat UNSUPPORTED: posix/tst-spawn4-compat UNSUPPORTED: posix/tst-sysconf-empty-chroot UNSUPPORTED: resolv/tst-p_secstodate UNSUPPORTED: resolv/tst-resolv-ai_idn UNSUPPORTED: resolv/tst-resolv-ai_idn-latin1 UNSUPPORTED: resolv/tst-resolv-res_init UNSUPPORTED: resolv/tst-resolv-res_init-thread UNSUPPORTED: resolv/tst-resolv-threads UNSUPPORTED: stdlib/test-bz22786 UNSUPPORTED: string/test-bcopy UNSUPPORTED: string/test-memmove FAIL: sunrpc/bug20790 UNSUPPORTED: time/tst-y2039 Summary of test results: 4 FAIL 5027 PASS 27 UNSUPPORTED 19 XFAIL C-SKY ABIV2 hard float little endian: UNSUPPORTED: crypt/cert FAIL: malloc/tst-malloc-usable-tunables UNSUPPORTED: malloc/tst-mallocstate UNSUPPORTED: math/test-matherr UNSUPPORTED: math/test-matherr-2 UNSUPPORTED: misc/tst-ofdlocks-compat UNSUPPORTED: misc/tst-pkey UNSUPPORTED: misc/tst-ttyname UNSUPPORTED: nptl/test-cond-printers UNSUPPORTED: nptl/test-condattr-printers UNSUPPORTED: nptl/test-mutex-printers UNSUPPORTED: nptl/test-mutexattr-printers UNSUPPORTED: nptl/test-rwlock-printers UNSUPPORTED: nptl/test-rwlockattr-printers FAIL: nptl/tst-_res1 FAIL: nptl/tst-thread_local1 UNSUPPORTED: nss/tst-nss-test3 FAIL: posix/tst-chmod UNSUPPORTED: posix/tst-glob_lstat_compat UNSUPPORTED: posix/tst-spawn4-compat UNSUPPORTED: posix/tst-sysconf-empty-chroot UNSUPPORTED: resolv/tst-p_secstodate UNSUPPORTED: resolv/tst-resolv-ai_idn UNSUPPORTED: resolv/tst-resolv-ai_idn-latin1 UNSUPPORTED: resolv/tst-resolv-res_init UNSUPPORTED: resolv/tst-resolv-res_init-thread UNSUPPORTED: resolv/tst-resolv-threads UNSUPPORTED: stdlib/test-bz22786 UNSUPPORTED: string/test-bcopy UNSUPPORTED: string/test-memmove FAIL: sunrpc/bug20790 UNSUPPORTED: time/tst-y2039 Summary of test results: 5 FAIL 5026 PASS 27 UNSUPPORTED 19 XFAIL Detail result: https://github.com/c-sky/test-result/blob/master/glibc/glibc_2.28.9_patch_v6_810f_test_result.tar.gz https://github.com/c-sky/test-result/blob/master/glibc/glibc_2.28.9_patch_v6_build_many_log.tar.gz FAIL cases: 1. nptl/tst-thread_local1 seems lack c++ support, the gcc frountend can not generate constructor and destructor for static, anonymous_namespace and extern variables. 2. sunrpc/bug20790 It fails because the testing environment lacks native cpp. 3. malloc/tst-malloc-usable-tunables It fails because liunx use mmap to alloc space for vdso and cause brk fail. Wait for our linux kernel to fix it. 4. nptl/tst-_res1 It fails because symbol _res is incorrect linked. 5. posix/tst-chmod tst-chmod may pass after retry. 6. The following three cases some time get into deadlock when the child return before the parent thread start to wait. I don know what is the expect behaviour under this condition. misc/tst-clone3 tst-mallocfork tst-mallocfork2 Changes since v5: - remove big endian support forgot to remove in patch v5 - modify new fxstat, fxstatat, lxstat, xstat implementation to generic version - only define FE_NOMASK_ENV for hard float Changes since v4: - update the abilist - update ulps - use init-array to replace ctri/crtn - remove libnsl.abilist - use generic procfs.h shm.h mman.h - add conditionals in fpu_control.h and fenv.h to support both hard float and soft float - fxstat, fxstatat, lxstat, xstat implemented with statx Changes since v3: - update the abilist - update ulps - update version to 2.29 - coding style and conventions - cleanup unnecessary linux syscall - remove support for big endian - fix hard float exception handle - assembly optimize memcopy, memmove, ... with vdsp and byte extract instruction. our hardware can ld/st word form unalign address directly. Changes since v2: - update the abilist - update ulps - cleanup unnecessary linux syscall - remove support for ABIV1 - add one-line description for many files - put ABIV2 code into seperate folder - cleanup ucontext.h namespace - cleanup linux/csky/Version - add with_fp_cond support to distinguish soft float - remove PF_X in stackinfo - add abi check in preconfigure - support build-many-glibcs.py - fix pointer guard acquisition Changes since v1: - update the changelog format - clean up unnecessary legacy code and odd comments - add rel description and fix EM_CSKY check - remove some arch-specific implementation - remove DEPRECATED linux syscall support - support pointer mangling Mao Han (13): C-SKY: ABI related code C-SKY: TLS support C-SKY: Math support C-SKY: NPTL support and Atomic C-SKY: Linux Syscall Interface C-SKY: Linux ABI C-SKY: ABI Lists C-SKY: Linux Startup and Dynamic Loading Code C-SKY: Add dynamic relocations to elf.h C-SKY: Build Infastructure C-SKY: Add ABI definitions in config.h.in C-SKY: Add build-many-glibcs.py support C-SKY: Skeleton documentation ChangeLog | 154 ++ NEWS | 6 + README | 1 + config.h.in | 6 + elf/elf.h | 67 +- scripts/build-many-glibcs.py | 10 + sysdeps/csky/Implies | 5 + sysdeps/csky/Makefile | 9 + sysdeps/csky/abiv2/__longjmp.S | 61 + sysdeps/csky/abiv2/csky-mcount.S | 67 + sysdeps/csky/abiv2/dl-trampoline.S | 50 + sysdeps/csky/abiv2/memcmp.S | 142 ++ sysdeps/csky/abiv2/memcpy.S | 238 +++ sysdeps/csky/abiv2/memmove.S | 1 + sysdeps/csky/abiv2/memset.S | 98 + sysdeps/csky/abiv2/setjmp.S | 77 + sysdeps/csky/abiv2/start.S | 108 + sysdeps/csky/abiv2/strcmp.S | 156 ++ sysdeps/csky/abiv2/strcpy.S | 127 ++ sysdeps/csky/abiv2/strlen.S | 102 + sysdeps/csky/abiv2/tls-macros.h | 55 + sysdeps/csky/abort-instr.h | 2 + sysdeps/csky/atomic-machine.h | 77 + sysdeps/csky/bits/endian.h | 10 + sysdeps/csky/bits/fenv.h | 111 ++ sysdeps/csky/bits/link.h | 55 + sysdeps/csky/bits/setjmp.h | 34 + sysdeps/csky/bsd-_setjmp.S | 1 + sysdeps/csky/bsd-setjmp.S | 1 + sysdeps/csky/configure | 4 + sysdeps/csky/configure.ac | 4 + sysdeps/csky/dl-machine.h | 362 ++++ sysdeps/csky/dl-procinfo.c | 62 + sysdeps/csky/dl-procinfo.h | 59 + sysdeps/csky/dl-sysdep.h | 23 + sysdeps/csky/dl-tls.h | 26 + sysdeps/csky/fpu/fclrexcpt.c | 42 + sysdeps/csky/fpu/fedisblxcpt.c | 41 + sysdeps/csky/fpu/feenablxcpt.c | 40 + sysdeps/csky/fpu/fegetenv.c | 37 + sysdeps/csky/fpu/fegetexcept.c | 32 + sysdeps/csky/fpu/fegetmode.c | 28 + sysdeps/csky/fpu/fegetround.c | 34 + sysdeps/csky/fpu/feholdexcpt.c | 34 + sysdeps/csky/fpu/fenv_libc.h | 30 + sysdeps/csky/fpu/fenv_private.h | 280 +++ sysdeps/csky/fpu/fesetenv.c | 59 + sysdeps/csky/fpu/fesetexcept.c | 33 + sysdeps/csky/fpu/fesetmode.c | 33 + sysdeps/csky/fpu/fesetround.c | 32 + sysdeps/csky/fpu/feupdateenv.c | 46 + sysdeps/csky/fpu/fgetexcptflg.c | 32 + sysdeps/csky/fpu/fix-fp-int-convert-overflow.h | 33 + sysdeps/csky/fpu/fraiseexcpt.c | 126 ++ sysdeps/csky/fpu/fsetexcptflg.c | 43 + sysdeps/csky/fpu/ftestexcept.c | 30 + sysdeps/csky/fpu/libm-test-ulps | 1640 +++++++++++++++ sysdeps/csky/fpu/libm-test-ulps-name | 1 + sysdeps/csky/fpu_control.h | 148 ++ sysdeps/csky/gccframe.h | 21 + sysdeps/csky/jmpbuf-unwind.h | 48 + sysdeps/csky/ldsodefs.h | 42 + sysdeps/csky/libc-tls.c | 32 + sysdeps/csky/linkmap.h | 4 + sysdeps/csky/machine-gmon.h | 32 + sysdeps/csky/memusage.h | 21 + sysdeps/csky/nofpu/Implies | 1 + sysdeps/csky/nofpu/libm-test-ulps | 1694 ++++++++++++++++ sysdeps/csky/nofpu/libm-test-ulps-name | 1 + sysdeps/csky/nptl/Makefile | 20 + sysdeps/csky/nptl/bits/pthreadtypes-arch.h | 70 + sysdeps/csky/nptl/bits/semaphore.h | 35 + sysdeps/csky/nptl/pthread-offsets.h | 5 + sysdeps/csky/nptl/pthreaddef.h | 32 + sysdeps/csky/nptl/tcb-offsets.sym | 10 + sysdeps/csky/nptl/tls.h | 156 ++ sysdeps/csky/preconfigure | 37 + sysdeps/csky/sfp-machine.h | 50 + sysdeps/csky/sotruss-lib.c | 49 + sysdeps/csky/stackinfo.h | 29 + sysdeps/csky/sysdep.h | 84 + sysdeps/csky/tininess.h | 1 + sysdeps/csky/tst-audit.h | 23 + sysdeps/unix/sysv/linux/csky/Implies | 3 + sysdeps/unix/sysv/linux/csky/Makefile | 8 + sysdeps/unix/sysv/linux/csky/Versions | 5 + .../unix/sysv/linux/csky/abiv2/____longjmp_chk.S | 81 + sysdeps/unix/sysv/linux/csky/abiv2/clone.S | 94 + sysdeps/unix/sysv/linux/csky/abiv2/getcontext.S | 73 + sysdeps/unix/sysv/linux/csky/abiv2/setcontext.S | 96 + sysdeps/unix/sysv/linux/csky/abiv2/swapcontext.S | 78 + sysdeps/unix/sysv/linux/csky/abiv2/syscall.S | 67 + sysdeps/unix/sysv/linux/csky/abiv2/sysdep.S | 65 + sysdeps/unix/sysv/linux/csky/abiv2/ucontext_i.sym | 32 + sysdeps/unix/sysv/linux/csky/bits/procfs.h | 34 + sysdeps/unix/sysv/linux/csky/bits/shmlba.h | 29 + sysdeps/unix/sysv/linux/csky/c++-types.data | 67 + sysdeps/unix/sysv/linux/csky/configure | 4 + sysdeps/unix/sysv/linux/csky/configure.ac | 5 + sysdeps/unix/sysv/linux/csky/ipc_priv.h | 21 + sysdeps/unix/sysv/linux/csky/jmp_buf-macros.h | 6 + sysdeps/unix/sysv/linux/csky/kernel-features.h | 29 + sysdeps/unix/sysv/linux/csky/ld.abilist | 9 + sysdeps/unix/sysv/linux/csky/ldconfig.h | 34 + .../unix/sysv/linux/csky/libBrokenLocale.abilist | 1 + sysdeps/unix/sysv/linux/csky/libanl.abilist | 4 + sysdeps/unix/sysv/linux/csky/libc.abilist | 2086 ++++++++++++++++++++ sysdeps/unix/sysv/linux/csky/libcrypt.abilist | 2 + sysdeps/unix/sysv/linux/csky/libdl.abilist | 9 + sysdeps/unix/sysv/linux/csky/libm.abilist | 753 +++++++ sysdeps/unix/sysv/linux/csky/libpthread.abilist | 235 +++ sysdeps/unix/sysv/linux/csky/libresolv.abilist | 79 + sysdeps/unix/sysv/linux/csky/librt.abilist | 35 + sysdeps/unix/sysv/linux/csky/libthread_db.abilist | 40 + sysdeps/unix/sysv/linux/csky/libutil.abilist | 6 + sysdeps/unix/sysv/linux/csky/localplt.data | 19 + sysdeps/unix/sysv/linux/csky/makecontext.c | 74 + sysdeps/unix/sysv/linux/csky/profil-counter.h | 31 + sysdeps/unix/sysv/linux/csky/pt-vfork.S | 1 + sysdeps/unix/sysv/linux/csky/register-dump.h | 193 ++ sysdeps/unix/sysv/linux/csky/shlib-versions | 9 + sysdeps/unix/sysv/linux/csky/sigcontextinfo.h | 32 + sysdeps/unix/sysv/linux/csky/sys/cachectl.h | 38 + sysdeps/unix/sysv/linux/csky/sys/ucontext.h | 90 + sysdeps/unix/sysv/linux/csky/sys/user.h | 64 + sysdeps/unix/sysv/linux/csky/syscalls.list | 2 + sysdeps/unix/sysv/linux/csky/sysdep.h | 534 +++++ 127 files changed, 12898 insertions(+), 1 deletion(-) create mode 100644 sysdeps/csky/Implies create mode 100644 sysdeps/csky/Makefile create mode 100644 sysdeps/csky/abiv2/__longjmp.S create mode 100644 sysdeps/csky/abiv2/csky-mcount.S create mode 100644 sysdeps/csky/abiv2/dl-trampoline.S create mode 100644 sysdeps/csky/abiv2/memcmp.S create mode 100644 sysdeps/csky/abiv2/memcpy.S create mode 100644 sysdeps/csky/abiv2/memmove.S create mode 100644 sysdeps/csky/abiv2/memset.S create mode 100644 sysdeps/csky/abiv2/setjmp.S create mode 100644 sysdeps/csky/abiv2/start.S create mode 100644 sysdeps/csky/abiv2/strcmp.S create mode 100644 sysdeps/csky/abiv2/strcpy.S create mode 100644 sysdeps/csky/abiv2/strlen.S create mode 100644 sysdeps/csky/abiv2/tls-macros.h create mode 100644 sysdeps/csky/abort-instr.h create mode 100644 sysdeps/csky/atomic-machine.h create mode 100644 sysdeps/csky/bits/endian.h create mode 100644 sysdeps/csky/bits/fenv.h create mode 100644 sysdeps/csky/bits/link.h create mode 100644 sysdeps/csky/bits/setjmp.h create mode 100644 sysdeps/csky/bsd-_setjmp.S create mode 100644 sysdeps/csky/bsd-setjmp.S create mode 100644 sysdeps/csky/configure create mode 100644 sysdeps/csky/configure.ac create mode 100644 sysdeps/csky/dl-machine.h create mode 100644 sysdeps/csky/dl-procinfo.c create mode 100644 sysdeps/csky/dl-procinfo.h create mode 100644 sysdeps/csky/dl-sysdep.h create mode 100644 sysdeps/csky/dl-tls.h create mode 100644 sysdeps/csky/fpu/fclrexcpt.c create mode 100644 sysdeps/csky/fpu/fedisblxcpt.c create mode 100644 sysdeps/csky/fpu/feenablxcpt.c create mode 100644 sysdeps/csky/fpu/fegetenv.c create mode 100644 sysdeps/csky/fpu/fegetexcept.c create mode 100644 sysdeps/csky/fpu/fegetmode.c create mode 100644 sysdeps/csky/fpu/fegetround.c create mode 100644 sysdeps/csky/fpu/feholdexcpt.c create mode 100644 sysdeps/csky/fpu/fenv_libc.h create mode 100644 sysdeps/csky/fpu/fenv_private.h create mode 100644 sysdeps/csky/fpu/fesetenv.c create mode 100644 sysdeps/csky/fpu/fesetexcept.c create mode 100644 sysdeps/csky/fpu/fesetmode.c create mode 100644 sysdeps/csky/fpu/fesetround.c create mode 100644 sysdeps/csky/fpu/feupdateenv.c create mode 100644 sysdeps/csky/fpu/fgetexcptflg.c create mode 100644 sysdeps/csky/fpu/fix-fp-int-convert-overflow.h create mode 100644 sysdeps/csky/fpu/fraiseexcpt.c create mode 100644 sysdeps/csky/fpu/fsetexcptflg.c create mode 100644 sysdeps/csky/fpu/ftestexcept.c create mode 100644 sysdeps/csky/fpu/libm-test-ulps create mode 100644 sysdeps/csky/fpu/libm-test-ulps-name create mode 100644 sysdeps/csky/fpu_control.h create mode 100644 sysdeps/csky/gccframe.h create mode 100644 sysdeps/csky/jmpbuf-unwind.h create mode 100644 sysdeps/csky/ldsodefs.h create mode 100644 sysdeps/csky/libc-tls.c create mode 100644 sysdeps/csky/linkmap.h create mode 100644 sysdeps/csky/machine-gmon.h create mode 100644 sysdeps/csky/memusage.h create mode 100644 sysdeps/csky/nofpu/Implies create mode 100644 sysdeps/csky/nofpu/libm-test-ulps create mode 100644 sysdeps/csky/nofpu/libm-test-ulps-name create mode 100644 sysdeps/csky/nptl/Makefile create mode 100644 sysdeps/csky/nptl/bits/pthreadtypes-arch.h create mode 100644 sysdeps/csky/nptl/bits/semaphore.h create mode 100644 sysdeps/csky/nptl/pthread-offsets.h create mode 100644 sysdeps/csky/nptl/pthreaddef.h create mode 100644 sysdeps/csky/nptl/tcb-offsets.sym create mode 100644 sysdeps/csky/nptl/tls.h create mode 100644 sysdeps/csky/preconfigure create mode 100644 sysdeps/csky/sfp-machine.h create mode 100644 sysdeps/csky/sotruss-lib.c create mode 100644 sysdeps/csky/stackinfo.h create mode 100644 sysdeps/csky/sysdep.h create mode 100644 sysdeps/csky/tininess.h create mode 100644 sysdeps/csky/tst-audit.h create mode 100644 sysdeps/unix/sysv/linux/csky/Implies create mode 100644 sysdeps/unix/sysv/linux/csky/Makefile create mode 100644 sysdeps/unix/sysv/linux/csky/Versions create mode 100644 sysdeps/unix/sysv/linux/csky/abiv2/____longjmp_chk.S create mode 100644 sysdeps/unix/sysv/linux/csky/abiv2/clone.S create mode 100644 sysdeps/unix/sysv/linux/csky/abiv2/getcontext.S create mode 100644 sysdeps/unix/sysv/linux/csky/abiv2/setcontext.S create mode 100644 sysdeps/unix/sysv/linux/csky/abiv2/swapcontext.S create mode 100644 sysdeps/unix/sysv/linux/csky/abiv2/syscall.S create mode 100644 sysdeps/unix/sysv/linux/csky/abiv2/sysdep.S create mode 100644 sysdeps/unix/sysv/linux/csky/abiv2/ucontext_i.sym create mode 100644 sysdeps/unix/sysv/linux/csky/bits/procfs.h create mode 100644 sysdeps/unix/sysv/linux/csky/bits/shmlba.h create mode 100644 sysdeps/unix/sysv/linux/csky/c++-types.data create mode 100644 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