| Commit message (Collapse) | Author | Age | Files | Lines |
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I used these shell commands:
../glibc/scripts/update-copyrights $PWD/../gnulib/build-aux/update-copyright
(cd ../glibc && git commit -am"[this commit message]")
and then ignored the output, which consisted lines saying "FOO: warning:
copyright statement not found" for each of 7061 files FOO.
I then removed trailing white space from math/tgmath.h,
support/tst-support-open-dev-null-range.c, and
sysdeps/x86_64/multiarch/strlen-vec.S, to work around the following
obscure pre-commit check failure diagnostics from Savannah. I don't
know why I run into these diagnostics whereas others evidently do not.
remote: *** 912-#endif
remote: *** 913:
remote: *** 914-
remote: *** error: lines with trailing whitespace found
...
remote: *** error: sysdeps/unix/sysv/linux/statx_cp.c: trailing lines
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I used these shell commands:
../glibc/scripts/update-copyrights $PWD/../gnulib/build-aux/update-copyright
(cd ../glibc && git commit -am"[this commit message]")
and then ignored the output, which consisted lines saying "FOO: warning:
copyright statement not found" for each of 6694 files FOO.
I then removed trailing white space from benchtests/bench-pthread-locks.c
and iconvdata/tst-iconv-big5-hkscs-to-2ucs4.c, to work around this
diagnostic from Savannah:
remote: *** pre-commit check failed ...
remote: *** error: lines with trailing whitespace found
remote: error: hook declined to update refs/heads/master
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This patch moves the vDSO setup from libc to loader code, just after
the vDSO link_map setup. For static case the initialization
is moved to _dl_non_dynamic_init instead.
Instead of using the mangled pointer, the vDSO data is set as
attribute_relro (on _rtld_global_ro for shared or _dl_vdso_* for
static). It is read-only even with partial relro.
It fixes BZ#24967 now that the vDSO pointer is setup earlier than
malloc interposition is called.
Also, vDSO calls should not be a problem for static dlopen as
indicated by BZ#20802. The vDSO pointer would be zero-initialized
and the syscall will be issued instead.
Checked on x86_64-linux-gnu, i686-linux-gnu, aarch64-linux-gnu,
arm-linux-gnueabihf, powerpc64le-linux-gnu, powerpc64-linux-gnu,
powerpc-linux-gnu, s390x-linux-gnu, sparc64-linux-gnu, and
sparcv9-linux-gnu. I also run some tests on mips.
Reviewed-by: Siddhesh Poyarekar <siddhesh@sourceware.org>
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Use <arch-syscall.h> instead of <asm/unistd.h> to obtain the system
call numbers. A few direct includes of <asm/unistd.h> need to be
removed (if the system call numbers are already provided indirectly
by <sysdep.h>) or replaced with <sys/syscall.h>.
Current Linux headers for alpha define the required system call names,
so most of the _NR_* hacks are no longer needed. For the 32-bit arm
architecture, eliminate the INTERNAL_SYSCALL_ARM macro, now that we
have regular system call names for cacheflush and set_tls. There are
more such cleanup opportunities for other architectures, but these
cleanups are required to avoid macro redefinition errors during the
build.
For ia64, it is desirable to use <asm/break.h> directly to obtain
the break number for system calls (which is not a system call number
itself). This requires replacing __BREAK_SYSCALL with
__IA64_BREAK_SYSCALL because the former is defined as an alias in
<asm/unistd.h>, but not in <asm/break.h>.
Reviewed-by: Siddhesh Poyarekar <siddhesh@sourceware.org>
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This patch removes the PREPARE_VERSION and PREPARE_VERSION_KNOW macro
and uses a static inline function instead, get_vdso_symbol. Each
architecture that supports vDSO must define the Linux version and its
hash for symbol resolution (VDSO_NAME and VDSO_HASH macro respectively).
It also organizes the HAVE_*_VSYSCALL for mips, powerpc, and s390 to
define them on a common header.
The idea is to require less code to configure and enable vDSO support
for newer ports. No semantic changes are expected.
Checked with a build against all affected architectures.
* sysdeps/unix/make-syscalls.sh: Make vDSO call use get_vdso_symbol.
* sysdeps/unix/sysv/linux/aarch64/gettimeofday.c (__gettimeofday):
Use get_vdso_symbol instead of _dl_vdso_vsym.
* sysdeps/unix/sysv/linux/powerpc/time.c (time): Likewise.
* sysdeps/unix/sysv/linux/riscv/flush-icache.c
(__lookup_riscv_flush_icache): Likewise.
* sysdeps/unix/sysv/linux/x86/gettimeofday.c (__gettimeofday):
Likewise.
* sysdeps/unix/sysv/linux/x86/time.c (time): Likewise.
* sysdeps/unix/sysv/linux/powerpc/gettimeofday.c: Likewise.
* sysdeps/unix/sysv/linux/aarch64/init-first.c: Likewise.
* sysdeps/unix/sysv/linux/arm/init-first.c: Likewise.
* sysdeps/unix/sysv/linux/i386/init-first.c: Likewise.
* sysdeps/unix/sysv/linux/mips/init-first.c: Likewise.
* sysdeps/unix/sysv/linux/powerpc/init-first.c: Likewise.
* sysdeps/unix/sysv/linux/riscv/init-first.c: Likewise.
* sysdeps/unix/sysv/linux/sparc/init-first.c: Likewise.
* sysdeps/unix/sysv/linux/s390/init-first.c: Likewise.
* sysdeps/unix/sysv/linux/x86_64/init-first.c: Likewise.
* sysdeps/unix/sysv/linux/aarch64/sysdep.h (VDSO_NAME, VDSO_HASH):
Define.
* sysdeps/unix/sysv/linux/arm/sysdep.h (VDSO_NAME, VDSO_HASH):
Likewise.
* sysdeps/unix/sysv/linux/i386/sysdep.h (VDSO_NAME, VDSO_HASH):
Likewise.
* sysdeps/unix/sysv/linux/riscv/sysdep.h (VDSO_NAME, VDSO_HASH):
Likewise.
* sysdeps/unix/sysv/linux/sparc/sysdep.h (VDSO_NAME, VDSO_HASH):
Likewise.
* sysdeps/unix/sysv/linux/x86_64/sysdep.h (VDSO_NAME, VDSO_HASH):
Likewise.
* sysdeps/unix/sysv/linux/mips/mips32/sysdep.h
(HAVE_CLOCK_GETTIME_VSYSCALL, HAVE_GETTIMEOFDAY_VSYSCALL): Remove
definition.
* sysdeps/unix/sysv/linux/mips/mips64/n32/sysdep.h
(HAVE_CLOCK_GETTIME_VSYSCALL, HAVE_GETTIMEOFDAY_VSYSCALL): Likewise.
* sysdeps/unix/sysv/linux/mips/mips64/n64/sysdep.h
(HAVE_CLOCK_GETTIME_VSYSCALL, HAVE_GETTIMEOFDAY_VSYSCALL): Likewise.
* sysdeps/unix/sysv/linux/powerpc/powerpc32/sysdep.h
(HAVE_CLOCK_GETTIME_VSYSCALL, HAVE_GETTIMEOFDAY_VSYSCALL): Likewise.
* sysdeps/unix/sysv/linux/powerpc/powerpc64/sysdep.h
(HAVE_CLOCK_GETTIME_VSYSCALL, HAVE_GETTIMEOFDAY_VSYSCALL): Likewise.
* sysdeps/unix/sysv/linux/s390/s390-32/sysdep.h
(HAVE_CLOCK_GETRES_VSYSCALL, HAVE_CLOCK_GETTIME_VSYSCALL,
HAVE_GETTIMEOFDAY_VSYSCALL, HAVE_GETCPU_VSYSCALL): Likewise.
* sysdeps/unix/sysv/linux/s390/s390-64/sysdep.h
(HAVE_CLOCK_GETRES_VSYSCALL, HAVE_CLOCK_GETTIME_VSYSCALL,
HAVE_GETTIMEOFDAY_VSYSCALL, HAVE_GETCPU_VSYSCALL): Likewise.
* sysdeps/unix/sysv/linux/mips/sysdep.h: New file.
* sysdeps/unix/sysv/linux/powerpc/sysdep.h: Likewise.
* sysdeps/unix/sysv/linux/s390/sysdep.h: Likewise.
* sysdeps/unix/sysv/linux/dl-vdso.h (PREPARE_VERSION,
PREPARE_VERSION_KNOWN, VDSO_NAME_LINUX_2_6, VDSO_HASH_LINUX_2_6,
VDSO_NAME_LINUX_2_6_15, VDSO_HASH_LINUX_2_6_15,
VDSO_NAME_LINUX_2_6_29, VDSO_HASH_LINUX_2_6_29,
VDSO_NAME_LINUX_4_15, VDSO_HASH_LINUX_4_15): Remove defines.
(get_vdso_symbol): New function.
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Also, change sources.redhat.com to sourceware.org.
This patch was automatically generated by running the following shell
script, which uses GNU sed, and which avoids modifying files imported
from upstream:
sed -ri '
s,(http|ftp)(://(.*\.)?(gnu|fsf|sourceware)\.org($|[^.]|\.[^a-z])),https\2,g
s,(http|ftp)(://(.*\.)?)sources\.redhat\.com($|[^.]|\.[^a-z]),https\2sourceware.org\4,g
' \
$(find $(git ls-files) -prune -type f \
! -name '*.po' \
! -name 'ChangeLog*' \
! -path COPYING ! -path COPYING.LIB \
! -path manual/fdl-1.3.texi ! -path manual/lgpl-2.1.texi \
! -path manual/texinfo.tex ! -path scripts/config.guess \
! -path scripts/config.sub ! -path scripts/install-sh \
! -path scripts/mkinstalldirs ! -path scripts/move-if-change \
! -path INSTALL ! -path locale/programs/charmap-kw.h \
! -path po/libc.pot ! -path sysdeps/gnu/errlist.c \
! '(' -name configure \
-execdir test -f configure.ac -o -f configure.in ';' ')' \
! '(' -name preconfigure \
-execdir test -f preconfigure.ac ';' ')' \
-print)
and then by running 'make dist-prepare' to regenerate files built
from the altered files, and then executing the following to cleanup:
chmod a+x sysdeps/unix/sysv/linux/riscv/configure
# Omit irrelevant whitespace and comment-only changes,
# perhaps from a slightly-different Autoconf version.
git checkout -f \
sysdeps/csky/configure \
sysdeps/hppa/configure \
sysdeps/riscv/configure \
sysdeps/unix/sysv/linux/csky/configure
# Omit changes that caused a pre-commit check to fail like this:
# remote: *** error: sysdeps/powerpc/powerpc64/ppc-mcount.S: trailing lines
git checkout -f \
sysdeps/powerpc/powerpc64/ppc-mcount.S \
sysdeps/unix/sysv/linux/s390/s390-64/syscall.S
# Omit change that caused a pre-commit check to fail like this:
# remote: *** error: sysdeps/sparc/sparc64/multiarch/memcpy-ultra3.S: last line does not end in newline
git checkout -f sysdeps/sparc/sparc64/multiarch/memcpy-ultra3.S
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The user-visible preprocessor construct is called __has_include.
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* All files with FSF copyright notices: Update copyright dates
using scripts/update-copyrights.
* locale/programs/charmap-kw.h: Regenerated.
* locale/programs/locfile-kw.h: Likewise.
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<asm/syscalls.h> has been removed by
commit 27f8899d6002e11a6e2d995e29b8deab5aa9cc25
Author: David Abdurachmanov <david.abdurachmanov@gmail.com>
Date: Thu Nov 8 20:02:39 2018 +0100
riscv: add asm/unistd.h UAPI header
Marcin Juszkiewicz reported issues while generating syscall table for riscv
using 4.20-rc1. The patch refactors our unistd.h files to match some other
architectures.
- Add asm/unistd.h UAPI header, which has __ARCH_WANT_NEW_STAT only for 64-bit
- Remove asm/syscalls.h UAPI header and merge to asm/unistd.h
- Adjust kernel asm/unistd.h
So now asm/unistd.h UAPI header should show all syscalls for riscv.
<asm/syscalls.h> may be restored by
Subject: [PATCH] riscv: restore asm/syscalls.h UAPI header
Date: Tue, 11 Dec 2018 09:09:35 +0100
UAPI header asm/syscalls.h was merged into UAPI asm/unistd.h header,
which did resolve issue with missing syscalls macros resulting in
glibc (2.28) build failure. It also broke glibc in a different way:
asm/syscalls.h is being used by glibc. I noticed this while doing
Fedora 30/Rawhide mass rebuild.
The patch returns asm/syscalls.h header and incl. it into asm/unistd.h.
I plan to send a patch to glibc to use asm/unistd.h instead of
asm/syscalls.h
In the meantime, we use __has_include__, which was added to GCC 5, to
check if <asm/syscalls.h> exists before including it. Tested with
build-many-glibcs.py for riscv against kernel 4.19.12 and 4.20-rc7.
[BZ #24022]
* sysdeps/unix/sysv/linux/riscv/flush-icache.c: Check if
<asm/syscalls.h> exists with __has_include__ before including it.
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Linux-specific code that is required for maintaining ABI compatibility.
This doesn't contain the actual system call interface, that is split out
in order to avoid having a patch that's too big.
2018-01-29 Palmer Dabbelt <palmer@sifive.com>
* sysdeps/riscv/nptl/pthread-offsets.h: New file.
* sysdeps/riscv/nptl/pthreaddef.h: Likewise.
* sysdeps/unix/sysv/linux/riscv/bits/fcntl.h: Likewise.
* sysdeps/unix/sysv/linux/riscv/bits/mman.h: Likewise.
* sysdeps/unix/sysv/linux/riscv/bits/sigcontext.h: Likewise.
* sysdeps/unix/sysv/linux/riscv/dl-cache.h: Likewise.
* sysdeps/unix/sysv/linux/riscv/flush-icache.c: Likewise.
* sysdeps/unix/sysv/linux/riscv/getcontext.S: Likewise.
* sysdeps/unix/sysv/linux/riscv/init-first.c: Likewise.
* sysdeps/unix/sysv/linux/riscv/libc-vdso.h: Likewise.
* sysdeps/unix/sysv/linux/riscv/makecontext.c: Likewise.
* sysdeps/unix/sysv/linux/riscv/readelflib.c: Likewise.
* sysdeps/unix/sysv/linux/riscv/register-dump.h: Likewise.
* sysdeps/unix/sysv/linux/riscv/setcontext.S: Likewise.
* sysdeps/unix/sysv/linux/riscv/sigcontextinfo.h: Likewise.
* sysdeps/unix/sysv/linux/riscv/swapcontext.S: Likewise.
* sysdeps/unix/sysv/linux/riscv/sys/cachectl.h: Likewise.
* sysdeps/unix/sysv/linux/riscv/sys/procfs.h: Likewise.
* sysdeps/unix/sysv/linux/riscv/sys/ucontext.h: Likewise.
* sysdeps/unix/sysv/linux/riscv/sys/user.h: Likewise.
* sysdeps/unix/sysv/linux/riscv/ucontext-macros.h: Likewise.
* sysdeps/unix/sysv/linux/riscv/ucontext_i.sym: Likewise.
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