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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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* 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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* 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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Commit 67385a01d229751569b6aac067ffdcd813a15d7a added a new feature for
powerpc, where we store HWCAP/Platform bits in the TCB. In the dynamic
linking case, we use the versioned symbol
'__parse_hwcap_and_convert_at_platform' to verify if this feature is
available. However, the same symbol was not exported to libc.a, making
it not possible for GCC to check for it prior to link time.
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This patch adds a new feature for powerpc. In order to get faster access to
the HWCAP/HWCAP2 bits and platform number (i.e. for implementing
__builtin_cpu_is () / __builtin_cpu_supports () in GCC) without the overhead of
reading from the auxiliary vector, we now reserve space for them in the TCB.
This is an ABI change for GLIBC 2.23.
A new versioned symbol '__parse_hwcap_and_convert_at_platform' is available to
get the data from the auxiliary vector and parse it, and store it for later use
in the TLS initialization code. This function is called very early
(in _dl_sysdep_start () via DL_PLATFORM_INFO for the dynamic linking case, and
in __libc_start_main () for the static linking case) to make sure the data is
available at the time of TLS initialization.
* sysdeps/powerpc/Makefile (sysdep-dl-routines): Add hwcapinfo.
(sysdep_routines): Likewise.
(sysdep-rtld-routines): Likewise.
[$(subdir) = nptl](tests): Add test-get_hwcap and test-get_hwcap-static
[$(subdir) = nptl](tests-static): test-get_hwcap-static
* sysdeps/powerpc/Versions: Added new
__parse_hwcap_and_convert_at_platform symbol to GLIBC-2.23.
* sysdeps/powerpc/hwcapinfo.c: New file.
(__tcb_parse_hwcap_and_convert_at_platform): New function to initialize
and parse hwcap, hwcap2 and platform number information.
* sysdeps/powerpc/hwcapinfo.h: New file. Creates global variables
to store HWCAP+HWCAP2 and platform number.
* sysdeps/powerpc/nptl/tcb-offsets.sym: Added new offsets
for HWCAP+HWCAP2 and platform number in the TCB.
* sysdeps/powerpc/nptl/tls.h: New functionality. Stores
the HWCAP, HWCAP2 and platform number in the TCB.
(dtv): Added new fields for HWCAP+HWCAP2 and platform number.
(TLS_INIT_TP): Included calls to add the hwcap and
at_platform values in the TCB in TP initialization.
(TLS_DEFINE_INIT_TP): Likewise.
(THREAD_GET_HWCAP): New macro.
(THREAD_SET_HWCAP): Likewise.
(THREAD_GET_AT_PLATFORM): Likewise.
(THREAD_SET_AT_PLATFORM): Likewise.
* sysdeps/powerpc/powerpc32/dl-machine.h:
(dl_platform_init): New function that calls
__parse_hwcap_and_convert_at_platform for the dymanic linking case for
powerpc32.
* sysdeps/powerpc/powerpc64/dl-machine.h: Likewise, for powerpc64.
* sysdeps/powerpc/test-get_hwcap-static.c: New file. Testcase for
this functionality, static linking case.
* sysdeps/powerpc/test-get_hwcap.c: New file. Likewise, dynamic
linking case.
* sysdeps/unix/sysv/linux/powerpc/libc-start.c: Added call to
__parse_hwcap_and_convert_at_platform for the static linking case.
* sysdeps/unix/sysv/linux/powerpc/powerpc32/ld.abilist:
Included the new __parse_hwcap_and_convert_at_platform symbol in the
ABI list for GLIBC 2.23.
* sysdeps/unix/sysv/linux/powerpc/powerpc64/ld-le.abilist:
Likewise.
* sysdeps/unix/sysv/linux/powerpc/powerpc64/ld.abilist:
Likewise.
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