| Commit message (Collapse) | Author | Age | Files | Lines |
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The comment indicates that --hash-style=both was used to maintain
compatibility with static dlopen, but we had many internal ABI
changes since then, so this compatiblity does not add value anymore.
Reviewed-by: Carlos O'Donell <carlos@redhat.com>
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1. Also generate .d dependency files for $(tests-container) and
$(tests-printers).
2. elf: Add tst-auditmod17.os to extra-test-objs.
3. iconv: Add tst-gconv-init-failure-mod.os to extra-test-objs.
4. malloc: Rename extra-tests-objs to extra-test-objs.
5. linux: Add tst-sysconf-iov_max-uapi.o to extra-test-objs.
6. x86_64: Add tst-x86_64mod-1.o, tst-platformmod-2.o, test-libmvec.o,
test-libmvec-avx.o, test-libmvec-avx2.o and test-libmvec-avx512f.o to
extra-test-objs.
Reviewed-by: Carlos O'Donell <carlos@redhat.com>
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DT_RUNPATH is only used to find the immediate dependencies of the
executable or shared object containing the DT_RUNPATH entry:
1. Define link-test-modules-rpath-link if $(build-hardcoded-path-in-tests)
is yes.
2. Use $(link-test-modules-rpath-link) in build-module-helper so that
test modules can dlopen modules with DT_RUNPATH.
3. Add a test to show why link-test-modules-rpath-link is needed.
This partially fixes BZ #28455.
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Rename debug/tst-chk1.c to debug/tst-fortify.c and add make hackery to
autogenerate tests with different macros enabled to build and run the
same test with different configurations as well as different
fortification levels.
The change also ends up expanding the -lfs tests to include
_FORTIFY_SOURCE=3.
Signed-off-by: Siddhesh Poyarekar <siddhesh@sourceware.org>
Reviewed-by: Adhemerval Zanella <adhemerval.zanella@linaro.org>
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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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The installed programs are built with a combination of different
values for MODULE_NAME, as below. To enable both Long File Support
and 64 bt time, -D_TIME_BITS=64 -D_FILE_OFFSET_BITS=64 is added for
nonlibi, nscd, lddlibc4, libresolv, ldconfig, locale_programs,
iconvprogs, libnss_files, libnss_compat, libnss_db, libnss_hesiod,
libutil, libpcprofile, and libSegFault.
nscd/nscd
nscd/nscd.o MODULE_NAME=nscd
nscd/connections.o MODULE_NAME=nscd
nscd/pwdcache.o MODULE_NAME=nscd
nscd/getpwnam_r.o MODULE_NAME=nscd
nscd/getpwuid_r.o MODULE_NAME=nscd
nscd/grpcache.o MODULE_NAME=nscd
nscd/getgrnam_r.o MODULE_NAME=nscd
nscd/getgrgid_r.o MODULE_NAME=nscd
nscd/hstcache.o MODULE_NAME=nscd
nscd/gethstbyad_r.o MODULE_NAME=nscd
nscd/gethstbynm3_r.o MODULE_NAME=nscd
nscd/getsrvbynm_r.o MODULE_NAME=nscd
nscd/getsrvbypt_r.o MODULE_NAME=nscd
nscd/servicescache.o MODULE_NAME=nscd
nscd/dbg_log.o MODULE_NAME=nscd
nscd/nscd_conf.o MODULE_NAME=nscd
nscd/nscd_stat.o MODULE_NAME=nscd
nscd/cache.o MODULE_NAME=nscd
nscd/mem.o MODULE_NAME=nscd
nscd/nscd_setup_thread.o MODULE_NAME=nscd
nscd/xmalloc.o MODULE_NAME=nscd
nscd/xstrdup.o MODULE_NAME=nscd
nscd/aicache.o MODULE_NAME=nscd
nscd/initgrcache.o MODULE_NAME=nscd
nscd/gai.o MODULE_NAME=nscd
nscd/res_hconf.o MODULE_NAME=nscd
nscd/netgroupcache.o MODULE_NAME=nscd
nscd/cachedumper.o MODULE_NAME=nscd
elf/lddlibc4
elf/lddlibc4 MODULE_NAME=lddlibc4
elf/pldd
elf/pldd.o MODULE_NAME=nonlib
elf/xmalloc.o MODULE_NAME=nonlib
elf/sln
elf/sln.o MODULE_NAME=nonlib
elf/static-stubs.o MODULE_NAME=nonlib
elf/sprof MODULE_NAME=nonlib
elf/ldconfig
elf/ldconfig.o MODULE_NAME=ldconfig
elf/cache.o MODULE_NAME=nonlib
elf/readlib.o MODULE_NAME=nonlib
elf/xmalloc.o MODULE_NAME=nonlib
elf/xstrdup.o MODULE_NAME=nonlib
elf/chroot_canon.o MODULE_NAME=nonlib
elf/static-stubs.o MODULE_NAME=nonlib
elf/stringtable.o MODULE_NAME=nonlib
io/pwd
io/pwd.o MODULE_NAME=nonlib
locale/locale
locale/locale.o MODULE_NAME=locale_programs
locale/locale-spec.o MODULE_NAME=locale_programs
locale/charmap-dir.o MODULE_NAME=locale_programs
locale/simple-hash.o MODULE_NAME=locale_programs
locale/xmalloc.o MODULE_NAME=locale_programs
locale/xstrdup.o MODULE_NAME=locale_programs
locale/record-status.o MODULE_NAME=locale_programs
locale/xasprintf.o MODULE_NAME=locale_programs
locale/localedef
locale/localedef.o MODULE_NAME=locale_programs
locale/ld-ctype.o MODULE_NAME=locale_programs
locale/ld-messages.o MODULE_NAME=locale_programs
locale/ld-monetary.o MODULE_NAME=locale_programs
locale/ld-numeric.o MODULE_NAME=locale_programs
locale/ld-time.o MODULE_NAME=locale_programs
locale/ld-paper.o MODULE_NAME=locale_programs
locale/ld-name.o MODULE_NAME=locale_programs
locale/ld-address.o MODULE_NAME=locale_programs
locale/ld-telephone.o MODULE_NAME=locale_programs
locale/ld-measurement.o MODULE_NAME=locale_programs
locale/ld-identification.o MODULE_NAME=locale_programs
locale/ld-collate.o MODULE_NAME=locale_programs
locale/charmap.o MODULE_NAME=locale_programs
locale/linereader.o MODULE_NAME=locale_programs
locale/locfile.o MODULE_NAME=locale_programs
locale/repertoire.o MODULE_NAME=locale_programs
locale/locarchive.o MODULE_NAME=locale_programs
locale/md5.o MODULE_NAME=locale_programs
locale/charmap-dir.o MODULE_NAME=locale_programs
locale/simple-hash.o MODULE_NAME=locale_programs
locale/xmalloc.o MODULE_NAME=locale_programs
locale/xstrdup.o MODULE_NAME=locale_programs
locale/record-status.o MODULE_NAME=locale_programs
locale/xasprintf.o MODULE_NAME=locale_programs
catgets/gencat
catgets/gencat.o MODULE_NAME=nonlib
catgets/xmalloc.o MODULE_NAME=nonlib
nss/makedb
nss/makedb.o MODULE_NAME=nonlib
nss/xmalloc.o MODULE_NAME=nonlib
nss/hash-string.o MODULE_NAME=nonlib
nss/getent
nss/getent.o MODULE_NAME=nonlib
posix/getconf
posix/getconf.o MODULE_NAME=nonlib
login/utmpdump
login/utmpdump.o MODULE_NAME=nonlib
debug/pcprofiledump
debug/pcprofiledump.o MODULE_NAME=nonlib
timezone/zic
timezone/zic.o MODULE_NAME=nonlib
timezone/zdump
timezone/zdump.o MODULE_NAME=nonlib
iconv/iconv_prog
iconv/iconv_prog.o MODULE_NAME=nonlib
iconv/iconv_charmap.o MODULE_NAME=iconvprogs
iconv/charmap.o MODULE_NAME=iconvprogs
iconv/charmap-dir.o MODULE_NAME=iconvprogs
iconv/linereader.o MODULE_NAME=iconvprogs
iconv/dummy-repertoire.o MODULE_NAME=iconvprogs
iconv/simple-hash.o MODULE_NAME=iconvprogs
iconv/xstrdup.o MODULE_NAME=iconvprogs
iconv/xmalloc.o MODULE_NAME=iconvprogs
iconv/record-status.o MODULE_NAME=iconvprogs
iconv/iconvconfig
iconv/iconvconfig.o MODULE_NAME=nonlib
iconv/strtab.o MODULE_NAME=iconvprogs
iconv/xmalloc.o MODULE_NAME=iconvprogs
iconv/hash-string.o MODULE_NAME=iconvprogs
nss/libnss_files.so MODULE_NAME=libnss_files
nss/libnss_compat.so.2 MODULE_NAME=libnss_compat
nss/libnss_db.so MODULE_NAME=libnss_db
hesiod/libnss_hesiod.so MODULE_NAME=libnss_hesiod
login/libutil.so MODULE_NAME=libutil
debug/libpcprofile.so MODULE_NAME=libpcprofile
debug/libSegFault.so MODULE_NAME=libSegFault
Also, to avoid adding both LFS and 64 bit time support on internal
tests they are moved to a newer 'testsuite-internal' module. It
should be similar to 'nonlib' regarding internal definition and
linking namespace.
This patch also enables LFS and 64 bit support of libsupport container
programs (echo-container, test-container, shell-container, and
true-container).
Checked on x86_64-linux-gnu and i686-linux-gnu.
Reviewed-by: DJ Delorie <dj@redhat.com>
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Since
commit d73f5331ce5370ca5a879229e3842f5de98689cd
Author: Roland McGrath <roland@gnu.org>
Date: Fri May 2 02:20:45 2003 +0000
2003-05-01 Roland McGrath <roland@redhat.com>
dependency is generated by passing -MD -MF to compiler. Remove the unused
+mkdep, +make-deps, s-proto.S and s-proto-cancel.S.
This fixes BZ #28554.
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generate-md5 was removed by
commit d73f5331ce5370ca5a879229e3842f5de98689cd
Author: Roland McGrath <roland@gnu.org>
Date: Fri May 2 02:20:45 2003 +0000
2003-05-01 Roland McGrath <roland@redhat.com>
Remove its last trace. This fixes BZ #28554.
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Previously, the installed objects were named like libc-2.33.so,
and the ABI soname libc.so.6 was just a symbolic link.
The Makefile targets to install these symbolic links are no longer
needed after this, so they are removed with this commit. The more
general $(make-link) command (which invokes scripts/rellns-sh) is
retained because other symbolic links are still needed.
Reviewed-by: Carlos O'Donell <carlos@redhat.com>
Tested-by: Carlos O'Donell <carlos@rehdat.com>
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Also clarify that the "versioned" term refers to the soname, not the glibc
version (which also ends up in the installed file name).
Reviewed-by: Carlos O'Donell <carlos@redhat.com>
Tested-by: Carlos O'Donell <carlos@redhat.com>
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It is enabled through a new rule, tests-y2038, which is built only
when the ABI supports the comapt 64-bit time_t (defined by the
header time64-compat.h, which also enables the creation of the
symbol Version for Linux). It means the tests are not built
for ABI which already provide default 64-bit time_t.
The new rule already adds the required LFS and 64-bit time_t
compiler flags.
The current coverage is:
* libc:
- adjtime tst-adjtime-time64
- adjtimex tst-adjtimex-time64
- clock_adjtime tst-clock_adjtime-time64
- clock_getres tst-clock-time64, tst-cpuclock1-time64
- clock_gettime tst-clock-time64, tst-clock2-time64,
tst-cpuclock1-time64
- clock_nanosleep tst-clock_nanosleep-time64,
tst-cpuclock1-time64
- clock_settime tst-clock2-time64
- cnd_timedwait tst-cnd-timedwait-time64
- ctime tst-ctime-time64
- ctime_r tst-ctime-time64
- difftime tst-difftime-time64
- fstat tst-stat-time64
- fstatat tst-stat-time64
- futimens tst-futimens-time64
- futimes tst-futimes-time64
- futimesat tst-futimesat-time64
- fts_* tst-fts-time64
- getitimer tst-itimer-timer64
- getrusage
- gettimeofday tst-clock_nanosleep-time64
- glob / globfree tst-gnuglob64-time64
- gmtime tst-gmtime-time64
- gmtime_r tst-gmtime-time64
- lstat tst-stat-time64
- localtime tst-y2039-time64
- localtime_t tst-y2039-time64
- lutimes tst-lutimes-time64
- mktime tst-mktime4-time64
- mq_timedreceive tst-mqueue{1248}-time64
- mq_timedsend tst-mqueue{1248}-time64
- msgctl test-sysvmsg-time64
- mtx_timedlock tst-mtx-timedlock-time64
- nanosleep tst-cpuclock{12}-time64,
tst-mqueue8-time64, tst-clock-time64
- nftw / ftw ftwtest-time64
- ntp_adjtime tst-ntp_adjtime-time64
- ntp_gettime tst-ntp_gettime-time64
- ntp_gettimex tst-ntp_gettimex-time64
- ppoll tst-ppoll-time64
- pselect tst-pselect-time64
- pthread_clockjoin_np tst-join14-time64
- pthread_cond_clockwait tst-cond11-time64
- pthread_cond_timedwait tst-abstime-time64
- pthread_mutex_clocklock tst-abstime-time64
- pthread_mutex_timedlock tst-abstime-time64
- pthread_rwlock_clockrdlock tst-abstime-time64, tst-rwlock14-time64
- pthread_rwlock_clockwrlock tst-abstime-time64, tst-rwlock14-time64
- pthread_rwlock_timedrdlock tst-abstime-time64, tst-rwlock14-time64
- pthread_rwlock_timedwrlock tst-abstime-time64, tst-rwlock14-time64
- pthread_timedjoin_np tst-join14-time64
- recvmmsg tst-cancel4_2-time64
- sched_rr_get_interval tst-sched_rr_get_interval-time64
- select tst-select-time64
- sem_clockwait tst-sem5-time64
- sem_timedwait tst-sem5-time64
- semctl test-sysvsem-time64
- semtimedop test-sysvsem-time64
- setitimer tst-mqueue2-time64, tst-itimer-timer64
- settimeofday tst-settimeofday-time64
- shmctl test-sysvshm-time64
- sigtimedwait tst-sigtimedwait-time64
- stat tst-stat-time64
- thrd_sleep tst-thrd-sleep-time64
- time tst-mqueue{1248}-time64
- timegm tst-timegm-time64
- timer_gettime tst-timer4-time64
- timer_settime tst-timer4-time64
- timerfd_gettime tst-timerfd-time64
- timerfd_settime tst-timerfd-time64
- timespec_get tst-timespec_get-time64
- timespec_getres tst-timespec_getres-time64
- utime tst-utime-time64
- utimensat tst-utimensat-time64
- utimes tst-utimes-time64
- wait3 tst-wait3-time64
- wait4 tst-wait4-time64
* librt:
- aio_suspend tst-aio6-time64
- mq_timedreceive tst-mqueue{1248}-time64
- mq_timedsend tst-mqueue{1248}-time64
- timer_gettime tst-timer4-time64
- timer_settime tst-timer4-time64
* libanl:
- gai_suspend
Reviewed-by: Lukasz Majewski <lukma@denx.de>
Reviewed-by: Carlos O'Donell <carlos@redhat.com>
Tested-by: Carlos O'Donell <carlos@redhat.com>
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During statically linked bootstrap, the compiler does not have
the required startup files, so do a smaller dummy link to obtain
the output format information.
Fixes commit 87d583c6e8cd0e49f64da76636ebeec033298b4d ("install:
Replace scripts/output-format.sed with objdump -f [BZ #26559]").
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GNU ld and gold have supported --print-output-format since 2011. glibc
requires binutils>=2.25 (2015), so if LD is GNU ld or gold, we can
assume the option is supported.
lld is by default a cross linker supporting multiple targets. It auto
detects the file format and does not need OUTPUT_FORMAT. It does not
support --print-output-format.
By parsing objdump -f, we can support all the three linkers.
Reviewed-by: Adhemerval Zanella <adhemerval.zanella@linaro.org>
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I used these shell commands:
../glibc/scripts/update-copyrights $PWD/../gnulib/build-aux/update-copyright
(cd ../glibc && git commit -am"[this commit message]")
and then ignored the output, which consisted lines saying "FOO: warning:
copyright statement not found" for each of 6694 files FOO.
I then removed trailing white space from benchtests/bench-pthread-locks.c
and iconvdata/tst-iconv-big5-hkscs-to-2ucs4.c, to work around this
diagnostic from Savannah:
remote: *** pre-commit check failed ...
remote: *** error: lines with trailing whitespace found
remote: error: hook declined to update refs/heads/master
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* Makerules (shlib.lds): Discard linker warning output.
(format.lds): Likewise.
Reviewed-by: Carlos O'Donell <carlos@redhat.com>
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This was originally added to support binutils older than version
2.22:
<https://sourceware.org/ml/libc-alpha/2010-12/msg00051.html>
Since 2.22 is older than the minimum required binutils version
for building glibc, we no longer need this. (The changes do
not impact the statically linked startup code.)
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Since commit a3cc4f48e94f32c9532ee36982ac00eb1e5719b0 ("Remove
--as-needed configure test."), --as-needed support is no longer
optional.
The macros are not much shorter and do not provide documentary
value, either, so this commit removes them.
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Also, change sources.redhat.com to sourceware.org.
This patch was automatically generated by running the following shell
script, which uses GNU sed, and which avoids modifying files imported
from upstream:
sed -ri '
s,(http|ftp)(://(.*\.)?(gnu|fsf|sourceware)\.org($|[^.]|\.[^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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This patch eliminates the gen-py-const.awk variant of gen-as-const,
switching to use of gnu-as-const.py (with a new --python option) to
process .pysym files (i.e., to generate nptl_lock_constants.py), as
the syntax of those files is identical to that of .sym files.
Note that the generated nptl_lock_constants.py is *not* identical to
the version generated by the awk script. Apart from the trivial
changes (comment referencing the new script, and output being sorted),
the constant FUTEX_WAITERS, PTHREAD_MUTEXATTR_FLAG_BITS,
PTHREAD_MUTEXATTR_FLAG_PSHARED and PTHREAD_MUTEX_PRIO_CEILING_MASK are
now output as positive rather than negative constants (on x86_64
anyway; maybe not necessarily on 32-bit systems):
< FUTEX_WAITERS = -2147483648
---
> FUTEX_WAITERS = 2147483648
< PTHREAD_MUTEXATTR_FLAG_BITS = -251662336
< PTHREAD_MUTEXATTR_FLAG_PSHARED = -2147483648
---
> PTHREAD_MUTEXATTR_FLAG_BITS = 4043304960
> PTHREAD_MUTEXATTR_FLAG_PSHARED = 2147483648
< PTHREAD_MUTEX_PRIO_CEILING_MASK = -524288
---
> PTHREAD_MUTEX_PRIO_CEILING_MASK = 4294443008
This is because gen-as-const has a cast of the constant value to long
int, which gen-py-const lacks.
I think the positive values are more logically correct, since the
constants in question are in fact unsigned in C. But to reliably
produce gen-as-const.py output for constants that always (in C and
Python) reflects the signedness of values with the high bit of "long
int" set would mean more complicated logic needs to be used in
computing values.
The more correct positive values by themselves produce a failure of
nptl/test-mutexattr-printers, because masking with
~PTHREAD_MUTEXATTR_FLAG_BITS & ~PTHREAD_MUTEX_NO_ELISION_NP now leaves
a bit -1 << 32 in the Python value, resulting in a KeyError exception.
To avoid that, places masking with ~ of one of the constants in
question are changed to mask with 0xffffffff as well (this reflects
how ~ in Python applies to an infinite-precision integer whereas ~ in
C does not do any promotions beyond the width of int).
Tested for x86_64.
* scripts/gen-as-const.py (main): Handle --python option.
* scripts/gen-py-const.awk: Remove.
* Makerules (py-const-script): Use gen-as-const.py.
($(py-const)): Likewise.
* nptl/nptl-printers.py (MutexPrinter.read_status_no_robust): Mask
with 0xffffffff together with ~(PTHREAD_MUTEX_PRIO_CEILING_MASK).
(MutexAttributesPrinter.read_values): Mask with 0xffffffff
together with ~PTHREAD_MUTEXATTR_FLAG_BITS and
~PTHREAD_MUTEX_NO_ELISION_NP.
* manual/README.pretty-printers: Update reference to
gen-py-const.awk.
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This patch replaces gen-as-const.awk, and some fragments of the
Makefile code that used it, by a Python script. The point is not such
much that awk is problematic for this particular script, as that I'd
like to build up a general Python infrastructure for extracting
information from C headers, for use in writing tests of such headers.
Thus, although this patch does not set up such infrastructure, the
compute_c_consts function in gen-as-const.py might be moved to a
separate Python module in a subsequent patch as a starting point for
such infrastructure.
The general idea of the code is the same as in the awk version, but no
attempt is made to make the output files textually identical. When
generating a header, a dict of constant names and values is generated
internally then defines are printed in sorted order (rather than the
order in the .sym file, which would have been used before). When
generating a test that the values computed match those from a normal
header inclusion, the test code is made into a compilation test using
_Static_assert, where previously the comparisons were done only when
the test was executed. One fragment of test generation (converting
the previously generated header to use asconst_* prefixes on its macro
names) is still in awk code in the makefiles; only the .sym processing
and subsequent execution of the compiler to extract constants have
moved to the Python script.
Tested for x86_64, and with build-many-glibcs.py.
* scripts/gen-as-const.py: New file.
* scripts/gen-as-const.awk: Remove.
* Makerules ($(common-objpfx)%.h $(common-objpfx)%.h.d): Use
gen-as-const.py.
($(objpfx)test-as-const-%.c): Likewise.
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For architectures and ABIs that are added in version 2.29 or later the
option --enable-obsolete-nsl is no longer available, and no libnsl
compatibility library is built.
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* Makefile (testroot.pristine): New rules to initialize the
test-in-container "testroot".
* Makerules (all-testsuite): Add tests-container.
* Rules (tests-expected): Add tests-container.
(binaries-all-tests): Likewise.
(tests-container): New, run these tests in the testroot container.
* support/Makefile (others): Add *-container, support_paths.c,
xmkdirp, and links-dso-program.
* support/links-dso-program-c.c: New.
* support/links-dso-program.cc: New.
* support/test-container.c: New.
* support/shell-container.c: New.
* support/echo-container.c: New.
* support/true-container.c: New.
* support/xmkdirp.c: New.
* support/xsymlink.c: New.
* support/support_paths.c: New.
* support/support.h: Add support paths prototypes.
* support/xunistd.h: Add xmkdirp () and xsymlink ().
* nss/tst-nss-test3.c: Convert to test-in-container.
* nss/tst-nss-test3.root/: New.
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This removes the __libc_thread_subfreeres hook in favor of explict
calls.
Reviewed-by: Carlos O'Donell <carlos@redhat.com>
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Glibc build generates header files to define constants from special .sym
files. If a .sym file includes the same header file which it generates,
it leads to circular dependency which may lead to build hang on a
many-core machine. Define GEN_AS_CONST_HEADERS when generating header
files to avoid circular dependency.
<tcb-offsets.h> is needed for i686 and it isn't needed for x86-64 at
least since glibc 2.23.
Tested on i686 and x86-64.
[BZ #22792]
* Makerules ($(common-objpfx)%.h): Pass -DGEN_AS_CONST_HEADERS
to $(CC).
* sysdeps/unix/sysv/linux/i386/lowlevellock.h: Include
<tcb-offsets.h> only if GEN_AS_CONST_HEADERS isn't defined.
* sysdeps/unix/sysv/linux/x86_64/lowlevellock.h: Don't include
<tcb-offsets.h>.
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The RISC-V Linux ABI doesn't define any libraries that go directly in
lib, instead they go into lib32/ilp32 or lib64/lp64. This casuse
make-link-multidir to fail when attempting to make library directories
when building a static libc on multilib RISC-V systems.
This patch uses scripts/mkinstalldirs to make the base directory of the
target symlink of make-link-multidir.
2018-01-06 Palmer Dabbelt <palmer@sifive.com>
* Makerules (make-link-multidir): Make directories before linking into
them.
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* All files with FSF copyright notices: Update copyright dates
using scripts/update-copyrights.
* locale/programs/charmap-kw.h: Regenerated.
* locale/programs/locfile-kw.h: Likewise.
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When multi-lib GCC is used to build glibc, the search order of GCC driver
for crt*.o is -B*/`gcc -print-multi-directory`, the installed diretory,
-B*/. This patch adds multi-lib support to csu/Makefile so that
-B/glibc-build-directory/csu/ will pick up the newly built crt*.o.
Tested on x86-64 for i686 and x32.
[BZ #22362]
* Makerules (make-link-multidir): New.
* config.make.in (multidir): New.
* configure.ac (libc_cv_multidir): New. AC_SUBST.
* configure: Regenerated.
* csu/Makefile [$(multidir) != .](multilib-extra-objs): New.
[$(multidir) != .](extra-objs): Add $(multilib-extra-objs).
[$(multidir) != .]($(addprefix $(objpfx)$(multidir)/, $(install-lib))):
New target.
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Since sofini.os terminates .eh_frame section, it should be placed last.
[BZ #22051]
* Makerules (build-module-helper-objlist): Filter out
$(elf-objpfx)sofini.os.
(build-shlib-objlist): Append $(elf-objpfx)sofini.os if it is
needed.
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Some programs have more than one source files. These non-lib modules
should not be compiled with -DMODULE_NAME=libc. This patch puts these
non-lib modules in $(others-extras) and adds $(others-extras) to
all-nonlib.
[BZ #21864]
* Makerules (all-nonlib): Add $(others-extras).
* catgets/Makefile (others-extras): New.
* elf/Makefile (others-extras): Likewise.
* nss/Makefile (others-extras): Likewise.
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__need_FOPEN_MAX wasn't being used anywhere. __need_IOV_MAX was more
complicated; the basic deal is that sys/uio.h wants to define a
constant named UIO_MAXIOV and bits/xopen_lim.h wants to define a
constant named IOV_MAX, with the same meaning. For no apparent reason
this was being handled via bits/stdio_lim.h -- stdio.h is NOT supposed
to define IOV_MAX -- and some mess in Makerules. Also, bits/uio.h on
Linux was being used as a dumping ground for extension functions.
So now we have bits/uio_lim.h, which defines __IOV_MAX.
bits/xopen_lim.h and sys/uio.h use that to define their respective
constants. We also now have bits/uio-ext.h, which is the official
Proper Home for extensions to sys/uio.h. bits/uio.h is removed, and
stdio_lim.h doesn't define IOV_MAX at all.
* bits/uio_lim.h, sysdeps/unix/sysv/linux/bits/uio_lim.h
* bits/uio-ext.h, sysdeps/unix/sysv/linux/bits/uio-ext.h: New file.
* bits/uio.h, sysdeps/unix/sysv/linux/bits/uio.h: Delete file.
* include/bits/xopen_lim.h: Use bits/uio_lim.h to get the value
for IOV_MAX.
* misc/Makefile: Install bits/uio-ext.h and bits/uio_lim.h.
Don't install bits/uio.h.
* misc/sys/uio.h: Don't include bits/uio.h. Do include
bits/types/struct_iovec.h and bits/uio_lim.h. Set UIO_MAXIOV
based on __IOV_MAX. Under __USE_GNU, also include bits/uio-ext.h.
* stdio-common/stdio_lim.h.in: Remove logic for __need_FOPEN_MAX
and __need_IOV_MAX. Don't define IOV_MAX at all.
* Makerules (stdio_lim.h): Remove logic for setting IOV_MAX.
* sysdeps/unix/sysv/linux/bits/fcntl-linux.h:
Include bits/types/struct_iovec.h, not bits/uio.h.
Use __ssize_t, not ssize_t, in function prototypes.
Don't use hard TAB for double space after period in comments.
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<bits/std_abs.h> from GCC 7 will include /usr/include/stdlib.h from
"#include_next" (instead of stdlib/stdlib.h in the glibc source
directory), and this turns up as a make dependency. Also make a copy
of <bits/std_abs.h> to prevent it from including /usr/include/stdlib.h.
[BZ #21573]
* Makerules [$(c++-bits-std_abs-h) != ""] (before-compile): Add
$(common-objpfx)bits/std_abs.h.
[$(c++-bits-std_abs-h) != ""] ($(common-objpfx)bits/std_abs.h):
New target.
* config.make.in (c++-bits-std_abs-h): New.
* configure.ac (find_cxx_header): Use "\,$1," with sed.
(CXX_BITS_STD_ABS_H): New.
(AC_SUBST(CXX_BITS_STD_ABS_H)): Likewise.
* configure: Regenerated.
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This patch makes the glibc build generate an additional header
ldbl-compat-choose.h that defines LONG_DOUBLE_COMPAT_CHOOSE_* macros
for each libc and libm symbol, which select one or the other of their
arguments based on whether the symbol was added before a change to
long double != double.
The effect of this is that it is then possible to define a macro
maybe_long_double_symbol that automatically acts as either
long_double_symbol or weak_alias depending on when the symbol being
defined was added. This can be used when building long double
functions from type-generic templates. Thus, with this patch ldbl-opt
no longer needs special long double implementations of each new libm
function added using such a template, and the existing such
implementations are removed.
This is a step towards being able more generally to use common macros
to create all the aliases needed for a libm function, so reducing the
amount of special-case code needed in ldbl-opt and ldbl-64-128, and
facilitating subsequently adding *f32 / *f64 / *f128 / *f32x / *f64x
aliases to existing functions (where the set of aliases that a
function should have may depend on the architecture in various ways).
Tested with build-many-glibcs.py. Except for on
powerpc64le-linux-gnu, installed stripped shared libraries are
unchanged by the patch. powerpc64le-linux-gnu is the unique
configuration which used ldbl-opt from the start rather than adding a
new long double choice after originally only having had long double =
double. The effect of the patch there is that various cases that
previously used long_double_symbol unconditionally now use weak_alias
instead, so .os files contain e.g. a symbol cabsl instead of
cabsl@@GLIBC_2.17. The final dynamic symbols and versions in the
resulting shared libraries are unchanged (ABI tests pass), as is the
disassembly of the shared libraries, but the differences in the .os
files still result in different .gnu_hash contents in libm.so; the
differences are of no significance and logically using weak_alias is
what's most appropriate in those cases.
* scripts/versions.awk: Generate ldbl-compat-choose.h.
* sysdeps/ieee754/ldbl-opt/math-type-macros-ldouble.h: Include
<ldbl-compat-choose.h>.
(maybe_long_double_symbol): New macro.
[!declare_mgen_alias] (declare_mgen_alias): Use
maybe_long_double_symbol.
* sysdeps/ieee754/ldbl-opt/s_canonicalizel.c: Remove.
* sysdeps/ieee754/ldbl-opt/s_fmaxmagl.c: Likewise.
* sysdeps/ieee754/ldbl-opt/s_fminmagl.c: Likewise.
* sysdeps/ieee754/ldbl-opt/s_nextdownl.c: Likewise.
* sysdeps/ieee754/ldbl-opt/w_llogbl.c: Likewise.
* Makerules [$(build-shared) = yes && !avoid-generated]
(before-compile): Add $(common-objpfx)ldbl-compat-choose.h.
[$(build-shared) = yes && !avoid-generated]
($(common-objpfx)ldbl-compat-choose.h): New target.
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This patch arranges for the glibc build to generate a header
first-versions.h that defines macros for the earliest symbol version
in which each public symbol (GLIBC_[0-9]* symbol version, name only
uses C identifier characters) is available.
This is used in sysdeps/ieee754/ldbl-opt/math-type-macros-double.h to
replace the manually defined LDOUBLE_*_libm_version macros for various
functions defined using type-generic templates, the purpose of which
is to use in LONG_DOUBLE_COMPAT tests "was this function originally
added before glibc supported long double != double on this platform?".
As discussed in
<https://sourceware.org/ml/libc-alpha/2016-12/msg00246.html>, I expect
this to be useful more generally in reducing the amount of
special-case code needed in ldbl-opt and ldbl-64-128.
Tested with build-many-glibcs.py that installed stripped shared
libraries are unchanged by this patch.
* scripts/versions.awk: Generate first-versions.h.
* sysdeps/ieee754/ldbl-opt/math-type-macros-double.h: Include
<first-versions.h>.
(LDOUBLE_cabsl_libm_version): Remove macro.
(LDOUBLE_cargl_libm_version): Likewise.
(LDOUBLE_cimagl_libm_version): Likewise.
(LDOUBLE_conjl_libm_version): Likewise.
(LDOUBLE_creall_libm_version): Likewise.
(LDOUBLE_cacosl_libm_version): Likewise.
(LDOUBLE_cacoshl_libm_version): Likewise.
(LDOUBLE_ccosl_libm_version): Likewise.
(LDOUBLE_ccoshl_libm_version): Likewise.
(LDOUBLE_casinl_libm_version): Likewise.
(LDOUBLE_csinl_libm_version): Likewise.
(LDOUBLE_casinhl_libm_version): Likewise.
(LDOUBLE_csinhl_libm_version): Likewise.
(LDOUBLE_catanl_libm_version): Likewise.
(LDOUBLE_catanhl_libm_version): Likewise.
(LDOUBLE_ctanl_libm_version): Likewise.
(LDOUBLE_ctanhl_libm_version): Likewise.
(LDOUBLE_cexpl_libm_version): Likewise.
(LDOUBLE_clogl_libm_version): Likewise.
(LDOUBLE_cprojl_libm_version): Likewise.
(LDOUBLE_csqrtl_libm_version): Likewise.
(LDOUBLE_cpowl_libm_version): Likewise.
(LDOUBLE_clog10l_libm_version): Likewise.
(LDOUBLE___clog10l_libm_version): Likewise.
(LDOUBLE_fdiml_libm_version): Likewise.
(LDOUBLE_fmaxl_libm_version): Likewise.
(LDOUBLE_fminl_libm_version): Likewise.
(LDOUBLE_ilogbl_libm_version): Likewise.
(LDOUBLE_nanl_libm_version): Likewise.
[!M_LIBM_NEED_COMPAT] (M_LIBM_NEED_COMPAT): Use
FIRST_VERSION_libm_* macros.
[!declare_mgen_libm_compat] (declare_mgen_libm_compat): Likewise.
* Makerules [$(build-shared) = yes && !avoid-generated]
(before-compile): Add $(common-objpfx)first-versions.h.
[$(build-shared) = yes && !avoid-generated]
($(common-objpfx)first-versions.h): New target.
($(common-objpfx)sysd-versions): Depend on and change to rule for
building $(common-objpfx)versions.stmp.
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This patch adds a new build module called 'testsuite'.
IS_IN (testsuite) implies _ISOMAC, as do IS_IN_build and __cplusplus
(which means several ad-hoc tests for __cplusplus can go away).
libc-symbols.h now suppresses almost all of *itself* when _ISOMAC is
defined; in particular, _ISOMAC mode does not get config.h
automatically anymore.
There are still quite a few tests that need to see internal gunk of
one variety or another. For them, we now have 'tests-internal' and
'test-internal-extras'; files in this category will still be compiled
with MODULE_NAME=nonlib, and everything proceeds as it always has.
The bulk of this patch is moving tests from 'tests' to
'tests-internal'. There is also 'tests-static-internal', which has
the same effect on files in 'tests-static', and 'modules-names-tests',
which has the *inverse* effect on files in 'modules-names' (it's
inverted because most of the things in modules-names are *not* tests).
For both of these, the file must appear in *both* the new variable and
the old one.
There is also now a special case for when libc-symbols.h is included
without MODULE_NAME being defined at all. (This happens during the
creation of libc-modules.h, and also when preprocessing Versions
files.) When this happens, IS_IN is set to be always false and
_ISOMAC is *not* defined, which was the status quo, but now it's
explicit.
The remaining changes to C source files in this patch seemed likely to
cause problems in the absence of the main change. They should be
relatively self-explanatory. In a few cases I duplicated a definition
from an internal header rather than move the test to tests-internal;
this was a judgement call each time and I'm happy to change those
however reviewers feel is more appropriate.
* Makerules: New subdir configuration variables 'tests-internal'
and 'test-internal-extras'. Test files in these categories will
still be compiled with MODULE_NAME=nonlib. Test files in the
existing categories (tests, xtests, test-srcs, test-extras) are
now compiled with MODULE_NAME=testsuite.
New subdir configuration variable 'modules-names-tests'. Files
which are in both 'modules-names' and 'modules-names-tests' will
be compiled with MODULE_NAME=testsuite instead of
MODULE_NAME=extramodules.
(gen-as-const-headers): Move to tests-internal.
(do-tests-clean, common-mostlyclean): Support tests-internal.
* Makeconfig (built-modules): Add testsuite.
* Makefile: Change libof-check-installed-headers-c and
libof-check-installed-headers-cxx to 'testsuite'.
* Rules: Likewise. Support tests-internal.
* benchtests/strcoll-inputs/filelist#en_US.UTF-8:
Remove extra-modules.mk.
* config.h.in: Don't check for __OPTIMIZE__ or __FAST_MATH__ here.
* include/libc-symbols.h: Move definitions of _GNU_SOURCE,
PASTE_NAME, PASTE_NAME1, IN_MODULE, IS_IN, and IS_IN_LIB to the
very top of the file and rationalize their order.
If MODULE_NAME is not defined at all, define IS_IN to always be
false, and don't define _ISOMAC.
If any of IS_IN (testsuite), IS_IN_build, or __cplusplus are
true, define _ISOMAC and suppress everything else in this file,
starting with the inclusion of config.h.
Do check for inappropriate definitions of __OPTIMIZE__ and
__FAST_MATH__ here, but only if _ISOMAC is not defined.
Correct some out-of-date commentary.
* include/math.h: If _ISOMAC is defined, undefine NO_LONG_DOUBLE
and _Mlong_double_ before including math.h.
* include/string.h: If _ISOMAC is defined, don't expose
_STRING_ARCH_unaligned. Move a comment to a more appropriate
location.
* include/errno.h, include/stdio.h, include/stdlib.h, include/string.h
* include/time.h, include/unistd.h, include/wchar.h: No need to
check __cplusplus nor use __BEGIN_DECLS/__END_DECLS.
* misc/sys/cdefs.h (__NTHNL): New macro.
* sysdeps/m68k/m680x0/fpu/bits/mathinline.h
(__m81_defun): Use __NTHNL to avoid errors with GCC 6.
* elf/tst-env-setuid-tunables.c: Include config.h with _LIBC
defined, for HAVE_TUNABLES.
* inet/tst-checks-posix.c: No need to define _ISOMAC.
* intl/tst-gettext2.c: Provide own definition of N_.
* math/test-signgam-finite-c99.c: No need to define _ISOMAC.
* math/test-signgam-main.c: No need to define _ISOMAC.
* stdlib/tst-strtod.c: Convert to test-driver. Split locale_test to...
* stdlib/tst-strtod1i.c: ...this new file.
* stdlib/tst-strtod5.c: Convert to test-driver and add copyright notice.
Split tests of __strtod_internal to...
* stdlib/tst-strtod5i.c: ...this new file.
* string/test-string.h: Include stdint.h. Duplicate definition of
inhibit_loop_to_libcall here (from libc-symbols.h).
* string/test-strstr.c: Provide dummy definition of
libc_hidden_builtin_def when including strstr.c.
* sysdeps/ia64/fpu/libm-symbols.h: Suppress entire file in _ISOMAC
mode; no need to test __STRICT_ANSI__ nor __cplusplus as well.
* sysdeps/x86_64/fpu/math-tests-arch.h: Include cpu-features.h.
Don't include init-arch.h.
* sysdeps/x86_64/multiarch/test-multiarch.h: Include cpu-features.h.
Don't include init-arch.h.
* elf/Makefile: Move tst-ptrguard1-static, tst-stackguard1-static,
tst-tls1-static, tst-tls2-static, tst-tls3-static, loadtest,
unload, unload2, circleload1, neededtest, neededtest2,
neededtest3, neededtest4, tst-tls1, tst-tls2, tst-tls3,
tst-tls6, tst-tls7, tst-tls8, tst-dlmopen2, tst-ptrguard1,
tst-stackguard1, tst-_dl_addr_inside_object, and all of the
ifunc tests to tests-internal.
Don't add $(modules-names) to test-extras.
* inet/Makefile: Move tst-inet6_scopeid_pton to tests-internal.
Add tst-deadline to tests-static-internal.
* malloc/Makefile: Move tst-mallocstate and tst-scratch_buffer to
tests-internal.
* misc/Makefile: Move tst-atomic and tst-atomic-long to tests-internal.
* nptl/Makefile: Move tst-typesizes, tst-rwlock19, tst-sem11,
tst-sem12, tst-sem13, tst-barrier5, tst-signal7, tst-tls3,
tst-tls3-malloc, tst-tls5, tst-stackguard1, tst-sem11-static,
tst-sem12-static, and tst-stackguard1-static to tests-internal.
Link tests-internal with libpthread also.
Don't add $(modules-names) to test-extras.
* nss/Makefile: Move tst-field to tests-internal.
* posix/Makefile: Move bug-regex5, bug-regex20, bug-regex33,
tst-rfc3484, tst-rfc3484-2, and tst-rfc3484-3 to tests-internal.
* stdlib/Makefile: Move tst-strtod1i, tst-strtod3, tst-strtod4,
tst-strtod5i, tst-tls-atexit, and tst-tls-atexit-nodelete to
tests-internal.
* sunrpc/Makefile: Move tst-svc_register to tests-internal.
* sysdeps/powerpc/Makefile: Move test-get_hwcap and
test-get_hwcap-static to tests-internal.
* sysdeps/unix/sysv/linux/Makefile: Move tst-setgetname to
tests-internal.
* sysdeps/x86_64/fpu/Makefile: Add all libmvec test modules to
modules-names-tests.
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cppflags-iterator.mk no longer has anything to do with CPPFLAGS; all
it does is set libof-$(foo) for a list of files. extra-modules.mk
does the same thing, but with a different input variable, and doesn't
let the caller control the module. Therefore, this patch gives
cppflags-iterator.mk a better name, removes extra-modules.mk, and
updates all uses of both.
* extra-modules.mk: Delete file.
* cppflags-iterator.mk: Rename to ...
* libof-iterator.mk: ...this. Adjust comments.
* Makerules, extra-lib.mk, benchtests/Makefile, elf/Makefile
* elf/rtld-Rules, iconv/Makefile, locale/Makefile, malloc/Makefile
* nscd/Makefile, sunrpc/Makefile, sysdeps/s390/Makefile:
Use libof-iterator.mk instead of cppflags-iterator.mk or
extra-modules.mk.
* benchtests/strcoll-inputs/filelist#en_US.UTF-8: Remove
extra-modules.mk and cppflags-iterator.mk, add libof-iterator.mk.
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Install libm.a as linker script to avoid static link fail w/o passing
additional -lmvec option while building with GCC >= 6.1.
[BZ #20539]
* math/Makefile (install-lib-ldscripts): Add libm.a.
(install_subdir): Remove.
(install-others): Add.
($(inst_libdir)/libm.a): Add rule for installation as
linker script.
* Makerules (install-lib.a): Filter out install-lib-ldscripts.
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This patch adds pretty printers for the following NPTL types:
- pthread_mutex_t
- pthread_mutexattr_t
- pthread_cond_t
- pthread_condattr_t
- pthread_rwlock_t
- pthread_rwlockattr_t
To load the pretty printers into your gdb session, do the following:
python
import sys
sys.path.insert(0, '/path/to/glibc/build/nptl/pretty-printers')
end
source /path/to/glibc/source/pretty-printers/nptl-printers.py
You can check which printers are registered and enabled by issuing the
'info pretty-printer' gdb command. Printers should trigger automatically when
trying to print a variable of one of the types mentioned above.
The printers are architecture-independent, and were tested on an AMD64 running
Ubuntu 14.04 and an x86 VM running Fedora 24.
In order to work, the printers need to know the values of various flags that
are scattered throughout pthread.h and pthreadP.h as enums and #defines. Since
replicating these constants in the printers file itself would create a
maintenance burden, I wrote a script called gen-py-const.awk that Makerules uses
to extract the constants. This script is pretty much the same as gen-as-const.awk,
except it doesn't cast the constant values to 'long' and is thorougly documented.
The constants need only to be enumerated in a .pysym file, which is then referenced
by a Make variable called gen-py-const-headers.
As for the install directory, I discussed this with Mike Frysinger and Siddhesh
Poyarekar, and we agreed that it can be handled in a separate patch, and shouldn't
block merging of this one.
In addition, I've written a series of test cases for the pretty printers.
Each lock type (mutex, condvar and rwlock) has two test programs, one for itself
and other for its related 'attributes' object. Each test program in turn has a
PExpect-based Python script that drives gdb and compares its output to the
expected printer's. The tests run on the glibc host, which is assumed to have
both gdb and PExpect; if either is absent the tests will fail with code 77
(UNSUPPORTED). For cross-testing you should use cross-test-ssh.sh as test-wrapper.
I've tested the printers on both native builds and a cross build using a Beaglebone
Black running Debian, with the build system's filesystem shared with the board
through NFS.
Finally, I've written a README that explains all this and more.
* INSTALL: Regenerated.
* Makeconfig: Add comments and whitespace to make the control flow
clearer.
(+link-printers-tests, +link-pie-printers-tests, CFLAGS-printers-tests,
installed-rtld-LDFLAGS, built-rtld-LDFLAGS, link-libc-rpath,
link-libc-tests-after-rpath-link, link-libc-printers-tests): New.
(rtld-LDFLAGS, rtld-tests-LDFLAGS, link-libc-tests-rpath-link,
link-libc-tests): Use the new variables as required.
* Makerules ($(py-const)): New rule.
generated: Add $(py-const).
* README.pretty-printers: New file.
* Rules (tests-printers-programs, tests-printers-out, py-env): New.
(others): Depend on $(py-const).
(tests): Depend on $(tests-printers-programs) or $(tests-printers-out),
as required. Pass $(tests-printers) to merge-test-results.sh.
* manual/install.texi: Add requirements for testing the pretty printers.
* nptl/Makefile (gen-py-const-headers, pretty-printers, tests-printers,
CFLAGS-test-mutexattr-printers.c CFLAGS-test-mutex-printers.c,
CFLAGS-test-condattr-printers.c, CFLAGS-test-cond-printers.c,
CFLAGS-test-rwlockattr-printers.c CFLAGS-test-rwlock-printers.c,
tests-printers-libs): Define.
* nptl/nptl-printers.py: New file.
* nptl/nptl_lock_constants.pysym: Likewise.
* nptl/test-cond-printers.c: Likewise.
* nptl/test-cond-printers.py: Likewise.
* nptl/test-condattr-printers.c: Likewise.
* nptl/test-condattr-printers.py: Likewise.
* nptl/test-mutex-printers.c: Likewise.
* nptl/test-mutex-printers.py: Likewise.
* nptl/test-mutexattr-printers.c: Likewise.
* nptl/test-mutexattr-printers.py: Likewise.
* nptl/test-rwlock-printers.c: Likewise.
* nptl/test-rwlock-printers.py: Likewise.
* nptl/test-rwlockattr-printers.c: Likewise.
* nptl/test-rwlockattr-printers.py: Likewise.
* scripts/gen-py-const.awk: Likewise.
* scripts/test_printers_common.py: Likewise.
* scripts/test_printers_exceptions.py: Likewise.
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This reduces the build time somewhat and is particularly noticeable
during rebuilds with few code changes.
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This was used by --enable-omitfp, and the bulk of it was removed in this
commit:
commit bdeba1354b7364d9b7857a048286a71ddbcdff86
Author: Ulrich Drepper <drepper@gmail.com>
Date: Sat Jan 7 11:29:31 2012 -0500
Remove --enable-omitfp support
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This reverts commit 62ce266b0b261def2c6329be9814ffdcc11964d6.
The change is not mature enough because it needs the following fixes:
1. Redirect test output to a file like other tests
2. Eliminate the need to use a .gdbinit because distributions will
break without it. I should have caught that but I was in too much
of a hurry to get the patch in :/
3. Feature checking during configure to determine things like minimum
required gdb version, python-pexpect version, etc. to make sure
that tests work correctly.
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This patch adds pretty printers for the following NPTL types:
- pthread_mutex_t
- pthread_mutexattr_t
- pthread_cond_t
- pthread_condattr_t
- pthread_rwlock_t
- pthread_rwlockattr_t
To load the pretty printers into your gdb session, do the following:
python
import sys
sys.path.insert(0, '/path/to/glibc/build/nptl/pretty-printers')
end
source /path/to/glibc/source/pretty-printers/nptl-printers.py
You can check which printers are registered and enabled by issuing the
'info pretty-printer' gdb command. Printers should trigger automatically when
trying to print a variable of one of the types mentioned above.
The printers are architecture-independent, and were manually tested on both
the gdb CLI and Eclipse CDT.
In order to work, the printers need to know the values of various flags that
are scattered throughout pthread.h and pthreadP.h as enums and #defines. Since
replicating these constants in the printers file itself would create a
maintenance burden, I wrote a script called gen-py-const.awk that Makerules uses
to extract the constants. This script is pretty much the same as gen-as-const.awk,
except it doesn't cast the constant values to 'long' and is thorougly documented.
The constants need only to be enumerated in a .pysym file, which is then referenced
by a Make variable called gen-py-const-headers.
As for the install directory, I discussed this with Mike Frysinger and Siddhesh
Poyarekar, and we agreed that it can be handled in a separate patch, and it shouldn't
block merging of this one.
In addition, I've written a series of test cases for the pretty printers.
Each lock type (mutex, condvar and rwlock) has two test programs, one for itself
and other for its related 'attributes' object. Each test program in turn has a
PExpect-based Python script that drives gdb and compares its output to the
expected printer's. The tests run on the glibc host, which is assumed to have
both gdb and PExpect; if either is absent the tests will fail with code 77
(UNSUPPORTED). For cross-testing you should use cross-test-ssh.sh as test-wrapper.
I've tested the printers on both a native build and a cross build using a Beaglebone
Black, with the build system's filesystem shared with the board through NFS.
Finally, I've written a README that explains all this and more.
Hopefully this should be good to go in now. Thanks.
ChangeLog:
2016-07-04 Martin Galvan <martin.galvan@tallertechnologies.com>
* Makeconfig (build-hardcoded-path-in-tests): Set to 'yes' for shared builds
if tests-need-hardcoded-path is defined.
(all-subdirs): Add pretty-printers.
* Makerules ($(py-const)): New rule.
* Rules (others): Add $(py-const), if defined.
* nptl/Makefile (gen-py-const-headers): Define.
* nptl/nptl-printers.py: New file.
* nptl/nptl_lock_constants.pysym: Likewise.
* pretty-printers/Makefile: Likewise.
* pretty-printers/README: Likewise.
* pretty-printers/test-condvar-attributes.c: Likewise.
* pretty-printers/test-condvar-attributes.p: Likewise.
* pretty-printers/test-condvar-printer.c: Likewise.
* pretty-printers/test-condvar-printer.py: Likewise.
* pretty-printers/test-mutex-attributes.c: Likewise.
* pretty-printers/test-mutex-attributes.py: Likewise.
* pretty-printers/test-mutex-printer.c: Likewise.
* pretty-printers/test-mutex-printer.py: Likewise.
* pretty-printers/test-rwlock-attributes.c: Likewise.
* pretty-printers/test-rwlock-attributes.py: Likewise.
* pretty-printers/test-rwlock-printer.c: Likewise.
* pretty-printers/test-rwlock-printer.py: Likewise.
* pretty-printers/test_common.py: Likewise.
* scripts/gen-py-const.awk: Likewise.
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If C++ headers <cstdlib> or <cmath> are used, GCC 6 will include
/usr/include/stdlib.h or /usr/include/math.h from "#include_next"
(instead of stdlib/stdlib.h or math/math.h in the glibc source
directory), and this turns up as a make dependency. An implicit
rule will kick in and make will try to install stdlib/stdlib.h or
math/math.h as /usr/include/stdlib.h or /usr/include/math.h because
the target is out of date. We make a copy of <cstdlib> and <cmath>
in the glibc build directory so that stdlib/stdlib.h and math/math.h
will be used instead of /usr/include/stdlib.h and /usr/include/math.h.
[BZ #20314]
* Makeconfig (CXXFLAGS): Prepend -I$(common-objpfx).
* Makerules (before-compile): Add $(common-objpfx)cstdlib and
$(common-objpfx)cmath.
($(common-objpfx)cstdlib): New target.
($(common-objpfx)cmath): Likewise.
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This commit puts all libio vtables in a dedicated, read-only ELF
section, so that they are consecutive in memory. Before any indirect
jump, the vtable pointer is checked against the section boundaries,
and the process is terminated if the vtable pointer does not fall into
the special ELF section.
To enable backwards compatibility, a special flag variable
(_IO_accept_foreign_vtables), protected by the pointer guard, avoids
process termination if libio stream object constructor functions have
been called earlier. Such constructor functions are called by the GCC
2.95 libstdc++ library, and this mechanism ensures compatibility with
old binaries. Existing callers inside glibc of these functions are
adjusted to call the original functions, not the wrappers which enable
vtable compatiblity.
The compatibility mechanism is used to enable passing FILE * objects
across a static dlopen boundary, too.
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* scripts/update-abilist.sh: New file.
* Makefile (+subdir_targets): Add subdir_update-all-abi.
* Makerules (update-all-abi-%, update-all-abi)
(subdir_update-all-abi): New targets.
* elf/Makefile (update-all-abi): New target.
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