| 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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We stopped adding "Contributed by" or similar lines in sources in 2012
in favour of git logs and keeping the Contributors section of the
glibc manual up to date. Removing these lines makes the license
header a bit more consistent across files and also removes the
possibility of error in attribution when license blocks or files are
copied across since the contributed-by lines don't actually reflect
reality in those cases.
Move all "Contributed by" and similar lines (Written by, Test by,
etc.) into a new file CONTRIBUTED-BY to retain record of these
contributions. These contributors are also mentioned in
manual/contrib.texi, so we just maintain this additional record as a
courtesy to the earlier developers.
The following scripts were used to filter a list of files to edit in
place and to clean up the CONTRIBUTED-BY file respectively. These
were not added to the glibc sources because they're not expected to be
of any use in future given that this is a one time task:
https://gist.github.com/siddhesh/b5ecac94eabfd72ed2916d6d8157e7dc
https://gist.github.com/siddhesh/15ea1f5e435ace9774f485030695ee02
Reviewed-by: Carlos O'Donell <carlos@redhat.com>
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Some targets have a GLIBC_2.0 baseline for libdl, while using
GLIBC_2.2 for libc. This means that the generated libc.map file
does not have any version nodes for GLIBC_2.0 or GLIBC_2.1. However,
moving symbols from libdl into libc needs such version nodes.
(Future symbol moves from librt will need this as well.)
This kludge is only necessary for symbols predating GLIBC_2.2 because
the affected targets use GLIBC_2.2 as the baseline for libc. Given
the small number and fixed set of affected architectures, no generic
mechanism is implemented, and instead the map file fragment is
hard-coded in scripts/versions.mk.
The compat_symbol macro already emits the appropriate version strings,
so no adjustments are needed there.
Reviewed-by: Adhemerval Zanella <adhemerval.zanella@linaro.org>
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This requires that all exported symbol versions are listed in
Versions files. It results in more consistent behavior across
architectures because previously, symbols could be exported
via explicit versioned_symbol and compat_symbol macros if the
version node existed in some Versions file (without listing the
symbol), and it was not the base version for the library (which
already had the local: * directive).
Reviewed-by: Adhemerval Zanella <adhemerval.zanella@linaro.org>
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This generates new macros of this from:
They are useful for symbol lookups using _dl_lookup_direct.
Tested-by: Carlos O'Donell <carlos@redhat.com>
Reviewed-by: Carlos O'Donell <carlos@redhat.com>
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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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* 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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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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Ulrich Drepper <drepper@redhat.com>
* scripts/firstversion.awk: Use custom comparison function to compare
version numbers.
* scripts/versions.awk: Use sort invocation which can handle
multi-digit sub-version numbers.
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* scripts/versions.awk: Print all errors and die at the end.
Use library name in versions array keys.
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Each version inherits from the last one only if they have the same
nonnumeric prefix, i.e. GLIBC_x.y and GLIBC_x.z or FOO_x and FOO_y
but not GLIBC_x and FOO_y.
* scripts/firstversions.awk: Handle libraries that don't have each
particular version named in the third column of shlib-versions.
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* string/tester.c: Add tests for strcasecmp and strncasecmp.
* Versions.def (libc): Add GCC_3.0.
__deregister_frame_info_bases, _Unwind_Find_FDE): Add for GCC_3.0.
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libraries properly.
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supported version for libc 0.2.90.libio to GLIBC_2.2.
* Makeconfig (soversions.mk): Grok new third column in shlib-versions,
and use it to emit new variable `map-firstversions'.
* scripts/firstversions.awk: New file.
* Makerules (Versions.all): Use scripts/firstversions.awk and
the $(map-firstversions) value to generate a modified versions list
that includes renames in "A = B" syntax for each version set earlier
than the "earliest symbol version" named in shlib-versions.
* scripts/versions.awk: Recognize "A = B" lines in the input to mean
rename version set A to B in the output to the intermediate file.
* scripts/abi-versions.awk: New file.
* Makerules (abi-versions.h): New target, generated by that script.
[$(versioning) = yes] (before-compile): Prepend abi-versions.h.
* include/shlib-compat.h: New file, uses that generated header.
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* scripts/versions.awk: Don't expect to read predecessor versions,
compute them.
* Versions.def: Remove predecessors. They get now computed.
1999-11-14 Ulrich Drepper <drepper@cygnus.com>
Patches by Franz Sirl <Franz.Sirl@lauterbach.com>.
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1999-02-06 Ulrich Drepper <drepper@cygnus.com>
* Versions.def: Add versions for ld.so.
* csu/Versions: Remove __libc_stack_end here.
* elf/Versions: Split libc definitions in libc and ld.so definitions.
* elf/Makefile (ld-map): Change to ld.so.map.
* scripts/versions.awk: Recognize dot in library names.
* ctype/ctype.h: Remove definitions of __tolower and __toupper.
Don't use __tolower and __toupper in inline functions.
Add optimizing macros for tolower and toupper.
* ctype/ctype-extn.c (_tolower): Don't use __tolower.
(_toupper): Don't use __toupper.
* ctype/ctype.c (tolower): Don't use __tolower.
(toupper): Don't use toupper.
* nscd/cache.c (prune_cache): Correct printing of debugging messages.
* resolv/Versions (libresolv): Export __ns_name_unpack and
__ns_name_ntop.
* resolv/res_comp.c: Rename ns_name_unpack to __ns_name_unpack and
make it global. Change all users. Similar for ns_name_ntop.
* resolv/nss_dns/dns-host.c: Don't use dn_expand when extracting in
user-provided buffer. Use __ns_name_unpack and __ns_name_ntop
directly to detect too small buffer.
* stdio-common/Makefile (tests): Add scanf12.
* stdio-common/scanf12.c: New file.
* stdio-common/scanf12.input: New file.
* stdio-common/vfscanf.c (__vfscanf): Handle +/- at beginning of
floating-point correctly if the number is invalid.
* stdio-common/vfscanf.c: Don't use non-reentrant multibyte conversion
* stdio-common/printf_fphex.c: Likewise.
* stdio-common/vfprintf.c: Likewise.
See ChangeLog.9 for earlier changes.
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* scripts/versions.awk: Quote { in regexp.
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1998-09-23 13:52 Ulrich Drepper <drepper@cygnus.com>
* Makeconfig (all-subdirs): Add db.
* Versions.def: Add definition for libdb1.
* shlib-versions: Add definitions for libdb1.
* db/Makefile (extra-libs): Replace by libdb1.
(libdb-routines): Rename to libdb1-routines.
(headers): Rename to db1-headers.
(distribute): Add $(db1-headers).
(install-others): Define to install symlink libdb.so.NN and the
$(db1-headers).
(CPPFLAGS): Add -USE_LIBDB1
Remove rules to build makedb.
* db/Versions: Rename libdb to libdb1.
* include/db.h: If USE_LIBDB1 is defined include db/db.h.
* scripts/versions.awk: Recognize digits in library names.
* db/btree/bt_open.c: Fix compiler warnings.
* db/btree/bt_put.c: Likewise.
* db/btree/bt_split.c: Likewise.
* db/hash/hash.c: Likewise.
* db/hash/hash_bigkey.c: Likewise.
* db/recno/rec_close.c: Likewise.
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1998-07-08 22:18 Ulrich Drepper <drepper@cygnus.com>
* elf/Versions: Add _dl_mcount_wrapper_check.
* elf/dlfcn.h (DL_CALL_FCT): Don't test _dl_profile_map, simply use
_dl_mcount_wrapper_check.
* iconv/skeleton.c: Use DL_CALL_FCT, not _CALL_DL_FCT.
* elf/dl-reloc.c (_dl_relocate_object): Don't declare using
internal_function.
* elf/ldsodefs.h: Likewise.
* io/fcntl.h: Define SEEK_SET, SEEK_CUR, and SEEK_END.
* libio/stdio.h: Make sure va_list is defined for X/Open.
Define P_tmpdir for X/Open.
* posix/regex.h: Fix typo.
* posix/unistd.h: Define intptr_t if not already happened.
Add pthread_atfork prototype.
* sysdeps/generic/bits/types.h: Define __intptr_t.
* sysdeps/unix/sysv/linux/alpha/bits/types.h: Likewise.
* sysdeps/unix/sysv/linux/bits/types.h: Likewise.
* sysdeps/unix/sysv/linux/bits/mips/types.h: Likewise.
* sysdeps/unix/sysv/linux/bits/sparc/sparc64/types.h: Likewise.
* sysdeps/unix/sysv/sysv4/solaris2/bits/types.h: Likewise.
* sysdeps/wordsize-32/stdint.h: Don't define intptr_t if already done.
* sysdeps/wordsize-64/stdint.h: Likewise.
* posix/bits/posix1_lim.h: Define _POSIX_CLOCKRES_MIN.
* signal/Makefile (headers): Add bits/sigthread.h.
* signal/signal.h: Include bits/sigthread.h.
* sysdeps/generic/bits/sigthread.h: New file.
* stdlib/stdlib.h: Declare rand_r use __USE_POSIX.
* sysdeps/generic/bits/confname.h: Define _PC_FILESIZEBITS.
* sysdeps/posix/pathconf.c: Handle _PC_FILESIZEBITS.
* sysdeps/unix/sysv/linux/alpha/fpathconf.c: New file.
* sysdeps/unix/sysv/linux/alpha/pathconf.c: New file.
* sysdeps/generic/bits/dlfcn.h: Define RTLD_LOCAL.
* elf/rtld.c: Remove preloading and loadpath variables in SUID
programs.
* sysdeps/generic/dl-sysdep.c: Define unsetenv.
* sysdeps/unix/sysv/linux/i386/dl-librecon.h: Define other envvar
names.
* sysdeps/unix/sysv/linux/bits/errno.h: Define ECANCELED.
* sysdeps/unix/sysv/linux/bits/fcntl.h: Define O_RSYNC and O_DSYNC.
Remove O_READ and O_WRITE definition.
* sysdeps/unix/sysv/linux/bits/resource.h: Define RLIM_SAVED_MAX
and RLIM_SAVED_CUR.
* sysdeps/unix/sysv/linux/fstatvfs.h: Handle UFS filesystem.
1998-07-06 Andreas Schwab <schwab@issan.informatik.uni-dortmund.de>
* Makerules ($(common-objpfx)sysd-versions): Expect awk script in
scripts directory. Pass move-if-change to awk.
(common-generated): Add $(version-maps) and sysd-versions.
* versions.awk: Moved to...
* scripts/versions.awk: ... here. Use move-if-change to void
touching unchanged files. Print "version-maps = ..." instead of
"all-version-maps = ..." and without $(common-objpfx). Explain
expected variable names.
* Makefile (distribute): Updated.
1998-07-06 Andreas Schwab <schwab@issan.informatik.uni-dortmund.de>
* misc/getttyent.c (getttyent): Don't return with locked stream.
* misc/mntent_r.c (__getmntent_r): Likewise.
1998-07-07 18:24 Ulrich Drepper <drepper@cygnus.com>
* libio/fileops.c (_IO_do_write): Don't shrink wwrite buffer to zero
if stream is line buffered.
(_io_file_overflow): Likewise.
* libio/libio.h (_IO_putc_unlocked): Make sure that for line-buffered
streams writing '\n' flushes the string.
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