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
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/b5ecac94eabfd72ed2916d6d8157e7dchttps://gist.github.com/siddhesh/15ea1f5e435ace9774f485030695ee02
Reviewed-by: Carlos O'Donell <carlos@redhat.com>
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
Support usable check for all CPU features with the following changes:
1. Change struct cpu_features to
struct cpuid_features
{
struct cpuid_registers cpuid;
struct cpuid_registers usable;
};
struct cpu_features
{
struct cpu_features_basic basic;
struct cpuid_features features[COMMON_CPUID_INDEX_MAX];
unsigned int preferred[PREFERRED_FEATURE_INDEX_MAX];
...
};
so that there is a usable bit for each cpuid bit.
2. After the cpuid bits have been initialized, copy the known bits to the
usable bits. EAX/EBX from INDEX_1 and EAX from INDEX_7 aren't used for
CPU feature detection.
3. Clear the usable bits which require OS support.
4. If the feature is supported by OS, copy its cpuid bit to its usable
bit.
5. Replace HAS_CPU_FEATURE and CPU_FEATURES_CPU_P with CPU_FEATURE_USABLE
and CPU_FEATURE_USABLE_P to check if a feature is usable.
6. Add DEPR_FPU_CS_DS for INDEX_7_EBX_13.
7. Unset MPX feature since it has been deprecated.
The results are
1. If the feature is known and doesn't requre OS support, its usable bit
is copied from the cpuid bit.
2. Otherwise, its usable bit is copied from the cpuid bit only if the
feature is known to supported by OS.
3. CPU_FEATURE_USABLE/CPU_FEATURE_USABLE_P are used to check if the
feature can be used.
4. HAS_CPU_FEATURE/CPU_FEATURE_CPU_P are used to check if CPU supports
the feature.
Some C90 libm functions call fegetenv via libc_feholdsetround*
functions in math_private.h. This patch makes them call __fegetenv
instead, making fegetenv into a weak alias for __fegetenv as needed.
Tested for x86_64 (testsuite, and that disassembly of installed shared
libraries is unchanged by the patch). Also tested for ARM
(soft-float) that fegetenv failures disappear from the linknamespace
test failures (however, similar fixes will also be needed for
fegetround, feholdexcept, fesetenv, fesetround and feupdateenv before
this set of namespace issues covered by bug 17748 is fully fixed and
those linknamespace tests start passing).
[BZ #17748]
* include/fenv.h (__fegetenv): Use libm_hidden_proto.
* math/fegetenv.c (__fegetenv): Use libm_hidden_def.
* sysdeps/aarch64/fpu/fegetenv.c (fegetenv): Rename to __fegetenv
and define as weak alias of __fegetenv. Use libm_hidden_weak.
* sysdeps/alpha/fpu/fegetenv.c (__fegetenv): Use libm_hidden_def.
* sysdeps/arm/fegetenv.c (fegetenv): Rename to __fegetenv and
define as weak alias of __fegetenv. Use libm_hidden_weak.
* sysdeps/hppa/fpu/fegetenv.c (fegetenv): Likewise.
* sysdeps/i386/fpu/fegetenv.c (__fegetenv): Use libm_hidden_def.
* sysdeps/ia64/fpu/fegetenv.c (fegetenv): Rename to __fegetenv and
define as weak alias of __fegetenv. Use libm_hidden_weak.
* sysdeps/m68k/fpu/fegetenv.c (__fegetenv): Use libm_hidden_def.
* sysdeps/mips/fpu/fegetenv.c (fegetenv): Rename to __fegetenv and
define as weak alias of __fegetenv. Use libm_hidden_weak.
* sysdeps/powerpc/fpu/fegetenv.c (__fegetenv): Use
libm_hidden_def.
* sysdeps/powerpc/nofpu/fegetenv.c (__fegetenv): Likewise.
* sysdeps/powerpc/powerpc32/e500/nofpu/fegetenv.c (__fegetenv):
Likewise.
* sysdeps/s390/fpu/fegetenv.c (fegetenv): Rename to __fegetenv and
define as weak alias of __fegetenv. Use libm_hidden_weak.
* sysdeps/sh/sh4/fpu/fegetenv.c (fegetenv): Likewise.
* sysdeps/sparc/fpu/fegetenv.c (__fegetenv): Use libm_hidden_def.
* sysdeps/tile/math_private.h (__fegetenv): New inline function.
* sysdeps/x86_64/fpu/fegetenv.c (fegetenv): Rename to __fegetenv
and define as weak alias of __fegetenv. Use libm_hidden_weak.
* sysdeps/generic/math_private.h (libc_feholdsetround_ctx): Use
__fegetenv instead of fegetenv.
(libc_feholdsetround_noex_ctx): Likewise.
This patch fixes bug 16064, i386 fenv_t not including SSE state, using
the technique suggested there of storing the state in the existing
__eip field of fenv_t to avoid needing to increase the size of fenv_t
and add new symbol versions. The included testcase, which previously
failed for i386 (but passed for x86_64), illustrates how the previous
state was buggy.
This patch causes the SSE state to be included *to the extent it is on
x86_64*. Where some state should logically be included but isn't for
x86_64 (see bug 16068), this patch does not cause it to be included
for i386 either. The idea is that any patch fixing that bug should
fix it for both x86_64 and i386 at once.
Tested i386 and x86_64. (I haven't tested the case of a CPU without
SSE2 disabling the test.)
[BZ #16064]
* sysdeps/i386/fpu/fegetenv.c: Include <unistd.h>, <ldsodefs.h>
and <dl-procinfo.h>.
(__fegetenv): Save SSE state in envp->__eip if supported.
* sysdeps/i386/fpu/feholdexcpt.c (feholdexcept): Save SSE state in
envp->__eip if supported.
* sysdeps/i386/fpu/fesetenv.c: Include <unistd.h>, <ldsodefs.h>
and <dl-procinfo.h>.
(__fesetenv): Always set __eip, __cs_selector, __opcode,
__data_offset and __data_selector in environment to 0. Set SSE
state if supported.
* sysdeps/x86/fpu/Makefile [$(subdir) = math] (tests): Add
test-fenv-sse.
[$(subdir) = math] (CFLAGS-test-fenv-sse.c): Add -msse2
-mfpmath=sse.
* sysdeps/x86/fpu/test-fenv-sse.c: New file.
2001-07-06 Paul Eggert <eggert@twinsun.com>
* manual/argp.texi: Remove ignored LGPL copyright notice; it's
not appropriate for documentation anyway.
* manual/libc-texinfo.sh: "Library General Public License" ->
"Lesser General Public License".
2001-07-06 Andreas Jaeger <aj@suse.de>
* All files under GPL/LGPL version 2: Place under LGPL version
2.1.
1997-04-13 01:06 Ulrich Drepper <drepper@cygnus.com>
* isomac.c: Improve messages.
* math/Makefile (libm-calls): Add s_nearbyint, s_catan, s_casin,
s_ccos, s_csin, s_ctan, s_ctanh, s_cacos, s_casinh, s_cacosh,
s_catanh, s_csqrt, and s_cpow.
* math/libm-test.c: New functions ccos_test, cacos_test, cacosh_test,
casin_test, casinh_test, catan_test, catanh_test, ctanh_test,
csqrt_test, cpow_test, rint_test.
* math/math.h: Include new header mathbits.h which defines some
more (system dependent) types and some macros.
(isfinite): Use __finite instead of fpclassify.
* sysdeps/generic/mathbits.h: New file.
* sysdeps/i386/fpu/mathbits.h: New file.
* sysdeps/i386/huge_val.h: Don't define INFINITY.
* sysdeps/ieee754/huge_val.h: Likewise.
* sysdeps/m68k/huge_val.h: Likewise.
* sysdeps/i386/fpu/fenvbits.h: Define FE_NOMASK_ENV.
* sysdeps/i386/fpu/fesetenv.c: Handle FE_NOMASK_ENV.
* math/complex.h (_Imaginary_I): Define correctly. I misread the
standard first.
* sysdeps/libm-i387/s_finite.S: Optimized rewrite.
* sysdeps/libm-i387/s_finitef.S: Likewise.
* sysdeps/libm-i387/s_finitel.S: Likewise.
Provided by Joe Keane <jgk@jgk.org>.
* sysdeps/libm-i387/s_nearbyint.S: New file.
* sysdeps/libm-i387/s_nearbyintf.S: New file.
* sysdeps/libm-i387/s_nearbyintl.S: New file.
* sysdeps/libm-ieee754/s_nearbyint.S: New file.
* sysdeps/libm-ieee754/s_nearbyintf.S: New file.
* sysdeps/libm-ieee754/s_nearbyintl.S: New file.
* sysdeps/libm-ieee754/s_cacos.c: New file.
* sysdeps/libm-ieee754/s_cacosf.c: New file.
* sysdeps/libm-ieee754/s_cacosl.c: New file.
* sysdeps/libm-ieee754/s_cacosh.c: New file.
* sysdeps/libm-ieee754/s_cacoshf.c: New file.
* sysdeps/libm-ieee754/s_cacoshl.c: New file.
* sysdeps/libm-ieee754/s_casin.c: New file.
* sysdeps/libm-ieee754/s_casinf.c: New file.
* sysdeps/libm-ieee754/s_casinl.c: New file.
* sysdeps/libm-ieee754/s_casinh.c: New file.
* sysdeps/libm-ieee754/s_casinhf.c: New file.
* sysdeps/libm-ieee754/s_casinhl.c: New file.
* sysdeps/libm-ieee754/s_catan.c: New file.
* sysdeps/libm-ieee754/s_catanf.c: New file.
* sysdeps/libm-ieee754/s_catanl.c: New file.
* sysdeps/libm-ieee754/s_catanh.c: New file.
* sysdeps/libm-ieee754/s_catanhf.c: New file.
* sysdeps/libm-ieee754/s_catanhl.c: New file.
* sysdeps/libm-ieee754/s_ccos.c: New file.
* sysdeps/libm-ieee754/s_ccosf.c: New file.
* sysdeps/libm-ieee754/s_ccosl.c: New file.
* sysdeps/libm-ieee754/s_cpow.c: New file.
* sysdeps/libm-ieee754/s_cpowf.c: New file.
* sysdeps/libm-ieee754/s_cpowl.c: New file.
* sysdeps/libm-ieee754/s_csin.c: New file.
* sysdeps/libm-ieee754/s_csinf.c: New file.
* sysdeps/libm-ieee754/s_csinl.c: New file.
* sysdeps/libm-ieee754/s_csqrt.c: New file.
* sysdeps/libm-ieee754/s_csqrtf.c: New file.
* sysdeps/libm-ieee754/s_csqrtl.c: New file.
* sysdeps/libm-ieee754/s_ctan.c: New file.
* sysdeps/libm-ieee754/s_ctanf.c: New file.
* sysdeps/libm-ieee754/s_ctanl.c: New file.
* sysdeps/libm-ieee754/s_ctanh.c: New file.
* sysdeps/libm-ieee754/s_ctanhf.c: New file.
* sysdeps/libm-ieee754/s_ctanhl.c: New file.
* time/strftime.c (memset_space): Increment pointer.
* time/strptime.c: Interpret year number 00-59 as 2000--2059.
Patches by Karl Heuer <kwzh@gnu.ai.mit.edu>.
1997-04-11 11:57 Miguel de Icaza <miguel@nuclecu.unam.mx>
* sysdeps/unix/sysv/linux/sparc/syscalls.list: Remove fork,
pipe, syscall.
1997-04-05 00:57 Andreas Schwab <schwab@issan.informatik.uni-dortmund.de>
* sysdeps/libm-ieee754/s_remquo.c: Change algorithm, although
probably still wrong.
* sysdeps/libm-ieee754/s_remquof.c: Likewise.
* sysdeps/libm-ieee754/s_remquol.c: Likewise.
* math/libm-test.c (remquo_test): Corrected.
1997-04-11 00:01 Andreas Schwab <schwab@issan.informatik.uni-dortmund.de>
* sysdeps/m68k/fpu/__math.h (__rinttol, rinttol): New inline.
* sysdeps/m68k/fpu/s_rinttol.c: New file.
* sysdeps/m68k/fpu/s_rinttoll.c: New file.
* math/libm-test.c (remquo_test): Use check_long to test the
quotient.
(cbrt_test): Add epsilons for long double.
1997-04-10 18:48 Andreas Schwab <schwab@issan.informatik.uni-dortmund.de>
* locale/localeinfo.h: Update declaration of _nl_current.
1997-04-11 11:27 Ulrich Drepper <drepper@cygnus.com>
* rellnsh-sh: Use explicitely /bin/pwd to find the external program.
* math/Makefile (headers): Add fenv.h and fenvbits.h.
(libm-support): Add s_rountol, s_roundtoll, fclrexcpt, fgetexcptflg,
fraiseexcpt, fsetexcptflg, ftestexcept, fegetround, fesetround,
fegetenv, feholdexcpt, fesetenv, feupdateenv.
(libm-calls): Add s_round.
* math/fenv.h: New file.
* math/libm-test.c: Correct tests for s_rinttol and s_rinttoll.
Add roundtol_check and roundtoll_check.
* math/math.h: Pretty printing.
* sysdeps/i386/fpu/fclrexcpt.c: New file.
* sysdeps/i386/fpu/fegetenv.c: New file.
* sysdeps/i386/fpu/fegetround.c: New file.
* sysdeps/i386/fpu/feholdexcpt.c: New file.
* sysdeps/i386/fpu/fenvbits.h: New file.
* sysdeps/i386/fpu/fesetenv.c: New file.
* sysdeps/i386/fpu/fesetround.c: New file.
* sysdeps/i386/fpu/fgetexcptflg.c: New file.
* sysdeps/i386/fpu/fraiseexcpt.c: New file.
* sysdeps/i386/fpu/fsetexcptflg.c: New file.
* sysdeps/i386/fpu/ftestexcept.c: New file.
* sysdeps/stub/fclrexcpt.c: New file.
* sysdeps/stub/fegetenv.c: New file.
* sysdeps/stub/fegetround.c: New file.
* sysdeps/stub/feholdexcpt.c: New file.
* sysdeps/stub/fenvbits.h: New file.
* sysdeps/stub/fesetenv.c: New file.
* sysdeps/stub/fesetround.c: New file.
* sysdeps/stub/fgetexcptflg.c: New file.
* sysdeps/stub/fraiseexcpt.c: New file.
* sysdeps/stub/fsetexcptflg.c: New file.
* sysdeps/stub/ftestexcept.c: New file.
* sysdeps/libm-i387/s_trunc.S: New file.
* sysdeps/libm-i387/s_truncf.S: New file.
* sysdeps/libm-i387/s_truncl.S: New file.
* sysdeps/libm-ieee754/s_round.c: New file.
* sysdeps/libm-ieee754/s_roundf.c: New file.
* sysdeps/libm-ieee754/s_roundl.c: New file.
* sysdeps/libm-ieee754/s_ccosh.c: Rewritten to use fpclassify.
* sysdeps/libm-ieee754/s_ccoshf.c: Likewise.
* sysdeps/libm-ieee754/s_ccoshl.c: Likewise.
* sysdeps/libm-ieee754/s_cexp.c: Likewise.
* sysdeps/libm-ieee754/s_cexpf.c: Likewise.
* sysdeps/libm-ieee754/s_cexpl.c: Likewise.
* sysdeps/libm-ieee754/s_clog.c: Likewise.
* sysdeps/libm-ieee754/s_clogf.c: Likewise.
* sysdeps/libm-ieee754/s_clogl.c: Likewise.
* sysdeps/libm-ieee754/s_csinh.c. Likewise.
* sysdeps/libm-ieee754/s_csinhf.c. Likewise.
* sysdeps/libm-ieee754/s_csinhl.c. Likewise.
* sysdeps/libm-ieee754/s_ceill.c: Corrected. The mantissa has only
63 bits.
* sysdeps/libm-ieee754/s_floorl.c: Likewise.
* po/pl.po: Updated.
* string/swab.c: Correctly handle array of odd length.
* sysdeps/generic/memmem.c: Update copyright.
1997-04-10 20:22 Ulrich Drepper <drepper@cygnus.com>
* hurd/Makefile (sunrpc-headers): Add clnt.h.
Proposed by Thomas Bushnell <thomas@gnu.ai.mit.edu>.
1997-04-09 14:21 Miguel de Icaza <miguel@nuclecu.unam.mx>
* sysdeps/sparc/dl-machine.h: Bug fix: I was not loading
the proper value from the GOT. Pass argument block to
init function.
* sysdeps/sparc/elf/start.c: Call atexit (_fini) after calling
_init ().
* sysdeps/sparc/fpu_control.h: Fix the FPU constants. I got them
wrong the first time.
* sysdeps/sparc/setjmp.S: PIC code was clobbering a callee saved
register.
* sysdeps/sparc/udiv_qrnnd.S: Add type @function.
* sysdeps/unix/sysv/linux/sparc/init-first.h: Linux/SPARC specific
SYSDEP_CALL_INIT.
* sysdeps/unix/sysv/linux/sparc/signum.h: Remove definition for
NSIG and duplicated SIGIOT.
1997-04-05 00:57 Andreas Schwab <schwab@issan.informatik.uni-dortmund.de>
* sysdeps/libm-ieee754/s_remquo.c: Change algorithm, although
probably still wrong.
* sysdeps/libm-ieee754/s_remquof.c: Likewise.
* sysdeps/libm-ieee754/s_remquol.c: Likewise.
* math/libm-test.c (remquo_test): Corrected.
1997-04-03 18:35 Andreas Schwab <schwab@issan.informatik.uni-dortmund.de>
* Makefile (parent-tests): New target to run the tests to that
they are executed even if some subdir tests have failed.
(tests): Depend on parent-tests instead of running the tests
directly.
1997-04-03 12:26 Andreas Schwab <schwab@issan.informatik.uni-dortmund.de>
Clean up name space pollution in libnss_*.so:
* nis/nss_compat/compat-pwd.c, resolv/mapv4v6addr.h,
resolv/nss_dns/dns-host.c: Replace bzero by memset, bcopy by
memcpy and bcmp by memcmp to clean up namespace.
* nss/nss_db/db-XXX.c (internal_setent): Use __dbopen instead of
dbopen.
* nss/nss_db/db-alias.c (internal_setent): Likewise.
* nss/nss_db/db-netgrp.c (_nss_db_setnetgrent): Likewise.
* db/db/db.c [_LIBC]: Define __dbopen instead of dbopen and make
the latter a weak alias.
* db/db.h: Declare __dbopen.
* db/btree/btree.h [_LIBC]: Prepend __ to all mpool functions.
* db/mpool/mpool.c [_LIBC]: Define all external functions with __
prefix and make the old names weak aliases.
* db/mpool.h: Declare the new internal names.
1997-04-04 23:57 Andreas Schwab <schwab@issan.informatik.uni-dortmund.de>
* stdio-common/vfscanf.c: Fix scanning of hexadecimal fp number.
* stdio-common/tstscanf.c: Add test case for this.
1997-04-04 17:26 Andreas Schwab <schwab@issan.informatik.uni-dortmund.de>
* math/libm-test.c: Fix more typos.
1997-04-03 17:15 Andreas Schwab <schwab@issan.informatik.uni-dortmund.de>
* math/libm-test.c (csinh_test): Fix test names.
(ccosh_test): Likewise.
* sysdeps/libm-ieee754/s_csinh.c: Use sinh function instead of
computing it directly.
* sysdeps/libm-ieee754/s_csinhf.c: Likewise.
* sysdeps/libm-ieee754/s_csinhl.c: Likewise.
* sysdeps/libm-ieee754/s_ccosh.c: Use cosh function instead of
computing it directly.
* sysdeps/libm-ieee754/s_ccoshf.c: Likewise.
* sysdeps/libm-ieee754/s_ccoshl.c: Likewise.
* sysdeps/libm-ieee754/s_cexp.c: Use internal exp function instead
of wrapper.
* sysdeps/libm-ieee754/s_cexpf.c: Likewise.
* sysdeps/libm-ieee754/s_cexpl.c: Likewise.
* sysdeps/m68k/fpu/s_cexp.c: Likewise. Correct handling of
special values. Avoid use of fsincos if all that is needed is the
quadrant.
* sysdeps/m68k/fpu/s_ccosh.c: New file.
* sysdeps/m68k/fpu/s_ccoshf.c: New file.
* sysdeps/m68k/fpu/s_ccoshl.c: New file.
* sysdeps/m68k/fpu/s_csinh.c: New file.
* sysdeps/m68k/fpu/s_csinhl.c: New file.
* sysdeps/m68k/fpu/s_csinhf.c: New file.
1997-04-03 10:18 Andreas Schwab <schwab@issan.informatik.uni-dortmund.de>
* manual/Makefile (dir-add.texi): Simplify.
* libio/genops.c (_IO_flush_all_linebuffered): Don't flush on
