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Continuing the preparation for additional _FloatN / _FloatNx type
support, this patch adds support to type-generic strtod tests.
GEN_STRTOD_TEST_FOREACH and STRTOD_TEST_FOREACH are made to handle the
full set of such types. tst-strtod-round-skeleton.c is updated for
those types it can handle without needing changes to the generator
(i.e. those types that have already-handled formats).
Tested for x86_64.
* stdlib/tst-strtod.h (F16): New macro.
(F32): Likewise.
(F64): Likewise.
(F32X): Likewise.
(F64X): Likewise.
(F128X): Likewise.
(IF_FLOAT16): Likewise.
(IF_FLOAT32): Likewise.
(IF_FLOAT64): Likewise.
(IF_FLOAT32X): Likewise.
(IF_FLOAT64X): Likewise.
(IF_FLOAT128X): Likewise.
(GEN_TEST_STRTOD_FOREACH): Conditionally call macros for _Float16,
_Float32, _Float64, _Float32x, _Float64x and _Float128x.
(STRTOD_TEST_FOREACH): Likewise.
* stdlib/tst-strtod-round-skeleton.c (CHOOSE_f32): New macro.
(CHOOSE_f64): Likewise.
(CHOOSE_f32x): Likewise.
(CHOOSE_f64x): Likewise.
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Continuing the preparation for additional _FloatN / _FloatNx type
support, this patch arranges for <stdlib.h> to declare strtof and
strfromf functions for all such types, similarly to the declarations
already present for _Float128.
Tested for x86_64.
* stdlib/stdlib.h
[__HAVE_FLOAT16 && __GLIBC_USE (IEC_60559_TYPES_EXT)] (strtof16):
Declare.
[__HAVE_FLOAT32 && __GLIBC_USE (IEC_60559_TYPES_EXT)] (strtof32):
Likewise.
[__HAVE_FLOAT64 && __GLIBC_USE (IEC_60559_TYPES_EXT)] (strtof64):
Likewise.
[__HAVE_FLOAT32X && __GLIBC_USE (IEC_60559_TYPES_EXT)]
(strtof32x): Likewise.
[__HAVE_FLOAT64X && __GLIBC_USE (IEC_60559_TYPES_EXT)]
(strtof64x): Likewise.
[__HAVE_FLOAT128X && __GLIBC_USE (IEC_60559_TYPES_EXT)]
(strtof128x): Likewise.
[__HAVE_FLOAT16 && __GLIBC_USE (IEC_60559_TYPES_EXT)]
(strfromf16): Likewise.
[__HAVE_FLOAT32 && __GLIBC_USE (IEC_60559_TYPES_EXT)]
(strfromf32): Likewise.
[__HAVE_FLOAT64 && __GLIBC_USE (IEC_60559_TYPES_EXT)]
(strfromf64): Likewise.
[__HAVE_FLOAT32X && __GLIBC_USE (IEC_60559_TYPES_EXT)]
(strfromf32x): Likewise.
[__HAVE_FLOAT64X && __GLIBC_USE (IEC_60559_TYPES_EXT)]
(strfromf64x): Likewise.
[__HAVE_FLOAT128X && __GLIBC_USE (IEC_60559_TYPES_EXT)]
(strfromf128x): Likewise.
[__USE_GNU && __HAVE_FLOAT16] (strtof16_l): Likewise.
[__USE_GNU && __HAVE_FLOAT32] (strtof32_l): Likewise.
[__USE_GNU && __HAVE_FLOAT64] (strtof64_l): Likewise.
[__USE_GNU && __HAVE_FLOAT32X] (strtof32x_l): Likewise.
[__USE_GNU && __HAVE_FLOAT64X] (strtof64x_l): Likewise.
[__USE_GNU && __HAVE_FLOAT128X] (strtof128x_l): Likewise.
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CLDR uses this pattern as well.
[BZ #22019]
* localedata/locales/el_GR: Set n_cs_precedes to 0.
* localedata/locales/el_CY: copy "el_GR" because it is identical.
* stdlib/tst-strfmon_l.c: adapt test case.
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With support for _Float128 functions on platforms where that type has
the same ABI as long double, as well as on platforms where it is
ABI-distinct, those functions will need to be exported from glibc's
shared libraries at appropriate symbol versions in each case.
This patch avoids duplication of lists of symbols to export by moving
the symbols other than __* to math/Versions and stdlib/Versions.
There, they are conditional on <float128-abi.h> defining
FLOAT128_VERSION and a default version of that header is added that
does not define that macro. Enabling the float128 function aliases
will then include adding a sysdeps/ieee754/ldbl-128/float128-abi.h
that defines FLOAT128_VERSION to GLIBC_2.27. Symbols __* remain in
sysdeps/ieee754/float128/Versions; those symbols should be present
only once per floating-point format, not once per type.
Note that if any platforms currently lacking support for a type with
binary128 format get glibc support for such a type in future (whether
only as _Float128, or also as a new long double format), and new libm
functions (present for all types) have been added by then, additional
macros will be needed to allow such functions to get a version of the
form "GLIBC_2.28 if the platform had _Float128 support by then, or the
later version at which that platform had _Float128 support added".
This is not however a preexisting condition, but would have applied
equally to the existing support for _Float128 as an ABI-distinct
type. New all-type libm functions should just be added to the
appropriate symbol version (currently GLIBC_2.27) for all types, with
such special-case handling for _Float128 versions (and _Float64x as
well in future) waiting until someone actually wants to add support
for _Float128 to an existing platform after a release in which that
platform and a post-2.26 libm function had support but that platform
lacked _Float128 support.
Tested with build-many-glibcs.py that installed stripped shared
libraries are unchanged by this patch. Also tested in conjunction
with the remaining changes to enable float128 aliases.
* sysdeps/generic/float128-abi.h: New file.
* sysdeps/ieee754/float128/Versions (FLOAT128_VERSION): Move
non-__prefixed symbols to ....
* math/Versions: ... here. Include <float128-abi.h>.
* stdlib/Versions ... and here. Include <float128-abi.h>
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This patch adds support for building strtof128, wcstof128, strtof128_l
and wcstof128_l as aliases, in the case of __HAVE_FLOAT128 &&
!__HAVE_DISTINCT_FLOAT128.
Tested with build-many-glibcs.py that installed stripped shared
libraries are unchanged by this patch. Also tested together with
changes to enable float128 aliases.
* stdlib/strtold.c: Include <bits/floatn.h>
[__HAVE_FLOAT128 && !__HAVE_DISTINCT_FLOAT128] (strtof128): Define
and later undefine as macro. Define as weak alias if
[!USE_WIDE_CHAR].
[__HAVE_FLOAT128 && !__HAVE_DISTINCT_FLOAT128] (wcstof128): Define
and later undefine as macro. Define as weak alias if
[USE_WIDE_CHAR].
* sysdeps/ieee754/ldbl-128/strtold_l.c [__HAVE_FLOAT128 &&
!__HAVE_DISTINCT_FLOAT128] (strtof128_l): Define and later
undefine as macro. Define as weak alias if [!USE_WIDE_CHAR].
[__HAVE_FLOAT128 && !__HAVE_DISTINCT_FLOAT128] (wcstof128_l):
Define and later undefine as macro. Define as weak alias if
[USE_WIDE_CHAR].
* sysdeps/ieee754/ldbl-64-128/strtold_l.c: Include
<bits/floatn.h>.
[__HAVE_FLOAT128 && !__HAVE_DISTINCT_FLOAT128] (strtof128_l):
Define and later undefine as macro. Define as weak alias if
[!USE_WIDE_CHAR].
[__HAVE_FLOAT128 && !__HAVE_DISTINCT_FLOAT128] (wcstof128_l):
Define and later undefine as macro. Define as weak alias if
[USE_WIDE_CHAR].
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This patch adds support for building strfromf128 as an alias of
strfroml, in the case of __HAVE_FLOAT128 && !__HAVE_DISTINCT_FLOAT128.
Tested with build-many-glibcs.py that installed stripped shared
libraries are unchanged by this patch. Also tested together with
changes to enable float128 aliases.
* stdlib/strfroml.c: Include <bits/floatn.h>.
[__HAVE_FLOAT128 && !__HAVE_DISTINCT_FLOAT128] (strfromf128):
Define before include of <stdlib.h> and undefine afterwards, then
define as weak alias.
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Hide internal __new_exitfn function to allow direct access within libc.so
and libc.a without using GOT nor PLT.
[BZ #18822]
* stdlib/exit.h (__new_exitfn): Add attribute_hidden.
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Mark internal gmp functions with attribute_hidden to allow direct
access within libc.so and libc.a without using GOT nor PLT.
[BZ #18822]
* include/gmp.h: Declare internal functions only if _ISOMAC is
undefined.
(__mpn_extract_double): Add attribute_hidden.
(__mpn_extract_long_double): Likewise.
(__mpn_extract_float128): Likewise.
(__mpn_construct_float): Likewise.
(__mpn_construct_double): Likewise.
(__mpn_construct_long_double): Likewise.
(__mpn_construct_float128): Likewise.
(mpn_add_1): Likewise.
(mpn_addmul_1): Likewise.
(mpn_add_n): Likewise.
(mpn_cmp): Likewise.
(mpn_divrem): Likewise.
(mpn_lshift): Likewise.
(mpn_mul): Likewise.
(mpn_mul_1): Likewise.
(mpn_rshift): Likewise.
(mpn_sub_1): Likewise.
(mpn_submul_1): Likewise.
(mpn_sub_n): Likewise.
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Mark internal stdlib functions with attribute_hidden to allow direct
access within libc.so and libc.a without using GOT nor PLT. __realpath
is hidden with libc_hidden_proto and libc_hidden_def since the exported
realpath is an alias of __realpath.
[BZ #18822]
* include/stdlib.h (__random): Add attribute_hidden.
(__random_r): Likewise.
(__srandom_r): Likewise.
(__initstate_r): Likewise.
(__setstate_r): Likewise.
(__erand48_r): Likewise.
(__nrand48_r): Likewise.
(__jrand48_r): Likewise.
(__srand48_r): Likewise.
(__seed48_r): Likewise.
(__lcong48_r): Likewise.
(__drand48_iterate): Likewise.
(__setenv): Likewise.
(__unsetenv): Likewise.
(__clearenv): Likewise.
(__ptsname_r): Likewise.
(__posix_openpt): Likewise.
(__add_to_environ): Likewise.
(__realpath): Add libc_hidden_proto.
(__ecvt_r): Likewise.
(__fcvt_r): Likewise.
(__qecvt_r): Likewise.
(__qfcvt_r): Likewise.
* misc/efgcvt_r.c (cvt_symbol_1): Add libc_hidden_def (local).
* stdlib/canonicalize.c (__realpath): Add libc_hidden_def.
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Since __dso_handle is always defined by either crtbegin.o from GCC or
dso_handle.c, it should be marked as hidden and be passed directly.
[BZ #18822]
* dlfcn/modatexit.c (foo): Remove __dso_handle check.
* dlfcn/modcxaatexit.c: Include <dso_handle.h>.
(__dso_handle): Remove declaration.
* dlfcn/tstatexit.c (__dso_handle): Removed.
(main): Don't check __dso_handle.
* dlfcn/tstcxaatexit.c (__dso_handle): Removed.
(main): Don't check __dso_handle.
* include/dso_handle.h: New file.
* malloc/mtrace.c: Include <dso_handle.h>.
(mtrace): Pass __dso_handle directly.
* nptl/pthread_atfork.c: Include <dso_handle.h>.
(__dso_handle): Remove declaration.
(__pthread_atfork): Pass __dso_handle directly.
* nptl/tst-atfork2mod.c: Include <dso_handle.h>.
(__dso_handle): Removed.
* posix/wordexp-test.c: Include <dso_handle.h>.
(__dso_handle): Remove declaration.
(__app_register_atfork): Pass __dso_handle directly.
* stdlib/at_quick_exit.c: Include <dso_handle.h>.
(__dso_handle): Remove declaration.
(at_quick_exit): Pass __dso_handle directly.
* stdlib/atexit.c: Include <dso_handle.h>.
(__dso_handle): Remove declaration.
(atexit): Pass __dso_handle directly.
* stdlib/tst-tls-atexit-lib.c: Include <dso_handle.h>.
(__dso_handle): Removed.
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intermittent failure in stdlib/test-{atexit,at_quick_exit,...} tests
(Bug 22207).
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POSIX requires that dlclose() and exit() be thread safe, therefore
you can have one thread in the middle of dlclose() and another thread
executing exit() without causing any undefined behaviour on the part
of the implementation.
The existing implementation had a flaw that exit() exit handler processing
did not consider a concurrent dlclose() and would not mark already run
exit handlers using the ef_free flavour. The consequence of this is that
a concurrent exit() with dlclose() will run all the exit handlers that
dlclose() had not yet run, but then will block on the loader lock. The
concurrent dlclose() will continue to run all the exit handlers again
(twice) in violation of the Itanium C++ ABI requirements for __cxa_atexit().
This commit fixes this by having exit() mark all handlers with ef_free to
ensure that concurrent dlclose() won't re-run registered exit handlers that
have already run.
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program with appropriate message if the corresponding dlfcn.h routine
returns an error.
Use them in stdlib/tst-tls-atexit.c
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26e70aec7028feeb196744eb97cd2dff3670b7aa
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* stdlib/tst-atexit-common.c (crumbs): Ensure correct size.
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* stdlib/tst-atexit-common.c (do_test): Test support for at least
32 atexit handlers.
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* stdlib/tst-atexit-common.c (do_test): Test handler inheritance
by child.
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* stdlib/Makefile (tst-atexit, tst-at_quick_exit): New tests.
(tst-cxa_atexit, tst-on_exit): Likewise.
* stdlib/Makefile (tests): Add tst-atexit, tst-at_quick_exit,
tst-cxa_atexit, and tst-on_exit.
* stdlib/tst-atexit-common.c: New file.
* stdlib/tst-atexit.c: New file.
* stdlib/tst-at_quick_exit.c: New file.
* stdlib/tst-cxa_atexit.c: New file.
* stdlib/tst-on_exit.c: New file.
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Hide internal printf functions to allow direct access within libc.so and
libc.a without using GOT nor PLT.
Since __guess_grouping has been changed to take 2 arguments by
commit a1d84548c8aa7023cd039c85f81b831eef6d4a4c
Author: Ulrich Drepper <drepper@redhat.com>
Date: Fri Feb 11 18:50:36 2000 +0000
the third argument passed to __guess_grouping is removed.
[BZ #18822]
[BZ #21986]
* include/printf.h (__printf_fphex): Add attribute_hidden.
(__guess_grouping): New prototype.
* stdio-common/printf_fp.c (__guess_grouping): Removed.
* stdio-common/reg-printf.c (__register_printf_specifier): Add
libc_hidden_proto and libc_hidden_def.
* stdlib/strfmon_l.c (__guess_grouping): Removed.
(__vstrfmon_l): Remove the third argument passed to
__guess_grouping.
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These are called across DSO boundaries and should therefore use
the standard calling convention.
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[BZ #20756]
* localedata/tst-langinfo.sh: Adapt test case data.
* stdlib/tst-strfmon_l.c: Likewise.
* stdlib/tst-strtod4.c: Likewise.
* stdlib/tst-strtod5i.c: Likewise.
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monetary formatting
The test cases should expose non-standard grouping and the trailing
space after the currency sign. After the changes to the Indian
monetary formatting, the Indian formatting still shows the
non-standard grouping. To test the trailing space after the currency
sign I chose the hr_HR locale.
See:
commit 82b3124268bec0609b337dd993e771c93e44cbf2
Author: Akhilesh Kumar <akhilesh.k@samsung.com>
Remove redundant data for LC_MONETARY for Indian locales
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sys/cdefs.h has a macro __long_double_t used in two places in glibc.
long double is a standard part of C since C89; there is no need for
such an alias for it. This patch removes that macro and uses long
double directly everywhere. As an implementation-namespace,
undocumented symbol, it should not be considered part of the API for
users, and codesearch.debian.net shows no sign of it being used
outside glibc in a way that would break with this patch.
Tested for x86_64.
* misc/sys/cdefs.h (__long_double_t): Remove.
* stdio-common/printf_fp.c (__printf_fp_l): Use long double
instead of __long_double_t,
* stdlib/strfmon_l.c (__vstrfmon_l): Likewise.
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The return type of the getentropy stub is wrongly defined as ssize_t,
while both the <sys/random.h> header and the Linux implementation
define it as int. This patch fixes that.
Changelog:
* stdlib/getentropy.c (getentropy): Change return type to int.
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The macro F128 in stdlib/tst-strtod.h is defined to provide the literal
suffix for _Float128 constants. It uses the macro __f128 (), which is
defined in bits/floatn.h to provide the correct literal suffix depending on
what is provided by the compiler.
However, F128 was not being expanded and only worked correctly, when
compiling with GCC 7 (or greater), since F128 is the literal suffix itself.
This patch adds an additional macro expansion so that the macro F128
expands to the correct literal suffix on older compilers.
* stdlib/tst-strtod.h (MMFUNC): New macro to provide an addition
macro expansion.
(GEN_TEST_STRTOD_FOREACH): Use MMFUNC for _Float128.
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<locale.h> is specified to define locale_t in POSIX.1-2008, and so are
all of the headers that define functions that take locale_t arguments.
Under _GNU_SOURCE, the additional headers that define such functions
have also always defined locale_t. Therefore, there is no need to use
__locale_t in public function prototypes, nor in any internal code.
* ctype/ctype-c99_l.c, ctype/ctype.h, ctype/ctype_l.c
* include/monetary.h, include/stdlib.h, include/time.h
* include/wchar.h, locale/duplocale.c, locale/freelocale.c
* locale/global-locale.c, locale/langinfo.h, locale/locale.h
* locale/localeinfo.h, locale/newlocale.c
* locale/nl_langinfo_l.c, locale/uselocale.c
* localedata/bug-usesetlocale.c, localedata/tst-xlocale2.c
* stdio-common/vfscanf.c, stdlib/monetary.h, stdlib/stdlib.h
* stdlib/strfmon_l.c, stdlib/strtod_l.c, stdlib/strtof_l.c
* stdlib/strtol.c, stdlib/strtol_l.c, stdlib/strtold_l.c
* stdlib/strtoll_l.c, stdlib/strtoul_l.c, stdlib/strtoull_l.c
* string/strcasecmp.c, string/strcoll_l.c, string/string.h
* string/strings.h, string/strncase.c, string/strxfrm_l.c
* sysdeps/ieee754/float128/strtof128_l.c
* sysdeps/ieee754/float128/wcstof128.c
* sysdeps/ieee754/float128/wcstof128_l.c
* sysdeps/ieee754/ldbl-128ibm/strtold_l.c
* sysdeps/ieee754/ldbl-64-128/strtold_l.c
* sysdeps/ieee754/ldbl-opt/nldbl-compat.c
* sysdeps/ieee754/ldbl-opt/nldbl-strfmon_l.c
* sysdeps/ieee754/ldbl-opt/nldbl-strtold_l.c
* sysdeps/ieee754/ldbl-opt/nldbl-wcstold_l.c
* sysdeps/powerpc/powerpc32/power7/strcasecmp.S
* sysdeps/powerpc/powerpc64/power7/strcasecmp.S
* sysdeps/x86_64/strcasecmp_l-nonascii.c
* sysdeps/x86_64/strncase_l-nonascii.c, time/strftime_l.c
* time/strptime_l.c, time/time.h, wcsmbs/mbsrtowcs_l.c
* wcsmbs/wchar.h, wcsmbs/wcscasecmp.c, wcsmbs/wcsncase.c
* wcsmbs/wcstod.c, wcsmbs/wcstod_l.c, wcsmbs/wcstof.c
* wcsmbs/wcstof_l.c, wcsmbs/wcstol_l.c, wcsmbs/wcstold.c
* wcsmbs/wcstold_l.c, wcsmbs/wcstoll_l.c, wcsmbs/wcstoul_l.c
* wcsmbs/wcstoull_l.c, wctype/iswctype_l.c
* wctype/towctrans_l.c, wctype/wcfuncs_l.c
* wctype/wctrans_l.c, wctype/wctype.h, wctype/wctype_l.c:
Change all uses of __locale_t to locale_t.
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xlocale.h is already a single-type micro-header, defining struct
__locale_struct and the typedefs __locale_t and locale_t. This patch
brings it into the bits/types/ scheme: there are now
bits/types/__locale_t.h which defines only __locale_struct and
__locale_t, and bits/types/locale_t.h which defines locale_t as well
as the other two. None of *our* headers need __locale_t.h, but it
appears to me that libstdc++ could make use of it.
There are a lot of external uses of xlocale.h, but all the uses I
checked had an autoconf test or equivalent for its existence. It has
never been available from other C libraries, and it has always
contained a comment reading "This file is not standardized, don't rely
on it, it can go away without warning" so I think dropping it is
pretty safe.
I also took the opportunity to clean up comments in various public
header files that still talk about the *_l interfaces as though they
were completely nonstandard. There are a few of them, notably the
strtoX_l and wcstoX_l families, that haven't been standardized, but
the bulk are in POSIX.1-2008.
* locale/xlocale.h: Rename to...
* locale/bits/types/__locale_t.h: ...here. Adjust commentary.
Only define struct __locale_struct and __locale_t, not locale_t.
* locale/bits/types/locale_t.h: New file; define locale_t here.
* locale/Makefile (headers): Update to match.
* include/xlocale.h: Delete wrapper.
* include/bits/types/__locale_t.h: New wrapper.
* include/bits/types/locale_t.h: New wrapper.
* ctype/ctype.h, include/printf.h, include/time.h
* locale/langinfo.h, locale/locale.h, stdlib/monetary.h
* stdlib/stdlib.h, string/string.h, string/strings.h, time/time.h
* wcsmbs/wchar.h, wctype/wctype.h: Use bits/types/locale_t.h.
Correct outdated comments regarding the standardization status of
the functions that take locale_t arguments.
* stdlib/strtod_l.c, stdlib/strtof_l.c, stdlib/strtol_l.c
* stdlib/strtold_l.c, stdlib/strtoul_l.c, stdlib/strtoull_l.c
* sysdeps/ieee754/ldbl-128ibm/strtold_l.c
* sysdeps/ieee754/ldbl-64-128/strtold_l.c
* wcsmbs/wcstod.c, wcsmbs/wcstod_l.c, wcsmbs/wcstof.c
* wcsmbs/wcstof_l.c, wcsmbs/wcstold.c, wcsmbs/wcstold_l.c:
Don't include xlocale.h. If necessary, include locale.h instead.
* stdlib/strtold_l.c: Unconditionally include wchar.h.
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This is fairly complicated, not because the users of __need_Emath and
__need_error_t have complicated requirements, but because the core
changes had a lot of fallout.
__need_error_t exists for gnulib compatibility in argz.h and argp.h.
error_t itself is a Hurdism, an enum containing all the E-constants,
so you can do 'p (error_t) errno' in gdb and get a symbolic value.
argz.h and argp.h use it for function return values, and they want to
fall back to 'int' when that's not available. There is no reason why
these nonstandard headers cannot just go ahead and include all of
errno.h; so we do that.
__need_Emath is defined only by .S files; what they _really_ need is
for errno.h to avoid declaring anything other than the E-constants
(e.g. 'extern int __errno_location(void);' is a syntax error in
assembly language). This is replaced with a check for __ASSEMBLER__ in
errno.h, plus a carefully documented requirement for bits/errno.h not
to define anything other than macros. That in turn has the
consequence that bits/errno.h must not define errno - fortunately, all
live ports use the same definition of errno, so I've moved it to
errno.h. The Hurd bits/errno.h must also take care not to define
error_t when __ASSEMBLER__ is defined, which involves repeating all of
the definitions twice, but it's a generated file so that's okay.
* stdlib/errno.h: Remove __need_Emath and __need_error_t logic.
Reorganize file. Declare errno here. When __ASSEMBLER__ is
defined, don't declare anything other than the E-constants.
* include/errno.h: Change conditional for exposing internal
declarations to (not _ISOMAC and not __ASSEMBLER__).
* bits/errno.h: Remove logic for __need_Emath. Document
requirements for a port-specific bits/errno.h.
* sysdeps/unix/sysv/linux/bits/errno.h
* sysdeps/unix/sysv/linux/alpha/bits/errno.h
* sysdeps/unix/sysv/linux/hppa/bits/errno.h
* sysdeps/unix/sysv/linux/mips/bits/errno.h
* sysdeps/unix/sysv/linux/sparc/bits/errno.h:
Add multiple-include guard and check against improper inclusion.
Remove __need_Emath logic. Don't declare errno here. Ensure all
constants are defined as simple integer literals. Consistent
formatting.
* sysdeps/mach/hurd/errnos.awk: Likewise. Only define error_t and
enum __error_t_codes if __ASSEMBLER__ is not defined.
* sysdeps/mach/hurd/bits/errno.h: Regenerate.
* argp/argp.h, string/argz.h: Don't define __need_error_t before
including errno.h.
* sysdeps/i386/i686/fpu/multiarch/s_cosf-sse2.S
* sysdeps/i386/i686/fpu/multiarch/s_sincosf-sse2.S
* sysdeps/i386/i686/fpu/multiarch/s_sinf-sse2.S
* sysdeps/x86_64/fpu/s_cosf.S
* sysdeps/x86_64/fpu/s_sincosf.S
* sysdeps/x86_64/fpu/s_sinf.S:
Just include errno.h; don't define __need_Emath or include
bits/errno.h directly.
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The implementations are contained with sysdeps/ieee754/float128 as
they are only built when _Float128 is enabled within libc/m.
* include/gmp.h (__mpn_construct_float128): New declaration.
* include/stdlib.h: Include bits/floatn.h for _Float128 tests.
(__strtof128_l): New declaration.
(__strtof128_nan): Likewise.
(__wcstof128_nan): Likewise.
(__strtof128_internal): Likewise.
(____strtof128_l_internal): Likewise.
* include/wchar.h: Include bits/floatn.h for _Float128 tests.
(__wcstof128_l): New declaration.
(__wcstof128_internal): Likewise.
* stdlib/Makefile (bug-strtod2): Link libm too.
* stdlib/stdlib.h (strtof128): New declaration.
(strtof128_l): Likewise.
* stdlib/tst-strtod-nan-locale-main.c: Updated to use
tst-strtod.h macros to ensure float128 gets tested too.
* stdlib/tst-strtod-round-skeleton.c (CHOOSE_f128): New macro.
* stdlib/tst-strtod.h: Include bits/floatn.h for _Float128
tests.
(IF_FLOAT128): New macro.
(GEN_TEST_STRTOD): Update to optionally include _Float128 in
the tests.
(STRTOD_TEST_FOREACH): Likewise.
* sysdeps/ieee754/float128/Makefile: Insert new strtof128 and
wcstof128 functions into libc.
* sysdeps/ieee754/float128/Versions: Add exports for the above
new functions.
* sysdeps/ieee754/float128/mpn2float128.c: New file.
* sysdeps/ieee754/float128/strtod_nan_float128.h: New file.
* sysdeps/ieee754/float128/strtof128.c: New file.
* sysdeps/ieee754/float128/strtof128_l.c: New file.
* sysdeps/ieee754/float128/strtof128_nan.c: New file.
* sysdeps/ieee754/float128/wcstof128.c: New file.
* sysdeps/ieee754/float128/wcstof128_l.c: New file.
* sysdeps/ieee754/float128/wcstof128_nan.c: New fike.
* wcsmbs/Makefile: (CFLAGS-wcstof128.c): Append strtox-CFLAGS.
(CFLAGS-wcstof128_l): Likewise.
* wcsmbs/wchar.h: Include bits/floatn.h for _Float128 tests.
(wcstof128): New declaration.
(wcstof128_l): Likewise.
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Add strfromf128 to stdlib when _Float128 support is enabled.
* stdio-common/printf-parsemb.c (__parse_one_specmb): Initialize
spec->info.is_binary128 to zero.
* stdio-common/printf.h (printf_info): Add new member is_binary128
to indicate that the number being converted to string is compatible
with the IEC 60559 binary128 format.
* stdio-common/printf_fp.c (__printf_fp_l): Add code to deal with
_Float128 numbers.
* stdio-common/printf_fphex.c: Include ieee754_float128.h and
ldbl-128/printf_fphex_macros.h
(__printf_fphex): Add code to deal with _Float128 numbers.
* stdio-common/printf_size.c (__printf_size): Likewise.
* stdio-common/vfprintf.c (process_arg): Initialize member
info.is_binary128 to zero.
* stdlib/fpioconst.h (FLT128_MAX_10_EXP_LOG): New macro.
* stdlib/stdlib.h: Include bits/floatn.h for _Float128 support.
(strfromf128): New declaration.
* stdlib/strfrom-skeleton.c (STRFROM): Set member info.is_binary128
to one.
* sysdeps/ieee754/float128/Makefile: Add strfromf128.
* sysdeps/ieee754/float128/Versions: Likewise.
* sysdeps/ieee754/float128/strfromf128.c: New file.
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