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copy data from cur_ifr->ifr_addr and cur_ifr->ifr_netmask.
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PLT relocations aren't required when -z now used. Linker on master with:
commit 25070364b0ce33eed46aa5d78ebebbec6accec7e
Author: H.J. Lu <hjl.tools@gmail.com>
Date: Sat May 16 07:00:21 2015 -0700
Don't generate PLT relocations for now binding
There is no need for PLT relocations with -z now. We can use GOT
relocations, which take less space, instead and replace 16-byte .plt
entres with 8-byte .plt.got entries.
bfd/
* elf32-i386.c (elf_i386_check_relocs): Create .plt.got section
for now binding.
(elf_i386_allocate_dynrelocs): Use .plt.got section for now
binding.
* elf64-x86-64.c (elf_x86_64_check_relocs): Create .plt.got
section for now binding.
(elf_x86_64_allocate_dynrelocs): Use .plt.got section for now
binding.
won't generate PLT relocations with -z now. elf/tst-audit2.c expect
certain order of execution in ld.so. With PLT relocations, the GOTPLT
entry of calloc is update to calloc defined in tst-audit2:
(gdb) bt
skip_ifunc=<optimized out>, reloc_addr_arg=<optimized out>,
version=<optimized out>, sym=<optimized out>, map=<optimized out>)
at ../sysdeps/i386/dl-machine.h:329
out>,
nrelative=<optimized out>, relsize=<optimized out>,
reladdr=<optimized out>, map=<optimized out>) at do-rel.h:137
reloc_mode=reloc_mode@entry=0,
consider_profiling=1, consider_profiling@entry=0) at dl-reloc.c:258
user_entry=0xffffcf1c, auxv=0xffffd0a8) at rtld.c:2133
start_argptr=start_argptr@entry=0xffffcfb0,
dl_main=dl_main@entry=0xf7fda6f0 <dl_main>) at
../elf/dl-sysdep.c:249
from /export/build/gnu/glibc-32bit/build-i686-linux/elf/ld.so
(gdb)
and then calloc is called:
(gdb) c
Continuing.
Breakpoint 4, calloc (n=n@entry=20, m=4) at tst-audit2.c:18
18 {
(gdb) bt
reloc_mode=reloc_mode@entry=0, consider_profiling=1,
consider_profiling@entry=0) at dl-reloc.c:272
user_entry=0xffffcf1c, auxv=0xffffd0a8) at rtld.c:2133
start_argptr=start_argptr@entry=0xffffcfb0,
dl_main=dl_main@entry=0xf7fda6f0 <dl_main>) at
../elf/dl-sysdep.c:249
from /export/build/gnu/glibc-32bit/build-i686-linux/elf/ld.so
(gdb)
With GOT relocation, calloc in ld.so is called first:
(gdb) bt
consider_profiling=1) at dl-reloc.c:272
user_entry=0xffffcf0c, auxv=0xffffd098) at rtld.c:2074
start_argptr=start_argptr@entry=0xffffcfa0,
dl_main=dl_main@entry=0xf7fda6c0 <dl_main>) at
../elf/dl-sysdep.c:249
from /export/build/gnu/glibc-32bit-test/build-i686-linux/elf/ld.so
(gdb)
and then the GOT entry of calloc is updated:
(gdb) bt
skip_ifunc=<optimized out>, reloc_addr_arg=<optimized out>,
version=<optimized out>, sym=<optimized out>, map=<optimized out>)
at ../sysdeps/i386/dl-machine.h:329
out>,
nrelative=<optimized out>, relsize=<optimized out>,
reladdr=<optimized out>, map=<optimized out>) at do-rel.h:137
reloc_mode=reloc_mode@entry=0,
consider_profiling=1, consider_profiling@entry=0) at dl-reloc.c:258
user_entry=0xffffcf0c, auxv=0xffffd098) at rtld.c:2133
start_argptr=start_argptr@entry=0xffffcfa0,
dl_main=dl_main@entry=0xf7fda6c0 <dl_main>) at
../elf/dl-sysdep.c:249
from /export/build/gnu/glibc-32bit-test/build-i686-linux/elf/ld.so
(gdb)
After that, since calloc isn't called from ld.so nor any other modules,
magic in tst-audit2 isn't updated. Both orders are correct. This patch
makes sure that calloc in tst-audit2.c is called at least once from ld.so.
[BZ #18422]
* Makefile ($(objpfx)tst-audit2): Depend on $(libdl).
($(objpfx)tst-audit2.out): Also depend on
$(objpfx)tst-auditmod9b.so.
* elf/tst-audit2.c: Include <dlfcn.h>.
(calloc_called): New.
(calloc): Allow to be called more than once.
(do_test): dllopen/dlclose $ORIGIN/tst-auditmod9b.so.
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* sysdeps/ieee754/dbl-64/s_fabs.c: (__fabs): Call __builtin_fabs.
* sysdeps/ieee754/flt-32/s_fabsf.c: (__fabsf): Likewise.
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On 2015-05-26 21:24, Siddhesh Poyarekar wrote:
> On Tue, May 26, 2015 at 05:13:07PM +0300, Marko Myllynen wrote:
>> this should be obvious, please commit if looks to be ok.
>>
>> 2015-05-26 Marko Myllynen <myllynen@redhat.com>
>>
>> * stdlib/monetary.h: Fix comment.
>
> Patch didn't apply to master, but I've fixed it up and pushed it.
sorry about that (a whitespace hickup) - but your patch changed the
wrong comment, so here's a new patch to fix the fix.
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At issue for INLINE_SYSCALL was that it used "err" and "val"
as variable names in a #define, so that if it was used in a context
where the "caller" was also using "err" or "val", and those
variables were passed in to INLINE_SYSCALL, we would end up
referencing the internal shadowed variables instead.
For example, "char val" in check_may_shrink_heap() in
sysdeps/unix/sysv/linux/malloc-sysdep.h was being shadowed by
the syscall return "val" in INLINE_SYSCALL, causing the "char val"
not to get updated at all, and may_shrink_heap ended up always false.
A similar fix was made to INTERNAL_VSYSCALL_CALL.
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This patch removes the architecture specific gettimeofday implementation
to use the vDSO symbol and consolidate it on a common Linux one.
Similar to clock_gettime and clock_getres vDSO implementation, each port
that supports gettimeofday through vDSO should just implement INLINE_VSYSCALL
to access the symbol and define HAVE_{GETTIME,GETRES}_VSYSCAL as 1.
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In the introduction for the official orthography rules for Ukrainian
language (http://spelling.ulif.org.ua/peredmova.htm) there's a note
that only apostrophe does not affect order of the words when sorting.
As could be seen from the official alphabet the soft sign
(U+044C/U+042C) has its hard position and thus affects the order and
also letters "е" and "є" (CYR-IE: U+0435/U+0415 and UKR-IE:
U+0454/U+0404) have their own positions and should have separate place
when sorting.
This also corresponds to official Unicode collation chart for these
letters: http://unicode.org/charts/collation/chart_Cyrillic.html
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On 21/05/15 05:29, Siddhesh Poyarekar wrote:
> On Wed, May 20, 2015 at 06:55:02PM +0100, Szabolcs Nagy wrote:
>> i guess it's ok for consistency if i fix struct stat64
>> too to use __USE_XOPEN2K8.
>>
>> i will run some tests and come back with a patch
>
> I also think it would be appropriate to change this code in other
> architectures (microblaze and nacl IIRC) to make all of them
> consistent. It is a mechanical enough change IMO that all arch
> maintainer acks is not necessary.
>
here is the patch with consistent __USE_XOPEN2K8
ok to commit?
2015-05-21 Szabolcs Nagy <szabolcs.nagy@arm.com>
[BZ #18234]
* conform/data/sys/stat.h-data (struct stat): Add tests for st_atim,
st_mtim and st_ctim members.
* sysdeps/nacl/bits/stat.h (struct stat, struct stat64): Make
st_atim, st_ctim, st_mtim visible under __USE_XOPEN2K8 only.
* sysdeps/unix/sysv/linux/generic/bits/stat.h (struct stat,):
(struct stat64): Likewise.
* sysdeps/unix/sysv/linux/ia64/bits/stat.h (struct stat,):
(struct stat64): Likewise.
* sysdeps/unix/sysv/linux/microblaze/bits/stat.h (struct stat,):
(struct stat64): Likewise.
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This patch consolidate the Linux vDSO define and usage across all ports
that uses it. The common vDSO definitions and calling through
{INLINE/INTERNAL}_VSYSCALL macros are moved to a common header
sysdep-vdso.h and vDSO name declaration and prototype is defined
using a common macro.
Also PTR_{MANGLE,DEMANGLE} is added to ports that does not use them
for vDSO calls (aarch64, powerpc, s390, and tile) and thus it will
reflect in code changes. For ports that already implement pointer
mangling/demangling in vDSO system (i386, x32, x86_64) this patch
is mainly a code refactor.
Checked on x32, x86_64, x32, ppc64le, and aarch64.
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* elf/Makefile (localplt-built-dso): libmvec added to localplt test.
* include/libc-symbols.h: libmvec_hidden_* macro series added.
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A shared object doesn't need PLT if there are no PLT relocations. It
shouldn't be an error if DT_PLTRELSZ is missing.
[BZ #18410]
* elf/dl-reloc.c (_dl_relocate_object): Don't issue an error
for missing DT_PLTRELSZ.
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[BZ #18412]
* intl/locale.alias: Remove obsolete aliases "bokmål" and "français"
which caused 'locale -a' to output Latin-1 data in UTF-8 locales,
breaking some applications that use 'locale -a' output.
Change the encoding of this file from Latin-1 to ASCII to avoid
other potential problems with people grepping this file.
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This patch removes the socket.S implementation for all ports and replace
it by a C implementation using socketcall. For ports that implement
the syscall directly, there is no change.
The patch idea is to simplify the socket function implementation that
uses the socketcall to be based on C implemetation instead of a pseudo
assembly implementation with arch specific parts. The patch then remove
the assembly implementatation for the ports which uses socketcall
(i386, microblaze, mips, powerpc, sparc, m68k, s390 and sh).
I have cross-build GLIBC for afore-mentioned ports and tested on both
i386 and ppc32 without regressions.
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The soft-fp implementations of fma produce -Wuninitialized warnings
because, in the cases where the result is not a nonzero finite value,
the soft-fp does not set the exponent of the result since the (cooked)
packing will do so, but the compiler does not then see that the
exponent is always set in packing before it's used if it wasn't set
earlier. This patch uses DIAG_* macros to suppress those warnings.
Tested for mips64. (In fact this allows the mips64 build to complete
with the -Wno-uninitialized removed from math/Makefile, but more
cleanups are still needed in the ldbl-128ibm code for uninitialized
warnings there.)
* soft-fp/fmadf4.c: Include <libc-internal.h>.
(__fma): Ignore uninitialized warnings around packing.
* soft-fp/fmasf4.c: Include <libc-internal.h>.
(__fmaf): Ignore uninitialized warnings around packing.
* soft-fp/fmatf4.c: Include <libc-internal.h>.
(__fmal): Ignore uninitialized warnings around packing.
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The ldbl-128 and ldbl-128ibm implementations of tanl produce
uninitialized variable warnings with -Wuninitialized because of a
variable that is initialized only conditionally, then used under the
same conditions under which it is set. This patch uses DIAG_* macros
to suppress those warnings.
Tested for powerpc and mips64.
* sysdeps/ieee754/ldbl-128/k_tanl.c: Include <libc-internal.h>.
(__kernel_tanl): Ignore uninitialized warnings around use of SIGN.
* sysdeps/ieee754/ldbl-128ibm/k_tanl.c: Include <libc-internal.h>.
(__kernel_tanl): Ignore uninitialized warnings around use of SIGN.
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The ldbl-128 and ldbl-128ibm implementations of erfcl produce
uninitialized variable warnings with -Wuninitialized because of switch
statements where in fact one of the cases will always be executed, but
the compiler does not see that these cases cover all possibilities
(and because the reasoning that it does involves inequalities on the
representation of a floating point value leading to a set of possible
values for 8.0 times that value, converted to int, it's highly
nontrivial for the compiler to see that). This patch fixes those
warnings by converting the last case in those switch statements to a
"default" case.
Tested for powerpc and mips64.
* sysdeps/ieee754/ldbl-128/s_erfl.c (__erfcl): Make case 9 in
switch statement into default case.
* sysdeps/ieee754/ldbl-128ibm/s_erfl.c (__erfcl): Likewise.
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The ldbl-128 and ldbl-128ibm implementations of asinl produce
uninitialized variable warnings with -Wuninitialized because the code
for small arguments in fact always returns but the compiler cannot see
this and instead sees that a variable would be uninitialized if the
"if (huge + x > one)" conditional used to force the "inexact"
exception were false.
All the code in libm trying to force "inexact" for functions that are
not exactly defined is suspect and should be removed at some point
given that we now have a clear definition of the accuracy goals for
libm functions which, following C99/C11, does not require anything
about "inexact" for most functions (likewise, the multi-precision code
that tries to give correctly-rounded results, very slowly, for
functions for which the goals clearly do not include correct rounding,
if the faster paths are accurate enough). However, for now this patch
simply changes the code to use math_force_eval, rather than "if", to
ensure the evaluation of the inexact computation.
Tested for powerpc and mips64.
* sysdeps/ieee754/ldbl-128/e_asinl.c (__ieee754_asinl): Don't use
a conditional in forcing "inexact".
* sysdeps/ieee754/ldbl-128ibm/e_asinl.c (__ieee754_asinl):
Likewise.
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My review of conformtest expectations for POSIX showed up that the
_POSIX2_C_VERSION macro, required by POSIX and XPG standards before
2001, was missing in unistd.h, having been removed on 2003-04-03
despite those standards still being supported. This patch adds it
back. As it's in the implementation namespace, there's no need for it
to be conditional, and other such macros aren't conditional in this
header either.
Tested for x86_64 and x86 (testsuite). Note that this *does* change
the installed libraries, because it affects the sysconf support
(present all along) for _SC_2_C_VERSION.
[BZ #438]
* posix/unistd.h (_POSIX2_C_VERSION): New macro.
* conform/Makefile (test-xfail-POSIX/unistd.h/conform): Remove
variable.
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pathconf (sysdeps/unix/sysv/linux/pathconf.c) uses basename. But
pathconf is in POSIX back to 1990 while basename is only reserved with
external linkage in those standards including XPG functions. This
patch fixes this namespace issue in the usual way, renaming basename
to __basename and making it into a weak alias.
Tested for x86_64 and x86 (testsuite, and that disassembly of
installed shared libraries is unchanged by the patch).
[BZ #18444]
* string/basename.c (basename): Rename to __basename and define as
weak alias of __basename. Use libc_hidden_weak.
* include/string.h (__basename): Declare. Use libc_hidden_proto.
* sysdeps/unix/sysv/linux/pathconf.c (distinguish_extX): Call
__basename instead of basename.
* conform/Makefile (test-xfail-POSIX2008/unistd.h/linknamespace):
Remove variable.
(test-xfail-XOPEN2K8/unistd.h/linknamespace): Likewise.
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If you remove the "override CFLAGS += -Wno-uninitialized" in
math/Makefile, you get errors from lgamma implementations of the form:
../sysdeps/ieee754/dbl-64/e_lgamma_r.c: In function '__ieee754_lgamma_r':
../sysdeps/ieee754/dbl-64/e_lgamma_r.c:297:13: error: 'nadj' may be used uninitialized in this function [-Werror=maybe-uninitialized]
if(hx<0) r = nadj - r;
This is one of the standard kinds of false positive uninitialized
warnings: nadj is set under a certain condition, and then later used
under the same condition. This patch uses DIAG_* macros to suppress
the warning on the use of nadj. The ldbl-128 / ldbl-128ibm
implementation has a substantially different structure that avoids
this issue.
Tested for x86_64. (In fact this patch eliminates the need for that
-Wno-uninitialized on x86_64, but I want to test on more architectures
before removing it.)
* sysdeps/ieee754/dbl-64/e_lgamma_r.c: Include <libc-internal.h>.
(__ieee754_lgamma_r): Ignore uninitialized warnings around use of
NADJ.
* sysdeps/ieee754/flt-32/e_lgammaf_r.c: Include <libc-internal.h>.
(__ieee754_lgammaf_r): Ignore uninitialized warnings around use of
NADJ.
* sysdeps/ieee754/ldbl-96/e_lgammal_r.c: Include <libc-internal.h>.
(__ieee754_lgammal_r): Ignore uninitialized warnings around use of
NADJ.
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If you remove the "override CFLAGS += -Wno-uninitialized" in
math/Makefile, one of the errors you get is:
../sysdeps/ieee754/dbl-64/mpa.c: In function '__mp_dbl.part.0':
../sysdeps/ieee754/dbl-64/mpa.c:183:5: error: 'c' may be used uninitialized in this function [-Werror=maybe-uninitialized]
c *= X[0];
The problem is that the p < 5 case initializes c if p is 1, 2, 3 or 4
but not otherwise, and in fact p is positive for all calls to this
function so the uninitialized case can't actually occur. This patch
replaces the "if (p == 4)" last case with a comment so the compiler
can see that all paths do initialize c.
Tested for x86_64.
* sysdeps/ieee754/dbl-64/mpa.c (norm): Remove if condition on
(p == 4) case.
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This patch adds re_syntax_options (bug 18442) to the set of symbols
that are whitelisted in the linknamespace tests because, while the
references to them are genuine bugs that should be fixed, the
involvement of data symbols makes them harder to fix than most such
bugs.
Tested for x86_64 and x86.
* conform/linknamespace.pl (@whitelist): Add re_syntax_options.
* conform/Makefile (test-xfail-UNIX98/regex.h/linknamespace):
Remove variable.
(test-xfail-XOPEN2K/regex.h/linknamespace): Likewise.
(test-xfail-POSIX2008/regex.h/linknamespace): Likewise.
(test-xfail-XOPEN2K8/regex.h/linknamespace): Likewise.
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Different labels are no longer needed because the tables are now in
separate functions.
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This splits a considerable chunk of code from the main vfprintf
function. This will make it easier to remove the use of extend_alloca
from the positional argument handling code.
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The second jump table will be moved to a separate function
in the next commit.
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Tests position and non-positional arguments with two
test string.
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Remove use of ext.nsmap member of struct __res_state and always use
an identity mapping betwen the nsaddr_list array and the ext.nsaddrs
array. The fact that a nameserver has an IPv6 address is signalled by
setting nsaddr_list[].sin_family to zero.
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The conform/ tests were using -D_POSIX_C_SOURCE=199912 to test "POSIX"
(1995/6). This patch changes them to use 199506L, the proper value
from the relevant edition of POSIX. (This doesn't make any difference
to features.h, but is the logically correct value to use.) Tested for
x86_64.
* conform/GlibcConform.pm ($CFLAGS{"POSIX"}): Use
-D_POSIX_C_SOURCE=199506L.
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When cleaning up conformtest expectations for POSIX for locale.h in
<https://sourceware.org/ml/libc-alpha/2012-11/msg00382.html>, I missed
that locale.h had contents defined in POSIX.2:1993 as well as
POSIX.1:1995/6. Thus, LC_MESSAGES *should* in fact be required for
POSIX, because POSIX.2 says so; this patch adds that expectation
back. Tested for x86_64.
* conform/data/locale.h-data [POSIX] (LC_MESSAGES): Require.
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Concluding the series of patches to clean up conformtest expectations
for "POSIX" (POSIX.1:1995/6, union with POSIX.2:1993), this patch
cleans up expectations for unistd.h. Tested x86_64; the new XFAIL is
for missing _POSIX2_C_VERSION.
* conform/data/unistd.h-data (_POSIX_VERSION): Require.
(_POSIX2_C_VERSION): Require if [POSIX || XPG3 || XPG4 || UNIX98].
Do not mention otherwise.
[POSIX] (_XOPEN_VERSION): Do not expect.
[POSIX] (_XOPEN_XCU_VERSION): Likewise.
[POSIX] (_POSIX2_C_BIND): Likewise.
[POSIX] (_POSIX2_VERSION): Likewise.
[POSIX] (_XOPEN_XPG2): Likewise.
[POSIX] (_XOPEN_XPG3): Likewise.
[POSIX] (_XOPEN_XPG4): Likewise.
[POSIX] (_XOPEN_UNIX): Likewise.
[POSIX] (_POSIX_ADVISORY_INFO): Likewise.
[POSIX] (_POSIX_BARRIERS): Likewise.
[POSIX] (_POSIX_CLOCK_SELECTION): Likewise.
[POSIX] (_POSIX_CPUTIME): Likewise.
[POSIX] (_POSIX_MONOTONIC_CLOCK): Likewise.
[POSIX] (_POSIX_READER_WRITER_LOCKS): Likewise.
[POSIX] (_POSIX_SHELL): Likewise.
[POSIX] (_POSIX_SPAWN): Likewise.
[POSIX] (_POSIX_SPIN_LOCKS): Likewise.
[POSIX] (_POSIX_SPORADIC_SERVER): Likewise.
[POSIX] (_POSIX_THREAD_CPUTIME): Likewise.
[POSIX] (_POSIX_TYPED_MEMORY_OBJECTS): Likewise.
[POSIX] (_POSIX_THREAD_SPORADIC_SERVER): Likewise.
[POSIX] (_XBS5_ILP32_OFF32): Likewise.
[POSIX] (_XBS5_ILP32_OFBIG): Likewise.
[POSIX] (_XBS5_LP64_OFF64): Likewise.
[POSIX] (_XBS5_LPBIG_OFFBIG): Likewise.
[POSIX] (_POSIX_TIMEOUTS): Likewise.
[POSIX] (_POSIX2_PBS): Likewise.
[POSIX] (_POSIX2_PBS_ACCOUNTING): Likewise.
[POSIX] (_POSIX2_PBS_CHECKPOINT): Likewise.
[POSIX] (_POSIX2_PBS_LOCATE): Likewise.
[POSIX] (_POSIX2_PBS_MESSAGE): Likewise.
[POSIX] (_POSIX2_PBS_TRACK): Likewise.
[POSIX] (_POSIX_TIMESTAMP_RESOLUTION): Likewise.
[POSIX] (_CS_XBS5_ILP32_OFF32_CFLAGS): Likewise.
[POSIX] (_CS_XBS5_ILP32_OFF32_LDFLAGS): Likewise.
[POSIX] (_CS_XBS5_ILP32_OFF32_LIBS): Likewise.
[POSIX] (_CS_XBS5_ILP32_OFF32_LINTFLAGS): Likewise.
[POSIX] (_CS_XBS5_ILP32_OFFBIG_CFLAGS): Likewise.
[POSIX] (_CS_XBS5_ILP32_OFFBIG_LDFLAGS): Likewise.
[POSIX] (_CS_XBS5_ILP32_OFFBIG_LIBS): Likewise.
[POSIX] (_CS_XBS5_ILP32_OFFBIG_LINTFLAGS): Likewise.
[POSIX] (_CS_XBS5_LP64_OFF64_CFLAGS): Likewise.
[POSIX] (_CS_XBS5_LP64_OFF64_LDFLAGS): Likewise.
[POSIX] (_CS_XBS5_LP64_OFF64_LIBS): Likewise.
[POSIX] (_CS_XBS5_LP64_OFF64_LINTFLAGS): Likewise.
[POSIX] (_CS_XBS5_LPBIG_OFFBIG_CFLAGS): Likewise.
[POSIX] (_CS_XBS5_LPBIG_OFFBIG_LDFLAGS): Likewise.
[POSIX] (_CS_XBS5_LPBIG_OFFBIG_LIBS): Likewise.
[POSIX] (_CS_XBS5_LPBIG_OFFBIG_LINTFLAGS): Likewise.
[POSIX] (_SC_2_C_BIND): Likewise.
[POSIX] (_SC_2_C_VERSION): Likewise.
[POSIX] (_SC_2_PBS): Likewise.
[POSIX] (_SC_2_PBS_ACCOUNTING): Likewise.
[POSIX] (_SC_2_PBS_CHECKPOINT): Likewise.
[POSIX] (_SC_2_PBS_LOCATE): Likewise.
[POSIX] (_SC_2_PBS_MESSAGE): Likewise.
[POSIX] (_SC_2_PBS_TRACK): Likewise.
[POSIX] (_SC_ATEXIT_MAX): Likewise.
[POSIX] (_SC_BARRIERS): Likewise.
[POSIX] (_SC_BASE): Likewise.
[POSIX] (_SC_CLOCK_SELECTION): Likewise.
[POSIX] (_SC_DEVICE_IO): Likewise.
[POSIX] (_SC_DEVICE_SPECIFIC): Likewise.
[POSIX] (_SC_DEVICE_SPECIFIC_R): Likewise.
[POSIX] (_SC_FD_MGMT): Likewise.
[POSIX] (_SC_FIFO): Likewise.
[POSIX] (_SC_FILE_ATTRIBUTES): Likewise.
[POSIX] (_SC_FILE_LOCKING): Likewise.
[POSIX] (_SC_FILE_SYSTEM): Likewise.
[POSIX] (_SC_IOV_MAX): Likewise.
[POSIX] (_SC_MONOTONIC_CLOCK): Likewise.
[POSIX] (_SC_NETWORKING): Likewise.
[POSIX] (_SC_PAGE_SIZE): Likewise.
[POSIX] (_SC_PASS_MAX): Likewise.
[POSIX] (_SC_PIPE): Likewise.
[POSIX] (_SC_READER_WRITER_LOCKS): Likewise.
[POSIX] (_SC_REGEXP): Likewise.
[POSIX] (_SC_SHELL): Likewise.
[POSIX] (_SC_SIGNALS): Likewise.
[POSIX] (_SC_SINGLE_PROCESS): Likewise.
[POSIX] (_SC_SPIN_LOCKS): Likewise.
[POSIX] (_SC_TYPED_MEMORY_OBJECTS): Likewise.
[POSIX] (_SC_USER_GROUPS): Likewise.
[POSIX] (_SC_USER_GROUPS_R): Likewise.
[POSIX] (_SC_STREAMS): Likewise.
[POSIX] (_SC_XBS5_ILP32_OFF32): Likewise.
[POSIX] (_SC_XBS5_ILP32_OFFBIG): Likewise.
[POSIX] (_SC_XBS5_LP64_OFF64): Likewise.
[POSIX] (_SC_XBS5_LPBIG_OFFBIG): Likewise.
[POSIX] (_SC_THREAD_ROBUST_PRIO_INHERIT): Likewise.
[POSIX] (_SC_THREAD_ROBUST_PRIO_PROTECT): Likewise.
[POSIX] (_PC_FILESIZEBITS): Likewise.
[POSIX] (_PC_REC_INCR_XFER_SIZE): Likewise.
[POSIX] (_PC_REC_MAX_XFER_SIZE): Likewise.
[POSIX] (_PC_REC_MIN_XFER_SIZE): Likewise.
[POSIX] (_PC_REC_XFER_ALIGN): Likewise.
[POSIX] (uid_t): Likewise.
[POSIX] (gid_t): Likewise.
[POSIX] (off_t): Likewise.
[POSIX] (pid_t): Likewise.
[POSIX] (cuserid): Allow.
(_SC_2_CHAR_TERM): Require constant.
(_POSIX_ASYNCHRONOUS_IO): Remove duplicate optional-constant.
* conform/Makefile (test-xfail-POSIX/unistd.h/conform): New
variable.
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This patch removes the specialized i386 assembly implementations for
fallocate{64}, pselect, and sync_file_range now that i386 have
support for 6 argument syscalls.
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ldbl-96 remquol wrongly handles the case where the first argument is
finite and the second infinite, because the check for the second
argument being a NaN fails to disregard the explicit high mantissa bit
and so wrongly interprets an infinity as being a NaN. This patch
fixes this by masking off that bit, and improves test coverage for
both remainder and remquo (various cases were missing tests, or, as in
the case of the bug, were tested only for one of the two functions).
Tested for x86_64 and x86.
[BZ #18244]
* sysdeps/ieee754/ldbl-96/s_remquol.c (__remquol): Ignore explicit
high mantissa bit when testing whether P is a NaN.
* math/libm-test.inc (remainder_test_data): Add more tests.
(remquo_test_data): Likewise.
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The i386 implementation of atanhl, for small arguments, does a
calculation that involves computing twice the square of the argument,
resulting in spurious underflows for some arguments. This patch fixes
this by just returning the argument when its exponent is below -32,
with underflow being forced as needed for subnormal arguments.
Tested for x86 and x86_64.
[BZ #18049]
* sysdeps/i386/fpu/e_atanhl.S (__ieee754_atanhl): For exponents
below -32, return the argument, with underflow if subnormal.
* math/auto-libm-test-in: Add more tests of atanh.
* math/auto-libm-test-out: Regenerated.
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in order to avoid strict alias warnings.
(iruserok_af): Ditto for ra.
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