| Commit message (Collapse) | Author | Age | Files | Lines |
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It's the same as the generic dummy version.
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This test case is very, especially on targets using soft-float or QEMU
(where soft-float is used internally), and appears to be the only such
outlier. Therefore rather than requiring to have TIMEOUTFACTOR set
large enough globally, bump up the local scaling factor instead.
* stdlib/tst-strtod-overflow.c (TIMEOUT): Bump up to 30.
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c4c4124473c187b5c4642611390897666c3d3970 added the _Noreturn macro for
pre-C11 compilers, but it now throws a new Wundef warning during `make
check` for __STDC_VERSION__ which gcc does not define by default. The
following patch fixes this in line with other uses of __STDC_VERSION__
in the file.
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The PAGE_COPY_THRESHOLD macro is meant to be overridden by
architecture-specific pagecopy.h, but it is currently done only by
mach; all other architectures use the default. Check to see if the
macro is defined in addition to whether it is set to a non-zero value.
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This patch adds an ifunc power7 strcat symbol that uses the logic on
sysdeps/powerpc/strcat.c but call power7 strlen/strcpy symbols instead
of default ones.
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This reduces the differences with gettext version of loadmsgcat.c
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It is _POSIX_SIGNALS and not _POSUX_SIGNALS
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Merge the latest version of the obstack.c and obstack.h files
from gnulib. The majority of this change is coding style and
cosmetic comment changes but it also fixes a -Wundef warning
in the build as a side effect.
2014-07-02 Will Newton <will.newton@linaro.org>
* malloc/obstack.c: Merge from gnulib master.
[HAVE_CONFIG_H]: Remove conditional code.
[!_LIBC]: Include config.h.
[!ELIDE_CODE]: Don't include inttypes.h, include
stdint.h unconditionally.
(print_and_abort): Mark as _Noreturn.
(_obstack_allocated_p): Mark as __attribute_pure__.
(obstack_free): Rename to __obstack_free.
[!__attribute__]: Remove conditional code.
* malloc/obstack.h: Merge from gnulib master.
[__cplusplus]: Move conditional down.
[!__attribute_pure__]: Define __attribute_pure__ here
if it is not already defined.
(_obstack_memory_used): Mark as __attribute_pure__.
[!__obstack_free]: Define as obstack_free.
[__GNUC__]: Remove check for ancient NeXT gcc.
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2014-07-02 Will Newton <will.newton@linaro.org>
Paul Eggert <eggert@cs.ucla.edu>
* misc/sys/cdefs.h (_Noreturn): New macro, for pre-C11 compilers.
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This commit removes the aio_cancel and aio_cancel64 symbols at
GLIBC_2.3 from the ABI baseline. The ABI baseline is now complete
for hppa and considered stable.
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The following ABI baselines were tested against several old releases
of debian and gentoo. Several problems were discovered and fixed as
part of developing the ABI baselines.
Firstly, libBrokenLocale on gentoo exports __ctype_get_mb_cur_max
as @@GLIBC_2.0, but it should be @@GLIBC_2.2 since that's the minimum
version defined in shlib-versions for hppa. I don't know when this
broke, but master properly parses hppa's shlib-versions which clearly
lists libBrokenLocale as defaulting to GLIBC_2.2. Therefore I'm
accepting GLBIC_2.2 as the correct version for this symbol and setting
the baseline to that, despite the fact that the present distribution
is wrong. I don't expect that any new applications should be using
libBrokenLocale, so it should match the oldest behaviour which is to
export a GLIBC_2.2 symbol. For example in debian's 2.7 has it at
version GLIBC_2.2.
Secondly, aio_cancel and aio_cancel64 previously had a compat symbol
at version @GLIBC_2.1 with a new symbol at @@GLIBC_2.3[1]. During the
Linuxthreads to NPTL transition the file aio_cancel.c was lost for hppa
and that resulted in just @@GLIBC_2.1 versions of these symbols being
exported. The @@GLIBC_2.1 version works correctly and uses the right
value of ECANCELLED. Therefore if I were to fix this today it might
break correctly working applications using aio_cancel*@GLIBC_2.1 by
causing those to use the old aio_cancel that used the older value
of ECANCELLED. Thus the best option is to accept that the ABI changed
and ignore older applications in favour of newer applications. The
best thing to do is cleanup the version files (included in the patch).
The rest of the ABI was as expected (ignoring __p_type_syms size
change in 2008).
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The isunordered formulation raises SIGFPE for SNaN.
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The code in gethnamaddr.c for gethostbyaddr used and set this macro to
allow multiple PTR records to be added as aliases. This was useful
for gethostbyaddr since it returns a hostent structure, which can
return aliases.
The gethnamaddr.c source however is unused in glibc since pretty much
forever. Instead, the DNS lookup bits for gethostbyaddr (as well as
getnameinfo) are implemented in dns-hosts.c and in that implementation
all but one (the first one) of the multiple PTR records are ignored.
Since gethnamaddr.c is essentially dead code, ignore that
implementation and replace the MULTI_PTRS_ARE_ALIASES bit with a
comment mentioning that bind adds PTR records as aliases while we
don't.
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Now that the MicroBlaze 3.15 kernel has the pselect6, preadv and
pwritev syscalls, this patch updates kernel-features.h so they are
assumed to be present for 3.15 and later kernels.
2014-06-17 Joseph Myers <joseph@codesourcery.com>
* sysdeps/unix/sysv/linux/microblaze/kernel-features.h
[__LINUX_KERNEL_VERSION >= 0x030f00] (__ASSUME_PSELECT): Do not
undefine.
[__LINUX_KERNEL_VERSION >= 0x030f00] (__ASSUME_PREADV): Likewise.
[__LINUX_KERNEL_VERSION >= 0x030f00] (__ASSUME_PWRITEV): Likewise.
Signed-off-by: David Holsgrove <david.holsgrove@xilinx.com>
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Signed-off-by: David Holsgrove <david.holsgrove@xilinx.com>
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And update socket.S, Makefile to use *_nocancel definitions.
Absence of sysdep-cancel.h was not apparent until Roland's
not-cancel.h unification.
2014-06-30 David Holsgrove <david.holsgrove@xilinx.com>
* sysdeps/unix/sysv/linux/microblaze/sysdep-cancel.h: New file
* sysdeps/unix/sysv/linux/microblaze/socket.S: Update SINGLE_THREAD_P
* sysdeps/unix/sysv/linux/microblaze/Makefile: Add to libpthread-routines
Signed-off-by: David Holsgrove <david.holsgrove@xilinx.com>
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This patch regenerates libm-test-ulps for MIPS.
* sysdeps/mips/mips32/libm-test-ulps: Regenerated.
* sysdeps/mips/mips64/libm-test-ulps: Likewise.
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This patch regenerates libm-test-ulps for powerpc-nofpu.
* sysdeps/powerpc/nofpu/libm-test-ulps: Regenerated.
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This patch regenerates libm-test-ulps for ARM. As before it may be
useful for someone building for a configuration with VFMA enabled to
do a followup regeneration for any additional ulps in that
configuration.
Committed.
* sysdeps/arm/libm-test-ulps: Regenerated.
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This makes sure any subprocesses created by the program being tested get
killed as well if their parent times out. Otherwise if they are really
stuck, they may remain there running forever after the test case and
then the whole test suite has completed, until killed by hand.
* test-skeleton.c (signal_handler): Kill the whole process group
before killing the child individually.
(main): Report any failure on `setpgid'.
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This patch fixes spurious underflows from ldbl-128 expm1l, as reported
in <https://sourceware.org/ml/libc-alpha/2014-06/msg00835.html> and
exposed by the tests added for such a bug in the x86 / x86-64
version. The bug and fix are essentially the same, so no separate bug
is filed in Bugzilla.
Tested for mips64.
[BZ #16539]
* sysdeps/ieee754/ldbl-128/s_expm1l.c: Include <float.h>.
(__expm1l): Return argument unchanged when small but not
subnormal.
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Continuing the soft-fp variable renaming from
<https://sourceware.org/ml/libc-alpha/2014-06/msg00434.html> to avoid
shadowing if two macros happen to use the same variable name and that
variable is involved in an argument one of those macros passes to
another, this patch renames variables in op-[1248].h. (The two
patches are to different files and are independent of each other.)
Tested for powerpc32 (soft-float) and mips64 that this makes no change
to the disassembly of installed shared libraries.
* soft-fp/op-1.h (_FP_UNPACK_RAW_1): Rename local variables to
include macro name.
(_FP_UNPACK_RAW_1_P): Likewise.
(_FP_PACK_RAW_1): Likewise.
(_FP_PACK_RAW_1_P): Likewise.
(_FP_MUL_MEAT_1_wide): Likewise.
(_FP_MUL_MEAT_DW_1_hard): Likewise.
(_FP_MUL_MEAT_1_hard): Likewise.
(_FP_DIV_MEAT_1_imm): Likewise.
(_FP_DIV_MEAT_1_udiv_norm): Likewise.
(_FP_DIV_MEAT_1_udiv): Likewise.
* soft-fp/op-2.h (__FP_FRAC_DEC_2): Likewise.
(_FP_UNPACK_RAW_2): Likewise.
(_FP_UNPACK_RAW_2_P): Likewise.
(_FP_PACK_RAW_2): Likewise.
(_FP_PACK_RAW_2_P): Likewise.
(_FP_MUL_MEAT_DW_2_wide): Likewise.
(_FP_MUL_MEAT_2_wide): Likewise.
(_FP_MUL_MEAT_DW_2_wide_3mul): Likewise.
(_FP_MUL_MEAT_2_wide_3mul): Likewise.
(_FP_MUL_MEAT_DW_2_gmp): Likewise.
(_FP_MUL_MEAT_2_gmp): Likewise.
(_FP_DIV_MEAT_2_udiv): Likewise.
* soft-fp/op-4.h (_FP_FRAC_SLL_4): Likewise.
(_FP_FRAC_SRL_4): Likewise.
(_FP_FRAC_SRST_4): Likewise.
(_FP_FRAC_SRS_4): Likewise.
(_FP_UNPACK_RAW_4): Likewise.
(_FP_UNPACK_RAW_4_P): Likewise.
(_FP_PACK_RAW_4): Likewise.
(_FP_PACK_RAW_4_P): Likewise.
(_FP_MUL_MEAT_DW_4_wide): Likewise.
(_FP_MUL_MEAT_4_wide): Likewise.
(_FP_MUL_MEAT_4_gmp): Likewise.
(umul_ppppmnnn): Likewise.
(_FP_DIV_MEAT_4_udiv): Likewise.
(__FP_FRAC_ADD_4): Likewise.
(__FP_FRAC_SUB_3): Likewise.
(__FP_FRAC_SUB_4): Likewise.
(__FP_FRAC_DEC_3): Likewise.
(__FP_FRAC_DEC_4): Likewise.
(__FP_FRAC_ADDI_4): Likewise.
* soft-fp/op-8.h (_FP_FRAC_SLL_8): Likewise.
(_FP_FRAC_SRL_8): Likewise.
(_FP_FRAC_SRS_8): Likewise.
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In <https://sourceware.org/ml/libc-alpha/2013-06/msg00851.html>, I
fixed a bug caused by multiple soft-fp macros using the same variable
names, resulting in shadowing when one macro called another that used
the same variable name, with an argument involving the variable in the
outer macro. The fix was to rename the local variables so their names
included the containing macro name, to ensure uniqueness.
I noted then that this would make sense more systematically for all
variables in any soft-fp macro. Since then, I've used such variable
names in new soft-fp macros. This patch now converts existing macros
in extended.h and op-common.h to use this convention. (op-[1248].h
are intended to be converted separately.)
(Name conflicts could arise for label names as well, but because those
are function-scope in C any such conflict will give an immediate
compile error rather than a subtle bug, so there's no need for
preemptive renaming in that case.)
Tested for powerpc32 (soft-float) and mips64 that this makes no change
to the disassembly of installed shared libraries.
* soft-fp/extended.h (FP_UNPACK_RAW_E): Rename local variables to
include macro name.
(FP_UNPACK_RAW_EP): Likewise.
(FP_PACK_RAW_E): Likewise.
(FP_PACK_RAW_EP): Likewise.
* soft-fp/op-common.h (_FP_UNPACK_CANONICAL): Likewise.
(_FP_ISSIGNAN): Likewise.
(_FP_ADD_INTERNAL): Likewise.
(_FP_FMA): Likewise.
(_FP_CMP): Likewise.
(_FP_SQRT): Likewise.
(_FP_TO_INT): Likewise.
(_FP_FROM_INT): Likewise.
(FP_EXTEND): Likewise.
(_FP_DIV_MEAT_N_loop): Likewise.
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* sysdeps/unix/sysv/linux/bits/socket.h: Adjust macro formatting
throughout.
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This patch fixes bug 17097, ldbl-128 powl producing overflowing /
underflowing results with positive sign when the result should have
been negative. This was shown up by the tests in non-default rounding
modes added by my patch for bug 16315, but isn't actually limited to
non-default rounding modes: rather, when rounding to nearest the
wrappers produced a result with the correct sign and so always hid the
bug unless -lieee was used to disable the wrappers. The problem is
that in the cases where Y is large enough that the result overflows or
underflows for X not very close to 1, but not large enough to overflow
or underflow for all X != +/- 1 (in the latter case Y is always an
even integer), a positive overflowing / underflowing result is always
returned, rather than one with the correct sign. This patch moves the
relevant part of computation of the sign earlier and returns a result
of the correct sign.
Tested for mips64.
[BZ #17097]
* sysdeps/ieee754/ldbl-128/e_powl.c (__ieee754_powl): Return
result with correct sign in case of exponents that produce
overflow except for X very close to 1.
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From the gnulib commit log:
commit e2646b0c6b5acda25e9ffeb4c12a5513a1e3b5ac
Author: Paul Eggert <eggert@cs.ucla.edu>
Date: Fri Jun 27 11:35:44 2014 -0700
mktime: merge #if/#ifdef usage from glibc
* lib/mktime.c: Use "#if defined DEBUG && DEBUG", not "#if DEBUG",
as that works with both Glibc's and Gnulib's style.
See thread starting at Siddhesh Poyarekar's bug report at:
http://lists.gnu.org/archive/html/bug-gnulib/2014-06/msg00102.html
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Define MEMCPY_OK_FOR_FWD_MEMMOVE in memcopy.h and let arch-specific
implementations of that file override the value if necessary. This
override is only useful for tile and moving this macro to memcopy.h
allows us to remove the tile-specific memmove.c.
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shlib-versions files can contain ABI lines that map triplets to a
canonical ABI name. This name was once used for various purposes
where test baseline files for different ABIs went in a single
directory; now these purposes use sysdeps files, generation of headers
which have per-ABI variants uses abi-variants and related Makefile
variables and the shlib-versions ABI names are unused. This patch
duly removes those lines and associated build system support for them.
Tested for x86_64 (both a full testsuite run and confirming the
installed shared libraries are unchanged by the patch).
* Makeconfig ($(common-objpfx)soversions.mk): Do not generate
abi-name definition.
* scripts/soversions.awk: Do not handle or generate ABI lines.
* shlib-versions: Remove ABI entries.
* sysdeps/powerpc/nofpu/shlib-versions: Remove file.
* sysdeps/x86_64/x32/shlib-versions: Remove ABI entry.
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The nscd parent process returns the result of a `wait' call rather
than the exit status of the child it waits for. These two aren't
exactly the same. In my case (and probably on most machines), the exit
status is in the 2nd LSB of the result of `wait', and so:
e.g. if the nscd child process returns 1, the parent returns 1 << 8,
which Bash happily reports as 0.
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This patch removes the configure test for working -z relro.
The use of -z relro in Makeconfig became unconditional with
commit 2e6ab1df44c412bb9d30b26a4d8a679150a7e375
Author: Ulrich Drepper <drepper@redhat.com>
Date: Sat Oct 28 06:44:04 2006 +0000
Remove conditional code which now is unnecessary.
(commit reference from git://repo.or.cz/glibc/history), so since then
the configure test has not controlled anything about how glibc is
built - simply about whether configure succeeds and allows a build to
be attempted. The test for whether the option did something useful
(as opposed to whether it exists - which we can certainly just assume
by now) was originally added in
<https://sourceware.org/ml/libc-hacker/2004-09/msg00069.html> to
disable the option in a case when it did nothing useful on ia64 (as a
result of something deliberate in the linker on ia64). Since 2006
that disabling has been of no effect, and given that the current test
does not set libc_relro_required for ia64, it does nothing whatever
useful for the original motivating case. Also at around the same time
in 2006 the test was made to give an error for missing or broken -z
relro support on various architectures.
So effectively all the test does now is verify that, on certain
architectures, the linker has not been changed deliberately to make
the option ineffective. I see no apparent reason why such a change
should be expected, or why the build should be stopped if it were to
be made (any more than we disallow build on ia64); I think we can
trust binutils patch review to point out the consequences of any
change to COMMONPAGESIZE setting. The only thing that might now make
sense would be disabling the -z relro use on an architecture-specific
basis if there were an architecture-specific reason to consider that
to make sense; it would be for the ia64 maintainer to decide if that
makes sense for ia64 at present, but I think that could be done
through sysdeps Makefiles - no special configure tests needed.
Tested for x86_64 that this patch makes no change to the installed
shared libraries.
Together with
<https://sourceware.org/ml/libc-alpha/2014-06/msg00788.html> (pending
review) this substantially eliminates architecture-specific cases from
architecture-independent configure.ac files. There remains an i386
case in sysdeps/mach/hurd/configure.ac that should properly move to
the i386 subdirectory. (There are also OS-specific cases outside
OS-specific directories; in principle I think should should also
move.)
* configure.ac (libc_commonpagesize): Remove variable.
(libc_relro_required): Likewise.
(libc_cv_z_relro): Remove configure test.
* configure: Regenerated.
* sysdeps/aarch64/preconfigure (libc_commonpagesize): Do not set
variable.
(libc_relro_required): Likewise.
* sysdeps/alpha/preconfigure (libc_commonpagesize): Likewise.
(libc_relro_required): Likewise.
* sysdeps/arm/preconfigure.ac (libc_commonpagesize): Likewise.
(libc_relro_required): Likewise.
* sysdeps/arm/preconfigure: Regenerated.
* sysdeps/ia64/preconfigure: Remove file.
* sysdeps/tile/preconfigure (libc_commonpagesize): Do not set
variable.
(libc_relro_required): Likewise.
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This patch fixes bugs 16561 and 16562, bad results of yn in overflow
cases in non-default rounding modes, both because an intermediate
overflow in the recurrence does not get detected if the result is not
an infinity and because an overflowing result may occur in the wrong
sign. The fix is to set FE_TONEAREST mode internally for the parts of
the function where such overflows can occur (which includes the call
to y1 - where yn is used to compute a Bessel function of order -1,
negating the result of y1 isn't correct for overflowing results in
directed rounding modes) and then compute an overflowing value in the
original rounding mode if the to-nearest result was an infinity.
Tested x86_64 and x86 and ulps updated accordingly. Also tested for
mips64 and powerpc32 to test the ldbl-128 and ldbl-128ibm changes.
(The tests for these bugs were added in my previous y1 patch, so the
only thing this patch has to do with the testsuite is enable yn
testing in all rounding modes.)
[BZ #16561]
[BZ #16562]
* sysdeps/ieee754/dbl-64/e_jn.c: Include <float.h>.
(__ieee754_yn): Set FE_TONEAREST mode internally and then
recompute overflowing results in original rounding mode.
* sysdeps/ieee754/flt-32/e_jnf.c: Include <float.h>.
(__ieee754_ynf): Set FE_TONEAREST mode internally and then
recompute overflowing results in original rounding mode.
* sysdeps/ieee754/ldbl-128/e_jnl.c: Include <float.h>.
(__ieee754_ynl): Set FE_TONEAREST mode internally and then
recompute overflowing results in original rounding mode.
* sysdeps/ieee754/ldbl-128ibm/e_jnl.c: Include <float.h>.
(__ieee754_ynl): Set FE_TONEAREST mode internally and then
recompute overflowing results in original rounding mode.
* sysdeps/ieee754/ldbl-96/e_jnl.c: Include <float.h>.
(__ieee754_ynl): Set FE_TONEAREST mode internally and then
recompute overflowing results in original rounding mode.
* sysdeps/i386/fpu/fenv_private.h [!__SSE2_MATH__]
(libc_feholdsetround_ctx): New macro.
* math/libm-test.inc (yn_test): Use ALL_RM_TEST.
* sysdeps/i386/fpu/libm-test-ulps: Update.
* sysdeps/x86_64/fpu/libm-test-ulps : Likewise.
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The 64-bit MIPS ABIs involve the caller setting up t9 ($25) to the
address of the called function, and the called function then using
this in a .cpsetup directive to compute gp. The .cpsetup directive
needs to name the function to which t9 points for this purpose. In
the definition of *_nocancel functions, the directive pointed to the
normal entry point rather than the _nocancel one, resulting in
segfaults when the _nocancel functions were used. This patch corrects
the function name used in the directive. (It seems the bug was latent
until Roland's not-cancel.h unification, with the _nocancel entry
points not previously being used - so not user-visible in a release,
so no Bugzilla entry required.)
Tested mips64 sufficiently to confirm the previously seen segfaults
are fixed.
* sysdeps/unix/sysv/linux/mips/mips64/nptl/sysdep-cancel.h
[__PIC__] (PSEUDO): Use name of _nocancel entry point in
corresponding .cpsetup call.
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scripts/list-sources.sh includes handling of ports that has been
obsolete ever since the ports repository was merged into the libc
repository. This patch removes that handling.
Tested by regenerating libc.pot and examining the resulting changes.
* scripts/list-sources.sh: Do not handle ports specially.
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