Merge remote branch 'origin/master' into nptl_merge

Signed-off-by: Austin Foxley <austinf@cetoncorp.com>

Revert "libc: add hidden calls to pthread cleanup funcs"

This reverts commit e0ac4efbdb498319f03a2a95d75d061ab6c68491.

Was causing segfaults on every pthread linked executable

Signed-off-by: Austin Foxley <austinf@cetoncorp.com>

sh: Add new optimisation to the SH4 memcpy

This optimization is based on prefetching and 64bit data transfer via FPU
(only for the little endianess)

Tests shows that:

  ----------------------------------------
  Memory bandwidth    |        Gain
                      | sh4-300 | sh4-200
  ----------------------------------------
  512 bytes to 16KiB  | ~20%    | ~25%
  from 32KiB to 16MiB | ~190%   | ~5%
  ----------------------------------------

Signed-off-by: Austin Foxley <austinf@cetoncorp.com>
Signed-off-by: Giuseppe Cavallaro <peppe.cavallaro@st.com>
Signed-off-by: Carmelo Amoroso <carmelo.amoroso@st.com>

Merge remote branch 'origin/master' into nptl_merge

Conflicts:
Rules.mak
libc/misc/sysvipc/msgq.c
test/Rules.mak

Signed-off-by: Austin Foxley <austinf@cetoncorp.com>

make tls and nptl test build

Signed-off-by: Bernhard Reutner-Fischer <rep.dot.nop@gmail.com>
Signed-off-by: Austin Foxley <austinf@cetoncorp.com>

Look at HAVE_SHARED

We do not have UCLIBC_STATIC (anymore) but !HAVE_SHARED

Signed-off-by: Bernhard Reutner-Fischer <rep.dot.nop@gmail.com>
Signed-off-by: Austin Foxley <austinf@cetoncorp.com>

remove wait callbacks for non-cancelation funcs

No need to install a cancellation handler, these are no cancellation
point.

Signed-off-by: Bernhard Reutner-Fischer <rep.dot.nop@gmail.com>
Signed-off-by: Austin Foxley <austinf@cetoncorp.com>

include string.h for memset()

This avoids a warnings about implicit declaration of function 'memset'.

Signed-off-by: Bernhard Reutner-Fischer <rep.dot.nop@gmail.com>
Signed-off-by: Austin Foxley <austinf@cetoncorp.com>

Makefile: fix indentation

Signed-off-by: Bernhard Reutner-Fischer <rep.dot.nop@gmail.com>
Signed-off-by: Austin Foxley <austinf@cetoncorp.com>

install_headers.sh: make more user friendly

Make it easier to run this by hand and don't abort when recursive chown
and chmod fail as these often aren't due to uClibc settings.

Signed-off-by: Mike Frysinger <vapier@gentoo.org>

remove incorrect text from abspath option

Signed-off-by: Mike Frysinger <vapier@gentoo.org>

install shared libs with +x perms

Signed-off-by: Mike Frysinger <vapier@gentoo.org>

realclean: wipe kconfig objects

Signed-off-by: Bernhard Reutner-Fischer <rep.dot.nop@gmail.com>

silence rule overriding

Signed-off-by: Bernhard Reutner-Fischer <rep.dot.nop@gmail.com>

futimens: add function

Signed-off-by: Bernhard Reutner-Fischer <rep.dot.nop@gmail.com>

make test-skeleton C89 compliant

Signed-off-by: Bernhard Reutner-Fischer <rep.dot.nop@gmail.com>

remove superfluous extra semicolons

Signed-off-by: Bernhard Reutner-Fischer <rep.dot.nop@gmail.com>

ppoll: get NULL from stddef.h

Signed-off-by: Bernhard Reutner-Fischer <rep.dot.nop@gmail.com>

__assert: include unistd.h for smallint

Signed-off-by: Bernhard Reutner-Fischer <rep.dot.nop@gmail.com>

features.h: reorganize

Reorganize so uClibc related changes are better seen when syncing with glibc.

Signed-off-by: Peter S. Mazinger <ps.m@gmx.net>
Signed-off-by: Bernhard Reutner-Fischer <rep.dot.nop@gmail.com>

limits.h: update

Should we care about compilers not defining __LONG_LONG_MAX__?

Signed-off-by: Peter S. Mazinger <ps.m@gmx.net>
Signed-off-by: Bernhard Reutner-Fischer <rep.dot.nop@gmail.com>

help broken apps to detect __GLIBC__ headers

Signed-off-by: Peter S. Mazinger <ps.m@gmx.net>
Signed-off-by: Bernhard Reutner-Fischer <rep.dot.nop@gmail.com>

update headers and disable prototypes

Signed-off-by: Peter S. Mazinger <ps.m@gmx.net>
Signed-off-by: Bernhard Reutner-Fischer <rep.dot.nop@gmail.com>

protocols.h: remove

Signed-off-by: Peter S. Mazinger <ps.m@gmx.net>
Signed-off-by: Bernhard Reutner-Fischer <rep.dot.nop@gmail.com>

sync some headers and disable unused prototypes

Signed-off-by: Peter S. Mazinger <ps.m@gmx.net>
Signed-off-by: Bernhard Reutner-Fischer <rep.dot.nop@gmail.com>

msgrcv is of type ssize_t

Signed-off-by: Peter S. Mazinger <ps.m@gmx.net>
Signed-off-by: Bernhard Reutner-Fischer <rep.dot.nop@gmail.com>

use __BYTE_ORDER and __*ENDIAN

Those without the __ prefix are BSD specific.

Signed-off-by: Peter S. Mazinger <ps.m@gmx.net>
Signed-off-by: Bernhard Reutner-Fischer <rep.dot.nop@gmail.com>

SUSv4: disable isascii, toascii, _toupper, _tolower

[__]isascii need to be defined all the time for the build.

Signed-off-by: Peter S. Mazinger <ps.m@gmx.net>
Signed-off-by: Bernhard Reutner-Fischer <rep.dot.nop@gmail.com>

move __linux__ to libc-internal.h

Signed-off-by: Peter S. Mazinger <ps.m@gmx.net>
Signed-off-by: Bernhard Reutner-Fischer <rep.dot.nop@gmail.com>

assert: make linenumber unsigned

Move attribute_noreturn to header.

Signed-off-by: Peter S. Mazinger <ps.m@gmx.net>
Signed-off-by: Bernhard Reutner-Fischer <rep.dot.nop@gmail.com>

nameser.h: sync with glibc

Signed-off-by: Peter S. Mazinger <ps.m@gmx.net>
Signed-off-by: Bernhard Reutner-Fischer <rep.dot.nop@gmail.com>

inet.h: mark inet_ntoa_r as uClibc specific

Ddisable some prototypes of unimplemented funcs.

Signed-off-by: Peter S. Mazinger <ps.m@gmx.net>
Signed-off-by: Bernhard Reutner-Fischer <rep.dot.nop@gmail.com>

move extend_alloca macro to alloca.h

guard it by _LIBC. __MAX_ALLOCA_CUTOFF is not needed on target either

Signed-off-by: Peter S. Mazinger <ps.m@gmx.net>
Signed-off-by: Bernhard Reutner-Fischer <rep.dot.nop@gmail.com>

a.out.h: why was this needed?

Signed-off-by: Peter S. Mazinger <ps.m@gmx.net>
Signed-off-by: Bernhard Reutner-Fischer <rep.dot.nop@gmail.com>

FORCE_SHAREABLE_TEXT_SEGMENTS requires DOPIC

Signed-off-by: Peter S. Mazinger <ps.m@gmx.net>
Signed-off-by: Bernhard Reutner-Fischer <rep.dot.nop@gmail.com>

remove ARCH_CFLAGS, ARCH_LDFLAGS and CROSS

Signed-off-by: Peter S. Mazinger <ps.m@gmx.net>
Signed-off-by: Bernhard Reutner-Fischer <rep.dot.nop@gmail.com>

remove some unneeded headers on install

Signed-off-by: Peter S. Mazinger <ps.m@gmx.net>
Signed-off-by: Bernhard Reutner-Fischer <rep.dot.nop@gmail.com>

no need for bits/syscalls.h on target

Signed-off-by: Peter S. Mazinger <ps.m@gmx.net>
Signed-off-by: Bernhard Reutner-Fischer <rep.dot.nop@gmail.com>

Add missing order-only prereq for unifdef

For O= make sure that top_builddir/extra/scripts is created
before trying to build unifdef into it.

Signed-off-by: Bernhard Reutner-Fischer <rep.dot.nop@gmail.com>

rm uClibc_arch_features.h on install

uClibc_arch_features.h is included already by libc-symbols.h.
If gcc needs it, fix gcc.

Signed-off-by: Peter S. Mazinger <ps.m@gmx.net>
Signed-off-by: Bernhard Reutner-Fischer <rep.dot.nop@gmail.com>

disable libutil related prototypes if asked to

Signed-off-by: Bernhard Reutner-Fischer <rep.dot.nop@gmail.com>

fix misplaced HAS_LIBUTIL knob

Signed-off-by: Bernhard Reutner-Fischer <rep.dot.nop@gmail.com>

DO_XSI_MATH: add config knob

Signed-off-by: Bernhard Reutner-Fischer <rep.dot.nop@gmail.com>

UCLIBC_HAS_RESOLV_STUB: Rename config symbol

s/UCLIBC_HAS_RESOLV_STUB/UCLIBC_HAS_LIBRESOLV_STUB/
for consistency.

Signed-off-by: Bernhard Reutner-Fischer <rep.dot.nop@gmail.com>

libutil: provide knob to disable it

These tty utility functions are non-standard. They usually
are available on BSD and/or glibc based systems.

Signed-off-by: Bernhard Reutner-Fischer <rep.dot.nop@gmail.com>

libnsl: add knob to disable it

It's a dummy either way.

Signed-off-by: Bernhard Reutner-Fischer <rep.dot.nop@gmail.com>

fixup working in helptexts

and spell out suggested defaults for LDSO_RUNPATH

Signed-off-by: Bernhard Reutner-Fischer <rep.dot.nop@gmail.com>

test: sync up with toplevel buildsys

test/Rules.mak was duplicating too much from the toplevel Rules.mak (which
is included anyway).

Signed-off-by: Bernhard Reutner-Fischer <rep.dot.nop@gmail.com>

.gitignore more testfiles

Signed-off-by: Bernhard Reutner-Fischer <rep.dot.nop@gmail.com>

MAXFLOAT: obsolescent in SUSv4

Signed-off-by: Bernhard Reutner-Fischer <rep.dot.nop@gmail.com>

_Exit(): add weak alias to _exit() for C99

Signed-off-by: Bernhard Reutner-Fischer <rep.dot.nop@gmail.com>

correct documentation

Signed-off-by: Bernhard Reutner-Fischer <rep.dot.nop@gmail.com>

.gitignore: remove unneeded pattern

Signed-off-by: Bernhard Reutner-Fischer <rep.dot.nop@gmail.com>

libm: use int_WRAPPER_C99 macro

Signed-off-by: Bernhard Reutner-Fischer <rep.dot.nop@gmail.com>

ldso: Add missing newlines to some debug messages

Signed-off-by: Bernhard Reutner-Fischer <rep.dot.nop@gmail.com>

Revert "libm: fix C99_MATH on __NO_LONG_DOUBLE_MATH hosts"

This reverts commit 73d6e5c41b61633e22ea74e3aa2df721512dca57.

barking up the wrong tree

Signed-off-by: Bernhard Reutner-Fischer <rep.dot.nop@gmail.com>

libm: fix C99_MATH on __NO_LONG_DOUBLE_MATH hosts

alias l to their normal double counterparts.
Works around problems with libgcc blindly calling __finitel on e.g. ppc32

Signed-off-by: Bernhard Reutner-Fischer <rep.dot.nop@gmail.com>

realpath: SUSv4 compliant

Signed-off-by: Mike Frysinger <vapier@gentoo.org>
Signed-off-by: Bernhard Reutner-Fischer <rep.dot.nop@gmail.com>

silence warning about undefined CPP token

Signed-off-by: Bernhard Reutner-Fischer <rep.dot.nop@gmail.com>

Simplify kconfig wording of thread support

Use a choice for thread support selection.

Signed-off-by: Bernhard Reutner-Fischer <rep.dot.nop@gmail.com>
Signed-off-by: Austin Foxley <austinf@cetoncorp.com>

remove wrong default for choice

Signed-off-by: Bernhard Reutner-Fischer <rep.dot.nop@gmail.com>
Signed-off-by: Austin Foxley <austinf@cetoncorp.com>

support selecting which locales to build

Introduce UCLIBC_BUILD_MINIMAL_LOCALES and if selected
build only those locales.

Based on a patch by Bernhard Reutner-Fischer.

Signed-off-by: Marc Andre Tanner <mat@brain-dump.org>
Signed-off-by: Bernhard Reutner-Fischer <rep.dot.nop@gmail.com>
Signed-off-by: Austin Foxley <austinf@cetoncorp.com>

remember some TODOs for 0.9.31

Signed-off-by: Bernhard Reutner-Fischer <rep.dot.nop@gmail.com>
Signed-off-by: Austin Foxley <austinf@cetoncorp.com>

disable _POSIX_SPAWN define

We don't provide spawn.h let alone any other spawn funcs/types, so don't
set up the _POSIX_SPAWN define that some packages (like vlc) check.

Signed-off-by: Mike Frysinger <vapier@gentoo.org>
Signed-off-by: Austin Foxley <austinf@cetoncorp.com>

build with -fmerge-all-constants

Glibc is already using this flag and it gives us a slight code shrink in
a few functions.

Signed-off-by: Mike Frysinger <vapier@gentoo.org>
Signed-off-by: Austin Foxley <austinf@cetoncorp.com>

test/plt: add a script to find PLT usage

Signed-off-by: Mike Frysinger <vapier@gentoo.org>
Signed-off-by: Austin Foxley <austinf@cetoncorp.com>

libc: add hidden calls to pthread cleanup funcs

A lot of libc code calls the pthread cleanup funcs implicitly (for stdio)
which currently goes through the PLT.  Since we already have forwarding
symbols for these funcs, it's safe to declare the internal libc usage
hidden as a loaded libpthread will have the real symbols found.

Signed-off-by: Mike Frysinger <vapier@gentoo.org>
Signed-off-by: Austin Foxley <austinf@cetoncorp.com>

regex: call memcpy() ourselves

Call the hidden memcpy() ourselves otherwise gcc will emit a call to the
public memcpy() which goes through the PLT.

Signed-off-by: Mike Frysinger <vapier@gentoo.org>
Signed-off-by: Austin Foxley <austinf@cetoncorp.com>

sysctl: avoid inline initialization

Assign each field one by one rather than stack initialization as gcc will
call memset() to zero out the rest of the structure -- which we don't care
about as the field is unused and not seen outside of the libc.

Signed-off-by: Mike Frysinger <vapier@gentoo.org>
Signed-off-by: Austin Foxley <austinf@cetoncorp.com>

inet_ntop4: avoid inline initialization

We only need to set the first byte to 0, but gcc likes to zero out the
rest of the string with memset() when using this initialization style.

Signed-off-by: Mike Frysinger <vapier@gentoo.org>
Signed-off-by: Austin Foxley <austinf@cetoncorp.com>

sparc: use fputs to write to stderr

This also has the advantage of fputs() having a hidden alias while
puts does not.

Signed-off-by: Mike Frysinger <vapier@gentoo.org>
Signed-off-by: Austin Foxley <austinf@cetoncorp.com>

sparc: use HIDDEN_JUMPTARGET for errno

Signed-off-by: Mike Frysinger <vapier@gentoo.org>
Signed-off-by: Austin Foxley <austinf@cetoncorp.com>

make the sem_open changes actually compile

__gen_tempname now needs to not be hidden so libpthread can get at it

Signed-off-by: Austin Foxley <austinf@cetoncorp.com>

Unbreak sem_open when UCLIBC_SUSV3_LEGACY is not defined

sem_open uses mktemp to create temporary file. Reimplement it
using __gen_tmpname, removing ugly while(1) loop. As a side-effect
remove the potential source of EAGAIN errors.

Signed-off-by: Mikhail Gusarov <dottedmag@dottedmag.net>
Signed-off-by: Austin Foxley <austinf@cetoncorp.com>

Extend __gen_tempname with mode argument

sem_open(3) needs to create a temporary file in a way which can't
be efficiently implemented in terms of POSIX API. Extend
__gen_tempname with mode_t mode argument in order to ease
sem_open implementation.

Signed-off-by: Mikhail Gusarov <dottedmag@dottedmag.net>
Signed-off-by: Austin Foxley <austinf@cetoncorp.com>

Rules.mak fix typo (qstrup -> qstrip)

Signed-off-by: Austin Foxley <austinf@cetoncorp.com>

Rules.mak fix typo (qstrup -> qstrip)

Signed-off-by: Austin Foxley <austinf@cetoncorp.com>

Simplify kconfig wording of thread support

Use a choice for thread support selection.

Signed-off-by: Bernhard Reutner-Fischer <rep.dot.nop@gmail.com>

remove wrong default for choice

Signed-off-by: Bernhard Reutner-Fischer <rep.dot.nop@gmail.com>

support selecting which locales to build

Introduce UCLIBC_BUILD_MINIMAL_LOCALES and if selected
build only those locales.

Based on a patch by Bernhard Reutner-Fischer.

Signed-off-by: Marc Andre Tanner <mat@brain-dump.org>
Signed-off-by: Bernhard Reutner-Fischer <rep.dot.nop@gmail.com>

remember some TODOs for 0.9.31

Signed-off-by: Bernhard Reutner-Fischer <rep.dot.nop@gmail.com>

disable _POSIX_SPAWN define

We don't provide spawn.h let alone any other spawn funcs/types, so don't
set up the _POSIX_SPAWN define that some packages (like vlc) check.

Signed-off-by: Mike Frysinger <vapier@gentoo.org>

build with -fmerge-all-constants

Glibc is already using this flag and it gives us a slight code shrink in
a few functions.

Signed-off-by: Mike Frysinger <vapier@gentoo.org>

test/plt: add a script to find PLT usage

Signed-off-by: Mike Frysinger <vapier@gentoo.org>

libc: add hidden calls to pthread cleanup funcs

A lot of libc code calls the pthread cleanup funcs implicitly (for stdio)
which currently goes through the PLT.  Since we already have forwarding
symbols for these funcs, it's safe to declare the internal libc usage
hidden as a loaded libpthread will have the real symbols found.

Signed-off-by: Mike Frysinger <vapier@gentoo.org>

regex: call memcpy() ourselves

Call the hidden memcpy() ourselves otherwise gcc will emit a call to the
public memcpy() which goes through the PLT.

Signed-off-by: Mike Frysinger <vapier@gentoo.org>

sysctl: avoid inline initialization

Assign each field one by one rather than stack initialization as gcc will
call memset() to zero out the rest of the structure -- which we don't care
about as the field is unused and not seen outside of the libc.

Signed-off-by: Mike Frysinger <vapier@gentoo.org>

inet_ntop4: avoid inline initialization

We only need to set the first byte to 0, but gcc likes to zero out the
rest of the string with memset() when using this initialization style.

Signed-off-by: Mike Frysinger <vapier@gentoo.org>

sparc: use fputs to write to stderr

This also has the advantage of fputs() having a hidden alias while
puts does not.

Signed-off-by: Mike Frysinger <vapier@gentoo.org>

sparc: use HIDDEN_JUMPTARGET for errno

Signed-off-by: Mike Frysinger <vapier@gentoo.org>

remove useless .gitignore

Signed-off-by: Austin Foxley <austinf@cetoncorp.com>

remove useless .gitignore

Signed-off-by: Austin Foxley <austinf@cetoncorp.com>

whitespace fixes

Signed-off-by: Austin Foxley <austinf@cetoncorp.com>

uClibc_main: add the needed support for nptl

 * setup memory for the cancellation buffer
 * remove unneeded weak's
 * deallocation of tsd on main thread exit

Signed-off-by: Austin Foxley <austinf@cetoncorp.com>

Config.in: don't attempt to disable lt.old automatically, just have the user get it right

Signed-off-by: Austin Foxley <austinf@cetoncorp.com>

librt additions that are now possible with nptl

 * clock_getcpuclockid, clock_gettime, clock_nanosleep, mq_receive,
   mq_send, mq_timedreceive, mq_timedsend, _SC_MONOTONIC_CLOCK

Signed-off-by: Austin Foxley <austinf@cetoncorp.com>

nptl provides sigaction and raise

Signed-off-by: Austin Foxley <austinf@cetoncorp.com>

cancellation support for a large amount of the required syscalls

Signed-off-by: Austin Foxley <austinf@cetoncorp.com>

use *_not_cancel variants to avoid accidental cancellations with nptl

Signed-off-by: Austin Foxley <austinf@cetoncorp.com>

rework internal uClibc mutexes to support futex locking, and nptl

Signed-off-by: Austin Foxley <austinf@cetoncorp.com>