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Linuxthreads.new isn't really useful with the existence
of NPTL/TLS for well supported architectures. There is no
reason to use LT.new for ARM/MIPS or other architectures
supporting NPTL/TLS. It is not available for noMMU architectures
like Blackfin or FR-V. To simplify the live of the few uClibc-ng
developers, LT.new is removed and LT.old is renamed to LT.
LINUXTHREADS_OLD -> UCLIBC_HAS_LINUXTHREADS
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License notices in most of the source files refer to an outdated
FSF address. Replace it with URL, like in the rest of the source
files.Signed-off-by: Nikola Forró <nforro@redhat.com>
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Currently, the Thumb support on ARM has three related Config.in
options, which are not trivial for users to understand, and are in
fact not needed:
- The USE_BX option is not needed: knowing whether BX is available or
not is easy. If you have an ARM > v4 or ARMv4T, then BX is
available, otherwise it's not. This is the logic used in glibc.
- The USE_LDREXSTREX option is not needed: whenever Thumb2 is
available, ldrex/strex are available, so we can simply rely on
__thumb2__ to determine whether ldrex/strex should be used, without
requiring a Config.in option.
- Once USE_BX and USE_LDREXSTREX are removed, the only thing left
that COMPILE_IN_THUMB does is to set -mthumb. This makes the option
unnecessary, as on ARM at least, the user is already supposed to
pass -march=<foo> or other compiler options tuning the library for
a specific ARM variant. There is no reason to do otherwise for
Thumb, which allows to get rid of the COMPILE_IN_THUMB option.
Signed-off-by: Thomas Petazzoni <thomas.petazzoni@free-electrons.com>
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At least allow to build a toolchain for hppa.
Sync some headers with glibc.
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Some applications needs it.
Signed-off-by: Leonid Lisovskiy <lly.dev@gmail.com>
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Both architectures are more or less deprecated.
No Linux upstream support, no gcc support for uClinux.
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Get rid of NIOS support. We try to support NIOSII.
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No real hardware available. The project for sh64 with sh5 seems
dead since 10 years. Gcc will remove support for it soon.
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Add __LEAF to all __THROW, introduce non-leaf __THROWNL
Adjust affected spots accordingly.
Signed-off-by: Bernhard Reutner-Fischer <rep.dot.nop@gmail.com>
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This reverts commit 6b6ede3d15f04fe825cfa9f697507457e3640344.
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As suggested on the uCLibc mailing list:
http://lists.uclibc.org/pipermail/uclibc/2014-November/048702.html
http://lists.uclibc.org/pipermail/uclibc/2014-November/048703.html
http://lists.uclibc.org/pipermail/uclibc/2014-November/048704.html
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The sparc64/sparcv9 code is incomplete. Furthermore there is
no real embedded hardware for sparc64 available, so better remove
it until someone comes up with a complete port.
Signed-off-by: Waldemar Brodkorb <wbx@openadk.org>
Signed-off-by: Bernhard Reutner-Fischer <rep.dot.nop@gmail.com>
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Signed-off-by: Vineet Gupta <vgupta@synopsys.com>
Signed-off-by: Bernhard Reutner-Fischer <rep.dot.nop@gmail.com>
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to silence warning
Signed-off-by: Bernhard Reutner-Fischer <rep.dot.nop@gmail.com>
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A user application built with -D_POSIX_C_SOURCE=200112L and
#include signal.h, yields following compilation error:
------------------->8-----------------------------
arc-linux-uclibc-gcc -D_POSIX_C_SOURCE=200112L hello.c
In file included from
/opt/INSTALL/lib/gcc/arc-linux-uclibc/4.4.7/../../../../arc-linux-uclibc/sys-include/signal.h:429,
from hello.c:1:
/opt/INSTALL/lib/gcc/arc-linux-uclibc/4.4.7/../../../../arc-linux-uclibc/sys-include/bits/pthreadtypes.h:48:
error: expected specifier-qualifier-list before 'size_t'
------------------->8-----------------------------
The fix is to make sure size_t is explicitly provided to pthreadtype.h
Signed-off-by: Vineet Gupta <vgupta@synopsys.com>
Signed-off-by: Bernhard Reutner-Fischer <rep.dot.nop@gmail.com>
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Signed-off-by: Markos Chandras <markos.chandras@imgtec.com>
Signed-off-by: Bernhard Reutner-Fischer <rep.dot.nop@gmail.com>
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This drops __signed, __volatile, and __const. Only the latter was
used in the code base, and for uClibc, not consistently. Much of
the code used plain "const" which meant "__const" was useless.
Really, the point of this is to stay in sync with what glibc did.
Signed-off-by: Mike Frysinger <vapier@gentoo.org>
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This matches a similar change made to glibc.
No functional changes here.
Signed-off-by: Mike Frysinger <vapier@gentoo.org>
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Replace system calls with atomic instructions for 'compare and swap'
in linuxthreads.old.
Signed-off-by: Chris Zankel <chris@zankel.net>
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pthread_initialize is a static function and should not be mentioned in a
header. The #pragma weak for it appears to confuse gcc-4.7.
Signed-off-by: Bernd Schmidt <bernds@codesourcery.com
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Signed-off-by: Peter S. Mazinger <ps.m@gmx.net>
Signed-off-by: Bernhard Reutner-Fischer <rep.dot.nop@gmail.com>
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Signed-off-by: Peter S. Mazinger <ps.m@gmx.net>
Signed-off-by: Bernhard Reutner-Fischer <rep.dot.nop@gmail.com>
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Use __UCLIBC_HAS_TLS__ instead of USE___THREADS (although this LT implementation
will never support TLS).
Disable unused/unneeded members of the pthread_functions structure.
No redirect/forward for _pthread_cleanup_push/pop, it would have not worked anyway
due to the fact, that the structure member was not initialized. Disable it's possible
internal use in libc-lock.h.
Avoid using internals.h in libc_pthread_init.c (moving a prototype to pthread-functions.h).
Signed-off-by: Peter S. Mazinger <ps.m@gmx.net>
Signed-off-by: Bernhard Reutner-Fischer <rep.dot.nop@gmail.com>
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it is already included by features.h
Signed-off-by: Peter S. Mazinger <ps.m@gmx.net>
Signed-off-by: Bernhard Reutner-Fischer <rep.dot.nop@gmail.com>
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sparc target has assembly implementations of clone.S that doesn't
get used, and thus the build breaks. Also, sparc is missing a header file in
pthreads.old that exists in pthreads.new.
Signed-off-by: Rob Landley <rob@landley.net>
Signed-off-by: Austin Foxley <austinf@cetoncorp.com>
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This adds support for the TI C6X family of processors.
Signed-off-by: Mark Salter <msalter@redhat.com>
Signed-off-by: Aurelien Jacquiot <a-jacquiot@ti.com>
Signed-off-by: Bernd Schmidt <bernds@codesourcery.com>
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Header files needed to build linuxthreads.old for microblaze.
Signed-off-by: Steven J. Magnani <steve@digidescorp.com>
Signed-off-by: Bernhard Reutner-Fischer <rep.dot.nop@gmail.com>
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also sync up not-cancel.h headers between all three thread libraries
Signed-off-by: Austin Foxley <austinf@cetoncorp.com>
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Signed-off-by: Bernhard Reutner-Fischer <rep.dot.nop@gmail.com>
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This reverts commit e0ac4efbdb498319f03a2a95d75d061ab6c68491.
Was causing segfaults on every pthread linked executable
Signed-off-by: Austin Foxley <austinf@cetoncorp.com>
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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>
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The pthread_yield() function in linuxthreads does the same thing as the
standardized sched_yield() function, so add a simple define for it to make
porting GNU apps easier.
Signed-off-by: Mike Frysinger <vapier@gentoo.org>
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This cuts down on a lot of noise from gcc-4.4
Signed-off-by: Ron Lee <ron@debian.org>
Signed-off-by: Mike Frysinger <vapier@gentoo.org>
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M5485 processor
1. Disable mmap2() if we're compiling for coldfire and fall back to mmap().
It seems to map a different file area on a 2.6.25 linux kernel.
2. Uses pc-relative addresing[1], computes ADDR_ALIGN, PAGE_ALIGN
and OFFSET_ALIGN relatively to _dl_pagesize[3].
On coldfire/M5485 _dl_pagesize is 0x2000.
Signed-off-by: Groleo Marius <groleo@gmail.com>
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implemented anyway.
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This patch replaces inline with __inline__ to be more ANSI compatible.
Signed-off-by: Hans-Christian Egtvedt <hans-christian.egtvedt@atmel.com>
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Thank you Chase Douglas for reporting it and for the patch.
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Signed-off-by: Carmelo Amoroso <carmelo.amoroso@st.com>
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Saves several 100 bytes
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