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These adds the stubs from gettext-tiny 0.0.5
from here:
https://github.com/sabotage-linux/gettext-tiny
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To use it enable UCLIBC_HAS_LIBICONV, then iconv_open/iconv_close
should be available.
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Revert the removal of the weak pthread functions and
guarantee a link order so that single threaded applications
doesn't link in all the pthread functions they don't use.
Signed-off-by: Max Filippov <jcmvbkbc@gmail.com>
Tested-by: Waldemar Brodkorb <wbx@uclibc-ng.org>
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Similar to what was done in commit
9945c6d21797553e78cbef8034f6dd16b3824df5 for posix_madvise().
Signed-off-by: Thomas Petazzoni <thomas.petazzoni@free-electrons.com>
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As __UCLIBC_HAS_GETTEXT_AWARENESS__ is never defined, this is
mostly dead code. It is planned to integrate libiconv-tiny
and gettext-tiny into uClibc-ng after the next release, so
that more software packages can be used without modification.
Remove any _/_N macro usage.
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Remove following warning from common code:
warning: ISO C90 forbids mixed declarations and code
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Originally fixed in GNU libc by:
commit 794c3ad3a405697e2663b00f616e319383b9bb7d
Author: Ulrich Drepper <drepper@gmail.com>
Date: Fri Jan 14 08:06:22 2011 -0500
Reported-by: Denys Vlasenko <vda.linux@googlemail.com>
via busybox mailinglist.
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Fixes mq_send return value and errno issue.
Reported-by: Frank Liu <fliu@universalbiosensors.com>
Tested-by: Frank Liu <fliu@universalbiosensors.com>
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For hardware configurations lacking LLOCK/SCOND (say ARC750),
use a syscall to atomically do the cmpxchg.
This is costly and painful, but really the only way out.
Note that kenrel only guarantees this to work in a UP configuraion
Reported-by: Avinash Patil <avinashp@quantenna.com>
Signed-off-by: Vineet Gupta <vgupta@synopsys.com>
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ARC EX instruction maps directly to this primitive, thus helps elide the
llock/scond based retry loop where possible.
Signed-off-by: Vineet Gupta <vgupta@synopsys.com>
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In gcc 6.x cleanup, the macros got renamed.
(Need to support the old toggle for some more time)
Signed-off-by: Vineet Gupta <vgupta@synopsys.com>
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These functions are used by firefox for example.
Tested with running firefox on x86 system.
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Only static linking is supported for now.
More debugging and analyzing for ld.so, TLS and NPTL
is required. But at least you can bootup a static
root fileystem in Qemu.
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Not perfect, but a starting point.
Some tests of the test suite are failing.
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Signed-off-by: Waldemar Brodkorb <wbx@uclibc-ng.org>
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Change directory back to the parent before processing
the directory (after the contents have already been processed).
Signed-off-by: John Ata <john.ata@baesystems.com>
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Cc: Anton Kolesov <akolesov@synopsys.com>
Cc: linux-snps-arc@lists.infradead.org
Signed-off-by: Vineet Gupta <vgupta@synopsys.com>
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Fixes compilation of uClibc-ng when UCLIBC_HAS_LONG_DOUBLE_MATH is
used.
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The nested libpthread_nonshared.a and libdl.os shouldn't be included
in the static libc.a. Fixes compile issues for static builds.
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Remove powerpc64 bits as we only support powerpc32.
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Enable locale application to be build when utils are
build. Remove useless compile and link warnings.
Default to minimal locale builds.
Signed-off-by: Waldemar Brodkorb <wbx@uclibc-ng.org>
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Similar to musl libc a single libc has many benefits and solves
some open issues with uClibc-ng.
- no pthread_mutex_* weak symbols exported anymore
- applications no longer failing to link when either
-lrt or -lpthread are missing for dynamic and static linking mode
- smaller C library
- slightly better runtime performance
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We do not support 2.4 Linux kernels anyway, and almost
all newer 2.6 kernels should have tgkill syscall.
Cleanup the raise situation, pt-raise.c is unused, sync
raise.c with latest GNU libc.
Signed-off-by: Waldemar Brodkorb <wbx@uclibc-ng.org>
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Add some definitions and fix some types to make gdb compile
happy.
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elf-fdpic.h or elf-dsbt.h is included by link.h. When C++ program
includes <link.h>, we get following build failure.
../usr/include/bits/elf-fdpic.h: In function 'void* __reloc_pointer(void*, const elf32_fdpic_loadmap*)':
../usr/include/bits/elf-fdpic.h:95: error: invalid use of 'void'
void pointer addition and subtraction is not allowed in C++ as it has
undetermined size, however in C with language extension it is possible
because sizeof void is treated as one byte.
Instead of performing subtraction on void pointers, typecast it to char*
first.
This build failure is detected by Buildroot autobuilder.
http://autobuild.buildroot.net/results/a10/a10ed48e6eb8411a3d8372f57c05fd11130da0e0/
Signed-off-by: Rahul Bedarkar <rahul.bedarkar@imgtec.com>
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A single test with targeting ARM showed that this feature
seems bit rotted. Remove DOMULTI and simplify Makefiles.
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The syscall ABI includes the gcc functional calling ABI since a syscall
implies userland caller and kernel callee.
The current gcc ABI (v3) for ARCv2 ISA required 64-bit data be passed in
even-odd register pairs, (potentially punching reg holes when passing such
values as args). This was partly driven by the fact that the double-word
LDD/STD instructions in ARCv2 expect the register alignment and thus gcc
forcing this avoids extra MOV at the cost of a few unused register (which we
have plenty anyways).
This however was rejected as part of upstreaming gcc port to HS. So the new
ABI v4 doesn't enforce the even-odd reg restriction.
Do note that for ARCompact ISA builds v3 and v4 are practically the same in
terms of gcc code generation.
This change is dormant for now (gcc 4.8.x based tools) and will only kick
in with switch to gcc 6.x based tools.
Signed-off-by: Vineet Gupta <vgupta@synopsys.com>
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Fix a regression introduced by commit
0550ecce0e6580c5ad34e9a9a39ff18ccf8774f9
Reported by Buildroot developers.
Embedded test must be extented to ARMv7 thumb2 builds to
find such regressions next time. It wasn't triggered by a
cortex-m4 ARM noMMU build.
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CVE-2016-4429:
The call is technically in a loop, and under certain circumstances
(which are quite difficult to reproduce in a test case), alloca
can be invoked repeatedly during a single call to clntudp_call.
As a result, the available stack space can be exhausted (even
though individual alloca sizes are bounded implicitly by what
can fit into a UDP packet, as a side effect of the earlier
successful send operation).
From GNU libc:
https://sourceware.org/git/gitweb.cgi?p=glibc.git;a=commit;h=bc779a1a5b3035133024b21e2f339fe4219fb11c
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crt1.S needed to use a got relative reference.
Libraries like pthreads define a _init and unless it is GOT, the
linker will fail because it will try to create a dynamic reloc on
.text section, more precisely on __start.
Signed-off-by: Cupertino Miranda <cmiranda@synopsys.com>
Signed-off-by: Alexey Brodkin <abrodkin@synopsys.com>
Cc: Vlad Zakharov <vzakhar@synopsys.com>
Cc: Vineet Gupta <vgupta@synopsys.com>
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This was found by Buildroot autobuilders for m68k.
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This change was inspired by similar change in glibc:
https://sourceware.org/git/?p=glibc.git;a=commit;h=0cb313f7cb0e418b3d56f3a2ac69790522ab825d
Current Linux kernel requires CLONE_VM to be set with CLONE_THREAD
otherwise returning -EINVAL, see man clone2. This means we don't need
to check for both CLONE_THREAD and CLONE_VM instead we may simplify
code a lot and just check 1 bit (CLONE_THREAD).
Signed-off-by: Alexey Brodkin <abrodkin@synopsys.com>
Acked-by: Vineet Gupta <vgupta@synopsys.com>
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For thread group case (CLONE_THREAD), the cached PID of new process/thread
need not be reset. The old logic to decide that was flawed as it would be
true only for exact combination of CLONE_THREAD + _VM, but would fail for
CLONE_THREAD + _VM + _xyz.
More detailed tear-down of current and new code below.
Current implementation is:
--------------------->8--------------------
; r12 contains clone flags
mov_s r2, CLONE_THREAD_N_VM; r2 contains bit mask
and_s r2, r2, r12 ; r2 contains bit mask AND clone flags
; but r12 still contains the same flags
brne r2, r12, .Lgo_thread ; here we compare modified mask with
; flags as they were and skip pthread TID/PID
; setup if r2 != r12 which happens all
; the time except clone flags were
; exactly CLONE_THREAD | CLONE_VM
--------------------->8--------------------
New implementation is:
--------------------->8--------------------
; r12 contains clone flags
mov_s r2, CLONE_THREAD_N_VM; r2 contains bit mask
and_s r12, r12, r2 ; r12 contains clone flags AND bit mask
; i.e. we did mask all flags except
; CLONE_THREAD and CLONE_VM
breq r2, r12, .Lgo_thread ; here we compare masked flags with
; target mask and if they match we skip
; pthread TID/PID setup
--------------------->8--------------------
Signed-off-by: Alexey Brodkin <abrodkin@synopsys.com>
Acked-by: Vineet Gupta <vgupta@synopsys.com>
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Caught by tst-getpid1 test from uClibc's test-suite.
It looks like original implementation was not correct.
The code in question is supposed to recover PID of the new
thread. And by no means that could happen with clone() syscall
while getpid() does exactly this.
Signed-off-by: Alexey Brodkin <abrodkin@synopsys.com>
Acked-by: Vineet Gupta <vgupta@synopsys.com>
Reported-by: Eugeniy Paltsev <paltsev@synopsys.com>
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Reviewed-by: Max Filippov <jcmvbkbc@gmail.com>
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As this is only implemented for a few architecture and not well
tested, just remove it.
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