Age | Commit message (Collapse) | Author |
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Signed-off-by: Waldemar Brodkorb <wbx@openadk.org>
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For the linux kernel (since 2.6.12) MAKE_THREAD_CPUCLOCK
macro-like computation should be used to get clockid.
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cleanup unused and unsupported code.
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As reported by Buildroot developers these files causing static
linking issues. The original contribution with the ARM unwind-resume
rework and GNU libc sync was made before the combined libc change.
But the patch was applied later, after the libc change and
it seems the test coverage for static linking didn't catch it in
the regression testing. Remove the files.
Signed-off-by: Waldemar Brodkorb <wbx@openadk.org>
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Ported over from GNU C Library and runtime tested in Qemu.
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Follow GNU C Library from c579f48edba88380635ab98cb612030e3ed8691e
and remove the PID caching. These simplifies the architecture specific
assembly code.
The run of the test suite found no regressions, it even solves
some of the test failures for x86/x86_64/sparc.
Reviewed-by: Max Filippov <jcmvbkbc@gmail.com>
Reviewed-by: Vineet Gupta <Vineet.Gupta1@synopsys.com>
Acked-by: Matthew Fortune <Matthew.Fortune@imgtec.com>
Acked-by: Alexey Brodkin <Alexey.Brodkin@synopsys.com>
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This commit includes following features.
1. Support NPTL/TLS
2. Add libm function which is used to handle FP rounding and excpetions
(ex: fclrexcpt,fedisblxcpti,feenablxcpt... )
3. Add *context function for operating user context
(ex: setcontext,getcontext,makecontext... )
4. Change the return flow from signal handler
5. Cleanup of old code
The testsuite only has 2 errors, tst-cpuclock1 and tst-cputimer1,
which are related to timing accuracy. (math and locale tests are disabled)
Signed-off-by: Vincent Ren-Wei Chen <vincentc@andestech.com>
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We do not support symbol versioning, so remove these weak aliases.
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uClibc-ng 1.0.20 fixed static linking with "libdl" by adding all libdl functions
into the libc. On xtensa, though, libdl contains an unresolved reference that is
satisfied by the ld.so - which is not a part of the linking in a static case.
Signed-off-by: Alexey Neyman <stilor@att.net>
Acked-by: Max Filippov <jcmvbkbc@gmail.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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Since librt and libpthread are now integrated into libc, including
unwind-resume and unwind-forcedunwind implementations of unwind code
makes no sense. Only unwind-forcedunwind is now included with
functions hidden to avoid them overriding the ones from libgcc_s.
* libpthread/nptl/sysdeps/generic/unwind-resume.h: New. Define
generic PERSONALITY_PROTO and PERSONALITY_ARGS and set
HAVE_ARCH_UNWIND_RESUME to 0.
* libpthread/nptl/sysdeps/pthread/unwind-resume.c: Move...
* libpthread/nptl/sysdeps/generic/unwind-resume.c: ... here. Include
generic implementation of _Unwind_Resume on the condition that
!HAVE_ARCH_UNWIND_RESUME. Make functions hidden to prevent them
from overriding libgcc_s's ones.
* libpthread/nptl/sysdeps/pthread/unwind-forcedunwind.c: Likewise.
* libpthread/nptl/sysdeps/arm/unwind-resume.h: New. Define
ARM-specific PERSONALITY_PROTO and PERSONALITY_ARGS and set
HAVE_ARCH_UNWIND_RESUME to 1.
* libpthread/nptl/sysdeps/arm/arm-unwind-resume.c,
* libpthread/nptl/sysdeps/arm/pt-arm-unwind-resume.c,
* libpthread/nptl/sysdeps/arm/rt-arm-unwind-resume.c: New.
ARM-specific implementations of _Unwind_Resume resp. for libc,
libpthread and librt.
* libpthread/nptl/sysdeps/Makefile.commonarch: Remove both
arm-unwind-resume and rt-arm-unwind-resume from
libpthread_arch_CSRC.
* libpthread/nptl/sysdeps/unix/sysv/linux/arm/unwind-forcedunwind.c,
* libpthread/nptl/sysdeps/unix/sysv/linux/arm/unwind-resume.c: Remove.
Signed-off-by: Ignacy Gawędzki <ignacy.gawedzki@green-communications.fr>
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This reverts commit c13f823941b103cf744929e5afcb3e2bc1342354.
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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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There was a deadlock hanging in a sycall to futex,
which should be solved now.
Signed-off-by: Waldemar Brodkorb <wbx@uclibc-ng.org>
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Despite the prev fix, tst-mqueue3 was still segfaulting.
The issue was BLINK register not restored properly for return
00002690 <mq_timedsend>:
2690: sub r9,r25,0x448
2698: ld r10,[r9]
269c: cmp r10,0
26a0: beq -36
26a4: st.aw blink,[sp,-4]
26a8: st.aw r0,[sp,-4]
26ac: st.aw r1,[sp,-4]
26b0: st.aw r2,[sp,-4]
26b4: st.aw r3,[sp,-4]
26b8: st.aw r4,[sp,-4]
26bc: bl 1e28 <__librt_enable_asynccancel>
26c0: mov r9,r0
26c4: ld.ab r4,[sp,4]
26c8: ld.ab r3,[sp,4]
26cc: ld.ab r2,[sp,4]
26d0: ld.ab r1,[sp,4]
26d4: ld.ab r0,[sp,4]
26d8: ld.ab blink,[sp, 4] <---- function return BLINK
26dc: mov r8,182
26e0: trap_s 0
26e2: cmp r0,-1024
26e6: st.aw r0,[sp,-4]
26ea: mov r0,r9
26ee: bl 1e90 <__librt_disable_asynccancel> <-- BLINK clobbered
to next PC
26f2: ld.ab r0,[sp,4] <----| loops here until sp is out of bound
26fa: cmp r0,-1024 |
26fe: jls [blink] -----|
2702: b 15d8
2706: nop_s
So the fix was to retain BLINK on stack before function call, and pop it
later
- 26d8: ld.ab blink,[sp, 4]
+ 26d8: ld blink,[sp] <--- restore BLINK, but retain on stack
26dc: mov r8,182
26e0: trap_s 0
26e2: cmp r0,-1024
26e6: st.aw r0,[sp,-4]
26ea: mov r0,r9
26ee: bl 1e90 <__librt_disable_asynccancel>
26f2: ld.ab r0,[sp,4]
+ 26f6: ld.ab blink,[sp,4] <--- finally pop BLINK
26fa: cmp r0,-1024
26fe: jls [blink]
Reported-by: Eugeniy Paltsev <paltsev@synopsys.com>
Cc: Alexey Brodkin <abrodkin@synopsys.com>
Signed-off-by: Vineet Gupta <vgupta@synopsys.com>
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This was reported as uClibc test suite failures of tst-mqueue3 and
tst-mqueue5.
The syscall args were getting clobbered, so use scratch regs which are
not used for syscall args
00002690 <mq_timedsend>:
; SINGLE_THREAD_P
2690: sub r1,r25,0x448 <--- clobers r1, r2
2698: ld r2,[r1]
269c: cmp r2,0
26a0: bz mq_timedsend_nocancel
; DOCARGS (saves syscall args but r1, r2 clobbered already)
26a4: st.aw blink,[sp,-4]
26a8: st.aw r0,[sp,-4]
26ac: st.aw r1,[sp,-4]
26b0: st.aw r2,[sp,-4]
26b4: st.aw r3,[sp,-4]
26b8: st.aw r4,[sp,-4]
26bc: bl 1e28 <__librt_enable_asynccancel>
Reported-by: Eugeniy Paltsev <paltsev@synopsys.com>
Cc: Alexey Brodkin <abrodkin@synopsys.com>
Signed-off-by: Vineet Gupta <vgupta@synopsys.com>
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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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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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The code was disabled a while ago in commit:
814b0901f460a246315bfa7933a661f415bdc7fa
Signed-off-by: Waldemar Brodkorb <wbx@uclibc-ng.org>
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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.
Reviewed-by: Max Filippov <jcmvbkbc@gmail.com>
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Add test case for the deadlock detection.
Reported-By: Martin Willi <martin@strongswan.org>
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Simplify the switch from uClibc to uClibc-ng.
Apps already built against uClibc-0.9.x.y require .so.0
libs to present on target which in case of current uClibc-ng is
not the case and those apps could not be run.
This change creates symlinks from .so.1 to .so.0 for
most of other libs in the same way as it was done by
23e96d89b6ab "ldso: install backward compatibility symlink by default"
Signed-off-by: Alexey Brodkin <abrodkin@synopsys.com>
Cc: Waldemar Brodkorb <wbx@uclibc-ng.org>
Cc: Vineet Gupta <vgupta@synopsys.com>
Cc: Anton Kolesov <akolesov@synopsys.com>
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Simplify and use generic lowlevellock.
Tested-by: Waldemar Brodkorb <wbx@uclibc-ng.org>
Signed-off-by: Leonid Lisovskiy <lly.dev@gmail.com>
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Simplify and use generic lowlevellock.
Tested-by: Waldemar Brodkorb <wbx@uclibc-ng.org>
Signed-off-by: Leonid Lisovskiy <lly.dev@gmail.com>
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Simplify and use generic lowlevellock.
Tested-by: Waldemar Brodkorb <wbx@uclibc-ng.org>
Signed-off-by: Leonid Lisovskiy <lly.dev@gmail.com>
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lowlevellock.c for arm differs from the generic lowlevellock.c only in
insignificant ways, so can be removed. Follow glibc commit 6d96f5e4c0
Solves __lll_timedlock_wait busy-wait issues described at
http://sourceware.org/bugzilla/show_bug.cgi?id=15119
Signed-off-by: Leonid Lisovskiy <lly.dev@gmail.com>
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Sync pthread_spin_lock/pthread_spin_trylock with GNU libc as it avoids
any usage of deprecated SWP instruction. This allows to build uClibc-ng
for ARMv8 Cortex-A53 CPU in 32 Bit mode.
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Commit 9c4fce55a (nptl: remove sigaction, sigprocmask, and sigfillset from
libpthread) removed pt-sigaction.c from the build to fix static build.
However, since the libc sigaction is weak when HAS_THREADS is enabled, static
build is not be affected. Tested for xtensa, x86, MIPS32 targets.
Fixes nptl/tst-signal7.
Moreover, commit 9193a76bb from the 0.9.33 branch has the right version.
Ref.: http://patchwork.ozlabs.org/patch/286084/
Signed-off-by: Baruch Siach <baruch@tkos.co.il>
Signed-off-by: Leonid Lisovskiy <lly.dev@gmail.com>
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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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fix infinite recursion on application exit triggered by linking
libc before libpthread.
Patch from OpenWrt.
Reported-by: Leonid Lisovskiy <lly.dev@gmail.com>
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Trivial fix.
Signed-Off-By: Leonid Lisovskiy <lly.dev@gmail.com>
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Use the arch specific thread stack size for nptl if the size
returned by getrlimits exceeds it - fixes threads on systems
with only 16 MB RAM.
Patch from OpenWRT
Reported-by: Leonid Lisovskiy <lly.dev@gmail.com>
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Idea from different projects as OpenWrt and others.
https://lists.openwrt.org/pipermail/openwrt-devel/2013-November/022299.html
https://github.com/wl500g/toolchain/blob/master/toolchain/uClibc/patches/0.9.32/980-stack-cache-maxsize.patch
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Signed-off-by: Khem Raj <raj.khem@gmail.com>
Signed-off-by: Waldemar Brodkorb <wbx@uclibc-ng.org>
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It's even no longer required for non-ported ppc64
architecture. Sync with GNU C library.
This simplify the macros in include/libc-symbols.h.
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