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Fix iteration over signals, synced with GNU C library code and
pending patches. Issues found when running dhcpcd with hook
scripts. (exit status 127)
Reported-By: kapeka <kapeka@bering-uclibc.de>
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Follow the steps to build c-sky uclibc linux system:
1. git clone https://github.com/c-sky/buildroot.git
2. cd buildroot
3. make qemu_csky_ck810_uclibc_defconfig
4. make
Follow the buildroot/board/qemu/csky/readme.txt to run.
This buildroot toolchain is pre-build, But you can rebuild
the c-sky uclibc-ng alone and install it to the buildroot
sysroot manually.
We'll try our best to improve the uclibc-ng continuously.
Signed-off-by: Guo Ren <ren_guo@c-sky.com>
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Signed-off-by: Stafford Horne <shorne@gmail.com>
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According to standards SVID and SYSV.
Modified lgamma calling in case when 'signgam' variable should not be used.
Signed-off-by: Waldemar Brodkorb <wbx@uclibc-ng.org>
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After discussion on the busybox mailinglist.
Reported-by: Ralf Friedl <Ralf.Friedl@online.de>
Signed-off-by: Waldemar Brodkorb <wbx@uclibc-ng.org>
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As h8/300 architecture does not use deprecated syscalls
after reintroduction into Linux upstream, this part of
the code in vfork.S is always unused.
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The current uclibc-ng use 4 arguments, and this will cause
ltp-testsuite's preadv/pwritev case failed.
The syscall of preadv/pwritev in current linux-kernel is 5 arguments:
linux/fs/read_write.c:
SYSCALL_DEFINE5(preadv, unsigned long, fd, const struct iovec __user *, vec,
unsigned long, vlen, unsigned long, pos_l, unsigned long, pos_h)
SYSCALL_DEFINE5(pwritev, unsigned long, fd, const struct iovec __user *, vec,
unsigned long, vlen, unsigned long, pos_l, unsigned long, pos_h)
So just update to 5-args-syscall, and off_t could be 32bit or 64bit.
Signed-off-by: Guo Ren <ren_guo@c-sky.com>
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An issue has been found with current implementation of signal restorer
function in uClibc and how GDB handles it. When debugger information is not
present, everything worked fine, because GDB would use a built-in logic to
determine if function is a signal restorer. However when debugging information
is present, debugger would rely solely on it and wouldn't use ARC-specific
functions to detect signal handler frames. Because debug information for signal restorer is generated
completely by the compiler, it lacks a marker, that identifies this as a
signal frame that requires special handling. While it is possible to insert
that marker via inline assembly, that still doesn't solve the whole problem,
because some other expectations are not met by the debug information - there
is no "nop" in front of the function, needed to fool debugger into thinking
that this was a function call, and references to previous frame information
need to be described manually. The simplest way to fix the problem is just
to make sure that signal restorer function will not have any debug function
at all, which can be done by writing it in assembly.
Alternative, more complex, solution, where debug information for signal
frame is manually defined can be found in
glibc/sysdeps/unix/sysv/linux/x86_64/sigaction.c [1].
[1] https://sourceware.org/git/?p=glibc.git;a=blob;f=sysdeps/unix/sysv/linux/x86_64/sigaction.c;hb=HEAD
Signed-off-by: Anton Kolesov <Anton.Kolesov@synopsys.com>
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Remove enum __ptrace_flags along with the only constant it contains,
PTRACE_SEIZE_DEVEL, from Linux's sys/ptrace.h files.
Following GNU C library commit:
60e2846e2633a990bdf474004a373bde54c0bc5f
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The function towlower doesn't work with locales different from C.
Issue was introduced in commit: 8cde3a9bf2856dcb9a759dec7ecb04a68e712254
Call to setlocale is needed for correct generation of the table uplow_diff.
Otherwise you receive compile time error "range assumption error" after
uncommenting the call.
Similar problem described here:
http://lists.uclibc.org/pipermail/uclibc/2015-March/048852.html
This commit fix the problem by using int32_t values.
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No NPTL, no LDSO support.
Bootup with Busybox Ash in Qemu working.
Testuite shows only two failures, but mksh continue/break
support doesn't work.
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Sync with GNU C library. Found while trying to compile
linux-rdma to uClibc-ng.
Reported-by: Alexey Brodkin <Alexey.Brodkin@synopsys.com>
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Remove a lot of unused 64 Bit header stuff.
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As reported by Bering-uClibc project uClibc-ng for x86
generates a segfault on SMP machines when trying to run ntpd.
A small test case is here: https://gist.github.com/ddrown
Use a similar nop instruction as for x86_64 in the code.
Signed-off-by: KP.Kirchdoerfer <kapeka@bering-uclibc.de>
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Signed-off-by: Waldemar Brodkorb <wbx@openadk.org>
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cleanup unused and unsupported code.
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Signed-off-by: Waldemar Brodkorb <wbx@openadk.org>
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If you enable these wrappers, be sure you don't need long double
precision on your embedded device, as these only enables
long double warpper functions to the existing double math
functions. Required to build some software as lvm2.
Signed-off-by: Waldemar Brodkorb <wbx@uclibc-ng.org>
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Signed-off-by: Waldemar Brodkorb <wbx@openadk.org>
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Patch fetched from GNU libc mailinglist.
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The new code get's used by MIPS64 N64 and fails.
Make the new code aarch64 specific.
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Signed-off-by: Waldemar Brodkorb <wbx@openadk.org>
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Signed-off-by: mirabilos <m@mirbsd.org>
Signed-off-by: Waldemar Brodkorb <wbx@uclibc-ng.org>
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Ported over from GNU C Library and runtime tested in Qemu.
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implementation
Signed-off-by: mirabilos <m@mirbsd.org>
Signed-off-by: Waldemar Brodkorb <wbx@openadk.org>
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(still same implementation though)
Signed-off-by: mirabilos <m@mirbsd.org>
Signed-off-by: Waldemar Brodkorb <wbx@openadk.org>
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Signed-off-by: mirabilos <m@mirbsd.org>
Signed-off-by: Waldemar Brodkorb <wbx@openadk.org>
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directory (with O=)
For me it was enabling of UCLIBC_SUSV3_LEGACY=y that broke compilation
in separate directory.
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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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Add a similar fix as in 8dd85e041bdccf630c90e12ea044f55d28da9396.
Reported-By: Steven Seeger <steven.seeger@frontier.com>
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Add the wrappers unconditionally, because kmod package
still uses them.
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The syscall wrappers are not required and other C libraries
do not provide them. Busybox modutils.c must be patched so
that syscall() is used for uClibc-ng.
Signed-off-by: Waldemar Brodkorb <wbx@openadk.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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