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This reverts commit b00fd230ed0b49b9f23d829ad5d09859f34bb754.
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Ref the implement from the glibc and high=0 seems so bad.
Signed-off-by: Guo Ren <ren_guo@c-sky.com>
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In ltp testcase sendfile08.c, it use offset=NULL to test the api.
See "man sendfile" and it really support offset is NULL.
Signed-off-by: Guo Ren <ren_guo@c-sky.com>
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Those definitions exist on all other architectures, but were not
present in or1k specific headers when or1k support was merged.
On the kernel side, their support is completely architecture
independent, so we just need those definitions to make those fcntl()
calls available on or1k.
Signed-off-by: Thomas Petazzoni <thomas.petazzoni@bootlin.com>
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Otherwise it breaks mips64 n64.
Should be used for aarch64/tilegx only.
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Sync clone()/vfork() with GNU C Library.
Allow CFI and fix strsignal() / tcsetattr().
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Signed-off-by: Guo Ren <ren_guo@c-sky.com>
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This adds basic support for tile architecture.
Only static binaries, no ld.so or threading support.
Tested with qemu-tilegx only.
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From glibc commit 9aa5c222b9e0409143410a02b6364a3b25dbf028
[BZ #22919]
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Newer iproute2 package make use of some of defines.
Sync missing defines with GNU C library.
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... so don't declare it. Otherwise, eudev finds it declared and tries
to link with it - and fails.
Signed-off-by: Alexey Neyman <stilor@att.net>
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Signed-off-by: Guo Ren <ren_guo@c-sky.com>
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Sync with GNU C library and consolidate duplicate non
architecture specific defines.
MAP_UNINITIALIZED is only defined to 0x4000000 and used by
the Linux kernel when CONFIG_MMAP_ALLOW_UNINITIALIZED is enabled.
CONFIG_MMAP_ALLOW_UNINITIALIZED is only available for nommu.
See Documentation/nommu-mmap.txt.
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OpenBSD arc4random is using chacha20 cipher algorithm for
a long time. This copy is still based on deprecated rc4
cipher algorithm. We could either update the arc4random.c
or drop it. Drop it. Users should better use libbsd when
using arc4random interface. Musl/glibc does not have arc4random
either.
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Fixes a buildroot build error with ffmpeg
In file included from /home/bernd/buildroot/output/host/aarch64-buildroot-linux-uclibc/sysroot/usr/include/signal.h:329:0,
from fftools/ffmpeg.h:26,
from fftools/ffmpeg_opt.c:23:
/home/bernd/buildroot/output/host/aarch64-buildroot-linux-uclibc/sysroot/usr/include/sys/ucontext.h:52:16:
error: field 'uc_mcontext' has incomplete type
mcontext_t uc_mcontext;
^~~~~~~~~~~
using this defconfig:
BR2_aarch64=y
BR2_PACKAGE_FFMPEG=y
sys/ucontext.h for other archs already include bits/sigcontext.h,
on aarch64 this is needed as well.
Signed-off-by: Bernd Kuhls <bernd.kuhls@t-online.de>
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The fallback code is not used as all supported kernels have the
syscall. Check if a absolute path is returned from syscall.
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Loops with 'loop forever' annotation inside strcmp are actually meant to
loop forever. Falling through the end of the first loop may result in
equal strings being compared unequal, e.g.:
#include <string.h>
int main(void)
{
char a[4096] __attribute__((aligned(4)));
char b[4096] __attribute__((aligned(4)));
memset(a, ' ', 258 * 8);
memset(b, ' ', 258 * 8);
a[255 * 8] = 0;
a[256 * 8] = 'a';
b[255 * 8] = 0;
b[256 * 8] = 'b';
return !(strcmp(a, b) == 0);
}
Falling through the end of the second loop may result in unequal strings
being compared as equal, e.g.:
#include <string.h>
int main(void)
{
char a[4096] __attribute__((aligned(4)));
char b[4096] __attribute__((aligned(4)));
memset(a, ' ', 514 * 6);
memset(b, ' ', 514 * 6);
a[514 * 6 + 0] = 'a';
a[514 * 6 + 1] = 0;
b[514 * 6 + 0] = 'b';
b[514 * 6 + 1] = 0;
return !(strcmp(a, b) != 0);
}
Use 0 as a loop counter to make 2^32 - 1 iterations which is enough to
cover all addressable memory. While at it drop useless nop at the end of
the first loop and use a11 for all loop counters.
Signed-off-by: Max Filippov <jcmvbkbc@gmail.com>
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It seems there is no real dependency to NPTL for these clock_*
functions when UCLIBC_ADVANCED_REALTIME is enabled.
No regressions found.
Reported-by: Baruch Siach <baruch@tkos.co.il>
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This is to fix an error after switching to use generic syscalls.
libc/sysdeps/linux/common/syscall.c: In function 'syscall':
libc/sysdeps/linux/common/syscall.c:27:2: warning: implicit
declaration of function 'internal_syscall_ncs6'
[-Wimplicit-function-declaration]
return INLINE_SYSCALL_NCS(sysnum, 6, arg1, arg2, arg3, arg4, arg5,
arg6);
^
Defining these functions as described by Vincent Ren-Wei Chen
<vincentc@andestech.com>
Signed-off-by: Stafford Horne <shorne@gmail.com>
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Traditionally nds32 has had a generic syscall implementation supporting
varargs.
During an audit it was found that this implementation seems to duplicate
the new common implementation and is no longer needed.
Signed-off-by: Stafford Horne <shorne@gmail.com>
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Now that the common syscall implementation supports vararg calling
conventions we can safely use it on OpenRISC.
This saves a bit of code in the openrisc implementation.
Signed-off-by: Stafford Horne <shorne@gmail.com>
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The definition of syscall() in unistd.h is with varargs. Traditionally
the common implementation in uclibc has been with regular arguments.
This patch updates that by using varargs.
This has caused issues on architectures like or1k which have different
calling conventions for varargs and regular arg parameters.
The implementation here is based on an implementation from Joel Stanley
<joel@jms.id.au>. There is a difference that I do not initialize the
stack args with 0 as they are immediately overwritten by va_args.
Signed-off-by: Stafford Horne <shorne@gmail.com>
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Use __NR_sync_file_range2 for csky sync_file_range function.
Signed-off-by: Guo Ren <ren_guo@c-sky.com>
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Port over NPTL/TLS support from GNU C Library.
In the first step only the slower syscall is used for TLS
access. The uClibc-ng testsuite shows 79 errors, so their
is room for bugfixes and improvements.
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Signed-off-by: Guo Ren <ren_guo@c-sky.com>
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Busybox internally calls syscall(2).
- in unistd.h defined something like
int syscall(nr, ....)
- in syscall.c (common) implemented as
int syscall(nr, arg1, arg3, arg3, arg4, arg5, arg6)
This will not work, busybox thinks syscall should have varargs calling
conventions. But it doesnt in the uclibc implementation so no args go through.
Most architectures this will work. But on openrisc varargs are all sent on the
stack. Regular args are passed in registers.
Commit message and idea from Stafford Horne <shorne@gmail.com>.
Signed-off-by: Joel Stanley <joel@jms.id.au>
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Add missing member in struct statfs.
It is used by xfsprogs (f.e. 4.13.1).
Reported-by: Joshua Kinard <kumba@gentoo.org>
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Previously we saved everything, but we only need to save the registers
that are promised to be untouched by the setjmp call.
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Follow-up of e3d6c8bffe79b2c070bc7a3aabc9d9c65f6b099e
Signed-off-by: Eugene Rudoy <gene.devel@gmail.com>
Signed-off-by: Ralf Friedl <Ralf.Friedl@online.de>
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It is supported both in the sense of being contained in mips version
of statfs/statfs64 structs and also in the sense that it's filled by
the corresponding kernel syscalls.
It is UNsupported in that sense that it's value is the same as that
of f_bsize (at least on older kernel versions, the oldest version
tested is 2.6.13), s. [1] and [2] for details ([1] is the latest
kernel version as of now, [2] is the oldest kernel version git
history is available for).
[1] https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux-stable.git/tree/fs/statfs.c?h=v4.14-rc7#n64
[2] https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux-stable.git/tree/fs/open.c?h=v2.6.12-rc2#n41
Follow-up of 68de9946e914d8c30dcc6667a059ea59e5b74cac
Signed-off-by: Eugene Rudoy <gene.devel@gmail.com>
Signed-off-by: Ralf Friedl <Ralf.Friedl@online.de>
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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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After discussions 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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sysconf creates a lot of code dependencies.
getpagesize dosen't.
staticly linked code that calls malloc is now much smaller.
Signed-off-by: Waldemar Brodkorb <wbx@uclibc-ng.org>
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