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To support older Linux kernel f.e. 2.6.32.68 include all
required definitions. Copied from musl libc fanotify.h.
Reported by Thomas Petazzoni from Buildroot project.
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Implementation taken from musl libc project.
Missing functions recognized by buildroot autobuilders
with failing open-vm-tools.
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Add correct compiler settings.
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Commit dfa593d4d881116723a4401b466ea964fb12327b ("syncfs: add system
call support") modified the #if condition around the definition of the
syncfs() prototype in a way that doesn't build, causing build failures
of any file including <unistd.h>:
output/host/usr/powerpc-buildroot-linux-uclibc/sysroot/usr/include/unistd.h:988:14: error: #if with no expression
#if __USE_GNU
Signed-off-by: Thomas Petazzoni <thomas.petazzoni@free-electrons.com>
Reported-by: Xi-Sheng Luo <lxsjason@gmail.com>
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Signed-off-by: Vineet Gupta <vgupta@synopsys.com>
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Commit 2d9740a65a "uclibc: nptl: fix __lll_lock_wait_private multiple definition"
did a sweeping change which did for all in tree arches at that time (ARC
wasn't)
Signed-off-by: Vineet Gupta <vgupta@synopsys.com>
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Signed-off-by: Vineet Gupta <vgupta@synopsys.com>
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Only on Linux alpha __NR_oldumount is defined and a umount not
umount2 syscall, but with two parameter is used.
Add special handling for it and an alias for umount2() users.
There was a discussion about this special handling, but it seems
it was never committed upstream:
http://marc.info/?l=linux-alpha&m=137455037930738&w=2
Runtime tested with qemu-alpha and a statically linked busybox
binary.
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stndup will copy *up to* the size parameter, not allocate a buffer of
that size, so the buffer is not necessarily large enough to fit the
".old" extension.
Caught with glibc's MALLOC_CHECK_=3.
Signed-off-by: Ben Boeckel <mathstuf@gmail.com>
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Add support for FPGA systems from Lattice Semiconductor
http://www.latticesemi.com
Merge https://github.com/m-labs/uclibc-lm32.git
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Fixes following compile error, when UCLIBC_HAS_CONTEXT_FUNCS is enabled
on a mips64 build:
CC libc/sysdeps/linux/common/_exit.os
libc/sysdeps/linux/mips/swapcontext.S: Assembler messages:
libc/sysdeps/linux/mips/swapcontext.S:110: Error: Illegal operands `s.d fs6,(30*8+296)($4)'
libc/sysdeps/linux/mips/swapcontext.S:111: Error: Illegal operands `s.d fs7,(31*8+296)($4)'
libc/sysdeps/linux/mips/swapcontext.S:149: Error: Illegal operands `l.d fs6,(30*8+296)($2)'
libc/sysdeps/linux/mips/swapcontext.S:150: Error: Illegal operands `l.d fs7,(31*8+296)($2)'
Reported-by: Thomas Petazzoni <thomas.petazzoni@free-electrons.com>
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Enable ia64 in the menu.
Fix build for architectures withou ld.so support.
Fix syntax error in bits/byteswap.h.
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Add support for the syncfs() system call.
Signed-off-by: Bartosz Golaszewski <bartekgola@gmail.com>
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Add support for fanotify_init() and fanotify_mark() syscalls. The header
file is taken from glibc.
Signed-off-by: Bartosz Golaszewski <bartekgola@gmail.com>
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For architectures supporting no MMU systems, allow to use
Linuxthreads. BFLAT does not support TLS right now, so NPTL
can not be used.
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Move TLS initialization for static builds up to the calling
function as suggested by Daniel Fahlgren.
Reported-By: Daniel Fahlgren <daniel@fahlgren.se>
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Information about Openrisc:
http://opencores.org/or1k/Main_Page
Integrated from:
https://github.com/openrisc/uClibc-or1k
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Most changes are mechanical replacement of 'retw' instruction with
'abi_ret' macro, defined to 'retw' or 'ret' according to ABI.
Assembly code that makes calls is duplicated for call0 ABI with changed
register numbers for parameters/return value and call instruction.
'entry' instructions are replaced with 'abi_entry' macro.
More interesting changes:
- non-leaf assembly functions (e.g. _dl_tlsdesc_dynamic,
_dl_linux_resolve, SYSCALL_ERROR_HANDLER, PSEUDO) now need to preserve
registers around intermediate calls they make, use temporary stack
frame for that;
- setjmp/longjmp only need to save and restore return address, stack
pointer and callee-saved registers in the jmpbuf;
- __clone and syscall functions had hardcoded offsets to parameter
passed on stack, on call0 ABI they don't need stack frame, so the
offset is different. Replace these offsets with FRAMESIZE macro.
Signed-off-by: Max Filippov <jcmvbkbc@gmail.com>
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posix_fallocate implementation in uClibc relies on fallocate
system call - it just returns what fallocate returns. However
fallocate returns -1 on failure and assigns an error number
to errno variable. In the same time posix_fallocate must
return an error number but not -1.
What does this patch: if fallocate returns -1 then posix_fallocate
returns errno. Otherwise posix_fallocate returns 0 on success.
However there is a side effect - posix_fallocate sets errno on
failure because fallocate does it. But POSIX does not forbid it
thus it's not a problem.
Signed-off-by: Yuriy Kolerov <yuriy.kolerov@synopsys.com>
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For common generic syscall ABI fallocate syscall handler in kernel
expects a 64-bit signed arguments for offset and len. However uClibc
has 2 wrappers for this syscall: fallocate and fallocate64.
On 32-bit machines fallocate (not fallocate64) expects 32-bit values of
offset and len. Thus in this case uClibc's fallocate must pass to the
syscall those values with sign extension. High word of 64-bit value must
be 0 or 0xFFFFFFFF depending on sign of the original 32-bit value (offset
or len). It is how sign extansion works - all high bits of the negative
value must be 1.
So on 32-bit machines uClibc's fallocate does sign extension incorrectly
when 32-bit values are passed (offset or len). It just fills the second
word of 64-bit value by zeros. E.g. fallocate works incorrectly when offset
or length is negative value - in this case kernel thinks that positive
values are passed.
Solution is to call fallocate64 from fallocate and pass 32-bit values of
offset and len to fallocate64. off_t type is automatically converted to
off64_t with an appropriate sign extension. Then fallocate64 invokes
kernel's system call properly.
This error is detected in LTP's test kernel/syscalls/fallocate02:
----------->8----------
fallocate(..., 1, -1024, 1024) failed, expected errno:22: TEST_ERRNO=0
fallocate(..., 1, 1024, -1024) failed, expected errno:22: TEST_ERRNO=0
fallocate(..., 1, 12288, -1024) failed, expected errno:22: TEST_ERRNO=0
fallocate(..., 1, -24576, 1024) failed, expected errno:22: TEST_ERRNO=0
----------->8----------
fallocate does not emit an error because negative values are passed to the
kernel without sign extension and kernel thinks that it got valid positive
values.
Signed-off-by: Yuriy Kolerov <yuriy.kolerov@synopsys.com>
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fallocate system call must return 0 on success. On error, -1 is returned
and errno is set to indicate the error.
However there is an error in fallocate which is fixed by this patch - it
does not set errno and returns invalid value on error (it returns error
code instead of -1).
This error is detected in LTP's test kernel/syscalls/fallocate02:
----------->8----------
fallocate(..., 1, 0, 1024) failed, expected errno:9: TEST_ERRNO=0
fallocate(..., 1, -1024, 1024) failed, expected errno:22: TEST_ERRNO=0
fallocate(..., 1, 1024, -1024) failed, expected errno:22: TEST_ERRNO=0
fallocate(..., 1, 12288, 0) failed, expected errno:22: TEST_ERRNO=0
fallocate(..., 1, 12288, -1024) failed, expected errno:22: TEST_ERRNO=0
fallocate(..., 1, -24576, 1024) failed, expected errno:22: TEST_ERRNO=0
----------->8----------
Signed-off-by: Yuriy Kolerov <yuriy.kolerov@synopsys.com>
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Stack unwinding that happens during NPTL thread cancellation needs
cancellable syscall wrapper functions to be compiled with -fexceptions
-fasynchronous-unwind-tables to be able to unwind to cleanup handlers
registered before syscall invocation.
Add these flags for all cancellable syscall wrappers.
Signed-off-by: Max Filippov <jcmvbkbc@gmail.com>
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This reverts commit d1671548b968103f4df1b80659e60ae1fc5a67b3.
You get following errors while compiling freeswitch:
awgn.c: In function 'awgn_init_dbov': awgn.c:110:5: error: void value not ignored as it ought to be s->rms = pow(10.0, level/20.0)*32768.0;
Reverting this commit allows to build the code.
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Better use /tmp as embedded systems might have a read-only root.
Fix two wrong asserts.
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When debugging a program on ARMv7 with thread-local storage declared using
"__thread", attempting to print a thread-local variable will result in the
following message:
Cannot find thread-local storage for Thread <snip> (LWP <snip>), executable
file /tmp/tls: capability not available
This can be traced back to uclibc libpthread/nptl_db/td_thr_tls_get_addr.c
which gdb uses to look up the address of the TLS. The function returns
TD_NOCAPAB due to a mismatch in size between the DTV pointer and the size
recorded in the db description. The problem lies in libpthread/nptl_db/db_info.c
which initializes the db with the sizeof the union dtv. Instead it should
be the sizeof a pointer to union dtv.
Fixed the initial size for dtvp to sizeof a pointer, instead of sizeof
the union.
Refer to:
http://sourceware.org/ml/libc-alpha/2006-10/msg00088.html
https://sourceware.org/git/?p=glibc.git;a=commitdiff;h=416b630981788c1f08e746e19765aa0e5c2a1360
Signed-off-by: Junling Zheng <zhengjunling@huawei.com>
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Signed-off-by: Romain Naour <romain.naour@openwide.fr>
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Sync with glibc, quietens gcc warnings.
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Simplify the switch from uClibc to uClibc-ng suggested
by Alexey Brodkin <Alexey.Brodkin@synopsys.com>.
Gcc always uses .0 ld.so link, so install it by default.
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This reverts commit f52fb21a7af0aa4e983b3e6c2ddd1b6a526b5169.
Totally wrong patch.
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Simplify the switch from uClibc to uClibc-ng suggested
by Alexey Brodkin <Alexey.Brodkin@synopsys.com>.
Gcc always uses .0 ld.so link, so install it by default.
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See this discussion:
http://lists.busybox.net/pipermail/buildroot/2015-August/137229.html
Should help to fix compile issues with boost for ARC.
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This fixes static compile issues of sudo, because sudo
uses it's own getenv implementation.
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Change __gen_tempname() prototype in order to pass the additional
suffix lenght. In __gen_tempname() add a new check for suffixlen.
Update some comments in the code.
Signed-off-by: Romain Naour <romain.naour@openwide.fr>
Signed-off-by: Waldemar Brodkorb <wbx@uclibc-ng.org>
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This fixes some build problems on f.e. Fedora hosts, when
locales are enabled.
Suggested via #buildroot on Freenode.
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