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by 'nslookup www.yahoo.com' and 'nslookup mail.hotmail.com', and thus we
currently return ERANGE when trying to lookup some of the most popular hosts on
the planet. Whether these sites deserve to be popular is a question I'll leave
for someone else to worry about.
This change makes certain we have enough static buffer space to handle about 21
IPv4 IP address replies per DNS query. Far more than enough to handle common
cases such as www.yahoo.com and mail.hotmail.com.
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see http://uclibc.org/lists/uclibc/2005-May/011667.html for details.
Not tested by me but I am sure Peter will :)
The toolchain needs to be rebuilt.
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The old sh system call interface used 0x00 - 0x0f for the trapa value
(number of arguments), whereas the new ABI uses the 0x10 - 0x1f range.
For some reason we were using an off-by-1 trapa immediate which ended up
trashing r1 in the _syscall6() case, so we fix it up..
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This popped up during a build with gcc4:
/home/pmundt/devel/svn/buildroot/build_sh2a_nofpueb/staging_dir/bin/sh2a_nofpueb-linux-uclibc-gcc -Wall -Wstrict-prototypes -Wno-trigraphs -fno-strict-aliasing -fstrict-aliasing -mprefergot -Os -funit-at-a-time -mb -m2a-nofpu -fno-builtin -nostdinc -D_LIBC -I../../../../include -I. -isystem /home/pmundt/devel/svn/buildroot/build_sh2a_nofpueb/staging_dir/lib/gcc/sh2a_nofpueb-linux-uclibc/4.0.0/include -DNDEBUG -I../ -c longjmp.c -o longjmp.o
/tmp/ccWyQbux.s: Assembler messages:
/tmp/ccWyQbux.s:45: Error: Local symbol `__sigprocmask' can't be equated to undefined symbol `sigprocmask'
make[5]: *** [longjmp.o] Error 1
make[5]: Leaving directory `/home/pmundt/devel/svn/buildroot/toolchain_build_sh2a_nofpueb/uClibc/libc/sysdeps/linux/sh'
Stupid gcc.
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This fix, based on this patch
http://bugs.uclibc.org/view.php?id=104
makes it so uClibc fills out round robin dns lists for
applications such as nslookup:
Before:
$ nslookup google.com
Server: mace.codepoet.org
Address: 10.10.10.1
Name: google.com
Address: 216.239.39.99
After:
$ nslookup google.com
Server: mace.codepoet.org
Address: 10.10.10.1
Name: google.com
Addresses: 216.239.57.99, 216.239.37.99, 216.239.39.99
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the already existing clock_gettime(). In addition they will now use
the corresponding system calls if they exists, which resulted in a
move to libc/sysdeps/linux/common for clock_gettime.c (it was
previously located in libc/misc/time).
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it alphabetized (which was not fully successful) made adding a new
file a mess. Replaced it with a call to the make function $(wildcard).
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syscalls. This won't work on 2.2 kernels(I think).
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uClibc's mkstemp/mktemp tries to read /dev/urandom (or /dev/random) to
generate random contents for the .XXXXXX part of its argument. In a
chrooted environment /dev/[u]random might not be available. Thus the
mkstemp call fails.
Add back in the braindamaged gettimeofday/getpid code, but only as a
fallback for when reading /dev/[u]random fail for whatever reasons.
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Add back in the code which sets the default facility if none specified. This
may cause issues with klogd when it tries to use the libc's syslog(), but
klogd comes with its own syslog() implementation so that's a none issue. For
more info, please see the following:
http://sources.redhat.com/ml/libc-alpha/2000-03/msg00059.html
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annoying warnings.
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To actually use it, one must define _DL_DO_FINI_IN_LIBC globally.
That will also break ABI for apps linked with previous version of crtX.S.
They must be relinked with this version to work again.
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To actually use it, one must define _DL_DO_FINI_IN_LIBC globally.
That will also break ABI for apps linked with previous version of crtX.S.
They must be relinked with this version to work again.
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#define _DL_DO_FINI_IN_LIBC to enable(the arch specific part needs to be in place first).
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it myself at least a year and a half ago.
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d1mag writes:
Compilation of _fpmaxtostr.c generate an internal error by m68k-elf-gcc, and
this patch has been used in uClinux-dist to fix it.
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waste of time that was :D)
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without lvalue in asm". Give the asm an lvalue so it can be happy.
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define was no longer visible to vasprintf. I didn't catch this since I no
longer use such old tools. Unfortunately, some well-meaning but misguided
individual decided to just cut-and-paste the macro. :-(
Try to clean up the situation by putting it into a header that can be overriden
by any archs that need to. If this breaks for anyone (as I said, I no longer
use such old tools and so haven't tested), let me know and I'll fix it.
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priority if successful, while the linux syscall returns 0. Also, in
the non-syscall version, we must be sure to set errno to EPERM on failure
since setpriority() can set errno to several possible values.
Note: The version of glibc on my debian system is broken wrt EPERM too.
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umount() actually works :)
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... so dont try using socketcall() unless the system call exists
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push the frame pointer when DO_DEBUG is enabled (and thus incorrect
argc, argv and envp will be passed to the program).
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makes no sense).
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