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[peter.kjellerstedt@axis.com]
Peter Kellerstedt writes:
May I suggest the attached patch instead?
It handles PICFLAG the same way as it was already done
for other architectures (e.g., CRIS and frv).
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However RTLD_LOCAL still doesn't work. Everything is RTLD_GLOBAL.
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PPC32, SPARC32/64 and S390 includes the PLT in its RELA size. This caused ldso
to always do unlazy relocation of the JMPRELs. This patch fixes it.
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This patch makes -fpic work for PCC and optimzes the relcation by moving the cache
flushing stuff to JMP relocs only. Actually PPCs ldso can only handle small
GOT tables(<=8192 entries)anyhow, so it makes little sense to compile PPC with -fPIC.
libuClibc shrunk from 340724 to 330780 bytes with -fpic.
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not the hard coded value of 4096.
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Some utilities, such as valgrind, have a legitimate reason to know the address
of the current brk. Since we know such utils will peek under our skirt, we
might as well give them what they expect and not use a gratuitously different
symbol name.
-Erik
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others.
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rather than _dl_malloc, fprintf rather than _dl_printf, etc.
-Erik
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running on uClinux, which at runtime uses the FLAT file format.
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are being used
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-Erik
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won't be needed for 3.3.4 either when I get some time to clean up that
toolchain which also suffers from the g++ include dir search order bug.
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Hi Erik,
I'm not sure why the NIOS support is not in uClibc -- perhaps the patch
was rejected or never submitted? In any case, I'm playing with some NIOS
stuff and created this patch against 0.9.26. The work was done by
Microtronix. I'm not sure who else contributed to it. It would be great
to have the NIOS support available in uClibc so developers don't have to
go searching for these bits.
Pete
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actually match reality. In particular, _SC_GETPW_R_SIZE_MAX and
_SC_GETGR_R_SIZE_MAX were causing us problems with programs such
as libglib, since they were always returning -1, which is a bit
smaller than the actual passwd and group max buffer sizes.
-Erik
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instead, but we are not such a system and should not propagate such things.
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instead, but we are not such a system and should not propagate such things.
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Only use MAP_SHARED when mmu-less.
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This is a patch for uClibc/libc/sysdeps/linux/mips/sys/procfs.h pulled
from glibc CVS.
This fixes gdb with threaded application (with glibc environment).
Although debugging threaded programs seems not working on uClibc/mips
yet, this patch will be required when it becomes working.
This patch can be applied to any version of uClibc (including current
CVS).
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Hello,
the attached patch should bring extra/config in line
with the Linux 2.6.7 sources.
The following are the commit messages for the respective
files from the Linux bk-repository:
checklist.c:
* fix menuconfig choice item help display
confdata.c:
* config: choice fix
* kconfig: don't rename target dir when saving config
expr.c, expr.h:
* config: disable debug prints
mconf.c:
* fix menuconfig choice item help display
menu.c:
* Kconfig: use select statements
symbol.c:
* config: choice fix
* Avoid bogus warning about recursive dependencies
* c99 struct initialiser conversions
textbox.c:
* janitor: don't init statics to 0
util.c:
* fix lxdialog behaviour
//Peter
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tree. Bad boy, No doughnut.
-Erik
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aligned pointer that may be aligned up to page_size. Also add _dl_free,
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Hi yet again :)
in dl-startup.c when performing boot strap relocation the following test
exists to make sure that only "_dl_" symbols are relocated:
/* We only do a partial dynamic linking right now. The user
is not supposed to define any symbols that start with a
'_dl', so we can do this with confidence. */
if (!symname || !_dl_symbol(symname)) {
continue;
}
However on PPC(and the other archs as well I suspect) all symbols are
"_dl_" symbols so the test is never true. The test can be removed and the
whole loop simplified(smaller). This also makes it possible to
simplify elfinterp.c
This remove the scanning of ldso.so relocs, making relocation faster.
I have tested this on PPC and it works well.
Do you think this optimization will work for the other arches as well?
I can't see why not.
Jocke
* Tested on x86, arm, mipsel, and powerpc by Erik and works nicely
-Erik
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only occur when shared libs are not compiled with -fPIC
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shared libraries with -fPIC
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Make old weak symbol handling work, if someone wants to
enable it.
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Since MIPS don't have COPY relocs it seems apropiate to define
DL_NO_COPY_RELOCS. This will optimize dl_find_hash somewhat.
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Glibc does not use COPY class for SHN_COMMOM in MIPS. Make uClibc ldso
the same.
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dl-string.h references do_rem, but do_rem is a #define in <arch>/dl-sysdep.h
which is not included by dl-sysdep.h. This causes a problem in libdl:
In file included from ../../ldso/include/ldso.h:27, from libdl.c:33:
../../ldso/include/dl-string.h: In function `_dl_simple_ltoa':
../../ldso/include/dl-string.h:216: warning: implicit declaration of
function `do_rem'
Include dl-sysdep.h in dl-string.h before using do_rem.
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Rather than copy more code back into the bridge-utilities, how about applying this
change to uClibc? I hate when packages get cluttered for workarounds for other
incompatibilities.
The problem is that SIOCGIFCONF only lists interfaces that have IP addresses, so it
doesn't find the other interfaces that are being used for bridging. It could be fixed
in the kernel to return all interfaces, but then something else might break; and still
it mean a kernel update for the 2.4 users.
The whole use of ifindex in the bridge API is a bad idea. But we probably have to live
with it for compatibility.
Patch against uClibc 0.9.26
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