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Hello Erik!
I have made some cosmetical changes to the files, removed the added
SCRT=-fPIC option from building the crt0.S file (but it is a requirement
to build them with -fPIC), and changed some comments. I have left the
ldso.c patch with PIE_SUPPORT ifdefs, but consider applying it w/o them
(see some earlier comment from PaX Team on this issue, as it is considered
a bug). To have it work correctly, you'll also need removing
COMPLETELY_PIC.
One thing is missing: PIE_SUPPORT should be usable only for i386 (for
now).
Also added the support for propolice protection (that works for me and
catches memcpy/strcpy attacks (but needs a special gcc version).
Thanks, Peter
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Lea. It is about 2x faster than the old malloc-930716, and behave itself much
better -- it will properly release memory back to the system, and it uses a
combination of brk() for small allocations and mmap() for larger allocations.
-Erik
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256 is fine of course, but many applications use this value
and expect it to be larger.
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Hello!
The latest changes document ldd in RUNTIME_PREFIX/bin, but it is installed
in RUNTIME_PREFIX/usr/bin
Peter
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which should simplify enabling arbitrary architectures.
-Erik
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Remove the ADD_LIBGCC_FUNCTIONS option and do things the right way.
Either we have a shared libgcc available, or the libgcc routines
aren't PIC and don't belong in the shared libc anyway.
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appears to be wrong with their toolchain that is tickled
by LFS.
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static build sizes and not needing wchar support.
Add in a SUSv3 getopt as an option for those not needing gnu getopt.
Again, mainly for the static linking crowd.
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top level config menu.
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SYSTEM_DEVEL_PREFIX says: "This defaults to $(DEVEL_PREFIX)/usr", but it
actually defaults to just "($DEVEL_PREFIX)".
Just thought I'd mention it... :)
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want glibc style malloc(0) behavior
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Should be standards compliant and with several optional features,
including support for hexadecimal float notation, locale awareness,
glibc-like locale-specific digit grouping with the `'' flag, and
positional arg support. I tested it pretty well (finding several
bugs in glibc's scanf in the process), but it is brand new so be
aware.
The *wprintf functions now support floating point output. Also, a
couple of bugs were squashed. Finally, %a/%A conversions are
now implemented.
Implement the glibc xlocale interface for thread-specific locale
support. Also add the various *_l(args, locale_t loc_arg) funcs.
NOTE!!! setlocale() is NOT threadsafe! NOTE!!!
The strto{floating point} conversion functions are now locale aware.
The also now support hexadecimal floating point notation.
Add the wcsto{floating point} conversion functions.
Fix a bug in mktime() related to dst. Note that unlike glibc's mktime,
uClibc's version always normalizes the struct tm before attempting
to determine the correct dst setting if tm_isdst == -1 on entry.
Add a stub version of the libintl functions. (untested)
Fixed a known memory leak in setlocale() related to the collation data.
Add lots of new config options (which Erik agreed to sort out :-),
including finally exposing some of the stripped down stdio configs.
Be careful with those though, as they haven't been tested in a
long time.
(temporary) GOTCHAs...
The ctype functions are currently incorrect for 8-bit locales. They
will be fixed shortly.
The ctype functions are now table-based, resulting in larger staticly
linked binaries. I'll be adding an option to use the old approach
in the stub locale configuration.
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for different things.
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option, to avoid the possibility of adding non PIC code into the shared PIC
uClibc library, thereby making the .text segment unshareable.
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patch from Stefan Allius (though the extra/config/Makefile
rework is mine),
-Erik
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-Erik
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configurable, so people who do not need or want ctor/dtor support
can disable it and make their binaries a little bit smaller.
-Erik
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- Invert all FORCE_SHAREABLE_TEXT_SEGMENTS checks.
- Define FORCE_SHAREABLE_TEXT_SEGMENTS in the Makefile,
so it can be configured by the config system.
- linuxelf.h inspects that we don't combine FORCE_SHAREABLE_TEXT_SEGMENTS
and SVR4_BUGCOMPAT
- Add a new config option for FORCE_SHAREABLE_TEXT_SEGMENTS
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on malloc (via realloc).
-Erik
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(UCLIBC_HAS_FULL_RPC): default to `y' if !HAVE_SHARED.
(SYSTEM_LDSO): Depend on HAVE_SHARED.
(DOASSERTS): New option.
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Move all configuration options into the new config system.
-Erik
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-Erik
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-Erik
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been working on a new config system on and off for about 6 months
now, but I've never been fully satisfied. Well, I'm finally am
happy with the new config system, so here it is. This completely
removes the old uClibc configuration system, and replaces it with
an entirely new system based on LinuxKernelConf, from
http://www.xs4all.nl/~zippel/lc/
As it turns out, Linus has just merged LinuxKernelConf into Linux
2.5.45, so it looks like I made the right choice.
I have thus far updated only x86. I'll be updating the other
architectures shortly.
-Erik
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