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shared library support. This also adds some cleaner error
handling, which I (Erik) then ported over to x86 and arm.
In addition Stefan added the following fixes:
- in hash.c was the lvalue handling of global library functions wrong.
To fix this I had to change the prototype of _dl_find_hash. (==> TIS and
ELF spec. Vers. 1.2)
- in ldso.c was the order of the .init sections calls wrong. Before we call
the initialization code of a library we have to check that all dependend
libraries are already initialized. This can easily made by calling it in the
revers loading order. For this I added a previous pointer chain.
- in ldso.c the ELF magics wasn't checked fo PPC, MIPS and SH architecture
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'_dl_load_elf_shared_library'.
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out page alignment issues. As we we were assuming 4k pages, which
need not be the case...
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Uh, this patch fixes a few bugs that I overlooked. Shoot, even BusyBox
wouldn't work until these are applied. Erik, plop this into CVS please.
Thanks.
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I am very pleased to announce that the MIPS dynamic linker/loader
for uClibc is now working. It works on big and little endian
platforms.
A few minor changes were needed to avoid breaking ldd, and since this
makes some non-trivial changes, I have tested on x86, arm, and powerpc
to be sure thoese arches didn't get broken. Excellent work Steven!
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things up when we don't care about symbol resolution problems. Make
the lib loader always look first in the directory where the shared lib
loader was found.
-Erik
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debugging code now.
-Erik
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a single .c file, making stuff be even smaller.
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nameing conflicts with std header files.
-Erik
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it matches the routine in ldd.c
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of _dl_fprintf which should really be _dl_dprintf
-Erik
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issues, and syns things (as far as I am willing) with Dave Schleef's
tree. We may need to go another round or so, but we do seem to be
converging...
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since I'd forgotten a one liner...
-Erik
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with the new build system...
-Erik
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-Erik
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else fails. Let <arch>-uclibc-gcc --uclibc-use-build-dir set the
shared lib loader to the one in the builddir's path.
-Erik
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-Erik
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-Erik
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-Erik
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TARGET_PREFIX to allow more flexibility. Also modified the gcc wrapper
to do the right thing if -Wl,--dynamic-linker,xxx is passed on the command
line. The gcc wrapper will also check the env variable UCLIBC_GCC_LDOPT
for a dynamic linker option at runtime (although command line arg overrides
the env variable).
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so we now parallel the behavior of the standard tools.
Also make sure we check INSTALLDIR/lib and INSTALLDIR/usr/lib for libraries.
-Erik
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-Erik
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use linux kernel header files.
-Erik
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III and me. I've been working on stripping out arch dependant stuff and
replacing it with generic stuff whenever possible.
-Erik
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