On Wed, 2012-06-13 at 08:10:02 +0200, Raphael Hertzog wrote:
> On Wed, 13 Jun 2012, Guillem Jover wrote:
> > On Wed, 2012-06-13 at 07:06:47 +0200, Guillem Jover wrote:
> > > I've actually have had this on my TODO to deal with, which I found
> > > when checking libudt on armel some time ago. I'm reassigning and will
> > > push a fix for dpkg 1.16.5.
> >
> > Actually after having checked this now it appears the problem are
> > missing entries on the libgcc1 symbols files for EABI architectures,
> > which include armel and armhf.
> >
> > I see at least missing __aeabi_unwind_cpp_pr1@GCC_3.5 and
> > __aeabi_unwind_cpp_pr2@GCC_3.5 but there might be others.
> Well, it's to be expected since dpkg-gensymbols is blacklisting
> them:
>
> see scripts/Dpkg/Shlibs/SymbolFile.pm:
>
> # Many armel-specific symbols
> $blacklist{"__aeabi_$_"} = 1 foreach (qw(cdcmpeq cdcmple cdrcmple cfcmpeq
> cfcmple cfrcmple d2f d2iz d2lz d2uiz d2ulz dadd dcmpeq dcmpge dcmpgt
> dcmple dcmplt dcmpun ddiv dmul dneg drsub dsub f2d f2iz f2lz f2uiz f2ulz
> fadd fcmpeq fcmpge fcmpgt fcmple fcmplt fcmpun fdiv fmul fneg frsub fsub
> i2d i2f idiv idivmod l2d l2f lasr lcmp ldivmod llsl llsr lmul ui2d ui2f
> uidiv uidivmod ul2d ul2f ulcmp uldivmod unwind_cpp_pr0 unwind_cpp_pr1
> unwind_cpp_pr2 uread4 uread8 uwrite4 uwrite8));
I'm aware of the blacklist. The eabi symbols are explicitly listed in
an libgcc1.symbols.aeabi file in gcc-*, and __aeabi_unwind_cpp_pr0 for
example is there, but not the _pr1 and _pr2 variants. And it's already
using “ignore-blacklist”. As I said the missing symbols just need to
be added there.
> If some of them are no longer "internal machinery" and no longer present in
> random libraries, then we ought to de-blacklist them.
>
> See #462318 for the bug that requested them to be blacklisted.
This is unrelated to this specific issue.
guillem
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