Stephane Chauveau wrote: > Thiemo Seufer wrote: > > >Andreas Barth wrote: > >[snip] > > > > > >>>DEBIAN PACKAGE FROM REPOSITORY: > >>>11 .rodata 000840cb 000000000021a180 000000000021a180 ... > >>>21 .data 000233c0 00000000003f1d60 00000000003f1d60 ... > >>> > >>>MY OWN RECOMPILED DEBIAN PACKAGE: > >>>11 .rodata 000a43ad 00000000001f3180 00000000001f3180 ... > >>>21 .data 00000748 00000000003f3460 00000000003f3460 ... > >>> > >>>That's 0x0233c0-0x748 = 140KB moved from shared to non-shared > >>> > >>>140KB of non shared memory per GTK application is HUGE!!! > >>> > >>> > > > >Fortunately it is not as bad as it sounds iff the constant data is > >collated together in larger chunks. The kernel does copy-on-write, > >if a .data page is never written, the memory usage is effectively > >the same. > > > > > > I checked the content of the .data section in libgtk and the > unexpected data appears to be composed of all exported > symbols aligned to a multiple of 16. Obviously a symbol > table of some kind.
The whole thing sounds like the result of hiding _GLOBAL_OFFSET_TABLE_ and _PROCEDURE_LINKAGE_TABLE_ in newer binutils. Thiemo -- To UNSUBSCRIBE, email to [EMAIL PROTECTED] with a subject of "unsubscribe". Trouble? Contact [EMAIL PROTECTED]
