On Mon, Jan 19, 2015 at 01:11:19PM +0100, Florian Weimer wrote: > On 01/09/2015 12:54 PM, Jakub Jelinek wrote: > > >Also, the number of relocations and > >memory consumption got up. > >Non-PIE cc1plus: > >Relocation section '.rela.dyn' at offset 0x187d30 contains 190 entries: > >Relocation section '.rela.plt' at offset 0x188f00 contains 284 entries: > >GNU_RELRO 0x1d14730 0x0000000002314730 0x0000000002314730 0x0058d0 0x0058d0 R 0x1 > >PIE cc1plus: > >Relocation section '.rela.dyn' at offset 0x187d90 contains 75803 entries: > >Relocation section '.rela.plt' at offset 0x344018 contains 230 entries: > >GNU_RELRO 0x1e18cf0 0x0000000002018cf0 0x0000000002018cf0 0x10e310 0x10e310 R 0x1 > > > >That means e.g. on the startup of each cc1plus process, that means 1MB extra > >COW wastage (executable has 24KB of pages written and then made > >non-writable, while PIE over 1MB). > > Odd. Did you test with copy relocations enabled? No, because you need GCC 5 for that (ok, have scratch rpms now for that), and very recent binutils (2.25 we have in F22 is not enough). Jakub -- devel mailing list devel@xxxxxxxxxxxxxxxxxxxxxxx https://admin.fedoraproject.org/mailman/listinfo/devel Fedora Code of Conduct: http://fedoraproject.org/code-of-conduct
