On Thu, Feb 17, 2011 at 8:11 AM, Jan Beulich <jbeul...@novell.com> wrote: >>>> On 17.02.11 at 16:49, "H.J. Lu" <hjl.to...@gmail.com> wrote: >> On Thu, Feb 17, 2011 at 7:44 AM, Jan Hubicka <hubi...@ucw.cz> wrote: >>>> > According to Mozilla folks however REL+RELA scheme used by EABI leads >>>> > to significandly smaller libxul.so size >>>> > >>>> > According to http://glandium.org/blog/?p=1177 the difference is about >>>> > 4-5MB >>>> > (out of approximately 20-30MB shared lib) >>>> >>>> This is orthogonal to x32 psABI. >>> >>> Understood. I am just pointing out that x86-64 Mozilla suffers from startup >>> problems (extra 5MB of disk read needed) compared to both x86 and ARM EABI >>> because x86-64 ABI is RELA only. If x86-64 ABI was REL+RELA like EABI is, we >>> would not have this problem here. >>> >> >> If people want to see REL+RELA in x32, they have to contribute codes. > > That's exactly the wrong way round: First the specification has to allow > for (but not require) it, and only then does it make sense to write code. >
No, it has to be supported at least by static linker and dynamic linker. Otherwise, no one can use it. -- H.J.
