2011.Február 27.(V) 13:54 időpontban Magnus Granberg ezt írta: > On Sunday 27 February 2011 10.11.58 Ryan Hill wrote: >> On Sun, 27 Feb 2011 09:20:57 +0100 >> >> klondike <[email protected]> wrote: >> > 2011/2/27 Ed W <[email protected]>: >> > > On 26/02/2011 18:01, Magnus Granberg wrote: >> > >> If you have read the last meeting we will be removing the pic use >> flag >> > >> as default on in the hardened amd64 profile. We will start with the >> > >> changes when >> > >> the new structure to the profiles have settled down. >> > > >> > > Hi, any chance of a bit of background on this change? ie the "why" >> and >> > > some of the implications? > > Most of the asm code is in libs and on amd64 it need to be PIC friendly > from > the start. We don't need to disable asm code. We do that most times with > the > pic use flag on hardened profile. > > /Magnus
I'm still running Hardened on x86. I'm thinking of the optimal time to switch to amd64. Is it better from the security point of view? I assume, that it's easier to make amd64 asm code PIC-aware because of the higher number of available registers. Dw. -- dr Tóth Attila, Radiológus, 06-20-825-8057 Attila Toth MD, Radiologist, +36-20-825-8057 >> > >> > Summing it up a lot, amd64 usually needs not special asm code for PIC >> > due to the way the ABI is defined (which means being PIC by default >> > usually). >> >> You summed it up too much. Why does this need to change? >
