On 5/12/10 6:10 PM, Ken Thomases wrote: > On May 12, 2010, at 6:53 PM, Charles Davis wrote: > >> On 5/12/10 5:37 PM, Ken Thomases wrote: >>> What problems does this cause? >> It makes Wine use more memory than it needs to. >> >> http://wiki.winehq.org/UnalignedMmap >>> Can't we achieve that just by avoiding the mapping of the "mmap" identifier >>> to the _mmap$UNIX2003 symbol? >> We could for 32-bit, but not 64-bit. > > And does the problem still matter in 64-bit? Probably. Everything I've read seems to indicate that the 64-bit PE format is just that--a 64-bit version of the PE format. In particular, it seems to me that disk alignment can still be less than one page. > > Also, are unaligned PE images also prevalent for 64-bit executables? I wouldn't know, I've never seen an actual Win64 executable. > There are many cases in which 64-bit ABIs impose stricter alignment > requirements. That's certainly true. > I don't know if this is one of them. Somehow I doubt it is.
Chip
