Re: Program section alignment on MIPS

[Mike Frysinger <vapier at gentoo dot org>]

On Monday 26 March 2007, Paul Koning wrote:
> I've noticed a change between binutils 2.17 and older versions (2.14
> at least; don't know for sure when this arrived).  In 2.14, the
> program sections were aligned 2**12, which make sense given the MIPS
> page size.  In 2.17 they are aligned 2**16, which I don't want and is
> causing trouble.

search the archives ... this comes up from time to time

> The biggest problem is that I can't find out where this number comes
> from, nor how to change it.  Looking through the docs for "align"
> turns up assorted things, but none that seem relevant and none that
> help.

look at the ELF_MAXPAGESIZE defines in the bfd/*elf*mips* files ... for 2.17, 
you'll need to change the define by hand:
http://uclibc.org/cgi-bin/viewcvs.cgi/trunk/buildroot/toolchain/binutils/2.17/400-mips-ELF_MAXPAGESIZE-4K.patch?rev=15498&view=auto

in latest binutils, there's a new ld option so you can change it on the 
fly ... -z max-page-size and -z common-page-size
-mike

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