MIPS N32 patch for xulrunner(firefox)

Finally, I have produced some results. I have watched 6 seasons of 24 and 2 seasons of Friends since late last month. So this is delayed. :P
The patch is here.
I think it still need some tweaks, you can always get the latest patch in my loongson overlay on http://www.gentoo-cn.org/gitweb.

The produced xulrunner could run a little example:
http://dev.gentoo.org/~r0bertz/xulrunner/myapp.tar.bz2
(untar the tarball, cd myapp && xulrunner-1.9 application.ini)

However, I haven't got a fully functioning firefox yet.
Some font size is extremely large. And sometimes bus error.

I have noticed that I have used -O3 to compile it.
I will try -O2/-O1 later and see if it still bus error.

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