On Fri, Jan 14, 2011 at 3:46 PM, H.J. Lu <hjl.to...@gmail.com> wrote: > On Fri, Dec 31, 2010 at 6:50 AM, H.J. Lu <hjl.to...@gmail.com> wrote: >> On Thu, Dec 30, 2010 at 4:48 PM, H.J. Lu <hjl.to...@gmail.com> wrote: >>> On Thu, Dec 30, 2010 at 4:42 PM, H. Peter Anvin <h...@zytor.com> wrote: >>>> On 12/30/2010 01:08 PM, Robert Millan wrote: >>>>> Hi folks, >>>>> >>>>> I had this unsubmitted patch in my local filesystem. It makes Linux >>>>> detect ELF32 AMD64 binaries and sets a flag to restrict them to >>>>> 32-bit address space. >>>>> >>>>> It's not rocket science but can save you some work in case you >>>>> haven't implemented this already. >>>>> >>>> >>>> I have pushed my old kernel patches to a git tree at: >>>> >>>> git://git.kernel.org//pub/scm/linux/kernel/git/hpa/linux-2.6-ilp32.git >>>> >>>> They are currently based on 2.6.31 since that was the released version >>>> when I first did this work; they are not intended to be mergeble but >>>> rather as a prototype. >>>> >>>> Note that we have no intention of supporting this ABI for the kernel >>>> itself. The kernel will be a normal x86-64 kernel. >>>> >>> >>> Here is the updated ILP32 patch for 2.6.35. >>> >>> >> >> I put my ILP32 gdb on hjl/ilp32 branch at >> >> http://git.kernel.org/?p=devel/gdb/hjl/x86.git;a=summary >> >> and my gcc 4.4 ILP32 on hjl/ilp32/gcc-4_4-branch branch at >> >> http://git.kernel.org/?p=devel/gcc/hjl/x86.git;a=summary >> > > I checked a bunch ILP32 bug fixes into binutils, gdb and gcc. > I also renamed the option from n32 to x32. > > Binutils and gdb should work correctly now. I tested them on > a simple C library with static and dynamic binaries. Gcc only > works with -O0.
I put a small C library for x32 at http://git.kernel.org/?p=devel/binutils/hjl/x32.git;a=summary -- H.J.
