[PATCH] PR ld/19572: -Ttext-segment accepts out of range value

[H.J. Lu]

On Sat, Feb 6, 2016 at 5:59 AM, Alan Modra <amodra@gmail.com> wrote:
> On Fri, Feb 05, 2016 at 01:16:58PM -0800, H.J. Lu wrote:
>> The address for -Tbss, -Tdata, -Ttext, -Ttext-segment, -Trodata-segment
>> and -Tldata-segment shouldn't be bigger than the address space.
>
> Does it really matter if someone specifies an address that wraps?
>
> If it does, then it opens up other questions like:  Is the 32-bit
> address range 0 to 4G-1 or -2G to 2G-1?  We have ELF targets (see
> bed->sign_extend_vma) where the latter might be more natural.

When address passed to -Txxxx overflows, bfd_scan_vma returns:

 if (overflow)
    value = ~ (bfd_vma) 0;

My patch just checks this condition and issues an error.  Is there any
anything wrong with it?


-- 
H.J.