libphobos on ARM

[Andrew Wiley]

On Mon, Jun 4, 2012 at 4:31 AM, Matthew Caron <Matt.Caron at redlion.net>wrote:

> On 06/01/2012 10:13 PM, Andrew Wiley wrote:
>
>> On Fri, Jun 1, 2012 at 3:24 PM, Alex Rønne Petersen <alex at lycus.org
>> <mailto:alex at lycus.org>> wrote:
>>    Please try building libphobos and libdruntime with
>> -fno-section-anchors.
>>
>>
>> You certainly need to do this, but -O0 means that section-anchors
>> optimization is turned off anyway, so that isn't actually your problem.
>>
>
> Judging by:
>
> https://bitbucket.org/goshawk/**gdc/issue/120/fsection-**
> anchors-broken-on-arm<https://bitbucket.org/goshawk/gdc/issue/120/fsection-anchors-broken-on-arm>
>
> (specifically https://bitbucket.org/goshawk/**gdc/issue/120/fsection-**
> anchors-broken-on-arm#comment-**686378<https://bitbucket.org/goshawk/gdc/issue/120/fsection-anchors-broken-on-arm#comment-686378>),
> I thought that was fixed.
>
> I guess not. I'll build it with no-section-anchors from now on.
>
>
>  Can you run `disassemble` in gdb to see what the faulting instruction is?
>>
>
>
> (gdb) disassemble
> Dump of assembler code for function _**D2gc3gcx3Gcx16fullcollectshell**
> MFZk:
> 0x00045358 <_**D2gc3gcx3Gcx16fullcollectshell**MFZk+0>:     push    {r4,
> r5, r6, r7, r8, r9, r10, r11, lr}
> 0x0004535c <_**D2gc3gcx3Gcx16fullcollectshell**MFZk+4>:     vstmdb  sp!,
> {d8-d15}
>

You're faulting on a VFP instruction. What hardware are you trying to
target, and what is the output of `gdc -v` and `gcc -v` ?
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