[PATCH] Fix -unawareness of large-addresses on mingw (#8520)

Simon Marlow marlowsd at gmail.com
Sun Jun 8 08:30:26 UTC 2014


If someone validates this on Windows it could go in.  Add it to #8520 
and put the ticket in the patch state?

On 04/06/2014 10:15, kyra wrote:
> LARGEADDRESSAWARE flag if set in executable's header tells the OS that
> the application can handle addresses larger than 2GB.
>
> For 32-bit executables it is disabled usually. To enable it we must tell
> linker to enable it or manually edit an executable - for example,
> peflags of editbin (from Microsoft) utilities could be used.
>
> Cheers,
> Kyra
>
> On 6/4/2014 11:23, Simon Marlow wrote:
>> I don't know what this does, and there doesn't seem to be any info in
>> #8520 either.
>>
>> Could you add the patch to the ticket, and help us out by saying why
>> this fixes the problem (and if possible, explain why it won't break
>> anything else)?
>>
>> On 03/06/2014 07:06, transfuturist wrote:
>>> ---
>>>   compiler/main/SysTools.lhs | 1 +
>>>   1 file changed, 1 insertion(+)
>>>
>>> diff --git a/compiler/main/SysTools.lhs b/compiler/main/SysTools.lhs
>>> index dc9642d..1cf1155 100644
>>> --- a/compiler/main/SysTools.lhs
>>> +++ b/compiler/main/SysTools.lhs
>>> @@ -740,6 +740,7 @@ getLinkerInfo' dflags = do
>>>                      [ -- Reduce ld memory usage
>>>                        "-Wl,--hash-size=31"
>>>                      , "-Wl,--reduce-memory-overheads"
>>> +                   , "-Wl,--large-address-aware"      --Trac #8520
>>>                        -- Increase default stack, see
>>>                        -- Note [Windows stack usage]
>>>                      , "-Xlinker", "--stack=0x800000,0x800000" ]
>>>
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