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Does anyone know how to check if I'm running an IA-32 process on x86-64?
More importantly, how do I tell how big the user VM space is for
current? Like 3GiB for x86 and who knows what (87GiB? 192GiB?) for
x86-64 and however much for sparc/ppc ....
- --
All content of all messages exchanged herein are left in the
Public Domain, unless otherwise explicitly stated.
Creative brains are a valuable, limited resource. They shouldn't be
wasted on re-inventing the wheel when there are so many fascinating
new problems waiting out there.
-- Eric Steven Raymond
We will enslave their women, eat their children and rape their
cattle!
-- Bosc, Evil alien overlord from the fifth dimension
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>
>Does anyone know how to check if I'm running an IA-32 process on x86-64?
printf("%d\n", sizeof(void *)) should report 4 with 32-bit code.
> More importantly, how do I tell how big the user VM space is for
>current?
Find the bottom address of the stack. (This is left as an exercise.)
Jan Engelhardt
--
On Sat, May 20, 2006 at 09:03:11AM -0400, John Richard Moser wrote:
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> Does anyone know how to check if I'm running an IA-32 process on x86-64?
is_compat_task()
> More importantly, how do I tell how big the user VM space is for
> current? Like 3GiB for x86 and who knows what (87GiB? 192GiB?) for
> x86-64 and however much for sparc/ppc ....
TASK_SIZE
You should probably do your own work instead of posting questions everytime
you hit something you'd have to do a little bit of searching for.
--
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Kyle McMartin wrote:
> On Sat, May 20, 2006 at 09:03:11AM -0400, John Richard Moser wrote:
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>> Does anyone know how to check if I'm running an IA-32 process on x86-64?
>
> is_compat_task()
>
>> More importantly, how do I tell how big the user VM space is for
>> current? Like 3GiB for x86 and who knows what (87GiB? 192GiB?) for
>> x86-64 and however much for sparc/ppc ....
>
> TASK_SIZE
>
> You should probably do your own work instead of posting questions everytime
> you hit something you'd have to do a little bit of searching for.
>
Noted. As of late I've had the excuse that I've posted my last question
just before I had to go to bed so everyone else would search for the
answer while I sleep; but point taken ;)
> --
>
- --
All content of all messages exchanged herein are left in the
Public Domain, unless otherwise explicitly stated.
Creative brains are a valuable, limited resource. They shouldn't be
wasted on re-inventing the wheel when there are so many fascinating
new problems waiting out there.
-- Eric Steven Raymond
We will enslave their women, eat their children and rape their
cattle!
-- Bosc, Evil alien overlord from the fifth dimension
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