Andi Kleen wrote:
>> They were *always* broken for 64-bit arguments on 32-bit machines, however.
>
> Well syscall() doesn't support that at all (unless you split by hand)
>
On i386 it just happens to work, because the calling convention is
equivalent. On some other 32-bit platforms it works tha
> They were *always* broken for 64-bit arguments on 32-bit machines, however.
Well syscall() doesn't support that at all (unless you split by hand)
-Andi
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Gautam Singaraju wrote:
> I am surprised that syscalls have been removed. Anyway, I plan to
> write a device node with read and write functions just so that I can
> call a method from a user space. What are my other choices?
man syscall
-hpa
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Andi Kleen wrote:
> "H. Peter Anvin" <[EMAIL PROTECTED]> writes:
>
>> Gautam Singaraju wrote:
>>> I use the _syscall0 macro.
>> Don't. The _syscall*() macros have been unsupported for ages,
>
> That's not true. I supported them on x86 before they were removed against
> my objections.
>
>> and b
I am surprised that syscalls have been removed. Anyway, I plan to
write a device node with read and write functions just so that I can
call a method from a user space. What are my other choices?
--
Gautam
On 06 Jul 2007 13:53:41 +0200, Andi Kleen <[EMAIL PROTECTED]> wrote:
"H. Peter Anvin" <[EMA
"H. Peter Anvin" <[EMAIL PROTECTED]> writes:
> Gautam Singaraju wrote:
> > I use the _syscall0 macro.
>
> Don't. The _syscall*() macros have been unsupported for ages,
That's not true. I supported them on x86 before they were removed against
my objections.
> and broken for ever longer.
Well,
On Thu, 5 Jul 2007, Gautam Singaraju wrote:
> I have been adding a syscall to the kernel (v 2.6.21); I am able to
> compile and boot into the kernel. However, the userspace macro fails
> to compile with the following message: "error: expected declaration
> specifiers or â...â before âmycallâ". I c
Gautam Singaraju wrote:
> I use the _syscall0 macro.
Don't. The _syscall*() macros have been unsupported for ages, and
broken for ever longer.
-hpa
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