Re: filling up pt_regs by myself
To the best of my knowledge there is NOT a standard way to pass the
pt_regs to a system call. Each arch does its own thing. Makes it REAL
hard to write a system call that needs them. I hope we can define a
"Aneesh Kumar K.V" wrote:
> Is there any functions that i can use to setup pt_regs structure
> For example how can I take a following i386 system call to alpha
> sys_mycall( struct pt_regs regs)
> my_function( ®s);
> I tried to do it same way . But then the value of members of regs
> structure that i am getting are corrupted. Later looking into the
> source i found that for most of alpha system call is defined something
> sys_mycall( arg1, arg2, arg3.....)
> So i replaced the above function definition with
> sys_mycall( argument1, argument 2 argument ) here consider it takes
> only three arguments ...
> But now how i will pass the regs structure to my_function . Is there any
> already existing function that help me to do that something like
> save_regs(®s) ? Or do i need to hand code all the saving by itself.
> Can I use SAVE_ALL #define defined in entry.S .
> Thanks in advance .
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