[parisc-linux] system calls

Admin admin@inane.demon.co.uk
Mon, 3 Sep 2001 05:10:34 +0100


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How does PA-RISC trap to the OS during syscalls.

x86 uses trapgates and long-jumps, sparc uses traps and MIPs uses jumps.

I'm wondering what the set of instructions are to initiate a system =
call.

-inane

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<DIV><FONT face=3DArial size=3D2>How does PA-RISC trap to the OS during=20
syscalls.</FONT></DIV>
<DIV>&nbsp;</DIV>
<DIV><FONT face=3DArial size=3D2>x86 uses trapgates and long-jumps, =
sparc uses traps=20
and MIPs uses jumps.</FONT></DIV>
<DIV>&nbsp;</DIV>
<DIV><FONT face=3DArial size=3D2>I'm wondering what the set of =
instructions are to=20
initiate a system call.</FONT></DIV>
<DIV>&nbsp;</DIV>
<DIV><FONT face=3DArial size=3D2>-inane</FONT></DIV></BODY></HTML>

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