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Date:      Sun, 26 Nov 2000 14:07:49 -0800
From:      Jake Burkholder <jburkhol@home.com>
To:        smp@freebsd.org
Subject:   BSD/OS interrupt code
Message-ID:  <20001126220749.BFB35BA7A@io.yi.org>

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Hi,

If anyone with access to the BSD/OS code is interested, I've written
a little program that runs their interrupt stub code generator in
userland.  You can then abort(); and disassemble the stub from
the core dump to look at the code all in one piece.  Makes it much
easier to follow.

In case you haven't looked, their interrupt handlers are generated
by bcopy-ing various blocks of assembler code into an array at
runtime, and then poking in arguments and relocating branches.

Jake



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