Illegal Instruction caused by atexit?

David Korn
Thu Oct 4 01:53:00 GMT 2001

>-----Original Message-----
>From: Larry Gray [ ]
>Sent: 03 October 2001 21:19

>Here is an example of my objdump:
>201f2:	0000	11c0	orib #-64,%d0
>201f6:	f907		fsave (cpid=4) %d7
>This should be:
>11c0	f907	moveb %d0,fffff907
>The extra 0000 causes objdump to misintrepret the opcode, however the JSR 
>goes to the right address.

  Surely you have to assume that it can't be doing so, and that in fact
your cpu *is* executing that instruction sequence as disassembled above,
and the illegal instruction in question is in fact that $Fxxx opcode?

  Or would that have produced a different exception?  As I said, I'm a 
bit rusty and I can't remember if there's a separate line-F vector like
the line-A vector or if $Fxxx opcodes trigger the illegal instruction

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