On Sun, 2007-08-12 at 16:50 -0700, Jason King wrote:
> As I am doing testing with the replacement Sparc disassembler, I encountered
> something that's confused me:
>
> Doing a disassembly in /platform/sun4u/kernel/unix from a SXCE B63 box, a few
> instructions stuck out at me:
> 0x1007260: 6d 61 69 6e call -0x4a7a5a48
> <0xffffffffb6861818>
> 0x1007264: 20 72 65 74 bn,a,pn %xcc, +0x995d0 <0x10a0834>
> ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
> 0x1007268: 75 72 6e 65 call -0x2a36466c
> <0xffffffffd6ca2bfc>
> 0x100726c: 64 00 00 00 call -0x70000000
> <0xffffffff9100726c>
Ignore the instructions, look at the bytes. All ASCII printing characters,
mostly letters.
"main returned".
generated by uts/sun4u/ml/mach_locore.s, line 365
> 0x100bc78: 49 6e 74 65 call +0x25b9d194 <0x26ba8e0c>
> 0x100bc7c: 72 72 75 70 call -0x36362a40
> <0xffffffffcaca923c>
> 0x100bc80: 74 20 56 65 call -0x2f7ea66c
> <0xffffffffd1821614>
> 0x100bc84: 63 74 6f 72 call -0x722e4238
> <0xffffffff8ed27a4c>
> 0x100bc88: 20 52 65 63 bn,a,pn %xcc, +0x9958c <0x10a5214>
> ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
> 0x100bc8c: 65 69 76 65 call -0x6a5a266c
> <0xffffffff96a69620>
> 0x100bc90: 20 52 65 67 bn,a,pn %xcc, +0x9959c <0x10a522c>
> ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
"Interrupt Vector Receive Reg"
looks like uts/sun4u/ml/mach_interrupt.s, line 339
> Are these sections just garbage, or is something else going on here?
Looks like ASCII string literals to me.
- Bill
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