Win Tims Money! a.k.a. find my sockets bug!
John M McIntosh
johnmci at smalltalkconsulting.com
Fri Apr 21 21:45:36 UTC 2000
> All -
> Duane wrote
> I'll raise the ante another US$75 (that's nearly 8000 yen!)
Duane, sorry I think it's a $1.00 from Tim, and $75 from you.
PS
address = ((unsigned char *)
(interpreterProxy->firstIndexableField(interpreterProxy->stackValue(1))));
(Ensure you get the signage right closer to the value
For the curious where we had char *
return (((ptrToByteArray[3]) + ((ptrToByteArray[2]) << 8)) +
((ptrToByteArray[1]) << 16)) + ((ptrToByteArray[0]) << 24);
00000054: 881F0000 lbz r0,0(r31)
00000058: 7C000774 extsb r0,r0
0000005C: 5405C00E slwi r5,r0,24
00000060: 881F0001 lbz r0,1(r31)
00000064: 7C000774 extsb r0,r0
00000068: 5403801E slwi r3,r0,16
0000006C: 881F0003 lbz r0,3(r31)
00000070: 7C040774 extsb r4,r0
00000074: 881F0002 lbz r0,2(r31)
00000078: 7C000774 extsb r0,r0
0000007C: 5400402E slwi r0,r0,8
00000080: 7C001A14 add r0,r0,r3
00000084: 7C602A14 add r3,r0,r5
00000088: 7C641A14 add r3,r4,r3
0000008C: 80010048 lwz r0,72(SP)
00000090: 38210040 addi SP,SP,64
00000094: 7C0803A6 mtlr r0
00000098: 83E1FFFC lwz r31,-4(SP)
0000009C: 83C1FFF8 lwz r30,-8(SP)
000000A0: 4E800020 blr
Note the compiler use of extsb
for unsigned char *
return (((ptrToByteArray[3]) + ((ptrToByteArray[2]) << 8)) +
((ptrToByteArray[1]) << 16)) + ((ptrToByteArray[0]) << 24);
00000054: 881F0000 lbz r0,0(r31)
00000058: 5405C00E slwi r5,r0,24
0000005C: 881F0001 lbz r0,1(r31)
00000060: 5403801E slwi r3,r0,16
00000064: 889F0003 lbz r4,3(r31)
00000068: 881F0002 lbz r0,2(r31)
0000006C: 5400402E slwi r0,r0,8
00000070: 7C001A14 add r0,r0,r3
00000074: 7C602A14 add r3,r0,r5
00000078: 7C641A14 add r3,r4,r3
0000007C: 80010048 lwz r0,72(SP)
00000080: 38210040 addi SP,SP,64
00000084: 7C0803A6 mtlr r0
00000088: 83E1FFFC lwz r31,-4(SP)
0000008C: 83C1FFF8 lwz r30,-8(SP)
00000090: 4E800020 blr
--
===========================================================================
John M. McIntosh <johnmci at smalltalkconsulting.com> 1-800-477-2659
Corporate Smalltalk Consulting Ltd. http://www.smalltalkconsulting.com
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Custom Macintosh programming & various Smalltalk dialects
PGP Key: DSS/Diff/46FC3BE6
Fingerprint=B22F 7D67 92B7 5D52 72D7 E94A EE69 2D21 46FC 3BE6
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