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Le 1 mai 05 =E0 15:26, Tim Kelly a =E9crit :

> On Sun, 1 May 2005 09:23:03 -0400
> Tim Kelly <hockey@dialectronics.com> wrote:
>
>
>> What's the instruction at
>>
>> 0x0049d2c0: at OF_getprop+0x68
>>
>> ?
>>
>
> Let me rephrase - where does this instruction branch to?  You can =20
> do an
> objdump on just the openfirm.o file.

I'm not sure I'm counting right, but it seems to branch on itself

000001d8 <OF_getprop>:
1d8:   94 21 ff d0     stwu    r1,-48(r1)
1dc:   7c 08 02 a6     mflr    r0
1e0:   93 c1 00 28     stw     r30,40(r1)
1e4:   7c de 33 78     mr      r30,r6
1e8:   93 41 00 18     stw     r26,24(r1)
1ec:   3f 40 00 00     lis     r26,0
1f0:   93 61 00 1c     stw     r27,28(r1)
1f4:   7c bb 2b 78     mr      r27,r5
1f8:   93 81 00 20     stw     r28,32(r1)
1fc:   7c 9c 23 78     mr      r28,r4
200:   93 a1 00 24     stw     r29,36(r1)
204:   7c 7d 1b 78     mr      r29,r3
208:   93 e1 00 2c     stw     r31,44(r1)
20c:   90 01 00 34     stw     r0,52(r1)
210:   48 00 00 01     bl      210 <OF_getprop+0x38>
214:   2c 1e 10 00     cmpwi   r30,4096
218:   3d 20 00 00     lis     r9,0
21c:   3b e9 00 00     addi    r31,r9,0
220:   38 a0 ff ff     li      r5,-1
224:   7f e3 fb 78     mr      r3,r31
228:   41 81 00 5c     bgt-    284 <OF_getprop+0xac>
22c:   80 1a 00 00     lwz     r0,0(r26)
230:   93 bf 00 0c     stw     r29,12(r31)
234:   93 9f 00 10     stw     r28,16(r31)
238:   93 df 00 18     stw     r30,24(r31)
23c:   90 1f 00 14     stw     r0,20(r31)
240:   48 00 00 01     bl      240 <OF_getprop+0x68>
244:   38 a0 ff ff     li      r5,-1
248:   2c 03 ff ff     cmpwi   r3,-1
24c:   41 82 00 38     beq-    284 <OF_getprop+0xac>
250:   80 7f 00 1c     lwz     r3,28(r31)
254:   7f 64 db 78     mr      r4,r27
258:   7c 03 f0 00     cmpw    r3,r30
25c:   40 81 00 0c     ble-    268 <OF_getprop+0x90>
260:   93 df 00 1c     stw     r30,28(r31)
264:   7f c3 f3 78     mr      r3,r30
268:   2c 03 00 00     cmpwi   r3,0
26c:   7c 65 1b 78     mr      r5,r3
270:   40 81 00 10     ble-    280 <OF_getprop+0xa8>
274:   80 7a 00 00     lwz     r3,0(r26)
278:   48 00 00 01     bl      278 <OF_getprop+0xa0>
27c:   80 7f 00 1c     lwz     r3,28(r31)
280:   7c 65 1b 78     mr      r5,r3
284:   80 01 00 34     lwz     r0,52(r1)
288:   7c a3 2b 78     mr      r3,r5
28c:   83 41 00 18     lwz     r26,24(r1)
290:   83 61 00 1c     lwz     r27,28(r1)
294:   7c 08 03 a6     mtlr    r0
298:   83 81 00 20     lwz     r28,32(r1)
29c:   83 a1 00 24     lwz     r29,36(r1)
2a0:   83 c1 00 28     lwz     r30,40(r1)
2a4:   83 e1 00 2c     lwz     r31,44(r1)
2a8:   38 21 00 30     addi    r1,r1,48
2ac:   4e 80 00 20     blr

Regards,

R=E9mi Zara



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