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objdump m68k
From: |
harimw |
Subject: |
objdump m68k |
Date: |
Tue, 01 Aug 2006 08:58:25 +0700 |
dear maintainer,
recently I used objdump (of binutils-2.17) to disassembly a relocatable
object intended for m68000 bases system. It turned out that objdump
can't recognize the effective address for every JSR instructions. Here
is an example,
0: 4e56 0000 linkw %fp,#0
4: 2f3c 5741 524d movel #1463898701,address@hidden
a: 4eb9 0000 0000 jsr 0 <rpnff_bootram>
10: 4eb9 0000 0000 jsr 0 <rpnff_bootram>
16: 4e5e unlk %fp
18: 4e75 rts
translated from the following binary data,
0000000: 4e56 0000 2f3c 5741 524d 4eb9 bad8 25bb NV../<WARMN...%.
0000010: 024e b9ba c92a bb04 4e5e 4e75 .N...*..N^Nu
The original binary clearly show 4 bytes after 4eb9 (JSR) is not empty.
This object file is build using Microtec linker, and its format follows
IEEE-695 standard.
Thanks very much.
sincerely,
harimurti-w
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bandung-indonesia