FreeCalypso > hg > freecalypso-reveng
annotate arm7dis/README @ 243:83715e0c65de
pirelli/fw-disasm: first round of ABB functions
| author | Mychaela Falconia <falcon@freecalypso.org> | 
|---|---|
| date | Sat, 23 Dec 2017 08:27:26 +0000 | 
| parents | c883e60df239 | 
| children | 
| rev | line source | 
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107
 
c883e60df239
arm7dis: README and header comments added
 
Michael Spacefalcon <msokolov@ivan.Harhan.ORG> 
parents:  
diff
changeset
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1 The present package is a basic standalone disassembler for the ARMv4T | 
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c883e60df239
arm7dis: README and header comments added
 
Michael Spacefalcon <msokolov@ivan.Harhan.ORG> 
parents:  
diff
changeset
 | 
2 instruction set implemented on the ARM7TDMI CPU core, commonly used in classic | 
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c883e60df239
arm7dis: README and header comments added
 
Michael Spacefalcon <msokolov@ivan.Harhan.ORG> 
parents:  
diff
changeset
 | 
3 cellular phone baseband processors. The armdis utility interprets an arbitrary | 
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c883e60df239
arm7dis: README and header comments added
 
Michael Spacefalcon <msokolov@ivan.Harhan.ORG> 
parents:  
diff
changeset
 | 
4 raw binary image (i.e., one being reverse-engineered) as 32-bit ARM | 
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c883e60df239
arm7dis: README and header comments added
 
Michael Spacefalcon <msokolov@ivan.Harhan.ORG> 
parents:  
diff
changeset
 | 
5 instructions; thumbdis interprets the same image as 16-bit Thumb instructions. | 
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c883e60df239
arm7dis: README and header comments added
 
Michael Spacefalcon <msokolov@ivan.Harhan.ORG> 
parents:  
diff
changeset
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6 | 
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c883e60df239
arm7dis: README and header comments added
 
Michael Spacefalcon <msokolov@ivan.Harhan.ORG> 
parents:  
diff
changeset
 | 
7 The form in which the disassembly output is presented is a look-and-feel copycat | 
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c883e60df239
arm7dis: README and header comments added
 
Michael Spacefalcon <msokolov@ivan.Harhan.ORG> 
parents:  
diff
changeset
 | 
8 of GNU objdump: armdis is meant to replace | 
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c883e60df239
arm7dis: README and header comments added
 
Michael Spacefalcon <msokolov@ivan.Harhan.ORG> 
parents:  
diff
changeset
 | 
9 | 
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c883e60df239
arm7dis: README and header comments added
 
Michael Spacefalcon <msokolov@ivan.Harhan.ORG> 
parents:  
diff
changeset
 | 
10 objdump -b binary -m arm -EL -M reg-names-std -D unknown-firmware.bin | 
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c883e60df239
arm7dis: README and header comments added
 
Michael Spacefalcon <msokolov@ivan.Harhan.ORG> 
parents:  
diff
changeset
 | 
11 | 
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c883e60df239
arm7dis: README and header comments added
 
Michael Spacefalcon <msokolov@ivan.Harhan.ORG> 
parents:  
diff
changeset
 | 
12 and thumbdis is meant to replace | 
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c883e60df239
arm7dis: README and header comments added
 
Michael Spacefalcon <msokolov@ivan.Harhan.ORG> 
parents:  
diff
changeset
 | 
13 | 
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c883e60df239
arm7dis: README and header comments added
 
Michael Spacefalcon <msokolov@ivan.Harhan.ORG> 
parents:  
diff
changeset
 | 
14 objdump -b binary -m arm -EL -M reg-names-std -M force-thumb -D unknown-fw.bin | 
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c883e60df239
arm7dis: README and header comments added
 
Michael Spacefalcon <msokolov@ivan.Harhan.ORG> 
parents:  
diff
changeset
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15 | 
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c883e60df239
arm7dis: README and header comments added
 
Michael Spacefalcon <msokolov@ivan.Harhan.ORG> 
parents:  
diff
changeset
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16 Aside from sparing the operator from having to remember all those options | 
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c883e60df239
arm7dis: README and header comments added
 
Michael Spacefalcon <msokolov@ivan.Harhan.ORG> 
parents:  
diff
changeset
 | 
17 every single time, and aside from being an independent from-scratch | 
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c883e60df239
arm7dis: README and header comments added
 
Michael Spacefalcon <msokolov@ivan.Harhan.ORG> 
parents:  
diff
changeset
 | 
18 implementation (lean and mean, only knows how to disassemble those instructions | 
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c883e60df239
arm7dis: README and header comments added
 
Michael Spacefalcon <msokolov@ivan.Harhan.ORG> 
parents:  
diff
changeset
 | 
19 which are meaningful on ARM7TDMI), these tools have one other feature which | 
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c883e60df239
arm7dis: README and header comments added
 
Michael Spacefalcon <msokolov@ivan.Harhan.ORG> 
parents:  
diff
changeset
 | 
20 partly prompted me to write them: whenever *dis disassembles a PC-relative | 
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c883e60df239
arm7dis: README and header comments added
 
Michael Spacefalcon <msokolov@ivan.Harhan.ORG> 
parents:  
diff
changeset
 | 
21 ldr instruction, it shows the value pulled from the literal pool on that ldr | 
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c883e60df239
arm7dis: README and header comments added
 
Michael Spacefalcon <msokolov@ivan.Harhan.ORG> 
parents:  
diff
changeset
 | 
22 line. In the reverse engineering jobs I've had to do, it has been a very | 
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c883e60df239
arm7dis: README and header comments added
 
Michael Spacefalcon <msokolov@ivan.Harhan.ORG> 
parents:  
diff
changeset
 | 
23 valuable feature for me. | 
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c883e60df239
arm7dis: README and header comments added
 
Michael Spacefalcon <msokolov@ivan.Harhan.ORG> 
parents:  
diff
changeset
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24 | 
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c883e60df239
arm7dis: README and header comments added
 
Michael Spacefalcon <msokolov@ivan.Harhan.ORG> 
parents:  
diff
changeset
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25 Happy hacking, | 
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c883e60df239
arm7dis: README and header comments added
 
Michael Spacefalcon <msokolov@ivan.Harhan.ORG> 
parents:  
diff
changeset
 | 
26 Spacefalcon the Outlaw | 
