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Old 12-14-2017, 08:55 PM   #16
jackie_w
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Originally Posted by geek1011 View Post
For the first time those patches are made, a proper disassembler like RetDec or HopperApp are a lot more useful, as they show the program's flow.
I just googled for these. HopperApp says its for MacOS & Linux. RetDec seems to be some kind of plugin for IDA, which looks like a paid-for app which I don't own.
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Old 12-14-2017, 09:31 PM   #17
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Originally Posted by jackie_w View Post
I just googled for these. HopperApp says its for MacOS & Linux. RetDec seems to be some kind of plugin for IDA, which looks like a paid-for app which I don't own.
RetDec has a free command-line version.
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Old 12-14-2017, 10:29 PM   #18
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nd a web version at https://retdec.com/decompilation/
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Old 12-15-2017, 03:28 AM   #19
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But that's the point - I couldn't get it to output anything. I'm sure this must have been a very basic misunderstanding on my part, but that old post didn't claim to be 'objdump for Dummies' - which is probably what I needed to get started
It could be that the objdump you used didn't have support for ARM architecture. WIth Debian Linux the version of objdump that is installed by default only supports the host architecture, and you need to install a more complete multi-arch version manually.

To check, run objdump --help and check whether the list of supported targets include elf32-littlearm:
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Old 12-15-2017, 08:12 AM   #20
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Yes, but it doesn't fit libnickel.
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Old 12-15-2017, 08:36 AM   #21
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To check, run objdump --help and check whether the list of supported targets include elf32-littlearm:
This was the 'supported targets' and 'supported architectures' output from the --help option:
Code:
:\MinGW\bin\objdump.exe: supported targets: pe-i386 pei-i386 elf32-i386 elf32-iamcu Celf32-little elf32-big plugin srec symbolsrec verilog tekhex binary ihex

C:\MinGW\bin\objdump.exe: supported architectures: i386 i386:x86-64 i386:x64-32 i8086 i386:intel i386:x86-64:intel i386:x64-32:intel i386:nacl i386:x86-64:nacl i386:x64-32:nacl iamcu iamcu:intel plugin
As you can see, elf32-littlearm is not included. Installing Linux is not a road I want to go down. Sadly, too much learning curve at this stage of life.

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Originally Posted by PeterT View Post
I did try that but the libnickel.so.1.0.0 file is bigger than the 10mb limit.

It's time to call it a day. If I had more faith that I might be able to actually DO something with the decompiled code I'd persevere a bit longer, but, even though I have some technical skills, I'm not convinced they're suited to this kind of work.

Thank you all for trying to help but enough's enough
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Old 12-15-2017, 10:03 AM   #22
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Ok. Thanks for trying!
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Old 12-15-2017, 11:23 AM   #23
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Yes, so we wait for the offical release. At least we know now about the efforts to elaborate on the patcher.
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