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01-05-2006, 19:52 | #1 (permalink) |
Junior Member Join Date: Jan 2006
Posts: 2
Member: 216352 Status: Offline Thanks Meter: 0 | Writing patches in C (using ADS or gcc) I recently decided to progress in C, as asm-code becomes too unreadable too soon... I tried it with ADS 2.2.. It compiles, alright, but somehow I can't get the hang of it... How can I tell it to use my own base address (and not 0x0)? And how can I get the code out of this ELF-Binaries it produces? (And I don't want it to use any (.data...) segments beside the code-segment!) Can somebody give me some hints or point out some (important) settings for me I have overlooked? (I have in mind the x65 series with ARM926EJ-S (and I've set this). Further I've set ARM/Thumb Interworking and turned all options what to include in the .o binary off. For linking, I tried "Simple" setting with RO-Base as 0x0800xxx my wanted base address (is that the right option to set?!) ) I am thankful for any hint how to use this (or the gcc) compiler properly for the ARM926EJ-S... Thanks in advance KKaul PS: Even some russian links would help me atm... Edit: I finally found "fromelf" that seems to do something like code-extraction from elf-binaries... So I've compiled miniGPS and compared with the bytecode I had... There's something going wrong.. its code is much longer (a0c bytes to 6f3), it does not use some instructions (although the cpu-type ist set to ARM926EJ-S..) and it uses some data-segments! So I am doing something wrong.... Last edited by KKaul; 01-05-2006 at 20:17. |
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