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Re: assembly programming in Emacs how to


From: Ronnie Collinson
Subject: Re: assembly programming in Emacs how to
Date: Fri, 18 Mar 2011 21:50:22 +1300

Instead of decompiling to see the generated C code, you can tell GCC
to stop before assembling. gcc -S yourcfile.c, or use an option like
--save-temps to see all phases of compilation, and get the executable

On 3/15/11, Pascal J. Bourguignon <address@hidden> wrote:
> 김태윤 <address@hidden> writes:
>
>> assembly programming in Emacs how to?
>> I want Emacs to do following things
>
>   0. edit an assembler file.
>
> Just open a file with the .s extension, or add a comment on the first
> line with: -*- mode:asm -*-
>
>
>> 1. assembling
>
> M-x compile RET C-a C-k gcc -o pgm  pgm.s RET
>
>> 2. run the just before made program inside Emacs
>
> That would depend on the kind of user interface your program uses, and
> whether  you want to run it with debugging or not.
>
> Without debugging:
>
>     - a daemon can be launched with:
>
>          M-! pgm RET
>
>     - a program with dumb terminal I/O (just read and write lines):
>
>          M-x shell RET
>          pgm RET
>
>     - a program with sophisticated terminal I/O (ncurses):
>
>          M-x term RET
>          pgm RET
>
>          M-x terminal-emulator RET
>          pgm RET
>
>          M-! xterm -e pgm & RET
>
>      - a program with GUI:
>
>          M-! pgm & RET
>
> See also
> http://groups.google.com/group/gnu.emacs.help/msg/458f28dae283b4da?hl=en
>
>
>
>> 3. debugging with watching flags and registers as like ollydbg or
>> softice
>
> With debugging:
>
>     - a daemon, or a program with dumb terminal I/O (just read and write
>       lines), or a program with GUI can be launched with:
>
>          M-x shell RET
>          gdb pgm RET
>          run RET
>
>
>     - a program with sophisticated terminal I/O (ncurses):
>
>          M-x term RET
>          gdb pgm RET
>          run RET
>
>          M-x terminal-emulator RET
>          gdb pgm RET
>          run RET
>
>          M-! xterm -e gdb pgm & RET
>          run RET
>
>
> There's also gud:
>
>     M-x gud-gdb RET pgm RET
>
> which offers better integration between the debugger and emacs, but I'm
> not sure about the program I/O requirements.
>
>
>
>> 4. decompile executable file for see what assembly codes are made by c
>> but I don't know how to do this.
>
> You may use commands such as objdump, or otool or disasm.
>
>
> --
> __Pascal Bourguignon__                     http://www.informatimago.com/
> A bad day in () is better than a good day in {}.
>



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