Assembly language programming in unix environment

[freeburn]

No i'm just suggesting that u have to do a little hard-work for findiing
necessary tools and information about ur processor. may be an assembler
for ur RISC architecture processor. but i do think if u want to
understand the machine in the lowest level, u have to know
microprocessors very well and for microprocessors you have to know
assembly language. there is an interesting reply came from a teacher of
computer science. and he suggested using plain gcc which can assemble
too.







On Mon, 2009-09-21 at 05:34 +0000, Christopher Lemire wrote:
> So what do you advise, me switch to intel? That will require a new mobo and proc? Am I better off learning C?
> Sent via BlackBerry from T-Mobile
> 
> -----Original Message-----
> From: freeburn <hossain at finder-lbs.com>
> 
> Date: Mon, 21 Sep 2009 05:53:29 
> To: <12817488128 at tmomail.com>; Ubuntu user technical support,not for general discussions<ubuntu-users at lists.ubuntu.com>
> Subject: Re: Assembly language programming in unix environment
> 
> 
> On Mon, 2009-09-21 at 04:02 +0000, Christopher Lemire wrote:
> > Freeburn. As of now, all I know is quite a bit about java, data
> > structures algorithms and efficient ones,etc but I haven't learned
> > anything lower than c++  I do want to learn asm. I have an amd 64 bit
> > proc dual core. I can provide more info on it if needed. I run 2.6.31
> > kernel I compiled and configured. All of what I know about low level
> > is just basic concepts from talking to developers and computer science
> > professors. I do know its very tedious and very efficient and the cpu
> > specific such as mips. What do you suggest. I absolutely hate coding
> > in windoze. Don't get me started on visual, net, sharp and other crap.
> > I want to code in asm for my proc. Can u give me some pointers,
> > advice, getting started. Feel free to contact me offlist as well. I'm
> > sure we could learn a lot from each other and my blog shares to the
> > linux community what I know as well.
> > http://linuxinnovations.blogspot.com
> 
> Dear Christopher Lemire
> 
> u have an AMD processor which is kind of difficult to program. AMD is
> RISC processor whereas intel is CISC. and we were taught all about CISC
> processor. so i know how to program intel processors. and as far as i
> know programming RISC machine is way more difficult than CISC one. you
> see in CISC architecture one instruction can be decoded by the processor
> by several steps. where as in RISC architecture this is not true. here
> the processor is less intelligent so the instructions has to be further
> broken apart for the processor. thats why it is more cumbersome coding
> for RISC machine. i have part time job in a company which specialises in
> embedded systems. we have to use different micro-controllers. most of
> them uses AVR family of microprocessors.  when we program them we always
> try use "c" . but sometimes we jsut have to use assembly language when
> the memory of that system is severely low and when we need very high
> efficiency in speed. and i'm telling you ,programming RISC processors is
> a quiet a tusk. firstly u need an assembler and some documents about
> your microprocessor for basic information like number of registers,
> addressing modes, memory interfacing, stack organisation etc. i'm
> suggesting a book which can be very helpful "Guide to assembly language
> programming in linux" by sivaram dandmudi published by springer. i have
> better books about aseembly language but they all are about intel
> processors. 
> the hardest thing will be finding an assembler. i use nasm. but its for
> x86 processor. i dont know any other assembler in linux. i know some in
> windoze but its good to stay away from buggy windoze software(:D)
> in my office the assembler i use for RISC AVR processor is no good for
> you, cause its a native assembler made for AVR processors.
> one of my teacher has expertise in RISC machine, i'll consult with him. 
> thanks for asking me this.
> 
> 
> 
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