Re: Section information of ADS generated assembly file

[Ketan Mukadam <kmukadam at neomagic dot com>]

> Thanks Vincent for your response.
>
> Yes I also thought of the option of converting the assembly to GNU syntax, 
> but i was not able to find any good document for gcc-syntax assembly. For 
> example I have an instruction : BLT     Loop   , where "Loop" is a label.
>
> Now I was not able to find how it can be converted to gcc-syntax. [i.e 
> branching to some label], I tried google, and came up with many documents 
> explaining the gcc-syntax but they were mainly for X86, although most of 
> the things shud apply equally well for ARM assembly but there may be few 
> subtle differences.
>
> If anyone can give me some pointer/link for the complete gcc-syntax or 
> where can i find them, i wud appreciate the help.
>
> PS: How can i automatically generate the gcc-syntax code??
>
> Thanks
> Regds
> Ketan
>
>
> At 12:27 PM 6/4/2003 Wednesday, Vincent Rubiolo wrote:
>
> > Hello,
> >
> > It is nice to see other people are dealing with the same pb as I do ;P
> >
> > Concerning your question, I would recommend converting (by hand or 
> > automatically) your
> > inline asm to GNU syntax instead of generating pure one with armcc and 
> > then adapting it.
> > Indeed, gcc/gas understands ARM opcodes; only the directives are 
> > different. IMHO, you'll
> > save more time trying to adapt a few directives in your original source 
> > than the whole
> > machine-generated asm stuff.
> >
> > Hopes that helps,
> >
> > Vincent
> >
> > kmukadam@neomagic.com wrote:
> > >
> > > Hi all,
> > >
> > > I am not sure whether this is the right place to ask my query. [It is more
> > > related to ADS than to gcc GAS]
> > >
> > > I have an C code with inlined assembly, built for ADS[ARM Development
> > > Suit]. The inline assembly is not in gcc-syntax. I converted it to pure
> > > assembly file using the -S option of armcc compiler.
> > >
> > > Now I changed the directives of the file to suit the gcc assembler
> > > (gas).   The assembled code has something like the following
> > > 
> > =========================================================================================================
> > > |L1.1236|
> > >          DCD      ||.constdata$1||
> > > |L1.1240|
> > >          DCD      ||.constdata$1|| + 4
> > >          ENDP
> > >
> > > AREA ||.constdata||, DATA, READONLY, ALIGN=1
> > >
> > > ||.constdata$1||
> > > startPos1
> > >          DCW      0x0001,0x0003
> > > startPos2
> > >          DCW      0x0000,0x0001
> > >          DCW      0x0002,0x0004
> > >
> > > AREA |area_number.1|, DATA, READONLY, ALIGN=0
> > > EXPORTAS |area_number.1|, ||.constdata||
> > > ||.constdata$6||
> > > 
> > ==========================================================================================================
> > >
> > > My query is
> > >
> > > 1) What the ||.constdata$1|| stands for?? Is it a label or a subsection
> > > inside the .data area or is it a indication to the linker to attach a
> > > specific (load) address to this symbol??
> > >
> > > 2) Why EXPORTAS is used to export the section named |area_number.1| as
> > > ||.constdata||??
> > >
> > > 3) How can I map this to gcc GAS assembler directives??
> > >
> > > Thanks in advance
> > >
> > > Regds
> > > Ketan
> > >
> > > "Destiny is not a matter of chance, it is a matter of choice; it is not a
> > > thing to be waited for, it is a thing to be achieved."
> > > 
> >                            ----William
> > > Jennings Bryan
> > >
> > > ------
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> > <!DSPAM:3edd97fb100181562814389>
>
> "Destiny is not a matter of chance, it is a matter of choice; it is not a 
> thing to be waited for, it is a thing to be achieved."
>
> ----William Jennings Bryan

"Destiny is not a matter of chance, it is a matter of choice; it is not a 
thing to be waited for, it is a thing to be achieved."
                                                                                                ----William 
Jennings Bryan 


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