The assembler generates relocatable object files. The linker
translates those relocatable addresses into absolute addresses, and
writes the resulting memory image to the output file.
If all of your addresses are explicitly defined, then the linker
has very little to do other than generate the memory image to the
output file. No modern assembler that I'm aware of generates binary
(or hex-ified binary) files directly; asx8051 is no exception.
-Dave
On Sep 6, 2008, at 7:52 PM, Richard Erlacher wrote:
> Yes, I suspected that, but how/why does the linker come into play when
> there's only one ASM module, with all addresses expressly defined?
> Mine is
> a single monolithic ASM file of just under 4200 lines (quite small)
> with no
> includes, no external references at all. Shouldn't this simply
> produce the
> .hex and .omf files on its own?
>
> regards,
>
> Richard Erlacher
>
> ----- Original Message -----
> From: "Philipp Klaus Krause" <[EMAIL PROTECTED]>
> To: <sdcc-user@lists.sourceforge.net>
> Sent: Saturday, September 06, 2008 4:52 PM
> Subject: Re: [Sdcc-user] documentation & open source generally
>
>
>> Richard Erlacher schrieb:
>>
>>>> $ sdcc --code-loc 0x2000 --data-loc 0x23 nixie-4.rel rtc.rel
>>>> entry.rel i2c_support.rel
>>>>
>>> ... and what is the significance of each of those apparent
>>> directives?
>>> Remember, I'm starting with an ASM file and not the output from the
>>> compiler. Where, if at all, are these directives documented, or,
>>> how did
>>> you find out what they are and when/why they're needed?
>>
>> Well, they're linker options documented in section 3.2.3 of the
>> manual.
>>
>> Philipp
>>
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Dave McGuire
Port Charlotte, FL
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