Problem in ARM Branch Syntax

Vincent Rubiolo vincent.rubiolo@st.com
Tue Jun 10 12:58:00 GMT 2003


Hi Ketan,

Give ld manual a check, it'll give you a good amount of information.
The precise reference for this instruction is p.20 under section "The program 
counter"

Vincent

kmukadam@neomagic.com wrote:
> 
> Thanks Bill......  It worked......
> 
> Where is all this documented??
> 
> Ketan
> 
> At 06:12 PM 6/10/2003 Tuesday, Bill Gatliff wrote:
> 
>> Ketan:
>>
>>
>> Maybe:
>>
>>   bvc    .+0x0c
>>
>> ?
>>
>> The '.' is the "current location counter", or at least that's the term 
>> the linker uses...
>>
>>
>> b.g.
>>
>> -- 
>> Bill Gatliff
>> Embedded GNU and Linux development, training
>> bgat@billgatliff.com
>>
>>
>>
>>
>> Ketan Mukadam wrote:
>>
>>>
>>> Hi all,
>>>
>>> I have a ADS macro defined in a file something like this:
>>> =================================> MACRO   Q_ADD  $reg1,$reg2,$reg3
>>>         ADDS    $reg1,  $reg2,  $reg3
>>>         BVC     {pc} + 0x0C    =======================>> Problemetic 
>>> Line
>>>         MVNGT $reg1,    #0x80000000
>>>         MOVLT    $reg1, #0x80000000
>>> MEND
>>> ==================================>
>>> When I try to port the code onto gcc, it gives a linking error as 
>>> "undefined reference to pc"
>>> I tried many alternatives but was not successful.
>>>
>>> Can anyone tell me how this be changed to suit gcc??
>>>
>>> TIA
>>> 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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>>
>>
>>
>>
>> ------
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>> <!DSPAM:3ee5d2c5236412010075190>
> 
> 
> "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
> 
> ------
> Want more information?  See the CrossGCC FAQ, 
> http://www.objsw.com/CrossGCC/
> Want to unsubscribe? Send a note to crossgcc-unsubscribe@sources.redhat.com
> 


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