Re: [Nasm-devel] Override extern with global for header files

[suresh b. <k_s...@ya...>]

Hi Lars,

We can do it.  externdef as  a user-level directive for the extern primitive directive.

regards,
sureshbk.



On Saturday, October 18, 2014 4:46 PM, Lars Maier <lar...@te...> wrote:
 


Okay. So why we don't just introduce externdef as keyword?

This would be less work, than caching the extern definitions and
      wait for their redefinition.


Am 13.10.2014 um 02:03 schrieb suresh babu:

Yes right exactly and thanks for more clear clarification.
>
>
>
>
>On Sunday, October 12, 2014 8:17 AM, anonymous coward <nas...@us...> wrote:
> 
>
>
>>> You mean like MASM's EXTERNDEF?
>>>
>>> http://msdn.microsoft.com/en-us/library/91sxd44w.aspx
>>
>> To make it clear, here is an example:
>>
>> myfunc.inc:
>>
>> %define MY_FUNC_FLAG_A    0x0001
>> %define MY_FUNC_FLAG_B    0x0002
>> [...]
>>
>> ; myfunc(param1, param2) : result
>> ; this function does something and returns a value
                of it
>> [extern myfunc]
>>
>>
>> myfunc.asm:
>> %include 'include/myfunc.inc'
>> [global myfunc]
>>
>> section .code
>>
>> myfunc:
>>      push ebp
>>      mov ebp, esp
>>      mov eax, [ebp+0x08]
>>      test eax, MY_FUNC_FLAG_A
>>      jnz .flagA
>> [...]
>>
>>
>> otherfile.asm
>> %include 'include/myfunc.inc'
>>
>> section .code
>>
>>    push 0
>>    push MY_FUNC_FLAG_A
>>    call myfunc
>
>Yup, that's the EXTERNDEF behavior.
>
>You should called it that.
>
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