Oh, yes, and I did try to use .globl in the asm file but it doesn't like
it...
test.asm:4:Error [179] Unknown opcode ".globl"
Is there a different directive to define _asmtest as global ?
Thanks,
Alan.
On Thu, 2010-11-11 at 13:04 +0000, Alan Hourihane wrote:
> Hi,
>
> I'm having trouble linking C and assembly routines together and getting
> missing definitions. Here's the sample code....
>
> main.c
>
> extern void asmtest(void);
>
> main()
> {
> asmtest();
>
> return 0;
> }
>
> and test.asm
>
> list PE=18f2420
> include "p18f2420.inc"
>
> code 0x100
> _asmtest
> bra _asmtest
>
> end
>
> Now if I compile things as so...
>
> gpasm -c test.asm
>
> then...
>
> sdcc -mpic16 -p18f2420 -o test main.c test.o
>
> I get this output from sdcc....
>
> message: using default linker script
> "/usr/share/gputils/lkr/18f2420.lkr"
> error: missing definition for symbol "_asmtest", required by "main.o"
>
> Is there a declaration I'm missing someplace as I thought asmtest should
> work ?
>
> Thanks,
>
> Alan.
>
>
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