Re: [Lightning] Bus error on OSX

[Paolo Bonzini]

On Sun, Jun 27, 2010 at 21:20, Mathieu Suen <address@hidden> wrote:
> Hi,
>
> I tried the example from the documentation on OSX.
> But when I run it I got a "Bus error".
>
> ---
> #include <lightning.h>
> #include <stdio.h>
>
> static jit_insn codeBuffer[1024];
>
> typedef int (*pifi)(int);
>
> int main ()
> {
>        pifi  incr = (pifi) (jit_set_ip(codeBuffer).iptr);
>        int   in;
>
>        jit_leaf(1);                     /*      leaf  1             */
>        in = jit_arg_i();                /* in = arg_i               */
>        jit_getarg_i(JIT_R0, in);        /*      getarg_i R0         */
>        jit_addi_i(JIT_RET, JIT_R0, 1);  /*      addi_i   RET, R0, 1 */
>        jit_ret();                       /*      ret                 */
>
>        jit_flush_code(codeBuffer, jit_get_ip().ptr);
>
>        /* call the generated code, passing 5 as an argument */
>        printf("%d + 1 = %d\n", 5, incr(5));
>        return 0;
>
> }
> ---
>
> I guess I am not getting the right instruction since I have no compile error.
> So I force 32 bit compilation and it work.
>
> Is there no support for x86-64 architecture?

x86-64 definitely works under Linux. The ABI is different, so it is
possible that it has problems under Mac OS X.

Paolo