[Libjit-developers] My second attempt at libjit.

[manoloohara]

My second attempt.
It doesn't compile and again, I don't know why.
Thank you so much for your pacience.

Here is the code:

#include <stdio.h>
#include <jit/jit-plus.h>


class register_class
{
private: jit_ubyte msb,lsb;

public: void msb_write(jit_ubyte new_value)
     {msb=new_value;     }

jit_ubyte *msb_address(void)
     {return (&msb);     }

void lsb_write(jit_ubyte new_value)
     {lsb=new_value;     }

jit_ubyte *lsb_address(void)
     {return (&lsb);}

     void print(void)
     {printf("msb= %d lsb=%d\n",msb,lsb);
     }
};


class ld_zero_function : public jit_function
{
public: register_class AX;

     jit_function_t function;
     
     ld_zero_function(jit_context& context) : jit_function(context)
      {create();}

     void print(void);
     
protected:
     virtual jit_type_t create_signature();
     virtual void build();
};

void ld_zero_function::print(void)
     {AX.print();}


jit_type_t ld_zero_function::create_signature()
{     return signature_helper (jit_type_void, end_params);
     // Return type, terminated with "end_params".
}

void ld_zero_function::build()
{// Put 0 in AX.msb;
jit_value_t zero_ubyte,y,temp1;
jit_type_t type_ptr_ubyte;
AX.msb_write(1); //AX.msb=1
AX.lsb_write(2); //AX.lsb=2
type_ptr_ubyte=jit_type_create_pointer(jit_type_ubyte,1);
//y=address of AX.msb
y=jit_value_create_nint_constant(jit_function_t(),type_ptr_ubyte,(jit_nint)AX.msb_address());
//zero_ubyte= constant 0
zero_ubyte=jit_value_create_nint_constant(jit_function_t(),jit_type_ubyte,(jit_ubyte)0);
//(y+0)=zero_byte
temp1=jit_insn_store_relative(jit_function_t(),y,(jit_nint)(0),zero_ubyte);

};

int main(int argc, char **argv)
{ void *dummy_args[0];
     // Create a context to hold the JIT's primary state.
     jit_context context;

     // Create the function object.
     ld_zero_function ld_zero(context);

     // Execute the function.
     ld_zero.apply(dummy_args,dummy_args);
     // Print AX
ld_zero.print(); //it MUST print msb=0 lsb=2
     /* Finished */
     return 0;
}





_______________________________________________
No banners. No pop-ups. No kidding.
Make My Way your home on the Web - http://www.myway.com