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Starting a simulation from a foreign program

You main run your design from an external program. You just have to call the ghdl_main function which can be defined:

in C:

extern int ghdl_main (int argc, char **argv);

in Ada:

with System;
...
function Ghdl_Main (Argc : Integer; Argv : System.Address)
   return Integer;
pragma import (C, Ghdl_Main, "ghdl_main");

This function must be called once, and returns 0 at the end of the simulation. In case of failure, this function does not return. This has to be fixed.