blob: fba2ae28b776f83d604a067214ac1a89ce04f107 [file] [log] [blame]
/* GDC -- D front-end for GCC
Copyright (C) 2013-2021 Free Software Foundation, Inc.
GCC is free software; you can redistribute it and/or modify it under
the terms of the GNU General Public License as published by the Free
Software Foundation; either version 3, or (at your option) any later
version.
GCC is distributed in the hope that it will be useful, but WITHOUT ANY
WARRANTY; without even the implied warranty of MERCHANTABILITY or
FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License
for more details.
You should have received a copy of the GNU General Public License
along with GCC; see the file COPYING3. If not see
<http://www.gnu.org/licenses/>.
*/
/* This module provides the C main() function supplied by the user's program. */
module __entrypoint;
extern(C):
/* The D main() function supplied by the user's program
It always has `_Dmain` symbol name and uses C calling convention.
But D frontend returns its type as `extern(D)` because of Issue 9028.
As we need to deal with actual calling convention we have to mark it
as `extern(C)` and use its symbol name.
*/
int _Dmain(char[][] args);
int _d_run_main(int argc, char **argv, void* mainFunc);
/* Substitutes for the C main() function. Just calls into d_run_main with
the default main function. Applications are free to implement their own
main function and call the _d_run_main function themselves with any main
function.
*/
int main(int argc, char **argv)
{
return _d_run_main(argc, argv, &_Dmain);
}
/* This is apparently needed on Solaris because the C tool chain seems to
expect the main function to be called _main. It needs both not just one!
*/
version (Solaris)
int _main(int argc, char** argv)
{
return main(argc, argv);
}