| /* GDC -- D front-end for GCC |
| Copyright (C) 2013-2018 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); |
| } |
| |