1627f7eb2Smrg/* GDC -- D front-end for GCC 2*4c3eb207Smrg Copyright (C) 2013-2020 Free Software Foundation, Inc. 3627f7eb2Smrg 4627f7eb2Smrg GCC is free software; you can redistribute it and/or modify it under 5627f7eb2Smrg the terms of the GNU General Public License as published by the Free 6627f7eb2Smrg Software Foundation; either version 3, or (at your option) any later 7627f7eb2Smrg version. 8627f7eb2Smrg 9627f7eb2Smrg GCC is distributed in the hope that it will be useful, but WITHOUT ANY 10627f7eb2Smrg WARRANTY; without even the implied warranty of MERCHANTABILITY or 11627f7eb2Smrg FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License 12627f7eb2Smrg for more details. 13627f7eb2Smrg 14627f7eb2Smrg You should have received a copy of the GNU General Public License 15627f7eb2Smrg along with GCC; see the file COPYING3. If not see 16627f7eb2Smrg <http://www.gnu.org/licenses/>. 17627f7eb2Smrg*/ 18627f7eb2Smrg 19627f7eb2Smrg/* This module provides the C main() function supplied by the user's program. */ 20627f7eb2Smrg 21627f7eb2Smrgmodule __entrypoint; 22627f7eb2Smrg 23627f7eb2Smrgextern(C): 24627f7eb2Smrg 25627f7eb2Smrg/* The D main() function supplied by the user's program 26627f7eb2Smrg 27627f7eb2Smrg It always has `_Dmain` symbol name and uses C calling convention. 28627f7eb2Smrg But D frontend returns its type as `extern(D)` because of Issue 9028. 29627f7eb2Smrg As we need to deal with actual calling convention we have to mark it 30627f7eb2Smrg as `extern(C)` and use its symbol name. 31627f7eb2Smrg*/ 32627f7eb2Smrg 33627f7eb2Smrgint _Dmain(char[][] args); 34627f7eb2Smrgint _d_run_main(int argc, char **argv, void* mainFunc); 35627f7eb2Smrg 36627f7eb2Smrg/* Substitutes for the C main() function. Just calls into d_run_main with 37627f7eb2Smrg the default main function. Applications are free to implement their own 38627f7eb2Smrg main function and call the _d_run_main function themselves with any main 39627f7eb2Smrg function. 40627f7eb2Smrg*/ 41627f7eb2Smrg 42627f7eb2Smrgint main(int argc, char **argv) 43627f7eb2Smrg{ 44627f7eb2Smrg return _d_run_main(argc, argv, &_Dmain); 45627f7eb2Smrg} 46627f7eb2Smrg 47627f7eb2Smrg/* This is apparently needed on Solaris because the C tool chain seems to 48627f7eb2Smrg expect the main function to be called _main. It needs both not just one! 49627f7eb2Smrg*/ 50627f7eb2Smrg 51627f7eb2Smrgversion (Solaris) 52627f7eb2Smrgint _main(int argc, char** argv) 53627f7eb2Smrg{ 54627f7eb2Smrg return main(argc, argv); 55627f7eb2Smrg} 56627f7eb2Smrg 57