libc-bottom-half/crt/crt1-command.c

   1 #include <wasi/api.h>
   2 #include <stdlib.h>
   3 extern void __wasm_call_ctors(void);
   4 extern int __main_void(void);
   5 extern void __wasm_call_dtors(void);
   6
   7 __attribute__((export_name("_start")))
   8 void _start(void) {
   9     // Call `__main_void` which will either be the application's zero-argument
  10     // `__main_void` function or a libc routine which obtains the command-line
  11     // arguments and calls `__main_argv_argc`.
  12     int r = __main_void();
  13
  14     // If main exited successfully, just return, otherwise call `exit`.
  15     if (r != 0) {
  16         exit(r);
  17     }
  18 }