/* go-main.c -- the main function for a Go program. Copyright 2009 The Go Authors. All rights reserved. Use of this source code is governed by a BSD-style license that can be found in the LICENSE file. */ #include "config.h" #include #include #ifdef HAVE_FPU_CONTROL_H #include #endif #include "go-alloc.h" #include "array.h" #include "go-signal.h" #include "go-string.h" #include "runtime.h" #include "malloc.h" #undef int #undef char #undef unsigned /* The main function for a Go program. This records the command line parameters, calls the real main function, and returns a zero status if the real main function returns. */ extern char **environ; extern struct __go_open_array Args asm ("libgo_os.os.Args"); extern struct __go_open_array Envs asm ("libgo_os.os.Envs"); /* These functions are created for the main package. */ extern void __go_init_main (void); extern void real_main (void) asm ("main.main"); /* The main function. */ int main (int argc, char **argv) { int i; struct __go_string *values; runtime_mallocinit (); __go_gc_goroutine_init (&argc); Args.__count = argc; Args.__capacity = argc; values = __go_alloc (argc * sizeof (struct __go_string)); for (i = 0; i < argc; ++i) { values[i].__data = (unsigned char *) argv[i]; values[i].__length = __builtin_strlen (argv[i]); } Args.__values = values; for (i = 0; environ[i] != NULL; ++i) ; Envs.__count = i; Envs.__capacity = i; values = __go_alloc (i * sizeof (struct __go_string)); for (i = 0; environ[i] != NULL; ++i) { values[i].__data = (unsigned char *) environ[i]; values[i].__length = __builtin_strlen (environ[i]); } Envs.__values = values; __initsig (); #if defined(HAVE_SRANDOM) srandom ((unsigned int) time (NULL)); #else srand ((unsigned int) time (NULL)); #endif __go_init_main (); __go_enable_gc (); real_main (); return 0; }