90 lines
1.9 KiB
C
90 lines
1.9 KiB
C
|
/* 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 <stdlib.h>
|
||
|
|
#include <time.h>
|
||
|
|
|
||
|
|
#ifdef HAVE_FPU_CONTROL_H
|
||
|
|
#include <fpu_control.h>
|
||
|
|
#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;
|
||
|
|
}
|