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