source: mainline/libc/generic/libc.c@ ce5bcb4

lfn serial ticket/834-toolchain-update topic/msim-upgrade topic/simplify-dev-export
Last change on this file since ce5bcb4 was 07d960a, checked in by Jakub Jermar <jakub@…>, 19 years ago

Change linker scripts so that heap a dedicated address space area can be allocated for heap.
This will be essential in separating anonymous memory and memory backed by some other memory object.

  • Property mode set to 100644
File size: 2.0 KB
Line 
1/*
2 * Copyright (C) 2005 Martin Decky
3 * All rights reserved.
4 *
5 * Redistribution and use in source and binary forms, with or without
6 * modification, are permitted provided that the following conditions
7 * are met:
8 *
9 * - Redistributions of source code must retain the above copyright
10 * notice, this list of conditions and the following disclaimer.
11 * - Redistributions in binary form must reproduce the above copyright
12 * notice, this list of conditions and the following disclaimer in the
13 * documentation and/or other materials provided with the distribution.
14 * - The name of the author may not be used to endorse or promote products
15 * derived from this software without specific prior written permission.
16 *
17 * THIS SOFTWARE IS PROVIDED BY THE AUTHOR ``AS IS'' AND ANY EXPRESS OR
18 * IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES
19 * OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED.
20 * IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR ANY DIRECT, INDIRECT,
21 * INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT
22 * NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
23 * DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
24 * THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
25 * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF
26 * THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
27 */
28
29#include <libc.h>
30#include <unistd.h>
31#include <thread.h>
32#include <malloc.h>
33#include <psthread.h>
34#include <io/stream.h>
35#include <ipc/ipc.h>
36#include <async.h>
37#include <as.h>
38
39extern char _heap;
40
41void _exit(int status) {
42 thread_exit(status);
43}
44
45void __main(void) {
46 psthread_data_t *pt;
47
48 (void) as_area_create(&_heap, 1, AS_AREA_WRITE | AS_AREA_READ);
49 _async_init();
50 pt = psthread_setup();
51 __tcb_set(pt->tcb);
52}
53
54void __io_init(void) {
55 open("stdin", 0);
56 open("stdout", 0);
57 open("stderr", 0);
58}
59
60void __exit(void) {
61 psthread_teardown(__tcb_get()->pst_data);
62 _exit(0);
63}
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