blob: 1fc640c858e075c160c491b363aadc7c81a7fe18 (
plain)
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
|
/* $OpenBSD: uthread_machdep.c,v 1.1 2000/09/25 05:44:13 d Exp $ */
/* David Leonard, <d@csee.uq.edu.au>. Public domain. */
/*
* Machine-dependent thread state functions for OpenBSD/alpha
*/
#include <pthread.h>
#include "pthread_private.h"
#define ALIGNBYTES 15
struct frame {
long ra;
long s[7];
long t12;
long fs[8];
};
/*
* Given a stack and an entry function, initialise a state
* structure that can be later switched to.
*/
void
_thread_machdep_init(statep, base, len, entry)
struct _machdep_state* statep;
void *base;
int len;
void (*entry)(void);
{
struct frame *f;
f = (struct frame *)(((long)base + len - sizeof *f) & ~ALIGNBYTES);
f->ra = f->t12 = (long)entry;
statep->sp = (long)f;
}
void
_thread_machdep_save_float_state(statep)
struct _machdep_state* statep;
{
}
void
_thread_machdep_restore_float_state(statep)
struct _machdep_state* statep;
{
}
|
