blob: fd5d9031b205d2f36880a08c5c5d77cfa7a7cec0 (
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
49
50
51
52
53
54
55
56
57
58
59
60
61
|
/*
* Copyright (c) 1994 by Xerox Corporation. All rights reserved.
* Copyright (c) 1996 by Silicon Graphics. All rights reserved.
* Copyright (c) 1998 by Fergus Henderson. All rights reserved.
* Copyright (c) 2000-2009 by Hewlett-Packard Development Company.
* All rights reserved.
*
* THIS MATERIAL IS PROVIDED AS IS, WITH ABSOLUTELY NO WARRANTY EXPRESSED
* OR IMPLIED. ANY USE IS AT YOUR OWN RISK.
*
* Permission is hereby granted to use or copy this program
* for any purpose, provided the above notices are retained on all copies.
* Permission to modify the code and to distribute modified code is granted,
* provided the above notices are retained, and a notice that the code was
* modified is included with the above copyright notice.
*/
#ifndef GC_PTHREAD_STOP_WORLD_H
#define GC_PTHREAD_STOP_WORLD_H
EXTERN_C_BEGIN
struct thread_stop_info {
# if !defined(GC_OPENBSD_UTHREADS) && !defined(NACL)
# ifdef GC_ATOMIC_OPS_H
volatile AO_t last_stop_count;
# else
word last_stop_count;
# endif
/* The value of GC_stop_count when the thread */
/* last successfully handled a suspend signal. */
# endif
ptr_t stack_ptr; /* Valid only when stopped. */
# ifdef NACL
/* Grab NACL_GC_REG_STORAGE_SIZE pointers off the stack when */
/* going into a syscall. 20 is more than we need, but it's an */
/* overestimate in case the instrumented function uses any callee */
/* saved registers, they may be pushed to the stack much earlier. */
/* Also, on amd64 'push' puts 8 bytes on the stack even though */
/* our pointers are 4 bytes. */
# ifdef ARM32
/* Space for r4-r8, r10-r12, r14. */
# define NACL_GC_REG_STORAGE_SIZE 9
# else
# define NACL_GC_REG_STORAGE_SIZE 20
# endif
ptr_t reg_storage[NACL_GC_REG_STORAGE_SIZE];
# endif
#if defined(PLATFORM_GC_REG_STORAGE_SIZE)
__uint64_t registers[PLATFORM_GC_REG_STORAGE_SIZE];
#endif
};
GC_INNER void GC_stop_init(void);
EXTERN_C_END
#endif
|
