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
62
63
64
65
66
67
68
69
70
71
72
73
74
75
76
77
78
79
80
81
82
83
84
85
86
87
88
89
90
91
92
93
94
95
96
97
98
99
100
101
102
103
104
105
106
107
108
109
110
|
/* Private header for thread debug library. */
#ifndef _THREAD_DBP_H
#define _THREAD_DBP_H 1
#define __FORCE_GLIBC
#include <features.h>
#include <string.h>
#include <unistd.h>
#include "proc_service.h"
#include "thread_db.h"
#include "internals.h"
/* Indices for the symbol names. */
enum
{
PTHREAD_THREADS_EVENTS = 0,
PTHREAD_LAST_EVENT,
PTHREAD_HANDLES_NUM,
PTHREAD_HANDLES,
PTHREAD_KEYS,
LINUXTHREADS_PTHREAD_THREADS_MAX,
LINUXTHREADS_PTHREAD_KEYS_MAX,
LINUXTHREADS_PTHREAD_SIZEOF_DESCR,
LINUXTHREADS_CREATE_EVENT,
LINUXTHREADS_DEATH_EVENT,
LINUXTHREADS_REAP_EVENT,
LINUXTHREADS_INITIAL_REPORT_EVENTS,
LINUXTHREADS_VERSION,
NUM_MESSAGES
};
/* Comment out the following for less verbose output. */
#ifndef NDEBUG
# define LOG(c) if (__td_debug) __libc_write (2, c "\n", strlen (c "\n"))
extern int __td_debug;
#else
# define LOG(c)
#endif
/* Handle for a process. This type is opaque. */
struct td_thragent
{
/* Delivered by the debugger and we have to pass it back in the
proc callbacks. */
struct ps_prochandle *ph;
/* Some cached information. */
/* Address of the `__pthread_handles' array. */
struct pthread_handle_struct *handles;
/* Address of the `pthread_kyes' array. */
struct pthread_key_struct *keys;
/* Maximum number of threads. */
int pthread_threads_max;
/* Maximum number of thread-local data keys. */
int pthread_keys_max;
/* Size of 2nd level array for thread-local data keys. */
int pthread_key_2ndlevel_size;
/* Sizeof struct _pthread_descr_struct. */
int sizeof_descr;
/* Pointer to the `__pthread_threads_events' variable in the target. */
psaddr_t pthread_threads_eventsp;
/* Pointer to the `__pthread_last_event' variable in the target. */
psaddr_t pthread_last_event;
/* Pointer to the `__pthread_handles_num' variable. */
psaddr_t pthread_handles_num;
};
/* Type used internally to keep track of thread agent descriptors. */
struct agent_list
{
td_thragent_t *ta;
struct agent_list *next;
};
/* List of all known descriptors. */
extern struct agent_list *__td_agent_list;
/* Function used to test for correct thread agent pointer. */
static inline int
ta_ok (const td_thragent_t *ta)
{
struct agent_list *runp = __td_agent_list;
if (ta == NULL)
return 0;
while (runp != NULL && runp->ta != ta)
runp = runp->next;
return runp != NULL;
}
/* Internal wrapper around ps_pglobal_lookup. */
extern int td_lookup (struct ps_prochandle *ps, int idx, psaddr_t *sym_addr);
#endif /* thread_dbP.h */
|
