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
111
112
113
114
115
116
117
118
119
120
121
122
123
124
125
126
127
128
129
130
131
132
133
|
#include "defs.h"
#if defined(LINUX)
#include <fcntl.h>
#include <sys/stat.h>
#include <sys/time.h>
#include <sys/wait.h>
#include <sys/resource.h>
#include <sys/utsname.h>
#include <sys/user.h>
#include <sys/syscall.h>
#include <signal.h>
#include <linux/module.h>
static struct xlat which[] = {
{ 0, "0" },
{ QM_MODULES, "QM_MODULES" },
{ QM_DEPS, "QM_DEPS" },
{ QM_REFS, "QM_REFS" },
{ QM_SYMBOLS, "QM_SYMBOLS" },
{ QM_INFO, "QM_INFO" },
{ 0, NULL },
};
static struct xlat modflags[] = {
{ MOD_UNINITIALIZED, "MOD_UNINITIALIZED" },
{ MOD_RUNNING, "MOD_RUNNING" },
{ MOD_DELETED, "MOD_DELETED" },
{ MOD_AUTOCLEAN, "MOD_AUTOCLEAN" },
{ MOD_VISITED, "MOD_VISITED" },
{ MOD_USED_ONCE, "MOD_USED_ONCE" },
{ MOD_JUST_FREED, "MOD_JUST_FREED" },
{ 0, NULL },
};
int
sys_query_module(tcp)
struct tcb *tcp;
{
if (exiting(tcp)) {
printstr(tcp, tcp->u_arg[0], -1);
tprintf(", ");
printxval(which, tcp->u_arg[1], "QM_???");
tprintf(", ");
if (!verbose(tcp)) {
tprintf("%#lx, %lu, %#lx", tcp->u_arg[2], tcp->u_arg[3], tcp->u_arg[4]);
} else if (tcp->u_rval!=0) {
size_t ret;
umove(tcp, tcp->u_arg[4], &ret);
tprintf("%#lx, %lu, %d", tcp->u_arg[2], tcp->u_arg[3], ret);
} else if (tcp->u_arg[1]==QM_INFO) {
struct module_info mi;
size_t ret;
umove(tcp, tcp->u_arg[2], &mi);
tprintf("{address=%#lx, size=%lu, flags=", mi.addr, mi.size);
printflags(modflags, mi.flags);
tprintf(", usecount=%lu}", mi.usecount);
umove(tcp, tcp->u_arg[4], &ret);
tprintf(", %d", ret);
} else if ((tcp->u_arg[1]==QM_MODULES) ||
(tcp->u_arg[1]==QM_DEPS) ||
(tcp->u_arg[1]==QM_REFS)) {
size_t ret;
umove(tcp, tcp->u_arg[4], &ret);
tprintf("{");
if (!abbrev(tcp)) {
char* data = (char*)malloc(tcp->u_arg[3]);
char* mod = data;
size_t idx;
umoven(tcp, tcp->u_arg[2], tcp->u_arg[3], data);
for (idx=0; idx<ret; idx++) {
if (idx!=0)
tprintf(",");
tprintf(mod);
mod+=strlen(mod)+1;
}
free(data);
} else
tprintf(" /* %d entries */ ", ret);
tprintf("}, %d", ret);
} else if (tcp->u_arg[1]==QM_SYMBOLS) {
size_t ret;
umove(tcp, tcp->u_arg[4], &ret);
tprintf("{");
if (!abbrev(tcp)) {
char* data = (char *)malloc(tcp->u_arg[3]);
struct module_symbol* sym = (struct module_symbol*)data;
size_t idx;
umoven(tcp, tcp->u_arg[2], tcp->u_arg[3], data);
for (idx=0; idx<ret; idx++) {
tprintf("{name=%s, value=%lu} ", data+(long)sym->name, sym->value);
sym++;
}
free(data);
} else
tprintf(" /* %d entries */ ", ret);
tprintf("}, %d", ret);
} else {
printstr(tcp, tcp->u_arg[2], tcp->u_arg[3]);
tprintf(", %#lx", tcp->u_arg[4]);
}
}
return 0;
}
int
sys_create_module(tcp)
struct tcb *tcp;
{
if (entering(tcp)) {
printpath(tcp, tcp->u_arg[0]);
tprintf(", %lu", tcp->u_arg[1]);
}
return RVAL_HEX;
}
int
sys_init_module(tcp)
struct tcb *tcp;
{
if (entering(tcp)) {
printpath(tcp, tcp->u_arg[0]);
tprintf(", %#lx", tcp->u_arg[1]);
}
return 0;
}
#endif /* LINUX */
|