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
|
/*
* libfdt - Flat Device Tree manipulation
* Test labels within values
* Copyright (C) 2008 David Gibson, IBM Corporation.
*
* This library is free software; you can redistribute it and/or
* modify it under the terms of the GNU Lesser General Public License
* as published by the Free Software Foundation; either version 2.1 of
* the License, or (at your option) any later version.
*
* This library is distributed in the hope that it will be useful, but
* WITHOUT ANY WARRANTY; without even the implied warranty of
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
* Lesser General Public License for more details.
*
* You should have received a copy of the GNU Lesser General Public
* License along with this library; if not, write to the Free Software
* Foundation, Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA
*/
#include <stdlib.h>
#include <stdio.h>
#include <string.h>
#include <stdint.h>
#include <errno.h>
#include <dlfcn.h>
#include <libfdt.h>
#include "tests.h"
#include "testdata.h"
struct val_label {
const char *labelname;
int propoff;
};
struct val_label labels1[] = {
{ "start1", 0 },
{ "mid1", 2 },
{ "end1", -1 },
};
struct val_label labels2[] = {
{ "start2", 0 },
{ "innerstart2", 0 },
{ "innermid2", 4 },
{ "innerend2", -1 },
{ "end2", -1 },
};
struct val_label labels3[] = {
{ "start3", 0 },
{ "innerstart3", 0 },
{ "innermid3", 1 },
{ "innerend3", -1 },
{ "end3", -1 },
};
static void check_prop_labels(void *sohandle, void *fdt, const char *name,
const struct val_label* labels, int n)
{
const struct fdt_property *prop;
const char *p;
int len;
int i;
prop = fdt_get_property(fdt, 0, name, &len);
if (!prop)
FAIL("Couldn't locate property \"%s\"", name);
p = dlsym(sohandle, name);
if (!p)
FAIL("Couldn't locate label symbol \"%s\"", name);
if (p != (const char *)prop)
FAIL("Label \"%s\" does not point to correct property", name);
for (i = 0; i < n; i++) {
int off = labels[i].propoff;
if (off == -1)
off = len;
p = dlsym(sohandle, labels[i].labelname);
if (!p)
FAIL("Couldn't locate label symbol \"%s\"", name);
if ((p - prop->data) != off)
FAIL("Label \"%s\" points to offset %ld instead of %d"
"in property \"%s\"", labels[i].labelname,
(long)(p - prop->data), off, name);
}
}
int main(int argc, char *argv[])
{
void *sohandle;
void *fdt;
int err;
test_init(argc, argv);
if (argc != 2)
CONFIG("Usage: %s <so file>", argv[0]);
sohandle = dlopen(argv[1], RTLD_NOW);
if (!sohandle)
FAIL("Couldn't dlopen() %s", argv[1]);
fdt = dlsym(sohandle, "dt_blob_start");
if (!fdt)
FAIL("Couldn't locate \"dt_blob_start\" symbol in %s",
argv[1]);
err = fdt_check_header(fdt);
if (err != 0)
FAIL("%s contains invalid tree: %s", argv[1],
fdt_strerror(err));
check_prop_labels(sohandle, fdt, "prop1", labels1, ARRAY_SIZE(labels1));
check_prop_labels(sohandle, fdt, "prop2", labels2, ARRAY_SIZE(labels2));
check_prop_labels(sohandle, fdt, "prop3", labels3, ARRAY_SIZE(labels3));
PASS();
}
|
