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
134
135
136
137
138
139
140
141
142
143
144
145
|
/*
* ----------------------------------------------------------------------------
* "THE BEER-WARE LICENSE" (Revision 42):
* <phk@FreeBSD.org> wrote this file. As long as you retain this notice you
* can do whatever you want with this stuff. If we meet some day, and you think
* this stuff is worth it, you can buy me a beer in return. Poul-Henning Kamp
* ----------------------------------------------------------------------------
*
*/
#include <sys/cdefs.h>
__FBSDID("$FreeBSD$");
#include <err.h>
#include <fcntl.h>
#include <kvm.h>
#include <nlist.h>
#include <stdio.h>
#include <stdlib.h>
#include <string.h>
#include <unistd.h>
#include <sys/endian.h>
typedef long long gcov_type;
#define PARAMS(foo) foo
#define ATTRIBUTE_UNUSED __unused
#include "gcov-io.h"
struct bbf {
long checksum;
int arc_count;
u_long name;
};
struct bb {
u_long zero_one;
u_long filename;
u_long counts;
u_long ncounts;
u_long next;
u_long sizeof_bb;
u_long funcs;
};
struct nlist namelist[] = {
{ "bbhead", 0, 0, 0, 0 },
{ NULL, 0, 0, 0, 0 }
};
kvm_t *kv;
int
main(int argc __unused, char **argv __unused)
{
int i, funcs;
u_long l1,l2,l4;
struct bb bb;
struct bbf bbf;
char buf[BUFSIZ], *p;
gcov_type *q, *qr;
FILE *f;
kv = kvm_open(NULL,NULL,NULL,O_RDWR,"dnc");
if (!kv)
err(1,"kvm_open");
i = kvm_nlist(kv,namelist);
if (i)
err(1,"kvm_nlist");
l1 = namelist[0].n_value;
kvm_read(kv,l1,&l2,sizeof l2);
while(l2) {
l1 += sizeof l1;
kvm_read(kv,l2,&bb,sizeof bb);
#if 0
printf("%lx\n%lx\n%lx\n%lx\n%lx\n%lx\n%lx\n",
bb.zero_one, bb.filename, bb.counts, bb.ncounts, bb.next,
bb.sizeof_bb, bb.funcs);
#endif
funcs = 0;
for (l4 = bb.funcs; ; l4 += sizeof (bbf)) {
kvm_read(kv, l4, &bbf, sizeof(bbf));
if (bbf.arc_count == -1)
break;
funcs++;
}
l2 = bb.next;
kvm_read(kv, bb.filename, buf, sizeof(buf));
p = buf;
f = fopen(p, "w");
if (f != NULL) {
printf("Writing \"%s\"\n", p);
} else {
p = strrchr(buf, '/');
if (p == NULL)
p = buf;
else
p++;
printf("Writing \"%s\" (spec \"%s\")\n", p, buf);
f = fopen(p, "w");
}
if (f == NULL)
err(1,"%s", p);
__write_long(-123, f, 4);
__write_long(funcs, f, 4);
__write_long(4 + 8 + 8 + 4 + 8 + 8, f, 4);
__write_long(bb.ncounts, f, 4);
__write_long(0, f, 8);
__write_long(0, f, 8);
__write_long(bb.ncounts, f, 4);
__write_long(0, f, 8);
__write_long(0, f, 8);
qr = malloc(bb.ncounts * 8);
kvm_read(kv, bb.counts, qr, bb.ncounts * 8);
q = qr;
for (l4 = bb.funcs; ; l4 += sizeof (bbf)) {
kvm_read(kv, l4, &bbf, sizeof(bbf));
if (bbf.arc_count == -1)
break;
kvm_read(kv, bbf.name, buf, sizeof(buf));
__write_gcov_string(buf, strlen(buf), f, -1);
__write_long(bbf.checksum, f, 4);
__write_long(bbf.arc_count, f, 4);
for (i = 0; i < bbf.arc_count; i++) {
__write_gcov_type(*q, f, 8);
q++;
}
}
fclose(f);
free(qr);
}
return 0;
}
|
