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
|
#include <dlfcn.h> /* dlopen, dlsym */
#include <stddef.h> /* NULL */
#include <stdio.h> /* fprintf */
#include <stdlib.h> /* getenv */
void *dlmopen(long lmid, const char *pathname, int mode)
{
if (getenv("GLIBC_FAKE_DEBUG") != NULL) {
fprintf(stderr,
"loading library %s was requested in namespace %ld",
pathname, lmid);
}
return dlopen(pathname, mode);
}
void *dlvsym(void *handle, char *symbol, char *version)
{
if (getenv("GLIBC_FAKE_DEBUG") != NULL) {
fprintf(stderr, "symbol %s with version %s is being redirected",
symbol, version);
}
return dlsym(handle, symbol);
}
int dladdr1(const void *addr, Dl_info *info, void **extra_info, int flags)
{
if (getenv("GLIBC_FAKE_DEBUG") != NULL) {
fprintf(stderr, "request info of %p with flags %d", addr,
flags);
}
switch (flags) {
case 1 /* RTLD_DL_SYMEMT */:
case 2 /* RTLD_DL_LINKMAP */:
return 0;
default:
return dladdr(addr, info);
}
}
|
