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
|
#include <stdio.h>
#include <stdlib.h>
#include <string.h>
#ifdef DLOPEN_FUNC_DIR
#include <dlfcn.h>
#endif
int __llvm_profile_runtime = 0;
int __llvm_profile_write_file();
void __llvm_profile_reset_counters(void);
void __llvm_profile_initialize_file(void);
struct __llvm_profile_data;
struct ValueProfData;
void lprofMergeValueProfData(struct ValueProfData *, struct __llvm_profile_data *);
/* Force the vp merger module to be linked in. */
void *Dummy = &lprofMergeValueProfData;
void callee1() {}
void callee2() {}
typedef void (*FP)(void);
FP Fps[2] = {callee1, callee2};
int main(int argc, char *argv[]) {
__llvm_profile_initialize_file();
__llvm_profile_write_file();
__llvm_profile_reset_counters();
#ifdef DLOPEN_FUNC_DIR
void *Handle = dlopen(DLOPEN_FUNC_DIR "/func.shared", RTLD_NOW);
if (!Handle) {
fprintf(stderr, "unable to open '" DLOPEN_FUNC_DIR "/func.shared': %s\n",
dlerror());
return EXIT_FAILURE;
}
// This tests that lprofMergeValueProfData is not accessed
// from outside a module
void (*SymHandle)(struct ValueProfData *, struct __llvm_profile_data *) =
(void (*)(struct ValueProfData *, struct __llvm_profile_data *))dlsym(
Handle, "lprofMergeValueProfData");
if (SymHandle) {
fprintf(stderr,
"should not be able to lookup symbol 'lprofMergeValueProfData': %s\n",
dlerror());
return EXIT_FAILURE;
}
dlclose(Handle);
#endif
Fps[0]();
Fps[1]();
__llvm_profile_write_file();
__llvm_profile_reset_counters();
return EXIT_SUCCESS;
}
|
