Book a Demo!
CoCalc Logo Icon
StoreFeaturesDocsShareSupportNewsAboutPoliciesSign UpSign In
torvalds
GitHub Repository: torvalds/linux
Path: blob/master/tools/build/feature/test-libdw.c
26288 views
1
// SPDX-License-Identifier: GPL-2.0
2
#include <stdlib.h>
3
#include <dwarf.h>
4
#include <elfutils/libdw.h>
5
#include <elfutils/libdwfl.h>
6
#include <elfutils/version.h>
7
8
int test_libdw(void)
9
{
10
Dwarf *dbg = dwarf_begin(0, DWARF_C_READ);
11
12
return dbg == NULL;
13
}
14
15
int test_libdw_unwind(void)
16
{
17
/*
18
* This function is guarded via: __nonnull_attribute__ (1, 2).
19
* Passing '1' as arguments value. This code is never executed,
20
* only compiled.
21
*/
22
dwfl_thread_getframes((void *) 1, (void *) 1, NULL);
23
return 0;
24
}
25
26
int test_libdw_getlocations(void)
27
{
28
Dwarf_Addr base, start, end;
29
Dwarf_Attribute attr;
30
Dwarf_Op *op;
31
size_t nops;
32
ptrdiff_t offset = 0;
33
34
return (int)dwarf_getlocations(&attr, offset, &base, &start, &end, &op, &nops);
35
}
36
37
int test_libdw_getcfi(void)
38
{
39
Dwarf *dwarf = NULL;
40
41
return dwarf_getcfi(dwarf) == NULL;
42
}
43
44
int test_elfutils(void)
45
{
46
Dwarf_CFI *cfi = NULL;
47
48
dwarf_cfi_end(cfi);
49
return 0;
50
}
51
52
int main(void)
53
{
54
return test_libdw() + test_libdw_unwind() + test_libdw_getlocations() +
55
test_libdw_getcfi() + test_elfutils();
56
}
57
58