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test-libdw.c

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linux-6.19.14/tools/build/feature/test-libdw.c C
 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
 8int test_libdw(void)
 9{
10	Dwarf *dbg = dwarf_begin(0, DWARF_C_READ);
11
12	return dbg == NULL;
13}
14
15int 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
26int 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
37int test_libdw_getcfi(void)
38{
39	Dwarf *dwarf = NULL;
40
41	return dwarf_getcfi(dwarf) == NULL;
42}
43
44int test_elfutils(void)
45{
46	Dwarf_CFI *cfi = NULL;
47
48	dwarf_cfi_end(cfi);
49	return 0;
50}
51
52int main(void)
53{
54	return test_libdw() + test_libdw_unwind() + test_libdw_getlocations() +
55	       test_libdw_getcfi() + test_elfutils();
56}
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