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libbpf: Fix sym->st_value print on 32-bit arches

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The st_value field is a 64-bit value and causing this error on 32-bit arches:

In file included from libbpf.c:52:
libbpf.c: In function 'bpf_program__record_reloc':
libbpf_internal.h:59:22: error: format '%lu' expects argument of type 'long unsigned int', but argument 3 has type 'Elf64_Addr' {aka 'const long long unsigned int'} [-Werror=format=]

Fix it with (__u64) cast.

Fixes: 1f8e2bcb2c ("libbpf: Refactor relocation handling")
Reported-by: Arnaldo Carvalho de Melo <acme@redhat.com>
Signed-off-by: Alexei Starovoitov <ast@kernel.org>
This commit is contained in:
Alexei Starovoitov 2019-11-27 17:46:56 -08:00
parent 1fd450f992
commit 7c3977d1e8
1 changed files with 1 additions and 1 deletions
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2
tools/lib/bpf/libbpf.c
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@ -1817,7 +1817,7 @@ static int bpf_program__record_reloc(struct bpf_program *prog,
return -LIBBPF_ERRNO__RELOC;
}
if (sym->st_value % 8) {
pr_warn("bad call relo offset: %lu\n", sym->st_value);
pr_warn("bad call relo offset: %llu\n", (__u64)sym->st_value);
return -LIBBPF_ERRNO__RELOC;
}
reloc_desc->type = RELO_CALL;