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libbpf: Fix build on ppc64le architecture
On ppc64le we get the following warning: In file included from btf_dump.c:16:0: btf_dump.c: In function ‘btf_dump_emit_struct_def’: ../include/linux/kernel.h:20:17: error: comparison of distinct pointer types lacks a cast [-Werror] (void) (&_max1 == &_max2); \ ^ btf_dump.c:882:11: note: in expansion of macro ‘max’ m_sz = max(0LL, btf__resolve_size(d->btf, m->type)); ^~~ Fix by explicitly casting to __s64, which is a return type from btf__resolve_size(). Fixes: 702eddc77a90 ("libbpf: Handle GCC built-in types for Arm NEON") Signed-off-by: Andrii Nakryiko <andriin@fb.com> Signed-off-by: Alexei Starovoitov <ast@kernel.org> Link: https://lore.kernel.org/bpf/20200818164456.1181661-1-andriin@fb.com
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@ -879,7 +879,7 @@ static void btf_dump_emit_struct_def(struct btf_dump *d,
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btf_dump_printf(d, ": %d", m_sz);
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off = m_off + m_sz;
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} else {
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m_sz = max(0LL, btf__resolve_size(d->btf, m->type));
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m_sz = max((__s64)0, btf__resolve_size(d->btf, m->type));
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off = m_off + m_sz * 8;
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}
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btf_dump_printf(d, ";");
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