Thread (20 messages) 20 messages, 4 authors, 2021-03-29

Re: [PATCH v4 bpf-next 07/12] libbpf: add BPF static linker BTF and BTF.ext support

From: Jiri Olsa <hidden>
Date: 2021-03-19 18:58:54
Also in: bpf

On Fri, Mar 19, 2021 at 11:39:01AM -0700, Andrii Nakryiko wrote:
On Fri, Mar 19, 2021 at 9:23 AM Jiri Olsa [off-list ref] wrote:
quoted
On Thu, Mar 18, 2021 at 12:40:31PM -0700, Andrii Nakryiko wrote:

SNIP
quoted
+
+     return NULL;
+}
+
+static int linker_fixup_btf(struct src_obj *obj)
+{
+     const char *sec_name;
+     struct src_sec *sec;
+     int i, j, n, m;
+
+     n = btf__get_nr_types(obj->btf);
hi,
I'm getting bpftool crash when building tests,

looks like above obj->btf can be NULL:
I lost if (!obj->btf) return 0; somewhere along the rebases. I'll send
a fix shortly. But how did you end up with selftests BPF objects built
without BTF?
no idea.. I haven't even updated llvm for almost 3 days now ;-)

jirka
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