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authorDavid S. Miller <[email protected]>2020-07-13 18:04:05 -0700
committerDavid S. Miller <[email protected]>2020-07-13 18:04:05 -0700
commit07dd1b7e68e4b83a1004b14dffd7e142c0bc79bd (patch)
tree06a5898494308d55fcecbb3dff647d93c01afe47 /tools/lib/bpf/btf_dump.c
parentbfe4c40333065639cf0f364b8ea9e93270781699 (diff)
parent8afb259a9840fa953efb9a7835356a083ac8ec74 (diff)
Merge git://git.kernel.org/pub/scm/linux/kernel/git/bpf/bpf-next
Alexei Starovoitov says: ==================== pull-request: bpf-next 2020-07-13 The following pull-request contains BPF updates for your *net-next* tree. We've added 36 non-merge commits during the last 7 day(s) which contain a total of 62 files changed, 2242 insertions(+), 468 deletions(-). The main changes are: 1) Avoid trace_printk warning banner by switching bpf_trace_printk to use its own tracing event, from Alan. 2) Better libbpf support on older kernels, from Andrii. 3) Additional AF_XDP stats, from Ciara. 4) build time resolution of BTF IDs, from Jiri. 5) BPF_CGROUP_INET_SOCK_RELEASE hook, from Stanislav. ==================== Signed-off-by: David S. Miller <[email protected]>
Diffstat (limited to 'tools/lib/bpf/btf_dump.c')
-rw-r--r--tools/lib/bpf/btf_dump.c10
1 files changed, 8 insertions, 2 deletions
diff --git a/tools/lib/bpf/btf_dump.c b/tools/lib/bpf/btf_dump.c
index bbb430317260..e1c344504cae 100644
--- a/tools/lib/bpf/btf_dump.c
+++ b/tools/lib/bpf/btf_dump.c
@@ -60,6 +60,7 @@ struct btf_dump {
const struct btf_ext *btf_ext;
btf_dump_printf_fn_t printf_fn;
struct btf_dump_opts opts;
+ bool strip_mods;
/* per-type auxiliary state */
struct btf_dump_type_aux_state *type_states;
@@ -1032,7 +1033,9 @@ int btf_dump__emit_type_decl(struct btf_dump *d, __u32 id,
fname = OPTS_GET(opts, field_name, "");
lvl = OPTS_GET(opts, indent_level, 0);
+ d->strip_mods = OPTS_GET(opts, strip_mods, false);
btf_dump_emit_type_decl(d, id, fname, lvl);
+ d->strip_mods = false;
return 0;
}
@@ -1045,6 +1048,10 @@ static void btf_dump_emit_type_decl(struct btf_dump *d, __u32 id,
stack_start = d->decl_stack_cnt;
for (;;) {
+ t = btf__type_by_id(d->btf, id);
+ if (d->strip_mods && btf_is_mod(t))
+ goto skip_mod;
+
err = btf_dump_push_decl_stack_id(d, id);
if (err < 0) {
/*
@@ -1056,12 +1063,11 @@ static void btf_dump_emit_type_decl(struct btf_dump *d, __u32 id,
d->decl_stack_cnt = stack_start;
return;
}
-
+skip_mod:
/* VOID */
if (id == 0)
break;
- t = btf__type_by_id(d->btf, id);
switch (btf_kind(t)) {
case BTF_KIND_PTR:
case BTF_KIND_VOLATILE: