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path: root/tools/lib/bpf/libbpf.c
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Diffstat (limited to 'tools/lib/bpf/libbpf.c')
-rw-r--r--tools/lib/bpf/libbpf.c21
1 files changed, 14 insertions, 7 deletions
diff --git a/tools/lib/bpf/libbpf.c b/tools/lib/bpf/libbpf.c
index 7bc02d93e277..e2401b95f08d 100644
--- a/tools/lib/bpf/libbpf.c
+++ b/tools/lib/bpf/libbpf.c
@@ -234,6 +234,7 @@ struct bpf_object {
size_t nr_maps;
bool loaded;
+ bool has_pseudo_calls;
/*
* Information when doing elf related work. Only valid if fd
@@ -400,10 +401,6 @@ bpf_object__init_prog_names(struct bpf_object *obj)
const char *name = NULL;
prog = &obj->programs[pi];
- if (prog->idx == obj->efile.text_shndx) {
- name = ".text";
- goto skip_search;
- }
for (si = 0; si < symbols->d_size / sizeof(GElf_Sym) && !name;
si++) {
@@ -426,12 +423,15 @@ bpf_object__init_prog_names(struct bpf_object *obj)
}
}
+ if (!name && prog->idx == obj->efile.text_shndx)
+ name = ".text";
+
if (!name) {
pr_warning("failed to find sym for prog %s\n",
prog->section_name);
return -EINVAL;
}
-skip_search:
+
prog->name = strdup(name);
if (!prog->name) {
pr_warning("failed to allocate memory for prog sym %s\n",
@@ -981,6 +981,7 @@ bpf_program__collect_reloc(struct bpf_program *prog, GElf_Shdr *shdr,
prog->reloc_desc[i].type = RELO_CALL;
prog->reloc_desc[i].insn_idx = insn_idx;
prog->reloc_desc[i].text_off = sym.st_value;
+ obj->has_pseudo_calls = true;
continue;
}
@@ -1426,6 +1427,12 @@ out:
return err;
}
+static bool bpf_program__is_function_storage(struct bpf_program *prog,
+ struct bpf_object *obj)
+{
+ return prog->idx == obj->efile.text_shndx && obj->has_pseudo_calls;
+}
+
static int
bpf_object__load_progs(struct bpf_object *obj)
{
@@ -1433,7 +1440,7 @@ bpf_object__load_progs(struct bpf_object *obj)
int err;
for (i = 0; i < obj->nr_programs; i++) {
- if (obj->programs[i].idx == obj->efile.text_shndx)
+ if (bpf_program__is_function_storage(&obj->programs[i], obj))
continue;
err = bpf_program__load(&obj->programs[i],
obj->license,
@@ -2247,7 +2254,7 @@ int bpf_prog_load_xattr(const struct bpf_prog_load_attr *attr,
bpf_program__set_expected_attach_type(prog,
expected_attach_type);
- if (prog->idx != obj->efile.text_shndx && !first_prog)
+ if (!bpf_program__is_function_storage(prog, obj) && !first_prog)
first_prog = prog;
}