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path: root/tools/lib/bpf/libbpf_probes.c
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Diffstat (limited to 'tools/lib/bpf/libbpf_probes.c')
-rw-r--r--tools/lib/bpf/libbpf_probes.c43
1 files changed, 28 insertions, 15 deletions
diff --git a/tools/lib/bpf/libbpf_probes.c b/tools/lib/bpf/libbpf_probes.c
index bccf4bb747e1..e40819465ddc 100644
--- a/tools/lib/bpf/libbpf_probes.c
+++ b/tools/lib/bpf/libbpf_probes.c
@@ -218,18 +218,10 @@ int libbpf_probe_bpf_prog_type(enum bpf_prog_type prog_type, const void *opts)
return libbpf_err(ret);
}
-int libbpf__load_raw_btf(const char *raw_types, size_t types_len,
- const char *str_sec, size_t str_len,
- int token_fd)
+int libbpf__load_raw_btf_hdr(const struct btf_header *hdr, const char *raw_types,
+ const char *str_sec, const char *layout_sec,
+ int token_fd)
{
- struct btf_header hdr = {
- .magic = BTF_MAGIC,
- .version = BTF_VERSION,
- .hdr_len = sizeof(struct btf_header),
- .type_len = types_len,
- .str_off = types_len,
- .str_len = str_len,
- };
LIBBPF_OPTS(bpf_btf_load_opts, opts,
.token_fd = token_fd,
.btf_flags = token_fd ? BPF_F_TOKEN_FD : 0,
@@ -237,14 +229,16 @@ int libbpf__load_raw_btf(const char *raw_types, size_t types_len,
int btf_fd, btf_len;
__u8 *raw_btf;
- btf_len = hdr.hdr_len + hdr.type_len + hdr.str_len;
+ btf_len = hdr->hdr_len + hdr->type_off + hdr->type_len + hdr->str_len + hdr->layout_len;
raw_btf = malloc(btf_len);
if (!raw_btf)
return -ENOMEM;
- memcpy(raw_btf, &hdr, sizeof(hdr));
- memcpy(raw_btf + hdr.hdr_len, raw_types, hdr.type_len);
- memcpy(raw_btf + hdr.hdr_len + hdr.type_len, str_sec, hdr.str_len);
+ memcpy(raw_btf, hdr, sizeof(*hdr));
+ memcpy(raw_btf + hdr->hdr_len + hdr->type_off, raw_types, hdr->type_len);
+ memcpy(raw_btf + hdr->hdr_len + hdr->str_off, str_sec, hdr->str_len);
+ if (layout_sec)
+ memcpy(raw_btf + hdr->hdr_len + hdr->layout_off, layout_sec, hdr->layout_len);
btf_fd = bpf_btf_load(raw_btf, btf_len, &opts);
@@ -252,6 +246,22 @@ int libbpf__load_raw_btf(const char *raw_types, size_t types_len,
return btf_fd;
}
+int libbpf__load_raw_btf(const char *raw_types, size_t types_len,
+ const char *str_sec, size_t str_len,
+ int token_fd)
+{
+ struct btf_header hdr = {
+ .magic = BTF_MAGIC,
+ .version = BTF_VERSION,
+ .hdr_len = sizeof(struct btf_header),
+ .type_len = types_len,
+ .str_off = types_len,
+ .str_len = str_len,
+ };
+
+ return libbpf__load_raw_btf_hdr(&hdr, raw_types, str_sec, NULL, token_fd);
+}
+
static int load_local_storage_btf(void)
{
const char strs[] = "\0bpf_spin_lock\0val\0cnt\0l";
@@ -299,6 +309,9 @@ static int probe_map_create(enum bpf_map_type map_type)
value_size = sizeof(__u64);
opts.map_flags = BPF_F_NO_PREALLOC;
break;
+ case BPF_MAP_TYPE_RHASH:
+ opts.map_flags = BPF_F_NO_PREALLOC;
+ break;
case BPF_MAP_TYPE_CGROUP_STORAGE:
case BPF_MAP_TYPE_PERCPU_CGROUP_STORAGE:
key_size = sizeof(struct bpf_cgroup_storage_key);