Helper function to save a BTF object to a file.
Signed-off-by: Mauricio Vásquez <mauricio@xxxxxxxxxx>
Signed-off-by: Rafael David Tinoco <rafael.tinoco@xxxxxxxxxxx>
Signed-off-by: Lorenzo Fontana <lorenzo.fontana@xxxxxxxxxx>
Signed-off-by: Leonardo Di Donato <leonardo.didonato@xxxxxxxxxx>
---
tools/bpf/bpftool/gen.c | 22 ++++++++++++++++++++++
1 file changed, 22 insertions(+)
diff --git a/tools/bpf/bpftool/gen.c b/tools/bpf/bpftool/gen.c
index 7db31b0f265f..64371f466fa6 100644
--- a/tools/bpf/bpftool/gen.c
+++ b/tools/bpf/bpftool/gen.c
@@ -1096,6 +1096,28 @@ static int do_help(int argc, char **argv)
return 0;
}
+static int btf_save_raw(const struct btf *btf, const char *path)
+{
+ const void *data;
+ FILE *f = NULL;
+ __u32 data_sz;
+ int err = 0;
+
+ data = btf__raw_data(btf, &data_sz);
+ if (!data)
+ return -ENOMEM;
+
+ f = fopen(path, "wb");
+ if (!f)
+ return -errno;
+
+ if (fwrite(data, 1, data_sz, f) != data_sz)
+ err = -errno;
+
+ fclose(f);
+ return err;
+}
+
/* Create BTF file for a set of BPF objects */
static int btfgen(const char *src_btf, const char *dst_btf, const char *objspaths[])
{
--
2.25.1
