diff options
Diffstat (limited to 'tools/lib/bpf/btf.c')
| -rw-r--r-- | tools/lib/bpf/btf.c | 34 |
1 files changed, 13 insertions, 21 deletions
diff --git a/tools/lib/bpf/btf.c b/tools/lib/bpf/btf.c index 2d14f1a52d7a..d88647da2c7f 100644 --- a/tools/lib/bpf/btf.c +++ b/tools/lib/bpf/btf.c @@ -1225,8 +1225,6 @@ int btf__load_into_kernel(struct btf *btf) return btf_load_into_kernel(btf, NULL, 0, 0); } -int btf__load(struct btf *) __attribute__((alias("btf__load_into_kernel"))); - int btf__fd(const struct btf *btf) { return btf->fd; @@ -4644,20 +4642,17 @@ static int btf_dedup_remap_types(struct btf_dedup *d) */ struct btf *btf__load_vmlinux_btf(void) { - struct { - const char *path_fmt; - bool raw_btf; - } locations[] = { + const char *locations[] = { /* try canonical vmlinux BTF through sysfs first */ - { "/sys/kernel/btf/vmlinux", true /* raw BTF */ }, - /* fall back to trying to find vmlinux ELF on disk otherwise */ - { "/boot/vmlinux-%1$s" }, - { "/lib/modules/%1$s/vmlinux-%1$s" }, - { "/lib/modules/%1$s/build/vmlinux" }, - { "/usr/lib/modules/%1$s/kernel/vmlinux" }, - { "/usr/lib/debug/boot/vmlinux-%1$s" }, - { "/usr/lib/debug/boot/vmlinux-%1$s.debug" }, - { "/usr/lib/debug/lib/modules/%1$s/vmlinux" }, + "/sys/kernel/btf/vmlinux", + /* fall back to trying to find vmlinux on disk otherwise */ + "/boot/vmlinux-%1$s", + "/lib/modules/%1$s/vmlinux-%1$s", + "/lib/modules/%1$s/build/vmlinux", + "/usr/lib/modules/%1$s/kernel/vmlinux", + "/usr/lib/debug/boot/vmlinux-%1$s", + "/usr/lib/debug/boot/vmlinux-%1$s.debug", + "/usr/lib/debug/lib/modules/%1$s/vmlinux", }; char path[PATH_MAX + 1]; struct utsname buf; @@ -4667,15 +4662,12 @@ struct btf *btf__load_vmlinux_btf(void) uname(&buf); for (i = 0; i < ARRAY_SIZE(locations); i++) { - snprintf(path, PATH_MAX, locations[i].path_fmt, buf.release); + snprintf(path, PATH_MAX, locations[i], buf.release); - if (access(path, R_OK)) + if (faccessat(AT_FDCWD, path, R_OK, AT_EACCESS)) continue; - if (locations[i].raw_btf) - btf = btf__parse_raw(path); - else - btf = btf__parse_elf(path, NULL); + btf = btf__parse(path, NULL); err = libbpf_get_error(btf); pr_debug("loading kernel BTF '%s': %d\n", path, err); if (err) |