diff options
| author | Andrii Nakryiko <andriin@fb.com> | 2019-12-14 04:47:07 +0300 |
|---|---|---|
| committer | Alexei Starovoitov <ast@kernel.org> | 2019-12-16 03:41:12 +0300 |
| commit | ac9d1389631a4bee0df47e50d6bee8b94230759d (patch) | |
| tree | e2b99905083d68668279be7f4bfc94e711708d04 | |
| parent | f7c0bbf27ec699ec6462751f5e5450c38be4c980 (diff) | |
| download | linux-ac9d1389631a4bee0df47e50d6bee8b94230759d.tar.xz | |
libbpf: Extract internal map names into constants
Instead of duplicating string literals, keep them in one place and consistent.
Signed-off-by: Andrii Nakryiko <andriin@fb.com>
Signed-off-by: Alexei Starovoitov <ast@kernel.org>
Link: https://lore.kernel.org/bpf/20191214014710.3449601-2-andriin@fb.com
| -rw-r--r-- | tools/lib/bpf/libbpf.c | 23 |
1 files changed, 14 insertions, 9 deletions
diff --git a/tools/lib/bpf/libbpf.c b/tools/lib/bpf/libbpf.c index a1a902fa6e0c..f6c135869701 100644 --- a/tools/lib/bpf/libbpf.c +++ b/tools/lib/bpf/libbpf.c @@ -195,6 +195,10 @@ struct bpf_program { __u32 prog_flags; }; +#define DATA_SEC ".data" +#define BSS_SEC ".bss" +#define RODATA_SEC ".rodata" + enum libbpf_map_type { LIBBPF_MAP_UNSPEC, LIBBPF_MAP_DATA, @@ -203,9 +207,9 @@ enum libbpf_map_type { }; static const char * const libbpf_type_to_btf_name[] = { - [LIBBPF_MAP_DATA] = ".data", - [LIBBPF_MAP_BSS] = ".bss", - [LIBBPF_MAP_RODATA] = ".rodata", + [LIBBPF_MAP_DATA] = DATA_SEC, + [LIBBPF_MAP_BSS] = BSS_SEC, + [LIBBPF_MAP_RODATA] = RODATA_SEC, }; struct bpf_map { @@ -736,13 +740,13 @@ int bpf_object__section_size(const struct bpf_object *obj, const char *name, *size = 0; if (!name) { return -EINVAL; - } else if (!strcmp(name, ".data")) { + } else if (!strcmp(name, DATA_SEC)) { if (obj->efile.data) *size = obj->efile.data->d_size; - } else if (!strcmp(name, ".bss")) { + } else if (!strcmp(name, BSS_SEC)) { if (obj->efile.bss) *size = obj->efile.bss->d_size; - } else if (!strcmp(name, ".rodata")) { + } else if (!strcmp(name, RODATA_SEC)) { if (obj->efile.rodata) *size = obj->efile.rodata->d_size; } else { @@ -1684,10 +1688,10 @@ static int bpf_object__elf_collect(struct bpf_object *obj) name, obj->path, cp); return err; } - } else if (strcmp(name, ".data") == 0) { + } else if (strcmp(name, DATA_SEC) == 0) { obj->efile.data = data; obj->efile.data_shndx = idx; - } else if (strcmp(name, ".rodata") == 0) { + } else if (strcmp(name, RODATA_SEC) == 0) { obj->efile.rodata = data; obj->efile.rodata_shndx = idx; } else { @@ -1717,7 +1721,8 @@ static int bpf_object__elf_collect(struct bpf_object *obj) obj->efile.reloc_sects[nr_sects].shdr = sh; obj->efile.reloc_sects[nr_sects].data = data; - } else if (sh.sh_type == SHT_NOBITS && strcmp(name, ".bss") == 0) { + } else if (sh.sh_type == SHT_NOBITS && + strcmp(name, BSS_SEC) == 0) { obj->efile.bss = data; obj->efile.bss_shndx = idx; } else { |