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author | Masahiro Yamada <yamada.masahiro@socionext.com> | 2019-11-14 20:42:22 +0300 |
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committer | Masahiro Yamada <yamada.masahiro@socionext.com> | 2019-11-23 06:44:24 +0300 |
commit | e84f9fbbece1585f45a03ccc11eeabe121cadc1b (patch) | |
tree | 8fcbd511a90a6bf6b986b1fc101c151c86353923 /scripts/mod/modpost.c | |
parent | afa0459daa7b08c7b2c879705b69d39b734a11d0 (diff) | |
download | linux-e84f9fbbece1585f45a03ccc11eeabe121cadc1b.tar.xz |
modpost: refactor namespace_from_kstrtabns() to not hard-code section name
Currently, namespace_from_kstrtabns() relies on the fact that
namespace strings are recorded in the __ksymtab_strings section.
Actually, it is coded in include/linux/export.h, but modpost does
not need to hard-code the section name.
Elf_Sym::st_shndx holds the index of the relevant section. Using it is
a more portable way to get the namespace string.
Make namespace_from_kstrtabns() simply call sym_get_data(), and delete
the info->ksymtab_strings .
While I was here, I added more 'const' qualifiers to pointers.
Signed-off-by: Masahiro Yamada <yamada.masahiro@socionext.com>
Diffstat (limited to 'scripts/mod/modpost.c')
-rw-r--r-- | scripts/mod/modpost.c | 10 |
1 files changed, 3 insertions, 7 deletions
diff --git a/scripts/mod/modpost.c b/scripts/mod/modpost.c index cd885573daaf..d9418c58a8c0 100644 --- a/scripts/mod/modpost.c +++ b/scripts/mod/modpost.c @@ -356,10 +356,10 @@ static enum export export_from_sec(struct elf_info *elf, unsigned int sec) return export_unknown; } -static const char *namespace_from_kstrtabns(struct elf_info *info, - Elf_Sym *kstrtabns) +static const char *namespace_from_kstrtabns(const struct elf_info *info, + const Elf_Sym *sym) { - char *value = info->ksymtab_strings + kstrtabns->st_value; + const char *value = sym_get_data(info, sym); return value[0] ? value : NULL; } @@ -601,10 +601,6 @@ static int parse_elf(struct elf_info *info, const char *filename) info->export_unused_gpl_sec = i; else if (strcmp(secname, "__ksymtab_gpl_future") == 0) info->export_gpl_future_sec = i; - else if (strcmp(secname, "__ksymtab_strings") == 0) - info->ksymtab_strings = (void *)hdr + - sechdrs[i].sh_offset - - sechdrs[i].sh_addr; if (sechdrs[i].sh_type == SHT_SYMTAB) { unsigned int sh_link_idx; |