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authorMasahiro Yamada <masahiroy@kernel.org>2020-05-25 08:47:05 +0300
committerMasahiro Yamada <masahiroy@kernel.org>2020-05-28 21:08:49 +0300
commit565587d8d5b518234652063820561587fc269c11 (patch)
treef4f7b5db837c2722e8e423021fac55d79c47e9eb /scripts/mod/modpost.c
parentd2e4d05cf1a1f8bfe168ea29b217355be7a4e9ec (diff)
downloadlinux-565587d8d5b518234652063820561587fc269c11.tar.xz
modpost: refactor sech_name()
Use sym_get_data_by_offset() helper to get access to the .shstrtab section data. No functional change is intended because elf->sechdrs[elf->secindex_strings].sh_addr is 0 for both ET_REL and ET_EXEC object types. Signed-off-by: Masahiro Yamada <masahiroy@kernel.org>
Diffstat (limited to 'scripts/mod/modpost.c')
-rw-r--r--scripts/mod/modpost.c23
1 files changed, 11 insertions, 12 deletions
diff --git a/scripts/mod/modpost.c b/scripts/mod/modpost.c
index 8c5f1bd75481..160139508821 100644
--- a/scripts/mod/modpost.c
+++ b/scripts/mod/modpost.c
@@ -288,18 +288,6 @@ static enum export export_no(const char *s)
return export_unknown;
}
-static const char *sech_name(struct elf_info *elf, Elf_Shdr *sechdr)
-{
- return (void *)elf->hdr +
- elf->sechdrs[elf->secindex_strings].sh_offset +
- sechdr->sh_name;
-}
-
-static const char *sec_name(struct elf_info *elf, int secindex)
-{
- return sech_name(elf, &elf->sechdrs[secindex]);
-}
-
static void *sym_get_data_by_offset(const struct elf_info *info,
unsigned int secindex, unsigned long offset)
{
@@ -317,6 +305,17 @@ static void *sym_get_data(const struct elf_info *info, const Elf_Sym *sym)
sym->st_value);
}
+static const char *sech_name(const struct elf_info *info, Elf_Shdr *sechdr)
+{
+ return sym_get_data_by_offset(info, info->secindex_strings,
+ sechdr->sh_name);
+}
+
+static const char *sec_name(const struct elf_info *info, int secindex)
+{
+ return sech_name(info, &info->sechdrs[secindex]);
+}
+
#define strstarts(str, prefix) (strncmp(str, prefix, strlen(prefix)) == 0)
static enum export export_from_secname(struct elf_info *elf, unsigned int sec)