AcoSail/kernel_optimize_test
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modpost: refactor sech_name()

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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>
This commit is contained in:
Masahiro Yamada 2020-05-25 14:47:05 +09:00
parent d2e4d05cf1
commit 565587d8d5
1 changed files with 11 additions and 12 deletions
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23
scripts/mod/modpost.c
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@ -288,18 +288,6 @@ static enum export export_no(const char *s)
return export_unknown; 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, static void *sym_get_data_by_offset(const struct elf_info *info,
unsigned int secindex, unsigned long offset) 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); 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) #define strstarts(str, prefix) (strncmp(str, prefix, strlen(prefix)) == 0)
static enum export export_from_secname(struct elf_info *elf, unsigned int sec) static enum export export_from_secname(struct elf_info *elf, unsigned int sec)