Commit-ID: 7d02b490e93c199a15b3c4bce1c393588c1300ca
Gitweb: http://git.kernel.org/tip/7d02b490e93c199a15b3c4bce1c393588c1300ca
Author: Andi Kleen <ak@xxxxxxxxxxxxxxx>
AuthorDate: Sat, 8 Feb 2014 09:01:12 +0100
Committer: H. Peter Anvin <hpa@xxxxxxxxxxxxxxx>
CommitDate: Thu, 13 Feb 2014 20:24:58 -0800
Kbuild, lto: Drop .number postfixes in modpost
LTO turns all global symbols effectively into statics. This
has the side effect that they all have a .NUMBER postfix to make
them unique. In modpost drop this postfix because it confuses
it.
Signed-off-by: Andi Kleen <ak@xxxxxxxxxxxxxxx>
Link: http://lkml.kernel.org/r/1391846481-31491-8-git-send-email-ak@xxxxxxxxxxxxxxx
Signed-off-by: H. Peter Anvin <hpa@xxxxxxxxxxxxxxx>
---
scripts/mod/modpost.c | 15 ++++++++++++++-
scripts/mod/modpost.h | 2 +-
2 files changed, 15 insertions(+), 2 deletions(-)
diff --git a/scripts/mod/modpost.c b/scripts/mod/modpost.c
index 1f1b154..f91dd45 100644
--- a/scripts/mod/modpost.c
+++ b/scripts/mod/modpost.c
@@ -1684,6 +1684,19 @@ static void check_sec_ref(struct module *mod, const char *modname,
}
}
+static char *remove_dot(char *s)
+{
+ char *end;
+ int n = strcspn(s, ".");
+
+ if (n > 0 && s[n] != 0) {
+ strtoul(s + n + 1, &end, 10);
+ if (end > s + n + 1 && (*end == '.' || *end == 0))
+ s[n] = 0;
+ }
+ return s;
+}
+
static void read_symbols(char *modname)
{
const char *symname;
@@ -1722,7 +1735,7 @@ static void read_symbols(char *modname)
}
for (sym = info.symtab_start; sym < info.symtab_stop; sym++) {
- symname = info.strtab + sym->st_name;
+ symname = remove_dot(info.strtab + sym->st_name);
handle_modversions(mod, &info, sym, symname);
handle_moddevtable(mod, &info, sym, symname);
diff --git a/scripts/mod/modpost.h b/scripts/mod/modpost.h
index 51207e4..168b43d 100644
--- a/scripts/mod/modpost.h
+++ b/scripts/mod/modpost.h
@@ -127,7 +127,7 @@ struct elf_info {
Elf_Section export_gpl_sec;
Elf_Section export_unused_gpl_sec;
Elf_Section export_gpl_future_sec;
- const char *strtab;
+ char *strtab;
char *modinfo;
unsigned int modinfo_len;
--
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