Return-Path: Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1752107AbaBHIGc (ORCPT ); Sat, 8 Feb 2014 03:06:32 -0500 Received: from mga02.intel.com ([134.134.136.20]:8677 "EHLO mga02.intel.com" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1751374AbaBHICH (ORCPT ); Sat, 8 Feb 2014 03:02:07 -0500 X-ExtLoop1: 1 X-IronPort-AV: E=Sophos;i="4.95,805,1384329600"; d="scan'208";a="451784211" From: Andi Kleen To: linux-kernel@vger.kernel.org Cc: linux-kbuild@vger.kernel.org, x86@kernel.org, Andi Kleen Subject: [PATCH 08/17] Kbuild, lto: Drop .number postfixes in modpost Date: Sat, 8 Feb 2014 09:01:12 +0100 Message-Id: <1391846481-31491-8-git-send-email-ak@linux.intel.com> X-Mailer: git-send-email 1.8.5.2 In-Reply-To: <1391846481-31491-1-git-send-email-ak@linux.intel.com> References: <1391846481-31491-1-git-send-email-ak@linux.intel.com> Sender: linux-kernel-owner@vger.kernel.org List-ID: X-Mailing-List: linux-kernel@vger.kernel.org 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 --- 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; -- 1.8.5.2 -- To unsubscribe from this list: send the line "unsubscribe linux-kernel" in the body of a message to majordomo@vger.kernel.org More majordomo info at http://vger.kernel.org/majordomo-info.html Please read the FAQ at http://www.tux.org/lkml/