Return-Path: Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1754719Ab3JVQNK (ORCPT ); Tue, 22 Oct 2013 12:13:10 -0400 Received: from mga02.intel.com ([134.134.136.20]:61399 "EHLO mga02.intel.com" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1754665Ab3JVQNE (ORCPT ); Tue, 22 Oct 2013 12:13:04 -0400 X-ExtLoop1: 1 X-IronPort-AV: E=Sophos;i="4.93,535,1378882800"; d="scan'208";a="396828247" From: Andi Kleen To: akpm@linux-foundation.org Cc: linux-kernel@vger.kernel.org, Andi Kleen , rusty@rustcorp.com.au Subject: [PATCH 07/11] asmlinkage, module: Make ksymtab and kcrctab symbols and __this_module __visible Date: Tue, 22 Oct 2013 09:12:22 -0700 Message-Id: <1382458346-24811-8-git-send-email-andi@firstfloor.org> X-Mailer: git-send-email 1.8.3.1 In-Reply-To: <1382458346-24811-1-git-send-email-andi@firstfloor.org> References: <1382458346-24811-1-git-send-email-andi@firstfloor.org> Sender: linux-kernel-owner@vger.kernel.org List-ID: X-Mailing-List: linux-kernel@vger.kernel.org Content-Length: 2281 Lines: 56 From: Andi Kleen Make the ksymtab symbols for EXPORT_SYMBOL visible. This prevents the LTO compiler from adding a .NUMBER prefix, which avoids various problems in later export processing. Cc: rusty@rustcorp.com.au Signed-off-by: Andi Kleen --- include/linux/export.h | 4 ++-- scripts/mod/modpost.c | 2 +- 2 files changed, 3 insertions(+), 3 deletions(-) diff --git a/include/linux/export.h b/include/linux/export.h index 412cd50..3f2793d 100644 --- a/include/linux/export.h +++ b/include/linux/export.h @@ -43,7 +43,7 @@ extern struct module __this_module; /* Mark the CRC weak since genksyms apparently decides not to * generate a checksums for some symbols */ #define __CRC_SYMBOL(sym, sec) \ - extern void *__crc_##sym __attribute__((weak)); \ + extern __visible void *__crc_##sym __attribute__((weak)); \ static const unsigned long __kcrctab_##sym \ __used \ __attribute__((section("___kcrctab" sec "+" #sym), unused)) \ @@ -59,7 +59,7 @@ extern struct module __this_module; static const char __kstrtab_##sym[] \ __attribute__((section("__ksymtab_strings"), aligned(1))) \ = VMLINUX_SYMBOL_STR(sym); \ - static const struct kernel_symbol __ksymtab_##sym \ + __visible const struct kernel_symbol __ksymtab_##sym \ __used \ __attribute__((section("___ksymtab" sec "+" #sym), unused)) \ = { (unsigned long)&sym, __kstrtab_##sym } diff --git a/scripts/mod/modpost.c b/scripts/mod/modpost.c index 8247979..0971bac 100644 --- a/scripts/mod/modpost.c +++ b/scripts/mod/modpost.c @@ -1853,7 +1853,7 @@ static void add_header(struct buffer *b, struct module *mod) buf_printf(b, "\n"); buf_printf(b, "MODULE_INFO(vermagic, VERMAGIC_STRING);\n"); buf_printf(b, "\n"); - buf_printf(b, "struct module __this_module\n"); + buf_printf(b, "__visible struct module __this_module\n"); buf_printf(b, "__attribute__((section(\".gnu.linkonce.this_module\"))) = {\n"); buf_printf(b, "\t.name = KBUILD_MODNAME,\n"); if (mod->has_init) -- 1.8.3.1 -- 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/