linux-kernel - [PATCH 4/6] UML - memcpy export needs to follow host declaration

lists.openwall.net		lists / announce owl-users owl-dev john-users john-dev passwdqc-users yescrypt popa3d-users / oss-security kernel-hardening musl sabotage tlsify passwords / crypt-dev xvendor / Bugtraq Full-Disclosure linux-kernel linux-netdev linux-ext4 linux-hardening linux-cve-announce PHC
Open Source and information security mailing list archives

Hash Suite: Windows password security audit tool. GUI, reports in PDF.

[<prev] [next>] [day] [month] [year] [list]

Message-ID: <20080603190237.GA9517@c2.user-mode-linux.org>
Date:	Tue, 3 Jun 2008 15:02:37 -0400
From:	Jeff Dike <jdike@...toit.com>
To:	Andrew Morton <akpm@...l.org>, LKML <linux-kernel@...r.kernel.org>,
	uml-devel <user-mode-linux-devel@...ts.sourceforge.net>
Cc:	Gabriel C <nix.or.die@...glemail.com>
Subject: [PATCH 4/6] UML - memcpy export needs to follow host declaration

x86_64 defines either memcpy or __memcpy depending on the gcc version,
and it looks like UML needs to follow that in its exporting.

Cc: Gabriel C <nix.or.die@...glemail.com>
Signed-off-by: Jeff Dike <jdike@...ux.intel.com>
---
 arch/um/sys-x86_64/ksyms.c |    4 ++++
 1 file changed, 4 insertions(+)

Index: linux-2.6-git/arch/um/sys-x86_64/ksyms.c
===================================================================
--- linux-2.6-git.orig/arch/um/sys-x86_64/ksyms.c	2008-05-28 12:32:34.000000000 -0400
+++ linux-2.6-git/arch/um/sys-x86_64/ksyms.c	2008-06-02 15:49:43.000000000 -0400
@@ -3,5 +3,9 @@
 #include <asm/checksum.h>
 
 /*XXX: we need them because they would be exported by x86_64 */
+#if (__GNUC__ == 4 && __GNUC_MINOR__ >= 3) || __GNUC__ > 4
+EXPORT_SYMBOL(memcpy);
+#else
 EXPORT_SYMBOL(__memcpy);
+#endif
 EXPORT_SYMBOL(csum_partial);
--
To unsubscribe from this list: send the line "unsubscribe linux-kernel" in
the body of a message to majordomo@...r.kernel.org
More majordomo info at  http://vger.kernel.org/majordomo-info.html
Please read the FAQ at  http://www.tux.org/lkml/