From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: Received: from biscayne-one-station.mit.edu (BISCAYNE-ONE-STATION.MIT.EDU [18.7.7.80]) (using TLSv1 with cipher DHE-RSA-AES256-SHA (256/256 bits)) (Client did not present a certificate) by ozlabs.org (Postfix) with ESMTPS id 955DBDDF59 for ; Fri, 1 May 2009 05:36:15 +1000 (EST) From: Tim Abbott To: Sam Ravnborg Subject: [PATCH 2/6] Add new NOSAVE_DATA linker script macro. Date: Thu, 30 Apr 2009 15:32:32 -0400 Message-Id: <1241119956-31453-3-git-send-email-tabbott@mit.edu> In-Reply-To: <1241119956-31453-2-git-send-email-tabbott@mit.edu> References: <1241119956-31453-1-git-send-email-tabbott@mit.edu> <1241119956-31453-2-git-send-email-tabbott@mit.edu> Cc: linux-mips@linux-mips.org, linux-m68k@vger.kernel.org, linux-ia64@vger.kernel.org, linux-sh@vger.kernel.org, Denys Vlasenko , Greg Ungerer , Jeff Arnold , linuxppc-dev@ozlabs.org, Paul Mackerras , "H. Peter Anvin" , sparclinux@vger.kernel.org, Sam Ravnborg , Waseem Daher , linux-arm-kernel@lists.arm.linux.org.uk, linux-s390@vger.kernel.org, Jesper Nilsson , linux-am33-list@redhat.com, Yoshinori Sato , Helge Deller , Ingo Molnar , Geert Uytterhoeven , microblaze-uclinux@itee.uq.edu.au, Russell King , user-mode-linux-devel@lists.sourceforge.net, Heiko Carstens , Jeff Dike , dev-etrax@axis.com, Mikael Starvik , Tony Luck , Tim Abbott , Cyrill Gorcunov , Michal Simek , Richard Henderson , Chris Zankel , Bryan Wu , linux-m32r@ml.linux-m32r.org, linux-parisc@vger.kernel.org, Haavard Skinnemoen , Hirokazu Takata , Ralf Baechle , Anders Kaseorg , Kyle McMartin , Paul Mundt , Thomas Gleixner , linux-alpha@vger.kernel.org, Martin Schwidefsky , uclinux-dist-devel@blackfin.uclinux.org, Linus Torvalds , "David S. Miller" List-Id: Linux on PowerPC Developers Mail List List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , This patch is preparation for replacing most ".data.nosave" in the kernel with macros, so that the section name can later be changed without having to touch a lot of the kernel. The long-term goal here is to be able to change the kernel's magic section names to those that are compatible with -ffunction-sections -fdata-sections. This requires renaming all magic sections with names of the form ".data.foo". Signed-off-by: Tim Abbott Cc: Sam Ravnborg --- include/asm-generic/vmlinux.lds.h | 7 +++++++ 1 files changed, 7 insertions(+), 0 deletions(-) diff --git a/include/asm-generic/vmlinux.lds.h b/include/asm-generic/vmlinux.lds.h index 3d88c87..f5ebd2b 100644 --- a/include/asm-generic/vmlinux.lds.h +++ b/include/asm-generic/vmlinux.lds.h @@ -124,6 +124,13 @@ . = ALIGN(PAGE_SIZE); \ *(.bss.page_aligned) +#define NOSAVE_DATA \ + . = ALIGN(PAGE_SIZE); \ + __nosave_begin = .; \ + *(.data.nosave) \ + . = ALIGN(PAGE_SIZE); \ + __nosave_end = .; + #define RO_DATA(align) \ . = ALIGN((align)); \ .rodata : AT(ADDR(.rodata) - LOAD_OFFSET) { \ -- 1.6.2.1