From mboxrd@z Thu Jan 1 00:00:00 1970 From: Tim Abbott Subject: [PATCH v2 2/6] Add new NOSAVE_DATA linker script macro. Date: Thu, 30 Apr 2009 15:54:09 -0400 Message-ID: <1241121253-32341-3-git-send-email-tabbott@mit.edu> References: <1241121253-32341-1-git-send-email-tabbott@mit.edu> <1241121253-32341-2-git-send-email-tabbott@mit.edu> Reply-To: microblaze-uclinux-rVRm/Wmeqae7NGdpmJTKYQ@public.gmane.org Return-path: In-Reply-To: <1241121253-32341-2-git-send-email-tabbott-3s7WtUTddSA@public.gmane.org> Sender: owner-microblaze-uclinux-FR6EJeJVuqfA6Z3fQjNZrN9u6TNh0Fb7@public.gmane.org To: Sam Ravnborg Cc: Linux kernel mailing list , Anders Kaseorg , Waseem Daher , Denys Vlasenko , Jeff Arnold , Benjamin Herrenschmidt , Bryan Wu , Chris Zankel , Cyrill Gorcunov , David Howells , "David S. Miller" , dev-etrax-VrBV9hrLPhE@public.gmane.org, Geert Uytterhoeven , Greg Ungerer , Haavard Skinnemoen , Heiko Carstens , Helge Deller , Hirokazu Takata , "H. Peter Anvin" , Ingo Molnar , Jeff Dike List-Id: linux-m68k@vger.kernel.org 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