linux-kernel - any value in centralizing common 32/64 x86 content in vmlinux.lds.S?

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Message-ID: <alpine.LFD.0.9999.0712020301180.29501@localhost.localdomain>
Date:	Sun, 2 Dec 2007 03:08:58 -0500 (EST)
From:	"Robert P. J. Day" <rpjday@...shcourse.ca>
To:	Linux Kernel Mailing List <linux-kernel@...r.kernel.org>
Subject: any value in centralizing common 32/64 x86 content in
 vmlinux.lds.S?

  given the amount of common content between
arch/x86/kernel/vmlinux_32.lds.S and arch/x86/kernel/vmlinux_64.lds.S,
what about just defining macros for some of that stuff in
arch/x86/kernel/vmlinux.lds.S and cutting down on all the duplication?

  as is done in include/asm-generic/vmlinux.lds.S, why not just
define some handy macros, like:

#define INITRAMFS(align)					\
	. = ALIGN(align);					\
	.init.ramfs : AT(ADDR(.init.ramfs) - LOAD_OFFSET) {	\
	__initramfs_start = .;					\
	*(.init.ramfs)						\
	__initramfs_end = .;					\
	}

or something similar.

  i'm guessing there's a fair amount of content like that that can be
coalesced, no?  it would also standardize some of the niggling
differences between some of that content between the two files.

rday

========================================================================
Robert P. J. Day
Linux Consulting, Training and Annoying Kernel Pedantry
Waterloo, Ontario, CANADA

http://crashcourse.ca
========================================================================
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