kernel_optimize_test/arch/score/kernel/vmlinux.lds.S
Jiang Liu ae49b83dca score: normalize global variables exported by vmlinux.lds
Generate mandatory global variables _sdata in file vmlinux.lds.

Signed-off-by: Jiang Liu <jiang.liu@huawei.com>
Cc: Chen Liqin <liqin.chen@sunplusct.com>
Cc: Lennox Wu <lennox.wu@gmail.com>
Signed-off-by: Andrew Morton <akpm@linux-foundation.org>
Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
2013-07-03 16:07:34 -07:00

91 lines
2.2 KiB
ArmAsm

/*
* arch/score/kernel/vmlinux.lds.S
*
* Score Processor version.
*
* Copyright (C) 2009 Sunplus Core Technology Co., Ltd.
* Chen Liqin <liqin.chen@sunplusct.com>
* Lennox Wu <lennox.wu@sunplusct.com>
*
* This program is free software; you can redistribute it and/or modify
* it under the terms of the GNU General Public License as published by
* the Free Software Foundation; either version 2 of the License, or
* (at your option) any later version.
*
* This program is distributed in the hope that it will be useful,
* but WITHOUT ANY WARRANTY; without even the implied warranty of
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
* GNU General Public License for more details.
*
* You should have received a copy of the GNU General Public License
* along with this program; if not, see the file COPYING, or write
* to the Free Software Foundation, Inc.,
* 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA
*/
#include <asm-generic/vmlinux.lds.h>
#include <asm/thread_info.h>
#include <asm/page.h>
OUTPUT_ARCH(score)
ENTRY(_stext)
jiffies = jiffies_64;
SECTIONS
{
. = CONFIG_MEMORY_START + 0x2000;
/* read-only */
.text : {
_text = .; /* Text and read-only data */
TEXT_TEXT
SCHED_TEXT
LOCK_TEXT
KPROBES_TEXT
*(.text.*)
*(.fixup)
. = ALIGN (4) ;
_etext = .; /* End of text section */
}
. = ALIGN(16);
_sdata = .; /* Start of data section */
RODATA
EXCEPTION_TABLE(16)
RW_DATA_SECTION(32, PAGE_SIZE, THREAD_SIZE)
/* We want the small data sections together, so single-instruction offsets
can access them all, and initialized data all before uninitialized, so
we can shorten the on-disk segment size. */
. = ALIGN(8);
.sdata : {
*(.sdata)
}
_edata = .; /* End of data section */
/* will be freed after init */
. = ALIGN(PAGE_SIZE); /* Init code and data */
__init_begin = .;
INIT_TEXT_SECTION(PAGE_SIZE)
INIT_DATA_SECTION(16)
/* .exit.text is discarded at runtime, not link time, to deal with
* references from .rodata
*/
.exit.text : {
EXIT_TEXT
}
.exit.data : {
EXIT_DATA
}
. = ALIGN(PAGE_SIZE);
__init_end = .;
/* freed after init ends here */
BSS_SECTION(0, 0, 0)
_end = .;
}