blob: 1602373e539cf72adc4176635f4364b4c6376c96 [file] [log] [blame]
Linus Torvalds1da177e2005-04-16 15:20:36 -07001/* ld script to make ARM Linux kernel
2 * taken from the i386 version by Russell King
3 * Written by Martin Mares <mj@atrey.karlin.mff.cuni.cz>
4 */
5
6#include <asm-generic/vmlinux.lds.h>
Russell King4f7a1812005-05-05 13:11:00 +01007#include <asm/thread_info.h>
Nicolas Pitre37d07b72005-10-29 21:44:56 +01008#include <asm/memory.h>
Linus Torvalds1da177e2005-04-16 15:20:36 -07009
10OUTPUT_ARCH(arm)
11ENTRY(stext)
Nicolas Pitre37d07b72005-10-29 21:44:56 +010012
Linus Torvalds1da177e2005-04-16 15:20:36 -070013#ifndef __ARMEB__
14jiffies = jiffies_64;
15#else
16jiffies = jiffies_64 + 4;
17#endif
Nicolas Pitre37d07b72005-10-29 21:44:56 +010018
Linus Torvalds1da177e2005-04-16 15:20:36 -070019SECTIONS
20{
Russell King9d4f13e2006-01-03 17:28:33 +000021#ifdef CONFIG_XIP_KERNEL
22 . = XIP_VIRT_ADDR(CONFIG_XIP_PHYS_ADDR);
23#else
24 . = PAGE_OFFSET + TEXT_OFFSET;
25#endif
Russell King08fdffd2007-05-08 15:15:45 +010026 .text.head : {
Linus Torvalds1da177e2005-04-16 15:20:36 -070027 _stext = .;
Russell King08fdffd2007-05-08 15:15:45 +010028 _sinittext = .;
29 *(.text.head)
30 }
31
32 .init : { /* Init code and data */
Sam Ravnborg01ba2bd2008-01-20 14:15:03 +010033 INIT_TEXT
Russell King08fdffd2007-05-08 15:15:45 +010034 _einittext = .;
Linus Torvalds1da177e2005-04-16 15:20:36 -070035 __proc_info_begin = .;
Ben Dooks02b7dd12005-09-20 16:35:03 +010036 *(.proc.info.init)
Linus Torvalds1da177e2005-04-16 15:20:36 -070037 __proc_info_end = .;
38 __arch_info_begin = .;
Ben Dooks9d0fd1e2005-09-20 16:45:20 +010039 *(.arch.info.init)
Linus Torvalds1da177e2005-04-16 15:20:36 -070040 __arch_info_end = .;
41 __tagtable_begin = .;
Ben Dooks95060572005-09-20 16:20:49 +010042 *(.taglist.init)
Linus Torvalds1da177e2005-04-16 15:20:36 -070043 __tagtable_end = .;
44 . = ALIGN(16);
45 __setup_start = .;
46 *(.init.setup)
47 __setup_end = .;
48 __early_begin = .;
Ben Dooksbfe68152005-09-20 16:25:12 +010049 *(.early_param.init)
Linus Torvalds1da177e2005-04-16 15:20:36 -070050 __early_end = .;
51 __initcall_start = .;
Andrew Morton61ce1ef2006-10-27 11:41:44 -070052 INITCALLS
Linus Torvalds1da177e2005-04-16 15:20:36 -070053 __initcall_end = .;
54 __con_initcall_start = .;
55 *(.con_initcall.init)
56 __con_initcall_end = .;
57 __security_initcall_start = .;
58 *(.security_initcall.init)
59 __security_initcall_end = .;
Jean-Paul Saman67d38222007-02-10 01:44:44 -080060#ifdef CONFIG_BLK_DEV_INITRD
Linus Torvalds1da177e2005-04-16 15:20:36 -070061 . = ALIGN(32);
62 __initramfs_start = .;
63 usr/built-in.o(.init.ramfs)
64 __initramfs_end = .;
Jean-Paul Saman67d38222007-02-10 01:44:44 -080065#endif
Jeremy Fitzhardingeb6e35902007-05-02 19:27:12 +020066 . = ALIGN(4096);
Tejun Heo19390c42009-03-10 16:27:48 +090067 __per_cpu_load = .;
Linus Torvalds1da177e2005-04-16 15:20:36 -070068 __per_cpu_start = .;
Tejun Heo74e79042009-01-17 15:26:32 +090069 *(.data.percpu.page_aligned)
Linus Torvalds1da177e2005-04-16 15:20:36 -070070 *(.data.percpu)
Fenghua Yu5fb7dc32007-07-19 01:48:12 -070071 *(.data.percpu.shared_aligned)
Linus Torvalds1da177e2005-04-16 15:20:36 -070072 __per_cpu_end = .;
73#ifndef CONFIG_XIP_KERNEL
74 __init_begin = _stext;
Sam Ravnborg01ba2bd2008-01-20 14:15:03 +010075 INIT_DATA
Linus Torvalds1da177e2005-04-16 15:20:36 -070076 . = ALIGN(4096);
77 __init_end = .;
78#endif
79 }
80
81 /DISCARD/ : { /* Exit code and data */
Sam Ravnborg01ba2bd2008-01-20 14:15:03 +010082 EXIT_TEXT
83 EXIT_DATA
Linus Torvalds1da177e2005-04-16 15:20:36 -070084 *(.exitcall.exit)
Russell King9641c7c2006-06-21 20:38:17 +010085#ifndef CONFIG_MMU
86 *(.fixup)
87 *(__ex_table)
88#endif
Linus Torvalds1da177e2005-04-16 15:20:36 -070089 }
90
91 .text : { /* Real text segment */
92 _text = .; /* Text and read-only data */
Russell King7ab3f8d2007-03-02 15:01:36 +000093 __exception_text_start = .;
94 *(.exception.text)
95 __exception_text_end = .;
Sam Ravnborg76647092007-05-13 00:31:33 +020096 TEXT_TEXT
Linus Torvalds1da177e2005-04-16 15:20:36 -070097 SCHED_TEXT
98 LOCK_TEXT
Nicolas Pitre785d3cd2007-12-03 15:27:56 -050099 KPROBES_TEXT
Russell King9641c7c2006-06-21 20:38:17 +0100100#ifdef CONFIG_MMU
Linus Torvalds1da177e2005-04-16 15:20:36 -0700101 *(.fixup)
Russell King9641c7c2006-06-21 20:38:17 +0100102#endif
Linus Torvalds1da177e2005-04-16 15:20:36 -0700103 *(.gnu.warning)
104 *(.rodata)
105 *(.rodata.*)
106 *(.glue_7)
107 *(.glue_7t)
108 *(.got) /* Global offset table */
109 }
110
Linus Torvalds1da177e2005-04-16 15:20:36 -0700111 RODATA
112
113 _etext = .; /* End of text and rodata section */
114
115#ifdef CONFIG_XIP_KERNEL
116 __data_loc = ALIGN(4); /* location in binary */
Russell King9d4f13e2006-01-03 17:28:33 +0000117 . = PAGE_OFFSET + TEXT_OFFSET;
Linus Torvalds1da177e2005-04-16 15:20:36 -0700118#else
Russell King4f7a1812005-05-05 13:11:00 +0100119 . = ALIGN(THREAD_SIZE);
Linus Torvalds1da177e2005-04-16 15:20:36 -0700120 __data_loc = .;
121#endif
122
123 .data : AT(__data_loc) {
Russell King37efe642008-12-01 11:53:07 +0000124 _data = .; /* address in memory */
Linus Torvalds1da177e2005-04-16 15:20:36 -0700125
126 /*
127 * first, the init task union, aligned
128 * to an 8192 byte boundary.
129 */
Russell King4efb4482007-05-08 12:39:37 +0100130 *(.data.init_task)
Linus Torvalds1da177e2005-04-16 15:20:36 -0700131
132#ifdef CONFIG_XIP_KERNEL
133 . = ALIGN(4096);
134 __init_begin = .;
Sam Ravnborg01ba2bd2008-01-20 14:15:03 +0100135 INIT_DATA
Linus Torvalds1da177e2005-04-16 15:20:36 -0700136 . = ALIGN(4096);
137 __init_end = .;
138#endif
139
140 . = ALIGN(4096);
141 __nosave_begin = .;
142 *(.data.nosave)
143 . = ALIGN(4096);
144 __nosave_end = .;
145
146 /*
147 * then the cacheline aligned data
148 */
149 . = ALIGN(32);
150 *(.data.cacheline_aligned)
151
152 /*
Nicolas Pitre13b1f642005-10-13 22:04:37 +0100153 * The exception fixup table (might need resorting at runtime)
154 */
155 . = ALIGN(32);
156 __start___ex_table = .;
Russell King9641c7c2006-06-21 20:38:17 +0100157#ifdef CONFIG_MMU
Nicolas Pitre13b1f642005-10-13 22:04:37 +0100158 *(__ex_table)
Russell King9641c7c2006-06-21 20:38:17 +0100159#endif
Nicolas Pitre13b1f642005-10-13 22:04:37 +0100160 __stop___ex_table = .;
161
162 /*
Linus Torvalds1da177e2005-04-16 15:20:36 -0700163 * and the usual data section
164 */
Sam Ravnborgca967252007-05-17 13:38:44 +0200165 DATA_DATA
Linus Torvalds1da177e2005-04-16 15:20:36 -0700166 CONSTRUCTORS
167
168 _edata = .;
169 }
Nicolas Pitree98ff7f2007-02-22 16:18:09 +0100170 _edata_loc = __data_loc + SIZEOF(.data);
Linus Torvalds1da177e2005-04-16 15:20:36 -0700171
172 .bss : {
173 __bss_start = .; /* BSS */
174 *(.bss)
175 *(COMMON)
176 _end = .;
177 }
178 /* Stabs debugging sections. */
179 .stab 0 : { *(.stab) }
180 .stabstr 0 : { *(.stabstr) }
181 .stab.excl 0 : { *(.stab.excl) }
182 .stab.exclstr 0 : { *(.stab.exclstr) }
183 .stab.index 0 : { *(.stab.index) }
184 .stab.indexstr 0 : { *(.stab.indexstr) }
185 .comment 0 : { *(.comment) }
186}
187
Russell King728f5c02005-11-17 16:43:14 +0000188/*
189 * These must never be empty
190 * If you have to comment these two assert statements out, your
191 * binutils is too old (for other reasons as well)
192 */
Linus Torvalds1da177e2005-04-16 15:20:36 -0700193ASSERT((__proc_info_end - __proc_info_begin), "missing CPU support")
194ASSERT((__arch_info_end - __arch_info_begin), "no machine record defined")