blob: 5ff5406666b437c9a8a5b848279d60735b601bc6 [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 */
Linus Torvalds1da177e2005-04-16 15:20:36 -070033 *(.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);
Linus Torvalds1da177e2005-04-16 15:20:36 -070067 __per_cpu_start = .;
68 *(.data.percpu)
Fenghua Yu5fb7dc32007-07-19 01:48:12 -070069 *(.data.percpu.shared_aligned)
Linus Torvalds1da177e2005-04-16 15:20:36 -070070 __per_cpu_end = .;
71#ifndef CONFIG_XIP_KERNEL
72 __init_begin = _stext;
73 *(.init.data)
74 . = ALIGN(4096);
75 __init_end = .;
76#endif
77 }
78
79 /DISCARD/ : { /* Exit code and data */
80 *(.exit.text)
81 *(.exit.data)
82 *(.exitcall.exit)
Russell King9641c7c2006-06-21 20:38:17 +010083#ifndef CONFIG_MMU
84 *(.fixup)
85 *(__ex_table)
86#endif
Linus Torvalds1da177e2005-04-16 15:20:36 -070087 }
88
89 .text : { /* Real text segment */
90 _text = .; /* Text and read-only data */
Russell King7ab3f8d2007-03-02 15:01:36 +000091 __exception_text_start = .;
92 *(.exception.text)
93 __exception_text_end = .;
Sam Ravnborg76647092007-05-13 00:31:33 +020094 TEXT_TEXT
Linus Torvalds1da177e2005-04-16 15:20:36 -070095 SCHED_TEXT
96 LOCK_TEXT
Russell King9641c7c2006-06-21 20:38:17 +010097#ifdef CONFIG_MMU
Linus Torvalds1da177e2005-04-16 15:20:36 -070098 *(.fixup)
Russell King9641c7c2006-06-21 20:38:17 +010099#endif
Linus Torvalds1da177e2005-04-16 15:20:36 -0700100 *(.gnu.warning)
101 *(.rodata)
102 *(.rodata.*)
103 *(.glue_7)
104 *(.glue_7t)
105 *(.got) /* Global offset table */
106 }
107
Linus Torvalds1da177e2005-04-16 15:20:36 -0700108 RODATA
109
110 _etext = .; /* End of text and rodata section */
111
112#ifdef CONFIG_XIP_KERNEL
113 __data_loc = ALIGN(4); /* location in binary */
Russell King9d4f13e2006-01-03 17:28:33 +0000114 . = PAGE_OFFSET + TEXT_OFFSET;
Linus Torvalds1da177e2005-04-16 15:20:36 -0700115#else
Russell King4f7a1812005-05-05 13:11:00 +0100116 . = ALIGN(THREAD_SIZE);
Linus Torvalds1da177e2005-04-16 15:20:36 -0700117 __data_loc = .;
118#endif
119
120 .data : AT(__data_loc) {
121 __data_start = .; /* address in memory */
122
123 /*
124 * first, the init task union, aligned
125 * to an 8192 byte boundary.
126 */
Russell King4efb4482007-05-08 12:39:37 +0100127 *(.data.init_task)
Linus Torvalds1da177e2005-04-16 15:20:36 -0700128
129#ifdef CONFIG_XIP_KERNEL
130 . = ALIGN(4096);
131 __init_begin = .;
132 *(.init.data)
133 . = ALIGN(4096);
134 __init_end = .;
135#endif
136
137 . = ALIGN(4096);
138 __nosave_begin = .;
139 *(.data.nosave)
140 . = ALIGN(4096);
141 __nosave_end = .;
142
143 /*
144 * then the cacheline aligned data
145 */
146 . = ALIGN(32);
147 *(.data.cacheline_aligned)
148
149 /*
Nicolas Pitre13b1f642005-10-13 22:04:37 +0100150 * The exception fixup table (might need resorting at runtime)
151 */
152 . = ALIGN(32);
153 __start___ex_table = .;
Russell King9641c7c2006-06-21 20:38:17 +0100154#ifdef CONFIG_MMU
Nicolas Pitre13b1f642005-10-13 22:04:37 +0100155 *(__ex_table)
Russell King9641c7c2006-06-21 20:38:17 +0100156#endif
Nicolas Pitre13b1f642005-10-13 22:04:37 +0100157 __stop___ex_table = .;
158
159 /*
Linus Torvalds1da177e2005-04-16 15:20:36 -0700160 * and the usual data section
161 */
Sam Ravnborgca967252007-05-17 13:38:44 +0200162 DATA_DATA
Linus Torvalds1da177e2005-04-16 15:20:36 -0700163 CONSTRUCTORS
164
165 _edata = .;
166 }
Nicolas Pitree98ff7f2007-02-22 16:18:09 +0100167 _edata_loc = __data_loc + SIZEOF(.data);
Linus Torvalds1da177e2005-04-16 15:20:36 -0700168
169 .bss : {
170 __bss_start = .; /* BSS */
171 *(.bss)
172 *(COMMON)
173 _end = .;
174 }
175 /* Stabs debugging sections. */
176 .stab 0 : { *(.stab) }
177 .stabstr 0 : { *(.stabstr) }
178 .stab.excl 0 : { *(.stab.excl) }
179 .stab.exclstr 0 : { *(.stab.exclstr) }
180 .stab.index 0 : { *(.stab.index) }
181 .stab.indexstr 0 : { *(.stab.indexstr) }
182 .comment 0 : { *(.comment) }
183}
184
Russell King728f5c02005-11-17 16:43:14 +0000185/*
186 * These must never be empty
187 * If you have to comment these two assert statements out, your
188 * binutils is too old (for other reasons as well)
189 */
Linus Torvalds1da177e2005-04-16 15:20:36 -0700190ASSERT((__proc_info_end - __proc_info_begin), "missing CPU support")
191ASSERT((__arch_info_end - __arch_info_begin), "no machine record defined")