blob: 2b7a8f5d8cf276fe1e31ec38cf4adcb909879cb2 [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)
69 __per_cpu_end = .;
70#ifndef CONFIG_XIP_KERNEL
71 __init_begin = _stext;
72 *(.init.data)
73 . = ALIGN(4096);
74 __init_end = .;
75#endif
76 }
77
78 /DISCARD/ : { /* Exit code and data */
79 *(.exit.text)
80 *(.exit.data)
81 *(.exitcall.exit)
Russell King9641c7c2006-06-21 20:38:17 +010082#ifndef CONFIG_MMU
83 *(.fixup)
84 *(__ex_table)
85#endif
Linus Torvalds1da177e2005-04-16 15:20:36 -070086 }
87
88 .text : { /* Real text segment */
89 _text = .; /* Text and read-only data */
Russell King7ab3f8d2007-03-02 15:01:36 +000090 __exception_text_start = .;
91 *(.exception.text)
92 __exception_text_end = .;
Sam Ravnborg76647092007-05-13 00:31:33 +020093 TEXT_TEXT
Linus Torvalds1da177e2005-04-16 15:20:36 -070094 SCHED_TEXT
95 LOCK_TEXT
Russell King9641c7c2006-06-21 20:38:17 +010096#ifdef CONFIG_MMU
Linus Torvalds1da177e2005-04-16 15:20:36 -070097 *(.fixup)
Russell King9641c7c2006-06-21 20:38:17 +010098#endif
Linus Torvalds1da177e2005-04-16 15:20:36 -070099 *(.gnu.warning)
100 *(.rodata)
101 *(.rodata.*)
102 *(.glue_7)
103 *(.glue_7t)
104 *(.got) /* Global offset table */
105 }
106
Linus Torvalds1da177e2005-04-16 15:20:36 -0700107 RODATA
108
109 _etext = .; /* End of text and rodata section */
110
111#ifdef CONFIG_XIP_KERNEL
112 __data_loc = ALIGN(4); /* location in binary */
Russell King9d4f13e2006-01-03 17:28:33 +0000113 . = PAGE_OFFSET + TEXT_OFFSET;
Linus Torvalds1da177e2005-04-16 15:20:36 -0700114#else
Russell King4f7a1812005-05-05 13:11:00 +0100115 . = ALIGN(THREAD_SIZE);
Linus Torvalds1da177e2005-04-16 15:20:36 -0700116 __data_loc = .;
117#endif
118
119 .data : AT(__data_loc) {
120 __data_start = .; /* address in memory */
121
122 /*
123 * first, the init task union, aligned
124 * to an 8192 byte boundary.
125 */
Russell King4efb4482007-05-08 12:39:37 +0100126 *(.data.init_task)
Linus Torvalds1da177e2005-04-16 15:20:36 -0700127
128#ifdef CONFIG_XIP_KERNEL
129 . = ALIGN(4096);
130 __init_begin = .;
131 *(.init.data)
132 . = ALIGN(4096);
133 __init_end = .;
134#endif
135
136 . = ALIGN(4096);
137 __nosave_begin = .;
138 *(.data.nosave)
139 . = ALIGN(4096);
140 __nosave_end = .;
141
142 /*
143 * then the cacheline aligned data
144 */
145 . = ALIGN(32);
146 *(.data.cacheline_aligned)
147
148 /*
Nicolas Pitre13b1f642005-10-13 22:04:37 +0100149 * The exception fixup table (might need resorting at runtime)
150 */
151 . = ALIGN(32);
152 __start___ex_table = .;
Russell King9641c7c2006-06-21 20:38:17 +0100153#ifdef CONFIG_MMU
Nicolas Pitre13b1f642005-10-13 22:04:37 +0100154 *(__ex_table)
Russell King9641c7c2006-06-21 20:38:17 +0100155#endif
Nicolas Pitre13b1f642005-10-13 22:04:37 +0100156 __stop___ex_table = .;
157
158 /*
Linus Torvalds1da177e2005-04-16 15:20:36 -0700159 * and the usual data section
160 */
Sam Ravnborgca967252007-05-17 13:38:44 +0200161 DATA_DATA
Linus Torvalds1da177e2005-04-16 15:20:36 -0700162 CONSTRUCTORS
163
164 _edata = .;
165 }
Nicolas Pitree98ff7f2007-02-22 16:18:09 +0100166 _edata_loc = __data_loc + SIZEOF(.data);
Linus Torvalds1da177e2005-04-16 15:20:36 -0700167
168 .bss : {
169 __bss_start = .; /* BSS */
170 *(.bss)
171 *(COMMON)
172 _end = .;
173 }
174 /* Stabs debugging sections. */
175 .stab 0 : { *(.stab) }
176 .stabstr 0 : { *(.stabstr) }
177 .stab.excl 0 : { *(.stab.excl) }
178 .stab.exclstr 0 : { *(.stab.exclstr) }
179 .stab.index 0 : { *(.stab.index) }
180 .stab.indexstr 0 : { *(.stab.indexstr) }
181 .comment 0 : { *(.comment) }
182}
183
Russell King728f5c02005-11-17 16:43:14 +0000184/*
185 * These must never be empty
186 * If you have to comment these two assert statements out, your
187 * binutils is too old (for other reasons as well)
188 */
Linus Torvalds1da177e2005-04-16 15:20:36 -0700189ASSERT((__proc_info_end - __proc_info_begin), "missing CPU support")
190ASSERT((__arch_info_end - __arch_info_begin), "no machine record defined")