blob: 4898bdcfe7dd638b5c4d9962f3932244a1249a38 [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);
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;
Sam Ravnborg01ba2bd2008-01-20 14:15:03 +010073 INIT_DATA
Linus Torvalds1da177e2005-04-16 15:20:36 -070074 . = ALIGN(4096);
75 __init_end = .;
76#endif
77 }
78
79 /DISCARD/ : { /* Exit code and data */
Sam Ravnborg01ba2bd2008-01-20 14:15:03 +010080 EXIT_TEXT
81 EXIT_DATA
Linus Torvalds1da177e2005-04-16 15:20:36 -070082 *(.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
Nicolas Pitre785d3cd2007-12-03 15:27:56 -050097 KPROBES_TEXT
Russell King9641c7c2006-06-21 20:38:17 +010098#ifdef CONFIG_MMU
Linus Torvalds1da177e2005-04-16 15:20:36 -070099 *(.fixup)
Russell King9641c7c2006-06-21 20:38:17 +0100100#endif
Linus Torvalds1da177e2005-04-16 15:20:36 -0700101 *(.gnu.warning)
102 *(.rodata)
103 *(.rodata.*)
104 *(.glue_7)
105 *(.glue_7t)
106 *(.got) /* Global offset table */
107 }
108
Linus Torvalds1da177e2005-04-16 15:20:36 -0700109 RODATA
110
111 _etext = .; /* End of text and rodata section */
112
113#ifdef CONFIG_XIP_KERNEL
114 __data_loc = ALIGN(4); /* location in binary */
Russell King9d4f13e2006-01-03 17:28:33 +0000115 . = PAGE_OFFSET + TEXT_OFFSET;
Linus Torvalds1da177e2005-04-16 15:20:36 -0700116#else
Russell King4f7a1812005-05-05 13:11:00 +0100117 . = ALIGN(THREAD_SIZE);
Linus Torvalds1da177e2005-04-16 15:20:36 -0700118 __data_loc = .;
119#endif
120
121 .data : AT(__data_loc) {
122 __data_start = .; /* address in memory */
123
124 /*
125 * first, the init task union, aligned
126 * to an 8192 byte boundary.
127 */
Russell King4efb4482007-05-08 12:39:37 +0100128 *(.data.init_task)
Linus Torvalds1da177e2005-04-16 15:20:36 -0700129
130#ifdef CONFIG_XIP_KERNEL
131 . = ALIGN(4096);
132 __init_begin = .;
Sam Ravnborg01ba2bd2008-01-20 14:15:03 +0100133 INIT_DATA
Linus Torvalds1da177e2005-04-16 15:20:36 -0700134 . = ALIGN(4096);
135 __init_end = .;
136#endif
137
138 . = ALIGN(4096);
139 __nosave_begin = .;
140 *(.data.nosave)
141 . = ALIGN(4096);
142 __nosave_end = .;
143
144 /*
145 * then the cacheline aligned data
146 */
147 . = ALIGN(32);
148 *(.data.cacheline_aligned)
149
150 /*
Nicolas Pitre13b1f642005-10-13 22:04:37 +0100151 * The exception fixup table (might need resorting at runtime)
152 */
153 . = ALIGN(32);
154 __start___ex_table = .;
Russell King9641c7c2006-06-21 20:38:17 +0100155#ifdef CONFIG_MMU
Nicolas Pitre13b1f642005-10-13 22:04:37 +0100156 *(__ex_table)
Russell King9641c7c2006-06-21 20:38:17 +0100157#endif
Nicolas Pitre13b1f642005-10-13 22:04:37 +0100158 __stop___ex_table = .;
159
160 /*
Linus Torvalds1da177e2005-04-16 15:20:36 -0700161 * and the usual data section
162 */
Sam Ravnborgca967252007-05-17 13:38:44 +0200163 DATA_DATA
Linus Torvalds1da177e2005-04-16 15:20:36 -0700164 CONSTRUCTORS
165
166 _edata = .;
167 }
Nicolas Pitree98ff7f2007-02-22 16:18:09 +0100168 _edata_loc = __data_loc + SIZEOF(.data);
Linus Torvalds1da177e2005-04-16 15:20:36 -0700169
170 .bss : {
171 __bss_start = .; /* BSS */
172 *(.bss)
173 *(COMMON)
174 _end = .;
175 }
176 /* Stabs debugging sections. */
177 .stab 0 : { *(.stab) }
178 .stabstr 0 : { *(.stabstr) }
179 .stab.excl 0 : { *(.stab.excl) }
180 .stab.exclstr 0 : { *(.stab.exclstr) }
181 .stab.index 0 : { *(.stab.index) }
182 .stab.indexstr 0 : { *(.stab.indexstr) }
183 .comment 0 : { *(.comment) }
184}
185
Russell King728f5c02005-11-17 16:43:14 +0000186/*
187 * These must never be empty
188 * If you have to comment these two assert statements out, your
189 * binutils is too old (for other reasons as well)
190 */
Linus Torvalds1da177e2005-04-16 15:20:36 -0700191ASSERT((__proc_info_end - __proc_info_begin), "missing CPU support")
192ASSERT((__arch_info_end - __arch_info_begin), "no machine record defined")