Pull ia64-clocksource into release branch
[GitHub/MotorolaMobilityLLC/kernel-slsi.git] / arch / i386 / kernel / vmlinux.lds.S
CommitLineData
1da177e4
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1/* ld script to make i386 Linux kernel
2 * Written by Martin Mares <mj@atrey.karlin.mff.cuni.cz>;
6569580d
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3 *
4 * Don't define absolute symbols until and unless you know that symbol
5 * value is should remain constant even if kernel image is relocated
6 * at run time. Absolute symbols are not relocated. If symbol value should
7 * change if kernel is relocated, make the symbol section relative and
8 * put it inside the section definition.
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9 */
10
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11/* Don't define absolute symbols until and unless you know that symbol
12 * value is should remain constant even if kernel image is relocated
13 * at run time. Absolute symbols are not relocated. If symbol value should
14 * change if kernel is relocated, make the symbol section relative and
15 * put it inside the section definition.
16 */
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17#define LOAD_OFFSET __PAGE_OFFSET
18
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19#include <asm-generic/vmlinux.lds.h>
20#include <asm/thread_info.h>
21#include <asm/page.h>
379b5441 22#include <asm/cache.h>
e69f202d 23#include <asm/boot.h>
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24
25OUTPUT_FORMAT("elf32-i386", "elf32-i386", "elf32-i386")
26OUTPUT_ARCH(i386)
ad0d75eb 27ENTRY(phys_startup_32)
1da177e4 28jiffies = jiffies_64;
9c9b8b38
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29
30PHDRS {
31 text PT_LOAD FLAGS(5); /* R_E */
32 data PT_LOAD FLAGS(7); /* RWE */
03df4f6e 33 note PT_NOTE FLAGS(0); /* ___ */
9c9b8b38 34}
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35SECTIONS
36{
e69f202d 37 . = LOAD_OFFSET + LOAD_PHYSICAL_ADDR;
ad0d75eb 38 phys_startup_32 = startup_32 - LOAD_OFFSET;
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39
40 .text.head : AT(ADDR(.text.head) - LOAD_OFFSET) {
41 _text = .; /* Text and read-only data */
42 *(.text.head)
43 } :text = 0x9090
44
1da177e4 45 /* read-only */
ad0d75eb 46 .text : AT(ADDR(.text) - LOAD_OFFSET) {
7664709b 47 TEXT_TEXT
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48 SCHED_TEXT
49 LOCK_TEXT
3d97ae5b 50 KPROBES_TEXT
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51 *(.fixup)
52 *(.gnu.warning)
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53 _etext = .; /* End of text section */
54 } :text = 0x9090
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55
56 . = ALIGN(16); /* Exception table */
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57 __ex_table : AT(ADDR(__ex_table) - LOAD_OFFSET) {
58 __start___ex_table = .;
59 *(__ex_table)
60 __stop___ex_table = .;
61 }
1da177e4 62
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63 NOTES :text :note
64
65 BUG_TABLE :text
91768d6c 66
eb71c87a 67 . = ALIGN(4);
eb71c87a 68 .tracedata : AT(ADDR(.tracedata) - LOAD_OFFSET) {
6569580d 69 __tracedata_start = .;
eb71c87a 70 *(.tracedata)
6569580d 71 __tracedata_end = .;
eb71c87a 72 }
eb71c87a 73
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JB
74 RODATA
75
1da177e4 76 /* writeable */
c06cb8b1 77 . = ALIGN(4096);
ad0d75eb 78 .data : AT(ADDR(.data) - LOAD_OFFSET) { /* Data */
ca967258 79 DATA_DATA
1da177e4 80 CONSTRUCTORS
9c9b8b38 81 } :data
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82
83 . = ALIGN(4096);
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84 .data_nosave : AT(ADDR(.data_nosave) - LOAD_OFFSET) {
85 __nosave_begin = .;
86 *(.data.nosave)
87 . = ALIGN(4096);
88 __nosave_end = .;
89 }
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90
91 . = ALIGN(4096);
ad0d75eb 92 .data.page_aligned : AT(ADDR(.data.page_aligned) - LOAD_OFFSET) {
5ead97c8 93 *(.data.page_aligned)
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94 *(.data.idt)
95 }
1da177e4
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96
97 . = ALIGN(32);
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98 .data.cacheline_aligned : AT(ADDR(.data.cacheline_aligned) - LOAD_OFFSET) {
99 *(.data.cacheline_aligned)
100 }
1da177e4 101
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102 /* rarely changed data like cpu maps */
103 . = ALIGN(32);
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104 .data.read_mostly : AT(ADDR(.data.read_mostly) - LOAD_OFFSET) {
105 *(.data.read_mostly)
106 _edata = .; /* End of data section */
107 }
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108
109 . = ALIGN(THREAD_SIZE); /* init_task */
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110 .data.init_task : AT(ADDR(.data.init_task) - LOAD_OFFSET) {
111 *(.data.init_task)
112 }
1da177e4 113
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114 /* might get freed after init */
115 . = ALIGN(4096);
9a0b5817 116 .smp_locks : AT(ADDR(.smp_locks) - LOAD_OFFSET) {
6569580d 117 __smp_locks = .;
9a0b5817 118 *(.smp_locks)
6569580d 119 __smp_locks_end = .;
9a0b5817 120 }
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121 /* will be freed after init
122 * Following ALIGN() is required to make sure no other data falls on the
123 * same page where __smp_alt_end is pointing as that page might be freed
124 * after boot. Always make sure that ALIGN() directive is present after
125 * the section which contains __smp_alt_end.
126 */
9a0b5817 127 . = ALIGN(4096);
9a0b5817 128
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129 /* will be freed after init */
130 . = ALIGN(4096); /* Init code and data */
ad0d75eb 131 .init.text : AT(ADDR(.init.text) - LOAD_OFFSET) {
6569580d 132 __init_begin = .;
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133 _sinittext = .;
134 *(.init.text)
135 _einittext = .;
136 }
ad0d75eb 137 .init.data : AT(ADDR(.init.data) - LOAD_OFFSET) { *(.init.data) }
1da177e4 138 . = ALIGN(16);
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139 .init.setup : AT(ADDR(.init.setup) - LOAD_OFFSET) {
140 __setup_start = .;
141 *(.init.setup)
142 __setup_end = .;
143 }
ad0d75eb 144 .initcall.init : AT(ADDR(.initcall.init) - LOAD_OFFSET) {
6569580d 145 __initcall_start = .;
61ce1efe 146 INITCALLS
6569580d 147 __initcall_end = .;
1da177e4 148 }
ad0d75eb 149 .con_initcall.init : AT(ADDR(.con_initcall.init) - LOAD_OFFSET) {
6569580d 150 __con_initcall_start = .;
ad0d75eb 151 *(.con_initcall.init)
6569580d 152 __con_initcall_end = .;
ad0d75eb 153 }
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154 SECURITY_INIT
155 . = ALIGN(4);
ad0d75eb 156 .altinstructions : AT(ADDR(.altinstructions) - LOAD_OFFSET) {
6569580d 157 __alt_instructions = .;
ad0d75eb 158 *(.altinstructions)
6569580d 159 __alt_instructions_end = .;
ad0d75eb 160 }
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161 .altinstr_replacement : AT(ADDR(.altinstr_replacement) - LOAD_OFFSET) {
162 *(.altinstr_replacement)
163 }
139ec7c4 164 . = ALIGN(4);
139ec7c4 165 .parainstructions : AT(ADDR(.parainstructions) - LOAD_OFFSET) {
441d40dc 166 __parainstructions = .;
139ec7c4 167 *(.parainstructions)
441d40dc 168 __parainstructions_end = .;
139ec7c4 169 }
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170 /* .exit.text is discard at runtime, not link time, to deal with references
171 from .altinstructions and .eh_frame */
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172 .exit.text : AT(ADDR(.exit.text) - LOAD_OFFSET) { *(.exit.text) }
173 .exit.data : AT(ADDR(.exit.data) - LOAD_OFFSET) { *(.exit.data) }
67d38229 174#if defined(CONFIG_BLK_DEV_INITRD)
1da177e4 175 . = ALIGN(4096);
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176 .init.ramfs : AT(ADDR(.init.ramfs) - LOAD_OFFSET) {
177 __initramfs_start = .;
178 *(.init.ramfs)
179 __initramfs_end = .;
180 }
67d38229 181#endif
b6e3590f 182 . = ALIGN(4096);
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183 .data.percpu : AT(ADDR(.data.percpu) - LOAD_OFFSET) {
184 __per_cpu_start = .;
185 *(.data.percpu)
5fb7dc37 186 *(.data.percpu.shared_aligned)
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187 __per_cpu_end = .;
188 }
1da177e4 189 . = ALIGN(4096);
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190 /* freed after init ends here */
191
ad0d75eb 192 .bss : AT(ADDR(.bss) - LOAD_OFFSET) {
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193 __init_end = .;
194 __bss_start = .; /* BSS */
195 *(.bss.page_aligned)
1da177e4 196 *(.bss)
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197 . = ALIGN(4);
198 __bss_stop = .;
199 _end = . ;
200 /* This is where the kernel creates the early boot page tables */
201 . = ALIGN(4096);
202 pg0 = . ;
1da177e4 203 }
1da177e4
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204
205 /* Sections to be discarded */
206 /DISCARD/ : {
207 *(.exitcall.exit)
208 }
209
a7d0c210
PBG
210 STABS_DEBUG
211
212 DWARF_DEBUG
1da177e4 213}