blob: 761972f8cb6c86dadf1ed297d2ea12a6ae234977 [file] [log] [blame]
Linus Torvalds1da177e2005-04-16 15:20:36 -07001/* ld script to make i386 Linux kernel
2 * Written by Martin Mares <mj@atrey.karlin.mff.cuni.cz>;
3 */
4
Eric W. Biedermanad0d75e2005-06-25 14:57:47 -07005#define LOAD_OFFSET __PAGE_OFFSET
6
Linus Torvalds1da177e2005-04-16 15:20:36 -07007#include <asm-generic/vmlinux.lds.h>
8#include <asm/thread_info.h>
9#include <asm/page.h>
10
11OUTPUT_FORMAT("elf32-i386", "elf32-i386", "elf32-i386")
12OUTPUT_ARCH(i386)
Eric W. Biedermanad0d75e2005-06-25 14:57:47 -070013ENTRY(phys_startup_32)
Linus Torvalds1da177e2005-04-16 15:20:36 -070014jiffies = jiffies_64;
15SECTIONS
16{
Eric W. Biederman3d345e32005-06-25 14:57:49 -070017 . = __KERNEL_START;
Eric W. Biedermanad0d75e2005-06-25 14:57:47 -070018 phys_startup_32 = startup_32 - LOAD_OFFSET;
Linus Torvalds1da177e2005-04-16 15:20:36 -070019 /* read-only */
20 _text = .; /* Text and read-only data */
Eric W. Biedermanad0d75e2005-06-25 14:57:47 -070021 .text : AT(ADDR(.text) - LOAD_OFFSET) {
Linus Torvalds1da177e2005-04-16 15:20:36 -070022 *(.text)
23 SCHED_TEXT
24 LOCK_TEXT
25 *(.fixup)
26 *(.gnu.warning)
27 } = 0x9090
28
29 _etext = .; /* End of text section */
30
31 . = ALIGN(16); /* Exception table */
32 __start___ex_table = .;
Eric W. Biedermanad0d75e2005-06-25 14:57:47 -070033 __ex_table : AT(ADDR(__ex_table) - LOAD_OFFSET) { *(__ex_table) }
Linus Torvalds1da177e2005-04-16 15:20:36 -070034 __stop___ex_table = .;
35
36 RODATA
37
38 /* writeable */
Eric W. Biedermanad0d75e2005-06-25 14:57:47 -070039 .data : AT(ADDR(.data) - LOAD_OFFSET) { /* Data */
Linus Torvalds1da177e2005-04-16 15:20:36 -070040 *(.data)
41 CONSTRUCTORS
42 }
43
44 . = ALIGN(4096);
45 __nosave_begin = .;
Eric W. Biedermanad0d75e2005-06-25 14:57:47 -070046 .data_nosave : AT(ADDR(.data_nosave) - LOAD_OFFSET) { *(.data.nosave) }
Linus Torvalds1da177e2005-04-16 15:20:36 -070047 . = ALIGN(4096);
48 __nosave_end = .;
49
50 . = ALIGN(4096);
Eric W. Biedermanad0d75e2005-06-25 14:57:47 -070051 .data.page_aligned : AT(ADDR(.data.page_aligned) - LOAD_OFFSET) {
52 *(.data.idt)
53 }
Linus Torvalds1da177e2005-04-16 15:20:36 -070054
55 . = ALIGN(32);
Eric W. Biedermanad0d75e2005-06-25 14:57:47 -070056 .data.cacheline_aligned : AT(ADDR(.data.cacheline_aligned) - LOAD_OFFSET) {
57 *(.data.cacheline_aligned)
58 }
Linus Torvalds1da177e2005-04-16 15:20:36 -070059
Christoph Lameter6c036522005-07-07 17:56:59 -070060 /* rarely changed data like cpu maps */
61 . = ALIGN(32);
62 .data.read_mostly : AT(ADDR(.data.read_mostly) - LOAD_OFFSET) { *(.data.read_mostly) }
Linus Torvalds1da177e2005-04-16 15:20:36 -070063 _edata = .; /* End of data section */
64
65 . = ALIGN(THREAD_SIZE); /* init_task */
Eric W. Biedermanad0d75e2005-06-25 14:57:47 -070066 .data.init_task : AT(ADDR(.data.init_task) - LOAD_OFFSET) {
67 *(.data.init_task)
68 }
Linus Torvalds1da177e2005-04-16 15:20:36 -070069
70 /* will be freed after init */
71 . = ALIGN(4096); /* Init code and data */
72 __init_begin = .;
Eric W. Biedermanad0d75e2005-06-25 14:57:47 -070073 .init.text : AT(ADDR(.init.text) - LOAD_OFFSET) {
Linus Torvalds1da177e2005-04-16 15:20:36 -070074 _sinittext = .;
75 *(.init.text)
76 _einittext = .;
77 }
Eric W. Biedermanad0d75e2005-06-25 14:57:47 -070078 .init.data : AT(ADDR(.init.data) - LOAD_OFFSET) { *(.init.data) }
Linus Torvalds1da177e2005-04-16 15:20:36 -070079 . = ALIGN(16);
80 __setup_start = .;
Eric W. Biedermanad0d75e2005-06-25 14:57:47 -070081 .init.setup : AT(ADDR(.init.setup) - LOAD_OFFSET) { *(.init.setup) }
Linus Torvalds1da177e2005-04-16 15:20:36 -070082 __setup_end = .;
83 __initcall_start = .;
Eric W. Biedermanad0d75e2005-06-25 14:57:47 -070084 .initcall.init : AT(ADDR(.initcall.init) - LOAD_OFFSET) {
Linus Torvalds1da177e2005-04-16 15:20:36 -070085 *(.initcall1.init)
86 *(.initcall2.init)
87 *(.initcall3.init)
88 *(.initcall4.init)
89 *(.initcall5.init)
90 *(.initcall6.init)
91 *(.initcall7.init)
92 }
93 __initcall_end = .;
94 __con_initcall_start = .;
Eric W. Biedermanad0d75e2005-06-25 14:57:47 -070095 .con_initcall.init : AT(ADDR(.con_initcall.init) - LOAD_OFFSET) {
96 *(.con_initcall.init)
97 }
Linus Torvalds1da177e2005-04-16 15:20:36 -070098 __con_initcall_end = .;
99 SECURITY_INIT
100 . = ALIGN(4);
101 __alt_instructions = .;
Eric W. Biedermanad0d75e2005-06-25 14:57:47 -0700102 .altinstructions : AT(ADDR(.altinstructions) - LOAD_OFFSET) {
103 *(.altinstructions)
104 }
Linus Torvalds1da177e2005-04-16 15:20:36 -0700105 __alt_instructions_end = .;
Eric W. Biedermanad0d75e2005-06-25 14:57:47 -0700106 .altinstr_replacement : AT(ADDR(.altinstr_replacement) - LOAD_OFFSET) {
107 *(.altinstr_replacement)
108 }
Linus Torvalds1da177e2005-04-16 15:20:36 -0700109 /* .exit.text is discard at runtime, not link time, to deal with references
110 from .altinstructions and .eh_frame */
Eric W. Biedermanad0d75e2005-06-25 14:57:47 -0700111 .exit.text : AT(ADDR(.exit.text) - LOAD_OFFSET) { *(.exit.text) }
112 .exit.data : AT(ADDR(.exit.data) - LOAD_OFFSET) { *(.exit.data) }
Linus Torvalds1da177e2005-04-16 15:20:36 -0700113 . = ALIGN(4096);
114 __initramfs_start = .;
Eric W. Biedermanad0d75e2005-06-25 14:57:47 -0700115 .init.ramfs : AT(ADDR(.init.ramfs) - LOAD_OFFSET) { *(.init.ramfs) }
Linus Torvalds1da177e2005-04-16 15:20:36 -0700116 __initramfs_end = .;
117 . = ALIGN(32);
118 __per_cpu_start = .;
Eric W. Biedermanad0d75e2005-06-25 14:57:47 -0700119 .data.percpu : AT(ADDR(.data.percpu) - LOAD_OFFSET) { *(.data.percpu) }
Linus Torvalds1da177e2005-04-16 15:20:36 -0700120 __per_cpu_end = .;
121 . = ALIGN(4096);
122 __init_end = .;
123 /* freed after init ends here */
124
125 __bss_start = .; /* BSS */
Eric W. Biedermanad0d75e2005-06-25 14:57:47 -0700126 .bss.page_aligned : AT(ADDR(.bss.page_aligned) - LOAD_OFFSET) {
Linus Torvalds1da177e2005-04-16 15:20:36 -0700127 *(.bss.page_aligned)
Eric W. Biedermanad0d75e2005-06-25 14:57:47 -0700128 }
129 .bss : AT(ADDR(.bss) - LOAD_OFFSET) {
Linus Torvalds1da177e2005-04-16 15:20:36 -0700130 *(.bss)
131 }
132 . = ALIGN(4);
133 __bss_stop = .;
134
135 _end = . ;
136
137 /* This is where the kernel creates the early boot page tables */
138 . = ALIGN(4096);
139 pg0 = .;
140
141 /* Sections to be discarded */
142 /DISCARD/ : {
143 *(.exitcall.exit)
144 }
145
146 /* Stabs debugging sections. */
147 .stab 0 : { *(.stab) }
148 .stabstr 0 : { *(.stabstr) }
149 .stab.excl 0 : { *(.stab.excl) }
150 .stab.exclstr 0 : { *(.stab.exclstr) }
151 .stab.index 0 : { *(.stab.index) }
152 .stab.indexstr 0 : { *(.stab.indexstr) }
153 .comment 0 : { *(.comment) }
154}