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genirq: revert dynarray
[net-next-2.6.git] / arch / x86 / kernel / vmlinux_64.lds.S
CommitLineData
13a9cd42
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1/* ld script to make x86-64 Linux kernel
2 * Written by Martin Mares <mj@atrey.karlin.mff.cuni.cz>;
3 */
4
5#define LOAD_OFFSET __START_KERNEL_map
6
7#include <asm-generic/vmlinux.lds.h>
8#include <asm/page.h>
9
10#undef i386 /* in case the preprocessor is a 32bit one */
11
12OUTPUT_FORMAT("elf64-x86-64", "elf64-x86-64", "elf64-x86-64")
13OUTPUT_ARCH(i386:x86-64)
14ENTRY(phys_startup_64)
15jiffies_64 = jiffies;
16_proxy_pda = 1;
17PHDRS {
18 text PT_LOAD FLAGS(5); /* R_E */
19 data PT_LOAD FLAGS(7); /* RWE */
20 user PT_LOAD FLAGS(7); /* RWE */
21 data.init PT_LOAD FLAGS(7); /* RWE */
6360b1fb 22 note PT_NOTE FLAGS(0); /* ___ */
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23}
24SECTIONS
25{
26 . = __START_KERNEL;
27 phys_startup_64 = startup_64 - LOAD_OFFSET;
28 _text = .; /* Text and read-only data */
29 .text : AT(ADDR(.text) - LOAD_OFFSET) {
30 /* First the code that has to be first for bootstrapping */
31 *(.text.head)
32 _stext = .;
33 /* Then the rest */
34 TEXT_TEXT
35 SCHED_TEXT
36 LOCK_TEXT
37 KPROBES_TEXT
38 *(.fixup)
39 *(.gnu.warning)
3cdac41f 40 _etext = .; /* End of text section */
c0400030 41 } :text = 0x9090
13a9cd42 42
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JB
43 NOTES :text :note
44
13a9cd42 45 . = ALIGN(16); /* Exception table */
c0400030
JB
46 __ex_table : AT(ADDR(__ex_table) - LOAD_OFFSET) {
47 __start___ex_table = .;
48 *(__ex_table)
49 __stop___ex_table = .;
6360b1fb 50 } :text = 0x9090
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51
52 RODATA
53
3cdac41f 54 . = ALIGN(PAGE_SIZE); /* Align data segment to page size boundary */
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55 /* Data */
56 .data : AT(ADDR(.data) - LOAD_OFFSET) {
57 DATA_DATA
58 CONSTRUCTORS
59 } :data
60
61 _edata = .; /* End of data section */
62
63 . = ALIGN(PAGE_SIZE);
64 . = ALIGN(CONFIG_X86_L1_CACHE_BYTES);
65 .data.cacheline_aligned : AT(ADDR(.data.cacheline_aligned) - LOAD_OFFSET) {
66 *(.data.cacheline_aligned)
67 }
68 . = ALIGN(CONFIG_X86_INTERNODE_CACHE_BYTES);
69 .data.read_mostly : AT(ADDR(.data.read_mostly) - LOAD_OFFSET) {
70 *(.data.read_mostly)
71 }
72
73#define VSYSCALL_ADDR (-10*1024*1024)
74#define VSYSCALL_PHYS_ADDR ((LOADADDR(.data.read_mostly) + SIZEOF(.data.read_mostly) + 4095) & ~(4095))
75#define VSYSCALL_VIRT_ADDR ((ADDR(.data.read_mostly) + SIZEOF(.data.read_mostly) + 4095) & ~(4095))
76
77#define VLOAD_OFFSET (VSYSCALL_ADDR - VSYSCALL_PHYS_ADDR)
78#define VLOAD(x) (ADDR(x) - VLOAD_OFFSET)
79
80#define VVIRT_OFFSET (VSYSCALL_ADDR - VSYSCALL_VIRT_ADDR)
81#define VVIRT(x) (ADDR(x) - VVIRT_OFFSET)
82
83 . = VSYSCALL_ADDR;
84 .vsyscall_0 : AT(VSYSCALL_PHYS_ADDR) { *(.vsyscall_0) } :user
85 __vsyscall_0 = VSYSCALL_VIRT_ADDR;
86
87 . = ALIGN(CONFIG_X86_L1_CACHE_BYTES);
88 .vsyscall_fn : AT(VLOAD(.vsyscall_fn)) { *(.vsyscall_fn) }
89 . = ALIGN(CONFIG_X86_L1_CACHE_BYTES);
90 .vsyscall_gtod_data : AT(VLOAD(.vsyscall_gtod_data))
91 { *(.vsyscall_gtod_data) }
92 vsyscall_gtod_data = VVIRT(.vsyscall_gtod_data);
93 .vsyscall_clock : AT(VLOAD(.vsyscall_clock))
94 { *(.vsyscall_clock) }
95 vsyscall_clock = VVIRT(.vsyscall_clock);
96
97
98 .vsyscall_1 ADDR(.vsyscall_0) + 1024: AT(VLOAD(.vsyscall_1))
99 { *(.vsyscall_1) }
100 .vsyscall_2 ADDR(.vsyscall_0) + 2048: AT(VLOAD(.vsyscall_2))
101 { *(.vsyscall_2) }
102
103 .vgetcpu_mode : AT(VLOAD(.vgetcpu_mode)) { *(.vgetcpu_mode) }
104 vgetcpu_mode = VVIRT(.vgetcpu_mode);
105
106 . = ALIGN(CONFIG_X86_L1_CACHE_BYTES);
107 .jiffies : AT(VLOAD(.jiffies)) { *(.jiffies) }
108 jiffies = VVIRT(.jiffies);
109
110 .vsyscall_3 ADDR(.vsyscall_0) + 3072: AT(VLOAD(.vsyscall_3))
111 { *(.vsyscall_3) }
112
3cdac41f 113 . = VSYSCALL_VIRT_ADDR + PAGE_SIZE;
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114
115#undef VSYSCALL_ADDR
116#undef VSYSCALL_PHYS_ADDR
117#undef VSYSCALL_VIRT_ADDR
118#undef VLOAD_OFFSET
119#undef VLOAD
120#undef VVIRT_OFFSET
121#undef VVIRT
122
85c42d0d 123 . = ALIGN(THREAD_SIZE); /* init_task */
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124 .data.init_task : AT(ADDR(.data.init_task) - LOAD_OFFSET) {
125 *(.data.init_task)
126 }:data.init
127
3cdac41f 128 . = ALIGN(PAGE_SIZE);
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129 .data.page_aligned : AT(ADDR(.data.page_aligned) - LOAD_OFFSET) {
130 *(.data.page_aligned)
131 }
132
133 /* might get freed after init */
3cdac41f 134 . = ALIGN(PAGE_SIZE);
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135 __smp_alt_begin = .;
136 __smp_locks = .;
137 .smp_locks : AT(ADDR(.smp_locks) - LOAD_OFFSET) {
138 *(.smp_locks)
139 }
140 __smp_locks_end = .;
3cdac41f 141 . = ALIGN(PAGE_SIZE);
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142 __smp_alt_end = .;
143
3cdac41f 144 . = ALIGN(PAGE_SIZE); /* Init code and data */
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145 __init_begin = .;
146 .init.text : AT(ADDR(.init.text) - LOAD_OFFSET) {
147 _sinittext = .;
01ba2bdc 148 INIT_TEXT
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149 _einittext = .;
150 }
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SR
151 .init.data : AT(ADDR(.init.data) - LOAD_OFFSET) {
152 __initdata_begin = .;
153 INIT_DATA
154 __initdata_end = .;
155 }
156
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157 . = ALIGN(16);
158 __setup_start = .;
159 .init.setup : AT(ADDR(.init.setup) - LOAD_OFFSET) { *(.init.setup) }
160 __setup_end = .;
161 __initcall_start = .;
162 .initcall.init : AT(ADDR(.initcall.init) - LOAD_OFFSET) {
163 INITCALLS
164 }
165 __initcall_end = .;
166 __con_initcall_start = .;
167 .con_initcall.init : AT(ADDR(.con_initcall.init) - LOAD_OFFSET) {
168 *(.con_initcall.init)
169 }
170 __con_initcall_end = .;
10a434fc
YL
171 __x86_cpu_dev_start = .;
172 .x86_cpu_dev.init : AT(ADDR(.x86_cpu_dev.init) - LOAD_OFFSET) {
173 *(.x86_cpu_dev.init)
03ae5768 174 }
10a434fc 175 __x86_cpu_dev_end = .;
6da55c3e 176
cb58ffc3 177 SECURITY_INIT
fbf51924
GOC
178
179 . = ALIGN(8);
180 .parainstructions : AT(ADDR(.parainstructions) - LOAD_OFFSET) {
181 __parainstructions = .;
182 *(.parainstructions)
183 __parainstructions_end = .;
184 }
185
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186 . = ALIGN(8);
187 __alt_instructions = .;
188 .altinstructions : AT(ADDR(.altinstructions) - LOAD_OFFSET) {
189 *(.altinstructions)
190 }
3cdac41f 191 __alt_instructions_end = .;
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192 .altinstr_replacement : AT(ADDR(.altinstr_replacement) - LOAD_OFFSET) {
193 *(.altinstr_replacement)
194 }
195 /* .exit.text is discard at runtime, not link time, to deal with references
196 from .altinstructions and .eh_frame */
01ba2bdc
SR
197 .exit.text : AT(ADDR(.exit.text) - LOAD_OFFSET) {
198 EXIT_TEXT
199 }
200 .exit.data : AT(ADDR(.exit.data) - LOAD_OFFSET) {
201 EXIT_DATA
202 }
13a9cd42 203
13a9cd42 204#ifdef CONFIG_BLK_DEV_INITRD
3cdac41f 205 . = ALIGN(PAGE_SIZE);
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206 __initramfs_start = .;
207 .init.ramfs : AT(ADDR(.init.ramfs) - LOAD_OFFSET) { *(.init.ramfs) }
208 __initramfs_end = .;
209#endif
210
3cdac41f 211 PERCPU(PAGE_SIZE)
13a9cd42 212
3cdac41f 213 . = ALIGN(PAGE_SIZE);
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214 __init_end = .;
215
3cdac41f 216 . = ALIGN(PAGE_SIZE);
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217 __nosave_begin = .;
218 .data_nosave : AT(ADDR(.data_nosave) - LOAD_OFFSET) { *(.data.nosave) }
3cdac41f 219 . = ALIGN(PAGE_SIZE);
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220 __nosave_end = .;
221
222 __bss_start = .; /* BSS */
223 .bss : AT(ADDR(.bss) - LOAD_OFFSET) {
224 *(.bss.page_aligned)
225 *(.bss)
226 }
227 __bss_stop = .;
228
229 _end = . ;
230
231 /* Sections to be discarded */
232 /DISCARD/ : {
233 *(.exitcall.exit)
234 *(.eh_frame)
235 }
236
237 STABS_DEBUG
238
239 DWARF_DEBUG
240}
b4e0409a
IM
241
242/*
243 * Build-time check on the image size:
244 */
245ASSERT((_end - _text <= KERNEL_IMAGE_SIZE),
246 "kernel image bigger than KERNEL_IMAGE_SIZE")