1 /* ld script to make x86-64 Linux kernel
2 * Written by Martin Mares <mj@atrey.karlin.mff.cuni.cz>;
5 #define LOAD_OFFSET __START_KERNEL_map
7 #include <asm-generic/vmlinux.lds.h>
10 #undef i386 /* in case the preprocessor is a 32bit one */
12 OUTPUT_FORMAT("elf64-x86-64", "elf64-x86-64", "elf64-x86-64")
13 OUTPUT_ARCH(i386:x86-64)
14 ENTRY(phys_startup_64)
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 */
22 note PT_NOTE FLAGS(4); /* R__ */
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 */
40 <<<<<<< HEAD:arch/x86/kernel/vmlinux_64.lds.S
41 _etext = .; /* End of text section */
43 _etext = .; /* End of text section */
44 >>>>>>> 264e3e889d86e552b4191d69bb60f4f3b383135a:arch/x86/kernel/vmlinux_64.lds.S
47 . = ALIGN(16); /* Exception table */
48 __ex_table : AT(ADDR(__ex_table) - LOAD_OFFSET) {
49 __start___ex_table = .;
51 __stop___ex_table = .;
61 .tracedata : AT(ADDR(.tracedata) - LOAD_OFFSET) {
62 __tracedata_start = .;
67 <<<<<<< HEAD:arch/x86/kernel/vmlinux_64.lds.S
68 . = ALIGN(PAGE_SIZE); /* Align data segment to page size boundary */
70 . = ALIGN(PAGE_SIZE); /* Align data segment to page size boundary */
71 >>>>>>> 264e3e889d86e552b4191d69bb60f4f3b383135a:arch/x86/kernel/vmlinux_64.lds.S
73 .data : AT(ADDR(.data) - LOAD_OFFSET) {
78 _edata = .; /* End of data section */
81 . = ALIGN(CONFIG_X86_L1_CACHE_BYTES);
82 .data.cacheline_aligned : AT(ADDR(.data.cacheline_aligned) - LOAD_OFFSET) {
83 *(.data.cacheline_aligned)
85 . = ALIGN(CONFIG_X86_INTERNODE_CACHE_BYTES);
86 .data.read_mostly : AT(ADDR(.data.read_mostly) - LOAD_OFFSET) {
90 #define VSYSCALL_ADDR (-10*1024*1024)
91 #define VSYSCALL_PHYS_ADDR ((LOADADDR(.data.read_mostly) + SIZEOF(.data.read_mostly) + 4095) & ~(4095))
92 #define VSYSCALL_VIRT_ADDR ((ADDR(.data.read_mostly) + SIZEOF(.data.read_mostly) + 4095) & ~(4095))
94 #define VLOAD_OFFSET (VSYSCALL_ADDR - VSYSCALL_PHYS_ADDR)
95 #define VLOAD(x) (ADDR(x) - VLOAD_OFFSET)
97 #define VVIRT_OFFSET (VSYSCALL_ADDR - VSYSCALL_VIRT_ADDR)
98 #define VVIRT(x) (ADDR(x) - VVIRT_OFFSET)
101 .vsyscall_0 : AT(VSYSCALL_PHYS_ADDR) { *(.vsyscall_0) } :user
102 __vsyscall_0 = VSYSCALL_VIRT_ADDR;
104 . = ALIGN(CONFIG_X86_L1_CACHE_BYTES);
105 .vsyscall_fn : AT(VLOAD(.vsyscall_fn)) { *(.vsyscall_fn) }
106 . = ALIGN(CONFIG_X86_L1_CACHE_BYTES);
107 .vsyscall_gtod_data : AT(VLOAD(.vsyscall_gtod_data))
108 { *(.vsyscall_gtod_data) }
109 vsyscall_gtod_data = VVIRT(.vsyscall_gtod_data);
110 .vsyscall_clock : AT(VLOAD(.vsyscall_clock))
111 { *(.vsyscall_clock) }
112 vsyscall_clock = VVIRT(.vsyscall_clock);
115 .vsyscall_1 ADDR(.vsyscall_0) + 1024: AT(VLOAD(.vsyscall_1))
117 .vsyscall_2 ADDR(.vsyscall_0) + 2048: AT(VLOAD(.vsyscall_2))
120 .vgetcpu_mode : AT(VLOAD(.vgetcpu_mode)) { *(.vgetcpu_mode) }
121 vgetcpu_mode = VVIRT(.vgetcpu_mode);
123 . = ALIGN(CONFIG_X86_L1_CACHE_BYTES);
124 .jiffies : AT(VLOAD(.jiffies)) { *(.jiffies) }
125 jiffies = VVIRT(.jiffies);
127 .vsyscall_3 ADDR(.vsyscall_0) + 3072: AT(VLOAD(.vsyscall_3))
130 <<<<<<< HEAD:arch/x86/kernel/vmlinux_64.lds.S
131 . = VSYSCALL_VIRT_ADDR + 4096;
133 . = VSYSCALL_VIRT_ADDR + PAGE_SIZE;
134 >>>>>>> 264e3e889d86e552b4191d69bb60f4f3b383135a:arch/x86/kernel/vmlinux_64.lds.S
137 #undef VSYSCALL_PHYS_ADDR
138 #undef VSYSCALL_VIRT_ADDR
144 <<<<<<< HEAD:arch/x86/kernel/vmlinux_64.lds.S
145 . = ALIGN(8192); /* init_task */
147 . = ALIGN(THREAD_SIZE); /* init_task */
148 >>>>>>> 264e3e889d86e552b4191d69bb60f4f3b383135a:arch/x86/kernel/vmlinux_64.lds.S
149 .data.init_task : AT(ADDR(.data.init_task) - LOAD_OFFSET) {
153 <<<<<<< HEAD:arch/x86/kernel/vmlinux_64.lds.S
156 . = ALIGN(PAGE_SIZE);
157 >>>>>>> 264e3e889d86e552b4191d69bb60f4f3b383135a:arch/x86/kernel/vmlinux_64.lds.S
158 .data.page_aligned : AT(ADDR(.data.page_aligned) - LOAD_OFFSET) {
159 *(.data.page_aligned)
162 /* might get freed after init */
163 <<<<<<< HEAD:arch/x86/kernel/vmlinux_64.lds.S
166 . = ALIGN(PAGE_SIZE);
167 >>>>>>> 264e3e889d86e552b4191d69bb60f4f3b383135a:arch/x86/kernel/vmlinux_64.lds.S
170 .smp_locks : AT(ADDR(.smp_locks) - LOAD_OFFSET) {
174 <<<<<<< HEAD:arch/x86/kernel/vmlinux_64.lds.S
177 . = ALIGN(PAGE_SIZE);
178 >>>>>>> 264e3e889d86e552b4191d69bb60f4f3b383135a:arch/x86/kernel/vmlinux_64.lds.S
181 <<<<<<< HEAD:arch/x86/kernel/vmlinux_64.lds.S
182 . = ALIGN(4096); /* Init code and data */
184 . = ALIGN(PAGE_SIZE); /* Init code and data */
185 >>>>>>> 264e3e889d86e552b4191d69bb60f4f3b383135a:arch/x86/kernel/vmlinux_64.lds.S
187 .init.text : AT(ADDR(.init.text) - LOAD_OFFSET) {
192 .init.data : AT(ADDR(.init.data) - LOAD_OFFSET) {
193 __initdata_begin = .;
200 .init.setup : AT(ADDR(.init.setup) - LOAD_OFFSET) { *(.init.setup) }
202 __initcall_start = .;
203 .initcall.init : AT(ADDR(.initcall.init) - LOAD_OFFSET) {
207 __con_initcall_start = .;
208 .con_initcall.init : AT(ADDR(.con_initcall.init) - LOAD_OFFSET) {
209 *(.con_initcall.init)
211 __con_initcall_end = .;
215 .parainstructions : AT(ADDR(.parainstructions) - LOAD_OFFSET) {
216 __parainstructions = .;
218 __parainstructions_end = .;
222 __alt_instructions = .;
223 .altinstructions : AT(ADDR(.altinstructions) - LOAD_OFFSET) {
226 <<<<<<< HEAD:arch/x86/kernel/vmlinux_64.lds.S
227 __alt_instructions_end = .;
229 __alt_instructions_end = .;
230 >>>>>>> 264e3e889d86e552b4191d69bb60f4f3b383135a:arch/x86/kernel/vmlinux_64.lds.S
231 .altinstr_replacement : AT(ADDR(.altinstr_replacement) - LOAD_OFFSET) {
232 *(.altinstr_replacement)
234 /* .exit.text is discard at runtime, not link time, to deal with references
235 from .altinstructions and .eh_frame */
236 .exit.text : AT(ADDR(.exit.text) - LOAD_OFFSET) {
239 .exit.data : AT(ADDR(.exit.data) - LOAD_OFFSET) {
243 /* vdso blob that is mapped into user space */
245 .vdso : AT(ADDR(.vdso) - LOAD_OFFSET) { *(.vdso) }
246 <<<<<<< HEAD:arch/x86/kernel/vmlinux_64.lds.S
249 . = ALIGN(PAGE_SIZE);
250 >>>>>>> 264e3e889d86e552b4191d69bb60f4f3b383135a:arch/x86/kernel/vmlinux_64.lds.S
253 #ifdef CONFIG_BLK_DEV_INITRD
254 <<<<<<< HEAD:arch/x86/kernel/vmlinux_64.lds.S
257 . = ALIGN(PAGE_SIZE);
258 >>>>>>> 264e3e889d86e552b4191d69bb60f4f3b383135a:arch/x86/kernel/vmlinux_64.lds.S
259 __initramfs_start = .;
260 .init.ramfs : AT(ADDR(.init.ramfs) - LOAD_OFFSET) { *(.init.ramfs) }
264 <<<<<<< HEAD:arch/x86/kernel/vmlinux_64.lds.S
268 >>>>>>> 264e3e889d86e552b4191d69bb60f4f3b383135a:arch/x86/kernel/vmlinux_64.lds.S
270 <<<<<<< HEAD:arch/x86/kernel/vmlinux_64.lds.S
273 . = ALIGN(PAGE_SIZE);
274 >>>>>>> 264e3e889d86e552b4191d69bb60f4f3b383135a:arch/x86/kernel/vmlinux_64.lds.S
277 <<<<<<< HEAD:arch/x86/kernel/vmlinux_64.lds.S
280 . = ALIGN(PAGE_SIZE);
281 >>>>>>> 264e3e889d86e552b4191d69bb60f4f3b383135a:arch/x86/kernel/vmlinux_64.lds.S
283 .data_nosave : AT(ADDR(.data_nosave) - LOAD_OFFSET) { *(.data.nosave) }
284 <<<<<<< HEAD:arch/x86/kernel/vmlinux_64.lds.S
287 . = ALIGN(PAGE_SIZE);
288 >>>>>>> 264e3e889d86e552b4191d69bb60f4f3b383135a:arch/x86/kernel/vmlinux_64.lds.S
291 __bss_start = .; /* BSS */
292 .bss : AT(ADDR(.bss) - LOAD_OFFSET) {
300 /* Sections to be discarded */