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authorThomas Gleixner <tglx@linutronix.de>2007-10-11 05:14:21 -0400
committerThomas Gleixner <tglx@linutronix.de>2007-10-11 05:14:21 -0400
commit13a9cd42466e12113859c4d7b41561e8bbcaf09d (patch)
treeac755f0c13d71d0bec41d913514f8ff860791cdd /arch/x86_64
parent0856268597a2ce7efc30390695d655d3dee05ca8 (diff)
x86_64: prepare shared kernel/vmlinux.lds.S
Signed-off-by: Thomas Gleixner <tglx@linutronix.de> Signed-off-by: Ingo Molnar <mingo@elte.hu>
Diffstat (limited to 'arch/x86_64')
-rw-r--r--arch/x86_64/kernel/vmlinux.lds.S238
-rw-r--r--arch/x86_64/kernel/vmlinux_64.lds.S235
2 files changed, 239 insertions, 234 deletions
diff --git a/arch/x86_64/kernel/vmlinux.lds.S b/arch/x86_64/kernel/vmlinux.lds.S
index ba8ea97abd21..849ee611f013 100644
--- a/arch/x86_64/kernel/vmlinux.lds.S
+++ b/arch/x86_64/kernel/vmlinux.lds.S
@@ -1,235 +1,5 @@
1/* ld script to make x86-64 Linux kernel 1#ifdef CONFIG_X86_32
2 * Written by Martin Mares <mj@atrey.karlin.mff.cuni.cz>; 2# include "vmlinux_32.lds.S"
3 */ 3#else
4 4# include "vmlinux_64.lds.S"
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 */
22 note PT_NOTE FLAGS(4); /* R__ */
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)
40 } :text = 0x9090
41 /* out-of-line lock text */
42 .text.lock : AT(ADDR(.text.lock) - LOAD_OFFSET) { *(.text.lock) }
43
44 _etext = .; /* End of text section */
45
46 . = ALIGN(16); /* Exception table */
47 __start___ex_table = .;
48 __ex_table : AT(ADDR(__ex_table) - LOAD_OFFSET) { *(__ex_table) }
49 __stop___ex_table = .;
50
51 NOTES :text :note
52
53 BUG_TABLE :text
54
55 RODATA
56
57 . = ALIGN(4);
58 .tracedata : AT(ADDR(.tracedata) - LOAD_OFFSET) {
59 __tracedata_start = .;
60 *(.tracedata)
61 __tracedata_end = .;
62 }
63
64 . = ALIGN(PAGE_SIZE); /* Align data segment to page size boundary */
65 /* Data */
66 .data : AT(ADDR(.data) - LOAD_OFFSET) {
67 DATA_DATA
68 CONSTRUCTORS
69 } :data
70
71 _edata = .; /* End of data section */
72
73 . = ALIGN(PAGE_SIZE);
74 . = ALIGN(CONFIG_X86_L1_CACHE_BYTES);
75 .data.cacheline_aligned : AT(ADDR(.data.cacheline_aligned) - LOAD_OFFSET) {
76 *(.data.cacheline_aligned)
77 }
78 . = ALIGN(CONFIG_X86_INTERNODE_CACHE_BYTES);
79 .data.read_mostly : AT(ADDR(.data.read_mostly) - LOAD_OFFSET) {
80 *(.data.read_mostly)
81 }
82
83#define VSYSCALL_ADDR (-10*1024*1024)
84#define VSYSCALL_PHYS_ADDR ((LOADADDR(.data.read_mostly) + SIZEOF(.data.read_mostly) + 4095) & ~(4095))
85#define VSYSCALL_VIRT_ADDR ((ADDR(.data.read_mostly) + SIZEOF(.data.read_mostly) + 4095) & ~(4095))
86
87#define VLOAD_OFFSET (VSYSCALL_ADDR - VSYSCALL_PHYS_ADDR)
88#define VLOAD(x) (ADDR(x) - VLOAD_OFFSET)
89
90#define VVIRT_OFFSET (VSYSCALL_ADDR - VSYSCALL_VIRT_ADDR)
91#define VVIRT(x) (ADDR(x) - VVIRT_OFFSET)
92
93 . = VSYSCALL_ADDR;
94 .vsyscall_0 : AT(VSYSCALL_PHYS_ADDR) { *(.vsyscall_0) } :user
95 __vsyscall_0 = VSYSCALL_VIRT_ADDR;
96
97 . = ALIGN(CONFIG_X86_L1_CACHE_BYTES);
98 .vsyscall_fn : AT(VLOAD(.vsyscall_fn)) { *(.vsyscall_fn) }
99 . = ALIGN(CONFIG_X86_L1_CACHE_BYTES);
100 .vsyscall_gtod_data : AT(VLOAD(.vsyscall_gtod_data))
101 { *(.vsyscall_gtod_data) }
102 vsyscall_gtod_data = VVIRT(.vsyscall_gtod_data);
103 .vsyscall_clock : AT(VLOAD(.vsyscall_clock))
104 { *(.vsyscall_clock) }
105 vsyscall_clock = VVIRT(.vsyscall_clock);
106
107
108 .vsyscall_1 ADDR(.vsyscall_0) + 1024: AT(VLOAD(.vsyscall_1))
109 { *(.vsyscall_1) }
110 .vsyscall_2 ADDR(.vsyscall_0) + 2048: AT(VLOAD(.vsyscall_2))
111 { *(.vsyscall_2) }
112
113 .vgetcpu_mode : AT(VLOAD(.vgetcpu_mode)) { *(.vgetcpu_mode) }
114 vgetcpu_mode = VVIRT(.vgetcpu_mode);
115
116 . = ALIGN(CONFIG_X86_L1_CACHE_BYTES);
117 .jiffies : AT(VLOAD(.jiffies)) { *(.jiffies) }
118 jiffies = VVIRT(.jiffies);
119
120 .vsyscall_3 ADDR(.vsyscall_0) + 3072: AT(VLOAD(.vsyscall_3))
121 { *(.vsyscall_3) }
122
123 . = VSYSCALL_VIRT_ADDR + 4096;
124
125#undef VSYSCALL_ADDR
126#undef VSYSCALL_PHYS_ADDR
127#undef VSYSCALL_VIRT_ADDR
128#undef VLOAD_OFFSET
129#undef VLOAD
130#undef VVIRT_OFFSET
131#undef VVIRT
132
133 . = ALIGN(8192); /* init_task */
134 .data.init_task : AT(ADDR(.data.init_task) - LOAD_OFFSET) {
135 *(.data.init_task)
136 }:data.init
137
138 . = ALIGN(4096);
139 .data.page_aligned : AT(ADDR(.data.page_aligned) - LOAD_OFFSET) {
140 *(.data.page_aligned)
141 }
142
143 /* might get freed after init */
144 . = ALIGN(4096);
145 __smp_alt_begin = .;
146 __smp_locks = .;
147 .smp_locks : AT(ADDR(.smp_locks) - LOAD_OFFSET) {
148 *(.smp_locks)
149 }
150 __smp_locks_end = .;
151 . = ALIGN(4096);
152 __smp_alt_end = .;
153
154 . = ALIGN(4096); /* Init code and data */
155 __init_begin = .;
156 .init.text : AT(ADDR(.init.text) - LOAD_OFFSET) {
157 _sinittext = .;
158 *(.init.text)
159 _einittext = .;
160 }
161 __initdata_begin = .;
162 .init.data : AT(ADDR(.init.data) - LOAD_OFFSET) { *(.init.data) }
163 __initdata_end = .;
164 . = ALIGN(16);
165 __setup_start = .;
166 .init.setup : AT(ADDR(.init.setup) - LOAD_OFFSET) { *(.init.setup) }
167 __setup_end = .;
168 __initcall_start = .;
169 .initcall.init : AT(ADDR(.initcall.init) - LOAD_OFFSET) {
170 INITCALLS
171 }
172 __initcall_end = .;
173 __con_initcall_start = .;
174 .con_initcall.init : AT(ADDR(.con_initcall.init) - LOAD_OFFSET) {
175 *(.con_initcall.init)
176 }
177 __con_initcall_end = .;
178 SECURITY_INIT
179 . = ALIGN(8);
180 __alt_instructions = .;
181 .altinstructions : AT(ADDR(.altinstructions) - LOAD_OFFSET) {
182 *(.altinstructions)
183 }
184 __alt_instructions_end = .;
185 .altinstr_replacement : AT(ADDR(.altinstr_replacement) - LOAD_OFFSET) {
186 *(.altinstr_replacement)
187 }
188 /* .exit.text is discard at runtime, not link time, to deal with references
189 from .altinstructions and .eh_frame */
190 .exit.text : AT(ADDR(.exit.text) - LOAD_OFFSET) { *(.exit.text) }
191 .exit.data : AT(ADDR(.exit.data) - LOAD_OFFSET) { *(.exit.data) }
192
193/* vdso blob that is mapped into user space */
194 vdso_start = . ;
195 .vdso : AT(ADDR(.vdso) - LOAD_OFFSET) { *(.vdso) }
196 . = ALIGN(4096);
197 vdso_end = .;
198
199#ifdef CONFIG_BLK_DEV_INITRD
200 . = ALIGN(4096);
201 __initramfs_start = .;
202 .init.ramfs : AT(ADDR(.init.ramfs) - LOAD_OFFSET) { *(.init.ramfs) }
203 __initramfs_end = .;
204#endif 5#endif
205
206 PERCPU(4096)
207
208 . = ALIGN(4096);
209 __init_end = .;
210
211 . = ALIGN(4096);
212 __nosave_begin = .;
213 .data_nosave : AT(ADDR(.data_nosave) - LOAD_OFFSET) { *(.data.nosave) }
214 . = ALIGN(4096);
215 __nosave_end = .;
216
217 __bss_start = .; /* BSS */
218 .bss : AT(ADDR(.bss) - LOAD_OFFSET) {
219 *(.bss.page_aligned)
220 *(.bss)
221 }
222 __bss_stop = .;
223
224 _end = . ;
225
226 /* Sections to be discarded */
227 /DISCARD/ : {
228 *(.exitcall.exit)
229 *(.eh_frame)
230 }
231
232 STABS_DEBUG
233
234 DWARF_DEBUG
235}
diff --git a/arch/x86_64/kernel/vmlinux_64.lds.S b/arch/x86_64/kernel/vmlinux_64.lds.S
new file mode 100644
index 000000000000..ba8ea97abd21
--- /dev/null
+++ b/arch/x86_64/kernel/vmlinux_64.lds.S
@@ -0,0 +1,235 @@
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 */
22 note PT_NOTE FLAGS(4); /* R__ */
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)
40 } :text = 0x9090
41 /* out-of-line lock text */
42 .text.lock : AT(ADDR(.text.lock) - LOAD_OFFSET) { *(.text.lock) }
43
44 _etext = .; /* End of text section */
45
46 . = ALIGN(16); /* Exception table */
47 __start___ex_table = .;
48 __ex_table : AT(ADDR(__ex_table) - LOAD_OFFSET) { *(__ex_table) }
49 __stop___ex_table = .;
50
51 NOTES :text :note
52
53 BUG_TABLE :text
54
55 RODATA
56
57 . = ALIGN(4);
58 .tracedata : AT(ADDR(.tracedata) - LOAD_OFFSET) {
59 __tracedata_start = .;
60 *(.tracedata)
61 __tracedata_end = .;
62 }
63
64 . = ALIGN(PAGE_SIZE); /* Align data segment to page size boundary */
65 /* Data */
66 .data : AT(ADDR(.data) - LOAD_OFFSET) {
67 DATA_DATA
68 CONSTRUCTORS
69 } :data
70
71 _edata = .; /* End of data section */
72
73 . = ALIGN(PAGE_SIZE);
74 . = ALIGN(CONFIG_X86_L1_CACHE_BYTES);
75 .data.cacheline_aligned : AT(ADDR(.data.cacheline_aligned) - LOAD_OFFSET) {
76 *(.data.cacheline_aligned)
77 }
78 . = ALIGN(CONFIG_X86_INTERNODE_CACHE_BYTES);
79 .data.read_mostly : AT(ADDR(.data.read_mostly) - LOAD_OFFSET) {
80 *(.data.read_mostly)
81 }
82
83#define VSYSCALL_ADDR (-10*1024*1024)
84#define VSYSCALL_PHYS_ADDR ((LOADADDR(.data.read_mostly) + SIZEOF(.data.read_mostly) + 4095) & ~(4095))
85#define VSYSCALL_VIRT_ADDR ((ADDR(.data.read_mostly) + SIZEOF(.data.read_mostly) + 4095) & ~(4095))
86
87#define VLOAD_OFFSET (VSYSCALL_ADDR - VSYSCALL_PHYS_ADDR)
88#define VLOAD(x) (ADDR(x) - VLOAD_OFFSET)
89
90#define VVIRT_OFFSET (VSYSCALL_ADDR - VSYSCALL_VIRT_ADDR)
91#define VVIRT(x) (ADDR(x) - VVIRT_OFFSET)
92
93 . = VSYSCALL_ADDR;
94 .vsyscall_0 : AT(VSYSCALL_PHYS_ADDR) { *(.vsyscall_0) } :user
95 __vsyscall_0 = VSYSCALL_VIRT_ADDR;
96
97 . = ALIGN(CONFIG_X86_L1_CACHE_BYTES);
98 .vsyscall_fn : AT(VLOAD(.vsyscall_fn)) { *(.vsyscall_fn) }
99 . = ALIGN(CONFIG_X86_L1_CACHE_BYTES);
100 .vsyscall_gtod_data : AT(VLOAD(.vsyscall_gtod_data))
101 { *(.vsyscall_gtod_data) }
102 vsyscall_gtod_data = VVIRT(.vsyscall_gtod_data);
103 .vsyscall_clock : AT(VLOAD(.vsyscall_clock))
104 { *(.vsyscall_clock) }
105 vsyscall_clock = VVIRT(.vsyscall_clock);
106
107
108 .vsyscall_1 ADDR(.vsyscall_0) + 1024: AT(VLOAD(.vsyscall_1))
109 { *(.vsyscall_1) }
110 .vsyscall_2 ADDR(.vsyscall_0) + 2048: AT(VLOAD(.vsyscall_2))
111 { *(.vsyscall_2) }
112
113 .vgetcpu_mode : AT(VLOAD(.vgetcpu_mode)) { *(.vgetcpu_mode) }
114 vgetcpu_mode = VVIRT(.vgetcpu_mode);
115
116 . = ALIGN(CONFIG_X86_L1_CACHE_BYTES);
117 .jiffies : AT(VLOAD(.jiffies)) { *(.jiffies) }
118 jiffies = VVIRT(.jiffies);
119
120 .vsyscall_3 ADDR(.vsyscall_0) + 3072: AT(VLOAD(.vsyscall_3))
121 { *(.vsyscall_3) }
122
123 . = VSYSCALL_VIRT_ADDR + 4096;
124
125#undef VSYSCALL_ADDR
126#undef VSYSCALL_PHYS_ADDR
127#undef VSYSCALL_VIRT_ADDR
128#undef VLOAD_OFFSET
129#undef VLOAD
130#undef VVIRT_OFFSET
131#undef VVIRT
132
133 . = ALIGN(8192); /* init_task */
134 .data.init_task : AT(ADDR(.data.init_task) - LOAD_OFFSET) {
135 *(.data.init_task)
136 }:data.init
137
138 . = ALIGN(4096);
139 .data.page_aligned : AT(ADDR(.data.page_aligned) - LOAD_OFFSET) {
140 *(.data.page_aligned)
141 }
142
143 /* might get freed after init */
144 . = ALIGN(4096);
145 __smp_alt_begin = .;
146 __smp_locks = .;
147 .smp_locks : AT(ADDR(.smp_locks) - LOAD_OFFSET) {
148 *(.smp_locks)
149 }
150 __smp_locks_end = .;
151 . = ALIGN(4096);
152 __smp_alt_end = .;
153
154 . = ALIGN(4096); /* Init code and data */
155 __init_begin = .;
156 .init.text : AT(ADDR(.init.text) - LOAD_OFFSET) {
157 _sinittext = .;
158 *(.init.text)
159 _einittext = .;
160 }
161 __initdata_begin = .;
162 .init.data : AT(ADDR(.init.data) - LOAD_OFFSET) { *(.init.data) }
163 __initdata_end = .;
164 . = ALIGN(16);
165 __setup_start = .;
166 .init.setup : AT(ADDR(.init.setup) - LOAD_OFFSET) { *(.init.setup) }
167 __setup_end = .;
168 __initcall_start = .;
169 .initcall.init : AT(ADDR(.initcall.init) - LOAD_OFFSET) {
170 INITCALLS
171 }
172 __initcall_end = .;
173 __con_initcall_start = .;
174 .con_initcall.init : AT(ADDR(.con_initcall.init) - LOAD_OFFSET) {
175 *(.con_initcall.init)
176 }
177 __con_initcall_end = .;
178 SECURITY_INIT
179 . = ALIGN(8);
180 __alt_instructions = .;
181 .altinstructions : AT(ADDR(.altinstructions) - LOAD_OFFSET) {
182 *(.altinstructions)
183 }
184 __alt_instructions_end = .;
185 .altinstr_replacement : AT(ADDR(.altinstr_replacement) - LOAD_OFFSET) {
186 *(.altinstr_replacement)
187 }
188 /* .exit.text is discard at runtime, not link time, to deal with references
189 from .altinstructions and .eh_frame */
190 .exit.text : AT(ADDR(.exit.text) - LOAD_OFFSET) { *(.exit.text) }
191 .exit.data : AT(ADDR(.exit.data) - LOAD_OFFSET) { *(.exit.data) }
192
193/* vdso blob that is mapped into user space */
194 vdso_start = . ;
195 .vdso : AT(ADDR(.vdso) - LOAD_OFFSET) { *(.vdso) }
196 . = ALIGN(4096);
197 vdso_end = .;
198
199#ifdef CONFIG_BLK_DEV_INITRD
200 . = ALIGN(4096);
201 __initramfs_start = .;
202 .init.ramfs : AT(ADDR(.init.ramfs) - LOAD_OFFSET) { *(.init.ramfs) }
203 __initramfs_end = .;
204#endif
205
206 PERCPU(4096)
207
208 . = ALIGN(4096);
209 __init_end = .;
210
211 . = ALIGN(4096);
212 __nosave_begin = .;
213 .data_nosave : AT(ADDR(.data_nosave) - LOAD_OFFSET) { *(.data.nosave) }
214 . = ALIGN(4096);
215 __nosave_end = .;
216
217 __bss_start = .; /* BSS */
218 .bss : AT(ADDR(.bss) - LOAD_OFFSET) {
219 *(.bss.page_aligned)
220 *(.bss)
221 }
222 __bss_stop = .;
223
224 _end = . ;
225
226 /* Sections to be discarded */
227 /DISCARD/ : {
228 *(.exitcall.exit)
229 *(.eh_frame)
230 }
231
232 STABS_DEBUG
233
234 DWARF_DEBUG
235}
generated by cgit v1.2.2 (git 2.25.0) at 2024-11-08 05:09:46 -0500