[ARM] 5565/2: Use PAGE_SIZE and RO_DATA() in link script
[linux-3.10.git] / arch / arm / kernel / vmlinux.lds.S
1 /* ld script to make ARM Linux kernel
2  * taken from the i386 version by Russell King
3  * Written by Martin Mares <mj@atrey.karlin.mff.cuni.cz>
4  */
5
6 #include <asm-generic/vmlinux.lds.h>
7 #include <asm/thread_info.h>
8 #include <asm/memory.h>
9 #include <asm/page.h>
10         
11 OUTPUT_ARCH(arm)
12 ENTRY(stext)
13
14 #ifndef __ARMEB__
15 jiffies = jiffies_64;
16 #else
17 jiffies = jiffies_64 + 4;
18 #endif
19
20 SECTIONS
21 {
22 #ifdef CONFIG_XIP_KERNEL
23         . = XIP_VIRT_ADDR(CONFIG_XIP_PHYS_ADDR);
24 #else
25         . = PAGE_OFFSET + TEXT_OFFSET;
26 #endif
27         .text.head : {
28                 _stext = .;
29                 _sinittext = .;
30                 *(.text.head)
31         }
32
33         .init : {                       /* Init code and data           */
34                         INIT_TEXT
35                 _einittext = .;
36                 __proc_info_begin = .;
37                         *(.proc.info.init)
38                 __proc_info_end = .;
39                 __arch_info_begin = .;
40                         *(.arch.info.init)
41                 __arch_info_end = .;
42                 __tagtable_begin = .;
43                         *(.taglist.init)
44                 __tagtable_end = .;
45                 . = ALIGN(16);
46                 __setup_start = .;
47                         *(.init.setup)
48                 __setup_end = .;
49                 __early_begin = .;
50                         *(.early_param.init)
51                 __early_end = .;
52                 __initcall_start = .;
53                         INITCALLS
54                 __initcall_end = .;
55                 __con_initcall_start = .;
56                         *(.con_initcall.init)
57                 __con_initcall_end = .;
58                 __security_initcall_start = .;
59                         *(.security_initcall.init)
60                 __security_initcall_end = .;
61 #ifdef CONFIG_BLK_DEV_INITRD
62                 . = ALIGN(32);
63                 __initramfs_start = .;
64                         usr/built-in.o(.init.ramfs)
65                 __initramfs_end = .;
66 #endif
67                 . = ALIGN(PAGE_SIZE);
68                 __per_cpu_load = .;
69                 __per_cpu_start = .;
70                         *(.data.percpu.page_aligned)
71                         *(.data.percpu)
72                         *(.data.percpu.shared_aligned)
73                 __per_cpu_end = .;
74 #ifndef CONFIG_XIP_KERNEL
75                 __init_begin = _stext;
76                 INIT_DATA
77                 . = ALIGN(PAGE_SIZE);
78                 __init_end = .;
79 #endif
80         }
81
82         /DISCARD/ : {                   /* Exit code and data           */
83                 EXIT_TEXT
84                 EXIT_DATA
85                 *(.exitcall.exit)
86                 *(.ARM.exidx.exit.text)
87                 *(.ARM.extab.exit.text)
88 #ifndef CONFIG_HOTPLUG_CPU
89                 *(.ARM.exidx.cpuexit.text)
90                 *(.ARM.extab.cpuexit.text)
91 #endif
92 #ifndef CONFIG_HOTPLUG
93                 *(.ARM.exidx.devexit.text)
94                 *(.ARM.extab.devexit.text)
95 #endif
96 #ifndef CONFIG_MMU
97                 *(.fixup)
98                 *(__ex_table)
99 #endif
100         }
101
102         .text : {                       /* Real text segment            */
103                 _text = .;              /* Text and read-only data      */
104                         __exception_text_start = .;
105                         *(.exception.text)
106                         __exception_text_end = .;
107                         TEXT_TEXT
108                         SCHED_TEXT
109                         LOCK_TEXT
110                         KPROBES_TEXT
111 #ifdef CONFIG_MMU
112                         *(.fixup)
113 #endif
114                         *(.gnu.warning)
115                         *(.rodata)
116                         *(.rodata.*)
117                         *(.glue_7)
118                         *(.glue_7t)
119                 *(.got)                 /* Global offset table          */
120         }
121
122         RO_DATA(PAGE_SIZE)
123
124         _etext = .;                     /* End of text and rodata section */
125
126 #ifdef CONFIG_ARM_UNWIND
127         /*
128          * Stack unwinding tables
129          */
130         . = ALIGN(8);
131         .ARM.unwind_idx : {
132                 __start_unwind_idx = .;
133                 *(.ARM.exidx*)
134                 __stop_unwind_idx = .;
135         }
136         .ARM.unwind_tab : {
137                 __start_unwind_tab = .;
138                 *(.ARM.extab*)
139                 __stop_unwind_tab = .;
140         }
141 #endif
142
143 #ifdef CONFIG_XIP_KERNEL
144         __data_loc = ALIGN(4);          /* location in binary */
145         . = PAGE_OFFSET + TEXT_OFFSET;
146 #else
147         . = ALIGN(THREAD_SIZE);
148         __data_loc = .;
149 #endif
150
151         .data : AT(__data_loc) {
152                 _data = .;              /* address in memory */
153                 _sdata = .;
154
155                 /*
156                  * first, the init task union, aligned
157                  * to an 8192 byte boundary.
158                  */
159                 *(.data.init_task)
160
161 #ifdef CONFIG_XIP_KERNEL
162                 . = ALIGN(PAGE_SIZE);
163                 __init_begin = .;
164                 INIT_DATA
165                 . = ALIGN(PAGE_SIZE);
166                 __init_end = .;
167 #endif
168
169                 . = ALIGN(PAGE_SIZE);
170                 __nosave_begin = .;
171                 *(.data.nosave)
172                 . = ALIGN(PAGE_SIZE);
173                 __nosave_end = .;
174
175                 /*
176                  * then the cacheline aligned data
177                  */
178                 . = ALIGN(32);
179                 *(.data.cacheline_aligned)
180
181                 /*
182                  * The exception fixup table (might need resorting at runtime)
183                  */
184                 . = ALIGN(32);
185                 __start___ex_table = .;
186 #ifdef CONFIG_MMU
187                 *(__ex_table)
188 #endif
189                 __stop___ex_table = .;
190
191                 /*
192                  * and the usual data section
193                  */
194                 DATA_DATA
195                 CONSTRUCTORS
196
197                 _edata = .;
198         }
199         _edata_loc = __data_loc + SIZEOF(.data);
200
201         .bss : {
202                 __bss_start = .;        /* BSS                          */
203                 *(.bss)
204                 *(COMMON)
205                 __bss_stop = .;
206                 _end = .;
207         }
208                                         /* Stabs debugging sections.    */
209         .stab 0 : { *(.stab) }
210         .stabstr 0 : { *(.stabstr) }
211         .stab.excl 0 : { *(.stab.excl) }
212         .stab.exclstr 0 : { *(.stab.exclstr) }
213         .stab.index 0 : { *(.stab.index) }
214         .stab.indexstr 0 : { *(.stab.indexstr) }
215         .comment 0 : { *(.comment) }
216 }
217
218 /*
219  * These must never be empty
220  * If you have to comment these two assert statements out, your
221  * binutils is too old (for other reasons as well)
222  */
223 ASSERT((__proc_info_end - __proc_info_begin), "missing CPU support")
224 ASSERT((__arch_info_end - __arch_info_begin), "no machine record defined")