Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 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> |
Russell King | 4f7a181 | 2005-05-05 13:11:00 +0100 | [diff] [blame] | 7 | #include <asm/thread_info.h> |
Nicolas Pitre | 37d07b7 | 2005-10-29 21:44:56 +0100 | [diff] [blame] | 8 | #include <asm/memory.h> |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 9 | |
| 10 | OUTPUT_ARCH(arm) |
| 11 | ENTRY(stext) |
Nicolas Pitre | 37d07b7 | 2005-10-29 21:44:56 +0100 | [diff] [blame] | 12 | |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 13 | #ifndef __ARMEB__ |
| 14 | jiffies = jiffies_64; |
| 15 | #else |
| 16 | jiffies = jiffies_64 + 4; |
| 17 | #endif |
Nicolas Pitre | 37d07b7 | 2005-10-29 21:44:56 +0100 | [diff] [blame] | 18 | |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 19 | SECTIONS |
| 20 | { |
Russell King | 9d4f13e | 2006-01-03 17:28:33 +0000 | [diff] [blame] | 21 | #ifdef CONFIG_XIP_KERNEL |
| 22 | . = XIP_VIRT_ADDR(CONFIG_XIP_PHYS_ADDR); |
| 23 | #else |
| 24 | . = PAGE_OFFSET + TEXT_OFFSET; |
| 25 | #endif |
Russell King | 08fdffd | 2007-05-08 15:15:45 +0100 | [diff] [blame] | 26 | .text.head : { |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 27 | _stext = .; |
Russell King | 08fdffd | 2007-05-08 15:15:45 +0100 | [diff] [blame] | 28 | _sinittext = .; |
| 29 | *(.text.head) |
| 30 | } |
| 31 | |
| 32 | .init : { /* Init code and data */ |
Sam Ravnborg | 01ba2bd | 2008-01-20 14:15:03 +0100 | [diff] [blame] | 33 | INIT_TEXT |
Russell King | 08fdffd | 2007-05-08 15:15:45 +0100 | [diff] [blame] | 34 | _einittext = .; |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 35 | __proc_info_begin = .; |
Ben Dooks | 02b7dd1 | 2005-09-20 16:35:03 +0100 | [diff] [blame] | 36 | *(.proc.info.init) |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 37 | __proc_info_end = .; |
| 38 | __arch_info_begin = .; |
Ben Dooks | 9d0fd1e | 2005-09-20 16:45:20 +0100 | [diff] [blame] | 39 | *(.arch.info.init) |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 40 | __arch_info_end = .; |
| 41 | __tagtable_begin = .; |
Ben Dooks | 9506057 | 2005-09-20 16:20:49 +0100 | [diff] [blame] | 42 | *(.taglist.init) |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 43 | __tagtable_end = .; |
| 44 | . = ALIGN(16); |
| 45 | __setup_start = .; |
| 46 | *(.init.setup) |
| 47 | __setup_end = .; |
| 48 | __early_begin = .; |
Ben Dooks | bfe6815 | 2005-09-20 16:25:12 +0100 | [diff] [blame] | 49 | *(.early_param.init) |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 50 | __early_end = .; |
| 51 | __initcall_start = .; |
Andrew Morton | 61ce1ef | 2006-10-27 11:41:44 -0700 | [diff] [blame] | 52 | INITCALLS |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 53 | __initcall_end = .; |
| 54 | __con_initcall_start = .; |
| 55 | *(.con_initcall.init) |
| 56 | __con_initcall_end = .; |
| 57 | __security_initcall_start = .; |
| 58 | *(.security_initcall.init) |
| 59 | __security_initcall_end = .; |
Jean-Paul Saman | 67d3822 | 2007-02-10 01:44:44 -0800 | [diff] [blame] | 60 | #ifdef CONFIG_BLK_DEV_INITRD |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 61 | . = ALIGN(32); |
| 62 | __initramfs_start = .; |
| 63 | usr/built-in.o(.init.ramfs) |
| 64 | __initramfs_end = .; |
Jean-Paul Saman | 67d3822 | 2007-02-10 01:44:44 -0800 | [diff] [blame] | 65 | #endif |
Jeremy Fitzhardinge | b6e3590 | 2007-05-02 19:27:12 +0200 | [diff] [blame] | 66 | . = ALIGN(4096); |
Tejun Heo | 19390c4 | 2009-03-10 16:27:48 +0900 | [diff] [blame] | 67 | __per_cpu_load = .; |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 68 | __per_cpu_start = .; |
Tejun Heo | 74e7904 | 2009-01-17 15:26:32 +0900 | [diff] [blame] | 69 | *(.data.percpu.page_aligned) |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 70 | *(.data.percpu) |
Fenghua Yu | 5fb7dc3 | 2007-07-19 01:48:12 -0700 | [diff] [blame] | 71 | *(.data.percpu.shared_aligned) |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 72 | __per_cpu_end = .; |
| 73 | #ifndef CONFIG_XIP_KERNEL |
| 74 | __init_begin = _stext; |
Sam Ravnborg | 01ba2bd | 2008-01-20 14:15:03 +0100 | [diff] [blame] | 75 | INIT_DATA |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 76 | . = ALIGN(4096); |
| 77 | __init_end = .; |
| 78 | #endif |
| 79 | } |
| 80 | |
| 81 | /DISCARD/ : { /* Exit code and data */ |
Sam Ravnborg | 01ba2bd | 2008-01-20 14:15:03 +0100 | [diff] [blame] | 82 | EXIT_TEXT |
| 83 | EXIT_DATA |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 84 | *(.exitcall.exit) |
Russell King | 9641c7c | 2006-06-21 20:38:17 +0100 | [diff] [blame] | 85 | #ifndef CONFIG_MMU |
| 86 | *(.fixup) |
| 87 | *(__ex_table) |
| 88 | #endif |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 89 | } |
| 90 | |
| 91 | .text : { /* Real text segment */ |
| 92 | _text = .; /* Text and read-only data */ |
Russell King | 7ab3f8d | 2007-03-02 15:01:36 +0000 | [diff] [blame] | 93 | __exception_text_start = .; |
| 94 | *(.exception.text) |
| 95 | __exception_text_end = .; |
Sam Ravnborg | 7664709 | 2007-05-13 00:31:33 +0200 | [diff] [blame] | 96 | TEXT_TEXT |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 97 | SCHED_TEXT |
| 98 | LOCK_TEXT |
Nicolas Pitre | 785d3cd | 2007-12-03 15:27:56 -0500 | [diff] [blame] | 99 | KPROBES_TEXT |
Russell King | 9641c7c | 2006-06-21 20:38:17 +0100 | [diff] [blame] | 100 | #ifdef CONFIG_MMU |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 101 | *(.fixup) |
Russell King | 9641c7c | 2006-06-21 20:38:17 +0100 | [diff] [blame] | 102 | #endif |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 103 | *(.gnu.warning) |
| 104 | *(.rodata) |
| 105 | *(.rodata.*) |
| 106 | *(.glue_7) |
| 107 | *(.glue_7t) |
| 108 | *(.got) /* Global offset table */ |
| 109 | } |
| 110 | |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 111 | RODATA |
| 112 | |
| 113 | _etext = .; /* End of text and rodata section */ |
| 114 | |
| 115 | #ifdef CONFIG_XIP_KERNEL |
| 116 | __data_loc = ALIGN(4); /* location in binary */ |
Russell King | 9d4f13e | 2006-01-03 17:28:33 +0000 | [diff] [blame] | 117 | . = PAGE_OFFSET + TEXT_OFFSET; |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 118 | #else |
Russell King | 4f7a181 | 2005-05-05 13:11:00 +0100 | [diff] [blame] | 119 | . = ALIGN(THREAD_SIZE); |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 120 | __data_loc = .; |
| 121 | #endif |
| 122 | |
| 123 | .data : AT(__data_loc) { |
Russell King | 37efe64 | 2008-12-01 11:53:07 +0000 | [diff] [blame] | 124 | _data = .; /* address in memory */ |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 125 | |
| 126 | /* |
| 127 | * first, the init task union, aligned |
| 128 | * to an 8192 byte boundary. |
| 129 | */ |
Russell King | 4efb448 | 2007-05-08 12:39:37 +0100 | [diff] [blame] | 130 | *(.data.init_task) |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 131 | |
| 132 | #ifdef CONFIG_XIP_KERNEL |
| 133 | . = ALIGN(4096); |
| 134 | __init_begin = .; |
Sam Ravnborg | 01ba2bd | 2008-01-20 14:15:03 +0100 | [diff] [blame] | 135 | INIT_DATA |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 136 | . = ALIGN(4096); |
| 137 | __init_end = .; |
| 138 | #endif |
| 139 | |
| 140 | . = ALIGN(4096); |
| 141 | __nosave_begin = .; |
| 142 | *(.data.nosave) |
| 143 | . = ALIGN(4096); |
| 144 | __nosave_end = .; |
| 145 | |
| 146 | /* |
| 147 | * then the cacheline aligned data |
| 148 | */ |
| 149 | . = ALIGN(32); |
| 150 | *(.data.cacheline_aligned) |
| 151 | |
| 152 | /* |
Nicolas Pitre | 13b1f64 | 2005-10-13 22:04:37 +0100 | [diff] [blame] | 153 | * The exception fixup table (might need resorting at runtime) |
| 154 | */ |
| 155 | . = ALIGN(32); |
| 156 | __start___ex_table = .; |
Russell King | 9641c7c | 2006-06-21 20:38:17 +0100 | [diff] [blame] | 157 | #ifdef CONFIG_MMU |
Nicolas Pitre | 13b1f64 | 2005-10-13 22:04:37 +0100 | [diff] [blame] | 158 | *(__ex_table) |
Russell King | 9641c7c | 2006-06-21 20:38:17 +0100 | [diff] [blame] | 159 | #endif |
Nicolas Pitre | 13b1f64 | 2005-10-13 22:04:37 +0100 | [diff] [blame] | 160 | __stop___ex_table = .; |
| 161 | |
| 162 | /* |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 163 | * and the usual data section |
| 164 | */ |
Sam Ravnborg | ca96725 | 2007-05-17 13:38:44 +0200 | [diff] [blame] | 165 | DATA_DATA |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 166 | CONSTRUCTORS |
| 167 | |
| 168 | _edata = .; |
| 169 | } |
Nicolas Pitre | e98ff7f | 2007-02-22 16:18:09 +0100 | [diff] [blame] | 170 | _edata_loc = __data_loc + SIZEOF(.data); |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 171 | |
| 172 | .bss : { |
| 173 | __bss_start = .; /* BSS */ |
| 174 | *(.bss) |
| 175 | *(COMMON) |
| 176 | _end = .; |
| 177 | } |
| 178 | /* Stabs debugging sections. */ |
| 179 | .stab 0 : { *(.stab) } |
| 180 | .stabstr 0 : { *(.stabstr) } |
| 181 | .stab.excl 0 : { *(.stab.excl) } |
| 182 | .stab.exclstr 0 : { *(.stab.exclstr) } |
| 183 | .stab.index 0 : { *(.stab.index) } |
| 184 | .stab.indexstr 0 : { *(.stab.indexstr) } |
| 185 | .comment 0 : { *(.comment) } |
| 186 | } |
| 187 | |
Russell King | 728f5c0 | 2005-11-17 16:43:14 +0000 | [diff] [blame] | 188 | /* |
| 189 | * These must never be empty |
| 190 | * If you have to comment these two assert statements out, your |
| 191 | * binutils is too old (for other reasons as well) |
| 192 | */ |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 193 | ASSERT((__proc_info_end - __proc_info_begin), "missing CPU support") |
| 194 | ASSERT((__arch_info_end - __arch_info_begin), "no machine record defined") |