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 10OUTPUT_ARCH(arm) 11ENTRY(stext) 12 13#ifndef __ARMEB__ 14jiffies = jiffies_64; 15#else 16jiffies = jiffies_64 + 4; 17#endif 18 19SECTIONS 20{ 21#ifdef CONFIG_XIP_KERNEL 22 . = XIP_VIRT_ADDR(CONFIG_XIP_PHYS_ADDR); 23#else 24 . = PAGE_OFFSET + TEXT_OFFSET; 25#endif 26 .text.head : { 27 _stext = .; 28 _sinittext = .; 29 *(.text.head) 30 } 31 32 .init : { /* Init code and data */ 33 INIT_TEXT 34 _einittext = .; 35 __proc_info_begin = .; 36 *(.proc.info.init) 37 __proc_info_end = .; 38 __arch_info_begin = .; 39 *(.arch.info.init) 40 __arch_info_end = .; 41 __tagtable_begin = .; 42 *(.taglist.init) 43 __tagtable_end = .; 44 . = ALIGN(16); 45 __setup_start = .; 46 *(.init.setup) 47 __setup_end = .; 48 __early_begin = .; 49 *(.early_param.init) 50 __early_end = .; 51 __initcall_start = .; 52 INITCALLS 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 = .; 60#ifdef CONFIG_BLK_DEV_INITRD 61 . = ALIGN(32); 62 __initramfs_start = .; 63 usr/built-in.o(.init.ramfs) 64 __initramfs_end = .; 65#endif 66 . = ALIGN(4096); 67 __per_cpu_start = .; 68 *(.data.percpu) 69 *(.data.percpu.shared_aligned) 70 __per_cpu_end = .; 71#ifndef CONFIG_XIP_KERNEL 72 __init_begin = _stext; 73 INIT_DATA 74 . = ALIGN(4096); 75 __init_end = .; 76#endif 77 } 78 79 /DISCARD/ : { /* Exit code and data */ 80 EXIT_TEXT 81 EXIT_DATA 82 *(.exitcall.exit) 83#ifndef CONFIG_MMU 84 *(.fixup) 85 *(__ex_table) 86#endif 87 } 88 89 .text : { /* Real text segment */ 90 _text = .; /* Text and read-only data */ 91 __exception_text_start = .; 92 *(.exception.text) 93 __exception_text_end = .; 94 TEXT_TEXT 95 SCHED_TEXT 96 LOCK_TEXT 97 KPROBES_TEXT 98#ifdef CONFIG_MMU 99 *(.fixup) 100#endif 101 *(.gnu.warning) 102 *(.rodata) 103 *(.rodata.*) 104 *(.glue_7) 105 *(.glue_7t) 106 *(.got) /* Global offset table */ 107 } 108 109 RODATA 110 111 _etext = .; /* End of text and rodata section */ 112 113#ifdef CONFIG_XIP_KERNEL 114 __data_loc = ALIGN(4); /* location in binary */ 115 . = PAGE_OFFSET + TEXT_OFFSET; 116#else 117 . = ALIGN(THREAD_SIZE); 118 __data_loc = .; 119#endif 120 121 .data : AT(__data_loc) { 122 __data_start = .; /* address in memory */ 123 124 /* 125 * first, the init task union, aligned 126 * to an 8192 byte boundary. 127 */ 128 *(.data.init_task) 129 130#ifdef CONFIG_XIP_KERNEL 131 . = ALIGN(4096); 132 __init_begin = .; 133 INIT_DATA 134 . = ALIGN(4096); 135 __init_end = .; 136#endif 137 138 . = ALIGN(4096); 139 __nosave_begin = .; 140 *(.data.nosave) 141 . = ALIGN(4096); 142 __nosave_end = .; 143 144 /* 145 * then the cacheline aligned data 146 */ 147 . = ALIGN(32); 148 *(.data.cacheline_aligned) 149 150 /* 151 * The exception fixup table (might need resorting at runtime) 152 */ 153 . = ALIGN(32); 154 __start___ex_table = .; 155#ifdef CONFIG_MMU 156 *(__ex_table) 157#endif 158 __stop___ex_table = .; 159 160 /* 161 * and the usual data section 162 */ 163 DATA_DATA 164 CONSTRUCTORS 165 166 _edata = .; 167 } 168 _edata_loc = __data_loc + SIZEOF(.data); 169 170 .bss : { 171 __bss_start = .; /* BSS */ 172 *(.bss) 173 *(COMMON) 174 _end = .; 175 } 176 /* Stabs debugging sections. */ 177 .stab 0 : { *(.stab) } 178 .stabstr 0 : { *(.stabstr) } 179 .stab.excl 0 : { *(.stab.excl) } 180 .stab.exclstr 0 : { *(.stab.exclstr) } 181 .stab.index 0 : { *(.stab.index) } 182 .stab.indexstr 0 : { *(.stab.indexstr) } 183 .comment 0 : { *(.comment) } 184} 185 186/* 187 * These must never be empty 188 * If you have to comment these two assert statements out, your 189 * binutils is too old (for other reasons as well) 190 */ 191ASSERT((__proc_info_end - __proc_info_begin), "missing CPU support") 192ASSERT((__arch_info_end - __arch_info_begin), "no machine record defined") 193