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 .init : { /* Init code and data */ 27 _stext = .; 28 _sinittext = .; 29 *(.init.text) 30 _einittext = .; 31 __proc_info_begin = .; 32 *(.proc.info.init) 33 __proc_info_end = .; 34 __arch_info_begin = .; 35 *(.arch.info.init) 36 __arch_info_end = .; 37 __tagtable_begin = .; 38 *(.taglist.init) 39 __tagtable_end = .; 40 . = ALIGN(16); 41 __setup_start = .; 42 *(.init.setup) 43 __setup_end = .; 44 __early_begin = .; 45 *(.early_param.init) 46 __early_end = .; 47 __initcall_start = .; 48 INITCALLS 49 __initcall_end = .; 50 __con_initcall_start = .; 51 *(.con_initcall.init) 52 __con_initcall_end = .; 53 __security_initcall_start = .; 54 *(.security_initcall.init) 55 __security_initcall_end = .; 56#ifdef CONFIG_BLK_DEV_INITRD 57 . = ALIGN(32); 58 __initramfs_start = .; 59 usr/built-in.o(.init.ramfs) 60 __initramfs_end = .; 61#endif 62 . = ALIGN(4096); 63 __per_cpu_start = .; 64 *(.data.percpu) 65 __per_cpu_end = .; 66#ifndef CONFIG_XIP_KERNEL 67 __init_begin = _stext; 68 *(.init.data) 69 . = ALIGN(4096); 70 __init_end = .; 71#endif 72 } 73 74 /DISCARD/ : { /* Exit code and data */ 75 *(.exit.text) 76 *(.exit.data) 77 *(.exitcall.exit) 78#ifndef CONFIG_MMU 79 *(.fixup) 80 *(__ex_table) 81#endif 82 } 83 84 .text : { /* Real text segment */ 85 _text = .; /* Text and read-only data */ 86 __exception_text_start = .; 87 *(.exception.text) 88 __exception_text_end = .; 89 *(.text) 90 SCHED_TEXT 91 LOCK_TEXT 92#ifdef CONFIG_MMU 93 *(.fixup) 94#endif 95 *(.gnu.warning) 96 *(.rodata) 97 *(.rodata.*) 98 *(.glue_7) 99 *(.glue_7t) 100 *(.got) /* Global offset table */ 101 } 102 103 RODATA 104 105 _etext = .; /* End of text and rodata section */ 106 107#ifdef CONFIG_XIP_KERNEL 108 __data_loc = ALIGN(4); /* location in binary */ 109 . = PAGE_OFFSET + TEXT_OFFSET; 110#else 111 . = ALIGN(THREAD_SIZE); 112 __data_loc = .; 113#endif 114 115 .data : AT(__data_loc) { 116 __data_start = .; /* address in memory */ 117 118 /* 119 * first, the init task union, aligned 120 * to an 8192 byte boundary. 121 */ 122 *(.init.task) 123 124#ifdef CONFIG_XIP_KERNEL 125 . = ALIGN(4096); 126 __init_begin = .; 127 *(.init.data) 128 . = ALIGN(4096); 129 __init_end = .; 130#endif 131 132 . = ALIGN(4096); 133 __nosave_begin = .; 134 *(.data.nosave) 135 . = ALIGN(4096); 136 __nosave_end = .; 137 138 /* 139 * then the cacheline aligned data 140 */ 141 . = ALIGN(32); 142 *(.data.cacheline_aligned) 143 144 /* 145 * The exception fixup table (might need resorting at runtime) 146 */ 147 . = ALIGN(32); 148 __start___ex_table = .; 149#ifdef CONFIG_MMU 150 *(__ex_table) 151#endif 152 __stop___ex_table = .; 153 154 /* 155 * and the usual data section 156 */ 157 *(.data) 158 CONSTRUCTORS 159 160 _edata = .; 161 } 162 _edata_loc = __data_loc + SIZEOF(.data); 163 164 .bss : { 165 __bss_start = .; /* BSS */ 166 *(.bss) 167 *(COMMON) 168 _end = .; 169 } 170 /* Stabs debugging sections. */ 171 .stab 0 : { *(.stab) } 172 .stabstr 0 : { *(.stabstr) } 173 .stab.excl 0 : { *(.stab.excl) } 174 .stab.exclstr 0 : { *(.stab.exclstr) } 175 .stab.index 0 : { *(.stab.index) } 176 .stab.indexstr 0 : { *(.stab.indexstr) } 177 .comment 0 : { *(.comment) } 178} 179 180/* 181 * These must never be empty 182 * If you have to comment these two assert statements out, your 183 * binutils is too old (for other reasons as well) 184 */ 185ASSERT((__proc_info_end - __proc_info_begin), "missing CPU support") 186ASSERT((__arch_info_end - __arch_info_begin), "no machine record defined") 187