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_load = .; 68 __per_cpu_start = .; 69 *(.data.percpu.page_aligned) 70 *(.data.percpu) 71 *(.data.percpu.shared_aligned) 72 __per_cpu_end = .; 73#ifndef CONFIG_XIP_KERNEL 74 __init_begin = _stext; 75 INIT_DATA 76 . = ALIGN(4096); 77 __init_end = .; 78#endif 79 } 80 81 /DISCARD/ : { /* Exit code and data */ 82 EXIT_TEXT 83 EXIT_DATA 84 *(.exitcall.exit) 85 *(.ARM.exidx.exit.text) 86 *(.ARM.extab.exit.text) 87#ifndef CONFIG_HOTPLUG_CPU 88 *(.ARM.exidx.cpuexit.text) 89 *(.ARM.extab.cpuexit.text) 90#endif 91#ifndef CONFIG_HOTPLUG 92 *(.ARM.exidx.devexit.text) 93 *(.ARM.extab.devexit.text) 94#endif 95#ifndef CONFIG_MMU 96 *(.fixup) 97 *(__ex_table) 98#endif 99 } 100 101 .text : { /* Real text segment */ 102 _text = .; /* Text and read-only data */ 103 __exception_text_start = .; 104 *(.exception.text) 105 __exception_text_end = .; 106 TEXT_TEXT 107 SCHED_TEXT 108 LOCK_TEXT 109 KPROBES_TEXT 110#ifdef CONFIG_MMU 111 *(.fixup) 112#endif 113 *(.gnu.warning) 114 *(.rodata) 115 *(.rodata.*) 116 *(.glue_7) 117 *(.glue_7t) 118 *(.got) /* Global offset table */ 119 } 120 121 RODATA 122 123 _etext = .; /* End of text and rodata section */ 124 125#ifdef CONFIG_ARM_UNWIND 126 /* 127 * Stack unwinding tables 128 */ 129 . = ALIGN(8); 130 .ARM.unwind_idx : { 131 __start_unwind_idx = .; 132 *(.ARM.exidx*) 133 __stop_unwind_idx = .; 134 } 135 .ARM.unwind_tab : { 136 __start_unwind_tab = .; 137 *(.ARM.extab*) 138 __stop_unwind_tab = .; 139 } 140#endif 141 142#ifdef CONFIG_XIP_KERNEL 143 __data_loc = ALIGN(4); /* location in binary */ 144 . = PAGE_OFFSET + TEXT_OFFSET; 145#else 146 . = ALIGN(THREAD_SIZE); 147 __data_loc = .; 148#endif 149 150 .data : AT(__data_loc) { 151 _data = .; /* address in memory */ 152 _sdata = .; 153 154 /* 155 * first, the init task union, aligned 156 * to an 8192 byte boundary. 157 */ 158 *(.data.init_task) 159 160#ifdef CONFIG_XIP_KERNEL 161 . = ALIGN(4096); 162 __init_begin = .; 163 INIT_DATA 164 . = ALIGN(4096); 165 __init_end = .; 166#endif 167 168 . = ALIGN(4096); 169 __nosave_begin = .; 170 *(.data.nosave) 171 . = ALIGN(4096); 172 __nosave_end = .; 173 174 /* 175 * then the cacheline aligned data 176 */ 177 . = ALIGN(32); 178 *(.data.cacheline_aligned) 179 180 /* 181 * The exception fixup table (might need resorting at runtime) 182 */ 183 . = ALIGN(32); 184 __start___ex_table = .; 185#ifdef CONFIG_MMU 186 *(__ex_table) 187#endif 188 __stop___ex_table = .; 189 190 /* 191 * and the usual data section 192 */ 193 DATA_DATA 194 CONSTRUCTORS 195 196 _edata = .; 197 } 198 _edata_loc = __data_loc + SIZEOF(.data); 199 200 .bss : { 201 __bss_start = .; /* BSS */ 202 *(.bss) 203 *(COMMON) 204 __bss_stop = .; 205 _end = .; 206 } 207 /* Stabs debugging sections. */ 208 .stab 0 : { *(.stab) } 209 .stabstr 0 : { *(.stabstr) } 210 .stab.excl 0 : { *(.stab.excl) } 211 .stab.exclstr 0 : { *(.stab.exclstr) } 212 .stab.index 0 : { *(.stab.index) } 213 .stab.indexstr 0 : { *(.stab.indexstr) } 214 .comment 0 : { *(.comment) } 215} 216 217/* 218 * These must never be empty 219 * If you have to comment these two assert statements out, your 220 * binutils is too old (for other reasons as well) 221 */ 222ASSERT((__proc_info_end - __proc_info_begin), "missing CPU support") 223ASSERT((__arch_info_end - __arch_info_begin), "no machine record defined") 224