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(64); 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 *(.text) 87 SCHED_TEXT 88 LOCK_TEXT 89#ifdef CONFIG_MMU 90 *(.fixup) 91#endif 92 *(.gnu.warning) 93 *(.rodata) 94 *(.rodata.*) 95 *(.glue_7) 96 *(.glue_7t) 97 *(.got) /* Global offset table */ 98 } 99 100 RODATA 101 102 _etext = .; /* End of text and rodata section */ 103 104#ifdef CONFIG_XIP_KERNEL 105 __data_loc = ALIGN(4); /* location in binary */ 106 . = PAGE_OFFSET + TEXT_OFFSET; 107#else 108 . = ALIGN(THREAD_SIZE); 109 __data_loc = .; 110#endif 111 112 .data : AT(__data_loc) { 113 __data_start = .; /* address in memory */ 114 115 /* 116 * first, the init task union, aligned 117 * to an 8192 byte boundary. 118 */ 119 *(.init.task) 120 121#ifdef CONFIG_XIP_KERNEL 122 . = ALIGN(4096); 123 __init_begin = .; 124 *(.init.data) 125 . = ALIGN(4096); 126 __init_end = .; 127#endif 128 129 . = ALIGN(4096); 130 __nosave_begin = .; 131 *(.data.nosave) 132 . = ALIGN(4096); 133 __nosave_end = .; 134 135 /* 136 * then the cacheline aligned data 137 */ 138 . = ALIGN(32); 139 *(.data.cacheline_aligned) 140 141 /* 142 * The exception fixup table (might need resorting at runtime) 143 */ 144 . = ALIGN(32); 145 __start___ex_table = .; 146#ifdef CONFIG_MMU 147 *(__ex_table) 148#endif 149 __stop___ex_table = .; 150 151 /* 152 * and the usual data section 153 */ 154 *(.data) 155 CONSTRUCTORS 156 157 _edata = .; 158 } 159 _edata_loc = __data_loc + SIZEOF(.data); 160 161 .bss : { 162 __bss_start = .; /* BSS */ 163 *(.bss) 164 *(COMMON) 165 _end = .; 166 } 167 /* Stabs debugging sections. */ 168 .stab 0 : { *(.stab) } 169 .stabstr 0 : { *(.stabstr) } 170 .stab.excl 0 : { *(.stab.excl) } 171 .stab.exclstr 0 : { *(.stab.exclstr) } 172 .stab.index 0 : { *(.stab.index) } 173 .stab.indexstr 0 : { *(.stab.indexstr) } 174 .comment 0 : { *(.comment) } 175} 176 177/* 178 * These must never be empty 179 * If you have to comment these two assert statements out, your 180 * binutils is too old (for other reasons as well) 181 */ 182ASSERT((__proc_info_end - __proc_info_begin), "missing CPU support") 183ASSERT((__arch_info_end - __arch_info_begin), "no machine record defined") 184