1/* Kernel link layout for various "sections" 2 * 3 * Copyright (C) 1999-2003 Matthew Wilcox <willy at parisc-linux.org> 4 * Copyright (C) 2000-2003 Paul Bame <bame at parisc-linux.org> 5 * Copyright (C) 2000 John Marvin <jsm at parisc-linux.org> 6 * Copyright (C) 2000 Michael Ang <mang with subcarrier.org> 7 * Copyright (C) 2002 Randolph Chung <tausq with parisc-linux.org> 8 * Copyright (C) 2003 James Bottomley <jejb with parisc-linux.org> 9 * Copyright (C) 2006 Helge Deller <deller@gmx.de> 10 * 11 * 12 * This program is free software; you can redistribute it and/or modify 13 * it under the terms of the GNU General Public License as published by 14 * the Free Software Foundation; either version 2 of the License, or 15 * (at your option) any later version. 16 * 17 * This program is distributed in the hope that it will be useful, 18 * but WITHOUT ANY WARRANTY; without even the implied warranty of 19 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the 20 * GNU General Public License for more details. 21 * 22 * You should have received a copy of the GNU General Public License 23 * along with this program; if not, write to the Free Software 24 * Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA 25 */ 26#include <asm-generic/vmlinux.lds.h> 27/* needed for the processor specific cache alignment size */ 28#include <asm/cache.h> 29#include <asm/page.h> 30#include <asm/asm-offsets.h> 31#include <asm/thread_info.h> 32 33/* ld script to make hppa Linux kernel */ 34#ifndef CONFIG_64BIT 35OUTPUT_FORMAT("elf32-hppa-linux") 36OUTPUT_ARCH(hppa) 37#else 38OUTPUT_FORMAT("elf64-hppa-linux") 39OUTPUT_ARCH(hppa:hppa2.0w) 40#endif 41 42ENTRY(_stext) 43#ifndef CONFIG_64BIT 44jiffies = jiffies_64 + 4; 45#else 46jiffies = jiffies_64; 47#endif 48SECTIONS 49{ 50 . = KERNEL_BINARY_TEXT_START; 51 52 _text = .; /* Text and read-only data */ 53 .head ALIGN(16) : { 54 HEAD_TEXT 55 } = 0 56 .text ALIGN(16) : { 57 TEXT_TEXT 58 SCHED_TEXT 59 LOCK_TEXT 60 KPROBES_TEXT 61 IRQENTRY_TEXT 62 *(.text.do_softirq) 63 *(.text.sys_exit) 64 *(.text.do_sigaltstack) 65 *(.text.do_fork) 66 *(.text.*) 67 *(.fixup) 68 *(.lock.text) /* out-of-line lock text */ 69 *(.gnu.warning) 70 } 71 /* End of text section */ 72 _etext = .; 73 74 /* Start of data section */ 75 _sdata = .; 76 77 RODATA 78 79 /* writeable */ 80 /* Make sure this is page aligned so 81 * that we can properly leave these 82 * as writable 83 */ 84 . = ALIGN(PAGE_SIZE); 85 data_start = .; 86 87 /* unwind info */ 88 .PARISC.unwind : { 89 __start___unwind = .; 90 *(.PARISC.unwind) 91 __stop___unwind = .; 92 } 93 94 EXCEPTION_TABLE(16) 95 NOTES 96 97 /* Data */ 98 RW_DATA_SECTION(L1_CACHE_BYTES, PAGE_SIZE, THREAD_SIZE) 99 100 /* PA-RISC locks requires 16-byte alignment */ 101 . = ALIGN(16); 102 .data..lock_aligned : { 103 *(.data..lock_aligned) 104 } 105 106 /* End of data section */ 107 _edata = .; 108 109 /* BSS */ 110 __bss_start = .; 111 /* page table entries need to be PAGE_SIZE aligned */ 112 . = ALIGN(PAGE_SIZE); 113 .data..vmpages : { 114 *(.data..vm0.pmd) 115 *(.data..vm0.pgd) 116 *(.data..vm0.pte) 117 } 118 .bss : { 119 *(.bss) 120 *(COMMON) 121 } 122 __bss_stop = .; 123 124#ifdef CONFIG_64BIT 125 . = ALIGN(16); 126 /* Linkage tables */ 127 .opd : { 128 *(.opd) 129 } PROVIDE (__gp = .); 130 .plt : { 131 *(.plt) 132 } 133 .dlt : { 134 *(.dlt) 135 } 136#endif 137 138 /* reserve space for interrupt stack by aligning __init* to 16k */ 139 . = ALIGN(16384); 140 __init_begin = .; 141 INIT_TEXT_SECTION(16384) 142 . = ALIGN(PAGE_SIZE); 143 INIT_DATA_SECTION(16) 144 /* we have to discard exit text and such at runtime, not link time */ 145 .exit.text : 146 { 147 EXIT_TEXT 148 } 149 .exit.data : 150 { 151 EXIT_DATA 152 } 153 154 PERCPU_SECTION(L1_CACHE_BYTES) 155 . = ALIGN(PAGE_SIZE); 156 __init_end = .; 157 /* freed after init ends here */ 158 _end = . ; 159 160 STABS_DEBUG 161 .note 0 : { *(.note) } 162 163 /* Sections to be discarded */ 164 DISCARDS 165 /DISCARD/ : { 166#ifdef CONFIG_64BIT 167 /* temporary hack until binutils is fixed to not emit these 168 * for static binaries 169 */ 170 *(.interp) 171 *(.dynsym) 172 *(.dynstr) 173 *(.dynamic) 174 *(.hash) 175 *(.gnu.hash) 176#endif 177 } 178} 179