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 .text ALIGN(16) : { 54 HEAD_TEXT 55 TEXT_TEXT 56 SCHED_TEXT 57 LOCK_TEXT 58 KPROBES_TEXT 59 IRQENTRY_TEXT 60 *(.text.do_softirq) 61 *(.text.sys_exit) 62 *(.text.do_sigaltstack) 63 *(.text.do_fork) 64 *(.text.*) 65 *(.fixup) 66 *(.lock.text) /* out-of-line lock text */ 67 *(.gnu.warning) 68 } = 0 69 /* End of text section */ 70 _etext = .; 71 72 RODATA 73 74 /* writeable */ 75 /* Make sure this is page aligned so 76 * that we can properly leave these 77 * as writable 78 */ 79 . = ALIGN(PAGE_SIZE); 80 data_start = .; 81 82 /* unwind info */ 83 .PARISC.unwind : { 84 __start___unwind = .; 85 *(.PARISC.unwind) 86 __stop___unwind = .; 87 } 88 89 EXCEPTION_TABLE(16) 90 NOTES 91 92 /* Data */ 93 RW_DATA_SECTION(L1_CACHE_BYTES, PAGE_SIZE, THREAD_SIZE) 94 95 /* PA-RISC locks requires 16-byte alignment */ 96 . = ALIGN(16); 97 .data..lock_aligned : { 98 *(.data..lock_aligned) 99 } 100 101 /* End of data section */ 102 _edata = .; 103 104 /* BSS */ 105 __bss_start = .; 106 /* page table entries need to be PAGE_SIZE aligned */ 107 . = ALIGN(PAGE_SIZE); 108 .data..vmpages : { 109 *(.data..vm0.pmd) 110 *(.data..vm0.pgd) 111 *(.data..vm0.pte) 112 } 113 .bss : { 114 *(.bss) 115 *(COMMON) 116 } 117 __bss_stop = .; 118 119#ifdef CONFIG_64BIT 120 . = ALIGN(16); 121 /* Linkage tables */ 122 .opd : { 123 *(.opd) 124 } PROVIDE (__gp = .); 125 .plt : { 126 *(.plt) 127 } 128 .dlt : { 129 *(.dlt) 130 } 131#endif 132 133 /* reserve space for interrupt stack by aligning __init* to 16k */ 134 . = ALIGN(16384); 135 __init_begin = .; 136 INIT_TEXT_SECTION(16384) 137 INIT_DATA_SECTION(16) 138 /* we have to discard exit text and such at runtime, not link time */ 139 .exit.text : 140 { 141 EXIT_TEXT 142 } 143 .exit.data : 144 { 145 EXIT_DATA 146 } 147 148 PERCPU(PAGE_SIZE) 149 . = ALIGN(PAGE_SIZE); 150 __init_end = .; 151 /* freed after init ends here */ 152 _end = . ; 153 154 STABS_DEBUG 155 .note 0 : { *(.note) } 156 157 /* Sections to be discarded */ 158 DISCARDS 159 /DISCARD/ : { 160#ifdef CONFIG_64BIT 161 /* temporary hack until binutils is fixed to not emit these 162 * for static binaries 163 */ 164 *(.interp) 165 *(.dynsym) 166 *(.dynstr) 167 *(.dynamic) 168 *(.hash) 169 *(.gnu.hash) 170#endif 171 } 172} 173