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) 2006-2013 Helge Deller <deller@gmx.de> 10 */ 11 12/* 13 * Put page table entries (swapper_pg_dir) as the first thing in .bss. This 14 * will ensure that it has .bss alignment (PAGE_SIZE). 15 */ 16#define BSS_FIRST_SECTIONS *(.data..vm0.pmd) \ 17 *(.data..vm0.pgd) \ 18 *(.data..vm0.pte) 19 20#include <asm-generic/vmlinux.lds.h> 21 22/* needed for the processor specific cache alignment size */ 23#include <asm/cache.h> 24#include <asm/page.h> 25#include <asm/asm-offsets.h> 26#include <asm/thread_info.h> 27 28/* ld script to make hppa Linux kernel */ 29#ifndef CONFIG_64BIT 30OUTPUT_FORMAT("elf32-hppa-linux") 31OUTPUT_ARCH(hppa) 32#else 33OUTPUT_FORMAT("elf64-hppa-linux") 34OUTPUT_ARCH(hppa:hppa2.0w) 35#endif 36 37ENTRY(parisc_kernel_start) 38#ifndef CONFIG_64BIT 39jiffies = jiffies_64 + 4; 40#else 41jiffies = jiffies_64; 42#endif 43SECTIONS 44{ 45 . = KERNEL_BINARY_TEXT_START; 46 47 __init_begin = .; 48 HEAD_TEXT_SECTION 49 INIT_TEXT_SECTION(8) 50 51 . = ALIGN(PAGE_SIZE); 52 INIT_DATA_SECTION(PAGE_SIZE) 53 /* we have to discard exit text and such at runtime, not link time */ 54 .exit.text : 55 { 56 EXIT_TEXT 57 } 58 .exit.data : 59 { 60 EXIT_DATA 61 } 62 PERCPU_SECTION(8) 63 . = ALIGN(HUGEPAGE_SIZE); 64 __init_end = .; 65 /* freed after init ends here */ 66 67 _text = .; /* Text and read-only data */ 68 _stext = .; 69 .text ALIGN(PAGE_SIZE) : { 70 TEXT_TEXT 71 SCHED_TEXT 72 LOCK_TEXT 73 KPROBES_TEXT 74 IRQENTRY_TEXT 75 SOFTIRQENTRY_TEXT 76 *(.text.do_softirq) 77 *(.text.sys_exit) 78 *(.text.do_sigaltstack) 79 *(.text.do_fork) 80 *(.text.*) 81 *(.fixup) 82 *(.lock.text) /* out-of-line lock text */ 83 *(.gnu.warning) 84 } 85 . = ALIGN(PAGE_SIZE); 86 _etext = .; 87 /* End of text section */ 88 89 /* Start of data section */ 90 _sdata = .; 91 92 RO_DATA_SECTION(8) 93 94#ifdef CONFIG_64BIT 95 . = ALIGN(16); 96 /* Linkage tables */ 97 .opd : { 98 *(.opd) 99 } PROVIDE (__gp = .); 100 .plt : { 101 *(.plt) 102 } 103 .dlt : { 104 *(.dlt) 105 } 106#endif 107 108 /* unwind info */ 109 .PARISC.unwind : { 110 __start___unwind = .; 111 *(.PARISC.unwind) 112 __stop___unwind = .; 113 } 114 115 /* writeable */ 116 /* Make sure this is page aligned so 117 * that we can properly leave these 118 * as writable 119 */ 120 . = ALIGN(HUGEPAGE_SIZE); 121 data_start = .; 122 123 EXCEPTION_TABLE(8) 124 NOTES 125 126 /* Data */ 127 RW_DATA_SECTION(L1_CACHE_BYTES, PAGE_SIZE, PAGE_SIZE) 128 129 /* PA-RISC locks requires 16-byte alignment */ 130 . = ALIGN(16); 131 .data..lock_aligned : { 132 *(.data..lock_aligned) 133 } 134 135 /* End of data section */ 136 _edata = .; 137 138 /* BSS */ 139 BSS_SECTION(PAGE_SIZE, PAGE_SIZE, PAGE_SIZE) 140 141 /* bootmap is allocated in setup_bootmem() directly behind bss. */ 142 143 . = ALIGN(HUGEPAGE_SIZE); 144 _end = . ; 145 146 STABS_DEBUG 147 .note 0 : { *(.note) } 148 149 /* Sections to be discarded */ 150 DISCARDS 151 /DISCARD/ : { 152#ifdef CONFIG_64BIT 153 /* temporary hack until binutils is fixed to not emit these 154 * for static binaries 155 */ 156 *(.interp) 157 *(.dynsym) 158 *(.dynstr) 159 *(.dynamic) 160 *(.hash) 161 *(.gnu.hash) 162#endif 163 } 164} 165