1/* SPDX-License-Identifier: GPL-2.0 */ 2/* Kernel link layout for various "sections" 3 * 4 * Copyright (C) 1999-2003 Matthew Wilcox <willy at parisc-linux.org> 5 * Copyright (C) 2000-2003 Paul Bame <bame at parisc-linux.org> 6 * Copyright (C) 2000 John Marvin <jsm at parisc-linux.org> 7 * Copyright (C) 2000 Michael Ang <mang with subcarrier.org> 8 * Copyright (C) 2002 Randolph Chung <tausq with parisc-linux.org> 9 * Copyright (C) 2003 James Bottomley <jejb with parisc-linux.org> 10 * Copyright (C) 2006-2013 Helge Deller <deller@gmx.de> 11 */ 12 13/* 14 * Put page table entries (swapper_pg_dir) as the first thing in .bss. This 15 * will ensure that it has .bss alignment (PAGE_SIZE). 16 */ 17#define BSS_FIRST_SECTIONS *(.data..vm0.pmd) \ 18 *(.data..vm0.pgd) \ 19 *(.data..vm0.pte) 20 21#include <asm-generic/vmlinux.lds.h> 22 23/* needed for the processor specific cache alignment size */ 24#include <asm/cache.h> 25#include <asm/page.h> 26#include <asm/asm-offsets.h> 27#include <asm/thread_info.h> 28 29/* ld script to make hppa Linux kernel */ 30#ifndef CONFIG_64BIT 31OUTPUT_FORMAT("elf32-hppa-linux") 32OUTPUT_ARCH(hppa) 33#else 34OUTPUT_FORMAT("elf64-hppa-linux") 35OUTPUT_ARCH(hppa:hppa2.0w) 36#endif 37 38ENTRY(parisc_kernel_start) 39#ifndef CONFIG_64BIT 40jiffies = jiffies_64 + 4; 41#else 42jiffies = jiffies_64; 43#endif 44SECTIONS 45{ 46 . = KERNEL_BINARY_TEXT_START; 47 48 __init_begin = .; 49 HEAD_TEXT_SECTION 50 INIT_TEXT_SECTION(8) 51 52 . = ALIGN(PAGE_SIZE); 53 INIT_DATA_SECTION(PAGE_SIZE) 54 /* we have to discard exit text and such at runtime, not link time */ 55 .exit.text : 56 { 57 EXIT_TEXT 58 } 59 .exit.data : 60 { 61 EXIT_DATA 62 } 63 PERCPU_SECTION(8) 64 . = ALIGN(4); 65 .altinstructions : { 66 __alt_instructions = .; 67 *(.altinstructions) 68 __alt_instructions_end = .; 69 } 70 . = ALIGN(HUGEPAGE_SIZE); 71 __init_end = .; 72 /* freed after init ends here */ 73 74 _text = .; /* Text and read-only data */ 75 _stext = .; 76 .text ALIGN(PAGE_SIZE) : { 77 TEXT_TEXT 78 SCHED_TEXT 79 CPUIDLE_TEXT 80 LOCK_TEXT 81 KPROBES_TEXT 82 IRQENTRY_TEXT 83 SOFTIRQENTRY_TEXT 84 *(.text.do_softirq) 85 *(.text.sys_exit) 86 *(.text.do_sigaltstack) 87 *(.text.do_fork) 88 *(.text.div) 89 *($$*) /* millicode routines */ 90 *(.text.*) 91 *(.fixup) 92 *(.lock.text) /* out-of-line lock text */ 93 *(.gnu.warning) 94 } 95 . = ALIGN(PAGE_SIZE); 96 _etext = .; 97 /* End of text section */ 98 99 /* Start of data section */ 100 _sdata = .; 101 102 /* Architecturally we need to keep __gp below 0x1000000 and thus 103 * in front of RO_DATA_SECTION() which stores lots of tracepoint 104 * and ftrace symbols. */ 105#ifdef CONFIG_64BIT 106 . = ALIGN(16); 107 /* Linkage tables */ 108 .opd : { 109 __start_opd = .; 110 *(.opd) 111 __end_opd = .; 112 } PROVIDE (__gp = .); 113 .plt : { 114 *(.plt) 115 } 116 .dlt : { 117 *(.dlt) 118 } 119#endif 120 121 RO_DATA_SECTION(8) 122 123 /* RO because of BUILDTIME_EXTABLE_SORT */ 124 EXCEPTION_TABLE(8) 125 NOTES 126 127 /* unwind info */ 128 .PARISC.unwind : { 129 __start___unwind = .; 130 *(.PARISC.unwind) 131 __stop___unwind = .; 132 } 133 134 /* writeable */ 135 /* Make sure this is page aligned so 136 * that we can properly leave these 137 * as writable 138 */ 139 . = ALIGN(HUGEPAGE_SIZE); 140 data_start = .; 141 142 /* Data */ 143 RW_DATA_SECTION(L1_CACHE_BYTES, PAGE_SIZE, PAGE_SIZE) 144 145 /* PA-RISC locks requires 16-byte alignment */ 146 . = ALIGN(16); 147 .data..lock_aligned : { 148 *(.data..lock_aligned) 149 } 150 151 /* End of data section */ 152 _edata = .; 153 154 /* BSS */ 155 BSS_SECTION(PAGE_SIZE, PAGE_SIZE, PAGE_SIZE) 156 157 . = ALIGN(HUGEPAGE_SIZE); 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