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(HUGEPAGE_SIZE); 65 __init_end = .; 66 /* freed after init ends here */ 67 68 _text = .; /* Text and read-only data */ 69 _stext = .; 70 .text ALIGN(PAGE_SIZE) : { 71 TEXT_TEXT 72 SCHED_TEXT 73 CPUIDLE_TEXT 74 LOCK_TEXT 75 KPROBES_TEXT 76 IRQENTRY_TEXT 77 SOFTIRQENTRY_TEXT 78 *(.text.do_softirq) 79 *(.text.sys_exit) 80 *(.text.do_sigaltstack) 81 *(.text.do_fork) 82 *(.text.div) 83 *($$*) /* millicode routines */ 84 *(.text.*) 85 *(.fixup) 86 *(.lock.text) /* out-of-line lock text */ 87 *(.gnu.warning) 88 } 89 . = ALIGN(PAGE_SIZE); 90 _etext = .; 91 /* End of text section */ 92 93 /* Start of data section */ 94 _sdata = .; 95 96 /* Architecturally we need to keep __gp below 0x1000000 and thus 97 * in front of RO_DATA_SECTION() which stores lots of tracepoint 98 * and ftrace symbols. */ 99#ifdef CONFIG_64BIT 100 . = ALIGN(16); 101 /* Linkage tables */ 102 .opd : { 103 __start_opd = .; 104 *(.opd) 105 __end_opd = .; 106 } PROVIDE (__gp = .); 107 .plt : { 108 *(.plt) 109 } 110 .dlt : { 111 *(.dlt) 112 } 113#endif 114 115 RO_DATA_SECTION(8) 116 117 /* RO because of BUILDTIME_EXTABLE_SORT */ 118 EXCEPTION_TABLE(8) 119 NOTES 120 121 /* unwind info */ 122 .PARISC.unwind : { 123 __start___unwind = .; 124 *(.PARISC.unwind) 125 __stop___unwind = .; 126 } 127 128 /* writeable */ 129 /* Make sure this is page aligned so 130 * that we can properly leave these 131 * as writable 132 */ 133 . = ALIGN(HUGEPAGE_SIZE); 134 data_start = .; 135 136 /* Data */ 137 RW_DATA_SECTION(L1_CACHE_BYTES, PAGE_SIZE, PAGE_SIZE) 138 139 /* PA-RISC locks requires 16-byte alignment */ 140 . = ALIGN(16); 141 .data..lock_aligned : { 142 *(.data..lock_aligned) 143 } 144 145 /* End of data section */ 146 _edata = .; 147 148 /* BSS */ 149 BSS_SECTION(PAGE_SIZE, PAGE_SIZE, PAGE_SIZE) 150 151 . = ALIGN(HUGEPAGE_SIZE); 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