arch/parisc/kernel/vmlinux.lds.S

   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
  32 /* ld script to make hppa Linux kernel */
  33 #ifndef CONFIG_64BIT
  34 OUTPUT_FORMAT("elf32-hppa-linux")
  35 OUTPUT_ARCH(hppa)
  36 #else
  37 OUTPUT_FORMAT("elf64-hppa-linux")
  38 OUTPUT_ARCH(hppa:hppa2.0w)
  39 #endif
  40
  41 ENTRY(_stext)
  42 #ifndef CONFIG_64BIT
  43 jiffies = jiffies_64 + 4;
  44 #else
  45 jiffies = jiffies_64;
  46 #endif
  47 SECTIONS
  48 {
  49
  50   . = KERNEL_BINARY_TEXT_START;
  51
  52   _text = .;                    /* Text and read-only data */
  53   .text ALIGN(16) : {
  54         *(.text)
  55         SCHED_TEXT
  56         LOCK_TEXT
  57         *(.text.do_softirq)
  58         *(.text.sys_exit)
  59         *(.text.do_sigaltstack)
  60         *(.text.do_fork)
  61         *(.text.*)
  62         *(.fixup)
  63         *(.lock.text)           /* out-of-line lock text */
  64         *(.gnu.warning)
  65         } = 0
  66
  67   _etext = .;                   /* End of text section */
  68
  69   RODATA
  70
  71   /* writeable */
  72   . = ALIGN(ASM_PAGE_SIZE);     /* Make sure this is page aligned so
  73                                    that we can properly leave these
  74                                    as writable */
  75   data_start = .;
  76
  77   . = ALIGN(16);                /* Exception table */
  78   __start___ex_table = .;
  79   __ex_table : { *(__ex_table) }
  80   __stop___ex_table = .;
  81
  82   __start___unwind = .;         /* unwind info */
  83   .PARISC.unwind : { *(.PARISC.unwind) }
  84   __stop___unwind = .;
  85
  86   /* rarely changed data like cpu maps */
  87   . = ALIGN(16);
  88   .data.read_mostly : { *(.data.read_mostly) }
  89
  90   . = ALIGN(L1_CACHE_BYTES);
  91   .data : {                     /* Data */
  92         *(.data)
  93         CONSTRUCTORS
  94         }
  95
  96   . = ALIGN(L1_CACHE_BYTES);
  97   .data.cacheline_aligned : { *(.data.cacheline_aligned) }
  98
  99   /* PA-RISC locks requires 16-byte alignment */
 100   . = ALIGN(16);
 101   .data.lock_aligned : { *(.data.lock_aligned) }
 102
 103   . = ALIGN(ASM_PAGE_SIZE);
 104   /* nosave data is really only used for software suspend...it's here
 105    * just in case we ever implement it */
 106   __nosave_begin = .;
 107   .data_nosave : { *(.data.nosave) }
 108   . = ALIGN(ASM_PAGE_SIZE);
 109   __nosave_end = .;
 110
 111   _edata = .;                   /* End of data section */
 112
 113   __bss_start = .;              /* BSS */
 114   /* page table entries need to be PAGE_SIZE aligned */
 115   . = ALIGN(ASM_PAGE_SIZE);
 116   .data.vmpages : {
 117         *(.data.vm0.pmd)
 118         *(.data.vm0.pgd)
 119         *(.data.vm0.pte)
 120         }
 121   .bss : { *(.bss) *(COMMON) }
 122   __bss_stop = .;
 123
 124
 125   /* assembler code expects init_task to be 16k aligned */
 126   . = ALIGN(16384);             /* init_task */
 127   .data.init_task : { *(.data.init_task) }
 128
 129   /* The interrupt stack is currently partially coded, but not yet
 130    * implemented */
 131   . = ALIGN(16384);
 132   init_istack : { *(init_istack) }
 133
 134 #ifdef CONFIG_64BIT
 135   . = ALIGN(16);               /* Linkage tables */
 136   .opd : { *(.opd) } PROVIDE (__gp = .);
 137   .plt : { *(.plt) }
 138   .dlt : { *(.dlt) }
 139 #endif
 140
 141   /* reserve space for interrupt stack by aligning __init* to 16k */
 142   . = ALIGN(16384);
 143   __init_begin = .;
 144   .init.text : {
 145         _sinittext = .;
 146         *(.init.text)
 147         _einittext = .;
 148   }
 149   .init.data : { *(.init.data) }
 150   . = ALIGN(16);
 151   __setup_start = .;
 152   .init.setup : { *(.init.setup) }
 153   __setup_end = .;
 154   __initcall_start = .;
 155   .initcall.init : {
 156         *(.initcall1.init)
 157         *(.initcall2.init)
 158         *(.initcall3.init)
 159         *(.initcall4.init)
 160         *(.initcall5.init)
 161         *(.initcall6.init)
 162         *(.initcall7.init)
 163   }
 164   __initcall_end = .;
 165   __con_initcall_start = .;
 166   .con_initcall.init : { *(.con_initcall.init) }
 167   __con_initcall_end = .;
 168   SECURITY_INIT
 169   /* alternate instruction replacement.  This is a mechanism x86 uses
 170    * to detect the CPU type and replace generic instruction sequences
 171    * with CPU specific ones.  We don't currently do this in PA, but
 172    * it seems like a good idea... */
 173   . = ALIGN(4);
 174   __alt_instructions = .;
 175   .altinstructions : { *(.altinstructions) }
 176   __alt_instructions_end = .;
 177  .altinstr_replacement : { *(.altinstr_replacement) }
 178   /* .exit.text is discard at runtime, not link time, to deal with references
 179      from .altinstructions and .eh_frame */
 180   .exit.text : { *(.exit.text) }
 181   .exit.data : { *(.exit.data) }
 182   . = ALIGN(ASM_PAGE_SIZE);
 183   __initramfs_start = .;
 184   .init.ramfs : { *(.init.ramfs) }
 185   __initramfs_end = .;
 186   . = ALIGN(32);
 187   __per_cpu_start = .;
 188   .data.percpu  : { *(.data.percpu) }
 189   __per_cpu_end = .;
 190   . = ALIGN(ASM_PAGE_SIZE);
 191   __init_end = .;
 192   /* freed after init ends here */
 193
 194   _end = . ;
 195
 196   /* Sections to be discarded */
 197   /DISCARD/ : {
 198         *(.exitcall.exit)
 199 #ifdef CONFIG_64BIT
 200         /* temporary hack until binutils is fixed to not emit these
 201          for static binaries */
 202         *(.interp)
 203         *(.dynsym)
 204         *(.dynstr)
 205         *(.dynamic)
 206         *(.hash)
 207 #endif
 208         }
 209
 210   STABS_DEBUG
 211   .note 0 : { *(.note) }
 212
 213 }