root/arch/sh/kernel/vmlinux.lds.S

   1 /* SPDX-License-Identifier: GPL-2.0 */
   2 /*
   3  * ld script to make SuperH Linux kernel
   4  * Written by Niibe Yutaka and Paul Mundt
   5  */
   6 #ifdef CONFIG_SUPERH64
   7 #define LOAD_OFFSET     PAGE_OFFSET
   8 OUTPUT_ARCH(sh:sh5)
   9 #else
  10 #define LOAD_OFFSET     0
  11 OUTPUT_ARCH(sh)
  12 #endif
  13 
  14 #include <asm/thread_info.h>
  15 #include <asm/cache.h>
  16 #include <asm/vmlinux.lds.h>
  17 
  18 #ifdef CONFIG_PMB
  19  #define MEMORY_OFFSET  0
  20 #else
  21  #define MEMORY_OFFSET  __MEMORY_START
  22 #endif
  23 
  24 ENTRY(_start)
  25 SECTIONS
  26 {
  27         . = PAGE_OFFSET + MEMORY_OFFSET + PHYSICAL_OFFSET + CONFIG_ZERO_PAGE_OFFSET;
  28 
  29         _text = .;              /* Text and read-only data */
  30 
  31         .empty_zero_page : AT(ADDR(.empty_zero_page) - LOAD_OFFSET) {
  32                 *(.empty_zero_page)
  33         } = 0
  34 
  35         .text : AT(ADDR(.text) - LOAD_OFFSET) {
  36                 HEAD_TEXT
  37                 TEXT_TEXT
  38                 EXTRA_TEXT
  39                 SCHED_TEXT
  40                 CPUIDLE_TEXT
  41                 LOCK_TEXT
  42                 KPROBES_TEXT
  43                 IRQENTRY_TEXT
  44                 SOFTIRQENTRY_TEXT
  45                 *(.fixup)
  46                 *(.gnu.warning)
  47                 _etext = .;             /* End of text section */
  48         } = 0x0009
  49 
  50         EXCEPTION_TABLE(16)
  51         NOTES
  52 
  53         _sdata = .;
  54         RO_DATA(PAGE_SIZE)
  55         RW_DATA_SECTION(L1_CACHE_BYTES, PAGE_SIZE, THREAD_SIZE)
  56         _edata = .;
  57 
  58         DWARF_EH_FRAME
  59 
  60         . = ALIGN(PAGE_SIZE);           /* Init code and data */
  61         __init_begin = .;
  62         INIT_TEXT_SECTION(PAGE_SIZE)
  63         INIT_DATA_SECTION(16)
  64 
  65         . = ALIGN(4);
  66         .machvec.init : AT(ADDR(.machvec.init) - LOAD_OFFSET) {
  67                 __machvec_start = .;
  68                 *(.machvec.init)
  69                 __machvec_end = .;
  70         }
  71 
  72         PERCPU_SECTION(L1_CACHE_BYTES)
  73 
  74         /*
  75          * .exit.text is discarded at runtime, not link time, to deal with
  76          * references from __bug_table
  77          */
  78         .exit.text : AT(ADDR(.exit.text) - LOAD_OFFSET) { EXIT_TEXT }
  79         .exit.data : AT(ADDR(.exit.data) - LOAD_OFFSET) { EXIT_DATA }
  80 
  81         . = ALIGN(PAGE_SIZE);
  82         __init_end = .;
  83         BSS_SECTION(0, PAGE_SIZE, 4)
  84         _end = . ;
  85 
  86         STABS_DEBUG
  87         DWARF_DEBUG
  88 
  89         DISCARDS
  90 }