Kernel/arch/x86_64/link.ld

   1 /*
   2  * Acess2 x86_64 Kernel
   3  * Linker Script
   4  */
   5
   6 /* _kernel_base = 0xFFFF800000000000; */
   7 /* -2 GiB */
   8 _kernel_base = 0xFFFFFFFF80000000;
   9
  10 /*
  11 OUTPUT_FORMAT(elf32-i386)
  12 OUTPUT_ARCH(i386:x86-64)
  13 */
  14 OUTPUT_FORMAT(elf64-x86-64)
  15 ENTRY(start)
  16
  17 SECTIONS {
  18         . = 0x100000;
  19         gKernelBase = .;
  20         . += SIZEOF_HEADERS;
  21         __load_addr = .;
  22         .multiboot : AT(ADDR(.multiboot)) {
  23                 *(.multiboot)
  24         }
  25
  26         . += _kernel_base;
  27
  28         .text ALIGN(0x1000): AT(ADDR(.text) - _kernel_base) {
  29                 *(.text)
  30         }
  31
  32         .usertext ALIGN(0x1000): AT(ADDR(.usertext) - _kernel_base) {
  33                 _UsertextBase = .;
  34                 *(.usertext)
  35                 _UsertextEnd = .;
  36         }
  37
  38         .rodata ALIGN(0x1000): AT(ADDR(.rodata) - _kernel_base) {
  39                 *(.initpd)
  40                 *(.rodata .rodata.*)
  41                 *(.rdata)
  42
  43                 . = ALIGN(0x10);
  44                 gKernelModules = .;
  45                 *(KMODULES)
  46                 gKernelModulesEnd = .;
  47                 . = ALIGN(0x10);
  48                 gKernelSymbols = .;
  49                 *(KEXPORT)
  50                 gKernelSymbolsEnd = .;
  51         }
  52
  53         .data ALIGN (0x1000) : AT(ADDR(.data) - _kernel_base) {
  54                 *(.padata)
  55                 *(.data)
  56         }
  57
  58         __bss_start = .;
  59         .bss : AT(ADDR(.bss) - _kernel_base) {
  60                 *(COMMON)
  61                 *(.bss)
  62         }
  63         gKernelEnd = (. + 0xFFF)&0xFFFFFFFFFFFFF000;
  64 }