ld/emulparams/elf_x86_64.sh

   1 . ${srcdir}/emulparams/plt_unwind.sh
   2 SCRIPT_NAME=elf
   3 ELFSIZE=64
   4 OUTPUT_FORMAT="elf64-x86-64"
   5 NO_REL_RELOCS=yes
   6 TEXT_START_ADDR=0x400000
   7 MAXPAGESIZE="CONSTANT (MAXPAGESIZE)"
   8 COMMONPAGESIZE="CONSTANT (COMMONPAGESIZE)"
   9 ARCH="i386:x86-64"
  10 MACHINE=
  11 TEMPLATE_NAME=elf32
  12 GENERATE_SHLIB_SCRIPT=yes
  13 GENERATE_PIE_SCRIPT=yes
  14 NO_SMALL_DATA=yes
  15 LARGE_SECTIONS=yes
  16 LARGE_BSS_AFTER_BSS=
  17 SEPARATE_GOTPLT="SIZEOF (.got.plt) >= 24 ? 24 : 0"
  18 IREL_IN_PLT=
  19 # Reuse TINY_READONLY_SECTION which is placed right after .plt section.
  20 TINY_READONLY_SECTION="
  21 .plt.got      ${RELOCATING-0} : { *(.plt.got) }
  22 .plt.bnd      ${RELOCATING-0} : { *(.plt.bnd) }
  23 "
  24
  25 if [ "x${host}" = "x${target}" ]; then
  26   case " $EMULATION_LIBPATH " in
  27     *" ${EMULATION_NAME} "*)
  28       NATIVE=yes
  29   esac
  30 fi
  31
  32 # Linux/Solaris modify the default library search path to first include
  33 # a 64-bit specific directory.
  34 case "$target" in
  35   x86_64*-linux*|i[3-7]86-*-linux-*)
  36     case "$EMULATION_NAME" in
  37       *64*)
  38         LIBPATH_SUFFIX=64
  39         PARSE_AND_LIST_OPTIONS='
  40   fprintf (file, _("\
  41   -z bndplt                   Always generate BND prefix in PLT entries\n"));
  42 '
  43         PARSE_AND_LIST_ARGS_CASE_Z='
  44       else if (strcmp (optarg, "bndplt") == 0)
  45         link_info.bndplt = TRUE;
  46 '
  47         ;;
  48     esac
  49     ;;
  50   *-*-solaris2*)
  51     LIBPATH_SUFFIX=/amd64
  52     ELF_INTERPRETER_NAME=\"/lib/amd64/ld.so.1\"
  53   ;;
  54 esac