ld/emulparams/elf_x86_64.sh

   1 . ${srcdir}/emulparams/plt_unwind.sh
   2 . ${srcdir}/emulparams/extern_protected_data.sh
   3 SCRIPT_NAME=elf
   4 ELFSIZE=64
   5 OUTPUT_FORMAT="elf64-x86-64"
   6 NO_REL_RELOCS=yes
   7 TEXT_START_ADDR=0x400000
   8 MAXPAGESIZE="CONSTANT (MAXPAGESIZE)"
   9 COMMONPAGESIZE="CONSTANT (COMMONPAGESIZE)"
  10 ARCH="i386:x86-64"
  11 MACHINE=
  12 TEMPLATE_NAME=elf32
  13 GENERATE_SHLIB_SCRIPT=yes
  14 GENERATE_PIE_SCRIPT=yes
  15 NO_SMALL_DATA=yes
  16 LARGE_SECTIONS=yes
  17 LARGE_BSS_AFTER_BSS=
  18 SEPARATE_GOTPLT="SIZEOF (.got.plt) >= 24 ? 24 : 0"
  19 IREL_IN_PLT=
  20 # Reuse TINY_READONLY_SECTION which is placed right after .plt section.
  21 TINY_READONLY_SECTION="
  22 .plt.got      ${RELOCATING-0} : { *(.plt.got) }
  23 .plt.bnd      ${RELOCATING-0} : { *(.plt.bnd) }
  24 "
  25
  26 if [ "x${host}" = "x${target}" ]; then
  27   case " $EMULATION_LIBPATH " in
  28     *" ${EMULATION_NAME} "*)
  29       NATIVE=yes
  30   esac
  31 fi
  32
  33 # Linux/Solaris modify the default library search path to first include
  34 # a 64-bit specific directory.
  35 case "$target" in
  36   x86_64*-linux*|i[3-7]86-*-linux-*)
  37     case "$EMULATION_NAME" in
  38       *64*)
  39         LIBPATH_SUFFIX=64
  40         PARSE_AND_LIST_OPTIONS_BNDPLT='
  41   fprintf (file, _("\
  42   -z bndplt                   Always generate BND prefix in PLT entries\n"));
  43 '
  44         PARSE_AND_LIST_ARGS_CASE_Z_BNDPLT='
  45       else if (strcmp (optarg, "bndplt") == 0)
  46         link_info.bndplt = TRUE;
  47 '
  48         PARSE_AND_LIST_OPTIONS="$PARSE_AND_LIST_OPTIONS $PARSE_AND_LIST_OPTIONS_BNDPLT"
  49         PARSE_AND_LIST_ARGS_CASE_Z="$PARSE_AND_LIST_ARGS_CASE_Z $PARSE_AND_LIST_ARGS_CASE_Z_BNDPLT"
  50         ;;
  51     esac
  52     ;;
  53   *-*-solaris2*)
  54     LIBPATH_SUFFIX=/amd64
  55     ELF_INTERPRETER_NAME=\"/lib/amd64/ld.so.1\"
  56   ;;
  57 esac