ld/emulparams/elf_x86_64.sh

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