ld/emulparams/elf_x86_64.sh

   1 source_sh ${srcdir}/emulparams/plt_unwind.sh
   2 source_sh ${srcdir}/emulparams/extern_protected_data.sh
   3 source_sh ${srcdir}/emulparams/dynamic_undefined_weak.sh
   4 source_sh ${srcdir}/emulparams/reloc_overflow.sh
   5 source_sh ${srcdir}/emulparams/call_nop.sh
   6 source_sh ${srcdir}/emulparams/cet.sh
   7 SCRIPT_NAME=elf
   8 ELFSIZE=64
   9 OUTPUT_FORMAT="elf64-x86-64"
  10 NO_REL_RELOCS=yes
  11 TEXT_START_ADDR=0x400000
  12 MAXPAGESIZE="CONSTANT (MAXPAGESIZE)"
  13 COMMONPAGESIZE="CONSTANT (COMMONPAGESIZE)"
  14 ARCH="i386:x86-64"
  15 MACHINE=
  16 TEMPLATE_NAME=elf
  17 EXTRA_EM_FILE="elf-x86"
  18 GENERATE_SHLIB_SCRIPT=yes
  19 GENERATE_PIE_SCRIPT=yes
  20 NO_SMALL_DATA=yes
  21 LARGE_SECTIONS=yes
  22 LARGE_BSS_AFTER_BSS=
  23 SEPARATE_GOTPLT="SIZEOF (.got.plt) >= 24 ? 24 : 0"
  24 IREL_IN_PLT=
  25 # These sections are placed right after .plt section.
  26 OTHER_PLT_SECTIONS="
  27 .plt.got      ${RELOCATING-0} : { *(.plt.got) }
  28 .plt.sec      ${RELOCATING-0} : { *(.plt.sec) }
  29 "
  30
  31 if [ "x${host}" = "x${target}" ]; then
  32   case " $EMULATION_LIBPATH " in
  33     *" ${EMULATION_NAME} "*)
  34       NATIVE=yes
  35   esac
  36 fi
  37
  38 # Linux/Solaris modify the default library search path to first include
  39 # a 64-bit specific directory.
  40 case "$target" in
  41   x86_64*-linux*|i[3-7]86-*-linux-*)
  42     case "$EMULATION_NAME" in
  43       *64*)
  44         LIBPATH_SUFFIX=64
  45         PARSE_AND_LIST_OPTIONS_BNDPLT='
  46   fprintf (file, _("\
  47   -z bndplt                   Always generate BND prefix in PLT entries\n"));
  48 '
  49         PARSE_AND_LIST_ARGS_CASE_Z_BNDPLT='
  50       else if (strcmp (optarg, "bndplt") == 0)
  51         params.bndplt = TRUE;
  52 '
  53         PARSE_AND_LIST_OPTIONS="$PARSE_AND_LIST_OPTIONS $PARSE_AND_LIST_OPTIONS_BNDPLT"
  54         PARSE_AND_LIST_ARGS_CASE_Z="$PARSE_AND_LIST_ARGS_CASE_Z $PARSE_AND_LIST_ARGS_CASE_Z_BNDPLT"
  55         ;;
  56     esac
  57     ;;
  58   *-*-solaris2*)
  59     LIBPATH_SUFFIX=/amd64
  60     ELF_INTERPRETER_NAME=\"/lib/amd64/ld.so.1\"
  61   ;;
  62 esac