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