contrib/binutils-2.27/ld/emulparams/elf_x86_64.sh

   1 . ${srcdir}/emulparams/plt_unwind.sh
   2 . ${srcdir}/emulparams/extern_protected_data.sh
   3 . ${srcdir}/emulparams/dynamic_undefined_weak.sh
   4 . ${srcdir}/emulparams/reloc_overflow.sh
   5 . ${srcdir}/emulparams/call_nop.sh
   6 SCRIPT_NAME=elf
   7 ELFSIZE=64
   8 OUTPUT_FORMAT="elf64-x86-64"
   9 CHECK_RELOCS_AFTER_OPEN_INPUT=yes
  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=elf32
  17 GENERATE_SHLIB_SCRIPT=yes
  18 GENERATE_PIE_SCRIPT=yes
  19 NO_SMALL_DATA=yes
  20 LARGE_SECTIONS=yes
  21 LARGE_BSS_AFTER_BSS=
  22 SEPARATE_GOTPLT="SIZEOF (.got.plt) >= 24 ? 24 : 0"
  23 IREL_IN_PLT=
  24 # Reuse TINY_READONLY_SECTION which is placed right after .plt section.
  25 TINY_READONLY_SECTION="
  26 .plt.got      ${RELOCATING-0} : { *(.plt.got) }
  27 .plt.bnd      ${RELOCATING-0} : { *(.plt.bnd) }
  28 "
  29
  30 if [ "x${host}" = "x${target}" ]; then
  31   case " $EMULATION_LIBPATH " in
  32     *" ${EMULATION_NAME} "*)
  33       NATIVE=yes
  34   esac
  35 fi
  36
  37 # Linux/Solaris modify the default library search path to first include
  38 # a 64-bit specific directory.
  39 case "$target" in
  40   x86_64*-linux*|i[3-7]86-*-linux-*)
  41     case "$EMULATION_NAME" in
  42       *64*)
  43         LIBPATH_SUFFIX=64
  44         PARSE_AND_LIST_OPTIONS_BNDPLT='
  45   fprintf (file, _("\
  46   -z bndplt                   Always generate BND prefix in PLT entries\n"));
  47 '
  48         PARSE_AND_LIST_ARGS_CASE_Z_BNDPLT='
  49       else if (strcmp (optarg, "bndplt") == 0)
  50         link_info.bndplt = TRUE;
  51 '
  52         PARSE_AND_LIST_OPTIONS="$PARSE_AND_LIST_OPTIONS $PARSE_AND_LIST_OPTIONS_BNDPLT"
  53         PARSE_AND_LIST_ARGS_CASE_Z="$PARSE_AND_LIST_ARGS_CASE_Z $PARSE_AND_LIST_ARGS_CASE_Z_BNDPLT"
  54         ;;
  55     esac
  56     ;;
  57   *-*-solaris2*)
  58     LIBPATH_SUFFIX=/amd64
  59     ELF_INTERPRETER_NAME=\"/lib/amd64/ld.so.1\"
  60   ;;
  61 esac