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 NO_REL_RELOCS=yes
  10 TEXT_START_ADDR=0x400000
  11 MAXPAGESIZE="CONSTANT (MAXPAGESIZE)"
  12 COMMONPAGESIZE="CONSTANT (COMMONPAGESIZE)"
  13 ARCH="i386:x86-64"
  14 MACHINE=
  15 TEMPLATE_NAME=elf32
  16 GENERATE_SHLIB_SCRIPT=yes
  17 GENERATE_PIE_SCRIPT=yes
  18 NO_SMALL_DATA=yes
  19 LARGE_SECTIONS=yes
  20 LARGE_BSS_AFTER_BSS=
  21 SEPARATE_GOTPLT="SIZEOF (.got.plt) >= 24 ? 24 : 0"
  22 IREL_IN_PLT=
  23 # Reuse TINY_READONLY_SECTION which is placed right after .plt section.
  24 TINY_READONLY_SECTION="
  25 .plt.got      ${RELOCATING-0} : { *(.plt.got) }
  26 .plt.bnd      ${RELOCATING-0} : { *(.plt.bnd) }
  27 "
  28
  29 if [ "x${host}" = "x${target}" ]; then
  30   case " $EMULATION_LIBPATH " in
  31     *" ${EMULATION_NAME} "*)
  32       NATIVE=yes
  33   esac
  34 fi
  35
  36 # Linux/Solaris modify the default library search path to first include
  37 # a 64-bit specific directory.
  38 case "$target" in
  39   x86_64*-linux*|i[3-7]86-*-linux-*)
  40     case "$EMULATION_NAME" in
  41       *64*)
  42         LIBPATH_SUFFIX=64
  43         PARSE_AND_LIST_OPTIONS_BNDPLT='
  44   fprintf (file, _("\
  45   -z bndplt                   Always generate BND prefix in PLT entries\n"));
  46 '
  47         PARSE_AND_LIST_ARGS_CASE_Z_BNDPLT='
  48       else if (strcmp (optarg, "bndplt") == 0)
  49         link_info.bndplt = TRUE;
  50 '
  51         PARSE_AND_LIST_OPTIONS="$PARSE_AND_LIST_OPTIONS $PARSE_AND_LIST_OPTIONS_BNDPLT"
  52         PARSE_AND_LIST_ARGS_CASE_Z="$PARSE_AND_LIST_ARGS_CASE_Z $PARSE_AND_LIST_ARGS_CASE_Z_BNDPLT"
  53         ;;
  54     esac
  55     ;;
  56   *-*-solaris2*)
  57     LIBPATH_SUFFIX=/amd64
  58     ELF_INTERPRETER_NAME=\"/lib/amd64/ld.so.1\"
  59   ;;
  60 esac