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