ld/emulparams/aarch64linux.sh

   1 ARCH=aarch64
   2 MACHINE=
   3 NOP=0x1f2003d5
   4
   5 SCRIPT_NAME=elf
   6 ELFSIZE=64
   7 OUTPUT_FORMAT="elf64-littleaarch64"
   8 BIG_OUTPUT_FORMAT="elf64-bigaarch64"
   9 LITTLE_OUTPUT_FORMAT="elf64-littleaarch64"
  10 NO_REL_RELOCS=yes
  11
  12 TEMPLATE_NAME=elf32
  13 EXTRA_EM_FILE=aarch64elf
  14
  15 GENERATE_SHLIB_SCRIPT=yes
  16 GENERATE_PIE_SCRIPT=yes
  17
  18 MAXPAGESIZE="CONSTANT (MAXPAGESIZE)"
  19 COMMONPAGESIZE="CONSTANT (COMMONPAGESIZE)"
  20 SEPARATE_GOTPLT=24
  21 IREL_IN_PLT=
  22
  23 TEXT_START_ADDR=0x400000
  24
  25 DATA_START_SYMBOLS='PROVIDE (__data_start = .);';
  26
  27 # AArch64 does not support .s* sections.
  28 NO_SMALL_DATA=yes
  29
  30 OTHER_BSS_SYMBOLS="${CREATE_SHLIB+PROVIDE (}__bss_start__ = .${CREATE_SHLIB+)};"
  31 OTHER_BSS_END_SYMBOLS="${CREATE_SHLIB+PROVIDE (}_bss_end__ = .${CREATE_SHLIB+)}; ${CREATE_SHLIB+PROVIDE (}__bss_end__ = .${CREATE_SHLIB+)};"
  32 OTHER_END_SYMBOLS="${CREATE_SHLIB+PROVIDE (}__end__ = .${CREATE_SHLIB+)};"
  33
  34 OTHER_SECTIONS='.note.gnu.arm.ident 0 : { KEEP (*(.note.gnu.arm.ident)) }'
  35 ATTRS_SECTIONS='.ARM.attributes 0 : { KEEP (*(.ARM.attributes)) KEEP (*(.gnu.attributes)) }'
  36 # Ensure each PLT entry is aligned to a cache line.
  37 PLT=".plt          ${RELOCATING-0} : ALIGN(16) { *(.plt)${RELOCATING+${IREL_IN_PLT+ *(.iplt)}} }"
  38
  39 # Linux modifies the default library search path to first include
  40 # a 64-bit specific directory.
  41 case "$target" in
  42   aarch64*-linux*)
  43     case "$EMULATION_NAME" in
  44       aarch64linux*) LIBPATH_SUFFIX=64 ;;
  45     esac
  46     ;;
  47 esac
  48
  49 ELF_INTERPRETER_NAME=\"/lib/ld-linux-aarch64.so.1\"