ld/emulparams/elf32ppccommon.sh

   1 # The PLT-agnostic parts of a generic 32-bit ELF PowerPC target.  Included by:
   2 # elf32ppc.sh elf32ppcvxworks.sh elf64ppc.sh
   3 TEMPLATE_NAME=elf32
   4 GENERATE_SHLIB_SCRIPT=yes
   5 GENERATE_PIE_SCRIPT=yes
   6 SCRIPT_NAME=elf
   7 OUTPUT_FORMAT="elf32-powerpc"
   8 NO_REL_RELOCS=yes
   9 TEXT_START_ADDR=0x01800000
  10 MAXPAGESIZE="CONSTANT (MAXPAGESIZE)"
  11 COMMONPAGESIZE="CONSTANT (COMMONPAGESIZE)"
  12 ARCH=powerpc:common
  13 MACHINE=
  14 EXECUTABLE_SYMBOLS='PROVIDE (__stack = 0); PROVIDE (___stack = 0);'
  15 if test -z "${CREATE_SHLIB}"; then
  16   SBSS_START_SYMBOLS="PROVIDE (__sbss_start = .); PROVIDE (___sbss_start = .);"
  17   SBSS_END_SYMBOLS="PROVIDE (__sbss_end = .); PROVIDE (___sbss_end = .);"
  18 else
  19   unset SDATA_START_SYMBOLS
  20   unset SDATA2_START_SYMBOLS
  21   unset SBSS_START_SYMBOLS
  22   unset SBSS_END_SYMBOLS
  23 fi
  24 OTHER_END_SYMBOLS="__end = .;"
  25 OTHER_RELRO_SECTIONS="
  26   .fixup        ${RELOCATING-0} : { *(.fixup) }
  27   .got1         ${RELOCATING-0} : { *(.got1) }
  28   .got2         ${RELOCATING-0} : { *(.got2) }
  29 "
  30 OTHER_GOT_RELOC_SECTIONS="
  31   .rela.got1         ${RELOCATING-0} : { *(.rela.got1) }
  32   .rela.got2         ${RELOCATING-0} : { *(.rela.got2) }
  33 "
  34
  35 # Treat a host that matches the target with the possible exception of "64"
  36 # in the name as if it were native.
  37 if test `echo "$host" | sed -e s/64//` = `echo "$target" | sed -e s/64//`; then
  38   case " $EMULATION_LIBPATH " in
  39     *" ${EMULATION_NAME} "*)
  40       NATIVE=yes
  41       ;;
  42   esac
  43 fi
  44
  45 # Look for 64 bit target libraries in /lib64, /usr/lib64 etc., first.
  46 # Similarly, look for 32 bit libraries in /lib32, /usr/lib32 etc.
  47 case "$host":"$EMULATION_NAME" in
  48   *le-*:*64lppc*) LIBPATH_SUFFIX=64 ;;
  49   *le-*:*32lppc*) LIBPATH_SUFFIX=32 ;;
  50   *le-*:*64*) LIBPATH_SUFFIX=64be ;;
  51   *le-*:*32*) LIBPATH_SUFFIX=32be ;;
  52   *:*64lppc*) LIBPATH_SUFFIX=64le ;;
  53   *:*32lppc*) LIBPATH_SUFFIX=32le ;;
  54   *:*64*) LIBPATH_SUFFIX=64 ;;
  55   *:*32*) LIBPATH_SUFFIX=32 ;;
  56 esac