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 source_sh ${srcdir}/emulparams/dynamic_undefined_weak.sh
   4
   5 TEMPLATE_NAME=elf32
   6 GENERATE_SHLIB_SCRIPT=yes
   7 GENERATE_PIE_SCRIPT=yes
   8 SCRIPT_NAME=elf
   9 OUTPUT_FORMAT="elf32-powerpc"
  10 NO_REL_RELOCS=yes
  11 TEXT_START_ADDR=0x01800000
  12 MAXPAGESIZE="CONSTANT (MAXPAGESIZE)"
  13 COMMONPAGESIZE="CONSTANT (COMMONPAGESIZE)"
  14 ARCH=powerpc:common
  15 MACHINE=
  16 EXECUTABLE_SYMBOLS='PROVIDE (__stack = 0); PROVIDE (___stack = 0);'
  17 if test -z "${CREATE_SHLIB}"; then
  18   SBSS_START_SYMBOLS="PROVIDE (__sbss_start = .); PROVIDE (___sbss_start = .);"
  19   SBSS_END_SYMBOLS="PROVIDE (__sbss_end = .); PROVIDE (___sbss_end = .);"
  20 else
  21   unset SDATA_START_SYMBOLS
  22   unset SDATA2_START_SYMBOLS
  23   unset SBSS_START_SYMBOLS
  24   unset SBSS_END_SYMBOLS
  25 fi
  26 OTHER_END_SYMBOLS="${CREATE_SHLIB+PROVIDE (}__end = .${CREATE_SHLIB+)};"
  27 OTHER_RELRO_SECTIONS="
  28   .fixup        ${RELOCATING-0} : { *(.fixup) }
  29   .got1         ${RELOCATING-0} : { *(.got1) }
  30   .got2         ${RELOCATING-0} : { *(.got2) }
  31 "
  32 OTHER_GOT_RELOC_SECTIONS="
  33   .rela.got1         ${RELOCATING-0} : { *(.rela.got1) }
  34   .rela.got2         ${RELOCATING-0} : { *(.rela.got2) }
  35 "
  36
  37 # Treat a host that matches the target with the possible exception of "64"
  38 # in the name as if it were native.
  39 if test `echo "$host" | sed -e s/64//` = `echo "$target" | sed -e s/64//`; then
  40   case " $EMULATION_LIBPATH " in
  41     *" ${EMULATION_NAME} "*)
  42       NATIVE=yes
  43       ;;
  44   esac
  45 fi
  46
  47 # Look for 64 bit target libraries in /lib64, /usr/lib64 etc., first.
  48 # Similarly, look for 32 bit libraries in /lib32, /usr/lib32 etc.
  49 case `echo "$target" | sed -e 's/-.*//'`:"$EMULATION_NAME" in
  50   *le:*64lppc*) LIBPATH_SUFFIX=64 ;;
  51   *le:*32lppc*) LIBPATH_SUFFIX=32 ;;
  52   *le:*64*) LIBPATH_SUFFIX=64be ;;
  53   *le:*32*) LIBPATH_SUFFIX=32be ;;
  54   *:*64lppc*) LIBPATH_SUFFIX=64le ;;
  55   *:*32lppc*) LIBPATH_SUFFIX=32le ;;
  56   *:*64*) LIBPATH_SUFFIX=64 ;;
  57   *:*32*) LIBPATH_SUFFIX=32 ;;
  58 esac