ld/emulparams/elf32bmip.sh

   1 # If you change this file, please also look at files which source this one:
   2 # elf32b4300.sh elf32bsmip.sh elf32btsmip.sh elf32ebmip.sh elf32lmip.sh
   3 # elf32ebmipvxworks.sh elf32elmipvxworks.sh
   4
   5 SCRIPT_NAME=elf
   6 OUTPUT_FORMAT="elf32-bigmips"
   7 BIG_OUTPUT_FORMAT="elf32-bigmips"
   8 LITTLE_OUTPUT_FORMAT="elf32-littlemips"
   9 TEXT_START_ADDR=0x0400000
  10 test -n "${EMBEDDED}" || DATA_ADDR=0x10000000
  11 MAXPAGESIZE="CONSTANT (MAXPAGESIZE)"
  12 COMMONPAGESIZE="CONSTANT (COMMONPAGESIZE)"
  13 SHLIB_TEXT_START_ADDR=0x5ffe0000
  14 TEXT_DYNAMIC=
  15 INITIAL_READONLY_SECTIONS=
  16 if test -z "${CREATE_SHLIB}"; then
  17   INITIAL_READONLY_SECTIONS=".interp       ${RELOCATING-0} : { *(.interp) }"
  18 fi
  19 INITIAL_READONLY_SECTIONS="${INITIAL_READONLY_SECTIONS}
  20   .MIPS.abiflags ${RELOCATING-0} : { *(.MIPS.abiflags) }
  21   .reginfo       ${RELOCATING-0} : { *(.reginfo) }
  22 "
  23 OTHER_TEXT_SECTIONS='*(.mips16.fn.*) *(.mips16.call.*)'
  24 # Unlike most targets, the MIPS backend puts all dynamic relocations
  25 # in a single dynobj section, which it also calls ".rel.dyn".  It does
  26 # this so that it can easily sort all dynamic relocations before the
  27 # output section has been populated.
  28 OTHER_GOT_RELOC_SECTIONS="
  29   .rel.dyn      ${RELOCATING-0} : { *(.rel.dyn) }
  30 "
  31 # If the output has a GOT section, there must be exactly 0x7ff0 bytes
  32 # between .got and _gp.  The ". = ." below stops the orphan code from
  33 # inserting other sections between the assignment to _gp and the start
  34 # of .got.
  35 OTHER_GOT_SYMBOLS='
  36   . = .;
  37   HIDDEN (_gp = ALIGN (16) + 0x7ff0);
  38 '
  39 # .got.plt is only used for the PLT psABI extension.  It should not be
  40 # included in the .sdata block with .got, as there is no need to access
  41 # the section from _gp.  Note that the traditional:
  42 #
  43 #      . = .
  44 #      _gp = ALIGN (16) + 0x7ff0;
  45 #      .got : { *(.got.plt) *(.got) }
  46 #
  47 # would set _gp to the wrong value; _gp - 0x7ff0 must point to the start
  48 # of *(.got).
  49 GOT=".got          ${RELOCATING-0} : { *(.got) }"
  50 unset OTHER_READWRITE_SECTIONS
  51 unset OTHER_RELRO_SECTIONS
  52 if test -n "$RELRO_NOW"; then
  53   OTHER_RELRO_SECTIONS=".got.plt      ${RELOCATING-0} : { *(.got.plt) }"
  54 else
  55   OTHER_READWRITE_SECTIONS=".got.plt      ${RELOCATING-0} : { *(.got.plt) }"
  56 fi
  57
  58 OTHER_SDATA_SECTIONS="
  59   .lit8         ${RELOCATING-0} : { *(.lit8) }
  60   .lit4         ${RELOCATING-0} : { *(.lit4) }
  61 "
  62 TEXT_START_SYMBOLS='_ftext = . ;'
  63 DATA_START_SYMBOLS='_fdata = . ;'
  64 OTHER_BSS_SYMBOLS='_fbss = .;'
  65 OTHER_SECTIONS='
  66   .gptab.sdata : { *(.gptab.data) *(.gptab.sdata) }
  67   .gptab.sbss : { *(.gptab.bss) *(.gptab.sbss) }
  68   .mdebug.abi32 0 : { KEEP(*(.mdebug.abi32)) }
  69   .mdebug.abiN32 0 : { KEEP(*(.mdebug.abiN32)) }
  70   .mdebug.abi64 0 : { KEEP(*(.mdebug.abi64)) }
  71   .mdebug.abiO64 0 : { KEEP(*(.mdebug.abiO64)) }
  72   .mdebug.eabi32 0 : { KEEP(*(.mdebug.eabi32)) }
  73   .mdebug.eabi64 0 : { KEEP(*(.mdebug.eabi64)) }
  74   .gcc_compiled_long32 0 : { KEEP(*(.gcc_compiled_long32)) }
  75   .gcc_compiled_long64 0 : { KEEP(*(.gcc_compiled_long64)) }
  76 '
  77 ARCH=mips
  78 MACHINE=
  79 TEMPLATE_NAME=elf32
  80 EXTRA_EM_FILE=mipself
  81 GENERATE_SHLIB_SCRIPT=yes
  82 GENERATE_PIE_SCRIPT=yes