ld/emulparams/shelf32.sh

   1 # Note: this parameter script is sourced by the other
   2 # sh[l]elf(32|64).sh parameter scripts.
   3 SCRIPT_NAME=elf
   4 OUTPUT_FORMAT=${OUTPUT_FORMAT-"elf32-sh64"}
   5 NO_REL_RELOCS=yes
   6 TEXT_START_ADDR=0x1000
   7 MAXPAGESIZE=128
   8 ARCH=sh
   9 MACHINE=sh5
  10 ALIGNMENT=8
  11 TEMPLATE_NAME=elf32
  12 GENERATE_SHLIB_SCRIPT=yes
  13 EMBEDDED=yes
  14 # PR 17739.  Delay checking relocs until after all files have
  15 # been opened and linker garbage collection has taken place.
  16 CHECK_RELOCS_AFTER_OPEN_INPUT=yes
  17
  18 DATA_START_SYMBOLS='PROVIDE (___data = .);'
  19
  20 # If data is located right after .text (not explicitly specified),
  21 # then we need to align it to an 8-byte boundary.
  22 OTHER_READONLY_SECTIONS='
  23 PROVIDE (___rodata = DEFINED (.rodata) ? .rodata : 0);
  24 . = ALIGN (8);
  25 '
  26
  27 # Make _edata and .bss aligned by smuggling in an alignment directive.
  28 OTHER_GOT_SECTIONS='. = ALIGN (8);'
  29
  30 # These are for compatibility with the COFF toolchain.
  31 ENTRY=start
  32 CTOR_START='___ctors = .;'
  33 CTOR_END='___ctors_end = .;'
  34 DTOR_START='___dtors = .;'
  35 DTOR_END='___dtors_end = .;'
  36
  37 # Do not use the varname=${varname-'string'} construct here; there are
  38 # problems with that on some shells (e.g. on Solaris) where there is a bug
  39 # that trigs when $varname contains a "}".
  40 # The effect of the .stack definition is like setting STACK_ADDR to 0x80000,
  41 # except that the setting can be overridden, e.g. --defsym _stack=0xff000,
  42 # and that we put an extra sentinal value at the bottom.
  43 # N.B. We can't use PROVIDE to set the default value in a symbol because
  44 # the address is needed to place the .stack section, which in turn is needed
  45 # to hold the sentinel value(s).
  46 test -z "$CREATE_SHLIB" && OTHER_SECTIONS="
  47   .stack ${RELOCATING-0}${RELOCATING+(DEFINED(_stack) ? _stack : ALIGN (0x40000) + 0x80000)} :
  48   {
  49     ${RELOCATING+_stack = .;}
  50     *(.stack)
  51     LONG(0xdeaddead)
  52   }
  53   .cranges 0 : { *(.cranges) }
  54 "
  55 # We do not need .stack for shared library.
  56 test -n "$CREATE_SHLIB" && OTHER_SECTIONS="
  57   .cranges 0 : { *(.cranges) }
  58 "
  59
  60 # We need to adjust sizes in the .cranges section after relaxation, so
  61 # we need an after_allocation function, and it goes in this file.
  62 EXTRA_EM_FILE=${EXTRA_EM_FILE-sh64elf}