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