ld/emulparams/criself.sh

   1 # This is for embedded products (no MMU) with ELF.
   2 MACHINE=
   3 SCRIPT_NAME=elf
   4 TEMPLATE_NAME=elf32
   5 OUTPUT_FORMAT="elf32-cris"
   6 ARCH=cris
   7 MAXPAGESIZE=32
   8 ENTRY=_start
   9 EMBEDDED=yes
  10 ALIGNMENT=32
  11 TEXT_START_ADDR=0
  12
  13 # Put crt0 for flash/eprom etc. in this section.
  14 INITIAL_READONLY_SECTIONS='.startup : { *(.startup) }'
  15
  16 # TEXT_START_SYMBOLS doesn't get what we want which is the start of
  17 # all read-only sections; there's at least .init and .fini before it.
  18 # We have to resort to trickery.
  19 EXECUTABLE_SYMBOLS='PROVIDE (__Stext = .);'
  20
  21 # Smuggle an "OTHER_TEXT_END_SYMBOLS" here.
  22 OTHER_READONLY_SECTIONS='PROVIDE (__Etext = .);'
  23 DATA_START_SYMBOLS='PROVIDE (__Sdata = .);'
  24
  25 # Smuggle an "OTHER_DATA_END_SYMBOLS" here.
  26 OTHER_GOT_SECTIONS='PROVIDE (__Edata = .);'
  27
  28 # If .bss does not immediately follow .data but has its own start
  29 # address, we can't get to it with OTHER_BSS_SYMBOLS, neither can we
  30 # use ADDR(.bss) there.  Instead, we use the symbol support for the
  31 # end symbol.
  32 OTHER_BSS_END_SYMBOLS='
  33  PROVIDE (__Ebss = .);
  34  PROVIDE (__end = .);
  35  __Sbss = SIZEOF (.sbss) != 0 ? ADDR (.sbss) : ADDR (.bss);
  36  PROVIDE (_bss_start = __Sbss);
  37 '
  38
  39 INIT_START='
  40  . = ALIGN(2);
  41  ___init__start = .;
  42  PROVIDE (___do_global_ctors = .);
  43  SHORT (0xe1fc); /* push srp */
  44  SHORT (0xbe7e);
  45 '
  46
  47 INIT_END='
  48  SHORT (0x0d3e); /* jump [sp+] */
  49  PROVIDE (__init__end = .);
  50  PROVIDE (___init__end = .);
  51 '
  52
  53 FINI_START='
  54  . = ALIGN (2);
  55  ___fini__start = .;
  56  PROVIDE (___do_global_dtors = .);
  57  SHORT (0xe1fc); /* push srp */
  58  SHORT (0xbe7e);
  59 '
  60
  61 FINI_END='
  62  SHORT (0x0d3e); /* jump [sp+] */
  63  PROVIDE (__fini__end = .);
  64  ___fini__end = .;
  65 '
  66
  67 CTOR_START='
  68  PROVIDE (___ctors = .);
  69  ___elf_ctors_dtors_begin = .;
  70 '
  71
  72 CTOR_END='
  73  PROVIDE (___ctors_end = .);
  74 '
  75
  76 DTOR_START='
  77  PROVIDE (___dtors = .);
  78 '
  79
  80 CTOR_END='
  81  PROVIDE (___dtors_end = .);
  82  ___elf_ctors_dtors_end = .;
  83 '
  84
  85
  86 # Smuggle an "OTHER_ALL_END_SYMBOLS" here.
  87 # Also add the other symbols provided for rsim/xsim and elinux.
  88 OTHER_RELOCATING_SECTIONS='
  89 PROVIDE (__Eall = .);
  90 PROVIDE (__Endmem = 0x10000000);
  91 PROVIDE (__Stacksize = 0);
  92 '