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      1 # This is for embedded products (no MMU) with ELF.
      2 MACHINE=
      3 SCRIPT_NAME=elf
      4 TEMPLATE_NAME=elf32
      5 
      6 # Symbols have underscore prepended.
      7 OUTPUT_FORMAT="elf32-us-cris"
      8 NO_REL_RELOCS=yes
      9 ARCH=cris
     10 MAXPAGESIZE=32
     11 ENTRY=__start
     12 EMBEDDED=yes
     13 ALIGNMENT=32
     14 TEXT_START_ADDR=0
     15 
     16 # Put crt0 for flash/eprom etc. in this section.
     17 INITIAL_READONLY_SECTIONS=
     18 if test -z "${CREATE_SHLIB}"; then
     19   INITIAL_READONLY_SECTIONS=".interp       ${RELOCATING-0} : { *(.interp) }"
     20 fi
     21 INITIAL_READONLY_SECTIONS="${INITIAL_READONLY_SECTIONS}
     22   .startup : { KEEP(*(.startup)) }"
     23 
     24 # Setting __Stext to . in TEXT_START_SYMBOLS doesn't get what we want
     25 # most of the time, which is the start of all read-only sections;
     26 # there's at least .startup and .init before it.  We have to resort to
     27 # trickery.  Note that __Stext is always defined, not PROVIDE:d, since
     28 # external tools look for it.
     29 TEXT_START_SYMBOLS='__Stext = ADDR (.startup);'
     30 
     31 # The __start dance is to get us through assumptions about entry
     32 # symbols, and to clear _start for normal use with sane programs.
     33 EXECUTABLE_SYMBOLS='
     34 __start = DEFINED(__start) ? __start :
     35   DEFINED(_start) ? _start :
     36     DEFINED(start) ? start :
     37       DEFINED(.startup) ? .startup + 2 : 2;
     38 '
     39 
     40 # Smuggle an "OTHER_TEXT_END_SYMBOLS" here.
     41 OTHER_READONLY_SECTIONS="${RELOCATING+PROVIDE (__Etext = .);}"
     42 DATA_START_SYMBOLS='PROVIDE (__Sdata = .);'
     43 
     44 # Smuggle an "OTHER_DATA_END_SYMBOLS" here.
     45 OTHER_SDATA_SECTIONS="${RELOCATING+PROVIDE (__Edata = .);}"
     46 
     47 # If .bss does not immediately follow .data but has its own start
     48 # address, we can't get to it with OTHER_BSS_SYMBOLS, neither can we
     49 # use ADDR(.bss) there.  Instead, we use the symbol support for the
     50 # end symbol.
     51 OTHER_BSS_END_SYMBOLS='
     52  PROVIDE (__Ebss = .);
     53  __Sbss = ADDR (.bss);
     54  PROVIDE (_bss_start = __Sbss);
     55 '
     56 OTHER_END_SYMBOLS='PROVIDE (__end = .);'
     57 
     58 INIT_START='
     59  . = ALIGN(2);
     60  ___init__start = .;
     61  PROVIDE (___do_global_ctors = .);
     62 '
     63 
     64 INIT_END='
     65  PROVIDE (__init__end = .);
     66  PROVIDE (___init__end = .);
     67 '
     68 
     69 FINI_START='
     70  . = ALIGN (2);
     71  ___fini__start = .;
     72  PROVIDE (___do_global_dtors = .);
     73 '
     74 
     75 FINI_END='
     76  PROVIDE (__fini__end = .);
     77  ___fini__end = .;
     78 '
     79 
     80 CTOR_START='
     81  PROVIDE (___ctors = .);
     82  ___elf_ctors_dtors_begin = .;
     83 '
     84 
     85 CTOR_END='
     86  PROVIDE (___ctors_end = .);
     87 '
     88 
     89 DTOR_START='
     90  PROVIDE (___dtors = .);
     91 '
     92 
     93 CTOR_END='
     94  PROVIDE (___dtors_end = .);
     95  ___elf_ctors_dtors_end = .;
     96 '
     97 
     98 # Also add the other symbols provided for rsim/xsim and elinux.
     99 OTHER_SYMBOLS='
    100   PROVIDE (__Eall = .);
    101   PROVIDE (__Endmem = 0x10000000);
    102   PROVIDE (__Stacksize = 0);
    103 '
    104 NO_SMALL_DATA=yes
    105