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      1 # Linker script for TI TMS320C80 (tic80) COFF.
      2 #
      3 # Copyright (C) 2014 Free Software Foundation, Inc.
      4 # 
      5 # Copying and distribution of this file, with or without modification,
      6 # are permitted in any medium without royalty provided the copyright
      7 # notice and this notice are preserved.
      8 #
      9 # Besides the shell variables set by the emulparams script, and the LD_FLAG
     10 # variable, the genscripts.sh script will set the following variables for each
     11 # time this script is run to generate one of the linker scripts for ldscripts:
     12 #
     13 # RELOCATING: Set to a non-empty string when the linker is going to be doing
     14 # a final relocation.
     15 #
     16 # CONSTRUCTING: Set to a non-empty string when the linker is going to be
     17 # building global constructor and destructor tables.
     18 #
     19 # DATA_ALIGNMENT: Set to an ALIGN expression when the output should be page
     20 # aligned, or to "." when generating the -N script.
     21 #
     22 # CREATE_SHLIB: Set to a non-empty string when generating a script for
     23 # the -shared linker arg.
     24 
     25 test -z "$TEXT_START_ADDR" && TEXT_START_ADDR="0x80000 + SIZEOF_HEADERS"
     26 test -z "$ENTRY" && ENTRY=__start
     27 
     28 cat <<EOF
     29 /* Copyright (C) 2014 Free Software Foundation, Inc.
     30 
     31    Copying and distribution of this script, with or without modification,
     32    are permitted in any medium without royalty provided the copyright
     33    notice and this notice are preserved.  */
     34 
     35 OUTPUT_FORMAT("${OUTPUT_FORMAT}")
     36 ${LIB_SEARCH_DIRS}
     37 
     38 ${RELOCATING+ENTRY (${ENTRY})}
     39 
     40 SECTIONS
     41 {
     42   .text ${RELOCATING+ $TEXT_START_ADDR} : {
     43     *(.init)
     44     *(.fini)
     45     *(.text)
     46   }
     47   .const ALIGN(4) : {
     48     *(.const)
     49   }
     50   .ctors ALIGN(4) : {
     51     ${CONSTRUCTING+ . = ALIGN(4);}
     52     ${CONSTRUCTING+ ___CTOR_LIST__ = .;}
     53     ${CONSTRUCTING+ LONG(-1)}
     54     *(.ctors)
     55     ${CONSTRUCTING+ ___CTOR_END__ = .;}
     56     ${CONSTRUCTING+ LONG(0)}
     57   }
     58   .dtors ALIGN(4) : {
     59     ${CONSTRUCTING+ ___DTOR_LIST__ = .;}
     60     ${CONSTRUCTING+ LONG(-1)}
     61     ${CONSTRUCTING+ *(.dtors)}
     62     ${CONSTRUCTING+ ___DTOR_END__ = .;}
     63     ${CONSTRUCTING+ LONG(0)}
     64   }
     65   ${RELOCATING+ etext  =  .;}
     66   .data : {
     67     *(.data)
     68     ${RELOCATING+ __edata  =  .};
     69   }
     70   .bss : { 					
     71     ${RELOCATING+ __bss_start = .};
     72     *(.bss)
     73     *(COMMON)
     74      ${RELOCATING+ _end = ALIGN(0x8)};
     75      ${RELOCATING+ __end = ALIGN(0x8)};
     76   }
     77   .stab  0 ${RELOCATING+(NOLOAD)} : 
     78   {
     79     [ .stab ]
     80   }
     81   .stabstr  0 ${RELOCATING+(NOLOAD)} :
     82   {
     83     [ .stabstr ]
     84   }
     85 }
     86 EOF
     87