binutils-gdb/ld/scripttempl/elf32msp430.sc

#!/bin/sh

HEAP_SECTION_MSP430=" "
HEAP_MEMORY_MSP430=" "

if test ${GOT_HEAP_MSP-0} -ne 0 
then 
HEAP_SECTION_MSP430=".heap ${RELOCATING-0} :
  {
    ${RELOCATING+ PROVIDE (__heap_data_start = .) ; }
    *(.heap*)
    ${RELOCATING+ PROVIDE (_heap_data_end = .) ; }
    ${RELOCATING+. = ALIGN(2);}
    ${RELOCATING+ PROVIDE (__heap_bottom = .) ; }
    ${RELOCATING+ PROVIDE (__heap_top = ${HEAP_START} + ${HEAP_LENGTH}) ; }
  } ${RELOCATING+ > heap}"
HEAP_MEMORY_MSP430="heap(rwx) 		: ORIGIN = $HEAP_START,	LENGTH = $HEAP_LENGTH"
fi


cat <<EOF
OUTPUT_FORMAT("${OUTPUT_FORMAT}","${OUTPUT_FORMAT}","${OUTPUT_FORMAT}")
OUTPUT_ARCH(${ARCH})

MEMORY
{
  text   (rx)   	: ORIGIN = $ROM_START,  LENGTH = $ROM_SIZE
  data   (rwx)  	: ORIGIN = $RAM_START, 	LENGTH = $RAM_SIZE
  vectors (rw)  	: ORIGIN = 0xffe0,      LENGTH = 0x20
  bootloader(rx)	: ORIGIN = 0x0c00,	LENGTH = 1K
  infomem(rx)		: ORIGIN = 0x1000,	LENGTH = 256
  infomemnobits(rx)	: ORIGIN = 0x1000,      LENGTH = 256
  ${HEAP_MEMORY_MSP430}
}

SECTIONS
{
  /* Bootloader.  */
  .bootloader ${RELOCATING-0} :
  {
    ${RELOCATING+ PROVIDE (__boot_start = .) ; }
    *(.bootloader)
    ${RELOCATING+. = ALIGN(2);}
    *(.bootloader.*)
  } ${RELOCATING+ > bootloader}
  
  /* Information memory.  */
  .infomem ${RELOCATING-0} :
  {
    *(.infomem)
    ${RELOCATING+. = ALIGN(2);}
    *(.infomem.*)
  } ${RELOCATING+ > infomem}

  /* Information memory (not loaded into MPU).  */
  .infomemnobits ${RELOCATING-0} :
  {
    *(.infomemnobits)
    ${RELOCATING+. = ALIGN(2);}
    *(.infomemnobits.*)
  } ${RELOCATING+ > infomemnobits}

  /* Read-only sections, merged into text segment.  */
  ${TEXT_DYNAMIC+${DYNAMIC}}
  .hash        ${RELOCATING-0} : { *(.hash)             }
  .dynsym      ${RELOCATING-0} : { *(.dynsym)           }
  .dynstr      ${RELOCATING-0} : { *(.dynstr)           }
  .gnu.version ${RELOCATING-0} : { *(.gnu.version)      }
  .gnu.version_d ${RELOCATING-0} : { *(.gnu.version_d)  }
  .gnu.version_r ${RELOCATING-0} : { *(.gnu.version_r)  }

  .rel.init    ${RELOCATING-0} : { *(.rel.init) }
  .rela.init   ${RELOCATING-0} : { *(.rela.init) }
  .rel.text    ${RELOCATING-0} :
    {
      *(.rel.text)
      ${RELOCATING+*(.rel.text.*)}
      ${RELOCATING+*(.rel.gnu.linkonce.t*)}
    }
  .rela.text   ${RELOCATING-0} :
    {
      *(.rela.text)
      ${RELOCATING+*(.rela.text.*)}
      ${RELOCATING+*(.rela.gnu.linkonce.t*)}
    }
  .rel.fini    ${RELOCATING-0} : { *(.rel.fini) }
  .rela.fini   ${RELOCATING-0} : { *(.rela.fini) }
  .rel.rodata  ${RELOCATING-0} :
    {
      *(.rel.rodata)
      ${RELOCATING+*(.rel.rodata.*)}
      ${RELOCATING+*(.rel.gnu.linkonce.r*)}
    }
  .rela.rodata ${RELOCATING-0} :
    {
      *(.rela.rodata)
      ${RELOCATING+*(.rela.rodata.*)}
      ${RELOCATING+*(.rela.gnu.linkonce.r*)}
    }
  .rel.data    ${RELOCATING-0} :
    {
      *(.rel.data)
      ${RELOCATING+*(.rel.data.*)}
      ${RELOCATING+*(.rel.gnu.linkonce.d*)}
    }
  .rela.data   ${RELOCATING-0} :
    {
      *(.rela.data)
      ${RELOCATING+*(.rela.data.*)}
      ${RELOCATING+*(.rela.gnu.linkonce.d*)}
    }
  .rel.ctors   ${RELOCATING-0} : { *(.rel.ctors)        }
  .rela.ctors  ${RELOCATING-0} : { *(.rela.ctors)       }
  .rel.dtors   ${RELOCATING-0} : { *(.rel.dtors)        }
  .rela.dtors  ${RELOCATING-0} : { *(.rela.dtors)       }
  .rel.got     ${RELOCATING-0} : { *(.rel.got)          }
  .rela.got    ${RELOCATING-0} : { *(.rela.got)         }
  .rel.bss     ${RELOCATING-0} : { *(.rel.bss)          }
  .rela.bss    ${RELOCATING-0} : { *(.rela.bss)         }
  .rel.plt     ${RELOCATING-0} : { *(.rel.plt)          }
  .rela.plt    ${RELOCATING-0} : { *(.rela.plt)         }

  /* Internal text space.  */
  .text :
  {
    ${RELOCATING+. = ALIGN(2);}
    *(SORT_NONE(.init))
    *(SORT_NONE(.init0))  /* Start here after reset.  */
    *(SORT_NONE(.init1))
    *(SORT_NONE(.init2))  /* Copy data loop  */
    *(SORT_NONE(.init3))
    *(SORT_NONE(.init4))  /* Clear bss  */
    *(SORT_NONE(.init5))
    *(SORT_NONE(.init6))  /* C++ constructors.  */
    *(SORT_NONE(.init7))
    *(SORT_NONE(.init8))
    *(SORT_NONE(.init9))  /* Call main().  */

    ${CONSTRUCTING+ __ctors_start = . ; }
    ${CONSTRUCTING+ *(.ctors) }
    ${CONSTRUCTING+ __ctors_end = . ; }
    ${CONSTRUCTING+ __dtors_start = . ; }
    ${CONSTRUCTING+ *(.dtors) }
    ${CONSTRUCTING+ __dtors_end = . ; }

    ${RELOCATING+. = ALIGN(2);}
    *(.text)
    ${RELOCATING+. = ALIGN(2);}
    *(.text.*)
    ${RELOCATING+. = ALIGN(2);}
    *(.text:*)

    ${RELOCATING+. = ALIGN(2);}
    *(SORT_NONE(.fini9))
    *(SORT_NONE(.fini8))
    *(SORT_NONE(.fini7))
    *(SORT_NONE(.fini6))  /* C++ destructors.  */
    *(SORT_NONE(.fini5))
    *(SORT_NONE(.fini4))
    *(SORT_NONE(.fini3))
    *(SORT_NONE(.fini2))
    *(SORT_NONE(.fini1))
    *(SORT_NONE(.fini0))  /* Infinite loop after program termination.  */
    *(SORT_NONE(.fini))

    _etext = .;
  } ${RELOCATING+ > text}

  .rodata :
  {
    . = ALIGN(2);
    *(.plt)
    *(.rodata .rodata.* .gnu.linkonce.r.* .const .const:*)
    *(.rodata1)

    *(.eh_frame_hdr)
    KEEP (*(.eh_frame))

    KEEP (*(.gcc_except_table)) *(.gcc_except_table.*)

    PROVIDE (__preinit_array_start = .);
    KEEP (*(.preinit_array))
    PROVIDE (__preinit_array_end = .);

    PROVIDE (__init_array_start = .);
    KEEP (*(SORT(.init_array.*)))
    KEEP (*(.init_array))
    PROVIDE (__init_array_end = .);

    PROVIDE (__fini_array_start = .);
    KEEP (*(.fini_array))
    KEEP (*(SORT(.fini_array.*)))
    PROVIDE (__fini_array_end = .);
    LONG(0); /* Sentinel.  */

    /* gcc uses crtbegin.o to find the start of the constructors, so
       we make sure it is first.  Because this is a wildcard, it
       doesn't matter if the user does not actually link against
       crtbegin.o; the linker won't look for a file to match a
       wildcard.  The wildcard also means that it doesn't matter which
       directory crtbegin.o is in.  */
    KEEP (*crtbegin*.o(.ctors))

    /* We don't want to include the .ctor section from from the
       crtend.o file until after the sorted ctors.  The .ctor section
       from the crtend file contains the end of ctors marker and it
       must be last */
    KEEP (*(EXCLUDE_FILE (*crtend*.o ) .ctors))
    KEEP (*(SORT(.ctors.*)))
    KEEP (*(.ctors))

    KEEP (*crtbegin*.o(.dtors))
    KEEP (*(EXCLUDE_FILE (*crtend*.o ) .dtors))
    KEEP (*(SORT(.dtors.*)))
    KEEP (*(.dtors))
  } ${RELOCATING+ > text}

  .vectors ${RELOCATING-0}:
  {
    ${RELOCATING+ PROVIDE (__vectors_start = .) ; }
    *(.vectors*)
    ${RELOCATING+ _vectors_end = . ; }
  } ${RELOCATING+ > vectors}

  .data ${RELOCATING-0} : ${RELOCATING+AT (ADDR (.text) + SIZEOF (.text) + SIZEOF (.rodata))}
  {  
    ${RELOCATING+ PROVIDE (__data_start = .) ; }
    ${RELOCATING+ PROVIDE (__datastart = .) ; }
    ${RELOCATING+. = ALIGN(2);}

    KEEP (*(.jcr))
    *(.data.rel.ro.local) *(.data.rel.ro*)
    *(.dynamic)

    *(.data)
    *(.data.*)
    *(.gnu.linkonce.d*)
    KEEP (*(.gnu.linkonce.d.*personality*))
    *(.data1)
    *(.got.plt) *(.got)
    ${RELOCATING+. = ALIGN(2);}
    *(.sdata .sdata.* .gnu.linkonce.s.*)
    ${RELOCATING+. = ALIGN(2);}
    ${RELOCATING+ _edata = . ; }
  } ${RELOCATING+ > data}
  
  .bss ${RELOCATING+ SIZEOF(.data) + ADDR(.data)} :
  {
    ${RELOCATING+. = ALIGN(2);}
    ${RELOCATING+ PROVIDE (__bss_start = .) ; }
    *(.bss)
    *(COMMON)
    ${RELOCATING+ PROVIDE (__bss_end = .) ; }
    ${RELOCATING+ _end = . ;  }
  } ${RELOCATING+ > data}

  .noinit ${RELOCATING+ SIZEOF(.bss) + ADDR(.bss)} :
  {
    ${RELOCATING+ PROVIDE (__noinit_start = .) ; }
    *(.noinit)
    *(COMMON)
    ${RELOCATING+ PROVIDE (__noinit_end = .) ; }
    ${RELOCATING+ _end = . ;  }
  } ${RELOCATING+ > data}

  ${HEAP_SECTION_MSP430}

  /* Stabs for profiling information*/
  .profiler 0 : { *(.profiler) }
  
  /* Stabs debugging sections.  */
  .stab 0 : { *(.stab) } 
  .stabstr 0 : { *(.stabstr) }
  .stab.excl 0 : { *(.stab.excl) }
  .stab.exclstr 0 : { *(.stab.exclstr) }
  .stab.index 0 : { *(.stab.index) }
  .stab.indexstr 0 : { *(.stab.indexstr) }
  .comment 0 : { *(.comment) }
EOF

source $srcdir/scripttempl/DWARF.sc

cat <<EOF
  .MP430.attributes 0 :
  {
    KEEP (*(.MSP430.attributes))
    KEEP (*(.gnu.attributes))
    KEEP (*(__TI_build_attributes))
  }

  PROVIDE (__stack = ${STACK}) ;
  PROVIDE (__data_start_rom = _etext) ;
  PROVIDE (__data_end_rom   = _etext + SIZEOF (.data)) ;
  PROVIDE (__noinit_start_rom = _etext + SIZEOF (.data)) ;
  PROVIDE (__noinit_end_rom = _etext + SIZEOF (.data) + SIZEOF (.noinit)) ;
  PROVIDE (__subdevice_has_heap = ${GOT_HEAP_MSP-0}) ;
}
EOF