Subversion Repositories openmsp430

/* Default linker script, for normal executables */

OUTPUT_FORMAT("elf32-msp430")

OUTPUT_ARCH("msp430")

MEMORY {

  sfr              : ORIGIN = 0x0000, LENGTH = 0x0010

  peripheral_8bit  : ORIGIN = 0x0010, LENGTH = 0x00f0

  peripheral_16bit : ORIGIN = 0x0100, LENGTH = 0x0100

  ram (wx)         : ORIGIN = 0x0200, LENGTH = 0x2800       /* 10kB */

  rom (rx)         : ORIGIN = 0x4000, LENGTH = 0xC000-0x20  /* 48kB */

  vectors          : ORIGIN = 0xffe0, LENGTH = 0x0020

}

REGION_ALIAS("REGION_TEXT", rom);

REGION_ALIAS("REGION_DATA", ram);

PROVIDE (__info_segment_size = 0x80);

__WDTCTL = 0x0120;

__MPY    = 0x0130;

__MPYS   = 0x0132;

__MAC    = 0x0134;

__MACS   = 0x0136;

__OP2    = 0x0138;

__RESLO  = 0x013A;

__RESHI  = 0x013C;

__SUMEXT = 0x013E;

SECTIONS

{

  /* Read-only sections, merged into text segment.  */

  .hash            : { *(.hash)          }

  .dynsym          : { *(.dynsym)        }

  .dynstr          : { *(.dynstr)        }

  .gnu.version     : { *(.gnu.version)   }

  .gnu.version_d   : { *(.gnu.version_d) }

  .gnu.version_r   : { *(.gnu.version_r) }

  .rel.init      : { *(.rel.init)  }

  .rela.init     : { *(.rela.init) }

  .rel.fini      : { *(.rel.fini)  }

  .rela.fini     : { *(.rela.fini) }

  .rel.text      : { *(.rel.text .rel.text.* .rel.gnu.linkonce.t.*)        }

  .rela.text     : { *(.rela.text .rela.text.* .rela.gnu.linkonce.t.*)     }

  .rel.rodata    : { *(.rel.rodata .rel.rodata.* .rel.gnu.linkonce.r.*)    }

  .rela.rodata   : { *(.rela.rodata .rela.rodata.* .rela.gnu.linkonce.r.*) }

  .rel.data      : { *(.rel.data .rel.data.* .rel.gnu.linkonce.d.*)        }

  .rela.data     : { *(.rela.data .rela.data.* .rela.gnu.linkonce.d.*)     }

  .rel.bss       : { *(.rel.bss .rel.bss.* .rel.gnu.linkonce.b.*)          }

  .rela.bss      : { *(.rela.bss .rela.bss.* .rela.gnu.linkonce.b.*)       }

  .rel.ctors     : { *(.rel.ctors)  }

  .rela.ctors    : { *(.rela.ctors) }

  .rel.dtors     : { *(.rel.dtors)  }

  .rela.dtors    : { *(.rela.dtors) }

  .rel.got       : { *(.rel.got)    }

  .rela.got      : { *(.rela.got)   }

  .rel.plt       : { *(.rel.plt)    }

  .rela.plt      : { *(.rela.plt)   }

  /* .any.{text,rodata,data,bss}{,.*} sections are treated as orphans and

   * placed in output sections with available space by linker.  Do not list

   * them here, or the linker will not consider them orphans. */

  .text :

  {

     . = ALIGN(2);

     KEEP(*(.init .init.*))

     KEEP(*(.init0))  /* Start here after reset.               */

     KEEP(*(.init1))  /* User definable.                       */

     KEEP(*(.init2))  /* Initialize stack.                     */

     KEEP(*(.init3))  /* Initialize hardware, user definable.  */

     KEEP(*(.init4))  /* Copy data to .data, clear bss.        */

     KEEP(*(.init5))  /* User definable.                       */

     KEEP(*(.init6))  /* C++ constructors.                     */

     KEEP(*(.init7))  /* User definable.                       */

     KEEP(*(.init8))  /* User definable.                       */

     KEEP(*(.init9))  /* Call main().                          */

     KEEP(*(.fini9))  /* Falls into here after main(). User definable.  */

     KEEP(*(.fini8))  /* User definable.                           */

     KEEP(*(.fini7))  /* User definable.                           */

     KEEP(*(.fini6))  /* C++ destructors.                          */

     KEEP(*(.fini5))  /* User definable.                           */

     KEEP(*(.fini4))  /* User definable.                           */

     KEEP(*(.fini3))  /* User definable.                           */

     KEEP(*(.fini2))  /* User definable.                           */

     KEEP(*(.fini1))  /* User definable.                           */

     KEEP(*(.fini0))  /* Infinite loop after program termination.  */

     KEEP(*(.fini .fini.*))

     . = ALIGN(2);

     __ctors_start = .;

     KEEP(*(.ctors))

     __ctors_end = .;

     __dtors_start = .;

     KEEP(*(.dtors))

     __dtors_end = .;

     . = ALIGN(2);

    *(.text .text.* .gnu.linkonce.t.*)

    *(.near.text .near.text.*)

  }  > REGION_TEXT

  .rodata   :

  {

     . = ALIGN(2);

    *(.rodata .rodata.* .gnu.linkonce.r.*)

    *(.near.rodata .near.rodata.*)

  }  > REGION_TEXT

   . = ALIGN(2);

   _etext = .; /* Past last read-only (loadable) segment */

  .data   :

  {

     . = ALIGN(2);

     PROVIDE (__data_start = .) ;

     PROVIDE (__datastart = .) ;

    *(.data .data.* .gnu.linkonce.d.*)

    *(.near.data .near.data.*)

     . = ALIGN(2);

     _edata = .;  /* Past last read-write (loadable) segment */

  }  > REGION_DATA AT > REGION_TEXT

   __data_load_start = LOADADDR(.data);

   __data_size = SIZEOF(.data);

  .bss   :

  {

     __bss_start = .;

    *(.bss .bss.*)

    *(.near.bss .near.bss.*)

    *(COMMON)

     . = ALIGN(2);

     __bss_end = .;

  }  > REGION_DATA

   __bss_size = SIZEOF(.bss);

  .noinit   :

  {

     . = ALIGN(2);

     __noinit_start = .;

    *(.noinit .noinit.*)

     . = ALIGN(2);

     __noinit_end = .;

  }  > REGION_DATA

   . = ALIGN(2);

   _end = .;   /* Past last write (loadable) segment */

  /* Values placed in the first 32 entries of a 64-entry interrupt vector

   * table.  This exists because the FRAM chips place the BSL and JTAG

   * passwords at specific offsets that technically fall within the

   * interrupt table, but for which no MCU has a corresponding interrupt.

   * See https://sourceforge.net/tracker/?func=detail&aid=3554291&group_id=42303&atid=432701 */

  PROVIDE(__vte_0 = 0xffff);

  PROVIDE(__vte_1 = 0xffff);

  PROVIDE(__vte_2 = 0xffff);

  PROVIDE(__vte_3 = 0xffff);

  PROVIDE(__vte_4 = 0xffff);

  PROVIDE(__vte_5 = 0xffff);

  PROVIDE(__vte_6 = 0xffff);

  PROVIDE(__vte_7 = 0xffff);

  PROVIDE(__vte_8 = 0xffff);

  PROVIDE(__vte_9 = 0xffff);

  PROVIDE(__vte_10 = 0xffff);

  PROVIDE(__vte_11 = 0xffff);

  PROVIDE(__vte_12 = 0xffff);

  PROVIDE(__vte_13 = 0xffff);

  PROVIDE(__vte_14 = 0xffff);

  PROVIDE(__vte_15 = 0xffff);

  PROVIDE(__vte_16 = 0xffff);

  PROVIDE(__vte_17 = 0xffff);

  PROVIDE(__vte_18 = 0xffff);

  PROVIDE(__vte_19 = 0xffff);

  PROVIDE(__vte_20 = 0xffff);

  PROVIDE(__vte_21 = 0xffff);

  PROVIDE(__vte_22 = 0xffff);

  PROVIDE(__vte_23 = 0xffff);

  PROVIDE(__vte_24 = 0xffff);

  PROVIDE(__vte_25 = 0xffff);

  PROVIDE(__vte_26 = 0xffff);

  PROVIDE(__vte_27 = 0xffff);

  PROVIDE(__vte_28 = 0xffff);

  PROVIDE(__vte_29 = 0xffff);

  PROVIDE(__vte_30 = 0xffff);

  PROVIDE(__vte_31 = 0xffff);

  .vectors   :

  {

     __vectors_start = .;

    KEEP(*(.vectors*))

     _vectors_end = .;

  }  > vectors

  /* Legacy section, prefer .far.text */

   . = ALIGN(2);

   _efartext = .; /* Past last read-only (loadable) segment */

   . = ALIGN(2);

   _far_end = .;   /* Past last write (loadable) segment */

  /* 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) }

  /* DWARF debug sections.

     Symbols in the DWARF debugging sections are relative to the beginning

     of the section so we begin them at 0.  */

  /* DWARF 1 */

  .debug          0 : { *(.debug) }

  .line           0 : { *(.line) }

  /* GNU DWARF 1 extensions */

  .debug_srcinfo  0 : { *(.debug_srcinfo) }

  .debug_sfnames  0 : { *(.debug_sfnames) }

  /* DWARF 1.1 and DWARF 2 */

  .debug_aranges  0 : { *(.debug_aranges) }

  .debug_pubnames 0 : { *(.debug_pubnames) }

  /* DWARF 2 */

  .debug_info     0 : { *(.debug_info) *(.gnu.linkonce.wi.*) }

  .debug_abbrev   0 : { *(.debug_abbrev) }

  .debug_line     0 : { *(.debug_line) }

  .debug_frame    0 : { *(.debug_frame) }

  .debug_str      0 : { *(.debug_str) }

  .debug_loc      0 : { *(.debug_loc) }

  .debug_macinfo  0 : { *(.debug_macinfo) }

  /* DWARF 3 */

  .debug_pubtypes 0 : { *(.debug_pubtypes) }

  .debug_ranges   0 : { *(.debug_ranges) }

  /* __stack is the only symbol that the user can override */

   PROVIDE (__stack = ORIGIN(ram) + LENGTH(ram));

   PROVIDE (__data_start_rom  = _etext) ;

   PROVIDE (__data_end_rom    = _etext + SIZEOF (.data)) ;

   PROVIDE (__romdatastart    = _etext) ;

   PROVIDE (__romdataend      = _etext + SIZEOF (.data)) ;

   PROVIDE (__romdatacopysize = SIZEOF(.data));

}