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1. Reference

arm-2011.03/share/doc/arm-arm-none-eabi/pdf/ld.pdf

2. An example

OUTPUT_FORMAT ("elf32-littlearm", "elf32-bigarm", "elf32-littlearm")

/* Use OUTPUT_FORMAT with three arguments to use different formats based

on the ‘-EB’ and ‘-EL’ command line options. This permits the linker script to set the output format based on the desired endianness.*/

MEMORY

{ rom (rx)  : ORIGIN = 0x00000000, LENGTH = 0x00008000 ram (rwx) : ORIGIN = 0x10000000, LENGTH = 0x00002000 } /* Program code and read-only data go into the ROM. Read-write data goes into

the RAM. An image of the initialized data is loaded into the ROM and will be

copied during system start into the RAM.

*/

/* Section Definitions */  SECTIONS  {      .text :      {          KEEP(*(.isr_vector .isr_vector.*))          *(.text .text.* .gnu.linkonce.t.*)               *(.glue_7t) *(.glue_7)                         *(.rodata .rodata* .gnu.linkonce.r.*)                           } > rom

    .ARM.extab : 

    {         *(.ARM.extab* .gnu.linkonce.armextab.*)     } > rom          .ARM.exidx :     {         *(.ARM.exidx* .gnu.linkonce.armexidx.*)     } > rom

    . = ALIGN(4); 

    _etext = .;

/* Program code */

    _sidata = .;  /* Initialized data is  at _sidata */

    .data : AT (_etext)      {          _sdata = .;          *(.data .data.*)          . = ALIGN(4);          _edata = . ;     } > ram

/*  Initialized data will be
copied during system start into the RAM */

    /* .bss section which is used for uninitialized data */      .bss (NOLOAD) :      {          _sbss = . ;          *(.bss .bss.*)          *(COMMON)          . = ALIGN(4);          _ebss = . ;      } > ram     

/*  None initialized  data will be

placed to the RAM */

    /* stack section */

    .co_stack (NOLOAD):     {         . = ALIGN(8);         *(.co_stack .co_stack.*)     } > ram

/*  Other ram are used as stack */
       

    . = ALIGN(4);      _end = . ;  } 

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