rt-thread/bsp/lpc2148/lpc2148_rom.ld

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

OUTPUT_ARCH(arm)

MEMORY
{
	CODE (rx) : ORIGIN = 0x00000000, LENGTH = 512k /* 512KB flash */
	DATA (rw) : ORIGIN = 0x40000000, LENGTH =  32k /* 32K sram */
}

ENTRY(_start)

_undefined_tack_size = 0x40;
_abort_tack_size = 0x40;
_fiq_tack_size = 0x100;
_irq_tack_size = 0x200;
_svc_tack_size = 0x400;

SECTIONS
{
	. = 0;

	. = ALIGN(4);
	.text :	
	{
		*(.init)
		*(.text)
		*(.rodata)
		*(.rodata*)
		*(.glue_7)
		*(.glue_7t)

		/* section information for finsh shell */
		. = ALIGN(4);
		__fsymtab_start = .;
		KEEP(*(FSymTab))
		__fsymtab_end = .;
		. = ALIGN(4);
		__vsymtab_start = .;
		KEEP(*(VSymTab))
		__vsymtab_end = .;
		. = ALIGN(4);

	} >CODE

	. = ALIGN(4);
	.ctors :
	{
		PROVIDE(__ctors_start__ = .);
		KEEP(*(SORT(.ctors.*)))
		KEEP(*(.ctors))
		PROVIDE(__ctors_end__ = .);
	} > CODE

	.dtors :
	{
		PROVIDE(__dtors_start__ = .);
		KEEP(*(SORT(.dtors.*)))
		KEEP(*(.dtors))
		PROVIDE(__dtors_end__ = .);
	} > CODE

	__end_of_text__ = .;

    /* .ARM.exidx is sorted, so has to go in its own output section.  */
    __exidx_start = .;
    .ARM.exidx :
    {
        *(.ARM.exidx* .gnu.linkonce.armexidx.*)

        /* This is used by the startup in order to initialize the .data secion */
        _sidata = .;
    } > CODE
    __exidx_end = .;

	/* .data section which is used for initialized data */
    .data : AT (_sidata)
    {
        . = ALIGN(4);
        /* This is used by the startup in order to initialize the .data secion */
        _sdata = . ;

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

        . = ALIGN(4);
        /* This is used by the startup in order to initialize the .data secion */
        _edata = . ;
    } >DATA
	__data_end = .;

	.noinit :
	{
	    *(.bss.noinit)
	} > DATA

	.stack : 
	{
		. = ALIGN(4);
	    _undefined_stack_base = .;
	    . = . + _undefined_tack_size;
	    _undefined_stack_top = .;
		
	    _abort_stack_base = .;
	    . = . + _abort_tack_size;
	    _abort_stack_top = .;
		
	    _fiq_stack_base = .;
	    . = . + _fiq_tack_size;
	    _fiq_stack_top = .;
		
	    _irq_stack_base = .;
	    . = . + _irq_tack_size;
	    _irq_stack_top = .;
		
	    _svc_stack_base = .;
	    . = . + _svc_tack_size;
	    _svc_stack_top = .;
	} >DATA

    __bss_start = .;
    .bss :
    {
        . = ALIGN(4);
        /* This is used by the startup in order to initialize the .bss secion */
        _sbss = .;

        *(.bss)
        *(COMMON)

        . = ALIGN(4);
        /* This is used by the startup in order to initialize the .bss secion */
        _ebss = . ;
    } > DATA
    __bss_end = .;

	/* Align here to ensure that the .bss section occupies space up to
	_end.  Align after .bss to ensure correct alignment even if the
	.bss section disappears because there are no input sections.  */
	. = ALIGN(32 / 8);
}