rt-thread-official/bsp/rm48x50/rm48x50.ld

/*
 * linker script for RM48x50 with GNU ld
 * Grissiom 2013-10-20
 */

/* Program Entry, set to mark it as "used" and avoid gc */
MEMORY
{
    CODE (rx) : ORIGIN = 0x00000000, LENGTH =    3M
    DATA (rw) : ORIGIN = 0x08000000, LENGTH =  256k
}

OUTPUT_FORMAT("elf32-littlearm", "elf32-littlearm", "elf32-littlearm")
OUTPUT_ARCH(arm)
ENTRY(system_vectors)
SECTIONS
{
    .text :
    {
        __text_start = .;
        *(.vectors)
        *(.text)
        *(.text.*)

        __rodata_start = .;
        *(.rodata)
        *(.rodata.*)
        __rodata_end = .;

        *(.glue_7)
        *(.glue_7t)
        *(.vfp11_veneer)
        *(.v4_bx)
        *(.gnu.linkonce.t*)

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

        /* section information for modules */
        . = ALIGN(4);
        __rtmsymtab_start = .;
        KEEP(*(RTMSymTab))
        __rtmsymtab_end = .;

        /* section information for initialization */
        . = ALIGN(4);
        __rt_init_start = .;
        KEEP(*(SORT(.rti_fn*)))
        __rt_init_end = .;

        __text_end = .;
    } > CODE = 0

    . = ALIGN(4);
    .ctors :
    {
        PROVIDE(__ctors_start__ = .);
        /* new GCC version uses .init_array */
        KEEP(*(SORT(.init_array.*)))
        KEEP(*(.init_array))
        PROVIDE(__ctors_end__ = .);
    } > CODE

    .dtors :
    {
        PROVIDE(__dtors_start__ = .);
        KEEP(*(SORT(.dtors.*)))
        KEEP(*(.dtors))
        PROVIDE(__dtors_end__ = .);
        /* This is used by the startup in order to initialize the .data secion */
        _sidata = .;
    } > CODE

    /* .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_start = .;
    .noinit :
    {
        . = ALIGN(4);
        *(.bss.noinit)
    } > DATA
    __noinit_stop = .;

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

        *(.bss)
        *(.bss.*)
        *(COMMON)

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

    /* 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) }
  */
    _end = .;
}