rt-thread/bsp/tm4c129x/tm4c_rom.ld

/******************************************************************************
 *
 * blinky.ld - Linker configuration file for blinky.
 *
 * Copyright (c) 2013-2017 Texas Instruments Incorporated.  All rights reserved.
 * Software License Agreement
 * 
 * Texas Instruments (TI) is supplying this software for use solely and
 * exclusively on TI's microcontroller products. The software is owned by
 * TI and/or its suppliers, and is protected under applicable copyright
 * laws. You may not combine this software with "viral" open-source
 * software in order to form a larger program.
 * 
 * THIS SOFTWARE IS PROVIDED "AS IS" AND WITH ALL FAULTS.
 * NO WARRANTIES, WHETHER EXPRESS, IMPLIED OR STATUTORY, INCLUDING, BUT
 * NOT LIMITED TO, IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR
 * A PARTICULAR PURPOSE APPLY TO THIS SOFTWARE. TI SHALL NOT, UNDER ANY
 * CIRCUMSTANCES, BE LIABLE FOR SPECIAL, INCIDENTAL, OR CONSEQUENTIAL
 * DAMAGES, FOR ANY REASON WHATSOEVER.
 * 
 * This is part of revision 2.1.4.178 of the DK-TM4C129X Firmware Package.
 *
 *****************************************************************************/

MEMORY
{
    CODE (rx)  : ORIGIN = 0x00000000, LENGTH = 0x00100000
    DATA (rwx) : ORIGIN = 0x20000000, LENGTH = 0x00040000
}

ENTRY(ResetISR)
_system_stack_size = 0x200;

SECTIONS
{
    .text :
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        . = ALIGN(4);
        KEEP(*(.isr_vector))            /* Startup code */
        . = ALIGN(4);
        *(.text)                        /* remaining code */
        *(.text.*)                      /* remaining code */
        *(.rodata)                      /* read-only data (constants) */
        *(.rodata*)
        *(.glue_7)
        *(.glue_7t)
        *(.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);

        . = ALIGN(4);
        __rt_init_start = .;
        KEEP(*(SORT(.rti_fn*)))
        __rt_init_end = .;
        . = ALIGN(4);

        PROVIDE(__ctors_start__ = .);
        /* old GCC version uses .ctors */
        KEEP(*(SORT(.ctors.*)))
        KEEP(*(.ctors))
        /* new GCC version uses .init_array */
        KEEP (*(SORT(.init_array.*)))
        KEEP (*(.init_array))
        PROVIDE(__ctors_end__ = .);

        . = ALIGN(4);
        _etext = .;
    } > CODE = 0

    .ARM.extab : 
    { 
        *(.ARM.extab*) 

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

    /* .data section which is used for initialized data */
    .data : AT (_sidata)
    {
        . = ALIGN(4);
        PROVIDE(__dtors_start__ = .);
        KEEP(*(SORT(.dtors.*)))
        KEEP(*(.dtors))
        PROVIDE(__dtors_end__ = .);

        . = 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

    .stack : 
    {
        . = . + _system_stack_size;
        . = ALIGN(4);
        _estack = .;
    } >DATA

    __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 = . ;        
        *(.bss.init)
    } > DATA
    __bss_end = .;

    _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) }
    /* 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) }
    /* SGI/MIPS DWARF 2 extensions */
    .debug_weaknames 0 : { *(.debug_weaknames) }
    .debug_funcnames 0 : { *(.debug_funcnames) }
    .debug_typenames 0 : { *(.debug_typenames) }
    .debug_varnames  0 : { *(.debug_varnames) }
}