tmk_core/tool/mbed/mbed-sdk/libraries/mbed/targets/cmsis/TARGET_Freescale/TARGET_KLXX/TARGET_KL05Z/TOOLCHAIN_GCC_ARM/MKL05Z4.ld

   1 /*
   2  * KL05Z ARM GCC linker script file, Martin Kojtal (0xc0170)
   3  */
   4
   5 MEMORY
   6 {
   7   VECTORS (rx) : ORIGIN = 0x00000000, LENGTH = 0x00000410
   8   FLASH (rx) : ORIGIN = 0x00000410, LENGTH = 32K - 0x00000410
   9   RAM (rwx) : ORIGIN = 0x1FFFFCC0, LENGTH = 4K - 0xC0
  10 }
  11
  12 /* Linker script to place sections and symbol values. Should be used together
  13  * with other linker script that defines memory regions FLASH and RAM.
  14  * It references following symbols, which must be defined in code:
  15  * _reset_init : Entry of reset handler
  16  *
  17  * It defines following symbols, which code can use without definition:
  18  * __exidx_start
  19  * __exidx_end
  20  * __etext
  21  * __data_start__
  22  * __preinit_array_start
  23  * __preinit_array_end
  24  * __init_array_start
  25  * __init_array_end
  26  * __fini_array_start
  27  * __fini_array_end
  28  * __data_end__
  29  * __bss_start__
  30  * __bss_end__
  31  * __end__
  32  * end
  33  * __HeapLimit
  34  * __StackLimit
  35  * __StackTop
  36  * __stack
  37  */
  38 ENTRY(Reset_Handler)
  39
  40 SECTIONS
  41 {
  42     .isr_vector :
  43     {
  44         __vector_table = .;
  45         KEEP(*(.vector_table))
  46          . = ALIGN(4);
  47     } > VECTORS
  48
  49     .text :
  50     {
  51         *(.text*)
  52
  53         KEEP(*(.init))
  54         KEEP(*(.fini))
  55
  56         /* .ctors */
  57         *crtbegin.o(.ctors)
  58         *crtbegin?.o(.ctors)
  59         *(EXCLUDE_FILE(*crtend?.o *crtend.o) .ctors)
  60         *(SORT(.ctors.*))
  61         *(.ctors)
  62
  63         /* .dtors */
  64         *crtbegin.o(.dtors)
  65         *crtbegin?.o(.dtors)
  66         *(EXCLUDE_FILE(*crtend?.o *crtend.o) .dtors)
  67         *(SORT(.dtors.*))
  68         *(.dtors)
  69
  70         *(.rodata*)
  71
  72         KEEP(*(.eh_frame*))
  73     } > FLASH
  74
  75     .ARM.extab :
  76     {
  77         *(.ARM.extab* .gnu.linkonce.armextab.*)
  78     } > FLASH
  79
  80     __exidx_start = .;
  81     .ARM.exidx :
  82     {
  83         *(.ARM.exidx* .gnu.linkonce.armexidx.*)
  84     } > FLASH
  85     __exidx_end = .;
  86
  87     __etext = .;
  88
  89     .data : AT (__etext)
  90     {
  91         __data_start__ = .;
  92         *(vtable)
  93         *(.data*)
  94
  95         . = ALIGN(4);
  96         /* preinit data */
  97         PROVIDE_HIDDEN (__preinit_array_start = .);
  98         KEEP(*(.preinit_array))
  99         PROVIDE_HIDDEN (__preinit_array_end = .);
 100
 101         . = ALIGN(4);
 102         /* init data */
 103         PROVIDE_HIDDEN (__init_array_start = .);
 104         KEEP(*(SORT(.init_array.*)))
 105         KEEP(*(.init_array))
 106         PROVIDE_HIDDEN (__init_array_end = .);
 107
 108
 109         . = ALIGN(4);
 110         /* finit data */
 111         PROVIDE_HIDDEN (__fini_array_start = .);
 112         KEEP(*(SORT(.fini_array.*)))
 113         KEEP(*(.fini_array))
 114         PROVIDE_HIDDEN (__fini_array_end = .);
 115
 116         . = ALIGN(4);
 117         /* All data end */
 118         __data_end__ = .;
 119
 120     } > RAM
 121
 122     .bss :
 123     {
 124         __bss_start__ = .;
 125         *(.bss*)
 126         *(COMMON)
 127         __bss_end__ = .;
 128     } > RAM
 129
 130     .heap :
 131     {
 132         __end__ = .;
 133         end = __end__;
 134         *(.heap*)
 135         __HeapLimit = .;
 136     } > RAM
 137
 138     /* .stack_dummy section doesn't contains any symbols. It is only
 139      * used for linker to calculate size of stack sections, and assign
 140      * values to stack symbols later */
 141     .stack_dummy :
 142     {
 143         *(.stack)
 144     } > RAM
 145
 146     /* Set stack top to end of RAM, and stack limit move down by
 147      * size of stack_dummy section */
 148     __StackTop = ORIGIN(RAM) + LENGTH(RAM);
 149     __StackLimit = __StackTop - SIZEOF(.stack_dummy);
 150     PROVIDE(__stack = __StackTop);
 151
 152     /* Check if data + heap + stack exceeds RAM limit */
 153     ASSERT(__StackLimit >= __HeapLimit, "region RAM overflowed with stack")
 154 }