tmk_core/tool/mbed/mbed-sdk/libraries/mbed/targets/cmsis/TARGET_NXP/TARGET_LPC11UXX/TOOLCHAIN_GCC_ARM/TARGET_LPC11U35_401/LPC11U35.ld

   1 /* Linker script to configure memory regions. */
   2 MEMORY
   3 {
   4   FLASH (rx) : ORIGIN = 0x00000000, LENGTH = 64K
   5   RAM (rwx) : ORIGIN = 0x100000C0, LENGTH = 0x1F40
   6   USB_RAM (rwx): ORIGIN = 0x20004000, LENGTH = 0x800
   7 }
   8
   9 /* Linker script to place sections and symbol values. Should be used together
  10  * with other linker script that defines memory regions FLASH and RAM.
  11  * It references following symbols, which must be defined in code:
  12  *   Reset_Handler : Entry of reset handler
  13  *
  14  * It defines following symbols, which code can use without definition:
  15  *   __exidx_start
  16  *   __exidx_end
  17  *   __etext
  18  *   __data_start__
  19  *   __preinit_array_start
  20  *   __preinit_array_end
  21  *   __init_array_start
  22  *   __init_array_end
  23  *   __fini_array_start
  24  *   __fini_array_end
  25  *   __data_end__
  26  *   __bss_start__
  27  *   __bss_end__
  28  *   __end__
  29  *   end
  30  *   __HeapLimit
  31  *   __StackLimit
  32  *   __StackTop
  33  *   __stack
  34  */
  35 ENTRY(Reset_Handler)
  36
  37 SECTIONS
  38 {
  39     .text :
  40     {
  41         KEEP(*(.isr_vector))
  42         *(.text.Reset_Handler)
  43
  44         /* Only vectors and code running at reset are safe to be in first 512
  45            bytes since RAM can be mapped into this area for RAM based interrupt
  46            vectors. */
  47         . = 0x00000200;
  48         *(.text*)
  49
  50         KEEP(*(.init))
  51         KEEP(*(.fini))
  52
  53         /* .ctors */
  54         *crtbegin.o(.ctors)
  55         *crtbegin?.o(.ctors)
  56         *(EXCLUDE_FILE(*crtend?.o *crtend.o) .ctors)
  57         *(SORT(.ctors.*))
  58         *(.ctors)
  59
  60         /* .dtors */
  61         *crtbegin.o(.dtors)
  62         *crtbegin?.o(.dtors)
  63         *(EXCLUDE_FILE(*crtend?.o *crtend.o) .dtors)
  64         *(SORT(.dtors.*))
  65         *(.dtors)
  66
  67         *(.rodata*)
  68
  69         KEEP(*(.eh_frame*))
  70     } > FLASH
  71
  72     .ARM.extab :
  73     {
  74         *(.ARM.extab* .gnu.linkonce.armextab.*)
  75     } > FLASH
  76
  77     __exidx_start = .;
  78     .ARM.exidx :
  79     {
  80         *(.ARM.exidx* .gnu.linkonce.armexidx.*)
  81     } > FLASH
  82     __exidx_end = .;
  83
  84     __etext = .;
  85
  86     .data : AT (__etext)
  87     {
  88         __data_start__ = .;
  89         *(vtable)
  90         *(.data*)
  91
  92         . = ALIGN(4);
  93         /* preinit data */
  94         PROVIDE (__preinit_array_start = .);
  95         KEEP(*(.preinit_array))
  96         PROVIDE (__preinit_array_end = .);
  97
  98         . = ALIGN(4);
  99         /* init data */
 100         PROVIDE (__init_array_start = .);
 101         KEEP(*(SORT(.init_array.*)))
 102         KEEP(*(.init_array))
 103         PROVIDE (__init_array_end = .);
 104
 105
 106         . = ALIGN(4);
 107         /* finit data */
 108         PROVIDE (__fini_array_start = .);
 109         KEEP(*(SORT(.fini_array.*)))
 110         KEEP(*(.fini_array))
 111         PROVIDE (__fini_array_end = .);
 112
 113         . = ALIGN(4);
 114         /* All data end */
 115         __data_end__ = .;
 116
 117     } > RAM
 118
 119     .bss :
 120     {
 121         __bss_start__ = .;
 122         *(.bss*)
 123         *(COMMON)
 124         __bss_end__ = .;
 125     } > RAM
 126
 127     .heap :
 128     {
 129         __end__ = .;
 130         end = __end__;
 131         *(.heap*)
 132         __HeapLimit = .;
 133     } > RAM
 134
 135     /* .stack_dummy section doesn't contains any symbols. It is only
 136      * used for linker to calculate size of stack sections, and assign
 137      * values to stack symbols later */
 138     .stack_dummy :
 139     {
 140         *(.stack)
 141     } > RAM
 142
 143     /* Set stack top to end of RAM, and stack limit move down by
 144      * size of stack_dummy section */
 145     __StackTop = ORIGIN(RAM) + LENGTH(RAM);
 146     __StackLimit = __StackTop - SIZEOF(.stack_dummy);
 147     PROVIDE(__stack = __StackTop);
 148
 149     /* Check if data + heap + stack exceeds RAM limit */
 150     ASSERT(__StackLimit >= __HeapLimit, "region RAM overflowed with stack")
 151 }