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The official Mbed 2 C/C++ SDK provides the software platform and libraries to build your applications.

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mbed 2

This is the mbed 2 library. If you'd like to learn about Mbed OS please see the mbed-os docs.

TARGET_NUCLEO_L496ZG_P/TOOLCHAIN_GCC_ARM/STM32L496XX.ld@160:5571c4ff569f, 2018-01-17 (annotated)

Committer:
Anna Bridge
Date:
Wed Jan 17 16:13:02 2018 +0000
Revision:
160:5571c4ff569f
Parent:
158:1c57384330a6
Child:
171:3a7713b1edbc
mbed library. Release version 158

Who changed what in which revision?

UserRevisionLine numberNew contents of line
AnnaBridge 158:1c57384330a6 1 /* Linker script to configure memory regions. */
AnnaBridge 158:1c57384330a6 2 MEMORY
AnnaBridge 158:1c57384330a6 3 {
AnnaBridge 158:1c57384330a6 4 FLASH (rx) : ORIGIN = 0x08000000, LENGTH = 1024K
AnnaBridge 158:1c57384330a6 5 SRAM1 (rwx) : ORIGIN = 0x200001AC, LENGTH = 320k - 0x1AC
AnnaBridge 158:1c57384330a6 6 }
AnnaBridge 158:1c57384330a6 7
AnnaBridge 158:1c57384330a6 8 /* Linker script to place sections and symbol values. Should be used together
AnnaBridge 158:1c57384330a6 9 * with other linker script that defines memory regions FLASH and RAM.
AnnaBridge 158:1c57384330a6 10 * It references following symbols, which must be defined in code:
AnnaBridge 158:1c57384330a6 11 * Reset_Handler : Entry of reset handler
AnnaBridge 158:1c57384330a6 12 *
AnnaBridge 158:1c57384330a6 13 * It defines following symbols, which code can use without definition:
AnnaBridge 158:1c57384330a6 14 * __exidx_start
AnnaBridge 158:1c57384330a6 15 * __exidx_end
AnnaBridge 158:1c57384330a6 16 * __etext
AnnaBridge 158:1c57384330a6 17 * __data_start__
AnnaBridge 158:1c57384330a6 18 * __preinit_array_start
AnnaBridge 158:1c57384330a6 19 * __preinit_array_end
AnnaBridge 158:1c57384330a6 20 * __init_array_start
AnnaBridge 158:1c57384330a6 21 * __init_array_end
AnnaBridge 158:1c57384330a6 22 * __fini_array_start
AnnaBridge 158:1c57384330a6 23 * __fini_array_end
AnnaBridge 158:1c57384330a6 24 * __data_end__
AnnaBridge 158:1c57384330a6 25 * __bss_start__
AnnaBridge 158:1c57384330a6 26 * __bss_end__
AnnaBridge 158:1c57384330a6 27 * __end__
AnnaBridge 158:1c57384330a6 28 * end
AnnaBridge 158:1c57384330a6 29 * __HeapLimit
AnnaBridge 158:1c57384330a6 30 * __StackLimit
AnnaBridge 158:1c57384330a6 31 * __StackTop
AnnaBridge 158:1c57384330a6 32 * __stack
AnnaBridge 158:1c57384330a6 33 * _estack
AnnaBridge 158:1c57384330a6 34 */
AnnaBridge 158:1c57384330a6 35 ENTRY(Reset_Handler)
AnnaBridge 158:1c57384330a6 36
AnnaBridge 158:1c57384330a6 37 SECTIONS
AnnaBridge 158:1c57384330a6 38 {
AnnaBridge 158:1c57384330a6 39 .text :
AnnaBridge 158:1c57384330a6 40 {
AnnaBridge 158:1c57384330a6 41 KEEP(*(.isr_vector))
AnnaBridge 158:1c57384330a6 42 *(.text*)
AnnaBridge 158:1c57384330a6 43 KEEP(*(.init))
AnnaBridge 158:1c57384330a6 44 KEEP(*(.fini))
AnnaBridge 158:1c57384330a6 45
AnnaBridge 158:1c57384330a6 46 /* .ctors */
AnnaBridge 158:1c57384330a6 47 *crtbegin.o(.ctors)
AnnaBridge 158:1c57384330a6 48 *crtbegin?.o(.ctors)
AnnaBridge 158:1c57384330a6 49 *(EXCLUDE_FILE(*crtend?.o *crtend.o) .ctors)
AnnaBridge 158:1c57384330a6 50 *(SORT(.ctors.*))
AnnaBridge 158:1c57384330a6 51 *(.ctors)
AnnaBridge 158:1c57384330a6 52
AnnaBridge 158:1c57384330a6 53 /* .dtors */
AnnaBridge 158:1c57384330a6 54 *crtbegin.o(.dtors)
AnnaBridge 158:1c57384330a6 55 *crtbegin?.o(.dtors)
AnnaBridge 158:1c57384330a6 56 *(EXCLUDE_FILE(*crtend?.o *crtend.o) .dtors)
AnnaBridge 158:1c57384330a6 57 *(SORT(.dtors.*))
AnnaBridge 158:1c57384330a6 58 *(.dtors)
AnnaBridge 158:1c57384330a6 59
AnnaBridge 158:1c57384330a6 60 *(.rodata*)
AnnaBridge 158:1c57384330a6 61
AnnaBridge 158:1c57384330a6 62 KEEP(*(.eh_frame*))
AnnaBridge 158:1c57384330a6 63 } > FLASH
AnnaBridge 158:1c57384330a6 64
AnnaBridge 158:1c57384330a6 65 .ARM.extab :
AnnaBridge 158:1c57384330a6 66 {
AnnaBridge 158:1c57384330a6 67 *(.ARM.extab* .gnu.linkonce.armextab.*)
AnnaBridge 158:1c57384330a6 68 } > FLASH
AnnaBridge 158:1c57384330a6 69
AnnaBridge 158:1c57384330a6 70 __exidx_start = .;
AnnaBridge 158:1c57384330a6 71 .ARM.exidx :
AnnaBridge 158:1c57384330a6 72 {
AnnaBridge 158:1c57384330a6 73 *(.ARM.exidx* .gnu.linkonce.armexidx.*)
AnnaBridge 158:1c57384330a6 74 } > FLASH
AnnaBridge 158:1c57384330a6 75 __exidx_end = .;
AnnaBridge 158:1c57384330a6 76
AnnaBridge 158:1c57384330a6 77 __etext = .;
AnnaBridge 158:1c57384330a6 78 _sidata = .;
AnnaBridge 158:1c57384330a6 79
AnnaBridge 158:1c57384330a6 80 .data : AT (__etext)
AnnaBridge 158:1c57384330a6 81 {
AnnaBridge 158:1c57384330a6 82 __data_start__ = .;
AnnaBridge 158:1c57384330a6 83 _sdata = .;
AnnaBridge 158:1c57384330a6 84 *(vtable)
AnnaBridge 158:1c57384330a6 85 *(.data*)
AnnaBridge 158:1c57384330a6 86
AnnaBridge 158:1c57384330a6 87 . = ALIGN(4);
AnnaBridge 158:1c57384330a6 88 /* preinit data */
AnnaBridge 158:1c57384330a6 89 PROVIDE_HIDDEN (__preinit_array_start = .);
AnnaBridge 158:1c57384330a6 90 KEEP(*(.preinit_array))
AnnaBridge 158:1c57384330a6 91 PROVIDE_HIDDEN (__preinit_array_end = .);
AnnaBridge 158:1c57384330a6 92
AnnaBridge 158:1c57384330a6 93 . = ALIGN(4);
AnnaBridge 158:1c57384330a6 94 /* init data */
AnnaBridge 158:1c57384330a6 95 PROVIDE_HIDDEN (__init_array_start = .);
AnnaBridge 158:1c57384330a6 96 KEEP(*(SORT(.init_array.*)))
AnnaBridge 158:1c57384330a6 97 KEEP(*(.init_array))
AnnaBridge 158:1c57384330a6 98 PROVIDE_HIDDEN (__init_array_end = .);
AnnaBridge 158:1c57384330a6 99
AnnaBridge 158:1c57384330a6 100
AnnaBridge 158:1c57384330a6 101 . = ALIGN(4);
AnnaBridge 158:1c57384330a6 102 /* finit data */
AnnaBridge 158:1c57384330a6 103 PROVIDE_HIDDEN (__fini_array_start = .);
AnnaBridge 158:1c57384330a6 104 KEEP(*(SORT(.fini_array.*)))
AnnaBridge 158:1c57384330a6 105 KEEP(*(.fini_array))
AnnaBridge 158:1c57384330a6 106 PROVIDE_HIDDEN (__fini_array_end = .);
AnnaBridge 158:1c57384330a6 107
AnnaBridge 158:1c57384330a6 108 KEEP(*(.jcr*))
AnnaBridge 158:1c57384330a6 109 . = ALIGN(4);
AnnaBridge 158:1c57384330a6 110 /* All data end */
AnnaBridge 158:1c57384330a6 111 __data_end__ = .;
AnnaBridge 158:1c57384330a6 112 _edata = .;
AnnaBridge 158:1c57384330a6 113
AnnaBridge 158:1c57384330a6 114 } > SRAM1
AnnaBridge 158:1c57384330a6 115
AnnaBridge 158:1c57384330a6 116 .bss :
AnnaBridge 158:1c57384330a6 117 {
AnnaBridge 158:1c57384330a6 118 . = ALIGN(4);
AnnaBridge 158:1c57384330a6 119 __bss_start__ = .;
AnnaBridge 158:1c57384330a6 120 _sbss = .;
AnnaBridge 158:1c57384330a6 121 *(.bss*)
AnnaBridge 158:1c57384330a6 122 *(COMMON)
AnnaBridge 158:1c57384330a6 123 . = ALIGN(4);
AnnaBridge 158:1c57384330a6 124 __bss_end__ = .;
AnnaBridge 158:1c57384330a6 125 _ebss = .;
AnnaBridge 158:1c57384330a6 126 } > SRAM1
AnnaBridge 158:1c57384330a6 127
AnnaBridge 158:1c57384330a6 128 .heap (COPY):
AnnaBridge 158:1c57384330a6 129 {
AnnaBridge 158:1c57384330a6 130 __end__ = .;
AnnaBridge 158:1c57384330a6 131 end = __end__;
AnnaBridge 158:1c57384330a6 132 *(.heap*)
AnnaBridge 158:1c57384330a6 133 __HeapLimit = .;
AnnaBridge 158:1c57384330a6 134 } > SRAM1
AnnaBridge 158:1c57384330a6 135
AnnaBridge 158:1c57384330a6 136 /* .stack_dummy section doesn't contains any symbols. It is only
AnnaBridge 158:1c57384330a6 137 * used for linker to calculate size of stack sections, and assign
AnnaBridge 158:1c57384330a6 138 * values to stack symbols later */
AnnaBridge 158:1c57384330a6 139 .stack_dummy (COPY):
AnnaBridge 158:1c57384330a6 140 {
AnnaBridge 158:1c57384330a6 141 *(.stack*)
AnnaBridge 158:1c57384330a6 142 } > SRAM1
AnnaBridge 158:1c57384330a6 143
AnnaBridge 158:1c57384330a6 144 /* Set stack top to end of RAM, and stack limit move down by
AnnaBridge 158:1c57384330a6 145 * size of stack_dummy section */
AnnaBridge 158:1c57384330a6 146 __StackTop = ORIGIN(SRAM1) + LENGTH(SRAM1);
AnnaBridge 158:1c57384330a6 147 _estack = __StackTop;
AnnaBridge 158:1c57384330a6 148 __StackLimit = __StackTop - SIZEOF(.stack_dummy);
AnnaBridge 158:1c57384330a6 149 PROVIDE(__stack = __StackTop);
AnnaBridge 158:1c57384330a6 150
AnnaBridge 158:1c57384330a6 151 /* Check if data + heap + stack exceeds RAM limit */
AnnaBridge 158:1c57384330a6 152 ASSERT(__StackLimit >= __HeapLimit, "region RAM overflowed with stack")
AnnaBridge 158:1c57384330a6 153 }