mbed official / mbed

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

Dependents:   hello SerialTestv11 SerialTestv12 Sierpinski ... more

mbed 2

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

TARGET_DISCO_L072CZ_LRWAN1/TOOLCHAIN_GCC_ARM/STM32L072XZ.ld@160:5571c4ff569f, 2018-01-17 (annotated)

Committer:
Anna Bridge
Date:
Wed Jan 17 16:13:02 2018 +0000
Revision:
160:5571c4ff569f
Parent:
143:86740a56073b
Child:
171:3a7713b1edbc
mbed library. Release version 158

Who changed what in which revision?

UserRevisionLine numberNew contents of line
AnnaBridge 143:86740a56073b 1 /* Linker script to configure memory regions. */
AnnaBridge 143:86740a56073b 2 MEMORY
AnnaBridge 143:86740a56073b 3 {
AnnaBridge 143:86740a56073b 4 FLASH (rx) : ORIGIN = 0x08000000, LENGTH = 192k
AnnaBridge 143:86740a56073b 5 RAM (rwx) : ORIGIN = 0x200000C0, LENGTH = 20K - 0xC0
AnnaBridge 143:86740a56073b 6 }
AnnaBridge 143:86740a56073b 7
AnnaBridge 143:86740a56073b 8 /* Linker script to place sections and symbol values. Should be used together
AnnaBridge 143:86740a56073b 9 * with other linker script that defines memory regions FLASH and RAM.
AnnaBridge 143:86740a56073b 10 * It references following symbols, which must be defined in code:
AnnaBridge 143:86740a56073b 11 * Reset_Handler : Entry of reset handler
AnnaBridge 143:86740a56073b 12 *
AnnaBridge 143:86740a56073b 13 * It defines following symbols, which code can use without definition:
AnnaBridge 143:86740a56073b 14 * __exidx_start
AnnaBridge 143:86740a56073b 15 * __exidx_end
AnnaBridge 143:86740a56073b 16 * __etext
AnnaBridge 143:86740a56073b 17 * __data_start__
AnnaBridge 143:86740a56073b 18 * __preinit_array_start
AnnaBridge 143:86740a56073b 19 * __preinit_array_end
AnnaBridge 143:86740a56073b 20 * __init_array_start
AnnaBridge 143:86740a56073b 21 * __init_array_end
AnnaBridge 143:86740a56073b 22 * __fini_array_start
AnnaBridge 143:86740a56073b 23 * __fini_array_end
AnnaBridge 143:86740a56073b 24 * __data_end__
AnnaBridge 143:86740a56073b 25 * __bss_start__
AnnaBridge 143:86740a56073b 26 * __bss_end__
AnnaBridge 143:86740a56073b 27 * __end__
AnnaBridge 143:86740a56073b 28 * end
AnnaBridge 143:86740a56073b 29 * __HeapLimit
AnnaBridge 143:86740a56073b 30 * __StackLimit
AnnaBridge 143:86740a56073b 31 * __StackTop
AnnaBridge 143:86740a56073b 32 * __stack
AnnaBridge 143:86740a56073b 33 * _estack
AnnaBridge 143:86740a56073b 34 */
AnnaBridge 143:86740a56073b 35 ENTRY(Reset_Handler)
AnnaBridge 143:86740a56073b 36
AnnaBridge 143:86740a56073b 37 SECTIONS
AnnaBridge 143:86740a56073b 38 {
AnnaBridge 143:86740a56073b 39 .text :
AnnaBridge 143:86740a56073b 40 {
AnnaBridge 143:86740a56073b 41 KEEP(*(.isr_vector))
AnnaBridge 143:86740a56073b 42 *(.text*)
AnnaBridge 143:86740a56073b 43 KEEP(*(.init))
AnnaBridge 143:86740a56073b 44 KEEP(*(.fini))
AnnaBridge 143:86740a56073b 45
AnnaBridge 143:86740a56073b 46 /* .ctors */
AnnaBridge 143:86740a56073b 47 *crtbegin.o(.ctors)
AnnaBridge 143:86740a56073b 48 *crtbegin?.o(.ctors)
AnnaBridge 143:86740a56073b 49 *(EXCLUDE_FILE(*crtend?.o *crtend.o) .ctors)
AnnaBridge 143:86740a56073b 50 *(SORT(.ctors.*))
AnnaBridge 143:86740a56073b 51 *(.ctors)
AnnaBridge 143:86740a56073b 52
AnnaBridge 143:86740a56073b 53 /* .dtors */
AnnaBridge 143:86740a56073b 54 *crtbegin.o(.dtors)
AnnaBridge 143:86740a56073b 55 *crtbegin?.o(.dtors)
AnnaBridge 143:86740a56073b 56 *(EXCLUDE_FILE(*crtend?.o *crtend.o) .dtors)
AnnaBridge 143:86740a56073b 57 *(SORT(.dtors.*))
AnnaBridge 143:86740a56073b 58 *(.dtors)
AnnaBridge 143:86740a56073b 59
AnnaBridge 143:86740a56073b 60 *(.rodata*)
AnnaBridge 143:86740a56073b 61
AnnaBridge 143:86740a56073b 62 KEEP(*(.eh_frame*))
AnnaBridge 143:86740a56073b 63 } > FLASH
AnnaBridge 143:86740a56073b 64
AnnaBridge 143:86740a56073b 65 .ARM.extab :
AnnaBridge 143:86740a56073b 66 {
AnnaBridge 143:86740a56073b 67 *(.ARM.extab* .gnu.linkonce.armextab.*)
AnnaBridge 143:86740a56073b 68 } > FLASH
AnnaBridge 143:86740a56073b 69
AnnaBridge 143:86740a56073b 70 __exidx_start = .;
AnnaBridge 143:86740a56073b 71 .ARM.exidx :
AnnaBridge 143:86740a56073b 72 {
AnnaBridge 143:86740a56073b 73 *(.ARM.exidx* .gnu.linkonce.armexidx.*)
AnnaBridge 143:86740a56073b 74 } > FLASH
AnnaBridge 143:86740a56073b 75 __exidx_end = .;
AnnaBridge 143:86740a56073b 76
AnnaBridge 143:86740a56073b 77 __etext = .;
AnnaBridge 143:86740a56073b 78 _sidata = .;
AnnaBridge 143:86740a56073b 79
AnnaBridge 143:86740a56073b 80 .data : AT (__etext)
AnnaBridge 143:86740a56073b 81 {
AnnaBridge 143:86740a56073b 82 __data_start__ = .;
AnnaBridge 143:86740a56073b 83 _sdata = .;
AnnaBridge 143:86740a56073b 84 *(vtable)
AnnaBridge 143:86740a56073b 85 *(.data*)
AnnaBridge 143:86740a56073b 86
AnnaBridge 143:86740a56073b 87 . = ALIGN(4);
AnnaBridge 143:86740a56073b 88 /* preinit data */
AnnaBridge 143:86740a56073b 89 PROVIDE_HIDDEN (__preinit_array_start = .);
AnnaBridge 143:86740a56073b 90 KEEP(*(.preinit_array))
AnnaBridge 143:86740a56073b 91 PROVIDE_HIDDEN (__preinit_array_end = .);
AnnaBridge 143:86740a56073b 92
AnnaBridge 143:86740a56073b 93 . = ALIGN(4);
AnnaBridge 143:86740a56073b 94 /* init data */
AnnaBridge 143:86740a56073b 95 PROVIDE_HIDDEN (__init_array_start = .);
AnnaBridge 143:86740a56073b 96 KEEP(*(SORT(.init_array.*)))
AnnaBridge 143:86740a56073b 97 KEEP(*(.init_array))
AnnaBridge 143:86740a56073b 98 PROVIDE_HIDDEN (__init_array_end = .);
AnnaBridge 143:86740a56073b 99
AnnaBridge 143:86740a56073b 100
AnnaBridge 143:86740a56073b 101 . = ALIGN(4);
AnnaBridge 143:86740a56073b 102 /* finit data */
AnnaBridge 143:86740a56073b 103 PROVIDE_HIDDEN (__fini_array_start = .);
AnnaBridge 143:86740a56073b 104 KEEP(*(SORT(.fini_array.*)))
AnnaBridge 143:86740a56073b 105 KEEP(*(.fini_array))
AnnaBridge 143:86740a56073b 106 PROVIDE_HIDDEN (__fini_array_end = .);
AnnaBridge 143:86740a56073b 107
AnnaBridge 143:86740a56073b 108 KEEP(*(.jcr*))
AnnaBridge 143:86740a56073b 109 . = ALIGN(4);
AnnaBridge 143:86740a56073b 110 /* All data end */
AnnaBridge 143:86740a56073b 111 __data_end__ = .;
AnnaBridge 143:86740a56073b 112 _edata = .;
AnnaBridge 143:86740a56073b 113
AnnaBridge 143:86740a56073b 114 } > RAM
AnnaBridge 143:86740a56073b 115
AnnaBridge 143:86740a56073b 116 .bss :
AnnaBridge 143:86740a56073b 117 {
AnnaBridge 143:86740a56073b 118 . = ALIGN(4);
AnnaBridge 143:86740a56073b 119 __bss_start__ = .;
AnnaBridge 143:86740a56073b 120 _sbss = .;
AnnaBridge 143:86740a56073b 121 *(.bss*)
AnnaBridge 143:86740a56073b 122 *(COMMON)
AnnaBridge 143:86740a56073b 123 . = ALIGN(4);
AnnaBridge 143:86740a56073b 124 __bss_end__ = .;
AnnaBridge 143:86740a56073b 125 _ebss = .;
AnnaBridge 143:86740a56073b 126 } > RAM
AnnaBridge 143:86740a56073b 127
AnnaBridge 143:86740a56073b 128 .heap (COPY):
AnnaBridge 143:86740a56073b 129 {
AnnaBridge 143:86740a56073b 130 __end__ = .;
AnnaBridge 143:86740a56073b 131 end = __end__;
AnnaBridge 143:86740a56073b 132 *(.heap*)
AnnaBridge 143:86740a56073b 133 __HeapLimit = .;
AnnaBridge 143:86740a56073b 134 } > RAM
AnnaBridge 143:86740a56073b 135
AnnaBridge 143:86740a56073b 136 /* .stack_dummy section doesn't contains any symbols. It is only
AnnaBridge 143:86740a56073b 137 * used for linker to calculate size of stack sections, and assign
AnnaBridge 143:86740a56073b 138 * values to stack symbols later */
AnnaBridge 143:86740a56073b 139 .stack_dummy (COPY):
AnnaBridge 143:86740a56073b 140 {
AnnaBridge 143:86740a56073b 141 *(.stack*)
AnnaBridge 143:86740a56073b 142 } > RAM
AnnaBridge 143:86740a56073b 143
AnnaBridge 143:86740a56073b 144 /* Set stack top to end of RAM, and stack limit move down by
AnnaBridge 143:86740a56073b 145 * size of stack_dummy section */
AnnaBridge 143:86740a56073b 146 __StackTop = ORIGIN(RAM) + LENGTH(RAM);
AnnaBridge 143:86740a56073b 147 _estack = __StackTop;
AnnaBridge 143:86740a56073b 148 __StackLimit = __StackTop - SIZEOF(.stack_dummy);
AnnaBridge 143:86740a56073b 149 PROVIDE(__stack = __StackTop);
AnnaBridge 143:86740a56073b 150
AnnaBridge 143:86740a56073b 151 /* Check if data + heap + stack exceeds RAM limit */
AnnaBridge 143:86740a56073b 152 ASSERT(__StackLimit >= __HeapLimit, "region RAM overflowed with stack")
AnnaBridge 143:86740a56073b 153 }