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_MTS_MDOT_F411RE/TOOLCHAIN_GCC_ARM/STM32F411XE.ld@157:e7ca05fa8600, 2017-11-09 (annotated)

Committer:
AnnaBridge
Date:
Thu Nov 09 11:14:10 2017 +0000
Revision:
157:e7ca05fa8600
Parent:
156:ff21514d8981
Child:
171:3a7713b1edbc
Release 155 of the mbed library.

Who changed what in which revision?

UserRevisionLine numberNew contents of line
AnnaBridge 156:ff21514d8981 1 /* Linker script to configure memory regions. */
AnnaBridge 156:ff21514d8981 2 MEMORY
AnnaBridge 156:ff21514d8981 3 {
AnnaBridge 156:ff21514d8981 4 /* First 64kB of flash reserved for bootloader */
AnnaBridge 156:ff21514d8981 5 /* Other 448kB for application */
AnnaBridge 156:ff21514d8981 6 FLASH (rx) : ORIGIN = 0x08010000, LENGTH = 448K
AnnaBridge 156:ff21514d8981 7 RAM (rwx) : ORIGIN = 0x20000198, LENGTH = 128k - 0x198
AnnaBridge 156:ff21514d8981 8 }
AnnaBridge 156:ff21514d8981 9
AnnaBridge 156:ff21514d8981 10 /* Linker script to place sections and symbol values. Should be used together
AnnaBridge 156:ff21514d8981 11 * with other linker script that defines memory regions FLASH and RAM.
AnnaBridge 156:ff21514d8981 12 * It references following symbols, which must be defined in code:
AnnaBridge 156:ff21514d8981 13 * Reset_Handler : Entry of reset handler
AnnaBridge 156:ff21514d8981 14 *
AnnaBridge 156:ff21514d8981 15 * It defines following symbols, which code can use without definition:
AnnaBridge 156:ff21514d8981 16 * __exidx_start
AnnaBridge 156:ff21514d8981 17 * __exidx_end
AnnaBridge 156:ff21514d8981 18 * __etext
AnnaBridge 156:ff21514d8981 19 * __data_start__
AnnaBridge 156:ff21514d8981 20 * __preinit_array_start
AnnaBridge 156:ff21514d8981 21 * __preinit_array_end
AnnaBridge 156:ff21514d8981 22 * __init_array_start
AnnaBridge 156:ff21514d8981 23 * __init_array_end
AnnaBridge 156:ff21514d8981 24 * __fini_array_start
AnnaBridge 156:ff21514d8981 25 * __fini_array_end
AnnaBridge 156:ff21514d8981 26 * __data_end__
AnnaBridge 156:ff21514d8981 27 * __bss_start__
AnnaBridge 156:ff21514d8981 28 * __bss_end__
AnnaBridge 156:ff21514d8981 29 * __end__
AnnaBridge 156:ff21514d8981 30 * end
AnnaBridge 156:ff21514d8981 31 * __HeapLimit
AnnaBridge 156:ff21514d8981 32 * __StackLimit
AnnaBridge 156:ff21514d8981 33 * __StackTop
AnnaBridge 156:ff21514d8981 34 * __stack
AnnaBridge 156:ff21514d8981 35 * _estack
AnnaBridge 156:ff21514d8981 36 */
AnnaBridge 156:ff21514d8981 37 ENTRY(Reset_Handler)
AnnaBridge 156:ff21514d8981 38
AnnaBridge 156:ff21514d8981 39 SECTIONS
AnnaBridge 156:ff21514d8981 40 {
AnnaBridge 156:ff21514d8981 41 .text :
AnnaBridge 156:ff21514d8981 42 {
AnnaBridge 156:ff21514d8981 43 KEEP(*(.isr_vector))
AnnaBridge 156:ff21514d8981 44 *(.text*)
AnnaBridge 156:ff21514d8981 45 KEEP(*(.init))
AnnaBridge 156:ff21514d8981 46 KEEP(*(.fini))
AnnaBridge 156:ff21514d8981 47
AnnaBridge 156:ff21514d8981 48 /* .ctors */
AnnaBridge 156:ff21514d8981 49 *crtbegin.o(.ctors)
AnnaBridge 156:ff21514d8981 50 *crtbegin?.o(.ctors)
AnnaBridge 156:ff21514d8981 51 *(EXCLUDE_FILE(*crtend?.o *crtend.o) .ctors)
AnnaBridge 156:ff21514d8981 52 *(SORT(.ctors.*))
AnnaBridge 156:ff21514d8981 53 *(.ctors)
AnnaBridge 156:ff21514d8981 54
AnnaBridge 156:ff21514d8981 55 /* .dtors */
AnnaBridge 156:ff21514d8981 56 *crtbegin.o(.dtors)
AnnaBridge 156:ff21514d8981 57 *crtbegin?.o(.dtors)
AnnaBridge 156:ff21514d8981 58 *(EXCLUDE_FILE(*crtend?.o *crtend.o) .dtors)
AnnaBridge 156:ff21514d8981 59 *(SORT(.dtors.*))
AnnaBridge 156:ff21514d8981 60 *(.dtors)
AnnaBridge 156:ff21514d8981 61
AnnaBridge 156:ff21514d8981 62 *(.rodata*)
AnnaBridge 156:ff21514d8981 63
AnnaBridge 156:ff21514d8981 64 KEEP(*(.eh_frame*))
AnnaBridge 156:ff21514d8981 65 } > FLASH
AnnaBridge 156:ff21514d8981 66
AnnaBridge 156:ff21514d8981 67 .ARM.extab :
AnnaBridge 156:ff21514d8981 68 {
AnnaBridge 156:ff21514d8981 69 *(.ARM.extab* .gnu.linkonce.armextab.*)
AnnaBridge 156:ff21514d8981 70 } > FLASH
AnnaBridge 156:ff21514d8981 71
AnnaBridge 156:ff21514d8981 72 __exidx_start = .;
AnnaBridge 156:ff21514d8981 73 .ARM.exidx :
AnnaBridge 156:ff21514d8981 74 {
AnnaBridge 156:ff21514d8981 75 *(.ARM.exidx* .gnu.linkonce.armexidx.*)
AnnaBridge 156:ff21514d8981 76 } > FLASH
AnnaBridge 156:ff21514d8981 77 __exidx_end = .;
AnnaBridge 156:ff21514d8981 78
AnnaBridge 156:ff21514d8981 79 __etext = .;
AnnaBridge 156:ff21514d8981 80 _sidata = .;
AnnaBridge 156:ff21514d8981 81
AnnaBridge 156:ff21514d8981 82 .data : AT (__etext)
AnnaBridge 156:ff21514d8981 83 {
AnnaBridge 156:ff21514d8981 84 __data_start__ = .;
AnnaBridge 156:ff21514d8981 85 _sdata = .;
AnnaBridge 156:ff21514d8981 86 *(vtable)
AnnaBridge 156:ff21514d8981 87 *(.data*)
AnnaBridge 156:ff21514d8981 88
AnnaBridge 156:ff21514d8981 89 . = ALIGN(4);
AnnaBridge 156:ff21514d8981 90 /* preinit data */
AnnaBridge 156:ff21514d8981 91 PROVIDE_HIDDEN (__preinit_array_start = .);
AnnaBridge 156:ff21514d8981 92 KEEP(*(.preinit_array))
AnnaBridge 156:ff21514d8981 93 PROVIDE_HIDDEN (__preinit_array_end = .);
AnnaBridge 156:ff21514d8981 94
AnnaBridge 156:ff21514d8981 95 . = ALIGN(4);
AnnaBridge 156:ff21514d8981 96 /* init data */
AnnaBridge 156:ff21514d8981 97 PROVIDE_HIDDEN (__init_array_start = .);
AnnaBridge 156:ff21514d8981 98 KEEP(*(SORT(.init_array.*)))
AnnaBridge 156:ff21514d8981 99 KEEP(*(.init_array))
AnnaBridge 156:ff21514d8981 100 PROVIDE_HIDDEN (__init_array_end = .);
AnnaBridge 156:ff21514d8981 101
AnnaBridge 156:ff21514d8981 102
AnnaBridge 156:ff21514d8981 103 . = ALIGN(4);
AnnaBridge 156:ff21514d8981 104 /* finit data */
AnnaBridge 156:ff21514d8981 105 PROVIDE_HIDDEN (__fini_array_start = .);
AnnaBridge 156:ff21514d8981 106 KEEP(*(SORT(.fini_array.*)))
AnnaBridge 156:ff21514d8981 107 KEEP(*(.fini_array))
AnnaBridge 156:ff21514d8981 108 PROVIDE_HIDDEN (__fini_array_end = .);
AnnaBridge 156:ff21514d8981 109
AnnaBridge 156:ff21514d8981 110 KEEP(*(.jcr*))
AnnaBridge 156:ff21514d8981 111 . = ALIGN(4);
AnnaBridge 156:ff21514d8981 112 /* All data end */
AnnaBridge 156:ff21514d8981 113 __data_end__ = .;
AnnaBridge 156:ff21514d8981 114 _edata = .;
AnnaBridge 156:ff21514d8981 115
AnnaBridge 156:ff21514d8981 116 } > RAM
AnnaBridge 156:ff21514d8981 117
AnnaBridge 156:ff21514d8981 118 .bss :
AnnaBridge 156:ff21514d8981 119 {
AnnaBridge 156:ff21514d8981 120 . = ALIGN(4);
AnnaBridge 156:ff21514d8981 121 __bss_start__ = .;
AnnaBridge 156:ff21514d8981 122 _sbss = .;
AnnaBridge 156:ff21514d8981 123 *(.bss*)
AnnaBridge 156:ff21514d8981 124 *(COMMON)
AnnaBridge 156:ff21514d8981 125 . = ALIGN(4);
AnnaBridge 156:ff21514d8981 126 __bss_end__ = .;
AnnaBridge 156:ff21514d8981 127 _ebss = .;
AnnaBridge 156:ff21514d8981 128 } > RAM
AnnaBridge 156:ff21514d8981 129
AnnaBridge 156:ff21514d8981 130 .heap (COPY):
AnnaBridge 156:ff21514d8981 131 {
AnnaBridge 156:ff21514d8981 132 __end__ = .;
AnnaBridge 156:ff21514d8981 133 end = __end__;
AnnaBridge 156:ff21514d8981 134 *(.heap*)
AnnaBridge 156:ff21514d8981 135 __HeapLimit = .;
AnnaBridge 156:ff21514d8981 136 } > RAM
AnnaBridge 156:ff21514d8981 137
AnnaBridge 156:ff21514d8981 138 /* .stack_dummy section doesn't contains any symbols. It is only
AnnaBridge 156:ff21514d8981 139 * used for linker to calculate size of stack sections, and assign
AnnaBridge 156:ff21514d8981 140 * values to stack symbols later */
AnnaBridge 156:ff21514d8981 141 .stack_dummy (COPY):
AnnaBridge 156:ff21514d8981 142 {
AnnaBridge 156:ff21514d8981 143 *(.stack*)
AnnaBridge 156:ff21514d8981 144 } > RAM
AnnaBridge 156:ff21514d8981 145
AnnaBridge 156:ff21514d8981 146 /* Set stack top to end of RAM, and stack limit move down by
AnnaBridge 156:ff21514d8981 147 * size of stack_dummy section */
AnnaBridge 156:ff21514d8981 148 __StackTop = ORIGIN(RAM) + LENGTH(RAM);
AnnaBridge 156:ff21514d8981 149 _estack = __StackTop;
AnnaBridge 156:ff21514d8981 150 __StackLimit = __StackTop - SIZEOF(.stack_dummy);
AnnaBridge 156:ff21514d8981 151 PROVIDE(__stack = __StackTop);
AnnaBridge 156:ff21514d8981 152
AnnaBridge 156:ff21514d8981 153 /* Check if data + heap + stack exceeds RAM limit */
AnnaBridge 156:ff21514d8981 154 ASSERT(__StackLimit >= __HeapLimit, "region RAM overflowed with stack")
AnnaBridge 156:ff21514d8981 155 }