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_ELMO_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:
108:34e6b704fe68
Child:
167:84c0a372a020
Release 155 of the mbed library.

Who changed what in which revision?

UserRevisionLine numberNew contents of line
Kojto 108:34e6b704fe68 1 /* Linker script to configure memory regions. */
Kojto 108:34e6b704fe68 2 MEMORY
Kojto 108:34e6b704fe68 3 {
Kojto 108:34e6b704fe68 4 FLASH (rx) : ORIGIN = 0x08000000, LENGTH = 512K
Kojto 108:34e6b704fe68 5 RAM (rwx) : ORIGIN = 0x20000198, LENGTH = 128k - 0x198
Kojto 108:34e6b704fe68 6 }
Kojto 108:34e6b704fe68 7
Kojto 108:34e6b704fe68 8 /* Linker script to place sections and symbol values. Should be used together
Kojto 108:34e6b704fe68 9 * with other linker script that defines memory regions FLASH and RAM.
Kojto 108:34e6b704fe68 10 * It references following symbols, which must be defined in code:
Kojto 108:34e6b704fe68 11 * Reset_Handler : Entry of reset handler
Kojto 108:34e6b704fe68 12 *
Kojto 108:34e6b704fe68 13 * It defines following symbols, which code can use without definition:
Kojto 108:34e6b704fe68 14 * __exidx_start
Kojto 108:34e6b704fe68 15 * __exidx_end
Kojto 108:34e6b704fe68 16 * __etext
Kojto 108:34e6b704fe68 17 * __data_start__
Kojto 108:34e6b704fe68 18 * __preinit_array_start
Kojto 108:34e6b704fe68 19 * __preinit_array_end
Kojto 108:34e6b704fe68 20 * __init_array_start
Kojto 108:34e6b704fe68 21 * __init_array_end
Kojto 108:34e6b704fe68 22 * __fini_array_start
Kojto 108:34e6b704fe68 23 * __fini_array_end
Kojto 108:34e6b704fe68 24 * __data_end__
Kojto 108:34e6b704fe68 25 * __bss_start__
Kojto 108:34e6b704fe68 26 * __bss_end__
Kojto 108:34e6b704fe68 27 * __end__
Kojto 108:34e6b704fe68 28 * end
Kojto 108:34e6b704fe68 29 * __HeapLimit
Kojto 108:34e6b704fe68 30 * __StackLimit
Kojto 108:34e6b704fe68 31 * __StackTop
Kojto 108:34e6b704fe68 32 * __stack
Kojto 108:34e6b704fe68 33 * _estack
Kojto 108:34e6b704fe68 34 */
Kojto 108:34e6b704fe68 35 ENTRY(Reset_Handler)
Kojto 108:34e6b704fe68 36
Kojto 108:34e6b704fe68 37 SECTIONS
Kojto 108:34e6b704fe68 38 {
Kojto 108:34e6b704fe68 39 .text :
Kojto 108:34e6b704fe68 40 {
Kojto 108:34e6b704fe68 41 KEEP(*(.isr_vector))
Kojto 108:34e6b704fe68 42 *(.text*)
Kojto 108:34e6b704fe68 43 KEEP(*(.init))
Kojto 108:34e6b704fe68 44 KEEP(*(.fini))
Kojto 108:34e6b704fe68 45
Kojto 108:34e6b704fe68 46 /* .ctors */
Kojto 108:34e6b704fe68 47 *crtbegin.o(.ctors)
Kojto 108:34e6b704fe68 48 *crtbegin?.o(.ctors)
Kojto 108:34e6b704fe68 49 *(EXCLUDE_FILE(*crtend?.o *crtend.o) .ctors)
Kojto 108:34e6b704fe68 50 *(SORT(.ctors.*))
Kojto 108:34e6b704fe68 51 *(.ctors)
Kojto 108:34e6b704fe68 52
Kojto 108:34e6b704fe68 53 /* .dtors */
Kojto 108:34e6b704fe68 54 *crtbegin.o(.dtors)
Kojto 108:34e6b704fe68 55 *crtbegin?.o(.dtors)
Kojto 108:34e6b704fe68 56 *(EXCLUDE_FILE(*crtend?.o *crtend.o) .dtors)
Kojto 108:34e6b704fe68 57 *(SORT(.dtors.*))
Kojto 108:34e6b704fe68 58 *(.dtors)
Kojto 108:34e6b704fe68 59
Kojto 108:34e6b704fe68 60 *(.rodata*)
Kojto 108:34e6b704fe68 61
Kojto 108:34e6b704fe68 62 KEEP(*(.eh_frame*))
Kojto 108:34e6b704fe68 63 } > FLASH
Kojto 108:34e6b704fe68 64
Kojto 108:34e6b704fe68 65 .ARM.extab :
Kojto 108:34e6b704fe68 66 {
Kojto 108:34e6b704fe68 67 *(.ARM.extab* .gnu.linkonce.armextab.*)
Kojto 108:34e6b704fe68 68 } > FLASH
Kojto 108:34e6b704fe68 69
Kojto 108:34e6b704fe68 70 __exidx_start = .;
Kojto 108:34e6b704fe68 71 .ARM.exidx :
Kojto 108:34e6b704fe68 72 {
Kojto 108:34e6b704fe68 73 *(.ARM.exidx* .gnu.linkonce.armexidx.*)
Kojto 108:34e6b704fe68 74 } > FLASH
Kojto 108:34e6b704fe68 75 __exidx_end = .;
Kojto 108:34e6b704fe68 76
Kojto 108:34e6b704fe68 77 __etext = .;
Kojto 108:34e6b704fe68 78 _sidata = .;
Kojto 108:34e6b704fe68 79
Kojto 108:34e6b704fe68 80 .data : AT (__etext)
Kojto 108:34e6b704fe68 81 {
Kojto 108:34e6b704fe68 82 __data_start__ = .;
Kojto 108:34e6b704fe68 83 _sdata = .;
Kojto 108:34e6b704fe68 84 *(vtable)
Kojto 108:34e6b704fe68 85 *(.data*)
Kojto 108:34e6b704fe68 86
Kojto 108:34e6b704fe68 87 . = ALIGN(4);
Kojto 108:34e6b704fe68 88 /* preinit data */
Kojto 108:34e6b704fe68 89 PROVIDE_HIDDEN (__preinit_array_start = .);
Kojto 108:34e6b704fe68 90 KEEP(*(.preinit_array))
Kojto 108:34e6b704fe68 91 PROVIDE_HIDDEN (__preinit_array_end = .);
Kojto 108:34e6b704fe68 92
Kojto 108:34e6b704fe68 93 . = ALIGN(4);
Kojto 108:34e6b704fe68 94 /* init data */
Kojto 108:34e6b704fe68 95 PROVIDE_HIDDEN (__init_array_start = .);
Kojto 108:34e6b704fe68 96 KEEP(*(SORT(.init_array.*)))
Kojto 108:34e6b704fe68 97 KEEP(*(.init_array))
Kojto 108:34e6b704fe68 98 PROVIDE_HIDDEN (__init_array_end = .);
Kojto 108:34e6b704fe68 99
Kojto 108:34e6b704fe68 100
Kojto 108:34e6b704fe68 101 . = ALIGN(4);
Kojto 108:34e6b704fe68 102 /* finit data */
Kojto 108:34e6b704fe68 103 PROVIDE_HIDDEN (__fini_array_start = .);
Kojto 108:34e6b704fe68 104 KEEP(*(SORT(.fini_array.*)))
Kojto 108:34e6b704fe68 105 KEEP(*(.fini_array))
Kojto 108:34e6b704fe68 106 PROVIDE_HIDDEN (__fini_array_end = .);
Kojto 108:34e6b704fe68 107
Kojto 108:34e6b704fe68 108 KEEP(*(.jcr*))
Kojto 108:34e6b704fe68 109 . = ALIGN(4);
Kojto 108:34e6b704fe68 110 /* All data end */
Kojto 108:34e6b704fe68 111 __data_end__ = .;
Kojto 108:34e6b704fe68 112 _edata = .;
Kojto 108:34e6b704fe68 113
Kojto 108:34e6b704fe68 114 } > RAM
Kojto 108:34e6b704fe68 115
Kojto 108:34e6b704fe68 116 .bss :
Kojto 108:34e6b704fe68 117 {
Kojto 108:34e6b704fe68 118 . = ALIGN(4);
Kojto 108:34e6b704fe68 119 __bss_start__ = .;
Kojto 108:34e6b704fe68 120 _sbss = .;
Kojto 108:34e6b704fe68 121 *(.bss*)
Kojto 108:34e6b704fe68 122 *(COMMON)
Kojto 108:34e6b704fe68 123 . = ALIGN(4);
Kojto 108:34e6b704fe68 124 __bss_end__ = .;
Kojto 108:34e6b704fe68 125 _ebss = .;
Kojto 108:34e6b704fe68 126 } > RAM
Kojto 108:34e6b704fe68 127
Kojto 108:34e6b704fe68 128 .heap (COPY):
Kojto 108:34e6b704fe68 129 {
Kojto 108:34e6b704fe68 130 __end__ = .;
Kojto 108:34e6b704fe68 131 end = __end__;
Kojto 108:34e6b704fe68 132 *(.heap*)
Kojto 108:34e6b704fe68 133 __HeapLimit = .;
Kojto 108:34e6b704fe68 134 } > RAM
Kojto 108:34e6b704fe68 135
Kojto 108:34e6b704fe68 136 /* .stack_dummy section doesn't contains any symbols. It is only
Kojto 108:34e6b704fe68 137 * used for linker to calculate size of stack sections, and assign
Kojto 108:34e6b704fe68 138 * values to stack symbols later */
Kojto 108:34e6b704fe68 139 .stack_dummy (COPY):
Kojto 108:34e6b704fe68 140 {
Kojto 108:34e6b704fe68 141 *(.stack*)
Kojto 108:34e6b704fe68 142 } > RAM
Kojto 108:34e6b704fe68 143
Kojto 108:34e6b704fe68 144 /* Set stack top to end of RAM, and stack limit move down by
Kojto 108:34e6b704fe68 145 * size of stack_dummy section */
Kojto 108:34e6b704fe68 146 __StackTop = ORIGIN(RAM) + LENGTH(RAM);
Kojto 108:34e6b704fe68 147 _estack = __StackTop;
Kojto 108:34e6b704fe68 148 __StackLimit = __StackTop - SIZEOF(.stack_dummy);
Kojto 108:34e6b704fe68 149 PROVIDE(__stack = __StackTop);
Kojto 108:34e6b704fe68 150
Kojto 108:34e6b704fe68 151 /* Check if data + heap + stack exceeds RAM limit */
Kojto 108:34e6b704fe68 152 ASSERT(__StackLimit >= __HeapLimit, "region RAM overflowed with stack")
Kojto 108:34e6b704fe68 153 }