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_STEVAL_3DP001V1/TOOLCHAIN_GCC_ARM/STM32F401XE.ld@166:5aab5a7997ee, 2018-04-20 (annotated)

Committer:
Anna Bridge
Date:
Fri Apr 20 11:08:29 2018 +0100
Revision:
166:5aab5a7997ee
Parent:
163:e59c8e839560
Child:
171:3a7713b1edbc
Updating mbed 2 version number

Who changed what in which revision?

UserRevisionLine numberNew contents of line
AnnaBridge 163:e59c8e839560 1 /* Linker script to configure memory regions. */
AnnaBridge 163:e59c8e839560 2 MEMORY
AnnaBridge 163:e59c8e839560 3 {
AnnaBridge 163:e59c8e839560 4 FLASH (rx) : ORIGIN = 0x08000000, LENGTH = 512K
AnnaBridge 163:e59c8e839560 5 RAM (rwx) : ORIGIN = 0x20000194, LENGTH = 96k - 0x194
AnnaBridge 163:e59c8e839560 6 }
AnnaBridge 163:e59c8e839560 7
AnnaBridge 163:e59c8e839560 8 /* Linker script to place sections and symbol values. Should be used together
AnnaBridge 163:e59c8e839560 9 * with other linker script that defines memory regions FLASH and RAM.
AnnaBridge 163:e59c8e839560 10 * It references following symbols, which must be defined in code:
AnnaBridge 163:e59c8e839560 11 * Reset_Handler : Entry of reset handler
AnnaBridge 163:e59c8e839560 12 *
AnnaBridge 163:e59c8e839560 13 * It defines following symbols, which code can use without definition:
AnnaBridge 163:e59c8e839560 14 * __exidx_start
AnnaBridge 163:e59c8e839560 15 * __exidx_end
AnnaBridge 163:e59c8e839560 16 * __etext
AnnaBridge 163:e59c8e839560 17 * __data_start__
AnnaBridge 163:e59c8e839560 18 * __preinit_array_start
AnnaBridge 163:e59c8e839560 19 * __preinit_array_end
AnnaBridge 163:e59c8e839560 20 * __init_array_start
AnnaBridge 163:e59c8e839560 21 * __init_array_end
AnnaBridge 163:e59c8e839560 22 * __fini_array_start
AnnaBridge 163:e59c8e839560 23 * __fini_array_end
AnnaBridge 163:e59c8e839560 24 * __data_end__
AnnaBridge 163:e59c8e839560 25 * __bss_start__
AnnaBridge 163:e59c8e839560 26 * __bss_end__
AnnaBridge 163:e59c8e839560 27 * __end__
AnnaBridge 163:e59c8e839560 28 * end
AnnaBridge 163:e59c8e839560 29 * __HeapLimit
AnnaBridge 163:e59c8e839560 30 * __StackLimit
AnnaBridge 163:e59c8e839560 31 * __StackTop
AnnaBridge 163:e59c8e839560 32 * __stack
AnnaBridge 163:e59c8e839560 33 * _estack
AnnaBridge 163:e59c8e839560 34 */
AnnaBridge 163:e59c8e839560 35 ENTRY(Reset_Handler)
AnnaBridge 163:e59c8e839560 36
AnnaBridge 163:e59c8e839560 37 SECTIONS
AnnaBridge 163:e59c8e839560 38 {
AnnaBridge 163:e59c8e839560 39 .text :
AnnaBridge 163:e59c8e839560 40 {
AnnaBridge 163:e59c8e839560 41 KEEP(*(.isr_vector))
AnnaBridge 163:e59c8e839560 42 *(.text*)
AnnaBridge 163:e59c8e839560 43 KEEP(*(.init))
AnnaBridge 163:e59c8e839560 44 KEEP(*(.fini))
AnnaBridge 163:e59c8e839560 45
AnnaBridge 163:e59c8e839560 46 /* .ctors */
AnnaBridge 163:e59c8e839560 47 *crtbegin.o(.ctors)
AnnaBridge 163:e59c8e839560 48 *crtbegin?.o(.ctors)
AnnaBridge 163:e59c8e839560 49 *(EXCLUDE_FILE(*crtend?.o *crtend.o) .ctors)
AnnaBridge 163:e59c8e839560 50 *(SORT(.ctors.*))
AnnaBridge 163:e59c8e839560 51 *(.ctors)
AnnaBridge 163:e59c8e839560 52
AnnaBridge 163:e59c8e839560 53 /* .dtors */
AnnaBridge 163:e59c8e839560 54 *crtbegin.o(.dtors)
AnnaBridge 163:e59c8e839560 55 *crtbegin?.o(.dtors)
AnnaBridge 163:e59c8e839560 56 *(EXCLUDE_FILE(*crtend?.o *crtend.o) .dtors)
AnnaBridge 163:e59c8e839560 57 *(SORT(.dtors.*))
AnnaBridge 163:e59c8e839560 58 *(.dtors)
AnnaBridge 163:e59c8e839560 59
AnnaBridge 163:e59c8e839560 60 *(.rodata*)
AnnaBridge 163:e59c8e839560 61
AnnaBridge 163:e59c8e839560 62 KEEP(*(.eh_frame*))
AnnaBridge 163:e59c8e839560 63 } > FLASH
AnnaBridge 163:e59c8e839560 64
AnnaBridge 163:e59c8e839560 65 .ARM.extab :
AnnaBridge 163:e59c8e839560 66 {
AnnaBridge 163:e59c8e839560 67 *(.ARM.extab* .gnu.linkonce.armextab.*)
AnnaBridge 163:e59c8e839560 68 } > FLASH
AnnaBridge 163:e59c8e839560 69
AnnaBridge 163:e59c8e839560 70 __exidx_start = .;
AnnaBridge 163:e59c8e839560 71 .ARM.exidx :
AnnaBridge 163:e59c8e839560 72 {
AnnaBridge 163:e59c8e839560 73 *(.ARM.exidx* .gnu.linkonce.armexidx.*)
AnnaBridge 163:e59c8e839560 74 } > FLASH
AnnaBridge 163:e59c8e839560 75 __exidx_end = .;
AnnaBridge 163:e59c8e839560 76
AnnaBridge 163:e59c8e839560 77 __etext = .;
AnnaBridge 163:e59c8e839560 78 _sidata = .;
AnnaBridge 163:e59c8e839560 79
AnnaBridge 163:e59c8e839560 80 .data : AT (__etext)
AnnaBridge 163:e59c8e839560 81 {
AnnaBridge 163:e59c8e839560 82 __data_start__ = .;
AnnaBridge 163:e59c8e839560 83 _sdata = .;
AnnaBridge 163:e59c8e839560 84 *(vtable)
AnnaBridge 163:e59c8e839560 85 *(.data*)
AnnaBridge 163:e59c8e839560 86
AnnaBridge 163:e59c8e839560 87 . = ALIGN(4);
AnnaBridge 163:e59c8e839560 88 /* preinit data */
AnnaBridge 163:e59c8e839560 89 PROVIDE_HIDDEN (__preinit_array_start = .);
AnnaBridge 163:e59c8e839560 90 KEEP(*(.preinit_array))
AnnaBridge 163:e59c8e839560 91 PROVIDE_HIDDEN (__preinit_array_end = .);
AnnaBridge 163:e59c8e839560 92
AnnaBridge 163:e59c8e839560 93 . = ALIGN(4);
AnnaBridge 163:e59c8e839560 94 /* init data */
AnnaBridge 163:e59c8e839560 95 PROVIDE_HIDDEN (__init_array_start = .);
AnnaBridge 163:e59c8e839560 96 KEEP(*(SORT(.init_array.*)))
AnnaBridge 163:e59c8e839560 97 KEEP(*(.init_array))
AnnaBridge 163:e59c8e839560 98 PROVIDE_HIDDEN (__init_array_end = .);
AnnaBridge 163:e59c8e839560 99
AnnaBridge 163:e59c8e839560 100
AnnaBridge 163:e59c8e839560 101 . = ALIGN(4);
AnnaBridge 163:e59c8e839560 102 /* finit data */
AnnaBridge 163:e59c8e839560 103 PROVIDE_HIDDEN (__fini_array_start = .);
AnnaBridge 163:e59c8e839560 104 KEEP(*(SORT(.fini_array.*)))
AnnaBridge 163:e59c8e839560 105 KEEP(*(.fini_array))
AnnaBridge 163:e59c8e839560 106 PROVIDE_HIDDEN (__fini_array_end = .);
AnnaBridge 163:e59c8e839560 107
AnnaBridge 163:e59c8e839560 108 KEEP(*(.jcr*))
AnnaBridge 163:e59c8e839560 109 . = ALIGN(4);
AnnaBridge 163:e59c8e839560 110 /* All data end */
AnnaBridge 163:e59c8e839560 111 __data_end__ = .;
AnnaBridge 163:e59c8e839560 112 _edata = .;
AnnaBridge 163:e59c8e839560 113
AnnaBridge 163:e59c8e839560 114 } > RAM
AnnaBridge 163:e59c8e839560 115
AnnaBridge 163:e59c8e839560 116 .bss :
AnnaBridge 163:e59c8e839560 117 {
AnnaBridge 163:e59c8e839560 118 . = ALIGN(4);
AnnaBridge 163:e59c8e839560 119 __bss_start__ = .;
AnnaBridge 163:e59c8e839560 120 _sbss = .;
AnnaBridge 163:e59c8e839560 121 *(.bss*)
AnnaBridge 163:e59c8e839560 122 *(COMMON)
AnnaBridge 163:e59c8e839560 123 . = ALIGN(4);
AnnaBridge 163:e59c8e839560 124 __bss_end__ = .;
AnnaBridge 163:e59c8e839560 125 _ebss = .;
AnnaBridge 163:e59c8e839560 126 } > RAM
AnnaBridge 163:e59c8e839560 127
AnnaBridge 163:e59c8e839560 128 .heap (COPY):
AnnaBridge 163:e59c8e839560 129 {
AnnaBridge 163:e59c8e839560 130 __end__ = .;
AnnaBridge 163:e59c8e839560 131 end = __end__;
AnnaBridge 163:e59c8e839560 132 *(.heap*)
AnnaBridge 163:e59c8e839560 133 __HeapLimit = .;
AnnaBridge 163:e59c8e839560 134 } > RAM
AnnaBridge 163:e59c8e839560 135
AnnaBridge 163:e59c8e839560 136 /* .stack_dummy section doesn't contains any symbols. It is only
AnnaBridge 163:e59c8e839560 137 * used for linker to calculate size of stack sections, and assign
AnnaBridge 163:e59c8e839560 138 * values to stack symbols later */
AnnaBridge 163:e59c8e839560 139 .stack_dummy (COPY):
AnnaBridge 163:e59c8e839560 140 {
AnnaBridge 163:e59c8e839560 141 *(.stack*)
AnnaBridge 163:e59c8e839560 142 } > RAM
AnnaBridge 163:e59c8e839560 143
AnnaBridge 163:e59c8e839560 144 /* Set stack top to end of RAM, and stack limit move down by
AnnaBridge 163:e59c8e839560 145 * size of stack_dummy section */
AnnaBridge 163:e59c8e839560 146 __StackTop = ORIGIN(RAM) + LENGTH(RAM);
AnnaBridge 163:e59c8e839560 147 _estack = __StackTop;
AnnaBridge 163:e59c8e839560 148 __StackLimit = __StackTop - SIZEOF(.stack_dummy);
AnnaBridge 163:e59c8e839560 149 PROVIDE(__stack = __StackTop);
AnnaBridge 163:e59c8e839560 150
AnnaBridge 163:e59c8e839560 151 /* Check if data + heap + stack exceeds RAM limit */
AnnaBridge 163:e59c8e839560 152 ASSERT(__StackLimit >= __HeapLimit, "region RAM overflowed with stack")
AnnaBridge 163:e59c8e839560 153 }