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_NUCLEO_F303ZE/TOOLCHAIN_GCC_ARM/STM32F303XE.ld@157:e7ca05fa8600, 2017-11-09 (annotated)

Committer:
AnnaBridge
Date:
Thu Nov 09 11:14:10 2017 +0000
Revision:
157:e7ca05fa8600
Parent:
126:abea610beb85
Child:
170:e95d10626187
Release 155 of the mbed library.

Who changed what in which revision?

UserRevisionLine numberNew contents of line
AnnaBridge 126:abea610beb85 1 /* Linker script to configure memory regions. */
AnnaBridge 126:abea610beb85 2 MEMORY
AnnaBridge 126:abea610beb85 3 {
AnnaBridge 126:abea610beb85 4 FLASH (rx) : ORIGIN = 0x08000000, LENGTH = 512K
AnnaBridge 126:abea610beb85 5 CCM (rwx) : ORIGIN = 0x10000000, LENGTH = 16K
AnnaBridge 126:abea610beb85 6 RAM (rwx) : ORIGIN = 0x20000194, LENGTH = 64K - 0x194
AnnaBridge 126:abea610beb85 7 }
AnnaBridge 126:abea610beb85 8
AnnaBridge 126:abea610beb85 9 /* Linker script to place sections and symbol values. Should be used together
AnnaBridge 126:abea610beb85 10 * with other linker script that defines memory regions FLASH and RAM.
AnnaBridge 126:abea610beb85 11 * It references following symbols, which must be defined in code:
AnnaBridge 126:abea610beb85 12 * Reset_Handler : Entry of reset handler
AnnaBridge 126:abea610beb85 13 *
AnnaBridge 126:abea610beb85 14 * It defines following symbols, which code can use without definition:
AnnaBridge 126:abea610beb85 15 * __exidx_start
AnnaBridge 126:abea610beb85 16 * __exidx_end
AnnaBridge 126:abea610beb85 17 * __etext
AnnaBridge 126:abea610beb85 18 * __data_start__
AnnaBridge 126:abea610beb85 19 * __preinit_array_start
AnnaBridge 126:abea610beb85 20 * __preinit_array_end
AnnaBridge 126:abea610beb85 21 * __init_array_start
AnnaBridge 126:abea610beb85 22 * __init_array_end
AnnaBridge 126:abea610beb85 23 * __fini_array_start
AnnaBridge 126:abea610beb85 24 * __fini_array_end
AnnaBridge 126:abea610beb85 25 * __data_end__
AnnaBridge 126:abea610beb85 26 * __bss_start__
AnnaBridge 126:abea610beb85 27 * __bss_end__
AnnaBridge 126:abea610beb85 28 * __end__
AnnaBridge 126:abea610beb85 29 * end
AnnaBridge 126:abea610beb85 30 * __HeapLimit
AnnaBridge 126:abea610beb85 31 * __StackLimit
AnnaBridge 126:abea610beb85 32 * __StackTop
AnnaBridge 126:abea610beb85 33 * __stack
AnnaBridge 126:abea610beb85 34 * _estack
AnnaBridge 126:abea610beb85 35 */
AnnaBridge 126:abea610beb85 36 ENTRY(Reset_Handler)
AnnaBridge 126:abea610beb85 37
AnnaBridge 126:abea610beb85 38 SECTIONS
AnnaBridge 126:abea610beb85 39 {
AnnaBridge 126:abea610beb85 40 .text :
AnnaBridge 126:abea610beb85 41 {
AnnaBridge 126:abea610beb85 42 KEEP(*(.isr_vector))
AnnaBridge 126:abea610beb85 43 *(.text*)
AnnaBridge 126:abea610beb85 44 KEEP(*(.init))
AnnaBridge 126:abea610beb85 45 KEEP(*(.fini))
AnnaBridge 126:abea610beb85 46
AnnaBridge 126:abea610beb85 47 /* .ctors */
AnnaBridge 126:abea610beb85 48 *crtbegin.o(.ctors)
AnnaBridge 126:abea610beb85 49 *crtbegin?.o(.ctors)
AnnaBridge 126:abea610beb85 50 *(EXCLUDE_FILE(*crtend?.o *crtend.o) .ctors)
AnnaBridge 126:abea610beb85 51 *(SORT(.ctors.*))
AnnaBridge 126:abea610beb85 52 *(.ctors)
AnnaBridge 126:abea610beb85 53
AnnaBridge 126:abea610beb85 54 /* .dtors */
AnnaBridge 126:abea610beb85 55 *crtbegin.o(.dtors)
AnnaBridge 126:abea610beb85 56 *crtbegin?.o(.dtors)
AnnaBridge 126:abea610beb85 57 *(EXCLUDE_FILE(*crtend?.o *crtend.o) .dtors)
AnnaBridge 126:abea610beb85 58 *(SORT(.dtors.*))
AnnaBridge 126:abea610beb85 59 *(.dtors)
AnnaBridge 126:abea610beb85 60
AnnaBridge 126:abea610beb85 61 *(.rodata*)
AnnaBridge 126:abea610beb85 62
AnnaBridge 126:abea610beb85 63 KEEP(*(.eh_frame*))
AnnaBridge 126:abea610beb85 64 } > FLASH
AnnaBridge 126:abea610beb85 65
AnnaBridge 126:abea610beb85 66 .ARM.extab :
AnnaBridge 126:abea610beb85 67 {
AnnaBridge 126:abea610beb85 68 *(.ARM.extab* .gnu.linkonce.armextab.*)
AnnaBridge 126:abea610beb85 69 } > FLASH
AnnaBridge 126:abea610beb85 70
AnnaBridge 126:abea610beb85 71 __exidx_start = .;
AnnaBridge 126:abea610beb85 72 .ARM.exidx :
AnnaBridge 126:abea610beb85 73 {
AnnaBridge 126:abea610beb85 74 *(.ARM.exidx* .gnu.linkonce.armexidx.*)
AnnaBridge 126:abea610beb85 75 } > FLASH
AnnaBridge 126:abea610beb85 76 __exidx_end = .;
AnnaBridge 126:abea610beb85 77
AnnaBridge 126:abea610beb85 78 __etext = .;
AnnaBridge 126:abea610beb85 79 _sidata = .;
AnnaBridge 126:abea610beb85 80
AnnaBridge 126:abea610beb85 81 .data : AT (__etext)
AnnaBridge 126:abea610beb85 82 {
AnnaBridge 126:abea610beb85 83 __data_start__ = .;
AnnaBridge 126:abea610beb85 84 _sdata = .;
AnnaBridge 126:abea610beb85 85 *(vtable)
AnnaBridge 126:abea610beb85 86 *(.data*)
AnnaBridge 126:abea610beb85 87
AnnaBridge 126:abea610beb85 88 . = ALIGN(4);
AnnaBridge 126:abea610beb85 89 /* preinit data */
AnnaBridge 126:abea610beb85 90 PROVIDE_HIDDEN (__preinit_array_start = .);
AnnaBridge 126:abea610beb85 91 KEEP(*(.preinit_array))
AnnaBridge 126:abea610beb85 92 PROVIDE_HIDDEN (__preinit_array_end = .);
AnnaBridge 126:abea610beb85 93
AnnaBridge 126:abea610beb85 94 . = ALIGN(4);
AnnaBridge 126:abea610beb85 95 /* init data */
AnnaBridge 126:abea610beb85 96 PROVIDE_HIDDEN (__init_array_start = .);
AnnaBridge 126:abea610beb85 97 KEEP(*(SORT(.init_array.*)))
AnnaBridge 126:abea610beb85 98 KEEP(*(.init_array))
AnnaBridge 126:abea610beb85 99 PROVIDE_HIDDEN (__init_array_end = .);
AnnaBridge 126:abea610beb85 100
AnnaBridge 126:abea610beb85 101
AnnaBridge 126:abea610beb85 102 . = ALIGN(4);
AnnaBridge 126:abea610beb85 103 /* finit data */
AnnaBridge 126:abea610beb85 104 PROVIDE_HIDDEN (__fini_array_start = .);
AnnaBridge 126:abea610beb85 105 KEEP(*(SORT(.fini_array.*)))
AnnaBridge 126:abea610beb85 106 KEEP(*(.fini_array))
AnnaBridge 126:abea610beb85 107 PROVIDE_HIDDEN (__fini_array_end = .);
AnnaBridge 126:abea610beb85 108
AnnaBridge 126:abea610beb85 109 KEEP(*(.jcr*))
AnnaBridge 126:abea610beb85 110 . = ALIGN(4);
AnnaBridge 126:abea610beb85 111 /* All data end */
AnnaBridge 126:abea610beb85 112 __data_end__ = .;
AnnaBridge 126:abea610beb85 113 _edata = .;
AnnaBridge 126:abea610beb85 114
AnnaBridge 126:abea610beb85 115 } > RAM
AnnaBridge 126:abea610beb85 116
AnnaBridge 126:abea610beb85 117 .bss :
AnnaBridge 126:abea610beb85 118 {
AnnaBridge 126:abea610beb85 119 . = ALIGN(4);
AnnaBridge 126:abea610beb85 120 __bss_start__ = .;
AnnaBridge 126:abea610beb85 121 _sbss = .;
AnnaBridge 126:abea610beb85 122 *(.bss*)
AnnaBridge 126:abea610beb85 123 *(COMMON)
AnnaBridge 126:abea610beb85 124 . = ALIGN(4);
AnnaBridge 126:abea610beb85 125 __bss_end__ = .;
AnnaBridge 126:abea610beb85 126 _ebss = .;
AnnaBridge 126:abea610beb85 127 } > RAM
AnnaBridge 126:abea610beb85 128
AnnaBridge 126:abea610beb85 129 .heap (COPY):
AnnaBridge 126:abea610beb85 130 {
AnnaBridge 126:abea610beb85 131 __end__ = .;
AnnaBridge 126:abea610beb85 132 end = __end__;
AnnaBridge 126:abea610beb85 133 *(.heap*)
AnnaBridge 126:abea610beb85 134 __HeapLimit = .;
AnnaBridge 126:abea610beb85 135 } > RAM
AnnaBridge 126:abea610beb85 136
AnnaBridge 126:abea610beb85 137 /* .stack_dummy section doesn't contains any symbols. It is only
AnnaBridge 126:abea610beb85 138 * used for linker to calculate size of stack sections, and assign
AnnaBridge 126:abea610beb85 139 * values to stack symbols later */
AnnaBridge 126:abea610beb85 140 .stack_dummy (COPY):
AnnaBridge 126:abea610beb85 141 {
AnnaBridge 126:abea610beb85 142 *(.stack*)
AnnaBridge 126:abea610beb85 143 } > RAM
AnnaBridge 126:abea610beb85 144
AnnaBridge 126:abea610beb85 145 /* Set stack top to end of RAM, and stack limit move down by
AnnaBridge 126:abea610beb85 146 * size of stack_dummy section */
AnnaBridge 126:abea610beb85 147 __StackTop = ORIGIN(RAM) + LENGTH(RAM);
AnnaBridge 126:abea610beb85 148 _estack = __StackTop;
AnnaBridge 126:abea610beb85 149 __StackLimit = __StackTop - SIZEOF(.stack_dummy);
AnnaBridge 126:abea610beb85 150 PROVIDE(__stack = __StackTop);
AnnaBridge 126:abea610beb85 151
AnnaBridge 126:abea610beb85 152 /* Check if data + heap + stack exceeds RAM limit */
AnnaBridge 126:abea610beb85 153 ASSERT(__StackLimit >= __HeapLimit, "region RAM overflowed with stack")
AnnaBridge 126:abea610beb85 154 }
AnnaBridge 126:abea610beb85 155