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_F303VC/TOOLCHAIN_GCC_ARM/STM32F303XC.ld@163:e59c8e839560, 2018-03-20 (annotated)

Committer:
AnnaBridge
Date:
Tue Mar 20 13:30:58 2018 +0000
Revision:
163:e59c8e839560
Child:
171:3a7713b1edbc
mbed library. Release version 160

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 = 256K
AnnaBridge 163:e59c8e839560 5 CCM (rwx) : ORIGIN = 0x10000000, LENGTH = 8K
AnnaBridge 163:e59c8e839560 6 RAM (rwx) : ORIGIN = 0x20000188, LENGTH = 40k - 0x188
AnnaBridge 163:e59c8e839560 7 }
AnnaBridge 163:e59c8e839560 8
AnnaBridge 163:e59c8e839560 9 /* Linker script to place sections and symbol values. Should be used together
AnnaBridge 163:e59c8e839560 10 * with other linker script that defines memory regions FLASH and RAM.
AnnaBridge 163:e59c8e839560 11 * It references following symbols, which must be defined in code:
AnnaBridge 163:e59c8e839560 12 * Reset_Handler : Entry of reset handler
AnnaBridge 163:e59c8e839560 13 *
AnnaBridge 163:e59c8e839560 14 * It defines following symbols, which code can use without definition:
AnnaBridge 163:e59c8e839560 15 * __exidx_start
AnnaBridge 163:e59c8e839560 16 * __exidx_end
AnnaBridge 163:e59c8e839560 17 * __etext
AnnaBridge 163:e59c8e839560 18 * __data_start__
AnnaBridge 163:e59c8e839560 19 * __preinit_array_start
AnnaBridge 163:e59c8e839560 20 * __preinit_array_end
AnnaBridge 163:e59c8e839560 21 * __init_array_start
AnnaBridge 163:e59c8e839560 22 * __init_array_end
AnnaBridge 163:e59c8e839560 23 * __fini_array_start
AnnaBridge 163:e59c8e839560 24 * __fini_array_end
AnnaBridge 163:e59c8e839560 25 * __data_end__
AnnaBridge 163:e59c8e839560 26 * __bss_start__
AnnaBridge 163:e59c8e839560 27 * __bss_end__
AnnaBridge 163:e59c8e839560 28 * __end__
AnnaBridge 163:e59c8e839560 29 * end
AnnaBridge 163:e59c8e839560 30 * __HeapLimit
AnnaBridge 163:e59c8e839560 31 * __StackLimit
AnnaBridge 163:e59c8e839560 32 * __StackTop
AnnaBridge 163:e59c8e839560 33 * __stack
AnnaBridge 163:e59c8e839560 34 * _estack
AnnaBridge 163:e59c8e839560 35 */
AnnaBridge 163:e59c8e839560 36 ENTRY(Reset_Handler)
AnnaBridge 163:e59c8e839560 37
AnnaBridge 163:e59c8e839560 38 SECTIONS
AnnaBridge 163:e59c8e839560 39 {
AnnaBridge 163:e59c8e839560 40 .text :
AnnaBridge 163:e59c8e839560 41 {
AnnaBridge 163:e59c8e839560 42 KEEP(*(.isr_vector))
AnnaBridge 163:e59c8e839560 43 *(.text*)
AnnaBridge 163:e59c8e839560 44 KEEP(*(.init))
AnnaBridge 163:e59c8e839560 45 KEEP(*(.fini))
AnnaBridge 163:e59c8e839560 46
AnnaBridge 163:e59c8e839560 47 /* .ctors */
AnnaBridge 163:e59c8e839560 48 *crtbegin.o(.ctors)
AnnaBridge 163:e59c8e839560 49 *crtbegin?.o(.ctors)
AnnaBridge 163:e59c8e839560 50 *(EXCLUDE_FILE(*crtend?.o *crtend.o) .ctors)
AnnaBridge 163:e59c8e839560 51 *(SORT(.ctors.*))
AnnaBridge 163:e59c8e839560 52 *(.ctors)
AnnaBridge 163:e59c8e839560 53
AnnaBridge 163:e59c8e839560 54 /* .dtors */
AnnaBridge 163:e59c8e839560 55 *crtbegin.o(.dtors)
AnnaBridge 163:e59c8e839560 56 *crtbegin?.o(.dtors)
AnnaBridge 163:e59c8e839560 57 *(EXCLUDE_FILE(*crtend?.o *crtend.o) .dtors)
AnnaBridge 163:e59c8e839560 58 *(SORT(.dtors.*))
AnnaBridge 163:e59c8e839560 59 *(.dtors)
AnnaBridge 163:e59c8e839560 60
AnnaBridge 163:e59c8e839560 61 *(.rodata*)
AnnaBridge 163:e59c8e839560 62
AnnaBridge 163:e59c8e839560 63 KEEP(*(.eh_frame*))
AnnaBridge 163:e59c8e839560 64 } > FLASH
AnnaBridge 163:e59c8e839560 65
AnnaBridge 163:e59c8e839560 66 .ARM.extab :
AnnaBridge 163:e59c8e839560 67 {
AnnaBridge 163:e59c8e839560 68 *(.ARM.extab* .gnu.linkonce.armextab.*)
AnnaBridge 163:e59c8e839560 69 } > FLASH
AnnaBridge 163:e59c8e839560 70
AnnaBridge 163:e59c8e839560 71 __exidx_start = .;
AnnaBridge 163:e59c8e839560 72 .ARM.exidx :
AnnaBridge 163:e59c8e839560 73 {
AnnaBridge 163:e59c8e839560 74 *(.ARM.exidx* .gnu.linkonce.armexidx.*)
AnnaBridge 163:e59c8e839560 75 } > FLASH
AnnaBridge 163:e59c8e839560 76 __exidx_end = .;
AnnaBridge 163:e59c8e839560 77
AnnaBridge 163:e59c8e839560 78 __etext = .;
AnnaBridge 163:e59c8e839560 79 _sidata = .;
AnnaBridge 163:e59c8e839560 80
AnnaBridge 163:e59c8e839560 81 .data : AT (__etext)
AnnaBridge 163:e59c8e839560 82 {
AnnaBridge 163:e59c8e839560 83 __data_start__ = .;
AnnaBridge 163:e59c8e839560 84 _sdata = .;
AnnaBridge 163:e59c8e839560 85 *(vtable)
AnnaBridge 163:e59c8e839560 86 *(.data*)
AnnaBridge 163:e59c8e839560 87
AnnaBridge 163:e59c8e839560 88 . = ALIGN(4);
AnnaBridge 163:e59c8e839560 89 /* preinit data */
AnnaBridge 163:e59c8e839560 90 PROVIDE_HIDDEN (__preinit_array_start = .);
AnnaBridge 163:e59c8e839560 91 KEEP(*(.preinit_array))
AnnaBridge 163:e59c8e839560 92 PROVIDE_HIDDEN (__preinit_array_end = .);
AnnaBridge 163:e59c8e839560 93
AnnaBridge 163:e59c8e839560 94 . = ALIGN(4);
AnnaBridge 163:e59c8e839560 95 /* init data */
AnnaBridge 163:e59c8e839560 96 PROVIDE_HIDDEN (__init_array_start = .);
AnnaBridge 163:e59c8e839560 97 KEEP(*(SORT(.init_array.*)))
AnnaBridge 163:e59c8e839560 98 KEEP(*(.init_array))
AnnaBridge 163:e59c8e839560 99 PROVIDE_HIDDEN (__init_array_end = .);
AnnaBridge 163:e59c8e839560 100
AnnaBridge 163:e59c8e839560 101
AnnaBridge 163:e59c8e839560 102 . = ALIGN(4);
AnnaBridge 163:e59c8e839560 103 /* finit data */
AnnaBridge 163:e59c8e839560 104 PROVIDE_HIDDEN (__fini_array_start = .);
AnnaBridge 163:e59c8e839560 105 KEEP(*(SORT(.fini_array.*)))
AnnaBridge 163:e59c8e839560 106 KEEP(*(.fini_array))
AnnaBridge 163:e59c8e839560 107 PROVIDE_HIDDEN (__fini_array_end = .);
AnnaBridge 163:e59c8e839560 108
AnnaBridge 163:e59c8e839560 109 KEEP(*(.jcr*))
AnnaBridge 163:e59c8e839560 110 . = ALIGN(4);
AnnaBridge 163:e59c8e839560 111 /* All data end */
AnnaBridge 163:e59c8e839560 112 __data_end__ = .;
AnnaBridge 163:e59c8e839560 113 _edata = .;
AnnaBridge 163:e59c8e839560 114
AnnaBridge 163:e59c8e839560 115 } > RAM
AnnaBridge 163:e59c8e839560 116
AnnaBridge 163:e59c8e839560 117 .bss :
AnnaBridge 163:e59c8e839560 118 {
AnnaBridge 163:e59c8e839560 119 . = ALIGN(4);
AnnaBridge 163:e59c8e839560 120 __bss_start__ = .;
AnnaBridge 163:e59c8e839560 121 _sbss = .;
AnnaBridge 163:e59c8e839560 122 *(.bss*)
AnnaBridge 163:e59c8e839560 123 *(COMMON)
AnnaBridge 163:e59c8e839560 124 . = ALIGN(4);
AnnaBridge 163:e59c8e839560 125 __bss_end__ = .;
AnnaBridge 163:e59c8e839560 126 _ebss = .;
AnnaBridge 163:e59c8e839560 127 } > RAM
AnnaBridge 163:e59c8e839560 128
AnnaBridge 163:e59c8e839560 129 .heap (COPY):
AnnaBridge 163:e59c8e839560 130 {
AnnaBridge 163:e59c8e839560 131 __end__ = .;
AnnaBridge 163:e59c8e839560 132 end = __end__;
AnnaBridge 163:e59c8e839560 133 *(.heap*)
AnnaBridge 163:e59c8e839560 134 __HeapLimit = .;
AnnaBridge 163:e59c8e839560 135 } > RAM
AnnaBridge 163:e59c8e839560 136
AnnaBridge 163:e59c8e839560 137 /* .stack_dummy section doesn't contains any symbols. It is only
AnnaBridge 163:e59c8e839560 138 * used for linker to calculate size of stack sections, and assign
AnnaBridge 163:e59c8e839560 139 * values to stack symbols later */
AnnaBridge 163:e59c8e839560 140 .stack_dummy (COPY):
AnnaBridge 163:e59c8e839560 141 {
AnnaBridge 163:e59c8e839560 142 *(.stack*)
AnnaBridge 163:e59c8e839560 143 } > RAM
AnnaBridge 163:e59c8e839560 144
AnnaBridge 163:e59c8e839560 145 /* Set stack top to end of RAM, and stack limit move down by
AnnaBridge 163:e59c8e839560 146 * size of stack_dummy section */
AnnaBridge 163:e59c8e839560 147 __StackTop = ORIGIN(RAM) + LENGTH(RAM);
AnnaBridge 163:e59c8e839560 148 _estack = __StackTop;
AnnaBridge 163:e59c8e839560 149 __StackLimit = __StackTop - SIZEOF(.stack_dummy);
AnnaBridge 163:e59c8e839560 150 PROVIDE(__stack = __StackTop);
AnnaBridge 163:e59c8e839560 151
AnnaBridge 163:e59c8e839560 152 /* Check if data + heap + stack exceeds RAM limit */
AnnaBridge 163:e59c8e839560 153 ASSERT(__StackLimit >= __HeapLimit, "region RAM overflowed with stack")
AnnaBridge 163:e59c8e839560 154 }
AnnaBridge 163:e59c8e839560 155