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mbed 2
This is the mbed 2 library. If you'd like to learn about Mbed OS please see the mbed-os docs.
TARGET_SAKURAIO_EVB_01/TOOLCHAIN_GCC_ARM/STM32F411XE.ld@159:7130f322cb7e, 2017-12-21 (annotated)
- Committer:
- mbed_official
- Date:
- Thu Dec 21 18:20:02 2017 +0000
- Revision:
- 159:7130f322cb7e
- Child:
- 167:84c0a372a020
mbed library version 157
Who changed what in which revision?
User | Revision | Line number | New contents of line |
---|---|---|---|
mbed_official | 159:7130f322cb7e | 1 | /* Linker script to configure memory regions. */ |
mbed_official | 159:7130f322cb7e | 2 | MEMORY |
mbed_official | 159:7130f322cb7e | 3 | { |
mbed_official | 159:7130f322cb7e | 4 | FLASH (rx) : ORIGIN = 0x08000000, LENGTH = 512K |
mbed_official | 159:7130f322cb7e | 5 | RAM (rwx) : ORIGIN = 0x20000198, LENGTH = 128k - 0x198 |
mbed_official | 159:7130f322cb7e | 6 | } |
mbed_official | 159:7130f322cb7e | 7 | |
mbed_official | 159:7130f322cb7e | 8 | /* Linker script to place sections and symbol values. Should be used together |
mbed_official | 159:7130f322cb7e | 9 | * with other linker script that defines memory regions FLASH and RAM. |
mbed_official | 159:7130f322cb7e | 10 | * It references following symbols, which must be defined in code: |
mbed_official | 159:7130f322cb7e | 11 | * Reset_Handler : Entry of reset handler |
mbed_official | 159:7130f322cb7e | 12 | * |
mbed_official | 159:7130f322cb7e | 13 | * It defines following symbols, which code can use without definition: |
mbed_official | 159:7130f322cb7e | 14 | * __exidx_start |
mbed_official | 159:7130f322cb7e | 15 | * __exidx_end |
mbed_official | 159:7130f322cb7e | 16 | * __etext |
mbed_official | 159:7130f322cb7e | 17 | * __data_start__ |
mbed_official | 159:7130f322cb7e | 18 | * __preinit_array_start |
mbed_official | 159:7130f322cb7e | 19 | * __preinit_array_end |
mbed_official | 159:7130f322cb7e | 20 | * __init_array_start |
mbed_official | 159:7130f322cb7e | 21 | * __init_array_end |
mbed_official | 159:7130f322cb7e | 22 | * __fini_array_start |
mbed_official | 159:7130f322cb7e | 23 | * __fini_array_end |
mbed_official | 159:7130f322cb7e | 24 | * __data_end__ |
mbed_official | 159:7130f322cb7e | 25 | * __bss_start__ |
mbed_official | 159:7130f322cb7e | 26 | * __bss_end__ |
mbed_official | 159:7130f322cb7e | 27 | * __end__ |
mbed_official | 159:7130f322cb7e | 28 | * end |
mbed_official | 159:7130f322cb7e | 29 | * __HeapLimit |
mbed_official | 159:7130f322cb7e | 30 | * __StackLimit |
mbed_official | 159:7130f322cb7e | 31 | * __StackTop |
mbed_official | 159:7130f322cb7e | 32 | * __stack |
mbed_official | 159:7130f322cb7e | 33 | * _estack |
mbed_official | 159:7130f322cb7e | 34 | */ |
mbed_official | 159:7130f322cb7e | 35 | ENTRY(Reset_Handler) |
mbed_official | 159:7130f322cb7e | 36 | |
mbed_official | 159:7130f322cb7e | 37 | SECTIONS |
mbed_official | 159:7130f322cb7e | 38 | { |
mbed_official | 159:7130f322cb7e | 39 | .text : |
mbed_official | 159:7130f322cb7e | 40 | { |
mbed_official | 159:7130f322cb7e | 41 | KEEP(*(.isr_vector)) |
mbed_official | 159:7130f322cb7e | 42 | *(.text*) |
mbed_official | 159:7130f322cb7e | 43 | KEEP(*(.init)) |
mbed_official | 159:7130f322cb7e | 44 | KEEP(*(.fini)) |
mbed_official | 159:7130f322cb7e | 45 | |
mbed_official | 159:7130f322cb7e | 46 | /* .ctors */ |
mbed_official | 159:7130f322cb7e | 47 | *crtbegin.o(.ctors) |
mbed_official | 159:7130f322cb7e | 48 | *crtbegin?.o(.ctors) |
mbed_official | 159:7130f322cb7e | 49 | *(EXCLUDE_FILE(*crtend?.o *crtend.o) .ctors) |
mbed_official | 159:7130f322cb7e | 50 | *(SORT(.ctors.*)) |
mbed_official | 159:7130f322cb7e | 51 | *(.ctors) |
mbed_official | 159:7130f322cb7e | 52 | |
mbed_official | 159:7130f322cb7e | 53 | /* .dtors */ |
mbed_official | 159:7130f322cb7e | 54 | *crtbegin.o(.dtors) |
mbed_official | 159:7130f322cb7e | 55 | *crtbegin?.o(.dtors) |
mbed_official | 159:7130f322cb7e | 56 | *(EXCLUDE_FILE(*crtend?.o *crtend.o) .dtors) |
mbed_official | 159:7130f322cb7e | 57 | *(SORT(.dtors.*)) |
mbed_official | 159:7130f322cb7e | 58 | *(.dtors) |
mbed_official | 159:7130f322cb7e | 59 | |
mbed_official | 159:7130f322cb7e | 60 | *(.rodata*) |
mbed_official | 159:7130f322cb7e | 61 | |
mbed_official | 159:7130f322cb7e | 62 | KEEP(*(.eh_frame*)) |
mbed_official | 159:7130f322cb7e | 63 | } > FLASH |
mbed_official | 159:7130f322cb7e | 64 | |
mbed_official | 159:7130f322cb7e | 65 | .ARM.extab : |
mbed_official | 159:7130f322cb7e | 66 | { |
mbed_official | 159:7130f322cb7e | 67 | *(.ARM.extab* .gnu.linkonce.armextab.*) |
mbed_official | 159:7130f322cb7e | 68 | } > FLASH |
mbed_official | 159:7130f322cb7e | 69 | |
mbed_official | 159:7130f322cb7e | 70 | __exidx_start = .; |
mbed_official | 159:7130f322cb7e | 71 | .ARM.exidx : |
mbed_official | 159:7130f322cb7e | 72 | { |
mbed_official | 159:7130f322cb7e | 73 | *(.ARM.exidx* .gnu.linkonce.armexidx.*) |
mbed_official | 159:7130f322cb7e | 74 | } > FLASH |
mbed_official | 159:7130f322cb7e | 75 | __exidx_end = .; |
mbed_official | 159:7130f322cb7e | 76 | |
mbed_official | 159:7130f322cb7e | 77 | __etext = .; |
mbed_official | 159:7130f322cb7e | 78 | _sidata = .; |
mbed_official | 159:7130f322cb7e | 79 | |
mbed_official | 159:7130f322cb7e | 80 | .data : AT (__etext) |
mbed_official | 159:7130f322cb7e | 81 | { |
mbed_official | 159:7130f322cb7e | 82 | __data_start__ = .; |
mbed_official | 159:7130f322cb7e | 83 | _sdata = .; |
mbed_official | 159:7130f322cb7e | 84 | *(vtable) |
mbed_official | 159:7130f322cb7e | 85 | *(.data*) |
mbed_official | 159:7130f322cb7e | 86 | |
mbed_official | 159:7130f322cb7e | 87 | . = ALIGN(4); |
mbed_official | 159:7130f322cb7e | 88 | /* preinit data */ |
mbed_official | 159:7130f322cb7e | 89 | PROVIDE_HIDDEN (__preinit_array_start = .); |
mbed_official | 159:7130f322cb7e | 90 | KEEP(*(.preinit_array)) |
mbed_official | 159:7130f322cb7e | 91 | PROVIDE_HIDDEN (__preinit_array_end = .); |
mbed_official | 159:7130f322cb7e | 92 | |
mbed_official | 159:7130f322cb7e | 93 | . = ALIGN(4); |
mbed_official | 159:7130f322cb7e | 94 | /* init data */ |
mbed_official | 159:7130f322cb7e | 95 | PROVIDE_HIDDEN (__init_array_start = .); |
mbed_official | 159:7130f322cb7e | 96 | KEEP(*(SORT(.init_array.*))) |
mbed_official | 159:7130f322cb7e | 97 | KEEP(*(.init_array)) |
mbed_official | 159:7130f322cb7e | 98 | PROVIDE_HIDDEN (__init_array_end = .); |
mbed_official | 159:7130f322cb7e | 99 | |
mbed_official | 159:7130f322cb7e | 100 | |
mbed_official | 159:7130f322cb7e | 101 | . = ALIGN(4); |
mbed_official | 159:7130f322cb7e | 102 | /* finit data */ |
mbed_official | 159:7130f322cb7e | 103 | PROVIDE_HIDDEN (__fini_array_start = .); |
mbed_official | 159:7130f322cb7e | 104 | KEEP(*(SORT(.fini_array.*))) |
mbed_official | 159:7130f322cb7e | 105 | KEEP(*(.fini_array)) |
mbed_official | 159:7130f322cb7e | 106 | PROVIDE_HIDDEN (__fini_array_end = .); |
mbed_official | 159:7130f322cb7e | 107 | |
mbed_official | 159:7130f322cb7e | 108 | KEEP(*(.jcr*)) |
mbed_official | 159:7130f322cb7e | 109 | . = ALIGN(4); |
mbed_official | 159:7130f322cb7e | 110 | /* All data end */ |
mbed_official | 159:7130f322cb7e | 111 | __data_end__ = .; |
mbed_official | 159:7130f322cb7e | 112 | _edata = .; |
mbed_official | 159:7130f322cb7e | 113 | |
mbed_official | 159:7130f322cb7e | 114 | } > RAM |
mbed_official | 159:7130f322cb7e | 115 | |
mbed_official | 159:7130f322cb7e | 116 | .bss : |
mbed_official | 159:7130f322cb7e | 117 | { |
mbed_official | 159:7130f322cb7e | 118 | . = ALIGN(4); |
mbed_official | 159:7130f322cb7e | 119 | __bss_start__ = .; |
mbed_official | 159:7130f322cb7e | 120 | _sbss = .; |
mbed_official | 159:7130f322cb7e | 121 | *(.bss*) |
mbed_official | 159:7130f322cb7e | 122 | *(COMMON) |
mbed_official | 159:7130f322cb7e | 123 | . = ALIGN(4); |
mbed_official | 159:7130f322cb7e | 124 | __bss_end__ = .; |
mbed_official | 159:7130f322cb7e | 125 | _ebss = .; |
mbed_official | 159:7130f322cb7e | 126 | } > RAM |
mbed_official | 159:7130f322cb7e | 127 | |
mbed_official | 159:7130f322cb7e | 128 | .heap (COPY): |
mbed_official | 159:7130f322cb7e | 129 | { |
mbed_official | 159:7130f322cb7e | 130 | __end__ = .; |
mbed_official | 159:7130f322cb7e | 131 | end = __end__; |
mbed_official | 159:7130f322cb7e | 132 | *(.heap*) |
mbed_official | 159:7130f322cb7e | 133 | __HeapLimit = .; |
mbed_official | 159:7130f322cb7e | 134 | } > RAM |
mbed_official | 159:7130f322cb7e | 135 | |
mbed_official | 159:7130f322cb7e | 136 | /* .stack_dummy section doesn't contains any symbols. It is only |
mbed_official | 159:7130f322cb7e | 137 | * used for linker to calculate size of stack sections, and assign |
mbed_official | 159:7130f322cb7e | 138 | * values to stack symbols later */ |
mbed_official | 159:7130f322cb7e | 139 | .stack_dummy (COPY): |
mbed_official | 159:7130f322cb7e | 140 | { |
mbed_official | 159:7130f322cb7e | 141 | *(.stack*) |
mbed_official | 159:7130f322cb7e | 142 | } > RAM |
mbed_official | 159:7130f322cb7e | 143 | |
mbed_official | 159:7130f322cb7e | 144 | /* Set stack top to end of RAM, and stack limit move down by |
mbed_official | 159:7130f322cb7e | 145 | * size of stack_dummy section */ |
mbed_official | 159:7130f322cb7e | 146 | __StackTop = ORIGIN(RAM) + LENGTH(RAM); |
mbed_official | 159:7130f322cb7e | 147 | _estack = __StackTop; |
mbed_official | 159:7130f322cb7e | 148 | __StackLimit = __StackTop - SIZEOF(.stack_dummy); |
mbed_official | 159:7130f322cb7e | 149 | PROVIDE(__stack = __StackTop); |
mbed_official | 159:7130f322cb7e | 150 | |
mbed_official | 159:7130f322cb7e | 151 | /* Check if data + heap + stack exceeds RAM limit */ |
mbed_official | 159:7130f322cb7e | 152 | ASSERT(__StackLimit >= __HeapLimit, "region RAM overflowed with stack") |
mbed_official | 159:7130f322cb7e | 153 | } |