The official Mbed 2 C/C++ SDK provides the software platform and libraries to build your applications.
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TARGET_NRF51_DONGLE_LEGACY/TOOLCHAIN_GCC_ARM/NRF51822.ld@140:97feb9bacc10, 2017-04-12 (annotated)
- Committer:
- <>
- Date:
- Wed Apr 12 16:07:08 2017 +0100
- Revision:
- 140:97feb9bacc10
- Parent:
- 128:9bcdf88f62b0
- Child:
- 171:3a7713b1edbc
Release 140 of the mbed library
Ports for Upcoming Targets
3841: Add nRf52840 target https://github.com/ARMmbed/mbed-os/pull/3841
3992: Introducing UBLOX_C030 platform. https://github.com/ARMmbed/mbed-os/pull/3992
Fixes and Changes
3951: [NUCLEO_F303ZE] Correct ARDUINO pin https://github.com/ARMmbed/mbed-os/pull/3951
4021: Fixing a macro to detect when RTOS was in use for the NRF52840_DK https://github.com/ARMmbed/mbed-os/pull/4021
3979: KW24D: Add missing SPI defines and Arduino connector definitions https://github.com/ARMmbed/mbed-os/pull/3979
3990: UBLOX_C027: construct a ticker-based wait, rather than calling wait_ms(), in the https://github.com/ARMmbed/mbed-os/pull/3990
4003: Fixed OBOE in async serial tx for NRF52 target, fixes #4002 https://github.com/ARMmbed/mbed-os/pull/4003
4012: STM32: Correct I2C master error handling https://github.com/ARMmbed/mbed-os/pull/4012
4020: NUCLEO_L011K4 remove unsupported tool chain files https://github.com/ARMmbed/mbed-os/pull/4020
4065: K66F: Move bss section to m_data_2 Section https://github.com/ARMmbed/mbed-os/pull/4065
4014: Issue 3763: Reduce heap allocation in the GCC linker file https://github.com/ARMmbed/mbed-os/pull/4014
4030: [STM32L0] reduce IAR heap and stack size for small targets https://github.com/ARMmbed/mbed-os/pull/4030
4109: NUCLEO_L476RG : minor serial pin update https://github.com/ARMmbed/mbed-os/pull/4109
3982: Ticker - kl25z bugfix for handling events in the past https://github.com/ARMmbed/mbed-os/pull/3982
Who changed what in which revision?
User | Revision | Line number | New contents of line |
---|---|---|---|
<> | 128:9bcdf88f62b0 | 1 | /* Linker script to configure memory regions. */ |
<> | 128:9bcdf88f62b0 | 2 | |
<> | 128:9bcdf88f62b0 | 3 | MEMORY |
<> | 128:9bcdf88f62b0 | 4 | { |
<> | 128:9bcdf88f62b0 | 5 | FLASH (rx) : ORIGIN = 0x0001C000, LENGTH = 0x24000 |
<> | 128:9bcdf88f62b0 | 6 | RAM (rwx) : ORIGIN = 0x20002800, LENGTH = 0x5800 |
<> | 128:9bcdf88f62b0 | 7 | } |
<> | 128:9bcdf88f62b0 | 8 | |
<> | 128:9bcdf88f62b0 | 9 | OUTPUT_FORMAT ("elf32-littlearm", "elf32-bigarm", "elf32-littlearm") |
<> | 128:9bcdf88f62b0 | 10 | |
<> | 128:9bcdf88f62b0 | 11 | /* Linker script to place sections and symbol values. Should be used together |
<> | 128:9bcdf88f62b0 | 12 | * with other linker script that defines memory regions FLASH and RAM. |
<> | 128:9bcdf88f62b0 | 13 | * It references following symbols, which must be defined in code: |
<> | 128:9bcdf88f62b0 | 14 | * Reset_Handler : Entry of reset handler |
<> | 128:9bcdf88f62b0 | 15 | * |
<> | 128:9bcdf88f62b0 | 16 | * It defines following symbols, which code can use without definition: |
<> | 128:9bcdf88f62b0 | 17 | * __exidx_start |
<> | 128:9bcdf88f62b0 | 18 | * __exidx_end |
<> | 128:9bcdf88f62b0 | 19 | * __etext |
<> | 128:9bcdf88f62b0 | 20 | * __data_start__ |
<> | 128:9bcdf88f62b0 | 21 | * __preinit_array_start |
<> | 128:9bcdf88f62b0 | 22 | * __preinit_array_end |
<> | 128:9bcdf88f62b0 | 23 | * __init_array_start |
<> | 128:9bcdf88f62b0 | 24 | * __init_array_end |
<> | 128:9bcdf88f62b0 | 25 | * __fini_array_start |
<> | 128:9bcdf88f62b0 | 26 | * __fini_array_end |
<> | 128:9bcdf88f62b0 | 27 | * __data_end__ |
<> | 128:9bcdf88f62b0 | 28 | * __bss_start__ |
<> | 128:9bcdf88f62b0 | 29 | * __bss_end__ |
<> | 128:9bcdf88f62b0 | 30 | * __end__ |
<> | 128:9bcdf88f62b0 | 31 | * end |
<> | 128:9bcdf88f62b0 | 32 | * __HeapLimit |
<> | 128:9bcdf88f62b0 | 33 | * __StackLimit |
<> | 128:9bcdf88f62b0 | 34 | * __StackTop |
<> | 128:9bcdf88f62b0 | 35 | * __stack |
<> | 128:9bcdf88f62b0 | 36 | */ |
<> | 128:9bcdf88f62b0 | 37 | ENTRY(Reset_Handler) |
<> | 128:9bcdf88f62b0 | 38 | |
<> | 128:9bcdf88f62b0 | 39 | SECTIONS |
<> | 128:9bcdf88f62b0 | 40 | { |
<> | 128:9bcdf88f62b0 | 41 | .text : |
<> | 128:9bcdf88f62b0 | 42 | { |
<> | 128:9bcdf88f62b0 | 43 | KEEP(*(.Vectors)) |
<> | 128:9bcdf88f62b0 | 44 | *(.text*) |
<> | 128:9bcdf88f62b0 | 45 | |
<> | 128:9bcdf88f62b0 | 46 | KEEP(*(.init)) |
<> | 128:9bcdf88f62b0 | 47 | KEEP(*(.fini)) |
<> | 128:9bcdf88f62b0 | 48 | |
<> | 128:9bcdf88f62b0 | 49 | /* .ctors */ |
<> | 128:9bcdf88f62b0 | 50 | *crtbegin.o(.ctors) |
<> | 128:9bcdf88f62b0 | 51 | *crtbegin?.o(.ctors) |
<> | 128:9bcdf88f62b0 | 52 | *(EXCLUDE_FILE(*crtend?.o *crtend.o) .ctors) |
<> | 128:9bcdf88f62b0 | 53 | *(SORT(.ctors.*)) |
<> | 128:9bcdf88f62b0 | 54 | *(.ctors) |
<> | 128:9bcdf88f62b0 | 55 | |
<> | 128:9bcdf88f62b0 | 56 | /* .dtors */ |
<> | 128:9bcdf88f62b0 | 57 | *crtbegin.o(.dtors) |
<> | 128:9bcdf88f62b0 | 58 | *crtbegin?.o(.dtors) |
<> | 128:9bcdf88f62b0 | 59 | *(EXCLUDE_FILE(*crtend?.o *crtend.o) .dtors) |
<> | 128:9bcdf88f62b0 | 60 | *(SORT(.dtors.*)) |
<> | 128:9bcdf88f62b0 | 61 | *(.dtors) |
<> | 128:9bcdf88f62b0 | 62 | |
<> | 128:9bcdf88f62b0 | 63 | *(.rodata*) |
<> | 128:9bcdf88f62b0 | 64 | |
<> | 128:9bcdf88f62b0 | 65 | KEEP(*(.eh_frame*)) |
<> | 128:9bcdf88f62b0 | 66 | } > FLASH |
<> | 128:9bcdf88f62b0 | 67 | |
<> | 128:9bcdf88f62b0 | 68 | |
<> | 128:9bcdf88f62b0 | 69 | .ARM.extab : |
<> | 128:9bcdf88f62b0 | 70 | { |
<> | 128:9bcdf88f62b0 | 71 | *(.ARM.extab* .gnu.linkonce.armextab.*) |
<> | 128:9bcdf88f62b0 | 72 | } > FLASH |
<> | 128:9bcdf88f62b0 | 73 | |
<> | 128:9bcdf88f62b0 | 74 | __exidx_start = .; |
<> | 128:9bcdf88f62b0 | 75 | .ARM.exidx : |
<> | 128:9bcdf88f62b0 | 76 | { |
<> | 128:9bcdf88f62b0 | 77 | *(.ARM.exidx* .gnu.linkonce.armexidx.*) |
<> | 128:9bcdf88f62b0 | 78 | } > FLASH |
<> | 128:9bcdf88f62b0 | 79 | __exidx_end = .; |
<> | 128:9bcdf88f62b0 | 80 | |
<> | 128:9bcdf88f62b0 | 81 | __etext = .; |
<> | 128:9bcdf88f62b0 | 82 | |
<> | 128:9bcdf88f62b0 | 83 | .data : AT (__etext) |
<> | 128:9bcdf88f62b0 | 84 | { |
<> | 128:9bcdf88f62b0 | 85 | __data_start__ = .; |
<> | 128:9bcdf88f62b0 | 86 | *(vtable) |
<> | 128:9bcdf88f62b0 | 87 | *(.data*) |
<> | 128:9bcdf88f62b0 | 88 | |
<> | 128:9bcdf88f62b0 | 89 | . = ALIGN(4); |
<> | 128:9bcdf88f62b0 | 90 | /* preinit data */ |
<> | 128:9bcdf88f62b0 | 91 | PROVIDE_HIDDEN (__preinit_array_start = .); |
<> | 128:9bcdf88f62b0 | 92 | KEEP(*(.preinit_array)) |
<> | 128:9bcdf88f62b0 | 93 | PROVIDE_HIDDEN (__preinit_array_end = .); |
<> | 128:9bcdf88f62b0 | 94 | |
<> | 128:9bcdf88f62b0 | 95 | . = ALIGN(4); |
<> | 128:9bcdf88f62b0 | 96 | /* init data */ |
<> | 128:9bcdf88f62b0 | 97 | PROVIDE_HIDDEN (__init_array_start = .); |
<> | 128:9bcdf88f62b0 | 98 | KEEP(*(SORT(.init_array.*))) |
<> | 128:9bcdf88f62b0 | 99 | KEEP(*(.init_array)) |
<> | 128:9bcdf88f62b0 | 100 | PROVIDE_HIDDEN (__init_array_end = .); |
<> | 128:9bcdf88f62b0 | 101 | |
<> | 128:9bcdf88f62b0 | 102 | |
<> | 128:9bcdf88f62b0 | 103 | . = ALIGN(4); |
<> | 128:9bcdf88f62b0 | 104 | /* finit data */ |
<> | 128:9bcdf88f62b0 | 105 | PROVIDE_HIDDEN (__fini_array_start = .); |
<> | 128:9bcdf88f62b0 | 106 | KEEP(*(SORT(.fini_array.*))) |
<> | 128:9bcdf88f62b0 | 107 | KEEP(*(.fini_array)) |
<> | 128:9bcdf88f62b0 | 108 | PROVIDE_HIDDEN (__fini_array_end = .); |
<> | 128:9bcdf88f62b0 | 109 | |
<> | 128:9bcdf88f62b0 | 110 | *(.jcr) |
<> | 128:9bcdf88f62b0 | 111 | . = ALIGN(4); |
<> | 128:9bcdf88f62b0 | 112 | /* All data end */ |
<> | 128:9bcdf88f62b0 | 113 | __data_end__ = .; |
<> | 128:9bcdf88f62b0 | 114 | |
<> | 128:9bcdf88f62b0 | 115 | } > RAM |
<> | 128:9bcdf88f62b0 | 116 | |
<> | 128:9bcdf88f62b0 | 117 | .bss : |
<> | 128:9bcdf88f62b0 | 118 | { |
<> | 128:9bcdf88f62b0 | 119 | . = ALIGN(4); |
<> | 128:9bcdf88f62b0 | 120 | __bss_start__ = .; |
<> | 128:9bcdf88f62b0 | 121 | *(.bss*) |
<> | 128:9bcdf88f62b0 | 122 | *(COMMON) |
<> | 128:9bcdf88f62b0 | 123 | . = ALIGN(4); |
<> | 128:9bcdf88f62b0 | 124 | __bss_end__ = .; |
<> | 128:9bcdf88f62b0 | 125 | } > RAM |
<> | 128:9bcdf88f62b0 | 126 | |
<> | 128:9bcdf88f62b0 | 127 | .heap (NOLOAD): |
<> | 128:9bcdf88f62b0 | 128 | { |
<> | 128:9bcdf88f62b0 | 129 | __end__ = .; |
<> | 128:9bcdf88f62b0 | 130 | end = __end__; |
<> | 128:9bcdf88f62b0 | 131 | __HeapBase = .; |
<> | 128:9bcdf88f62b0 | 132 | *(.heap*) |
<> | 128:9bcdf88f62b0 | 133 | . = ORIGIN(RAM) + LENGTH(RAM) - Stack_Size; |
<> | 128:9bcdf88f62b0 | 134 | __HeapLimit = .; |
<> | 128:9bcdf88f62b0 | 135 | } > RAM |
<> | 128:9bcdf88f62b0 | 136 | |
<> | 128:9bcdf88f62b0 | 137 | /* .stack_dummy section doesn't contains any symbols. It is only |
<> | 128:9bcdf88f62b0 | 138 | * used for linker to calculate size of stack sections, and assign |
<> | 128:9bcdf88f62b0 | 139 | * values to stack symbols later */ |
<> | 128:9bcdf88f62b0 | 140 | .stack_dummy (NOLOAD): |
<> | 128:9bcdf88f62b0 | 141 | { |
<> | 128:9bcdf88f62b0 | 142 | *(.stack*) |
<> | 128:9bcdf88f62b0 | 143 | } > RAM |
<> | 128:9bcdf88f62b0 | 144 | |
<> | 128:9bcdf88f62b0 | 145 | /* Set stack top to end of RAM, and stack limit move down by |
<> | 128:9bcdf88f62b0 | 146 | * size of stack_dummy section */ |
<> | 128:9bcdf88f62b0 | 147 | __StackTop = ORIGIN(RAM) + LENGTH(RAM); |
<> | 128:9bcdf88f62b0 | 148 | __StackLimit = __StackTop - SIZEOF(.stack_dummy); |
<> | 128:9bcdf88f62b0 | 149 | PROVIDE(__stack = __StackTop); |
<> | 128:9bcdf88f62b0 | 150 | |
<> | 128:9bcdf88f62b0 | 151 | /* Check if data + heap + stack exceeds RAM limit */ |
<> | 128:9bcdf88f62b0 | 152 | ASSERT(__StackLimit >= __HeapLimit, "region RAM overflowed with stack") |
<> | 128:9bcdf88f62b0 | 153 | } |