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The official Mbed 2 C/C++ SDK provides the software platform and libraries to build your applications.

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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_UBLOX_EVA_NINA/TOOLCHAIN_GCC_ARM/NRF52832.ld@151:675da3299148, 2017-09-15 (annotated)

Committer:
AnnaBridge
Date:
Fri Sep 15 14:46:57 2017 +0100
Revision:
151:675da3299148
Parent:
132:9baf128c2fab 
Release 151 of the mbed library.

Who changed what in which revision?

UserRevisionLine numberNew contents of line
<> 132:9baf128c2fab 1 /*
<> 132:9baf128c2fab 2 * Copyright (c) 2015 ARM Limited
<> 132:9baf128c2fab 3 *
<> 132:9baf128c2fab 4 * Licensed under the Apache License, Version 2.0 (the "License");
<> 132:9baf128c2fab 5 * you may not use this file except in compliance with the License.
<> 132:9baf128c2fab 6 * You may obtain a copy of the License at
<> 132:9baf128c2fab 7 *
<> 132:9baf128c2fab 8 * http://www.apache.org/licenses/LICENSE-2.0
<> 132:9baf128c2fab 9 *
<> 132:9baf128c2fab 10 * Unless required by applicable law or agreed to in writing, software
<> 132:9baf128c2fab 11 * distributed under the License is distributed on an "AS IS" BASIS,
<> 132:9baf128c2fab 12 * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
<> 132:9baf128c2fab 13 * See the License for the specific language governing permissions and
<> 132:9baf128c2fab 14 * limitations under the License.
<> 132:9baf128c2fab 15 */
<> 132:9baf128c2fab 16
<> 132:9baf128c2fab 17 /* Linker script to configure memory regions. */
<> 132:9baf128c2fab 18
<> 132:9baf128c2fab 19 MEMORY
<> 132:9baf128c2fab 20 {
<> 132:9baf128c2fab 21 FLASH (rx) : ORIGIN = 0x1C000, LENGTH = 0x64000
<> 132:9baf128c2fab 22 RAM (rwx) : ORIGIN = 0x20002ef8, LENGTH = 0xd108
<> 132:9baf128c2fab 23 }
<> 132:9baf128c2fab 24
<> 132:9baf128c2fab 25
<> 132:9baf128c2fab 26 OUTPUT_FORMAT ("elf32-littlearm", "elf32-bigarm", "elf32-littlearm")
<> 132:9baf128c2fab 27
<> 132:9baf128c2fab 28 /* Linker script to place sections and symbol values. Should be used together
<> 132:9baf128c2fab 29 * with the other linker script that defines memory regions FLASH and RAM.
<> 132:9baf128c2fab 30 * It references the following symbols that must be defined in code:
<> 132:9baf128c2fab 31 * Reset_Handler : Entry of reset handler
<> 132:9baf128c2fab 32 *
<> 132:9baf128c2fab 33 * It defines the following symbols that the code can use without definition:
<> 132:9baf128c2fab 34 * __exidx_start
<> 132:9baf128c2fab 35 * __exidx_end
<> 132:9baf128c2fab 36 * __etext
<> 132:9baf128c2fab 37 * __data_start__
<> 132:9baf128c2fab 38 * __preinit_array_start
<> 132:9baf128c2fab 39 * __preinit_array_end
<> 132:9baf128c2fab 40 * __init_array_start
<> 132:9baf128c2fab 41 * __init_array_end
<> 132:9baf128c2fab 42 * __fini_array_start
<> 132:9baf128c2fab 43 * __fini_array_end
<> 132:9baf128c2fab 44 * __data_end__
<> 132:9baf128c2fab 45 * __bss_start__
<> 132:9baf128c2fab 46 * __bss_end__
<> 132:9baf128c2fab 47 * __end__
<> 132:9baf128c2fab 48 * end
<> 132:9baf128c2fab 49 * __HeapLimit
<> 132:9baf128c2fab 50 * __StackLimit
<> 132:9baf128c2fab 51 * __StackTop
<> 132:9baf128c2fab 52 * __stack
<> 132:9baf128c2fab 53 */
<> 132:9baf128c2fab 54 ENTRY(Reset_Handler)
<> 132:9baf128c2fab 55
<> 132:9baf128c2fab 56
<> 132:9baf128c2fab 57 SECTIONS
<> 132:9baf128c2fab 58 {
<> 132:9baf128c2fab 59 .text :
<> 132:9baf128c2fab 60 {
<> 132:9baf128c2fab 61 KEEP(*(.Vectors))
<> 132:9baf128c2fab 62 *(.text*)
<> 132:9baf128c2fab 63
<> 132:9baf128c2fab 64 KEEP(*(.init))
<> 132:9baf128c2fab 65 KEEP(*(.fini))
<> 132:9baf128c2fab 66
<> 132:9baf128c2fab 67 /* .ctors */
<> 132:9baf128c2fab 68 *crtbegin.o(.ctors)
<> 132:9baf128c2fab 69 *crtbegin?.o(.ctors)
<> 132:9baf128c2fab 70 *(EXCLUDE_FILE(*crtend?.o *crtend.o) .ctors)
<> 132:9baf128c2fab 71 *(SORT(.ctors.*))
<> 132:9baf128c2fab 72 *(.ctors)
<> 132:9baf128c2fab 73
<> 132:9baf128c2fab 74 /* .dtors */
<> 132:9baf128c2fab 75 *crtbegin.o(.dtors)
<> 132:9baf128c2fab 76 *crtbegin?.o(.dtors)
<> 132:9baf128c2fab 77 *(EXCLUDE_FILE(*crtend?.o *crtend.o) .dtors)
<> 132:9baf128c2fab 78 *(SORT(.dtors.*))
<> 132:9baf128c2fab 79 *(.dtors)
<> 132:9baf128c2fab 80
<> 132:9baf128c2fab 81 *(.rodata*)
<> 132:9baf128c2fab 82
<> 132:9baf128c2fab 83 KEEP(*(.eh_frame*))
<> 132:9baf128c2fab 84 } > FLASH
<> 132:9baf128c2fab 85
<> 132:9baf128c2fab 86 .ARM.extab :
<> 132:9baf128c2fab 87 {
<> 132:9baf128c2fab 88 *(.ARM.extab* .gnu.linkonce.armextab.*)
<> 132:9baf128c2fab 89 . = ALIGN(4);
<> 132:9baf128c2fab 90 } > FLASH
<> 132:9baf128c2fab 91
<> 132:9baf128c2fab 92 __exidx_start = .;
<> 132:9baf128c2fab 93 .ARM.exidx :
<> 132:9baf128c2fab 94 {
<> 132:9baf128c2fab 95 *(.ARM.exidx* .gnu.linkonce.armexidx.*)
<> 132:9baf128c2fab 96 . = ALIGN(4);
<> 132:9baf128c2fab 97 } > FLASH
<> 132:9baf128c2fab 98 __exidx_end = .;
<> 132:9baf128c2fab 99
<> 132:9baf128c2fab 100 __etext = .;
<> 132:9baf128c2fab 101
<> 132:9baf128c2fab 102 .data : AT (__etext)
<> 132:9baf128c2fab 103 {
<> 132:9baf128c2fab 104 __data_start__ = .;
<> 132:9baf128c2fab 105 *(vtable)
<> 132:9baf128c2fab 106 *(.data*)
<> 132:9baf128c2fab 107
<> 132:9baf128c2fab 108 . = ALIGN(4);
<> 132:9baf128c2fab 109 /* preinit data */
<> 132:9baf128c2fab 110 PROVIDE_HIDDEN (__preinit_array_start = .);
<> 132:9baf128c2fab 111 KEEP(*(.preinit_array))
<> 132:9baf128c2fab 112 PROVIDE_HIDDEN (__preinit_array_end = .);
<> 132:9baf128c2fab 113
<> 132:9baf128c2fab 114 . = ALIGN(4);
<> 132:9baf128c2fab 115 /* init data */
<> 132:9baf128c2fab 116 PROVIDE_HIDDEN (__init_array_start = .);
<> 132:9baf128c2fab 117 KEEP(*(SORT(.init_array.*)))
<> 132:9baf128c2fab 118 KEEP(*(.init_array))
<> 132:9baf128c2fab 119 PROVIDE_HIDDEN (__init_array_end = .);
<> 132:9baf128c2fab 120
<> 132:9baf128c2fab 121
<> 132:9baf128c2fab 122 . = ALIGN(4);
<> 132:9baf128c2fab 123 /* finit data */
<> 132:9baf128c2fab 124 PROVIDE_HIDDEN (__fini_array_start = .);
<> 132:9baf128c2fab 125 KEEP(*(SORT(.fini_array.*)))
<> 132:9baf128c2fab 126 KEEP(*(.fini_array))
<> 132:9baf128c2fab 127 PROVIDE_HIDDEN (__fini_array_end = .);
<> 132:9baf128c2fab 128
<> 132:9baf128c2fab 129 . = ALIGN(4);
<> 132:9baf128c2fab 130 PROVIDE(__start_fs_data = .);
<> 132:9baf128c2fab 131 KEEP(*(.fs_data))
<> 132:9baf128c2fab 132 PROVIDE(__stop_fs_data = .);
<> 132:9baf128c2fab 133
<> 132:9baf128c2fab 134 *(.jcr)
<> 132:9baf128c2fab 135 . = ALIGN(4);
<> 132:9baf128c2fab 136 /* All data end */
<> 132:9baf128c2fab 137 __data_end__ = .;
<> 132:9baf128c2fab 138
<> 132:9baf128c2fab 139 } > RAM
<> 132:9baf128c2fab 140
<> 132:9baf128c2fab 141 __edata = .;
<> 132:9baf128c2fab 142
<> 132:9baf128c2fab 143 .noinit :
<> 132:9baf128c2fab 144 {
<> 132:9baf128c2fab 145 PROVIDE(__start_noinit = .);
<> 132:9baf128c2fab 146 KEEP(*(.noinit))
<> 132:9baf128c2fab 147 PROVIDE(__stop_noinit = .);
<> 132:9baf128c2fab 148 } > RAM
<> 132:9baf128c2fab 149
<> 132:9baf128c2fab 150 .bss :
<> 132:9baf128c2fab 151 {
<> 132:9baf128c2fab 152 . = ALIGN(4);
<> 132:9baf128c2fab 153 __bss_start__ = .;
<> 132:9baf128c2fab 154 *(.bss*)
<> 132:9baf128c2fab 155 *(COMMON)
<> 132:9baf128c2fab 156 . = ALIGN(4);
<> 132:9baf128c2fab 157 __bss_end__ = .;
<> 132:9baf128c2fab 158 } > RAM
<> 132:9baf128c2fab 159
<> 132:9baf128c2fab 160 .heap (NOLOAD):
<> 132:9baf128c2fab 161 {
<> 132:9baf128c2fab 162 __end__ = .;
<> 132:9baf128c2fab 163 end = __end__;
<> 132:9baf128c2fab 164 *(.heap*);
<> 132:9baf128c2fab 165
<> 132:9baf128c2fab 166 /* Expand the heap to reach the stack boundary. */
<> 132:9baf128c2fab 167 ASSERT(. <= (ORIGIN(RAM) + LENGTH(RAM) - 0x800), "heap region overflowed into stack");
<> 132:9baf128c2fab 168 . += (ORIGIN(RAM) + LENGTH(RAM) - 0x800) - .;
<> 132:9baf128c2fab 169 } > RAM
<> 132:9baf128c2fab 170 PROVIDE(__heap_start = ADDR(.heap));
<> 132:9baf128c2fab 171 PROVIDE(__heap_size = SIZEOF(.heap));
<> 132:9baf128c2fab 172 PROVIDE(__mbed_sbrk_start = ADDR(.heap));
<> 132:9baf128c2fab 173 PROVIDE(__mbed_krbs_start = ADDR(.heap) + SIZEOF(.heap));
<> 132:9baf128c2fab 174
<> 132:9baf128c2fab 175 /* .stack_dummy section does not contain any symbols. It is only
<> 132:9baf128c2fab 176 * used for the linker script to calculate the size of stack sections
<> 132:9baf128c2fab 177 * and assign values to stack symbols later. */
<> 132:9baf128c2fab 178 .stack (NOLOAD):
<> 132:9baf128c2fab 179 {
<> 132:9baf128c2fab 180 __StackLimit = .;
<> 132:9baf128c2fab 181 *(.stack*)
<> 132:9baf128c2fab 182 . += (ORIGIN(RAM) + LENGTH(RAM) - .);
<> 132:9baf128c2fab 183 } > RAM
<> 132:9baf128c2fab 184
<> 132:9baf128c2fab 185 /* Set the stack top to the end of RAM and move down the stack limit by
<> 132:9baf128c2fab 186 * the size of the stack_dummy section. */
<> 132:9baf128c2fab 187 __StackTop = ORIGIN(RAM) + LENGTH(RAM);
<> 132:9baf128c2fab 188 __StackLimit = __StackTop - SIZEOF(.stack);
<> 132:9baf128c2fab 189 PROVIDE(__stack = __StackTop);
<> 132:9baf128c2fab 190 }