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_VBLUNO52/TOOLCHAIN_GCC_ARM/NRF52832.ld@160:5571c4ff569f, 2018-01-17 (annotated)

Committer:
Anna Bridge
Date:
Wed Jan 17 16:13:02 2018 +0000
Revision:
160:5571c4ff569f
Parent:
148:fd96258d940d 
mbed library. Release version 158

Who changed what in which revision?

UserRevisionLine numberNew contents of line
Kojto 148:fd96258d940d 1 /*
Kojto 148:fd96258d940d 2 * Copyright (c) 2015 ARM Limited
Kojto 148:fd96258d940d 3 *
Kojto 148:fd96258d940d 4 * Licensed under the Apache License, Version 2.0 (the "License");
Kojto 148:fd96258d940d 5 * you may not use this file except in compliance with the License.
Kojto 148:fd96258d940d 6 * You may obtain a copy of the License at
Kojto 148:fd96258d940d 7 *
Kojto 148:fd96258d940d 8 * http://www.apache.org/licenses/LICENSE-2.0
Kojto 148:fd96258d940d 9 *
Kojto 148:fd96258d940d 10 * Unless required by applicable law or agreed to in writing, software
Kojto 148:fd96258d940d 11 * distributed under the License is distributed on an "AS IS" BASIS,
Kojto 148:fd96258d940d 12 * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
Kojto 148:fd96258d940d 13 * See the License for the specific language governing permissions and
Kojto 148:fd96258d940d 14 * limitations under the License.
Kojto 148:fd96258d940d 15 */
Kojto 148:fd96258d940d 16
Kojto 148:fd96258d940d 17 /* Linker script to configure memory regions. */
Kojto 148:fd96258d940d 18
Kojto 148:fd96258d940d 19 MEMORY
Kojto 148:fd96258d940d 20 {
Kojto 148:fd96258d940d 21 FLASH (rx) : ORIGIN = 0x1C000, LENGTH = 0x64000
Kojto 148:fd96258d940d 22 RAM (rwx) : ORIGIN = 0x20002ef8, LENGTH = 0xd108
Kojto 148:fd96258d940d 23 }
Kojto 148:fd96258d940d 24
Kojto 148:fd96258d940d 25
Kojto 148:fd96258d940d 26 OUTPUT_FORMAT ("elf32-littlearm", "elf32-bigarm", "elf32-littlearm")
Kojto 148:fd96258d940d 27
Kojto 148:fd96258d940d 28 /* Linker script to place sections and symbol values. Should be used together
Kojto 148:fd96258d940d 29 * with the other linker script that defines memory regions FLASH and RAM.
Kojto 148:fd96258d940d 30 * It references the following symbols that must be defined in code:
Kojto 148:fd96258d940d 31 * Reset_Handler : Entry of reset handler
Kojto 148:fd96258d940d 32 *
Kojto 148:fd96258d940d 33 * It defines the following symbols that the code can use without definition:
Kojto 148:fd96258d940d 34 * __exidx_start
Kojto 148:fd96258d940d 35 * __exidx_end
Kojto 148:fd96258d940d 36 * __etext
Kojto 148:fd96258d940d 37 * __data_start__
Kojto 148:fd96258d940d 38 * __preinit_array_start
Kojto 148:fd96258d940d 39 * __preinit_array_end
Kojto 148:fd96258d940d 40 * __init_array_start
Kojto 148:fd96258d940d 41 * __init_array_end
Kojto 148:fd96258d940d 42 * __fini_array_start
Kojto 148:fd96258d940d 43 * __fini_array_end
Kojto 148:fd96258d940d 44 * __data_end__
Kojto 148:fd96258d940d 45 * __bss_start__
Kojto 148:fd96258d940d 46 * __bss_end__
Kojto 148:fd96258d940d 47 * __end__
Kojto 148:fd96258d940d 48 * end
Kojto 148:fd96258d940d 49 * __HeapLimit
Kojto 148:fd96258d940d 50 * __StackLimit
Kojto 148:fd96258d940d 51 * __StackTop
Kojto 148:fd96258d940d 52 * __stack
Kojto 148:fd96258d940d 53 */
Kojto 148:fd96258d940d 54 ENTRY(Reset_Handler)
Kojto 148:fd96258d940d 55
Kojto 148:fd96258d940d 56
Kojto 148:fd96258d940d 57 SECTIONS
Kojto 148:fd96258d940d 58 {
Kojto 148:fd96258d940d 59 .text :
Kojto 148:fd96258d940d 60 {
Kojto 148:fd96258d940d 61 KEEP(*(.Vectors))
Kojto 148:fd96258d940d 62 *(.text*)
Kojto 148:fd96258d940d 63
Kojto 148:fd96258d940d 64 KEEP(*(.init))
Kojto 148:fd96258d940d 65 KEEP(*(.fini))
Kojto 148:fd96258d940d 66
Kojto 148:fd96258d940d 67 /* .ctors */
Kojto 148:fd96258d940d 68 *crtbegin.o(.ctors)
Kojto 148:fd96258d940d 69 *crtbegin?.o(.ctors)
Kojto 148:fd96258d940d 70 *(EXCLUDE_FILE(*crtend?.o *crtend.o) .ctors)
Kojto 148:fd96258d940d 71 *(SORT(.ctors.*))
Kojto 148:fd96258d940d 72 *(.ctors)
Kojto 148:fd96258d940d 73
Kojto 148:fd96258d940d 74 /* .dtors */
Kojto 148:fd96258d940d 75 *crtbegin.o(.dtors)
Kojto 148:fd96258d940d 76 *crtbegin?.o(.dtors)
Kojto 148:fd96258d940d 77 *(EXCLUDE_FILE(*crtend?.o *crtend.o) .dtors)
Kojto 148:fd96258d940d 78 *(SORT(.dtors.*))
Kojto 148:fd96258d940d 79 *(.dtors)
Kojto 148:fd96258d940d 80
Kojto 148:fd96258d940d 81 *(.rodata*)
Kojto 148:fd96258d940d 82
Kojto 148:fd96258d940d 83 KEEP(*(.eh_frame*))
Kojto 148:fd96258d940d 84 } > FLASH
Kojto 148:fd96258d940d 85
Kojto 148:fd96258d940d 86 .ARM.extab :
Kojto 148:fd96258d940d 87 {
Kojto 148:fd96258d940d 88 *(.ARM.extab* .gnu.linkonce.armextab.*)
Kojto 148:fd96258d940d 89 . = ALIGN(4);
Kojto 148:fd96258d940d 90 } > FLASH
Kojto 148:fd96258d940d 91
Kojto 148:fd96258d940d 92 __exidx_start = .;
Kojto 148:fd96258d940d 93 .ARM.exidx :
Kojto 148:fd96258d940d 94 {
Kojto 148:fd96258d940d 95 *(.ARM.exidx* .gnu.linkonce.armexidx.*)
Kojto 148:fd96258d940d 96 . = ALIGN(4);
Kojto 148:fd96258d940d 97 } > FLASH
Kojto 148:fd96258d940d 98 __exidx_end = .;
Kojto 148:fd96258d940d 99
Kojto 148:fd96258d940d 100 __etext = .;
Kojto 148:fd96258d940d 101
Kojto 148:fd96258d940d 102 .data : AT (__etext)
Kojto 148:fd96258d940d 103 {
Kojto 148:fd96258d940d 104 __data_start__ = .;
Kojto 148:fd96258d940d 105 *(vtable)
Kojto 148:fd96258d940d 106 *(.data*)
Kojto 148:fd96258d940d 107
Kojto 148:fd96258d940d 108 . = ALIGN(4);
Kojto 148:fd96258d940d 109 /* preinit data */
Kojto 148:fd96258d940d 110 PROVIDE_HIDDEN (__preinit_array_start = .);
Kojto 148:fd96258d940d 111 KEEP(*(.preinit_array))
Kojto 148:fd96258d940d 112 PROVIDE_HIDDEN (__preinit_array_end = .);
Kojto 148:fd96258d940d 113
Kojto 148:fd96258d940d 114 . = ALIGN(4);
Kojto 148:fd96258d940d 115 /* init data */
Kojto 148:fd96258d940d 116 PROVIDE_HIDDEN (__init_array_start = .);
Kojto 148:fd96258d940d 117 KEEP(*(SORT(.init_array.*)))
Kojto 148:fd96258d940d 118 KEEP(*(.init_array))
Kojto 148:fd96258d940d 119 PROVIDE_HIDDEN (__init_array_end = .);
Kojto 148:fd96258d940d 120
Kojto 148:fd96258d940d 121
Kojto 148:fd96258d940d 122 . = ALIGN(4);
Kojto 148:fd96258d940d 123 /* finit data */
Kojto 148:fd96258d940d 124 PROVIDE_HIDDEN (__fini_array_start = .);
Kojto 148:fd96258d940d 125 KEEP(*(SORT(.fini_array.*)))
Kojto 148:fd96258d940d 126 KEEP(*(.fini_array))
Kojto 148:fd96258d940d 127 PROVIDE_HIDDEN (__fini_array_end = .);
Kojto 148:fd96258d940d 128
Kojto 148:fd96258d940d 129 . = ALIGN(4);
Kojto 148:fd96258d940d 130 PROVIDE(__start_fs_data = .);
Kojto 148:fd96258d940d 131 KEEP(*(.fs_data))
Kojto 148:fd96258d940d 132 PROVIDE(__stop_fs_data = .);
Kojto 148:fd96258d940d 133
Kojto 148:fd96258d940d 134 *(.jcr)
Kojto 148:fd96258d940d 135 . = ALIGN(4);
Kojto 148:fd96258d940d 136 /* All data end */
Kojto 148:fd96258d940d 137 __data_end__ = .;
Kojto 148:fd96258d940d 138
Kojto 148:fd96258d940d 139 } > RAM
Kojto 148:fd96258d940d 140
Kojto 148:fd96258d940d 141 __edata = .;
Kojto 148:fd96258d940d 142
Kojto 148:fd96258d940d 143 .noinit :
Kojto 148:fd96258d940d 144 {
Kojto 148:fd96258d940d 145 PROVIDE(__start_noinit = .);
Kojto 148:fd96258d940d 146 KEEP(*(.noinit))
Kojto 148:fd96258d940d 147 PROVIDE(__stop_noinit = .);
Kojto 148:fd96258d940d 148 } > RAM
Kojto 148:fd96258d940d 149
Kojto 148:fd96258d940d 150 .bss :
Kojto 148:fd96258d940d 151 {
Kojto 148:fd96258d940d 152 . = ALIGN(4);
Kojto 148:fd96258d940d 153 __bss_start__ = .;
Kojto 148:fd96258d940d 154 *(.bss*)
Kojto 148:fd96258d940d 155 *(COMMON)
Kojto 148:fd96258d940d 156 . = ALIGN(4);
Kojto 148:fd96258d940d 157 __bss_end__ = .;
Kojto 148:fd96258d940d 158 } > RAM
Kojto 148:fd96258d940d 159
Kojto 148:fd96258d940d 160 .heap (NOLOAD):
Kojto 148:fd96258d940d 161 {
Kojto 148:fd96258d940d 162 __end__ = .;
Kojto 148:fd96258d940d 163 end = __end__;
Kojto 148:fd96258d940d 164 *(.heap*);
Kojto 148:fd96258d940d 165
Kojto 148:fd96258d940d 166 /* Expand the heap to reach the stack boundary. */
Kojto 148:fd96258d940d 167 ASSERT(. <= (ORIGIN(RAM) + LENGTH(RAM) - 0x800), "heap region overflowed into stack");
Kojto 148:fd96258d940d 168 . += (ORIGIN(RAM) + LENGTH(RAM) - 0x800) - .;
Kojto 148:fd96258d940d 169 } > RAM
Kojto 148:fd96258d940d 170 PROVIDE(__heap_start = ADDR(.heap));
Kojto 148:fd96258d940d 171 PROVIDE(__heap_size = SIZEOF(.heap));
Kojto 148:fd96258d940d 172 PROVIDE(__mbed_sbrk_start = ADDR(.heap));
Kojto 148:fd96258d940d 173 PROVIDE(__mbed_krbs_start = ADDR(.heap) + SIZEOF(.heap));
Kojto 148:fd96258d940d 174
Kojto 148:fd96258d940d 175 /* .stack_dummy section does not contain any symbols. It is only
Kojto 148:fd96258d940d 176 * used for the linker script to calculate the size of stack sections
Kojto 148:fd96258d940d 177 * and assign values to stack symbols later. */
Kojto 148:fd96258d940d 178 .stack (NOLOAD):
Kojto 148:fd96258d940d 179 {
Kojto 148:fd96258d940d 180 __StackLimit = .;
Kojto 148:fd96258d940d 181 *(.stack*)
Kojto 148:fd96258d940d 182 . += (ORIGIN(RAM) + LENGTH(RAM) - .);
Kojto 148:fd96258d940d 183 } > RAM
Kojto 148:fd96258d940d 184
Kojto 148:fd96258d940d 185 /* Set the stack top to the end of RAM and move down the stack limit by
Kojto 148:fd96258d940d 186 * the size of the stack_dummy section. */
Kojto 148:fd96258d940d 187 __StackTop = ORIGIN(RAM) + LENGTH(RAM);
Kojto 148:fd96258d940d 188 __StackLimit = __StackTop - SIZEOF(.stack);
Kojto 148:fd96258d940d 189 PROVIDE(__stack = __StackTop);
Kojto 148:fd96258d940d 190 }