[136] | 1 | /**
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| 2 | * \file
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| 3 | *
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| 4 | * \brief Linker script for running in internal FLASH on the SAMD21G17A
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| 5 | *
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| 6 | * Copyright (c) 2014 Atmel Corporation. All rights reserved.
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| 7 | *
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| 8 | * \asf_license_start
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| 9 | *
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| 10 | * \page License
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| 11 | *
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| 12 | * Redistribution and use in source and binary forms, with or without
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| 13 | * modification, are permitted provided that the following conditions are met:
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| 14 | *
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| 15 | * 1. Redistributions of source code must retain the above copyright notice,
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| 16 | * this list of conditions and the following disclaimer.
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| 17 | *
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| 18 | * 2. Redistributions in binary form must reproduce the above copyright notice,
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| 19 | * this list of conditions and the following disclaimer in the documentation
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| 20 | * and/or other materials provided with the distribution.
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| 21 | *
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| 22 | * 3. The name of Atmel may not be used to endorse or promote products derived
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| 23 | * from this software without specific prior written permission.
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| 24 | *
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| 25 | * 4. This software may only be redistributed and used in connection with an
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| 26 | * Atmel microcontroller product.
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| 27 | *
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| 28 | * THIS SOFTWARE IS PROVIDED BY ATMEL "AS IS" AND ANY EXPRESS OR IMPLIED
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| 29 | * WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES OF
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| 30 | * MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND NON-INFRINGEMENT ARE
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| 31 | * EXPRESSLY AND SPECIFICALLY DISCLAIMED. IN NO EVENT SHALL ATMEL BE LIABLE FOR
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| 32 | * ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
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| 33 | * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
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| 34 | * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
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| 35 | * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT,
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| 36 | * STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN
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| 37 | * ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE
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| 38 | * POSSIBILITY OF SUCH DAMAGE.
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| 39 | *
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| 40 | * \asf_license_stop
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| 41 | *
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| 42 | */
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| 43 |
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| 44 |
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| 45 | OUTPUT_FORMAT("elf32-littlearm", "elf32-littlearm", "elf32-littlearm")
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| 46 | OUTPUT_ARCH(arm)
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| 47 | SEARCH_DIR(.)
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| 48 |
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| 49 | /* Memory Spaces Definitions */
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| 50 | MEMORY
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| 51 | {
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| 52 | rom (rx) : ORIGIN = 0x00000000, LENGTH = 0x00020000
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| 53 | ram (rwx) : ORIGIN = 0x20000000, LENGTH = 0x00004000
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| 54 | }
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| 55 |
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| 56 | /* The stack size used by the application. NOTE: you need to adjust according to your application. */
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| 57 | STACK_SIZE = DEFINED(STACK_SIZE) ? STACK_SIZE : DEFINED(__stack_size__) ? __stack_size__ : 0x1000;
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| 58 |
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| 59 | /* Section Definitions */
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| 60 | SECTIONS
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| 61 | {
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| 62 | .text :
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| 63 | {
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| 64 | . = ALIGN(4);
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| 65 | _sfixed = .;
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| 66 | KEEP(*(.vectors .vectors.*))
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| 67 | *(.text .text.* .gnu.linkonce.t.*)
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| 68 | *(.glue_7t) *(.glue_7)
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| 69 | *(.rodata .rodata* .gnu.linkonce.r.*)
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| 70 | *(.ARM.extab* .gnu.linkonce.armextab.*)
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| 71 |
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| 72 | /* Support C constructors, and C destructors in both user code
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| 73 | and the C library. This also provides support for C++ code. */
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| 74 | . = ALIGN(4);
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| 75 | KEEP(*(.init))
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| 76 | . = ALIGN(4);
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| 77 | __preinit_array_start = .;
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| 78 | KEEP (*(.preinit_array))
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| 79 | __preinit_array_end = .;
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| 80 |
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| 81 | . = ALIGN(4);
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| 82 | __init_array_start = .;
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| 83 | KEEP (*(SORT(.init_array.*)))
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| 84 | KEEP (*(.init_array))
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| 85 | __init_array_end = .;
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| 86 |
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| 87 | . = ALIGN(4);
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| 88 | KEEP (*crtbegin.o(.ctors))
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| 89 | KEEP (*(EXCLUDE_FILE (*crtend.o) .ctors))
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| 90 | KEEP (*(SORT(.ctors.*)))
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| 91 | KEEP (*crtend.o(.ctors))
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| 92 |
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| 93 | . = ALIGN(4);
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| 94 | KEEP(*(.fini))
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| 95 |
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| 96 | . = ALIGN(4);
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| 97 | __fini_array_start = .;
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| 98 | KEEP (*(.fini_array))
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| 99 | KEEP (*(SORT(.fini_array.*)))
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| 100 | __fini_array_end = .;
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| 101 |
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| 102 | KEEP (*crtbegin.o(.dtors))
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| 103 | KEEP (*(EXCLUDE_FILE (*crtend.o) .dtors))
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| 104 | KEEP (*(SORT(.dtors.*)))
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| 105 | KEEP (*crtend.o(.dtors))
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| 106 |
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| 107 | . = ALIGN(4);
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| 108 | _efixed = .; /* End of text section */
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| 109 | } > rom
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| 110 |
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| 111 | /* .ARM.exidx is sorted, so has to go in its own output section. */
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| 112 | PROVIDE_HIDDEN (__exidx_start = .);
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| 113 | .ARM.exidx :
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| 114 | {
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| 115 | *(.ARM.exidx* .gnu.linkonce.armexidx.*)
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| 116 | } > rom
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| 117 | PROVIDE_HIDDEN (__exidx_end = .);
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| 118 |
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| 119 | . = ALIGN(4);
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| 120 | _etext = .;
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| 121 |
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| 122 | .relocate : AT (_etext)
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| 123 | {
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| 124 | . = ALIGN(4);
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| 125 | _srelocate = .;
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| 126 | *(.ramfunc .ramfunc.*);
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| 127 | *(.data .data.*);
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| 128 | . = ALIGN(4);
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| 129 | _erelocate = .;
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| 130 | } > ram
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| 131 |
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| 132 | /* .bss section which is used for uninitialized data */
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| 133 | .bss (NOLOAD) :
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| 134 | {
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| 135 | . = ALIGN(4);
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| 136 | _sbss = . ;
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| 137 | _szero = .;
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| 138 | *(.bss .bss.*)
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| 139 | *(COMMON)
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| 140 | . = ALIGN(4);
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| 141 | _ebss = . ;
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| 142 | _ezero = .;
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| 143 | } > ram
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| 144 |
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| 145 | /* stack section */
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| 146 | .stack (NOLOAD):
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| 147 | {
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| 148 | . = ALIGN(8);
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| 149 | _sstack = .;
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| 150 | . = . + STACK_SIZE;
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| 151 | . = ALIGN(8);
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| 152 | _estack = .;
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| 153 | } > ram
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| 154 |
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| 155 | . = ALIGN(4);
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| 156 | _end = . ;
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| 157 | }
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