4 * \brief Linker script for running in internal FLASH on the SAMD20J18
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6 * Copyright (c) 2013 Atmel Corporation. All rights reserved.
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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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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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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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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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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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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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45 OUTPUT_FORMAT("elf32-littlearm", "elf32-littlearm", "elf32-littlearm")
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49 /* Memory Spaces Definitions */
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52 rom (rx) : ORIGIN = 0x00000000, LENGTH = 0x00040000
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53 ram (rwx) : ORIGIN = 0x20000000, LENGTH = 0x00008000
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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 : 0x2000;
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59 /* Section Definitions */
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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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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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77 __preinit_array_start = .;
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78 KEEP (*(.preinit_array))
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79 __preinit_array_end = .;
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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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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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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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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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108 _efixed = .; /* End of text section */
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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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115 *(.ARM.exidx* .gnu.linkonce.armexidx.*)
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117 PROVIDE_HIDDEN (__exidx_end = .);
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122 .relocate : AT (_etext)
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126 *(.ramfunc .ramfunc.*);
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132 /* .bss section which is used for uninitialized data */
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145 /* stack section */
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150 . = . + STACK_SIZE;
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