source: rtos_arduino/trunk/arduino_lib/hardware/tools/CMSIS/Device/ATMEL/samd21/source/as_gcc/samd21e16a_flash.ld@ 136

Last change on this file since 136 was 136, checked in by ertl-honda, 8 years ago

ライブラリとOS及びベーシックなサンプルの追加．
File size: 4.5 KB
Line 
1/**
2 * \file
3 *
4 * \brief Linker script for running in internal FLASH on the SAMD21E16A
5 *
6 * Copyright (c) 2014 Atmel Corporation. All rights reserved.
7 *
8 * \asf_license_start
9 *
10 * \page License
11 *
12 * Redistribution and use in source and binary forms, with or without
13 * modification, are permitted provided that the following conditions are met:
14 *
15 * 1. Redistributions of source code must retain the above copyright notice,
16 * this list of conditions and the following disclaimer.
17 *
18 * 2. Redistributions in binary form must reproduce the above copyright notice,
19 * this list of conditions and the following disclaimer in the documentation
20 * and/or other materials provided with the distribution.
21 *
22 * 3. The name of Atmel may not be used to endorse or promote products derived
23 * from this software without specific prior written permission.
24 *
25 * 4. This software may only be redistributed and used in connection with an
26 * Atmel microcontroller product.
27 *
28 * THIS SOFTWARE IS PROVIDED BY ATMEL "AS IS" AND ANY EXPRESS OR IMPLIED
29 * WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES OF
30 * MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND NON-INFRINGEMENT ARE
31 * EXPRESSLY AND SPECIFICALLY DISCLAIMED. IN NO EVENT SHALL ATMEL BE LIABLE FOR
32 * ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
33 * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
34 * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
35 * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT,
36 * STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN
37 * ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE
38 * POSSIBILITY OF SUCH DAMAGE.
39 *
40 * \asf_license_stop
41 *
42 */
43
44
45OUTPUT_FORMAT("elf32-littlearm", "elf32-littlearm", "elf32-littlearm")
46OUTPUT_ARCH(arm)
47SEARCH_DIR(.)
48
49/* Memory Spaces Definitions */
50MEMORY
51{
52 rom (rx) : ORIGIN = 0x00000000, LENGTH = 0x00010000
53 ram (rwx) : ORIGIN = 0x20000000, LENGTH = 0x00002000
54}
55
56/* The stack size used by the application. NOTE: you need to adjust according to your application. */
57STACK_SIZE = DEFINED(STACK_SIZE) ? STACK_SIZE : DEFINED(__stack_size__) ? __stack_size__ : 0x800;
58
59/* Section Definitions */
60SECTIONS
61{
62 .text :
63 {
64 . = ALIGN(4);
65 _sfixed = .;
66 KEEP(*(.vectors .vectors.*))
67 *(.text .text.* .gnu.linkonce.t.*)
68 *(.glue_7t) *(.glue_7)
69 *(.rodata .rodata* .gnu.linkonce.r.*)
70 *(.ARM.extab* .gnu.linkonce.armextab.*)
71
72 /* Support C constructors, and C destructors in both user code
73 and the C library. This also provides support for C++ code. */
74 . = ALIGN(4);
75 KEEP(*(.init))
76 . = ALIGN(4);
77 __preinit_array_start = .;
78 KEEP (*(.preinit_array))
79 __preinit_array_end = .;
80
81 . = ALIGN(4);
82 __init_array_start = .;
83 KEEP (*(SORT(.init_array.*)))
84 KEEP (*(.init_array))
85 __init_array_end = .;
86
87 . = ALIGN(4);
88 KEEP (*crtbegin.o(.ctors))
89 KEEP (*(EXCLUDE_FILE (*crtend.o) .ctors))
90 KEEP (*(SORT(.ctors.*)))
91 KEEP (*crtend.o(.ctors))
92
93 . = ALIGN(4);
94 KEEP(*(.fini))
95
96 . = ALIGN(4);
97 __fini_array_start = .;
98 KEEP (*(.fini_array))
99 KEEP (*(SORT(.fini_array.*)))
100 __fini_array_end = .;
101
102 KEEP (*crtbegin.o(.dtors))
103 KEEP (*(EXCLUDE_FILE (*crtend.o) .dtors))
104 KEEP (*(SORT(.dtors.*)))
105 KEEP (*crtend.o(.dtors))
106
107 . = ALIGN(4);
108 _efixed = .; /* End of text section */
109 } > rom
110
111 /* .ARM.exidx is sorted, so has to go in its own output section. */
112 PROVIDE_HIDDEN (__exidx_start = .);
113 .ARM.exidx :
114 {
115 *(.ARM.exidx* .gnu.linkonce.armexidx.*)
116 } > rom
117 PROVIDE_HIDDEN (__exidx_end = .);
118
119 . = ALIGN(4);
120 _etext = .;
121
122 .relocate : AT (_etext)
123 {
124 . = ALIGN(4);
125 _srelocate = .;
126 *(.ramfunc .ramfunc.*);
127 *(.data .data.*);
128 . = ALIGN(4);
129 _erelocate = .;
130 } > ram
131
132 /* .bss section which is used for uninitialized data */
133 .bss (NOLOAD) :
134 {
135 . = ALIGN(4);
136 _sbss = . ;
137 _szero = .;
138 *(.bss .bss.*)
139 *(COMMON)
140 . = ALIGN(4);
141 _ebss = . ;
142 _ezero = .;
143 } > ram
144
145 /* stack section */
146 .stack (NOLOAD):
147 {
148 . = ALIGN(8);
149 _sstack = .;
150 . = . + STACK_SIZE;
151 . = ALIGN(8);
152 _estack = .;
153 } > ram
154
155 . = ALIGN(4);
156 _end = . ;
157}
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