1/* 2** ################################################################### 3** Processors: MKE14Z256VLH7 4** MKE14Z256VLL7 5** 6** Compiler: GNU C Compiler 7** Reference manual: KE1xZP100M72SF0RM, Rev. 2, Aug. 2016 8** Version: rev. 3.0, 2016-09-20 9** Build: b210812 10** 11** Abstract: 12** Linker file for the GNU C Compiler 13** 14** Copyright 2016 Freescale Semiconductor, Inc. 15** Copyright 2016-2021 NXP 16** All rights reserved. 17** 18** SPDX-License-Identifier: BSD-3-Clause 19** 20** http: www.nxp.com 21** mail: support@nxp.com 22** 23** ################################################################### 24*/ 25 26/* Entry Point */ 27ENTRY(Reset_Handler) 28 29HEAP_SIZE = DEFINED(__heap_size__) ? __heap_size__ : 0x0400; 30STACK_SIZE = DEFINED(__stack_size__) ? __stack_size__ : 0x0400; 31 32/* Specify the memory areas */ 33MEMORY 34{ 35 m_interrupts (RX) : ORIGIN = 0x1FFFE000, LENGTH = 0x00000200 36 m_data (RW) : ORIGIN = 0x1FFFE200, LENGTH = 0x00001E00 37 m_text (RX) : ORIGIN = 0x20000000, LENGTH = 0x00006000 38} 39 40/* Define output sections */ 41SECTIONS 42{ 43 /* The startup code goes first into internal RAM */ 44 .interrupts : 45 { 46 . = ALIGN(4); 47 KEEP(*(.isr_vector)) /* Startup code */ 48 . = ALIGN(4); 49 } > m_interrupts 50 51 /* The program code and other data goes into internal RAM */ 52 .text : 53 { 54 . = ALIGN(4); 55 *(.text) /* .text sections (code) */ 56 *(.text*) /* .text* sections (code) */ 57 *(.rodata) /* .rodata sections (constants, strings, etc.) */ 58 *(.rodata*) /* .rodata* sections (constants, strings, etc.) */ 59 *(.glue_7) /* glue arm to thumb code */ 60 *(.glue_7t) /* glue thumb to arm code */ 61 *(.eh_frame) 62 KEEP (*(.init)) 63 KEEP (*(.fini)) 64 . = ALIGN(4); 65 } > m_text 66 67 .ARM.extab : 68 { 69 *(.ARM.extab* .gnu.linkonce.armextab.*) 70 } > m_text 71 72 .ARM : 73 { 74 __exidx_start = .; 75 *(.ARM.exidx*) 76 __exidx_end = .; 77 } > m_text 78 79 .ctors : 80 { 81 __CTOR_LIST__ = .; 82 /* gcc uses crtbegin.o to find the start of 83 the constructors, so we make sure it is 84 first. Because this is a wildcard, it 85 doesn't matter if the user does not 86 actually link against crtbegin.o; the 87 linker won't look for a file to match a 88 wildcard. The wildcard also means that it 89 doesn't matter which directory crtbegin.o 90 is in. */ 91 KEEP (*crtbegin.o(.ctors)) 92 KEEP (*crtbegin?.o(.ctors)) 93 /* We don't want to include the .ctor section from 94 from the crtend.o file until after the sorted ctors. 95 The .ctor section from the crtend file contains the 96 end of ctors marker and it must be last */ 97 KEEP (*(EXCLUDE_FILE(*crtend?.o *crtend.o) .ctors)) 98 KEEP (*(SORT(.ctors.*))) 99 KEEP (*(.ctors)) 100 __CTOR_END__ = .; 101 } > m_text 102 103 .dtors : 104 { 105 __DTOR_LIST__ = .; 106 KEEP (*crtbegin.o(.dtors)) 107 KEEP (*crtbegin?.o(.dtors)) 108 KEEP (*(EXCLUDE_FILE(*crtend?.o *crtend.o) .dtors)) 109 KEEP (*(SORT(.dtors.*))) 110 KEEP (*(.dtors)) 111 __DTOR_END__ = .; 112 } > m_text 113 114 .preinit_array : 115 { 116 PROVIDE_HIDDEN (__preinit_array_start = .); 117 KEEP (*(.preinit_array*)) 118 PROVIDE_HIDDEN (__preinit_array_end = .); 119 } > m_text 120 121 .init_array : 122 { 123 PROVIDE_HIDDEN (__init_array_start = .); 124 KEEP (*(SORT(.init_array.*))) 125 KEEP (*(.init_array*)) 126 PROVIDE_HIDDEN (__init_array_end = .); 127 } > m_text 128 129 .fini_array : 130 { 131 PROVIDE_HIDDEN (__fini_array_start = .); 132 KEEP (*(SORT(.fini_array.*))) 133 KEEP (*(.fini_array*)) 134 PROVIDE_HIDDEN (__fini_array_end = .); 135 } > m_text 136 137 __etext = .; /* define a global symbol at end of code */ 138 __DATA_ROM = .; /* Symbol is used by startup for data initialization */ 139 140 /* reserve MTB memory at the beginning of m_data */ 141 .mtb : /* MTB buffer address as defined by the hardware */ 142 { 143 . = ALIGN(8); 144 _mtb_start = .; 145 KEEP(*(.mtb_buf)) /* need to KEEP Micro Trace Buffer as not referenced by application */ 146 . = ALIGN(8); 147 _mtb_end = .; 148 } > m_data 149 150 .data : AT(__DATA_ROM) 151 { 152 . = ALIGN(4); 153 __DATA_RAM = .; 154 __data_start__ = .; /* create a global symbol at data start */ 155 *(.data) /* .data sections */ 156 *(.data*) /* .data* sections */ 157 *(NonCacheable.init) /* NonCacheable init section */ 158 *(NonCacheable) /* NonCacheable section */ 159 *(CodeQuickAccess) /* quick access code section */ 160 *(DataQuickAccess) /* quick access data section */ 161 KEEP(*(.jcr*)) 162 . = ALIGN(4); 163 __data_end__ = .; /* define a global symbol at data end */ 164 } > m_data 165 166 __DATA_END = __DATA_ROM + (__data_end__ - __data_start__); 167 text_end = ORIGIN(m_text) + LENGTH(m_text); 168 ASSERT(__DATA_END <= text_end, "region m_text overflowed with text and data") 169 170 /* Uninitialized data section */ 171 .bss : 172 { 173 /* This is used by the startup in order to initialize the .bss section */ 174 . = ALIGN(4); 175 __START_BSS = .; 176 __bss_start__ = .; 177 *(.bss) 178 *(.bss*) 179 *(COMMON) 180 . = ALIGN(4); 181 __bss_end__ = .; 182 __END_BSS = .; 183 } > m_data 184 185 .heap : 186 { 187 . = ALIGN(8); 188 __end__ = .; 189 PROVIDE(end = .); 190 __HeapBase = .; 191 . += HEAP_SIZE; 192 __HeapLimit = .; 193 __heap_limit = .; /* Add for _sbrk */ 194 } > m_data 195 196 .stack : 197 { 198 . = ALIGN(8); 199 . += STACK_SIZE; 200 } > m_data 201 202 /* Initializes stack on the end of block */ 203 __StackTop = ORIGIN(m_data) + LENGTH(m_data); 204 __StackLimit = __StackTop - STACK_SIZE; 205 PROVIDE(__stack = __StackTop); 206 207 .ARM.attributes 0 : { *(.ARM.attributes) } 208 209 ASSERT(__StackLimit >= __HeapLimit, "region m_data overflowed with stack and heap") 210} 211 212