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The official Mbed 2 C/C++ SDK provides the software platform and libraries to build your applications.

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mbed 2

This is the mbed 2 library. If you'd like to learn about Mbed OS please see the mbed-os docs.

TARGET_SAKURAIO_EVB_01/TOOLCHAIN_GCC_ARM/STM32F411XE.ld@172:65be27845400, 2019-02-20 (annotated)

Committer:
AnnaBridge
Date:
Wed Feb 20 20:53:29 2019 +0000
Revision:
172:65be27845400
Parent:
171:3a7713b1edbc 
mbed library release version 165

Who changed what in which revision?

UserRevisionLine numberNew contents of line
AnnaBridge 167:84c0a372a020 1 #if !defined(MBED_APP_START)
AnnaBridge 167:84c0a372a020 2 #define MBED_APP_START 0x08000000
AnnaBridge 167:84c0a372a020 3 #endif
AnnaBridge 167:84c0a372a020 4
AnnaBridge 167:84c0a372a020 5 #if !defined(MBED_APP_SIZE)
AnnaBridge 167:84c0a372a020 6 #define MBED_APP_SIZE 512K
AnnaBridge 167:84c0a372a020 7 #endif
AnnaBridge 167:84c0a372a020 8
AnnaBridge 172:65be27845400 9 M_CRASH_DATA_RAM_SIZE = 0x100;
AnnaBridge 172:65be27845400 10
Anna Bridge 160:5571c4ff569f 11 /* Linker script to configure memory regions. */
Anna Bridge 160:5571c4ff569f 12 MEMORY
AnnaBridge 167:84c0a372a020 13 {
AnnaBridge 167:84c0a372a020 14 FLASH (rx) : ORIGIN = MBED_APP_START, LENGTH = MBED_APP_SIZE
Anna Bridge 160:5571c4ff569f 15 RAM (rwx) : ORIGIN = 0x20000198, LENGTH = 128k - 0x198
Anna Bridge 160:5571c4ff569f 16 }
Anna Bridge 160:5571c4ff569f 17
Anna Bridge 160:5571c4ff569f 18 /* Linker script to place sections and symbol values. Should be used together
Anna Bridge 160:5571c4ff569f 19 * with other linker script that defines memory regions FLASH and RAM.
Anna Bridge 160:5571c4ff569f 20 * It references following symbols, which must be defined in code:
Anna Bridge 160:5571c4ff569f 21 * Reset_Handler : Entry of reset handler
Anna Bridge 160:5571c4ff569f 22 *
Anna Bridge 160:5571c4ff569f 23 * It defines following symbols, which code can use without definition:
Anna Bridge 160:5571c4ff569f 24 * __exidx_start
Anna Bridge 160:5571c4ff569f 25 * __exidx_end
Anna Bridge 160:5571c4ff569f 26 * __etext
Anna Bridge 160:5571c4ff569f 27 * __data_start__
Anna Bridge 160:5571c4ff569f 28 * __preinit_array_start
Anna Bridge 160:5571c4ff569f 29 * __preinit_array_end
Anna Bridge 160:5571c4ff569f 30 * __init_array_start
Anna Bridge 160:5571c4ff569f 31 * __init_array_end
Anna Bridge 160:5571c4ff569f 32 * __fini_array_start
Anna Bridge 160:5571c4ff569f 33 * __fini_array_end
Anna Bridge 160:5571c4ff569f 34 * __data_end__
Anna Bridge 160:5571c4ff569f 35 * __bss_start__
Anna Bridge 160:5571c4ff569f 36 * __bss_end__
Anna Bridge 160:5571c4ff569f 37 * __end__
Anna Bridge 160:5571c4ff569f 38 * end
Anna Bridge 160:5571c4ff569f 39 * __HeapLimit
Anna Bridge 160:5571c4ff569f 40 * __StackLimit
Anna Bridge 160:5571c4ff569f 41 * __StackTop
Anna Bridge 160:5571c4ff569f 42 * __stack
Anna Bridge 160:5571c4ff569f 43 * _estack
Anna Bridge 160:5571c4ff569f 44 */
Anna Bridge 160:5571c4ff569f 45 ENTRY(Reset_Handler)
Anna Bridge 160:5571c4ff569f 46
Anna Bridge 160:5571c4ff569f 47 SECTIONS
Anna Bridge 160:5571c4ff569f 48 {
Anna Bridge 160:5571c4ff569f 49 .text :
Anna Bridge 160:5571c4ff569f 50 {
Anna Bridge 160:5571c4ff569f 51 KEEP(*(.isr_vector))
Anna Bridge 160:5571c4ff569f 52 *(.text*)
Anna Bridge 160:5571c4ff569f 53 KEEP(*(.init))
Anna Bridge 160:5571c4ff569f 54 KEEP(*(.fini))
Anna Bridge 160:5571c4ff569f 55
Anna Bridge 160:5571c4ff569f 56 /* .ctors */
Anna Bridge 160:5571c4ff569f 57 *crtbegin.o(.ctors)
Anna Bridge 160:5571c4ff569f 58 *crtbegin?.o(.ctors)
Anna Bridge 160:5571c4ff569f 59 *(EXCLUDE_FILE(*crtend?.o *crtend.o) .ctors)
Anna Bridge 160:5571c4ff569f 60 *(SORT(.ctors.*))
Anna Bridge 160:5571c4ff569f 61 *(.ctors)
Anna Bridge 160:5571c4ff569f 62
Anna Bridge 160:5571c4ff569f 63 /* .dtors */
Anna Bridge 160:5571c4ff569f 64 *crtbegin.o(.dtors)
Anna Bridge 160:5571c4ff569f 65 *crtbegin?.o(.dtors)
Anna Bridge 160:5571c4ff569f 66 *(EXCLUDE_FILE(*crtend?.o *crtend.o) .dtors)
Anna Bridge 160:5571c4ff569f 67 *(SORT(.dtors.*))
Anna Bridge 160:5571c4ff569f 68 *(.dtors)
Anna Bridge 160:5571c4ff569f 69
Anna Bridge 160:5571c4ff569f 70 *(.rodata*)
Anna Bridge 160:5571c4ff569f 71
Anna Bridge 160:5571c4ff569f 72 KEEP(*(.eh_frame*))
Anna Bridge 160:5571c4ff569f 73 } > FLASH
Anna Bridge 160:5571c4ff569f 74
Anna Bridge 160:5571c4ff569f 75 .ARM.extab :
Anna Bridge 160:5571c4ff569f 76 {
Anna Bridge 160:5571c4ff569f 77 *(.ARM.extab* .gnu.linkonce.armextab.*)
Anna Bridge 160:5571c4ff569f 78 } > FLASH
Anna Bridge 160:5571c4ff569f 79
Anna Bridge 160:5571c4ff569f 80 __exidx_start = .;
Anna Bridge 160:5571c4ff569f 81 .ARM.exidx :
Anna Bridge 160:5571c4ff569f 82 {
Anna Bridge 160:5571c4ff569f 83 *(.ARM.exidx* .gnu.linkonce.armexidx.*)
Anna Bridge 160:5571c4ff569f 84 } > FLASH
Anna Bridge 160:5571c4ff569f 85 __exidx_end = .;
Anna Bridge 160:5571c4ff569f 86
Anna Bridge 160:5571c4ff569f 87 __etext = .;
Anna Bridge 160:5571c4ff569f 88 _sidata = .;
AnnaBridge 172:65be27845400 89
AnnaBridge 172:65be27845400 90 .crash_data_ram :
AnnaBridge 172:65be27845400 91 {
AnnaBridge 172:65be27845400 92 . = ALIGN(8);
AnnaBridge 172:65be27845400 93 __CRASH_DATA_RAM__ = .;
AnnaBridge 172:65be27845400 94 __CRASH_DATA_RAM_START__ = .; /* Create a global symbol at data start */
AnnaBridge 172:65be27845400 95 KEEP(*(.keep.crash_data_ram))
AnnaBridge 172:65be27845400 96 *(.m_crash_data_ram) /* This is a user defined section */
AnnaBridge 172:65be27845400 97 . += M_CRASH_DATA_RAM_SIZE;
AnnaBridge 172:65be27845400 98 . = ALIGN(8);
AnnaBridge 172:65be27845400 99 __CRASH_DATA_RAM_END__ = .; /* Define a global symbol at data end */
AnnaBridge 172:65be27845400 100 } > RAM
Anna Bridge 160:5571c4ff569f 101
Anna Bridge 160:5571c4ff569f 102 .data : AT (__etext)
Anna Bridge 160:5571c4ff569f 103 {
Anna Bridge 160:5571c4ff569f 104 __data_start__ = .;
Anna Bridge 160:5571c4ff569f 105 _sdata = .;
Anna Bridge 160:5571c4ff569f 106 *(vtable)
Anna Bridge 160:5571c4ff569f 107 *(.data*)
Anna Bridge 160:5571c4ff569f 108
AnnaBridge 171:3a7713b1edbc 109 . = ALIGN(8);
Anna Bridge 160:5571c4ff569f 110 /* preinit data */
Anna Bridge 160:5571c4ff569f 111 PROVIDE_HIDDEN (__preinit_array_start = .);
Anna Bridge 160:5571c4ff569f 112 KEEP(*(.preinit_array))
Anna Bridge 160:5571c4ff569f 113 PROVIDE_HIDDEN (__preinit_array_end = .);
Anna Bridge 160:5571c4ff569f 114
AnnaBridge 171:3a7713b1edbc 115 . = ALIGN(8);
Anna Bridge 160:5571c4ff569f 116 /* init data */
Anna Bridge 160:5571c4ff569f 117 PROVIDE_HIDDEN (__init_array_start = .);
Anna Bridge 160:5571c4ff569f 118 KEEP(*(SORT(.init_array.*)))
Anna Bridge 160:5571c4ff569f 119 KEEP(*(.init_array))
Anna Bridge 160:5571c4ff569f 120 PROVIDE_HIDDEN (__init_array_end = .);
Anna Bridge 160:5571c4ff569f 121
Anna Bridge 160:5571c4ff569f 122
AnnaBridge 171:3a7713b1edbc 123 . = ALIGN(8);
Anna Bridge 160:5571c4ff569f 124 /* finit data */
Anna Bridge 160:5571c4ff569f 125 PROVIDE_HIDDEN (__fini_array_start = .);
Anna Bridge 160:5571c4ff569f 126 KEEP(*(SORT(.fini_array.*)))
Anna Bridge 160:5571c4ff569f 127 KEEP(*(.fini_array))
Anna Bridge 160:5571c4ff569f 128 PROVIDE_HIDDEN (__fini_array_end = .);
Anna Bridge 160:5571c4ff569f 129
Anna Bridge 160:5571c4ff569f 130 KEEP(*(.jcr*))
AnnaBridge 171:3a7713b1edbc 131 . = ALIGN(8);
Anna Bridge 160:5571c4ff569f 132 /* All data end */
Anna Bridge 160:5571c4ff569f 133 __data_end__ = .;
Anna Bridge 160:5571c4ff569f 134 _edata = .;
Anna Bridge 160:5571c4ff569f 135
Anna Bridge 160:5571c4ff569f 136 } > RAM
Anna Bridge 160:5571c4ff569f 137
Anna Bridge 160:5571c4ff569f 138 .bss :
Anna Bridge 160:5571c4ff569f 139 {
AnnaBridge 171:3a7713b1edbc 140 . = ALIGN(8);
Anna Bridge 160:5571c4ff569f 141 __bss_start__ = .;
Anna Bridge 160:5571c4ff569f 142 _sbss = .;
Anna Bridge 160:5571c4ff569f 143 *(.bss*)
Anna Bridge 160:5571c4ff569f 144 *(COMMON)
AnnaBridge 171:3a7713b1edbc 145 . = ALIGN(8);
Anna Bridge 160:5571c4ff569f 146 __bss_end__ = .;
Anna Bridge 160:5571c4ff569f 147 _ebss = .;
Anna Bridge 160:5571c4ff569f 148 } > RAM
Anna Bridge 160:5571c4ff569f 149
Anna Bridge 160:5571c4ff569f 150 .heap (COPY):
Anna Bridge 160:5571c4ff569f 151 {
Anna Bridge 160:5571c4ff569f 152 __end__ = .;
Anna Bridge 160:5571c4ff569f 153 end = __end__;
Anna Bridge 160:5571c4ff569f 154 *(.heap*)
Anna Bridge 160:5571c4ff569f 155 __HeapLimit = .;
Anna Bridge 160:5571c4ff569f 156 } > RAM
Anna Bridge 160:5571c4ff569f 157
Anna Bridge 160:5571c4ff569f 158 /* .stack_dummy section doesn't contains any symbols. It is only
Anna Bridge 160:5571c4ff569f 159 * used for linker to calculate size of stack sections, and assign
Anna Bridge 160:5571c4ff569f 160 * values to stack symbols later */
Anna Bridge 160:5571c4ff569f 161 .stack_dummy (COPY):
Anna Bridge 160:5571c4ff569f 162 {
Anna Bridge 160:5571c4ff569f 163 *(.stack*)
Anna Bridge 160:5571c4ff569f 164 } > RAM
Anna Bridge 160:5571c4ff569f 165
Anna Bridge 160:5571c4ff569f 166 /* Set stack top to end of RAM, and stack limit move down by
Anna Bridge 160:5571c4ff569f 167 * size of stack_dummy section */
Anna Bridge 160:5571c4ff569f 168 __StackTop = ORIGIN(RAM) + LENGTH(RAM);
Anna Bridge 160:5571c4ff569f 169 _estack = __StackTop;
Anna Bridge 160:5571c4ff569f 170 __StackLimit = __StackTop - SIZEOF(.stack_dummy);
Anna Bridge 160:5571c4ff569f 171 PROVIDE(__stack = __StackTop);
Anna Bridge 160:5571c4ff569f 172
Anna Bridge 160:5571c4ff569f 173 /* Check if data + heap + stack exceeds RAM limit */
Anna Bridge 160:5571c4ff569f 174 ASSERT(__StackLimit >= __HeapLimit, "region RAM overflowed with stack")
Anna Bridge 160:5571c4ff569f 175 }