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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_NUCLEO_F303ZE/TOOLCHAIN_GCC_ARM/STM32F303XE.ld@171:3a7713b1edbc, 2018-11-08 (annotated)

Committer:
AnnaBridge
Date:
Thu Nov 08 11:45:42 2018 +0000
Revision:
171:3a7713b1edbc
Parent:
170:e95d10626187 
mbed library. Release version 164

Who changed what in which revision?

UserRevisionLine numberNew contents of line
AnnaBridge 126:abea610beb85 1 /* Linker script to configure memory regions. */
AnnaBridge 171:3a7713b1edbc 2 /* 0x194 resevered for vectors; 8-byte aligned = 0x198 (0x194 + 0x4)*/
AnnaBridge 170:e95d10626187 3 #ifndef MBED_APP_START
AnnaBridge 170:e95d10626187 4 #define MBED_APP_START 0x08000000
AnnaBridge 170:e95d10626187 5 #endif
AnnaBridge 170:e95d10626187 6
AnnaBridge 170:e95d10626187 7 #ifndef MBED_APP_SIZE
AnnaBridge 170:e95d10626187 8 #define MBED_APP_SIZE 512K
AnnaBridge 170:e95d10626187 9 #endif
AnnaBridge 170:e95d10626187 10
AnnaBridge 126:abea610beb85 11 MEMORY
AnnaBridge 126:abea610beb85 12 {
AnnaBridge 170:e95d10626187 13 FLASH (rx) : ORIGIN = MBED_APP_START, LENGTH = MBED_APP_SIZE
AnnaBridge 126:abea610beb85 14 CCM (rwx) : ORIGIN = 0x10000000, LENGTH = 16K
AnnaBridge 171:3a7713b1edbc 15 RAM (rwx) : ORIGIN = 0x20000198, LENGTH = 64K - (0x194+0x4)
AnnaBridge 126:abea610beb85 16 }
AnnaBridge 126:abea610beb85 17
AnnaBridge 126:abea610beb85 18 /* Linker script to place sections and symbol values. Should be used together
AnnaBridge 126:abea610beb85 19 * with other linker script that defines memory regions FLASH and RAM.
AnnaBridge 126:abea610beb85 20 * It references following symbols, which must be defined in code:
AnnaBridge 126:abea610beb85 21 * Reset_Handler : Entry of reset handler
AnnaBridge 126:abea610beb85 22 *
AnnaBridge 126:abea610beb85 23 * It defines following symbols, which code can use without definition:
AnnaBridge 126:abea610beb85 24 * __exidx_start
AnnaBridge 126:abea610beb85 25 * __exidx_end
AnnaBridge 126:abea610beb85 26 * __etext
AnnaBridge 126:abea610beb85 27 * __data_start__
AnnaBridge 126:abea610beb85 28 * __preinit_array_start
AnnaBridge 126:abea610beb85 29 * __preinit_array_end
AnnaBridge 126:abea610beb85 30 * __init_array_start
AnnaBridge 126:abea610beb85 31 * __init_array_end
AnnaBridge 126:abea610beb85 32 * __fini_array_start
AnnaBridge 126:abea610beb85 33 * __fini_array_end
AnnaBridge 126:abea610beb85 34 * __data_end__
AnnaBridge 126:abea610beb85 35 * __bss_start__
AnnaBridge 126:abea610beb85 36 * __bss_end__
AnnaBridge 126:abea610beb85 37 * __end__
AnnaBridge 126:abea610beb85 38 * end
AnnaBridge 126:abea610beb85 39 * __HeapLimit
AnnaBridge 126:abea610beb85 40 * __StackLimit
AnnaBridge 126:abea610beb85 41 * __StackTop
AnnaBridge 126:abea610beb85 42 * __stack
AnnaBridge 126:abea610beb85 43 * _estack
AnnaBridge 126:abea610beb85 44 */
AnnaBridge 126:abea610beb85 45 ENTRY(Reset_Handler)
AnnaBridge 126:abea610beb85 46
AnnaBridge 126:abea610beb85 47 SECTIONS
AnnaBridge 126:abea610beb85 48 {
AnnaBridge 126:abea610beb85 49 .text :
AnnaBridge 126:abea610beb85 50 {
AnnaBridge 126:abea610beb85 51 KEEP(*(.isr_vector))
AnnaBridge 126:abea610beb85 52 *(.text*)
AnnaBridge 126:abea610beb85 53 KEEP(*(.init))
AnnaBridge 126:abea610beb85 54 KEEP(*(.fini))
AnnaBridge 126:abea610beb85 55
AnnaBridge 126:abea610beb85 56 /* .ctors */
AnnaBridge 126:abea610beb85 57 *crtbegin.o(.ctors)
AnnaBridge 126:abea610beb85 58 *crtbegin?.o(.ctors)
AnnaBridge 126:abea610beb85 59 *(EXCLUDE_FILE(*crtend?.o *crtend.o) .ctors)
AnnaBridge 126:abea610beb85 60 *(SORT(.ctors.*))
AnnaBridge 126:abea610beb85 61 *(.ctors)
AnnaBridge 126:abea610beb85 62
AnnaBridge 126:abea610beb85 63 /* .dtors */
AnnaBridge 126:abea610beb85 64 *crtbegin.o(.dtors)
AnnaBridge 126:abea610beb85 65 *crtbegin?.o(.dtors)
AnnaBridge 126:abea610beb85 66 *(EXCLUDE_FILE(*crtend?.o *crtend.o) .dtors)
AnnaBridge 126:abea610beb85 67 *(SORT(.dtors.*))
AnnaBridge 126:abea610beb85 68 *(.dtors)
AnnaBridge 126:abea610beb85 69
AnnaBridge 126:abea610beb85 70 *(.rodata*)
AnnaBridge 126:abea610beb85 71
AnnaBridge 126:abea610beb85 72 KEEP(*(.eh_frame*))
AnnaBridge 126:abea610beb85 73 } > FLASH
AnnaBridge 126:abea610beb85 74
AnnaBridge 126:abea610beb85 75 .ARM.extab :
AnnaBridge 126:abea610beb85 76 {
AnnaBridge 126:abea610beb85 77 *(.ARM.extab* .gnu.linkonce.armextab.*)
AnnaBridge 126:abea610beb85 78 } > FLASH
AnnaBridge 126:abea610beb85 79
AnnaBridge 126:abea610beb85 80 __exidx_start = .;
AnnaBridge 126:abea610beb85 81 .ARM.exidx :
AnnaBridge 126:abea610beb85 82 {
AnnaBridge 126:abea610beb85 83 *(.ARM.exidx* .gnu.linkonce.armexidx.*)
AnnaBridge 126:abea610beb85 84 } > FLASH
AnnaBridge 126:abea610beb85 85 __exidx_end = .;
AnnaBridge 126:abea610beb85 86
AnnaBridge 126:abea610beb85 87 __etext = .;
AnnaBridge 126:abea610beb85 88 _sidata = .;
AnnaBridge 126:abea610beb85 89
AnnaBridge 126:abea610beb85 90 .data : AT (__etext)
AnnaBridge 126:abea610beb85 91 {
AnnaBridge 126:abea610beb85 92 __data_start__ = .;
AnnaBridge 126:abea610beb85 93 _sdata = .;
AnnaBridge 126:abea610beb85 94 *(vtable)
AnnaBridge 126:abea610beb85 95 *(.data*)
AnnaBridge 126:abea610beb85 96
AnnaBridge 171:3a7713b1edbc 97 . = ALIGN(8);
AnnaBridge 126:abea610beb85 98 /* preinit data */
AnnaBridge 126:abea610beb85 99 PROVIDE_HIDDEN (__preinit_array_start = .);
AnnaBridge 126:abea610beb85 100 KEEP(*(.preinit_array))
AnnaBridge 126:abea610beb85 101 PROVIDE_HIDDEN (__preinit_array_end = .);
AnnaBridge 126:abea610beb85 102
AnnaBridge 171:3a7713b1edbc 103 . = ALIGN(8);
AnnaBridge 126:abea610beb85 104 /* init data */
AnnaBridge 126:abea610beb85 105 PROVIDE_HIDDEN (__init_array_start = .);
AnnaBridge 126:abea610beb85 106 KEEP(*(SORT(.init_array.*)))
AnnaBridge 126:abea610beb85 107 KEEP(*(.init_array))
AnnaBridge 126:abea610beb85 108 PROVIDE_HIDDEN (__init_array_end = .);
AnnaBridge 126:abea610beb85 109
AnnaBridge 126:abea610beb85 110
AnnaBridge 171:3a7713b1edbc 111 . = ALIGN(8);
AnnaBridge 126:abea610beb85 112 /* finit data */
AnnaBridge 126:abea610beb85 113 PROVIDE_HIDDEN (__fini_array_start = .);
AnnaBridge 126:abea610beb85 114 KEEP(*(SORT(.fini_array.*)))
AnnaBridge 126:abea610beb85 115 KEEP(*(.fini_array))
AnnaBridge 126:abea610beb85 116 PROVIDE_HIDDEN (__fini_array_end = .);
AnnaBridge 126:abea610beb85 117
AnnaBridge 126:abea610beb85 118 KEEP(*(.jcr*))
AnnaBridge 171:3a7713b1edbc 119 . = ALIGN(8);
AnnaBridge 126:abea610beb85 120 /* All data end */
AnnaBridge 126:abea610beb85 121 __data_end__ = .;
AnnaBridge 126:abea610beb85 122 _edata = .;
AnnaBridge 126:abea610beb85 123
AnnaBridge 126:abea610beb85 124 } > RAM
AnnaBridge 126:abea610beb85 125
AnnaBridge 126:abea610beb85 126 .bss :
AnnaBridge 126:abea610beb85 127 {
AnnaBridge 171:3a7713b1edbc 128 . = ALIGN(8);
AnnaBridge 126:abea610beb85 129 __bss_start__ = .;
AnnaBridge 126:abea610beb85 130 _sbss = .;
AnnaBridge 126:abea610beb85 131 *(.bss*)
AnnaBridge 126:abea610beb85 132 *(COMMON)
AnnaBridge 171:3a7713b1edbc 133 . = ALIGN(8);
AnnaBridge 126:abea610beb85 134 __bss_end__ = .;
AnnaBridge 126:abea610beb85 135 _ebss = .;
AnnaBridge 126:abea610beb85 136 } > RAM
AnnaBridge 126:abea610beb85 137
AnnaBridge 126:abea610beb85 138 .heap (COPY):
AnnaBridge 126:abea610beb85 139 {
AnnaBridge 126:abea610beb85 140 __end__ = .;
AnnaBridge 126:abea610beb85 141 end = __end__;
AnnaBridge 126:abea610beb85 142 *(.heap*)
AnnaBridge 126:abea610beb85 143 __HeapLimit = .;
AnnaBridge 126:abea610beb85 144 } > RAM
AnnaBridge 126:abea610beb85 145
AnnaBridge 126:abea610beb85 146 /* .stack_dummy section doesn't contains any symbols. It is only
AnnaBridge 126:abea610beb85 147 * used for linker to calculate size of stack sections, and assign
AnnaBridge 126:abea610beb85 148 * values to stack symbols later */
AnnaBridge 126:abea610beb85 149 .stack_dummy (COPY):
AnnaBridge 126:abea610beb85 150 {
AnnaBridge 126:abea610beb85 151 *(.stack*)
AnnaBridge 126:abea610beb85 152 } > RAM
AnnaBridge 126:abea610beb85 153
AnnaBridge 126:abea610beb85 154 /* Set stack top to end of RAM, and stack limit move down by
AnnaBridge 126:abea610beb85 155 * size of stack_dummy section */
AnnaBridge 126:abea610beb85 156 __StackTop = ORIGIN(RAM) + LENGTH(RAM);
AnnaBridge 126:abea610beb85 157 _estack = __StackTop;
AnnaBridge 126:abea610beb85 158 __StackLimit = __StackTop - SIZEOF(.stack_dummy);
AnnaBridge 126:abea610beb85 159 PROVIDE(__stack = __StackTop);
AnnaBridge 126:abea610beb85 160
AnnaBridge 126:abea610beb85 161 /* Check if data + heap + stack exceeds RAM limit */
AnnaBridge 126:abea610beb85 162 ASSERT(__StackLimit >= __HeapLimit, "region RAM overflowed with stack")
AnnaBridge 126:abea610beb85 163 }
AnnaBridge 126:abea610beb85 164