mbed official / mbed-dev

mbed library sources. Supersedes mbed-src.

Dependents:   Nucleo_Hello_Encoder BLE_iBeaconScan AM1805_DEMO DISCO-F429ZI_ExportTemplate1 ... more

targets/TARGET_STM/TARGET_STM32L0/TARGET_NUCLEO_L031K6/device/TOOLCHAIN_GCC_ARM/STM32L031K6.ld@189:f392fc9709a3, 2019-02-20 (annotated)

Committer:
AnnaBridge
Date:
Wed Feb 20 22:31:08 2019 +0000
Revision:
189:f392fc9709a3
Parent:
188:bcfe06ba3d64 
mbed library release version 165

Who changed what in which revision?

UserRevisionLine numberNew contents of line
mbed_official 114:fe4fe5cfc3a3 1 /* Linker script to configure memory regions. */
mbed_official 114:fe4fe5cfc3a3 2 MEMORY
mbed_official 114:fe4fe5cfc3a3 3 {
mbed_official 114:fe4fe5cfc3a3 4 FLASH (rx) : ORIGIN = 0x08000000, LENGTH = 32k
mbed_official 114:fe4fe5cfc3a3 5 RAM (rwx) : ORIGIN = 0x200000C0, LENGTH = 8K - 0xC0
mbed_official 114:fe4fe5cfc3a3 6 }
mbed_official 114:fe4fe5cfc3a3 7
mbed_official 114:fe4fe5cfc3a3 8 /* Linker script to place sections and symbol values. Should be used together
mbed_official 114:fe4fe5cfc3a3 9 * with other linker script that defines memory regions FLASH and RAM.
mbed_official 114:fe4fe5cfc3a3 10 * It references following symbols, which must be defined in code:
mbed_official 114:fe4fe5cfc3a3 11 * Reset_Handler : Entry of reset handler
mbed_official 114:fe4fe5cfc3a3 12 *
mbed_official 114:fe4fe5cfc3a3 13 * It defines following symbols, which code can use without definition:
mbed_official 114:fe4fe5cfc3a3 14 * __exidx_start
mbed_official 114:fe4fe5cfc3a3 15 * __exidx_end
mbed_official 114:fe4fe5cfc3a3 16 * __etext
mbed_official 114:fe4fe5cfc3a3 17 * __data_start__
mbed_official 114:fe4fe5cfc3a3 18 * __preinit_array_start
mbed_official 114:fe4fe5cfc3a3 19 * __preinit_array_end
mbed_official 114:fe4fe5cfc3a3 20 * __init_array_start
mbed_official 114:fe4fe5cfc3a3 21 * __init_array_end
mbed_official 114:fe4fe5cfc3a3 22 * __fini_array_start
mbed_official 114:fe4fe5cfc3a3 23 * __fini_array_end
mbed_official 114:fe4fe5cfc3a3 24 * __data_end__
mbed_official 114:fe4fe5cfc3a3 25 * __bss_start__
mbed_official 114:fe4fe5cfc3a3 26 * __bss_end__
mbed_official 114:fe4fe5cfc3a3 27 * __end__
mbed_official 114:fe4fe5cfc3a3 28 * end
mbed_official 114:fe4fe5cfc3a3 29 * __HeapLimit
mbed_official 114:fe4fe5cfc3a3 30 * __StackLimit
mbed_official 114:fe4fe5cfc3a3 31 * __StackTop
mbed_official 114:fe4fe5cfc3a3 32 * __stack
mbed_official 114:fe4fe5cfc3a3 33 * _estack
mbed_official 114:fe4fe5cfc3a3 34 */
mbed_official 114:fe4fe5cfc3a3 35 ENTRY(Reset_Handler)
mbed_official 114:fe4fe5cfc3a3 36
mbed_official 114:fe4fe5cfc3a3 37 SECTIONS
mbed_official 114:fe4fe5cfc3a3 38 {
mbed_official 114:fe4fe5cfc3a3 39 .text :
mbed_official 114:fe4fe5cfc3a3 40 {
mbed_official 114:fe4fe5cfc3a3 41 KEEP(*(.isr_vector))
mbed_official 114:fe4fe5cfc3a3 42 *(.text*)
mbed_official 114:fe4fe5cfc3a3 43 KEEP(*(.init))
mbed_official 114:fe4fe5cfc3a3 44 KEEP(*(.fini))
mbed_official 114:fe4fe5cfc3a3 45
mbed_official 114:fe4fe5cfc3a3 46 /* .ctors */
mbed_official 114:fe4fe5cfc3a3 47 *crtbegin.o(.ctors)
mbed_official 114:fe4fe5cfc3a3 48 *crtbegin?.o(.ctors)
mbed_official 114:fe4fe5cfc3a3 49 *(EXCLUDE_FILE(*crtend?.o *crtend.o) .ctors)
mbed_official 114:fe4fe5cfc3a3 50 *(SORT(.ctors.*))
mbed_official 114:fe4fe5cfc3a3 51 *(.ctors)
mbed_official 114:fe4fe5cfc3a3 52
mbed_official 114:fe4fe5cfc3a3 53 /* .dtors */
mbed_official 114:fe4fe5cfc3a3 54 *crtbegin.o(.dtors)
mbed_official 114:fe4fe5cfc3a3 55 *crtbegin?.o(.dtors)
mbed_official 114:fe4fe5cfc3a3 56 *(EXCLUDE_FILE(*crtend?.o *crtend.o) .dtors)
mbed_official 114:fe4fe5cfc3a3 57 *(SORT(.dtors.*))
mbed_official 114:fe4fe5cfc3a3 58 *(.dtors)
mbed_official 114:fe4fe5cfc3a3 59
mbed_official 114:fe4fe5cfc3a3 60 *(.rodata*)
mbed_official 114:fe4fe5cfc3a3 61
mbed_official 114:fe4fe5cfc3a3 62 KEEP(*(.eh_frame*))
mbed_official 114:fe4fe5cfc3a3 63 } > FLASH
mbed_official 114:fe4fe5cfc3a3 64
mbed_official 114:fe4fe5cfc3a3 65 .ARM.extab :
mbed_official 114:fe4fe5cfc3a3 66 {
mbed_official 114:fe4fe5cfc3a3 67 *(.ARM.extab* .gnu.linkonce.armextab.*)
mbed_official 114:fe4fe5cfc3a3 68 } > FLASH
mbed_official 114:fe4fe5cfc3a3 69
mbed_official 114:fe4fe5cfc3a3 70 __exidx_start = .;
mbed_official 114:fe4fe5cfc3a3 71 .ARM.exidx :
mbed_official 114:fe4fe5cfc3a3 72 {
mbed_official 114:fe4fe5cfc3a3 73 *(.ARM.exidx* .gnu.linkonce.armexidx.*)
mbed_official 114:fe4fe5cfc3a3 74 } > FLASH
mbed_official 114:fe4fe5cfc3a3 75 __exidx_end = .;
mbed_official 114:fe4fe5cfc3a3 76
mbed_official 114:fe4fe5cfc3a3 77 __etext = .;
mbed_official 114:fe4fe5cfc3a3 78 _sidata = .;
mbed_official 114:fe4fe5cfc3a3 79
mbed_official 114:fe4fe5cfc3a3 80 .data : AT (__etext)
mbed_official 114:fe4fe5cfc3a3 81 {
mbed_official 114:fe4fe5cfc3a3 82 __data_start__ = .;
mbed_official 114:fe4fe5cfc3a3 83 _sdata = .;
mbed_official 114:fe4fe5cfc3a3 84 *(vtable)
mbed_official 114:fe4fe5cfc3a3 85 *(.data*)
mbed_official 114:fe4fe5cfc3a3 86
AnnaBridge 188:bcfe06ba3d64 87 . = ALIGN(8);
mbed_official 114:fe4fe5cfc3a3 88 /* preinit data */
mbed_official 114:fe4fe5cfc3a3 89 PROVIDE_HIDDEN (__preinit_array_start = .);
mbed_official 114:fe4fe5cfc3a3 90 KEEP(*(.preinit_array))
mbed_official 114:fe4fe5cfc3a3 91 PROVIDE_HIDDEN (__preinit_array_end = .);
mbed_official 114:fe4fe5cfc3a3 92
AnnaBridge 188:bcfe06ba3d64 93 . = ALIGN(8);
mbed_official 114:fe4fe5cfc3a3 94 /* init data */
mbed_official 114:fe4fe5cfc3a3 95 PROVIDE_HIDDEN (__init_array_start = .);
mbed_official 114:fe4fe5cfc3a3 96 KEEP(*(SORT(.init_array.*)))
mbed_official 114:fe4fe5cfc3a3 97 KEEP(*(.init_array))
mbed_official 114:fe4fe5cfc3a3 98 PROVIDE_HIDDEN (__init_array_end = .);
mbed_official 114:fe4fe5cfc3a3 99
mbed_official 114:fe4fe5cfc3a3 100
AnnaBridge 188:bcfe06ba3d64 101 . = ALIGN(8);
mbed_official 114:fe4fe5cfc3a3 102 /* finit data */
mbed_official 114:fe4fe5cfc3a3 103 PROVIDE_HIDDEN (__fini_array_start = .);
mbed_official 114:fe4fe5cfc3a3 104 KEEP(*(SORT(.fini_array.*)))
mbed_official 114:fe4fe5cfc3a3 105 KEEP(*(.fini_array))
mbed_official 114:fe4fe5cfc3a3 106 PROVIDE_HIDDEN (__fini_array_end = .);
mbed_official 114:fe4fe5cfc3a3 107
mbed_official 114:fe4fe5cfc3a3 108 KEEP(*(.jcr*))
AnnaBridge 188:bcfe06ba3d64 109 . = ALIGN(8);
mbed_official 114:fe4fe5cfc3a3 110 /* All data end */
mbed_official 114:fe4fe5cfc3a3 111 __data_end__ = .;
mbed_official 114:fe4fe5cfc3a3 112 _edata = .;
mbed_official 114:fe4fe5cfc3a3 113
mbed_official 114:fe4fe5cfc3a3 114 } > RAM
mbed_official 114:fe4fe5cfc3a3 115
mbed_official 114:fe4fe5cfc3a3 116 .bss :
mbed_official 114:fe4fe5cfc3a3 117 {
AnnaBridge 188:bcfe06ba3d64 118 . = ALIGN(8);
mbed_official 114:fe4fe5cfc3a3 119 __bss_start__ = .;
mbed_official 114:fe4fe5cfc3a3 120 _sbss = .;
mbed_official 114:fe4fe5cfc3a3 121 *(.bss*)
mbed_official 114:fe4fe5cfc3a3 122 *(COMMON)
AnnaBridge 188:bcfe06ba3d64 123 . = ALIGN(8);
mbed_official 114:fe4fe5cfc3a3 124 __bss_end__ = .;
mbed_official 114:fe4fe5cfc3a3 125 _ebss = .;
mbed_official 114:fe4fe5cfc3a3 126 } > RAM
mbed_official 114:fe4fe5cfc3a3 127
mbed_official 114:fe4fe5cfc3a3 128 .heap (COPY):
mbed_official 114:fe4fe5cfc3a3 129 {
mbed_official 114:fe4fe5cfc3a3 130 __end__ = .;
mbed_official 114:fe4fe5cfc3a3 131 end = __end__;
mbed_official 114:fe4fe5cfc3a3 132 *(.heap*)
mbed_official 114:fe4fe5cfc3a3 133 __HeapLimit = .;
mbed_official 114:fe4fe5cfc3a3 134 } > RAM
mbed_official 114:fe4fe5cfc3a3 135
mbed_official 114:fe4fe5cfc3a3 136 /* .stack_dummy section doesn't contains any symbols. It is only
mbed_official 114:fe4fe5cfc3a3 137 * used for linker to calculate size of stack sections, and assign
mbed_official 114:fe4fe5cfc3a3 138 * values to stack symbols later */
mbed_official 114:fe4fe5cfc3a3 139 .stack_dummy (COPY):
mbed_official 114:fe4fe5cfc3a3 140 {
mbed_official 114:fe4fe5cfc3a3 141 *(.stack*)
mbed_official 114:fe4fe5cfc3a3 142 } > RAM
mbed_official 114:fe4fe5cfc3a3 143
mbed_official 114:fe4fe5cfc3a3 144 /* Set stack top to end of RAM, and stack limit move down by
mbed_official 114:fe4fe5cfc3a3 145 * size of stack_dummy section */
mbed_official 114:fe4fe5cfc3a3 146 __StackTop = ORIGIN(RAM) + LENGTH(RAM);
mbed_official 114:fe4fe5cfc3a3 147 _estack = __StackTop;
mbed_official 114:fe4fe5cfc3a3 148 __StackLimit = __StackTop - SIZEOF(.stack_dummy);
mbed_official 114:fe4fe5cfc3a3 149 PROVIDE(__stack = __StackTop);
mbed_official 114:fe4fe5cfc3a3 150
mbed_official 114:fe4fe5cfc3a3 151 /* Check if data + heap + stack exceeds RAM limit */
mbed_official 114:fe4fe5cfc3a3 152 ASSERT(__StackLimit >= __HeapLimit, "region RAM overflowed with stack")
mbed_official 114:fe4fe5cfc3a3 153 }