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_STM32L072xZ/device/TOOLCHAIN_GCC_ARM/STM32L072XZ.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
AnnaBridge 165:e614a9f1c9e2 1 /* Linker script to configure memory regions. */
AnnaBridge 165:e614a9f1c9e2 2 MEMORY
AnnaBridge 165:e614a9f1c9e2 3 {
AnnaBridge 165:e614a9f1c9e2 4 FLASH (rx) : ORIGIN = 0x08000000, LENGTH = 192k
AnnaBridge 165:e614a9f1c9e2 5 RAM (rwx) : ORIGIN = 0x200000C0, LENGTH = 20K - 0xC0
AnnaBridge 165:e614a9f1c9e2 6 }
AnnaBridge 165:e614a9f1c9e2 7
AnnaBridge 165:e614a9f1c9e2 8 /* Linker script to place sections and symbol values. Should be used together
AnnaBridge 165:e614a9f1c9e2 9 * with other linker script that defines memory regions FLASH and RAM.
AnnaBridge 165:e614a9f1c9e2 10 * It references following symbols, which must be defined in code:
AnnaBridge 165:e614a9f1c9e2 11 * Reset_Handler : Entry of reset handler
AnnaBridge 165:e614a9f1c9e2 12 *
AnnaBridge 165:e614a9f1c9e2 13 * It defines following symbols, which code can use without definition:
AnnaBridge 165:e614a9f1c9e2 14 * __exidx_start
AnnaBridge 165:e614a9f1c9e2 15 * __exidx_end
AnnaBridge 165:e614a9f1c9e2 16 * __etext
AnnaBridge 165:e614a9f1c9e2 17 * __data_start__
AnnaBridge 165:e614a9f1c9e2 18 * __preinit_array_start
AnnaBridge 165:e614a9f1c9e2 19 * __preinit_array_end
AnnaBridge 165:e614a9f1c9e2 20 * __init_array_start
AnnaBridge 165:e614a9f1c9e2 21 * __init_array_end
AnnaBridge 165:e614a9f1c9e2 22 * __fini_array_start
AnnaBridge 165:e614a9f1c9e2 23 * __fini_array_end
AnnaBridge 165:e614a9f1c9e2 24 * __data_end__
AnnaBridge 165:e614a9f1c9e2 25 * __bss_start__
AnnaBridge 165:e614a9f1c9e2 26 * __bss_end__
AnnaBridge 165:e614a9f1c9e2 27 * __end__
AnnaBridge 165:e614a9f1c9e2 28 * end
AnnaBridge 165:e614a9f1c9e2 29 * __HeapLimit
AnnaBridge 165:e614a9f1c9e2 30 * __StackLimit
AnnaBridge 165:e614a9f1c9e2 31 * __StackTop
AnnaBridge 165:e614a9f1c9e2 32 * __stack
AnnaBridge 165:e614a9f1c9e2 33 * _estack
AnnaBridge 165:e614a9f1c9e2 34 */
AnnaBridge 165:e614a9f1c9e2 35 ENTRY(Reset_Handler)
AnnaBridge 165:e614a9f1c9e2 36
AnnaBridge 165:e614a9f1c9e2 37 SECTIONS
AnnaBridge 165:e614a9f1c9e2 38 {
AnnaBridge 165:e614a9f1c9e2 39 .text :
AnnaBridge 165:e614a9f1c9e2 40 {
AnnaBridge 165:e614a9f1c9e2 41 KEEP(*(.isr_vector))
AnnaBridge 165:e614a9f1c9e2 42 *(.text*)
AnnaBridge 165:e614a9f1c9e2 43 KEEP(*(.init))
AnnaBridge 165:e614a9f1c9e2 44 KEEP(*(.fini))
AnnaBridge 165:e614a9f1c9e2 45
AnnaBridge 165:e614a9f1c9e2 46 /* .ctors */
AnnaBridge 165:e614a9f1c9e2 47 *crtbegin.o(.ctors)
AnnaBridge 165:e614a9f1c9e2 48 *crtbegin?.o(.ctors)
AnnaBridge 165:e614a9f1c9e2 49 *(EXCLUDE_FILE(*crtend?.o *crtend.o) .ctors)
AnnaBridge 165:e614a9f1c9e2 50 *(SORT(.ctors.*))
AnnaBridge 165:e614a9f1c9e2 51 *(.ctors)
AnnaBridge 165:e614a9f1c9e2 52
AnnaBridge 165:e614a9f1c9e2 53 /* .dtors */
AnnaBridge 165:e614a9f1c9e2 54 *crtbegin.o(.dtors)
AnnaBridge 165:e614a9f1c9e2 55 *crtbegin?.o(.dtors)
AnnaBridge 165:e614a9f1c9e2 56 *(EXCLUDE_FILE(*crtend?.o *crtend.o) .dtors)
AnnaBridge 165:e614a9f1c9e2 57 *(SORT(.dtors.*))
AnnaBridge 165:e614a9f1c9e2 58 *(.dtors)
AnnaBridge 165:e614a9f1c9e2 59
AnnaBridge 165:e614a9f1c9e2 60 *(.rodata*)
AnnaBridge 165:e614a9f1c9e2 61
AnnaBridge 165:e614a9f1c9e2 62 KEEP(*(.eh_frame*))
AnnaBridge 165:e614a9f1c9e2 63 } > FLASH
AnnaBridge 165:e614a9f1c9e2 64
AnnaBridge 165:e614a9f1c9e2 65 .ARM.extab :
AnnaBridge 165:e614a9f1c9e2 66 {
AnnaBridge 165:e614a9f1c9e2 67 *(.ARM.extab* .gnu.linkonce.armextab.*)
AnnaBridge 165:e614a9f1c9e2 68 } > FLASH
AnnaBridge 165:e614a9f1c9e2 69
AnnaBridge 165:e614a9f1c9e2 70 __exidx_start = .;
AnnaBridge 165:e614a9f1c9e2 71 .ARM.exidx :
AnnaBridge 165:e614a9f1c9e2 72 {
AnnaBridge 165:e614a9f1c9e2 73 *(.ARM.exidx* .gnu.linkonce.armexidx.*)
AnnaBridge 165:e614a9f1c9e2 74 } > FLASH
AnnaBridge 165:e614a9f1c9e2 75 __exidx_end = .;
AnnaBridge 165:e614a9f1c9e2 76
AnnaBridge 165:e614a9f1c9e2 77 __etext = .;
AnnaBridge 165:e614a9f1c9e2 78 _sidata = .;
AnnaBridge 165:e614a9f1c9e2 79
AnnaBridge 165:e614a9f1c9e2 80 .data : AT (__etext)
AnnaBridge 165:e614a9f1c9e2 81 {
AnnaBridge 165:e614a9f1c9e2 82 __data_start__ = .;
AnnaBridge 165:e614a9f1c9e2 83 _sdata = .;
AnnaBridge 165:e614a9f1c9e2 84 *(vtable)
AnnaBridge 165:e614a9f1c9e2 85 *(.data*)
AnnaBridge 165:e614a9f1c9e2 86
AnnaBridge 188:bcfe06ba3d64 87 . = ALIGN(8);
AnnaBridge 165:e614a9f1c9e2 88 /* preinit data */
AnnaBridge 165:e614a9f1c9e2 89 PROVIDE_HIDDEN (__preinit_array_start = .);
AnnaBridge 165:e614a9f1c9e2 90 KEEP(*(.preinit_array))
AnnaBridge 165:e614a9f1c9e2 91 PROVIDE_HIDDEN (__preinit_array_end = .);
AnnaBridge 165:e614a9f1c9e2 92
AnnaBridge 188:bcfe06ba3d64 93 . = ALIGN(8);
AnnaBridge 165:e614a9f1c9e2 94 /* init data */
AnnaBridge 165:e614a9f1c9e2 95 PROVIDE_HIDDEN (__init_array_start = .);
AnnaBridge 165:e614a9f1c9e2 96 KEEP(*(SORT(.init_array.*)))
AnnaBridge 165:e614a9f1c9e2 97 KEEP(*(.init_array))
AnnaBridge 165:e614a9f1c9e2 98 PROVIDE_HIDDEN (__init_array_end = .);
AnnaBridge 165:e614a9f1c9e2 99
AnnaBridge 165:e614a9f1c9e2 100
AnnaBridge 188:bcfe06ba3d64 101 . = ALIGN(8);
AnnaBridge 165:e614a9f1c9e2 102 /* finit data */
AnnaBridge 165:e614a9f1c9e2 103 PROVIDE_HIDDEN (__fini_array_start = .);
AnnaBridge 165:e614a9f1c9e2 104 KEEP(*(SORT(.fini_array.*)))
AnnaBridge 165:e614a9f1c9e2 105 KEEP(*(.fini_array))
AnnaBridge 165:e614a9f1c9e2 106 PROVIDE_HIDDEN (__fini_array_end = .);
AnnaBridge 165:e614a9f1c9e2 107
AnnaBridge 165:e614a9f1c9e2 108 KEEP(*(.jcr*))
AnnaBridge 188:bcfe06ba3d64 109 . = ALIGN(8);
AnnaBridge 165:e614a9f1c9e2 110 /* All data end */
AnnaBridge 165:e614a9f1c9e2 111 __data_end__ = .;
AnnaBridge 165:e614a9f1c9e2 112 _edata = .;
AnnaBridge 165:e614a9f1c9e2 113
AnnaBridge 165:e614a9f1c9e2 114 } > RAM
AnnaBridge 165:e614a9f1c9e2 115
AnnaBridge 165:e614a9f1c9e2 116 .bss :
AnnaBridge 165:e614a9f1c9e2 117 {
AnnaBridge 188:bcfe06ba3d64 118 . = ALIGN(8);
AnnaBridge 165:e614a9f1c9e2 119 __bss_start__ = .;
AnnaBridge 165:e614a9f1c9e2 120 _sbss = .;
AnnaBridge 165:e614a9f1c9e2 121 *(.bss*)
AnnaBridge 165:e614a9f1c9e2 122 *(COMMON)
AnnaBridge 188:bcfe06ba3d64 123 . = ALIGN(8);
AnnaBridge 165:e614a9f1c9e2 124 __bss_end__ = .;
AnnaBridge 165:e614a9f1c9e2 125 _ebss = .;
AnnaBridge 165:e614a9f1c9e2 126 } > RAM
AnnaBridge 165:e614a9f1c9e2 127
AnnaBridge 165:e614a9f1c9e2 128 .heap (COPY):
AnnaBridge 165:e614a9f1c9e2 129 {
AnnaBridge 165:e614a9f1c9e2 130 __end__ = .;
AnnaBridge 165:e614a9f1c9e2 131 end = __end__;
AnnaBridge 165:e614a9f1c9e2 132 *(.heap*)
AnnaBridge 165:e614a9f1c9e2 133 __HeapLimit = .;
AnnaBridge 165:e614a9f1c9e2 134 } > RAM
AnnaBridge 165:e614a9f1c9e2 135
AnnaBridge 165:e614a9f1c9e2 136 /* .stack_dummy section doesn't contains any symbols. It is only
AnnaBridge 165:e614a9f1c9e2 137 * used for linker to calculate size of stack sections, and assign
AnnaBridge 165:e614a9f1c9e2 138 * values to stack symbols later */
AnnaBridge 165:e614a9f1c9e2 139 .stack_dummy (COPY):
AnnaBridge 165:e614a9f1c9e2 140 {
AnnaBridge 165:e614a9f1c9e2 141 *(.stack*)
AnnaBridge 165:e614a9f1c9e2 142 } > RAM
AnnaBridge 165:e614a9f1c9e2 143
AnnaBridge 165:e614a9f1c9e2 144 /* Set stack top to end of RAM, and stack limit move down by
AnnaBridge 165:e614a9f1c9e2 145 * size of stack_dummy section */
AnnaBridge 165:e614a9f1c9e2 146 __StackTop = ORIGIN(RAM) + LENGTH(RAM);
AnnaBridge 165:e614a9f1c9e2 147 _estack = __StackTop;
AnnaBridge 165:e614a9f1c9e2 148 __StackLimit = __StackTop - SIZEOF(.stack_dummy);
AnnaBridge 165:e614a9f1c9e2 149 PROVIDE(__stack = __StackTop);
AnnaBridge 165:e614a9f1c9e2 150
AnnaBridge 165:e614a9f1c9e2 151 /* Check if data + heap + stack exceeds RAM limit */
AnnaBridge 165:e614a9f1c9e2 152 ASSERT(__StackLimit >= __HeapLimit, "region RAM overflowed with stack")
AnnaBridge 165:e614a9f1c9e2 153 }