mbed official / mbed

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

Dependents:   hello SerialTestv11 SerialTestv12 Sierpinski ... more

mbed 2

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

TARGET_WIZWIKI_W7500ECO/TOOLCHAIN_GCC_ARM/W7500.ld@169:a7c7b631e539, 2018-06-22 (annotated)

Committer:
Anna Bridge
Date:
Fri Jun 22 15:38:59 2018 +0100
Revision:
169:a7c7b631e539
Parent:
143:86740a56073b
Child:
171:3a7713b1edbc
mbed library. Release version 162

Who changed what in which revision?

UserRevisionLine numberNew contents of line
AnnaBridge 143:86740a56073b 1 /* Linker script to configure memory regions. */
AnnaBridge 143:86740a56073b 2 MEMORY
AnnaBridge 143:86740a56073b 3 {
AnnaBridge 143:86740a56073b 4 FLASH (rx) : ORIGIN = 0x0, LENGTH = 0x20000 /* 128K */
AnnaBridge 143:86740a56073b 5 RAM (rwx) : ORIGIN = 0x20000000, LENGTH = 0x4000 /* 16K */
AnnaBridge 143:86740a56073b 6 }
AnnaBridge 143:86740a56073b 7
AnnaBridge 143:86740a56073b 8 /* Library configurations */
AnnaBridge 143:86740a56073b 9 GROUP(libgcc.a libc.a libm.a libnosys.a)
AnnaBridge 143:86740a56073b 10
AnnaBridge 143:86740a56073b 11 /* Linker script to place sections and symbol values. Should be used together
AnnaBridge 143:86740a56073b 12 * with other linker script that defines memory regions FLASH and RAM.
AnnaBridge 143:86740a56073b 13 * It references following symbols, which must be defined in code:
AnnaBridge 143:86740a56073b 14 * Reset_Handler : Entry of reset handler
AnnaBridge 143:86740a56073b 15 *
AnnaBridge 143:86740a56073b 16 * It defines following symbols, which code can use without definition:
AnnaBridge 143:86740a56073b 17 * __exidx_start
AnnaBridge 143:86740a56073b 18 * __exidx_end
AnnaBridge 143:86740a56073b 19 * __etext
AnnaBridge 143:86740a56073b 20 * __data_start__
AnnaBridge 143:86740a56073b 21 * __preinit_array_start
AnnaBridge 143:86740a56073b 22 * __preinit_array_end
AnnaBridge 143:86740a56073b 23 * __init_array_start
AnnaBridge 143:86740a56073b 24 * __init_array_end
AnnaBridge 143:86740a56073b 25 * __fini_array_start
AnnaBridge 143:86740a56073b 26 * __fini_array_end
AnnaBridge 143:86740a56073b 27 * __data_end__
AnnaBridge 143:86740a56073b 28 * __bss_start__
AnnaBridge 143:86740a56073b 29 * __bss_end__
AnnaBridge 143:86740a56073b 30 * __end__
AnnaBridge 143:86740a56073b 31 * end
AnnaBridge 143:86740a56073b 32 * __HeapLimit
AnnaBridge 143:86740a56073b 33 * __StackLimit
AnnaBridge 143:86740a56073b 34 * __StackTop
AnnaBridge 143:86740a56073b 35 * __stack
AnnaBridge 143:86740a56073b 36 */
AnnaBridge 143:86740a56073b 37 ENTRY(Reset_Handler)
AnnaBridge 143:86740a56073b 38
AnnaBridge 143:86740a56073b 39 SECTIONS
AnnaBridge 143:86740a56073b 40 {
AnnaBridge 143:86740a56073b 41 .text :
AnnaBridge 143:86740a56073b 42 {
AnnaBridge 143:86740a56073b 43 KEEP(*(.isr_vector))
AnnaBridge 143:86740a56073b 44 *(.text*)
AnnaBridge 143:86740a56073b 45
AnnaBridge 143:86740a56073b 46 KEEP(*(.init))
AnnaBridge 143:86740a56073b 47 KEEP(*(.fini))
AnnaBridge 143:86740a56073b 48
AnnaBridge 143:86740a56073b 49 /* .ctors */
AnnaBridge 143:86740a56073b 50 *crtbegin.o(.ctors)
AnnaBridge 143:86740a56073b 51 *crtbegin?.o(.ctors)
AnnaBridge 143:86740a56073b 52 *(EXCLUDE_FILE(*crtend?.o *crtend.o) .ctors)
AnnaBridge 143:86740a56073b 53 *(SORT(.ctors.*))
AnnaBridge 143:86740a56073b 54 *(.ctors)
AnnaBridge 143:86740a56073b 55
AnnaBridge 143:86740a56073b 56 /* .dtors */
AnnaBridge 143:86740a56073b 57 *crtbegin.o(.dtors)
AnnaBridge 143:86740a56073b 58 *crtbegin?.o(.dtors)
AnnaBridge 143:86740a56073b 59 *(EXCLUDE_FILE(*crtend?.o *crtend.o) .dtors)
AnnaBridge 143:86740a56073b 60 *(SORT(.dtors.*))
AnnaBridge 143:86740a56073b 61 *(.dtors)
AnnaBridge 143:86740a56073b 62
AnnaBridge 143:86740a56073b 63 *(.rodata*)
AnnaBridge 143:86740a56073b 64
AnnaBridge 143:86740a56073b 65 KEEP(*(.eh_frame*))
AnnaBridge 143:86740a56073b 66 } > FLASH
AnnaBridge 143:86740a56073b 67
AnnaBridge 143:86740a56073b 68 .ARM.extab :
AnnaBridge 143:86740a56073b 69 {
AnnaBridge 143:86740a56073b 70 *(.ARM.extab* .gnu.linkonce.armextab.*)
AnnaBridge 143:86740a56073b 71 } > FLASH
AnnaBridge 143:86740a56073b 72
AnnaBridge 143:86740a56073b 73 __exidx_start = .;
AnnaBridge 143:86740a56073b 74 .ARM.exidx :
AnnaBridge 143:86740a56073b 75 {
AnnaBridge 143:86740a56073b 76 *(.ARM.exidx* .gnu.linkonce.armexidx.*)
AnnaBridge 143:86740a56073b 77 } > FLASH
AnnaBridge 143:86740a56073b 78 __exidx_end = .;
AnnaBridge 143:86740a56073b 79
AnnaBridge 143:86740a56073b 80 __etext = .;
AnnaBridge 143:86740a56073b 81
AnnaBridge 143:86740a56073b 82 .data : AT (__etext)
AnnaBridge 143:86740a56073b 83 {
AnnaBridge 143:86740a56073b 84 __data_start__ = .;
AnnaBridge 143:86740a56073b 85 *(vtable)
AnnaBridge 143:86740a56073b 86 *(.data*)
AnnaBridge 143:86740a56073b 87
AnnaBridge 143:86740a56073b 88 . = ALIGN(4);
AnnaBridge 143:86740a56073b 89 /* preinit data */
AnnaBridge 143:86740a56073b 90 PROVIDE_HIDDEN (__preinit_array_start = .);
AnnaBridge 143:86740a56073b 91 KEEP(*(.preinit_array))
AnnaBridge 143:86740a56073b 92 PROVIDE_HIDDEN (__preinit_array_end = .);
AnnaBridge 143:86740a56073b 93
AnnaBridge 143:86740a56073b 94 . = ALIGN(4);
AnnaBridge 143:86740a56073b 95 /* init data */
AnnaBridge 143:86740a56073b 96 PROVIDE_HIDDEN (__init_array_start = .);
AnnaBridge 143:86740a56073b 97 KEEP(*(SORT(.init_array.*)))
AnnaBridge 143:86740a56073b 98 KEEP(*(.init_array))
AnnaBridge 143:86740a56073b 99 PROVIDE_HIDDEN (__init_array_end = .);
AnnaBridge 143:86740a56073b 100
AnnaBridge 143:86740a56073b 101
AnnaBridge 143:86740a56073b 102 . = ALIGN(4);
AnnaBridge 143:86740a56073b 103 /* finit data */
AnnaBridge 143:86740a56073b 104 PROVIDE_HIDDEN (__fini_array_start = .);
AnnaBridge 143:86740a56073b 105 KEEP(*(SORT(.fini_array.*)))
AnnaBridge 143:86740a56073b 106 KEEP(*(.fini_array))
AnnaBridge 143:86740a56073b 107 PROVIDE_HIDDEN (__fini_array_end = .);
AnnaBridge 143:86740a56073b 108
AnnaBridge 143:86740a56073b 109 KEEP(*(.jcr*))
AnnaBridge 143:86740a56073b 110 . = ALIGN(4);
AnnaBridge 143:86740a56073b 111 /* All data end */
AnnaBridge 143:86740a56073b 112 __data_end__ = .;
AnnaBridge 143:86740a56073b 113
AnnaBridge 143:86740a56073b 114 } > RAM
AnnaBridge 143:86740a56073b 115
AnnaBridge 143:86740a56073b 116 .bss :
AnnaBridge 143:86740a56073b 117 {
AnnaBridge 143:86740a56073b 118 . = ALIGN(4);
AnnaBridge 143:86740a56073b 119 __bss_start__ = .;
AnnaBridge 143:86740a56073b 120 *(.bss*)
AnnaBridge 143:86740a56073b 121 *(COMMON)
AnnaBridge 143:86740a56073b 122 . = ALIGN(4);
AnnaBridge 143:86740a56073b 123 __bss_end__ = .;
AnnaBridge 143:86740a56073b 124 } > RAM
AnnaBridge 143:86740a56073b 125
AnnaBridge 143:86740a56073b 126 .heap (COPY):
AnnaBridge 143:86740a56073b 127 {
AnnaBridge 143:86740a56073b 128 __end__ = .;
AnnaBridge 143:86740a56073b 129 end = __end__;
AnnaBridge 143:86740a56073b 130 *(.heap*)
AnnaBridge 143:86740a56073b 131 __HeapLimit = .;
AnnaBridge 143:86740a56073b 132 } > RAM
AnnaBridge 143:86740a56073b 133
AnnaBridge 143:86740a56073b 134 /* .stack_dummy section doesn't contains any symbols. It is only
AnnaBridge 143:86740a56073b 135 * used for linker to calculate size of stack sections, and assign
AnnaBridge 143:86740a56073b 136 * values to stack symbols later */
AnnaBridge 143:86740a56073b 137 .stack_dummy (COPY):
AnnaBridge 143:86740a56073b 138 {
AnnaBridge 143:86740a56073b 139 *(.stack*)
AnnaBridge 143:86740a56073b 140 } > RAM
AnnaBridge 143:86740a56073b 141
AnnaBridge 143:86740a56073b 142
AnnaBridge 143:86740a56073b 143 /* Set stack top to end of RAM, and stack limit move down by
AnnaBridge 143:86740a56073b 144 * size of stack_dummy section */
AnnaBridge 143:86740a56073b 145 __StackTop = ORIGIN(RAM) + LENGTH(RAM);
AnnaBridge 143:86740a56073b 146 __StackLimit = __StackTop - SIZEOF(.stack_dummy);
AnnaBridge 143:86740a56073b 147 PROVIDE(__stack = __StackTop);
AnnaBridge 143:86740a56073b 148
AnnaBridge 143:86740a56073b 149 /* Check if data + heap + stack exceeds RAM limit */
AnnaBridge 143:86740a56073b 150 ASSERT(__StackLimit >= __HeapLimit, "region RAM overflowed with stack")
AnnaBridge 143:86740a56073b 151 }
AnnaBridge 143:86740a56073b 152