Ricardo Benitez / mbed

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Fork of mbed by mbed official

TARGET_LPC1114/TOOLCHAIN_GCC_ARM/LPC1114.ld@118:16969dd821af, 2016-04-05 (annotated)

Committer:
ricardobtez
Date:
Tue Apr 05 23:51:21 2016 +0000
Revision:
118:16969dd821af
Parent:
81:7d30d6019079 
dgdgr

Who changed what in which revision?

UserRevisionLine numberNew contents of line
bogdanm 81:7d30d6019079 1 /* Linker script for mbed LPC1114 */
bogdanm 81:7d30d6019079 2
bogdanm 81:7d30d6019079 3 /* Linker script to configure memory regions. */
bogdanm 81:7d30d6019079 4 MEMORY
bogdanm 81:7d30d6019079 5 {
bogdanm 81:7d30d6019079 6 FLASH (rx) : ORIGIN = 0x00000000, LENGTH = 32K
bogdanm 81:7d30d6019079 7 RAM (rwx) : ORIGIN = 0x100000C0, LENGTH = 0x0F40
bogdanm 81:7d30d6019079 8 }
bogdanm 81:7d30d6019079 9
bogdanm 81:7d30d6019079 10 /* Linker script to place sections and symbol values. Should be used together
bogdanm 81:7d30d6019079 11 * with other linker script that defines memory regions FLASH and RAM.
bogdanm 81:7d30d6019079 12 * It references following symbols, which must be defined in code:
bogdanm 81:7d30d6019079 13 * Reset_Handler : Entry of reset handler
bogdanm 81:7d30d6019079 14 *
bogdanm 81:7d30d6019079 15 * It defines following symbols, which code can use without definition:
bogdanm 81:7d30d6019079 16 * __exidx_start
bogdanm 81:7d30d6019079 17 * __exidx_end
bogdanm 81:7d30d6019079 18 * __etext
bogdanm 81:7d30d6019079 19 * __data_start__
bogdanm 81:7d30d6019079 20 * __preinit_array_start
bogdanm 81:7d30d6019079 21 * __preinit_array_end
bogdanm 81:7d30d6019079 22 * __init_array_start
bogdanm 81:7d30d6019079 23 * __init_array_end
bogdanm 81:7d30d6019079 24 * __fini_array_start
bogdanm 81:7d30d6019079 25 * __fini_array_end
bogdanm 81:7d30d6019079 26 * __data_end__
bogdanm 81:7d30d6019079 27 * __bss_start__
bogdanm 81:7d30d6019079 28 * __bss_end__
bogdanm 81:7d30d6019079 29 * __end__
bogdanm 81:7d30d6019079 30 * end
bogdanm 81:7d30d6019079 31 * __HeapLimit
bogdanm 81:7d30d6019079 32 * __StackLimit
bogdanm 81:7d30d6019079 33 * __StackTop
bogdanm 81:7d30d6019079 34 * __stack
bogdanm 81:7d30d6019079 35 */
bogdanm 81:7d30d6019079 36 ENTRY(Reset_Handler)
bogdanm 81:7d30d6019079 37
bogdanm 81:7d30d6019079 38 SECTIONS
bogdanm 81:7d30d6019079 39 {
bogdanm 81:7d30d6019079 40 .text :
bogdanm 81:7d30d6019079 41 {
bogdanm 81:7d30d6019079 42 KEEP(*(.isr_vector))
bogdanm 81:7d30d6019079 43 *(.text.Reset_Handler)
bogdanm 81:7d30d6019079 44 *(.text.SystemInit)
bogdanm 81:7d30d6019079 45 . = 0x200;
bogdanm 81:7d30d6019079 46 *(.text*)
bogdanm 81:7d30d6019079 47
bogdanm 81:7d30d6019079 48 KEEP(*(.init))
bogdanm 81:7d30d6019079 49 KEEP(*(.fini))
bogdanm 81:7d30d6019079 50
bogdanm 81:7d30d6019079 51 /* .ctors */
bogdanm 81:7d30d6019079 52 *crtbegin.o(.ctors)
bogdanm 81:7d30d6019079 53 *crtbegin?.o(.ctors)
bogdanm 81:7d30d6019079 54 *(EXCLUDE_FILE(*crtend?.o *crtend.o) .ctors)
bogdanm 81:7d30d6019079 55 *(SORT(.ctors.*))
bogdanm 81:7d30d6019079 56 *(.ctors)
bogdanm 81:7d30d6019079 57
bogdanm 81:7d30d6019079 58 /* .dtors */
bogdanm 81:7d30d6019079 59 *crtbegin.o(.dtors)
bogdanm 81:7d30d6019079 60 *crtbegin?.o(.dtors)
bogdanm 81:7d30d6019079 61 *(EXCLUDE_FILE(*crtend?.o *crtend.o) .dtors)
bogdanm 81:7d30d6019079 62 *(SORT(.dtors.*))
bogdanm 81:7d30d6019079 63 *(.dtors)
bogdanm 81:7d30d6019079 64
bogdanm 81:7d30d6019079 65 *(.rodata*)
bogdanm 81:7d30d6019079 66
bogdanm 81:7d30d6019079 67 KEEP(*(.eh_frame*))
bogdanm 81:7d30d6019079 68 } > FLASH
bogdanm 81:7d30d6019079 69
bogdanm 81:7d30d6019079 70 .ARM.extab :
bogdanm 81:7d30d6019079 71 {
bogdanm 81:7d30d6019079 72 *(.ARM.extab* .gnu.linkonce.armextab.*)
bogdanm 81:7d30d6019079 73 } > FLASH
bogdanm 81:7d30d6019079 74
bogdanm 81:7d30d6019079 75 __exidx_start = .;
bogdanm 81:7d30d6019079 76 .ARM.exidx :
bogdanm 81:7d30d6019079 77 {
bogdanm 81:7d30d6019079 78 *(.ARM.exidx* .gnu.linkonce.armexidx.*)
bogdanm 81:7d30d6019079 79 } > FLASH
bogdanm 81:7d30d6019079 80 __exidx_end = .;
bogdanm 81:7d30d6019079 81
bogdanm 81:7d30d6019079 82 __etext = .;
bogdanm 81:7d30d6019079 83
bogdanm 81:7d30d6019079 84 .data : AT (__etext)
bogdanm 81:7d30d6019079 85 {
bogdanm 81:7d30d6019079 86 __data_start__ = .;
bogdanm 81:7d30d6019079 87 *(vtable)
bogdanm 81:7d30d6019079 88 *(.data*)
bogdanm 81:7d30d6019079 89
bogdanm 81:7d30d6019079 90 . = ALIGN(4);
bogdanm 81:7d30d6019079 91 /* preinit data */
bogdanm 81:7d30d6019079 92 PROVIDE (__preinit_array_start = .);
bogdanm 81:7d30d6019079 93 KEEP(*(.preinit_array))
bogdanm 81:7d30d6019079 94 PROVIDE (__preinit_array_end = .);
bogdanm 81:7d30d6019079 95
bogdanm 81:7d30d6019079 96 . = ALIGN(4);
bogdanm 81:7d30d6019079 97 /* init data */
bogdanm 81:7d30d6019079 98 PROVIDE (__init_array_start = .);
bogdanm 81:7d30d6019079 99 KEEP(*(SORT(.init_array.*)))
bogdanm 81:7d30d6019079 100 KEEP(*(.init_array))
bogdanm 81:7d30d6019079 101 PROVIDE (__init_array_end = .);
bogdanm 81:7d30d6019079 102
bogdanm 81:7d30d6019079 103
bogdanm 81:7d30d6019079 104 . = ALIGN(4);
bogdanm 81:7d30d6019079 105 /* finit data */
bogdanm 81:7d30d6019079 106 PROVIDE (__fini_array_start = .);
bogdanm 81:7d30d6019079 107 KEEP(*(SORT(.fini_array.*)))
bogdanm 81:7d30d6019079 108 KEEP(*(.fini_array))
bogdanm 81:7d30d6019079 109 PROVIDE (__fini_array_end = .);
bogdanm 81:7d30d6019079 110
bogdanm 81:7d30d6019079 111 . = ALIGN(4);
bogdanm 81:7d30d6019079 112 /* All data end */
bogdanm 81:7d30d6019079 113 __data_end__ = .;
bogdanm 81:7d30d6019079 114
bogdanm 81:7d30d6019079 115 } > RAM
bogdanm 81:7d30d6019079 116
bogdanm 81:7d30d6019079 117 .bss :
bogdanm 81:7d30d6019079 118 {
bogdanm 81:7d30d6019079 119 __bss_start__ = .;
bogdanm 81:7d30d6019079 120 *(.bss*)
bogdanm 81:7d30d6019079 121 *(COMMON)
bogdanm 81:7d30d6019079 122 __bss_end__ = .;
bogdanm 81:7d30d6019079 123 } > RAM
bogdanm 81:7d30d6019079 124
bogdanm 81:7d30d6019079 125 .heap :
bogdanm 81:7d30d6019079 126 {
bogdanm 81:7d30d6019079 127 __end__ = .;
bogdanm 81:7d30d6019079 128 end = __end__;
bogdanm 81:7d30d6019079 129 *(.heap*)
bogdanm 81:7d30d6019079 130 __HeapLimit = .;
bogdanm 81:7d30d6019079 131 } > RAM
bogdanm 81:7d30d6019079 132
bogdanm 81:7d30d6019079 133 /* .stack_dummy section doesn't contains any symbols. It is only
bogdanm 81:7d30d6019079 134 * used for linker to calculate size of stack sections, and assign
bogdanm 81:7d30d6019079 135 * values to stack symbols later */
bogdanm 81:7d30d6019079 136 .stack_dummy :
bogdanm 81:7d30d6019079 137 {
bogdanm 81:7d30d6019079 138 *(.stack)
bogdanm 81:7d30d6019079 139 } > RAM
bogdanm 81:7d30d6019079 140
bogdanm 81:7d30d6019079 141 /* Set stack top to end of RAM, and stack limit move down by
bogdanm 81:7d30d6019079 142 * size of stack_dummy section */
bogdanm 81:7d30d6019079 143 __StackTop = ORIGIN(RAM) + LENGTH(RAM);
bogdanm 81:7d30d6019079 144 __StackLimit = __StackTop - SIZEOF(.stack_dummy);
bogdanm 81:7d30d6019079 145 PROVIDE(__stack = __StackTop);
bogdanm 81:7d30d6019079 146
bogdanm 81:7d30d6019079 147 /* Check if data + heap + stack exceeds RAM limit */
bogdanm 81:7d30d6019079 148 ASSERT(__StackLimit >= __HeapLimit, "region RAM overflowed with stack")
bogdanm 81:7d30d6019079 149 }