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TARGET_LPC11U35_401/TOOLCHAIN_GCC_ARM/LPC11U35.ld@135:fce8a9387ed1, 2017-01-17 (annotated)

Committer:
kaoshen
Date:
Tue Jan 17 23:27:32 2017 +0000
Revision:
135:fce8a9387ed1
Parent:
81:7d30d6019079 
333 ADS1115 ADC1

Who changed what in which revision?

UserRevisionLine numberNew contents of line
bogdanm 81:7d30d6019079 1 /* Linker script to configure memory regions. */
bogdanm 81:7d30d6019079 2 MEMORY
bogdanm 81:7d30d6019079 3 {
bogdanm 81:7d30d6019079 4 FLASH (rx) : ORIGIN = 0x00000000, LENGTH = 64K
bogdanm 81:7d30d6019079 5 RAM (rwx) : ORIGIN = 0x100000C0, LENGTH = 0x1F40
bogdanm 81:7d30d6019079 6 USB_RAM (rwx): ORIGIN = 0x20004000, LENGTH = 0x800
bogdanm 81:7d30d6019079 7 }
bogdanm 81:7d30d6019079 8
bogdanm 81:7d30d6019079 9 /* Linker script to place sections and symbol values. Should be used together
bogdanm 81:7d30d6019079 10 * with other linker script that defines memory regions FLASH and RAM.
bogdanm 81:7d30d6019079 11 * It references following symbols, which must be defined in code:
bogdanm 81:7d30d6019079 12 * Reset_Handler : Entry of reset handler
bogdanm 81:7d30d6019079 13 *
bogdanm 81:7d30d6019079 14 * It defines following symbols, which code can use without definition:
bogdanm 81:7d30d6019079 15 * __exidx_start
bogdanm 81:7d30d6019079 16 * __exidx_end
bogdanm 81:7d30d6019079 17 * __etext
bogdanm 81:7d30d6019079 18 * __data_start__
bogdanm 81:7d30d6019079 19 * __preinit_array_start
bogdanm 81:7d30d6019079 20 * __preinit_array_end
bogdanm 81:7d30d6019079 21 * __init_array_start
bogdanm 81:7d30d6019079 22 * __init_array_end
bogdanm 81:7d30d6019079 23 * __fini_array_start
bogdanm 81:7d30d6019079 24 * __fini_array_end
bogdanm 81:7d30d6019079 25 * __data_end__
bogdanm 81:7d30d6019079 26 * __bss_start__
bogdanm 81:7d30d6019079 27 * __bss_end__
bogdanm 81:7d30d6019079 28 * __end__
bogdanm 81:7d30d6019079 29 * end
bogdanm 81:7d30d6019079 30 * __HeapLimit
bogdanm 81:7d30d6019079 31 * __StackLimit
bogdanm 81:7d30d6019079 32 * __StackTop
bogdanm 81:7d30d6019079 33 * __stack
bogdanm 81:7d30d6019079 34 */
bogdanm 81:7d30d6019079 35 ENTRY(Reset_Handler)
bogdanm 81:7d30d6019079 36
bogdanm 81:7d30d6019079 37 SECTIONS
bogdanm 81:7d30d6019079 38 {
bogdanm 81:7d30d6019079 39 .text :
bogdanm 81:7d30d6019079 40 {
bogdanm 81:7d30d6019079 41 KEEP(*(.isr_vector))
bogdanm 81:7d30d6019079 42 *(.text.Reset_Handler)
bogdanm 81:7d30d6019079 43
bogdanm 81:7d30d6019079 44 /* Only vectors and code running at reset are safe to be in first 512
bogdanm 81:7d30d6019079 45 bytes since RAM can be mapped into this area for RAM based interrupt
bogdanm 81:7d30d6019079 46 vectors. */
bogdanm 81:7d30d6019079 47 . = 0x00000200;
bogdanm 81:7d30d6019079 48 *(.text*)
bogdanm 81:7d30d6019079 49
bogdanm 81:7d30d6019079 50 KEEP(*(.init))
bogdanm 81:7d30d6019079 51 KEEP(*(.fini))
bogdanm 81:7d30d6019079 52
bogdanm 81:7d30d6019079 53 /* .ctors */
bogdanm 81:7d30d6019079 54 *crtbegin.o(.ctors)
bogdanm 81:7d30d6019079 55 *crtbegin?.o(.ctors)
bogdanm 81:7d30d6019079 56 *(EXCLUDE_FILE(*crtend?.o *crtend.o) .ctors)
bogdanm 81:7d30d6019079 57 *(SORT(.ctors.*))
bogdanm 81:7d30d6019079 58 *(.ctors)
bogdanm 81:7d30d6019079 59
bogdanm 81:7d30d6019079 60 /* .dtors */
bogdanm 81:7d30d6019079 61 *crtbegin.o(.dtors)
bogdanm 81:7d30d6019079 62 *crtbegin?.o(.dtors)
bogdanm 81:7d30d6019079 63 *(EXCLUDE_FILE(*crtend?.o *crtend.o) .dtors)
bogdanm 81:7d30d6019079 64 *(SORT(.dtors.*))
bogdanm 81:7d30d6019079 65 *(.dtors)
bogdanm 81:7d30d6019079 66
bogdanm 81:7d30d6019079 67 *(.rodata*)
bogdanm 81:7d30d6019079 68
bogdanm 81:7d30d6019079 69 KEEP(*(.eh_frame*))
bogdanm 81:7d30d6019079 70 } > FLASH
bogdanm 81:7d30d6019079 71
bogdanm 81:7d30d6019079 72 .ARM.extab :
bogdanm 81:7d30d6019079 73 {
bogdanm 81:7d30d6019079 74 *(.ARM.extab* .gnu.linkonce.armextab.*)
bogdanm 81:7d30d6019079 75 } > FLASH
bogdanm 81:7d30d6019079 76
bogdanm 81:7d30d6019079 77 __exidx_start = .;
bogdanm 81:7d30d6019079 78 .ARM.exidx :
bogdanm 81:7d30d6019079 79 {
bogdanm 81:7d30d6019079 80 *(.ARM.exidx* .gnu.linkonce.armexidx.*)
bogdanm 81:7d30d6019079 81 } > FLASH
bogdanm 81:7d30d6019079 82 __exidx_end = .;
bogdanm 81:7d30d6019079 83
bogdanm 81:7d30d6019079 84 __etext = .;
bogdanm 81:7d30d6019079 85
bogdanm 81:7d30d6019079 86 .data : AT (__etext)
bogdanm 81:7d30d6019079 87 {
bogdanm 81:7d30d6019079 88 __data_start__ = .;
bogdanm 81:7d30d6019079 89 *(vtable)
bogdanm 81:7d30d6019079 90 *(.data*)
bogdanm 81:7d30d6019079 91
bogdanm 81:7d30d6019079 92 . = ALIGN(4);
bogdanm 81:7d30d6019079 93 /* preinit data */
bogdanm 81:7d30d6019079 94 PROVIDE (__preinit_array_start = .);
bogdanm 81:7d30d6019079 95 KEEP(*(.preinit_array))
bogdanm 81:7d30d6019079 96 PROVIDE (__preinit_array_end = .);
bogdanm 81:7d30d6019079 97
bogdanm 81:7d30d6019079 98 . = ALIGN(4);
bogdanm 81:7d30d6019079 99 /* init data */
bogdanm 81:7d30d6019079 100 PROVIDE (__init_array_start = .);
bogdanm 81:7d30d6019079 101 KEEP(*(SORT(.init_array.*)))
bogdanm 81:7d30d6019079 102 KEEP(*(.init_array))
bogdanm 81:7d30d6019079 103 PROVIDE (__init_array_end = .);
bogdanm 81:7d30d6019079 104
bogdanm 81:7d30d6019079 105
bogdanm 81:7d30d6019079 106 . = ALIGN(4);
bogdanm 81:7d30d6019079 107 /* finit data */
bogdanm 81:7d30d6019079 108 PROVIDE (__fini_array_start = .);
bogdanm 81:7d30d6019079 109 KEEP(*(SORT(.fini_array.*)))
bogdanm 81:7d30d6019079 110 KEEP(*(.fini_array))
bogdanm 81:7d30d6019079 111 PROVIDE (__fini_array_end = .);
bogdanm 81:7d30d6019079 112
bogdanm 81:7d30d6019079 113 . = ALIGN(4);
bogdanm 81:7d30d6019079 114 /* All data end */
bogdanm 81:7d30d6019079 115 __data_end__ = .;
bogdanm 81:7d30d6019079 116
bogdanm 81:7d30d6019079 117 } > RAM
bogdanm 81:7d30d6019079 118
bogdanm 81:7d30d6019079 119 .bss :
bogdanm 81:7d30d6019079 120 {
bogdanm 81:7d30d6019079 121 __bss_start__ = .;
bogdanm 81:7d30d6019079 122 *(.bss*)
bogdanm 81:7d30d6019079 123 *(COMMON)
bogdanm 81:7d30d6019079 124 __bss_end__ = .;
bogdanm 81:7d30d6019079 125 } > RAM
bogdanm 81:7d30d6019079 126
bogdanm 81:7d30d6019079 127 .heap :
bogdanm 81:7d30d6019079 128 {
bogdanm 81:7d30d6019079 129 __end__ = .;
bogdanm 81:7d30d6019079 130 end = __end__;
bogdanm 81:7d30d6019079 131 *(.heap*)
bogdanm 81:7d30d6019079 132 __HeapLimit = .;
bogdanm 81:7d30d6019079 133 } > RAM
bogdanm 81:7d30d6019079 134
bogdanm 81:7d30d6019079 135 /* .stack_dummy section doesn't contains any symbols. It is only
bogdanm 81:7d30d6019079 136 * used for linker to calculate size of stack sections, and assign
bogdanm 81:7d30d6019079 137 * values to stack symbols later */
bogdanm 81:7d30d6019079 138 .stack_dummy :
bogdanm 81:7d30d6019079 139 {
bogdanm 81:7d30d6019079 140 *(.stack)
bogdanm 81:7d30d6019079 141 } > RAM
bogdanm 81:7d30d6019079 142
bogdanm 81:7d30d6019079 143 /* Set stack top to end of RAM, and stack limit move down by
bogdanm 81:7d30d6019079 144 * size of stack_dummy section */
bogdanm 81:7d30d6019079 145 __StackTop = ORIGIN(RAM) + LENGTH(RAM);
bogdanm 81:7d30d6019079 146 __StackLimit = __StackTop - SIZEOF(.stack_dummy);
bogdanm 81:7d30d6019079 147 PROVIDE(__stack = __StackTop);
bogdanm 81:7d30d6019079 148
bogdanm 81:7d30d6019079 149 /* Check if data + heap + stack exceeds RAM limit */
bogdanm 81:7d30d6019079 150 ASSERT(__StackLimit >= __HeapLimit, "region RAM overflowed with stack")
bogdanm 81:7d30d6019079 151 }