Eric Lewiston / mbed-src

mbed library sources

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targets/cmsis/TARGET_NXP/TARGET_LPC81X/TARGET_LPC810/TOOLCHAIN_GCC_ARM/LPC810.ld@614:9d86c2ae5de0, 2015-09-01 (annotated)

Committer:
mbed_official
Date:
Tue Sep 01 16:00:09 2015 +0100
Revision:
614:9d86c2ae5de0
Synchronized with git revision 483bb0197fd032956a31330bd6c6eb50758f2dda



Full URL: https://github.com/mbedmicro/mbed/commit/483bb0197fd032956a31330bd6c6eb50758f2dda/



LPC81X: reduce code size and add ARM_GCC support

Who changed what in which revision?

UserRevisionLine numberNew contents of line
mbed_official 614:9d86c2ae5de0 1 /* Linker script for mbed LPC810-GCC-ARM based on LPC824.ld */
mbed_official 614:9d86c2ae5de0 2
mbed_official 614:9d86c2ae5de0 3 /* Linker script to configure memory regions. */
mbed_official 614:9d86c2ae5de0 4 MEMORY
mbed_official 614:9d86c2ae5de0 5 {
mbed_official 614:9d86c2ae5de0 6 /* Define each memory region */
mbed_official 614:9d86c2ae5de0 7 FLASH (rx) : ORIGIN = 0x0, LENGTH = 0x1000 /* 4K bytes */
mbed_official 614:9d86c2ae5de0 8 RAM (rwx) : ORIGIN = 0x10000000+0xC0, LENGTH = 0x400-0xC0 /* 1K bytes */
mbed_official 614:9d86c2ae5de0 9
mbed_official 614:9d86c2ae5de0 10
mbed_official 614:9d86c2ae5de0 11 }
mbed_official 614:9d86c2ae5de0 12
mbed_official 614:9d86c2ae5de0 13 /* Linker script to place sections and symbol values. Should be used together
mbed_official 614:9d86c2ae5de0 14 * with other linker script that defines memory regions FLASH and RAM.
mbed_official 614:9d86c2ae5de0 15 * It references following symbols, which must be defined in code:
mbed_official 614:9d86c2ae5de0 16 * Reset_Handler : Entry of reset handler
mbed_official 614:9d86c2ae5de0 17 *
mbed_official 614:9d86c2ae5de0 18 * It defines following symbols, which code can use without definition:
mbed_official 614:9d86c2ae5de0 19 * __exidx_start
mbed_official 614:9d86c2ae5de0 20 * __exidx_end
mbed_official 614:9d86c2ae5de0 21 * __etext
mbed_official 614:9d86c2ae5de0 22 * __data_start__
mbed_official 614:9d86c2ae5de0 23 * __preinit_array_start
mbed_official 614:9d86c2ae5de0 24 * __preinit_array_end
mbed_official 614:9d86c2ae5de0 25 * __init_array_start
mbed_official 614:9d86c2ae5de0 26 * __init_array_end
mbed_official 614:9d86c2ae5de0 27 * __fini_array_start
mbed_official 614:9d86c2ae5de0 28 * __fini_array_end
mbed_official 614:9d86c2ae5de0 29 * __data_end__
mbed_official 614:9d86c2ae5de0 30 * __bss_start__
mbed_official 614:9d86c2ae5de0 31 * __bss_end__
mbed_official 614:9d86c2ae5de0 32 * __end__
mbed_official 614:9d86c2ae5de0 33 * end
mbed_official 614:9d86c2ae5de0 34 * __HeapLimit
mbed_official 614:9d86c2ae5de0 35 * __StackLimit
mbed_official 614:9d86c2ae5de0 36 * __StackTop
mbed_official 614:9d86c2ae5de0 37 * __stack
mbed_official 614:9d86c2ae5de0 38 */
mbed_official 614:9d86c2ae5de0 39 ENTRY(Reset_Handler)
mbed_official 614:9d86c2ae5de0 40
mbed_official 614:9d86c2ae5de0 41 SECTIONS
mbed_official 614:9d86c2ae5de0 42 {
mbed_official 614:9d86c2ae5de0 43 .text :
mbed_official 614:9d86c2ae5de0 44 {
mbed_official 614:9d86c2ae5de0 45 KEEP(*(.isr_vector))
mbed_official 614:9d86c2ae5de0 46 *(.text.Reset_Handler)
mbed_official 614:9d86c2ae5de0 47 *(.text.SystemInit)
mbed_official 614:9d86c2ae5de0 48 *(.text*)
mbed_official 614:9d86c2ae5de0 49
mbed_official 614:9d86c2ae5de0 50 KEEP(*(.init))
mbed_official 614:9d86c2ae5de0 51 KEEP(*(.fini))
mbed_official 614:9d86c2ae5de0 52
mbed_official 614:9d86c2ae5de0 53 /* .ctors */
mbed_official 614:9d86c2ae5de0 54 *crtbegin.o(.ctors)
mbed_official 614:9d86c2ae5de0 55 *crtbegin?.o(.ctors)
mbed_official 614:9d86c2ae5de0 56 *(EXCLUDE_FILE(*crtend?.o *crtend.o) .ctors)
mbed_official 614:9d86c2ae5de0 57 *(SORT(.ctors.*))
mbed_official 614:9d86c2ae5de0 58 *(.ctors)
mbed_official 614:9d86c2ae5de0 59
mbed_official 614:9d86c2ae5de0 60 /* .dtors */
mbed_official 614:9d86c2ae5de0 61 *crtbegin.o(.dtors)
mbed_official 614:9d86c2ae5de0 62 *crtbegin?.o(.dtors)
mbed_official 614:9d86c2ae5de0 63 *(EXCLUDE_FILE(*crtend?.o *crtend.o) .dtors)
mbed_official 614:9d86c2ae5de0 64 *(SORT(.dtors.*))
mbed_official 614:9d86c2ae5de0 65 *(.dtors)
mbed_official 614:9d86c2ae5de0 66
mbed_official 614:9d86c2ae5de0 67 *(.rodata*)
mbed_official 614:9d86c2ae5de0 68
mbed_official 614:9d86c2ae5de0 69 KEEP(*(.eh_frame*))
mbed_official 614:9d86c2ae5de0 70 } > FLASH
mbed_official 614:9d86c2ae5de0 71
mbed_official 614:9d86c2ae5de0 72 .ARM.extab :
mbed_official 614:9d86c2ae5de0 73 {
mbed_official 614:9d86c2ae5de0 74 *(.ARM.extab* .gnu.linkonce.armextab.*)
mbed_official 614:9d86c2ae5de0 75 } > FLASH
mbed_official 614:9d86c2ae5de0 76
mbed_official 614:9d86c2ae5de0 77 __exidx_start = .;
mbed_official 614:9d86c2ae5de0 78 .ARM.exidx :
mbed_official 614:9d86c2ae5de0 79 {
mbed_official 614:9d86c2ae5de0 80 *(.ARM.exidx* .gnu.linkonce.armexidx.*)
mbed_official 614:9d86c2ae5de0 81 } > FLASH
mbed_official 614:9d86c2ae5de0 82 __exidx_end = .;
mbed_official 614:9d86c2ae5de0 83
mbed_official 614:9d86c2ae5de0 84 __etext = .;
mbed_official 614:9d86c2ae5de0 85
mbed_official 614:9d86c2ae5de0 86 .data : AT (__etext)
mbed_official 614:9d86c2ae5de0 87 {
mbed_official 614:9d86c2ae5de0 88 __data_start__ = .;
mbed_official 614:9d86c2ae5de0 89 *(vtable)
mbed_official 614:9d86c2ae5de0 90 *(.data*)
mbed_official 614:9d86c2ae5de0 91
mbed_official 614:9d86c2ae5de0 92 . = ALIGN(4);
mbed_official 614:9d86c2ae5de0 93 /* preinit data */
mbed_official 614:9d86c2ae5de0 94 PROVIDE (__preinit_array_start = .);
mbed_official 614:9d86c2ae5de0 95 KEEP(*(.preinit_array))
mbed_official 614:9d86c2ae5de0 96 PROVIDE (__preinit_array_end = .);
mbed_official 614:9d86c2ae5de0 97
mbed_official 614:9d86c2ae5de0 98 . = ALIGN(4);
mbed_official 614:9d86c2ae5de0 99 /* init data */
mbed_official 614:9d86c2ae5de0 100 PROVIDE (__init_array_start = .);
mbed_official 614:9d86c2ae5de0 101 KEEP(*(SORT(.init_array.*)))
mbed_official 614:9d86c2ae5de0 102 KEEP(*(.init_array))
mbed_official 614:9d86c2ae5de0 103 PROVIDE (__init_array_end = .);
mbed_official 614:9d86c2ae5de0 104
mbed_official 614:9d86c2ae5de0 105
mbed_official 614:9d86c2ae5de0 106 . = ALIGN(4);
mbed_official 614:9d86c2ae5de0 107 /* finit data */
mbed_official 614:9d86c2ae5de0 108 PROVIDE (__fini_array_start = .);
mbed_official 614:9d86c2ae5de0 109 KEEP(*(SORT(.fini_array.*)))
mbed_official 614:9d86c2ae5de0 110 KEEP(*(.fini_array))
mbed_official 614:9d86c2ae5de0 111 PROVIDE (__fini_array_end = .);
mbed_official 614:9d86c2ae5de0 112
mbed_official 614:9d86c2ae5de0 113 . = ALIGN(4);
mbed_official 614:9d86c2ae5de0 114 /* All data end */
mbed_official 614:9d86c2ae5de0 115 __data_end__ = .;
mbed_official 614:9d86c2ae5de0 116
mbed_official 614:9d86c2ae5de0 117 } > RAM
mbed_official 614:9d86c2ae5de0 118
mbed_official 614:9d86c2ae5de0 119 .bss :
mbed_official 614:9d86c2ae5de0 120 {
mbed_official 614:9d86c2ae5de0 121 __bss_start__ = .;
mbed_official 614:9d86c2ae5de0 122 *(.bss*)
mbed_official 614:9d86c2ae5de0 123 *(COMMON)
mbed_official 614:9d86c2ae5de0 124 __bss_end__ = .;
mbed_official 614:9d86c2ae5de0 125 } > RAM
mbed_official 614:9d86c2ae5de0 126
mbed_official 614:9d86c2ae5de0 127 .heap :
mbed_official 614:9d86c2ae5de0 128 {
mbed_official 614:9d86c2ae5de0 129 __end__ = .;
mbed_official 614:9d86c2ae5de0 130 end = __end__;
mbed_official 614:9d86c2ae5de0 131 *(.heap*)
mbed_official 614:9d86c2ae5de0 132 __HeapLimit = .;
mbed_official 614:9d86c2ae5de0 133 } > RAM
mbed_official 614:9d86c2ae5de0 134
mbed_official 614:9d86c2ae5de0 135 /* .stack_dummy section doesn't contains any symbols. It is only
mbed_official 614:9d86c2ae5de0 136 * used for linker to calculate size of stack sections, and assign
mbed_official 614:9d86c2ae5de0 137 * values to stack symbols later */
mbed_official 614:9d86c2ae5de0 138 .stack_dummy :
mbed_official 614:9d86c2ae5de0 139 {
mbed_official 614:9d86c2ae5de0 140 *(.stack)
mbed_official 614:9d86c2ae5de0 141 } > RAM
mbed_official 614:9d86c2ae5de0 142
mbed_official 614:9d86c2ae5de0 143 /* Set stack top to end of RAM, and stack limit move down by
mbed_official 614:9d86c2ae5de0 144 * size of stack_dummy section */
mbed_official 614:9d86c2ae5de0 145 __StackTop = ORIGIN(RAM) + LENGTH(RAM);
mbed_official 614:9d86c2ae5de0 146 __StackLimit = __StackTop - SIZEOF(.stack_dummy);
mbed_official 614:9d86c2ae5de0 147 PROVIDE(__stack = __StackTop);
mbed_official 614:9d86c2ae5de0 148
mbed_official 614:9d86c2ae5de0 149 /* Check if data + heap + stack exceeds RAM limit */
mbed_official 614:9d86c2ae5de0 150 ASSERT(__StackLimit >= __HeapLimit, "region RAM overflowed with stack")
mbed_official 614:9d86c2ae5de0 151 }