Team DIANA / mbed-src

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Dependents:   MX106-finaltest

Fork of mbed-src by mbed official

targets/cmsis/TARGET_NXP/TARGET_LPC82X/TARGET_LPC824/TOOLCHAIN_GCC_ARM/LPC824.ld@614:9d86c2ae5de0, 2015-09-01 (annotated)

Committer:
mbed_official
Date:
Tue Sep 01 16:00:09 2015 +0100
Revision:
614:9d86c2ae5de0
Parent:
365:7ced7d9d5ffe 
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 365:7ced7d9d5ffe 1 /* Linker script for mbed LPC824-GCC-ARM based on LPC1114-GCC-ARM-LPC1114.ld */
mbed_official 365:7ced7d9d5ffe 2
mbed_official 365:7ced7d9d5ffe 3 /* Linker script to configure memory regions. */
mbed_official 365:7ced7d9d5ffe 4 MEMORY
mbed_official 365:7ced7d9d5ffe 5 {
mbed_official 365:7ced7d9d5ffe 6 /* Define each memory region */
mbed_official 365:7ced7d9d5ffe 7 FLASH (rx) : ORIGIN = 0x0, LENGTH = 0x8000 /* 32K bytes */
mbed_official 365:7ced7d9d5ffe 8 RAM (rwx) : ORIGIN = 0x10000000+0xC0, LENGTH = 0x2000-0xC0 /* 8K bytes */
mbed_official 365:7ced7d9d5ffe 9
mbed_official 365:7ced7d9d5ffe 10
mbed_official 365:7ced7d9d5ffe 11 }
mbed_official 365:7ced7d9d5ffe 12
mbed_official 365:7ced7d9d5ffe 13 /* Linker script to place sections and symbol values. Should be used together
mbed_official 365:7ced7d9d5ffe 14 * with other linker script that defines memory regions FLASH and RAM.
mbed_official 365:7ced7d9d5ffe 15 * It references following symbols, which must be defined in code:
mbed_official 365:7ced7d9d5ffe 16 * Reset_Handler : Entry of reset handler
mbed_official 365:7ced7d9d5ffe 17 *
mbed_official 365:7ced7d9d5ffe 18 * It defines following symbols, which code can use without definition:
mbed_official 365:7ced7d9d5ffe 19 * __exidx_start
mbed_official 365:7ced7d9d5ffe 20 * __exidx_end
mbed_official 365:7ced7d9d5ffe 21 * __etext
mbed_official 365:7ced7d9d5ffe 22 * __data_start__
mbed_official 365:7ced7d9d5ffe 23 * __preinit_array_start
mbed_official 365:7ced7d9d5ffe 24 * __preinit_array_end
mbed_official 365:7ced7d9d5ffe 25 * __init_array_start
mbed_official 365:7ced7d9d5ffe 26 * __init_array_end
mbed_official 365:7ced7d9d5ffe 27 * __fini_array_start
mbed_official 365:7ced7d9d5ffe 28 * __fini_array_end
mbed_official 365:7ced7d9d5ffe 29 * __data_end__
mbed_official 365:7ced7d9d5ffe 30 * __bss_start__
mbed_official 365:7ced7d9d5ffe 31 * __bss_end__
mbed_official 365:7ced7d9d5ffe 32 * __end__
mbed_official 365:7ced7d9d5ffe 33 * end
mbed_official 365:7ced7d9d5ffe 34 * __HeapLimit
mbed_official 365:7ced7d9d5ffe 35 * __StackLimit
mbed_official 365:7ced7d9d5ffe 36 * __StackTop
mbed_official 365:7ced7d9d5ffe 37 * __stack
mbed_official 365:7ced7d9d5ffe 38 */
mbed_official 365:7ced7d9d5ffe 39 ENTRY(Reset_Handler)
mbed_official 365:7ced7d9d5ffe 40
mbed_official 365:7ced7d9d5ffe 41 SECTIONS
mbed_official 365:7ced7d9d5ffe 42 {
mbed_official 365:7ced7d9d5ffe 43 .text :
mbed_official 365:7ced7d9d5ffe 44 {
mbed_official 365:7ced7d9d5ffe 45 KEEP(*(.isr_vector))
mbed_official 365:7ced7d9d5ffe 46 *(.text.Reset_Handler)
mbed_official 365:7ced7d9d5ffe 47 *(.text.SystemInit)
mbed_official 365:7ced7d9d5ffe 48 *(.text*)
mbed_official 365:7ced7d9d5ffe 49
mbed_official 365:7ced7d9d5ffe 50 KEEP(*(.init))
mbed_official 365:7ced7d9d5ffe 51 KEEP(*(.fini))
mbed_official 365:7ced7d9d5ffe 52
mbed_official 365:7ced7d9d5ffe 53 /* .ctors */
mbed_official 365:7ced7d9d5ffe 54 *crtbegin.o(.ctors)
mbed_official 365:7ced7d9d5ffe 55 *crtbegin?.o(.ctors)
mbed_official 365:7ced7d9d5ffe 56 *(EXCLUDE_FILE(*crtend?.o *crtend.o) .ctors)
mbed_official 365:7ced7d9d5ffe 57 *(SORT(.ctors.*))
mbed_official 365:7ced7d9d5ffe 58 *(.ctors)
mbed_official 365:7ced7d9d5ffe 59
mbed_official 365:7ced7d9d5ffe 60 /* .dtors */
mbed_official 365:7ced7d9d5ffe 61 *crtbegin.o(.dtors)
mbed_official 365:7ced7d9d5ffe 62 *crtbegin?.o(.dtors)
mbed_official 365:7ced7d9d5ffe 63 *(EXCLUDE_FILE(*crtend?.o *crtend.o) .dtors)
mbed_official 365:7ced7d9d5ffe 64 *(SORT(.dtors.*))
mbed_official 365:7ced7d9d5ffe 65 *(.dtors)
mbed_official 365:7ced7d9d5ffe 66
mbed_official 365:7ced7d9d5ffe 67 *(.rodata*)
mbed_official 365:7ced7d9d5ffe 68
mbed_official 365:7ced7d9d5ffe 69 KEEP(*(.eh_frame*))
mbed_official 365:7ced7d9d5ffe 70 } > FLASH
mbed_official 365:7ced7d9d5ffe 71
mbed_official 365:7ced7d9d5ffe 72 .ARM.extab :
mbed_official 365:7ced7d9d5ffe 73 {
mbed_official 365:7ced7d9d5ffe 74 *(.ARM.extab* .gnu.linkonce.armextab.*)
mbed_official 365:7ced7d9d5ffe 75 } > FLASH
mbed_official 365:7ced7d9d5ffe 76
mbed_official 365:7ced7d9d5ffe 77 __exidx_start = .;
mbed_official 365:7ced7d9d5ffe 78 .ARM.exidx :
mbed_official 365:7ced7d9d5ffe 79 {
mbed_official 365:7ced7d9d5ffe 80 *(.ARM.exidx* .gnu.linkonce.armexidx.*)
mbed_official 365:7ced7d9d5ffe 81 } > FLASH
mbed_official 365:7ced7d9d5ffe 82 __exidx_end = .;
mbed_official 365:7ced7d9d5ffe 83
mbed_official 365:7ced7d9d5ffe 84 __etext = .;
mbed_official 365:7ced7d9d5ffe 85
mbed_official 365:7ced7d9d5ffe 86 .data : AT (__etext)
mbed_official 365:7ced7d9d5ffe 87 {
mbed_official 365:7ced7d9d5ffe 88 __data_start__ = .;
mbed_official 365:7ced7d9d5ffe 89 *(vtable)
mbed_official 365:7ced7d9d5ffe 90 *(.data*)
mbed_official 365:7ced7d9d5ffe 91
mbed_official 365:7ced7d9d5ffe 92 . = ALIGN(4);
mbed_official 365:7ced7d9d5ffe 93 /* preinit data */
mbed_official 365:7ced7d9d5ffe 94 PROVIDE (__preinit_array_start = .);
mbed_official 365:7ced7d9d5ffe 95 KEEP(*(.preinit_array))
mbed_official 365:7ced7d9d5ffe 96 PROVIDE (__preinit_array_end = .);
mbed_official 365:7ced7d9d5ffe 97
mbed_official 365:7ced7d9d5ffe 98 . = ALIGN(4);
mbed_official 365:7ced7d9d5ffe 99 /* init data */
mbed_official 365:7ced7d9d5ffe 100 PROVIDE (__init_array_start = .);
mbed_official 365:7ced7d9d5ffe 101 KEEP(*(SORT(.init_array.*)))
mbed_official 365:7ced7d9d5ffe 102 KEEP(*(.init_array))
mbed_official 365:7ced7d9d5ffe 103 PROVIDE (__init_array_end = .);
mbed_official 365:7ced7d9d5ffe 104
mbed_official 365:7ced7d9d5ffe 105
mbed_official 365:7ced7d9d5ffe 106 . = ALIGN(4);
mbed_official 365:7ced7d9d5ffe 107 /* finit data */
mbed_official 365:7ced7d9d5ffe 108 PROVIDE (__fini_array_start = .);
mbed_official 365:7ced7d9d5ffe 109 KEEP(*(SORT(.fini_array.*)))
mbed_official 365:7ced7d9d5ffe 110 KEEP(*(.fini_array))
mbed_official 365:7ced7d9d5ffe 111 PROVIDE (__fini_array_end = .);
mbed_official 365:7ced7d9d5ffe 112
mbed_official 365:7ced7d9d5ffe 113 . = ALIGN(4);
mbed_official 365:7ced7d9d5ffe 114 /* All data end */
mbed_official 365:7ced7d9d5ffe 115 __data_end__ = .;
mbed_official 365:7ced7d9d5ffe 116
mbed_official 365:7ced7d9d5ffe 117 } > RAM
mbed_official 365:7ced7d9d5ffe 118
mbed_official 365:7ced7d9d5ffe 119 .bss :
mbed_official 365:7ced7d9d5ffe 120 {
mbed_official 365:7ced7d9d5ffe 121 __bss_start__ = .;
mbed_official 365:7ced7d9d5ffe 122 *(.bss*)
mbed_official 365:7ced7d9d5ffe 123 *(COMMON)
mbed_official 365:7ced7d9d5ffe 124 __bss_end__ = .;
mbed_official 365:7ced7d9d5ffe 125 } > RAM
mbed_official 365:7ced7d9d5ffe 126
mbed_official 365:7ced7d9d5ffe 127 .heap :
mbed_official 365:7ced7d9d5ffe 128 {
mbed_official 365:7ced7d9d5ffe 129 __end__ = .;
mbed_official 365:7ced7d9d5ffe 130 end = __end__;
mbed_official 365:7ced7d9d5ffe 131 *(.heap*)
mbed_official 365:7ced7d9d5ffe 132 __HeapLimit = .;
mbed_official 365:7ced7d9d5ffe 133 } > RAM
mbed_official 365:7ced7d9d5ffe 134
mbed_official 365:7ced7d9d5ffe 135 /* .stack_dummy section doesn't contains any symbols. It is only
mbed_official 365:7ced7d9d5ffe 136 * used for linker to calculate size of stack sections, and assign
mbed_official 365:7ced7d9d5ffe 137 * values to stack symbols later */
mbed_official 365:7ced7d9d5ffe 138 .stack_dummy :
mbed_official 365:7ced7d9d5ffe 139 {
mbed_official 365:7ced7d9d5ffe 140 *(.stack)
mbed_official 365:7ced7d9d5ffe 141 } > RAM
mbed_official 365:7ced7d9d5ffe 142
mbed_official 365:7ced7d9d5ffe 143 /* Set stack top to end of RAM, and stack limit move down by
mbed_official 365:7ced7d9d5ffe 144 * size of stack_dummy section */
mbed_official 365:7ced7d9d5ffe 145 __StackTop = ORIGIN(RAM) + LENGTH(RAM);
mbed_official 365:7ced7d9d5ffe 146 __StackLimit = __StackTop - SIZEOF(.stack_dummy);
mbed_official 365:7ced7d9d5ffe 147 PROVIDE(__stack = __StackTop);
mbed_official 365:7ced7d9d5ffe 148
mbed_official 365:7ced7d9d5ffe 149 /* Check if data + heap + stack exceeds RAM limit */
mbed_official 365:7ced7d9d5ffe 150 ASSERT(__StackLimit >= __HeapLimit, "region RAM overflowed with stack")
mbed_official 365:7ced7d9d5ffe 151 }