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mbed 2
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TARGET_WIZWIKI_W7500ECO/TOOLCHAIN_GCC_ARM/W7500.ld@171:3a7713b1edbc, 2018-11-08 (annotated)
- Committer:
- AnnaBridge
- Date:
- Thu Nov 08 11:45:42 2018 +0000
- Revision:
- 171:3a7713b1edbc
- Parent:
- 143:86740a56073b
mbed library. Release version 164
Who changed what in which revision?
User | Revision | Line number | New 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 | 171:3a7713b1edbc | 88 | . = ALIGN(8); |
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 | 171:3a7713b1edbc | 94 | . = ALIGN(8); |
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 | 171:3a7713b1edbc | 102 | . = ALIGN(8); |
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 | 171:3a7713b1edbc | 110 | . = ALIGN(8); |
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 | 171:3a7713b1edbc | 118 | . = ALIGN(8); |
AnnaBridge | 143:86740a56073b | 119 | __bss_start__ = .; |
AnnaBridge | 143:86740a56073b | 120 | *(.bss*) |
AnnaBridge | 143:86740a56073b | 121 | *(COMMON) |
AnnaBridge | 171:3a7713b1edbc | 122 | . = ALIGN(8); |
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 |