The official Mbed 2 C/C++ SDK provides the software platform and libraries to build your applications.
Dependents: hello SerialTestv11 SerialTestv12 Sierpinski ... more
mbed 2
This is the mbed 2 library. If you'd like to learn about Mbed OS please see the mbed-os docs.
Diff: TARGET_NRF52_DK/TOOLCHAIN_GCC_ARM/NRF52832.ld
- Revision:
- 123:b0220dba8be7
- Child:
- 127:25aea2a3f4e3
--- /dev/null Thu Jan 01 00:00:00 1970 +0000 +++ b/TARGET_NRF52_DK/TOOLCHAIN_GCC_ARM/NRF52832.ld Fri Aug 12 13:04:35 2016 +0200 @@ -0,0 +1,185 @@ +/* + * Copyright (c) 2015 ARM Limited + * + * Licensed under the Apache License, Version 2.0 (the "License"); + * you may not use this file except in compliance with the License. + * You may obtain a copy of the License at + * + * http://www.apache.org/licenses/LICENSE-2.0 + * + * Unless required by applicable law or agreed to in writing, software + * distributed under the License is distributed on an "AS IS" BASIS, + * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. + * See the License for the specific language governing permissions and + * limitations under the License. + */ + +/* Linker script to configure memory regions. */ + +MEMORY +{ + FLASH (rx) : ORIGIN = 0x1C000, LENGTH = 0x64000 + RAM (rwx) : ORIGIN = 0x20002ef8, LENGTH = 0xd108 +} + + +OUTPUT_FORMAT ("elf32-littlearm", "elf32-bigarm", "elf32-littlearm") + +/* Linker script to place sections and symbol values. Should be used together + * with the other linker script that defines memory regions FLASH and RAM. + * It references the following symbols that must be defined in code: + * Reset_Handler : Entry of reset handler + * + * It defines the following symbols that the code can use without definition: + * __exidx_start + * __exidx_end + * __etext + * __data_start__ + * __preinit_array_start + * __preinit_array_end + * __init_array_start + * __init_array_end + * __fini_array_start + * __fini_array_end + * __data_end__ + * __bss_start__ + * __bss_end__ + * __end__ + * end + * __HeapLimit + * __StackLimit + * __StackTop + * __stack + */ +ENTRY(Reset_Handler) + + +SECTIONS +{ + .text : + { + KEEP(*(.Vectors)) + *(.text*) + + KEEP(*(.init)) + KEEP(*(.fini)) + + /* .ctors */ + *crtbegin.o(.ctors) + *crtbegin?.o(.ctors) + *(EXCLUDE_FILE(*crtend?.o *crtend.o) .ctors) + *(SORT(.ctors.*)) + *(.ctors) + + /* .dtors */ + *crtbegin.o(.dtors) + *crtbegin?.o(.dtors) + *(EXCLUDE_FILE(*crtend?.o *crtend.o) .dtors) + *(SORT(.dtors.*)) + *(.dtors) + + *(.rodata*) + + KEEP(*(.eh_frame*)) + } > FLASH + + .ARM.extab : + { + *(.ARM.extab* .gnu.linkonce.armextab.*) + . = ALIGN(4); + } > FLASH + + __exidx_start = .; + .ARM.exidx : + { + *(.ARM.exidx* .gnu.linkonce.armexidx.*) + . = ALIGN(4); + } > FLASH + __exidx_end = .; + + __etext = .; + + .data : AT (__etext) + { + __data_start__ = .; + *(vtable) + *(.data*) + + . = ALIGN(4); + /* preinit data */ + PROVIDE_HIDDEN (__preinit_array_start = .); + KEEP(*(.preinit_array)) + PROVIDE_HIDDEN (__preinit_array_end = .); + + . = ALIGN(4); + /* init data */ + PROVIDE_HIDDEN (__init_array_start = .); + KEEP(*(SORT(.init_array.*))) + KEEP(*(.init_array)) + PROVIDE_HIDDEN (__init_array_end = .); + + + . = ALIGN(4); + /* finit data */ + PROVIDE_HIDDEN (__fini_array_start = .); + KEEP(*(SORT(.fini_array.*))) + KEEP(*(.fini_array)) + PROVIDE_HIDDEN (__fini_array_end = .); + + *(.jcr) + . = ALIGN(4); + /* All data end */ + __data_end__ = .; + + } > RAM + + __edata = .; + + .fs_data : + { + PROVIDE(__start_fs_data = .); + KEEP(*(.fs_data)) + PROVIDE(__stop_fs_data = .); + } > RAM + + .bss : + { + . = ALIGN(4); + __bss_start__ = .; + *(.bss*) + *(COMMON) + . = ALIGN(4); + __bss_end__ = .; + } > RAM + + .heap (NOLOAD): + { + __end__ = .; + end = __end__; + *(.heap*); + + /* Expand the heap to reach the stack boundary. */ + ASSERT(. <= (ORIGIN(RAM) + LENGTH(RAM) - 0x800), "heap region overflowed into stack"); + . += (ORIGIN(RAM) + LENGTH(RAM) - 0x800) - .; + } > RAM + PROVIDE(__heap_start = ADDR(.heap)); + PROVIDE(__heap_size = SIZEOF(.heap)); + PROVIDE(__mbed_sbrk_start = ADDR(.heap)); + PROVIDE(__mbed_krbs_start = ADDR(.heap) + SIZEOF(.heap)); + + /* .stack_dummy section does not contain any symbols. It is only + * used for the linker script to calculate the size of stack sections + * and assign values to stack symbols later. */ + .stack (NOLOAD): + { + __StackLimit = .; + *(.stack*) + . += (ORIGIN(RAM) + LENGTH(RAM) - .); + } > RAM + + /* Set the stack top to the end of RAM and move down the stack limit by + * the size of the stack_dummy section. */ + __StackTop = ORIGIN(RAM) + LENGTH(RAM); + __StackLimit = __StackTop - SIZEOF(.stack); + PROVIDE(__stack = __StackTop); +}