169 lines
4.4 KiB
Plaintext
169 lines
4.4 KiB
Plaintext
/* Linker script for Nordic Semiconductor nRF devices
|
|
*
|
|
* Version: Sourcery G++ 4.5-1
|
|
* Support: https://support.codesourcery.com/GNUToolchain/
|
|
*
|
|
* Copyright (c) 2007, 2008, 2009, 2010 CodeSourcery, Inc.
|
|
*
|
|
* The authors hereby grant permission to use, copy, modify, distribute,
|
|
* and license this software and its documentation for any purpose, provided
|
|
* that existing copyright notices are retained in all copies and that this
|
|
* notice is included verbatim in any distributions. No written agreement,
|
|
* license, or royalty fee is required for any of the authorized uses.
|
|
* Modifications to this software may be copyrighted by their authors
|
|
* and need not follow the licensing terms described here, provided that
|
|
* the new terms are clearly indicated on the first page of each file where
|
|
* they apply.
|
|
*/
|
|
OUTPUT_FORMAT ("elf32-littlearm", "elf32-bigarm", "elf32-littlearm")
|
|
|
|
/* Linker script to place sections and symbol values. Should be used together
|
|
* with other linker script that defines memory regions FLASH and RAM.
|
|
* It references following symbols, which must be defined in code:
|
|
* Reset_Handler : Entry of reset handler
|
|
*
|
|
* It defines following symbols, which 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
|
|
* __HeapBase
|
|
* __HeapLimit
|
|
* __StackLimit
|
|
* __StackTop
|
|
* __stack
|
|
*/
|
|
ENTRY(Reset_Handler)
|
|
|
|
SECTIONS
|
|
{
|
|
.text :
|
|
{
|
|
KEEP(*(.isr_vector))
|
|
*(.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.*)
|
|
} > FLASH
|
|
|
|
__exidx_start = .;
|
|
.ARM.exidx :
|
|
{
|
|
*(.ARM.exidx* .gnu.linkonce.armexidx.*)
|
|
} > 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 = .);
|
|
|
|
KEEP(*(.jcr*))
|
|
. = ALIGN(4);
|
|
/* All data end */
|
|
__data_end__ = .;
|
|
|
|
} > RAM
|
|
|
|
.bss :
|
|
{
|
|
. = ALIGN(4);
|
|
__bss_start__ = .;
|
|
*(.bss*)
|
|
*(COMMON)
|
|
. = ALIGN(4);
|
|
__bss_end__ = .;
|
|
} > RAM
|
|
|
|
.heap (COPY):
|
|
{
|
|
__HeapBase = .;
|
|
__end__ = .;
|
|
PROVIDE(end = .);
|
|
KEEP(*(.heap*))
|
|
__HeapLimit = .;
|
|
} > RAM
|
|
|
|
/* .stack_dummy section doesn't contains any symbols. It is only
|
|
* used for linker to calculate size of stack sections, and assign
|
|
* values to stack symbols later */
|
|
.stack_dummy (COPY):
|
|
{
|
|
KEEP(*(.stack*))
|
|
} > RAM
|
|
|
|
/* Set stack top to end of RAM, and stack limit move down by
|
|
* size of stack_dummy section */
|
|
__StackTop = ORIGIN(RAM) + LENGTH(RAM);
|
|
__StackLimit = __StackTop - SIZEOF(.stack_dummy);
|
|
PROVIDE(__stack = __StackTop);
|
|
|
|
/* Check if data + heap + stack exceeds RAM limit */
|
|
ASSERT(__StackLimit >= __HeapLimit, "region RAM overflowed with stack")
|
|
|
|
/* Check if text sections + data exceeds FLASH limit */
|
|
DataInitFlashUsed = __bss_start__ - __data_start__;
|
|
CodeFlashUsed = __etext - ORIGIN(FLASH);
|
|
TotalFlashUsed = CodeFlashUsed + DataInitFlashUsed;
|
|
ASSERT(TotalFlashUsed <= LENGTH(FLASH), "region FLASH overflowed with .data and user data")
|
|
|
|
}
|