px4-firmware/nuttx/configs/teensy/nsh/ld.script

/**************************************************************************************
 * configs/teensy/nsh/ld.script
 *
 *   Copyright (C) 2011 Gregory Nutt. All rights reserved.
 *   Author: Gregory Nutt <spudmonkey@racsa.co.cr>
 *
 * Redistribution and use in source and binary forms, with or without
 * modification, are permitted provided that the following conditions
 * are met:
 *
 * 1. Redistributions of source code must retain the above copyright
 *	notice, this list of conditions and the following disclaimer.
 * 2. Redistributions in binary form must reproduce the above copyright
 *	notice, this list of conditions and the following disclaimer in
 *	the documentation and/or other materials provided with the
 *	distribution.
 * 3. Neither the name NuttX nor the names of its contributors may be
 *	used to endorse or promote products derived from this software
 *	without specific prior written permission.
 *
 * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
 * "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT
 * LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS
 * FOR A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE
 * COPYRIGHT OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT,
 * INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING,
 * BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS
 * OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED
 * AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
 * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN
 * ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE
 * POSSIBILITY OF SUCH DAMAGE.
 *
 **************************************************************************************/

/* Memory Regions *********************************************************************/
/* -------------- ------ ------+------- -- ------ -- ------ --- ------ ----+------- ---
 *                FLASH        | REGISTERS I/O       EXT I/O    ISRAM      | EEPROM
 *                             |           REGISTERS REGISTERS             |
 * -------------- ------ ------+------- -- ------ -- ------ --- ------ ----+------- ---
 * AT90USB1286    0x0000 128Kb | 0x0000 32 0x0020 64 0x0060 160 0x0100 8Kb | 0x0000 4Kb
 * -------------- ------ ------+------- -- ------ -- ------ --- ------ ----+------- ---
 */

MEMORY
{
	flash    (rx) : ORIGIN = 0, LENGTH = 128K
	sram   (rw!x) : ORIGIN = 0x800100, LENGTH = 8K
	eeprom (rw!x) : ORIGIN = 0x810000, LENGTH = 4K
}

OUTPUT_FORMAT("elf32-avr","elf32-avr","elf32-avr")
OUTPUT_ARCH(avr:5)
ENTRY(__start)

SECTIONS
{
	/* Read-only sections, merged into text segment: */

	.hash			: { *(.hash) }
	.dynsym			: { *(.dynsym) }
	.dynstr			: { *(.dynstr) }
	.gnu.version	: { *(.gnu.version) }
	.gnu.version_d	: { *(.gnu.version_d) }
	.gnu.version_r	: { *(.gnu.version_r) }
	.rel.init		: { *(.rel.init) }
	.rela.init		: { *(.rela.init) }

	.rel.text		:
		{
			*(.rel.text)
			*(.rel.text.*)
			*(.rel.gnu.linkonce.t*)
		}

	.rela.text		:
		{
			*(.rela.text)
			*(.rela.text.*)
			*(.rela.gnu.linkonce.t*)
		}

	.rel.fini		: { *(.rel.fini) }
	.rela.fini		: { *(.rela.fini) }

	.rel.rodata		:
		{
			*(.rel.rodata)
			*(.rel.rodata.*)
			*(.rel.gnu.linkonce.r*)
		}

	.rela.rodata	:
		{
			*(.rela.rodata)
			*(.rela.rodata.*)
			*(.rela.gnu.linkonce.r*)
		}

	.rel.data		:
		{
			*(.rel.data)
			*(.rel.data.*)
			*(.rel.gnu.linkonce.d*)
		}

	.rela.data		:
		{
			*(.rela.data)
			*(.rela.data.*)
			*(.rela.gnu.linkonce.d*)
		}

	.rel.ctors		: { *(.rel.ctors) }
	.rela.ctors		: { *(.rela.ctors) }
	.rel.dtors		: { *(.rel.dtors) }
	.rela.dtors		: { *(.rela.dtors) }
	.rel.got		: { *(.rel.got) }
	.rela.got		: { *(.rela.got) }
	.rel.bss		: { *(.rel.bss) }
	.rela.bss		: { *(.rela.bss) }
	.rel.plt		: { *(.rel.plt) }
	.rela.plt		: { *(.rela.plt) }

	.text			:
	{
		_stext = . ;
		*(.vectors)
		*(.init)
		*(.handlers)
		*(.text)
		*(.text.*)
		_etext = . ;
	} > flash

	_eronly = ABSOLUTE(.);

	.data			:
	{
		_sdata = ABSOLUTE(.);
		*(.data .data.*)
		*(.gnu.linkonce.d.*)
		CONSTRUCTORS
		_edata = ABSOLUTE(.);
	} > sram AT > flash

	.bss			:
	{
		_sbss = ABSOLUTE(.);
		*(.bss .bss.*)
		*(.gnu.linkonce.b.*)
		*(COMMON)
		_ebss = ABSOLUTE(.);
	} > sram

	/* Global data not cleared after reset.	*/

	.noinit			:
	{
		_snoinit = ABSOLUTE(.);
		*(.noinit*)
		_enoinit = ABSOLUTE(.);
	}	> sram

	.eeprom			:
	{
		_seeprom = ABSOLUTE(.);
		*(.eeprom*)
		_eeeprom = ABSOLUTE(.);
	}	> eeprom

	/* Stabs debugging sections.	*/

	.stab 0				: { *(.stab) }
	.stabstr 0			: { *(.stabstr) }
	.stab.excl 0		: { *(.stab.excl) }
	.stab.exclstr 0		: { *(.stab.exclstr) }
	.stab.index 0		: { *(.stab.index) }
	.stab.indexstr 0	: { *(.stab.indexstr) }
	.comment 0			: { *(.comment) }

	/* DWARF debug sections.
		 Symbols in the DWARF debugging sections are relative to the beginning
		 of the section so we begin them at 0.	*/

	/* DWARF 1 */

	.debug 0			: { *(.debug) }
	.line 0				: { *(.line) }

	/* GNU DWARF 1 extensions */

	.debug_srcinfo 0	: { *(.debug_srcinfo) }
	.debug_sfnames 0	: { *(.debug_sfnames) }

	/* DWARF 1.1 and DWARF 2 */

	.debug_aranges 0 	: { *(.debug_aranges) }
	.debug_pubnames 0	: { *(.debug_pubnames) }

	/* DWARF 2 */

	.debug_info 0		: { *(.debug_info) *(.gnu.linkonce.wi.*) }
	.debug_abbrev 0		: { *(.debug_abbrev) }
	.debug_line 0		: { *(.debug_line) }
	.debug_frame 0		: { *(.debug_frame) }
	.debug_str 0		: { *(.debug_str) }
	.debug_loc 0		: { *(.debug_loc) }
	.debug_macinfo 0	: { *(.debug_macinfo) }
}