rom71x.ld

关于 modbus tcp 的一些源代码

/*
 * STR71X Linker Scripts for FreeModbus (ROM)
 * Copyright 2005 Anglia Design, Spencer Oliver
 * Modifications Copyright (C) 2006 Christian Walter <[e-mail]>
 *
 * This demo code and associated components are provided as is and has no 
 * warranty, implied or otherwise.  You are free to use/modify any of the 
 * provided code at your own risk in your applications with the expressed 
 * limitation of liability (see below)
 * 
 * LIMITATION OF LIABILITY:   ANGLIA OR ANGLIA DESIGNS SHALL NOT BE LIABLE
 * FOR ANY LOSS OF PROFITS, LOSS OF USE, LOSS OF DATA, INTERRUPTION OF
 * BUSINESS, NOR FOR INDIRECT, SPECIAL, INCIDENTAL OR CONSEQUENTIAL DAMAGES 
 * OF ANY KIND WHETHER UNDER THIS AGREEMENT OR OTHERWISE, EVEN IF ADVISED OF
 * THE POSSIBILITY OF SUCH DAMAGES.
 *
 * $Id: rom71x.ld,v 1.1 2006/11/02 23:14:44 wolti Exp $
 */

/* Stack Sizes */
_STACKSIZE = 256;
_STACKSIZE_IRQ = 256;
_STACKSIZE_FIQ = 256;
_STACKSIZE_SVC = 0;
_STACKSIZE_ABT = 0;
_STACKSIZE_UND = 0;

/* Memory Definitions */
MEMORY
{
	CODE (rx) : ORIGIN = 0x40000000, LENGTH = 0x00040000
	DATA (rw) : ORIGIN = 0x20000000, LENGTH = 0x00010000
}

/* Section Definitions */
SECTIONS
{
	/* first section is .text which is used for code */
	.text :
	{
		KEEP(*(.vectrom))
		KEEP(*(.init))
		*(.text .text.*)
		*(.gnu.linkonce.t.*)
		*(.glue_7t .glue_7)
		KEEP(*(.fini))
		*(.gcc_except_table)
	} >CODE =0
	. = ALIGN(4);

	/* .ctors .dtors are used for c++ constructors/destructors */
	.ctors :
	{
		PROVIDE(__ctors_start__ = .);
		KEEP(*(SORT(.ctors.*)))
		KEEP(*(.ctors))
		PROVIDE(__ctors_end__ = .);
	} >CODE

	.dtors :
	{
		PROVIDE(__dtors_start__ = .); 
		KEEP(*(SORT(.dtors.*)))
		KEEP(*(.dtors))
		PROVIDE(__dtors_end__ = .);
	} >CODE
	
	/* .rodata section which is used for read-only data (constants) */
	.rodata :
	{
		*(.rodata .rodata.*)
		*(.gnu.linkonce.r.*)
	} >CODE
	. = ALIGN(4);
	
	_vectext = .;
	PROVIDE (vectext = .);

	.vect : AT (_vectext)
	{
		_vecstart = .;
		KEEP(*(.vectram))
		_vecend = .;
	} >DATA

	_etext = _vectext + SIZEOF(.vect);
	PROVIDE (etext = .);

	/* .data section which is used for initialized data */
	.data : AT (_etext)
	{
		_data = .;
		*(.data .data.*)
		*(.gnu.linkonce.d.*)
		SORT(CONSTRUCTORS)
		. = ALIGN(4);
		*(.fastrun .fastrun.*)
	} >DATA
	. = ALIGN(4);
	
	_edata = .;
	PROVIDE (edata = .);

	/* .bss section which is used for uninitialized data */
	.bss :
	{
		__bss_start = .;
		__bss_start__ = .;
		*(.bss .bss.*)
		*(.gnu.linkonce.b.*)
		*(COMMON)
		. = ALIGN(4);
	} >DATA
	. = ALIGN(4);
	__bss_end__ = .;
	
	_end = .;
	PROVIDE(end = .);

	/* .stack section - user mode stack */
	.stack (NOLOAD) :
	{
		__stack_start__ = .;
		*(.stack)
		. = MAX(__stack_start__ + _STACKSIZE , .);
	} >DATA
	__stack_end__ = __stack_start__ + SIZEOF(.stack);

	/* .stack_irq section */
	.stack_irq (__stack_end__ + 3) / 4 * 4 (NOLOAD) :
	{
		__stack_irq_start__ = .;
		*(.stack_irq)
		. = MAX(__stack_irq_start__ + _STACKSIZE_IRQ , .);
	} >DATA
	__stack_irq_end__ = __stack_irq_start__ + SIZEOF(.stack_irq);

	/* .stack_fiq section */
	.stack_fiq (__stack_irq_end__ + 3) / 4 * 4 (NOLOAD) :
	{
		__stack_fiq_start__ = .;
		*(.stack_fiq)
	    . = MAX(__stack_fiq_start__ + _STACKSIZE_FIQ , .);
	} >DATA
	__stack_fiq_end__ = __stack_fiq_start__ + SIZEOF(.stack_fiq);

	/* .stack_svc section */
	.stack_svc (__stack_fiq_end__ + 3) / 4 * 4 (NOLOAD) :
	{
		__stack_svc_start__ = .;
		*(.stack_svc)
		. = MAX(__stack_svc_start__ + _STACKSIZE_SVC , .);
	} >DATA
	__stack_svc_end__ = __stack_svc_start__ + SIZEOF(.stack_svc);

	/* .stack_abt section */
	.stack_abt (__stack_svc_end__ + 3) / 4 * 4 (NOLOAD) :
	{
		__stack_abt_start__ = .;
		*(.stack_abt)
		. = MAX(__stack_abt_start__ + _STACKSIZE_ABT , .);
	} >DATA
	__stack_abt_end__ = __stack_abt_start__ + SIZEOF(.stack_abt);

	/* .stack_und section */
	.stack_und (__stack_abt_end__ + 3) / 4 * 4 (NOLOAD) :
	{
		__stack_und_start__ = .;
		*(.stack_und)
    	. = MAX(__stack_und_start__ + _STACKSIZE_UND , .);
	} >DATA
	__stack_und_end__ = __stack_und_start__ + SIZEOF(.stack_und);
  
	/* 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) }
	/* SGI/MIPS DWARF 2 extensions */
	.debug_weaknames 0 : { *(.debug_weaknames) }
	.debug_funcnames 0 : { *(.debug_funcnames) }
	.debug_typenames 0 : { *(.debug_typenames) }
	.debug_varnames  0 : { *(.debug_varnames) }	
}