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/*
* This file contains directives for the GNU linker which are specific
* to the Motorola MVME167 board. This linker script produces ELF
* executables.
*
* Copyright (c) 1999, National Research Council of Canada.
* Some of this material was copied from binutils-2.9.4 linker scripts,
* and is therefore likely to be copyrighted by the Free Software
* Foundation, even though explicit copyright notices did not appear in
* those files.
*
* The license and distribution terms for this file may be
* found in the file LICENSE in this distribution or at
* http://www.OARcorp.com/rtems/license.html.
*
* $Id$
*/
/* These are not really needed here */
/* OUTPUT_FORMAT("elf32-m68k") */
OUTPUT_ARCH(m68k)
ENTRY(_start)
/* Base address and size of RAM on the MVME167 */
RAM_SIZE = 4M;
RAM_START = 0x00800000;
RAM_END = RAM_START + RAM_SIZE;
/*
* Declare some sizes.
*/
HeapSize = DEFINED(HeapSize) ? HeapSize : 0x10000;
StackSize = DEFINED(StackSize) ? StackSize : 0x1000;
MEMORY
{
/* The location of RAM is the address space is configurable.
This is where we put one board. The base address should be
passed as a parameter when building multiprocessor images
where each board resides at a different address. */
ram : org = 0x00800000, l = 4M
rom : org = 0xFF800000, l = 4M
sram : org = 0xFFE00000, l = 128K
}
SECTIONS
{
ram : {
. = .;
} >ram
/*
* Text, data and bss segments
*/
.text : {
*(.text)
/*
* C++ constructors/destructors
*/
*(.gnu.linkonce.t.*)
/*
* Initialization and finalization code.
*
* Various files can provide initialization and finalization
* functions. crtbegin.o and crtend.o are two instances. The
* body of these functions are in .init and .fini sections. We
* accumulate the bodies here, and prepend function prologues
* from crti.o and function epilogues from crtn.o. crti.o must
* be linked first; crtn.o must be linked last. Because these
* are wildcards, it doesn't matter if the user does not
* actually link against crti.o and crtn.o; the linker won't
* look for a file to match a wildcard. The wildcard also
* means that it doesn't matter which directory crti.o and
* crtn.o are in.
*/
PROVIDE (_init = .);
*crti.o(.init)
*(.init)
*crtn.o(.init)
PROVIDE (_fini = .);
*crti.o(.fini)
*(.fini)
*crtn.o(.fini)
/*
* C++ constructors/destructors
*
* gcc uses crtbegin.o to find the start of the constructors
* and destructors so we make sure it is first. Because this
* is a wildcard, it doesn't matter if the user does not
* actually link against crtbegin.o; the linker won't look for
* a file to match a wildcard. The wildcard also means that
* it doesn't matter which directory crtbegin.o is in. The
* constructor and destructor list are terminated in
* crtend.o. The same comments apply to it.
*/
. = ALIGN (16);
*crtbegin.o(.ctors)
*(.ctors)
*crtend.o(.ctors)
*crtbegin.o(.dtors)
*(.dtors)
*crtend.o(.dtors)
/*
* Exception frame info
*/
. = ALIGN (16);
*(.eh_frame)
/*
* Read-only data
*/
. = ALIGN (16);
_rodata_start = . ;
*(.rodata)
*(.gnu.linkonce.r*)
. = ALIGN (16);
PROVIDE (_etext = .);
} >ram
.data : {
PROVIDE (_copy_start = .);
*(.data)
*(.gnu.linkonce.d*)
*(.gcc_except_table)
. = ALIGN (16);
PROVIDE (_edata = .);
PROVIDE (_copy_end = .);
} >ram
.bss : {
PROVIDE (_bss_start = .);
PROVIDE (_clear_start = .);
*(.bss)
*(COMMON)
. = ALIGN (16);
PROVIDE (end = .);
. += StackSize;
PROVIDE (_stack_init = .);
. = ALIGN (16);
PROVIDE (_HeapStart = .);
. += HeapSize;
PROVIDE (_HeapEnd = .);
PROVIDE (_clear_end = .);
PROVIDE (_WorkspaceBase = .);
} >ram
}
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