forked from Imagelibrary/rtems
Now compiles for coff and elf.
This commit is contained in:
Joel Sherrill
@@ -1,21 +1,26 @@
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/*
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* This file contains directives for the GNU linker which are specific
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* to the Motorola MVME167 board.
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* to the Motorola MVME167 board. This linker script produces ELF
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* executables.
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*
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* COPYRIGHT (c) 1989-1998.
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* On-Line Applications Research Corporation (OAR).
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* Copyright assigned to U.S. Government, 1994.
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* Copyright (c) 1999, National Research Council of Canada.
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* Some of this material was copied from binutils-2.9.4 linker scripts,
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* and is therefore likely to be copyrighted by the Free Software
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* Foundation, even though explicit copyright notices did not appear in
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* those files.
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*
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* The license and distribution terms for this file may be
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* found in the file LICENSE in this distribution or at
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* http://www.OARcorp.com/rtems/license.html.
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*
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* Modifications of respective RTEMS file:
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* Copyright (c) 1998, National Research Council of Canada
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*
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* $Id$
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*/
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/* These are not really needed here */
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/* OUTPUT_FORMAT("elf32-m68k") */
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OUTPUT_ARCH(m68k)
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ENTRY(_start)
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/* Base address and size of RAM on the MVME167 */
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RAM_SIZE = 4M;
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@@ -33,71 +38,186 @@ StackSize = DEFINED(StackSize) ? StackSize : 0x1000;
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MEMORY
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{
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/* The location of RAM is the address space is configurable.
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This is where we put one board. The base address should be
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passed as a parameter when building multiprocessor images
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where each board resides at a different address. */
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ram : org = 0x00800000, l = 4M
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rom : org = 0xFF800000, l = 4M
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sram : org = 0xFFE00000, l = 128K
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}
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SECTIONS
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{
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/*
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* We want the entry point to be the first thing in memory.
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* Merge all read-only data into the .text section.
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*/
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.text 0x00800000 :
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{
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text_start = . ;
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*(.text)
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. = ALIGN (16);
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*(.text.*)
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*(.stub)
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*(.eh_fram)
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. = ALIGN (16);
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/* C++ constructors/destructors */
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*(.gnu.linkonce.t*)
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*(.gcc_exc)
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. = ALIGN (16);
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/*
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* C++ constructors
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/* Initialization and finalization code.
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*
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* Various files can provide initialization and finalization functions.
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* crtbegin.o and crtend.o are two instances. The body of these functions
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* are in .init and .fini sections. We accumulate the bodies here, and
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* prepend function prologues from crti.o and function epilogues from
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* crtn.o. crti.o must be linked first; crtn.o must be linked last.
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* Because these are wildcards, it doesn't matter if the user does not
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* actually link against crti.o and crtn.o; the linker won't look for a
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* file to match a wildcard. The wildcard also means that it doesn't
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* matter which directory crti.o and crtn.o are in.
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*/
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__CTOR_LIST__ = .;
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LONG((__CTOR_END__ - __CTOR_LIST__) / 4 - 2)
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*(.ctors)
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LONG(0)
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__CTOR_END__ = .;
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__DTOR_LIST__ = .;
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LONG((__DTOR_END__ - __DTOR_LIST__) / 4 - 2)
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*(.dtors)
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LONG(0)
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__DTOR_END__ = .;
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etext = ALIGN( 0x10 ) ;
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} >ram
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PROVIDE (_init = .);
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*crti.o(.init)
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*(.init)
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*crtn.o(.init)
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.data ADDR( .text ) + SIZEOF( .text ):
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PROVIDE (_fini = .);
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*crti.o(.fini)
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*(.fini)
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*crtn.o(.init)
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. = ALIGN (16);
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/* C++ constructors and destructors for static objects.
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*
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* gcc uses crtbegin.o to find the start of the constructors and
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* destructors so we make sure it is first. Because this is a wildcard,
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* it doesn't matter if the user does not actually link against
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* crtbegin.o; the linker won't look for a file to match a wildcard. The
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* wildcard also means that it doesn't matter which directory crtbegin.o
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* is in. The constructor and destructor list are terminated in crtend.o.
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* The same comments apply to it.
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*/
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PROVIDE (__CTOR_LIST__ = .);
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*crtbegin.o(.ctors)
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*(.ctors)
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*crtend.o(.ctors)
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PROVIDE (__CTOR_END__ = .);
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PROVIDE (__DTOR_LIST__ = .);
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*crtbegin.o(.dtors)
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*(.dtors)
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*crtend.o(.dtors)
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PROVIDE (__DTOR_END__ = .);
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. = ALIGN (16);
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/* Exception frame info */
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*(.eh_frame)
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. = ALIGN (16);
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/* Do we have any of these with egcs-1.x and higher? */
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*(.gcc_exc)
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. = ALIGN (16);
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_rodata_start = . ;
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*(.rodata)
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*(.rodata.*)
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*(.gnu.linkonce.r*)
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*(.rodata1)
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_erodata = .;
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_etext = .;
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PROVIDE (etext = .);
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} >ram =0x4e75
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. = ALIGN (16);
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.data :
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{
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data_start = .;
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*(.data)
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edata = ALIGN( 0x10 ) ;
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*(.data.*)
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*(.data1)
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*(.sdata)
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*(.gnu.linkonce.d*)
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*(.gcc_except_table)
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. = ALIGN (16);
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_edata = .;
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PROVIDE (edata = .);
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} >ram
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.bss ADDR( .data ) + SIZEOF( .data ):
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.bss :
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{
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bss_start = .;
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*(.dynbss)
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*(.bss)
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*(COMMON)
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end = . ;
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*(.sbss)
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*(.scommon)
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. = ALIGN (16);
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_end = .;
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PROVIDE (end = .);
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} >ram
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_HeapStart = .;
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__HeapStart = .;
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. += HeapSize; /* XXX -- Old gld can't handle this */
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_HeapEnd = .;
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__HeapEnd = .;
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_StackStart = .;
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__StackStart = .;
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. += StackSize; /* XXX -- Old gld can't handle this */
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/* . += 0x10000; */ /* HeapSize for old gld */
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/* . += 0x1000; */ /* StackSize for old gld */
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. = ALIGN (16);
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_StackEnd = .;
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__StackEnd = .;
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stack_init = .;
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clear_end = .;
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_WorkspaceBase = .;
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__WorkspaceBase = .;
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} >ram
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/* Stabs debugging sections. */
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.stab 0 : { *(.stab) }
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.stabstr 0 : { *(.stabstr) }
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.stab.excl 0 : { *(.stab.excl) }
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.stab.exclstr 0 : { *(.stab.exclstr) }
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.stab.index 0 : { *(.stab.index) }
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.stab.indexstr 0 : { *(.stab.indexstr) }
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.comment 0 : { *(.comment) }
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/* DWARF debug sections.
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Symbols in the DWARF debugging sections are relative to the beginning
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of the section so we begin them at 0. */
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/* DWARF 1 */
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.debug 0 : { *(.debug) }
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.line 0 : { *(.line) }
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/* GNU DWARF 1 extensions */
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.debug_srcinfo 0 : { *(.debug_srcinfo) }
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.debug_sfnames 0 : { *(.debug_sfnames) }
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/* DWARF 1.1 and DWARF 2 */
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.debug_aranges 0 : { *(.debug_aranges) }
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.debug_pubnames 0 : { *(.debug_pubnames) }
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/* DWARF 2 */
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.debug_info 0 : { *(.debug_info) }
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.debug_abbrev 0 : { *(.debug_abbrev) }
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.debug_line 0 : { *(.debug_line) }
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.debug_frame 0 : { *(.debug_frame) }
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.debug_str 0 : { *(.debug_str) }
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.debug_loc 0 : { *(.debug_loc) }
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.debug_macinfo 0 : { *(.debug_macinfo) }
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/* SGI/MIPS DWARF 2 extensions */
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.debug_weaknames 0 : { *(.debug_weaknames) }
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.debug_funcnames 0 : { *(.debug_funcnames) }
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.debug_typenames 0 : { *(.debug_typenames) }
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.debug_varnames 0 : { *(.debug_varnames) }
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/* These must appear regardless of . */
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}
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