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Diffstat (limited to '')
| -rw-r--r-- | c/src/lib/libbsp/m68k/mvme167/startup/elflinkcmds | 223 |
1 files changed, 223 insertions, 0 deletions
diff --git a/c/src/lib/libbsp/m68k/mvme167/startup/elflinkcmds b/c/src/lib/libbsp/m68k/mvme167/startup/elflinkcmds new file mode 100644 index 0000000000..927d5b932a --- /dev/null +++ b/c/src/lib/libbsp/m68k/mvme167/startup/elflinkcmds @@ -0,0 +1,223 @@ +/* + * 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. + * XXX: The assignment of ". += XyzSize;" fails in older gld's if the + * number used there is not constant. If this happens to you, edit + * the lines marked XXX below to use a constant value. + */ +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 +{ + /* + * We want the entry point to be the first thing in memory. + * Merge all read-only data into the .text section. + */ + .text 0x00800000 : + { + text_start = . ; + + *(.text) + *(.text.*) + *(.stub) + + /* 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(.init) + + . = ALIGN (16); + + /* C++ constructors and destructors for static objects. + * + * 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. + */ + PROVIDE (__CTOR_LIST__ = .); + *crtbegin.o(.ctors) + *(.ctors) + *crtend.o(.ctors) + PROVIDE (__CTOR_END__ = .); + + PROVIDE (__DTOR_LIST__ = .); + *crtbegin.o(.dtors) + *(.dtors) + *crtend.o(.dtors) + PROVIDE (__DTOR_END__ = .); + + . = ALIGN (16); + + /* Exception frame info */ + *(.eh_frame) + + . = ALIGN (16); + + /* Do we have any of these with egcs-1.x and higher? */ + *(.gcc_exc) + + . = ALIGN (16); + + _rodata_start = . ; + *(.rodata) + *(.rodata.*) + *(.gnu.linkonce.r*) + *(.rodata1) + _erodata = .; + + _etext = .; + PROVIDE (etext = .); + + } >ram =0x4e75 + + . = ALIGN (16); + + .data : + { + data_start = .; + + *(.data) + *(.data.*) + *(.data1) + *(.sdata) + *(.gnu.linkonce.d*) + *(.gcc_except_table) + + . = ALIGN (16); + _edata = .; + PROVIDE (edata = .); + } >ram + + .bss : + { + bss_start = .; + *(.dynbss) + *(.bss) + *(COMMON) + *(.sbss) + *(.scommon) + + . = ALIGN (16); + _end = .; + PROVIDE (end = .); + } >ram + + _HeapStart = .; + . += HeapSize; /* XXX -- Old gld can't handle this */ + _HeapEnd = .; + _StackStart = .; + . += StackSize; /* XXX -- Old gld can't handle this */ + /* . += 0x10000; */ /* HeapSize for old gld */ + /* . += 0x1000; */ /* StackSize for old gld */ + . = ALIGN (16); + _StackEnd = .; + stack_init = .; + clear_end = .; + + _WorkspaceBase = .; + + /* 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) } + .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) } + /* These must appear regardless of . */ +} + |