/* * This file contains directives for the GNU linker which are specific * to the Arcturus uC DIMM ColdFire 5282 * * COPYRIGHT (c) 1989-1999. * On-Line Applications Research Corporation (OAR). * * 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. * * $Id$ */ /* * Declare some sizes. */ _RamBase = DEFINED(_RamBase) ? _RamBase : 0x0 ; _RamSize = DEFINED(_RamSize) ? _RamSize : 16M ; _HeapSize = DEFINED(_HeapSize) ? _HeapSize : 0 ; /* * System clock speed */ _CPUClockSpeed = DEFINED(_CPUClockSpeed) ? _CPUClockSpeed : 150000000 ; /* * Location of on-chip devices */ __IPSBAR = DEFINED(__IPSBAR) ? __IPSBAR : 0x40000000 ; __SRAMBASE = DEFINED(__SRAMBASE) ? __SRAMBASE : 0x20000000 ; _VBR = 0x0; ENTRY(start) MEMORY { ram : ORIGIN = 0, LENGTH = 16M sram : ORIGIN = 0x20000000, LENGTH = 64K flash : ORIGIN = 0xFFE00000, LENGTH = 2M } SECTIONS { _header_offset = 0; /* * Text, data and bss segments */ .text 0x40000 : { *(.text) *(.ram_code) /* * 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) /* * Special FreeBSD sysctl sections. */ . = ALIGN (16); __start_set_sysctl_set = .; *(set_sysctl_*); __stop_set_sysctl_set = ABSOLUTE(.); *(set_domain_*); *(set_pseudo_*); /* * 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); *(.console_gdb_xfer) *(.bootstrap_data) . = ALIGN(16); _estuff = .; PROVIDE (_etext = .); } >ram .data : { PROVIDE( _data_dest_start = . ); PROVIDE( _copy_start = .); *(.data) *(.gnu.linkonce.d*) *(.gcc_except_table) *(.jcr) . = ALIGN (16); PROVIDE (_edata = .); PROVIDE (_copy_end = .); PROVIDE (_data_dest_end = . ); } >ram _data_src_start = _estuff; _data_src_end = _data_dest_start + SIZEOF(.data); .bss : { _clear_start = .; *(.bss) *(COMMON) . = ALIGN (16); PROVIDE (end = .); _clear_end = .; _WorkspaceBase = .; } >ram /* 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) } PROVIDE (end_of_all = .); }