path: root/bsps/or1k/shared/start/linkcmds.base

/**
 * @file
 *
 * @ingroup bsp_linker
 *
 * @brief Linker command base file.
 */

/*
 * COPYRIGHT (c) 2014 Hesham ALMatary <heshamelmatary@gmail.com>
 *
 * The license and distribution terms for this file may be
 * found in the file LICENSE in this distribution or at
 * http://www.rtems.org/license/LICENSE
 */

OUTPUT_ARCH (or1k)

ENTRY (_start)
STARTUP (start.o)

/*
 * Global symbols that may be defined externally
 */

bsp_start_vector_table_begin = 0x1F00;
bsp_vector_table_size = DEFINED (bsp_vector_table_size) ? bsp_vector_table_size
: 8260;
/* 8192 for raw vector table, and 17 * 4 for handlers vector. */

bsp_section_xbarrier_align  = DEFINED (bsp_section_xbarrier_align) ? bsp_section_xbarrier_align : 1;
bsp_section_robarrier_align = DEFINED (bsp_section_robarrier_align) ? bsp_section_robarrier_align : 1;
bsp_section_rwbarrier_align = DEFINED (bsp_section_rwbarrier_align) ? bsp_section_rwbarrier_align : 1;

bsp_stack_align = DEFINED (bsp_stack_align) ? bsp_stack_align : 8;

SECTIONS {

  .vector : ALIGN_WITH_INPUT {
    *(.vector)
    . = ALIGN(bsp_vector_table_size);
    bsp_section_vector_end = .;
  } > REGION_VECTOR AT > REGION_VECTOR
  bsp_section_vector_size = bsp_section_vector_end - bsp_section_vector_begin;
  bsp_vector_table_begin = bsp_section_vector_begin;
  bsp_vector_table_end = bsp_vector_table_begin + bsp_vector_table_size;

  .start : ALIGN_WITH_INPUT {
    bsp_section_start_begin = .;
    KEEP (*(.bsp_start_text))
    KEEP (*(.bsp_start_data))
    bsp_section_start_end = .;
  } > REGION_START AT > REGION_START
  bsp_section_start_size = bsp_section_start_end - bsp_section_start_begin;

.xbarrier : ALIGN_WITH_INPUT {
    . = ALIGN (bsp_section_xbarrier_align);
  } > REGION_VECTOR AT > REGION_VECTOR

.text : ALIGN_WITH_INPUT {
    bsp_section_text_begin = .;
    *(.text.unlikely .text.*_unlikely)
    *(.text .stub .text.* .gnu.linkonce.t.*)
    /* .gnu.warning sections are handled specially by elf32.em.  */
    *(.gnu.warning)
    *(.glue_7t) *(.glue_7) *(.vfp11_veneer) *(.v4_bx)
  } > REGION_TEXT AT > REGION_TEXT_LOAD
  .init : ALIGN_WITH_INPUT {
    KEEP (*(.init))
  } > REGION_TEXT AT > REGION_TEXT_LOAD
  .fini : ALIGN_WITH_INPUT {
    KEEP (*(.fini))
    bsp_section_text_end = .;
  } > REGION_TEXT AT > REGION_TEXT_LOAD
  bsp_section_text_size = bsp_section_text_end - bsp_section_text_begin;
  bsp_section_text_load_begin = LOADADDR (.text);
  bsp_section_text_load_end = bsp_section_text_load_begin + bsp_section_text_size;

.robarrier : ALIGN_WITH_INPUT {
    . = ALIGN (bsp_section_robarrier_align);
  } > REGION_RODATA AT > REGION_RODATA

.rodata : ALIGN_WITH_INPUT {
    bsp_section_rodata_begin = .;
    *(.rodata .rodata.* .gnu.linkonce.r.*)
  } > REGION_RODATA AT > REGION_RODATA_LOAD
.eh_frame : ALIGN_WITH_INPUT {
               KEEP (*(.eh_frame))
       } > REGION_RODATA AT > REGION_RODATA_LOAD
       .gcc_except_table : ALIGN_WITH_INPUT {
               *(.gcc_except_table .gcc_except_table.*)
       } > REGION_RODATA AT > REGION_RODATA_LOAD
       .tdata : ALIGN_WITH_INPUT {
               _TLS_Data_begin = .;
               *(.tdata .tdata.* .gnu.linkonce.td.*)
               _TLS_Data_end = .;
       } > REGION_RODATA AT > REGION_RODATA_LOAD
       .tbss : ALIGN_WITH_INPUT {
               _TLS_BSS_begin = .;
               *(.tbss .tbss.* .gnu.linkonce.tb.*) *(.tcommon)
               _TLS_BSS_end = .;
       } > REGION_RODATA AT > REGION_RODATA_LOAD
       _TLS_Data_size = _TLS_Data_end - _TLS_Data_begin;
       _TLS_Data_begin = _TLS_Data_size != 0 ? _TLS_Data_begin : _TLS_BSS_begin;
       _TLS_Data_end = _TLS_Data_size != 0 ? _TLS_Data_end : _TLS_BSS_begin;
       _TLS_BSS_size = _TLS_BSS_end - _TLS_BSS_begin;
       _TLS_Size = _TLS_BSS_end - _TLS_Data_begin;
       _TLS_Alignment = MAX (ALIGNOF (.tdata), ALIGNOF (.tbss));
       .preinit_array : ALIGN_WITH_INPUT {
               PROVIDE_HIDDEN (__preinit_array_start = .);
               KEEP (*(.preinit_array))
               PROVIDE_HIDDEN (__preinit_array_end = .);
       } > REGION_RODATA AT > REGION_RODATA_LOAD
       .init_array : ALIGN_WITH_INPUT {
               PROVIDE_HIDDEN (__init_array_start = .);
               KEEP (*(SORT(.init_array.*)))
               KEEP (*(.init_array))
               PROVIDE_HIDDEN (__init_array_end = .);
       } > REGION_RODATA AT > REGION_RODATA_LOAD
       .fini_array : ALIGN_WITH_INPUT {
               PROVIDE_HIDDEN (__fini_array_start = .);
               KEEP (*(.fini_array))
               KEEP (*(SORT(.fini_array.*)))
               PROVIDE_HIDDEN (__fini_array_end = .);
       } > REGION_RODATA AT > REGION_RODATA_LOAD
       .ctors : ALIGN_WITH_INPUT {
               /* gcc uses crtbegin.o to find the start of
                  the constructors, 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.  */
               KEEP (*crtbegin.o(.ctors))
               KEEP (*crtbegin?.o(.ctors))
               /* We don't want to include the .ctor section from
                  the crtend.o file until after the sorted ctors.
                  The .ctor section from the crtend file contains the
                  end of ctors marker and it must be last */
               KEEP (*(EXCLUDE_FILE (*crtend.o *crtend?.o ) .ctors))
               KEEP (*(SORT(.ctors.*)))
               KEEP (*(.ctors))
       } > REGION_RODATA AT > REGION_RODATA_LOAD
       .dtors : ALIGN_WITH_INPUT {
               KEEP (*crtbegin.o(.dtors))
               KEEP (*crtbegin?.o(.dtors))
               KEEP (*(EXCLUDE_FILE (*crtend.o *crtend?.o ) .dtors))
               KEEP (*(SORT(.dtors.*)))
               KEEP (*(.dtors))
       } > REGION_RODATA AT > REGION_RODATA_LOAD
       .data.rel.ro : ALIGN_WITH_INPUT {
               *(.data.rel.ro.local* .gnu.linkonce.d.rel.ro.local.*)
               *(.data.rel.ro .data.rel.ro.* .gnu.linkonce.d.rel.ro.*)
       } > REGION_RODATA AT > REGION_RODATA_LOAD
       .jcr : ALIGN_WITH_INPUT {
               KEEP (*(.jcr))
       } > REGION_RODATA AT > REGION_RODATA_LOAD
       .interp : ALIGN_WITH_INPUT {
               *(.interp)
       } > REGION_RODATA AT > REGION_RODATA_LOAD
       .note.gnu.build-id : ALIGN_WITH_INPUT {
               *(.note.gnu.build-id)
       } > REGION_RODATA AT > REGION_RODATA_LOAD
       .hash : ALIGN_WITH_INPUT {
               *(.hash)
       } > REGION_RODATA AT > REGION_RODATA_LOAD
       .gnu.hash : ALIGN_WITH_INPUT {
               *(.gnu.hash)
       } > REGION_RODATA AT > REGION_RODATA_LOAD
       .dynsym : ALIGN_WITH_INPUT {
               *(.dynsym)
       } > REGION_RODATA AT > REGION_RODATA_LOAD
       .dynstr : ALIGN_WITH_INPUT {
               *(.dynstr)
       } > REGION_RODATA AT > REGION_RODATA_LOAD
       .gnu.version : ALIGN_WITH_INPUT {
               *(.gnu.version)
       } > REGION_RODATA AT > REGION_RODATA_LOAD
       .gnu.version_d : ALIGN_WITH_INPUT {
               *(.gnu.version_d)
       } > REGION_RODATA AT > REGION_RODATA_LOAD
       .gnu.version_r : ALIGN_WITH_INPUT {
               *(.gnu.version_r)
       } > REGION_RODATA AT > REGION_RODATA_LOAD
       .rel.dyn : ALIGN_WITH_INPUT {
               *(.rel.init)
               *(.rel.text .rel.text.* .rel.gnu.linkonce.t.*)
               *(.rel.fini)
               *(.rel.rodata .rel.rodata.* .rel.gnu.linkonce.r.*)
               *(.rel.data.rel.ro* .rel.gnu.linkonce.d.rel.ro.*)
               *(.rel.data .rel.data.* .rel.gnu.linkonce.d.*)
               *(.rel.tdata .rel.tdata.* .rel.gnu.linkonce.td.*)
               *(.rel.tbss .rel.tbss.* .rel.gnu.linkonce.tb.*)
               *(.rel.ctors)
               *(.rel.dtors)
               *(.rel.got)
               *(.rel.bss .rel.bss.* .rel.gnu.linkonce.b.*)
               PROVIDE_HIDDEN (__rel_iplt_start = .);
               *(.rel.iplt)
               PROVIDE_HIDDEN (__rel_iplt_end = .);
               PROVIDE_HIDDEN (__rela_iplt_start = .);
               PROVIDE_HIDDEN (__rela_iplt_end = .);
       } > REGION_RODATA AT > REGION_RODATA_LOAD
       .rela.dyn : ALIGN_WITH_INPUT {
               *(.rela.init)
               *(.rela.text .rela.text.* .rela.gnu.linkonce.t.*)
               *(.rela.fini)
               *(.rela.rodata .rela.rodata.* .rela.gnu.linkonce.r.*)
               *(.rela.data .rela.data.* .rela.gnu.linkonce.d.*)
               *(.rela.tdata .rela.tdata.* .rela.gnu.linkonce.td.*)
               *(.rela.tbss .rela.tbss.* .rela.gnu.linkonce.tb.*)
               *(.rela.ctors)
               *(.rela.dtors)
               *(.rela.got)
               *(.rela.bss .rela.bss.* .rela.gnu.linkonce.b.*)
               *(.rela.rtemsroset*)
               *(.rela.rtemsrwset*)
               PROVIDE_HIDDEN (__rel_iplt_start = .);
               PROVIDE_HIDDEN (__rel_iplt_end = .);
               PROVIDE_HIDDEN (__rela_iplt_start = .);
               *(.rela.iplt)
               PROVIDE_HIDDEN (__rela_iplt_end = .);
       } > REGION_RODATA AT > REGION_RODATA_LOAD
       .rel.plt : ALIGN_WITH_INPUT {
               *(.rel.plt)
       } > REGION_RODATA AT > REGION_RODATA_LOAD
       .rela.plt : ALIGN_WITH_INPUT {
               *(.rela.plt)
       } > REGION_RODATA AT > REGION_RODATA_LOAD
       .plt : ALIGN_WITH_INPUT {
               *(.plt)
       } > REGION_RODATA AT > REGION_RODATA_LOAD
       .iplt : ALIGN_WITH_INPUT {
               *(.iplt)
       } > REGION_RODATA AT > REGION_RODATA_LOAD
       .dynamic : ALIGN_WITH_INPUT {
               *(.dynamic)
       } > REGION_RODATA AT > REGION_RODATA_LOAD
       .got : ALIGN_WITH_INPUT {
               *(.got.plt) *(.igot.plt) *(.got) *(.igot)
       } > REGION_RODATA AT > REGION_RODATA_LOAD
       .rtemsroset : ALIGN_WITH_INPUT {
               /* Special FreeBSD linker set sections */
               __start_set_sysctl_set = .;
               *(set_sysctl_*);
               __stop_set_sysctl_set = .;
               *(set_domain_*);
               *(set_pseudo_*);

               KEEP (*(SORT(.rtemsroset.*)))
               bsp_section_rodata_end = .;
       } > REGION_RODATA AT > REGION_RODATA_LOAD
  bsp_section_rodata_size = bsp_section_rodata_end - bsp_section_rodata_begin;
  bsp_section_rodata_load_begin = LOADADDR (.rodata);
  bsp_section_rodata_load_end = bsp_section_rodata_load_begin + bsp_section_rodata_size;

  .rwbarrier : ALIGN_WITH_INPUT {
    . = ALIGN (bsp_section_rwbarrier_align);
  } > REGION_DATA AT > REGION_DATA

.data : ALIGN_WITH_INPUT {
    bsp_section_data_begin = .;
    *(.data .data.* .gnu.linkonce.d.*)
    SORT(CONSTRUCTORS)
  } > REGION_DATA AT > REGION_DATA_LOAD
  .data1 : ALIGN_WITH_INPUT {
    *(.data1)
  } > REGION_DATA AT > REGION_DATA_LOAD
  .rtemsrwset : ALIGN_WITH_INPUT {
    KEEP (*(SORT(.rtemsrwset.*)))
    bsp_section_data_end = .;
  } > REGION_DATA AT > REGION_DATA_LOAD
  bsp_section_data_size = bsp_section_data_end - bsp_section_data_begin;
  bsp_section_data_load_begin = LOADADDR (.data);
  bsp_section_data_load_end = bsp_section_data_load_begin + bsp_section_data_size;

  .bss : ALIGN_WITH_INPUT {
    bsp_section_bss_begin = .;
    *(.dynbss)
    *(.bss .bss.* .gnu.linkonce.b.*)
    *(COMMON)
    bsp_section_bss_end = .;
  } > REGION_BSS AT > REGION_BSS
  bsp_section_bss_size = bsp_section_bss_end - bsp_section_bss_begin;

  .noinit (NOLOAD) : ALIGN_WITH_INPUT {
    bsp_section_noinit_begin = .;
    *(SORT_BY_NAME (SORT_BY_ALIGNMENT (.noinit*)))
    bsp_section_noinit_end = .;
  } > REGION_BSS AT > REGION_BSS
  bsp_section_noinit_size = bsp_section_noinit_end - bsp_section_noinit_begin;

  .rtemsstack (NOLOAD) : ALIGN_WITH_INPUT{
    *(SORT(.rtemsstack.*))
  } > REGION_WORK AT > REGION_WORK

.work : ALIGN_WITH_INPUT {
    /*
     * The work section will occupy the remaining REGION_WORK region and
     * contains the RTEMS work space and heap.
     */
    bsp_section_work_begin = .;
    . += ORIGIN (REGION_WORK) + LENGTH (REGION_WORK) - ABSOLUTE (.);
    bsp_section_work_end = .;
  } > REGION_WORK AT > REGION_WORK
  bsp_section_work_size = bsp_section_work_end - bsp_section_work_begin;

  .stack : ALIGN_WITH_INPUT {
    bsp_section_stack_end = .;
  } > REGION_STACK AT > REGION_STACK
  bsp_section_stack_size = bsp_section_stack_begin - bsp_section_stack_end;

  RamBase = ORIGIN (REGION_WORK);
  RamSize = LENGTH (REGION_WORK);
  RamEnd = RamBase + RamSize;
  WorkAreaBase = bsp_section_work_begin;
  HeapSize = 0;
}