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/**
* @file
*
* @ingroup bsp_linker
*
* @brief Linker command base file.
*/
/*
* Copyright (c) 2008, 2016 embedded brains GmbH. All rights reserved.
*
* embedded brains GmbH
* Dornierstr. 4
* 82178 Puchheim
* Germany
* <rtems@embedded-brains.de>
*
* 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_FORMAT ("elf32-littlearm", "elf32-bigarm", "elf32-littlearm")
OUTPUT_ARCH (arm)
ENTRY (_start)
STARTUP (start.o)
/*
* Global symbols that may be defined externally
*/
bsp_vector_table_size = DEFINED (bsp_vector_table_size) ? bsp_vector_table_size : 64;
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;
bsp_stack_abt_size = DEFINED (bsp_stack_abt_size) ? bsp_stack_abt_size : 0;
bsp_stack_abt_size = ALIGN (bsp_stack_abt_size, bsp_stack_align);
bsp_stack_fiq_size = DEFINED (bsp_stack_fiq_size) ? bsp_stack_fiq_size : 0;
bsp_stack_fiq_size = ALIGN (bsp_stack_fiq_size, bsp_stack_align);
bsp_stack_und_size = DEFINED (bsp_stack_und_size) ? bsp_stack_und_size : 0;
bsp_stack_und_size = ALIGN (bsp_stack_und_size, bsp_stack_align);
bsp_stack_hyp_size = DEFINED (bsp_stack_hyp_size) ? bsp_stack_hyp_size : 0;
bsp_stack_hyp_size = ALIGN (bsp_stack_hyp_size, bsp_stack_align);
MEMORY {
UNEXPECTED_SECTIONS : ORIGIN = 0xffffffff, LENGTH = 0
}
SECTIONS {
.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))
/*
* If requested, align the size of the combined start and text
* section to the next power of two to meet MPU region
* alignment requirements.
*/
. = DEFINED (bsp_align_text_and_rodata_end_to_power_of_2) ?
bsp_section_start_begin
+ ALIGN (. - bsp_section_start_begin,
1 << LOG2CEIL (. - bsp_section_start_begin)) : .;
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
.rodata1 : ALIGN_WITH_INPUT {
*(.rodata1)
} > REGION_RODATA AT > REGION_RODATA_LOAD
.ARM.extab : ALIGN_WITH_INPUT {
*(.ARM.extab* .gnu.linkonce.armextab.*)
} > REGION_RODATA AT > REGION_RODATA_LOAD
.ARM.exidx : ALIGN_WITH_INPUT {
__exidx_start = .;
*(.ARM.exidx* .gnu.linkonce.armexidx.*)
__exidx_end = .;
} > 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_BY_INIT_PRIORITY(.init_array.*) SORT_BY_INIT_PRIORITY(.ctors.*)))
KEEP (*(.init_array EXCLUDE_FILE (*crtbegin.o *crtbegin?.o *crtend.o *crtend?.o ) .ctors))
PROVIDE_HIDDEN (__init_array_end = .);
} > REGION_RODATA AT > REGION_RODATA_LOAD
.fini_array : ALIGN_WITH_INPUT {
PROVIDE_HIDDEN (__fini_array_start = .);
KEEP (*(SORT_BY_INIT_PRIORITY(.fini_array.*) SORT_BY_INIT_PRIORITY(.dtors.*)))
KEEP (*(.fini_array EXCLUDE_FILE (*crtbegin.o *crtbegin?.o *crtend.o *crtend?.o ) .dtors))
PROVIDE_HIDDEN (__fini_array_end = .);
} > 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* .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
.tm_clone_table : ALIGN_WITH_INPUT {
*(.tm_clone_table)
} > 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.*)))
/*
* If requested, align the size of the rodata section to the
* next power of two to meet MPU region alignment requirements.
*/
. = DEFINED (bsp_align_text_and_rodata_end_to_power_of_2) ?
bsp_section_rodata_begin
+ ALIGN (. - bsp_section_rodata_begin,
1 << LOG2CEIL (. - bsp_section_rodata_begin)) : .;
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
.vector : ALIGN_WITH_INPUT {
bsp_section_vector_begin = .;
. = . + DEFINED (bsp_vector_table_in_start_section) ? 0 : 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 = DEFINED (bsp_vector_table_in_start_section) ? bsp_section_start_begin : bsp_section_vector_begin;
bsp_vector_table_end = bsp_vector_table_begin + bsp_vector_table_size;
.fast_text : ALIGN_WITH_INPUT {
bsp_section_fast_text_begin = .;
*(SORT_BY_ALIGNMENT (SORT_BY_NAME (.bsp_fast_text*)))
bsp_section_fast_text_end = .;
} > REGION_FAST_TEXT AT > REGION_FAST_TEXT_LOAD
bsp_section_fast_text_size = bsp_section_fast_text_end - bsp_section_fast_text_begin;
bsp_section_fast_text_load_begin = LOADADDR (.fast_text);
bsp_section_fast_text_load_end = bsp_section_fast_text_load_begin + bsp_section_fast_text_size;
.fast_data : ALIGN_WITH_INPUT {
bsp_section_fast_data_begin = .;
*(SORT_BY_ALIGNMENT (SORT_BY_NAME (.bsp_fast_data*)))
bsp_section_fast_data_end = .;
} > REGION_FAST_DATA AT > REGION_FAST_DATA_LOAD
bsp_section_fast_data_size = bsp_section_fast_data_end - bsp_section_fast_data_begin;
bsp_section_fast_data_load_begin = LOADADDR (.fast_data);
bsp_section_fast_data_load_end = bsp_section_fast_data_load_begin + bsp_section_fast_data_size;
.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;
.rtemsstack (NOLOAD) : ALIGN_WITH_INPUT {
bsp_section_rtemsstack_begin = .;
*(SORT_BY_ALIGNMENT (SORT_BY_NAME (.rtemsstack*)))
bsp_section_rtemsstack_end = .;
} > REGION_WORK AT > REGION_WORK
bsp_section_rtemsstack_size = bsp_section_rtemsstack_end - bsp_section_rtemsstack_begin;
.noinit (NOLOAD) : ALIGN_WITH_INPUT {
bsp_section_noinit_begin = .;
*(.noinit*)
bsp_section_noinit_end = .;
} > REGION_WORK AT > REGION_WORK
bsp_section_noinit_size = bsp_section_noinit_end - bsp_section_noinit_begin;
.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 {
/*
* The stack section will occupy the remaining REGION_STACK region and may
* contain the task stacks. Depending on the region distribution this
* section may be of zero size.
*/
bsp_section_stack_begin = .;
. += ORIGIN (REGION_STACK) + LENGTH (REGION_STACK) - ABSOLUTE (.);
bsp_section_stack_end = .;
} > REGION_STACK AT > REGION_STACK
bsp_section_stack_size = bsp_section_stack_end - bsp_section_stack_begin;
.nocache : ALIGN_WITH_INPUT {
bsp_section_nocache_begin = .;
*(SORT_BY_ALIGNMENT (SORT_BY_NAME (.bsp_nocache*)))
bsp_section_nocache_end = .;
} > REGION_NOCACHE AT > REGION_NOCACHE_LOAD
bsp_section_nocache_size = bsp_section_nocache_end - bsp_section_nocache_begin;
bsp_section_nocache_load_begin = LOADADDR (.nocache);
bsp_section_nocache_load_end = bsp_section_nocache_load_begin + bsp_section_nocache_size;
.nocachenoload (NOLOAD) : ALIGN_WITH_INPUT {
bsp_section_nocachenoload_begin = .;
*(SORT_BY_ALIGNMENT (SORT_BY_NAME (.bsp_noload_nocache*)))
bsp_section_nocacheheap_begin = .;
. += ORIGIN (REGION_NOCACHE) + LENGTH (REGION_NOCACHE) - ABSOLUTE (.);
bsp_section_nocacheheap_end = .;
bsp_section_nocachenoload_end = .;
} > REGION_NOCACHE AT > REGION_NOCACHE
bsp_section_nocacheheap_size = bsp_section_nocacheheap_end - bsp_section_nocacheheap_begin;
bsp_section_nocachenoload_size = bsp_section_nocachenoload_end - bsp_section_nocachenoload_begin;
/* FIXME */
RamBase = ORIGIN (REGION_WORK);
RamSize = LENGTH (REGION_WORK);
RamEnd = RamBase + RamSize;
WorkAreaBase = bsp_section_work_begin;
HeapSize = 0;
/* 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 .gnu.linkonce.wi.*) }
.debug_abbrev 0 : { *(.debug_abbrev) }
.debug_line 0 : { *(.debug_line .debug_line.* .debug_line_end) }
.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) }
/* DWARF 3. */
.debug_pubtypes 0 : { *(.debug_pubtypes) }
.debug_ranges 0 : { *(.debug_ranges) }
/* DWARF 5. */
.debug_addr 0 : { *(.debug_addr) }
.debug_line_str 0 : { *(.debug_line_str) }
.debug_loclists 0 : { *(.debug_loclists) }
.debug_macro 0 : { *(.debug_macro) }
.debug_names 0 : { *(.debug_names) }
.debug_rnglists 0 : { *(.debug_rnglists) }
.debug_str_offsets 0 : { *(.debug_str_offsets) }
.debug_sup 0 : { *(.debug_sup) }
.ARM.attributes 0 : { KEEP (*(.ARM.attributes)) KEEP (*(.gnu.attributes)) }
.note.gnu.arm.ident 0 : { KEEP (*(.note.gnu.arm.ident)) }
/DISCARD/ : { *(.note.GNU-stack) *(.gnu_debuglink) *(.gnu.lto_*) }
/*
* This is a RTEMS specific section to catch all unexpected input
* sections. In case you get an error like
* "section `.unexpected_sections' will not fit in region
* `UNEXPECTED_SECTIONS'"
* you have to figure out the offending input section and add it to the
* appropriate output section definition above.
*/
.unexpected_sections : { *(*) } > UNEXPECTED_SECTIONS
}
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