/* SPDX-License-Identifier: BSD-2-Clause */ /** * @file * * @ingroup bsp_linker * * @brief Linker command base file. */ /* * Copyright (C) 2020 On-Line Applications Research Corporation (OAR) * Written by Kinsey Moore * * Redistribution and use in source and binary forms, with or without * modification, are permitted provided that the following conditions * are met: * 1. Redistributions of source code must retain the above copyright * notice, this list of conditions and the following disclaimer. * 2. Redistributions in binary form must reproduce the above copyright * notice, this list of conditions and the following disclaimer in the * documentation and/or other materials provided with the distribution. * * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS IS" * AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE * ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT OWNER OR CONTRIBUTORS BE * LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR * CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF * SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS * INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN * CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) * ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE * POSSIBILITY OF SUCH DAMAGE. */ ENTRY (_start) STARTUP (start.o) /* * Global symbols that may be defined externally */ bsp_stack_align = DEFINED (bsp_stack_align) ? bsp_stack_align : 16; bsp_stack_exception_size = DEFINED (bsp_stack_exception_size) ? bsp_stack_exception_size : 0; bsp_stack_exception_size = ALIGN (bsp_stack_exception_size, bsp_stack_align); 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_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 = 0xffffffffffffffff, 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)) 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 .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.*))) 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 = .; *(.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 = .; *(.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 = .; *(SORT_BY_NAME (SORT_BY_ALIGNMENT (.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 }