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Linker User Guide

Preface Overview of the Linker Linking Models Supported by armlink Image Structure and Generation Linker Optimization Features Getting Image Details Accessing and Managing Symbols with armlink Scatter-loading Features Scatter File Syntax Linker Command-line Options --any_contingency --any_placement=algorithm --any_sort_order=order --api, --no_api --arm_only --autoat, --no_autoat --be8 --be32 --bestdebug, --no_bestdebug --blx_arm_thumb, --no_blx_arm_thumb --blx_thumb_arm, --no_blx_thumb_arm --branchnop, --no_branchnop --callgraph, --no_callgraph --callgraph_file=filename --callgraph_output=fmt --callgraph_subset=symbol[,symbol,...] --cgfile=type --cgsymbol=type --cgundefined=type --comment_section, --no_comment_section --compress_debug, --no_compress_debug --cpp_compat linker option --cppinit, --no_cppinit --cpu=list --cpu=name --crosser_veneershare, --no_crosser_veneershare --datacompressor=opt --debug, --no_debug --diag_error=tag[,tag,…] --diag_remark=tag[,tag,…] --diag_style=arm|ide|gnu --diag_suppress=tag[,tag,…] --diag_warning=tag[,tag,…] --eager_load_debug, --no_eager_load_debug --edit=file_list --emit_debug_overlay_relocs --emit_debug_overlay_section --emit_non_debug_relocs --emit_relocs --entry=location --errors=filename --exceptions, --no_exceptions --feedback=filename --feedback_image=option --feedback_type=type --filtercomment, --no_filtercomment --fini=symbol --first=section_id --force_explicit_attr --fpu=list --fpu=name --help --info=topic[,topic,…] --info_lib_prefix=opt --init=symbol --inline, --no_inline --inline_type=type --inlineveneer, --no_inlineveneer input-file-list --keep=section_id --largeregions, --no_largeregions --last=section_id --ldpartial --legacyalign, --no_legacyalign --libpath=pathlist --library_type=lib --liclinger=seconds --list=filename --list_mapping_symbols, --no_list_mapping_symbols --load_addr_map_info, --no_load_addr_map_info --locals, --no_locals --mangled, --unmangled --map, --no_map --match=crossmangled --max_er_extension=size --max_veneer_passes=value --max_visibility=type --merge, --no_merge --muldefweak, --no_muldefweak -o filename, --output=filename --output_float_abi=option --override_visibility --pad=num --paged --pagesize=pagesize --partial --piveneer, --no_piveneer --predefine="string" --reduce_paths, --no_reduce_paths --ref_cpp_init, --no_ref_cpp_init --reloc --remarks --remove, --no_remove --ro_base=address --ropi --rosplit --rw_base=address --rwpi --scanlib, --no_scanlib --scatter=filename --section_index_display=type --show_cmdline --show_full_path --show_parent_lib --show_sec_idx --sort=algorithm --split --startup=symbol, --no_startup --strict --strict_enum_size, --no_strict_enum_size --strict_flags, --no_strict_flags --strict_ph, --no_strict_ph --strict_relocations, --no_strict_relocations --strict_symbols, --no_strict_symbols --strict_visibility, --no_strict_visibility --strict_wchar_size, --no_strict_wchar_size --symbols, --no_symbols --symdefs=filename --tailreorder, --no_tailreorder --thumb2_library, --no_thumb2_library --tiebreaker=option --unaligned_access, --no_unaligned_access --undefined=symbol --undefined_and_export=symbol --unresolved=symbol --use_definition_visibility --userlibpath=pathlist --veneerinject, --no_veneerinject --veneer_inject_type=type --veneer_pool_size=size --veneershare, --no_veneershare --verbose --version_number --vfemode=mode --via=filename --vsn --xo_base=address --xref, --no_xref --xrefdbg, --no_xrefdbg --xref{from|to}=object(section) --zi_base=address Linker Steering File Command Reference Via File Syntax

--reloc

9.91 --reloc

Creates a single relocatable load region with contiguous execution regions.

Usage

Only use this option for legacy systems with the type of relocatable ELF images that conform to the ELF for the ARM Architecture specification. The generated image might not be compliant with the ELF for the ARM® Architecture specification.
When relocated MOVT and MOVW instructions are encountered in an image being linked with --reloc, armlink produces the following additional dynamic tags:
DT_RELA
The address of a relocation table.
DT_RELASZ
The total size, in bytes, of the DT_RELA relocation table.
DT_RELAENT
The size, in bytes, of the DT_RELA relocation entry.

Restrictions

You cannot use --reloc with --scatter.
You cannot use this option with --xo_base.
Non-ConfidentialPDF file icon PDF versionARM DUI0377H
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