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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


9.76 --max_veneer_passes=value

Specifies a limit to the number of veneer generation passes the linker attempts to make when certain conditions are met.


Where value is the maximum number of veneer passes the linker is to attempt. The minimum value you can specify is one.


The linker applies this limit when both the following conditions are met:
  • A section that is sufficiently large has a relocation that requires a veneer.
  • The linker cannot place the veneer close enough to the call site.
The linker attempts to diagnose the failure if the maximum number of veneer generation passes you specify is exceeded, and displays a warning message. You can downgrade this warning message using --diag_remark.


The default number of passes is 10.
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