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Linker Reference Guide
Conventions and feedback
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
--branchnop, --no_branchnop
--callgraph, --no_callgraph
--callgraph_file=filename
--callgraph_output=fmt
--cgfile=type
--cgsymbol=type
--cgundefined=type
--combreloc, --no_combreloc
--comment_section, --no_comment_section
--compress_debug, --no_compress_debug
--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
--exceptions_tables=action
--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
--inlineveneer, --no_inlineveneer
input-file-list
--keep=section_id
--keep_protected_symbols
--largeregions, --no_largeregions
--last=section_id
--ldpartial
--legacyalign, --no_legacyalign
--libpath=pathlist
--library_type=lib
--licretry
--list=filename
--list_mapping_symbols, --no_list_mapping_symbols
--load_addr_map_info, --no_load_addr_map_info
--locals, --no_locals
--ltcg
--mangled, --unmangled
--map, --no_map
--match=crossmangled
--max_veneer_passes=value
--max_visibility=type
--merge, --no_merge
--muldefweak, --no_muldefweak
--output=filename
--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
--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
--xref, --no_xref
--xrefdbg, --no_xrefdbg
--xref{from|to}=object(section)
--zi_base=address
Linker steering file command reference
Formal syntax of the scatter file
--bestdebug, --no_bestdebug
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| Home > Linker command-line options > --bestdebug, --no_bestdebug | |||
This option selects between linking for smallest code/data size or best debug illusion. Input objects might contain common data (COMDAT) groups, but these might not be identical across all input objects because of differences such as objects compiled with different optimization levels.
DefaultThe default is --no_bestdebug. This ensures
that the code and data of the final image are the same regardless
of whether you compile for debug or not. The smallest COMDAT groups
are selected when linking, at the expense of a possibly slightly
poorer debug illusion.
Use --bestdebug to select COMDAT groups with
the best debug view. Be aware that the code and data of the final
image might not be the same when building with or without debug.
For two objects compiled with different optimization levels:
armcc -c -O2 file1.c armcc -c -O0 file2.c armlink --bestdebug fil1.o file2.o -o image.axf
| Copyright © 2008, 2011-2012 ARM. All rights reserved. | ARM DUI 0458C |
| Non-Confidential | ID062912 |
 PDF version | |
| Home > Linker command-line options > --bestdebug, --no_bestdebug |
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