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DSYMUTIL(1)			     LLVM			   DSYMUTIL(1)

NAME
       dsymutil	- manipulate archived DWARF debug symbol files

SYNOPSIS
       dsymutil	[options] executable

DESCRIPTION
       dsymutil	 links	the  DWARF debug information found in the object files
       for an executable executable by using debug  symbols  information  con-
       tained in its symbol table. By default, the linked debug	information is
       placed in a .dSYM bundle	with the same name as the executable.

OPTIONS
       --accelerator=<accelerator type>
	      Specify the desired type of accelerator table. Valid options are
	      'Apple', 'Dwarf' and 'Default'.

       --arch <arch>
	      Link DWARF debug information only	for specified CPU architecture
	      types.  Architectures may	be specified by	name. When using  this
	      option,  an  error will be returned if any architectures can not
	      be properly linked.   This  option  can  be  specified  multiple
	      times, once for each desired architecture. All CPU architectures
	      will be linked by	default	and any	architectures  that  can't  be
	      properly linked will cause dsymutil to return an error.

       --dump-debug-map
	      Dump  the	 executable's  debug-map (the list of the object files
	      containing the debug information)	in YAML	format and  exit.  Not
	      DWARF link will take place.

       --flat, -f
	      Produce a	flat dSYM file.	A .dwarf extension will	be appended to
	      the executable name unless the output file  is  specified	 using
	      the -o option.

       --gen-reproducer
	      Generate a reproducer consisting of the input object files.

       --help, -h
	      Print this help output.

       --minimize, -z
	      When  used  when creating	a dSYM file, this option will suppress
	      the emission of the .debug_inlines,  .debug_pubnames,  and  .de-
	      bug_pubtypes sections since dsymutil currently has better	equiv-
	      alents: .apple_names and .apple_types. When used in  conjunction
	      with --update option, this option	will cause redundant accelera-
	      tor tables to be removed.

       --no-odr
	      Do not use ODR (One Definition Rule) for uniquing	C++ types.

       --no-output
	      Do the link in memory, but do not	emit the result	file.

       --no-swiftmodule-timestamp
	      Don't check the timestamp	for swiftmodule	files.

       --num-threads <threads>,	-j <threads>
	      Specifies	the maximum number (n) of simultaneous threads to  use
	      when linking multiple architectures.

       --object-prefix-map <prefix=remapped>
	      Remap object file	paths (but no source paths) before processing.
	      Use this for Clang objects where the module cache	 location  was
	      remapped	using  -fdebug-prefix-map;  to	help dsymutil find the
	      Clang module cache.

       --oso-prepend-path <path>
	      Specifies	a path to prepend to  all  debug  symbol  object  file
	      paths.

       --out <filename>, -o <filename>
	      Specifies	 an  alternate	path to	place the dSYM bundle. The de-
	      fault dSYM bundle	path is	created	by appending .dSYM to the exe-
	      cutable name.

       --papertrail
	      When  running  dsymutil  as part of your build system, it	can be
	      desirable	for warnings to	be part	of  the	 end  product,	rather
	      than just	being emitted to the output stream. When enabled warn-
	      ings are embedded	in the linked DWARF debug information.

       --remarks-output-format <format>
	      Specify the format to be used when serializing  the  linked  re-
	      marks.

       --remarks-prepend-path <path>
	      Specify  a directory to prepend the paths	of the external	remark
	      files.

       --statistics
	      Print statistics about the contribution of each object  file  to
	      the  linked  debug  info.	This prints a table after linking with
	      the object file name, the	size of	the debug info in  the	object
	      file  (in	 bytes)	 and  the  size	 contributed (in bytes)	to the
	      linked dSYM. The table is	sorted by the output size listing  the
	      obj ect files with the largest contribution first.

       --symbol-map <bcsymbolmap>
	      Update the existing dSYMs	inplace	using symbol map specified.

       -s, --symtab
	      Dumps the	symbol table found in executable or object file(s) and
	      exits.

       -S     Output textual assembly instead of a binary dSYM companion file.

       --toolchain <toolchain>
	      Embed the	toolchain in the dSYM bundle's property	list.

       -u, --update
	      Update an	existing dSYM file to contain the  latest  accelerator
	      tables  and  other DWARF optimizations. This option will rebuild
	      the '.apple_names' and '.apple_types' hashed accelerator tables.

       --use-reproducer	<path>
	      Use the object files from	the given reproducer path.

       --verbose
	      Display verbose information when linking.

       --verify
	      Run the DWARF verifier on	the linked DWARF debug info.

       -v, --version
	      Display the version of the tool.

       -y     Treat executable as a YAML debug-map rather than an executable.

EXIT STATUS
       dsymutil	returns	0 if the DWARF debug information was  linked  success-
       fully. Otherwise, it returns 1.

SEE ALSO
       llvm-dwarfdump(1)

AUTHOR
       Maintained by the LLVM Team (https://llvm.org/).

COPYRIGHT
       2003-2021, LLVM Project

11				  2021-02-28			   DSYMUTIL(1)

NAME | SYNOPSIS | DESCRIPTION | OPTIONS | EXIT STATUS | SEE ALSO | AUTHOR | COPYRIGHT

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