dsymutil-8(1)



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
       --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.

       -f, --flat
              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.

       -z, --minimize
              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.

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

       -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.

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

       --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.

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

       --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.

       -v, --verbose
              Display verbose information when linking.

       --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
       2003-2020, LLVM Project

8                                 2020-03-19                       DSYMUTIL(1)

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