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c0997f81d5
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. This patch upstreams that functionality. Differential revision: https://reviews.llvm.org/D44639 llvm-svn: 328965
116 lines
3.4 KiB
ReStructuredText
116 lines
3.4 KiB
ReStructuredText
dsymutil - manipulate archived DWARF debug symbol files
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=======================================================
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SYNOPSIS
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--------
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| :program:`dsymutil` [*options*] *executable*
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DESCRIPTION
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-----------
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:program:`dsymutil` links the DWARF debug information found in the object files
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for an executable *executable* by using debug symbols information contained in
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its symbol table. By default, the linked debug information is placed in a
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``.dSYM`` bundle with the same name as the executable.
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OPTIONS
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-------
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.. option:: --arch=<arch>
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Link DWARF debug information only for specified CPU architecture types.
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Architectures may be specified by name. When using this option, an error will
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be returned if any architectures can not be properly linked. This option can
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be specified multiple times, once for each desired architecture. All CPU
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architectures will be linked by default and any architectures that can't be
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properly linked will cause :program:`dsymutil` to return an error.
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.. option:: --dump-debug-map
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Dump the *executable*'s debug-map (the list of the object files containing the
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debug information) in YAML format and exit. Not DWARF link will take place.
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.. option:: -f, --flat
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Produce a flat dSYM file. A ``.dwarf`` extension will be appended to the
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executable name unless the output file is specified using the -o option.
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.. option:: -z, --minimize
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When used when creating a dSYM file, this option will suppress the emission of
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the .debug_inlines, .debug_pubnames, and .debug_pubtypes sections since
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dsymutil currently has better equivalents: .apple_names and .apple_types. When
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used in conjunction with --update option, this option will cause redundant
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accelerator tables to be removed.
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.. option:: --no-odr
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Do not use ODR (One Definition Rule) for uniquing C++ types.
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.. option:: --no-output
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Do the link in memory, but do not emit the result file.
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.. option:: --no-swiftmodule-timestamp
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Don't check the timestamp for swiftmodule files.
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.. option:: -j <n>, --num-threads=<n>
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Specifies the maximum number (``n``) of simultaneous threads to use when
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linking multiple architectures.
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.. option:: -o <filename>
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Specifies an alternate ``path`` to place the dSYM bundle. The default dSYM
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bundle path is created by appending ``.dSYM`` to the executable name.
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.. option:: --oso-prepend-path=<path>
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Specifies a ``path`` to prepend to all debug symbol object file paths.
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.. option:: --papertrail
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When running dsymutil as part of your build system, it can be desirable for
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warnings to be part of the end product, rather than just being emitted to the
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output stream. When enabled warnings are embedded in the linked DWARF debug
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information.
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.. option:: -s, --symtab
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Dumps the symbol table found in *executable* or object file(s) and exits.
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.. option:: --toolchain
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Embed the toolchain in the dSYM bundle's property list.
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.. option:: -u, --update
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Update an existing dSYM file to contain the latest accelerator tables and
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other DWARF optimizations. This option will rebuild the '.apple_names' and
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'.apple_types' hashed accelerator tables.
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.. option:: -v, --verbose
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Display verbose information when linking.
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.. option:: --version
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Display the version of the tool.
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.. option:: -y
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Treat *executable* as a YAML debug-map rather than an executable.
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EXIT STATUS
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-----------
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:program:`dsymutil` returns 0 if the DWARF debug information was linked
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successfully. Otherwise, it returns 1.
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SEE ALSO
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--------
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:manpage:`llvm-dwarfdump(1)`
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