Add documentation for llvm-dwarfdump tool

llvm-svn: 209173

1 files changed, 30 insertions, 0 deletions

diff --git a/llvm/docs/CommandGuide/llvm-dwarfdump.rst b/llvm/docs/CommandGuide/llvm-dwarfdump.rst
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+llvm-dwarfdump - print contents of DWARF sections
+=================================================
+
+SYNOPSIS
+--------
+
+:program:`llvm-dwarfdump` [*options*] [*filenames...*]
+
+DESCRIPTION
+-----------
+
+:program:`llvm-dwarfdump` parses DWARF sections in the object files
+and prints their contents in human-readable form.
+
+OPTIONS
+-------
+
+.. option:: -debug-dump=section
+
+  Specify the DWARF section to dump.
+  For example, use ``abbrev`` to dump the contents of ``.debug_abbrev`` section,
+  ``loc.dwo`` to dump the contents of ``.debug_loc.dwo`` etc.
+  See ``llvm-dwarfdump --help`` for the complete list of supported sections.
+  Use ``all`` to dump all DWARF sections. It is the default.
+
+EXIT STATUS
+-----------
+
+:program:`llvm-dwarfdump` returns 0. Other exit codes imply internal
+program error.