Add man page for llvm-readobj

git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@179244 91177308-0d34-0410-b5e6-96231b3b80d8

docs/CommandGuide/index.rst

@@ -50,3 +50,4 @@ Developer Tools
    tblgen
    lit
    llvm-build
+   llvm-readobj

docs/CommandGuide/llvm-readobj.rst

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+llvm-readobj - LLVM Object Reader
+=================================
+
+SYNOPSIS
+--------
+
+:program:`llvm-readobj` [*options*] [*input...*]
+
+DESCRIPTION
+-----------
+
+The :program:`llvm-readobj` tool displays low-level format-specific information
+about one or more object files. The tool and its output is primarily designed
+for use in FileCheck-based tests.
+
+OPTIONS
+-------
+
+If ``input`` is "``-``" or omitted, :program:`llvm-readobj` reads from standard
+input. Otherwise, it will read from the specified ``filenames``.
+
+.. option:: -help
+
+ Print a summary of command line options.
+
+.. option:: -version
+
+ Display the version of this program
+
+.. option:: -file-headers, -h
+
+ Display file headers.
+
+.. option:: -sections, -s
+
+ Display all sections.
+
+.. option:: -section-data, -sd
+
+ When used with ``-sections``, display section data for each section shown.
+
+.. option:: -section-relocations, -sr
+
+ When used with ``-sections``, display relocations for each section shown.
+
+.. option:: -section-symbols, -st
+
+ When used with ``-sections``, display symbols for each section shown.
+
+.. option:: -relocations, -r
+
+ Display the relocation entries in the file.
+
+.. option:: -symbols, -t
+
+ Display the symbol table.
+
+.. option:: -dyn-symbols
+
+ Display the dynamic symbol table (only for ELF object files).
+
+.. option:: -unwind, -u
+
+ Display unwind information.
+
+.. option:: -dynamic-table
+
+ Display the ELF .dynamic section table (only for ELF object files).
+
+.. option:: -needed-libs
+
+ Display the needed libraries (only for ELF object files).
+
+EXIT STATUS
+-----------
+
+:program:`llvm-readobj` returns 0.