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225 lines
6.4 KiB
Plaintext
225 lines
6.4 KiB
Plaintext
<!doctype linuxdoc system>
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<article>
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<title>od65 Users Guide
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<author>Ullrich von Bassewitz, <htmlurl url="mailto:uz@cc65.org" name="uz@cc65.org">
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<date>2010-07-30
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<abstract>
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od65 is the object file dump utility. It is able to output most parts of
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<htmlurl url="ca65.html" name="ca65"> generated object files in readable form.
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</abstract>
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<!-- Table of contents -->
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<toc>
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<!-- Begin the document -->
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<sect>Overview<p>
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od65 is an object file dump utility. It is able to output most parts of
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<htmlurl url="ca65.html" name="ca65"> generated object files in readable form.
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Since the contents and format of the object files are not documented
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elsewhere and may change at any time, this tool is a portable way to look at
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the contents.
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Apart from curiosity, most people don't need to use this tool.
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<sect>Usage<p>
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The od65 utility dumps contents of one or more ca65 generated object file to
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standard output. It has no cross-version compatibility, so you have to use
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a version that matches the version of ca65 used to create the object files.
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<sect1>Command line option overview<p>
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The program may be called as follows:
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<tscreen><verb>
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---------------------------------------------------------------------------
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Usage: od65 [options] file [options] [file]
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Short options:
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-h Help (this text)
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-H Dump the object file header
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-S Dump segments sizes
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-V Print the version number and exit
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Long options:
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--dump-all Dump all object file information
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--dump-dbgsyms Dump debug symbols
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--dump-exports Dump exported symbols
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--dump-files Dump the source files
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--dump-header Dump the object file header
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--dump-imports Dump imported symbols
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--dump-lineinfo Dump line information
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--dump-options Dump object file options
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--dump-segments Dump the segments in the file
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--dump-segsize Dump segments sizes
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--help Help (this text)
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--version Print the version number and exit
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---------------------------------------------------------------------------
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</verb></tscreen>
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<sect1>Command line options in detail<p>
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Here is a description of all the command line options:
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<descrip>
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<tag><tt>--dump-all</tt></tag>
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This will output all information, od65 is able to process. The option is a
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shortcut for specifying all the other <tt/--dump/ options.
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<tag><tt>--dump-dbgsyms</tt></tag>
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Dump all debug symbols contained in the object file.
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<tag><tt>--dump-exports</tt></tag>
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Dump all exported symbols contained in the object file.
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<tag><tt>--dump-files</tt></tag>
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Dump the file table contained in the object file.
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<tag><tt>-H, --dump-header</tt></tag>
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Dump the object file header.
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<tag><tt>--dump-imports</tt></tag>
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Dump the list of imported symbols contained in the object file.
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<tag><tt>--dump-lineinfo</tt></tag>
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Dump the line info contained in the object file.
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<tag><tt>--dump-segments</tt></tag>
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Dump the list of segments contained in the object file.
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<tag><tt>--dump-scopes</tt></tag>
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Dump the scope (lexical level) information contained in the object file.
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<tag><tt>-S, --dump-segsize</tt></tag>
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Dump the sizes of all segments contained in the object file. This option is
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quite useful to determine the effect of measures that increase or decrease
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code size.
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<tag><tt>-h, --help</tt></tag>
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Print the short option summary shown above.
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<tag><tt>-V, --version</tt></tag>
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Print the version number of the compiler. When submitting a bug report,
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please include the operating system you're using, and the compiler
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version.
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</descrip>
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<sect>Input and output<p>
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The converter will read one or more object files per invocation and write the
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contents in readable format to standard output. Please note that you need to
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specify and of the <tt/--dump/ options listed above, otherwise no useful
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output will be generated.
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Example output for the command
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<tscreen><verb>
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od65 --dump-header --dump-files t.o
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</verb></tscreen>
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<tscreen><verb>
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t.o:
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Header:
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Magic: 0x616E7A55
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Version: 12
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Flags: 0x0001 (OBJ_FLAGS_DBGINFO)
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Options:
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Offset: 88
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Size: 9
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Files:
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Offset: 97
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Size: 10
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Segments:
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Offset: 107
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Size: 101
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Imports:
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Offset: 208
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Size: 1
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Exports:
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Offset: 209
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Size: 1
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Debug symbols:
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Offset: 210
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Size: 55
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Line infos:
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Offset: 265
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Size: 1
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String pool:
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Offset: 266
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Size: 80
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Files:
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Count: 1
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Index: 0
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Name: "t.s"
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Size: 402
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Modification time: 1280498435 (Fri Jul 30 16:00:35 2010)
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</verb></tscreen>
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<sect>Bugs/Feedback<p>
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If you have problems using the converter, if you find any bugs, or if you're
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doing something interesting with the code, I would be glad to hear from you.
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Feel free to contact me by email (<htmlurl url="mailto:uz@cc65.org"
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name="uz@cc65.org">).
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<sect>Copyright<p>
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od65 is (C) Copyright 2000-2009, Ullrich von Bassewitz. For usage of the
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binaries and/or sources the following conditions apply:
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This software is provided 'as-is', without any expressed or implied
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warranty. In no event will the authors be held liable for any damages
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arising from the use of this software.
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Permission is granted to anyone to use this software for any purpose,
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including commercial applications, and to alter it and redistribute it
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freely, subject to the following restrictions:
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<enum>
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<item> The origin of this software must not be misrepresented; you must not
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claim that you wrote the original software. If you use this software
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in a product, an acknowledgment in the product documentation would be
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appreciated but is not required.
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<item> Altered source versions must be plainly marked as such, and must not
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be misrepresented as being the original software.
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<item> This notice may not be removed or altered from any source
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distribution.
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</enum>
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</article>
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