1WINEDUMP(1)                 Wine Developers Manual                 WINEDUMP(1)
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NAME

6       winedump - A Wine DLL tool
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SYNOPSIS

9       winedump [-h | sym sym | spec dll | dump file ] [mode_options]
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DESCRIPTION

12       winedump is a Wine tool which aims to help:
13       A: Reimplementing a Win32 DLL for use within Wine, or
14       B: Compiling a Win32 application with Winelib that uses x86 DLLs
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16       For both tasks in order to be able to link to the Win functions some
17       glue code is needed.  This 'glue' comes in the form of a .spec file.
18       The .spec file, along with some dummy code, is used to create a
19       Wine .so corresponding to the Windows DLL.  The winebuild program
20       can then resolve calls made to DLL functions.
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22       Creating a .spec file is a labour intensive task during which it is
23       easy to make a mistake. The idea of winedump is to automate this task
24       and create the majority of the support code needed for your DLL. In
25       addition you can have winedump create code to help you re-implement a
26       DLL, by providing tracing of calls to the DLL, and (in some cases)
27       automatically determining the parameters, calling conventions, and
28       return values of the DLL functions.
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30       Another use for this tool is to display (dump) information about a 32bit
31       DLL or PE format image file. When used in this way winedump functions
32       similarly to tools such as pedump provided by many Win32 compiler
33       vendors.
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35       Finally winedump can be also used to demangle C++ symbols.
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MODES

38       winedump can be used in several different modes.  The first argument to
39       the program determines the mode winedump will run in.
40
41       -h     Help mode.  Basic usage help is printed.
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43       dump   To dump the contents of a file.
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45       spec   For generating .spec files and stub DLLs.
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47       sym    Symbol mode.  Used to demangle C++ symbols.
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OPTIONS

50       Mode options depend on the mode given as the first argument.
51
52       Help mode:
53       No options are used.
54       The program prints the help info and then exits.
55
56       Dump mode:
57
58       file   Dumps the contents of file. Various file formats are supported
59              (PE, NE, LE, Minidumps, .lnk).
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61       -C     Turns on symbol demangling.
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63       -f     Dumps file header information.
64              This option dumps only the standard PE header structures,
65              along with the COFF sections available in the file.
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67       -j dir_name
68              Dumps only the content of directory dir_name, for files
69              which header points to directories.
70              For PE files, currently the import, export, debug, resource,
71              tls and clr directories are implemented.
72              For NE files, currently the export and resource directories are
73              implemented.
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75       -x     Dumps everything.
76              This command prints all available information (including all
77              available directories - see -j option) about the file. You may
78              wish to pipe the output through more/less or into a file, since
79              a lot of output will be produced.
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81       -G     Dumps contents of debug section if any (for now, only stabs
82              information is supported).
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84       Spec mode:
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86       dll    Use dll for input file and generate implementation code.
87
88       -I dir Look for prototypes in dir (implies -c). In the case of
89              Windows DLLs, this could be either the standard include
90              directory from your compiler, or a SDK include directory.
91              If you have a text document with prototypes (such as
92              documentation) that can be used also, however you may need
93              to delete some non-code lines to ensure that prototypes are
94              parsed correctly.
95              The dir argument can also be a file specification (e.g.
96              include/*). If it contains wildcards you must quote it to
97              prevent the shell from expanding it.
98              If you have no prototypes, specify /dev/null as dir.
99              winedump may still be able to generate some working stub
100              code for you.
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102       -c     Generate skeleton code (requires -I).
103              This option tells winedump to create function stubs for each
104              function in the DLL. As winedump reads each exported symbol
105              from the source DLL, it first tries to demangle the name. If
106              the name is a C++ symbol, the arguments, class and return
107              value are all encoded into the symbol name. Winedump
108              converts this information into a C function prototype. If
109              this fails, the file(s) specified in the -I argument are
110              scanned for a function prototype. If one is found it is used
111              for the next step of the process, code generation.
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113       -t     TRACE arguments (implies -c).
114              This option produces the same code as -c, except that
115              arguments are printed out when the function is called.
116              Structs that are passed by value are printed as "struct",
117              and functions that take variable argument lists print "...".
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119       -f dll Forward calls to dll (implies -t).
120              This is the most complicated level of code generation. The
121              same code is generated as -t, however support is added for
122              forwarding calls to another DLL. The DLL to forward to is
123              given as dll.
124
125       -D     Generate documentation.
126              By default, winedump generates a standard comment at the
127              header of each function it generates. Passing this option
128              makes winedump output a full header template for standard
129              Wine documentation, listing the parameters and return value
130              of the function.
131
132       -o name
133              Set the output dll name (default: dll).
134              By default, if winedump is run on DLL foo, it creates
135              files foo.spec, foo_main.c etc, and prefixes any
136              functions generated with FOO_.  If -o bar is given,
137              these will become bar.spec, bar_main.c and BAR_
138              respectively.
139              This option is mostly useful when generating a forwarding DLL.
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141       -C     Assume __cdecl calls (default: __stdcall).
142              If winebuild cannot determine the calling convention,
143              __stdcall is used by default, unless this option has
144              been given.
145              Unless -q is given, a warning will be printed for every
146              function that winedump determines the calling convention
147              for and which does not match the assumed calling convention.
148
149       -s num Start prototype search after symbol num.
150
151       -e num End prototype search after symbol num.
152              By passing the -s or -e options you can have winedump try to
153              generate code for only some functions in your DLL. This may
154              be used to generate a single function, for example, if you
155              wanted to add functionality to an existing DLL.
156
157       -S symfile
158              Search only prototype names found in symfile.
159              If you want to only generate code for a subset of exported
160              functions from your source DLL, you can use this option to
161              provide a text file containing the names of the symbols to
162              extract, one per line. Only the symbols present in this file
163              will be used in your output DLL.
164
165       -q     Don't show progress (quiet).
166              No output is printed unless a fatal error is encountered.
167
168       -v     Show lots of detail while working (verbose).
169              There are 3 levels of output while winedump is running. The
170              default level, when neither -q or -v are given, prints the
171              number of exported functions found in the dll, followed by
172              the name of each function as it is processed, and a status
173              indication of whether it was processed OK.  With -v given, a
174              lot of information is dumped while winedump works: this is
175              intended to help debug any problems.
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177       Sym mode:
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179       sym    Demangles C++ symbol sym and then exits.
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FILES

182       function_grep.pl
183              Perl script used to retrieve a function prototype.
184
185       Files output in spec mode for foo.dll:
186       foo.spec
187              This is the .spec file.
188       foo_dll.h
189       foo_main.c
190              These are the source code files containing the minimum set
191              of code to build a stub DLL. The C file contains one
192              function, FOO_Init, which does nothing (but must be
193              present).
194       Makefile.in
195              This is a template for configure to produce a makefile. It
196              is designed for a DLL that will be inserted into the Wine
197              source tree.
198

BUGS

200       C++ name demangling is not fully in sync  with  the  implementation  in
201       msvcrt.   It  might  be useful to submit your C++ name to the testsuite
202       for msvcrt.
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204       Bugs can be reported on the Wine bug tracker https://bugs.winehq.org⟩.
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AUTHORS

207       Jon P. Griffiths <jon_p_griffiths at yahoo dot com>
208       Michael Stefaniuc <mstefani at redhat dot com>
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AVAILABILITY

211       winedump is part of the Wine distribution, which is  available  through
212       WineHQ, the Wine development headquarters https://www.winehq.org/⟩.
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SEE ALSO

215       wine(1)
216       Wine documentation and support https://www.winehq.org/help⟩.
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220Wine 4.21                        October 2005                      WINEDUMP(1)
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