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WINEBUILD(1) Wine Developers Manual WINEBUILD(1) NAME winebuild - Wine dll builder SYNOPSIS winebuild [options] [inputfile...] DESCRIPTION winebuild generates the assembly files that are necessary to build a Wine dll, which is basically a Win32 dll encapsulated inside a Unix li- brary. winebuild has different modes, depending on what kind of file it is asked to generate. The mode is specified by one of the mode options specified below. In addition to the mode option, various other command- line option can be specified, as described in the OPTIONS section. MODE OPTIONS You have to specify exactly one of the following options, depending on what you want winebuild to generate. --dll Build an assembly file from a .spec file (see SPEC FILE SYNTAX for details), or from a standard Windows .def file. The .spec/.def file is specified via the -E option. The resulting file must be assembled and linked to the other object files to build a working Wine dll. In this mode, the input files should be the list of all object files that will be linked into the fi- nal dll, to allow winebuild to get the list of all undefined symbols that need to be imported from other dlls. --exe Build an assembly file for an executable. This is basically the same as the --dll mode except that it doesn't require a .spec/.def file as input, since an executable need not export functions. Some executables however do export functions, and for those a .spec/.def file can be specified via the -E option. The executable is named from the .spec/.def file name if present, or explicitly through the -F option. The resulting file must be as- sembled and linked to the other object files to build a working Wine executable, and all the other object files must be listed as input files. --def Build a .def file from a spec file. The .spec file is specified via the -E option. This is used when building dlls with a PE (Win32) compiler. --implib Build a .a import library from a spec file. The .spec file is specified via the -E option. If the output library name ends in .delay.a, a delayed import library is built. --staticlib Build a .a static library from object files. --resources Generate a .o file containing all the input resources. This is useful when building with a PE compiler, since the PE binutils cannot handle multiple resource files as input. For a standard Unix build, the resource files are automatically included when building the spec file, so there's no need for an intermediate .o file. --builtin Mark a PE module as a Wine builtin module, by adding the "Wine builtin DLL" signature string after the DOS header. --fixup-ctors Fixup constructors after a module has been built. This should be done on the final .so module if its code contains constructors, to ensure that Wine has a chance to initialize the module before the constructors are executed. OPTIONS --as-cmd=as-command Specify the command to use to compile assembly files; the de- fault is as. -b, --target=cpu-manufacturer[-kernel]-os Specify the target CPU and platform on which the generated code will be built. The target specification is in the standard auto- conf format as returned by config.sub. -B directory Add the directory to the search path for the various binutils tools like as, nm and ld. --cc-cmd=cc-command Specify the C compiler to use to compile assembly files; the de- fault is to instead use the assembler specified with --as-cmd. --data-only Build a module that contains only data and resources, and no ex- ecutable code. With this option, winebuild directly outputs a PE file, instead of an assembly or object file. -d, --delay-lib=name Set the delayed import mode for the specified library, which must be one of the libraries imported with the -l option. De- layed mode means that the library won't be loaded until a func- tion imported from it is actually called. -D symbol Ignored for compatibility with the C compiler. --disable-dynamicbase Disable 'ASLR' address space layout randomization in executable image. The default is 'ASLR' enabled. -e, --entry=function Specify the module entry point function; if not specified, the default is DllMain for dlls, and main for executables (if the standard C main is not defined, WinMain is used instead). This is only valid for Win32 modules. -E, --export=filename Specify a .spec file (see SPEC FILE SYNTAX for details), or a standard Windows .def file that defines the exports of the DLL or executable that is being built. --external-symbols Allow linking to external symbols directly from the spec file. Normally symbols exported by a dll have to be defined in the dll itself; this option makes it possible to use symbols defined in another Unix library (for symbols defined in another dll, a for- ward specification must be used instead). -f option Specify a code generation option. Currently -fPIC and -fasyn- chronous-unwind-tables are supported. Other options are ignored for compatibility with the C compiler. --fake-module Create a fake PE module for a dll or exe, instead of the normal assembly or object file. The PE module contains the resources for the module, but no executable code. -F, --filename=filename Set the file name of the module. The default is to use the base name of the spec file (without any extension). -h, --help Display a usage message and exit. -H, --heap=size Specify the size of the module local heap in bytes (only valid for Win16 modules); default is no local heap. -I directory Ignored for compatibility with the C compiler. -k, --kill-at Remove the stdcall decorations from the symbol names in the gen- erated .def file. Only meaningful in --def mode. -K flags Ignored for compatibility with the C compiler. --large-address-aware Set a flag in the executable to notify the loader that this ap- plication supports address spaces larger than 2 gigabytes. --ld-cmd=ld-command Specify the command to use to link the object files; the default is ld. -m16, -m32, -m64 Generate respectively 16-bit, 32-bit or 64-bit code. -march=option, -mcpu=option, -mfpu=option Set code generation options for the assembler. -mno-cygwin Build a library that uses the Windows runtime instead of the Unix C library. -M, --main-module=module When building a 16-bit dll, set the name of its 32-bit counter- part to module. This is used to enforce that the load order for the 16-bit dll matches that of the 32-bit one. -N, --dll-name=dllname Set the internal name of the module. It is only used in Win16 modules. The default is to use the base name of the spec file (without any extension). This is used for KERNEL, since it lives in KRNL386.EXE. It shouldn't be needed otherwise. --nm-cmd=nm-command Specify the command to use to get the list of undefined symbols; the default is nm. --nxcompat=yes|no Specify whether the module is compatible with no-exec support. The default is yes. -o, --output=file Set the name of the output file (default is standard output). If the output file name ends in .o, the text output is sent to a temporary file that is then assembled to produce the specified .o file. --prefer-native Specify that the native DLL should be preferred if available at run time. This can be used on modules that are mostly unimple- mented. -r, --res=rsrc.res Load resources from the specified binary resource file. The rsrc.res file can be produced from a source resource file with wrc(1) (or with a Windows resource compiler). This option is only necessary for Win16 resource files, the Win32 ones can simply listed as input files and will automati- cally be handled correctly (though the -r option will also work for Win32 files). --safeseh Mark object files as SEH compatible. --save-temps Do not delete the various temporary files that winebuild gener- ates. --subsystem=subsystem[:major[.minor]] Set the subsystem of the executable, which can be one of the following: console for a command line executable, windows for a graphical executable, native for a native-mode dll, wince for a ce dll. The entry point of a command line executable is a normal C main function. A wmain function can be used instead if you need the argument array to use Unicode strings. A graphical executable has a WinMain entry point. Optionally a major and minor subsystem version can also be spec- ified; the default subsystem version is 4.0. -u, --undefined=symbol Add symbol to the list of undefined symbols when invoking the linker. This makes it possible to force a specific module of a static library to be included when resolving imports. -v, --verbose Display the various subcommands being invoked by winebuild. --version Display the program version and exit. -w, --warnings Turn on warnings. --without-dlltool Generate import library without using dlltool. SPEC FILE SYNTAX General syntax A spec file should contain a list of ordinal declarations. The general syntax is the following: ordinal functype [flags] exportname ( [args...] ) [handler] ordinal variable [flags] exportname ( [data...] ) ordinal extern [flags] exportname [symbolname] ordinal stub [flags] exportname [ (args...) ] ordinal equate [flags] exportname data # comments Declarations must fit on a single line, except if the end of line is escaped using a backslash character. The # character anywhere in a line causes the rest of the line to be ignored as a comment. ordinal specifies the ordinal number corresponding to the entry point, or '@' for automatic ordinal allocation (Win32 only). flags is a series of optional flags, preceded by a '-' character. The supported flags are: -norelay The entry point is not displayed in relay debugging traces (Win32 only). -noname The entry point will be exported by ordinal instead of by name. The name is still available for importing. -ret16 The function returns a 16-bit value (Win16 only). -ret64 The function returns a 64-bit value (Win32 only). -register The function uses CPU register to pass arguments. -private The function cannot be imported from other dlls, it can only be accessed through GetProcAddress. -ordinal The entry point will be imported by ordinal instead of by name. The name is still exported. -thiscall The function uses the thiscall calling convention (first parameter in %ecx register on i386). -fastcall The function uses the fastcall calling convention (first two parameters in %ecx/%edx registers on i386). -syscall[=number] The function is an NT system call. A system call thunk will be generated, and the actual function will be called by the __wine_syscall_dispatcher function in ntdll. The system call number can be specified explicitly; by de- fault it will be assigned sequentially starting from 0. -import The function is imported from another module. This can be used instead of a forward specification when an applica- tion expects to find the function's implementation inside the dll. -arch=[!]cpu[,cpu] The entry point is only available on the specified CPU architecture(s). The names win32 and win64 match all 32-bit or 64-bit CPU architectures respectively. In 16-bit dlls, specifying -arch=win32 causes the entry point to be exported from the 32-bit wrapper module. A CPU name can be prefixed with ! to exclude only that spe- cific architecture. Function ordinals Syntax: ordinal functype [flags] exportname ( [args...] ) [handler] This declaration defines a function entry point. The prototype defined by exportname ( [args...] ) specifies the name available for dynamic linking and the format of the arguments. '@' can be used instead of ex- portname for ordinal-only exports. functype should be one of: stdcall for a normal Win32 function pascal for a normal Win16 function cdecl for a Win16 or Win32 function using the C calling conven- tion varargs for a Win16 or Win32 function using the C calling conven- tion with a variable number of arguments args should be one or several of: word (16-bit unsigned value) s_word (16-bit signed word) long (pointer-sized integer value) int64 (64-bit integer value) int128 (128-bit integer value) float (32-bit floating point value) double (64-bit floating point value) ptr (linear pointer) str (linear pointer to a null-terminated ASCII string) wstr (linear pointer to a null-terminated Unicode string) segptr (segmented pointer) segstr (segmented pointer to a null-terminated ASCII string). Note: The 16-bit and segmented pointer types are only valid for Win16 functions. handler is the name of the actual C function that will implement that entry point in 32-bit mode. The handler can also be specified as dll- name.function to define a forwarded function (one whose implementation is in another dll). If handler is not specified, it is assumed to be identical to exportname. This first example defines an entry point for the 32-bit GetFocus() call: @ stdcall GetFocus() GetFocus This second example defines an entry point for the 16-bit CreateWin- dow() call (the ordinal 100 is just an example); it also shows how long lines can be split using a backslash: 100 pascal CreateWindow(ptr ptr long s_word s_word s_word \ s_word word word word ptr) WIN_CreateWindow To declare a function using a variable number of arguments, specify the function as varargs and declare it in the C file with a '...' parameter for a Win32 function, or with an extra VA_LIST16 argument for a Win16 function. See the wsprintf* functions in user.exe.spec and user32.spec for an example. Variable ordinals Syntax: ordinal variable [flags] exportname ( [data...] ) This declaration defines data storage as 32-bit words at the ordinal specified. exportname will be the name available for dynamic linking. data can be a decimal number or a hex number preceded by "0x". The following example defines the variable VariableA at ordinal 2 and con- taining 4 ints: 2 variable VariableA(-1 0xff 0 0) This declaration only works in Win16 spec files. In Win32 you should use extern instead (see below). Extern ordinals Syntax: ordinal extern [flags] exportname [symbolname] This declaration defines an entry that simply maps to a C symbol (vari- able or function). It only works in Win32 spec files. exportname will point to the symbol symbolname that must be defined in the C code. Al- ternatively, it can be of the form dllname.symbolname to define a for- warded symbol (one whose implementation is in another dll). If symbol- name is not specified, it is assumed to be identical to exportname. Stub ordinals Syntax: ordinal stub [flags] exportname [ (args...) ] This declaration defines a stub function. It makes the name and ordinal available for dynamic linking, but will terminate execution with an er- ror message if the function is ever called. Equate ordinals Syntax: ordinal equate [flags] exportname data This declaration defines an ordinal as an absolute value. exportname will be the name available for dynamic linking. data can be a decimal number or a hex number preceded by "0x". Api sets Syntax: apiset apiset_dll = target.dll [host.dll:target.dll] This declaration defines that the apiset_dll (of the form api-ms-*) re- solves to the target dll. Optionally other targets can be specified to resolve differently for specific host dlls. For example: api-ms-win-core-processenvironment-l1-1-0 = kernelbase.dll api-ms-win-core-processthreads-l1-1-0 = kernel32.dll \ kernel32.dll:kernelbase.dll If apisets are defined, a corresponding .apiset section will be gener- ated in the PE binary. This requires building the module with the --data-only option. AUTHORS winebuild has been worked on by many people over the years. The main authors are Robert J. Amstadt, Alexandre Julliard, Martin von Loewis, Ulrich Weigand and Eric Youngdale. Many other people have contributed new features and bug fixes. For a complete list, see the git commit logs. BUGS It is not yet possible to use a PE-format dll in an import specifica- tion; only Wine dlls can be imported. Bugs can be reported on the Wine bug tracker <https://bugs.winehq.org>. AVAILABILITY winebuild is part of the Wine distribution, which is available through WineHQ, the Wine development headquarters <https://www.winehq.org/>. SEE ALSO wine(1), winegcc(1), wrc(1), Wine documentation and support <https://www.winehq.org/help>. Wine 10.15 October 2005 WINEBUILD(1)
NAME | SYNOPSIS | DESCRIPTION | MODE OPTIONS | OPTIONS | SPEC FILE SYNTAX | AUTHORS | BUGS | AVAILABILITY | SEE ALSO
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