I have the following setup
mfctest/Makefile - Main make file
mfctest.exe.so - is the wrapper for an mfc gui application mfctest.dll.so - is the mfc gui application (as generated by the msvc++ wizard and than winemaker)
msvc/Makefile - make file for mfc & stuff missing from msvcrt.dll libmsvc.a - is all the cpp files archived by [ ar -rs $(ALL_OBJECT_FILES) ] libmsvc.so - same object files but linked with [ gcc --shared ]
Now I link mfctest.dll.so with libmsvc.a. (-l) The spec.c I prepare by including all the object files of the msvc project since winebuild does not work with libraries. It all runs fine.
Now I try to link with libmsvc.so ( exact same way as before with the -l option linux style, not as a DLL as usually done in wine ). At the beginning it would not link because of undefined symbols. ( before with the .a option not all files get pulled in by the linker). So I fix the undefined s. The spec.c file I have tried in to ways. 1) a libmsvc.spec.c for libmsvc.so and a small one for mfctest.dll.spec.c - and 2) A big mfctest.dll.spec.c that includes all objects same as above libmsvc.a . In both cases I had the same exact problem.
It would not run. I get a SIGSEGV. On the (gdb) back-trace it is directly from "dlopen" (from BUILTIN32_dlopen) it SIGs 10 functions deep into dlopen. The last function that makes any sense is _dl_init in ld-linux.so.2 from than on I get un-logical symbols that should not be in the init path. Including undefined s like 0x00000094 (see complete back-trace below) the SIGSEGV itself is reported at "dllname" which is not a function but an array in dll.spec.c . So we can see that the debug info got totally screwed up.
Big help!!! Any body got any ideas?
Do you think I need to fix the start address of libmsvc.so some how? What is the command line option for that?
The reason I need the libYYY.so option to work is because I have a big (1900 files) C++ project divided into 36 libraries. On the windows side it is dlls & static libs, all automatically exported by msvc++ (#define class class declspec(dllexport) ). Since we do not have a good C++ way for pure dlls in wine (yet) and the 1900 files on one gcc link will not work. ( truncated by the linker) .And I have more Applications in the future that use the same libraries. The .so option looks best.
One more question: What do the gurus say? In theory, if I have a XXX.dll.so linked Linux style to libYYY.so both have calls into wine. what is best method (XXX.dll.so is only because of the wrapper no real exports here) A. XXX.dll.so has an XXX.spec.c && libYYY.so has a YYY.spec.c of its own each linked to their respective .spec.c . (Note that those are only imports since export symbols from libYYY.so are linked against - Linux style).
B. one big XXX+YYY.spec.c linked against XXX.dll.so (very very slow, it looks like winebuild has an o(n^2) efficiency )
C. Both are good if no exports are made. (or exports only at the top lib)
Thanks for any help or pointer. Please share past experience for good or for worse
Free Life Boaz
some info: <(gdb) backtrace> #0 0x40cb3a4d in dllname () from /home/wine/lib/wine/mfctest.dll.so #1 0x00000094 in ?? () #2 0x40ffec8e in std::basic_iostream<wchar_t, std::char_traits<wchar_t>
::~basic_iostream() () from /usr/lib/libstdc++.so.5
#3 0x40ffed0a in std::basic_iostream<wchar_t, std::char_traits<wchar_t>
::~basic_iostream() () from /usr/lib/libstdc++.so.5
#4 0x4104dbb7 in __cxa_dyn_string_eq () from /usr/lib/libstdc++.so.5 #5 0x40feea11 in std::collate<char>::id () from /usr/lib/libstdc++.so.5 #6 0x4000aa4c in _dl_init (main_map=0x3c02eaf0, argc=4, argv=0xbffff454, env=0xbffff468) at dl-init.c:68 #7 0x4030a51e in _dl_open () from /lib/i686/libc.so.6 #8 0x4000a828 in _dl_catch_error (objname=0x406d28e0, errstring=0x406d28e4, operate=0x4030a120 <_dl_open+432>, args=0x406d28e8) at dl-error.c:162 #9 0x40309fcf in _dl_open () from /lib/i686/libc.so.6 #10 0x40352f21 in dlopen () from /lib/libdl.so.2 #11 0x4000a828 in _dl_catch_error (objname=0x3c0017e0, errstring=0x3c0017e4, operate=0x40352ef0 <dlopen+80>, args=0x406d2a68) at dl-error.c:162 #12 0x40353294 in dlerror () from /lib/libdl.so.2 #13 0x40352ed3 in dlopen () from /lib/libdl.so.2 #14 0x40107abc in wine_dlopen (filename=0x3c02eaa0 "/home/wine/lib/wine/mfctest.dll.so", flag=2, error=0x406d2b08 " ¨<@´l\016@X,m@HÍ\a@", errorsize=256) at loader.c:577 #15 0x40107420 in dlopen_dll (name=0x406d2c2c "mfctest.dll", error=0x406d2b08 " ¨<@´l\016@X,m@HÍ\a@", errorsize=256, test_only=0) at loader.c:156 #16 0x4010795b in wine_dll_load (filename=0x406d2c2c "mfctest.dll", error=0x406d2b08 " ¨<@´l\016@X,m@HÍ\a@", errorsize=256) at loader.c:390 #17 0x4009b537 in BUILTIN32_dlopen (name=0x406d2c2c "mfctest.dll", handle=0x406d2c28) at ../../relay32/builtin32.c:63 #18 0x4009b94c in BUILTIN32_LoadLibraryExA (path=0x403ca710 "C:\WINDOWS\SYSTEM\mfctest.dll", flags=0, pwm=0x406d2cc4) at ../../relay32/builtin32.c:171 #19 0x400b3c6d in load_dll (libname=0x403ca6f0 "mfctest.dll", flags=0, pwm=0x406d2cc4) at loader.c:1058 #20 0x400b3e34 in LdrLoadDll (path_name=0x0, flags=0, libname=0x406d2cfc, hModule=0x406d2cf8) at loader.c:1120 #21 0x4007e158 in LoadLibraryExA (libname=0x404b41a0 "mfctest.dll", hfile=0x0, flags=0) at ../../loader/module.c:655 #22 0x4007e28d in LoadLibraryA (libname=0x404b41a0 "mfctest.dll") at ../../loader/module.c:707 #23 0x404a3147 in WinMain (hInstance=0x404b0000, hPrevInstance=0x0, szCmdLine=0x403908f2 "", iCmdShow=1) at mfctest.exe_wrapper.c:127 #24 0x404b40ea in __wine_exe_main () at mfctest.exe.spec.c:140 #25 0x4009fced in start_process () at ../../scheduler/process.c:455 #26 0x400a402a in call_on_thread_stack (func=0x4009fb10) at ../../scheduler/sysdeps.c:113 </(gdb) backtrace>
<(gdb) info sharedlibrary>
From To Syms Read Shared Object Library
0x40048000 0x400c6314 Yes /home/wine/lib/libntdll.dll.so 0x40105790 0x40107c14 Yes /home/wine/lib/libwine.so.1 0x4011cc80 0x4011f354 Yes /home/wine/lib/libwine_unicode.so.1 0x40212620 0x4030f328 Yes /lib/i686/libc.so.6 0x403334a0 0x4034abc4 Yes /lib/i686/libm.so.6 0x40352db0 0x40353d64 Yes /lib/libdl.so.2 0x40000a60 0x4000f49b Yes /lib/ld-linux.so.2 0x40382d10 0x4038b054 Yes /lib/libnss_files.so.2 0x404a3000 0x404b4184 Yes /home/wine/codeward/mfctest/mfctest.exe.so 0x406f3000 0x40732ef4 Yes /home/wine/lib/wine/kernel32.dll.so 0x407b6000 0x40848b14 Yes /home/wine/lib/wine/user32.dll.so 0x408cf000 0x40916c44 Yes /home/wine/lib/wine/gdi32.dll.so 0x40941000 0x4095e814 Yes /home/wine/lib/wine/advapi32.dll.so 0x40974000 0x4099def4 Yes /home/wine/lib/wine/msvcrt.dll.so 0x409b1850 0x409ee254 Yes /usr/lib/libfreetype.so.6 0x409f98e0 0x40a02194 Yes /lib/libz.so.1 0x40a13000 0x40a5e794 Yes /home/wine/lib/wine/x11drv.dll.so 0x404b8200 0x404bc8a4 Yes /usr/X11R6/lib/libSM.so.6 0x40a73540 0x40a81dd4 Yes /usr/X11R6/lib/libICE.so.6 0x40a89910 0x40a934a4 Yes /usr/X11R6/lib/libXext.so.6 0x40aa6380 0x40b17384 Yes /usr/X11R6/lib/libX11.so.6 0x40b99640 0x40bd91e4 Yes /usr/X11R6/lib/libGL.so.1 0x40beb110 0x40bf3c14 Yes /lib/i686/libpthread.so.0 0x40c39320 0x40c3e234 Yes /usr/X11R6/lib/libXcursor.so.1 0x40c41390 0x40c46324 Yes /usr/X11R6/lib/libXrender.so.1 0x40014860 0x40015794 Yes /usr/X11R6/lib/X11/locale/lib/common/xlcDef.so.2 0x40c74260 0x40c8ad84 Yes /usr/X11R6/lib/X11/locale/lib/common/ximcp.so.2 0x400185f0 0x40018f54 Yes /usr/lib/gconv/ISO8859-1.so 0x40ca0000 0x40cb2074 Yes /home/wine/lib/wine/mfctest.dll.so 0x40dcf920 0x40f2f8e4 Yes /home/wine/lib/libmsvc.so 0x40ff1070 0x4104dbc4 Yes /usr/lib/libstdc++.so.5 0x4001b540 0x40020534 Yes /lib/libgcc_s.so.1
</(gdb) info sharedlibrary>