New subject: [Bug 47226] Incorrect crash information displayed for unimplemented function stubs when 64-bit Wine builtins are cross-compiled in PE format (Mingw-w64, MS x64 calling convention)

18 May 2019


      https://bugs.winehq.org/show_bug.cgi?id=47226
Bug ID: 47226
           Summary: Incorrect crash information displayed for
                    unimplemented function stubs when 64-bit Wine builtins
                    are cross-compiled in PE format (Mingw-w64, MS x64
                    calling convention)
           Product: Wine
           Version: 4.8
          Hardware: x86-64
                OS: Linux
            Status: NEW
          Severity: normal
          Priority: P2
         Component: build-env
          Assignee: wine-bugs@winehq.org
          Reporter: focht@gmx.net
      Distribution: ---
Hello folks,
as it says. Example from bug 47220 which is dupe of bug 43546
https://web.archive.org/web/20190518075044/https://www.easyhdr.com/download/...
With Wine builtins cross-compiled in PE-format:
--- snip ---
$ pwd
/home/focht/.wine/drive_c/Program Files/easyHDR 3 Demo
$ wine ./easyHDR3.exe
...
wine: Call from 0x7b452f3c to unimplemented function (null).932, aborting
wine: Call from 0x7b452f3c to unimplemented function (null).932, aborting
wine: Call from 0x7b452f3c to unimplemented function (null).932, aborting
wine: Call from 0x7b452f3c to unimplemented function (null).932, aborting
wine: Call from 0x7b452f3c to unimplemented function (null).932, aborting
wine: Call from 0x7b452f3c to unimplemented function (null).932, aborting
wine: Call from 0x7b452f3c to unimplemented function (null).932, aborting
wine: Call from 0x7b452f3c to unimplemented function (null).932, aborting
wine: Unimplemented function (null).932 called at address 0x7b452f3c (thread
006d), starting debugger...
Unhandled exception: unimplemented function .932 called in 64-bit code
(0x000000007b452f3c).
...
Register dump:
 rip:000000007b452f3c rsp:000000001bf8faa0 rbp:000000001bf8fb70 eflags:00000206
(   - --  I   - -P- )
 rax:000000001bf8fac0 rbx:0000000080000100 rcx:000000001bf8fac0
rdx:000000001bf8fae0
 rsi:000000001bf8fbb0 rdi:000000001bf8faf0  r8:0000000000000002 
r9:000000001bf8fba0 r10:0000000000000000
 r11:000000001bf8fc98 r12:000000001ba7f874 r13:0000000017ef5680
r14:0000000000000002 r15:0000000000000002
Stack dump:
...
Backtrace:
=>0 0x000000007b452f3c RaiseException+0x6c(code=<is not available>, flags=<is
not available>, nbargs=<is not available>, args=<is not available>)
[/home/focht/projects/wine/mainline-src/dlls/kernel32/except.c:86] in kernel32
(0x000000001bf8fb70)
0x000000007b452f3c RaiseException+0x6c
[/home/focht/projects/wine/mainline-src/dlls/kernel32/except.c:86] in kernel32:
leaq    0xfffffffffffffff0(%rbp),%rsp
86    }
Modules:
Module    Address                    Debug info    Name (160 modules)
PE              130000-          13d000    Deferred        ilmthread-2_2
PE              250000-          29b000    Deferred        qt5winextras
PE              2a0000-          6f7000    Deferred        qt5gui
PE              700000-          8f3000    Deferred        libglesv2
PE              900000-          e51000    Deferred        qt5widgets
PE              e60000-          e7e000    Deferred        zlibwapi
PE              e80000-          ef6000    Deferred        lcms2
PE              f00000-         11c2000    Deferred        ilmimf-2_2
PE             11d0000-         1219000    Deferred        half
PE             1220000-         1236000    Deferred        iex-2_2
PE             1240000-         1258000    Deferred        imath-2_2
PE             1260000-         1389000    Deferred        libraw
PE             15f0000-         1721000    Deferred        qwindows
PE             1840000-         184d000    Deferred        qico
PE             1850000-         1890000    Deferred        qjpeg
PE             1890000-         18ec000    Deferred        qtiff
PE            61000000-        61034000    Deferred        qt5xml
PE            64000000-        640d3000    Deferred        qt5network
PE            65100000-        651a7000    Deferred        msvcp110
PE            66500000-        66523000    Deferred        vcomp110
PE            67000000-        67551000    Deferred        qt5core
ELF            7a800000-        7aa10000    Deferred        opengl32<elf>
  -PE            7a850000-        7aa10000    \               opengl32
ELF            7b400000-        7b85b000    Dwarf           kernel32<elf>
  -PE            7b420000-        7b85b000    \               kernel32
ELF            7bc00000-        7bd54000    Deferred        ntdll<elf>
  -PE            7bc20000-        7bd54000    \               ntdll
ELF            7c000000-        7c004000    Deferred        <wine-loader>
PE           140000000-       1403ee000    Deferred        easyhdr3
PE           180000000-       18004a000    Deferred        openjp2
...
ELF        7f86d5ec7000-    7f86d5ef3000    Deferred        version<elf>
  -PE        7f86d5ed0000-    7f86d5ef3000    \               version
ELF        7f86d5ef3000-    7f86d6298000    Dwarf           libwine.so.1
ELF        7f86d629a000-    7f86d64c3000    Deferred       
ld-linux-x86-64.so.2
ELF        7ffc37f2a000-    7ffc37f2b000    Deferred        [vdso].so
Threads:
process  tid      prio (all id:s are in hex)
...
00000058 (D) C:\Program Files\easyHDR 3 Demo\easyHDR3.exe
...
    00000070    0 <==
...
--- snip ---
--- snip ---
PE            66500000-        66523000    Deferred        vcomp110
--- snip ---
Same thing without builtins cross-compiled to PE:
--- snip ---
$ pwd
/home/focht/.wine/drive_c/Program Files/easyHDR 3 Demo
$ wine ./easyHDR3.exe
...
wine: Call from 0x7b452d3c to unimplemented function
vcomp110.dll._vcomp_for_static_simple_init_i8, aborting
wine: Call from 0x7b452d3c to unimplemented function
vcomp110.dll._vcomp_for_static_simple_init_i8, aborting
wine: Call from 0x7b452d3c to unimplemented function
vcomp110.dll._vcomp_for_static_simple_init_i8, aborting
wine: Unimplemented function vcomp110.dll._vcomp_for_static_simple_init_i8
called at address 0x7b452d3c (thread 0076), starting debugger...
wine: Call from 0x7b452d3c to unimplemented function
vcomp110.dll._vcomp_for_static_simple_init_i8, aborting
wine: Call from 0x7b452d3c to unimplemented function
vcomp110.dll._vcomp_for_static_simple_init_i8, aborting
wine: Call from 0x7b452d3c to unimplemented function
vcomp110.dll._vcomp_for_static_simple_init_i8, aborting
wine: Call from 0x7b452d3c to unimplemented function
vcomp110.dll._vcomp_for_static_simple_init_i8, aborting
wine: Call from 0x7b452d3c to unimplemented function
vcomp110.dll._vcomp_for_static_simple_init_i8, aborting
Unhandled exception: unimplemented function
vcomp110.dll._vcomp_for_static_simple_init_i8 called in 64-bit code
(0x000000007b452d3c).
Register dump:
 rip:000000007b452d3c rsp:000000002136faa0 rbp:000000002136fb70 eflags:00000206
(   - --  I   - -P- )
 rax:000000002136fac0 rbx:0000000080000100 rcx:000000002136fac0
rdx:000000002136fae0
 rsi:000000002136fbb0 rdi:000000002136faf0  r8:0000000000000002 
r9:000000002136fba0 r10:0000000000000000
 r11:000000002136fc98 r12:0000000020a1f874 r13:000000001cdf9630
r14:0000000000000002 r15:0000000000000002
Stack dump:
...
Backtrace:
=>0 0x000000007b452d3c RaiseException+0x6c(code=<is not available>, flags=<is
not available>, nbargs=<is not available>, args=<is not available>)
[/home/focht/projects/wine/mainline-src/dlls/kernel32/except.c:86] in kernel32
(0x000000002136fb70)
  1 0x00007f1600587499 __wine_spec_unimplemented_stub+0x38(module=<is not
available>, function=<is not available>)
[/home/focht/projects/wine/mainline-src/dlls/winecrt0/stub.c:34] in vcomp110
(0x000000002136fba0)
  2 0x00007f16005871e7 __wine_stub__vcomp_for_static_simple_init_i8+0x16() in
vcomp110 (0x000000002136fcf0)
  3 0x0000000140181145 in easyhdr3 (+0x181144) (0x000000002136fcf0)
  4 0x00007f15f09b7b34 _vcomp_fork_call_wrapper+0x43() in vcomp
(0x000000002136fcf0)
  5 0x00007f15f09b861d _vcomp_fork_worker+0xcc(param=0x1cdf9600)
[/home/focht/projects/wine/mainline-src/dlls/vcomp/main.c:1422] in vcomp
(0x000000002136fdf0)
  6 0x000000007bca7018 call_thread_func+0xe7(entry=0x7f15f09b8550,
arg=0x1cdf9600)
[/home/focht/projects/wine/mainline-src/dlls/ntdll/signal_x86_64.c:4454] in
ntdll (0x000000002136ffd0)
0x000000007b452d3c RaiseException+0x6c
[/home/focht/projects/wine/mainline-src/dlls/kernel32/except.c:86] in kernel32:
leaq    0xfffffffffffffff0(%rbp),%rsp
86    }
Modules:
Module    Address                    Debug info    Name (160 modules)
PE              240000-          28b000    Deferred        qt5winextras
PE              290000-          6e7000    Deferred        qt5gui
PE              6f0000-          8e3000    Deferred        libglesv2
PE              8f0000-          90e000    Deferred        zlibwapi
PE              910000-          986000    Deferred        lcms2
PE              990000-          c52000    Deferred        ilmimf-2_2
PE              c60000-          ca9000    Deferred        half
PE              cb0000-          cc6000    Deferred        iex-2_2
PE              cd0000-          ce8000    Deferred        imath-2_2
PE              cf0000-          cfd000    Deferred        ilmthread-2_2
PE              d00000-          e29000    Deferred        libraw
PE              f80000-         10b1000    Deferred        qwindows
PE             11d0000-         11dd000    Deferred        qico
PE             11e0000-         1220000    Deferred        qjpeg
PE             1220000-         127c000    Deferred        qtiff
PE            61000000-        61034000    Deferred        qt5xml
PE            64000000-        640d3000    Deferred        qt5network
PE            65000000-        65551000    Deferred        qt5widgets
PE            67000000-        67551000    Deferred        qt5core
ELF            7a800000-        7aa10000    Deferred        opengl32<elf>
  -PE            7a850000-        7aa10000    \               opengl32
ELF            7b400000-        7b85b000    Dwarf           kernel32<elf>
  -PE            7b420000-        7b85b000    \               kernel32
ELF            7bc00000-        7bd51000    Dwarf           ntdll<elf>
  -PE            7bc20000-        7bd51000    \               ntdll
ELF            7c000000-        7c004000    Deferred        <wine-loader>
PE           140000000-       1403ee000    Export          easyhdr3
PE           180000000-       18004a000    Deferred        openjp2
...
ELF        7f15f21e1000-    7f15f2305000    Deferred        msvcr110<elf>
  -PE        7f15f2200000-    7f15f2305000    \               msvcr110
...
ELF        7f1600575000-    7f160058b000    Dwarf           vcomp110<elf>
  -PE        7f1600580000-    7f160058b000    \               vcomp110
ELF        7f160058b000-    7f16005b7000    Deferred        version<elf>
  -PE        7f1600590000-    7f16005b7000    \               version
ELF        7f16005b7000-    7f160095c000    Dwarf           libwine.so.1
ELF        7f160095e000-    7f1600b87000    Deferred       
ld-linux-x86-64.so.2
ELF        7ffcb794a000-    7ffcb794b000    Deferred        [vdso].so
Threads:
process  tid      prio (all id:s are in hex)
...
0000005c (D) C:\Program Files\easyHDR 3 Demo\easyHDR3.exe
    0000007d    0 <==
...
    Host version: 5.0.13-100.fc28.x86_64
--- snip ---
--- snip ---
ELF        7f1600575000-    7f160058b000    Dwarf           vcomp110<elf>
  -PE        7f1600580000-    7f160058b000    \               vcomp110
--- snip ---
Generated code for '__wine_stub__vcomp_for_static_simple_init_i8':
--- snip ---
00000000665014C0  sub     rsp, 8
00000000665014C4  lea     rdi, module          ; "vcomp110.dll"
00000000665014CB  lea     rsi, a_vcomp_for_s_0 ;
"_vcomp_for_static_simple_init_i8"
00000000665014D2  call    __wine_spec_unimplemented_stub
00000000665014D7  nop
--- snip ---
Wine source for reference:
https://source.winehq.org/git/wine.git/blob/HEAD:/tools/winebuild/import.c#l...
--- snip ---
1184 /*******************************************************************
1185  *         output_stubs
1186  *
1187  * Output the functions for stub entry points
1188  */
1189 void output_stubs( DLLSPEC *spec )
1190 {
1191     const char *name, *exp_name;
1192     int i;
1193 
1194     if (!has_stubs( spec )) return;
1195 
1196     output( "\n/* stub functions */\n\n" );
1197     output( "\t.text\n" );
1198 
1199     for (i = 0; i < spec->nb_entry_points; i++)
1200     {
1201         ORDDEF *odp = &spec->entry_points[i];
1202         if (odp->type != TYPE_STUB) continue;
1203 
1204         name = get_stub_name( odp, spec );
1205         exp_name = odp->name ? odp->name : odp->export_name;
1206         output( "\t.align %d\n", get_alignment(4) );
1207         output( "\t%s\n", func_declaration(name) );
1208         output( "%s:\n", asm_name(name) );
1209         output_cfi( ".cfi_startproc" );
1210 
1211         switch (target_cpu)
1212         {
...
1252         case CPU_x86_64:
1253             output( "\tsubq $8,%%rsp\n" );
1254             output_cfi( ".cfi_adjust_cfa_offset 8" );
1255             output( "\tleaq .L__wine_spec_file_name(%%rip),%%rdi\n" );
1256             if (exp_name)
1257                 output( "leaq .L%s_string(%%rip),%%rsi\n", name );
1258             else
1259                 output( "\tmovq $%d,%%rsi\n", odp->ordinal );
1260             output( "\tcall %s\n",
asm_name("__wine_spec_unimplemented_stub") );
1261             break;
...
--- snip ---
Generated code for '__wine_spec_unimplemented_stub' (cross-compiled with
MinGW):
--- snip ---
0000000066501580 args            = qword ptr -28h
0000000066501580
0000000066501580 module = rcx               ; const char *
0000000066501580 function = rdx             ; const char *
0000000066501580    push    rsi
0000000066501581    push    rbx
0000000066501582    sub     rsp, 38h
0000000066501586    mov     ebx, 80000100h
000000006650158B    lea     rsi, [rsp+48h+args] ; dwExceptionFlags
0000000066501590    mov     [rsp+48h+args], module
0000000066501595    mov     [rsp+48h+args+8], function
000000006650159A    nop     word ptr [rax+rax+00h]
00000000665015A0    mov     r9, rsi
00000000665015A3    mov     r8d, 2
00000000665015A9    mov     edx, 1          ; nNumberOfArguments
00000000665015AE    mov     ecx, ebx        ; lpArguments
00000000665015B0    call    RaiseException
00000000665015B5    jmp     short loc_665015A0
--- snip ---
Wine source for reference:
https://source.winehq.org/git/wine.git/blob/HEAD:/dlls/winecrt0/stub.c#l26
--- snip ---
  26 void DECLSPEC_HIDDEN __wine_spec_unimplemented_stub( const char *module,
const char *function )
  27 {
  28     ULONG_PTR args[2];
  29 
  30     args[0] = (ULONG_PTR)module;
  31     args[1] = (ULONG_PTR)function;
  32     for (;;) RaiseException( EXCEPTION_WINE_STUB,
EXCEPTION_NONCONTINUABLE, 2, args );
  33 }
--- snip ---
MinGW assumes the caller passed the two arguments via RCX and RDX (MS x64 ABI).
Although unnecessary, debugger session for completeness:
--- snip ---
Wine-gdb> bt
#0  0x0000000066501580 in ?? () ; __wine_spec_unimplemented_stub
#1  0x00000000665014d7 in ?? () ; __wine_stub__vcomp_for_static_simple_init_i8
#2  0x0000000000000000 in ?? ()
Wine-gdb> x/10i $pc
=> 0x66501580:    push   %rsi
   0x66501581:    push   %rbx
   0x66501582:    sub    $0x38,%rsp
   0x66501586:    mov    $0x80000100,%ebx
   0x6650158b:    lea    0x20(%rsp),%rsi
   0x66501590:    mov    %rcx,0x20(%rsp)   ; args[0] 
   0x66501595:    mov    %rdx,0x28(%rsp)   ; args[1]
   0x6650159a:    nopw   0x0(%rax,%rax,1)
   0x665015a0:    mov    %rsi,%r9
   0x665015a3:    mov    $0x2,%r8d
Wine-gdb> info reg
rax            0x2108f560    554235232
rbx            0x2108f898    554236056
rcx            0x0    0
rdx            0x3a4    932
rsi            0x665040a4    1716535460
rdi            0x66504000    1716535296
rbp            0x2108f620    0x2108f620
rsp            0x2108f4f8    0x2108f4f8
r8             0x2    2
r9             0x1    1
r10            0x0    0
r11            0x2108f5c8    554235336
r12            0x2108f874    554236020
r13            0x1100c0    1114304
r14            0x2    2
r15            0x2    2
rip            0x66501580    0x66501580
eflags         0x206    [ PF IF ]
cs             0x33    51
ss             0x2b    43
ds             0x0    0
es             0x0    0
fs             0x0    0
gs             0x0    0
--- snip ---
Mingw-w64 specs:
--- snip ---
$ (mingw64-env && $CC -v)
Using built-in specs.
COLLECT_GCC=/usr/bin/x86_64-w64-mingw32-gcc
COLLECT_LTO_WRAPPER=/usr/libexec/gcc/x86_64-w64-mingw32/7.3.0/lto-wrapper
Target: x86_64-w64-mingw32
Configured with: ../configure --prefix=/usr --bindir=/usr/bin
--includedir=/usr/include --mandir=/usr/share/man --infodir=/usr/share/info
--datadir=/usr/share --build=x86_64-redhat-linux-gnu
--host=x86_64-redhat-linux-gnu --with-gnu-as --with-gnu-ld --verbose
--without-newlib --disable-multilib --disable-plugin --with-system-zlib
--disable-nls --without-included-gettext --disable-win32-registry
--enable-languages=c,c++,objc,obj-c++,fortran
--with-bugurl=http://bugzilla.redhat.com/bugzilla --with-cloog
--enable-threads=posix --enable-libgomp --target=x86_64-w64-mingw32
--with-sysroot=/usr/x86_64-w64-mingw32/sys-root
--with-gxx-include-dir=/usr/x86_64-w64-mingw32/sys-root/mingw/include/c++
Thread model: posix
gcc version 7.3.0 20180125 (Fedora MinGW 7.3.0-1.fc28) (GCC) 
--- snip ---
$ sha1sum easyHDR_3130_setup-demo.exe 
2002238e64859a290abdd523cb0755262ffa8e4e  easyHDR_3130_setup-demo.exe
$ du -sh easyHDR_3130_setup-demo.exe 
34M    easyHDR_3130_setup-demo.exe
$ wine --version
wine-4.8-202-g61aea5a987
Regards
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[Bug 47226] New: Incorrect crash information displayed for unimplemented function stubs when 64-bit Wine builtins are cross-compiled in PE format (Mingw-w64, MS x64 calling convention)