[Qemu-devel] windows qemu can't be debuged

[tim3385]

Hello, all:

I have compiled qemu in cygwin with mingw according to the qemu wiki. When I 
debug it with GDB, I get the error below:

.........
Type "apropos word" to search for commands related to "word"...
Reading symbols from qemu-system-x86_64.exe...done.
(gdb) r -cdrom /t.iso -boot d -display sdl
Starting program: 
/cygdrive/c/emulator/mqemu/bin/debug/i686-w64-mingw32/x86_64-softmmu/qemu-system-x86_64.exe
 -cdrom /t.iso -boot d -display sdl
[New Thread 11372.0x26c8]
warning: `/cygdrive/c/windows/SYSTEM32/ntdll.dll': Shared library architecture 
i386:x86-64 is not compatible with target architecture i386.
warning: `/cygdrive/c/windows/System32/wow64.dll': Shared library architecture 
i386:x86-64 is not compatible with target architecture i386.
warning: `/cygdrive/c/windows/System32/wow64win.dll': Shared library 
architecture i386:x86-64 is not compatible with target architecture i386.
warning: dll path for "WOW64_IMAGE_SECTION" can not be evaluated
warning: Could not load shared library symbols for WOW64_IMAGE_SECTION.
Do you need "set solib-search-path" or "set sysroot"?
warning: dll path for "WOW64_IMAGE_SECTION" can not be evaluated
warning: Could not load shared library symbols for WOW64_IMAGE_SECTION.
Do you need "set solib-search-path" or "set sysroot"?
warning: dll path for "NOT_AN_IMAGE" can not be evaluated
warning: Could not load shared library symbols for NOT_AN_IMAGE.
Do you need "set solib-search-path" or "set sysroot"?
warning: dll path for "NOT_AN_IMAGE" can not be evaluated
warning: Could not load shared library symbols for NOT_AN_IMAGE.
Do you need "set solib-search-path" or "set sysroot"?
warning: `/cygdrive/c/windows/System32/wow64cpu.dll': Shared library 
architecture i386:x86-64 is not compatible with target architecture i386.
[New Thread 11372.0x4110]
[New Thread 11372.0x1b84]
[New Thread 11372.0x1064]
[Thread 11372.0x1064 exited with code 3221225781]
[Thread 11372.0x1b84 exited with code 3221225781]
[Inferior 1 (process 11372) exited with code 030000000465]

Somebody can help me? thanks.

ps. My build shell script is:
PWD="/emulator/qemu-2.9.0"

# Don't build in the QEMU source directory. Using a subdirectory is better.
# Here is an example of a debug build.
SRC_PATH=$PWD
BUILD_DIR="$PWD/bin/debug/i686-w64-mingw32"
mkdir -p $BUILD_DIR

cd $BUILD_DIR
echo -n "s1) Build folder has been created. Enter "
pwd

CMD="$SRC_PATH/configure \
    --enable-debug \
    --cross-prefix=i686-w64-mingw32- \
    --host-cc=i686-w64-mingw32-gcc \
    --enable-trace-backend=simple \
"

echo -e "s2) $CMD\n......"
$CMD

echo "s3) Make......"
make

best
Dong Hao
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