Re: Problem with catching exceptions on ARM

[Mathias Bauer]

Am 03.02.14 16:03, schrieb Mathias Bauer:
> Am 03.02.14 16:01, schrieb Luboš Doležel:
> > On Mon, 03 Feb 2014 15:55:00 +0100, Mathias Bauer wrote:
> >
> > > Unfortunately it turned out that neither the 3.4 nor the trunk
> > > version of clang are usable on arm at all:
> > >
> > > http://llvm.org/bugs/show_bug.cgi?id=18622
> > >
> > > Regards,
> > > Mathias
> >
> > Hi,
> >
> > David Chisnall gave me a piece of advice that adding "-integrated-as"
> > into CFLAGS helps. And it does (although it still is a bug).
>
> Thanks! I will try ASAP.

Unfortunately the result is different, but in no way better:

> [  179s] [  1%] Building C object CMakeFiles/objc.dir/abi_version.c.o
> [  179s] /usr/bin/clang  -DGC_DEBUG -DGNUSTEP -DNO_LEGACY
> -DTYPE_DEPENDENT_DISPATCH -D_BSD_SOURCE=1 -D_XOPEN_SOURCE=700
> -D__BSD_VISIBLE=1 -D__OBJC_RUNTIME_INTERNAL__=1 -Dobjc_EXPORTS -std=gnu99
> -integrated-as -save-temps -v -mcpu=cortex-a8 -mfloat-abi=hard -target 
> armv7hl-suse-linux-gnueabi
> -fexceptions -fPIC   -o CMakeFiles/objc.dir/abi_version.c.o   -c
> /home/abuild/rpmbuild/BUILD/libobjc2-1.8pre/abi_version.c
> [  179s] clang version 3.4 (branches/release_34 198681)
> [  179s] Target: armv7hl-suse-linux-gnueabi
> [  179s] Thread model: posix
> [  179s] Found candidate GCC installation:
> /usr/bin/../lib/gcc/armv7hl-suse-linux-gnueabi/4.8
> [  179s] Found candidate GCC installation:
> /usr/lib/gcc/armv7hl-suse-linux-gnueabi/4.8
> [  179s] Selected GCC installation:
> /usr/bin/../lib/gcc/armv7hl-suse-linux-gnueabi/4.8
> [  179s]  "/usr/bin/clang-3.4" -cc1 -triple armv7-suse-linux-gnueabi -E
> -disable-free -disable-llvm-verifier -main-file-name abi_version.c
> -mrelocation-model pic -pic-level 2 -mdisable-fp-elim -fmath-errno
> -mconstructor-aliases -fuse-init-array -target-cpu cortex-a8 -target-abi
> aapcs-linux -mfloat-abi hard -v -coverage-file
> /home/abuild/rpmbuild/BUILD/libobjc2-1.8pre/Build/abi_version.i
> -resource-dir /usr/bin/../lib/clang/3.4 -D GC_DEBUG -D GNUSTEP -D NO_LEGACY
> -D TYPE_DEPENDENT_DISPATCH -D _BSD_SOURCE=1 -D _XOPEN_SOURCE=700 -D
> __BSD_VISIBLE=1 -D __OBJC_RUNTIME_INTERNAL__=1 -D objc_EXPORTS
> -internal-isystem /usr/local/include -internal-isystem
> /usr/bin/../lib/clang/3.4/include -internal-externc-isystem /include
> -internal-externc-isystem /usr/include -std=gnu99 -fdebug-compilation-dir
> /home/abuild/rpmbuild/BUILD/libobjc2-1.8pre/Build -ferror-limit 19
> -fmessage-length 0 -mstackrealign -fno-signed-char -fobjc-runtime=gcc
> -fexceptions -fdiagnostics-show-option -vectorize-slp -o abi_version.i -x c
> /home/abuild/rpmbuild/BUILD/libobjc2-1.8pre/abi_version.c
> [  180s] clang -cc1 version 3.4 based upon LLVM 3.4svn default target
> armv7l-unknown-linux-gnueabi
> [  180s] ignoring nonexistent directory "/include"
> [  180s] #include "..." search starts here:
> [  180s] #include <...> search starts here:
> [  180s]  /usr/local/include
> [  180s]  /usr/bin/../lib/clang/3.4/include
> [  180s]  /usr/include
> [  180s] End of search list.
> [  180s]  "/usr/bin/clang-3.4" -cc1 -triple armv7-suse-linux-gnueabi -S
> -disable-free -disable-llvm-verifier -main-file-name abi_version.c
> -mrelocation-model pic -pic-level 2 -mdisable-fp-elim -fmath-errno
> -mconstructor-aliases -fuse-init-array -target-cpu cortex-a8 -target-abi
> aapcs-linux -mfloat-abi hard -v -coverage-file
> /home/abuild/rpmbuild/BUILD/libobjc2-1.8pre/Build/abi_version.s
> -resource-dir /usr/bin/../lib/clang/3.4 -std=gnu99 -fdebug-compilation-dir
> /home/abuild/rpmbuild/BUILD/libobjc2-1.8pre/Build -ferror-limit 19
> -fmessage-length 0 -mstackrealign -fno-signed-char -fobjc-runtime=gcc
> -fexceptions -fdiagnostics-show-option -vectorize-slp -o abi_version.s -x
> cpp-output abi_version.i
> [  180s] clang -cc1 version 3.4 based upon LLVM 3.4svn default target
> armv7l-unknown-linux-gnueabi
> [  180s] #include "..." search starts here:
> [  180s] End of search list.
> [  181s]  "/usr/bin/clang-3.4" -cc1as -triple armv7-suse-linux-gnueabi
> -filetype obj -main-file-name abi_version.c -target-cpu cortex-a8
> -mrelax-all -o CMakeFiles/objc.dir/abi_version.c.o abi_version.s
> [  181s] abi_version.s:40:13: error: unexpected token in argument list
> [  181s]         bl      endsWith(PLT)

... and many more of that.

Regards,
Mathias