Can you help please to make compiler gcc 4.2 work?
2014-10-16 16:47 GMT+04:00 alexander.bubnov@xxxxxxxxx
<alexander.bubnov@xxxxxxxxx>:
> Hello!
> If I build toolchain based on gcc 4.6.3 compiler it works fine and
> catching exceptions does not lead to abort() call.
>
> 2014-10-16 15:30 GMT+04:00 alexander.bubnov@xxxxxxxxx
> <alexander.bubnov@xxxxxxxxx>:
>> Hello!
>> I have compiled cross compiler gcc 4.2.3 for FreeBSD using
>> binutils-2.17.50. To compiler that compiler I used gcc 4.4.3 compiler.
>>
>> Before that I patched files removing freebsd1* and freebsd[1... and
>> freebsd[[1 if/case. It is well known problem which I found in
>> Changelog of gcc 4.6.3
>>
>> binutils-2.17.5/ld/configure
>> binutils-2.17.5/gas/configure
>> binutils-2.17.5/gprof/configure
>> binutils-2.17.5/opcodes/configure
>> binutils-2.17.5/configure
>> binutils-2.17.5/binutils/configure
>> binutils-2.17.5/bfd/configure
>> binutils-2.17.5/config.rpath
>> binutils-2.17.5/libtool.m4
>> binutils-2.17.5/ld/configure.host
>> binutils-2.17.5/ld/configure.tgt
>> binutils-2.17.5/bfd/config.bfd
>> binutils-2.17.5/bfd/configure
>>
>> gcc-4.2.3/boehm-gc/configure
>> gcc-4.2.3/configure
>> gcc-4.2.3/fixincludes/configure
>> gcc-4.2.3/gcc/configure
>> gcc-4.2.3/gnattools/configure
>> gcc-4.2.3/intl/configure
>> gcc-4.2.3/libada/configure
>> gcc-4.2.3/libcpp/configure
>> gcc-4.2.3/libdecnumber/configure
>> gcc-4.2.3/libffi/configure
>> gcc-4.2.3/libgfortran/configure
>> gcc-4.2.3/libgomp/configure
>> gcc-4.2.3/libiberty/configure
>> gcc-4.2.3/libjava/classpath/configure
>> gcc-4.2.3/libjava/configure
>> gcc-4.2.3/libjava/libltdl/configure
>> gcc-4.2.3/libmudflap/configure
>> gcc-4.2.3/libobjc/configure
>> gcc-4.2.3/libssp/configure
>> gcc-4.2.3/libstdc++-v3/configure
>> gcc-4.2.3/zlib/configure
>> gcc compiler built with no errors.
>>
>> Next I tried to compile a simple example of c++ code
>>
>> int main()
>> {
>> try
>> {
>> throw 10;
>> }
>> catch(...)
>> {
>> return 1;
>> }
>>
>> return 0;
>> }
>> But I got a coredump
>>
>> root@:~ # ./42.out
>> Abort (core dumped)
>> root@:~ # ldd ./42.out
>> ./42.out:
>> libstdc++.so.6 => /root/4.2/libstdc++.so.6 (0x28069000)
>> libm.so.5 => /lib/libm.so.5 (0x28155000)
>> libgcc_s.so.1 => /root/4.2/libgcc_s.so.1 (0x28177000)
>> libc.so.7 => /lib/libc.so.7 (0x28185000)
>>
>> root@:~ # gdb 42.out 42.out.core
>> GNU gdb 6.1.1 [FreeBSD]
>> Copyright 2004 Free Software Foundation, Inc.
>> GDB is free software, covered by the GNU General Public License, and you are
>> welcome to change it and/or distribute copies of it under certain conditions.
>> Type "show copying" to see the conditions.
>> There is absolutely no warranty for GDB. Type "show warranty" for details.
>> This GDB was configured as "i386-marcel-freebsd"...(no debugging
>> symbols found)...
>> Attaching to program: /root/42.out, process 42
>> ptrace: No such process.
>> Core was generated by `42.out'.
>> Program terminated with signal 6, Aborted.
>> Reading symbols from /root/4.2/libstdc++.so.6...done.
>> Loaded symbols for /root/4.2/libstdc++.so.6
>> Reading symbols from /lib/libm.so.5...done.
>> Loaded symbols for /lib/libm.so.5
>> Reading symbols from /root/4.2/libgcc_s.so.1...done.
>> Loaded symbols for /root/4.2/libgcc_s.so.1
>> Reading symbols from /lib/libc.so.7...done.
>> Loaded symbols for /lib/libc.so.7
>> Reading symbols from /libexec/ld-elf.so.1...done.
>> Loaded symbols for /libexec/ld-elf.so.1
>> #0 0x282afed7 in kill () from /lib/libc.so.7
>> (gdb) bt
>> #0 0x282afed7 in kill () from /lib/libc.so.7
>> #1 0x282afe67 in raise () from /lib/libc.so.7
>> #2 0x282ae8a6 in abort () from /lib/libc.so.7
>> #3 0x28180078 in uw_init_context_1 (context=0xbfbfdb68,
>> outer_cfa=0xbfbfdc10, outer_ra=0x281214f1) at
>> ../../gcc/unwind-dw2.c:1413
>> #4 0x281804e2 in _Unwind_RaiseException (exc=0x28803070) at unwind.inc:92
>> #5 0x281214f1 in __cxa_throw (obj=0x28803090, tinfo=0x80499a0,
>> dest=0) at ../../../../libstdc++-v3/libsupc++/eh_throw.cc:71
>> #6 0x08048770 in main ()
>>
>> part of gcc/unwind-dw2.c:1413
>> ...
>> code = uw_frame_state_for (context, &fs);
>> gcc_assert (code == _URC_NO_REASON); <--- line 14, here I got code
>> == _URC_END_OF_STACK
>> ...
>>
>> Then I linked libgcc and libstdc++ statically
>>
>> root@:~ # ldd 42.out
>> 42.out:
>> libm.so.5 => /lib/libm.so.5 (0x2807c000)
>> libc.so.7 => /lib/libc.so.7 (0x2809e000)
>>
>> But the problem was reproducted again
>>
>> root@:~ # ./42.out
>> Abort (core dumped)
>>
>> With the same stack trace
>>
>> root@:~ # gdb 42.out 42.out.core
>> GNU gdb 6.1.1 [FreeBSD]
>> Copyright 2004 Free Software Foundation, Inc.
>> GDB is free software, covered by the GNU General Public License, and you are
>> welcome to change it and/or distribute copies of it under certain conditions.
>> Type "show copying" to see the conditions.
>> There is absolutely no warranty for GDB. Type "show warranty" for details.
>> This GDB was configured as "i386-marcel-freebsd"...
>> Attaching to program: /root/42.out, process 42
>> ptrace: No such process.
>> Core was generated by `42.out'.
>> Program terminated with signal 6, Aborted.
>> Reading symbols from /lib/libm.so.5...done.
>> Loaded symbols for /lib/libm.so.5
>> Reading symbols from /lib/libc.so.7...done.
>> Loaded symbols for /lib/libc.so.7
>> Reading symbols from /libexec/ld-elf.so.1...done.
>> Loaded symbols for /libexec/ld-elf.so.1
>> #0 0x281c8ed7 in kill () from /lib/libc.so.7
>> (gdb) bt
>> #0 0x281c8ed7 in kill () from /lib/libc.so.7
>> #1 0x281c8e67 in raise () from /lib/libc.so.7
>> #2 0x281c78a6 in abort () from /lib/libc.so.7
>> #3 0x08056268 in uw_init_context_1 (context=0xbfbfdb68,
>> outer_cfa=0xbfbfdc10, outer_ra=0x804d537) at
>> ../../gcc/unwind-dw2.c:1413
>> #4 0x080566d2 in _Unwind_RaiseException (exc=0x28803070) at unwind.inc:92
>> #5 0x0804d537 in __cxa_throw (obj=0x28803090, tinfo=0x805c480,
>> dest=0) at ../../../../libstdc++-v3/libsupc++/eh_throw.cc:71
>> #6 0x080492c0 in main ()
>>
>> Can you please tell me where to dig to get workable compiler?
>>
>> --
>> /BR, Alexander
>
>
>
> --
> /BR, Alexander
--
/BR, Alexander
