C++ conversion status update

Jose E. Marchesi jose.marchesi@oracle.com
Tue Dec 15 11:39:00 GMT 2015


    >> The question I have is which hosts (Architecture + OS combination) people
    >> care about that still need C++ conversion work and thus should be on
    >> that list?
    > 
    > How about all linux and mingw hosts? assuming that xtensa can be
    > converted.
    
    x86-64 and x86 mingw built cleanly last I tried.
    
    I don't know about _all_ Linux hosts, hence the RFH.
    
    At least x86, x86_64, Aarch64, ARM, and PPC64 build cleanly.  Or did, a
    few weeks back.

In sparc-*-linux-gnu:
- Builds fine with GCC 6 (svn).
- Builds fine with GCC 4.9.1.
- Build fails with GCC 4.4.7:

g++ -g -O2   -I. -I../../gdb -I../../gdb/common -I../../gdb/config -DLOCALEDIR="\"/usr/local/share/locale\"" -DHAVE_CONFIG_H -I../../gdb/../include/opcode -I../../gdb/../opcodes/.. -I../../gdb/../readline/.. -I../../gdb/../zlib -I../bfd -I../../gdb/../bfd -I../../gdb/../include -I../libdecnumber -I../../gdb/../libdecnumber  -I../../gdb/gnulib/import -Ibuild-gnulib/import   -DTUI=1  -I/usr/include/python2.6 -I/usr/include/python2.6 -Wall -Wpointer-arith -Wno-unused -Wunused-value -Wunused-function -Wno-switch -Wno-char-subscripts -Wempty-body -Wno-sign-compare -Wno-write-strings -Wno-narrowing -Wformat-nonliteral -Werror -c -o sparc64-tdep.o -MT sparc64-tdep.o -MMD -MP -MF .deps/sparc64-tdep.Tpo ../../gdb/sparc64-tdep.c
cc1plus: warnings being treated as errors
In file included from ../../gdb/target.h:74,
                 from ../../gdb/exec.h:23,
                 from ../../gdb/gdbcore.h:29,
                 from ../../gdb/sparc64-tdep.c:27:
../../gdb/btrace.h: In function ‘size_t VEC_btrace_insn_s_embedded_size(int)’:
../../gdb/btrace.h:84: error: invalid access to non-static data member ‘VEC_btrace_insn_s::vec’  of NULL object
../../gdb/btrace.h:84: error: (perhaps the ‘offsetof’ macro was used incorrectly)
../../gdb/btrace.h: In function ‘VEC_btrace_insn_s* VEC_btrace_insn_s_alloc(int)’:
../../gdb/btrace.h:84: error: invalid access to non-static data member ‘VEC_btrace_insn_s::vec’  of NULL object
../../gdb/btrace.h:84: error: (perhaps the ‘offsetof’ macro was used incorrectly)
../../gdb/btrace.h: In function ‘VEC_btrace_insn_s* VEC_btrace_insn_s_copy(VEC_btrace_insn_s*)’:
../../gdb/btrace.h:84: error: invalid access to non-static data member ‘VEC_btrace_insn_s::vec’  of NULL object
../../gdb/btrace.h:84: error: (perhaps the ‘offsetof’ macro was used incorrectly)
../../gdb/btrace.h: In function ‘VEC_btrace_insn_s* VEC_btrace_insn_s_merge(VEC_btrace_insn_s*, VEC_btrace_insn_s*)’:
../../gdb/btrace.h:84: error: invalid access to non-static data member ‘VEC_btrace_insn_s::vec’  of NULL object
../../gdb/btrace.h:84: error: (perhaps the ‘offsetof’ macro was used incorrectly)
../../gdb/btrace.h: In function ‘int VEC_btrace_insn_s_reserve(VEC_btrace_insn_s**, int, const char*, unsigned int)’:
../../gdb/btrace.h:84: error: invalid access to non-static data member ‘VEC_btrace_insn_s::vec’  of NULL object
../../gdb/btrace.h:84: error: (perhaps the ‘offsetof’ macro was used incorrectly)
At global scope:
cc1plus: error: unrecognized command line option "-Wno-narrowing"
make[2]: *** [sparc64-tdep.o] Error 1
make[2]: Leaving directory `/home/jemarch/couts2/binutils-gdb/build/gdb'
make[1]: *** [all-gdb] Error 2
make[1]: Leaving directory `/home/jemarch/couts2/binutils-gdb/build'
make: *** [all] Error 2



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