On Tue, 2024-06-18 01:17:02 +0100, Mark Harmstone <m...@harmstone.com> wrote: > This patch series adds support for outputting global variables when the > -gcodeview option is provided, along with the type system to go along > with this. [...] > This ought to be fairly complete as far as C is concerned. Still to come > are functions, local variables, and some C++ things. [...] > gcc/dwarf2codeview.cc | 2278 ++++++++++++++++++++++++++++++++++++++++- > gcc/dwarf2codeview.h | 67 ++ > gcc/dwarf2out.cc | 5 + > 3 files changed, 2341 insertions(+), 9 deletions(-)
Building with a really recent GCC on the host for --target=i686-mingw32crt or --target=i686-cygwin --enable-threads=yes, I get these new warnings (--enable-werror-always is in place): [all 2024-08-12 14:21:54] /var/lib/laminar/run/gcc-i686-mingw32crt/58/local-toolchain-install/bin/g++ -fno-PIE -c -g -O2 -DIN_GCC -DCROSS_DIRECTORY_STRUCTURE -fno-exceptions -fno-rtti -fasynchronous-unwind-tables -W -Wall -Wno-narrowing -Wwrite-strings -Wcast-qual -Wmissing-format-attribute -Wconditionally-supported -Woverloaded-virtual -pedantic -Wno-long-long -Wno-variadic-macros -Wno-overlength-strings -Werror -DHAVE_CONFIG_H -fno-PIE -I. -I. -I../../gcc/gcc -I../../gcc/gcc/. -I../../gcc/gcc/../include -I../../gcc/gcc/../libcpp/include -I../../gcc/gcc/../libcody -I../../gcc/gcc/../libdecnumber -I../../gcc/gcc/../libdecnumber/bid -I../libdecnumber -I../../gcc/gcc/../libbacktrace -o dwarf2codeview.o -MT dwarf2codeview.o -MMD -MP -MF ./.deps/dwarf2codeview.TPo ../../gcc/gcc/dwarf2codeview.cc [all 2024-08-12 14:22:00] In function 'uint32_t get_type_num_enumeration_type(dw_die_ref, bool)', [all 2024-08-12 14:22:00] inlined from 'uint32_t get_type_num(dw_die_ref, bool, bool)' at ../../gcc/gcc/dwarf2codeview.cc:3227:43: [all 2024-08-12 14:22:00] ../../gcc/gcc/dwarf2codeview.cc:2576:58: error: 'last_type' may be used uninitialized [-Werror=maybe-uninitialized] [all 2024-08-12 14:22:00] 2576 | ct->lf_fieldlist.last_subtype->lf_index.type_num = last_type; [all 2024-08-12 14:22:00] | ~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~^~~~~~~~~~~ [all 2024-08-12 14:22:00] ../../gcc/gcc/dwarf2codeview.cc: In function 'uint32_t get_type_num(dw_die_ref, bool, bool)': [all 2024-08-12 14:22:00] ../../gcc/gcc/dwarf2codeview.cc:2451:12: note: 'last_type' was declared here [all 2024-08-12 14:22:00] 2451 | uint32_t last_type; [all 2024-08-12 14:22:00] | ^~~~~~~~~ [all 2024-08-12 14:22:00] In function 'uint32_t get_type_num_struct(dw_die_ref, bool, bool*)', [all 2024-08-12 14:22:00] inlined from 'uint32_t get_type_num(dw_die_ref, bool, bool)' at ../../gcc/gcc/dwarf2codeview.cc:3233:33: [all 2024-08-12 14:22:00] ../../gcc/gcc/dwarf2codeview.cc:2876:60: error: 'last_type' may be used uninitialized [-Werror=maybe-uninitialized] [all 2024-08-12 14:22:00] 2876 | ct->lf_fieldlist.last_subtype->lf_index.type_num = last_type; [all 2024-08-12 14:22:00] | ~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~^~~~~~~~~~~ [all 2024-08-12 14:22:00] ../../gcc/gcc/dwarf2codeview.cc: In function 'uint32_t get_type_num(dw_die_ref, bool, bool)': [all 2024-08-12 14:22:00] ../../gcc/gcc/dwarf2codeview.cc:2729:12: note: 'last_type' was declared here [all 2024-08-12 14:22:00] 2729 | uint32_t last_type; [all 2024-08-12 14:22:00] | ^~~~~~~~~ [all 2024-08-12 14:22:00] cc1plus: all warnings being treated as errors [all 2024-08-12 14:22:00] make[1]: *** [Makefile:1194: dwarf2codeview.o] Error 1 [all 2024-08-12 14:22:00] make[1]: Leaving directory '/var/lib/laminar/run/gcc-i686-mingw32crt/58/toolchain-build/gcc' [all 2024-08-12 14:22:00] make: *** [Makefile:4698: all-gcc] Error 2 Full build logs at http://toolchain.lug-owl.de/laminar/jobs/gcc-i686-mingw32crt/58 and http://toolchain.lug-owl.de/laminar/jobs/gcc-i686-cygwinOPT-enable-threads=yes/53 . MfG, JBG --
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