./configure --enable-languages=c --disable-nls --disable-threads --disable-shared --disable-checking --prefix=/usr --target=mips-linux make TARGET_LIBGCC2_CFLAGS='-Dinhibit_libc -D__gthr_posix_h' results in ... /gcc-3.3.5/gcc/xgcc -B/gcc-3.3.5/gcc/ -B/usr/mips-linux/bin/ -B/usr/mips-linux/lib/ -isystem /usr/mips-linux/include -O2 -DIN_GCC -DCROSS_COMPILE -W -Wall -Wwrite-strings -Wstrict-prototypes -Wmissing-prototypes -isystem ./include -fPIC -g -DIN_LIBGCC2 -D__GCC_FLOAT_NOT_NEEDED -Dinhibit_libc -I. -I. -I. -I./. -I./config -I./../include -DL_divdi3 -c ./libgcc2.c -fexceptions -fnon-call-exceptions -o libgcc/./_divdi3.o /root/tmp/ccI71cbx.s: Assembler messages: /root/tmp/ccI71cbx.s:956: Error: operation combines symbols in different segments 955 .4byte $LASFDE1-$Lframe1 956 .4byte $LFB4-. 957 .4byte $LFE4-$LFB4 (removing the '-.' in that line *G* makes it work with gas 2.15.94.0.2.2)
956 .4byte $LFB4-. Are you sure that this is not an assembler problem?
Subject: Re: New: building mips/64 cross compiler on x86 produces incorrect assembler code for _divdi3 with -fnon-call-exceptions On Wed, Apr 13, 2005 at 05:22:07AM -0000, herbert at 13thfloor dot at wrote: > ./configure --enable-languages=c --disable-nls --disable-threads > --disable-shared --disable-checking --prefix=/usr --target=mips-linux > make TARGET_LIBGCC2_CFLAGS='-Dinhibit_libc -D__gthr_posix_h' > > results in ... > /gcc-3.3.5/gcc/xgcc -B/gcc-3.3.5/gcc/ -B/usr/mips-linux/bin/ > -B/usr/mips-linux/lib/ -isystem /usr/mips-linux/include -O2 -DIN_GCC > -DCROSS_COMPILE -W -Wall -Wwrite-strings -Wstrict-prototypes > -Wmissing-prototypes -isystem ./include -fPIC -g -DIN_LIBGCC2 > -D__GCC_FLOAT_NOT_NEEDED -Dinhibit_libc -I. -I. -I. -I./. -I./config > -I./../include -DL_divdi3 -c ./libgcc2.c -fexceptions -fnon-call-exceptions -o > libgcc/./_divdi3.o > /root/tmp/ccI71cbx.s: Assembler messages: > /root/tmp/ccI71cbx.s:956: Error: operation combines symbols in different segments > > 955 .4byte $LASFDE1-$Lframe1 > 956 .4byte $LFB4-. > 957 .4byte $LFE4-$LFB4 > > (removing the '-.' in that line *G* makes it work with gas 2.15.94.0.2.2) The feature was removed from the assembler, because it is not ABI compliant. This is fixed in GCC 3.4 and later. You can just delete the definition in config/mips/linux.h that causes this. ASM_PREFERRED_EH_DATA_FORMAT or something similar, I don't remember the spelling.
Subject: Re: building mips/64 cross compiler on x86 produces incorrect assembler code for _divdi3 with -fnon-call-exceptions On Wed, Apr 13, 2005 at 09:46:26AM -0000, pinskia at gcc dot gnu dot org wrote: > Component|bootstrap |debug BTW, this has little to do with debugging; it's unwind information, which is runtime.
Closing as fixed then.
Subject: Re: building mips/64 cross compiler on x86 produces incorrect assembler code for _divdi3 with -fnon-call-exceptions On Wed, Apr 13, 2005 at 05:51:18PM -0000, drow at false dot org wrote: > > ------- Additional Comments From drow at false dot org 2005-04-13 17:51 ------- > Subject: Re: building mips/64 cross compiler on x86 produces incorrect assembler code for _divdi3 with -fnon-call-exceptions > > On Wed, Apr 13, 2005 at 09:46:26AM -0000, pinskia at gcc dot gnu dot org wrote: > > Component|bootstrap |debug > > BTW, this has little to do with debugging; it's unwind information, > which is runtime. hmm, sorry about that, was (as usual) confused by the bug tracking tool ... didn't even notice that I selected debug (I probably did, or didn't I?) best, Herbert > -- > http://gcc.gnu.org/bugzilla/show_bug.cgi?id=20985 > > ------- You are receiving this mail because: ------- > You reported the bug, or are watching the reporter.
Subject: Re: building mips/64 cross compiler on x86 produces incorrect assembler code for _divdi3 with -fnon-call-exceptions On Wed, Apr 13, 2005 at 09:46:24AM -0000, pinskia at gcc dot gnu dot org wrote: > > ------- Additional Comments From pinskia at gcc dot gnu dot org 2005-04-13 09:46 ------- > 956 .4byte $LFB4-. > > Are you sure that this is not an assembler problem? tested with binutils 2.15.91.0.1, at least those give the very same message ... /root/tmp/ccHAa3KN.s: Assembler messages: /root/tmp/ccHAa3KN.s:955: Error: operation combines symbols in different segments thanks, Herbert > > -- > What |Removed |Added > ---------------------------------------------------------------------------- > Severity|critical |normal > Component|bootstrap |debug > Keywords| |build > > > http://gcc.gnu.org/bugzilla/show_bug.cgi?id=20985 > > ------- You are receiving this mail because: ------- > You reported the bug, or are watching the reporter.
Subject: Re: building mips/64 cross compiler on x86 produces incorrect assembler code for _divdi3 with -fnon-call-exceptions On Wed, Apr 13, 2005 at 05:50:59PM -0000, drow at false dot org wrote: > > ------- Additional Comments From drow at false dot org 2005-04-13 17:50 ------- > Subject: Re: New: building mips/64 cross compiler on x86 produces incorrect assembler code for _divdi3 with -fnon-call-exceptions > > On Wed, Apr 13, 2005 at 05:22:07AM -0000, herbert at 13thfloor dot at wrote: > > ./configure --enable-languages=c --disable-nls --disable-threads > > --disable-shared --disable-checking --prefix=/usr --target=mips-linux > > make TARGET_LIBGCC2_CFLAGS='-Dinhibit_libc -D__gthr_posix_h' > > > > results in ... > > /gcc-3.3.5/gcc/xgcc -B/gcc-3.3.5/gcc/ -B/usr/mips-linux/bin/ > > -B/usr/mips-linux/lib/ -isystem /usr/mips-linux/include -O2 -DIN_GCC > > -DCROSS_COMPILE -W -Wall -Wwrite-strings -Wstrict-prototypes > > -Wmissing-prototypes -isystem ./include -fPIC -g -DIN_LIBGCC2 > > -D__GCC_FLOAT_NOT_NEEDED -Dinhibit_libc -I. -I. -I. -I./. -I./config > > -I./../include -DL_divdi3 -c ./libgcc2.c -fexceptions -fnon-call-exceptions -o > > libgcc/./_divdi3.o > > /root/tmp/ccI71cbx.s: Assembler messages: > > /root/tmp/ccI71cbx.s:956: Error: operation combines symbols in different segments > > > > 955 .4byte $LASFDE1-$Lframe1 > > 956 .4byte $LFB4-. > > 957 .4byte $LFE4-$LFB4 > > > > (removing the '-.' in that line *G* makes it work with gas 2.15.94.0.2.2) > > The feature was removed from the assembler, because it is not ABI > compliant. This is fixed in GCC 3.4 and later. You can just delete > the definition in config/mips/linux.h that causes this. > > ASM_PREFERRED_EH_DATA_FORMAT or something similar, I don't remember the > spelling. yep, that fixes it ... thanks a lot! Herbert > http://gcc.gnu.org/bugzilla/show_bug.cgi?id=20985 > > ------- You are receiving this mail because: ------- > You reported the bug, or are watching the reporter.