> -----Message d'origine----- > De : fpc-pascal-boun...@lists.freepascal.org [mailto:fpc-pascal- > boun...@lists.freepascal.org] De la part de Michael Ring > Envoyé : vendredi 10 janvier 2014 13:40 > À : FPC-Pascal users discussions > Objet : Re: [fpc-pascal] ARM Linux crosscompiler: compiles but... > executable gives segmentation fault > > I think this is an ARMV6 specific Problem, I also realized while > debugging on embedded target that it does not work anymore, same code > compiled for ARMV7 debugs (and runs) just fine... > > Until now I did not find the time to search for the revision that broke > armv6m. > > Michael > > Am 10.01.14 13:27, schrieb Reinier Olislagers: > > Hi all, > > > > For the Dutch among us: de dag die je wist dat zou komen... > > > > Thanks to earlier help I got to build an ARM Linux cross compiler > module > > in fpcup which even compiles fpcup itself (both using trunk and > stable > > starting compiler): > > opt="-fPIC -dFPC_ARMHF" > > crossopt="-CpARMV6 -CaEABIHF -CfVFPV2" > > > > fpc -g -gl -Tlinux -Parm simple.lpr > > > > Question: should I have compiled with -fPIC? > > > > Uploaded resulting executable > > http://ubuntuone.com/0y3yXGcU8fEXR6OTMyvfGN > > > > The program: > > program simple; > > > > begin > > writeln('hello'); > > end. > > > > Relevant fpc.cfg snippet: > > #IFDEF CPUARM > > #IFDEF LINUX > > -CpARMV6 > > -CaEABIHF > > -CfVFPV2 > > -FDC:\development\cross\bin\arm-linux\ > > -XParm-linux- > > -Xd > > -FlC:\development\cross\lib\arm-linux\ > > -Xr/usr/lib > > #ENDIF > > #ENDIF > > > > However, running the resulting binary on my virtual Raspbian fails > with > > a segmentation fault. Running under gdb gives > > (gdb) run > > Starting program: /root/simple > > > > Program received signal SIGSEGV, Segmentation fault. > > 0x0002b6e4 in > > SYSTEM_$$_ARRAYSTRINGTOPPCHAR$array_of_ANSISTRING$LONGINT$$PPCHAR ()
Maybe it is just using an unsupported instruction? what does "x /10i $pc" return? Pierre Muller _______________________________________________ fpc-pascal maillist - fpc-pascal@lists.freepascal.org http://lists.freepascal.org/cgi-bin/mailman/listinfo/fpc-pascal
