Debuggging error "Frame not in module"

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  • August 12, 2013 at 07:50 #602
    JordanW
    Participant

    I’m using a Linux license to remote debug a remote linux program. When I start debugging and set a breakpoint in the multi-threaded application, VS2012 cannot find the current stack frame in a loaded module. The source cannot be shown for this location.

    I’m using VGDB 3.1, Windows 7, Visual Studio 2012, Linux target with GDB 7.2-52

    This is the log file:

    gdb –interpreter mi –args “/tmp/VisualGDB/Archos/ArchosProject/Debug/Archos”
    -list-features
    =thread-group-added,id=”i1″
    ~”GNU gdb (GDB) Fedora (7.2-52.fc14)n”
    ~”Copyright (C) 2010 Free Software Foundation, Inc.n”
    ~”License GPLv3+: GNU GPL version 3 or later <http://gnu.org/licenses/gpl.html>nThis is free software: you are free to change and redistribute it.nThere is NO WARRANTY, to the extent permitted by law. Type “show copying”nand “show warranty” for details.n”
    ~”This GDB was configured as “i686-redhat-linux-gnu”.nFor bug reporting instructions, please see:n”
    ~”<http://www.gnu.org/software/gdb/bugs/>…n”
    ~”Reading symbols from /tmp/VisualGDB/Archos/ArchosProject/Debug/Archos…”
    ~”done.n”
    ^done,features=[“frozen-varobjs”,”pending-breakpoints”,”thread-info”,”python”]
    -gdb-set stop-on-solib-events 1
    ^done
    ^done
    -inferior-tty-set /dev/pts/1
    ^done
    -data-list-register-names
    ^done,register-names=[“eax”,”ecx”,”edx”,”ebx”,”esp”,”ebp”,”esi”,”edi”,”eip”,”eflags”,”cs”,”ss”,”ds”,”es”,”fs”,”gs”,”st0″,”st1″,”st2″,”st3″,”st4″,”st5″,”st6″,”st7″,”fctrl”,”fstat”,”ftag”,”fiseg”,”fioff”,”foseg”,”fooff”,”fop”,”xmm0″,”xmm1″,”xmm2″,”xmm3″,”xmm4″,”xmm5″,”xmm6″,”xmm7″,”mxcsr”,””,””,””,””,””,””,””,””,”orig_eax”,”al”,”cl”,”dl”,”bl”,”ah”,”ch”,”dh”,”bh”,”ax”,”cx”,”dx”,”bx”,””,”bp”,”si”,”di”,”mm0″,”mm1″,”mm2″,”mm3″,”mm4″,”mm5″,”mm6″,”mm7″]
    -gdb-set disassembly-flavor intel
    ^done
    ^done
    -gdb-set print demangle off
    ^done
    -gdb-version
    ~”GNU gdb (GDB) Fedora (7.2-52.fc14)n”
    ~”Copyright (C) 2010 Free Software Foundation, Inc.n”
    ~”License GPLv3+: GNU GPL version 3 or later <http://gnu.org/licenses/gpl.html>nThis is free software: you are free to change and redistribute it.nThere is NO WARRANTY, to the extent permitted by law. Type “show copying”nand “show warranty” for details.n”
    ~”This GDB was configured as “i686-redhat-linux-gnu”.nFor bug reporting instructions, please see:n”
    ~”<http://www.gnu.org/software/gdb/bugs/>.n”
    ^done
    -break-insert -f main
    ^done,bkpt={number=”1″,type=”breakpoint”,disp=”keep”,enabled=”y”,addr=”0x08058057″,func=”main(int, char**)”,file=”../Main/main.cpp”,fullname=”/tmp/VisualGDB/Archos/Main/main.cpp”,line=”50″,times=”0″,original-location=”main”}
    info target
    &”info targetn”
    ~”Symbols from “/tmp/VisualGDB/Archos/ArchosProject/Debug/Archos”.n”
    ~”Local exec file:n”
    ~”t`/tmp/VisualGDB/Archos/ArchosProject/Debug/Archos’, file type elf32-i386.n”
    ~”tEntry point: 0x8049fc0n”
    ~”t0x08048134 – 0x08048147 is .interpn”
    ~”t0x08048148 – 0x08048168 is .note.ABI-tagn”
    ~”t0x08048168 – 0x0804818c is .note.gnu.build-idn”
    ~”t0x0804818c – 0x080481f0 is .gnu.hashn”
    ~”t0x080481f0 – 0x08048b00 is .dynsymn”
    ~”t0x08048b00 – 0x0804924c is .dynstrn”
    ~”t0x0804924c – 0x0804936e is .gnu.versionn”
    ~”t0x08049370 – 0x08049460 is .gnu.version_rn”
    ~”t0x08049460 – 0x08049488 is .rel.dynn”
    ~”t0x08049488 – 0x08049830 is .rel.pltn”
    ~”t0x08049830 – 0x08049860 is .initn”
    ~”t0x08049860 – 0x08049fc0 is .pltn”
    ~”t0x08049fc0 – 0x08059bdb is .textn”
    ~”t0x08059bdc – 0x08059bf8 is .finin”
    ~”t0x08059c00 – 0x0805b61c is .rodatan”
    ~”t0x0805b61c – 0x0805c858 is .eh_frame_hdrn”
    ~”t0x0805c858 – 0x080617ac is .eh_framen”
    ~”t0x080617ac – 0x080625b9 is .gcc_except_tablen”
    ~”t0x080635bc – 0x080635fc is .ctorsn”
    ~”t0x080635fc – 0x08063604 is .dtorsn”
    ~”t0x08063604 – 0x08063608 is .jcrn”
    ~”t0x08063608 – 0x08063718 is .dynamicn”
    ~”t0x08063718 – 0x0806371c is .gotn”
    ~”t0x0806371c – 0x080638fc is .got.pltn”
    ~”t0x08063900 – 0x08063b68 is .bssn”
    ^done
    -exec-run
    =thread-group-started,id=”i1″,pid=”1557″
    =thread-created,id=”1″,group-id=”i1″
    ^running
    *running,thread-id=”all”
    =library-loaded,id=”/lib/ld-linux.so.2″,target-name=”/lib/ld-linux.so.2″,host-name=”/lib/ld-linux.so.2″,symbols-loaded=”0″,thread-group=”i1″
    ~”Stopped due to shared library eventn”
    *stopped,thread-id=”1″,stopped-threads=”all”,core=”0″
    -break-list
    ^done,BreakpointTable={nr_rows=”1″,nr_cols=”6″,hdr=[{width=”7″,alignment=”-1″,col_name=”number”,colhdr=”Num”},{width=”14″,alignment=”-1″,col_name=”type”,colhdr=”Type”},{width=”4″,alignment=”-1″,col_name=”disp”,colhdr=”Disp”},{width=”3″,alignment=”-1″,col_name=”enabled”,colhdr=”Enb”},{width=”10″,alignment=”-1″,col_name=”addr”,colhdr=”Address”},{width=”40″,alignment=”2″,col_name=”what”,colhdr=”What”}],body=[bkpt={number=”1″,type=”breakpoint”,disp=”keep”,enabled=”y”,addr=”0x08058057″,func=”main(int, char**)”,file=”../Main/main.cpp”,fullname=”/tmp/VisualGDB/Archos/Main/main.cpp”,line=”50″,times=”0″,original-location=”main”}]}
    ^done,BreakpointTable={nr_rows=”1″,nr_cols=”6″,hdr=[{width=”7″,alignment=”-1″,col_name=”number”,colhdr=”Num”},{width=”14″,alignment=”-1″,col_name=”type”,colhdr=”Type”},{width=”4″,alignment=”-1″,col_name=”disp”,colhdr=”Disp”},{width=”3″,alignment=”-1″,col_name=”enabled”,colhdr=”Enb”},{width=”10″,alignment=”-1″,col_name=”addr”,colhdr=”Address”},{width=”40″,alignment=”2″,col_name=”what”,colhdr=”What”}],body=[bkpt={number=”1″,type=”breakpoint”,disp=”keep”,enabled=”y”,addr=”0x08058057″,func=”main(int, char**)”,file=”../Main/main.cpp”,fullname=”/tmp/VisualGDB/Archos/Main/main.cpp”,line=”50″,times=”0″,original-location=”main”}]}
    info shared
    &”info sharedn”
    ~”From To Syms Read Shared Object Libraryn”
    ~”0x00510850 0x00527b3f Yes /lib/ld-linux.so.2n”
    ^done
    -exec-continue
    ^running
    *running,thread-id=”1″
    =library-loaded,id=”/lib/libncurses.so.5″,target-name=”/lib/libncurses.so.5″,host-name=”/lib/libncurses.so.5″,symbols-loaded=”0″,thread-group=”i1″
    =library-loaded,id=”/lib/libtinfo.so.5″,target-name=”/lib/libtinfo.so.5″,host-name=”/lib/libtinfo.so.5″,symbols-loaded=”0″,thread-group=”i1″
    =library-loaded,id=”/opt/simplon/lib/liblv.simplon.so”,target-name=”/opt/simplon/lib/liblv.simplon.so”,host-name=”/opt/simplon/lib/liblv.simplon.so”,symbols-loaded=”0″,thread-group=”i1″
    =library-loaded,id=”/opt/simplon/lib/liblv.imgproc.so”,target-name=”/opt/simplon/lib/liblv.imgproc.so”,host-name=”/opt/simplon/lib/liblv.imgproc.so”,symbols-loaded=”0″,thread-group=”i1″
    =library-loaded,id=”/usr/lib/libstdc++.so.6″,target-name=”/usr/lib/libstdc++.so.6″,host-name=”/usr/lib/libstdc++.so.6″,symbols-loaded=”0″,thread-group=”i1″
    =library-loaded,id=”/lib/libm.so.6″,target-name=”/lib/libm.so.6″,host-name=”/lib/libm.so.6″,symbols-loaded=”0″,thread-group=”i1″
    =library-loaded,id=”/lib/libgcc_s.so.1″,target-name=”/lib/libgcc_s.so.1″,host-name=”/lib/libgcc_s.so.1″,symbols-loaded=”0″,thread-group=”i1″
    =library-loaded,id=”/lib/libpthread.so.0″,target-name=”/lib/libpthread.so.0″,host-name=”/lib/libpthread.so.0″,symbols-loaded=”0″,thread-group=”i1″
    =library-loaded,id=”/lib/libc.so.6″,target-name=”/lib/libc.so.6″,host-name=”/lib/libc.so.6″,symbols-loaded=”0″,thread-group=”i1″
    =library-loaded,id=”/lib/libdl.so.2″,target-name=”/lib/libdl.so.2″,host-name=”/lib/libdl.so.2″,symbols-loaded=”0″,thread-group=”i1″
    =library-loaded,id=”/opt/simplon/lib/liblv.osdep.so”,target-name=”/opt/simplon/lib/liblv.osdep.so”,host-name=”/opt/simplon/lib/liblv.osdep.so”,symbols-loaded=”0″,thread-group=”i1″
    =library-loaded,id=”/opt/simplon/lib/liblv.log.so”,target-name=”/opt/simplon/lib/liblv.log.so”,host-name=”/opt/simplon/lib/liblv.log.so”,symbols-loaded=”0″,thread-group=”i1″
    =library-loaded,id=”/opt/simplon/lib/liblv.ini.so”,target-name=”/opt/simplon/lib/liblv.ini.so”,host-name=”/opt/simplon/lib/liblv.ini.so”,symbols-loaded=”0″,thread-group=”i1″
    =library-loaded,id=”/lib/librt.so.1″,target-name=”/lib/librt.so.1″,host-name=”/lib/librt.so.1″,symbols-loaded=”0″,thread-group=”i1″
    =library-loaded,id=”/opt/simplon/lib/liblv.jpeg.so”,target-name=”/opt/simplon/lib/liblv.jpeg.so”,host-name=”/opt/simplon/lib/liblv.jpeg.so”,symbols-loaded=”0″,thread-group=”i1″
    ~”[Thread debugging using libthread_db enabled]n”
    ~”Stopped due to shared library eventn”
    *stopped,thread-id=”1″,stopped-threads=”all”,core=”0″
    -break-list
    ^done,BreakpointTable={nr_rows=”1″,nr_cols=”6″,hdr=[{width=”7″,alignment=”-1″,col_name=”number”,colhdr=”Num”},{width=”14″,alignment=”-1″,col_name=”type”,colhdr=”Type”},{width=”4″,alignment=”-1″,col_name=”disp”,colhdr=”Disp”},{width=”3″,alignment=”-1″,col_name=”enabled”,colhdr=”Enb”},{width=”10″,alignment=”-1″,col_name=”addr”,colhdr=”Address”},{width=”40″,alignment=”2″,col_name=”what”,colhdr=”What”}],body=[bkpt={number=”1″,type=”breakpoint”,disp=”keep”,enabled=”y”,addr=”0x08058057″,func=”main(int, char**)”,file=”../Main/main.cpp”,fullname=”/tmp/VisualGDB/Archos/Main/main.cpp”,line=”50″,times=”0″,original-location=”main”}]}
    info shared
    &”info sharedn”
    ~”From To Syms Read Shared Object Libraryn”
    ~”0x00510850 0x00527b3f Yes /lib/ld-linux.so.2n”
    ~”0x04cb3e80 0x04ccd198 Yes /lib/libncurses.so.5n”
    ~”0x04a9cd00 0x04aa7768 Yes /lib/libtinfo.so.5n”
    ~”0xb7fd6ea0 0xb7fe1534 Yes /opt/simplon/lib/liblv.simplon.son”
    ~”0xb7f23b50 0xb7f6e3b4 Yes /opt/simplon/lib/liblv.imgproc.son”
    ~”0x04403b30 0x044768c8 Yes /usr/lib/libstdc++.so.6n”
    ~”0x006ef470 0x00709b68 Yes /lib/libm.so.6n”
    ~”0x00719f90 0x00730818 Yes /lib/libgcc_s.so.1n”
    ~”0x006c1600 0x006cd4e8 Yes /lib/libpthread.so.0n”
    ~”0x00547c10 0x006649c4 Yes /lib/libc.so.6n”
    ~”0x006daa60 0x006dba88 Yes /lib/libdl.so.2n”
    ~”0xb7f10b20 0xb7f14214 Yes /opt/simplon/lib/liblv.osdep.son”
    ~”0xb7f00890 0xb7f077b4 Yes /opt/simplon/lib/liblv.log.son”
    ~”0xb7eea650 0xb7efa594 Yes /opt/simplon/lib/liblv.ini.son”
    ~”0x006e2880 0x006e6638 Yes /lib/librt.so.1n”
    ~”0xb7ea6380 0xb7ee4b44 Yes /opt/simplon/lib/liblv.jpeg.son”
    ^done
    -exec-continue
    ^running
    *running,thread-id=”1″
    =thread-created,id=”2″,group-id=”i1″
    ~”[New Thread 0xb7e9fb70 (LWP 1560)]n”
    *running,thread-id=”all”
    *stopped,reason=”breakpoint-hit”,disp=”keep”,bkptno=”1″,frame={addr=”0x08058057″,func=”main”,args=[{name=”argc”,value=”1″},{name=”argv”,value=”0xbffffc04″}],file=”../Main/main.cpp”,fullname=”/tmp/VisualGDB/Archos/Main/main.cpp”,line=”50″},thread-id=”1″,stopped-threads=”all”,core=”1″
    -break-delete 1
    ^done
    -exec-continue
    ^running
    *running,thread-id=”all”
    &”Detaching after fork from child process 1561.n”
    =thread-created,id=”3″,group-id=”i1″
    ~”[New Thread 0xb74ffb70 (LWP 1562)]n”
    *running,thread-id=”all”
    ~”[Switching to Thread 0xb74ffb70 (LWP 1562)]n”
    *stopped,reason=”signal-received”,signal-name=”SIGSEGV”,signal-meaning=”Segmentation fault”,frame={addr=”0x08055cab”,func=”_ZN3Lib7ImgProc9CLightBar15DetectEdgesFastEPN6Camera10TImageInfoE”,args=[]},thread-id=”3″,stopped-threads=”all”,core=”0″
    =thread-selected,id=”3″
    -stack-list-frames –thread 3
    ^done,stack=[frame={level=”0″,addr=”0x08055cab”,func=”_ZN3Lib7ImgProc9CLightBar15DetectEdgesFastEPN6Camera10TImageInfoE”},frame={level=”1″,addr=”0x08055b19″,func=”_ZN3Lib7ImgProc9CLightBar11DetectEdgesEPN6Camera10TImageInfoE”},frame={level=”2″,addr=”0x0804b225″,func=”Application::WidthMonitor::CApplication_WidthMonitor::RunStateMachine”,file=”../Application/WidthMonitor/Src/Application_WidthMonitor.cpp”,fullname=”/tmp/VisualGDB/Archos/Application/WidthMonitor/Src/Application_WidthMonitor.cpp”,line=”115″},frame={level=”3″,addr=”0x0804a6bd”,func=”_ZN11Application12CApplication10ThreadMainEv”},frame={level=”4″,addr=”0x0804a63f”,func=”_ZN11Application12CApplication17ThreadMain_StaticEPv”},frame={level=”5″,addr=”0x006c2e99″,func=”start_thread”,file=”pthread_create.c”,fullname=”/usr/src/debug/glibc-2.13-13-g943515f/nptl/pthread_create.c”,line=”301″},frame={level=”6″,addr=”0x00608d2e”,func=”clone”,file=”../sysdeps/unix/sysv/linux/i386/clone.S”,fullname=”/usr/src/debug/glibc-2.13-13-g943515f/sysdeps/unix/sysv/linux/i386/clone.S”,line=”133″}]
    -stack-list-arguments –thread 3 1
    ^done,stack-args=[frame={level=”0″,args=[]},frame={level=”1″,args=[]},frame={level=”2″,args=[{name=”this”,value=”0x807c698″}]},frame={level=”3″,args=[]},frame={level=”4″,args=[]},frame={level=”5″,args=[{name=”arg”,value=”0xb74ffb70″}]},frame={level=”6″,args=[]}]
    -thread-info
    =thread-created,id=”4″,group-id=”i1″
    ~”[New Thread 0xb6cfeb70 (LWP 1563)]n”
    ^done,threads=[{id=”4″,target-id=”Thread 0xb6cfeb70 (LWP 1563)”,frame={level=”0″,addr=”0x00608d18″,func=”clone”,args=[],file=”../sysdeps/unix/sysv/linux/i386/clone.S”,fullname=”/usr/src/debug/glibc-2.13-13-g943515f/sysdeps/unix/sysv/linux/i386/clone.S”,line=”111″},state=”stopped”,core=”0″},{id=”3″,target-id=”Thread 0xb74ffb70 (LWP 1562)”,frame={level=”0″,addr=”0x08055cab”,func=”_ZN3Lib7ImgProc9CLightBar15DetectEdgesFastEPN6Camera10TImageInfoE”,args=[]},state=”stopped”,core=”0″},{id=”2″,target-id=”Thread 0xb7e9fb70 (LWP 1560)”,frame={level=”0″,addr=”0xb7fff424″,func=”__kernel_vsyscall”,args=[]},state=”stopped”,core=”1″},{id=”1″,target-id=”Thread 0xb7ea1ac0 (LWP 1557)”,frame={level=”0″,addr=”0x00608d18″,func=”clone”,args=[],file=”../sysdeps/unix/sysv/linux/i386/clone.S”,fullname=”/usr/src/debug/glibc-2.13-13-g943515f/sysdeps/unix/sysv/linux/i386/clone.S”,line=”111″},state=”stopped”,core=”0″}],current-thread-id=”3″
    -data-evaluate-expression “sizeof(void *)”
    ^done,value=”4″
    -data-evaluate-expression “sizeof(int)”
    ^done,value=”4″
    -data-evaluate-expression “sizeof(short)”
    ^done,value=”2″
    -data-evaluate-expression “sizeof(long)”
    ^done,value=”4″
    -data-evaluate-expression “sizeof(long long)”
    ^done,value=”8″
    -data-evaluate-expression “sizeof(char)”
    ^done,value=”1″
    -data-evaluate-expression “sizeof(wchar_t)”
    ^done,value=”4″
    -data-evaluate-expression “sizeof(float)”
    ^done,value=”4″
    -data-evaluate-expression “sizeof(double)”
    ^done,value=”8″
    -data-evaluate-expression “sizeof(long double)”
    ^done,value=”12″
    -thread-info
    ^done,threads=[{id=”4″,target-id=”Thread 0xb6cfeb70 (LWP 1563)”,frame={level=”0″,addr=”0x00608d18″,func=”clone”,args=[],file=”../sysdeps/unix/sysv/linux/i386/clone.S”,fullname=”/usr/src/debug/glibc-2.13-13-g943515f/sysdeps/unix/sysv/linux/i386/clone.S”,line=”111″},state=”stopped”,core=”0″},{id=”3″,target-id=”Thread 0xb74ffb70 (LWP 1562)”,frame={level=”0″,addr=”0x08055cab”,func=”_ZN3Lib7ImgProc9CLightBar15DetectEdgesFastEPN6Camera10TImageInfoE”,args=[]},state=”stopped”,core=”0″},{id=”2″,target-id=”Thread 0xb7e9fb70 (LWP 1560)”,frame={level=”0″,addr=”0xb7fff424″,func=”__kernel_vsyscall”,args=[]},state=”stopped”,core=”1″},{id=”1″,target-id=”Thread 0xb7ea1ac0 (LWP 1557)”,frame={level=”0″,addr=”0x00608d18″,func=”clone”,args=[],file=”../sysdeps/unix/sysv/linux/i386/clone.S”,fullname=”/usr/src/debug/glibc-2.13-13-g943515f/sysdeps/unix/sysv/linux/i386/clone.S”,line=”111″},state=”stopped”,core=”0″}],current-thread-id=”3″
    -thread-info
    ^done,threads=[{id=”4″,target-id=”Thread 0xb6cfeb70 (LWP 1563)”,frame={level=”0″,addr=”0x00608d18″,func=”clone”,args=[],file=”../sysdeps/unix/sysv/linux/i386/clone.S”,fullname=”/usr/src/debug/glibc-2.13-13-g943515f/sysdeps/unix/sysv/linux/i386/clone.S”,line=”111″},state=”stopped”,core=”0″},{id=”3″,target-id=”Thread 0xb74ffb70 (LWP 1562)”,frame={level=”0″,addr=”0x08055cab”,func=”_ZN3Lib7ImgProc9CLightBar15DetectEdgesFastEPN6Camera10TImageInfoE”,args=[]},state=”stopped”,core=”0″},{id=”2″,target-id=”Thread 0xb7e9fb70 (LWP 1560)”,frame={level=”0″,addr=”0xb7fff424″,func=”__kernel_vsyscall”,args=[]},state=”stopped”,core=”1″},{id=”1″,target-id=”Thread 0xb7ea1ac0 (LWP 1557)”,frame={level=”0″,addr=”0x00608d18″,func=”clone”,args=[],file=”../sysdeps/unix/sysv/linux/i386/clone.S”,fullname=”/usr/src/debug/glibc-2.13-13-g943515f/sysdeps/unix/sysv/linux/i386/clone.S”,line=”111″},state=”stopped”,core=”0″}],current-thread-id=”3″
    -stack-list-frames –thread 3
    ^done,stack=[frame={level=”0″,addr=”0x08055cab”,func=”_ZN3Lib7ImgProc9CLightBar15DetectEdgesFastEPN6Camera10TImageInfoE”},frame={level=”1″,addr=”0x08055b19″,func=”_ZN3Lib7ImgProc9CLightBar11DetectEdgesEPN6Camera10TImageInfoE”},frame={level=”2″,addr=”0x0804b225″,func=”Application::WidthMonitor::CApplication_WidthMonitor::RunStateMachine”,file=”../Application/WidthMonitor/Src/Application_WidthMonitor.cpp”,fullname=”/tmp/VisualGDB/Archos/Application/WidthMonitor/Src/Application_WidthMonitor.cpp”,line=”115″},frame={level=”3″,addr=”0x0804a6bd”,func=”_ZN11Application12CApplication10ThreadMainEv”},frame={level=”4″,addr=”0x0804a63f”,func=”_ZN11Application12CApplication17ThreadMain_StaticEPv”},frame={level=”5″,addr=”0x006c2e99″,func=”start_thread”,file=”pthread_create.c”,fullname=”/usr/src/debug/glibc-2.13-13-g943515f/nptl/pthread_create.c”,line=”301″},frame={level=”6″,addr=”0x00608d2e”,func=”clone”,file=”../sysdeps/unix/sysv/linux/i386/clone.S”,fullname=”/usr/src/debug/glibc-2.13-13-g943515f/sysdeps/unix/sysv/linux/i386/clone.S”,line=”133″}]
    -stack-list-arguments –thread 3 0
    ^done,stack-args=[frame={level=”0″,args=[]},frame={level=”1″,args=[]},frame={level=”2″,args=[name=”this”]},frame={level=”3″,args=[]},frame={level=”4″,args=[]},frame={level=”5″,args=[name=”arg”]},frame={level=”6″,args=[]}]
    -thread-info
    ^done,threads=[{id=”4″,target-id=”Thread 0xb6cfeb70 (LWP 1563)”,frame={level=”0″,addr=”0x00608d18″,func=”clone”,args=[],file=”../sysdeps/unix/sysv/linux/i386/clone.S”,fullname=”/usr/src/debug/glibc-2.13-13-g943515f/sysdeps/unix/sysv/linux/i386/clone.S”,line=”111″},state=”stopped”,core=”0″},{id=”3″,target-id=”Thread 0xb74ffb70 (LWP 1562)”,frame={level=”0″,addr=”0x08055cab”,func=”_ZN3Lib7ImgProc9CLightBar15DetectEdgesFastEPN6Camera10TImageInfoE”,args=[]},state=”stopped”,core=”0″},{id=”2″,target-id=”Thread 0xb7e9fb70 (LWP 1560)”,frame={level=”0″,addr=”0xb7fff424″,func=”__kernel_vsyscall”,args=[]},state=”stopped”,core=”1″},{id=”1″,target-id=”Thread 0xb7ea1ac0 (LWP 1557)”,frame={level=”0″,addr=”0x00608d18″,func=”clone”,args=[],file=”../sysdeps/unix/sysv/linux/i386/clone.S”,fullname=”/usr/src/debug/glibc-2.13-13-g943515f/sysdeps/unix/sysv/linux/i386/clone.S”,line=”111″},state=”stopped”,core=”0″}],current-thread-id=”3″
    -stack-list-frames –thread 4
    ^done,stack=[frame={level=”0″,addr=”0x00608d18″,func=”clone”,file=”../sysdeps/unix/sysv/linux/i386/clone.S”,fullname=”/usr/src/debug/glibc-2.13-13-g943515f/sysdeps/unix/sysv/linux/i386/clone.S”,line=”111″},frame={level=”1″,addr=”0x003d0f00″,func=”??”},frame={level=”2″,addr=”0x00000000″,func=”??”}]
    -stack-list-arguments –thread 4 0
    ^done,stack-args=[frame={level=”0″,args=[]},frame={level=”1″,args=[]},frame={level=”2″,args=[]}]
    -stack-list-frames –thread 4
    ^done,stack=[frame={level=”0″,addr=”0x00608d18″,func=”clone”,file=”../sysdeps/unix/sysv/linux/i386/clone.S”,fullname=”/usr/src/debug/glibc-2.13-13-g943515f/sysdeps/unix/sysv/linux/i386/clone.S”,line=”111″},frame={level=”1″,addr=”0x003d0f00″,func=”??”},frame={level=”2″,addr=”0x00000000″,func=”??”}]
    -stack-list-arguments –thread 4 0
    ^done,stack-args=[frame={level=”0″,args=[]},frame={level=”1″,args=[]},frame={level=”2″,args=[]}]
    -stack-list-frames –thread 3
    ^done,stack=[frame={level=”0″,addr=”0x08055cab”,func=”_ZN3Lib7ImgProc9CLightBar15DetectEdgesFastEPN6Camera10TImageInfoE”},frame={level=”1″,addr=”0x08055b19″,func=”_ZN3Lib7ImgProc9CLightBar11DetectEdgesEPN6Camera10TImageInfoE”},frame={level=”2″,addr=”0x0804b225″,func=”Application::WidthMonitor::CApplication_WidthMonitor::RunStateMachine”,file=”../Application/WidthMonitor/Src/Application_WidthMonitor.cpp”,fullname=”/tmp/VisualGDB/Archos/Application/WidthMonitor/Src/Application_WidthMonitor.cpp”,line=”115″},frame={level=”3″,addr=”0x0804a6bd”,func=”_ZN11Application12CApplication10ThreadMainEv”},frame={level=”4″,addr=”0x0804a63f”,func=”_ZN11Application12CApplication17ThreadMain_StaticEPv”},frame={level=”5″,addr=”0x006c2e99″,func=”start_thread”,file=”pthread_create.c”,fullname=”/usr/src/debug/glibc-2.13-13-g943515f/nptl/pthread_create.c”,line=”301″},frame={level=”6″,addr=”0x00608d2e”,func=”clone”,file=”../sysdeps/unix/sysv/linux/i386/clone.S”,fullname=”/usr/src/debug/glibc-2.13-13-g943515f/sysdeps/unix/sysv/linux/i386/clone.S”,line=”133″}]
    -stack-list-arguments –thread 3 0
    ^done,stack-args=[frame={level=”0″,args=[]},frame={level=”1″,args=[]},frame={level=”2″,args=[name=”this”]},frame={level=”3″,args=[]},frame={level=”4″,args=[]},frame={level=”5″,args=[name=”arg”]},frame={level=”6″,args=[]}]
    -stack-list-frames –thread 2
    ^done,stack=[frame={level=”0″,addr=”0xb7fff424″,func=”__kernel_vsyscall”},frame={level=”1″,addr=”0x006c9765″,func=”sem_wait@@GLIBC_2.1″,file=”../nptl/sysdeps/unix/sysv/linux/i386/i486/sem_wait.S”,fullname=”/usr/src/debug/glibc-2.13-13-g943515f/nptl/sysdeps/unix/sysv/linux/i386/i486/sem_wait.S”,line=”80″},frame={level=”2″,addr=”0xb7f12bfd”,func=”LvOsWaitForSemaphore”,from=”/opt/simplon/lib/liblv.osdep.so”},frame={level=”3″,addr=”0xb7f06220″,func=”??”,from=”/opt/simplon/lib/liblv.log.so”},frame={level=”4″,addr=”0xb7f0301b”,func=”??”,from=”/opt/simplon/lib/liblv.log.so”},frame={level=”5″,addr=”0x006c2e99″,func=”start_thread”,file=”pthread_create.c”,fullname=”/usr/src/debug/glibc-2.13-13-g943515f/nptl/pthread_create.c”,line=”301″},frame={level=”6″,addr=”0x00608d2e”,func=”clone”,file=”../sysdeps/unix/sysv/linux/i386/clone.S”,fullname=”/usr/src/debug/glibc-2.13-13-g943515f/sysdeps/unix/sysv/linux/i386/clone.S”,line=”133″}]
    -stack-list-arguments –thread 2 0
    ^done,stack-args=[frame={level=”0″,args=[]},frame={level=”1″,args=[]},frame={level=”2″,args=[]},frame={level=”3″,args=[]},frame={level=”4″,args=[]},frame={level=”5″,args=[name=”arg”]},frame={level=”6″,args=[]}]
    -stack-list-frames –thread 2
    ^done,stack=[frame={level=”0″,addr=”0xb7fff424″,func=”__kernel_vsyscall”},frame={level=”1″,addr=”0x006c9765″,func=”sem_wait@@GLIBC_2.1″,file=”../nptl/sysdeps/unix/sysv/linux/i386/i486/sem_wait.S”,fullname=”/usr/src/debug/glibc-2.13-13-g943515f/nptl/sysdeps/unix/sysv/linux/i386/i486/sem_wait.S”,line=”80″},frame={level=”2″,addr=”0xb7f12bfd”,func=”LvOsWaitForSemaphore”,from=”/opt/simplon/lib/liblv.osdep.so”},frame={level=”3″,addr=”0xb7f06220″,func=”??”,from=”/opt/simplon/lib/liblv.log.so”},frame={level=”4″,addr=”0xb7f0301b”,func=”??”,from=”/opt/simplon/lib/liblv.log.so”},frame={level=”5″,addr=”0x006c2e99″,func=”start_thread”,file=”pthread_create.c”,fullname=”/usr/src/debug/glibc-2.13-13-g943515f/nptl/pthread_create.c”,line=”301″},frame={level=”6″,addr=”0x00608d2e”,func=”clone”,file=”../sysdeps/unix/sysv/linux/i386/clone.S”,fullname=”/usr/src/debug/glibc-2.13-13-g943515f/sysdeps/unix/sysv/linux/i386/clone.S”,line=”133″}]
    -stack-list-arguments –thread 2 0
    ^done,stack-args=[frame={level=”0″,args=[]},frame={level=”1″,args=[]},frame={level=”2″,args=[]},frame={level=”3″,args=[]},frame={level=”4″,args=[]},frame={level=”5″,args=[name=”arg”]},frame={level=”6″,args=[]}]
    -stack-list-frames –thread 1
    ^done,stack=[frame={level=”0″,addr=”0x00608d18″,func=”clone”,file=”../sysdeps/unix/sysv/linux/i386/clone.S”,fullname=”/usr/src/debug/glibc-2.13-13-g943515f/sysdeps/unix/sysv/linux/i386/clone.S”,line=”111″},frame={level=”1″,addr=”0x00000000″,func=”??”}]
    -stack-list-arguments –thread 1 0
    ^done,stack-args=[frame={level=”0″,args=[]},frame={level=”1″,args=[]}]
    -stack-list-frames –thread 1
    ^done,stack=[frame={level=”0″,addr=”0x00608d18″,func=”clone”,file=”../sysdeps/unix/sysv/linux/i386/clone.S”,fullname=”/usr/src/debug/glibc-2.13-13-g943515f/sysdeps/unix/sysv/linux/i386/clone.S”,line=”111″},frame={level=”1″,addr=”0x00000000″,func=”??”}]
    -stack-list-arguments –thread 1 0
    ^done,stack-args=[frame={level=”0″,args=[]},frame={level=”1″,args=[]}]
    -thread-info
    ^done,threads=[{id=”4″,target-id=”Thread 0xb6cfeb70 (LWP 1563)”,frame={level=”0″,addr=”0x00608d18″,func=”clone”,args=[],file=”../sysdeps/unix/sysv/linux/i386/clone.S”,fullname=”/usr/src/debug/glibc-2.13-13-g943515f/sysdeps/unix/sysv/linux/i386/clone.S”,line=”111″},state=”stopped”,core=”0″},{id=”3″,target-id=”Thread 0xb74ffb70 (LWP 1562)”,frame={level=”0″,addr=”0x08055cab”,func=”_ZN3Lib7ImgProc9CLightBar15DetectEdgesFastEPN6Camera10TImageInfoE”,args=[]},state=”stopped”,core=”0″},{id=”2″,target-id=”Thread 0xb7e9fb70 (LWP 1560)”,frame={level=”0″,addr=”0xb7fff424″,func=”__kernel_vsyscall”,args=[]},state=”stopped”,core=”1″},{id=”1″,target-id=”Thread 0xb7ea1ac0 (LWP 1557)”,frame={level=”0″,addr=”0x00608d18″,func=”clone”,args=[],file=”../sysdeps/unix/sysv/linux/i386/clone.S”,fullname=”/usr/src/debug/glibc-2.13-13-g943515f/sysdeps/unix/sysv/linux/i386/clone.S”,line=”111″},state=”stopped”,core=”0″}],current-thread-id=”1″
    -stack-list-frames –thread 3
    ^done,stack=[frame={level=”0″,addr=”0x08055cab”,func=”_ZN3Lib7ImgProc9CLightBar15DetectEdgesFastEPN6Camera10TImageInfoE”},frame={level=”1″,addr=”0x08055b19″,func=”_ZN3Lib7ImgProc9CLightBar11DetectEdgesEPN6Camera10TImageInfoE”},frame={level=”2″,addr=”0x0804b225″,func=”Application::WidthMonitor::CApplication_WidthMonitor::RunStateMachine”,file=”../Application/WidthMonitor/Src/Application_WidthMonitor.cpp”,fullname=”/tmp/VisualGDB/Archos/Application/WidthMonitor/Src/Application_WidthMonitor.cpp”,line=”115″},frame={level=”3″,addr=”0x0804a6bd”,func=”_ZN11Application12CApplication10ThreadMainEv”},frame={level=”4″,addr=”0x0804a63f”,func=”_ZN11Application12CApplication17ThreadMain_StaticEPv”},frame={level=”5″,addr=”0x006c2e99″,func=”start_thread”,file=”pthread_create.c”,fullname=”/usr/src/debug/glibc-2.13-13-g943515f/nptl/pthread_create.c”,line=”301″},frame={level=”6″,addr=”0x00608d2e”,func=”clone”,file=”../sysdeps/unix/sysv/linux/i386/clone.S”,fullname=”/usr/src/debug/glibc-2.13-13-g943515f/sysdeps/unix/sysv/linux/i386/clone.S”,line=”133″}]
    -stack-list-frames –thread 3
    ^done,stack=[frame={level=”0″,addr=”0x08055cab”,func=”_ZN3Lib7ImgProc9CLightBar15DetectEdgesFastEPN6Camera10TImageInfoE”},frame={level=”1″,addr=”0x08055b19″,func=”_ZN3Lib7ImgProc9CLightBar11DetectEdgesEPN6Camera10TImageInfoE”},frame={level=”2″,addr=”0x0804b225″,func=”Application::WidthMonitor::CApplication_WidthMonitor::RunStateMachine”,file=”../Application/WidthMonitor/Src/Application_WidthMonitor.cpp”,fullname=”/tmp/VisualGDB/Archos/Application/WidthMonitor/Src/Application_WidthMonitor.cpp”,line=”115″},frame={level=”3″,addr=”0x0804a6bd”,func=”_ZN11Application12CApplication10ThreadMainEv”},frame={level=”4″,addr=”0x0804a63f”,func=”_ZN11Application12CApplication17ThreadMain_StaticEPv”},frame={level=”5″,addr=”0x006c2e99″,func=”start_thread”,file=”pthread_create.c”,fullname=”/usr/src/debug/glibc-2.13-13-g943515f/nptl/pthread_create.c”,line=”301″},frame={level=”6″,addr=”0x00608d2e”,func=”clone”,file=”../sysdeps/unix/sysv/linux/i386/clone.S”,fullname=”/usr/src/debug/glibc-2.13-13-g943515f/sysdeps/unix/sysv/linux/i386/clone.S”,line=”133″}]
    -var-create –frame 2 –thread 3 – * “!$lineinfo”
    ^done,name=”var1″,numchild=”0″,value=”true”,type=”bool”,has_more=”0″

    Anybody an idea?

    August 12, 2013 at 19:28 #2515
    ket
    Participant

    Hi,

    Looks like gdb cannot find the file for the frame, each of the frames below without the file defined cannot find the source file.

    ^done,stack=[frame={level="0",addr="0x08055cab",func="_ZN3Lib7ImgProc9CLightBar15DetectEdgesFastEPN6Camera10TImageInfoE"},frame={level="1",addr="0x08055b19",func="_ZN3Lib7ImgProc9CLightBar11DetectEdgesEPN6Camera10TImageInfoE"},frame={level="2",addr="0x0804b225",func="Application::WidthMonitor::CApplication_WidthMonitor::RunStateMachine",file="../Application/WidthMonitor/Src/Application_WidthMonitor.cpp",fullname="/tmp/VisualGDB/Archos/Application/WidthMonitor/Src/Application_WidthMonitor.cpp",line="115"},frame={level="3",addr="0x0804a6bd",func="_ZN11Application12CApplication10ThreadMainEv"},frame={level="4",addr="0x0804a63f",func="_ZN11Application12CApplication17ThreadMain_StaticEPv"},frame={level="5",addr="0x006c2e99",func="start_thread",file="pthread_create.c",fullname="/usr/src/debug/glibc-2.13-13-g943515f/nptl/pthread_create.c",line="301"},frame={level="6",addr="0x00608d2e",func="clone",file="../sysdeps/unix/sysv/linux/i386/clone.S",fullname="/usr/src/debug/glibc-2.13-13-g943515f/sysdeps/unix/sysv/linux/i386/clone.S",line="133"}]

    Translated through c++filt, the mangled function names are (in order of appearance): 

    Lib::ImgProc::CLightBar::DetectEdgesFast(Camera::TImageInfo*), Lib::ImgProc::CLightBar::DetectEdges(Camera::TImageInfo*), Application::CApplication::ThreadMain(), Application::CApplication::ThreadMain_Static(void*)

    .

    Find out where these functions are defined and why those files were compiled without debugging symbols for GDB (GCC flag -ggdb). Then recompile them with debugging symbols to be able to set breakpoints in those files.

    August 13, 2013 at 08:56 #2514
    JordanW
    Participant

    Hi Ket,

    Thanks for your fast reply. These files already have debug symbols. The following makefile options are set:

    Makefile Debug symbols:
    Lib::ImgProc::CLightBar::DetectEdgesFast(Camera::TImageInfo*) :
    $(BINARYDIR)/LightBar.o : ../Lib/ImgProc/Src/LightBar.cpp $(all_make_files) |$(BINARYDIR)
    $(CXX) $(CXXFLAGS) -c $< -o $@ -MD -MF $(@:.o=.dep) Lib::ImgProc::CLightBar::DetectEdges(Camera::TImageInfo*) :
    $(BINARYDIR)/LightBar.o : ../Lib/ImgProc/Src/LightBar.cpp $(all_make_files) |$(BINARYDIR)
    $(CXX) $(CXXFLAGS) -c $< -o $@ -MD -MF $(@:.o=.dep) Application::CApplication::ThreadMain() :
    $(BINARYDIR)/Application.o : ../Application/Src/Application.cpp $(all_make_files) |$(BINARYDIR)
    $(CXX) $(CXXFLAGS) -c $< -o $@ -MD -MF $(@:.o=.dep) Application::CApplication::ThreadMain_Static(void*) :
    $(BINARYDIR)/Application.o : ../Application/Src/Application.cpp $(all_make_files) |$(BINARYDIR)
    $(CXX) $(CXXFLAGS) -c $< -o $@ -MD -MF $(@:.o=.dep) Flags are:
    CFLAGS := -ggdb -ffunction-sections
    DEBUG_CFLAGS := -O0
    RELEASE_CFLAGS := -O3

    CXXFLAGS := $(CFLAGS) -ffunction-sections
    DEBUG_CXXFLAGS := $(DEBUG_CFLAGS)
    RELEASE_CXXFLAGS := $(RELEASE_CFLAGS)

    August 13, 2013 at 23:07 #2516
    ket
    Participant

    Hi,

    The flags look to be set correctly. Firstly, are you building and debugging on different machines or using a cross-compiler?

    Try the following:
    1. Start debugging, pause the debugging or stop at a breakpoint.
    2. Enter into the GDB Session window for each of the function names: 

    info line

    Copy the responses here.
    3. Enter into the GDB Session window: 

    info sources

    Are the source files for these functions listed there?

    If the functions cannot be found or the source files are not listed, then gdb cannot find debugging symbols for these functions/files. Then run objdump for your project executable on the Linux machine to see if the debugging symbols are there (source code lines for the functions). Use the following command, and then look into the result to see whether these functions have symbols: 

    objdump -d -S

    You can also run the same command on individual o files, the symbols should be present in both the o files and the executable.

    August 15, 2013 at 09:33 #2517
    JordanW
    Participant

    Hi ket,

    Yes I’m building and debugging remotely on a different Linux machine.

    GDBSession can’t find a function line, see the message:
    info line int i = mPixel2MM.Initialise(((char *)CPixel2MMap::STR_INI_FILE.c_str()), ((char *)CPixel2MMap::STR_INI_SECTION.c_str()));
    &”info line int i = mPixel2MM.Initialise(((char *)CPixel2MMap::STR_INI_FILE.c_str()), ((char *)CPixel2MMap::STR_INI_SECTION.c_str())); n”
    &”Function “int i = mPixel2MM.Initialise(((char *)CPixel2MMap::STR_INI_FILE.c_str()), ((char *)CPixel2MMap::STR_INI_SECTION.c_str()));” not defined.n”
    Function “int i = mPixel2MM.Initialise(((char *)CPixel2MMap::STR_INI_FILE.c_str()), ((char *)CPixel2MMap::STR_INI_SECTION.c_str()));” not defined.
    -var-create: unable to create variable object

    info sources shows the file of the source function :
    &”info sourcesn”
    Source files for which symbols have been read in:
    /tmp/VisualGDB/Archos/Application/Src/Application.cpp, /tmp/VisualGDB/Archos/ArchosProject/, /tmp/VisualGDB/Archos/Application/Inc/Application.h, /tmp/VisualGDB/Archos/Camera/Inc/Camera.h, /tmp/VisualGDB/Archos/DataStores/Settings/Inc/SettingFile.h, /tmp/VisualGDB/Archos/DataStores/Settings/Inc/SettingGroup.h, /tmp/VisualGDB/Archos/DataStores/LiveValues/Inc/LiveValueGroup.h, /tmp/VisualGDB/Archos/DataStores/Commands/Inc/CommandGroup.h, /usr/include/c++/4.5.1/bits/vector.tcc, /tmp/VisualGDB/Archos/DataStores/LiveValues/Inc/LiveValueType.h, /usr/include/c++/4.5.1/bits/basic_string.tcc, /usr/include/c++/4.5.1/i686-redhat-linux/bits/atomic_word.h, /usr/include/locale.h, /usr/include/c++/4.5.1/bits/char_traits.h, /usr/include/c++/4.5.1/ext/numeric_traits.h, /usr/include/c++/4.5.1/bits/allocator.h, /usr/include/c++/4.5.1/debug/debug.h, /usr/include/c++/4.5.1/ext/new_allocator.h, /usr/include/c++/4.5.1/bits/cpp_type_traits.h, /usr/include/c++/4.5.1/bits/stringfwd.h, /usr/include/c++/4.5.1/bits/stl_vector.h, /usr/include/c++/4.5.1/bits/basic_string.h, /usr/include/c++/4.5.1/clocale, /usr/include/c++/4.5.1/cwchar, /usr/include/c++/4.5.1/cstddef, /tmp/VisualGDB/Archos/Camera/Inc/ImageInfo.h, /usr/lib/gcc/i686-redhat-linux/4.5.1/include/stdarg.h, /usr/include/wchar.h, /usr/include/stdio.h, /usr/include/libio.h, /usr/include/bits/pthreadtypes.h, /usr/include/time.h, /usr/include/bits/types.h, /usr/lib/gcc/i686-redhat-linux/4.5.1/include/stddef.h, /tmp/VisualGDB/Archos/DataStores/Commands/Inc/ICommandObserver.h, /tmp/VisualGDB/Archos/DataStores/Settings/Inc/ISettingGroupObserver.h, /tmp/VisualGDB/Archos/Application/Src/ApplicationFactory.cpp, /tmp/VisualGDB/Archos/Lib/Filters/Inc/histogram.h, /tmp/VisualGDB/Archos/Lib/Filters/Inc/filterfactory.h, /tmp/VisualGDB/Archos/Lib/Filters/Inc/lowpassfilter.h, /tmp/VisualGDB/Archos/Lib/Filters/Inc/filter.h, /tmp/VisualGDB/Archos/Lib/Filters/Inc/cyclebuf.h, /tmp/VisualGDB/Archos/Lib/VmiErr/Inc/vmierr.h, /tmp/VisualGDB/Archos/Application/Inc/ApplicationFactory.h, /tmp/VisualGDB/Archos/Application/WidthMonitor/Inc/Application_WidthMonitor.h, /tmp/VisualGDB/Archos/Application/WidthMonitor/Src/Application_WidthMonitor.cpp, /usr/include/c++/4.5.1/ext/type_traits.h, /usr/include/c++/4.5.1/bits/stl_iterator_base_types.h, /tmp/VisualGDB/Archos/Lib/ImgProc/Inc/pixel2mmap.h, /tmp/VisualGDB/Archos/Lib/ImgProc/Inc/ImgProc.h, /tmp/VisualGDB/Archos/Lib/Filters/Inc/Polynomial.h, /usr/include/c++/4.5.1/bits/stl_algobase.h, /usr/include/c++/4.5.1/bits/stl_uninitialized.h, /usr/include/c++/4.5.1/bits/stl_iterator.h, /tmp/VisualGDB/Archos/Lib/Filters/Inc/stddev.h, /tmp/VisualGDB/Archos/Lib/Filters/Inc/mediaan.h, /usr/include/c++/4.5.1/bits/stl_construct.h, /tmp/VisualGDB/Archos/Lib/Filters/Inc/mediaanstd.h, /tmp/VisualGDB/Archos/Main/main.cpp, /tmp/VisualGDB/Archos/Motion/Inc/Motion.h, /tmp/VisualGDB/Archos/UserInterfaces/ConsoleUI/Inc/ConsoleUI.h
    Source files for which symbols will be read in on demand:
    /usr/include/c++/4.5.1/ext/new_allocator.h, /usr/include/c++/4.5.1/bits/allocator.h, /usr/include/c++/4.5.1/bits/stl_construct.h, /usr/include/c++/4.5.1/bits/stl_vector.h, /tmp/VisualGDB/Archos/UserInterfaces/ConsoleUI/Src/ConsoleUI.cpp, /tmp/VisualGDB/Archos/Motion/Src/MotionFactory.cpp, /tmp/VisualGDB/Archos/DataStores/Settings/Inc/ISettingGroupObserver.h, /tmp/VisualGDB/Archos/Motion/Src/Motion.cpp, /tmp/VisualGDB/Archos/Motion/Linmot/Src/Motion_Linmot.cpp, /tmp/VisualGDB/Archos/Lib/VmiErr/Src/vmierr.cpp, /tmp/VisualGDB/Archos/Lib/VmiErr/Src/datetimewrapper.cpp, /tmp/VisualGDB/Archos/Lib/Timer/Src/timer.cpp, /tmp/VisualGDB/Archos/Lib/Ini/Src/minIni.c, /tmp/VisualGDB/Archos/Lib/Ini/Src/libini.c, /usr/include/c++/4.5.1/bits/stl_algobase.h, /usr/include/c++/4.5.1/bits/stl_uninitialized.h, /usr/include/c++/4.5.1/bits/vector.tcc, /usr/include/c++/4.5.1/bits/stl_iterator.h, /tmp/VisualGDB/Archos/Lib/ImgProc/Src/pixel2mmap.cpp, /tmp/VisualGDB/Archos/Lib/Filters/Inc/minmaxfilter.h, /usr/include/c++/4.5.1/bits/basic_string.h, /tmp/VisualGDB/Archos/Lib/Filters/Inc/cascadefilter.h, /tmp/VisualGDB/Archos/Lib/Filters/Inc/averagefilter.h, /tmp/VisualGDB/Archos/Lib/Filters/Inc/edgefilter.h, /tmp/VisualGDB/Archos/Lib/Filters/Inc/lowpassfilter.h, /tmp/VisualGDB/Archos/Lib/Filters/Inc/mediaan.h, /tmp/VisualGDB/Archos/Lib/Filters/Inc/cyclebuf.h, /tmp/VisualGDB/Archos/Lib/Filters/Inc/filter.h, /tmp/VisualGDB/Archos/Lib/Filters/Inc/filterfactory.h, /usr/include/c++/4.5.1/new, /tmp/VisualGDB/Archos/Lib/ImgProc/Src/LightBar.cpp, /tmp/VisualGDB/Archos/Lib/Filters/Inc/weighedavg.h, /tmp/VisualGDB/Archos/Lib/Filters/Inc/pixelfilter.h, /tmp/VisualGDB/Archos/Lib/Filters/Src/weighedavg.cpp, /tmp/VisualGDB/Archos/Lib/Filters/Src/Polynomial.cpp, /tmp/VisualGDB/Archos/Lib/Filters/Src/pixelfilterfactory.cpp, /tmp/VisualGDB/Archos/Lib/Filters/Src/pixelfilter.cpp, /tmp/VisualGDB/Archos/Lib/Filters/Inc/mediaan_static.h, /tmp/VisualGDB/Archos/Lib/Filters/Src/mediaan_static.cpp, /tmp/VisualGDB/Archos/Lib/Filters/Inc/mediaan5.h, /tmp/VisualGDB/Archos/Lib/Filters/Src/mediaan5.cpp, /tmp/VisualGDB/Archos/Lib/Filters/Src/histogram2D.cpp, /tmp/VisualGDB/Archos/Lib/Filters/Src/histogram.cpp, /tmp/VisualGDB/Archos/Lib/Filters/Src/ClassPID.cpp, /tmp/VisualGDB/Archos/Lib/Filters/Src/ClassLKK.cpp, /tmp/VisualGDB/Archos/Lib/Comm/Cell/Inc/VmiCellWrapper.cpp, /tmp/VisualGDB/Archos/DataStores/Settings/Src/Setting_UInt.cpp, /tmp/VisualGDB/Archos/DataStores/Settings/Src/Setting_String.cpp, /tmp/VisualGDB/Archos/DataStores/Settings/Src/Setting_Int.cpp, /tmp/VisualGDB/Archos/DataStores/Settings/Src/Setting_Float.cpp, /usr/include/c++/4.5.1/bits/char_traits.h, /tmp/VisualGDB/Archos/DataStores/Settings/Src/SettingGroup.cpp, /tmp/VisualGDB/Archos/DataStores/Settings/Src/SettingFile.cpp, /tmp/VisualGDB/Archos/DataStores/Settings/Src/SettingContainer.cpp, /tmp/VisualGDB/Archos/DataStores/Settings/Src/Setting.cpp, /tmp/VisualGDB/Archos/DataStores/LiveValues/Src/LiveValue_String.cpp, /tmp/VisualGDB/Archos/DataStores/LiveValues/Src/LiveValue_Long.cpp, /tmp/VisualGDB/Archos/DataStores/LiveValues/Src/LiveValue_Int.cpp, /tmp/VisualGDB/Archos/DataStores/LiveValues/Src/LiveValue_Hex.cpp, /tmp/VisualGDB/Archos/DataStores/LiveValues/Src/LiveValue_Char.cpp, /tmp/VisualGDB/Archos/DataStores/LiveValues/Src/LiveValueGroup.cpp, /tmp/VisualGDB/Archos/DataStores/LiveValues/Src/LiveValueContainer.cpp, /tmp/VisualGDB/Archos/DataStores/LiveValues/Src/LiveValue.cpp, /tmp/VisualGDB/Archos/DataStores/Commands/Src/CommandGroup.cpp, /tmp/VisualGDB/Archos/DataStores/Commands/Src/CommandContainer.cpp, /tmp/VisualGDB/Archos/DataStores/Commands/Src/Command.cpp, /tmp/VisualGDB/Archos/Camera/Src/CameraFactory.cpp, /tmp/VisualGDB/Archos/Camera/Src/Camera.cpp, /tmp/VisualGDB/Archos/Camera/NET/Src/Camera_NET.cpp, /tmp/VisualGDB/Archos/Lib/Filters/Inc/stddev.h, /tmp/VisualGDB/Archos/Lib/Filters/Inc/mediaanstd.h, /tmp/VisualGDB/Archos/DataStores/Commands/Inc/ICommandObserver.h
    OK

    It looks like the Application_Widtmonitor::Initialise() function can find the symbol to mPixel2MM.Initialise(); function:
    Disassembly of section .text._ZN11Application12WidthMonitor25CApplication_WidthMonitor10InitializeEv:

    00000000 <_zn11application12widthmonitor25capplication_widthmonitor10initializeev>:
    Implementation of Initialize
    @todo implement
    */
    #pragma endregion
    bool CApplication_WidthMonitor::Initialize(void)
    {
    0: 55 push %ebp
    1: 89 e5 mov %esp,%ebp
    3: 53 push %ebx
    4: 83 ec 24 sub $0x24,%esp
    // @TODO calibration
    int i = mPixel2MM.Initialise(((char *)CPixel2MMap::STR_INI_FILE.c_str()), ((char *)CPixel2MMap::STR_INI_SECTION.c_str()));
    7: c7 04 24 00 00 00 00 movl $0x0,(%esp)
    e: e8 fc ff ff ff call f <_ZN11Application12WidthMonitor25CApplication_WidthMonitor10InitializeEv+0xf>
    13: 89 c3 mov %eax,%ebx
    15: c7 04 24 00 00 00 00 movl $0x0,(%esp)
    1c: e8 fc ff ff ff call 1d <_ZN11Application12WidthMonitor25CApplication_WidthMonitor10InitializeEv+0x1d>
    21: 8b 55 08 mov 0x8(%ebp),%edx
    24: 81 c2 38 1c 00 00 add $0x1c38,%edx
    2a: 89 5c 24 08 mov %ebx,0x8(%esp)
    2e: 89 44 24 04 mov %eax,0x4(%esp)
    32: 89 14 24 mov %edx,(%esp)
    35: e8 fc ff ff ff call 36 <_ZN11Application12WidthMonitor25CApplication_WidthMonitor10InitializeEv+0x36>
    3a: 89 45 f4 mov %eax,-0xc(%ebp)

    mCycleStep = STEP0_IDLE;
    3d: 8b 45 08 mov 0x8(%ebp),%eax
    40: c7 80 84 03 00 00 00 movl $0x0,0x384(%eax)
    47: 00 00 00
    //LightBar = new CLightBar();

    return false;
    4a: b8 00 00 00 00 mov $0x0,%eax
    }
    4f: 83 c4 24 add $0x24,%esp
    52: 5b pop %ebx
    53: 5d pop %ebp
    54: c3 ret

    I don’t know where to find the problem, but it seems it cannot find the source of some funtions in a file and other function he can find in the same file. 😮

    August 15, 2013 at 15:49 #2518
    support
    Keymaster

    Hi,

    According to the log you posted, GDB can find the symbols for Application::WidthMonitor::CApplication_WidthMonitor class and cannot find symbols for Lib::ImgProc::CLightBar::DetectEdgesFast(Camera::TImageInfo*).
    Please check whether the Lib::ImgProc::CLightBar::DetectEdgesFast(Camera::TImageInfo*) function (can be also mentioned as _ZN3Lib7ImgProc9CLightBar11DetectEdgesEPN6Camera10TImageInfoE) contains the source code in the disassembly file. If no, please run objdump on the .o file corresponding to the cpp file containing the Lib::ImgProc::CLightBar::DetectEdgesFast(Camera::TImageInfo*) function and see whether the source is displayed when dumping the .o file.

    Please note that when running the “info line” command you should put the function name, not the function calling statement, e.g.:

    info line Lib::ImgProc::CLightBar::DetectEdgesFast

    The “info line” command will display the source line number that corresponds to a given function and can be used to determine whether the source line information is available for the given module.

    August 16, 2013 at 14:20 #2519
    JordanW
    Participant

    Hi,

    I have changed the location of DetectEdgesFast to the Application_WidthMonitor class. I can debug function like ProcessImage(), but i can’t debug DetectEdgesFast() of same class Application_WidthMonitor.
    When I call info line, the gdb session can’t find the function:
    info line DetectEdgesFast
    &”info line DetectEdgesFastn”
    &”Function “DetectEdgesFast” not defined.n”
    Function “DetectEdgesFast” not defined.

    When I search in the objdump of application_withmonitor.o I found the following that looks like he can find the symbol:
    Disassembly of section .text._ZN11Application12WidthMonitor25CApplication_WidthMonitor12ProcessImageEPN6Camera10TImageInfoE:

    00000000 <_zn11application12widthmonitor25capplication_widthmonitor12processimageepn6camera10timageinfoe>:
    Implementation of ProcessImage
    @todo implement
    */
    #pragma endregion
    void CApplication_WidthMonitor::ProcessImage(TImageInfo* apImageInfo)
    {
    0: 55 push %ebp
    1: 89 e5 mov %esp,%ebp
    3: 53 push %ebx
    4: 83 ec 44 sub $0x44,%esp
    DetectEdgesFast(apImageInfo);
    7: 8b 45 0c mov 0xc(%ebp),%eax
    a: 89 44 24 04 mov %eax,0x4(%esp)
    e: 8b 45 08 mov 0x8(%ebp),%eax
    11: 89 04 24 mov %eax,(%esp)
    14: e8 fc ff ff ff call 15 <_ZN11Application12WidthMonitor25CApplication_WidthMonitor12ProcessImageEPN6Camera10TImageInfoE+0x15>

    lftEdgePos = (edgeCount > 1 && edges[0].type == EDGE_TYPE_POS) ? mPixel2MM.Pixel2MM(edges[0].posPX, edges[0].type) : -99999;
    19: 8b 45 08 mov 0x8(%ebp),%eax
    1c: 8b 80 b0 03 00 00 mov 0x3b0(%eax),%eax
    22: 83 f8 01 cmp $0x1,%eax
    25: 76 74 jbe 9b <_ZN11Application12WidthMonitor25CApplication_WidthMonitor12ProcessImageEPN6Camera10TImageInfoE+0x9b>
    27: 8b 45 08 mov 0x8(%ebp),%eax
    2a: 05 a4 03 00 00 add $0x3a4,%eax
    2f: c7 44 24 04 00 00 00 movl $0x0,0x4(%esp)
    36: 00
    37: 89 04 24 mov %eax,(%esp)
    3a: e8 fc ff ff ff call 3b <_ZN11Application12WidthMonitor25CApplication_WidthMonitor12ProcessImageEPN6Camera10TImageInfoE+0x3b>
    3f: 8b 00 mov (%eax),%eax
    41: 85 c0 test %eax,%eax
    43: 75 56 jne 9b <_ZN11Application12WidthMonitor25CApplication_WidthMonitor12ProcessImageEPN6Camera10TImageInfoE+0x9b>
    45: 8b 45 08 mov 0x8(%ebp),%eax
    48: 05 a4 03 00 00 add $0x3a4,%eax
    4d: c7 44 24 04 00 00 00 movl $0x0,0x4(%esp)
    54: 00
    55: 89 04 24 mov %eax,(%esp)
    58: e8 fc ff ff ff call 59 <_ZN11Application12WidthMonitor25CApplication_WidthMonitor12ProcessImageEPN6Camera10TImageInfoE+0x59>
    5d: 8b 18 mov (%eax),%ebx
    5f: 8b 45 08 mov 0x8(%ebp),%eax
    62: 05 a4 03 00 00 add $0x3a4,%eax
    67: c7 44 24 04 00 00 00 movl $0x0,0x4(%esp)
    6e: 00
    6f: 89 04 24 mov %eax,(%esp)
    72: e8 fc ff ff ff call 73 <_ZN11Application12WidthMonitor25CApplication_WidthMonitor12ProcessImageEPN6Camera10TImageInfoE+0x73>
    77: 8b 40 04 mov 0x4(%eax),%eax
    7a: 8b 55 08 mov 0x8(%ebp),%edx
    7d: 81 c2 40 1c 00 00 add $0x1c40,%edx
    83: 89 5c 24 08 mov %ebx,0x8(%esp)
    87: 89 44 24 04 mov %eax,0x4(%esp)
    8b: 89 14 24 mov %edx,(%esp)
    8e: e8 fc ff ff ff call 8f <_ZN11Application12WidthMonitor25CApplication_WidthMonitor12ProcessImageEPN6Camera10TImageInfoE+0x8f>
    93: d9 5d d4 fstps -0x2c(%ebp)
    96: 8b 45 d4 mov -0x2c(%ebp),%eax
    99: eb 05 jmp a0 <_ZN11Application12WidthMonitor25CApplication_WidthMonitor12ProcessImageEPN6Camera10TImageInfoE+0xa0>
    9b: b8 80 4f c3 c7 mov $0xc7c34f80,%eax
    a0: 8b 55 08 mov 0x8(%ebp),%edx
    a3: 89 82 7c 07 00 00 mov %eax,0x77c(%edx)
    rhtEdgePos = (edgeCount > 1 && edgeCount < edges.size() && edges[edgeCount-1].type == EDGE_TYPE_NEG) ? mPixel2MM.Pixel2MM(edges[edgeCount-1].posPX, edges[edgeCount-1].type) : -99999;
    a9: 8b 45 08 mov 0x8(%ebp),%eax
    ac: 8b 80 b0 03 00 00 mov 0x3b0(%eax),%eax
    b2: 83 f8 01 cmp $0x1,%eax
    b5: 0f 86 ae 00 00 00 jbe 169 <_ZN11Application12WidthMonitor25CApplication_WidthMonitor12ProcessImageEPN6Camera10TImageInfoE+0x169>
    bb: 8b 45 08 mov 0x8(%ebp),%eax
    be: 8b 98 b0 03 00 00 mov 0x3b0(%eax),%ebx
    c4: 8b 45 08 mov 0x8(%ebp),%eax
    c7: 05 a4 03 00 00 add $0x3a4,%eax
    cc: 89 04 24 mov %eax,(%esp)
    cf: e8 fc ff ff ff call d0 <_ZN11Application12WidthMonitor25CApplication_WidthMonitor12ProcessImageEPN6Camera10TImageInfoE+0xd0>
    d4: 39 c3 cmp %eax,%ebx
    d6: 0f 83 8d 00 00 00 jae 169 <_ZN11Application12WidthMonitor25CApplication_WidthMonitor12ProcessImageEPN6Camera10TImageInfoE+0x169>
    dc: 8b 45 08 mov 0x8(%ebp),%eax
    df: 8b 80 b0 03 00 00 mov 0x3b0(%eax),%eax
    e5: 8d 50 ff lea -0x1(%eax),%edx
    e8: 8b 45 08 mov 0x8(%ebp),%eax
    eb: 05 a4 03 00 00 add $0x3a4,%eax
    f0: 89 54 24 04 mov %edx,0x4(%esp)
    f4: 89 04 24 mov %eax,(%esp)
    f7: e8 fc ff ff ff call f8 <_ZN11Application12WidthMonitor25CApplication_WidthMonitor12ProcessImageEPN6Camera10TImageInfoE+0xf8>
    fc: 8b 00 mov (%eax),%eax
    fe: 83 f8 01 cmp $0x1,%eax
    101: 75 66 jne 169 <_ZN11Application12WidthMonitor25CApplication_WidthMonitor12ProcessImageEPN6Camera10TImageInfoE+0x169>
    103: 8b 45 08 mov 0x8(%ebp),%eax
    106: 8b 80 b0 03 00 00 mov 0x3b0(%eax),%eax
    10c: 8d 50 ff lea -0x1(%eax),%edx
    10f: 8b 45 08 mov 0x8(%ebp),%eax
    112: 05 a4 03 00 00 add $0x3a4,%eax
    117: 89 54 24 04 mov %edx,0x4(%esp)
    11b: 89 04 24 mov %eax,(%esp)
    11e: e8 fc ff ff ff call 11f <_ZN11Application12WidthMonitor25CApplication_WidthMonitor12ProcessImageEPN6Camera10TImageInfoE+0x11f>
    123: 8b 18 mov (%eax),%ebx
    125: 8b 45 08 mov 0x8(%ebp),%eax
    128: 8b 80 b0 03 00 00 mov 0x3b0(%eax),%eax
    12e: 8d 50 ff lea -0x1(%eax),%edx
    131: 8b 45 08 mov 0x8(%ebp),%eax
    134: 05 a4 03 00 00 add $0x3a4,%eax
    139: 89 54 24 04 mov %edx,0x4(%esp)
    13d: 89 04 24 mov %eax,(%esp)
    140: e8 fc ff ff ff call 141 <_ZN11Application12WidthMonitor25CApplication_WidthMonitor12ProcessImageEPN6Camera10TImageInfoE+0x141>
    145: 8b 40 04 mov 0x4(%eax),%eax
    148: 8b 55 08 mov 0x8(%ebp),%edx
    14b: 81 c2 40 1c 00 00 add $0x1c40,%edx
    151: 89 5c 24 08 mov %ebx,0x8(%esp)
    155: 89 44 24 04 mov %eax,0x4(%esp)
    159: 89 14 24 mov %edx,(%esp)
    15c: e8 fc ff ff ff call 15d <_ZN11Application12WidthMonitor25CApplication_WidthMonitor12ProcessImageEPN6Camera10TImageInfoE+0x15d>
    161: d9 5d d4 fstps -0x2c(%ebp)
    164: 8b 45 d4 mov -0x2c(%ebp),%eax
    167: eb 05 jmp 16e <_ZN11Application12WidthMonitor25CApplication_WidthMonitor12ProcessImageEPN6Camera10TImageInfoE+0x16e>
    169: b8 80 4f c3 c7 mov $0xc7c34f80,%eax
    16e: 8b 55 08 mov 0x8(%ebp),%edx
    171: 89 82 80 07 00 00 mov %eax,0x780(%edx)
    lftEdgeFound = (edgeCount == 2 && edges[0].type == EDGE_TYPE_POS) ? true : false;
    177: 8b 45 08 mov 0x8(%ebp),%eax
    17a: 8b 80 b0 03 00 00 mov 0x3b0(%eax),%eax
    180: 83 f8 02 cmp $0x2,%eax
    183: 75 25 jne 1aa <_ZN11Application12WidthMonitor25CApplication_WidthMonitor12ProcessImageEPN6Camera10TImageInfoE+0x1aa>
    185: 8b 45 08 mov 0x8(%ebp),%eax
    188: 05 a4 03 00 00 add $0x3a4,%eax
    18d: c7 44 24 04 00 00 00 movl $0x0,0x4(%esp)
    194: 00
    195: 89 04 24 mov %eax,(%esp)
    198: e8 fc ff ff ff call 199 <_ZN11Application12WidthMonitor25CApplication_WidthMonitor12ProcessImageEPN6Camera10TImageInfoE+0x199>
    19d: 8b 00 mov (%eax),%eax
    19f: 85 c0 test %eax,%eax
    1a1: 75 07 jne 1aa <_ZN11Application12WidthMonitor25CApplication_WidthMonitor12ProcessImageEPN6Camera10TImageInfoE+0x1aa>
    1a3: b8 01 00 00 00 mov $0x1,%eax
    1a8: eb 05 jmp 1af <_ZN11Application12WidthMonitor25CApplication_WidthMonitor12ProcessImageEPN6Camera10TImageInfoE+0x1af>
    1aa: b8 00 00 00 00 mov $0x0,%eax
    1af: 8b 55 08 mov 0x8(%ebp),%edx
    1b2: 88 82 a4 07 00 00 mov %al,0x7a4(%edx)
    rhtEdgeFound = (edgeCount == 2 && edges[1].type == EDGE_TYPE_NEG) ? true : false;
    1b8: 8b 45 08 mov 0x8(%ebp),%eax
    1bb: 8b 80 b0 03 00 00 mov 0x3b0(%eax),%eax
    1c1: 83 f8 02 cmp $0x2,%eax
    1c4: 75 26 jne 1ec <_ZN11Application12WidthMonitor25CApplication_WidthMonitor12ProcessImageEPN6Camera10TImageInfoE+0x1ec>
    1c6: 8b 45 08 mov 0x8(%ebp),%eax
    1c9: 05 a4 03 00 00 add $0x3a4,%eax
    1ce: c7 44 24 04 01 00 00 movl $0x1,0x4(%esp)
    1d5: 00
    1d6: 89 04 24 mov %eax,(%esp)
    1d9: e8 fc ff ff ff call 1da <_ZN11Application12WidthMonitor25CApplication_WidthMonitor12ProcessImageEPN6Camera10TImageInfoE+0x1da>
    1de: 8b 00 mov (%eax),%eax
    1e0: 83 f8 01 cmp $0x1,%eax
    1e3: 75 07 jne 1ec <_ZN11Application12WidthMonitor25CApplication_WidthMonitor12ProcessImageEPN6Camera10TImageInfoE+0x1ec>
    1e5: b8 01 00 00 00 mov $0x1,%eax
    1ea: eb 05 jmp 1f1 <_ZN11Application12WidthMonitor25CApplication_WidthMonitor12ProcessImageEPN6Camera10TImageInfoE+0x1f1>
    1ec: b8 00 00 00 00 mov $0x0,%eax
    1f1: 8b 55 08 mov 0x8(%ebp),%edx
    1f4: 88 82 a5 07 00 00 mov %al,0x7a5(%edx)
    center_position = (lftEdgeFound && rhtEdgeFound) ? (int)((lftEdgePos + rhtEdgePos) / 2) : -22222;
    1fa: 8b 45 08 mov 0x8(%ebp),%eax
    1fd: 0f b6 80 a4 07 00 00 movzbl 0x7a4(%eax),%eax
    204: 84 c0 test %al,%al
    206: 74 45 je 24d <_ZN11Application12WidthMonitor25CApplication_WidthMonitor12ProcessImageEPN6Camera10TImageInfoE+0x24d>
    208: 8b 45 08 mov 0x8(%ebp),%eax
    20b: 0f b6 80 a5 07 00 00 movzbl 0x7a5(%eax),%eax
    212: 84 c0 test %al,%al
    214: 74 37 je 24d <_ZN11Application12WidthMonitor25CApplication_WidthMonitor12ProcessImageEPN6Camera10TImageInfoE+0x24d>
    216: 8b 45 08 mov 0x8(%ebp),%eax
    219: d9 80 7c 07 00 00 flds 0x77c(%eax)
    21f: 8b 45 08 mov 0x8(%ebp),%eax
    222: d9 80 80 07 00 00 flds 0x780(%eax)
    228: de c1 faddp %st,%st(1)
    22a: d9 05 c8 01 00 00 flds 0x1c8
    230: de f9 fdivrp %st,%st(1)
    232: d9 7d e6 fnstcw -0x1a(%ebp)
    235: 0f b7 45 e6 movzwl -0x1a(%ebp),%eax
    239: b4 0c mov $0xc,%ah
    23b: 66 89 45 e4 mov %ax,-0x1c(%ebp)
    23f: d9 6d e4 fldcw -0x1c(%ebp)
    242: db 5d e0 fistpl -0x20(%ebp)
    245: d9 6d e6 fldcw -0x1a(%ebp)
    248: 8b 45 e0 mov -0x20(%ebp),%eax
    24b: eb 05 jmp 252 <_ZN11Application12WidthMonitor25CApplication_WidthMonitor12ProcessImageEPN6Camera10TImageInfoE+0x252>
    24d: b8 32 a9 ff ff mov $0xffffa932,%eax
    252: 8b 55 08 mov 0x8(%ebp),%edx
    255: 89 82 fc 1d 00 00 mov %eax,0x1dfc(%edx)

    if (center_position == -22222)
    25b: 8b 45 08 mov 0x8(%ebp),%eax
    25e: 8b 80 fc 1d 00 00 mov 0x1dfc(%eax),%eax
    264: 3d 32 a9 ff ff cmp $0xffffa932,%eax
    269: 75 67 jne 2d2 <_ZN11Application12WidthMonitor25CApplication_WidthMonitor12ProcessImageEPN6Camera10TImageInfoE+0x2d2>
    {
    FILE* myfp = fopen(“virt_line.csv”,”w”);
    26b: c7 44 24 04 3c 00 00 movl $0x3c,0x4(%esp)
    272: 00
    273: c7 04 24 3e 00 00 00 movl $0x3e,(%esp)
    27a: e8 fc ff ff ff call 27b <_ZN11Application12WidthMonitor25CApplication_WidthMonitor12ProcessImageEPN6Camera10TImageInfoE+0x27b>
    27f: 89 45 f0 mov %eax,-0x10(%ebp)

    // printf(“vritual_line”);
    for(int i =0; i < apImageInfo->Width; i++)
    282: c7 45 f4 00 00 00 00 movl $0x0,-0xc(%ebp)
    289: eb 2c jmp 2b7 <_ZN11Application12WidthMonitor25CApplication_WidthMonitor12ProcessImageEPN6Camera10TImageInfoE+0x2b7>
    {
    fprintf(myfp, “%dn”,mVirtualLine);
    28b: 8b 45 08 mov 0x8(%ebp),%eax
    28e: 03 45 f4 add -0xc(%ebp),%eax
    291: 05 e0 07 00 00 add $0x7e0,%eax
    296: 0f b6 00 movzbl (%eax),%eax
    299: 0f b6 c0 movzbl %al,%eax
    29c: 89 44 24 08 mov %eax,0x8(%esp)
    2a0: c7 44 24 04 4c 00 00 movl $0x4c,0x4(%esp)
    2a7: 00
    2a8: 8b 45 f0 mov -0x10(%ebp),%eax
    2ab: 89 04 24 mov %eax,(%esp)
    2ae: e8 fc ff ff ff call 2af <_ZN11Application12WidthMonitor25CApplication_WidthMonitor12ProcessImageEPN6Camera10TImageInfoE+0x2af>
    if (center_position == -22222)
    {
    FILE* myfp = fopen(“virt_line.csv”,”w”);

    // printf(“vritual_line”);
    for(int i =0; i < apImageInfo->Width; i++)
    2b3: 83 45 f4 01 addl $0x1,-0xc(%ebp)
    2b7: 8b 45 0c mov 0xc(%ebp),%eax
    2ba: 8b 40 10 mov 0x10(%eax),%eax
    2bd: 3b 45 f4 cmp -0xc(%ebp),%eax
    2c0: 0f 9f c0 setg %al
    2c3: 84 c0 test %al,%al
    2c5: 75 c4 jne 28b <_ZN11Application12WidthMonitor25CApplication_WidthMonitor12ProcessImageEPN6Camera10TImageInfoE+0x28b>
    {
    fprintf(myfp, “%dn”,mVirtualLine    );
    }
    fclose(myfp);
    2c7: 8b 45 f0 mov -0x10(%ebp),%eax
    2ca: 89 04 24 mov %eax,(%esp)
    2cd: e8 fc ff ff ff call 2ce <_ZN11Application12WidthMonitor25CApplication_WidthMonitor12ProcessImageEPN6Camera10TImageInfoE+0x2ce>
    case STEP7_CHECKCALIB:
    //mpCalibration->ProcessImage(imagePtr);
    break;
    }
    */
    }
    2d2: 83 c4 44 add $0x44,%esp
    2d5: 5b pop %ebx
    2d6: 5d pop %ebp
    2d7: c3 ret

    August 16, 2013 at 17:20 #2520
    ket
    Participant

    Hi,

    When using info line, please use the full name including the namespace and class, otherwise the function cannot be found. If you changed the location to the CApplication_WidthMonitor class, then you probably need to use the following command:

    info line Application::WidthMonitor::CApplication_WidthMonitor::DetectEdgesFast

    The objdump you have included shows that there are symbols for the CApplication_WidthMonitor::ProcessImage(TImageInfo* apImageInfo) function, but it does not show the symbols for the DetectEdgesFast function. Having a call to DetectEdgesFast inside another function does not mean that there are symbols for DetectEdgesFast. Please find where the DetectEdgesFast function is defined inside the objdump of the o file.

    August 19, 2013 at 06:36 #2521
    JordanW
    Participant

    Hi Ket,

    Sorry for posting the wrong info. For now the info line works and result in the following:

    info line Application::WidthMonitor::CApplication_WidthMonitor::DetectEdgesFast
    &”info line Application::WidthMonitor::CApplication_WidthMonitor::DetectEdgesFastn”
    No line number information available for address 0x804c190 <_zn11application12widthmonitor25capplication_widthmonitor15detectedgesfastepn6camera10timageinfoe>
    OK

    Here is the DetectEdgesFast function in Application_WidthMonitor.o:

    Disassembly of section .text._ZN11Application12WidthMonitor25CApplication_WidthMonitor15DetectEdgesFastEPN6Camera10TImageInfoE:

    00000000 <_zn11application12widthmonitor25capplication_widthmonitor15detectedgesfastepn6camera10timageinfoe>:

    void CApplication_WidthMonitor::DetectEdgesFast(TImageInfo* image)
    {
    0: 55 push %ebp
    1: 89 e5 mov %esp,%ebp
    3: 53 push %ebx
    4: 81 ec 84 00 00 00 sub $0x84,%esp
    // @ TODO implement Intensityfilter
    if (mpIntensityFilter) { mpIntensityFilter->Initialise(); }
    a: 8b 45 08 mov 0x8(%ebp),%eax
    d: 8b 80 c8 07 00 00 mov 0x7c8(%eax),%eax
    13: 85 c0 test %eax,%eax
    15: 74 1e je 35 <_ZN11Application12WidthMonitor25CApplication_WidthMonitor15DetectEdgesFastEPN6Camera10TImageInfoE+0x35>
    17: 8b 45 08 mov 0x8(%ebp),%eax
    1a: 8b 80 c8 07 00 00 mov 0x7c8(%eax),%eax
    20: 8b 00 mov (%eax),%eax
    22: 83 c0 08 add $0x8,%eax
    25: 8b 10 mov (%eax),%edx
    27: 8b 45 08 mov 0x8(%ebp),%eax
    2a: 8b 80 c8 07 00 00 mov 0x7c8(%eax),%eax
    30: 89 04 24 mov %eax,(%esp)
    33: ff d2 call *%edx
    TImagePtr columPtr;
    int inc;

    if (mLeftsideRight)
    35: 8b 45 08 mov 0x8(%ebp),%eax
    38: 0f b6 80 3c 1c 00 00 movzbl 0x1c3c(%eax),%eax
    3f: 84 c0 test %al,%al
    41: 74 40 je 83 <_ZN11Application12WidthMonitor25CApplication_WidthMonitor15DetectEdgesFastEPN6Camera10TImageInfoE+0x83>
    {
    columPtr = image->Image + ROIOffsetX + image->Width – 1 + ROIOffsetY * image->Pitch;
    43: 8b 45 0c mov 0xc(%ebp),%eax
    46: 8b 10 mov (%eax),%edx
    48: 8b 45 08 mov 0x8(%ebp),%eax
    4b: 8b 80 c4 07 00 00 mov 0x7c4(%eax),%eax
    51: 89 c1 mov %eax,%ecx
    53: 8b 45 0c mov 0xc(%ebp),%eax
    56: 8b 40 10 mov 0x10(%eax),%eax
    59: 8d 1c 01 lea (%ecx,%eax,1),%ebx
    5c: 8b 45 08 mov 0x8(%ebp),%eax
    5f: 8b 88 c0 07 00 00 mov 0x7c0(%eax),%ecx
    65: 8b 45 0c mov 0xc(%ebp),%eax
    68: 8b 40 18 mov 0x18(%eax),%eax
    6b: 0f af c1 imul %ecx,%eax
    6e: 8d 04 03 lea (%ebx,%eax,1),%eax
    71: 83 e8 01 sub $0x1,%eax
    74: 8d 04 02 lea (%edx,%eax,1),%eax
    77: 89 45 f4 mov %eax,-0xc(%ebp)
    inc = -1;
    7a: c7 45 f0 ff ff ff ff movl $0xffffffff,-0x10(%ebp)
    81: eb 32 jmp b5 <_ZN11Application12WidthMonitor25CApplication_WidthMonitor15DetectEdgesFastEPN6Camera10TImageInfoE+0xb5>
    }
    else
    {
    columPtr = image->Image + ROIOffsetX + ROIOffsetY * image->Pitch;
    83: 8b 45 0c mov 0xc(%ebp),%eax
    86: 8b 10 mov (%eax),%edx
    88: 8b 45 08 mov 0x8(%ebp),%eax
    8b: 8b 80 c4 07 00 00 mov 0x7c4(%eax),%eax
    91: 89 c1 mov %eax,%ecx
    93: 8b 45 08 mov 0x8(%ebp),%eax
    96: 8b 98 c0 07 00 00 mov 0x7c0(%eax),%ebx
    9c: 8b 45 0c mov 0xc(%ebp),%eax
    9f: 8b 40 18 mov 0x18(%eax),%eax
    a2: 0f af c3 imul %ebx,%eax
    a5: 8d 04 01 lea (%ecx,%eax,1),%eax
    a8: 8d 04 02 lea (%edx,%eax,1),%eax
    ab: 89 45 f4 mov %eax,-0xc(%ebp)
    inc = 1;
    ae: c7 45 f0 01 00 00 00 movl $0x1,-0x10(%ebp)
    }

    unsigned int delay=mpIntensityFilter==NULL ? 0 : (unsigned int)mpIntensityFilter->Delay();
    b5: 8b 45 08 mov 0x8(%ebp),%eax
    b8: 8b 80 c8 07 00 00 mov 0x7c8(%eax),%eax
    be: 85 c0 test %eax,%eax
    c0: 74 2f je f1 <_ZN11Application12WidthMonitor25CApplication_WidthMonitor15DetectEdgesFastEPN6Camera10TImageInfoE+0xf1>
    c2: 8b 45 08 mov 0x8(%ebp),%eax
    c5: 8b 80 c8 07 00 00 mov 0x7c8(%eax),%eax
    cb: 89 04 24 mov %eax,(%esp)
    ce: e8 fc ff ff ff call cf <_ZN11Application12WidthMonitor25CApplication_WidthMonitor15DetectEdgesFastEPN6Camera10TImageInfoE+0xcf>
    d3: d9 7d b6 fnstcw -0x4a(%ebp)
    d6: 0f b7 45 b6 movzwl -0x4a(%ebp),%eax
    da: b4 0c mov $0xc,%ah
    dc: 66 89 45 b4 mov %ax,-0x4c(%ebp)
    e0: d9 6d b4 fldcw -0x4c(%ebp)
    e3: df 7d a8 fistpll -0x58(%ebp)
    e6: d9 6d b6 fldcw -0x4a(%ebp)
    e9: 8b 45 a8 mov -0x58(%ebp),%eax
    ec: 8b 55 ac mov -0x54(%ebp),%edx
    ef: eb 05 jmp f6 <_ZN11Application12WidthMonitor25CApplication_WidthMonitor15DetectEdgesFastEPN6Camera10TImageInfoE+0xf6>
    f1: b8 00 00 00 00 mov $0x0,%eax
    f6: 89 45 c4 mov %eax,-0x3c(%ebp)
    unsigned char minIntensity = 255;
    f9: c6 45 ef ff movb $0xff,-0x11(%ebp)
    unsigned char maxIntensity = 0;
    fd: c6 45 ee 00 movb $0x0,-0x12(%ebp)

    // @TODO Implement treshold value from ini setting
    //unsigned char threshold = (unsigned char) (float)(pScanSettings->mLimHigh + pScanSettings->mLimLow)/2;
    unsigned char threshold = 50;
    101: c6 45 c3 32 movb $0x32,-0x3d(%ebp)
    TEdgeDetectionState prvState = EDGE_DETECTION_STABLE;
    105: c7 45 e8 00 00 00 00 movl $0x0,-0x18(%ebp)
    unsigned char prvFilteredIntensity = 0;
    10c: c6 45 e7 00 movb $0x0,-0x19(%ebp)

    bool pendingPosEdge = false;
    110: c6 45 e6 00 movb $0x0,-0x1a(%ebp)
    bool pendingNegEdge = false;
    114: c6 45 e5 00 movb $0x0,-0x1b(%ebp)
    unsigned char edge_maximum = 0;
    118: c6 45 e4 00 movb $0x0,-0x1c(%ebp)
    unsigned char edge_minimum = 0;
    11c: c6 45 e3 00 movb $0x0,-0x1d(%ebp)
    unsigned char local_max = 0;
    120: c6 45 e2 00 movb $0x0,-0x1e(%ebp)
    unsigned char local_min = 0;
    124: c6 45 e1 00 movb $0x0,-0x1f(%ebp)

    for (unsigned int i=0; iWidth; i++)
    128: c7 45 dc 00 00 00 00 movl $0x0,-0x24(%ebp)
    12f: e9 0c 03 00 00 jmp 440 <_ZN11Application12WidthMonitor25CApplication_WidthMonitor15DetectEdgesFastEPN6Camera10TImageInfoE+0x440>
    {
    int sum = 0;
    134: c7 45 d8 00 00 00 00 movl $0x0,-0x28(%ebp)
    TImagePtr pixel = columPtr;
    13b: 8b 45 f4 mov -0xc(%ebp),%eax
    13e: 89 45 d4 mov %eax,-0x2c(%ebp)

    if (imageHeight==1)
    141: 8b 45 08 mov 0x8(%ebp),%eax
    144: 8b 80 b0 07 00 00 mov 0x7b0(%eax),%eax
    14a: 83 f8 01 cmp $0x1,%eax
    14d: 75 16 jne 165 <_ZN11Application12WidthMonitor25CApplication_WidthMonitor15DetectEdgesFastEPN6Camera10TImageInfoE+0x165>
    {
    mVirtualLine = *pixel;
    14f: 8b 45 d4 mov -0x2c(%ebp),%eax
    152: 0f b6 00 movzbl (%eax),%eax
    155: 8b 55 08 mov 0x8(%ebp),%edx
    158: 03 55 dc add -0x24(%ebp),%edx
    15b: 81 c2 e0 07 00 00 add $0x7e0,%edx
    161: 88 02 mov %al,(%edx)
    163: eb 5a jmp 1bf <_ZN11Application12WidthMonitor25CApplication_WidthMonitor15DetectEdgesFastEPN6Camera10TImageInfoE+0x1bf>
    }
    else
    {
    for (unsigned int j=0; j 165: c7 45 d0 00 00 00 00 movl $0x0,-0x30(%ebp)
    16c: eb 19 jmp 187 <_ZN11Application12WidthMonitor25CApplication_WidthMonitor15DetectEdgesFastEPN6Camera10TImageInfoE+0x187>
    {
    sum+=*pixel;
    16e: 8b 45 d4 mov -0x2c(%ebp),%eax
    171: 0f b6 00 movzbl (%eax),%eax
    174: 0f b6 c0 movzbl %al,%eax
    177: 01 45 d8 add %eax,-0x28(%ebp)
    pixel+=image->Pitch;
    17a: 8b 45 0c mov 0xc(%ebp),%eax
    17d: 8b 40 18 mov 0x18(%eax),%eax
    180: 01 45 d4 add %eax,-0x2c(%ebp)
    {
    mVirtualLine     = *pixel;
    }
    else
    {
    for (unsigned int j=0; j 183: 83 45 d0 01 addl $0x1,-0x30(%ebp)
    187: 8b 45 08 mov 0x8(%ebp),%eax
    18a: 8b 80 b0 07 00 00 mov 0x7b0(%eax),%eax
    190: 3b 45 d0 cmp -0x30(%ebp),%eax
    193: 0f 97 c0 seta %al
    196: 84 c0 test %al,%al
    198: 75 d4 jne 16e <_ZN11Application12WidthMonitor25CApplication_WidthMonitor15DetectEdgesFastEPN6Camera10TImageInfoE+0x16e>
    {
    sum+=*pixel;
    pixel+=image->Pitch;
    }
    mVirtualLine     = sum / imageHeight;
    19a: 8b 45 08 mov 0x8(%ebp),%eax
    19d: 8b 80 b0 07 00 00 mov 0x7b0(%eax),%eax
    1a3: 89 45 a4 mov %eax,-0x5c(%ebp)
    1a6: 8b 45 d8 mov -0x28(%ebp),%eax
    1a9: 89 c2 mov %eax,%edx
    1ab: c1 fa 1f sar $0x1f,%edx
    1ae: f7 7d a4 idivl -0x5c(%ebp)
    1b1: 8b 55 08 mov 0x8(%ebp),%edx
    1b4: 03 55 dc add -0x24(%ebp),%edx
    1b7: 81 c2 e0 07 00 00 add $0x7e0,%edx
    1bd: 88 02 mov %al,(%edx)
    }
    }
    */

    unsigned char filteredIntensity;
    if (mpIntensityFilter)
    1bf: 8b 45 08 mov 0x8(%ebp),%eax
    1c2: 8b 80 c8 07 00 00 mov 0x7c8(%eax),%eax
    1c8: 85 c0 test %eax,%eax
    1ca: 74 49 je 215 <_ZN11Application12WidthMonitor25CApplication_WidthMonitor15DetectEdgesFastEPN6Camera10TImageInfoE+0x215>
    {
    mpIntensityFilter->Update(mVirtualLine    );
    1cc: 8b 45 08 mov 0x8(%ebp),%eax
    1cf: 8b 80 c8 07 00 00 mov 0x7c8(%eax),%eax
    1d5: 8b 00 mov (%eax),%eax
    1d7: 83 c0 18 add $0x18,%eax
    1da: 8b 08 mov (%eax),%ecx
    1dc: 8b 45 08 mov 0x8(%ebp),%eax
    1df: 03 45 dc add -0x24(%ebp),%eax
    1e2: 05 e0 07 00 00 add $0x7e0,%eax
    1e7: 0f b6 00 movzbl (%eax),%eax
    1ea: 0f b6 d0 movzbl %al,%edx
    1ed: 8b 45 08 mov 0x8(%ebp),%eax
    1f0: 8b 80 c8 07 00 00 mov 0x7c8(%eax),%eax
    1f6: 89 54 24 04 mov %edx,0x4(%esp)
    1fa: 89 04 24 mov %eax,(%esp)
    1fd: ff d1 call *%ecx
    filteredIntensity = mpIntensityFilter->Get();
    1ff: 8b 45 08 mov 0x8(%ebp),%eax
    202: 8b 80 c8 07 00 00 mov 0x7c8(%eax),%eax
    208: 89 04 24 mov %eax,(%esp)
    20b: e8 fc ff ff ff call 20c <_ZN11Application12WidthMonitor25CApplication_WidthMonitor15DetectEdgesFastEPN6Camera10TImageInfoE+0x20c>
    210: 88 45 cf mov %al,-0x31(%ebp)
    213: eb 11 jmp 226 <_ZN11Application12WidthMonitor25CApplication_WidthMonitor15DetectEdgesFastEPN6Camera10TImageInfoE+0x226>
    }
    else
    {
    filteredIntensity = mVirtualLine    ;
    215: 8b 45 08 mov 0x8(%ebp),%eax
    218: 03 45 dc add -0x24(%ebp),%eax
    21b: 05 e0 07 00 00 add $0x7e0,%eax
    220: 0f b6 00 movzbl (%eax),%eax
    223: 88 45 cf mov %al,-0x31(%ebp)
    }
    mFilteredLine     = filteredIntensity;
    226: 8b 45 08 mov 0x8(%ebp),%eax
    229: 8d 90 20 1c 00 00 lea 0x1c20(%eax),%edx
    22f: 8b 45 dc mov -0x24(%ebp),%eax
    232: 89 44 24 04 mov %eax,0x4(%esp)
    236: 89 14 24 mov %edx,(%esp)
    239: e8 fc ff ff ff call 23a <_ZN11Application12WidthMonitor25CApplication_WidthMonitor15DetectEdgesFastEPN6Camera10TImageInfoE+0x23a>
    23e: 0f b6 55 cf movzbl -0x31(%ebp),%edx
    242: 88 10 mov %dl,(%eax)

    if (i==0) { prvFilteredIntensity = filteredIntensity; }
    244: 83 7d dc 00 cmpl $0x0,-0x24(%ebp)
    248: 75 07 jne 251 <_ZN11Application12WidthMonitor25CApplication_WidthMonitor15DetectEdgesFastEPN6Camera10TImageInfoE+0x251>
    24a: 0f b6 45 cf movzbl -0x31(%ebp),%eax
    24e: 88 45 e7 mov %al,-0x19(%ebp)

    if (filteredIntensity < minIntensity) { minIntensity = (unsigned char)filteredIntensity; }
    251: 0f b6 45 cf movzbl -0x31(%ebp),%eax
    255: 3a 45 ef cmp -0x11(%ebp),%al
    258: 73 07 jae 261 <_ZN11Application12WidthMonitor25CApplication_WidthMonitor15DetectEdgesFastEPN6Camera10TImageInfoE+0x261>
    25a: 0f b6 45 cf movzbl -0x31(%ebp),%eax
    25e: 88 45 ef mov %al,-0x11(%ebp)
    if (filteredIntensity > maxIntensity) { maxIntensity = (unsigned char)filteredIntensity; }
    261: 0f b6 45 cf movzbl -0x31(%ebp),%eax
    265: 3a 45 ee cmp -0x12(%ebp),%al
    268: 76 07 jbe 271 <_ZN11Application12WidthMonitor25CApplication_WidthMonitor15DetectEdgesFastEPN6Camera10TImageInfoE+0x271>
    26a: 0f b6 45 cf movzbl -0x31(%ebp),%eax
    26e: 88 45 ee mov %al,-0x12(%ebp)

    TEdgeDetectionState state = EDGE_DETECTION_STABLE;
    271: c7 45 c8 00 00 00 00 movl $0x0,-0x38(%ebp)

    //rising
    if (filteredIntensity-prvFilteredIntensity > 0)
    278: 0f b6 55 cf movzbl -0x31(%ebp),%edx
    27c: 0f b6 45 e7 movzbl -0x19(%ebp),%eax
    280: 89 d1 mov %edx,%ecx
    282: 29 c1 sub %eax,%ecx
    284: 89 c8 mov %ecx,%eax
    286: 85 c0 test %eax,%eax
    288: 7e 5b jle 2e5 <_ZN11Application12WidthMonitor25CApplication_WidthMonitor15DetectEdgesFastEPN6Camera10TImageInfoE+0x2e5>
    {
    state = EDGE_DETECTION_RISING;
    28a: c7 45 c8 01 00 00 00 movl $0x1,-0x38(%ebp)
    local_max = filteredIntensity;
    291: 0f b6 45 cf movzbl -0x31(%ebp),%eax
    295: 88 45 e2 mov %al,-0x1e(%ebp)
    if (prvState != EDGE_DETECTION_RISING)
    298: 83 7d e8 01 cmpl $0x1,-0x18(%ebp)
    29c: 74 47 je 2e5 <_ZN11Application12WidthMonitor25CApplication_WidthMonitor15DetectEdgesFastEPN6Camera10TImageInfoE+0x2e5>
    {
    if (prvState == EDGE_DETECTION_FALLING) { local_min = prvFilteredIntensity; }
    29e: 83 7d e8 02 cmpl $0x2,-0x18(%ebp)
    2a2: 75 07 jne 2ab <_ZN11Application12WidthMonitor25CApplication_WidthMonitor15DetectEdgesFastEPN6Camera10TImageInfoE+0x2ab>
    2a4: 0f b6 45 e7 movzbl -0x19(%ebp),%eax
    2a8: 88 45 e1 mov %al,-0x1f(%ebp)

    if (pendingPosEdge)
    2ab: 80 7d e6 00 cmpb $0x0,-0x1a(%ebp)
    2af: 74 34 je 2e5 <_ZN11Application12WidthMonitor25CApplication_WidthMonitor15DetectEdgesFastEPN6Camera10TImageInfoE+0x2e5>
    {
    //add pos edge
    pendingPosEdge = false;
    2b1: c6 45 e6 00 movb $0x0,-0x1a(%ebp)
    edge_minimum = local_min;
    2b5: 0f b6 45 e1 movzbl -0x1f(%ebp),%eax
    2b9: 88 45 e3 mov %al,-0x1d(%ebp)
    AddPosEdge(i, edge_minimum, edge_maximum, delay);
    2bc: 0f b6 55 e4 movzbl -0x1c(%ebp),%edx
    2c0: 0f b6 45 e3 movzbl -0x1d(%ebp),%eax
    2c4: 8b 4d c4 mov -0x3c(%ebp),%ecx
    2c7: 89 4c 24 10 mov %ecx,0x10(%esp)
    2cb: 89 54 24 0c mov %edx,0xc(%esp)
    2cf: 89 44 24 08 mov %eax,0x8(%esp)
    2d3: 8b 45 dc mov -0x24(%ebp),%eax
    2d6: 89 44 24 04 mov %eax,0x4(%esp)
    2da: 8b 45 08 mov 0x8(%ebp),%eax
    2dd: 89 04 24 mov %eax,(%esp)
    2e0: e8 fc ff ff ff call 2e1 <_ZN11Application12WidthMonitor25CApplication_WidthMonitor15DetectEdgesFastEPN6Camera10TImageInfoE+0x2e1>
    }
    }
    }

    //falling
    if (filteredIntensity-prvFilteredIntensity < 0)
    2e5: 0f b6 55 cf movzbl -0x31(%ebp),%edx
    2e9: 0f b6 45 e7 movzbl -0x19(%ebp),%eax
    2ed: 89 d1 mov %edx,%ecx
    2ef: 29 c1 sub %eax,%ecx
    2f1: 89 c8 mov %ecx,%eax
    2f3: 85 c0 test %eax,%eax
    2f5: 79 5b jns 352 <_ZN11Application12WidthMonitor25CApplication_WidthMonitor15DetectEdgesFastEPN6Camera10TImageInfoE+0x352>
    {
    state = EDGE_DETECTION_FALLING;
    2f7: c7 45 c8 02 00 00 00 movl $0x2,-0x38(%ebp)
    local_min = filteredIntensity;
    2fe: 0f b6 45 cf movzbl -0x31(%ebp),%eax
    302: 88 45 e1 mov %al,-0x1f(%ebp)
    if (prvState != EDGE_DETECTION_FALLING)
    305: 83 7d e8 02 cmpl $0x2,-0x18(%ebp)
    309: 74 47 je 352 <_ZN11Application12WidthMonitor25CApplication_WidthMonitor15DetectEdgesFastEPN6Camera10TImageInfoE+0x352>
    {
    if (prvState == EDGE_DETECTION_RISING) { local_max = prvFilteredIntensity; }
    30b: 83 7d e8 01 cmpl $0x1,-0x18(%ebp)
    30f: 75 07 jne 318 <_ZN11Application12WidthMonitor25CApplication_WidthMonitor15DetectEdgesFastEPN6Camera10TImageInfoE+0x318>
    311: 0f b6 45 e7 movzbl -0x19(%ebp),%eax
    315: 88 45 e2 mov %al,-0x1e(%ebp)

    if (pendingNegEdge)
    318: 80 7d e5 00 cmpb $0x0,-0x1b(%ebp)
    31c: 74 34 je 352 <_ZN11Application12WidthMonitor25CApplication_WidthMonitor15DetectEdgesFastEPN6Camera10TImageInfoE+0x352>
    {
    //add neg edge
    pendingNegEdge = false;
    31e: c6 45 e5 00 movb $0x0,-0x1b(%ebp)
    edge_maximum = local_max;
    322: 0f b6 45 e2 movzbl -0x1e(%ebp),%eax
    326: 88 45 e4 mov %al,-0x1c(%ebp)
    AddNegEdge(i, edge_minimum, edge_maximum, delay);
    329: 0f b6 55 e4 movzbl -0x1c(%ebp),%edx
    32d: 0f b6 45 e3 movzbl -0x1d(%ebp),%eax
    331: 8b 4d c4 mov -0x3c(%ebp),%ecx
    334: 89 4c 24 10 mov %ecx,0x10(%esp)
    338: 89 54 24 0c mov %edx,0xc(%esp)
    33c: 89 44 24 08 mov %eax,0x8(%esp)
    340: 8b 45 dc mov -0x24(%ebp),%eax
    343: 89 44 24 04 mov %eax,0x4(%esp)
    347: 8b 45 08 mov 0x8(%ebp),%eax
    34a: 89 04 24 mov %eax,(%esp)
    34d: e8 fc ff ff ff call 34e <_ZN11Application12WidthMonitor25CApplication_WidthMonitor15DetectEdgesFastEPN6Camera10TImageInfoE+0x34e>
    }
    }
    }

    //nor falling, nor rising
    if (filteredIntensity-prvFilteredIntensity == 0)
    352: 0f b6 45 cf movzbl -0x31(%ebp),%eax
    356: 3a 45 e7 cmp -0x19(%ebp),%al
    359: 0f 85 8e 00 00 00 jne 3ed <_ZN11Application12WidthMonitor25CApplication_WidthMonitor15DetectEdgesFastEPN6Camera10TImageInfoE+0x3ed>
    {
    //check for pending edges

    //negative edge:
    if (prvState != EDGE_DETECTION_FALLING) { local_max = prvFilteredIntensity; }
    35f: 83 7d e8 02 cmpl $0x2,-0x18(%ebp)
    363: 74 07 je 36c <_ZN11Application12WidthMonitor25CApplication_WidthMonitor15DetectEdgesFastEPN6Camera10TImageInfoE+0x36c>
    365: 0f b6 45 e7 movzbl -0x19(%ebp),%eax
    369: 88 45 e2 mov %al,-0x1e(%ebp)

    if (pendingNegEdge)
    36c: 80 7d e5 00 cmpb $0x0,-0x1b(%ebp)
    370: 74 34 je 3a6 <_ZN11Application12WidthMonitor25CApplication_WidthMonitor15DetectEdgesFastEPN6Camera10TImageInfoE+0x3a6>
    {
    //add neg edge
    pendingNegEdge = false;
    372: c6 45 e5 00 movb $0x0,-0x1b(%ebp)
    edge_maximum = local_max;
    376: 0f b6 45 e2 movzbl -0x1e(%ebp),%eax
    37a: 88 45 e4 mov %al,-0x1c(%ebp)
    AddNegEdge(i, edge_minimum, edge_maximum, delay);
    37d: 0f b6 55 e4 movzbl -0x1c(%ebp),%edx
    381: 0f b6 45 e3 movzbl -0x1d(%ebp),%eax
    385: 8b 4d c4 mov -0x3c(%ebp),%ecx
    388: 89 4c 24 10 mov %ecx,0x10(%esp)
    38c: 89 54 24 0c mov %edx,0xc(%esp)
    390: 89 44 24 08 mov %eax,0x8(%esp)
    394: 8b 45 dc mov -0x24(%ebp),%eax
    397: 89 44 24 04 mov %eax,0x4(%esp)
    39b: 8b 45 08 mov 0x8(%ebp),%eax
    39e: 89 04 24 mov %eax,(%esp)
    3a1: e8 fc ff ff ff call 3a2 <_ZN11Application12WidthMonitor25CApplication_WidthMonitor15DetectEdgesFastEPN6Camera10TImageInfoE+0x3a2>
    }

    //positive edge
    if (prvState != EDGE_DETECTION_RISING) { local_min = prvFilteredIntensity; }
    3a6: 83 7d e8 01 cmpl $0x1,-0x18(%ebp)
    3aa: 74 07 je 3b3 <_ZN11Application12WidthMonitor25CApplication_WidthMonitor15DetectEdgesFastEPN6Camera10TImageInfoE+0x3b3>
    3ac: 0f b6 45 e7 movzbl -0x19(%ebp),%eax
    3b0: 88 45 e1 mov %al,-0x1f(%ebp)

    if (pendingPosEdge)
    3b3: 80 7d e6 00 cmpb $0x0,-0x1a(%ebp)
    3b7: 74 34 je 3ed <_ZN11Application12WidthMonitor25CApplication_WidthMonitor15DetectEdgesFastEPN6Camera10TImageInfoE+0x3ed>
    {
    //add pos edge
    pendingPosEdge = false;
    3b9: c6 45 e6 00 movb $0x0,-0x1a(%ebp)
    edge_minimum = local_min;
    3bd: 0f b6 45 e1 movzbl -0x1f(%ebp),%eax
    3c1: 88 45 e3 mov %al,-0x1d(%ebp)
    AddPosEdge(i, edge_minimum, edge_maximum, delay);
    3c4: 0f b6 55 e4 movzbl -0x1c(%ebp),%edx
    3c8: 0f b6 45 e3 movzbl -0x1d(%ebp),%eax
    3cc: 8b 4d c4 mov -0x3c(%ebp),%ecx
    3cf: 89 4c 24 10 mov %ecx,0x10(%esp)
    3d3: 89 54 24 0c mov %edx,0xc(%esp)
    3d7: 89 44 24 08 mov %eax,0x8(%esp)
    3db: 8b 45 dc mov -0x24(%ebp),%eax
    3de: 89 44 24 04 mov %eax,0x4(%esp)
    3e2: 8b 45 08 mov 0x8(%ebp),%eax
    3e5: 89 04 24 mov %eax,(%esp)
    3e8: e8 fc ff ff ff call 3e9 <_ZN11Application12WidthMonitor25CApplication_WidthMonitor15DetectEdgesFastEPN6Camera10TImageInfoE+0x3e9>
    }
    }

    if (filteredIntensity > threshold && prvFilteredIntensity <= threshold )
    3ed: 0f b6 45 cf movzbl -0x31(%ebp),%eax
    3f1: 3a 45 c3 cmp -0x3d(%ebp),%al
    3f4: 76 16 jbe 40c <_ZN11Application12WidthMonitor25CApplication_WidthMonitor15DetectEdgesFastEPN6Camera10TImageInfoE+0x40c>
    3f6: 0f b6 45 e7 movzbl -0x19(%ebp),%eax
    3fa: 3a 45 c3 cmp -0x3d(%ebp),%al
    3fd: 77 0d ja 40c <_ZN11Application12WidthMonitor25CApplication_WidthMonitor15DetectEdgesFastEPN6Camera10TImageInfoE+0x40c>
    {
    pendingNegEdge = true;
    3ff: c6 45 e5 01 movb $0x1,-0x1b(%ebp)
    edge_minimum = local_min;
    403: 0f b6 45 e1 movzbl -0x1f(%ebp),%eax
    407: 88 45 e3 mov %al,-0x1d(%ebp)
    40a: eb 1d jmp 429 <_ZN11Application12WidthMonitor25CApplication_WidthMonitor15DetectEdgesFastEPN6Camera10TImageInfoE+0x429>
    }
    else if (filteredIntensity < threshold && prvFilteredIntensity >= threshold )
    40c: 0f b6 45 cf movzbl -0x31(%ebp),%eax
    410: 3a 45 c3 cmp -0x3d(%ebp),%al
    413: 73 14 jae 429 <_ZN11Application12WidthMonitor25CApplication_WidthMonitor15DetectEdgesFastEPN6Camera10TImageInfoE+0x429>
    415: 0f b6 45 e7 movzbl -0x19(%ebp),%eax
    419: 3a 45 c3 cmp -0x3d(%ebp),%al
    41c: 72 0b jb 429 <_ZN11Application12WidthMonitor25CApplication_WidthMonitor15DetectEdgesFastEPN6Camera10TImageInfoE+0x429>
    {
    pendingPosEdge = true;
    41e: c6 45 e6 01 movb $0x1,-0x1a(%ebp)
    edge_maximum = local_max;
    422: 0f b6 45 e2 movzbl -0x1e(%ebp),%eax
    426: 88 45 e4 mov %al,-0x1c(%ebp)
    }

    prvState = state;
    429: 8b 45 c8 mov -0x38(%ebp),%eax
    42c: 89 45 e8 mov %eax,-0x18(%ebp)
    prvFilteredIntensity = filteredIntensity;
    42f: 0f b6 45 cf movzbl -0x31(%ebp),%eax
    433: 88 45 e7 mov %al,-0x19(%ebp)
    columPtr += inc;
    436: 8b 45 f0 mov -0x10(%ebp),%eax
    439: 01 45 f4 add %eax,-0xc(%ebp)
    unsigned char edge_maximum = 0;
    unsigned char edge_minimum = 0;
    unsigned char local_max = 0;
    unsigned char local_min = 0;

    for (unsigned int i=0; iWidth; i++)
    43c: 83 45 dc 01 addl $0x1,-0x24(%ebp)
    440: 8b 45 0c mov 0xc(%ebp),%eax
    443: 8b 40 10 mov 0x10(%eax),%eax
    446: 3b 45 dc cmp -0x24(%ebp),%eax
    449: 0f 97 c0 seta %al
    44c: 84 c0 test %al,%al
    44e: 0f 85 e0 fc ff ff jne 134 <_ZN11Application12WidthMonitor25CApplication_WidthMonitor15DetectEdgesFastEPN6Camera10TImageInfoE+0x134>
    prvState = state;
    prvFilteredIntensity = filteredIntensity;
    columPtr += inc;
    }

    diagMinPixelVal = minIntensity;
    454: 0f b6 55 ef movzbl -0x11(%ebp),%edx
    458: 8b 45 08 mov 0x8(%ebp),%eax
    45b: 89 90 d8 07 00 00 mov %edx,0x7d8(%eax)
    diagMaxPixelVal = maxIntensity;
    461: 0f b6 55 ee movzbl -0x12(%ebp),%edx
    465: 8b 45 08 mov 0x8(%ebp),%eax
    468: 89 90 dc 07 00 00 mov %edx,0x7dc(%eax)
    }
    46e: 81 c4 84 00 00 00 add $0x84,%esp
    474: 5b pop %ebx
    475: 5d pop %ebp
    476: c3 ret

    August 19, 2013 at 16:13 #2522
    ket
    Participant

    Hi,

    Based on the info line command, gdb cannot find the function source file. However, based on the o file, the symbols of the function are there. Now run the objdump command on your executable, not the o file, look if symbols for CApplication_WidthMonitor::DetectEdgesFast are present:

    objdump -d -S

    If yes, this could be a GDB bug. If no, the symbols are discarded during your build process and analyzing the exact commands ran to build the executable from the .o files should provide enough clues.

    August 20, 2013 at 08:06 #2523
    JordanW
    Participant

    Hi Ket,

    Yes I found the following in the binary executable:

    0804c1e0 <_zn11application12widthmonitor25capplication_widthmonitor15detectedgesfastepn6camera10timageinfoe>:

    void CApplication_WidthMonitor::DetectEdgesFast(TImageInfo* image)
    {
    804c1e0: 55 push %ebp
    804c1e1: 89 e5 mov %esp,%ebp
    804c1e3: 53 push %ebx
    804c1e4: 81 ec 84 00 00 00 sub $0x84,%esp
    // @ TODO implement Intensityfilter
    if (mpIntensityFilter) { mpIntensityFilter->Initialise(); }
    804c1ea: 8b 45 08 mov 0x8(%ebp),%eax
    804c1ed: 8b 80 c8 07 00 00 mov 0x7c8(%eax),%eax
    804c1f3: 85 c0 test %eax,%eax
    804c1f5: 74 1e je 804c215 <_ZN11Application12WidthMonitor25CApplication_WidthMonitor15DetectEdgesFastEPN6Camera10TImageInfoE+0x35>
    804c1f7: 8b 45 08 mov 0x8(%ebp),%eax
    804c1fa: 8b 80 c8 07 00 00 mov 0x7c8(%eax),%eax
    804c200: 8b 00 mov (%eax),%eax
    804c202: 83 c0 08 add $0x8,%eax
    804c205: 8b 10 mov (%eax),%edx
    804c207: 8b 45 08 mov 0x8(%ebp),%eax
    804c20a: 8b 80 c8 07 00 00 mov 0x7c8(%eax),%eax
    804c210: 89 04 24 mov %eax,(%esp)
    804c213: ff d2 call *%edx
    TImagePtr columPtr;
    int inc;

    if (mLeftsideRight)
    804c215: 8b 45 08 mov 0x8(%ebp),%eax
    804c218: 0f b6 80 3c 1c 00 00 movzbl 0x1c3c(%eax),%eax
    804c21f: 84 c0 test %al,%al
    804c221: 74 40 je 804c263 <_ZN11Application12WidthMonitor25CApplication_WidthMonitor15DetectEdgesFastEPN6Camera10TImageInfoE+0x83>
    {
    columPtr = image->Image + ROIOffsetX + image->Width – 1 + ROIOffsetY * image->Pitch;
    804c223: 8b 45 0c mov 0xc(%ebp),%eax
    804c226: 8b 10 mov (%eax),%edx
    804c228: 8b 45 08 mov 0x8(%ebp),%eax
    804c22b: 8b 80 c4 07 00 00 mov 0x7c4(%eax),%eax
    804c231: 89 c1 mov %eax,%ecx
    804c233: 8b 45 0c mov 0xc(%ebp),%eax
    804c236: 8b 40 10 mov 0x10(%eax),%eax
    804c239: 8d 1c 01 lea (%ecx,%eax,1),%ebx
    804c23c: 8b 45 08 mov 0x8(%ebp),%eax
    804c23f: 8b 88 c0 07 00 00 mov 0x7c0(%eax),%ecx
    804c245: 8b 45 0c mov 0xc(%ebp),%eax
    804c248: 8b 40 18 mov 0x18(%eax),%eax
    804c24b: 0f af c1 imul %ecx,%eax
    804c24e: 8d 04 03 lea (%ebx,%eax,1),%eax
    804c251: 83 e8 01 sub $0x1,%eax
    804c254: 8d 04 02 lea (%edx,%eax,1),%eax
    804c257: 89 45 f4 mov %eax,-0xc(%ebp)
    inc = -1;
    804c25a: c7 45 f0 ff ff ff ff movl $0xffffffff,-0x10(%ebp)
    804c261: eb 32 jmp 804c295 <_ZN11Application12WidthMonitor25CApplication_WidthMonitor15DetectEdgesFastEPN6Camera10TImageInfoE+0xb5>
    }
    else
    {
    columPtr = image->Image + ROIOffsetX + ROIOffsetY * image->Pitch;
    804c263: 8b 45 0c mov 0xc(%ebp),%eax
    804c266: 8b 10 mov (%eax),%edx
    804c268: 8b 45 08 mov 0x8(%ebp),%eax
    804c26b: 8b 80 c4 07 00 00 mov 0x7c4(%eax),%eax
    804c271: 89 c1 mov %eax,%ecx
    804c273: 8b 45 08 mov 0x8(%ebp),%eax
    804c276: 8b 98 c0 07 00 00 mov 0x7c0(%eax),%ebx
    804c27c: 8b 45 0c mov 0xc(%ebp),%eax
    804c27f: 8b 40 18 mov 0x18(%eax),%eax
    804c282: 0f af c3 imul %ebx,%eax
    804c285: 8d 04 01 lea (%ecx,%eax,1),%eax
    804c288: 8d 04 02 lea (%edx,%eax,1),%eax
    804c28b: 89 45 f4 mov %eax,-0xc(%ebp)
    inc = 1;
    804c28e: c7 45 f0 01 00 00 00 movl $0x1,-0x10(%ebp)
    }

    unsigned int delay=mpIntensityFilter==NULL ? 0 : (unsigned int)mpIntensityFilter->Delay();
    804c295: 8b 45 08 mov 0x8(%ebp),%eax
    804c298: 8b 80 c8 07 00 00 mov 0x7c8(%eax),%eax
    804c29e: 85 c0 test %eax,%eax
    804c2a0: 74 2f je 804c2d1 <_ZN11Application12WidthMonitor25CApplication_WidthMonitor15DetectEdgesFastEPN6Camera10TImageInfoE+0xf1>
    804c2a2: 8b 45 08 mov 0x8(%ebp),%eax
    804c2a5: 8b 80 c8 07 00 00 mov 0x7c8(%eax),%eax
    804c2ab: 89 04 24 mov %eax,(%esp)
    804c2ae: e8 f5 07 00 00 call 804caa8 <_zn7cfilterihe5delayev>
    804c2b3: d9 7d b6 fnstcw -0x4a(%ebp)
    804c2b6: 0f b7 45 b6 movzwl -0x4a(%ebp),%eax
    804c2ba: b4 0c mov $0xc,%ah
    804c2bc: 66 89 45 b4 mov %ax,-0x4c(%ebp)
    804c2c0: d9 6d b4 fldcw -0x4c(%ebp)
    804c2c3: df 7d a8 fistpll -0x58(%ebp)
    804c2c6: d9 6d b6 fldcw -0x4a(%ebp)
    804c2c9: 8b 45 a8 mov -0x58(%ebp),%eax
    804c2cc: 8b 55 ac mov -0x54(%ebp),%edx
    804c2cf: eb 05 jmp 804c2d6 <_ZN11Application12WidthMonitor25CApplication_WidthMonitor15DetectEdgesFastEPN6Camera10TImageInfoE+0xf6>
    804c2d1: b8 00 00 00 00 mov $0x0,%eax
    804c2d6: 89 45 c4 mov %eax,-0x3c(%ebp)
    unsigned char minIntensity = 255;
    804c2d9: c6 45 ef ff movb $0xff,-0x11(%ebp)
    unsigned char maxIntensity = 0;
    804c2dd: c6 45 ee 00 movb $0x0,-0x12(%ebp)

    // @TODO Implement treshold value from ini setting
    //unsigned char threshold = (unsigned char) (float)(pScanSettings->mLimHigh + pScanSettings->mLimLow)/2;
    unsigned char threshold = 50;
    804c2e1: c6 45 c3 32 movb $0x32,-0x3d(%ebp)
    TEdgeDetectionState prvState = EDGE_DETECTION_STABLE;
    804c2e5: c7 45 e8 00 00 00 00 movl $0x0,-0x18(%ebp)
    unsigned char prvFilteredIntensity = 0;
    804c2ec: c6 45 e7 00 movb $0x0,-0x19(%ebp)

    bool pendingPosEdge = false;
    804c2f0: c6 45 e6 00 movb $0x0,-0x1a(%ebp)
    bool pendingNegEdge = false;
    804c2f4: c6 45 e5 00 movb $0x0,-0x1b(%ebp)
    unsigned char edge_maximum = 0;
    804c2f8: c6 45 e4 00 movb $0x0,-0x1c(%ebp)
    unsigned char edge_minimum = 0;
    804c2fc: c6 45 e3 00 movb $0x0,-0x1d(%ebp)
    unsigned char local_max = 0;
    804c300: c6 45 e2 00 movb $0x0,-0x1e(%ebp)
    unsigned char local_min = 0;
    804c304: c6 45 e1 00 movb $0x0,-0x1f(%ebp)

    for (unsigned int i=0; iWidth; i++)
    804c308: c7 45 dc 00 00 00 00 movl $0x0,-0x24(%ebp)
    804c30f: e9 0c 03 00 00 jmp 804c620 <_ZN11Application12WidthMonitor25CApplication_WidthMonitor15DetectEdgesFastEPN6Camera10TImageInfoE+0x440>
    {
    int sum = 0;
    804c314: c7 45 d8 00 00 00 00 movl $0x0,-0x28(%ebp)
    TImagePtr pixel = columPtr;
    804c31b: 8b 45 f4 mov -0xc(%ebp),%eax
    804c31e: 89 45 d4 mov %eax,-0x2c(%ebp)

    if (imageHeight==1)
    804c321: 8b 45 08 mov 0x8(%ebp),%eax
    804c324: 8b 80 b0 07 00 00 mov 0x7b0(%eax),%eax
    804c32a: 83 f8 01 cmp $0x1,%eax
    804c32d: 75 16 jne 804c345 <_ZN11Application12WidthMonitor25CApplication_WidthMonitor15DetectEdgesFastEPN6Camera10TImageInfoE+0x165>
    {
    mVirtualLine = *pixel;
    804c32f: 8b 45 d4 mov -0x2c(%ebp),%eax
    804c332: 0f b6 00 movzbl (%eax),%eax
    804c335: 8b 55 08 mov 0x8(%ebp),%edx
    804c338: 03 55 dc add -0x24(%ebp),%edx
    804c33b: 81 c2 e0 07 00 00 add $0x7e0,%edx
    804c341: 88 02 mov %al,(%edx)
    804c343: eb 5a jmp 804c39f <_ZN11Application12WidthMonitor25CApplication_WidthMonitor15DetectEdgesFastEPN6Camera10TImageInfoE+0x1bf>
    }
    else
    {
    for (unsigned int j=0; j 804c345: c7 45 d0 00 00 00 00 movl $0x0,-0x30(%ebp)
    804c34c: eb 19 jmp 804c367 <_ZN11Application12WidthMonitor25CApplication_WidthMonitor15DetectEdgesFastEPN6Camera10TImageInfoE+0x187>
    {
    sum+=*pixel;
    804c34e: 8b 45 d4 mov -0x2c(%ebp),%eax
    804c351: 0f b6 00 movzbl (%eax),%eax
    804c354: 0f b6 c0 movzbl %al,%eax
    804c357: 01 45 d8 add %eax,-0x28(%ebp)
    pixel+=image->Pitch;
    804c35a: 8b 45 0c mov 0xc(%ebp),%eax
    804c35d: 8b 40 18 mov 0x18(%eax),%eax
    804c360: 01 45 d4 add %eax,-0x2c(%ebp)
    {
    mVirtualLine     = *pixel;
    }
    else
    {
    for (unsigned int j=0; j 804c363: 83 45 d0 01 addl $0x1,-0x30(%ebp)
    804c367: 8b 45 08 mov 0x8(%ebp),%eax
    804c36a: 8b 80 b0 07 00 00 mov 0x7b0(%eax),%eax
    804c370: 3b 45 d0 cmp -0x30(%ebp),%eax
    804c373: 0f 97 c0 seta %al
    804c376: 84 c0 test %al,%al
    804c378: 75 d4 jne 804c34e <_ZN11Application12WidthMonitor25CApplication_WidthMonitor15DetectEdgesFastEPN6Camera10TImageInfoE+0x16e>
    {
    sum+=*pixel;
    pixel+=image->Pitch;
    }
    mVirtualLine     = sum / imageHeight;
    804c37a: 8b 45 08 mov 0x8(%ebp),%eax
    804c37d: 8b 80 b0 07 00 00 mov 0x7b0(%eax),%eax
    804c383: 89 45 a4 mov %eax,-0x5c(%ebp)
    804c386: 8b 45 d8 mov -0x28(%ebp),%eax
    804c389: 89 c2 mov %eax,%edx
    804c38b: c1 fa 1f sar $0x1f,%edx
    804c38e: f7 7d a4 idivl -0x5c(%ebp)
    804c391: 8b 55 08 mov 0x8(%ebp),%edx
    804c394: 03 55 dc add -0x24(%ebp),%edx
    804c397: 81 c2 e0 07 00 00 add $0x7e0,%edx
    804c39d: 88 02 mov %al,(%edx)
    }
    }
    */

    unsigned char filteredIntensity;
    if (mpIntensityFilter)
    804c39f: 8b 45 08 mov 0x8(%ebp),%eax
    804c3a2: 8b 80 c8 07 00 00 mov 0x7c8(%eax),%eax
    804c3a8: 85 c0 test %eax,%eax
    804c3aa: 74 49 je 804c3f5 <_ZN11Application12WidthMonitor25CApplication_WidthMonitor15DetectEdgesFastEPN6Camera10TImageInfoE+0x215>
    {
    mpIntensityFilter->Update(mVirtualLine    );
    804c3ac: 8b 45 08 mov 0x8(%ebp),%eax
    804c3af: 8b 80 c8 07 00 00 mov 0x7c8(%eax),%eax
    804c3b5: 8b 00 mov (%eax),%eax
    804c3b7: 83 c0 18 add $0x18,%eax
    804c3ba: 8b 08 mov (%eax),%ecx
    804c3bc: 8b 45 08 mov 0x8(%ebp),%eax
    804c3bf: 03 45 dc add -0x24(%ebp),%eax
    804c3c2: 05 e0 07 00 00 add $0x7e0,%eax
    804c3c7: 0f b6 00 movzbl (%eax),%eax
    804c3ca: 0f b6 d0 movzbl %al,%edx
    804c3cd: 8b 45 08 mov 0x8(%ebp),%eax
    804c3d0: 8b 80 c8 07 00 00 mov 0x7c8(%eax),%eax
    804c3d6: 89 54 24 04 mov %edx,0x4(%esp)
    804c3da: 89 04 24 mov %eax,(%esp)
    804c3dd: ff d1 call *%ecx
    filteredIntensity = mpIntensityFilter->Get();
    804c3df: 8b 45 08 mov 0x8(%ebp),%eax
    804c3e2: 8b 80 c8 07 00 00 mov 0x7c8(%eax),%eax
    804c3e8: 89 04 24 mov %eax,(%esp)
    804c3eb: e8 cc 06 00 00 call 804cabc <_zn7cfilterihe3getev>
    804c3f0: 88 45 cf mov %al,-0x31(%ebp)
    804c3f3: eb 11 jmp 804c406 <_ZN11Application12WidthMonitor25CApplication_WidthMonitor15DetectEdgesFastEPN6Camera10TImageInfoE+0x226>
    }
    else
    {
    filteredIntensity = mVirtualLine;
    804c3f5: 8b 45 08 mov 0x8(%ebp),%eax
    804c3f8: 03 45 dc add -0x24(%ebp),%eax
    804c3fb: 05 e0 07 00 00 add $0x7e0,%eax
    804c400: 0f b6 00 movzbl (%eax),%eax
    804c403: 88 45 cf mov %al,-0x31(%ebp)
    }
    mFilteredLine     = filteredIntensity;
    804c406: 8b 45 08 mov 0x8(%ebp),%eax
    804c409: 8d 90 20 1c 00 00 lea 0x1c20(%eax),%edx
    804c40f: 8b 45 dc mov -0x24(%ebp),%eax
    804c412: 89 44 24 04 mov %eax,0x4(%esp)
    804c416: 89 14 24 mov %edx,(%esp)
    804c419: e8 aa 06 00 00 call 804cac8 <_znst6vectorihsaiheeixej>
    804c41e: 0f b6 55 cf movzbl -0x31(%ebp),%edx
    804c422: 88 10 mov %dl,(%eax)

    if (i==0) { prvFilteredIntensity = filteredIntensity; }
    804c424: 83 7d dc 00 cmpl $0x0,-0x24(%ebp)
    804c428: 75 07 jne 804c431 <_ZN11Application12WidthMonitor25CApplication_WidthMonitor15DetectEdgesFastEPN6Camera10TImageInfoE+0x251>
    804c42a: 0f b6 45 cf movzbl -0x31(%ebp),%eax
    804c42e: 88 45 e7 mov %al,-0x19(%ebp)

    if (filteredIntensity < minIntensity) { minIntensity = (unsigned char)filteredIntensity; }
    804c431: 0f b6 45 cf movzbl -0x31(%ebp),%eax
    804c435: 3a 45 ef cmp -0x11(%ebp),%al
    804c438: 73 07 jae 804c441 <_ZN11Application12WidthMonitor25CApplication_WidthMonitor15DetectEdgesFastEPN6Camera10TImageInfoE+0x261>
    804c43a: 0f b6 45 cf movzbl -0x31(%ebp),%eax
    804c43e: 88 45 ef mov %al,-0x11(%ebp)
    if (filteredIntensity > maxIntensity) { maxIntensity = (unsigned char)filteredIntensity; }
    804c441: 0f b6 45 cf movzbl -0x31(%ebp),%eax
    804c445: 3a 45 ee cmp -0x12(%ebp),%al
    804c448: 76 07 jbe 804c451 <_ZN11Application12WidthMonitor25CApplication_WidthMonitor15DetectEdgesFastEPN6Camera10TImageInfoE+0x271>
    804c44a: 0f b6 45 cf movzbl -0x31(%ebp),%eax
    804c44e: 88 45 ee mov %al,-0x12(%ebp)

    TEdgeDetectionState state = EDGE_DETECTION_STABLE;
    804c451: c7 45 c8 00 00 00 00 movl $0x0,-0x38(%ebp)

    //rising
    if (filteredIntensity-prvFilteredIntensity > 0)
    804c458: 0f b6 55 cf movzbl -0x31(%ebp),%edx
    804c45c: 0f b6 45 e7 movzbl -0x19(%ebp),%eax
    804c460: 89 d1 mov %edx,%ecx
    804c462: 29 c1 sub %eax,%ecx
    804c464: 89 c8 mov %ecx,%eax
    804c466: 85 c0 test %eax,%eax
    804c468: 7e 5b jle 804c4c5 <_ZN11Application12WidthMonitor25CApplication_WidthMonitor15DetectEdgesFastEPN6Camera10TImageInfoE+0x2e5>
    {
    state = EDGE_DETECTION_RISING;
    804c46a: c7 45 c8 01 00 00 00 movl $0x1,-0x38(%ebp)
    local_max = filteredIntensity;
    804c471: 0f b6 45 cf movzbl -0x31(%ebp),%eax
    804c475: 88 45 e2 mov %al,-0x1e(%ebp)
    if (prvState != EDGE_DETECTION_RISING)
    804c478: 83 7d e8 01 cmpl $0x1,-0x18(%ebp)
    804c47c: 74 47 je 804c4c5 <_ZN11Application12WidthMonitor25CApplication_WidthMonitor15DetectEdgesFastEPN6Camera10TImageInfoE+0x2e5>
    {
    if (prvState == EDGE_DETECTION_FALLING) { local_min = prvFilteredIntensity; }
    804c47e: 83 7d e8 02 cmpl $0x2,-0x18(%ebp)
    804c482: 75 07 jne 804c48b <_ZN11Application12WidthMonitor25CApplication_WidthMonitor15DetectEdgesFastEPN6Camera10TImageInfoE+0x2ab>
    804c484: 0f b6 45 e7 movzbl -0x19(%ebp),%eax
    804c488: 88 45 e1 mov %al,-0x1f(%ebp)

    if (pendingPosEdge)
    804c48b: 80 7d e6 00 cmpb $0x0,-0x1a(%ebp)
    804c48f: 74 34 je 804c4c5 <_ZN11Application12WidthMonitor25CApplication_WidthMonitor15DetectEdgesFastEPN6Camera10TImageInfoE+0x2e5>
    {
    //add pos edge
    pendingPosEdge = false;
    804c491: c6 45 e6 00 movb $0x0,-0x1a(%ebp)
    edge_minimum = local_min;
    804c495: 0f b6 45 e1 movzbl -0x1f(%ebp),%eax
    804c499: 88 45 e3 mov %al,-0x1d(%ebp)
    AddPosEdge(i, edge_minimum, edge_maximum, delay);
    804c49c: 0f b6 55 e4 movzbl -0x1c(%ebp),%edx
    804c4a0: 0f b6 45 e3 movzbl -0x1d(%ebp),%eax
    804c4a4: 8b 4d c4 mov -0x3c(%ebp),%ecx
    804c4a7: 89 4c 24 10 mov %ecx,0x10(%esp)
    804c4ab: 89 54 24 0c mov %edx,0xc(%esp)
    804c4af: 89 44 24 08 mov %eax,0x8(%esp)
    804c4b3: 8b 45 dc mov -0x24(%ebp),%eax
    804c4b6: 89 44 24 04 mov %eax,0x4(%esp)
    804c4ba: 8b 45 08 mov 0x8(%ebp),%eax
    804c4bd: 89 04 24 mov %eax,(%esp)
    804c4c0: e8 93 01 00 00 call 804c658 <_zn11application12widthmonitor25capplication_widthmonitor10addposedgeejhhj>
    }
    }
    }

    //falling
    if (filteredIntensity-prvFilteredIntensity < 0)
    804c4c5: 0f b6 55 cf movzbl -0x31(%ebp),%edx
    804c4c9: 0f b6 45 e7 movzbl -0x19(%ebp),%eax
    804c4cd: 89 d1 mov %edx,%ecx
    804c4cf: 29 c1 sub %eax,%ecx
    804c4d1: 89 c8 mov %ecx,%eax
    804c4d3: 85 c0 test %eax,%eax
    804c4d5: 79 5b jns 804c532 <_ZN11Application12WidthMonitor25CApplication_WidthMonitor15DetectEdgesFastEPN6Camera10TImageInfoE+0x352>
    {
    state = EDGE_DETECTION_FALLING;
    804c4d7: c7 45 c8 02 00 00 00 movl $0x2,-0x38(%ebp)
    local_min = filteredIntensity;
    804c4de: 0f b6 45 cf movzbl -0x31(%ebp),%eax
    804c4e2: 88 45 e1 mov %al,-0x1f(%ebp)
    if (prvState != EDGE_DETECTION_FALLING)
    804c4e5: 83 7d e8 02 cmpl $0x2,-0x18(%ebp)
    804c4e9: 74 47 je 804c532 <_ZN11Application12WidthMonitor25CApplication_WidthMonitor15DetectEdgesFastEPN6Camera10TImageInfoE+0x352>
    {
    if (prvState == EDGE_DETECTION_RISING) { local_max = prvFilteredIntensity; }
    804c4eb: 83 7d e8 01 cmpl $0x1,-0x18(%ebp)
    804c4ef: 75 07 jne 804c4f8 <_ZN11Application12WidthMonitor25CApplication_WidthMonitor15DetectEdgesFastEPN6Camera10TImageInfoE+0x318>
    804c4f1: 0f b6 45 e7 movzbl -0x19(%ebp),%eax
    804c4f5: 88 45 e2 mov %al,-0x1e(%ebp)

    if (pendingNegEdge)
    804c4f8: 80 7d e5 00 cmpb $0x0,-0x1b(%ebp)
    804c4fc: 74 34 je 804c532 <_ZN11Application12WidthMonitor25CApplication_WidthMonitor15DetectEdgesFastEPN6Camera10TImageInfoE+0x352>
    {
    //add neg edge
    pendingNegEdge = false;
    804c4fe: c6 45 e5 00 movb $0x0,-0x1b(%ebp)
    edge_maximum = local_max;
    804c502: 0f b6 45 e2 movzbl -0x1e(%ebp),%eax
    804c506: 88 45 e4 mov %al,-0x1c(%ebp)
    AddNegEdge(i, edge_minimum, edge_maximum, delay);
    804c509: 0f b6 55 e4 movzbl -0x1c(%ebp),%edx
    804c50d: 0f b6 45 e3 movzbl -0x1d(%ebp),%eax
    804c511: 8b 4d c4 mov -0x3c(%ebp),%ecx
    804c514: 89 4c 24 10 mov %ecx,0x10(%esp)
    804c518: 89 54 24 0c mov %edx,0xc(%esp)
    804c51c: 89 44 24 08 mov %eax,0x8(%esp)
    804c520: 8b 45 dc mov -0x24(%ebp),%eax
    804c523: 89 44 24 04 mov %eax,0x4(%esp)
    804c527: 8b 45 08 mov 0x8(%ebp),%eax
    804c52a: 89 04 24 mov %eax,(%esp)
    804c52d: e8 3e 02 00 00 call 804c770 <_zn11application12widthmonitor25capplication_widthmonitor10addnegedgeejhhj>
    }
    }
    }

    //nor falling, nor rising
    if (filteredIntensity-prvFilteredIntensity == 0)
    804c532: 0f b6 45 cf movzbl -0x31(%ebp),%eax
    804c536: 3a 45 e7 cmp -0x19(%ebp),%al
    804c539: 0f 85 8e 00 00 00 jne 804c5cd <_ZN11Application12WidthMonitor25CApplication_WidthMonitor15DetectEdgesFastEPN6Camera10TImageInfoE+0x3ed>
    {
    //check for pending edges

    //negative edge:
    if (prvState != EDGE_DETECTION_FALLING) { local_max = prvFilteredIntensity; }
    804c53f: 83 7d e8 02 cmpl $0x2,-0x18(%ebp)
    804c543: 74 07 je 804c54c <_ZN11Application12WidthMonitor25CApplication_WidthMonitor15DetectEdgesFastEPN6Camera10TImageInfoE+0x36c>
    804c545: 0f b6 45 e7 movzbl -0x19(%ebp),%eax
    804c549: 88 45 e2 mov %al,-0x1e(%ebp)

    if (pendingNegEdge)
    804c54c: 80 7d e5 00 cmpb $0x0,-0x1b(%ebp)
    804c550: 74 34 je 804c586 <_ZN11Application12WidthMonitor25CApplication_WidthMonitor15DetectEdgesFastEPN6Camera10TImageInfoE+0x3a6>
    {
    //add neg edge
    pendingNegEdge = false;
    804c552: c6 45 e5 00 movb $0x0,-0x1b(%ebp)
    edge_maximum = local_max;
    804c556: 0f b6 45 e2 movzbl -0x1e(%ebp),%eax
    804c55a: 88 45 e4 mov %al,-0x1c(%ebp)
    AddNegEdge(i, edge_minimum, edge_maximum, delay);
    804c55d: 0f b6 55 e4 movzbl -0x1c(%ebp),%edx
    804c561: 0f b6 45 e3 movzbl -0x1d(%ebp),%eax
    804c565: 8b 4d c4 mov -0x3c(%ebp),%ecx
    804c568: 89 4c 24 10 mov %ecx,0x10(%esp)
    804c56c: 89 54 24 0c mov %edx,0xc(%esp)
    804c570: 89 44 24 08 mov %eax,0x8(%esp)
    804c574: 8b 45 dc mov -0x24(%ebp),%eax
    804c577: 89 44 24 04 mov %eax,0x4(%esp)
    804c57b: 8b 45 08 mov 0x8(%ebp),%eax
    804c57e: 89 04 24 mov %eax,(%esp)
    804c581: e8 ea 01 00 00 call 804c770 <_zn11application12widthmonitor25capplication_widthmonitor10addnegedgeejhhj>
    }

    //positive edge
    if (prvState != EDGE_DETECTION_RISING) { local_min = prvFilteredIntensity; }
    804c586: 83 7d e8 01 cmpl $0x1,-0x18(%ebp)
    804c58a: 74 07 je 804c593 <_ZN11Application12WidthMonitor25CApplication_WidthMonitor15DetectEdgesFastEPN6Camera10TImageInfoE+0x3b3>
    804c58c: 0f b6 45 e7 movzbl -0x19(%ebp),%eax
    804c590: 88 45 e1 mov %al,-0x1f(%ebp)

    if (pendingPosEdge)
    804c593: 80 7d e6 00 cmpb $0x0,-0x1a(%ebp)
    804c597: 74 34 je 804c5cd <_ZN11Application12WidthMonitor25CApplication_WidthMonitor15DetectEdgesFastEPN6Camera10TImageInfoE+0x3ed>
    {
    //add pos edge
    pendingPosEdge = false;
    804c599: c6 45 e6 00 movb $0x0,-0x1a(%ebp)
    edge_minimum = local_min;
    804c59d: 0f b6 45 e1 movzbl -0x1f(%ebp),%eax
    804c5a1: 88 45 e3 mov %al,-0x1d(%ebp)
    AddPosEdge(i, edge_minimum, edge_maximum, delay);
    804c5a4: 0f b6 55 e4 movzbl -0x1c(%ebp),%edx
    804c5a8: 0f b6 45 e3 movzbl -0x1d(%ebp),%eax
    804c5ac: 8b 4d c4 mov -0x3c(%ebp),%ecx
    804c5af: 89 4c 24 10 mov %ecx,0x10(%esp)
    804c5b3: 89 54 24 0c mov %edx,0xc(%esp)
    804c5b7: 89 44 24 08 mov %eax,0x8(%esp)
    804c5bb: 8b 45 dc mov -0x24(%ebp),%eax
    804c5be: 89 44 24 04 mov %eax,0x4(%esp)
    804c5c2: 8b 45 08 mov 0x8(%ebp),%eax
    804c5c5: 89 04 24 mov %eax,(%esp)
    804c5c8: e8 8b 00 00 00 call 804c658 <_zn11application12widthmonitor25capplication_widthmonitor10addposedgeejhhj>
    }
    }

    if (filteredIntensity > threshold && prvFilteredIntensity <= threshold )
    804c5cd: 0f b6 45 cf movzbl -0x31(%ebp),%eax
    804c5d1: 3a 45 c3 cmp -0x3d(%ebp),%al
    804c5d4: 76 16 jbe 804c5ec <_ZN11Application12WidthMonitor25CApplication_WidthMonitor15DetectEdgesFastEPN6Camera10TImageInfoE+0x40c>
    804c5d6: 0f b6 45 e7 movzbl -0x19(%ebp),%eax
    804c5da: 3a 45 c3 cmp -0x3d(%ebp),%al
    804c5dd: 77 0d ja 804c5ec <_ZN11Application12WidthMonitor25CApplication_WidthMonitor15DetectEdgesFastEPN6Camera10TImageInfoE+0x40c>
    {
    pendingNegEdge = true;
    804c5df: c6 45 e5 01 movb $0x1,-0x1b(%ebp)
    edge_minimum = local_min;
    804c5e3: 0f b6 45 e1 movzbl -0x1f(%ebp),%eax
    804c5e7: 88 45 e3 mov %al,-0x1d(%ebp)
    804c5ea: eb 1d jmp 804c609 <_ZN11Application12WidthMonitor25CApplication_WidthMonitor15DetectEdgesFastEPN6Camera10TImageInfoE+0x429>
    }
    else if (filteredIntensity < threshold && prvFilteredIntensity >= threshold )
    804c5ec: 0f b6 45 cf movzbl -0x31(%ebp),%eax
    804c5f0: 3a 45 c3 cmp -0x3d(%ebp),%al
    804c5f3: 73 14 jae 804c609 <_ZN11Application12WidthMonitor25CApplication_WidthMonitor15DetectEdgesFastEPN6Camera10TImageInfoE+0x429>
    804c5f5: 0f b6 45 e7 movzbl -0x19(%ebp),%eax
    804c5f9: 3a 45 c3 cmp -0x3d(%ebp),%al
    804c5fc: 72 0b jb 804c609 <_ZN11Application12WidthMonitor25CApplication_WidthMonitor15DetectEdgesFastEPN6Camera10TImageInfoE+0x429>
    {
    pendingPosEdge = true;
    804c5fe: c6 45 e6 01 movb $0x1,-0x1a(%ebp)
    edge_maximum = local_max;
    804c602: 0f b6 45 e2 movzbl -0x1e(%ebp),%eax
    804c606: 88 45 e4 mov %al,-0x1c(%ebp)
    }

    prvState = state;
    804c609: 8b 45 c8 mov -0x38(%ebp),%eax
    804c60c: 89 45 e8 mov %eax,-0x18(%ebp)
    prvFilteredIntensity = filteredIntensity;
    804c60f: 0f b6 45 cf movzbl -0x31(%ebp),%eax
    804c613: 88 45 e7 mov %al,-0x19(%ebp)
    columPtr += inc;
    804c616: 8b 45 f0 mov -0x10(%ebp),%eax
    804c619: 01 45 f4 add %eax,-0xc(%ebp)
    unsigned char edge_maximum = 0;
    unsigned char edge_minimum = 0;
    unsigned char local_max = 0;
    unsigned char local_min = 0;

    for (unsigned int i=0; iWidth; i++)
    804c61c: 83 45 dc 01 addl $0x1,-0x24(%ebp)
    804c620: 8b 45 0c mov 0xc(%ebp),%eax
    804c623: 8b 40 10 mov 0x10(%eax),%eax
    804c626: 3b 45 dc cmp -0x24(%ebp),%eax
    804c629: 0f 97 c0 seta %al
    804c62c: 84 c0 test %al,%al
    804c62e: 0f 85 e0 fc ff ff jne 804c314 <_ZN11Application12WidthMonitor25CApplication_WidthMonitor15DetectEdgesFastEPN6Camera10TImageInfoE+0x134>
    prvState = state;
    prvFilteredIntensity = filteredIntensity;
    columPtr += inc;
    }

    diagMinPixelVal = minIntensity;
    804c634: 0f b6 55 ef movzbl -0x11(%ebp),%edx
    804c638: 8b 45 08 mov 0x8(%ebp),%eax
    804c63b: 89 90 d8 07 00 00 mov %edx,0x7d8(%eax)
    diagMaxPixelVal = maxIntensity;
    804c641: 0f b6 55 ee movzbl -0x12(%ebp),%edx
    804c645: 8b 45 08 mov 0x8(%ebp),%eax
    804c648: 89 90 dc 07 00 00 mov %edx,0x7dc(%eax)
    }
    804c64e: 81 c4 84 00 00 00 add $0x84,%esp
    804c654: 5b pop %ebx
    804c655: 5d pop %ebp
    804c656: c3 ret
    804c657: 90 nop

    Do you got a solution for this GDB bug?

    August 20, 2013 at 16:43 #2524
    ket
    Participant

    Hi,

    Try updating your gdb to a newer version, if there is no built newer version available, then build one from the latest sources (version 7.6 is latest currently).

    August 21, 2013 at 06:25 #2512
    JordanW
    Participant

    Hi Ket,

    Ii already had build the newest version of GDB, I am using version 7.6.

    August 22, 2013 at 04:45 #2525
    ket
    Participant

    Hi,

    In that case try understanding what causes the problem.

    You say that you can set breakpoints and see the source of other functions in the same file, stop the execution at some breakpoint and try the info line command on all the other functions in the file DetectEdgesFast is declared. Is source for all the other functions found, is there a pattern?

    Secondly, try renaming the DetectEdgesFast function to something else.

    Last but not least, is your gdb and gcc compatible i.e. is gcc adding symbols that gdb can understand? Make sure that your gcc and gdb are meant for the same target and that their versions are roughly the same age i.e. not that the gdb is newest and gcc is ancient.

    August 26, 2013 at 10:33 #2526
    JordanW
    Participant

    Hi Ket,

    Before I want to update GCC , I updated the bin-utils (ld linker).
    This fixed my debugging issue, to find the source files while debugging.

    I was using ld version 2.20 and updated it to 2.23.

    Thanks for all your help!

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