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GNU Debugger (gdb) Problem

DanYal

By DanYal
in Help & Support

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DanYal Rookie

DanYal 1.1k
  •   iPhone 6s Plus 
  •   12.4

    • Posted
    • Author
    Posted

    try an other games !!! and see if u get the same errors ?

    Whenever i type GDB it show these line 

     

    usr/bin/gdb: line 55: awk: command not found
    warning: unrecognized host cpusubtype , defaulting to host==armv7.
    GNU gdb 6.3.50-20050815 (Apple version gdb-1708 + reverse.put.as patches v0.4) 

    Ignore those lines for a second. Can you debug an app?

    Naa i can't 

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    Ianouar3G
    Ianouar3G

    add repo --- [ http://cydia.radare.org ] needed thes repo install GNU DEBUGGER from source [ http://cydia.radare.org ] reboot ur idevice and enjoy

    Rook iOS God

    Rook 568.5k
  •   iPad Pro (2nd gen) 
  •   17.4
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    • Posted
    Posted

    Whenever i type GDB it show these line 

     

    usr/bin/gdb: line 55: awk: command not found

    warning: unrecognized host cpusubtype , defaulting to host==armv7.

    GNU gdb 6.3.50-20050815 (Apple version gdb-1708 + reverse.put.as patches v0.4) 

     

    Naa i can't

    gdb is from radare correct?

    Rook iOS God

    Rook 568.5k
  •   iPad Pro (2nd gen) 
  •   17.4
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    • Posted
    Posted

    Yes

    And why can't you debug? :)

     

    Something happens?

    DanYal Rookie

    DanYal 1.1k
  •   iPhone 6s Plus 
  •   12.4

    • Posted
    • Author
    Posted

    And why can't you debug? :)

     

    Something happens?

    Showing this 

     

     
    Danyals-iPhone:~ root# gdb
    /usr/bin/gdb: line 55: awk: command not found
    warning: unrecognized host cpusubtype , defaulting to host==armv7.
    GNU gdb 6.3.50-20050815 (Apple version gdb-1708 + reverse.put.as patches v0.4) (Mon Apr 16 00:53:47 UTC 2012)
    Copyright 2004 Free Software Foundation, Inc.
    GDB is free software, covered by the GNU General Public License, and you are
    welcome to change it and/or distribute copies of it under certain conditions.
    Type "show copying" to see the conditions.
    There is absolutely no warranty for GDB.  Type "show warranty" for details.
    This GDB was configured as "arm-apple-darwin".
    (gdb) att mi5
    Unable to locate process named "mi5".
    (gdb)
    Rook iOS God

    Rook 568.5k
  •   iPad Pro (2nd gen) 
  •   17.4
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    • Posted
    Posted

    Showing this 

     

     

    Danyals-iPhone:~ root# gdb

    /usr/bin/gdb: line 55: awk: command not found

    warning: unrecognized host cpusubtype , defaulting to host==armv7.

    GNU gdb 6.3.50-20050815 (Apple version gdb-1708 + reverse.put.as patches v0.4) (Mon Apr 16 00:53:47 UTC 2012)

    Copyright 2004 Free Software Foundation, Inc.

    GDB is free software, covered by the GNU General Public License, and you are

    welcome to change it and/or distribute copies of it under certain conditions.

    Type "show copying" to see the conditions.

    There is absolutely no warranty for GDB.  Type "show warranty" for details.

    This GDB was configured as "arm-apple-darwin".

    (gdb) att mi5

    Unable to locate process named "mi5".

    (gdb)

    That just means Mission Impossible 5 App is not running :unsure:

    DanYal Rookie

    DanYal 1.1k
  •   iPhone 6s Plus 
  •   12.4

    • Posted
    • Author
    Posted

    That just means Mission Impossible 5 App is not running :unsure:

    Lol my fault :D 

     

    Here is this ok ? 

     

    ........ done
    unable to read unknown load command 0x80000028
    bfd_mach_o_scan: unknown architecture 0x100000c/0x0
    bfd_mach_o_scan: unknown architecture 0x100000c/0x0
    bfd_mach_o_scan: unknown architecture 0x100000c/0x0
    bfd_mach_o_scan: unknown architecture 0x100000c/0x0
    bfd_mach_o_scan: unknown architecture 0x100000c/0x0
    bfd_mach_o_scan: unknown architecture 0x100000c/0x0
    bfd_mach_o_scan: unknown architecture 0x100000c/0x0
    bfd_mach_o_scan: unknown architecture 0x100000c/0x0
    bfd_mach_o_scan: unknown architecture 0x100000c/0x0
    bfd_mach_o_scan: unknown architecture 0x100000c/0x0
    bfd_mach_o_scan: unknown architecture 0x100000c/0x0
    bfd_mach_o_scan: unknown architecture 0x100000c/0x0
    bfd_mach_o_scan: unknown architecture 0x100000c/0x0
    bfd_mach_o_scan: unknown architecture 0x100000c/0x0
    bfd_mach_o_scan: unknown architecture 0x100000c/0x0
    `/Library/MobileSubstrate/DynamicLibraries/SmoothCursor.dylib' has changed; re-reading symbols.
    Reading symbols for shared libraries +.. done
    0x3ae280fc in __psynch_mutexwait ()
    Rook iOS God

    Rook 568.5k
  •   iPad Pro (2nd gen) 
  •   17.4
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    • Posted
    Posted

    Lol my fault :D 

     

    Here is this ok ? 

     

    ........ done

    unable to read unknown load command 0x80000028

    bfd_mach_o_scan: unknown architecture 0x100000c/0x0

    bfd_mach_o_scan: unknown architecture 0x100000c/0x0

    bfd_mach_o_scan: unknown architecture 0x100000c/0x0

    bfd_mach_o_scan: unknown architecture 0x100000c/0x0

    bfd_mach_o_scan: unknown architecture 0x100000c/0x0

    bfd_mach_o_scan: unknown architecture 0x100000c/0x0

    bfd_mach_o_scan: unknown architecture 0x100000c/0x0

    bfd_mach_o_scan: unknown architecture 0x100000c/0x0

    bfd_mach_o_scan: unknown architecture 0x100000c/0x0

    bfd_mach_o_scan: unknown architecture 0x100000c/0x0

    bfd_mach_o_scan: unknown architecture 0x100000c/0x0

    bfd_mach_o_scan: unknown architecture 0x100000c/0x0

    bfd_mach_o_scan: unknown architecture 0x100000c/0x0

    bfd_mach_o_scan: unknown architecture 0x100000c/0x0

    bfd_mach_o_scan: unknown architecture 0x100000c/0x0

    `/Library/MobileSubstrate/DynamicLibraries/SmoothCursor.dylib' has changed; re-reading symbols.

    Reading symbols for shared libraries +.. done

    0x3ae280fc in __psynch_mutexwait ()

    SmoothCursor.dylib? Veency? :p

     

    -

     

    Try setting a watchpoint or breakpoint now. :)

    DanYal Rookie

    DanYal 1.1k
  •   iPhone 6s Plus 
  •   12.4

    • Posted
    • Author
    Posted

    SmoothCursor.dylib? Veency? :p

     

    -

     

    Try setting a watchpoint or breakpoint now. :)

    Here 

     

    Reading symbols for shared libraries +... done
    0x00e9fd0c in _mh_execute_header ()
    (gdb) watch -location 0x0BEBD4E8
    Attempt to take address of value not located in memory.
    (gdb) watch *0x0BEBD4E8
    Hardware watchpoint 1: *200004840
    (gdb) c
    Continuing.
    Hardware watchpoint 1: *200004840
     
    Old value = 34
    New value = 33
    0x0059ab1c in _mh_execute_header ()
    Rook iOS God

    Rook 568.5k
  •   iPad Pro (2nd gen) 
  •   17.4
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    • Posted
    Posted

    Here 

     

    Reading symbols for shared libraries +... done

    0x00e9fd0c in _mh_execute_header ()

    (gdb) watch -location 0x0BEBD4E8

    Attempt to take address of value not located in memory.

    (gdb) watch *0x0BEBD4E8

    Hardware watchpoint 1: *200004840

    (gdb) c

    Continuing.

    Hardware watchpoint 1: *200004840

     

    Old value = 34

    New value = 33

    0x0059ab1c in _mh_execute_header ()

    Seems like it's working.

     

    0x0059ab1c is the offset you need to check in IDA.

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