Debugger sometimes stalls when using "Step Into".

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oBFusCATed:
Look at the log for the correct command:)

and4cb:
I think understand your request. I opened a MinGW Command Prompt window and entered commands based on the previous log. If I misunderstood, please let me know. ... and Thank You.

--- Code: ---C:\Code\test5>C:\MinGW32\bin\gdb.exe -nx -fullname -quiet -args C:/Code/test5/bin/Debug/test5.exe
Reading symbols from C:\Code\test5\bin\Debug\test5.exe...done.
(gdb) show version
GNU gdb (GDB) 7.5
Copyright (C) 2012 Free Software Foundation, Inc.
License GPLv3+: GNU GPL version 3 or later <http://gnu.org/licenses/gpl.html>
This is free software: you are free to change and redistribute it.
There is NO WARRANTY, to the extent permitted by law. Type "show copying"
and "show warranty" for details.
This GDB was configured as "i686-pc-mingw32".
For bug reporting instructions, please see:
<http://www.gnu.org/software/gdb/bugs/>.
(gdb) set confirm off
(gdb) set width 0
(gdb) set height 0
(gdb) set breakpoint pending on
(gdb) set print asm-demangle on
(gdb) set unwindonsignal on
(gdb) set print elements 0
(gdb) set new-console on
(gdb) set disassembly-flavor att
(gdb) source C:\cb20121112\share\codeblocks/scripts/stl-views-1.0.3.gdb
(gdb) directory C:/Code/test5/
Source directories searched: C:/Code/test5;$cdir;$cwd
(gdb) tbreak "C:/Code/test5/main.c:10"
Temporary breakpoint 1 at 0x40133f: file C:\Code\test5\main.c, line 10.
(gdb) run
Starting program: C:\Code\test5\bin\Debug\test5.exe
[New Thread 4140.0xcc8]

Temporary breakpoint 1, main () at C:\Code\test5\main.c:12
→→C:\Code\test5\main.c:12:233:beg:0x40133f
(gdb) bt 30
#0 main () at C:\Code\test5\main.c:12
(gdb) si
Initialize () at C:\Code\test5\main.c:18
→→C:\Code\test5\main.c:18:309:beg:0x40134b
(gdb) bt 30
#0 Initialize () at C:\Code\test5\main.c:18
#1 0x00401344 in main () at C:\Code\test5\main.c:12
(gdb) n
→→C:\Code\test5\main.c:19:312:beg:0x401351
(gdb) bt 30
#0 Initialize () at C:\Code\test5\main.c:19
#1 0x00401344 in main () at C:\Code\test5\main.c:12
(gdb) n
→→C:\Code\test5\main.c:24:508:beg:0x401366
(gdb) bt 30
#0 Initialize () at C:\Code\test5\main.c:24
#1 0x00401344 in main () at C:\Code\test5\main.c:12
(gdb) si
→→C:\Code\test5\main.c:24:508:middle:0x40136d
(gdb) bt 30
#0 0x0040136d in Initialize () at C:\Code\test5\main.c:24
#1 0x00401344 in main () at C:\Code\test5\main.c:12
(gdb) si
InitNum (num=4) at C:\Code\test5\main.c:30
(gdb) bt 30
#0 InitNum (num=4) at C:\Code\test5\main.c:30
#1 0x00401372 in Initialize () at C:\Code\test5\main.c:24
#2 0x00401344 in main () at C:\Code\test5\main.c:12
(gdb) si
0x0040138f (gdb) bt 30
#0 0x0040138f in InitNum (num=4) at C:\Code\test5\main.c:30
#1 0x00401372 in Initialize () at C:\Code\test5\main.c:24
#2 0x00401344 in main () at C:\Code\test5\main.c:12
(gdb) si
(gdb) bt 30
#0 InitNum (num=4) at C:\Code\test5\main.c:31
#1 0x00401372 in Initialize () at C:\Code\test5\main.c:24
#2 0x00401344 in main () at C:\Code\test5\main.c:12
(gdb) print
The history is empty.
(gdb) show values [10]
A syntax error in expression, near `[10]'.
(gdb) show values
(gdb) show values 10
(gdb) bt 30
#0 InitNum (num=4) at C:\Code\test5\main.c:31
#1 0x00401372 in Initialize () at C:\Code\test5\main.c:24
#2 0x00401344 in main () at C:\Code\test5\main.c:12
(gdb) n
(gdb) bt 30
#0 InitNum (num=8) at C:\Code\test5\main.c:32
#1 0x00401372 in Initialize () at C:\Code\test5\main.c:24
#2 0x00401344 in main () at C:\Code\test5\main.c:12
(gdb) n
(gdb) bt 40
#0 InitNum (num=8) at C:\Code\test5\main.c:33
#1 0x00401372 in Initialize () at C:\Code\test5\main.c:24
#2 0x00401344 in main () at C:\Code\test5\main.c:12
(gdb) b
Breakpoint 2 at 0x40136d: file C:\Code\test5\main.c, line 24.
(gdb) bt 30
#0 InitNum (num=8) at C:\Code\test5\main.c:33
#1 0x00401372 in Initialize () at C:\Code\test5\main.c:24
#2 0x00401344 in main () at C:\Code\test5\main.c:12
(gdb) n
Initialize () at C:\Code\test5\main.c:26
→→C:\Code\test5\main.c:26:592:beg:0x401377
(gdb) bt 30
#0 Initialize () at C:\Code\test5\main.c:26
#1 0x00401344 in main () at C:\Code\test5\main.c:12
(gdb) n
→→C:\Code\test5\main.c:27:595:beg:0x40138c
(gdb) bt 30
#0 Initialize () at C:\Code\test5\main.c:27
#1 0x00401344 in main () at C:\Code\test5\main.c:12
(gdb) n
main () at C:\Code\test5\main.c:14
→→C:\Code\test5\main.c:14:269:beg:0x401344
(gdb) bt 30
#0 main () at C:\Code\test5\main.c:14
(gdb) n
→→C:\Code\test5\main.c:15:281:beg:0x401349
(gdb) bt 30
#0 main () at C:\Code\test5\main.c:15
(gdb) c
Continuing.
[Inferior 1 (process 4140) exited normally]
(gdb)

--- End code ---

oBFusCATed:
Hm, it seems this a gdb problem, because it does it the same on the command line :(

Can you try without these:

--- Code: ---(gdb) set confirm off
(gdb) set width 0
(gdb) set height 0
(gdb) set breakpoint pending on
(gdb) set print asm-demangle on
(gdb) set unwindonsignal on
(gdb) set print elements 0
(gdb) set new-console on
(gdb) set disassembly-flavor att

--- End code ---

and4cb:
I guess I did something wrong, because now when I type
C:\MinGW32\bin\gdb.exe -nx -fullname -quiet -args C:/Code/test5/bin/Debug/test5.exe
at the c:\code\test5>
I get an error message:
C:\MinGW32\bin\gdb.exe is not a valid Win32 application.

I checked to see if the gdb.exe file exists, and it only has 0 bytes now, and a modified date of 11/20/2012.

Should I restart the computer, reinstall the gdb, or do you have a better suggestion?

and4cb:
I reinstalled gdb, and here is the result of leaving out the commands you suggested.

--- Code: ---c:\Code\test5>C:\MinGW32\bin\gdb.exe -nx -fullname -quiet -args C:/Code/test5/bin/Debug/test5.exe
Reading symbols from C:\Code\test5\bin\Debug\test5.exe...done.
(gdb) show version
GNU gdb (GDB) 7.5
Copyright (C) 2012 Free Software Foundation, Inc.
License GPLv3+: GNU GPL version 3 or later <http://gnu.org/licenses/gpl.html>
This is free software: you are free to change and redistribute it.
There is NO WARRANTY, to the extent permitted by law. Type "show copying"
and "show warranty" for details.
This GDB was configured as "i686-pc-mingw32".
For bug reporting instructions, please see:
<http://www.gnu.org/software/gdb/bugs/>.
(gdb) source C:\cb20121112\share\codeblocks/scripts/stl-views-1.0.3.gdb
(gdb) directory C:/Code/test5/
Source directories searched: C:/Code/test5;$cdir;$cwd
(gdb) tbreak "C:/Code/test5/main.c:10"
Temporary breakpoint 1 at 0x40133f: file C:\Code\test5\main.c, line 10.
(gdb) run
Starting program: C:\Code\test5\bin\Debug\test5.exe
[New Thread 5408.0x12c8]

Temporary breakpoint 1, main () at C:\Code\test5\main.c:12
→→C:\Code\test5\main.c:12:233:beg:0x40133f
(gdb) bt 30
#0 main () at C:\Code\test5\main.c:12
(gdb) si
Initialize () at C:\Code\test5\main.c:18
→→C:\Code\test5\main.c:18:309:beg:0x40134b
(gdb) bt 30
#0 Initialize () at C:\Code\test5\main.c:18
#1 0x00401344 in main () at C:\Code\test5\main.c:12
(gdb) n
→→C:\Code\test5\main.c:19:312:beg:0x401351
(gdb) bt 30
#0 Initialize () at C:\Code\test5\main.c:19
#1 0x00401344 in main () at C:\Code\test5\main.c:12
(gdb) n

Before call to InitNum(), INUM1 = 0→→C:\Code\test5\main.c:24:508:beg:0x401366
(gdb) bt 30
#0 Initialize () at C:\Code\test5\main.c:24
#1 0x00401344 in main () at C:\Code\test5\main.c:12
(gdb) si
→→C:\Code\test5\main.c:24:508:middle:0x40136d
(gdb) bt 30
#0 0x0040136d in Initialize () at C:\Code\test5\main.c:24
#1 0x00401344 in main () at C:\Code\test5\main.c:12
(gdb) si
InitNum (num=4) at C:\Code\test5\main.c:30
(gdb) bt 30
#0 InitNum (num=4) at C:\Code\test5\main.c:30
#1 0x00401372 in Initialize () at C:\Code\test5\main.c:24
#2 0x00401344 in main () at C:\Code\test5\main.c:12
(gdb) si
0x0040138f (gdb) bt 30
#0 0x0040138f in InitNum (num=4) at C:\Code\test5\main.c:30
#1 0x00401372 in Initialize () at C:\Code\test5\main.c:24
#2 0x00401344 in main () at C:\Code\test5\main.c:12
(gdb) si
(gdb) bt 30
#0 InitNum (num=4) at C:\Code\test5\main.c:31
#1 0x00401372 in Initialize () at C:\Code\test5\main.c:24
#2 0x00401344 in main () at C:\Code\test5\main.c:12
(gdb) n
(gdb) bt 30
#0 InitNum (num=8) at C:\Code\test5\main.c:32
#1 0x00401372 in Initialize () at C:\Code\test5\main.c:24
#2 0x00401344 in main () at C:\Code\test5\main.c:12
(gdb) n
(gdb) bt 30
#0 InitNum (num=8) at C:\Code\test5\main.c:33
#1 0x00401372 in Initialize () at C:\Code\test5\main.c:24
#2 0x00401344 in main () at C:\Code\test5\main.c:12
(gdb) n
Initialize () at C:\Code\test5\main.c:26
→→C:\Code\test5\main.c:26:592:beg:0x401377
(gdb) bt 30
#0 Initialize () at C:\Code\test5\main.c:26
#1 0x00401344 in main () at C:\Code\test5\main.c:12
(gdb) n

After call to InitNum(), INUM1 = 8→→C:\Code\test5\main.c:27:595:beg:0x40138c
(gdb) bt 30
#0 Initialize () at C:\Code\test5\main.c:27
#1 0x00401344 in main () at C:\Code\test5\main.c:12
(gdb) n
main () at C:\Code\test5\main.c:14
→→C:\Code\test5\main.c:14:269:beg:0x401344
(gdb) bt 30
#0 main () at C:\Code\test5\main.c:14
(gdb) n
→→C:\Code\test5\main.c:15:281:beg:0x401349
(gdb) bt 30
#0 main () at C:\Code\test5\main.c:15
(gdb) n
0x004010fd in __mingw_CRTStartup ()
(gdb) bt 30
#0 0x004010fd in __mingw_CRTStartup ()
#1 0x00401295 in mainCRTStartup ()
(gdb) n
Single stepping until exit from function __mingw_CRTStartup,
which has no line number information.
0x00401c00 in ExitProcess@4 ()
(gdb) bt 30
#0 0x00401c00 in ExitProcess@4 ()
#1 0x0040110c in __mingw_CRTStartup ()
#2 0x7efde000 in ?? ()
#3 0x772ad819 in ntdll!RtlWow64CallFunction64 () from C:\Windows\system32\ntdll.dll
#4 0x7efde000 in ?? ()
#5 0x772ada2b in ntdll!RtlCloneMemoryStream () from C:\Windows\system32\ntdll.dll
#6 0x00401280 in _gnu_exception_handler@4 ()
#7 0x00000000 in ?? ()
(gdb) n
Single stepping until exit from function ExitProcess@4,
which has no line number information.
0x763ea553 in MapViewOfFileEx () from C:\Windows\syswow64\kernel32.dll
(gdb) bt 30
#0 0x763ea553 in MapViewOfFileEx () from C:\Windows\syswow64\kernel32.dll
#1 0x0040110c in __mingw_CRTStartup ()
#2 0x7efde000 in ?? ()
#3 0x772ad819 in ntdll!RtlWow64CallFunction64 () from C:\Windows\system32\ntdll.dll
#4 0x7efde000 in ?? ()
#5 0x772ada2b in ntdll!RtlCloneMemoryStream () from C:\Windows\system32\ntdll.dll
#6 0x00401280 in _gnu_exception_handler@4 ()
#7 0x00000000 in ?? ()
(gdb) n
Single stepping until exit from function MapViewOfFileEx,
which has no line number information.
0x77268660 in ntdll!RtlDeactivateActivationContextUnsafeFast () from C:\Windows\system32\ntdll.dll
(gdb) bt 30
#0 0x77268660 in ntdll!RtlDeactivateActivationContextUnsafeFast () from C:\Windows\system32\ntdll.dll
#1 0x763ea568 in MapViewOfFileEx () from C:\Windows\syswow64\kernel32.dll
#2 0x00000000 in ?? ()
(gdb) n
Single stepping until exit from function ntdll!RtlDeactivateActivationContextUnsafeFast,
which has no line number information.
0x7724e570 in ntdll!RtlApplyRXactNoFlush () from C:\Windows\system32\ntdll.dll
(gdb) bt 30
#0 0x7724e570 in ntdll!RtlApplyRXactNoFlush () from C:\Windows\system32\ntdll.dll
#1 0x77268673 in ntdll!RtlDeactivateActivationContextUnsafeFast () from C:\Windows\system32\ntdll.dll
#2 0x7731001c in ?? ()
#3 0x763ea568 in MapViewOfFileEx () from C:\Windows\syswow64\kernel32.dll
#4 0x00000000 in ?? ()
(gdb) n
Single stepping until exit from function ntdll!RtlApplyRXactNoFlush,
which has no line number information.
0x77268673 in ntdll!RtlDeactivateActivationContextUnsafeFast () from C:\Windows\system32\ntdll.dll
(gdb) bt 30
#0 0x77268673 in ntdll!RtlDeactivateActivationContextUnsafeFast () from C:\Windows\system32\ntdll.dll
#1 0x00000000 in ?? ()
(gdb) n
Single stepping until exit from function ntdll!RtlDeactivateActivationContextUnsafeFast,
which has no line number information.
0x7728eb35 in ntdll!EtwEventActivityIdControl () from C:\Windows\system32\ntdll.dll
(gdb) bt 30
#0 0x7728eb35 in ntdll!EtwEventActivityIdControl () from C:\Windows\system32\ntdll.dll
#1 0x00000000 in ?? ()
(gdb) n
Single stepping until exit from function ntdll!EtwEventActivityIdControl,
which has no line number information.
0x7724e570 in ntdll!RtlApplyRXactNoFlush () from C:\Windows\system32\ntdll.dll
(gdb) bt 30
#0 0x7724e570 in ntdll!RtlApplyRXactNoFlush () from C:\Windows\system32\ntdll.dll
#1 0x7728eb40 in ntdll!EtwEventActivityIdControl () from C:\Windows\system32\ntdll.dll
#2 0x77310140 in ?? ()
#3 0x763ea568 in MapViewOfFileEx () from C:\Windows\syswow64\kernel32.dll
#4 0x00000000 in ?? ()
(gdb) n
Single stepping until exit from function ntdll!RtlApplyRXactNoFlush,
which has no line number information.
0x7728eb40 in ntdll!EtwEventActivityIdControl () from C:\Windows\system32\ntdll.dll
(gdb) bt 30
#0 0x7728eb40 in ntdll!EtwEventActivityIdControl () from C:\Windows\system32\ntdll.dll
#1 0x00000000 in ?? ()
(gdb) n
Single stepping until exit from function ntdll!EtwEventActivityIdControl,
which has no line number information.
0x7726a8d7 in ntdll!ZwCloseObjectAuditAlarm () from C:\Windows\system32\ntdll.dll
(gdb) bt 30
#0 0x7726a8d7 in ntdll!ZwCloseObjectAuditAlarm () from C:\Windows\system32\ntdll.dll
#1 0x7728eb51 in ntdll!EtwEventActivityIdControl () from C:\Windows\system32\ntdll.dll
#2 0x006b0000 in ?? ()
#3 0x763ea568 in MapViewOfFileEx () from C:\Windows\syswow64\kernel32.dll
#4 0x00000000 in ?? ()
(gdb) n
Single stepping until exit from function ntdll!ZwCloseObjectAuditAlarm,
which has no line number information.
0x7726a8d9 in ntdll!ZwDuplicateObject () from C:\Windows\system32\ntdll.dll
(gdb) bt 30
#0 0x7726a8d9 in ntdll!ZwDuplicateObject () from C:\Windows\system32\ntdll.dll
#1 0x7728eb51 in ntdll!EtwEventActivityIdControl () from C:\Windows\system32\ntdll.dll
#2 0x006b0000 in ?? ()
#3 0x763ea568 in MapViewOfFileEx () from C:\Windows\syswow64\kernel32.dll
#4 0x00000000 in ?? ()
(gdb) n
Single stepping until exit from function ntdll!ZwDuplicateObject,
which has no line number information.
0x7726a8f0 in ntdll!ZwQueryAttributesFile () from C:\Windows\system32\ntdll.dll
(gdb) bt 30
#0 0x7726a8f0 in ntdll!ZwQueryAttributesFile () from C:\Windows\system32\ntdll.dll
#1 0x77310140 in ?? ()
#2 0x7728eb51 in ntdll!EtwEventActivityIdControl () from C:\Windows\system32\ntdll.dll
#3 0x006b0000 in ?? ()
#4 0x763ea568 in MapViewOfFileEx () from C:\Windows\syswow64\kernel32.dll
#5 0x00000000 in ?? ()
(gdb) n
Single stepping until exit from function ntdll!ZwQueryAttributesFile,
which has no line number information.
0x7726a8b1 in ntdll!ZwWriteVirtualMemory () from C:\Windows\system32\ntdll.dll
(gdb) bt 30
#0 0x7726a8b1 in ntdll!ZwWriteVirtualMemory () from C:\Windows\system32\ntdll.dll
#1 0x7726a8fb in ntdll!ZwQueryAttributesFile () from C:\Windows\system32\ntdll.dll
#2 0x006b0000 in ?? ()
#3 0x7728eb51 in ntdll!EtwEventActivityIdControl () from C:\Windows\system32\ntdll.dll
#4 0x006b0000 in ?? ()
#5 0x763ea568 in MapViewOfFileEx () from C:\Windows\syswow64\kernel32.dll
#6 0x00000000 in ?? ()
(gdb) n
Single stepping until exit from function ntdll!ZwWriteVirtualMemory,
which has no line number information.
0x7726a8c4 in ntdll!ZwCloseObjectAuditAlarm () from C:\Windows\system32\ntdll.dll
(gdb) bt 30
#0 0x7726a8c4 in ntdll!ZwCloseObjectAuditAlarm () from C:\Windows\system32\ntdll.dll
#1 0x7731001c in ?? ()
#2 0x7726a8fb in ntdll!ZwQueryAttributesFile () from C:\Windows\system32\ntdll.dll
#3 0x006b0000 in ?? ()
#4 0x7728eb51 in ntdll!EtwEventActivityIdControl () from C:\Windows\system32\ntdll.dll
#5 0x006b0000 in ?? ()
#6 0x763ea568 in MapViewOfFileEx () from C:\Windows\syswow64\kernel32.dll
#7 0x00000000 in ?? ()
(gdb) n
Single stepping until exit from function ntdll!ZwCloseObjectAuditAlarm,
which has no line number information.
0x7726a8fb in ntdll!ZwQueryAttributesFile () from C:\Windows\system32\ntdll.dll
(gdb) bt 30
#0 0x7726a8fb in ntdll!ZwQueryAttributesFile () from C:\Windows\system32\ntdll.dll
#1 0x77310140 in ?? ()
#2 0x7728eb51 in ntdll!EtwEventActivityIdControl () from C:\Windows\system32\ntdll.dll
#3 0x006b0000 in ?? ()
#4 0x763ea568 in MapViewOfFileEx () from C:\Windows\syswow64\kernel32.dll
#5 0x00000000 in ?? ()
(gdb) n
Single stepping until exit from function ntdll!ZwQueryAttributesFile,
which has no line number information.
0x7726a90b in ntdll!ZwClearEvent () from C:\Windows\system32\ntdll.dll
(gdb) bt 30
#0 0x7726a90b in ntdll!ZwClearEvent () from C:\Windows\system32\ntdll.dll
#1 0x006b0130 in ?? ()
#2 0x7728eb51 in ntdll!EtwEventActivityIdControl () from C:\Windows\system32\ntdll.dll
#3 0x006b0000 in ?? ()
#4 0x763ea568 in MapViewOfFileEx () from C:\Windows\syswow64\kernel32.dll
#5 0x00000000 in ?? ()
(gdb) n
Single stepping until exit from function ntdll!ZwClearEvent,
which has no line number information.
[Inferior 1 (process 5408) exited normally]
(gdb) bt 30
No stack.
(gdb)

--- End code ---

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